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OgreXMLMeshSerializer.cpp @ 692

Revision 692, 62.3 KB checked in by mattausch, 18 years ago (diff)
adding ogre 1.2 and dependencies

Line
1	/*
2	-----------------------------------------------------------------------------
3	This source file is part of OGRE
4	(Object-oriented Graphics Rendering Engine)
5	For the latest info, see http://www.ogre3d.org/
6
7	Copyright (c) 2000-2005 The OGRE Team
8	Also see acknowledgements in Readme.html
9
10	This program is free software; you can redistribute it and/or modify it under
11	the terms of the GNU Lesser General Public License as published by the Free Software
12	Foundation; either version 2 of the License, or (at your option) any later
13	version.
14
15	This program is distributed in the hope that it will be useful, but WITHOUT
16	ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
17	FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
18
19	You should have received a copy of the GNU Lesser General Public License along with
20	this program; if not, write to the Free Software Foundation, Inc., 59 Temple
21	Place - Suite 330, Boston, MA 02111-1307, USA, or go to
22	http://www.gnu.org/copyleft/lesser.txt.
23	-----------------------------------------------------------------------------
24	*/
25
26
27	#include "OgreXMLMeshSerializer.h"
28	#include "OgreSubMesh.h"
29	#include "OgreLogManager.h"
30	#include "OgreSkeleton.h"
31	#include "OgreStringConverter.h"
32	#include "OgreHardwareBufferManager.h"
33	#include "OgreException.h"
34	#include "OgreAnimation.h"
35	#include "OgreAnimationTrack.h"
36	#include "OgreKeyFrame.h"
37
38	namespace Ogre {
39
40	//---------------------------------------------------------------------
41	XMLMeshSerializer::XMLMeshSerializer()
42	{
43	}
44	//---------------------------------------------------------------------
45	XMLMeshSerializer::~XMLMeshSerializer()
46	{
47	}
48	//---------------------------------------------------------------------
49	void XMLMeshSerializer::importMesh(const String& filename,
50	VertexElementType colourElementType, Mesh* pMesh)
51	{
52	LogManager::getSingleton().logMessage("XMLMeshSerializer reading mesh data from " + filename + "...");
53	mpMesh = pMesh;
54	mColourElementType = colourElementType;
55	mXMLDoc = new TiXmlDocument(filename);
56	mXMLDoc->LoadFile();
57
58	TiXmlElement* elem;
59
60	TiXmlElement* rootElem = mXMLDoc->RootElement();
61
62	// shared geometry
63	elem = rootElem->FirstChildElement("sharedgeometry");
64	if (elem)
65	{
66	if(StringConverter::parseInt(elem->Attribute("vertexcount")) > 0)
67	{
68	mpMesh->sharedVertexData = new VertexData();
69	readGeometry(elem, mpMesh->sharedVertexData);
70	}
71	}
72
73	// submeshes
74	elem = rootElem->FirstChildElement("submeshes");
75	if (elem)
76	readSubMeshes(elem);
77
78	// skeleton link
79	elem = rootElem->FirstChildElement("skeletonlink");
80	if (elem)
81	readSkeletonLink(elem);
82
83	// bone assignments
84	elem = rootElem->FirstChildElement("boneassignments");
85	if (elem)
86	readBoneAssignments(elem);
87
88	//Lod
89	elem = rootElem->FirstChildElement("levelofdetail");
90	if (elem)
91	readLodInfo(elem);
92
93	// submesh names
94	elem = rootElem->FirstChildElement("submeshnames");
95	if (elem)
96	readSubMeshNames(elem, mpMesh);
97
98	// poses
99	elem = rootElem->FirstChildElement("poses");
100	if (elem)
101	readPoses(elem, mpMesh);
102
103	// animations
104	elem = rootElem->FirstChildElement("animations");
105	if (elem)
106	readAnimations(elem, mpMesh);
107
108	delete mXMLDoc;
109
110	LogManager::getSingleton().logMessage("XMLMeshSerializer import successful.");
111
112	}
113	//---------------------------------------------------------------------
114	void XMLMeshSerializer::exportMesh(const Mesh* pMesh, const String& filename)
115	{
116	LogManager::getSingleton().logMessage("XMLMeshSerializer writing mesh data to " + filename + "...");
117
118	mpMesh = const_cast<Mesh*>(pMesh);
119
120	mXMLDoc = new TiXmlDocument();
121	mXMLDoc->InsertEndChild(TiXmlElement("mesh"));
122	TiXmlElement* rootNode = mXMLDoc->RootElement();
123
124	LogManager::getSingleton().logMessage("Populating DOM...");
125
126
127
128	// Write to DOM
129	writeMesh(pMesh);
130	LogManager::getSingleton().logMessage("DOM populated, writing XML file..");
131
132	// Write out to a file
133	mXMLDoc->SaveFile(filename);
134
135
136	delete mXMLDoc;
137
138	LogManager::getSingleton().logMessage("XMLMeshSerializer export successful.");
139
140	}
141	//---------------------------------------------------------------------
142	void XMLMeshSerializer::writeMesh(const Mesh* pMesh)
143	{
144	TiXmlElement* rootNode = mXMLDoc->RootElement();
145	// Write geometry
146	if (pMesh->sharedVertexData)
147	{
148	TiXmlElement* geomNode =
149	rootNode->InsertEndChild(TiXmlElement("sharedgeometry"))->ToElement();
150	writeGeometry(geomNode, pMesh->sharedVertexData);
151	}
152
153	// Write Submeshes
154	TiXmlElement* subMeshesNode =
155	rootNode->InsertEndChild(TiXmlElement("submeshes"))->ToElement();
156	for (int i = 0; i < pMesh->getNumSubMeshes(); ++i)
157	{
158	LogManager::getSingleton().logMessage("Writing submesh...");
159	writeSubMesh(subMeshesNode, pMesh->getSubMesh(i));
160	LogManager::getSingleton().logMessage("Submesh exported.");
161	}
162
163	// Write skeleton info if required
164	if (pMesh->hasSkeleton())
165	{
166	LogManager::getSingleton().logMessage("Exporting skeleton link...");
167	// Write skeleton link
168	writeSkeletonLink(rootNode, pMesh->getSkeletonName());
169	LogManager::getSingleton().logMessage("Skeleton link exported.");
170
171	// Write bone assignments
172	Mesh::BoneAssignmentIterator bi = const_cast<Mesh*>(pMesh)->getBoneAssignmentIterator();
173	if (bi.hasMoreElements())
174	{
175	LogManager::getSingleton().logMessage("Exporting shared geometry bone assignments...");
176	TiXmlElement* boneAssignNode =
177	rootNode->InsertEndChild(TiXmlElement("boneassignments"))->ToElement();
178
179	while (bi.hasMoreElements())
180	{
181	const VertexBoneAssignment& assign = bi.getNext();
182	writeBoneAssignment(boneAssignNode, &assign);
183	}
184
185	LogManager::getSingleton().logMessage("Shared geometry bone assignments exported.");
186	}
187	}
188	if (pMesh->getNumLodLevels() > 1)
189	{
190	LogManager::getSingleton().logMessage("Exporting LOD information...");
191	writeLodInfo(rootNode, pMesh);
192	LogManager::getSingleton().logMessage("LOD information exported.");
193	}
194	// Write submesh names
