mirror of
https://git.code.sf.net/p/quake/quakeforge-old
synced 2025-03-22 17:01:04 +00:00
Simplified COM_Block*Checksum (don't worry, it's still compatible -- I
tested it), merged r_alias.c (note the FIXME at the end of r_alias.c)
This commit is contained in:
Jeff Teunissen
parent
5761d2f334
commit
518401c90c
3 changed files with 18 additions and 768 deletions
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@ -32,12 +32,12 @@ unsigned Com_BlockChecksum (void *buffer, int length)
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{
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int digest[4];
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unsigned val;
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struct mdfour md;
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// struct mdfour md;
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mdfour_begin (&md);
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mdfour_update (&md, (unsigned char *) buffer, length);
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mdfour_result (&md, (unsigned char *) digest);
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// mdfour ( (unsigned char *) digest, (unsigned char *) buffer, length );
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// mdfour_begin (&md);
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// mdfour_update (&md, (unsigned char *) buffer, length);
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// mdfour_result (&md, (unsigned char *) digest);
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mdfour ( (unsigned char *) digest, (unsigned char *) buffer, length );
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val = digest[0] ^ digest[1] ^ digest[2] ^ digest[3];
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@ -46,10 +46,10 @@ unsigned Com_BlockChecksum (void *buffer, int length)
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void Com_BlockFullChecksum (void *buffer, int len, unsigned char *outbuf)
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{
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struct mdfour md;
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// struct mdfour md;
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mdfour_begin (&md);
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mdfour_update (&md, (unsigned char *) buffer, len);
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mdfour_result (&md, outbuf);
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// mdfour ( outbuf, (unsigned char *) buffer, len );
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// mdfour_begin (&md);
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// mdfour_update (&md, (unsigned char *) buffer, len);
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// mdfour_result (&md, outbuf);
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mdfour ( outbuf, (unsigned char *) buffer, len );
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}
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@ -607,7 +607,8 @@ void R_AliasSetupSkin (void)
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r_affinetridesc.skinwidth = a_skinwidth;
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r_affinetridesc.seamfixupX16 = (a_skinwidth >> 1) << 16;
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r_affinetridesc.skinheight = pmdl->skinheight;
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#ifdef QUAKEWORLD
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if (currententity->scoreboard)
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{
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byte *base;
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@ -622,6 +623,7 @@ void R_AliasSetupSkin (void)
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r_affinetridesc.skinheight = 200;
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}
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}
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#endif // QUAKEWORLD
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}
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/*
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@ -742,16 +744,17 @@ void R_AliasDrawModel (alight_t *plighting)
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r_affinetridesc.drawtype = (currententity->trivial_accept == 3) &&
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r_recursiveaffinetriangles;
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if (r_affinetridesc.drawtype)
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{
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if (r_affinetridesc.drawtype) {
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D_PolysetUpdateTables (); // FIXME: precalc...
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}
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#ifdef QUAKEWORLD // FIXME: Is this needed?
