1 /* $Id: polyobj.c,v 1.8 2002-08-08 09:09:43 btb Exp $ */
3 THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
4 SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
5 END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
6 ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
7 IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
8 SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
9 FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
10 CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
11 AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
12 COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
20 static char rcsid[] = "$Id: polyobj.c,v 1.8 2002-08-08 09:09:43 btb Exp $";
27 // -- I hate this warning in make depend! -- #ifdef DRIVE
28 // -- I hate this warning in make depend! -- #include "drive.h"
29 // -- I hate this warning in make depend! -- #else
31 // -- I hate this warning in make depend! -- #endif
58 polymodel Polygon_models[MAX_POLYGON_MODELS]; // = {&bot11,&bot17,&robot_s2,&robot_b2,&bot11,&bot17,&robot_s2,&robot_b2};
60 int N_polygon_models = 0;
62 #define MAX_POLYGON_VECS 1000
63 g3s_point robot_points[MAX_POLYGON_VECS];
65 #define PM_COMPATIBLE_VERSION 6
66 #define PM_OBJFILE_VERSION 8
71 #define MODEL_BUF_SIZE 32768
73 void _pof_cfseek(int len,int type)
76 case SEEK_SET: Pof_addr = len; break;
77 case SEEK_CUR: Pof_addr += len; break;
79 Assert(len <= 0); // seeking from end, better be moving back.
80 Pof_addr = Pof_file_end + len;
84 if (Pof_addr > MODEL_BUF_SIZE)
88 #define pof_cfseek(_buf,_len,_type) _pof_cfseek((_len),(_type))
90 int pof_read_int(ubyte *bufp)
94 i = *((int *) &bufp[Pof_addr]);
98 // if (cfread(&i,sizeof(i),1,f) != 1)
99 // Error("Unexpected end-of-file while reading object");
104 size_t pof_cfread(void *dst, size_t elsize, size_t nelem, ubyte *bufp)
106 if (Pof_addr + nelem*elsize > Pof_file_end)
109 memcpy(dst, &bufp[Pof_addr], elsize*nelem);
111 Pof_addr += elsize*nelem;
113 if (Pof_addr > MODEL_BUF_SIZE)
119 // #define new_read_int(i,f) cfread(&(i),sizeof(i),1,(f))
120 #define new_pof_read_int(i,f) pof_cfread(&(i),sizeof(i),1,(f))
122 short pof_read_short(ubyte *bufp)
126 s = *((short *) &bufp[Pof_addr]);
129 // if (cfread(&s,sizeof(s),1,f) != 1)
130 // Error("Unexpected end-of-file while reading object");
135 void pof_read_string(char *buf,int max_char, ubyte *bufp)
139 for (i=0; i<max_char; i++) {
140 if ((*buf++ = bufp[Pof_addr++]) == 0)
144 // while (max_char-- && (*buf=cfgetc(f)) != 0) buf++;
148 void pof_read_vecs(vms_vector *vecs,int n,ubyte *bufp)
150 // cfread(vecs,sizeof(vms_vector),n,f);
152 memcpy(vecs, &bufp[Pof_addr], n*sizeof(*vecs));
153 Pof_addr += n*sizeof(*vecs);
155 if (Pof_addr > MODEL_BUF_SIZE)
159 #define ID_OHDR 0x5244484f // 'RDHO' //Object header
160 #define ID_SOBJ 0x4a424f53 // 'JBOS' //Subobject header
161 #define ID_GUNS 0x534e5547 // 'SNUG' //List of guns on this object
162 #define ID_ANIM 0x4d494e41 // 'MINA' //Animation data
163 #define ID_IDTA 0x41544449 // 'ATDI' //Interpreter data
164 #define ID_TXTR 0x52545854 // 'RTXT' //Texture filename list
167 #define robot_info void
169 vms_angvec anim_angs[N_ANIM_STATES][MAX_SUBMODELS];
171 //set the animation angles for this robot. Gun fields of robot info must
