mirror of
https://git.code.sf.net/p/quake/newtree
synced 2024-11-10 23:02:16 +00:00
af032b8d55
split up the headerfiles and such. common.[ch] and qwsvdef.h no longer exist. More work still needs to be done (esp for windows) but this should be a major improvement.
1222 lines
25 KiB
C
1222 lines
25 KiB
C
/*
|
|
model.c
|
|
|
|
(description)
|
|
|
|
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:
|
|
|
|
Free Software Foundation, Inc.
|
|
59 Temple Place - Suite 330
|
|
Boston, MA 02111-1307, USA
|
|
|
|
$Id$
|
|
*/
|
|
// models.c -- model loading and caching
|
|
|
|
// models are the only shared resource between a client and server running
|
|
// on the same machine.
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
# include <config.h>
|
|
#endif
|
|
#include "model.h"
|
|
#include "quakefs.h"
|
|
#include "qendian.h"
|
|
#include "checksum.h"
|
|
|
|
#include <math.h>
|
|
#include <string.h>
|
|
|
|
void SV_Error (char *error, ...);
|
|
|
|
extern int texture_mode;
|
|
|
|
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);
|
|
void R_InitSky(struct texture_s *mt);
|
|
void GL_SubdivideSurface (msurface_t *fa);
|
|
void Mod_LoadMMNearest(miptex_t *mx, texture_t *tx);
|
|
|
|
byte mod_novis[MAX_MAP_LEAFS/8];
|
|
|
|
#define MAX_MOD_KNOWN 512
|
|
model_t mod_known[MAX_MOD_KNOWN];
|
|
int mod_numknown;
|
|
|
|
unsigned *model_checksum;
|
|
texture_t *r_notexture_mip;
|
|
/* cvar_t gl_subdivide_size = {"gl_subdivide_size", "128", true};
|
|
CVAR_FIXME */
|
|
cvar_t *gl_subdivide_size;
|
|
|
|
/*
|
|
===============
|
|
Mod_Init
|
|
===============
|
|
*/
|
|
void Mod_Init (void)
|
|
{
|
|
/* Cvar_RegisterVariable (&gl_subdivide_size);
|
|
CVAR_FIXME */
|
|
gl_subdivide_size = Cvar_Get("gl_subdivide_size", "128", CVAR_ARCHIVE, "None");
|
|
memset (mod_novis, 0xff, sizeof(mod_novis));
|
|
}
|
|
|
|
/*
|
|
===============
|
|
Mod_PointInLeaf
|
|
===============
|
|
*/
|
|
mleaf_t *Mod_PointInLeaf (vec3_t p, model_t *model)
|
|
{
|
|
mnode_t *node;
|
|
float d;
|
|
mplane_t *plane;
|
|
|
|
if (!model || !model->nodes)
|
|
SV_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 0
|
|
memcpy (out, in, row);
|
|
#else
|
|
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);
|
|
#endif
|
|
|
|
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);
|
|
}
|
|
|
|
/*
|
|
===================
|
|
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])
|
|
SV_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)
|
|
SV_Error ("mod_numknown == MAX_MOD_KNOWN");
|
|
strcpy (mod->name, name);
|
|
mod->needload = true;
|
|
mod_numknown++;
|
|
}
|
|
|
|
return mod;
|
|
}
|
|
|
|
/*
|
|
==================
|
|
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
|
|
}
|
|
|
|
//
|
|
// load the file
|
|
//
|
|
buf = (unsigned *)COM_LoadStackFile (mod->name, stackbuf, sizeof(stackbuf));
|
|
if (!buf)
|
|
{
|
|
if (crash)
|
|
SV_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;
|
|
|
|
mod = Mod_FindName (name);
|
|
|
|
return Mod_LoadModel (mod, crash);
|
|
}
|
|
|
|
|
|
/*
|
|
