fteqw/engine/sw/sw_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 "r_local.h"
model_t *loadmodel;
char loadname[32]; // for hunk tags
void SWMod_LoadSpriteModel (model_t *mod, void *buffer);
void SWMod_LoadSprite2Model (model_t *mod, void *buffer);
void SWMod_LoadBrushModel (model_t *mod, void *buffer);
void Mod_LoadQ2BrushModel (model_t *mod, void *buffer);
void SWMod_LoadAliasModel (model_t *mod, void *buffer);
void SWMod_LoadAlias2Model (model_t *mod, void *buffer);
void SWMod_LoadAlias3Model (model_t *mod, void *buffer);
model_t *SWMod_LoadModel (model_t *mod, qboolean crash);
int Mod_ReadFlagsFromMD1(char *name, int md3version);
qbyte mod_novis[MAX_MAP_LEAFS/8];
#define MAX_MOD_KNOWN 1024
model_t mod_known[MAX_MOD_KNOWN];
int mod_numknown;
#ifdef SERVERONLY
#define SWMod_FindName Mod_FindName
#define SWMod_ForName Mod_ForName
#define SWMod_LeafPVS Mod_LeafPVS
#define SWMod_PointInLeaf Mod_PointInLeaf
#define SWMod_ClearAll Mod_ClearAll
#define SWMod_Init Mod_Init
#endif
/*
===============
Mod_Init
===============
*/
void SWMod_Init (void)
{
mod_numknown = 0;
memset (mod_novis, 0xff, sizeof(mod_novis));
Cmd_RemoveCommand("mod_texturelist");
}
void SWMod_Think(void)
{
}
/*
===============
Mod_Init
Caches the data if needed
===============
*/
void *SWMod_Extradata (model_t *mod)
{
void *r;
r = Cache_Check (&mod->cache);
if (r)
return r;
SWMod_LoadModel (mod, true);
if (!mod->cache.data)
Sys_Error ("Mod_Extradata: caching failed");
return mod->cache.data;
}
/*
===============
Mod_PointInLeaf
===============
*/
int SWMod_LeafForPoint (vec3_t p, model_t *model)
{
mnode_t *node;
float d;
mplane_t *plane;
#ifdef Q2BSPS
if (model->fromgame == fg_quake2 || model->fromgame == fg_quake3)
{
return CM_PointLeafnum(p);
}
#endif
if (!model || !model->nodes)
Sys_Error ("Mod_PointInLeaf: bad model");
node = model->nodes;
while (1)
{
if (node->contents < 0)
return (mleaf_t *)node - model->leafs;
plane = node->plane;
d = DotProduct (p,plane->normal) - plane->dist;
if (d > 0)
node = node->children[0];
else
node = node->children[1];
}
return 0; // never reached
}
mleaf_t *SWMod_PointInLeaf (vec3_t p, model_t *model)
{
return model->leafs + SWMod_LeafForPoint(p, model);
}
/*
===================
Mod_DecompressVis
===================
*/
qbyte *SWMod_DecompressVis (qbyte *in, model_t *model, qbyte *decompressed)
{
int c;
qbyte *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;
}
qbyte *SWMod_LeafPVS (mleaf_t *leaf, model_t *model, qbyte *buffer)
{
static qbyte decompressed[MAX_MAP_LEAFS/8];
if (leaf == model->leafs)
return mod_novis;
if (!buffer)
buffer = decompressed;
return SWMod_DecompressVis (leaf->compressed_vis, model, buffer);
}
qbyte *SWMod_LeafnumPVS (int ln, model_t *model, qbyte *buffer)
{
return SWMod_LeafPVS(model->leafs + ln, model, buffer);
}
/*
===================
Mod_ClearAll
===================
*/
void SWMod_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 *SWMod_FindName (char *name)
{
int i;
model_t *mod;
// if (!name[0]) //this is allowed to happen for q2 cinematics. :(
// 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(model_t)); //clear the old model as the renderers use the same globals
strcpy (mod->name, name);
mod->needload = true;
mod_numknown++;
mod->particleeffect = -1;
mod->nodefaulttrail = false;
}
return mod;
}
/*
==================
Mod_TouchModel
==================
*/
void SWMod_TouchModel (char *name)
{
model_t *mod;
mod = SWMod_FindName (name);
if (!mod->needload)
{
if (mod->type == mod_alias)
Cache_Check (&mod->cache);
}
}
/*
==================
Mod_LoadModel
Loads a model into the cache
==================
*/
model_t *SWMod_LoadModel (model_t *mod, qboolean crash)
{
void *d;
unsigned *buf = NULL;
qbyte stackbuf[1024]; // avoid dirtying the cache heap
char *ext;
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 Q2BSPS
if (!*mod->name)
{
loadmodel = mod;
mod->needload = false;
Mod_LoadQ2BrushModel(mod, NULL);
P_DefaultTrail(mod);
return mod;
}
#endif
//
// because the world is so huge, load it one piece at a time
//
//look for a replacement
ext = COM_FileExtension(mod->name);
#ifndef CLIENTONLY
if (!isDedicated && (!Q_strcasecmp(ext, "mdl") || !Q_strcasecmp(ext, "bsp")))
{
char mdlbase[MAX_QPATH];
COM_StripExtension(mod->name, mdlbase);
if (!buf)
buf = (unsigned *)COM_LoadStackFile (va("%s.md3", mdlbase), stackbuf, sizeof(stackbuf));
if (!buf)
buf = (unsigned *)COM_LoadStackFile (va("%s.md2", mdlbase), stackbuf, sizeof(stackbuf));
}
#endif
if (!buf)
{
//
// 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);
mod->type = mod_dummy;
mod->mins[0] = -16;
mod->mins[1] = -16;
mod->mins[2] = -16;
mod->maxs[0] = 16;
mod->maxs[1] = 16;
mod->maxs[2] = 16;
mod->needload = true;
P_DefaultTrail(mod);
return mod;
return NULL;
}
}
//
// allocate a new model
//
COM_FileBase (mod->name, loadname);
loadmodel = mod;
#ifndef SERVERONLY
if (cl.model_precache[1]) //not the world.
Validation_IncludeFile(mod->name, (char *)buf, com_filesize);
#endif
//
// fill it in
//
// call the apropriate loader
mod->needload = false;
switch (LittleLong(*(unsigned *)buf))
{
#ifndef SERVERONLY
case IDPOLYHEADER:
SWMod_LoadAliasModel (mod, buf);
break;
case MD2IDALIASHEADER:
SWMod_LoadAlias2Model (mod, buf);
break;
case MD3_IDENT:
SWMod_LoadAlias3Model (mod, buf);
break;
case IDSPRITEHEADER:
SWMod_LoadSpriteModel (mod, buf);
break;
case IDSPRITE2HEADER:
SWMod_LoadSprite2Model (mod, buf);
break;
#endif
#ifdef Q2BSPS
case IDBSPHEADER: //looks like id switched to have proper ids
Mod_LoadQ2BrushModel (mod, buf);
break;
#endif
case BSPVERSIONHL:
case BSPVERSION: //hmm.
case BSPVERSIONPREREL:
SWMod_LoadBrushModel (mod, buf);
break;
default: //some telejano mods can do this
if (crash)
Sys_Error ("Mod_NumForName: %s not found", mod->name);
mod->type = mod_dummy;
mod->mins[0] = -16;
mod->mins[1] = -16;
mod->mins[2] = -16;
mod->maxs[0] = 16;
mod->maxs[1] = 16;
mod->maxs[2] = 16;
mod->needload = true;
P_DefaultTrail(mod);
return mod;
}
P_DefaultTrail(mod);
return mod;
}
/*
==================
Mod_ForName
Loads in a model for the given name
==================
*/
model_t *SWMod_ForName (char *name, qboolean crash)
{
model_t *mod;
mod = SWMod_FindName (name);
return SWMod_LoadModel (mod, crash);
}
/*
===============================================================================
BRUSHMODEL LOADING
===============================================================================
*/
qbyte *mod_base;
/*
=================
Mod_LoadTextures
=================
*/
#ifndef SERVERONLY
void SWMod_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 *)((qbyte *)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);
if (!mt->offsets[0]) //external hl texture.
{
int pb;
if (r_usinglits) //allocate enough mem
pb = 4;
else
pb = 1;
pixels = mt->width*pb*mt->height/64*85;
tx = Hunk_AllocName (sizeof(texture_t) +pixels, mt->name ); //allocate enough to cover it.
tx->pixbytes = pb;
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] = 0;//mt->offsets[j] + sizeof(texture_t) - sizeof(miptex_t);
// the pixels immediately follow the structures
memset ( tx+1, 7, pixels); //set it all to 7 for no particular reason.
R_AddBulleten(tx);
continue;
}
else if (loadmodel->fromgame == fg_halflife) //internal hl texture
{
qboolean alphaed;
int pb;
if (r_usinglits) //allocate enough mem
pb = 4;
else
pb = 1;
pixels = (mt->width*pb*mt->height)*85/64;
tx = Hunk_AllocName (sizeof(texture_t) +pixels, loadname );
tx->pixbytes = pb;
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(miptex_t))*4 + sizeof(texture_t);
// the pixels immediately follow the structures
if (pb == 4)
{
memcpy ( tx+1, W_ConvertWAD3Texture(mt, &mt->width, &mt->height, &alphaed), pixels);
}
else
{ //need to convert it down
int k;
qbyte *in;
qbyte *out;
out = (qbyte *)(tx+1);
in = W_ConvertWAD3Texture(mt, &mt->width, &mt->height, &alphaed);
tx->offsets[0] = (char *)out - (char *)tx;
for (j = 0; j < mt->width*mt->height; j++, in+=4)
{
if (in[3] == 0)
*out++ = 255;
else
*out++ = GetPalette(in[0], in[1], in[2]);
}
in = out-mt->width*mt->height; //shrink mips.
tx->offsets[1] = (char *)out - (char *)tx;
for (j = 0; j < tx->height; j+=2) //we could convert mip[1], but shrinking is probably faster.
