Removed accidental upload of copyrighted map files

1 files changed, 1874 insertions, 1874 deletions

diff --git a/WinQuake/model.c b/WinQuake/model.c
index e3bd9fb..c708c86 100644
--- a/WinQuake/model.c
+++ b/WinQuake/model.c
@@ -1,1874 +1,1874 @@
-/*
-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 Mod_LoadSpriteModel (model_t *mod, void *buffer);
-void Mod_LoadBrushModel (model_t *mod, void *buffer);
-void Mod_LoadAliasModel (model_t *mod, void *buffer);
-model_t *Mod_LoadModel (model_t *mod, qboolean crash);
-
-byte	mod_novis[MAX_MAP_LEAFS/8];
-
-#define	MAX_MOD_KNOWN	256
-model_t	mod_known[MAX_MOD_KNOWN];
-int		mod_numknown;
-
-// values for model_t's needload
-#define NL_PRESENT		0
-#define NL_NEEDS_LOADED	1
-#define NL_UNREFERENCED	2
-
-/*
-===============
-Mod_Init
-===============
-*/
-void Mod_Init (void)
-{
-	memset (mod_novis, 0xff, sizeof(mod_novis));
-}
-
-/*
-===============
-Mod_Extradata
-
-Caches the data if needed
-===============
-*/
-void *Mod_Extradata (model_t *mod)
-{
-	void	*r;
-	
-	r = Cache_Check (&mod->cache);
-	if (r)
-		return r;
-
-	Mod_LoadModel (mod, true);
-	
-	if (!mod->cache.data)
-		Sys_Error ("Mod_Extradata: caching failed");
-	return mod->cache.data;
-}
-
-/*
-===============
-Mod_PointInLeaf
-===============
-*/
-mleaf_t *Mod_PointInLeaf (vec3_t p, model_t *model)
-{
-	mnode_t		*node;
-	float		d;
-	mplane_t	*plane;
-	
-	if (!model || !model->nodes)
-		Sys_Error ("Mod_PointInLeaf: bad model");
-
-	node = model->nodes;
-	while (1)
-	{
-		if (node->contents < 0)
-			return (mleaf_t *)node;
-		plane = node->plane;
-		d = DotProduct (p,plane->normal) - plane->dist;
-		if (d > 0)
-			node = node->children[0];
-		else
-			node = node->children[1];
-	}
-	
-	return NULL;	// never reached
-}
-
-
-/*
-===================
-Mod_DecompressVis
-===================
-*/
-byte *Mod_DecompressVis (byte *in, model_t *model)
-{
-	static byte	decompressed[MAX_MAP_LEAFS/8];
-	int		c;
-	byte	*out;
-	int		row;
-
-	row = (model->numleafs+7)>>3;	
-	out = decompressed;
-
-	if (!in)
-	{	// no vis info, so make all visible
-		while (row)
-		{
-			*out++ = 0xff;
-			row--;
-		}
-		return decompressed;		
-	}
-
-	do
-	{
-		if (*in)
-		{
-			*out++ = *in++;
-			continue;
-		}
-	
-		c = in[1];
-		in += 2;
-		while (c)
-		{
-			*out++ = 0;
-			c--;
-		}
-	} while (out - decompressed < row);
-	
-	return decompressed;
-}
-
-byte *Mod_LeafPVS (mleaf_t *leaf, model_t *model)
-{
-	if (leaf == model->leafs)
-		return mod_novis;
-	return Mod_DecompressVis (leaf->compressed_vis, model);
-}
-
-/*
-===================
-Mod_ClearAll
-===================
-*/
-void Mod_ClearAll (void)
-{
-	int		i;
-	model_t	*mod;
-
-
-	for (i=0 , mod=mod_known ; i<mod_numknown ; i++, mod++) {
-		mod->needload = NL_UNREFERENCED;
-//FIX FOR CACHE_ALLOC ERRORS:
-		if (mod->type == mod_sprite) mod->cache.data = NULL;
-	}
-}
-
-/*
-==================
-Mod_FindName
-
-==================
-*/
-model_t *Mod_FindName (char *name)
-{
-	int		i;
-	model_t	*mod;
-	model_t	*avail = NULL;
-
-	if (!name[0])
-		Sys_Error ("Mod_ForName: NULL name");
-		
-//
-// search the currently loaded models
-//
-	for (i=0 , mod=mod_known ; i<mod_numknown ; i++, mod++)
-	{
-		if (!strcmp (mod->name, name) )
-			break;
-		if (mod->needload == NL_UNREFERENCED)
-			if (!avail || mod->type != mod_alias)
-				avail = mod;
-	}
-			
-	if (i == mod_numknown)
-	{
-		if (mod_numknown == MAX_MOD_KNOWN)
-		{
-			if (avail)
-			{
-				mod = avail;
-				if (mod->type == mod_alias)
-					if (Cache_Check (&mod->cache))
-						Cache_Free (&mod->cache);
-			}
-			else
