OgreShadowVolumeExtrudeProgram.h Source File

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) 2000-2005 The OGRE Team
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 */
00025 
00026 #ifndef __SHADOWVOLUMEEXTRUDEPROGRAM_H__
00027 #define __SHADOWVOLUMEEXTRUDEPROGRAM_H__
00028 
00029 #include "OgrePrerequisites.h"
00030 #include "OgreLight.h"
00031 
00032 namespace Ogre {
00126     class _OgreExport ShadowVolumeExtrudeProgram
00127     {
00128     private:
00129         static String mPointArbvp1;
00130         static String mPointVs_1_1;
00131         static String mDirArbvp1;
00132         static String mDirVs_1_1;
00133         // same as above, except the color is set to 1 to enable debug volumes to be seen
00134         static String mPointArbvp1Debug;
00135         static String mPointVs_1_1Debug;
00136         static String mDirArbvp1Debug;
00137         static String mDirVs_1_1Debug;
00138         
00139         static String mPointArbvp1Finite;
00140         static String mPointVs_1_1Finite;
00141         static String mDirArbvp1Finite;
00142         static String mDirVs_1_1Finite;
00143         // same as above, except the color is set to 1 to enable debug volumes to be seen
00144         static String mPointArbvp1FiniteDebug;
00145         static String mPointVs_1_1FiniteDebug;
00146         static String mDirArbvp1FiniteDebug;
00147         static String mDirVs_1_1FiniteDebug;
00148 
00149         static bool mInitialised;
00150 
00151     public:
00152 #define OGRE_NUM_SHADOW_EXTRUDER_PROGRAMS 8
00153         enum Programs
00154         {
00155             // Point light extruder, infinite distance
00156             POINT_LIGHT = 0,
00157             // Point light extruder, infinite distance, debug mode
00158             POINT_LIGHT_DEBUG = 1,
00159             // Directional light extruder, infinite distance
00160             DIRECTIONAL_LIGHT = 2,
00161             // Directional light extruder, infinite distance, debug mode
00162             DIRECTIONAL_LIGHT_DEBUG = 3,
00163             // Point light extruder, finite distance
00164             POINT_LIGHT_FINITE = 4,
00165             // Point light extruder, finite distance, debug mode
00166             POINT_LIGHT_FINITE_DEBUG = 5,
00167             // Directional light extruder, finite distance
00168             DIRECTIONAL_LIGHT_FINITE = 6,
00169             // Directional light extruder, finite distance, debug mode
00170             DIRECTIONAL_LIGHT_FINITE_DEBUG = 7
00171 
00172         };
00173         static const String programNames[OGRE_NUM_SHADOW_EXTRUDER_PROGRAMS];
00174 
00176         static void initialise(void);
00178         static void shutdown(void);
00180         static const String& getPointLightExtruderArbvp1(void) { return mPointArbvp1; }
00182         static const String& getPointLightExtruderVs_1_1(void) { return mPointVs_1_1; }
00184         static const String& getDirectionalLightExtruderArbvp1(void) { return mDirArbvp1; }
00186         static const String& getDirectionalLightExtruderVs_1_1(void) { return mDirVs_1_1; }
00187 
00189         static const String& getPointLightExtruderArbvp1Debug(void) { return mPointArbvp1Debug; }
00191         static const String& getPointLightExtruderVs_1_1Debug(void) { return mPointVs_1_1Debug; }
00193         static const String& getDirectionalLightExtruderArbvp1Debug(void) { return mDirArbvp1Debug; }
00195         static const String& getDirectionalLightExtruderVs_1_1Debug(void) { return mDirVs_1_1Debug; }
00197         static const String& getProgramSource(Light::LightTypes lightType, const String syntax, 
00198             bool finite, bool debug);
00199 
00200         static const String& getProgramName(Light::LightTypes lightType, bool finite, bool debug);
00201 
00202 
00203 
00204 
00205 
00207         static const String& getPointLightExtruderArbvp1Finite(void) { return mPointArbvp1Finite; }
00209         static const String& getPointLightExtruderVs_1_1Finite(void) { return mPointVs_1_1Finite; }
00211         static const String& getDirectionalLightExtruderArbvp1Finite(void) { return mDirArbvp1Finite; }
00213         static const String& getDirectionalLightExtruderVs_1_1Finite(void) { return mDirVs_1_1Finite; }
00214 
00216         static const String& getPointLightExtruderArbvp1FiniteDebug(void) { return mPointArbvp1FiniteDebug; }
00218         static const String& getPointLightExtruderVs_1_1FiniteDebug(void) { return mPointVs_1_1FiniteDebug; }
00220         static const String& getDirectionalLightExtruderArbvp1FiniteDebug(void) { return mDirArbvp1FiniteDebug; }
00222         static const String& getDirectionalLightExtruderVs_1_1FiniteDebug(void) { return mDirVs_1_1FiniteDebug; }
00223 
00224 
00225 
00226         
00227     };
00228 }
00229 #endif