?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Change Encyclo button name and macros icon
[ryzomcore.git] / nel / src / 3d / mesh_mrm.cpp
blobf31720f353b067c599a2bee7f4732cdba11add81
1 // NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
2 // Copyright (C) 2010 Winch Gate Property Limited
3 //
4 // This program is free software: you can redistribute it and/or modify
5 // it under the terms of the GNU Affero General Public License as
6 // published by the Free Software Foundation, either version 3 of the
7 // License, or (at your option) any later version.
8 //
9 // This program is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU Affero General Public License for more details.
13 //
14 // You should have received a copy of the GNU Affero General Public License
15 // along with this program. If not, see <http://www.gnu.org/licenses/>.
16
17 #include "std3d.h"
18
19 #include "nel/misc/bsphere.h"
20 #include "nel/misc/system_info.h"
21 #include "nel/misc/hierarchical_timer.h"
22 #include "nel/misc/fast_mem.h"
23 #include "nel/3d/mesh_mrm.h"
24 #include "nel/3d/mrm_builder.h"
25 #include "nel/3d/mrm_parameters.h"
26 #include "nel/3d/mesh_mrm_instance.h"
27 #include "nel/3d/scene.h"
28 #include "nel/3d/skeleton_model.h"
29 #include "nel/3d/stripifier.h"
30 #include "nel/3d/mesh_blender.h"
31 #include "nel/3d/render_trav.h"
32 #include "nel/misc/fast_floor.h"
33 #include "nel/3d/raw_skin.h"
34 #include "nel/3d/shifted_triangle_cache.h"
35 #include "nel/3d/texture_file.h"
36
37
38 using namespace NLMISC;
39 using namespace std;
40
41 #ifdef DEBUG_NEW
42 #define new DEBUG_NEW
43 #endif
44
45 namespace NL3D
46 {
47
48
49 H_AUTO_DECL( NL3D_MeshMRMGeom_RenderShadow )
50
51
52 // ***************************************************************************
53 // ***************************************************************************
54 // CMeshMRMGeom::CLod
55 // ***************************************************************************
56 // ***************************************************************************
57
58
59 // ***************************************************************************
60 void CMeshMRMGeom::CLod::serial(NLMISC::IStream &f)
61 {
62 /*
63 Version 2:
64 - precompute of triangle order. (nothing more to load).
65 Version 1:
66 - add VertexBlocks;
67 Version 0:
68 - base vdrsion.
69 */
70
71 sint ver= f.serialVersion(2);
72 uint i;
73
74 f.serial(NWedges);
75 f.serialCont(RdrPass);
76 f.serialCont(Geomorphs);
77 f.serialCont(MatrixInfluences);
78
79 // Serial array of InfluencedVertices. NB: code written so far for NL3D_MESH_SKINNING_MAX_MATRIX==4 only.
80 nlassert(NL3D_MESH_SKINNING_MAX_MATRIX==4);
81 for(i= 0; i<NL3D_MESH_SKINNING_MAX_MATRIX; i++)
82 {
83 f.serialCont(InfluencedVertices[i]);
84 }
85
86 if(ver>=1)
87 f.serialCont(SkinVertexBlocks);
88 else
89 buildSkinVertexBlocks();
90
91 // if >= version 2, reorder of triangles is precomputed, else compute it now.
92 if(ver<2)
93 optimizeTriangleOrder();
94
95 }
96
97
98 // ***************************************************************************
99 void CMeshMRMGeom::CLod::buildSkinVertexBlocks()
100 {
101 contReset(SkinVertexBlocks);
102
103
104 // The list of vertices. true if used by this lod.
105 vector<bool> vertexMap;
106 vertexMap.resize(NWedges, false);
107
108
109 // from InfluencedVertices, aknoledge what vertices are used.
110 uint i;
111 for(i=0;i<NL3D_MESH_SKINNING_MAX_MATRIX;i++)
112 {
113 uint nInf= (uint)InfluencedVertices[i].size();
114 if( nInf==0 )
115 continue;
116 uint32 *infPtr= &(InfluencedVertices[i][0]);
117
118 // for all InfluencedVertices only.
119 for(;nInf>0;nInf--, infPtr++)
120 {
121 uint index= *infPtr;
122 vertexMap[index]= true;
123 }
124 }
125
126 // For all vertices, test if they are used, and build the according SkinVertexBlocks;
127 CVertexBlock *vBlock= NULL;
128 for(i=0; i<vertexMap.size();i++)
129 {
130 if(vertexMap[i])
131 {
132 // preceding block?
133 if(vBlock)
134 {
135 // yes, extend it.
136 vBlock->NVertices++;
137 }
138 else
139 {
140 // no, append a new one.
141 SkinVertexBlocks.push_back(CVertexBlock());
142 vBlock= &SkinVertexBlocks[SkinVertexBlocks.size()-1];
143 vBlock->VertexStart= i;
144 vBlock->NVertices= 1;
145 }
146 }
147 else
148 {
149 // Finish the preceding block (if any).
150 vBlock= NULL;
151 }
152 }
153
154 }
155
156
157 // ***************************************************************************
158 void CMeshMRMGeom::CLod::optimizeTriangleOrder()
159 {
160 CStripifier stripifier;
161
162 // for all rdrpass
163 for(uint rp=0; rp<RdrPass.size(); rp++ )
164 {
165 // stripify list of triangles of this pass.
166 CRdrPass &pass= RdrPass[rp];
167 stripifier.optimizeTriangles(pass.PBlock, pass.PBlock);
168 }
169
170 }
171
172
173 // ***************************************************************************
174 // ***************************************************************************
175 // CMeshMRMGeom.
176 // ***************************************************************************
177 // ***************************************************************************
178
179
180
181
182 // ***************************************************************************
183 static NLMISC::CAABBoxExt makeBBox(const std::vector<CVector> &Vertices)
184 {
185 NLMISC::CAABBox ret;
186 nlassert(!Vertices.empty());
187 ret.setCenter(Vertices[0]);
188 for(sint i=0;i<(sint)Vertices.size();i++)
189 {
190 ret.extend(Vertices[i]);
191 }
192
193 return ret;
194 }
195
196
197 // ***************************************************************************
198 CMeshMRMGeom::CMeshMRMGeom()
199 {
200 _Skinned= false;
201 _NbLodLoaded= 0;
202 _BoneIdComputed = false;
203 _BoneIdExtended = false;
204 _PreciseClipping= false;
205 _SupportSkinGrouping= false;
206 _MeshDataId= 0;
207 _SupportMeshBlockRendering= false;
208 _MBRCurrentLodId= 0;
209 _SupportShadowSkinGrouping= false;
210 }
211
212
213 // ***************************************************************************
214 CMeshMRMGeom::~CMeshMRMGeom()
215 {
216 }
217
218
219 // ***************************************************************************
220 void CMeshMRMGeom::changeMRMDistanceSetup(float distanceFinest, float distanceMiddle, float distanceCoarsest)
221 {
222 // check input.
223 if(distanceFinest<0) return;
224 if(distanceMiddle<=distanceFinest) return;
225 if(distanceCoarsest<=distanceMiddle) return;
226
227 // Change.
228 _LevelDetail.DistanceFinest= distanceFinest;
229 _LevelDetail.DistanceMiddle= distanceMiddle;
230 _LevelDetail.DistanceCoarsest= distanceCoarsest;
231
232 // compile
233 _LevelDetail.compileDistanceSetup();
234 }
235
236
237 // ***************************************************************************
238 void CMeshMRMGeom::build(CMesh::CMeshBuild &m, std::vector<CMesh::CMeshBuild*> &bsList,
239 uint numMaxMaterial, const CMRMParameters &params)
240 {
241 // Empty geometry?
242 if(m.Vertices.empty() || m.Faces.empty())
243 {
244 _VBufferFinal.setNumVertices(0);
245 _VBufferFinal.reserve(0);
246 _Lods.clear();
247 _BBox.setCenter(CVector::Null);
248 _BBox.setSize(CVector::Null);
249 return;
250 }
251 nlassert(numMaxMaterial>0);
252
253
254 // SmartPtr Copy VertexProgram effect.
255 //================================================
256 this->_MeshVertexProgram= m.MeshVertexProgram;
257
258
259 /// 0. First, make bbox.
260 //======================
261 // NB: this is equivalent as building BBox from MRM VBuffer, because CMRMBuilder create new vertices
262 // which are just interpolation of original vertices.
263 _BBox= makeBBox(m.Vertices);
264
265
266 /// 1. Launch the MRM build process.
267 //================================================
268 CMRMBuilder mrmBuilder;
269 CMeshBuildMRM meshBuildMRM;
270
271 mrmBuilder.compileMRM(m, bsList, params, meshBuildMRM, numMaxMaterial);
272
273 // Then just copy result!
274 //================================================
275 _VBufferFinal= meshBuildMRM.VBuffer;
276 _Lods= meshBuildMRM.Lods;
277 _Skinned= meshBuildMRM.Skinned;
278 _SkinWeights= meshBuildMRM.SkinWeights;
279
280 // Compute degradation control.
281 //================================================
282 _LevelDetail.DistanceFinest= meshBuildMRM.DistanceFinest;
283 _LevelDetail.DistanceMiddle= meshBuildMRM.DistanceMiddle;
284 _LevelDetail.DistanceCoarsest= meshBuildMRM.DistanceCoarsest;
285 nlassert(_LevelDetail.DistanceFinest>=0);
286 nlassert(_LevelDetail.DistanceMiddle > _LevelDetail.DistanceFinest);
287 nlassert(_LevelDetail.DistanceCoarsest > _LevelDetail.DistanceMiddle);
288 // Compute OODistDelta and DistancePow
289 _LevelDetail.compileDistanceSetup();
290
291
292 // Build the _LodInfos.
293 //================================================
294 _LodInfos.resize(_Lods.size());
295 uint32 precNWedges= 0;
296 uint i;
297 for(i=0;i<_Lods.size();i++)
298 {
299 _LodInfos[i].StartAddWedge= precNWedges;
300 _LodInfos[i].EndAddWedges= _Lods[i].NWedges;
301 precNWedges= _Lods[i].NWedges;
302 // LodOffset is filled in serial() when stream is input.
303 }
304 // After build, all lods are present in memory.
305 _NbLodLoaded= (uint)_Lods.size();
306
307
308 // For load balancing.
309 //================================================
310 // compute Max Face Used
311 _LevelDetail.MaxFaceUsed= 0;
312 _LevelDetail.MinFaceUsed= 0;
313 // Count of primitive block
314 if (!_Lods.empty())
315 {
316 uint pb;
317 // Compute MinFaces.
318 CLod &firstLod= _Lods[0];
319 for (pb=0; pb<firstLod.RdrPass.size(); pb++)
320 {
321 CRdrPass &pass= firstLod.RdrPass[pb];
322 // Sum tri
323 _LevelDetail.MinFaceUsed+= pass.PBlock.getNumIndexes ()/3;
324 }
325 // Compute MaxFaces.
326 CLod &lastLod= _Lods[_Lods.size()-1];
327 for (pb=0; pb<lastLod.RdrPass.size(); pb++)
328 {
329 CRdrPass &pass= lastLod.RdrPass[pb];
330 // Sum tri
331 _LevelDetail.MaxFaceUsed+= pass.PBlock.getNumIndexes ()/3;
332 }
333 }
334
335
336 // For skinning.
337 //================================================
338 if( _Skinned )
339 {
340 bkupOriginalSkinVertices();
341 }
342 // Inform that the mesh data has changed
343 dirtMeshDataId();
344
345
346 // For AGP SKinning optim, and for Render optim
347 //================================================
348 for(i=0;i<_Lods.size();i++)
349 {
350 _Lods[i].buildSkinVertexBlocks();
351 // sort triangles for better cache use.
352 _Lods[i].optimizeTriangleOrder();
353 }
354
355 // Copy Blend Shapes
356 //================================================
357 _MeshMorpher.BlendShapes = meshBuildMRM.BlendShapes;
358
359
360 // Compact bone id and build a bone id names
361 //================================================
362
363 // Skinned ?
364 if (_Skinned)
365 {
366 // Remap
367 std::map<uint, uint> remap;
368
369 // Current bone
370 uint currentBone = 0;
371
372 // Reserve memory
373 _BonesName.reserve (m.BonesNames.size());
374
375 // For each vertices
376 uint vert;
377 for (vert=0; vert<_SkinWeights.size(); vert++)
378 {
379 // Found one ?
380 bool found=false;
381
382 // For each weight
383 uint weight;
384 for (weight=0; weight<NL3D_MESH_SKINNING_MAX_MATRIX; weight++)
385 {
386 // Active ?
387 if ((_SkinWeights[vert].Weights[weight]>0)||(weight==0))
388 {
389 // Look for it
390 std::map<uint, uint>::iterator ite = remap.find (_SkinWeights[vert].MatrixId[weight]);
391
392 // Find ?
393 if (ite == remap.end())
394 {
395 // Insert it
396 remap.insert (std::map<uint, uint>::value_type (_SkinWeights[vert].MatrixId[weight], currentBone));
397
398 // Check the id
399 nlassert (_SkinWeights[vert].MatrixId[weight]<m.BonesNames.size());
400
401 // Set the bone name
402 _BonesName.push_back (m.BonesNames[_SkinWeights[vert].MatrixId[weight]]);
403
404 // Set the local bone id
405 _SkinWeights[vert].MatrixId[weight] = currentBone++;
406 }
407 else
408 {
409 // Set the local bone id
410 _SkinWeights[vert].MatrixId[weight] = ite->second;
411 }
412
413 // Found one
414 found = true;
415 }
416 }
417
418 // Found one ?
419 nlassert (found);
420 }
421
422 // Remap the vertex influence by lods
423 uint lod;
424 for (lod=0; lod<_Lods.size(); lod++)
425 {
426 // For each matrix used
427 uint matrix;
428 for (matrix=0; matrix<_Lods[lod].MatrixInfluences.size(); matrix++)
429 {
430 // Remap
431 std::map<uint, uint>::iterator ite = remap.find (_Lods[lod].MatrixInfluences[matrix]);
432
433 // Find ?
434 nlassert (ite != remap.end());
435
436 // Remap
437 _Lods[lod].MatrixInfluences[matrix] = ite->second;
438 }
439 }
440 }
441
442 // Misc.
443 //===================
444 // Some runtime not serialized compilation
445 compileRunTime();
446
447 }
448
449 // ***************************************************************************
450 void CMeshMRMGeom::applyMaterialRemap(const std::vector<sint> &remap)
451 {
452 for(uint lod=0;lod<getNbLod();lod++)
453 {
454 for(uint rp=0;rp<getNbRdrPass(lod);rp++)
455 {
456 // remap
457 uint32 &matId= _Lods[lod].RdrPass[rp].MaterialId;
458 nlassert(remap[matId]>=0);
459 matId= remap[matId];
460 }
461 }
462 }
463
464 // ***************************************************************************
465 void CMeshMRMGeom::applyGeomorph(std::vector<CMRMWedgeGeom> &geoms, float alphaLod)
466 {
467 applyGeomorphWithVBHardPtr(geoms, alphaLod, NULL);
468 }
469
470
471 // ***************************************************************************
472 void CMeshMRMGeom::applyGeomorphWithVBHardPtr(std::vector<CMRMWedgeGeom> &geoms, float alphaLod, uint8 *vertexDestPtr)
473 {
474 // no geomorphs? quit.
475 if(geoms.empty())
476 return;
477
478 clamp(alphaLod, 0.f, 1.f);
479 float a= alphaLod;
480 float a1= 1 - alphaLod;
481
482
483 // info from VBuffer.
484 CVertexBufferReadWrite vba;
485 _VBufferFinal.lock (vba);
486 uint8 *vertexPtr= (uint8*)vba.getVertexCoordPointer();
487 uint flags= _VBufferFinal.getVertexFormat();
488 sint32 vertexSize= _VBufferFinal.getVertexSize();
489 // because of the unrolled code for 4 first UV, must assert this.
490 nlassert(CVertexBuffer::MaxStage>=4);
491 // must have XYZ.
492 nlassert(flags & CVertexBuffer::PositionFlag);
493
494
495 // If VBuffer Hard disabled
496 if(vertexDestPtr==NULL)
497 {
498 // write into vertexPtr.
499 vertexDestPtr= vertexPtr;
500 }
501
502
503 // if it is a common format
504 if( flags== (CVertexBuffer::PositionFlag | CVertexBuffer::NormalFlag | CVertexBuffer::TexCoord0Flag) &&
505 _VBufferFinal.getValueType(CVertexBuffer::TexCoord0) == CVertexBuffer::Float2 )
506 {
507 // use a faster method
508 applyGeomorphPosNormalUV0(geoms, vertexPtr, vertexDestPtr, vertexSize, a, a1);
509 }
510 else
511 {
512 // for color interp
513 uint i;
514 uint ua= (uint)(a*256);
515 clamp(ua, (uint)0, (uint)256);
516 uint ua1= 256 - ua;
517
518 // if an offset is 0, it means that the component is not in the VBuffer.
519 sint32 normalOff;
520 sint32 colorOff;
521 sint32 specularOff;
522 sint32 uvOff[CVertexBuffer::MaxStage];
523 bool has3Coords[CVertexBuffer::MaxStage];
524
525
526 // Compute offset of each component of the VB.
