model_sprite.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20 // models.c -- model loading and caching
  21
  22 // models are the only shared resource between a client and server running
  23 // on the same machine.
  24
  25 #include "quakedef.h"
  26 #include "image.h"
  27
  28 cvar_t r_mipsprites = {CVAR_SAVE, "r_mipsprites", "1", "mipmaps sprites so they render faster in the distance and do not display noise artifacts"};
  29 cvar_t r_labelsprites_scale = {CVAR_SAVE, "r_labelsprites_scale", "1", "global scale to apply to label sprites before conversion to HUD coordinates"};
  30 cvar_t r_labelsprites_roundtopixels = {CVAR_SAVE, "r_labelsprites_roundtopixels", "1", "try to make label sprites sharper by rounding their size to 0.5x or 1x and by rounding their position to whole pixels if possible"};
  31 cvar_t r_overheadsprites_perspective = {CVAR_SAVE, "r_overheadsprites_perspective", "5", "fake perspective effect for SPR_OVERHEAD sprites"};
  32 cvar_t r_overheadsprites_pushback = {CVAR_SAVE, "r_overheadsprites_pushback", "15", "how far to pull the SPR_OVERHEAD sprites toward the eye (used to avoid intersections with 3D models)"};
  33 cvar_t r_overheadsprites_scalex = {CVAR_SAVE, "r_overheadsprites_scalex", "1", "additional scale for overhead sprites for x axis"};
  34 cvar_t r_overheadsprites_scaley = {CVAR_SAVE, "r_overheadsprites_scaley", "1", "additional scale for overhead sprites for y axis"};
  35 cvar_t r_track_sprites = {CVAR_SAVE, "r_track_sprites", "1", "track SPR_LABEL* sprites by putting them as indicator at the screen border to rotate to"};
  36 cvar_t r_track_sprites_flags = {CVAR_SAVE, "r_track_sprites_flags", "1", "1: Rotate sprites accordingly, 2: Make it a continuous rotation"};
  37 cvar_t r_track_sprites_scalew = {CVAR_SAVE, "r_track_sprites_scalew", "1", "width scaling of tracked sprites"};
  38 cvar_t r_track_sprites_scaleh = {CVAR_SAVE, "r_track_sprites_scaleh", "1", "height scaling of tracked sprites"};
  39
  40 /*
  41 ===============
  42 Mod_SpriteInit
  43 ===============
  44 */
  45 void Mod_SpriteInit (void)
  46 {
  47         Cvar_RegisterVariable(&r_mipsprites);
  48         Cvar_RegisterVariable(&r_labelsprites_scale);
  49         Cvar_RegisterVariable(&r_labelsprites_roundtopixels);
  50         Cvar_RegisterVariable(&r_overheadsprites_perspective);
  51         Cvar_RegisterVariable(&r_overheadsprites_pushback);
  52         Cvar_RegisterVariable(&r_overheadsprites_scalex);
  53         Cvar_RegisterVariable(&r_overheadsprites_scaley);
  54         Cvar_RegisterVariable(&r_track_sprites);
  55         Cvar_RegisterVariable(&r_track_sprites_flags);
  56         Cvar_RegisterVariable(&r_track_sprites_scalew);
  57         Cvar_RegisterVariable(&r_track_sprites_scaleh);
  58 }
  59
  60 static void Mod_SpriteSetupTexture(texture_t *texture, skinframe_t *skinframe, qboolean fullbright, qboolean additive)
  61 {
  62         if (!skinframe)
  63                 skinframe = R_SkinFrame_LoadMissing();
  64         texture->offsetmapping = OFFSETMAPPING_OFF;
  65         texture->offsetscale = 1;
  66         texture->specularscalemod = 1;
  67         texture->specularpowermod = 1;
  68         texture->basematerialflags = MATERIALFLAG_WALL;
  69         if (fullbright)
  70                 texture->basematerialflags |= MATERIALFLAG_FULLBRIGHT;
  71         if (additive)
  72                 texture->basematerialflags |= MATERIALFLAG_ADD | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW;
  73         else if (skinframe->hasalpha)
  74                 texture->basematerialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW;
  75         texture->currentmaterialflags = texture->basematerialflags;
  76         texture->numskinframes = 1;
  77         texture->currentskinframe = texture->skinframes[0] = skinframe;
  78         texture->surfaceflags = 0;
  79         texture->supercontents = SUPERCONTENTS_SOLID;
  80         if (!(texture->basematerialflags & MATERIALFLAG_BLENDED))
  81                 texture->supercontents |= SUPERCONTENTS_OPAQUE;
  82 }
  83
  84 extern cvar_t gl_texturecompression_sprites;
  85
  86 static void Mod_Sprite_SharedSetup(const unsigned char *datapointer, int version, const unsigned int *palette, qboolean additive)
  87 {
  88         int                                     i, j, groupframes, realframes, x, y, origin[2], width, height;
