1 .386P 2 .model FLAT 3 externdef _d_zistepu:dword 4 externdef _d_pzbuffer:dword 5 externdef _d_zistepv:dword 6 externdef _d_zrowbytes:dword 7 externdef _d_ziorigin:dword 8 externdef _r_turb_s:dword 9 externdef _r_turb_t:dword 10 externdef _r_turb_pdest:dword 11 externdef _r_turb_spancount:dword 12 externdef _r_turb_turb:dword 13 externdef _r_turb_pbase:dword 14 externdef _r_turb_sstep:dword 15 externdef _r_turb_tstep:dword 16 externdef _r_bmodelactive:dword 17 externdef _d_sdivzstepu:dword 18 externdef _d_tdivzstepu:dword 19 externdef _d_sdivzstepv:dword 20 externdef _d_tdivzstepv:dword 21 externdef _d_sdivzorigin:dword 22 externdef _d_tdivzorigin:dword 23 externdef _sadjust:dword 24 externdef _tadjust:dword 25 externdef _bbextents:dword 26 externdef _bbextentt:dword 27 externdef _cacheblock:dword 28 externdef _d_viewbuffer:dword 29 externdef _cachewidth:dword 30 externdef _d_pzbuffer:dword 31 externdef _d_zrowbytes:dword 32 externdef _d_zwidth:dword 33 externdef _d_scantable:dword 34 externdef _r_lightptr:dword 35 externdef _r_numvblocks:dword 36 externdef _prowdestbase:dword 37 externdef _pbasesource:dword 38 externdef _r_lightwidth:dword 39 externdef _lightright:dword 40 externdef _lightrightstep:dword 41 externdef _lightdeltastep:dword 42 externdef _lightdelta:dword 43 externdef _lightright:dword 44 externdef _lightdelta:dword 45 externdef _sourcetstep:dword 46 externdef _surfrowbytes:dword 47 externdef _lightrightstep:dword 48 externdef _lightdeltastep:dword 49 externdef _r_sourcemax:dword 50 externdef _r_stepback:dword 51 externdef _colormap:dword 52 externdef _blocksize:dword 53 externdef _sourcesstep:dword 54 externdef _lightleft:dword 55 externdef _blockdivshift:dword 56 externdef _blockdivmask:dword 57 externdef _lightleftstep:dword 58 externdef _r_origin:dword 59 externdef _r_ppn:dword 60 externdef _r_pup:dword 61 externdef _r_pright:dword 62 externdef _ycenter:dword 63 externdef _xcenter:dword 64 externdef _d_vrectbottom_particle:dword 65 externdef _d_vrectright_particle:dword 66 externdef _d_vrecty:dword 67 externdef _d_vrectx:dword 68 externdef _d_pix_shift:dword 69 externdef _d_pix_min:dword 70 externdef _d_pix_max:dword 71 externdef _d_y_aspect_shift:dword 72 externdef _screenwidth:dword 73 externdef _vright:dword 74 externdef _vup:dword 75 externdef _vpn:dword 76 externdef _BOPS_Error:dword 77 externdef _snd_scaletable:dword 78 externdef _paintbuffer:dword 79 externdef _snd_linear_count:dword 80 externdef _snd_p:dword 81 externdef _snd_vol:dword 82 externdef _snd_out:dword 83 externdef _r_leftclipped:dword 84 externdef _r_leftenter:dword 85 externdef _r_rightclipped:dword 86 externdef _r_rightenter:dword 87 externdef _modelorg:dword 88 externdef _xscale:dword 89 externdef _r_refdef:dword 90 externdef _yscale:dword 91 externdef _r_leftexit:dword 92 externdef _r_rightexit:dword 93 externdef _r_lastvertvalid:dword 94 externdef _cacheoffset:dword 95 externdef _newedges:dword 96 externdef _removeedges:dword 97 externdef _r_pedge:dword 98 externdef _r_framecount:dword 99 externdef _r_u1:dword 100 externdef _r_emitted:dword 101 externdef _edge_p:dword 102 externdef _surface_p:dword 103 externdef _surfaces:dword 104 externdef _r_lzi1:dword 105 externdef _r_v1:dword 106 externdef _r_ceilv1:dword 107 externdef _r_nearzi:dword 108 externdef _r_nearzionly:dword 109 externdef _edge_aftertail:dword 110 externdef _edge_tail:dword 111 externdef _current_iv:dword 112 externdef _edge_head_u_shift20:dword 113 externdef _span_p:dword 114 externdef _edge_head:dword 115 externdef _fv:dword 116 externdef _edge_tail_u_shift20:dword 117 externdef _r_apverts:dword 118 externdef _r_anumverts:dword 119 externdef _aliastransform:dword 120 