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source: GTP/trunk/Lib/Geom/shared/GTGeometry/src/GeoMeshSaver.cpp @ 2127

Revision 2127, 23.9 KB checked in by gumbau, 18 years ago (diff)

Line
1	/*========================================================================
2	* (C) 2005 Universitat Jaume I
3	*========================================================================
4	* PROYECT: GAME TOOLS
5	=======================================================================/
6	/* CONTENT:
7	*
8	*
9	* @file GeoMeshSaver.cpp
10	=======================================================================/
11	#include <GeoMeshSaver.h>
12
13	using namespace Geometry;
14	using namespace std;
15
16	//-------------------------------------------------------------------------
17	// Public:
18	//-------------------------------------------------------------------------
19
20	//-------------------------------------------------------------------------
21	// Constructors.
22	//-------------------------------------------------------------------------
23	GeoMeshSaver::GeoMeshSaver()
24	{
25	leavesSubMesh = -1;
26	leavesVB = NULL;
27	numindices = 0;
28	indices = NULL;
29	}
30
31	//-------------------------------------------------------------------------
32	// Destructor.
33	//-------------------------------------------------------------------------
34	GeoMeshSaver::~GeoMeshSaver()
35	{
36	delete mGeoMesh;
37	}
38
39	//-------------------------------------------------------------------------
40	// Saves a Mesh into a file.
41	//-------------------------------------------------------------------------
42	size_t GeoMeshSaver::save(Mesh geoMesh, const char fileNameMesh)
43	{
44	size_t size;
45	String name(fileNameMesh);
46	SubMesh *geosubmesh;
47
48	mGeoMesh = new Mesh();
49
50	// Set the mesh.
51	mGeoMesh = geoMesh;
52
53	// Debug.
54	cout << endl
55	<< endl
56	<< "-----------------------------------"
57	<< endl
58	<< "\t SAVE MESH"
59	<< endl
60	<< "-----------------------------------"
61	<< endl
62	<< endl;
63
64	// Unnormalize geometry model.
65	unnormalizeModel(mGeoMesh);
66
67	if ((leavesSubMesh > -1) && leavesVB)
68	{
69	// Gets the leaves submesh.
70	geosubmesh = &mGeoMesh->mSubMesh[leavesSubMesh];
71
72	Vector3 bmax( geoMesh->mMeshBounds.maxX,
73	geoMesh->mMeshBounds.maxY,
74	geoMesh->mMeshBounds.maxZ);
75
76	Vector3 bmin( geoMesh->mMeshBounds.minX,
77	geoMesh->mMeshBounds.minY,
78	geoMesh->mMeshBounds.minZ);
79
80	Vector3 center = (bmax + bmin) * 0.5f;
81
82	float scale = geoMesh->mMeshBounds.scaleFactor;
83
84	geosubmesh->mSharedVertexBuffer = false;
85	geosubmesh->mStripCount = 0;
86	geosubmesh->mIndexCount = numindices;
87
88	size_t icount = geosubmesh->mIndexCount;
89
90	geosubmesh->mIndex = new Index[icount];
91
92	for (size_t i = 0; i < icount; i++)
93	{
94	geosubmesh->mIndex[i] = indices[i];
95	}
96
97	geosubmesh->mType = GEO_TRIANGLE_LIST;
98	geosubmesh->mVertexBuffer = new VertexBuffer();
99	geosubmesh->mVertexBuffer->mVertexInfo
100	= VERTEX_POSITION;
101
102	geosubmesh->mVertexBuffer->mVertexCount
103	= leavesVB->mVertexCount;
104
105	size_t vcount;
106
107	vcount = geosubmesh->mVertexBuffer->mVertexCount;
108
109	geosubmesh->mVertexBuffer->mPosition
110	= new Vector3[vcount];
111
112	geosubmesh->mVertexBuffer->mNormal
113	= new Vector3[vcount];
114
115	geosubmesh->mVertexBuffer->mTexCoords
116	= new Vector2[vcount];
117
