forked from assimp/assimp
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathMaterial.cpp
1493 lines (1319 loc) · 50.2 KB
/
Material.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*
---------------------------------------------------------------------------
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
Copyright (c) 2006-2021, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the following
conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
---------------------------------------------------------------------------
*/
#include "assimp_view.h"
#include "MaterialManager.h"
#include "AssetHelper.h"
#include <assimp/cimport.h>
#include <assimp/Importer.hpp>
#include <assimp/ai_assert.h>
#include <assimp/cfileio.h>
#include <assimp/postprocess.h>
#include <assimp/scene.h>
#include <assimp/IOSystem.hpp>
#include <assimp/IOStream.hpp>
#include <assimp/LogStream.hpp>
#include <assimp/DefaultLogger.hpp>
#include <assimp/StringComparison.h>
#include <vector>
#include <algorithm>
namespace AssimpView {
using namespace Assimp;
extern std::string g_szMaterialShader;
extern HINSTANCE g_hInstance /*= NULL*/;
extern HWND g_hDlg /*= NULL*/;
extern IDirect3D9* g_piD3D /*= NULL*/;
extern IDirect3DDevice9* g_piDevice /*= NULL*/;
extern IDirect3DVertexDeclaration9* gDefaultVertexDecl /*= NULL*/;
extern double g_fFPS /*= 0.0f*/;
extern char g_szFileName[ MAX_PATH ];
extern ID3DXEffect* g_piDefaultEffect /*= NULL*/;
extern ID3DXEffect* g_piNormalsEffect /*= NULL*/;
extern ID3DXEffect* g_piPassThroughEffect /*= NULL*/;
extern ID3DXEffect* g_piPatternEffect /*= NULL*/;
extern bool g_bMousePressed /*= false*/;
extern bool g_bMousePressedR /*= false*/;
extern bool g_bMousePressedM /*= false*/;
extern bool g_bMousePressedBoth /*= false*/;
extern float g_fElpasedTime /*= 0.0f*/;
extern D3DCAPS9 g_sCaps;
extern bool g_bLoadingFinished /*= false*/;
extern HANDLE g_hThreadHandle /*= NULL*/;
extern float g_fWheelPos /*= -10.0f*/;
extern bool g_bLoadingCanceled /*= false*/;
extern IDirect3DTexture9* g_pcTexture /*= NULL*/;
extern aiMatrix4x4 g_mWorld;
extern aiMatrix4x4 g_mWorldRotate;
extern aiVector3D g_vRotateSpeed /*= aiVector3D(0.5f,0.5f,0.5f)*/;
extern aiVector3D g_avLightDirs[ 1 ] /* =
{ aiVector3D(-0.5f,0.6f,0.2f) ,
aiVector3D(-0.5f,0.5f,0.5f)} */;
extern POINT g_mousePos /*= {0,0};*/;
extern POINT g_LastmousePos /*= {0,0}*/;
extern bool g_bFPSView /*= false*/;
extern bool g_bInvert /*= false*/;
extern EClickPos g_eClick;
extern unsigned int g_iCurrentColor /*= 0*/;
// NOTE: The light intensity is separated from the color, it can
// directly be manipulated using the middle mouse button.