for (k = 0; k < tx->width; k+=2)
*out++ = in[k + tx->width*j];
tx->offsets[2] = (char *)out - (char *)tx;
for (j = 0; j < tx->height; j+=4)
for (k = 0; k < tx->width; k+=4)
*out++ = in[k + tx->width*j];
tx->offsets[3] = (char *)out - (char *)tx;
for (j = 0; j < tx->height; j+=8)
for (k = 0; k < tx->width; k+=8)
*out++ = in[k + tx->width*j];
}
// if (!Q_strncmp(mt->name,"sky",3))
// R_InitSky (tx);
#ifdef PEXT_BULLETENS
// else
R_AddBulleten(tx);
#endif
continue;
}
//internal 8bit texture
pixels = mt->width*mt->height/64*85;
tx = Hunk_AllocName (sizeof(texture_t) +pixels, loadname );
tx->pixbytes = 1;
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 (!Q_strncmp(mt->name,"sky",3))
R_InitSky (tx);
#ifdef PEXT_BULLETENS
else R_AddBulleten(tx);
#endif
}
//
// 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];
}
}
}
void SWMod_NowLoadExternal(void)
{
int i, j, m, x, y;
texture_t *tx;
qbyte *in;
qbyte *out;
qboolean alphaed;
unsigned int *out32;
int width;
int height;
int t;
for (t=0 ; t<loadmodel->numtextures ; t++)
{
tx = loadmodel->textures[t];
if (tx && !tx->offsets[0])
{
in = W_GetTexture(tx->name, &width, &height, &alphaed);
i=0;
tx->offsets[0] = sizeof(texture_t);
tx->offsets[1] = tx->offsets[0] + tx->width*tx->pixbytes*tx->height;
tx->offsets[2] = tx->offsets[1] + (tx->width*tx->pixbytes*tx->height)/4;
tx->offsets[3] = tx->offsets[2] + (tx->width*tx->pixbytes*tx->height)/16;
if (!in)
{
if (tx->pixbytes == 4)
{
// out32 = (unsigned int *)((qbyte *)tx+tx->offsets[0]);
// memset(out32, 255, tx->width*tx->pixbytes*tx->height*85/64);
for (m=0 ; m<4 ; m++)
{
out32 = (int *)((qbyte *)tx + tx->offsets[m]);
for (y=0 ; y< (tx->height>>m) ; y++)
for (x=0 ; x< (tx->width>>m) ; x++)
{
if ((y/2+x/2)&1)
*out32++ = 0;
else if (y/2&1&&x/2&1)
*out32++ = 0x00007700;
else
*out32++ = 0x00000077;
}
}
}
else
{
// out = (qbyte *)tx+tx->offsets[0];
// memset(out32, 15, tx->width*tx->height*85/64); //usually white, anyway...
for (m=0 ; m<4 ; m++)
{
out = (qbyte *)tx + tx->offsets[m];
for (y=0 ; y< (tx->height>>m) ; y++)
for (x=0 ; x< (tx->width>>m) ; x++)
{
if ((y+x)&1)
*out++ = 0;
else
*out++ = 0xff;
}
}
}
continue; //bother.
}
if (tx->pixbytes == 4)
{
out32 = (unsigned int *)((qbyte *)tx+tx->offsets[0]);
memcpy(out32, in, tx->width*tx->pixbytes*tx->height*85/64);
}
else
{
out = (qbyte *)tx+tx->offsets[0];
for (i=0; i < tx->width*tx->height; i++) //downgrade colour
{
if (in[3] == 0)
*out++ = 255;
else
*out++ = GetPalette(in[0], in[1], in[2]);
in += 4;
}
in = (qbyte *)tx+tx->offsets[0]; //shrink mips.
for (j = 0; j < tx->height; j+=2) //we could convert mip[1], but shrinking is probably faster.
for (i = 0; i < tx->width; i+=2)
*out++ = in[i + tx->width*j];
for (j = 0; j < tx->height; j+=4)
for (i = 0; i < tx->width; i+=4)
*out++ = in[i + tx->width*j];
for (j = 0; j < tx->height; j+=8)
for (i = 0; i < tx->width; i+=8)
*out++ = in[i + tx->width*j];
}
}
}
}
/*
=================
Mod_LoadLighting
=================
*/
void SWMod_LoadLighting (lump_t *l)
{
extern cvar_t r_loadlits;
if (!l->filelen)
{
loadmodel->lightdata = NULL;
return;
}
if (r_pixbytes == 4) //using 24 bit lighting
{
r_usinglits = true;
if (r_loadlits.value && r_usinglits)
{
char litname[MAX_QPATH];
qbyte *litdata = NULL;
if (!litdata)
{
strcpy(litname, loadmodel->name);
COM_StripExtension(loadmodel->name, litname);
COM_DefaultExtension(litname, ".lit");
litdata = COM_LoadHunkFile(litname);
}
if (!litdata)
{
strcpy(litname, "lits/");
COM_StripExtension(COM_SkipPath(loadmodel->name), litname+5);
strcat(litname, ".lit");
litdata = COM_LoadHunkFile(litname);
}
if (litdata)
{
if (l->filelen != (com_filesize-8)/3)
Con_Printf("lit \"%s\" doesn't match level. Ignored.\n", litname);
else if (litdata[0] == 'Q' && litdata[1] == 'L' && litdata[2] == 'I' && litdata[3] == 'T')
{
if (LittleLong(*(int *)&litdata[4]) == 1)
{
float prop;
int i;
qbyte *normal;
// qbyte max;
loadmodel->lightdata = litdata+8;
//now some cheat protection.
normal = mod_base + l->fileofs;
litdata = loadmodel->lightdata;
for (i = 0; i < l->filelen; i++) //force it to the same intensity. (or less, depending on how you see it...)
{
#define m(a, b, c) (a>(b>c?b:c)?a:(b>c?b:c))
prop = *normal / (float)m(litdata[0], litdata[1], litdata[2]);
litdata[0] *= prop;
litdata[1] *= prop;
litdata[2] *= prop;
normal++;
litdata+=3;
}
//end anti-cheat
return;
}
else
Con_Printf("\"%s\" isn't a standard version 1 lit\n", litname);
}
else
Con_Printf("lit \"%s\" isn't a lit\n", litname);
}
}
if (loadmodel->fromgame == fg_halflife || loadmodel->fromgame == fg_quake2 || loadmodel->fromgame == fg_quake3) //half-life levels use 24 bit anyway.
{
loadmodel->lightdata = Hunk_AllocName ( l->filelen, loadname);
memcpy (loadmodel->lightdata, mod_base + l->fileofs, l->filelen);
}
else if (!r_usinglits)
{
loadmodel->lightdata = Hunk_AllocName ( l->filelen, loadname);
memcpy (loadmodel->lightdata, mod_base + l->fileofs, l->filelen);
}
else
{ //expand to 24 bit
int i;
qbyte *dest, *src = mod_base + l->fileofs;
loadmodel->lightdata = Hunk_AllocName ( l->filelen*3, loadname);
dest = loadmodel->lightdata;
for (i = 0; i<l->filelen; i++)
{
dest[0] = *src;
dest[1] = *src;
dest[2] = *src;
src++;
dest+=3;
}
}
if (r_lightmap_saturation.value != 1.0f)
SaturateR8G8B8(loadmodel->lightdata, l->filelen, r_lightmap_saturation.value);
}
else
{
r_usinglits = false;
if (loadmodel->fromgame == fg_halflife || loadmodel->fromgame == fg_quake2 || loadmodel->fromgame == fg_quake3)
{
int i;
qbyte *out;
qbyte *in;
out = loadmodel->lightdata = Hunk_AllocName ( l->filelen/3, loadname);
in = mod_base + l->fileofs; //24 bit to luminance.
for (i = 0; i < l->filelen; i+=3)
*out++ = ((int)in[i] + (int)in[i] + (int)in[i])/3;
}
else
{//standard Quake
loadmodel->lightdata = Hunk_AllocName ( l->filelen, loadname);
memcpy (loadmodel->lightdata, mod_base + l->fileofs, l->filelen);
}
}
}
#endif
/*
=================
Mod_LoadVisibility
=================
*/
void SWMod_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 SWMod_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 SWMod_LoadVertexes (lump_t *l)
{
dvertex_t *in;
mvertex_t *out;
int i, count;
in = (void *)(mod_base + l->fileofs);
if (l->filelen % sizeof(*in))
Sys_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
count = l->filelen / sizeof(*in);
out = Hunk_AllocName ( (count+8)*sizeof(*out), loadname); //spare for skybox
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]);
}
}
static qboolean hexen2map;
/*
=================
Mod_LoadSubmodels
=================
*/
void SWMod_LoadSubmodels (lump_t *l)
{
dq1model_t *inq;
dh2model_t *inh;
mmodel_t *out;
int i, j, count;
//this is crazy!
