source/blender/blenloader/intern/readfile.c

   1 /*
   2  * $Id$
   3  *
   4  * ***** BEGIN GPL LICENSE BLOCK *****
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * as published by the Free Software Foundation; either version 2
   9  * of the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software Foundation,
  18  * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  19  *
  20  * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
  21  * All rights reserved.
  22  *
  23  * The Original Code is: all of this file.
  24  *
  25  * Contributor(s): none yet.
  26  *
  27  * ***** END GPL LICENSE BLOCK *****
  28  *
  29  */
  30
  31 #ifdef HAVE_CONFIG_H
  32 #include <config.h>
  33 #endif
  34
  35 #include "zlib.h"
  36
  37 #ifdef WIN32
  38 #include "winsock2.h"
  39 #include "BLI_winstuff.h"
  40 #endif
  41
  42 #include <stdio.h> // for printf fopen fwrite fclose sprintf FILE
  43 #include <stdlib.h> // for getenv atoi
  44 #include <fcntl.h> // for open
  45 #include <string.h> // for strrchr strncmp strstr
  46 #include <math.h> // for fabs
  47
  48 #ifndef WIN32
  49     #include <unistd.h> // for read close
  50     #include <sys/param.h> // for MAXPATHLEN
  51 #else
  52     #include <io.h> // for open close read
  53 #endif
  54
  55 #include "nla.h"
  56
  57 #include "DNA_action_types.h"
  58 #include "DNA_armature_types.h"
  59 #include "DNA_ID.h"
  60 #include "DNA_actuator_types.h"
  61 #include "DNA_brush_types.h"
  62 #include "DNA_camera_types.h"
  63 #include "DNA_cloth_types.h"
  64 #include "DNA_color_types.h"
  65 #include "DNA_controller_types.h"
  66 #include "DNA_constraint_types.h"
  67 #include "DNA_curve_types.h"
  68 #include "DNA_customdata_types.h"
  69 #include "DNA_effect_types.h"
  70 #include "DNA_fileglobal_types.h"
  71 #include "DNA_group_types.h"
  72 #include "DNA_ipo_types.h"
  73 #include "DNA_image_types.h"
  74 #include "DNA_key_types.h"
  75 #include "DNA_lattice_types.h"
  76 #include "DNA_lamp_types.h"
  77 #include "DNA_meta_types.h"
  78 #include "DNA_material_types.h"
  79 #include "DNA_mesh_types.h"
  80 #include "DNA_meshdata_types.h"
  81 #include "DNA_modifier_types.h"
  82 #include "DNA_nla_types.h"
  83 #include "DNA_node_types.h"
  84 #include "DNA_object_types.h"
  85 #include "DNA_object_force.h"
  86 #include "DNA_object_fluidsim.h" // NT
  87 #include "DNA_oops_types.h"
  88 #include "DNA_object_force.h"
  89 #include "DNA_packedFile_types.h"
  90 #include "DNA_property_types.h"
  91 #include "DNA_text_types.h"
  92 #include "DNA_view3d_types.h"
  93 #include "DNA_screen_types.h"
  94 #include "DNA_sensor_types.h"
  95 #include "DNA_sdna_types.h"
  96 #include "DNA_scene_types.h"
  97 #include "DNA_sequence_types.h"
  98 #include "DNA_sound_types.h"
  99 #include "DNA_space_types.h"
 100 #include "DNA_texture_types.h"
 101 #include "DNA_userdef_types.h"
 102 #include "DNA_vfont_types.h"
 103 #include "DNA_world_types.h"
 104
 105 #include "MEM_guardedalloc.h"
 106 #include "BLI_blenlib.h"
 107 #include "BLI_arithb.h"
 108 #include "BLI_storage_types.h" // for relname flags
 109
 110 #include "BDR_sculptmode.h"
 111
 112 #include "BKE_bad_level_calls.h" // for reopen_text build_seqar (from WHILE_SEQ) set_rects_butspace check_imasel_copy
 113
 114 #include "BKE_action.h"
 115 #include "BKE_armature.h"
 116 #include "BKE_cloth.h"
 117 #include "BKE_colortools.h"
 118 #include "BKE_constraint.h"
 119 #include "BKE_curve.h"
 120 #include "BKE_customdata.h"
 121 #include "BKE_deform.h"
 122 #include "BKE_depsgraph.h"
 123 #include "BKE_effect.h" // for give_parteff
 124 #include "BKE_global.h" // for G
 125 #include "BKE_group.h"
 126 #include "BKE_image.h"
 127 #include "BKE_lattice.h"
 128 #include "BKE_library.h" // for wich_libbase
 129 #include "BKE_main.h" // for Main
 130 #include "BKE_mesh.h" // for ME_ defines (patching)
 131 #include "BKE_modifier.h"
 132 #include "BKE_node.h" // for tree type defines
 133 #include "BKE_object.h"
 134 #include "BKE_property.h" // for get_property
 135 #include "BKE_sca.h" // for init_actuator
 136 #include "BKE_scene.h"
 137 #include "BKE_softbody.h"       // sbNew()
 138 #include "BKE_texture.h" // for open_plugin_tex
 139 #include "BKE_utildefines.h" // SWITCH_INT DATA ENDB DNA1 O_BINARY GLOB USER TEST REND
 140 #include "BKE_idprop.h"
 141
 142 #include "BIF_butspace.h" // badlevel, for do_versions, patching event codes
 143 #include "BIF_filelist.h" // badlevel too, where to move this? - elubie
 144 #include "BIF_previewrender.h" // bedlelvel, for struct RenderInfo
 145 #include "BLO_readfile.h"
 146 #include "BLO_undofile.h"
 147 #include "BLO_readblenfile.h" // streaming read pipe, for BLO_readblenfile BLO_readblenfilememory
 148
 149 #include "multires.h"
 150
 151 #include "readfile.h"
 152
 153 #include "genfile.h"
 154
 155 #include "mydevice.h"
 156 #include "blendef.h"
 157
 158 #include <errno.h>
 159
 160 /*
 161  Remark: still a weak point is the newadress() function, that doesnt solve reading from
 162  multiple files at the same time
 163
 164  (added remark: oh, i thought that was solved? will look at that... (ton)
 165
 166 READ
 167 - Existing Library (Main) push or free
 168 - allocate new Main
 169 - load file
 170 - read SDNA
 171 - for each LibBlock
 172         - read LibBlock
 173         - if a Library
 174                 - make a new Main
 175                 - attach ID's to it
 176         - else
 177                 - read associated 'direct data'
 178                 - link direct data (internal and to LibBlock)
 179 - read FileGlobal
 180 - read USER data, only when indicated (file is ~/.B.blend)
 181 - free file
 182 - per Library (per Main)
 183         - read file
 184         - read SDNA
 185         - find LibBlocks and attach IDs to Main
 186                 - if external LibBlock
 187                         - search all Main's
 188                                 - or it's already read,
 189                                 - or not read yet
 190                                 - or make new Main
 191         - per LibBlock
 192                 - read recursive
 193                 - read associated direct data
 194                 - link direct data (internal and to LibBlock)
 195         - free file
 196 - per Library with unread LibBlocks
 197         - read file
 198         - read SDNA
 199         - per LibBlock
