2 Copyright (C) 1996-1997 Id Software, Inc.
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.
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.
13 See the GNU General Public License for more details.
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.
23 static cvar_t r_mipskins = {CVAR_SAVE, "r_mipskins", "0"};
25 void Mod_AliasInit (void)
27 Cvar_RegisterVariable(&r_mipskins);
30 // LordHavoc: proper bounding box considerations
31 static float aliasbboxmin[3], aliasbboxmax[3], modelyawradius, modelradius;
33 static float vertst[MAXALIASVERTS][2];
34 static int vertusage[MAXALIASVERTS];
35 static int vertonseam[MAXALIASVERTS];
36 static int vertremap[MAXALIASVERTS];
37 static int temptris[MAXALIASTRIS][3];
39 static void Mod_ConvertAliasVerts (int inverts, vec3_t scale, vec3_t translate, trivertx_t *v, trivertx_t *out)
41 int i, j, invalidnormals = 0;
44 for (i = 0;i < inverts;i++)
46 if (vertremap[i] < 0 && vertremap[i+inverts] < 0) // only used vertices need apply...
49 temp[0] = v[i].v[0] * scale[0] + translate[0];
50 temp[1] = v[i].v[1] * scale[1] + translate[1];
51 temp[2] = v[i].v[2] * scale[2] + translate[2];
52 // update bounding box
53 if (temp[0] < aliasbboxmin[0]) aliasbboxmin[0] = temp[0];
54 if (temp[1] < aliasbboxmin[1]) aliasbboxmin[1] = temp[1];
55 if (temp[2] < aliasbboxmin[2]) aliasbboxmin[2] = temp[2];
56 if (temp[0] > aliasbboxmax[0]) aliasbboxmax[0] = temp[0];
57 if (temp[1] > aliasbboxmax[1]) aliasbboxmax[1] = temp[1];
58 if (temp[2] > aliasbboxmax[2]) aliasbboxmax[2] = temp[2];
59 dist = temp[0]*temp[0]+temp[1]*temp[1];
60 if (modelyawradius < dist)
61 modelyawradius = dist;
62 dist += temp[2]*temp[2];
63 if (modelradius < dist)
66 j = vertremap[i]; // not onseam
69 VectorCopy(v[i].v, out[j].v);
70 out[j].lightnormalindex = v[i].lightnormalindex;
71 if (out[j].lightnormalindex >= NUMVERTEXNORMALS)
74 out[j].lightnormalindex = 0;
77 j = vertremap[i+inverts]; // onseam
80 VectorCopy(v[i].v, out[j].v);
81 out[j].lightnormalindex = v[i].lightnormalindex;
82 if (out[j].lightnormalindex >= NUMVERTEXNORMALS)
85 out[j].lightnormalindex = 0;
90 Con_Printf("Mod_ConvertAliasVerts: \"%s\", %i invalid normal indices found\n", loadmodel->name, invalidnormals);
93 static void Mod_MDL_LoadFrames (qbyte * datapointer, int inverts, int outverts, vec3_t scale, vec3_t translate)
95 daliasframetype_t *pframetype;
96 daliasframe_t *pinframe;
98 daliasinterval_t *intervals;
99 int i, f, pose, groupframes;
103 scene = loadmodel->animscenes;
104 for (f = 0;f < loadmodel->numframes;f++)
106 pframetype = (daliasframetype_t *)datapointer;
107 datapointer += sizeof(daliasframetype_t);
108 if (LittleLong (pframetype->type) == ALIAS_SINGLE)
110 // a single frame is still treated as a group
117 group = (daliasgroup_t *)datapointer;
118 datapointer += sizeof(daliasgroup_t);
119 groupframes = LittleLong (group->numframes);
121 // intervals (time per frame)
122 intervals = (daliasinterval_t *)datapointer;
123 datapointer += sizeof(daliasinterval_t) * groupframes;
125 interval = LittleFloat (intervals->interval); // FIXME: support variable framerate groups
126 if (interval < 0.01f)
127 Host_Error("Mod_LoadAliasGroup: invalid interval");
130 // get scene name from first frame
131 pinframe = (daliasframe_t *)datapointer;
133 strcpy(scene->name, pinframe->name);
134 scene->firstframe = pose;
135 scene->framecount = groupframes;
136 scene->framerate = 1.0f / interval;
141 for (i = 0;i < groupframes;i++)
143 pinframe = (daliasframe_t *)datapointer;
144 datapointer += sizeof(daliasframe_t);
146 // convert to MD2 frame headers
147 strcpy(loadmodel->mdlmd2data_frames[pose].name, pinframe->name);
148 VectorCopy(scale, loadmodel->mdlmd2data_frames[pose].scale);
149 VectorCopy(translate, loadmodel->mdlmd2data_frames[pose].translate);
151 Mod_ConvertAliasVerts(inverts, scale, translate, (trivertx_t *)datapointer, loadmodel->mdlmd2data_pose + pose * outverts);
152 datapointer += sizeof(trivertx_t) * inverts;
