mirror of
https://github.com/Q3Rally-Team/q3rally.git
synced 2024-12-12 21:31:51 +00:00
866aa787cf
Update to ioquake3 revision 3306 from 1951 of the ioq3 Github repo via subversion. Over 4 years of changes.
1120 lines
28 KiB
C
1120 lines
28 KiB
C
/*
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===========================================================================
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Copyright (C) 1999-2005 Id Software, Inc.
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This file is part of Quake III Arena source code.
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Quake III Arena source code is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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Quake III Arena source code is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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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 Quake III Arena source code; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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===========================================================================
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*/
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// tr_models.c -- model loading and caching
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#include "tr_local.h"
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#define LL(x) x=LittleLong(x)
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static qboolean R_LoadMD3(model_t *mod, int lod, void *buffer, const char *name );
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static qboolean R_LoadMDR(model_t *mod, void *buffer, int filesize, const char *name );
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/*
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====================
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R_RegisterMD3
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====================
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*/
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qhandle_t R_RegisterMD3(const char *name, model_t *mod)
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{
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union {
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unsigned *u;
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void *v;
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} buf;
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int lod;
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int ident;
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qboolean loaded = qfalse;
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int numLoaded;
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char filename[MAX_QPATH], namebuf[MAX_QPATH+20];
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char *fext, defex[] = "md3";
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numLoaded = 0;
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strcpy(filename, name);
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fext = strchr(filename, '.');
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if(!fext)
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fext = defex;
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else
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{
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*fext = '\0';
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fext++;
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}
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for (lod = MD3_MAX_LODS - 1 ; lod >= 0 ; lod--)
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{
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if(lod)
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Com_sprintf(namebuf, sizeof(namebuf), "%s_%d.%s", filename, lod, fext);
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else
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Com_sprintf(namebuf, sizeof(namebuf), "%s.%s", filename, fext);
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ri.FS_ReadFile( namebuf, &buf.v );
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if(!buf.u)
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continue;
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ident = LittleLong(* (unsigned *) buf.u);
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if (ident == MD3_IDENT)
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loaded = R_LoadMD3(mod, lod, buf.u, name);
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else
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ri.Printf(PRINT_WARNING,"R_RegisterMD3: unknown fileid for %s\n", name);
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ri.FS_FreeFile(buf.v);
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if(loaded)
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{
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mod->numLods++;
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numLoaded++;
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}
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else
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break;
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}
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if(numLoaded)
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{
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// duplicate into higher lod spots that weren't
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// loaded, in case the user changes r_lodbias on the fly
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for(lod--; lod >= 0; lod--)
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{
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mod->numLods++;
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mod->md3[lod] = mod->md3[lod + 1];
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}
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return mod->index;
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}
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#ifdef _DEBUG
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ri.Printf(PRINT_WARNING,"R_RegisterMD3: couldn't load %s\n", name);
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#endif
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mod->type = MOD_BAD;
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return 0;
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}
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/*
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====================
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R_RegisterMDR
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====================
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*/
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qhandle_t R_RegisterMDR(const char *name, model_t *mod)
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{
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union {
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unsigned *u;
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void *v;
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} buf;
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int ident;
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qboolean loaded = qfalse;
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int filesize;
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filesize = ri.FS_ReadFile(name, (void **) &buf.v);
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if(!buf.u)
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{
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mod->type = MOD_BAD;
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return 0;
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}
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ident = LittleLong(*(unsigned *)buf.u);
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if(ident == MDR_IDENT)
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loaded = R_LoadMDR(mod, buf.u, filesize, name);
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ri.FS_FreeFile (buf.v);
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if(!loaded)
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{
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ri.Printf(PRINT_WARNING,"R_RegisterMDR: couldn't load mdr file %s\n", name);
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mod->type = MOD_BAD;
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return 0;
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}
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return mod->index;
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}
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/*
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====================
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R_RegisterIQM
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====================
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*/
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qhandle_t R_RegisterIQM(const char *name, model_t *mod)
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{
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union {
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unsigned *u;
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void *v;
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} buf;
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qboolean loaded = qfalse;
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int filesize;
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filesize = ri.FS_ReadFile(name, (void **) &buf.v);
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if(!buf.u)
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{
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mod->type = MOD_BAD;
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return 0;
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}
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loaded = R_LoadIQM(mod, buf.u, filesize, name);
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ri.FS_FreeFile (buf.v);
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if(!loaded)
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{
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ri.Printf(PRINT_WARNING,"R_RegisterIQM: couldn't load iqm file %s\n", name);
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mod->type = MOD_BAD;
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return 0;
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}
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return mod->index;
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}
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typedef struct
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{
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char *ext;
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qhandle_t (*ModelLoader)( const char *, model_t * );
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} modelExtToLoaderMap_t;
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// Note that the ordering indicates the order of preference used
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// when there are multiple models of different formats available
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static modelExtToLoaderMap_t modelLoaders[ ] =
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{
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{ "iqm", R_RegisterIQM },
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{ "mdr", R_RegisterMDR },
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{ "md3", R_RegisterMD3 }
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};
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static int numModelLoaders = ARRAY_LEN(modelLoaders);
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//===============================================================================
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/*
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** R_GetModelByHandle
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*/
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model_t *R_GetModelByHandle( qhandle_t index ) {
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model_t *mod;
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// out of range gets the defualt model
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if ( index < 1 || index >= tr.numModels ) {
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return tr.models[0];
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}
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mod = tr.models[index];
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return mod;
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}
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//===============================================================================
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/*
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** R_AllocModel
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*/
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model_t *R_AllocModel( void ) {
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model_t *mod;
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if ( tr.numModels == MAX_MOD_KNOWN ) {
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return NULL;
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}
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mod = ri.Hunk_Alloc( sizeof( *tr.models[tr.numModels] ), h_low );
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mod->index = tr.numModels;
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tr.models[tr.numModels] = mod;
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tr.numModels++;
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return mod;
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}
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/*
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====================
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RE_RegisterModel
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Loads in a model for the given name
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Zero will be returned if the model fails to load.