 200                - read recursive
 201                - read associated direct data
 202                - link direct data (internal and to LibBlock)
 203         - free file
 204 - join all Mains
 205 - link all LibBlocks and indirect pointers to libblocks
 206 - initialize FileGlobal and copy pointers to Global
 207 */
 208
 209 /* also occurs in library.c */
 210 /* GS reads the memory pointed at in a specific ordering. There are,
 211  * however two definitions for it. I have jotted them down here, both,
 212  * but I think the first one is actually used. The thing is that
 213  * big-endian systems might read this the wrong way round. OTOH, we
 214  * constructed the IDs that are read out with this macro explicitly as
 215  * well. I expect we'll sort it out soon... */
 216
 217 /* from blendef: */
 218 #define GS(a)   (*((short *)(a)))
 219
 220 /* from misc_util: flip the bytes from x  */
 221 /*  #define GS(x) (((unsigned char *)(x))[0] << 8 | ((unsigned char *)(x))[1]) */
 222
 223 // only used here in readfile.c
 224 #define SWITCH_LONGINT(a) { \
 225     char s_i, *p_i; \
 226     p_i= (char *)&(a);  \
 227     s_i=p_i[0]; p_i[0]=p_i[7]; p_i[7]=s_i; \
 228     s_i=p_i[1]; p_i[1]=p_i[6]; p_i[6]=s_i; \
 229     s_i=p_i[2]; p_i[2]=p_i[5]; p_i[5]=s_i; \
 230     s_i=p_i[3]; p_i[3]=p_i[4]; p_i[4]=s_i; }
 231
 232 /***/
 233
 234 typedef struct OldNew {
 235         void *old, *newp;
 236         int nr;
 237 } OldNew;
 238
 239 typedef struct OldNewMap {
 240         OldNew *entries;
 241         int nentries, entriessize;
 242         int sorted;
 243         int lasthit;
 244 } OldNewMap;
 245
 246
 247 /* local prototypes */
 248 static void *read_struct(FileData *fd, BHead *bh, char *blockname);
 249
 250
 251 static OldNewMap *oldnewmap_new(void)
 252 {
 253         OldNewMap *onm= MEM_callocN(sizeof(*onm), "OldNewMap");
 254
 255         onm->entriessize= 1024;
 256         onm->entries= MEM_mallocN(sizeof(*onm->entries)*onm->entriessize, "OldNewMap.entries");
 257
 258         return onm;
 259 }
 260
 261 static int verg_oldnewmap(const void *v1, const void *v2)
 262 {
 263         const struct OldNew *x1=v1, *x2=v2;
 264
 265         if( x1->old > x2->old) return 1;
 266         else if( x1->old < x2->old) return -1;
 267         return 0;
 268 }
 269
 270
 271 static void oldnewmap_sort(FileData *fd)
 272 {
 273         qsort(fd->libmap->entries, fd->libmap->nentries, sizeof(OldNew), verg_oldnewmap);
 274         fd->libmap->sorted= 1;
 275 }
 276
 277 /* nr is zero for data, and ID code for libdata */
 278 static void oldnewmap_insert(OldNewMap *onm, void *oldaddr, void *newaddr, int nr)
 279 {
 280         OldNew *entry;
 281
 282         if(oldaddr==NULL || newaddr==NULL) return;
 283
 284         if (onm->nentries==onm->entriessize) {
 285                 int osize= onm->entriessize;
 286                 OldNew *oentries= onm->entries;
 287
 288                 onm->entriessize*= 2;
 289                 onm->entries= MEM_mallocN(sizeof(*onm->entries)*onm->entriessize, "OldNewMap.entries");
 290
 291                 memcpy(onm->entries, oentries, sizeof(*oentries)*osize);
 292                 MEM_freeN(oentries);
 293         }
 294
 295         entry= &onm->entries[onm->nentries++];
 296         entry->old= oldaddr;
 297         entry->newp= newaddr;
 298         entry->nr= nr;
 299 }
 300
 301 static void *oldnewmap_lookup_and_inc(OldNewMap *onm, void *addr)
 302 {
 303         int i;
 304
 305         if (onm->lasthit<onm->nentries-1) {
 306                 OldNew *entry= &onm->entries[++onm->lasthit];
 307
 308                 if (entry->old==addr) {
 309                         entry->nr++;
 310                         return entry->newp;
 311                 }
 312         }
 313
 314         for (i=0; i<onm->nentries; i++) {
 315                 OldNew *entry= &onm->entries[i];
 316
 317                 if (entry->old==addr) {
 318                         onm->lasthit= i;
 319
 320                         entry->nr++;
 321                         return entry->newp;
 322                 }
 323         }
 324
 325         return NULL;
 326 }
 327
 328 /* for libdata, nr has ID code, no increment */
 329 static void *oldnewmap_liblookup(OldNewMap *onm, void *addr, void *lib)
 330 {
 331         int i;
 332
 333         if(addr==NULL) return NULL;
 334
 335         /* lasthit works fine for non-libdata, linking there is done in same sequence as writing */
 336         if(onm->sorted) {
 337                 OldNew entry_s, *entry;
 338
 339                 entry_s.old= addr;
 340
 341                 entry= bsearch(&entry_s, onm->entries, onm->nentries, sizeof(OldNew), verg_oldnewmap);
 342                 if(entry) {
 343                         ID *id= entry->newp;
 344
 345                         if (id && (!lib || id->lib)) {
 346                                 return entry->newp;
 347                         }
 348                 }
 349         }
 350
 351         for (i=0; i<onm->nentries; i++) {
 352                 OldNew *entry= &onm->entries[i];
 353
 354                 if (entry->old==addr) {
 355                         ID *id= entry->newp;
 356
 357                         if (id && (!lib || id->lib)) {
 358                                 return entry->newp;
 359                         }
 360                 }
 361         }
 362
 363         return NULL;
 364 }
 365
 366 static void oldnewmap_free_unused(OldNewMap *onm)
 367 {
 368         int i;
 369
 370         for (i=0; i<onm->nentries; i++) {
 371                 OldNew *entry= &onm->entries[i];
 372                 if (entry->nr==0) {
 373                         MEM_freeN(entry->newp);
 374                         entry->newp= NULL;
 375                 }
 376         }
 377 }
 378
 379 static void oldnewmap_clear(OldNewMap *onm)
 380 {
 381         onm->nentries= 0;
 382         onm->lasthit= 0;
 383 }
 384
 385 static void oldnewmap_free(OldNewMap *onm)
 386 {
 387         MEM_freeN(onm->entries);
 388         MEM_freeN(onm);
 389 }
 390
 391 /***/
 392
 393 static void read_libraries(FileData *basefd, ListBase *mainlist);
 394
 395 /* ************ help functions ***************** */
 396
 397 static void add_main_to_main(Main *mainvar, Main *from)
 398 {
 399         ListBase *lbarray[MAX_LIBARRAY], *fromarray[MAX_LIBARRAY];
 400         int a;
 401
 402         a= set_listbasepointers(mainvar, lbarray);