118	for (size_t i = 0; i < vcount; i++)
119	{
120	geosubmesh->mVertexBuffer->mPosition[i].x = leavesVB->mPosition[i].x / scale + center.x;
121	geosubmesh->mVertexBuffer->mPosition[i].y = leavesVB->mPosition[i].y / scale + center.y;
122	geosubmesh->mVertexBuffer->mPosition[i].z = leavesVB->mPosition[i].z / scale + center.z;
123	geosubmesh->mVertexBuffer->mNormal[i].x = leavesVB->mNormal[i].x;
124	geosubmesh->mVertexBuffer->mNormal[i].y = leavesVB->mNormal[i].y;
125	geosubmesh->mVertexBuffer->mNormal[i].z = leavesVB->mNormal[i].z;
126	geosubmesh->mVertexBuffer->mTexCoords[i].x = leavesVB->mTexCoords[i].x;
127	geosubmesh->mVertexBuffer->mTexCoords[i].y = leavesVB->mTexCoords[i].y;
128	}
129	}
130
131	// Open the file.
132	mSerializer = new Serializer(name,Serializer::WRITE);
133
134	// Write the file header.
135	writeFileHeader();
136
137	// Write the mesh data.
138	writeMesh(mGeoMesh);
139
140	size = mSerializer->GetSize();
141
142	// Close the file.
143	delete mSerializer;
144
145	// Return the number of bytes written.
146	return size;
147	}
148
149	//-------------------------------------------------------------------------
150	// Private:
151	//-------------------------------------------------------------------------
152
153	//-------------------------------------------------------------------------
154	// Write the main mesh.
155	//-------------------------------------------------------------------------
156	void GeoMeshSaver::writeMesh(Mesh *geoMesh)
157	{
158	// Header
159	writeChunkHeader(M_MESH, (unsigned long)calcMeshSize(geoMesh));
160
161	// Debug.
162	cout << " M_MESH"
163	<< endl;
164
165	// Write the skeletally animated flag.
166	writeBools(geoMesh->hasSkeleton,1);
167
168	// Write shared geometry.
169	if (geoMesh->mVertexBuffer->mVertexCount > 0)
170	{
171	writeGeometry(geoMesh->mVertexBuffer);
172	}
173
174	// Write submeshes.
175	for (size_t i = 0; i < geoMesh->mSubMeshCount; i++)
176	{
177	writeSubMesh(&geoMesh->mSubMesh[i]);
178	}
179
180	// Write skeleton info if required
181	if (geoMesh->hasSkeleton)
182	{
183	// Write skeleton link
184	writeSkeletonLink(geoMesh->mSkeletonName);
185
186	// Write bone assignments
187	if (!geoMesh->mBones.empty())
188	{
189
190	for (size_t i = 0; i< geoMesh->mBones.size(); i++)
191	{
192	writeMeshBoneAssignment(geoMesh->mBones[i]);
193	}
194
195	}
196	}
197
198	// Write the mesh bounds.
199	writeMeshBounds(geoMesh);
200
201	/*
202	// Write LOD data if any
203	if (pMesh->getNumLodLevels() > 1)
204	{
205	LogManager::getSingleton().logMessage("Exporting LOD information....");
206	writeLodInfo(pMesh);
207	LogManager::getSingleton().logMessage("LOD information exported.");
208
209	}
210	// Write bounds information
211	LogManager::getSingleton().logMessage("Exporting bounds information....");
212	writeBoundsInfo(pMesh);
213	LogManager::getSingleton().logMessage("Bounds information exported.");
214
215	// Write submesh name table
216	LogManager::getSingleton().logMessage("Exporting submesh name table...");
217	writeSubMeshNameTable(pMesh);
218	LogManager::getSingleton().logMessage("Submesh name table exported.");
219
220	// Write edge lists
221	if (pMesh->isEdgeListBuilt())
222	{
223	LogManager::getSingleton().logMessage("Exporting edge lists...");
224	writeEdgeList(pMesh);
225	LogManager::getSingleton().logMessage("Edge lists exported");
226	}
227	*/
228	}// End write mesh.