195	writeSubMeshNames(rootNode, pMesh);
196	// Write poses
197	writePoses(rootNode, pMesh);
198	// Write animations
199	writeAnimations(rootNode, pMesh);
200
201
202
203
204
205	}
206	//---------------------------------------------------------------------
207	void XMLMeshSerializer::writeSubMesh(TiXmlElement* mSubMeshesNode, const SubMesh* s)
208	{
209	TiXmlElement* subMeshNode =
210	mSubMeshesNode->InsertEndChild(TiXmlElement("submesh"))->ToElement();
211
212	size_t numFaces;
213
214	// Material name
215	subMeshNode->SetAttribute("material", s->getMaterialName());
216	// bool useSharedVertices
217	subMeshNode->SetAttribute("usesharedvertices",
218	StringConverter::toString(s->useSharedVertices) );
219	// bool use32BitIndexes
220	bool use32BitIndexes = (s->indexData->indexBuffer->getType() == HardwareIndexBuffer::IT_32BIT);
221	subMeshNode->SetAttribute("use32bitindexes",
222	StringConverter::toString( use32BitIndexes ));
223
224	// Operation type
225	switch(s->operationType)
226	{
227	case RenderOperation::OT_LINE_LIST:
228	case RenderOperation::OT_LINE_STRIP:
229	case RenderOperation::OT_POINT_LIST:
230	OGRE_EXCEPT(Exception::ERR_INTERNAL_ERROR, "Unsupported operation type, only "
231	"triangle types are allowed.", "XMLMeshSerializer::writeSubMesh");
232	break;
233	case RenderOperation::OT_TRIANGLE_FAN:
234	subMeshNode->SetAttribute("operationtype", "triangle_fan");
235	break;
236	case RenderOperation::OT_TRIANGLE_LIST:
237	subMeshNode->SetAttribute("operationtype", "triangle_list");
238	break;
239	case RenderOperation::OT_TRIANGLE_STRIP:
240	subMeshNode->SetAttribute("operationtype", "triangle_strip");
241	break;
242	}
243
244	// Faces
245	TiXmlElement* facesNode =
246	subMeshNode->InsertEndChild(TiXmlElement("faces"))->ToElement();
247	if (s->operationType == RenderOperation::OT_TRIANGLE_LIST)
248	{
249	// tri list
250	numFaces = s->indexData->indexCount / 3;
251	}
252	else
253	{
254	// triangle fan or triangle strip
255	numFaces = s->indexData->indexCount - 2;
256	}
257	facesNode->SetAttribute("count",
258	StringConverter::toString(numFaces));
259	// Write each face in turn
260	ushort i;
261	unsigned int* pInt;
262	unsigned short* pShort;
263	HardwareIndexBufferSharedPtr ibuf = s->indexData->indexBuffer;
264	if (use32BitIndexes)
265	{
266	pInt = static_cast<unsigned int*>(
267	ibuf->lock(HardwareBuffer::HBL_READ_ONLY));
268	}
269	else
270	{
271	pShort = static_cast<unsigned short*>(
272	ibuf->lock(HardwareBuffer::HBL_READ_ONLY));
273	}
274	for (i = 0; i < numFaces; ++i)
275	{
276	TiXmlElement* faceNode =
277	facesNode->InsertEndChild(TiXmlElement("face"))->ToElement();
278	if (use32BitIndexes)
279	{
280	faceNode->SetAttribute("v1", StringConverter::toString(*pInt++));
281	/// Only need all 3 vertex indices if trilist or first face
282	if (s->operationType == RenderOperation::OT_TRIANGLE_LIST \|\| i == 0)
283	{
284	faceNode->SetAttribute("v2", StringConverter::toString(*pInt++));
285	faceNode->SetAttribute("v3", StringConverter::toString(*pInt++));
286	}
287	}
288	else
289	{
290	faceNode->SetAttribute("v1", StringConverter::toString(*pShort++));
291	/// Only need all 3 vertex indices if trilist or first face
292	if (s->operationType == RenderOperation::OT_TRIANGLE_LIST \|\| i == 0)
293	{
294	faceNode->SetAttribute("v2", StringConverter::toString(*pShort++));
295	faceNode->SetAttribute("v3", StringConverter::toString(*pShort++));
296	}
297	}
298	}
299
300	// M_GEOMETRY chunk (Optional: present only if useSharedVertices = false)
301	if (!s->useSharedVertices)
302	{
303	TiXmlElement* geomNode =
304	subMeshNode->InsertEndChild(TiXmlElement("geometry"))->ToElement();
305	writeGeometry(geomNode, s->vertexData);
306	}
307
308	// texture aliases
309	writeTextureAliases(subMeshNode, s);
310
311	// Bone assignments
312	if (mpMesh->hasSkeleton())
313	{
314	SubMesh::BoneAssignmentIterator bi = const_cast<SubMesh*>(s)->getBoneAssignmentIterator();
315	LogManager::getSingleton().logMessage("Exporting dedicated geometry bone assignments...");
316
317	TiXmlElement* boneAssignNode =
318	subMeshNode->InsertEndChild(TiXmlElement("boneassignments"))->ToElement();
319	while (bi.hasMoreElements())
320	{
321	const VertexBoneAssignment& assign = bi.getNext();
322	writeBoneAssignment(boneAssignNode, &assign);
323	}
324	}
325	LogManager::getSingleton().logMessage("Dedicated geometry bone assignments exported.");
326
327	}
328	//---------------------------------------------------------------------
329	void XMLMeshSerializer::writeGeometry(TiXmlElement* mParentNode, const VertexData* vertexData)
330	{
331	// Write a vertex buffer per element
332
333	TiXmlElement vbNode, vertexNode, *dataNode;
334
335	// Set num verts on parent
336	mParentNode->SetAttribute("vertexcount", StringConverter::toString(vertexData->vertexCount));
337
338	VertexDeclaration* decl = vertexData->vertexDeclaration;
339	VertexBufferBinding* bind = vertexData->vertexBufferBinding;
340
341	VertexBufferBinding::VertexBufferBindingMap::const_iterator b, bend;
342	bend = bind->getBindings().end();
343	// Iterate over buffers
344	for(b = bind->getBindings().begin(); b != bend; ++b)
345	{
346	vbNode = mParentNode->InsertEndChild(TiXmlElement("vertexbuffer"))->ToElement();
347	const HardwareVertexBufferSharedPtr vbuf = b->second;
348	unsigned short bufferIdx = b->first;
349	// Get all the elements that relate to this buffer
350	VertexDeclaration::VertexElementList elems = decl->findElementsBySource(bufferIdx);
351	VertexDeclaration::VertexElementList::iterator i, iend;
352	iend = elems.end();
353
354	// Set up the data access for this buffer (lock read-only)
355	unsigned char* pVert;
356	float* pFloat;
357	ARGB* pColour;
358
359	pVert = static_cast<unsigned char*>(
360	vbuf->lock(HardwareBuffer::HBL_READ_ONLY));
361
362	// Skim over the elements to set up the general data
363	unsigned short numTextureCoords = 0;
364	for (i = elems.begin(); i != iend; ++i)
365	{
366	VertexElement& elem = *i;
367	switch(elem.getSemantic())
368	{
369	case VES_POSITION:
370	vbNode->SetAttribute("positions","true");
371	break;
372	case VES_NORMAL:
373	vbNode->SetAttribute("normals","true");
374	break;
375	case VES_DIFFUSE:
376	vbNode->SetAttribute("colours_diffuse","true");
377	break;
378	case VES_SPECULAR:
379	vbNode->SetAttribute("colours_specular","true");
380	break;
381	case VES_TEXTURE_COORDINATES:
382	vbNode->SetAttribute(
383	"texture_coord_dimensions_" + StringConverter::toString(numTextureCoords),