===============================================================================
|
|
|
|
BRUSHMODEL LOADING
|
|
|
|
===============================================================================
|
|
*/
|
|
|
|
byte *mod_base;
|
|
|
|
|
|
/*
|
|
=================
|
|
Mod_LoadTextures
|
|
=================
|
|
*/
|
|
void Mod_LoadTextures (lump_t *l)
|
|
{
|
|
int i, j, pixels, num, max, altmax;
|
|
miptex_t *mt;
|
|
texture_t *tx, *tx2;
|
|
texture_t *anims[10];
|
|
texture_t *altanims[10];
|
|
dmiptexlump_t *m;
|
|
|
|
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);
|
|
|
|
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) )
|
|
SV_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));
|
|
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);
|
|
|
|
if (!strncmp(mt->name,"sky",3))
|
|
R_InitSky (tx);
|
|
else
|
|
{
|
|
Mod_LoadMMNearest(mt, tx);
|
|
}
|
|
}
|
|
|
|
//
|
|
// 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
|
|
SV_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
|
|
SV_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)
|
|
SV_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)
|
|
SV_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];
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
=================
|
|
Mod_LoadLighting
|
|
=================
|
|
*/
|
|
void Mod_LoadLighting (lump_t *l)
|
|
{
|
|
if (!l->filelen)
|
|
{
|
|
loadmodel->lightdata = NULL;
|
|
return;
|
|
}
|
|
loadmodel->lightdata = Hunk_AllocName ( l->filelen, loadname);
|
|
memcpy (loadmodel->lightdata, mod_base + l->fileofs, l->filelen);
|
|
}
|
|
|
|
|
|
/*
|
|
=================
|
|
Mod_LoadVisibility
|
|
=================
|
|
*/
|
|
void Mod_LoadVisibility (lump_t *l)
|
|
{
|
|
if (!l->filelen)
|
|
{
|
|
loadmodel->visdata = NULL;
|
|
return;
|
|
}
|
|
loadmodel->visdata = Hunk_AllocName ( l->filelen, loadname);
|
|
memcpy (loadmodel->visdata, mod_base + l->fileofs, l->filelen);
|
|
}
|
|
|
|
|
|
/*
|
|
=================
|
|
Mod_LoadEntities
|
|
=================
|
|
*/
|
|
void Mod_LoadEntities (lump_t *l)
|
|
{
|
|
if (!l->filelen)
|
|
{
|
|
loadmodel->entities = NULL;
|
|
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))
|
|
SV_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
|
|
count = l->filelen / sizeof(*in);
|
|
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))
|
|
SV_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
|
|
count = l->filelen / sizeof(*in);
|
|
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);
|
|
}
|
|
}
|
|
|
|
/*
|
|
=================
|
|
Mod_LoadEdges
|
|
=================
|
|
*/
|
|
void Mod_LoadEdges (lump_t *l)
|
|
{
|
|
dedge_t *in;
|
|
medge_t *out;
|
|
int i, count;
|
|
|
|
in = (void *)(mod_base + l->fileofs);
|
|
if (l->filelen % sizeof(*in))
|
|
SV_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
|
|
count = l->filelen / sizeof(*in);
|
|
out = Hunk_AllocName ( (count + 1) * 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]);
|
|
}
|
|
}
|
|
|
|
/*
|
|
=================
|
|
Mod_LoadTexinfo
|
|
=================
|
|
*/
|
|
