entity system!

src/game/Global.h

@@ -2,17 +2,54 @@
 #include <cstdint>
 
 struct SharedData;
-  
+
+struct IVec2
+{
+  int32_t X = 0;
+  int32_t Y = 0;
+};
+
+struct IVec3
+{
+  int32_t X = 0;
+  int32_t Y = 0;
+};
+
+struct Vec2
+{
+  float X = 0.0f;
+  float Y = 0.0f;
+};
+
+struct Vec3
+{
+  float X = 0.0f;
+  float Y = 0.0f;
+  float Z = 0.0f;
+};
+
+struct Quat
+{
+  float X = 0.0f;
+  float Y = 0.0f;
+  float Z = 0.0f;
+  float W = 1.0f;
+};
+
+struct Mat4
+{
+  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,
+  };
+};
+
 namespace Game
 {
-  struct GameInstance
-  {
-    bool IsInitialized = false;
-    uint64_t Size = sizeof(GameInstance);
-    uint32_t FrameCounter = 0;
-    int64_t StartTime = 0;
-  };
-
+  struct GameInstance;
+  
   SharedData& GetShared();
   void SetShared(SharedData& instance);
   GameInstance& GetInstance();