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#if id386
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else
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{
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#if id386
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D_Aff8Patch (currententity->colormap);
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#endif
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}
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#endif
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#endif
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acolormap = currententity->colormap;
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753
uquake/r_alias.c
753
uquake/r_alias.c
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@ -1,753 +0,0 @@
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/*
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Copyright (C) 1996-1997 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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#include "quakedef.h"
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#include "r_local.h"
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#include "d_local.h" // FIXME: shouldn't be needed (is needed for patch
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// right now, but that should move)
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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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mtriangle_t *ptriangles;
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affinetridesc_t r_affinetridesc;
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void * acolormap; // FIXME: should go away
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trivertx_t *r_apverts;
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// TODO: these probably will go away with optimized rasterization
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mdl_t *pmdl;
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vec3_t r_plightvec;
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int r_ambientlight;
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float r_shadelight;
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aliashdr_t *paliashdr;
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finalvert_t *pfinalverts;
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auxvert_t *pauxverts;
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static float ziscale;
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static model_t *pmodel;
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static vec3_t alias_forward, alias_right, alias_up;
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static maliasskindesc_t *pskindesc;
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int r_amodels_drawn;
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int a_skinwidth;
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int r_anumverts;
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float aliastransform[3][4];
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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 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_AliasTransformAndProjectFinalVerts (finalvert_t *fv,
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stvert_t *pstverts);
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void R_AliasSetUpTransform (int trivial_accept);
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void R_AliasTransformVector (vec3_t in, vec3_t out);
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void R_AliasTransformFinalVert (finalvert_t *fv, auxvert_t *av,
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trivertx_t *pverts, stvert_t *pstverts);
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void R_AliasProjectFinalVert (finalvert_t *fv, auxvert_t *av);
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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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qboolean R_AliasCheckBBox (void)
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{
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int i, flags, frame, numv;
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aliashdr_t *pahdr;
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float zi, basepts[8][3], v0, v1, frac;
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finalvert_t *pv0, *pv1, viewpts[16];
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auxvert_t *pa0, *pa1, viewaux[16];
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maliasframedesc_t *pframedesc;
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qboolean zclipped, zfullyclipped;
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unsigned anyclip, allclip;
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int minz;
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// expand, rotate, and translate points into worldspace
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currententity->trivial_accept = 0;
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pmodel = currententity->model;
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pahdr = Mod_Extradata (pmodel);
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pmdl = (mdl_t *)((byte *)pahdr + pahdr->model);
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R_AliasSetUpTransform (0);
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// construct the base bounding box for this frame
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frame = currententity->frame;
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// TODO: don't repeat this check when drawing?
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if ((frame >= pmdl->numframes) || (frame < 0))
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{
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Con_DPrintf ("No such frame %d %s\n", frame,
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pmodel->name);
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frame = 0;
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}
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pframedesc = &pahdr->frames[frame];
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// x worldspace coordinates
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basepts[0][0] = basepts[1][0] = basepts[2][0] = basepts[3][0] =
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(float)pframedesc->bboxmin.v[0];
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basepts[4][0] = basepts[5][0] = basepts[6][0] = basepts[7][0] =
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(float)pframedesc->bboxmax.v[0];
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// y worldspace coordinates
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basepts[0][1] = basepts[3][1] = basepts[5][1] = basepts[6][1] =
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(float)pframedesc->bboxmin.v[1];
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basepts[1][1] = basepts[2][1] = basepts[4][1] = basepts[7][1] =
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(float)pframedesc->bboxmax.v[1];
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// z worldspace coordinates