externdef _r_avertexnormals:dword 121 externdef _r_plightvec:dword 122 externdef _r_ambientlight:dword 123 externdef _r_shadelight:dword 124 externdef _aliasxcenter:dword 125 externdef _aliasycenter:dword 126 externdef _a_sstepxfrac:dword 127 externdef _r_affinetridesc:dword 128 externdef _acolormap:dword 129 externdef _d_pcolormap:dword 130 externdef _r_affinetridesc:dword 131 externdef _d_sfrac:dword 132 externdef _d_ptex:dword 133 externdef _d_pedgespanpackage:dword 134 externdef _d_tfrac:dword 135 externdef _d_light:dword 136 externdef _d_zi:dword 137 externdef _d_pdest:dword 138 externdef _d_pz:dword 139 externdef _d_aspancount:dword 140 externdef _erroradjustup:dword 141 externdef _errorterm:dword 142 externdef _d_xdenom:dword 143 externdef _r_p0:dword 144 externdef _r_p1:dword 145 externdef _r_p2:dword 146 externdef _a_tstepxfrac:dword 147 externdef _r_sstepx:dword 148 externdef _r_tstepx:dword 149 externdef _a_ststepxwhole:dword 150 externdef _zspantable:dword 151 externdef _skintable:dword 152 externdef _r_zistepx:dword 153 externdef _erroradjustdown:dword 154 externdef _d_countextrastep:dword 155 externdef _ubasestep:dword 156 externdef _a_ststepxwhole:dword 157 externdef _a_tstepxfrac:dword 158 externdef _r_lstepx:dword 159 externdef _a_spans:dword 160 externdef _erroradjustdown:dword 161 externdef _d_pdestextrastep:dword 162 externdef _d_pzextrastep:dword 163 externdef _d_sfracextrastep:dword 164 externdef _d_ptexextrastep:dword 165 externdef _d_countextrastep:dword 166 externdef _d_tfracextrastep:dword 167 externdef _d_lightextrastep:dword 168 externdef _d_ziextrastep:dword 169 externdef _d_pdestbasestep:dword 170 externdef _d_pzbasestep:dword 171 externdef _d_sfracbasestep:dword 172 externdef _d_ptexbasestep:dword 173 externdef _ubasestep:dword 174 externdef _d_tfracbasestep:dword 175 externdef _d_lightbasestep:dword 176 externdef _d_zibasestep:dword 177 externdef _zspantable:dword 178 externdef _r_lstepy:dword 179 externdef _r_sstepy:dword 180 externdef _r_tstepy:dword 181 externdef _r_zistepy:dword 182 externdef _D_PolysetSetEdgeTable:dword 183 externdef _D_RasterizeAliasPolySmooth:dword 184 externdef float_point5:dword 185 externdef Float2ToThe31nd:dword 186 externdef izistep:dword 187 externdef izi:dword 188 externdef FloatMinus2ToThe31nd:dword 189 externdef float_1:dword 190 externdef float_particle_z_clip:dword 191 externdef float_minus_1:dword 192 externdef float_0:dword 193 externdef fp_16:dword 194 externdef fp_64k:dword 195 externdef fp_1m:dword 196 externdef fp_1m_minus_1:dword 197 externdef fp_8:dword 198 externdef entryvec_table:dword 199 externdef advancetable:dword 200 externdef sstep:dword 201 externdef tstep:dword 202 externdef pspantemp:dword 203 externdef counttemp:dword 204 externdef jumptemp:dword 205 externdef reciprocal_table:dword 206 externdef DP_Count:dword 207 externdef DP_u:dword 208 externdef DP_v:dword 209 externdef DP_32768:dword 210 externdef DP_Color:dword 211 externdef DP_Pix:dword 212 externdef DP_EntryTable:dword 213 externdef pbase:dword 214 externdef s:dword 215 externdef t:dword 216 externdef sfracf:dword 217 externdef tfracf:dword 218 externdef snext:dword 219 externdef tnext:dword 220 externdef spancountminus1:dword 221 externdef zi16stepu:dword 222 externdef sdivz16stepu:dword 223 externdef tdivz16stepu:dword 224 externdef zi8stepu:dword 225 externdef sdivz8stepu:dword 226 externdef tdivz8stepu:dword 227 externdef reciprocal_table_16:dword 228 externdef entryvec_table_16:dword 229 externdef ceil_cw:dword 230 externdef single_cw:dword 231 externdef fp_64kx64k:dword 232 externdef pz:dword 233 externdef spr8entryvec_table:dword 234_DATA SEGMENT 235 align 4 236p10_minus_p20 dd 0 