implemented TileMap, still need Shader for it with billboarding and all that jizz XD

TSE_Math/src/MathF.hpp

@@ -11,6 +11,9 @@ namespace TSE
     /// @brief the epsilon used as min float value for comparisons in the engine
     constexpr float TSE_EPSILON = 1e-6f;
 
+    /// @brief 32-bit golden ratio constant used for hash mixing
+    constexpr uint TSE_HASH_GOLDEN_RATIO_32 = 0x9e3779b9u;
+
     /// @brief a simple degrees to radiant conversion function
     /// @param deg the degrees value
     /// @return the radiant value

TSE_Math/src/Vector2.hpp

@@ -1,6 +1,8 @@
 #pragma once
 
 #include "Types.hpp"
+#include "MathF.hpp"
+#include <functional>
 
 namespace TSE
 {
@@ -135,3 +137,17 @@ namespace TSE
         #pragma endregion methods
     };
 } // namespace TSE
+
+namespace std
+{
+    template<>
+    struct hash<TSE::Vector2>
+    {
+        size_t operator()(const TSE::Vector2& v) const noexcept
+        {
+            size_t h1 = std::hash<float>{}(v.x);
+            size_t h2 = std::hash<float>{}(v.y);
+            return h1 ^ (h2 + TSE::TSE_HASH_GOLDEN_RATIO_32 + (h1 << 6) + (h1 >> 2));
+        }
+    };
+}