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ogreExporter.cpp @ 692

Revision 692, 13.1 KB checked in by mattausch, 19 years ago (diff)
adding ogre 1.2 and dependencies

Line
1
2	#include "OgreExporter.h"
3
4	namespace OgreMayaExporter
5	{
6	void OgreExporter::exit()
7	{
8	if (m_pMesh)
9	delete m_pMesh;
10	if (m_pMaterialSet)
11	delete m_pMaterialSet;
12	m_params.closeFiles();
13	}
14
15	MStatus OgreExporter::doIt(const MArgList& args)
16	{
17	// Parse the arguments.
18	m_params.parseArgs(args);
19
20	// Create output files
21	m_params.openFiles();
22
23	// Create a new empty mesh
24	m_pMesh = new Mesh();
25
26	// Create a new empty material set
27	m_pMaterialSet = new MaterialSet();
28
29	/************************** LOAD DATA ********************************/
30	if (m_params.exportAll)
31	{ // we are exporting the whole scene
32	std::cout << "Export the whole scene\n";
33	MItDag dagIter;
34	MFnDagNode worldDag (dagIter.root());
35	MDagPath worldPath;
36	worldDag.getPath(worldPath);
37	stat = translateNode(worldPath);
38	}
39	else
40	{ // we are translating a selection
41	std::cout << "Export selected objects\n";
42	// get the selection list
43	MSelectionList activeList;
44	stat = MGlobal::getActiveSelectionList(activeList);
45	if (MS::kSuccess != stat)
46	{
47	std::cout << "Error retrieving selection list\n";
48	exit();
49	return MS::kFailure;
50	}
51	MItSelectionList iter(activeList);
52
53	for ( ; !iter.isDone(); iter.next())
54	{
55	MDagPath dagPath;
56	stat = iter.getDagPath(dagPath);
57	stat = translateNode(dagPath);
58	}
59	}
60
61	// load skeleton animation (do it now, so we have loaded all needed joints)
62	if (m_pMesh->getSkeleton() && m_params.exportAnims)
63	{
64	m_pMesh->getSkeleton()->loadAnims(m_params);
65	}
66
67	/************************** WRITE DATA ********************************/
68	// write mesh data
69	if (m_params.exportMesh)
70	{
71	std::cout << "Writing mesh data to xml file...\n";
72	stat = m_pMesh->writeXML(m_params);
73	if (stat == MS::kSuccess)
74	std::cout << "OK\n";
75	else
76	{
77	std::cout << "Error writing mesh to XML\n";
78	exit();
79	return MS::kFailure;
80	}
81	}
82	// write skeleton data
83	if (m_params.exportSkeleton)
84	{
85	std::cout << "Writing skeleton data to xml file...\n";
86	if (m_pMesh->getSkeleton())
87	{
88	stat = m_pMesh->getSkeleton()->writeXML(m_params);
89	if (stat == MS::kSuccess)
90	std::cout << "OK\n";
91	else
92	{
93	std::cout << "Error writing skeleton to XML\n";
94	exit();
95	return MS::kFailure;
96	}
97	}
98	else
99	{
100	std::cout << "Mesh has no linked skeleton, creating an empty skeleton file\n";
101	}
102	}
103	// write materials data
104	if (m_params.exportMaterial)
105	{
106	std::cout << "Writing materials data...\n";
107	stat = m_pMaterialSet->writeXML(m_params);
108	if (stat == MS::kSuccess)
109	std::cout << "OK\n";
110	else
111	{
112	std::cout << "Error writing materials file\n";
113	exit();
114	return MS::kFailure;
115	}
116	}
117
118	exit();
119
120	return MS::kSuccess;
121	}
122
123
124
125	// Method for iterating over nodes in a dependency graph from top to bottom, translating only meshes
126	MStatus OgreExporter::translateNode(MDagPath& dagPath)
127	{
128	if (m_params.exportAnimCurves)
129	{
130	MItDependencyGraph animIter( dagPath.node(),
131	MFn::kAnimCurve,
132	MItDependencyGraph::kUpstream,
133	MItDependencyGraph::kDepthFirst,
134	MItDependencyGraph::kNodeLevel,