158 static rtexture_t *GL_SkinSplitShirt(qbyte *in, qbyte *out, int width, int height, int bits, char *name, int precache)
160 int i, pixels, passed;
162 for (i = 0;i < 16;i++)
163 pixeltest[i] = (bits & (1 << i)) != 0;
164 pixels = width*height;
168 if (pixeltest[*in >> 4] && *in != 0 && *in != 255)
171 // turn to white while copying
172 if (*in >= 128 && *in < 224) // backwards ranges
173 *out = (*in & 15) ^ 15;
183 return R_LoadTexture (loadmodel->texturepool, name, width, height, out - width*height, TEXTYPE_QPALETTE, (r_mipskins.integer ? TEXF_MIPMAP : 0) | (precache ? TEXF_PRECACHE : 0));
188 static rtexture_t *GL_SkinSplit(qbyte *in, qbyte *out, int width, int height, int bits, char *name, int precache)
190 int i, pixels, passed;
192 for (i = 0;i < 16;i++)
193 pixeltest[i] = (bits & (1 << i)) != 0;
194 pixels = width*height;
198 if (pixeltest[*in >> 4] && *in != 0 && *in != 255)
209 return R_LoadTexture (loadmodel->texturepool, name, width, height, out - width*height, TEXTYPE_QPALETTE, (r_mipskins.integer ? TEXF_MIPMAP : 0) | (precache ? TEXF_PRECACHE : 0));
214 static void Mod_LoadSkin (char *basename, qbyte *skindata, qbyte *skintemp, int width, int height, skinframe_t *skinframe, int precache)
216 skinframe->base = loadtextureimagewithmask(loadmodel->texturepool, va("%s_normal", basename), 0, 0, false, r_mipskins.integer, precache);
217 skinframe->fog = image_masktex;
218 skinframe->pants = NULL;
219 skinframe->shirt = NULL;
220 skinframe->glow = loadtextureimage(loadmodel->texturepool, va("%s_glow" , basename), 0, 0, false, r_mipskins.integer, precache);
221 skinframe->merged = NULL;
224 skinframe->pants = loadtextureimage(loadmodel->texturepool, va("%s_pants" , basename), 0, 0, false, r_mipskins.integer, precache);
225 skinframe->shirt = loadtextureimage(loadmodel->texturepool, va("%s_shirt" , basename), 0, 0, false, r_mipskins.integer, precache);
229 skinframe->base = loadtextureimagewithmask(loadmodel->texturepool, basename, 0, 0, false, true, true);
230 skinframe->fog = image_masktex;
231 if (!skinframe->base)
233 skinframe->pants = GL_SkinSplitShirt(skindata, skintemp, width, height, 0x0040, va("%s_pants", basename), false); // pants
234 skinframe->shirt = GL_SkinSplitShirt(skindata, skintemp, width, height, 0x0002, va("%s_shirt", basename), false); // shirt
235 skinframe->glow = GL_SkinSplit (skindata, skintemp, width, height, 0xC000, va("%s_glow", basename), precache); // glow
236 if (skinframe->pants || skinframe->shirt)
238 skinframe->base = GL_SkinSplit (skindata, skintemp, width, height, 0x3FBD, va("%s_normal", basename), false); // normal (no special colors)
239 skinframe->merged = GL_SkinSplit (skindata, skintemp, width, height, 0x3FFF, va("%s_body", basename), precache); // body (normal + pants + shirt, but not glow)
242 skinframe->base = GL_SkinSplit (skindata, skintemp, width, height, 0x3FFF, va("%s_base", basename), precache); // no special colors
243 // quake model skins don't have alpha
244 skinframe->fog = NULL;
249 #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);
250 #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);
251 void Mod_LoadAliasModel (model_t *mod, void *buffer)
253 int i, j, version, numverts, totalposes, totalskins, skinwidth, skinheight, totalverts, groupframes, groupskins;
255 stvert_t *pinstverts;
256 dtriangle_t *pintriangles;
257 daliasskintype_t *pinskintype;
258 daliasskingroup_t *pinskingroup;
259 daliasskininterval_t *pinskinintervals;
260 daliasframetype_t *pinframetype;
261 daliasgroup_t *pinframegroup;
262 float scales, scalet, scale[3], translate[3], interval;
263 qbyte *datapointer, *startframes, *startskins;
264 char name[MAX_QPATH];
265 qbyte *skintemp = NULL;
269 datapointer = buffer;
270 pinmodel = (mdl_t *)datapointer;
271 datapointer += sizeof(mdl_t);
273 version = LittleLong (pinmodel->version);
274 if (version != ALIAS_VERSION)
275 Host_Error ("%s has wrong version number (%i should be %i)",
276 loadmodel->name, version, ALIAS_VERSION);
278 loadmodel->type = mod_alias;
279 loadmodel->aliastype = ALIASTYPE_MDLMD2;