237p01_minus_p21 dd 0 238temp0 dd 0 239temp1 dd 0 240Ltemp dd 0 241aff8entryvec_table dd LDraw8, LDraw7, LDraw6, LDraw5 242 dd LDraw4, LDraw3, LDraw2, LDraw1 243lzistepx dd 0 244_DATA ENDS 245_TEXT SEGMENT 246 externdef _D_PolysetSetEdgeTable:dword 247 externdef _D_RasterizeAliasPolySmooth:dword 248 public _D_PolysetCalcGradients 249_D_PolysetCalcGradients: 250 fild ds:dword ptr[_r_p0+0] 251 fild ds:dword ptr[_r_p2+0] 252 fild ds:dword ptr[_r_p0+4] 253 fild ds:dword ptr[_r_p2+4] 254 fild ds:dword ptr[_r_p1+0] 255 fild ds:dword ptr[_r_p1+4] 256 fxch st(3) 257 fsub st(0),st(2) 258 fxch st(1) 259 fsub st(0),st(4) 260 fxch st(5) 261 fsubrp st(4),st(0) 262 fxch st(2) 263 fsubrp st(1),st(0) 264 fxch st(1) 265 fld ds:dword ptr[_d_xdenom] 266 fxch st(4) 267 fstp ds:dword ptr[p10_minus_p20] 268 fstp ds:dword ptr[p01_minus_p21] 269 fxch st(2) 270 fild ds:dword ptr[_r_p2+16] 271 fild ds:dword ptr[_r_p0+16] 272 fild ds:dword ptr[_r_p1+16] 273 fxch st(2) 274 fld st(0) 275 fsubp st(2),st(0) 276 fsubp st(2),st(0) 277 fld st(0) 278 fmul st(0),st(5) 279 fxch st(2) 280 fld st(0) 281 fmul ds:dword ptr[p01_minus_p21] 282 fxch st(2) 283 fmul ds:dword ptr[p10_minus_p20] 284 fxch st(1) 285 fmul st(0),st(5) 286 fxch st(2) 287 fsubrp st(3),st(0) 288 fsubp st(1),st(0) 289 fld st(2) 290 fmul ds:dword ptr[float_minus_1] 291 fxch st(2) 292 fmul st(0),st(3) 293 fxch st(1) 294 fmul st(0),st(2) 295 fldcw ds:word ptr[ceil_cw] 296 fistp ds:dword ptr[_r_lstepy] 297 fistp ds:dword ptr[_r_lstepx] 298 fldcw ds:word ptr[single_cw] 299 fild ds:dword ptr[_r_p2+8] 300 fild ds:dword ptr[_r_p0+8] 301 fild ds:dword ptr[_r_p1+8] 302 fxch st(2) 303 fld st(0) 304 fsubp st(2),st(0) 305 fsubp st(2),st(0) 306 fld st(0) 307 fmul st(0),st(6) 308 fxch st(2) 309 fld st(0) 310 fmul ds:dword ptr[p01_minus_p21] 311 fxch st(2) 312 fmul ds:dword ptr[p10_minus_p20] 313 fxch st(1) 314 fmul st(0),st(6) 315 fxch st(2) 316 fsubrp st(3),st(0) 317 fsubp st(1),st(0) 318 fmul st(0),st(2) 319 fxch st(1) 320 fmul st(0),st(3) 321 fxch st(1) 322 fistp ds:dword ptr[_r_sstepy] 323 fistp ds:dword ptr[_r_sstepx] 324 fild ds:dword ptr[_r_p2+12] 325 fild ds:dword ptr[_r_p0+12] 326 fild ds:dword ptr[_r_p1+12] 327 fxch st(2) 328 fld st(0) 329 fsubp st(2),st(0) 330 fsubp st(2),st(0) 331 fld st(0) 332 fmul st(0),st(6) 333 fxch st(2) 334 fld st(0) 335 fmul ds:dword ptr[p01_minus_p21] 336 fxch st(2) 337 fmul ds:dword ptr[p10_minus_p20] 338 fxch st(1) 339 fmul st(0),st(6) 340 fxch st(2) 341 fsubrp st(3),st(0) 342 fsubp st(1),st(0) 343 fmul st(0),st(2) 344 fxch st(1) 345 fmul st(0),st(3) 346 fxch st(1) 347 fistp ds:dword ptr[_r_tstepy] 348 fistp ds:dword ptr[_r_tstepx] 349 fild ds:dword ptr[_r_p2+20] 350 fild ds:dword ptr[_r_p0+20] 351 fild ds:dword ptr[_r_p1+20] 352 fxch st(2) 353 fld st(0) 354 fsubp st(2),st(0) 355 fsubp st(2),st(0) 356 fld st(0) 357 fmulp st(6),st(0) 358 fxch st(1) 359 fld st(0) 360 fmul ds:dword ptr[p01_minus_p21] 361 fxch st(2) 362 fmul ds:dword ptr[p10_minus_p20] 363 fxch st(1) 364 fmulp st(5),st(0) 365 fxch st(5) 366 fsubp st(1),st(0) 367 fxch st(3) 368 fsubrp st(4),st(0) 369 fxch st(1) 370 fmulp st(2),st(0) 371 fmulp st(2),st(0) 372 fistp ds:dword ptr[_r_zistepx] 373 fistp ds:dword ptr[_r_zistepy] 374 mov eax,ds:dword ptr[_r_sstepx] 375 mov edx,ds:dword ptr[_r_tstepx] 376 shl eax,16 377 shl edx,16 378 mov ds:dword ptr[_a_sstepxfrac],eax 379 mov ds:dword ptr[_a_tstepxfrac],edx 380 mov ecx,ds:dword ptr[_r_sstepx] 381 mov eax,ds:dword ptr[_r_tstepx] 382 sar ecx,16 383 sar eax,16 384 imul ds:dword ptr[4+0+esp] 385 add eax,ecx 386 mov ds:dword ptr[_a_ststepxwhole],eax 387 ret 388 public _D_PolysetRecursiveTriangle 389_D_PolysetRecursiveTriangle: 390 push ebp 391 push esi 392 push edi 393 push ebx 394 