// When the user chooses a color from the palette the intensity
// is reset to 1.0
// index[2] is the ambient color
extern float g_fLightIntensity /*=0.0f*/;
extern D3DCOLOR g_avLightColors[ 3 ];
extern RenderOptions g_sOptions;
extern Camera g_sCamera;
extern AssetHelper *g_pcAsset /*= NULL*/;
//
// Contains the mask image for the HUD
// (used to determine the position of a click)
//
// The size of the image is identical to the size of the main
// HUD texture
//
extern unsigned char* g_szImageMask /*= NULL*/;
extern float g_fACMR /*= 3.0f*/;
extern IDirect3DQuery9* g_piQuery;
extern bool g_bPlay /*= false*/;
extern double g_dCurrent;
extern float g_smoothAngle /*= 80.f*/;
extern unsigned int ppsteps, ppstepsdefault;
extern bool nopointslines;
CMaterialManager CMaterialManager::s_cInstance;
//-------------------------------------------------------------------------------
// D3DX callback function to fill a texture with a checkers pattern
//
// This pattern is used to mark textures which could not be loaded
//-------------------------------------------------------------------------------
VOID WINAPI FillFunc(D3DXVECTOR4* pOut,
CONST D3DXVECTOR2* pTexCoord,
CONST D3DXVECTOR2* pTexelSize,
LPVOID pData)
{
UNREFERENCED_PARAMETER(pData);
UNREFERENCED_PARAMETER(pTexelSize);
// generate a nice checker pattern (yellow/black)
// size of a square: 32 * 32 px
unsigned int iX = (unsigned int)(pTexCoord->x * 256.0f);
unsigned int iY = (unsigned int)(pTexCoord->y * 256.0f);
bool bBlack = false;
if ((iX / 32) % 2 == 0)
{
if ((iY / 32) % 2 == 0)bBlack = true;
}
else
{
if ((iY / 32) % 2 != 0)bBlack = true;
}
pOut->w = 1.0f;
if (bBlack)
{
pOut->x = pOut->y = pOut->z = 0.0f;
}
else
{
pOut->x = pOut->y = 1.0f;
pOut->z = 0.0f;
}
return;
}
//-------------------------------------------------------------------------------
int CMaterialManager::UpdateSpecularMaterials()
{
if (g_pcAsset && g_pcAsset->pcScene)
{
for (unsigned int i = 0; i < g_pcAsset->pcScene->mNumMeshes;++i)
{
if (aiShadingMode_Phong == g_pcAsset->apcMeshes[i]->eShadingMode)
{
this->DeleteMaterial(g_pcAsset->apcMeshes[i]);
this->CreateMaterial(g_pcAsset->apcMeshes[i],g_pcAsset->pcScene->mMeshes[i]);
}
}
}
return 1;
}
//-------------------------------------------------------------------------------
int CMaterialManager::SetDefaultTexture(IDirect3DTexture9** p_ppiOut)
{
if (sDefaultTexture) {
sDefaultTexture->AddRef();
*p_ppiOut = sDefaultTexture;
return 1;
}
if(FAILED(g_piDevice->CreateTexture(
256,
256,
0,
0,
D3DFMT_A8R8G8B8,
D3DPOOL_MANAGED,
p_ppiOut,
nullptr)))
{
CLogDisplay::Instance().AddEntry("[ERROR] Unable to create default texture",
D3DCOLOR_ARGB(0xFF,0xFF,0,0));
*p_ppiOut = nullptr;
return 0;
}
D3DXFillTexture(*p_ppiOut,&FillFunc,nullptr);
sDefaultTexture = *p_ppiOut;
sDefaultTexture->AddRef();
// {9785DA94-1D96-426b-B3CB-BADC36347F5E}
static const GUID guidPrivateData =
{ 0x9785da94, 0x1d96, 0x426b,
{ 0xb3, 0xcb, 0xba, 0xdc, 0x36, 0x34, 0x7f, 0x5e } };
uint32_t iData = 0xFFFFFFFF;
(*p_ppiOut)->SetPrivateData(guidPrivateData,&iData,4,0);
return 1;
}
//-------------------------------------------------------------------------------
bool CMaterialManager::TryLongerPath(char* szTemp,aiString* p_szString)
{
char szTempB[MAX_PATH];
strcpy(szTempB,szTemp);
// go to the beginning of the file name
char* szFile = strrchr(szTempB,'\\');
if (!szFile)szFile = strrchr(szTempB,'/');
char* szFile2 = szTemp + (szFile - szTempB)+1;
szFile++;
char* szExt = strrchr(szFile,'.');
if (!szExt)return false;
szExt++;
*szFile = 0;
strcat(szTempB,"*.*");
const unsigned int iSize = (const unsigned int) ( szExt - 1 - szFile );
HANDLE h;
WIN32_FIND_DATA info;
// build a list of files
h = FindFirstFile(szTempB, &info);
if (h != INVALID_HANDLE_VALUE)
{
do
{
if (!(strcmp(info.cFileName, ".") == 0 || strcmp(info.cFileName, "..") == 0))
{
char* szExtFound = strrchr(info.cFileName, '.');
if (szExtFound)
{
++szExtFound;
if (0 == ASSIMP_stricmp(szExtFound,szExt))
{
const unsigned int iSizeFound = (const unsigned int) (
szExtFound - 1 - info.cFileName);
for (unsigned int i = 0; i < iSizeFound;++i)
info.cFileName[i] = (CHAR)tolower(info.cFileName[i]);
if (0 == memcmp(info.cFileName,szFile2, std::min(iSizeFound,iSize)))
{
// we have it. Build the full path ...