  89         qboolean                        fullbright;
  90         dspriteframetype_t      *pinframetype;
  91         dspriteframe_t          *pinframe;
  92         dspritegroup_t          *pingroup;
  93         dspriteinterval_t       *pinintervals;
  94         skinframe_t                     *skinframe;
  95         float                           modelradius, interval;
  96         char                            name[MAX_QPATH], fogname[MAX_QPATH];
  97         const void                      *startframes;
  98         int                 texflags = (r_mipsprites.integer ? TEXF_MIPMAP : 0) | (gl_texturecompression_sprites.integer ? TEXF_COMPRESS : 0) | TEXF_ISSPRITE | TEXF_PICMIP | TEXF_ALPHA | TEXF_CLAMP;
  99         modelradius = 0;
 100
 101         if (loadmodel->numframes < 1)
 102                 Host_Error ("Mod_Sprite_SharedSetup: Invalid # of frames: %d", loadmodel->numframes);
 103
 104         // LordHavoc: hack to allow sprites to be non-fullbright
 105         fullbright = true;
 106         for (i = 0;i < MAX_QPATH && loadmodel->name[i];i++)
 107                 if (loadmodel->name[i] == '!')
 108                         fullbright = false;
 109
 110 //
 111 // load the frames
 112 //
 113         startframes = datapointer;
 114         realframes = 0;
 115         for (i = 0;i < loadmodel->numframes;i++)
 116         {
 117                 pinframetype = (dspriteframetype_t *)datapointer;
 118                 datapointer += sizeof(dspriteframetype_t);
 119
 120                 if (LittleLong (pinframetype->type) == SPR_SINGLE)
 121                         groupframes = 1;
 122                 else
 123                 {
 124                         pingroup = (dspritegroup_t *)datapointer;
 125                         datapointer += sizeof(dspritegroup_t);
 126
 127                         groupframes = LittleLong(pingroup->numframes);
 128
 129                         datapointer += sizeof(dspriteinterval_t) * groupframes;
 130                 }
 131
 132                 for (j = 0;j < groupframes;j++)
 133                 {
 134                         pinframe = (dspriteframe_t *)datapointer;
 135                         if (version == SPRITE32_VERSION)
 136                                 datapointer += sizeof(dspriteframe_t) + LittleLong(pinframe->width) * LittleLong(pinframe->height) * 4;
 137                         else //if (version == SPRITE_VERSION || version == SPRITEHL_VERSION)
 138                                 datapointer += sizeof(dspriteframe_t) + LittleLong(pinframe->width) * LittleLong(pinframe->height);
 139                 }
 140                 realframes += groupframes;
 141         }
 142
 143         loadmodel->animscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
 144         loadmodel->sprite.sprdata_frames = (mspriteframe_t *)Mem_Alloc(loadmodel->mempool, sizeof(mspriteframe_t) * realframes);
 145         loadmodel->num_textures = realframes;
 146         loadmodel->num_texturesperskin = 1;
 147         loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, sizeof(texture_t) * loadmodel->num_textures);
 148
 149         datapointer = (unsigned char *)startframes;
 150         realframes = 0;
 151         for (i = 0;i < loadmodel->numframes;i++)
 152         {
 153                 pinframetype = (dspriteframetype_t *)datapointer;
 154                 datapointer += sizeof(dspriteframetype_t);
 155
 156                 if (LittleLong (pinframetype->type) == SPR_SINGLE)
 157                 {
 158                         groupframes = 1;
 159                         interval = 0.1f;
 160                 }
 161                 else
 162                 {
 163                         pingroup = (dspritegroup_t *)datapointer;
 164                         datapointer += sizeof(dspritegroup_t);
 165
 166                         groupframes = LittleLong(pingroup->numframes);
 167
 168                         pinintervals = (dspriteinterval_t *)datapointer;
 169                         datapointer += sizeof(dspriteinterval_t) * groupframes;
 170
 171                         interval = LittleFloat(pinintervals[0].interval);
 172                         if (interval < 0.01f)
 173                                 Host_Error("Mod_Sprite_SharedSetup: invalid interval");
 174                 }
 175
