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->offsetbias = 0;
  67         texture->specularscalemod = 1;
  68         texture->specularpowermod = 1;
  69         texture->basematerialflags = MATERIALFLAG_WALL;
  70         if (fullbright)
  71                 texture->basematerialflags |= MATERIALFLAG_FULLBRIGHT;
  72         if (additive)
  73                 texture->basematerialflags |= MATERIALFLAG_ADD | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW;
  74         else if (skinframe->hasalpha)
  75                 texture->basematerialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW;
  76         texture->currentmaterialflags = texture->basematerialflags;
  77         texture->numskinframes = 1;
  78         texture->currentskinframe = texture->skinframes[0] = skinframe;
  79         texture->surfaceflags = 0;
  80         texture->supercontents = SUPERCONTENTS_SOLID;
  81         if (!(texture->basematerialflags & MATERIALFLAG_BLENDED))
  82                 texture->supercontents |= SUPERCONTENTS_OPAQUE;
  83 }
  84
  85 extern cvar_t gl_texturecompression_sprites;
  86
  87 static void Mod_Sprite_SharedSetup(const unsigned char *datapointer, int version, const unsigned int *palette, qboolean additive)
  88 {
  89         int                                     i, j, groupframes, realframes, x, y, origin[2], width, height;
  90         qboolean                        fullbright;
  91         dspriteframetype_t      *pinframetype;
  92         dspriteframe_t          *pinframe;
  93         dspritegroup_t          *pingroup;
  94         dspriteinterval_t       *pinintervals;
  95         skinframe_t                     *skinframe;
  96         float                           modelradius, interval;
  97         char                            name[MAX_QPATH], fogname[MAX_QPATH];
  98         const void                      *startframes;
  99         int                 texflags = (r_mipsprites.integer ? TEXF_MIPMAP : 0) | ((gl_texturecompression.integer && gl_texturecompression_sprites.integer) ? TEXF_COMPRESS : 0) | TEXF_ISSPRITE | TEXF_PICMIP | TEXF_ALPHA | TEXF_CLAMP;
 100         modelradius = 0;
 101
 102         if (loadmodel->numframes < 1)
 103                 Host_Error ("Mod_Sprite_SharedSetup: Invalid # of frames: %d", loadmodel->numframes);
 104
 105         // LordHavoc: hack to allow sprites to be non-fullbright
 106         fullbright = true;
 107         for (i = 0;i < MAX_QPATH && loadmodel->name[i];i++)
 108                 if (loadmodel->name[i] == '!')
 109                         fullbright = false;
 110
 111 //
 112 // load the frames
 113 //
 114         startframes = datapointer;
 115         realframes = 0;
 116         for (i = 0;i < loadmodel->numframes;i++)
 117         {
 118                 pinframetype = (dspriteframetype_t *)datapointer;
 119                 datapointer += sizeof(dspriteframetype_t);
 120
 121                 if (LittleLong (pinframetype->type) == SPR_SINGLE)
 122                         groupframes = 1;
 123                 else
 124                 {
 125                         pingroup = (dspritegroup_t *)datapointer;
 126                         datapointer += sizeof(dspritegroup_t);
 127
 128                         groupframes = LittleLong(pingroup->numframes);
 129
 130                         datapointer += sizeof(dspriteinterval_t) * groupframes;
 131                 }
 132
 133                 for (j = 0;j < groupframes;j++)
 134                 {
 135                         pinframe = (dspriteframe_t *)datapointer;
 136                         if (version == SPRITE32_VERSION)
 137                                 datapointer += sizeof(dspriteframe_t) + LittleLong(pinframe->width) * LittleLong(pinframe->height) * 4;
 138                         else //if (version == SPRITE_VERSION || version == SPRITEHL_VERSION)
 139                                 datapointer += sizeof(dspriteframe_t) + LittleLong(pinframe->width) * LittleLong(pinframe->height);
 140                 }
 141                 realframes += groupframes;
 142         }
 143
 144         loadmodel->animscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
 145         loadmodel->sprite.sprdata_frames = (mspriteframe_t *)Mem_Alloc(loadmodel->mempool, sizeof(mspriteframe_t) * realframes);
 146         loadmodel->num_textures = realframes;
 147         loadmodel->num_texturesperskin = 1;
 148         loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, sizeof(texture_t) * loadmodel->num_textures);
 149
 150         datapointer = (unsigned char *)startframes;
 151         realframes = 0;
