1166 lines
28 KiB
NASM
1166 lines
28 KiB
NASM
.386P
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.model FLAT
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externdef _d_zistepu:dword
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externdef _d_pzbuffer:dword
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externdef _d_zistepv:dword
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externdef _d_zrowbytes:dword
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externdef _d_ziorigin:dword
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externdef _r_turb_s:dword
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externdef _r_turb_t:dword
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externdef _r_turb_pdest:dword
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externdef _r_turb_spancount:dword
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externdef _r_turb_turb:dword
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externdef _r_turb_pbase:dword
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externdef _r_turb_sstep:dword
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externdef _r_turb_tstep:dword
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externdef _r_bmodelactive:dword
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externdef _d_sdivzstepu:dword
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externdef _d_tdivzstepu:dword
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externdef _d_sdivzstepv:dword
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externdef _d_tdivzstepv:dword
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externdef _d_sdivzorigin:dword
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externdef _d_tdivzorigin:dword
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externdef _sadjust:dword
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externdef _tadjust:dword
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externdef _bbextents:dword
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externdef _bbextentt:dword
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externdef _cacheblock:dword
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externdef _d_viewbuffer:dword
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externdef _cachewidth:dword
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externdef _d_pzbuffer:dword
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externdef _d_zrowbytes:dword
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externdef _d_zwidth:dword
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externdef _d_scantable:dword
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externdef _r_lightptr:dword
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externdef _r_numvblocks:dword
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externdef _prowdestbase:dword
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externdef _pbasesource:dword
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externdef _r_lightwidth:dword
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externdef _lightright:dword
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externdef _lightrightstep:dword
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externdef _lightdeltastep:dword
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externdef _lightdelta:dword
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externdef _lightright:dword
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externdef _lightdelta:dword
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externdef _sourcetstep:dword
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externdef _surfrowbytes:dword
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externdef _lightrightstep:dword
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externdef _lightdeltastep:dword
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externdef _r_sourcemax:dword
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externdef _r_stepback:dword
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externdef _colormap:dword
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externdef _blocksize:dword
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externdef _sourcesstep:dword
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externdef _lightleft:dword
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externdef _blockdivshift:dword
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externdef _blockdivmask:dword
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externdef _lightleftstep:dword
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externdef _r_origin:dword
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externdef _r_ppn:dword
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externdef _r_pup:dword
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externdef _r_pright:dword
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externdef _ycenter:dword
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externdef _xcenter:dword
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externdef _d_vrectbottom_particle:dword
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externdef _d_vrectright_particle:dword
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externdef _d_vrecty:dword
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externdef _d_vrectx:dword
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externdef _d_pix_shift:dword
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externdef _d_pix_min:dword
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externdef _d_pix_max:dword
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externdef _d_y_aspect_shift:dword
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externdef _screenwidth:dword
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externdef _r_leftclipped:dword
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externdef _r_leftenter:dword
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externdef _r_rightclipped:dword
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externdef _r_rightenter:dword
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externdef _modelorg:dword
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externdef _xscale:dword
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externdef _r_refdef:dword
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externdef _yscale:dword
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externdef _r_leftexit:dword