173 void robot_set_angles(robot_info *r,polymodel *pm,vms_angvec angs[N_ANIM_STATES][MAX_SUBMODELS]);
176 #define DEBUG_LEVEL CON_NORMAL
178 //reads a binary file containing a 3d model
179 polymodel *read_model_file(polymodel *pm,char *filename,robot_info *r)
183 int id,len, next_chunk;
187 #ifdef WORDS_BIGENDIAN
188 Error("read_model_file(): This function is not bigendian-friendly!\n");
190 model_buf = (ubyte *)d_malloc( MODEL_BUF_SIZE * sizeof(ubyte) );
192 Error("Can't allocate space to read model %s\n", filename);
194 if ((ifile=cfopen(filename,"rb"))==NULL)
195 Error("Can't open file <%s>",filename);
197 Assert(ifile->size <= MODEL_BUF_SIZE);
200 Pof_file_end = cfread(model_buf, 1, cfilelength(ifile), ifile);
203 id = pof_read_int(model_buf);
205 if (id!=0x4f505350) /* 'OPSP' */
206 Error("Bad ID in model file <%s>",filename);
208 version = pof_read_short(model_buf);
210 if (version < PM_COMPATIBLE_VERSION || version > PM_OBJFILE_VERSION)
211 Error("Bad version (%d) in model file <%s>",version,filename);
213 if ( FindArg( "-bspgen" ))
214 printf( "bspgen -c1" );
216 while (new_pof_read_int(id,model_buf) == 1) {
218 //id = pof_read_int(model_buf);
219 len = pof_read_int(model_buf);
220 next_chunk = Pof_addr + len;
224 case ID_OHDR: { //Object header
225 vms_vector pmmin,pmmax;
227 //con_printf(DEBUG_LEVEL, "Got chunk OHDR, len=%d\n",len);
229 pm->n_models = pof_read_int(model_buf);
230 pm->rad = pof_read_int(model_buf);
232 Assert(pm->n_models <= MAX_SUBMODELS);
234 pof_read_vecs(&pmmin,1,model_buf);
235 pof_read_vecs(&pmmax,1,model_buf);
237 if ( FindArg( "-bspgen" )) {
241 vm_vec_sub(&v, &pmmax, &pmmin );
243 if ( v.y > l ) l = v.y;
244 if ( v.z > l ) l = v.z;
246 printf( " -l%.3f", f2fl(l) );
252 case ID_SOBJ: { //Subobject header
257 //con_printf(DEBUG_LEVEL, "Got chunk SOBJ, len=%d\n",len);
259 n = pof_read_short(model_buf);
261 Assert(n < MAX_SUBMODELS);
263 pm->submodel_parents[n] = pof_read_short(model_buf);
265 pof_read_vecs(&pm->submodel_norms[n],1,model_buf);
266 pof_read_vecs(&pm->submodel_pnts[n],1,model_buf);
267 pof_read_vecs(&pm->submodel_offsets[n],1,model_buf);
269 pm->submodel_rads[n] = pof_read_int(model_buf); //radius
271 pm->submodel_ptrs[n] = pof_read_int(model_buf); //offset
278 case ID_GUNS: { //List of guns on this object
280 //con_printf(DEBUG_LEVEL, "Got chunk GUNS, len=%d\n",len);
285 ubyte gun_used[MAX_GUNS];
287 r->n_guns = pof_read_int(model_buf);
292 Assert(r->n_guns <= MAX_GUNS);
294 for (i=0;i<r->n_guns;i++)
297 for (i=0;i<r->n_guns;i++) {
300 id = pof_read_short(model_buf);
301 Assert(id < r->n_guns);
302 Assert(gun_used[id] == 0);
304 r->gun_submodels[id] = pof_read_short(model_buf);
305 Assert(r->gun_submodels[id] != 0xff);
306 pof_read_vecs(&r->gun_points[id],1,model_buf);
309 pof_read_vecs(&gun_dir,1,model_buf);
313 pof_cfseek(model_buf,len,SEEK_CUR);
318 case ID_ANIM: //Animation data
319 //con_printf(DEBUG_LEVEL, "Got chunk ANIM, len=%d\n",len);
326 n_frames = pof_read_short(model_buf);
328 Assert(n_frames == N_ANIM_STATES);
330 for (m=0;m<pm->n_models;m++)
331 for (f=0;f<n_frames;f++)
332 pof_cfread(&anim_angs[f][m],1,sizeof(vms_angvec),model_buf);
334 robot_set_angles(r,pm,anim_angs);
338 pof_cfseek(model_buf,len,SEEK_CUR);
343 case ID_TXTR: { //Texture filename list
347 //con_printf(DEBUG_LEVEL, "Got chunk TXTR, len=%d\n",len);
