402 lines
7.5 KiB
C++
402 lines
7.5 KiB
C++
// Copyright (C) 2015 Jérôme Leclercq
|
|
// This file is part of the "Nazara Engine - Graphics module"
|
|
// For conditions of distribution and use, see copyright notice in Config.hpp
|
|
|
|
#include <memory>
|
|
#include <Nazara/Renderer/Debug.hpp>
|
|
|
|
namespace Nz
|
|
{
|
|
/*!
|
|
* \brief Constructs a Light object by default
|
|
*/
|
|
|
|
inline Light::Light(const Light& light) :
|
|
Renderable(light),
|
|
m_color(light.m_color),
|
|
m_type(light.m_type),
|
|
m_shadowMapFormat(light.m_shadowMapFormat),
|
|
m_shadowMapSize(light.m_shadowMapSize),
|
|
m_shadowCastingEnabled(light.m_shadowCastingEnabled),
|
|
m_shadowMapUpdated(false),
|
|
m_ambientFactor(light.m_ambientFactor),
|
|
m_attenuation(light.m_attenuation),
|
|
m_diffuseFactor(light.m_diffuseFactor),
|
|
m_innerAngle(light.m_innerAngle),
|
|
m_innerAngleCosine(light.m_innerAngleCosine),
|
|
m_invRadius(light.m_invRadius),
|
|
m_outerAngle(light.m_outerAngle),
|
|
m_outerAngleCosine(light.m_outerAngleCosine),
|
|
m_outerAngleTangent(light.m_outerAngleTangent),
|
|
m_radius(light.m_radius)
|
|
{
|
|
}
|
|
|
|
/*!
|
|
* \brief Enables shadow casting
|
|
*
|
|
* \param castShadows Should shadows be cast
|
|
*/
|
|
|
|
inline void Light::EnableShadowCasting(bool castShadows)
|
|
{
|
|
if (m_shadowCastingEnabled != castShadows)
|
|
{
|
|
m_shadowCastingEnabled = castShadows;
|
|
m_shadowMapUpdated = false;
|
|
}
|
|
}
|
|
|
|
/*!
|
|
* \brief Ensures that the shadow map is up to date
|
|
*/
|
|
|
|
inline void Light::EnsureShadowMapUpdate() const
|
|
{
|
|
if (!m_shadowMapUpdated)
|
|
UpdateShadowMap();
|
|
}
|
|
|
|
/*!
|
|
* \brief Gets the ambient factor
|
|
* \return Current ambient factor
|
|
*/
|
|
|
|
inline float Light::GetAmbientFactor() const
|
|
{
|
|
return m_ambientFactor;
|
|
}
|
|
|
|
/*!
|
|
* \brief Gets the light attenuation (in 1 / R^2)
|
|
* \return Attenuation
|
|
*/
|
|
|
|
inline float Light::GetAttenuation() const
|
|
{
|
|
return m_attenuation;
|
|
}
|
|
|
|
/*!
|
|
* \brief Gets the color of the light
|
|
* \return Light color
|
|
*/
|
|
|
|
inline Color Light::GetColor() const
|
|
{
|
|
return m_color;
|
|
}
|
|
|
|
/*!
|
|
* \brief Gets the diffuse factor
|
|
* \return Current diffuse factor
|
|
*/
|
|
|
|
inline float Light::GetDiffuseFactor() const
|
|
{
|
|
return m_diffuseFactor;
|
|
}
|
|
|
|
/*!
|
|
* \brief Gets the inner angle in spot light
|
|
* \return Inner angle
|
|
*/
|
|
|
|
inline float Light::GetInnerAngle() const
|
|
{
|
|
return m_innerAngle;
|
|
}
|
|
|
|
/*!
|
|
* \brief Gets the cosine inner angle in spot light
|
|
* \return Cosine inner angle
|
|
*/
|
|
|
|
inline float Light::GetInnerAngleCosine() const
|
|
{
|
|
return m_innerAngleCosine;
|
|
}
|
|
|
|
/*!
|
|
* \brief Gets the inverse of the radius
|
|
* \return Inverse of the radius
|
|
*/
|
|
|
|
inline float Light::GetInvRadius() const
|
|
{
|
|
return m_invRadius;
|
|
}
|
|
|
|
/*!
