more tutorial text

src/debug.ps1

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

src/game/Entity.h

@@ -20,6 +20,8 @@
 
 namespace Game
 {
+    int32_t GetNextRenderID();
+
     struct EntityRenderData
     {
         Gen::Vec4 DotColor{1.0f, 1.0f, 1.0f, 1.0f};
@@ -29,7 +31,7 @@ namespace Game
         Gen::TextureHandle TextureHandle;
         Gen::ModelHandle ModelH;
         bool Visible = true;
-        bool DebugBreakOnRender = false;
+        int32_t RenderID = 0;
 
         void Render(const Model* models, const Material* materials, const Texture* textures);
         void LoadFromSaved(const Gen::SavedEntityRenderData& saved);
@@ -124,6 +126,7 @@ namespace Game
                 return {};
             }
             Data[Count] = {};
+            Data[Count].EData.RenderID = GetNextRenderID();
             HandleT H;
             H.Idx = Count;
             ++Count;

src/game/Gen.cpp

@@ -393,6 +393,37 @@ namespace Gen
         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};

src/game/Gen.h

@@ -81,6 +81,7 @@ namespace Gen
     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);

src/game/Instance.h

@@ -60,6 +60,8 @@ namespace Game
         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;

src/game/Level.cpp

@@ -29,10 +29,11 @@ namespace Game
 {
     void EntityRenderData::Render(const Model* models, const Material* materials, const Texture* textures)
     {
-        if (DebugBreakOnRender)
+        auto& debug = GetInstance().DebugData;
+        if ((int32_t)debug.DebugBreakID == RenderID && debug.DebugBreakIDEnabled)
         {
             bx::debugBreak();
-            DebugBreakOnRender = false;
+            debug.DebugBreakIDEnabled = false;
         }
 
         if (models == nullptr || materials == nullptr || textures == nullptr) return;
@@ -108,7 +109,7 @@ namespace Game
             {
                 auto& IO = ImGui::GetIO();
                 IO.ConfigFlags =
-                    FlagBool(IO.ConfigFlags, ImGuiConfigFlags_NoMouse | ImGuiConfigFlags_NoKeyboard, IsGaming);
+                    FlagBool(IO.ConfigFlags, ImGuiConfigFlags_NoMouse | ImGuiConfigFlags_NoKeyboard, captureMouse);
             }
             rendering.UIVisible = IsGaming ? UIVisibilityState::Game : UIVisibilityState::Debug;
         }
@@ -210,6 +211,84 @@ namespace Game
         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()
@@ -263,9 +342,38 @@ namespace Game
         }
         else if (player.CameraM == CameraMode::Walk)
         {
-            TranslateLocal(player.PlayerCamTransform, {0.0f, 0.0f, inputVec.z});
-            TranslateLocal(player.PlayerCamTransform, {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;
@@ -286,16 +394,20 @@ 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);
         }
 
-        Puzzle::PuzzleSolver solver;
-        bool isPuzzleSolved = solver.IsPuzzleSolved(Puzzles[activeIdx].Data);
-        PuzzleUI.Update(Puzzles[activeIdx].Data, isPuzzleSolved);
+        PuzzleUI.Update(Puzzles[activeIdx].Data, Puzzles[activeIdx].IsSolved);
 
         END_PERF(GetShared().Window.PerfCounters, PerfCounterType::GameLevelUpdate, GetShared().Window.FrameCounter);
     }
@@ -361,26 +473,52 @@ namespace Game
 
     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();
-            auto& tile = level.PuzzleTiles.Get(TileHandles[i]);
+            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();
-                auto& cover = level.PuzzleTileCovers.Get(CoverHandles[idx]);
+                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()
     {
         Level& level = GetInstance().GameLevel;
@@ -400,23 +538,20 @@ namespace Game
                 auto& staticCard = isValid ? staticCards[card.RefCard.Idx] : staticCards[0];
 
