more tutorial text

.gitattributes

@@ -6,3 +6,5 @@
 *.blend filter=lfs diff=lfs merge=lfs -text
 *.pzl filter=lfs diff=lfs merge=lfs -text
 *.exe filter=lfs diff=lfs merge=lfs -text
+*.glb filter=lfs diff=lfs merge=lfs -text
+*.ktx filter=lfs diff=lfs merge=lfs -text

src/.gitattributes

@@ -1 +0,0 @@
-*.glb filter=lfs diff=lfs merge=lfs -text

src/CMakeLists.txt

@@ -7,6 +7,7 @@ add_compile_options(-g -gcodeview)
 add_link_options(-fuse-ld=lld -g -Wl,--pdb=)
 endif()
 
+add_definitions(-D_CRT_SECURE_NO_WARNINGS)
 add_compile_definitions("$<$<CONFIG:DEBUG>:DEBUG>")
 
 # set the output directory for built objects.
@@ -38,10 +39,12 @@ add_custom_command(
 
 file(GLOB_RECURSE sources_game game/*.cpp game/*.h gen/Generated.cpp gen/Generated.h gen/Def.h gen/Def.cpp)
 file(GLOB source_singleheader dependency/tinygltf/stb_image.h dependency/tinygltf/stb_image_write.h dependency/tinygltf/json.hpp dependency/tinygltf/tiny_gltf.h)
-add_library(PuzGame SHARED ${sources_game} ${source_singleheader} ${imgui_sources} ${imgui_backend_sdl})
+file(GLOB sources_imgui_helper dependency/imgui-bgfx/imgui-helper.h dependency/imgui-bgfx/imgui-helper.cpp)
+add_library(PuzGame SHARED ${sources_game} ${source_singleheader} ${imgui_sources} ${imgui_backend_sdl} ${sources_imgui_helper})
 set_property(TARGET PuzGame PROPERTY CXX_STANDARD 17)
 target_include_directories(PuzGame PUBLIC dependency/imgui)
-target_include_directories(PuzGame PUBLIC dependency/tracy/public/)
+target_include_directories(PuzGame PUBLIC dependency/tracy/public)
+target_include_directories(PuzGame PUBLIC dependency/imgui-bgfx)
 
 # Profiling
 option(TRACY_ENABLE "" OFF)

src/assetcompile.ps1

@@ -0,0 +1,10 @@
+
+$texturecPath = "..\tools\texturec.exe"
+$textureAssetDir = "..\assets\textures"
+$outputBaseDir = ".\textures"
+
+Get-ChildItem -Path $textureAssetDir -File | ForEach-Object {
+  $outName = Join-Path -Path $outputBaseDir -ChildPath ($_.BaseName + ".ktx")
+  Write-Host $_.FullName $outName
+  & "$texturecPath" -f $_.FullName -o $outName -t RGBA8
+}

src/build-release.bat

@@ -1 +0,0 @@
-cmake --build cmake-build-release

src/build.bat

@@ -1 +0,0 @@
-cmake --build cmake-build

src/build_release.ps1

@@ -0,0 +1 @@
+cmake --build cmake-build-release --config Release

src/buildnotes.txt

@@ -0,0 +1 @@
+https://github.com/mstorsjo/llvm-mingw/releases

src/debug.ps1

@@ -0,0 +1,2 @@
+.\build.ps1
+& raddbg.exe --project:../tools/radsession.rad --auto_run -q

src/dependency/.ignore

@@ -1,4 +1,6 @@
 SDL/*
-# !SDL/src
-# bgfx.cmake/*
+bgfx.cmake/*
 tinygltf/*
+imgui/*
+iconfontheaders/*
+tracy/*

src/dependency/minidef/Logging.h

@@ -1,18 +0,0 @@
-#pragma once
-
-#include <cstdint>
-
-#define LOG(line, fmt, ...) Logging::Log(Logging::ELogType::Log, line, fmt, ##__VA_ARGS__)
-#define LOG_WARN(line, fmt, ...) Logging::Log(Logging::ELogType::Warn, line, fmt, ##__VA_ARGS__)
-#define LOG_ERROR(line, fmt, ...) Logging::Log(Logging::ELogType::Error, line, fmt, ##__VA_ARGS__)
-
-struct Logging
-{
-    enum class ELogType
-    {
-        Log,
-        Warn,
-        Error,
-    };
-    static void Log(ELogType logType, uint32_t line, const char* format, ...);
-};

src/dependency/minidef/src/CppGen.cpp

@@ -9,27 +9,30 @@
 #include <winnt.h>
 
 #define WIN32_LEAN_AND_MEAN
-#include "Windows.h"
+#include "Windows.h" // IWYU pragma: keep
 
 namespace WriteTemplates
 {
     constexpr char FileHeaderStart[] =
         R"END(#pragma once
-#include "Def.h"
+#include <cstdint>
 
-namespace Generated
+namespace Gen
 {
+    struct Serializer;
+    struct Deserializer;
 )END";
-    constexpr char FileCppStart[] = R"END(#include "Generated.h"
+    constexpr char FileCppStart[] = R"END(#include "Def.h"
+#include "Generated.h"
 
-namespace Generated
+namespace Gen
 {
 )END";
 
     constexpr char StructHeader2[] =
         R"END(    struct %s
     {
-        static constexpr uint32_t Hash = %u;
+        static constexpr uint16_t TypeIdx = %u;
 )END";
 
     constexpr char StructField4[] =
@@ -43,7 +46,7 @@ namespace Generated
     constexpr char EnumHeader4[] =
         R"END(    struct %s
     {
-        static constexpr uint32_t Hash = %u;
+        static constexpr uint16_t TypeIdx = %u;
         static constexpr int32_t EntryCount = %u;
         enum Enum : %s
         {
@@ -52,6 +55,9 @@ namespace Generated
     constexpr char EnumField1[] =
         R"END(            %s,
 )END";
+    constexpr char EnumFieldNumbered2[] =
+        R"END(            %s = %s,
+)END";
 
     constexpr char EnumNamesStart2[] =
         R"END(        };
@@ -68,6 +74,25 @@ namespace Generated
     };
 )END";
 
+    constexpr char EnumFlagOperators12[] =
+        R"END(    inline %s::Enum operator| (const %s::Enum& a, const %s::Enum& b)
+    {
+        return a | b;
+    }
+    inline %s::Enum operator& (const %s::Enum& a, const %s::Enum& b)
+    {
+        return a & b;
+    }
+    inline %s::Enum operator|= (%s::Enum& a, const %s::Enum& b)
+    {
+        return a |= b;
+    }
+    inline %s::Enum operator&= (%s::Enum& a, const %s::Enum& b)
+    {
+        return a &= b;
+    }
+)END";
+
     constexpr char FileEnd[] =
         R"END(}
 )END";
@@ -82,6 +107,8 @@ namespace Generated
         {
 )END";
     constexpr char SaveFuncBodyType3[] = R"END(            isOk = Save(%sobj[i].%s, %u, serializer) && isOk;
+)END";
+    constexpr char SaveFuncBodyNative[] = R"END(            isOk = serializer.Write(&obj[i], sizeof(obj[i])) && isOk;
 )END";
     constexpr char SaveFuncBodyEnum1[] = R"END(            auto val = (%s)obj[i];
             isOk = Save(&val, 1, serializer) && isOk;
@@ -96,18 +123,148 @@ namespace Generated
 )END";
     constexpr char LoadFuncBodyStart1[] = R"END(    bool Load(%s* obj, uint32_t count, Deserializer& serializer)
     {
+)END";
+    constexpr char LoadFuncBodySetupStart2[] =
+        R"END(        const char* typeName = Meta::Metadata.TypeDefinitions[%s::TypeIdx].Name;
+
+        // Quick match
+        int32_t matchedHashIdx =
+            serializer.TypeBuf.FindHash(Meta::Metadata.TypeDefinitions[%s::TypeIdx].Hash);
+        if (matchedHashIdx >= 0)
+        {
+            assert(bx::strCmp(serializer.TypeBuf.Defs[matchedHashIdx].Name, typeName) == 0);
+            bool isOk = true;
+            for (uint32_t i = 0; i < count; ++i)
+            {
+)END";
+    constexpr char LoadFuncBodyQuickLoad2[] = R"END(                isOk = Load(%sobj[i].%s, %u, serializer) && isOk;
+)END";
+    constexpr char LoadFuncBodySetupEnd[] = R"END(            }
+            // if we're not ok here, something went really wrong
+            assert(isOk);
+            return isOk;
+        }
+
+        // Failed to resolve hash, the type definition chaned since the file was saved! try to match by name.
+        *obj = {};
+        int32_t nameMatchIdx = serializer.TypeBuf.FindDefByName(typeName);
+        if (nameMatchIdx < 0)
+        {
+            // Name match failed, caller has to handle this and potentially skip some bytes
+            return false;
+        }
+
+        // Successfully matched name, but we need to follow the definition of the file now!
+        const Meta::TypeDef& matchedDef = serializer.TypeBuf.Defs[nameMatchIdx];
+
+        // Figure out new member mapping
+        uint64_t WriteDestinations[64];
+        for (int32_t i = 0; i < BX_COUNTOF(WriteDestinations); ++i)
+        {
+            WriteDestinations[i] = UINT64_MAX;
+        }
+        for (uint32_t i = 0; i < matchedDef.ChildCount; ++i)
+        {
+            const bx::StringView memberName = {&serializer.MemberNameBuf[matchedDef.MemberNameIndices[i].Offset], matchedDef.MemberNameIndices[i].Size};
+            const char* memberTypeName = serializer.TypeBuf.Defs[matchedDef.ChildIndices[i]].Name;
+)END";
+    constexpr char LoadFuncBodyMemberCheck4[] =
+        R"END(            if (bx::strCmp(memberName, "%s") == 0 && bx::strCmp(memberTypeName, "%s") == 0)
+            {
+                WriteDestinations[i] = offsetof(%s, %s);
+            }
+)END";
+    constexpr char LoadFuncBodyTypeUpgradeStart[] = R"END(        }
+
+        // Start reading in file order, skipping things that we don't know by name and type
         bool isOk = true;
         for (uint32_t i = 0; i < count; ++i)
         {
+            uint8_t* objBasePtr = reinterpret_cast<uint8_t*>(&obj[i]);
+
+            for (uint32_t j = 0; j < matchedDef.ChildCount; ++j)
+            {
+                const Meta::TypeDef& childDef = serializer.TypeBuf.Defs[matchedDef.ChildIndices[j]];
+                const bx::StringView memberName = {&serializer.MemberNameBuf[matchedDef.MemberNameIndices[j].Offset], matchedDef.MemberNameIndices[j].Size};
+                if (WriteDestinations[j] == UINT64_MAX)
+                {
+                    // Unknown member name or type changed
+                    uint16_t count = bx::max(1, matchedDef.ChildArraySizes[matchedDef.ChildIndices[j]]);
+                    serializer.Skip(childDef.Size * count);
+                    continue;
+                }
+
 )END";
-    constexpr char LoadFuncBodyType3[] = R"END(            isOk = Load(%sobj[i].%s, %u, serializer) && isOk;
+    constexpr char LoadFuncBodyTypeUpgradeMember3[] = R"END(                if (bx::strCmp(memberName, "%s") == 0)
+                {
+                    auto* fieldPtr = reinterpret_cast<%s*>(objBasePtr + WriteDestinations[j]);
+                    uint16_t wantedCount = %u;
+                    uint16_t existingCount = matchedDef.ChildArraySizes[j];
+                    isOk = Load(fieldPtr, bx::min(wantedCount, existingCount), serializer) && isOk;
+                    if (existingCount > wantedCount) serializer.Skip((existingCount - wantedCount) * childDef.Size);
+                    continue;
+                }
 )END";
-    constexpr char LoadFuncBodyEnum2[] = R"END(            %s& val = (%s&)obj[i];
-            isOk = Load(&val, 1, serializer) && isOk;
-)END";
-    constexpr char LoadFuncBodyEnd[] = R"END(        }
+    constexpr char LoadFuncBodyTypeUpgradeEnd[] = R"END(                assert(false);
+            }
+        }
+        assert(isOk);
         return isOk;
     }
+)END";
+    constexpr char LoadFuncBodyNative[] = R"END(        bool isOk = true;
+        for (int32_t i = 0; i < count; ++i)
+        {
+            isOk = serializer.Read(&obj[i], sizeof(obj[i])) && isOk;
+        }
+        return isOk;
+    }
+)END";
+    constexpr char LoadFuncBodyEnum2[] = R"END(        bool isOk = true;
+        for (int32_t i = 0; i < count; ++i)
+        {
+            %s& val = (%s&)obj[i];
+            isOk = Load(&val, 1, serializer) && isOk;
+        }
+        return isOk;
+    }
+)END";
+    constexpr char MetadataStart1[] = R"END(
+    namespace Meta {
+    constexpr uint16_t CurrentMetaVersion = 1;
+    
+    struct StrRef
+    {
+        uint16_t Offset;
+        uint16_t Size;
+    };
+    
+    struct TypeDef
+    {
+        uint32_t Size = 0;
+        uint32_t Hash = 0;
+        char Name[64]{"Dummy"};
+        uint16_t ChildCount = 0;
+        uint16_t ChildIndices[64]{0};
+        uint16_t ChildArraySizes[64]{0};
+        StrRef MemberNameIndices[64]{0};
+    };
+
+    struct MetadataTable
+    {
+        TypeDef TypeDefinitions[%u]
+        {
+)END";
+
+    // TODO: Sizeof is wrong!! we don't use padding!!
+    constexpr char MetadataTypeEntry7[] = R"END(            TypeDef{sizeof(%s), %u, "%s", %u, {%s}, {%s}, {%s}},
+)END";
+    constexpr char MetadataEnd1[] = R"END(        };
+        char MemberNameBuffer[64*64*64]{"%s"};
+    };
+
+    constexpr MetadataTable Metadata;
+    }
 )END";
 } // namespace WriteTemplates
 
@@ -161,30 +318,34 @@ void CppFileWriter::WriteInternal(WriteBuffer& buf, const char* templateStr, va_
     buf.WrittenBytes += bx::vsnprintf(&buf.Data[buf.WrittenBytes], BufferRequestSize, templateStr, args);
 }
 
-void CppFileWriter::PrintTypeName(char* buf,
-                                  int32_t bufSize,
-                                  const Def::FieldType& type,
-                                  const Def::DefinitionFile& definitions)
+void CppFileWriter::PrintTypeName(
+    char* buf, int32_t bufSize, Def::TypeRef type, const Def::DefinitionFile& definitions, PrintFlags flags)
 {
-    if (type.FieldKind == Def::EFieldType::Native)
+    if (buf == nullptr || bufSize == 0 || !IsValid(type))
     {
-        if (int32_t(type.Native) < Generated::KnownType::EntryCount)
+        LOG_ERROR(0, "Invalid PrintTypeName call!");
+        return;
+    }
+    if (type.FieldKind == Def::EFieldType::DefinedClass)
+    {
+        auto& t = definitions.Types[type.TypeIdx];
+        if (((uint32_t)t.TypeFlags & (uint32_t)Def::ETypeFlags::IsNative) &&
+            ((uint32_t)flags & (uint32_t)PrintFlags::PrintNativeTypeName))
         {
-            bx::strCopy(buf, bufSize, Generated::KnownType::CName[size_t(type.Native)]);
+            bx::strCopy(buf, bufSize, t.NativeCName);
         }
         else
         {
-            LOG_ERROR(0, "Unknown native type index: %u", type.Native);
+            bx::strCopy(buf, bufSize, t.Name);
         }
     }
-    else if (type.FieldKind == Def::EFieldType::DefinedClass)
-    {
-        bx::strCopy(buf, bufSize, definitions.Types[type.TypeIdx].Name);
-    }
     else if (type.FieldKind == Def::EFieldType::DefinedEnum)
     {
         bx::strCopy(buf, bufSize, definitions.Enums[type.TypeIdx].Name);
-        bx::strCat(buf, bufSize, "::Enum");
+        if ((int32_t)flags & (int32_t)PrintFlags::PrintFullEnumName)
+        {
+            bx::strCat(buf, bufSize, "::Enum");
+        }
     }
 }
 
@@ -193,15 +354,32 @@ void CppFileWriter::WriteEnums(const Def::DefinitionFile& definitions)
     for (int32_t enumIdx = 0; enumIdx < definitions.EnumCount; ++enumIdx)
     {
         const Def::Enum& e = definitions.Enums[enumIdx];
+        bool isFlagsEnum = (uint32_t)e.EnumFlags & (uint32_t)Def::EEnumFlags::FlagsEnum;
 
-        Write(WriteTemplates::EnumHeader4,
-              e.Name,
-              e.Hash,
-              e.EntryCount,
-              Generated::KnownType::CName[(int32_t)e.EnumType.Native]);
+        if (!IsValid(e.EnumType))
+        {
+            LOG_ERROR(0, "Invalid enum type (enum %i)", enumIdx);
+            continue;
+        }
+
+        char enumTypeNameBuf[Def::MaxNameLength]{0};
+        PrintTypeName(enumTypeNameBuf, sizeof(enumTypeNameBuf), e.EnumType, definitions);
+        Write(WriteTemplates::EnumHeader4, e.Name, definitions.TypeCount + enumIdx, e.EntryCount, enumTypeNameBuf);
         for (int32_t entryIdx = 0; entryIdx < e.EntryCount; ++entryIdx)
         {
-            Write(WriteTemplates::EnumField1, e.EntryNames[entryIdx]);
+            if (isFlagsEnum)
+            {
+                char numBuf[64] = "0";
+                if (entryIdx > 0)
+                {
+                    bx::snprintf(numBuf, sizeof(numBuf), "1 << %u", entryIdx - 1);
+                }
+                Write(WriteTemplates::EnumFieldNumbered2, e.EntryNames[entryIdx], numBuf);
+            }
+            else
+            {
+                Write(WriteTemplates::EnumField1, e.EntryNames[entryIdx]);
+            }
         }
 
         Write(WriteTemplates::EnumNamesStart2, "EntryNames", Def::MaxNameLength);
@@ -220,6 +398,23 @@ void CppFileWriter::WriteEnums(const Def::DefinitionFile& definitions)
         }
 
         Write(WriteTemplates::EnumNamesEnd);
+
+        if (isFlagsEnum)
+        {
+            Write(WriteTemplates::EnumFlagOperators12,
+                  e.Name,
+                  e.Name,
+                  e.Name,
+                  e.Name,
+                  e.Name,
+                  e.Name,
+                  e.Name,
+                  e.Name,
+                  e.Name,
+                  e.Name,
+                  e.Name,
+                  e.Name);
+        }
     }
 }
 void CppFileWriter::WriteTypes(const Def::DefinitionFile& definitions)
@@ -227,15 +422,16 @@ void CppFileWriter::WriteTypes(const Def::DefinitionFile& definitions)
     for (int32_t typeIdx = 0; typeIdx < definitions.TypeCount; ++typeIdx)
     {
         const Def::Type& t = definitions.Types[typeIdx];
+        if ((uint32_t)t.TypeFlags & (uint32_t)Def::ETypeFlags::IsNative) continue;
 
-        Write(WriteTemplates::StructHeader2, t.Name, t.Hash);
+        Write(WriteTemplates::StructHeader2, t.Name, typeIdx);
         for (int32_t fieldIdx = 0; fieldIdx < t.FieldCount; ++fieldIdx)
         {
             char Type[64]{0};
             PrintTypeName(Type, sizeof(Type), t.FieldTypes[fieldIdx], definitions);
             char Array[32]{0};
             uint32_t ArraySize = t.FieldArraySizes[fieldIdx];
-            if (ArraySize > 0)
+            if (ArraySize > 0 && ArraySize != UINT32_MAX)
             {
                 bx::snprintf(Array, sizeof(Array), "[%u]", ArraySize);
             }
@@ -251,6 +447,11 @@ void CppFileWriter::WriteSaveLoadMethods(const Def::DefinitionFile& definitions)
     for (int32_t enumIdx = 0; enumIdx < definitions.EnumCount; ++enumIdx)
     {
         const Def::Enum& e = definitions.Enums[enumIdx];
+        if (!IsValid(e.EnumType))
+        {
+            LOG_ERROR(0, "Invalid enum!");
+            continue;
+        }
         bx::snprintf(nameBuf, sizeof(nameBuf), "%s::Enum", e.Name);
         PrintTypeName(fieldBuf, sizeof(fieldBuf), e.EnumType, definitions);
 
@@ -263,35 +464,143 @@ void CppFileWriter::WriteSaveLoadMethods(const Def::DefinitionFile& definitions)
 
         WriteCpp(WriteTemplates::LoadFuncBodyStart1, nameBuf);
         WriteCpp(WriteTemplates::LoadFuncBodyEnum2, fieldBuf, fieldBuf);
-        WriteCpp(WriteTemplates::LoadFuncBodyEnd);
     }
-    for (int32_t typeIdx = 0; typeIdx < definitions.TypeCount; ++typeIdx)
+    for (uint16_t typeIdx = 0; typeIdx < definitions.TypeCount; ++typeIdx)
     {
         const Def::Type& t = definitions.Types[typeIdx];
-        Write(WriteTemplates::SaveFuncHeader1, t.Name);
-        Write(WriteTemplates::LoadFuncHeader1, t.Name);
+        char typeName[Def::MaxNameLength]{0};
+        PrintTypeName(typeName, sizeof(typeName), {typeIdx, Def::EFieldType::DefinedClass}, definitions);
 
-        WriteCpp(WriteTemplates::SaveFuncBodyStart1, t.Name);
-        for (int32_t fieldIdx = 0; fieldIdx < t.FieldCount; ++fieldIdx)
+        Write(WriteTemplates::SaveFuncHeader1, typeName);
+        Write(WriteTemplates::LoadFuncHeader1, typeName);
+
+        WriteCpp(WriteTemplates::SaveFuncBodyStart1, typeName);
+        if ((int32_t)t.TypeFlags & (int32_t)Def::ETypeFlags::IsNative)
         {
-            WriteCpp(WriteTemplates::SaveFuncBodyType3,
-                     t.FieldArraySizes[fieldIdx] > 0 ? "" : "&",
-                     t.FieldNames[fieldIdx],
-                     bx::max(1, t.FieldArraySizes[fieldIdx]));
+            WriteCpp(WriteTemplates::SaveFuncBodyNative);
+        }
+        else
+        {
+            for (int32_t fieldIdx = 0; fieldIdx < t.FieldCount; ++fieldIdx)
+            {
+                WriteCpp(WriteTemplates::SaveFuncBodyType3,
+                         t.FieldArraySizes[fieldIdx] > 0 ? "" : "&",
+                         t.FieldNames[fieldIdx],
+                         bx::max(1, t.FieldArraySizes[fieldIdx]));
+            }
         }
         WriteCpp(WriteTemplates::SaveFuncBodyEnd);
 
-        WriteCpp(WriteTemplates::LoadFuncBodyStart1, t.Name);
-        for (int32_t fieldIdx = 0; fieldIdx < t.FieldCount; ++fieldIdx)
+        WriteCpp(WriteTemplates::LoadFuncBodyStart1, typeName);
+        if ((int32_t)t.TypeFlags & (int32_t)Def::ETypeFlags::IsNative)
         {
-            WriteCpp(WriteTemplates::LoadFuncBodyType3,
-                     t.FieldArraySizes[fieldIdx] > 0 ? "" : "&",
-                     t.FieldNames[fieldIdx],
-                     bx::max(1, t.FieldArraySizes[fieldIdx]));
+            WriteCpp(WriteTemplates::LoadFuncBodyNative);
+        }
+        else
+        {
+            WriteCpp(WriteTemplates::LoadFuncBodySetupStart2, typeName, typeName);
+            for (int32_t fieldIdx = 0; fieldIdx < t.FieldCount; ++fieldIdx)
+            {
+                WriteCpp(WriteTemplates::LoadFuncBodyQuickLoad2,
+                         t.FieldArraySizes[fieldIdx] > 0 ? "" : "&",
+                         t.FieldNames[fieldIdx],
+                         bx::max(1, t.FieldArraySizes[fieldIdx]));
+            }
+            WriteCpp(WriteTemplates::LoadFuncBodySetupEnd);
+            char fieldTypeName[Def::MaxNameLength]{0};
+            for (int32_t fieldIdx = 0; fieldIdx < t.FieldCount; ++fieldIdx)
+            {
+                const char* fieldName = t.FieldNames[fieldIdx];
+                // This prints native type name, seems wrong??
+                // Havent i already fixed this???
+                PrintTypeName(
+                    fieldTypeName, sizeof(fieldTypeName), t.FieldTypes[fieldIdx], definitions, PrintFlags::None);
+                WriteCpp(WriteTemplates::LoadFuncBodyMemberCheck4, fieldName, fieldTypeName, typeName, fieldName);
+            }
+            WriteCpp(WriteTemplates::LoadFuncBodyTypeUpgradeStart);
+            for (uint32_t fieldIdx = 0; fieldIdx < t.FieldCount; ++fieldIdx)
+            {
+                const char* fieldName = t.FieldNames[fieldIdx];
+                PrintTypeName(fieldTypeName, sizeof(fieldTypeName), t.FieldTypes[fieldIdx], definitions);
+                WriteCpp(WriteTemplates::LoadFuncBodyTypeUpgradeMember3,
+                         fieldName,
+                         fieldTypeName,
+                         bx::max(1, t.FieldArraySizes[fieldIdx]));
+            }
+            WriteCpp(WriteTemplates::LoadFuncBodyTypeUpgradeEnd);
         }
-        WriteCpp(WriteTemplates::LoadFuncBodyEnd);
     }
 }
+
+namespace
+{
+    char MemberNameBuffer[64 * 64 * 64]{0};
+}
+void CppFileWriter::WriteMetadata(const Def::DefinitionFile& definitions)
+{
+    uint32_t memberNameBufferIdx = 0;
+    Write(WriteTemplates::MetadataStart1, definitions.TypeCount + definitions.EnumCount);
+    for (uint16_t i = 0; i < definitions.TypeCount; ++i)
+    {
+        auto& type = definitions.Types[i];
+
+        char fieldStr[256]{0};
+        for (int32_t j = 0; j < type.FieldCount; ++j)
+        {
+            if (j != 0) bx::strCat(fieldStr, sizeof(fieldStr), ", ");
+            char numBuf[8]{0};
+            int32_t idx = type.FieldTypes[j].TypeIdx;
+            if (type.FieldTypes[j].FieldKind == Def::EFieldType::DefinedEnum) idx += definitions.TypeCount;
+            bx::snprintf(numBuf, sizeof(numBuf), "%u", idx);
+            bx::strCat(fieldStr, sizeof(fieldStr), numBuf);
+        }
+
+        char typeStr[Def::MaxNameLength]{0};
+        PrintTypeName(typeStr, sizeof(typeStr), {i, Def::EFieldType::DefinedClass}, definitions);
+
+        char memberIdxStr[256]{0};
+        for (int32_t j = 0; j < type.FieldCount; ++j)
+        {
+            if (j != 0) bx::strCat(memberIdxStr, sizeof(memberIdxStr), ", ");
+            char numBuf[16]{0};
+            bx::snprintf(numBuf, sizeof(numBuf), "{%u, %u}", memberNameBufferIdx, bx::strLen(type.FieldNames[j]));
+            bx::strCat(memberIdxStr, sizeof(memberIdxStr), numBuf);
+
+            memberNameBufferIdx += bx::strCopy(&MemberNameBuffer[memberNameBufferIdx],
+                                               sizeof(MemberNameBuffer) - memberNameBufferIdx,
+                                               type.FieldNames[j]);
+        }
+
+        char arrStr[256]{0};
+        for (int32_t j = 0; j < type.FieldCount; ++j)
+        {
+            if (j != 0) bx::strCat(arrStr, sizeof(arrStr), ", ");
+            char numBuf[16]{0};
+            bx::snprintf(numBuf, sizeof(numBuf), "%u", type.FieldArraySizes[j]);
+            bx::strCat(arrStr, sizeof(arrStr), numBuf);
+        }
+
+        Write(WriteTemplates::MetadataTypeEntry7,
+              typeStr,
+              type.Hash,
+              type.Name,
+              type.FieldCount,
+              fieldStr,
+              arrStr,
+              memberIdxStr);
+    }
+    for (uint16_t i = 0; i < definitions.EnumCount; ++i)
+    {
+        auto& enumType = definitions.Enums[i];
+
+        char typeStr[Def::MaxNameLength]{0};
+        PrintTypeName(typeStr, sizeof(typeStr), {i, Def::EFieldType::DefinedEnum}, definitions);
+
+        Write(WriteTemplates::MetadataTypeEntry7, typeStr, enumType.Hash, enumType.Name, 0, "", "", "");
+    }
+    Write(WriteTemplates::MetadataEnd1, MemberNameBuffer);
+}
+
 void CppFileWriter::GenerateCpp(const bx::FilePath& outDir, const Def::DefinitionFile& definitions)
 {
     LOG(0, "Generating output files...");
@@ -304,6 +613,7 @@ void CppFileWriter::GenerateCpp(const bx::FilePath& outDir, const Def::Definitio
     WriteEnums(definitions);
     WriteTypes(definitions);
     WriteSaveLoadMethods(definitions);
+    WriteMetadata(definitions);
     Write(WriteTemplates::FileEnd);
     WriteCpp(WriteTemplates::FileEnd);
 

src/dependency/minidef/src/CppGen.h

@@ -10,6 +10,13 @@ struct WriteBuffer
     uint64_t WrittenBytes = 0;
 };
 
+enum class PrintFlags : uint32_t
+{
+    None = 0,
+    PrintFullEnumName = 1 << 0,
+    PrintNativeTypeName = 1 << 1,
+};
+
 struct CppFileWriter
 {
   private:
@@ -21,10 +28,16 @@ struct CppFileWriter
     void WriteInternal(WriteBuffer& buf, const char* templateStr, va_list args);
 
   public:
-    void PrintTypeName(char* buf, int32_t bufSize, const Def::FieldType& type, const Def::DefinitionFile& definitions);
+    void PrintTypeName(char* buf,
+                       int32_t bufSize,
+                       Def::TypeRef type,
+                       const Def::DefinitionFile& definitions,
+                       PrintFlags flags = (PrintFlags)((uint32_t)PrintFlags::PrintFullEnumName |
+                                                       (uint32_t)PrintFlags::PrintNativeTypeName));
     void WriteEnums(const Def::DefinitionFile& definitions);
     void WriteTypes(const Def::DefinitionFile& definitions);
     void WriteSaveLoadMethods(const Def::DefinitionFile& definitions);
+    void WriteMetadata(const Def::DefinitionFile& definitions);
 
     void GenerateCpp(const bx::FilePath& outDir, const Def::DefinitionFile& definitions);
     void Write(const char* templateStr, ...);

src/dependency/minidef/src/Gen/Def.h

@@ -1,2 +0,0 @@
-#pragma once
-#include <cstdint>

src/dependency/minidef/src/Gen/Generated.cpp

@@ -0,0 +1,260 @@
+#include "Def.h"
+#include "Generated.h"
+
+namespace Gen
+{
+    bool Save(const KnownType::Enum* obj, uint32_t count, Serializer& serializer)
+    {
+        bool isOk = true;
+        for (uint32_t i = 0; i < count; ++i)
+        {
+            auto val = (uint8_t)obj[i];
+            isOk = Save(&val, 1, serializer) && isOk;
+        }
+        return isOk;
+    }
+    bool Load(KnownType::Enum* obj, uint32_t count, Deserializer& serializer)
+    {
+        bool isOk = true;
+        for (uint32_t i = 0; i < count; ++i)
+        {
+            uint8_t& val = (uint8_t&)obj[i];
+            isOk = Load(&val, 1, serializer) && isOk;
+        }
+        return isOk;
+    }
+    bool Save(const int8_t* obj, uint32_t count, Serializer& serializer)
+    {
+        bool isOk = true;
+        for (uint32_t i = 0; i < count; ++i)
+        {
+        }
+        return isOk;
+    }
+    bool Load(int8_t* obj, uint32_t count, Deserializer& serializer)
+    {
+        bool isOk = true;
+        for (uint32_t i = 0; i < count; ++i)
+        {
+        }
+        return isOk;
+    }
+    bool Save(const int16_t* obj, uint32_t count, Serializer& serializer)
+    {
+        bool isOk = true;
+        for (uint32_t i = 0; i < count; ++i)
+        {
+        }
+        return isOk;
+    }
+    bool Load(int16_t* obj, uint32_t count, Deserializer& serializer)
+    {
+        bool isOk = true;
+        for (uint32_t i = 0; i < count; ++i)
+        {
+        }
+        return isOk;
+    }
+    bool Save(const int32_t* obj, uint32_t count, Serializer& serializer)
+    {
+        bool isOk = true;
+        for (uint32_t i = 0; i < count; ++i)
+        {
+        }
+        return isOk;
+    }
+    bool Load(int32_t* obj, uint32_t count, Deserializer& serializer)
+    {
+        bool isOk = true;
+        for (uint32_t i = 0; i < count; ++i)
+        {
+        }
+        return isOk;
+    }
+    bool Save(const int64_t* obj, uint32_t count, Serializer& serializer)
+    {
+        bool isOk = true;
+        for (uint32_t i = 0; i < count; ++i)
+        {
+        }
+        return isOk;
+    }
+    bool Load(int64_t* obj, uint32_t count, Deserializer& serializer)
+    {
+        bool isOk = true;
+        for (uint32_t i = 0; i < count; ++i)
+        {
+        }
+        return isOk;
+    }
+    bool Save(const uint8_t* obj, uint32_t count, Serializer& serializer)
+    {
+        bool isOk = true;
+        for (uint32_t i = 0; i < count; ++i)
+        {
+        }
+        return isOk;
+    }
+    bool Load(uint8_t* obj, uint32_t count, Deserializer& serializer)
+    {
+        bool isOk = true;
+        for (uint32_t i = 0; i < count; ++i)
+        {
+        }
+        return isOk;
+    }
+    bool Save(const uint16_t* obj, uint32_t count, Serializer& serializer)
+    {
+        bool isOk = true;
+        for (uint32_t i = 0; i < count; ++i)
+        {
+        }
+        return isOk;
+    }
+    bool Load(uint16_t* obj, uint32_t count, Deserializer& serializer)
+    {
+        bool isOk = true;
+        for (uint32_t i = 0; i < count; ++i)
+        {
+        }
+        return isOk;
+    }
+    bool Save(const uint32_t* obj, uint32_t count, Serializer& serializer)
+    {
+        bool isOk = true;
+        for (uint32_t i = 0; i < count; ++i)
+        {
+        }
+        return isOk;
+    }
+    bool Load(uint32_t* obj, uint32_t count, Deserializer& serializer)
+    {
+        bool isOk = true;
+        for (uint32_t i = 0; i < count; ++i)
+        {
+        }
+        return isOk;
+    }
+    bool Save(const uint64_t* obj, uint32_t count, Serializer& serializer)
+    {
+        bool isOk = true;
+        for (uint32_t i = 0; i < count; ++i)
+        {
+        }
+        return isOk;
+    }
+    bool Load(uint64_t* obj, uint32_t count, Deserializer& serializer)
+    {
+        bool isOk = true;
+        for (uint32_t i = 0; i < count; ++i)
+        {
+        }
+        return isOk;
+    }
+    bool Save(const bool* obj, uint32_t count, Serializer& serializer)
+    {
+        bool isOk = true;
+        for (uint32_t i = 0; i < count; ++i)
+        {
+        }
+        return isOk;
+    }
+    bool Load(bool* obj, uint32_t count, Deserializer& serializer)
+    {
+        bool isOk = true;
+        for (uint32_t i = 0; i < count; ++i)
+        {
+        }
+        return isOk;
+    }
+    bool Save(const float* obj, uint32_t count, Serializer& serializer)
+    {
+        bool isOk = true;
+        for (uint32_t i = 0; i < count; ++i)
+        {
+        }
+        return isOk;
+    }
+    bool Load(float* obj, uint32_t count, Deserializer& serializer)
+    {
+        bool isOk = true;
+        for (uint32_t i = 0; i < count; ++i)
+        {
+        }
+        return isOk;
+    }
+    bool Save(const double* obj, uint32_t count, Serializer& serializer)
+    {
+        bool isOk = true;
+        for (uint32_t i = 0; i < count; ++i)
+        {
+        }
+        return isOk;
+    }
+    bool Load(double* obj, uint32_t count, Deserializer& serializer)
+    {
+        bool isOk = true;
+        for (uint32_t i = 0; i < count; ++i)
+        {
+        }
+        return isOk;
+    }
+    bool Save(const char* obj, uint32_t count, Serializer& serializer)
+    {
+        bool isOk = true;
+        for (uint32_t i = 0; i < count; ++i)
+        {
+        }
+        return isOk;
+    }
+    bool Load(char* obj, uint32_t count, Deserializer& serializer)
+    {
+        bool isOk = true;
+        for (uint32_t i = 0; i < count; ++i)
+        {
+        }
+        return isOk;
+    }
+    bool Save(const Test* obj, uint32_t count, Serializer& serializer)
+    {
+        bool isOk = true;
+        for (uint32_t i = 0; i < count; ++i)
+        {
+            isOk = serializer.Write(&obj[i], sizeof(obj[i])) && isOk;
+        }
+        return isOk;
+    }
+    bool Load(Test* obj, uint32_t count, Deserializer& serializer)
+    {
+        bool isOk = true;
+        for (uint32_t i = 0; i < count; ++i)
+        {
+            isOk = serializer.Read(&obj[i], sizeof(obj[i])) && isOk;
+        }
+        return isOk;
+    }
+    bool Save(const Texture* obj, uint32_t count, Serializer& serializer)
+    {
+        bool isOk = true;
+        for (uint32_t i = 0; i < count; ++i)
+        {
+            isOk = serializer.Write(&obj[i], sizeof(obj[i])) && isOk;
+            isOk = serializer.Write(&obj[i], sizeof(obj[i])) && isOk;
+            isOk = serializer.Write(&obj[i], sizeof(obj[i])) && isOk;
+            isOk = Save(&obj[i].T, 1, serializer) && isOk;
+        }
+        return isOk;
+    }
+    bool Load(Texture* obj, uint32_t count, Deserializer& serializer)
+    {
+        bool isOk = true;
+        for (uint32_t i = 0; i < count; ++i)
+        {
+            isOk = serializer.Read(&obj[i], sizeof(obj[i])) && isOk;
+            isOk = serializer.Read(&obj[i], sizeof(obj[i])) && isOk;
+            isOk = serializer.Read(&obj[i], sizeof(obj[i])) && isOk;
+            isOk = Load(&obj[i].T, 1, serializer) && isOk;
+        }
+        return isOk;
+    }
+}

