Shader.hpp

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#pragma once

#include "Texture.hpp"

class Shader
{
    uint                m_id;           
    string              m_name;         
    map<string,GLint>   m_uniforms;     
    public:
        Shader(string const & name);
        ~Shader();

        void use();

        GLint uniform(string const & name);
        GLint uniformBlock(string const & name);
        
        void uniform(string const& name, mat4 const * values, size_t const size) { glUniformMatrix4fv(uniform(name),size,GL_FALSE,reinterpret_cast<float const *>(values)); }
        
        void uniform(string const& name, mat4 const & value) { glUniformMatrix4fv(uniform(name),1,GL_FALSE,glm::value_ptr(value)); }
        void uniform(string const& name, mat3 const & value) { glUniformMatrix3fv(uniform(name),1,GL_FALSE,glm::value_ptr(value)); }
        void uniform(string const& name, vec4 const & value) { glUniform4f(uniform(name),value.x, value.y, value.z, value.w); }
        void uniform(string const& name, vec3 const & value) { glUniform3f(uniform(name),value.x, value.y, value.z); }
        void uniform(string const& name, vec2 const & value) { glUniform2f(uniform(name),value.x, value.y); }
        void uniform(string const& name, float value)        { glUniform1f(uniform(name),value); }
        void uniform(string const& name, int value)          { glUniform1i(uniform(name),value); }
        void uniform(string const& name, uint value)         { glUniform1ui(uniform(name),value); }
        void uniform(string const& name, uint16 value)       { glUniform1ui(uniform(name),value); }

    private:
        int loadShader(string const & file, GLenum shaderType);
        void link();

    public:

        static const uint position = 0;     
        static const uint normal = 1;       
        static const uint uv = 2;           
        static const uint boneId = 3;       
        static const uint boneWeight = 4;   
};


class Shaders
{
    map<string,unique_ptr<Shader>> m_shaders;   
    public:
        Shader* get(string const & name);
};