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thirtyflightsofloving/renderer/r_model.c

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/*
Copyright (C) 1997-2001 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.
*/
// r_model.c -- model loading and caching
#include "r_local.h"
model_t *loadmodel;
int modfilelen;
void *ModChunk_Begin (size_t maxsize);
void *ModChunk_Alloc (size_t size);
size_t ModChunk_End (void);
void ModChunk_Free (void *base);
size_t Mod_GetAllocSizeSprite (model_t *mod, void *buffer);
void Mod_LoadSpriteModel (model_t *mod, void *buffer);
void Mod_LoadBrushModel (model_t *mod, void *buffer);
#ifdef MD2_AS_MD3
size_t Mod_GetAllocSizeMD2New (model_t *mod, void *buffer);
void Mod_LoadAliasMD2ModelNew (model_t *mod, void *buffer);
#else
size_t Mod_GetAllocSizeMD2Old (model_t *mod, void *buffer);
void Mod_LoadAliasMD2ModelOld (model_t *mod, void *buffer);
#endif
//Harven++ MD3
size_t Mod_GetAllocSizeMD3 (model_t *mod, void *buffer);
void Mod_LoadAliasMD3Model (model_t *mod, void *buffer);
//Harven-- MD3
model_t *Mod_LoadModel (model_t *mod, qboolean crash);
byte mod_novis[MAX_MAP_LEAFS/8];
#define MAX_MOD_KNOWN (MAX_MODELS*2) // Knightmare- was 512
model_t mod_known[MAX_MOD_KNOWN];
int mod_numknown;
// the inline * models from the current map are kept seperate
model_t mod_inline[MAX_MOD_KNOWN];
int registration_sequence;
qboolean registration_active; // map registration flag
/*
===============
Mod_PointInLeaf
===============
*/
mleaf_t *Mod_PointInLeaf (vec3_t p, model_t *model)
{
mnode_t *node;
float d;
cplane_t *plane;
if (!model || !model->nodes)
VID_Error (ERR_DROP, "Mod_PointInLeaf: bad model");
node = model->nodes;
while (1)
{
if (node->contents != -1)
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->vis->numclusters+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;
}
/*
==============
Mod_ClusterPVS
==============
*/
byte *Mod_ClusterPVS (int cluster, model_t *model)
{
if (cluster == -1 || !model->vis)
return mod_novis;
return Mod_DecompressVis ( (byte *)model->vis + model->vis->bitofs[cluster][DVIS_PVS],
model);
}
//===============================================================================
/*
================
Mod_Modellist_f
================
*/
void Mod_Modellist_f (void)
{
int i;
model_t *mod;
int total;
total = 0;
VID_Printf (PRINT_ALL,"Loaded models:\n");
for (i=0, mod=mod_known ; i < mod_numknown ; i++, mod++)
{
if (!mod->name[0])
continue;
VID_Printf (PRINT_ALL, "%8i : %s\n",mod->extradatasize, mod->name);
total += mod->extradatasize;
}
VID_Printf (PRINT_ALL, "Total resident: %i\n", total);
}
/*
===============
Mod_Init
===============
*/
void Mod_Init (void)
{
memset (mod_novis, 0xff, sizeof(mod_novis));
registration_active = false; // map registration flag
}
/*
==================
Mod_ForName
Loads in a model for the given name
==================
*/
model_t *Mod_ForName (char *name, qboolean crash)
{
model_t *mod;
unsigned *buf;
int i;
if (!name[0])
VID_Error (ERR_DROP, "Mod_ForName: NULL name");
//
// inline models are grabbed only from worldmodel
//
if (name[0] == '*')
{
i = atoi(name+1);
if (i < 1 || !r_worldmodel || i >= r_worldmodel->numsubmodels)
VID_Error (ERR_DROP, "bad inline model number");
return &mod_inline[i];
}
//
// search the currently loaded models
//
for (i=0 , mod=mod_known ; i<mod_numknown ; i++, mod++)
{
if (!mod->name[0])
continue;
if (!strcmp (mod->name, name) )
return mod;
}
//
// find a free model slot spot
//
for (i=0 , mod=mod_known ; i<mod_numknown ; i++, mod++)
{
if (!mod->name[0])
break; // free spot
}
if (i == mod_numknown)
{
if (mod_numknown == MAX_MOD_KNOWN)
VID_Error (ERR_DROP, "mod_numknown == MAX_MOD_KNOWN");
mod_numknown++;
}
// strncpy (mod->name, name);
Q_strncpyz (mod->name, name, sizeof(mod->name));
//
// load the file
//
modfilelen = FS_LoadFile (mod->name, &buf);
if (!buf)
{
if (crash)
VID_Error (ERR_DROP, "Mod_NumForName: %s not found", mod->name);
memset (mod->name, 0, sizeof(mod->name));
return NULL;
}
loadmodel = mod;
//
// fill it in
//
// call the apropriate loader
switch (LittleLong(*(unsigned *)buf))
{
case IDALIASHEADER:
#ifdef MD2_AS_MD3
// loadmodel->extradata = Hunk_Begin (0x800000); // was 0x500000
loadmodel->extradata = ModChunk_Begin (Mod_GetAllocSizeMD2New (mod, buf));
Mod_LoadAliasMD2ModelNew (mod, buf);
#else
// loadmodel->extradata = Hunk_Begin (0x200000);
loadmodel->extradata = ModChunk_Begin (Mod_GetAllocSizeMD2Old (mod, buf));
Mod_LoadAliasMD2ModelOld (mod, buf);
#endif // MD2_AS_MD3
loadmodel->extradatasize = ModChunk_End ();
break;
//Harven++ MD3
case IDMD3HEADER:
// loadmodel->extradata = Hunk_Begin (0x800000);
loadmodel->extradata = ModChunk_Begin (Mod_GetAllocSizeMD3 (mod, buf));
Mod_LoadAliasMD3Model (mod, buf);
loadmodel->extradatasize = ModChunk_End ();
break;
//Harven-- MD3
case IDSPRITEHEADER:
// loadmodel->extradata = Hunk_Begin (0x10000);
loadmodel->extradata = ModChunk_Begin (Mod_GetAllocSizeSprite (mod, buf));
Mod_LoadSpriteModel (mod, buf);
loadmodel->extradatasize = ModChunk_End ();
break;
case IDBSPHEADER:
loadmodel->extradata = Hunk_Begin (0x2000000); // was 0x1000000
Mod_LoadBrushModel (mod, buf);
loadmodel->extradatasize = Hunk_End ();
break;
default:
VID_Error (ERR_DROP,"Mod_NumForName: unknown fileid for %s", mod->name);
break;
}
// loadmodel->extradatasize = Hunk_End ();
FS_FreeFile (buf);
return mod;
}
/*
===============================================================================
BRUSHMODEL LOADING
===============================================================================
*/
byte *mod_base;
/*
=================
Mod_LoadLighting
=================
*/
void Mod_LoadLighting (lump_t *l)
{
if (!l->filelen)
{
loadmodel->lightdata = NULL;
return;
}
loadmodel->lightdata = Hunk_Alloc ( l->filelen);
memcpy (loadmodel->lightdata, mod_base + l->fileofs, l->filelen);
}
/*
=================
Mod_LoadVisibility
=================
*/
void Mod_LoadVisibility (lump_t *l)
{
int i;
if (!l->filelen)
{
loadmodel->vis = NULL;
return;
}
loadmodel->vis = Hunk_Alloc ( l->filelen);
memcpy (loadmodel->vis, mod_base + l->fileofs, l->filelen);
loadmodel->vis->numclusters = LittleLong (loadmodel->vis->numclusters);
for (i=0 ; i<loadmodel->vis->numclusters ; i++)
{
loadmodel->vis->bitofs[i][0] = LittleLong (loadmodel->vis->bitofs[i][0]);
loadmodel->vis->bitofs[i][1] = LittleLong (loadmodel->vis->bitofs[i][1]);
}
}
/*
=================
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))
VID_Error (ERR_DROP, "MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
count = l->filelen / sizeof(*in);
out = Hunk_Alloc ( count*sizeof(*out));
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]);
}
}
/*
=================
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 VectorLength (corner);
}
/*
=================
Mod_LoadSubmodels
=================
*/
void Mod_LoadSubmodels (lump_t *l)
{
dmodel_t *in;
mmodel_t *out;
int i, j, count;
in = (void *)(mod_base + l->fileofs);
if (l->filelen % sizeof(*in))
VID_Error (ERR_DROP, "MOD_LoadBmodel: funny lump size in %s", loadmodel->name);
count = l->filelen / sizeof(*in);
out = Hunk_Alloc ( count*sizeof(*out));
// Knightmare- catch submodel overflow
if (count >= MAX_MOD_KNOWN)
VID_Error (ERR_DROP, "MOD_LoadBmodel: too many submodels (%i >= %i) in %s", count, MAX_MOD_KNOWN, loadmodel->name);
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]);
}
out->radius = RadiusFromBounds (out->mins, out->maxs);
out->headnode = LittleLong (in->headnode);
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))
VID_Error (ERR_DROP, "MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
count = l->filelen / sizeof(*in);
out = Hunk_Alloc ( (count + 1) * sizeof(*out));
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]);
}
}
//=======================================================
// store the names of last textures that failed to load
#define NUM_FAIL_TEXTURES 256
char lastFailedTexture[NUM_FAIL_TEXTURES][MAX_OSPATH];
long lastFailedTextureHash[NUM_FAIL_TEXTURES];
static unsigned failedTexListIndex;
/*
===============
Mod_InitFailedTexList
===============
*/
void Mod_InitFailedTexList (void)
{
int i;
for (i=0; i<NUM_FAIL_TEXTURES; i++) {
Com_sprintf(lastFailedTexture[i], sizeof(lastFailedTexture[i]), "\0");
lastFailedTextureHash[i] = 0;
}
failedTexListIndex = 0;
}
/*
===============
Mod_CheckTexFailed
===============
*/
qboolean Mod_CheckTexFailed (char *name)
{
int i;
long hash;
hash = Com_HashFileName(name, 0, false);
for (i=0; i<NUM_FAIL_TEXTURES; i++)
{
if (hash == lastFailedTextureHash[i]) { // compare hash first
if (lastFailedTexture[i] && strlen(lastFailedTexture[i])
&& !strcmp(name, lastFailedTexture[i]))
{ // we already tried to load this image, didn't find it
return true;
}
}
}
return false;
}
/*
===============
Mod_AddToFailedTexList
===============
*/
void Mod_AddToFailedTexList (char *name)
{
Com_sprintf(lastFailedTexture[failedTexListIndex], sizeof(lastFailedTexture[failedTexListIndex]), "%s", name);
lastFailedTextureHash[failedTexListIndex] = Com_HashFileName(name, 0, false);
failedTexListIndex++;
// wrap around to start of list
if (failedTexListIndex >= NUM_FAIL_TEXTURES)
failedTexListIndex = 0;
}
/*
===============
Mod_FindTexture
A wrapper function that uses a failed list
to speed map load times
===============
*/
image_t *Mod_FindTexture (char *name, imagetype_t type)
{
image_t *image;
// don't try again to load a texture that just failed
if (Mod_CheckTexFailed (name))
return glMedia.notexture;
image = R_FindImage (name, type);
if (!image || (image == glMedia.notexture))