src/dependency/minidef/src/Gen/Generated.h

@@ -1,12 +1,15 @@
 #pragma once
-#include "Def.h"
+#include <cstdint>
 
-namespace Generated
+namespace Gen
 {
+    struct Serializer;
+    struct Deserializer;
     struct KnownType
     {
+        static constexpr uint16_t EnumIdx = 0;
         static constexpr int32_t EntryCount = 12;
-        enum class Enum : int32_t
+        enum Enum : uint8_t
         {
             i8,
             i16,
@@ -54,13 +57,89 @@ namespace Generated
     };
     struct Test
     {
+        static constexpr uint16_t TypeIdx = 12;
         uint32_t Number = {};
     };
     struct Texture
     {
+        static constexpr uint16_t TypeIdx = 13;
         uint32_t Width = {};
         uint32_t Height = {};
         char StrTest[3] = {};
         Test T = {};
     };
+    bool Save(const KnownType::Enum* obj, uint32_t count, Serializer& serializer);
+    bool Load(KnownType::Enum* obj, uint32_t count, Deserializer& serializer);
+    bool Save(const int8_t* obj, uint32_t count, Serializer& serializer);
+    bool Load(int8_t* obj, uint32_t count, Deserializer& serializer);
+    bool Save(const int16_t* obj, uint32_t count, Serializer& serializer);
+    bool Load(int16_t* obj, uint32_t count, Deserializer& serializer);
+    bool Save(const int32_t* obj, uint32_t count, Serializer& serializer);
+    bool Load(int32_t* obj, uint32_t count, Deserializer& serializer);
+    bool Save(const int64_t* obj, uint32_t count, Serializer& serializer);
+    bool Load(int64_t* obj, uint32_t count, Deserializer& serializer);
+    bool Save(const uint8_t* obj, uint32_t count, Serializer& serializer);
+    bool Load(uint8_t* obj, uint32_t count, Deserializer& serializer);
+    bool Save(const uint16_t* obj, uint32_t count, Serializer& serializer);
+    bool Load(uint16_t* obj, uint32_t count, Deserializer& serializer);
+    bool Save(const uint32_t* obj, uint32_t count, Serializer& serializer);
+    bool Load(uint32_t* obj, uint32_t count, Deserializer& serializer);
+    bool Save(const uint64_t* obj, uint32_t count, Serializer& serializer);
+    bool Load(uint64_t* obj, uint32_t count, Deserializer& serializer);
+    bool Save(const bool* obj, uint32_t count, Serializer& serializer);
+    bool Load(bool* obj, uint32_t count, Deserializer& serializer);
+    bool Save(const float* obj, uint32_t count, Serializer& serializer);
+    bool Load(float* obj, uint32_t count, Deserializer& serializer);
+    bool Save(const double* obj, uint32_t count, Serializer& serializer);
+    bool Load(double* obj, uint32_t count, Deserializer& serializer);
+    bool Save(const char* obj, uint32_t count, Serializer& serializer);
+    bool Load(char* obj, uint32_t count, Deserializer& serializer);
+    bool Save(const Test* obj, uint32_t count, Serializer& serializer);
+    bool Load(Test* obj, uint32_t count, Deserializer& serializer);
+    bool Save(const Texture* obj, uint32_t count, Serializer& serializer);
+    bool Load(Texture* obj, uint32_t count, Deserializer& serializer);
+
+    namespace Meta {
+    struct TypeDef
+    {
+        uint32_t Size = 0;
+        uint32_t Hash = 0;
+        char Name[64]{"Dummy"};
+        uint16_t ChildCount = 0;
+        uint16_t ChildIndices[64]{0};
+    };
+
+    struct EnumDef
+    {
+        uint32_t Size = 0;
+        uint32_t Hash = 0;
+    };
+
+    struct MetadataTable
+    {
+        TypeDef TypeDefinitions[14]
+        {
+            TypeDef{sizeof(int8_t), 0, "i8", 0, {}},
+            TypeDef{sizeof(int16_t), 1, "i16", 0, {}},
+            TypeDef{sizeof(int32_t), 2, "i32", 0, {}},
+            TypeDef{sizeof(int64_t), 3, "i64", 0, {}},
+            TypeDef{sizeof(uint8_t), 4, "u8", 0, {}},
+            TypeDef{sizeof(uint16_t), 5, "u16", 0, {}},
+            TypeDef{sizeof(uint32_t), 6, "u32", 0, {}},
+            TypeDef{sizeof(uint64_t), 7, "u64", 0, {}},
+            TypeDef{sizeof(bool), 8, "b", 0, {}},
+            TypeDef{sizeof(float), 9, "f32", 0, {}},
+            TypeDef{sizeof(double), 10, "f64", 0, {}},
+            TypeDef{sizeof(char), 11, "str", 0, {}},
+            TypeDef{sizeof(Test), 273256278, "Test", 1, {6}},
+            TypeDef{sizeof(Texture), 992460010, "Texture", 4, {6, 6, 11, 12}},
+        };
+        EnumDef EnumDefinitions[1]
+        {
+            EnumDef{sizeof(KnownType::Enum), 2983807453},
+        };
+    };
+
+    constexpr MetadataTable Metadata;
+    }
 }

src/dependency/minidef/src/MiniDef.cpp

@@ -2,8 +2,8 @@
 #include "Gen/Generated.h"
 #include "Logging.h"
 #include "MiniDef.h"
-
 #include "TypeDef.h"
+
 #include "bx/hash.h"
 #include "bx/string.h"
 #include <bx/filepath.h>
@@ -114,6 +114,8 @@ Parser::Result Parser::Parse()
 {
     ReadPtr = &Buffer[0];
     Parser::Result Res = Parser::OK;
+    CHECK(LoadNativeTypes());
+
     while (Res == Parser::OK)
     {
         Res = SkipWhitespace();
@@ -136,6 +138,7 @@ Parser::Result Parser::Parse()
 Parser::Result Parser::HandleFileStart()
 {
     Result Res = OK;
+
     if (CmpAdvance("type", Res, true) && Res == OK)
     {
         return HandleType();
@@ -152,6 +155,20 @@ Parser::Result Parser::HandleFileStart()
     return Error;
 }
 
+Parser::Result Parser::LoadNativeTypes()
+{
+    for (int32_t i = 0; i < Gen::KnownType::EntryCount; ++i)
+    {
+        auto& t = Definitions.Types[i];
+        t.Hash = i; // TODO!
+        bx::strCopy(t.Name, sizeof(t.Name), Gen::KnownType::EntryNames[i]);
+        bx::strCopy(t.NativeCName, sizeof(t.NativeCName), Gen::KnownType::CName[i]);
+        t.TypeFlags = Def::ETypeFlags::IsNative;
+        ++Definitions.TypeCount;
+    }
+    return OK;
+}
+
 Parser::Result Parser::HandleType()
 {
     Result Res = OK;
@@ -200,6 +217,13 @@ Parser::Result Parser::HandleType()
                 CHECK(ReadUint(t.FieldArraySizes[t.FieldCount]));
                 CHECK(ExpectChar(")"));
             }
+            else if (CmpAdvance("ArrDynamic", Res, true) && Res == Result::OK)
+            {
+                CHECK(ExpectChar("("));
+                CHECK(ReadUint(t.FieldArraySizes[t.FieldCount]));
+                t.FieldFlags[t.FieldCount] = Def::ETypeFieldFlags::DynamicArray;
+                CHECK(ExpectChar(")"));
+            }
             else if (CmpAdvance("Default", Res, true) && Res == OK)
             {
                 CHECK(ExpectChar("("));
@@ -249,12 +273,21 @@ Parser::Result Parser::HandleEnum()
     if (CmpAdvance("(", Res) && Res == OK)
     {
         CHECK(SkipWhitespace());
-        Def::FieldType field;
-        CHECK(ReadNativeFieldType(field));
+        CHECK(ReadDefinedFieldType(e.EnumType));
         CHECK(SkipWhitespace());
         CHECK(ExpectChar(")"));
         CHECK(SkipWhitespace());
     }
+    else
+    {
+        e.EnumType = {(uint16_t)Gen::KnownType::i32, Def::EFieldType::DefinedClass};
+    }
+
+    if (CmpAdvance("Flags", Res) && Res == OK)
+    {
+        e.EnumFlags = (Def::EEnumFlags)((uint32_t)e.EnumFlags | (uint32_t)Def::EEnumFlags::FlagsEnum);
+        CHECK(SkipWhitespace());
+    }
 
     CHECK(ExpectChar("{"));
     CHECK(SkipWhitespace());
@@ -338,29 +371,13 @@ Parser::Result Parser::ReadTypeToken()
 {
     Result Res = OK;
     Def::Type& t = Definitions.Types[Definitions.TypeCount];
-    if (ReadNativeFieldType(t.FieldTypes[t.FieldCount]) == OK) return OK;
     if (ReadDefinedFieldType(t.FieldTypes[t.FieldCount]) == OK) return OK;
     LOG_ERROR(Line, "Unknown type token!");
     ErrorLine();
     return Error;
 }
 
-Parser::Result Parser::ReadNativeFieldType(Def::FieldType& FieldT)
-{
-    Result Res = OK;
-    for (int32_t i = 0; i < Generated::KnownType::EntryCount; ++i)
-    {
-        if (CmpAdvance(Generated::KnownType::EntryNames[i], Res, true) && Res == OK)
-        {
-            FieldT.FieldKind = Def::EFieldType::Native;
-            FieldT.Native = Generated::KnownType::Enum(i);
-            return OK;
-        }
-    }
-    return Error;
-}
-
-Parser::Result Parser::ReadDefinedFieldType(Def::FieldType& FieldT)
+Parser::Result Parser::ReadDefinedFieldType(Def::TypeRef& FieldT)
 {
     Result Res = OK;
     for (uint16_t i = 0; i < Definitions.TypeCount; ++i)
@@ -437,11 +454,7 @@ uint32_t Parser::CalculateTypeHash(const Def::Type& t)
         hash.add(t.FieldArraySizes[i]);
 
         Def::EFieldType fieldType = t.FieldTypes[i].FieldKind;
-        if (fieldType == Def::EFieldType::Native)
-        {
-            hash.add(t.FieldTypes[i].Native);
-        }
-        else if (fieldType == Def::EFieldType::DefinedClass)
+        if (fieldType == Def::EFieldType::DefinedClass)
         {
             Def::Type& dependType = Definitions.Types[t.FieldTypes[i].TypeIdx];
             if (dependType.Hash == 0)
@@ -456,7 +469,7 @@ uint32_t Parser::CalculateTypeHash(const Def::Type& t)
         }
         else
         {
-            LOG_ERROR(0, "TODO!");
+            LOG_ERROR(Line, "TODO!");
         }
     }
     return hash.end();
@@ -466,9 +479,14 @@ void Parser::CalculateHashes()
     for (int32_t i = 0; i < Definitions.EnumCount; ++i)
     {
         Def::Enum& e = Definitions.Enums[i];
+        if (!IsValid(e.EnumType))
+        {
+            LOG_ERROR(0, "Invalid enum type at idx %i", i);
+            continue;
+        }
         bx::HashMurmur2A hash;
         hash.begin();
-        hash.add(e.EnumType.Native);
+        hash.add(Definitions.Types[e.EnumType.TypeIdx].Hash); // TODO: add enum entries?
         e.Hash = hash.end();
     }
     for (int32_t i = 0; i < Definitions.TypeCount; ++i)

src/dependency/minidef/src/MiniDef.h

@@ -86,12 +86,12 @@ class Parser
     Result ExpectChar(bx::StringView expect);
     Result Advance(int32_t Amount);
     Result HandleFileStart();
+    Result LoadNativeTypes();
     Result HandleType();
     Result HandleEnum();
     Result ReadName(char* Target);
     Result ReadUint(uint32_t& Out);
-    Result ReadNativeFieldType(Def::FieldType& FieldT);
-    Result ReadDefinedFieldType(Def::FieldType& FieldT);
+    Result ReadDefinedFieldType(Def::TypeRef& FieldT);
     Result ReadTypeToken();
     Result ReadOptionalEnumValues(Def::Enum& Enum, int32_t EntryIdx);
 

src/dependency/minidef/src/TypeDef.h

@@ -1,5 +1,4 @@
 #pragma once
-#include "Gen/Generated.h"
 #include <cstdint>
 
 namespace Def
@@ -7,39 +6,65 @@ namespace Def
     constexpr int32_t MaxNameLength = 64;
     constexpr int32_t MaxFields = 64;
     constexpr int32_t MaxExtraEnumFields = 2;
-    enum class EFieldType
+
+    enum class EFieldType : uint8_t
     {
-        Native,
         DefinedClass,
         DefinedEnum
     };
-    struct FieldType
+
+    enum class ETypeFlags : uint32_t
     {
-        EFieldType FieldKind = EFieldType::Native;
-        Generated::KnownType::Enum Native = Generated::KnownType::Enum::i32;
-        uint16_t TypeIdx = UINT16_MAX;
+        None = 0,
+        IsNative = 1 << 0,
     };
 
+    enum class ETypeFieldFlags : uint32_t
+    {
+        None = 0,
+        DynamicArray = 1 << 0,
+    };
+
+    enum class EEnumFlags : uint32_t
+    {
+        None = 0,
+        FlagsEnum = 1,
+    };
+
+    struct TypeRef
+    {
+        uint16_t TypeIdx = UINT16_MAX;
+        EFieldType FieldKind = EFieldType::DefinedClass;
+    };
+    inline bool IsValid(TypeRef ref)
+    {
+        return ref.TypeIdx != UINT16_MAX;
+    }
+
     struct Type
     {
         int32_t FieldCount = 0;
-        FieldType FieldTypes[MaxFields];
+        TypeRef FieldTypes[MaxFields];
         char FieldNames[MaxFields][MaxNameLength];
         uint32_t FieldArraySizes[MaxFields]{0};
         char FieldValues[MaxFields][128]{0};
+        ETypeFlags TypeFlags = ETypeFlags::None;
+        ETypeFieldFlags FieldFlags[MaxFields]{ETypeFieldFlags::None};
         char Name[MaxNameLength]{0};
+        char NativeCName[MaxNameLength]{0};
         uint32_t Hash = 0;
     };
 
     struct Enum
     {
-        FieldType EnumType;
+        TypeRef EnumType;
         int32_t EntryCount = 0;
         char EntryNames[MaxFields][MaxNameLength];
         int32_t ExtraStringFieldCount = 0;
         char ExtraStringFieldNames[MaxExtraEnumFields][MaxNameLength];
         char ExtraStringFields[MaxFields][MaxExtraEnumFields][MaxNameLength];
         char Name[MaxNameLength]{0};
+        EEnumFlags EnumFlags = EEnumFlags::None;
         uint32_t Hash = 0;
     };
 

src/engine/Shared.h

@@ -96,16 +96,19 @@ struct SharedDevData
     char ShaderLog[2048]{0};
 };
 
+struct MemoryArena
+{
+    uint8_t* Base = nullptr;
+    uint64_t Used = 0;
+    uint64_t MaxSize = 0;
+    uint64_t LastAllocSize = 0;
+};
+
 struct GameData
 {
-    void* PermanentStorage = nullptr;
-    uint64_t PermanentStorageSize = 0;
-
-    void* EntityStorage = nullptr;
-    uint64_t EntityStorageSize = 0;
-
-    void* TransientStorage = nullptr;
-    uint64_t TransientStorageSize = 0;
+    MemoryArena PermanentArena;
+    MemoryArena EntityArena;
+    MemoryArena TransientArena;
 };
 
 struct SharedData

src/engine/main.cpp

@@ -23,6 +23,10 @@ constexpr const char* DLLPath = "libPuzGame.dll";
 constexpr const wchar_t* DLLWatch = L"libPuzGame2.dll";
 #endif
 
+constexpr uint64_t KB = 1024LLU;
+constexpr uint64_t MB = 1024LLU * 1024LLU;
+constexpr uint64_t GB = 1024LLU * 1024LLU * 1024LLU;
+
 namespace
 {
     bx::AllocatorI* defaultAllocator = new bx::DefaultAllocator{};
@@ -98,6 +102,10 @@ void FileChangeCheck(HANDLE dirHandle, FileChangeType changeType, const wchar_t*
             {
                 if (compName == nullptr || compName[0] == 0 || wcscmp(notifyData->FileName, compName) == 0)
                 {
+                    char buf[1024]{0};
+                    wcstombs(buf, notifyData->FileName, sizeof(buf));
+                    printf("file change of type %u: %s\n", changeType, buf);
+
                     FileChangeNotification notif;
                     wcscpy(notif.FileName, notifyData->FileName);
                     if (changeType == FileChangeType::DLL)
@@ -106,23 +114,25 @@ void FileChangeCheck(HANDLE dirHandle, FileChangeType changeType, const wchar_t*
                     }
                     else if (changeType == FileChangeType::Shader)
                     {
-                        std::system("shadercompile.bat > shadercompile.log");
+                        printf("shader source change!\n");
+                        std::system("powershell.exe .\\shadercompile.ps1 > shadercompile.log");
                         Sleep(1000);
                         std::ifstream shaderLogFile("shadercompile.log");
                         if (shaderLogFile.is_open())
                         {
                             shaderLogFile.seekg(0, std::ios::end);
-                            uint32_t size = bx::min(BX_COUNTOF(Shared.Dev.ShaderLog), shaderLogFile.tellg());
+                            uint32_t size = bx::min(BX_COUNTOF(Shared.Dev.ShaderLog) - 1, shaderLogFile.tellg());
                             shaderLogFile.seekg(0);
                             shaderLogFile.read(Shared.Dev.ShaderLog, size);
                             shaderLogFile.close();
+                            Shared.Dev.ShaderLog[size] = 0;
                         }
                     }
                     else if (changeType == FileChangeType::CompiledShader)
                     {
+                        printf("compiled shader change!\n");
                         DevData.FileWatcher.ShaderQueue.push(&notif);
                     }
-                    printf("detected file change of type %u!\n", changeType);
                 }
             }
 
@@ -254,6 +264,15 @@ bool ReloadDLL()
     return true;
 }
 
+void InitMemoryArena(MemoryArena& arena, uint64_t size)
+{
+    arena.MaxSize = size;
+    arena.Base = reinterpret_cast<uint8_t*>(
+        VirtualAllocEx(GetCurrentProcess(), NULL, size, MEM_RESERVE | MEM_COMMIT, PAGE_READWRITE));
+    arena.Used = 0;
+    arena.LastAllocSize = 0;
+}
+
 int main()
 {
     char PathBuf[512]{0};
@@ -273,7 +292,12 @@ int main()
     DevData.FileWatcher.ShaderWatcher.ChangeType = FileChangeType::Shader;
     DevData.FileWatcher.CompiledShaderWatcher.ChangeType = FileChangeType::CompiledShader;
 
-    bx::strCopy(DevData.FileWatcher.DLLWatcher.DirPath, sizeof(DevData.FileWatcher.DLLWatcher.DirPath), "cmake-build");
+    char exePath[1024];
+    GetModuleFileName(nullptr, exePath, BX_COUNTOF(exePath));
+    bx::FilePath exeFilePath{exePath};
+    bx::FilePath exeDir{exeFilePath.getPath()};
+    bx::strCopy(
+        DevData.FileWatcher.DLLWatcher.DirPath, sizeof(DevData.FileWatcher.DLLWatcher.DirPath), exeDir.getCPtr());
     bx::strCopy(
         DevData.FileWatcher.ShaderWatcher.DirPath, sizeof(DevData.FileWatcher.ShaderWatcher.DirPath), "game/shaders");
     bx::strCopy(DevData.FileWatcher.CompiledShaderWatcher.DirPath,
@@ -290,15 +314,9 @@ int main()
     HANDLE compiledShaderThread =
         CreateThread(NULL, 0, FileWatcherThread, &DevData.FileWatcher.CompiledShaderWatcher, 0, &fileWatcherThreadId);
 
-    Shared.Game.PermanentStorageSize = 1024 * 1024;
-    Shared.Game.PermanentStorage = VirtualAllocEx(
-        GetCurrentProcess(), NULL, Shared.Game.PermanentStorageSize, MEM_RESERVE | MEM_COMMIT, PAGE_READWRITE);
-    Shared.Game.EntityStorageSize = 1024 * 1024;
-    Shared.Game.EntityStorage = VirtualAllocEx(
-        GetCurrentProcess(), NULL, Shared.Game.EntityStorageSize, MEM_RESERVE | MEM_COMMIT, PAGE_READWRITE);
-    Shared.Game.TransientStorageSize = 1024 * 1024 * 100;
-    Shared.Game.TransientStorage = VirtualAllocEx(
-        GetCurrentProcess(), NULL, Shared.Game.TransientStorageSize, MEM_RESERVE | MEM_COMMIT, PAGE_READWRITE);
+    InitMemoryArena(Shared.Game.PermanentArena, MB);
+    InitMemoryArena(Shared.Game.EntityArena, MB);
+    InitMemoryArena(Shared.Game.TransientArena, 2 * GB);
     StartupFunc(Shared);
 
     bool isRunning = true;

src/game/Entity.h

@@ -0,0 +1,158 @@
+#pragma once
+
+#include "../gen/Generated.h"
+#include "Log.h"
+#include "Puzzle.h" // TODO: remove
+#include "bgfx/bgfx.h"
+#include "rendering/Rendering.h"
+#include <cstdint>
+#include <typeinfo>
+
+#define ENTITY_HANDLE(X)                                                                                               \
+    struct X                                                                                                           \
+    {                                                                                                                  \
+        uint16_t Idx = UINT16_MAX;                                                                                     \
+    };                                                                                                                 \
+    inline bool IsValid(X h)                                                                                           \
+    {                                                                                                                  \
+        return h.Idx != UINT16_MAX;                                                                                    \
+    }
+
+namespace Game
+{
+    int32_t GetNextRenderID();
+
+    struct EntityRenderData
+    {
+        Gen::Vec4 DotColor{1.0f, 1.0f, 1.0f, 1.0f};
+        Gen::Vec4 BaseColor{0.0f, 0.0f, 0.0f, 1.0f};
+        Gen::Transform Transform;
+        Gen::EMaterial::Enum MaterialHandle = Gen::EMaterial::UI;
+        Gen::TextureHandle TextureHandle;
+        Gen::ModelHandle ModelH;
+        bool Visible = true;
+        int32_t RenderID = 0;
+
+        void Render(const Model* models, const Material* materials, const Texture* textures);
+        void LoadFromSaved(const Gen::SavedEntityRenderData& saved);
+    };
+
+    ENTITY_HANDLE(CubeHandle);
+    struct Cube
+    {
+        int32_t TestX = -1;
+        int32_t TestY = -1;
+        EntityRenderData EData;
+
+        void Setup();
+        void Update();
+    };
+
+    ENTITY_HANDLE(TestEntityHandle);
+    struct TestEntity
+    {
+        EntityRenderData EData;
+
+        void Setup();
+    };
+
+    ENTITY_HANDLE(PuzzleTileEntityHandle);
+    struct PuzzleTileEntity
+    {
+        EntityRenderData EData;
+    };
+
+    ENTITY_HANDLE(PuzzleTileCoverHandle);
+    struct PuzzleTileCover
+    {
+        EntityRenderData EData;
+    };
+
+    ENTITY_HANDLE(UIQuadEntityHandle);
+    struct UIQuadEntity
+    {
+        EntityRenderData EData;
+        Gen::Vec3 UIPos;
+        float UIRot = 0.0f;
+    };
+
+    ENTITY_HANDLE(LevelEntityHandle);
+    struct LevelEntity
+    {
+        EntityRenderData EData;
+    };
+
+    class IEntityManager
+    {
+      public:
+        virtual bool Setup(uint8_t*& ptr, bool forceReset) = 0;
+    };
+
+    template <typename T, typename HandleT, uint32_t C> class EntityManager : public IEntityManager
+    {
+      public:
+        uint16_t Count = 0;
+        T* Data = nullptr;
+        uint32_t EntitySize = 0;
+        T InvalidObject{};
+        bool IsEnabled = true;
+
+      public:
+        // Returns true if size changed
+        bool Setup(uint8_t*& ptr, bool forceReset)
+        {
+            bool changed = false;
+            if (EntitySize != sizeof(T) || forceReset)
+            {
+                Count = 0;
+                changed = true;
+            }
+            EntitySize = sizeof(T);
+            Data = reinterpret_cast<T*>(ptr);
+            ptr += C * EntitySize;
+            return changed;
+        }
+
+        HandleT New()
+        {
+            if (Data == nullptr)
+            {
+                ERROR_ONCE("Accessed EntityManager before setup!");
+                return {};
+            }
+            if (Count >= C)
+            {
+                ERROR_ONCE("Too many entities!");
+                return {};
+            }
+            Data[Count] = {};
+            Data[Count].EData.RenderID = GetNextRenderID();
+            HandleT H;
+            H.Idx = Count;
+            ++Count;
+            return H;
+        }
+
+        T& Get(HandleT handle)
+        {
+            if (handle.Idx >= Count)
+            {
+                ERROR_ONCE("OOB Access!");
+                return InvalidObject;
+            }
+            return Data[handle.Idx];
+        }
+
+        void Render(const Model* models, const Material* materials, const Texture* textures)
+        {
+            if (!IsEnabled) return;
+            bgfx::setMarker(typeid(T).name());
+            for (uint16_t i = 0; i < Count; ++i)
+            {
+                Get({i}).EData.Render(models, materials, textures);
+            }
+        }
+    };
+
+    typedef EntityManager<UIQuadEntity, UIQuadEntityHandle, Puzzle::Config::MaxTilesInPuzzle * 2> UIQuadEntityManager;
+} // namespace Game

src/game/Gen.cpp

@@ -0,0 +1,515 @@
+#include "Gen.h"
+
+#include "bx/math.h"
+
+namespace Gen
+{
+    bool IsValid(const ModelHandle& h)
+    {
+        return h.ModelIdx != UINT16_MAX && IsValid(h.Asset);
+    }
+    bool IsValid(const AssetHandle& h)
+    {
+        return h.Idx != UINT32_MAX;
+    }
+    bool IsValid(const TextureHandle& h)
+    {
+        return h.TextureIdx != UINT16_MAX && IsValid(h.Asset);
+    }
+    bool operator==(const AssetHandle& lhs, const AssetHandle& rhs)
+    {
+        return lhs.Idx == rhs.Idx;
+    }
+    bool operator==(const ModelHandle& lhs, const ModelHandle& rhs)
+    {
+        if (!IsValid(lhs) || !IsValid(rhs)) return IsValid(lhs) == IsValid(rhs);
+        return lhs.ModelIdx == rhs.ModelIdx && lhs.Asset == rhs.Asset;
+    }
+    PuzPos operator+=(PuzPos lhs, const PuzPos& rhs)
+    {
+        lhs.X += rhs.X;
+        lhs.Y += rhs.Y;
+        return lhs;
+    }
+    PuzPos operator+(PuzPos lhs, const PuzPos& rhs)
+    {
+        PuzPos res = lhs;
+        res.X += rhs.X;
+        res.Y += rhs.Y;
+        return res;
+    }
+    PuzPos operator-=(PuzPos lhs, const PuzPos& rhs)
+    {
+        lhs.X -= rhs.X;
+        lhs.Y -= rhs.Y;
+        return lhs;
+    }
+    PuzPos operator-(PuzPos lhs, const PuzPos& rhs)
+    {
+        PuzPos res = lhs;
+        res.X += rhs.X;
+        res.Y += rhs.Y;
+        return res;
+    }
+
+    // Vec4
+    Vec4& operator+=(Vec4& lhs, const Vec4& rhs)
+    {
+        lhs.x += rhs.x;
+        lhs.y += rhs.y;
+        lhs.z += rhs.z;
+        lhs.w += rhs.w;
+        return lhs;
+    }
+    Vec4 operator+(const Vec4& lhs, const Vec4& rhs)
+    {
+        Vec4 out = lhs;
+        return out += rhs;
+    }
+    Vec4& operator+=(Vec4& lhs, float rhs)
+    {
+        lhs.x += rhs;
+        lhs.y += rhs;
+        lhs.z += rhs;
+        lhs.w += rhs;
+        return lhs;
+    }
+    Vec4 operator+(Vec4& lhs, float rhs)
+    {
+        Vec4 out = lhs;
+        return out += rhs;
+    }
+
+    Vec4& operator-=(Vec4& lhs, const Vec4& rhs)
+    {
+        lhs.x -= rhs.x;
+        lhs.y -= rhs.y;
+        lhs.z -= rhs.z;
+        lhs.w -= rhs.w;
+        return lhs;
+    }
+    Vec4 operator-(const Vec4& lhs, const Vec4& rhs)
+    {
+        Vec4 out = lhs;
+        return out -= rhs;
+    }
+    Vec4& operator-=(Vec4& lhs, float rhs)
+    {
+        lhs.x -= rhs;
+        lhs.y -= rhs;
+        lhs.z -= rhs;
+        lhs.w -= rhs;
+        return lhs;
+    }
+    Vec4 operator-(const Vec4& lhs, float rhs)
+    {
+        Vec4 out = lhs;
+        return out -= rhs;
+    }
+
+    Vec4& operator*=(Vec4& lhs, float rhs)
+    {
+        lhs.x *= rhs;
+        lhs.y *= rhs;
+        lhs.z *= rhs;
+        lhs.w *= rhs;
+        return lhs;
+    }
+    Vec4 operator*(const Vec4& lhs, float rhs)
+    {
+        Vec4 out = lhs;
+        return out *= rhs;
+    }
+
+    Vec4& operator/=(Vec4& lhs, float rhs)
+    {
+        lhs.x /= rhs;
+        lhs.y /= rhs;
+        lhs.z /= rhs;
+        lhs.w /= rhs;
+        return lhs;
+    }
+    Vec4 operator/(const Vec4& lhs, float rhs)
+    {
+        Vec4 out = lhs;
+        return out /= rhs;
+    }
+
+    // Vec3
+    Vec3& operator+=(Vec3& lhs, const Vec3& rhs)
+    {
+        lhs.x += rhs.x;
+        lhs.y += rhs.y;
+        lhs.z += rhs.z;
+        return lhs;
+    }
+    Vec3 operator+(const Vec3& lhs, const Vec3& rhs)
+    {
+        Vec3 out = lhs;
+        return out += rhs;
+    }
+    Vec3& operator+=(Vec3& lhs, float rhs)
+    {
+        lhs.x += rhs;
+        lhs.y += rhs;
+        lhs.z += rhs;
+        return lhs;
+    }
+    Vec3 operator+(Vec3& lhs, float rhs)
+    {
+        Vec3 out = lhs;
+        return out += rhs;
+    }
+
+    Vec3& operator-=(Vec3& lhs, const Vec3& rhs)
+    {
+        lhs.x -= rhs.x;
+        lhs.y -= rhs.y;
+        lhs.z -= rhs.z;
+        return lhs;
+    }
+    Vec3 operator-(const Vec3& lhs, const Vec3& rhs)
+    {
+        Vec3 out = lhs;
+        return out -= rhs;
+    }
+    Vec3& operator-=(Vec3& lhs, float rhs)
+    {
+        lhs.x -= rhs;
+        lhs.y -= rhs;
+        lhs.z -= rhs;
+        return lhs;
+    }
+    Vec3 operator-(const Vec3& lhs, float rhs)
+    {
+        Vec3 out = lhs;
+        return out -= rhs;
+    }
+
+    Vec3& operator*=(Vec3& lhs, float rhs)
+    {
+        lhs.x *= rhs;
+        lhs.y *= rhs;
+        lhs.z *= rhs;
+        return lhs;
+    }
+    Vec3 operator*(const Vec3& lhs, float rhs)
+    {
+        Vec3 out = lhs;
+        return out *= rhs;
+    }
+
+    Vec3& operator/=(Vec3& lhs, float rhs)
+    {
+        lhs.x /= rhs;
+        lhs.y /= rhs;
+        lhs.z /= rhs;
+        return lhs;
+    }
+    Vec3 operator/(const Vec3& lhs, float rhs)
+    {
+        Vec3 out = lhs;
+        return out /= rhs;
+    }
+
+    // Vec2
+    Vec2& operator+=(Vec2& lhs, const Vec2& rhs)
+    {
+        lhs.x += rhs.x;
+        lhs.y += rhs.y;
+        return lhs;
+    }
+    Vec2 operator+(const Vec2& lhs, const Vec2& rhs)
+    {
+        Vec2 out = lhs;
+        return out += rhs;
+    }
+    Vec2& operator+=(Vec2& lhs, float rhs)
+    {
+        lhs.x += rhs;
+        lhs.y += rhs;
+        return lhs;
+    }
+    Vec2 operator+(Vec2& lhs, float rhs)
+    {
+        Vec2 out = lhs;
+        return out += rhs;
+    }
+
+    Vec2& operator-=(Vec2& lhs, const Vec2& rhs)
+    {
+        lhs.x -= rhs.x;
+        lhs.y -= rhs.y;
+        return lhs;
+    }
+    Vec2 operator-(const Vec2& lhs, const Vec2& rhs)
+    {
+        Vec2 out = lhs;
+        return out -= rhs;
+    }
+    Vec2& operator-=(Vec2& lhs, float rhs)
+    {
+        lhs.x -= rhs;
+        lhs.y -= rhs;
+        return lhs;
+    }
+    Vec2 operator-(const Vec2& lhs, float rhs)
+    {
+        Vec2 out = lhs;
+        return out -= rhs;
+    }
+
+    Vec2& operator*=(Vec2& lhs, float rhs)
+    {
+        lhs.x *= rhs;
+        lhs.y *= rhs;
+        return lhs;
+    }
+    Vec2 operator*(const Vec2& lhs, float rhs)
+    {
+        Vec2 out = lhs;
+        return out *= rhs;
+    }
+
+    Vec2& operator/=(Vec2& lhs, float rhs)
+    {
+        lhs.x /= rhs;
+        lhs.y /= rhs;
+        return lhs;
+    }
+    Vec2 operator/(const Vec2& lhs, float rhs)
+    {
+        Vec2 out = lhs;
+        return out /= rhs;
+    }
+
+    Mat4 Inverse(const Mat4& mat)
+    {
+        Mat4 result;
+        bx::mtxInverse(result.M, &mat.M[0]);
+        return result;
+    }
+    Mat4 Transpose(const Mat4& mat)
+    {
+        Mat4 result;
+        bx::mtxTranspose(result.M, &mat.M[0]);
+        return result;
+    }
+    Vec4 Mul(const Mat4& mat, const Vec4& vec)
+    {
+        Vec4 out;
+        bx::vec4MulMtx(&out.x, &vec.x, &mat.M[0]);
+        return out;
+    }
+
+    Vec3 EulerFromRotation(const Mat4& rotation)
+    {
+        const float r32 = rotation.M[9];
+        const float r33 = rotation.M[10];
+        float x = bx::atan2(r32, r33);
+        float y = bx::atan2(-rotation.M[8], bx::sqrt(r32 * r32 + r33 * r33));
+        float z = bx::atan2(rotation.M[4], rotation.M[0]);
+        return {x, y, z};
+    }
+
+    Mat4 RotationFromEuler(const Vec3& euler)
+    {
+        Mat4 mat;
+        bx::Quaternion quat = bx::fromEuler({euler.x, euler.y, euler.z});
+        bx::mtxFromQuaternion(mat.M, quat);
+        return mat;
+    }
+
+    Mat4 RotationFromQuaternion(const Vec4& quaternion)
+    {
+        Mat4 mat;
+        bx::Quaternion quat{quaternion.x, quaternion.y, quaternion.z, quaternion.w};
+        bx::mtxFromQuaternion(mat.M, quat);
+        return mat;
+    }
+
+    float Magnitude(const Vec4& vec)
+    {
+        return bx::sqrt(vec.x * vec.x + vec.y * vec.y + vec.z * vec.z + vec.w * vec.w);
+    }
+    float Magnitude(const Vec3& vec)
+    {
+        return bx::sqrt(vec.x * vec.x + vec.y * vec.y + vec.z * vec.z);
+    }
+    float Magnitude(const Vec2& vec)
+    {
+        return bx::sqrt(vec.x * vec.x + vec.y * vec.y);
+    }
+
+    Vec4 Normalized(const Vec4& vec)
+    {
+        Vec4 res = vec;
+        return res /= Magnitude(vec);
+    }
+    Vec3 Normalized(const Vec3& vec)
+    {
+        Vec3 res = vec;
+        return res /= Magnitude(vec);
+    }
+    Vec2 Normalized(const Vec2& vec)
+    {
+        Vec2 res = vec;
+        return res /= Magnitude(vec);
+    }
+
+    float DotProduct(Vec3 a, Vec3 b)
+    {
+        return a.x * b.x + a.y * b.y + a.z * b.z;
+    }
+    Vec3 CrossProduct(Vec3 a, Vec3 b)
+    {
+        float x = a.y * b.z - a.z * b.y;
+        float y = a.z * b.x - a.x * b.z;
+        float z = a.x * b.y - a.y * b.x;
+        return {x, y, z};
+    }
+    Vec3 CrossProductFromPlane(Vec3 a, Vec3 b, Vec3 c)
+    {
+        // TODO: normalize might not be necessary
+        Vec3 lineA = Normalized(b - a);
+        Vec3 lineB = Normalized(c - a);
+        return CrossProduct(lineA, lineB);
+    }
+    bool RayPlaneIntersect(Vec3 l1, Vec3 l2, Vec3 p1, Vec3 p2, Vec3 p3, Vec3& out)
+    {
+        // thanks to Paul Bourke and Bryan Hanson
+        // l1,l2 constitute the line. P1,P2,P3 constitute the plane
+        out = {};
+        Vec3 N = CrossProductFromPlane(p1, p2, p3); // N is the normal of the plane
+        float n = DotProduct(N, Vec3{p3.x - l1.x, p3.y - l1.y, p3.z - l1.z});
+        Vec3 LbMinusLa = Vec3{l2.x - l1.x, l2.y - l1.y, l2.z - l1.z};
+        float d = DotProduct(N, LbMinusLa);
+        if (d == 0) return false; // Line is parallel to or in the plane
+        float u = n / d;
+        if ((u >= 0.0) && (u <= 1.0))
+        { // Plane is between the two points
+        } // can be used for checking but does not influence the outcome
+        out = Vec3{l1.x + u * LbMinusLa.x, l1.y + u * LbMinusLa.y, l1.z + u * LbMinusLa.z};
+        return true;
+    }
+
+    bool RayTriangleIntersect(Vec3 l1, Vec3 l2, Vec3 p1, Vec3 p2, Vec3 p3, Vec3& out)
+    {
+        const float EPSILON = 1e-6f;
+        Vec3 dir = l2 - l1; // Ray direction
+        Vec3 edge1 = p2 - p1;
+        Vec3 edge2 = p3 - p1;
+
+        Vec3 h = CrossProduct(dir, edge2);
+        float a = DotProduct(edge1, h);
+
+        if (bx::abs(a) < EPSILON) return false; // Ray is parallel to the triangle
+
+        float f = 1.0f / a;
+        Vec3 s = l1 - p1;
+        float u = f * DotProduct(s, h);
+        if (u < 0.0f || u > 1.0f) return false;
+
+        Vec3 q = CrossProduct(s, edge1);
+        float v = f * DotProduct(dir, q);
+        if (v < 0.0f || u + v > 1.0f) return false;
+
+        float t = f * DotProduct(edge2, q);
+        if (t > EPSILON)
+        {
+            out = l1 + dir * t;
+            return true;
+        }
+
+        return false;
+    }
+
+    void Translate(Transform& trans, Vec3 offset)
+    {
+        trans.Position += Vec3{offset.x, offset.y, offset.z};
+    }
+
+    void TranslateLocal(Transform& trans, Vec3 offset)
+    {
+        Vec3 localOffset = GlobalToLocalDirection(trans, offset);
+        trans.Position += Vec3{localOffset.x, localOffset.y, localOffset.z};
+    }
+
+    void Rotate(Transform& trans, Vec3 rotation)
+    {
+        float rot[16]{0};
+        bx::mtxRotateXYZ(rot, rotation.x, rotation.y, rotation.z);
+        float temp[16]{0};
+        bx::mtxMul(temp, rot, trans.Rotation.M);
+        bx::memCopy(trans.Rotation.M, temp, sizeof(temp));
+    }
+
+    void RotateLocal(Transform& trans, Vec3 rotation)
+    {
+        float rot[16]{0};
+        bx::mtxRotateXYZ(rot, rotation.x, rotation.y, rotation.z);
+        float temp[16]{0};
+        bx::mtxMul(temp, trans.Rotation.M, rot);
+        bx::memCopy(trans.Rotation.M, temp, sizeof(temp));
+    }
+
+    Vec3 AxisRight(const Mat4& trans)
+    {
+        return {trans.M[0], trans.M[1], trans.M[2]};
+    }
+
+    Vec3 AxisUp(const Mat4& trans)
+    {
+        return {trans.M[4], trans.M[5], trans.M[6]};
+    }
+
+    Vec3 AxisForward(const Mat4& trans)
+    {
+        return {trans.M[8], trans.M[9], trans.M[10]};
+    }
+
+    void UpdateMatrix(Transform& trans)
+    {
+        Mat4 pos;
+        Mat4 scale;
+        bx::mtxTranslate(pos.M, trans.Position.x, trans.Position.y, trans.Position.z);
+        bx::mtxScale(scale.M, trans.Scale.x, trans.Scale.y, trans.Scale.z);
+        Mat4 temp;
+        bx::mtxMul(temp.M, scale.M, trans.Rotation.M);
+        bx::mtxMul(trans.M.M, temp.M, pos.M);
+        bx::mtxInverse(trans.MI.M, trans.M.M);
+    }
+
+    Vec3 GlobalToLocalDirection(Transform& trans, Vec3 global)
+    {
+        UpdateMatrix(trans);
+        float in[4]{global.x, global.y, global.z, 0.0f};
+        float out[4]{0.0f};
+        bx::vec4MulMtx(out, in, Transpose(trans.MI).M);
+        return {out[0], out[1], out[2]};
+    }
+    Vec3 GlobalToLocalPoint(Transform& trans, Vec3 global)
+    {
+        UpdateMatrix(trans);
+        float in[4]{global.x, global.y, global.z, 1.0f};
+        float out[4]{0.0f};
+        bx::vec4MulMtx(out, in, trans.MI.M);
+        return {out[0], out[1], out[2]};
+    }
+    Vec3 LocalToGlobalDirection(Transform& trans, Vec3 local)
+    {
+        UpdateMatrix(trans);
+        float in[4]{local.x, local.y, local.z, 0.0f};
+        float out[4]{0.0f};
+        bx::vec4MulMtx(out, in, Transpose(trans.M).M);
+        return {out[0], out[1], out[2]};
+    }
+    Vec3 LocalToGlobalPoint(Transform& trans, Vec3 local)
+    {
+        UpdateMatrix(trans);
+        float in[4]{local.x, local.y, local.z, 1.0f};
+        float out[4]{0.0f};
+        bx::vec4MulMtx(out, in, trans.M.M);
+        return {out[0], out[1], out[2]};
+    }
+} // namespace Gen