135	&stat );
136
137	if (stat)
138	{
139	for (; !animIter.isDone(); animIter.next())
140	{
141	MObject anim = animIter.thisNode(&stat);
142	MFnAnimCurve animFn(anim,&stat);
143	std::cout << "Found animation curve: " << animFn.name().asChar() << "\n";
144	std::cout << "Translating animation curve: " << animFn.name().asChar() << "...\n";
145	stat = writeAnim(animFn);
146	if (MS::kSuccess == stat)
147	std::cout << "OK\n";
148	else
149	{
150	std::cout << "Error, Aborting operation\n";
151	return MS::kFailure;
152	}
153	}
154	}
155	}
156	if (dagPath.hasFn(MFn::kMesh)&&(m_params.exportMesh\|\|m_params.exportMaterial\|\|m_params.exportSkeleton)
157	&& (dagPath.childCount() == 0))
158	{ // we have found a mesh shape node, it can't have any children, and it contains
159	// all the mesh geometry data
160	MDagPath meshDag = dagPath;
161	MFnMesh meshFn(meshDag);
162	if (!meshFn.isIntermediateObject())
163	{
164	std::cout << "Found mesh node: " << meshDag.fullPathName().asChar() << "\n";
165	std::cout << "Loading mesh node " << meshDag.fullPathName().asChar() << "...\n";
166	stat = m_pMesh->load(meshDag,m_params);
167	if (MS::kSuccess == stat)
168	std::cout << "OK\n";
169	else
170	{
171	std::cout << "Error, mesh skipped\n";
172	}
173	}
174	}
175	else if (dagPath.hasFn(MFn::kCamera)&&(m_params.exportCameras) && (!dagPath.hasFn(MFn::kShape)))
176	{ // we have found a camera shape node, it can't have any children, and it contains
177	// all information about the camera
178	MFnCamera cameraFn(dagPath);
179	if (!cameraFn.isIntermediateObject())
180	{
181	std::cout << "Found camera node: "<< dagPath.fullPathName().asChar() << "\n";
182	std::cout << "Translating camera node: "<< dagPath.fullPathName().asChar() << "...\n";
183	stat = writeCamera(cameraFn);
184	if (MS::kSuccess == stat)
185	std::cout << "OK\n";
186	else
187	{
188	std::cout << "Error, Aborting operation\n";
189	return MS::kFailure;
190	}
191	}
192	}
193	else if ( ( dagPath.apiType() == MFn::kParticle ) && m_params.exportParticles )
194	{ // we have found a set of particles
195	MFnDagNode fnNode(dagPath);
196	if (!fnNode.isIntermediateObject())
197	{
198	std::cout << "Found particles node: "<< dagPath.fullPathName().asChar() << "\n";
199	std::cout << "Translating particles node: "<< dagPath.fullPathName().asChar() << "...\n";
200	Particles particles;
201	particles.load(dagPath,m_params);
202	stat = particles.writeToXML(m_params);
203	if (MS::kSuccess == stat)
204	std::cout << "OK\n";
205	else
206	{
207	std::cout << "Error, Aborting operation\n";
208	return MS::kFailure;
209	}
210	}
211	}
212	// look for meshes and cameras within the node's children
213	for (unsigned int i=0; i<dagPath.childCount(); i++)
214	{
215	MObject child = dagPath.child(i);
216	MDagPath childPath;
217	stat = MDagPath::getAPathTo(child,childPath);
218	if (MS::kSuccess != stat)
219	{
220	std::cout << "Error retrieving path to child " << i << " of: " << dagPath.fullPathName().asChar();
221	return MS::kFailure;
222	}
223	stat = translateNode(childPath);
224	if (MS::kSuccess != stat)
225	return MS::kFailure;
226	}
227	return MS::kSuccess;
228	}
229
230
231
232	/********************************************************************************************************
233	* Method to translate a single animation curve *
234	********************************************************************************************************/
