mirror of
https://git.code.sf.net/p/quake/quake2forge
synced 2024-12-12 13:42:21 +00:00
1197 lines
34 KiB
C
1197 lines
34 KiB
C
/*
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Copyright (C) 1997-2001 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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// r_alias.c: routines for setting up to draw alias models
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/*
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** use a real variable to control lerping
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*/
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#include "r_local.h"
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#define LIGHT_MIN 5 // lowest light value we'll allow, to avoid the
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// need for inner-loop light clamping
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//PGM
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extern byte iractive;
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//PGM
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int r_amodels_drawn;
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affinetridesc_t r_affinetridesc;
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vec3_t r_plightvec;
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vec3_t r_lerped[1024];
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vec3_t r_lerp_frontv, r_lerp_backv, r_lerp_move;
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int r_ambientlight;
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int r_aliasblendcolor;
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float r_shadelight;
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daliasframe_t *r_thisframe, *r_lastframe;
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dmdl_t *s_pmdl;
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float aliastransform[3][4];
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float aliasworldtransform[3][4];
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float aliasoldworldtransform[3][4];
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static float s_ziscale;
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static vec3_t s_alias_forward, s_alias_right, s_alias_up;
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#define NUMVERTEXNORMALS 162
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float r_avertexnormals[NUMVERTEXNORMALS][3] = {
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#include "anorms.h"
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};
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void R_AliasSetUpLerpData( dmdl_t *pmdl, float backlerp );
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void R_AliasSetUpTransform (void);
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void R_AliasTransformVector (vec3_t in, vec3_t out, float m[3][4] );
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void R_AliasProjectAndClipTestFinalVert (finalvert_t *fv);
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void R_AliasTransformFinalVerts( int numpoints, finalvert_t *fv, dtrivertx_t *oldv, dtrivertx_t *newv );
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void R_AliasLerpFrames( dmdl_t *paliashdr, float backlerp );
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/*
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================
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R_AliasCheckBBox
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================
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*/
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typedef struct {
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int index0;
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int index1;
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} aedge_t;
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static aedge_t aedges[12] = {
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{0, 1}, {1, 2}, {2, 3}, {3, 0},
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{4, 5}, {5, 6}, {6, 7}, {7, 4},
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{0, 5}, {1, 4}, {2, 7}, {3, 6}
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};
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#define BBOX_TRIVIAL_ACCEPT 0
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#define BBOX_MUST_CLIP_XY 1
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#define BBOX_MUST_CLIP_Z 2
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#define BBOX_TRIVIAL_REJECT 8
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/*
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** R_AliasCheckFrameBBox
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**
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** Checks a specific alias frame bounding box
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*/
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unsigned long R_AliasCheckFrameBBox( daliasframe_t *frame, float worldxf[3][4] )
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{
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unsigned long aggregate_and_clipcode = ~0U,
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aggregate_or_clipcode = 0;
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int i;
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vec3_t mins, maxs;
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vec3_t transformed_min, transformed_max;
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qboolean zclipped = false, zfullyclipped = true;
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float minz = 9999.0F;
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/*
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** get the exact frame bounding box
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*/
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for (i=0 ; i<3 ; i++)
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{
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mins[i] = frame->translate[i];
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maxs[i] = mins[i] + frame->scale[i]*255;
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}
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/*
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** transform the min and max values into view space
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*/
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R_AliasTransformVector( mins, transformed_min, aliastransform );
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R_AliasTransformVector( maxs, transformed_max, aliastransform );
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if ( transformed_min[2] >= ALIAS_Z_CLIP_PLANE )
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zfullyclipped = false;
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if ( transformed_max[2] >= ALIAS_Z_CLIP_PLANE )
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zfullyclipped = false;
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if ( zfullyclipped )
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{
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return BBOX_TRIVIAL_REJECT;
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}
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if ( zclipped )
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{
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return ( BBOX_MUST_CLIP_XY | BBOX_MUST_CLIP_Z );
