Refactor mesh handling to use templated vertex structures for improved type safety and flexibility

src/graphics/core/Batch3D.hpp

@@ -2,19 +2,34 @@
 
 #include "typedefs.hpp"
 #include "commons.hpp"
+#include "MeshData.hpp"
 
 #include <memory>
-#include <stdlib.h>
+#include <cstdlib>
 #include <glm/glm.hpp>
 
-class Mesh;
+template<typename VertexStructure> class Mesh;
+
 class Texture;
 struct UVRegion;
 
+struct Batch3DVertex {
+    glm::vec3 position;
+    glm::vec2 uv;
+    glm::vec4 color;
+
+    static constexpr VertexAttribute ATTRIBUTES[] {
+            {GL_FLOAT, false, 3},
+            {GL_FLOAT, false, 2},
+            {GL_FLOAT, false, 4},
+            {0}
+    };
+};
+
 class Batch3D : public Flushable {
-    std::unique_ptr<float[]> buffer;
+    std::unique_ptr<Batch3DVertex[]> buffer;
     size_t capacity;
-    std::unique_ptr<Mesh> mesh;
+    std::unique_ptr<Mesh<Batch3DVertex>> mesh;
     std::unique_ptr<Texture> blank;
     size_t index;
     glm::vec4 tint {1.0f};