inq = (void *)(mod_base + l->fileofs);
inh = (void *)(mod_base + l->fileofs);
if (!inq->numfaces)
{
hexen2map = true;
if (l->filelen % sizeof(*inh))
Sys_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
count = l->filelen / sizeof(*inh);
out = Hunk_AllocName ( count*sizeof(*out), loadname);
loadmodel->submodels = out;
loadmodel->numsubmodels = count;
for ( i=0 ; i<count ; i++, inh++, out++)
{
for (j=0 ; j<3 ; j++)
{ // spread the mins / maxs by a pixel
out->mins[j] = LittleFloat (inh->mins[j]) - 1;
out->maxs[j] = LittleFloat (inh->maxs[j]) + 1;
out->origin[j] = LittleFloat (inh->origin[j]);
}
for (j=0 ; j<MAX_MAP_HULLSDH2 ; j++)
{
out->headnode[j] = LittleLong (inh->headnode[j]);
}
for ( ; j<MAX_MAP_HULLSM ; j++)
out->headnode[j] = 0;
for (j=0 ; j<MAX_MAP_HULLSDH2 ; j++)
out->hullavailable[j] = true;
for ( ; j<MAX_MAP_HULLSM ; j++)
out->hullavailable[j] = false;
out->visleafs = LittleLong (inh->visleafs);
out->firstface = LittleLong (inh->firstface);
out->numfaces = LittleLong (inh->numfaces);
}
}
else
{
hexen2map = false;
if (l->filelen % sizeof(*inq))
Sys_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
count = l->filelen / sizeof(*inq);
out = Hunk_AllocName ( count*sizeof(*out), loadname);
loadmodel->submodels = out;
loadmodel->numsubmodels = count;
for ( i=0 ; i<count ; i++, inq++, out++)
{
for (j=0 ; j<3 ; j++)
{ // spread the mins / maxs by a pixel
out->mins[j] = LittleFloat (inq->mins[j]) - 1;
out->maxs[j] = LittleFloat (inq->maxs[j]) + 1;
out->origin[j] = LittleFloat (inq->origin[j]);
}
for (j=0 ; j<MAX_MAP_HULLSDQ1 ; j++)
{
out->headnode[j] = LittleLong (inq->headnode[j]);
}
for ( ; j<MAX_MAP_HULLSM ; j++)
out->headnode[j] = 0;
for (j=0 ; j<3 ; j++)
out->hullavailable[j] = true;
for ( ; j<MAX_MAP_HULLSM ; j++)
out->hullavailable[j] = false;
out->visleafs = LittleLong (inq->visleafs);
out->firstface = LittleLong (inq->firstface);
out->numfaces = LittleLong (inq->numfaces);
}
}
}
/*
=================
Mod_LoadEdges
=================
*/
void SWMod_LoadEdges (lump_t *l)
{
dedge_t *in;
medge_t *out;
int i, count;
in = (void *)(mod_base + l->fileofs);
if (l->filelen % sizeof(*in))
Sys_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
count = l->filelen / sizeof(*in);
out = Hunk_AllocName ( (count + 1 + 12) * sizeof(*out), loadname); //spare for skybox
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
=================
*/
#ifndef SERVERONLY
void SWMod_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))
Sys_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<8 ; j++)
out->vecs[0][j] = LittleFloat (in->vecs[0][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;
#if 0
if (len1 + len2 < 0.001)
out->mipadjust = 1; // don't crash
else
out->mipadjust = 1 / floor( (len1+len2)/2 + 0.1 );
#endif
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)
Sys_Error ("miptex >= loadmodel->numtextures");
out->texture = loadmodel->textures[miptex];
if (!out->texture)
{
out->texture = r_notexture_mip; // texture not found
out->flags = 0;
}
else if (!strncmp(out->texture->name, "sky", 3))
{
out->flags |= SURF_SKY;
}
else if (!strncmp(out->texture->name, "glass", 5)) //halflife levels
{
out->flags |= SURF_TRANS66;
}
else if (*out->texture->name == '{') //halflife levels
{
// out->flags |= SURF_TRANS66;
}
else if (*out->texture->name == '!') //halflife levels
{
out->flags |= SURF_WARP | SURF_TRANS33;
}
}
}
}
#endif
/*
================
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 (s->extents[i] < 16)
s->extents[i] = 16; // take at least one cache block
// if ( !(tex->flags & TEX_SPECIAL) && s->extents[i] > 512)
// Sys_Error ("Bad surface extents");
}
}
*/
/*
=================
Mod_LoadFaces
=================
*/
#ifndef SERVERONLY
void SWMod_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))
Sys_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
count = l->filelen / sizeof(*in);
out = Hunk_AllocName ( (count+6)*sizeof(*out), loadname); //spare for skybox
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);
if (!out->texinfo->texture)
out->texinfo->texture = r_notexture_mip;
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 if (r_usinglits)
{
if (loadmodel->fromgame == fg_halflife)
out->samples = loadmodel->lightdata + i;
else
out->samples = loadmodel->lightdata + i*3;
}
else
{
if (loadmodel->fromgame == fg_halflife)
out->samples = loadmodel->lightdata + i/3;
else
out->samples = loadmodel->lightdata + i;
}
// set the drawing flags flag
if (!Q_strncmp(out->texinfo->texture->name,"sky",3)) // sky
{
if (loadmodel->fromgame == fg_halflife)
out->flags |= SURF_DRAWBACKGROUND;
else
out->flags |= (SURF_DRAWSKY | SURF_DRAWTILED);
continue;
}
if (!Q_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;
}
continue;
}
}
}
#endif
/*
=================
Mod_SetParent
=================
*/
void SWMod_SetParent (mnode_t *node, mnode_t *parent)
{
node->parent = parent;
if (node->contents < 0)
return;
SWMod_SetParent (node->children[0], node);
SWMod_SetParent (node->children[1], node);
}
/*
=================
Mod_LoadNodes
=================
*/
void SWMod_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))
Sys_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));
}
}
SWMod_SetParent (loadmodel->nodes, NULL); // sets nodes and leafs
}
/*
=================
Mod_LoadLeafs
=================
*/
void SWMod_LoadLeafs (lump_t *l)
{
dleaf_t *in;
mleaf_t *out;
int i, j, count, p;
in = (void *)(mod_base + l->fileofs);
if (l->filelen % sizeof(*in))
Sys_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;
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];
}
}
//these are used to boost other info sizes
int numsuplementryplanes;
int numsuplementryclipnodes;
void *suplementryclipnodes;
void *suplementryplanes;
void *crouchhullfile;
qbyte *COM_LoadMallocFile (char *path);
void SWMod_LoadCrouchHull(void)
{
int i;
int numsm;
char crouchhullname[MAX_QPATH];
int *data;
// dclipnode_t *cn;
numsuplementryplanes = numsuplementryclipnodes = 0;
//find a name for a ccn and try to load it.
strcpy(crouchhullname, loadmodel->name);
COM_StripExtension(loadmodel->name, crouchhullname);
COM_DefaultExtension(crouchhullname, ".crh"); //crouch hull
crouchhullfile = COM_LoadMallocFile(crouchhullname); //or otherwise temporary storage. load on hunk if you want, but that would be a waste.
if (!crouchhullfile)
return;
if (LittleLong(((int *)crouchhullfile)[0]) != ('Q') + ('C'<<8) + ('C'<<16) + ('N'<<24)) //make sure it's the right version
return;
if (LittleLong(((int *)crouchhullfile)[1]) != 0) //make sure it's the right version
return;
numsm = LittleLong(((int *)crouchhullfile)[2]);
if (numsm != loadmodel->numsubmodels) //not compatable
return;
numsuplementryplanes = LittleLong(((int *)crouchhullfile)[3]);
numsuplementryclipnodes = LittleLong(((int *)crouchhullfile)[4]);
data = &((int *)crouchhullfile)[5];
for (i = 0; i < numsm; i++) //load headnode references
{
loadmodel->submodels[i].headnode[3] = LittleLong(*data)+1;
data++;
}
suplementryplanes = data;
suplementryclipnodes = (qbyte*)data + sizeof(dplane_t)*numsuplementryplanes;
}
/*
=================
Mod_LoadClipnodes
=================
*/
void SWMod_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))
Sys_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
count = l->filelen / sizeof(*in);
out = Hunk_AllocName ( (count+numsuplementryclipnodes)*sizeof(*out), loadname);//space for both
loadmodel->clipnodes = out;
loadmodel->numclipnodes = count+numsuplementryclipnodes;
if (hexen2map)
{ //hexen2.
hexen2map=false;
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->available = true;
hull = &loadmodel->hulls[2];
hull->clipnodes = out;
hull->firstclipnode = 0;
hull->lastclipnode = count-1;
hull->planes = loadmodel->planes;
hull->clip_mins[0] = -24;
hull->clip_mins[1] = -24;
hull->clip_mins[2] = -20;
hull->clip_maxs[0] = 24;
hull->clip_maxs[1] = 24;
hull->clip_maxs[2] = 20;
hull->available = true;
hull = &loadmodel->hulls[3];
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] = -12;
hull->clip_maxs[0] = 16;
hull->clip_maxs[1] = 16;
hull->clip_maxs[2] = 16;
hull->available = true;
hull = &loadmodel->hulls[4];
hull->clipnodes = out;
hull->firstclipnode = 0;
hull->lastclipnode = count-1;
hull->planes = loadmodel->planes;
hull->clip_mins[0] = -40;
hull->clip_mins[1] = -40;
hull->clip_mins[2] = -42;
hull->clip_maxs[0] = 40;
hull->clip_maxs[1] = 40;
hull->clip_maxs[2] = 42;
hull->available = true;
hull = &loadmodel->hulls[5];
hull->clipnodes = out;
hull->firstclipnode = 0;
hull->lastclipnode = count-1;
hull->planes = loadmodel->planes;
hull->clip_mins[0] = -48;
hull->clip_mins[1] = -48;
hull->clip_mins[2] = -50;
hull->clip_maxs[0] = 48;
hull->clip_maxs[1] = 48;
hull->clip_maxs[2] = 50;
hull->available = true;
}
else if (loadmodel->fromgame == fg_halflife)
{
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] = -36;
hull->clip_maxs[0] = 16;
hull->clip_maxs[1] = 16;
hull->clip_maxs[2] = 36;
hull->available = true;
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] = -32;
hull->clip_maxs[0] = 32;
hull->clip_maxs[1] = 32;
hull->clip_maxs[2] = 32;
hull->available = true;
hull = &loadmodel->hulls[3];
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] = -18;
hull->clip_maxs[0] = 16;
hull->clip_maxs[1] = 16;
hull->clip_maxs[2] = 18;
hull->available = true;
}
else
{
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->available = true;
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;
hull->available = true;
hull = &loadmodel->hulls[3];
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] = -6;
hull->clip_maxs[0] = 16;
hull->clip_maxs[1] = 16;
hull->clip_maxs[2] = 30;
hull->available = false;
}
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]);
}
if (numsuplementryclipnodes) //now load the crouch ones.