char* sz = strrchr(szTempB,'*');
*(sz-2) = 0x0;
strcat(szTempB,info.cFileName);
// copy the result string back to the aiString
const size_t iLen = strlen(szTempB);
size_t iLen2 = iLen+1;
iLen2 = iLen2 > MAXLEN ? MAXLEN : iLen2;
memcpy(p_szString->data,szTempB,iLen2);
p_szString->length = static_cast<ai_uint32>(iLen);
return true;
}
}
// check whether the 8.3 DOS name is matching
if (0 == ASSIMP_stricmp(info.cAlternateFileName,p_szString->data))
{
strcat(szTempB,info.cAlternateFileName);
// copy the result string back to the aiString
const size_t iLen = strlen(szTempB);
size_t iLen2 = iLen+1;
iLen2 = iLen2 > MAXLEN ? MAXLEN : iLen2;
memcpy(p_szString->data,szTempB,iLen2);
p_szString->length = static_cast<ai_uint32>(iLen);
return true;
}
}
}
}
while (FindNextFile(h, &info));
FindClose(h);
}
return false;
}
//-------------------------------------------------------------------------------
int CMaterialManager::FindValidPath(aiString* p_szString)
{
ai_assert(nullptr != p_szString);
aiString pcpy = *p_szString;
if ('*' == p_szString->data[0]) {
// '*' as first character indicates an embedded file
return 5;
}
// first check whether we can directly load the file
FILE* pFile = fopen(p_szString->data,"rb");
if (pFile)fclose(pFile);
else
{
// check whether we can use the directory of the asset as relative base
char szTemp[MAX_PATH*2], tmp2[MAX_PATH*2];
strcpy(szTemp, g_szFileName);
strcpy(tmp2,szTemp);
char* szData = p_szString->data;
if (*szData == '\\' || *szData == '/')++szData;
char* szEnd = strrchr(szTemp,'\\');
if (!szEnd)
{
szEnd = strrchr(szTemp,'/');
if (!szEnd)szEnd = szTemp;
}
szEnd++;
*szEnd = 0;
strcat(szEnd,szData);
pFile = fopen(szTemp,"rb");
if (!pFile)
{
// convert the string to lower case
for (unsigned int i = 0;;++i)
{
if ('\0' == szTemp[i])break;
szTemp[i] = (char)tolower(szTemp[i]);
}
if(TryLongerPath(szTemp,p_szString))return 1;
*szEnd = 0;
// search common sub directories
strcat(szEnd,"tex\\");
strcat(szEnd,szData);
pFile = fopen(szTemp,"rb");
if (!pFile)
{
if(TryLongerPath(szTemp,p_szString))return 1;
*szEnd = 0;
strcat(szEnd,"textures\\");
strcat(szEnd,szData);
pFile = fopen(szTemp,"rb");
if (!pFile)
{
if(TryLongerPath(szTemp, p_szString))return 1;
}
// patch by mark sibly to look for textures files in the asset's base directory.
