1 | #include "OgreIlluminationManager.h"
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2 | #include "SceneSerializer.h"
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3 |
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4 | void logParseError(const String& error, const SceneScriptContext& context)
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5 | {
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6 | LogManager::getSingleton().logMessage(
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7 | "Error at line " + StringConverter::toString(context.lineNo) +
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8 | " of " + context.filename + ": " + error);
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9 | }
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10 |
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11 | bool parseMeshFileName(String& params, SceneScriptContext& context)
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12 | {
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13 | if(params == "")
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14 | logParseError("Error reading mesh filename!", context);
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15 |
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16 | StringUtil::trim(params);
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17 | context.meshFiles[context.meshName] = params;
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18 |
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19 | return false;
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20 | }
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21 |
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22 | #ifdef NXOGRE
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23 | ShapeDescription* createShape(String params)
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24 | {
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25 | std::vector<String> parameters = StringUtil::split(params);
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26 |
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27 | ShapeDescription* s = 0;
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28 | if(parameters[0] == "cube")
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29 | s = new CubeShape(StringConverter::parseReal(parameters[1]),//width
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30 | StringConverter::parseReal(parameters[2]),//height
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31 | StringConverter::parseReal(parameters[3]));//depth
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32 | else if(parameters[0] == "sphere")
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33 | s = new SphereShape(StringConverter::parseReal(parameters[1]));//radius
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34 | else if(parameters[0] == "capsule")
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35 | s = new CapsuleShape(StringConverter::parseReal(parameters[1]),//radius
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36 | StringConverter::parseReal(parameters[2]));//height
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37 | else if(parameters[0] == "convex_mesh")
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38 | s = new ConvexShape(parameters[1]);//mesh name
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39 | else if(parameters[0] == "free_mesh")
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40 | s = new MeshShape(parameters[1]);//mesh name
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41 |
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42 | return s;
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43 | }
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44 | #endif
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45 |
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46 | bool parseMeshName(String& params, SceneScriptContext& context)
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47 | {
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48 | if(params == "")
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49 | logParseError("No mesh name given!", context);
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50 |
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51 | //create the Entity with the given mesh, attach to a scene node
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52 | StringUtil::trim(params);
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53 | String meshfilename = "";
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54 | if(context.meshFiles.count(params) != 0)
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55 | meshfilename = context.meshFiles[params];
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56 | context.meshName = params;
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57 |
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58 | #ifdef NXOGRE
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59 | if(context.meshPhysXShapes.count(context.meshName) != 0)
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60 | {
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61 | ShapeDescription *newShape = createShape(context.meshPhysXShapes[context.meshName]);
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62 | //LogManager::getSingleton().logMessage("meshname: " + meshfilename);
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63 | context.physXBody = context.scene->createBody(context.entityName, meshfilename, newShape, Vector3(0,0,0), context.meshPhysXShapeParams[context.meshName]);
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64 | context.entity = context.physXBody->getEntity();
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65 | context.sceneNode = context.physXBody->getNode();
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66 | }
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67 | else
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68 | {
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69 | context.entity = context.sceneManager->createEntity(context.entityName, meshfilename);
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70 | SceneNode* root = context.sceneManager->getRootSceneNode();
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71 | context.sceneNode = root->createChildSceneNode(context.entityName);
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72 | context.sceneNode->attachObject(context.entity);
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73 | }
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74 | #else
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75 | context.entity = context.sceneManager->createEntity(context.entityName, meshfilename);
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76 | SceneNode* root = context.sceneManager->getRootSceneNode();
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77 | context.sceneNode = root->createChildSceneNode(context.entityName);
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78 | context.sceneNode->attachObject(context.entity);
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79 | #endif
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80 | context.entity->setCastShadows(true);
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81 | return false;
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82 | }
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83 |
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84 | bool parseClusters(String& params, SceneScriptContext& context)
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85 | {
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86 | if(params == "")
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87 | logParseError("No clusters given!", context);
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88 |
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89 | std::vector<String> parameters = StringUtil::split(params);
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90 | String subentityname = context.entityName + "_SE_" + parameters[0];
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91 | PathMapClusters clasters;
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92 | clasters.count = parameters.size() - 2;
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93 | clasters.clusters = new unsigned int[clasters.count];
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94 | for(int i = 2; i < parameters.size(); i++)
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95 | clasters.clusters[i-2] = StringConverter::parseUnsignedInt(parameters.at(i));
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96 | clasters.pathMapTextureFilename = context.pathMapTextureName + "_" + parameters[0]+ ".dds";
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97 | clasters.pathMapResolution = context.pathMapResolutions[context.meshName];
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98 | OgreIlluminationManager::getSingleton().addPathMapClusters(subentityname, clasters);
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99 |
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100 | return false;
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101 | }
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102 |
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103 | bool parseCastShadows(String& params, SceneScriptContext& context)