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externdef _r_rightexit:dword
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externdef _r_lastvertvalid:dword
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externdef _cacheoffset:dword
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externdef _newedges:dword
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externdef _removeedges:dword
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externdef _r_pedge:dword
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externdef _r_framecount:dword
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externdef _r_u1:dword
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externdef _r_emitted:dword
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externdef _edge_p:dword
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externdef _surface_p:dword
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externdef _surfaces:dword
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externdef _r_lzi1:dword
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externdef _r_v1:dword
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externdef _r_ceilv1:dword
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externdef _r_nearzi:dword
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externdef _r_nearzionly:dword
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externdef _edge_aftertail:dword
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externdef _edge_tail:dword
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externdef _current_iv:dword
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externdef _edge_head_u_shift20:dword
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externdef _span_p:dword
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externdef _edge_head:dword
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externdef _fv:dword
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externdef _edge_tail_u_shift20:dword
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externdef _r_apverts:dword
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externdef _r_anumverts:dword
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externdef _aliastransform:dword
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externdef _r_avertexnormals:dword
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externdef _r_plightvec:dword
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externdef _r_ambientlight:dword
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externdef _r_shadelight:dword
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externdef _aliasxcenter:dword
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externdef _aliasycenter:dword
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externdef _a_sstepxfrac:dword
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externdef _r_affinetridesc:dword
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externdef _acolormap:dword
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externdef _d_pcolormap:dword
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externdef _r_affinetridesc:dword
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externdef _d_sfrac:dword
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externdef _d_ptex:dword
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externdef _d_pedgespanpackage:dword
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externdef _d_tfrac:dword
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externdef _d_light:dword
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externdef _d_zi:dword
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externdef _d_pdest:dword
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externdef _d_pz:dword
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externdef _d_aspancount:dword
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externdef _erroradjustup:dword
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externdef _errorterm:dword
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externdef _d_xdenom:dword
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externdef _r_p0:dword
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externdef _r_p1:dword
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externdef _r_p2:dword
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externdef _a_tstepxfrac:dword
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externdef _r_sstepx:dword
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externdef _r_tstepx:dword
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externdef _a_ststepxwhole:dword
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externdef _zspantable:dword
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externdef _skintable:dword
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externdef _r_zistepx:dword
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externdef _erroradjustdown:dword
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externdef _d_countextrastep:dword
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externdef _ubasestep:dword
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externdef _a_ststepxwhole:dword
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externdef _a_tstepxfrac:dword
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externdef _r_lstepx:dword
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externdef _a_spans:dword
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externdef _erroradjustdown:dword
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externdef _d_pdestextrastep:dword
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externdef _d_pzextrastep:dword
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externdef _d_sfracextrastep:dword
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externdef _d_ptexextrastep:dword
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externdef _d_countextrastep:dword
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externdef _d_tfracextrastep:dword
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externdef _d_lightextrastep:dword
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externdef _d_ziextrastep:dword
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externdef _d_pdestbasestep:dword
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externdef _d_pzbasestep:dword
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externdef _d_sfracbasestep:dword
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externdef _d_ptexbasestep:dword