349 n = pof_read_short(model_buf);
350 //con_printf(DEBUG_LEVEL, " num textures = %d\n",n);
352 pof_read_string(name_buf,128,model_buf);
353 //con_printf(DEBUG_LEVEL, "<%s>\n",name_buf);
359 case ID_IDTA: //Interpreter data
360 //con_printf(DEBUG_LEVEL, "Got chunk IDTA, len=%d\n",len);
362 pm->model_data = d_malloc(len);
363 pm->model_data_size = len;
365 pof_cfread(pm->model_data,1,len,model_buf);
370 //con_printf(DEBUG_LEVEL, "Unknown chunk <%c%c%c%c>, len = %d\n",id,id>>8,id>>16,id>>24,len);
371 pof_cfseek(model_buf,len,SEEK_CUR);
375 if ( version >= 8 ) // Version 8 needs 4-byte alignment!!!
376 pof_cfseek(model_buf,next_chunk,SEEK_SET);
379 // for (i=0;i<pm->n_models;i++)
380 // pm->submodel_ptrs[i] += (int) pm->model_data;
382 if ( FindArg( "-bspgen" )) {
383 char *p = strchr( filename, '.' );
389 printf( " %s.3ds\n", filename );
398 //reads the gun information for a model
399 //fills in arrays gun_points & gun_dirs, returns the number of guns read
400 int read_model_guns(char *filename,vms_vector *gun_points, vms_vector *gun_dirs, int *gun_submodels)
408 model_buf = (ubyte *)d_malloc( MODEL_BUF_SIZE * sizeof(ubyte) );
410 Error("Can't allocate space to read model %s\n", filename);
412 if ((ifile=cfopen(filename,"rb"))==NULL)
413 Error("Can't open file <%s>",filename);
415 Assert(ifile->size <= MODEL_BUF_SIZE);
418 Pof_file_end = cfread(model_buf, 1, ifile->size, ifile);
421 id = pof_read_int(model_buf);
423 if (id!=0x4f505350) /* 'OPSP' */
424 Error("Bad ID in model file <%s>",filename);
426 version = pof_read_short(model_buf);
428 Assert(version >= 7); //must be 7 or higher for this data
430 if (version < PM_COMPATIBLE_VERSION || version > PM_OBJFILE_VERSION)
431 Error("Bad version (%d) in model file <%s>",version,filename);
433 while (new_pof_read_int(id,model_buf) == 1) {
435 //id = pof_read_int(model_buf);
436 len = pof_read_int(model_buf);
438 if (id == ID_GUNS) { //List of guns on this object
440 //con_printf(DEBUG_LEVEL, "Got chunk GUNS, len=%d\n",len);
444 n_guns = pof_read_int(model_buf);
446 for (i=0;i<n_guns;i++) {
449 id = pof_read_short(model_buf);
450 sm = pof_read_short(model_buf);
452 gun_submodels[id] = sm;
454 Error("Invalid gun submodel in file <%s>",filename);
455 pof_read_vecs(&gun_points[id],1,model_buf);
457 pof_read_vecs(&gun_dirs[id],1,model_buf);
462 pof_cfseek(model_buf,len,SEEK_CUR);
471 //free up a model, getting rid of all its memory
472 void free_model(polymodel *po)
474 d_free(po->model_data);
477 grs_bitmap *texture_list[MAX_POLYOBJ_TEXTURES];
478 bitmap_index texture_list_index[MAX_POLYOBJ_TEXTURES];
480 int Simple_model_threshhold_scale=5; //switch when this times radius far away
483 //draw a polygon model
485 void draw_polygon_model(vms_vector *pos,vms_matrix *orient,vms_angvec *anim_angles,int model_num,int flags,fix light,fix *glow_values,bitmap_index alt_textures[])
489 PA_DFX (int save_light);
491 Assert(model_num < N_polygon_models);
493 po=&Polygon_models[model_num];
495 //check if should use simple model
496 if (po->simpler_model ) //must have a simpler model
497 if (flags==0) //can't switch if this is debris
498 //!!if (!alt_textures) { //alternate textures might not match
499 //alt textures might not match, but in the one case we're using this
500 //for on 11/14/94, they do match. So we leave it in.