 403         a= set_listbasepointers(from, fromarray);
 404         while(a--) {
 405                 addlisttolist(lbarray[a], fromarray[a]);
 406         }
 407 }
 408
 409 void blo_join_main(ListBase *mainlist)
 410 {
 411         Main *tojoin, *mainl;
 412
 413
 414         mainl= mainlist->first;
 415         while ((tojoin= mainl->next)) {
 416                 add_main_to_main(mainl, tojoin);
 417                 BLI_remlink(mainlist, tojoin);
 418                 MEM_freeN(tojoin);
 419         }
 420 }
 421
 422 static void split_libdata(ListBase *lb, Main *first)
 423 {
 424         ListBase *lbn;
 425         ID *id, *idnext;
 426         Main *mainvar;
 427
 428         id= lb->first;
 429         while(id) {
 430                 idnext= id->next;
 431                 if(id->lib) {
 432                         mainvar= first;
 433                         while(mainvar) {
 434                                 if(mainvar->curlib==id->lib) {
 435                                         lbn= wich_libbase(mainvar, GS(id->name));
 436                                         BLI_remlink(lb, id);
 437                                         BLI_addtail(lbn, id);
 438                                         break;
 439                                 }
 440                                 mainvar= mainvar->next;
 441                         }
 442                         if(mainvar==0) printf("error split_libdata\n");
 443                 }
 444                 id= idnext;
 445         }
 446 }
 447
 448 void blo_split_main(ListBase *mainlist, Main *main)
 449 {
 450         ListBase *lbarray[MAX_LIBARRAY];
 451         Library *lib;
 452         int i;
 453
 454         mainlist->first= mainlist->last= main;
 455         main->next= NULL;
 456
 457         if(main->library.first==NULL)
 458                 return;
 459
 460         for (lib= main->library.first; lib; lib= lib->id.next) {
 461                 Main *libmain= MEM_callocN(sizeof(Main), "libmain");
 462                 libmain->curlib= lib;
 463                 BLI_addtail(mainlist, libmain);
 464         }
 465
 466         i= set_listbasepointers(main, lbarray);
 467         while(i--)
 468                 split_libdata(lbarray[i], main->next);
 469 }
 470
 471 /* removes things like /blah/blah/../../blah/ etc, then writes in *name the full path */
 472 static void cleanup_path(const char *relabase, char *name)
 473 {
 474         char filename[FILE_MAXFILE];
 475
 476         BLI_splitdirstring(name, filename);
 477         BLI_cleanup_dir(relabase, name);
 478         strcat(name, filename);
 479 }
 480
 481 static Main *blo_find_main(ListBase *mainlist, const char *name, const char *relabase)
 482 {
 483         Main *m;
 484         Library *lib;
 485         char name1[FILE_MAXDIR+FILE_MAXFILE];
 486
 487         strncpy(name1, name, sizeof(name1)-1);
 488         cleanup_path(relabase, name1);
 489 //      printf("blo_find_main: original in  %s\n", name);
 490 //      printf("blo_find_main: converted to %s\n", name1);
 491
 492         for (m= mainlist->first; m; m= m->next) {
 493                 char *libname= (m->curlib)?m->curlib->filename:m->name;
 494
 495                 if (BLI_streq(name1, libname)) {
 496                         if(G.f & G_DEBUG) printf("blo_find_main: found library %s\n", libname);
 497                         return m;
 498                 }
 499         }
 500
 501         m= MEM_callocN(sizeof(Main), "find_main");
 502         BLI_addtail(mainlist, m);
 503
 504         lib= alloc_libblock(&m->library, ID_LI, "lib");
 505         strncpy(lib->name, name, sizeof(lib->name)-1);
 506         BLI_strncpy(lib->filename, name1, sizeof(lib->filename));
 507
 508         m->curlib= lib;
 509
 510         if(G.f & G_DEBUG) printf("blo_find_main: added new lib %s\n", name);
 511         return m;
 512 }
 513
 514
 515 /* ************ FILE PARSING ****************** */
 516
 517 static void switch_endian_bh4(BHead4 *bhead)
 518 {
 519         /* the ID_.. codes */
 520         if((bhead->code & 0xFFFF)==0) bhead->code >>=16;
 521
 522         if (bhead->code != ENDB) {
 523                 SWITCH_INT(bhead->len);
 524                 SWITCH_INT(bhead->SDNAnr);
 525                 SWITCH_INT(bhead->nr);
 526         }
 527 }
 528
 529 static void switch_endian_bh8(BHead8 *bhead)
 530 {
 531         /* the ID_.. codes */
 532         if((bhead->code & 0xFFFF)==0) bhead->code >>=16;
 533
 534         if (bhead->code != ENDB) {
 535                 SWITCH_INT(bhead->len);
 536                 SWITCH_INT(bhead->SDNAnr);
 537                 SWITCH_INT(bhead->nr);
 538         }
 539 }
 540
 541 static void bh4_from_bh8(BHead *bhead, BHead8 *bhead8, int do_endian_swap)
 542 {
 543         BHead4 *bhead4 = (BHead4 *) bhead;
 544 #if defined(WIN32) && !defined(FREE_WINDOWS)
 545         __int64 old;
 546 #else
 547         long long old;
 548 #endif
 549
 550         bhead4->code= bhead8->code;
 551         bhead4->len= bhead8->len;
 552
 553         if (bhead4->code != ENDB) {
 554
 555                 // why is this here ??
 556                 if (do_endian_swap) {
 557                         SWITCH_LONGINT(bhead8->old);
 558                 }
 559
 560                 /* this patch is to avoid a long long being read from not-eight aligned positions
 561                    is necessary on any modern 64bit architecture) */
 562                 memcpy(&old, &bhead8->old, 8);
 563                 bhead4->old = (int) (old >> 3);
 564
 565                 bhead4->SDNAnr= bhead8->SDNAnr;
 566                 bhead4->nr= bhead8->nr;
 567         }
 568 }
 569
 570 static void bh8_from_bh4(BHead *bhead, BHead4 *bhead4)
 571 {
 572         BHead8 *bhead8 = (BHead8 *) bhead;
 573
 574         bhead8->code= bhead4->code;
 575         bhead8->len= bhead4->len;
 576
 577         if (bhead8->code != ENDB) {
 578                 bhead8->old= bhead4->old;
 579                 bhead8->SDNAnr= bhead4->SDNAnr;
 580                 bhead8->nr= bhead4->nr;
 581         }
 582 }
 583
 584 static BHeadN *get_bhead(FileData *fd)
 585 {
 586         BHead8 bhead8;
 587         BHead4 bhead4;
 588         BHead  bhead;
 589         BHeadN *new_bhead = 0;
 590         int readsize;
 591
 592         if (fd) {
 593                 if ( ! fd->eof) {
 594
 595                         // First read the bhead structure.
