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https://git.code.sf.net/p/quake/newtree
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model loading reorg ala nuq. once again, gl hasn't been tested (will test when
I get home tonight). This is in preparation for bmodel fulbrights.
This commit is contained in:
Bill Currie
parent
64ec067a25
commit
b55b0264b5
17 changed files with 1566 additions and 2800 deletions
293
source/sw_model_alias.c
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293
source/sw_model_alias.c
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/*
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cl_model.c
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model loading and caching
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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:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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$Id$
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*/
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// models are the only shared resource between a client and server running
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// on the same machine.
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "r_local.h"
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#include "sys.h"
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#include "console.h"
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#include "qendian.h"
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#include "checksum.h"
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#include "glquake.h"
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#include "server.h"
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extern char loadname[];
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extern model_t *loadmodel;
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/*
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==============================================================================
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ALIAS MODELS
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==============================================================================
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*/
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extern aliashdr_t *pheader;
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extern stvert_t stverts[MAXALIASVERTS];
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extern mtriangle_t triangles[MAXALIASTRIS];
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// a pose is a single set of vertexes. a frame may be
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// an animating sequence of poses
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extern trivertx_t *poseverts[MAXALIASFRAMES];
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extern int posenum;
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void *Mod_LoadSkin (byte *skin, int skinsize, int *pskinindex, int snum, int gnum)
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{
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byte *pskin;
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ushort *pusskin;
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int i;
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pskin = Hunk_AllocName (skinsize * r_pixbytes, loadname);
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*pskinindex = (byte *)pskin - (byte *)pheader;
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switch (r_pixbytes) {
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case 1:
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memcpy (pskin, skin, skinsize);
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break;
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case 2:
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pusskin = (ushort*)skin;
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for (i=0; i<skinsize; i++)
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pusskin[i] = d_8to16table[skin[i]];
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break;
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default:
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SV_Error ("Mod_LoadAliasSkin: driver set invalid r_pixbytes: %d\n",
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r_pixbytes);
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break;
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}
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return skin + skinsize;
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}
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/*
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===============
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Mod_LoadAllSkins
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===============
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*/
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void *Mod_LoadAllSkins (int numskins, daliasskintype_t *pskintype, int *pskinindex)
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{
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int i, j;
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int skinsize;
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byte *skin;
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int groupskins;
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daliasskingroup_t *pinskingroup;
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daliasskininterval_t *pinskinintervals;
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maliasskindesc_t *pskindesc;
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maliasskingroup_t *paliasskingroup;
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float *poutskinintervals;
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skin = (byte *)pskintype;
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if (numskins < 1 || numskins > MAX_SKINS)
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Sys_Error ("Mod_LoadAliasModel: Invalid # of skins: %d\n", numskins);
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skinsize = pheader->mdl.skinwidth * pheader->mdl.skinheight;
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pskindesc = Hunk_AllocName (numskins * sizeof (maliasskindesc_t),
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loadname);
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pheader->skindesc = (byte *)pskindesc - (byte *)pheader;
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for (i=0 ; i<numskins ; i++)
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{
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if (pskintype->type == ALIAS_SKIN_SINGLE) {
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skin+=4;
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skin = Mod_LoadSkin (skin, skinsize, &pskindesc[i].skin, i, 0);
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} else {
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pskintype++;
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pinskingroup = (daliasskingroup_t *)pskintype;
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groupskins = LittleLong (pinskingroup->numskins);
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j = sizeof (maliasskingroup_t) +
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(groupskins - 1) * sizeof (paliasskingroup->skindescs[0]);
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j = (int)&((maliasskingroup_t*)0)->skindescs[groupskins];
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paliasskingroup = Hunk_AllocName (j, loadname);
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paliasskingroup->numskins = groupskins;
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*pskinindex = (byte *)paliasskingroup - (byte *)pheader;
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pinskinintervals = (daliasskininterval_t *)(pinskingroup + 1);
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poutskinintervals = Hunk_AllocName (groupskins * sizeof (float),loadname);
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paliasskingroup->intervals = (byte *)poutskinintervals - (byte *)pheader;
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for (i=0 ; i<groupskins ; i++) {
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*poutskinintervals = LittleFloat (pinskinintervals->interval);
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if (*poutskinintervals <= 0)
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Sys_Error ("Mod_LoadAliasSkinGroup: interval<=0");
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poutskinintervals++;
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pinskinintervals++;
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}
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pskintype = (void *)pinskinintervals;