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104 | {
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105 | context.entity->setCastShadows(StringConverter::parseBool(params));
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106 |
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107 | return false;
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108 | }
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109 |
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110 | #ifdef NXOGRE
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111 | bool parsePhysXShape(String& params, SceneScriptContext& context)
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112 | {
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113 | context.meshPhysXShapes[context.meshName] = params;
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114 |
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115 | return false;
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116 | }
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117 |
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118 | bool parsePhysXMass(String& params, SceneScriptContext& context)
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119 | {
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120 | if(context.meshPhysXShapeParams.count(context.meshName) == 0)
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121 | context.meshPhysXShapeParams[context.meshName] = "";
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122 |
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123 | context.meshPhysXShapeParams[context.meshName] += "mass: " + params + ",";
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124 |
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125 | return false;
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126 | }
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127 |
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128 | bool parsePhysXDensity(String& params, SceneScriptContext& context)
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129 | {
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130 | if(context.meshPhysXShapeParams.count(context.meshName) == 0)
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131 | context.meshPhysXShapeParams[context.meshName] = "";
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132 |
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133 | context.meshPhysXShapeParams[context.meshName] += "density: " + params + ",";
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134 |
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135 | return false;
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136 | }
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137 |
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138 | bool parsePhysXKinematic(String& params, SceneScriptContext& context)
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139 | {
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140 | if(context.meshPhysXShapeParams.count(context.meshName) == 0)
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141 | context.meshPhysXShapeParams[context.meshName] = "";
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142 |
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143 | context.meshPhysXShapeParams[context.meshName] += "kinematic: " + params + ",";
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144 |
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145 | return false;
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146 | }
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147 |
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148 | bool parsePhysXStatic(String& params, SceneScriptContext& context)
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149 | {
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150 | if(context.meshPhysXShapeParams.count(context.meshName) == 0)
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151 | context.meshPhysXShapeParams[context.meshName] = "";
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152 |
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153 | context.meshPhysXShapeParams[context.meshName] += "static: " + params + ",";
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154 |
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155 | return false;
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156 | }
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157 |
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158 | #endif
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159 |
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160 | bool parseTransform(String& params, SceneScriptContext& context)
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161 | {
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162 | Matrix4 transformMatrix = StringConverter::parseMatrix4(params);
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163 |
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164 | Vector4 x(1,0,0,0);
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165 | x = transformMatrix * x;
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166 | Vector4 y(0,1,0,0);
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167 | y = transformMatrix * y;
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168 | Vector4 z(0,0,1,0);
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169 | z = transformMatrix * z;
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170 |
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171 | #ifdef NXOGRE
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172 | if(context.meshPhysXShapes.count(context.meshName) != 0)
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173 | {
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174 | context.sceneNode->scale((Vector3(x.x,x.y,x.z)).length(),
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175 | (Vector3(y.x,y.y,y.z)).length(),
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176 | (Vector3(z.x,z.y,z.z)).length());
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177 | context.physXBody->setGlobalOrientation(transformMatrix.extractQuaternion());
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178 | context.physXBody->setGlobalPosition(transformMatrix.getTrans());
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179 | }
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180 | else
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181 | {
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182 | context.sceneNode->setOrientation(transformMatrix.extractQuaternion());
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183 | context.sceneNode->scale((Vector3(x.x,x.y,x.z)).length(),
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184 | (Vector3(y.x,y.y,y.z)).length(),
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185 | (Vector3(z.x,z.y,z.z)).length());
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186 | context.sceneNode->translate(transformMatrix.getTrans());
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187 | }
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188 | #else
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189 | context.sceneNode->setOrientation(transformMatrix.extractQuaternion());
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190 | context.sceneNode->scale((Vector3(x.x,x.y,x.z)).length(),
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191 | (Vector3(y.x,y.y,y.z)).length(),
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192 | (Vector3(z.x,z.y,z.z)).length());
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193 | context.sceneNode->translate(transformMatrix.getTrans());
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194 | #endif
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195 |
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196 | return false;
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197 | }
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198 |
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199 | bool parseMesh(String& params, SceneScriptContext& context)
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200 | {
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201 | if(params == "")
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202 | logParseError("No mesh name given!", context);
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203 |
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204 | StringUtil::trim(params);
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205 | context.meshName = params;
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206 | context.section = SSS_MESH;
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207 | return true;
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208 | }
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209 |
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210 | bool parseEntity(String& params, SceneScriptContext& context)
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211 | {
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212 | if(params == "")
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213 | logParseError("No entity name given!", context);
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214 |