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externdef _ubasestep:dword
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externdef _d_tfracbasestep:dword
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externdef _d_lightbasestep:dword
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externdef _d_zibasestep:dword
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externdef _zspantable:dword
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externdef _r_lstepy:dword
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externdef _r_sstepy:dword
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externdef _r_tstepy:dword
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externdef _r_zistepy:dword
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externdef _D_PolysetSetEdgeTable:dword
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externdef _D_RasterizeAliasPolySmooth:dword
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externdef float_point5:dword
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externdef Float2ToThe31nd:dword
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externdef izistep:dword
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externdef izi:dword
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externdef FloatMinus2ToThe31nd:dword
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externdef float_1:dword
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externdef float_particle_z_clip:dword
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externdef float_minus_1:dword
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externdef float_0:dword
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externdef fp_16:dword
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externdef fp_64k:dword
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externdef fp_1m:dword
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externdef fp_1m_minus_1:dword
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externdef fp_8:dword
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externdef entryvec_table:dword
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externdef advancetable:dword
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externdef sstep:dword
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externdef tstep:dword
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externdef pspantemp:dword
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externdef counttemp:dword
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externdef jumptemp:dword
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externdef reciprocal_table:dword
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externdef DP_Count:dword
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externdef DP_u:dword
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externdef DP_v:dword
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externdef DP_32768:dword
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externdef DP_Color:dword
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externdef DP_Pix:dword
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externdef DP_EntryTable:dword
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externdef pbase:dword
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externdef s:dword
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externdef t:dword
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externdef sfracf:dword
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externdef tfracf:dword
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externdef snext:dword
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externdef tnext:dword
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externdef spancountminus1:dword
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externdef zi16stepu:dword
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externdef sdivz16stepu:dword
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externdef tdivz16stepu:dword
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externdef zi8stepu:dword
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externdef sdivz8stepu:dword
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externdef tdivz8stepu:dword
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externdef reciprocal_table_16:dword
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externdef entryvec_table_16:dword
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externdef ceil_cw:dword
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externdef single_cw:dword
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externdef fp_64kx64k:dword
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externdef pz:dword
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externdef spr8entryvec_table:dword
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externdef _snd_scaletable:dword
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externdef _paintbuffer:dword
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externdef _snd_linear_count:dword
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externdef _snd_p:dword
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externdef _snd_vol:dword
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externdef _snd_out:dword
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externdef _vright:dword
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externdef _vup:dword
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externdef _vpn:dword
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externdef _BOPS_Error:dword
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_DATA SEGMENT
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align 4
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p10_minus_p20 dd 0
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p01_minus_p21 dd 0
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temp0 dd 0
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temp1 dd 0
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Ltemp dd 0
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aff8entryvec_table dd LDraw8, LDraw7, LDraw6, LDraw5
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dd LDraw4, LDraw3, LDraw2, LDraw1
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lzistepx dd 0
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_DATA ENDS
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_TEXT SEGMENT
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externdef _D_PolysetSetEdgeTable:dword
