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OgreMeshSerializerImpl.cpp @ 692

Revision 692, 87.0 KB checked in by mattausch, 19 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	#include "OgreStableHeaders.h"
26
27	#include "OgreMeshSerializerImpl.h"
28	#include "OgreMeshFileFormat.h"
29	#include "OgreMesh.h"
30	#include "OgreSubMesh.h"
31	#include "OgreException.h"
32	#include "OgreLogManager.h"
33	#include "OgreSkeleton.h"
34	#include "OgreHardwareBufferManager.h"
35	#include "OgreMaterial.h"
36	#include "OgreTechnique.h"
37	#include "OgrePass.h"
38	#include "OgreAnimation.h"
39	#include "OgreAnimationTrack.h"
40	#include "OgreKeyFrame.h"
41	#include "OgreRoot.h"
42
43	#if OGRE_COMPILER == OGRE_COMPILER_MSVC
44	// Disable conversion warnings, we do a lot of them, intentionally
45	# pragma warning (disable : 4267)
46	#endif
47
48
49	namespace Ogre {
50
51	/// stream overhead = ID + size
52	const long STREAM_OVERHEAD_SIZE = sizeof(uint16) + sizeof(uint32);
53	//---------------------------------------------------------------------
54	MeshSerializerImpl::MeshSerializerImpl()
55	{
56
57	// Version number
58	mVersion = "[MeshSerializer_v1.30]";
59	}
60	//---------------------------------------------------------------------
61	MeshSerializerImpl::~MeshSerializerImpl()
62	{
63	}
64	//---------------------------------------------------------------------
65	void MeshSerializerImpl::exportMesh(const Mesh* pMesh,
66	const String& filename, Endian endianMode)
67	{
68	LogManager::getSingleton().logMessage("MeshSerializer writing mesh data to " + filename + "...");
69
70	// Decide on endian mode
71	determineEndianness(endianMode);
72
73	// Check that the mesh has it's bounds set
74	if (pMesh->getBounds().isNull() \|\| pMesh->getBoundingSphereRadius() == 0.0f)
75	{
76	OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, "The Mesh you have supplied does not have its"
77	" bounds completely defined. Define them first before exporting.",
78	"MeshSerializerImpl::exportMesh");
79	}
80	mpfFile = fopen(filename.c_str(), "wb");
81	if (!mpfFile)
82	{
83	OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
84	"Unable to open file " + filename + " for writing",
85	"MeshSerializerImpl::exportMesh");
86	}
87
88	writeFileHeader();
89	LogManager::getSingleton().logMessage("File header written.");
90
91
92	LogManager::getSingleton().logMessage("Writing mesh data...");
93	writeMesh(pMesh);
94	LogManager::getSingleton().logMessage("Mesh data exported.");
95
96	fclose(mpfFile);
97	LogManager::getSingleton().logMessage("MeshSerializer export successful.");
98	}
99	//---------------------------------------------------------------------
100	void MeshSerializerImpl::importMesh(DataStreamPtr& stream, Mesh* pMesh)
101	{
102	// Determine endianness (must be the first thing we do!)
103	determineEndianness(stream);
104
105	// Check header
106	readFileHeader(stream);
107
108	unsigned short streamID;
109	while(!stream->eof())
110	{
111	streamID = readChunk(stream);
112	switch (streamID)
113	{
114	case M_MESH:
115	readMesh(stream, pMesh);
116	break;
117	}
118
119	}
120	}
121	//---------------------------------------------------------------------
122	void MeshSerializerImpl::writeMesh(const Mesh* pMesh)
123	{
124	// Header
125	writeChunkHeader(M_MESH, calcMeshSize(pMesh));
126
127	// bool skeletallyAnimated
128	bool skelAnim = pMesh->hasSkeleton();
129	writeBools(&skelAnim, 1);
130
131	// Write shared geometry
132	if (pMesh->sharedVertexData)
133	writeGeometry(pMesh->sharedVertexData);
134
135	// Write Submeshes
136	for (int i = 0; i < pMesh->getNumSubMeshes(); ++i)
137	{
138	LogManager::getSingleton().logMessage("Writing submesh...");
139	writeSubMesh(pMesh->getSubMesh(i));
140	LogManager::getSingleton().logMessage("Submesh exported.");
141	}
142
143	// Write skeleton info if required
144	if (pMesh->hasSkeleton())
145	{
146	LogManager::getSingleton().logMessage("Exporting skeleton link...");
147	// Write skeleton link
148	writeSkeletonLink(pMesh->getSkeletonName());
149	LogManager::getSingleton().logMessage("Skeleton link exported.");
150
151	// Write bone assignments
152	if (!pMesh->mBoneAssignments.empty())
153	{
154	LogManager::getSingleton().logMessage("Exporting shared geometry bone assignments...");
155
156	Mesh::VertexBoneAssignmentList::const_iterator vi;
157	for (vi = pMesh->mBoneAssignments.begin();
158	vi != pMesh->mBoneAssignments.end(); ++vi)
159	{
160	writeMeshBoneAssignment(vi->second);
161	}
162
163	LogManager::getSingleton().logMessage("Shared geometry bone assignments exported.");
164	}
165	}
166
167	// Write LOD data if any
168	if (pMesh->getNumLodLevels() > 1)
169	{
170	LogManager::getSingleton().logMessage("Exporting LOD information....");
171	writeLodInfo(pMesh);
172	LogManager::getSingleton().logMessage("LOD information exported.");
173
174	}
175	// Write bounds information
176	LogManager::getSingleton().logMessage("Exporting bounds information....");
177	writeBoundsInfo(pMesh);
178	LogManager::getSingleton().logMessage("Bounds information exported.");
179
180	// Write submesh name table
181	LogManager::getSingleton().logMessage("Exporting submesh name table...");
182	writeSubMeshNameTable(pMesh);
183	LogManager::getSingleton().logMessage("Submesh name table exported.");
184
185	// Write edge lists
186	if (pMesh->isEdgeListBuilt())
187	{
188	LogManager::getSingleton().logMessage("Exporting edge lists...");
189	writeEdgeList(pMesh);
190	LogManager::getSingleton().logMessage("Edge lists exported");
191	}
192
193	// Write morph animation
194	writePoses(pMesh);
195	if (pMesh->hasVertexAnimation())
196	{
197	writeAnimations(pMesh);
198	}
199	}
200	//---------------------------------------------------------------------
201	// Added by DrEvil
202	void MeshSerializerImpl::writeSubMeshNameTable(const Mesh* pMesh)
203	{
204	// Header
205	writeChunkHeader(M_SUBMESH_NAME_TABLE, calcSubMeshNameTableSize(pMesh));
206
207	// Loop through and save out the index and names.
208	Mesh::SubMeshNameMap::const_iterator it = pMesh->mSubMeshNameMap.begin();
209
210	while(it != pMesh->mSubMeshNameMap.end())
211	{
212	// Header
213	writeChunkHeader(M_SUBMESH_NAME_TABLE_ELEMENT, STREAM_OVERHEAD_SIZE +
214	sizeof(unsigned short) + (unsigned long)it->first.length() + 1);
215
216	// write the index
217	writeShorts(&it->second, 1);
218	// name
219	writeString(it->first);
220
221	++it;
222	}
223	}
224	//---------------------------------------------------------------------
225	void MeshSerializerImpl::writeSubMesh(const SubMesh* s)
226	{
227	// Header
228	writeChunkHeader(M_SUBMESH, calcSubMeshSize(s));
229
230	// char* materialName
231	writeString(s->getMaterialName());
232
233	// bool useSharedVertices
234	writeBools(&s->useSharedVertices, 1);
235
236	unsigned int indexCount = s->indexData->indexCount;
237	writeInts(&indexCount, 1);
238
239	// bool indexes32Bit
240	bool idx32bit = (s->indexData->indexBuffer->getType() == HardwareIndexBuffer::IT_32BIT);
241	writeBools(&idx32bit, 1);
242
243	// unsigned short* faceVertexIndices ((indexCount)
244	HardwareIndexBufferSharedPtr ibuf = s->indexData->indexBuffer;
245	void* pIdx = ibuf->lock(HardwareBuffer::HBL_READ_ONLY);
246	if (idx32bit)
247	{
248	unsigned int* pIdx32 = static_cast<unsigned int*>(pIdx);
249	writeInts(pIdx32, s->indexData->indexCount);
250	}
251	else
252	{
253	unsigned short* pIdx16 = static_cast<unsigned short*>(pIdx);
254	writeShorts(pIdx16, s->indexData->indexCount);
255	}
256	ibuf->unlock();
257
258	// M_GEOMETRY stream (Optional: present only if useSharedVertices = false)
259	if (!s->useSharedVertices)
260	{
261	writeGeometry(s->vertexData);
262	}
263
264	// end of sub mesh chunk
265
266	// write out texture alias chunks
267	writeSubMeshTextureAliases(s);
268
269	// Operation type
270	writeSubMeshOperation(s);
271
272	// Bone assignments
273	if (!s->mBoneAssignments.empty())
274	{
275	LogManager::getSingleton().logMessage("Exporting dedicated geometry bone assignments...");
276
277	SubMesh::VertexBoneAssignmentList::const_iterator vi;
278	for (vi = s->mBoneAssignments.begin();
279	vi != s->mBoneAssignments.end(); ++vi)
280	{
281	writeSubMeshBoneAssignment(vi->second);
282	}
283
284	LogManager::getSingleton().logMessage("Dedicated geometry bone assignments exported.");
285	}
286
287
288	}
289
290	//---------------------------------------------------------------------
291	void MeshSerializerImpl::writeSubMeshTextureAliases(const SubMesh* s)
292	{
293	size_t chunkSize;
294	AliasTextureNamePairList::const_iterator i;
295
296	LogManager::getSingleton().logMessage("Exporting submesh texture aliases...");
297
298	// iterate through texture aliases and write them out as a chunk
299	for (i = s->mTextureAliases.begin(); i != s->mTextureAliases.end(); ++i)
300	{
301	// calculate chunk size based on string length + 1. Add 1 for the line feed.