|
|
* \brief Gets the type of the light
|
|
* \return Light type
|
|
*/
|
|
|
|
inline LightType Light::GetLightType() const
|
|
{
|
|
return m_type;
|
|
}
|
|
|
|
/*!
|
|
* \brief Gets the outer angle in spot light
|
|
* \return Outer angle
|
|
*/
|
|
|
|
inline float Light::GetOuterAngle() const
|
|
{
|
|
return m_outerAngle;
|
|
}
|
|
|
|
/*!
|
|
* \brief Gets the cosine outer angle in spot light
|
|
* \return Cosine outer angle
|
|
*/
|
|
|
|
inline float Light::GetOuterAngleCosine() const
|
|
{
|
|
return m_outerAngleCosine;
|
|
}
|
|
|
|
/*!
|
|
* \brief Gets the tangent outer angle in spot light
|
|
* \return Tangent outer angle
|
|
*/
|
|
|
|
inline float Light::GetOuterAngleTangent() const
|
|
{
|
|
return m_outerAngleTangent;
|
|
}
|
|
|
|
/*!
|
|
* \brief Gets the radius of the light
|
|
* \return Light radius
|
|
*/
|
|
|
|
inline float Light::GetRadius() const
|
|
{
|
|
return m_radius;
|
|
}
|
|
|
|
/*!
|
|
* \brief Gets the shadow map
|
|
* \return Reference to the shadow map texture
|
|
*/
|
|
|
|
inline TextureRef Light::GetShadowMap() const
|
|
{
|
|
EnsureShadowMapUpdate();
|
|
|
|
return m_shadowMap;
|
|
}
|
|
|
|
/*!
|
|
* \brief Gets the format of the shadow map
|
|
* \return Shadow map format
|
|
*/
|
|
|
|
inline PixelFormatType Light::GetShadowMapFormat() const
|
|
{
|
|
return m_shadowMapFormat;
|
|
}
|
|
|
|
/*!
|
|
* \brief Gets the size of the shadow map
|
|
* \return Shadow map size
|
|
*/
|
|
|
|
inline const Vector2ui& Light::GetShadowMapSize() const
|
|
{
|
|
return m_shadowMapSize;
|
|
}
|
|
|
|
/*!
|
|
* \brief Checks whether the shadow casting is enabled
|
|
* \return true If it is the case
|
|
*/
|
|
|
|
inline bool Light::IsShadowCastingEnabled() const
|
|
{
|
|
return m_shadowCastingEnabled;
|
|
}
|
|
|
|
/*!
|
|
* \brief Sets the ambient factor
|
|
*
|
|
* \param factor Ambient factor
|
|
*/
|
|
|
|
inline void Light::SetAmbientFactor(float factor)
|
|
{
|
|
m_ambientFactor = factor;
|
|
}
|
|
|
|
/*!
|
|
* \brief Sets the light attenuation (in 1 / R^2)
|
|
*
|
|
* \param attenuation Light attenuation
|
|
*/
|
|
|
|
inline void Light::SetAttenuation(float attenuation)
|
|
{
|
|
m_attenuation = attenuation;
|
|
}
|
|
|
|
/*!
|
|
* \brief Sets the color of the light
|
|
*
|
|
* \param color Light color
|
|
*/
|
|
|
|
inline void Light::SetColor(const Color& color)
|
|
{
|
|
m_color = color;
|
|
}
|
|
|
|
/*!
|
|
* \brief Sets the diffuse factor
|
|
*
|
|
* \param factor Diffuse factor
|
|
*/
|
|
|
|
inline void Light::SetDiffuseFactor(float factor)
|
|
{
|
|
m_diffuseFactor = factor;
|
|
}
|
|
|
|
/*!
|
|
* \brief Sets the inner angle in spot light
|
|
* \return innerAngle Inner angle
|
|
*/
|
|
|
|
inline void Light::SetInnerAngle(float innerAngle)
|
|
{
|
|
m_innerAngle = innerAngle;
|
|
m_innerAngleCosine = std::cos(DegreeToRadian(m_innerAngle));
|
|
}
|
|
|
|
/*!
