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gl_model.c
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gl_model.c
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/*
Copyright (C) 1996-1997 Id Software, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
// gl_model.c -- model loading and caching
// models are the only shared resource between a client and server running
// on the same machine.
#include "quakedef.h"
model_t *loadmodel;
char loadname[32]; // for hunk tags
void Mod_LoadSpriteModel (model_t *mod, void *buffer);
void Mod_LoadBrushModel (model_t *mod, void *buffer);
void Mod_LoadAliasModel (model_t *mod, void *buffer);
model_t *Mod_LoadModel (model_t *mod, qboolean crash);
static byte *mod_novis;
static int mod_novis_capacity;
static byte *mod_decompressed;
static int mod_decompressed_capacity;
#define MAX_MOD_KNOWN 2048 // was 512
model_t mod_known[MAX_MOD_KNOWN];
int mod_numknown;
cvar_t external_lit = {"external_lit","1", CVAR_NONE};
cvar_t external_vis = {"external_vis","1", CVAR_NONE};
cvar_t external_ent = {"external_ent","1", CVAR_NONE};
/*
===============
Mod_External
===============
*/
void Mod_External (void)
{
Con_Printf ("external resources change takes effect on map restart/change.\n");
}
/*
===============
Mod_Init
===============
*/
void Mod_Init (void)
{
Cvar_RegisterVariableCallback (&external_lit, Mod_External);
Cvar_RegisterVariableCallback (&external_vis, Mod_External);
Cvar_RegisterVariableCallback (&external_ent, Mod_External);
}
/*
===============
Mod_Extradata
Caches the data if needed
===============
*/
void *Mod_Extradata (model_t *mod)
{
void *r;
r = Cache_Check (&mod->cache);
if (r)
return r;
Mod_LoadModel (mod, true);
if (!mod->cache.data)
Host_Error ("Mod_Extradata: caching failed, model %s", mod->name);
return mod->cache.data;
}
/*
===============
Mod_PointInLeaf
===============
*/
mleaf_t *Mod_PointInLeaf (vec3_t p, model_t *model)
{
mnode_t *node;
float d;
mplane_t *plane;
if (!model || !model->nodes)
Host_Error ("Mod_PointInLeaf: bad model");
node = model->nodes;
while (1)
{
if (node->contents < 0)
return (mleaf_t *)node;
plane = node->plane;
d = DotProduct (p,plane->normal) - plane->dist;
if (d > 0)
node = node->children[0];
else
node = node->children[1];
}
return NULL; // never reached
}
/*
===================
Mod_DecompressVis
===================
*/
byte *Mod_DecompressVis (byte *in, model_t *model)
{
int c;
byte *out;
byte *outend;
int row;
row = (model->numleafs+7)>>3;
if (mod_decompressed == NULL || row > mod_decompressed_capacity)
{
mod_decompressed_capacity = row;
mod_decompressed = (byte *) realloc (mod_decompressed, mod_decompressed_capacity);
if (!mod_decompressed)
Host_Error ("Mod_DecompressVis: realloc() failed on %d bytes", mod_decompressed_capacity);
}
out = mod_decompressed;
outend = mod_decompressed + row;
if (!in || r_novis.value == 2)
{ // no vis info, so make all visible
while (row)
{
*out++ = 0xff;
row--;
}
return mod_decompressed;
}
do
{
if (*in)
{
*out++ = *in++;
continue;
}
c = in[1];
in += 2;
while (c)
{
if (out == outend)
{
if(!model->viswarn) {
model->viswarn = true;
Con_Warning("Mod_DecompressVis: output overrun on model \"%s\"\n", model->name);
}
return mod_decompressed;
}
*out++ = 0;
c--;
}
} while (out - mod_decompressed < row);
return mod_decompressed;
}
/*
=================
Mod_LeafPVS
=================
*/
byte *Mod_LeafPVS (mleaf_t *leaf, model_t *model)
{
if (leaf == model->leafs)
return Mod_NoVisPVS (model);
return Mod_DecompressVis (leaf->compressed_vis, model);
}
/*
=================
Mod_NoVisPVS
=================
*/
byte *Mod_NoVisPVS (model_t *model)
{