{
in = suplementryclipnodes;
hull->planes = suplementryplanes;
hull->clipnodes = out-1;
hull->lastclipnode = numsuplementryclipnodes;
hull->available = true;
for (i=0 ; i<numsuplementryclipnodes ; i++, out++, in++)
{
out->planenum = LittleLong(in->planenum);
out->children[0] = LittleShort(in->children[0]);
out->children[0] += out->children[0]>=0?1:0;
out->children[1] = LittleShort(in->children[1]);
out->children[1] += out->children[1]>=0?1:0;
}
}
}
/*
=================
Mod_MakeHull0
Deplicate the drawing hull structure as a clipping hull
=================
*/
void SWMod_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 SWMod_LoadMarksurfaces (lump_t *l)
{
int i, j, count;
short *in;
msurface_t **out;
in = (void *)(mod_base + l->fileofs);
if (l->filelen % sizeof(*in))
Sys_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)
Sys_Error ("Mod_ParseMarksurfaces: bad surface number");
out[i] = loadmodel->surfaces + j;
}
}
/*
=================
Mod_LoadSurfedges
=================
*/
void SWMod_LoadSurfedges (lump_t *l)
{
int i, count;
int *in, *out;
in = (void *)(mod_base + l->fileofs);
if (l->filelen % sizeof(*in))
Sys_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
count = l->filelen / sizeof(*in);
out = Hunk_AllocName ( (count+24)*sizeof(*out), loadname); //spare for skybox
loadmodel->surfedges = out;
loadmodel->numsurfedges = count;
for ( i=0 ; i<count ; i++)
out[i] = LittleLong (in[i]);
}
/*
=================
Mod_LoadPlanes
=================
*/
void SWMod_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))
Sys_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
count = l->filelen / sizeof(*in);
out = Hunk_AllocName ( (count+numsuplementryplanes)*2*sizeof(*out), loadname);
loadmodel->planes = out;
loadmodel->numplanes = count+numsuplementryplanes;
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;
}
if (numsuplementryplanes)
{
in = suplementryplanes;
suplementryplanes = out;
for ( i=0 ; i<numsuplementryplanes ; 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);
}
*/
void Q1BSP_MarkLights (dlight_t *light, int bit, mnode_t *node);
#ifndef CLIENTONLY
void Q1BSP_FatPVS (vec3_t org, qboolean add);
qboolean Q1BSP_EdictInFatPVS(edict_t *ent);
void Q1BSP_FindTouchedLeafs(edict_t *ent);
#endif
void SWQ1BSP_LightPointValues(vec3_t point, vec3_t res_diffuse, vec3_t res_ambient, vec3_t res_dir);
void SWR_Q1BSP_StainNode (mnode_t *node, float *parms);
/*
=================
Mod_LoadBrushModel
=================
*/
void SWMod_LoadBrushModel (model_t *mod, void *buffer)
{
int i, j;
dheader_t *header;
mmodel_t *bm;
loadmodel->type = mod_brush;
header = (dheader_t *)buffer;
i = LittleLong (header->version);
if (i == BSPVERSION || i == BSPVERSIONPREREL)
loadmodel->fromgame = fg_quake;
else if (i == BSPVERSIONHL)
loadmodel->fromgame = fg_halflife;
else
Sys_Error ("Mod_LoadBrushModel: %s has wrong version number (%i should be %i)", mod->name, i, BSPVERSION);
// if (i != BSPVERSION)
// Sys_Error ("Mod_LoadBrushModel: %s has wrong version number (%i should be %i)", mod->name, i, BSPVERSION);
// swap all the lumps
mod_base = (qbyte *)header;
for (i=0 ; i<sizeof(dheader_t)/4 ; i++)
((int *)header)[i] = LittleLong ( ((int *)header)[i]);
mod->checksum = 0;
mod->checksum2 = 0;
// checksum all of the map, except for entities
for (i = 0; i < HEADER_LUMPS; i++) {
if (i == LUMP_ENTITIES)
continue;
mod->checksum ^= 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 ^= Com_BlockChecksum(mod_base + header->lumps[i].fileofs,
header->lumps[i].filelen);
}
// load into heap
#ifndef CLIENTONLY
if (!isDedicated)
#endif
{
SWMod_LoadVertexes (&header->lumps[LUMP_VERTEXES]);
SWMod_LoadEdges (&header->lumps[LUMP_EDGES]);
SWMod_LoadSurfedges (&header->lumps[LUMP_SURFEDGES]);
SWMod_LoadLighting (&header->lumps[LUMP_LIGHTING]); //DMW, made lighting load first. (so we know if lighting is rgb or luminance)
SWMod_LoadTextures (&header->lumps[LUMP_TEXTURES]);
}
SWMod_LoadSubmodels (&header->lumps[LUMP_MODELS]); //needs to come before we set the headnodes[3]
SWMod_LoadCrouchHull ();
SWMod_LoadPlanes (&header->lumps[LUMP_PLANES]);
#ifndef CLIENTONLY
if (!isDedicated)
#endif
{
SWMod_LoadTexinfo (&header->lumps[LUMP_TEXINFO]);
SWMod_LoadFaces (&header->lumps[LUMP_FACES]);
SWMod_LoadMarksurfaces (&header->lumps[LUMP_MARKSURFACES]);
}
SWMod_LoadVisibility (&header->lumps[LUMP_VISIBILITY]);
SWMod_LoadLeafs (&header->lumps[LUMP_LEAFS]);
SWMod_LoadNodes (&header->lumps[LUMP_NODES]);
SWMod_LoadClipnodes (&header->lumps[LUMP_CLIPNODES]);
SWMod_LoadEntities (&header->lumps[LUMP_ENTITIES]);
if (crouchhullfile)
{
BZ_Free(crouchhullfile);
crouchhullfile=NULL;
}
#ifndef CLIENTONLY
mod->funcs.FatPVS = Q1BSP_FatPVS;
mod->funcs.EdictInFatPVS = Q1BSP_EdictInFatPVS;
mod->funcs.FindTouchedLeafs_Q1 = Q1BSP_FindTouchedLeafs;
#endif
mod->funcs.LightPointValues = SWQ1BSP_LightPointValues;
mod->funcs.StainNode = SWR_Q1BSP_StainNode;
mod->funcs.MarkLights = Q1BSP_MarkLights;
mod->funcs.LeafForPoint = SWMod_LeafForPoint;
mod->funcs.LeafPVS = SWMod_LeafnumPVS;
//We ONLY do this for the world model
#ifndef SERVERONLY
#ifndef CLIENTONLY
if (sv.state) //if the server is running
{
if (!strcmp(loadmodel->name, va("maps/%s.bsp", sv.name)))
Mod_ParseInfoFromEntityLump(mod_base + header->lumps[LUMP_ENTITIES].fileofs);
}
else
#endif
{
if (!cl.model_precache[1]) //not copied across yet
Mod_ParseInfoFromEntityLump(mod_base + header->lumps[LUMP_ENTITIES].fileofs);
}
#endif
SWMod_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];
Q1BSP_SetHullFuncs(&mod->hulls[0]);
for (j=1 ; j<MAX_MAP_HULLSM ; j++)
{
mod->hulls[j].firstclipnode = bm->headnode[j];
mod->hulls[j].lastclipnode = mod->numclipnodes-1;
Q1BSP_SetHullFuncs(&mod->hulls[j]);
}
mod->firstmodelsurface = bm->firstface;
mod->nummodelsurfaces = bm->numfaces;
mod->radius = RadiusFromBounds (mod->mins, mod->maxs);
VectorCopy (bm->maxs, mod->maxs);
VectorCopy (bm->mins, mod->mins);
mod->numleafs = bm->visleafs;
if (i < mod->numsubmodels-1)
{ // duplicate the basic information
char name[10];
sprintf (name, "*%i", i+1);
loadmodel = SWMod_FindName (name);
*loadmodel = *mod;
strcpy (loadmodel->name, name);
mod = loadmodel;
P_DefaultTrail(mod);
}
}
}
#ifndef SERVERONLY
/*
==============================================================================
ALIAS MODELS
==============================================================================
*/
/*
=================
Mod_LoadAliasFrame
=================
*/
void * SWMod_LoadAliasFrame (void * pin, int *pframeindex, int numv,
dtrivertx_t *pbboxmin, dtrivertx_t *pbboxmax, aliashdr_t *pheader, char *name)
{
dtrivertx_t *pframe, *pinframe;
int i, j;
daliasframe_t *pdaliasframe;
pdaliasframe = (daliasframe_t *)pin;
strcpy (name, pdaliasframe->name);
for (i=0 ; i<3 ; i++)
{
// these are byte values, so we don't have to worry about
// endianness
pbboxmin->v[i] = pdaliasframe->bboxmin.v[i];
pbboxmax->v[i] = pdaliasframe->bboxmax.v[i];
}
pinframe = (dtrivertx_t *)(pdaliasframe + 1);
pframe = Hunk_AllocName (numv * sizeof(*pframe), loadname);
*pframeindex = (qbyte *)pframe - (qbyte *)pheader;
for (j=0 ; j<numv ; j++)
{
int k;
// these are all byte values, so no need to deal with endianness
pframe[j].lightnormalindex = pinframe[j].lightnormalindex;
for (k=0 ; k<3 ; k++)
{
pframe[j].v[k] = pinframe[j].v[k];
}
}
pinframe += numv;
return (void *)pinframe;
}
/*
=================
Mod_LoadAliasGroup
=================
*/
void * SWMod_LoadAliasGroup (void * pin, int *pframeindex, int numv,
dtrivertx_t *pbboxmin, dtrivertx_t *pbboxmax, aliashdr_t *pheader, char *name)
{
daliasgroup_t *pingroup;
maliasgroup_t *paliasgroup;
int i, numframes;
daliasinterval_t *pin_intervals;
float *poutintervals;
void *ptemp;
pingroup = (daliasgroup_t *)pin;
numframes = LittleLong (pingroup->numframes);
paliasgroup = Hunk_AllocName (sizeof (maliasgroup_t) +
(numframes - 1) * sizeof (paliasgroup->frames[0]), loadname);
paliasgroup->numframes = numframes;
for (i=0 ; i<3 ; i++)
{
// these are byte values, so we don't have to worry about endianness
pbboxmin->v[i] = pingroup->bboxmin.v[i];
pbboxmax->v[i] = pingroup->bboxmax.v[i];
}
*pframeindex = (qbyte *)paliasgroup - (qbyte *)pheader;
pin_intervals = (daliasinterval_t *)(pingroup + 1);
poutintervals = Hunk_AllocName (numframes * sizeof (float), loadname);
paliasgroup->intervals = (qbyte *)poutintervals - (qbyte *)pheader;
for (i=0 ; i<numframes ; i++)
{
*poutintervals = LittleFloat (pin_intervals->interval);
if (*poutintervals <= 0.0)
Sys_Error ("Mod_LoadAliasGroup: interval<=0");
poutintervals++;
pin_intervals++;
}
ptemp = (void *)pin_intervals;
for (i=0 ; i<numframes ; i++)
{
ptemp = SWMod_LoadAliasFrame (ptemp,
&paliasgroup->frames[i].frame,
numv,
&paliasgroup->frames[i].bboxmin,
&paliasgroup->frames[i].bboxmax,
pheader, name);
}
return ptemp;
}
/*
=================
Mod_LoadAliasSkin
=================
*/
void * SWMod_LoadAliasSkin (void * pin, int *pskinindex, int skinsize,
aliashdr_t *pheader)
{
int i;
qbyte *pskin, *pinskin;
// unsigned short *pusskin;
unsigned int *p32skin;
pskin = Hunk_AllocName (skinsize * r_pixbytes, loadname);
pinskin = (qbyte *)pin;
*pskinindex = (qbyte *)pskin - (qbyte *)pheader;
if (r_pixbytes == 1 || r_pixbytes == 2)
{
Q_memcpy (pskin, pinskin, skinsize);
}
else if (r_pixbytes == 4)
{
extern qbyte *host_basepal;
p32skin = (unsigned int *)pskin;
for (i=0 ; i<skinsize ; i++)
p32skin[i] = (255<<24) | (host_basepal[pinskin[i]*3+0]<<16) | (host_basepal[pinskin[i]*3+1]<<8) | (host_basepal[pinskin[i]*3+2]<<0);//d_8to32table[pinskin[i]];
}
else
{
Sys_Error ("Mod_LoadAliasSkin: driver set invalid r_pixbytes: %d\n",
r_pixbytes);
}
pinskin += skinsize;
return ((void *)pinskin);
}
void * SWMod_LoadAlias2Skin (void * pin, int *pskinindex, int skinsize,
aliashdr_t *pheader)
{
return ((void *)pin);
}
/*
=================
Mod_LoadAliasSkinGroup
=================