 152         for (i = 0;i < loadmodel->numframes;i++)
 153         {
 154                 pinframetype = (dspriteframetype_t *)datapointer;
 155                 datapointer += sizeof(dspriteframetype_t);
 156
 157                 if (LittleLong (pinframetype->type) == SPR_SINGLE)
 158                 {
 159                         groupframes = 1;
 160                         interval = 0.1f;
 161                 }
 162                 else
 163                 {
 164                         pingroup = (dspritegroup_t *)datapointer;
 165                         datapointer += sizeof(dspritegroup_t);
 166
 167                         groupframes = LittleLong(pingroup->numframes);
 168
 169                         pinintervals = (dspriteinterval_t *)datapointer;
 170                         datapointer += sizeof(dspriteinterval_t) * groupframes;
 171
 172                         interval = LittleFloat(pinintervals[0].interval);
 173                         if (interval < 0.01f)
 174                                 Host_Error("Mod_Sprite_SharedSetup: invalid interval");
 175                 }
 176
 177                 dpsnprintf(loadmodel->animscenes[i].name, sizeof(loadmodel->animscenes[i].name), "frame %i", i);
 178                 loadmodel->animscenes[i].firstframe = realframes;
 179                 loadmodel->animscenes[i].framecount = groupframes;
 180                 loadmodel->animscenes[i].framerate = 1.0f / interval;
 181                 loadmodel->animscenes[i].loop = true;
 182
 183                 for (j = 0;j < groupframes;j++)
 184                 {
 185                         pinframe = (dspriteframe_t *)datapointer;
 186                         datapointer += sizeof(dspriteframe_t);
 187
 188                         origin[0] = LittleLong (pinframe->origin[0]);
 189                         origin[1] = LittleLong (pinframe->origin[1]);
 190                         width = LittleLong (pinframe->width);
 191                         height = LittleLong (pinframe->height);
 192
 193                         loadmodel->sprite.sprdata_frames[realframes].left = origin[0];
 194                         loadmodel->sprite.sprdata_frames[realframes].right = origin[0] + width;
 195                         loadmodel->sprite.sprdata_frames[realframes].up = origin[1];
 196                         loadmodel->sprite.sprdata_frames[realframes].down = origin[1] - height;
 197
 198                         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);
 199                         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);
 200                         if (modelradius < x + y)
 201                                 modelradius = x + y;
 202
 203                         if (cls.state != ca_dedicated)
 204                         {
 205                                 skinframe = NULL;
 206                                 // note: Nehahra's null.spr has width == 0 and height == 0
 207                                 if (width > 0 && height > 0)
 208                                 {
 209                                         if (groupframes > 1)
 210                                         {
 211                                                 dpsnprintf (name, sizeof(name), "%s_%i_%i", loadmodel->name, i, j);
 212                                                 dpsnprintf (fogname, sizeof(fogname), "%s_%i_%ifog", loadmodel->name, i, j);
 213                                         }
 214                                         else
 215                                         {
 216                                                 dpsnprintf (name, sizeof(name), "%s_%i", loadmodel->name, i);
 217                                                 dpsnprintf (fogname, sizeof(fogname), "%s_%ifog", loadmodel->name, i);
 218                                         }
 219                                         if (!(skinframe = R_SkinFrame_LoadExternal(name, texflags | TEXF_COMPRESS, false)))
 220                                         {
 221                                                 unsigned char *pixels = (unsigned char *) Mem_Alloc(loadmodel->mempool, width*height*4);
 222                                                 if (version == SPRITE32_VERSION)
 223                                                 {
 224                                                         for (x = 0;x < width*height;x++)
 225                                                         {
 226                                                                 pixels[x*4+2] = datapointer[x*4+0];
 227                                                                 pixels[x*4+1] = datapointer[x*4+1];