Mod_AddToFailedTexList (name);
return image;
}
//=======================================================
// store the names and sizes of size reference .wal files
typedef struct walsize_s
{
char name[MAX_OSPATH];
long hash;
int width;
int height;
} walsize_t;
#define NUM_WALSIZES 1024
walsize_t walSizeList[NUM_WALSIZES];
static unsigned walSizeListIndex;
/*
===============
Mod_InitWalSizeList
===============
*/
void Mod_InitWalSizeList (void)
{
int i;
for (i=0; i<NUM_WALSIZES; i++) {
Com_sprintf(walSizeList[i].name, sizeof(walSizeList[i].name), "\0");
walSizeList[i].hash = 0;
walSizeList[i].width = 0;
walSizeList[i].height = 0;
}
walSizeListIndex = 0;
}
/*
===============
Mod_CheckWalSizeList
===============
*/
qboolean Mod_CheckWalSizeList (const char *name, int *width, int *height)
{
int i;
long hash;
hash = Com_HashFileName(name, 0, false);
for (i=0; i<NUM_WALSIZES; i++)
{
if (hash == walSizeList[i].hash) { // compare hash first
if (walSizeList[i].name && strlen(walSizeList[i].name)
&& !strcmp(name, walSizeList[i].name))
{ // return size of texture
if (width)
*width = walSizeList[i].width;
if (height)
*height = walSizeList[i].height;
return true;
}
}
}
return false;
}
/*
===============
Mod_AddToWalSizeList
===============
*/
void Mod_AddToWalSizeList (const char *name, int width, int height)
{
Com_sprintf(walSizeList[walSizeListIndex].name, sizeof(walSizeList[walSizeListIndex].name), "%s", name);
walSizeList[walSizeListIndex].hash = Com_HashFileName(name, 0, false);
walSizeList[walSizeListIndex].width = width;
walSizeList[walSizeListIndex].height = height;
walSizeListIndex++;
// wrap around to start of list
if (walSizeListIndex >= NUM_WALSIZES)
walSizeListIndex = 0;
}
/*
=================
Mod_GetWalSize
Adapted from Q2E
=================
*/
static void Mod_GetWalSize (const char *name, int *width, int *height)
{
char path[MAX_QPATH];
miptex_t *mt;
Com_sprintf (path, sizeof(path), "textures/%s.wal", name);
if (Mod_CheckWalSizeList(name, width, height)) // check if already in list
return;
FS_LoadFile (path, (void **)&mt); // load .wal file
if (!mt)
{ // set null value to tell us to get actual size of texture
*width = *height = -1;
Mod_AddToWalSizeList(name, *width, *height); // add to list
return;
}
*width = LittleLong (mt->width); // grab size from wal
*height = LittleLong (mt->height);
FS_FreeFile ((void *)mt); // free the wal
Mod_AddToWalSizeList(name, *width, *height); // add to list
}
/*
=================
Mod_LoadTexinfo
=================
*/
void Mod_LoadTexinfo (lump_t *l)
{
texinfo_t *in;
mtexinfo_t *out, *step;
int i, j, count;
char name[MAX_QPATH];
int next;
in = (void *)(mod_base + l->fileofs);
if (l->filelen % sizeof(*in))
VID_Error (ERR_DROP, "MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
count = l->filelen / sizeof(*in);
out = Hunk_Alloc ( count*sizeof(*out));
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]);
out->flags = LittleLong (in->flags);
next = LittleLong (in->nexttexinfo);
if (next > 0)
out->next = loadmodel->texinfo + next;
else
out->next = NULL;
Com_sprintf (name, sizeof(name), "textures/%s.wal", in->texture);
out->image = Mod_FindTexture (name, it_wall); // was R_FindImage
if (!out->image)
{
VID_Printf (PRINT_ALL, "Couldn't load %s\n", name);
out->image = glMedia.notexture;
}
// Added glow
Com_sprintf (name, sizeof(name), "textures/%s_glow.wal", in->texture);
out->glow = Mod_FindTexture (name, it_skin); // was R_FindImage
if (!out->glow)
out->glow = glMedia.notexture;
// Q2E HACK: find .wal dimensions for texture coord generation
// NOTE: Once Q3 map support is added, be be sure to disable this
// for Q3 format maps, because they will be natively textured with
// hi-res textures.
Mod_GetWalSize (in->texture, &out->texWidth, &out->texHeight);
// If no .wal texture was found, use width & height of actual texture
if (out->texWidth == -1 || out->texHeight == -1)
{
out->texWidth = out->image->width;
out->texHeight = out->image->height;
}
}
// count animation frames
for (i=0 ; i<count ; i++)
{
out = &loadmodel->texinfo[i];
out->numframes = 1;
for (step = out->next ; step && step != out ; step=step->next)
out->numframes++;
}
}
/*
================
CalcSurfaceExtents
Fills in s->texturemins[] and s->extents[]
================
*/
void CalcSurfaceExtents (msurface_t *s)
{
float mins[2], maxs[2], val;
int i,j, e;
mvertex_t *v;
mtexinfo_t *tex;
int bmins[2], bmaxs[2];
mins[0] = mins[1] = 999999;
maxs[0] = maxs[1] = -99999;
tex = s->texinfo;
for (i=0 ; i<s->numedges ; i++)
{
e = loadmodel->surfedges[s->firstedge+i];
if (e >= 0)
v = &loadmodel->vertexes[loadmodel->edges[e].v[0]];
else
v = &loadmodel->vertexes[loadmodel->edges[-e].v[1]];
for (j=0 ; j<2 ; j++)
{
val = v->position[0] * tex->vecs[j][0] +
v->position[1] * tex->vecs[j][1] +
v->position[2] * tex->vecs[j][2] +
tex->vecs[j][3];
if (val < mins[j])
mins[j] = val;
if (val > maxs[j])
maxs[j] = val;
}
}
for (i=0 ; i<2 ; i++)
{
bmins[i] = floor(mins[i]/16);
bmaxs[i] = ceil(maxs[i]/16);
s->texturemins[i] = bmins[i] * 16;
s->extents[i] = (bmaxs[i] - bmins[i]) * 16;
// if ( !(tex->flags & TEX_SPECIAL) && s->extents[i] > 512 /* 256 */ )
// VID_Error (ERR_DROP, "Bad surface extents");
}
}
void R_BuildPolygonFromSurface (msurface_t *fa);
void R_CreateSurfaceLightmap (msurface_t *surf);
void R_EndBuildingLightmaps (void);
void R_BeginBuildingLightmaps (model_t *m);
/*
=================
Mod_LoadFaces
=================
*/
void Mod_LoadFaces (lump_t *l)
{
dface_t *in;
msurface_t *out;
int i, count, surfnum;
int planenum, side;
int ti;
in = (void *)(mod_base + l->fileofs);
if (l->filelen % sizeof(*in))
VID_Error (ERR_DROP, "MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
count = l->filelen / sizeof(*in);
out = Hunk_Alloc ( count*sizeof(*out));
loadmodel->surfaces = out;
loadmodel->numsurfaces = count;
currentmodel = loadmodel;
R_BeginBuildingLightmaps (loadmodel);
for ( surfnum=0 ; surfnum<count ; surfnum++, in++, out++)
{
out->firstedge = LittleLong(in->firstedge);
out->numedges = LittleShort(in->numedges);
out->flags = 0;
out->polys = NULL;
planenum = LittleShort(in->planenum);
side = LittleShort(in->side);
if (side)
out->flags |= SURF_PLANEBACK;
out->plane = loadmodel->planes + planenum;
ti = LittleShort (in->texinfo);
if (ti < 0 || ti >= loadmodel->numtexinfo)
VID_Error (ERR_DROP, "MOD_LoadBmodel: bad texinfo number");
out->texinfo = loadmodel->texinfo + ti;
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
if (out->texinfo->flags & SURF_WARP)
{
out->flags |= SURF_DRAWTURB;
for (i=0; i<2; i++)
{
out->extents[i] = (WORLD_SIZE*2); // was 16384
out->texturemins[i] = -WORLD_SIZE; // was -8192
}
R_SubdivideSurface (out); // cut up polygon for warps
}
// Knightmare- Psychospaz's envmapping
// windows get glass (envmap) effect... -psychospaz
// but warp surfaces and solid alphas don't
else if (out->texinfo->flags & (SURF_TRANS33|SURF_TRANS66))
//&& !((out->texinfo->flags & SURF_TRANS33) && (out->texinfo->flags & SURF_TRANS66)) )
{
if (!(out->texinfo->flags & SURF_NOLIGHTENV))
out->flags |= SURF_ENVMAP;
}
// create lightmaps and polygons
//if ( !(out->texinfo->flags & (SURF_SKY|SURF_TRANS33|SURF_TRANS66|SURF_WARP) ) )
if ( !(out->texinfo->flags & (SURF_SKY|SURF_WARP) ) )
R_CreateSurfaceLightmap (out);
if (! (out->texinfo->flags & SURF_WARP) )
R_BuildPolygonFromSurface (out);
}
R_EndBuildingLightmaps ();
}
/*
=================
Mod_SetParent
=================
*/
void Mod_SetParent (mnode_t *node, mnode_t *parent)
{
node->parent = parent;
if (node->contents != -1)
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))
VID_Error (ERR_DROP, "MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
count = l->filelen / sizeof(*in);
out = Hunk_Alloc ( count*sizeof(*out));
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);
out->contents = -1; // differentiate from leafs
for (j=0 ; j<2 ; j++)
{
p = LittleLong (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;
glpoly_t *poly;
in = (void *)(mod_base + l->fileofs);
if (l->filelen % sizeof(*in))
VID_Error (ERR_DROP, "MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
count = l->filelen / sizeof(*in);
out = Hunk_Alloc ( count*sizeof(*out));
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->cluster = LittleShort(in->cluster);
out->area = LittleShort(in->area);
out->firstmarksurface = loadmodel->marksurfaces +
(unsigned short)LittleShort(in->firstleafface); // Knightmare- make sure this doesn't turn negative!
out->nummarksurfaces = LittleShort(in->numleaffaces);
// underwater flag for caustics
//if (out->contents & (CONTENTS_WATER|CONTENTS_SLIME) )
if (out->contents & (MASK_WATER) )
{ unsigned int flag;
if (out->contents & CONTENTS_LAVA)
flag = SURF_UNDERLAVA;
else if (out->contents & CONTENTS_SLIME)
flag = SURF_UNDERSLIME;
else
flag = SURF_UNDERWATER;
for (j=0 ; j<out->nummarksurfaces ; j++)
{
out->firstmarksurface[j]->flags |= flag;
for (poly = out->firstmarksurface[j]->polys; poly; poly=poly->next)
poly->flags |= flag;
}
}
}
}
/*
=================
Mod_LoadMarksurfaces
=================
*/
void Mod_LoadMarksurfaces (lump_t *l)
{
int i, j, count;
unsigned short *in; // Knightmare- changed to unsigned short
msurface_t **out;
in = (void *)(mod_base + l->fileofs);
if (l->filelen % sizeof(*in))
VID_Error (ERR_DROP, "MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
count = l->filelen / sizeof(*in);
out = Hunk_Alloc ( count*sizeof(*out));
loadmodel->marksurfaces = out;
loadmodel->nummarksurfaces = count;
for ( i=0 ; i<count ; i++)
{
j = (unsigned short)LittleShort(in[i]); // Knightmare- make this unsigned!