*/
void * SWMod_LoadAliasSkinGroup (void * pin, int *pskinindex, int skinsize,
aliashdr_t *pheader)
{
daliasskingroup_t *pinskingroup;
maliasskingroup_t *paliasskingroup;
int i, numskins;
daliasskininterval_t *pinskinintervals;
float *poutskinintervals;
void *ptemp;
pinskingroup = (daliasskingroup_t *)pin;
numskins = LittleLong (pinskingroup->numskins);
paliasskingroup = Hunk_AllocName (sizeof (maliasskingroup_t) +
(numskins - 1) * sizeof (paliasskingroup->skindescs[0]),
loadname);
paliasskingroup->numskins = numskins;
*pskinindex = (qbyte *)paliasskingroup - (qbyte *)pheader;
pinskinintervals = (daliasskininterval_t *)(pinskingroup + 1);
poutskinintervals = Hunk_AllocName (numskins * sizeof (float),loadname);
paliasskingroup->intervals = (qbyte *)poutskinintervals - (qbyte *)pheader;
for (i=0 ; i<numskins ; i++)
{
*poutskinintervals = LittleFloat (pinskinintervals->interval);
if (*poutskinintervals <= 0)
Sys_Error ("Mod_LoadAliasSkinGroup: interval<=0");
poutskinintervals++;
pinskinintervals++;
}
ptemp = (void *)pinskinintervals;
for (i=0 ; i<numskins ; i++)
{
ptemp = SWMod_LoadAliasSkin (ptemp,
&paliasskingroup->skindescs[i].skin, skinsize, pheader);
}
return ptemp;
}
/*
=================
Mod_LoadAliasModel
=================
*/
void SWMod_LoadAliasModel (model_t *mod, void *buffer)
{
int i;
mmdl_t *pmodel;
dmdl_t *pinmodel;
mstvert_t *pstverts;
dstvert_t *pinstverts;
aliashdr_t *pheader;
mtriangle_t *ptri;
dtriangle_t *pintriangles;
int version, numframes, numskins;
int size;
daliasframetype_t *pframetype;
daliasskintype_t *pskintype;
maliasskindesc_t *pskindesc;
int skinsize;
int start, end, total;
if (!strcmp(loadmodel->name, "progs/player.mdl") ||
!strcmp(loadmodel->name, "progs/eyes.mdl")) {
unsigned short crc;
qbyte *p;
int len;
char st[40];
CRC_Init(&crc);
for (len = com_filesize, p = buffer; len; len--, p++)
CRC_ProcessByte(&crc, *p);
sprintf(st, "%d", (int) crc);
Info_SetValueForKey (cls.userinfo,
!strcmp(loadmodel->name, "progs/player.mdl") ? pmodel_name : emodel_name,
st, MAX_INFO_STRING);
if (cls.state >= ca_connected)
{
CL_SendClientCommand(true, "setinfo %s %d",
!strcmp(loadmodel->name, "progs/player.mdl") ? pmodel_name : emodel_name,
(int)crc);
}
}
start = Hunk_LowMark ();
pinmodel = (dmdl_t *)buffer;
version = LittleLong (pinmodel->version);
if (version != ALIAS_VERSION)
Sys_Error ("%s has wrong version number (%i should be %i)",
mod->name, version, ALIAS_VERSION);
//
// allocate space for a working header, plus all the data except the frames,
// skin and group info
//
size = sizeof (aliashdr_t) + (LittleLong (pinmodel->numframes) - 1) *
sizeof (pheader->frames[0]) +
sizeof (mmdl_t) +
LittleLong (pinmodel->numverts)*2 * sizeof (mstvert_t) +
LittleLong (pinmodel->numtris) * sizeof (mtriangle_t);
pheader = Hunk_AllocName (size, loadname);
pmodel = (mmdl_t *) ((qbyte *)&pheader[1] +
(LittleLong (pinmodel->numframes) - 1) *
sizeof (pheader->frames[0]));
// mod->cache.data = pheader;
mod->flags = LittleLong (pinmodel->flags);
//
// endian-adjust and copy the data, starting with the alias model header
//
pmodel->boundingradius = LittleFloat (pinmodel->boundingradius);
pmodel->numskins = LittleLong (pinmodel->numskins);
pmodel->skinwidth = LittleLong (pinmodel->skinwidth);
pmodel->skinheight = LittleLong (pinmodel->skinheight);
if (pmodel->skinheight > MAX_LBM_HEIGHT)
Sys_Error ("model %s has a skin taller than %d", mod->name,
MAX_LBM_HEIGHT);
pmodel->numstverts = pmodel->numverts = LittleLong (pinmodel->numverts);
if (pmodel->numverts <= 0)
Sys_Error ("model %s has no vertices", mod->name);
if (pmodel->numverts > MAXALIASVERTS)
Sys_Error ("model %s has too many vertices", mod->name);
pmodel->numtris = LittleLong (pinmodel->numtris);
if (pmodel->numtris <= 0)
Sys_Error ("model %s has no triangles", mod->name);
pmodel->numframes = LittleLong (pinmodel->numframes);
pmodel->size = LittleFloat (pinmodel->size) * ALIAS_BASE_SIZE_RATIO;
mod->synctype = LittleLong (pinmodel->synctype);
mod->numframes = pmodel->numframes;
for (i=0 ; i<3 ; i++)
{
pmodel->scale[i] = LittleFloat (pinmodel->scale[i]);
pmodel->scale_origin[i] = LittleFloat (pinmodel->scale_origin[i]);
pmodel->eyeposition[i] = LittleFloat (pinmodel->eyeposition[i]);
}
numskins = pmodel->numskins;
numframes = pmodel->numframes;
if (pmodel->skinwidth & 0x03)
Sys_Error ("Mod_LoadAliasModel: \"%s\" skinwidth not multiple of 4", loadmodel->name);
pheader->model = (qbyte *)pmodel - (qbyte *)pheader;
//
// load the skins
//
skinsize = pmodel->skinheight * pmodel->skinwidth;
if (numskins < 1)
Sys_Error ("Mod_LoadAliasModel: Invalid # of skins: %d\n", numskins);
pskintype = (daliasskintype_t *)&pinmodel[1];
pskindesc = Hunk_AllocName (numskins * sizeof (maliasskindesc_t),
loadname);
pheader->skindesc = (qbyte *)pskindesc - (qbyte *)pheader;
for (i=0 ; i<numskins ; i++)
{
aliasskintype_t skintype;
skintype = LittleLong (pskintype->type);
pskindesc[i].type = skintype;
if (skintype == ALIAS_SKIN_SINGLE)
{
pskintype = (daliasskintype_t *)
SWMod_LoadAliasSkin (pskintype + 1,
&pskindesc[i].skin,
skinsize, pheader);
}
else
{
pskintype = (daliasskintype_t *)
SWMod_LoadAliasSkinGroup (pskintype + 1,
&pskindesc[i].skin,
skinsize, pheader);
}
}
//
// set base s and t vertices
//
pstverts = (mstvert_t *)&pmodel[1];
pinstverts = (dstvert_t *)pskintype;
pheader->stverts = (qbyte *)pstverts - (qbyte *)pheader;
for (i=0 ; i<pmodel->numverts ; i++) //fixme: really, we only need to duplicate the onseem ones.
{
// put s and t in 16.16 format
pstverts[i].s = LittleLong (pinstverts[i].s) << 16;
pstverts[i].t = LittleLong (pinstverts[i].t) << 16;
if (LittleLong (pinstverts[i].onseam))
pstverts[i+pmodel->numverts].s = pstverts[i].s + ((pmodel->skinwidth>>1) << 16);
else
pstverts[i+pmodel->numverts].s = pstverts[i].s; //FIXME: prevent duplication.
pstverts[i+pmodel->numverts].t = pstverts[i].t;
}
pmodel->numstverts = pmodel->numverts*2;
//
// set up the triangles
//
ptri = (mtriangle_t *)&pstverts[pmodel->numstverts];
pintriangles = (dtriangle_t *)&pinstverts[pmodel->numverts];
pheader->triangles = (qbyte *)ptri - (qbyte *)pheader;
for (i=0 ; i<pmodel->numtris ; i++)
{
int j;
for (j=0 ; j<3 ; j++)
{
ptri[i].xyz_index[j] =
LittleLong (pintriangles[i].vertindex[j]);
if (LittleLong (pintriangles[i].facesfront))
ptri[i].st_index[j] = ptri[i].xyz_index[j];
else
ptri[i].st_index[j] = ptri[i].xyz_index[j]+pmodel->numverts;
}
}
//
// load the frames
//
if (numframes < 1)
Sys_Error ("Mod_LoadAliasModel: Invalid # of frames: %d\n", numframes);
pframetype = (daliasframetype_t *)&pintriangles[pmodel->numtris];
for (i=0 ; i<numframes ; i++)
{
aliasframetype_t frametype;
frametype = LittleLong (pframetype->type);
pheader->frames[i].type = frametype;
VectorCopy(pmodel->scale_origin, pheader->frames[i].scale_origin);
VectorCopy(pmodel->scale, pheader->frames[i].scale);
if (frametype == ALIAS_SINGLE)
{
pframetype = (daliasframetype_t *)
SWMod_LoadAliasFrame (pframetype + 1,
&pheader->frames[i].frame,
pmodel->numverts,
&pheader->frames[i].bboxmin,
&pheader->frames[i].bboxmax,
pheader, pheader->frames[i].name);
}
else
{
pframetype = (daliasframetype_t *)
SWMod_LoadAliasGroup (pframetype + 1,
&pheader->frames[i].frame,
pmodel->numverts,
&pheader->frames[i].bboxmin,
&pheader->frames[i].bboxmax,
pheader, pheader->frames[i].name);
}
}
mod->type = mod_alias;
// FIXME: do this right
/*
mod->mins[0] = mod->mins[1] = mod->mins[2] = -16;
mod->maxs[0] = mod->maxs[1] = mod->maxs[2] = 16;
*/
VectorCopy (pmodel->scale_origin, mod->mins);
VectorMA (mod->mins, 255, pmodel->scale, mod->maxs);
//
// move the complete, relocatable alias model to the cache
//
end = Hunk_LowMark ();
total = end - start;
Hunk_Check();
Cache_Alloc (&mod->cache, total, loadname);
if (!mod->cache.data)
return;
memcpy (mod->cache.data, pheader, total);
Hunk_FreeToLowMark (start);
}
typedef struct
{
float scale[3]; // multiply qbyte verts by this
float translate[3]; // then add this
char name[16]; // frame name from grabbing
dtrivertx_t verts[1]; // variable sized
} dmd2aliasframe_t;
void SWMod_LoadAlias2Model (model_t *mod, void *buffer)
{
int i, j;
mmdl_t *pmodel;
md2_t *pinmodel;
mstvert_t *pstverts;
dmd2stvert_t *pinstverts;
aliashdr_t *pheader;
mtriangle_t *ptri;
dmd2triangle_t *pintriangles;
int version, numframes, numskins;
int size;
dmd2aliasframe_t *pinframe;
maliasframedesc_t *poutframe;
maliasskindesc_t *pskindesc;
int skinsize;
int start, end, total;
dtrivertx_t *frameverts;
vec3_t mins, maxs;
if (!strcmp(loadmodel->name, "progs/player.mdl") ||
!strcmp(loadmodel->name, "progs/eyes.mdl")) {
unsigned short crc;
qbyte *p;
int len;
char st[40];
CRC_Init(&crc);
for (len = com_filesize, p = buffer; len; len--, p++)
CRC_ProcessByte(&crc, *p);
sprintf(st, "%d", (int) crc);
Info_SetValueForKey (cls.userinfo,
!strcmp(loadmodel->name, "progs/player.mdl") ? pmodel_name : emodel_name,
st, MAX_INFO_STRING);
if (cls.state >= ca_connected)
{
CL_SendClientCommand(true, "setinfo %s %d",
!strcmp(loadmodel->name, "progs/player.mdl") ? pmodel_name : emodel_name,
(int)crc);
}
}
start = Hunk_LowMark ();
pinmodel = (md2_t *)buffer;
version = LittleLong (pinmodel->version);
if (version != MD2ALIAS_VERSION)
Sys_Error ("%s has wrong version number (%i should be %i)",
mod->name, version, MD2ALIAS_VERSION);
//
// allocate space for a working header, plus all the data except the frames,
// skin and group info
//
size = sizeof (aliashdr_t) + (LittleLong (pinmodel->num_frames) - 1) *
sizeof (pheader->frames[0]) +
sizeof (mmdl_t) +
LittleLong (pinmodel->num_st) * sizeof (mstvert_t) +
LittleLong (pinmodel->num_tris) * sizeof (mtriangle_t);
pheader = Hunk_AllocName (size, loadname);
pmodel = (mmdl_t *) ((qbyte *)&pheader[1] +
(LittleLong (pinmodel->num_frames) - 1) *
sizeof (pheader->frames[0]));
mod->flags = 0;//LittleLong (pinmodel->flags);
//
