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