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#include "sceneShader.h"
#include <gfx/gl/shaders/fs-landmass.h>
#include <gfx/gl/shaders/fs-material.h>
#include <gfx/gl/shaders/fs-network.h>
#include <gfx/gl/shaders/fs-pointLight.h>
#include <gfx/gl/shaders/fs-spotLight.h>
#include <gfx/gl/shaders/fs-water.h>
#include <gfx/gl/shaders/gs-networkCurve.h>
#include <gfx/gl/shaders/gs-networkStraight.h>
#include <gfx/gl/shaders/gs-pointLight.h>
#include <gfx/gl/shaders/gs-spotLight.h>
#include <gfx/gl/shaders/vs-dynamicPoint.h>
#include <gfx/gl/shaders/vs-dynamicPointInst.h>
#include <gfx/gl/shaders/vs-fixedPoint.h>
#include <gfx/gl/shaders/vs-landmass.h>
#include <gfx/gl/shaders/vs-networkCurve.h>
#include <gfx/gl/shaders/vs-networkStraight.h>
#include <gfx/gl/shaders/vs-pointLight.h>
#include <gfx/gl/shaders/vs-spotLight.h>
#include <gfx/gl/shaders/vs-water.h>
#include <gfx/gl/vertexArrayObject.h>
#include <glm/gtc/type_ptr.hpp>
#include <glm/gtx/transform.hpp>
#include <location.h>
#include <maths.h>
inline void
SceneShader::allPrograms(auto member, auto &&... ps) const
{
for (const auto & prog : std::initializer_list<const SceneProgram *> {&basic, &basicInst, &water, &landmass,
&absolute, &pointLightInst, &spotLightInst, &networkStraight, &networkCurve}) {
(prog->*member)(std::forward<decltype(ps)>(ps)...);
}
}
SceneShader::SceneShader() :
basicInst {dynamicPointInst_vs, material_fs}, landmass {landmass_vs, landmass_fs},
absolute {fixedPoint_vs, material_fs}, spotLightInst {spotLight_vs, spotLight_gs, spotLight_fs},
pointLightInst {pointLight_vs, pointLight_gs, pointLight_fs},
networkStraight {networkStraight_vs, networkStraight_gs, network_fs},
networkCurve {networkCurve_vs, networkCurve_gs, network_fs}
{
}
void
SceneShader::setViewProjection(const GlobalPosition3D & viewPoint, const glm::mat4 & viewProjection) const
{
allPrograms(&SceneProgram::setViewProjection, viewPoint, viewProjection);
}
void
SceneShader::setViewPort(const ViewPort & viewPort) const
{
allPrograms(&SceneProgram::setViewPort, viewPort);
}
void
SceneShader::SceneProgram::setViewProjection(const GlobalPosition3D & viewPoint, const glm::mat4 & viewProjection) const
{
glUseProgram(*this);
glUniform(viewProjectionLoc, viewProjection);
glUniform(viewPointLoc, viewPoint);
}
void
SceneShader::SceneProgram::setViewPort(const ViewPort & viewPort) const
{
if (viewPortLoc >= 0) {
glUseProgram(*this);
glUniform(viewPortLoc, viewPort);
}
}
SceneShader::BasicProgram::BasicProgram() :
SceneProgram {dynamicPoint_vs, material_fs}, modelLoc {*this, "model"}, modelPosLoc {*this, "modelPos"}
{
}
void
SceneShader::BasicProgram::setModel(Location const & location) const
{
glUniform(modelLoc, location.getRotationTransform());
glUniform(modelPosLoc, location.pos);
}
void
SceneShader::BasicProgram::use(Location const & location) const
{
Program::use();
setModel(location);
}
template<typename... S>
SceneShader::NetworkProgram::NetworkProgram(S &&... s) :
AbsolutePosProgram {std::forward<S>(s)...}, profileLoc {*this, "profile"}, texturePosLoc {*this, "texturePos"},
profileLengthLoc {*this, "profileLength"}
{
}
void
SceneShader::NetworkProgram::use(
const std::span<const glm::vec3> profile, const std::span<const float> texturePos) const
{
Program::use();
glUniform(profileLoc, profile);
glUniform(texturePosLoc, texturePos);
glUniform(profileLengthLoc, static_cast<GLuint>(profile.size()));
}
SceneShader::WaterProgram::WaterProgram() : SceneProgram {water_vs, water_fs}, waveLoc {*this, "waves"} { }
void
SceneShader::WaterProgram::use(float waveCycle) const
{
Program::use();
glUniform(waveLoc, waveCycle);
}
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