#pragma once
	#include <GL/glew.h>
	#include <string>
	#include <unordered_map>
	#include <vector>
	#include <iostream>
	class CGL430SSBO {
	public:
	CGL430SSBO() = default;
	~CGL430SSBO();
	void Create(GLsizeiptr size, GLenum usage, GLuint bindingIndex);
	void Bind() const;
	void* Map(GLenum access = GL_WRITE_ONLY);
	void Unmap();
	void UploadData(GLintptr offset, GLsizeiptr size, const void* data);
	// Reflect array struct: structName[] in SSBO
	bool ReflectStructArray(GLuint program, const std::string& blockName, const std::string& arrayName);
	// Reflect top-level flat fields
	bool ReflectFields(GLuint program, const std::string& blockName);
	GLint GetArrayStride() const;
	GLint GetFieldOffset(const std::string& fieldName, int arrayIndex = 0) const;
	private:
	GLuint m_BufferID = 0;
	GLenum m_Usage = GL_DYNAMIC_DRAW;
	GLuint m_BindingIndex = 0;
	struct FieldInfo
	{
	std::string Name;
	GLint Offset;
	};
	GLint m_ArrayStride = 0;
	std::unordered_map<std::string, FieldInfo> m_FieldMap;
	};