void Mod_LoadTexinfo (lump_t *l)
|
|
{
|
|
texinfo_t *in;
|
|
mtexinfo_t *out;
|
|
int i, j, count;
|
|
int miptex;
|
|
float len1, len2;
|
|
|
|
in = (void *)(mod_base + l->fileofs);
|
|
if (l->filelen % sizeof(*in))
|
|
SV_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
|
|
count = l->filelen / sizeof(*in);
|
|
out = Hunk_AllocName ( count*sizeof(*out), loadname);
|
|
|
|
loadmodel->texinfo = out;
|
|
loadmodel->numtexinfo = count;
|
|
|
|
for ( i=0 ; i<count ; i++, in++, out++)
|
|
{
|
|
for (j=0 ; j<4 ; j++) {
|
|
out->vecs[0][j] = LittleFloat (in->vecs[0][j]);
|
|
out->vecs[1][j] = LittleFloat (in->vecs[1][j]);
|
|
}
|
|
len1 = Length (out->vecs[0]);
|
|
len2 = Length (out->vecs[1]);
|
|
|
|
len1 = (len1 + len2)/2;
|
|
if (len1 < 0.32)
|
|
out->mipadjust = 4;
|
|
else if (len1 < 0.49)
|
|
out->mipadjust = 3;
|
|
else if (len1 < 0.99)
|
|
out->mipadjust = 2;
|
|
else
|
|
out->mipadjust = 1;
|
|
|
|
miptex = LittleLong (in->miptex);
|
|
out->flags = LittleLong (in->flags);
|
|
|
|
if (!loadmodel->textures)
|
|
{
|
|
out->texture = r_notexture_mip; // checkerboard texture
|
|
out->flags = 0;
|
|
}
|
|
else
|
|
{
|
|
if (miptex >= loadmodel->numtextures)
|
|
SV_Error ("miptex >= loadmodel->numtextures");
|
|
out->texture = loadmodel->textures[miptex];
|
|
if (!out->texture)
|
|
{
|
|
out->texture = r_notexture_mip; // texture not found
|
|
out->flags = 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
================
|
|
CalcSurfaceExtents
|
|
|
|
Fills in s->texturemins[] and s->extents[]
|
|
================
|
|
*/
|
|
void CalcSurfaceExtents (msurface_t *s)
|
|
{
|
|
float mins[2], maxs[2], val;
|
|
int i,j, e;
|
|
mvertex_t *v;
|
|
mtexinfo_t *tex;
|
|
int bmins[2], bmaxs[2];
|
|
|
|
mins[0] = mins[1] = 999999;
|
|
maxs[0] = maxs[1] = -99999;
|
|
|
|
tex = s->texinfo;
|
|
|
|
for (i=0 ; i<s->numedges ; i++)
|
|
{
|
|
e = loadmodel->surfedges[s->firstedge+i];
|
|
if (e >= 0)
|
|
v = &loadmodel->vertexes[loadmodel->edges[e].v[0]];
|
|
else
|
|
v = &loadmodel->vertexes[loadmodel->edges[-e].v[1]];
|
|
|
|
for (j=0 ; j<2 ; j++)
|
|
{
|
|
val = v->position[0] * tex->vecs[j][0] +
|
|
v->position[1] * tex->vecs[j][1] +
|
|
v->position[2] * tex->vecs[j][2] +
|
|
tex->vecs[j][3];
|
|
if (val < mins[j])
|
|
mins[j] = val;
|
|
if (val > maxs[j])
|
|
maxs[j] = val;
|
|
}
|
|
}
|
|
|
|
for (i=0 ; i<2 ; i++)
|
|
{
|
|
bmins[i] = floor(mins[i]/16);
|
|
bmaxs[i] = ceil(maxs[i]/16);
|
|
|
|
s->texturemins[i] = bmins[i] * 16;
|
|
s->extents[i] = (bmaxs[i] - bmins[i]) * 16;
|
|
if ( !(tex->flags & TEX_SPECIAL) && s->extents[i] > 512 /* 256 */ )
|
|
SV_Error ("Bad surface extents");
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
=================
|
|
Mod_LoadFaces
|
|
=================
|
|
*/
|
|
void Mod_LoadFaces (lump_t *l)
|
|
{
|
|
dface_t *in;
|
|
msurface_t *out;
|
|
int i, count, surfnum;
|
|
int planenum, side;
|
|
|
|
in = (void *)(mod_base + l->fileofs);
|
|
if (l->filelen % sizeof(*in))
|
|
SV_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
|
|
count = l->filelen / sizeof(*in);
|
|