 176                 dpsnprintf(loadmodel->animscenes[i].name, sizeof(loadmodel->animscenes[i].name), "frame %i", i);
 177                 loadmodel->animscenes[i].firstframe = realframes;
 178                 loadmodel->animscenes[i].framecount = groupframes;
 179                 loadmodel->animscenes[i].framerate = 1.0f / interval;
 180                 loadmodel->animscenes[i].loop = true;
 181
 182                 for (j = 0;j < groupframes;j++)
 183                 {
 184                         pinframe = (dspriteframe_t *)datapointer;
 185                         datapointer += sizeof(dspriteframe_t);
 186
 187                         origin[0] = LittleLong (pinframe->origin[0]);
 188                         origin[1] = LittleLong (pinframe->origin[1]);
 189                         width = LittleLong (pinframe->width);
 190                         height = LittleLong (pinframe->height);
 191
 192                         loadmodel->sprite.sprdata_frames[realframes].left = origin[0];
 193                         loadmodel->sprite.sprdata_frames[realframes].right = origin[0] + width;
 194                         loadmodel->sprite.sprdata_frames[realframes].up = origin[1];
 195                         loadmodel->sprite.sprdata_frames[realframes].down = origin[1] - height;
 196
 197                         x = (int)max(loadmodel->sprite.sprdata_frames[realframes].left * loadmodel->sprite.sprdata_frames[realframes].left, loadmodel->sprite.sprdata_frames[realframes].right * loadmodel->sprite.sprdata_frames[realframes].right);
 198                         y = (int)max(loadmodel->sprite.sprdata_frames[realframes].up * loadmodel->sprite.sprdata_frames[realframes].up, loadmodel->sprite.sprdata_frames[realframes].down * loadmodel->sprite.sprdata_frames[realframes].down);
 199                         if (modelradius < x + y)
 200                                 modelradius = x + y;
 201
 202                         if (cls.state != ca_dedicated)
 203                         {
 204                                 skinframe = NULL;
 205                                 // note: Nehahra's null.spr has width == 0 and height == 0
 206                                 if (width > 0 && height > 0)
 207                                 {
 208                                         if (groupframes > 1)
 209                                         {
 210                                                 dpsnprintf (name, sizeof(name), "%s_%i_%i", loadmodel->name, i, j);
 211                                                 dpsnprintf (fogname, sizeof(fogname), "%s_%i_%ifog", loadmodel->name, i, j);
 212                                         }
 213                                         else
 214                                         {
 215                                                 dpsnprintf (name, sizeof(name), "%s_%i", loadmodel->name, i);
 216                                                 dpsnprintf (fogname, sizeof(fogname), "%s_%ifog", loadmodel->name, i);
 217                                         }
 218                                         if (!(skinframe = R_SkinFrame_LoadExternal(name, texflags | TEXF_COMPRESS, false)))
 219                                         {
 220                                                 unsigned char *pixels = (unsigned char *) Mem_Alloc(loadmodel->mempool, width*height*4);
 221                                                 if (version == SPRITE32_VERSION)
 222                                                 {
 223                                                         for (x = 0;x < width*height;x++)
 224                                                         {
 225                                                                 pixels[x*4+2] = datapointer[x*4+0];
 226                                                                 pixels[x*4+1] = datapointer[x*4+1];
 227                                                                 pixels[x*4+0] = datapointer[x*4+2];
 228                                                                 pixels[x*4+3] = datapointer[x*4+3];
 229                                                         }
 230                                                 }
 231                                                 else //if (version == SPRITEHL_VERSION || version == SPRITE_VERSION)
