pxmlw6n2f/Gazebo_Distributed_TCP/gazebo/rendering/deferred_shading/DeferredLight.hh

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3.9 KiB
C++

/*
* Copyright (C) 2012 Open Source Robotics Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#ifndef _DEFERREDLIGHT_HH_
#define _DEFERREDLIGHT_HH_
#include <OgreSimpleRenderable.h>
#include <OgreInstancedEntity.h>
#include <OgreTechnique.h>
#include "gazebo/rendering/deferred_shading/MaterialGenerator.hh"
#include "gazebo/util/system.hh"
namespace gazebo
{
namespace rendering
{
/// Deferred light geometry. Each instance matches a normal light.
/// Should not be created by the user.
/// XXX support other types of light other than point lights.
class GZ_RENDERING_VISIBLE DeferredLight :
public Ogre::SimpleRenderable
{
/// \brief Constructor
public: DeferredLight(MaterialGenerator *_gen, Ogre::Light *_parentLight,
Ogre::MaterialPtr _vplMaterial);
/// \brief Destructor
public: ~DeferredLight();
/// \brief Update the information from the light that matches this one
public: void UpdateFromParent();
/// \breif Update the information that is related to the camera
public: void UpdateFromCamera(Ogre::Camera *_camera);
/// \brief Does this light cast shadows?
public: virtual bool getCastShadows() const;
/// @copydoc MovableObject::getBoundingRadius
public: virtual Ogre::Real getBoundingRadius(void) const;
/// @copydoc Renderable::getSquaredViewDepth
public: virtual Ogre::Real getSquaredViewDepth(const Ogre::Camera*) const;
/// @copydoc Renderable::getMaterial
public: virtual const Ogre::MaterialPtr &getMaterial(void) const;
/// @copydoc Renderable::getBoundingRadius
public: virtual void getWorldTransforms(Ogre::Matrix4 *_xform) const;
public: virtual void UpdateRSM(const Ogre::TexturePtr &_shadowTex);
public: virtual void UpdateShadowInvProj(Ogre::Matrix4 &_invproj);
public: Ogre::Light *GetParentLight() {return this->parentLight;}
public: void SetVPLCount(uint32_t _n, Ogre::SceneManager *_sm,
Ogre::InstanceManager *_im);
public: void RenderVPLs(Ogre::SceneManager *_sm,
Ogre::InstanceManager *_im);
/// Check if the camera is inside a light
protected: bool IsCameraInsideLight(Ogre::Camera *_camera);
/// Create geometry for this light.
protected: void RebuildGeometry(float _radius);
/// Create a sphere geometry.
protected: void CreateSphere(float _radius, int _nRings, int _nSegments);
/// Create a rectangle.
protected: void CreateRectangle2D();
/// Create a cone.
protected: void CreateCone(float _radius, float _height,
int _nVerticesInBase);
/// Set constant, linear, quadratic Attenuation terms
protected: void SetAttenuation(float _c, float _b, float _a);
/// Set the specular colour
protected: void SetSpecularColor(const Ogre::ColourValue &_col);
/// The light that this DLight renders
protected: Ogre::Light *parentLight;
/// Mode to ignore world orientation/position
protected: bool ignoreWorld;
/// Bounding sphere radius
protected: float radius;
/// Deferred shading system this minilight is part of
protected: MaterialGenerator *generator;
/// Material permutation
protected: unsigned int permutation;
protected: Ogre::MaterialPtr VPLMaterial;
};
}
}
#endif