out = Hunk_AllocName ( count*sizeof(*out), loadname);
|
|
|
|
loadmodel->surfaces = out;
|
|
loadmodel->numsurfaces = count;
|
|
|
|
for ( surfnum=0 ; surfnum<count ; surfnum++, in++, out++)
|
|
{
|
|
out->firstedge = LittleLong(in->firstedge);
|
|
out->numedges = LittleShort(in->numedges);
|
|
out->flags = 0;
|
|
|
|
planenum = LittleShort(in->planenum);
|
|
side = LittleShort(in->side);
|
|
if (side)
|
|
out->flags |= SURF_PLANEBACK;
|
|
|
|
out->plane = loadmodel->planes + planenum;
|
|
|
|
out->texinfo = loadmodel->texinfo + LittleShort (in->texinfo);
|
|
|
|
CalcSurfaceExtents (out);
|
|
|
|
// lighting info
|
|
|
|
for (i=0 ; i<MAXLIGHTMAPS ; i++)
|
|
out->styles[i] = in->styles[i];
|
|
i = LittleLong(in->lightofs);
|
|
if (i == -1)
|
|
out->samples = NULL;
|
|
else
|
|
out->samples = loadmodel->lightdata + i;
|
|
|
|
// set the drawing flags flag
|
|
|
|
if (!strncmp(out->texinfo->texture->name,"sky",3)) // sky
|
|
{
|
|
out->flags |= (SURF_DRAWSKY | SURF_DRAWTILED);
|
|
#ifndef QUAKE2
|
|
GL_SubdivideSurface (out); // cut up polygon for warps
|
|
#endif
|
|
continue;
|
|
}
|
|
|
|
if (!strncmp(out->texinfo->texture->name,"*",1)) // turbulent
|
|
{
|
|
out->flags |= (SURF_DRAWTURB | SURF_DRAWTILED);
|
|
for (i=0 ; i<2 ; i++)
|
|
{
|
|
out->extents[i] = 16384;
|
|
out->texturemins[i] = -8192;
|
|
}
|
|
GL_SubdivideSurface (out); // cut up polygon for warps
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
=================
|
|
Mod_SetParent
|
|
=================
|
|
*/
|
|
void Mod_SetParent (mnode_t *node, mnode_t *parent)
|
|
{
|
|
node->parent = parent;
|
|
if (node->contents < 0)
|
|
return;
|
|
Mod_SetParent (node->children[0], node);
|
|
Mod_SetParent (node->children[1], node);
|
|
}
|
|
|
|
/*
|
|
=================
|
|
Mod_LoadNodes
|
|
=================
|
|
*/
|
|
void Mod_LoadNodes (lump_t *l)
|
|
{
|
|
int i, j, count, p;
|
|
dnode_t *in;
|
|
mnode_t *out;
|
|
|
|
in = (void *)(mod_base + l->fileofs);
|
|
if (l->filelen % sizeof(*in))
|
|
SV_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
|
|
count = l->filelen / sizeof(*in);
|
|
out = Hunk_AllocName ( count*sizeof(*out), loadname);
|
|
|
|
loadmodel->nodes = out;
|
|
loadmodel->numnodes = count;
|
|
|
|
for ( i=0 ; i<count ; i++, in++, out++)
|
|
{
|
|
for (j=0 ; j<3 ; j++)
|
|
{
|
|
out->minmaxs[j] = LittleShort (in->mins[j]);
|
|
out->minmaxs[3+j] = LittleShort (in->maxs[j]);
|
|
}
|
|
|
|
p = LittleLong(in->planenum);
|
|
out->plane = loadmodel->planes + p;
|
|
|
|
out->firstsurface = LittleShort (in->firstface);
|
|
out->numsurfaces = LittleShort (in->numfaces);
|
|
|
|
for (j=0 ; j<2 ; j++)
|
|
{
|
|
p = LittleShort (in->children[j]);
|
|
if (p >= 0)
|
|
out->children[j] = loadmodel->nodes + p;
|
|
else
|
|
out->children[j] = (mnode_t *)(loadmodel->leafs + (-1 - p));
|
|
}
|
|
}
|
|
|
|
Mod_SetParent (loadmodel->nodes, NULL); // sets nodes and leafs
|
|
}
|
|
|
|
/*
|
|
=================
|
|
Mod_LoadLeafs
|
|
=================
|
|
*/
|
|
void Mod_LoadLeafs (lump_t *l)
|
|
{
|
|
dleaf_t *in;
|
|
mleaf_t *out;
|
|
int i, j, count, p;
|
|