int pvsbytes;
pvsbytes = (model->numleafs+7)>>3;
if (mod_novis == NULL || pvsbytes > mod_novis_capacity)
{
mod_novis_capacity = pvsbytes;
mod_novis = (byte *) realloc (mod_novis, mod_novis_capacity);
if (!mod_novis)
Host_Error ("Mod_NoVisPVS: realloc() failed on %d bytes", mod_novis_capacity);
memset(mod_novis, 0xff, mod_novis_capacity);
}
return mod_novis;
}
/*
===================
Mod_ClearAll
===================
*/
void Mod_ClearAll (void)
{
int i;
model_t *mod;
for (i=0 , mod=mod_known ; i<mod_numknown ; i++, mod++)
{
if (mod->type != mod_alias)
{
mod->needload = true;
GL_FreeTextures (mod);
}
}
}
/*
==================
Mod_FindName
==================
*/
model_t *Mod_FindName (char *name)
{
int i;
model_t *mod;
if (!name[0])
Host_Error ("Mod_FindName: NULL name");
//
// search the currently loaded models
//
for (i=0 , mod=mod_known ; i<mod_numknown ; i++, mod++)
if (!strcmp (mod->name, name) )
break;
if (i == mod_numknown)
{
if (mod_numknown == MAX_MOD_KNOWN)
Host_Error ("Mod_FindName: mod_numknown == MAX_MOD_KNOWN (%d)", MAX_MOD_KNOWN);
strcpy (mod->name, name);
mod->needload = true;
mod_numknown++;
}
return mod;
}
/*
==================
Mod_TouchModel
==================
*/
void Mod_TouchModel (char *name)
{
model_t *mod;
mod = Mod_FindName (name);
if (!mod->needload)
{
if (mod->type == mod_alias)
Cache_Check (&mod->cache);
}
}
/*
==================
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), &mod->path_id);
if (!buf)
{
if (crash)
Host_Error ("Mod_LoadModel: %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;
mod = Mod_FindName (name);
return Mod_LoadModel (mod, crash);
}
/*
===============================================================================
BRUSHMODEL LOADING
===============================================================================
*/
static int missingtex;
byte *mod_base = NULL; // set to null
/*
==================
IsFullbright
==================
*/
qboolean IsFullbright (byte *pixels, int size)
{
int i;
for (i=0 ; i<size ; i++)
if (pixels[i] > 223)
return true;
return false;
}
/*
=================
Mod_LoadTextures
=================
*/
void Mod_LoadTextures (lump_t *l)
{
int i, j, pixels, num, maxanim, altmax;
miptex_t *mt;
texture_t *tx, *tx2;
texture_t *anims[10];
texture_t *altanims[10];
dmiptexlump_t *m;
char texturename[64];
char texname[16 + 1];
int nummiptex;
uintptr_t offset; //johnfitz
int mark;
//johnfitz -- don't return early if no textures; still need to create dummy texture
if (!l->filelen)
{
Con_Warning ("Mod_LoadTextures: no textures in bsp file %s\n", loadmodel->name);
m = NULL; // keep compiler happy
nummiptex = 0;
}
else
{
m = (dmiptexlump_t *)(mod_base + l->fileofs);
m->nummiptex = LittleLong (m->nummiptex);
nummiptex = m->nummiptex;
}
loadmodel->numtextures = nummiptex + 2; // need 2 dummy texture chains for missing textures
loadmodel->textures = Hunk_AllocName (loadmodel->numtextures * sizeof(*loadmodel->textures) , loadname);
missingtex = 0;
for (i=0 ; i<nummiptex ; i++)
{
m->dataofs[i] = LittleLong (m->dataofs[i]);
if (m->dataofs[i] == -1)
{
++missingtex;
continue;
}
mt = (miptex_t *)((byte *)m + m->dataofs[i]);
mt->width = LittleLong (mt->width);
mt->height = LittleLong (mt->height);
for (j=0 ; j<MIPLEVELS ; j++)
mt->offsets[j] = LittleLong (mt->offsets[j]);
// make sure texname is terminated
memset (texname, 0, sizeof(texname));
memcpy (texname, mt->name, sizeof(texname) - 1);
if (!texname[0]) // check if missing texname
{
sprintf (texname, "unnamed%d", i);
Con_Warning ("Mod_LoadTextures: unnamed texture in %s, renaming to %s\n", loadmodel->name, texname);
}
if ( (mt->width & 15) || (mt->height & 15) )