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}
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/*
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** build a transformed bounding box from the given min and max
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*/
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for ( i = 0; i < 8; i++ )
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{
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int j;
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vec3_t tmp, transformed;
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unsigned long clipcode = 0;
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if ( i & 1 )
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tmp[0] = mins[0];
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else
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tmp[0] = maxs[0];
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if ( i & 2 )
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tmp[1] = mins[1];
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else
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tmp[1] = maxs[1];
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if ( i & 4 )
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tmp[2] = mins[2];
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else
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tmp[2] = maxs[2];
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R_AliasTransformVector( tmp, transformed, worldxf );
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for ( j = 0; j < 4; j++ )
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{
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float dp = DotProduct( transformed, view_clipplanes[j].normal );
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if ( ( dp - view_clipplanes[j].dist ) < 0.0F )
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clipcode |= 1 << j;
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}
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aggregate_and_clipcode &= clipcode;
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aggregate_or_clipcode |= clipcode;
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}
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if ( aggregate_and_clipcode )
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{
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return BBOX_TRIVIAL_REJECT;
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}
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if ( !aggregate_or_clipcode )
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{
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return BBOX_TRIVIAL_ACCEPT;
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}
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return BBOX_MUST_CLIP_XY;
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}
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qboolean R_AliasCheckBBox (void)
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{
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unsigned long ccodes[2] = { 0, 0 };
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ccodes[0] = R_AliasCheckFrameBBox( r_thisframe, aliasworldtransform );
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/*
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** non-lerping model
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*/
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if ( currententity->backlerp == 0 )
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{
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if ( ccodes[0] == BBOX_TRIVIAL_ACCEPT )
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return BBOX_TRIVIAL_ACCEPT;
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else if ( ccodes[0] & BBOX_TRIVIAL_REJECT )
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return BBOX_TRIVIAL_REJECT;
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else
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return ( ccodes[0] & ~BBOX_TRIVIAL_REJECT );
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}
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ccodes[1] = R_AliasCheckFrameBBox( r_lastframe, aliasoldworldtransform );
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if ( ( ccodes[0] | ccodes[1] ) == BBOX_TRIVIAL_ACCEPT )
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return BBOX_TRIVIAL_ACCEPT;
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else if ( ( ccodes[0] & ccodes[1] ) & BBOX_TRIVIAL_REJECT )
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return BBOX_TRIVIAL_REJECT;
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else
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return ( ccodes[0] | ccodes[1] ) & ~BBOX_TRIVIAL_REJECT;
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}
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/*
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================
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R_AliasTransformVector
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================
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*/
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void R_AliasTransformVector(vec3_t in, vec3_t out, float xf[3][4] )
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{
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out[0] = DotProduct(in, xf[0]) + xf[0][3];
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out[1] = DotProduct(in, xf[1]) + xf[1][3];
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out[2] = DotProduct(in, xf[2]) + xf[2][3];
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}
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/*
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================
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R_AliasPreparePoints
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General clipped case
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================
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*/
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typedef struct
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{
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int num_points;
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dtrivertx_t *last_verts; // verts from the last frame
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dtrivertx_t *this_verts; // verts from this frame
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finalvert_t *dest_verts; // destination for transformed verts
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} aliasbatchedtransformdata_t;
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aliasbatchedtransformdata_t aliasbatchedtransformdata;
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void R_AliasPreparePoints (void)
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{
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int i;
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dstvert_t *pstverts;
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dtriangle_t *ptri;
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finalvert_t *pfv[3];
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finalvert_t finalverts[MAXALIASVERTS +
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((CACHE_SIZE - 1) / sizeof(finalvert_t)) + 3];