//char s[80];
|
|
qboolean isnotmap = true;
|
|
|
|
in = (void *)(mod_base + l->fileofs);
|
|
if (l->filelen % sizeof(*in))
|
|
SV_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
|
|
count = l->filelen / sizeof(*in);
|
|
out = Hunk_AllocName ( count*sizeof(*out), loadname);
|
|
|
|
loadmodel->leafs = out;
|
|
loadmodel->numleafs = count;
|
|
//sprintf(s, "maps/%s.bsp", Info_ValueForKey(cl.serverinfo,"map"));
|
|
if (!strncmp("maps/", loadmodel->name,5))
|
|
isnotmap = false;
|
|
for ( i=0 ; i<count ; i++, in++, out++)
|
|
{
|
|
for (j=0 ; j<3 ; j++)
|
|
{
|
|
out->minmaxs[j] = LittleShort (in->mins[j]);
|
|
out->minmaxs[3+j] = LittleShort (in->maxs[j]);
|
|
}
|
|
|
|
p = LittleLong(in->contents);
|
|
out->contents = p;
|
|
|
|
out->firstmarksurface = loadmodel->marksurfaces +
|
|
LittleShort(in->firstmarksurface);
|
|
out->nummarksurfaces = LittleShort(in->nummarksurfaces);
|
|
|
|
p = LittleLong(in->visofs);
|
|
if (p == -1)
|
|
out->compressed_vis = NULL;
|
|
else
|
|
out->compressed_vis = loadmodel->visdata + p;
|
|
out->efrags = NULL;
|
|
|
|
for (j=0 ; j<4 ; j++)
|
|
out->ambient_sound_level[j] = in->ambient_level[j];
|
|
|
|
// gl underwater warp
|
|
if (out->contents != CONTENTS_EMPTY)
|
|
{
|
|
for (j=0 ; j<out->nummarksurfaces ; j++)
|
|
out->firstmarksurface[j]->flags |= SURF_UNDERWATER;
|
|
}
|
|
if (isnotmap)
|
|
{
|
|
for (j=0 ; j<out->nummarksurfaces ; j++)
|
|
out->firstmarksurface[j]->flags |= SURF_DONTWARP;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
=================
|
|
Mod_LoadClipnodes
|
|
=================
|
|
*/
|
|
void Mod_LoadClipnodes (lump_t *l)
|
|
{
|
|
dclipnode_t *in, *out;
|
|
int i, count;
|
|
hull_t *hull;
|
|
|
|
in = (void *)(mod_base + l->fileofs);
|
|
if (l->filelen % sizeof(*in))
|
|
SV_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
|
|
count = l->filelen / sizeof(*in);
|
|
out = Hunk_AllocName ( count*sizeof(*out), loadname);
|
|
|
|
loadmodel->clipnodes = out;
|
|
loadmodel->numclipnodes = count;
|
|
|
|
hull = &loadmodel->hulls[1];
|
|
hull->clipnodes = out;
|
|
hull->firstclipnode = 0;
|
|
hull->lastclipnode = count-1;
|
|
hull->planes = loadmodel->planes;
|
|
hull->clip_mins[0] = -16;
|
|
hull->clip_mins[1] = -16;
|
|
hull->clip_mins[2] = -24;
|
|
hull->clip_maxs[0] = 16;
|
|
hull->clip_maxs[1] = 16;
|
|
hull->clip_maxs[2] = 32;
|
|
|
|
hull = &loadmodel->hulls[2];
|
|
hull->clipnodes = out;
|
|
hull->firstclipnode = 0;
|
|
hull->lastclipnode = count-1;
|
|
hull->planes = loadmodel->planes;
|
|
hull->clip_mins[0] = -32;
|
|
hull->clip_mins[1] = -32;
|
|
hull->clip_mins[2] = -24;
|
|
hull->clip_maxs[0] = 32;
|
|
hull->clip_maxs[1] = 32;
|
|
hull->clip_maxs[2] = 64;
|
|
|
|
for (i=0 ; i<count ; i++, out++, in++)
|
|
{
|
|
out->planenum = LittleLong(in->planenum);
|
|
out->children[0] = LittleShort(in->children[0]);
|
|
out->children[1] = LittleShort(in->children[1]);
|
|
}
|
|
}
|
|
|
|
/*
|
|
=================
|
|
Mod_MakeHull0
|
|
|
|
Deplicate the drawing hull structure as a clipping hull
|
|
=================
|
|
*/
|
|
void Mod_MakeHull0 (void)
