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

1 files changed, 495 insertions, 0 deletions

diff --git a/QW/client/math.asm b/QW/client/math.asm
new file mode 100644
index 0000000..ec57505
--- /dev/null
+++ b/QW/client/math.asm
@@ -0,0 +1,495 @@
+ .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
+Ljmptab dd Lcase0, Lcase1, Lcase2, Lcase3
+ dd Lcase4, Lcase5, Lcase6, Lcase7
+_DATA ENDS
+_TEXT SEGMENT
+ public _Invert24To16
+_Invert24To16:
+ mov ecx,ds:dword ptr[4+esp]
+ mov edx,0100h
+ cmp ecx,edx
+ jle LOutOfRange
+ sub eax,eax
+ div ecx
+ ret
+LOutOfRange:
+ mov eax,0FFFFFFFFh
+ ret
+ align 2
+ public _TransformVector
+_TransformVector:
+ mov eax,ds:dword ptr[4+esp]
+ mov edx,ds:dword ptr[8+esp]
+ fld ds:dword ptr[eax]
+ fmul ds:dword ptr[_vright]
+ fld ds:dword ptr[eax]
+ fmul ds:dword ptr[_vup]
+ fld ds:dword ptr[eax]
+ fmul ds:dword ptr[_vpn]
+ fld ds:dword ptr[4+eax]
+ fmul ds:dword ptr[_vright+4]
+ fld ds:dword ptr[4+eax]
+ fmul ds:dword ptr[_vup+4]
+ fld ds:dword ptr[4+eax]
+ fmul ds:dword ptr[_vpn+4]
+ fxch st(2)
+ faddp st(5),st(0)
+ faddp st(3),st(0)
+ faddp st(1),st(0)
+ fld ds:dword ptr[8+eax]
+ fmul ds:dword ptr[_vright+8]
+ fld ds:dword ptr[8+eax]
+ fmul ds:dword ptr[_vup+8]
+ fld ds:dword ptr[8+eax]
+ fmul ds:dword ptr[_vpn+8]
+ fxch st(2)
+ faddp st(5),st(0)
+ faddp st(3),st(0)
+ faddp st(1),st(0)
+ fstp ds:dword ptr[8+edx]
+ fstp ds:dword ptr[4+edx]
+ fstp ds:dword ptr[edx]
+ ret
+ align 2
+ public _BoxOnPlaneSide
+_BoxOnPlaneSide:
+ push ebx
+ mov edx,ds:dword ptr[4+12+esp]
+ mov ecx,ds:dword ptr[4+4+esp]
+ xor eax,eax
+ mov ebx,ds:dword ptr[4+8+esp]
+ mov al,ds:byte ptr[17+edx]
+ cmp al,8
+ jge Lerror
+ fld ds:dword ptr[0+edx]
+ fld st(0)
+ jmp dword ptr[Ljmptab+eax*4]
+Lcase0:
+ fmul ds:dword ptr[ebx]
+ fld ds:dword ptr[0+4+edx]
+ fxch st(2)
+ fmul ds:dword ptr[ecx]
+ fxch st(2)
+ fld st(0)
+ fmul ds:dword ptr[4+ebx]
+ fld ds:dword ptr[0+8+edx]
+ fxch st(2)
+ fmul ds:dword ptr[4+ecx]
+ fxch st(2)
+ fld st(0)
+ fmul ds:dword ptr[8+ebx]
+ fxch st(5)
+ faddp st(3),st(0)
+ fmul ds:dword ptr[8+ecx]
+ fxch st(1)
+ faddp st(3),st(0)
+ fxch st(3)
+ faddp st(2),st(0)
+ jmp LSetSides
+Lcase1:
+ fmul ds:dword ptr[ecx]
+ fld ds:dword ptr[0+4+edx]
+ fxch st(2)
+ fmul ds:dword ptr[ebx]
+ fxch st(2)
+ fld st(0)
+ fmul ds:dword ptr[4+ebx]
+ fld ds:dword ptr[0+8+edx]
+ fxch st(2)
+ fmul ds:dword ptr[4+ecx]
+ fxch st(2)
+ fld st(0)
+ fmul ds:dword ptr[8+ebx]
+ fxch st(5)
+ faddp st(3),st(0)
+ fmul ds:dword ptr[8+ecx]
+ fxch st(1)
+ faddp st(3),st(0)
+ fxch st(3)
+ faddp st(2),st(0)
+ jmp LSetSides
+Lcase2:
+ fmul ds:dword ptr[ebx]
+ fld ds:dword ptr[0+4+edx]
+ fxch st(2)
+ fmul ds:dword ptr[ecx]
