/*
==================
Mod_LoadModel
Loads a model into the cache
==================
*/
model_t *Mod_LoadModel (model_t *mod, qboolean crash)
{
void *d;
unsigned *buf;
byte stackbuf[1024]; // avoid dirtying the cache heap
if (!mod->needload)
{
if (mod->type == mod_alias)
{
d = Cache_Check (&mod->cache);
if (d)
return mod;
}
else
return mod; // not cached at all
}
//
// because the world is so huge, load it one piece at a time
//
if (!crash)
{
}
//
// load the file
//
buf = (unsigned *)COM_LoadStackFile (mod->name, stackbuf, sizeof(stackbuf));
if (!buf)
{
if (crash)
Sys_Error ("Mod_NumForName: %s not found", mod->name);
return NULL;
}
//
// allocate a new model
//
COM_FileBase (mod->name, loadname);
loadmodel = mod;
//
// fill it in
//
// call the apropriate loader
mod->needload = false;
switch (LittleLong(*(unsigned *)buf))
{
case IDPOLYHEADER:
Mod_LoadAliasModel (mod, buf);
break;
case IDSPRITEHEADER:
Mod_LoadSpriteModel (mod, buf);
break;
default:
Mod_LoadBrushModel (mod, buf);
break;
}
return mod;
}
/*
==================
Mod_ForName
Loads in a model for the given name
==================
*/
model_t *Mod_ForName (char *name, qboolean crash)
{
model_t *mod;
unsigned *buf;
int i;
if (!name[0])
ri.Sys_Error (ERR_DROP, "Mod_ForName: NULL name");
//
// inline models are grabbed only from worldmodel
//
if (name[0] == '*')
{
i = atoi(name+1);
if (i < 1 || !r_worldmodel || i >= r_worldmodel->numsubmodels)
ri.Sys_Error (ERR_DROP, "bad inline model number");
return &mod_inline[i];
}
//
// search the currently loaded models
//
for (i=0 , mod=mod_known ; i<mod_numknown ; i++, mod++)
{
if (!mod->name[0])
continue;
if (!strcmp (mod->name, name) )
return mod;
}
//
// find a free model slot spot
//
for (i=0 , mod=mod_known ; i<mod_numknown ; i++, mod++)
{
if (!mod->name[0])
break; // free spot
}
if (i == mod_numknown)
{
if (mod_numknown == MAX_MOD_KNOWN)
ri.Sys_Error (ERR_DROP, "mod_numknown == MAX_MOD_KNOWN");
mod_numknown++;
}
strcpy (mod->name, name);
//
// load the file
//
modfilelen = ri.FS_LoadFile (mod->name, &buf);
if (!buf)
{
if (crash)
ri.Sys_Error (ERR_DROP, "Mod_NumForName: %s not found", mod->name);
memset (mod->name, 0, sizeof(mod->name));
return NULL;
}
loadmodel = mod;
//
// fill it in
//
// call the apropriate loader
switch (LittleLong(*(unsigned *)buf))
{
case IDALIASHEADER:
loadmodel->extradata = Hunk_Begin (0x200000);
Mod_LoadAliasModel (mod, buf);
break;
case IDSPRITEHEADER:
loadmodel->extradata = Hunk_Begin (0x10000);
Mod_LoadSpriteModel (mod, buf);
break;
case IDBSPHEADER:
loadmodel->extradata = Hunk_Begin (0x1000000);
Mod_LoadBrushModel (mod, buf);
break;
default:
ri.Sys_Error (ERR_DROP,"Mod_NumForName: unknown fileid for %s", mod->name);
break;
}
loadmodel->extradatasize = Hunk_End ();
ri.FS_FreeFile (buf);
return mod;
}
/*
==================
Mod_ForName
Loads in a model for the given name
==================
*/
model_t *Mod_ForName (char *name, qboolean crash)
{
model_t *mod;
int i;
FILE *file;
long base;
int type;
char *extradata;
if (!name[0])
ri.Sys_Error (ERR_DROP, "Mod_ForName: NULL name");
//
// inline models are grabbed only from worldmodel
//
if (name[0] == '*')
{
i = atoi(name+1);
