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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.
*/
// models.c -- model loading and caching
// models are the only shared resource between a client and server running
// on the same machine.
#include "quakedef.h"
#include "gl_md3.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);
byte mod_novis[MAX_MAP_LEAFS/8];
#define MAX_MOD_KNOWN 512
model_t mod_known[MAX_MOD_KNOWN];
int mod_numknown;
// Entar : can you guess what this qboolean is for?
qboolean hl_map;
cvar_t gl_subdivide_size = {"gl_subdivide_size", "128", true};
cvar_t halflifebsp = {"halflifebsp", "0"};
cvar_t ed_printtextures = {"ed_printtextures", "0", true};
//QMB :md2
void Mod_LoadQ2AliasModel (model_t *mod, void *buffer);
extern char *shaderScript;
/*
===============
Mod_Init
===============
*/
void Mod_Init (void)
{
Cvar_RegisterVariable (&halflifebsp);
Cvar_RegisterVariable (&gl_subdivide_size);
Cvar_RegisterVariable (&ed_printtextures);
memset (mod_novis, 0xff, sizeof(mod_novis));
}
/*
===============
Mod_Init
===============
*/
void Mod_Shutdown (void)
{
Mod_ClearAll();
mod_numknown = 0;
}
/*
===============
Mod_Init
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)
Sys_Error ("Mod_Extradata: caching failed");
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)
Sys_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)
{
static byte decompressed[MAX_MAP_LEAFS/8];
int c;
byte *out;
int row;
row = (model->numleafs+7)>>3;
out = decompressed;
if (!in)
{ // no vis info, so make all visible
while (row)
{
*out++ = 0xff;
row--;
}
return decompressed;
}
do
{
if (*in)
{
*out++ = *in++;
continue;
}
c = in[1];
in += 2;
while (c)
{
*out++ = 0;
c--;
}
} while (out - decompressed < row);
return decompressed;
}
/*
byte *Mod_LeafPVS (mleaf_t *leaf, model_t *model)
{
if (leaf == model->leafs)
return mod_novis;
return Mod_DecompressVis (leaf->compressed_vis, model);
}
*/
// mh - auto water trans begin
byte *Mod_LeafPVS (mleaf_t *leaf, model_t *model)
{
// leaf 0 is the solid leaf
if (leaf == model->leafs) return mod_novis;
// no visdata
if (!leaf->decompressed_vis) return mod_novis;
// return the decompressed vis
return leaf->decompressed_vis;
}
// mh - auto water trans end
// mh - auto water trans begin
void Mod_AddLeaftoPVS (model_t *mod, mleaf_t *targleaf, mleaf_t *addleaf)
{
int i;
if (!targleaf->decompressed_vis) return;
if (!addleaf->decompressed_vis) return;
for (i = 0; i < mod->vissize; i++)
{
targleaf->decompressed_vis[i] |= addleaf->decompressed_vis[i];
}
}
qboolean Mod_CompareSurfs (msurface_t *surf1, msurface_t *surf2)
{
glpoly_t *p1;
glpoly_t *p2;
// don't forget this!!!
if (surf1->surfNum == surf2->surfNum) return false;
// already matched (redundant check)
if (surf1->match) return false;
if (surf2->match) return false;
// it's always either one before or 1 after (qbsp quirk)
// both searches are going forward, so the logic here is sound. the first check of surf2
// will always be the one before surf1, the second check the one after.