527 if(flags & CVertexBuffer::NormalFlag)
528 normalOff= _VBufferFinal.getNormalOff();
529 else
530 normalOff= 0;
531 if(flags & CVertexBuffer::PrimaryColorFlag)
532 colorOff= _VBufferFinal.getColorOff();
533 else
534 colorOff= 0;
535 if(flags & CVertexBuffer::SecondaryColorFlag)
536 specularOff= _VBufferFinal.getSpecularOff();
537 else
538 specularOff= 0;
539
540 for(i= 0; i<CVertexBuffer::MaxStage;i++)
541 {
542 if(flags & (CVertexBuffer::TexCoord0Flag<<i))
543 {
544 uvOff[i]= _VBufferFinal.getTexCoordOff(i);
545 has3Coords[i] = (_VBufferFinal.getValueType(i + CVertexBuffer::TexCoord0) == CVertexBuffer::Float3);
546 }
547 else
548 {
549 uvOff[i]= 0;
550 }
551 }
552
553
554 // For all geomorphs.
555 uint nGeoms= (uint)geoms.size();
556 CMRMWedgeGeom *ptrGeom= &(geoms[0]);
557 uint8 *destPtr= vertexDestPtr;
558 /* NB: optimisation: lot of "if" in this Loop, but because of BTB, they always cost nothing (prediction is good).
559 NB: this also is why we unroll the 4 1st Uv. The other (if any), are done in the other loop.
560 NB: optimisation for AGP write cominers: the order of write (vertex, normal, uvs...) is important for good
561 use of AGP write combiners.
562 We have 2 version : one that tests for 3 coordinates texture coords, and one that doesn't
563 */
564
565 if (!has3Coords[0] && !has3Coords[1] && !has3Coords[2] && !has3Coords[3])
566 {
567 // there are no texture coordinate of dimension 3
568 for(; nGeoms>0; nGeoms--, ptrGeom++, destPtr+= vertexSize )
569 {
570 uint8 *startPtr= vertexPtr + ptrGeom->Start*vertexSize;
571 uint8 *endPtr= vertexPtr + ptrGeom->End*vertexSize;
572
573 // Vertex.
574 {
575 CVector *start= (CVector*)startPtr;
576 CVector *end= (CVector*)endPtr;
577 CVector *dst= (CVector*)destPtr;
578 *dst= *start * a + *end * a1;
579 }
580
581 // Normal.
582 if(normalOff)
583 {
584 CVector *start= (CVector*)(startPtr + normalOff);
585 CVector *end= (CVector*)(endPtr + normalOff);
586 CVector *dst= (CVector*)(destPtr + normalOff);
587 *dst= *start * a + *end * a1;
588 }
589
590
591 // Uvs.
592 // uv[0].
593 if(uvOff[0])
594 {
595 // Uv.
596 CUV *start= (CUV*)(startPtr + uvOff[0]);
597 CUV *end= (CUV*)(endPtr + uvOff[0]);
598 CUV *dst= (CUV*)(destPtr + uvOff[0]);
599 *dst= *start * a + *end * a1;
600 }
601 // uv[1].
602 if(uvOff[1])
603 {
604 // Uv.
605 CUV *start= (CUV*)(startPtr + uvOff[1]);
606 CUV *end= (CUV*)(endPtr + uvOff[1]);
607 CUV *dst= (CUV*)(destPtr + uvOff[1]);
608 *dst= *start * a + *end * a1;
609 }
610 // uv[2].
611 if(uvOff[2])
612 {
613 CUV *start= (CUV*)(startPtr + uvOff[2]);
614 CUV *end= (CUV*)(endPtr + uvOff[2]);
615 CUV *dst= (CUV*)(destPtr + uvOff[2]);
616 *dst= *start * a + *end * a1;
617 }
618 // uv[3].
619 if(uvOff[3])
620 {
621 // Uv.
622 CUV *start= (CUV*)(startPtr + uvOff[3]);
623 CUV *end= (CUV*)(endPtr + uvOff[3]);
624 CUV *dst= (CUV*)(destPtr + uvOff[3]);
625 *dst= *start * a + *end * a1;
626 }
627 }
628 }
629 else // THERE ARE TEXTURE COORDINATES OF DIMENSION 3
630 {
631 for(; nGeoms>0; nGeoms--, ptrGeom++, destPtr+= vertexSize )
632 {
633 uint8 *startPtr= vertexPtr + ptrGeom->Start*vertexSize;
634 uint8 *endPtr= vertexPtr + ptrGeom->End*vertexSize;
635
636 // Vertex.
637 {
638 CVector *start= (CVector*)startPtr;
639 CVector *end= (CVector*)endPtr;
640 CVector *dst= (CVector*)destPtr;
641 *dst= *start * a + *end * a1;
642 }
643
644 // Normal.
645 if(normalOff)
646 {
647 CVector *start= (CVector*)(startPtr + normalOff);
648 CVector *end= (CVector*)(endPtr + normalOff);
649 CVector *dst= (CVector*)(destPtr + normalOff);
650 *dst= *start * a + *end * a1;
651 }
652 // Uvs.
653 // uv[0].
654 if(uvOff[0])
655 {
656 if (!has3Coords[0])
657 {
658 // Uv.
659 CUV *start= (CUV*)(startPtr + uvOff[0]);
660 CUV *end= (CUV*)(endPtr + uvOff[0]);
661 CUV *dst= (CUV*)(destPtr + uvOff[0]);
662 *dst= *start * a + *end * a1;
663 }
664 else
665 {
666 // Uv.
667 CUVW *start= (CUVW*)(startPtr + uvOff[0]);
668 CUVW *end= (CUVW*)(endPtr + uvOff[0]);
669 CUVW *dst= (CUVW*)(destPtr + uvOff[0]);
670 *dst= *start * a + *end * a1;
671 }
672 }
673 // uv[1].
674 if(uvOff[1])
675 {
676 if (!has3Coords[1])
677 {
678 // Uv.
679 CUV *start= (CUV*)(startPtr + uvOff[1]);
680 CUV *end= (CUV*)(endPtr + uvOff[1]);
681 CUV *dst= (CUV*)(destPtr + uvOff[1]);
682 *dst= *start * a + *end * a1;
683 }
684 else
685 {
686 // Uv.
687 CUVW *start= (CUVW*)(startPtr + uvOff[1]);
688 CUVW *end= (CUVW*)(endPtr + uvOff[1]);
689 CUVW *dst= (CUVW*)(destPtr + uvOff[1]);
690 *dst= *start * a + *end * a1;
691 }
692 }
693 // uv[2].
694 if(uvOff[2])
695 {
696 if (!has3Coords[2])
697 {
698 // Uv.
699 CUV *start= (CUV*)(startPtr + uvOff[2]);
700 CUV *end= (CUV*)(endPtr + uvOff[2]);
701 CUV *dst= (CUV*)(destPtr + uvOff[2]);
702 *dst= *start * a + *end * a1;
703 }
704 else
705 {
706 // Uv.
707 CUVW *start= (CUVW*)(startPtr + uvOff[2]);
708 CUVW *end= (CUVW*)(endPtr + uvOff[2]);
709 CUVW *dst= (CUVW*)(destPtr + uvOff[2]);
710 *dst= *start * a + *end * a1;
711 }
712 }
713 // uv[3].
714 if(uvOff[3])
715 {
716 if (!has3Coords[3])
717 {
718 // Uv.
719 CUV *start= (CUV*)(startPtr + uvOff[3]);
720 CUV *end= (CUV*)(endPtr + uvOff[3]);
721 CUV *dst= (CUV*)(destPtr + uvOff[3]);
722 *dst= *start * a + *end * a1;
723 }
724 else
725 {
726 // Uv.
727 CUVW *start= (CUVW*)(startPtr + uvOff[3]);
728 CUVW *end= (CUVW*)(endPtr + uvOff[3]);
729 CUVW *dst= (CUVW*)(destPtr + uvOff[3]);
730 *dst= *start * a + *end * a1;
731 }
732 }
733 // color.
734 if(colorOff)
735 {
736 CRGBA *start= (CRGBA*)(startPtr + colorOff);
737 CRGBA *end= (CRGBA*)(endPtr + colorOff);
738 CRGBA *dst= (CRGBA*)(destPtr + colorOff);
739 dst->blendFromui(*start, *end, ua1);
740 }
741 // specular.
742 if(specularOff)
743 {
744 CRGBA *start= (CRGBA*)(startPtr + specularOff);
745 CRGBA *end= (CRGBA*)(endPtr + specularOff);
746 CRGBA *dst= (CRGBA*)(destPtr + specularOff);
747 dst->blendFromui(*start, *end, ua1);
748 }
749 }
750 }
751
752
753 // Process extra UVs (maybe never, so don't bother optims :)).
754 // For all stages after 4.
755 for(i=4;i<CVertexBuffer::MaxStage;i++)
756 {
757 uint nGeoms= (uint)geoms.size();
758 CMRMWedgeGeom *ptrGeom= &(geoms[0]);
759 uint8 *destPtr= vertexDestPtr;
760
761 if(uvOff[i]==0)
762 continue;
763
764 // For all geomorphs.
765 for(; nGeoms>0; nGeoms--, ptrGeom++, destPtr+= vertexSize )
766 {
767 uint8 *startPtr= vertexPtr + ptrGeom->Start*vertexSize;
768 uint8 *endPtr= vertexPtr + ptrGeom->End*vertexSize;
769
770 // uv[i].
771 // Uv.
772 if (!has3Coords[i])
773 {
774 CUV *start= (CUV*)(startPtr + uvOff[i]);
775 CUV *end= (CUV*)(endPtr + uvOff[i]);
776 CUV *dst= (CUV*)(destPtr + uvOff[i]);
777 *dst= *start * a + *end * a1;
778 }
779 else
780 {
781 CUVW *start= (CUVW*)(startPtr + uvOff[i]);
782 CUVW *end= (CUVW*)(endPtr + uvOff[i]);
783 CUVW *dst= (CUVW*)(destPtr + uvOff[i]);
784 *dst= *start * a + *end * a1;
785 }
786 }
787 }
788 }
789 }
790
791
792 // ***************************************************************************
793 void CMeshMRMGeom::applyGeomorphPosNormalUV0(std::vector<CMRMWedgeGeom> &geoms, uint8 *vertexPtr, uint8 *vertexDestPtr, sint32 vertexSize, float a, float a1)
794 {
795 nlassert(vertexSize==32);
796
797
798 // For all geomorphs.
799 uint nGeoms= (uint)geoms.size();
800 CMRMWedgeGeom *ptrGeom= &(geoms[0]);
801 uint8 *destPtr= vertexDestPtr;
802 for(; nGeoms>0; nGeoms--, ptrGeom++, destPtr+= vertexSize )
803 {
804 // Consider the Pos/Normal/UV as an array of 8 float to interpolate.
805 float *start= (float*)(vertexPtr + (ptrGeom->Start<<5));
806 float *end= (float*)(vertexPtr + (ptrGeom->End<<5));
807 float *dst= (float*)(destPtr);
808
809 // unrolled
810 dst[0]= start[0] * a + end[0]* a1;
811 dst[1]= start[1] * a + end[1]* a1;
812 dst[2]= start[2] * a + end[2]* a1;
813 dst[3]= start[3] * a + end[3]* a1;
814 dst[4]= start[4] * a + end[4]* a1;
815 dst[5]= start[5] * a + end[5]* a1;
816 dst[6]= start[6] * a + end[6]* a1;
817 dst[7]= start[7] * a + end[7]* a1;
818 }
819 }
820
821
822 // ***************************************************************************
823 void CMeshMRMGeom::initInstance(CMeshBaseInstance *mbi)
824 {
825 // init the instance with _MeshVertexProgram infos
826 if(_MeshVertexProgram)
827 _MeshVertexProgram->initInstance(mbi);
828 }
829
830
831 // ***************************************************************************
832 bool CMeshMRMGeom::clip(const std::vector<CPlane> &pyramid, const CMatrix &worldMatrix)
833 {
834 // Speed Clip: clip just the sphere.
835 CBSphere localSphere(_BBox.getCenter(), _BBox.getRadius());
836 CBSphere worldSphere;
837
838 // transform the sphere in WorldMatrix (with nearly good scale info).
839 localSphere.applyTransform(worldMatrix, worldSphere);
840
841 // if out of only plane, entirely out.
842 for(sint i=0;i<(sint)pyramid.size();i++)
843 {
844 // We are sure that pyramid has normalized plane normals.
845 // if SpherMax OUT return false.
846 float d= pyramid[i]*worldSphere.Center;
847 if(d>worldSphere.Radius)
848 return false;
849 }
850
851 // test if must do a precise clip, according to mesh size.
852 if( _PreciseClipping )
853 {
854 CPlane localPlane;
855
856 // if out of only plane, entirely out.
857 for(sint i=0;i<(sint)pyramid.size();i++)
858 {
859 // Transform the pyramid in Object space.
860 localPlane= pyramid[i]*worldMatrix;
861 // localPlane must be normalized, because worldMatrix mya have a scale.
862 localPlane.normalize();
863 // if the box is not partially inside the plane, quit
864 if( !_BBox.clipBack(localPlane) )
865 return false;
866 }
867 }
868
869 return true;
870 }
871
872
873 // ***************************************************************************
874 inline sint CMeshMRMGeom::chooseLod(float alphaMRM, float &alphaLod)
875 {
876 // Choose what Lod to draw.
877 alphaMRM*= _Lods.size()-1;
878 sint numLod= (sint)ceil(alphaMRM);
879 if(numLod==0)
880 {
881 numLod= 0;
882 alphaLod= 0;
883 }
884 else
885 {
886 // Lerp beetween lod i-1 and lod i.
887 alphaLod= alphaMRM-(numLod-1);
888 }
889
890
891 // If lod chosen is not loaded, take the best loaded.
892 if(numLod>=(sint)_NbLodLoaded)
893 {
894 numLod= _NbLodLoaded-1;
895 alphaLod= 1;
896 }
897
898 return numLod;
899 }
900
901
902 // ***************************************************************************
903 void CMeshMRMGeom::render(IDriver *drv, CTransformShape *trans, float polygonCount, uint32 rdrFlags, float globalAlpha)
904 {
905 nlassert(drv);
906 if(_Lods.empty())
907 return;
908
909
910 // get the meshMRM instance.
911 CMeshBaseInstance *mi= safe_cast<CMeshBaseInstance*>(trans);
912 // get a ptr on scene
913 CScene *ownerScene= mi->getOwnerScene();
914 // get a ptr on renderTrav
915 CRenderTrav *renderTrav= &ownerScene->getRenderTrav();
916
917
918 // get the result of the Load Balancing.
919 float alphaMRM= _LevelDetail.getLevelDetailFromPolyCount(polygonCount);
920
921 // choose the lod.
922 float alphaLod;
923 sint numLod= chooseLod(alphaMRM, alphaLod);
924
925
926 // Render the choosen Lod.
927 CLod &lod= _Lods[numLod];
928 if(lod.RdrPass.empty())
929 return;
930
931
932 // Update the vertexBufferHard (if possible).
933 // \toto yoyo: TODO_OPTIMIZE: allocate only what is needed for the current Lod (Max of all instances, like
934 // the loading....) (see loadHeader()).
935
936 // get the skeleton model to which I am binded (else NULL).
937 CSkeletonModel *skeleton;
938 skeleton = mi->getSkeletonModel();
939 // The mesh must not be skinned for render()
940 nlassert(!(_Skinned && mi->isSkinned() && skeleton));
941 bool bMorphApplied = !_MeshMorpher.BlendShapes.empty();
942 bool useTangentSpace = _MeshVertexProgram && _MeshVertexProgram->needTangentSpace();
943
944
945 // Profiling
946 //===========
947 H_AUTO( NL3D_MeshMRMGeom_RenderNormal );
948
949
950 // Morphing
951 // ========
952 if (bMorphApplied)
953 {
954 // If _Skinned (NB: the skin is not applied) and if lod.OriginalSkinRestored, then restoreOriginalSkinPart is
955 // not called but mush morpher write changed vertices into VBHard so its ok. The unchanged vertices
956 // are written in the preceding call to restoreOriginalSkinPart.
957 if (_Skinned)
958 {
959 _MeshMorpher.initSkinned(&_VBufferOriginal,
960 &_VBufferFinal,
961 useTangentSpace,
962 &_OriginalSkinVertices,
963 &_OriginalSkinNormals,
964 useTangentSpace ? &_OriginalTGSpace : NULL,
965 false );
966 _MeshMorpher.updateSkinned (mi->getBlendShapeFactors());
967 }
968 else // Not even skinned so we have to do all the stuff
969 {
970 _MeshMorpher.init(&_VBufferOriginal,
971 &_VBufferFinal,
972 useTangentSpace);
973 _MeshMorpher.update (mi->getBlendShapeFactors());
974 }
975 }
976
977 // Skinning.
978 //===========
979 // if mesh is skinned (but here skin not applied), we must copy vertices/normals from original vertices.
980 if (_Skinned)
981 {
982 // do it for this Lod only, and if cache say it is necessary.
983 if (!lod.OriginalSkinRestored)
984 restoreOriginalSkinPart(lod);
985 }
986
987
988 // set the instance worldmatrix.
989 drv->setupModelMatrix(trans->getWorldMatrix());
990
991
992 // Geomorph.
993 //===========
994 // Geomorph the choosen Lod (if not the coarser mesh).
