Renamed source tree subdirectory into ‘src’, moved ‘asm’ subdirectory there and renamed it into ‘i386’.

1 files changed, 0 insertions, 795 deletions

diff --git a/source/sw_alias.c b/source/sw_alias.c
deleted file mode 100644
index 33f52b6..0000000
--- a/source/sw_alias.c
+++ /dev/null
@@ -1,795 +0,0 @@
-/*
-Copyright (C) 1997-2001 Id Software, Inc.
-
-This program is free software; you can redistribute it and/or
-modify it under the terms of the GNU General Public License
-as published by the Free Software Foundation; either version 2
-of the License, or (at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
-
-See the GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
-
-*/
-// r_alias.c: routines for setting up to draw alias models
-
-/*
-** use a real variable to control lerping
-*/
-#include "sw_local.h"
-
-#define LIGHT_MIN   5       // lowest light value we'll allow, to avoid the
-                            //  need for inner-loop light clamping
-
-//PGM
-extern byte iractive;
-//PGM
-
-int             r_amodels_drawn;
-
-affinetridesc_t r_affinetridesc;
-
-vec3_t          r_plightvec;
-vec3_t          r_lerped[1024];
-vec3_t          r_lerp_frontv, r_lerp_backv, r_lerp_move;
-
-int             r_ambientlight;
-int             r_aliasblendcolor;
-float           r_shadelight;
-
-
-maliasframe_t   *r_thisframe, *r_lastframe;
-
-float   aliastransform[3][4];
-float   aliasworldtransform[3][4];
-float   aliasoldworldtransform[3][4];
-
-static float    s_ziscale;
-static vec3_t   s_alias_forward, s_alias_right, s_alias_up;
-
-#define BBOX_TRIVIAL_ACCEPT 0
-#define BBOX_MUST_CLIP_XY   1
-#define BBOX_MUST_CLIP_Z    2
-#define BBOX_TRIVIAL_REJECT 8
-
-/*
-================
-R_AliasTransformVector
-================
-*/
-void R_AliasTransformVector(vec3_t in, vec3_t out, float xf[3][4] )
-{
-    out[0] = DotProduct(in, xf[0]) + xf[0][3];
-    out[1] = DotProduct(in, xf[1]) + xf[1][3];
-    out[2] = DotProduct(in, xf[2]) + xf[2][3];
-}
-
-
-/*
-** R_AliasCheckFrameBBox
-**
-** Checks a specific alias frame bounding box
-*/
-unsigned long R_AliasCheckFrameBBox( maliasframe_t *frame, float worldxf[3][4] )
-{
-    unsigned long aggregate_and_clipcode = ~0U, 
-                  aggregate_or_clipcode = 0;
-    int           i;
-    vec3_t        mins, maxs;
-    vec3_t        transformed_min, transformed_max;
-    qboolean      zclipped = qfalse, zfullyclipped = qtrue;
-
-    /*
-    ** get the exact frame bounding box
-    */
-    for (i=0 ; i<3 ; i++)
-    {
-        mins[i] = frame->translate[i];
-        maxs[i] = mins[i] + frame->scale[i]*255;
-    }
-
-    /*
-    ** transform the min and max values into view space
-    */
-    R_AliasTransformVector( mins, transformed_min, aliastransform );
-    R_AliasTransformVector( maxs, transformed_max, aliastransform );
-
-    if ( transformed_min[2] >= ALIAS_Z_CLIP_PLANE )
-        zfullyclipped = qfalse;
-    if ( transformed_max[2] >= ALIAS_Z_CLIP_PLANE )
-        zfullyclipped = qfalse;
-
-    if ( zfullyclipped )
-    {
-        return BBOX_TRIVIAL_REJECT;
-    }
-    if ( zclipped )
-    {
-        return ( BBOX_MUST_CLIP_XY | BBOX_MUST_CLIP_Z );
-    }
-
-    /*
-    ** build a transformed bounding box from the given min and max
-    */
-    for ( i = 0; i < 8; i++ )
-    {
-        int      j;
-        vec3_t   tmp, transformed;
-        unsigned long clipcode = 0;
-
-        if ( i & 1 )
-            tmp[0] = mins[0];
-        else
-            tmp[0] = maxs[0];
-
-        if ( i & 2 )
-            tmp[1] = mins[1];
-        else
-            tmp[1] = maxs[1];
-
-        if ( i & 4 )
-            tmp[2] = mins[2];
-        else
-            tmp[2] = maxs[2];
-
-        R_AliasTransformVector( tmp, transformed, worldxf );
-
-        for ( j = 0; j < 4; j++ )
-        {
-            float dp = DotProduct( transformed, view_clipplanes[j].normal );
-
-            if ( ( dp - view_clipplanes[j].dist ) < 0.0F )
-                clipcode |= 1 << j;