+ fxch st(2)
+ fld st(0)
+ fmul ds:dword ptr[4+ecx]
+ fld ds:dword ptr[0+8+edx]
+ fxch st(2)
+ fmul ds:dword ptr[4+ebx]
+ fxch st(2)
+ fld st(0)
+ fmul ds:dword ptr[8+ebx]
+ fxch st(5)
+ faddp st(3),st(0)
+ fmul ds:dword ptr[8+ecx]
+ fxch st(1)
+ faddp st(3),st(0)
+ fxch st(3)
+ faddp st(2),st(0)
+ jmp LSetSides
+Lcase3:
+ fmul ds:dword ptr[ecx]
+ fld ds:dword ptr[0+4+edx]
+ fxch st(2)
+ fmul ds:dword ptr[ebx]
+ fxch st(2)
+ fld st(0)
+ fmul ds:dword ptr[4+ecx]
+ fld ds:dword ptr[0+8+edx]
+ fxch st(2)
+ fmul ds:dword ptr[4+ebx]
+ fxch st(2)
+ fld st(0)
+ fmul ds:dword ptr[8+ebx]
+ fxch st(5)
+ faddp st(3),st(0)
+ fmul ds:dword ptr[8+ecx]
+ fxch st(1)
+ faddp st(3),st(0)
+ fxch st(3)
+ faddp st(2),st(0)
+ jmp LSetSides
+Lcase4:
+ fmul ds:dword ptr[ebx]
+ fld ds:dword ptr[0+4+edx]
+ fxch st(2)
+ fmul ds:dword ptr[ecx]
+ fxch st(2)
+ fld st(0)
+ fmul ds:dword ptr[4+ebx]
+ fld ds:dword ptr[0+8+edx]
+ fxch st(2)
+ fmul ds:dword ptr[4+ecx]
+ fxch st(2)
+ fld st(0)
+ fmul ds:dword ptr[8+ecx]
+ fxch st(5)
+ faddp st(3),st(0)
+ fmul ds:dword ptr[8+ebx]
+ fxch st(1)
+ faddp st(3),st(0)
+ fxch st(3)
+ faddp st(2),st(0)
+ jmp LSetSides
+Lcase5:
+ fmul ds:dword ptr[ecx]
+ fld ds:dword ptr[0+4+edx]
+ fxch st(2)
+ fmul ds:dword ptr[ebx]
+ fxch st(2)
+ fld st(0)
+ fmul ds:dword ptr[4+ebx]
+ fld ds:dword ptr[0+8+edx]
+ fxch st(2)
+ fmul ds:dword ptr[4+ecx]
+ fxch st(2)
+ fld st(0)
+ fmul ds:dword ptr[8+ecx]
+ fxch st(5)
+ faddp st(3),st(0)
+ fmul ds:dword ptr[8+ebx]
+ fxch st(1)
+ faddp st(3),st(0)
+ fxch st(3)
+ faddp st(2),st(0)
+ jmp LSetSides
+Lcase6:
+ fmul ds:dword ptr[ebx]
+ fld ds:dword ptr[0+4+edx]
+ fxch st(2)
+ fmul ds:dword ptr[ecx]
+ fxch st(2)
+ fld st(0)
+ fmul ds:dword ptr[4+ecx]
+ fld ds:dword ptr[0+8+edx]
+ fxch st(2)
+ fmul ds:dword ptr[4+ebx]
+ fxch st(2)
+ fld st(0)
+ fmul ds:dword ptr[8+ecx]
+ fxch st(5)
+ faddp st(3),st(0)
+ fmul ds:dword ptr[8+ebx]
+ fxch st(1)
+ faddp st(3),st(0)
+ fxch st(3)
+ faddp st(2),st(0)
+ jmp LSetSides
+Lcase7:
+ fmul ds:dword ptr[ecx]
+ fld ds:dword ptr[0+4+edx]
+ fxch st(2)
+ fmul ds:dword ptr[ebx]
+ fxch st(2)
+ fld st(0)
+ fmul ds:dword ptr[4+ecx]
+ fld ds:dword ptr[0+8+edx]
+ fxch st(2)
+ fmul ds:dword ptr[4+ebx]
+ fxch st(2)
+ fld st(0)
+ fmul ds:dword ptr[8+ecx]
+ fxch st(5)
+ faddp st(3),st(0)
+ fmul ds:dword ptr[8+ebx]
+ fxch st(1)
+ faddp st(3),st(0)
+ fxch st(3)
+ faddp st(2),st(0)
+LSetSides:
+ faddp st(2),st(0)
+ fcomp ds:dword ptr[12+edx]
+ xor ecx,ecx
+ fnstsw ax
+ fcomp ds:dword ptr[12+edx]
+ and ah,1
+ xor ah,1
+ add cl,ah
+ fnstsw ax
+ and ah,1
+ add ah,ah
+ add cl,ah
+ pop ebx
+ mov eax,ecx
+ ret
+Lerror:
+ call near ptr _BOPS_Error
+_TEXT ENDS
+ END