 596                         // Depending on the platform the file was written on this can
 597                         // be a big or little endian BHead4 or BHead8 structure.
 598
 599                         // As usual 'ENDB' (the last *partial* bhead of the file)
 600                         // needs some special handling. We don't want to EOF just yet.
 601
 602                         if (fd->flags & FD_FLAGS_FILE_POINTSIZE_IS_4) {
 603                                 bhead4.code = DATA;
 604                                 readsize = fd->read(fd, &bhead4, sizeof(bhead4));
 605
 606                                 if (readsize == sizeof(bhead4) || bhead4.code == ENDB) {
 607                                         if (fd->flags & FD_FLAGS_SWITCH_ENDIAN) {
 608                                                 switch_endian_bh4(&bhead4);
 609                                         }
 610
 611                                         if (fd->flags & FD_FLAGS_POINTSIZE_DIFFERS) {
 612                                                 bh8_from_bh4(&bhead, &bhead4);
 613                                         } else {
 614                                                 memcpy(&bhead, &bhead4, sizeof(bhead));
 615                                         }
 616                                 } else {
 617                                         fd->eof = 1;
 618                                         bhead.len= 0;
 619                                 }
 620                         } else {
 621                                 bhead8.code = DATA;
 622                                 readsize = fd->read(fd, &bhead8, sizeof(bhead8));
 623
 624                                 if (readsize == sizeof(bhead8) || bhead8.code == ENDB) {
 625                                         if (fd->flags & FD_FLAGS_SWITCH_ENDIAN) {
 626                                                 switch_endian_bh8(&bhead8);
 627                                         }
 628
 629                                         if (fd->flags & FD_FLAGS_POINTSIZE_DIFFERS) {
 630                                                 bh4_from_bh8(&bhead, &bhead8, (fd->flags & FD_FLAGS_SWITCH_ENDIAN));
 631                                         } else {
 632                                                 memcpy(&bhead, &bhead8, sizeof(bhead));
 633                                         }
 634                                 } else {
 635                                         fd->eof = 1;
 636                                         bhead.len= 0;
 637                                 }
 638                         }
 639
 640                         /* make sure people are not trying to pass bad blend files */
 641                         if (bhead.len < 0) fd->eof = 1;
 642
 643                         // bhead now contains the (converted) bhead structure. Now read
 644                         // the associated data and put everything in a BHeadN (creative naming !)
 645
 646                         if ( ! fd->eof) {
 647                                 new_bhead = MEM_mallocN(sizeof(BHeadN) + bhead.len, "new_bhead");
 648                                 if (new_bhead) {
 649                                         new_bhead->next = new_bhead->prev = 0;
 650                                         new_bhead->bhead = bhead;
 651
 652                                         readsize = fd->read(fd, new_bhead + 1, bhead.len);
 653
 654                                         if (readsize != bhead.len) {
 655                                                 fd->eof = 1;
 656                                                 MEM_freeN(new_bhead);
 657                                                 new_bhead = 0;
 658                                         }
 659                                 } else {
 660                                         fd->eof = 1;
 661                                 }
 662                         }
 663                 }
 664         }
 665
 666         // We've read a new block. Now add it to the list
 667         // of blocks.
 668
 669         if (new_bhead) {
 670                 BLI_addtail(&fd->listbase, new_bhead);
 671         }
 672
 673         return(new_bhead);
 674 }
 675
 676 BHead *blo_firstbhead(FileData *fd)
 677 {
 678         BHeadN *new_bhead;
 679         BHead *bhead = 0;
 680
 681         // Rewind the file
 682         // Read in a new block if necessary
 683
 684         new_bhead = fd->listbase.first;
 685         if (new_bhead == 0) {
 686                 new_bhead = get_bhead(fd);
 687         }
 688
 689         if (new_bhead) {
 690                 bhead = &new_bhead->bhead;
 691         }
 692
 693         return(bhead);
 694 }
 695
 696 BHead *blo_prevbhead(FileData *fd, BHead *thisblock)
 697 {
 698         BHeadN *bheadn= (BHeadN *) (((char *) thisblock) - (int) (&((BHeadN*)0)->bhead));
 699         BHeadN *prev= bheadn->prev;
 700
 701         return prev?&prev->bhead:NULL;
 702 }
 703
 704 BHead *blo_nextbhead(FileData *fd, BHead *thisblock)
 705 {
 706         BHeadN *new_bhead = 0;
 707         BHead *bhead = 0;
 708
 709         if (thisblock) {
 710                 // bhead is actually a sub part of BHeadN
 711                 // We calculate the BHeadN pointer from the BHead pointer below
 712                 new_bhead = (BHeadN *) (((char *) thisblock) - (int) (&((BHeadN*)0)->bhead));
 713
 714                 // get the next BHeadN. If it doesn't exist we read in the next one
 715                 new_bhead = new_bhead->next;
 716                 if (new_bhead == 0) {
 717                         new_bhead = get_bhead(fd);
 718                 }
 719         }
 720
 721         if (new_bhead) {
 722                 // here we do the reverse:
 723                 // go from the BHeadN pointer to the BHead pointer
 724                 bhead = &new_bhead->bhead;
 725         }
 726
 727         return(bhead);
 728 }
 729
 730 #if 0
 731 static void get_blender_subversion(FileData *fd)
 732 {
 733         BHead *bhead;
 734
 735         for (bhead= blo_firstbhead(fd); bhead; bhead= blo_nextbhead(fd, bhead)) {
 736                 if (bhead->code==GLOB) {
 737                         FileGlobal *fg= read_struct(fd, bhead, "Global");
 738                         fd->filesubversion= fg->subversion;
 739                         fd->fileminversion= fg->minversion;
 740                         fd->fileminsubversion= fg->minsubversion;
 741                         MEM_freeN(fg);
 742                         return;
 743                 }
 744                 else if (bhead->code==ENDB)
 745                         break;
 746         }
 747 }
 748 #endif
 749
 750 static void decode_blender_header(FileData *fd)
 751 {
 752         char header[SIZEOFBLENDERHEADER], num[4];
 753         int readsize;
 754
 755         // read in the header data
 756         readsize = fd->read(fd, header, sizeof(header));
 757
 758         if (readsize == sizeof(header)) {
 759                 if(strncmp(header, "BLENDER", 7) == 0) {
 760                         int remove_this_endian_test= 1;
 761
 762                         fd->flags |= FD_FLAGS_FILE_OK;
 763
 764                         // what size are pointers in the file ?
