The Quake sources as originally release under the GPL license on December 21, 1999

1 files changed, 1120 insertions, 0 deletions

diff --git a/QW/client/d_polysa.asm b/QW/client/d_polysa.asm
new file mode 100644
index 0000000..121d0e9
--- /dev/null
+++ b/QW/client/d_polysa.asm
@@ -0,0 +1,1120 @@
+ .386P
+ .model FLAT
+ externdef _d_zistepu:dword
+ externdef _d_pzbuffer:dword
+ externdef _d_zistepv:dword
+ externdef _d_zrowbytes:dword
+ externdef _d_ziorigin:dword
+ externdef _r_turb_s:dword
+ externdef _r_turb_t:dword
+ externdef _r_turb_pdest:dword
+ externdef _r_turb_spancount:dword
+ externdef _r_turb_turb:dword
+ externdef _r_turb_pbase:dword
+ externdef _r_turb_sstep:dword
+ externdef _r_turb_tstep:dword
+ externdef _r_bmodelactive:dword
+ externdef _d_sdivzstepu:dword
+ externdef _d_tdivzstepu:dword
+ externdef _d_sdivzstepv:dword
+ externdef _d_tdivzstepv:dword
+ externdef _d_sdivzorigin:dword
+ externdef _d_tdivzorigin:dword
+ externdef _sadjust:dword
+ externdef _tadjust:dword
+ externdef _bbextents:dword
+ externdef _bbextentt:dword
+ externdef _cacheblock:dword
+ externdef _d_viewbuffer:dword
+ externdef _cachewidth:dword
+ externdef _d_pzbuffer:dword
+ externdef _d_zrowbytes:dword
+ externdef _d_zwidth:dword
+ externdef _d_scantable:dword
+ externdef _r_lightptr:dword
+ externdef _r_numvblocks:dword
+ externdef _prowdestbase:dword
+ externdef _pbasesource:dword
+ externdef _r_lightwidth:dword
+ externdef _lightright:dword
+ externdef _lightrightstep:dword
+ externdef _lightdeltastep:dword
+ externdef _lightdelta:dword
+ externdef _lightright:dword
+ externdef _lightdelta:dword
+ externdef _sourcetstep:dword
+ externdef _surfrowbytes:dword
+ externdef _lightrightstep:dword
+ externdef _lightdeltastep:dword
+ externdef _r_sourcemax:dword
+ externdef _r_stepback:dword
+ externdef _colormap:dword
+ externdef _blocksize:dword
+ externdef _sourcesstep:dword
+ externdef _lightleft:dword
+ externdef _blockdivshift:dword
+ externdef _blockdivmask:dword
+ externdef _lightleftstep:dword
+ externdef _r_origin:dword
+ externdef _r_ppn:dword
+ externdef _r_pup:dword
+ externdef _r_pright:dword
+ externdef _ycenter:dword
+ externdef _xcenter:dword
+ externdef _d_vrectbottom_particle:dword
+ externdef _d_vrectright_particle:dword
+ externdef _d_vrecty:dword
+ externdef _d_vrectx:dword
+ externdef _d_pix_shift:dword
+ externdef _d_pix_min:dword
+ externdef _d_pix_max:dword
+ externdef _d_y_aspect_shift:dword
+ externdef _screenwidth:dword
+ externdef _vright:dword
+ externdef _vup:dword
+ externdef _vpn:dword
+ externdef _BOPS_Error:dword
+ externdef _snd_scaletable:dword
+ externdef _paintbuffer:dword
+ externdef _snd_linear_count:dword
+ externdef _snd_p:dword
+ externdef _snd_vol:dword
+ externdef _snd_out:dword
+ externdef _r_leftclipped:dword
+ externdef _r_leftenter:dword
+ externdef _r_rightclipped:dword
+ externdef _r_rightenter:dword
+ externdef _modelorg:dword
+ externdef _xscale:dword
+ externdef _r_refdef:dword
+ externdef _yscale:dword
+ externdef _r_leftexit:dword
+ externdef _r_rightexit:dword
+ externdef _r_lastvertvalid:dword
+ externdef _cacheoffset:dword
+ externdef _newedges:dword
+ externdef _removeedges:dword
+ externdef _r_pedge:dword
+ externdef _r_framecount:dword
+ externdef _r_u1:dword
+ externdef _r_emitted:dword
+ externdef _edge_p:dword
+ externdef _surface_p:dword
+ externdef _surfaces:dword
+ externdef _r_lzi1:dword
+ externdef _r_v1:dword
+ externdef _r_ceilv1:dword
