#pragma once
#include "ggl.h"
struct UniformTexture {
	GLint mLocation;
	GLuint mTexture;
	UniformTexture() {
		mLocation = -1;
		mTexture = 0;
	}
};
struct UniformVector4f {
	GLint mLocation;
	float v[4];
	UniformVector4f() {
		mLocation = -1;
		memset(v, 0, sizeof(float) * 4);
	}
};
class Shader {
public:
	GLuint mProgram;
	std::map<std::string, UniformTexture*> mUniformTextures;
	std::map<std::string, UniformVector4f*> mUniformVec4s;
	GLint mModelMatrixLocation, mViewMatrixLocation, mProjectionMatrixLocation;
	GLint mPositionLocation, mColorLocation, mTexcoordLocation, mNormalLocation;
	void Init(const char*vs, const char*fs);
	void Bind(float *M, float *V, float*P);
	void SetTexture(const char * name, const char*imagePath);
	void SetVec4(const char * name, float x, float y, float z, float w);
};