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skin = (byte *)pskintype;
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for (j=0 ; j<groupskins ; j++)
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{
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skin+=4;
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skin = Mod_LoadSkin (skin, skinsize, &paliasskingroup->skindescs[i].skin, i, j);
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}
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}
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}
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return (void *)skin;
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}
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void GL_MakeAliasModelDisplayLists (model_t *m, aliashdr_t *hdr)
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{
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int i, j;
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stvert_t *pstverts;
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mtriangle_t *ptri;
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int numv = hdr->mdl.numverts;
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int numt = hdr->mdl.numtris;
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pstverts = (stvert_t *)Hunk_AllocName(numv * sizeof(stvert_t),loadname);
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ptri = (mtriangle_t *)Hunk_AllocName(numt * sizeof(mtriangle_t),loadname);
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hdr->stverts = (byte *)pstverts - (byte *)hdr;
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hdr->triangles = (byte *)ptri - (byte *)hdr;
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for (i=0; i<numv; i++) {
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pstverts[i].onseam = stverts[i].onseam;
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pstverts[i].s = stverts[i].s << 16;
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pstverts[i].t = stverts[i].t << 16;
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}
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for (i=0; i<numt; i++) {
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ptri[i].facesfront = triangles[i].facesfront;
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for (j=0; j<3; j++) {
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ptri[i].vertindex[j] = triangles[i].vertindex[j];
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}
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}
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}
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/*
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=================
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Mod_LoadAliasFrame
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=================
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*/
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void * Mod_LoadAliasFrame (void * pin, maliasframedesc_t *frame)
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{
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trivertx_t *pframe, *pinframe;
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int i, j;
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daliasframe_t *pdaliasframe;
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pdaliasframe = (daliasframe_t *)pin;
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strcpy (frame->name, pdaliasframe->name);
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for (i=0 ; i<3 ; i++)
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{
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// these are byte values, so we don't have to worry about
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// endianness
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frame->bboxmin.v[i] = pdaliasframe->bboxmin.v[i];
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frame->bboxmax.v[i] = pdaliasframe->bboxmax.v[i];
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}
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pinframe = (trivertx_t *)(pdaliasframe + 1);
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pframe = Hunk_AllocName (pheader->mdl.numverts * sizeof(*pframe), loadname);
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frame->frame = (byte *)pframe - (byte *)pheader;
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for (j=0 ; j<pheader->mdl.numverts ; j++)
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{
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int k;
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// these are all byte values, so no need to deal with endianness
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pframe[j].lightnormalindex = pinframe[j].lightnormalindex;
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for (k=0 ; k<3 ; k++)
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{
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pframe[j].v[k] = pinframe[j].v[k];
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}
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}
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pinframe += pheader->mdl.numverts;
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return (void *)pinframe;
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}
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/*
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=================
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Mod_LoadAliasGroup
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=================
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*/
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void * Mod_LoadAliasGroup (void * pin, maliasframedesc_t *frame)
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{
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daliasgroup_t *pingroup;
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maliasgroup_t *paliasgroup;
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int i, numframes;
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daliasinterval_t *pin_intervals;
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float *poutintervals;
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void *ptemp;
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pingroup = (daliasgroup_t *)pin;
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numframes = LittleLong (pingroup->numframes);
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paliasgroup = Hunk_AllocName (sizeof (maliasgroup_t) +
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(numframes - 1) * sizeof (paliasgroup->frames[0]), loadname);
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paliasgroup->numframes = numframes;
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for (i=0 ; i<3 ; i++)
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{
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// these are byte values, so we don't have to worry about endianness
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frame->bboxmin.v[i] = pingroup->bboxmin.v[i];
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frame->bboxmax.v[i] = pingroup->bboxmax.v[i];
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}
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frame->frame = (byte *)paliasgroup - (byte *)pheader;
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pin_intervals = (daliasinterval_t *)(pingroup + 1);
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poutintervals = Hunk_AllocName (numframes * sizeof (float), loadname);
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paliasgroup->intervals = (byte *)poutintervals - (byte *)pheader;
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for (i=0 ; i<numframes ; i++)
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{
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*poutintervals = LittleFloat (pin_intervals->interval);
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if (*poutintervals <= 0.0)
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SV_Error ("Mod_LoadAliasGroup: interval<=0");
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poutintervals++;
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pin_intervals++;
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}
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ptemp = (void *)pin_intervals;
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for (i=0 ; i<numframes ; i++)
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{
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ptemp = Mod_LoadAliasFrame (ptemp, (maliasframedesc_t*)&paliasgroup->frames[i]);
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}
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return ptemp;
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}
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