+ externdef _r_nearzi:dword
+ externdef _r_nearzionly:dword
+ externdef _edge_aftertail:dword
+ externdef _edge_tail:dword
+ externdef _current_iv:dword
+ externdef _edge_head_u_shift20:dword
+ externdef _span_p:dword
+ externdef _edge_head:dword
+ externdef _fv:dword
+ externdef _edge_tail_u_shift20:dword
+ externdef _r_apverts:dword
+ externdef _r_anumverts:dword
+ externdef _aliastransform:dword
+ externdef _r_avertexnormals:dword
+ externdef _r_plightvec:dword
+ externdef _r_ambientlight:dword
+ externdef _r_shadelight:dword
+ externdef _aliasxcenter:dword
+ externdef _aliasycenter:dword
+ externdef _a_sstepxfrac:dword
+ externdef _r_affinetridesc:dword
+ externdef _acolormap:dword
+ externdef _d_pcolormap:dword
+ externdef _r_affinetridesc:dword
+ externdef _d_sfrac:dword
+ externdef _d_ptex:dword
+ externdef _d_pedgespanpackage:dword
+ externdef _d_tfrac:dword
+ externdef _d_light:dword
+ externdef _d_zi:dword
+ externdef _d_pdest:dword
+ externdef _d_pz:dword
+ externdef _d_aspancount:dword
+ externdef _erroradjustup:dword
+ externdef _errorterm:dword
+ externdef _d_xdenom:dword
+ externdef _r_p0:dword
+ externdef _r_p1:dword
+ externdef _r_p2:dword
+ externdef _a_tstepxfrac:dword
+ externdef _r_sstepx:dword
+ externdef _r_tstepx:dword
+ externdef _a_ststepxwhole:dword
+ externdef _zspantable:dword
+ externdef _skintable:dword
+ externdef _r_zistepx:dword
+ externdef _erroradjustdown:dword
+ externdef _d_countextrastep:dword
+ externdef _ubasestep:dword
+ externdef _a_ststepxwhole:dword
+ externdef _a_tstepxfrac:dword
+ externdef _r_lstepx:dword
+ externdef _a_spans:dword
+ externdef _erroradjustdown:dword
+ externdef _d_pdestextrastep:dword
+ externdef _d_pzextrastep:dword
+ externdef _d_sfracextrastep:dword
+ externdef _d_ptexextrastep:dword
+ externdef _d_countextrastep:dword
+ externdef _d_tfracextrastep:dword
+ externdef _d_lightextrastep:dword
+ externdef _d_ziextrastep:dword
+ externdef _d_pdestbasestep:dword
+ externdef _d_pzbasestep:dword
+ externdef _d_sfracbasestep:dword
+ externdef _d_ptexbasestep:dword
+ externdef _ubasestep:dword
+ externdef _d_tfracbasestep:dword
+ externdef _d_lightbasestep:dword
+ externdef _d_zibasestep:dword
+ externdef _zspantable:dword
+ externdef _r_lstepy:dword
+ externdef _r_sstepy:dword
+ externdef _r_tstepy:dword
+ externdef _r_zistepy:dword
+ externdef _D_PolysetSetEdgeTable:dword
+ externdef _D_RasterizeAliasPolySmooth:dword
+ externdef float_point5:dword
+ externdef Float2ToThe31nd:dword
+ externdef izistep:dword
+ externdef izi:dword
+ externdef FloatMinus2ToThe31nd:dword
+ externdef float_1:dword
+ externdef float_particle_z_clip:dword
+ externdef float_minus_1:dword
+ externdef float_0:dword
+ externdef fp_16:dword
+ externdef fp_64k:dword
+ externdef fp_1m:dword
+ externdef fp_1m_minus_1:dword
+ externdef fp_8:dword
+ externdef entryvec_table:dword
+ externdef advancetable:dword
+ externdef sstep:dword
+ externdef tstep:dword
+ externdef pspantemp:dword
+ externdef counttemp:dword
+ externdef jumptemp:dword
+ externdef reciprocal_table:dword
+ externdef DP_Count:dword
+ externdef DP_u:dword
+ externdef DP_v:dword
+ externdef DP_32768:dword
+ externdef DP_Color:dword
+ externdef DP_Pix:dword
+ externdef DP_EntryTable:dword
+ externdef pbase:dword
+ externdef s:dword
+ externdef t:dword
+ externdef sfracf:dword
+ externdef tfracf:dword
+ externdef snext:dword
+ externdef tnext:dword
+ externdef spancountminus1:dword
+ externdef zi16stepu:dword
