added rest of basics in TSE_Core

TSE_Core/src/elements/TileSet.hpp

@@ -0,0 +1,31 @@
+#pragma once
+
+#include "Texture.hpp"
+#include "Sprite.hpp"
+
+namespace TSE
+{
+    class TileSet
+    {
+    private:
+        Texture* tex = nullptr;
+        int resx = 0, resy = 0;
+
+    public:
+        TileSet(Texture* tex, int x, int y);
+
+        void SetCount(int x, int y);
+        void SetTexture(Texture* tex);
+
+        void GetSpriteAt(int x, int y, Sprite& s);
+
+        inline void SetCount(Vector2& v)
+        {
+            SetCount(v.x, v.y);
+        };
+        inline void GetSpriteAt(Vector2& v, Sprite& s)
+        {
+            GetSpriteAt(v.x, v.y, s);
+        };
+    };
+} // namespace TSE