|
|
* \brief Sets the type of light
|
|
*
|
|
* \param type Light type
|
|
*/
|
|
|
|
inline void Light::SetLightType(LightType type)
|
|
{
|
|
m_type = type;
|
|
|
|
InvalidateShadowMap();
|
|
}
|
|
|
|
/*!
|
|
* \brief Sets the outer angle in spot light
|
|
* \return outerAngle Outer angle
|
|
*
|
|
* \remark Invalidates the bounding volume
|
|
*/
|
|
|
|
inline void Light::SetOuterAngle(float outerAngle)
|
|
{
|
|
m_outerAngle = outerAngle;
|
|
m_outerAngleCosine = std::cos(DegreeToRadian(m_outerAngle));
|
|
m_outerAngleTangent = std::tan(DegreeToRadian(m_outerAngle));
|
|
|
|
InvalidateBoundingVolume();
|
|
}
|
|
|
|
/*!
|
|
* \brief Sets the radius of the light
|
|
* \return radius Light radius
|
|
*
|
|
* \remark Invalidates the bounding volume
|
|
*/
|
|
|
|
inline void Light::SetRadius(float radius)
|
|
{
|
|
m_radius = radius;
|
|
|
|
m_invRadius = 1.f / m_radius;
|
|
|
|
InvalidateBoundingVolume();
|
|
}
|
|
|
|
/*!
|
|
* \brief Sets the shadow map format
|
|
*
|
|
* \param shadowFormat Shadow map format
|
|
*
|
|
* \remark Invalidates the shadow map
|
|
* \remark Produces a NazaraAssert if format is not a depth type
|
|
*/
|
|
|
|
inline void Light::SetShadowMapFormat(PixelFormatType shadowFormat)
|
|
{
|
|
NazaraAssert(PixelFormat::GetContent(shadowFormat) == PixelFormatContent_DepthStencil, "Shadow format type is not a depth format");
|
|
|
|
m_shadowMapFormat = shadowFormat;
|
|
|
|
InvalidateShadowMap();
|
|
}
|
|
|
|
/*!
|
|
* \brief Sets the size of the shadow map
|
|
*
|
|
* \param size Shadow map size
|
|
*
|
|
* \remark Invalidates the shadow map
|
|
* \remark Produces a NazaraAssert if size is zero
|
|
*/
|
|
|
|
inline void Light::SetShadowMapSize(const Vector2ui& size)
|
|
{
|
|
NazaraAssert(size.x > 0 && size.y > 0, "Shadow map size must have a positive size");
|
|
|
|
m_shadowMapSize = size;
|
|
|
|
InvalidateShadowMap();
|
|
}
|
|
|
|
/*!
|
|
* \brief Sets the current light with the content of the other one
|
|
* \return A reference to this
|
|
*
|
|
* \param light The other Light
|
|
*
|
|
* \remark Invalidates the shadow map
|
|
*/
|
|
|
|
inline Light& Light::operator=(const Light& light)
|
|
{
|
|
Renderable::operator=(light);
|
|
|
|
m_ambientFactor = light.m_ambientFactor;
|
|
m_attenuation = light.m_attenuation;
|
|
m_color = light.m_color;
|
|
m_diffuseFactor = light.m_diffuseFactor;
|
|
m_innerAngle = light.m_innerAngle;
|
|
m_innerAngleCosine = light.m_innerAngleCosine;
|
|
m_invRadius = light.m_invRadius;
|
|
m_outerAngle = light.m_outerAngle;
|
|
m_outerAngleCosine = light.m_outerAngleCosine;
|
|
m_outerAngleTangent = light.m_outerAngleTangent;
|
|
m_radius = light.m_radius;
|
|
m_shadowCastingEnabled = light.m_shadowCastingEnabled;
|
|
m_shadowMapFormat = light.m_shadowMapFormat;
|
|
m_shadowMapSize = light.m_shadowMapSize;
|
|
m_type = light.m_type;
|
|
|
|
InvalidateShadowMap();
|
|
return *this;
|
|
}
|
|
|
|
/*!
|
|
* \brief Invalidates the shadow map
|
|
*/
|
|
|
|
inline void Light::InvalidateShadowMap()
|
|
{
|
|
m_shadowMapUpdated = false;
|
|
}
|
|
}
|
|
|
|
#include <Nazara/Renderer/DebugOff.hpp>
|