302	chunkSize = STREAM_OVERHEAD_SIZE + i->first.length() + i->second.length() + 2;
303	writeChunkHeader(M_SUBMESH_TEXTURE_ALIAS, chunkSize);
304	// write out alias name
305	writeString(i->first);
306	// write out texture name
307	writeString(i->second);
308	}
309
310	LogManager::getSingleton().logMessage("Submesh texture aliases exported.");
311	}
312
313	//---------------------------------------------------------------------
314	void MeshSerializerImpl::writeSubMeshOperation(const SubMesh* sm)
315	{
316	// Header
317	writeChunkHeader(M_SUBMESH_OPERATION, calcSubMeshOperationSize(sm));
318
319	// unsigned short operationType
320	unsigned short opType = static_cast<unsigned short>(sm->operationType);
321	writeShorts(&opType, 1);
322	}
323	//---------------------------------------------------------------------
324	void MeshSerializerImpl::writeGeometry(const VertexData* vertexData)
325	{
326	// calc size
327	const VertexDeclaration::VertexElementList& elemList =
328	vertexData->vertexDeclaration->getElements();
329	const VertexBufferBinding::VertexBufferBindingMap& bindings =
330	vertexData->vertexBufferBinding->getBindings();
331	VertexBufferBinding::VertexBufferBindingMap::const_iterator vbi, vbiend;
332
333	size_t size = STREAM_OVERHEAD_SIZE + sizeof(unsigned int) + // base
334	(STREAM_OVERHEAD_SIZE + elemList.size() * (STREAM_OVERHEAD_SIZE + sizeof(unsigned short) * 5)); // elements
335	vbiend = bindings.end();
336	for (vbi = bindings.begin(); vbi != vbiend; ++vbi)
337	{
338	const HardwareVertexBufferSharedPtr& vbuf = vbi->second;
339	size += (STREAM_OVERHEAD_SIZE * 2) + (sizeof(unsigned short) * 2) + vbuf->getSizeInBytes();
340	}
341
342	// Header
343	writeChunkHeader(M_GEOMETRY, size);
344
345	unsigned int vertexCount = vertexData->vertexCount;
346	writeInts(&vertexCount, 1);
347
348	// Vertex declaration
349	size = STREAM_OVERHEAD_SIZE + elemList.size() * (STREAM_OVERHEAD_SIZE + sizeof(unsigned short) * 5);
350	writeChunkHeader(M_GEOMETRY_VERTEX_DECLARATION, size);
351
352	VertexDeclaration::VertexElementList::const_iterator vei, veiend;
353	veiend = elemList.end();
354	unsigned short tmp;
355	size = STREAM_OVERHEAD_SIZE + sizeof(unsigned short) * 5;
356	for (vei = elemList.begin(); vei != veiend; ++vei)
357	{
358	const VertexElement& elem = *vei;
359	writeChunkHeader(M_GEOMETRY_VERTEX_ELEMENT, size);
360	// unsigned short source; // buffer bind source
361	tmp = elem.getSource();
362	writeShorts(&tmp, 1);
363	// unsigned short type; // VertexElementType
364	tmp = static_cast<unsigned short>(elem.getType());
365	writeShorts(&tmp, 1);
366	// unsigned short semantic; // VertexElementSemantic
367	tmp = static_cast<unsigned short>(elem.getSemantic());
368	writeShorts(&tmp, 1);
369	// unsigned short offset; // start offset in buffer in bytes
370	tmp = static_cast<unsigned short>(elem.getOffset());
371	writeShorts(&tmp, 1);
372	// unsigned short index; // index of the semantic (for colours and texture coords)
373	tmp = elem.getIndex();
374	writeShorts(&tmp, 1);
375
376	}
377
378	// Buffers and bindings
379	vbiend = bindings.end();
380	for (vbi = bindings.begin(); vbi != vbiend; ++vbi)
381	{
382	const HardwareVertexBufferSharedPtr& vbuf = vbi->second;
383	size = (STREAM_OVERHEAD_SIZE * 2) + (sizeof(unsigned short) * 2) + vbuf->getSizeInBytes();
384	writeChunkHeader(M_GEOMETRY_VERTEX_BUFFER, size);
385	// unsigned short bindIndex; // Index to bind this buffer to
386	tmp = vbi->first;
387	writeShorts(&tmp, 1);
388	// unsigned short vertexSize; // Per-vertex size, must agree with declaration at this index
389	tmp = (unsigned short)vbuf->getVertexSize();
390	writeShorts(&tmp, 1);
391
392	// Data
393	size = STREAM_OVERHEAD_SIZE + vbuf->getSizeInBytes();
394	writeChunkHeader(M_GEOMETRY_VERTEX_BUFFER_DATA, size);
395	void* pBuf = vbuf->lock(HardwareBuffer::HBL_READ_ONLY);
396
397	if (mFlipEndian)
398	{
399	// endian conversion
400	// Copy data
401	unsigned char* tempData = new unsigned char[vbuf->getSizeInBytes()];
402	memcpy(tempData, pBuf, vbuf->getSizeInBytes());
403	flipToLittleEndian(
404	tempData,
405	vertexData->vertexCount,
406	vbuf->getVertexSize(),
407	vertexData->vertexDeclaration->findElementsBySource(vbi->first));
408	writeData(tempData, vbuf->getVertexSize(), vertexData->vertexCount);
409	delete [] tempData;
410	}
411	else
412	{
413	writeData(pBuf, vbuf->getVertexSize(), vertexData->vertexCount);
414	}
415	vbuf->unlock();
416	}
417
418
419	}
420	//---------------------------------------------------------------------
421	size_t MeshSerializerImpl::calcSubMeshNameTableSize(const Mesh* pMesh)
422	{
423	size_t size = STREAM_OVERHEAD_SIZE;
424	// Figure out the size of the Name table.
425	// Iterate through the subMeshList & add up the size of the indexes and names.
426	Mesh::SubMeshNameMap::const_iterator it = pMesh->mSubMeshNameMap.begin();
427	while(it != pMesh->mSubMeshNameMap.end())
428	{
429	// size of the index + header size for each element chunk
430	size += STREAM_OVERHEAD_SIZE + sizeof(uint16);
431	// name
432	size += it->first.length() + 1;
433
434	++it;
435	}
436
437	// size of the sub-mesh name table.
438	return size;
439	}
440	//---------------------------------------------------------------------
441	size_t MeshSerializerImpl::calcMeshSize(const Mesh* pMesh)
442	{
443	size_t size = STREAM_OVERHEAD_SIZE;
444
445	// Num shared vertices
446	size += sizeof(uint32);
447
448	// Geometry
449	if (pMesh->sharedVertexData && pMesh->sharedVertexData->vertexCount > 0)
450	{
451	size += calcGeometrySize(pMesh->sharedVertexData);
452	}
453
454	// Submeshes
455	for (unsigned short i = 0; i < pMesh->getNumSubMeshes(); ++i)
456	{
457	size += calcSubMeshSize(pMesh->getSubMesh(i));
458	}
459
460	// Skeleton link
461	if (pMesh->hasSkeleton())
462	{
463	size += calcSkeletonLinkSize(pMesh->getSkeletonName());
464	}
465
466	// Submesh name table
467	size += calcSubMeshNameTableSize(pMesh);
468
469	// Edge list
470	if (pMesh->isEdgeListBuilt())
471	{
472	size += calcEdgeListSize(pMesh);
473	}
474
475	// Animations
476	for (unsigned short a = 0; a < pMesh->getNumAnimations(); ++a)
477	{
478	Animation* anim = pMesh->getAnimation(a);
479	size += calcAnimationSize(anim);
480	}
481
482	return size;
483	}
484	//---------------------------------------------------------------------
485	size_t MeshSerializerImpl::calcSubMeshSize(const SubMesh* pSub)
486	{
487	size_t size = STREAM_OVERHEAD_SIZE;
488
489	// Material name
490	size += pSub->getMaterialName().length() + 1;
491
492	// bool useSharedVertices
493	size += sizeof(bool);
494	// unsigned int indexCount
495	size += sizeof(unsigned int);
496	// bool indexes32bit
497	size += sizeof(bool);
498	// unsigned int* faceVertexIndices
499	size += sizeof(unsigned int) * pSub->indexData->indexCount;
500
501	// Geometry
502	if (!pSub->useSharedVertices)
503	{
504	size += calcGeometrySize(pSub->vertexData);
505	}
506
507	size += calcSubMeshTextureAliasesSize(pSub);
508	size += calcSubMeshOperationSize(pSub);
509
510	// Bone assignments
511	if (!pSub->mBoneAssignments.empty())
512	{
513	SubMesh::VertexBoneAssignmentList::const_iterator vi;
514	for (vi = pSub->mBoneAssignments.begin();
515	vi != pSub->mBoneAssignments.end(); ++vi)
516	{
517	size += calcBoneAssignmentSize();
518	}
519	}
520
521	return size;
522	}
523	//---------------------------------------------------------------------
524	size_t MeshSerializerImpl::calcSubMeshOperationSize(const SubMesh* pSub)
525	{
526	return STREAM_OVERHEAD_SIZE + sizeof(uint16);
527	}
528	//---------------------------------------------------------------------
529	size_t MeshSerializerImpl::calcSubMeshTextureAliasesSize(const SubMesh* pSub)
530	{
531	size_t chunkSize = 0;
532	AliasTextureNamePairList::const_iterator i;
533
534	// iterate through texture alias map and calc size of strings
535	for (i = pSub->mTextureAliases.begin(); i != pSub->mTextureAliases.end(); ++i)
536	{
537	// calculate chunk size based on string length + 1. Add 1 for the line feed.
538	chunkSize += STREAM_OVERHEAD_SIZE + i->first.length() + i->second.length() + 2;
539	}
540
541	return chunkSize;
542	}
543	//---------------------------------------------------------------------
544	size_t MeshSerializerImpl::calcGeometrySize(const VertexData* vertexData)
545	{
546	size_t size = STREAM_OVERHEAD_SIZE;
547
548	// Num vertices
549	size += sizeof(unsigned int);
550
551	const VertexDeclaration::VertexElementList& elems =
552	vertexData->vertexDeclaration->getElements();
553
554	VertexDeclaration::VertexElementList::const_iterator i, iend;
555	iend = elems.end();
556	for (i = elems.begin(); i != iend; ++i)
557	{
558	const VertexElement& elem = *i;
559	// Vertex element
560	size += VertexElement::getTypeSize(elem.getType()) * vertexData->vertexCount;
561	}
562	return size;
563	}
564	//---------------------------------------------------------------------
565	void MeshSerializerImpl::readGeometry(DataStreamPtr& stream, Mesh* pMesh,
566	VertexData* dest)
567	{
568
569	dest->vertexStart = 0;
570
571	unsigned int vertexCount = 0;
572	readInts(stream, &vertexCount, 1);
573	dest->vertexCount = vertexCount;
574
575	// Find optional geometry streams
576	if (!stream->eof())
577	{
578	unsigned short streamID = readChunk(stream);
579	while(!stream->eof() &&
580	(streamID == M_GEOMETRY_VERTEX_DECLARATION \|\|
581	streamID == M_GEOMETRY_VERTEX_BUFFER ))
582	{
583	switch (streamID)
584	{
585	case M_GEOMETRY_VERTEX_DECLARATION:
586	readGeometryVertexDeclaration(stream, pMesh, dest);
587	break;
588	case M_GEOMETRY_VERTEX_BUFFER:
589	readGeometryVertexBuffer(stream, pMesh, dest);
590	break;
591	}
592	// Get next stream
593	if (!stream->eof())
594	{
595	streamID = readChunk(stream);
596	}
597	}
598	if (!stream->eof())
599	{
600	// Backpedal back to start of non-submesh stream
601	stream->skip(-STREAM_OVERHEAD_SIZE);
602	}
603	}
604
605	// Perform any necessary colour conversion for an active rendersystem
606	if (Root::getSingletonPtr() && Root::getSingleton().getRenderSystem())
607	{
608	// We don't know the source type if it's VET_COLOUR, but assume ARGB
609	// since that's the most common. Won't get used unless the mesh is
610	// ambiguous anyway, which will have been warned about in the log
611	dest->convertPackedColour(VET_COLOUR_ARGB,
612	VertexElement::getBestColourVertexElementType());
613	}
614	}
615	//---------------------------------------------------------------------
616	void MeshSerializerImpl::readGeometryVertexDeclaration(DataStreamPtr& stream,
617	Mesh* pMesh, VertexData* dest)
618	{
619	// Find optional geometry streams
620	if (!stream->eof())
621	{
622	unsigned short streamID = readChunk(stream);
623	while(!stream->eof() &&
624	(streamID == M_GEOMETRY_VERTEX_ELEMENT ))
625	{
626	switch (streamID)
627	{
628	case M_GEOMETRY_VERTEX_ELEMENT:
629	readGeometryVertexElement(stream, pMesh, dest);
630	break;
631	}
632	// Get next stream
633	if (!stream->eof())
634	{
635	streamID = readChunk(stream);
636	}
637	}
638	if (!stream->eof())
639	{
640	// Backpedal back to start of non-submesh stream
641	stream->skip(-STREAM_OVERHEAD_SIZE);
642	}
643	}
644
645	}
646	//---------------------------------------------------------------------
647	void MeshSerializerImpl::readGeometryVertexElement(DataStreamPtr& stream,
648	Mesh* pMesh, VertexData* dest)
649	{
650	unsigned short source, offset, index, tmp;
651	VertexElementType vType;
652	VertexElementSemantic vSemantic;
653	// unsigned short source; // buffer bind source
654	readShorts(stream, &source, 1);
655	// unsigned short type; // VertexElementType
656	readShorts(stream, &tmp, 1);
657	vType = static_cast<VertexElementType>(tmp);
658	// unsigned short semantic; // VertexElementSemantic
659	readShorts(stream, &tmp, 1);
660	vSemantic = static_cast<VertexElementSemantic>(tmp);
661	// unsigned short offset; // start offset in buffer in bytes
662	readShorts(stream, &offset, 1);
663	// unsigned short index; // index of the semantic
664	readShorts(stream, &index, 1);
665
666	dest->vertexDeclaration->addElement(source, offset, vType, vSemantic, index);
667
668	if (vType == VET_COLOUR)
669	{
670	StringUtil::StrStreamType s;
671	s << "Warning: VET_COLOUR element type is deprecated, you should use "
672	<< "one of the more specific types to indicate the byte order. "
673	<< "Use OgreMeshUpgrade on " << pMesh->getName() << " as soon as possible. ";
674	LogManager::getSingleton().logMessage(s.str());
675	}
676
677	}
678	//---------------------------------------------------------------------
679	void MeshSerializerImpl::readGeometryVertexBuffer(DataStreamPtr& stream,
680	Mesh* pMesh, VertexData* dest)
681	{
682	unsigned short bindIndex, vertexSize;
683	// unsigned short bindIndex; // Index to bind this buffer to
684	readShorts(stream, &bindIndex, 1);
685	// unsigned short vertexSize; // Per-vertex size, must agree with declaration at this index
686	readShorts(stream, &vertexSize, 1);
687
688	// Check for vertex data header
689	unsigned short headerID;
690	headerID = readChunk(stream);
691	if (headerID != M_GEOMETRY_VERTEX_BUFFER_DATA)
692	{
693	OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, "Can't find vertex buffer data area",
694	"MeshSerializerImpl::readGeometryVertexBuffer");
695	}
696	// Check that vertex size agrees
697	if (dest->vertexDeclaration->getVertexSize(bindIndex) != vertexSize)
698	{
699	OGRE_EXCEPT(Exception::ERR_INTERNAL_ERROR, "Buffer vertex size does not agree with vertex declaration",
700	"MeshSerializerImpl::readGeometryVertexBuffer");
701	}
702
703	// Create / populate vertex buffer
704	HardwareVertexBufferSharedPtr vbuf;
705	vbuf = HardwareBufferManager::getSingleton().createVertexBuffer(
706	vertexSize,
707	dest->vertexCount,
708	pMesh->mVertexBufferUsage,
709	pMesh->mVertexBufferShadowBuffer);
710	void* pBuf = vbuf->lock(HardwareBuffer::HBL_DISCARD);
711	stream->read(pBuf, dest->vertexCount * vertexSize);
712
713	// endian conversion for OSX
714	flipFromLittleEndian(
715	pBuf,
716	dest->vertexCount,
717	vertexSize,
718	dest->vertexDeclaration->findElementsBySource(bindIndex));
719	vbuf->unlock();
720
721	// Set binding
722	dest->vertexBufferBinding->setBinding(bindIndex, vbuf);
723
724	}
725	//---------------------------------------------------------------------
726	void MeshSerializerImpl::readSubMeshNameTable(DataStreamPtr& stream, Mesh* pMesh)
727	{
728	// The map for
729	std::map<unsigned short, String> subMeshNames;
730	unsigned short streamID, subMeshIndex;
731
732	// Need something to store the index, and the objects name
733	// This table is a method that imported meshes can retain their naming
734	// so that the names established in the modelling software can be used
735	// to get the sub-meshes by name. The exporter must support exporting
736	// the optional stream M_SUBMESH_NAME_TABLE.
