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lightsvcache.h
Go to the documentation of this file.00001 /* 00002 Copyright (C) 2005 by Jorrit Tyberghein 00003 (C) 2005 by Frank Richter 00004 00005 This library is free software; you can redistribute it and/or 00006 modify it under the terms of the GNU Library General Public 00007 License as published by the Free Software Foundation; either 00008 version 2 of the License, or (at your option) any later version. 00009 00010 This library is distributed in the hope that it will be useful, 00011 but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 Library General Public License for more details. 00014 00015 You should have received a copy of the GNU Library General Public 00016 License along with this library; if not, write to the Free 00017 Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 00018 */ 00019 00020 #ifndef __CS_CSGFX_SHADER_LIGHTSVCACHE_H__ 00021 #define __CS_CSGFX_SHADER_LIGHTSVCACHE_H__ 00022 00023 #include "csextern.h" 00024 00025 #include "iutil/strset.h" 00026 00034 class CS_CRYSTALSPACE_EXPORT csLightShaderVarCache 00035 { 00036 public: 00038 enum LightProperty 00039 { 00041 lightDiffuse = 0, 00043 lightSpecular, 00045 lightPosition, 00047 lightPositionCamera, 00049 lightPositionWorld, 00051 lightAttenuation, 00053 lightAttenuationTex, 00055 lightDirection, 00057 lightDirectionCamera, 00059 lightDirectionWorld, 00061 lightInnerFalloff, 00063 lightOuterFalloff, 00065 lightType, 00067 lightAttenuationMode, 00068 00070 _lightCount 00071 }; 00072 00074 enum DefaultSV 00075 { 00077 varAmbient = 0, 00079 varLightCount, 00080 00082 _varCount 00083 }; 00084 private: 00085 struct LightSvIdCacheEntry 00086 { 00087 csStringID ids[_lightCount]; 00088 }; 00089 csArray<LightSvIdCacheEntry> lightSVIdCache; 00090 csRef<iStringSet> strings; 00091 csStringID defaultVars[_varCount]; 00092 00093 void ClearDefVars (); 00094 public: 00099 csLightShaderVarCache () { ClearDefVars(); } 00100 00105 void SetStrings (iStringSet* strings); 00106 00117 csStringID GetLightSVId (size_t num, LightProperty prop); 00118 00128 csStringID GetDefaultSVId (DefaultSV var); 00129 }; 00130 00131 #endif // __CS_CSGFX_SHADER_LIGHTSVCACHE_H__
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