const char *path=pcpy.data;
const char *p=strrchr( path,'/' );
if( !p ) p=strrchr( path,'\\' );
if( p ){
char *q=strrchr( tmp2,'/' );
if( !q ) q=strrchr( tmp2,'\\' );
if( q ){
strcpy( q+1,p+1 );
if((pFile=fopen( tmp2,"r" )) != nullptr){
fclose( pFile );
strcpy(p_szString->data,tmp2);
p_szString->length = static_cast<ai_uint32>(strlen(tmp2));
return 1;
}
}
}
return 0;
}
}
fclose(pFile);
// copy the result string back to the aiStr
const size_t len = strlen(szTemp);
size_t len2 = len+1;
len2 = len2 > MAXLEN ? MAXLEN : len2;
memcpy(p_szString->data, szTemp, len2);
p_szString->length = static_cast<ai_uint32>(len);
}
return 1;
}
//-------------------------------------------------------------------------------
int CMaterialManager::LoadTexture(IDirect3DTexture9** p_ppiOut,aiString* szPath)
{
ai_assert(nullptr != p_ppiOut);
ai_assert(nullptr != szPath);
*p_ppiOut = nullptr;
const std::string s = szPath->data;
TextureCache::iterator ff;
if ((ff = sCachedTextures.find(s)) != sCachedTextures.end()) {
*p_ppiOut = (*ff).second;
(*p_ppiOut)->AddRef();
return 1;
}
// first get a valid path to the texture
if( 5 == FindValidPath(szPath))
{
// embedded file. Find its index
unsigned int iIndex = atoi(szPath->data+1);
if (iIndex < g_pcAsset->pcScene->mNumTextures)
{
if (0 == g_pcAsset->pcScene->mTextures[iIndex]->mHeight)
{
// it is an embedded file ... don't need the file format hint,
// simply let D3DX load the file
D3DXIMAGE_INFO info;
if (FAILED(D3DXCreateTextureFromFileInMemoryEx(g_piDevice,
g_pcAsset->pcScene->mTextures[iIndex]->pcData,
g_pcAsset->pcScene->mTextures[iIndex]->mWidth,
D3DX_DEFAULT,
D3DX_DEFAULT,
1,
D3DUSAGE_AUTOGENMIPMAP,
D3DFMT_UNKNOWN,
D3DPOOL_MANAGED,
D3DX_DEFAULT,
D3DX_DEFAULT,
0,
&info,
nullptr,
p_ppiOut)))
{
std::string sz = "[ERROR] Unable to load embedded texture (#1): ";
sz.append(szPath->data);
CLogDisplay::Instance().AddEntry(sz,D3DCOLOR_ARGB(0xFF,0xFF,0x0,0x0));
this->SetDefaultTexture(p_ppiOut);
return 1;
}
}
else
{
// fill a new texture ...
if(FAILED(g_piDevice->CreateTexture(
g_pcAsset->pcScene->mTextures[iIndex]->mWidth,
g_pcAsset->pcScene->mTextures[iIndex]->mHeight,
0,D3DUSAGE_AUTOGENMIPMAP,D3DFMT_A8R8G8B8,D3DPOOL_MANAGED,p_ppiOut,nullptr)))
{
std::string sz = "[ERROR] Unable to load embedded texture (#2): ";
sz.append(szPath->data);
CLogDisplay::Instance().AddEntry(sz,D3DCOLOR_ARGB(0xFF,0xFF,0x0,0x0));
this->SetDefaultTexture(p_ppiOut);
return 1;
}
// now copy the data to it ... (assume non pow2 to be supported)
D3DLOCKED_RECT sLock;
(*p_ppiOut)->LockRect(0,&sLock,nullptr,0);
const aiTexel* pcData = g_pcAsset->pcScene->mTextures[iIndex]->pcData;
for (unsigned int y = 0; y < g_pcAsset->pcScene->mTextures[iIndex]->mHeight;++y)
{
memcpy(sLock.pBits,pcData,g_pcAsset->pcScene->mTextures[iIndex]->
mWidth *sizeof(aiTexel));
sLock.pBits = (char*)sLock.pBits + sLock.Pitch;
pcData += g_pcAsset->pcScene->mTextures[iIndex]->mWidth;
}
(*p_ppiOut)->UnlockRect(0);
(*p_ppiOut)->GenerateMipSubLevels();
}
sCachedTextures[s] = *p_ppiOut;
(*p_ppiOut)->AddRef();
return 1;
}
else
{
std::string sz = "[ERROR] Invalid index for embedded texture: ";
sz.append(szPath->data);
CLogDisplay::Instance().AddEntry(sz,D3DCOLOR_ARGB(0xFF,0xFF,0x0,0x0));
SetDefaultTexture(p_ppiOut);
return 1;
}
}
// then call D3DX to load the texture
if (FAILED(D3DXCreateTextureFromFileEx(