                 // World Tile
-                tile.EData.Visible = IsActive;
+                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 = {
-                    (float)card.Position.X * Puzzle::Config::CardScaleWorld,
-                    -5.0f,
-                    (float)card.Position.Y * Puzzle::Config::CardScaleWorld,
-                };
+                Vec3 cardPos = PuzPosToWorldPos(Data, card.Position.X, card.Position.Y);
                 if (!isValid)
                 {
-                    cardPos = {x * Puzzle::Config::CardScaleWorld, -5.0f, y * Puzzle::Config::CardScaleWorld};
+                    cardPos = PuzPosToWorldPos(Data, x, y);
                 }
-                tile.EData.Transform.Position = cardPos;
-                bx::mtxRotateY(tile.EData.Transform.Rotation.M, card.Rotation * bx::kPi * 0.5f);
+                tile.EData.Transform.Position = cardPos + WorldPosition;
+                bx::mtxRotateY(tile.EData.Transform.Rotation.M, card.Rotation * bx::kPi * -0.5f);
 
                 // Covers
                 if (IsValid(staticCard.BaseModelHandle))
@@ -429,12 +564,48 @@ namespace Game
                         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()
@@ -448,4 +619,10 @@ namespace Game
         }
     }
 
+    int32_t GetNextRenderID()
+    {
+        static int32_t RenderIDCounter = 0;
+        RenderIDCounter++;
+        return RenderIDCounter;
+    }
 } // namespace Game

src/game/Level.h

@@ -18,12 +18,15 @@ namespace Game
         Gen::Vec3 WorldPosition;
         PuzzleTileEntityHandle TileHandles[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();
-        void Reset(); // TODO!
     };
 
     class Level

src/game/Mesh.cpp

@@ -2,15 +2,18 @@
 #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
@@ -21,6 +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)
@@ -58,23 +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];
@@ -92,7 +96,80 @@ 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)
         {

src/game/Puzzle.cpp

@@ -1,7 +1,6 @@
 #include "../gen/Def.h"
 #include "Gen.h"
 #include "Global.h"
-#include "Instance.h"
 #include "Log.h"
 #include "Puzzle.h"
 

src/game/Puzzle.h

@@ -19,7 +19,8 @@ namespace Puzzle
         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;
+        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;

src/game/Tools.cpp

@@ -7,9 +7,11 @@
 #include "Puzzle.h"
 #include "Tools.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>
 
@@ -269,10 +271,6 @@ namespace Tools
             {
                 ImGui::TextColored({0.9f, 0.2f, 0.2f, 1.0f}, "Shader load Failiure!");
             }
-            if (ImGui::Button("Reload Meshes"))
-            {
-                LoadModels(rendering.Models, rendering.ModelCount);
-            }
             ImGui::SameLine();
             if (ImGui::Button("Reload Level"))
             {
@@ -280,6 +278,8 @@ namespace Tools
                 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);
 
@@ -289,14 +289,15 @@ namespace Tools
 
             ImGui::Separator();
 
-            ImGui::Text("Entity Groups");
+            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::Separator();
+                ImGui::TreePop();
+            }
 
             bool uiconfigChanged = false;
             if (ImGui::TreeNodeEx("Game Tablet"))
@@ -334,8 +335,8 @@ namespace Tools
                 level.ReloadLevelEntities();
             }
 
-            ImGui::Separator();
-
+            if (ImGui::TreeNodeEx("Dithering"))
+            {
                 if (ImGui::Button("Dithergen"))
                 {
                     DitherGen(rendering.DitherTextures, rendering.DitherRecursion);
@@ -352,7 +353,8 @@ namespace Tools
                 }
                 else
                 {
-                ImGui::Image(rendering.DitherTextures.PreviewTex.idx,
+                    ImGui::Image(
+                        rendering.DitherTextures.PreviewTex.idx,
                         {(float)rendering.DitherTextures.DitherTexWH,
                          (float)rendering.DitherTextures.DitherTexWH * rendering.DitherTextures.DitherTexDepth});
                 }
@@ -361,11 +363,14 @@ namespace Tools
                     ImGui::Image(rendering.DitherTextures.RampTex.idx,
                                  {BX_COUNTOF(rendering.DitherTextures.BrightnessRamp), 8});
                 }
-            Vec3 quadPos = level.UIQuads.Get({0}).EData.Transform.Position;
-            ImGui::Text("%f %f %f", quadPos.x, quadPos.y, quadPos.z);
+                ImGui::TreePop();
+            }
 