-				Sys_Error ("mod_numknown == MAX_MOD_KNOWN");
-		}
-		else
-			mod_numknown++;
-		strcpy (mod->name, name);
-		mod->needload = NL_NEEDS_LOADED;
-	}
-
-	return mod;
-}
-
-/*
-==================
-Mod_TouchModel
-
-==================
-*/
-void Mod_TouchModel (char *name)
-{
-	model_t	*mod;
-	
-	mod = Mod_FindName (name);
-	
-	if (mod->needload == NL_PRESENT)
-	{
-		if (mod->type == mod_alias)
-			Cache_Check (&mod->cache);
-	}
-}
-
-/*
-==================
-Mod_LoadModel
-
-Loads a model into the cache
-==================
-*/
-model_t *Mod_LoadModel (model_t *mod, qboolean crash)
-{
-	unsigned *buf;
-	byte	stackbuf[1024];		// avoid dirtying the cache heap
-
-	if (mod->type == mod_alias)
-	{
-		if (Cache_Check (&mod->cache))
-		{
-			mod->needload = NL_PRESENT;
-			return mod;
-		}
-	}
-	else
-	{
-		if (mod->needload == NL_PRESENT)
-			return mod;
-	}
-
-//
-// because the world is so huge, load it one piece at a time
-//
-	
-//
-// load the file
-//
-	buf = (unsigned *)COM_LoadStackFile (mod->name, stackbuf, sizeof(stackbuf));
-	if (!buf)
-	{
-		if (crash)
-			Sys_Error ("Mod_NumForName: %s not found", mod->name);
-		return NULL;
-	}
-	
-//
-// allocate a new model
-//
-	COM_FileBase (mod->name, loadname);
-	
-	loadmodel = mod;
-
-//
-// fill it in
-//
-
-// call the apropriate loader
-	mod->needload = NL_PRESENT;
-
-	switch (LittleLong(*(unsigned *)buf))
-	{
-	case IDPOLYHEADER:
-		Mod_LoadAliasModel (mod, buf);
-		break;
-		
-	case IDSPRITEHEADER:
-		Mod_LoadSpriteModel (mod, buf);
-		break;
-	
-	default:
-		Mod_LoadBrushModel (mod, buf);
-		break;
-	}
-
-	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) )
-			Sys_Error ("Texture %s is not 16 aligned", mt->name);
-		pixels = mt->width*mt->height/64*85;
-		tx = Hunk_AllocName (sizeof(texture_t) +pixels, loadname );
-		loadmodel->textures[i] = tx;
-
-		memcpy (tx->name, mt->name, sizeof(tx->name));
-		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);
-	}
-
-//
-// 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];
-		}
-	}
-}
-
-/*
-=================
-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))
-		Sys_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))
-		Sys_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))
-		Sys_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))
-		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;
-			}
-		}
-	}
-}
-
-/*
-================
-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] > 256)
-			Sys_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))
-		Sys_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 (!Q_strncmp(out->texinfo->texture->name,"sky",3))	// sky
-		{
-			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;
-		}
-	}
-}
-
-
-/*
-=================
-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))
-		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));
-		}
-	}
-	
-	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;
-
-	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];
-	}	
-}
-
-/*
-=================
-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))
-		Sys_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))
-		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 Mod_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*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))
-		Sys_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)
-		Sys_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]);
-
-// 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
-	mod->flags = 0;
-	
-//
-// 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;
-		}