|
|
{
|
|
mnode_t *in, *child;
|
|
dclipnode_t *out;
|
|
int i, j, count;
|
|
hull_t *hull;
|
|
|
|
hull = &loadmodel->hulls[0];
|
|
|
|
in = loadmodel->nodes;
|
|
count = loadmodel->numnodes;
|
|
out = Hunk_AllocName ( count*sizeof(*out), loadname);
|
|
|
|
hull->clipnodes = out;
|
|
hull->firstclipnode = 0;
|
|
hull->lastclipnode = count-1;
|
|
hull->planes = loadmodel->planes;
|
|
|
|
for (i=0 ; i<count ; i++, out++, in++)
|
|
{
|
|
out->planenum = in->plane - loadmodel->planes;
|
|
for (j=0 ; j<2 ; j++)
|
|
{
|
|
child = in->children[j];
|
|
if (child->contents < 0)
|
|
out->children[j] = child->contents;
|
|
else
|
|
out->children[j] = child - loadmodel->nodes;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
=================
|
|
Mod_LoadMarksurfaces
|
|
=================
|
|
*/
|
|
void Mod_LoadMarksurfaces (lump_t *l)
|
|
{
|
|
int i, j, count;
|
|
short *in;
|
|
msurface_t **out;
|
|
|
|
in = (void *)(mod_base + l->fileofs);
|
|
if (l->filelen % sizeof(*in))
|
|
SV_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
|
|
count = l->filelen / sizeof(*in);
|
|
out = Hunk_AllocName ( count*sizeof(*out), loadname);
|
|
|
|
loadmodel->marksurfaces = out;
|
|
loadmodel->nummarksurfaces = count;
|
|
|
|
for ( i=0 ; i<count ; i++)
|
|
{
|
|
j = LittleShort(in[i]);
|
|
if (j >= loadmodel->numsurfaces)
|
|
SV_Error ("Mod_ParseMarksurfaces: bad surface number");
|
|
out[i] = loadmodel->surfaces + j;
|
|
}
|
|
}
|
|
|
|
/*
|
|
=================
|
|
Mod_LoadSurfedges
|
|
=================
|
|
*/
|
|
void Mod_LoadSurfedges (lump_t *l)
|
|
{
|
|
int i, count;
|
|
int *in, *out;
|
|
|
|
in = (void *)(mod_base + l->fileofs);
|
|
if (l->filelen % sizeof(*in))
|
|
SV_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
|
|
count = l->filelen / sizeof(*in);
|
|
out = Hunk_AllocName ( count*sizeof(*out), loadname);
|
|
|
|
loadmodel->surfedges = out;
|
|
loadmodel->numsurfedges = count;
|
|
|
|
for ( i=0 ; i<count ; i++)
|
|
out[i] = LittleLong (in[i]);
|
|
}
|
|
|
|
/*
|
|
=================
|
|
Mod_LoadPlanes
|
|
=================
|
|
*/
|
|
void Mod_LoadPlanes (lump_t *l)
|
|
{
|
|
int i, j;
|
|
mplane_t *out;
|
|
dplane_t *in;
|
|
int count;
|
|
int bits;
|
|
|
|
in = (void *)(mod_base + l->fileofs);
|
|
if (l->filelen % sizeof(*in))
|
|
SV_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
|
|
count = l->filelen / sizeof(*in);
|
|
out = Hunk_AllocName ( count*2*sizeof(*out), loadname);
|
|
|
|
loadmodel->planes = out;
|
|
loadmodel->numplanes = count;
|
|
|
|
for ( i=0 ; i<count ; i++, in++, out++)
|
|
{
|
|
bits = 0;
|
|
for (j=0 ; j<3 ; j++)
|
|
{
|
|
out->normal[j] = LittleFloat (in->normal[j]);
|
|
if (out->normal[j] < 0)
|
|
bits |= 1<<j;
|
|
}
|
|
|
|
out->dist = LittleFloat (in->dist);
|
|
out->type = LittleLong (in->type);
|
|
out->signbits = bits;
|
|
}
|
|
}
|
|
|
|
/*
|
|
=================
|
|
RadiusFromBounds
|
|
=================
|
|
*/
|
|
float RadiusFromBounds (vec3_t mins, vec3_t maxs)
|
|
{
|
|
int i;
|
|
vec3_t corner;
|
|
|
|
for (i=0 ; i<3 ; i++)
|
|
{
|
|