995 if(numLod>0)
996 {
997 applyGeomorph(lod.Geomorphs, alphaLod);
998 }
999
1000
1001 // force normalisation of normals..
1002 bool bkupNorm= drv->isForceNormalize();
1003 drv->forceNormalize(true);
1004
1005
1006 // Setup meshVertexProgram
1007 //===========
1008
1009 // use MeshVertexProgram effect?
1010 bool useMeshVP= _MeshVertexProgram != NULL;
1011 if( useMeshVP )
1012 {
1013 CMatrix invertedObjectMatrix;
1014 invertedObjectMatrix = trans->getWorldMatrix().inverted();
1015 // really ok if success to begin VP
1016 useMeshVP= _MeshVertexProgram->begin(drv, mi->getOwnerScene(), mi, invertedObjectMatrix, renderTrav->CamPos);
1017 }
1018
1019
1020 // Render the lod.
1021 //===========
1022 // active VB.
1023 drv->activeVertexBuffer(_VBufferFinal);
1024
1025
1026 // Global alpha used ?
1027 uint32 globalAlphaUsed= rdrFlags & IMeshGeom::RenderGlobalAlpha;
1028 uint8 globalAlphaInt=(uint8)NLMISC::OptFastFloor(globalAlpha*255);
1029
1030 // Render all pass.
1031 if (globalAlphaUsed)
1032 {
1033 bool gaDisableZWrite= (rdrFlags & IMeshGeom::RenderGADisableZWrite)?true:false;
1034
1035 // for all passes
1036 for(uint i=0;i<lod.RdrPass.size();i++)
1037 {
1038 CRdrPass &rdrPass= lod.RdrPass[i];
1039
1040 if ( ( (mi->Materials[rdrPass.MaterialId].getBlend() == false) && (rdrFlags & IMeshGeom::RenderOpaqueMaterial) ) ||
1041 ( (mi->Materials[rdrPass.MaterialId].getBlend() == true) && (rdrFlags & IMeshGeom::RenderTransparentMaterial) ) )
1042 {
1043 // CMaterial Ref
1044 CMaterial &material=mi->Materials[rdrPass.MaterialId];
1045
1046 // Use a MeshBlender to modify material and driver.
1047 CMeshBlender blender;
1048 blender.prepareRenderForGlobalAlpha(material, drv, globalAlpha, globalAlphaInt, gaDisableZWrite);
1049
1050 // Setup VP material
1051 if (useMeshVP)
1052 {
1053 _MeshVertexProgram->setupForMaterial(material, drv, ownerScene, &_VBufferFinal);
1054 }
1055
1056 // Render
1057 drv->activeIndexBuffer(rdrPass.PBlock);
1058 drv->renderTriangles(material, 0, rdrPass.PBlock.getNumIndexes()/3);
1059
1060 // Resetup material/driver
1061 blender.restoreRender(material, drv, gaDisableZWrite);
1062 }
1063 }
1064 }
1065 else
1066 {
1067 for(uint i=0;i<lod.RdrPass.size();i++)
1068 {
1069 CRdrPass &rdrPass= lod.RdrPass[i];
1070
1071 if ( ( (mi->Materials[rdrPass.MaterialId].getBlend() == false) && (rdrFlags & IMeshGeom::RenderOpaqueMaterial) ) ||
1072 ( (mi->Materials[rdrPass.MaterialId].getBlend() == true) && (rdrFlags & IMeshGeom::RenderTransparentMaterial) ) )
1073 {
1074 // CMaterial Ref
1075 CMaterial &material=mi->Materials[rdrPass.MaterialId];
1076
1077 // Setup VP material
1078 if (useMeshVP)
1079 {
1080 _MeshVertexProgram->setupForMaterial(material, drv, ownerScene, &_VBufferFinal);
1081 }
1082
1083 // Render with the Materials of the MeshInstance.
1084 drv->activeIndexBuffer(rdrPass.PBlock);
1085 drv->renderTriangles(material, 0, rdrPass.PBlock.getNumIndexes()/3);
1086 }
1087 }
1088 }
1089
1090
1091 // End VertexProgram effect
1092 if(useMeshVP)
1093 {
1094 // end it.
1095 _MeshVertexProgram->end(drv);
1096 }
1097
1098
1099 // bkup force normalisation.
1100 drv->forceNormalize(bkupNorm);
1101
1102 }
1103
1104
1105 // ***************************************************************************
1106 void CMeshMRMGeom::renderSkin(CTransformShape *trans, float alphaMRM)
1107 {
1108 H_AUTO( NL3D_MeshMRMGeom_renderSkin );
1109
1110 if(_Lods.empty())
1111 return;
1112
1113
1114 // get the meshMRM instance. only CMeshMRMInstance is possible when skinned (not MultiLod)
1115 CMeshMRMInstance *mi= safe_cast<CMeshMRMInstance*>(trans);
1116 // get a ptr on scene
1117 CScene *ownerScene= mi->getOwnerScene();
1118 // get a ptr on renderTrav
1119 CRenderTrav *renderTrav= &ownerScene->getRenderTrav();
1120 // get a ptr on the driver
1121 IDriver *drv= renderTrav->getDriver();
1122 nlassert(drv);
1123
1124
1125 // choose the lod.
1126 float alphaLod;
1127 sint numLod= chooseLod(alphaMRM, alphaLod);
1128
1129
1130 // Render the choosen Lod.
1131 CLod &lod= _Lods[numLod];
1132 if(lod.RdrPass.empty())
1133 return;
1134
1135
1136 /*
1137 YOYO: renderSkin() no more support vertexBufferHard()!!! for AGP Memory optimisation concern.
1138 AGP Skin rendering is made when supportSkinGrouping() is true
1139 Hence if a skin is to be rendered here, because it doesn't have a good vertex format, or it has
1140 MeshVertexProgram etc..., it will be rendered WITHOUT VBHard => slower.
1141 */
1142
1143
1144 // get the skeleton model to which I am skinned
1145 CSkeletonModel *skeleton;
1146 skeleton = mi->getSkeletonModel();
1147 // must be skinned for renderSkin()
1148 nlassert(_Skinned && mi->isSkinned() && skeleton);
1149 bool bMorphApplied = !_MeshMorpher.BlendShapes.empty();
1150 bool useNormal= (_VBufferFinal.getVertexFormat() & CVertexBuffer::NormalFlag)!=0;
1151 bool useTangentSpace = _MeshVertexProgram && _MeshVertexProgram->needTangentSpace();
1152
1153
1154 // Profiling
1155 //===========
1156 H_AUTO( NL3D_MeshMRMGeom_renderSkin_go );
1157
1158
1159 // Morphing
1160 // ========
1161 if (bMorphApplied)
1162 {
1163 // Since Skinned we must update original skin vertices and normals because skinning use it
1164 _MeshMorpher.initSkinned(&_VBufferOriginal,
1165 &_VBufferFinal,
1166 useTangentSpace,
1167 &_OriginalSkinVertices,
1168 &_OriginalSkinNormals,
1169 useTangentSpace ? &_OriginalTGSpace : NULL,
1170 true );
1171 _MeshMorpher.updateSkinned (mi->getBlendShapeFactors());
1172 }
1173
1174 // Skinning.
1175 //===========
1176
1177 // Never use RawSkin. Actually used in skinGrouping.
1178 updateRawSkinNormal(false, mi, numLod);
1179
1180 // applySkin.
1181 //--------
1182
1183 // If skin without normal (rare/useful?) always simple (slow) case.
1184 if(!useNormal)
1185 {
1186 // skinning with just position
1187 applySkin (lod, skeleton);
1188 }
1189 else
1190 {
1191 // apply skin for this Lod only.
1192 if (!useTangentSpace)
1193 {
1194 // skinning with normal, but no tangent space
1195 applySkinWithNormal (lod, skeleton);
1196 }
1197 else
1198 {
1199 // Tangent space stored in the last texture coordinate
1200 applySkinWithTangentSpace(lod, skeleton, _VBufferFinal.getNumTexCoordUsed() - 1);
1201 }
1202 }
1203
1204 // endSkin.
1205 //--------
1206 // dirt this lod part. (NB: this is not optimal, but sufficient :) ).
1207 lod.OriginalSkinRestored= false;
1208
1209
1210 // NB: the skeleton matrix has already been setuped by CSkeletonModel
1211 // NB: the normalize flag has already been setuped by CSkeletonModel
1212
1213
1214 // Geomorph.
1215 //===========
1216 // Geomorph the choosen Lod (if not the coarser mesh).
1217 if(numLod>0)
1218 {
1219 applyGeomorph(lod.Geomorphs, alphaLod);
1220 }
1221
1222
1223 // Setup meshVertexProgram
1224 //===========
1225
1226 // use MeshVertexProgram effect?
1227 bool useMeshVP= _MeshVertexProgram != NULL;
1228 if( useMeshVP )
1229 {
1230 CMatrix invertedObjectMatrix;
1231 invertedObjectMatrix = skeleton->getWorldMatrix().inverted();
1232 // really ok if success to begin VP
1233 useMeshVP= _MeshVertexProgram->begin(drv, mi->getOwnerScene(), mi, invertedObjectMatrix, renderTrav->CamPos);
1234 }
1235
1236
1237 // Render the lod.
1238 //===========
1239 // active VB.
1240 drv->activeVertexBuffer(_VBufferFinal);
1241
1242
1243 // Render all pass.
1244 for(uint i=0;i<lod.RdrPass.size();i++)
1245 {
1246 CRdrPass &rdrPass= lod.RdrPass[i];
1247
1248 // CMaterial Ref
1249 CMaterial &material=mi->Materials[rdrPass.MaterialId];
1250
1251 // Setup VP material
1252 if (useMeshVP)
1253 {
1254 _MeshVertexProgram->setupForMaterial(material, drv, ownerScene, &_VBufferFinal);
1255 }
1256
1257 // Render with the Materials of the MeshInstance.
1258 drv->activeIndexBuffer(rdrPass.PBlock);
1259 drv->renderTriangles(material, 0, rdrPass.PBlock.getNumIndexes()/3);
1260 }
1261
1262 // End VertexProgram effect
1263 if(useMeshVP)
1264 {
1265 // end it.
1266 _MeshVertexProgram->end(drv);
1267 }
1268 }
1269
1270
1271 // ***************************************************************************
1272 bool CMeshMRMGeom::supportSkinGrouping() const
1273 {
1274 return _SupportSkinGrouping;
1275 }
1276
1277 // ***************************************************************************
1278 sint CMeshMRMGeom::renderSkinGroupGeom(CMeshMRMInstance *mi, float alphaMRM, uint remainingVertices, uint8 *vbDest)
1279 {
1280 H_AUTO( NL3D_MeshMRMGeom_rdrSkinGrpGeom )
1281
1282 // NB: not need to test if _Lods.empty(), because already done through supportSkinGrouping()
1283
1284 // get a ptr on scene
1285 CScene *ownerScene= mi->getOwnerScene();
1286 // get a ptr on renderTrav
1287 CRenderTrav *renderTrav= &ownerScene->getRenderTrav();
1288 // get a ptr on the driver
1289 IDriver *drv= renderTrav->getDriver();
1290 nlassert(drv);
1291
1292
1293 // choose the lod.
1294 float alphaLod;
1295 sint numLod= chooseLod(alphaMRM, alphaLod);
1296 _LastLodComputed= numLod;
1297
1298
1299 // Render the choosen Lod.
1300 CLod &lod= _Lods[numLod];
1301 if(lod.RdrPass.empty())
1302 // return no vertices added
1303 return 0;
1304
1305 // If the Lod is too big to render in the VBufferHard
1306 if(lod.NWedges>remainingVertices)
1307 // return Failure
1308 return -1;
1309
1310 // get the skeleton model to which I am skinned
1311 CSkeletonModel *skeleton;
1312 skeleton = mi->getSkeletonModel();
1313 // must be skinned for renderSkin()
1314 nlassert(_Skinned && mi->isSkinned() && skeleton);
1315 bool bMorphApplied = !_MeshMorpher.BlendShapes.empty();
1316 bool useNormal= (_VBufferFinal.getVertexFormat() & CVertexBuffer::NormalFlag)!=0;
1317 nlassert(useNormal);
1318
1319
1320 // Profiling
1321 //===========
1322 H_AUTO( NL3D_MeshMRMGeom_rdrSkinGrpGeom_go );
1323
1324
1325 // Morphing
1326 // ========
1327
1328 // Use RawSkin?. compute before morphing, cause of updateRawSkin
1329 updateRawSkinNormal(true, mi, numLod);
1330 nlassert(mi->_RawSkinCache);
1331
1332 // Apply morph
1333 if (bMorphApplied)
1334 {
1335 // No need to manage lod.OriginalSkinRestored, since in case of SkinGroupGeom, the VBuffer final is not modified.
1336
1337 // copy directly from the original VB, and apply BlendShapes. Dest is directly the RawSkin
1338 _MeshMorpher.updateRawSkin(&_VBufferFinal,
1339 mi->_RawSkinCache->VertexRemap,
1340 mi->getBlendShapeFactors());
1341 }
1342
1343 // Skinning.
1344 //===========
1345
1346 // NB: the skeleton matrix has already been setuped by CSkeletonModel
1347 // NB: the normalize flag has already been setuped by CSkeletonModel
1348
1349 // applySkin with RawSkin.
1350 //--------
1351 // always RawSkin now in SkinGrouping, even with MeshMorpher
1352 {
1353 H_AUTO( NL3D_RawSkinning );
1354
1355 // RawSkin do all the job in optimized way: Skinning, copy to VBHard and Geomorph.
1356
1357 // skinning with normal, but no tangent space
1358 applyRawSkinWithNormal (lod, *(mi->_RawSkinCache), skeleton, vbDest, alphaLod);
1359
1360 // Vertices are packed in RawSkin mode (ie no holes due to MRM!)
1361 return (sint)mi->_RawSkinCache->Geomorphs.size() +
1362 mi->_RawSkinCache->TotalSoftVertices +
1363 mi->_RawSkinCache->TotalHardVertices;
1364 }
1365 }
1366
1367 // ***************************************************************************
1368 void CMeshMRMGeom::renderSkinGroupPrimitives(CMeshMRMInstance *mi, uint baseVertex, std::vector<CSkinSpecularRdrPass> &specularRdrPasses, uint skinIndex)
1369 {
1370 H_AUTO( NL3D_MeshMRMGeom_rdrSkinGrpPrimitives );
1371
1372 // get a ptr on scene
1373 CScene *ownerScene= mi->getOwnerScene();
1374 // get a ptr on renderTrav
1375 CRenderTrav *renderTrav= &ownerScene->getRenderTrav();
1376 // get a ptr on the driver
1377 IDriver *drv= renderTrav->getDriver();
1378 nlassert(drv);
1379
1380 // Get the lod choosen in renderSkinGroupGeom()
1381 CLod &lod= _Lods[_LastLodComputed];
1382
1383
1384 // must update primitive cache
1385 updateShiftedTriangleCache(mi, _LastLodComputed, baseVertex);
1386 nlassert(mi->_ShiftedTriangleCache);
1387
1388
1389 // Render Triangles with cache
1390 //===========
1391 for(uint i=0;i<lod.RdrPass.size();i++)
1392 {
1393 CRdrPass &rdrPass= lod.RdrPass[i];
1394
1395 // CMaterial Ref
1396 CMaterial &material=mi->Materials[rdrPass.MaterialId];
1397
1398 // TestYoyo. Material Speed Test
1399 /*if( material.getDiffuse()!=CRGBA(250, 251, 252) )
1400 {
1401 material.setDiffuse(CRGBA(250, 251, 252));
1402 // Set all texture the same.
1403 static CSmartPtr<ITexture> pTexFile= new CTextureFile("fy_hom_visage_c1_fy_e1.tga");
1404 material.setTexture(0, pTexFile );
1405 // Remove Specular.
1406 if(material.getShader()==CMaterial::Specular)
1407 {
1408 CSmartPtr<ITexture> tex= material.getTexture(0);
1409 material.setShader(CMaterial::Normal);
1410 material.setTexture(0, tex );
1411 }
1412 // Remove MakeUp
1413 material.setTexture(1, NULL);
1414 }*/
1415
1416 // If the material is a specular material, don't render it now!
1417 if(material.getShader()==CMaterial::Specular)
1418 {
1419 // Add it to the rdrPass to sort!
1420 CSkinSpecularRdrPass specRdrPass;
1421 specRdrPass.SkinIndex= skinIndex;
1422 specRdrPass.RdrPassIndex= i;
1423 // Get the handle of the specular Map as the sort Key
1424 ITexture *specTex= material.getTexture(1);
1425 if(!specTex)
1426 specRdrPass.SpecId= 0;
1427 else
1428 specRdrPass.SpecId= drv->getTextureHandle( *specTex );
1429 // Append it to the list
1430 specularRdrPasses.push_back(specRdrPass);
1431 }
1432 else
1433 {
1434 // Get the shifted triangles.
1435 CShiftedTriangleCache::CRdrPass &shiftedRdrPass= mi->_ShiftedTriangleCache->RdrPass[i];
1436
1437 // Render with the Materials of the MeshInstance.