if (surf1->surfNum > surf2->surfNum + 1) return false;
if (surf2->surfNum > surf1->surfNum + 1) return false;
// same texture (checked e2m3, it's OK)
if (surf1->texinfo->texture->gl_texturenum != surf2->texinfo->texture->gl_texturenum) return false;
// both must be turbulent (redundant check)
if (!((surf1->flags & SURF_DRAWTURB) && (surf2->flags & SURF_DRAWTURB))) return false;
// same number of polys
if (surf1->numPolys != surf2->numPolys) return false;
// we only need to check if each poly has the same number of verts here
// SURF_DRAWTURB surfs are already subdivided from the map load, so this is safe to do
for (p1 = surf1->polys, p2 = surf2->polys; p1; p1 = p1->next, p2 = p2->next)
if (p1->numverts != p1->numverts) return false;
return true;
}
void Mod_BruteForceSurfMatch (model_t *mod)
{
msurface_t *surf1;
msurface_t *surf2;
int i;
int j;
for (i = 0, surf1 = mod->surfaces; i < mod->numsurfaces; i++, surf1++)
{
// not liquid
if (!(surf1->flags & SURF_DRAWTURB)) continue;
// already matched
if (surf1->match) continue;
for (j = 0, surf2 = mod->surfaces; j < mod->numsurfaces; j++, surf2++)
{
// not liquid
if (!(surf2->flags & SURF_DRAWTURB)) continue;
// already matched
if (surf2->match) continue;
// try to match them
if (Mod_CompareSurfs (surf1, surf2))
{
// match in both directions
surf1->match = surf2;
surf2->match = surf1;
}
}
}
for (i = 0, surf1 = mod->surfaces; i < mod->numsurfaces; i++, surf1++)
{
if (!(surf1->flags & SURF_DRAWTURB)) continue;
if (surf1->match) continue;
Con_DPrintf ("Liquid surf %i with no match\n", i);
}
}
// mh - auto water trans end
// mh - auto water trans part 3 begin
void Mod_AddTransPVSForSurf (model_t *mod, msurface_t *msurf, mleaf_t *mleaf)
{
int i;
int j;
mleaf_t *leaf;
msurface_t **surf;
// now we need to find all leafs in the map that contain the matched surf
for (i = 1; i < mod->numleafs + 1; i++)
{
// get the leaf
leaf = &mod->leafs[i];
// not interested in these leafs
if (leaf->contents > CONTENTS_EMPTY) continue;
if (leaf->contents == CONTENTS_SOLID) continue;
if (leaf->contents <= CONTENTS_SKY) continue; //SKY and ORIGIN and CLIP
//if (leaf->contents == CONTENTS_ORIGIN) continue;
//if (leaf->contents == CONTENTS_CLIP) continue;
// must be different contents to the original leaf
if (leaf->contents == mleaf->contents) continue;
// no visibility
if (!leaf->decompressed_vis) continue;
// check marksurfaces for the match
surf = leaf->firstmarksurface;
for (j = 0; j < leaf->nummarksurfaces; j++, surf++)
{
// bad surf/texinfo/texture (some old maps have this from a bad qbsp)
if (!surf) continue;
if (!(*surf)) continue;
if (!(*surf)->texinfo) continue;
if (!(*surf)->texinfo->texture) continue;
// liquid only
if ((*surf)->texinfo->texture->name[0] != '*') continue;
// no reciprocal match
if (!(*surf)->match) continue;
// see do they match
if ((*surf) == msurf)
{
goto LeafOK;
}
}
// didn't find a match
continue;
LeafOK:;
// found a match. add this leaf's PVS to the original leaf. we have to continue
// checking leafs however as this surf may be shared between more than 1 leaf.
Mod_AddLeaftoPVS (mod, mleaf, leaf);
// also add the original leaf to this leaf
Mod_AddLeaftoPVS (mod, leaf, mleaf);
// set the visframe of both to -2 to indicate that they're already merged
leaf->visframe = -2;
mleaf->visframe = -2;
}
}
void Mod_SetAWT (model_t *mod)
{
int i;
int j;
int k;
mleaf_t *leaf;
byte *leafpvs = malloc ((mod->numleafs + 7) >> 3);
msurface_t **surf;
// use negative values so as not to conflict with runtime visibility checking
// -1 = initial value (because 0 is valid at runtime)
// -2 = leaf already merged
// -3 or lower = active visframes
r_visframecount = -3;
// go through all the leafs, ignoring leaf 0
for (i = 1; i < mod->numleafs + 1; i++)
{
// get the leaf
leaf = &mod->leafs[i];
// not interested in these leafs
if (leaf->contents > CONTENTS_EMPTY) continue;
if (leaf->contents == CONTENTS_SOLID) continue;
if (leaf->contents <= CONTENTS_SKY) continue;
//if (leaf->contents == CONTENTS_ORIGIN) continue;
//if (leaf->contents == CONTENTS_CLIP) continue;
// no visibility
if (!leaf->decompressed_vis) continue;
// get the leafs PVS. here we do a memcpy rather than a straight pointer assignment
// because we'll be modifying the original PVS, so we want a seperate copy to work on
memcpy (leafpvs, leaf->decompressed_vis, (mod->numleafs + 7) >> 3);
// already merged
if (leaf->visframe == -2) continue;
// see has the leaf pvs got any liquid in it
// this should be done as part of the original pvs check for whether the map already has
// translucent water in Mod_DetectWaterTrans, but i wanted to keep them seperate for the
// purposes of this tutorial.