 228                                                                 pixels[x*4+0] = datapointer[x*4+2];
 229                                                                 pixels[x*4+3] = datapointer[x*4+3];
 230                                                         }
 231                                                 }
 232                                                 else //if (version == SPRITEHL_VERSION || version == SPRITE_VERSION)
 233                                                         Image_Copy8bitBGRA(datapointer, pixels, width*height, palette ? palette : palette_bgra_transparent);
 234                                                 skinframe = R_SkinFrame_LoadInternalBGRA(name, texflags, pixels, width, height, false);
 235                                                 // texflags |= TEXF_COMPRESS;
 236                                                 Mem_Free(pixels);
 237                                         }
 238                                 }
 239                                 if (skinframe == NULL)
 240                                         skinframe = R_SkinFrame_LoadMissing();
 241                                 Mod_SpriteSetupTexture(&loadmodel->data_textures[realframes], skinframe, fullbright, additive);
 242                         }
 243
 244                         if (version == SPRITE32_VERSION)
 245                                 datapointer += width * height * 4;
 246                         else //if (version == SPRITE_VERSION || version == SPRITEHL_VERSION)
 247                                 datapointer += width * height;
 248                         realframes++;
 249                 }
 250         }
 251
 252         modelradius = sqrt(modelradius);
 253         for (i = 0;i < 3;i++)
 254         {
 255                 loadmodel->normalmins[i] = loadmodel->yawmins[i] = loadmodel->rotatedmins[i] = -modelradius;
 256                 loadmodel->normalmaxs[i] = loadmodel->yawmaxs[i] = loadmodel->rotatedmaxs[i] = modelradius;
 257         }
 258         loadmodel->radius = modelradius;
 259         loadmodel->radius2 = modelradius * modelradius;
 260 }
 261
 262 extern void R_Model_Sprite_Draw(entity_render_t *ent);
 263 void Mod_IDSP_Load(dp_model_t *mod, void *buffer, void *bufferend)
 264 {
 265         int version;
 266         const unsigned char *datapointer;
 267
 268         datapointer = (unsigned char *)buffer;
 269
 270         loadmodel->modeldatatypestring = "SPR1";
 271
 272         loadmodel->type = mod_sprite;
 273
 274         loadmodel->DrawSky = NULL;
 275         loadmodel->Draw = R_Model_Sprite_Draw;
 276         loadmodel->DrawDepth = NULL;
 277         loadmodel->CompileShadowVolume = NULL;
 278         loadmodel->DrawShadowVolume = NULL;
 279         loadmodel->DrawLight = NULL;
 280         loadmodel->DrawAddWaterPlanes = NULL;
 281
 282         version = LittleLong(((dsprite_t *)buffer)->version);
 283         if (version == SPRITE_VERSION || version == SPRITE32_VERSION)
 284         {
 285                 dsprite_t *pinqsprite;
 286
 287                 pinqsprite = (dsprite_t *)datapointer;
 288                 datapointer += sizeof(dsprite_t);
 289
 290                 loadmodel->numframes = LittleLong (pinqsprite->numframes);
 291                 loadmodel->sprite.sprnum_type = LittleLong (pinqsprite->type);
 292                 loadmodel->synctype = (synctype_t)LittleLong (pinqsprite->synctype);
 293
 294                 Mod_Sprite_SharedSetup(datapointer, LittleLong (pinqsprite->version), NULL, false);
 295         }
 296         else if (version == SPRITEHL_VERSION)
 297         {
 298                 int i, rendermode;
 299                 unsigned char palette[256][4];
 300                 const unsigned char *in;
 301                 dspritehl_t *pinhlsprite;
 302
 303                 pinhlsprite = (dspritehl_t *)datapointer;
 304                 datapointer += sizeof(dspritehl_t);
 305
 306                 loadmodel->numframes = LittleLong (pinhlsprite->numframes);
 307                 loadmodel->sprite.sprnum_type = LittleLong (pinhlsprite->type);
 308                 loadmodel->synctype = (synctype_t)LittleLong (pinhlsprite->synctype);
 309                 rendermode = pinhlsprite->rendermode;
 310
 311                 in = datapointer;
 312                 datapointer += 2;
 313                 i = in[0] + in[1] * 256;
 314                 if (i != 256)
 315                         Host_Error ("Mod_IDSP_Load: unexpected number of palette colors %i (should be 256)", i);
 316                 in = datapointer;