281 loadmodel->numskins = LittleLong(pinmodel->numskins);
282 BOUNDI(loadmodel->numskins,0,256);
283 skinwidth = LittleLong (pinmodel->skinwidth);
284 BOUNDI(skinwidth,0,4096);
285 skinheight = LittleLong (pinmodel->skinheight);
286 BOUNDI(skinheight,0,4096);
287 loadmodel->numverts = numverts = LittleLong(pinmodel->numverts);
288 BOUNDI(loadmodel->numverts,0,MAXALIASVERTS);
289 loadmodel->numtris = LittleLong(pinmodel->numtris);
290 BOUNDI(loadmodel->numtris,0,MAXALIASTRIS);
291 loadmodel->numframes = LittleLong(pinmodel->numframes);
292 BOUNDI(loadmodel->numframes,0,65536);
293 loadmodel->synctype = LittleLong (pinmodel->synctype);
294 BOUNDI(loadmodel->synctype,0,2);
295 loadmodel->flags = LittleLong (pinmodel->flags);
297 for (i = 0;i < 3;i++)
299 scale[i] = LittleFloat (pinmodel->scale[i]);
300 translate[i] = LittleFloat (pinmodel->scale_origin[i]);
303 startskins = datapointer;
305 for (i = 0;i < loadmodel->numskins;i++)
307 pinskintype = (daliasskintype_t *)datapointer;
308 datapointer += sizeof(daliasskintype_t);
309 if (LittleLong(pinskintype->type) == ALIAS_SKIN_SINGLE)
313 pinskingroup = (daliasskingroup_t *)datapointer;
314 datapointer += sizeof(daliasskingroup_t);
315 groupskins = LittleLong(pinskingroup->numskins);
316 datapointer += sizeof(daliasskininterval_t) * groupskins;
319 for (j = 0;j < groupskins;j++)
321 datapointer += skinwidth * skinheight;
326 pinstverts = (stvert_t *)datapointer;
327 datapointer += sizeof(stvert_t) * numverts;
329 pintriangles = (dtriangle_t *)datapointer;
330 datapointer += sizeof(dtriangle_t) * loadmodel->numtris;
332 startframes = datapointer;
334 for (i = 0;i < loadmodel->numframes;i++)
336 pinframetype = (daliasframetype_t *)datapointer;
337 datapointer += sizeof(daliasframetype_t);
338 if (LittleLong (pinframetype->type) == ALIAS_SINGLE)
342 pinframegroup = (daliasgroup_t *)datapointer;
343 datapointer += sizeof(daliasgroup_t);
344 groupframes = LittleLong(pinframegroup->numframes);
345 datapointer += sizeof(daliasinterval_t) * groupframes;
348 for (j = 0;j < groupframes;j++)
350 datapointer += sizeof(daliasframe_t);
351 datapointer += sizeof(trivertx_t) * numverts;
357 skintemp = Mem_Alloc(tempmempool, skinwidth * skinheight);
358 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numskins * sizeof(animscene_t));
359 loadmodel->skinframes = Mem_Alloc(loadmodel->mempool, totalskins * sizeof(skinframe_t));
361 datapointer = startskins;
362 for (i = 0;i < loadmodel->numskins;i++)
364 pinskintype = (daliasskintype_t *)datapointer;
365 datapointer += sizeof(daliasskintype_t);
367 if (pinskintype->type == ALIAS_SKIN_SINGLE)
374 pinskingroup = (daliasskingroup_t *)datapointer;
375 datapointer += sizeof(daliasskingroup_t);
377 groupskins = LittleLong (pinskingroup->numskins);
379 pinskinintervals = (daliasskininterval_t *)datapointer;
380 datapointer += sizeof(daliasskininterval_t) * groupskins;
382 interval = LittleFloat(pinskinintervals[0].interval);
383 if (interval < 0.01f)
384 Host_Error("Mod_LoadAliasModel: invalid interval\n");
387 sprintf(loadmodel->skinscenes[i].name, "skin %i", i);
388 loadmodel->skinscenes[i].firstframe = totalskins;
389 loadmodel->skinscenes[i].framecount = groupskins;
390 loadmodel->skinscenes[i].framerate = 1.0f / interval;
391 loadmodel->skinscenes[i].loop = true;
393 for (j = 0;j < groupskins;j++)
396 sprintf (name, "%s_%i_%i", loadmodel->name, i, j);
398 sprintf (name, "%s_%i", loadmodel->name, i);
399 Mod_LoadSkin(name, (qbyte *)datapointer, skintemp, skinwidth, skinheight, loadmodel->skinframes + totalskins, i == 0);
400 datapointer += skinwidth * skinheight;
406 // store texture coordinates into temporary array, they will be stored after usage is determined (triangle data)
407 scales = 1.0 / skinwidth;
408 scalet = 1.0 / skinheight;
409 for (i = 0;i < numverts;i++)
411 vertonseam[i] = LittleLong(pinstverts[i].onseam);
412 vertst[i][0] = LittleLong(pinstverts[i].s) * scales;
413 vertst[i][1] = LittleLong(pinstverts[i].t) * scalet;
414 vertst[i+numverts][0] = vertst[i][0] + 0.5;