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basepts[0][2] = basepts[1][2] = basepts[4][2] = basepts[5][2] =
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(float)pframedesc->bboxmin.v[2];
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basepts[2][2] = basepts[3][2] = basepts[6][2] = basepts[7][2] =
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(float)pframedesc->bboxmax.v[2];
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zclipped = false;
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zfullyclipped = true;
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minz = 9999;
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for (i=0; i<8 ; i++)
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{
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R_AliasTransformVector (&basepts[i][0], &viewaux[i].fv[0]);
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if (viewaux[i].fv[2] < ALIAS_Z_CLIP_PLANE)
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{
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// we must clip points that are closer than the near clip plane
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viewpts[i].flags = ALIAS_Z_CLIP;
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zclipped = true;
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}
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else
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{
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if (viewaux[i].fv[2] < minz)
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minz = viewaux[i].fv[2];
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viewpts[i].flags = 0;
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zfullyclipped = false;
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}
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}
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if (zfullyclipped)
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{
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return false; // everything was near-z-clipped
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}
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numv = 8;
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if (zclipped)
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{
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// organize points by edges, use edges to get new points (possible trivial
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// reject)
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for (i=0 ; i<12 ; i++)
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{
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// edge endpoints
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pv0 = &viewpts[aedges[i].index0];
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pv1 = &viewpts[aedges[i].index1];
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pa0 = &viewaux[aedges[i].index0];
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pa1 = &viewaux[aedges[i].index1];
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// if one end is clipped and the other isn't, make a new point
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if (pv0->flags ^ pv1->flags)
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{
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frac = (ALIAS_Z_CLIP_PLANE - pa0->fv[2]) /
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(pa1->fv[2] - pa0->fv[2]);
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viewaux[numv].fv[0] = pa0->fv[0] +
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(pa1->fv[0] - pa0->fv[0]) * frac;
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viewaux[numv].fv[1] = pa0->fv[1] +
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(pa1->fv[1] - pa0->fv[1]) * frac;
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viewaux[numv].fv[2] = ALIAS_Z_CLIP_PLANE;
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viewpts[numv].flags = 0;
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numv++;
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}
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}
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}
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// project the vertices that remain after clipping
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anyclip = 0;
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allclip = ALIAS_XY_CLIP_MASK;
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// TODO: probably should do this loop in ASM, especially if we use floats
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for (i=0 ; i<numv ; i++)
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{
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// we don't need to bother with vertices that were z-clipped
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if (viewpts[i].flags & ALIAS_Z_CLIP)
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continue;
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zi = 1.0 / viewaux[i].fv[2];
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// FIXME: do with chop mode in ASM, or convert to float
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v0 = (viewaux[i].fv[0] * xscale * zi) + xcenter;
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v1 = (viewaux[i].fv[1] * yscale * zi) + ycenter;
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flags = 0;
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if (v0 < r_refdef.fvrectx)
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flags |= ALIAS_LEFT_CLIP;
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if (v1 < r_refdef.fvrecty)
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flags |= ALIAS_TOP_CLIP;
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if (v0 > r_refdef.fvrectright)
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flags |= ALIAS_RIGHT_CLIP;
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if (v1 > r_refdef.fvrectbottom)
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flags |= ALIAS_BOTTOM_CLIP;
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anyclip |= flags;
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allclip &= flags;
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}
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if (allclip)
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return false; // trivial reject off one side
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currententity->trivial_accept = !anyclip & !zclipped;
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if (currententity->trivial_accept)
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{
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if (minz > (r_aliastransition + (pmdl->size * r_resfudge)))
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{
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currententity->trivial_accept |= 2;
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}
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}
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return true;
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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)
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{
