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