-	}
-}
-
-/*
-==============================================================================
-
-ALIAS MODELS
-
-==============================================================================
-*/
-
-/*
-=================
-Mod_LoadAliasFrame
-=================
-*/
-void * Mod_LoadAliasFrame (void * pin, int *pframeindex, int numv,
-	trivertx_t *pbboxmin, trivertx_t *pbboxmax, aliashdr_t *pheader, char *name)
-{
-	trivertx_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 = (trivertx_t *)(pdaliasframe + 1);
-	pframe = Hunk_AllocName (numv * sizeof(*pframe), loadname);
-
-	*pframeindex = (byte *)pframe - (byte *)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 * Mod_LoadAliasGroup (void * pin, int *pframeindex, int numv,
-	trivertx_t *pbboxmin, trivertx_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 = (byte *)paliasgroup - (byte *)pheader;
-
-	pin_intervals = (daliasinterval_t *)(pingroup + 1);
-
-	poutintervals = Hunk_AllocName (numframes * sizeof (float), loadname);
-
-	paliasgroup->intervals = (byte *)poutintervals - (byte *)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 = Mod_LoadAliasFrame (ptemp,
-									&paliasgroup->frames[i].frame,
-									numv,
-									&paliasgroup->frames[i].bboxmin,
-									&paliasgroup->frames[i].bboxmax,
-									pheader, name);
-	}
-
-	return ptemp;
-}
-
-
-/*
-=================
-Mod_LoadAliasSkin
-=================
-*/
-void * Mod_LoadAliasSkin (void * pin, int *pskinindex, int skinsize,
-	aliashdr_t *pheader)
-{
-	int		i;
-	byte	*pskin, *pinskin;
-	unsigned short	*pusskin;
-
-	pskin = Hunk_AllocName (skinsize * r_pixbytes, loadname);
-	pinskin = (byte *)pin;
-	*pskinindex = (byte *)pskin - (byte *)pheader;
-
-	if (r_pixbytes == 1)
-	{
-		Q_memcpy (pskin, pinskin, skinsize);
-	}
-	else if (r_pixbytes == 2)
-	{
-		pusskin = (unsigned short *)pskin;
-
-		for (i=0 ; i<skinsize ; i++)
-			pusskin[i] = d_8to16table[pinskin[i]];
-	}
-	else
-	{
-		Sys_Error ("Mod_LoadAliasSkin: driver set invalid r_pixbytes: %d\n",
-				 r_pixbytes);
-	}
-
-	pinskin += skinsize;
-
-	return ((void *)pinskin);
-}
-
-
-/*
-=================
-Mod_LoadAliasSkinGroup
-=================
-*/
-void * Mod_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 = (byte *)paliasskingroup - (byte *)pheader;
-
-	pinskinintervals = (daliasskininterval_t *)(pinskingroup + 1);
-
-	poutskinintervals = Hunk_AllocName (numskins * sizeof (float),loadname);
-
-	paliasskingroup->intervals = (byte *)poutskinintervals - (byte *)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 = Mod_LoadAliasSkin (ptemp,
-				&paliasskingroup->skindescs[i].skin, skinsize, pheader);
-	}
-
-	return ptemp;
-}
-
-
-/*
-=================
-Mod_LoadAliasModel
-=================
-*/
-void Mod_LoadAliasModel (model_t *mod, void *buffer)
-{
-	int					i;
-	mdl_t				*pmodel, *pinmodel;
-	stvert_t			*pstverts, *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;
-	
-	start = Hunk_LowMark ();
-
-	pinmodel = (mdl_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 (mdl_t) +
-			LittleLong (pinmodel->numverts) * sizeof (stvert_t) +
-			LittleLong (pinmodel->numtris) * sizeof (mtriangle_t);
-
-	pheader = Hunk_AllocName (size, loadname);
-	pmodel = (mdl_t *) ((byte *)&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->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: skinwidth not multiple of 4");
-
-	pheader->model = (byte *)pmodel - (byte *)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 = (byte *)pskindesc - (byte *)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 *)
-					Mod_LoadAliasSkin (pskintype + 1,