src/game/Gen.h

@@ -0,0 +1,98 @@
+#pragma once
+#include "../gen/Generated.h"
+
+namespace Gen
+{
+    bool IsValid(const AssetHandle& h);
+    bool IsValid(const ModelHandle& h);
+    bool IsValid(const TextureHandle& h);
+
+    bool operator==(const AssetHandle& lhs, const AssetHandle& rhs);
+    bool operator==(const ModelHandle& lhs, const ModelHandle& rhs);
+
+    PuzPos operator+=(PuzPos lhs, const PuzPos& rhs);
+    PuzPos operator+(PuzPos lhs, const PuzPos& rhs);
+
+    Vec4& operator+=(Vec4& lhs, const Vec4& rhs);
+    Vec4 operator+(const Vec4& lhs, const Vec4& rhs);
+    Vec4& operator+=(Vec4& lhs, float rhs);
+    Vec4 operator+(Vec4& lhs, float rhs);
+
+    Vec4& operator-=(Vec4& lhs, const Vec4& rhs);
+    Vec4 operator-(const Vec4& lhs, const Vec4& rhs);
+    Vec4& operator-=(Vec4& lhs, float rhs);
+    Vec4 operator-(const Vec4& lhs, float rhs);
+
+    Vec4& operator*=(Vec4& lhs, float rhs);
+    Vec4 operator*(const Vec4& lhs, float rhs);
+
+    Vec4& operator/=(Vec4& lhs, float rhs);
+    Vec4 operator/(const Vec4& lhs, float rhs);
+
+    Vec3& operator+=(Vec3& lhs, const Vec3& rhs);
+    Vec3 operator+(const Vec3& lhs, const Vec3& rhs);
+    Vec3& operator+=(Vec3& lhs, float rhs);
+    Vec3 operator+(Vec3& lhs, float rhs);
+
+    Vec3& operator-=(Vec3& lhs, const Vec3& rhs);
+    Vec3 operator-(const Vec3& lhs, const Vec3& rhs);
+    Vec3& operator-=(Vec3& lhs, float rhs);
+    Vec3 operator-(const Vec3& lhs, float rhs);
+
+    Vec3& operator*=(Vec3& lhs, float rhs);
+    Vec3 operator*(const Vec3& lhs, float rhs);
+
+    Vec3& operator/=(Vec3& lhs, float rhs);
+    Vec3 operator/(const Vec3& lhs, float rhs);
+
+    Vec2& operator+=(Vec2& lhs, const Vec2& rhs);
+    Vec2 operator+(const Vec2& lhs, const Vec2& rhs);
+    Vec2& operator+=(Vec2& lhs, float rhs);
+    Vec2 operator+(Vec2& lhs, float rhs);
+
+    Vec2& operator-=(Vec2& lhs, const Vec2& rhs);
+    Vec2 operator-(const Vec2& lhs, const Vec2& rhs);
+    Vec2& operator-=(Vec2& lhs, float rhs);
+    Vec2 operator-(const Vec2& lhs, float rhs);
+
+    Vec2& operator*=(Vec2& lhs, float rhs);
+    Vec2 operator*(const Vec2& lhs, float rhs);
+
+    Vec2& operator/=(Vec2& lhs, float rhs);
+    Vec2 operator/(const Vec2& lhs, float rhs);
+
+    float Magnitude(const Vec4& vec);
+    float Magnitude(const Vec3& vec);
+    float Magnitude(const Vec2& vec);
+
+    Vec4 Normalized(const Vec4& vec);
+    Vec3 Normalized(const Vec3& vec);
+    Vec2 Normalized(const Vec2& vec);
+
+    Mat4 Inverse(const Mat4& mat);
+    Mat4 Transpose(const Mat4& mat);
+    Vec4 Mul(const Mat4& mat, const Vec4& vec);
+
+    Vec3 EulerFromRotation(const Mat4& rotation);
+    Mat4 RotationFromEuler(const Vec3& euler);
+    Mat4 RotationFromQuaternion(const Vec4& quaternion);
+
+    float DotProduct(Vec3 a, Vec3 b);
+    Vec3 CrossProduct(Vec3 a, Vec3 b);
+    Vec3 CrossProductFromPlane(Vec3 a, Vec3 b, Vec3 c);
+    bool RayPlaneIntersect(Vec3 l1, Vec3 l2, Vec3 p1, Vec3 p2, Vec3 p3, Vec3& out);
+    bool RayTriangleIntersect(Vec3 l1, Vec3 l2, Vec3 p1, Vec3 p2, Vec3 p3, Vec3& out);
+
+    void Translate(Transform& trans, Vec3 offset);
+    void TranslateLocal(Transform& trans, Vec3 offset);
+    void Rotate(Transform& trans, Vec3 rotation);
+    void RotateLocal(Transform& trans, Vec3 rotation);
+    Vec3 LocalToGlobalPoint(Transform& trans, Vec3 local);
+    Vec3 LocalToGlobalDirection(Transform& trans, Vec3 local);
+    Vec3 GlobalToLocalPoint(Transform& trans, Vec3 global);
+    Vec3 GlobalToLocalDirection(Transform& trans, Vec3 global);
+    Vec3 AxisRight(const Mat4& mat);
+    Vec3 AxisUp(const Mat4& mat);
+    Vec3 AxisForward(const Mat4& mat);
+    void UpdateMatrix(Transform& trans);
+} // namespace Gen

src/game/Global.cpp

@@ -1,87 +1,18 @@
 #include "../engine/Shared.h"
 #include "Global.h"
 #include "Instance.h"
-#include "bx/bx.h"
-#include "bx/math.h"
+
 #include <cassert>
 #include <cstdint>
 
+using namespace Gen;
+
 namespace
 {
     SharedData* SharedInstance = nullptr;
     Game::GameInstance* GameInst = nullptr;
 } // namespace
 
-void Transform::CreateTransform(float* out, bx::Vec3 pos, bx::Quaternion rot, bx::Vec3 scale)
-{
-    if (out == nullptr) return;
-    float rMat[16]{0};
-    float tMat[16]{0};
-    float sMat[16]{0};
-    bx::mtxFromQuaternion(rMat, bx::Quaternion{rot.x, rot.y, rot.z, rot.w});
-    bx::mtxTranslate(tMat, pos.x, pos.y, pos.z);
-    bx::mtxScale(sMat, scale.x, scale.y, scale.z);
-    float buf[16]{0};
-    bx::mtxMul(buf, rMat, sMat);
-    bx::mtxMul(out, buf, tMat);
-}
-
-void Transform::Translate(Vec3 offset)
-{
-    Position = bx::add(Position, {offset.x, offset.y, offset.z});
-}
-
-void Transform::TranslateLocal(Vec3 offset)
-{
-    Vec3 localOffset = GlobalToLocalDirection(offset);
-    Position = bx::add(Position, {localOffset.x, localOffset.y, localOffset.z});
-}
-
-void Transform::Rotate(bx::Vec3 rotation)
-{
-    float rot[16]{0};
-    bx::mtxRotateXYZ(rot, rotation.x, rotation.y, rotation.z);
-    float temp[16]{0};
-    bx::mtxMul(temp, rot, Rotation.M);
-    bx::memCopy(Rotation.M, temp, sizeof(temp));
-}
-
-void Transform::RotateLocal(bx::Vec3 rotation)
-{
-    float rot[16]{0};
-    bx::mtxRotateXYZ(rot, rotation.x, rotation.y, rotation.z);
-    float temp[16]{0};
-    bx::mtxMul(temp, Rotation.M, rot);
-    bx::memCopy(Rotation.M, temp, sizeof(temp));
-}
-
-Vec3 Transform::Right() const
-{
-    return {M.M[0], M.M[1], M.M[2]};
-}
-
-Vec3 Transform::Up() const
-{
-    return {M.M[4], M.M[5], M.M[6]};
-}
-
-Vec3 Transform::Forward() const
-{
-    return {M.M[8], M.M[9], M.M[10]};
-}
-
-void Transform::UpdateMatrix()
-{
-    Mat4 pos;
-    Mat4 scale;
-    bx::mtxTranslate(pos.M, Position.x, Position.y, Position.z);
-    bx::mtxScale(scale.M, Scale.x, Scale.y, Scale.z);
-    Mat4 temp;
-    bx::mtxMul(temp.M, scale.M, Rotation.M);
-    bx::mtxMul(M.M, pos.M, temp.M);
-    bx::mtxInverse(MI.M, M.M);
-}
-
 namespace Game
 {
     SharedData& GetShared()
@@ -106,69 +37,36 @@ namespace Game
         GameInst = &instance;
     }
 
-    void* AllocateScratch(size_t byteCount, size_t align)
+    uint8_t* AllocateScratch(uint64_t byteCount, uint32_t align)
     {
-        size_t offset = GetInstance().UsedScratchAmount;
-        uint8_t* base = static_cast<uint8_t*>(GetShared().Game.TransientStorage);
-        uint8_t* current = base + offset;
-        size_t offsetAligned = ((offset + align - 1) / align) * align;
-        uint8_t* ptrAligned = base + offsetAligned;
-        size_t newOffset = offsetAligned + byteCount;
-        if (newOffset > GetShared().Game.TransientStorageSize) return nullptr;
-        GetInstance().UsedScratchAmount = newOffset;
-        return reinterpret_cast<void*>(ptrAligned);
+        assert(align <= 64); // The alignment of the arena limits the alignment that can be specified here!
+        auto& arena = GetShared().Game.TransientArena;
+        uint64_t offsetAligned = ((arena.Used + align - 1) / align) * align;
+        uint8_t* ptrAligned = arena.Base + offsetAligned;
+        uint64_t newOffset = offsetAligned + byteCount;
+        if (newOffset > arena.MaxSize) return nullptr;
+        arena.Used = newOffset;
+        arena.LastAllocSize = byteCount;
+        return ptrAligned;
+    }
+
+    bool ResizeLastScratchAlloc(uint64_t newByteCount)
+    {
+        auto& arena = GetShared().Game.TransientArena;
+        if (newByteCount > arena.LastAllocSize)
+        {
+            LOG_ERROR("Can't resize to more than previous size!");
+            return false;
+        }
+        arena.Used -= arena.LastAllocSize;
+        arena.Used += newByteCount;
+        return true;
+    }
+
+    void ResetScratch()
+    {
+        auto& arena = GetShared().Game.TransientArena;
+        arena.Used = 0;
+        arena.LastAllocSize = 0;
     }
 } // namespace Game
-Vec3 Transform::GlobalToLocalDirection(Vec3 global)
-{
-    UpdateMatrix();
-    float in[4]{global.x, global.y, global.z, 0.0f};
-    float out[4]{0.0f};
-    bx::vec4MulMtx(out, in, MI.M);
-    return {out[0], out[1], out[2]};
-}
-bx::Vec3 Transform::GlobalToLocalPoint(bx::Vec3 global)
-{
-    UpdateMatrix();
-    float in[4]{global.x, global.y, global.z, 1.0f};
-    float out[4]{0.0f};
-    bx::vec4MulMtx(out, in, MI.M);
-    return {out[0], out[1], out[2]};
-}
-Vec3 Transform::LocalToGlobalDirection(Vec3 local)
-{
-    UpdateMatrix();
-    float in[4]{local.x, local.y, local.z, 0.0f};
-    float out[4]{0.0f};
-    Mat4 test = M.Transpose();
-    bx::vec4MulMtx(out, in, test.M);
-    return {out[0], out[1], out[2]};
-}
-bx::Vec3 Transform::LocalToGlobalPoint(bx::Vec3 local)
-{
-    UpdateMatrix();
-    float in[4]{local.x, local.y, local.z, 1.0f};
-    float out[4]{0.0f};
-    bx::vec4MulMtx(out, in, M.M);
-    return {out[0], out[1], out[2]};
-}
-void Transform::SetPosition(Vec3 pos)
-{
-    Position = {pos.x, pos.y, pos.z};
-}
-Vec3 Transform::GetPosition()
-{
-    return {Position.x, Position.y, Position.z};
-}
-Mat4 Mat4::Inverse()
-{
-    Mat4 result;
-    bx::mtxInverse(result.M, M);
-    return result;
-}
-Mat4 Mat4::Transpose()
-{
-    Mat4 result;
-    bx::mtxTranspose(result.M, M);
-    return result;
-}

src/game/Global.h

@@ -1,186 +1,6 @@
 #pragma once
 
-#include "bx/math.h"
-#include <cfloat>
-
-struct Vec2
-{
-    float x = 0.0f;
-    float y = 0.0f;
-
-    Vec2& operator+=(const Vec2& rhs)
-    {
-        x += rhs.x;
-        y += rhs.y;
-        return *this;
-    }
-
-    friend Vec2 operator+(Vec2 lhs, const Vec2& rhs)
-    {
-        lhs += rhs;
-        return lhs;
-    }
-
-    Vec2& operator-=(const Vec2& rhs)
-    {
-        x -= rhs.x;
-        y -= rhs.y;
-        return *this;
-    }
-
-    friend Vec2 operator-(Vec2 lhs, const Vec2& rhs)
-    {
-        lhs -= rhs;
-        return lhs;
-    }
-
-    Vec2& operator*=(const float rhs)
-    {
-        x *= rhs;
-        y *= rhs;
-        return *this;
-    }
-
-    friend Vec2 operator*(Vec2 lhs, const float rhs)
-    {
-        lhs *= rhs;
-        return lhs;
-    }
-
-    Vec2& operator/=(const float rhs)
-    {
-        x /= rhs;
-        y /= rhs;
-        return *this;
-    }
-
-    friend Vec2 operator/(Vec2 lhs, const float rhs)
-    {
-        lhs /= rhs;
-        return lhs;
-    }
-
-    float Magnitude()
-    {
-        return bx::sqrt(x * x + y * y);
-    }
-
-    Vec2 Normalize()
-    {
-        float mag = Magnitude();
-        if (mag < FLT_EPSILON) return {};
-        return {x / mag, y / mag};
-    }
-};
-
-struct Vec3
-{
-    float x = 0.0f;
-    float y = 0.0f;
-    float z = 0.0f;
-
-    Vec3& operator+=(const Vec3& rhs)
-    {
-        x += rhs.x;
-        y += rhs.y;
-        z += rhs.z;
-        return *this;
-    }
-
-    friend Vec3 operator+(Vec3 lhs, const Vec3& rhs)
-    {
-        lhs += rhs;
-        return lhs;
-    }
-
-    Vec3& operator-=(const Vec3& rhs)
-    {
-        x -= rhs.x;
-        y -= rhs.y;
-        z -= rhs.z;
-        return *this;
-    }
-
-    friend Vec3 operator-(Vec3 lhs, const Vec3& rhs)
-    {
-        lhs -= rhs;
-        return lhs;
-    }
-
-    Vec3& operator*=(const float rhs)
-    {
-        x *= rhs;
-        y *= rhs;
-        z *= rhs;
-        return *this;
-    }
-
-    friend Vec3 operator*(Vec3 lhs, const float rhs)
-    {
-        lhs *= rhs;
-        return lhs;
-    }
-
-    Vec3& operator/=(const float rhs)
-    {
-        x /= rhs;
-        y /= rhs;
-        z /= rhs;
-        return *this;
-    }
-
-    friend Vec3 operator/(Vec3 lhs, const float rhs)
-    {
-        lhs /= rhs;
-        return lhs;
-    }
-
-    float Magnitude()
-    {
-        return bx::sqrt(x * x + y * y + z * z);
-    }
-
-    Vec3 Normalize()
-    {
-        float mag = Magnitude();
-        if (mag < FLT_EPSILON) return {};
-        return {x / mag, y / mag, z / mag};
-    }
-};
-
-struct Vec4
-{
-    float x = 0.0f;
-    float y = 0.0f;
-    float z = 0.0f;
-    float w = 0.0f;
-};
-
-struct Mat3
-{
-    // clang-format off
-    float M[9]{
-        1.0f, 0.0f, 0.0f,
-        0.0f, 1.0f, 0.0f,
-        0.0f, 0.0f, 1.0f,
-    };
-    // clang-format on
-};
-
-struct Mat4
-{
-    // clang-format off
-    float M[16]{
-        1.0, 0.0, 0.0, 0.0,
-        0.0, 1.0, 0.0, 0.0,
-        0.0, 0.0, 1.0, 0.0,
-        0.0, 0.0, 0.0, 1.0,
-    };
-    // clang-format on
-
-    Mat4 Inverse();
-    Mat4 Transpose();
-};
+#include <cstdint>
 
 inline int32_t SetFlags(int32_t in, int32_t flags)
 {
@@ -203,32 +23,6 @@ inline bool GetFlag(int32_t in, int32_t flags)
     return (in & flags) > 0;
 }
 
-struct Transform
-{
-    Mat4 M;
-    Mat4 MI;
-    bx::Vec3 Position{0.0f, 0.0f, 0.0f};
-    Mat4 Rotation;
-    bx::Vec3 Scale{1.0f, 1.0f, 1.0f};
-
-    static void CreateTransform(float* out, bx::Vec3 pos, bx::Quaternion rot, bx::Vec3 scale);
-    void Translate(Vec3 offset);
-    void TranslateLocal(Vec3 offset);
-    void Rotate(bx::Vec3 rotation);
-    void RotateLocal(bx::Vec3 rotation);
-    bx::Vec3 LocalToGlobalPoint(bx::Vec3 local);
-    Vec3 LocalToGlobalDirection(Vec3 local);
-    bx::Vec3 GlobalToLocalPoint(bx::Vec3 global);
-    Vec3 GlobalToLocalDirection(Vec3 global);
-    Vec3 Right() const;
-    Vec3 Up() const;
-    Vec3 Forward() const;
-    void SetPosition(Vec3 pos);
-    Vec3 GetPosition();
-    const float* GetPtr();
-    void UpdateMatrix();
-};
-
 struct SharedData;
 
 namespace Game
@@ -239,5 +33,7 @@ namespace Game
     void SetShared(SharedData& instance);
     GameInstance& GetInstance();
     void SetInstance(GameInstance& instance);
-    void* AllocateScratch(size_t byteCount, size_t align = 16);
+    uint8_t* AllocateScratch(uint64_t byteCount, uint32_t align = 16);
+    bool ResizeLastScratchAlloc(uint64_t newByteCount);
+    void ResetScratch();
 } // namespace Game

src/game/Input.cpp

@@ -2,17 +2,22 @@
 #include "Global.h"
 #include "Input.h"
 #include "imgui.h"
+#include "imgui_internal.h"
 
 namespace Game
 {
+    using namespace Gen;
+
     bool IsKeyboardAllowed()
     {
+        if (GImGui == nullptr) return true;
         auto& IO = ImGui::GetIO();
         return !IO.WantCaptureKeyboard || GetFlag(IO.ConfigFlags, ImGuiConfigFlags_NoKeyboard);
     }
 
     bool IsMouseAllowed()
     {
+        if (GImGui == nullptr) return true;
         auto& IO = ImGui::GetIO();
         return !IO.WantCaptureMouse || GetFlag(IO.ConfigFlags, ImGuiConfigFlags_NoMouse);
     }
@@ -56,4 +61,11 @@ namespace Game
         if (!IsMouseAllowed()) return {};
         return {GetShared().Window.MouseDeltaX, GetShared().Window.MouseDeltaY};
     }
+    Vec2 GetMousePos()
+    {
+        // TODO: fix this!!
+        if (GImGui == nullptr) return {};
+        ImVec2 pos = ImGui::GetMousePos();
+        return {pos.x, pos.y};
+    }
 } // namespace Game

src/game/Input.h

@@ -1,5 +1,5 @@
 #pragma once
-#include "Global.h"
+#include "../gen/Generated.h"
 
 enum class MouseButton
 {
@@ -393,5 +393,6 @@ namespace Game
     bool GetMouseButton(MouseButton button);
     bool GetMouseButtonPressedNow(MouseButton button);
     bool GetMouseButtonReleasedNow(MouseButton button);
-    Vec2 GetMouseMovement();
+    Gen::Vec2 GetMouseMovement();
+    Gen::Vec2 GetMousePos();
 } // namespace Game

src/game/Instance.h

@@ -17,6 +17,12 @@ namespace Game
         Game,
     };
 
+    enum class InteractionMode
+    {
+        Walk,
+        ReadTablet,
+    };
+
     struct Time
     {
         double Now = 0.0;
@@ -28,34 +34,43 @@ namespace Game
 
     struct PlayerData
     {
-        Transform FreeflyCamTransform;
+        Gen::Transform PlayerCamTransform;
+        Gen::Transform FreeflyCamTransform;
+        Gen::Mat4 Projection;
+        Gen::Mat4 ProjectionInverse;
         float FreeflyXRot = 0.0f;
         float FreeflyYRot = 0.0f;
         float WalkXRot = 0.0f;
         float WalkYRot = 0.0f;
-        Transform PlayerCamTransform;
-        CameraMode CameraM = CameraMode::Freefly;
+        CameraMode CameraM = CameraMode::Walk;
         InputMode InputM = InputMode::Game;
+        InteractionMode InteractionM = InteractionMode::Walk;
+        float MouseSensitivity = 1.0f;
+        float MovementSpeed = 10.0f;
+        Gen::SavedPlayerConfig Config;
     };
 
     struct InstanceDebugData
     {
-        uint16_t SelectedDebugLevel = UINT16_MAX;
+        static constexpr uint32_t MaxAssets = 128;
+        uint16_t SelectedDebugLevel = 0;
         uint64_t ImguiIniSize = 0;
         char ImguiIni[4096]{0};
-        static constexpr uint32_t MaxAssets = 128;
         uint32_t AssetCount = 0;
-        uint32_t AssetHandles[MaxAssets]{0};
+        Gen::AssetHandle AssetHandles[MaxAssets]{0};
         char AssetHandlePaths[MaxAssets][128];
         bool ShowImguiDemo = false;
+        bool DebugBreakIDEnabled = false;
+        int DebugBreakID = -1;
         uint8_t DebugCardRotation = 0;
+        bool ShortenLogFileNames = true;
+        bool ShowStats = true;
     };
 
     struct GameInstance
     {
         bool IsInitialized = false;
         uint64_t Size = sizeof(GameInstance);
-        uint64_t UsedScratchAmount = 0;
         Time Time;
         PlayerData Player;
         Level GameLevel;

src/game/Level.cpp

@@ -1,9 +1,16 @@
+#include "../gen/Def.h"
+#include "Gen.h"
 #include "Global.h"
 #include "Input.h"
 #include "Instance.h"
 #include "Level.h"
 #include "Log.h"
 #include "Puzzle.h"
+#include "UI.h"
+#include "bx/bx.h"
+#include "bx/debug.h"
+#include "rendering/Rendering.h"
+
 #include "SDL3/SDL_mouse.h"
 #include "bgfx/bgfx.h"
 #include "bx/error.h"
@@ -11,25 +18,38 @@
 #include "bx/filepath.h"
 #include "bx/string.h"
 #include "imgui.h"
-#include "rendering/Rendering.h"
 #include <SDL3/SDL.h>
 #include <bx/math.h>
 #include <cstdint>
 #include <tracy/Tracy.hpp>
 
+using namespace Gen;
+
 namespace Game
 {
-    void EntityRenderData::Render(const Model* models, const Material* materials)
+    void EntityRenderData::Render(const Model* models, const Material* materials, const Texture* textures)
     {
-        if (ModelHandle == UINT16_MAX || MaterialHandle == UINT16_MAX) return;
+        auto& debug = GetInstance().DebugData;
+        if ((int32_t)debug.DebugBreakID == RenderID && debug.DebugBreakIDEnabled)
+        {
+            bx::debugBreak();
+            debug.DebugBreakIDEnabled = false;
+        }
+
+        if (models == nullptr || materials == nullptr || textures == nullptr) return;
+        if (!Gen::IsValid(ModelH) || MaterialHandle >= EMaterial::EntryCount) return;
         if (!Visible) return;
         auto& rendering = GameRendering::Get();
 
-        Transform.UpdateMatrix();
+        UpdateMatrix(Transform);
         bgfx::setTransform(Transform.M.M);
 
-        const Model& currentModel = models[ModelHandle];
-        const Material& currentMaterial = materials[MaterialHandle];
+        const Model& currentModel = models[ModelH.ModelIdx];
+        const Material& currentMaterial = materials[(uint16_t)MaterialHandle];
+
+        if (!isValid(currentModel.IndexBuffer) || !isValid(currentModel.VertexBuffer)) return;
+        if (!isValid(currentMaterial.Shader)) return;
+
         bgfx::setVertexBuffer(0, currentModel.VertexBuffer);
         bgfx::setIndexBuffer(currentModel.IndexBuffer);
         bgfx::setState(currentMaterial.State);
@@ -38,49 +58,78 @@ namespace Game
         timeValues[0] = GetInstance().Time.Now;
 
         float texInfo[4]{0.0f};
-        texInfo[0] = currentMaterial.Textures[0].Info.width;
-        texInfo[1] = currentMaterial.Textures[0].Info.height;
+        texInfo[0] = textures[0].Info.width;
+        texInfo[1] = textures[0].Info.height;
         texInfo[2] = rendering.DitherTextures.DitherTexWH;
         texInfo[3] = rendering.DitherTextures.DitherTexDepth;
 
-        bgfx::setTexture(0, currentMaterial.Textures[0].SamplerHandle, currentMaterial.Textures[0].Handle);
+        bgfx::UniformHandle sampler = rendering.DefaultSampler;
+        bgfx::TextureHandle tex = rendering.Textures[0].RenderHandle;
+        if (IsValid(TextureHandle))
+        {
+            sampler = textures[TextureHandle.TextureIdx].SamplerHandle;
+            tex = textures[TextureHandle.TextureIdx].RenderHandle;
+            texInfo[0] = textures[TextureHandle.TextureIdx].Info.width;
+            texInfo[1] = textures[TextureHandle.TextureIdx].Info.height;
+        }
+
+        bgfx::setTexture(0, sampler, tex);
         bgfx::setTexture(1, rendering.DitherTextures.DitherSampler, rendering.DitherTextures.FinalTex);
         bgfx::setTexture(2, rendering.DitherTextures.RampSampler, rendering.DitherTextures.RampTex);
         bgfx::setUniform(currentMaterial.Uniforms[Material::UTime], timeValues);
-        bgfx::setUniform(currentMaterial.Uniforms[Material::UDotColor], &TestColor.x);
+        bgfx::setUniform(currentMaterial.Uniforms[Material::UDotColor], &DotColor.x);
         bgfx::setUniform(currentMaterial.Uniforms[Material::UTexInfo], texInfo);
         bgfx::setUniform(currentMaterial.Uniforms[Material::UBaseColor], &BaseColor.x);
 
         bgfx::submit(currentMaterial.ViewID, currentMaterial.Shader);
     }
 
+    void EntityRenderData::LoadFromSaved(const Gen::SavedEntityRenderData& saved)
+    {
+        DotColor = saved.HighlightColor;
+        BaseColor = saved.BaseColor;
+        Transform = saved.TF;
+        // TODO: fix handle indices
+        MaterialHandle = saved.Material;
+        TextureHandle = saved.Texture;
+        ModelH = saved.Model;
+        Visible = saved.Visible;
+    }
+
     namespace
     {
         void UpdatePlayerInputMode()
         {
             bool IsGaming = GetInstance().Player.InputM == InputMode::Game;
-            SDL_SetWindowRelativeMouseMode(GetShared().Window.SDLWindow, IsGaming);
-            auto& IO = ImGui::GetIO();
-            IO.ConfigFlags = FlagBool(IO.ConfigFlags, ImGuiConfigFlags_NoMouse | ImGuiConfigFlags_NoKeyboard, IsGaming);
-            GameRendering::Get().UIVisible = IsGaming ? UIVisibilityState::Game : UIVisibilityState::Debug;
+            bool captureMouse = IsGaming && GetInstance().Player.InteractionM == InteractionMode::Walk;
+            SDL_SetWindowRelativeMouseMode(GetShared().Window.SDLWindow, captureMouse);
+
+            auto& rendering = GameRendering::Get();
+            if (rendering.SetupData.UseImgui)
+            {
+                auto& IO = ImGui::GetIO();
+                IO.ConfigFlags =
+                    FlagBool(IO.ConfigFlags, ImGuiConfigFlags_NoMouse | ImGuiConfigFlags_NoKeyboard, captureMouse);
+            }
+            rendering.UIVisible = IsGaming ? UIVisibilityState::Game : UIVisibilityState::Debug;
         }
     } // namespace
 
     void Level::Setup(GameData& data)
     {
         LOG("Level setup");
-        void* storagePtr = data.EntityStorage;
+        uint8_t* storagePtr = data.EntityArena.Base;
         bool needReset = false;
         needReset |= Cubes.Setup(storagePtr, needReset);
         needReset |= Tests.Setup(storagePtr, needReset);
         needReset |= PuzzleTiles.Setup(storagePtr, needReset);
+        needReset |= PuzzleTileCovers.Setup(storagePtr, needReset);
         needReset |= UIQuads.Setup(storagePtr, needReset);
-
-        UIQuads.IsEnabled = false;
-        Tests.IsEnabled = false;
-        Cubes.IsEnabled = false;
+        needReset |= LevelEntities.Setup(storagePtr, needReset);
 
         Puzzle::Setup();
+        UIQuads.Count = 0;
+        PuzzleTiles.Count = 0;
 
         bx::Error err;
         bx::DirectoryReader dirIter;
@@ -102,10 +151,9 @@ namespace Game
                     fullPath.join(info.filePath);
                     LOG("Loading %s", fullPath.getCPtr());
 
-                    Generated::Deserializer ser;
-                    ser.Init(fullPath);
-                    Generated::PuzzleData dataBuf;
-                    if (ser.ReadT("PZZL", dataBuf))
+                    Gen::Deserializer ser;
+                    Gen::PuzzleData dataBuf;
+                    if (ser.Init(fullPath, "PZZL") && ser.ReadT(dataBuf))
                     {
                         if (dataBuf.ID >= BX_COUNTOF(Puzzles))
                         {
@@ -134,32 +182,113 @@ namespace Game
             LOG_ERROR("Failed to open puzzle dir at %s:\n%s", puzzleDirPath.getCPtr(), err.getMessage().getCPtr());
         }
 
