model_alias.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
  21 #include "quakedef.h"
  22 #include "image.h"
  23
  24 static cvar_t r_mipskins = {CVAR_SAVE, "r_mipskins", "0"};
  25
  26 void Mod_AliasInit (void)
  27 {
  28         Cvar_RegisterVariable(&r_mipskins);
  29 }
  30
  31 // LordHavoc: proper bounding box considerations
  32 static float aliasbboxmin[3], aliasbboxmax[3], modelyawradius, modelradius;
  33
  34 static float vertst[MAXALIASVERTS][2];
  35 static int vertusage[MAXALIASVERTS];
  36 static int vertonseam[MAXALIASVERTS];
  37 static int vertremap[MAXALIASVERTS];
  38 static int temptris[MAXALIASTRIS][3];
  39
  40 static void Mod_ConvertAliasVerts (int inverts, vec3_t scale, vec3_t translate, trivertx_t *v, trivertx_t *out)
  41 {
  42         int i, j, invalidnormals = 0;
  43         float dist;
  44         vec3_t temp;
  45         for (i = 0;i < inverts;i++)
  46         {
  47                 if (vertremap[i] < 0 && vertremap[i+inverts] < 0) // only used vertices need apply...
  48                         continue;
  49
  50                 temp[0] = v[i].v[0] * scale[0] + translate[0];
  51                 temp[1] = v[i].v[1] * scale[1] + translate[1];
  52                 temp[2] = v[i].v[2] * scale[2] + translate[2];
  53                 // update bounding box
  54                 if (temp[0] < aliasbboxmin[0]) aliasbboxmin[0] = temp[0];
  55                 if (temp[1] < aliasbboxmin[1]) aliasbboxmin[1] = temp[1];
  56                 if (temp[2] < aliasbboxmin[2]) aliasbboxmin[2] = temp[2];
  57                 if (temp[0] > aliasbboxmax[0]) aliasbboxmax[0] = temp[0];
  58                 if (temp[1] > aliasbboxmax[1]) aliasbboxmax[1] = temp[1];
  59                 if (temp[2] > aliasbboxmax[2]) aliasbboxmax[2] = temp[2];
  60                 dist = temp[0]*temp[0]+temp[1]*temp[1];
  61                 if (modelyawradius < dist)
  62                         modelyawradius = dist;
  63                 dist += temp[2]*temp[2];
  64                 if (modelradius < dist)
  65                         modelradius = dist;
  66
  67                 j = vertremap[i]; // not onseam
  68                 if (j >= 0)
  69                 {
  70                         VectorCopy(v[i].v, out[j].v);
  71                         out[j].lightnormalindex = v[i].lightnormalindex;
  72                         if (out[j].lightnormalindex >= NUMVERTEXNORMALS)
  73                         {
  74                                 invalidnormals++;
  75                                 out[j].lightnormalindex = 0;
  76                         }
  77                 }
  78                 j = vertremap[i+inverts]; // onseam
  79                 if (j >= 0)
  80                 {
  81                         VectorCopy(v[i].v, out[j].v);
  82                         out[j].lightnormalindex = v[i].lightnormalindex;
  83                         if (out[j].lightnormalindex >= NUMVERTEXNORMALS)
  84                         {
  85                                 invalidnormals++;
  86                                 out[j].lightnormalindex = 0;
  87                         }
  88                 }
  89         }
  90         if (invalidnormals)
  91                 Con_Printf("Mod_ConvertAliasVerts: \"%s\", %i invalid normal indices found\n", loadmodel->name, invalidnormals);
  92 }
  93
  94 static void Mod_MDL_LoadFrames (qbyte * datapointer, int inverts, int outverts, vec3_t scale, vec3_t translate)
  95 {
  96         daliasframetype_t       *pframetype;
  97         daliasframe_t           *pinframe;
  98         daliasgroup_t           *group;
  99         daliasinterval_t        *intervals;
 100         int                                     i, f, pose, groupframes;
 101         float                           interval;
 102         animscene_t                     *scene;
 103         pose = 0;
 104         scene = loadmodel->animscenes;
 105         for (f = 0;f < loadmodel->numframes;f++)
 106         {
 107                 pframetype = (daliasframetype_t *)datapointer;
 108                 datapointer += sizeof(daliasframetype_t);
 109                 if (LittleLong (pframetype->type) == ALIAS_SINGLE)
 110                 {
 111                         // a single frame is still treated as a group
 112                         interval = 0.1f;
 113                         groupframes = 1;
 114                 }
 115                 else
 116                 {
 117                         // read group header
 118                         group = (daliasgroup_t *)datapointer;
 119                         datapointer += sizeof(daliasgroup_t);
 120                         groupframes = LittleLong (group->numframes);
 121
 122                         // intervals (time per frame)
 123                         intervals = (daliasinterval_t *)datapointer;
 124                         datapointer += sizeof(daliasinterval_t) * groupframes;
 125
 126                         interval = LittleFloat (intervals->interval); // FIXME: support variable framerate groups
 127                         if (interval < 0.01f)
 128                                 Host_Error("Mod_LoadAliasGroup: invalid interval");
 129                 }
 130
 131                 // get scene name from first frame
 132                 pinframe = (daliasframe_t *)datapointer;
 133
 134                 strcpy(scene->name, pinframe->name);
 135                 scene->firstframe = pose;
 136                 scene->framecount = groupframes;
 137                 scene->framerate = 1.0f / interval;
 138                 scene->loop = true;
 139                 scene++;
 140
 141                 // read frames
 142                 for (i = 0;i < groupframes;i++)
 143                 {
 144                         pinframe = (daliasframe_t *)datapointer;
 145                         datapointer += sizeof(daliasframe_t);
 146
 147                         // convert to MD2 frame headers
 148                         strcpy(loadmodel->mdlmd2data_frames[pose].name, pinframe->name);
 149                         VectorCopy(scale, loadmodel->mdlmd2data_frames[pose].scale);
 150                         VectorCopy(translate, loadmodel->mdlmd2data_frames[pose].translate);
 151
 152                         Mod_ConvertAliasVerts(inverts, scale, translate, (trivertx_t *)datapointer, loadmodel->mdlmd2data_pose + pose * outverts);
 153                         datapointer += sizeof(trivertx_t) * inverts;
 154                         pose++;
 155                 }
 156         }
 157 }
 158
 159 static rtexture_t *GL_TextureForSkinLayer(const qbyte *in, int width, int height, const char *name, const unsigned int *palette, int precache)
 160 {
 161         int i;
 162         for (i = 0;i < width*height;i++)
 163                 if (((qbyte *)&palette[in[i]])[3] > 0)
 164                         return R_LoadTexture2D (loadmodel->texturepool, name, width, height, in, TEXTYPE_PALETTE, (r_mipskins.integer ? TEXF_MIPMAP : 0) | (precache ? TEXF_PRECACHE : 0), palette);
 165         return NULL;
 166 }
 167
 168 static int Mod_LoadExternalSkin (char *basename, skinframe_t *skinframe, int precache)
