1 | #include "SceneSerializer.h"
|
---|
2 | #include "OgreIlluminationManager.h"
|
---|
3 |
|
---|
4 | void logParseError(const String& error, const SceneScriptContext& context)
|
---|
5 | {
|
---|
6 | LogManager::getSingleton().logMessage(
|
---|
7 | "Error at line " + StringConverter::toString(context.lineNo) +
|
---|
8 | " of " + context.filename + ": " + error);
|
---|
9 | }
|
---|
10 |
|
---|
11 | bool parseMeshFileName(String& params, SceneScriptContext& context)
|
---|
12 | {
|
---|
13 | if(params == "")
|
---|
14 | logParseError("Error reading mesh filename!", context);
|
---|
15 |
|
---|
16 | StringUtil::trim(params);
|
---|
17 | context.meshFiles[context.meshName] = params;
|
---|
18 |
|
---|
19 | return false;
|
---|
20 | }
|
---|
21 |
|
---|
22 | bool parseMeshName(String& params, SceneScriptContext& context)
|
---|
23 | {
|
---|
24 | if(params == "")
|
---|
25 | logParseError("No mesh name given!", context);
|
---|
26 |
|
---|
27 | //create the Entity with the given mesh, attach to a scene node
|
---|
28 | StringUtil::trim(params);
|
---|
29 | String meshfilename = context.meshFiles[params];
|
---|
30 | context.meshName = params;
|
---|
31 | context.entity = context.sceneManager->createEntity(context.entityName, meshfilename);
|
---|
32 | SceneNode* root = context.sceneManager->getRootSceneNode();
|
---|
33 | context.sceneNode = root->createChildSceneNode(context.entityName);
|
---|
34 | context.sceneNode->attachObject(context.entity);
|
---|
35 |
|
---|
36 | return false;
|
---|
37 | }
|
---|
38 |
|
---|
39 | bool parseClusters(String& params, SceneScriptContext& context)
|
---|
40 | {
|
---|
41 | if(params == "")
|
---|
42 | logParseError("No clusters given!", context);
|
---|
43 |
|
---|
44 | //create the Entity with the given mesh, attach to a scene node
|
---|
45 | std::vector<String> parameters = StringUtil::split(params);
|
---|
46 | String subentityname = context.entityName + "_SE_" + parameters[0];
|
---|
47 | PathMapClusters clasters;
|
---|
48 | clasters.count = parameters.size() - 2;
|
---|
49 | clasters.clusters = new unsigned int[clasters.count];
|
---|
50 | for(int i = 2; i < parameters.size(); i++)
|
---|
51 | clasters.clusters[i-2] = StringConverter::parseUnsignedInt(parameters.at(i));
|
---|
52 | clasters.pathMapTextureFilename = context.pathMapTextureName + "_" + parameters[0]+ ".dds";
|
---|
53 | clasters.pathMapResolution = context.pathMapResolutions[context.meshName];
|
---|
54 | OgreIlluminationManager::getSingleton().addPathMapClusters(subentityname, clasters);
|
---|
55 |
|
---|
56 | return false;
|
---|
57 | }
|
---|
58 |
|
---|
59 | bool parseTransform(String& params, SceneScriptContext& context)
|
---|
60 | {
|
---|
61 | Matrix4 transformMatrix = StringConverter::parseMatrix4(params);
|
---|
62 | context.sceneNode->setOrientation(transformMatrix.extractQuaternion());
|
---|
63 |
|
---|
64 | Vector4 x(1,0,0,0);
|
---|
65 | x = transformMatrix * x;
|
---|
66 | Vector4 y(0,1,0,0);
|
---|