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An entry will be retained for failed models as an
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optimization to prevent disk rescanning if they are
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asked for again.
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====================
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*/
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qhandle_t RE_RegisterModel( const char *name ) {
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model_t *mod;
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qhandle_t hModel;
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qboolean orgNameFailed = qfalse;
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int orgLoader = -1;
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int i;
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char localName[ MAX_QPATH ];
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const char *ext;
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char altName[ MAX_QPATH ];
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if ( !name || !name[0] ) {
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ri.Printf( PRINT_ALL, "RE_RegisterModel: NULL name\n" );
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return 0;
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}
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if ( strlen( name ) >= MAX_QPATH ) {
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ri.Printf( PRINT_ALL, "Model name exceeds MAX_QPATH\n" );
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return 0;
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}
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//
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// search the currently loaded models
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//
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for ( hModel = 1 ; hModel < tr.numModels; hModel++ ) {
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mod = tr.models[hModel];
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if ( !strcmp( mod->name, name ) ) {
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if( mod->type == MOD_BAD ) {
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return 0;
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}
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return hModel;
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}
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}
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// allocate a new model_t
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if ( ( mod = R_AllocModel() ) == NULL ) {
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ri.Printf( PRINT_WARNING, "RE_RegisterModel: R_AllocModel() failed for '%s'\n", name);
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return 0;
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}
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// only set the name after the model has been successfully loaded
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Q_strncpyz( mod->name, name, sizeof( mod->name ) );
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R_IssuePendingRenderCommands();
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mod->type = MOD_BAD;
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mod->numLods = 0;
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//
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// load the files
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//
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Q_strncpyz( localName, name, MAX_QPATH );
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ext = COM_GetExtension( localName );
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if( *ext )
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{
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// Look for the correct loader and use it
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for( i = 0; i < numModelLoaders; i++ )
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{
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if( !Q_stricmp( ext, modelLoaders[ i ].ext ) )
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{
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// Load
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hModel = modelLoaders[ i ].ModelLoader( localName, mod );
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break;
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}
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}
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// A loader was found
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if( i < numModelLoaders )
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{
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if( !hModel )
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{
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// Loader failed, most likely because the file isn't there;
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// try again without the extension
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orgNameFailed = qtrue;
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orgLoader = i;
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COM_StripExtension( name, localName, MAX_QPATH );
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}
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else
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{
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// Something loaded
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return mod->index;
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}
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}
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}
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// Try and find a suitable match using all
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// the model formats supported
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for( i = 0; i < numModelLoaders; i++ )
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{
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if (i == orgLoader)
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continue;
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Com_sprintf( altName, sizeof (altName), "%s.%s", localName, modelLoaders[ i ].ext );
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// Load
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hModel = modelLoaders[ i ].ModelLoader( altName, mod );
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if( hModel )
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{
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if( orgNameFailed )
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{
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ri.Printf( PRINT_DEVELOPER, "WARNING: %s not present, using %s instead\n",
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name, altName );
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}
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break;
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}
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}
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return hModel;
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}
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/*
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=================
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R_LoadMD3
