mirror of
https://git.code.sf.net/p/quake/quakeforge
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3669e3aa2e
For now, only the glsl loader disables caching, but it stores the frame vertices in GL memory, so its hunk usage is relatively lower (and will be lower still when I get skins sorted out).
140 lines
3.5 KiB
C
140 lines
3.5 KiB
C
/*
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sw_model_alias.c
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alias model loading and caching for the software renderer
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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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*/
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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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static __attribute__ ((used)) const char rcsid[] = "$Id$";
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#ifdef HAVE_STRING_H
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# include <string.h>
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#endif
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#include "QF/model.h"
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#include "QF/qendian.h"
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#include "QF/sys.h"
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#include "compat.h"
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#include "d_iface.h"
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int alias_cache = 1;
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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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void *
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Mod_LoadSkin (byte *skin, int skinsize, int snum, int gnum,
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qboolean group, maliasskindesc_t *skindesc)
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{
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byte *pskin;
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pskin = Hunk_AllocName (skinsize, loadname);
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skindesc->skin = (byte *) pskin - (byte *) pheader;
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memcpy (pskin, skin, skinsize);
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return skin + skinsize;
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}
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static void
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process_frame (maliasframedesc_t *frame, int posenum, int extra)
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{
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int size = pheader->mdl.numverts * sizeof (trivertx_t);
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trivertx_t *frame_verts;
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if (extra)
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size *= 2;
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frame_verts = Hunk_AllocName (size, loadname);
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frame->frame = (byte *) frame_verts - (byte *) pheader;
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// The low-order 8 bits (actually, fractional) are completely separate
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// from the high-order bits (see R_AliasTransformFinalVert16 in
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// sw_ralias.c), but in adjacant arrays. This means we can get away with
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// just one memcpy as there are non endian issues.
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memcpy (frame_verts, poseverts[posenum], size);
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}
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void
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Mod_MakeAliasModelDisplayLists (model_t *m, aliashdr_t *hdr, void *_m, int _s,
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int extra)
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{
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int i, j;
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int posenum = 0;
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int numv = hdr->mdl.numverts, numt = hdr->mdl.numtris;
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stvert_t *pstverts;
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mtriangle_t *ptri;
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pstverts = (stvert_t *) Hunk_AllocName (numv * sizeof (stvert_t),
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loadname);
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ptri = (mtriangle_t *) Hunk_AllocName (numt * sizeof (mtriangle_t),
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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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VectorCopy (triangles[i].vertindex, ptri[i].vertindex);
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}
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for (i = 0; i < pheader->mdl.numframes; i++) {
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maliasframedesc_t *frame = pheader->frames + i;
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if (frame->type) {
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maliasgroup_t *group;
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group = (maliasgroup_t *) ((byte *) pheader + frame->frame);
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for (j = 0; j < group->numframes; j++)
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process_frame ((maliasframedesc_t *) &group->frames[j],
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posenum++, extra);
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} else {
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process_frame (frame, posenum++, extra);
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}
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}
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}
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void
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Mod_FinalizeAliasModel (model_t *m, aliashdr_t *hdr)
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{
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}
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void
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Mod_LoadExternalSkins (model_t *mod)
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{
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}
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