67 | y = transformMatrix * y;
|
---|
68 | Vector4 z(0,0,1,0);
|
---|
69 | z = transformMatrix * z;
|
---|
70 | context.sceneNode->scale((Vector3(x.x,x.y,x.z)).length(),
|
---|
71 | (Vector3(y.x,y.y,y.z)).length(),
|
---|
72 | (Vector3(z.x,z.y,z.z)).length());
|
---|
73 | context.sceneNode->translate(transformMatrix.getTrans());
|
---|
74 |
|
---|
75 | return false;
|
---|
76 | }
|
---|
77 |
|
---|
78 | bool parseMesh(String& params, SceneScriptContext& context)
|
---|
79 | {
|
---|
80 | if(params == "")
|
---|
81 | logParseError("No mesh name given!", context);
|
---|
82 |
|
---|
83 | StringUtil::trim(params);
|
---|
84 | context.meshName = params;
|
---|
85 | context.section = SSS_MESH;
|
---|
86 | return true;
|
---|
87 | }
|
---|
88 |
|
---|
89 | bool parseEntity(String& params, SceneScriptContext& context)
|
---|
90 | {
|
---|
91 | if(params == "")
|
---|
92 | logParseError("No entity name given!", context);
|
---|
93 |
|
---|
94 | StringUtil::trim(params);
|
---|
95 | context.entityName = params;
|
---|
96 | context.section = SSS_ENTITY;
|
---|
97 | return true;
|
---|
98 | }
|
---|
99 |
|
---|
100 | bool parsePMRes(String& params, SceneScriptContext& context)
|
---|
101 | {
|
---|
102 | context.pathMapResolutions[context.meshName] = StringConverter::parseUnsignedInt(params);
|
---|
103 | return false;
|
---|
104 | }
|
---|
105 |
|
---|
106 | bool parsePRMMapName(String& params, SceneScriptContext& context)
|
---|
107 | {
|
---|
108 | context.pathMapTextureName = params;
|
---|
109 | return false;
|
---|
110 | }
|
---|
111 |
|
---|
112 | SceneSerializer::SceneSerializer(SceneManager* sm)
|
---|
113 | {
|
---|
114 | mScriptContext.sceneManager = sm;
|
---|
115 | mScriptContext.section = SSS_NONE;
|
---|
116 |
|
---|
117 | mRootAttribParsers.insert(AttribParserList::value_type("mesh", (SCENE_ATTRIBUTE_PARSER)parseMesh));
|
---|
118 | mRootAttribParsers.insert(AttribParserList::value_type("entity", (SCENE_ATTRIBUTE_PARSER)parseEntity));
|
---|
119 |
|
---|
120 | mMeshAttribParsers.insert(AttribParserList::value_type("ogrefile", (SCENE_ATTRIBUTE_PARSER)parseMeshFileName));
|
---|
121 | mMeshAttribParsers.insert(AttribParserList::value_type("pathmapresolution", (SCENE_ATTRIBUTE_PARSER)parsePMRes));
|
---|
122 |
|
---|
123 | mEntityAttribParsers.insert(AttribParserList::value_type("mesh", (SCENE_ATTRIBUTE_PARSER)parseMeshName));
|
---|
124 | mEntityAttribParsers.insert(AttribParserList::value_type("transformation", (SCENE_ATTRIBUTE_PARSER)parseTransform));
|
---|
125 | mEntityAttribParsers.insert(AttribParserList::value_type("subentity", (SCENE_ATTRIBUTE_PARSER)parseClusters));
|
---|
126 | mEntityAttribParsers.insert(AttribParserList::value_type("pathmapfile", (SCENE_ATTRIBUTE_PARSER)parsePRMMapName));
|
---|
127 |
|
---|
128 | }
|
---|
129 |
|
---|
130 | void SceneSerializer::parseEntryPoints(String filename)
|
---|
131 | {
|
---|
132 | DataStreamPtr stream;
|
---|
133 | stream = ResourceGroupManager::getSingleton().openResource(filename);