 169 {
 170         skinframe->base   = loadtextureimagewithmaskandnmap(loadmodel->texturepool, va("%s_normal", basename), 0, 0, false, TEXF_ALPHA | (precache ? TEXF_PRECACHE : 0) | (r_mipskins.integer ? TEXF_MIPMAP : 0), 1);
 171         if (!skinframe->base)
 172                 skinframe->base   = loadtextureimagewithmaskandnmap(loadmodel->texturepool, basename, 0, 0, false, TEXF_ALPHA | (precache ? TEXF_PRECACHE : 0) | (r_mipskins.integer ? TEXF_MIPMAP : 0), 1);
 173         skinframe->fog    = image_masktex;
 174         skinframe->nmap   = image_nmaptex;
 175         skinframe->gloss  = loadtextureimage(loadmodel->texturepool, va("%s_gloss" , basename), 0, 0, false, TEXF_ALPHA | (precache ? TEXF_PRECACHE : 0) | (r_mipskins.integer ? TEXF_MIPMAP : 0));
 176         skinframe->pants  = loadtextureimage(loadmodel->texturepool, va("%s_pants" , basename), 0, 0, false, TEXF_ALPHA | (precache ? TEXF_PRECACHE : 0) | (r_mipskins.integer ? TEXF_MIPMAP : 0));
 177         skinframe->shirt  = loadtextureimage(loadmodel->texturepool, va("%s_shirt" , basename), 0, 0, false, TEXF_ALPHA | (precache ? TEXF_PRECACHE : 0) | (r_mipskins.integer ? TEXF_MIPMAP : 0));
 178         skinframe->glow   = loadtextureimage(loadmodel->texturepool, va("%s_glow"  , basename), 0, 0, false, TEXF_ALPHA | (precache ? TEXF_PRECACHE : 0) | (r_mipskins.integer ? TEXF_MIPMAP : 0));
 179         skinframe->merged = NULL;
 180         return skinframe->base != NULL || skinframe->pants != NULL || skinframe->shirt != NULL || skinframe->glow != NULL;
 181 }
 182
 183 static int Mod_LoadInternalSkin (char *basename, qbyte *skindata, int width, int height, skinframe_t *skinframe, int precache)
 184 {
 185         qbyte *temp1, *temp2;
 186         if (!skindata)
 187                 return false;
 188         temp1 = Mem_Alloc(loadmodel->mempool, width * height * 8);
 189         temp2 = temp1 + width * height * 4;
 190         Image_Copy8bitRGBA(skindata, temp1, width * height, palette_nofullbrights);
 191         Image_HeightmapToNormalmap(temp1, temp2, width, height, false, 1);
 192         skinframe->nmap   = R_LoadTexture2D(loadmodel->texturepool, va("%s_nmap", basename), width, height, temp2, TEXTYPE_RGBA, (r_mipskins.integer ? TEXF_MIPMAP : 0) | (precache ? TEXF_PRECACHE : 0), NULL);
 193         Mem_Free(temp1);
 194         skinframe->gloss  = NULL;
 195         skinframe->pants  = GL_TextureForSkinLayer(skindata, width, height, va("%s_pants", basename), palette_pantsaswhite, false); // pants
 196         skinframe->shirt  = GL_TextureForSkinLayer(skindata, width, height, va("%s_shirt", basename), palette_shirtaswhite, false); // shirt
 197         skinframe->glow   = GL_TextureForSkinLayer(skindata, width, height, va("%s_glow", basename), palette_onlyfullbrights, precache); // glow
 198         if (skinframe->pants || skinframe->shirt)
 199         {
 200                 skinframe->base   = GL_TextureForSkinLayer(skindata, width, height, va("%s_normal", basename), palette_nocolormapnofullbrights, false); // normal (no special colors)
 201                 skinframe->merged = GL_TextureForSkinLayer(skindata, width, height, va("%s_body", basename), palette_nofullbrights, precache); // body (normal + pants + shirt, but not glow)
 202         }
 203         else
 204                 skinframe->base   = GL_TextureForSkinLayer(skindata, width, height, va("%s_base", basename), palette_nofullbrights, precache); // no special colors
 205         // quake model skins don't have alpha
 206         skinframe->fog = NULL;
 207         return true;
 208 }
 209
 210 #define BOUNDI(VALUE,MIN,MAX) if (VALUE < MIN || VALUE >= MAX) Host_Error("model %s has an invalid ##VALUE (%d exceeds %d - %d)\n", loadmodel->name, VALUE, MIN, MAX);
 211 #define BOUNDF(VALUE,MIN,MAX) if (VALUE < MIN || VALUE >= MAX) Host_Error("model %s has an invalid ##VALUE (%f exceeds %f - %f)\n", loadmodel->name, VALUE, MIN, MAX);
 212 extern void R_Model_Alias_Draw(entity_render_t *ent);
 213 extern void R_Model_Alias_DrawFakeShadow(entity_render_t *ent);
 214 extern void R_Model_Alias_DrawBaseLighting(entity_render_t *ent);
 215 extern void R_Model_Alias_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius, int visiblevolume);
 216 extern void R_Model_Alias_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius2, float lightdistbias, float lightsubtract, float *lightcolor);
 217 void Mod_LoadAliasModel (model_t *mod, void *buffer)
 218 {
 219         int                                             i, j, version, numverts, totalposes, totalskins, skinwidth, skinheight, totalverts, groupframes, groupskins;
 220         mdl_t                                   *pinmodel;
 221         stvert_t                                *pinstverts;
 222         dtriangle_t                             *pintriangles;
 223         daliasskintype_t                *pinskintype;
 224         daliasskingroup_t               *pinskingroup;
 225         daliasskininterval_t    *pinskinintervals;
 226         daliasframetype_t               *pinframetype;
 227         daliasgroup_t                   *pinframegroup;
 228         float                                   scales, scalet, scale[3], translate[3], interval;
 229         qbyte                                   *datapointer, *startframes, *startskins;
 230         char                                    name[MAX_QPATH];
 231         skinframe_t                             tempskinframe;
 232         animscene_t                             *tempskinscenes;
 233         skinframe_t                             *tempskinframes;
 234         modelyawradius = 0;
 235         modelradius = 0;
 236
 237         datapointer = buffer;
 238         pinmodel = (mdl_t *)datapointer;
 239         datapointer += sizeof(mdl_t);
 240
 241         version = LittleLong (pinmodel->version);
 242         if (version != ALIAS_VERSION)
 243                 Host_Error ("%s has wrong version number (%i should be %i)",
 244                                  loadmodel->name, version, ALIAS_VERSION);
 245
 246         loadmodel->type = mod_alias;
 247         loadmodel->aliastype = ALIASTYPE_MDLMD2;
 248         loadmodel->DrawSky = NULL;
 249         loadmodel->Draw = R_Model_Alias_Draw;
 250         loadmodel->DrawFakeShadow = R_Model_Alias_DrawFakeShadow;
 251         loadmodel->DrawBaseLighting = R_Model_Alias_DrawBaseLighting;
 252         loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
 253         loadmodel->DrawLight = R_Model_Alias_DrawLight;
 254
 255         loadmodel->numskins = LittleLong(pinmodel->numskins);
 256         BOUNDI(loadmodel->numskins,0,256);
 257         skinwidth = LittleLong (pinmodel->skinwidth);
 258         BOUNDI(skinwidth,0,4096);
 259         skinheight = LittleLong (pinmodel->skinheight);
 260         BOUNDI(skinheight,0,4096);
 261         loadmodel->numverts = numverts = LittleLong(pinmodel->numverts);
 262         BOUNDI(loadmodel->numverts,0,MAXALIASVERTS);
 263         loadmodel->numtris = LittleLong(pinmodel->numtris);
 264         BOUNDI(loadmodel->numtris,0,MAXALIASTRIS);
 265         loadmodel->numframes = LittleLong(pinmodel->numframes);