// endian-adjust and copy the data, starting with the alias model header
//
pmodel->boundingradius = 100;//LittleFloat (pinmodel->boundingradius);
pmodel->numskins = LittleLong (pinmodel->num_skins);
pmodel->skinwidth = LittleLong (pinmodel->skinwidth);
pmodel->skinheight = LittleLong (pinmodel->skinheight);
if (pmodel->skinheight > MAX_LBM_HEIGHT)
Sys_Error ("model %s has a skin taller than %d", mod->name,
MAX_LBM_HEIGHT);
pmodel->numverts = LittleLong (pinmodel->num_xyz);
pmodel->numstverts = LittleLong (pinmodel->num_st);
if (pmodel->numverts <= 0)
Sys_Error ("model %s has no vertices", mod->name);
if (pmodel->numverts > MAXALIASVERTS)
Sys_Error ("model %s has too many vertices", mod->name);
pmodel->numtris = LittleLong (pinmodel->num_tris);
if (pmodel->numtris <= 0)
Sys_Error ("model %s has no triangles", mod->name);
pmodel->numframes = LittleLong (pinmodel->num_frames);
pmodel->size = 1000;//LittleFloat (pinmodel->size) * ALIAS_BASE_SIZE_RATIO;
mod->synctype = 1;//LittleLong (pinmodel->synctype);
mod->numframes = pmodel->numframes;
for (i=0 ; i<3 ; i++)
{
pmodel->scale[i] = 0;
pmodel->scale_origin[i] = 0;
pmodel->eyeposition[i] = 0;
}
numskins = pmodel->numskins;
numframes = pmodel->numframes;
if (pmodel->skinwidth & 0x03)
Sys_Error ("Mod_LoadAliasModel: skinwidth not multiple of 4");
pheader->model = (qbyte *)pmodel - (qbyte *)pheader;
//
// set base s and t vertices
//
pstverts = (mstvert_t *)&pmodel[1];
pinstverts = (dmd2stvert_t *)((qbyte *)pinmodel + LittleLong(pinmodel->ofs_st));
pheader->stverts = (qbyte *)pstverts - (qbyte *)pheader;
for (i=0 ; i<pmodel->numstverts ; i++)
{
// put s and t in 16.16 format
pstverts[i].s = LittleShort (pinstverts[i].s)<<16;
pstverts[i].t = LittleShort (pinstverts[i].t)<<16;
}
//
// set up the triangles
//
ptri = (mtriangle_t *)&pstverts[pmodel->numstverts];
pintriangles = (dmd2triangle_t *)((qbyte *)pinmodel + LittleLong(pinmodel->ofs_tris));
pheader->triangles = (qbyte *)ptri - (qbyte *)pheader;
for (i=0 ; i<pmodel->numtris ; i++)
{
int j;
for (j=0 ; j<3 ; j++)
{
ptri[i].xyz_index[j] = LittleShort (pintriangles[i].xyz_index[j]);
ptri[i].st_index[j] = LittleShort (pintriangles[i].st_index[j]);
}
}
//
// load the frames
//
if (numframes < 1)
Sys_Error ("Mod_LoadAliasModel: Invalid # of frames: %d\n", numframes);
for (i=0 ; i<numframes ; i++)
{
pinframe = (dmd2aliasframe_t *) ((qbyte *)pinmodel
+ LittleLong(pinmodel->ofs_frames) + i * LittleLong(pinmodel->framesize));
poutframe = &pheader->frames[i];
memcpy (poutframe->name, pinframe->name, sizeof(poutframe->name));
for (j=0 ; j<3 ; j++)
{
poutframe->scale[j] = LittleFloat (pinframe->scale[j]);
poutframe->scale_origin[j] = LittleFloat (pinframe->translate[j]);
}
VectorCopy (poutframe->scale_origin, mins); //work out precise size.
VectorMA (mins, 255, poutframe->scale, maxs);
poutframe->bboxmin.v[0] = poutframe->bboxmin.v[1] = poutframe->bboxmin.v[2] = 0;
poutframe->bboxmax.v[0] = poutframe->bboxmax.v[1] = poutframe->bboxmax.v[2] = 255;
if (i == 0)
{
VectorCopy (mins, mod->mins); //first frame - nothing to compare against.
VectorCopy (maxs, mod->maxs);
}
else
{
for (j = 0; j < 3; j++)
{
if (mod->mins[j] > mins[j]) //and make sure that the biggest ends up as the model size.
mod->mins[j] = mins[j];
if (mod->maxs[j] < maxs[j])
mod->maxs[j] = maxs[j];
}
}
// verts are all 8 bit, so no swapping needed
frameverts = Hunk_AllocName(pmodel->numverts*sizeof(dtrivertx_t), loadname);
poutframe->frame = (qbyte *)frameverts - (qbyte *)pheader;
for (j = 0; j < pmodel->numverts; j++)
{
frameverts[j].lightnormalindex = pinframe->verts[j].lightnormalindex;
frameverts[j].v[0] = pinframe->verts[j].v[0];
frameverts[j].v[1] = pinframe->verts[j].v[1];
frameverts[j].v[2] = pinframe->verts[j].v[2];
}
}
VectorCopy (mod->mins, pmodel->scale_origin); //work out global scale
pmodel->scale[0] = (mod->maxs[0] - mod->mins[0])/255;
pmodel->scale[1] = (mod->maxs[1] - mod->mins[1])/255;
pmodel->scale[2] = (mod->maxs[2] - mod->mins[2])/255;
{
int width;
int height;
int j;
qbyte *buffer;
qbyte *texture;
char *skinnames;
qbyte *skin;
pmodel->numskins = 0;
skinnames = Hunk_AllocName(numskins*MAX_SKINNAME, loadname);
memcpy(skinnames, (qbyte *)pinmodel + LittleLong(pinmodel->ofs_skins), numskins*MAX_SKINNAME);
skinsize = pmodel->skinheight * pmodel->skinwidth;
pskindesc = Hunk_AllocName (numskins * sizeof (maliasskindesc_t),
loadname);
pheader->skindesc = (qbyte *)pskindesc - (qbyte *)pheader;
for (i=0 ; i<numskins ; i++, skinnames+=MAX_SKINNAME)
{
buffer = COM_LoadTempFile(skinnames);
if (!buffer)
{
Con_Printf("Skin %s not found\n", skinnames);
continue;
}
texture = ReadPCXFile(buffer, com_filesize, &width, &height);
// BZ_Free(buffer);
if (!texture)
{
Con_Printf("Skin %s not a pcx\n", skinnames);
continue;
}
if (width != pmodel->skinwidth || height != pmodel->skinheight) //FIXME: scale
{
BZ_Free(texture);
Con_Printf("Skin %s not same size as model specifies it should be\n", skinnames);
continue;
}
skin = Hunk_AllocName(skinsize*r_pixbytes, loadname);
if (r_pixbytes == 4)
{
for (j = 0; j < skinsize*4; j+=4)
{
skin[j+0] = texture[j+2];
skin[j+1] = texture[j+1];
skin[j+2] = texture[j+0];
skin[j+3] = texture[j+3];
}
}
else
{
for (j = 0; j < skinsize; j++) //you know when you've been palettized.
{
skin[j+0] = GetPalette(texture[j*4+0], texture[j*4+1], texture[j*4+2]);
}
}
BZ_Free(texture);
pskindesc[pmodel->numskins].type = ALIAS_SKIN_SINGLE;
pskindesc[pmodel->numskins].skin = (qbyte *)skin - (qbyte *)pheader;
pmodel->numskins++;
}
}
mod->type = mod_alias;
//
// move the complete, relocatable alias model to the cache
//
end = Hunk_LowMark ();
total = end - start;
Cache_Alloc (&mod->cache, total, loadname);
if (!mod->cache.data)
return;
memcpy (mod->cache.data, pheader, total);
Hunk_FreeToLowMark (start);
}
//structures from Tenebrae
typedef struct {
int ident;
int version;
char name[MAX_QPATH];
int flags; //Does anyone know what these are?
int numFrames;
int numTags;
int numSurfaces;
int numSkins;
int ofsFrames;
int ofsTags;
int ofsSurfaces;
int ofsEnd;
} md3Header_t;
//then has header->numFrames of these at header->ofs_Frames
typedef struct md3Frame_s {
vec3_t bounds[2];
vec3_t localOrigin;
float radius;
char name[16];
} md3Frame_t;
//there are header->numSurfaces of these at header->ofsSurfaces, following from ofsEnd
typedef struct {
int ident; //
char name[MAX_QPATH]; // polyset name
int flags;
int numFrames; // all surfaces in a model should have the same
int numShaders; // all surfaces in a model should have the same
int numVerts;
int numTriangles;
int ofsTriangles;
int ofsShaders; // offset from start of md3Surface_t
int ofsSt; // texture coords are common for all frames
int ofsXyzNormals; // numVerts * numFrames
int ofsEnd; // next surface follows
} md3Surface_t;
//at surf+surf->ofsXyzNormals
typedef struct {
short xyz[3];
unsigned short normal;
} md3XyzNormal_t;
//surf->numTriangles at surf+surf->ofsTriangles
typedef struct {
int indexes[3];
} md3Triangle_t;
//surf->numVerts at surf+surf->ofsSt
typedef struct {
float s;
float t;
} md3St_t;
typedef struct {
char name[MAX_QPATH];
int shaderIndex;
} md3Shader_t;
//End of Tenebrae 'assistance'
typedef struct {
char name[MAX_QPATH];
vec3_t org;
float ang[3][3];
} md3tag_t;
qbyte *LoadTextureFile(char *texturename)
{
qbyte *tex;
if ((tex = COM_LoadMallocFile(texturename)))
return tex;
if ((tex = COM_LoadMallocFile(va("textures/%s.tga", texturename))))
return tex;
if ((tex = COM_LoadMallocFile(va("textures/%s.jpg", texturename))))
return tex;
if ((tex = COM_LoadMallocFile(va("%s.tga", texturename))))
return tex;
if ((tex = COM_LoadMallocFile(va("%s.jpg", texturename))))
return tex;
return NULL;
}
void SWMod_LoadAlias3Model (model_t *mod, void *buffer)
{
int i, j;
mmdl_t *pmodel;
aliashdr_t *pheader;
md3Header_t *pinmodel;
mstvert_t *pstverts;
md3St_t *pinstverts;
mtriangle_t *ptri;
md3Triangle_t *pintriangles;
int version, numframes, numskins;
int size;
md3Frame_t *pinframe;
maliasframedesc_t *poutframe;
maliasskindesc_t *pskindesc;
int skinsize;
int start, end, total;
dtrivertx_t *frameverts;
md3XyzNormal_t *pinverts;
md3Surface_t *surface;
vec3_t mins, maxs;
if (!strcmp(loadmodel->name, "progs/player.mdl") ||
!strcmp(loadmodel->name, "progs/eyes.mdl")) {
unsigned short crc;
qbyte *p;
int len;
char st[40];
CRC_Init(&crc);
for (len = com_filesize, p = buffer; len; len--, p++)
CRC_ProcessByte(&crc, *p);
sprintf(st, "%d", (int) crc);
Info_SetValueForKey (cls.userinfo,
!strcmp(loadmodel->name, "progs/player.mdl") ? pmodel_name : emodel_name,
st, MAX_INFO_STRING);
if (cls.state >= ca_connected)
{
CL_SendClientCommand(true, "setinfo %s %d",
!strcmp(loadmodel->name, "progs/player.mdl") ? pmodel_name : emodel_name,
(int)crc);
}
}
start = Hunk_LowMark ();
pinmodel = (md3Header_t *)buffer;
version = LittleLong (pinmodel->version);
// if (version != MD3ALIAS_VERSION)
// Sys_Error ("%s has wrong version number (%i should be %i)",
// mod->name, version, MD3ALIAS_VERSION);
surface = (md3Surface_t*)((qbyte *)pinmodel + pinmodel->ofsSurfaces);
//
// allocate space for a working header, plus all the data except the frames,
// skin and group info
//
size = sizeof (aliashdr_t) + (LittleLong (pinmodel->numFrames) - 1) *
sizeof (pheader->frames[0]) +
sizeof (mmdl_t) +
LittleLong (surface->numVerts) * sizeof (mstvert_t) +
LittleLong (surface->numTriangles) * sizeof (mtriangle_t);
pheader = Hunk_AllocName (size, loadname);
pmodel = (mmdl_t *) ((qbyte *)&pheader[1] +
(LittleLong (surface->numFrames) - 1) *
sizeof (pheader->frames[0]));
mod->flags = 0;//LittleLong (pinmodel->flags);
//
// endian-adjust and copy the data, starting with the alias model header
//
pmodel->boundingradius = 100;//LittleFloat (pinmodel->boundingradius);
pmodel->numskins = LittleLong (surface->numShaders);
// pmodel->skinwidth = LittleLong (pinmodel->skinwidth); //fill in later.