384	StringConverter::toString(VertexElement::getTypeCount(elem.getType())));
385	++numTextureCoords;
386	break;
387	default:
388	break;
389	}
390	}
391	if (numTextureCoords > 0)
392	{
393	vbNode->SetAttribute("texture_coords",
394	StringConverter::toString(numTextureCoords));
395	}
396
397	// For each vertex
398	for (size_t v = 0; v < vertexData->vertexCount; ++v)
399	{
400	vertexNode =
401	vbNode->InsertEndChild(TiXmlElement("vertex"))->ToElement();
402	// Iterate over the elements
403	for (i = elems.begin(); i != iend; ++i)
404	{
405	VertexElement& elem = *i;
406	switch(elem.getSemantic())
407	{
408	case VES_POSITION:
409	elem.baseVertexPointerToElement(pVert, &pFloat);
410	dataNode =
411	vertexNode->InsertEndChild(TiXmlElement("position"))->ToElement();
412	dataNode->SetAttribute("x", StringConverter::toString(pFloat[0]));
413	dataNode->SetAttribute("y", StringConverter::toString(pFloat[1]));
414	dataNode->SetAttribute("z", StringConverter::toString(pFloat[2]));
415	break;
416	case VES_NORMAL:
417	elem.baseVertexPointerToElement(pVert, &pFloat);
418	dataNode =
419	vertexNode->InsertEndChild(TiXmlElement("normal"))->ToElement();
420	dataNode->SetAttribute("x", StringConverter::toString(pFloat[0]));
421	dataNode->SetAttribute("y", StringConverter::toString(pFloat[1]));
422	dataNode->SetAttribute("z", StringConverter::toString(pFloat[2]));
423	break;
424	case VES_DIFFUSE:
425	elem.baseVertexPointerToElement(pVert, &pColour);
426	dataNode =
427	vertexNode->InsertEndChild(TiXmlElement("colour_diffuse"))->ToElement();
428	{
429	ARGB rc = *pColour++;
430	ColourValue cv;
431	cv.b = (rc & 0xFF) / 255.0f; rc >>= 8;
432	cv.g = (rc & 0xFF) / 255.0f; rc >>= 8;
433	cv.r = (rc & 0xFF) / 255.0f; rc >>= 8;
434	cv.a = (rc & 0xFF) / 255.0f;
435	dataNode->SetAttribute("value", StringConverter::toString(cv));
436	}
437	break;
438	case VES_SPECULAR:
439	elem.baseVertexPointerToElement(pVert, &pColour);
440	dataNode =
441	vertexNode->InsertEndChild(TiXmlElement("colour_specular"))->ToElement();
442	{
443	ARGB rc = *pColour++;
444	ColourValue cv;
445	cv.b = (rc & 0xFF) / 255.0f; rc >>= 8;
446	cv.g = (rc & 0xFF) / 255.0f; rc >>= 8;
447	cv.r = (rc & 0xFF) / 255.0f; rc >>= 8;
448	cv.a = (rc & 0xFF) / 255.0f;
449	dataNode->SetAttribute("value", StringConverter::toString(cv));
450	}
451	break;
452	case VES_TEXTURE_COORDINATES:
453	elem.baseVertexPointerToElement(pVert, &pFloat);
454	dataNode =
455	vertexNode->InsertEndChild(TiXmlElement("texcoord"))->ToElement();
456
457	switch(elem.getType())
458	{
459	case VET_FLOAT1:
460	dataNode->SetAttribute("u", StringConverter::toString(*pFloat++));
461	break;
462	case VET_FLOAT2:
463	dataNode->SetAttribute("u", StringConverter::toString(*pFloat++));
464	dataNode->SetAttribute("v", StringConverter::toString(*pFloat++));
465	break;
466	case VET_FLOAT3:
467	dataNode->SetAttribute("u", StringConverter::toString(*pFloat++));
468	dataNode->SetAttribute("v", StringConverter::toString(*pFloat++));
469	dataNode->SetAttribute("w", StringConverter::toString(*pFloat++));
470	break;
471	default:
472	break;
473	}
474	break;
475	default:
476	break;
477
478	}
479	}
480	pVert += vbuf->getVertexSize();
481	}
482	vbuf->unlock();
483	}
484
485	}
486	//---------------------------------------------------------------------
487	void XMLMeshSerializer::writeSkeletonLink(TiXmlElement* mMeshNode, const String& skelName)
488	{
489
490	TiXmlElement* skelNode =
491	mMeshNode->InsertEndChild(TiXmlElement("skeletonlink"))->ToElement();
492	skelNode->SetAttribute("name", skelName);
493	}
494	//---------------------------------------------------------------------
495	void XMLMeshSerializer::writeBoneAssignment(TiXmlElement* mBoneAssignNode, const VertexBoneAssignment* assign)
496	{
497	TiXmlElement* assignNode =
498	mBoneAssignNode->InsertEndChild(
499	TiXmlElement("vertexboneassignment"))->ToElement();
500
501	assignNode->SetAttribute("vertexindex",
502	StringConverter::toString(assign->vertexIndex));
503	assignNode->SetAttribute("boneindex",
504	StringConverter::toString(assign->boneIndex));
505	assignNode->SetAttribute("weight",
506	StringConverter::toString(assign->weight));
507
508
509	}
510	//---------------------------------------------------------------------
511	void XMLMeshSerializer::writeTextureAliases(TiXmlElement* mSubmeshesNode, const SubMesh* subMesh)
512	{
513	if (!subMesh->hasTextureAliases())
514	return; // do nothing
515
516	TiXmlElement* textureAliasesNode =
517	mSubmeshesNode->InsertEndChild(TiXmlElement("textures"))->ToElement();
518
519	// use ogre map iterator
520	SubMesh::AliasTextureIterator aliasIterator = subMesh->getAliasTextureIterator();
521
522	while (aliasIterator.hasMoreElements())
523	{
524	TiXmlElement* aliasTextureNode =
525	textureAliasesNode->InsertEndChild(TiXmlElement("texture"))->ToElement();
526	// iterator key is alias and value is texture name
527	aliasTextureNode->SetAttribute("alias", aliasIterator.peekNextKey());
528	aliasTextureNode->SetAttribute("name", aliasIterator.peekNextValue());
529	aliasIterator.moveNext();
530	}
531
532	}
533	//---------------------------------------------------------------------
534	void XMLMeshSerializer::readSubMeshes(TiXmlElement* mSubmeshesNode)
535	{
536	LogManager::getSingleton().logMessage("Reading submeshes...");
537
538	for (TiXmlElement* smElem = mSubmeshesNode->FirstChildElement();
539	smElem != 0; smElem = smElem->NextSiblingElement())
540	{
541	// All children should be submeshes
542	SubMesh* sm = mpMesh->createSubMesh();
543
544	const char* mat = smElem->Attribute("material");
545	if (mat)
546	sm->setMaterialName(mat);
547
548	// Read operation type
549	const char* optype = smElem->Attribute("operationtype");
550	if (optype)
551	{
552	if (!strcmp(optype, "triangle_list"))
553	{
554	sm->operationType = RenderOperation::OT_TRIANGLE_LIST;
555	}
556	else if (!strcmp(optype, "triangle_fan"))
557	{
558	sm->operationType = RenderOperation::OT_TRIANGLE_FAN;
559	}
560	else if (!strcmp(optype, "triangle_strip"))
561	{
562	sm->operationType = RenderOperation::OT_TRIANGLE_STRIP;
563	}
564
565	}
566
567	const char* tmp = smElem->Attribute("usesharedvertices");
568	if (tmp)
569	sm->useSharedVertices = StringConverter::parseBool(tmp);
570	tmp = smElem->Attribute("use32bitindexes");
571	bool use32BitIndexes = false;
572	if (tmp)
573	use32BitIndexes = StringConverter::parseBool(tmp);
574
575	// Faces
576	TiXmlElement* faces = smElem->FirstChildElement("faces");
577	if (sm->operationType == RenderOperation::OT_TRIANGLE_LIST)