 232                                                         Image_Copy8bitBGRA(datapointer, pixels, width*height, palette ? palette : palette_bgra_transparent);
 233                                                 skinframe = R_SkinFrame_LoadInternalBGRA(name, texflags, pixels, width, height, false);
 234                                                 // texflags |= TEXF_COMPRESS;
 235                                                 Mem_Free(pixels);
 236                                         }
 237                                 }
 238                                 if (skinframe == NULL)
 239                                         skinframe = R_SkinFrame_LoadMissing();
 240                                 Mod_SpriteSetupTexture(&loadmodel->data_textures[realframes], skinframe, fullbright, additive);
 241                         }
 242
 243                         if (version == SPRITE32_VERSION)
 244                                 datapointer += width * height * 4;
 245                         else //if (version == SPRITE_VERSION || version == SPRITEHL_VERSION)
 246                                 datapointer += width * height;
 247                         realframes++;
 248                 }
 249         }
 250
 251         modelradius = sqrt(modelradius);
 252         for (i = 0;i < 3;i++)
 253         {
 254                 loadmodel->normalmins[i] = loadmodel->yawmins[i] = loadmodel->rotatedmins[i] = -modelradius;
 255                 loadmodel->normalmaxs[i] = loadmodel->yawmaxs[i] = loadmodel->rotatedmaxs[i] = modelradius;
 256         }
 257         loadmodel->radius = modelradius;
 258         loadmodel->radius2 = modelradius * modelradius;
 259 }
 260
 261 extern void R_Model_Sprite_Draw(entity_render_t *ent);
 262 void Mod_IDSP_Load(dp_model_t *mod, void *buffer, void *bufferend)
 263 {
 264         int version;
 265         const unsigned char *datapointer;
 266
 267         datapointer = (unsigned char *)buffer;
 268
 269         loadmodel->modeldatatypestring = "SPR1";
 270
 271         loadmodel->type = mod_sprite;
 272
 273         loadmodel->DrawSky = NULL;
 274         loadmodel->Draw = R_Model_Sprite_Draw;
 275         loadmodel->DrawDepth = NULL;
 276         loadmodel->CompileShadowVolume = NULL;
 277         loadmodel->DrawShadowVolume = NULL;
 278         loadmodel->DrawLight = NULL;
 279         loadmodel->DrawAddWaterPlanes = NULL;
 280
 281         version = LittleLong(((dsprite_t *)buffer)->version);
 282         if (version == SPRITE_VERSION || version == SPRITE32_VERSION)
 283         {
 284                 dsprite_t *pinqsprite;
 285
 286                 pinqsprite = (dsprite_t *)datapointer;
 287                 datapointer += sizeof(dsprite_t);
 288
 289                 loadmodel->numframes = LittleLong (pinqsprite->numframes);
 290                 loadmodel->sprite.sprnum_type = LittleLong (pinqsprite->type);
 291                 loadmodel->synctype = (synctype_t)LittleLong (pinqsprite->synctype);
 292
 293                 Mod_Sprite_SharedSetup(datapointer, LittleLong (pinqsprite->version), NULL, false);
 294         }
 295         else if (version == SPRITEHL_VERSION)
 296         {
 297                 int i, rendermode;
 298                 unsigned char palette[256][4];
 299                 const unsigned char *in;
 300                 dspritehl_t *pinhlsprite;
 301
 302                 pinhlsprite = (dspritehl_t *)datapointer;
 303                 datapointer += sizeof(dspritehl_t);
 304
 305                 loadmodel->numframes = LittleLong (pinhlsprite->numframes);
 306                 loadmodel->sprite.sprnum_type = LittleLong (pinhlsprite->type);
 307                 loadmodel->synctype = (synctype_t)LittleLong (pinhlsprite->synctype);
 308                 rendermode = pinhlsprite->rendermode;
 309
 310                 in = datapointer;
 311                 datapointer += 2;
 312                 i = in[0] + in[1] * 256;
 313                 if (i != 256)
 314                         Host_Error ("Mod_IDSP_Load: unexpected number of palette colors %i (should be 256)", i);
 315                 in = datapointer;
 316                 datapointer += 768;
 317                 switch(rendermode)
 318                 {
 319                 case SPRHL_OPAQUE:
 320                         for (i = 0;i < 256;i++)
 321                         {
 322                                 palette[i][2] = in[i*3+0];