mov esi,ds:dword ptr[8+16+esp] 395 mov ebx,ds:dword ptr[4+16+esp] 396 mov edi,ds:dword ptr[12+16+esp] 397 mov eax,ds:dword ptr[0+esi] 398 mov edx,ds:dword ptr[0+ebx] 399 mov ebp,ds:dword ptr[4+esi] 400 sub eax,edx 401 mov ecx,ds:dword ptr[4+ebx] 402 sub ebp,ecx 403 inc eax 404 cmp eax,2 405 ja LSplit 406 mov eax,ds:dword ptr[0+edi] 407 inc ebp 408 cmp ebp,2 409 ja LSplit 410 mov edx,ds:dword ptr[0+esi] 411 mov ebp,ds:dword ptr[4+edi] 412 sub eax,edx 413 mov ecx,ds:dword ptr[4+esi] 414 sub ebp,ecx 415 inc eax 416 cmp eax,2 417 ja LSplit2 418 mov eax,ds:dword ptr[0+ebx] 419 inc ebp 420 cmp ebp,2 421 ja LSplit2 422 mov edx,ds:dword ptr[0+edi] 423 mov ebp,ds:dword ptr[4+ebx] 424 sub eax,edx 425 mov ecx,ds:dword ptr[4+edi] 426 sub ebp,ecx 427 inc eax 428 inc ebp 429 mov edx,ebx 430 cmp eax,2 431 ja LSplit3 432 cmp ebp,2 433 jna LDone 434LSplit3: 435 mov ebx,edi 436 mov edi,esi 437 mov esi,edx 438 jmp LSplit 439LSplit2: 440 mov eax,ebx 441 mov ebx,esi 442 mov esi,edi 443 mov edi,eax 444LSplit: 445 sub esp,24 446 mov eax,ds:dword ptr[8+ebx] 447 mov edx,ds:dword ptr[8+esi] 448 mov ecx,ds:dword ptr[12+ebx] 449 add eax,edx 450 mov edx,ds:dword ptr[12+esi] 451 sar eax,1 452 add ecx,edx 453 mov ds:dword ptr[8+esp],eax 454 mov eax,ds:dword ptr[20+ebx] 455 sar ecx,1 456 mov edx,ds:dword ptr[20+esi] 457 mov ds:dword ptr[12+esp],ecx 458 add eax,edx 459 mov ecx,ds:dword ptr[0+ebx] 460 mov edx,ds:dword ptr[0+esi] 461 sar eax,1 462 add edx,ecx 463 mov ds:dword ptr[20+esp],eax 464 mov eax,ds:dword ptr[4+ebx] 465 sar edx,1 466 mov ebp,ds:dword ptr[4+esi] 467 mov ds:dword ptr[0+esp],edx 468 add ebp,eax 469 sar ebp,1 470 mov ds:dword ptr[4+esp],ebp 471 cmp ds:dword ptr[4+esi],eax 472 jg LNoDraw 473 mov edx,ds:dword ptr[0+esi] 474 jnz LDraw 475 cmp edx,ecx 476 jl LNoDraw 477LDraw: 478 mov edx,ds:dword ptr[20+esp] 479 mov ecx,ds:dword ptr[4+esp] 480 sar edx,16 481 mov ebp,ds:dword ptr[0+esp] 482 mov eax,ds:dword ptr[_zspantable+ecx*4] 483 cmp dx,ds:word ptr[eax+ebp*2] 484 jnge LNoDraw 485 mov ds:word ptr[eax+ebp*2],dx 486 mov eax,ds:dword ptr[12+esp] 487 sar eax,16 488 mov edx,ds:dword ptr[8+esp] 489 sar edx,16 490 sub ecx,ecx 491 mov eax,ds:dword ptr[_skintable+eax*4] 492 mov ebp,ds:dword ptr[4+esp] 493 mov cl,ds:byte ptr[eax+edx] 494 mov edx,ds:dword ptr[_d_pcolormap] 495 mov dl,ds:byte ptr[edx+ecx] 496 mov ecx,ds:dword ptr[0+esp] 497 mov eax,ds:dword ptr[_d_scantable+ebp*4] 498 add ecx,eax 499 mov eax,ds:dword ptr[_d_viewbuffer] 500 mov ds:byte ptr[eax+ecx*1],dl 501LNoDraw: 502 push esp 503 push ebx 504 push edi 505 call near ptr _D_PolysetRecursiveTriangle 506 mov ebx,esp 507 push esi 508 push ebx 509 push edi 510 call near ptr _D_PolysetRecursiveTriangle 511 add esp,24 512LDone: 513 pop ebx 514 pop edi 515 pop esi 516 pop ebp 517 ret 12 518 public _D_PolysetAff8Start 519_D_PolysetAff8Start: 520 public _D_PolysetDrawSpans8 521_D_PolysetDrawSpans8: 522 push esi 523 push ebx 524 mov esi,ds:dword ptr[4+8+esp] 525 mov ecx,ds:dword ptr[_r_zistepx] 526 push ebp 527 push edi 528 ror ecx,16 529 mov edx,ds:dword ptr[8+esi] 530 mov ds:dword ptr[lzistepx],ecx 531LSpanLoop: 532 mov eax,ds:dword ptr[_d_aspancount] 533 sub eax,edx 534 mov edx,ds:dword ptr[_erroradjustup] 535 mov ebx,ds:dword ptr[_errorterm] 536 add ebx,edx 537 js LNoTurnover 538 mov edx,ds:dword ptr[_erroradjustdown] 539 mov edi,ds:dword ptr[_d_countextrastep] 540 sub ebx,edx 541 mov ebp,ds:dword ptr[_d_aspancount] 542 mov ds:dword ptr[_errorterm],ebx 543 add ebp,edi 544 mov ds:dword ptr[_d_aspancount],ebp 545 jmp LRightEdgeStepped 546LNoTurnover: 547 mov edi,ds:dword ptr[_d_aspancount] 548 mov edx,ds:dword ptr[_ubasestep] 549 mov ds:dword ptr[_errorterm],ebx 550 add edi,edx 551 mov ds:dword