737
738	// Read in all the sub-streams. Each sub-stream should contain an index and Ogre::String for the name.
739	if (!stream->eof())
740	{
741	streamID = readChunk(stream);
742	while(!stream->eof() && (streamID == M_SUBMESH_NAME_TABLE_ELEMENT ))
743	{
744	// Read in the index of the submesh.
745	readShorts(stream, &subMeshIndex, 1);
746	// Read in the String and map it to its index.
747	subMeshNames[subMeshIndex] = readString(stream);
748
749	// If we're not end of file get the next stream ID
750	if (!stream->eof())
751	streamID = readChunk(stream);
752	}
753	if (!stream->eof())
754	{
755	// Backpedal back to start of stream
756	stream->skip(-STREAM_OVERHEAD_SIZE);
757	}
758	}
759
760	// Set all the submeshes names
761	// ?
762
763	// Loop through and save out the index and names.
764	std::map<unsigned short, String>::const_iterator it = subMeshNames.begin();
765
766	while(it != subMeshNames.end())
767	{
768	// Name this submesh to the stored name.
769	pMesh->nameSubMesh(it->second, it->first);
770	++it;
771	}
772
773
774
775	}
776	//---------------------------------------------------------------------
777	void MeshSerializerImpl::readMesh(DataStreamPtr& stream, Mesh* pMesh)
778	{
779	unsigned short streamID;
780
781	// Never automatically build edge lists for this version
782	// expect them in the file or not at all
783	pMesh->mAutoBuildEdgeLists = false;
784
785	// bool skeletallyAnimated
786	readBools(stream, &mIsSkeletallyAnimated, 1);
787
788	// Find all substreams
789	if (!stream->eof())
790	{
791	streamID = readChunk(stream);
792	while(!stream->eof() &&
793	(streamID == M_GEOMETRY \|\|
794	streamID == M_SUBMESH \|\|
795	streamID == M_MESH_SKELETON_LINK \|\|
796	streamID == M_MESH_BONE_ASSIGNMENT \|\|
797	streamID == M_MESH_LOD \|\|
798	streamID == M_MESH_BOUNDS \|\|
799	streamID == M_SUBMESH_NAME_TABLE \|\|
800	streamID == M_EDGE_LISTS \|\|
801	streamID == M_POSES \|\|
802	streamID == M_ANIMATIONS))
803	{
804	switch(streamID)
805	{
806	case M_GEOMETRY:
807	pMesh->sharedVertexData = new VertexData();
808	try {
809	readGeometry(stream, pMesh, pMesh->sharedVertexData);
810	}
811	catch (Exception& e)
812	{
813	if (e.getNumber() == Exception::ERR_ITEM_NOT_FOUND)
814	{
815	// duff geometry data entry with 0 vertices
816	delete pMesh->sharedVertexData;
817	pMesh->sharedVertexData = 0;
818	// Skip this stream (pointer will have been returned to just after header)
819	stream->skip(mCurrentstreamLen - STREAM_OVERHEAD_SIZE);
820	}
821	else
822	{
823	throw;
824	}
825	}
826	break;
827	case M_SUBMESH:
828	readSubMesh(stream, pMesh);
829	break;
830	case M_MESH_SKELETON_LINK:
831	readSkeletonLink(stream, pMesh);
832	break;
833	case M_MESH_BONE_ASSIGNMENT:
834	readMeshBoneAssignment(stream, pMesh);
835	break;
836	case M_MESH_LOD:
837	readMeshLodInfo(stream, pMesh);
838	break;
839	case M_MESH_BOUNDS:
840	readBoundsInfo(stream, pMesh);
841	break;
842	case M_SUBMESH_NAME_TABLE:
843	readSubMeshNameTable(stream, pMesh);
844	break;
845	case M_EDGE_LISTS:
846	readEdgeList(stream, pMesh);
847	break;
848	case M_POSES:
849	readPoses(stream, pMesh);
850	break;
851	case M_ANIMATIONS:
852	readAnimations(stream, pMesh);
853	break;
854
855	}
856
857	if (!stream->eof())
858	{
859	streamID = readChunk(stream);
860	}
861
862	}
863	if (!stream->eof())
864	{
865	// Backpedal back to start of stream
866	stream->skip(-STREAM_OVERHEAD_SIZE);
867	}
868	}
869
870	}
871	//---------------------------------------------------------------------
872	void MeshSerializerImpl::readSubMesh(DataStreamPtr& stream, Mesh* pMesh)
873	{
874	unsigned short streamID;
875
876	SubMesh* sm = pMesh->createSubMesh();
877	// char* materialName
878	String materialName = readString(stream);
879	sm->setMaterialName(materialName);
880	// bool useSharedVertices
881	readBools(stream,&sm->useSharedVertices, 1);
882
883	sm->indexData->indexStart = 0;
884	unsigned int indexCount = 0;
885	readInts(stream, &indexCount, 1);
886	sm->indexData->indexCount = indexCount;
887
888	HardwareIndexBufferSharedPtr ibuf;
889	// bool indexes32Bit
890	bool idx32bit;
891	readBools(stream, &idx32bit, 1);
892	if (idx32bit)
893	{
894	ibuf = HardwareBufferManager::getSingleton().
895	createIndexBuffer(
896	HardwareIndexBuffer::IT_32BIT,
897	sm->indexData->indexCount,
898	pMesh->mIndexBufferUsage,
899	pMesh->mIndexBufferShadowBuffer);
900	// unsigned int* faceVertexIndices
901	unsigned int* pIdx = static_cast<unsigned int*>(
902	ibuf->lock(HardwareBuffer::HBL_DISCARD)
903	);
904	readInts(stream, pIdx, sm->indexData->indexCount);
905	ibuf->unlock();
906
907	}
908	else // 16-bit
909	{
910	ibuf = HardwareBufferManager::getSingleton().