578	{
579	// tri list
580	sm->indexData->indexCount =
581	StringConverter::parseInt(faces->Attribute("count")) * 3;
582	}
583	else
584	{
585	// tri strip or fan
586	sm->indexData->indexCount =
587	StringConverter::parseInt(faces->Attribute("count")) + 2;
588	}
589
590	// Allocate space
591	HardwareIndexBufferSharedPtr ibuf = HardwareBufferManager::getSingleton().
592	createIndexBuffer(
593	use32BitIndexes? HardwareIndexBuffer::IT_32BIT : HardwareIndexBuffer::IT_16BIT,
594	sm->indexData->indexCount,
595	HardwareBuffer::HBU_DYNAMIC,
596	false);
597	sm->indexData->indexBuffer = ibuf;
598	unsigned int *pInt;
599	unsigned short *pShort;
600	if (use32BitIndexes)
601	{
602	pInt = static_cast<unsigned int*>(
603	ibuf->lock(HardwareBuffer::HBL_DISCARD));
604	}
605	else
606	{
607	pShort = static_cast<unsigned short*>(
608	ibuf->lock(HardwareBuffer::HBL_DISCARD));
609	}
610	TiXmlElement* faceElem;
611	bool firstTri = true;
612	for (faceElem = faces->FirstChildElement();
613	faceElem != 0; faceElem = faceElem->NextSiblingElement())
614	{
615	if (use32BitIndexes)
616	{
617	*pInt++ = StringConverter::parseInt(faceElem->Attribute("v1"));
618	// only need all 3 vertices if it's a trilist or first tri
619	if (sm->operationType == RenderOperation::OT_TRIANGLE_LIST \|\| firstTri)
620	{
621	*pInt++ = StringConverter::parseInt(faceElem->Attribute("v2"));
622	*pInt++ = StringConverter::parseInt(faceElem->Attribute("v3"));
623	}
624	}
625	else
626	{
627	*pShort++ = StringConverter::parseInt(faceElem->Attribute("v1"));
628	// only need all 3 vertices if it's a trilist or first tri
629	if (sm->operationType == RenderOperation::OT_TRIANGLE_LIST \|\| firstTri)
630	{
631	*pShort++ = StringConverter::parseInt(faceElem->Attribute("v2"));
632	*pShort++ = StringConverter::parseInt(faceElem->Attribute("v3"));
633	}
634	}
635	firstTri = false;
636	}
637	ibuf->unlock();
638
639	// Geometry
640	if (!sm->useSharedVertices)
641	{
642	TiXmlElement* geomNode = smElem->FirstChildElement("geometry");
643	if (geomNode)
644	{
645	sm->vertexData = new VertexData();
646	readGeometry(geomNode, sm->vertexData);
647	}
648	}
649
650	// texture aliases
651	TiXmlElement* textureAliasesNode = smElem->FirstChildElement("textures");
652	if(textureAliasesNode)
653	readTextureAliases(textureAliasesNode, sm);
654
655	// Bone assignments
656	TiXmlElement* boneAssigns = smElem->FirstChildElement("boneassignments");
657	if(boneAssigns)
658	readBoneAssignments(boneAssigns, sm);
659
660	}
661	LogManager::getSingleton().logMessage("Submeshes done.");
662	}
663	//---------------------------------------------------------------------
664	void XMLMeshSerializer::readGeometry(TiXmlElement* mGeometryNode, VertexData* vertexData)
665	{
666	LogManager::getSingleton().logMessage("Reading geometry...");
667	unsigned char *pVert;
668	float *pFloat;
669	ARGB *pCol;
670
671	vertexData->vertexCount = StringConverter::parseInt(mGeometryNode->Attribute("vertexcount"));
672	// Skip empty
673	if (vertexData->vertexCount <= 0) return;
674
675
676	VertexDeclaration* decl = vertexData->vertexDeclaration;
677	VertexBufferBinding* bind = vertexData->vertexBufferBinding;
678	unsigned short bufCount = 0;
679	unsigned short totalTexCoords = 0; // across all buffers
680
681	// Information for calculating bounds
682	Vector3 min, max, pos;
683	Real maxSquaredRadius = -1;
684	bool first = true;
685
686	// Iterate over all children (vertexbuffer entries)
687	for (TiXmlElement* vbElem = mGeometryNode->FirstChildElement();
688	vbElem != 0; vbElem = vbElem->NextSiblingElement())
689	{
690	size_t offset = 0;
691	// Skip non-vertexbuffer elems
692	if (stricmp(vbElem->Value(), "vertexbuffer")) continue;
693
694	const char* attrib = vbElem->Attribute("positions");
695	if (attrib && StringConverter::parseBool(attrib))
696	{
697	// Add element
698	decl->addElement(bufCount, offset, VET_FLOAT3, VES_POSITION);
699	offset += VertexElement::getTypeSize(VET_FLOAT3);
700	}
701	attrib = vbElem->Attribute("normals");
702	if (attrib && StringConverter::parseBool(attrib))
703	{
704	// Add element
705	decl->addElement(bufCount, offset, VET_FLOAT3, VES_NORMAL);
706	offset += VertexElement::getTypeSize(VET_FLOAT3);
707	}
708	attrib = vbElem->Attribute("colours_diffuse");
709	if (attrib && StringConverter::parseBool(attrib))
710	{
711	// Add element
712	decl->addElement(bufCount, offset, mColourElementType, VES_DIFFUSE);
713	offset += VertexElement::getTypeSize(mColourElementType);
714	}
715	attrib = vbElem->Attribute("colours_specular");
716	if (attrib && StringConverter::parseBool(attrib))
717	{
718	// Add element
719	decl->addElement(bufCount, offset, mColourElementType, VES_SPECULAR);
720	offset += VertexElement::getTypeSize(mColourElementType);
721	}
722	attrib = vbElem->Attribute("texture_coords");
723	if (attrib && StringConverter::parseInt(attrib))
724	{
725	unsigned short numTexCoords = StringConverter::parseInt(vbElem->Attribute("texture_coords"));
726	for (unsigned short tx = 0; tx < numTexCoords; ++tx)
727	{
728	// NB set is local to this buffer, but will be translated into a
729	// global set number across all vertex buffers
730	attrib = vbElem->Attribute("texture_coord_dimensions_" + StringConverter::toString(tx));
731	unsigned short dims;
732	if (attrib)
733	{
734	dims = StringConverter::parseInt(attrib);
735	}
736	else
737	{
738	// Default
739	dims = 2;
740	}
741	// Add element
742	VertexElementType vtype = VertexElement::multiplyTypeCount(VET_FLOAT1, dims);
743	decl->addElement(bufCount, offset, vtype,
744	VES_TEXTURE_COORDINATES, totalTexCoords++);
745	offset += VertexElement::getTypeSize(vtype);
746	}
747	}
748	// Now create the vertex buffer
749	HardwareVertexBufferSharedPtr vbuf = HardwareBufferManager::getSingleton().
750	createVertexBuffer(offset, vertexData->vertexCount,
751	HardwareBuffer::HBU_STATIC_WRITE_ONLY, false);
752	// Bind it
753	bind->setBinding(bufCount, vbuf);
754	// Lock it
755	pVert = static_cast<unsigned char*>(
756	vbuf->lock(HardwareBuffer::HBL_DISCARD));
757
758	// Get the element list for this buffer alone
759	VertexDeclaration::VertexElementList elems = decl->findElementsBySource(bufCount);
760	// Now the buffer is set up, parse all the vertices
761	for (TiXmlElement* vertexElem = vbElem->FirstChildElement();
762	vertexElem != 0; vertexElem = vertexElem->NextSiblingElement())
763	{
764	// Now parse the elements, ensure they are all matched
765	VertexDeclaration::VertexElementList::const_iterator ielem, ielemend;
766	TiXmlElement* xmlElem;
767	TiXmlElement* texCoordElem = 0;
768	ielemend = elems.end();
769	for (ielem = elems.begin(); ielem != ielemend; ++ielem)
770	{
771	const VertexElement& elem = *ielem;
772	// Find child for this element
773	switch(elem.getSemantic())
774	{
775	case VES_POSITION:
776	xmlElem = vertexElem->FirstChildElement("position");
777	if (!xmlElem)
778	{
779	OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, "Missing <position> element.",
780	"XMLSerializer::readGeometry");
781	}
782	elem.baseVertexPointerToElement(pVert, &pFloat);
783
784	*pFloat++ = StringConverter::parseReal(
785	xmlElem->Attribute("x"));
786	*pFloat++ = StringConverter::parseReal(
787	xmlElem->Attribute("y"));
788	*pFloat++ = StringConverter::parseReal(