235	MStatus OgreExporter::writeAnim(MFnAnimCurve& anim)
236	{
237	m_params.outAnim << "anim " << anim.name().asChar() << "\n";
238	m_params.outAnim <<"{\n";
239	m_params.outAnim << "\t//Time / Value\n";
240
241	for (unsigned int i=0; i<anim.numKeys(); i++)
242	m_params.outAnim << "\t" << anim.time(i).as(MTime::kSeconds) << "\t" << anim.value(i) << "\n";
243
244	m_params.outAnim << "}\n\n";
245	return MS::kSuccess;
246	}
247
248
249
250	/********************************************************************************************************
251	* Method to translate a single camera *
252	********************************************************************************************************/
253	MStatus OgreExporter::writeCamera(MFnCamera& camera)
254	{
255	MPlug plug;
256	MPlugArray srcplugarray;
257	double dist;
258	MAngle angle;
259	MFnTransform* cameraTransform = NULL;
260	MFnAnimCurve* animCurve = NULL;
261	// get camera transform
262	for (unsigned int i=0; i<camera.parentCount(); i++)
263	{
264	if (camera.parent(i).hasFn(MFn::kTransform))
265	{
266	cameraTransform = new MFnTransform(camera.parent(i));
267	continue;
268	}
269	}
270	// start camera description
271	m_params.outCameras << "camera " << cameraTransform->partialPathName().asChar() << "\n";
272	m_params.outCameras << "{\n";
273
274	//write camera type
275	m_params.outCameras << "\ttype ";
276	if (camera.isOrtho())
277	m_params.outCameras << "ortho\n";
278	else
279	m_params.outCameras << "persp\n";
280
281	// write translation data
282	m_params.outCameras << "\ttranslation\n";
283	m_params.outCameras << "\t{\n";
284	m_params.outCameras << "\t\tx ";
285	plug = cameraTransform->findPlug("translateX");
286	if (plug.isConnected() && m_params.exportCamerasAnim)
287	{
288	plug.connectedTo(srcplugarray,true,false,&stat);
289	for (i=0; i < srcplugarray.length(); i++)
290	{
291	if (srcplugarray[i].node().hasFn(MFn::kAnimCurve))
292	{
293	if (animCurve)
294	delete animCurve;
295	animCurve = new MFnAnimCurve(srcplugarray[i].node());
296	continue;
297	}
298	else if (i == srcplugarray.length()-1)
299	{
300	std::cout << "Invalid link to translateX attribute\n";
301	return MS::kFailure;
302	}
303	}
304	m_params.outCameras << "anim " << animCurve->name().asChar() << "\n";
305	}
306	else
307	{
308	plug.getValue(dist);
309	m_params.outCameras << "= " << dist << "\n";
310	}
311	m_params.outCameras << "\t\ty ";
312	plug = cameraTransform->findPlug("translateY");
313	if (plug.isConnected() && m_params.exportCamerasAnim)
314	{
315	plug.connectedTo(srcplugarray,true,false,&stat);
316	for (i=0; i< srcplugarray.length(); i++)
317	{
318	if (srcplugarray[i].node().hasFn(MFn::kAnimCurve))
319	{
320	if (animCurve)
321	delete animCurve;
322	animCurve = new MFnAnimCurve(srcplugarray[i].node());
323	continue;
324	}
325	else if (i == srcplugarray.length()-1)
326	{
327	std::cout << "Invalid link to translateY attribute\n";
328	return MS::kFailure;
329	}
330	}
331	m_params.outCameras << "anim " << animCurve->name().asChar() << "\n";
332	}
333	else
334	{
335	plug.getValue(dist);
336	m_params.outCameras << "= " << dist << "\n";
337	}
338	m_params.outCameras << "\t\tz ";
339	plug = cameraTransform->findPlug("translateZ");
340	if (plug.isConnected() && m_params.exportCamerasAnim)
341	{
342	plug.connectedTo(srcplugarray,true,false,&stat);
343	for (i=0; i< srcplugarray.length(); i++)
344	{