 266         BOUNDI(loadmodel->numframes,0,65536);
 267         loadmodel->synctype = LittleLong (pinmodel->synctype);
 268         BOUNDI(loadmodel->synctype,0,2);
 269         loadmodel->flags = LittleLong (pinmodel->flags);
 270
 271         for (i = 0;i < 3;i++)
 272         {
 273                 scale[i] = LittleFloat (pinmodel->scale[i]);
 274                 translate[i] = LittleFloat (pinmodel->scale_origin[i]);
 275         }
 276
 277         startskins = datapointer;
 278         totalskins = 0;
 279         for (i = 0;i < loadmodel->numskins;i++)
 280         {
 281                 pinskintype = (daliasskintype_t *)datapointer;
 282                 datapointer += sizeof(daliasskintype_t);
 283                 if (LittleLong(pinskintype->type) == ALIAS_SKIN_SINGLE)
 284                         groupskins = 1;
 285                 else
 286                 {
 287                         pinskingroup = (daliasskingroup_t *)datapointer;
 288                         datapointer += sizeof(daliasskingroup_t);
 289                         groupskins = LittleLong(pinskingroup->numskins);
 290                         datapointer += sizeof(daliasskininterval_t) * groupskins;
 291                 }
 292
 293                 for (j = 0;j < groupskins;j++)
 294                 {
 295                         datapointer += skinwidth * skinheight;
 296                         totalskins++;
 297                 }
 298         }
 299
 300         pinstverts = (stvert_t *)datapointer;
 301         datapointer += sizeof(stvert_t) * numverts;
 302
 303         pintriangles = (dtriangle_t *)datapointer;
 304         datapointer += sizeof(dtriangle_t) * loadmodel->numtris;
 305
 306         startframes = datapointer;
 307         totalposes = 0;
 308         for (i = 0;i < loadmodel->numframes;i++)
 309         {
 310                 pinframetype = (daliasframetype_t *)datapointer;
 311                 datapointer += sizeof(daliasframetype_t);
 312                 if (LittleLong (pinframetype->type) == ALIAS_SINGLE)
 313                         groupframes = 1;
 314                 else
 315                 {
 316                         pinframegroup = (daliasgroup_t *)datapointer;
 317                         datapointer += sizeof(daliasgroup_t);
 318                         groupframes = LittleLong(pinframegroup->numframes);
 319                         datapointer += sizeof(daliasinterval_t) * groupframes;
 320                 }
 321
 322                 for (j = 0;j < groupframes;j++)
 323                 {
 324                         datapointer += sizeof(daliasframe_t);
 325                         datapointer += sizeof(trivertx_t) * numverts;
 326                         totalposes++;
 327                 }
 328         }
 329
 330         // load the skins
 331         loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numskins * sizeof(animscene_t));
 332         loadmodel->skinframes = Mem_Alloc(loadmodel->mempool, totalskins * sizeof(skinframe_t));
 333         totalskins = 0;
 334         datapointer = startskins;
 335         for (i = 0;i < loadmodel->numskins;i++)
 336         {
 337                 pinskintype = (daliasskintype_t *)datapointer;
 338                 datapointer += sizeof(daliasskintype_t);
 339
 340                 if (pinskintype->type == ALIAS_SKIN_SINGLE)
 341                 {
 342                         groupskins = 1;
 343                         interval = 0.1f;
 344                 }
 345                 else
 346                 {
 347                         pinskingroup = (daliasskingroup_t *)datapointer;
 348                         datapointer += sizeof(daliasskingroup_t);
 349
 350                         groupskins = LittleLong (pinskingroup->numskins);
 351
 352                         pinskinintervals = (daliasskininterval_t *)datapointer;
 353                         datapointer += sizeof(daliasskininterval_t) * groupskins;
 354
 355                         interval = LittleFloat(pinskinintervals[0].interval);
 356                         if (interval < 0.01f)
 357                                 Host_Error("Mod_LoadAliasModel: invalid interval\n");
 358                 }
 359
 360                 sprintf(loadmodel->skinscenes[i].name, "skin %i", i);
 361                 loadmodel->skinscenes[i].firstframe = totalskins;
 362                 loadmodel->skinscenes[i].framecount = groupskins;
 363                 loadmodel->skinscenes[i].framerate = 1.0f / interval;
 364                 loadmodel->skinscenes[i].loop = true;
 365
 366                 for (j = 0;j < groupskins;j++)
 367                 {
 368                         if (groupskins > 1)
 369                                 sprintf (name, "%s_%i_%i", loadmodel->name, i, j);
 370                         else
 371                                 sprintf (name, "%s_%i", loadmodel->name, i);
 372                         if (!Mod_LoadExternalSkin(name, loadmodel->skinframes + totalskins, i == 0))
 373                                 Mod_LoadInternalSkin(name, (qbyte *)datapointer, skinwidth, skinheight, loadmodel->skinframes + totalskins, i == 0);
 374                         datapointer += skinwidth * skinheight;
 375                         totalskins++;
 376                 }
 377         }
 378         // check for skins that don't exist in the model, but do exist as external images
 379         // (this was added because yummyluv kept pestering me about support for it)
 380         for (;;)
 381         {
 382                 sprintf (name, "%s_%i", loadmodel->name, loadmodel->numskins);
 383                 if (Mod_LoadExternalSkin(name, &tempskinframe, loadmodel->numskins == 0))
 384                 {
 385                         // expand the arrays to make room
 386                         tempskinscenes = loadmodel->skinscenes;
 387                         tempskinframes = loadmodel->skinframes;
 388                         loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, (loadmodel->numskins + 1) * sizeof(animscene_t));
 389                         loadmodel->skinframes = Mem_Alloc(loadmodel->mempool, (totalskins + 1) * sizeof(skinframe_t));
 390                         memcpy(loadmodel->skinscenes, tempskinscenes, loadmodel->numskins * sizeof(animscene_t));
 391                         memcpy(loadmodel->skinframes, tempskinframes, totalskins * sizeof(skinframe_t));
 392                         Mem_Free(tempskinscenes);
 393                         Mem_Free(tempskinframes);
 394                         // store the info about the new skin
 395                         strcpy(loadmodel->skinscenes[loadmodel->numskins].name, name);
 396                         loadmodel->skinscenes[loadmodel->numskins].firstframe = totalskins;
 397                         loadmodel->skinscenes[loadmodel->numskins].framecount = 1;
 398                         loadmodel->skinscenes[loadmodel->numskins].framerate = 10.0f;
 399                         loadmodel->skinscenes[loadmodel->numskins].loop = true;
 400                         loadmodel->skinframes[totalskins] = tempskinframe;
 401                         loadmodel->numskins++;
 402                         totalskins++;