 765                         if(header[7]=='_') {
 766                                 fd->flags |= FD_FLAGS_FILE_POINTSIZE_IS_4;
 767                                 if (sizeof(void *) != 4) {
 768                                         fd->flags |= FD_FLAGS_POINTSIZE_DIFFERS;
 769                                 }
 770                         } else {
 771                                 if (sizeof(void *) != 8) {
 772                                         fd->flags |= FD_FLAGS_POINTSIZE_DIFFERS;
 773                                 }
 774                         }
 775
 776                         // is the file saved in a different endian
 777                         // than we need ?
 778                         if (((((char*)&remove_this_endian_test)[0]==1)?L_ENDIAN:B_ENDIAN) != ((header[8]=='v')?L_ENDIAN:B_ENDIAN)) {
 779                                 fd->flags |= FD_FLAGS_SWITCH_ENDIAN;
 780                         }
 781
 782                         // get the version number
 783
 784                         memcpy(num, header+9, 3);
 785                         num[3] = 0;
 786                         fd->fileversion = atoi(num);
 787                 }
 788         }
 789 }
 790
 791 static int read_file_dna(FileData *fd)
 792 {
 793         BHead *bhead;
 794
 795         for (bhead= blo_firstbhead(fd); bhead; bhead= blo_nextbhead(fd, bhead)) {
 796                 if (bhead->code==DNA1) {
 797                         int do_endian_swap= (fd->flags&FD_FLAGS_SWITCH_ENDIAN)?1:0;
 798
 799                         fd->filesdna= dna_sdna_from_data(&bhead[1], bhead->len, do_endian_swap);
 800                         if (fd->filesdna) {
 801
 802                                 fd->compflags= dna_get_structDNA_compareflags(fd->filesdna, fd->memsdna);
 803                                 /* used to retrieve ID names from (bhead+1) */
 804                                 fd->id_name_offs= dna_elem_offset(fd->filesdna, "ID", "char", "name[]");
 805                         }
 806
 807                         return 1;
 808                 } else if (bhead->code==ENDB)
 809                         break;
 810         }
 811
 812         return 0;
 813 }
 814
 815 static int fd_read_from_file(FileData *filedata, void *buffer, int size)
 816 {
 817         int readsize = read(filedata->filedes, buffer, size);
 818
 819         if (readsize < 0) {
 820                 readsize = EOF;
 821         } else {
 822                 filedata->seek += readsize;
 823         }
 824
 825         return (readsize);
 826 }
 827
 828 static int fd_read_gzip_from_file(FileData *filedata, void *buffer, int size)
 829 {
 830         int readsize = gzread(filedata->gzfiledes, buffer, size);
 831
 832         if (readsize < 0) {
 833                 readsize = EOF;
 834         } else {
 835                 filedata->seek += readsize;
 836         }
 837
 838         return (readsize);
 839 }
 840
 841 static int fd_read_from_memory(FileData *filedata, void *buffer, int size)
 842 {
 843                 // don't read more bytes then there are available in the buffer
 844         int readsize = MIN2(size, filedata->buffersize - filedata->seek);
 845
 846         memcpy(buffer, filedata->buffer + filedata->seek, readsize);
 847         filedata->seek += readsize;
 848
 849         return (readsize);
 850 }
 851
 852 static int fd_read_from_memfile(FileData *filedata, void *buffer, int size)
 853 {
 854         static unsigned int seek= 1<<30;        /* the current position */
 855         static unsigned int offset= 0;          /* size of previous chunks */
 856         static MemFileChunk *chunk=NULL;
 857
 858         if(size==0) return 0;
 859
 860         if(seek != (unsigned int)filedata->seek) {
 861                 chunk= filedata->memfile->chunks.first;
 862                 seek= 0;
 863
 864                 while(chunk) {
 865                         if(seek + chunk->size > (unsigned) filedata->seek) break;
 866                         seek+= chunk->size;
 867                         chunk= chunk->next;
 868                 }
 869                 offset= seek;
 870                 seek= filedata->seek;
 871         }
 872
 873         if(chunk) {
 874                 /* first check if it's on the end if current chunk */
 875                 if( seek-offset == chunk->size) {
 876                         offset+= chunk->size;
 877                         chunk= chunk->next;
 878                 }
 879
 880                 /* debug, should never happen */
 881                 if(chunk==NULL) {
 882                         printf("illegal read, chunk zero\n");
 883                         return 0;
 884                 }
 885                 else if( (seek-offset)+size > chunk->size) {
 886                         size= chunk->size - (seek-offset);
 887                         printf("chunk too large, clipped to %d\n", size);
 888                 }
 889
 890                 memcpy(buffer, chunk->buf + (seek-offset), size);
 891                 filedata->seek += size;
 892                 seek+= size;
 893
 894                 return (size);
 895
 896         }
 897         return 0;
 898 }
 899
 900 static FileData *filedata_new(void)
 901 {
 902         extern unsigned char DNAstr[];  /* DNA.c */
 903         extern int DNAlen;
 904         FileData *fd = MEM_callocN(sizeof(FileData), "FileData");
 905
 906         fd->filedes = -1;
 907         fd->gzfiledes = NULL;
 908
 909                 /* XXX, this doesn't need to be done all the time,
 910                  * but it keeps us reentrant,  remove once we have
 911                  * a lib that provides a nice lock. - zr
 912                  */
 913         fd->memsdna = dna_sdna_from_data(DNAstr,  DNAlen,  0);
 914
 915         fd->datamap = oldnewmap_new();
 916         fd->globmap = oldnewmap_new();
 917         fd->libmap = oldnewmap_new();
 918
 919         return fd;
 920 }
 921
 922 static FileData *blo_decode_and_check(FileData *fd, BlendReadError *error_r)
 923 {
 924         decode_blender_header(fd);
 925
 926         if (fd->flags & FD_FLAGS_FILE_OK) {
 927                 if (!read_file_dna(fd)) {
 928                         *error_r = BRE_INCOMPLETE;