789	xmlElem->Attribute("z"));
790
791	pos.x = StringConverter::parseReal(
792	xmlElem->Attribute("x"));
793	pos.y = StringConverter::parseReal(
794	xmlElem->Attribute("y"));
795	pos.z = StringConverter::parseReal(
796	xmlElem->Attribute("z"));
797
798	if (first)
799	{
800	min = max = pos;
801	maxSquaredRadius = pos.squaredLength();
802	first = false;
803	}
804	else
805	{
806	min.makeFloor(pos);
807	max.makeCeil(pos);
808	maxSquaredRadius = std::max(pos.squaredLength(), maxSquaredRadius);
809	}
810	break;
811	case VES_NORMAL:
812	xmlElem = vertexElem->FirstChildElement("normal");
813	if (!xmlElem)
814	{
815	OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, "Missing <normal> element.",
816	"XMLSerializer::readGeometry");
817	}
818	elem.baseVertexPointerToElement(pVert, &pFloat);
819
820	*pFloat++ = StringConverter::parseReal(
821	xmlElem->Attribute("x"));
822	*pFloat++ = StringConverter::parseReal(
823	xmlElem->Attribute("y"));
824	*pFloat++ = StringConverter::parseReal(
825	xmlElem->Attribute("z"));
826	break;
827	case VES_DIFFUSE:
828	xmlElem = vertexElem->FirstChildElement("colour_diffuse");
829	if (!xmlElem)
830	{
831	OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, "Missing <colour_diffuse> element.",
832	"XMLSerializer::readGeometry");
833	}
834	elem.baseVertexPointerToElement(pVert, &pCol);
835	{
836	ColourValue cv;
837	cv = StringConverter::parseColourValue(
838	xmlElem->Attribute("value"));
839	*pCol++ = VertexElement::convertColourValue(cv, mColourElementType);
840	}
841	break;
842	case VES_SPECULAR:
843	xmlElem = vertexElem->FirstChildElement("colour_specular");
844	if (!xmlElem)
845	{
846	OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, "Missing <colour_specular> element.",
847	"XMLSerializer::readGeometry");
848	}
849	elem.baseVertexPointerToElement(pVert, &pCol);
850	{
851	ColourValue cv;
852	cv = StringConverter::parseColourValue(
853	xmlElem->Attribute("value"));
854	*pCol++ = VertexElement::convertColourValue(cv, mColourElementType);
855	}
856	break;
857	case VES_TEXTURE_COORDINATES:
858	if (!texCoordElem)
859	{
860	// Get first texcoord
861	xmlElem = vertexElem->FirstChildElement("texcoord");
862	}
863	else
864	{
865	// Get next texcoord
866	xmlElem = texCoordElem->NextSiblingElement("texcoord");
867	}
868	if (!xmlElem)
869	{
870	OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, "Missing <texcoord> element.",
871	"XMLSerializer::readGeometry");
872	}
873	// Record the latest texture coord entry
874	texCoordElem = xmlElem;
875	elem.baseVertexPointerToElement(pVert, &pFloat);
876
877	*pFloat++ = StringConverter::parseReal(
878	xmlElem->Attribute("u"));
879	if (VertexElement::getTypeCount(elem.getType()) > 1)
880	{
881	*pFloat++ = StringConverter::parseReal(
882	xmlElem->Attribute("v"));
883	}
884	if (VertexElement::getTypeCount(elem.getType()) > 2)
885	{
886	*pFloat++ = StringConverter::parseReal(
887	xmlElem->Attribute("w"));
888	}
889
890	break;
891	default:
892	break;
893	}
894	} // semantic
895	pVert += vbuf->getVertexSize();
896	} // vertex
897	bufCount++;
898	vbuf->unlock();
899	} // vertexbuffer
900
901	// Set bounds
902	const AxisAlignedBox& currBox = mpMesh->getBounds();
903	Real currRadius = mpMesh->getBoundingSphereRadius();
904	if (currBox.isNull())
905	{
906	//do not pad the bounding box
907	mpMesh->_setBounds(AxisAlignedBox(min, max), false);
908	mpMesh->_setBoundingSphereRadius(Math::Sqrt(maxSquaredRadius));
909	}
910	else
911	{
912	AxisAlignedBox newBox(min, max);
913	newBox.merge(currBox);
914	//do not pad the bounding box
915	mpMesh->_setBounds(newBox, false);
916	mpMesh->_setBoundingSphereRadius(std::max(Math::Sqrt(maxSquaredRadius), currRadius));
917	}
918
919
920	LogManager::getSingleton().logMessage("Geometry done...");
921	}
922	//---------------------------------------------------------------------
923	void XMLMeshSerializer::readSkeletonLink(TiXmlElement* mSkelNode)
924	{
925	mpMesh->setSkeletonName(mSkelNode->Attribute("name"));
926	}
927	//---------------------------------------------------------------------
928	void XMLMeshSerializer::readBoneAssignments(TiXmlElement* mBoneAssignmentsNode)
929	{
930	LogManager::getSingleton().logMessage("Reading bone assignments...");
931
932	// Iterate over all children (vertexboneassignment entries)
933	for (TiXmlElement* elem = mBoneAssignmentsNode->FirstChildElement();
934	elem != 0; elem = elem->NextSiblingElement())
935	{
936	VertexBoneAssignment vba;
937	vba.vertexIndex = StringConverter::parseInt(
938	elem->Attribute("vertexindex"));
939	vba.boneIndex = StringConverter::parseInt(
940	elem->Attribute("boneindex"));
941	vba.weight= StringConverter::parseReal(
942	elem->Attribute("weight"));
943
944	mpMesh->addBoneAssignment(vba);
945	}
946
947	LogManager::getSingleton().logMessage("Bone assignments done.");
948	}
949	//---------------------------------------------------------------------
950	void XMLMeshSerializer::readTextureAliases(TiXmlElement* mTextureAliasesNode, SubMesh* subMesh)
951	{
952	LogManager::getSingleton().logMessage("Reading sub mesh texture aliases...");
953
954	// Iterate over all children (texture entries)
955	for (TiXmlElement* elem = mTextureAliasesNode->FirstChildElement();
956	elem != 0; elem = elem->NextSiblingElement())
957	{
958	// pass alias and texture name to submesh
959	// read attribute "alias"
960	String alias = elem->Attribute("alias");
961	// read attribute "name"
962	String name = elem->Attribute("name");
963
964	subMesh->addTextureAlias(alias, name);
965	}
966
967	LogManager::getSingleton().logMessage("Texture aliases done.");
968	}
969	//---------------------------------------------------------------------
970	void XMLMeshSerializer::readSubMeshNames(TiXmlElement* mMeshNamesNode, Mesh *sm)
971	{
972	LogManager::getSingleton().logMessage("Reading mesh names...");
973
974	// Iterate over all children (vertexboneassignment entries)
975	for (TiXmlElement* elem = mMeshNamesNode->FirstChildElement();
976	elem != 0; elem = elem->NextSiblingElement())
977	{
978	String meshName = elem->Attribute("name");
979	int index = StringConverter::parseInt(elem->Attribute("index"));
980
981	sm->nameSubMesh(meshName, index);
982	}
983
984	LogManager::getSingleton().logMessage("Mesh names done.");
985	}
986	//---------------------------------------------------------------------
987	void XMLMeshSerializer::readBoneAssignments(TiXmlElement* mBoneAssignmentsNode, SubMesh* sm)
988	{
989	LogManager::getSingleton().logMessage("Reading bone assignments...");
990	// Iterate over all children (vertexboneassignment entries)
991	for (TiXmlElement* elem = mBoneAssignmentsNode->FirstChildElement();
992	elem != 0; elem = elem->NextSiblingElement())
993	{
994	VertexBoneAssignment vba;
995	vba.vertexIndex = StringConverter::parseInt(
996	elem->Attribute("vertexindex"));
997	vba.boneIndex = StringConverter::parseInt(
998	elem->Attribute("boneindex"));
999	vba.weight= StringConverter::parseReal(
1000	elem->Attribute("weight"));
1001
1002	sm->addBoneAssignment(vba);
1003	}
1004	LogManager::getSingleton().logMessage("Bone assignments done.");
1005	}
1006	//---------------------------------------------------------------------