|
---|
134 |
|
---|
135 | char buffer[500];
|
---|
136 |
|
---|
137 | stream->readLine(buffer, 500);
|
---|
138 | String line = buffer;
|
---|
139 |
|
---|
140 | std::vector<String> tokens = StringUtil::split(line);
|
---|
141 | unsigned int entryPointCnt = StringConverter::parseUnsignedInt(tokens[1]);
|
---|
142 | for(int i= 0; i < entryPointCnt; i++)
|
---|
143 | {
|
---|
144 | stream->readLine(buffer, 500);
|
---|
145 | line = buffer;
|
---|
146 | tokens = StringUtil::split(line);
|
---|
147 | PathMapEntryPoint ep;
|
---|
148 | ep.position = Vector3(StringConverter::parseReal(tokens[1]),
|
---|
149 | StringConverter::parseReal(tokens[2]),
|
---|
150 | StringConverter::parseReal(tokens[3]));
|
---|
151 |
|
---|
152 | stream->readLine(buffer, 500);
|
---|
153 | line = buffer;
|
---|
154 | tokens = StringUtil::split(line);
|
---|
155 | ep.normal = Vector3(StringConverter::parseReal(tokens[1]),
|
---|
156 | StringConverter::parseReal(tokens[2]),
|
---|
157 | StringConverter::parseReal(tokens[3]));
|
---|
158 |
|
---|
159 | stream->readLine(buffer, 500);
|
---|
160 | line = buffer;
|
---|
161 | tokens = StringUtil::split(line);
|
---|
162 | ep.prob = StringConverter::parseReal(tokens[1]);
|
---|
163 |
|
---|
164 | OgreIlluminationManager::getSingleton().addPathMapEntryPoint(ep);
|
---|
165 |
|
---|
166 | stream->readLine(buffer, 500);
|
---|
167 | }
|
---|
168 | stream->readLine(buffer, 500);
|
---|
169 | line = buffer;
|
---|
170 | tokens = StringUtil::split(line);
|
---|
171 | unsigned int clusterCnt = StringConverter::parseUnsignedInt(tokens[1]);
|
---|
172 | for(int i= 0; i < clusterCnt; i++)
|
---|
173 | {
|
---|
174 | stream->readLine(buffer, 500);
|
---|
175 | unsigned int clusterlength = StringConverter::parseUnsignedInt(buffer);
|
---|
176 | OgreIlluminationManager::getSingleton().addPathMapClusterLength(clusterlength);
|
---|
177 | }
|
---|
178 | }
|
---|
179 |
|
---|
180 | void SceneSerializer::parseScript(DataStreamPtr& stream, const String& groupName)
|
---|
181 | {
|
---|
182 | //String line;
|
---|
183 | bool nextIsOpenBrace = false;
|
---|
184 |
|
---|
185 | mScriptContext.section = SSS_NONE;
|
---|
186 | mScriptContext.lineNo = 0;
|
---|
187 | mScriptContext.filename = stream->getName();
|
---|
188 |
|
---|
189 | char buffer[500];
|
---|
190 | //String summ = stream->getAsString();
|
---|
191 |
|
---|
192 | while(!stream->eof())
|
---|
193 | {
|
---|
194 |
|
---|
195 | stream->readLine(buffer, 500);
|
---|
196 |
|
---|
197 | String line = buffer;
|
---|
198 | StringUtil::trim(line,true, true);
|
---|
199 |
|
---|
200 | mScriptContext.lineNo++;
|
---|
201 |
|
---|
202 | // DEBUG LINE
|
---|
203 | // LogManager::getSingleton().logMessage("About to attempt line(#" +
|
---|
204 | // StringConverter::toString(mScriptContext.lineNo) + "): " + line);
|
---|
205 |
|
---|
206 | // Ignore comments & blanks
|
---|
207 | if (!(line.length() == 0 || line.substr(0,2) == "//"))
|
---|
208 | {
|
---|
209 | if (nextIsOpenBrace)