505 depth = g3_calc_point_depth(pos); //gets 3d depth
507 while (po->simpler_model && depth > cnt++ * Simple_model_threshhold_scale * po->rad)
508 po = &Polygon_models[po->simpler_model-1];
513 for (i=0;i<po->n_textures;i++) {
514 texture_list_index[i] = alt_textures[i];
515 texture_list[i] = &GameBitmaps[alt_textures[i].index];
518 texture_list[i]->bm_handle = texture_list_index[i].index;
524 for (i=0;i<po->n_textures;i++) {
525 texture_list_index[i] = ObjBitmaps[ObjBitmapPtrs[po->first_texture+i]];
526 texture_list[i] = &GameBitmaps[ObjBitmaps[ObjBitmapPtrs[po->first_texture+i]].index];
529 texture_list[i]->bm_handle = texture_list_index[i].index;
534 #ifdef PIGGY_USE_PAGING
535 // Make sure the textures for this object are paged in...
536 piggy_page_flushed = 0;
537 for (i=0;i<po->n_textures;i++)
538 PIGGY_PAGE_IN( texture_list_index[i] );
539 // Hmmm... cache got flushed in the middle of paging all these in,
540 // so we need to reread them all in.
541 if (piggy_page_flushed) {
542 piggy_page_flushed = 0;
543 for (i=0;i<po->n_textures;i++)
544 PIGGY_PAGE_IN( texture_list_index[i] );
546 // Make sure that they can all fit in memory.
547 Assert( piggy_page_flushed == 0 );
550 g3_start_instance_matrix(pos,orient);
552 g3_set_interp_points(robot_points);
555 _3dfx_rendering_poly_obj = 1;
557 PA_DFX(save_light = Lighting_on);
558 PA_DFX(Lighting_on = 0);
560 if (flags == 0) //draw entire object
562 g3_draw_polygon_model(po->model_data,texture_list,anim_angles,light,glow_values);
567 for (i=0;flags;flags>>=1,i++)
571 Assert(i < po->n_models);
573 //if submodel, rotate around its center point, not pivot point
575 vm_vec_avg(&ofs,&po->submodel_mins[i],&po->submodel_maxs[i]);
577 g3_start_instance_matrix(&ofs,NULL);
579 g3_draw_polygon_model(&po->model_data[po->submodel_ptrs[i]],texture_list,anim_angles,light,glow_values);
588 _3dfx_rendering_poly_obj = 0;
591 PA_DFX (Lighting_on = save_light);
596 void free_polygon_models()
600 for (i=0;i<N_polygon_models;i++) {
601 free_model(&Polygon_models[i]);
606 void polyobj_find_min_max(polymodel *pm)
612 vms_vector *big_mn,*big_mx;
617 for (m=0;m<pm->n_models;m++) {
618 vms_vector *mn,*mx,*ofs;
620 mn = &pm->submodel_mins[m];
621 mx = &pm->submodel_maxs[m];
622 ofs= &pm->submodel_offsets[m];
624 data = (ushort *)&pm->model_data[pm->submodel_ptrs[m]];
628 Assert(type == 7 || type == 1);
633 data+=2; //skip start & pad
635 vp = (vms_vector *) data;
637 *mn = *mx = *vp++; nverts--;
640 *big_mn = *big_mx = *mn;
643 if (vp->x > mx->x) mx->x = vp->x;
644 if (vp->y > mx->y) mx->y = vp->y;
645 if (vp->z > mx->z) mx->z = vp->z;
647 if (vp->x < mn->x) mn->x = vp->x;
648 if (vp->y < mn->y) mn->y = vp->y;
649 if (vp->z < mn->z) mn->z = vp->z;
651 if (vp->x+ofs->x > big_mx->x) big_mx->x = vp->x+ofs->x;
652 if (vp->y+ofs->y > big_mx->y) big_mx->y = vp->y+ofs->y;