-            ImGui::Text("Shader log:");
+            if (ImGui::TreeNodeEx("Shader log"))
+            {
                 ImGui::TextWrapped("%s", Game::GetShared().Dev.ShaderLog);
+                ImGui::TreePop();
+            }
         }
         ImGui::End();
     }
@@ -390,6 +395,33 @@ namespace Tools
         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;
@@ -400,6 +432,7 @@ namespace Tools
             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;
@@ -409,6 +442,9 @@ namespace Tools
                 {
                     debug.SelectedDebugLevel = isSelected ? UINT16_MAX : i;
                 }
+                ImGui::DragFloat3("Pos", &level.Puzzles[i].WorldPosition.x);
+                ImGui::PopID();
+
                 ImGui::PopID();
             }
         }
@@ -464,7 +500,8 @@ namespace Tools
                 }
 
                 Tools::ModelDropdown(card.BaseModelHandle);
-                Tools::TextureDropdown(card.BoardTextureHandle);
+                Tools::TextureDropdown(card.ModelTextureHandle, "World Texture");
+                Tools::TextureDropdown(card.BoardTextureHandle, "UI Texture");
                 if (IsValid(card.BaseModelHandle))
                 {
                     auto& mdl = rendering.Models[card.BaseModelHandle.ModelIdx];
@@ -529,13 +566,12 @@ namespace Tools
                     ImGui::Text("%u", i);
                     ImGui::SameLine();
                     auto& quad = level.UIQuads.Get({i});
-                    ImGui::Checkbox("Debug Break on Render", &quad.EData.DebugBreakOnRender);
-                    ImGui::SameLine();
                     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();
@@ -550,12 +586,11 @@ namespace Tools
                     ImGui::Text("%u", i);
                     ImGui::SameLine();
                     auto& levelEnt = level.LevelEntities.Get({i});
-                    ImGui::Checkbox("Debug Break on Render", &levelEnt.EData.DebugBreakOnRender);
-                    ImGui::SameLine();
                     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();
@@ -587,7 +622,7 @@ namespace Tools
                 ImGui::Text("FPS: %.0f", 1.0 / time.Delta);
 
                 constexpr ImVec2 FpsPlotSize{200, 60};
-                if (ImGui::BeginChild("FpsPlot", FpsPlotSize))
+                if (ImGui::BeginChild("FpsPlot", FpsPlotSize, 0, ImGuiWindowFlags_NoInputs))
                 {
                     auto& drawList = *ImGui::GetWindowDrawList();
                     ImVec2 pos = ImGui::GetWindowPos();
@@ -629,6 +664,57 @@ namespace Tools
         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))
@@ -641,6 +727,11 @@ namespace Tools
             {
                 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");
@@ -653,6 +744,7 @@ namespace Tools
             RenderLogUI();
             RenderRenderSettingsUI(rendering);
             RenderTexturesUI(rendering);
+            RenderModelsUI(rendering);
             RenderPuzzlesUI();
             RenderCardsUI(rendering);
             RenderEntitiesUI();

src/game/UI.cpp

@@ -114,6 +114,32 @@ namespace Game
         }
     }
 
+    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;
@@ -134,7 +160,7 @@ namespace Game
                 {
                     quad.UIPos = Vec3{cardIdx * 0.05f + stackIdx * 1.2f,
                                       4.2f + (cardIdx % 2 == 0 ? 0.02f : 0.0f),
-                                      cardIdx * 0.001f} *
+                                      cardIdx * 0.001f - 0.3f} *
                                  UICardOffset * UICardScale;
                     UpdateQuad(level.UIQuads, h);
                     quad.EData.Visible = true;
@@ -159,10 +185,9 @@ namespace Game
                             dragPos += StaticData.ZAxis * -0.01f;
                             quad.EData.Transform.Position = dragPos;
 