-									   &pskindesc[i].skin,
-									   skinsize, pheader);
-		}
-		else
-		{
-			pskintype = (daliasskintype_t *)
-					Mod_LoadAliasSkinGroup (pskintype + 1,
-											&pskindesc[i].skin,
-											skinsize, pheader);
-		}
-	}
-
-//
-// set base s and t vertices
-//
-	pstverts = (stvert_t *)&pmodel[1];
-	pinstverts = (stvert_t *)pskintype;
-
-	pheader->stverts = (byte *)pstverts - (byte *)pheader;
-
-	for (i=0 ; i<pmodel->numverts ; i++)
-	{
-		pstverts[i].onseam = LittleLong (pinstverts[i].onseam);
-	// put s and t in 16.16 format
-		pstverts[i].s = LittleLong (pinstverts[i].s) << 16;
-		pstverts[i].t = LittleLong (pinstverts[i].t) << 16;
-	}
-
-//
-// set up the triangles
-//
-	ptri = (mtriangle_t *)&pstverts[pmodel->numverts];
-	pintriangles = (dtriangle_t *)&pinstverts[pmodel->numverts];
-
-	pheader->triangles = (byte *)ptri - (byte *)pheader;
-
-	for (i=0 ; i<pmodel->numtris ; i++)
-	{
-		int		j;
-
-		ptri[i].facesfront = LittleLong (pintriangles[i].facesfront);
-
-		for (j=0 ; j<3 ; j++)
-		{
-			ptri[i].vertindex[j] =
-					LittleLong (pintriangles[i].vertindex[j]);
-		}
-	}
-
-//
-// 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;
-
-		if (frametype == ALIAS_SINGLE)
-		{
-			pframetype = (daliasframetype_t *)
-					Mod_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 *)
-					Mod_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;
-
-//
-// 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);
-}
-
-//=============================================================================
-
-/*
-=================
-Mod_LoadSpriteFrame
-=================
-*/
-void * Mod_LoadSpriteFrame (void * pin, mspriteframe_t **ppframe)
-{
-	dspriteframe_t		*pinframe;
-	mspriteframe_t		*pspriteframe;
-	int					i, width, height, size, origin[2];
-	unsigned short		*ppixout;
-	byte				*ppixin;
-
-	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)
-	{
-		Q_memcpy (&pspriteframe->pixels[0], (byte *)(pinframe + 1), size);
-	}
-	else if (r_pixbytes == 2)
-	{
-		ppixin = (byte *)(pinframe + 1);
-		ppixout = (unsigned short *)&pspriteframe->pixels[0];
-
-		for (i=0 ; i<size ; i++)
-			ppixout[i] = d_8to16table[ppixin[i]];
-	}
-	else
-	{
-		Sys_Error ("Mod_LoadSpriteFrame: driver set invalid r_pixbytes: %d\n",
-				 r_pixbytes);
-	}
-
-	return (void *)((byte *)pinframe + sizeof (dspriteframe_t) + size);
-}
-
-
-/*
-=================
-Mod_LoadSpriteGroup
-=================
-*/
-void * Mod_LoadSpriteGroup (void * pin, mspriteframe_t **ppframe)
-{
-	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 = Mod_LoadSpriteFrame (ptemp, &pspritegroup->frames[i]);
-	}
-
-	return ptemp;
-}
-
-
-/*
-=================
-Mod_LoadSpriteModel
-=================
-*/
-void Mod_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 != 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;
-	mod->flags = 0;
-
-	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 *)
-					Mod_LoadSpriteFrame (pframetype + 1,
-										 &psprite->frames[i].frameptr);
-		}
-		else
-		{
-			pframetype = (dspriteframetype_t *)
-					Mod_LoadSpriteGroup (pframetype + 1,
-										 &psprite->frames[i].frameptr);
-		}
-	}
-
-	mod->type = mod_sprite;
-}
-
-//=============================================================================
-
-/*
-================
-Mod_Print
-================
-*/
-void Mod_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",mod->cache.data, mod->name);
-		if (mod->needload & NL_UNREFERENCED)
-			Con_Printf (" (!R)");
-		if (mod->needload & NL_NEEDS_LOADED)
-			Con_Printf (" (!P)");
-		Con_Printf ("\n");
-	}
-}
-
-
+/*