Host_Error ("Mod_LoadTextures: texture '%s' is not 16 aligned (%dx%d) in %s", texname, mt->width, mt->height, loadmodel->name);
pixels = mt->width*mt->height/64*85;
tx = Hunk_AllocName (sizeof(texture_t) +pixels, loadname );
loadmodel->textures[i] = tx;
strcpy (tx->name, texname);
tx->width = mt->width;
tx->height = mt->height;
for (j=0 ; j<MIPLEVELS ; j++)
tx->offsets[j] = mt->offsets[j] + sizeof(texture_t) - sizeof(miptex_t);
// the pixels immediately follow the structures
memcpy ( tx+1, mt+1, pixels);
tx->update_warp = false;
tx->warpimage = NULL;
tx->fullbright = NULL;
if (cls.state != ca_dedicated) // no texture uploading for dedicated server
{
if (!strncasecmp(tx->name, "sky", 3)) // sky texture (also note: was strncmp, changed to match qbsp)
{
R_InitSky (tx);
}
else if (tx->name[0] == '*') // warping texture
{
mark = Hunk_LowMark ();
sprintf (texturename, "%s:%s", loadmodel->name, tx->name);
offset = (uintptr_t)(mt+1) - (uintptr_t)mod_base;
tx->gltexture = GL_LoadTexture (loadmodel, texturename, tx->width, tx->height, SRC_INDEXED, (byte *)(tx+1), loadmodel->name, offset, TEXPREF_WARP);
//now create the warpimage, using dummy data from the hunk to create the initial image
Hunk_Alloc (gl_warpimage_size*gl_warpimage_size*4); //make sure hunk is big enough so we don't reach an illegal address
Hunk_FreeToLowMark (mark);
sprintf (texturename, "%s_warp", texturename);
tx->warpimage = GL_LoadTexture (loadmodel, texturename, gl_warpimage_size, gl_warpimage_size, SRC_RGBA, hunk_base, "", (uintptr_t)hunk_base, TEXPREF_NOPICMIP | TEXPREF_WARPIMAGE);
tx->update_warp = true;
}
else // regular texture
{
int extraflags = TEXPREF_NONE;
mark = Hunk_LowMark ();
if (tx->name[0] == '{') // fence texture
extraflags |= TEXPREF_ALPHA;
offset = (uintptr_t)(mt+1) - (uintptr_t)mod_base;
if (IsFullbright ((byte *)(tx+1), pixels))
{
sprintf (texturename, "%s:%s", loadmodel->name, tx->name);
tx->gltexture = GL_LoadTexture (loadmodel, texturename, tx->width, tx->height, SRC_INDEXED, (byte *)(tx+1), loadmodel->name, offset, TEXPREF_MIPMAP | TEXPREF_NOBRIGHT | extraflags);
sprintf (texturename, "%s:%s_glow", loadmodel->name, tx->name);
tx->fullbright = GL_LoadTexture (loadmodel, texturename, tx->width, tx->height, SRC_INDEXED, (byte *)(tx+1), loadmodel->name, offset, TEXPREF_MIPMAP | TEXPREF_FULLBRIGHT | extraflags);
}
else
{
sprintf (texturename, "%s:%s", loadmodel->name, tx->name);
tx->gltexture = GL_LoadTexture (loadmodel, texturename, tx->width, tx->height, SRC_INDEXED, (byte *)(tx+1), loadmodel->name, offset, TEXPREF_MIPMAP | extraflags);
}
Hunk_FreeToLowMark (mark);
}
}
}
// last 2 slots in array should be filled with dummy textures
loadmodel->textures[loadmodel->numtextures-2] = notexture_mip; // for lightmapped surfs
loadmodel->textures[loadmodel->numtextures-1] = notexture_mip2; // for SURF_DRAWTILED surfs
//
// sequence the animations
//
for (i=0 ; i<nummiptex ; i++)
{
tx = loadmodel->textures[i];
if (!tx || tx->name[0] != '+')
continue;
if (tx->anim_next)
continue; // already sequenced
// find the number of frames in the animation
memset (anims, 0, sizeof(anims));
memset (altanims, 0, sizeof(altanims));
maxanim = tx->name[1];
altmax = 0;
if (maxanim >= 'a' && maxanim <= 'z')
maxanim -= 'a' - 'A';
if (maxanim >= '0' && maxanim <= '9')
{
maxanim -= '0';
altmax = 0;
anims[maxanim] = tx;
maxanim++;
}
else if (maxanim >= 'A' && maxanim <= 'J')
{
altmax = maxanim - 'A';
maxanim = 0;
altanims[altmax] = tx;
altmax++;
}
else
Host_Error ("Mod_LoadTextures: Bad animating texture '%s'", tx->name);
for (j=i+1 ; j<nummiptex ; j++)
{
tx2 = loadmodel->textures[j];
if (!tx2 || tx2->name[0] != '+')