415 vertst[i+numverts][1] = vertst[i][1];
417 vertusage[i+numverts] = 0;
420 // load triangle data
421 loadmodel->mdlmd2data_indices = Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * loadmodel->numtris);
423 // count the vertices used
424 for (i = 0;i < numverts*2;i++)
426 for (i = 0;i < loadmodel->numtris;i++)
428 temptris[i][0] = LittleLong(pintriangles[i].vertindex[0]);
429 temptris[i][1] = LittleLong(pintriangles[i].vertindex[1]);
430 temptris[i][2] = LittleLong(pintriangles[i].vertindex[2]);
431 if (!LittleLong(pintriangles[i].facesfront)) // backface
433 if (vertonseam[temptris[i][0]]) temptris[i][0] += numverts;
434 if (vertonseam[temptris[i][1]]) temptris[i][1] += numverts;
435 if (vertonseam[temptris[i][2]]) temptris[i][2] += numverts;
437 vertusage[temptris[i][0]]++;
438 vertusage[temptris[i][1]]++;
439 vertusage[temptris[i][2]]++;
441 // build remapping table and compact array
443 for (i = 0;i < numverts*2;i++)
447 vertremap[i] = totalverts;
448 vertst[totalverts][0] = vertst[i][0];
449 vertst[totalverts][1] = vertst[i][1];
453 vertremap[i] = -1; // not used at all
455 loadmodel->numverts = totalverts;
456 // remap the triangle references
457 for (i = 0;i < loadmodel->numtris;i++)
459 loadmodel->mdlmd2data_indices[i*3+0] = vertremap[temptris[i][0]];
460 loadmodel->mdlmd2data_indices[i*3+1] = vertremap[temptris[i][1]];
461 loadmodel->mdlmd2data_indices[i*3+2] = vertremap[temptris[i][2]];
463 // store the texture coordinates
464 loadmodel->mdlmd2data_texcoords = Mem_Alloc(loadmodel->mempool, sizeof(float[2]) * totalverts);
465 for (i = 0;i < totalverts;i++)
467 loadmodel->mdlmd2data_texcoords[i*2+0] = vertst[i][0];
468 loadmodel->mdlmd2data_texcoords[i*2+1] = vertst[i][1];
472 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
473 loadmodel->mdlmd2data_frames = Mem_Alloc(loadmodel->mempool, sizeof(md2frame_t) * totalposes);
474 loadmodel->mdlmd2data_pose = Mem_Alloc(loadmodel->mempool, sizeof(trivertx_t) * totalposes * totalverts);
476 // LordHavoc: doing proper bbox for model
477 aliasbboxmin[0] = aliasbboxmin[1] = aliasbboxmin[2] = 1000000000;
478 aliasbboxmax[0] = aliasbboxmax[1] = aliasbboxmax[2] = -1000000000;
480 Mod_MDL_LoadFrames (startframes, numverts, totalverts, scale, translate);
482 modelyawradius = sqrt(modelyawradius);
483 modelradius = sqrt(modelradius);
484 for (j = 0;j < 3;j++)
486 loadmodel->normalmins[j] = aliasbboxmin[j];
487 loadmodel->normalmaxs[j] = aliasbboxmax[j];
488 loadmodel->rotatedmins[j] = -modelradius;
489 loadmodel->rotatedmaxs[j] = modelradius;
491 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -(loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelyawradius);
492 loadmodel->yawmins[2] = loadmodel->normalmins[2];
493 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
495 loadmodel->Draw = R_DrawQ1Q2AliasModel;
496 loadmodel->DrawSky = NULL;
497 loadmodel->DrawShadow = NULL;
500 static void Mod_MD2_ConvertVerts (vec3_t scale, vec3_t translate, trivertx_t *v, trivertx_t *out, int *vertremap)
502 int i, invalidnormals = 0;
506 for (i = 0;i < loadmodel->numverts;i++)
508 in = v + vertremap[i];
509 VectorCopy(in->v, out[i].v);
510 temp[0] = in->v[0] * scale[0] + translate[0];
511 temp[1] = in->v[1] * scale[1] + translate[1];
512 temp[2] = in->v[2] * scale[2] + translate[2];
513 // update bounding box
514 if (temp[0] < aliasbboxmin[0]) aliasbboxmin[0] = temp[0];
515 if (temp[1] < aliasbboxmin[1]) aliasbboxmin[1] = temp[1];
516 if (temp[2] < aliasbboxmin[2]) aliasbboxmin[2] = temp[2];
517 if (temp[0] > aliasbboxmax[0]) aliasbboxmax[0] = temp[0];
518 if (temp[1] > aliasbboxmax[1]) aliasbboxmax[1] = temp[1];
519 if (temp[2] > aliasbboxmax[2]) aliasbboxmax[2] = temp[2];
520 dist = temp[0]*temp[0]+temp[1]*temp[1];
521 if (modelyawradius < dist)
522 modelyawradius = dist;
523 dist += temp[2]*temp[2];
524 if (modelradius < dist)
526 out[i].lightnormalindex = in->lightnormalindex;
527 if (out[i].lightnormalindex >= NUMVERTEXNORMALS)
530 out[i].lightnormalindex = 0;