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=================
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*/
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static qboolean R_LoadMD3 (model_t *mod, int lod, void *buffer, const char *mod_name ) {
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int i, j;
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md3Header_t *pinmodel;
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md3Frame_t *frame;
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md3Surface_t *surf;
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md3Shader_t *shader;
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md3Triangle_t *tri;
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md3St_t *st;
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md3XyzNormal_t *xyz;
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md3Tag_t *tag;
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int version;
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int size;
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pinmodel = (md3Header_t *)buffer;
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version = LittleLong (pinmodel->version);
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if (version != MD3_VERSION) {
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ri.Printf( PRINT_WARNING, "R_LoadMD3: %s has wrong version (%i should be %i)\n",
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mod_name, version, MD3_VERSION);
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return qfalse;
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}
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mod->type = MOD_MESH;
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size = LittleLong(pinmodel->ofsEnd);
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mod->dataSize += size;
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mod->md3[lod] = ri.Hunk_Alloc( size, h_low );
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Com_Memcpy (mod->md3[lod], buffer, LittleLong(pinmodel->ofsEnd) );
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LL(mod->md3[lod]->ident);
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LL(mod->md3[lod]->version);
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LL(mod->md3[lod]->numFrames);
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LL(mod->md3[lod]->numTags);
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LL(mod->md3[lod]->numSurfaces);
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LL(mod->md3[lod]->ofsFrames);
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LL(mod->md3[lod]->ofsTags);
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LL(mod->md3[lod]->ofsSurfaces);
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LL(mod->md3[lod]->ofsEnd);
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if ( mod->md3[lod]->numFrames < 1 ) {
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ri.Printf( PRINT_WARNING, "R_LoadMD3: %s has no frames\n", mod_name );
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return qfalse;
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}
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// swap all the frames
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frame = (md3Frame_t *) ( (byte *)mod->md3[lod] + mod->md3[lod]->ofsFrames );
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for ( i = 0 ; i < mod->md3[lod]->numFrames ; i++, frame++) {
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frame->radius = LittleFloat( frame->radius );
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for ( j = 0 ; j < 3 ; j++ ) {
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frame->bounds[0][j] = LittleFloat( frame->bounds[0][j] );
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frame->bounds[1][j] = LittleFloat( frame->bounds[1][j] );
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frame->localOrigin[j] = LittleFloat( frame->localOrigin[j] );
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}
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}
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// swap all the tags
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tag = (md3Tag_t *) ( (byte *)mod->md3[lod] + mod->md3[lod]->ofsTags );
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for ( i = 0 ; i < mod->md3[lod]->numTags * mod->md3[lod]->numFrames ; i++, tag++) {
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for ( j = 0 ; j < 3 ; j++ ) {
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tag->origin[j] = LittleFloat( tag->origin[j] );
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tag->axis[0][j] = LittleFloat( tag->axis[0][j] );
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tag->axis[1][j] = LittleFloat( tag->axis[1][j] );
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tag->axis[2][j] = LittleFloat( tag->axis[2][j] );
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}
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}
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// swap all the surfaces
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surf = (md3Surface_t *) ( (byte *)mod->md3[lod] + mod->md3[lod]->ofsSurfaces );
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for ( i = 0 ; i < mod->md3[lod]->numSurfaces ; i++) {
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LL(surf->ident);
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LL(surf->flags);
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LL(surf->numFrames);
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LL(surf->numShaders);
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LL(surf->numTriangles);
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LL(surf->ofsTriangles);
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LL(surf->numVerts);
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LL(surf->ofsShaders);
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LL(surf->ofsSt);
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LL(surf->ofsXyzNormals);
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LL(surf->ofsEnd);
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if ( surf->numVerts >= SHADER_MAX_VERTEXES ) {
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ri.Printf(PRINT_WARNING, "R_LoadMD3: %s has more than %i verts on %s (%i).\n",
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mod_name, SHADER_MAX_VERTEXES - 1, surf->name[0] ? surf->name : "a surface",
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surf->numVerts );
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return qfalse;
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}
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if ( surf->numTriangles*3 >= SHADER_MAX_INDEXES ) {
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ri.Printf(PRINT_WARNING, "R_LoadMD3: %s has more than %i triangles on %s (%i).\n",
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mod_name, ( SHADER_MAX_INDEXES / 3 ) - 1, surf->name[0] ? surf->name : "a surface",
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surf->numTriangles );
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return qfalse;
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}
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// change to surface identifier
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surf->ident = SF_MD3;
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// lowercase the surface name so skin compares are faster
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Q_strlwr( surf->name );
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// strip off a trailing _1 or _2