-        if (Cubes.Count == 0)
+        if (!IsValid(PlayerOutsideViewCube))
         {
-            for (uint32_t yy = 0; yy < 11; ++yy)
-            {
-                for (uint32_t xx = 0; xx < 11; ++xx)
-                {
-                    Cube& c = Cubes.Get(Cubes.New());
-                    c.TestX = xx;
-                    c.TestY = yy;
-                    c.Setup();
-                }
-            }
-            Cubes.New(); // Floor
+            PlayerOutsideViewCube = Cubes.New();
+            Cubes.Get(PlayerOutsideViewCube).Setup();
         }
-        if (Tests.Count == 0)
+
         {
-            Tests.Get(Tests.New()).Setup();
+            Deserializer d;
+            d.Init("game/data/static/uiconfig.dat", "UICO");
+            d.ReadT(GetInstance().Player.Config);
+            d.Finish();
         }
+
+        UIQuads.Count = 0;
+        PuzzleTiles.Count = 0;
+        PuzzleTileCovers.Count = 0;
         for (int32_t i = 0; i < BX_COUNTOF(Puzzles); ++i)
         {
-            if (Puzzles[i].Data.ID != UINT16_MAX && !Puzzles[i].IsSetup)
+            if (Puzzles[i].Data.ID != UINT16_MAX)
             {
                 Puzzles[i].Setup();
             }
         }
+
+        PuzzleUI.Setup();
+
+        ReloadLevelEntities();
+
         UpdatePlayerInputMode();
+
+        for (int32_t i = 0; i < BX_COUNTOF(Puzzles); ++i)
+        {
+            Puzzles[i].WorldPosition = {0.0f, 0.0f, i * 50.0f};
+        }
+    }
+
+    bool IsInPuzzle(WorldPuzzle& puz, Vec3 worldPos)
+    {
+        Vec3 offsetToPuzzle = worldPos - puz.WorldPosition + (Vec3{0.5f, 0.0f, 0.5f} * Puzzle::Config::CardScaleWorld);
+        Vec3 scaledOffset = offsetToPuzzle / Puzzle::Config::CardScaleWorld;
+        int32_t offsetX = (int32_t)bx::floor(scaledOffset.x);
+        int32_t offsetY = (int32_t)bx::floor(scaledOffset.z);
+        return (offsetX >= 0 && offsetX < puz.Data.WidthTiles / 2 && offsetY >= -1 &&
+                offsetY < puz.Data.HeightTiles / 2);
+    }
+
+    bool IsOnGround(Level& level, Vec3 worldPos)
+    {
+        for (auto& puz : level.Puzzles)
+        {
+            Vec3 offsetToPuzzle =
+                worldPos - puz.WorldPosition + (Vec3{0.5f, 0.0f, 0.5f} * Puzzle::Config::CardScaleWorld);
+            Vec3 scaledOffset = offsetToPuzzle / Puzzle::Config::CardScaleWorld;
+            int32_t offsetX = (int32_t)bx::floor(scaledOffset.x);
+            int32_t offsetY = puz.Data.HeightTiles / 2 - (int32_t)bx::floor(scaledOffset.z) - 1;
+            float fracOffsetX = scaledOffset.x - offsetX;
+            float fracOffsetY = scaledOffset.z - bx::floor(scaledOffset.z);
+
+            if (offsetX >= 0 && offsetX < puz.Data.WidthTiles / 2 && offsetY >= 0 && offsetY < puz.Data.HeightTiles / 2)
+            {
+                auto& card = puz.Data.PlacedCards[offsetY * Puzzle::Config::MaxPuzzleSizeCards + offsetX];
+                if (card.RefCard.Idx == UINT16_MAX)
+                {
+                    return true;
+                }
+
+                auto& refCard = Puzzle::GetStaticPuzzleData().Cards[card.RefCard.Idx];
+                if (!IsValid(refCard.BaseModelHandle))
+                {
+                    LOG_WARN("missing base model! @ %i %i", offsetX, offsetY);
+                    return true;
+                }
+
+                auto& heightmap = GameRendering::Get().Models[refCard.BaseModelHandle.ModelIdx].Height;
+                int32_t xPos = (int32_t)(fracOffsetX * heightmap.Width);
+                int32_t yPos = (int32_t)(fracOffsetY * heightmap.Height);
+
+                uint8_t height = 0;
+                switch (card.Rotation)
+                {
+                case 0:
+                    height = heightmap.Values[yPos * heightmap.Width + xPos];
+                    break;
+                case 1:
+                    height = heightmap.Values[xPos * heightmap.Width + (heightmap.Height - yPos - 1)];
+                    break;
+                case 2:
+                    height =
+                        heightmap
+                            .Values[(heightmap.Height - yPos - 1) * heightmap.Width + (heightmap.Width - xPos - 1)];
+                    break;
+                default:
+                    height = heightmap.Values[(heightmap.Height - xPos - 1) * heightmap.Width + yPos];
+                    break;
+                }
+                return height >= 110 && height <= 125;
+            }
+            if (offsetX == 1 && offsetY == puz.Data.HeightTiles / Puzzle::Config::CardSize)
+            {
+                if (puz.IsSolved)
+                {
+                    return true;
+                }
+                return true; // TODO!
+            }
+        }
+        return false;
     }
 
     void Level::Update()
@@ -170,9 +299,8 @@ namespace Game
 
         // Input
         float delta = GetInstance().Time.Delta;
-        delta = 1.0f / 144.0f;
-        constexpr float moveSpeed = 10.0f;
-        constexpr float rotSpeed = 0.6f;
+        float moveSpeed = player.MovementSpeed;
+        float rotSpeed = player.MouseSensitivity;
 
         float forwardInput = (GetKey(ScanCode::W) ? 1.0f : 0.0f) + (GetKey(ScanCode::S) ? -1.0f : 0.0f);
         float rightInput = (GetKey(ScanCode::D) ? 1.0f : 0.0f) + (GetKey(ScanCode::A) ? -1.0f : 0.0f);
@@ -180,7 +308,7 @@ namespace Game
         moveInput = bx::normalize(moveInput);
         bx::Vec3 inputVec = {moveInput.x * delta * moveSpeed, 0.0f, moveInput.y * delta * moveSpeed};
         Vec2 mouseMovement = GetMouseMovement();
-        bx::Vec3 rotInput = {mouseMovement.y * delta * rotSpeed, mouseMovement.x * delta * rotSpeed, 0.0f};
+        bx::Vec3 rotInput = {mouseMovement.y * delta * -rotSpeed, mouseMovement.x * delta * -rotSpeed, 0.0f};
 
         if (GetKeyPressedNow(ScanCode::F1))
         {
@@ -206,23 +334,57 @@ namespace Game
             {
                 player.FreeflyXRot += rotInput.x;
                 player.FreeflyYRot += rotInput.y;
-                bx::mtxRotateY(player.FreeflyCamTransform.Rotation.M, player.FreeflyYRot);
-                player.FreeflyCamTransform.RotateLocal({player.FreeflyXRot, 0.0f, 0.0f});
+                bx::mtxRotateXYZ(player.FreeflyCamTransform.Rotation.M, player.FreeflyXRot, player.FreeflyYRot, 0.0f);
             }
 
-            player.FreeflyCamTransform.TranslateLocal({0.0f, 0.0f, -inputVec.z});
-            player.FreeflyCamTransform.TranslateLocal({-inputVec.x, 0.0f, 0.0f});
+            TranslateLocal(player.FreeflyCamTransform, {0.0f, 0.0f, inputVec.z});
+            TranslateLocal(player.FreeflyCamTransform, {inputVec.x, 0.0f, 0.0f});
         }
         else if (player.CameraM == CameraMode::Walk)
         {
-            player.PlayerCamTransform.TranslateLocal({0.0f, 0.0f, -inputVec.z});
-            player.PlayerCamTransform.TranslateLocal({-inputVec.x, 0.0f, 0.0f});
-            player.PlayerCamTransform.Position.y = -3.0f;
+            auto newTransform = player.PlayerCamTransform;
+            // Global and local are inverted because camera
+            Vec3 globalInput = GlobalToLocalDirection(newTransform, {inputVec.x, 0.0f, inputVec.z});
+            Translate(newTransform, globalInput);
+            newTransform.Position.y = 3.0f;
+
+            if (IsOnGround(*this, newTransform.Position))
+            {
+                player.PlayerCamTransform = newTransform;
+            }
+            else
+            {
+                auto newTransform = player.PlayerCamTransform;
+                Translate(newTransform, {globalInput.x, 0.0f, 0.0f});
+                newTransform.Position.y = 3.0f;
+
+                if (IsOnGround(*this, newTransform.Position))
+                {
+                    player.PlayerCamTransform = newTransform;
+                }
+                else
+                {
+                    auto newTransform = player.PlayerCamTransform;
+                    Translate(newTransform, {0.0f, 0.0f, globalInput.z});
+                    newTransform.Position.y = 3.0f;
+
+                    if (IsOnGround(*this, newTransform.Position))
+                    {
+                        player.PlayerCamTransform = newTransform;
+                    }
+                }
+            }
 
             player.WalkXRot += rotInput.x;
             player.WalkYRot += rotInput.y;
-            bx::mtxRotateY(player.PlayerCamTransform.Rotation.M, player.WalkYRot);
-            player.PlayerCamTransform.RotateLocal({player.WalkXRot, 0.0f, 0.0f});
+            bx::mtxRotateXYZ(player.PlayerCamTransform.Rotation.M, player.WalkXRot, player.WalkYRot, 0.0f);
+        }
+
+        if (GetKeyPressedNow(ScanCode::SPACE))
+        {
+            player.InteractionM = player.InteractionM == InteractionMode::ReadTablet ? InteractionMode::Walk
+                                                                                     : InteractionMode::ReadTablet;
+            UpdatePlayerInputMode();
         }
 
         // Cubes
@@ -232,109 +394,235 @@ namespace Game
         }
 
         // Puzzle tiles
+        Puzzle::PuzzleSolver solver;
+        uint16_t activeIdx = GetInstance().DebugData.SelectedDebugLevel;
         for (int32_t i = 0; i < BX_COUNTOF(Puzzles); ++i)
         {
+            if (IsInPuzzle(Puzzles[i], player.PlayerCamTransform.Position))
+            {
+                activeIdx = i;
+            }
+            Puzzles[i].IsActive = activeIdx == i;
             Puzzles[i].Update();
+            Puzzles[i].IsSolved = solver.IsPuzzleSolved(Puzzles[i].Data);
         }
 
+        PuzzleUI.Update(Puzzles[activeIdx].Data, Puzzles[activeIdx].IsSolved);
+
         END_PERF(GetShared().Window.PerfCounters, PerfCounterType::GameLevelUpdate, GetShared().Window.FrameCounter);
     }
 
-    void Level::Render(uint16_t viewId, const Model* models, const Material* materials)
+    void Level::Render(uint16_t viewId, const Model* models, const Material* materials, const Texture* textures)
     {
         ZoneScopedN("Level Render");
         auto& shared = GetShared();
+        auto& player = GetInstance().Player;
 
-        float proj[16];
-        bx::mtxProj(proj,
+        bx::mtxProj(&player.Projection.M[0],
                     75.0f,
                     float(shared.Window.WindowWidth) / float(shared.Window.WindowHeight),
                     0.1f,
                     1000.0f,
                     bgfx::getCaps()->homogeneousDepth);
+        bx::mtxInverse(&player.ProjectionInverse.M[0], &player.Projection.M[0]);
 
-        auto& player = GetInstance().Player;
-        if (player.CameraM == CameraMode::Freefly)
+        bool isFreefly = player.CameraM == CameraMode::Freefly;
+        Cubes.Get(PlayerOutsideViewCube).EData.Visible = isFreefly;
+        if (isFreefly)
         {
-            player.FreeflyCamTransform.UpdateMatrix();
-            bgfx::setViewTransform(viewId, player.FreeflyCamTransform.M.M, proj);
+            UpdateMatrix(player.FreeflyCamTransform);
+            bgfx::setViewTransform(viewId, player.FreeflyCamTransform.MI.M, &player.Projection.M[0]);
         }
         else
         {
-            player.PlayerCamTransform.UpdateMatrix();
-            bgfx::setViewTransform(viewId, player.PlayerCamTransform.M.M, proj);
+            UpdateMatrix(player.PlayerCamTransform);
+            bgfx::setViewTransform(viewId, player.PlayerCamTransform.MI.M, &player.Projection.M[0]);
         }
 
-        Cubes.Render(models, materials);
-        Tests.Render(models, materials);
-        PuzzleTiles.Render(models, materials);
-        UIQuads.Render(models, materials);
+        bgfx::touch(viewId);
+
+        Cubes.Render(models, materials, textures);
+        Tests.Render(models, materials, textures);
+        PuzzleTiles.Render(models, materials, textures);
+        PuzzleTileCovers.Render(models, materials, textures);
+        if (player.InteractionM == InteractionMode::ReadTablet)
+        {
+            UIQuads.Render(models, materials, textures);
+        }
+        LevelEntities.Render(models, materials, textures);
     }
 
     void Cube::Setup()
     {
-        EData.MaterialHandle = 0;
-        EData.ModelHandle = GameRendering::Get().GetModelHandleFromPath("models/cube.gltf");
+        EData.MaterialHandle = EMaterial::UI;
+        EData.ModelH = GameRendering::Get().GetModelHandleFromPath("models/cube.gltf");
     }
 
     void Cube::Update()
     {
-        if (TestX >= 0 && TestY >= 0)
-        {
-            double globalTime = GetInstance().Time.Now;
-            double time = TestY <= 5 ? globalTime * 1.0f : 0.0f;
-            float scale = 1.0f + TestX * 0.4f;
-            EData.Transform.Position = bx::Vec3{TestX * 2.0f, TestY * 2.0f, 0.0f};
-            EData.Transform.Scale = {scale, scale, scale};
-        }
-        else
-        {
-            EData.Transform.Position = {0.0f, -1.0f, 0.0f};
-            EData.Transform.Scale = {100.0f, 1.0f, 100.0f};
-        }
+        EData.Transform.Position = GetInstance().Player.PlayerCamTransform.Position;
+        EData.Transform.Rotation = GetInstance().Player.PlayerCamTransform.Rotation;
+        EData.Transform.Scale = {0.2f, 0.2f, 0.2f};
     }
 
     void TestEntity::Setup()
     {
-        EData.MaterialHandle = 0;
-        EData.ModelHandle = GameRendering::Get().GetModelHandleFromPath("models/zurg.gltf");
-
-        EData.Transform.Position = {0.0f, 0.0f, 0.0f};
+        EData.MaterialHandle = EMaterial::Default;
+        EData.ModelH = GameRendering::Get().GetModelHandleFromPath("models/cube.gltf");
     }
 
     void WorldPuzzle::Setup()
     {
-        auto& level = GetInstance().GameLevel;
+        Level& level = GetInstance().GameLevel;
         for (int32_t i = 0; i < Puzzle::Config::MaxCardsInPuzzle; ++i)
         {
             TileHandles[i] = level.PuzzleTiles.New();
-            UIPlacedCards[i] = level.UIQuads.New();
+            PuzzleTileEntity& tile = level.PuzzleTiles.Get(TileHandles[i]);
+            tile.EData.MaterialHandle = EMaterial::Default;
+
+            for (int32_t j = 0; j < Puzzle::Config::MaxCoversInTile; ++j)
+            {
+                int32_t idx = i * Puzzle::Config::MaxCoversInTile + j;
+                CoverHandles[idx] = level.PuzzleTileCovers.New();
+                PuzzleTileCover& cover = level.PuzzleTileCovers.Get(CoverHandles[idx]);
+                cover.EData.Visible = false;
+            }
         }
+
+        for (int32_t i = 0; i < BX_COUNTOF(EndHandles); ++i)
+        {
+            EndHandles[i] = level.PuzzleTiles.New();
+            PuzzleTileEntity& tile = level.PuzzleTiles.Get(EndHandles[i]);
+            tile.EData.MaterialHandle = EMaterial::Default;
+        }
+
+        WallHandle = level.PuzzleTiles.New();
+        PuzzleTileEntity& wHandle = level.PuzzleTiles.Get(WallHandle);
+        wHandle.EData.MaterialHandle = EMaterial::Default;
+        wHandle.EData.ModelH = GameRendering::Get().GetModelHandleFromPath("models/GateWall.glb");
+
+        DoorHandle = level.PuzzleTiles.New();
+        PuzzleTileEntity& dHandle = level.PuzzleTiles.Get(DoorHandle);
+        dHandle.EData.MaterialHandle = EMaterial::Default;
+        dHandle.EData.ModelH = GameRendering::Get().GetModelHandleFromPath("models/GateDoor.glb");
+
+        IsSetup = true;
+        LOG("finished setup!");
+    }
+
+    Vec3 PuzPosToWorldPos(const PuzzleData& data, int32_t x, int32_t y)
+    {
+        return {
+            (float)x * Puzzle::Config::CardScaleWorld,
+            -5.0f,
+            (float)(data.HeightTiles / 2 - y - 1) * Puzzle::Config::CardScaleWorld,
+        };
     }
 
     void WorldPuzzle::Update()
     {
-        Transform& camTransform = GetInstance().Player.PlayerCamTransform;
-        Vec3 cameraPos = camTransform.GetPosition() * -1;
         Level& level = GetInstance().GameLevel;
+        auto& staticCards = Puzzle::GetStaticPuzzleData().Cards;
+        auto& visuals = Puzzle::GetStaticPuzzleData().Visuals;
 
-        for (int8_t y = 0; y < Data.WidthTiles / Puzzle::Config::CardSize; ++y)
+        // Board
+        for (int8_t y = 0; y < Data.HeightTiles / Puzzle::Config::CardSize; ++y)
         {
             for (int8_t x = 0; x < Data.WidthTiles / Puzzle::Config::CardSize; ++x)
             {
-                Generated::PlacedPuzzleCard& card = Data.PlacedCards[y * Puzzle::Config::MaxPuzzleSizeCards + x];
-                if (!Puzzle::IsValid(card.RefCard))
-                    const Generated::StaticPuzzleCard& cData = Puzzle::GetCard(card.RefCard);
-                auto& tile = level.PuzzleTiles.Get(TileHandles[y * Puzzle::Config::MaxPuzzleSizeCards + x]);
-                tile.EData.ModelHandle = Puzzle::GetStaticPuzzleData().Cards[card.RefCard.Idx].ModelHandle;
-                tile.EData.Transform.SetPosition({(float)card.Position.X, (float)card.Position.Y, 0.0f});
+                int32_t cardIdx = y * Puzzle::Config::MaxPuzzleSizeCards + x;
+                Gen::PlacedPuzzleCard& card = Data.PlacedCards[cardIdx];
+                auto& tile = level.PuzzleTiles.Get(TileHandles[cardIdx]);
 
-                auto& quad = level.UIQuads.Get(UIPlacedCards[y * Puzzle::Config::MaxPuzzleSizeCards + x]);
-                Vec3 fw = {0, -1, 0};
-                // quad.EData.Transform.SetPosition(cameraPos + Vec3{0, -2, 0});
-                quad.EData.Transform.SetPosition({});
-                quad.EData.Transform.Rotation = camTransform.Rotation;
+                bool isValid = Puzzle::IsValid(card.RefCard);
+                auto& staticCard = isValid ? staticCards[card.RefCard.Idx] : staticCards[0];
+
+                // World Tile
+                tile.EData.Visible = true;
+                tile.EData.ModelH = staticCard.BaseModelHandle;
+                tile.EData.TextureHandle = staticCard.ModelTextureHandle;
+
+                tile.EData.DotColor = visuals.TileDotColor;
+                tile.EData.BaseColor = visuals.TileBaseColor;
+
+                Vec3 cardPos = PuzPosToWorldPos(Data, card.Position.X, card.Position.Y);
+                if (!isValid)
+                {
+                    cardPos = PuzPosToWorldPos(Data, x, y);
+                }
+                tile.EData.Transform.Position = cardPos + WorldPosition;
+                bx::mtxRotateY(tile.EData.Transform.Rotation.M, card.Rotation * bx::kPi * -0.5f);
+
+                // Covers
+                if (IsValid(staticCard.BaseModelHandle))
+                {
+                    auto& model = GameRendering::Get().Models[staticCard.BaseModelHandle.ModelIdx];
+                    for (int32_t i = 0; i < model.SocketCount; ++i)
+                    {
+                        auto& cover =
+                            level.PuzzleTileCovers.Get(CoverHandles[cardIdx * Puzzle::Config::MaxCoversInTile + i]);
+                        cover.EData.Visible = IsActive;
+                        cover.EData.ModelH = staticCard.Sockets[i].Model;
+                        cover.EData.Transform = tile.EData.Transform;
+                        cover.EData.MaterialHandle = EMaterial::Default;
+                        cover.EData.BaseColor = {0.2f, 0.1f, 0.7f, 1.0f};
+                        cover.EData.DotColor = {0.2f, 0.2f, 0.8f, 1.0f};
+                        Gen::TranslateLocal(cover.EData.Transform, model.Sockets[i].Pos);
+                        Gen::RotateLocal(cover.EData.Transform, Gen::EulerFromRotation(model.Sockets[i].Rot));
+                    }
+                }
             }
         }
+
+        // End
+        for (int32_t i = 0; i < BX_COUNTOF(EndHandles); ++i)
+        {
+            auto& tile = level.PuzzleTiles.Get(EndHandles[i]);
+            if (i < Data.WidthTiles / 2)
+            {
+                tile.EData.Visible = true;
+                tile.EData.ModelH = staticCards[0].BaseModelHandle;
+                tile.EData.TextureHandle = staticCards[0].ModelTextureHandle;
+                tile.EData.DotColor = visuals.TileDotColor;
+                tile.EData.BaseColor = visuals.TileBaseColor + Vec4{0.1f, 0.1f, 0.1f, 0.0f};
+                tile.EData.Transform.Position = WorldPosition + Vec3{
+                                                                    i * Puzzle::Config::CardScaleWorld,
+                                                                    -5.0f,
+                                                                    (float)Data.HeightTiles / Puzzle::Config::CardSize *
+                                                                        Puzzle::Config::CardScaleWorld,
+                                                                };
+            }
+            else
+            {
+                tile.EData.Visible = false;
+            }
+        }
+        auto& wall = level.PuzzleTiles.Get(WallHandle);
+        wall.EData.Visible = true;
+        wall.EData.Transform.Position =
+            WorldPosition + Vec3{0.0f, 0.0f, Data.HeightTiles * 5.0f} + Vec3{30.0f, -5.0f, 0.2f};
+
+        auto& door = level.PuzzleTiles.Get(DoorHandle);
+        door.EData.Visible = !IsSolved;
+        door.EData.Transform.Position =
+            WorldPosition + Vec3{0.0f, 0.0f, Data.HeightTiles * 5.0f} + Vec3{30.0f, -5.0f, 0.2f};
+    }
+
+    void Level::ReloadLevelEntities()
+    {
+        LevelEntities.Count = 0;
+        for (int32_t i = 0; i < BX_COUNTOF(BackgroundEntityHandles); ++i)
+        {
+            BackgroundEntityHandles[i] = LevelEntities.New();
+            auto& levelBgEntity = LevelEntities.Get(BackgroundEntityHandles[i]);
+            levelBgEntity.EData.LoadFromSaved(GetInstance().Player.Config.BackgroundLevelRenderData[i]);
+        }
+    }
+
+    int32_t GetNextRenderID()
+    {
+        static int32_t RenderIDCounter = 0;
+        RenderIDCounter++;
+        return RenderIDCounter;
     }
 } // namespace Game

src/game/Level.h

@@ -1,141 +1,29 @@
 #pragma once
+
 #include "../engine/Shared.h"
-#include "Global.h"
-#include "Log.h"
+#include "Entity.h"
 #include "Puzzle.h"
+#include "UI.h"
 #include "rendering/Rendering.h"
+
 #include <bgfx/bgfx.h>
 #include <cstdint>
-
-#define ENTITY_HANDLE(X)                                                                                               \
-    struct X                                                                                                           \
-    {                                                                                                                  \
-        uint16_t Idx = UINT16_MAX;                                                                                     \
-    };
-
 namespace Game
 {
-    struct EntityRenderData
-    {
-        Vec4 TestColor{1.0f, 1.0f, 1.0f, 1.0f};
-        Vec4 BaseColor{0.0f, 0.0f, 0.0f, 1.0f};
-        Transform Transform;
-        uint16_t MaterialHandle = UINT16_MAX;
-        uint16_t ModelHandle = UINT16_MAX;
-        bool Visible = true;
-
-        void Render(const Model* models, const Material* materials);
-    };
-
-    ENTITY_HANDLE(CubeHandle);
-    struct Cube
-    {
-        int32_t TestX = -1;
-        int32_t TestY = -1;
-        EntityRenderData EData;
-
-        void Setup();
-        void Update();
-    };
-
-    ENTITY_HANDLE(TestEntityHandle);
-    struct TestEntity
-    {
-        EntityRenderData EData;
-
-        void Setup();
-    };
-
-    ENTITY_HANDLE(PuzzleTileEntityHandle);
-    struct PuzzleTileEntity
-    {
-        EntityRenderData EData;
-    };
-
-    ENTITY_HANDLE(UIQuadEntityHandle);
-    struct UIQuadEntity
-    {
-        EntityRenderData EData;
-    };
-
-    class IEntityManager
-    {
-      public:
-        virtual bool Setup(void*& ptr, bool forceReset) = 0;
-    };
-
-    template <typename T, typename HandleT, uint32_t C> class EntityManager : public IEntityManager
-    {
-      public:
-        uint16_t Count = 0;
-        T* Data = nullptr;
-        uint32_t EntitySize = 0;
-        T InvalidObject{};
-        bool IsEnabled = true;
-
-      public:
-        // Returns true if size changed
-        bool Setup(void*& ptr, bool forceReset)
-        {
-            bool changed = false;
-            if (EntitySize != sizeof(T) || forceReset)
-            {
-                Count = 0;
-                changed = true;
-            }
-            EntitySize = sizeof(T);
-            Data = reinterpret_cast<T*>(ptr);
-            ptr = (uint8_t*)ptr + (C * EntitySize);
-            return changed;
-        }
-
-        HandleT New()
-        {
-            if (Data == nullptr)
-            {
-                ERROR_ONCE("Accessed EntityManager before setup!");
-                return {};
-            }
-            if (Count >= C)
-            {
-                ERROR_ONCE("Too many entities!");
-                return {};
-            }
-            Data[Count] = {};
-            HandleT H;
-            H.Idx = Count;
-            ++Count;
-            return H;
-        }
-
-        T& Get(HandleT handle)
-        {
-            if (handle.Idx > Count)
-            {
-                ERROR_ONCE("OOB Access!");
-                return InvalidObject;
-            }
-            return Data[handle.Idx];
-        }
-
-        void Render(const Model* models, const Material* materials)
-        {
-            if (!IsEnabled) return;
-            for (uint16_t i = 0; i < Count; ++i)
-            {
-                Get({i}).EData.Render(models, materials);
-            }
-        }
-    };
 
     struct WorldPuzzle
     {
-        static constexpr Vec2 WorldCardSize{10.0f, 10.0f};
-        Generated::PuzzleData Data;
-        Vec3 WorldPosition;
+        static constexpr Gen::Vec2 WorldCardSize{10.0f, 10.0f};
+        Gen::PuzzleData Data;
+        Gen::Vec3 WorldPosition;
         PuzzleTileEntityHandle TileHandles[Puzzle::Config::MaxCardsInPuzzle];
-        UIQuadEntityHandle UIPlacedCards[Puzzle::Config::MaxCardsInPuzzle];
+        PuzzleTileCoverHandle CoverHandles[Puzzle::Config::MaxCardsInPuzzle * Puzzle::Config::MaxCoversInTile];
+        PuzzleTileEntityHandle EndHandles[Puzzle::Config::MaxPuzzleSizeCards];
+        PuzzleTileEntityHandle WallHandle;
+        PuzzleTileEntityHandle DoorHandle;
         bool IsSetup = false;
+        bool IsActive = false;
+        bool IsSolved = false;
 
         void Setup();
         void Update();
@@ -146,16 +34,23 @@ namespace Game
       public:
         EntityManager<Cube, CubeHandle, 1024> Cubes;
         EntityManager<TestEntity, TestEntityHandle, 32> Tests;
-        EntityManager<PuzzleTileEntity, PuzzleTileEntityHandle, 1024> PuzzleTiles;
-        EntityManager<UIQuadEntity, UIQuadEntityHandle, 1024> UIQuads;
+        EntityManager<PuzzleTileEntity, PuzzleTileEntityHandle, Puzzle::Config::MaxTilesTotal> PuzzleTiles;
+        EntityManager<PuzzleTileCover, PuzzleTileCoverHandle, Puzzle::Config::MaxCoversTotal> PuzzleTileCovers;
+        UIQuadEntityManager UIQuads;
+        EntityManager<LevelEntity, LevelEntityHandle, 64> LevelEntities;
+
+        CubeHandle PlayerOutsideViewCube;
+        LevelEntityHandle BackgroundEntityHandles[16];
 
       public:
-        Generated::StaticPuzzleData PuzzleData;
-        WorldPuzzle Puzzles[1];
+        Gen::StaticPuzzleData PuzzleData;
+        WorldPuzzle Puzzles[Puzzle::Config::MaxVisiblePuzzles];
+        WorldPuzzleUI PuzzleUI;
 
       public:
         void Setup(GameData& data);
         void Update();
-        void Render(uint16_t ViewID, const Model* models, const Material* materials);
+        void Render(uint16_t ViewID, const Model* models, const Material* materials, const Texture* textures);
+        void ReloadLevelEntities();
     };
 } // namespace Game

src/game/Log.cpp

@@ -1,10 +1,13 @@
 #include "Log.h"
 #include "bx/handlealloc.h"
 #include "bx/hash.h"
+#include "bx/timer.h"
 #include <bx/string.h>
 #define WIN32_LEAN_AND_MEAN
 #include "Windows.h"
 
+#include "Instance.h"
+
 #define ESC "\x1B["
 #define YELLOW ESC "33m"
 #define RED ESC "31m"
@@ -12,9 +15,12 @@
 
 namespace
 {
-    char LineBuffer[1024]{0};
-    char OutBuffer[1024]{0};
+    char LineBuffer[LogInternal::MaxLineSize]{0};
+    char OutBuffer[LogInternal::MaxLineSize]{0};
+    char OutBufferUI[LogInternal::MaxLineSize]{0};
     bx::HandleHashMapT<1024> OnceMap;
+    LogHistory History;
+
     constexpr char LogFormat[]{"%s\n"};
     constexpr char WarnFormat[]{YELLOW "%s" END "\n"};
     constexpr char ErrorFormat[]{RED "%s" END "\n"};
@@ -31,8 +37,18 @@ void Log(ELogType logType, const char* file, uint32_t line, const char* format,
     bx::snprintf(LineBuffer, sizeof(LineBuffer), LineFormat, format);
     bx::vprintf(LineBuffer, args);
     bx::vsnprintf(OutBuffer, sizeof(OutBuffer), LineBuffer, args);
+    bx::vsnprintf(OutBufferUI, sizeof(OutBufferUI), format, args);
     va_end(args);
     OutputDebugStringA(OutBuffer);
+
+    bx::strCopy(&History.LogBuffer[History.WriteIdx * LogInternal::MaxLineSize], LogInternal::MaxLineSize, OutBufferUI);
+    History.WriteTime[History.WriteIdx] = bx::getHPCounter();
+    History.WriteType[History.WriteIdx] = logType;
+    bx::strCopy(&History.FileBuffer[History.WriteIdx * LogInternal::MaxLineSize], LogInternal::MaxLineSize, file);
+    History.LineBuffer[History.WriteIdx] = line;
+
+    ++History.WriteIdx;
+    if (History.WriteIdx >= LogInternal::LogHistorySize) History.WriteIdx = 0;
 }
 
 bool WasLogged(ELogType logType, const char* file, uint32_t line, const char* format)
@@ -48,3 +64,8 @@ bool WasLogged(ELogType logType, const char* file, uint32_t line, const char* fo
     OnceMap.insert(hash, {});
     return false;
 }
+
+LogHistory& GetLogHistory()
+{
+    return History;
+}

src/game/Log.h

@@ -27,5 +27,22 @@ enum class ELogType
     Error,
 };
 
+namespace LogInternal
+{
+    constexpr int32_t MaxLineSize = 1024;
+    constexpr int32_t LogHistorySize = 1024;
+} // namespace LogInternal
+
+struct LogHistory
+{
+    char LogBuffer[LogInternal::MaxLineSize * LogInternal::LogHistorySize]{0};
+    char FileBuffer[LogInternal::MaxLineSize * LogInternal::LogHistorySize]{0};
+    uint32_t LineBuffer[LogInternal::LogHistorySize]{0};
+    int32_t WriteIdx = 0;
+    int64_t WriteTime[LogInternal::LogHistorySize]{0};
+    ELogType WriteType[LogInternal::LogHistorySize]{ELogType::Log};
+};
+
 void Log(ELogType logType, const char* file, uint32_t line, const char* format, ...);
 bool WasLogged(ELogType logType, const char* file, uint32_t line, const char* format);
+LogHistory& GetLogHistory();

src/game/Mesh.cpp

@@ -1,15 +1,19 @@
+#include "Gen.h"
 #include "Global.h"
 #include "Log.h"
 #include "Mesh.h"
+#include "bgfx/bgfx.h"
 #include "bx/bx.h"
 #include "bx/error.h"
 #include "bx/file.h"
 #include "bx/filepath.h"
 #include "bx/hash.h"
 #include "bx/string.h"
+#include "bx/timer.h"
 #include "rendering/Rendering.h"
 