534 Con_Printf("Mod_MD2_ConvertVerts: \"%s\", %i invalid normal indices found\n", loadmodel->name, invalidnormals);
537 void Mod_LoadQ2AliasModel (model_t *mod, void *buffer)
543 int i, j, k, hashindex, num, numxyz, numst, xyz, st;
544 float *stverts, s, t;
547 struct md2verthash_s *next;
551 *hash, **md2verthash, *md2verthashdata;
553 md2frame_t *pinframe;
555 md2triangle_t *intri;
556 unsigned short *inst;
557 int skinwidth, skinheight;
562 version = LittleLong (pinmodel->version);
563 if (version != MD2ALIAS_VERSION)
564 Host_Error ("%s has wrong version number (%i should be %i)",
565 loadmodel->name, version, MD2ALIAS_VERSION);
567 loadmodel->type = mod_alias;
568 loadmodel->aliastype = ALIASTYPE_MDLMD2;
569 loadmodel->Draw = R_DrawQ1Q2AliasModel;
570 loadmodel->DrawSky = NULL;
571 loadmodel->DrawShadow = NULL;
573 if (LittleLong(pinmodel->num_tris < 1) || LittleLong(pinmodel->num_tris) > MD2MAX_TRIANGLES)
574 Host_Error ("%s has invalid number of triangles: %i", loadmodel->name, LittleLong(pinmodel->num_tris));
575 if (LittleLong(pinmodel->num_xyz < 1) || LittleLong(pinmodel->num_xyz) > MD2MAX_VERTS)
576 Host_Error ("%s has invalid number of vertices: %i", loadmodel->name, LittleLong(pinmodel->num_xyz));
577 if (LittleLong(pinmodel->num_frames < 1) || LittleLong(pinmodel->num_frames) > MD2MAX_FRAMES)
578 Host_Error ("%s has invalid number of frames: %i", loadmodel->name, LittleLong(pinmodel->num_frames));
579 if (LittleLong(pinmodel->num_skins < 0) || LittleLong(pinmodel->num_skins) > MAX_SKINS)
580 Host_Error ("%s has invalid number of skins: %i", loadmodel->name, LittleLong(pinmodel->num_skins));
582 end = LittleLong(pinmodel->ofs_end);
583 if (LittleLong(pinmodel->num_skins) >= 1 && (LittleLong(pinmodel->ofs_skins <= 0) || LittleLong(pinmodel->ofs_skins) >= end))
584 Host_Error ("%s is not a valid model", loadmodel->name);
585 if (LittleLong(pinmodel->ofs_st <= 0) || LittleLong(pinmodel->ofs_st) >= end)
586 Host_Error ("%s is not a valid model", loadmodel->name);
587 if (LittleLong(pinmodel->ofs_tris <= 0) || LittleLong(pinmodel->ofs_tris) >= end)
588 Host_Error ("%s is not a valid model", loadmodel->name);
589 if (LittleLong(pinmodel->ofs_frames <= 0) || LittleLong(pinmodel->ofs_frames) >= end)
590 Host_Error ("%s is not a valid model", loadmodel->name);
591 if (LittleLong(pinmodel->ofs_glcmds <= 0) || LittleLong(pinmodel->ofs_glcmds) >= end)
592 Host_Error ("%s is not a valid model", loadmodel->name);
594 loadmodel->numskins = LittleLong(pinmodel->num_skins);
595 numxyz = LittleLong(pinmodel->num_xyz);
596 numst = LittleLong(pinmodel->num_st);
597 loadmodel->numtris = LittleLong(pinmodel->num_tris);
598 loadmodel->numframes = LittleLong(pinmodel->num_frames);
600 loadmodel->flags = 0; // there are no MD2 flags
601 loadmodel->synctype = ST_RAND;
604 inskin = (void*)(base + LittleLong(pinmodel->ofs_skins));
605 if (loadmodel->numskins)
607 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
608 loadmodel->skinframes = Mem_Alloc(loadmodel->mempool, sizeof(skinframe_t) * loadmodel->numskins);
609 for (i = 0;i < loadmodel->numskins;i++)
611 loadmodel->skinscenes[i].firstframe = i;
612 loadmodel->skinscenes[i].framecount = 1;
613 loadmodel->skinscenes[i].loop = true;
614 loadmodel->skinscenes[i].framerate = 10;
615 loadmodel->skinframes[i].base = loadtextureimagewithmask (loadmodel->texturepool, inskin, 0, 0, true, r_mipskins.integer, true);
616 loadmodel->skinframes[i].fog = image_masktex;
617 loadmodel->skinframes[i].pants = NULL;
618 loadmodel->skinframes[i].shirt = NULL;
619 loadmodel->skinframes[i].glow = NULL;
620 loadmodel->skinframes[i].merged = NULL;
621 inskin += MD2MAX_SKINNAME;
625 // load the triangles and stvert data
626 inst = (void*)(base + LittleLong(pinmodel->ofs_st));
627 intri = (void*)(base + LittleLong(pinmodel->ofs_tris));
628 skinwidth = LittleLong(pinmodel->skinwidth);
629 skinheight = LittleLong(pinmodel->skinheight);
631 stverts = Mem_Alloc(tempmempool, numst * sizeof(float[2]));
632 s = 1.0f / skinwidth;
633 t = 1.0f / skinheight;
634 for (i = 0;i < numst;i++)