if (j < 0 || j >= loadmodel->numsurfaces)
VID_Error (ERR_DROP, "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))
VID_Error (ERR_DROP, "MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
count = l->filelen / sizeof(*in);
if (count < 1 || count >= MAX_MAP_SURFEDGES)
VID_Error (ERR_DROP, "MOD_LoadBmodel: bad surfedges count in %s: %i",
loadmodel->name, count);
out = Hunk_Alloc ( count*sizeof(*out));
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;
cplane_t *out;
dplane_t *in;
int count;
int bits;
in = (void *)(mod_base + l->fileofs);
if (l->filelen % sizeof(*in))
VID_Error (ERR_DROP, "MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
count = l->filelen / sizeof(*in);
//original bug- Quake2Max
// out = Hunk_Alloc ( count*2*sizeof(*out));
out = Hunk_Alloc ( count*sizeof(*out));
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;
}
}
/*
=================
Mod_LoadBrushModel
=================
*/
void Mod_LoadBrushModel (model_t *mod, void *buffer)
{
int i;
dheader_t *header;
mmodel_t *bm;
loadmodel->type = mod_brush;
if (loadmodel != mod_known)
VID_Error (ERR_DROP, "Loaded a brush model after the world");
header = (dheader_t *)buffer;
i = LittleLong (header->version);
if (i != BSPVERSION)
VID_Error (ERR_DROP, "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_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_LEAFFACES]);
Mod_LoadVisibility (&header->lumps[LUMP_VISIBILITY]);
Mod_LoadLeafs (&header->lumps[LUMP_LEAFS]);
Mod_LoadNodes (&header->lumps[LUMP_NODES]);
Mod_LoadSubmodels (&header->lumps[LUMP_MODELS]);
mod->numframes = 2; // regular and alternate animation
//
// set up the submodels
//
for (i=0 ; i<mod->numsubmodels ; i++)
{
model_t *starmod;
bm = &mod->submodels[i];
starmod = &mod_inline[i];
*starmod = *loadmodel;
starmod->firstmodelsurface = bm->firstface;
starmod->nummodelsurfaces = bm->numfaces;
starmod->firstnode = bm->headnode;
if (starmod->firstnode >= loadmodel->numnodes)
VID_Error (ERR_DROP, "Inline model %i has bad firstnode", i);
VectorCopy (bm->maxs, starmod->maxs);
VectorCopy (bm->mins, starmod->mins);
starmod->radius = bm->radius;
if (i == 0)
*loadmodel = *starmod;
starmod->numleafs = bm->visleafs;
}
}
/*
===============================================================================
MODEL MEMORY ALLOCATION
===============================================================================
*/
// It turns out that the Hunk_Begin(), Hunk_Alloc(), and Hunk_Free()
// functions used for BSP, alias model, and sprite loading are a wrapper around
// VirtualAlloc()/VirtualFree() on Win32 and they should only be used
// rarely and for large blocks of memory. After about 185-190 VirtualAlloc()
// reserve calls are made on Win7 x64, the subsequent call fails. Bad Carmack, bad!
// These ModChunk_ functions are a replacement that wrap around malloc()/free()
// and return pointers into sections aligned on cache lines.
// The only caveat is that the allocation size passed to ModChunk_Begin() is
// immediately allocated, not reserved. Calling it with a maximum memory size
// for each model type would be hugely wasteful. So a size equal or greater to
// the total amount requested via ModChunk_Alloc() calls in the model loading
// functions must be calculated first.
int modChunkCount;
byte *modChunkMemBase;
size_t modChunkMaxSize;
size_t modChunkCurSize;
void *ModChunk_Begin (size_t maxsize)
{
// alocate a chunk of memory, should be exact size needed!
modChunkCurSize = 0;
modChunkMaxSize = maxsize;
modChunkMemBase = malloc (maxsize);
if (!modChunkMemBase)
Sys_Error ("ModChunk_Begin: malloc of size %i failed, %i chunks already allocated", maxsize, modChunkCount);
memset (modChunkMemBase, 0, maxsize);
return (void *)modChunkMemBase;
}
void *ModChunk_Alloc (size_t size)
{
// round to cacheline
size = (size+31)&~31;
modChunkCurSize += size;
if (modChunkCurSize > modChunkMaxSize)
Sys_Error ("ModChunk_Alloc: overflow");
return (void *)(modChunkMemBase + modChunkCurSize - size);
}
size_t ModChunk_End (void)
{
// free the remaining unused virtual memory
modChunkCount++;
// VID_Printf (PRINT_ALL, "modChunkCount: %i\n", modChunkCount);
return modChunkCurSize;
}
void ModChunk_Free (void *base)
{
if ( base )
free (base);
modChunkCount--;
}
/*
==============================================================================
ALIAS MODELS
==============================================================================
*/
/*
=================
Mod_ParseBlendMode
md3 skin protoshaders
=================
*/
GLenum Mod_ParseBlendMode (char *name)
{
if (!name) return -1;
if (!Q_strcasecmp(name, "gl_zero"))
return GL_ZERO;
if (!Q_strcasecmp(name, "gl_one"))
return GL_ONE;
if (!Q_strcasecmp(name, "gl_src_color"))
return GL_SRC_COLOR;
if (!Q_strcasecmp(name, "gl_one_minus_src_color"))
return GL_ONE_MINUS_SRC_COLOR;
if (!Q_strcasecmp(name, "gl_src_alpha"))
return GL_SRC_ALPHA;
if (!Q_strcasecmp(name, "gl_one_minus_src_alpha"))
return GL_ONE_MINUS_SRC_ALPHA;
if (!Q_strcasecmp(name, "gl_dst_alpha"))
return GL_DST_ALPHA;
if (!Q_strcasecmp(name, "gl_one_minus_dst_alpha"))
return GL_ONE_MINUS_DST_ALPHA;
if (!Q_strcasecmp(name, "gl_dst_color"))
return GL_DST_COLOR;
if (!Q_strcasecmp(name, "gl_one_minus_dst_color"))
return GL_ONE_MINUS_DST_COLOR;
if (!Q_strcasecmp(name, "gl_src_alpha_saturate"))
return GL_SRC_ALPHA_SATURATE;
if (!Q_strcasecmp(name, "gl_constant_color"))
return GL_CONSTANT_COLOR;
if (!Q_strcasecmp(name, "gl_one_minus_constant_color"))
return GL_ONE_MINUS_CONSTANT_COLOR;
if (!Q_strcasecmp(name, "gl_constant_alpha"))
return GL_CONSTANT_ALPHA;
if (!Q_strcasecmp(name, "gl_one_minus_constant_alpha"))
return GL_ONE_MINUS_CONSTANT_ALPHA;
else
return -1;
}
/*
=================
Mod_GetNextParm
md3 skin protoshaders
=================
*/
qboolean Mod_GetNextParm (char **data, char **output)
{
if (!*data) return false;
*output = COM_ParseExt (data, false);
if (!*data) {
VID_Printf (PRINT_ALL, S_COLOR_YELLOW"Mod_ParseModelScript: EOF without closing brace\n");
return false;
}
if (!*output[0])
return false;
if (*output[0] == '}') {
// VID_Printf (PRINT_ALL, S_COLOR_YELLOW"Mod_ParseModelScript: closing brace without data\n");
return false;
}
return true;
}
/*
=================
Mod_ParseWaveFunc
md3 skin protoshaders
=================
*/
qboolean Mod_ParseWaveFunc (char **data, waveForm_t *out)
{
char *tok=NULL;
if (!*data || !out) return false;
if (!Mod_GetNextParm(data, &tok))
return false;
if (!Q_strcasecmp(tok, "sin"))
*out = WAVEFORM_SIN;
else if (!Q_strcasecmp(tok, "triangle"))
*out = WAVEFORM_TRIANGLE;
else if (!Q_strcasecmp(tok, "square"))
*out = WAVEFORM_SQUARE;
else if (!Q_strcasecmp(tok, "sawtooth"))
*out = WAVEFORM_SAWTOOTH;
else if (!Q_strcasecmp(tok, "inversesawtooth"))
*out = WAVEFORM_INVERSESAWTOOTH;
else if (!Q_strcasecmp(tok, "noise"))
*out = WAVEFORM_NOISE;
else {
*out = -1;
return false;
}
return true;
}
/*
=================
Mod_ParseFloat
md3 skin protoshaders
=================
*/
qboolean Mod_ParseFloat (char **data, float *outnum, qboolean normalized)
{
char *token=NULL;
if (!*data || !outnum) return false;
if (!Mod_GetNextParm(data, &token))
return false;
if (normalized)
*outnum = max(min(atof(token), 1.0f), 0.0f);
else
*outnum = atof(token);
return true;
}
/*
=================
Mod_ParseModelScript
skin protoshaders
=================
*/
void Mod_ParseModelScript (maliasskin_t *skin, char **data, char *dataStart, int dataSize, char *meshname, int skinnum, char *scriptname)
{
char *token=NULL, *token2=NULL;
char glowname[MD3_MAX_PATH];
int i;
renderparms_t *skinParms = &skin->renderparms;
// get the opening curly brace
token = COM_ParseExt (data, true);
if (!*data) {
VID_Printf (PRINT_ALL, S_COLOR_YELLOW"Mod_ParseModelScript: unexpected EOF in %s.%i in %s\n", meshname, skinnum, scriptname);
return;
}
if (token[0] != '{') {
VID_Printf (PRINT_ALL, S_COLOR_YELLOW"Mod_ParseModelScript: found %s when expecting { in %s.%i in %s\n", token, meshname, skinnum, scriptname);
return;
}
// go through all the parms
while (*data < (dataStart + dataSize))
{
token = COM_ParseExt (data, true);
if (!*data) {
VID_Printf (PRINT_ALL, S_COLOR_YELLOW"Mod_ParseModelScript: EOF in %s.%i in %s without closing brace\n", meshname, skinnum, scriptname);
break;
}
if (token[0] == '}') break; // end of skin
if (!Q_strcasecmp(token, "twosided"))
skinParms->twosided = true;
else if (!Q_strcasecmp(token, "alphatest")) {
skinParms->alphatest = true;
skinParms->noshadow = true; // also noshadow
}
else if (!Q_strcasecmp(token, "fullbright"))
skinParms->fullbright = true;
else if (!Q_strcasecmp(token, "nodraw")) {
skinParms->nodraw = true;
skinParms->noshadow = true; // also noshadow
}
else if (!Q_strcasecmp(token, "noshadow"))
skinParms->noshadow = true;
else if (!Q_strcasecmp(token, "nodiffuse"))
skinParms->nodiffuse = true;
else if (!Q_strcasecmp(token, "envmap"))
{
if (!Mod_ParseFloat(data, &skinParms->envmap, true)) {
VID_Printf (PRINT_ALL, S_COLOR_YELLOW"Mod_ParseModelScript: missing parameter for 'envmap' in %s.%i in %s\n", meshname, skinnum, scriptname);
break;
}
}
else if (!Q_strcasecmp(token, "alpha") || !Q_strcasecmp(token, "trans"))
{
if (!Mod_ParseFloat(data, &skinParms->basealpha, true)) {
VID_Printf (PRINT_ALL, S_COLOR_YELLOW"Mod_ParseModelScript: missing parameter for 'alpha' or 'trans' in %s.%i in %s\n", meshname, skinnum, scriptname);
