[1079] | 1 | #include "SceneSerializer.h"
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[2186] | 2 | #include "OgreIlluminationManager.h"
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[1079] | 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 | bool parseMeshName(String& params, SceneScriptContext& context)
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| 23 | {
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| 24 | if(params == "")
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| 25 | logParseError("No mesh name given!", context);
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| 26 |
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| 27 | //create the Entity with the given mesh, attach to a scene node
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| 28 | StringUtil::trim(params);
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| 29 | String meshfilename = context.meshFiles[params];
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[2186] | 30 | context.meshName = params;
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[1079] | 31 | context.entity = context.sceneManager->createEntity(context.entityName, meshfilename);
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| 32 | SceneNode* root = context.sceneManager->getRootSceneNode();
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| 33 | context.sceneNode = root->createChildSceneNode(context.entityName);
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| 34 | context.sceneNode->attachObject(context.entity);
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| 35 |
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| 36 | return false;
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| 37 | }
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| 38 |
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[2186] | 39 | bool parseClusters(String& params, SceneScriptContext& context)
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| 40 | {
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| 41 | if(params == "")
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| 42 | logParseError("No clusters given!", context);
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| 43 |
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| 44 | //create the Entity with the given mesh, attach to a scene node
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| 45 | std::vector<String> parameters = StringUtil::split(params);
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| 46 | String subentityname = context.entityName + "_SE_" + parameters[0];
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| 47 | PathMapClusters clasters;
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| 48 | clasters.count = parameters.size() - 2;
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| 49 | clasters.clusters = new unsigned int[clasters.count];
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| 50 | for(int i = 2; i < parameters.size(); i++)
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| 51 | clasters.clusters[i-2] = StringConverter::parseUnsignedInt(parameters.at(i));
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| 52 | clasters.pathMapTextureFilename = context.pathMapTextureName + "_" + parameters[0]+ ".hdr";
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| 53 | clasters.pathMapResolution = context.pathMapResolutions[context.meshName];
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| 54 | OgreIlluminationManager::getSingleton().addPathMapClusters(subentityname, clasters);
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| 55 |
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| 56 | return false;
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| 57 | }
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| 58 |
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[1079] | 59 | bool parseTransform(String& params, SceneScriptContext& context)
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| 60 | {
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| 61 | Matrix4 transformMatrix = StringConverter::parseMatrix4(params);
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| 62 | context.sceneNode->setOrientation(transformMatrix.extractQuaternion());
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[2163] | 63 |
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[1079] | 64 | Vector4 x(1,0,0,0);
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| 65 | x = transformMatrix * x;
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| 66 | Vector4 y(0,1,0,0);
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| 67 | y = transformMatrix * y;
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| 68 | Vector4 z(0,0,1,0);
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| 69 | z = transformMatrix * z;
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| 70 | context.sceneNode->scale((Vector3(x.x,x.y,x.z)).length(),
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| 71 | (Vector3(y.x,y.y,y.z)).length(),
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| 72 | (Vector3(z.x,z.y,z.z)).length());
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| 73 | context.sceneNode->translate(transformMatrix.getTrans());
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[2163] | 74 |
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[1079] | 75 | return false;
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| 76 | }
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| 77 |
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| 78 | bool parseMesh(String& params, SceneScriptContext& context)
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| 79 | {
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| 80 | if(params == "")
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| 81 | logParseError("No mesh name given!", context);
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| 82 |
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| 83 | StringUtil::trim(params);
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| 84 | context.meshName = params;
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| 85 | context.section = SSS_MESH;
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| 86 | return true;
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| 87 | }
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| 88 |
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| 89 | bool parseEntity(String& params, SceneScriptContext& context)
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| 90 | {
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| 91 | if(params == "")
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| 92 | logParseError("No entity name given!", context);
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| 93 |
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| 94 | StringUtil::trim(params);
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| 95 | context.entityName = params;
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| 96 | context.section = SSS_ENTITY;
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| 97 | return true;
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| 98 | }
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| 99 |
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[2186] | 100 | bool parsePMRes(String& params, SceneScriptContext& context)
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| 101 | {
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| 102 | context.pathMapResolutions[context.meshName] = StringConverter::parseUnsignedInt(params);
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| 103 | return false;
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| 104 | }
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| 105 |
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| 106 | bool parsePRMMapName(String& params, SceneScriptContext& context)
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| 107 | {
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| 108 | context.pathMapTextureName = params;
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| 109 | return false;