636 j = (unsigned short) LittleShort(inst[i*2+0]);
637 k = (unsigned short) LittleShort(inst[i*2+1]);
638 if (j >= skinwidth || k >= skinheight)
641 Host_Error("Mod_MD2_LoadGeometry: invalid skin coordinate (%i %i) on vert %i of model %s\n", j, k, i, loadmodel->name);
643 stverts[i*2+0] = j * s;
644 stverts[i*2+1] = k * t;
647 md2verthash = Mem_Alloc(tempmempool, 256 * sizeof(hash));
648 md2verthashdata = Mem_Alloc(tempmempool, loadmodel->numtris * 3 * sizeof(*hash));
649 // swap the triangle list
651 loadmodel->mdlmd2data_indices = Mem_Alloc(loadmodel->mempool, loadmodel->numtris * sizeof(int[3]));
652 for (i = 0;i < loadmodel->numtris;i++)
654 for (j = 0;j < 3;j++)
656 xyz = (unsigned short) LittleShort (intri[i].index_xyz[j]);
657 st = (unsigned short) LittleShort (intri[i].index_st[j]);
658 if (xyz >= numxyz || st >= numst)
660 Mem_Free(md2verthash);
661 Mem_Free(md2verthashdata);
664 Host_Error("Mod_MD2_LoadGeometry: invalid xyz index (%i) on triangle %i of model %s\n", xyz, i, loadmodel->name);
666 Host_Error("Mod_MD2_LoadGeometry: invalid st index (%i) on triangle %i of model %s\n", st, i, loadmodel->name);
670 hashindex = (xyz * 17 + st) & 255;
671 for (hash = md2verthash[hashindex];hash;hash = hash->next)
672 if (hash->xyz == xyz && hash->st[0] == s && hash->st[1] == t)
676 hash = md2verthashdata + num++;
680 hash->next = md2verthash[hashindex];
681 md2verthash[hashindex] = hash;
683 loadmodel->mdlmd2data_indices[i*3+j] = (hash - md2verthashdata);
689 loadmodel->numverts = num;
690 vertremap = Mem_Alloc(loadmodel->mempool, num * sizeof(int));
691 loadmodel->mdlmd2data_texcoords = Mem_Alloc(loadmodel->mempool, num * sizeof(float[2]));
692 for (i = 0;i < num;i++)
694 hash = md2verthashdata + i;
695 vertremap[i] = hash->xyz;
696 loadmodel->mdlmd2data_texcoords[i*2+0] = hash->st[0];
697 loadmodel->mdlmd2data_texcoords[i*2+1] = hash->st[1];
700 Mem_Free(md2verthash);
701 Mem_Free(md2verthashdata);
704 // LordHavoc: doing proper bbox for model
705 aliasbboxmin[0] = aliasbboxmin[1] = aliasbboxmin[2] = 1000000000;
706 aliasbboxmax[0] = aliasbboxmax[1] = aliasbboxmax[2] = -1000000000;
710 datapointer = (base + LittleLong(pinmodel->ofs_frames));
712 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
713 loadmodel->mdlmd2data_frames = Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(md2frame_t));
714 loadmodel->mdlmd2data_pose = Mem_Alloc(loadmodel->mempool, loadmodel->numverts * loadmodel->numframes * sizeof(trivertx_t));
716 for (i = 0;i < loadmodel->numframes;i++)
718 pinframe = (md2frame_t *)datapointer;
719 datapointer += sizeof(md2frame_t);
720 strcpy(loadmodel->mdlmd2data_frames[i].name, pinframe->name);
721 for (j = 0;j < 3;j++)
723 loadmodel->mdlmd2data_frames[i].scale[j] = LittleFloat(pinframe->scale[j]);
724 loadmodel->mdlmd2data_frames[i].translate[j] = LittleFloat(pinframe->translate[j]);
726 Mod_MD2_ConvertVerts (loadmodel->mdlmd2data_frames[i].scale, loadmodel->mdlmd2data_frames[i].translate, (void *)datapointer, &loadmodel->mdlmd2data_pose[i * loadmodel->numverts], vertremap);
727 datapointer += numxyz * sizeof(trivertx_t);
729 strcpy(loadmodel->animscenes[i].name, loadmodel->mdlmd2data_frames[i].name);
730 loadmodel->animscenes[i].firstframe = i;
731 loadmodel->animscenes[i].framecount = 1;
732 loadmodel->animscenes[i].framerate = 10;
733 loadmodel->animscenes[i].loop = true;
738 // LordHavoc: model bbox
739 modelyawradius = sqrt(modelyawradius);
740 modelradius = sqrt(modelradius);
741 for (j = 0;j < 3;j++)
743 loadmodel->normalmins[j] = aliasbboxmin[j];
744 loadmodel->normalmaxs[j] = aliasbboxmax[j];
745 loadmodel->rotatedmins[j] = -modelradius;
746 loadmodel->rotatedmaxs[j] = modelradius;
748 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -(loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelyawradius);
749 loadmodel->yawmins[2] = loadmodel->normalmins[2];
750 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
753 static void zymswapintblock(int *m, int size)
763 void Mod_LoadZymoticModel(model_t *mod, void *buffer)