for (j = 0; j < mod->numleafs; j++)
{
// in the PVS
if (leafpvs[j >> 3] & (1 << (j & 7)))
{
// get the leaf
mleaf_t *visleaf = &mod->leafs[j + 1];
surf = visleaf->firstmarksurface;
for (k = 0; k < visleaf->nummarksurfaces; k++, surf++)
{
// bad surf/texinfo/texture (some old maps have this from a bad qbsp)
if (!surf) continue;
if (!(*surf)) continue;
if (!(*surf)->texinfo) continue;
if (!(*surf)->texinfo->texture) continue;
// no match
if (!(*surf)->match) continue;
// texture isn't liquid
if ((*surf)->texinfo->texture->name[0] != '*') continue;
// already checked this pass (necessary because more than 1
// leaf may have this surf)
if ((*surf)->visframe == r_visframecount) continue;
// set surface visframe so it won't get checked again
(*surf)->visframe = r_visframecount;
// do the water trans bit. we're adding PVS to the original leaf
// so we must use that. pass in the matched surf
Mod_AddTransPVSForSurf (mod, (*surf)->match, leaf);
}
}
}
// decrement visframe count
r_visframecount--;
}
// release our memory
free (leafpvs);
}
// mh 17th july 2006 - merges the pvs for 2 leafs.
// this might duplicate code from elsewhere, i dunno. here it is again anyway...
void Mod_MergeLeafPVS (model_t *mod, mleaf_t *src, mleaf_t *dst)
{
int i;
// no pvs to merge!
if (!src->decompressed_vis) return;
if (!dst->decompressed_vis) return;
for (i = 0; i < (mod->numleafs >> 3); i++)
{
dst->decompressed_vis[i] |= src->decompressed_vis[i];
}
}
// mh 17th july 2006 - pick up orphaned leafs
void Mod_FinishAWT (model_t *mod)
{
int i;
int j;
mleaf_t *l;
// mleaf_t *l2;
for (i = 0; i < mod->numleafs; i++)
{
l = &mod->leafs[i];
if (!l || !l->decompressed_vis)
continue;
// deal with underwater leafs
if (l->contents == CONTENTS_WATER || l->contents == CONTENTS_SLIME || l->contents == CONTENTS_LAVA)
{
// we're underwater now, find all other underwater leafs in our current pvs and merge their pvs into the original
for (j = 0; j < mod->numleafs; j++)
if ((l->decompressed_vis[j >> 3] & (1 << (j & 7))) &&
(mod->leafs[j].contents == CONTENTS_WATER || mod->leafs[j].contents == CONTENTS_SLIME
|| mod->leafs[j].contents == CONTENTS_LAVA))
Mod_MergeLeafPVS (mod, &mod->leafs[j], l);
continue;
}
else if (l->contents == CONTENTS_EMPTY)
{
}
// not interested in any other contents type
}
}
/*
===================
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;
}
/*
==================
Mod_FindName
==================
*/
model_t *Mod_FindName (char *name)
{
int i;
model_t *mod;
if (!name[0])
Sys_Error ("Mod_ForName: 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)
Sys_Error ("mod_numknown == MAX_MOD_KNOWN");
memset(mod, 0, sizeof(*mod));
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
char strip[128];
char md2name[128];
char md3name[128];
if (!mod->needload)
{
if (mod->type == mod_alias)
{
d = Cache_Check (&mod->cache);
if (d)
return mod;
}
else
return mod; // not cached at all
}
#ifdef Q3MODELS
#if Q3MODELS && MULTIMDL //If a directory is passed in stead of a path, open it as a Q3Player.
