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#pragma once
#include "program.h"
#include <glArrays.h>
class Location;
class SceneShader {
class SceneProgram : public Program {
public:
template<typename... S>
inline explicit SceneProgram(const S &... srcs) :
Program {srcs...}, viewProjectionLoc {*this, "viewProjection"}, viewPortLoc {*this, "viewPort"}
{
}
void setViewProjection(const glm::mat4 &) const;
void setViewPort(const glm::ivec4 &) const;
private:
RequiredUniformLocation viewProjectionLoc;
UniformLocation viewPortLoc;
};
class BasicProgram : public SceneProgram {
public:
BasicProgram();
void setModel(const Location &) const;
void use(const Location &) const;
private:
RequiredUniformLocation modelLoc;
};
class AbsolutePosProgram : public SceneProgram {
public:
using Program::use;
using SceneProgram::SceneProgram;
};
class WaterProgram : public SceneProgram {
public:
public:
WaterProgram();
void use(float waveCycle) const;
private:
RequiredUniformLocation waveLoc;
};
class PointLightShader : public SceneProgram {
public:
PointLightShader();
void add(const glm::vec3 & position, const glm::vec3 & colour, const float kq) const;
private:
UniformLocation colourLoc;
UniformLocation kqLoc;
glVertexArray va;
glBuffer b;
};
class SpotLightShader : public SceneProgram {
public:
SpotLightShader();
void add(const glm::vec3 & position, const glm::vec3 & direction, const glm::vec3 & colour, const float kq,
const float arc) const;
private:
UniformLocation colourLoc;
UniformLocation kqLoc;
UniformLocation arcLoc;
glVertexArray va;
glBuffer b;
};
public:
SceneShader();
BasicProgram basic;
SceneProgram basicInst;
WaterProgram water;
AbsolutePosProgram landmass, absolute;
PointLightShader pointLight;
SpotLightShader spotLight;
void setViewProjection(const glm::mat4 & viewProjection) const;
void setViewPort(const glm::ivec4 & viewPort) const;
};
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