1007	void XMLMeshSerializer::writeLodInfo(TiXmlElement* mMeshNode, const Mesh* pMesh)
1008	{
1009	TiXmlElement* lodNode =
1010	mMeshNode->InsertEndChild(TiXmlElement("levelofdetail"))->ToElement();
1011
1012	unsigned short numLvls = pMesh->getNumLodLevels();
1013	bool manual = pMesh->isLodManual();
1014	lodNode->SetAttribute("numlevels", StringConverter::toString(numLvls));
1015	lodNode->SetAttribute("manual", StringConverter::toString(manual));
1016
1017	// Iterate from level 1, not 0 (full detail)
1018	for (unsigned short i = 1; i < numLvls; ++i)
1019	{
1020	const MeshLodUsage& usage = pMesh->getLodLevel(i);
1021	if (manual)
1022	{
1023	writeLodUsageManual(lodNode, i, usage);
1024	}
1025	else
1026	{
1027	writeLodUsageGenerated(lodNode, i, usage, pMesh);
1028	}
1029	}
1030
1031	}
1032	//---------------------------------------------------------------------
1033	void XMLMeshSerializer::writeSubMeshNames(TiXmlElement* mMeshNode, const Mesh* m)
1034	{
1035	const Mesh::SubMeshNameMap& nameMap = m->getSubMeshNameMap();
1036	if (nameMap.empty())
1037	return; // do nothing
1038
1039	TiXmlElement* namesNode =
1040	mMeshNode->InsertEndChild(TiXmlElement("submeshnames"))->ToElement();
1041	Mesh::SubMeshNameMap::const_iterator i, iend;
1042	iend = nameMap.end();
1043	for (i = nameMap.begin(); i != iend; ++i)
1044	{
1045	TiXmlElement* subNameNode =
1046	namesNode->InsertEndChild(TiXmlElement("submeshname"))->ToElement();
1047
1048	subNameNode->SetAttribute("name", i->first);
1049	subNameNode->SetAttribute("index",
1050	StringConverter::toString(i->second));
1051	}
1052
1053	}
1054	//---------------------------------------------------------------------
1055	void XMLMeshSerializer::writeLodUsageManual(TiXmlElement* usageNode,
1056	unsigned short levelNum, const MeshLodUsage& usage)
1057	{
1058	TiXmlElement* manualNode =
1059	usageNode->InsertEndChild(TiXmlElement("lodmanual"))->ToElement();
1060
1061	manualNode->SetAttribute("fromdepthsquared",
1062	StringConverter::toString(usage.fromDepthSquared));
1063	manualNode->SetAttribute("meshname", usage.manualName);
1064
1065	}
1066	//---------------------------------------------------------------------
1067	void XMLMeshSerializer::writeLodUsageGenerated(TiXmlElement* usageNode,
1068	unsigned short levelNum, const MeshLodUsage& usage,
1069	const Mesh* pMesh)
1070	{
1071	TiXmlElement* generatedNode =
1072	usageNode->InsertEndChild(TiXmlElement("lodgenerated"))->ToElement();
1073	generatedNode->SetAttribute("fromdepthsquared",
1074	StringConverter::toString(usage.fromDepthSquared));
1075
1076	// Iterate over submeshes at this level
1077	unsigned short numsubs = pMesh->getNumSubMeshes();
1078
1079	for (unsigned short subi = 0; subi < numsubs; ++subi)
1080	{
1081	TiXmlElement* subNode =
1082	generatedNode->InsertEndChild(TiXmlElement("lodfacelist"))->ToElement();
1083	SubMesh* sub = pMesh->getSubMesh(subi);
1084	subNode->SetAttribute("submeshindex", StringConverter::toString(subi));
1085	// NB level - 1 because SubMeshes don't store the first index in geometry
1086	IndexData* facedata = sub->mLodFaceList[levelNum - 1];
1087	subNode->SetAttribute("numfaces", StringConverter::toString(facedata->indexCount / 3));
1088
1089	// Write each face in turn
1090	bool use32BitIndexes = (facedata->indexBuffer->getType() == HardwareIndexBuffer::IT_32BIT);
1091
1092	// Write each face in turn
1093	unsigned int* pInt;
1094	unsigned short* pShort;
1095	HardwareIndexBufferSharedPtr ibuf = facedata->indexBuffer;
1096	if (use32BitIndexes)
1097	{
1098	pInt = static_cast<unsigned int*>(
1099	ibuf->lock(HardwareBuffer::HBL_READ_ONLY));
1100	}
1101	else
1102	{
1103	pShort = static_cast<unsigned short*>(
1104	ibuf->lock(HardwareBuffer::HBL_READ_ONLY));
1105	}
1106
1107	for (size_t f = 0; f < facedata->indexCount; f += 3)
1108	{
1109	TiXmlElement* faceNode =
1110	subNode->InsertEndChild(TiXmlElement("face"))->ToElement();
1111	if (use32BitIndexes)
1112	{
1113	faceNode->SetAttribute("v1", StringConverter::toString(*pInt++));
1114	faceNode->SetAttribute("v2", StringConverter::toString(*pInt++));
1115	faceNode->SetAttribute("v3", StringConverter::toString(*pInt++));
1116	}
1117	else
1118	{
1119	faceNode->SetAttribute("v1", StringConverter::toString(*pShort++));
1120	faceNode->SetAttribute("v2", StringConverter::toString(*pShort++));
1121	faceNode->SetAttribute("v3", StringConverter::toString(*pShort++));
1122	}
1123
1124	}
1125
1126
1127
1128	}
1129
1130	}
1131	//---------------------------------------------------------------------
1132	void XMLMeshSerializer::readLodInfo(TiXmlElement* lodNode)
1133	{
1134
1135	LogManager::getSingleton().logMessage("Parsing LOD information...");
1136
1137	const char* val = lodNode->Attribute("numlevels");
1138	unsigned short numLevels = static_cast<unsigned short>(
1139	StringConverter::parseUnsignedInt(val));
1140
1141	val = lodNode->Attribute("manual");
1142	bool manual = StringConverter::parseBool(val);
1143
1144	// Set up the basic structures
1145	mpMesh->_setLodInfo(numLevels, manual);
1146
1147	// Parse the detail, start from 1 (the first sub-level of detail)
1148	unsigned short i = 1;
1149	TiXmlElement* usageElem;
1150	if (manual)
1151	{
1152	usageElem = lodNode->FirstChildElement("lodmanual");
1153	}
1154	else
1155	{
1156	usageElem = lodNode->FirstChildElement("lodgenerated");
1157	}
1158	while (usageElem)
1159	{
1160	if (manual)
1161	{
1162	readLodUsageManual(usageElem, i);
1163	usageElem = usageElem->NextSiblingElement();
1164	}
1165	else
1166	{
1167	readLodUsageGenerated(usageElem, i);
1168	usageElem = usageElem->NextSiblingElement();
1169	}
1170	++i;
1171	}
1172
1173	LogManager::getSingleton().logMessage("LOD information done.");
1174
1175	}
1176	//---------------------------------------------------------------------
1177	void XMLMeshSerializer::readLodUsageManual(TiXmlElement* manualNode, unsigned short index)
1178	{
1179	MeshLodUsage usage;
1180	const char* val = manualNode->Attribute("fromdepthsquared");
1181	usage.fromDepthSquared = StringConverter::parseReal(val);
1182	usage.manualName = manualNode->Attribute("meshname");
1183	usage.edgeData = NULL;
1184
1185	mpMesh->_setLodUsage(index, usage);
1186	}
1187	//---------------------------------------------------------------------
1188	void XMLMeshSerializer::readLodUsageGenerated(TiXmlElement* genNode, unsigned short index)
1189	{
1190	MeshLodUsage usage;
1191	const char* val = genNode->Attribute("fromdepthsquared");
1192	usage.fromDepthSquared = StringConverter::parseReal(val);
1193	usage.manualMesh.setNull();
1194	usage.manualName = "";
1195	usage.edgeData = NULL;
1196
1197	mpMesh->_setLodUsage(index, usage);
1198
1199	// Read submesh face lists
1200	TiXmlElement* faceListElem = genNode->FirstChildElement("lodfacelist");
1201	while (faceListElem)
1202	{
1203	val = faceListElem->Attribute("submeshindex");
1204	unsigned short subidx = StringConverter::parseUnsignedInt(val);
1205	val = faceListElem->Attribute("numfaces");
1206	unsigned short numFaces = StringConverter::parseUnsignedInt(val);
1207	// use of 32bit indexes depends on submesh
1208	HardwareIndexBuffer::IndexType itype =
1209	mpMesh->getSubMesh(subidx)->indexData->indexBuffer->getType();
1210	bool use32bitindexes = (itype == HardwareIndexBuffer::IT_32BIT);