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// this is a crutch for q3data being a mess
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j = strlen( surf->name );
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if ( j > 2 && surf->name[j-2] == '_' ) {
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surf->name[j-2] = 0;
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}
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// register the shaders
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shader = (md3Shader_t *) ( (byte *)surf + surf->ofsShaders );
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for ( j = 0 ; j < surf->numShaders ; j++, shader++ ) {
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shader_t *sh;
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sh = R_FindShader( shader->name, LIGHTMAP_NONE, qtrue );
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if ( sh->defaultShader ) {
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shader->shaderIndex = 0;
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} else {
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shader->shaderIndex = sh->index;
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}
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}
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// swap all the triangles
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tri = (md3Triangle_t *) ( (byte *)surf + surf->ofsTriangles );
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for ( j = 0 ; j < surf->numTriangles ; j++, tri++ ) {
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LL(tri->indexes[0]);
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LL(tri->indexes[1]);
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LL(tri->indexes[2]);
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}
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// swap all the ST
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st = (md3St_t *) ( (byte *)surf + surf->ofsSt );
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for ( j = 0 ; j < surf->numVerts ; j++, st++ ) {
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st->st[0] = LittleFloat( st->st[0] );
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st->st[1] = LittleFloat( st->st[1] );
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}
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// swap all the XyzNormals
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xyz = (md3XyzNormal_t *) ( (byte *)surf + surf->ofsXyzNormals );
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for ( j = 0 ; j < surf->numVerts * surf->numFrames ; j++, xyz++ )
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{
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xyz->xyz[0] = LittleShort( xyz->xyz[0] );
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xyz->xyz[1] = LittleShort( xyz->xyz[1] );
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xyz->xyz[2] = LittleShort( xyz->xyz[2] );
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xyz->normal = LittleShort( xyz->normal );
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}
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// find the next surface
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surf = (md3Surface_t *)( (byte *)surf + surf->ofsEnd );
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}
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return qtrue;
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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_LoadMDR
|
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=================
|
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*/
|
|
static qboolean R_LoadMDR( model_t *mod, void *buffer, int filesize, const char *mod_name )
|
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{
|
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int i, j, k, l;
|
|
mdrHeader_t *pinmodel, *mdr;
|
|
mdrFrame_t *frame;
|
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mdrLOD_t *lod, *curlod;
|
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mdrSurface_t *surf, *cursurf;
|
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mdrTriangle_t *tri, *curtri;
|
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mdrVertex_t *v, *curv;
|
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mdrWeight_t *weight, *curweight;
|
|
mdrTag_t *tag, *curtag;
|
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int size;
|
|
shader_t *sh;
|
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|
|
pinmodel = (mdrHeader_t *)buffer;
|
|
|
|
pinmodel->version = LittleLong(pinmodel->version);
|
|
if (pinmodel->version != MDR_VERSION)
|
|
{
|
|
ri.Printf(PRINT_WARNING, "R_LoadMDR: %s has wrong version (%i should be %i)\n", mod_name, pinmodel->version, MDR_VERSION);
|
|
return qfalse;
|
|
}
|
|
|
|
size = LittleLong(pinmodel->ofsEnd);
|
|
|
|
if(size > filesize)
|
|
{
|
|
ri.Printf(PRINT_WARNING, "R_LoadMDR: Header of %s is broken. Wrong filesize declared!\n", mod_name);
|
|
return qfalse;
|
|
}
|
|
|
|
mod->type = MOD_MDR;
|
|
|
|
LL(pinmodel->numFrames);
|
|
LL(pinmodel->numBones);
|
|
LL(pinmodel->ofsFrames);
|
|
|
|
// This is a model that uses some type of compressed Bones. We don't want to uncompress every bone for each rendered frame
|
|
// over and over again, we'll uncompress it in this function already, so we must adjust the size of the target mdr.
|
|
if(pinmodel->ofsFrames < 0)
|
|
{
|
|
// mdrFrame_t is larger than mdrCompFrame_t:
|
|
size += pinmodel->numFrames * sizeof(frame->name);
|
|
// now add enough space for the uncompressed bones.
|
|
size += pinmodel->numFrames * pinmodel->numBones * ((sizeof(mdrBone_t) - sizeof(mdrCompBone_t)));
|
|
}
|
|
|
|
// simple bounds check
|
|
if(pinmodel->numBones < 0 ||
|
|
sizeof(*mdr) + pinmodel->numFrames * (sizeof(*frame) + (pinmodel->numBones - 1) * sizeof(*frame->bones)) > size)
|
|
{
|
|
ri.Printf(PRINT_WARNING, "R_LoadMDR: %s has broken structure.\n", mod_name);
|
|
return qfalse;
|
|
}
|
|
|
|
mod->dataSize += size;
|
|
mod->modelData = mdr = ri.Hunk_Alloc( size, h_low );
|
|
|
|
// Copy all the values over from the file and fix endian issues in the process, if necessary.
|
|
|
|
mdr->ident = LittleLong(pinmodel->ident);
|
|
mdr->version = pinmodel->version; // Don't need to swap byte order on this one, we already did above.
|
|
Q_strncpyz(mdr->name, pinmodel->name, sizeof(mdr->name));
|
|
mdr->numFrames = pinmodel->numFrames;
|
|
mdr->numBones = pinmodel->numBones;
|
|
mdr->numLODs = LittleLong(pinmodel->numLODs);
|
|
mdr->numTags = LittleLong(pinmodel->numTags);
|
|
// We don't care about the other offset values, we'll generate them ourselves while loading.
|
|
|
|
mod->numLods = mdr->numLODs;
|
|
|
|
if ( mdr->numFrames < 1 )
|
|
{
|
|
ri.Printf(PRINT_WARNING, "R_LoadMDR: %s has no frames\n", mod_name);
|
|
return qfalse;
|
|
}
|
|
|
|
/* The first frame will be put into the first free space after the header */
|
|
frame = (mdrFrame_t *)(mdr + 1);
|
|
mdr->ofsFrames = (int)((byte *) frame - (byte *) mdr);
|
|
|
|
if (pinmodel->ofsFrames < 0)
|
|
{
|
|
mdrCompFrame_t *cframe;
|
|
|
|
// compressed model...
|
|
cframe = (mdrCompFrame_t *)((byte *) pinmodel - pinmodel->ofsFrames);
|
|
|
|
for(i = 0; i < mdr->numFrames; i++)
|
|
{
|
|
for(j = 0; j < 3; j++)
|
|
{
|
|
frame->bounds[0][j] = LittleFloat(cframe->bounds[0][j]);
|
|
frame->bounds[1][j] = LittleFloat(cframe->bounds[1][j]);
|
|
frame->localOrigin[j] = LittleFloat(cframe->localOrigin[j]);
|
|
}
|
|
|
|
frame->radius = LittleFloat(cframe->radius);
|
|
frame->name[0] = '\0'; // No name supplied in the compressed version.