+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 Mod_LoadSpriteModel (model_t *mod, void *buffer);

+void Mod_LoadBrushModel (model_t *mod, void *buffer);

+void Mod_LoadAliasModel (model_t *mod, void *buffer);

+model_t *Mod_LoadModel (model_t *mod, qboolean crash);

+

+byte	mod_novis[MAX_MAP_LEAFS/8];

+

+#define	MAX_MOD_KNOWN	256

+model_t	mod_known[MAX_MOD_KNOWN];

+int		mod_numknown;

+

+// values for model_t's needload

+#define NL_PRESENT		0

+#define NL_NEEDS_LOADED	1

+#define NL_UNREFERENCED	2

+

+/*

+===============

+Mod_Init

+===============

+*/

+void Mod_Init (void)

+{

+	memset (mod_novis, 0xff, sizeof(mod_novis));

+}

+

+/*

+===============

+Mod_Extradata

+

+Caches the data if needed

+===============

+*/

+void *Mod_Extradata (model_t *mod)

+{

+	void	*r;

+	

+	r = Cache_Check (&mod->cache);

+	if (r)

+		return r;

+

+	Mod_LoadModel (mod, true);

+	

+	if (!mod->cache.data)

+		Sys_Error ("Mod_Extradata: caching failed");

+	return mod->cache.data;

+}

+

+/*

+===============

+Mod_PointInLeaf

+===============

+*/

+mleaf_t *Mod_PointInLeaf (vec3_t p, model_t *model)

+{

+	mnode_t		*node;

+	float		d;

+	mplane_t	*plane;

+	

+	if (!model || !model->nodes)

+		Sys_Error ("Mod_PointInLeaf: bad model");

+

+	node = model->nodes;

+	while (1)

+	{

+		if (node->contents < 0)

+			return (mleaf_t *)node;

+		plane = node->plane;

+		d = DotProduct (p,plane->normal) - plane->dist;

+		if (d > 0)

+			node = node->children[0];

+		else

+			node = node->children[1];

+	}

+	

+	return NULL;	// never reached

+}

+

+

+/*

+===================

+Mod_DecompressVis

+===================

+*/

+byte *Mod_DecompressVis (byte *in, model_t *model)

+{

+	static byte	decompressed[MAX_MAP_LEAFS/8];

+	int		c;

+	byte	*out;

+	int		row;

+

+	row = (model->numleafs+7)>>3;	

+	out = decompressed;

+

+	if (!in)

+	{	// no vis info, so make all visible

+		while (row)

+		{

+			*out++ = 0xff;

+			row--;

+		}

+		return decompressed;		

+	}

+

+	do

+	{

+		if (*in)

+		{

+			*out++ = *in++;

+			continue;

+		}

+	

+		c = in[1];

+		in += 2;

+		while (c)

+		{

+			*out++ = 0;

+			c--;

+		}

+	} while (out - decompressed < row);

+	

+	return decompressed;

+}

+

+byte *Mod_LeafPVS (mleaf_t *leaf, model_t *model)

+{

+	if (leaf == model->leafs)

+		return mod_novis;

+	return Mod_DecompressVis (leaf->compressed_vis, model);

+}

+

+/*

+===================

+Mod_ClearAll

+===================

+*/

+void Mod_ClearAll (void)

+{

+	int		i;

+	model_t	*mod;

+

+

+	for (i=0 , mod=mod_known ; i<mod_numknown ; i++, mod++) {

+		mod->needload = NL_UNREFERENCED;

+//FIX FOR CACHE_ALLOC ERRORS:

+		if (mod->type == mod_sprite) mod->cache.data = NULL;

+	}

+}

+

+/*

+==================

+Mod_FindName

+

+==================

+*/

+model_t *Mod_FindName (char *name)

+{

+	int		i;

+	model_t	*mod;

+	model_t	*avail = NULL;

+

+	if (!name[0])

+		Sys_Error ("Mod_ForName: NULL name");