229
230	//-------------------------------------------------------------------------
231	// Write a submesh.
232	//-------------------------------------------------------------------------
233	void GeoMeshSaver::writeSubMesh(SubMesh *geoSubMesh)
234	{
235	bool idx32bit;
236	size_t indexCount;
237	//Index *index;
238	//Index *indexBegin;
239	//Index *indexEnd;
240
241	// Header.
242	writeChunkHeader(M_SUBMESH, (unsigned long)calcSubMeshSize(geoSubMesh));
243
244	// Debug.
245	cout << " M_SUBMESH"
246	<< endl;
247
248	// Material Name.
249	strcat(geoSubMesh->mMaterialName,"\n");
250	mSerializer->WriteData(geoSubMesh->mMaterialName);
251
252	// bool useSharedVertices
253	writeBools(geoSubMesh->mSharedVertexBuffer, 1);
254
255	indexCount = geoSubMesh->mIndexCount;
256
257	/*
258	// If the submesh is in triangle strips.
259	if (geoSubMesh->mType == GEO_TRIANGLE_STRIPS)
260	{
261	indexCount += (2 * geoSubMesh->mStripCount)
262	-
263	2;
264	}
265	*/
266
267	// Write index count.
268	writeInts((unsigned long)indexCount, 1);
269
270	// bool indexes32Bit
271	idx32bit = true;
272	writeBools(idx32bit, 1);
273
274	/*
275	// If the submesh is in triangle strips.
276	if (geoSubMesh->mType == GEO_TRIANGLE_STRIPS)
277	{
278	// For each one of the strips.
279	for (int strip = 0; strip < geoSubMesh->mStripCount; strip++)
280	{
281	// First index of the strip.
282	indexBegin = geoSubMesh->mStrip[strip];
283
284	// If is the final strip
285	if (strip == (geoSubMesh->mStripCount - 1))
286	{
287	// The end of the index array.
288	indexEnd = &geoSubMesh->mIndex[geoSubMesh->mIndexCount];
289	}
290	else
291	{
292	// The beginning of the next strip.
293	indexEnd = geoSubMesh->mStrip[strip + 1];
294	}
295
296	int i;
297	i = 0;
298
299	// Degenerate.
300	if (strip != 0)
301	{
302	writeInts(indexBegin[i], 1);
303	}
304
305	// For each index of the strip.
306	for (index = indexBegin; index < indexEnd; index++)
307	{
308	writeInts(indexBegin[i], 1);
309
310	// Increments i.
311	i++;
312	}
313
314	// Degenerate.
315	if (strip != (geoSubMesh->mStripCount - 1))
316	{
317	writeInts(indexBegin[i - 1], 1);
318	}
319	}
320	}
321	// If the submesh is in triangle list.
322	else
323	{
324	*/
325	// Write the index array.
326	for (size_t i = 0; i < geoSubMesh->mIndexCount; i++)
327	{
328	writeInts(geoSubMesh->mIndex[i], 1);
329	}
330	//}
331
332	// M_GEOMETRY stream (Optional: present only if useSharedVertices = false)
333	if (!geoSubMesh->mSharedVertexBuffer)
334	{
335	writeGeometry(geoSubMesh->mVertexBuffer);
336	}
337
338	// Operation type
339	writeSubMeshOperation(geoSubMesh);
340
341	// Bone assignments.
342	if (!geoSubMesh->mBones.empty())
343	{
344	for (size_t i = 0; i < geoSubMesh->mBones.size(); i++)
345	{
346	writeSubMeshBoneAssignment(geoSubMesh->mBones[i]);
347	}
348	}
349	}
350
351	//-------------------------------------------------------------------------
352	// Write the submesh operation chunk and data.