break;
}
}
else if (!Q_strcasecmp(token, "tcmod"))
{
if (!Mod_GetNextParm(data, &token)) {
VID_Printf (PRINT_ALL, S_COLOR_YELLOW"Mod_ParseModelScript: missing parameter for 'tcmod' in %s.%i in %s\n", meshname, skinnum, scriptname);
break;
}
if (!Q_strcasecmp(token, "translate")) {
if (!Mod_ParseFloat(data, &skinParms->translate_x, false)) {
VID_Printf (PRINT_ALL, S_COLOR_YELLOW"Mod_ParseModelScript: missing parameters for 'tcmod translate' in %s.%i in %s\n", meshname, skinnum, scriptname);
break;
}
if (!Mod_ParseFloat(data, &skinParms->translate_y, false)) {
VID_Printf (PRINT_ALL, S_COLOR_YELLOW"Mod_ParseModelScript: missing parameter for 'tcmod translate' in %s.%i in %s\n", meshname, skinnum, scriptname);
skinParms->translate_x = 0.0f;
break;
}
}
else if (!Q_strcasecmp(token, "rotate")) {
if (!Mod_ParseFloat(data, &skinParms->rotate, false)) {
VID_Printf (PRINT_ALL, S_COLOR_YELLOW"Mod_ParseModelScript: missing parameter for 'tcmod rotate' in %s.%i in %s\n", meshname, skinnum, scriptname);
break;
}
}
else if (!Q_strcasecmp(token, "scale")) {
if (!Mod_ParseFloat(data, &skinParms->scale_x, false)) {
VID_Printf (PRINT_ALL, S_COLOR_YELLOW"Mod_ParseModelScript: missing parameters for 'tcmod scale' in %s.%i in %s\n", meshname, skinnum, scriptname);
break;
}
if (!Mod_ParseFloat(data, &skinParms->scale_y, false)) {
VID_Printf (PRINT_ALL, S_COLOR_YELLOW"Mod_ParseModelScript: missing parameter for 'tcmod scale' in %s.%i in %s\n", meshname, skinnum, scriptname);
skinParms->scale_x = 1.0f;
break;
}
}
else if (!Q_strcasecmp(token, "stretch"))
{
if (!Mod_ParseWaveFunc(data, &skinParms->stretch.type)) {
VID_Printf (PRINT_ALL, S_COLOR_YELLOW"Mod_ParseModelScript: missing or invalid waveform for 'tcmod stretch' in %s.%i in %s\n", meshname, skinnum, scriptname);
break;
}
for (i=0; i<4; i++)
if (!Mod_ParseFloat(data, &skinParms->stretch.params[i], false)) {
VID_Printf (PRINT_ALL, S_COLOR_YELLOW"Mod_ParseModelScript: missing parameters for 'tcmod stretch' in %s.%i in %s\n", meshname, skinnum, scriptname);
break;
}
}
else if (!Q_strcasecmp(token, "turb"))
{ // first parm (base) is unused, so just read twice
for (i=0; i<4; i++)
if (!Mod_ParseFloat(data, &skinParms->turb.params[i], false)) {
VID_Printf (PRINT_ALL, S_COLOR_YELLOW"Mod_ParseModelScript: missing parameters for 'tcmod turb' in %s.%i in %s\n", meshname, skinnum, scriptname);
break;
}
skinParms->turb.type = WAVEFORM_SIN;
}
else if (!Q_strcasecmp(token, "scroll"))
{
if (!Mod_ParseFloat(data, &skinParms->scroll_x, false)) {
VID_Printf (PRINT_ALL, S_COLOR_YELLOW"Mod_ParseModelScript: missing parameters for 'tcmod scroll' in %s.%i in %s\n", meshname, skinnum, scriptname);
break;
}
if (!Mod_ParseFloat(data, &skinParms->scroll_y, false)) {
VID_Printf (PRINT_ALL, S_COLOR_YELLOW"Mod_ParseModelScript: missing parameter for 'tcmod scroll' in %s.%i in %s\n", meshname, skinnum, scriptname);
skinParms->scroll_x = 0.0f;
break;
}
}
else {
VID_Printf (PRINT_ALL, S_COLOR_YELLOW"Mod_ParseModelScript: unknown type '%s' for 'tcmod' in %s.%i in %s\n", token, meshname, skinnum, scriptname);
break;
}
}
else if (!Q_strcasecmp(token, "blendfunc"))
{ // parse blend parm
if (!Mod_GetNextParm(data, &token)) {
VID_Printf (PRINT_ALL, S_COLOR_YELLOW"Mod_ParseModelScript: missing parameter(s) for 'blendfunc' in %s.%i in %s\n", meshname, skinnum, scriptname);
break;
}
if (!Q_strcasecmp(token, "add")) {
skinParms->blendfunc_src = GL_ONE;
skinParms->blendfunc_dst = GL_ONE;
}
else if (!Q_strcasecmp(token, "filter")) {
skinParms->blendfunc_src = GL_DST_COLOR;
skinParms->blendfunc_dst = GL_ZERO;
}
else if (!Q_strcasecmp(token, "blend")) {
skinParms->blendfunc_src = GL_SRC_ALPHA;
skinParms->blendfunc_dst = GL_ONE_MINUS_SRC_ALPHA;
}
else
{ // parse 2nd blend parm
if (!Mod_GetNextParm(data, &token2)) {
VID_Printf (PRINT_ALL, S_COLOR_YELLOW"Mod_ParseModelScript: missing 2nd parameter for 'blendfunc' in %s.%i in %s\n", meshname, skinnum, scriptname);
break;
}
skinParms->blendfunc_src = Mod_ParseBlendMode (token);
if (skinParms->blendfunc_src == -1) {
VID_Printf (PRINT_ALL, S_COLOR_YELLOW"Mod_ParseModelScript: invalid src blend func in %s.%i in %s\n", meshname, skinnum, scriptname);
break;
}
skinParms->blendfunc_dst = Mod_ParseBlendMode (token2);
if (skinParms->blendfunc_dst == -1) {
VID_Printf (PRINT_ALL, S_COLOR_YELLOW"Mod_ParseModelScript: invalid dst blend func in %s.%i in %s\n", meshname, skinnum, scriptname);
break;
}
}
skinParms->blend = true;
}
else if (!Q_strcasecmp(token, "glow"))
{
if (!Mod_GetNextParm(data, &token)) { // glowname
VID_Printf (PRINT_ALL, S_COLOR_YELLOW"Mod_ParseModelScript: missing image name for 'glow' in %s.%i in %s\n", meshname, skinnum, scriptname);
break;
}
memcpy (glowname, token, MD3_MAX_PATH);
if (!Mod_GetNextParm(data, &token)) { // type
VID_Printf (PRINT_ALL, S_COLOR_YELLOW"Mod_ParseModelScript: missing 'identity' or 'wave' for 'glow' in %s.%i in %s\n", meshname, skinnum, scriptname);
break;
}
if (!Q_strcasecmp(token, "wave")) {
if (!Mod_ParseWaveFunc(data, &skinParms->glow.type)) {
VID_Printf (PRINT_ALL, S_COLOR_YELLOW"Mod_ParseModelScript: missing or invalid waveform for 'glow <glowskin> wave' in %s.%i in %s\n", meshname, skinnum, scriptname);
break;
}
for (i=0; i<4; i++)
if (!Mod_ParseFloat(data, &skinParms->glow.params[i], false)) {
VID_Printf (PRINT_ALL, S_COLOR_YELLOW"Mod_ParseModelScript: missing parameters for 'glow <glowskin> wave' in %s.%i in %s\n", meshname, skinnum, scriptname);
break;
}
}
else if (!Q_strcasecmp(token, "identity"))
skinParms->glow.type = -1;
else { // only wave or identity
VID_Printf (PRINT_ALL, S_COLOR_YELLOW"Mod_ParseModelScript: unknown type '%s' for 'glow' in %s.%i in %s\n", token, meshname, skinnum, scriptname);
break;
}
skin->glowimage = R_FindImage (glowname, it_skin);
if (skin->glowimage)
memcpy (skin->glowname, glowname, MD3_MAX_PATH);
}
else { // invalid parameter
VID_Printf (PRINT_ALL, S_COLOR_YELLOW"Mod_ParseModelScript: unknown parameter '%s' in %s.%i in %s\n", token, meshname, skinnum, scriptname);
break;
}
}
}
/*
=================
Mod_SetRenderParmsDefaults
md3 skin protoshaders
=================
*/
void Mod_SetRenderParmsDefaults (renderparms_t *parms)
{
parms->twosided = false;
parms->alphatest = false;
parms->fullbright = false;
parms->nodraw = false;
parms->noshadow = false;
parms->nodiffuse = false;
parms->envmap = 0.0f;
parms->basealpha = 1.0f;
parms->blend = false;
parms->blendfunc_src = -1;
parms->blendfunc_dst = -1;
parms->glow.type = -1;
parms->translate_x = 0.0f;
parms->translate_y = 0.0f;
parms->rotate = 0.0f;
parms->scale_x = 1.0f;
parms->scale_y = 1.0f;
parms->stretch.type = -1;
parms->turb.type = -1;
parms->scroll_x = 0.0f;
parms->scroll_y = 0.0f;
}
/*
=================
Mod_LoadModelScript
md3 skin protoshaders
=================
*/
void Mod_LoadModelScript (model_t *mod, maliasmodel_t *aliasmod)
{
char scriptname[MAX_QPATH];
char *buf, *parse_data, *token=NULL, *token2=NULL;
int buf_size, i, j; //, k;
qboolean skinname_found;
renderparms_t *skinParms;
// set defaults
for (i=0; i < aliasmod->num_meshes; i++)
for (j=0; j < aliasmod->meshes[i].num_skins; j++) {
Mod_SetRenderParmsDefaults (&aliasmod->meshes[i].skins[j].renderparms);
aliasmod->meshes[i].skins[j].glowimage = NULL;
}
COM_StripExtension (mod->name, scriptname, sizeof(scriptname));
// strncat (scriptname, ".script");
Q_strncatz (scriptname, ".script", sizeof(scriptname));
buf_size = FS_LoadFile (scriptname, &buf);
if (buf_size < 1)
return;
//else
// VID_Printf (PRINT_ALL, "Mod_LoadModelScript: loaded model script for %s with %i meshes.\n", mod->name, aliasmod->num_meshes);
for (i=0; i<aliasmod->num_meshes; i++)
{
for (j=0; j<aliasmod->meshes[i].num_skins; j++)
{
skinParms = &aliasmod->meshes[i].skins[j].renderparms;
// search the script file for that meshname
skinname_found = false;
parse_data = buf; // copy data postion
while (parse_data < (buf + buf_size))
{
token = COM_Parse (&parse_data);
if (!parse_data) break;
if (!token) break;
if ( !Q_strncasecmp(token, aliasmod->meshes[i].name, strlen(aliasmod->meshes[i].name))
&& (atoi(COM_FileExtension(token)) == j)) {
skinname_found = true;
break;
}
}
// then if that skinname is found, load the parms for that skin
if (skinname_found)
Mod_ParseModelScript (&aliasmod->meshes[i].skins[j], &parse_data, buf, buf_size, aliasmod->meshes[i].name, j, scriptname);
}
}
FS_FreeFile(buf);
// check if model has any alpha surfaces for sorting
for (i=0; i < aliasmod->num_meshes; i++)
for (j=0; j < aliasmod->meshes[i].num_skins; j++)
if (aliasmod->meshes[i].skins[j].renderparms.blend || aliasmod->meshes[i].skins[j].renderparms.basealpha < 1.0f)
mod->hasAlpha = true;
//VID_Printf (PRINT_ALL, "Mod_LoadModelScript: loaded model script for %s with %i bytes per skin.\n", mod->name, sizeof(renderparms_t));
}
#ifndef MD2_AS_MD3
#ifdef PROJECTION_SHADOWS // projection shadows from BeefQuake R6
/*
=================
Mod_FindMD2TriangleWithEdge
=================
*/
signed int Mod_FindMD2TriangleWithEdge (short p1, short p2, dtriangle_t *ignore, dmdl_t *hdr)
{
dtriangle_t *tris = (dtriangle_t *)((unsigned char*)hdr + hdr->ofs_tris);
int i, match, count;
count = 0;
match = -1;
for (i=0; i<hdr->num_tris; i++, tris++)
{
if ( (tris->index_xyz[0] == p2 && tris->index_xyz[1] == p1)