if (i < 1 || !r_worldmodel || i >= r_worldmodel->numsubmodels)
ri.Sys_Error (ERR_DROP, "bad inline model number");
return &mod_inline[i];
}
//
// search the currently loaded models
//
for (i=0 , mod=mod_known ; i<mod_numknown ; i++, mod++)
{
if (!mod->name[0])
continue;
if (!strcmp (mod->name, name) )
return mod;
}
//
// find a free model slot spot
//
for (i=0 , mod=mod_known ; i<mod_numknown ; i++, mod++)
{
if (!mod->name[0])
break; // free spot
}
if (i == mod_numknown)
{
if (mod_numknown == MAX_MOD_KNOWN)
ri.Sys_Error (ERR_DROP, "mod_numknown == MAX_MOD_KNOWN");
mod_numknown++;
}
strcpy (mod->name, name);
//
// load the file
//
modfilelen = ri.FS_FOpenFile (mod->name, &file);
if (modfilelen < 0)
{
if (crash)
ri.Sys_Error (ERR_DROP, "Mod_NumForName: %s not found", mod->name);
memset (mod->name, 0, sizeof(mod->name));
return NULL;
}
loadmodel = mod;
extradata = Hunk_Alloc(&hunk_ref, 0);
//
// fill it in
//
base = ftell(file);
// call the apropriate loader
ri.FS_Read(&type, sizeof(type), file);
fseek(file, base, SEEK_SET);
switch (LittleLong(type))
{
case IDALIASHEADER:
Mod_LoadAliasModel (mod, file, base);
break;
case IDSPRITEHEADER:
Mod_LoadSpriteModel (mod, file, base);
break;
case IDBSPHEADER:
Mod_LoadBrushModel (mod, file, base);
break;
default:
ri.Sys_Error (ERR_DROP,"Mod_NumForName: unknown fileid for %s", mod->name);
break;
}
loadmodel->extradatasize = (char *)Hunk_Alloc (&hunk_ref, 0) - extradata;
ri.FS_FCloseFile(file);
return mod;
}
/*
==================
Mod_LoadModel
Loads a model into the cache
==================
*/
model_t *Mod_LoadModel (model_t *mod, qboolean crash)
{
unsigned *buf;
// >>> FIX: For Nintendo Wii using devkitPPC / libogc
// Deferring allocation. Stack in this device is pretty small:
//byte stackbuf[1024]; // avoid dirtying the cache heap
byte* stackbuf; // avoid dirtying the cache heap
// <<< FIX
if (mod->type == mod_alias)
{
if (Cache_Check (&mod->cache))
{
mod->needload = NL_PRESENT;
return mod;
}
}
else
{
if (mod->needload == NL_PRESENT)
return mod;
}
//
// because the world is so huge, load it one piece at a time
//
//
// load the file
//
// >>> FIX: For Nintendo Wii using devkitPPC / libogc
// Allocating for previous fixes (and, this time, expanding the allocated size), in big stack:
stackbuf = Sys_BigStackAlloc(4096 * sizeof(byte), "Mod_LoadModel");
// <<< FIX
// >>> FIX: For Nintendo Wii using devkitPPC / libogc
// Adjusting for previous fix:
//buf = (unsigned *)COM_LoadStackFile (mod->name, stackbuf, sizeof(stackbuf));
buf = (unsigned *)COM_LoadStackFile (mod->name, stackbuf, 4096);
// <<< FIX
if (!buf)
{
if (crash)
Sys_Error ("Mod_NumForName: %s not found", mod->name);
// >>> FIX: For Nintendo Wii using devkitPPC / libogc
// Deallocating from previous fixes:
Sys_BigStackFree(4096 * sizeof(byte), "Mod_LoadModel");
// <<< FIX
return NULL;
}
//
// allocate a new model
//
COM_FileBase (mod->name, loadname);
loadmodel = mod;
//
// fill it in
//
// call the apropriate loader
mod->needload = NL_PRESENT;
switch (LittleLong(*(unsigned *)buf))
{
case IDPOLYHEADER:
Mod_LoadAliasModel (mod, buf);
break;
case IDSPRITEHEADER:
Mod_LoadSpriteModel (mod, buf);
break;
default:
Mod_LoadBrushModel (mod, buf);
break;
}