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finalvert_t *pfinalverts;
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//PGM
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iractive = (r_newrefdef.rdflags & RDF_IRGOGGLES && currententity->flags & RF_IR_VISIBLE);
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// iractive = 0;
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// if(r_newrefdef.rdflags & RDF_IRGOGGLES && currententity->flags & RF_IR_VISIBLE)
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// iractive = 1;
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//PGM
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// put work vertexes on stack, cache aligned
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pfinalverts = (finalvert_t *)
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(((long)&finalverts[0] + CACHE_SIZE - 1) & ~(CACHE_SIZE - 1));
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aliasbatchedtransformdata.num_points = s_pmdl->num_xyz;
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aliasbatchedtransformdata.last_verts = r_lastframe->verts;
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aliasbatchedtransformdata.this_verts = r_thisframe->verts;
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aliasbatchedtransformdata.dest_verts = pfinalverts;
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R_AliasTransformFinalVerts( aliasbatchedtransformdata.num_points,
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aliasbatchedtransformdata.dest_verts,
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aliasbatchedtransformdata.last_verts,
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aliasbatchedtransformdata.this_verts );
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// clip and draw all triangles
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//
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pstverts = (dstvert_t *)((byte *)s_pmdl + s_pmdl->ofs_st);
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ptri = (dtriangle_t *)((byte *)s_pmdl + s_pmdl->ofs_tris);
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if ( ( currententity->flags & RF_WEAPONMODEL ) && ( r_lefthand->value == 1.0F ) )
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{
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for (i=0 ; i<s_pmdl->num_tris ; i++, ptri++)
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{
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pfv[0] = &pfinalverts[ptri->index_xyz[0]];
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pfv[1] = &pfinalverts[ptri->index_xyz[1]];
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pfv[2] = &pfinalverts[ptri->index_xyz[2]];
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if ( pfv[0]->flags & pfv[1]->flags & pfv[2]->flags )
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continue; // completely clipped
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// insert s/t coordinates
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pfv[0]->s = pstverts[ptri->index_st[0]].s << 16;
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pfv[0]->t = pstverts[ptri->index_st[0]].t << 16;
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pfv[1]->s = pstverts[ptri->index_st[1]].s << 16;
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pfv[1]->t = pstverts[ptri->index_st[1]].t << 16;
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pfv[2]->s = pstverts[ptri->index_st[2]].s << 16;
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pfv[2]->t = pstverts[ptri->index_st[2]].t << 16;
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if ( ! (pfv[0]->flags | pfv[1]->flags | pfv[2]->flags) )
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{ // totally unclipped
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aliastriangleparms.a = pfv[2];
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aliastriangleparms.b = pfv[1];
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aliastriangleparms.c = pfv[0];
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R_DrawTriangle();
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}
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else
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{
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R_AliasClipTriangle (pfv[2], pfv[1], pfv[0]);
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}
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}
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}
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else
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{
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for (i=0 ; i<s_pmdl->num_tris ; i++, ptri++)
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{
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pfv[0] = &pfinalverts[ptri->index_xyz[0]];
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pfv[1] = &pfinalverts[ptri->index_xyz[1]];
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pfv[2] = &pfinalverts[ptri->index_xyz[2]];
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if ( pfv[0]->flags & pfv[1]->flags & pfv[2]->flags )
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continue; // completely clipped
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// insert s/t coordinates
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pfv[0]->s = pstverts[ptri->index_st[0]].s << 16;
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pfv[0]->t = pstverts[ptri->index_st[0]].t << 16;
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pfv[1]->s = pstverts[ptri->index_st[1]].s << 16;
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pfv[1]->t = pstverts[ptri->index_st[1]].t << 16;
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pfv[2]->s = pstverts[ptri->index_st[2]].s << 16;
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pfv[2]->t = pstverts[ptri->index_st[2]].t << 16;
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if ( ! (pfv[0]->flags | pfv[1]->flags | pfv[2]->flags) )
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{ // totally unclipped
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aliastriangleparms.a = pfv[0];
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aliastriangleparms.b = pfv[1];
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aliastriangleparms.c = pfv[2];
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R_DrawTriangle();
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}
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else
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{ // partially clipped
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R_AliasClipTriangle (pfv[0], pfv[1], pfv[2]);
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}
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}
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}
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}
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/*
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================
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R_AliasSetUpTransform
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================
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*/
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void R_AliasSetUpTransform (void)
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{
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int i;
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static float viewmatrix[3][4];