353	//-------------------------------------------------------------------------
354	void GeoMeshSaver::writeSubMeshOperation(const SubMesh *geoSubMesh)
355	{
356	unsigned short opType;
357	unsigned long size;
358
359	size = CHUNK_OVERHEAD_SIZE + sizeof(unsigned short);
360
361	// Header
362	writeChunkHeader(M_SUBMESH_OPERATION, size);
363
364	// Debug.
365	cout << " M_SUBMESH_OPERATION"
366	<< endl;
367
368	// If the mesh is in triangle strips.
369	if (geoSubMesh->mType == GEO_TRIANGLE_STRIPS)
370	{
371	opType = 5;
372	}
373	// If the mesh is in triangle list.
374	else
375	{
376	opType = 4;
377	}
378
379	writeShorts(opType, 1);
380	}
381
382	//-------------------------------------------------------------------------
383	// Write geometry.
384	//-------------------------------------------------------------------------
385	void GeoMeshSaver::writeGeometry(VertexBuffer *vertexBuffer)
386	{
387	unsigned short element;
388	unsigned long size;
389	unsigned short buffer_count;
390
391	buffer_count = 3;
392
393	// Calculate the size in bytes of the geometry chunk.
394	size = (unsigned long)calcGeometrySize(vertexBuffer);
395
396	// Header.
397	//
398	// Write the M_GEOMETRY header.
399	writeChunkHeader(M_GEOMETRY, size);
400
401	// Debug.
402	cout << " M_GEOMETRY"
403	<< endl;
404
405	writeInts((unsigned long)vertexBuffer->mVertexCount,1);
406
407	// Vertex declaration.
408	// Calculate the size of vertex declaration.
409	size = CHUNK_OVERHEAD_SIZE
410	+
411	buffer_count
412	*
413	(CHUNK_OVERHEAD_SIZE + (sizeof(unsigned short) * 5));
414
415	// Write the vertex declaration header.
416	writeChunkHeader( M_GEOMETRY_VERTEX_DECLARATION,size);
417
418	// Debug.
419	cout << " M_GEOMETRY_VERTEX_DECLARATION"
420	<< endl;
421
422	// Obtain the size of the vertex element chunk.
423	size = CHUNK_OVERHEAD_SIZE + (sizeof(unsigned short) * 5);
424
425	// Positions.
426	// Write the vertex element header for position.
427	writeChunkHeader( M_GEOMETRY_VERTEX_ELEMENT,size);
428
429	// Debug.
430	cout << " M_GEOMETRY_VERTEX_ELEMENT"
431	<< endl;
432
433	element = 0;
434	writeShorts(element,1);
435
436	element = VET_FLOAT3;
437	writeShorts(element,1);
438
439	element = VES_POSITION;
440	writeShorts(element,1);
441
442	element = 0;
443	writeShorts(element,1);
444
445	element = 0;
446	writeShorts(element,1);
447
448	// Normals.
449	// Write the vertex element header for position.
450	writeChunkHeader( M_GEOMETRY_VERTEX_ELEMENT,size);
451
452	// Debug.
453	cout << " M_GEOMETRY_VERTEX_ELEMENT"
454	<< endl;
455
456	element = 1;
457	writeShorts(element,1);
458
459	element = VET_FLOAT3;
460	writeShorts(element,1);
461
462	element = VES_NORMAL;
463	writeShorts(element,1);
464
465	element = 0;
466	writeShorts(element,1);
467
468	element = 0;
469	writeShorts(element,1);
470
471	// Textures.
472	// Write the vertex element header for position.
473	writeChunkHeader(M_GEOMETRY_VERTEX_ELEMENT,size);
474
475	// Debug.