// pmodel->skinheight = LittleLong (pinmodel->skinheight);
if (pmodel->skinheight > MAX_LBM_HEIGHT)
Sys_Error ("model %s has a skin taller than %d", mod->name,
MAX_LBM_HEIGHT);
pmodel->numverts = LittleLong (surface->numVerts);
pmodel->numstverts = LittleLong (surface->numVerts);
if (surface->numVerts <= 0)
Sys_Error ("model %s has no vertices", mod->name);
if (pmodel->numverts > MAXALIASVERTS)
Sys_Error ("model %s has too many vertices", mod->name);
pmodel->numtris = LittleLong (surface->numTriangles);
if (pmodel->numtris <= 0)
Sys_Error ("model %s has no triangles", mod->name);
pmodel->numframes = LittleLong (surface->numFrames);
pmodel->size = 1000;//LittleFloat (pinmodel->size) * ALIAS_BASE_SIZE_RATIO;
mod->synctype = 1;//LittleLong (pinmodel->synctype);
mod->numframes = pmodel->numframes;
for (i=0 ; i<3 ; i++)
{
pmodel->scale[i] = 0;
pmodel->scale_origin[i] = 0;
pmodel->eyeposition[i] = 0;
}
numskins = pmodel->numskins;
numframes = pmodel->numframes;
pheader->model = (qbyte *)pmodel - (qbyte *)pheader;
{
int width;
int height;
int j;
qbyte *buffer;
qbyte *texture;
md3Shader_t *pinskin;
qbyte *skin;
pmodel->numskins = 0;
pinskin = (md3Shader_t *)((qbyte *)surface + surface->ofsShaders);
skinsize = pmodel->skinheight * pmodel->skinwidth;
pskindesc = Hunk_AllocName (numskins * sizeof (maliasskindesc_t),
loadname);
pheader->skindesc = (qbyte *)pskindesc - (qbyte *)pheader;
for (i=0 ; i<numskins ; i++, pinskin++)
{
buffer = LoadTextureFile(pinskin->name);
if (!buffer)
{
char altname[256];
strcpy(altname, mod->name); //backup
strcpy(COM_SkipPath(altname), COM_SkipPath(pinskin->name));
buffer = LoadTextureFile(altname);
}
if (!buffer)
{
Con_Printf("Skin %s not found\n", pinskin->name);
continue;
}
texture = ReadTargaFile(buffer, com_filesize, &width, &height, false);
#ifdef AVAIL_JPEGLIB
if (!texture)
texture = ReadJPEGFile(buffer, com_filesize, &width, &height);
#endif
#ifdef AVAIL_PNGLIB
if (!texture)
texture = ReadPNGFile(buffer, com_filesize, &width, &height);
#endif
if (!texture)
texture = ReadPCXFile(buffer, com_filesize, &width, &height);
BZ_Free(buffer);
if (!texture)
{
Con_Printf("Skin %s filetype not recognised\n", pinskin->name);
continue;
}
if (!pmodel->numskins) //this is the first skin.
{
pmodel->skinwidth = width;
pmodel->skinheight = height;
}
skinsize = width*height;
if (width != pmodel->skinwidth || height != pmodel->skinheight) //FIXME: scale
{
BZ_Free(texture);
Con_Printf("Skin %s not same size as model specifies it should be\n", pinskin->name);
continue;
}
skin = Hunk_AllocName(skinsize*r_pixbytes, loadname);
if (r_pixbytes == 4)
{
for (j = 0; j < skinsize*4; j+=4)
{
skin[j+0] = texture[j+2];
skin[j+1] = texture[j+1];
skin[j+2] = texture[j+0];
skin[j+3] = texture[j+3];
}
}
else
{
for (j = 0; j < skinsize; j++) //you know when you've been palettized.
{
skin[j+0] = GetPalette(texture[j*4+0], texture[j*4+1], texture[j*4+2]);
}
}
BZ_Free(texture);
pskindesc[pmodel->numskins].type = ALIAS_SKIN_SINGLE;
pskindesc[pmodel->numskins].skin = (qbyte *)skin - (qbyte *)pheader;
pmodel->numskins++;
}
}
if (!pmodel->numskins)
Con_Printf("model %s has no skins\n", loadmodel->name);
if (pmodel->skinwidth & 0x03)
Sys_Error ("Mod_LoadAliasModel: skinwidth not multiple of 4");
//
// set base s and t vertices
//
pstverts = (mstvert_t *)&pmodel[1];
pinstverts = (md3St_t *)((qbyte *)surface + LittleLong(surface->ofsSt));
pheader->stverts = (qbyte *)pstverts - (qbyte *)pheader;
for (i=0 ; i<pmodel->numstverts ; i++)
{
// put s and t in 16.16 format
pstverts[i].s = (int)(LittleFloat (pinstverts[i].s)*pmodel->skinwidth)<<16;
pstverts[i].t = (int)(LittleFloat (pinstverts[i].t)*pmodel->skinheight)<<16;
}
//
// set up the triangles
//
ptri = (mtriangle_t *)&pstverts[pmodel->numstverts];
pintriangles = (md3Triangle_t *)((qbyte *)surface + LittleLong(surface->ofsTriangles));
pheader->triangles = (qbyte *)ptri - (qbyte *)pheader;
for (i=0 ; i<pmodel->numtris ; i++)
{
int j;
for (j=0 ; j<3 ; j++)
{
ptri[i].st_index[j] = ptri[i].xyz_index[j] = LittleLong (pintriangles[i].indexes[j]);
}
}
//
// load the frames
//
if (numframes < 1)
Sys_Error ("Mod_LoadAliasModel: Invalid # of frames: %d\n", numframes);
pinverts = (md3XyzNormal_t *)((qbyte *)surface + surface->ofsXyzNormals);
for (i=0 ; i<numframes ; i++)
{
pinframe = (md3Frame_t *) ((qbyte *)pinmodel
+ LittleLong(pinmodel->ofsFrames) + i * sizeof(md3Frame_t));
poutframe = &pheader->frames[i];
memcpy (poutframe->name, pinframe->name, sizeof(poutframe->name));
for (j=0 ; j<3 ; j++)
{
poutframe->scale_origin[j] = LittleFloat (pinframe->bounds[0][j]);
poutframe->scale[j] = (LittleFloat (pinframe->bounds[1][j])-poutframe->scale_origin[j])/255;
}
VectorCopy (poutframe->scale_origin, mins); //work out precise size.
VectorMA (mins, 255, poutframe->scale, maxs);
poutframe->bboxmin.v[0] = poutframe->bboxmin.v[1] = poutframe->bboxmin.v[2] = 0;
poutframe->bboxmax.v[0] = poutframe->bboxmax.v[1] = poutframe->bboxmax.v[2] = 255;
if (i == 0)
{
VectorCopy (mins, mod->mins); //first frame - nothing to compare against.
VectorCopy (maxs, mod->maxs);
}
else
{
for (j = 0; j < 3; j++)
{
if (mod->mins[j] > mins[j]) //and make sure that the biggest ends up as the model size.
mod->mins[j] = mins[j];
if (mod->maxs[j] < maxs[j])
mod->maxs[j] = maxs[j];
}
}
// verts are all 8 bit, so no swapping needed
frameverts = Hunk_AllocName(pmodel->numverts*sizeof(dtrivertx_t), loadname);
poutframe->frame = (qbyte *)frameverts - (qbyte *)pheader;
for (j = 0; j < pmodel->numverts; j++)
{
frameverts[j].lightnormalindex = LittleShort(pinverts->normal)/256;
//scale down to 0 - 255 within the scaleorigin and scaleorigin+scale*255
// i/64 = scaleorigin+scale*o
// i/64-scaleorigin = scale*o
// i/64-scaleorigin/scale = 0
frameverts[j].v[0] = ((double)LittleShort(pinverts[j].xyz[0])/64.0-poutframe->scale_origin[0])/(poutframe->scale[0]);
frameverts[j].v[1] = ((double)LittleShort(pinverts[j].xyz[1])/64.0-poutframe->scale_origin[1])/(poutframe->scale[1]);
frameverts[j].v[2] = ((double)LittleShort(pinverts[j].xyz[2])/64.0-poutframe->scale_origin[2])/(poutframe->scale[2]);
}
pinverts += pmodel->numverts;
}
VectorCopy (mod->mins, pmodel->scale_origin); //work out global scale
pmodel->scale[0] = (mod->maxs[0] - mod->mins[0])/255;
pmodel->scale[1] = (mod->maxs[1] - mod->mins[1])/255;
pmodel->scale[2] = (mod->maxs[2] - mod->mins[2])/255;
mod->type = mod_alias;
//
// move the complete, relocatable alias model to the cache
//
end = Hunk_LowMark ();
total = end - start;
Cache_Alloc (&mod->cache, total, loadname);
if (!mod->cache.data)
return;
memcpy (mod->cache.data, pheader, total);
Hunk_FreeToLowMark (start);
#ifdef RGLQUAKE
mod->flags = Mod_ReadFlagsFromMD1(mod->name, 0);
#endif
}
//=============================================================================
/*
=================
Mod_LoadSpriteFrame
=================
*/
void * SWMod_LoadSpriteFrame (void * pin, mspriteframe_t **ppframe, int version)
{
dspriteframe_t *pinframe;
mspriteframe_t *pspriteframe;
int i, width, height, size, origin[2];
pinframe = (dspriteframe_t *)pin;
width = LittleLong (pinframe->width);
height = LittleLong (pinframe->height);
size = width * height;
pspriteframe = Hunk_AllocName (sizeof (mspriteframe_t) + size*r_pixbytes,
loadname);
Q_memset (pspriteframe, 0, sizeof (mspriteframe_t) + size);
*ppframe = pspriteframe;
pspriteframe->width = width;
pspriteframe->height = height;
origin[0] = LittleLong (pinframe->origin[0]);
origin[1] = LittleLong (pinframe->origin[1]);
pspriteframe->up = origin[1];
pspriteframe->down = origin[1] - height;
pspriteframe->left = origin[0];
pspriteframe->right = width + origin[0];
if (r_pixbytes == 1)
{
qbyte *ppixout, *ppixin;
if (version == SPRITE32_VERSION)
{ //downgrade quality
ppixin = (unsigned char *)(pinframe + 1);
ppixout = (unsigned char *)&pspriteframe->pixels[0];
for (i=0 ; i<size ; i++)
{
if (ppixin[i*4+3] < 128)
ppixout[i] = 255; //transparent.