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externdef _D_RasterizeAliasPolySmooth:dword
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public _D_PolysetCalcGradientsT3
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_D_PolysetCalcGradientsT3:
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fild ds:dword ptr[_r_p0+0]
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fild ds:dword ptr[_r_p2+0]
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fild ds:dword ptr[_r_p0+4]
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fild ds:dword ptr[_r_p2+4]
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fild ds:dword ptr[_r_p1+0]
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fild ds:dword ptr[_r_p1+4]
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fxch st(3)
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fsub st(0),st(2)
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fxch st(1)
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fsub st(0),st(4)
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fxch st(5)
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fsubrp st(4),st(0)
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fxch st(2)
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fsubrp st(1),st(0)
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fxch st(1)
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fld ds:dword ptr[_d_xdenom]
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fxch st(4)
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fstp ds:dword ptr[p10_minus_p20]
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fstp ds:dword ptr[p01_minus_p21]
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fxch st(2)
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fild ds:dword ptr[_r_p2+16]
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fild ds:dword ptr[_r_p0+16]
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fild ds:dword ptr[_r_p1+16]
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fxch st(2)
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fld st(0)
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fsubp st(2),st(0)
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fsubp st(2),st(0)
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fld st(0)
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fmul st(0),st(5)
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fxch st(2)
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fld st(0)
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fmul ds:dword ptr[p01_minus_p21]
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fxch st(2)
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fmul ds:dword ptr[p10_minus_p20]
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fxch st(1)
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fmul st(0),st(5)
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fxch st(2)
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fsubrp st(3),st(0)
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fsubp st(1),st(0)
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fld st(2)
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fmul ds:dword ptr[float_minus_1]
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fxch st(2)
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fmul st(0),st(3)
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fxch st(1)
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fmul st(0),st(2)
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fldcw ds:word ptr[ceil_cw]
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fistp ds:dword ptr[_r_lstepy]
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fistp ds:dword ptr[_r_lstepx]
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fldcw ds:word ptr[single_cw]
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fild ds:dword ptr[_r_p2+8]
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fild ds:dword ptr[_r_p0+8]
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fild ds:dword ptr[_r_p1+8]
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fxch st(2)
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fld st(0)
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fsubp st(2),st(0)
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fsubp st(2),st(0)
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fld st(0)
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fmul st(0),st(6)
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fxch st(2)
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fld st(0)
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fmul ds:dword ptr[p01_minus_p21]
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fxch st(2)
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fmul ds:dword ptr[p10_minus_p20]
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fxch st(1)
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fmul st(0),st(6)
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fxch st(2)
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fsubrp st(3),st(0)
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fsubp st(1),st(0)
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fmul st(0),st(2)
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fxch st(1)
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fmul st(0),st(3)
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fxch st(1)
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fistp ds:dword ptr[_r_sstepy]
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fistp ds:dword ptr[_r_sstepx]
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fild ds:dword ptr[_r_p2+12]
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fild ds:dword ptr[_r_p0+12]
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fild ds:dword ptr[_r_p1+12]
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fxch st(2)
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fld st(0)
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fsubp st(2),st(0)
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fsubp st(2),st(0)
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fld st(0)
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fmul st(0),st(6)
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fxch st(2)
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fld st(0)
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fmul ds:dword ptr[p01_minus_p21]
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fxch st(2)
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fmul ds:dword ptr[p10_minus_p20]