 403                 }
 404                 else
 405                         break;
 406         }
 407
 408         // store texture coordinates into temporary array, they will be stored after usage is determined (triangle data)
 409         scales = 1.0 / skinwidth;
 410         scalet = 1.0 / skinheight;
 411         for (i = 0;i < numverts;i++)
 412         {
 413                 vertonseam[i] = LittleLong(pinstverts[i].onseam);
 414                 vertst[i][0] = LittleLong(pinstverts[i].s) * scales;
 415                 vertst[i][1] = LittleLong(pinstverts[i].t) * scalet;
 416                 vertst[i+numverts][0] = vertst[i][0] + 0.5;
 417                 vertst[i+numverts][1] = vertst[i][1];
 418                 vertusage[i] = 0;
 419                 vertusage[i+numverts] = 0;
 420         }
 421
 422 // load triangle data
 423         loadmodel->mdlmd2data_indices = Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * loadmodel->numtris);
 424
 425         // count the vertices used
 426         for (i = 0;i < numverts*2;i++)
 427                 vertusage[i] = 0;
 428         for (i = 0;i < loadmodel->numtris;i++)
 429         {
 430                 temptris[i][0] = LittleLong(pintriangles[i].vertindex[0]);
 431                 temptris[i][1] = LittleLong(pintriangles[i].vertindex[1]);
 432                 temptris[i][2] = LittleLong(pintriangles[i].vertindex[2]);
 433                 if (!LittleLong(pintriangles[i].facesfront)) // backface
 434                 {
 435                         if (vertonseam[temptris[i][0]]) temptris[i][0] += numverts;
 436                         if (vertonseam[temptris[i][1]]) temptris[i][1] += numverts;
 437                         if (vertonseam[temptris[i][2]]) temptris[i][2] += numverts;
 438                 }
 439                 vertusage[temptris[i][0]]++;
 440                 vertusage[temptris[i][1]]++;
 441                 vertusage[temptris[i][2]]++;
 442         }
 443         // build remapping table and compact array
 444         totalverts = 0;
 445         for (i = 0;i < numverts*2;i++)
 446         {
 447                 if (vertusage[i])
 448                 {
 449                         vertremap[i] = totalverts;
 450                         vertst[totalverts][0] = vertst[i][0];
 451                         vertst[totalverts][1] = vertst[i][1];
 452                         totalverts++;
 453                 }
 454                 else
 455                         vertremap[i] = -1; // not used at all
 456         }
 457         loadmodel->numverts = totalverts;
 458         // remap the triangle references
 459         for (i = 0;i < loadmodel->numtris;i++)
 460         {
 461                 loadmodel->mdlmd2data_indices[i*3+0] = vertremap[temptris[i][0]];
 462                 loadmodel->mdlmd2data_indices[i*3+1] = vertremap[temptris[i][1]];
 463                 loadmodel->mdlmd2data_indices[i*3+2] = vertremap[temptris[i][2]];
 464         }
 465         // store the texture coordinates
 466         loadmodel->mdlmd2data_texcoords = Mem_Alloc(loadmodel->mempool, sizeof(float[4]) * totalverts);
 467         for (i = 0;i < totalverts;i++)
 468         {
 469                 loadmodel->mdlmd2data_texcoords[i*4+0] = vertst[i][0];
 470                 loadmodel->mdlmd2data_texcoords[i*4+1] = vertst[i][1];
 471         }
 472
 473 // load the frames
 474         loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
 475         loadmodel->mdlmd2data_frames = Mem_Alloc(loadmodel->mempool, sizeof(md2frame_t) * totalposes);
 476         loadmodel->mdlmd2data_pose = Mem_Alloc(loadmodel->mempool, sizeof(trivertx_t) * totalposes * totalverts);
 477
 478         // LordHavoc: doing proper bbox for model
 479         aliasbboxmin[0] = aliasbboxmin[1] = aliasbboxmin[2] = 1000000000;
 480         aliasbboxmax[0] = aliasbboxmax[1] = aliasbboxmax[2] = -1000000000;
 481
 482         Mod_MDL_LoadFrames (startframes, numverts, totalverts, scale, translate);
 483
 484         modelyawradius = sqrt(modelyawradius);
 485         modelradius = sqrt(modelradius);
 486         for (j = 0;j < 3;j++)
 487         {
 488                 loadmodel->normalmins[j] = aliasbboxmin[j];
 489                 loadmodel->normalmaxs[j] = aliasbboxmax[j];
 490                 loadmodel->rotatedmins[j] = -modelradius;
 491                 loadmodel->rotatedmaxs[j] = modelradius;
 492         }
 493         loadmodel->yawmins[0] = loadmodel->yawmins[1] = -(loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelyawradius);
 494         loadmodel->yawmins[2] = loadmodel->normalmins[2];
 495         loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
 496         loadmodel->radius = modelradius;
 497         loadmodel->radius2 = modelradius * modelradius;
 498
 499         loadmodel->mdlmd2data_triangleneighbors = Mem_Alloc(loadmodel->mempool, loadmodel->numtris * sizeof(int[3]));
 500         Mod_BuildTriangleNeighbors(loadmodel->mdlmd2data_triangleneighbors, loadmodel->mdlmd2data_indices, loadmodel->numtris);
 501 }
 502
 503 static void Mod_MD2_ConvertVerts (vec3_t scale, vec3_t translate, trivertx_t *v, trivertx_t *out, int *vertremap)
 504 {
 505         int i, invalidnormals = 0;
 506         float dist;
 507         trivertx_t *in;
 508         vec3_t temp;
 509         for (i = 0;i < loadmodel->numverts;i++)
 510         {
 511                 in = v + vertremap[i];
 512                 VectorCopy(in->v, out[i].v);
 513                 temp[0] = in->v[0] * scale[0] + translate[0];
 514                 temp[1] = in->v[1] * scale[1] + translate[1];
 515                 temp[2] = in->v[2] * scale[2] + translate[2];
 516                 // update bounding box
 517                 if (temp[0] < aliasbboxmin[0]) aliasbboxmin[0] = temp[0];
 518                 if (temp[1] < aliasbboxmin[1]) aliasbboxmin[1] = temp[1];
 519                 if (temp[2] < aliasbboxmin[2]) aliasbboxmin[2] = temp[2];
 520                 if (temp[0] > aliasbboxmax[0]) aliasbboxmax[0] = temp[0];
 521                 if (temp[1] > aliasbboxmax[1]) aliasbboxmax[1] = temp[1];
 522                 if (temp[2] > aliasbboxmax[2]) aliasbboxmax[2] = temp[2];
 523                 dist = temp[0]*temp[0]+temp[1]*temp[1];
 524                 if (modelyawradius < dist)
 525                         modelyawradius = dist;
 526                 dist += temp[2]*temp[2];
 527                 if (modelradius < dist)
 528                         modelradius = dist;
 529                 out[i].lightnormalindex = in->lightnormalindex;
 530                 if (out[i].lightnormalindex >= NUMVERTEXNORMALS)
 531                 {
 532                         invalidnormals++;
 533                         out[i].lightnormalindex = 0;
 534                 }
 535         }
 536         if (invalidnormals)
 537                 Con_Printf("Mod_MD2_ConvertVerts: \"%s\", %i invalid normal indices found\n", loadmodel->name, invalidnormals);
 538 }
 539
 540 void Mod_LoadQ2AliasModel (model_t *mod, void *buffer)
 541 {
 542         int *vertremap;
 543         md2_t *pinmodel;
 544         qbyte *base;
 545         int version, end;
 546         int i, j, k, hashindex, num, numxyz, numst, xyz, st;