|
---|
210 | {
|
---|
211 | // NB, parser will have changed context already
|
---|
212 | if (line != "{")
|
---|
213 | {
|
---|
214 | logParseError("Expecting '{' but got " +
|
---|
215 | line + " instead.", mScriptContext);
|
---|
216 | }
|
---|
217 | nextIsOpenBrace = false;
|
---|
218 | }
|
---|
219 | else
|
---|
220 | {
|
---|
221 | nextIsOpenBrace = parseScriptLine(line);
|
---|
222 | }
|
---|
223 |
|
---|
224 | }
|
---|
225 | }
|
---|
226 |
|
---|
227 | // Check all braces were closed
|
---|
228 | if (mScriptContext.section != SSS_NONE)
|
---|
229 | {
|
---|
230 | logParseError("Unexpected end of file.", mScriptContext);
|
---|
231 | }
|
---|
232 |
|
---|
233 | }
|
---|
234 |
|
---|
235 | bool SceneSerializer::parseScriptLine(String& line)
|
---|
236 | {
|
---|
237 | switch(mScriptContext.section)
|
---|
238 | {
|
---|
239 | case SSS_NONE:
|
---|
240 | if (line == "}")
|
---|
241 | {
|
---|
242 | logParseError("Unexpected terminating brace.", mScriptContext);
|
---|
243 | return false;
|
---|
244 | }
|
---|
245 | else
|
---|
246 | {
|
---|
247 | // find & invoke a parser
|
---|
248 | return invokeParser(line, mRootAttribParsers);
|
---|
249 | }
|
---|
250 | break;
|
---|
251 | case SSS_MESH:
|
---|
252 | if (line == "}")
|
---|
253 | {
|
---|
254 | mScriptContext.section = SSS_NONE;
|
---|
255 | mScriptContext.meshName = "";
|
---|
256 | return false;
|
---|
257 | }
|
---|
258 | else
|
---|
259 | {
|
---|
260 | // find & invoke a parser
|
---|
261 | return invokeParser(line, mMeshAttribParsers);
|
---|
262 | }
|
---|
263 | break;
|
---|
264 | case SSS_ENTITY:
|
---|
265 | if (line == "}")
|
---|
266 | {
|
---|
267 | // End of technique
|
---|
268 | mScriptContext.section = SSS_NONE;
|
---|
269 | mScriptContext.entity = 0;
|
---|
270 | mScriptContext.entityName = "";
|
---|
271 | mScriptContext.sceneNode = 0;
|
---|
272 | return false;
|
---|
273 | }
|
---|
274 | else
|
---|
275 | {
|
---|
276 | // find & invoke a parser
|
---|
277 | return invokeParser(line, mEntityAttribParsers);
|
---|
278 | }
|
---|
279 | break;
|
---|
280 | }
|
---|
281 | }
|
---|
282 |
|
---|
283 | bool SceneSerializer::invokeParser(String& line, AttribParserList& parsers)
|
---|
284 | {
|
---|
285 | // First, split line on first divisor only
|
---|
286 | StringVector splitCmd(StringUtil::split(line, " \t", 1));
|
---|
287 |
|
---|
288 | // Find attribute parser
|
---|
289 | AttribParserList::iterator iparser = parsers.find(splitCmd[0]);
|
---|
290 | if (iparser == parsers.end())
|
---|
291 | {
|
---|
292 | // BAD command. BAD!
|
---|
293 | logParseError("Unrecognised command: " + splitCmd[0], mScriptContext);
|
---|
294 | return false;
|
---|
295 | }
|
---|
296 | else
|
---|
297 | {
|
---|
298 | String cmd;
|
---|
299 | if(splitCmd.size() >= 2)
|
---|
300 | cmd = splitCmd[1];
|
---|
301 | // Use parser, make sure we have 2 params before using splitCmd[1]
|
---|
302 | return iparser->second( cmd, mScriptContext );
|
---|
303 | }
|
---|
304 | } |
---|