+ externdef sdivz16stepu:dword
+ externdef tdivz16stepu:dword
+ externdef zi8stepu:dword
+ externdef sdivz8stepu:dword
+ externdef tdivz8stepu:dword
+ externdef reciprocal_table_16:dword
+ externdef entryvec_table_16:dword
+ externdef ceil_cw:dword
+ externdef single_cw:dword
+ externdef fp_64kx64k:dword
+ externdef pz:dword
+ externdef spr8entryvec_table:dword
+_DATA SEGMENT
+ align 4
+p10_minus_p20 dd 0
+p01_minus_p21 dd 0
+temp0 dd 0
+temp1 dd 0
+Ltemp dd 0
+aff8entryvec_table dd LDraw8, LDraw7, LDraw6, LDraw5
+ dd LDraw4, LDraw3, LDraw2, LDraw1
+lzistepx dd 0
+_DATA ENDS
+_TEXT SEGMENT
+ externdef _D_PolysetSetEdgeTable:dword
+ externdef _D_RasterizeAliasPolySmooth:dword
+ public _D_PolysetCalcGradients
+_D_PolysetCalcGradients:
+ fild ds:dword ptr[_r_p0+0]
+ fild ds:dword ptr[_r_p2+0]
+ fild ds:dword ptr[_r_p0+4]
+ fild ds:dword ptr[_r_p2+4]
+ fild ds:dword ptr[_r_p1+0]
+ fild ds:dword ptr[_r_p1+4]
+ fxch st(3)
+ fsub st(0),st(2)
+ fxch st(1)
+ fsub st(0),st(4)
+ fxch st(5)
+ fsubrp st(4),st(0)
+ fxch st(2)
+ fsubrp st(1),st(0)
+ fxch st(1)
+ fld ds:dword ptr[_d_xdenom]
+ fxch st(4)
+ fstp ds:dword ptr[p10_minus_p20]
+ fstp ds:dword ptr[p01_minus_p21]
+ fxch st(2)
+ fild ds:dword ptr[_r_p2+16]
+ fild ds:dword ptr[_r_p0+16]
+ fild ds:dword ptr[_r_p1+16]
+ fxch st(2)
+ fld st(0)
+ fsubp st(2),st(0)
+ fsubp st(2),st(0)
+ fld st(0)
+ fmul st(0),st(5)
+ fxch st(2)
+ fld st(0)
+ fmul ds:dword ptr[p01_minus_p21]
+ fxch st(2)
+ fmul ds:dword ptr[p10_minus_p20]
+ fxch st(1)
+ fmul st(0),st(5)
+ fxch st(2)
+ fsubrp st(3),st(0)
+ fsubp st(1),st(0)
+ fld st(2)
+ fmul ds:dword ptr[float_minus_1]
+ fxch st(2)
+ fmul st(0),st(3)
+ fxch st(1)
+ fmul st(0),st(2)
+ fldcw ds:word ptr[ceil_cw]
+ fistp ds:dword ptr[_r_lstepy]
+ fistp ds:dword ptr[_r_lstepx]
+ fldcw ds:word ptr[single_cw]
+ fild ds:dword ptr[_r_p2+8]
+ fild ds:dword ptr[_r_p0+8]
+ fild ds:dword ptr[_r_p1+8]
+ fxch st(2)
+ fld st(0)
+ fsubp st(2),st(0)
+ fsubp st(2),st(0)
+ fld st(0)
+ fmul st(0),st(6)
+ fxch st(2)
+ fld st(0)
+ fmul ds:dword ptr[p01_minus_p21]
+ fxch st(2)
+ fmul ds:dword ptr[p10_minus_p20]
+ fxch st(1)
+ fmul st(0),st(6)
+ fxch st(2)
+ fsubrp st(3),st(0)
+ fsubp st(1),st(0)
+ fmul st(0),st(2)
+ fxch st(1)
+ fmul st(0),st(3)
+ fxch st(1)
+ fistp ds:dword ptr[_r_sstepy]
+ fistp ds:dword ptr[_r_sstepx]
+ fild ds:dword ptr[_r_p2+12]
+ fild ds:dword ptr[_r_p0+12]
+ fild ds:dword ptr[_r_p1+12]
+ fxch st(2)
+ fld st(0)
+ fsubp st(2),st(0)
+ fsubp st(2),st(0)
+ fld st(0)
+ fmul st(0),st(6)
+ fxch st(2)
+ fld st(0)
+ fmul ds:dword ptr[p01_minus_p21]
+ fxch st(2)
+ fmul ds:dword ptr[p10_minus_p20]
+ fxch st(1)
+ fmul st(0),st(6)
+ fxch st(2)
+ fsubrp st(3),st(0)
+ fsubp st(1),st(0)
+ fmul st(0),st(2)
+ fxch st(1)
+ fmul st(0),st(3)
+ fxch st(1)
+ fistp ds:dword ptr[_r_tstepy]
+ fistp ds:dword ptr[_r_tstepx]
+ fild ds:dword ptr[_r_p2+20]
+ fild ds:dword ptr[_r_p0+20]
+ fild ds:dword ptr[_r_p1+20]
+ fxch st(2)
+ fld st(0)
+ fsubp st(2),st(0)
+ fsubp st(2),st(0)
+ fld st(0)
+ fmulp st(6),st(0)
+ fxch st(1)
+ fld st(0)
+ fmul ds:dword ptr[p01_minus_p21]
+ fxch st(2)
+ fmul ds:dword ptr[p10_minus_p20]
+ fxch st(1)
+ fmulp st(5),st(0)
+ fxch st(5)
+ fsubp st(1),st(0)
+ fxch st(3)
+ fsubrp st(4),st(0)
+ fxch st(1)
+ fmulp st(2),st(0)
+ fmulp st(2),st(0)
+ fistp ds:dword ptr[_r_zistepx]
+ fistp ds:dword ptr[_r_zistepy]
+ mov eax,ds:dword ptr[_r_sstepx]
+ mov edx,ds:dword ptr[_r_tstepx]
+ shl eax,16
+ shl edx,16
+ mov ds:dword ptr[_a_sstepxfrac],eax