continue;
if (strcmp (tx2->name+2, tx->name+2))
continue;
num = tx2->name[1];
if (num >= 'a' && num <= 'z')
num -= 'a' - 'A';
if (num >= '0' && num <= '9')
{
num -= '0';
anims[num] = tx2;
if (num+1 > maxanim)
maxanim = num + 1;
}
else if (num >= 'A' && num <= 'J')
{
num = num - 'A';
altanims[num] = tx2;
if (num+1 > altmax)
altmax = num+1;
}
else
Host_Error ("Mod_LoadTextures: Bad animating texture '%s'", tx->name);
}
#define ANIM_CYCLE 2
// link them all together
for (j=0 ; j<maxanim ; j++)
{
tx2 = anims[j];
if (!tx2)
Host_Error ("Missing frame %i of %s",j, tx->name);
tx2->anim_total = maxanim * ANIM_CYCLE;
tx2->anim_min = j * ANIM_CYCLE;
tx2->anim_max = (j+1) * ANIM_CYCLE;
tx2->anim_next = anims[ (j+1)%maxanim ];
if (altmax)
tx2->alternate_anims = altanims[0];
}
for (j=0 ; j<altmax ; j++)
{
tx2 = altanims[j];
if (!tx2)
Host_Error ("Missing frame %i of %s",j, tx->name);
tx2->anim_total = altmax * ANIM_CYCLE;
tx2->anim_min = j * ANIM_CYCLE;
tx2->anim_max = (j+1) * ANIM_CYCLE;
tx2->anim_next = altanims[ (j+1)%altmax ];
if (maxanim)
tx2->alternate_anims = anims[0];
}
}
}
/*
=================
Mod_LoadLighting
replaced with lit support code via lordhavoc
=================
*/
void Mod_LoadLighting (lump_t *l)
{
// LordHavoc: .lit support
int i;
int mark;
byte *in, *out, *data;
byte d;
char litfilename[MAX_QPATH];
unsigned int path_id;
loadmodel->lightdata = NULL;
if (loadmodel->isworldmodel && external_lit.value)
{
// LordHavoc: check for a .lit file
strcpy(litfilename, loadmodel->name);
COM_StripExtension(litfilename, litfilename);
strcat(litfilename, ".lit");
Con_DPrintf("trying to load %s\n", litfilename);
mark = Hunk_LowMark ();
data = (byte *) COM_LoadHunkFile (litfilename, &path_id);
if (data)
{
// use .lit file only from the same gamedir as the map
// itself or from a searchpath with higher priority.
if (path_id < loadmodel->path_id)
{
Con_DPrintf("Ignored %s from a gamedir with lower priority\n", litfilename);
}
else if (data[0] == 'Q' && data[1] == 'L' && data[2] == 'I' && data[3] == 'T')
{
i = LittleLong(((int *)data)[1]);
if (i == 1)
{
Con_DPrintf("%s loaded\n", litfilename);
loadmodel->lightdata = data + 8;
return;
}
else
Con_DPrintf("Unknown .lit file version (%d)\n", i);
}
else
Con_DPrintf("Corrupt .lit file (old version?), ignoring\n");
Hunk_FreeToLowMark (mark);
}
}
// LordHavoc: no .lit found, expand the white lighting data to color
if (!l->filelen)
{
return;
}
loadmodel->lightdata = Hunk_AllocName ( l->filelen*3, litfilename);
in = loadmodel->lightdata + l->filelen*2; // place the file at the end, so it will not be overwritten until the very last write
out = loadmodel->lightdata;
memcpy (in, mod_base + l->fileofs, l->filelen);
for (i = 0;i < l->filelen;i++)
{
d = *in++;
*out++ = d;
*out++ = d;
*out++ = d;
}
}
// store external leaf data
void *extleafdata;
int extleaflen;
/*
=================
Mod_LoadVisibility
external .vis support via Maddes
=================
*/
void Mod_LoadVisibility (lump_t *l)
{
// EER1: .vis support
FILE *f;
int filelen;
char visfilename[MAX_QPATH];
char loadmapname[MAX_QPATH];
vispatch_t vispatch;
unsigned int path_id;
loadmodel->viswarn = false;
loadmodel->visdata = NULL;
extleafdata = NULL;
extleaflen = 0;
if (loadmodel->isworldmodel && external_vis.value)
{
// EER1: check for a .vis file
strcpy(visfilename, loadmodel->name);
COM_StripExtension(visfilename, visfilename);
strcat(visfilename, ".vis");
Con_DPrintf("trying to load %s\n", visfilename);
filelen = COM_FOpenFile (visfilename, &f, &path_id);
if (f)
{
// use .vis file only from the same gamedir as the map
// itself or from a searchpath with higher priority.