 317                 datapointer += 768;
 318                 switch(rendermode)
 319                 {
 320                 case SPRHL_OPAQUE:
 321                         for (i = 0;i < 256;i++)
 322                         {
 323                                 palette[i][2] = in[i*3+0];
 324                                 palette[i][1] = in[i*3+1];
 325                                 palette[i][0] = in[i*3+2];
 326                                 palette[i][3] = 255;
 327                         }
 328                         break;
 329                 case SPRHL_ADDITIVE:
 330                         for (i = 0;i < 256;i++)
 331                         {
 332                                 palette[i][2] = in[i*3+0];
 333                                 palette[i][1] = in[i*3+1];
 334                                 palette[i][0] = in[i*3+2];
 335                                 palette[i][3] = 255;
 336                         }
 337                         // also passes additive == true to Mod_Sprite_SharedSetup
 338                         break;
 339                 case SPRHL_INDEXALPHA:
 340                         for (i = 0;i < 256;i++)
 341                         {
 342                                 palette[i][2] = in[765];
 343                                 palette[i][1] = in[766];
 344                                 palette[i][0] = in[767];
 345                                 palette[i][3] = i;
 346                                 in += 3;
 347                         }
 348                         break;
 349                 case SPRHL_ALPHATEST:
 350                         for (i = 0;i < 256;i++)
 351                         {
 352                                 palette[i][2] = in[i*3+0];
 353                                 palette[i][1] = in[i*3+1];
 354                                 palette[i][0] = in[i*3+2];
 355                                 palette[i][3] = 255;
 356                         }
 357                         palette[255][0] = palette[255][1] = palette[255][2] = palette[255][3] = 0;
 358                         // should this use alpha test or alpha blend?  (currently blend)
 359                         break;
 360                 default:
 361                         Host_Error("Mod_IDSP_Load: unknown texFormat (%i, should be 0, 1, 2, or 3)", i);
 362                         return;
 363                 }
 364
 365                 Mod_Sprite_SharedSetup(datapointer, LittleLong (pinhlsprite->version), (unsigned int *)(&palette[0][0]), rendermode == SPRHL_ADDITIVE);
 366         }
 367         else
 368                 Host_Error("Mod_IDSP_Load: %s has wrong version number (%i). Only %i (quake), %i (HalfLife), and %i (sprite32) supported",
 369                                         loadmodel->name, version, SPRITE_VERSION, SPRITEHL_VERSION, SPRITE32_VERSION);
 370
 371         loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
 372 }
 373
 374
 375 void Mod_IDS2_Load(dp_model_t *mod, void *buffer, void *bufferend)
 376 {
 377         int i, version;
 378         qboolean fullbright;
 379         const dsprite2_t *pinqsprite;
 380         skinframe_t *skinframe;
 381         float modelradius;
 382         int texflags = (r_mipsprites.integer ? TEXF_MIPMAP : 0) | TEXF_ISSPRITE | TEXF_PICMIP | TEXF_COMPRESS | TEXF_ALPHA | TEXF_CLAMP;
 383
 384         loadmodel->modeldatatypestring = "SPR2";
 385
 386         loadmodel->type = mod_sprite;
 387
 388         loadmodel->DrawSky = NULL;
 389         loadmodel->Draw = R_Model_Sprite_Draw;
 390         loadmodel->DrawDepth = NULL;
 391         loadmodel->CompileShadowVolume = NULL;
 392         loadmodel->DrawShadowVolume = NULL;
 393         loadmodel->DrawLight = NULL;
 394         loadmodel->DrawAddWaterPlanes = NULL;
 395
 396         pinqsprite = (dsprite2_t *)buffer;
 397
 398         version = LittleLong(pinqsprite->version);
 399         if (version != SPRITE2_VERSION)
 400                 Host_Error("Mod_IDS2_Load: %s has wrong version number (%i should be 2 (quake 2)", loadmodel->name, version);
 401
 402         loadmodel->numframes = LittleLong (pinqsprite->numframes);
 403         if (loadmodel->numframes < 1)
 404                 Host_Error ("Mod_IDS2_Load: Invalid # of frames: %d", loadmodel->numframes);
 405         loadmodel->sprite.sprnum_type = SPR_VP_PARALLEL;
 406         loadmodel->synctype = ST_SYNC;
 407
 408         // LordHavoc: hack to allow sprites to be non-fullbright
 409         fullbright = true;
 410         for (i = 0;i < MAX_QPATH && loadmodel->name[i];i++)
 411                 if (loadmodel->name[i] == '!')