-        }
-
-        aggregate_and_clipcode &= clipcode;
-        aggregate_or_clipcode  |= clipcode;
-    }
-
-    if ( aggregate_and_clipcode )
-    {
-        return BBOX_TRIVIAL_REJECT;
-    }
-    if ( !aggregate_or_clipcode )
-    {
-        return BBOX_TRIVIAL_ACCEPT;
-    }
-
-    return BBOX_MUST_CLIP_XY;
-}
-
-/*
-================
-R_AliasCheckBBox
-================
-*/
-qboolean R_AliasCheckBBox (void)
-{
-    unsigned long ccodes[2] = { 0, 0 };
-
-    ccodes[0] = R_AliasCheckFrameBBox( r_thisframe, aliasworldtransform );
-
-    /*
-    ** non-lerping model
-    */
-    if ( currententity->backlerp == 0 )
-    {
-        if ( ccodes[0] == BBOX_TRIVIAL_ACCEPT )
-            return BBOX_TRIVIAL_ACCEPT;
-        else if ( ccodes[0] & BBOX_TRIVIAL_REJECT )
-            return BBOX_TRIVIAL_REJECT;
-        else
-            return ( ccodes[0] & ~BBOX_TRIVIAL_REJECT );
-    }
-
-    ccodes[1] = R_AliasCheckFrameBBox( r_lastframe, aliasoldworldtransform );
-
-    if ( ( ccodes[0] | ccodes[1] ) == BBOX_TRIVIAL_ACCEPT )
-        return BBOX_TRIVIAL_ACCEPT;
-    else if ( ( ccodes[0] & ccodes[1] ) & BBOX_TRIVIAL_REJECT )
-        return BBOX_TRIVIAL_REJECT;
-    else
-        return ( ccodes[0] | ccodes[1] ) & ~BBOX_TRIVIAL_REJECT;
-}
-
-
-/*
-================
-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_AliasTransformFinalVerts
-================
-*/
-static void R_AliasTransformFinalVerts( int numpoints, finalvert_t *fv, maliasvert_t *oldv, maliasvert_t *newv )
-{
-    int i;
-
-    for ( i = 0; i < numpoints; i++, fv++, oldv++, newv++ )
-    {
-        int         temp;
-        float       lightcos;
-        const vec_t *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 = bytedirs[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 );
-        }
-    }
-}
-
-
-/*
-================
-R_AliasPreparePoints
-
-General clipped case
-================
-*/
-static void R_AliasPreparePoints (void) {
-    int         i;
-    maliasst_t  *pstverts;
-    maliastri_t *ptri;
-    finalvert_t *pfv[3];
-    finalvert_t finalverts[MAXALIASVERTS +
-                        ((CACHE_SIZE - 1) / sizeof(finalvert_t)) + 3];
-    finalvert_t *pfinalverts;
-
-//PGM
-    iractive = (r_newrefdef.rdflags & RDF_IRGOGGLES && currententity->flags & RF_IR_VISIBLE);
-//  iractive = 0;
-//  if(r_newrefdef.rdflags & RDF_IRGOGGLES && currententity->flags & RF_IR_VISIBLE)
-//      iractive = 1;
-//PGM
-
-    // put work vertexes on stack, cache aligned
-    pfinalverts = (finalvert_t *)
-            (((long)&finalverts[0] + CACHE_SIZE - 1) & ~(CACHE_SIZE - 1));
-
-    R_AliasTransformFinalVerts( currentmodel->numverts, pfinalverts,
-                                r_lastframe->verts, r_thisframe->verts );
-
-// clip and draw all triangles
-//
-    pstverts = currentmodel->sts;
-    ptri = currentmodel->tris;
-
-    if ( ( currententity->flags & (RF_WEAPONMODEL|RF_LEFTHAND) ) == (RF_WEAPONMODEL|RF_LEFTHAND) )
-    {
-        for (i=0 ; i<currentmodel->numtris ; i++, ptri++)
-        {
-            pfv[0] = &pfinalverts[ptri->index_xyz[0]];
-            pfv[1] = &pfinalverts[ptri->index_xyz[1]];
-            pfv[2] = &pfinalverts[ptri->index_xyz[2]];
-
-            if ( pfv[0]->flags & pfv[1]->flags & pfv[2]->flags )
-                continue;       // completely clipped
-
-            // insert s/t coordinates
-            pfv[0]->s = pstverts[ptri->index_st[0]].s << 16;
-            pfv[0]->t = pstverts[ptri->index_st[0]].t << 16;
-
-            pfv[1]->s = pstverts[ptri->index_st[1]].s << 16;
-            pfv[1]->t = pstverts[ptri->index_st[1]].t << 16;
-
-            pfv[2]->s = pstverts[ptri->index_st[2]].s << 16;
-            pfv[2]->t = pstverts[ptri->index_st[2]].t << 16;
-
-            if ( ! (pfv[0]->flags | pfv[1]->flags | pfv[2]->flags) )
-            {   // totally unclipped
-                aliastriangleparms.a = pfv[2];
-                aliastriangleparms.b = pfv[1];