if (path_id < loadmodel->path_id)
{
Con_DPrintf("Ignored %s from a gamedir with lower priority\n", visfilename);
}
else if (filelen)
{
int hlen;
qboolean match = false;
// reading header
hlen = fread (&vispatch.mapname, 1, VISPATCH_MAPNAME_IDLEN, f);
if (hlen == VISPATCH_MAPNAME_IDLEN)
{
strcpy(loadmapname, loadname);
strcat(loadmapname, ".bsp");
if (!strcasecmp (vispatch.mapname, loadmapname)) // match
{
match = true;
hlen += fread (&vispatch.datalen, 1, sizeof(int), f);
}
}
if (match && hlen == VISPATCH_HEADER_LEN)
{
char load[32];
Con_DPrintf ("Loaded external visibility file %s\n", visfilename);
vispatch.datalen = LittleLong(vispatch.datalen);
Con_DPrintf ("vispatch file data lenght %i bytes\n", vispatch.datalen);
// get visibility data length
fread (&vispatch.vislen, 1, sizeof(int), f);
vispatch.vislen = LittleLong(vispatch.vislen);
Con_DPrintf ("...%i bytes visibility data\n", vispatch.vislen);
// load visibility data
if (!vispatch.vislen)
{
goto standard;
}
strcpy(load, loadname);
strcat(load, ":vis");
loadmodel->visdata = Hunk_AllocName (vispatch.vislen, load);
fread (loadmodel->visdata, 1, vispatch.vislen, f);
// get leaf data length
fread (&vispatch.leaflen, 1, sizeof(int), f);
vispatch.leaflen = LittleLong(vispatch.leaflen);
Con_DPrintf("...%i bytes leaf data\n", vispatch.leaflen);
// load leaf data
if (!vispatch.leaflen)
{
loadmodel->visdata = NULL;
goto standard;
}
strcpy(load, loadname);
strcat(load, ":leaf");
extleafdata = Hunk_AllocName (vispatch.leaflen, load);
fread (extleafdata, 1, vispatch.leaflen, f);
extleaflen = vispatch.leaflen;
fclose (f);
return;
}
else if (!match && hlen == VISPATCH_MAPNAME_IDLEN)
Con_DPrintf ("Not match .vis file header mapname (%s should be %s)\n", vispatch.mapname, loadmapname);
else
Con_DPrintf ("Wrong .vis file header lenght (%d should be %d)\n", hlen, VISPATCH_HEADER_LEN);
}
else
Con_DPrintf ("Ignoring invalid .vis file. Doing standard vis.\n");
standard:
fclose (f);
}
}
if (!l->filelen)
{
return;
}
loadmodel->visdata = Hunk_AllocName ( l->filelen, loadname);
memcpy (loadmodel->visdata, mod_base + l->fileofs, l->filelen);
}
/*
=================
Mod_LoadEntities
external .ent support from QuakeSpasm
=================
*/
void Mod_LoadEntities (lump_t *l)
{
// QS: .ent support
int mark;
char entfilename[MAX_QPATH];
char *ents;
unsigned int path_id;
loadmodel->entities = NULL;
if (loadmodel->isworldmodel && external_ent.value)
{
// QS: check for a .ent file
strcpy(entfilename, loadmodel->name);
COM_StripExtension(entfilename, entfilename);
strcat(entfilename, ".ent");
Con_DPrintf("trying to load %s\n", entfilename);
mark = Hunk_LowMark ();
ents = (char *) COM_LoadHunkFile (entfilename, &path_id);
if (ents)
{
// use .ent file only from the same gamedir as the map
// itself or from a searchpath with higher priority.