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fxch st(1)
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fmul st(0),st(6)
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fxch st(2)
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fsubrp st(3),st(0)
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fsubp st(1),st(0)
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fmul st(0),st(2)
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fxch st(1)
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fmul st(0),st(3)
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fxch st(1)
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fistp ds:dword ptr[_r_tstepy]
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fistp ds:dword ptr[_r_tstepx]
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fild ds:dword ptr[_r_p2+20]
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fild ds:dword ptr[_r_p0+20]
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fild ds:dword ptr[_r_p1+20]
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fxch st(2)
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fld st(0)
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fsubp st(2),st(0)
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fsubp st(2),st(0)
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fld st(0)
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fmulp st(6),st(0)
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fxch st(1)
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fld st(0)
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fmul ds:dword ptr[p01_minus_p21]
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fxch st(2)
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fmul ds:dword ptr[p10_minus_p20]
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fxch st(1)
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fmulp st(5),st(0)
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fxch st(5)
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fsubp st(1),st(0)
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fxch st(3)
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fsubrp st(4),st(0)
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fxch st(1)
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fmulp st(2),st(0)
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fmulp st(2),st(0)
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fistp ds:dword ptr[_r_zistepx]
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fistp ds:dword ptr[_r_zistepy]
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mov eax,ds:dword ptr[_r_sstepx]
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mov edx,ds:dword ptr[_r_tstepx]
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shl eax,16
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shl edx,16
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mov ds:dword ptr[_a_sstepxfrac],eax
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mov ds:dword ptr[_a_tstepxfrac],edx
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mov ecx,ds:dword ptr[_r_sstepx]
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mov eax,ds:dword ptr[_r_tstepx]
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sar ecx,16
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sar eax,16
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imul ds:dword ptr[4+0+esp]
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add eax,ecx
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mov ds:dword ptr[_a_ststepxwhole],eax
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ret
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public _D_PolysetRecursiveTriangleT3
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_D_PolysetRecursiveTriangleT3:
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push ebp
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push esi
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push edi
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push ebx
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mov esi,ds:dword ptr[8+16+esp]
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mov ebx,ds:dword ptr[4+16+esp]
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mov edi,ds:dword ptr[12+16+esp]
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mov eax,ds:dword ptr[0+esi]
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mov edx,ds:dword ptr[0+ebx]
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mov ebp,ds:dword ptr[4+esi]
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sub eax,edx
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mov ecx,ds:dword ptr[4+ebx]
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sub ebp,ecx
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inc eax
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cmp eax,2
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ja LSplit
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mov eax,ds:dword ptr[0+edi]
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inc ebp
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cmp ebp,2
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ja LSplit
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mov edx,ds:dword ptr[0+esi]
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mov ebp,ds:dword ptr[4+edi]
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sub eax,edx
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mov ecx,ds:dword ptr[4+esi]
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sub ebp,ecx
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inc eax
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cmp eax,2
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ja LSplit2
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mov eax,ds:dword ptr[0+ebx]
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inc ebp
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cmp ebp,2
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ja LSplit2
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mov edx,ds:dword ptr[0+edi]
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mov ebp,ds:dword ptr[4+ebx]
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sub eax,edx
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mov ecx,ds:dword ptr[4+edi]
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sub ebp,ecx
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inc eax
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inc ebp