else
ppixout[i] = GetPalette(ppixin[i*4], ppixin[i*4+1], ppixin[i*4+2]);
}
}
else
Q_memcpy (&pspriteframe->pixels[0], (qbyte *)(pinframe + 1), size);
}
else if (r_pixbytes == 2)
{
qbyte *ppixin;
unsigned short *p16out;
if (version == SPRITE32_VERSION)
{ //downgrade quality
ppixin = (unsigned char *)(pinframe + 1);
p16out = (unsigned short *)&pspriteframe->pixels[0];
for (i=0 ; i<size ; i++)
{
if (ppixin[i*4+3] < 128)
p16out[i] = 0xffff; //transparent.
else
p16out[i] = ((ppixin[i*4]*32/255)<<10) + ((ppixin[i*4+1]*32/255)<<5) + ((ppixin[i*4+2]*32/255)<<0);
}
}
else
{
ppixin = (unsigned char *)(pinframe + 1);
p16out = (unsigned short *)&pspriteframe->pixels[0];
for (i=0 ; i<size ; i++)
{
if (ppixin[i] == 255)
p16out[i] = 0xffff; //transparent.
else
p16out[i] = d_8to16table[ppixin[i]];
}
}
}
else if (r_pixbytes == 4)
{
unsigned int *p32out;
if (version == SPRITE32_VERSION)
{ //copy accross
unsigned int *p32in;
p32in = (unsigned int *)(pinframe + 1);
p32out = (unsigned int *)&pspriteframe->pixels[0];
for (i=0 ; i<size ; i++)
p32out[i] = p32in[i];
}
else
{ //upgrade
qbyte *ppixin;
ppixin = (qbyte *)(pinframe + 1);
p32out = (unsigned int *)&pspriteframe->pixels[0];
for (i=0 ; i<size ; i++)
p32out[i] = d_8to32table[ppixin[i]];
}
}
else
{
Sys_Error ("Mod_LoadSpriteFrame: driver set invalid r_pixbytes: %d\n",
r_pixbytes);
}
return (void *)((qbyte *)pinframe + sizeof (dspriteframe_t) + size);
}
/*
=================
Mod_LoadSpriteGroup
=================
*/
void * SWMod_LoadSpriteGroup (void * pin, mspriteframe_t **ppframe, int version)
{
dspritegroup_t *pingroup;
mspritegroup_t *pspritegroup;
int i, numframes;
dspriteinterval_t *pin_intervals;
float *poutintervals;
void *ptemp;
pingroup = (dspritegroup_t *)pin;
numframes = LittleLong (pingroup->numframes);
pspritegroup = Hunk_AllocName (sizeof (mspritegroup_t) +
(numframes - 1) * sizeof (pspritegroup->frames[0]), loadname);
pspritegroup->numframes = numframes;
*ppframe = (mspriteframe_t *)pspritegroup;
pin_intervals = (dspriteinterval_t *)(pingroup + 1);
poutintervals = Hunk_AllocName (numframes * sizeof (float), loadname);
pspritegroup->intervals = poutintervals;
for (i=0 ; i<numframes ; i++)
{
*poutintervals = LittleFloat (pin_intervals->interval);
if (*poutintervals <= 0.0)
Sys_Error ("Mod_LoadSpriteGroup: interval<=0");
poutintervals++;
pin_intervals++;
}
ptemp = (void *)pin_intervals;
for (i=0 ; i<numframes ; i++)
{
ptemp = SWMod_LoadSpriteFrame (ptemp, &pspritegroup->frames[i], version);
}
return ptemp;
}
/*
=================
Mod_LoadSpriteModel
=================
*/
void SWMod_LoadSpriteModel (model_t *mod, void *buffer)
{
int i;
int version;
dsprite_t *pin;
msprite_t *psprite;
int numframes;
int size;
dspriteframetype_t *pframetype;
pin = (dsprite_t *)buffer;
version = LittleLong (pin->version);
if (version != SPRITE32_VERSION)
if (version != SPRITE_VERSION)
Sys_Error ("%s has wrong version number "
"(%i should be %i)", mod->name, version, SPRITE_VERSION);
numframes = LittleLong (pin->numframes);
size = sizeof (msprite_t) + (numframes - 1) * sizeof (psprite->frames);
psprite = Hunk_AllocName (size, loadname);
mod->cache.data = psprite;
psprite->type = LittleLong (pin->type);
psprite->maxwidth = LittleLong (pin->width);
psprite->maxheight = LittleLong (pin->height);
psprite->beamlength = LittleFloat (pin->beamlength);
mod->synctype = LittleLong (pin->synctype);
psprite->numframes = numframes;
mod->mins[0] = mod->mins[1] = -psprite->maxwidth/2;
mod->maxs[0] = mod->maxs[1] = psprite->maxwidth/2;
mod->mins[2] = -psprite->maxheight/2;
mod->maxs[2] = psprite->maxheight/2;
//
// load the frames
//
if (numframes < 1)
Sys_Error ("Mod_LoadSpriteModel: Invalid # of frames: %d\n", numframes);
mod->numframes = numframes;
pframetype = (dspriteframetype_t *)(pin + 1);
for (i=0 ; i<numframes ; i++)
{
spriteframetype_t frametype;
frametype = LittleLong (pframetype->type);
psprite->frames[i].type = frametype;
if (frametype == SPR_SINGLE)
{
pframetype = (dspriteframetype_t *)
SWMod_LoadSpriteFrame (pframetype + 1,
&psprite->frames[i].frameptr, version);
}
else
{
pframetype = (dspriteframetype_t *)
SWMod_LoadSpriteGroup (pframetype + 1,
&psprite->frames[i].frameptr, version);
}
}
mod->type = mod_sprite;
}
void SWMod_LoadSprite2Model (model_t *mod, void *buffer)
{
int i, j;
int version;
dmd2sprite_t *pin;
msprite_t *psprite;
int numframes;
int size;
dmd2sprframe_t *pframetype;
mspriteframe_t *frame;
float origin[2];
int width;
int height;
qbyte *framefile;
qbyte *framedata;
pin = (dmd2sprite_t *)buffer;
version = LittleLong (pin->version);
if (version != SPRITE2_VERSION)
Sys_Error ("%s has wrong version number "
"(%i should be %i)", mod->name, version, SPRITE2_VERSION);
numframes = LittleLong (pin->numframes);
size = sizeof (msprite_t) + (numframes - 1) * sizeof (psprite->frames);
psprite = Hunk_AllocName (size, loadname);
mod->cache.data = psprite;
psprite->type = SPR_VP_PARALLEL;
psprite->maxwidth = 1;
psprite->maxheight = 1;
psprite->beamlength = 1;
mod->synctype = 0;
psprite->numframes = numframes;
mod->mins[0] = mod->mins[1] = -psprite->maxwidth/2;
mod->maxs[0] = mod->maxs[1] = psprite->maxwidth/2;
mod->mins[2] = -psprite->maxheight/2;
mod->maxs[2] = psprite->maxheight/2;
//
// load the frames
//
if (numframes < 1)
Sys_Error ("Mod_LoadSpriteModel: Invalid # of frames: %d\n", numframes);
mod->numframes = 0;
pframetype = pin->frames;
for (i=0 ; i<numframes ; i++)
{
psprite->frames[mod->numframes].type = SPR_SINGLE;
width = LittleLong(pframetype->width);
height = LittleLong(pframetype->height);
framefile = COM_LoadMallocFile(pframetype->name);
if (!framefile)
{
Con_Printf("Couldn't open sprite frame %s\n", pframetype->name);
continue; //skip this frame - is this a bad idea?
}
framedata = ReadPCXFile(framefile, com_filesize, &width, &height);
BZ_Free(framefile);
if (!framedata)
{
Con_Printf("Sprite frame %s is not a pcx\n", pframetype->name);
continue; //skip this frame - is this a bad idea?
}
frame = psprite->frames[mod->numframes].frameptr = Hunk_AllocName(sizeof(mspriteframe_t)+width*r_pixbytes*height, loadname);
frame->width = width;
frame->height = height;
origin[0] = LittleLong (pframetype->origin_x);
origin[1] = LittleLong (pframetype->origin_y);
frame->up = -origin[1];
frame->down = frame->height - origin[1];
frame->left = -origin[0];
frame->right = frame->width - origin[0];
if (r_pixbytes == 4)
{
for (j = 0; j < width*height; j++)
{
frame->pixels[j*4+0] = framedata[j*4+2];
frame->pixels[j*4+1] = framedata[j*4+1];
frame->pixels[j*4+2] = framedata[j*4+0];
frame->pixels[j*4+3] = framedata[j*4+3];
}
}
else
{
for (j = 0; j < width*height; j++)
{
if (!framedata[j*4+3]) //make sure
frame->pixels[j] = 255;
else
frame->pixels[j] = GetPalette(framedata[j*4+0], framedata[j*4+1], framedata[j*4+2]);
}
}
BZ_Free(framedata);
mod->numframes++;
}
mod->type = mod_sprite;
}
//=============================================================================
#endif
/*
================
Mod_Print
================
*/
void SWMod_Print (void)
{
int i;
model_t *mod;
Con_Printf ("Cached models:\n");
for (i=0, mod=mod_known ; i < mod_numknown ; i++, mod++)
{
Con_Printf ("%8p : %s\n",mod->cache.data, mod->name);
}
}