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215 | StringUtil::trim(params);
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216 | context.entityName = params;
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217 | context.section = SSS_ENTITY;
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218 | return true;
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219 | }
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220 |
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221 | bool parsePMRes(String& params, SceneScriptContext& context)
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222 | {
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223 | context.pathMapResolutions[context.meshName] = StringConverter::parseUnsignedInt(params);
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224 | return false;
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225 | }
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226 |
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227 | bool parsePRMMapName(String& params, SceneScriptContext& context)
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228 | {
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229 | context.pathMapTextureName = params;
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230 | return false;
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231 | }
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232 |
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233 | SceneSerializer::SceneSerializer(SceneManager* sm)
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234 | {
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235 | mScriptContext.sceneManager = sm;
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236 | mScriptContext.section = SSS_NONE;
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237 |
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238 | mRootAttribParsers.insert(AttribParserList::value_type("mesh", (SCENE_ATTRIBUTE_PARSER)parseMesh));
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239 | mRootAttribParsers.insert(AttribParserList::value_type("entity", (SCENE_ATTRIBUTE_PARSER)parseEntity));
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240 |
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241 | mMeshAttribParsers.insert(AttribParserList::value_type("ogrefile", (SCENE_ATTRIBUTE_PARSER)parseMeshFileName));
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242 | mMeshAttribParsers.insert(AttribParserList::value_type("pathmapresolution", (SCENE_ATTRIBUTE_PARSER)parsePMRes));
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243 |
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244 | mEntityAttribParsers.insert(AttribParserList::value_type("mesh", (SCENE_ATTRIBUTE_PARSER)parseMeshName));
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245 | mEntityAttribParsers.insert(AttribParserList::value_type("transformation", (SCENE_ATTRIBUTE_PARSER)parseTransform));
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246 | mEntityAttribParsers.insert(AttribParserList::value_type("subentity", (SCENE_ATTRIBUTE_PARSER)parseClusters));
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247 | mEntityAttribParsers.insert(AttribParserList::value_type("pathmapfile", (SCENE_ATTRIBUTE_PARSER)parsePRMMapName));
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248 | mEntityAttribParsers.insert(AttribParserList::value_type("castShadows", (SCENE_ATTRIBUTE_PARSER)parseCastShadows));
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249 |
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250 | #ifdef NXOGRE
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251 | mMeshAttribParsers.insert(AttribParserList::value_type("physXShape", (SCENE_ATTRIBUTE_PARSER)parsePhysXShape));
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252 | mMeshAttribParsers.insert(AttribParserList::value_type("physXMass", (SCENE_ATTRIBUTE_PARSER)parsePhysXMass));
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253 | mMeshAttribParsers.insert(AttribParserList::value_type("physXDensity", (SCENE_ATTRIBUTE_PARSER)parsePhysXDensity));
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254 | mMeshAttribParsers.insert(AttribParserList::value_type("physXKinematic", (SCENE_ATTRIBUTE_PARSER)parsePhysXKinematic));
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255 | mMeshAttribParsers.insert(AttribParserList::value_type("physXStatic", (SCENE_ATTRIBUTE_PARSER)parsePhysXStatic));
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256 | #endif
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257 | }
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258 |
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259 | void SceneSerializer::parseEntryPoints(String filename)
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260 | {
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261 | DataStreamPtr stream;
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262 | stream = ResourceGroupManager::getSingleton().openResource(filename);
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263 |
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264 | char buffer[500];
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265 |
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266 | stream->readLine(buffer, 500);
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267 | String line = buffer;
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268 |
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269 | std::vector<String> tokens = StringUtil::split(line);
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270 | unsigned int entryPointCnt = StringConverter::parseUnsignedInt(tokens[1]);
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271 | for(int i= 0; i < entryPointCnt; i++)
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272 | {
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273 | stream->readLine(buffer, 500);
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274 | line = buffer;
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275 | tokens = StringUtil::split(line);
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276 | PathMapEntryPoint ep;
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277 | ep.position = Vector3(StringConverter::parseReal(tokens[1]),
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278 | StringConverter::parseReal(tokens[2]),
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279 | StringConverter::parseReal(tokens[3]));
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280 |
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281 | stream->readLine(buffer, 500);
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282 | line = buffer;
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283 | tokens = StringUtil::split(line);
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284 | ep.normal = Vector3(StringConverter::parseReal(tokens[1]),
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285 | StringConverter::parseReal(tokens[2]),
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286 | StringConverter::parseReal(tokens[3]));
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287 |
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288 | stream->readLine(buffer, 500);
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289 | line = buffer;
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290 | tokens = StringUtil::split(line);
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291 | ep.prob = StringConverter::parseReal(tokens[1]);
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292 |
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293 | OgreIlluminationManager::getSingleton().addPathMapEntryPoint(ep);
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294 |
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295 | stream->readLine(buffer, 500);
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296 | }
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297 | stream->readLine(buffer, 500);
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298 | line = buffer;
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299 | tokens = StringUtil::split(line);
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300 | unsigned int clusterCnt = StringConverter::parseUnsignedInt(tokens[1]);
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301 | for(int i= 0; i < clusterCnt; i++)
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302 | {
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303 | stream->readLine(buffer, 500);
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304 | unsigned int clusterlength = StringConverter::parseUnsignedInt(buffer);
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305 | OgreIlluminationManager::getSingleton().addPathMapClusterLength(clusterlength);
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306 | }
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307 | }
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308 |
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309 | void SceneSerializer::parseScript(DataStreamPtr& stream, const String& groupName)
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310 | {
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311 | //String line;
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312 | bool nextIsOpenBrace = false;