1438 drv->activeIndexBuffer(mi->_ShiftedTriangleCache->RawIndices);
1439 drv->renderTriangles(material, shiftedRdrPass.Triangles, shiftedRdrPass.NumTriangles);
1440 }
1441 }
1442 }
1443
1444
1445 // ***************************************************************************
1446 void CMeshMRMGeom::renderSkinGroupSpecularRdrPass(CMeshMRMInstance *mi, uint rdrPassId)
1447 {
1448 H_AUTO( NL3D_MeshMRMGeom_rdrSkinGrpSpecularRdrPass );
1449
1450 // get a ptr on scene
1451 CScene *ownerScene= mi->getOwnerScene();
1452 // get a ptr on renderTrav
1453 CRenderTrav *renderTrav= &ownerScene->getRenderTrav();
1454 // get a ptr on the driver
1455 IDriver *drv= renderTrav->getDriver();
1456 nlassert(drv);
1457
1458 // Get the lod choosen in renderSkinGroupGeom()
1459 CLod &lod= _Lods[_LastLodComputed];
1460
1461
1462 // _ShiftedTriangleCache must have been computed in renderSkinGroupPrimitives
1463 nlassert(mi->_ShiftedTriangleCache);
1464
1465
1466 // Render Triangles with cache
1467 //===========
1468 CRdrPass &rdrPass= lod.RdrPass[rdrPassId];
1469
1470 // CMaterial Ref
1471 CMaterial &material=mi->Materials[rdrPass.MaterialId];
1472
1473 // Get the shifted triangles.
1474 CShiftedTriangleCache::CRdrPass &shiftedRdrPass= mi->_ShiftedTriangleCache->RdrPass[rdrPassId];
1475
1476 // Render with the Materials of the MeshInstance.
1477 drv->activeIndexBuffer(mi->_ShiftedTriangleCache->RawIndices);
1478 drv->renderTriangles(material, shiftedRdrPass.Triangles, shiftedRdrPass.NumTriangles);
1479 }
1480
1481
1482 // ***************************************************************************
1483 void CMeshMRMGeom::updateShiftedTriangleCache(CMeshMRMInstance *mi, sint curLodId, uint baseVertex)
1484 {
1485 // if the instance has a cache, but not sync to us, delete it.
1486 if( mi->_ShiftedTriangleCache && (
1487 mi->_ShiftedTriangleCache->MeshDataId != _MeshDataId ||
1488 mi->_ShiftedTriangleCache->LodId != curLodId ||
1489 mi->_ShiftedTriangleCache->BaseVertex != baseVertex) )
1490 {
1491 mi->clearShiftedTriangleCache();
1492 }
1493
1494 // If the instance has not a valid cache, must create it.
1495 if( !mi->_ShiftedTriangleCache )
1496 {
1497 mi->_ShiftedTriangleCache= new CShiftedTriangleCache;
1498 // Fill the cache Key.
1499 mi->_ShiftedTriangleCache->MeshDataId= _MeshDataId;
1500 mi->_ShiftedTriangleCache->LodId= curLodId;
1501 mi->_ShiftedTriangleCache->BaseVertex= baseVertex;
1502
1503 // Build list of PBlock. From Lod, or from RawSkin cache.
1504 static vector<CIndexBuffer*> pbList;
1505 pbList.clear();
1506 if(mi->_RawSkinCache)
1507 {
1508 pbList.resize(mi->_RawSkinCache->RdrPass.size());
1509 for(uint i=0;i<pbList.size();i++)
1510 {
1511 pbList[i]= &mi->_RawSkinCache->RdrPass[i];
1512 }
1513 }
1514 else
1515 {
1516 CLod &lod= _Lods[curLodId];
1517 pbList.resize(lod.RdrPass.size());
1518 for(uint i=0;i<pbList.size();i++)
1519 {
1520 pbList[i]= &lod.RdrPass[i].PBlock;
1521 }
1522 }
1523
1524 // Build RdrPass
1525 mi->_ShiftedTriangleCache->RdrPass.resize((uint32)pbList.size());
1526
1527 // First pass, count number of triangles, and fill header info
1528 uint totalTri= 0;
1529 uint i;
1530 for(i=0;i<pbList.size();i++)
1531 {
1532 mi->_ShiftedTriangleCache->RdrPass[i].NumTriangles= pbList[i]->getNumIndexes()/3;
1533 totalTri+= pbList[i]->getNumIndexes()/3;
1534 }
1535
1536 // Allocate triangles indices.
1537 mi->_ShiftedTriangleCache->RawIndices.setFormat(NL_MESH_MRM_INDEX_FORMAT);
1538 mi->_ShiftedTriangleCache->RawIndices.setNumIndexes(totalTri*3);
1539
1540 // Lock the index buffer
1541 CIndexBufferReadWrite ibaWrite;
1542 mi->_ShiftedTriangleCache->RawIndices.lock (ibaWrite);
1543 if (ibaWrite.getFormat() == CIndexBuffer::Indices32)
1544 {
1545 uint32 *dstPtr = (uint32 *) ibaWrite.getPtr();
1546 // Second pass, fill ptrs, and fill Arrays
1547 uint indexTri= 0;
1548 for(i=0;i<pbList.size();i++)
1549 {
1550 CShiftedTriangleCache::CRdrPass &dstRdrPass= mi->_ShiftedTriangleCache->RdrPass[i];
1551 dstRdrPass.Triangles= indexTri*3;
1552
1553 // Fill the array
1554 uint numTris= pbList[i]->getNumIndexes()/3;
1555 if(numTris)
1556 {
1557 uint nIds= numTris*3;
1558 // index, and fill
1559 CIndexBufferRead ibaRead;
1560 pbList[i]->lock (ibaRead);
1561 nlassert(ibaRead.getFormat() == CIndexBuffer::Indices32);
1562 const uint32 *pSrcTri= (const uint32 *) ibaRead.getPtr();
1563 uint32 *pDstTri= dstPtr+dstRdrPass.Triangles;
1564 for(;nIds>0;nIds--,pSrcTri++,pDstTri++)
1565 *pDstTri= *pSrcTri + baseVertex;
1566 }
1567
1568 // Next
1569 indexTri+= dstRdrPass.NumTriangles;
1570 }
1571 }
1572 else
1573 {
1574 nlassert(ibaWrite.getFormat() == CIndexBuffer::Indices16);
1575 uint16 *dstPtr = (uint16 *) ibaWrite.getPtr();
1576 // Second pass, fill ptrs, and fill Arrays
1577 uint indexTri= 0;
1578 for(i=0;i<pbList.size();i++)
1579 {
1580 CShiftedTriangleCache::CRdrPass &dstRdrPass= mi->_ShiftedTriangleCache->RdrPass[i];
1581 dstRdrPass.Triangles= indexTri*3;
1582
1583 // Fill the array
1584 uint numTris= pbList[i]->getNumIndexes()/3;
1585 if(numTris)
1586 {
1587 uint nIds= numTris*3;
1588 // index, and fill
1589 CIndexBufferRead ibaRead;
1590 pbList[i]->lock (ibaRead);
1591 nlassert(ibaRead.getFormat() == CIndexBuffer::Indices16);
1592 const uint16 *pSrcTri= (const uint16 *) ibaRead.getPtr();
1593 uint16 *pDstTri= (uint16 *) dstPtr+dstRdrPass.Triangles;
1594 for(;nIds>0;nIds--,pSrcTri++,pDstTri++)
1595 *pDstTri= *pSrcTri + baseVertex;
1596 }
1597
1598 // Next
1599 indexTri+= dstRdrPass.NumTriangles;
1600 }
1601 }
1602 }
1603 }
1604
1605
1606 // ***************************************************************************
1607 void CMeshMRMGeom::serial(NLMISC::IStream &f)
1608 {
1609 // because of complexity, serial is separated in save / load.
1610
1611 if(f.isReading())
1612 load(f);
1613 else
1614 save(f);
1615
1616 }
1617
1618
1619
1620 // ***************************************************************************
1621 sint CMeshMRMGeom::loadHeader(NLMISC::IStream &f)
1622 {
1623 /*
1624 Version 5:
1625 - Shadow Skinning
1626 Version 4:
1627 - serial SkinWeights per MRM, not per Lod
1628 Version 3:
1629 - Bones names.
1630 Version 2:
1631 - Mesh Vertex Program.
1632 Version 1:
1633 - added blend shapes
1634 Version 0:
1635 - base version.
1636 */
1637 sint ver= f.serialVersion(5);
1638
1639
1640 // if >= version 3, serial boens names
1641 if(ver>=3)
1642 {
1643 f.serialCont (_BonesName);
1644 }
1645
1646 // Version3-: Bones index are in skeleton model id list
1647 _BoneIdComputed = (ver < 3);
1648 // Must always recompute usage of parents of bones used.
1649 _BoneIdExtended = false;
1650
1651 // Mesh Vertex Program.
1652 if (ver >= 2)
1653 {
1654 IMeshVertexProgram *mvp= NULL;
1655 f.serialPolyPtr(mvp);
1656 _MeshVertexProgram= mvp;
1657 }
1658 else
1659 {
1660 // release vp
1661 _MeshVertexProgram= NULL;
1662 }
1663
1664 // blend shapes
1665 if (ver >= 1)
1666 f.serial (_MeshMorpher);
1667
1668 // serial Basic info.
1669 // ==================
1670 f.serial(_Skinned);
1671 f.serial(_BBox);
1672 f.serial(_LevelDetail.MaxFaceUsed);
1673 f.serial(_LevelDetail.MinFaceUsed);
1674 f.serial(_LevelDetail.DistanceFinest);
1675 f.serial(_LevelDetail.DistanceMiddle);
1676 f.serial(_LevelDetail.DistanceCoarsest);
1677 f.serial(_LevelDetail.OODistanceDelta);
1678 f.serial(_LevelDetail.DistancePow);
1679 // preload the Lods.
1680 f.serialCont(_LodInfos);
1681
1682 // read/save number of wedges.
1683 /* NB: prepare memory space too for vertices.
1684 \todo yoyo: TODO_OPTIMIZE. for now there is no Lod memory profit with vertices / skinWeights.
1685 But resizing arrays is a problem because of reallocation...
1686 */
1687 uint32 nWedges;
1688 f.serial(nWedges);
1689 // Prepare the VBuffer.
1690 _VBufferFinal.serialHeader(f);
1691 // If skinned, must allocate skinWeights.
1692 contReset(_SkinWeights);
1693 if(_Skinned)
1694 {
1695 _SkinWeights.resize(nWedges);
1696 }
1697
1698
1699 // If new version, serial SkinWeights in header, not in lods.
1700 if(ver >= 4)
1701 {
1702 f.serialCont(_SkinWeights);
1703 }
1704
1705
1706 // if >= version 5, serial Shadow Skin Information
1707 if(ver>=5)
1708 {
1709 f.serialCont (_ShadowSkin.Vertices);
1710 f.serialCont (_ShadowSkin.Triangles);
1711 }
1712
1713
1714 // Serial lod offsets.
1715 // ==================
1716 // This is the reference pos, to load / save relative offsets.
1717 sint32 startPos = f.getPos();
1718 // Those are the lodOffsets, relative to startPos.
1719 vector<sint32> lodOffsets;
1720 lodOffsets.resize(_LodInfos.size(), 0);
1721
1722 // read all relative offsets, and build the absolute offset of LodInfos.
1723 for(uint i=0;i<_LodInfos.size(); i++)
1724 {
1725 f.serial(lodOffsets[i]);
1726 _LodInfos[i].LodOffset= startPos + lodOffsets[i];
1727 }
1728
1729
1730 // resest the Lod arrays. NB: each Lod is empty, and ready to receive Lod data.
1731 // ==================
1732 contReset(_Lods);
1733 _Lods.resize(_LodInfos.size());
1734
1735 // Flag the fact that no lod is loaded for now.
1736 _NbLodLoaded= 0;
1737
1738 // Inform that the mesh data has changed
1739 dirtMeshDataId();
1740
1741
1742 // Some runtime not serialized compilation
1743 compileRunTime();
1744
1745 // return version of the header
1746 return ver;
1747 }
1748
1749
1750 // ***************************************************************************
1751 void CMeshMRMGeom::load(NLMISC::IStream &f)
1752 {
1753 // Load the header of the stream.
1754 // ==================
1755 sint verHeader= loadHeader(f);
1756
1757 // Read All lod subsets.
1758 // ==================
1759 for(uint i=0;i<_LodInfos.size(); i++)
1760 {
1761 // read the lod face data.
1762 f.serial(_Lods[i]);
1763 // read the lod vertex data.
1764 serialLodVertexData(f, _LodInfos[i].StartAddWedge, _LodInfos[i].EndAddWedges);
1765 // if reading, must bkup all original vertices from VB.
1766 // this is done in serialLodVertexData(). by subset
1767 }
1768
1769 // Now, all lods are loaded.
1770 _NbLodLoaded= (uint)_Lods.size();
1771
1772 // If version doen't have boneNames, must build BoneId now.
1773 if(verHeader <= 2)
1774 {
1775 buildBoneUsageVer2 ();
1776 }
1777 }
1778
1779
1780 // ***************************************************************************
1781 void CMeshMRMGeom::save(NLMISC::IStream &f)
1782 {
1783 /*
1784 Version 5:
1785 - Shadow Skinning
1786 Version 4:
1787 - serial SkinWeights per MRM, not per Lod
1788 Version 3:
1789 - Bones names.
1790 Version 2:
1791 - Mesh Vertex Program.
1792 Version 1:
1793 - added blend shapes
1794 Version 0:
1795 - base version.
1796 */
1797 sint ver= f.serialVersion(5);
1798 uint i;
1799
1800 // if >= version 3, serial bones names
1801 f.serialCont (_BonesName);
1802
1803 // Warning, if you have skinned this shape, you can't write it anymore because skinning id have been changed!
1804 nlassert (_BoneIdComputed==false);
1805
1806 // Mesh Vertex Program.
1807 if (ver >= 2)
1808 {
1809 IMeshVertexProgram *mvp= NULL;
1810 mvp= _MeshVertexProgram;
1811 f.serialPolyPtr(mvp);
1812 }
1813
1814 // blend shapes
1815 if (ver >= 1)
1816 f.serial (_MeshMorpher);
1817
1818 // must have good original Skinned Vertex before writing.
1819 if( _Skinned )
1820 {
1821 restoreOriginalSkinVertices();
1822 }
1823
1824
1825 // serial Basic info.
1826 // ==================
1827 f.serial(_Skinned);
1828 f.serial(_BBox);
1829 f.serial(_LevelDetail.MaxFaceUsed);
1830 f.serial(_LevelDetail.MinFaceUsed);
1831 f.serial(_LevelDetail.DistanceFinest);
1832 f.serial(_LevelDetail.DistanceMiddle);
1833 f.serial(_LevelDetail.DistanceCoarsest);
1834 f.serial(_LevelDetail.OODistanceDelta);
1835 f.serial(_LevelDetail.DistancePow);
1836 f.serialCont(_LodInfos);
1837
1838 // save number of wedges.
1839 uint32 nWedges;
1840 nWedges= _VBufferFinal.getNumVertices();
1841 f.serial(nWedges);
1842 // Save the VBuffer header.
1843 _VBufferFinal.serialHeader(f);
1844
1845
1846 // If new version, serial SkinWeights in header, not in lods.
1847 if(ver >= 4)
1848 {
1849 f.serialCont(_SkinWeights);
1850 }
1851
1852 // if >= version 5, serial Shadow Skin Information
1853 if(ver>=5)
1854 {
1855 f.serialCont (_ShadowSkin.Vertices);
1856 f.serialCont (_ShadowSkin.Triangles);
1857 }
1858
1859 // Serial lod offsets.
1860 // ==================
1861 // This is the reference pos, to load / save relative offsets.
1862 sint32 startPos = f.getPos();
1863 // Those are the lodOffsets, relative to startPos.
1864 vector<sint32> lodOffsets;
1865 lodOffsets.resize(_LodInfos.size(), 0);
1866
1867 // write all dummy offset. For now (since we don't know what to set), compute the offset of
1868 // the sint32 to come back in serial lod parts below.
1869 for(i=0;i<_LodInfos.size(); i++)
1870 {
1871 lodOffsets[i]= f.getPos();
1872 f.serial(lodOffsets[i]);
1873 }
1874
1875 // Serial lod subsets.
1876 // ==================
1877
1878 // Save all the lods.
1879 for(i=0;i<_LodInfos.size(); i++)
1880 {
1881 // get current absolute position.
1882 sint32 absCurPos= f.getPos();
1883
1884 // come back to "relative lodOffset" absolute position in the stream. (temp stored in lodOffset[i]).
1885 f.seek(lodOffsets[i], NLMISC::IStream::begin);
1886
1887 // write the relative position of the lod to the stream.
1888 sint32 relCurPos= absCurPos - startPos;
1889 f.serial(relCurPos);
1890
1891 // come back to absCurPos, to save the lod.
1892 f.seek(absCurPos, NLMISC::IStream::begin);
1893
1894 // And so now, save the lod.
1895 // write the lod face data.
1896 f.serial(_Lods[i]);
1897 // write the lod vertex data.
1898 serialLodVertexData(f, _LodInfos[i].StartAddWedge, _LodInfos[i].EndAddWedges);
1899 }
1900
1901
1902 }
1903
1904
1905
1906 // ***************************************************************************
1907 void CMeshMRMGeom::serialLodVertexData(NLMISC::IStream &f, uint startWedge, uint endWedge)
1908 {
1909 /*
1910 Version 1:
1911 - serial SkinWeights per MRM, not per Lod
1912 */
1913 sint ver= f.serialVersion(1);
1914
1915 // VBuffer part.