|
|
|
|
for(j = 0; j < mdr->numBones; j++)
|
|
{
|
|
for(k = 0; k < (sizeof(cframe->bones[j].Comp) / 2); k++)
|
|
{
|
|
// Do swapping for the uncompressing functions. They seem to use shorts
|
|
// values only, so I assume this will work. Never tested it on other
|
|
// platforms, though.
|
|
|
|
((unsigned short *)(cframe->bones[j].Comp))[k] =
|
|
LittleShort( ((unsigned short *)(cframe->bones[j].Comp))[k] );
|
|
}
|
|
|
|
/* Now do the actual uncompressing */
|
|
MC_UnCompress(frame->bones[j].matrix, cframe->bones[j].Comp);
|
|
}
|
|
|
|
// Next Frame...
|
|
cframe = (mdrCompFrame_t *) &cframe->bones[j];
|
|
frame = (mdrFrame_t *) &frame->bones[j];
|
|
}
|
|
}
|
|
else
|
|
{
|
|
mdrFrame_t *curframe;
|
|
|
|
// uncompressed model...
|
|
//
|
|
|
|
curframe = (mdrFrame_t *)((byte *) pinmodel + pinmodel->ofsFrames);
|
|
|
|
// swap all the frames
|
|
for ( i = 0 ; i < mdr->numFrames ; i++)
|
|
{
|
|
for(j = 0; j < 3; j++)
|
|
{
|
|
frame->bounds[0][j] = LittleFloat(curframe->bounds[0][j]);
|
|
frame->bounds[1][j] = LittleFloat(curframe->bounds[1][j]);
|
|
frame->localOrigin[j] = LittleFloat(curframe->localOrigin[j]);
|
|
}
|
|
|
|
frame->radius = LittleFloat(curframe->radius);
|
|
Q_strncpyz(frame->name, curframe->name, sizeof(frame->name));
|
|
|
|
for (j = 0; j < (int) (mdr->numBones * sizeof(mdrBone_t) / 4); j++)
|
|
{
|
|
((float *)frame->bones)[j] = LittleFloat( ((float *)curframe->bones)[j] );
|
|
}
|
|
|
|
curframe = (mdrFrame_t *) &curframe->bones[mdr->numBones];
|
|
frame = (mdrFrame_t *) &frame->bones[mdr->numBones];
|
|
}
|
|
}
|
|
|
|
// frame should now point to the first free address after all frames.
|
|
lod = (mdrLOD_t *) frame;
|
|
mdr->ofsLODs = (int) ((byte *) lod - (byte *)mdr);
|
|
|
|
curlod = (mdrLOD_t *)((byte *) pinmodel + LittleLong(pinmodel->ofsLODs));
|
|
|
|
// swap all the LOD's
|
|
for ( l = 0 ; l < mdr->numLODs ; l++)
|
|
{
|
|
// simple bounds check
|
|
if((byte *) (lod + 1) > (byte *) mdr + size)
|
|
{
|
|
ri.Printf(PRINT_WARNING, "R_LoadMDR: %s has broken structure.\n", mod_name);
|
|
return qfalse;
|
|
}
|
|
|
|
lod->numSurfaces = LittleLong(curlod->numSurfaces);
|
|
|
|
// swap all the surfaces
|
|
surf = (mdrSurface_t *) (lod + 1);
|
|
lod->ofsSurfaces = (int)((byte *) surf - (byte *) lod);
|
|
cursurf = (mdrSurface_t *) ((byte *)curlod + LittleLong(curlod->ofsSurfaces));
|
|
|
|
for ( i = 0 ; i < lod->numSurfaces ; i++)
|
|
{
|
|
// simple bounds check
|
|
if((byte *) (surf + 1) > (byte *) mdr + size)
|
|
{
|
|
ri.Printf(PRINT_WARNING, "R_LoadMDR: %s has broken structure.\n", mod_name);
|
|
return qfalse;
|
|
}
|
|
|
|
// first do some copying stuff
|
|
|
|
surf->ident = SF_MDR;
|
|
Q_strncpyz(surf->name, cursurf->name, sizeof(surf->name));
|
|
Q_strncpyz(surf->shader, cursurf->shader, sizeof(surf->shader));
|
|
|
|
surf->ofsHeader = (byte *) mdr - (byte *) surf;
|
|
|
|
surf->numVerts = LittleLong(cursurf->numVerts);
|
|
surf->numTriangles = LittleLong(cursurf->numTriangles);
|
|
// numBoneReferences and BoneReferences generally seem to be unused
|
|
|
|
// now do the checks that may fail.