g_piDevice,
szPath->data,
D3DX_DEFAULT,
D3DX_DEFAULT,
0,
0,
D3DFMT_A8R8G8B8,
D3DPOOL_MANAGED,
D3DX_DEFAULT,
D3DX_DEFAULT,
0,
nullptr,
nullptr,
p_ppiOut)))
{
// error ... use the default texture instead
std::string sz = "[ERROR] Unable to load texture: ";
sz.append(szPath->data);
CLogDisplay::Instance().AddEntry(sz,D3DCOLOR_ARGB(0xFF,0xFF,0x0,0x0));
this->SetDefaultTexture(p_ppiOut);
}
sCachedTextures[s] = *p_ppiOut;
(*p_ppiOut)->AddRef();
return 1;
}
//-------------------------------------------------------------------------------
void CMaterialManager::DeleteMaterial(AssetHelper::MeshHelper* pcIn)
{
if (!pcIn || !pcIn->piEffect)return;
pcIn->piEffect->Release();
// release all textures associated with the material
if (pcIn->piDiffuseTexture)
{
pcIn->piDiffuseTexture->Release();
pcIn->piDiffuseTexture = nullptr;
}
if (pcIn->piSpecularTexture)
{
pcIn->piSpecularTexture->Release();
pcIn->piSpecularTexture = nullptr;
}
if (pcIn->piEmissiveTexture)
{
pcIn->piEmissiveTexture->Release();
pcIn->piEmissiveTexture = nullptr;
}
if (pcIn->piAmbientTexture)
{
pcIn->piAmbientTexture->Release();
pcIn->piAmbientTexture = nullptr;
}
if (pcIn->piOpacityTexture)
{
pcIn->piOpacityTexture->Release();
pcIn->piOpacityTexture = nullptr;
}
if (pcIn->piNormalTexture)
{
pcIn->piNormalTexture->Release();
pcIn->piNormalTexture = nullptr;
}
if (pcIn->piShininessTexture)
{
pcIn->piShininessTexture->Release();
pcIn->piShininessTexture = nullptr;
}
if (pcIn->piLightmapTexture)
{
pcIn->piLightmapTexture->Release();
pcIn->piLightmapTexture = nullptr;
}
pcIn->piEffect = nullptr;
}
//-------------------------------------------------------------------------------
void CMaterialManager::HMtoNMIfNecessary(
IDirect3DTexture9* piTexture,
IDirect3DTexture9** piTextureOut,
bool bWasOriginallyHM)
{
ai_assert(nullptr != piTexture);
ai_assert(nullptr != piTextureOut);
bool bMustConvert = false;
uintptr_t iElement = 3;
*piTextureOut = piTexture;
// Lock the input texture and try to determine its type.
// Criteria:
// - If r,g,b channel are identical it MUST be a height map
// - If one of the rgb channels is used and the others are empty it
// must be a height map, too.
// - If the average color of the whole image is something inside the
// purple range we can be sure it is a normal map
//
// - Otherwise we assume it is a normal map
// To increase performance we take not every pixel
D3DLOCKED_RECT sRect;
D3DSURFACE_DESC sDesc;
piTexture->GetLevelDesc(0,&sDesc);
if (FAILED(piTexture->LockRect(0,&sRect,nullptr,D3DLOCK_READONLY)))
{
return;
}
const int iPitchDiff = (int)sRect.Pitch - (int)(sDesc.Width * 4);
struct SColor
{
union
{
struct {unsigned char b,g,r,a;} data;
char _array[4];
};
};
const SColor* pcData = (const SColor*)sRect.pBits;
union
{
const SColor* pcPointer;
const unsigned char* pcCharPointer;
};
pcPointer = pcData;
// 1. If r,g,b channel are identical it MUST be a height map
bool bIsEqual = true;
for (unsigned int y = 0; y < sDesc.Height;++y)
{
for (unsigned int x = 0; x < sDesc.Width;++x)
{
if (pcPointer->data.b != pcPointer->data.r || pcPointer->data.b != pcPointer->data.g)
{
bIsEqual = false;
break;
}
pcPointer++;
}
pcCharPointer += iPitchDiff;
}
if (bIsEqual)bMustConvert = true;
else
{
// 2. If one of the rgb channels is used and the others are empty it
// must be a height map, too.