+ mov ds:dword ptr[_a_tstepxfrac],edx
+ mov ecx,ds:dword ptr[_r_sstepx]
+ mov eax,ds:dword ptr[_r_tstepx]
+ sar ecx,16
+ sar eax,16
+ imul ds:dword ptr[4+0+esp]
+ add eax,ecx
+ mov ds:dword ptr[_a_ststepxwhole],eax
+ ret
+ public _D_PolysetRecursiveTriangle
+_D_PolysetRecursiveTriangle:
+ push ebp
+ push esi
+ push edi
+ push ebx
+ mov esi,ds:dword ptr[8+16+esp]
+ mov ebx,ds:dword ptr[4+16+esp]
+ mov edi,ds:dword ptr[12+16+esp]
+ mov eax,ds:dword ptr[0+esi]
+ mov edx,ds:dword ptr[0+ebx]
+ mov ebp,ds:dword ptr[4+esi]
+ sub eax,edx
+ mov ecx,ds:dword ptr[4+ebx]
+ sub ebp,ecx
+ inc eax
+ cmp eax,2
+ ja LSplit
+ mov eax,ds:dword ptr[0+edi]
+ inc ebp
+ cmp ebp,2
+ ja LSplit
+ mov edx,ds:dword ptr[0+esi]
+ mov ebp,ds:dword ptr[4+edi]
+ sub eax,edx
+ mov ecx,ds:dword ptr[4+esi]
+ sub ebp,ecx
+ inc eax
+ cmp eax,2
+ ja LSplit2
+ mov eax,ds:dword ptr[0+ebx]
+ inc ebp
+ cmp ebp,2
+ ja LSplit2
+ mov edx,ds:dword ptr[0+edi]
+ mov ebp,ds:dword ptr[4+ebx]
+ sub eax,edx
+ mov ecx,ds:dword ptr[4+edi]
+ sub ebp,ecx
+ inc eax
+ inc ebp
+ mov edx,ebx
+ cmp eax,2
+ ja LSplit3
+ cmp ebp,2
+ jna LDone
+LSplit3:
+ mov ebx,edi
+ mov edi,esi
+ mov esi,edx
+ jmp LSplit
+LSplit2:
+ mov eax,ebx
+ mov ebx,esi
+ mov esi,edi
+ mov edi,eax
+LSplit:
+ sub esp,24
+ mov eax,ds:dword ptr[8+ebx]
+ mov edx,ds:dword ptr[8+esi]
+ mov ecx,ds:dword ptr[12+ebx]
+ add eax,edx
+ mov edx,ds:dword ptr[12+esi]
+ sar eax,1
+ add ecx,edx
+ mov ds:dword ptr[8+esp],eax
+ mov eax,ds:dword ptr[20+ebx]
+ sar ecx,1
+ mov edx,ds:dword ptr[20+esi]
+ mov ds:dword ptr[12+esp],ecx
+ add eax,edx
+ mov ecx,ds:dword ptr[0+ebx]
+ mov edx,ds:dword ptr[0+esi]
+ sar eax,1
+ add edx,ecx
+ mov ds:dword ptr[20+esp],eax
+ mov eax,ds:dword ptr[4+ebx]
+ sar edx,1
+ mov ebp,ds:dword ptr[4+esi]
+ mov ds:dword ptr[0+esp],edx
+ add ebp,eax
+ sar ebp,1
+ mov ds:dword ptr[4+esp],ebp
+ cmp ds:dword ptr[4+esi],eax
+ jg LNoDraw
+ mov edx,ds:dword ptr[0+esi]
+ jnz LDraw
+ cmp edx,ecx
+ jl LNoDraw
+LDraw:
+ mov edx,ds:dword ptr[20+esp]
+ mov ecx,ds:dword ptr[4+esp]
+ sar edx,16
+ mov ebp,ds:dword ptr[0+esp]
+ mov eax,ds:dword ptr[_zspantable+ecx*4]
+ cmp dx,ds:word ptr[eax+ebp*2]
+ jnge LNoDraw
+ mov ds:word ptr[eax+ebp*2],dx
+ mov eax,ds:dword ptr[12+esp]
+ sar eax,16
+ mov edx,ds:dword ptr[8+esp]
+ sar edx,16
+ sub ecx,ecx
+ mov eax,ds:dword ptr[_skintable+eax*4]
+ mov ebp,ds:dword ptr[4+esp]
+ mov cl,ds:byte ptr[eax+edx]
+ mov edx,ds:dword ptr[_d_pcolormap]
+ mov dl,ds:byte ptr[edx+ecx]
+ mov ecx,ds:dword ptr[0+esp]
+ mov eax,ds:dword ptr[_d_scantable+ebp*4]
+ add ecx,eax
+ mov eax,ds:dword ptr[_d_viewbuffer]
+ mov ds:byte ptr[eax+ecx*1],dl
+LNoDraw:
+ push esp
+ push ebx
+ push edi
+ call near ptr _D_PolysetRecursiveTriangle
+ mov ebx,esp
+ push esi
+ push ebx
+ push edi
+ call near ptr _D_PolysetRecursiveTriangle
+ add esp,24
+LDone:
+ pop ebx
+ pop edi
+ pop esi
+ pop ebp
+ ret 12
+ public _D_PolysetAff8Start
+_D_PolysetAff8Start:
+ public _D_PolysetDrawSpans8
+_D_PolysetDrawSpans8:
+ push esi
+ push ebx
+ mov esi,ds:dword ptr[4+8+esp]
+ mov ecx,ds:dword ptr[_r_zistepx]
+ push ebp
+ push edi
+ ror ecx,16
+ mov edx,ds:dword ptr[8+esi]
+ mov ds:dword ptr[lzistepx],ecx
+LSpanLoop:
+ mov eax,ds:dword ptr[_d_aspancount]
+ sub eax,edx
+ mov edx,ds:dword ptr[_erroradjustup]
+ mov ebx,ds:dword ptr[_errorterm]
+ add ebx,edx
+ js LNoTurnover
+ mov edx,ds:dword ptr[_erroradjustdown]
+ mov edi,ds:dword ptr[_d_countextrastep]
+ sub ebx,edx
+ mov ebp,ds:dword ptr[_d_aspancount]