1916 _VBufferFinal.serialSubset(f, startWedge, endWedge);
1917
1918 // SkinWeights.
1919 if(_Skinned)
1920 {
1921 // Serialize SkinWeight per lod only for old versions.
1922 if(ver<1)
1923 {
1924 for(uint i= startWedge; i<endWedge; i++)
1925 {
1926 f.serial(_SkinWeights[i]);
1927 }
1928 }
1929 // if reading, must copy original vertices from VB.
1930 if( f.isReading())
1931 {
1932 bkupOriginalSkinVerticesSubset(startWedge, endWedge);
1933 }
1934 }
1935 }
1936
1937
1938
1939 // ***************************************************************************
1940 void CMeshMRMGeom::loadFirstLod(NLMISC::IStream &f)
1941 {
1942 // Load the header of the stream.
1943 // ==================
1944 sint verHeader= loadHeader(f);
1945
1946
1947 // If empty MRM, quit.
1948 if(_LodInfos.empty())
1949 return;
1950
1951 /* If the version is <4, then SkinWeights are serialised per Lod.
1952 But for computebonesId(), we must have all SkinWeights RIGHT NOW.
1953 Hence, if too old version (<4), serialize all the MRM....
1954 */
1955 uint numLodToLoad;
1956 if(verHeader<4)
1957 numLodToLoad= (uint)_LodInfos.size();
1958 else
1959 numLodToLoad= 1;
1960
1961
1962 // Read lod subset(s).
1963 // ==================
1964 for(uint i=0;i<numLodToLoad; i++)
1965 {
1966 // read the lod face data.
1967 f.serial(_Lods[i]);
1968 // read the lod vertex data.
1969 serialLodVertexData(f, _LodInfos[i].StartAddWedge, _LodInfos[i].EndAddWedges);
1970 // if reading, must bkup all original vertices from VB.
1971 // this is done in serialLodVertexData(). by subset
1972 }
1973
1974 // Now, just first lod is loaded (but if too old file)
1975 _NbLodLoaded= numLodToLoad;
1976
1977 // If version doen't have boneNames, must build BoneId now.
1978 if(verHeader <= 2)
1979 {
1980 buildBoneUsageVer2 ();
1981 }
1982 }
1983
1984
1985 // ***************************************************************************
1986 void CMeshMRMGeom::loadNextLod(NLMISC::IStream &f)
1987 {
1988 // If all is loaded, quit.
1989 if(getNbLodLoaded() == getNbLod())
1990 return;
1991
1992 // Set pos to good lod.
1993 f.seek(_LodInfos[_NbLodLoaded].LodOffset, NLMISC::IStream::begin);
1994
1995 // Serial this lod data.
1996 // read the lod face data.
1997 f.serial(_Lods[_NbLodLoaded]);
1998 // read the lod vertex data.
1999 serialLodVertexData(f, _LodInfos[_NbLodLoaded].StartAddWedge, _LodInfos[_NbLodLoaded].EndAddWedges);
2000 // if reading, must bkup all original vertices from VB.
2001 // this is done in serialLodVertexData(). by subset
2002
2003
2004 // Inc LodLoaded count.
2005 _NbLodLoaded++;
2006 }
2007
2008
2009 // ***************************************************************************
2010 void CMeshMRMGeom::unloadNextLod(NLMISC::IStream &f)
2011 {
2012 // If just first lod remain (or no lod), quit
2013 if(getNbLodLoaded() <= 1)
2014 return;
2015
2016 // Reset the entire Lod object. (Free Memory).
2017 contReset(_Lods[_NbLodLoaded-1]);
2018
2019
2020 // Dec LodLoaded count.
2021 _NbLodLoaded--;
2022 }
2023
2024
2025 // ***************************************************************************
2026 void CMeshMRMGeom::bkupOriginalSkinVertices()
2027 {
2028 nlassert(_Skinned);
2029
2030 // bkup the entire array.
2031 bkupOriginalSkinVerticesSubset(0, _VBufferFinal.getNumVertices());
2032 }
2033
2034
2035 // ***************************************************************************
2036 void CMeshMRMGeom::bkupOriginalSkinVerticesSubset(uint wedgeStart, uint wedgeEnd)
2037 {
2038 nlassert(_Skinned);
2039
2040 CVertexBufferReadWrite vba;
2041 _VBufferFinal.lock (vba);
2042
2043 // Copy VBuffer content into Original vertices normals.
2044 if(_VBufferFinal.getVertexFormat() & CVertexBuffer::PositionFlag)
2045 {
2046 // copy vertices from VBuffer. (NB: useless geomorphed vertices are still copied, but doesn't matter).
2047 _OriginalSkinVertices.resize(_VBufferFinal.getNumVertices());
2048 for(uint i=wedgeStart; i<wedgeEnd;i++)
2049 {
2050 _OriginalSkinVertices[i]= *vba.getVertexCoordPointer(i);
2051 }
2052 }
2053 if(_VBufferFinal.getVertexFormat() & CVertexBuffer::NormalFlag)
2054 {
2055 // copy normals from VBuffer. (NB: useless geomorphed normals are still copied, but doesn't matter).
2056 _OriginalSkinNormals.resize(_VBufferFinal.getNumVertices());
2057 for(uint i=wedgeStart; i<wedgeEnd;i++)
2058 {
2059 _OriginalSkinNormals[i]= *vba.getNormalCoordPointer(i);
2060 }
2061 }
2062
2063 // is there tangent space added ?
2064 if (_MeshVertexProgram && _MeshVertexProgram->needTangentSpace())
2065 {
2066 // yes, backup it
2067 nlassert(_VBufferFinal.getNumTexCoordUsed() > 0);
2068 uint tgSpaceStage = _VBufferFinal.getNumTexCoordUsed() - 1;
2069 _OriginalTGSpace.resize(_VBufferFinal.getNumVertices());
2070 for(uint i=wedgeStart; i<wedgeEnd;i++)
2071 {
2072 _OriginalTGSpace[i]= *(CVector*)vba.getTexCoordPointer(i, tgSpaceStage);
2073 }
2074 }
2075 }
2076
2077
2078 // ***************************************************************************
2079 void CMeshMRMGeom::restoreOriginalSkinVertices()
2080 {
2081 nlassert(_Skinned);
2082
2083 CVertexBufferReadWrite vba;
2084 _VBufferFinal.lock (vba);
2085
2086 // Copy VBuffer content into Original vertices normals.
2087 if(_VBufferFinal.getVertexFormat() & CVertexBuffer::PositionFlag)
2088 {
2089 // copy vertices from VBuffer. (NB: useless geomorphed vertices are still copied, but doesn't matter).
2090 for(uint i=0; i<_VBufferFinal.getNumVertices();i++)
2091 {
2092 *vba.getVertexCoordPointer(i)= _OriginalSkinVertices[i];
2093 }
2094 }
2095 if(_VBufferFinal.getVertexFormat() & CVertexBuffer::NormalFlag)
2096 {
2097 // copy normals from VBuffer. (NB: useless geomorphed normals are still copied, but doesn't matter).
2098 for(uint i=0; i<_VBufferFinal.getNumVertices();i++)
2099 {
2100 *vba.getNormalCoordPointer(i)= _OriginalSkinNormals[i];
2101 }
2102 }
2103 if (_MeshVertexProgram && _MeshVertexProgram->needTangentSpace())
2104 {
2105 uint numTexCoords = _VBufferFinal.getNumTexCoordUsed();
2106 nlassert(numTexCoords >= 2);
2107 nlassert(_OriginalTGSpace.size() == _VBufferFinal.getNumVertices());
2108 // copy tangent space vectors
2109 for(uint i = 0; i < _VBufferFinal.getNumVertices(); ++i)
2110 {
2111 *(CVector*)vba.getTexCoordPointer(i, numTexCoords - 1)= _OriginalTGSpace[i];
2112 }
2113 }
2114 }
2115
2116
2117 // ***************************************************************************
2118 void CMeshMRMGeom::restoreOriginalSkinPart(CLod &lod)
2119 {
2120 nlassert(_Skinned);
2121
2122
2123 /*
2124 YOYO: _Skinned mrms no more support vertexBufferHard
2125 see note in renderSkin()
2126 */
2127
2128 // get vertexPtr / normalOff.
2129 //===========================
2130 CVertexBufferReadWrite vba;
2131 _VBufferFinal.lock (vba);
2132 uint8 *destVertexPtr= (uint8*)vba.getVertexCoordPointer();
2133 uint flags= _VBufferFinal.getVertexFormat();
2134 sint32 vertexSize= _VBufferFinal.getVertexSize();
2135 // must have XYZ.
2136 nlassert(flags & CVertexBuffer::PositionFlag);
2137
2138 // Compute offset of each component of the VB.
2139 sint32 normalOff;
2140 if(flags & CVertexBuffer::NormalFlag)
2141 normalOff= _VBufferFinal.getNormalOff();
2142 else
2143 normalOff= 0;
2144
2145
2146 // compute src array.
2147 CVector *srcVertexPtr;
2148 CVector *srcNormalPtr= NULL;
2149 srcVertexPtr= &_OriginalSkinVertices[0];
2150 if(normalOff)
2151 srcNormalPtr= &(_OriginalSkinNormals[0]);
2152
2153
2154 // copy skinning.
2155 //===========================
2156 for(uint i=0;i<NL3D_MESH_SKINNING_MAX_MATRIX;i++)
2157 {
2158 uint nInf= (uint)lod.InfluencedVertices[i].size();
2159 if( nInf==0 )
2160 continue;
2161 uint32 *infPtr= &(lod.InfluencedVertices[i][0]);
2162
2163 // for all InfluencedVertices only.
2164 for(;nInf>0;nInf--, infPtr++)
2165 {
2166 uint index= *infPtr;
2167 CVector *srcVertex= srcVertexPtr + index;
2168 CVector *srcNormal= srcNormalPtr + index;
2169 uint8 *dstVertexVB= destVertexPtr + index * vertexSize;
2170 CVector *dstVertex= (CVector*)(dstVertexVB);
2171 CVector *dstNormal= (CVector*)(dstVertexVB + normalOff);
2172
2173
2174 // Vertex.
2175 *dstVertex= *srcVertex;
2176 // Normal.
2177 if(normalOff)
2178 *dstNormal= *srcNormal;
2179 }
2180 }
2181
2182
2183 // clean this lod part. (NB: this is not optimal, but sufficient :) ).
2184 lod.OriginalSkinRestored= true;
2185 }
2186
2187 // ***************************************************************************
2188
2189 float CMeshMRMGeom::getNumTriangles (float distance)
2190 {
2191 // NB: this is an approximation, but this is continious.
2192 return _LevelDetail.getNumTriangles(distance);
2193 }
2194
2195
2196
2197 // ***************************************************************************
2198 void CMeshMRMGeom::computeBonesId (CSkeletonModel *skeleton)
2199 {
2200 // Already computed ?
2201 if (!_BoneIdComputed)
2202 {
2203 // Get a pointer on the skeleton
2204 nlassert (skeleton);
2205 if (skeleton)
2206 {
2207 // **** For each bones, compute remap
2208 std::vector<uint> remap;
2209 skeleton->remapSkinBones(_BonesName, _BonesId, remap);
2210
2211
2212 // **** Remap the vertices, and compute Bone Spheres.
2213
2214 // Find the Geomorph space: to process only real vertices, not geomorphed ones.
2215 uint nGeomSpace= 0;
2216 uint lod;
2217 for (lod=0; lod<_Lods.size(); lod++)
2218 {
2219 nGeomSpace= max(nGeomSpace, (uint)_Lods[lod].Geomorphs.size());
2220 }
2221
2222 // Prepare Sphere compute
2223 nlassert(_OriginalSkinVertices.size() == _SkinWeights.size());
2224 static std::vector<CAABBox> boneBBoxes;
2225 static std::vector<bool> boneBBEmpty;
2226 boneBBoxes.clear();
2227 boneBBEmpty.clear();
2228 boneBBoxes.resize(_BonesId.size());
2229 boneBBEmpty.resize(_BonesId.size(), true);
2230
2231 // Remap the vertex, and compute the bone spheres. see CTransform::getSkinBoneSphere() doc.
2232 // for true vertices
2233 uint vert;
2234 for (vert=nGeomSpace; vert<_SkinWeights.size(); vert++)
2235 {
2236 // get the vertex position.
2237 CVector vertex= _OriginalSkinVertices[vert];
2238
2239 // For each weight
2240 uint weight;
2241 for (weight=0; weight<NL3D_MESH_SKINNING_MAX_MATRIX; weight++)
2242 {
2243 // Active ?
2244 if ((_SkinWeights[vert].Weights[weight]>0)||(weight==0))
2245 {
2246 // Check id
2247 uint srcId= _SkinWeights[vert].MatrixId[weight];
2248 nlassert (srcId < remap.size());
2249 // remap
2250 _SkinWeights[vert].MatrixId[weight] = remap[srcId];
2251
2252 // if the boneId is valid (ie found)
2253 if(_BonesId[srcId]>=0)
2254 {
2255 // transform the vertex pos in BoneSpace
2256 CVector p= skeleton->Bones[_BonesId[srcId]].getBoneBase().InvBindPos * vertex;
2257 // extend the bone bbox.
2258 if(boneBBEmpty[srcId])
2259 {
2260 boneBBoxes[srcId].setCenter(p);
2261 boneBBEmpty[srcId]= false;
2262 }
2263 else
2264 {
2265 boneBBoxes[srcId].extend(p);
2266 }
2267 }
2268 }
2269 else
2270 break;
2271 }
2272 }
2273
2274 // Compile spheres
2275 _BonesSphere.resize(_BonesId.size());
2276 for(uint bone=0;bone<_BonesSphere.size();bone++)
2277 {
2278 // If the bone is empty, mark with -1 in the radius.
2279 if(boneBBEmpty[bone])
2280 {
2281 _BonesSphere[bone].Radius= -1;
2282 }
2283 else
2284 {
2285 _BonesSphere[bone].Center= boneBBoxes[bone].getCenter();
2286 _BonesSphere[bone].Radius= boneBBoxes[bone].getRadius();
2287 }
2288 }
2289
2290 // **** Remap the vertex influence by lods
2291 for (lod=0; lod<_Lods.size(); lod++)
2292 {
2293 // For each matrix used
2294 uint matrix;
2295 for (matrix=0; matrix<_Lods[lod].MatrixInfluences.size(); matrix++)
2296 {
2297 // Check
2298 nlassert (_Lods[lod].MatrixInfluences[matrix]<remap.size());
2299
2300 // Remap
2301 _Lods[lod].MatrixInfluences[matrix] = remap[_Lods[lod].MatrixInfluences[matrix]];
2302 }
2303 }
2304
2305 // **** Remap Shadow Vertices.
2306 for(vert=0;vert<_ShadowSkin.Vertices.size();vert++)
2307 {
2308 CShadowVertex &v= _ShadowSkin.Vertices[vert];
2309 // Check id
2310 nlassert (v.MatrixId < remap.size());
2311 v.MatrixId= remap[v.MatrixId];
2312 }
2313
2314 // Computed
2315 _BoneIdComputed = true;
2316 }
2317 }
2318
2319 // Already extended ?
2320 if (!_BoneIdExtended)
2321 {
2322 nlassert (skeleton);
2323 if (skeleton)
2324 {
2325 // the total bone Usage of the mesh.
2326 vector<bool> boneUsage;
2327 boneUsage.resize(skeleton->Bones.size(), false);
2328
2329 // for all Bones marked as valid.
2330 uint i;
2331 for(i=0; i<_BonesId.size(); i++)
2332 {
2333 // if not a valid boneId, skip it.
2334 if(_BonesId[i]<0)
2335 continue;
2336
2337 // mark him and his father in boneUsage.
2338 skeleton->flagBoneAndParents(_BonesId[i], boneUsage);
2339 }
2340
2341 // fill _BonesIdExt with bones of _BonesId and their parents.
2342 _BonesIdExt.clear();
2343 for(i=0; i<boneUsage.size();i++)
2344 {
2345 // if the bone is used by the mesh, add it to BoneIdExt.
2346 if(boneUsage[i])
2347 _BonesIdExt.push_back(i);
2348 }
2349
2350 }
2351
2352 // Extended
2353 _BoneIdExtended= true;
2354 }
2355
2356 }
2357
2358
2359 // ***************************************************************************
2360 void CMeshMRMGeom::buildBoneUsageVer2 ()
2361 {
2362 if(_Skinned)
2363 {
2364 // parse all vertices, couting MaxBoneId used.
2365 uint32 maxBoneId= 0;
2366 // for each vertex
2367 uint vert;
2368 for (vert=0; vert<_SkinWeights.size(); vert++)
2369 {
2370 // For each weight
2371 for (uint weight=0; weight<NL3D_MESH_SKINNING_MAX_MATRIX; weight++)
2372 {
2373 // Active ?
2374 if ((_SkinWeights[vert].Weights[weight]>0)||(weight==0))
2375 {
2376 maxBoneId= max(_SkinWeights[vert].MatrixId[weight], maxBoneId);
2377 }
2378 }
2379 }
2380
2381 // alloc an array of maxBoneId+1, reset to 0.
2382 std::vector<uint8> boneUsage;
2383 boneUsage.resize(maxBoneId+1, 0);
2384
2385 // reparse all vertices, counting usage for each bone.