 #include "Instance.h"
+#include <cstdint>
 
 #define TINYGLTF_IMPLEMENTATION
 #define STB_IMAGE_IMPLEMENTATION
@@ -20,6 +24,7 @@ namespace Game
 {
     bool LoadMesh(Model& mesh, const char* path, bool isBinary)
     {
+        bx::strCopy(mesh.Name, sizeof(mesh.Name), path);
         mesh.VertLayout.begin()
             .add(bgfx::Attrib::Position, 3, bgfx::AttribType::Float)
             .add(bgfx::Attrib::Normal, 3, bgfx::AttribType::Float)
@@ -57,23 +62,23 @@ namespace Game
 
         tinygltf::Primitive primitive = model.meshes[0].primitives[0];
         {
-            tinygltf::Accessor accessor = model.accessors.at(primitive.indices);
-            tinygltf::BufferView bufferView = model.bufferViews.at(accessor.bufferView);
-            tinygltf::Buffer buffer = model.buffers[bufferView.buffer];
-            const bgfx::Memory* ibMem = bgfx::alloc(bufferView.byteLength);
-            bx::memCopy(ibMem->data, &buffer.data.at(bufferView.byteOffset), bufferView.byteLength);
+            tinygltf::Accessor indexAccessor = model.accessors.at(primitive.indices);
+            tinygltf::BufferView indexBufferView = model.bufferViews.at(indexAccessor.bufferView);
+            int32_t indexStride = sizeof(uint16_t);
+            tinygltf::Buffer indexBuffer = model.buffers[indexBufferView.buffer];
+            const bgfx::Memory* ibMem = bgfx::alloc(indexBufferView.byteLength);
+            bx::memCopy(ibMem->data, &indexBuffer.data.at(indexBufferView.byteOffset), indexBufferView.byteLength);
             mesh.IndexBuffer = bgfx::createIndexBuffer(ibMem);
-        }
-        {
+
             tinygltf::Accessor posAccessor = model.accessors.at(primitive.attributes.at("POSITION"));
             tinygltf::Accessor normalAccessor = model.accessors.at(primitive.attributes.at("NORMAL"));
             tinygltf::Accessor uvAccessor = model.accessors.at(primitive.attributes.at("TEXCOORD_0"));
             tinygltf::BufferView posBufferView = model.bufferViews[posAccessor.bufferView];
             tinygltf::BufferView normalBufferView = model.bufferViews[normalAccessor.bufferView];
             tinygltf::BufferView uvBufferView = model.bufferViews[uvAccessor.bufferView];
-            int posStride = posAccessor.ByteStride(posBufferView);
-            int normalStride = normalAccessor.ByteStride(normalBufferView);
-            int uvStride = uvAccessor.ByteStride(uvBufferView);
+            int32_t posStride = posAccessor.ByteStride(posBufferView);
+            int32_t normalStride = normalAccessor.ByteStride(normalBufferView);
+            int32_t uvStride = uvAccessor.ByteStride(uvBufferView);
             tinygltf::Buffer posBuffer = model.buffers[posBufferView.buffer];
             tinygltf::Buffer normalBuffer = model.buffers[normalBufferView.buffer];
             tinygltf::Buffer uvBuffer = model.buffers[uvBufferView.buffer];
@@ -91,7 +96,113 @@ namespace Game
                 bx::memCopy(&v.uv_x, &uvBuffer.data.at(uvBufferView.byteOffset + i * uvStride), uvStride);
             }
             mesh.VertexBuffer = bgfx::createVertexBuffer(vbMem, mesh.VertLayout);
+
+            constexpr float SIZE_LIMIT = 1000.0f;
+            mesh.MinPos = {SIZE_LIMIT, SIZE_LIMIT, SIZE_LIMIT};
+            mesh.MaxPos = {-SIZE_LIMIT, -SIZE_LIMIT, -SIZE_LIMIT};
+
+            bx::memSet(mesh.Height.Values, 0, BX_COUNTOF(mesh.Height.Values));
+
+            int64_t startTime = bx::getHPCounter();
+            for (int32_t i = 0; i < vertexCount; ++i)
+            {
+                Gen::Vec3* pos =
+                    reinterpret_cast<Gen::Vec3*>(&posBuffer.data[posBufferView.byteOffset + i * posStride]);
+                if (pos->x < mesh.MinPos.x) mesh.MinPos.x = pos->x;
+                if (pos->y < mesh.MinPos.y) mesh.MinPos.y = pos->y;
+                if (pos->z < mesh.MinPos.z) mesh.MinPos.z = pos->z;
+                if (pos->x > mesh.MaxPos.x) mesh.MaxPos.x = pos->x;
+                if (pos->y > mesh.MaxPos.y) mesh.MaxPos.y = pos->y;
+                if (pos->z > mesh.MaxPos.z) mesh.MaxPos.z = pos->z;
+            }
+            LOG("min/max: %lli", bx::getHPCounter() - startTime);
+
+            mesh.MinPos = {-5.0f, -5.0f, -5.0f};
+            mesh.MaxPos = {5.0f, 5.0f, 5.0f};
+            mesh.Size = mesh.MaxPos - mesh.MinPos;
+
+            startTime = bx::getHPCounter();
+            for (uint32_t v = 0; v < HeightMap::Height; ++v)
+            {
+                float vPos = mesh.MinPos.z + (float)v / HeightMap::Height * mesh.Size.z;
+
+                for (uint32_t u = 0; u < HeightMap::Width; ++u)
+                {
+                    float uPos = mesh.MinPos.x + (float)u / HeightMap::Width * mesh.Size.x;
+
+                    Gen::Vec3 rayStart = {uPos, -100.0f, vPos};
+                    Gen::Vec3 rayEnd = {uPos, 100.0f, vPos};
+                    Gen::Vec3 ptOut;
+
+                    for (int16_t i = 0; i < indexBufferView.byteLength; i += indexStride * 3)
+                    {
+                        uint16_t* idxA = reinterpret_cast<uint16_t*>(&indexBuffer.data[indexBufferView.byteOffset + i]);
+                        uint16_t* idxB = reinterpret_cast<uint16_t*>(
+                            &indexBuffer.data[indexBufferView.byteOffset + i + 1 * indexStride]);
+                        uint16_t* idxC = reinterpret_cast<uint16_t*>(
+                            &indexBuffer.data[indexBufferView.byteOffset + i + 2 * indexStride]);
+                        Gen::Vec3* triA =
+                            reinterpret_cast<Gen::Vec3*>(&posBuffer.data[posBufferView.byteOffset + *idxA * posStride]);
+                        Gen::Vec3* triB =
+                            reinterpret_cast<Gen::Vec3*>(&posBuffer.data[posBufferView.byteOffset + *idxB * posStride]);
+                        Gen::Vec3* triC =
+                            reinterpret_cast<Gen::Vec3*>(&posBuffer.data[posBufferView.byteOffset + *idxC * posStride]);
+                        if (Gen::RayTriangleIntersect(rayStart, rayEnd, *triA, *triB, *triC, ptOut))
+                        {
+                            float len = ptOut.y - rayStart.y;
+                            uint8_t val = (uint8_t)(len / mesh.Size.y * UINT8_MAX);
+                            int32_t idx = v * HeightMap::Width + u;
+                            if (mesh.Height.Values[idx] < val)
+                            {
+                                mesh.Height.Values[idx] = val;
+                            }
+                            if (len < 0.0f)
+                            {
+                                LOG_ONCE("%f / %f = %u", len, mesh.Size.y, val);
+                            }
+                        }
+                    }
+                }
+            }
+            LOG("heightmap: %lli", bx::getHPCounter() - startTime);
         }
+
+        const bgfx::Memory* mem = bgfx::makeRef(&mesh.Height.Values[0], sizeof(mesh.Height.Values));
+        mesh.HeightMapTexture =
+            bgfx::createTexture2D(HeightMap::Width, HeightMap::Height, false, 1, bgfx::TextureFormat::R8, 0, mem);
+
+        for (auto& node : model.nodes)
+        {
+            if (bx::strFindI(node.name.c_str(), "_slot_").getLength() > 0)
+            {
+                if (mesh.SocketCount >= mesh.MaxSocketCount)
+                {
+                    LOG_WARN("Too many sockets on mesh!");
+                    break;
+                }
+                auto& socket = mesh.Sockets[mesh.SocketCount];
+                if (node.translation.size() >= 3)
+                {
+                    socket.Pos.x = node.translation[0];
+                    socket.Pos.y = node.translation[1];
+                    socket.Pos.z = node.translation[2];
+                }
+                if (node.rotation.size() >= 4)
+                {
+                    socket.Rot = Gen::RotationFromQuaternion({static_cast<float>(node.rotation[0]),
+                                                              static_cast<float>(node.rotation[1]),
+                                                              static_cast<float>(node.rotation[2]),
+                                                              static_cast<float>(node.rotation[3])});
+                }
+                if (node.matrix.size() >= 0)
+                {
+                    LOG_WARN("TODO: support matrix!");
+                }
+                bx::strCopy(&socket.Name[0], socket.MaxSocketNameLength, node.name.c_str());
+                ++mesh.SocketCount;
+            }
+        }
+
         return true;
     }
 
@@ -133,6 +244,7 @@ namespace Game
         }
         LOG("Found %u models!", modelFilePathCount);
 
+        auto& inst = GetInstance();
         int32_t writeI = 0;
         for (int32_t i = 0; i < modelFilePathCount; ++i)
         {
@@ -141,11 +253,11 @@ namespace Game
             Model& mod = models[writeI];
             if (LoadMesh(mod, fullPath.getCPtr(), modelFileIsBinary[i]))
             {
-                mod.AssetHandle = CrcPath(fullPath.getCPtr());
-                auto& inst = GetInstance();
+                mod.Handle.Asset.Idx = CrcPath(fullPath.getCPtr());
+                mod.Handle.ModelIdx = writeI;
                 if (inst.DebugData.AssetCount < inst.DebugData.MaxAssets)
                 {
-                    inst.DebugData.AssetHandles[inst.DebugData.AssetCount] = mod.AssetHandle;
+                    inst.DebugData.AssetHandles[inst.DebugData.AssetCount] = mod.Handle.Asset;
                     bx::strCopy(inst.DebugData.AssetHandlePaths[inst.DebugData.AssetCount],
                                 sizeof(inst.DebugData.AssetHandlePaths[inst.DebugData.AssetCount]),
                                 fullPath.getCPtr());

src/game/Puzzle.cpp

@@ -1,5 +1,6 @@
+#include "../gen/Def.h"
+#include "Gen.h"
 #include "Global.h"
-#include "Instance.h"
 #include "Log.h"
 #include "Puzzle.h"
 
@@ -7,24 +8,26 @@
 #include "bx/string.h"
 #include "imgui.h"
 #include <cassert>
-#include <cstdio>
 
 namespace
 {
-    static constexpr Generated::PuzPos Dirs[4]{
+    using namespace Gen;
+    static constexpr PuzPos Dirs[4]{
         {-1, 0},
         {0, -1},
         {0, 1},
         {1, 0},
     };
 
-    Generated::StaticPuzzleData StaticData;
+    StaticPuzzleData StaticData;
+    StaticPuzzleCard InvalidCard;
+    PlacedPuzzleCard InvalidPlacedCard;
 } // namespace
 
 namespace Puzzle
 {
     constexpr float UIPuzBoxSize = 26;
-    using namespace Generated;
+    using namespace Gen;
 
     void Setup()
     {
@@ -40,8 +43,7 @@ namespace Puzzle
     void LoadStaticPuzzleData()
     {
         Deserializer ser;
-        ser.Init("game/data/static/puzzle.dat");
-        if (ser.ReadT("SPUZ", StaticData))
+        if (ser.Init("game/data/static/puzzle.dat", "SPUZ") && ser.ReadT(StaticData))
         {
             LOG("Successfully loaded static puzzle data!");
         }
@@ -52,8 +54,7 @@ namespace Puzzle
     {
         auto& data = GetStaticPuzzleData();
         Serializer ser;
-        ser.Init("game/data/static/puzzle.dat");
-        if (ser.WriteT("SPUZ", GetStaticPuzzleData()))
+        if (ser.Init("game/data/static/puzzle.dat", "SPUZ") && ser.WriteT(GetStaticPuzzleData()))
         {
             LOG("Successfully saved static puzzle data!");
         }
@@ -61,7 +62,11 @@ namespace Puzzle
     }
     const StaticPuzzleCard& GetCard(StaticPuzzleCardHandle H)
     {
-        assert(IsValid(H));
+        if (H.Idx == UINT16_MAX)
+        {
+            LOG_ERROR("Invalid static card handle!");
+            return InvalidCard;
+        }
         return GetStaticPuzzleData().Cards[H.Idx];
     }
 
@@ -83,22 +88,38 @@ namespace Puzzle
 
     PuzzleElementType::Enum GetNodeAt(const PuzzleData& puz, PuzPos pos)
     {
-        assert(pos.X < Puzzle::Config::MaxPuzzleSizeCards && pos.Y < Puzzle::Config::MaxPuzzleSizeCards && pos.X >= 0 &&
+        assert(pos.X < Puzzle::Config::MaxPuzzleSizeTiles && pos.Y < Puzzle::Config::MaxPuzzleSizeTiles && pos.X >= 0 &&
                pos.Y >= 0);
-        // TODO: this is horrible
-        for (int32_t i = 0; i < puz.PlacedCardCount; ++i)
+        int32_t cardIdxX = pos.X / Puzzle::Config::CardSize;
+        int32_t cardIdxY = pos.Y / Puzzle::Config::CardSize;
+        auto& card = puz.PlacedCards[cardIdxY * Puzzle::Config::MaxPuzzleSizeCards + cardIdxX];
+        int32_t offsetX = pos.X - (cardIdxX * Config::CardSize);
+        int32_t offsetY = pos.Y - (cardIdxY * Config::CardSize);
+        if (offsetX >= 0 && offsetX < Puzzle::Config::CardSize && offsetY >= 0 && offsetY < Puzzle::Config::CardSize &&
+            IsValid(card.RefCard))
         {
-            auto& card = puz.PlacedCards[i];
-            int8_t offsetX = pos.X - card.Position.X;
-            int8_t offsetY = pos.Y - card.Position.Y;
-            if (offsetX >= 0 && offsetX < Puzzle::Config::CardSize && offsetY >= 0 &&
-                offsetY < Puzzle::Config::CardSize)
-            {
-                PuzzleElementType::Enum cardVal = GetCardNodeAt(GetCard(card.RefCard), card.Rotation, offsetX, offsetY);
-                if (cardVal != PuzzleElementType::None) return cardVal;
-            }
+            PuzzleElementType::Enum cardVal = GetCardNodeAt(GetCard(card.RefCard), card.Rotation, offsetX, offsetY);
+            if (cardVal != PuzzleElementType::None) return cardVal;
         }
-        return puz.BackgroundTiles[pos.Y * Puzzle::Config::MaxPuzzleSizeCards + pos.X];
+        return puz.BackgroundTiles[pos.Y * Puzzle::Config::MaxPuzzleSizeTiles + pos.X];
+    }
+
+    PuzzleElementType::Enum GetInitialNodeAt(const PuzzleData& puz, PuzPos pos)
+    {
+        assert(pos.X < Puzzle::Config::MaxPuzzleSizeTiles && pos.Y < Puzzle::Config::MaxPuzzleSizeTiles && pos.X >= 0 &&
+               pos.Y >= 0);
+        int32_t cardIdxX = pos.X / Puzzle::Config::CardSize;
+        int32_t cardIdxY = pos.Y / Puzzle::Config::CardSize;
+        auto& card = puz.InitialPlacedCards[cardIdxY * Puzzle::Config::MaxPuzzleSizeCards + cardIdxX];
+        int32_t offsetX = pos.X - (cardIdxX * Config::CardSize);
+        int32_t offsetY = pos.Y - (cardIdxY * Config::CardSize);
+        if (offsetX >= 0 && offsetX < Puzzle::Config::CardSize && offsetY >= 0 && offsetY < Puzzle::Config::CardSize &&
+            IsValid(card.RefCard))
+        {
+            PuzzleElementType::Enum cardVal = GetCardNodeAt(GetCard(card.RefCard), card.Rotation, offsetX, offsetY);
+            if (cardVal != PuzzleElementType::None) return cardVal;
+        }
+        return puz.BackgroundTiles[pos.Y * Puzzle::Config::MaxPuzzleSizeTiles + pos.X];
     }
 
     PuzzleElementType::Enum GetCardNodeAt(const StaticPuzzleCard& card, uint8_t rotation, int8_t x, int8_t y)
@@ -170,6 +191,11 @@ namespace Puzzle
     bool PuzzleSolver::IsExitSatisfied(const PuzzleData& puzzle, PuzPos pos)
     {
         PuzzleElementType::Enum goalType = GetNodeAt(puzzle, pos);
+        if (goalType == PuzzleElementType::None)
+        {
+            WARN_ONCE("TODO!");
+            return false;
+        }
 
         uint32_t currentPositionQueueIdx = 0;
         uint32_t positionQueueCount = 0;
@@ -177,21 +203,36 @@ namespace Puzzle
 
         positionQueue[0] = pos;
         positionQueueCount++;
-        while (positionQueueCount > 0)
+        while (currentPositionQueueIdx < positionQueueCount)
         {
             assert(currentPositionQueueIdx < Puzzle::Config::MaxTilesInPuzzle);
             PuzPos currentPos = positionQueue[currentPositionQueueIdx];
             for (PuzPos dir : Dirs)
             {
                 PuzPos nextPos = currentPos + dir;
+                if (!(nextPos.X >= 0 && nextPos.Y >= 0 && nextPos.X < puzzle.WidthTiles &&
+                      nextPos.Y < puzzle.HeightTiles))
+                    continue;
                 if (IsValidGoalConnection(puzzle, nextPos, currentPos, goalType))
                 {
                     if (IsValidSource(GetNodeAt(puzzle, nextPos), goalType))
                     {
                         return true;
                     }
-                    positionQueue[positionQueueCount] = nextPos;
-                    positionQueueCount++;
+                    bool found = false;
+                    for (int32_t i = 0; i < positionQueueCount; ++i)
+                    {
+                        if (positionQueue[i].X == nextPos.X && positionQueue[i].Y == nextPos.Y)
+                        {
+                            found = true;
+                            break;
+                        }
+                    }
+                    if (!found)
+                    {
+                        positionQueue[positionQueueCount] = nextPos;
+                        positionQueueCount++;
+                    }
                 }
             }
             currentPositionQueueIdx++;
@@ -210,14 +251,14 @@ namespace Puzzle
         if (goalType == PuzzleElementType::WaterGoal)
         {
             return from == PuzzleElementType::WaterIn || from == PuzzleElementType::WaterChannel ||
-                   from == PuzzleElementType::WaterGoal;
+                   from == PuzzleElementType::WaterGoal || from == PuzzleElementType::Bridge;
         }
         else if (goalType == PuzzleElementType::ElectricGoal)
         {
             return from == PuzzleElementType::ElectricIn || from == PuzzleElementType::ElectricGoal ||
                    from == PuzzleElementType::None;
         }
-        assert(false);
+        // assert(false);
         return false;
     }
     bool PuzzleSolver::IsValidSource(PuzzleElementType::Enum sourceType, PuzzleElementType::Enum goalType)
@@ -254,16 +295,128 @@ namespace Puzzle
         ImGui::InvisibleButton("cardbn",
                                {Puzzle::Config::CardSize * UIPuzBoxSize, Puzzle::Config::CardSize * UIPuzBoxSize});
     }
+    void RotateCard(PlacedPuzzleCard& card)
+    {
+        card.Rotation += 1;
+        if (card.Rotation >= 4) card.Rotation = 0;
+    }
 
     void WritePuzzleFilePath(char* buf, int32_t bufSize, uint16_t puzID)
     {
         bx::snprintf(buf, bufSize, "%s/%u.pzl", Puzzle::PuzzleFileDir, puzID);
     }
 
+    PlacedPuzzleCard& GetCardAt(PuzzleData& obj, PuzPos pos)
+    {
+        if (pos.X < 0 || pos.X >= Config::MaxPuzzleSizeCards || pos.Y < 0 || pos.Y >= Config::MaxPuzzleSizeCards)
+        {
+            LOG_ERROR("Invalid card access at %i %i!!", pos.X, pos.Y);
+            return InvalidPlacedCard;
+        }
+        return obj.PlacedCards[pos.Y * Config::MaxPuzzleSizeCards + pos.X];
+    }
+
+    PlacedPuzzleCard& GetInitialCardAt(PuzzleData& obj, PuzPos pos)
+    {
+        if (pos.X < 0 || pos.X >= Config::MaxPuzzleSizeCards || pos.Y < 0 || pos.Y >= Config::MaxPuzzleSizeCards)
+        {
+            LOG_ERROR("Invalid card access at %i %i!!", pos.X, pos.Y);
+            return InvalidPlacedCard;
+        }
+        return obj.InitialPlacedCards[pos.Y * Config::MaxPuzzleSizeCards + pos.X];
+    }
+
+    bool ReturnPlacedCard(PuzzleData& obj, PuzPos targetPos)
+    {
+        PlacedPuzzleCard& placedCard = GetCardAt(obj, targetPos);
+        if (IsValid(placedCard.RefCard))
+        {
+            if (GetFlag(placedCard.Flags, PlacedPuzzleCardFlags::Locked))
+            {
+                LOG_WARN("Card at %i %i is locked!", targetPos.X, targetPos.Y);
+                return false;
+            }
+            bool found = false;
+            for (int32_t i = 0; i < obj.AvailableCardCount; ++i)
+            {
+                if (obj.AvailableCards[i].RefCard.Idx == placedCard.RefCard.Idx && obj.AvailableCards[i].UsedCount > 0)
+                {
+                    obj.AvailableCards[i].UsedCount--;
+                    found = true;
+                    break;
+                }
+            }
+            if (!found)
+            {
+                LOG_ERROR("Failed to find available card to return placed card of type %u to!", placedCard.RefCard.Idx);
+                return false;
+            }
+            placedCard.RefCard = {};
+        }
+        return true;
+    }
+
+    bool DragAvailableCardTo(PuzzleData& obj, PuzPos targetPos, int32_t availIdx, uint8_t rotation)
+    {
+        if (availIdx >= obj.AvailableCardCount)
+        {
+            LOG_ERROR("Invalid drag with avail idx %i!", availIdx);
+            return false;
+        }
+        if (!ReturnPlacedCard(obj, targetPos)) return false;
+
+        auto& draggedCard = obj.AvailableCards[availIdx];
+        draggedCard.UsedCount++;
+
+        PlacedPuzzleCard& placedCard = GetCardAt(obj, targetPos);
+        placedCard.RefCard = draggedCard.RefCard;
+        placedCard.Flags = (PlacedPuzzleCardFlags::Enum)ClearFlags(placedCard.Flags, PlacedPuzzleCardFlags::Locked);
+        placedCard.Position = targetPos;
+        placedCard.Rotation = rotation;
+        return true;
+    }
+
+    void RecalculateInitialAvailable(PuzzleData& obj)
+    {
+        for (int32_t i = 0; i < obj.AvailableCardCount; ++i)
+        {
+            obj.AvailableCards[i].UsedCount = obj.AvailableCards[i].MaxAvailableCount;
+        }
+
+        for (int32_t y = 0; y < obj.HeightTiles; ++y)
+        {
+            for (int32_t x = 0; x < obj.WidthTiles; ++x)
+            {
+                auto& placedCard = obj.PlacedCards[y * Puzzle::Config::MaxPuzzleSizeCards + x];
+                if (Puzzle::IsValid(placedCard.RefCard))
+                {
+                    bool found = false;
+                    for (int32_t i = 0; i < obj.AvailableCardCount; ++i)
+                    {
+                        if (obj.AvailableCards[i].RefCard.Idx == placedCard.RefCard.Idx)
+                        {
+                            found = true;
+                            obj.AvailableCards[i].MaxAvailableCount++;
+                        }
+                    }
+                    if (!found)
+                    {
+                        if (obj.AvailableCardCount == Puzzle::Config::MaxAvailableStacks)
+                        {
+                            LOG_ERROR("Read limit of available card stacks!");
+                            break;
+                        }
+                        obj.AvailableCards[obj.AvailableCardCount] = {};
+                        obj.AvailableCards[obj.AvailableCardCount].RefCard = placedCard.RefCard;
+                        obj.AvailableCards[obj.AvailableCardCount].MaxAvailableCount = 1;
+                    }
+                }
+            }
+        }
+    }
+
     bool RenderDebugUI(PuzzleData& obj)
     {
-        bool dataChanged = false;
-
         bool isVisible = true;
         if (ImGui::Begin("Puzzle", &isVisible))
         {
@@ -271,23 +424,40 @@ namespace Puzzle
             {
                 char filepath[128]{0};
                 WritePuzzleFilePath(filepath, sizeof(filepath), obj.ID);
-                remove(filepath);
+                bx::remove(filepath);
                 obj.ID = UINT16_MAX;
                 ImGui::End();
                 return false;
             }
             ImGui::SameLine();
-            if (ImGui::Button("Reload"))
+            if (ImGui::Button("Reset"))
             {
-                // TODO
+                ResetPuzzle(obj);
             }
+            ImGui::SameLine();
+            if (ImGui::Button("Save"))
+            {
+                ResetPuzzle(obj);
+                char path[128]{0};
+                WritePuzzleFilePath(path, sizeof(path), obj.ID);
+                Serializer ser;
+                if (ser.Init(path, "PZZL") && ser.WriteT(obj))
+                {
+                    LOG("Saved to %s", path);
+                }
+                else
+                {
+                    LOG_ERROR("Failed to save to %s", path);
+                }
+                ser.Finish();
+            }
+
             int32_t val = obj.ID;
             if (ImGui::InputInt("ID", &val))
             {
                 obj.ID = val;
-                dataChanged = true;
             }
-            dataChanged = ImGui::InputText("Name", obj.PuzzleName, sizeof(obj.PuzzleName)) || dataChanged;
+            ImGui::InputText("Name", obj.PuzzleName, sizeof(obj.PuzzleName));
 
             int32_t W = obj.WidthTiles;
             int32_t H = obj.HeightTiles;
@@ -296,7 +466,6 @@ namespace Puzzle
             if (ImGui::DragInt("", &W, 0.3f, 0, Puzzle::Config::MaxPuzzleSizeTiles))
             {
                 obj.WidthTiles = uint8_t(W);
-                dataChanged = true;
             }
             ImGui::PopID();
             ImGui::SameLine();
@@ -307,34 +476,76 @@ namespace Puzzle
             if (ImGui::DragInt("", &H, 0.3f, 0, Puzzle::Config::MaxPuzzleSizeTiles))
             {
                 obj.HeightTiles = uint8_t(H);
-                dataChanged = true;
             }
             ImGui::PopID();
 
             ImVec2 puzCursorStart = ImGui::GetCursorScreenPos();
             auto& drawList = *ImGui::GetWindowDrawList();
 
+            obj.GoalPositionCount = 0;
             for (int32_t y = 0; y < obj.HeightTiles; ++y)
             {
                 ImGui::PushID(y);
                 for (int32_t x = 0; x < obj.WidthTiles; ++x)
                 {
                     ImGui::PushID(x);
-                    auto node = GetNodeAt(obj, {int8_t(x), int8_t(y)});
+                    PuzPos nodePos = {int8_t(x), int8_t(y)};
+                    auto node = GetInitialNodeAt(obj, nodePos);
+                    if (node == PuzzleElementType::WaterGoal)
+                    {
+                        obj.GoalPositions[obj.GoalPositionCount] = nodePos;
+                        obj.GoalPositionCount++;
+                    }
+
                     ImVec2 pos = ImVec2{puzCursorStart.x + x * UIPuzBoxSize + 5, puzCursorStart.y + y * UIPuzBoxSize};
                     ImGui::SetCursorScreenPos(pos);
                     ImGui::Text("%s", GetShortNodeName(node));
                     ImGui::SetCursorScreenPos(pos);
                     if (x % Puzzle::Config::CardSize == 0 && y % Puzzle::Config::CardSize == 0)
                     {
+                        PuzPos cardPos = {int8_t(x / Config::CardSize), int8_t(y / Config::CardSize)};
+                        PlacedPuzzleCard& placedCard = GetInitialCardAt(obj, cardPos);
+                        bool isLocked = GetFlag(placedCard.Flags, PlacedPuzzleCardFlags::Locked);
+
                         ImGui::InvisibleButton("bn", {UIPuzBoxSize * 2, UIPuzBoxSize * 2});
+                        if (ImGui::IsItemClicked(ImGuiMouseButton_Right))
+                        {
+                            placedCard.Rotation += 1;
+                            if (placedCard.Rotation >= 4) placedCard.Rotation = 0;
+                        }
+                        if (ImGui::IsItemClicked(ImGuiMouseButton_Middle))
+                        {
+                            if (ImGui::IsKeyDown(ImGuiKey_LeftShift))
+                            {
+                                placedCard = {};
+                            }
+                            else
+                            {
+                                placedCard.Flags =
+                                    (PlacedPuzzleCardFlags::Enum)(placedCard.Flags ^ PlacedPuzzleCardFlags::Locked);
+                                RecalculateInitialAvailable(obj);
+                            }
+                        }
+                        if (!isLocked && IsValid(placedCard.RefCard))
+                        {
+                            ImVec2 s = {puzCursorStart.x + x * UIPuzBoxSize, puzCursorStart.y + y * UIPuzBoxSize};
+                            drawList.AddRectFilled(s,
+                                                   {s.x + UIPuzBoxSize * Puzzle::Config::CardSize,
+                                                    s.y + UIPuzBoxSize * Puzzle::Config::CardSize},
+                                                   0x33FFFFFF);
+                        }
                         if (ImGui::BeginDragDropTarget())
                         {
                             if (const ImGuiPayload* payload = ImGui::AcceptDragDropPayload("cardtype", 0))
                             {
                                 uint32_t CardIdx = *reinterpret_cast<uint32_t*>(payload->Data);
-                                obj.PlacedCards[obj.PlacedCardCount].RefCard = {(uint16_t)CardIdx};
-                                obj.PlacedCardCount++;
+                                placedCard = {};
+                                placedCard.RefCard = {(uint16_t)CardIdx};
+                                placedCard.Rotation = 0;
+                                placedCard.Position = cardPos;
+                                placedCard.Flags = (PlacedPuzzleCardFlags::Enum)SetFlags(placedCard.Flags,
+                                                                                         PlacedPuzzleCardFlags::Locked);
+                                RecalculateInitialAvailable(obj);
                             }
                             ImGui::EndDragDropTarget();
                         }
@@ -364,6 +575,11 @@ namespace Puzzle
 
             ImGui::SetCursorScreenPos(pos);
             ImGui::NewLine();
+            ImGui::Separator();
+
+            PuzzleSolver solver;
+            ImGui::Text("Solved: %s", solver.IsPuzzleSolved(obj) ? "yes!" : "no.");
+
             bool bAvailOpen =
                 ImGui::TreeNodeEx("Available Cards", ImGuiTreeNodeFlags_DefaultOpen | ImGuiTreeNodeFlags_Framed);
             if (ImGui::BeginDragDropTarget())
@@ -395,72 +611,57 @@ namespace Puzzle
                             obj.AvailableCardCount++;
                         }
                     }
-                    dataChanged = true;
                 }
                 ImGui::EndDragDropTarget();
             }
             if (bAvailOpen)
             {
-                uint8_t debugRot = Game::GetInstance().DebugData.DebugCardRotation;
+                ImVec2 startPos = ImGui::GetCursorScreenPos();
                 for (uint32_t i = 0; i < obj.AvailableCardCount; ++i)
                 {
+                    ImVec2 localPos = {startPos.x + i * 60.0f, startPos.y};
+                    ImGui::SetCursorScreenPos(localPos);
+                    ImGui::PushID(i);
                     auto& card = obj.AvailableCards[i];
-                    DrawCard(GetCard(card.RefCard), debugRot, ImGui::GetCursorScreenPos());
-                    if (ImGui::BeginDragDropSource())
+                    DrawCard(GetCard(card.RefCard), 0, ImGui::GetCursorScreenPos());
+                    int displayCount = card.MaxAvailableCount - card.UsedCount;
+
+                    ImGui::SetCursorScreenPos({localPos.x, localPos.y + 55.0f});
+                    ImGui::SetNextItemWidth(35);
+                    ImGui::PushID("carc");
+                    if (ImGui::DragInt("", &displayCount, 0.25f))
                     {
-                        ImGui::SetDragDropPayload("availcard", &i, sizeof(i));
-                        DrawCard(GetCard(card.RefCard), debugRot, ImGui::GetCursorScreenPos());
-                        ImGui::EndDragDropSource();
+                        int diff = displayCount - (card.MaxAvailableCount - card.UsedCount);
+                        card.MaxAvailableCount = bx::max(0, card.MaxAvailableCount + diff);
                     }
+                    ImGui::PopID();
+                    ImGui::SameLine(0, 3);
+                    if (ImGui::Button("x"))
+                    {
+                        if (i < obj.AvailableCardCount - 1)
+                        {
+                            obj.AvailableCards[i] = obj.AvailableCards[obj.AvailableCardCount - 1];
+                        }
+                        obj.AvailableCardCount--;
+                    }
+                    ImGui::PopID();
                 }
                 ImGui::TreePop();
             }
         }
         ImGui::End();
 
-        if (dataChanged)
-        {
-            char path[128]{0};
-            WritePuzzleFilePath(path, sizeof(path), obj.ID);
-            Serializer ser;
-            ser.Init(path);
-            if (ser.WriteT("PZZL", obj))
-            {
-                LOG("Saved to %s", path);
-            }
-            else
-            {
-                LOG_ERROR("Failed to save to %s", path);
-            }
-            ser.Finish();
-        }
-
         return isVisible;
     }
+    void ResetPuzzle(PuzzleData& puz)
+    {
+        for (int32_t i = 0; i < puz.AvailableCardCount; ++i)
+        {
+            puz.AvailableCards[i].UsedCount = 0;
+        }
+        for (int32_t i = 0; i < BX_COUNTOF(puz.PlacedCards); ++i)
+        {
+            puz.PlacedCards[i] = puz.InitialPlacedCards[i];
+        }
+    }
 } // namespace Puzzle
-
-namespace Generated
-{
-    PuzPos operator+=(PuzPos lhs, const PuzPos& rhs)
-    {
-        lhs.X += rhs.X;
-        lhs.Y += rhs.Y;
-        return lhs;
-    }
-    PuzPos operator+(PuzPos lhs, const PuzPos& rhs)
-    {
-        lhs += rhs;
-        return lhs;
-    }
-    PuzPos operator-=(PuzPos lhs, const PuzPos& rhs)
-    {
-        lhs.X -= rhs.X;
-        lhs.Y -= rhs.Y;
-        return lhs;
-    }
-    PuzPos operator-(PuzPos lhs, const PuzPos& rhs)
-    {
-        lhs -= rhs;
-        return lhs;
-    }
-} // namespace Generated

src/game/Puzzle.h

@@ -1,27 +1,31 @@
 #pragma once
-#include "Serial.h"
 #include <cstdint>
 #include <imgui.h>
 
-#include "../../gen/Generated.h"
+#include "../gen/Generated.h"
 
 namespace Puzzle
 {
-    using namespace Generated;
+    using namespace Gen;
 
     constexpr const char* PuzzleFileDir = "game/data/puzzles/";
 
     struct Config
     {
+        static constexpr uint32_t MaxVisiblePuzzles = 3;
         static constexpr uint32_t CardSize = 2;
         static constexpr uint32_t NodesPerCard = CardSize * CardSize;
-        static constexpr uint32_t MaxElementsPerTile = 4;
         static constexpr uint32_t MaxPuzzleSizeCards = 16;
         static constexpr uint32_t MaxCardsInPuzzle = MaxPuzzleSizeCards * MaxPuzzleSizeCards;
         static constexpr uint32_t MaxPuzzleSizeTiles = 16 * CardSize;
         static constexpr uint32_t MaxTilesInPuzzle = MaxPuzzleSizeTiles * MaxPuzzleSizeTiles;
+        static constexpr uint32_t MaxTilesTotal =
+            MaxTilesInPuzzle * MaxVisiblePuzzles + MaxPuzzleSizeCards * MaxVisiblePuzzles + 64;
         static constexpr uint32_t MaxAvailableStacks = 16;
         static constexpr uint32_t MaxGoalPositions = 16;
+        static constexpr float CardScaleWorld = 10.0f;
+        static constexpr uint32_t MaxCoversInTile = 8;
+        static constexpr uint32_t MaxCoversTotal = MaxCoversInTile * MaxTilesTotal;
     };
 
     void Setup();
@@ -32,17 +36,27 @@ namespace Puzzle
     bool IsValid(StaticPuzzleCardHandle h);
     uint8_t GetRemainingCount(const PuzzleCardStack& stack);
     PuzzleElementType::Enum GetNodeAt(const PuzzleData& puz, PuzPos pos);
+    PuzzleElementType::Enum GetInitialNodeAt(const PuzzleData& puz, PuzPos pos);
     PuzzleElementType::Enum GetCardNodeAt(const StaticPuzzleCard& card, uint8_t rotation, int8_t x, int8_t y);
     PuzzleElementType::Enum& EditCardNodeAt(StaticPuzzleCard& card, uint8_t rotation, int8_t x, int8_t y);
     void DrawCard(const StaticPuzzleCard& card, uint8_t rotation, ImVec2 pos);
+    void RotateCard(PlacedPuzzleCard& card);
+
+    PlacedPuzzleCard& GetCardAt(PuzzleData& obj, PuzPos pos);
+    PlacedPuzzleCard& GetInitialCardAt(PuzzleData& obj, PuzPos pos);
+    // TODO: targetPos is of type CardPos
+    bool ReturnPlacedCard(PuzzleData& obj, PuzPos targetPos);
+    // TODO: targetPos is of type CardPos
+    bool DragAvailableCardTo(PuzzleData& obj, PuzPos targetPos, int32_t availIdx, uint8_t rotation);
+    void ResetPuzzle(PuzzleData& puz);
 
     struct PuzzleSolver
     {
-        bool IsPuzzleSolved(const Generated::PuzzleData& puzzle);
-        bool IsExitSatisfied(const Generated::PuzzleData& puzzle, PuzPos pos);
+        bool IsPuzzleSolved(const PuzzleData& puzzle);
+        bool IsExitSatisfied(const PuzzleData& puzzle, PuzPos pos);
 
         // This assumes flowFrom is already verified to be connected.
-        bool IsValidGoalConnection(const Generated::PuzzleData& puzzle,
+        bool IsValidGoalConnection(const PuzzleData& puzzle,
                                    PuzPos flowFrom,
                                    PuzPos flowTo,
                                    PuzzleElementType::Enum goalType);
@@ -50,9 +64,3 @@ namespace Puzzle
     };
     bool RenderDebugUI(PuzzleData& obj);
 } // namespace Puzzle
-
-namespace Generated
-{
-    PuzPos operator+=(PuzPos lhs, const PuzPos& rhs);
-    PuzPos operator+(PuzPos lhs, const PuzPos& rhs);
-} // namespace Generated

src/game/Serial.cpp

@@ -1,32 +0,0 @@
-#include "Global.h"
-#include "Log.h"
-#include "Serial.h"
-#include "bx/bx.h"
-#include "bx/file.h"
-#include "bx/filepath.h"
-
-void SerializeStruct(void* data, uint64_t size, const char* path)
-{
-    bx::Error err;
-    bx::FilePath filePath{path};
-    bx::FileWriter writer;
-    if (writer.open(filePath, false, &err))
-    {
-        if (!writer.write(data, size, &err))
-        {
-            LOG_ERROR("Failed to write to file %s: %s", path, err.getMessage().getCPtr());
-            writer.close();
-            return;
-        }
-    }
-    else
-    {
-        LOG_ERROR("Failed to open file %s: %s", path, err.getMessage().getCPtr());
-        return;
-    }
-    LOG("Successful serialization");
-}
-
-void DeserializeStruct(void* data, SerializationHeader& expectedHeader, const char* path)
-{
-}

src/game/Serial.h

@@ -1,32 +0,0 @@
-#include <cstdint>
-
-struct SerializationHeader
-{
-    uint8_t _ID0 = 0;
-    uint8_t _ID1 = 0;
-    uint8_t _ID2 = 0;
-    uint8_t _ID3 = 0;
-    uint8_t HeaderVersion = 0;
-    uint8_t VersionNum = 0;
-    uint8_t Reserved0 = 0;
-    uint8_t Reserved1 = 0;
-};
-
-#define SER_HEADER(Version, FCC)                                                                                       \
-    SerializationHeader __Header{                                                                                      \
-        FCC[0],                                                                                                        \
-        FCC[1],                                                                                                        \
-        FCC[2],                                                                                                        \
-        FCC[3],                                                                                                        \
-        1,                                                                                                             \
-        Version,                                                                                                       \
-        0,                                                                                                             \
-        0,                                                                                                             \
-    };                                                                                                                 \
-    bool VersionMatches(uint8_t headerVersion, uint8_t versionNum)                                                     \
-    {                                                                                                                  \
-        return headerVersion == 1 && versionNum == Version;                                                            \
-    }
-
-void SerializeStruct(void* data, uint64_t size, const char* path);
-void DeserializeStruct(void* data, SerializationHeader& expectedHeader, const char* path);

src/game/Setup.cpp

@@ -1,8 +1,8 @@
 #include "Global.h"
-#include "Input.h"
 #include "Instance.h"
 #include "Log.h"
 #include "Setup.h"
+#include "Tools.h"
 #include "rendering/Rendering.h"
 
 #include "bx/bx.h"
@@ -33,32 +33,32 @@ namespace Game
         tracy::StartupProfiler();
 #endif
 