+		

+//

+// search the currently loaded models

+//

+	for (i=0 , mod=mod_known ; i<mod_numknown ; i++, mod++)

+	{

+		if (!strcmp (mod->name, name) )

+			break;

+		if (mod->needload == NL_UNREFERENCED)

+			if (!avail || mod->type != mod_alias)

+				avail = mod;

+	}

+			

+	if (i == mod_numknown)

+	{

+		if (mod_numknown == MAX_MOD_KNOWN)

+		{

+			if (avail)

+			{

+				mod = avail;

+				if (mod->type == mod_alias)

+					if (Cache_Check (&mod->cache))

+						Cache_Free (&mod->cache);

+			}

+			else

+				Sys_Error ("mod_numknown == MAX_MOD_KNOWN");

+		}

+		else

+			mod_numknown++;

+		strcpy (mod->name, name);

+		mod->needload = NL_NEEDS_LOADED;

+	}

+

+	return mod;

+}

+

+/*

+==================

+Mod_TouchModel

+

+==================

+*/

+void Mod_TouchModel (char *name)

+{

+	model_t	*mod;

+	

+	mod = Mod_FindName (name);

+	

+	if (mod->needload == NL_PRESENT)

+	{

+		if (mod->type == mod_alias)

+			Cache_Check (&mod->cache);

+	}

+}

+

+/*

+==================

+Mod_LoadModel

+

+Loads a model into the cache

+==================

+*/

+model_t *Mod_LoadModel (model_t *mod, qboolean crash)

+{

+	unsigned *buf;

+	byte	stackbuf[1024];		// avoid dirtying the cache heap

+

+	if (mod->type == mod_alias)

+	{

+		if (Cache_Check (&mod->cache))

+		{

+			mod->needload = NL_PRESENT;

+			return mod;

+		}

+	}

+	else

+	{

+		if (mod->needload == NL_PRESENT)

+			return mod;

+	}

+

+//

+// because the world is so huge, load it one piece at a time

+//

+	

+//

+// load the file

+//

+	buf = (unsigned *)COM_LoadStackFile (mod->name, stackbuf, sizeof(stackbuf));

+	if (!buf)

+	{

+		if (crash)

+			Sys_Error ("Mod_NumForName: %s not found", mod->name);

+		return NULL;

+	}

+	

+//

+// allocate a new model

+//

+	COM_FileBase (mod->name, loadname);

+	

+	loadmodel = mod;

+

+//

+// fill it in

+//

+

+// call the apropriate loader

+	mod->needload = NL_PRESENT;

+

+	switch (LittleLong(*(unsigned *)buf))

+	{

+	case IDPOLYHEADER:

+		Mod_LoadAliasModel (mod, buf);

+		break;

+		

+	case IDSPRITEHEADER:

+		Mod_LoadSpriteModel (mod, buf);

+		break;

+	

+	default:

+		Mod_LoadBrushModel (mod, buf);

+		break;

+	}

+

+	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) )

+			Sys_Error ("Texture %s is not 16 aligned", mt->name);

+		pixels = mt->width*mt->height/64*85;

+		tx = Hunk_AllocName (sizeof(texture_t) +pixels, loadname );

+		loadmodel->textures[i] = tx;

+

+		memcpy (tx->name, mt->name, sizeof(tx->name));

+		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);

+	}

+

+//

+// 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];

+		}

+	}

+}

+

+/*

+=================

+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))

+		Sys_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))

+		Sys_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))

+		Sys_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))

+		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;

+			}

+		}

+	}

+}

+

+/*

+================

+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] > 256)

+			Sys_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))

+		Sys_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 (!Q_strncmp(out->texinfo->texture->name,"sky",3))	// sky

+		{

+			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;

+		}

+	}

+}

+

+

+/*

+=================

+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))

+		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));

+		}

+	}

+	

+	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;

+

+	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];

+	}	

+}

+

+/*

+=================

+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))

+		Sys_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))

+		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 Mod_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*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))

+		Sys_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)

+		Sys_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]);

+

+// 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

+	mod->flags = 0;

+	

+//

+// 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;

