402 lines
7.6 KiB
C++
402 lines
7.6 KiB
C++
// Copyright (C) 2017 Jérôme Leclercq
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// This file is part of the "Nazara Engine - Graphics module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <Nazara/Utility/PixelFormat.hpp>
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#include <Nazara/Renderer/Debug.hpp>
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namespace Nz
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{
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/*!
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* \brief Constructs a Light object by default
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*/
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inline Light::Light(const Light& light) :
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Renderable(light),
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m_color(light.m_color),
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m_type(light.m_type),
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m_shadowMapFormat(light.m_shadowMapFormat),
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m_shadowMapSize(light.m_shadowMapSize),
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m_shadowCastingEnabled(light.m_shadowCastingEnabled),
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m_shadowMapUpdated(false),
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m_ambientFactor(light.m_ambientFactor),
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m_attenuation(light.m_attenuation),
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m_diffuseFactor(light.m_diffuseFactor),
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m_innerAngle(light.m_innerAngle),
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m_innerAngleCosine(light.m_innerAngleCosine),
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m_invRadius(light.m_invRadius),
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m_outerAngle(light.m_outerAngle),
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m_outerAngleCosine(light.m_outerAngleCosine),
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m_outerAngleTangent(light.m_outerAngleTangent),
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m_radius(light.m_radius)
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{
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}
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/*!
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* \brief Enables shadow casting
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*
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* \param castShadows Should shadows be cast
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*/
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inline void Light::EnableShadowCasting(bool castShadows)
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{
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if (m_shadowCastingEnabled != castShadows)
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{
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m_shadowCastingEnabled = castShadows;
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m_shadowMapUpdated = false;
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}
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}
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/*!
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* \brief Ensures that the shadow map is up to date
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*/
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inline void Light::EnsureShadowMapUpdate() const
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{
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if (!m_shadowMapUpdated)
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UpdateShadowMap();
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}
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/*!
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* \brief Gets the ambient factor
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* \return Current ambient factor
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*/
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inline float Light::GetAmbientFactor() const
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{
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return m_ambientFactor;
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}
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/*!
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* \brief Gets the light attenuation (in 1 / R^2)
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* \return Attenuation
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*/
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inline float Light::GetAttenuation() const
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{
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return m_attenuation;
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}
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/*!
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* \brief Gets the color of the light
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* \return Light color
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*/
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inline Color Light::GetColor() const
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{
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return m_color;
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}
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/*!
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* \brief Gets the diffuse factor
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* \return Current diffuse factor
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*/
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inline float Light::GetDiffuseFactor() const
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{
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return m_diffuseFactor;
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}
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/*!
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* \brief Gets the inner angle in spot light
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* \return Inner angle
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*/
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inline float Light::GetInnerAngle() const
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{
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return m_innerAngle;
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}
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/*!
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* \brief Gets the cosine inner angle in spot light
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* \return Cosine inner angle
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*/
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inline float Light::GetInnerAngleCosine() const
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{
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return m_innerAngleCosine;
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}
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/*!
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* \brief Gets the inverse of the radius
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* \return Inverse of the radius
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*/
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inline float Light::GetInvRadius() const
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{
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return m_invRadius;
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}
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/*!
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* \brief Gets the type of the light
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* \return Light type
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*/
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inline LightType Light::GetLightType() const
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{
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return m_type;
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}
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/*!
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* \brief Gets the outer angle in spot light
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* \return Outer angle
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*/
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inline float Light::GetOuterAngle() const
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{
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return m_outerAngle;
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}
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/*!
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* \brief Gets the cosine outer angle in spot light
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* \return Cosine outer angle
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*/
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inline float Light::GetOuterAngleCosine() const
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{
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return m_outerAngleCosine;
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}
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/*!
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* \brief Gets the tangent outer angle in spot light
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* \return Tangent outer angle
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*/
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inline float Light::GetOuterAngleTangent() const
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{
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return m_outerAngleTangent;
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}
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/*!
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* \brief Gets the radius of the light
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* \return Light radius
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*/
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inline float Light::GetRadius() const
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{
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return m_radius;
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}
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/*!
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* \brief Gets the shadow map
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* \return Reference to the shadow map texture
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*/
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inline TextureRef Light::GetShadowMap() const
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{
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EnsureShadowMapUpdate();
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return m_shadowMap;
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}
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/*!
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* \brief Gets the format of the shadow map
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* \return Shadow map format
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*/
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inline PixelFormatType Light::GetShadowMapFormat() const
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{
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return m_shadowMapFormat;
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}
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/*!
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* \brief Gets the size of the shadow map
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* \return Shadow map size
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*/
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inline const Vector2ui& Light::GetShadowMapSize() const
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{
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return m_shadowMapSize;
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}
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/*!