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vec3_t angles;
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// TODO: should really be stored with the entity instead of being reconstructed
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// TODO: should use a look-up table
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// TODO: could cache lazily, stored in the entity
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//
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angles[ROLL] = currententity->angles[ROLL];
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angles[PITCH] = currententity->angles[PITCH];
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angles[YAW] = currententity->angles[YAW];
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AngleVectors( angles, s_alias_forward, s_alias_right, s_alias_up );
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// TODO: can do this with simple matrix rearrangement
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memset( aliasworldtransform, 0, sizeof( aliasworldtransform ) );
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memset( aliasoldworldtransform, 0, sizeof( aliasworldtransform ) );
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for (i=0 ; i<3 ; i++)
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{
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aliasoldworldtransform[i][0] = aliasworldtransform[i][0] = s_alias_forward[i];
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aliasoldworldtransform[i][0] = aliasworldtransform[i][1] = -s_alias_right[i];
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aliasoldworldtransform[i][0] = aliasworldtransform[i][2] = s_alias_up[i];
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}
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aliasworldtransform[0][3] = currententity->origin[0]-r_origin[0];
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aliasworldtransform[1][3] = currententity->origin[1]-r_origin[1];
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aliasworldtransform[2][3] = currententity->origin[2]-r_origin[2];
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aliasoldworldtransform[0][3] = currententity->oldorigin[0]-r_origin[0];
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aliasoldworldtransform[1][3] = currententity->oldorigin[1]-r_origin[1];
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aliasoldworldtransform[2][3] = currententity->oldorigin[2]-r_origin[2];
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// FIXME: can do more efficiently than full concatenation
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// memcpy( rotationmatrix, t2matrix, sizeof( rotationmatrix ) );
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// R_ConcatTransforms (t2matrix, tmatrix, rotationmatrix);
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// TODO: should be global, set when vright, etc., set
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VectorCopy (vright, viewmatrix[0]);
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VectorCopy (vup, viewmatrix[1]);
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VectorInverse (viewmatrix[1]);
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VectorCopy (vpn, viewmatrix[2]);
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viewmatrix[0][3] = 0;
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viewmatrix[1][3] = 0;
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viewmatrix[2][3] = 0;
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// memcpy( aliasworldtransform, rotationmatrix, sizeof( aliastransform ) );
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R_ConcatTransforms (viewmatrix, aliasworldtransform, aliastransform);
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aliasworldtransform[0][3] = currententity->origin[0];
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aliasworldtransform[1][3] = currententity->origin[1];
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aliasworldtransform[2][3] = currententity->origin[2];
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aliasoldworldtransform[0][3] = currententity->oldorigin[0];
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aliasoldworldtransform[1][3] = currententity->oldorigin[1];
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aliasoldworldtransform[2][3] = currententity->oldorigin[2];
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}
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/*
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================
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R_AliasTransformFinalVerts
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================
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*/
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#if id386 && !defined __linux__
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void R_AliasTransformFinalVerts( int numpoints, finalvert_t *fv, dtrivertx_t *oldv, dtrivertx_t *newv )
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{
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float lightcos;
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float lerped_vert[3];
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int byte_to_dword_ptr_var;
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int tmpint;
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float one = 1.0F;
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float zi;
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static float FALIAS_Z_CLIP_PLANE = ALIAS_Z_CLIP_PLANE;
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static float PS_SCALE = POWERSUIT_SCALE;
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__asm mov ecx, numpoints
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/*
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lerped_vert[0] = r_lerp_move[0] + oldv->v[0]*r_lerp_backv[0] + newv->v[0]*r_lerp_frontv[0];
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lerped_vert[1] = r_lerp_move[1] + oldv->v[1]*r_lerp_backv[1] + newv->v[1]*r_lerp_frontv[1];
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lerped_vert[2] = r_lerp_move[2] + oldv->v[2]*r_lerp_backv[2] + newv->v[2]*r_lerp_frontv[2];
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*/
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top_of_loop:
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__asm mov esi, oldv
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__asm mov edi, newv
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__asm xor ebx, ebx
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__asm mov bl, byte ptr [esi+DTRIVERTX_V0]
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__asm mov byte_to_dword_ptr_var, ebx
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__asm fild dword ptr byte_to_dword_ptr_var
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__asm fmul dword ptr [r_lerp_backv+0] ; oldv[0]*rlb[0]
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__asm mov bl, byte ptr [esi+DTRIVERTX_V1]
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__asm mov byte_to_dword_ptr_var, ebx
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__asm fild dword ptr byte_to_dword_ptr_var
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__asm fmul dword ptr [r_lerp_backv+4] ; oldv[1]*rlb[1] | oldv[0]*rlb[0]
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__asm mov bl, byte ptr [esi+DTRIVERTX_V2]