+ mov ds:dword ptr[_errorterm],ebx
+ add ebp,edi
+ mov ds:dword ptr[_d_aspancount],ebp
+ jmp LRightEdgeStepped
+LNoTurnover:
+ mov edi,ds:dword ptr[_d_aspancount]
+ mov edx,ds:dword ptr[_ubasestep]
+ mov ds:dword ptr[_errorterm],ebx
+ add edi,edx
+ mov ds:dword ptr[_d_aspancount],edi
+LRightEdgeStepped:
+ cmp eax,1
+ jl LNextSpan
+ jz LExactlyOneLong
+ mov ecx,ds:dword ptr[_a_ststepxwhole]
+ mov edx,ds:dword ptr[_r_affinetridesc+8]
+ mov ds:dword ptr[advancetable+4],ecx
+ add ecx,edx
+ mov ds:dword ptr[advancetable],ecx
+ mov ecx,ds:dword ptr[_a_tstepxfrac]
+ mov cx,ds:word ptr[_r_lstepx]
+ mov edx,eax
+ mov ds:dword ptr[tstep],ecx
+ add edx,7
+ shr edx,3
+ mov ebx,ds:dword ptr[16+esi]
+ mov bx,dx
+ mov ecx,ds:dword ptr[4+esi]
+ neg eax
+ mov edi,ds:dword ptr[0+esi]
+ and eax,7
+ sub edi,eax
+ sub ecx,eax
+ sub ecx,eax
+ mov edx,ds:dword ptr[20+esi]
+ mov dx,ds:word ptr[24+esi]
+ mov ebp,ds:dword ptr[28+esi]
+ ror ebp,16
+ push esi
+ mov esi,ds:dword ptr[12+esi]
+ jmp dword ptr[aff8entryvec_table+eax*4]
+LDrawLoop:
+LDraw8:
+ cmp bp,ds:word ptr[ecx]
+ jl Lp1
+ xor eax,eax
+ mov ah,dh
+ mov al,ds:byte ptr[esi]
+ mov ds:word ptr[ecx],bp
+ mov al,ds:byte ptr[12345678h+eax]
+LPatch8:
+ mov ds:byte ptr[edi],al
+Lp1:
+ add edx,ds:dword ptr[tstep]
+ sbb eax,eax
+ add ebp,ds:dword ptr[lzistepx]
+ adc ebp,0
+ add ebx,ds:dword ptr[_a_sstepxfrac]
+ adc esi,ds:dword ptr[advancetable+4+eax*4]
+LDraw7:
+ cmp bp,ds:word ptr[2+ecx]
+ jl Lp2
+ xor eax,eax
+ mov ah,dh
+ mov al,ds:byte ptr[esi]
+ mov ds:word ptr[2+ecx],bp
+ mov al,ds:byte ptr[12345678h+eax]
+LPatch7:
+ mov ds:byte ptr[1+edi],al
+Lp2:
+ add edx,ds:dword ptr[tstep]
+ sbb eax,eax
+ add ebp,ds:dword ptr[lzistepx]
+ adc ebp,0
+ add ebx,ds:dword ptr[_a_sstepxfrac]
+ adc esi,ds:dword ptr[advancetable+4+eax*4]
+LDraw6:
+ cmp bp,ds:word ptr[4+ecx]
+ jl Lp3
+ xor eax,eax
+ mov ah,dh
+ mov al,ds:byte ptr[esi]
+ mov ds:word ptr[4+ecx],bp
+ mov al,ds:byte ptr[12345678h+eax]
+LPatch6:
+ mov ds:byte ptr[2+edi],al
+Lp3:
+ add edx,ds:dword ptr[tstep]
+ sbb eax,eax
+ add ebp,ds:dword ptr[lzistepx]
+ adc ebp,0
+ add ebx,ds:dword ptr[_a_sstepxfrac]
+ adc esi,ds:dword ptr[advancetable+4+eax*4]
+LDraw5:
+ cmp bp,ds:word ptr[6+ecx]
+ jl Lp4
+ xor eax,eax
+ mov ah,dh
+ mov al,ds:byte ptr[esi]
+ mov ds:word ptr[6+ecx],bp
+ mov al,ds:byte ptr[12345678h+eax]
+LPatch5:
+ mov ds:byte ptr[3+edi],al
+Lp4:
+ add edx,ds:dword ptr[tstep]
+ sbb eax,eax
+ add ebp,ds:dword ptr[lzistepx]
+ adc ebp,0
+ add ebx,ds:dword ptr[_a_sstepxfrac]
+ adc esi,ds:dword ptr[advancetable+4+eax*4]
+LDraw4:
+ cmp bp,ds:word ptr[8+ecx]
+ jl Lp5
+ xor eax,eax
+ mov ah,dh
+ mov al,ds:byte ptr[esi]
+ mov ds:word ptr[8+ecx],bp
+ mov al,ds:byte ptr[12345678h+eax]
+LPatch4:
+ mov ds:byte ptr[4+edi],al
+Lp5:
+ add edx,ds:dword ptr[tstep]
+ sbb eax,eax
+ add ebp,ds:dword ptr[lzistepx]
+ adc ebp,0
+ add ebx,ds:dword ptr[_a_sstepxfrac]
+ adc esi,ds:dword ptr[advancetable+4+eax*4]
+LDraw3:
+ cmp bp,ds:word ptr[10+ecx]
+ jl Lp6
+ xor eax,eax
+ mov ah,dh
+ mov al,ds:byte ptr[esi]
+ mov ds:word ptr[10+ecx],bp
+ mov al,ds:byte ptr[12345678h+eax]
+LPatch3:
+ mov ds:byte ptr[5+edi],al
+Lp6:
+ add edx,ds:dword ptr[tstep]
+ sbb eax,eax
+ add ebp,ds:dword ptr[lzistepx]
+ adc ebp,0
+ add ebx,ds:dword ptr[_a_sstepxfrac]
+ adc esi,ds:dword ptr[advancetable+4+eax*4]
+LDraw2:
+ cmp bp,ds:word ptr[12+ecx]
+ jl Lp7
+ xor eax,eax
+ mov ah,dh
+ mov al,ds:byte ptr[esi]
+ mov ds:word ptr[12+ecx],bp