 323                                 palette[i][1] = in[i*3+1];
 324                                 palette[i][0] = in[i*3+2];
 325                                 palette[i][3] = 255;
 326                         }
 327                         break;
 328                 case SPRHL_ADDITIVE:
 329                         for (i = 0;i < 256;i++)
 330                         {
 331                                 palette[i][2] = in[i*3+0];
 332                                 palette[i][1] = in[i*3+1];
 333                                 palette[i][0] = in[i*3+2];
 334                                 palette[i][3] = 255;
 335                         }
 336                         // also passes additive == true to Mod_Sprite_SharedSetup
 337                         break;
 338                 case SPRHL_INDEXALPHA:
 339                         for (i = 0;i < 256;i++)
 340                         {
 341                                 palette[i][2] = in[765];
 342                                 palette[i][1] = in[766];
 343                                 palette[i][0] = in[767];
 344                                 palette[i][3] = i;
 345                                 in += 3;
 346                         }
 347                         break;
 348                 case SPRHL_ALPHATEST:
 349                         for (i = 0;i < 256;i++)
 350                         {
 351                                 palette[i][2] = in[i*3+0];
 352                                 palette[i][1] = in[i*3+1];
 353                                 palette[i][0] = in[i*3+2];
 354                                 palette[i][3] = 255;
 355                         }
 356                         palette[255][0] = palette[255][1] = palette[255][2] = palette[255][3] = 0;
 357                         // should this use alpha test or alpha blend?  (currently blend)
 358                         break;
 359                 default:
 360                         Host_Error("Mod_IDSP_Load: unknown texFormat (%i, should be 0, 1, 2, or 3)", i);
 361                         return;
 362                 }
 363
 364                 Mod_Sprite_SharedSetup(datapointer, LittleLong (pinhlsprite->version), (unsigned int *)(&palette[0][0]), rendermode == SPRHL_ADDITIVE);
 365         }
 366         else
 367                 Host_Error("Mod_IDSP_Load: %s has wrong version number (%i). Only %i (quake), %i (HalfLife), and %i (sprite32) supported",
 368                                         loadmodel->name, version, SPRITE_VERSION, SPRITEHL_VERSION, SPRITE32_VERSION);
 369
 370         loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
 371 }
 372
 373
 374 void Mod_IDS2_Load(dp_model_t *mod, void *buffer, void *bufferend)
 375 {
 376         int i, version;
 377         qboolean fullbright;
 378         const dsprite2_t *pinqsprite;
 379         skinframe_t *skinframe;
 380         float modelradius;
 381         int texflags = (r_mipsprites.integer ? TEXF_MIPMAP : 0) | TEXF_ISSPRITE | TEXF_PICMIP | TEXF_COMPRESS | TEXF_ALPHA | TEXF_CLAMP;
 382
 383         loadmodel->modeldatatypestring = "SPR2";
 384
 385         loadmodel->type = mod_sprite;
 386
 387         loadmodel->DrawSky = NULL;
 388         loadmodel->Draw = R_Model_Sprite_Draw;
 389         loadmodel->DrawDepth = NULL;
 390         loadmodel->CompileShadowVolume = NULL;
 391         loadmodel->DrawShadowVolume = NULL;
 392         loadmodel->DrawLight = NULL;
 393         loadmodel->DrawAddWaterPlanes = NULL;
 394
 395         pinqsprite = (dsprite2_t *)buffer;
 396
 397         version = LittleLong(pinqsprite->version);
 398         if (version != SPRITE2_VERSION)
 399                 Host_Error("Mod_IDS2_Load: %s has wrong version number (%i should be 2 (quake 2)", loadmodel->name, version);
 400
 401         loadmodel->numframes = LittleLong (pinqsprite->numframes);
 402         if (loadmodel->numframes < 1)
 403                 Host_Error ("Mod_IDS2_Load: Invalid # of frames: %d", loadmodel->numframes);
 404         loadmodel->sprite.sprnum_type = SPR_VP_PARALLEL;
 405         loadmodel->synctype = ST_SYNC;
 406
 407         // LordHavoc: hack to allow sprites to be non-fullbright
 408         fullbright = true;
 409         for (i = 0;i < MAX_QPATH && loadmodel->name[i];i++)
 410                 if (loadmodel->name[i] == '!')