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__asm mov byte_to_dword_ptr_var, ebx
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__asm fild dword ptr byte_to_dword_ptr_var
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__asm fmul dword ptr [r_lerp_backv+8] ; oldv[2]*rlb[2] | oldv[1]*rlb[1] | oldv[0]*rlb[0]
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__asm mov bl, byte ptr [edi+DTRIVERTX_V0]
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__asm mov byte_to_dword_ptr_var, ebx
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__asm fild dword ptr byte_to_dword_ptr_var
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__asm fmul dword ptr [r_lerp_frontv+0] ; newv[0]*rlf[0] | oldv[2]*rlb[2] | oldv[1]*rlb[1] | oldv[0]*rlb[0]
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__asm mov bl, byte ptr [edi+DTRIVERTX_V1]
|
|
__asm mov byte_to_dword_ptr_var, ebx
|
|
__asm fild dword ptr byte_to_dword_ptr_var
|
|
__asm fmul dword ptr [r_lerp_frontv+4] ; newv[1]*rlf[1] | newv[0]*rlf[0] | oldv[2]*rlb[2] | oldv[1]*rlb[1] | oldv[0]*rlb[0]
|
|
|
|
__asm mov bl, byte ptr [edi+DTRIVERTX_V2]
|
|
__asm mov byte_to_dword_ptr_var, ebx
|
|
__asm fild dword ptr byte_to_dword_ptr_var
|
|
__asm fmul dword ptr [r_lerp_frontv+8] ; newv[2]*rlf[2] | newv[1]*rlf[1] | newv[0]*rlf[0] | oldv[2]*rlb[2] | oldv[1]*rlb[1] | oldv[0]*rlb[0]
|
|
|
|
__asm fxch st(5) ; oldv[0]*rlb[0] | newv[1]*rlf[1] | newv[0]*rlf[0] | oldv[2]*rlb[2] | oldv[1]*rlb[1] | newv[2]*rlf[2]
|
|
__asm faddp st(2), st ; newv[1]*rlf[1] | oldv[0]*rlb[0] + newv[0]*rlf[0] | oldv[2]*rlb[2] | oldv[1]*rlb[1] | newv[2]*rlf[2]
|
|
__asm faddp st(3), st ; oldv[0]*rlb[0] + newv[0]*rlf[0] | oldv[2]*rlb[2] | oldv[1]*rlb[1] + newv[1]*rlf[1] | newv[2]*rlf[2]
|
|
__asm fxch st(1) ; oldv[2]*rlb[2] | oldv[0]*rlb[0] + newv[0]*rlf[0] | oldv[1]*rlb[1] + newv[1]*rlf[1] | newv[2]*rlf[2]
|
|
__asm faddp st(3), st ; oldv[0]*rlb[0] + newv[0]*rlf[0] | oldv[1]*rlb[1] + newv[1]*rlf[1] | oldv[2]*rlb[2] + newv[2]*rlf[2]
|
|
__asm fadd dword ptr [r_lerp_move+0] ; lv0 | oldv[1]*rlb[1] + newv[1]*rlf[1] | oldv[2]*rlb[2] + newv[2]*rlf[2]
|
|
__asm fxch st(1) ; oldv[1]*rlb[1] + newv[1]*rlf[1] | lv0 | oldv[2]*rlb[2] + newv[2]*rlf[2]
|
|
__asm fadd dword ptr [r_lerp_move+4] ; lv1 | lv0 | oldv[2]*rlb[2] + newv[2]*rlf[2]
|
|
__asm fxch st(2) ; oldv[2]*rlb[2] + newv[2]*rlf[2] | lv0 | lv1
|
|
__asm fadd dword ptr [r_lerp_move+8] ; lv2 | lv0 | lv1
|
|
__asm fxch st(1) ; lv0 | lv2 | lv1
|
|
__asm fstp dword ptr [lerped_vert+0] ; lv2 | lv1
|
|
__asm fstp dword ptr [lerped_vert+8] ; lv2
|
|
__asm fstp dword ptr [lerped_vert+4] ; (empty)
|
|
|
|
__asm mov eax, currententity
|
|
__asm mov eax, dword ptr [eax+ENTITY_FLAGS]
|
|
__asm mov ebx, RF_SHELL_RED | RF_SHELL_GREEN | RF_SHELL_BLUE | RF_SHELL_DOUBLE | RF_SHELL_HALF_DAM
|
|
__asm and eax, ebx
|
|
__asm jz not_powersuit
|
|
|
|
/*
|
|
** lerped_vert[0] += lightnormal[0] * POWERSUIT_SCALE
|
|
** lerped_vert[1] += lightnormal[1] * POWERSUIT_SCALE
|
|
** lerped_vert[2] += lightnormal[2] * POWERSUIT_SCALE
|
|
*/
|
|
|
|
__asm xor ebx, ebx
|
|
__asm mov bl, byte ptr [edi+DTRIVERTX_LNI]
|
|
__asm mov eax, 12
|
|
__asm mul ebx
|
|
__asm lea eax, [r_avertexnormals+eax]
|
|
|
|
__asm fld dword ptr [eax+0] ; n[0]
|
|
__asm fmul PS_SCALE ; n[0] * PS
|
|
__asm fld dword ptr [eax+4] ; n[1] | n[0] * PS
|
|
__asm fmul PS_SCALE ; n[1] * PS | n[0] * PS
|
|
__asm fld dword ptr [eax+8] ; n[2] | n[1] * PS | n[0] * PS
|
|
__asm fmul PS_SCALE ; n[2] * PS | n[1] * PS | n[0] * PS
|
|
__asm fld dword ptr [lerped_vert+0] ; lv0 | n[2] * PS | n[1] * PS | n[0] * PS
|
|
__asm faddp st(3), st ; n[2] * PS | n[1] * PS | n[0] * PS + lv0
|
|
__asm fld dword ptr [lerped_vert+4] ; lv1 | n[2] * PS | n[1] * PS | n[0] * PS + lv0
|
|
__asm faddp st(2), st ; n[2] * PS | n[1] * PS + lv1 | n[0] * PS + lv0
|
|
__asm fadd dword ptr [lerped_vert+8] ; n[2] * PS + lv2 | n[1] * PS + lv1 | n[0] * PS + lv0
|
|
__asm fxch st(2) ; LV0 | LV1 | LV2
|
|
__asm fstp dword ptr [lerped_vert+0] ; LV1 | LV2
|
|
__asm fstp dword ptr [lerped_vert+4] ; LV2
|
|
__asm fstp dword ptr [lerped_vert+8] ; (empty)
|
|
|
|
not_powersuit:
|
|
|
|
/*
|
|
fv->flags = 0;
|
|
|
|
fv->xyz[0] = DotProduct(lerped_vert, aliastransform[0]) + aliastransform[0][3];
|
|
fv->xyz[1] = DotProduct(lerped_vert, aliastransform[1]) + aliastransform[1][3];
|
|
fv->xyz[2] = DotProduct(lerped_vert, aliastransform[2]) + aliastransform[2][3];
|
|
*/
|
|
__asm mov eax, fv
|
|
__asm mov dword ptr [eax+FINALVERT_FLAGS], 0
|
|
|
|
__asm fld dword ptr [lerped_vert+0] ; lv0
|
|
__asm fmul dword ptr [aliastransform+0] ; lv0*at[0][0]
|
|
__asm fld dword ptr [lerped_vert+4] ; lv1 | lv0*at[0][0]
|
|
__asm fmul dword ptr [aliastransform+4] ; lv1*at[0][1] | lv0*at[0][0]
|
|
__asm fld dword ptr [lerped_vert+8] ; lv2 | lv1*at[0][1] | lv0*at[0][0]
|
|
__asm fmul dword ptr [aliastransform+8] ; lv2*at[0][2] | lv1*at[0][1] | lv0*at[0][0]
|
|
__asm fxch st(2) ; lv0*at[0][0] | lv1*at[0][1] | lv2*at[0][2]
|
|
__asm faddp st(1), st ; lv0*at[0][0] + lv1*at[0][1] | lv2*at[0][2]
|
|
__asm faddp st(1), st ; lv0*at[0][0] + lv1*at[0][1] + lv2*at[0][2]
|
|
__asm fadd dword ptr [aliastransform+12] ; FV.X
|
|
|
|
__asm fld dword ptr [lerped_vert+0] ; lv0
|
|
__asm fmul dword ptr [aliastransform+16] ; lv0*at[1][0]
|
|
__asm fld dword ptr [lerped_vert+4] ; lv1 | lv0*at[1][0]
|
|
__asm fmul dword ptr [aliastransform+20] ; lv1*at[1][1] | lv0*at[1][0]
|
|
__asm fld dword ptr [lerped_vert+8] ; lv2 | lv1*at[1][1] | lv0*at[1][0]
|
|
__asm fmul dword ptr [aliastransform+24] ; lv2*at[1][2] | lv1*at[1][1] | lv0*at[1][0]
|
|
__asm fxch st(2) ; lv0*at[1][0] | lv1*at[1][1] | lv2*at[1][2]
|
|
__asm faddp st(1), st ; lv0*at[1][0] + lv1*at[1][1] | lv2*at[1][2]
|
|
__asm faddp st(1), st ; lv0*at[1][0] + lv1*at[1][1] + lv2*at[1][2]
|
|
__asm fadd dword ptr [aliastransform+28] ; FV.Y | FV.X
|
|
__asm fxch st(1) ; FV.X | FV.Y
|
|
__asm fstp dword ptr [eax+FINALVERT_X] ; FV.Y
|
|
|
|
__asm fld dword ptr [lerped_vert+0] ; lv0
|
|
__asm fmul dword ptr [aliastransform+32] ; lv0*at[2][0]
|
|
__asm fld dword ptr [lerped_vert+4] ; lv1 | lv0*at[2][0]
|
|
__asm fmul dword ptr [aliastransform+36] ; lv1*at[2][1] | lv0*at[2][0]
|
|
__asm fld dword ptr [lerped_vert+8] ; lv2 | lv1*at[2][1] | lv0*at[2][0]
|
|
__asm fmul dword ptr [aliastransform+40] ; lv2*at[2][2] | lv1*at[2][1] | lv0*at[2][0]
|
|
__asm fxch st(2) ; lv0*at[2][0] | lv1*at[2][1] | lv2*at[2][2]
|
|
__asm faddp st(1), st ; lv0*at[2][0] + lv1*at[2][1] | lv2*at[2][2]
|
|
__asm faddp st(1), st ; lv0*at[2][0] + lv1*at[2][1] + lv2*at[2][2]
|
|
__asm fadd dword ptr [aliastransform+44] ; FV.Z | FV.Y
|
|
__asm fxch st(1) ; FV.Y | FV.Z
|
|
__asm fstp dword ptr [eax+FINALVERT_Y] ; FV.Z
|
|
__asm fstp dword ptr [eax+FINALVERT_Z] ; (empty)
|
|
|
|
/*
|
|
** lighting
|
|
**
|
|
** plightnormal = r_avertexnormals[newv->lightnormalindex];
|
|
** lightcos = DotProduct (plightnormal, r_plightvec);
|
|
** temp = r_ambientlight;
|
|
*/
|
|
__asm xor ebx, ebx
|
|
__asm mov bl, byte ptr [edi+DTRIVERTX_LNI]
|
|
__asm mov eax, 12
|
|
__asm mul ebx
|
|
__asm lea eax, [r_avertexnormals+eax]
|
|
__asm lea ebx, r_plightvec
|
|
|
|
__asm fld dword ptr [eax+0]
|
|
__asm fmul dword ptr [ebx+0]
|
|
__asm fld dword ptr [eax+4]
|
|
__asm fmul dword ptr [ebx+4]
|
|
__asm fld dword ptr [eax+8]
|
|
__asm fmul dword ptr [ebx+8]
|
|
__asm fxch st(2)
|
|
__asm faddp st(1), st
|
|
__asm faddp st(1), st
|
|
__asm fstp dword ptr lightcos
|
|
__asm mov eax, lightcos
|
|
__asm mov ebx, r_ambientlight
|
|
|
|
/*
|
|
if (lightcos < 0)
|
|
{
|
|