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313 |
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314 | mScriptContext.section = SSS_NONE;
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315 | mScriptContext.lineNo = 0;
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316 | mScriptContext.filename = stream->getName();
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317 |
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318 | char buffer[500];
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319 | //String summ = stream->getAsString();
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320 |
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321 | while(!stream->eof())
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322 | {
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323 |
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324 | stream->readLine(buffer, 500);
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325 |
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326 | String line = buffer;
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327 | StringUtil::trim(line,true, true);
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328 |
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329 | mScriptContext.lineNo++;
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330 |
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331 | // DEBUG LINE
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332 | // LogManager::getSingleton().logMessage("About to attempt line(#" +
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333 | // StringConverter::toString(mScriptContext.lineNo) + "): " + line);
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334 |
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335 | // Ignore comments & blanks
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336 | if (!(line.length() == 0 || line.substr(0,2) == "//"))
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337 | {
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338 | if (nextIsOpenBrace)
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339 | {
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340 | // NB, parser will have changed context already
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341 | if (line != "{")
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342 | {
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343 | logParseError("Expecting '{' but got " +
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344 | line + " instead.", mScriptContext);
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345 | }
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346 | nextIsOpenBrace = false;
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347 | }
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348 | else
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349 | {
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350 | nextIsOpenBrace = parseScriptLine(line);
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351 | }
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352 |
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353 | }
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354 | }
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355 |
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356 | // Check all braces were closed
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357 | if (mScriptContext.section != SSS_NONE)
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358 | {
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359 | logParseError("Unexpected end of file.", mScriptContext);
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360 | }
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361 |
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362 | }
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363 |
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364 | bool SceneSerializer::parseScriptLine(String& line)
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365 | {
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366 | switch(mScriptContext.section)
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367 | {
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368 | case SSS_NONE:
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369 | if (line == "}")
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370 | {
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371 | logParseError("Unexpected terminating brace.", mScriptContext);
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372 | return false;
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373 | }
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374 | else
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375 | {
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376 | // find & invoke a parser
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377 | return invokeParser(line, mRootAttribParsers);
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378 | }
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379 | break;
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380 | case SSS_MESH:
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381 | if (line == "}")
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382 | {
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383 | mScriptContext.section = SSS_NONE;
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384 | mScriptContext.meshName = "";
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385 | return false;
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386 | }
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387 | else
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388 | {
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389 | // find & invoke a parser
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390 | return invokeParser(line, mMeshAttribParsers);
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391 | }
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392 | break;
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393 | case SSS_ENTITY:
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394 | if (line == "}")
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395 | {
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396 | // End of technique
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397 | mScriptContext.section = SSS_NONE;
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398 | mScriptContext.entity = 0;
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399 | mScriptContext.entityName = "";
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400 | mScriptContext.sceneNode = 0;
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401 | return false;
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402 | }
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403 | else
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404 | {
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405 | // find & invoke a parser
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406 | return invokeParser(line, mEntityAttribParsers);
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407 | }
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408 | break;
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409 | }
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410 | }
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411 |
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412 | bool SceneSerializer::invokeParser(String& line, AttribParserList& parsers)
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413 | {
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414 | // First, split line on first divisor only
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415 | StringVector splitCmd(StringUtil::split(line, " \t", 1));
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416 |
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417 | // Find attribute parser
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418 | AttribParserList::iterator iparser = parsers.find(splitCmd[0]);
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419 | if (iparser == parsers.end())
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420 | {
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421 | // BAD command. BAD!
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422 | logParseError("Unrecognised command: " + splitCmd[0], mScriptContext);
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423 | return false;
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424 | }
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425 | else
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426 | {
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427 | String cmd;
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428 | if(splitCmd.size() >= 2)
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429 | cmd = splitCmd[1];
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430 | // Use parser, make sure we have 2 params before using splitCmd[1]
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431 | return iparser->second( cmd, mScriptContext );
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432 | }
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433 | } |
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