|
|
if ( surf->numVerts >= SHADER_MAX_VERTEXES )
|
|
{
|
|
ri.Printf(PRINT_WARNING, "R_LoadMDR: %s has more than %i verts on %s (%i).\n",
|
|
mod_name, SHADER_MAX_VERTEXES - 1, surf->name[0] ? surf->name : "a surface",
|
|
surf->numVerts );
|
|
return qfalse;
|
|
}
|
|
if ( surf->numTriangles*3 >= SHADER_MAX_INDEXES )
|
|
{
|
|
ri.Printf(PRINT_WARNING, "R_LoadMDR: %s has more than %i triangles on %s (%i).\n",
|
|
mod_name, ( SHADER_MAX_INDEXES / 3 ) - 1, surf->name[0] ? surf->name : "a surface",
|
|
surf->numTriangles );
|
|
return qfalse;
|
|
}
|
|
// lowercase the surface name so skin compares are faster
|
|
Q_strlwr( surf->name );
|
|
|
|
// register the shaders
|
|
sh = R_FindShader(surf->shader, LIGHTMAP_NONE, qtrue);
|
|
if ( sh->defaultShader ) {
|
|
surf->shaderIndex = 0;
|
|
} else {
|
|
surf->shaderIndex = sh->index;
|
|
}
|
|
|
|
// now copy the vertexes.
|
|
v = (mdrVertex_t *) (surf + 1);
|
|
surf->ofsVerts = (int)((byte *) v - (byte *) surf);
|
|
curv = (mdrVertex_t *) ((byte *)cursurf + LittleLong(cursurf->ofsVerts));
|
|
|
|
for(j = 0; j < surf->numVerts; j++)
|
|
{
|
|
LL(curv->numWeights);
|
|
|
|
// simple bounds check
|
|
if(curv->numWeights < 0 || (byte *) (v + 1) + (curv->numWeights - 1) * sizeof(*weight) > (byte *) mdr + size)
|
|
{
|
|
ri.Printf(PRINT_WARNING, "R_LoadMDR: %s has broken structure.\n", mod_name);
|
|
return qfalse;
|
|
}
|
|
|
|
v->normal[0] = LittleFloat(curv->normal[0]);
|
|
v->normal[1] = LittleFloat(curv->normal[1]);
|
|
v->normal[2] = LittleFloat(curv->normal[2]);
|
|
|
|
v->texCoords[0] = LittleFloat(curv->texCoords[0]);
|
|
v->texCoords[1] = LittleFloat(curv->texCoords[1]);
|
|
|
|
v->numWeights = curv->numWeights;
|
|
weight = &v->weights[0];
|
|
curweight = &curv->weights[0];
|
|
|
|
// Now copy all the weights
|
|
for(k = 0; k < v->numWeights; k++)
|
|
{
|
|
weight->boneIndex = LittleLong(curweight->boneIndex);
|
|
weight->boneWeight = LittleFloat(curweight->boneWeight);
|
|
|
|
weight->offset[0] = LittleFloat(curweight->offset[0]);
|
|
weight->offset[1] = LittleFloat(curweight->offset[1]);
|
|
weight->offset[2] = LittleFloat(curweight->offset[2]);
|
|
|
|
weight++;
|
|
curweight++;
|
|
}
|
|
|
|
v = (mdrVertex_t *) weight;
|
|
curv = (mdrVertex_t *) curweight;
|
|
}
|
|
|
|
// we know the offset to the triangles now:
|
|
tri = (mdrTriangle_t *) v;
|
|
surf->ofsTriangles = (int)((byte *) tri - (byte *) surf);
|
|
curtri = (mdrTriangle_t *)((byte *) cursurf + LittleLong(cursurf->ofsTriangles));
|
|
|
|
// simple bounds check
|
|
if(surf->numTriangles < 0 || (byte *) (tri + surf->numTriangles) > (byte *) mdr + size)
|
|
{
|
|
ri.Printf(PRINT_WARNING, "R_LoadMDR: %s has broken structure.\n", mod_name);
|
|
return qfalse;
|
|
}
|
|
|
|
for(j = 0; j < surf->numTriangles; j++)
|
|
{
|
|
tri->indexes[0] = LittleLong(curtri->indexes[0]);
|
|
tri->indexes[1] = LittleLong(curtri->indexes[1]);
|
|
tri->indexes[2] = LittleLong(curtri->indexes[2]);
|
|
|
|
tri++;
|
|
curtri++;
|
|
}
|
|
|
|
// tri now points to the end of the surface.
|
|
surf->ofsEnd = (byte *) tri - (byte *) surf;
|
|
surf = (mdrSurface_t *) tri;
|
|
|
|
// find the next surface.
|
|
cursurf = (mdrSurface_t *) ((byte *) cursurf + LittleLong(cursurf->ofsEnd));
|
|
}
|
|
|
|
// surf points to the next lod now.
|
|
lod->ofsEnd = (int)((byte *) surf - (byte *) lod);
|
|
lod = (mdrLOD_t *) surf;
|
|
|
|
// find the next LOD.
|
|
curlod = (mdrLOD_t *)((byte *) curlod + LittleLong(curlod->ofsEnd));
|
|
}
|
|
|
|
// lod points to the first tag now, so update the offset too.