temp += (int)(r_shadelight * lightcos);
|
|
|
|
// clamp; because we limited the minimum ambient and shading light, we
|
|
// don't have to clamp low light, just bright
|
|
if (temp < 0)
|
|
temp = 0;
|
|
}
|
|
|
|
fv->v[4] = temp;
|
|
*/
|
|
__asm or eax, eax
|
|
__asm jns store_fv4
|
|
|
|
__asm fld dword ptr r_shadelight
|
|
__asm fmul dword ptr lightcos
|
|
__asm fistp dword ptr tmpint
|
|
__asm add ebx, tmpint
|
|
|
|
__asm or ebx, ebx
|
|
__asm jns store_fv4
|
|
__asm mov ebx, 0
|
|
|
|
store_fv4:
|
|
__asm mov edi, fv
|
|
__asm mov dword ptr [edi+FINALVERT_V4], ebx
|
|
|
|
__asm mov edx, dword ptr [edi+FINALVERT_FLAGS]
|
|
|
|
/*
|
|
** do clip testing and projection here
|
|
*/
|
|
/*
|
|
if ( dest_vert->xyz[2] < ALIAS_Z_CLIP_PLANE )
|
|
{
|
|
dest_vert->flags |= ALIAS_Z_CLIP;
|
|
}
|
|
else
|
|
{
|
|
R_AliasProjectAndClipTestFinalVert( dest_vert );
|
|
}
|
|
*/
|
|
__asm mov eax, dword ptr [edi+FINALVERT_Z]
|
|
__asm and eax, eax
|
|
__asm js alias_z_clip
|
|
__asm cmp eax, FALIAS_Z_CLIP_PLANE
|
|
__asm jl alias_z_clip
|
|
|
|
/*
|
|
This is the code to R_AliasProjectAndClipTestFinalVert
|
|
|
|
float zi;
|
|
float x, y, z;
|
|
|
|
x = fv->xyz[0];
|
|
y = fv->xyz[1];
|
|
z = fv->xyz[2];
|
|
zi = 1.0 / z;
|
|
|
|
fv->v[5] = zi * s_ziscale;
|
|
|
|
fv->v[0] = (x * aliasxscale * zi) + aliasxcenter;
|
|
fv->v[1] = (y * aliasyscale * zi) + aliasycenter;
|
|
*/
|
|
__asm fld one ; 1
|
|
__asm fdiv dword ptr [edi+FINALVERT_Z] ; zi
|
|
|
|
__asm mov eax, dword ptr [edi+32]
|
|
__asm mov eax, dword ptr [edi+64]
|
|
|
|
__asm fst zi ; zi
|
|
__asm fmul s_ziscale ; fv5
|
|
__asm fld dword ptr [edi+FINALVERT_X] ; x | fv5
|
|
__asm fmul aliasxscale ; x * aliasxscale | fv5
|
|
__asm fld dword ptr [edi+FINALVERT_Y] ; y | x * aliasxscale | fv5
|
|
__asm fmul aliasyscale ; y * aliasyscale | x * aliasxscale | fv5
|
|
__asm fxch st(1) ; x * aliasxscale | y * aliasyscale | fv5
|
|
__asm fmul zi ; x * asx * zi | y * asy | fv5
|
|
__asm fadd aliasxcenter ; fv0 | y * asy | fv5
|
|
__asm fxch st(1) ; y * asy | fv0 | fv5
|
|
__asm fmul zi ; y * asy * zi | fv0 | fv5
|
|
__asm fadd aliasycenter ; fv1 | fv0 | fv5
|
|
__asm fxch st(2) ; fv5 | fv0 | fv1
|
|
__asm fistp dword ptr [edi+FINALVERT_V5] ; fv0 | fv1
|
|
__asm fistp dword ptr [edi+FINALVERT_V0] ; fv1
|
|
__asm fistp dword ptr [edi+FINALVERT_V1] ; (empty)
|
|
|
|
/*
|
|
if (fv->v[0] < r_refdef.aliasvrect.x)
|
|
fv->flags |= ALIAS_LEFT_CLIP;
|
|
if (fv->v[1] < r_refdef.aliasvrect.y)
|
|
fv->flags |= ALIAS_TOP_CLIP;
|
|
if (fv->v[0] > r_refdef.aliasvrectright)
|
|
fv->flags |= ALIAS_RIGHT_CLIP;
|
|
if (fv->v[1] > r_refdef.aliasvrectbottom)
|
|
fv->flags |= ALIAS_BOTTOM_CLIP;
|
|
*/
|
|
__asm mov eax, dword ptr [edi+FINALVERT_V0]
|
|
__asm mov ebx, dword ptr [edi+FINALVERT_V1]
|
|
|
|
__asm cmp eax, r_refdef.aliasvrect.x
|
|
__asm jge ct_alias_top
|
|
__asm or edx, ALIAS_LEFT_CLIP
|
|
ct_alias_top:
|
|
__asm cmp ebx, r_refdef.aliasvrect.y
|
|
__asm jge ct_alias_right
|
|
__asm or edx, ALIAS_TOP_CLIP
|
|
ct_alias_right:
|
|
__asm cmp eax, r_refdef.aliasvrectright
|
|
__asm jle ct_alias_bottom
|
|
__asm or edx, ALIAS_RIGHT_CLIP
|
|
ct_alias_bottom:
|
|
__asm cmp ebx, r_refdef.aliasvrectbottom
|
|
__asm jle end_of_loop
|
|
__asm or edx, ALIAS_BOTTOM_CLIP
|
|
|
|
__asm jmp end_of_loop
|
|
|
|
alias_z_clip:
|
|
__asm or edx, ALIAS_Z_CLIP
|
|
|
|
end_of_loop:
|
|
|
|
__asm mov dword ptr [edi+FINALVERT_FLAGS], edx
|
|
__asm add oldv, DTRIVERTX_SIZE
|
|
__asm add newv, DTRIVERTX_SIZE
|
|
__asm add fv, FINALVERT_SIZE
|
|
|
|
__asm dec ecx
|
|
__asm jnz top_of_loop
|
|
}
|
|
#else
|
|
void R_AliasTransformFinalVerts( int numpoints, finalvert_t *fv, dtrivertx_t *oldv, dtrivertx_t *newv )
|
|
{
|
|
int i;
|
|
|
|
for ( i = 0; i < numpoints; i++, fv++, oldv++, newv++ )
|
|
{
|
|
int temp;
|
|
float lightcos, *plightnormal;
|
|
vec3_t lerped_vert;
|
|
|
|
lerped_vert[0] = r_lerp_move[0] + oldv->v[0]*r_lerp_backv[0] + newv->v[0]*r_lerp_frontv[0];
|
|
lerped_vert[1] = r_lerp_move[1] + oldv->v[1]*r_lerp_backv[1] + newv->v[1]*r_lerp_frontv[1];
|
|
lerped_vert[2] = r_lerp_move[2] + oldv->v[2]*r_lerp_backv[2] + newv->v[2]*r_lerp_frontv[2];
|
|
|
|
plightnormal = r_avertexnormals[newv->lightnormalindex];
|
|
|
|
// PMM - added double damage shell
|
|
if ( currententity->flags & ( RF_SHELL_RED | RF_SHELL_GREEN | RF_SHELL_BLUE | RF_SHELL_DOUBLE | RF_SHELL_HALF_DAM) )
|
|
{
|
|
lerped_vert[0] += plightnormal[0] * POWERSUIT_SCALE;
|
|
lerped_vert[1] += plightnormal[1] * POWERSUIT_SCALE;
|
|
lerped_vert[2] += plightnormal[2] * POWERSUIT_SCALE;
|
|
}
|
|
|
|
fv->xyz[0] = DotProduct(lerped_vert, aliastransform[0]) + aliastransform[0][3];
|
|
fv->xyz[1] = DotProduct(lerped_vert, aliastransform[1]) + aliastransform[1][3];
|
|
fv->xyz[2] = DotProduct(lerped_vert, aliastransform[2]) + aliastransform[2][3];
|
|
|
|
fv->flags = 0;
|
|
|
|
// lighting
|
|
lightcos = DotProduct (plightnormal, r_plightvec);
|
|
temp = r_ambientlight;
|
|
|
|
if (lightcos < 0)
|
|
{
|
|
temp += (int)(r_shadelight * lightcos);
|
|
|
|
// clamp; because we limited the minimum ambient and shading light, we
|
|
// don't have to clamp low light, just bright
|
|
if (temp < 0)
|
|
temp = 0;
|
|
}
|
|
|
|
fv->l = temp;
|
|
|
|
if ( fv->xyz[2] < ALIAS_Z_CLIP_PLANE )
|
|
{
|
|
fv->flags |= ALIAS_Z_CLIP;
|
|
}
|
|
else
|
|
{
|
|
R_AliasProjectAndClipTestFinalVert( fv );
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif
|
|
|
|
/*
|
|
================
|
|
R_AliasProjectAndClipTestFinalVert
|
|
================
|
|
*/
|
|
void R_AliasProjectAndClipTestFinalVert( finalvert_t *fv )
|
|
{
|
|
float zi;
|
|
float x, y, z;
|
|
|
|
// project points
|
|
x = fv->xyz[0];
|
|
y = fv->xyz[1];
|
|
z = fv->xyz[2];
|
|
zi = 1.0 / z;
|
|
|
|
fv->zi = zi * s_ziscale;
|
|
|
|
fv->u = (x * aliasxscale * zi) + aliasxcenter;
|
|
fv->v = (y * aliasyscale * zi) + aliasycenter;
|
|
|
|
if (fv->u < r_refdef.aliasvrect.x)
|
|
fv->flags |= ALIAS_LEFT_CLIP;
|
|
if (fv->v < r_refdef.aliasvrect.y)
|
|
fv->flags |= ALIAS_TOP_CLIP;
|
|
if (fv->u > r_refdef.aliasvrectright)
|
|
fv->flags |= ALIAS_RIGHT_CLIP;
|
|
if (fv->v > r_refdef.aliasvrectbottom)
|
|
fv->flags |= ALIAS_BOTTOM_CLIP;
|
|
}
|
|
|
|
/*
|
|
===============
|
|
R_AliasSetupSkin
|
|
===============
|
|
*/
|
|
static qboolean R_AliasSetupSkin (void)
|
|
{
|
|
int skinnum;
|
|
image_t *pskindesc;
|
|
|
|
if (currententity->skin)
|
|
pskindesc = currententity->skin;
|
|
else
|
|
{
|
|
skinnum = currententity->skinnum;
|
|
if ((skinnum >= s_pmdl->num_skins) || (skinnum < 0))
|
|
{
|
|
ri.Con_Printf (PRINT_ALL, "R_AliasSetupSkin %s: no such skin # %d\n",
|
|
currentmodel->name, skinnum);
|
|
skinnum = 0;
|
|
}
|
|
|
|
pskindesc = currentmodel->skins[skinnum];
|
|
}
|
|
|
|
if ( !pskindesc )
|
|
return false;
|
|
|
|
r_affinetridesc.pskin = pskindesc->pixels[0];
|
|
r_affinetridesc.skinwidth = pskindesc->width;
|
|
r_affinetridesc.skinheight = pskindesc->height;
|
|
|
|
R_PolysetUpdateTables (); // FIXME: precalc edge lookups
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
/*
|
|
================
|
|
R_AliasSetupLighting
|
|
|
|
FIXME: put lighting into tables
|
|
================
|
|
*/
|
|
void R_AliasSetupLighting (void)
|
|
{
|
|
alight_t lighting;
|
|
float lightvec[3] = {-1, 0, 0};
|
|
vec3_t light;
|
|
int i, j;
|
|
|
|
// all components of light should be identical in software
|
|
if ( currententity->flags & RF_FULLBRIGHT )
|
|
{
|
|
for (i=0 ; i<3 ; i++)
|
|
light[i] = 1.0;
|
|
}
|
|
else
|
|
{
|
|
R_LightPoint (currententity->origin, light);
|
|
}
|
|
|
|
// save off light value for server to look at (BIG HACK!)