 547         float *stverts, s, t;
 548         struct md2verthash_s
 549         {
 550                 struct md2verthash_s *next;
 551                 int xyz;
 552                 float st[2];
 553         }
 554         *hash, **md2verthash, *md2verthashdata;
 555         qbyte *datapointer;
 556         md2frame_t *pinframe;
 557         char *inskin;
 558         md2triangle_t *intri;
 559         unsigned short *inst;
 560         int skinwidth, skinheight;
 561
 562         pinmodel = buffer;
 563         base = buffer;
 564
 565         version = LittleLong (pinmodel->version);
 566         if (version != MD2ALIAS_VERSION)
 567                 Host_Error ("%s has wrong version number (%i should be %i)",
 568                         loadmodel->name, version, MD2ALIAS_VERSION);
 569
 570         loadmodel->type = mod_alias;
 571         loadmodel->aliastype = ALIASTYPE_MDLMD2;
 572         loadmodel->DrawSky = NULL;
 573         loadmodel->Draw = R_Model_Alias_Draw;
 574         loadmodel->DrawFakeShadow = R_Model_Alias_DrawFakeShadow;
 575         loadmodel->DrawBaseLighting = R_Model_Alias_DrawBaseLighting;
 576         loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
 577         loadmodel->DrawLight = R_Model_Alias_DrawLight;
 578
 579         if (LittleLong(pinmodel->num_tris < 1) || LittleLong(pinmodel->num_tris) > MD2MAX_TRIANGLES)
 580                 Host_Error ("%s has invalid number of triangles: %i", loadmodel->name, LittleLong(pinmodel->num_tris));
 581         if (LittleLong(pinmodel->num_xyz < 1) || LittleLong(pinmodel->num_xyz) > MD2MAX_VERTS)
 582                 Host_Error ("%s has invalid number of vertices: %i", loadmodel->name, LittleLong(pinmodel->num_xyz));
 583         if (LittleLong(pinmodel->num_frames < 1) || LittleLong(pinmodel->num_frames) > MD2MAX_FRAMES)
 584                 Host_Error ("%s has invalid number of frames: %i", loadmodel->name, LittleLong(pinmodel->num_frames));
 585         if (LittleLong(pinmodel->num_skins < 0) || LittleLong(pinmodel->num_skins) > MAX_SKINS)
 586                 Host_Error ("%s has invalid number of skins: %i", loadmodel->name, LittleLong(pinmodel->num_skins));
 587
 588         end = LittleLong(pinmodel->ofs_end);
 589         if (LittleLong(pinmodel->num_skins) >= 1 && (LittleLong(pinmodel->ofs_skins <= 0) || LittleLong(pinmodel->ofs_skins) >= end))
 590                 Host_Error ("%s is not a valid model", loadmodel->name);
 591         if (LittleLong(pinmodel->ofs_st <= 0) || LittleLong(pinmodel->ofs_st) >= end)
 592                 Host_Error ("%s is not a valid model", loadmodel->name);
 593         if (LittleLong(pinmodel->ofs_tris <= 0) || LittleLong(pinmodel->ofs_tris) >= end)
 594                 Host_Error ("%s is not a valid model", loadmodel->name);
 595         if (LittleLong(pinmodel->ofs_frames <= 0) || LittleLong(pinmodel->ofs_frames) >= end)
 596                 Host_Error ("%s is not a valid model", loadmodel->name);
 597         if (LittleLong(pinmodel->ofs_glcmds <= 0) || LittleLong(pinmodel->ofs_glcmds) >= end)
 598                 Host_Error ("%s is not a valid model", loadmodel->name);
 599
 600         loadmodel->numskins = LittleLong(pinmodel->num_skins);
 601         numxyz = LittleLong(pinmodel->num_xyz);
 602         numst = LittleLong(pinmodel->num_st);
 603         loadmodel->numtris = LittleLong(pinmodel->num_tris);
 604         loadmodel->numframes = LittleLong(pinmodel->num_frames);
 605
 606         loadmodel->flags = 0; // there are no MD2 flags
 607         loadmodel->synctype = ST_RAND;
 608
 609         // load the skins
 610         inskin = (void*)(base + LittleLong(pinmodel->ofs_skins));
 611         if (loadmodel->numskins)
 612         {
 613                 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins + sizeof(skinframe_t) * loadmodel->numskins);
 614                 loadmodel->skinframes = (void *)(loadmodel->skinscenes + loadmodel->numskins);
 615                 for (i = 0;i < loadmodel->numskins;i++)
 616                 {
 617                         loadmodel->skinscenes[i].firstframe = i;
 618                         loadmodel->skinscenes[i].framecount = 1;
 619                         loadmodel->skinscenes[i].loop = true;
 620                         loadmodel->skinscenes[i].framerate = 10;
 621                         loadmodel->skinframes[i].base = loadtextureimagewithmaskandnmap (loadmodel->texturepool, inskin, 0, 0, true, TEXF_ALPHA | TEXF_PRECACHE | (r_mipskins.integer ? TEXF_MIPMAP : 0), 1);
 622                         loadmodel->skinframes[i].fog = image_masktex;
 623                         loadmodel->skinframes[i].nmap = image_nmaptex;
 624                         loadmodel->skinframes[i].gloss = NULL;
 625                         loadmodel->skinframes[i].pants = NULL;
 626                         loadmodel->skinframes[i].shirt = NULL;
 627                         loadmodel->skinframes[i].glow = NULL;
 628                         loadmodel->skinframes[i].merged = NULL;
 629                         inskin += MD2MAX_SKINNAME;
 630                 }
 631         }
 632
 633         // load the triangles and stvert data
 634         inst = (void*)(base + LittleLong(pinmodel->ofs_st));
 635         intri = (void*)(base + LittleLong(pinmodel->ofs_tris));
 636         skinwidth = LittleLong(pinmodel->skinwidth);
 637         skinheight = LittleLong(pinmodel->skinheight);
 638
 639         stverts = Mem_Alloc(tempmempool, numst * sizeof(float[2]));
 640         s = 1.0f / skinwidth;
 641         t = 1.0f / skinheight;
 642         for (i = 0;i < numst;i++)
 643         {
 644                 j = (unsigned short) LittleShort(inst[i*2+0]);
 645                 k = (unsigned short) LittleShort(inst[i*2+1]);
 646                 if (j >= skinwidth || k >= skinheight)
 647                 {
 648                         Mem_Free(stverts);
 649                         Host_Error("Mod_MD2_LoadGeometry: invalid skin coordinate (%i %i) on vert %i of model %s\n", j, k, i, loadmodel->name);
 650                 }
 651                 stverts[i*2+0] = j * s;
 652                 stverts[i*2+1] = k * t;
 653         }
 654
 655         md2verthash = Mem_Alloc(tempmempool, 256 * sizeof(hash));
 656         md2verthashdata = Mem_Alloc(tempmempool, loadmodel->numtris * 3 * sizeof(*hash));
 657         // swap the triangle list
 658         num = 0;
 659         loadmodel->mdlmd2data_indices = Mem_Alloc(loadmodel->mempool, loadmodel->numtris * sizeof(int[3]));
 660         for (i = 0;i < loadmodel->numtris;i++)
 661         {
 662                 for (j = 0;j < 3;j++)
 663                 {
 664                         xyz = (unsigned short) LittleShort (intri[i].index_xyz[j]);
 665                         st = (unsigned short) LittleShort (intri[i].index_st[j]);
 666                         if (xyz >= numxyz || st >= numst)
 667                         {
 668                                 Mem_Free(md2verthash);
 669                                 Mem_Free(md2verthashdata);
 670                                 Mem_Free(stverts);
 671                                 if (xyz >= numxyz)
