imgui sort of works!

2025-02-20 01:34:55 +01:00
parent 916677a190
commit 0886adfeaf
30 changed files with 51126 additions and 18 deletions
--- a/src/game/rendering/imgui-helper.h
+++ b/src/game/rendering/imgui-helper.h
@@ -0,0 +1,142 @@
+/*
+ * Copyright 2011-2025 Branimir Karadzic. All rights reserved.
+ * License: https://github.com/bkaradzic/bgfx/blob/master/LICENSE
+ */
+
+#ifndef IMGUI_H_HEADER_GUARD
+#define IMGUI_H_HEADER_GUARD
+
+#include <../iconfontheaders/icons_font_awesome.h>
+#include <../iconfontheaders/icons_kenney.h>
+#include <bgfx/bgfx.h>
+#include <imgui.h>
+
+#define IMGUI_MBUT_LEFT 0x01
+#define IMGUI_MBUT_RIGHT 0x02
+#define IMGUI_MBUT_MIDDLE 0x04
+
+inline uint32_t imguiRGBA(uint8_t _r, uint8_t _g, uint8_t _b, uint8_t _a = 255)
+{
+    return 0 | (uint32_t(_r) << 0) | (uint32_t(_g) << 8) | (uint32_t(_b) << 16) | (uint32_t(_a) << 24);
+}
+
+namespace bx
+{
+    struct AllocatorI;
+}
+
+void imguiCreate(float _fontSize = 18.0f, bx::AllocatorI* _allocator = NULL);
+void imguiDestroy();
+
+void imguiBeginFrame(int32_t _mx,
+                     int32_t _my,
+                     uint8_t _button,
+                     int32_t _scroll,
+                     uint16_t _width,
+                     uint16_t _height,
+                     int _inputChar = -1,
+                     bgfx::ViewId _view = 255);
+void imguiEndFrame();
+
+namespace entry
+{
+    class AppI;
+}
+void showExampleDialog(entry::AppI* _app, const char* _errorText = NULL);
+
+namespace ImGui
+{
+#define IMGUI_FLAGS_NONE UINT8_C(0x00)
+#define IMGUI_FLAGS_ALPHA_BLEND UINT8_C(0x01)
+
+    ///
+    inline ImTextureID toId(bgfx::TextureHandle _handle, uint8_t _flags, uint8_t _mip)
+    {
+        union
+        {
+            struct
+            {
+                bgfx::TextureHandle handle;
+                uint8_t flags;
+                uint8_t mip;
+            } s;
+            ImTextureID id;
+        } tex;
+        tex.s.handle = _handle;
+        tex.s.flags = _flags;
+        tex.s.mip = _mip;
+        return tex.id;
+    }
+
+    // Helper function for passing bgfx::TextureHandle to ImGui::Image.
+    inline void Image(bgfx::TextureHandle _handle,
+                      uint8_t _flags,
+                      uint8_t _mip,
+                      const ImVec2& _size,
+                      const ImVec2& _uv0 = ImVec2(0.0f, 0.0f),
+                      const ImVec2& _uv1 = ImVec2(1.0f, 1.0f),
+                      const ImVec4& _tintCol = ImVec4(1.0f, 1.0f, 1.0f, 1.0f),
+                      const ImVec4& _borderCol = ImVec4(0.0f, 0.0f, 0.0f, 0.0f))
+    {
+        Image(toId(_handle, _flags, _mip), _size, _uv0, _uv1, _tintCol, _borderCol);
+    }
+
+    // Helper function for passing bgfx::TextureHandle to ImGui::Image.
+    inline void Image(bgfx::TextureHandle _handle,
+                      const ImVec2& _size,
+                      const ImVec2& _uv0 = ImVec2(0.0f, 0.0f),
+                      const ImVec2& _uv1 = ImVec2(1.0f, 1.0f),
+                      const ImVec4& _tintCol = ImVec4(1.0f, 1.0f, 1.0f, 1.0f),
+                      const ImVec4& _borderCol = ImVec4(0.0f, 0.0f, 0.0f, 0.0f))
+    {
+        Image(_handle, IMGUI_FLAGS_ALPHA_BLEND, 0, _size, _uv0, _uv1, _tintCol, _borderCol);
+    }
+
+    // Helper function for passing bgfx::TextureHandle to ImGui::ImageButton.
+    inline bool ImageButton(bgfx::TextureHandle _handle,
+                            uint8_t _flags,
+                            uint8_t _mip,
+                            const ImVec2& _size,
+                            const ImVec2& _uv0 = ImVec2(0.0f, 0.0f),
+                            const ImVec2& _uv1 = ImVec2(1.0f, 1.0f),
+                            const ImVec4& _bgCol = ImVec4(0.0f, 0.0f, 0.0f, 0.0f),
+                            const ImVec4& _tintCol = ImVec4(1.0f, 1.0f, 1.0f, 1.0f))
+    {
+        return ImageButton("image", toId(_handle, _flags, _mip), _size, _uv0, _uv1, _bgCol, _tintCol);
+    }
+
+    // Helper function for passing bgfx::TextureHandle to ImGui::ImageButton.
+    inline bool ImageButton(bgfx::TextureHandle _handle,
+                            const ImVec2& _size,
+                            const ImVec2& _uv0 = ImVec2(0.0f, 0.0f),
+                            const ImVec2& _uv1 = ImVec2(1.0f, 1.0f),
+                            const ImVec4& _bgCol = ImVec4(0.0f, 0.0f, 0.0f, 0.0f),
+                            const ImVec4& _tintCol = ImVec4(1.0f, 1.0f, 1.0f, 1.0f))
+    {
+        return ImageButton(_handle, IMGUI_FLAGS_ALPHA_BLEND, 0, _size, _uv0, _uv1, _bgCol, _tintCol);
+    }
+
+    ///
+    inline void NextLine()
+    {
+        SetCursorPosY(GetCursorPosY() + GetTextLineHeightWithSpacing());
+    }
+
+    ///
+    inline bool MouseOverArea()
+    {
+        return false || ImGui::IsAnyItemActive() || ImGui::IsAnyItemHovered() ||
+               ImGui::IsWindowHovered(ImGuiHoveredFlags_AnyWindow)
+            //			|| ImGuizmo::IsOver()
+            ;
+    }
+
+    ///
+    void PushEnabled(bool _enabled);
+
+    ///
+    void PopEnabled();
+
+} // namespace ImGui
+
+#endif // IMGUI_H_HEADER_GUARD