-                aliastriangleparms.c = pfv[0];
-
-                R_DrawTriangle();
-            }
-            else
-            {
-                R_AliasClipTriangle (pfv[2], pfv[1], pfv[0]);
-            }
-        }
-    }
-    else
-    {
-        for (i=0 ; i<currentmodel->numtris ; i++, ptri++)
-        {
-            pfv[0] = &pfinalverts[ptri->index_xyz[0]];
-            pfv[1] = &pfinalverts[ptri->index_xyz[1]];
-            pfv[2] = &pfinalverts[ptri->index_xyz[2]];
-
-            if ( pfv[0]->flags & pfv[1]->flags & pfv[2]->flags )
-                continue;       // completely clipped
-
-            // insert s/t coordinates
-            pfv[0]->s = pstverts[ptri->index_st[0]].s << 16;
-            pfv[0]->t = pstverts[ptri->index_st[0]].t << 16;
-
-            pfv[1]->s = pstverts[ptri->index_st[1]].s << 16;
-            pfv[1]->t = pstverts[ptri->index_st[1]].t << 16;
-
-            pfv[2]->s = pstverts[ptri->index_st[2]].s << 16;
-            pfv[2]->t = pstverts[ptri->index_st[2]].t << 16;
-
-            if ( ! (pfv[0]->flags | pfv[1]->flags | pfv[2]->flags) )
-            {   // totally unclipped
-                aliastriangleparms.a = pfv[0];
-                aliastriangleparms.b = pfv[1];
-                aliastriangleparms.c = pfv[2];
-
-                R_DrawTriangle();
-            }
-            else        
-            {   // partially clipped
-                R_AliasClipTriangle (pfv[0], pfv[1], pfv[2]);
-            }
-        }
-    }
-}
-
-
-/*
-================
-R_AliasSetUpTransform
-================
-*/
-static void R_AliasSetUpTransform (void)
-{
-    int             i;
-    static float    viewmatrix[3][4];
-    vec3_t          angles;
-
-// TODO: should really be stored with the entity instead of being reconstructed
-// TODO: should use a look-up table
-// TODO: could cache lazily, stored in the entity
-// 
-    angles[ROLL] = currententity->angles[ROLL];
-    angles[PITCH] = currententity->angles[PITCH];
-    angles[YAW] = currententity->angles[YAW];
-    AngleVectors( angles, s_alias_forward, s_alias_right, s_alias_up );
-
-// TODO: can do this with simple matrix rearrangement
-
-    memset( aliasworldtransform, 0, sizeof( aliasworldtransform ) );
-    memset( aliasoldworldtransform, 0, sizeof( aliasworldtransform ) );
-
-    for (i=0 ; i<3 ; i++)
-    {
-        aliasoldworldtransform[i][0] = aliasworldtransform[i][0] =  s_alias_forward[i];
-        aliasoldworldtransform[i][0] = aliasworldtransform[i][1] = -s_alias_right[i];
-        aliasoldworldtransform[i][0] = aliasworldtransform[i][2] =  s_alias_up[i];
-    }
-
-    aliasworldtransform[0][3] = currententity->origin[0]-r_origin[0];
-    aliasworldtransform[1][3] = currententity->origin[1]-r_origin[1];
-    aliasworldtransform[2][3] = currententity->origin[2]-r_origin[2];
-
-    aliasoldworldtransform[0][3] = currententity->oldorigin[0]-r_origin[0];
-    aliasoldworldtransform[1][3] = currententity->oldorigin[1]-r_origin[1];
-    aliasoldworldtransform[2][3] = currententity->oldorigin[2]-r_origin[2];
-
-// FIXME: can do more efficiently than full concatenation
-//  memcpy( rotationmatrix, t2matrix, sizeof( rotationmatrix ) );
-
-//  R_ConcatTransforms (t2matrix, tmatrix, rotationmatrix);
-
-// TODO: should be global, set when vright, etc., set
-    VectorCopy (vright, viewmatrix[0]);
-    VectorCopy (vup, viewmatrix[1]);
-    VectorNegate (viewmatrix[1], viewmatrix[1]);
-    VectorCopy (vpn, viewmatrix[2]);
-
-    viewmatrix[0][3] = 0;
-    viewmatrix[1][3] = 0;
-    viewmatrix[2][3] = 0;
-
-//  memcpy( aliasworldtransform, rotationmatrix, sizeof( aliastransform ) );
-
-    R_ConcatTransforms (viewmatrix, aliasworldtransform, aliastransform);
-
-    aliasworldtransform[0][3] = currententity->origin[0];
-    aliasworldtransform[1][3] = currententity->origin[1];
-    aliasworldtransform[2][3] = currententity->origin[2];
-
-    aliasoldworldtransform[0][3] = currententity->oldorigin[0];
