441 lines
11 KiB
NASM
441 lines
11 KiB
NASM
.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
|
|
externdef _transTable:dword
|
|
_TEXT SEGMENT
|
|
align 4
|
|
public _D_DrawParticle1x1b
|
|
_D_DrawParticle1x1b:
|
|
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 cx,ds:word ptr[DP_Color] ; get color
|
|
mov ebx,ds:dword ptr[_d_y_aspect_shift]
|
|
test ebx,ebx
|
|
jnz LDefault
|
|
cmp eax,4
|
|
ja LDefault
|
|
public DP_1x1b
|
|
DP_1x1b:
|
|
cmp ds:word ptr[edx],bp
|
|
jg LDone
|
|
; mov ds:word ptr[edx],bp
|
|
test ch,ch
|
|
jnz Trans
|
|
mov ds:byte ptr[edi],cl
|
|
jmp LDone
|
|
Trans:
|
|
and ecx, 0ffh
|
|
mov ch, cl
|
|
mov eax, ds:dword ptr[_transTable]
|
|
mov cl, ds:byte ptr[edi]
|
|
mov cl, ds:byte ptr[eax+ecx]
|
|
mov ds:byte ptr[edi], cl
|
|
jmp LDone
|
|
|
|
|
|
LDefault:
|
|
test ch,ch
|
|
jnz LTDefault
|
|
|
|
mov ebx,eax
|
|
mov ds:dword ptr[DP_Pix],eax
|
|
push cx
|
|
mov cl,ds:byte ptr[_d_y_aspect_shift]
|
|
shl ebx,cl
|
|
pop cx
|
|
|
|
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],cl
|
|
LGSkip:
|
|
dec eax
|
|
jnz LGenColLoop
|
|
add edx,ds:dword ptr[_d_zrowbytes]
|
|
add edi,ds:dword ptr[_screenwidth]
|
|
dec ebx
|
|
jnz LGenRowLoop
|
|
jmp LDone
|
|
|
|
LTDefault:
|
|
push esi
|
|
and ecx, 0ffh
|
|
mov ch, cl
|
|
mov esi, ds:dword ptr[_transTable]
|
|
|
|
mov ebx,eax
|
|
mov ds:dword ptr[DP_Pix],eax
|
|
mov cl,ds:byte ptr[_d_y_aspect_shift]
|
|
shl ebx,cl
|
|
|
|
LTGenRowLoop:
|
|
mov eax,ds:dword ptr[DP_Pix]
|
|
LTGenColLoop:
|
|
cmp ds:word ptr[-2+edx+eax*2],bp
|
|
jg LTGSkip
|
|
mov ds:word ptr[-2+edx+eax*2],bp
|
|
|
|
mov cl, ds:byte ptr[-1+edi+eax*1]
|
|
mov cl, ds:byte ptr[esi+ecx]
|
|
mov ds:byte ptr[-1+edi+eax*1],cl
|
|
|
|
LTGSkip:
|
|
dec eax
|
|
jnz LTGenColLoop
|
|
add edx,ds:dword ptr[_d_zrowbytes]
|
|
add edi,ds:dword ptr[_screenwidth]
|
|
dec ebx
|
|
jnz LTGenRowLoop
|
|
|
|
pop esi
|
|
|
|
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
|