 929                         blo_freefiledata(fd);
 930                         fd= NULL;
 931                 }
 932         }
 933         else {
 934                 *error_r = BRE_NOT_A_BLEND;
 935                 blo_freefiledata(fd);
 936                 fd= NULL;
 937         }
 938
 939         return fd;
 940 }
 941
 942 /* cannot be called with relative paths anymore! */
 943 /* on each new library added, it now checks for the current FileData and expands relativeness */
 944 FileData *blo_openblenderfile(char *name, BlendReadError *error_r)
 945 {
 946         gzFile gzfile;
 947
 948         gzfile= gzopen(name, "rb");
 949
 950         if (NULL == gzfile) {
 951                 *error_r = BRE_UNABLE_TO_OPEN;
 952                 return NULL;
 953         } else {
 954                 FileData *fd = filedata_new();
 955                 fd->gzfiledes = gzfile;
 956                 BLI_strncpy(fd->filename, name, sizeof(fd->filename));  // now only in use by library append
 957                 fd->read = fd_read_gzip_from_file;
 958
 959                 return blo_decode_and_check(fd, error_r);
 960         }
 961 }
 962
 963 FileData *blo_openblendermemory(void *mem, int memsize, BlendReadError *error_r)
 964 {
 965         if (!mem || memsize<SIZEOFBLENDERHEADER) {
 966                 *error_r = mem?BRE_UNABLE_TO_READ:BRE_UNABLE_TO_OPEN;
 967                 return NULL;
 968         } else {
 969                 FileData *fd= filedata_new();
 970                 fd->buffer= mem;
 971                 fd->buffersize= memsize;
 972                 fd->read= fd_read_from_memory;
 973                 fd->flags|= FD_FLAGS_NOT_MY_BUFFER;
 974
 975                 return blo_decode_and_check(fd, error_r);
 976         }
 977 }
 978
 979 FileData *blo_openblendermemfile(MemFile *memfile, BlendReadError *error_r)
 980 {
 981         if (!memfile) {
 982                 *error_r = BRE_UNABLE_TO_OPEN;
 983                 return NULL;
 984         } else {
 985                 FileData *fd= filedata_new();
 986                 fd->memfile= memfile;
 987
 988                 fd->read= fd_read_from_memfile;
 989                 fd->flags|= FD_FLAGS_NOT_MY_BUFFER;
 990
 991                 return blo_decode_and_check(fd, error_r);
 992         }
 993 }
 994
 995
 996 void blo_freefiledata(FileData *fd)
 997 {
 998         if (fd) {
 999
1000                 if (fd->filedes != -1) {
1001                         close(fd->filedes);
1002                 }
1003
1004                 if (fd->gzfiledes != NULL)
1005                 {
1006                         gzclose(fd->gzfiledes);
1007                 }
1008
1009                 if (fd->buffer && !(fd->flags & FD_FLAGS_NOT_MY_BUFFER)) {
1010                         MEM_freeN(fd->buffer);
1011                         fd->buffer = 0;
1012                 }
1013
1014                 // Free all BHeadN data blocks
1015                 BLI_freelistN(&fd->listbase);
1016
1017                 if (fd->memsdna)
1018                         dna_freestructDNA(fd->memsdna);
1019                 if (fd->filesdna)
1020                         dna_freestructDNA(fd->filesdna);
1021                 if (fd->compflags)
1022                         MEM_freeN(fd->compflags);
1023
1024                 if (fd->datamap)
1025                         oldnewmap_free(fd->datamap);
1026                 if (fd->globmap)
1027                         oldnewmap_free(fd->globmap);
1028                 if (fd->imamap)
1029                         oldnewmap_free(fd->imamap);
1030                 if (fd->libmap && !(fd->flags & FD_FLAGS_NOT_MY_LIBMAP))
1031                         oldnewmap_free(fd->libmap);
1032
1033                 MEM_freeN(fd);
1034         }
1035 }
1036
1037 /* ************ DIV ****************** */
1038
1039 int BLO_has_bfile_extension(char *str)
1040 {
1041         return (BLI_testextensie(str, ".ble") || BLI_testextensie(str, ".blend")||BLI_testextensie(str, ".blend.gz"));
1042 }
1043
1044 /* ************** OLD POINTERS ******************* */
1045
1046 static void *newdataadr(FileData *fd, void *adr)                /* only direct databocks */
1047 {
1048         return oldnewmap_lookup_and_inc(fd->datamap, adr);
1049 }
1050
1051 static void *newglobadr(FileData *fd, void *adr)                /* direct datablocks with global linking */
1052 {
1053         return oldnewmap_lookup_and_inc(fd->globmap, adr);
1054 }
1055
1056 static void *newimaadr(FileData *fd, void *adr)         /* used to restore image data after undo */
1057 {
1058         if(fd->imamap && adr)
1059                 return oldnewmap_lookup_and_inc(fd->imamap, adr);
1060         return NULL;
1061 }
1062
1063
1064 static void *newlibadr(FileData *fd, void *lib, void *adr)              /* only lib data */
1065 {
1066         return oldnewmap_liblookup(fd->libmap, adr, lib);
1067 }
1068
1069 static void *newlibadr_us(FileData *fd, void *lib, void *adr)   /* increases user number */
1070 {
1071         ID *id= newlibadr(fd, lib, adr);
1072
1073         if(id)
1074                 id->us++;
1075
1076         return id;
1077 }
1078
1079 static void change_idid_adr_fd(FileData *fd, void *old, void *new)
1080 {
1081         int i;
1082
1083         for (i=0; i<fd->libmap->nentries; i++) {
1084                 OldNew *entry= &fd->libmap->entries[i];
1085
1086                 if (old==entry->newp && entry->nr==ID_ID) {
1087                         entry->newp= new;
1088                         if(new) entry->nr= GS( ((ID *)new)->name );
1089                         break;
1090                 }
1091         }
1092 }
1093
1094 static void change_idid_adr(ListBase *mainlist, FileData *basefd, void *old, void *new)
1095 {
1096         Main *mainptr;
1097
1098         for(mainptr= mainlist->first; mainptr; mainptr= mainptr->next) {
1099                 FileData *fd;
1100
1101                 if(mainptr->curlib) fd= mainptr->curlib->filedata;
1102                 else fd= basefd;
1103
1104                 if(fd) {
1105                         change_idid_adr_fd(fd, old, new);
1106                 }
1107         }
1108 }
1109
1110 /* assumed; G.main still exists */
1111 void blo_make_image_pointer_map(FileData *fd)
1112 {