 672                                         Host_Error("Mod_MD2_LoadGeometry: invalid xyz index (%i) on triangle %i of model %s\n", xyz, i, loadmodel->name);
 673                                 if (st >= numst)
 674                                         Host_Error("Mod_MD2_LoadGeometry: invalid st index (%i) on triangle %i of model %s\n", st, i, loadmodel->name);
 675                         }
 676                         s = stverts[st*2+0];
 677                         t = stverts[st*2+1];
 678                         hashindex = (xyz * 17 + st) & 255;
 679                         for (hash = md2verthash[hashindex];hash;hash = hash->next)
 680                                 if (hash->xyz == xyz && hash->st[0] == s && hash->st[1] == t)
 681                                         break;
 682                         if (hash == NULL)
 683                         {
 684                                 hash = md2verthashdata + num++;
 685                                 hash->xyz = xyz;
 686                                 hash->st[0] = s;
 687                                 hash->st[1] = t;
 688                                 hash->next = md2verthash[hashindex];
 689                                 md2verthash[hashindex] = hash;
 690                         }
 691                         loadmodel->mdlmd2data_indices[i*3+j] = (hash - md2verthashdata);
 692                 }
 693         }
 694
 695         Mem_Free(stverts);
 696
 697         loadmodel->numverts = num;
 698         vertremap = Mem_Alloc(loadmodel->mempool, num * sizeof(int));
 699         loadmodel->mdlmd2data_texcoords = Mem_Alloc(loadmodel->mempool, num * sizeof(float[4]));
 700         for (i = 0;i < num;i++)
 701         {
 702                 hash = md2verthashdata + i;
 703                 vertremap[i] = hash->xyz;
 704                 loadmodel->mdlmd2data_texcoords[i*4+0] = hash->st[0];
 705                 loadmodel->mdlmd2data_texcoords[i*4+1] = hash->st[1];
 706         }
 707
 708         Mem_Free(md2verthash);
 709         Mem_Free(md2verthashdata);
 710
 711         // load frames
 712         // LordHavoc: doing proper bbox for model
 713         aliasbboxmin[0] = aliasbboxmin[1] = aliasbboxmin[2] = 1000000000;
 714         aliasbboxmax[0] = aliasbboxmax[1] = aliasbboxmax[2] = -1000000000;
 715         modelyawradius = 0;
 716         modelradius = 0;
 717
 718         datapointer = (base + LittleLong(pinmodel->ofs_frames));
 719         // load the frames
 720         loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
 721         loadmodel->mdlmd2data_frames = Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(md2frame_t));
 722         loadmodel->mdlmd2data_pose = Mem_Alloc(loadmodel->mempool, loadmodel->numverts * loadmodel->numframes * sizeof(trivertx_t));
 723
 724         for (i = 0;i < loadmodel->numframes;i++)
 725         {
 726                 pinframe = (md2frame_t *)datapointer;
 727                 datapointer += sizeof(md2frame_t);
 728                 strcpy(loadmodel->mdlmd2data_frames[i].name, pinframe->name);
 729                 for (j = 0;j < 3;j++)
 730                 {
 731                         loadmodel->mdlmd2data_frames[i].scale[j] = LittleFloat(pinframe->scale[j]);
 732                         loadmodel->mdlmd2data_frames[i].translate[j] = LittleFloat(pinframe->translate[j]);
 733                 }
 734                 Mod_MD2_ConvertVerts (loadmodel->mdlmd2data_frames[i].scale, loadmodel->mdlmd2data_frames[i].translate, (void *)datapointer, &loadmodel->mdlmd2data_pose[i * loadmodel->numverts], vertremap);
 735                 datapointer += numxyz * sizeof(trivertx_t);
 736
 737                 strcpy(loadmodel->animscenes[i].name, loadmodel->mdlmd2data_frames[i].name);
 738                 loadmodel->animscenes[i].firstframe = i;
 739                 loadmodel->animscenes[i].framecount = 1;
 740                 loadmodel->animscenes[i].framerate = 10;
 741                 loadmodel->animscenes[i].loop = true;
 742         }
 743
 744         Mem_Free(vertremap);
 745
 746         // LordHavoc: model bbox
 747         modelyawradius = sqrt(modelyawradius);
 748         modelradius = sqrt(modelradius);
 749         for (j = 0;j < 3;j++)
 750         {
 751                 loadmodel->normalmins[j] = aliasbboxmin[j];
 752                 loadmodel->normalmaxs[j] = aliasbboxmax[j];
 753                 loadmodel->rotatedmins[j] = -modelradius;
 754                 loadmodel->rotatedmaxs[j] = modelradius;
 755         }
 756         loadmodel->yawmins[0] = loadmodel->yawmins[1] = -(loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelyawradius);
 757         loadmodel->yawmins[2] = loadmodel->normalmins[2];
 758         loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
 759         loadmodel->radius = modelradius;
 760         loadmodel->radius2 = modelradius * modelradius;
 761
 762         loadmodel->mdlmd2data_triangleneighbors = Mem_Alloc(loadmodel->mempool, loadmodel->numtris * sizeof(int[3]));
 763         Mod_BuildTriangleNeighbors(loadmodel->mdlmd2data_triangleneighbors, loadmodel->mdlmd2data_indices, loadmodel->numtris);
 764 }
 765
 766 extern void R_Model_Zymotic_DrawSky(entity_render_t *ent);
 767 extern void R_Model_Zymotic_Draw(entity_render_t *ent);
 768 extern void R_Model_Zymotic_DrawFakeShadow(entity_render_t *ent);
 769 extern void R_Model_Zymotic_DrawBaseLighting(entity_render_t *ent);
 770 extern void R_Model_Zymotic_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius, int visiblevolume);
 771 extern void R_Model_Zymotic_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius2, float lightdistbias, float lightsubtract, float *lightcolor);
 772 void Mod_LoadZymoticModel(model_t *mod, void *buffer)
 773 {
 774         zymtype1header_t *pinmodel, *pheader;
 775         qbyte *pbase;
 776
 777         pinmodel = (void *)buffer;
 778         pbase = buffer;
 779         if (memcmp(pinmodel->id, "ZYMOTICMODEL", 12))
 780                 Host_Error ("Mod_LoadZymoticModel: %s is not a zymotic model\n");
 781         if (BigLong(pinmodel->type) != 1)
 782                 Host_Error ("Mod_LoadZymoticModel: only type 1 (skeletal pose) models are currently supported (name = %s)\n", loadmodel->name);
 783
 784         loadmodel->type = mod_alias;
 785         loadmodel->aliastype = ALIASTYPE_ZYM;
 786         loadmodel->DrawSky = NULL;
 787         loadmodel->Draw = R_Model_Zymotic_Draw;
 788         loadmodel->DrawFakeShadow = NULL;//R_Model_Zymotic_DrawFakeShadow;
 789         loadmodel->DrawBaseLighting = NULL;//R_Model_Zymotic_DrawBaseLighting;
 790         loadmodel->DrawShadowVolume = NULL;//R_Model_Zymotic_DrawShadowVolume;
 791         loadmodel->DrawLight = NULL;//R_Model_Zymotic_DrawLight;
 792
 793         // byteswap header
 794         pheader = pinmodel;
 795         pheader->type = BigLong(pinmodel->type);
 796         pheader->filesize = BigLong(pinmodel->filesize);
 797         pheader->mins[0] = BigFloat(pinmodel->mins[0]);
 798         pheader->mins[1] = BigFloat(pinmodel->mins[1]);
 799         pheader->mins[2] = BigFloat(pinmodel->mins[2]);
 800         pheader->maxs[0] = BigFloat(pinmodel->maxs[0]);