ptr[_d_aspancount],edi 552LRightEdgeStepped: 553 cmp eax,1 554 jl LNextSpan 555 jz LExactlyOneLong 556 mov ecx,ds:dword ptr[_a_ststepxwhole] 557 mov edx,ds:dword ptr[_r_affinetridesc+8] 558 mov ds:dword ptr[advancetable+4],ecx 559 add ecx,edx 560 mov ds:dword ptr[advancetable],ecx 561 mov ecx,ds:dword ptr[_a_tstepxfrac] 562 mov cx,ds:word ptr[_r_lstepx] 563 mov edx,eax 564 mov ds:dword ptr[tstep],ecx 565 add edx,7 566 shr edx,3 567 mov ebx,ds:dword ptr[16+esi] 568 mov bx,dx 569 mov ecx,ds:dword ptr[4+esi] 570 neg eax 571 mov edi,ds:dword ptr[0+esi] 572 and eax,7 573 sub edi,eax 574 sub ecx,eax 575 sub ecx,eax 576 mov edx,ds:dword ptr[20+esi] 577 mov dx,ds:word ptr[24+esi] 578 mov ebp,ds:dword ptr[28+esi] 579 ror ebp,16 580 push esi 581 mov esi,ds:dword ptr[12+esi] 582 jmp dword ptr[aff8entryvec_table+eax*4] 583LDrawLoop: 584LDraw8: 585 cmp bp,ds:word ptr[ecx] 586 jl Lp1 587 xor eax,eax 588 mov ah,dh 589 mov al,ds:byte ptr[esi] 590 mov ds:word ptr[ecx],bp 591 mov al,ds:byte ptr[12345678h+eax] 592LPatch8: 593 mov ds:byte ptr[edi],al 594Lp1: 595 add edx,ds:dword ptr[tstep] 596 sbb eax,eax 597 add ebp,ds:dword ptr[lzistepx] 598 adc ebp,0 599 add ebx,ds:dword ptr[_a_sstepxfrac] 600 adc esi,ds:dword ptr[advancetable+4+eax*4] 601LDraw7: 602 cmp bp,ds:word ptr[2+ecx] 603 jl Lp2 604 xor eax,eax 605 mov ah,dh 606 mov al,ds:byte ptr[esi] 607 mov ds:word ptr[2+ecx],bp 608 mov al,ds:byte ptr[12345678h+eax] 609LPatch7: 610 mov ds:byte ptr[1+edi],al 611Lp2: 612 add edx,ds:dword ptr[tstep] 613 sbb eax,eax 614 add ebp,ds:dword ptr[lzistepx] 615 adc ebp,0 616 add ebx,ds:dword ptr[_a_sstepxfrac] 617 adc esi,ds:dword ptr[advancetable+4+eax*4] 618LDraw6: 619 cmp bp,ds:word ptr[4+ecx] 620 jl Lp3 621 xor eax,eax 622 mov ah,dh 623 mov al,ds:byte ptr[esi] 624 mov ds:word ptr[4+ecx],bp 625 mov al,ds:byte ptr[12345678h+eax] 626LPatch6: 627 mov ds:byte ptr[2+edi],al 628Lp3: 629 add edx,ds:dword ptr[tstep] 630 sbb eax,eax 631 add ebp,ds:dword ptr[lzistepx] 632 adc ebp,0 633 add ebx,ds:dword ptr[_a_sstepxfrac] 634 adc esi,ds:dword ptr[advancetable+4+eax*4] 635LDraw5: 636 cmp bp,ds:word ptr[6+ecx] 637 jl Lp4 638 xor eax,eax 639 mov ah,dh 640 mov al,ds:byte ptr[esi] 641 mov ds:word ptr[6+ecx],bp 642 mov al,ds:byte ptr[12345678h+eax] 643LPatch5: 644 mov ds:byte ptr[3+edi],al 645Lp4: 646 add edx,ds:dword ptr[tstep] 647 sbb eax,eax 648 add ebp,ds:dword ptr[lzistepx] 649 adc ebp,0 650 add ebx,ds:dword ptr[_a_sstepxfrac] 651 adc esi,ds:dword ptr[advancetable+4+eax*4] 652LDraw4: 653 cmp bp,ds:word ptr[8+ecx] 654 jl Lp5 655 xor eax,eax 656 mov ah,dh 657 mov al,ds:byte ptr[esi] 658 mov ds:word ptr[8+ecx],bp 659 mov al,ds:byte ptr[12345678h+eax] 660LPatch4: 661 mov ds:byte ptr[4+edi],al 662Lp5: 663 add edx,ds:dword ptr[tstep] 664 sbb eax,eax 665 add ebp,ds:dword ptr[lzistepx] 666 adc ebp,0 667 add ebx,ds:dword ptr[_a_sstepxfrac] 668 adc esi,ds:dword ptr[advancetable+4+eax*4] 669LDraw3: 670 cmp bp,ds:word ptr[10+ecx] 671 jl Lp6 672 xor eax,eax 673 mov ah,dh 674 mov al,ds:byte ptr[esi] 675 mov ds:word ptr[10+ecx],bp 676 mov al,ds:byte ptr[12345678h+eax] 677LPatch3: 678 mov ds:byte ptr[5+edi],al 679Lp6: 680 add edx,ds:dword ptr[tstep] 681 sbb eax,eax 682 add ebp,ds:dword ptr[lzistepx] 683 adc ebp,0 684 add ebx,ds:dword ptr[_a_sstepxfrac] 685 adc esi,ds:dword ptr[advancetable+4+eax*4] 686LDraw2: 687 cmp bp,ds:word ptr[12+ecx] 688 jl Lp7 689 xor eax,eax 690 mov ah,dh 691 mov al,ds:byte ptr[esi] 692 mov ds:word ptr[12+ecx],bp 693 mov al,ds:byte ptr[12345678h+eax] 694LPatch2: 695 mov ds:byte ptr[6+edi],al 696Lp7: 697 add edx,ds:dword ptr[tstep] 698 sbb eax,eax 699 add ebp,ds:dword ptr[lzistepx] 700 adc ebp,0 701 add ebx,ds:dword ptr[_a_sstepxfrac] 702 adc esi,ds:dword ptr[advancetable+4+eax*4] 