2386 for (vert=0; vert<_SkinWeights.size(); vert++)
2387 {
2388 // For each weight
2389 for (uint weight=0; weight<NL3D_MESH_SKINNING_MAX_MATRIX; weight++)
2390 {
2391 // Active ?
2392 if ((_SkinWeights[vert].Weights[weight]>0)||(weight==0))
2393 {
2394 // mark this bone as used.
2395 boneUsage[_SkinWeights[vert].MatrixId[weight]]= 1;
2396 }
2397 }
2398 }
2399
2400 // For each bone used
2401 _BonesId.clear();
2402 for(uint i=0; i<boneUsage.size();i++)
2403 {
2404 // if the bone is used by the mesh, add it to BoneId.
2405 if(boneUsage[i])
2406 _BonesId.push_back(i);
2407 }
2408 }
2409 }
2410
2411
2412 // ***************************************************************************
2413 void CMeshMRMGeom::updateSkeletonUsage(CSkeletonModel *sm, bool increment)
2414 {
2415 // For all Bones used.
2416 for(uint i=0; i<_BonesIdExt.size();i++)
2417 {
2418 uint boneId= _BonesIdExt[i];
2419 // Some explicit Error.
2420 if(boneId>=sm->Bones.size())
2421 nlerror(" Skin is incompatible with Skeleton: tries to use bone %d", boneId);
2422 // increment or decrement not Forced, because CMeshGeom use getActiveBoneSkinMatrix().
2423 if(increment)
2424 sm->incBoneUsage(boneId, CSkeletonModel::UsageNormal);
2425 else
2426 sm->decBoneUsage(boneId, CSkeletonModel::UsageNormal);
2427 }
2428 }
2429
2430
2431 // ***************************************************************************
2432 void CMeshMRMGeom::compileRunTime()
2433 {
2434 _PreciseClipping= _BBox.getRadius() >= NL3D_MESH_PRECISE_CLIP_THRESHOLD;
2435
2436 // Compute if can support SkinGrouping rendering
2437 if(_Lods.empty() || !_Skinned)
2438 {
2439 _SupportSkinGrouping= false;
2440 _SupportShadowSkinGrouping= false;
2441 }
2442 else
2443 {
2444 // The Mesh must follow those restrictions, to support group skinning
2445 _SupportSkinGrouping=
2446 _VBufferFinal.getVertexFormat() == NL3D_MESH_SKIN_MANAGER_VERTEXFORMAT &&
2447 _VBufferFinal.getNumVertices() < NL3D_MESH_SKIN_MANAGER_MAXVERTICES &&
2448 !_MeshVertexProgram;
2449
2450 // Support Shadow SkinGrouping if Shadow setuped, and if not too many vertices.
2451 _SupportShadowSkinGrouping= !_ShadowSkin.Vertices.empty() &&
2452 NL3D_SHADOW_MESH_SKIN_MANAGER_VERTEXFORMAT==CVertexBuffer::PositionFlag &&
2453 _ShadowSkin.Vertices.size() <= NL3D_SHADOW_MESH_SKIN_MANAGER_MAXVERTICES;
2454 }
2455
2456 // Support MeshBlockRendering only if not skinned/meshMorphed.
2457 _SupportMeshBlockRendering= !_Skinned && _MeshMorpher.BlendShapes.empty();
2458
2459 // \todo yoyo: support later MeshVertexProgram
2460 _SupportMeshBlockRendering= _SupportMeshBlockRendering && _MeshVertexProgram==NULL;
2461 }
2462
2463
2464 // ***************************************************************************
2465 void CMeshMRMGeom::profileSceneRender(CRenderTrav *rdrTrav, CTransformShape *trans, float polygonCount, uint32 rdrFlags)
2466 {
2467 // if no _Lods, no draw
2468 if(_Lods.empty())
2469 return;
2470
2471 // get the result of the Load Balancing.
2472 float alphaMRM= _LevelDetail.getLevelDetailFromPolyCount(polygonCount);
2473
2474 // choose the lod.
2475 float alphaLod;
2476 sint numLod= chooseLod(alphaMRM, alphaLod);
2477
2478 // Render the choosen Lod.
2479 CLod &lod= _Lods[numLod];
2480
2481 // get the mesh instance.
2482 CMeshBaseInstance *mi= safe_cast<CMeshBaseInstance*>(trans);
2483
2484 // Profile all pass.
2485 uint triCount= 0;
2486 for (uint i=0;i<lod.RdrPass.size();i++)
2487 {
2488 CRdrPass &rdrPass= lod.RdrPass[i];
2489 // Profile with the Materials of the MeshInstance.
2490 if ( ( (mi->Materials[rdrPass.MaterialId].getBlend() == false) && (rdrFlags & IMeshGeom::RenderOpaqueMaterial) ) ||
2491 ( (mi->Materials[rdrPass.MaterialId].getBlend() == true) && (rdrFlags & IMeshGeom::RenderTransparentMaterial) ) )
2492 {
2493 triCount+= rdrPass.PBlock.getNumIndexes()/3;
2494 }
2495 }
2496
2497 // Profile
2498 if(triCount)
2499 {
2500 // tri per VBFormat
2501 rdrTrav->Scene->incrementProfileTriVBFormat(rdrTrav->Scene->BenchRes.MeshMRMProfileTriVBFormat,
2502 _VBufferFinal.getVertexFormat(), triCount);
2503
2504 // VBHard
2505 if(_VBufferFinal.getPreferredMemory()!=CVertexBuffer::RAMPreferred)
2506 rdrTrav->Scene->BenchRes.NumMeshMRMVBufferHard++;
2507 else
2508 rdrTrav->Scene->BenchRes.NumMeshMRMVBufferStd++;
2509
2510 // rendered in BlockRendering, only if not transparent pass (known it if RenderTransparentMaterial is set)
2511 if(supportMeshBlockRendering() && (rdrFlags & IMeshGeom::RenderTransparentMaterial)==0 )
2512 {
2513 if(isMeshInVBHeap())
2514 {
2515 rdrTrav->Scene->BenchRes.NumMeshMRMRdrBlockWithVBHeap++;
2516 rdrTrav->Scene->BenchRes.NumMeshMRMTriRdrBlockWithVBHeap+= triCount;
2517 }
2518 else
2519 {
2520 rdrTrav->Scene->BenchRes.NumMeshMRMRdrBlock++;
2521 rdrTrav->Scene->BenchRes.NumMeshMRMTriRdrBlock+= triCount;
2522 }
2523 }
2524 else
2525 {
2526 rdrTrav->Scene->BenchRes.NumMeshMRMRdrNormal++;
2527 rdrTrav->Scene->BenchRes.NumMeshMRMTriRdrNormal+= triCount;
2528 }
2529 }
2530 }
2531
2532
2533 // ***************************************************************************
2534 bool CMeshMRMGeom::buildGeometryForLod(uint lodId, std::vector<CVector> &vertices, std::vector<uint32> &triangles) const
2535 {
2536 if(lodId>=_Lods.size())
2537 return false;
2538
2539 // avoid slow lock
2540 if(_VBufferFinal.isResident())
2541 return false;
2542
2543 // clear first
2544 vertices.clear();
2545 triangles.clear();
2546
2547
2548 // **** First, for the lod indicate what vertex is used or not. Also index geomorphs to know what real vertex is used
2549 static vector<sint> vertexRemap;
2550 vertexRemap.clear();
2551 // -1 means "not used"
2552 vertexRemap.resize(_VBufferFinal.getNumVertices(), -1);
2553 // count also total number of indices
2554 uint numTotalIndices= 0;
2555 // Parse all triangles.
2556 uint i;
2557 for(i=0;i<getNbRdrPass(lodId);i++)
2558 {
2559 const CIndexBuffer &pb = getRdrPassPrimitiveBlock(lodId, i);
2560 // avoid slow lock
2561 if(pb.isResident())
2562 return false;
2563 CIndexBufferRead iba;
2564 pb.lock (iba);
2565 nlassert(iba.getFormat()==NL_MESH_MRM_INDEX_FORMAT);
2566 TMeshMRMIndexType *src= (TMeshMRMIndexType *) iba.getPtr();
2567 for(uint n= pb.getNumIndexes();n>0;n--, src++)
2568 {
2569 uint idx= *src;
2570 // Flag the vertex with its own index => used.
2571 vertexRemap[idx]= idx;
2572 }
2573
2574 // total num indices
2575 numTotalIndices+= pb.getNumIndexes();
2576 }
2577 // Special for Geomorphs: must take The End target vertex.
2578 const std::vector<CMRMWedgeGeom> &geomorphs= getGeomorphs(lodId);
2579 for(i=0;i<geomorphs.size();i++)
2580 {
2581 uint trueIdx= geomorphs[i].End;
2582 // map to the Geomorph Target.
2583 vertexRemap[i]= trueIdx;
2584 // mark also the real vertex used as used.
2585 vertexRemap[trueIdx]= trueIdx;
2586 }
2587 // if no index, abort
2588 if(numTotalIndices==0)
2589 return false;
2590
2591
2592 // **** count number of vertices really used (skip geomorphs)
2593 uint numUsedVertices=0;
2594 for(i=(uint)geomorphs.size();i<vertexRemap.size();i++)
2595 {
2596 if(vertexRemap[i]>=0)
2597 numUsedVertices++;
2598 }
2599 // if none, abort
2600 if(numUsedVertices==0)
2601 return false;
2602 // Then we have our vertices size
2603 vertices.resize(numUsedVertices);
2604
2605
2606 // **** Fill the vertex geometry
2607 {
2608 // Lock input VB
2609 CVertexBufferRead vba;
2610 _VBufferFinal.lock(vba);
2611
2612 // get the start vert, beginning at end of geomorphs
2613 const uint8 *pSrcVert= (const uint8*)vba.getVertexCoordPointer((uint)geomorphs.size());
2614 uint32 vertSize= _VBufferFinal.getVertexSize();
2615 CVector *pDstVert= &vertices[0];
2616 uint dstIndex= 0;
2617
2618 // Then run all input vertices (skip geomorphs)
2619 for(i=(uint)geomorphs.size();i<vertexRemap.size();i++)
2620 {
2621 // if the vertex is used
2622 if(vertexRemap[i]>=0)
2623 {
2624 // Final remaping of vertex to final index
2625 vertexRemap[i]= dstIndex;
2626 // copy to dest
2627 *pDstVert= *(CVector*)pSrcVert;
2628
2629 // next dest
2630 pDstVert++;
2631 dstIndex++;
2632 }
2633
2634 // next src
2635 pSrcVert+= vertSize;
2636 }
2637
2638 // should have fill the entire buffer
2639 nlassert(uint(pDstVert-(&vertices[0]))==numUsedVertices);
2640
2641 // Resolve remapping for geomorphs
2642 for(i=0;i<geomorphs.size();i++)
2643 {
2644 // use the same final index as the EndGeomorph vertex
2645 uint endGeomIdx= vertexRemap[i];
2646 vertexRemap[i]= vertexRemap[endGeomIdx];
2647 }
2648 }
2649
2650
2651 // **** Fill the indices
2652 triangles.resize(numTotalIndices);
2653 uint32 *pDstIndex= &triangles[0];
2654 // for all render pass
2655 for(i=0;i<getNbRdrPass(lodId);i++)
2656 {
2657 const CIndexBuffer &pb = getRdrPassPrimitiveBlock(lodId, i);
2658 CIndexBufferRead iba;
2659 pb.lock (iba);
2660 TMeshMRMIndexType *src= (TMeshMRMIndexType *) iba.getPtr();
2661 for(uint n= pb.getNumIndexes();n>0;n--, src++)
2662 {
2663 // resolve any geomorph, and final remapping
2664 uint remapedIdx= vertexRemap[*src];
2665 nlassert(remapedIdx<vertices.size());
2666 *pDstIndex= remapedIdx;
2667 pDstIndex++;
2668 }
2669 }
2670 // should have filled the entire buffer
2671 nlassert(uint(pDstIndex-(&triangles[0]))==numTotalIndices);
2672
2673
2674 return true;
2675 }
2676
2677
2678
2679 // ***************************************************************************
2680 // ***************************************************************************
2681 // Mesh Block Render Interface
2682 // ***************************************************************************
2683 // ***************************************************************************
2684
2685
2686 // ***************************************************************************
2687 bool CMeshMRMGeom::supportMeshBlockRendering () const
2688 {
2689 /*
2690 Yoyo: Don't Support It for MRM because too Slow!!
2691 The problem is that lock() unlock() on each instance, on the same VBHeap IS AS SLOWER AS
2692 VB switching.
2693
2694 TODO_OPTIMIZE: find a way to optimize MRM.
2695 */
2696 return false;
2697 //return _SupportMeshBlockRendering;
2698 }
2699
2700 // ***************************************************************************
2701 bool CMeshMRMGeom::sortPerMaterial() const
2702 {
2703 // Can't do it per material since 2 lods may not have the same number of RdrPass!!
2704 return false;
2705 }
2706 // ***************************************************************************
2707 uint CMeshMRMGeom::getNumRdrPassesForMesh() const
2708 {
2709 // not used...
2710 return 0;
2711
2712 }
2713 // ***************************************************************************
2714 uint CMeshMRMGeom::getNumRdrPassesForInstance(CMeshBaseInstance *inst) const
2715 {
2716 return (uint)_Lods[_MBRCurrentLodId].RdrPass.size();
2717 }
2718 // ***************************************************************************
2719 void CMeshMRMGeom::beginMesh(CMeshGeomRenderContext &rdrCtx)
2720 {
2721 if(_Lods.empty())
2722 return;
2723
2724 IDriver *drv= rdrCtx.Driver;
2725
2726 if(rdrCtx.RenderThroughVBHeap)
2727 {
2728 // Don't setup VB in this case, since use the VBHeap setuped one.
2729 }
2730 else
2731 {
2732 drv->activeVertexBuffer(_VBufferFinal);
2733 }
2734
2735
2736 // force normalisation of normals..
2737 _MBRBkupNormalize= drv->isForceNormalize();
2738 drv->forceNormalize(true);
2739
2740 }
2741 // ***************************************************************************
2742 void CMeshMRMGeom::activeInstance(CMeshGeomRenderContext &rdrCtx, CMeshBaseInstance *inst, float polygonCount, void *vbDst)
2743 {
2744 H_AUTO( NL3D_MeshMRMGeom_RenderNormal );
2745
2746 if(_Lods.empty())
2747 return;
2748
2749 // get the result of the Load Balancing.
2750 float alphaMRM= _LevelDetail.getLevelDetailFromPolyCount(polygonCount);
2751
2752 // choose the lod.
2753 float alphaLod;
2754 _MBRCurrentLodId= chooseLod(alphaMRM, alphaLod);
2755
2756 // Geomorph the choosen Lod (if not the coarser mesh).
2757 if(_MBRCurrentLodId>0)
2758 {
2759 if(rdrCtx.RenderThroughVBHeap)
2760 applyGeomorphWithVBHardPtr(_Lods[_MBRCurrentLodId].Geomorphs, alphaLod, (uint8*)vbDst);
2761 else
2762 applyGeomorph(_Lods[_MBRCurrentLodId].Geomorphs, alphaLod);
2763 }
2764
2765 // set the instance worldmatrix.
2766 rdrCtx.Driver->setupModelMatrix(inst->getWorldMatrix());
2767
2768 // setupLighting.
2769 inst->changeLightSetup(rdrCtx.RenderTrav);
2770 }
2771 // ***************************************************************************
2772 void CMeshMRMGeom::renderPass(CMeshGeomRenderContext &rdrCtx, CMeshBaseInstance *mi, float polygonCount, uint rdrPassId)
2773 {
2774 if(_Lods.empty())
2775 return;
2776
2777 CLod &lod= _Lods[_MBRCurrentLodId];
2778 CRdrPass &rdrPass= lod.RdrPass[rdrPassId];
2779
2780 if ( mi->Materials[rdrPass.MaterialId].getBlend() == false )
2781 {
2782 // CMaterial Ref
2783 CMaterial &material=mi->Materials[rdrPass.MaterialId];
2784
2785 // Render with the Materials of the MeshInstance.
2786 if(rdrCtx.RenderThroughVBHeap)
2787 {
2788 // render shifted primitives
2789 rdrCtx.Driver->activeIndexBuffer(rdrPass.VBHeapPBlock);
2790 rdrCtx.Driver->renderTriangles(material, 0, rdrPass.VBHeapPBlock.getNumIndexes()/3);
2791 }
2792 else
2793 {
2794 rdrCtx.Driver->activeIndexBuffer(rdrPass.PBlock);
2795 rdrCtx.Driver->renderTriangles(material, 0, rdrPass.PBlock.getNumIndexes()/3);
2796 }
2797 }
2798 }
2799
2800 // ***************************************************************************
2801 void CMeshMRMGeom::endMesh(CMeshGeomRenderContext &rdrCtx)
2802 {
2803 if(_Lods.empty())
2804 return;
2805
2806 // bkup force normalisation.
2807 rdrCtx.Driver->forceNormalize(_MBRBkupNormalize);
2808 }
2809
2810
2811 // ***************************************************************************
2812 bool CMeshMRMGeom::getVBHeapInfo(uint &vertexFormat, uint &numVertices)
2813 {
2814 // CMeshMRMGeom support VBHeap rendering, assuming _SupportMeshBlockRendering is true
2815 vertexFormat= _VBufferFinal.getVertexFormat();
2816 numVertices= _VBufferFinal.getNumVertices();
2817 return _SupportMeshBlockRendering;
2818 }
2819
2820 // ***************************************************************************
2821 void CMeshMRMGeom::computeMeshVBHeap(void *dst, uint indexStart)
2822 {
2823 // Fill dst with Buffer content.