if (path_id < loadmodel->path_id)
{
Con_DPrintf("Ignored %s from a gamedir with lower priority\n", entfilename);
}
else
{
loadmodel->entities = ents;
Con_DPrintf("Loaded external entity file %s\n", entfilename);
return;
}
Hunk_FreeToLowMark (mark);
}
}
if (!l->filelen)
{
return;
}
loadmodel->entities = Hunk_AllocName ( l->filelen, loadname);
memcpy (loadmodel->entities, mod_base + l->fileofs, l->filelen);
}
/*
=================
Mod_LoadVertexes
=================
*/
void Mod_LoadVertexes (lump_t *l)
{
dvertex_t *in;
mvertex_t *out;
int i, count;
in = (void *)(mod_base + l->fileofs);
if (l->filelen % sizeof(*in))
Host_Error ("Mod_LoadVertexes: funny lump size in %s",loadmodel->name);
count = l->filelen / sizeof(*in);
if (count > 65535) // old limit warning
Con_DWarning ("Mod_LoadVertexes: vertexes exceeds standard limit (%d, normal max = %d) in %s\n", count, 65535, loadmodel->name);
out = Hunk_AllocName ( count*sizeof(*out), loadname);
loadmodel->vertexes = out;
loadmodel->numvertexes = count;
for ( i=0 ; i<count ; i++, in++, out++)
{
out->position[0] = LittleFloat (in->point[0]);
out->position[1] = LittleFloat (in->point[1]);
out->position[2] = LittleFloat (in->point[2]);
}
}
/*
=================
Mod_LoadSubmodels
=================
*/
void Mod_LoadSubmodels (lump_t *l)
{
dmodel_t *in;
dmodel_t *out;
int i, j, count;
in = (void *)(mod_base + l->fileofs);
if (l->filelen % sizeof(*in))
Host_Error ("Mod_LoadSubmodels: funny lump size in %s",loadmodel->name);
count = l->filelen / sizeof(*in);
if (count > 256) // old limit warning
Con_DWarning ("Mod_LoadSubmodels: models exceeds standard limit (%d, normal max = %d) in %s\n", count, 256, loadmodel->name);
out = Hunk_AllocName ( count*sizeof(*out), loadname);
loadmodel->submodels = out;
loadmodel->numsubmodels = count;
for ( i=0 ; i<count ; i++, in++, out++)
{
for (j=0 ; j<3 ; j++)
{ // spread the mins / maxs by a pixel
out->mins[j] = LittleFloat (in->mins[j]) - 1;
out->maxs[j] = LittleFloat (in->maxs[j]) + 1;
out->origin[j] = LittleFloat (in->origin[j]);
}
for (j=0 ; j<MAX_MAP_HULLS ; j++)
out->headnode[j] = LittleLong (in->headnode[j]);
out->visleafs = LittleLong (in->visleafs);
out->firstface = LittleLong (in->firstface);
out->numfaces = LittleLong (in->numfaces);
}
// check world visleafs
out = loadmodel->submodels;
if (out->visleafs > 8192) // old limit warning
Con_DWarning ("Mod_LoadSubmodels: visleafs exceeds standard limit (%d, normal max = %d) in %s\n", out->visleafs, 8192, loadmodel->name);
}
/*
=================
Mod_LoadEdges_S
short version
=================
*/
void Mod_LoadEdges_S (lump_t *l)
{
dedge_s_t *in;
medge_t *out;
int i, count;
in = (dedge_s_t *)(mod_base + l->fileofs);
if (l->filelen % sizeof(*in))
Host_Error ("Mod_LoadEdges_S: funny lump size in %s",loadmodel->name);
count = l->filelen / sizeof(*in);
out = Hunk_AllocName (count * sizeof(*out), loadname);
loadmodel->edges = out;
loadmodel->numedges = count;
for ( i=0 ; i<count ; i++, in++, out++)
{
out->v[0] = (unsigned short)LittleShort(in->v[0]);
out->v[1] = (unsigned short)LittleShort(in->v[1]);
}
}
/*
=================