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out[0] = DotProduct(in, aliastransform[0]) + aliastransform[0][3];
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out[1] = DotProduct(in, aliastransform[1]) + aliastransform[1][3];
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out[2] = DotProduct(in, aliastransform[2]) + aliastransform[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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void R_AliasPreparePoints (void)
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{
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int i;
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stvert_t *pstverts;
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finalvert_t *fv;
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auxvert_t *av;
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mtriangle_t *ptri;
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finalvert_t *pfv[3];
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pstverts = (stvert_t *)((byte *)paliashdr + paliashdr->stverts);
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r_anumverts = pmdl->numverts;
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fv = pfinalverts;
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av = pauxverts;
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for (i=0 ; i<r_anumverts ; i++, fv++, av++, r_apverts++, pstverts++)
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{
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R_AliasTransformFinalVert (fv, av, r_apverts, pstverts);
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if (av->fv[2] < ALIAS_Z_CLIP_PLANE)
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fv->flags |= ALIAS_Z_CLIP;
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else
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{
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R_AliasProjectFinalVert (fv, av);
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if (fv->v[0] < r_refdef.aliasvrect.x)
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fv->flags |= ALIAS_LEFT_CLIP;
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if (fv->v[1] < r_refdef.aliasvrect.y)
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fv->flags |= ALIAS_TOP_CLIP;
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if (fv->v[0] > r_refdef.aliasvrectright)
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fv->flags |= ALIAS_RIGHT_CLIP;
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if (fv->v[1] > r_refdef.aliasvrectbottom)
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fv->flags |= ALIAS_BOTTOM_CLIP;
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}
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}
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//
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// clip and draw all triangles
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//
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r_affinetridesc.numtriangles = 1;
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ptri = (mtriangle_t *)((byte *)paliashdr + paliashdr->triangles);
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for (i=0 ; i<pmdl->numtris ; i++, ptri++)
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{
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pfv[0] = &pfinalverts[ptri->vertindex[0]];
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pfv[1] = &pfinalverts[ptri->vertindex[1]];
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pfv[2] = &pfinalverts[ptri->vertindex[2]];
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if ( pfv[0]->flags & pfv[1]->flags & pfv[2]->flags & (ALIAS_XY_CLIP_MASK | ALIAS_Z_CLIP) )
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continue; // completely clipped
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if ( ! ( (pfv[0]->flags | pfv[1]->flags | pfv[2]->flags) &
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(ALIAS_XY_CLIP_MASK | ALIAS_Z_CLIP) ) )
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{ // totally unclipped
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r_affinetridesc.pfinalverts = pfinalverts;
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r_affinetridesc.ptriangles = ptri;
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D_PolysetDraw ();
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}
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else
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{ // partially clipped
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R_AliasClipTriangle (ptri);
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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 (int trivial_accept)
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{
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int i;
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float rotationmatrix[3][4], t2matrix[3][4];
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static float tmatrix[3][4];
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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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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, alias_forward, alias_right, alias_up);
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tmatrix[0][0] = pmdl->scale[0];
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tmatrix[1][1] = pmdl->scale[1];
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tmatrix[2][2] = pmdl->scale[2];
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tmatrix[0][3] = pmdl->scale_origin[0];
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tmatrix[1][3] = pmdl->scale_origin[1];
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tmatrix[2][3] = pmdl->scale_origin[2];
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// TODO: can do this with simple matrix rearrangement
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for (i=0 ; i<3 ; i++)
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{
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t2matrix[i][0] = alias_forward[i];
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t2matrix[i][1] = -alias_right[i];
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t2matrix[i][2] = alias_up[i];
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}
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t2matrix[0][3] = -modelorg[0];
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t2matrix[1][3] = -modelorg[1];
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t2matrix[2][3] = -modelorg[2];
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// FIXME: can do more efficiently than full concatenation
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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;
|
||||
// viewmatrix[1][3] = 0;
|
||||
// viewmatrix[2][3] = 0;
|
||||
|
||||
R_ConcatTransforms (viewmatrix, rotationmatrix, aliastransform);
|
||||
|
||||
// do the scaling up of x and y to screen coordinates as part of the transform
|
||||
// for the unclipped case (it would mess up clipping in the clipped case).
|
||||
// Also scale down z, so 1/z is scaled 31 bits for free, and scale down x and y
|
||||
// correspondingly so the projected x and y come out right
|
||||
// FIXME: make this work for clipped case too?