-        if (shared.Game.PermanentStorage == nullptr)
+        if (shared.Game.PermanentArena.Base == nullptr)
         {
             LOG_ERROR("Game memory not initialized!!");
             return;
         }
-        if (shared.Game.EntityStorage == nullptr)
+        if (shared.Game.EntityArena.Base == nullptr)
         {
             LOG_ERROR("Entity memory not initialized!");
             return;
         }
-        if (shared.Game.PermanentStorageSize < sizeof(GameInstance))
+        if (shared.Game.PermanentArena.MaxSize < sizeof(GameInstance))
         {
-            LOG_ERROR("Game memory too small! %u < %u", shared.Game.PermanentStorageSize, sizeof(GameInstance));
+            LOG_ERROR("Game memory too small! %u < %u", shared.Game.PermanentArena.MaxSize, sizeof(GameInstance));
             return;
         }
-        GameInstance& instance = *reinterpret_cast<GameInstance*>(shared.Game.PermanentStorage);
+        GameInstance& instance = *reinterpret_cast<GameInstance*>(shared.Game.PermanentArena.Base);
         if (sizeof(GameInstance) != instance.Size)
         {
             LOG_WARN("Game instance size changed, resetting!");
             instance = {};
         }
-        instance.UsedScratchAmount = 0;
         SetShared(shared);
         SetInstance(instance);
+        ResetScratch();
         Puzzle::LoadStaticPuzzleData();
-        SetupInstance.Rendering.Setup();
+        SetupInstance.Rendering.Setup({});
         instance.GameLevel.Setup(shared.Game);
         instance.IsInitialized = true;
     }
@@ -87,6 +87,7 @@ namespace Game
             bx::memCopy(win.LastHeldScanCodes, win.HeldScanCodes, sizeof(win.HeldScanCodes));
             bx::memCopy(win.LastHeldMouseButtons, win.HeldMouseButtons, sizeof(win.HeldMouseButtons));
         }
+        Tools::MeasureFrameEnd();
         FrameMark;
     }
 

src/game/Tools.cpp

@@ -1,13 +1,32 @@
+#include "../gen/Def.h"
+#include "Gen.h"
 #include "Global.h"
 #include "Instance.h"
+#include "Log.h"
+#include "Mesh.h"
+#include "Puzzle.h"
 #include "Tools.h"
-#include "rendering/Rendering.h"
 
+#include "bgfx/bgfx.h"
+#include "bx/filepath.h"
+#include "bx/string.h"
+#include "bx/timer.h"
+#include "rendering/Rendering.h"
 #include <imgui.h>
+#include <tracy/Tracy.hpp>
+
+using namespace Gen;
+
+namespace
+{
+    constexpr int32_t FrameTimeBufSize = 512;
+    int64_t FrameTimes[FrameTimeBufSize]{0};
+    int32_t FrameTimeIdx = 0;
+} // namespace
 
 namespace Tools
 {
-    const char* GetAssetPath(uint32_t assetHandle)
+    const char* GetAssetPath(Gen::AssetHandle assetHandle)
     {
         const auto& inst = Game::GetInstance();
         for (int32_t j = 0; j < inst.DebugData.AssetCount; ++j)
@@ -20,20 +39,722 @@ namespace Tools
         return "---";
     }
 
-    void ModelDropdown(uint16_t& modelHandle)
+    bool EntityDataSettings(Gen::SavedEntityRenderData& data)
     {
+        ImGui::PushID(&data);
+        bool changed = false;
+        changed |= ModelDropdown(data.Model);
+        changed |= MaterialDropdown(data.Material);
+        changed |= TextureDropdown(data.Texture);
+        changed |= TransformUI(data.TF);
+        changed |= ImGui::Checkbox("Visible", &data.Visible);
+        changed |= ImGui::ColorEdit4("Color 1", &data.BaseColor.x);
+        changed |= ImGui::ColorEdit4("Color 2", &data.HighlightColor.x);
+        ImGui::PopID();
+        return changed;
+    }
+
+    bool ModelDropdown(Gen::ModelHandle& modelHandle, const char* title)
+    {
+        bool changed = false;
         auto& R = Game::GameRendering::Get();
-        const char* name = GetAssetPath(R.Models[modelHandle].AssetHandle);
-        if (ImGui::BeginCombo("Models", name))
+        const char* assetName = GetAssetPath(modelHandle.Asset);
+        if (ImGui::BeginCombo(title, assetName))
         {
             for (int32_t i = 0; i < R.ModelCount; ++i)
             {
-                if (ImGui::Selectable(GetAssetPath(R.Models[i].AssetHandle), i == modelHandle))
+                if (ImGui::Selectable(GetAssetPath(R.Models[i].Handle.Asset), i == modelHandle.ModelIdx))
                 {
-                    modelHandle = i;
+                    modelHandle = R.Models[i].Handle;
+                    changed = true;
                 }
             }
             ImGui::EndCombo();
         }
+        return changed;
+    }
+
+    bool TextureDropdown(Gen::TextureHandle& texHandle, const char* title)
+    {
+        bool changed = false;
+        auto& R = Game::GameRendering::Get();
+        const char* name = GetAssetPath(texHandle.Asset);
+        if (ImGui::BeginCombo(title, name))
+        {
+            for (int32_t i = 0; i < R.MaxTextures; ++i)
+            {
+                if (!IsValid(R.Textures[i].TexHandle)) continue;
+                ImGui::PushID(i);
+                ImVec2 pos = ImGui::GetCursorScreenPos();
+                if (ImGui::Selectable("", i == texHandle.TextureIdx, ImGuiSelectableFlags_AllowOverlap, {0, 64}))
+                {
+                    texHandle = R.Textures[i].TexHandle;
+                    changed = true;
+                }
+                ImGui::SetCursorScreenPos(pos);
+                ImGui::Image(R.Textures[i].RenderHandle.idx, {64, 64});
+                ImGui::SameLine();
+                ImGui::Text("%s", GetAssetPath(R.Textures[i].TexHandle.Asset));
+                ImGui::PopID();
+            }
+            ImGui::EndCombo();
+        }
+        return changed;
+    }
+
+    bool MaterialDropdown(Gen::EMaterial::Enum& material)
+    {
+        bool changed = false;
+        const char* selectedText = "---";
+        if (material < Gen::EMaterial::EntryCount)
+        {
+            selectedText = Gen::EMaterial::EntryNames[material];
+        }
+
+        if (ImGui::BeginCombo("Material", selectedText))
+        {
+            for (int32_t i = 0; i < Gen::EMaterial::EntryCount; ++i)
+            {
+                if (ImGui::Selectable(Gen::EMaterial::EntryNames[i], i == material))
+                {
+                    material = (Gen::EMaterial::Enum)i;
+                    changed = true;
+                }
+            }
+            ImGui::EndCombo();
+        }
+        return changed;
+    }
+
+    constexpr const char* UnitStrings[]{
+        "b",
+        "kb",
+        "mb",
+        "gb",
+    };
+    const char* GetUnitString(uint64_t byteCount, uint64_t& outCount)
+    {
+        outCount = byteCount;
+        int32_t strIdx = 0;
+        for (int32_t i = 0; i < BX_COUNTOF(UnitStrings); ++i)
+        {
+            if (outCount < 1024) break;
+            ++strIdx;
+            outCount /= 1024;
+        }
+        return UnitStrings[strIdx];
+    }
+
+    void ProgressBar(const char* title, uint64_t current, uint64_t max)
+    {
+        ImGui::PushID(title);
+        float percent = static_cast<double>(current) / static_cast<double>(max);
+        ImVec2 startPos = ImGui::GetCursorScreenPos();
+        char content[128]{0};
+
+        uint64_t currentUnit = 0;
+        const char* currentUnitStr = GetUnitString(current, currentUnit);
+        uint64_t maxUnit = 0;
+        const char* maxUnitStr = GetUnitString(max, maxUnit);
+
+        bx::snprintf(content,
+                     sizeof(content),
+                     "%s: %u %s/%u %s (%.2f%%)",
+                     title,
+                     currentUnit,
+                     currentUnitStr,
+                     maxUnit,
+                     maxUnitStr,
+                     percent);
+        ImGui::Text("%s", content);
+        ImGui::PopID();
+    }
+
+    bool TransformUI(Gen::Transform& transform)
+    {
+        bool changed = false;
+        changed |= ImGui::DragFloat3("Pos", &transform.Position.x, 0.1f);
+        Vec3 euler = EulerFromRotation(transform.Rotation);
+        if (ImGui::DragFloat3("Rot", &euler.x, 0.1f))
+        {
+            transform.Rotation = RotationFromEuler(euler);
+            changed = true;
+        }
+        changed |= ImGui::DragFloat3("Scale", &transform.Scale.x, 0.01f);
+        return changed;
+    }
+
+    void RenderLogUI()
+    {
+        auto& time = Game::GetInstance().Time;
+        auto& debug = Game::GetInstance().DebugData;
+
+        if (ImGui::Begin("Log"))
+        {
+            ImGui::Checkbox("Shorten File Names", &debug.ShortenLogFileNames);
+            ImGui::BeginTable("tbl",
+                              4,
+                              ImGuiTableFlags_Resizable | ImGuiTableFlags_Hideable | ImGuiTableFlags_SizingFixedFit |
+                                  ImGuiTableFlags_RowBg);
+            ImGui::TableSetupColumn("Time", ImGuiTableColumnFlags_NoResize);
+            ImGui::TableSetupColumn("Log");
+            ImGui::TableSetupColumn("Line", ImGuiTableColumnFlags_NoResize);
+            ImGui::TableSetupColumn("File", ImGuiTableColumnFlags_NoResize);
+            ImGui::TableHeadersRow();
+
+            auto& logs = GetLogHistory();
+
+            int32_t lineCount = bx::min(100, LogInternal::LogHistorySize);
+            for (int32_t i = 0; i < lineCount; ++i)
+            {
+                int32_t idx = logs.WriteIdx - i - 1;
+                if (idx < 0) idx += LogInternal::LogHistorySize;
+                const char* line = &logs.LogBuffer[idx * LogInternal::MaxLineSize];
+                if (line[0] != 0)
+                {
+                    int64_t timeOffset = logs.WriteTime[idx] - time.StartTime;
+                    double writeTime = (double)timeOffset / bx::getHPFrequency();
+                    uint32_t fileLine = logs.LineBuffer[idx];
+                    const char* filePath = &logs.FileBuffer[idx * LogInternal::MaxLineSize];
+                    const char* filePathRes =
+                        debug.ShortenLogFileNames ? bx::FilePath{filePath}.getFileName().getPtr() : filePath;
+
+                    ImGui::TableNextRow();
+                    ImGui::TableNextColumn();
+                    ImGui::Text("%.01f", writeTime);
+
+                    ImGui::TableNextColumn();
+                    ImGui::Text("%s", line);
+                    ImGui::SetItemTooltip("%f\n%s%s:%u", writeTime, line, filePath, fileLine);
+
+                    ImGui::TableNextColumn();
+                    ImGui::Text("%u", fileLine);
+
+                    ImGui::TableNextColumn();
+                    ImGui::Text("%s", filePathRes);
+
+                    if (i > 0) ImGui::PopStyleColor(2);
+                    ImVec4 bgCol = {0.0f, 0.0f, 0.0f, 1.0f};
+                    if (logs.WriteType[idx] == ELogType::Warn)
+                        bgCol = {0.2f, 0.2f, 0.0f, 1.0f};
+                    else if (logs.WriteType[idx] == ELogType::Error)
+                        bgCol = {0.2f, 0.0f, 0.0f, 1.0f};
+                    ImGui::PushStyleColor(ImGuiCol_TableRowBg, bgCol);
+                    ImGui::PushStyleColor(ImGuiCol_TableRowBgAlt, bgCol);
+                }
+            }
+
+            ImGui::EndTable();
+
+            if (lineCount > 0) ImGui::PopStyleColor(2);
+        }
+        ImGui::End();
+    }
+
+    void RenderRenderSettingsUI(Game::GameRendering& rendering)
+    {
+        auto& time = Game::GetInstance().Time;
+        auto& shared = Game::GetShared();
+        auto& debug = Game::GetInstance().DebugData;
+        auto& level = Game::GetInstance().GameLevel;
+        auto& player = Game::GetInstance().Player;
+
+        if (ImGui::Begin("Rendering"))
+        {
+            if (rendering.LastShaderLoadTime >= 0.0f)
+            {
+                ImGui::TextColored({0.2f, 0.9f, 0.2f, 1.0f},
+                                   "Shader loaded %.0f seconds ago",
+                                   time.Now - rendering.LastShaderLoadTime);
+            }
+            else
+            {
+                ImGui::TextColored({0.9f, 0.2f, 0.2f, 1.0f}, "Shader load Failiure!");
+            }
+            ImGui::SameLine();
+            if (ImGui::Button("Reload Level"))
+            {
+                level = {};
+                level.Setup(shared.Game);
+            }
+
+            ImGui::DragFloat3("Player Pos", &player.PlayerCamTransform.Position.x);
+            ImGui::DragFloat3("Puz0 Pos", &level.Puzzles[0].WorldPosition.x);
+            ImGui::SliderFloat("Mouse Sensitivity", &player.MouseSensitivity, 0.1f, 5.0f);
+            ImGui::SliderFloat("Player Speed", &player.MovementSpeed, 1.0f, 30.0f);
+
+            ImGui::Checkbox("Show ImGui Demo", &debug.ShowImguiDemo);
+            ImGui::Checkbox("Show Stats", &debug.ShowStats);
+            if (debug.ShowImguiDemo) ImGui::ShowDemoWindow(&debug.ShowImguiDemo);
+
+            ImGui::Separator();
+
+            if (ImGui::TreeNodeEx("Entity Groups"))
+            {
+                ImGui::Checkbox("Cubes", &level.Cubes.IsEnabled);
+                ImGui::Checkbox("Tests", &level.Tests.IsEnabled);
+                ImGui::Checkbox("PuzzleTiles", &level.PuzzleTiles.IsEnabled);
+                ImGui::Checkbox("UIQuads", &level.UIQuads.IsEnabled);
+                ImGui::Checkbox("Level", &level.LevelEntities.IsEnabled);
+                ImGui::TreePop();
+            }
+
+            bool uiconfigChanged = false;
+            if (ImGui::TreeNodeEx("Game Tablet"))
+            {
+                uiconfigChanged |= Tools::EntityDataSettings(player.Config.TabletBackgroundRenderData);
+                ImGui::Separator();
+                ImGui::Text("Status");
+                uiconfigChanged |= Tools::EntityDataSettings(player.Config.TabletStatusRenderData);
+                uiconfigChanged |= Tools::TextureDropdown(player.Config.TabletStatusSolvedTexture, "Solved Texture");
+                uiconfigChanged |=
+                    Tools::TextureDropdown(player.Config.TabletStatusNotSolvedTexture, "Not Solved Texture");
+                ImGui::Separator();
+                ImGui::Text("Reset");
+                uiconfigChanged |= Tools::EntityDataSettings(player.Config.TabletResetRenderData);
+                ImGui::TreePop();
+            }
+
+            if (ImGui::TreeNodeEx("Background Level"))
+            {
+                for (int32_t i = 0; i < BX_COUNTOF(player.Config.BackgroundLevelRenderData); ++i)
+                {
+                    if (i > 0) ImGui::Separator();
+                    uiconfigChanged |= Tools::EntityDataSettings(player.Config.BackgroundLevelRenderData[i]);
+                }
+                ImGui::TreePop();
+            }
+
+            if (uiconfigChanged)
+            {
+                Serializer s;
+                s.Init("game/data/static/uiconfig.dat", "UICO");
+                s.WriteT(player.Config);
+                s.Finish();
+                level.PuzzleUI.Reset();
+                level.ReloadLevelEntities();
+            }
+
+            if (ImGui::TreeNodeEx("Dithering"))
+            {
+                if (ImGui::Button("Dithergen"))
+                {
+                    DitherGen(rendering.DitherTextures, rendering.DitherRecursion);
+                }
+                ImGui::SameLine();
+                ImGui::SliderInt("Recursion", &rendering.DitherRecursion, 1, 4);
+                ImGui::Text("%ux%ux%u",
+                            rendering.DitherTextures.DitherTexWH,
+                            rendering.DitherTextures.DitherTexWH,
+                            rendering.DitherTextures.DitherTexDepth);
+                if (!isValid(rendering.DitherTextures.PreviewTex))
+                {
+                    ImGui::Text("Invalid Texture");
+                }
+                else
+                {
+                    ImGui::Image(
+                        rendering.DitherTextures.PreviewTex.idx,
+                        {(float)rendering.DitherTextures.DitherTexWH,
+                         (float)rendering.DitherTextures.DitherTexWH * rendering.DitherTextures.DitherTexDepth});
+                }
+                if (isValid(rendering.DitherTextures.RampTex))
+                {
+                    ImGui::Image(rendering.DitherTextures.RampTex.idx,
+                                 {BX_COUNTOF(rendering.DitherTextures.BrightnessRamp), 8});
+                }
+                ImGui::TreePop();
+            }
+
+            if (ImGui::TreeNodeEx("Shader log"))
+            {
+                ImGui::TextWrapped("%s", Game::GetShared().Dev.ShaderLog);
+                ImGui::TreePop();
+            }
+        }
+        ImGui::End();
+    }
+
+    void RenderTexturesUI(Game::GameRendering& rendering)
+    {
+        if (ImGui::Begin("Textures"))
+        {
+            if (ImGui::Button("Reload"))
+            {
+                rendering.LoadTextures();
+            }
+            for (int32_t i = 0; i < rendering.MaxTextures; ++i)
+            {
+                if (!isValid(rendering.Textures[i].RenderHandle)) continue;
+                ImGui::Text("%i", i);
+                float width = bx::min<float>(ImGui::GetContentRegionAvail().x, rendering.Textures[i].Info.width);
+                float height = bx::min<float>(ImGui::GetContentRegionAvail().x, rendering.Textures[i].Info.height);
+                ImGui::Image(rendering.Textures[i].RenderHandle.idx, {width, height});
+            }
+        }
+        ImGui::End();
+    }
+
+    void RenderModelsUI(Game::GameRendering& rendering)
+    {
+        if (ImGui::Begin("Models"))
+        {
+            if (ImGui::Button("Reload"))
+            {
+                LoadModels(rendering.Models, rendering.ModelCount);
+            }
+            for (int32_t i = 0; i < rendering.ModelCount; ++i)
+            {
+                auto& mdl = rendering.Models[i];
+                if (bgfx::isValid(mdl.HeightMapTexture))
+                {
+                    ImGui::Text("%s", mdl.Name);
+                    ImGui::Image(mdl.HeightMapTexture.idx,
+                                 ImVec2{(float)Game::HeightMap::Height, (float)Game::HeightMap::Width});
+                }
+                else
+                {
+                    ImGui::Text("Invalid Handle!");
+                }
+                ImGui::Spacing();
+            }
+        }
+        ImGui::End();
+    }
+
+    void RenderPuzzlesUI()
+    {
+        auto& debug = Game::GetInstance().DebugData;
+        auto& level = Game::GetInstance().GameLevel;
+
+        if (ImGui::Begin("Puzzles"))
+        {
+            char nameBuf[64]{0};
+            for (int32_t i = 0; i < BX_COUNTOF(level.Puzzles); ++i)
+            {
+                ImGui::PushID(i);
+                auto& puzzleData = level.Puzzles[i].Data;
+
+                bool isSelected = debug.SelectedDebugLevel == i;
+                ImGui::PushID("selectable");
+                bx::snprintf(nameBuf, sizeof(nameBuf), "%u: %s", i, puzzleData.PuzzleName);
+                if (ImGui::Selectable(nameBuf, isSelected))
+                {
+                    debug.SelectedDebugLevel = isSelected ? UINT16_MAX : i;
+                }
+                ImGui::DragFloat3("Pos", &level.Puzzles[i].WorldPosition.x);
+                ImGui::PopID();
+
+                ImGui::PopID();
+            }
+        }
+        ImGui::End();
+
+        if (debug.SelectedDebugLevel < BX_COUNTOF(level.Puzzles))
+        {
+            if (!Puzzle::RenderDebugUI(level.Puzzles[debug.SelectedDebugLevel].Data))
+            {
+                debug.SelectedDebugLevel = UINT16_MAX;
+            }
+        }
+    }
+
+    void RenderCardsUI(Game::GameRendering& rendering)
+    {
+        auto& debug = Game::GetInstance().DebugData;
+
+        if (ImGui::Begin("Cards"))
+        {
+            Gen::StaticPuzzleData& staticData = Puzzle::GetStaticPuzzleData();
+
+            if (ImGui::Button("Save"))
+            {
+                Puzzle::SaveStaticPuzzleData();
+            }
+            ImGui::SameLine();
+            if (ImGui::Button("Reload"))
+            {
+                Puzzle::LoadStaticPuzzleData();
+            }
+
+            ImGui::Separator();
+
+            ImGui::ColorEdit3("Disabled Tint", &staticData.Visuals.DisabledCardTint.x);
+            ImGui::ColorEdit3("Tile Base Color", &staticData.Visuals.TileBaseColor.x);
+            ImGui::ColorEdit3("Tile Dot Color", &staticData.Visuals.TileDotColor.x);
+
+            for (int32_t i = 0; i < BX_COUNTOF(staticData.Cards); ++i)
+            {
+                ImGui::Separator();
+
+                Gen::StaticPuzzleCard& card = staticData.Cards[i];
+                ImGui::PushID(i);
+                char cardName[64]{0};
+                bx::snprintf(cardName, sizeof(cardName), "%i", i);
+                ImGui::Selectable(cardName);
+                if (ImGui::BeginDragDropSource())
+                {
+                    Puzzle::DrawCard(card, debug.DebugCardRotation, ImGui::GetCursorScreenPos());
+                    ImGui::SetDragDropPayload("cardtype", &i, sizeof(i));
+                    ImGui::EndDragDropSource();
+                }
+
+                Tools::ModelDropdown(card.BaseModelHandle);
+                Tools::TextureDropdown(card.ModelTextureHandle, "World Texture");
+                Tools::TextureDropdown(card.BoardTextureHandle, "UI Texture");
+                if (IsValid(card.BaseModelHandle))
+                {
+                    auto& mdl = rendering.Models[card.BaseModelHandle.ModelIdx];
+                    if (mdl.SocketCount > 0 && ImGui::TreeNodeEx("Slots"))
+                    {
+                        for (int32_t sIdx = 0; sIdx < mdl.SocketCount; ++sIdx)
+                        {
+                            Tools::ModelDropdown(card.Sockets[sIdx].Model, mdl.Sockets[sIdx].Name);
+                            int val = card.Sockets[sIdx].ConnectionDirection;
+                            ImGui::PushID(sIdx);
+                            if (ImGui::Combo("Connection Direction", &val, "North\0East\0South\0West\0"))
+                            {
+                                card.Sockets[sIdx].ConnectionDirection = val;
+                            }
+                            ImGui::PopID();
+                        }
+                        ImGui::TreePop();
+                    }
+                }
+
+                ImGui::Text("Card");
+                for (int8_t y = 0; y < Puzzle::Config::CardSize; ++y)
+                {
+                    ImGui::PushID(y);
+                    for (int8_t x = 0; x < Puzzle::Config::CardSize; ++x)
+                    {
+                        if (x > 0) ImGui::SameLine();
+                        ImGui::PushID(x);
+                        auto& node = Puzzle::EditCardNodeAt(card, 0, x, y);
+                        if (ImGui::Button(Gen::PuzzleElementType::ShortName[node], {26, 24}))
+                        {
+                            int32_t newVal = int32_t(node) + 1;
+                            if (newVal >= Gen::PuzzleElementType::EntryCount)
+                            {
+                                newVal = 0;
+                            }
+                            node = Gen::PuzzleElementType::Enum(newVal);
+                        }
+                        ImGui::PopID();
+                    }
+                    ImGui::PopID();
+                }
+                ImGui::PopID();
+            }
+        }
+        ImGui::End();
+    }
+
+    void RenderEntitiesUI()
+    {
+        auto& level = Game::GetInstance().GameLevel;
+
+        if (ImGui::Begin("Entities"))
+        {
+            if (ImGui::TreeNodeEx("UIQuads"))
+            {
+                ImGui::Text("Count: %u", level.UIQuads.Count);
+                for (uint16_t i = 0; i < level.UIQuads.Count; ++i)
+                {
+                    ImGui::Separator();
+                    ImGui::PushID(i);
+                    ImGui::Text("%u", i);
+                    ImGui::SameLine();
+                    auto& quad = level.UIQuads.Get({i});
+                    ImGui::Checkbox("Visible", &quad.EData.Visible);
+                    TextureDropdown(quad.EData.TextureHandle);
+                    MaterialDropdown(quad.EData.MaterialHandle);
+                    ImGui::DragFloat3("Pos", &quad.EData.Transform.Position.x);
+                    ImGui::DragFloat3("UI Pos", &quad.UIPos.x);
+                    ImGui::Text("RenderID: %i", quad.EData.RenderID);
+                    ImGui::PopID();
+                }
+                ImGui::TreePop();
+            }
+            if (ImGui::TreeNodeEx("Level"))
+            {
+                ImGui::Text("Count: %u", level.LevelEntities.Count);
+                for (uint16_t i = 0; i < level.LevelEntities.Count; ++i)
+                {
+                    ImGui::Separator();
+                    ImGui::PushID(i);
+                    ImGui::Text("%u", i);
+                    ImGui::SameLine();
+                    auto& levelEnt = level.LevelEntities.Get({i});
+                    ImGui::Checkbox("Visible", &levelEnt.EData.Visible);
+                    TextureDropdown(levelEnt.EData.TextureHandle);
+                    MaterialDropdown(levelEnt.EData.MaterialHandle);
+                    ImGui::DragFloat3("Pos", &levelEnt.EData.Transform.Position.x);
+                    ImGui::Text("RenderID: %i", levelEnt.EData.RenderID);
+                    ImGui::PopID();
+                }
+                ImGui::TreePop();
+            }
+        }
+        ImGui::End();
+    }
+
+    void RenderStatsUI()
+    {
+        auto& time = Game::GetInstance().Time;
+        auto& debug = Game::GetInstance().DebugData;
+
+        if (debug.ShowStats)
+        {
+            ImGui::SetNextWindowPos({0, 0});
+            if (ImGui::Begin("Stats",
+                             nullptr,
+                             ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoBackground | ImGuiWindowFlags_NoInputs |
+                                 ImGuiWindowFlags_AlwaysAutoResize))
+            {
+                if (Game::GetInstance().Player.CameraM == Game::CameraMode::Freefly)
+                {
+                    ImGui::PushStyleColor(ImGuiCol_Text, {0.8f, 0.1f, 0.1f, 1.0f});
+                    ImGui::Text("NOCLIP");
+                    ImGui::PopStyleColor();
+                }
+                ImGui::Text("Delta: %.01fms", time.Delta * 1000);
+                ImGui::Text("FPS: %.0f", 1.0 / time.Delta);
+
+                constexpr ImVec2 FpsPlotSize{200, 60};
+                if (ImGui::BeginChild("FpsPlot", FpsPlotSize, 0, ImGuiWindowFlags_NoInputs))
+                {
+                    auto& drawList = *ImGui::GetWindowDrawList();
+                    ImVec2 pos = ImGui::GetWindowPos();
+                    drawList.AddRectFilled(pos, {pos.x + FpsPlotSize.x, pos.y + FpsPlotSize.y}, 0x22222233);
+
+                    float scale = 1000.0f;
+
+                    for (int32_t i = 0; i < FrameTimeBufSize; ++i)
+                    {
+                        int32_t idx = FrameTimeIdx - i - 1;
+                        int32_t prevIdx = idx - 1;
+                        if (idx < 0) idx += FrameTimeBufSize;
+                        if (prevIdx < 0) prevIdx += FrameTimeBufSize;
+
+                        if (FrameTimes[idx] == 0 || FrameTimes[prevIdx] == 0) continue;
+
+                        int64_t frameTime = FrameTimes[idx] - FrameTimes[prevIdx];
+                        double frameTimeSec = (double)frameTime / bx::getHPFrequency();
+                        drawList.AddLine(
+                            {pos.x + (FpsPlotSize.x - i - 1), pos.y + FpsPlotSize.y},
+                            {pos.x + (FpsPlotSize.x - i - 1), pos.y + FpsPlotSize.y - (float)frameTimeSec * scale},
+                            0xFFFFFFFF);
+                    }
+                }
+                ImGui::EndChild();
+            }
+            ImGui::End();
+        }
+    }
+
+    void RenderDebugUI(Game::GameRendering& rendering)
+    {
+        if (!rendering.SetupData.UseImgui) return;
+        ZoneScopedN("DebugUI");
+
+        auto& time = Game::GetInstance().Time;
+        auto& shared = Game::GetShared();
+        auto& debug = Game::GetInstance().DebugData;
+        auto& level = Game::GetInstance().GameLevel;
+        auto& player = Game::GetInstance().Player;
+
+        if (ImGui::Begin("Hilfe"))
+        {
+            if (ImGui::Button("Spiel Neustarten"))
+            {
+                player.PlayerCamTransform.Position = {0.0f, 3.0f, 0.0f};
+                for (int32_t i = 0; i < BX_COUNTOF(level.Puzzles); ++i)
+                {
+                    Puzzle::ResetPuzzle(level.Puzzles[i].Data);
+                }
+            }
+            ImGui::SameLine();
+            if (ImGui::Button("Zurück zum Anfang"))
+            {
+                player.PlayerCamTransform.Position = {0.0f, 3.0f, 0.0f};
+            }
+            ImGui::Separator();
+            ImGui::Text("Anleitung:");
+            ImGui::Text("Bewege dich mit");
+            ImGui::SameLine();
+            ImGui::TextColored({1.0f, 0.6f, 0.6f, 1.0f}, "W, A, S, D");
+            ImGui::SameLine();
+            ImGui::Text("und schau dich um mit der");
+            ImGui::SameLine();
+            ImGui::TextColored({1.0f, 0.6f, 0.6f, 1.0f}, "Maus.");
+            ImGui::Text("Drücke");
+            ImGui::SameLine();
+            ImGui::TextColored({1.0f, 0.6f, 0.6f, 1.0f}, "Leertaste");
+            ImGui::SameLine();
+            ImGui::Text("um den Spielplan zu öffnen.");
+            ImGui::Text("Auf dem Spielplan kannst du Karten verschieben.");
+            ImGui::Text("Mit");
+            ImGui::SameLine();
+            ImGui::TextColored({1.0f, 0.6f, 0.6f, 1.0f}, "Rechter Maustaste");
+            ImGui::SameLine();
+            ImGui::Text("kannst du Karten drehen.");
+            ImGui::Text("");
+            ImGui::Text("Dein Ziel: Verbinde die Pumpe mit dem Abfluss, um das");
+            ImGui::Text("Tor zum nächsten Level zu öffnen!");
+            ImGui::Text("");
+            auto& inflowTexture = rendering.Textures[10];
+            auto& outflowTexture = rendering.Textures[9];
+            auto& connectionTexture = rendering.Textures[8];
+            ImGui::Text("Pumpe (Wasserquelle):");
+            ImGui::Image(inflowTexture.RenderHandle.idx, {64.0f, 64.0f});
+            ImGui::Text("Abfluss (Ziel):");
+            ImGui::Image(outflowTexture.RenderHandle.idx, {64.0f, 64.0f});
+            ImGui::Text("Verbindung:");
+            ImGui::Image(connectionTexture.RenderHandle.idx, {64.0f, 64.0f});
+        }
+        ImGui::End();
+
+        if (rendering.UIVisible == Game::UIVisibilityState::Debug)
+        {
+            if (ImGui::IsMouseClicked(ImGuiMouseButton_Right))
+            {
+                debug.DebugCardRotation++;
+                if (debug.DebugCardRotation >= 4) debug.DebugCardRotation = 0;
+            }
+
+            if (ImGui::Begin("Debug"))
+            {
+                ImGui::Checkbox("ImGui Demo", &debug.ShowImguiDemo);
+                ImGui::SliderFloat("Font Scale", &ImGui::GetIO().FontGlobalScale, 0.5f, 4.0f);
+                ImGui::Checkbox("Break on ID", &debug.DebugBreakIDEnabled);
+                ImGui::SameLine();
+                ImGui::PushID("@#$");
+                ImGui::InputInt("", &debug.DebugBreakID);
+                ImGui::PopID();
+
+                ImGui::Separator();
+                ImGui::Text("Arenas");
+                ProgressBar("Permanent", shared.Game.PermanentArena.Used, shared.Game.PermanentArena.MaxSize);
+                ProgressBar("Entity", shared.Game.EntityArena.Used, shared.Game.EntityArena.MaxSize);
+                ProgressBar("Transient", shared.Game.TransientArena.Used, shared.Game.TransientArena.MaxSize);
+            }
+            ImGui::End();
+
+            RenderLogUI();
+            RenderRenderSettingsUI(rendering);
+            RenderTexturesUI(rendering);
+            RenderModelsUI(rendering);
+            RenderPuzzlesUI();
+            RenderCardsUI(rendering);
+            RenderEntitiesUI();
+        }
+        RenderStatsUI();
+    }
+    void MeasureFrameEnd()
+    {
+        FrameTimes[FrameTimeIdx] = bx::getHPCounter();
+        ++FrameTimeIdx;
+        if (FrameTimeIdx >= FrameTimeBufSize) FrameTimeIdx = 0;
     }
 } // namespace Tools

src/game/Tools.h

@@ -1,7 +1,14 @@
 #pragma once
-#include <cstdint>
+#include "../gen/Generated.h"
+#include "rendering/Rendering.h"
 
 namespace Tools
 {
-    void ModelDropdown(uint16_t& modelHandle);
+    bool EntityDataSettings(Gen::SavedEntityRenderData& data);
+    bool ModelDropdown(Gen::ModelHandle& modelHandle, const char* title = "Model");
+    bool TextureDropdown(Gen::TextureHandle& texHandle, const char* title = "Texture");
+    bool MaterialDropdown(Gen::EMaterial::Enum& material);
+    bool TransformUI(Gen::Transform& transform);
+    void RenderDebugUI(Game::GameRendering& rendering);
+    void MeasureFrameEnd();
 } // namespace Tools