911	createIndexBuffer(
912	HardwareIndexBuffer::IT_16BIT,
913	sm->indexData->indexCount,
914	pMesh->mIndexBufferUsage,
915	pMesh->mIndexBufferShadowBuffer);
916	// unsigned short* faceVertexIndices
917	unsigned short* pIdx = static_cast<unsigned short*>(
918	ibuf->lock(HardwareBuffer::HBL_DISCARD)
919	);
920	readShorts(stream, pIdx, sm->indexData->indexCount);
921	ibuf->unlock();
922	}
923	sm->indexData->indexBuffer = ibuf;
924
925	// M_GEOMETRY stream (Optional: present only if useSharedVertices = false)
926	if (!sm->useSharedVertices)
927	{
928	streamID = readChunk(stream);
929	if (streamID != M_GEOMETRY)
930	{
931	OGRE_EXCEPT(Exception::ERR_INTERNAL_ERROR, "Missing geometry data in mesh file",
932	"MeshSerializerImpl::readSubMesh");
933	}
934	sm->vertexData = new VertexData();
935	readGeometry(stream, pMesh, sm->vertexData);
936	}
937
938
939	// Find all bone assignments, submesh operation, and texture aliases (if present)
940	if (!stream->eof())
941	{
942	streamID = readChunk(stream);
943	while(!stream->eof() &&
944	(streamID == M_SUBMESH_BONE_ASSIGNMENT \|\|
945	streamID == M_SUBMESH_OPERATION \|\|
946	streamID == M_SUBMESH_TEXTURE_ALIAS))
947	{
948	switch(streamID)
949	{
950	case M_SUBMESH_OPERATION:
951	readSubMeshOperation(stream, pMesh, sm);
952	break;
953	case M_SUBMESH_BONE_ASSIGNMENT:
954	readSubMeshBoneAssignment(stream, pMesh, sm);
955	break;
956	case M_SUBMESH_TEXTURE_ALIAS:
957	readSubMeshTextureAlias(stream, pMesh, sm);
958	break;
959	}
960
961	if (!stream->eof())
962	{
963	streamID = readChunk(stream);
964	}
965
966	}
967	if (!stream->eof())
968	{
969	// Backpedal back to start of stream
970	stream->skip(-STREAM_OVERHEAD_SIZE);
971	}
972	}
973
974
975	}
976	//---------------------------------------------------------------------
977	void MeshSerializerImpl::readSubMeshOperation(DataStreamPtr& stream,
978	Mesh* pMesh, SubMesh* sm)
979	{
980	// unsigned short operationType
981	unsigned short opType;
982	readShorts(stream, &opType, 1);
983	sm->operationType = static_cast<RenderOperation::OperationType>(opType);
984	}
985	//---------------------------------------------------------------------
986	void MeshSerializerImpl::readSubMeshTextureAlias(DataStreamPtr& stream, Mesh* pMesh, SubMesh* sub)
987	{
988	String aliasName = readString(stream);
989	String textureName = readString(stream);
990	sub->addTextureAlias(aliasName, textureName);
991	}
992	//---------------------------------------------------------------------
993	void MeshSerializerImpl::writeSkeletonLink(const String& skelName)
994	{
995	writeChunkHeader(M_MESH_SKELETON_LINK, calcSkeletonLinkSize(skelName));
996
997	writeString(skelName);
998
999	}
1000	//---------------------------------------------------------------------
1001	void MeshSerializerImpl::readSkeletonLink(DataStreamPtr& stream, Mesh* pMesh)
1002	{
1003	String skelName = readString(stream);
1004	pMesh->setSkeletonName(skelName);
1005	}
1006	//---------------------------------------------------------------------
1007	void MeshSerializerImpl::readTextureLayer(DataStreamPtr& stream, Mesh* pMesh,
1008	MaterialPtr& pMat)
1009	{
1010	// Material definition section phased out of 1.1
1011	}
1012	//---------------------------------------------------------------------
1013	size_t MeshSerializerImpl::calcSkeletonLinkSize(const String& skelName)
1014	{
1015	size_t size = STREAM_OVERHEAD_SIZE;
1016
1017	size += skelName.length() + 1;
1018
1019	return size;
1020
1021	}
1022	//---------------------------------------------------------------------
1023	void MeshSerializerImpl::writeMeshBoneAssignment(const VertexBoneAssignment& assign)
1024	{
1025	writeChunkHeader(M_MESH_BONE_ASSIGNMENT, calcBoneAssignmentSize());
1026
1027	// unsigned int vertexIndex;
1028	writeInts(&(assign.vertexIndex), 1);
1029	// unsigned short boneIndex;
1030	writeShorts(&(assign.boneIndex), 1);
1031	// float weight;
1032	writeFloats(&(assign.weight), 1);
1033	}
1034	//---------------------------------------------------------------------
1035	void MeshSerializerImpl::writeSubMeshBoneAssignment(const VertexBoneAssignment& assign)
1036	{
1037	writeChunkHeader(M_SUBMESH_BONE_ASSIGNMENT, calcBoneAssignmentSize());
1038
1039	// unsigned int vertexIndex;
1040	writeInts(&(assign.vertexIndex), 1);
1041	// unsigned short boneIndex;
1042	writeShorts(&(assign.boneIndex), 1);
1043	// float weight;
1044	writeFloats(&(assign.weight), 1);
1045	}
1046	//---------------------------------------------------------------------
1047	void MeshSerializerImpl::readMeshBoneAssignment(DataStreamPtr& stream, Mesh* pMesh)
1048	{
1049	VertexBoneAssignment assign;
1050
1051	// unsigned int vertexIndex;
1052	readInts(stream, &(assign.vertexIndex),1);
1053	// unsigned short boneIndex;
1054	readShorts(stream, &(assign.boneIndex),1);
1055	// float weight;
1056	readFloats(stream, &(assign.weight), 1);
1057
1058	pMesh->addBoneAssignment(assign);
1059
1060	}
1061	//---------------------------------------------------------------------
1062	void MeshSerializerImpl::readSubMeshBoneAssignment(DataStreamPtr& stream,
1063	Mesh* pMesh, SubMesh* sub)
1064	{
1065	VertexBoneAssignment assign;
1066
1067	// unsigned int vertexIndex;
1068	readInts(stream, &(assign.vertexIndex),1);
1069	// unsigned short boneIndex;
1070	readShorts(stream, &(assign.boneIndex),1);
1071	// float weight;
1072	readFloats(stream, &(assign.weight), 1);
1073
1074	sub->addBoneAssignment(assign);
1075
1076	}
1077	//---------------------------------------------------------------------
1078	size_t MeshSerializerImpl::calcBoneAssignmentSize(void)
1079	{
1080	size_t size = STREAM_OVERHEAD_SIZE;
1081
1082	// Vert index
1083	size += sizeof(unsigned int);
1084	// Bone index
1085	size += sizeof(unsigned short);
1086	// weight
1087	size += sizeof(float);
1088
1089	return size;
1090	}
1091	//---------------------------------------------------------------------
1092	void MeshSerializerImpl::writeLodInfo(const Mesh* pMesh)
1093	{
1094	unsigned short numLods = pMesh->getNumLodLevels();
1095	bool manual = pMesh->isLodManual();
1096	writeLodSummary(numLods, manual);
1097
1098	// Loop from LOD 1 (not 0, this is full detail)
1099	for (unsigned short i = 1; i < numLods; ++i)
1100	{
1101	const MeshLodUsage& usage = pMesh->getLodLevel(i);
1102	if (manual)
1103	{
1104	writeLodUsageManual(usage);
1105	}
1106	else
1107	{
1108	writeLodUsageGenerated(pMesh, usage, i);
1109	}
1110
1111	}
1112
1113
1114	}
1115	//---------------------------------------------------------------------
1116	void MeshSerializerImpl::writeLodSummary(unsigned short numLevels, bool manual)
1117	{
1118	// Header
1119	size_t size = STREAM_OVERHEAD_SIZE;
1120	// unsigned short numLevels;
1121	size += sizeof(unsigned short);
1122	// bool manual; (true for manual alternate meshes, false for generated)
1123	size += sizeof(bool);
1124	writeChunkHeader(M_MESH_LOD, size);
1125
1126	// Details
1127	// unsigned short numLevels;
1128	writeShorts(&numLevels, 1);
1129	// bool manual; (true for manual alternate meshes, false for generated)
1130	writeBools(&manual, 1);
1131
1132
1133	}
1134	//---------------------------------------------------------------------
1135	void MeshSerializerImpl::writeLodUsageManual(const MeshLodUsage& usage)
1136	{
1137	// Header
1138	size_t size = STREAM_OVERHEAD_SIZE;
1139	size_t manualSize = STREAM_OVERHEAD_SIZE;
1140	// float fromDepthSquared;
1141	size += sizeof(float);
1142	// Manual part size
1143
1144	// String manualMeshName;
1145	manualSize += usage.manualName.length() + 1;
1146
1147	size += manualSize;
1148
1149	writeChunkHeader(M_MESH_LOD_USAGE, size);
1150	writeFloats(&(usage.fromDepthSquared), 1);
1151
1152	writeChunkHeader(M_MESH_LOD_MANUAL, manualSize);
1153	writeString(usage.manualName);
1154
1155
1156	}