// >>> FIX: For Nintendo Wii using devkitPPC / libogc
// Deallocating from previous fixes:
Sys_BigStackFree(4096 * sizeof(byte), "Mod_LoadModel");
// <<< FIX
return mod;
}
/*
==================
Mod_ForName
Loads in a model for the given name
==================
*/
model_t *Mod_ForName (const char *name_, qboolean crash)
{
model_t *mod;
model_t *modelhash;
mscache_t *model_size;
byte *buf;
int i;
unsigned hash;
size_t len = strlen(name_);
char *name = (char *) alloca(len + 1);
strcpy(name, name_);
if (!name || !name[0])
VID_Error (ERR_DROP, "Mod_ForName: NULL name");
//
// inline models are grabbed only from worldmodel
//
if (name[0] == '*')
{
i = atoi(name+1);
if (i < 1 || !r_worldmodel || i >= r_worldmodel->numsubmodels)
VID_Error (ERR_DROP, "bad inline model number %d", i);
return &mod_inline[i];
}
fast_strlwr (name);
hash = hashify (name) % MODEL_HASH_SIZE;
for (modelhash = models_hash[hash]; modelhash; modelhash = modelhash->hash_next)
{
if (!strcmp (modelhash->name, name))
{
return modelhash;
}
}
for (model_size = model_size_cache[hash]; model_size; model_size = model_size->hash_next)
{
if (!strcmp (model_size->name, name))
break;
}
//
// search the currently loaded models
//
/*for (i=0 , mod=mod_known ; i<mod_numknown ; i++, mod++)
{
if (!mod->name[0] || mod->hash != hash)
continue;
if (!strcmp (mod->name, name) )
return mod;
}*/
//
// find a free model slot spot
//
for (i=0 , mod=mod_known ; i<mod_numknown ; i++, mod++)
{
if (!mod->name[0])
break; // free spot
}
if (i == mod_numknown)
{
if (mod_numknown == MAX_MOD_KNOWN)
VID_Error (ERR_DROP, "mod_numknown == MAX_MOD_KNOWN");
mod_numknown++;
}
strncpy (mod->name, name, sizeof(mod->name)-1);
//
// load the file
//
modfilelen = FS_LoadFile (name, (void **)&buf);
if (!buf)
{
if (crash)
VID_Error (ERR_DROP, "Mod_NumForName: %s not found", mod->name);
mod->name[0] = 0;
return NULL;
}
loadmodel = mod;
//
// fill it in
//
// call the apropriate loader
switch (LittleLong(*(unsigned *)buf))
{
case IDALIASHEADER:
if (model_size)
loadmodel->extradata = Hunk_Begin (model_size->size, model_size->size);
else
loadmodel->extradata = Hunk_Begin (0x200000, 0);
Mod_LoadAliasModel (mod, buf);
break;
case IDSPRITEHEADER:
if (model_size)
loadmodel->extradata = Hunk_Begin (model_size->size, model_size->size);
else
loadmodel->extradata = Hunk_Begin (0x4000, 0);
Mod_LoadSpriteModel (mod, buf);
break;
case IDBSPHEADER:
if (model_size)
loadmodel->extradata = Hunk_Begin (model_size->size, model_size->size);
else
loadmodel->extradata = Hunk_Begin (0x1000000, 0);
Mod_LoadBrushModel (mod, buf);
break;
default:
VID_Error (ERR_DROP,"Mod_NumForName: unknown 0x%.8x fileid for %s", LittleLong(*(unsigned *)buf), mod->name);
break;
}
if (model_size)
{
loadmodel->extradatasize = model_size->size;
}
else
{
loadmodel->extradatasize = Hunk_End ();
model_size = (mscache_t *) malloc (sizeof(*model_size));
if (!model_size)
VID_Error (ERR_FATAL, "Mod_ForName: out of memory");
strcpy (model_size->name, mod->name);
model_size->size = loadmodel->extradatasize;
model_size->hash_next = model_size_cache[hash];
model_size_cache[hash] = model_size;
}
mod->hash_next = models_hash[hash];
models_hash[hash] = mod;
FS_FreeFile (buf);
return mod;
}
