Source to quakeworld/client/d_parta.asm
.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
_TEXT SEGMENT
align 4
public _D_DrawParticle
_D_DrawParticle:
push ebp
push edi
push ebx
mov edi,ds:dword ptr[12+4+esp]
fld ds:dword ptr[_r_origin]
fsubr ds:dword ptr[0+edi]
fld ds:dword ptr[0+4+edi]
fsub ds:dword ptr[_r_origin+4]
fld ds:dword ptr[0+8+edi]
fsub ds:dword ptr[_r_origin+8]
fxch st(2)
fld ds:dword ptr[_r_ppn]
fmul st(0),st(1)
fld ds:dword ptr[_r_ppn+4]
fmul st(0),st(3)
fld ds:dword ptr[_r_ppn+8]
fmul st(0),st(5)
fxch st(2)
faddp st(1),st(0)
faddp st(1),st(0)
fld st(0)
fdivr ds:dword ptr[float_1]
fxch st(1)
fcomp ds:dword ptr[float_particle_z_clip]
fxch st(3)
fld ds:dword ptr[_r_pup]
fmul st(0),st(2)
fld ds:dword ptr[_r_pup+4]
fnstsw ax
test ah,1
jnz LPop6AndDone
fmul st(0),st(4)
fld ds:dword ptr[_r_pup+8]
fmul st(0),st(3)
fxch st(2)
faddp st(1),st(0)
faddp st(1),st(0)
fxch st(3)
fmul ds:dword ptr[_r_pright+4]
fxch st(2)
fmul ds:dword ptr[_r_pright]
fxch st(1)
fmul ds:dword ptr[_r_pright+8]
fxch st(2)
faddp st(1),st(0)
faddp st(1),st(0)
fxch st(1)
fmul st(0),st(2)
fxch st(1)
fmul st(0),st(2)
fxch st(1)
fsubr ds:dword ptr[_ycenter]
fxch st(1)
fadd ds:dword ptr[_xcenter]
fxch st(1)
fadd ds:dword ptr[float_point5]
fxch st(1)
fadd ds:dword ptr[float_point5]
fxch st(2)
fmul ds:dword ptr[DP_32768]
fxch st(2)
fistp ds:dword ptr[DP_u]
fistp ds:dword ptr[DP_v]
mov eax,ds:dword ptr[DP_u]
mov edx,ds:dword ptr[DP_v]
mov ebx,ds:dword ptr[_d_vrectbottom_particle]
mov ecx,ds:dword ptr[_d_vrectright_particle]
cmp edx,ebx
jg LPop1AndDone
cmp eax,ecx
jg LPop1AndDone
mov ebx,ds:dword ptr[_d_vrecty]
mov ecx,ds:dword ptr[_d_vrectx]
cmp edx,ebx
jl LPop1AndDone
cmp eax,ecx
jl LPop1AndDone
fld ds:dword ptr[12+edi]
fistp ds:dword ptr[DP_Color]
mov ebx,ds:dword ptr[_d_viewbuffer]
add ebx,eax
mov edi,ds:dword ptr[_d_scantable+edx*4]
imul edx,ds:dword ptr[_d_zrowbytes]
lea edx,ds:dword ptr[edx+eax*2]
mov eax,ds:dword ptr[_d_pzbuffer]
fistp ds:dword ptr[izi]
add edi,ebx
add edx,eax
mov eax,ds:dword ptr[izi]
mov ecx,ds:dword ptr[_d_pix_shift]
shr eax,cl
mov ebp,ds:dword ptr[izi]
mov ebx,ds:dword ptr[_d_pix_min]
mov ecx,ds:dword ptr[_d_pix_max]
cmp eax,ebx
jnl LTestPixMax