2824 CVertexBufferRead vba;
2825 _VBufferFinal.lock (vba);
2826 memcpy(dst, vba.getVertexCoordPointer(), _VBufferFinal.getNumVertices()*_VBufferFinal.getVertexSize() );
2827
2828 // For All Lods
2829 for(uint lodId=0; lodId<_Lods.size();lodId++)
2830 {
2831 CLod &lod= _Lods[lodId];
2832
2833 // For all rdrPass.
2834 for(uint i=0;i<lod.RdrPass.size();i++)
2835 {
2836 // shift the PB
2837 CIndexBuffer &srcPb= lod.RdrPass[i].PBlock;
2838 CIndexBuffer &dstPb= lod.RdrPass[i].VBHeapPBlock;
2839 uint j;
2840
2841 // Tris.
2842 CIndexBufferRead ibaRead;
2843 srcPb.lock (ibaRead);
2844 CIndexBufferReadWrite ibaWrite;
2845 srcPb.lock (ibaWrite);
2846 dstPb.setNumIndexes(srcPb.getNumIndexes());
2847 // nico : apparently not used, so don't manage 16 bit index here
2848 nlassert(ibaRead.getIndexNumBytes() == sizeof(uint32));
2849 nlassert(ibaWrite.getIndexNumBytes() == sizeof(uint32));
2850 nlassert(ibaRead.getFormat() == CIndexBuffer::Indices32); // nico : apparently not called for now
2851 const uint32 *srcTriPtr= (const uint32 *) ibaRead.getPtr();
2852 uint32 *dstTriPtr= (uint32 *) ibaWrite.getPtr();
2853 for(j=0; j<dstPb.getNumIndexes();j++)
2854 {
2855 dstTriPtr[j]= srcTriPtr[j]+indexStart;
2856 }
2857 }
2858 }
2859 }
2860
2861 // ***************************************************************************
2862 bool CMeshMRMGeom::isActiveInstanceNeedVBFill() const
2863 {
2864 // Yes, need it for geomorph
2865 return true;
2866 }
2867
2868
2869 // ***************************************************************************
2870 // ***************************************************************************
2871 // CMeshMRM.
2872 // ***************************************************************************
2873 // ***************************************************************************
2874
2875
2876
2877 // ***************************************************************************
2878 CMeshMRM::CMeshMRM()
2879 {
2880 }
2881 // ***************************************************************************
2882 void CMeshMRM::build (CMeshBase::CMeshBaseBuild &mBase, CMesh::CMeshBuild &m,
2883 std::vector<CMesh::CMeshBuild*> &listBS,
2884 const CMRMParameters &params)
2885 {
2886 /// copy MeshBase info: materials ....
2887 CMeshBase::buildMeshBase (mBase);
2888
2889 // Then build the geom.
2890 _MeshMRMGeom.build (m, listBS, (uint)mBase.Materials.size(), params);
2891 }
2892 // ***************************************************************************
2893 void CMeshMRM::build (CMeshBase::CMeshBaseBuild &m, const CMeshMRMGeom &mgeom)
2894 {
2895 /// copy MeshBase info: materials ....
2896 CMeshBase::buildMeshBase(m);
2897
2898 // Then copy the geom.
2899 _MeshMRMGeom= mgeom;
2900 }
2901
2902
2903 // ***************************************************************************
2904 void CMeshMRM::optimizeMaterialUsage(std::vector<sint> &remap)
2905 {
2906 // For each material, count usage.
2907 vector<bool> materialUsed;
2908 materialUsed.resize(CMeshBase::_Materials.size(), false);
2909 for(uint lod=0;lod<getNbLod();lod++)
2910 {
2911 for(uint rp=0;rp<getNbRdrPass(lod);rp++)
2912 {
2913 uint matId= getRdrPassMaterial(lod, rp);
2914 // flag as used.
2915 materialUsed[matId]= true;
2916 }
2917 }
2918
2919 // Apply it to meshBase
2920 CMeshBase::applyMaterialUsageOptim(materialUsed, remap);
2921
2922 // Apply lut to meshGeom.
2923 _MeshMRMGeom.applyMaterialRemap(remap);
2924 }
2925
2926
2927 // ***************************************************************************
2928 CTransformShape *CMeshMRM::createInstance(CScene &scene)
2929 {
2930 // Create a CMeshMRMInstance, an instance of a mesh.
2931 //===============================================
2932 CMeshMRMInstance *mi= (CMeshMRMInstance*)scene.createModel(NL3D::MeshMRMInstanceId);
2933 mi->Shape= this;
2934
2935 // instanciate the material part of the MeshMRM, ie the CMeshBase.
2936 CMeshBase::instanciateMeshBase(mi, &scene);
2937
2938
2939 // do some instance init for MeshGeom
2940 _MeshMRMGeom.initInstance(mi);
2941
2942 // init the FilterType
2943 mi->initRenderFilterType();
2944
2945 return mi;
2946 }
2947
2948
2949 // ***************************************************************************
2950 bool CMeshMRM::clip(const std::vector<CPlane> &pyramid, const CMatrix &worldMatrix)
2951 {
2952 return _MeshMRMGeom.clip(pyramid, worldMatrix);
2953 }
2954
2955
2956 // ***************************************************************************
2957 void CMeshMRM::render(IDriver *drv, CTransformShape *trans, bool passOpaque)
2958 {
2959 // 0 or 0xFFFFFFFF
2960 uint32 mask= (0-(uint32)passOpaque);
2961 uint32 rdrFlags;
2962 // select rdrFlags, without ifs.
2963 rdrFlags= mask & (IMeshGeom::RenderOpaqueMaterial | IMeshGeom::RenderPassOpaque);
2964 rdrFlags|= ~mask & (IMeshGeom::RenderTransparentMaterial);
2965 // render the mesh
2966 _MeshMRMGeom.render(drv, trans, trans->getNumTrianglesAfterLoadBalancing(), rdrFlags, 1);
2967 }
2968
2969
2970 // ***************************************************************************
2971 void CMeshMRM::serial(NLMISC::IStream &f)
2972 {
2973 /*
2974 Version 0:
2975 - base version.
2976 */
2977 (void)f.serialVersion(0);
2978
2979 // serial Materials infos contained in CMeshBase.
2980 CMeshBase::serialMeshBase(f);
2981
2982
2983 // serial the geometry.
2984 _MeshMRMGeom.serial(f);
2985 }
2986
2987
2988 // ***************************************************************************
2989 float CMeshMRM::getNumTriangles (float distance)
2990 {
2991 return _MeshMRMGeom.getNumTriangles (distance);
2992 }
2993
2994
2995 // ***************************************************************************
2996 const CMeshMRMGeom& CMeshMRM::getMeshGeom () const
2997 {
2998 return _MeshMRMGeom;
2999 }
3000
3001
3002 // ***************************************************************************
3003 void CMeshMRM::computeBonesId (CSkeletonModel *skeleton)
3004 {
3005 _MeshMRMGeom.computeBonesId (skeleton);
3006 }
3007
3008 // ***************************************************************************
3009 void CMeshMRM::updateSkeletonUsage (CSkeletonModel *skeleton, bool increment)
3010 {
3011 _MeshMRMGeom.updateSkeletonUsage(skeleton, increment);
3012 }
3013
3014 // ***************************************************************************
3015 void CMeshMRM::changeMRMDistanceSetup(float distanceFinest, float distanceMiddle, float distanceCoarsest)
3016 {
3017 _MeshMRMGeom.changeMRMDistanceSetup(distanceFinest, distanceMiddle, distanceCoarsest);
3018 }
3019
3020 // ***************************************************************************
3021 IMeshGeom *CMeshMRM::supportMeshBlockRendering (CTransformShape *trans, float &polygonCount ) const
3022 {
3023 // Ok if meshGeom is ok.
3024 if(_MeshMRMGeom.supportMeshBlockRendering())
3025 {
3026 polygonCount= trans->getNumTrianglesAfterLoadBalancing();
3027 return (IMeshGeom*)&_MeshMRMGeom;
3028 }
3029 else
3030 return NULL;
3031 }
3032
3033 // ***************************************************************************
3034 void CMeshMRM::profileSceneRender(CRenderTrav *rdrTrav, CTransformShape *trans, bool passOpaque)
3035 {
3036 // 0 or 0xFFFFFFFF
3037 uint32 mask= (0-(uint32)passOpaque);
3038 uint32 rdrFlags;
3039 // select rdrFlags, without ifs.
3040 rdrFlags= mask & (IMeshGeom::RenderOpaqueMaterial | IMeshGeom::RenderPassOpaque);
3041 rdrFlags|= ~mask & (IMeshGeom::RenderTransparentMaterial);
3042 // profile the mesh
3043 _MeshMRMGeom.profileSceneRender(rdrTrav, trans, trans->getNumTrianglesAfterLoadBalancing(), rdrFlags);
3044 }
3045
3046 // ***************************************************************************
3047 void CMeshMRM::buildSystemGeometry()
3048 {
3049 // clear any
3050 _SystemGeometry.clear();
3051
3052 // don't build a system copy if skinned. In this case, ray intersection is done through CSkeletonModel
3053 // and intersectSkin() scheme
3054 if(_MeshMRMGeom.isSkinned())
3055 return;
3056
3057 // Choose the best Lod available for system geometry
3058 if(_MeshMRMGeom.getNbLodLoaded()==0)
3059 return;
3060 uint lodId= _MeshMRMGeom.getNbLodLoaded()-1;
3061
3062 // retrieve geometry (if VB/IB not resident)
3063 if( !_MeshMRMGeom.buildGeometryForLod(lodId, _SystemGeometry.Vertices, _SystemGeometry.Triangles) )
3064 {
3065 _SystemGeometry.clear();
3066 }
3067
3068 // TestYoyo
3069 /*static uint32 totalMem= 0;
3070 totalMem+= _SystemGeometry.Vertices.size()*sizeof(CVector);
3071 totalMem+= _SystemGeometry.Triangles.size()*sizeof(uint32);
3072 nlinfo("CMeshMRM: TotalMem: %d", totalMem);*/
3073 }
3074
3075
3076 // ***************************************************************************
3077 // ***************************************************************************
3078 // CMeshMRMGeom RawSkin optimisation
3079 // ***************************************************************************
3080 // ***************************************************************************
3081
3082
3083 // ***************************************************************************
3084 void CMeshMRMGeom::dirtMeshDataId()
3085 {
3086 // see updateRawSkinNormal()
3087 _MeshDataId++;
3088 }
3089
3090
3091 // ***************************************************************************
3092 void CMeshMRMGeom::updateRawSkinNormal(bool enabled, CMeshMRMInstance *mi, sint curLodId)
3093 {
3094 if(!enabled)
3095 {
3096 // if the instance cache is not cleared, must clear.
3097 if(mi->_RawSkinCache)
3098 mi->clearRawSkinCache();
3099 }
3100 else
3101 {
3102 // If the instance has no RawSkin, or has a too old RawSkin cache, must delete it, and recreate
3103 if( !mi->_RawSkinCache || mi->_RawSkinCache->MeshDataId!=_MeshDataId)
3104 {
3105 // first delete if too old.
3106 if(mi->_RawSkinCache)
3107 mi->clearRawSkinCache();
3108 // Then recreate, and use _MeshDataId to verify that the instance works with same data.
3109 mi->_RawSkinCache= new CRawSkinNormalCache;
3110 mi->_RawSkinCache->MeshDataId= _MeshDataId;
3111 mi->_RawSkinCache->LodId= -1;
3112 }
3113
3114
3115 /* If the instance rawSkin has a different Lod (or if -1), then must recreate it.
3116 NB: The lod may change each frame per instance, but suppose not so many change, so we can cache those data.
3117 */
3118 if( mi->_RawSkinCache->LodId != curLodId )
3119 {
3120 H_AUTO( NL3D_CMeshMRMGeom_updateRawSkinNormal );
3121
3122 CVertexBufferRead vba;
3123 _VBufferFinal.lock (vba);
3124
3125 CRawSkinNormalCache &skinLod= *mi->_RawSkinCache;
3126 CLod &lod= _Lods[curLodId];
3127 uint i;
3128 sint rawIdx;
3129
3130 // Clear the raw skin mesh.
3131 skinLod.clearArrays();
3132
3133 // Cache this lod
3134 mi->_RawSkinCache->LodId= curLodId;
3135
3136 // For each matrix influence.
3137 nlassert(NL3D_MESH_SKINNING_MAX_MATRIX==4);
3138
3139 // For each vertex, acknowledge if it is a src for geomorph.
3140 static vector<uint8> softVertices;
3141 softVertices.clear();
3142 softVertices.resize( _VBufferFinal.getNumVertices(), 0 );
3143 for(i=0;i<lod.Geomorphs.size();i++)
3144 {
3145 softVertices[lod.Geomorphs[i].Start]= 1;
3146 softVertices[lod.Geomorphs[i].End]= 1;
3147 }
3148
3149 // The remap from old index in _VBufferFinal to RawSkin vertices (without Geomorphs).
3150 static vector<TMeshMRMIndexType> vertexRemap;
3151 vertexRemap.resize( _VBufferFinal.getNumVertices() );
3152 sint softSize[4];
3153 sint hardSize[4];
3154 sint softStart[4];
3155 sint hardStart[4];
3156 // count vertices
3157 skinLod.TotalSoftVertices= 0;
3158 skinLod.TotalHardVertices= 0;
3159 for(i=0;i<4;i++)
3160 {
3161 softSize[i]= 0;
3162 hardSize[i]= 0;
3163 // Count.
3164 for(uint j=0;j<lod.InfluencedVertices[i].size();j++)
3165 {
3166 uint vid= lod.InfluencedVertices[i][j];
3167 if(softVertices[vid])
3168 softSize[i]++;
3169 else
3170 hardSize[i]++;
3171 }
3172 skinLod.TotalSoftVertices+= softSize[i];
3173 skinLod.TotalHardVertices+= hardSize[i];
3174 skinLod.SoftVertices[i]= softSize[i];
3175 skinLod.HardVertices[i]= hardSize[i];
3176 }
3177 // compute offsets
3178 softStart[0]= 0;
3179 hardStart[0]= skinLod.TotalSoftVertices;
3180 for(i=1;i<4;i++)
3181 {
3182 softStart[i]= softStart[i-1]+softSize[i-1];
3183 hardStart[i]= hardStart[i-1]+hardSize[i-1];
3184 }
3185 // compute remap
3186 for(i=0;i<4;i++)
3187 {
3188 uint softIdx= softStart[i];
3189 uint hardIdx= hardStart[i];
3190 for(uint j=0;j<lod.InfluencedVertices[i].size();j++)
3191 {
3192 uint vid= lod.InfluencedVertices[i][j];
3193 if(softVertices[vid])
3194 vertexRemap[vid]= softIdx++;
3195 else
3196 vertexRemap[vid]= hardIdx++;
3197 }
3198 }
3199
3200
3201 // Resize the dest array.
3202 skinLod.Vertices1.resize((uint32)lod.InfluencedVertices[0].size());
3203 skinLod.Vertices2.resize((uint32)lod.InfluencedVertices[1].size());
3204 skinLod.Vertices3.resize((uint32)lod.InfluencedVertices[2].size());
3205 skinLod.Vertices4.resize((uint32)lod.InfluencedVertices[3].size());
3206
3207 // Remap for BlendShape. Lasts 2 bits tells what RawSkin Array to seek (1 to 4),
3208 // low Bits indicate the number in them. 0xFFFFFFFF is a special value indicating "NotUsed in this lod"
3209 static vector<uint32> vertexFinalRemap;
3210 vertexFinalRemap.clear();
3211 vertexFinalRemap.resize(vertexRemap.size(), 0xFFFFFFFF);
3212
3213 // 1 Matrix skinning.
3214 //========
3215 for(i=0;i<skinLod.Vertices1.size();i++)
3216 {
3217 // get the dest vertex.
3218 uint vid= lod.InfluencedVertices[0][i];
3219 // where to store?
3220 rawIdx= vertexRemap[vid];
3221 if(softVertices[vid])
3222 rawIdx-= softStart[0];
3223 else
3224 rawIdx+= softSize[0]-hardStart[0];
3225 // for BlendShapes remapping
3226 vertexFinalRemap[vid]= (0<<30) + rawIdx;
3227 // fill raw struct
3228 skinLod.Vertices1[rawIdx].MatrixId[0]= _SkinWeights[vid].MatrixId[0];
3229 skinLod.Vertices1[rawIdx].Vertex.Pos= _OriginalSkinVertices[vid];
3230 skinLod.Vertices1[rawIdx].Vertex.Normal= _OriginalSkinNormals[vid];
3231 skinLod.Vertices1[rawIdx].Vertex.UV= *vba.getTexCoordPointer(vid);
3232 }
3233
3234 // 2 Matrix skinning.
3235 //========
3236 for(i=0;i<skinLod.Vertices2.size();i++)
3237 {
3238 // get the dest vertex.
3239 uint vid= lod.InfluencedVertices[1][i];
3240 // where to store?