703LDraw1: 704 cmp bp,ds:word ptr[14+ecx] 705 jl Lp8 706 xor eax,eax 707 mov ah,dh 708 mov al,ds:byte ptr[esi] 709 mov ds:word ptr[14+ecx],bp 710 mov al,ds:byte ptr[12345678h+eax] 711LPatch1: 712 mov ds:byte ptr[7+edi],al 713Lp8: 714 add edx,ds:dword ptr[tstep] 715 sbb eax,eax 716 add ebp,ds:dword ptr[lzistepx] 717 adc ebp,0 718 add ebx,ds:dword ptr[_a_sstepxfrac] 719 adc esi,ds:dword ptr[advancetable+4+eax*4] 720 add edi,8 721 add ecx,16 722 dec bx 723 jnz LDrawLoop 724 pop esi 725LNextSpan: 726 add esi,32 727LNextSpanESISet: 728 mov edx,ds:dword ptr[8+esi] 729 cmp edx,offset -999999 730 jnz LSpanLoop 731 pop edi 732 pop ebp 733 pop ebx 734 pop esi 735 ret 736LExactlyOneLong: 737 mov ecx,ds:dword ptr[4+esi] 738 mov ebp,ds:dword ptr[28+esi] 739 ror ebp,16 740 mov ebx,ds:dword ptr[12+esi] 741 cmp bp,ds:word ptr[ecx] 742 jl LNextSpan 743 xor eax,eax 744 mov edi,ds:dword ptr[0+esi] 745 mov ah,ds:byte ptr[24+1+esi] 746 add esi,32 747 mov al,ds:byte ptr[ebx] 748 mov ds:word ptr[ecx],bp 749 mov al,ds:byte ptr[12345678h+eax] 750LPatch9: 751 mov ds:byte ptr[edi],al 752 jmp LNextSpanESISet 753 public _D_PolysetAff8End 754_D_PolysetAff8End: 755 public _D_Aff8Patch 756_D_Aff8Patch: 757 mov eax,ds:dword ptr[4+esp] 758 mov ds:dword ptr[LPatch1-4],eax 759 mov ds:dword ptr[LPatch2-4],eax 760 mov ds:dword ptr[LPatch3-4],eax 761 mov ds:dword ptr[LPatch4-4],eax 762 mov ds:dword ptr[LPatch5-4],eax 763 mov ds:dword ptr[LPatch6-4],eax 764 mov ds:dword ptr[LPatch7-4],eax 765 mov ds:dword ptr[LPatch8-4],eax 766 mov ds:dword ptr[LPatch9-4],eax 767 ret 768 public _D_PolysetDraw 769_D_PolysetDraw: 770 sub esp,offset (((1024+1 + 1 + ((32 - 1) / 32)) + 1) * 32) 771 mov eax,esp 772 add eax,32 - 1 773 and eax,offset not (32 - 1) 774 mov ds:dword ptr[_a_spans],eax 775 mov eax,ds:dword ptr[_r_affinetridesc+28] 776 test eax,eax 777 jz _D_DrawNonSubdiv 778 push ebp 779 mov ebp,ds:dword ptr[_r_affinetridesc+24] 780 push esi 781 shl ebp,4 782 push ebx 783 mov ebx,ds:dword ptr[_r_affinetridesc+16] 784 push edi 785 mov edi,ds:dword ptr[_r_affinetridesc+20] 786Llooptop: 787 mov ecx,ds:dword ptr[4-16+0+ebx+ebp] 788 mov esi,ds:dword ptr[4-16+4+ebx+ebp] 789 shl ecx,5 790 mov edx,ds:dword ptr[4-16+8+ebx+ebp] 791 shl esi,5 792 add ecx,edi 793 shl edx,5 794 add esi,edi 795 add edx,edi 796 fild ds:dword ptr[0+4+ecx] 797 fild ds:dword ptr[0+4+esi] 798 fild ds:dword ptr[0+0+ecx] 799 fild ds:dword ptr[0+0+edx] 800 fxch st(2) 801 fsubr st(0),st(3) 802 fild ds:dword ptr[0+0+esi] 803 fxch st(2) 804 fsubr st(3),st(0) 805 fild ds:dword ptr[0+4+edx] 806 fxch st(1) 807 fsubrp st(3),st(0) 808 fxch st(1) 809 fmulp st(3),st(0) 810 fsubp st(3),st(0) 811 mov eax,ds:dword ptr[0+16+ecx] 812 and eax,0FF00h 813 fmulp st(2),st(0) 814 add eax,ds:dword ptr[_acolormap] 815 fsubrp st(1),st(0) 816 mov ds:dword ptr[_d_pcolormap],eax 817 fstp ds:dword ptr[Ltemp] 818 mov eax,ds:dword ptr[Ltemp] 819 sub eax,080000001h 820 jc Lskip 821 mov eax,ds:dword ptr[0-16+ebx+ebp] 822 test eax,eax 823 jz Lfacesback 824 push edx 825 push esi 826 push ecx 827 call near ptr _D_PolysetRecursiveTriangle 828 sub ebp,16 829 jnz Llooptop 830 jmp Ldone2 831Lfacesback: 832 mov eax,ds:dword ptr[0+8+ecx] 833 push eax 834 mov eax,ds:dword ptr[0+8+esi] 835 push eax 836 mov eax,ds:dword ptr[0+8+edx] 837 push eax 838 push ecx 839 push edx 840 mov eax,ds:dword ptr[_r_affinetridesc+32] 841 test ds:dword ptr[24+ecx],00020h 842 jz Lp11 843 add ds:dword ptr[0+8+ecx],eax 844Lp11: 845 test ds:dword ptr[24+esi],00020h 846 jz Lp12 847 add ds:dword ptr[0+8+esi],eax 848Lp12: 849 test ds:dword ptr[24+edx],00020h 850 jz Lp13 851 add ds:dword ptr[0+8+edx],eax 852Lp13: 853 push edx 854 push esi 855 push ecx 856 call near ptr _D_PolysetRecursiveTriangle 