476	cout << " M_GEOMETRY_VERTEX_ELEMENT"
477	<< endl;
478
479	element = 2;
480	writeShorts(element,1);
481
482	element = VET_FLOAT2;
483	writeShorts(element,1);
484
485	element = VES_TEXTURE_COORDINATES;
486	writeShorts(element,1);
487
488	element = 0;
489	writeShorts(element,1);
490
491	element = 0;
492	writeShorts(element,1);
493
494	// Obtain the size for vertex buffer header for positons.
495	size = (2 * CHUNK_OVERHEAD_SIZE) + (2 * sizeof(unsigned short));
496
497	// Write the vertex buffer header for positions.
498	writeChunkHeader(M_GEOMETRY_VERTEX_BUFFER, size);
499
500	// Debug.
501	cout << " M_GEOMETRY_VERTEX_BUFFER"
502	<< endl;
503
504	element = 0;
505	writeShorts(element,1);
506
507	element = 12;
508	writeShorts(element,1);
509
510	// Obtain the size for the vertex buffer data header for positions.
511	size = CHUNK_OVERHEAD_SIZE
512	+
513	((sizeof(float) * 3) * vertexBuffer->mVertexCount);
514
515	// Write the vertex buffer data header for positions.
516	writeChunkHeader(M_GEOMETRY_VERTEX_BUFFER_DATA, size);
517
518	// Debug.
519	cout << " M_GEOMETRY_VERTEX_BUFFER_DATA"
520	<< endl;
521
522	// Write all the positions coords.
523	mSerializer->WriteArray(vertexBuffer->mPosition,
524	vertexBuffer->mVertexCount);
525
526	// Obtain the size for vertex buffer header for normals.
527	size = (2 * CHUNK_OVERHEAD_SIZE) + (2 * sizeof(unsigned short));
528
529	// Write the vertex buffer header.
530	writeChunkHeader( M_GEOMETRY_VERTEX_BUFFER, size);
531
532	// Debug.
533	cout << " M_GEOMETRY_VERTEX_BUFFER"
534	<< endl;
535
536	element = 1;
537	writeShorts(element,1);
538
539	element = 12;
540	writeShorts(element,1);
541
542	// Obtain the size for the vertex buffer data header for normals.
543	size = CHUNK_OVERHEAD_SIZE
544	+
545	((sizeof(float) * 3) * vertexBuffer->mVertexCount);
546
547	// Write the vertex buffer data header for normals.
548	writeChunkHeader(M_GEOMETRY_VERTEX_BUFFER_DATA, size);
549
550	// Debug.
551	cout << " M_GEOMETRY_VERTEX_BUFFER_DATA"
552	<< endl;
553
554	// Write all the normals coords.
555	mSerializer->WriteArray(vertexBuffer->mNormal,
556	vertexBuffer->mVertexCount);
557
558	// Obtain the size for vertex buffer header for textures.
559	size = (2 * CHUNK_OVERHEAD_SIZE) + (2 * sizeof(unsigned short));
560
561	// Write the vertex buffer header for textures.
562	writeChunkHeader(M_GEOMETRY_VERTEX_BUFFER, size);
563
564	// Debug.
565	cout << " M_GEOMETRY_VERTEX_BUFFER"
566	<< endl;
567
568	element = 2;
569	writeShorts(element,1);
570
571	element = 8;
572	writeShorts(element,1);
573
574	// Obtain the size for the vertex buffer data header for textures.
575	size = CHUNK_OVERHEAD_SIZE
576	+
577	((sizeof(float) * 2) * vertexBuffer->mVertexCount);
578
579	// Write the vertex buffer data header for textures.
580	writeChunkHeader(M_GEOMETRY_VERTEX_BUFFER_DATA, size);
581
582	// Debug.
583	cout << " M_GEOMETRY_VERTEX_BUFFER_DATA"
584	<< endl;
585
586	// Write all the texture coords.