765 int i, pbase, *bonecount, numposes;
766 unsigned int count, a, b, c, *renderlist, *renderlistend;
767 rtexture_t **texture;
769 zymtype1header_t *pinmodel, *pheader;
772 float corner[2], modelradius;
774 pinmodel = (void *)buffer;
776 if (memcmp(pinmodel->id, "ZYMOTICMODEL", 12))
777 Host_Error ("Mod_LoadZymoticModel: %s is not a zymotic model\n");
779 if (BigLong(pinmodel->type) != 1)
780 Host_Error ("Mod_LoadZymoticModel: only type 1 (skeletal pose) models are currently supported (name = %s)\n", loadmodel->name);
782 loadmodel->type = mod_alias;
783 loadmodel->aliastype = ALIASTYPE_ZYM;
785 loadmodel->zymdata_header = pheader = Mem_Alloc(loadmodel->mempool, BigLong(pinmodel->filesize));
787 pbase = (int) pheader;
789 memcpy(pheader, pinmodel, BigLong(pinmodel->filesize));
792 #define SWAPLONG(var) var = BigLong(var)
793 #define SWAPFLOAT(var) var = BigFloat(var)
794 #define SWAPVEC(var) SWAPFLOAT(var[0]);SWAPFLOAT(var[1]);SWAPFLOAT(var[2])
795 SWAPLONG(pheader->type);
796 SWAPLONG(pheader->filesize);
797 SWAPVEC(pheader->mins);
798 SWAPVEC(pheader->maxs);
799 SWAPFLOAT(pheader->radius);
800 SWAPLONG(pheader->numverts);
801 SWAPLONG(pheader->numtris);
802 SWAPLONG(pheader->numshaders);
803 SWAPLONG(pheader->numbones);
804 SWAPLONG(pheader->numscenes);
806 #define SWAPLUMPINFO(var) SWAPLONG(pheader->lump_##var.start);SWAPLONG(pheader->lump_##var.length)
807 SWAPLUMPINFO(scenes);
810 SWAPLUMPINFO(vertbonecounts);
812 SWAPLUMPINFO(texcoords);
813 SWAPLUMPINFO(render);
814 SWAPLUMPINFO(shaders);
815 SWAPLUMPINFO(trizone);
817 loadmodel->flags = 0; // there are no flags
818 loadmodel->numframes = pheader->numscenes;
819 loadmodel->synctype = ST_SYNC;
820 loadmodel->numtris = pheader->numtris;
822 // FIXME: add skin support and texturing and shaders and...
823 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) + sizeof(skinframe_t));
824 loadmodel->skinscenes[0].firstframe = 0;
825 loadmodel->skinscenes[0].framecount = 1;
826 loadmodel->skinscenes[0].loop = true;
827 loadmodel->skinscenes[0].framerate = 10;
828 loadmodel->skinframes = (void *)(loadmodel->skinscenes + 1);
829 loadmodel->skinframes->base = NULL;
830 loadmodel->skinframes->fog = NULL;
831 loadmodel->skinframes->pants = NULL;
832 loadmodel->skinframes->shirt = NULL;
833 loadmodel->skinframes->glow = NULL;
834 loadmodel->skinframes->merged = NULL;
835 loadmodel->numskins = 1;
836 numposes = pheader->lump_poses.length / sizeof(float[3][4]) / pheader->numbones;
838 // go through the lumps, swapping things
840 // zymlump_t lump_scenes; // zymscene_t scene[numscenes]; // name and other information for each scene (see zymscene struct)
841 scene = (void *) (pheader->lump_scenes.start + pbase);
842 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
843 for (i = 0;i < pheader->numscenes;i++)
845 SWAPVEC(scene->mins);
846 SWAPVEC(scene->maxs);
847 SWAPFLOAT(scene->radius);
848 SWAPFLOAT(scene->framerate);
849 SWAPLONG(scene->flags);
850 SWAPLONG(scene->start);
851 SWAPLONG(scene->length);
853 memcpy(loadmodel->animscenes[i].name, scene->name, 32);
854 loadmodel->animscenes[i].firstframe = scene->start;
855 loadmodel->animscenes[i].framecount = scene->length;
856 loadmodel->animscenes[i].framerate = scene->framerate;
857 loadmodel->animscenes[i].loop = (scene->flags & ZYMSCENEFLAG_NOLOOP) == 0;
859 if ((unsigned int) loadmodel->animscenes[i].firstframe >= numposes)
860 Host_Error("Mod_LoadZymoticModel: scene firstframe (%i) >= numposes (%i)\n", loadmodel->animscenes[i].firstframe, numposes);
861 if ((unsigned int) loadmodel->animscenes[i].firstframe + (unsigned int) loadmodel->animscenes[i].framecount > numposes)
862 Host_Error("Mod_LoadZymoticModel: scene firstframe (%i) + framecount (%i) >= numposes (%i)\n", loadmodel->animscenes[i].firstframe, loadmodel->animscenes[i].framecount, numposes);
863 if (loadmodel->animscenes[i].framerate < 0)
864 Host_Error("Mod_LoadZymoticModel: scene framerate (%f) < 0\n", loadmodel->animscenes[i].framerate);
868 // zymlump_t lump_poses; // float pose[numposes][numbones][3][4]; // animation data