mov eax,ebx
jmp LTestDone
LTestPixMax:
cmp eax,ecx
jng LTestDone
mov eax,ecx
LTestDone:
mov ch,ds:byte ptr[DP_Color]
mov ebx,ds:dword ptr[_d_y_aspect_shift]
test ebx,ebx
jnz LDefault
cmp eax,4
ja LDefault
jmp dword ptr[DP_EntryTable-4+eax*4]
public DP_1x1
DP_1x1:
cmp ds:word ptr[edx],bp
jg LDone
mov ds:word ptr[edx],bp
mov ds:byte ptr[edi],ch
jmp LDone
public DP_2x2
DP_2x2:
push esi
mov ebx,ds:dword ptr[_screenwidth]
mov esi,ds:dword ptr[_d_zrowbytes]
cmp ds:word ptr[edx],bp
jg L2x2_1
mov ds:word ptr[edx],bp
mov ds:byte ptr[edi],ch
L2x2_1:
cmp ds:word ptr[2+edx],bp
jg L2x2_2
mov ds:word ptr[2+edx],bp
mov ds:byte ptr[1+edi],ch
L2x2_2:
cmp ds:word ptr[edx+esi*1],bp
jg L2x2_3
mov ds:word ptr[edx+esi*1],bp
mov ds:byte ptr[edi+ebx*1],ch
L2x2_3:
cmp ds:word ptr[2+edx+esi*1],bp
jg L2x2_4
mov ds:word ptr[2+edx+esi*1],bp
mov ds:byte ptr[1+edi+ebx*1],ch
L2x2_4:
pop esi
jmp LDone
public DP_3x3
DP_3x3:
push esi
mov ebx,ds:dword ptr[_screenwidth]
mov esi,ds:dword ptr[_d_zrowbytes]
cmp ds:word ptr[edx],bp
jg L3x3_1
mov ds:word ptr[edx],bp
mov ds:byte ptr[edi],ch
L3x3_1:
cmp ds:word ptr[2+edx],bp
jg L3x3_2
mov ds:word ptr[2+edx],bp
mov ds:byte ptr[1+edi],ch
L3x3_2:
cmp ds:word ptr[4+edx],bp
jg L3x3_3
mov ds:word ptr[4+edx],bp
mov ds:byte ptr[2+edi],ch
L3x3_3:
cmp ds:word ptr[edx+esi*1],bp
jg L3x3_4
mov ds:word ptr[edx+esi*1],bp
mov ds:byte ptr[edi+ebx*1],ch
L3x3_4:
cmp ds:word ptr[2+edx+esi*1],bp
jg L3x3_5
mov ds:word ptr[2+edx+esi*1],bp
mov ds:byte ptr[1+edi+ebx*1],ch
L3x3_5:
cmp ds:word ptr[4+edx+esi*1],bp
jg L3x3_6
mov ds:word ptr[4+edx+esi*1],bp
mov ds:byte ptr[2+edi+ebx*1],ch
L3x3_6:
cmp ds:word ptr[edx+esi*2],bp
jg L3x3_7
mov ds:word ptr[edx+esi*2],bp
mov ds:byte ptr[edi+ebx*2],ch
L3x3_7:
cmp ds:word ptr[2+edx+esi*2],bp
jg L3x3_8
mov ds:word ptr[2+edx+esi*2],bp
mov ds:byte ptr[1+edi+ebx*2],ch
L3x3_8:
cmp ds:word ptr[4+edx+esi*2],bp
jg L3x3_9
mov ds:word ptr[4+edx+esi*2],bp
mov ds:byte ptr[2+edi+ebx*2],ch
L3x3_9:
pop esi
jmp LDone
public DP_4x4
DP_4x4:
push esi
mov ebx,ds:dword ptr[_screenwidth]
mov esi,ds:dword ptr[_d_zrowbytes]
cmp ds:word ptr[edx],bp
jg L4x4_1
mov ds:word ptr[edx],bp
mov ds:byte ptr[edi],ch
L4x4_1:
cmp ds:word ptr[2+edx],bp