1157	//---------------------------------------------------------------------
1158	void MeshSerializerImpl::writeLodUsageGenerated(const Mesh* pMesh, const MeshLodUsage& usage,
1159	unsigned short lodNum)
1160	{
1161	// Usage Header
1162	size_t size = STREAM_OVERHEAD_SIZE;
1163	unsigned short subidx;
1164
1165	// float fromDepthSquared;
1166	size += sizeof(float);
1167
1168	// Calc generated SubMesh sections size
1169	for(subidx = 0; subidx < pMesh->getNumSubMeshes(); ++subidx)
1170	{
1171	// header
1172	size += STREAM_OVERHEAD_SIZE;
1173	// unsigned int numFaces;
1174	size += sizeof(unsigned int);
1175	SubMesh* sm = pMesh->getSubMesh(subidx);
1176	const IndexData* indexData = sm->mLodFaceList[lodNum - 1];
1177
1178	// bool indexes32Bit
1179	size += sizeof(bool);
1180	// unsigned short/int faceIndexes;
1181	if (indexData->indexBuffer->getType() == HardwareIndexBuffer::IT_32BIT)
1182	{
1183	size += static_cast<unsigned long>(
1184	sizeof(unsigned int) * indexData->indexCount);
1185	}
1186	else
1187	{
1188	size += static_cast<unsigned long>(
1189	sizeof(unsigned short) * indexData->indexCount);
1190	}
1191
1192	}
1193
1194	writeChunkHeader(M_MESH_LOD_USAGE, size);
1195	writeFloats(&(usage.fromDepthSquared), 1);
1196
1197	// Now write sections
1198	// Calc generated SubMesh sections size
1199	for(subidx = 0; subidx < pMesh->getNumSubMeshes(); ++subidx)
1200	{
1201	size = STREAM_OVERHEAD_SIZE;
1202	// unsigned int numFaces;
1203	size += sizeof(unsigned int);
1204	SubMesh* sm = pMesh->getSubMesh(subidx);
1205	const IndexData* indexData = sm->mLodFaceList[lodNum - 1];
1206	// bool indexes32Bit
1207	size += sizeof(bool);
1208	// unsigned short/int faceIndexes;
1209	if (indexData->indexBuffer->getType() == HardwareIndexBuffer::IT_32BIT)
1210	{
1211	size += static_cast<unsigned long>(
1212	sizeof(unsigned int) * indexData->indexCount);
1213	}
1214	else
1215	{
1216	size += static_cast<unsigned long>(
1217	sizeof(unsigned short) * indexData->indexCount);
1218	}
1219
1220	writeChunkHeader(M_MESH_LOD_GENERATED, size);
1221	unsigned int idxCount = static_cast<unsigned int>(indexData->indexCount);
1222	writeInts(&idxCount, 1);
1223	// Lock index buffer to write
1224	HardwareIndexBufferSharedPtr ibuf = indexData->indexBuffer;
1225	// bool indexes32bit
1226	bool idx32 = (ibuf->getType() == HardwareIndexBuffer::IT_32BIT);
1227	writeBools(&idx32, 1);
1228	if (idx32)
1229	{
1230	unsigned int* pIdx = static_cast<unsigned int*>(
1231	ibuf->lock(HardwareBuffer::HBL_READ_ONLY));
1232	writeInts(pIdx, indexData->indexCount);
1233	ibuf->unlock();
1234	}
1235	else
1236	{
1237	unsigned short* pIdx = static_cast<unsigned short*>(
1238	ibuf->lock(HardwareBuffer::HBL_READ_ONLY));
1239	writeShorts(pIdx, indexData->indexCount);
1240	ibuf->unlock();
1241	}
1242	}
1243
1244
1245	}
1246	//---------------------------------------------------------------------
1247	void MeshSerializerImpl::writeBoundsInfo(const Mesh* pMesh)
1248	{
1249	// Usage Header
1250	unsigned long size = STREAM_OVERHEAD_SIZE;
1251
1252	size += sizeof(float) * 7;
1253	writeChunkHeader(M_MESH_BOUNDS, size);
1254
1255	// float minx, miny, minz
1256	const Vector3& min = pMesh->mAABB.getMinimum();
1257	const Vector3& max = pMesh->mAABB.getMaximum();
1258	writeFloats(&min.x, 1);
1259	writeFloats(&min.y, 1);
1260	writeFloats(&min.z, 1);
1261	// float maxx, maxy, maxz
1262	writeFloats(&max.x, 1);
1263	writeFloats(&max.y, 1);
1264	writeFloats(&max.z, 1);
1265	// float radius
1266	writeFloats(&pMesh->mBoundRadius, 1);
1267
1268	}
1269	//---------------------------------------------------------------------
1270	void MeshSerializerImpl::readBoundsInfo(DataStreamPtr& stream, Mesh* pMesh)
1271	{
1272	Vector3 min, max;
1273	// float minx, miny, minz
1274	readFloats(stream, &min.x, 1);
1275	readFloats(stream, &min.y, 1);
1276	readFloats(stream, &min.z, 1);
1277	// float maxx, maxy, maxz
1278	readFloats(stream, &max.x, 1);
1279	readFloats(stream, &max.y, 1);
1280	readFloats(stream, &max.z, 1);
1281	AxisAlignedBox box(min, max);
1282	pMesh->_setBounds(box, true);
1283	// float radius
1284	float radius;
1285	readFloats(stream, &radius, 1);
1286	pMesh->_setBoundingSphereRadius(radius);
1287
1288
1289
1290	}
1291	//---------------------------------------------------------------------
1292	void MeshSerializerImpl::readMeshLodInfo(DataStreamPtr& stream, Mesh* pMesh)
1293	{
1294	unsigned short streamID, i;
1295
1296	// unsigned short numLevels;
1297	readShorts(stream, &(pMesh->mNumLods), 1);
1298	// bool manual; (true for manual alternate meshes, false for generated)
1299	readBools(stream, &(pMesh->mIsLodManual), 1);
1300
1301	// Preallocate submesh lod face data if not manual
1302	if (!pMesh->mIsLodManual)
1303	{
1304	unsigned short numsubs = pMesh->getNumSubMeshes();
1305	for (i = 0; i < numsubs; ++i)
1306	{
1307	SubMesh* sm = pMesh->getSubMesh(i);
1308	sm->mLodFaceList.resize(pMesh->mNumLods-1);
1309	}
1310	}
1311
1312	// Loop from 1 rather than 0 (full detail index is not in file)
1313	for (i = 1; i < pMesh->mNumLods; ++i)
1314	{
1315	streamID = readChunk(stream);
1316	if (streamID != M_MESH_LOD_USAGE)
1317	{
1318	OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND,
1319	"Missing M_MESH_LOD_USAGE stream in " + pMesh->getName(),
1320	"MeshSerializerImpl::readMeshLodInfo");
1321	}
1322	// Read depth
1323	MeshLodUsage usage;
1324	readFloats(stream, &(usage.fromDepthSquared), 1);
1325
1326	if (pMesh->isLodManual())
1327	{
1328	readMeshLodUsageManual(stream, pMesh, i, usage);
1329	}
1330	else //(!pMesh->isLodManual)
1331	{
1332	readMeshLodUsageGenerated(stream, pMesh, i, usage);
1333	}
1334	usage.edgeData = NULL;
1335
1336	// Save usage
1337	pMesh->mMeshLodUsageList.push_back(usage);
1338	}
1339
1340
1341	}
1342	//---------------------------------------------------------------------
1343	void MeshSerializerImpl::readMeshLodUsageManual(DataStreamPtr& stream,
1344	Mesh* pMesh, unsigned short lodNum, MeshLodUsage& usage)
1345	{
1346	unsigned long streamID;
1347	// Read detail stream
1348	streamID = readChunk(stream);
1349	if (streamID != M_MESH_LOD_MANUAL)
1350	{
1351	OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND,
1352	"Missing M_MESH_LOD_MANUAL stream in " + pMesh->getName(),
1353	"MeshSerializerImpl::readMeshLodUsageManual");
1354	}
1355
1356	usage.manualName = readString(stream);
1357	usage.manualMesh.setNull(); // will trigger load later
1358	}
1359	//---------------------------------------------------------------------
1360	void MeshSerializerImpl::readMeshLodUsageGenerated(DataStreamPtr& stream,
1361	Mesh* pMesh, unsigned short lodNum, MeshLodUsage& usage)
1362	{
1363	usage.manualName = "";
1364	usage.manualMesh.setNull();
1365
1366	// Get one set of detail per SubMesh
1367	unsigned short numSubs, i;
1368	unsigned long streamID;
1369	numSubs = pMesh->getNumSubMeshes();
1370	for (i = 0; i < numSubs; ++i)
1371	{
1372	streamID = readChunk(stream);
1373	if (streamID != M_MESH_LOD_GENERATED)
1374	{
1375	OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND,
1376	"Missing M_MESH_LOD_GENERATED stream in " + pMesh->getName(),
1377	"MeshSerializerImpl::readMeshLodUsageGenerated");
1378	}
1379
1380	SubMesh* sm = pMesh->getSubMesh(i);
1381	// lodNum - 1 because SubMesh doesn't store full detail LOD
1382	sm->mLodFaceList[lodNum - 1] = new IndexData();
1383	IndexData* indexData = sm->mLodFaceList[lodNum - 1];
1384	// unsigned int numIndexes
1385	unsigned int numIndexes;
1386	readInts(stream, &numIndexes, 1);
1387	indexData->indexCount = static_cast<size_t>(numIndexes);
1388	// bool indexes32Bit
1389	bool idx32Bit;
1390	readBools(stream, &idx32Bit, 1);
1391	// unsigned short/int faceIndexes; ((v1, v2, v3) * numFaces)
1392	if (idx32Bit)
1393	{
1394	indexData->indexBuffer = HardwareBufferManager::getSingleton().