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| 110 | }
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| 111 |
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[1079] | 112 | SceneSerializer::SceneSerializer(SceneManager* sm)
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| 113 | {
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| 114 | mScriptContext.sceneManager = sm;
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| 115 | mScriptContext.section = SSS_NONE;
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| 116 |
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| 117 | mRootAttribParsers.insert(AttribParserList::value_type("mesh", (SCENE_ATTRIBUTE_PARSER)parseMesh));
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| 118 | mRootAttribParsers.insert(AttribParserList::value_type("entity", (SCENE_ATTRIBUTE_PARSER)parseEntity));
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| 119 |
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| 120 | mMeshAttribParsers.insert(AttribParserList::value_type("ogrefile", (SCENE_ATTRIBUTE_PARSER)parseMeshFileName));
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[2186] | 121 | mMeshAttribParsers.insert(AttribParserList::value_type("pathmapresolution", (SCENE_ATTRIBUTE_PARSER)parsePMRes));
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[1079] | 122 |
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| 123 | mEntityAttribParsers.insert(AttribParserList::value_type("mesh", (SCENE_ATTRIBUTE_PARSER)parseMeshName));
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| 124 | mEntityAttribParsers.insert(AttribParserList::value_type("transformation", (SCENE_ATTRIBUTE_PARSER)parseTransform));
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[2186] | 125 | mEntityAttribParsers.insert(AttribParserList::value_type("subentity", (SCENE_ATTRIBUTE_PARSER)parseClusters));
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| 126 | mEntityAttribParsers.insert(AttribParserList::value_type("pathmapfile", (SCENE_ATTRIBUTE_PARSER)parsePRMMapName));
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[1079] | 127 |
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| 128 | }
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| 129 |
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[2186] | 130 | void SceneSerializer::parseEntryPoints(String filename)
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| 131 | {
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| 132 | DataStreamPtr stream;
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| 133 | stream = ResourceGroupManager::getSingleton().openResource(filename);
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| 134 |
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| 135 | char buffer[500];
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| 136 |
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| 137 | stream->readLine(buffer, 500);
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| 138 | String line = buffer;
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| 139 |
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| 140 | std::vector<String> tokens = StringUtil::split(line);
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| 141 | unsigned int entryPointCnt = StringConverter::parseUnsignedInt(tokens[1]);
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| 142 | for(int i= 0; i < entryPointCnt; i++)
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| 143 | {
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| 144 | stream->readLine(buffer, 500);
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| 145 | line = buffer;
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| 146 | tokens = StringUtil::split(line);
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| 147 | PathMapEntryPoint ep;
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| 148 | ep.position = Vector3(StringConverter::parseReal(tokens[1]),
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| 149 | StringConverter::parseReal(tokens[2]),
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| 150 | StringConverter::parseReal(tokens[3]));
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| 151 |
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| 152 | stream->readLine(buffer, 500);
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| 153 | line = buffer;
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| 154 | tokens = StringUtil::split(line);
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| 155 | ep.normal = Vector3(StringConverter::parseReal(tokens[1]),
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| 156 | StringConverter::parseReal(tokens[2]),
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| 157 | StringConverter::parseReal(tokens[3]));
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| 158 |
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| 159 | OgreIlluminationManager::getSingleton().addPathMapEntryPoint(ep);
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| 160 | stream->readLine(buffer, 500);
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| 161 | }
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| 162 | stream->readLine(buffer, 500);
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| 163 | line = buffer;
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| 164 | tokens = StringUtil::split(line);
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| 165 | unsigned int clusterCnt = StringConverter::parseUnsignedInt(tokens[1]);
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| 166 | for(int i= 0; i < clusterCnt; i++)
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| 167 | {
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| 168 | stream->readLine(buffer, 500);
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| 169 | unsigned int clusterlength = StringConverter::parseUnsignedInt(buffer);
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| 170 | OgreIlluminationManager::getSingleton().addPathMapClusterLength(clusterlength);
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| 171 | }
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| 172 | }
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| 173 |
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[1079] | 174 | void SceneSerializer::parseScript(DataStreamPtr& stream, const String& groupName)
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| 175 | {
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| 176 | //String line;
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| 177 | bool nextIsOpenBrace = false;
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| 178 |
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| 179 | mScriptContext.section = SSS_NONE;
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| 180 | mScriptContext.lineNo = 0;
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| 181 | mScriptContext.filename = stream->getName();
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| 182 |
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| 183 | char buffer[500];
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| 184 | //String summ = stream->getAsString();
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| 185 |
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| 186 | while(!stream->eof())
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| 187 | {
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| 188 |
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| 189 | stream->readLine(buffer, 500);
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| 190 |
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| 191 | String line = buffer;
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| 192 | StringUtil::trim(line,true, true);
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| 193 |
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| 194 | mScriptContext.lineNo++;
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| 195 |
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| 196 | // DEBUG LINE