|| (tris->index_xyz[1] == p2 && tris->index_xyz[2] == p1)
|| (tris->index_xyz[2] == p2 && tris->index_xyz[0] == p1) ) {
if (tris != ignore)
match = i;
count++;
}
else if ( (tris->index_xyz[0] == p1 && tris->index_xyz[1] == p2)
|| (tris->index_xyz[1] == p1 && tris->index_xyz[2] == p2)
|| (tris->index_xyz[2] == p1 && tris->index_xyz[0] == p2) )
count++;
}
if (count > 2)
match = -1;
return match;
}
/*
=================
Mod_BuildMD2TriangleNeighbors
=================
*/
void Mod_BuildMD2TriangleNeighbors (model_t *mod)
{
dmdl_t *hdr = (dmdl_t *)mod->extradata;
dtriangle_t *tris = (dtriangle_t *)((unsigned char*)hdr + hdr->ofs_tris);
int i, *n;
for (i=0, n=mod->edge_tri; i<hdr->num_tris; i++, n+=3, tris++)
{
n[0] = Mod_FindMD2TriangleWithEdge(tris->index_xyz[0], tris->index_xyz[1], tris, hdr);
n[1] = Mod_FindMD2TriangleWithEdge(tris->index_xyz[1], tris->index_xyz[2], tris, hdr);
n[2] = Mod_FindMD2TriangleWithEdge(tris->index_xyz[2], tris->index_xyz[0], tris, hdr);
}
}
#endif // end projection shadows from BeefQuake R6
/*
=================
Mod_GetAllocSizeMD2Old
Calc exact alloc size for MD2 in memory
=================
*/
size_t Mod_GetAllocSizeMD2Old (model_t *mod, void *buffer)
{
dmdl_t *pinmodel;
size_t allocSize;
pinmodel = (dmd2_t *)buffer;
allocSize = (LittleLong(pinmodel->ofs_end) + 31) & ~31;
return allocSize;
}
/*
=================
Mod_LoadAliasMD2ModelOld
=================
*/
void Mod_LoadAliasMD2ModelOld (model_t *mod, void *buffer)
{
int i, j;
dmdl_t *pinmodel, *pheader;
dstvert_t *pinst, *poutst;
dtriangle_t *pintri, *pouttri;
daliasframe_t *pinframe, *poutframe;
int *pincmd, *poutcmd;
int version;
pinmodel = (dmdl_t *)buffer;
version = LittleLong (pinmodel->version);
if (version != ALIAS_VERSION)
VID_Error (ERR_DROP, "%s has wrong version number (%i should be %i)",
mod->name, version, ALIAS_VERSION);
// pheader = Hunk_Alloc (LittleLong(pinmodel->ofs_end));
pheader = ModChunk_Alloc (LittleLong(pinmodel->ofs_end));
// byte swap the header fields and sanity check
for (i=0; i<sizeof(dmdl_t)/4; i++)
((int *)pheader)[i] = LittleLong (((int *)buffer)[i]);
if (pheader->skinheight > MAX_LBM_HEIGHT)
VID_Error (ERR_DROP, "model %s has a skin taller than %d", mod->name,
MAX_LBM_HEIGHT);
if (pheader->num_xyz <= 0)
VID_Error (ERR_DROP, "model %s has no vertices", mod->name);
if (pheader->num_xyz > MAX_VERTS)
VID_Error (ERR_DROP, "model %s has too many vertices", mod->name);
if (pheader->num_st <= 0)
VID_Error (ERR_DROP, "model %s has no st vertices", mod->name);
if (pheader->num_tris <= 0)
VID_Error (ERR_DROP, "model %s has no triangles", mod->name);
if (pheader->num_frames <= 0)
VID_Error (ERR_DROP, "model %s has no frames", mod->name);
//
// load base s and t vertices (not used in gl version)
//
pinst = (dstvert_t *) ((byte *)pinmodel + pheader->ofs_st);
poutst = (dstvert_t *) ((byte *)pheader + pheader->ofs_st);
for (i=0; i<pheader->num_st; i++)
{
poutst[i].s = LittleShort (pinst[i].s);
poutst[i].t = LittleShort (pinst[i].t);
}
//
// load triangle lists
//
pintri = (dtriangle_t *) ((byte *)pinmodel + pheader->ofs_tris);
pouttri = (dtriangle_t *) ((byte *)pheader + pheader->ofs_tris);
for (i=0; i<pheader->num_tris; i++)
{
for (j=0; j<3; j++)
{
pouttri[i].index_xyz[j] = LittleShort (pintri[i].index_xyz[j]);
pouttri[i].index_st[j] = LittleShort (pintri[i].index_st[j]);
}
}
//
// load the frames
//
for (i=0; i<pheader->num_frames; i++)
{
pinframe = (daliasframe_t *) ((byte *)pinmodel
+ pheader->ofs_frames + i * pheader->framesize);
poutframe = (daliasframe_t *) ((byte *)pheader
+ pheader->ofs_frames + i * pheader->framesize);
memcpy (poutframe->name, pinframe->name, sizeof(poutframe->name));
for (j=0 ; j<3 ; j++)
{
poutframe->scale[j] = LittleFloat (pinframe->scale[j]);
poutframe->translate[j] = LittleFloat (pinframe->translate[j]);
}
// verts are all 8 bit, so no swapping needed
memcpy (poutframe->verts, pinframe->verts,
pheader->num_xyz*sizeof(dtrivertx_t));
}
//
// load the glcmds
//
pincmd = (int *) ((byte *)pinmodel + pheader->ofs_glcmds);
poutcmd = (int *) ((byte *)pheader + pheader->ofs_glcmds);
for (i=0; i<pheader->num_glcmds; i++)
poutcmd[i] = LittleLong (pincmd[i]);
// register all skins
memcpy ((char *)pheader + pheader->ofs_skins, (char *)pinmodel + pheader->ofs_skins,
pheader->num_skins*MAX_SKINNAME);
for (i=0; i<pheader->num_skins; i++)
{
mod->skins[0][i] = R_FindImage ((char *)pheader + pheader->ofs_skins + i*MAX_SKINNAME, it_skin);
}
mod->mins[0] = -32;
mod->mins[1] = -32;
mod->mins[2] = -32;
mod->maxs[0] = 32;
mod->maxs[1] = 32;
mod->maxs[2] = 32;
#ifdef PROJECTION_SHADOWS // projection shadows from BeefQuake R6
mod->edge_tri = malloc(sizeof(int) * pheader->num_tris * 3);
Mod_BuildMD2TriangleNeighbors (mod);
#endif // end projection shadows from BeefQuake R6
mod->hasAlpha = false;
// Mod_LoadMD2ModelScript (mod, pheader); // md2 skin scripting
mod->type = mod_md2;
}
#endif // MD2_AS_MD3
//Harven++ MD3
//
// Some Vic code here not fully used
//
/*
===============
Mod_FindTriangleWithEdge
===============
*/
int Mod_FindTriangleWithEdge (maliasmesh_t *mesh, index_t p1, index_t p2, int ignore)
{
int i, match, count;
index_t *indexes;
count = 0;
match = -1;
for (i=0, indexes=mesh->indexes; i<mesh->num_tris; i++, indexes+=3)
{
if ( (indexes[0] == p2 && indexes[1] == p1)
|| (indexes[1] == p2 && indexes[2] == p1)
|| (indexes[2] == p2 && indexes[0] == p1) ) {
if (i != ignore)
match = i;
count++;
}
else if ( (indexes[0] == p1 && indexes[1] == p2)
|| (indexes[1] == p1 && indexes[2] == p2)
|| (indexes[2] == p1 && indexes[0] == p2) )
count++;
}
// detect edges shared by three triangles and make them seams
if (count > 2)
match = -1;
return match;
}
/*
===============
Mod_BuildTriangleNeighbors
===============
*/
void Mod_BuildTriangleNeighbors (maliasmesh_t *mesh)
{
int i, *n;
index_t *index;
for (i=0, n=mesh->trneighbors, index=mesh->indexes; i<mesh->num_tris; i++, n+=3, index+=3)
{
n[0] = Mod_FindTriangleWithEdge (mesh, index[0], index[1], i);
n[1] = Mod_FindTriangleWithEdge (mesh, index[1], index[2], i);
n[2] = Mod_FindTriangleWithEdge (mesh, index[2], index[0], i);
}
}
#ifdef MD2_AS_MD3
/*
=================
NormalToLatLong
=================
*/
void NormalToLatLong (const vec3_t normal, byte bytes[2])
{
int lat, lng;
if (normal[0] == 0 && normal[1] == 0){
if (normal[2] > 0){
// Lattitude = 0, Longitude = 0
bytes[0] = 0;
bytes[1] = 0;
}
else {
// Lattitude = 0, Longitude = 128
bytes[0] = 128;
bytes[1] = 0;
}
}
else {
lat = RAD2DEG(atan2(normal[1], normal[0])) * (255.0 / 360.0);
lng = RAD2DEG(acos(normal[2])) * (255.0 / 360.0);
bytes[0] = lng & 0xff;
bytes[1] = lat & 0xff;
}
}
int md2IndRemap[MAX_TRIANGLES*3];
unsigned int md2TempIndex[MAX_TRIANGLES*3];
unsigned int md2TempStIndex[MAX_TRIANGLES*3];
/*
=================
Mod_GetAllocSizeMD2New
Calc exact alloc size for MD2 in memory
=================
*/
size_t Mod_GetAllocSizeMD2New (model_t *mod, void *buffer)
{
int i, j, numFrames, numMeshes, numTris, numIndex, numVerts, numSkins;
dmdl_t *pinmodel;
dtriangle_t *pintri;
// int md2IndRemap[MAX_TRIANGLES*3];
// unsigned int md2TempIndex[MAX_TRIANGLES*3], md2TempStIndex[MAX_TRIANGLES*3];
size_t headerSize, meshSize, indexSize, coordSize, frameSize, vertSize, trNeighborsSize, skinSize;
size_t allocSize;
pinmodel = (dmdl_t *)buffer;
numFrames = LittleLong(pinmodel->num_frames);
numMeshes = 1;
numTris = LittleLong(pinmodel->num_tris);
// count unique verts
// numVerts = LittleLong(pinmodel->num_xyz);
numVerts = 0;
numIndex = numTris * 3;
pintri = (dtriangle_t *)((byte *)pinmodel + LittleLong(pinmodel->ofs_tris));
for (i=0; i < numTris; i++)
{
md2TempIndex[i*3+0] = (unsigned)LittleShort(pintri[i].index_xyz[0]);
md2TempIndex[i*3+1] = (unsigned)LittleShort(pintri[i].index_xyz[1]);
md2TempIndex[i*3+2] = (unsigned)LittleShort(pintri[i].index_xyz[2]);
md2TempStIndex[i*3+0] = (unsigned)LittleShort(pintri[i].index_st[0]);
md2TempStIndex[i*3+1] = (unsigned)LittleShort(pintri[i].index_st[1]);
md2TempStIndex[i*3+2] = (unsigned)LittleShort(pintri[i].index_st[2]);
}
memset(md2IndRemap, -1, MAX_TRIANGLES * 3 * sizeof(int));
for (i=0; i < numIndex; i++)
{
if (md2IndRemap[i] != -1) continue;
for (j=0; j < numIndex; j++)
{
if (j == i) continue;
if ((md2TempIndex[j] == md2TempIndex[i]) && (md2TempStIndex[j] == md2TempStIndex[i]))
md2IndRemap[j] = i;
}
}
for (i=0; i < numIndex; i++)
{
if (md2IndRemap[i] == -1) numVerts++;
}
numSkins = max(LittleLong(pinmodel->num_skins), 1); // hack because player models have no skin refs
// calc sizes rounded to cacheline
headerSize = (sizeof(maliasmodel_t) + 31) & ~31;
meshSize = ((sizeof(maliasmesh_t) * numMeshes) + 31) & ~31;
indexSize = ((sizeof(index_t) * numTris * 3) + 31) & ~31;
coordSize = ((sizeof(maliascoord_t) * numVerts) + 31) & ~31;
frameSize = ((sizeof(maliasframe_t) * numFrames) + 31) & ~31;
vertSize = ((numFrames * numVerts * sizeof(maliasvertex_t)) + 31) & ~31;
trNeighborsSize = ((sizeof(int) * numTris * 3) + 31) & ~31;
skinSize = ((sizeof(maliasskin_t) * numSkins) + 31) & ~31;
allocSize = headerSize + meshSize + indexSize + coordSize + frameSize + vertSize + trNeighborsSize + skinSize;
return allocSize;
}
/*
=================
Mod_LoadAliasMD2ModelNew
Based on md2 loading code in Q2E 0.40
Mod_GetAllocSizeMD2() must be called first to init
index and remap arrays.