1395	createIndexBuffer(HardwareIndexBuffer::IT_32BIT, indexData->indexCount,
1396	pMesh->mIndexBufferUsage, pMesh->mIndexBufferShadowBuffer);
1397	unsigned int* pIdx = static_cast<unsigned int*>(
1398	indexData->indexBuffer->lock(
1399	0,
1400	indexData->indexBuffer->getSizeInBytes(),
1401	HardwareBuffer::HBL_DISCARD) );
1402
1403	readInts(stream, pIdx, indexData->indexCount);
1404	indexData->indexBuffer->unlock();
1405
1406	}
1407	else
1408	{
1409	indexData->indexBuffer = HardwareBufferManager::getSingleton().
1410	createIndexBuffer(HardwareIndexBuffer::IT_16BIT, indexData->indexCount,
1411	pMesh->mIndexBufferUsage, pMesh->mIndexBufferShadowBuffer);
1412	unsigned short* pIdx = static_cast<unsigned short*>(
1413	indexData->indexBuffer->lock(
1414	0,
1415	indexData->indexBuffer->getSizeInBytes(),
1416	HardwareBuffer::HBL_DISCARD) );
1417	readShorts(stream, pIdx, indexData->indexCount);
1418	indexData->indexBuffer->unlock();
1419
1420	}
1421
1422	}
1423	}
1424	//---------------------------------------------------------------------
1425	void MeshSerializerImpl::flipFromLittleEndian(void* pData, size_t vertexCount,
1426	size_t vertexSize, const VertexDeclaration::VertexElementList& elems)
1427	{
1428	if (mFlipEndian)
1429	{
1430	flipEndian(pData, vertexCount, vertexSize, elems);
1431	}
1432	}
1433	//---------------------------------------------------------------------
1434	void MeshSerializerImpl::flipToLittleEndian(void* pData, size_t vertexCount,
1435	size_t vertexSize, const VertexDeclaration::VertexElementList& elems)
1436	{
1437	if (mFlipEndian)
1438	{
1439	flipEndian(pData, vertexCount, vertexSize, elems);
1440	}
1441	}
1442	//---------------------------------------------------------------------
1443	void MeshSerializerImpl::flipEndian(void* pData, size_t vertexCount,
1444	size_t vertexSize, const VertexDeclaration::VertexElementList& elems)
1445	{
1446	void *pBase = pData;
1447	for (size_t v = 0; v < vertexCount; ++v)
1448	{
1449	VertexDeclaration::VertexElementList::const_iterator ei, eiend;
1450	eiend = elems.end();
1451	for (ei = elems.begin(); ei != eiend; ++ei)
1452	{
1453	void *pElem;
1454	// re-base pointer to the element
1455	(*ei).baseVertexPointerToElement(pBase, &pElem);
1456	// Flip the endian based on the type
1457	size_t typeSize = 0;
1458	switch (VertexElement::getBaseType((*ei).getType()))
1459	{
1460	case VET_FLOAT1:
1461	typeSize = sizeof(float);
1462	break;
1463	case VET_SHORT1:
1464	typeSize = sizeof(short);
1465	break;
1466	case VET_COLOUR:
1467	case VET_COLOUR_ABGR:
1468	case VET_COLOUR_ARGB:
1469	typeSize = sizeof(RGBA);
1470	break;
1471	case VET_UBYTE4:
1472	typeSize = 0; // NO FLIPPING
1473	break;
1474	};
1475	Serializer::flipEndian(pElem, typeSize,
1476	VertexElement::getTypeCount((*ei).getType()));
1477
1478	}
1479
1480	pBase = static_cast<void*>(
1481	static_cast<unsigned char*>(pBase) + vertexSize);
1482
1483	}
1484	}
1485	//---------------------------------------------------------------------
1486	size_t MeshSerializerImpl::calcEdgeListSize(const Mesh* pMesh)
1487	{
1488	size_t size = STREAM_OVERHEAD_SIZE;
1489
1490	for (ushort i = 0; i < pMesh->getNumLodLevels(); ++i)
1491	{
1492
1493	const EdgeData* edgeData = pMesh->getEdgeList(i);
1494	bool isManual = pMesh->isLodManual() && (i > 0);
1495
1496	size += calcEdgeListLodSize(edgeData, isManual);
1497
1498	}
1499
1500	return size;
1501	}
1502	//---------------------------------------------------------------------
1503	size_t MeshSerializerImpl::calcEdgeListLodSize(const EdgeData* edgeData, bool isManual)
1504	{
1505	size_t size = STREAM_OVERHEAD_SIZE;
1506
1507	// unsigned short lodIndex
1508	size += sizeof(uint16);
1509
1510	// bool isManual // If manual, no edge data here, loaded from manual mesh
1511	size += sizeof(bool);
1512	if (!isManual)
1513	{
1514	// unsigned long numTriangles
1515	size += sizeof(uint32);
1516	// unsigned long numEdgeGroups
1517	size += sizeof(uint32);
1518	// Triangle* triangleList
1519	size_t triSize = 0;
1520	// unsigned long indexSet
1521	// unsigned long vertexSet
1522	// unsigned long vertIndex[3]
1523	// unsigned long sharedVertIndex[3]
1524	// float normal[4]
1525	triSize += sizeof(uint32) * 8
1526	+ sizeof(float) * 4;
1527
1528	size += triSize * edgeData->triangles.size();
1529	// Write the groups
1530	for (EdgeData::EdgeGroupList::const_iterator gi = edgeData->edgeGroups.begin();
1531	gi != edgeData->edgeGroups.end(); ++gi)
1532	{
1533	const EdgeData::EdgeGroup& edgeGroup = *gi;
1534	size += calcEdgeGroupSize(edgeGroup);
1535	}
1536
1537	}
1538
1539	return size;
1540	}
1541	//---------------------------------------------------------------------
1542	size_t MeshSerializerImpl::calcEdgeGroupSize(const EdgeData::EdgeGroup& group)
1543	{
1544	size_t size = STREAM_OVERHEAD_SIZE;
1545
1546	// unsigned long vertexSet
1547	size += sizeof(uint32);
1548	// unsigned long numEdges
1549	size += sizeof(uint32);
1550	// Edge* edgeList
1551	size_t edgeSize = 0;
1552	// unsigned long triIndex[2]
1553	// unsigned long vertIndex[2]
1554	// unsigned long sharedVertIndex[2]
1555	// bool degenerate
1556	edgeSize += sizeof(uint32) * 6 + sizeof(bool);
1557	size += edgeSize * group.edges.size();
1558
1559	return size;
1560	}
1561	//---------------------------------------------------------------------
1562	void MeshSerializerImpl::writeEdgeList(const Mesh* pMesh)
1563	{
1564	writeChunkHeader(M_EDGE_LISTS, calcEdgeListSize(pMesh));
1565
1566	for (ushort i = 0; i < pMesh->getNumLodLevels(); ++i)
1567	{
1568	const EdgeData* edgeData = pMesh->getEdgeList(i);
1569	bool isManual = pMesh->isLodManual() && (i > 0);
1570	writeChunkHeader(M_EDGE_LIST_LOD, calcEdgeListLodSize(edgeData, isManual));
1571
1572	// unsigned short lodIndex
1573	writeShorts(&i, 1);
1574
1575	// bool isManual // If manual, no edge data here, loaded from manual mesh
1576	writeBools(&isManual, 1);
1577	if (!isManual)
1578	{
1579	// unsigned long numTriangles
1580	uint32 count = static_cast<uint32>(edgeData->triangles.size());
1581	writeInts(&count, 1);
1582	// unsigned long numEdgeGroups
1583	count = static_cast<uint32>(edgeData->edgeGroups.size());
1584	writeInts(&count, 1);
1585	// Triangle* triangleList
1586	// Iterate rather than writing en-masse to allow endian conversion
1587	for (EdgeData::TriangleList::const_iterator t = edgeData->triangles.begin();
1588	t != edgeData->triangles.end(); ++t)
1589	{
1590	const EdgeData::Triangle& tri = *t;
1591	// unsigned long indexSet;
1592	uint32 tmp[3];
1593	tmp[0] = tri.indexSet;
1594	writeInts(tmp, 1);
1595	// unsigned long vertexSet;
1596	tmp[0] = tri.vertexSet;
1597	writeInts(tmp, 1);
1598	// unsigned long vertIndex[3];
1599	tmp[0] = tri.vertIndex[0];
1600	tmp[1] = tri.vertIndex[1];
1601	tmp[2] = tri.vertIndex[2];
1602	writeInts(tmp, 3);
1603	// unsigned long sharedVertIndex[3];
1604	tmp[0] = tri.sharedVertIndex[0];
1605	tmp[1] = tri.sharedVertIndex[1];
1606	tmp[2] = tri.sharedVertIndex[2];
1607	writeInts(tmp, 3);
1608	// float normal[4];
1609	writeFloats(&(tri.normal.x), 4);
1610
1611	}
1612	// Write the groups
1613	for (EdgeData::EdgeGroupList::const_iterator gi = edgeData->edgeGroups.begin();
1614	gi != edgeData->edgeGroups.end(); ++gi)
1615	{
1616	const EdgeData::EdgeGroup& edgeGroup = *gi;
1617	writeChunkHeader(M_EDGE_GROUP, calcEdgeGroupSize(edgeGroup));
1618	// unsigned long vertexSet
1619	uint32 vertexSet = static_cast<uint32>(edgeGroup.vertexSet);
1620	writeInts(&vertexSet, 1);
1621	// unsigned long numEdges
1622	count = static_cast<uint32>(edgeGroup.edges.size());
1623	writeInts(&count, 1);
1624	// Edge* edgeList
1625	// Iterate rather than writing en-masse to allow endian conversion
1626	for (EdgeData::EdgeList::const_iterator ei = edgeGroup.edges.begin();
1627	ei != edgeGroup.edges.end(); ++ei)
1628	{
1629	const EdgeData::Edge& edge = *ei;
1630	uint32 tmp[2];
1631	// unsigned long triIndex[2]
1632	tmp[0] = edge.triIndex[0];
1633	tmp[1] = edge.triIndex[1];
1634	writeInts(tmp, 2);
1635	// unsigned long vertIndex[2]
1636	tmp[0] = edge.vertIndex[0];
1637	tmp[1] = edge.vertIndex[1];
1638	writeInts(tmp, 2);
1639	// unsigned long sharedVertIndex[2]
1640	tmp[0] = edge.sharedVertIndex[0];
1641	tmp[1] = edge.sharedVertIndex[1];
1642	writeInts(tmp, 2);
1643	// bool degenerate
1644	writeBools(&(edge.degenerate), 1);
1645	}
1646
1647	}
1648
1649	}
1650
1651	}
1652	}
1653	//---------------------------------------------------------------------
1654	void MeshSerializerImpl::readEdgeList(DataStreamPtr& stream, Mesh* pMesh)
1655	{
1656	unsigned short streamID;
1657
1658	if (!stream->eof())
1659	{
1660	streamID = readChunk(stream);
1661	while(!stream->eof() &&
1662	streamID == M_EDGE_LIST_LOD)
1663	{
1664	// Process single LOD
1665
1666	// unsigned short lodIndex
1667	unsigned short lodIndex;
1668	readShorts(stream, &lodIndex, 1);
1669
1670	// bool isManual // If manual, no edge data here, loaded from manual mesh
1671	bool isManual;
1672	readBools(stream, &isManual, 1);
1673	// Only load in non-manual levels; others will be connected up by Mesh on demand
1674	if (!isManual)
1675	{
1676	MeshLodUsage& usage = const_cast<MeshLodUsage&>(pMesh->getLodLevel(lodIndex));
1677
1678	usage.edgeData = new EdgeData();
1679	// unsigned long numTriangles
1680	uint32 numTriangles;
1681	readInts(stream, &numTriangles, 1);
1682	// Allocate correct amount of memory
1683	usage.edgeData->triangles.resize(numTriangles);
1684	// unsigned long numEdgeGroups
1685	uint32 numEdgeGroups;
1686	readInts(stream, &numEdgeGroups, 1);
1687	// Allocate correct amount of memory
1688	usage.edgeData->edgeGroups.resize(numEdgeGroups);
1689	// Triangle* triangleList
1690	uint32 tmp[3];
1691	for (size_t t = 0; t < numTriangles; ++t)
1692	{
1693	EdgeData::Triangle& tri = usage.edgeData->triangles[t];
1694	// unsigned long indexSet
1695	readInts(stream, tmp, 1);
1696	tri.indexSet = tmp[0];
1697	// unsigned long vertexSet
1698	readInts(stream, tmp, 1);
1699	tri.vertexSet = tmp[0];
1700	// unsigned long vertIndex[3]
1701	readInts(stream, tmp, 3);
1702	tri.vertIndex[0] = tmp[0];
1703	tri.vertIndex[1] = tmp[1];
1704	tri.vertIndex[2] = tmp[2];
1705	// unsigned long sharedVertIndex[3]
1706	readInts(stream, tmp, 3);
1707	tri.sharedVertIndex[0] = tmp[0];
1708	tri.sharedVertIndex[1] = tmp[1];
1709	tri.sharedVertIndex[2] = tmp[2];
1710	// float normal[4]
1711	readFloats(stream, &(tri.normal.x), 4);
1712
1713	}
1714
1715	for (uint32 eg = 0; eg < numEdgeGroups; ++eg)
1716	{
1717	streamID = readChunk(stream);
1718	if (streamID != M_EDGE_GROUP)
1719	{
1720	OGRE_EXCEPT(Exception::ERR_INTERNAL_ERROR,
1721	"Missing M_EDGE_GROUP stream",
1722	"MeshSerializerImpl::readEdgeList");
1723	}
1724	EdgeData::EdgeGroup& edgeGroup = usage.edgeData->edgeGroups[eg];
1725
1726	// unsigned long vertexSet
1727	readInts(stream, tmp, 1);
1728	edgeGroup.vertexSet = tmp[0];
1729	// unsigned long numEdges
1730	uint32 numEdges;
1731	readInts(stream, &numEdges, 1);
1732	edgeGroup.edges.resize(numEdges);
1733	// Edge* edgeList
1734	for (uint32 e = 0; e < numEdges; ++e)
1735	{
1736	EdgeData::Edge& edge = edgeGroup.edges[e];
1737	// unsigned long triIndex[2]
1738	readInts(stream, tmp, 2);
1739	edge.triIndex[0] = tmp[0];
1740	edge.triIndex[1] = tmp[1];
1741	// unsigned long vertIndex[2]
1742	readInts(stream, tmp, 2);
1743	edge.vertIndex[0] = tmp[0];
1744	edge.vertIndex[1] = tmp[1];
1745	// unsigned long sharedVertIndex[2]
1746	readInts(stream, tmp, 2);
1747	edge.sharedVertIndex[0] = tmp[0];
1748	edge.sharedVertIndex[1] = tmp[1];
1749	// bool degenerate
1750	readBools(stream, &(edge.degenerate), 1);
1751	}
1752	// Populate edgeGroup.vertexData pointers
1753	// If there is shared vertex data, vertexSet 0 is that,
1754	// otherwise 0 is first dedicated
1755	if (pMesh->sharedVertexData)
1756	{
1757	if (edgeGroup.vertexSet == 0)
1758	{
1759	edgeGroup.vertexData = pMesh->sharedVertexData;
1760	}
1761	else
1762	{
1763	edgeGroup.vertexData = pMesh->getSubMesh(
1764	edgeGroup.vertexSet-1)->vertexData;
1765	}
1766	}
1767	else
1768	{
1769	edgeGroup.vertexData = pMesh->getSubMesh(
1770	edgeGroup.vertexSet)->vertexData;
1771	}
1772	}
1773
1774	}
1775
1776	if (!stream->eof())
1777	{
1778	streamID = readChunk(stream);
1779	}
1780
1781	}
1782	if (!stream->eof())
1783	{
1784	// Backpedal back to start of stream
1785	stream->skip(-STREAM_OVERHEAD_SIZE);
1786	}
1787	}
1788
1789
1790
1791	pMesh->mEdgeListsBuilt = true;
1792	}
1793	//---------------------------------------------------------------------
1794	size_t MeshSerializerImpl::calcAnimationsSize(const Mesh* pMesh)
1795	{
1796	size_t size = STREAM_OVERHEAD_SIZE;
1797
1798	for (unsigned short a = 0; a < pMesh->getNumAnimations(); ++a)
1799	{
1800	Animation* anim = pMesh->getAnimation(a);
1801	size += calcAnimationSize(anim);
1802	}
1803	return size;
1804
1805	}
1806	//---------------------------------------------------------------------
1807	size_t MeshSerializerImpl::calcAnimationSize(const Animation* anim)
1808	{
1809	size_t size = STREAM_OVERHEAD_SIZE;
1810	// char* name
1811	size += anim->getName().length() + 1;
1812
1813	// float length
1814	size += sizeof(float);
1815
1816	Animation::VertexTrackIterator trackIt = anim->getVertexTrackIterator();
1817	while (trackIt.hasMoreElements())
1818	{
1819	VertexAnimationTrack* vt = trackIt.getNext();
1820	size += calcAnimationTrackSize(vt);
1821	}
1822
1823	return size;
1824	}
1825	//---------------------------------------------------------------------
1826	size_t MeshSerializerImpl::calcAnimationTrackSize(const VertexAnimationTrack* track)
1827	{
1828	size_t size = STREAM_OVERHEAD_SIZE;
1829	// uint16 type
1830	size += sizeof(uint16);
1831	// unsigned short target // 0 for shared geometry,
1832	size += sizeof(unsigned short);
1833
1834	if (track->getAnimationType() == VAT_MORPH)
1835	{
1836	for (unsigned short i = 0; i < track->getNumKeyFrames(); ++i)
1837	{
1838	VertexMorphKeyFrame* kf = track->getVertexMorphKeyFrame(i);
1839	size += calcMorphKeyframeSize(kf, track->getAssociatedVertexData()->vertexCount);
1840	}
1841	}
1842	else
1843	{
1844	for (unsigned short i = 0; i < track->getNumKeyFrames(); ++i)
1845	{
1846	VertexPoseKeyFrame* kf = track->getVertexPoseKeyFrame(i);
1847	size += calcPoseKeyframeSize(kf);
1848	}
1849	}
1850	return size;
1851	}
1852	//---------------------------------------------------------------------
1853	size_t MeshSerializerImpl::calcMorphKeyframeSize(const VertexMorphKeyFrame* kf,
1854	size_t vertexCount)
1855	{
1856	size_t size = STREAM_OVERHEAD_SIZE;
1857	// float time
1858	size += sizeof(float);
1859	// bool isOriginalGeometry // point at original geometry?