c = COM_FileExtension(mod->name);
if(!c[0])
{
mod->needload = false;
Mod_LoadQ3MultiModel(mod);
return mod;
}
#endif
#endif
//
// load the file
//
COM_StripExtension(mod->name, &strip[0]);
sprintf (&md2name[0], "%s.md2", &strip[0]);
sprintf (&md3name[0], "%s.md3", &strip[0]);
buf = (unsigned *)COM_LoadStackFile (md3name, stackbuf, sizeof(stackbuf));
if (!buf){
buf = (unsigned *)COM_LoadStackFile (md2name, stackbuf, sizeof(stackbuf));
if (!buf){
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))
{
#ifdef Q3MODELS
case MD3IDHEADER:
Mod_LoadQ3Model (mod, buf);
break;
#endif
case MD2IDALIASHEADER:
Mod_LoadQ2AliasModel (mod, buf);
break;
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
===============================================================================
*/
byte *mod_base;
qboolean Img_HasFullbrights (byte *pixels, int size) {
int i;
for (i = 0; i < size; i++)
if (pixels[i] >= 224)
return true;
return false;
}
/*
=================
Mod_LoadTextures
=================
*/
void Mod_LoadTextures (lump_t *l)
{
extern cvar_t gl_24bitmaptex;
int i, j, pixels, num, max, altmax;
char *c;
char pathName[64], mapname[MAX_QPATH];
miptex_t *mt;
texture_t *tx, *tx2;
texture_t *anims[10];
texture_t *altanims[10];
dmiptexlump_t *m;
// Tomaz || TGA Begin
char texname[64],texnamefb[64],texnamefbluma[64];
// Tomaz || TGA End
if (!l->filelen)
{
loadmodel->textures = NULL;
return;
}
m = (dmiptexlump_t *)(mod_base + l->fileofs);
m->nummiptex = LittleLong (m->nummiptex);
loadmodel->numtextures = m->nummiptex;
loadmodel->textures = Hunk_AllocName (m->nummiptex * sizeof(*loadmodel->textures) , loadname);
c = loadmodel->name;
if (!strncasecmp(c, "maps/", 5))
c += 5;
COM_StripExtension(c, &mapname);
for (i=0 ; i<m->nummiptex ; i++)
{
m->dataofs[i] = LittleLong(m->dataofs[i]);
if (m->dataofs[i] == -1)
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]);
if ( (mt->width & 15) || (mt->height & 15) )
Sys_Error ("Texture %s is not 16 aligned", mt->name);
pixels = mt->width*mt->height/64*85;
tx = Hunk_AllocName (sizeof(texture_t) +pixels, loadname );
loadmodel->textures[i] = tx;
memcpy (tx->name, mt->name, sizeof(tx->name));
if (ed_printtextures.value)
Con_Printf("%s\n", tx->name);
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
if (!hl_map) // Entar : HACK
memcpy ( tx+1, mt+1, pixels);
if (!Q_strncmp(mt->name,"sky",3) || !Q_strncmp(mt->name,"SKY",3))
{
R_InitSky (tx);
}
else
{ // Fixed :)
texture_mode = GL_LINEAR_MIPMAP_LINEAR;
if (gl_24bitmaptex.value)
{
sprintf (texname, "textures/%s/%s", mapname, mt->name);
tx->gl_texturenum = GL_LoadTexImage (texname, false, true);
if (tx->gl_texturenum == 0)
{
sprintf (texname, "textures/%s", mt->name);
tx->gl_texturenum = GL_LoadTexImage (texname, false, true);
sprintf (pathName, "textures");
}
else // worked the first time
sprintf (pathName, "textures/%s", mapname);
sprintf (texnamefb, "%s/%s_glow", pathName, mt->name);
//if there is a 24bit texture, check for a fullbright
if (tx->gl_texturenum != 0)
{
sprintf (texnamefbluma, "%s/%s_luma", pathName, mt->name);
tx->gl_fullbright = GL_LoadTexImage (texnamefbluma, false, true);
sprintf (texnamefbluma, "%s/%s_gloss", pathName, mt->name);
tx->gl_gloss = GL_LoadTexImage (texnamefbluma, false, true);
/*if (tx->gl_fullbright == 0){ //no texture _glow
sprintf (texnamefb, "textures/%s_glow", mt->name);
tx->gl_fullbright = GL_LoadTexImage (texnamefb, false, true);
}*/
}else{