|
||||
if (trivial_accept)
|
||||
{
|
||||
for (i=0 ; i<4 ; i++)
|
||||
{
|
||||
aliastransform[0][i] *= aliasxscale *
|
||||
(1.0 / ((float)0x8000 * 0x10000));
|
||||
aliastransform[1][i] *= aliasyscale *
|
||||
(1.0 / ((float)0x8000 * 0x10000));
|
||||
aliastransform[2][i] *= 1.0 / ((float)0x8000 * 0x10000);
|
||||
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
================
|
||||
R_AliasTransformFinalVert
|
||||
================
|
||||
*/
|
||||
void R_AliasTransformFinalVert (finalvert_t *fv, auxvert_t *av,
|
||||
trivertx_t *pverts, stvert_t *pstverts)
|
||||
{
|
||||
int temp;
|
||||
float lightcos, *plightnormal;
|
||||
|
||||
av->fv[0] = DotProduct(pverts->v, aliastransform[0]) +
|
||||
aliastransform[0][3];
|
||||
av->fv[1] = DotProduct(pverts->v, aliastransform[1]) +
|
||||
aliastransform[1][3];
|
||||
av->fv[2] = DotProduct(pverts->v, aliastransform[2]) +
|
||||
aliastransform[2][3];
|
||||
|
||||
fv->v[2] = pstverts->s;
|
||||
fv->v[3] = pstverts->t;
|
||||
|
||||
fv->flags = pstverts->onseam;
|
||||
|
||||
// lighting
|
||||
plightnormal = r_avertexnormals[pverts->lightnormalindex];
|
||||
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->v[4] = temp;
|
||||
}
|
||||
|
||||
|
||||
#if !id386
|
||||
|
||||
/*
|
||||
================
|
||||
R_AliasTransformAndProjectFinalVerts
|
||||
================
|
||||
*/
|
||||
void R_AliasTransformAndProjectFinalVerts (finalvert_t *fv, stvert_t *pstverts)
|
||||
{
|
||||
int i, temp;
|
||||
float lightcos, *plightnormal, zi;
|
||||
trivertx_t *pverts;
|
||||
|
||||
pverts = r_apverts;
|
||||
|
||||
for (i=0 ; i<r_anumverts ; i++, fv++, pverts++, pstverts++)
|
||||
{
|
||||
// transform and project
|
||||
zi = 1.0 / (DotProduct(pverts->v, aliastransform[2]) +
|
||||
aliastransform[2][3]);
|
||||
|
||||
// x, y, and z are scaled down by 1/2**31 in the transform, so 1/z is
|
||||
// scaled up by 1/2**31, and the scaling cancels out for x and y in the
|
||||
// projection
|
||||
fv->v[5] = zi;
|
||||
|
||||
fv->v[0] = ((DotProduct(pverts->v, aliastransform[0]) +
|
||||
aliastransform[0][3]) * zi) + aliasxcenter;
|
||||
fv->v[1] = ((DotProduct(pverts->v, aliastransform[1]) +
|
||||
aliastransform[1][3]) * zi) + aliasycenter;
|
||||
|
||||
fv->v[2] = pstverts->s;
|
||||
fv->v[3] = pstverts->t;
|
||||
fv->flags = pstverts->onseam;
|
||||
|
||||
// lighting
|
||||
plightnormal = r_avertexnormals[pverts->lightnormalindex];
|
||||
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->v[4] = temp;
|
||||
}
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
|
||||
/*
|
||||
================
|
||||
R_AliasProjectFinalVert
|
||||
================
|
||||
*/
|
||||
void R_AliasProjectFinalVert (finalvert_t *fv, auxvert_t *av)
|
||||
{
|
||||
float zi;
|
||||
|
||||
// project points
|
||||
zi = 1.0 / av->fv[2];
|
||||
|
||||
fv->v[5] = zi * ziscale;
|
||||
|
||||
fv->v[0] = (av->fv[0] * aliasxscale * zi) + aliasxcenter;
|
||||
fv->v[1] = (av->fv[1] * aliasyscale * zi) + aliasycenter;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
================
|
||||
R_AliasPrepareUnclippedPoints
|
||||
================
|
||||
*/
|
||||
void R_AliasPrepareUnclippedPoints (void)
|
||||
{
|
||||
stvert_t *pstverts;
|
||||
finalvert_t *fv;
|
||||
|
||||
pstverts = (stvert_t *)((byte *)paliashdr + paliashdr->stverts);
|
||||
r_anumverts = pmdl->numverts;
|
||||
// FIXME: just use pfinalverts directly?