1860	size += sizeof(bool);
1861	// float x,y,z
1862	size += sizeof(float) * 3 * vertexCount;
1863
1864	return size;
1865	}
1866	//---------------------------------------------------------------------
1867	size_t MeshSerializerImpl::calcPoseKeyframeSize(const VertexPoseKeyFrame* kf)
1868	{
1869	size_t size = STREAM_OVERHEAD_SIZE;
1870
1871	// float time
1872	size += sizeof(float);
1873
1874	size += calcPoseKeyframePoseRefSize() * kf->getPoseReferences().size();
1875
1876	return size;
1877
1878	}
1879	//---------------------------------------------------------------------
1880	size_t MeshSerializerImpl::calcPoseKeyframePoseRefSize(void)
1881	{
1882	size_t size = STREAM_OVERHEAD_SIZE;
1883	// unsigned short poseIndex
1884	size += sizeof(uint16);
1885	// float influence
1886	size += sizeof(float);
1887
1888	return size;
1889
1890	}
1891	//---------------------------------------------------------------------
1892	size_t MeshSerializerImpl::calcPosesSize(const Mesh* pMesh)
1893	{
1894	size_t size = STREAM_OVERHEAD_SIZE;
1895
1896	Mesh::ConstPoseIterator poseIt = pMesh->getPoseIterator();
1897	while (poseIt.hasMoreElements())
1898	{
1899	size += calcPoseSize(poseIt.getNext());
1900	}
1901	return size;
1902	}
1903	//---------------------------------------------------------------------
1904	size_t MeshSerializerImpl::calcPoseSize(const Pose* pose)
1905	{
1906	size_t size = STREAM_OVERHEAD_SIZE;
1907
1908	// char* name (may be blank)
1909	size += pose->getName().length() + 1;
1910	// unsigned short target
1911	size += sizeof(uint16);
1912
1913	// vertex offsets
1914	size += pose->getVertexOffsets().size() * calcPoseVertexSize();
1915
1916	return size;
1917
1918	}
1919	//---------------------------------------------------------------------
1920	size_t MeshSerializerImpl::calcPoseVertexSize(void)
1921	{
1922	size_t size = STREAM_OVERHEAD_SIZE;
1923	// unsigned long vertexIndex
1924	size += sizeof(uint32);
1925	// float xoffset, yoffset, zoffset
1926	size += sizeof(float) * 3;
1927
1928	return size;
1929	}
1930	//---------------------------------------------------------------------
1931	void MeshSerializerImpl::writePoses(const Mesh* pMesh)
1932	{
1933	Mesh::ConstPoseIterator poseIterator = pMesh->getPoseIterator();
1934	if (poseIterator.hasMoreElements())
1935	{
1936	writeChunkHeader(M_POSES, calcPosesSize(pMesh));
1937	while (poseIterator.hasMoreElements())
1938	{
1939	writePose(poseIterator.getNext());
1940	}
1941	}
1942
1943	}
1944	//---------------------------------------------------------------------
1945	void MeshSerializerImpl::writePose(const Pose* pose)
1946	{
1947	writeChunkHeader(M_POSE, calcPoseSize(pose));
1948
1949	// char* name (may be blank)
1950	writeString(pose->getName());
1951
1952	// unsigned short target
1953	ushort val = pose->getTarget();
1954	writeShorts(&val, 1);
1955
1956	size_t vertexSize = calcPoseVertexSize();
1957	Pose::ConstVertexOffsetIterator vit = pose->getVertexOffsetIterator();
1958	while (vit.hasMoreElements())
1959	{
1960	uint32 vertexIndex = (uint32)vit.peekNextKey();
1961	Vector3 offset = vit.getNext();
1962	writeChunkHeader(M_POSE_VERTEX, vertexSize);
1963	// unsigned long vertexIndex
1964	writeInts(&vertexIndex, 1);
1965	// float xoffset, yoffset, zoffset
1966	writeFloats(offset.val, 3);
1967	}
1968
1969
1970	}
1971	//---------------------------------------------------------------------
1972	void MeshSerializerImpl::writeAnimations(const Mesh* pMesh)
1973	{
1974	writeChunkHeader(M_ANIMATIONS, calcAnimationsSize(pMesh));
1975
1976	for (unsigned short a = 0; a < pMesh->getNumAnimations(); ++a)
1977	{
1978	Animation* anim = pMesh->getAnimation(a);
1979	LogManager::getSingleton().logMessage("Exporting animation " + anim->getName());
1980	writeAnimation(anim);
1981	LogManager::getSingleton().logMessage("Animation exported.");
1982	}
1983	}
1984	//---------------------------------------------------------------------
1985	void MeshSerializerImpl::writeAnimation(const Animation* anim)
1986	{
1987	writeChunkHeader(M_ANIMATION, calcAnimationSize(anim));
1988	// char* name
1989	writeString(anim->getName());
1990	// float length
1991	float len = anim->getLength();
1992	writeFloats(&len, 1);
1993	Animation::VertexTrackIterator trackIt = anim->getVertexTrackIterator();
1994	while (trackIt.hasMoreElements())
1995	{
1996	VertexAnimationTrack* vt = trackIt.getNext();
1997	writeAnimationTrack(vt);
1998	}
1999
2000
2001	}
2002	//---------------------------------------------------------------------
2003	void MeshSerializerImpl::writeAnimationTrack(const VertexAnimationTrack* track)
2004	{
2005	writeChunkHeader(M_ANIMATION_TRACK, calcAnimationTrackSize(track));
2006	// unsigned short type // 1 == morph, 2 == pose
2007	uint16 animType = (uint16)track->getAnimationType();
2008	writeShorts(&animType, 1);
2009	// unsigned short target
2010	uint16 target = track->getHandle();
2011	writeShorts(&target, 1);
2012
2013	if (track->getAnimationType() == VAT_MORPH)
2014	{
2015	for (unsigned short i = 0; i < track->getNumKeyFrames(); ++i)
2016	{
2017	VertexMorphKeyFrame* kf = track->getVertexMorphKeyFrame(i);
2018	writeMorphKeyframe(kf, track->getAssociatedVertexData()->vertexCount);
2019	}
2020	}
2021	else // VAT_POSE
2022	{
2023	for (unsigned short i = 0; i < track->getNumKeyFrames(); ++i)
2024	{
2025	VertexPoseKeyFrame* kf = track->getVertexPoseKeyFrame(i);
2026	writePoseKeyframe(kf);
2027	}
2028	}
2029
2030	}
2031	//---------------------------------------------------------------------
2032	void MeshSerializerImpl::writeMorphKeyframe(const VertexMorphKeyFrame* kf, size_t vertexCount)
2033	{
2034	writeChunkHeader(M_ANIMATION_MORPH_KEYFRAME, calcMorphKeyframeSize(kf, vertexCount));
2035	// float time
2036	float timePos = kf->getTime();
2037	writeFloats(&timePos, 1);
2038	// float x,y,z // repeat by number of vertices in original geometry
2039	float* pSrc = static_cast<float*>(
2040	kf->getVertexBuffer()->lock(HardwareBuffer::HBL_READ_ONLY));
2041	writeFloats(pSrc, vertexCount * 3);
2042	kf->getVertexBuffer()->unlock();
2043	}
2044	//---------------------------------------------------------------------
2045	void MeshSerializerImpl::writePoseKeyframe(const VertexPoseKeyFrame* kf)
2046	{
2047	writeChunkHeader(M_ANIMATION_POSE_KEYFRAME, calcPoseKeyframeSize(kf));
2048	// float time
2049	float timePos = kf->getTime();
2050	writeFloats(&timePos, 1);
2051
2052	// pose references
2053	VertexPoseKeyFrame::ConstPoseRefIterator poseRefIt =
2054	kf->getPoseReferenceIterator();
2055	while (poseRefIt.hasMoreElements())
2056	{
2057	writePoseKeyframePoseRef(poseRefIt.getNext());
2058	}
2059
2060
2061
2062	}
2063	//---------------------------------------------------------------------
2064	void MeshSerializerImpl::writePoseKeyframePoseRef(
2065	const VertexPoseKeyFrame::PoseRef& poseRef)
2066	{
2067	writeChunkHeader(M_ANIMATION_POSE_REF, calcPoseKeyframePoseRefSize());
2068	// unsigned short poseIndex
2069	writeShorts(&(poseRef.poseIndex), 1);
2070	// float influence
2071	writeFloats(&(poseRef.influence), 1);
2072	}
2073	//---------------------------------------------------------------------
2074	void MeshSerializerImpl::readPoses(DataStreamPtr& stream, Mesh* pMesh)
2075	{
2076	unsigned short streamID;
2077
2078	// Find all substreams
2079	if (!stream->eof())
2080	{
2081	streamID = readChunk(stream);
2082	while(!stream->eof() &&
2083	(streamID == M_POSE))
2084	{
2085	switch(streamID)
2086	{
2087	case M_POSE:
2088	readPose(stream, pMesh);
2089	break;
2090
2091	}
2092
2093	if (!stream->eof())
2094	{
2095	streamID = readChunk(stream);
2096	}
2097
2098	}
2099	if (!stream->eof())
2100	{
2101	// Backpedal back to start of stream
2102	stream->skip(-STREAM_OVERHEAD_SIZE);
2103	}
2104	}
2105	}
2106	//---------------------------------------------------------------------
2107	void MeshSerializerImpl::readPose(DataStreamPtr& stream, Mesh* pMesh)
2108	{
2109	// char* name (may be blank)
2110	String name = readString(stream);
2111	// unsigned short target
2112	unsigned short target;
2113	readShorts(stream, &target, 1);
2114
2115	Pose* pose = pMesh->createPose(target, name);
2116
2117	// Find all substreams
2118	unsigned short streamID;
2119	if (!stream->eof())
2120	{
2121	streamID = readChunk(stream);
2122	while(!stream->eof() &&
2123	(streamID == M_POSE_VERTEX))
2124	{
2125	switch(streamID)
2126	{
2127	case M_POSE_VERTEX:
2128	// create vertex offset
2129	uint32 vertIndex;
2130	Vector3 offset;
2131	// unsigned long vertexIndex
2132	readInts(stream, &vertIndex, 1);
2133	// float xoffset, yoffset, zoffset
2134	readFloats(stream, offset.val, 3);
2135
2136	pose->addVertex(vertIndex, offset);
2137	break;
2138
2139	}
2140
2141	if (!stream->eof())
2142	{
2143	streamID = readChunk(stream);
2144	}
2145
2146	}
2147	if (!stream->eof())
2148	{
2149	// Backpedal back to start of stream
2150	stream->skip(-STREAM_OVERHEAD_SIZE);
2151	}
2152	}
2153
2154	}
2155	//---------------------------------------------------------------------
2156	void MeshSerializerImpl::readAnimations(DataStreamPtr& stream, Mesh* pMesh)
2157	{
2158	unsigned short streamID;
2159
2160	// Find all substreams
2161	if (!stream->eof())
2162	{
2163	streamID = readChunk(stream);
2164	while(!stream->eof() &&
2165	(streamID == M_ANIMATION))
2166	{
2167	switch(streamID)
2168	{
2169	case M_ANIMATION:
2170	readAnimation(stream, pMesh);
2171	break;
2172
2173	}
2174
2175	if (!stream->eof())
2176	{
2177	streamID = readChunk(stream);
2178	}
2179
2180	}
2181	if (!stream->eof())
2182	{
2183	// Backpedal back to start of stream
2184	stream->skip(-STREAM_OVERHEAD_SIZE);
2185	}
2186	}
2187
2188
2189	}
2190	//---------------------------------------------------------------------
2191	void MeshSerializerImpl::readAnimation(DataStreamPtr& stream, Mesh* pMesh)
2192	{
2193
2194	// char* name
2195	String name = readString(stream);
2196	// float length
2197	float len;
2198	readFloats(stream, &len, 1);
2199
2200	Animation* anim = pMesh->createAnimation(name, len);
2201
2202	// tracks
2203	unsigned short streamID;
2204
2205	if (!stream->eof())
2206	{
2207	streamID = readChunk(stream);
2208	while(!stream->eof() &&
2209	streamID == M_ANIMATION_TRACK)
2210	{
2211	switch(streamID)
2212	{
2213	case M_ANIMATION_TRACK:
2214	readAnimationTrack(stream, anim, pMesh);
2215	break;
2216	};
2217	if (!stream->eof())
2218	{
2219	streamID = readChunk(stream);
2220	}
2221
2222	}
2223	if (!stream->eof())
2224	{
2225	// Backpedal back to start of stream
2226	stream->skip(-STREAM_OVERHEAD_SIZE);
2227	}
2228	}
2229	}
2230	//---------------------------------------------------------------------
2231	void MeshSerializerImpl::readAnimationTrack(DataStreamPtr& stream,
2232	Animation* anim, Mesh* pMesh)
2233	{
2234	// ushort type
2235	uint16 inAnimType;
2236	readShorts(stream, &inAnimType, 1);
2237	VertexAnimationType animType = (VertexAnimationType)inAnimType;
2238
2239	// unsigned short target
2240	uint16 target;
2241	readShorts(stream, &target, 1);
2242
2243	VertexAnimationTrack* track = anim->createVertexTrack(target,
2244	pMesh->getVertexDataByTrackHandle(target), animType);
