00001 /* 00002 ----------------------------------------------------------------------------- 00003 This source file is part of OGRE 00004 (Object-oriented Graphics Rendering Engine) 00005 For the latest info, see http://www.ogre3d.org 00006 00007 Copyright (c) 2000-2006 Torus Knot Software Ltd 00008 Also see acknowledgements in Readme.html 00009 00010 This program is free software; you can redistribute it and/or modify it under 00011 the terms of the GNU Lesser General Public License as published by the Free Software 00012 Foundation; either version 2 of the License, or (at your option) any later 00013 version. 00014 00015 This program is distributed in the hope that it will be useful, but WITHOUT 00016 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 00017 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. 00018 00019 You should have received a copy of the GNU Lesser General Public License along with 00020 this program; if not, write to the Free Software Foundation, Inc., 59 Temple 00021 Place - Suite 330, Boston, MA 02111-1307, USA, or go to 00022 http://www.gnu.org/copyleft/lesser.txt. 00023 00024 You may alternatively use this source under the terms of a specific version of 00025 the OGRE Unrestricted License provided you have obtained such a license from 00026 Torus Knot Software Ltd. 00027 ----------------------------------------------------------------------------- 00028 */ 00029 #ifndef __Renderable_H__ 00030 #define __Renderable_H__ 00031 00032 #include "OgrePrerequisites.h" 00033 #include "OgreCommon.h" 00034 00035 #include "OgreRenderOperation.h" 00036 #include "OgreMatrix4.h" 00037 #include "OgreMaterial.h" 00038 #include "OgrePlane.h" 00039 #include "OgreGpuProgram.h" 00040 #include "OgreVector4.h" 00041 #include "OgreException.h" 00042 00043 namespace Ogre { 00044 00056 class _OgreExport Renderable 00057 { 00058 public: 00059 Renderable() : mPolygonModeOverrideable(true), mUseIdentityProjection(false), mUseIdentityView(false) {} 00061 virtual ~Renderable() { } 00067 virtual const MaterialPtr& getMaterial(void) const = 0; 00073 virtual Technique* getTechnique(void) const { return getMaterial()->getBestTechnique(); } 00076 virtual void getRenderOperation(RenderOperation& op) = 0; 00089 virtual void getWorldTransforms(Matrix4* xform) const = 0; 00095 virtual const Quaternion& getWorldOrientation(void) const = 0; 00101 virtual const Vector3& getWorldPosition(void) const = 0; 00102 00111 virtual unsigned short getNumWorldTransforms(void) const { return 1; } 00112 00122 void setUseIdentityProjection(bool useIdentityProjection) 00123 { 00124 mUseIdentityProjection = useIdentityProjection; 00125 } 00126 00136 bool getUseIdentityProjection(void) const { return mUseIdentityProjection; } 00137 00147 void setUseIdentityView(bool useIdentityView) 00148 { 00149 mUseIdentityView = useIdentityView; 00150 } 00151 00161 bool getUseIdentityView(void) const { return mUseIdentityView; } 00162 00168 virtual Real getSquaredViewDepth(const Camera* cam) const = 0; 00169 00171 virtual bool getNormaliseNormals(void) const { return false; } 00172 00177 virtual const LightList& getLights(void) const = 0; 00178 00179 virtual const PlaneList& getClipPlanes() const { return msDummyPlaneList; }; 00180 00187 virtual bool getCastsShadows(void) const { return false; } 00188 00204 void setCustomParameter(size_t index, const Vector4& value) 00205 { 00206 mCustomParameters[index] = value; 00207 } 00208 00213 const Vector4& getCustomParameter(size_t index) const 00214 { 00215 CustomParameterMap::const_iterator i = mCustomParameters.find(index); 00216 if (i != mCustomParameters.end()) 00217 { 00218 return i->second; 00219 } 00220 else 00221 { 00222 OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, 00223 "Parameter at the given index was not found.", 00224 "Renderable::getCustomParameter"); 00225 } 00226 } 00227 00252 virtual void _updateCustomGpuParameter( 00253 const GpuProgramParameters::AutoConstantEntry& constantEntry, 00254 GpuProgramParameters* params) const 00255 { 00256 CustomParameterMap::const_iterator i = mCustomParameters.find(constantEntry.data); 00257 if (i != mCustomParameters.end()) 00258 { 00259 params->_writeRawConstant(constantEntry.physicalIndex, i->second, 00260 constantEntry.elementCount); 00261 } 00262 } 00263 00269 virtual void setPolygonModeOverrideable(bool override) 00270 { 00271 mPolygonModeOverrideable = override; 00272 } 00273 00277 virtual bool getPolygonModeOverrideable(void) const 00278 { 00279 return mPolygonModeOverrideable; 00280 } 00281 00282 00283 protected: 00284 static const PlaneList msDummyPlaneList; 00285 typedef std::map<size_t, Vector4> CustomParameterMap; 00286 CustomParameterMap mCustomParameters; 00287 bool mPolygonModeOverrideable; 00288 bool mUseIdentityProjection; 00289 bool mUseIdentityView; 00290 }; 00291 00292 00293 00294 } 00295 00296 #endif //__Renderable_H__
Copyright © 2000-2005 by The OGRE Team
This work is licensed under a Creative Commons Attribution-ShareAlike 2.5 License.
Last modified Mon Aug 20 13:50:47 2007