ProceduralSkyComponent.h

#pragma once
 
#include "Components/Core/DynamicComponent.h"
#include "Resources/Resources.h"
#include "Resources/VertexFormats.h"
 
#include "Rendering/VertexFormat.h"
 
#include "Foundation/ComponentModel/Entity.h"
 
#include <string>
 
namespace Cogs {
    namespace Core {
        struct ProceduralSkyComponent : public DynamicComponent
        {
            ProceduralSkyComponent() {}
 
            static void registerType();
 
            glm::vec3 sunDirection = glm::vec3(1, 0, 0);
 
            void initialize(Context* context);
 
            void update();
 
        private:
            Material* material = nullptr;
            Context* context = nullptr;
 
            VariableKey krKmMaterialPropertyKey = {};
            VariableKey scaleMaterialPropertyKey = {};
            VariableKey invWavelengthMaterialPropertyKey = {};
            VariableKey miePhaseAsymmetryFactorMaterialPropertyKey = {};
            VariableKey cameraPos_HeightMaterialPropertyKey = {};
            VariableKey sunDirectionMaterialPropertyKey = {};
 
            float getAtmosphericScatteringData(glm::vec4& vKrKm, glm::vec3& vScale, glm::vec3& vInvWavelength);
            float getSunBrightness();
        };
 
    } // namespace Core
} // namespace Cogs
template<> inline Cogs::StringView getName<Cogs::Core::ProceduralSkyComponent>() { return "ProceduralSkyComponent"; }