-    aliasoldworldtransform[1][3] = currententity->oldorigin[1];
-    aliasoldworldtransform[2][3] = currententity->oldorigin[2];
-}
-
-/*
-===============
-R_AliasSetupSkin
-===============
-*/
-static qboolean R_AliasSetupSkin (void)
-{
-    int             skinnum;
-    image_t         *pskindesc;
-
-    if (currententity->skin)
-        pskindesc = IMG_ForHandle( currententity->skin );
-    else
-    {
-        skinnum = currententity->skinnum;
-        if ((skinnum >= currentmodel->numskins) || (skinnum < 0))
-        {
-            Com_DPrintf( "R_AliasSetupSkin %s: no such skin # %d\n", 
-                currentmodel->name, skinnum);
-            skinnum = 0;
-        }
-
-        pskindesc = currentmodel->skins[skinnum];
-    }
-
-    if ( !pskindesc )
-        return qfalse;
-
-    r_affinetridesc.pskin = pskindesc->pixels[0];
-    r_affinetridesc.skinwidth = pskindesc->width;
-    r_affinetridesc.skinheight = pskindesc->height;
-
-    R_PolysetUpdateTables ();       // FIXME: precalc edge lookups
-
-    return qtrue;
-}
-
-
-/*
-================
-R_AliasSetupLighting
-
-  FIXME: put lighting into tables
-================
-*/
-static 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);
-    }
-
-
-    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
-
-=================
-*/
-static void R_AliasSetupFrames( void ) {
-    int thisframe = currententity->frame;
-    int lastframe = currententity->oldframe;
-
-    if( thisframe >= currentmodel->numframes || thisframe < 0 ) {
-        Com_DPrintf( "%s: %s: no such thisframe %d\n", 
-            __func__, currentmodel->name, thisframe);
-        thisframe = 0;
-    }
-    if( lastframe >= currentmodel->numframes || lastframe < 0 ) {
-        Com_DPrintf( "%s: %s: no such lastframe %d\n", 
-            __func__, currentmodel->name, lastframe);
-        lastframe = 0;
-    }
-
-    r_thisframe = &currentmodel->frames[thisframe];
-    r_lastframe = &currentmodel->frames[lastframe];
-}
-
-/*
-** R_AliasSetUpLerpData
-**
-** Precomputes lerp coefficients used for the whole frame.
-*/
-static void R_AliasSetUpLerpData( 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];
-    }
-}
-
-static void R_AliasSetupBlend( 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 * );
-
-    int     color;
-
-    /*
-    ** select the proper span routine based on translucency
-    */
-    // PMM - added double damage shell
-    // PMM - reordered to handle blending
-    color = currententity->flags & ( RF_SHELL_RED | RF_SHELL_GREEN | RF_SHELL_BLUE | RF_SHELL_DOUBLE | RF_SHELL_HALF_DAM);
-    if ( color )
-    {
-        // PMM - added double
-        // 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 ( 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;
-    }
-}
-
-/*
-================
-R_AliasDrawModel
-================
-*/
-void R_AliasDrawModel (void)
-{
-    if ( r_lerpmodels->value == 0 )
-        currententity->backlerp = 0;
-
-    if ( ( currententity->flags & (RF_WEAPONMODEL|RF_LEFTHAND) ) == (RF_WEAPONMODEL|RF_LEFTHAND) )
-    {
-        aliasxscale = -aliasxscale;
-    }
-
-    /*
-    ** we have to set our frame pointers and transformations before
-    ** doing any real work
-    */
-    R_AliasSetupFrames();
-    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|RF_LEFTHAND) ) == (RF_WEAPONMODEL|RF_LEFTHAND) )
-        {
-            aliasxscale = -aliasxscale;
-        }
-        return;
-    }
-
-    // set up the skin and verify it exists
-    if ( !R_AliasSetupSkin () )
-    {
-        Com_DPrintf( "R_AliasDrawModel %s: NULL skin found\n",
-            currentmodel->name);
-        return;
-    }
-
-    r_amodels_drawn++;
-    R_AliasSetupLighting ();
-
-    R_AliasSetupBlend();
-    
-    /*
-    ** compute this_frame and old_frame addresses
-    */
-    R_AliasSetUpLerpData( 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|RF_LEFTHAND) ) == (RF_WEAPONMODEL|RF_LEFTHAND) )
-    {
-        aliasxscale = -aliasxscale;
-    }
-}
-
-
-