653 if (vp->z+ofs->z > big_mx->z) big_mx->z = vp->z+ofs->z;
655 if (vp->x+ofs->x < big_mn->x) big_mn->x = vp->x+ofs->x;
656 if (vp->y+ofs->y < big_mn->y) big_mn->y = vp->y+ofs->y;
657 if (vp->z+ofs->z < big_mn->z) big_mn->z = vp->z+ofs->z;
662 // printf("Submodel %d: (%8x,%8x) (%8x,%8x) (%8x,%8x)\n",m,mn->x,mx->x,mn->y,mx->y,mn->z,mx->z);
665 // printf("Whole model: (%8x,%8x) (%8x,%8x) (%8x,%8x)\n",big_mn->x,big_mx->x,big_mn->y,big_mx->y,big_mn->z,big_mx->z);
669 extern short highest_texture_num; //from the 3d
671 char Pof_names[MAX_POLYGON_MODELS][FILENAME_LEN];
673 //returns the number of this model
675 int load_polygon_model(char *filename,int n_textures,int first_texture,robot_info *r)
677 int load_polygon_model(char *filename,int n_textures,grs_bitmap ***textures)
684 Assert(N_polygon_models < MAX_POLYGON_MODELS);
685 Assert(n_textures < MAX_POLYOBJ_TEXTURES);
687 // MK was real tired of those useless, slow mprintfs...
688 if (N_polygon_models > MAX_POLYGON_MODELS - 10)
689 mprintf(( 0, "Used %d/%d polygon model slots\n", N_polygon_models+1, MAX_POLYGON_MODELS ));
691 Assert(strlen(filename) <= 12);
692 strcpy(Pof_names[N_polygon_models],filename);
694 read_model_file(&Polygon_models[N_polygon_models],filename,r);
696 polyobj_find_min_max(&Polygon_models[N_polygon_models]);
698 g3_init_polygon_model(Polygon_models[N_polygon_models].model_data);
700 if (highest_texture_num+1 != n_textures)
701 Error("Model <%s> references %d textures but specifies %d.",filename,highest_texture_num+1,n_textures);
703 Polygon_models[N_polygon_models].n_textures = n_textures;
704 Polygon_models[N_polygon_models].first_texture = first_texture;
705 Polygon_models[N_polygon_models].simpler_model = 0;
707 // Assert(polygon_models[N_polygon_models]!=NULL);
711 return N_polygon_models-1;
716 void init_polygon_models()
718 N_polygon_models = 0;
720 atexit((void (*)())free_polygon_models);
724 //compare against this size when figuring how far to place eye for picture
725 #define BASE_MODEL_SIZE 0x28000
727 #define DEFAULT_VIEW_DIST 0x60000
729 //draws the given model in the current canvas. The distance is set to
730 //more-or-less fill the canvas. Note that this routine actually renders
731 //into an off-screen canvas that it creates, then copies to the current
733 void draw_model_picture(int mn,vms_angvec *orient_angles)
735 vms_vector temp_pos=ZERO_VECTOR;
736 vms_matrix temp_orient = IDENTITY_MATRIX;
737 grs_canvas *save_canv = grd_curcanv,*temp_canv;
739 Assert(mn>=0 && mn<N_polygon_models);
741 temp_canv = gr_create_canvas(save_canv->cv_bitmap.bm_w,save_canv->cv_bitmap.bm_h);
742 gr_set_current_canvas(temp_canv);
743 gr_clear_canvas( BM_XRGB(0,0,0) );
746 g3_set_view_matrix(&temp_pos,&temp_orient,0x9000);
748 if (Polygon_models[mn].rad != 0)
749 temp_pos.z = fixmuldiv(DEFAULT_VIEW_DIST,Polygon_models[mn].rad,BASE_MODEL_SIZE);