1211
1212	// Assign memory: this will be deleted by the submesh
1213	HardwareIndexBufferSharedPtr ibuf = HardwareBufferManager::getSingleton().
1214	createIndexBuffer(
1215	itype, numFaces * 3, HardwareBuffer::HBU_STATIC_WRITE_ONLY);
1216
1217	unsigned short *pShort;
1218	unsigned int *pInt;
1219	if (use32bitindexes)
1220	{
1221	pInt = static_cast<unsigned int*>(
1222	ibuf->lock(HardwareBuffer::HBL_DISCARD));
1223	}
1224	else
1225	{
1226	pShort = static_cast<unsigned short*>(
1227	ibuf->lock(HardwareBuffer::HBL_DISCARD));
1228	}
1229	TiXmlElement* faceElem = faceListElem->FirstChildElement("face");
1230	for (unsigned int face = 0; face < numFaces; ++face, faceElem = faceElem->NextSiblingElement())
1231	{
1232	if (use32bitindexes)
1233	{
1234	val = faceElem->Attribute("v1");
1235	*pInt++ = StringConverter::parseUnsignedInt(val);
1236	val = faceElem->Attribute("v2");
1237	*pInt++ = StringConverter::parseUnsignedInt(val);
1238	val = faceElem->Attribute("v3");
1239	*pInt++ = StringConverter::parseUnsignedInt(val);
1240	}
1241	else
1242	{
1243	val = faceElem->Attribute("v1");
1244	*pShort++ = StringConverter::parseUnsignedInt(val);
1245	val = faceElem->Attribute("v2");
1246	*pShort++ = StringConverter::parseUnsignedInt(val);
1247	val = faceElem->Attribute("v3");
1248	*pShort++ = StringConverter::parseUnsignedInt(val);
1249	}
1250
1251	}
1252
1253	ibuf->unlock();
1254	IndexData* facedata = new IndexData(); // will be deleted by SubMesh
1255	facedata->indexCount = numFaces * 3;
1256	facedata->indexStart = 0;
1257	facedata->indexBuffer = ibuf;
1258	mpMesh->_setSubMeshLodFaceList(subidx, index, facedata);
1259
1260	faceListElem = faceListElem->NextSiblingElement();
1261	}
1262
1263	}
1264	//-----------------------------------------------------------------------------
1265	void XMLMeshSerializer::readPoses(TiXmlElement* posesNode, Mesh *m)
1266	{
1267	TiXmlElement* poseNode = posesNode->FirstChildElement("pose");
1268
1269	while (poseNode)
1270	{
1271	const char* target = poseNode->Attribute("target");
1272	if (!target)
1273	{
1274	OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND,
1275	"Required attribute 'target' missing on pose",
1276	"XMLMeshSerializer::readPoses");
1277	}
1278	unsigned short targetID;
1279	if(target == "mesh")
1280	{
1281	targetID = 0;
1282	}
1283	else
1284	{
1285	// submesh, get index
1286	const char* val = poseNode->Attribute("index");
1287	if (!val)
1288	{
1289	OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND,
1290	"Required attribute 'index' missing on pose",
1291	"XMLMeshSerializer::readPoses");
1292	}
1293	unsigned short submeshIndex = static_cast<unsigned short>(
1294	StringConverter::parseUnsignedInt(val));
1295
1296	targetID = submeshIndex + 1;
1297	}
1298
1299	String name;
1300	const char* val = poseNode->Attribute("name");
1301	if (val)
1302	name = val;
1303	Pose* pose = m->createPose(targetID, name);
1304
1305	TiXmlElement* poseOffsetNode = poseNode->FirstChildElement("poseoffset");
1306	while (poseOffsetNode)
1307	{
1308	uint index = StringConverter::parseUnsignedInt(
1309	poseOffsetNode->Attribute("index"));
1310	Vector3 offset;
1311	offset.x = StringConverter::parseReal(poseOffsetNode->Attribute("x"));
1312	offset.y = StringConverter::parseReal(poseOffsetNode->Attribute("y"));
1313	offset.z = StringConverter::parseReal(poseOffsetNode->Attribute("z"));
1314
1315	pose->addVertex(index, offset);
1316
1317	poseOffsetNode = poseOffsetNode->NextSiblingElement();
1318	}
1319
1320	poseNode = poseNode->NextSiblingElement();
1321
1322	}
1323
1324
1325	}
1326	//-----------------------------------------------------------------------------
1327	void XMLMeshSerializer::readAnimations(TiXmlElement* mAnimationsNode, Mesh *pMesh)
1328	{
1329	TiXmlElement* animElem = mAnimationsNode->FirstChildElement("animation");
1330	while (animElem)
1331	{
1332	String name = animElem->Attribute("name");
1333	const char* charLen = animElem->Attribute("length");
1334	Real len = StringConverter::parseReal(charLen);
1335
1336	Animation* anim = pMesh->createAnimation(name, len);
1337
1338	TiXmlElement* tracksNode = animElem->FirstChildElement("tracks");
1339	if (tracksNode)
1340	{
1341	readTracks(tracksNode, pMesh, anim);
1342	}
1343
1344	animElem = animElem->NextSiblingElement();
1345
1346	}
1347
1348
1349	}
1350	//-----------------------------------------------------------------------------
1351	void XMLMeshSerializer::readTracks(TiXmlElement* tracksNode, Mesh m, Animation anim)
1352	{
1353	TiXmlElement* trackNode = tracksNode->FirstChildElement("track");
1354	while (trackNode)
1355	{
1356	String target = trackNode->Attribute("target");
1357	unsigned short targetID;
1358	VertexData* vertexData = 0;
1359	if(target == "mesh")
1360	{
1361	targetID = 0;
1362	vertexData = m->sharedVertexData;
1363	}
1364	else
1365	{
1366	// submesh, get index
1367	const char* val = trackNode->Attribute("index");
1368	if (!val)
1369	{
1370	OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND,
1371	"Required attribute 'index' missing on submesh track",
1372	"XMLMeshSerializer::readTracks");
1373	}
1374	unsigned short submeshIndex = static_cast<unsigned short>(
1375	StringConverter::parseUnsignedInt(val));
1376
1377	targetID = submeshIndex + 1;
1378	vertexData = m->getSubMesh(submeshIndex)->vertexData;
1379
1380	}
1381
1382	if (!vertexData)
1383	{
1384	OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND,
1385	"Track cannot be created for " + target + " since VertexData "
1386	"does not exist at the specified index",
1387	"XMLMeshSerializer::readTracks");
1388	}
1389
1390	// Get type
1391	VertexAnimationType animType = VAT_NONE;
1392	String strAnimType = trackNode->Attribute("type");
1393	if (strAnimType == "morph")
1394	{
1395	animType = VAT_MORPH;
1396	}
1397	else if (strAnimType == "pose")
1398	{
1399	animType = VAT_POSE;
1400	}
1401	else
1402	{
1403	OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND,
1404	"Unrecognised animation track type '" + strAnimType + "'",
1405	"XMLMeshSerializer::readTracks");
1406	}
1407
1408	// Create track
1409	VertexAnimationTrack* track =
1410	anim->createVertexTrack(targetID, vertexData, animType);
1411
1412	TiXmlElement* keyframesNode = trackNode->FirstChildElement("keyframes");
1413	if (keyframesNode)
1414	{
1415	if (track->getAnimationType() == VAT_MORPH)
1416	{
1417	readMorphKeyFrames(keyframesNode, track, vertexData->vertexCount);
1418	}
1419	else // VAT_POSE
1420	{
1421	readPoseKeyFrames(keyframesNode, track);
1422	}
1423	}
1424
1425	trackNode = trackNode->NextSiblingElement();
1426	}
1427	}
1428	//-----------------------------------------------------------------------------
1429	void XMLMeshSerializer::readMorphKeyFrames(TiXmlElement* keyframesNode,
1430	VertexAnimationTrack* track, size_t vertexCount)
1431	{
1432	TiXmlElement* keyNode = keyframesNode->FirstChildElement("keyframe");
1433	while (keyNode)
1434	{
1435	const char* val = keyNode->Attribute("time");
1436	if (!val)
1437	{
1438	OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND,
1439	"Required attribute 'time' missing on keyframe",
1440	"XMLMeshSerializer::readKeyFrames");
1441	}
1442	Real time = StringConverter::parseReal(val);
1443
1444	VertexMorphKeyFrame* kf = track->createVertexMorphKeyFrame(time);
1445
1446	// create a vertex buffer
1447	HardwareVertexBufferSharedPtr vbuf =
1448	HardwareBufferManager::getSingleton().createVertexBuffer(
1449	VertexElement::getTypeSize(VET_FLOAT3), vertexCount,
1450	HardwareBuffer::HBU_STATIC, true);
1451
1452	float* pFloat = static_cast<float*>(
1453	vbuf->lock(HardwareBuffer::HBL_DISCARD));
1454
1455
1456	TiXmlElement* posNode = keyNode->FirstChildElement("position");
1457	for (size_t v = 0; v < vertexCount; ++v)
1458	{
1459	if (!posNode)
1460	{
1461	OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND,
1462	"Not enough 'position' elements under keyframe",
1463	"XMLMeshSerializer::readKeyFrames");
1464
1465	}
1466