587	mSerializer->WriteArray(vertexBuffer->mTexCoords,
588	vertexBuffer->mVertexCount);
589	}
590
591	//-------------------------------------------------------------------------
592	// Write Mesh Bounds.
593	//-------------------------------------------------------------------------
594	void GeoMeshSaver::writeMeshBounds(Mesh *geoMesh)
595	{
596	size_t size;
597
598	size = CHUNK_OVERHEAD_SIZE
599	+
600	(sizeof(float) * 7);
601
602	writeChunkHeader(M_MESH_BOUNDS, (unsigned long)size);
603
604	// Debug.
605	cout << " M_MESH_BOUNDS"
606	<< endl;
607
608	writeFloats(geoMesh->mMeshBounds.minX,1);
609	writeFloats(geoMesh->mMeshBounds.minY,1);
610	writeFloats(geoMesh->mMeshBounds.minZ,1);
611	writeFloats(geoMesh->mMeshBounds.maxX,1);
612	writeFloats(geoMesh->mMeshBounds.maxY,1);
613	writeFloats(geoMesh->mMeshBounds.maxZ,1);
614	writeFloats(geoMesh->mMeshBounds.radius,1);
615	}
616
617	//-------------------------------------------------------------------------
618	// Calculate the mesh size in bytes.
619	//-------------------------------------------------------------------------
620	size_t GeoMeshSaver::calcMeshSize(const Mesh *geoMesh)
621	{
622	size_t size = CHUNK_OVERHEAD_SIZE;
623
624	// Number of shared vertices
625	size += sizeof(uint32);
626
627	// Geometry
628	if (geoMesh->mVertexBuffer->mVertexCount > 0)
629	{
630	size += calcGeometrySize(geoMesh->mVertexBuffer);
631	}
632
633	// Submeshes
634	for (unsigned short i = 0; i < geoMesh->mSubMeshCount; ++i)
635	{
636	size += calcSubMeshSize(&geoMesh->mSubMesh[i]);
637	}
638
639	// Mesh Bounds size added.
640	size += CHUNK_OVERHEAD_SIZE
641	+
642	(sizeof(float) * 7);
643
644	// Skeleton link
645	if (geoMesh->hasSkeleton)
646	{
647	size += calcSkeletonLinkSize(geoMesh);
648	}
649
650	/*
651	// Submesh name table
652	size += calcSubMeshNameTableSize(geoMesh);
653
654	// Edge list
655	if (geoMesh->isEdgeListBuilt())
656	{
657	size += calcEdgeListSize(geoMesh);
658	}
659	*/
660
661	return size;
662	}
663
664	//-------------------------------------------------------------------------
665	// Calc the size in bytes for the submesh.
666	//-------------------------------------------------------------------------
667	size_t GeoMeshSaver::calcSubMeshSize(const SubMesh *geoSubMesh)
668	{
669	size_t size = CHUNK_OVERHEAD_SIZE;
670
671	// Material name
672	size += strlen(geoSubMesh->mMaterialName);
673
674	// bool useSharedVertices
675	size += sizeof(bool);
676	// unsigned int indexCount
677	size += sizeof(unsigned int);
678	// bool indexes32bit
679	size += sizeof(bool);
680
681	// unsigned int* faceVertexIndices
682	size += sizeof(unsigned int) * geoSubMesh->mIndexCount;
683
684	// Geometry
685	if (!geoSubMesh->mSharedVertexBuffer)
686	{
687	size += calcGeometrySize(geoSubMesh->mVertexBuffer);
688	}
689
690	return size;
691	}
692
693	//-------------------------------------------------------------------------
694	// Calculate the geometry size in bytes.
695	//-------------------------------------------------------------------------
696	size_t GeoMeshSaver::calcGeometrySize(const VertexBuffer* vertexBuffer)
697	{
698	unsigned long size;
699	unsigned long buffer_count;
700
701	// and another for normals.