+		}

+	}

+}

+

+/*

+==============================================================================

+

+ALIAS MODELS

+

+==============================================================================

+*/

+

+/*

+=================

+Mod_LoadAliasFrame

+=================

+*/

+void * Mod_LoadAliasFrame (void * pin, int *pframeindex, int numv,

+	trivertx_t *pbboxmin, trivertx_t *pbboxmax, aliashdr_t *pheader, char *name)

+{

+	trivertx_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 = (trivertx_t *)(pdaliasframe + 1);

+	pframe = Hunk_AllocName (numv * sizeof(*pframe), loadname);

+

+	*pframeindex = (byte *)pframe - (byte *)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 * Mod_LoadAliasGroup (void * pin, int *pframeindex, int numv,

+	trivertx_t *pbboxmin, trivertx_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 = (byte *)paliasgroup - (byte *)pheader;

+

+	pin_intervals = (daliasinterval_t *)(pingroup + 1);

+

+	poutintervals = Hunk_AllocName (numframes * sizeof (float), loadname);

+

+	paliasgroup->intervals = (byte *)poutintervals - (byte *)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 = Mod_LoadAliasFrame (ptemp,

+									&paliasgroup->frames[i].frame,

+									numv,

+									&paliasgroup->frames[i].bboxmin,

+									&paliasgroup->frames[i].bboxmax,

+									pheader, name);

+	}

+

+	return ptemp;

+}

+

+

+/*

+=================

+Mod_LoadAliasSkin

+=================

+*/

+void * Mod_LoadAliasSkin (void * pin, int *pskinindex, int skinsize,

+	aliashdr_t *pheader)

+{

+	int		i;

+	byte	*pskin, *pinskin;

+	unsigned short	*pusskin;

+

+	pskin = Hunk_AllocName (skinsize * r_pixbytes, loadname);

+	pinskin = (byte *)pin;

+	*pskinindex = (byte *)pskin - (byte *)pheader;

+

+	if (r_pixbytes == 1)

+	{

+		Q_memcpy (pskin, pinskin, skinsize);

+	}

+	else if (r_pixbytes == 2)

+	{

+		pusskin = (unsigned short *)pskin;

+

+		for (i=0 ; i<skinsize ; i++)

+			pusskin[i] = d_8to16table[pinskin[i]];

+	}

+	else

+	{

+		Sys_Error ("Mod_LoadAliasSkin: driver set invalid r_pixbytes: %d\n",

+				 r_pixbytes);

+	}

+

+	pinskin += skinsize;

+

+	return ((void *)pinskin);

+}

+

+

+/*

+=================

+Mod_LoadAliasSkinGroup

+=================

+*/

+void * Mod_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 = (byte *)paliasskingroup - (byte *)pheader;

+

+	pinskinintervals = (daliasskininterval_t *)(pinskingroup + 1);

+

+	poutskinintervals = Hunk_AllocName (numskins * sizeof (float),loadname);

+

+	paliasskingroup->intervals = (byte *)poutskinintervals - (byte *)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 = Mod_LoadAliasSkin (ptemp,

+				&paliasskingroup->skindescs[i].skin, skinsize, pheader);

+	}

+

+	return ptemp;

+}

+

+

+/*

+=================

+Mod_LoadAliasModel

+=================

+*/

+void Mod_LoadAliasModel (model_t *mod, void *buffer)

+{

+	int					i;

+	mdl_t				*pmodel, *pinmodel;

+	stvert_t			*pstverts, *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;

+	

+	start = Hunk_LowMark ();

+

+	pinmodel = (mdl_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 (mdl_t) +

+			LittleLong (pinmodel->numverts) * sizeof (stvert_t) +

+			LittleLong (pinmodel->numtris) * sizeof (mtriangle_t);

+

+	pheader = Hunk_AllocName (size, loadname);

+	pmodel = (mdl_t *) ((byte *)&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->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: skinwidth not multiple of 4");

+

+	pheader->model = (byte *)pmodel - (byte *)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 = (byte *)pskindesc - (byte *)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 *)

+					Mod_LoadAliasSkin (pskintype + 1,

+									   &pskindesc[i].skin,

+									   skinsize, pheader);

+		}

+		else

+		{

+			pskintype = (daliasskintype_t *)