1467	*pFloat++ = StringConverter::parseReal(
1468	posNode->Attribute("x"));
1469	*pFloat++ = StringConverter::parseReal(
1470	posNode->Attribute("y"));
1471	*pFloat++ = StringConverter::parseReal(
1472	posNode->Attribute("z"));
1473
1474
1475	posNode = posNode->NextSiblingElement("position");
1476	}
1477
1478	vbuf->unlock();
1479
1480	kf->setVertexBuffer(vbuf);
1481
1482
1483	keyNode = keyNode->NextSiblingElement();
1484	}
1485
1486
1487	}
1488	//-----------------------------------------------------------------------------
1489	void XMLMeshSerializer::readPoseKeyFrames(TiXmlElement* keyframesNode, VertexAnimationTrack* track)
1490	{
1491	TiXmlElement* keyNode = keyframesNode->FirstChildElement("keyframe");
1492	while (keyNode)
1493	{
1494	const char* val = keyNode->Attribute("time");
1495	if (!val)
1496	{
1497	OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND,
1498	"Required attribute 'time' missing on keyframe",
1499	"XMLMeshSerializer::readKeyFrames");
1500	}
1501	Real time = StringConverter::parseReal(val);
1502
1503	VertexPoseKeyFrame* kf = track->createVertexPoseKeyFrame(time);
1504
1505	// Read all pose references
1506	TiXmlElement* poseRefNode = keyNode->FirstChildElement("poseref");
1507	while (poseRefNode)
1508	{
1509	const char* val = poseRefNode->Attribute("poseindex");
1510	if (!val)
1511	{
1512	OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND,
1513	"Required attribute 'poseindex' missing on poseref",
1514	"XMLMeshSerializer::readPoseKeyFrames");
1515	}
1516	unsigned short poseIndex = StringConverter::parseUnsignedInt(val);
1517	Real influence = 1.0f;
1518	val = poseRefNode->Attribute("influence");
1519	if (val)
1520	{
1521	influence = StringConverter::parseReal(val);
1522	}
1523
1524	kf->addPoseReference(poseIndex, influence);
1525
1526	poseRefNode = poseRefNode->NextSiblingElement();
1527	}
1528
1529	keyNode = keyNode->NextSiblingElement();
1530	}
1531
1532	}
1533	//-----------------------------------------------------------------------------
1534	void XMLMeshSerializer::writePoses(TiXmlElement* meshNode, const Mesh* m)
1535	{
1536	if (m->getPoseCount() == 0)
1537	return;
1538
1539	TiXmlElement* posesNode =
1540	meshNode->InsertEndChild(TiXmlElement("poses"))->ToElement();
1541
1542	Mesh::ConstPoseIterator poseIt = m->getPoseIterator();
1543	while (poseIt.hasMoreElements())
1544	{
1545	const Pose* pose = poseIt.getNext();
1546	TiXmlElement* poseNode =
1547	posesNode->InsertEndChild(TiXmlElement("pose"))->ToElement();
1548	unsigned short target = pose->getTarget();
1549	if (target == 0)
1550	{
1551	// Main mesh
1552	poseNode->SetAttribute("target", "mesh");
1553	}
1554	else
1555	{
1556	// Submesh - rebase index
1557	poseNode->SetAttribute("target", "submesh");
1558	poseNode->SetAttribute("index",
1559	StringConverter::toString(target - 1));
1560	}
1561	poseNode->SetAttribute("name", pose->getName());
1562
1563	Pose::ConstVertexOffsetIterator vit = pose->getVertexOffsetIterator();
1564	while (vit.hasMoreElements())
1565	{
1566	TiXmlElement* poseOffsetElement = poseNode->InsertEndChild(
1567	TiXmlElement("poseoffset"))->ToElement();
1568
1569	poseOffsetElement->SetAttribute("index",
1570	StringConverter::toString(vit.peekNextKey()));
1571
1572	Vector3 offset = vit.getNext();
1573	poseOffsetElement->SetAttribute("x", StringConverter::toString(offset.x));
1574	poseOffsetElement->SetAttribute("y", StringConverter::toString(offset.y));
1575	poseOffsetElement->SetAttribute("z", StringConverter::toString(offset.z));
1576
1577
1578	}
1579
1580	}
1581
1582	}
1583	//-----------------------------------------------------------------------------
1584	void XMLMeshSerializer::writeAnimations(TiXmlElement* meshNode, const Mesh* m)
1585	{
1586	// Skip if no animation
1587	if (!m->hasVertexAnimation())
1588	return;
1589
1590	TiXmlElement* animationsNode =
1591	meshNode->InsertEndChild(TiXmlElement("animations"))->ToElement();
1592
1593	for (unsigned short a = 0; a < m->getNumAnimations(); ++a)
1594	{
1595	Animation* anim = m->getAnimation(a);
1596
1597	TiXmlElement* animNode =
1598	animationsNode->InsertEndChild(TiXmlElement("animation"))->ToElement();
1599	animNode->SetAttribute("name", anim->getName());
1600	animNode->SetAttribute("length",
1601	StringConverter::toString(anim->getLength()));
1602
1603	TiXmlElement* tracksNode =
1604	animNode->InsertEndChild(TiXmlElement("tracks"))->ToElement();
1605	Animation::VertexTrackIterator iter = anim->getVertexTrackIterator();
1606	while(iter.hasMoreElements())
1607	{
1608	const VertexAnimationTrack* track = iter.getNext();
1609	TiXmlElement* trackNode =
1610	tracksNode->InsertEndChild(TiXmlElement("track"))->ToElement();
1611
1612	unsigned short targetID = track->getHandle();
1613	if (targetID == 0)
1614	{
1615	trackNode->SetAttribute("target", "mesh");
1616	}
1617	else
1618	{
1619	trackNode->SetAttribute("target", "submesh");
1620	trackNode->SetAttribute("index",
1621	StringConverter::toString(targetID-1));
1622	}
1623
1624	if (track->getAnimationType() == VAT_MORPH)
1625	{
1626	trackNode->SetAttribute("type", "morph");
1627	writeMorphKeyFrames(trackNode, track);
1628	}
1629	else
1630	{
1631	trackNode->SetAttribute("type", "pose");
1632	writePoseKeyFrames(trackNode, track);
1633	}
1634
1635
1636	}
1637	}
1638
1639
1640	}
1641	//-----------------------------------------------------------------------------
1642	void XMLMeshSerializer::writeMorphKeyFrames(TiXmlElement* trackNode, const VertexAnimationTrack* track)
1643	{
1644	TiXmlElement* keyframesNode =
1645	trackNode->InsertEndChild(TiXmlElement("keyframes"))->ToElement();
1646
1647	size_t vertexCount = track->getAssociatedVertexData()->vertexCount;
1648
1649	for (unsigned short k = 0; k < track->getNumKeyFrames(); ++k)
1650	{
1651	VertexMorphKeyFrame* kf = track->getVertexMorphKeyFrame(k);
1652	TiXmlElement* keyNode =
1653	keyframesNode->InsertEndChild(TiXmlElement("keyframe"))->ToElement();
1654	keyNode->SetAttribute("time",
1655	StringConverter::toString(kf->getTime()));
1656
1657	HardwareVertexBufferSharedPtr vbuf = kf->getVertexBuffer();
1658	float* pFloat = static_cast<float*>(
1659	vbuf->lock(HardwareBuffer::HBL_READ_ONLY));
1660
1661	for (size_t v = 0; v < vertexCount; ++v)
1662	{
1663	TiXmlElement* posNode =
1664	keyNode->InsertEndChild(TiXmlElement("position"))->ToElement();
1665	posNode->SetAttribute("x", StringConverter::toString(*pFloat++));
1666	posNode->SetAttribute("y", StringConverter::toString(*pFloat++));
1667	posNode->SetAttribute("z", StringConverter::toString(*pFloat++));
1668	}
1669
1670	}
1671	}
1672	//-----------------------------------------------------------------------------
1673	void XMLMeshSerializer::writePoseKeyFrames(TiXmlElement* trackNode, const VertexAnimationTrack* track)
1674	{
1675	TiXmlElement* keyframesNode =
1676	trackNode->InsertEndChild(TiXmlElement("keyframes"))->ToElement();
1677
1678	for (unsigned short k = 0; k < track->getNumKeyFrames(); ++k)
1679	{
1680	VertexPoseKeyFrame* kf = track->getVertexPoseKeyFrame(k);
1681	TiXmlElement* keyNode =
1682	keyframesNode->InsertEndChild(TiXmlElement("keyframe"))->ToElement();
1683	keyNode->SetAttribute("time",
1684	StringConverter::toString(kf->getTime()));
1685
1686	VertexPoseKeyFrame::PoseRefIterator poseIt = kf->getPoseReferenceIterator();
1687	while (poseIt.hasMoreElements())
1688	{
1689	const VertexPoseKeyFrame::PoseRef& poseRef = poseIt.getNext();
1690	TiXmlElement* poseRefNode =
1691	keyNode->InsertEndChild(TiXmlElement("poseref"))->ToElement();
1692
1693	poseRefNode->SetAttribute("poseindex",
1694	StringConverter::toString(poseRef.poseIndex));
1695	poseRefNode->SetAttribute("influence",
1696	StringConverter::toString(poseRef.influence));
1697
1698	}
1699
1700	}
1701
1702
1703	}
1704
1705
1706
1707
1708	}
1709

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source: OGRE/trunk/ogrenew/Tools/XMLConverter/src/OgreXMLMeshSerializer.cpp @ 692

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