702	buffer_count = 3;
703
704	// Calculate the size of the Geometry chunk.
705	size = CHUNK_OVERHEAD_SIZE + sizeof(unsigned int);
706	size = size
707	+
708	CHUNK_OVERHEAD_SIZE
709	+
710	buffer_count
711	*
712	(CHUNK_OVERHEAD_SIZE + (sizeof(unsigned short) * 5));
713	size = size
714	+
715	buffer_count
716	*
717	( (CHUNK_OVERHEAD_SIZE * 2)
718	+
719	(sizeof(unsigned short) * 2)
720	+
721	vertexBuffer->mVertexCount
722	);
723
724	return size;
725	}
726
727	//-------------------------------------------------------------------------
728	// Calculate the skeleton link size in bytes.
729	//-------------------------------------------------------------------------
730	size_t GeoMeshSaver::calcSkeletonLinkSize(const Mesh *geoMesh)
731	{
732	size_t size = CHUNK_OVERHEAD_SIZE;
733	size += strlen(geoMesh->mSkeletonName);
734
735	// Debug.
736	//cout << "Length Skeleton Link: "
737	// << strlen(geoMesh->mSkeletonName)
738	// << endl;
739
740	return size;
741	}
742
743	//-------------------------------------------------------------------------
744	// Write the file header.
745	//-------------------------------------------------------------------------
746	void GeoMeshSaver::writeFileHeader(void)
747	{
748	String mesh_version("[MeshSerializer_v1.30]\n");
749
750	writeShorts(M_HEADER, 1);
751
752	writeString(mesh_version);
753
754	}
755
756	//-------------------------------------------------------------------------
757	// Write a header chunk given.
758	//-------------------------------------------------------------------------
759	void GeoMeshSaver::writeChunkHeader(unsigned short id,
760	unsigned long size)
761	{
762	mSerializer->WriteData(&id,sizeof(unsigned short),1);
763	mSerializer->WriteData(&size,sizeof(unsigned long),1);
764	}
765
766	//-------------------------------------------------------------------------
767	// Write integers into the file.
768	//-------------------------------------------------------------------------
769	void GeoMeshSaver::writeInts(unsigned long id,
770	unsigned long count)
771	{
772	mSerializer->WriteData(&id,sizeof(id),count);
773	}
774
775	//-------------------------------------------------------------------------
776	// Write shorts into the file
777	//-------------------------------------------------------------------------
778	void GeoMeshSaver::writeShorts(unsigned short id,
779	unsigned long count)
780	{
781	mSerializer->WriteData(&id,sizeof(id),count);
782	}
783
784	//-------------------------------------------------------------------------
785	// Write float into the file.
786	//-------------------------------------------------------------------------
787	void GeoMeshSaver::writeFloats(float id,
788	unsigned long count)
789	{
790	mSerializer->WriteData(&id,sizeof(id),count);
791	}
792
793	//-------------------------------------------------------------------------
794	// Write a string into the file.
795	//-------------------------------------------------------------------------
796	void GeoMeshSaver::writeString(const String &string)
797	{
798	mSerializer->WriteData(string);
799	}
800
801	//-------------------------------------------------------------------------
802	// Write booleans into the file.
803	//-------------------------------------------------------------------------
804	void GeoMeshSaver::writeBools( const bool id,
805	unsigned long count)
806	{
807	mSerializer->WriteData(&id,sizeof(bool),count);
808	}
809
810	//-------------------------------------------------------------------------
811	// Write skeleton filename.
812	//-------------------------------------------------------------------------
813	void GeoMeshSaver::writeSkeletonLink(const String& skelName)
814	{
815	writeChunkHeader( M_MESH_SKELETON_LINK,
816	(unsigned long)calcSkeletonLinkSize(mGeoMesh));
817
818	// Debug.