1113         Image *ima= G.main->image.first;
1114         Scene *sce= G.main->scene.first;
1115
1116         fd->imamap= oldnewmap_new();
1117
1118         for(;ima; ima= ima->id.next) {
1119                 Link *ibuf= ima->ibufs.first;
1120                 for(; ibuf; ibuf= ibuf->next)
1121                         oldnewmap_insert(fd->imamap, ibuf, ibuf, 0);
1122         }
1123         for(; sce; sce= sce->id.next) {
1124                 if(sce->nodetree) {
1125                         bNode *node;
1126                         for(node= sce->nodetree->nodes.first; node; node= node->next)
1127                                 oldnewmap_insert(fd->imamap, node->preview, node->preview, 0);
1128                 }
1129         }
1130 }
1131
1132 /* set G.main image ibufs to zero if it has been restored */
1133 /* this works because freeing G.main only happens after this call */
1134 void blo_end_image_pointer_map(FileData *fd)
1135 {
1136         OldNew *entry= fd->imamap->entries;
1137         Image *ima= G.main->image.first;
1138         Scene *sce= G.main->scene.first;
1139         int i;
1140
1141         /* used entries were restored, so we put them to zero */
1142         for (i=0; i<fd->imamap->nentries; i++, entry++) {
1143                 if (entry->nr>0)
1144                         entry->newp= NULL;
1145         }
1146
1147         for(;ima; ima= ima->id.next) {
1148                 Link *ibuf, *next;
1149
1150                 /* this mirrors direct_link_image */
1151                 for(ibuf= ima->ibufs.first; ibuf; ibuf= next) {
1152                         next= ibuf->next;
1153                         if(NULL==newimaadr(fd, ibuf)) { /* so was restored */
1154                                 BLI_remlink(&ima->ibufs, ibuf);
1155                                 ima->bindcode= 0;
1156                         }
1157                 }
1158         }
1159         for(; sce; sce= sce->id.next) {
1160                 if(sce->nodetree) {
1161                         bNode *node;
1162                         for(node= sce->nodetree->nodes.first; node; node= node->next)
1163                                 node->preview= newimaadr(fd, node->preview);
1164                 }
1165         }
1166 }
1167
1168 /* undo file support: add all library pointers in lookup */
1169 void blo_add_library_pointer_map(ListBase *mainlist, FileData *fd)
1170 {
1171         Main *ptr= mainlist->first;
1172         ListBase *lbarray[MAX_LIBARRAY];
1173
1174         for(ptr= ptr->next; ptr; ptr= ptr->next) {
1175                 int i= set_listbasepointers(ptr, lbarray);
1176                 while(i--) {
1177                         ID *id;
1178                         for(id= lbarray[i]->first; id; id= id->next)
1179                                 oldnewmap_insert(fd->libmap, id, id, GS(id->name));
1180                 }
1181         }
1182 }
1183
1184
1185 /* ********** END OLD POINTERS ****************** */
1186 /* ********** READ FILE ****************** */
1187
1188 static void switch_endian_structs(struct SDNA *filesdna, BHead *bhead)
1189 {
1190         int blocksize, nblocks;
1191         char *data;
1192
1193         data= (char *)(bhead+1);
1194         blocksize= filesdna->typelens[ filesdna->structs[bhead->SDNAnr][0] ];
1195
1196         nblocks= bhead->nr;
1197         while(nblocks--) {
1198                 dna_switch_endian_struct(filesdna, bhead->SDNAnr, data);
1199
1200                 data+= blocksize;
1201         }
1202 }
1203
1204 static void *read_struct(FileData *fd, BHead *bh, char *blockname)
1205 {
1206         void *temp= NULL;
1207
1208         if (bh->len) {
1209                 /* switch is based on file dna */
1210                 if (bh->SDNAnr && (fd->flags & FD_FLAGS_SWITCH_ENDIAN))
1211                         switch_endian_structs(fd->filesdna, bh);
1212
1213                 if (fd->compflags[bh->SDNAnr]) {        /* flag==0: doesn't exist anymore */
1214                         if(fd->compflags[bh->SDNAnr]==2) {
1215                                 temp= dna_reconstruct(fd->memsdna, fd->filesdna, fd->compflags, bh->SDNAnr, bh->nr, (bh+1));
1216                         } else {
1217                                 temp= MEM_mallocN(bh->len, blockname);
1218                                 memcpy(temp, (bh+1), bh->len);
1219                         }
1220                 }
1221         }
1222
1223         return temp;
1224 }
1225
1226 static void link_list(FileData *fd, ListBase *lb)               /* only direct data */
1227 {
1228         Link *ln, *prev;
1229
1230         if(lb->first==NULL) return;
1231
1232         lb->first= newdataadr(fd, lb->first);
1233         ln= lb->first;
1234         prev= NULL;
1235         while(ln) {
1236                 ln->next= newdataadr(fd, ln->next);
1237                 ln->prev= prev;
1238                 prev= ln;
1239                 ln= ln->next;
1240         }
1241         lb->last= prev;
1242 }
1243
1244 static void link_glob_list(FileData *fd, ListBase *lb)          /* for glob data */
1245 {
1246         Link *ln, *prev;
1247         void *poin;
1248
1249         if(lb->first==0) return;
1250         poin= newdataadr(fd, lb->first);
1251         if(lb->first) {
1252                 oldnewmap_insert(fd->globmap, lb->first, poin, 0);
1253         }
1254         lb->first= poin;
1255
1256         ln= lb->first;
1257         prev= 0;
1258         while(ln) {
1259                 poin= newdataadr(fd, ln->next);
1260                 if(ln->next) {
1261                         oldnewmap_insert(fd->globmap, ln->next, poin, 0);
1262                 }
1263                 ln->next= poin;
1264                 ln->prev= prev;
1265                 prev= ln;
1266                 ln= ln->next;
1267         }
1268         lb->last= prev;
1269 }
1270
1271 static void test_pointer_array(FileData *fd, void **mat)
1272 {
1273 #if defined(WIN32) && !defined(FREE_WINDOWS)
1274         __int64 *lpoin, *lmat;
1275 #else
1276         long long *lpoin, *lmat;
1277 #endif
1278         int len, *ipoin, *imat;
1279
1280                 /* manually convert the pointer array in
1281                  * the old dna format to a pointer array in
1282                  * the new dna format.