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| 197 | // LogManager::getSingleton().logMessage("About to attempt line(#" +
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| 198 | // StringConverter::toString(mScriptContext.lineNo) + "): " + line);
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| 199 |
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| 200 | // Ignore comments & blanks
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| 201 | if (!(line.length() == 0 || line.substr(0,2) == "//"))
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| 202 | {
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| 203 | if (nextIsOpenBrace)
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| 204 | {
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| 205 | // NB, parser will have changed context already
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| 206 | if (line != "{")
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| 207 | {
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| 208 | logParseError("Expecting '{' but got " +
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| 209 | line + " instead.", mScriptContext);
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| 210 | }
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| 211 | nextIsOpenBrace = false;
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| 212 | }
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| 213 | else
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| 214 | {
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| 215 | nextIsOpenBrace = parseScriptLine(line);
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| 216 | }
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| 217 |
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| 218 | }
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| 219 | }
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| 220 |
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| 221 | // Check all braces were closed
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| 222 | if (mScriptContext.section != SSS_NONE)
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| 223 | {
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| 224 | logParseError("Unexpected end of file.", mScriptContext);
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| 225 | }
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| 226 |
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| 227 | }
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| 228 |
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| 229 | bool SceneSerializer::parseScriptLine(String& line)
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| 230 | {
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| 231 | switch(mScriptContext.section)
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| 232 | {
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| 233 | case SSS_NONE:
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| 234 | if (line == "}")
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| 235 | {
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| 236 | logParseError("Unexpected terminating brace.", mScriptContext);
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| 237 | return false;
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| 238 | }
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| 239 | else
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| 240 | {
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| 241 | // find & invoke a parser
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| 242 | return invokeParser(line, mRootAttribParsers);
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| 243 | }
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| 244 | break;
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| 245 | case SSS_MESH:
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| 246 | if (line == "}")
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| 247 | {
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| 248 | mScriptContext.section = SSS_NONE;
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| 249 | mScriptContext.meshName = "";
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| 250 | return false;
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| 251 | }
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| 252 | else
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| 253 | {
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| 254 | // find & invoke a parser
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| 255 | return invokeParser(line, mMeshAttribParsers);
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| 256 | }
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| 257 | break;
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| 258 | case SSS_ENTITY:
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| 259 | if (line == "}")
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| 260 | {
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| 261 | // End of technique
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| 262 | mScriptContext.section = SSS_NONE;
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| 263 | mScriptContext.entity = 0;
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| 264 | mScriptContext.entityName = "";
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| 265 | mScriptContext.sceneNode = 0;
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| 266 | return false;
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| 267 | }
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| 268 | else
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| 269 | {
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| 270 | // find & invoke a parser
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| 271 | return invokeParser(line, mEntityAttribParsers);
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| 272 | }
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| 273 | break;
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| 274 | }
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| 275 | }
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| 276 |
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| 277 | bool SceneSerializer::invokeParser(String& line, AttribParserList& parsers)
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| 278 | {
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| 279 | // First, split line on first divisor only
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| 280 | StringVector splitCmd(StringUtil::split(line, " \t", 1));
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| 281 |
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| 282 | // Find attribute parser
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| 283 | AttribParserList::iterator iparser = parsers.find(splitCmd[0]);
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| 284 | if (iparser == parsers.end())
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| 285 | {
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| 286 | // BAD command. BAD!
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| 287 | logParseError("Unrecognised command: " + splitCmd[0], mScriptContext);
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| 288 | return false;
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| 289 | }
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| 290 | else
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| 291 | {
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| 292 | String cmd;
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| 293 | if(splitCmd.size() >= 2)
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| 294 | cmd = splitCmd[1];
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| 295 | // Use parser, make sure we have 2 params before using splitCmd[1]
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| 296 | return iparser->second( cmd, mScriptContext );
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| 297 | }
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| 298 | } |
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