-                            Vec3 boardPos = GlobalToLocalPoint(StaticData.UITransform, quadPlaneIntersectPos);
-                            Vec3 boardTilePos = boardPos / UICardOffset;
-                            int32_t xPos = (int32_t)bx::round(boardTilePos.x);
-                            int32_t yPos = (int32_t)bx::round(boardTilePos.y);
+                            int32_t xPos;
+                            int32_t yPos;
+                            UIPosToCardPos(Data, quadPlaneIntersectPos, xPos, yPos);
 
                             if (!GetMouseButton(MouseButton::Left))
                             {
@@ -190,17 +215,6 @@ namespace Game
         }
     }
 
-    Vec3 CalcBoardOffset(const Gen::PuzzleData& puzData)
-    {
-        return {};
-        return Vec3{
-                   (float)(puzData.WidthTiles) / (2.0f * Puzzle::Config::CardSize),
-                   (float)(puzData.HeightTiles) / (2.0f * Puzzle::Config::CardSize),
-                   0.0f,
-               } *
-               2.0f * WorldPuzzleUI::UICardScale * WorldPuzzleUI::UICardScale;
-    }
-
     void WorldPuzzleUI::UpdateBoardCards(Gen::PuzzleData& Data)
     {
         auto& level = GetInstance().GameLevel;
@@ -219,9 +233,8 @@ namespace Game
                 bool isLocked = GetFlag(card.Flags, PlacedPuzzleCardFlags::Locked);
 
                 auto& quad = level.UIQuads.Get(UIPlacedCards[cardIdx]);
-                quad.UIPos = Vec3{(float)card.Position.X, (float)card.Position.Y, 0.0f} * UICardOffset * UICardScale;
-                quad.UIPos -= boardOffset;
-                quad.UIRot = card.Rotation * bx::kPi * 0.5f;
+                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;
@@ -253,10 +266,9 @@ namespace Game
                     dragPos += StaticData.ZAxis * -0.01f;
                     quad.EData.Transform.Position = dragPos;
 
-                    Vec3 boardPos = GlobalToLocalPoint(StaticData.UITransform, quadPlaneIntersectPos);
-                    Vec3 boardTilePos = boardPos / UICardOffset;
-                    int32_t xPos = (int32_t)bx::round(boardTilePos.x);
-                    int32_t yPos = (int32_t)bx::round(boardTilePos.y);
+                    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];
@@ -339,11 +351,6 @@ namespace Game
         // NOLINTEND
         uiOffset *= -UICardOffset * 0.5f;
 
-        Transform tileOriginTransform = StaticData.UITransform;
-        tileOriginTransform.Position += AxisForward(StaticData.UITransform.M) * -1.0f;
-        TranslateLocal(tileOriginTransform, Vec3{uiOffset.x, 0.0f, uiOffset.y} * 1.0f);
-        UpdateMatrix(tileOriginTransform);
-
         auto& solvedQuad = level.UIQuads.Get(SolvedQuad);
         solvedQuad.EData.Visible = true;
         solvedQuad.EData.TextureHandle = IsPuzzleSolved ? GetInstance().Player.Config.TabletStatusSolvedTexture

src/game/rendering/Rendering.h

@@ -40,6 +40,13 @@ namespace Game
         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
     {
         static constexpr uint16_t MaxSocketCount = 16;
@@ -49,6 +56,12 @@ namespace Game
         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
@@ -103,7 +116,7 @@ namespace Game
         uint32_t ResetFlags = BGFX_RESET_VSYNC;
         uint16_t MainViewID = 10;
         float LastShaderLoadTime = 0.0f;
-        int32_t DitherRecursion = 3;
+        int32_t DitherRecursion = 1;
 
       public:
         void Setup(const RenderingSetup& setup);

src/game/shaders/dither/frag.sc

@@ -32,7 +32,7 @@ vec3 desaturate(vec3 color)
 
 float dither(float brightness, vec2 inputUv)
 {
-	float globalScale = 8;
+	float globalScale = 6;
 	