+ mov al,ds:byte ptr[12345678h+eax]
+LPatch2:
+ mov ds:byte ptr[6+edi],al
+Lp7:
+ add edx,ds:dword ptr[tstep]
+ sbb eax,eax
+ add ebp,ds:dword ptr[lzistepx]
+ adc ebp,0
+ add ebx,ds:dword ptr[_a_sstepxfrac]
+ adc esi,ds:dword ptr[advancetable+4+eax*4]
+LDraw1:
+ cmp bp,ds:word ptr[14+ecx]
+ jl Lp8
+ xor eax,eax
+ mov ah,dh
+ mov al,ds:byte ptr[esi]
+ mov ds:word ptr[14+ecx],bp
+ mov al,ds:byte ptr[12345678h+eax]
+LPatch1:
+ mov ds:byte ptr[7+edi],al
+Lp8:
+ add edx,ds:dword ptr[tstep]
+ sbb eax,eax
+ add ebp,ds:dword ptr[lzistepx]
+ adc ebp,0
+ add ebx,ds:dword ptr[_a_sstepxfrac]
+ adc esi,ds:dword ptr[advancetable+4+eax*4]
+ add edi,8
+ add ecx,16
+ dec bx
+ jnz LDrawLoop
+ pop esi
+LNextSpan:
+ add esi,32
+LNextSpanESISet:
+ mov edx,ds:dword ptr[8+esi]
+ cmp edx,offset -999999
+ jnz LSpanLoop
+ pop edi
+ pop ebp
+ pop ebx
+ pop esi
+ ret
+LExactlyOneLong:
+ mov ecx,ds:dword ptr[4+esi]
+ mov ebp,ds:dword ptr[28+esi]
+ ror ebp,16
+ mov ebx,ds:dword ptr[12+esi]
+ cmp bp,ds:word ptr[ecx]
+ jl LNextSpan
+ xor eax,eax
+ mov edi,ds:dword ptr[0+esi]
+ mov ah,ds:byte ptr[24+1+esi]
+ add esi,32
+ mov al,ds:byte ptr[ebx]
+ mov ds:word ptr[ecx],bp
+ mov al,ds:byte ptr[12345678h+eax]
+LPatch9:
+ mov ds:byte ptr[edi],al
+ jmp LNextSpanESISet
+ public _D_PolysetAff8End
+_D_PolysetAff8End:
+ public _D_Aff8Patch
+_D_Aff8Patch:
+ mov eax,ds:dword ptr[4+esp]
+ mov ds:dword ptr[LPatch1-4],eax
+ mov ds:dword ptr[LPatch2-4],eax
+ mov ds:dword ptr[LPatch3-4],eax
+ mov ds:dword ptr[LPatch4-4],eax
+ mov ds:dword ptr[LPatch5-4],eax
+ mov ds:dword ptr[LPatch6-4],eax
+ mov ds:dword ptr[LPatch7-4],eax
+ mov ds:dword ptr[LPatch8-4],eax
+ mov ds:dword ptr[LPatch9-4],eax
+ ret
+ public _D_PolysetDraw
+_D_PolysetDraw:
+ sub esp,offset (((1024+1 + 1 + ((32 - 1) / 32)) + 1) * 32)
+ mov eax,esp
+ add eax,32 - 1
+ and eax,offset not (32 - 1)
+ mov ds:dword ptr[_a_spans],eax
+ mov eax,ds:dword ptr[_r_affinetridesc+28]
+ test eax,eax
+ jz _D_DrawNonSubdiv
+ push ebp
+ mov ebp,ds:dword ptr[_r_affinetridesc+24]
+ push esi
+ shl ebp,4
+ push ebx
+ mov ebx,ds:dword ptr[_r_affinetridesc+16]
+ push edi
+ mov edi,ds:dword ptr[_r_affinetridesc+20]
+Llooptop:
+ mov ecx,ds:dword ptr[4-16+0+ebx+ebp]
+ mov esi,ds:dword ptr[4-16+4+ebx+ebp]
+ shl ecx,5
+ mov edx,ds:dword ptr[4-16+8+ebx+ebp]
+ shl esi,5
+ add ecx,edi
+ shl edx,5
+ add esi,edi
+ add edx,edi
+ fild ds:dword ptr[0+4+ecx]
+ fild ds:dword ptr[0+4+esi]
+ fild ds:dword ptr[0+0+ecx]
+ fild ds:dword ptr[0+0+edx]
+ fxch st(2)
+ fsubr st(0),st(3)
+ fild ds:dword ptr[0+0+esi]
+ fxch st(2)
+ fsubr st(3),st(0)
+ fild ds:dword ptr[0+4+edx]
+ fxch st(1)
+ fsubrp st(3),st(0)
+ fxch st(1)
+ fmulp st(3),st(0)
+ fsubp st(3),st(0)
+ mov eax,ds:dword ptr[0+16+ecx]
+ and eax,0FF00h
+ fmulp st(2),st(0)
+ add eax,ds:dword ptr[_acolormap]
+ fsubrp st(1),st(0)
+ mov ds:dword ptr[_d_pcolormap],eax
+ fstp ds:dword ptr[Ltemp]
+ mov eax,ds:dword ptr[Ltemp]
+ sub eax,080000001h
+ jc Lskip
+ mov eax,ds:dword ptr[0-16+ebx+ebp]
+ test eax,eax
+ jz Lfacesback
+ push edx
+ push esi
+ push ecx
+ call near ptr _D_PolysetRecursiveTriangle
+ sub ebp,16
+ jnz Llooptop
+ jmp Ldone2
+Lfacesback:
+ mov eax,ds:dword ptr[0+8+ecx]
+ push eax
+ mov eax,ds:dword ptr[0+8+esi]
+ push eax
+ mov eax,ds:dword ptr[0+8+edx]
+ push eax
+ push ecx
+ push edx
+ mov eax,ds:dword ptr[_r_affinetridesc+32]
+ test ds:dword ptr[24+ecx],00020h
+ jz Lp11
+ add ds:dword ptr[0+8+ecx],eax
+Lp11:
+ test ds:dword ptr[24+esi],00020h
+ jz Lp12
+ add ds:dword ptr[0+8+esi],eax