pcPointer = pcData;
while (*pcCharPointer == 0)pcCharPointer++;
iElement = (uintptr_t)(pcCharPointer - (unsigned char*)pcData) % 4;
unsigned int aiIndex[3] = {0,1,2};
if (3 != iElement)aiIndex[iElement] = 3;
pcPointer = pcData;
bIsEqual = true;
if (3 != iElement)
{
for (unsigned int y = 0; y < sDesc.Height;++y)
{
for (unsigned int x = 0; x < sDesc.Width;++x)
{
for (unsigned int ii = 0; ii < 3;++ii)
{
// don't take the alpha channel into account.
// if the texture was stored n RGB888 format D3DX has
// converted it to ARGB8888 format with a fixed alpha channel
if (aiIndex[ii] != 3 && pcPointer->_array[aiIndex[ii]] != 0)
{
bIsEqual = false;
break;
}
}
pcPointer++;
}
pcCharPointer += iPitchDiff;
}
if (bIsEqual)bMustConvert = true;
else
{
// If the average color of the whole image is something inside the
// purple range we can be sure it is a normal map
// (calculate the average color line per line to prevent overflows!)
pcPointer = pcData;
aiColor3D clrColor;
for (unsigned int y = 0; y < sDesc.Height;++y)
{
aiColor3D clrColorLine;
for (unsigned int x = 0; x < sDesc.Width;++x)
{
clrColorLine.r += pcPointer->data.r;
clrColorLine.g += pcPointer->data.g;
clrColorLine.b += pcPointer->data.b;
pcPointer++;
}
clrColor.r += clrColorLine.r /= (float)sDesc.Width;
clrColor.g += clrColorLine.g /= (float)sDesc.Width;
clrColor.b += clrColorLine.b /= (float)sDesc.Width;
pcCharPointer += iPitchDiff;
}
clrColor.r /= (float)sDesc.Height;
clrColor.g /= (float)sDesc.Height;
clrColor.b /= (float)sDesc.Height;
if (!(clrColor.b > 215 &&
clrColor.r > 100 && clrColor.r < 140 &&
clrColor.g > 100 && clrColor.g < 140))
{
// Unable to detect. Believe the original value obtained from the loader
if (bWasOriginallyHM)
{
bMustConvert = true;
}
}
}
}
}
piTexture->UnlockRect(0);
// if the input data is assumed to be a height map we'll
// need to convert it NOW
if (bMustConvert)
{
D3DSURFACE_DESC sDesc2;
piTexture->GetLevelDesc(0, &sDesc2);
IDirect3DTexture9* piTempTexture;
if(FAILED(g_piDevice->CreateTexture(
sDesc2.Width,
sDesc2.Height,
piTexture->GetLevelCount(),
sDesc2.Usage,
sDesc2.Format,
sDesc2.Pool, &piTempTexture, nullptr)))
{
CLogDisplay::Instance().AddEntry(
"[ERROR] Unable to create normal map texture",
D3DCOLOR_ARGB(0xFF,0xFF,0x0,0x0));
return;
}
DWORD dwFlags;
if (3 == iElement)dwFlags = D3DX_CHANNEL_LUMINANCE;
else if (2 == iElement)dwFlags = D3DX_CHANNEL_RED;
else if (1 == iElement)dwFlags = D3DX_CHANNEL_GREEN;
else /*if (0 == iElement)*/dwFlags = D3DX_CHANNEL_BLUE;
if(FAILED(D3DXComputeNormalMap(piTempTexture,
piTexture,nullptr,0,dwFlags,1.0f)))
{
CLogDisplay::Instance().AddEntry(
"[ERROR] Unable to compute normal map from height map",
D3DCOLOR_ARGB(0xFF,0xFF,0x0,0x0));
piTempTexture->Release();
return;
}
*piTextureOut = piTempTexture;
piTexture->Release();
}
}
//-------------------------------------------------------------------------------
