implemented proper batch rendering of quads and textures

1 files changed, 45 insertions, 0 deletions

diff --git a/src/batch.hpp b/src/batch.hpp
new file mode 100644
index 0000000..444a547
--- /dev/null
+++ b/src/batch.hpp
@@ -0,0 +1,45 @@
+#pragma once
+
+#include <vector>
+
+#include "glad/glad.h"
+#include <glm/glm.hpp>
+
+#include "texture.hpp"
+
+class Batch
+{
+	public:
+		unsigned int VAO, VBO, EBO;
+		std::vector<float> vertices = {};
+		std::vector<unsigned int> indices = {};
+		unsigned int size, batch_limit;
+		unsigned int last_texture = 0;
+
+		Batch(unsigned int batch_limit = 8192);
+		int drawTexture(
+				Texture texture,
+				float x,
+				float y,
+				float width,
+				float height,
+				glm::vec4 color
+				);
+		int drawRectangle(
+				float x,
+				float y,
+				float width,
+				float height,
+				glm::vec4 color
+				);
+		void flush_batch();
+	private:
+		int primativeDrawQuad(
+				unsigned int texture_id,
+				glm::vec3 a,
+				glm::vec3 b,
+				glm::vec3 c,
+				glm::vec3 d,
+				glm::vec4 color
+				);
+};