819	cout << " M_MESH_SKELETON_LINK"
820	<< endl;
821
822	writeString(skelName);
823	}
824
825	//-------------------------------------------------------------------------
826	// Write bones assignmets.
827	//-------------------------------------------------------------------------
828	void GeoMeshSaver::writeMeshBoneAssignment(const VertexBoneAssignment& assign)
829	{
830	size_t size = CHUNK_OVERHEAD_SIZE + sizeof(unsigned int) + sizeof(unsigned short)+ sizeof(float);
831
832	writeChunkHeader(M_MESH_BONE_ASSIGNMENT, (unsigned long)size);
833
834	// unsigned int vertexIndex;
835	writeInts(assign.vertexIndex, 1);
836	// unsigned short boneIndex;
837	writeShorts(assign.boneIndex, 1);
838	// float weight;
839	writeFloats(assign.weight, 1);
840	}
841
842	//-------------------------------------------------------------------------
843	// Write bones assignmets.
844	//-------------------------------------------------------------------------
845	void GeoMeshSaver::writeSubMeshBoneAssignment(const VertexBoneAssignment& assign)
846	{
847	size_t size = CHUNK_OVERHEAD_SIZE + sizeof(unsigned int) + sizeof(unsigned short)+ sizeof(float);
848
849	writeChunkHeader(M_SUBMESH_BONE_ASSIGNMENT, (unsigned long)size);
850
851	// unsigned int vertexIndex;
852	writeInts(assign.vertexIndex, 1);
853	// unsigned short boneIndex;
854	writeShorts(assign.boneIndex, 1);
855	// float weight;
856	writeFloats(assign.weight, 1);
857	}
858
859	//-------------------------------------------------------------------------
860	// unnormalize geometry model.
861	//-------------------------------------------------------------------------
862	void GeoMeshSaver::unnormalizeModel(Mesh *geoMesh)
863	{
864	float maxx;
865	float maxy;
866	float maxz;
867	float minx;
868	float miny;
869	float minz;
870	float cx;
871	float cy;
872	float cz;
873	float scale;
874
875	VertexBuffer *vertex_buffer;
876
877	maxx = geoMesh->mMeshBounds.maxX;
878	maxy = geoMesh->mMeshBounds.maxY;
879	maxz = geoMesh->mMeshBounds.maxZ;
880	minx = geoMesh->mMeshBounds.minX;
881	miny = geoMesh->mMeshBounds.minY;
882	minz = geoMesh->mMeshBounds.minZ;
883	scale = geoMesh->mMeshBounds.scaleFactor;
884
885	// Calculate center of the model.
886	cx = (maxx + minx) / 2.0f;
887	cy = (maxy + miny) / 2.0f;
888	cz = (maxz + minz) / 2.0f;
889
890	// Translate around center then scale.
891	// For each submesh.
892
893	bool sharedScaled = false;
894
895	for (size_t submesh = 0; submesh < geoMesh->mSubMeshCount; submesh++)
896	{
897	// Gets the actual submesh.
898	vertex_buffer = geoMesh->mSubMesh[submesh].mVertexBuffer;
899
900	if (geoMesh->mSubMesh[submesh].mSharedVertexBuffer && sharedScaled)
901	{
902	continue;
903	}
904
905	// For each index of the strip.
906	for (size_t i = 0; i < vertex_buffer->mVertexCount; i++)
907	{
908	vertex_buffer->mPosition[i].x /= scale;
909	vertex_buffer->mPosition[i].y /= scale;
910	vertex_buffer->mPosition[i].z /= scale;
911	vertex_buffer->mPosition[i].x += cx;
912	vertex_buffer->mPosition[i].y += cy;
913	vertex_buffer->mPosition[i].z += cz;
914	}
915
916	// If is a shared vertex Buffer.
917	if (geoMesh->mSubMesh[submesh].mSharedVertexBuffer)
918	{
919	sharedScaled = true;
920	}
921	}
922	}
923

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