0,0 → 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][0] + j) = LittleFloat (*(&in->vecs[0][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"); |
} |
} |
|
|