 801         pheader->maxs[1] = BigFloat(pinmodel->maxs[1]);
 802         pheader->maxs[2] = BigFloat(pinmodel->maxs[2]);
 803         pheader->radius = BigFloat(pinmodel->radius);
 804         pheader->numverts = loadmodel->zymnum_verts = BigLong(pinmodel->numverts);
 805         pheader->numtris = loadmodel->zymnum_tris = BigLong(pinmodel->numtris);
 806         pheader->numshaders = loadmodel->zymnum_shaders = BigLong(pinmodel->numshaders);
 807         pheader->numbones = loadmodel->zymnum_bones = BigLong(pinmodel->numbones);
 808         pheader->numscenes = loadmodel->zymnum_scenes = BigLong(pinmodel->numscenes);
 809         pheader->lump_scenes.start = BigLong(pinmodel->lump_scenes.start);
 810         pheader->lump_scenes.length = BigLong(pinmodel->lump_scenes.length);
 811         pheader->lump_poses.start = BigLong(pinmodel->lump_poses.start);
 812         pheader->lump_poses.length = BigLong(pinmodel->lump_poses.length);
 813         pheader->lump_bones.start = BigLong(pinmodel->lump_bones.start);
 814         pheader->lump_bones.length = BigLong(pinmodel->lump_bones.length);
 815         pheader->lump_vertbonecounts.start = BigLong(pinmodel->lump_vertbonecounts.start);
 816         pheader->lump_vertbonecounts.length = BigLong(pinmodel->lump_vertbonecounts.length);
 817         pheader->lump_verts.start = BigLong(pinmodel->lump_verts.start);
 818         pheader->lump_verts.length = BigLong(pinmodel->lump_verts.length);
 819         pheader->lump_texcoords.start = BigLong(pinmodel->lump_texcoords.start);
 820         pheader->lump_texcoords.length = BigLong(pinmodel->lump_texcoords.length);
 821         pheader->lump_render.start = BigLong(pinmodel->lump_render.start);
 822         pheader->lump_render.length = BigLong(pinmodel->lump_render.length);
 823         pheader->lump_shaders.start = BigLong(pinmodel->lump_shaders.start);
 824         pheader->lump_shaders.length = BigLong(pinmodel->lump_shaders.length);
 825         pheader->lump_trizone.start = BigLong(pinmodel->lump_trizone.start);
 826         pheader->lump_trizone.length = BigLong(pinmodel->lump_trizone.length);
 827
 828         loadmodel->flags = 0; // there are no flags
 829         loadmodel->numframes = pheader->numscenes;
 830         loadmodel->synctype = ST_SYNC;
 831         loadmodel->numtris = pheader->numtris;
 832         loadmodel->numverts = 0;
 833
 834         {
 835                 unsigned int i;
 836                 float modelradius, corner[2];
 837                 // model bbox
 838                 modelradius = pheader->radius;
 839                 for (i = 0;i < 3;i++)
 840                 {
 841                         loadmodel->normalmins[i] = pheader->mins[i];
 842                         loadmodel->normalmaxs[i] = pheader->maxs[i];
 843                         loadmodel->rotatedmins[i] = -modelradius;
 844                         loadmodel->rotatedmaxs[i] = modelradius;
 845                 }
 846                 corner[0] = max(fabs(loadmodel->normalmins[0]), fabs(loadmodel->normalmaxs[0]));
 847                 corner[1] = max(fabs(loadmodel->normalmins[1]), fabs(loadmodel->normalmaxs[1]));
 848                 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = sqrt(corner[0]*corner[0]+corner[1]*corner[1]);
 849                 if (loadmodel->yawmaxs[0] > modelradius)
 850                         loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelradius;
 851                 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -loadmodel->yawmaxs[0];
 852                 loadmodel->yawmins[2] = loadmodel->normalmins[2];
 853                 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
 854                 loadmodel->radius = modelradius;
 855                 loadmodel->radius2 = modelradius * modelradius;
 856         }
 857
 858         {
 859                 // FIXME: add shaders, and make them switchable shader sets and...
 860                 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) + sizeof(skinframe_t));
 861                 loadmodel->skinscenes[0].firstframe = 0;
 862                 loadmodel->skinscenes[0].framecount = 1;
 863                 loadmodel->skinscenes[0].loop = true;
 864                 loadmodel->skinscenes[0].framerate = 10;
 865                 loadmodel->skinframes = (void *)(loadmodel->skinscenes + 1);
 866                 loadmodel->skinframes->base = NULL;
 867                 loadmodel->skinframes->fog = NULL;
 868                 loadmodel->skinframes->pants = NULL;
 869                 loadmodel->skinframes->shirt = NULL;
 870                 loadmodel->skinframes->glow = NULL;
 871                 loadmodel->skinframes->merged = NULL;
 872                 loadmodel->numskins = 1;
 873         }
 874
 875         // go through the lumps, swapping things
 876
 877         {
 878                 unsigned int i, numposes;
 879                 zymscene_t *scene;
 880         //      zymlump_t lump_scenes; // zymscene_t scene[numscenes]; // name and other information for each scene (see zymscene struct)
 881                 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
 882                 scene = (void *) (pheader->lump_scenes.start + pbase);
 883                 numposes = pheader->lump_poses.length / pheader->numbones / sizeof(float[3][4]);
 884                 for (i = 0;i < pheader->numscenes;i++)
 885                 {
 886                         memcpy(loadmodel->animscenes[i].name, scene->name, 32);
 887                         loadmodel->animscenes[i].firstframe = BigLong(scene->start);
 888                         loadmodel->animscenes[i].framecount = BigLong(scene->length);
 889                         loadmodel->animscenes[i].framerate = BigFloat(scene->framerate);
 890                         loadmodel->animscenes[i].loop = (BigLong(scene->flags) & ZYMSCENEFLAG_NOLOOP) == 0;
 891                         if ((unsigned int) loadmodel->animscenes[i].firstframe >= numposes)
 892                                 Host_Error("Mod_LoadZymoticModel: scene firstframe (%i) >= numposes (%i)\n", loadmodel->animscenes[i].firstframe, numposes);
 893                         if ((unsigned int) loadmodel->animscenes[i].firstframe + (unsigned int) loadmodel->animscenes[i].framecount > numposes)
 894                                 Host_Error("Mod_LoadZymoticModel: scene firstframe (%i) + framecount (%i) >= numposes (%i)\n", loadmodel->animscenes[i].firstframe, loadmodel->animscenes[i].framecount, numposes);
 895                         if (loadmodel->animscenes[i].framerate < 0)
 896                                 Host_Error("Mod_LoadZymoticModel: scene framerate (%f) < 0\n", loadmodel->animscenes[i].framerate);
 897                         scene++;
 898                 }
 899         }
 900
 901         {
 902                 unsigned int i;
 903                 float *poses;
 904         //      zymlump_t lump_poses; // float pose[numposes][numbones][3][4]; // animation data
 905                 loadmodel->zymdata_poses = Mem_Alloc(loadmodel->mempool, pheader->lump_poses.length);
 906                 poses = (void *) (pheader->lump_poses.start + pbase);