|
|
tag = (mdrTag_t *) lod;
|
|
mdr->ofsTags = (int)((byte *) tag - (byte *) mdr);
|
|
curtag = (mdrTag_t *) ((byte *)pinmodel + LittleLong(pinmodel->ofsTags));
|
|
|
|
// simple bounds check
|
|
if(mdr->numTags < 0 || (byte *) (tag + mdr->numTags) > (byte *) mdr + size)
|
|
{
|
|
ri.Printf(PRINT_WARNING, "R_LoadMDR: %s has broken structure.\n", mod_name);
|
|
return qfalse;
|
|
}
|
|
|
|
for (i = 0 ; i < mdr->numTags ; i++)
|
|
{
|
|
tag->boneIndex = LittleLong(curtag->boneIndex);
|
|
Q_strncpyz(tag->name, curtag->name, sizeof(tag->name));
|
|
|
|
tag++;
|
|
curtag++;
|
|
}
|
|
|
|
// And finally we know the real offset to the end.
|
|
mdr->ofsEnd = (int)((byte *) tag - (byte *) mdr);
|
|
|
|
// phew! we're done.
|
|
|
|
return qtrue;
|
|
}
|
|
|
|
|
|
|
|
//=============================================================================
|
|
|
|
/*
|
|
** RE_BeginRegistration
|
|
*/
|
|
void RE_BeginRegistration( glconfig_t *glconfigOut ) {
|
|
|
|
R_Init();
|
|
|
|
*glconfigOut = glConfig;
|
|
|
|
R_IssuePendingRenderCommands();
|
|
|
|
tr.viewCluster = -1; // force markleafs to regenerate
|
|
R_ClearFlares();
|
|
RE_ClearScene();
|
|
|
|
tr.registered = qtrue;
|
|
}
|
|
|
|
//=============================================================================
|
|
|
|
/*
|
|
===============
|
|
R_ModelInit
|
|
===============
|
|
*/
|
|
void R_ModelInit( void ) {
|
|
model_t *mod;
|
|
|
|
// leave a space for NULL model
|
|
tr.numModels = 0;
|
|
|
|
mod = R_AllocModel();
|
|
mod->type = MOD_BAD;
|
|
}
|
|
|
|
|
|
/*
|
|
================
|
|
R_Modellist_f
|
|
================
|
|
*/
|
|
void R_Modellist_f( void ) {
|
|
int i, j;
|
|
model_t *mod;
|
|
int total;
|
|
int lods;
|
|
|
|
total = 0;
|
|
for ( i = 1 ; i < tr.numModels; i++ ) {
|
|
mod = tr.models[i];
|
|
lods = 1;
|
|
for ( j = 1 ; j < MD3_MAX_LODS ; j++ ) {
|
|
if ( mod->md3[j] && mod->md3[j] != mod->md3[j-1] ) {
|
|
lods++;
|
|
}
|
|
}
|
|
ri.Printf( PRINT_ALL, "%8i : (%i) %s\n",mod->dataSize, lods, mod->name );
|
|
total += mod->dataSize;
|
|
}
|
|
ri.Printf( PRINT_ALL, "%8i : Total models\n", total );
|
|
|
|
#if 0 // not working right with new hunk
|
|
if ( tr.world ) {
|
|
ri.Printf( PRINT_ALL, "\n%8i : %s\n", tr.world->dataSize, tr.world->name );
|
|
}
|
|
#endif
|
|
}
|
|
|
|
|
|
//=============================================================================
|
|
|
|
|
|
/*
|
|
================
|
|
R_GetTag
|
|
================
|
|
*/
|
|
static md3Tag_t *R_GetTag( md3Header_t *mod, int frame, const char *tagName ) {
|
|
md3Tag_t *tag;
|
|
int i;
|
|
|
|
if ( frame >= mod->numFrames ) {
|
|
// it is possible to have a bad frame while changing models, so don't error
|
|
frame = mod->numFrames - 1;
|
|
}
|
|
|
|
tag = (md3Tag_t *)((byte *)mod + mod->ofsTags) + frame * mod->numTags;
|
|
for ( i = 0 ; i < mod->numTags ; i++, tag++ ) {
|
|
if ( !strcmp( tag->name, tagName ) ) {
|
|
return tag; // found it
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
md3Tag_t *R_GetAnimTag( mdrHeader_t *mod, int framenum, const char *tagName, md3Tag_t * dest)
|
|
{
|
|
int i, j, k;
|
|
int frameSize;
|
|
mdrFrame_t *frame;
|
|
mdrTag_t *tag;
|
|
|
|
if ( framenum >= mod->numFrames )
|
|
{
|
|
// it is possible to have a bad frame while changing models, so don't error
|
|
framenum = mod->numFrames - 1;
|
|
}
|
|
|
|
tag = (mdrTag_t *)((byte *)mod + mod->ofsTags);
|
|
for ( i = 0 ; i < mod->numTags ; i++, tag++ )
|
|
{
|
|
if ( !strcmp( tag->name, tagName ) )
|
|
{
|
|
Q_strncpyz(dest->name, tag->name, sizeof(dest->name));
|
|
|
|
// uncompressed model...