857 pop edx 858 pop ecx 859 pop eax 860 mov ds:dword ptr[0+8+edx],eax 861 pop eax 862 mov ds:dword ptr[0+8+esi],eax 863 pop eax 864 mov ds:dword ptr[0+8+ecx],eax 865Lskip: 866 sub ebp,16 867 jnz Llooptop 868Ldone2: 869 pop edi 870 pop ebx 871 pop esi 872 pop ebp 873 add esp,offset (((1024+1 + 1 + ((32 - 1) / 32)) + 1) * 32) 874 ret 875 public _D_PolysetScanLeftEdge 876_D_PolysetScanLeftEdge: 877 push ebp 878 push esi 879 push edi 880 push ebx 881 mov eax,ds:dword ptr[4+16+esp] 882 mov ecx,ds:dword ptr[_d_sfrac] 883 and eax,0FFFFh 884 mov ebx,ds:dword ptr[_d_ptex] 885 or ecx,eax 886 mov esi,ds:dword ptr[_d_pedgespanpackage] 887 mov edx,ds:dword ptr[_d_tfrac] 888 mov edi,ds:dword ptr[_d_light] 889 mov ebp,ds:dword ptr[_d_zi] 890LScanLoop: 891 mov ds:dword ptr[12+esi],ebx 892 mov eax,ds:dword ptr[_d_pdest] 893 mov ds:dword ptr[0+esi],eax 894 mov eax,ds:dword ptr[_d_pz] 895 mov ds:dword ptr[4+esi],eax 896 mov eax,ds:dword ptr[_d_aspancount] 897 mov ds:dword ptr[8+esi],eax 898 mov ds:dword ptr[24+esi],edi 899 mov ds:dword ptr[28+esi],ebp 900 mov ds:dword ptr[16+esi],ecx 901 mov ds:dword ptr[20+esi],edx 902 mov al,ds:byte ptr[32+esi] 903 add esi,32 904 mov eax,ds:dword ptr[_erroradjustup] 905 mov ds:dword ptr[_d_pedgespanpackage],esi 906 mov esi,ds:dword ptr[_errorterm] 907 add esi,eax 908 mov eax,ds:dword ptr[_d_pdest] 909 js LNoLeftEdgeTurnover 910 sub esi,ds:dword ptr[_erroradjustdown] 911 add eax,ds:dword ptr[_d_pdestextrastep] 912 mov ds:dword ptr[_errorterm],esi 913 mov ds:dword ptr[_d_pdest],eax 914 mov eax,ds:dword ptr[_d_pz] 915 mov esi,ds:dword ptr[_d_aspancount] 916 add eax,ds:dword ptr[_d_pzextrastep] 917 add ecx,ds:dword ptr[_d_sfracextrastep] 918 adc ebx,ds:dword ptr[_d_ptexextrastep] 919 add esi,ds:dword ptr[_d_countextrastep] 920 mov ds:dword ptr[_d_pz],eax 921 mov eax,ds:dword ptr[_d_tfracextrastep] 922 mov ds:dword ptr[_d_aspancount],esi 923 add edx,eax 924 jnc LSkip1 925 add ebx,ds:dword ptr[_r_affinetridesc+8] 926LSkip1: 927 add edi,ds:dword ptr[_d_lightextrastep] 928 add ebp,ds:dword ptr[_d_ziextrastep] 929 mov esi,ds:dword ptr[_d_pedgespanpackage] 930 dec ecx 931 test ecx,0FFFFh 932 jnz LScanLoop 933 pop ebx 934 pop edi 935 pop esi 936 pop ebp 937 ret 938LNoLeftEdgeTurnover: 939 mov ds:dword ptr[_errorterm],esi 940 add eax,ds:dword ptr[_d_pdestbasestep] 941 mov ds:dword ptr[_d_pdest],eax 942 mov eax,ds:dword ptr[_d_pz] 943 mov esi,ds:dword ptr[_d_aspancount] 944 add eax,ds:dword ptr[_d_pzbasestep] 945 add ecx,ds:dword ptr[_d_sfracbasestep] 946 adc ebx,ds:dword ptr[_d_ptexbasestep] 947 add esi,ds:dword ptr[_ubasestep] 948 mov ds:dword ptr[_d_pz],eax 949 mov ds:dword ptr[_d_aspancount],esi 950 mov esi,ds:dword ptr[_d_tfracbasestep] 951 add edx,esi 952 jnc LSkip2 953 add ebx,ds:dword ptr[_r_affinetridesc+8] 954LSkip2: 955 add edi,ds:dword ptr[_d_lightbasestep] 956 add ebp,ds:dword ptr[_d_zibasestep] 957 mov esi,ds:dword ptr[_d_pedgespanpackage] 958 dec ecx 959 test ecx,0FFFFh 960 jnz LScanLoop 961 pop ebx 962 pop edi 963 pop esi 964 pop ebp 965 ret 966 public _D_PolysetDrawFinalVerts 967_D_PolysetDrawFinalVerts: 968 push ebp 969 push ebx 970 mov ecx,ds:dword ptr[8+8+esp] 971 mov ebx,ds:dword ptr[4+8+esp] 972 push esi 973 push edi 974LFVLoop: 975 mov eax,ds:dword ptr[0+0+ebx] 976 mov edx,ds:dword ptr[_r_refdef+40] 977 cmp eax,edx 978 jge LNextVert 979 mov esi,ds:dword ptr[0+4+ebx] 980 mov edx,ds:dword ptr[_r_refdef+44] 981 cmp esi,edx 982 jge LNextVert 983 mov edi,ds:dword ptr[_zspantable+esi*4] 984 mov edx,ds:dword ptr[0+20+ebx] 985 shr edx,16 986 cmp dx,ds:word ptr[edi+eax*2] 987 jl LNextVert 988 mov ds:word ptr[edi+eax*2],dx 989 mov edi,ds:dword ptr[0+12+ebx] 990 shr edi,16 991 mov edi,ds:dword