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 #include "OgreStringVector.h" 00034 00035 namespace Ogre { 00036 00038 enum MaterialScriptSection 00039 { 00040 MSS_NONE, 00041 MSS_MATERIAL, 00042 MSS_TECHNIQUE, 00043 MSS_PASS, 00044 MSS_TEXTUREUNIT, 00045 MSS_PROGRAM_REF, 00046 MSS_PROGRAM, 00047 MSS_DEFAULT_PARAMETERS, 00048 MSS_TEXTURESOURCE 00049 }; 00051 struct MaterialScriptProgramDefinition 00052 { 00053 String name; 00054 GpuProgramType progType; 00055 String language; 00056 String source; 00057 String syntax; 00058 bool supportsSkeletalAnimation; 00059 std::map<String, String> customParameters; 00060 }; 00062 struct MaterialScriptContext 00063 { 00064 MaterialScriptSection section; 00065 Material* material; 00066 Technique* technique; 00067 Pass* pass; 00068 TextureUnitState* textureUnit; 00069 GpuProgram* program; // used when referencing a program, not when defining it 00070 bool isProgramShadowCaster; // when referencing, are we in context of shadow caster 00071 bool isProgramShadowReceiver; // when referencing, are we in context of shadow caster 00072 GpuProgramParametersSharedPtr programParams; 00073 MaterialScriptProgramDefinition* programDef; // this is used while defining a program 00074 00075 int techLev, //Keep track of what tech, pass, and state level we are in 00076 passLev, 00077 stateLev; 00078 StringVector defaultParamLines; 00079 00080 // Error reporting state 00081 size_t lineNo; 00082 String filename; 00083 }; 00085 typedef bool (*ATTRIBUTE_PARSER)(String& params, MaterialScriptContext& context); 00086 00088 class _OgreExport MaterialSerializer 00089 { 00090 protected: 00092 typedef std::map<String, ATTRIBUTE_PARSER> AttribParserList; 00093 00094 MaterialScriptContext mScriptContext; 00095 00099 bool parseScriptLine(String& line); 00101 bool invokeParser(String& line, AttribParserList& parsers); 00105 void finishProgramDefinition(void); 00107 AttribParserList mRootAttribParsers; 00109 AttribParserList mMaterialAttribParsers; 00111 AttribParserList mTechniqueAttribParsers; 00113 AttribParserList mPassAttribParsers; 00115 AttribParserList mTextureUnitAttribParsers; 00117 AttribParserList mProgramRefAttribParsers; 00119 AttribParserList mProgramAttribParsers; 00121 AttribParserList mProgramDefaultParamAttribParsers; 00122 00123 void writeMaterial(const Material *pMat); 00124 void writeTechnique(const Technique* pTech); 00125 void writePass(const Pass* pPass); 00126 void writeTextureUnit(const TextureUnitState *pTex); 00127 00128 void writeSceneBlendFactor(const SceneBlendFactor sbf_src, const SceneBlendFactor sbf_dest); 00129 void writeSceneBlendFactor(const SceneBlendFactor sbf); 00130 void writeCompareFunction(const CompareFunction cf); 00131 void writeColourValue(const ColourValue &colour, bool writeAlpha = false); 00132 void writeLayerBlendOperationEx(const LayerBlendOperationEx op); 00133 void writeLayerBlendSource(const LayerBlendSource lbs); 00134 00135 typedef std::multimap<TextureUnitState::TextureEffectType, TextureUnitState::TextureEffect> EffectMap; 00136 00137 void writeRotationEffect(const TextureUnitState::TextureEffect& effect, const TextureUnitState *pTex); 00138 void writeTransformEffect(const TextureUnitState::TextureEffect& effect, const TextureUnitState *pTex); 00139 void writeScrollEffect(const TextureUnitState::TextureEffect& effect, const TextureUnitState *pTex); 00140 void writeEnvironmentMapEffect(const TextureUnitState::TextureEffect& effect, const TextureUnitState *pTex); 00141 00142 String convertFiltering(FilterOptions fo); 00143 public: 00145 MaterialSerializer(); 00147 virtual ~MaterialSerializer() {}; 00148 00150 void queueForExport(const Material *pMat, bool clearQueued = false, bool exportDefaults = false); 00152 void exportQueued(const String& filename); 00154 void exportMaterial(const Material *pMat, const String& filename, bool exportDefaults = false); 00156 const String &getQueuedAsString() const; 00158 void clearQueue(); 00159 00165 void parseScript(DataChunk& chunk, const String& filename = ""); 00166 00167 00168 00169 private: 00170 String mBuffer; 00171 bool mDefaults; 00172 00173 void beginSection(unsigned short level) 00174 { 00175 mBuffer += "\n"; 00176 for (unsigned short i = 0; i < level; ++i) 00177 { 00178 mBuffer += "\t"; 00179 } 00180 mBuffer += "{"; 00181 } 00182 void endSection(unsigned short level) 00183 { 00184 mBuffer += "\n"; 00185 for (unsigned short i = 0; i < level; ++i) 00186 { 00187 mBuffer += "\t"; 00188 } 00189 mBuffer += "}"; 00190 } 00191 00192 void writeAttribute(unsigned short level, const String& att) 00193 { 00194 mBuffer += "\n"; 00195 for (unsigned short i = 0; i < level; ++i) 00196 { 00197 mBuffer += "\t"; 00198 } 00199 mBuffer += att; 00200 } 00201 00202 void writeValue(const String& val) 00203 { 00204 mBuffer += (" " + val); 00205 } 00206 00207 void writeComment(unsigned short level, const String& comment) 00208 { 00209 mBuffer += "\n"; 00210 for (unsigned short i = 0; i < level; ++i) 00211 { 00212 mBuffer += "\t"; 00213 } 00214 mBuffer += "// " + comment; 00215 } 00216 00217 }; 00218 } 00219 #endif
Copyright © 2002-2003 by The OGRE Team
Last modified Sun Nov 28 19:48:32 2004