bool CMaterialManager::HasAlphaPixels(IDirect3DTexture9* piTexture)
{
ai_assert(nullptr != piTexture);
D3DLOCKED_RECT sRect;
D3DSURFACE_DESC sDesc;
piTexture->GetLevelDesc(0,&sDesc);
if (FAILED(piTexture->LockRect(0,&sRect,nullptr,D3DLOCK_READONLY)))
{
return false;
}
const int iPitchDiff = (int)sRect.Pitch - (int)(sDesc.Width * 4);
struct SColor
{
unsigned char b,g,r,a;;
};
const SColor* pcData = (const SColor*)sRect.pBits;
union
{
const SColor* pcPointer;
const unsigned char* pcCharPointer;
};
pcPointer = pcData;
for (unsigned int y = 0; y < sDesc.Height;++y)
{
for (unsigned int x = 0; x < sDesc.Width;++x)
{
if (pcPointer->a != 0xFF)
{
piTexture->UnlockRect(0);
return true;
}
pcPointer++;
}
pcCharPointer += iPitchDiff;
}
piTexture->UnlockRect(0);
return false;
}
//-------------------------------------------------------------------------------
int CMaterialManager::CreateMaterial(
AssetHelper::MeshHelper* pcMesh,const aiMesh* pcSource)
{
ai_assert(nullptr != pcMesh);
ai_assert(nullptr != pcSource);
ID3DXBuffer* piBuffer;
D3DXMACRO sMacro[64];
// extract all properties from the ASSIMP material structure
const aiMaterial* pcMat = g_pcAsset->pcScene->mMaterials[pcSource->mMaterialIndex];
//
// DIFFUSE COLOR --------------------------------------------------
//
if(AI_SUCCESS != aiGetMaterialColor(pcMat,AI_MATKEY_COLOR_DIFFUSE,
(aiColor4D*)&pcMesh->vDiffuseColor))
{
pcMesh->vDiffuseColor.x = 1.0f;
pcMesh->vDiffuseColor.y = 1.0f;
pcMesh->vDiffuseColor.z = 1.0f;
pcMesh->vDiffuseColor.w = 1.0f;
}
//
// SPECULAR COLOR --------------------------------------------------
//
if(AI_SUCCESS != aiGetMaterialColor(pcMat,AI_MATKEY_COLOR_SPECULAR,
(aiColor4D*)&pcMesh->vSpecularColor))
{
pcMesh->vSpecularColor.x = 1.0f;
pcMesh->vSpecularColor.y = 1.0f;
pcMesh->vSpecularColor.z = 1.0f;
pcMesh->vSpecularColor.w = 1.0f;
}
//
// AMBIENT COLOR --------------------------------------------------
//
if(AI_SUCCESS != aiGetMaterialColor(pcMat,AI_MATKEY_COLOR_AMBIENT,
(aiColor4D*)&pcMesh->vAmbientColor))
{
pcMesh->vAmbientColor.x = 0.0f;
pcMesh->vAmbientColor.y = 0.0f;
pcMesh->vAmbientColor.z = 0.0f;
pcMesh->vAmbientColor.w = 1.0f;
}
//
// EMISSIVE COLOR -------------------------------------------------
//
if(AI_SUCCESS != aiGetMaterialColor(pcMat,AI_MATKEY_COLOR_EMISSIVE,
(aiColor4D*)&pcMesh->vEmissiveColor))
{
pcMesh->vEmissiveColor.x = 0.0f;
pcMesh->vEmissiveColor.y = 0.0f;
pcMesh->vEmissiveColor.z = 0.0f;
pcMesh->vEmissiveColor.w = 1.0f;
}
//
// Opacity --------------------------------------------------------
//
if(AI_SUCCESS != aiGetMaterialFloat(pcMat,AI_MATKEY_OPACITY,&pcMesh->fOpacity))
{
pcMesh->fOpacity = 1.0f;
}
//
// Shading Model --------------------------------------------------
//
bool bDefault = false;
if(AI_SUCCESS != aiGetMaterialInteger(pcMat,AI_MATKEY_SHADING_MODEL,(int*)&pcMesh->eShadingMode ))
{
bDefault = true;