|
|
if ( currententity->flags & RF_WEAPONMODEL )
|
|
r_lightlevel->value = 150.0 * light[0];
|
|
|
|
|
|
if ( currententity->flags & RF_MINLIGHT )
|
|
{
|
|
for (i=0 ; i<3 ; i++)
|
|
if (light[i] < 0.1)
|
|
light[i] = 0.1;
|
|
}
|
|
|
|
if ( currententity->flags & RF_GLOW )
|
|
{ // bonus items will pulse with time
|
|
float scale;
|
|
float min;
|
|
|
|
scale = 0.1 * sin(r_newrefdef.time*7);
|
|
for (i=0 ; i<3 ; i++)
|
|
{
|
|
min = light[i] * 0.8;
|
|
light[i] += scale;
|
|
if (light[i] < min)
|
|
light[i] = min;
|
|
}
|
|
}
|
|
|
|
j = (light[0] + light[1] + light[2])*0.3333*255;
|
|
|
|
lighting.ambientlight = j;
|
|
lighting.shadelight = j;
|
|
|
|
lighting.plightvec = lightvec;
|
|
|
|
// clamp lighting so it doesn't overbright as much
|
|
if (lighting.ambientlight > 128)
|
|
lighting.ambientlight = 128;
|
|
if (lighting.ambientlight + lighting.shadelight > 192)
|
|
lighting.shadelight = 192 - lighting.ambientlight;
|
|
|
|
// guarantee that no vertex will ever be lit below LIGHT_MIN, so we don't have
|
|
// to clamp off the bottom
|
|
r_ambientlight = lighting.ambientlight;
|
|
|
|
if (r_ambientlight < LIGHT_MIN)
|
|
r_ambientlight = LIGHT_MIN;
|
|
|
|
r_ambientlight = (255 - r_ambientlight) << VID_CBITS;
|
|
|
|
if (r_ambientlight < LIGHT_MIN)
|
|
r_ambientlight = LIGHT_MIN;
|
|
|
|
r_shadelight = lighting.shadelight;
|
|
|
|
if (r_shadelight < 0)
|
|
r_shadelight = 0;
|
|
|
|
r_shadelight *= VID_GRADES;
|
|
|
|
// rotate the lighting vector into the model's frame of reference
|
|
r_plightvec[0] = DotProduct( lighting.plightvec, s_alias_forward );
|
|
r_plightvec[1] = -DotProduct( lighting.plightvec, s_alias_right );
|
|
r_plightvec[2] = DotProduct( lighting.plightvec, s_alias_up );
|
|
}
|
|
|
|
|
|
/*
|
|
=================
|
|
R_AliasSetupFrames
|
|
|
|
=================
|
|
*/
|
|
void R_AliasSetupFrames( dmdl_t *pmdl )
|
|
{
|
|
int thisframe = currententity->frame;
|
|
int lastframe = currententity->oldframe;
|
|
|
|
if ( ( thisframe >= pmdl->num_frames ) || ( thisframe < 0 ) )
|
|
{
|
|
ri.Con_Printf (PRINT_ALL, "R_AliasSetupFrames %s: no such thisframe %d\n",
|
|
currentmodel->name, thisframe);
|
|
thisframe = 0;
|
|
}
|
|
if ( ( lastframe >= pmdl->num_frames ) || ( lastframe < 0 ) )
|
|
{
|
|
ri.Con_Printf (PRINT_ALL, "R_AliasSetupFrames %s: no such lastframe %d\n",
|
|
currentmodel->name, lastframe);
|
|
lastframe = 0;
|
|
}
|
|
|
|
r_thisframe = (daliasframe_t *)((byte *)pmdl + pmdl->ofs_frames
|
|
+ thisframe * pmdl->framesize);
|
|
|
|
r_lastframe = (daliasframe_t *)((byte *)pmdl + pmdl->ofs_frames
|
|
+ lastframe * pmdl->framesize);
|
|
}
|
|
|
|
/*
|
|
** R_AliasSetUpLerpData
|
|
**
|
|
** Precomputes lerp coefficients used for the whole frame.
|
|
*/
|
|
void R_AliasSetUpLerpData( dmdl_t *pmdl, float backlerp )
|
|
{
|
|
float frontlerp;
|
|
vec3_t translation, vectors[3];
|
|
int i;
|
|
|
|
frontlerp = 1.0F - backlerp;
|
|
|
|
/*
|
|
** convert entity's angles into discrete vectors for R, U, and F
|
|
*/
|
|
AngleVectors (currententity->angles, vectors[0], vectors[1], vectors[2]);
|
|
|
|
/*
|
|
** translation is the vector from last position to this position
|
|
*/
|
|
VectorSubtract (currententity->oldorigin, currententity->origin, translation);
|
|
|
|
/*
|
|
** move should be the delta back to the previous frame * backlerp
|
|
*/
|
|
r_lerp_move[0] = DotProduct(translation, vectors[0]); // forward
|
|
r_lerp_move[1] = -DotProduct(translation, vectors[1]); // left
|
|
r_lerp_move[2] = DotProduct(translation, vectors[2]); // up
|
|
|
|
VectorAdd( r_lerp_move, r_lastframe->translate, r_lerp_move );
|
|
|
|
for (i=0 ; i<3 ; i++)
|
|
{
|
|
r_lerp_move[i] = backlerp*r_lerp_move[i] + frontlerp * r_thisframe->translate[i];
|
|
}
|
|
|
|
for (i=0 ; i<3 ; i++)
|
|
{
|
|
r_lerp_frontv[i] = frontlerp * r_thisframe->scale[i];
|
|
r_lerp_backv[i] = backlerp * r_lastframe->scale[i];
|
|
}
|
|
}
|
|
|
|
/*
|
|
================
|
|
R_AliasDrawModel
|
|
================
|
|
*/
|
|
void R_AliasDrawModel (void)
|
|
{
|
|
extern void (*d_pdrawspans)(void *);
|
|
extern void R_PolysetDrawSpans8_Opaque( void * );
|
|
extern void R_PolysetDrawSpans8_33( void * );
|
|
extern void R_PolysetDrawSpans8_66( void * );
|
|
extern void R_PolysetDrawSpansConstant8_33( void * );
