#ifndef WORLDSHADER_H
#define WORLDSHADER_H

#include "client/engine/shader/ShaderProgram.h"

class WorldShader
{
public:
    WorldShader();
    virtual ~WorldShader();
    
    bool init();
    void resize();

    void preRender(const float* projMatrix);
    
    void bindPositionTexture(unsigned int textureUnit);
    void bindNormalTexture(unsigned int textureUnit);
    void bindColorTexture(unsigned int textureUnit);
    void bindDepthTexture(unsigned int textureUnit);
    
    void setViewMatrix(const float* data);
    void setModelMatrix(const float* data);
    
private:
    // shader
    ShaderProgram program;
    // framebuffer
    GLuint framebuffer = 0;
    // textures
    GLuint positionTexture = 0;
    GLuint normalTexture = 0;
    GLuint colorTexture = 0;
    GLuint depthTexture = 0;
    // uniforms locations
    GLint unifProjMatrix = 0;
    GLint unifViewMatrix = 0;
    GLint unifModelMatrix = 0;
};

#endif