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mov edx,ebx
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cmp eax,2
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ja LSplit3
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cmp ebp,2
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jna LDone
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LSplit3:
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mov ebx,edi
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mov edi,esi
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mov esi,edx
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jmp LSplit
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LSplit2:
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mov eax,ebx
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mov ebx,esi
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mov esi,edi
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mov edi,eax
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LSplit:
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sub esp,24
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mov eax,ds:dword ptr[8+ebx]
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mov edx,ds:dword ptr[8+esi]
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mov ecx,ds:dword ptr[12+ebx]
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add eax,edx
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mov edx,ds:dword ptr[12+esi]
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sar eax,1
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add ecx,edx
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mov ds:dword ptr[8+esp],eax
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mov eax,ds:dword ptr[20+ebx]
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sar ecx,1
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mov edx,ds:dword ptr[20+esi]
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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]
|
|
or cl,cl
|
|
jz Skip1B ; color 0 = no draw
|
|
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
|
|
Skip1B:
|
|
LNoDraw:
|
|
push esp
|
|
push ebx
|
|
push edi
|
|
call near ptr _D_PolysetRecursiveTriangleT3
|
|
mov ebx,esp
|
|
push esi
|
|
push ebx
|
|
push edi
|
|
call near ptr _D_PolysetRecursiveTriangleT3
|
|
add esp,24
|
|
LDone:
|
|
pop ebx
|
|
pop edi
|
|
pop esi
|
|
pop ebp
|
|
ret 12
|
|
public _D_PolysetAff8StartT3
|
|
_D_PolysetAff8StartT3:
|
|
public _D_PolysetDrawSpans8T3
|
|
_D_PolysetDrawSpans8T3:
|
|
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]
|
|
or al,al
|
|
jz SkipA2 ; color 0 = no draw
|
|
mov ds:word ptr[ecx],bp
|
|
mov al,ds:byte ptr[12345678h+eax]
|
|
LPatch8:
|
|
mov ds:byte ptr[edi],al
|
|
SkipA2:
|
|
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]
|
|
or al,al
|
|
jz SkipB2 ; color 0 = no draw
|
|
mov ds:word ptr[2+ecx],bp
|
|
mov al,ds:byte ptr[12345678h+eax]
|
|
LPatch7:
|
|
mov ds:byte ptr[1+edi],al
|
|
SkipB2:
|
|
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]
|
|
or al,al
|
|
jz SkipC2 ; color 0 = no draw
|
|
mov ds:word ptr[4+ecx],bp
|
|
mov al,ds:byte ptr[12345678h+eax]
|
|
LPatch6:
|
|
mov ds:byte ptr[2+edi],al
|
|
SkipC2:
|
|
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]
|
|
or al,al
|
|
jz SkipD2 ; color 0 = no draw
|
|
mov ds:word ptr[6+ecx],bp
|
|
mov al,ds:byte ptr[12345678h+eax]
|
|
LPatch5:
|
|
mov ds:byte ptr[3+edi],al
|
|
SkipD2:
|
|
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]
|
|
or al,al
|
|
jz SkipE2 ; color 0 = no draw
|
|
mov ds:word ptr[8+ecx],bp
|
|
mov al,ds:byte ptr[12345678h+eax]
|
|
LPatch4:
|
|
mov ds:byte ptr[4+edi],al
|
|
SkipE2:
|
|
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]
|
|
or al,al
|
|
jz SkipF2 ; color 0 = no draw
|
|
mov ds:word ptr[10+ecx],bp
|
|
mov al,ds:byte ptr[12345678h+eax]
|
|
LPatch3:
|
|
mov ds:byte ptr[5+edi],al
|
|
SkipF2:
|
|
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]
|
|
or al,al
|
|
jz SkipG2 ; color 0 = no draw
|
|
mov ds:word ptr[12+ecx],bp
|
|
mov al,ds:byte ptr[12345678h+eax]
|
|
LPatch2:
|
|
mov ds:byte ptr[6+edi],al
|
|
SkipG2:
|
|
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]
|
|
or al,al
|
|
jz SkipH2 ; color 0 = no draw
|
|
mov ds:word ptr[14+ecx],bp
|
|
mov al,ds:byte ptr[12345678h+eax]
|
|
LPatch1:
|
|
mov ds:byte ptr[7+edi],al
|
|
SkipH2:
|
|
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]
|
|
or al,al
|
|
jz SkipI2 ; color 0 = no draw
|
|
mov ds:word ptr[ecx],bp
|
|
mov al,ds:byte ptr[12345678h+eax]
|
|
LPatch9:
|
|
mov ds:byte ptr[edi],al
|
|
SkipI2:
|
|
jmp LNextSpanESISet
|
|
public _D_PolysetAff8EndT3
|
|
_D_PolysetAff8EndT3:
|
|
public _D_Aff8PatchT3
|
|
_D_Aff8PatchT3:
|
|
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_PolysetDrawT3
|
|
_D_PolysetDrawT3:
|
|
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_DrawNonSubdivT3
|
|
; 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:
|
|
xor ecx,ecx
|
|
xor esi,esi
|
|
xor edx,edx
|
|
mov cx,word ptr[4+0+ebx]
|
|
mov si,word ptr[4+2+ebx]
|
|
mov dx,word ptr[4+4+ebx]
|
|
shl ecx,5
|
|
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+ebx]
|
|
test eax,eax
|
|
jz Lfacesback
|
|
push edx
|
|
push esi
|
|
push ecx
|
|
call near ptr _D_PolysetRecursiveTriangleT3
|
|
; 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_PolysetRecursiveTriangleT3
|
|
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_PolysetScanLeftEdgeT3
|
|
_D_PolysetScanLeftEdgeT3:
|
|
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
|
|
|
|
_L_PDFVertT3:
|
|
push esi
|
|
push edi
|
|
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]
|
|
or dl,dl
|
|
jz Skip2B ; color 0 = no draw
|
|
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
|
|
Skip2B:
|
|
LNextVert:
|
|
pop edi
|
|
pop esi
|
|
ret
|
|
|
|
public _D_PolysetDrawFinalVertsT3
|
|
_D_PolysetDrawFinalVertsT3:
|
|
push ebp
|
|
push ebx
|
|
mov ebx,dword ptr[4+8+esp] ;pv1
|
|
call _L_PDFVertT3
|
|
mov ebx,dword ptr[8+8+esp] ;pv2
|
|
call _L_PDFVertT3
|
|
mov ebx,dword ptr[12+8+esp];pv3
|
|
call _L_PDFVertT3
|
|
pop ebx
|
|
pop ebp
|
|
ret
|
|
|
|
public _D_DrawNonSubdivT3
|
|
_D_DrawNonSubdivT3:
|
|
; 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]
|
|
xor ecx,ecx; //clear i1
|
|
xor edx,edx; //clear i2
|
|
xor ebx,ebx; //clear i3
|
|
mov cx, word ptr[4+0+esi] ;ptri->vertindex[0]
|
|
mov dx, word ptr[4+2+esi] ;ptri->vertindex[1]
|
|
mov bx, word ptr[4+4+esi] ;ptri->vertindex[2]
|
|
shl ecx,5
|
|
shl edx,5
|
|
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+edi]
|
|
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
|