=================
*/
void Mod_LoadAliasMD2ModelNew (model_t *mod, void *buffer)
{
int i, j;
int version;
dmdl_t *pinmodel;
daliasframe_t *pinframe;
dtriangle_t *pintri;
dstvert_t *pincoord;
maliasmodel_t *poutmodel;
maliasframe_t *poutframe;
maliasmesh_t *poutmesh;
maliasskin_t *poutskin;
maliasvertex_t *poutvert;
maliascoord_t *poutcoord;
index_t *poutindex;
char name[MD3_MAX_PATH];
// int md2IndRemap[MAX_TRIANGLES*3];
// unsigned md2TempIndex[MAX_TRIANGLES*3], md2TempStIndex[MAX_TRIANGLES*3];
int numIndices, numVertices;
double skinWidth, skinHeight;
vec3_t normal;
pinmodel = (dmdl_t *)buffer;
// poutmodel = Hunk_Alloc (sizeof(maliasmodel_t));
poutmodel = ModChunk_Alloc (sizeof(maliasmodel_t));
// byte swap the header fields and sanity check
version = LittleLong (pinmodel->version);
if (version != ALIAS_VERSION) {
VID_Error (ERR_DROP, "%s has wrong version number (%i should be %i)",
mod->name, version, ALIAS_VERSION);
}
poutmodel->num_frames = LittleLong ( pinmodel->num_frames );
if (poutmodel->num_frames > MAX_FRAMES || poutmodel->num_frames <= 0)
VID_Error (ERR_DROP, "model %s has invalid number of frames (%i)", mod->name, poutmodel->num_frames);
poutmodel->num_tags = 0;
poutmodel->num_meshes = 1;
skinWidth = 1.0 / (double)LittleLong(pinmodel->skinwidth);
skinHeight = 1.0 / (double)LittleLong(pinmodel->skinheight);
//
// load mesh info
//
// poutmesh = poutmodel->meshes = Hunk_Alloc(sizeof(maliasmesh_t));
poutmesh = poutmodel->meshes = ModChunk_Alloc(sizeof(maliasmesh_t));
Com_sprintf(poutmesh->name, sizeof(poutmesh->name), "md2mesh"); // mesh name in script must match this
poutmesh->num_tris = LittleLong(pinmodel->num_tris);
if (poutmesh->num_tris > MAX_TRIANGLES || poutmesh->num_tris <= 0)
VID_Error (ERR_DROP, "model %s has invalid number of triangles (%i)", mod->name, poutmesh->num_tris);
poutmesh->num_verts = LittleLong(pinmodel->num_xyz);
if (poutmesh->num_verts > MAX_VERTS || poutmesh->num_verts <= 0)
VID_Error (ERR_DROP, "model %s has invalid number of vertices (%i)", mod->name, poutmesh->num_verts);
poutmesh->num_skins = LittleLong(pinmodel->num_skins);
if (poutmesh->num_skins > MAX_MD2SKINS || poutmesh->num_skins < 0)
Com_Error(ERR_DROP, "model %s has invalid number of skins (%i)", mod->name, poutmesh->num_skins);
pintri = (dtriangle_t *)((byte *)pinmodel + LittleLong(pinmodel->ofs_tris));
// DO NOT DELETE!!! Needed if Mod_GetAllocSizeMD2() is removed!
/* for (i=0; i < poutmesh->num_tris; i++)
{
md2TempIndex[i*3+0] = (unsigned)LittleShort(pintri[i].index_xyz[0]);
md2TempIndex[i*3+1] = (unsigned)LittleShort(pintri[i].index_xyz[1]);
md2TempIndex[i*3+2] = (unsigned)LittleShort(pintri[i].index_xyz[2]);
md2TempStIndex[i*3+0] = (unsigned)LittleShort(pintri[i].index_st[0]);
md2TempStIndex[i*3+1] = (unsigned)LittleShort(pintri[i].index_st[1]);
md2TempStIndex[i*3+2] = (unsigned)LittleShort(pintri[i].index_st[2]);
}*/
//
// build list of unique vertices
//
numIndices = poutmesh->num_tris * 3;
numVertices = 0;
// poutindex = poutmesh->indexes = Hunk_Alloc( sizeof(index_t) * poutmesh->num_tris * 3 );
poutindex = poutmesh->indexes = ModChunk_Alloc(sizeof(index_t) * poutmesh->num_tris * 3 );
// DO NOT DELETE!!! Needed if Mod_GetAllocSizeMD2() is removed!
/* memset(md2IndRemap, -1, MAX_TRIANGLES * 3 * sizeof(int));
for (i=0; i < numIndices; i++)
{
if (md2IndRemap[i] != -1)
continue;
for (j=0; j < numIndices; j++)
{
if (j == i)
continue;
if ((md2TempIndex[j] == md2TempIndex[i]) && (md2TempStIndex[j] == md2TempStIndex[i]))
md2IndRemap[j] = i;
}
}*/
//
// count unique vertices
//
for (i=0; i < numIndices; i++)
{
if (md2IndRemap[i] != -1)
continue;
poutindex[i] = numVertices++;
md2IndRemap[i] = i;
}
poutmesh->num_verts = numVertices;
//
// remap remaining indices
//
for (i=0; i < numIndices; i++) {
if (md2IndRemap[i] != i)
poutindex[i] = poutindex[md2IndRemap[i]];
}
//
// load base S and T vertices
//
pincoord = (dstvert_t *)((byte *)pinmodel + LittleLong(pinmodel->ofs_st));
// poutcoord = poutmesh->stcoords = Hunk_Alloc ( sizeof(maliascoord_t) * poutmesh->num_verts );
poutcoord = poutmesh->stcoords = ModChunk_Alloc (sizeof(maliascoord_t) * poutmesh->num_verts);
for (i=0; i < numIndices; i++) {
poutcoord[poutindex[i]].st[0] = (float)(((double)LittleShort(pincoord[md2TempStIndex[md2IndRemap[i]]].s) + 0.5) * skinWidth);
poutcoord[poutindex[i]].st[1] = (float)(((double)LittleShort(pincoord[md2TempStIndex[md2IndRemap[i]]].t) + 0.5) * skinHeight);
}
//
// load the frames
//
// poutframe = poutmodel->frames = Hunk_Alloc ( sizeof(maliasframe_t) * poutmodel->num_frames );
// poutvert = poutmesh->vertexes = Hunk_Alloc ( poutmodel->num_frames * poutmesh->num_verts * sizeof(maliasvertex_t) );
poutframe = poutmodel->frames = ModChunk_Alloc (sizeof(maliasframe_t) * poutmodel->num_frames);
poutvert = poutmesh->vertexes = ModChunk_Alloc (poutmodel->num_frames * poutmesh->num_verts * sizeof(maliasvertex_t));
mod->radius = 0;
ClearBounds(mod->mins, mod->maxs);
for (i=0; i < poutmodel->num_frames; i++, pinframe++, poutframe++, poutvert += numVertices)
{
pinframe = (daliasframe_t *)((byte *)pinmodel + LittleLong(pinmodel->ofs_frames) + i*LittleLong(pinmodel->framesize));
poutframe->scale[0] = LittleFloat(pinframe->scale[0]);
poutframe->scale[1] = LittleFloat(pinframe->scale[1]);
poutframe->scale[2] = LittleFloat(pinframe->scale[2]);
poutframe->translate[0] = LittleFloat(pinframe->translate[0]);
poutframe->translate[1] = LittleFloat(pinframe->translate[1]);
poutframe->translate[2] = LittleFloat(pinframe->translate[2]);
VectorCopy (poutframe->translate, poutframe->mins);
VectorMA (poutframe->translate, 255, poutframe->scale, poutframe->maxs);
poutframe->radius = RadiusFromBounds(poutframe->mins, poutframe->maxs);
mod->radius = max ( mod->radius, poutframe->radius );
AddPointToBounds(poutframe->mins, mod->mins, mod->maxs);
AddPointToBounds(poutframe->maxs, mod->mins, mod->maxs);
//
// load the vertexes and normals
//
for (j=0; j < numIndices; j++)
{
poutvert[poutindex[j]].xyz[0] = (short)pinframe->verts[md2TempIndex[md2IndRemap[j]]].v[0];
poutvert[poutindex[j]].xyz[1] = (short)pinframe->verts[md2TempIndex[md2IndRemap[j]]].v[1];
poutvert[poutindex[j]].xyz[2] = (short)pinframe->verts[md2TempIndex[md2IndRemap[j]]].v[2];
poutvert[poutindex[j]].lightnormalindex = pinframe->verts[md2TempIndex[md2IndRemap[j]]].lightnormalindex;
normal[0] = r_avertexnormals[poutvert[poutindex[j]].lightnormalindex][0];
normal[1] = r_avertexnormals[poutvert[poutindex[j]].lightnormalindex][1];
normal[2] = r_avertexnormals[poutvert[poutindex[j]].lightnormalindex][2];
NormalToLatLong(normal, poutvert[poutindex[j]].normal);
}
}
//
// build triangle neighbors
//
// poutmesh->trneighbors = Hunk_Alloc ( sizeof(int) * poutmesh->num_tris * 3 );
poutmesh->trneighbors = ModChunk_Alloc (sizeof(int) * poutmesh->num_tris * 3);
Mod_BuildTriangleNeighbors (poutmesh);
//
// register all skins
//
if (poutmesh->num_skins <= 0) // hack for player models with no skin refs
{
// poutskin = poutmesh->skins = Hunk_Alloc ( sizeof(maliasskin_t) * 1 );
poutskin = poutmesh->skins = ModChunk_Alloc (sizeof(maliasskin_t) * 1);
poutmesh->num_skins = 1;
Com_sprintf(name, sizeof(name), "players/male/grunt.pcx");
memcpy(poutskin->name, name, MD3_MAX_PATH);
Com_sprintf(poutskin->glowname, sizeof(poutskin->glowname), "\0"); // set null glowskin
mod->skins[0][0] = R_FindImage (name, it_skin);
}
else
{
// poutskin = poutmesh->skins = Hunk_Alloc ( sizeof(maliasskin_t) * poutmesh->num_skins );
poutskin = poutmesh->skins = ModChunk_Alloc (sizeof(maliasskin_t) * poutmesh->num_skins);
for (i=0; i < poutmesh->num_skins; i++, poutskin++)
{
memcpy(name, ((char *)pinmodel + LittleLong(pinmodel->ofs_skins) + i*MAX_SKINNAME), MD3_MAX_PATH);
memcpy(poutskin->name, name, MD3_MAX_PATH);
Com_sprintf(poutskin->glowname, sizeof(poutskin->glowname), "\0"); // set null glowskin
mod->skins[0][i] = R_FindImage (name, it_skin);
}
}
mod->hasAlpha = false;
Mod_LoadModelScript (mod, poutmodel); // md3 skin scripting
//if (mod->hasAlpha)
// VID_Printf (PRINT_ALL, "Mod_LoadAliasMD2Model: model %s has trans mesh\n", mod->name);
mod->type = mod_alias;
}
#endif // MD2_AS_MD3
//
