mirror of https://git.code.sf.net/p/quake/newtree
170 lines
4.0 KiB
C
170 lines
4.0 KiB
C
/*
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gl_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 "model.h"
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#include "server.h"
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#include "qendian.h"
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extern model_t *loadmodel;
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extern char loadname[];
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void *Mod_LoadSpriteFrame (void *pin, mspriteframe_t **ppframe,
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int framenum);
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/*
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Mod_LoadSpriteGroup
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*/
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void *
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Mod_LoadSpriteGroup (void *pin, mspriteframe_t **ppframe, int framenum)
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{
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dspritegroup_t *pingroup;
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mspritegroup_t *pspritegroup;
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int i, numframes;
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dspriteinterval_t *pin_intervals;
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float *poutintervals;
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void *ptemp;
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pingroup = (dspritegroup_t *) pin;
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numframes = LittleLong (pingroup->numframes);
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pspritegroup = Hunk_AllocName (sizeof (mspritegroup_t) +
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(numframes -
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1) * sizeof (pspritegroup->frames[0]),
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loadname);
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pspritegroup->numframes = numframes;
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*ppframe = (mspriteframe_t *) pspritegroup;
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pin_intervals = (dspriteinterval_t *) (pingroup + 1);
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poutintervals = Hunk_AllocName (numframes * sizeof (float), loadname);
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pspritegroup->intervals = poutintervals;
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for (i = 0; i < numframes; i++) {
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*poutintervals = LittleFloat (pin_intervals->interval);
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if (*poutintervals <= 0.0)
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SV_Error ("Mod_LoadSpriteGroup: 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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ptemp =
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Mod_LoadSpriteFrame (ptemp, &pspritegroup->frames[i],
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framenum * 100 + i);
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}
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return ptemp;
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}
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/*
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Mod_LoadSpriteModel
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*/
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void
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Mod_LoadSpriteModel (model_t *mod, void *buffer)
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{
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int i;
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int version;
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dsprite_t *pin;
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msprite_t *psprite;
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int numframes;
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int size;
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dspriteframetype_t *pframetype;
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pin = (dsprite_t *) buffer;
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version = LittleLong (pin->version);
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if (version != SPRITE_VERSION)
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SV_Error ("%s has wrong version number "
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"(%i should be %i)", mod->name, version, SPRITE_VERSION);
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numframes = LittleLong (pin->numframes);
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size = sizeof (msprite_t) + (numframes - 1) * sizeof (psprite->frames);
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psprite = Hunk_AllocName (size, loadname);
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mod->cache.data = psprite;
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psprite->type = LittleLong (pin->type);
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psprite->maxwidth = LittleLong (pin->width);
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psprite->maxheight = LittleLong (pin->height);
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psprite->beamlength = LittleFloat (pin->beamlength);
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mod->synctype = LittleLong (pin->synctype);
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psprite->numframes = numframes;
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mod->mins[0] = mod->mins[1] = -psprite->maxwidth / 2;
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mod->maxs[0] = mod->maxs[1] = psprite->maxwidth / 2;
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mod->mins[2] = -psprite->maxheight / 2;
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mod->maxs[2] = psprite->maxheight / 2;
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//
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// load the frames
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//
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if (numframes < 1)
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SV_Error ("Mod_LoadSpriteModel: Invalid # of frames: %d\n", numframes);
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mod->numframes = numframes;
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pframetype = (dspriteframetype_t *) (pin + 1);
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for (i = 0; i < numframes; i++) {
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spriteframetype_t frametype;
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frametype = LittleLong (pframetype->type);
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psprite->frames[i].type = frametype;
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if (frametype == SPR_SINGLE) {
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pframetype = (dspriteframetype_t *)
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Mod_LoadSpriteFrame (pframetype + 1,
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&psprite->frames[i].frameptr, i);
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} else {
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pframetype = (dspriteframetype_t *)
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Mod_LoadSpriteGroup (pframetype + 1,
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&psprite->frames[i].frameptr, i);
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}
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}
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mod->type = mod_sprite;
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}
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