src/game/UI.cpp

@@ -0,0 +1,382 @@
+#include "UI.h"
+
+#include "Entity.h"
+#include "Gen.h"
+#include "Global.h"
+#include "Input.h"
+#include "Instance.h"
+#include "Level.h"
+
+#include "Puzzle.h"
+#include "bx/math.h"
+
+using namespace Gen;
+
+namespace
+{
+    Game::StaticUIData StaticData;
+}
+
+namespace Game
+{
+    UIQuadEntityHandle NewQuad(UIQuadEntityManager& manager,
+                               const Gen::SavedEntityRenderData& loadData,
+                               UIQuadEntityHandle oldHandle)
+    {
+        UIQuadEntityHandle h = oldHandle;
+        if (!IsValid(h))
+        {
+            h = manager.New();
+            if (!IsValid(h)) return h;
+        }
+
+        UIQuadEntity& entity = manager.Get(h);
+        entity.EData.LoadFromSaved(loadData);
+        entity.UIPos = entity.EData.Transform.Position;
+        return h;
+    }
+
+    void UpdateQuad(UIQuadEntityManager& manager, UIQuadEntityHandle handle)
+    {
+        if (!IsValid(handle)) return;
+
+        UIQuadEntity& entity = manager.Get(handle);
+        entity.EData.Transform.Position = StaticData.UITransform.Position;
+        entity.EData.Transform.Rotation = StaticData.UITransform.Rotation;
+        TranslateLocal(entity.EData.Transform, entity.UIPos);
+        Rotate(entity.EData.Transform, Vec3{bx::kPi * 0.5f, 0.0f, (1.0f - 0 * 0.5f) * bx::kPi});
+        Rotate(entity.EData.Transform, {0.0f, entity.UIRot, 0.0f});
+    }
+
+    Vec3 GetMousePosWorld()
+    {
+        auto& window = GetShared().Window;
+        Vec2 mousePos = GetMousePos();
+        mousePos.x = mousePos.x / window.WindowWidth;
+        mousePos.y = mousePos.y / window.WindowHeight;
+        mousePos *= 2.0f;
+        mousePos -= 1.0f;
+        Vec4 mousePosView = {mousePos.x, -mousePos.y, 0.0f, 1.0f};
+        Vec4 mousePosCam4 = Mul(GetInstance().Player.ProjectionInverse, mousePosView);
+        Vec3 mousePosCam = Vec3{
+            mousePosCam4.x /= mousePosCam4.w,
+            mousePosCam4.y /= mousePosCam4.w,
+            mousePosCam4.z /= mousePosCam4.w,
+        };
+
+        return LocalToGlobalPoint(GetInstance().Player.PlayerCamTransform, mousePosCam);
+    }
+
+    bool IsQuadHovered(Transform& quadTransform, Vec3 mousePosWorld, Vec3& outQuadPlaneIntersectPos)
+    {
+        Vec3 quadPosWorld = quadTransform.Position;
+        Vec3 quadXWorld = LocalToGlobalPoint(quadTransform, {1, 0, 0});
+        Vec3 quadZWorld = LocalToGlobalPoint(quadTransform, {0, 0, 1});
+        if (RayPlaneIntersect(GetInstance().Player.PlayerCamTransform.Position,
+                              mousePosWorld,
+                              quadPosWorld,
+                              quadXWorld,
+                              quadZWorld,
+                              outQuadPlaneIntersectPos))
+        {
+            Vec3 quadSpaceIntersect = GlobalToLocalPoint(quadTransform, outQuadPlaneIntersectPos);
+            if (quadSpaceIntersect.x >= -1.0f && quadSpaceIntersect.x <= 1.0f && quadSpaceIntersect.z >= -1.0f &&
+                quadSpaceIntersect.z <= 1.0f)
+            {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    void WorldPuzzleUI::Setup()
+    {
+        auto& level = GetInstance().GameLevel;
+        auto& player = GetInstance().Player;
+
+        TabletHandle = NewQuad(level.UIQuads, player.Config.TabletBackgroundRenderData);
+        SolvedQuad = NewQuad(level.UIQuads, player.Config.TabletStatusRenderData);
+        ResetQuad = NewQuad(level.UIQuads, player.Config.TabletResetRenderData);
+
+        for (int32_t i = 0; i < Puzzle::Config::MaxCardsInPuzzle; ++i)
+        {
+            UIPlacedCards[i] = level.UIQuads.New();
+            auto& quad = level.UIQuads.Get(UIPlacedCards[i]);
+            quad.EData.ModelH = GameRendering::Get().GetModelHandleFromPath("models/plane.glb");
+            quad.EData.MaterialHandle = EMaterial::UI;
+        }
+        for (int32_t i = 0; i < Puzzle::Config::MaxAvailableStacks * UIAvailableCardMaxStackPreview; ++i)
+        {
+            UIAvailableCards[i] = level.UIQuads.New();
+            auto& quad = level.UIQuads.Get(UIAvailableCards[i]);
+            quad.EData.MaterialHandle = EMaterial::UI;
+            quad.EData.ModelH = GameRendering::Get().GetModelHandleFromPath("models/plane.glb");
+        }
+    }
+
+    Vec3 CalcBoardOffset(const Gen::PuzzleData& puzData)
+    {
+        return Vec3{
+                   (float)(puzData.WidthTiles) / 2.0f - 0.5f,
+                   (float)(puzData.HeightTiles) / 2.0f - 0.5f,
+                   0.0f,
+               } *
+               WorldPuzzleUI::UICardScale * WorldPuzzleUI::UICardScale;
+    }
+
+    Vec3 CardPosToUIPos(const Gen::PuzzleData& data, int32_t cardX, int32_t cardY)
+    {
+        return Vec3{(float)cardX, (float)(data.HeightTiles / 2 - cardY - 1), -0.3f} * WorldPuzzleUI::UICardOffset *
+                   WorldPuzzleUI::UICardScale -
+               CalcBoardOffset(data);
+    }
+
+    void UIPosToCardPos(const Gen::PuzzleData& data, Vec3 uiPos, int32_t& cardXOut, int32_t& cardYOut)
+    {
+        Vec3 boardOffset = CalcBoardOffset(data) / WorldPuzzleUI::UICardScale;
+        Vec3 boardPos = GlobalToLocalPoint(StaticData.UITransform, uiPos);
+        Vec3 boardTilePos = (boardPos + boardOffset) / WorldPuzzleUI::UICardOffset;
+        cardXOut = (int32_t)bx::round(boardTilePos.x);
+        cardYOut = data.HeightTiles / 2 - (int32_t)bx::round(boardTilePos.y) - 1;
+    }
+
+    void WorldPuzzleUI::UpdateAvailableCards(Gen::PuzzleData& Data)
+    {
+        auto& level = GetInstance().GameLevel;
+        auto& staticCards = Puzzle::GetStaticPuzzleData().Cards;
+
+        Vec3 quadPlaneIntersectPos;
+        Vec3 mousePosWorld = GetMousePosWorld();
+
+        for (int32_t stackIdx = 0; stackIdx < Puzzle::Config::MaxAvailableStacks; ++stackIdx)
+        {
+            auto& card = Data.AvailableCards[stackIdx];
+            for (int32_t cardIdx = 0; cardIdx < UIAvailableCardMaxStackPreview; cardIdx++)
+            {
+                auto h = UIAvailableCards[stackIdx * UIAvailableCardMaxStackPreview + cardIdx];
+                auto& quad = level.UIQuads.Get(h);
+                int32_t remaining = (int32_t)card.MaxAvailableCount - (int32_t)card.UsedCount;
+                if (stackIdx < Data.AvailableCardCount && cardIdx < remaining)
+                {
+                    quad.UIPos = Vec3{cardIdx * 0.05f + stackIdx * 1.2f,
+                                      4.2f + (cardIdx % 2 == 0 ? 0.02f : 0.0f),
+                                      cardIdx * 0.001f - 0.3f} *
+                                 UICardOffset * UICardScale;
+                    UpdateQuad(level.UIQuads, h);
+                    quad.EData.Visible = true;
+                    quad.EData.TextureHandle = Puzzle::IsValid(card.RefCard)
+                                                   ? staticCards[card.RefCard.Idx].BoardTextureHandle
+                                                   : Gen::TextureHandle{0};
+                    quad.EData.Transform.Scale = {UICardScale, UICardScale, UICardScale};
+                    quad.EData.DotColor = {1.0f, 1.0f, 1.0f, 1.0f};
+                    quad.EData.BaseColor = {1.0f, 1.0f, 1.0f, 1.0f};
+
+                    if (cardIdx == 0)
+                    {
+                        if (IsQuadHovered(quad.EData.Transform, mousePosWorld, quadPlaneIntersectPos) &&
+                            DraggedAvailableCardIdx == UINT16_MAX && DraggedCard.X == -1 &&
+                            GetMouseButtonPressedNow(MouseButton::Left))
+                        {
+                            DraggedAvailableCardIdx = stackIdx;
+                        }
+                        if (DraggedAvailableCardIdx == stackIdx)
+                        {
+                            Vec3 dragPos = quadPlaneIntersectPos;
+                            dragPos += StaticData.ZAxis * -0.01f;
+                            quad.EData.Transform.Position = dragPos;
+
+                            int32_t xPos;
+                            int32_t yPos;
+                            UIPosToCardPos(Data, quadPlaneIntersectPos, xPos, yPos);
+
+                            if (!GetMouseButton(MouseButton::Left))
+                            {
+                                if (xPos >= 0 && xPos < Data.WidthTiles / Puzzle::Config::CardSize && yPos >= 0 &&
+                                    yPos < Data.HeightTiles / Puzzle::Config::CardSize)
+                                {
+                                    Gen::PuzPos targetCardPos = {(int8_t)xPos, (int8_t)yPos};
+                                    Gen::PlacedPuzzleCard& targetCard =
+                                        Data.PlacedCards[yPos * Puzzle::Config::MaxPuzzleSizeCards + xPos];
+                                    if (!Puzzle::IsValid(targetCard.RefCard) || targetCard.RefCard.Idx == 0)
+                                    {
+                                        Puzzle::DragAvailableCardTo(Data, targetCardPos, DraggedAvailableCardIdx, 0);
+                                    }
+                                }
+                                DraggedAvailableCardIdx = UINT16_MAX;
+                            }
+                        }
+                    }
+                }
+                else
+                {
+                    quad.EData.Visible = false;
+                }
+            }
+        }
+    }
+
+    void WorldPuzzleUI::UpdateBoardCards(Gen::PuzzleData& Data)
+    {
+        auto& level = GetInstance().GameLevel;
+        auto& staticCards = Puzzle::GetStaticPuzzleData().Cards;
+        Vec3 quadPlaneIntersectPos;
+        Vec3 boardOffset = CalcBoardOffset(Data);
+
+        for (int8_t y = 0; y < Data.HeightTiles / Puzzle::Config::CardSize; ++y)
+        {
+            for (int8_t x = 0; x < Data.WidthTiles / Puzzle::Config::CardSize; ++x)
+            {
+                // UI Quad
+                int32_t cardIdx = y * Puzzle::Config::MaxPuzzleSizeCards + x;
+                PlacedPuzzleCard& card = Data.PlacedCards[cardIdx];
+                bool isValid = Puzzle::IsValid(card.RefCard);
+                bool isLocked = GetFlag(card.Flags, PlacedPuzzleCardFlags::Locked);
+
+                auto& quad = level.UIQuads.Get(UIPlacedCards[cardIdx]);
+                quad.UIPos = CardPosToUIPos(Data, card.Position.X, card.Position.Y);
+                quad.UIRot = card.Rotation * bx::kPi * -0.5f;
+                UpdateQuad(level.UIQuads, UIPlacedCards[cardIdx]);
+
+                quad.EData.Visible = isValid;
+                quad.EData.TextureHandle =
+                    isValid ? staticCards[card.RefCard.Idx].BoardTextureHandle : Gen::TextureHandle{};
+                quad.EData.DotColor =
+                    isLocked ? Puzzle::GetStaticPuzzleData().Visuals.DisabledCardTint : Vec4{1.0f, 1.0f, 1.0f, 1.0f};
+                quad.EData.Transform.Scale = {UICardScale, UICardScale, UICardScale};
+
+                if (isValid && IsQuadHovered(quad.EData.Transform, StaticData.MousePosWorld, quadPlaneIntersectPos))
+                {
+                    if (!isLocked && DraggedCard.X == -1 && DraggedAvailableCardIdx == UINT16_MAX)
+                    {
+                        if (GetMouseButtonPressedNow(MouseButton::Left))
+                        {
+                            DraggedCard.X = x;
+                            DraggedCard.Y = y;
+                        }
+                        if (GetMouseButtonPressedNow(MouseButton::Right))
+                        {
+                            Puzzle::RotateCard(card);
+                        }
+                    }
+                }
+
+                if (DraggedCard.X == x && DraggedCard.Y == y)
+                {
+                    Vec3 dragPos = quadPlaneIntersectPos;
+                    dragPos += StaticData.ZAxis * -0.01f;
+                    quad.EData.Transform.Position = dragPos;
+
+                    int32_t xPos;
+                    int32_t yPos;
+                    UIPosToCardPos(Data, quadPlaneIntersectPos, xPos, yPos);
+                    Gen::PuzPos srcCardPos = {(int8_t)DraggedCard.X, (int8_t)DraggedCard.Y};
+                    Gen::PlacedPuzzleCard& srcCard =
+                        Data.PlacedCards[srcCardPos.Y * Puzzle::Config::MaxPuzzleSizeCards + srcCardPos.X];
+
+                    if (GetMouseButtonPressedNow(MouseButton::Right))
+                    {
+                        Puzzle::RotateCard(srcCard);
+                    }
+
+                    if (!GetMouseButton(MouseButton::Left))
+                    {
+                        Gen::PuzPos targetCardPos = {(int8_t)xPos, (int8_t)yPos};
+                        if (xPos >= 0 && xPos < Data.WidthTiles / Puzzle::Config::CardSize && yPos >= 0 &&
+                            yPos < Data.HeightTiles / Puzzle::Config::CardSize)
+                        {
+                            PlacedPuzzleCard srcCardCopy = srcCard;
+                            Gen::PlacedPuzzleCard& targetCard =
+                                Data.PlacedCards[yPos * Puzzle::Config::MaxPuzzleSizeCards + xPos];
+                            bool canBeReplaced = !Puzzle::IsValid(targetCard.RefCard) || targetCard.RefCard.Idx == 0;
+                            if (canBeReplaced && Puzzle::ReturnPlacedCard(Data, srcCardPos))
+                            {
+                                int32_t foundIdx = -1;
+                                for (int32_t availCardIdx = 0; availCardIdx < Data.AvailableCardCount; ++availCardIdx)
+                                {
+                                    if (Data.AvailableCards[availCardIdx].RefCard.Idx == srcCardCopy.RefCard.Idx)
+                                    {
+                                        foundIdx = availCardIdx;
+                                        break;
+                                    }
+                                }
+                                if (foundIdx >= 0)
+                                {
+                                    Puzzle::DragAvailableCardTo(Data, targetCardPos, foundIdx, srcCard.Rotation);
+                                }
+                                else
+                                {
+                                    LOG_ERROR("NOTFOUND: %u", srcCardCopy.RefCard.Idx);
+                                }
+                            }
+                        }
+                        else
+                        {
+                            Puzzle::ReturnPlacedCard(Data, srcCardPos);
+                        }
+                        DraggedCard.X = -1;
+                        DraggedCard.Y = -1;
+                    }
+                }
+            }
+        }
+    }
+
+    void WorldPuzzleUI::Update(Gen::PuzzleData& Data, bool IsPuzzleSolved)
+    {
+        auto& level = GetInstance().GameLevel;
+        auto& player = GetInstance().Player;
+
+        Transform& camTransform = player.PlayerCamTransform;
+        UpdateMatrix(camTransform);
+
+        // UI Tablet
+        if (IsValid(TabletHandle))
+        {
+            auto& tablet = level.UIQuads.Get(TabletHandle);
+            tablet.EData.Transform.Rotation = camTransform.Rotation;
+            Rotate(tablet.EData.Transform, {0.5f * bx::kPi, 0.0f, 0.0f});
+            tablet.EData.Transform.Position = camTransform.Position + AxisForward(camTransform.M) * 1.0f;
+            StaticData.UITransform = tablet.EData.Transform;
+            tablet.EData.Transform.Position += {0.0f, 0.0f, 0.01f};
+        }
+
+        StaticData.UITransform.Rotation = camTransform.Rotation;
+        StaticData.ZAxis = AxisForward(StaticData.UITransform.M);
+        StaticData.UITransform.Position += StaticData.ZAxis * -0.01f;
+        StaticData.MousePosWorld = GetMousePosWorld();
+
+        // NOLINTBEGIN
+        Vec2 uiOffset = Vec2{static_cast<float>(Data.WidthTiles / Puzzle::Config::CardSize - 1),
+                             static_cast<float>(Data.HeightTiles / Puzzle::Config::CardSize - 1)};
+        // NOLINTEND
+        uiOffset *= -UICardOffset * 0.5f;
+
+        auto& solvedQuad = level.UIQuads.Get(SolvedQuad);
+        solvedQuad.EData.Visible = true;
+        solvedQuad.EData.TextureHandle = IsPuzzleSolved ? GetInstance().Player.Config.TabletStatusSolvedTexture
+                                                        : GetInstance().Player.Config.TabletStatusNotSolvedTexture;
+        UpdateQuad(level.UIQuads, SolvedQuad);
+        auto& resetQuad = level.UIQuads.Get(ResetQuad);
+        resetQuad.EData.Visible = true;
+        UpdateQuad(level.UIQuads, ResetQuad);
+
+        Vec3 hoverPosWorld;
+        if (GetMouseButtonPressedNow(MouseButton::Left) &&
+            IsQuadHovered(resetQuad.EData.Transform, StaticData.MousePosWorld, hoverPosWorld))
+        {
+            Puzzle::ResetPuzzle(Data);
+        }
+
+        UpdateAvailableCards(Data);
+        UpdateBoardCards(Data);
+    }
+
+    void WorldPuzzleUI::Reset()
+    {
+        auto& level = GetInstance().GameLevel;
+        auto& config = GetInstance().Player.Config;
+        TabletHandle = NewQuad(level.UIQuads, config.TabletBackgroundRenderData, TabletHandle);
+        SolvedQuad = NewQuad(level.UIQuads, config.TabletStatusRenderData, SolvedQuad);
+        ResetQuad = NewQuad(level.UIQuads, config.TabletResetRenderData, ResetQuad);
+    }
+} // namespace Game

src/game/UI.h

@@ -0,0 +1,44 @@
+#pragma once
+
+#include "../gen/Generated.h"
+#include "Entity.h"
+#include "Puzzle.h"
+
+namespace Game
+{
+    struct StaticUIData
+    {
+        Gen::Transform UITransform;
+        Gen::Vec3 ZAxis;
+        Gen::Vec3 MousePosWorld;
+    };
+
+    struct WorldPuzzleUI
+    {
+        static constexpr float UICardScale = 0.05f;
+        static constexpr float UICardOffset = 2.1f * UICardScale;
+        static constexpr int32_t UIAvailableCardMaxStackPreview = 3;
+
+        UIQuadEntityHandle TabletHandle;
+        UIQuadEntityHandle SolvedQuad;
+        UIQuadEntityHandle ResetQuad;
+
+        UIQuadEntityHandle UIPlacedCards[Puzzle::Config::MaxCardsInPuzzle];
+        UIQuadEntityHandle UIAvailableCards[Puzzle::Config::MaxAvailableStacks * UIAvailableCardMaxStackPreview];
+        Gen::PuzPos DraggedCard{-1, -1};
+        uint16_t DraggedAvailableCardIdx = UINT16_MAX;
+
+        void Setup();
+        void UpdateAvailableCards(Gen::PuzzleData& Data);
+        void UpdateBoardCards(Gen::PuzzleData& Data);
+        void Update(Gen::PuzzleData& Data, bool IsPuzzleSolved);
+        void Reset();
+    };
+
+    UIQuadEntityHandle NewQuad(UIQuadEntityManager& manager,
+                               const Gen::SavedEntityRenderData& loadData,
+                               UIQuadEntityHandle oldHandle = {});
+    void UpdateQuad(UIQuadEntityManager& manager, UIQuadEntityHandle handle);
+    Gen::Vec3 GetMousePosWorld();
+    bool IsQuadHovered(Gen::Transform& quadTransform, Gen::Vec3 mousePosWorld, Gen::Vec3& outQuadPlaneIntersectPos);
+} // namespace Game

src/game/mini.def

@@ -1,22 +1,22 @@
 type Vec2
 {
-	f32 X
-	f32 Y
+	f32 x
+	f32 y
 }
 
 type Vec3
 {
-	f32 X
-	f32 Y
-	f32 Z
+	f32 x
+	f32 y
+	f32 z
 }
 
 type Vec4
 {
-	f32 X
-	f32 Y
-	f32 Z
-	f32 W
+	f32 x
+	f32 y
+	f32 z
+	f32 w
 }
 
 type Mat3
@@ -38,6 +38,32 @@ type Mat4
 	}")
 }
 
+type Transform
+{
+	Mat4 M
+	Mat4 MI
+	Vec3 Position
+	Mat4 Rotation
+	Vec3 Scale Default("{1.0f, 1.0f, 1.0f}")
+}
+
+type AssetHandle
+{
+	u32 Idx Default("UINT32_MAX")
+}
+
+type ModelHandle
+{
+	u16 ModelIdx Default("UINT16_MAX")
+	AssetHandle Asset
+}
+
+type TextureHandle
+{
+	u16 TextureIdx Default("UINT16_MAX")
+	AssetHandle Asset
+}
+
 type PuzPos
 {
 	i8 X
@@ -48,18 +74,31 @@ enum PuzzleElementType(u8)
 {
 	None           GameName("Empty")              ShortName("  ")
 	WaterIn        GameName("Water Source")       ShortName("~+")
-	WaterGoal      GameName("Water Goal")         ShortName("~-")
+	WaterGoal      GameName("Water Goal")         ShortName("~!")
 	WaterChannel   GameName("Water Channel")      ShortName("~")
 	ElectricIn     GameName("Electricity Source") ShortName("e+")
-	ElectricGoal   GameName("Electricity Goal")   ShortName("e-")
+	ElectricGoal   GameName("Electricity Goal")   ShortName("e!")
 	Blocked        GameName("Blocked")            ShortName("B")
 	Bridge         GameName("Bridge")             ShortName("#")
 }
 
+type CardSocket
+{
+	ModelHandle Model
+	u8 ConnectionDirection
+}
+
 type StaticPuzzleCard
 {
 	PuzzleElementType Elements     Arr(4)
-	u16               ModelHandle
+	ModelHandle       BaseModelHandle
+	ModelHandle       NorthCoverHandle
+	ModelHandle       EastCoverHandle
+	ModelHandle       SouthCoverHandle
+	ModelHandle       WestCoverHandle
+	CardSocket        Sockets      Arr(16)
+	TextureHandle     ModelTextureHandle
+	TextureHandle     BoardTextureHandle
 }
 
 type StaticPuzzleCardHandle
@@ -67,9 +106,18 @@ type StaticPuzzleCardHandle
 	u16 Idx Default("UINT16_MAX")
 }
 
+type PuzzleVisualSettings
+{
+	Vec4 TileBaseColor
+	Vec4 TileDotColor
+	Vec3 Test
+	Vec4 DisabledCardTint
+}
+
 type StaticPuzzleData
 {
 	StaticPuzzleCard Cards Arr(64)
+	PuzzleVisualSettings Visuals
 }
 
 type PuzzleCardStack
@@ -79,12 +127,18 @@ type PuzzleCardStack
 	u8                     UsedCount
 }
 
+enum PlacedPuzzleCardFlags(u8) Flags
+{
+	None
+	Locked
+}
+
 type PlacedPuzzleCard
 {
 	StaticPuzzleCardHandle RefCard
 	PuzPos                 Position
 	u8                     Rotation
-	b                      IsLocked
+	PlacedPuzzleCardFlags  Flags
 }
 
 type PuzzleData
@@ -96,7 +150,35 @@ type PuzzleData
 	u32               AvailableCardCount
 	PuzzleCardStack   AvailableCards      Arr(16)
 	PlacedPuzzleCard  PlacedCards         Arr(256)
+	PlacedPuzzleCard  InitialPlacedCards  Arr(256)
 	PuzzleElementType BackgroundTiles     Arr(1024)
 	u32               GoalPositionCount
 	PuzPos            GoalPositions       Arr(16)
 }
+
+enum EMaterial
+{
+	Default
+	UI
+}
+
+type SavedEntityRenderData
+{
+	Vec4 BaseColor
+	Vec4 HighlightColor
+	Transform TF
+	EMaterial Material
+	TextureHandle Texture
+	ModelHandle Model
+	b Visible
+}
+
+type SavedPlayerConfig
+{
+	SavedEntityRenderData TabletBackgroundRenderData
+	SavedEntityRenderData TabletStatusRenderData
+	TextureHandle TabletStatusNotSolvedTexture
+	TextureHandle TabletStatusSolvedTexture
+	SavedEntityRenderData TabletResetRenderData
+	SavedEntityRenderData BackgroundLevelRenderData Arr(16)
+}

src/game/rendering/Dither.cpp

@@ -0,0 +1,134 @@
+#include "../Gen.h"
+#include "../Log.h"
+#include "Dither.h"
+
+#include "bx/math.h"
+
+using namespace Gen;
+
+void DitherGen(DitherData& data, int32_t recursion)
+{
+    data.Points[0] = {0.0f, 0.0f};
+    data.Points[1] = {0.5f, 0.5f};
+    data.Points[2] = {0.5f, 0.0f};
+    data.Points[3] = {0.0f, 0.5f};
+    data.PointCount = 4;
+    for (int32_t i = 0; i < data.BrightnessBucketCount; ++i)
+        data.BrightnessBuckets[i] = 0;
+
+    // add "subdivided" beyer matrix layers
+    for (int32_t recursionLevel = 0; recursionLevel < recursion - 1; ++recursionLevel)
+    {
+        int32_t startCount = data.PointCount;
+        float offset = bx::pow(0.5f, recursionLevel + 1);
+        for (int32_t i = 1; i < 4; ++i)
+        {
+            for (int32_t j = 0; j < startCount; ++j)
+            {
+                data.Points[data.PointCount] = data.Points[j] + data.Points[i] * offset;
+                data.PointCount++;
+            }
+        }
+    }
+
+    // Texture info setup
+    uint64_t dotsPerSide = bx::round(bx::pow(2, recursion));
+    data.DitherTexDepth = dotsPerSide * dotsPerSide;
+    data.DitherTexWH = 16 * dotsPerSide;
+    uint64_t texPixelCount = data.DitherTexWH * data.DitherTexWH * data.DitherTexDepth;
+
+    if (BX_COUNTOF(DitherData::DitherTex) < texPixelCount)
+    {
+        LOG_ERROR("Too many pixels: %llu", texPixelCount);
+        return;
+    }
+
+    // What does this do?
+    float invRes = 1.0f / data.DitherTexWH;
+    for (int32_t z = 0; z < data.DitherTexDepth; ++z)
+    {
+        int32_t dotCount = z + 1;
+        float dotArea = 0.5f / dotCount;
+        float dotRadius = bx::sqrt(dotArea / bx::kPi);
+
+        int32_t zOffset = z * data.DitherTexWH * data.DitherTexWH;
+        for (int32_t y = 0; y < data.DitherTexWH; ++y)
+        {
+            int32_t yOffset = y * data.DitherTexWH;
+            for (int32_t x = 0; x < data.DitherTexWH; ++x)
+            {
+                Vec2 point{(x + 0.5f) * invRes, (y + 0.5f) * invRes};
+                float dist = bx::kFloatInfinity;
+                for (int32_t i = 0; i < dotCount; ++i)
+                {
+                    Vec2 vec = point - data.Points[i];
+                    float wrapX = bx::wrap(vec.x + 0.5f, 1.0f) - 0.5f;
+                    float wrapY = bx::wrap(vec.y + 0.5f, 1.0f) - 0.5f;
+                    Vec2 wrappedVec = {wrapX, wrapY};
+                    float curDist = Magnitude(wrappedVec);
+                    dist = bx::min(dist, curDist);
+                }
+
+                dist = dist / (dotRadius * 2.4f);
+                float val = bx::clamp(1.0f - dist, 0.0f, 1.0f);
+                data.DitherTex[x + yOffset + zOffset] = Vec4{val, val, val, 1.0f};
+                int32_t bucket = bx::clamp(
+                    uint32_t(val * DitherData::BrightnessBucketCount), 0, DitherData::BrightnessBucketCount - 1);
+                data.BrightnessBuckets[bucket] += 1;
+            }
+        }
+    }
+
+    // Brightness ramp
+    int32_t sum = 0;
+    for (int32_t i = 0; i < data.BrightnessBucketCount; ++i)
+    {
+        sum += data.BrightnessBuckets[data.BrightnessBucketCount - 1 - i];
+        data.BrightnessRamp[i + 1] = sum / (float)texPixelCount;
+    }
+
+    // Upload textures
+    CleanupDitherData(data);
+    const bgfx::Memory* memPreview = bgfx::makeRef(data.DitherTex, texPixelCount * sizeof(Vec4));
+    const bgfx::Memory* memFinal = bgfx::makeRef(data.DitherTex, texPixelCount * sizeof(Vec4));
+    const bgfx::Memory* memRamp = bgfx::makeRef(data.BrightnessRamp, sizeof(data.BrightnessRamp));
+    data.PreviewTex = bgfx::createTexture2D(data.DitherTexWH,
+                                            data.DitherTexWH * data.DitherTexDepth,
+                                            false,
+                                            false,
+                                            bgfx::TextureFormat::RGBA32F,
+                                            0,
+                                            memPreview);
+    data.FinalTex = bgfx::createTexture3D(
+        data.DitherTexWH, data.DitherTexWH, data.DitherTexDepth, false, bgfx::TextureFormat::RGBA32F, 0, memFinal);
+    data.RampTex =
+        bgfx::createTexture2D(BX_COUNTOF(data.BrightnessRamp), 1, false, 1, bgfx::TextureFormat::R32F, 0, memRamp);
+
+    if (!isValid(data.DitherSampler))
+    {
+        data.DitherSampler = bgfx::createUniform("s_ditherSampler", bgfx::UniformType::Sampler);
+    }
+    if (!isValid(data.RampSampler))
+    {
+        data.RampSampler = bgfx::createUniform("s_rampSampler", bgfx::UniformType::Sampler);
+    }
+}
+
+void CleanupDitherData(DitherData& data)
+{
+    if (isValid(data.PreviewTex))
+    {
+        bgfx::destroy(data.PreviewTex);
+        data.PreviewTex = BGFX_INVALID_HANDLE;
+    }
+    if (isValid(data.FinalTex))
+    {
+        bgfx::destroy(data.FinalTex);
+        data.FinalTex = BGFX_INVALID_HANDLE;
+    }
+    if (isValid(data.RampTex))
+    {
+        bgfx::destroy(data.RampTex);
+        data.RampTex = BGFX_INVALID_HANDLE;
+    }
+}

src/game/rendering/Dither.h

@@ -0,0 +1,27 @@
+#pragma once
+#include "../../gen/Generated.h"
+
+#include <bgfx/bgfx.h>
+#include <imgui.h>
+
+struct DitherData
+{
+    static constexpr uint32_t BrightnessBucketCount = 256;
+    Gen::Vec2 Points[4096];
+    uint32_t PointCount = 0;
+    Gen::Vec4 DitherTex[256 * 256 * 64];
+    uint32_t DitherTexWH = 0;
+    uint32_t DitherTexDepth = 0;
+    int32_t BrightnessBuckets[BrightnessBucketCount];
+    float BrightnessRamp[BrightnessBucketCount + 1];
+    bgfx::TextureHandle PreviewTex = BGFX_INVALID_HANDLE;
+    bgfx::TextureHandle FinalTex = BGFX_INVALID_HANDLE;
+    bgfx::TextureHandle RampTex = BGFX_INVALID_HANDLE;
+
+    bgfx::UniformHandle DitherSampler = BGFX_INVALID_HANDLE;
+    bgfx::UniformHandle RampSampler = BGFX_INVALID_HANDLE;
+    ImTextureID PreviewID = 0;
+};
+
+void DitherGen(DitherData& data, int32_t recursion);
+void CleanupDitherData(DitherData& data);

src/game/rendering/Rendering.cpp

@@ -6,13 +6,13 @@
 #include "../Tools.h"
 #include "Rendering.h"
 
-#include "SDL3/SDL_events.h"
+#include "Dither.h"
+#include "SDL3/SDL_events.h" // IWYU pragma: keep
 #include "backends/imgui_impl_sdl3.h"
 #include "bgfx/defines.h"
 #include "bx/bx.h"
-#include "bx/constants.h"
+#include "bx/debug.h"
 #include "bx/filepath.h"
-#include "bx/math.h"
 #include "bx/string.h"
 #include "bx/timer.h"
 #include <bgfx/bgfx.h>
@@ -33,15 +33,105 @@ namespace Game
 {
     namespace
     {
+        constexpr size_t ChunkSize = 1024;
+        constexpr size_t MaxFileSize = ChunkSize * 1024 * 1024;
+        constexpr size_t MaxChunkCount = MaxFileSize / ChunkSize;
+
+        bool BufferedFileRead(FILE* const file, uint8_t* const writePtrIn, size_t& outTotalReadCount)
+        {
+            uint8_t* writePtr = writePtrIn;
+            for (int32_t i = 0; i < MaxChunkCount; ++i)
+            {
+                size_t readCount = std::fread(writePtr, 1, ChunkSize, file);
+                writePtr += readCount;
+                outTotalReadCount += readCount;
+
+                if (readCount != ChunkSize)
+                {
+                    if (std::feof(file))
+                    {
+                        return true;
+                    }
+
+                    int err = std::ferror(file);
+                    if (err != 0)
+                    {
+                        LOG_ERROR("Error reading file: %i", err);
+                        return false;
+                    }
+
+                    LOG_ERROR("This should never happen!");
+                    return false;
+                }
+            }
+
+            if (!std::feof(file))
+            {
+                LOG_ERROR("File too big to be read!");
+                return false;
+            }
+
+            return true;
+        }
+
+        const bgfx::Memory* LoadBinaryFile(const char* path, int32_t retryCount = 1)
+        {
+            FILE* file = nullptr;
+            for (int32_t i = 0; i < retryCount; ++i)
+            {
+                file = std::fopen(path, "rb");
+                if (file == nullptr)
+                {
+                    if (i < retryCount - 1)
+                    {
+                        std::this_thread::sleep_for(100ms);
+                        LOG_WARN("Failed to open file, retrying...");
+                        break;
+                    }
+                    else
+                    {
+                        LOG_ERROR("Failed to open file!");
+                        return nullptr;
+                    }
+                }
+            }
+            uint8_t* dataPtr = AllocateScratch(MaxFileSize);
+            if (dataPtr == nullptr)
+            {
+                LOG_ERROR("Failed to load file, exceeded scratch memory! %s", path);
+                return nullptr;
+            }
+
+            uint64_t totalReadCount = 0;
+            bool success = BufferedFileRead(file, dataPtr, totalReadCount);
+            std::fclose(file);
+
+            if (!success)
+            {
+                LOG_ERROR("Failed to read file %s", path);
+                ResizeLastScratchAlloc(0);
+                return nullptr;
+            }
+
+            if (!ResizeLastScratchAlloc(totalReadCount))
+            {
+                LOG_ERROR("This should never happen!");
+                return nullptr;
+            }
+
+            return bgfx::makeRef(dataPtr, totalReadCount);
+        }
+
         const bgfx::Memory* loadFile(const char* path, bool appendZero = false, int32_t retryCount = 1)
         {
             FILE* file;
             for (int32_t i = 0; i < retryCount; ++i)
             {
-                file = fopen(path, "rb");
+                file = std::fopen(path, "rb");
                 if (file == nullptr && i < retryCount - 1)
                 {
                     std::this_thread::sleep_for(100ms);
+                    LOG_WARN("Failed to open file, retrying...");
                     break;
                 }
 
@@ -49,8 +139,13 @@ namespace Game
                 long fileSize = ftell(file);
                 fseek(file, 0, SEEK_SET);
 
-                long fileSizeX = appendZero ? fileSize + 1 : fileSize;
+                long fileSizeX = appendZero ? (fileSize + 1) : fileSize;
                 void* rawMem = AllocateScratch(fileSizeX);
+                if (rawMem == nullptr)
+                {
+                    LOG_ERROR("Failed to load file, exceeded scratch memory! %s", path);
+                    return nullptr;
+                }
                 const bgfx::Memory* mem = bgfx::makeRef(rawMem, fileSizeX);
                 fread(mem->data, 1, fileSize, file);
                 if (appendZero)
@@ -62,6 +157,7 @@ namespace Game
                 return mem;
             }
 
+            LOG_WARN("File inaccessible! %s", path);
             return nullptr;
         }
 
@@ -123,8 +219,8 @@ namespace Game
             bgfx::TextureHandle handle = BGFX_INVALID_HANDLE;
             bx::Error err;
 
-            const bgfx::Memory* data = loadFile(_filePath.getCPtr());
-            if (data == nullptr)
+            const bgfx::Memory* data = LoadBinaryFile(_filePath.getCPtr());
+            if (data == nullptr || data->data == nullptr || data->size == 0)
             {
                 LOG_WARN("Failed to find image %s", _filePath.getCPtr());
                 return handle;
@@ -140,8 +236,18 @@ namespace Game
                 *_orientation = imageContainer.m_orientation;
             }
 
-            const bgfx::Memory* mem =
-                bgfx::makeRef(data->data + imageContainer.m_offset, data->size - imageContainer.m_offset);
+            // We're working with ktx textures, so the size should be in front of the actual data
+            const uint32_t* texSizePtr = reinterpret_cast<uint32_t*>(data->data + imageContainer.m_offset);
+            uint8_t* dataPtr = data->data + imageContainer.m_offset + sizeof(uint32_t);
+            uint32_t dataSize = data->size - imageContainer.m_offset - sizeof(uint32_t);
+
+            // Extra sanity check
+            if (*texSizePtr != dataSize)
+            {
+                LOG_WARN("Texture size sanity check failed! %u != %u", texSizePtr, dataSize);
+                return handle;
+            }
+            const bgfx::Memory* mem = bgfx::makeRef(dataPtr, dataSize);
 
             if (NULL != _info)
             {
@@ -198,130 +304,6 @@ namespace Game
             return handle;
         }
 