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* \brief Checks whether the shadow casting is enabled
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* \return true If it is the case
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*/
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inline bool Light::IsShadowCastingEnabled() const
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{
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return m_shadowCastingEnabled;
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}
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/*!
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* \brief Sets the ambient factor
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*
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* \param factor Ambient factor
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*/
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inline void Light::SetAmbientFactor(float factor)
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{
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m_ambientFactor = factor;
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}
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/*!
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* \brief Sets the light attenuation (in 1 / R^2)
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*
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* \param attenuation Light attenuation
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*/
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inline void Light::SetAttenuation(float attenuation)
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{
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m_attenuation = attenuation;
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}
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/*!
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* \brief Sets the color of the light
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*
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* \param color Light color
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*/
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inline void Light::SetColor(const Color& color)
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{
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m_color = color;
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}
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/*!
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* \brief Sets the diffuse factor
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*
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* \param factor Diffuse factor
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*/
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inline void Light::SetDiffuseFactor(float factor)
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{
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m_diffuseFactor = factor;
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}
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/*!
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* \brief Sets the inner angle in spot light
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* \return innerAngle Inner angle
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*/
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inline void Light::SetInnerAngle(float innerAngle)
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{
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m_innerAngle = innerAngle;
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m_innerAngleCosine = std::cos(DegreeToRadian(m_innerAngle));
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}
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/*!
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* \brief Sets the type of light
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*
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* \param type Light type
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*/
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inline void Light::SetLightType(LightType type)
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{
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m_type = type;
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InvalidateShadowMap();
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}
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/*!
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* \brief Sets the outer angle in spot light
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* \return outerAngle Outer angle
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*
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* \remark Invalidates the bounding volume
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*/
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inline void Light::SetOuterAngle(float outerAngle)
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{
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m_outerAngle = outerAngle;
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m_outerAngleCosine = std::cos(DegreeToRadian(m_outerAngle));
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m_outerAngleTangent = std::tan(DegreeToRadian(m_outerAngle));
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InvalidateBoundingVolume();
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}
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/*!
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* \brief Sets the radius of the light
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* \return radius Light radius
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*
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* \remark Invalidates the bounding volume
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*/
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inline void Light::SetRadius(float radius)
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{
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m_radius = radius;
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m_invRadius = 1.f / m_radius;
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InvalidateBoundingVolume();
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}
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/*!
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* \brief Sets the shadow map format
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*
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* \param shadowFormat Shadow map format
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*
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* \remark Invalidates the shadow map
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* \remark Produces a NazaraAssert if format is not a depth type
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*/
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inline void Light::SetShadowMapFormat(PixelFormatType shadowFormat)
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{
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NazaraAssert(PixelFormat::GetContent(shadowFormat) == PixelFormatContent_DepthStencil, "Shadow format type is not a depth format");
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m_shadowMapFormat = shadowFormat;
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InvalidateShadowMap();
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}
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/*!
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* \brief Sets the size of the shadow map
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*
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* \param size Shadow map size
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*
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* \remark Invalidates the shadow map
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* \remark Produces a NazaraAssert if size is zero
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*/
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inline void Light::SetShadowMapSize(const Vector2ui& size)
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{
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NazaraAssert(size.x > 0 && size.y > 0, "Shadow map size must have a positive size");
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m_shadowMapSize = size;
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InvalidateShadowMap();
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}
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/*!
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* \brief Sets the current light with the content of the other one
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* \return A reference to this
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*
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* \param light The other Light
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*
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* \remark Invalidates the shadow map
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*/
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inline Light& Light::operator=(const Light& light)
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{
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Renderable::operator=(light);
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m_ambientFactor = light.m_ambientFactor;
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m_attenuation = light.m_attenuation;
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m_color = light.m_color;
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m_diffuseFactor = light.m_diffuseFactor;
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m_innerAngle = light.m_innerAngle;
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m_innerAngleCosine = light.m_innerAngleCosine;
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m_invRadius = light.m_invRadius;
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m_outerAngle = light.m_outerAngle;
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m_outerAngleCosine = light.m_outerAngleCosine;
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m_outerAngleTangent = light.m_outerAngleTangent;
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m_radius = light.m_radius;
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m_shadowCastingEnabled = light.m_shadowCastingEnabled;
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m_shadowMapFormat = light.m_shadowMapFormat;
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m_shadowMapSize = light.m_shadowMapSize;
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m_type = light.m_type;
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InvalidateShadowMap();
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return *this;
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}
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/*!
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* \brief Invalidates the shadow map
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*/
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inline void Light::InvalidateShadowMap()
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{
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m_shadowMapUpdated = false;
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}
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}
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#include <Nazara/Renderer/DebugOff.hpp>
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