tx->gl_fullbright = 0;
}
}
if (tx->gl_texturenum == 0) // No Matching Texture
{
tx->gl_texturenum = GL_LoadTexture (mt->name, tx->width, tx->height, (byte *)(tx+1), true, false ,1);
//check if there is a fullbright for the defualt
//no need for if, only get here if no 24bits were loaded
//if (tx->gl_fullbright == 0){ // No Matching Fullbright Texture
if (Img_HasFullbrights((byte *)(tx+1), tx->width*tx->height)){
tx->gl_fullbright = GL_LoadTexture (texnamefb, tx->width, tx->height, (byte *)(tx+1), true, 2 ,1);
}else{
tx->gl_fullbright = 0;
}
//}
}
texture_mode = GL_LINEAR;
}
}
//
// sequence the animations
//
for (i=0 ; i<m->nummiptex ; i++)
{
tx = loadmodel->textures[i];
if (!tx || tx->name[0] != '+')
continue;
if (tx->anim_next)
continue; // allready sequenced
// find the number of frames in the animation
memset (anims, 0, sizeof(anims));
memset (altanims, 0, sizeof(altanims));
max = tx->name[1];
altmax = 0;
if (max >= 'a' && max <= 'z')
max -= 'a' - 'A';
if (max >= '0' && max <= '9')
{
max -= '0';
altmax = 0;
anims[max] = tx;
max++;
}
else if (max >= 'A' && max <= 'J')
{
altmax = max - 'A';
max = 0;
altanims[altmax] = tx;
altmax++;
}
else
Sys_Error ("Bad animating texture %s", tx->name);
for (j=i+1 ; j<m->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 > max)
max = num + 1;
}
else if (num >= 'A' && num <= 'J')
{
num = num - 'A';
altanims[num] = tx2;
if (num+1 > altmax)
altmax = num+1;
}
else
Sys_Error ("Bad animating texture %s", tx->name);
}
#define ANIM_CYCLE 2
// link them all together
for (j=0 ; j<max ; j++)
{
tx2 = anims[j];
if (!tx2)
Sys_Error ("Missing frame %i of %s",j, tx->name);
tx2->anim_total = max * ANIM_CYCLE;
tx2->anim_min = j * ANIM_CYCLE;
tx2->anim_max = (j+1) * ANIM_CYCLE;
tx2->anim_next = anims[ (j+1)%max ];
if (altmax)
tx2->alternate_anims = altanims[0];
}
for (j=0 ; j<altmax ; j++)
{
tx2 = altanims[j];
if (!tx2)
Sys_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 (max)
tx2->alternate_anims = anims[0];
}
}
}
extern int image_width;
extern int image_height;
/*
=================
Mod_LoadHLTextures
=================
*/
// disabled as of yet - doesn't work properly.
void Mod_LoadHLTextures (lump_t *l)
{/*
int i, j, num, max, altmax;
miptex_t *mt;
texture_t *tx, *tx2;
texture_t *anims[10];
texture_t *altanims[10];
dmiptexlump_t *m;
byte *data;
int *dofs;
char texname[64];
qboolean fullbrights = false;
if (!l->filelen)
{
loadmodel->textures = NULL;
return;
}
m = (dmiptexlump_t *)(mod_base + l->fileofs);
m->nummiptex = LittleLong (m->nummiptex);
loadmodel->numtextures = m->nummiptex;
loadmodel->textures = Hunk_AllocName (m->nummiptex * sizeof(*loadmodel->textures) , loadname);
dofs = m->dataofs;
for (i=0 ; i<m->nummiptex ; i++)
{
dofs[i] = LittleLong(dofs[i]);
if (dofs[i] == -1)
continue;
mt = (miptex_t *)((byte *)m + dofs[i]);
mt->width = LittleLong (mt->width);
mt->height = LittleLong (mt->height);
for (j=0 ; j<MIPLEVELS ; j++)
mt->offsets[j] = LittleLong (mt->offsets[j]);
if ( (mt->width & 15) || (mt->height & 15) )
Host_Error ("Texture %s is not 16 aligned", mt->name);
tx = Hunk_AllocName (sizeof(texture_t), loadname );
loadmodel->textures[i] = tx;
for (j = 0;mt->name[j] && j < 15;j++)
{
if (mt->name[j] >= 'A' && mt->name[j] <= 'Z')
tx->name[j] = mt->name[j] + ('a' - 'A');
else
tx->name[j] = mt->name[j];
}
for (;j < 16;j++)
tx->name[j] = 0;
tx->width = mt->width;
tx->height = mt->height;
for (j=0 ; j<MIPLEVELS ; j++)
tx->offsets[j] = 0;