869 zymswapintblock((void *) (pheader->lump_poses.start + pbase), pheader->lump_poses.length);
871 // zymlump_t lump_bones; // zymbone_t bone[numbones];
872 bone = (void *) (pheader->lump_bones.start + pbase);
873 for (i = 0;i < pheader->numbones;i++)
875 SWAPLONG(bone[i].flags);
876 SWAPLONG(bone[i].parent);
877 if (bone[i].parent >= i)
878 Host_Error("Mod_LoadZymoticModel: bone[i].parent >= i in %s\n", loadmodel->name);
881 // zymlump_t lump_vertbonecounts; // int vertbonecounts[numvertices]; // how many bones influence each vertex (separate mainly to make this compress better)
882 zymswapintblock((void *) (pheader->lump_vertbonecounts.start + pbase), pheader->lump_vertbonecounts.length);
883 bonecount = (void *) (pheader->lump_vertbonecounts.start + pbase);
884 for (i = 0;i < pheader->numbones;i++)
885 if (bonecount[i] < 1)
886 Host_Error("Mod_LoadZymoticModel: bone vertex count < 1 in %s\n", loadmodel->name);
888 // zymlump_t lump_verts; // zymvertex_t vert[numvertices]; // see vertex struct
889 zymswapintblock((void *) (pheader->lump_verts.start + pbase), pheader->lump_verts.length);
891 // zymlump_t lump_texcoords; // float texcoords[numvertices][2];
892 zymswapintblock((void *) (pheader->lump_texcoords.start + pbase), pheader->lump_texcoords.length);
894 // 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)
895 zymswapintblock((void *) (pheader->lump_render.start + pbase), pheader->lump_render.length);
896 // validate renderlist and swap winding order of tris
897 renderlist = (void *) (pheader->lump_render.start + pbase);
898 renderlistend = (void *) ((qbyte *) renderlist + pheader->lump_render.length);
899 i = pheader->numshaders * sizeof(int) + pheader->numtris * sizeof(int[3]);
900 if (pheader->lump_render.length != i)
901 Host_Error("Mod_LoadZymoticModel: renderlist is wrong size in %s (is %i bytes, should be %i bytes)\n", loadmodel->name, pheader->lump_render.length, i);
902 for (i = 0;i < pheader->numshaders;i++)
904 if (renderlist >= renderlistend)
905 Host_Error("Mod_LoadZymoticModel: corrupt renderlist in %s (wrong size)\n", loadmodel->name);
906 count = *renderlist++;
907 if (renderlist + count * 3 > renderlistend)
908 Host_Error("Mod_LoadZymoticModel: corrupt renderlist in %s (wrong size)\n", loadmodel->name);
914 if (a >= pheader->numverts || b >= pheader->numverts || c >= pheader->numverts)
915 Host_Error("Mod_LoadZymoticModel: corrupt renderlist in %s (out of bounds index)\n", loadmodel->name);
923 // zymlump_t lump_shaders; // char shadername[numshaders][32]; // shaders used on this model
924 shadername = (void *) (pheader->lump_shaders.start + pbase);
925 texture = (void *) shadername;
926 for (i = 0;i < pheader->numshaders;i++)
929 rt = loadtextureimage(loadmodel->texturepool, shadername, 0, 0, true, r_mipskins.integer, true);
931 *texture++ = rt; // reuse shader name list for texture pointers
934 // zymlump_t lump_trizone; // byte trizone[numtris]; // see trizone explanation
935 zymswapintblock((void *) (pheader->lump_trizone.start + pbase), pheader->lump_trizone.length);
938 modelradius = pheader->radius;
939 for (i = 0;i < 3;i++)
941 loadmodel->normalmins[i] = pheader->mins[i];
942 loadmodel->normalmaxs[i] = pheader->maxs[i];
943 loadmodel->rotatedmins[i] = -modelradius;
944 loadmodel->rotatedmaxs[i] = modelradius;
946 corner[0] = max(fabs(loadmodel->normalmins[0]), fabs(loadmodel->normalmaxs[0]));
947 corner[1] = max(fabs(loadmodel->normalmins[1]), fabs(loadmodel->normalmaxs[1]));
948 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = sqrt(corner[0]*corner[0]+corner[1]*corner[1]);
949 if (loadmodel->yawmaxs[0] > modelradius)
950 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelradius;
951 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -loadmodel->yawmaxs[0];
952 loadmodel->yawmins[2] = loadmodel->normalmins[2];
953 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
955 loadmodel->Draw = R_DrawZymoticModel;
956 loadmodel->DrawSky = NULL;
957 loadmodel->DrawShadow = NULL;