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#pragma once
#ifndef QT3DS_RENDER_LIGHT_H
#define QT3DS_RENDER_LIGHT_H
#include "Qt3DSRenderNode.h"

namespace qt3ds {
namespace render {

    struct RenderLightTypes
    {
        enum Enum {
            Unknown = 0,
            Directional,
            Point,
            Area,
        };
    };

    struct SImage;

    struct QT3DS_AUTOTEST_EXPORT SLight : public SNode
    {
        RenderLightTypes::Enum m_LightType; // Directional
        SNode *m_Scope;
        QT3DSVec4 m_DiffuseColor; // colors are 0-1 normalized
        QT3DSVec4 m_SpecularColor; // colors are 0-1 normalized
        QT3DSVec4 m_AmbientColor; // colors are 0-1 normalized

        // The variables below are in the same range as Studio
        // Only valid if node is a point light
        QT3DSF32 m_Brightness; // 0-200
        QT3DSF32 m_LinearFade; // 0-200
        QT3DSF32 m_ExponentialFade; // 0-200

        QT3DSF32 m_AreaWidth; // 0.01-inf
        QT3DSF32 m_AreaHeight; // 0.01-inf

        bool m_CastShadow; // true if this light produce shadows
        QT3DSF32 m_ShadowBias; // depth shift to avoid self-shadowing artifacts
        QT3DSF32 m_ShadowFactor; // Darkening factor for ESMs
        QT3DSU32 m_ShadowMapRes; // Resolution of shadow map
        QT3DSF32 m_ShadowMapFar; // Far clip plane for the shadow map
        QT3DSF32 m_ShadowMapFov; // Field of View for the shadow map
        QT3DSF32 m_ShadowFilter; // Shadow map filter step size

        // Defaults to directional light
        SLight();

        // Generic method used during serialization
        // to remap string and object pointers
        template <typename TRemapperType>
        void Remap(TRemapperType &inRemapper)
        {
            SNode::Remap(inRemapper);
            inRemapper.Remap(m_Scope);
        }
    };
}
}

#endif