2245
2246	// keyframes
2247	unsigned short streamID;
2248
2249	if (!stream->eof())
2250	{
2251	streamID = readChunk(stream);
2252	while(!stream->eof() &&
2253	(streamID == M_ANIMATION_MORPH_KEYFRAME \|\|
2254	streamID == M_ANIMATION_POSE_KEYFRAME))
2255	{
2256	switch(streamID)
2257	{
2258	case M_ANIMATION_MORPH_KEYFRAME:
2259	readMorphKeyFrame(stream, track);
2260	break;
2261	case M_ANIMATION_POSE_KEYFRAME:
2262	readPoseKeyFrame(stream, track);
2263	break;
2264	};
2265	if (!stream->eof())
2266	{
2267	streamID = readChunk(stream);
2268	}
2269
2270	}
2271	if (!stream->eof())
2272	{
2273	// Backpedal back to start of stream
2274	stream->skip(-STREAM_OVERHEAD_SIZE);
2275	}
2276	}
2277
2278	}
2279	//---------------------------------------------------------------------
2280	void MeshSerializerImpl::readMorphKeyFrame(DataStreamPtr& stream, VertexAnimationTrack* track)
2281	{
2282	// float time
2283	float timePos;
2284	readFloats(stream, &timePos, 1);
2285
2286	VertexMorphKeyFrame* kf = track->createVertexMorphKeyFrame(timePos);
2287
2288	// Create buffer, allow read and use shadow buffer
2289	size_t vertexCount = track->getAssociatedVertexData()->vertexCount;
2290	HardwareVertexBufferSharedPtr vbuf =
2291	HardwareBufferManager::getSingleton().createVertexBuffer(
2292	VertexElement::getTypeSize(VET_FLOAT3), vertexCount,
2293	HardwareBuffer::HBU_STATIC, true);
2294	// float x,y,z // repeat by number of vertices in original geometry
2295	float* pDst = static_cast<float*>(
2296	vbuf->lock(HardwareBuffer::HBL_DISCARD));
2297	readFloats(stream, pDst, vertexCount * 3);
2298	vbuf->unlock();
2299	kf->setVertexBuffer(vbuf);
2300
2301	}
2302	//---------------------------------------------------------------------
2303	void MeshSerializerImpl::readPoseKeyFrame(DataStreamPtr& stream, VertexAnimationTrack* track)
2304	{
2305	// float time
2306	float timePos;
2307	readFloats(stream, &timePos, 1);
2308
2309	// Create keyframe
2310	VertexPoseKeyFrame* kf = track->createVertexPoseKeyFrame(timePos);
2311
2312	unsigned short streamID;
2313
2314	if (!stream->eof())
2315	{
2316	streamID = readChunk(stream);
2317	while(!stream->eof() &&
2318	streamID == M_ANIMATION_POSE_REF)
2319	{
2320	switch(streamID)
2321	{
2322	case M_ANIMATION_POSE_REF:
2323	uint16 poseIndex;
2324	float influence;
2325	// unsigned short poseIndex
2326	readShorts(stream, &poseIndex, 1);
2327	// float influence
2328	readFloats(stream, &influence, 1);
2329
2330	kf->addPoseReference(poseIndex, influence);
2331
2332	break;
2333	};
2334	if (!stream->eof())
2335	{
2336	streamID = readChunk(stream);
2337	}
2338
2339	}
2340	if (!stream->eof())
2341	{
2342	// Backpedal back to start of stream
2343	stream->skip(-STREAM_OVERHEAD_SIZE);
2344	}
2345	}
2346
2347	}
2348	//---------------------------------------------------------------------
2349	//---------------------------------------------------------------------
2350	//---------------------------------------------------------------------
2351	MeshSerializerImpl_v1_2::MeshSerializerImpl_v1_2()
2352	{
2353	// Version number
2354	mVersion = "[MeshSerializer_v1.20]";
2355	}
2356	//---------------------------------------------------------------------
2357	MeshSerializerImpl_v1_2::~MeshSerializerImpl_v1_2()
2358	{
2359	}
2360	//---------------------------------------------------------------------
2361	void MeshSerializerImpl_v1_2::readMesh(DataStreamPtr& stream, Mesh* pMesh)
2362	{
2363	MeshSerializerImpl::readMesh(stream, pMesh);
2364	// Always automatically build edge lists for this version
2365	pMesh->mAutoBuildEdgeLists = true;
2366
2367	}
2368	//---------------------------------------------------------------------
2369	void MeshSerializerImpl_v1_2::readGeometry(DataStreamPtr& stream, Mesh* pMesh,
2370	VertexData* dest)
2371	{
2372	unsigned short texCoordSet = 0;
2373
2374	unsigned short bindIdx = 0;
2375
2376	dest->vertexStart = 0;
2377
2378	unsigned int vertexCount = 0;
2379	readInts(stream, &vertexCount, 1);
2380	dest->vertexCount = vertexCount;
2381
2382	// Vertex buffers
2383
2384	readGeometryPositions(bindIdx, stream, pMesh, dest);
2385	++bindIdx;
2386
2387	// Find optional geometry streams
2388	if (!stream->eof())
2389	{
2390	unsigned short streamID = readChunk(stream);
2391	while(!stream->eof() &&
2392	(streamID == M_GEOMETRY_NORMALS \|\|
2393	streamID == M_GEOMETRY_COLOURS \|\|
2394	streamID == M_GEOMETRY_TEXCOORDS ))
2395	{
2396	switch (streamID)
2397	{
2398	case M_GEOMETRY_NORMALS:
2399	readGeometryNormals(bindIdx++, stream, pMesh, dest);
2400	break;
2401	case M_GEOMETRY_COLOURS:
2402	readGeometryColours(bindIdx++, stream, pMesh, dest);
2403	break;
2404	case M_GEOMETRY_TEXCOORDS:
2405	readGeometryTexCoords(bindIdx++, stream, pMesh, dest, texCoordSet++);
2406	break;
2407	}
2408	// Get next stream
2409	if (!stream->eof())
2410	{
2411	streamID = readChunk(stream);
2412	}
2413	}
2414	if (!stream->eof())
2415	{
2416	// Backpedal back to start of non-submesh stream
2417	stream->skip(-STREAM_OVERHEAD_SIZE);
2418	}
2419	}
2420	}
2421	//---------------------------------------------------------------------
2422	void MeshSerializerImpl_v1_2::readGeometryPositions(unsigned short bindIdx,
2423	DataStreamPtr& stream, Mesh* pMesh, VertexData* dest)
2424	{
2425	float *pFloat = 0;
2426	HardwareVertexBufferSharedPtr vbuf;
2427	// float* pVertices (x, y, z order x numVertices)
2428	dest->vertexDeclaration->addElement(bindIdx, 0, VET_FLOAT3, VES_POSITION);
2429	vbuf = HardwareBufferManager::getSingleton().createVertexBuffer(
2430	dest->vertexDeclaration->getVertexSize(bindIdx),
2431	dest->vertexCount,
2432	pMesh->mVertexBufferUsage,
2433	pMesh->mIndexBufferShadowBuffer);
2434	pFloat = static_cast<float*>(
2435	vbuf->lock(HardwareBuffer::HBL_DISCARD));
2436	readFloats(stream, pFloat, dest->vertexCount * 3);
2437	vbuf->unlock();
2438	dest->vertexBufferBinding->setBinding(bindIdx, vbuf);
2439	}
2440	//---------------------------------------------------------------------
2441	void MeshSerializerImpl_v1_2::readGeometryNormals(unsigned short bindIdx,
2442	DataStreamPtr& stream, Mesh* pMesh, VertexData* dest)
2443	{
2444	float *pFloat = 0;
2445	HardwareVertexBufferSharedPtr vbuf;
2446	// float* pNormals (x, y, z order x numVertices)
2447	dest->vertexDeclaration->addElement(bindIdx, 0, VET_FLOAT3, VES_NORMAL);
2448	vbuf = HardwareBufferManager::getSingleton().createVertexBuffer(
2449	dest->vertexDeclaration->getVertexSize(bindIdx),
2450	dest->vertexCount,
2451	pMesh->mVertexBufferUsage,
2452	pMesh->mVertexBufferShadowBuffer);
2453	pFloat = static_cast<float*>(
2454	vbuf->lock(HardwareBuffer::HBL_DISCARD));
2455	readFloats(stream, pFloat, dest->vertexCount * 3);
2456	vbuf->unlock();
2457	dest->vertexBufferBinding->setBinding(bindIdx, vbuf);
2458	}
2459	//---------------------------------------------------------------------
2460	void MeshSerializerImpl_v1_2::readGeometryColours(unsigned short bindIdx,
2461	DataStreamPtr& stream, Mesh* pMesh, VertexData* dest)
2462	{
2463	RGBA* pRGBA = 0;
2464	HardwareVertexBufferSharedPtr vbuf;
2465	// unsigned long* pColours (RGBA 8888 format x numVertices)
2466	dest->vertexDeclaration->addElement(bindIdx, 0, VET_COLOUR, VES_DIFFUSE);
2467	vbuf = HardwareBufferManager::getSingleton().createVertexBuffer(
2468	dest->vertexDeclaration->getVertexSize(bindIdx),
2469	dest->vertexCount,
2470	pMesh->mVertexBufferUsage,
2471	pMesh->mVertexBufferShadowBuffer);
2472	pRGBA = static_cast<RGBA*>(
2473	vbuf->lock(HardwareBuffer::HBL_DISCARD));
2474	readInts(stream, pRGBA, dest->vertexCount);
2475	vbuf->unlock();
2476	dest->vertexBufferBinding->setBinding(bindIdx, vbuf);
2477	}
2478	//---------------------------------------------------------------------
2479	void MeshSerializerImpl_v1_2::readGeometryTexCoords(unsigned short bindIdx,
2480	DataStreamPtr& stream, Mesh* pMesh, VertexData* dest, unsigned short texCoordSet)
2481	{
2482	float *pFloat = 0;
2483	HardwareVertexBufferSharedPtr vbuf;
2484	// unsigned short dimensions (1 for 1D, 2 for 2D, 3 for 3D)
2485	unsigned short dim;
2486	readShorts(stream, &dim, 1);
2487	// float* pTexCoords (u [v] [w] order, dimensions x numVertices)
2488	dest->vertexDeclaration->addElement(
2489	bindIdx,
2490	0,
2491	VertexElement::multiplyTypeCount(VET_FLOAT1, dim),
2492	VES_TEXTURE_COORDINATES,
2493	texCoordSet);
2494	vbuf = HardwareBufferManager::getSingleton().createVertexBuffer(
2495	dest->vertexDeclaration->getVertexSize(bindIdx),
2496	dest->vertexCount,
2497	pMesh->mVertexBufferUsage,
2498	pMesh->mVertexBufferShadowBuffer);
2499	pFloat = static_cast<float*>(
2500	vbuf->lock(HardwareBuffer::HBL_DISCARD));
2501	readFloats(stream, pFloat, dest->vertexCount * dim);
2502	vbuf->unlock();
2503	dest->vertexBufferBinding->setBinding(bindIdx, vbuf);
2504	}
2505	//---------------------------------------------------------------------
2506	//---------------------------------------------------------------------
2507	//---------------------------------------------------------------------
2508	MeshSerializerImpl_v1_1::MeshSerializerImpl_v1_1()
2509	{
2510	// Version number
2511	mVersion = "[MeshSerializer_v1.10]";
2512	}
2513	//---------------------------------------------------------------------
2514	MeshSerializerImpl_v1_1::~MeshSerializerImpl_v1_1()
2515	{
2516	}
2517	//---------------------------------------------------------------------
2518	void MeshSerializerImpl_v1_1::readGeometryTexCoords(unsigned short bindIdx,
2519	DataStreamPtr& stream, Mesh* pMesh, VertexData* dest, unsigned short texCoordSet)
2520	{
2521	float *pFloat = 0;
2522	HardwareVertexBufferSharedPtr vbuf;
2523	// unsigned short dimensions (1 for 1D, 2 for 2D, 3 for 3D)
2524	unsigned short dim;
2525	readShorts(stream, &dim, 1);
2526	// float* pTexCoords (u [v] [w] order, dimensions x numVertices)
2527	dest->vertexDeclaration->addElement(
2528	bindIdx,
2529	0,
2530	VertexElement::multiplyTypeCount(VET_FLOAT1, dim),
2531	VES_TEXTURE_COORDINATES,
2532	texCoordSet);
2533	vbuf = HardwareBufferManager::getSingleton().createVertexBuffer(
2534	dest->vertexDeclaration->getVertexSize(bindIdx),
2535	dest->vertexCount,
2536	pMesh->getVertexBufferUsage(),
2537	pMesh->isVertexBufferShadowed());
2538	pFloat = static_cast<float*>(
2539	vbuf->lock(HardwareBuffer::HBL_DISCARD));
2540	readFloats(stream, pFloat, dest->vertexCount * dim);
2541
2542	// Adjust individual v values to (1 - v)
2543	if (dim == 2)
2544	{
2545	for (size_t i = 0; i < dest->vertexCount; ++i)
2546	{
2547	++pFloat; // skip u
2548	pFloat = 1.0 - pFloat; // v = 1 - v
2549	++pFloat;
2550	}
2551
2552	}
2553	vbuf->unlock();
2554	dest->vertexBufferBinding->setBinding(bindIdx, vbuf);
2555	}
2556	//---------------------------------------------------------------------
2557	//---------------------------------------------------------------------
2558	//---------------------------------------------------------------------
2559
2560
2561
2562
2563	}
2564

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source: OGRE/trunk/ogrenew/OgreMain/src/OgreMeshSerializerImpl.cpp @ 692

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