corner[i] = fabs(mins[i]) > fabs(maxs[i]) ? fabs(mins[i]) : fabs(maxs[i]);
|
|
}
|
|
|
|
return Length (corner);
|
|
}
|
|
|
|
/*
|
|
=================
|
|
Mod_LoadBrushModel
|
|
=================
|
|
*/
|
|
void Mod_LoadBrushModel (model_t *mod, void *buffer)
|
|
{
|
|
int i, j;
|
|
dheader_t *header;
|
|
dmodel_t *bm;
|
|
|
|
loadmodel->type = mod_brush;
|
|
|
|
header = (dheader_t *)buffer;
|
|
|
|
i = LittleLong (header->version);
|
|
if (i != BSPVERSION)
|
|
SV_Error ("Mod_LoadBrushModel: %s has wrong version number (%i should be %i)", mod->name, i, BSPVERSION);
|
|
|
|
// swap all the lumps
|
|
mod_base = (byte *)header;
|
|
|
|
for (i=0 ; i<sizeof(dheader_t)/4 ; i++)
|
|
((int *)header)[i] = LittleLong ( ((int *)header)[i]);
|
|
|
|
// checksum all of the map, except for entities
|
|
mod->checksum = 0;
|
|
mod->checksum2 = 0;
|
|
|
|
for (i = 0; i < HEADER_LUMPS; i++) {
|
|
if (i == LUMP_ENTITIES)
|
|
continue;
|
|
mod->checksum ^= LittleLong(Com_BlockChecksum(mod_base + header->lumps[i].fileofs,
|
|
header->lumps[i].filelen));
|
|
|
|
if (i == LUMP_VISIBILITY || i == LUMP_LEAFS || i == LUMP_NODES)
|
|
continue;
|
|
mod->checksum2 ^= LittleLong(Com_BlockChecksum(mod_base + header->lumps[i].fileofs,
|
|
header->lumps[i].filelen));
|
|
}
|
|
|
|
// load into heap
|
|
|
|
Mod_LoadVertexes (&header->lumps[LUMP_VERTEXES]);
|
|
Mod_LoadEdges (&header->lumps[LUMP_EDGES]);
|
|
Mod_LoadSurfedges (&header->lumps[LUMP_SURFEDGES]);
|
|
Mod_LoadTextures (&header->lumps[LUMP_TEXTURES]);
|
|
Mod_LoadLighting (&header->lumps[LUMP_LIGHTING]);
|
|
Mod_LoadPlanes (&header->lumps[LUMP_PLANES]);
|
|
Mod_LoadTexinfo (&header->lumps[LUMP_TEXINFO]);
|
|
Mod_LoadFaces (&header->lumps[LUMP_FACES]);
|
|
Mod_LoadMarksurfaces (&header->lumps[LUMP_MARKSURFACES]);
|
|
Mod_LoadVisibility (&header->lumps[LUMP_VISIBILITY]);
|
|
Mod_LoadLeafs (&header->lumps[LUMP_LEAFS]);
|
|
Mod_LoadNodes (&header->lumps[LUMP_NODES]);
|
|
Mod_LoadClipnodes (&header->lumps[LUMP_CLIPNODES]);
|
|
Mod_LoadEntities (&header->lumps[LUMP_ENTITIES]);
|
|
Mod_LoadSubmodels (&header->lumps[LUMP_MODELS]);
|
|
|
|
Mod_MakeHull0 ();
|
|
|
|
mod->numframes = 2; // regular and alternate animation
|
|
|
|
//
|
|
// set up the submodels (FIXME: this is confusing)
|
|
//
|
|
for (i=0 ; i<mod->numsubmodels ; i++)
|
|
{
|
|
bm = &mod->submodels[i];
|
|
|
|
mod->hulls[0].firstclipnode = bm->headnode[0];
|
|
for (j=1 ; j<MAX_MAP_HULLS ; j++)
|
|
{
|
|
mod->hulls[j].firstclipnode = bm->headnode[j];
|
|
mod->hulls[j].lastclipnode = mod->numclipnodes-1;
|
|
}
|
|
|
|
mod->firstmodelsurface = bm->firstface;
|
|
mod->nummodelsurfaces = bm->numfaces;
|
|
|
|
VectorCopy (bm->maxs, mod->maxs);
|
|
VectorCopy (bm->mins, mod->mins);
|
|
|
|
mod->radius = RadiusFromBounds (mod->mins, mod->maxs);
|
|
|
|
mod->numleafs = bm->visleafs;
|
|
|
|
if (i < mod->numsubmodels-1)
|
|
{ // duplicate the basic information
|
|
char name[10];
|
|
|
|
sprintf (name, "*%i", i+1);
|
|
loadmodel = Mod_FindName (name);
|
|
*loadmodel = *mod;
|
|
strcpy (loadmodel->name, name);
|
|
mod = loadmodel;
|
|
}
|
|
}
|
|
}
|