3241 rawIdx= vertexRemap[vid];
3242 if(softVertices[vid])
3243 rawIdx-= softStart[1];
3244 else
3245 rawIdx+= softSize[1]-hardStart[1];
3246 // for BlendShapes remapping
3247 vertexFinalRemap[vid]= (1<<30) + rawIdx;
3248 // fill raw struct
3249 skinLod.Vertices2[rawIdx].MatrixId[0]= _SkinWeights[vid].MatrixId[0];
3250 skinLod.Vertices2[rawIdx].MatrixId[1]= _SkinWeights[vid].MatrixId[1];
3251 skinLod.Vertices2[rawIdx].Weights[0]= _SkinWeights[vid].Weights[0];
3252 skinLod.Vertices2[rawIdx].Weights[1]= _SkinWeights[vid].Weights[1];
3253 skinLod.Vertices2[rawIdx].Vertex.Pos= _OriginalSkinVertices[vid];
3254 skinLod.Vertices2[rawIdx].Vertex.Normal= _OriginalSkinNormals[vid];
3255 skinLod.Vertices2[rawIdx].Vertex.UV= *vba.getTexCoordPointer(vid);
3256 }
3257
3258 // 3 Matrix skinning.
3259 //========
3260 for(i=0;i<skinLod.Vertices3.size();i++)
3261 {
3262 // get the dest vertex.
3263 uint vid= lod.InfluencedVertices[2][i];
3264 // where to store?
3265 rawIdx= vertexRemap[vid];
3266 if(softVertices[vid])
3267 rawIdx-= softStart[2];
3268 else
3269 rawIdx+= softSize[2]-hardStart[2];
3270 // for BlendShapes remapping
3271 vertexFinalRemap[vid]= (2<<30) + rawIdx;
3272 // fill raw struct
3273 skinLod.Vertices3[rawIdx].MatrixId[0]= _SkinWeights[vid].MatrixId[0];
3274 skinLod.Vertices3[rawIdx].MatrixId[1]= _SkinWeights[vid].MatrixId[1];
3275 skinLod.Vertices3[rawIdx].MatrixId[2]= _SkinWeights[vid].MatrixId[2];
3276 skinLod.Vertices3[rawIdx].Weights[0]= _SkinWeights[vid].Weights[0];
3277 skinLod.Vertices3[rawIdx].Weights[1]= _SkinWeights[vid].Weights[1];
3278 skinLod.Vertices3[rawIdx].Weights[2]= _SkinWeights[vid].Weights[2];
3279 skinLod.Vertices3[rawIdx].Vertex.Pos= _OriginalSkinVertices[vid];
3280 skinLod.Vertices3[rawIdx].Vertex.Normal= _OriginalSkinNormals[vid];
3281 skinLod.Vertices3[rawIdx].Vertex.UV= *vba.getTexCoordPointer(vid);
3282 }
3283
3284 // 4 Matrix skinning.
3285 //========
3286 for(i=0;i<skinLod.Vertices4.size();i++)
3287 {
3288 // get the dest vertex.
3289 uint vid= lod.InfluencedVertices[3][i];
3290 // where to store?
3291 rawIdx= vertexRemap[vid];
3292 if(softVertices[vid])
3293 rawIdx-= softStart[3];
3294 else
3295 rawIdx+= softSize[3]-hardStart[3];
3296 // for BlendShapes remapping
3297 vertexFinalRemap[vid]= (3<<30) + rawIdx;
3298 // fill raw struct
3299 skinLod.Vertices4[rawIdx].MatrixId[0]= _SkinWeights[vid].MatrixId[0];
3300 skinLod.Vertices4[rawIdx].MatrixId[1]= _SkinWeights[vid].MatrixId[1];
3301 skinLod.Vertices4[rawIdx].MatrixId[2]= _SkinWeights[vid].MatrixId[2];
3302 skinLod.Vertices4[rawIdx].MatrixId[3]= _SkinWeights[vid].MatrixId[3];
3303 skinLod.Vertices4[rawIdx].Weights[0]= _SkinWeights[vid].Weights[0];
3304 skinLod.Vertices4[rawIdx].Weights[1]= _SkinWeights[vid].Weights[1];
3305 skinLod.Vertices4[rawIdx].Weights[2]= _SkinWeights[vid].Weights[2];
3306 skinLod.Vertices4[rawIdx].Weights[3]= _SkinWeights[vid].Weights[3];
3307 skinLod.Vertices4[rawIdx].Vertex.Pos= _OriginalSkinVertices[vid];
3308 skinLod.Vertices4[rawIdx].Vertex.Normal= _OriginalSkinNormals[vid];
3309 skinLod.Vertices4[rawIdx].Vertex.UV= *vba.getTexCoordPointer(vid);
3310 }
3311
3312 // Remap Geomorphs.
3313 //========
3314 uint numGeoms= (uint)lod.Geomorphs.size();
3315 skinLod.Geomorphs.resize( numGeoms );
3316 for(i=0;i<numGeoms;i++)
3317 {
3318 // NB: don't add "numGeoms" to the index because RawSkin look in a TempArray in RAM, which start at 0...
3319 skinLod.Geomorphs[i].Start= vertexRemap[lod.Geomorphs[i].Start];
3320 skinLod.Geomorphs[i].End= vertexRemap[lod.Geomorphs[i].End];
3321 }
3322
3323 // Remap RdrPass.
3324 //========
3325 skinLod.RdrPass.resize(lod.RdrPass.size());
3326 for(i=0;i<skinLod.RdrPass.size();i++)
3327 {
3328 // NB: since RawSkin is possible only with SkinGrouping, and since SkniGrouping is
3329 // possible only with no Quads/Lines, we should have only Tris here.
3330 // remap tris.
3331 skinLod.RdrPass[i].setFormat(NL_DEFAULT_INDEX_BUFFER_FORMAT);
3332 skinLod.RdrPass[i].setNumIndexes(lod.RdrPass[i].PBlock.getNumIndexes());
3333 CIndexBufferRead ibaRead;
3334 lod.RdrPass[i].PBlock.lock (ibaRead);
3335 CIndexBufferReadWrite ibaWrite;
3336 skinLod.RdrPass[i].lock (ibaWrite);
3337 if (skinLod.RdrPass[i].getFormat() == CIndexBuffer::Indices32)
3338 {
3339 nlassert(ibaRead.getFormat() == CIndexBuffer::Indices32);
3340 const uint32 *srcTriPtr= (const uint32 *) ibaRead.getPtr();
3341 uint32 *dstTriPtr= (uint32 *) ibaWrite.getPtr();
3342 uint32 numIndices= lod.RdrPass[i].PBlock.getNumIndexes();
3343 for(uint j=0;j<numIndices;j++, srcTriPtr++, dstTriPtr++)
3344 {
3345 uint vid= *srcTriPtr;
3346 // If this index refers to a Geomorphed vertex, don't modify!
3347 if(vid<numGeoms)
3348 *dstTriPtr= vid;
3349 else
3350 *dstTriPtr= vertexRemap[vid] + numGeoms;
3351 }
3352 }
3353 else
3354 {
3355 nlassert(ibaRead.getFormat() == CIndexBuffer::Indices16);
3356 const uint16 *srcTriPtr= (const uint16 *) ibaRead.getPtr();
3357 uint16 *dstTriPtr= (uint16 *) ibaWrite.getPtr();
3358 uint32 numIndices= lod.RdrPass[i].PBlock.getNumIndexes();
3359 for(uint j=0;j<numIndices;j++, srcTriPtr++, dstTriPtr++)
3360 {
3361 uint vid= *srcTriPtr;
3362 // If this index refers to a Geomorphed vertex, don't modify!
3363 if(vid<numGeoms)
3364 *dstTriPtr= vid;
3365 else
3366 *dstTriPtr= vertexRemap[vid] + numGeoms;
3367 }
3368 }
3369 }
3370
3371 // Case of MeshMorpher
3372 //========
3373 if(!_MeshMorpher.BlendShapes.empty())
3374 {
3375 skinLod.VertexRemap.resize((uint32)vertexFinalRemap.size());
3376
3377 for(i=0;i<vertexFinalRemap.size();i++)
3378 {
3379 uint vfr= vertexFinalRemap[i];
3380 if(vfr!=0xFFFFFFFF)
3381 {
3382 uint rsArrayId= vfr >> 30;
3383 uint rsIndex= vfr & ((1<<30)-1);
3384 switch(rsArrayId)
3385 {
3386 case 0:
3387 skinLod.VertexRemap[i]= &skinLod.Vertices1[rsIndex].Vertex;
3388 break;
3389 case 1:
3390 skinLod.VertexRemap[i]= &skinLod.Vertices2[rsIndex].Vertex;
3391 break;
3392 case 2:
3393 skinLod.VertexRemap[i]= &skinLod.Vertices3[rsIndex].Vertex;
3394 break;
3395 case 3:
3396 skinLod.VertexRemap[i]= &skinLod.Vertices4[rsIndex].Vertex;
3397 break;
3398 };
3399 }
3400 else
3401 skinLod.VertexRemap[i]= NULL;
3402 }
3403 }
3404 }
3405 }
3406 }
3407
3408
3409 // ***************************************************************************
3410 // ***************************************************************************
3411 // CMeshMRMGeom Shadow Skin Rendering
3412 // ***************************************************************************
3413 // ***************************************************************************
3414
3415
3416 // ***************************************************************************
3417 void CMeshMRMGeom::setShadowMesh(const std::vector<CShadowVertex> &shadowVertices, const std::vector<uint32> &triangles)
3418 {
3419 _ShadowSkin.Vertices= shadowVertices;
3420 _ShadowSkin.Triangles= triangles;
3421 // update flag. Support Shadow SkinGrouping if Shadow setuped, and if not too many vertices.
3422 _SupportShadowSkinGrouping= !_ShadowSkin.Vertices.empty() &&
3423 NL3D_SHADOW_MESH_SKIN_MANAGER_VERTEXFORMAT==CVertexBuffer::PositionFlag &&
3424 _ShadowSkin.Vertices.size() <= NL3D_SHADOW_MESH_SKIN_MANAGER_MAXVERTICES;
3425 }
3426
3427 // ***************************************************************************
3428 uint CMeshMRMGeom::getNumShadowSkinVertices() const
3429 {
3430 return (uint)_ShadowSkin.Vertices.size();
3431 }
3432
3433 // ***************************************************************************
3434 sint CMeshMRMGeom::renderShadowSkinGeom(CMeshMRMInstance *mi, uint remainingVertices, uint8 *vbDest)
3435 {
3436 uint numVerts= (uint)_ShadowSkin.Vertices.size();
3437
3438 // if no verts, no draw
3439 if(numVerts==0)
3440 return 0;
3441
3442 // if no lods, there should be no verts, but still ensure no bug in skinning
3443 if(_Lods.empty())
3444 return 0;
3445
3446 // If the Lod is too big to render in the VBufferHard
3447 if(numVerts>remainingVertices)
3448 // return Failure
3449 return -1;
3450
3451 // get the skeleton model to which I am skinned
3452 CSkeletonModel *skeleton;
3453 skeleton = mi->getSkeletonModel();
3454 // must be skinned for renderSkin()
3455 nlassert(skeleton);
3456
3457
3458 // Profiling
3459 //===========
3460 H_AUTO_USE( NL3D_MeshMRMGeom_RenderShadow );
3461
3462
3463 // Skinning.
3464 //===========
3465
3466 // skinning with normal, but no tangent space
3467 // For all matrix this Mesh use. (the shadow geometry cannot use other Matrix than the mesh use).
3468 // NB: take the best lod since the lower lods cannot use other Matrix than the higher one.
3469 static vector<CMatrix3x4> boneMat3x4;
3470 CLod &lod= _Lods[_Lods.size()-1];
3471 computeBoneMatrixes3x4(boneMat3x4, lod.MatrixInfluences, skeleton);
3472
3473 _ShadowSkin.applySkin((CVector*)vbDest, boneMat3x4);
3474
3475
3476 // How many vertices are added to the VBuffer ???
3477 return numVerts;
3478 }
3479
3480
3481 // ***************************************************************************
3482 void CMeshMRMGeom::renderShadowSkinPrimitives(CMeshMRMInstance *mi, CMaterial &castMat, IDriver *drv, uint baseVertex)
3483 {
3484 nlassert(drv);
3485
3486 if(_ShadowSkin.Triangles.empty())
3487 return;
3488
3489 // Profiling
3490 //===========
3491 H_AUTO_USE( NL3D_MeshMRMGeom_RenderShadow );
3492
3493 // NB: the skeleton matrix has already been setuped by CSkeletonModel
3494 // NB: the normalize flag has already been setuped by CSkeletonModel
3495
3496 // TODO_SHADOW: optim: Special triangle cache for shadow!
3497 static CIndexBuffer shiftedTris;
3498 NL_SET_IB_NAME(shiftedTris, "CMeshMRMGeom::renderShadowSkinPrimitives::shiftedTris");
3499 if(shiftedTris.getNumIndexes()<_ShadowSkin.Triangles.size())
3500 {
3501 shiftedTris.setFormat(NL_MESH_MRM_INDEX_FORMAT);
3502 shiftedTris.setNumIndexes((uint32)_ShadowSkin.Triangles.size());
3503 }
3504 shiftedTris.setPreferredMemory(CIndexBuffer::RAMVolatile, false);
3505 {
3506 CIndexBufferReadWrite iba;
3507 shiftedTris.lock(iba);
3508 const uint32 *src= &_ShadowSkin.Triangles[0];
3509 TMeshMRMIndexType *dst= (TMeshMRMIndexType *) iba.getPtr();
3510 for(uint n= (uint)_ShadowSkin.Triangles.size();n>0;n--, src++, dst++)
3511 {
3512 *dst= (TMeshMRMIndexType)(*src + baseVertex);
3513 }
3514 }
3515
3516 // Render Triangles with cache
3517 //===========
3518
3519 uint numTris= (uint)_ShadowSkin.Triangles.size()/3;
3520
3521 // Render with the Materials of the MeshInstance.
3522 drv->activeIndexBuffer(shiftedTris);
3523 drv->renderTriangles(castMat, 0, numTris);
3524 }
3525
3526
3527 // ***************************************************************************
3528 bool CMeshMRMGeom::getSkinBoneBBox(CSkeletonModel *skeleton, NLMISC::CAABBox &bbox, uint boneId) const
3529 {
3530 bbox.setCenter(CVector::Null);
3531 bbox.setHalfSize(CVector::Null);
3532
3533 if(!skeleton)
3534 return false;
3535
3536 // get the bindpos of the wanted bone
3537 nlassert(boneId<skeleton->Bones.size());
3538 const CMatrix &invBindPos= skeleton->Bones[boneId].getBoneBase().InvBindPos;
3539
3540
3541 // Find the Geomorph space: to process only real vertices, not geomorphed ones.
3542 uint nGeomSpace= 0;
3543 uint lod;
3544 for (lod=0; lod<_Lods.size(); lod++)
3545 {
3546 nGeomSpace= max(nGeomSpace, (uint)_Lods[lod].Geomorphs.size());
3547 }
3548
3549 // Prepare Sphere compute
3550 nlassert(_OriginalSkinVertices.size() == _SkinWeights.size());
3551 bool bbEmpty= true;
3552
3553 // Remap the vertex, and compute the wanted bone bbox
3554 // for true vertices
3555 for (uint vert=nGeomSpace; vert<_SkinWeights.size(); vert++)
3556 {
3557 // get the vertex position.
3558 CVector vertex= _OriginalSkinVertices[vert];
3559
3560 // For each weight
3561 uint weight;
3562 for (weight=0; weight<NL3D_MESH_SKINNING_MAX_MATRIX; weight++)
3563 {
3564 // Active ?
3565 if ((_SkinWeights[vert].Weights[weight]>0)||(weight==0))
3566 {
3567 // Check id is the wanted one
3568 if(_SkinWeights[vert].MatrixId[weight]==boneId)
3569 {
3570 // transform the vertex pos in BoneSpace
3571 CVector p= invBindPos * vertex;
3572 // extend the bone bbox.
3573 if(bbEmpty)
3574 {
3575 bbox.setCenter(p);
3576 bbEmpty= false;
3577 }
3578 else
3579 {
3580 bbox.extend(p);
3581 }
3582 }
3583 }
3584 else
3585 break;
3586 }
3587 }
3588
3589 // return true if some influence found
3590 return !bbEmpty;
3591 }
3592
3593
3594 // ***************************************************************************
3595 bool CMeshMRMGeom::intersectSkin(CMeshMRMInstance *mi, const CMatrix &toRaySpace, float &dist2D, float &distZ, bool computeDist2D)
3596 {
3597 // for MeshMRM, Use the Shadow Skinning (simple and light version).
3598
3599 // no inst/verts/lod => no intersection
3600 if(!mi || _ShadowSkin.Vertices.empty() || _Lods.empty())
3601 return false;
3602 CSkeletonModel *skeleton= mi->getSkeletonModel();
3603 if(!skeleton)
3604 return false;
3605
3606 // Compute skinning with all matrix this Mesh use. (the shadow geometry cannot use other Matrix than the mesh use).
3607 // NB: take the best lod (_Lods.back()) since the lower lods cannot use other Matrix than the higher one.
3608 return _ShadowSkin.getRayIntersection(toRaySpace, *skeleton, _Lods.back().MatrixInfluences, dist2D, distZ, computeDist2D);
3609 }
3610
3611
3612 } // NL3D
3613