|
|
//
|
|
frameSize = (intptr_t)( &((mdrFrame_t *)0)->bones[ mod->numBones ] );
|
|
frame = (mdrFrame_t *)((byte *)mod + mod->ofsFrames + framenum * frameSize );
|
|
|
|
for (j = 0; j < 3; j++)
|
|
{
|
|
for (k = 0; k < 3; k++)
|
|
dest->axis[j][k]=frame->bones[tag->boneIndex].matrix[k][j];
|
|
}
|
|
|
|
dest->origin[0]=frame->bones[tag->boneIndex].matrix[0][3];
|
|
dest->origin[1]=frame->bones[tag->boneIndex].matrix[1][3];
|
|
dest->origin[2]=frame->bones[tag->boneIndex].matrix[2][3];
|
|
|
|
return dest;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/*
|
|
================
|
|
R_LerpTag
|
|
================
|
|
*/
|
|
int R_LerpTag( orientation_t *tag, qhandle_t handle, int startFrame, int endFrame,
|
|
float frac, const char *tagName ) {
|
|
md3Tag_t *start, *end;
|
|
md3Tag_t start_space, end_space;
|
|
int i;
|
|
float frontLerp, backLerp;
|
|
model_t *model;
|
|
|
|
model = R_GetModelByHandle( handle );
|
|
if ( !model->md3[0] )
|
|
{
|
|
if(model->type == MOD_MDR)
|
|
{
|
|
start = R_GetAnimTag((mdrHeader_t *) model->modelData, startFrame, tagName, &start_space);
|
|
end = R_GetAnimTag((mdrHeader_t *) model->modelData, endFrame, tagName, &end_space);
|
|
}
|
|
else if( model->type == MOD_IQM ) {
|
|
return R_IQMLerpTag( tag, model->modelData,
|
|
startFrame, endFrame,
|
|
frac, tagName );
|
|
} else {
|
|
start = end = NULL;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
start = R_GetTag( model->md3[0], startFrame, tagName );
|
|
end = R_GetTag( model->md3[0], endFrame, tagName );
|
|
}
|
|
|
|
if ( !start || !end ) {
|
|
AxisClear( tag->axis );
|
|
VectorClear( tag->origin );
|
|
return qfalse;
|
|
}
|
|
|
|
frontLerp = frac;
|
|
backLerp = 1.0f - frac;
|
|
|
|
for ( i = 0 ; i < 3 ; i++ ) {
|
|
tag->origin[i] = start->origin[i] * backLerp + end->origin[i] * frontLerp;
|
|
tag->axis[0][i] = start->axis[0][i] * backLerp + end->axis[0][i] * frontLerp;
|
|
tag->axis[1][i] = start->axis[1][i] * backLerp + end->axis[1][i] * frontLerp;
|
|
tag->axis[2][i] = start->axis[2][i] * backLerp + end->axis[2][i] * frontLerp;
|
|
}
|
|
VectorNormalize( tag->axis[0] );
|
|
VectorNormalize( tag->axis[1] );
|
|
VectorNormalize( tag->axis[2] );
|
|
return qtrue;
|
|
}
|
|
|
|
|
|
/*
|
|
====================
|
|
R_ModelBounds
|
|
====================
|
|
*/
|
|
void R_ModelBounds( qhandle_t handle, vec3_t mins, vec3_t maxs ) {
|
|
model_t *model;
|
|
|
|
model = R_GetModelByHandle( handle );
|
|
|
|
if(model->type == MOD_BRUSH) {
|
|
VectorCopy( model->bmodel->bounds[0], mins );
|
|
VectorCopy( model->bmodel->bounds[1], maxs );
|
|
|
|
return;
|
|
} else if (model->type == MOD_MESH) {
|
|
md3Header_t *header;
|
|
md3Frame_t *frame;
|
|
|
|
header = model->md3[0];
|
|
frame = (md3Frame_t *) ((byte *)header + header->ofsFrames);
|
|
|
|
VectorCopy( frame->bounds[0], mins );
|
|
VectorCopy( frame->bounds[1], maxs );
|
|
|
|
return;
|
|
} else if (model->type == MOD_MDR) {
|
|
mdrHeader_t *header;
|
|
mdrFrame_t *frame;
|
|
|
|
header = (mdrHeader_t *)model->modelData;
|
|
frame = (mdrFrame_t *) ((byte *)header + header->ofsFrames);
|
|
|
|
VectorCopy( frame->bounds[0], mins );
|
|
VectorCopy( frame->bounds[1], maxs );
|
|
|
|
return;
|
|
} else if(model->type == MOD_IQM) {
|
|
iqmData_t *iqmData;
|
|
|
|
iqmData = model->modelData;
|
|
|
|
if(iqmData->bounds)
|
|
{
|
|
VectorCopy(iqmData->bounds, mins);
|
|
VectorCopy(iqmData->bounds + 3, maxs);
|
|
return;
|
|
}
|
|
}
|
|
|
|
VectorClear( mins );
|
|
VectorClear( maxs );
|
|
}
|