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 © 2000-2002 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 #ifndef __MaterialSerializer_H__ 00026 #define __MaterialSerializer_H__ 00027 00028 #include "OgrePrerequisites.h" 00029 #include "OgreMaterial.h" 00030 #include "OgreBlendMode.h" 00031 #include "OgreTextureUnitState.h" 00032 #include "OgreGpuProgram.h" 00033 00034 namespace Ogre { 00035 00037 enum MaterialScriptSection 00038 { 00039 MSS_NONE, 00040 MSS_MATERIAL, 00041 MSS_TECHNIQUE, 00042 MSS_PASS, 00043 MSS_TEXTUREUNIT, 00044 MSS_PROGRAM_REF, 00045 MSS_PROGRAM, 00046 MSS_TEXTURESOURCE 00047 }; 00049 struct MaterialScriptProgramDefinition 00050 { 00051 String name; 00052 GpuProgramType progType; 00053 String language; 00054 String source; 00055 String syntax; 00056 bool supportsSkeletalAnimation; 00057 std::map<String, String> customParameters; 00058 }; 00060 struct MaterialScriptContext 00061 { 00062 MaterialScriptSection section; 00063 Material* material; 00064 Technique* technique; 00065 Pass* pass; 00066 TextureUnitState* textureUnit; 00067 GpuProgram* program; // used when referencing a program, not when defining it 00068 bool isProgramShadowCaster; // when referencing, are we in context of shadow caster 00069 bool isProgramShadowReceiver; // when referencing, are we in context of shadow caster 00070 GpuProgramParametersSharedPtr programParams; 00071 MaterialScriptProgramDefinition* programDef; // this is used while defining a program 00072 00073 int techLev, //Keep track of what tech, pass, and state level we are in 00074 passLev, 00075 stateLev; 00076 00077 // Error reporting state 00078 size_t lineNo; 00079 String filename; 00080 }; 00082 typedef bool (*ATTRIBUTE_PARSER)(String& params, MaterialScriptContext& context); 00083 00085 class _OgreExport MaterialSerializer 00086 { 00087 protected: 00089 typedef std::map<String, ATTRIBUTE_PARSER> AttribParserList; 00090 00091 MaterialScriptContext mScriptContext; 00092 00096 bool parseScriptLine(String& line); 00098 bool invokeParser(String& line, AttribParserList& parsers); 00102 void finishProgramDefinition(void); 00104 AttribParserList mRootAttribParsers; 00106 AttribParserList mMaterialAttribParsers; 00108 AttribParserList mTechniqueAttribParsers; 00110 AttribParserList mPassAttribParsers; 00112 AttribParserList mTextureUnitAttribParsers; 00114 AttribParserList mProgramRefAttribParsers; 00116 AttribParserList mProgramAttribParsers; 00117 00118 void writeMaterial(const Material *pMat); 00119 void writeTechnique(const Technique* pTech); 00120 void writePass(const Pass* pPass); 00121 void writeTextureUnit(const TextureUnitState *pTex); 00122 00123 void writeSceneBlendFactor(const SceneBlendFactor sbf_src, const SceneBlendFactor sbf_dest); 00124 void writeSceneBlendFactor(const SceneBlendFactor sbf); 00125 void writeCompareFunction(const CompareFunction cf); 00126 void writeColourValue(const ColourValue &colour, bool writeAlpha = false); 00127 void writeLayerBlendOperationEx(const LayerBlendOperationEx op); 00128 void writeLayerBlendSource(const LayerBlendSource lbs); 00129 00130 typedef std::multimap<TextureUnitState::TextureEffectType, TextureUnitState::TextureEffect> EffectMap; 00131 00132 void writeRotationEffect(const TextureUnitState::TextureEffect& effect, const TextureUnitState *pTex); 00133 void writeTransformEffect(const TextureUnitState::TextureEffect& effect, const TextureUnitState *pTex); 00134 void writeScrollEffect(const TextureUnitState::TextureEffect& effect, const TextureUnitState *pTex); 00135 void writeEnvironmentMapEffect(const TextureUnitState::TextureEffect& effect, const TextureUnitState *pTex); 00136 00137 String convertFiltering(FilterOptions fo); 00138 public: 00140 MaterialSerializer(); 00142 virtual ~MaterialSerializer() {}; 00143 00145 void queueForExport(const Material *pMat, bool clearQueued = false, bool exportDefaults = false); 00147 void exportQueued(const String& filename); 00149 void exportMaterial(const Material *pMat, const String& filename, bool exportDefaults = false); 00151 const String &getQueuedAsString() const; 00153 void clearQueue(); 00154 00160 void parseScript(DataChunk& chunk, const String& filename = ""); 00161 00162 00163 00164 private: 00165 String mBuffer; 00166 bool mDefaults; 00167 00168 void beginSection(unsigned short level) 00169 { 00170 mBuffer += "\n"; 00171 for (unsigned short i = 0; i < level; ++i) 00172 { 00173 mBuffer += "\t"; 00174 } 00175 mBuffer += "{"; 00176 } 00177 void endSection(unsigned short level) 00178 { 00179 mBuffer += "\n"; 00180 for (unsigned short i = 0; i < level; ++i) 00181 { 00182 mBuffer += "\t"; 00183 } 00184 mBuffer += "}"; 00185 } 00186 00187 void writeAttribute(unsigned short level, const String& att) 00188 { 00189 mBuffer += "\n"; 00190 for (unsigned short i = 0; i < level; ++i) 00191 { 00192 mBuffer += "\t"; 00193 } 00194 mBuffer += att; 00195 } 00196 00197 void writeValue(const String& val) 00198 { 00199 mBuffer += (" " + val); 00200 } 00201 00202 void writeComment(unsigned short level, const String& comment) 00203 { 00204 mBuffer += "\n"; 00205 for (unsigned short i = 0; i < level; ++i) 00206 { 00207 mBuffer += "\t"; 00208 } 00209 mBuffer += "// " + comment; 00210 } 00211 00212 }; 00213 } 00214 #endif
Copyright © 2002-2003 by The OGRE Team
Last modified Fri May 14 23:22:22 2004