 907                 for (i = 0;i < pheader->lump_poses.length / 4;i++)
 908                         loadmodel->zymdata_poses[i] = BigFloat(poses[i]);
 909         }
 910
 911         {
 912                 unsigned int i;
 913                 zymbone_t *bone;
 914         //      zymlump_t lump_bones; // zymbone_t bone[numbones];
 915                 loadmodel->zymdata_bones = Mem_Alloc(loadmodel->mempool, pheader->numbones * sizeof(zymbone_t));
 916                 bone = (void *) (pheader->lump_bones.start + pbase);
 917                 for (i = 0;i < pheader->numbones;i++)
 918                 {
 919                         memcpy(loadmodel->zymdata_bones[i].name, bone[i].name, sizeof(bone[i].name));
 920                         loadmodel->zymdata_bones[i].flags = BigLong(bone[i].flags);
 921                         loadmodel->zymdata_bones[i].parent = BigLong(bone[i].parent);
 922                         if (bone[i].parent >= i)
 923                                 Host_Error("Mod_LoadZymoticModel: bone[i].parent >= i in %s\n", loadmodel->name);
 924                 }
 925         }
 926
 927         {
 928                 unsigned int i, *bonecount;
 929         //      zymlump_t lump_vertbonecounts; // int vertbonecounts[numvertices]; // how many bones influence each vertex (separate mainly to make this compress better)
 930                 loadmodel->zymdata_vertbonecounts = Mem_Alloc(loadmodel->mempool, pheader->numbones * sizeof(int));
 931                 bonecount = (void *) (pheader->lump_vertbonecounts.start + pbase);
 932                 for (i = 0;i < pheader->numbones;i++)
 933                 {
 934                         loadmodel->zymdata_vertbonecounts[i] = BigLong(bonecount[i]);
 935                         if (loadmodel->zymdata_vertbonecounts[i] < 1)
 936                                 Host_Error("Mod_LoadZymoticModel: bone vertex count < 1 in %s\n", loadmodel->name);
 937                 }
 938         }
 939
 940         {
 941                 unsigned int i;
 942                 zymvertex_t *vertdata;
 943         //      zymlump_t lump_verts; // zymvertex_t vert[numvertices]; // see vertex struct
 944                 loadmodel->zymdata_verts = Mem_Alloc(loadmodel->mempool, pheader->lump_verts.length);
 945                 vertdata = (void *) (pheader->lump_verts.start + pbase);
 946                 for (i = 0;i < pheader->lump_verts.length / 4;i++)
 947                 {
 948                         loadmodel->zymdata_verts[i].bonenum = BigLong(vertdata[i].bonenum);
 949                         loadmodel->zymdata_verts[i].origin[0] = BigLong(vertdata[i].origin[0]);
 950                         loadmodel->zymdata_verts[i].origin[1] = BigLong(vertdata[i].origin[1]);
 951                         loadmodel->zymdata_verts[i].origin[2] = BigLong(vertdata[i].origin[2]);
 952                 }
 953         }
 954
 955         {
 956                 unsigned int i;
 957                 float *intexcoord, *outtexcoord;
 958         //      zymlump_t lump_texcoords; // float texcoords[numvertices][2];
 959                 loadmodel->zymdata_texcoords = outtexcoord = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(float[4]));
 960                 intexcoord = (void *) (pheader->lump_texcoords.start + pbase);
 961                 for (i = 0;i < pheader->numverts;i++);
 962                 {
 963                         outtexcoord[i*4+0] = BigFloat(intexcoord[i*2+0]);
 964                         // flip T coordinate for OpenGL
 965                         outtexcoord[i*4+1] = 1 - BigFloat(intexcoord[i*2+1]);
 966                 }
 967         }
 968
 969         {
 970                 unsigned int i, count, a, b, c, *renderlist, *renderlistend, *outrenderlist;
 971         //      zymlump_t lump_render; // int renderlist[rendersize]; // sorted by shader with run lengths (int count), shaders are sequentially used, each run can be used with glDrawElements (each triangle is 3 int indices)
 972                 loadmodel->zymdata_renderlist = Mem_Alloc(loadmodel->mempool, pheader->lump_render.length);
 973                 // byteswap, validate, and swap winding order of tris
 974                 count = pheader->numshaders * sizeof(int) + pheader->numtris * sizeof(int[3]);
 975                 if (pheader->lump_render.length != count)
 976                         Host_Error("Mod_LoadZymoticModel: renderlist is wrong size in %s (is %i bytes, should be %i bytes)\n", loadmodel->name, pheader->lump_render.length, count);
 977                 outrenderlist = loadmodel->zymdata_renderlist = Mem_Alloc(loadmodel->mempool, count);
 978                 renderlist = (void *) (pheader->lump_render.start + pbase);
 979                 renderlistend = (void *) ((qbyte *) renderlist + pheader->lump_render.length);
 980                 for (i = 0;i < pheader->numshaders;i++)
 981                 {
 982                         if (renderlist >= renderlistend)
 983                                 Host_Error("Mod_LoadZymoticModel: corrupt renderlist in %s (wrong size)\n", loadmodel->name);
 984                         count = BigLong(*renderlist);renderlist++;
 985                         if (renderlist + count * 3 > renderlistend)
 986                                 Host_Error("Mod_LoadZymoticModel: corrupt renderlist in %s (wrong size)\n", loadmodel->name);
 987                         *outrenderlist++ = count;
 988                         while (count--)
 989                         {
 990                                 a = BigLong(renderlist[0]);
 991                                 b = BigLong(renderlist[1]);
 992                                 c = BigLong(renderlist[2]);
 993                                 renderlist += 3;
 994                                 if (a >= pheader->numverts || b >= pheader->numverts || c >= pheader->numverts)
 995                                         Host_Error("Mod_LoadZymoticModel: corrupt renderlist in %s (out of bounds index)\n", loadmodel->name);
 996                                 *outrenderlist++ = c;
 997                                 *outrenderlist++ = b;
 998                                 *outrenderlist++ = a;
 999                         }
1000                 }
1001         }
1002
1003         {
1004                 unsigned int i;
1005                 char *shadername;
1006         //      zymlump_t lump_shaders; // char shadername[numshaders][32]; // shaders used on this model
1007                 shadername = (void *) (pheader->lump_shaders.start + pbase);
1008                 for (i = 0;i < pheader->numshaders;i++)
1009                         loadmodel->zymdata_textures[i] = loadtextureimage(loadmodel->texturepool, shadername + i * 32, 0, 0, true, TEXF_ALPHA | TEXF_PRECACHE | (r_mipskins.integer ? TEXF_MIPMAP : 0));
1010         }
1011
1012         {
1013         //      zymlump_t lump_trizone; // byte trizone[numtris]; // see trizone explanation
1014                 loadmodel->zymdata_trizone = Mem_Alloc(loadmodel->mempool, pheader->numtris);
1015                 memcpy(loadmodel->zymdata_trizone, (void *) (pheader->lump_trizone.start + pbase), pheader->numtris);
1016         }
1017 }