 411                         fullbright = false;
 412
 413         loadmodel->animscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
 414         loadmodel->sprite.sprdata_frames = (mspriteframe_t *)Mem_Alloc(loadmodel->mempool, sizeof(mspriteframe_t) * loadmodel->numframes);
 415         loadmodel->num_textures = loadmodel->numframes;
 416         loadmodel->num_texturesperskin = 1;
 417         loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, sizeof(texture_t) * loadmodel->num_textures);
 418
 419         modelradius = 0;
 420         for (i = 0;i < loadmodel->numframes;i++)
 421         {
 422                 int origin[2], x, y, width, height;
 423                 const dsprite2frame_t *pinframe;
 424                 mspriteframe_t *sprframe;
 425
 426                 dpsnprintf(loadmodel->animscenes[i].name, sizeof(loadmodel->animscenes[i].name), "frame %i", i);
 427                 loadmodel->animscenes[i].firstframe = i;
 428                 loadmodel->animscenes[i].framecount = 1;
 429                 loadmodel->animscenes[i].framerate = 10;
 430                 loadmodel->animscenes[i].loop = true;
 431
 432                 pinframe = &pinqsprite->frames[i];
 433
 434                 origin[0] = LittleLong (pinframe->origin_x);
 435                 origin[1] = LittleLong (pinframe->origin_y);
 436                 width = LittleLong (pinframe->width);
 437                 height = LittleLong (pinframe->height);
 438
 439                 sprframe = &loadmodel->sprite.sprdata_frames[i];
 440
 441                 // note that sp2 origin[0] is positive, where as it is negative in
 442                 // spr/spr32/hlspr
 443                 sprframe->left = -origin[0];
 444                 sprframe->right = -origin[0] + width;
 445                 sprframe->up = origin[1];
 446                 sprframe->down = origin[1] - height;
 447
 448                 x = (int)max(sprframe->left * sprframe->left, sprframe->right * sprframe->right);
 449                 y = (int)max(sprframe->up * sprframe->up, sprframe->down * sprframe->down);
 450                 if (modelradius < x + y)
 451                         modelradius = x + y;
 452         }
 453
 454         if (cls.state != ca_dedicated)
 455         {
 456                 for (i = 0;i < loadmodel->numframes;i++)
 457                 {
 458                         const dsprite2frame_t *pinframe;
 459                         pinframe = &pinqsprite->frames[i];
 460                         if (!(skinframe = R_SkinFrame_LoadExternal(pinframe->name, texflags, false)))
 461                         {
 462                                 Con_Printf("Mod_IDS2_Load: failed to load %s", pinframe->name);
 463                                 skinframe = R_SkinFrame_LoadMissing();
 464                         }
 465                         Mod_SpriteSetupTexture(&loadmodel->data_textures[i], skinframe, fullbright, false);
 466                 }
 467         }
 468
 469         modelradius = sqrt(modelradius);
 470         for (i = 0;i < 3;i++)
 471         {
 472                 loadmodel->normalmins[i] = loadmodel->yawmins[i] = loadmodel->rotatedmins[i] = -modelradius;
 473                 loadmodel->normalmaxs[i] = loadmodel->yawmaxs[i] = loadmodel->rotatedmaxs[i] = modelradius;
 474         }
 475         loadmodel->radius = modelradius;
 476         loadmodel->radius2 = modelradius * modelradius;
 477
 478         loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
 479 }