|
||||
fv = pfinalverts;
|
||||
|
||||
R_AliasTransformAndProjectFinalVerts (fv, pstverts);
|
||||
|
||||
if (r_affinetridesc.drawtype)
|
||||
D_PolysetDrawFinalVerts (fv, r_anumverts);
|
||||
|
||||
r_affinetridesc.pfinalverts = pfinalverts;
|
||||
r_affinetridesc.ptriangles = (mtriangle_t *)
|
||||
((byte *)paliashdr + paliashdr->triangles);
|
||||
r_affinetridesc.numtriangles = pmdl->numtris;
|
||||
|
||||
D_PolysetDraw ();
|
||||
}
|
||||
|
||||
/*
|
||||
===============
|
||||
R_AliasSetupSkin
|
||||
===============
|
||||
*/
|
||||
void R_AliasSetupSkin (void)
|
||||
{
|
||||
int skinnum;
|
||||
int i, numskins;
|
||||
maliasskingroup_t *paliasskingroup;
|
||||
float *pskinintervals, fullskininterval;
|
||||
float skintargettime, skintime;
|
||||
|
||||
skinnum = currententity->skinnum;
|
||||
if ((skinnum >= pmdl->numskins) || (skinnum < 0))
|
||||
{
|
||||
Con_DPrintf ("R_AliasSetupSkin: no such skin # %d\n", skinnum);
|
||||
skinnum = 0;
|
||||
}
|
||||
|
||||
pskindesc = ((maliasskindesc_t *)
|
||||
((byte *)paliashdr + paliashdr->skindesc)) + skinnum;
|
||||
a_skinwidth = pmdl->skinwidth;
|
||||
|
||||
if (pskindesc->type == ALIAS_SKIN_GROUP)
|
||||
{
|
||||
paliasskingroup = (maliasskingroup_t *)((byte *)paliashdr +
|
||||
pskindesc->skin);
|
||||
pskinintervals = (float *)
|
||||
((byte *)paliashdr + paliasskingroup->intervals);
|
||||
numskins = paliasskingroup->numskins;
|
||||
fullskininterval = pskinintervals[numskins-1];
|
||||
|
||||
skintime = cl.time + currententity->syncbase;
|
||||
|
||||
// when loading in Mod_LoadAliasSkinGroup, we guaranteed all interval
|
||||
// values are positive, so we don't have to worry about division by 0
|
||||
skintargettime = skintime -
|
||||
((int)(skintime / fullskininterval)) * fullskininterval;
|
||||
|
||||
for (i=0 ; i<(numskins-1) ; i++)
|
||||
{
|
||||
if (pskinintervals[i] > skintargettime)
|
||||
break;
|
||||
}
|
||||
|
||||
pskindesc = &paliasskingroup->skindescs[i];
|
||||
}
|
||||
|
||||
r_affinetridesc.pskindesc = pskindesc;
|
||||
r_affinetridesc.pskin = (void *)((byte *)paliashdr + pskindesc->skin);
|
||||
r_affinetridesc.skinwidth = a_skinwidth;
|
||||
r_affinetridesc.seamfixupX16 = (a_skinwidth >> 1) << 16;
|
||||
r_affinetridesc.skinheight = pmdl->skinheight;
|
||||
}
|
||||
|
||||
/*
|
||||
================
|
||||
R_AliasSetupLighting
|
||||
================
|
||||
*/
|
||||
void R_AliasSetupLighting (alight_t *plighting)
|
||||
{
|
||||
|
||||
// guarantee that no vertex will ever be lit below LIGHT_MIN, so we don't have
|
||||
// to clamp off the bottom
|
||||
r_ambientlight = plighting->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 = plighting->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 (plighting->plightvec, alias_forward);
|
||||
r_plightvec[1] = -DotProduct (plighting->plightvec, alias_right);
|
||||
r_plightvec[2] = DotProduct (plighting->plightvec, alias_up);
|
||||
}
|
||||
|
||||
/*
|
||||
=================
|
||||
R_AliasSetupFrame
|
||||
|
||||
set r_apverts
|
||||
=================
|
||||
*/
|
||||