+Lp12:
+ test ds:dword ptr[24+edx],00020h
+ jz Lp13
+ add ds:dword ptr[0+8+edx],eax
+Lp13:
+ push edx
+ push esi
+ push ecx
+ call near ptr _D_PolysetRecursiveTriangle
+ pop edx
+ pop ecx
+ pop eax
+ mov ds:dword ptr[0+8+edx],eax
+ pop eax
+ mov ds:dword ptr[0+8+esi],eax
+ pop eax
+ mov ds:dword ptr[0+8+ecx],eax
+Lskip:
+ sub ebp,16
+ jnz Llooptop
+Ldone2:
+ pop edi
+ pop ebx
+ pop esi
+ pop ebp
+ add esp,offset (((1024+1 + 1 + ((32 - 1) / 32)) + 1) * 32)
+ ret
+ public _D_PolysetScanLeftEdge
+_D_PolysetScanLeftEdge:
+ push ebp
+ push esi
+ push edi
+ push ebx
+ mov eax,ds:dword ptr[4+16+esp]
+ mov ecx,ds:dword ptr[_d_sfrac]
+ and eax,0FFFFh
+ mov ebx,ds:dword ptr[_d_ptex]
+ or ecx,eax
+ mov esi,ds:dword ptr[_d_pedgespanpackage]
+ mov edx,ds:dword ptr[_d_tfrac]
+ mov edi,ds:dword ptr[_d_light]
+ mov ebp,ds:dword ptr[_d_zi]
+LScanLoop:
+ mov ds:dword ptr[12+esi],ebx
+ mov eax,ds:dword ptr[_d_pdest]
+ mov ds:dword ptr[0+esi],eax
+ mov eax,ds:dword ptr[_d_pz]
+ mov ds:dword ptr[4+esi],eax
+ mov eax,ds:dword ptr[_d_aspancount]
+ mov ds:dword ptr[8+esi],eax
+ mov ds:dword ptr[24+esi],edi
+ mov ds:dword ptr[28+esi],ebp
+ mov ds:dword ptr[16+esi],ecx
+ mov ds:dword ptr[20+esi],edx
+ mov al,ds:byte ptr[32+esi]
+ add esi,32
+ mov eax,ds:dword ptr[_erroradjustup]
+ mov ds:dword ptr[_d_pedgespanpackage],esi
+ mov esi,ds:dword ptr[_errorterm]
+ add esi,eax
+ mov eax,ds:dword ptr[_d_pdest]
+ js LNoLeftEdgeTurnover
+ sub esi,ds:dword ptr[_erroradjustdown]
+ add eax,ds:dword ptr[_d_pdestextrastep]
+ mov ds:dword ptr[_errorterm],esi
+ mov ds:dword ptr[_d_pdest],eax
+ mov eax,ds:dword ptr[_d_pz]
+ mov esi,ds:dword ptr[_d_aspancount]
+ add eax,ds:dword ptr[_d_pzextrastep]
+ add ecx,ds:dword ptr[_d_sfracextrastep]
+ adc ebx,ds:dword ptr[_d_ptexextrastep]
+ add esi,ds:dword ptr[_d_countextrastep]
+ mov ds:dword ptr[_d_pz],eax
+ mov eax,ds:dword ptr[_d_tfracextrastep]
+ mov ds:dword ptr[_d_aspancount],esi
+ add edx,eax
+ jnc LSkip1
+ add ebx,ds:dword ptr[_r_affinetridesc+8]
+LSkip1:
+ add edi,ds:dword ptr[_d_lightextrastep]
+ add ebp,ds:dword ptr[_d_ziextrastep]
+ mov esi,ds:dword ptr[_d_pedgespanpackage]
+ dec ecx
+ test ecx,0FFFFh
+ jnz LScanLoop
+ pop ebx
+ pop edi
+ pop esi
+ pop ebp
+ ret
+LNoLeftEdgeTurnover:
+ mov ds:dword ptr[_errorterm],esi
+ add eax,ds:dword ptr[_d_pdestbasestep]
+ mov ds:dword ptr[_d_pdest],eax
+ mov eax,ds:dword ptr[_d_pz]
+ mov esi,ds:dword ptr[_d_aspancount]
+ add eax,ds:dword ptr[_d_pzbasestep]
+ add ecx,ds:dword ptr[_d_sfracbasestep]
+ adc ebx,ds:dword ptr[_d_ptexbasestep]
+ add esi,ds:dword ptr[_ubasestep]
+ mov ds:dword ptr[_d_pz],eax
+ mov ds:dword ptr[_d_aspancount],esi
+ mov esi,ds:dword ptr[_d_tfracbasestep]
+ add edx,esi
+ jnc LSkip2
+ add ebx,ds:dword ptr[_r_affinetridesc+8]
+LSkip2:
+ add edi,ds:dword ptr[_d_lightbasestep]
+ add ebp,ds:dword ptr[_d_zibasestep]
+ mov esi,ds:dword ptr[_d_pedgespanpackage]
+ dec ecx
+ test ecx,0FFFFh
+ jnz LScanLoop
+ pop ebx
+ pop edi
+ pop esi
+ pop ebp
+ ret
+ public _D_PolysetDrawFinalVerts
+_D_PolysetDrawFinalVerts:
+ push ebp
+ push ebx
+ mov ecx,ds:dword ptr[8+8+esp]
+ mov ebx,ds:dword ptr[4+8+esp]
+ push esi
+ push edi
+LFVLoop:
+ mov eax,ds:dword ptr[0+0+ebx]
+ mov edx,ds:dword ptr[_r_refdef+40]
+ cmp eax,edx
+ jge LNextVert
+ mov esi,ds:dword ptr[0+4+ebx]
+ mov edx,ds:dword ptr[_r_refdef+44]
+ cmp esi,edx
+ jge LNextVert
+ mov edi,ds:dword ptr[_zspantable+esi*4]
+ mov edx,ds:dword ptr[0+20+ebx]
+ shr edx,16