 412                         fullbright = false;
 413
 414         loadmodel->animscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
 415         loadmodel->sprite.sprdata_frames = (mspriteframe_t *)Mem_Alloc(loadmodel->mempool, sizeof(mspriteframe_t) * loadmodel->numframes);
 416         loadmodel->num_textures = loadmodel->numframes;
 417         loadmodel->num_texturesperskin = 1;
 418         loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, sizeof(texture_t) * loadmodel->num_textures);
 419
 420         modelradius = 0;
 421         for (i = 0;i < loadmodel->numframes;i++)
 422         {
 423                 int origin[2], x, y, width, height;
 424                 const dsprite2frame_t *pinframe;
 425                 mspriteframe_t *sprframe;
 426
 427                 dpsnprintf(loadmodel->animscenes[i].name, sizeof(loadmodel->animscenes[i].name), "frame %i", i);
 428                 loadmodel->animscenes[i].firstframe = i;
 429                 loadmodel->animscenes[i].framecount = 1;
 430                 loadmodel->animscenes[i].framerate = 10;
 431                 loadmodel->animscenes[i].loop = true;
 432
 433                 pinframe = &pinqsprite->frames[i];
 434
 435                 origin[0] = LittleLong (pinframe->origin_x);
 436                 origin[1] = LittleLong (pinframe->origin_y);
 437                 width = LittleLong (pinframe->width);
 438                 height = LittleLong (pinframe->height);
 439
 440                 sprframe = &loadmodel->sprite.sprdata_frames[i];
 441
 442                 // note that sp2 origin[0] is positive, where as it is negative in
 443                 // spr/spr32/hlspr
 444                 sprframe->left = -origin[0];
 445                 sprframe->right = -origin[0] + width;
 446                 sprframe->up = origin[1];
 447                 sprframe->down = origin[1] - height;
 448
 449                 x = (int)max(sprframe->left * sprframe->left, sprframe->right * sprframe->right);
 450                 y = (int)max(sprframe->up * sprframe->up, sprframe->down * sprframe->down);
 451                 if (modelradius < x + y)
 452                         modelradius = x + y;
 453         }
 454
 455         if (cls.state != ca_dedicated)
 456         {
 457                 for (i = 0;i < loadmodel->numframes;i++)
 458                 {
 459                         const dsprite2frame_t *pinframe;
 460                         pinframe = &pinqsprite->frames[i];
 461                         if (!(skinframe = R_SkinFrame_LoadExternal(pinframe->name, texflags, false)))
 462                         {
 463                                 Con_Printf("Mod_IDS2_Load: failed to load %s", pinframe->name);
 464                                 skinframe = R_SkinFrame_LoadMissing();
 465                         }
 466                         Mod_SpriteSetupTexture(&loadmodel->data_textures[i], skinframe, fullbright, false);
 467                 }
 468         }
 469
 470         modelradius = sqrt(modelradius);
 471         for (i = 0;i < 3;i++)
 472         {
 473                 loadmodel->normalmins[i] = loadmodel->yawmins[i] = loadmodel->rotatedmins[i] = -modelradius;
 474                 loadmodel->normalmaxs[i] = loadmodel->yawmaxs[i] = loadmodel->rotatedmaxs[i] = modelradius;
 475         }
 476         loadmodel->radius = modelradius;
 477         loadmodel->radius2 = modelradius * modelradius;
 478
 479         loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
 480 }