ptr[_skintable+edi*4] 992 mov edx,ds:dword ptr[0+8+ebx] 993 shr edx,16 994 mov dl,ds:byte ptr[edi+edx] 995 mov edi,ds:dword ptr[0+16+ebx] 996 and edi,0FF00h 997 and edx,000FFh 998 add edi,edx 999 mov edx,ds:dword ptr[_acolormap] 1000 mov dl,ds:byte ptr[edx+edi*1] 1001 mov edi,ds:dword ptr[_d_scantable+esi*4] 1002 mov esi,ds:dword ptr[_d_viewbuffer] 1003 add edi,eax 1004 mov ds:byte ptr[esi+edi],dl 1005LNextVert: 1006 add ebx,32 1007 dec ecx 1008 jnz LFVLoop 1009 pop edi 1010 pop esi 1011 pop ebx 1012 pop ebp 1013 ret 1014 public _D_DrawNonSubdiv 1015_D_DrawNonSubdiv: 1016 push ebp 1017 mov ebp,ds:dword ptr[_r_affinetridesc+24] 1018 push ebx 1019 shl ebp,4 1020 push esi 1021 mov esi,ds:dword ptr[_r_affinetridesc+16] 1022 push edi 1023LNDLoop: 1024 mov edi,ds:dword ptr[_r_affinetridesc+20] 1025 mov ecx,ds:dword ptr[4+0-16+esi+ebp*1] 1026 shl ecx,5 1027 mov edx,ds:dword ptr[4+4-16+esi+ebp*1] 1028 shl edx,5 1029 mov ebx,ds:dword ptr[4+8-16+esi+ebp*1] 1030 shl ebx,5 1031 add ecx,edi 1032 add edx,edi 1033 add ebx,edi 1034 mov eax,ds:dword ptr[0+4+ecx] 1035 mov esi,ds:dword ptr[0+0+ecx] 1036 sub eax,ds:dword ptr[0+4+edx] 1037 sub esi,ds:dword ptr[0+0+ebx] 1038 imul eax,esi 1039 mov esi,ds:dword ptr[0+0+ecx] 1040 mov edi,ds:dword ptr[0+4+ecx] 1041 sub esi,ds:dword ptr[0+0+edx] 1042 sub edi,ds:dword ptr[0+4+ebx] 1043 imul edi,esi 1044 sub eax,edi 1045 jns LNextTri 1046 mov ds:dword ptr[_d_xdenom],eax 1047 fild ds:dword ptr[_d_xdenom] 1048 mov eax,ds:dword ptr[0+0+ecx] 1049 mov esi,ds:dword ptr[0+4+ecx] 1050 mov ds:dword ptr[_r_p0+0],eax 1051 mov ds:dword ptr[_r_p0+4],esi 1052 mov eax,ds:dword ptr[0+8+ecx] 1053 mov esi,ds:dword ptr[0+12+ecx] 1054 mov ds:dword ptr[_r_p0+8],eax 1055 mov ds:dword ptr[_r_p0+12],esi 1056 mov eax,ds:dword ptr[0+16+ecx] 1057 mov esi,ds:dword ptr[0+20+ecx] 1058 mov ds:dword ptr[_r_p0+16],eax 1059 mov ds:dword ptr[_r_p0+20],esi 1060 fdivr ds:dword ptr[float_1] 1061 mov eax,ds:dword ptr[0+0+edx] 1062 mov esi,ds:dword ptr[0+4+edx] 1063 mov ds:dword ptr[_r_p1+0],eax 1064 mov ds:dword ptr[_r_p1+4],esi 1065 mov eax,ds:dword ptr[0+8+edx] 1066 mov esi,ds:dword ptr[0+12+edx] 1067 mov ds:dword ptr[_r_p1+8],eax 1068 mov ds:dword ptr[_r_p1+12],esi 1069 mov eax,ds:dword ptr[0+16+edx] 1070 mov esi,ds:dword ptr[0+20+edx] 1071 mov ds:dword ptr[_r_p1+16],eax 1072 mov ds:dword ptr[_r_p1+20],esi 1073 mov eax,ds:dword ptr[0+0+ebx] 1074 mov esi,ds:dword ptr[0+4+ebx] 1075 mov ds:dword ptr[_r_p2+0],eax 1076 mov ds:dword ptr[_r_p2+4],esi 1077 mov eax,ds:dword ptr[0+8+ebx] 1078 mov esi,ds:dword ptr[0+12+ebx] 1079 mov ds:dword ptr[_r_p2+8],eax 1080 mov ds:dword ptr[_r_p2+12],esi 1081 mov eax,ds:dword ptr[0+16+ebx] 1082 mov esi,ds:dword ptr[0+20+ebx] 1083 mov ds:dword ptr[_r_p2+16],eax 1084 mov edi,ds:dword ptr[_r_affinetridesc+16] 1085 mov ds:dword ptr[_r_p2+20],esi 1086 mov eax,ds:dword ptr[0-16+edi+ebp*1] 1087 test eax,eax 1088 jnz LFacesFront 1089 mov eax,ds:dword ptr[24+ecx] 1090 mov esi,ds:dword ptr[24+edx] 1091 mov edi,ds:dword ptr[24+ebx] 1092 test eax,00020h 1093 mov eax,ds:dword ptr[_r_affinetridesc+32] 1094 jz LOnseamDone0 1095 add ds:dword ptr[_r_p0+8],eax 1096LOnseamDone0: 1097 test esi,00020h 1098 jz LOnseamDone1 1099 add ds:dword ptr[_r_p1+8],eax 1100LOnseamDone1: 1101 test edi,00020h 1102 jz LOnseamDone2 1103 add ds:dword ptr[_r_p2+8],eax 1104LOnseamDone2: 1105LFacesFront: 1106 fstp ds:dword ptr[_d_xdenom] 1107 call near ptr _D_PolysetSetEdgeTable 1108 call near ptr _D_RasterizeAliasPolySmooth 1109LNextTri: 1110 mov esi,ds:dword ptr[_r_affinetridesc+16] 1111 sub ebp,16 1112 jnz LNDLoop 1113 pop edi 1114 pop esi 1115 pop ebx 1116 pop ebp 1117 add esp,offset (((1024+1 + 1 + ((32 - 1) / 32)) + 1) * 32) 1118 ret 1119_TEXT ENDS 1120 END 1121