+ cmp dx,ds:word ptr[edi+eax*2]
+ jl LNextVert
+ mov ds:word ptr[edi+eax*2],dx
+ mov edi,ds:dword ptr[0+12+ebx]
+ shr edi,16
+ mov edi,ds:dword ptr[_skintable+edi*4]
+ mov edx,ds:dword ptr[0+8+ebx]
+ shr edx,16
+ mov dl,ds:byte ptr[edi+edx]
+ mov edi,ds:dword ptr[0+16+ebx]
+ and edi,0FF00h
+ and edx,000FFh
+ add edi,edx
+ mov edx,ds:dword ptr[_acolormap]
+ mov dl,ds:byte ptr[edx+edi*1]
+ mov edi,ds:dword ptr[_d_scantable+esi*4]
+ mov esi,ds:dword ptr[_d_viewbuffer]
+ add edi,eax
+ mov ds:byte ptr[esi+edi],dl
+LNextVert:
+ add ebx,32
+ dec ecx
+ jnz LFVLoop
+ pop edi
+ pop esi
+ pop ebx
+ pop ebp
+ ret
+ public _D_DrawNonSubdiv
+_D_DrawNonSubdiv:
+ push ebp
+ mov ebp,ds:dword ptr[_r_affinetridesc+24]
+ push ebx
+ shl ebp,4
+ push esi
+ mov esi,ds:dword ptr[_r_affinetridesc+16]
+ push edi
+LNDLoop:
+ mov edi,ds:dword ptr[_r_affinetridesc+20]
+ mov ecx,ds:dword ptr[4+0-16+esi+ebp*1]
+ shl ecx,5
+ mov edx,ds:dword ptr[4+4-16+esi+ebp*1]
+ shl edx,5
+ mov ebx,ds:dword ptr[4+8-16+esi+ebp*1]
+ shl ebx,5
+ add ecx,edi
+ add edx,edi
+ add ebx,edi
+ mov eax,ds:dword ptr[0+4+ecx]
+ mov esi,ds:dword ptr[0+0+ecx]
+ sub eax,ds:dword ptr[0+4+edx]
+ sub esi,ds:dword ptr[0+0+ebx]
+ imul eax,esi
+ mov esi,ds:dword ptr[0+0+ecx]
+ mov edi,ds:dword ptr[0+4+ecx]
+ sub esi,ds:dword ptr[0+0+edx]
+ sub edi,ds:dword ptr[0+4+ebx]
+ imul edi,esi
+ sub eax,edi
+ jns LNextTri
+ mov ds:dword ptr[_d_xdenom],eax
+ fild ds:dword ptr[_d_xdenom]
+ mov eax,ds:dword ptr[0+0+ecx]
+ mov esi,ds:dword ptr[0+4+ecx]
+ mov ds:dword ptr[_r_p0+0],eax
+ mov ds:dword ptr[_r_p0+4],esi
+ mov eax,ds:dword ptr[0+8+ecx]
+ mov esi,ds:dword ptr[0+12+ecx]
+ mov ds:dword ptr[_r_p0+8],eax
+ mov ds:dword ptr[_r_p0+12],esi
+ mov eax,ds:dword ptr[0+16+ecx]
+ mov esi,ds:dword ptr[0+20+ecx]
+ mov ds:dword ptr[_r_p0+16],eax
+ mov ds:dword ptr[_r_p0+20],esi
+ fdivr ds:dword ptr[float_1]
+ mov eax,ds:dword ptr[0+0+edx]
+ mov esi,ds:dword ptr[0+4+edx]
+ mov ds:dword ptr[_r_p1+0],eax
+ mov ds:dword ptr[_r_p1+4],esi
+ mov eax,ds:dword ptr[0+8+edx]
+ mov esi,ds:dword ptr[0+12+edx]
+ mov ds:dword ptr[_r_p1+8],eax
+ mov ds:dword ptr[_r_p1+12],esi
+ mov eax,ds:dword ptr[0+16+edx]
+ mov esi,ds:dword ptr[0+20+edx]
+ mov ds:dword ptr[_r_p1+16],eax
+ mov ds:dword ptr[_r_p1+20],esi
+ mov eax,ds:dword ptr[0+0+ebx]
+ mov esi,ds:dword ptr[0+4+ebx]
+ mov ds:dword ptr[_r_p2+0],eax
+ mov ds:dword ptr[_r_p2+4],esi
+ mov eax,ds:dword ptr[0+8+ebx]
+ mov esi,ds:dword ptr[0+12+ebx]
+ mov ds:dword ptr[_r_p2+8],eax
+ mov ds:dword ptr[_r_p2+12],esi
+ mov eax,ds:dword ptr[0+16+ebx]
+ mov esi,ds:dword ptr[0+20+ebx]
+ mov ds:dword ptr[_r_p2+16],eax
+ mov edi,ds:dword ptr[_r_affinetridesc+16]
+ mov ds:dword ptr[_r_p2+20],esi
+ mov eax,ds:dword ptr[0-16+edi+ebp*1]
+ test eax,eax
+ jnz LFacesFront
+ mov eax,ds:dword ptr[24+ecx]
+ mov esi,ds:dword ptr[24+edx]
+ mov edi,ds:dword ptr[24+ebx]
+ test eax,00020h
+ mov eax,ds:dword ptr[_r_affinetridesc+32]
+ jz LOnseamDone0
+ add ds:dword ptr[_r_p0+8],eax
+LOnseamDone0:
+ test esi,00020h
+ jz LOnseamDone1
+ add ds:dword ptr[_r_p1+8],eax
+LOnseamDone1:
+ test edi,00020h
+ jz LOnseamDone2
+ add ds:dword ptr[_r_p2+8],eax
+LOnseamDone2:
+LFacesFront:
+ fstp ds:dword ptr[_d_xdenom]
+ call near ptr _D_PolysetSetEdgeTable
+ call near ptr _D_RasterizeAliasPolySmooth
+LNextTri:
+ mov esi,ds:dword ptr[_r_affinetridesc+16]
+ sub ebp,16
+ jnz LNDLoop
+ pop edi
+ pop esi
+ pop ebx
+ pop ebp
+ add esp,offset (((1024+1 + 1 + ((32 - 1) / 32)) + 1) * 32)
+ ret
+_TEXT ENDS
+ END