+					Mod_LoadAliasSkinGroup (pskintype + 1,

+											&pskindesc[i].skin,

+											skinsize, pheader);

+		}

+	}

+

+//

+// set base s and t vertices

+//

+	pstverts = (stvert_t *)&pmodel[1];

+	pinstverts = (stvert_t *)pskintype;

+

+	pheader->stverts = (byte *)pstverts - (byte *)pheader;

+

+	for (i=0 ; i<pmodel->numverts ; i++)

+	{

+		pstverts[i].onseam = LittleLong (pinstverts[i].onseam);

+	// put s and t in 16.16 format

+		pstverts[i].s = LittleLong (pinstverts[i].s) << 16;

+		pstverts[i].t = LittleLong (pinstverts[i].t) << 16;

+	}

+

+//

+// set up the triangles

+//

+	ptri = (mtriangle_t *)&pstverts[pmodel->numverts];

+	pintriangles = (dtriangle_t *)&pinstverts[pmodel->numverts];

+

+	pheader->triangles = (byte *)ptri - (byte *)pheader;

+

+	for (i=0 ; i<pmodel->numtris ; i++)

+	{

+		int		j;

+

+		ptri[i].facesfront = LittleLong (pintriangles[i].facesfront);

+

+		for (j=0 ; j<3 ; j++)

+		{

+			ptri[i].vertindex[j] =

+					LittleLong (pintriangles[i].vertindex[j]);

+		}

+	}

+

+//

+// 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;

+

+		if (frametype == ALIAS_SINGLE)

+		{

+			pframetype = (daliasframetype_t *)

+					Mod_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 *)

+					Mod_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;

+

+//

+// 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);

+}

+

+//=============================================================================

+

+/*

+=================

+Mod_LoadSpriteFrame

+=================

+*/

+void * Mod_LoadSpriteFrame (void * pin, mspriteframe_t **ppframe)

+{

+	dspriteframe_t		*pinframe;

+	mspriteframe_t		*pspriteframe;

+	int					i, width, height, size, origin[2];

+	unsigned short		*ppixout;

+	byte				*ppixin;

+

+	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)

+	{

+		Q_memcpy (&pspriteframe->pixels[0], (byte *)(pinframe + 1), size);

+	}

+	else if (r_pixbytes == 2)

+	{

+		ppixin = (byte *)(pinframe + 1);

+		ppixout = (unsigned short *)&pspriteframe->pixels[0];

+

+		for (i=0 ; i<size ; i++)

+			ppixout[i] = d_8to16table[ppixin[i]];

+	}

+	else

+	{

+		Sys_Error ("Mod_LoadSpriteFrame: driver set invalid r_pixbytes: %d\n",

+				 r_pixbytes);

+	}

+

+	return (void *)((byte *)pinframe + sizeof (dspriteframe_t) + size);

+}

+

+

+/*

+=================

+Mod_LoadSpriteGroup

+=================

+*/

+void * Mod_LoadSpriteGroup (void * pin, mspriteframe_t **ppframe)

+{

+	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 = Mod_LoadSpriteFrame (ptemp, &pspritegroup->frames[i]);

+	}

+

+	return ptemp;

+}

+

+

+/*

+=================

+Mod_LoadSpriteModel

+=================

+*/

+void Mod_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 != 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;

+	mod->flags = 0;

+

+	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 *)

+					Mod_LoadSpriteFrame (pframetype + 1,

+										 &psprite->frames[i].frameptr);

+		}

+		else

+		{

+			pframetype = (dspriteframetype_t *)

+					Mod_LoadSpriteGroup (pframetype + 1,

+										 &psprite->frames[i].frameptr);

+		}

+	}

+

+	mod->type = mod_sprite;

+}

+

+//=============================================================================

+

+/*

+================

+Mod_Print

+================

+*/

+void Mod_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",mod->cache.data, mod->name);

+		if (mod->needload & NL_UNREFERENCED)

+			Con_Printf (" (!R)");

+		if (mod->needload & NL_NEEDS_LOADED)

+			Con_Printf (" (!P)");

+		Con_Printf ("\n");

+	}

+}

+

+