$#include "Graphics/Light.h"

enum LightType
{
    LIGHT_DIRECTIONAL = 0,
    LIGHT_SPOT,
    LIGHT_POINT
};

struct BiasParameters
{
    BiasParameters();
    BiasParameters(float constantBias, float slopeScaledBias, float normalOffset = 0.0f);
    ~BiasParameters();
    
    float constantBias_ @ constantBias;
    float slopeScaledBias_ @ slopeScaledBias;
    float normalOffset_ @ normalOffset;
};

struct CascadeParameters
{
    CascadeParameters();
    CascadeParameters(float split1, float split2, float split3, float split4, float fadeStart, float biasAutoAdjust = 1.0f);
    ~CascadeParameters();
    
    float fadeStart_ @ fadeStart;
    float biasAutoAdjust_ @ biasAutoAdjust;
};

struct FocusParameters
{
    FocusParameters();
    FocusParameters(bool focus, bool nonUniform, bool autoSize, float quantize, float minView);
    ~FocusParameters();
    
    bool focus_ @ focus;
    bool nonUniform_ @ nonUniform;
    bool autoSize_ @ autoSize;
    float quantize_ @ quantize;
    float minView_ @ minView;
};

class Light : public Drawable
{
    void SetLightType(LightType type);
    void SetPerVertex(bool enable);
    void SetColor(const Color& color);
    void SetTemperature(float temperature);
    void SetRadius(float redius);
    void SetLength(float length);
    void SetUsePhysicalValues(bool enable);
    void SetSpecularIntensity(float intensity);
    void SetBrightness(float brightness);
    void SetRange(float range);
    void SetFov(float fov);
    void SetAspectRatio(float aspectRatio);
    void SetFadeDistance(float distance);
    void SetShadowFadeDistance(float distance);
    void SetShadowBias(const BiasParameters& parameters);
    void SetShadowCascade(const CascadeParameters& parameters);
    void SetShadowFocus(const FocusParameters& parameters);
    void SetShadowIntensity(float intensity);
    void SetShadowResolution(float resolution);
    void SetShadowNearFarRatio(float nearFarRatio);
    void SetShadowMaxExtrusion(float extrusion);
    void SetRampTexture(Texture* texture);
    void SetShapeTexture(Texture* texture);

    LightType GetLightType() const;
    bool GetPerVertex() const;
    const Color& GetColor() const;
    float GetTemperature() const;
    float GetRadius() const;
    float GetLength() const;
    float GetSpecularIntensity() const;
    float GetBrightness() const;
    Color GetEffectiveColor() const;
    Color GetColorFromTemperature() const;
    bool GetUsePhysicalValues() const;
    float GetEffectiveSpecularIntensity() const;
    float GetRange() const;
    float GetFov() const;
    float GetAspectRatio() const;
    float GetFadeDistance() const;
    float GetShadowFadeDistance() const;
    const BiasParameters& GetShadowBias() const;
    const CascadeParameters& GetShadowCascade() const;
    const FocusParameters& GetShadowFocus() const;
    float GetShadowIntensity() const;
    float GetShadowResolution() const;
    float GetShadowNearFarRatio() const;
    float GetShadowMaxExtrusion() const;
    Texture* GetRampTexture() const;
    Texture* GetShapeTexture() const;
    Frustum GetFrustum() const;
    int GetNumShadowSplits() const;
    bool IsNegative() const;
    
    tolua_property__get_set LightType lightType;
    tolua_property__get_set bool perVertex;
    tolua_property__get_set Color& color;
    tolua_property__get_set float temperature;
    tolua_property__get_set float radius;
    tolua_property__get_set float length;
    tolua_property__get_set bool usePhysicalValues;
    tolua_property__get_set float specularIntensity;
    tolua_property__get_set float brightness;
    tolua_property__get_set float range;
    tolua_property__get_set float fov;
    tolua_property__get_set float aspectRatio;
    tolua_property__get_set float fadeDistance;
    tolua_property__get_set float shadowFadeDistance;
    tolua_property__get_set BiasParameters& shadowBias;
    tolua_property__get_set CascadeParameters& shadowCascade;
    tolua_property__get_set FocusParameters& shadowFocus;
    tolua_property__get_set float shadowIntensity;
    tolua_property__get_set float shadowResolution;
    tolua_property__get_set float shadowNearFarRatio;
    tolua_property__get_set float shadowMaxExtrusion;
    tolua_property__get_set Texture* rampTexture;
    tolua_property__get_set Texture* shapeTexture;
    tolua_readonly tolua_property__get_set Frustum frustum;
    tolua_readonly tolua_property__get_set int numShadowSplits;
    tolua_readonly tolua_property__is_set bool negative;
    tolua_readonly tolua_property__get_set Color effectiveColor;
    tolua_readonly tolua_property__get_set float effectiveSpecularIntensity;
};