pcMesh->eShadingMode = aiShadingMode_Gouraud;
}
//
// Shininess ------------------------------------------------------
//
if(AI_SUCCESS != aiGetMaterialFloat(pcMat,AI_MATKEY_SHININESS,&pcMesh->fShininess))
{
// assume 15 as default shininess
pcMesh->fShininess = 15.0f;
}
else if (bDefault)pcMesh->eShadingMode = aiShadingMode_Phong;
//
// Shininess strength ------------------------------------------------------
//
if(AI_SUCCESS != aiGetMaterialFloat(pcMat,AI_MATKEY_SHININESS_STRENGTH,&pcMesh->fSpecularStrength))
{
// assume 1.0 as default shininess strength
pcMesh->fSpecularStrength = 1.0f;
}
aiString szPath;
aiTextureMapMode mapU(aiTextureMapMode_Wrap),mapV(aiTextureMapMode_Wrap);
bool bib =false;
if (pcSource->mTextureCoords[0])
{
//
// DIFFUSE TEXTURE ------------------------------------------------
//
if(AI_SUCCESS == aiGetMaterialString(pcMat,AI_MATKEY_TEXTURE_DIFFUSE(0),&szPath))
{
LoadTexture(&pcMesh->piDiffuseTexture,&szPath);
aiGetMaterialInteger(pcMat,AI_MATKEY_MAPPINGMODE_U_DIFFUSE(0),(int*)&mapU);
aiGetMaterialInteger(pcMat,AI_MATKEY_MAPPINGMODE_V_DIFFUSE(0),(int*)&mapV);
}
//
// SPECULAR TEXTURE ------------------------------------------------
//
if(AI_SUCCESS == aiGetMaterialString(pcMat,AI_MATKEY_TEXTURE_SPECULAR(0),&szPath))
{
LoadTexture(&pcMesh->piSpecularTexture,&szPath);
}
//
// OPACITY TEXTURE ------------------------------------------------
//
if(AI_SUCCESS == aiGetMaterialString(pcMat,AI_MATKEY_TEXTURE_OPACITY(0),&szPath))
{
LoadTexture(&pcMesh->piOpacityTexture,&szPath);
}
else
{
int flags = 0;
aiGetMaterialInteger(pcMat,AI_MATKEY_TEXFLAGS_DIFFUSE(0),&flags);
// try to find out whether the diffuse texture has any
// non-opaque pixels. If we find a few, use it as opacity texture
if (pcMesh->piDiffuseTexture && !(flags & aiTextureFlags_IgnoreAlpha) && HasAlphaPixels(pcMesh->piDiffuseTexture))
{
int iVal;
// NOTE: This special value is set by the tree view if the user
// manually removes the alpha texture from the view ...
if (AI_SUCCESS != aiGetMaterialInteger(pcMat,"no_a_from_d",0,0,&iVal))
{
pcMesh->piOpacityTexture = pcMesh->piDiffuseTexture;
pcMesh->piOpacityTexture->AddRef();
}
}
}
//
// AMBIENT TEXTURE ------------------------------------------------
//
if(AI_SUCCESS == aiGetMaterialString(pcMat,AI_MATKEY_TEXTURE_AMBIENT(0),&szPath))
{
LoadTexture(&pcMesh->piAmbientTexture,&szPath);
}
//
// EMISSIVE TEXTURE ------------------------------------------------
//
if(AI_SUCCESS == aiGetMaterialString(pcMat,AI_MATKEY_TEXTURE_EMISSIVE(0),&szPath))
{
LoadTexture(&pcMesh->piEmissiveTexture,&szPath);
}
//
// Shininess TEXTURE ------------------------------------------------
//
if(AI_SUCCESS == aiGetMaterialString(pcMat,AI_MATKEY_TEXTURE_SHININESS(0),&szPath))
{
LoadTexture(&pcMesh->piShininessTexture,&szPath);
}
//
// Lightmap TEXTURE ------------------------------------------------
//