void R_AliasSetupFrame (void)
|
||||
{
|
||||
int frame;
|
||||
int i, numframes;
|
||||
maliasgroup_t *paliasgroup;
|
||||
float *pintervals, fullinterval, targettime, time;
|
||||
|
||||
frame = currententity->frame;
|
||||
if ((frame >= pmdl->numframes) || (frame < 0))
|
||||
{
|
||||
Con_DPrintf ("R_AliasSetupFrame: no such frame %d\n", frame);
|
||||
frame = 0;
|
||||
}
|
||||
|
||||
if (paliashdr->frames[frame].type == ALIAS_SINGLE)
|
||||
{
|
||||
r_apverts = (trivertx_t *)
|
||||
((byte *)paliashdr + paliashdr->frames[frame].frame);
|
||||
return;
|
||||
}
|
||||
|
||||
paliasgroup = (maliasgroup_t *)
|
||||
((byte *)paliashdr + paliashdr->frames[frame].frame);
|
||||
pintervals = (float *)((byte *)paliashdr + paliasgroup->intervals);
|
||||
numframes = paliasgroup->numframes;
|
||||
fullinterval = pintervals[numframes-1];
|
||||
|
||||
time = cl.time + currententity->syncbase;
|
||||
|
||||
//
|
||||
// when loading in Mod_LoadAliasGroup, we guaranteed all interval values
|
||||
// are positive, so we don't have to worry about division by 0
|
||||
//
|
||||
targettime = time - ((int)(time / fullinterval)) * fullinterval;
|
||||
|
||||
for (i=0 ; i<(numframes-1) ; i++)
|
||||
{
|
||||
if (pintervals[i] > targettime)
|
||||
break;
|
||||
}
|
||||
|
||||
r_apverts = (trivertx_t *)
|
||||
((byte *)paliashdr + paliasgroup->frames[i].frame);
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
================
|
||||
R_AliasDrawModel
|
||||
================
|
||||
*/
|
||||
void R_AliasDrawModel (alight_t *plighting)
|
||||
{
|
||||
finalvert_t finalverts[MAXALIASVERTS +
|
||||
((CACHE_SIZE - 1) / sizeof(finalvert_t)) + 1];
|
||||
auxvert_t auxverts[MAXALIASVERTS];
|
||||
|
||||
r_amodels_drawn++;
|
||||
|
||||
// cache align
|
||||
pfinalverts = (finalvert_t *)
|
||||
(((long)&finalverts[0] + CACHE_SIZE - 1) & ~(CACHE_SIZE - 1));
|
||||
pauxverts = &auxverts[0];
|
||||
|
||||
paliashdr = (aliashdr_t *)Mod_Extradata (currententity->model);
|
||||
pmdl = (mdl_t *)((byte *)paliashdr + paliashdr->model);
|
||||
|
||||
R_AliasSetupSkin ();
|
||||
R_AliasSetUpTransform (currententity->trivial_accept);
|
||||
R_AliasSetupLighting (plighting);
|
||||
R_AliasSetupFrame ();
|
||||
|
||||
if (!currententity->colormap)
|
||||
Sys_Error ("R_AliasDrawModel: !currententity->colormap");
|
||||
|
||||
r_affinetridesc.drawtype = (currententity->trivial_accept == 3) &&
|
||||
r_recursiveaffinetriangles;
|
||||
|
||||
if (r_affinetridesc.drawtype)
|
||||
{
|
||||
D_PolysetUpdateTables (); // FIXME: precalc...
|
||||
}
|
||||
else
|
||||
{
|
||||
#if id386
|
||||
D_Aff8Patch (currententity->colormap);
|
||||
#endif
|
||||
}
|
||||
|
||||
acolormap = currententity->colormap;
|
||||
|
||||
if (currententity != &cl.viewent)
|
||||
ziscale = (float)0x8000 * (float)0x10000;
|
||||
else
|
||||
ziscale = (float)0x8000 * (float)0x10000 * 3.0;
|
||||
|
||||
if (currententity->trivial_accept)
|
||||
R_AliasPrepareUnclippedPoints ();
|
||||
else
|
||||
R_AliasPreparePoints ();
|
||||
}
|
||||
|
||||
Loading…
Reference in a new issue