 	// constants
 	float xRes = u_texInfo.z;
@@ -59,10 +59,9 @@ float dither(float brightness, vec2 inputUv)
 	// Figuring out how many dots we want
 	float scaleExp = exp2(globalScale);
 	float spacing = freq.y * scaleExp;
-	spacing *= dotsPerSide * 0.125;
+	spacing *= dotsPerSide * (1 / globalScale); // todo: just guessed that globalScale is the right variable here
 
 	float brightnessSpacingMultiplier = pow(brightnessCurve * 2 + 0.001, -(1 - 0.5));
-	// float brightnessSpacingMultiplier = 1;
 	spacing *= brightnessSpacingMultiplier;
 	
 	float spacingLog = log2(spacing);
@@ -77,35 +76,72 @@ float dither(float brightness, vec2 inputUv)
 	
 	float pattern = texture3D(s_ditherSampler, vec3(uv, subLayer)).r;	
 	
-	float contrast = 2 * scaleExp * brightnessSpacingMultiplier * 0.1;
+	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 + 0.6;
+	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 texColor = u_dotColor.x > 0.1 ? u_dotColor.xyz : texture2D(s_texColor, v_uv0).xyz;
+	vec3 baseColor = u_baseColor.xyz;
+	vec3 texColor = isTextured ? texture2D(s_texColor, v_uv0).xyz : u_dotColor.xyz;
 
 	// lighting
-	// float brightness = calcBrightness(lightPos, v_wpos, v_normal);
-	float brightness = lerp(0.5, 0.9, calcBrightnessDirectional(vec3(0.5, 0.3, 1.0), v_normal));
-	// float brightness = 0.5;
-	// brightness = lerp(0.2, 1.0, sin(u_time.x) * 0.5 + 0.5);
+	float brightness = lerp(0.2, 0.8, calcBrightnessDirectional(vec3(0.5, 0.3, 1.0), v_normal));
 
-	float r = dither(brightness * texColor.r, v_uv0);
-	float g = dither(brightness * texColor.g, v_uv0);
-	float b = dither(brightness * texColor.b, v_uv0);
-	// vec3 finalColor = vec3(r, g, b);
-	vec3 ditheredColor = dither(brightness, v_uv0);
-	vec3 finalColor = mix(u_baseColor, texColor, ditheredColor);
-	gl_FragColor = vec4(finalColor, 1.0);
+	// 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);
 }

tools/radsession.rad

@@ -1,18 +1,20 @@
 // raddbg 0.9.19 project file
 
-recent_file: path: "../src/game/entity.h"
 recent_file: path: "../src/game/level.cpp"
+recent_file: path: "../src/game/puzzle.cpp"
+recent_file: path: "../src/dependency/bgfx.cmake/bx/src/debug.cpp"
+recent_file: path: "../src/game/entity.h"
 recent_file: path: "../src/game/ui.cpp"
+recent_file: path: "../src/game/Log.cpp"
+recent_file: path: "../src/game/rendering/dither.cpp"
+recent_file: path: "../src/game/rendering/rendering.cpp"
 recent_file: path: "../src/gen/generated.cpp"
 recent_file: path: "../src/engine/main.cpp"
 recent_file: path: "../src/game/setup.cpp"
-recent_file: path: "../src/game/rendering/rendering.cpp"
 recent_file: path: "../src/dependency/imgui/imgui_widgets.cpp"
 recent_file: path: "../src/game/tools.cpp"
-recent_file: path: "../src/dependency/bgfx.cmake/bx/src/debug.cpp"
 recent_file: path: "../src/gen/def.h"
 recent_file: path: "../src/game/global.cpp"
-recent_file: path: "../src/game/Log.cpp"
 target:
 {
   executable: "../src/cmake-build/PuzGameEngine.exe"