// And here some Vic and some my (Harven)
//
/*
=================
Mod_GetAllocSizeMD3
Calc exact alloc size for MD3 in memory
=================
*/
size_t Mod_GetAllocSizeMD3 (model_t *mod, void *buffer)
{
int i, numFrames, numTags, numMeshes, numSkins, numTris, numVerts;
dmd3_t *pinmodel;
dmd3mesh_t *pinmesh;
size_t headerSize, frameSize, tagSize, meshSize;
size_t skinSize=0, indexSize=0, coordSize=0, vertSize=0, trNeighborsSize=0;
size_t allocSize;
pinmodel = (dmd3_t *)buffer;
numFrames = LittleLong(pinmodel->num_frames);
numTags = LittleLong(pinmodel->num_tags);
numMeshes = LittleLong(pinmodel->num_meshes);
// calc sizes rounded to cacheline
headerSize = (sizeof(maliasmodel_t) + 31) & ~31;
frameSize = ((sizeof(maliasframe_t) * numFrames) + 31) & ~31;
tagSize = ((sizeof(maliastag_t) * numFrames * numTags) + 31) & ~31;
meshSize = ((sizeof(maliasmesh_t) * numMeshes) + 31) & ~31;
pinmesh = (dmd3mesh_t *)((byte *)pinmodel + LittleLong (pinmodel->ofs_meshes));
for (i=0; i < numMeshes; i++)
{
numSkins = LittleLong(pinmesh->num_skins);
numTris = LittleLong(pinmesh->num_tris);
numVerts = LittleLong(pinmesh->num_verts);
skinSize += ((sizeof(maliasskin_t) * numSkins) + 31) & ~31;
indexSize += ((sizeof(index_t) * numTris * 3) + 31) & ~31;
coordSize += ((sizeof(maliascoord_t) * numVerts) + 31) & ~31;
vertSize += ((numFrames * numVerts * sizeof(maliasvertex_t)) + 31) & ~31;
trNeighborsSize += ((sizeof(int) * numTris * 3) + 31) & ~31;
pinmesh = (dmd3mesh_t *)((byte *)pinmesh + LittleLong (pinmesh->meshsize));
}
allocSize = headerSize + frameSize + tagSize + meshSize + skinSize + indexSize + coordSize + vertSize + trNeighborsSize;
return allocSize;
}
/*
=================
Mod_LoadAliasMD3Model
=================
*/
void Mod_LoadAliasMD3Model (model_t *mod, void *buffer)
{
int version, maxdotindex, i, j, l, k;
dmd3_t *pinmodel;
dmd3frame_t *pinframe;
dmd3tag_t *pintag;
dmd3mesh_t *pinmesh;
dmd3skin_t *pinskin;
dmd3coord_t *pincoord;
dmd3vertex_t *pinvert;
index_t *pinindex, *poutindex;
maliasvertex_t *poutvert;
maliascoord_t *poutcoord;
maliasskin_t *poutskin;
maliasmesh_t *poutmesh;
maliastag_t *pouttag;
maliasframe_t *poutframe;
maliasmodel_t *poutmodel;
char name[MD3_MAX_PATH];
float lat, lng, maxdot;
vec3_t normal;
pinmodel = ( dmd3_t * )buffer;
version = LittleLong( pinmodel->version );
if ( version != MD3_ALIAS_VERSION )
{
VID_Error (ERR_DROP, "%s has wrong version number (%i should be %i)",
mod->name, version, MD3_ALIAS_VERSION);
}
// poutmodel = Hunk_Alloc (sizeof(maliasmodel_t));
poutmodel = ModChunk_Alloc (sizeof(maliasmodel_t));
// byte swap the header fields and sanity check
poutmodel->num_frames = LittleLong ( pinmodel->num_frames );
poutmodel->num_tags = LittleLong ( pinmodel->num_tags );
poutmodel->num_meshes = LittleLong ( pinmodel->num_meshes );
if ( poutmodel->num_frames <= 0 )
VID_Error ( ERR_DROP, "model %s has no frames", mod->name );
else if ( poutmodel->num_frames > MD3_MAX_FRAMES )
VID_Error ( ERR_DROP, "model %s has too many frames", mod->name );
if ( poutmodel->num_tags > MD3_MAX_TAGS )
VID_Error ( ERR_DROP, "model %s has too many tags", mod->name );
else if ( poutmodel->num_tags < 0 )
VID_Error ( ERR_DROP, "model %s has invalid number of tags", mod->name );
if ( poutmodel->num_meshes <= 0 )
VID_Error ( ERR_DROP, "model %s has no meshes", mod->name );
else if ( poutmodel->num_meshes > MD3_MAX_MESHES )
VID_Error ( ERR_DROP, "model %s has too many meshes", mod->name );
//
// load the frames
//
pinframe = (dmd3frame_t *)((byte *)pinmodel + LittleLong (pinmodel->ofs_frames));
// poutframe = poutmodel->frames = Hunk_Alloc ( sizeof(maliasframe_t) * poutmodel->num_frames);
poutframe = poutmodel->frames = ModChunk_Alloc ( sizeof(maliasframe_t) * poutmodel->num_frames);
mod->radius = 0;
ClearBounds ( mod->mins, mod->maxs );
for ( i = 0; i < poutmodel->num_frames; i++, pinframe++, poutframe++ )
{
for ( j = 0; j < 3; j++ )
{
poutframe->mins[j] = LittleFloat ( pinframe->mins[j] );
poutframe->maxs[j] = LittleFloat ( pinframe->maxs[j] );
poutframe->scale[j] = MD3_XYZ_SCALE;
poutframe->translate[j] = LittleFloat ( pinframe->translate[j] );
}
poutframe->radius = LittleFloat ( pinframe->radius );
mod->radius = max ( mod->radius, poutframe->radius );
AddPointToBounds ( poutframe->mins, mod->mins, mod->maxs );
AddPointToBounds ( poutframe->maxs, mod->mins, mod->maxs );
}
//
// load the tags
//
pintag = (dmd3tag_t *)((byte *)pinmodel + LittleLong (pinmodel->ofs_tags));
// pouttag = poutmodel->tags = Hunk_Alloc( sizeof(maliastag_t) * poutmodel->num_frames * poutmodel->num_tags);
pouttag = poutmodel->tags = ModChunk_Alloc(sizeof(maliastag_t) * poutmodel->num_frames * poutmodel->num_tags);
for ( i = 0; i < poutmodel->num_frames; i++ )
{
for ( l = 0; l < poutmodel->num_tags; l++, pintag++, pouttag++ )
{
memcpy ( pouttag->name, pintag->name, MD3_MAX_PATH );
for ( j = 0; j < 3; j++ ) {
pouttag->orient.origin[j] = LittleFloat ( pintag->orient.origin[j] );
pouttag->orient.axis[0][j] = LittleFloat ( pintag->orient.axis[0][j] );
pouttag->orient.axis[1][j] = LittleFloat ( pintag->orient.axis[1][j] );
pouttag->orient.axis[2][j] = LittleFloat ( pintag->orient.axis[2][j] );
}
/* VID_Printf (PRINT_ALL, "Tag origin: (%f %f %f) axis X: (%f %f %f) Y: (%f %f %f) Z: (%f %f %f)\n",
pouttag->orient.origin[0], pouttag->orient.origin[1], pouttag->orient.origin[2],
pouttag->orient.axis[0][0], pouttag->orient.axis[0][1], pouttag->orient.axis[0][2],
pouttag->orient.axis[1][0], pouttag->orient.axis[1][1], pouttag->orient.axis[1][2],
pouttag->orient.axis[2][0], pouttag->orient.axis[2][1], pouttag->orient.axis[2][2]);
*/
}
}
//
// load the meshes
//
pinmesh = (dmd3mesh_t *)((byte *)pinmodel + LittleLong (pinmodel->ofs_meshes));
// poutmesh = poutmodel->meshes = Hunk_Alloc ( sizeof(maliasmesh_t)*poutmodel->num_meshes);
poutmesh = poutmodel->meshes = ModChunk_Alloc (sizeof(maliasmesh_t)*poutmodel->num_meshes);
for ( i = 0; i < poutmodel->num_meshes; i++, poutmesh++)
{
memcpy (poutmesh->name, pinmesh->name, MD3_MAX_PATH);
if ( strncmp ((const char *)pinmesh->id, "IDP3", 4))
{
VID_Error ( ERR_DROP, "mesh %s in model %s has wrong id (%i should be %i)",
poutmesh->name, mod->name, LittleLong((int)pinmesh->id), IDMD3HEADER );
}
poutmesh->num_tris = LittleLong ( pinmesh->num_tris );
poutmesh->num_skins = LittleLong ( pinmesh->num_skins );
poutmesh->num_verts = LittleLong ( pinmesh->num_verts );
if ( poutmesh->num_skins <= 0 )
VID_Error ( ERR_DROP, "mesh %i in model %s has no skins", i, mod->name );
else if ( poutmesh->num_skins > MD3_MAX_SHADERS )
VID_Error ( ERR_DROP, "mesh %i in model %s has too many skins", i, mod->name );
if ( poutmesh->num_tris <= 0 )
VID_Error ( ERR_DROP, "mesh %i in model %s has no triangles", i, mod->name );
else if ( poutmesh->num_tris > MD3_MAX_TRIANGLES )
VID_Error ( ERR_DROP, "mesh %i in model %s has too many triangles", i, mod->name );
if ( poutmesh->num_verts <= 0 )
VID_Error ( ERR_DROP, "mesh %i in model %s has no vertices", i, mod->name );
else if ( poutmesh->num_verts > MD3_MAX_VERTS )
VID_Error ( ERR_DROP, "mesh %i in model %s has too many vertices", i, mod->name );
//
// register all skins
//
pinskin = (dmd3skin_t *)((byte *)pinmesh + LittleLong (pinmesh->ofs_skins));
// poutskin = poutmesh->skins = Hunk_Alloc( sizeof(maliasskin_t) * poutmesh->num_skins );
poutskin = poutmesh->skins = ModChunk_Alloc(sizeof(maliasskin_t) * poutmesh->num_skins);
for ( j = 0; j < poutmesh->num_skins; j++, pinskin++, poutskin++ )
{
memcpy (name, pinskin->name, MD3_MAX_PATH);
if (name[1] == 'o')
name[0] = 'm';
if (name[1] == 'l')
name[0] = 'p';
memcpy (poutskin->name, name, MD3_MAX_PATH);
Com_sprintf(poutskin->glowname, sizeof(poutskin->glowname), "\0"); // set null glowskin
mod->skins[i][j] = R_FindImage (name, it_skin);
}
//
// load the indexes
//
pinindex = (index_t *)((byte *)pinmesh + LittleLong (pinmesh->ofs_tris));
// poutindex = poutmesh->indexes = Hunk_Alloc( sizeof(index_t) * poutmesh->num_tris * 3 );
poutindex = poutmesh->indexes = ModChunk_Alloc(sizeof(index_t) * poutmesh->num_tris * 3);
for ( j = 0; j < poutmesh->num_tris; j++, pinindex += 3, poutindex += 3 )
{