751 temp_pos.z = DEFAULT_VIEW_DIST;
753 vm_angles_2_matrix(&temp_orient, orient_angles);
755 PA_DFX(save_light = Lighting_on);
756 PA_DFX(Lighting_on = 0);
757 draw_polygon_model(&temp_pos,&temp_orient,NULL,mn,0,f1_0,NULL,NULL);
758 PA_DFX (Lighting_on = save_light);
760 gr_set_current_canvas(save_canv);
762 gr_bitmap(0,0,&temp_canv->cv_bitmap);
764 gr_free_canvas(temp_canv);
769 * reads a polymodel structure from a CFILE
771 extern void polymodel_read(polymodel *pm, CFILE *fp)
775 pm->n_models = cfile_read_int(fp);
776 pm->model_data_size = cfile_read_int(fp);
777 pm->model_data = (ubyte *) cfile_read_int(fp);
778 for (i = 0; i < MAX_SUBMODELS; i++)
779 pm->submodel_ptrs[i] = cfile_read_int(fp);
780 for (i = 0; i < MAX_SUBMODELS; i++)
781 cfile_read_vector(&(pm->submodel_offsets[i]), fp);
782 for (i = 0; i < MAX_SUBMODELS; i++)
783 cfile_read_vector(&(pm->submodel_norms[i]), fp);
784 for (i = 0; i < MAX_SUBMODELS; i++)
785 cfile_read_vector(&(pm->submodel_pnts[i]), fp);
786 for (i = 0; i < MAX_SUBMODELS; i++)
787 pm->submodel_rads[i] = cfile_read_fix(fp);
788 cfread(pm->submodel_parents, MAX_SUBMODELS, 1, fp);
789 for (i = 0; i < MAX_SUBMODELS; i++)
790 cfile_read_vector(&(pm->submodel_mins[i]), fp);
791 for (i = 0; i < MAX_SUBMODELS; i++)
792 cfile_read_vector(&(pm->submodel_maxs[i]), fp);
793 cfile_read_vector(&(pm->mins), fp);
794 cfile_read_vector(&(pm->maxs), fp);
795 pm->rad = cfile_read_fix(fp);
796 pm->n_textures = cfile_read_byte(fp);
797 pm->first_texture = cfile_read_short(fp);
798 pm->simpler_model = cfile_read_byte(fp);
802 * reads n polymodel structs from a CFILE
804 extern int polymodel_read_n(polymodel *pm, int n, CFILE *fp)
808 for (i = 0; i < n; i++) {
809 pm[i].n_models = cfile_read_int(fp);
810 pm[i].model_data_size = cfile_read_int(fp);
811 pm[i].model_data = (ubyte *) cfile_read_int(fp);
812 for (j = 0; j < MAX_SUBMODELS; j++)
813 pm[i].submodel_ptrs[j] = cfile_read_int(fp);
814 for (j = 0; j < MAX_SUBMODELS; j++)
815 cfile_read_vector(&(pm[i].submodel_offsets[j]), fp);
816 for (j = 0; j < MAX_SUBMODELS; j++)
817 cfile_read_vector(&(pm[i].submodel_norms[j]), fp);
818 for (j = 0; j < MAX_SUBMODELS; j++)
819 cfile_read_vector(&(pm[i].submodel_pnts[j]), fp);
820 for (j = 0; j < MAX_SUBMODELS; j++)
821 pm[i].submodel_rads[j] = cfile_read_fix(fp);
822 cfread(pm[i].submodel_parents, MAX_SUBMODELS, 1, fp);
823 for (j = 0; j < MAX_SUBMODELS; j++)
824 cfile_read_vector(&(pm[i].submodel_mins[j]), fp);
825 for (j = 0; j < MAX_SUBMODELS; j++)
826 cfile_read_vector(&(pm[i].submodel_maxs[j]), fp);
827 cfile_read_vector(&(pm[i].mins), fp);
828 cfile_read_vector(&(pm[i].maxs), fp);
829 pm[i].rad = cfile_read_fix(fp);
830 pm[i].n_textures = cfile_read_byte(fp);
831 pm[i].first_texture = cfile_read_short(fp);
832 pm[i].simpler_model = cfile_read_byte(fp);