just a minor refactor, nothing special

src/graphics/core/Batch2D.hpp

@@ -0,0 +1,95 @@
+#ifndef GRAPHICS_CORE_BATCH2D_H_
+#define GRAPHICS_CORE_BATCH2D_H_
+
+#include <memory>
+#include <stdlib.h>
+#include <glm/glm.hpp>
+
+#include "commons.hpp"
+#include "../../maths/UVRegion.h"
+
+class Mesh;
+class Texture;
+
+class Batch2D {
+    float* buffer;
+    size_t capacity;
+    std::unique_ptr<Mesh> mesh;
+    std::unique_ptr<Texture> blank;
+    size_t index;
+    glm::vec4 color;
+    Texture* _texture;
+    DrawPrimitive primitive = DrawPrimitive::triangle;
+
+    void setPrimitive(DrawPrimitive primitive);
+
+    void vertex(
+        float x, float y,
+        float u, float v,
+        float r, float g, float b, float a
+    );
+    
+    void vertex(
+        glm::vec2 point,
+        glm::vec2 uvpoint,
+        float r, float g, float b, float a
+    );
+
+public:
+    Batch2D(size_t capacity);
+    ~Batch2D();
+
+    void begin();
+    void texture(Texture* texture);
+    void untexture();
+    void sprite(float x, float y, float w, float h, const UVRegion& region, glm::vec4 tint);
+    void sprite(float x, float y, float w, float h, int atlasRes, int index, glm::vec4 tint);
+    void point(float x, float y, float r, float g, float b, float a);
+    
+    inline void setColor(glm::vec4 color) {
+        this->color = color;
+    }
+    inline glm::vec4 getColor() const {
+        return color;
+    }
+    
+    void line(
+        float x1, float y1, 
+        float x2, float y2, 
+        float r, float g, float b, float a
+    );
+
+    void lineRect(float x, float y, float w, float h);
+
+    void rect(
+        float x, float y,
+        float w, float h,
+        float ox, float oy,
+        float angle, UVRegion region,
+        bool flippedX, bool flippedY,
+        glm::vec4 tint
+    );
+
+    void rect(float x, float y, float w, float h);
+
+    void rect(
+        float x, float y, float w, float h,
+        float u, float v, float tx, float ty,
+        float r, float g, float b, float a
+    );
+
+    void rect(
+        float x, float y, float w, float h,
+        float r0, float g0, float b0,
+        float r1, float g1, float b1,
+        float r2, float g2, float b2,
+        float r3, float g3, float b3,
+        float r4, float g4, float b4, int sh
+    );
+
+    void flush();
+
+    void lineWidth(float width);
+};
+
+#endif // GRAPHICS_CORE_BATCH2D_H_