|
|
extern void R_PolysetDrawSpansConstant8_66( void * );
|
|
|
|
s_pmdl = (dmdl_t *)currentmodel->extradata;
|
|
|
|
if ( r_lerpmodels->value == 0 )
|
|
currententity->backlerp = 0;
|
|
|
|
if ( currententity->flags & RF_WEAPONMODEL )
|
|
{
|
|
if ( r_lefthand->value == 1.0F )
|
|
aliasxscale = -aliasxscale;
|
|
else if ( r_lefthand->value == 2.0F )
|
|
return;
|
|
}
|
|
|
|
/*
|
|
** we have to set our frame pointers and transformations before
|
|
** doing any real work
|
|
*/
|
|
R_AliasSetupFrames( s_pmdl );
|
|
R_AliasSetUpTransform();
|
|
|
|
// see if the bounding box lets us trivially reject, also sets
|
|
// trivial accept status
|
|
if ( R_AliasCheckBBox() == BBOX_TRIVIAL_REJECT )
|
|
{
|
|
if ( ( currententity->flags & RF_WEAPONMODEL ) && ( r_lefthand->value == 1.0F ) )
|
|
{
|
|
aliasxscale = -aliasxscale;
|
|
}
|
|
return;
|
|
}
|
|
|
|
// set up the skin and verify it exists
|
|
if ( !R_AliasSetupSkin () )
|
|
{
|
|
ri.Con_Printf( PRINT_ALL, "R_AliasDrawModel %s: NULL skin found\n",
|
|
currentmodel->name);
|
|
return;
|
|
}
|
|
|
|
r_amodels_drawn++;
|
|
R_AliasSetupLighting ();
|
|
|
|
/*
|
|
** select the proper span routine based on translucency
|
|
*/
|
|
// PMM - added double damage shell
|
|
// PMM - reordered to handle blending
|
|
if ( currententity->flags & ( RF_SHELL_RED | RF_SHELL_GREEN | RF_SHELL_BLUE | RF_SHELL_DOUBLE | RF_SHELL_HALF_DAM) )
|
|
{
|
|
int color;
|
|
|
|
// PMM - added double
|
|
color = currententity->flags & ( RF_SHELL_RED | RF_SHELL_GREEN | RF_SHELL_BLUE | RF_SHELL_DOUBLE | RF_SHELL_HALF_DAM);
|
|
// PMM - reordered, new shells after old shells (so they get overriden)
|
|
|
|
if ( color == RF_SHELL_RED )
|
|
r_aliasblendcolor = SHELL_RED_COLOR;
|
|
else if ( color == RF_SHELL_GREEN )
|
|
r_aliasblendcolor = SHELL_GREEN_COLOR;
|
|
else if ( color == RF_SHELL_BLUE )
|
|
r_aliasblendcolor = SHELL_BLUE_COLOR;
|
|
else if ( color == (RF_SHELL_RED | RF_SHELL_GREEN) )
|
|
r_aliasblendcolor = SHELL_RG_COLOR;
|
|
else if ( color == (RF_SHELL_RED | RF_SHELL_BLUE) )
|
|
r_aliasblendcolor = SHELL_RB_COLOR;
|
|
else if ( color == (RF_SHELL_BLUE | RF_SHELL_GREEN) )
|
|
r_aliasblendcolor = SHELL_BG_COLOR;
|
|
// PMM - added this .. it's yellowish
|
|
else if ( color == (RF_SHELL_DOUBLE) )
|
|
r_aliasblendcolor = SHELL_DOUBLE_COLOR;
|
|
else if ( color == (RF_SHELL_HALF_DAM) )
|
|
r_aliasblendcolor = SHELL_HALF_DAM_COLOR;
|
|
// pmm
|
|
else
|
|
r_aliasblendcolor = SHELL_WHITE_COLOR;
|
|
/* if ( color & RF_SHELL_RED )
|
|
{
|
|
if ( ( color & RF_SHELL_BLUE) && ( color & RF_SHELL_GREEN) )
|
|
r_aliasblendcolor = SHELL_WHITE_COLOR;
|
|
else if ( color & (RF_SHELL_BLUE | RF_SHELL_DOUBLE))
|
|
r_aliasblendcolor = SHELL_RB_COLOR;
|
|
else
|
|
r_aliasblendcolor = SHELL_RED_COLOR;
|
|
}
|
|
else if ( color & RF_SHELL_BLUE)
|
|
{
|
|
if ( color & RF_SHELL_DOUBLE )
|
|
r_aliasblendcolor = SHELL_CYAN_COLOR;
|
|
else
|
|
r_aliasblendcolor = SHELL_BLUE_COLOR;
|
|
}
|
|
else if ( color & (RF_SHELL_DOUBLE) )
|
|
r_aliasblendcolor = SHELL_DOUBLE_COLOR;
|
|
else if ( color & (RF_SHELL_HALF_DAM) )
|
|
r_aliasblendcolor = SHELL_HALF_DAM_COLOR;
|
|
else if ( color & RF_SHELL_GREEN )
|
|
r_aliasblendcolor = SHELL_GREEN_COLOR;
|
|
else
|
|
r_aliasblendcolor = SHELL_WHITE_COLOR;
|
|
*/
|
|
|
|
if ( currententity->alpha > 0.33 )
|
|
d_pdrawspans = R_PolysetDrawSpansConstant8_66;
|
|
else
|
|
d_pdrawspans = R_PolysetDrawSpansConstant8_33;
|
|
}
|
|
else if ( currententity->flags & RF_TRANSLUCENT )
|
|
{
|
|
if ( currententity->alpha > 0.66 )
|
|
d_pdrawspans = R_PolysetDrawSpans8_Opaque;
|
|
else if ( currententity->alpha > 0.33 )
|
|
d_pdrawspans = R_PolysetDrawSpans8_66;
|
|
else
|
|
d_pdrawspans = R_PolysetDrawSpans8_33;
|
|
}
|
|
else
|
|
{
|
|
d_pdrawspans = R_PolysetDrawSpans8_Opaque;
|
|
}
|
|
|
|
/*
|
|
** compute this_frame and old_frame addresses
|
|
*/
|
|
R_AliasSetUpLerpData( s_pmdl, currententity->backlerp );
|
|
|
|
if (currententity->flags & RF_DEPTHHACK)
|
|
s_ziscale = (float)0x8000 * (float)0x10000 * 3.0;
|
|
else
|
|
s_ziscale = (float)0x8000 * (float)0x10000;
|
|
|
|
R_AliasPreparePoints ();
|
|
|
|
if ( ( currententity->flags & RF_WEAPONMODEL ) && ( r_lefthand->value == 1.0F ) )
|
|
{
|
|
aliasxscale = -aliasxscale;
|
|
}
|
|
}
|
|
|
|
|
|
|