poutindex[0] = (index_t)LittleLong ( pinindex[0] );
poutindex[1] = (index_t)LittleLong ( pinindex[1] );
poutindex[2] = (index_t)LittleLong ( pinindex[2] );
}
//
// load the texture coordinates
//
pincoord = (dmd3coord_t *)((byte *)pinmesh + LittleLong (pinmesh->ofs_tcs));
// poutcoord = poutmesh->stcoords = Hunk_Alloc( sizeof(maliascoord_t) * poutmesh->num_verts);
poutcoord = poutmesh->stcoords = ModChunk_Alloc(sizeof(maliascoord_t) * poutmesh->num_verts);
for ( j = 0; j < poutmesh->num_verts; j++, pincoord++, poutcoord++ )
{
poutcoord->st[0] = LittleFloat ( pincoord->st[0] );
poutcoord->st[1] = LittleFloat ( pincoord->st[1] );
}
//
// load the vertexes and normals
//
pinvert = (dmd3vertex_t *)((byte *)pinmesh + LittleLong (pinmesh->ofs_verts));
// poutvert = poutmesh->vertexes = Hunk_Alloc(poutmodel->num_frames * poutmesh->num_verts * sizeof(maliasvertex_t));
poutvert = poutmesh->vertexes = ModChunk_Alloc(poutmodel->num_frames * poutmesh->num_verts * sizeof(maliasvertex_t));
for ( l = 0; l < poutmodel->num_frames; l++ )
{
for ( j = 0; j < poutmesh->num_verts; j++, pinvert++, poutvert++ )
{
poutvert->xyz[0] = LittleShort(pinvert->point[0]);
poutvert->xyz[1] = LittleShort(pinvert->point[1]);
poutvert->xyz[2] = LittleShort(pinvert->point[2]);
poutvert->normal[0] = (LittleShort(pinvert->norm) >> 0) & 0xff;
poutvert->normal[1] = (LittleShort(pinvert->norm) >> 8) & 0xff;
lat = (pinvert->norm >> 8) & 0xff;
lng = (pinvert->norm & 0xff);
lat *= M_PI/128;
lng *= M_PI/128;
normal[0] = cos(lat) * sin(lng);
normal[1] = sin(lat) * sin(lng);
normal[2] = cos(lng);
// use ye olde quantized normals for shading
maxdot = -999999.0;
maxdotindex = -1;
for (k=0; k<NUMVERTEXNORMALS; k++)
{
float dot = DotProduct (normal, r_avertexnormals[k]);
if (dot > maxdot) {
maxdot = dot;
maxdotindex = k;
}
}
poutvert->lightnormalindex = maxdotindex;
}
}
pinmesh = (dmd3mesh_t *)((byte *)pinmesh + LittleLong (pinmesh->meshsize));
//
// build triangle neighbors
//
// poutmesh->trneighbors = Hunk_Alloc (sizeof(int) * poutmesh->num_tris * 3);
poutmesh->trneighbors = ModChunk_Alloc (sizeof(int) * poutmesh->num_tris * 3);
Mod_BuildTriangleNeighbors (poutmesh);
}
mod->hasAlpha = false;
Mod_LoadModelScript (mod, poutmodel); // md3 skin scripting
//if (mod->hasAlpha)
// VID_Printf (PRINT_ALL, "Mod_LoadAliasMD3Model: model %s has trans mesh\n", mod->name);
mod->type = mod_alias;
}
//Harven-- MD3
/*
==============================================================================
SPRITE MODELS
==============================================================================
*/
/*
=================
Mod_GetAllocSizeSprite
Calc exact alloc size for sprite in memory
=================
*/
size_t Mod_GetAllocSizeSprite (model_t *mod, void *buffer)
{
size_t allocSize;
// calc memory allocation size
allocSize = ((modfilelen) + 31) & ~31;
return allocSize;
}
/*
=================
Mod_LoadSpriteModel
=================
*/
void Mod_LoadSpriteModel (model_t *mod, void *buffer)
{
dsprite_t *sprin, *sprout;
int i;
sprin = (dsprite_t *)buffer;
// sprout = Hunk_Alloc (modfilelen);
sprout = ModChunk_Alloc (modfilelen);
sprout->ident = LittleLong (sprin->ident);
sprout->version = LittleLong (sprin->version);
sprout->numframes = LittleLong (sprin->numframes);
if (sprout->version != SPRITE_VERSION)
VID_Error (ERR_DROP, "%s has wrong version number (%i should be %i)",
mod->name, sprout->version, SPRITE_VERSION);
if (sprout->numframes > MAX_MD2SKINS)
VID_Error (ERR_DROP, "%s has too many frames (%i > %i)",
mod->name, sprout->numframes, MAX_MD2SKINS);
// byte swap everything
for (i=0 ; i<sprout->numframes ; i++)
{
sprout->frames[i].width = LittleLong (sprin->frames[i].width);
sprout->frames[i].height = LittleLong (sprin->frames[i].height);
sprout->frames[i].origin_x = LittleLong (sprin->frames[i].origin_x);
sprout->frames[i].origin_y = LittleLong (sprin->frames[i].origin_y);
memcpy (sprout->frames[i].name, sprin->frames[i].name, MAX_SKINNAME);
mod->skins[0][i] = R_FindImage (sprout->frames[i].name,
it_sprite);
}
mod->type = mod_sprite;
}
//=============================================================================
/*
@@@@@@@@@@@@@@@@@@@@@
R_BeginRegistration
Specifies the model that will be used as the world
@@@@@@@@@@@@@@@@@@@@@
*/
void R_BeginRegistration (char *model)
{
char fullname[MAX_QPATH];
cvar_t *flushmap;
registration_sequence++;
r_oldviewcluster = -1; // force markleafs
Mod_InitFailedTexList (); // clear failed texture list
Mod_InitWalSizeList (); // clear wal size list
Com_sprintf (fullname, sizeof(fullname), "maps/%s.bsp", model);
// explicitly free the old map if different
// this guarantees that mod_known[0] is the world map
flushmap = Cvar_Get ("flushmap", "0", 0);
if (strcmp(mod_known[0].name, fullname) || flushmap->integer) {
Mod_Free (&mod_known[0]);
// clear this on map change (case of different server and autodownloading)
R_InitFailedImgList ();
}
r_worldmodel = Mod_ForName(fullname, true);
r_viewcluster = -1;
registration_active = true; // map registration flag
}
/*
@@@@@@@@@@@@@@@@@@@@@
R_RegisterModel
@@@@@@@@@@@@@@@@@@@@@
*/
struct model_s *R_RegisterModel (char *name)
{
model_t *mod;
int i;
dsprite_t *sprout;
#ifndef MD2_AS_MD3 // Knightmare- no longer used!
dmdl_t *pheader;
#endif // MD2_AS_MD3
// Harven++ MD3
maliasmodel_t *pheader3;
// Harven-- MD3
// Knightmare- MD3 autoreplace code
int len = strlen(name);
if (!strcmp(name+len-4, ".md2")) // look if we have a .md2 file
{
char s[128];
// strncpy(s,name);
Q_strncpyz(s, name, sizeof(s));
s[len-1]='3';
mod = R_RegisterModel (s);
if (mod)
return mod;
}
// end Knightmare
mod = Mod_ForName (name, false);
if (mod)
{
mod->registration_sequence = registration_sequence;
// register any images used by the models
if (mod->type == mod_sprite)
{
sprout = (dsprite_t *)mod->extradata;
for (i=0 ; i<sprout->numframes ; i++)
mod->skins[0][i] = R_FindImage (sprout->frames[i].name, it_sprite);
}
#ifndef MD2_AS_MD3 // Knightmare- no longer used!
else if (mod->type == mod_md2)
{
pheader = (dmdl_t *)mod->extradata;
for (i=0 ; i<pheader->num_skins ; i++)
mod->skins[0][i] = R_FindImage ((char *)pheader + pheader->ofs_skins + i*MAX_SKINNAME, it_skin);
mod->numframes = pheader->num_frames;
}
#endif // MD2_AS_MD3
// Harven++ MD3
else if (mod->type == mod_alias)
{
int k;
pheader3 = (maliasmodel_t *)mod->extradata;
for (i=0; i<pheader3->num_meshes; i++)
{
for (k=0; k<pheader3->meshes[i].num_skins; k++) {
mod->skins[i][k] = R_FindImage(pheader3->meshes[i].skins[k].name, it_skin);
if (strlen(pheader3->meshes[i].skins[k].glowname))
pheader3->meshes[i].skins[k].glowimage = R_FindImage(pheader3->meshes[i].skins[k].glowname, it_skin);
}
}
mod->numframes = pheader3->num_frames;
}
// Harven-- MD3
else if (mod->type == mod_brush)
{
for (i=0 ; i<mod->numtexinfo ; i++) {
mod->texinfo[i].image->registration_sequence = registration_sequence;
mod->texinfo[i].glow->registration_sequence = registration_sequence;
}
}
}
return mod;
}
/*
@@@@@@@@@@@@@@@@@@@@@
R_EndRegistration
@@@@@@@@@@@@@@@@@@@@@
*/
void R_EndRegistration (void)
{
int i;
model_t *mod;
for (i=0, mod=mod_known ; i<mod_numknown ; i++, mod++)
{
if (!mod->name[0])
continue;
if (mod->registration_sequence != registration_sequence)
{ // don't need this model
Mod_Free (mod);
}
}
R_FreeUnusedImages ();
registration_active = false; // map registration flag
}
//=============================================================================
/*
================
Mod_Free
================
*/
void Mod_Free (model_t *mod)
{
// Knightmare- only brush models use the hunk system now
// Hunk_Free (mod->extradata);
switch (mod->type)
{
case mod_brush:
Hunk_Free (mod->extradata);
break;
case mod_alias:
case mod_sprite:
default:
ModChunk_Free (mod->extradata);
break;
}
#ifdef PROJECTION_SHADOWS // projection shadows from BeefQuake R6
if (mod->edge_tri)
free (mod->edge_tri);
#endif // end projection shadows from BeefQuake R6
memset (mod, 0, sizeof(*mod));
}
/*
================
Mod_FreeAll
================
*/
void Mod_FreeAll (void)
{
int i;
for (i=0 ; i<mod_numknown ; i++)
{
if (mod_known[i].extradatasize)
Mod_Free (&mod_known[i]);
}
}
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