-        void DitherGen(DitherData& data, int32_t recursion)
-        {
-            data.Points[0] = {0.0f, 0.0f};
-            data.Points[1] = {0.5f, 0.5f};
-            data.Points[2] = {0.5f, 0.0f};
-            data.Points[3] = {0.0f, 0.5f};
-            data.PointCount = 4;
-            for (int32_t i = 0; i < data.BrightnessBucketCount; ++i)
-                data.BrightnessBuckets[i] = 0;
-
-            for (int32_t recursionLevel = 0; recursionLevel < recursion; ++recursionLevel)
-            {
-                int32_t startCount = data.PointCount;
-                float offset = bx::pow(0.5f, recursionLevel + 1);
-                for (int32_t i = 0; i < 4; ++i)
-                {
-                    for (int32_t j = 0; j < startCount; ++j)
-                    {
-                        data.Points[data.PointCount] = data.Points[j] + data.Points[i] * offset;
-                        data.PointCount++;
-                    }
-                }
-            }
-
-            uint64_t dotsPerSide = bx::round(bx::pow(2, recursion));
-            data.DitherTexDepth = dotsPerSide * dotsPerSide;
-            data.DitherTexWH = 16 * dotsPerSide;
-            uint64_t texPixelCount = data.DitherTexWH * data.DitherTexWH * data.DitherTexDepth;
-
-            if (BX_COUNTOF(DitherData::DitherTex) < texPixelCount)
-            {
-                LOG_ERROR("Too many pixels: %llu", texPixelCount);
-                return;
-            }
-
-            float invRes = 1.0f / data.DitherTexWH;
-            for (int32_t z = 0; z < data.DitherTexDepth; ++z)
-            {
-                int32_t dotCount = z + 1;
-                float dotArea = 0.5f / dotCount;
-                float dotRadius = bx::sqrt(dotArea / bx::kPi);
-
-                int zOffset = z * data.DitherTexWH * data.DitherTexWH;
-                for (int32_t y = 0; y < data.DitherTexWH; ++y)
-                {
-                    int32_t yOffset = y * data.DitherTexWH;
-                    for (int32_t x = 0; x < data.DitherTexWH; ++x)
-                    {
-                        Vec2 point{(x + 0.5f) * invRes, (y + 0.5f) * invRes};
-                        float dist = bx::kFloatInfinity;
-                        for (int32_t i = 0; i < dotCount; ++i)
-                        {
-                            Vec2 vec = point - data.Points[i];
-                            Vec2 wrappedVec{bx::mod(vec.x + 0.5f, 1.0f) - 0.5f, bx::mod(vec.y + 0.5f, 1.0f) - 0.5f};
-                            float curDist = wrappedVec.Magnitude();
-                            dist = bx::min(dist, curDist);
-                        }
-
-                        dist = dist / (dotRadius * 2.4f);
-                        float val = bx::clamp(1.0f - dist, 0.0f, 1.0f);
-                        data.DitherTex[x + yOffset + zOffset] = Vec4{val, val, val, 1.0f};
-                        // data.DitherTex[x + yOffset + zOffset] = Vec4{1.0, 0.0f, 0.0f, 1.0f};
-                        int32_t bucket = bx::clamp(uint32_t(val * DitherData::BrightnessBucketCount),
-                                                   0,
-                                                   DitherData::BrightnessBucketCount - 1);
-                        data.BrightnessBuckets[bucket] += 1;
-                    }
-                }
-            }
-
-            // Brightness ramp
-            int32_t sum = 0;
-            for (int32_t i = 0; i < data.BrightnessBucketCount; ++i)
-            {
-                sum += data.BrightnessBuckets[data.BrightnessBucketCount - 1 - i];
-                data.BrightnessRamp[i + 1] = sum / (float)texPixelCount;
-            }
-
-            // Upload textures
-            if (isValid(data.PreviewTex))
-            {
-                bgfx::destroy(data.PreviewTex);
-                data.PreviewTex = BGFX_INVALID_HANDLE;
-            }
-            if (isValid(data.FinalTex))
-            {
-                bgfx::destroy(data.FinalTex);
-                data.FinalTex = BGFX_INVALID_HANDLE;
-            }
-            if (isValid(data.RampTex))
-            {
-                bgfx::destroy(data.RampTex);
-                data.RampTex = BGFX_INVALID_HANDLE;
-            }
-            const bgfx::Memory* memPreview = bgfx::makeRef(data.DitherTex, texPixelCount * sizeof(Vec4));
-            const bgfx::Memory* memFinal = bgfx::makeRef(data.DitherTex, texPixelCount * sizeof(Vec4));
-            const bgfx::Memory* memRamp = bgfx::makeRef(data.BrightnessRamp, sizeof(data.BrightnessRamp));
-            data.PreviewTex = bgfx::createTexture2D(data.DitherTexWH,
-                                                    data.DitherTexWH * data.DitherTexDepth,
-                                                    false,
-                                                    false,
-                                                    bgfx::TextureFormat::RGBA32F,
-                                                    0,
-                                                    memPreview);
-            data.FinalTex = bgfx::createTexture3D(data.DitherTexWH,
-                                                  data.DitherTexWH,
-                                                  data.DitherTexDepth,
-                                                  false,
-                                                  bgfx::TextureFormat::RGBA32F,
-                                                  0,
-                                                  memFinal);
-            data.RampTex = bgfx::createTexture2D(
-                BX_COUNTOF(data.BrightnessRamp), 1, false, 1, bgfx::TextureFormat::R32F, 0, memRamp);
-
-            if (!isValid(data.DitherSampler))
-            {
-                data.DitherSampler = bgfx::createUniform("s_ditherSampler", bgfx::UniformType::Sampler);
-            }
-            if (!isValid(data.RampSampler))
-            {
-                data.RampSampler = bgfx::createUniform("s_rampSampler", bgfx::UniformType::Sampler);
-            }
-        }
-
         GameRendering* Instance = nullptr;
     } // namespace
 
@@ -331,19 +313,24 @@ namespace Game
         return *Instance;
     }
 
-    void GameRendering::Setup()
+    void GameRendering::Setup(const RenderingSetup& setup)
     {
         LOG("--- RENDERING STARTUP ---");
         ZoneScopedN("Setup");
 
+        SetupData = setup;
+
         if (Instance != nullptr) LOG_WARN("old rendering wasn't destroyed!");
         Instance = this;
         SharedData& shared = GetShared();
 
         bgfx::Init init;
-        init.type = bgfx::RendererType::Direct3D12;
+        init.type = bgfx::RendererType::Direct3D11;
 #ifdef _DEBUG
-        // init.debug = true;
+        init.debug = true;
+        // init.debug = false;
+#else
+        init.debug = false;
 #endif
         init.platformData.nwh = shared.Window.Handle;
         init.platformData.ndt = nullptr;
@@ -365,35 +352,34 @@ namespace Game
         {
             LOG("BGFX setup succeded!");
         }
-        // bgfx::setDebug(BGFX_DEBUG_TEXT);
         bgfx::setViewClear(MainViewID, BGFX_CLEAR_COLOR | BGFX_CLEAR_DEPTH, 0x3399FFff, 1.0f, 0);
         bgfx::setViewRect(MainViewID, 0, 0, shared.Window.WindowWidth, shared.Window.WindowHeight);
 
         DefaultSampler = bgfx::createUniform("s_texColor", bgfx::UniformType::Sampler);
-        Textures[0].Handle = loadTexture(
-            bx::FilePath{"models/body.dds"}, BGFX_TEXTURE_NONE | BGFX_SAMPLER_NONE, 0, &Textures[0].Info, nullptr);
-        Textures[0].SamplerHandle = DefaultSampler;
+        LoadTextures();
         LoadModels(Models, ModelCount);
 
-        Materials[0] =
-            Material::LoadFromShader("vert", "frag", MainViewID, Textures[0].Handle, Textures[0].SamplerHandle);
-        imguiCreate();
-        SetImguiStyle();
+        ReloadShaders();
 
-        if (!ImGui_ImplSDL3_InitForOther(shared.Window.SDLWindow))
+        if (SetupData.UseImgui)
         {
-            LOG_ERROR("Failed to set up imgui implementation!");
-            return;
-        }
+            imguiCreate();
+            SetImguiStyle();
+            if (!ImGui_ImplSDL3_InitForOther(shared.Window.SDLWindow))
+            {
+                LOG_ERROR("Failed to set up imgui implementation!");
+                return;
+            }
 
-        // ImGui::GetIO().BackendFlags |= ImGuiBackendFlags_RendererHasViewports;
-        ImGui::GetIO().ConfigFlags |= ImGuiConfigFlags_DockingEnable;
-        // ImGui::GetIO().ConfigFlags |= ImGuiConfigFlags_ViewportsEnable;
-        // auto& platIO = ImGui::GetPlatformIO();
-        // platIO.Renderer_CreateWindow = TODO;
-        // platIO.Platform_DestroyWindow = TODO;
-        // platIO.Platform_SetWindowSize = TODO;
-        // platIO.Platform_RenderWindow = TODO;
+            // ImGui::GetIO().BackendFlags |= ImGuiBackendFlags_RendererHasViewports;
+            ImGui::GetIO().ConfigFlags |= ImGuiConfigFlags_DockingEnable;
+            // ImGui::GetIO().ConfigFlags |= ImGuiConfigFlags_ViewportsEnable;
+            // auto& platIO = ImGui::GetPlatformIO();
+            // platIO.Renderer_CreateWindow = TODO;
+            // platIO.Platform_DestroyWindow = TODO;
+            // platIO.Platform_SetWindowSize = TODO;
+            // platIO.Platform_RenderWindow = TODO;
+        }
 
         GameInstance& inst = GetInstance();
         if (!inst.IsInitialized)
@@ -401,13 +387,16 @@ namespace Game
             inst.Time.StartTime = bx::getHPCounter();
         }
 
-        if (inst.DebugData.ImguiIniSize > 0)
+        if (SetupData.UseImgui)
         {
-            ImGui::LoadIniSettingsFromMemory(inst.DebugData.ImguiIni, inst.DebugData.ImguiIniSize);
-        }
-        else
-        {
-            ImGui::LoadIniSettingsFromDisk("imgui.ini");
+            if (inst.DebugData.ImguiIniSize > 0)
+            {
+                ImGui::LoadIniSettingsFromMemory(inst.DebugData.ImguiIni, inst.DebugData.ImguiIniSize);
+            }
+            else
+            {
+                ImGui::LoadIniSettingsFromDisk("imgui.ini");
+            }
         }
         DitherGen(DitherTextures, DitherRecursion);
     }
@@ -419,7 +408,10 @@ namespace Game
 
         for (uint16_t i = 0; i < shared.Window.SDLEventCount; ++i)
         {
-            ImGui_ImplSDL3_ProcessEvent(&shared.Window.SDLEvents[i]);
+            if (SetupData.UseImgui)
+            {
+                ImGui_ImplSDL3_ProcessEvent(&shared.Window.SDLEvents[i]);
+            }
         }
         shared.Window.SDLEventCount = 0;
 
@@ -437,228 +429,98 @@ namespace Game
         FileChangeNotification* shaderChange = nullptr;
         if (shared.Dev.ChangedShaderCount > 0)
         {
+            char buf[1024]{0};
+            for (int32_t i = 0; i < shared.Dev.ChangedShaderCount; ++i)
+            {
+                wcstombs(buf, shared.Dev.ChangedShaders[i].FileName, sizeof(buf));
+                LOG("Changed: %s", buf);
+            }
             shared.Dev.ChangedShaderCount = 0;
 
             // TODO: when to destroy shader?
             // TODO: only reload changed shaders
-            bgfx::ShaderHandle vertexShader = loadShader("vert");
-            bgfx::ShaderHandle fragmentShader = loadShader("frag");
-            if (isValid(vertexShader) && isValid(fragmentShader))
+            ReloadShaders();
+        }
+    }
+
+    void GameRendering::LoadTextures()
+    {
+        for (int32_t i = 0; i < MaxTextures; ++i)
+        {
+            Textures[i] = {};
+        }
+
+        bx::Error err;
+        bx::DirectoryReader reader{};
+        if (!reader.open("textures", &err) || !err.isOk())
+        {
+            LOG_ERROR("Failed to read textures dir: %s", err.getMessage());
+        }
+        bx::FileInfo info;
+        int32_t textureFilePathCount = 0;
+        bx::FilePath textureFilePaths[GameRendering::MaxTextures];
+        while (err.isOk())
+        {
+            int32_t res = reader.read(&info, sizeof(info), &err);
+            if (res == 0) break; // EOF
+            if (res != sizeof(info))
             {
-                bgfx::ProgramHandle newProgram = bgfx::createProgram(vertexShader, fragmentShader, true);
-                if (isValid(newProgram))
+                LOG_ERROR("Dir iter error: %s", err.getMessage());
+                break;
+            }
+            const bx::StringView ext = info.filePath.getExt();
+            bool isDDS = bx::strCmp(ext, ".dds") == 0;
+            bool isKTX = bx::strCmp(ext, ".ktx") == 0;
+            if ((isDDS || isKTX) && !ext.isEmpty() && info.type == bx::FileType::File)
+            {
+                if (textureFilePathCount >= GameRendering::MaxTextures)
                 {
-                    Materials[0].Shader = newProgram;
-                    LastShaderLoadTime = GetInstance().Time.Now;
-                }
-                else
-                {
-                    LOG_WARN("Failed to load shader!");
-                    LastShaderLoadTime = -1.0f;
+                    LOG_ERROR("Texture limit reached!");
+                    break;
                 }
+                textureFilePaths[textureFilePathCount] = info.filePath;
+                textureFilePathCount++;
+            }
+        }
+        LOG("Found %u textures!", textureFilePathCount);
+
+        for (int32_t i = 0; i < textureFilePathCount; ++i)
+        {
+            bx::FilePath fullPath{"textures"};
+            fullPath.join(textureFilePaths[i]);
+            Textures[i].RenderHandle =
+                loadTexture(fullPath, BGFX_TEXTURE_NONE | BGFX_SAMPLER_NONE, 0, &Textures[i].Info, nullptr);
+            Textures[i].SamplerHandle = DefaultSampler;
+            Textures[i].TexHandle.TextureIdx = i;
+            Textures[i].TexHandle.Asset.Idx = CrcPath(fullPath.getCPtr());
+            auto& debug = GetInstance().DebugData;
+            if (debug.AssetCount < debug.MaxAssets)
+            {
+                debug.AssetHandles[debug.AssetCount] = Textures[i].TexHandle.Asset;
+                bx::strCopy(debug.AssetHandlePaths[debug.AssetCount],
+                            sizeof(debug.AssetHandlePaths[debug.AssetCount]),
+                            fullPath.getCPtr());
+                ++debug.AssetCount;
             }
         }
     }
 
-    void GameRendering::RenderDebugUI()
+    void GameRendering::ReloadShaders()
     {
-        ZoneScopedN("DebugUI");
-
-        auto& shared = GetShared();
-        auto& debug = GetInstance().DebugData;
-        auto& level = GetInstance().GameLevel;
-
-        if (ImGui::IsMouseClicked(ImGuiMouseButton_Right))
-        {
-            debug.DebugCardRotation++;
-            if (debug.DebugCardRotation >= 4) debug.DebugCardRotation = 0;
-        }
-        if (ImGui::Begin("Rendering"))
-        {
-            if (LastShaderLoadTime >= 0.0f)
-            {
-                ImGui::TextColored({0.2f, 0.9f, 0.2f, 1.0f},
-                                   "Shader loaded %.0f seconds ago",
-                                   GetInstance().Time.Now - LastShaderLoadTime);
-            }
-            else
-            {
-                ImGui::TextColored({0.9f, 0.2f, 0.2f, 1.0f}, "Shader load Failiure!");
-            }
-            if (ImGui::Button("Reload Meshes"))
-            {
-                LoadModels(Models, ModelCount);
-            }
-            ImGui::SameLine();
-            if (ImGui::Button("Reload Level"))
-            {
-                level = {};
-                level.Setup(shared.Game);
-            }
-            ImGui::Checkbox("Show ImGui Demo", &debug.ShowImguiDemo);
-            if (debug.ShowImguiDemo) ImGui::ShowDemoWindow(&debug.ShowImguiDemo);
-            ImGui::Separator();
-
-            ImGui::Checkbox("Cubes", &level.Cubes.IsEnabled);
-            ImGui::Checkbox("Tests", &level.Tests.IsEnabled);
-            ImGui::Checkbox("PuzzleTiles", &level.PuzzleTiles.IsEnabled);
-            ImGui::Checkbox("UIQuads", &level.UIQuads.IsEnabled);
-
-            if (ImGui::Button("Dithergen"))
-            {
-                DitherGen(DitherTextures, DitherRecursion);
-            }
-            ImGui::SameLine();
-            ImGui::SliderInt("Recursion", &DitherRecursion, 1, 4);
-            ImGui::Text(
-                "%ux%ux%u", DitherTextures.DitherTexWH, DitherTextures.DitherTexWH, DitherTextures.DitherTexDepth);
-            if (!isValid(DitherTextures.PreviewTex))
-            {
-                ImGui::Text("Invalid Texture");
-            }
-            else
-            {
-                ImGui::Image(DitherTextures.PreviewTex.idx,
-                             {(float)DitherTextures.DitherTexWH,
-                              (float)DitherTextures.DitherTexWH * DitherTextures.DitherTexDepth});
-            }
-            if (isValid(DitherTextures.RampTex))
-            {
-                ImGui::Image(DitherTextures.RampTex.idx, {BX_COUNTOF(DitherTextures.BrightnessRamp), 8});
-            }
-            Vec3 quadPos = level.UIQuads.Get({0}).EData.Transform.GetPosition();
-            ImGui::Text("%f %f %f", quadPos.x, quadPos.y, quadPos.z);
-
-            if (ImGui::ColorEdit3("Base Color", &DefaultBaseColor.x))
-            {
-                auto& tiles = GetInstance().GameLevel.PuzzleTiles;
-                for (int32_t i = 0; i < tiles.Count; ++i)
-                {
-                    tiles.Data[i].EData.BaseColor = DefaultBaseColor;
-                }
-            }
-            if (ImGui::ColorEdit3("Dot Color", &DefaultTileColor.x))
-            {
-                auto& tiles = GetInstance().GameLevel.PuzzleTiles;
-                for (int32_t i = 0; i < tiles.Count; ++i)
-                {
-                    tiles.Data[i].EData.TestColor = DefaultTileColor;
-                }
-            }
-
-            ImGui::Text("Shader log:");
-            ImGui::TextWrapped("%s", GetShared().Dev.ShaderLog);
-        }
-        ImGui::End();
-        if (ImGui::Begin("Puzzles"))
-        {
-            if (ImGui::Button("Add"))
-            {
-                bool found = false;
-                for (int32_t i = 0; i < BX_COUNTOF(level.Puzzles); ++i)
-                {
-                    auto& puz = level.Puzzles[i].Data;
-                    if (puz.ID == UINT16_MAX)
-                    {
-                        bx::strCopy(puz.PuzzleName, sizeof(puz.PuzzleName), "Unnamed Puzzle");
-                        puz.ID = i;
-                        found = true;
-                        break;
-                    }
-                }
-                if (!found)
-                {
-                    LOG_ERROR("Too many puzzles!");
-                }
-            }
-            ImGui::Separator();
-            for (int32_t i = 0; i < BX_COUNTOF(level.Puzzles); ++i)
-            {
-                auto& puzzleData = level.Puzzles[i].Data;
-                if (puzzleData.ID == UINT16_MAX) continue;
-
-                bool isSelected = debug.SelectedDebugLevel == i;
-                ImGui::PushID("selectable");
-                if (ImGui::Selectable(puzzleData.PuzzleName, isSelected))
-                {
-                    debug.SelectedDebugLevel = isSelected ? UINT16_MAX : i;
-                }
-                ImGui::PopID();
-            }
-        }
-        ImGui::End();
-        if (debug.SelectedDebugLevel < BX_COUNTOF(level.Puzzles))
-        {
-            if (!Puzzle::RenderDebugUI(level.Puzzles[debug.SelectedDebugLevel].Data))
-            {
-                debug.SelectedDebugLevel = UINT16_MAX;
-            }
-        }
-        if (ImGui::Begin("Cards"))
-        {
-            Generated::StaticPuzzleData& staticData = Puzzle::GetStaticPuzzleData();
-            if (ImGui::Button("Save"))
-            {
-                Puzzle::SaveStaticPuzzleData();
-            }
-            ImGui::SameLine();
-            if (ImGui::Button("Reload"))
-            {
-                Puzzle::LoadStaticPuzzleData();
-            }
-
-            for (int32_t i = 0; i < BX_COUNTOF(staticData.Cards); ++i)
-            {
-                ImGui::Separator();
-
-                Generated::StaticPuzzleCard& card = staticData.Cards[i];
-                ImGui::PushID(i);
-                char cardName[64]{0};
-                bx::snprintf(cardName, sizeof(cardName), "%i", i);
-                ImGui::Selectable(cardName);
-                if (ImGui::BeginDragDropSource())
-                {
-                    Puzzle::DrawCard(card, debug.DebugCardRotation, ImGui::GetCursorScreenPos());
-                    ImGui::SetDragDropPayload("cardtype", &i, sizeof(i));
-                    ImGui::EndDragDropSource();
-                }
-
-                Tools::ModelDropdown(card.ModelHandle);
-                for (int8_t y = 0; y < Puzzle::Config::CardSize; ++y)
-                {
-                    ImGui::PushID(y);
-                    for (int8_t x = 0; x < Puzzle::Config::CardSize; ++x)
-                    {
-                        if (x > 0) ImGui::SameLine();
-                        ImGui::PushID(x);
-                        auto& node = Puzzle::EditCardNodeAt(card, 0, x, y);
-                        if (ImGui::Button(Generated::PuzzleElementType::ShortName[node], {26, 24}))
-                        {
-                            int32_t newVal = int32_t(node) + 1;
-                            if (newVal >= Generated::PuzzleElementType::EntryCount)
-                            {
-                                newVal = 0;
-                            }
-                            node = Generated::PuzzleElementType::Enum(newVal);
-                        }
-                        ImGui::PopID();
-                    }
-                    ImGui::PopID();
-                }
-                ImGui::PopID();
-            }
-        }
-        ImGui::End();
+        Materials[Gen::EMaterial::Default] = Material::LoadFromShader("dither/vert", "dither/frag", MainViewID);
+        Materials[Gen::EMaterial::UI] = Material::LoadFromShader("normal/vert", "normal/frag", MainViewID);
     }
 
     void GameRendering::Update()
     {
         ZoneScopedN("Rendering");
         SharedData& shared = GetShared();
+        auto& time = GetInstance().Time;
 
         HandleEvents();
 
         // Start Rendering
+        if (SetupData.UseImgui)
         {
             ZoneScopedN("Imgui Start Frame");
             imguiBeginFrame(20);
@@ -666,21 +528,19 @@ namespace Game
             ImGui::DockSpaceOverViewport(0, 0, ImGuiDockNodeFlags_PassthruCentralNode);
         }
 
-        if (UIVisible == UIVisibilityState::Debug)
-        {
-            RenderDebugUI();
-        }
+        Tools::RenderDebugUI(*this);
 
         GetInstance().GameLevel.Update();
-        GetInstance().GameLevel.Render(MainViewID, Models, Materials);
+        GetInstance().GameLevel.Render(MainViewID, Models, Materials, Textures);
 
         // Finish Frame
+        if (SetupData.UseImgui)
         {
             ZoneScopedN("Imgui End Frame");
             imguiEndFrame();
         }
 
-        if (ImGui::GetIO().ConfigFlags & ImGuiConfigFlags_ViewportsEnable)
+        if (SetupData.UseImgui && ImGui::GetIO().ConfigFlags & ImGuiConfigFlags_ViewportsEnable)
         {
             ZoneScopedN("Imgui Platform Update");
             ImGui::UpdatePlatformWindows();
@@ -699,19 +559,39 @@ namespace Game
     {
         ZoneScopedN("Shutdown");
         LOG("--- RENDERING_SHUTDOWN ---");
-        ImGui::SaveIniSettingsToDisk("imgui.ini");
-        auto& debug = GetInstance().DebugData;
-        const char* iniData = ImGui::SaveIniSettingsToMemory(reinterpret_cast<uint64_t*>(&debug.ImguiIniSize));
-        assert(debug.ImguiIniSize <= BX_COUNTOF(InstanceDebugData::ImguiIni));
-        bx::memCopy(debug.ImguiIni, iniData, bx::min(debug.ImguiIniSize, BX_COUNTOF(InstanceDebugData::ImguiIni)));
-        ImGui_ImplSDL3_Shutdown();
-        imguiDestroy();
+
+        for (int32_t i = 0; i < BX_COUNTOF(Textures); ++i)
+        {
+            if (isValid(Textures[i].RenderHandle))
+            {
+                bgfx::destroy(Textures[i].RenderHandle);
+                Textures[i].RenderHandle = {bgfx::kInvalidHandle};
+            }
+        }
+        for (int32_t i = 0; i < ModelCount; ++i)
+        {
+            bgfx::destroy(Models[i].VertexBuffer);
+            bgfx::destroy(Models[i].IndexBuffer);
+        }
+        ModelCount = 0;
+
+        CleanupDitherData(DitherTextures);
+        if (SetupData.UseImgui)
+        {
+            ImGui::SaveIniSettingsToDisk("imgui.ini");
+            auto& debug = GetInstance().DebugData;
+            const char* iniData = ImGui::SaveIniSettingsToMemory(reinterpret_cast<uint64_t*>(&debug.ImguiIniSize));
+            assert(debug.ImguiIniSize <= BX_COUNTOF(InstanceDebugData::ImguiIni));
+            bx::memCopy(debug.ImguiIni, iniData, bx::min(debug.ImguiIniSize, BX_COUNTOF(InstanceDebugData::ImguiIni)));
+            ImGui_ImplSDL3_Shutdown();
+            imguiDestroy();
+        }
+
         bgfx::shutdown();
         Instance = nullptr;
     }
 
-    Material Material::LoadFromShader(
-        const char* vertPath, const char* fragPath, uint16_t view, bgfx::TextureHandle tex, bgfx::UniformHandle sampler)
+    Material Material::LoadFromShader(const char* vertPath, const char* fragPath, uint16_t view)
     {
         BX_ASSERT(vertPath != nullptr && fragPath != nullptr, "Invalid shader path!");
         bgfx::ShaderHandle vertexShader = loadShader(vertPath);
@@ -722,26 +602,25 @@ namespace Game
         mat.State = 0 | BGFX_STATE_WRITE_RGB | BGFX_STATE_WRITE_A | BGFX_STATE_WRITE_Z | BGFX_STATE_DEPTH_TEST_LESS |
                     BGFX_STATE_CULL_CCW | BGFX_STATE_MSAA;
         mat.Uniforms[Material::UTime] = bgfx::createUniform("u_time", bgfx::UniformType::Vec4);
-        mat.Uniforms[Material::UDotColor] = bgfx::createUniform("u_testColor", bgfx::UniformType::Vec4);
+        mat.Uniforms[Material::UDotColor] = bgfx::createUniform("u_dotColor", bgfx::UniformType::Vec4);
         mat.Uniforms[Material::UTexInfo] = bgfx::createUniform("u_texInfo", bgfx::UniformType::Vec4);
         mat.Uniforms[Material::UBaseColor] = bgfx::createUniform("u_baseColor", bgfx::UniformType::Vec4);
-        mat.Textures[0].Handle = tex;
-        mat.Textures[0].SamplerHandle = sampler;
         mat.ViewID = view;
         return mat;
     }
 
-    uint16_t GameRendering::GetModelHandleFromPath(const char* path)
+    Gen::ModelHandle GameRendering::GetModelHandleFromPath(const char* path)
     {
         uint32_t AssetHandle = CrcPath(path);
         for (int32_t i = 0; i < ModelCount; ++i)
         {
-            if (Models[i].AssetHandle == AssetHandle)
+            if (Models[i].Handle.Asset.Idx == AssetHandle)
             {
-                return i;
+                return Models[i].Handle;
             }
         }
-        return 0;
+        LOG_WARN("Failed to find model for path %s", path);
+        return {};
     }
 
 } // namespace Game

src/game/rendering/Rendering.h

@@ -4,8 +4,8 @@
 #include <bx/string.h>
 #include <cstdint>
 
-#include "../Global.h"
-#include "imgui.h"
+#include "../../gen/Generated.h"
+#include "Dither.h"
 
 union SDL_Event;
 
@@ -26,17 +26,42 @@ namespace Game
 
     struct Texture
     {
-        bgfx::UniformHandle SamplerHandle;
-        bgfx::TextureHandle Handle;
+        bgfx::UniformHandle SamplerHandle = {bgfx::kInvalidHandle};
+        bgfx::TextureHandle RenderHandle = {bgfx::kInvalidHandle};
         bgfx::TextureInfo Info;
+        Gen::TextureHandle TexHandle;
+    };
+
+    struct ModelSocket
+    {
+        static constexpr uint16_t MaxSocketNameLength = 64;
+        Gen::Vec3 Pos;
+        Gen::Mat4 Rot;
+        char Name[MaxSocketNameLength]{};
+    };
+
+    struct HeightMap
+    {
+        static constexpr uint32_t Width = 64;
+        static constexpr uint32_t Height = 64;
+        uint8_t Values[Width * Height]{0};
     };
 
     struct Model
     {
-        bgfx::VertexBufferHandle VertexBuffer;
-        bgfx::IndexBufferHandle IndexBuffer;
+        static constexpr uint16_t MaxSocketCount = 16;
+        bgfx::VertexBufferHandle VertexBuffer = {bgfx::kInvalidHandle};
+        bgfx::IndexBufferHandle IndexBuffer = {bgfx::kInvalidHandle};
         bgfx::VertexLayout VertLayout;
-        uint32_t AssetHandle = UINT16_MAX;
+        Gen::ModelHandle Handle;
+        uint16_t SocketCount = 0;
+        ModelSocket Sockets[MaxSocketCount];
+        HeightMap Height;
+        bgfx::TextureHandle HeightMapTexture = {bgfx::kInvalidHandle};
+        Gen::Vec3 MinPos;
+        Gen::Vec3 MaxPos;
+        Gen::Vec3 Size;
+        char Name[128]{0};
     };
 
     struct Material
@@ -51,14 +76,9 @@ namespace Game
 
         bgfx::ProgramHandle Shader;
         bgfx::UniformHandle Uniforms[8];
-        Texture Textures[4];
         uint64_t State = 0;
         uint32_t ViewID = 0;
-        static Material LoadFromShader(const char* vertPath,
-                                       const char* fragPath,
-                                       uint16_t view,
-                                       bgfx::TextureHandle = BGFX_INVALID_HANDLE,
-                                       bgfx::UniformHandle sampler = BGFX_INVALID_HANDLE);
+        static Material LoadFromShader(const char* vertPath, const char* fragPath, uint16_t view);
     };
 
     enum class UIVisibilityState
@@ -68,29 +88,16 @@ namespace Game
         Debug,
     };
 
-    struct DitherData
+    struct RenderingSetup
     {
-        static constexpr uint32_t BrightnessBucketCount = 256;
-        Vec2 Points[4096];
-        uint32_t PointCount = 0;
-        Vec4 DitherTex[256 * 256 * 64];
-        uint32_t DitherTexWH = 0;
-        uint32_t DitherTexDepth = 0;
-        int32_t BrightnessBuckets[BrightnessBucketCount];
-        float BrightnessRamp[BrightnessBucketCount + 1];
-        bgfx::TextureHandle PreviewTex = BGFX_INVALID_HANDLE;
-        bgfx::TextureHandle FinalTex = BGFX_INVALID_HANDLE;
-        bgfx::TextureHandle RampTex = BGFX_INVALID_HANDLE;
-
-        bgfx::UniformHandle DitherSampler = BGFX_INVALID_HANDLE;
-        bgfx::UniformHandle RampSampler = BGFX_INVALID_HANDLE;
-        ImTextureID PreviewID = 0;
+        bool UseImgui = true;
     };
 
     class GameRendering
     {
       public:
         static constexpr uint32_t MaxModels = 64;
+        static constexpr uint32_t MaxTextures = 64;
         static GameRendering& Get();
 
       public:
@@ -98,26 +105,26 @@ namespace Game
         DitherData DitherTextures;
 
       public:
+        RenderingSetup SetupData;
         bgfx::UniformHandle DefaultSampler;
-        Texture Textures[8];
+        Texture Textures[MaxTextures];
         Material Materials[8];
         uint32_t ModelCount = 0;
         Model Models[MaxModels];
         int32_t LastWidth = 0;
         int32_t LastHeight = 0;
-        uint32_t ResetFlags = BGFX_RESET_NONE;
+        uint32_t ResetFlags = BGFX_RESET_VSYNC;
         uint16_t MainViewID = 10;
         float LastShaderLoadTime = 0.0f;
         int32_t DitherRecursion = 1;
-        Vec4 DefaultBaseColor;
-        Vec4 DefaultTileColor;
 
       public:
-        void Setup();
+        void Setup(const RenderingSetup& setup);
         void Update();
         void HandleEvents();
-        void RenderDebugUI();
+        void LoadTextures();
+        void ReloadShaders();
         void Shutdown();
-        uint16_t GetModelHandleFromPath(const char* path);
+        Gen::ModelHandle GetModelHandleFromPath(const char* path);
     };
 } // namespace Game

src/game/shaders/dither/frag.sc

@@ -0,0 +1,147 @@
+$input v_color0
+$input v_normal
+$input v_uv0
+$input v_wpos
+
+#include "../common.sh"
+
+SAMPLER2D(s_texColor, 0);
+SAMPLER3D(s_ditherSampler, 1);
+SAMPLER2D(s_rampSampler, 2);
+uniform vec4 u_time;
+uniform vec4 u_dotColor;
+uniform vec4 u_texInfo;
+uniform vec4 u_baseColor;
+
+float calcBrightness(vec3 lightPos, vec3 vertPos, vec3 normal)
+{
+	vec3 lightDir = normalize(lightPos - vertPos);
+	float diffuse = max(0.0, dot(lightDir, normal));
+	return diffuse * clamp(1.0 - distance(lightPos, vertPos) * 0.01, 0.0, 1.0);
+}
+
+float calcBrightnessDirectional(vec3 sunDir, vec3 normal)
+{
+	return max(0.0, dot(sunDir, normal));
+}
+
+vec3 desaturate(vec3 color)
+{
+	return vec3_splat(dot(color, vec3(0.33, 0.34, 0.33)));
+}
+
+float dither(float brightness, vec2 inputUv)
+{
+	float globalScale = 6;
+	
+	// constants
+	float xRes = u_texInfo.z;
+	float dotsPerSide = xRes / 16;
+	float dotsTotal = dotsPerSide * dotsPerSide;
+	float invXRes = 1 / xRes;
+	float zRes = dotsTotal;
+	float invZRes = 1 / zRes;
+	
+	vec2 rampLookupUv = vec2((0.5 * invXRes + (1 - invXRes) * brightness), 0.5);
+	float brightnessCurve = texture2D(s_rampSampler, rampLookupUv).r;
+	
+	// Magic dot frequency calculation
+	vec2 dx = dFdx(inputUv);
+	vec2 dy = dFdy(inputUv);
+	mat2 mat = mat2(dx, dy);
+	vec4 vectorized = vec4(dx, dy);
+	float qq = dot(vectorized, vectorized);
+	float rr = determinant(mat);
+	float discriminantSqr = max(0.0, qq*qq - 4.0*rr*rr);
+	float discriminant = sqrt(discriminantSqr);	
+	vec2 freq = sqrt(vec2(qq + discriminant, qq - discriminant) / 2.0);
+
+	// Figuring out how many dots we want
+	float scaleExp = exp2(globalScale);
+	float spacing = freq.y * scaleExp;
+	spacing *= dotsPerSide * (1 / globalScale); // todo: just guessed that globalScale is the right variable here
+
+	float brightnessSpacingMultiplier = pow(brightnessCurve * 2 + 0.001, -(1 - 0.5));
+	spacing *= brightnessSpacingMultiplier;
+	
+	float spacingLog = log2(spacing);
+	int patternScaleLevel = int(floor(spacingLog));
+	float patternFractional = spacingLog - patternScaleLevel;
+	vec2 uv = inputUv / exp2(patternScaleLevel);
+	
+	// patternFractional *= patternFractional;
+	// patternFractional = smoothstep(0, 1, patternFractional);
+	float subLayer = lerp(0.25 * dotsTotal, dotsTotal, 1 - patternFractional);
+	subLayer = (subLayer - 0.5) * invZRes;
+	
+	float pattern = texture3D(s_ditherSampler, vec3(uv, subLayer)).r;	
+	
+	float contrast = 0.5 * scaleExp * brightnessSpacingMultiplier * 0.1;
+	contrast *= pow(freq.y / freq.x, 1.0);
+	float baseVal = lerp(0.5, brightness, saturate(1.05 / (1 + contrast)));
+	float threshold = 1 - brightnessCurve;
+	
+	return saturate((pattern - threshold) * contrast + baseVal);
+}
+
+vec4 rgbToCmyk(vec3 rgb)
+{
+	float k = min(1.0 - rgb.r, min(1.0 - rgb.g, 1.0 - rgb.b));
+	vec3 cmy = vec3(0.0, 0.0, 0.0);
+	float invK = 1.0 - k;
+	if (invK != 0.0)
+	{
+		cmy.x = 1.0 - rgb.r - k;
+		cmy.y = 1.0 - rgb.g - k;
+		cmy.z = 1.0 - rgb.b - k;
+		cmy /= invK;
+	}
+	return saturate(vec4(cmy, k));
+}
+
+vec3 cmykToRgb(vec4 cmyk)
+{
+	float invK = 1.0 - cmyk.w;
+	float r = 1.0 - min(1.0, cmyk.x * invK + cmyk.w);
+	float g = 1.0 - min(1.0, cmyk.y * invK + cmyk.w);
+	float b = 1.0 - min(1.0, cmyk.z * invK + cmyk.w);
+	return saturate(vec3(r,g,b));
+}
+
+vec2 rotateUV(vec2 uv, vec2 angle)
+{
+	return uv;
+}
+
+void main()
+{
+	// setup
+	bool isTextured = u_dotColor.x < 0.02;
+	float testRadius = 30.0;
+	float testSpeed = 1.0;
+	vec3 testOffset = vec3(0.0, 0.0, 50.0);
+	vec3 lightPos = vec3(sin(u_time.x * testSpeed) * testRadius, 5.0, cos(u_time.x * testSpeed) * testRadius);
+	vec3 baseColor = u_baseColor.xyz;
+	vec3 texColor = isTextured ? texture2D(s_texColor, v_uv0).xyz : u_dotColor.xyz;
+
+	// lighting
+	float brightness = lerp(0.2, 0.8, calcBrightnessDirectional(vec3(0.5, 0.3, 1.0), v_normal));
+
+	// dither
+	float r = dither(texColor.r * brightness, v_uv0);
+	float g = dither(texColor.g * brightness, v_uv0);
+	float b = dither(texColor.b * brightness, v_uv0);
+	// vec3 ditheredColor = vec3(r,g,b);
+
+	vec4 cmyk = rgbToCmyk(texColor * brightness);
+	cmyk.x = dither(cmyk.x, rotateUV(v_uv0, float2(0.966, 0.259)));
+    cmyk.y = dither(cmyk.y, rotateUV(v_uv0, float2(0.259, 0.966)));
+    cmyk.z = dither(cmyk.z, rotateUV(v_uv0, float2(1.000, 0.000)));
+    cmyk.w = dither(cmyk.w, rotateUV(v_uv0, float2(0.707, 0.707)));
+	vec3 ditheredColor = cmykToRgb(cmyk);
+	
+	// finalize
+	vec3 finalColor = mix(baseColor, ditheredColor, ditheredColor);
+	gl_FragColor = vec4(finalColor.rg, finalColor.b * 0.99, 1.0);
+	// gl_FragColor = vec4(ditheredColor, 1.0);
+}