345	if (srcplugarray[i].node().hasFn(MFn::kAnimCurve))
346	{
347	if (animCurve)
348	delete animCurve;
349	animCurve = new MFnAnimCurve(srcplugarray[i].node());
350	continue;
351	}
352	else if (i == srcplugarray.length()-1)
353	{
354	std::cout << "Invalid link to translateZ attribute\n";
355	return MS::kFailure;
356	}
357	}
358	m_params.outCameras << "anim " << animCurve->name().asChar() << "\n";
359	}
360	else
361	{
362	plug.getValue(dist);
363	m_params.outCameras << "= " << dist << "\n";
364	}
365	m_params.outCameras << "\t}\n";
366
367	// write rotation data
368	m_params.outCameras << "\trotation\n";
369	m_params.outCameras << "\t{\n";
370	m_params.outCameras << "\t\tx ";
371	plug = cameraTransform->findPlug("rotateX");
372	if (plug.isConnected() && m_params.exportCamerasAnim)
373	{
374	plug.connectedTo(srcplugarray,true,false,&stat);
375	for (i=0; i< srcplugarray.length(); i++)
376	{
377	if (srcplugarray[i].node().hasFn(MFn::kAnimCurve))
378	{
379	if (animCurve)
380	delete animCurve;
381	animCurve = new MFnAnimCurve(srcplugarray[i].node());
382	continue;
383	}
384	else if (i == srcplugarray.length()-1)
385	{
386	std::cout << "Invalid link to rotateX attribute\n";
387	return MS::kFailure;
388	}
389	}
390	m_params.outCameras << "anim " << animCurve->name().asChar() << "\n";
391	}
392	else
393	{
394	plug.getValue(angle);
395	m_params.outCameras << "= " << angle.asDegrees() << "\n";
396	}
397	m_params.outCameras << "\t\ty ";
398	plug = cameraTransform->findPlug("rotateY");
399	if (plug.isConnected() && m_params.exportCamerasAnim)
400	{
401	plug.connectedTo(srcplugarray,true,false,&stat);
402	for (i=0; i< srcplugarray.length(); i++)
403	{
404	if (srcplugarray[i].node().hasFn(MFn::kAnimCurve))
405	{
406	if (animCurve)
407	delete animCurve;
408	animCurve = new MFnAnimCurve(srcplugarray[i].node());
409	continue;
410	}
411	else if (i == srcplugarray.length()-1)
412	{
413	std::cout << "Invalid link to rotateY attribute\n";
414	return MS::kFailure;
415	}
416	}
417	m_params.outCameras << "anim " << animCurve->name().asChar() << "\n";
418	}
419	else
420	{
421	plug.getValue(angle);
422	m_params.outCameras << "= " << angle.asDegrees() << "\n";
423	}
424	m_params.outCameras << "\t\tz ";
425	plug = cameraTransform->findPlug("rotateZ");
426	if (plug.isConnected() && m_params.exportCamerasAnim)
427	{
428	plug.connectedTo(srcplugarray,true,false,&stat);
429	for (i=0; i< srcplugarray.length(); i++)
430	{
431	if (srcplugarray[i].node().hasFn(MFn::kAnimCurve))
432	{
433	if (animCurve)
434	delete animCurve;
435	animCurve = new MFnAnimCurve(srcplugarray[i].node());
436	continue;
437	}
438	else if (i == srcplugarray.length()-1)
439	{
440	std::cout << "Invalid link to rotateZ attribute\n";
441	return MS::kFailure;
442	}
443	}
444	m_params.outCameras << "anim " << animCurve->name().asChar() << "\n";
445	}
446	else
447	{
448	plug.getValue(angle);
449	m_params.outCameras << "= " << angle.asDegrees() << "\n";
450	}
451	m_params.outCameras << "\t}\n";
452
453	// end camera description
454	m_params.outCameras << "}\n\n";
455	if (cameraTransform != NULL)
456	delete cameraTransform;
457	if (animCurve != NULL)
458	delete animCurve;
459	return MS::kSuccess;
460	}
461
462	} // end namespace

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source: OGRE/trunk/ogrenew/Tools/MayaExport/src/ogreExporter.cpp @ 692

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