jg L4x4_2
mov ds:word ptr[2+edx],bp
mov ds:byte ptr[1+edi],ch
L4x4_2:
cmp ds:word ptr[4+edx],bp
jg L4x4_3
mov ds:word ptr[4+edx],bp
mov ds:byte ptr[2+edi],ch
L4x4_3:
cmp ds:word ptr[6+edx],bp
jg L4x4_4
mov ds:word ptr[6+edx],bp
mov ds:byte ptr[3+edi],ch
L4x4_4:
cmp ds:word ptr[edx+esi*1],bp
jg L4x4_5
mov ds:word ptr[edx+esi*1],bp
mov ds:byte ptr[edi+ebx*1],ch
L4x4_5:
cmp ds:word ptr[2+edx+esi*1],bp
jg L4x4_6
mov ds:word ptr[2+edx+esi*1],bp
mov ds:byte ptr[1+edi+ebx*1],ch
L4x4_6:
cmp ds:word ptr[4+edx+esi*1],bp
jg L4x4_7
mov ds:word ptr[4+edx+esi*1],bp
mov ds:byte ptr[2+edi+ebx*1],ch
L4x4_7:
cmp ds:word ptr[6+edx+esi*1],bp
jg L4x4_8
mov ds:word ptr[6+edx+esi*1],bp
mov ds:byte ptr[3+edi+ebx*1],ch
L4x4_8:
lea edx,ds:dword ptr[edx+esi*2]
lea edi,ds:dword ptr[edi+ebx*2]
cmp ds:word ptr[edx],bp
jg L4x4_9
mov ds:word ptr[edx],bp
mov ds:byte ptr[edi],ch
L4x4_9:
cmp ds:word ptr[2+edx],bp
jg L4x4_10
mov ds:word ptr[2+edx],bp
mov ds:byte ptr[1+edi],ch
L4x4_10:
cmp ds:word ptr[4+edx],bp
jg L4x4_11
mov ds:word ptr[4+edx],bp
mov ds:byte ptr[2+edi],ch
L4x4_11:
cmp ds:word ptr[6+edx],bp
jg L4x4_12
mov ds:word ptr[6+edx],bp
mov ds:byte ptr[3+edi],ch
L4x4_12:
cmp ds:word ptr[edx+esi*1],bp
jg L4x4_13
mov ds:word ptr[edx+esi*1],bp
mov ds:byte ptr[edi+ebx*1],ch
L4x4_13:
cmp ds:word ptr[2+edx+esi*1],bp
jg L4x4_14
mov ds:word ptr[2+edx+esi*1],bp
mov ds:byte ptr[1+edi+ebx*1],ch
L4x4_14:
cmp ds:word ptr[4+edx+esi*1],bp
jg L4x4_15
mov ds:word ptr[4+edx+esi*1],bp
mov ds:byte ptr[2+edi+ebx*1],ch
L4x4_15:
cmp ds:word ptr[6+edx+esi*1],bp
jg L4x4_16
mov ds:word ptr[6+edx+esi*1],bp
mov ds:byte ptr[3+edi+ebx*1],ch
L4x4_16:
pop esi
jmp LDone
LDefault:
mov ebx,eax
mov ds:dword ptr[DP_Pix],eax
mov cl,ds:byte ptr[_d_y_aspect_shift]
shl ebx,cl
LGenRowLoop:
mov eax,ds:dword ptr[DP_Pix]
LGenColLoop:
cmp ds:word ptr[-2+edx+eax*2],bp
jg LGSkip
mov ds:word ptr[-2+edx+eax*2],bp
mov ds:byte ptr[-1+edi+eax*1],ch
LGSkip:
dec eax
jnz LGenColLoop
add edx,ds:dword ptr[_d_zrowbytes]
add edi,ds:dword ptr[_screenwidth]
dec ebx
jnz LGenRowLoop
LDone:
pop ebx
pop edi
pop ebp
ret
LPop6AndDone:
fstp st(0)
fstp st(0)
fstp st(0)
fstp st(0)
fstp st(0)
LPop1AndDone:
fstp st(0)
jmp LDone
_TEXT ENDS
END