1283                  */
1284         if(*mat) {
1285                 len= MEM_allocN_len(*mat)/fd->filesdna->pointerlen;
1286
1287                 if(fd->filesdna->pointerlen==8 && fd->memsdna->pointerlen==4) {
1288                         ipoin=imat= MEM_mallocN( len*4, "newmatar");
1289                         lpoin= *mat;
1290
1291                         while(len-- > 0) {
1292                                 if((fd->flags & FD_FLAGS_SWITCH_ENDIAN))
1293                                         SWITCH_LONGINT(*lpoin);
1294                                 *ipoin= (int) ((*lpoin) >> 3);
1295                                 ipoin++;
1296                                 lpoin++;
1297                         }
1298                         MEM_freeN(*mat);
1299                         *mat= imat;
1300                 }
1301
1302                 if(fd->filesdna->pointerlen==4 && fd->memsdna->pointerlen==8) {
1303                         lpoin=lmat= MEM_mallocN( len*8, "newmatar");
1304                         ipoin= *mat;
1305
1306                         while(len-- > 0) {
1307                                 *lpoin= *ipoin;
1308                                 ipoin++;
1309                                 lpoin++;
1310                         }
1311                         MEM_freeN(*mat);
1312                         *mat= lmat;
1313                 }
1314         }
1315 }
1316
1317 /* ************ READ ID Properties *************** */
1318
1319 void IDP_DirectLinkProperty(IDProperty *prop, int switch_endian, void *fd);
1320 void IDP_LibLinkProperty(IDProperty *prop, int switch_endian, void *fd);
1321
1322 void IDP_DirectLinkArray(IDProperty *prop, int switch_endian, void *fd)
1323 {
1324         int i;
1325
1326         /*since we didn't save the extra buffer, set totallen to len.*/
1327         prop->totallen = prop->len;
1328         prop->data.pointer = newdataadr(fd, prop->data.pointer);
1329
1330         if (switch_endian) {
1331                 for (i=0; i<prop->len; i++) {
1332                         SWITCH_INT(((int*)prop->data.pointer)[i]);
1333                 }
1334         }
1335 }
1336
1337 void IDP_DirectLinkString(IDProperty *prop, int switch_endian, void *fd)
1338 {
1339         /*since we didn't save the extra string buffer, set totallen to len.*/
1340         prop->totallen = prop->len;
1341         prop->data.pointer = newdataadr(fd, prop->data.pointer);
1342 }
1343
1344 void IDP_DirectLinkGroup(IDProperty *prop, int switch_endian, void *fd)
1345 {
1346         ListBase *lb = &prop->data.group;
1347         IDProperty *loop;
1348
1349         link_list(fd, lb);
1350
1351         /*Link child id properties now*/
1352         for (loop=prop->data.group.first; loop; loop=loop->next) {
1353                 IDP_DirectLinkProperty(loop, switch_endian, fd);
1354         }
1355 }
1356
1357 void IDP_DirectLinkProperty(IDProperty *prop, int switch_endian, void *fd)
1358 {
1359         switch (prop->type) {
1360                 case IDP_GROUP:
1361                         IDP_DirectLinkGroup(prop, switch_endian, fd);
1362                         break;
1363                 case IDP_STRING:
1364                         IDP_DirectLinkString(prop, switch_endian, fd);
1365                         break;
1366                 case IDP_ARRAY:
1367                         IDP_DirectLinkArray(prop, switch_endian, fd);
1368                         break;
1369         }
1370 }
1371
1372 /*stub function*/
1373 void IDP_LibLinkProperty(IDProperty *prop, int switch_endian, void *fd)
1374 {
1375 }
1376
1377 /* ************ READ Brush *************** */
1378 /* library brush linking after fileread */
1379 static void lib_link_brush(FileData *fd, Main *main)
1380 {
1381         Brush *brush;
1382         MTex *mtex;
1383         int a;
1384
1385         /* only link ID pointers */
1386         for(brush= main->brush.first; brush; brush= brush->id.next) {
1387                 if(brush->id.flag & LIB_NEEDLINK) {
1388                         brush->id.flag -= LIB_NEEDLINK;
1389
1390                         for(a=0; a<MAX_MTEX; a++) {
1391                                 mtex= brush->mtex[a];
1392                                 if(mtex)
1393                                         mtex->tex= newlibadr_us(fd, brush->id.lib, mtex->tex);
1394                         }
1395                 }
1396         }
1397 }
1398
1399 static void direct_link_brush(FileData *fd, Brush *brush)
1400 {
1401         /* brush itself has been read */
1402         int a;
1403
1404         for(a=0; a<MAX_MTEX; a++)
1405                 brush->mtex[a]= newdataadr(fd, brush->mtex[a]);
1406 }
1407
1408 /* ************ READ CurveMapping *************** */
1409
1410 /* cuma itself has been read! */
1411 static void direct_link_curvemapping(FileData *fd, CurveMapping *cumap)
1412 {
1413         int a;
1414
1415         /* flag seems to be able to hang? Maybe old files... not bad to clear anyway */
1416         cumap->flag &= ~CUMA_PREMULLED;
1417
1418         for(a=0; a<CM_TOT; a++) {
1419                 cumap->cm[a].curve= newdataadr(fd, cumap->cm[a].curve);
1420                 cumap->cm[a].table= NULL;
1421         }
1422 }
1423
1424 /* ************ READ NODE TREE *************** */
1425
1426 /* singe node tree (also used for material/scene trees), ntree is not NULL */
1427 static void lib_link_ntree(FileData *fd, ID *id, bNodeTree *ntree)
1428 {
1429         bNode *node;
1430
1431         for(node= ntree->nodes.first; node; node= node->next)
1432                 node->id= newlibadr_us(fd, id->lib, node->id);
1433 }
1434
1435 /* library ntree linking after fileread */
1436 static void lib_link_nodetree(FileData *fd, Main *main)
1437 {
1438         bNodeTree *ntree;
1439
1440         /* only link ID pointers */
1441         for(ntree= main->nodetree.first; ntree; ntree= ntree->id.next) {
1442                 if(ntree->id.flag & LIB_NEEDLINK) {
1443                         ntree->id.flag -= LIB_NEEDLINK;
1444                         lib_link_ntree(fd, &ntree->id, ntree);
1445                 }
1446         }
1447 }
1448
1449 /* verify types for nodes and groups, all data has to be read */
1450 static void lib_verify_nodetree(Main *main)
1451 {
1452         Scene *sce;
1453         Material *ma;
1454         bNodeTree *ntree;
1455
1456         /* now create the own typeinfo structs an verify nodes */
1457         /* here we still assume no groups in groups */
1458         for(ntree= main->nodetree.first; ntree; ntree= ntree->id.next) {
1459                 ntreeVerifyTypes(ntree);        /* internal nodes, no groups! */
1460                 ntreeMakeOwnType(ntree);        /* for group usage */
1461         }
1462
1463         /* now verify all types in material trees, groups are set OK now */
1464         for(ma= main->mat.first; ma; ma= ma->id.next) {
1465                 if(ma->nodetree)
1466                         ntreeVerifyTypes(ma->nodetree);
1467         }
1468         /* and scene trees */
1469         for(sce= main->scene.first; sce; sce= sce->id.next) {
1470                 if(sce->nodetree)
1471                         ntreeVerifyTypes(sce->nodetree);
1472         }
1473 }
1474
1475
1476
1477 /* ntree itself has been read! */
1478 static void direct_link_nodetree(FileData *fd, bNodeTree *ntree)
1479 {
1480         /* note: writing and reading goes in sync, for speed */
1481         bNode *node;
1482         bNodeSocket *sock;
1483         bNodeLink *link;
1484
1485         ntree->init= 0;         /* to set callbacks and force setting types */
1486         ntree->owntype= NULL;
1487         ntree->timecursor= NULL;
1488
1489         link_list(fd, &ntree->nodes);
1490         for(node= ntree->nodes.first; node; node= node->next) {
1491                 node->storage= newdataadr(fd, node->storage);
1492                 if(node->storage) {
1493
1494                         /* could be handlerized at some point */
1495                         if(ntree->type==NTREE_SHADER && (node->type==SH_NODE_CURVE_VEC || node->type==SH_NODE_CURVE_RGB))
1496                                 direct_link_curvemapping(fd, node->storage);
1497                         else if(ntree->type==NTREE_COMPOSIT) {
1498                                 if( ELEM3(node->type, CMP_NODE_TIME, CMP_NODE_CURVE_VEC, CMP_NODE_CURVE_RGB))
1499                                         direct_link_curvemapping(fd, node->storage);
1500                                 else if(ELEM3(node->type, CMP_NODE_IMAGE, CMP_NODE_VIEWER, CMP_NODE_SPLITVIEWER))
1501                                         ((ImageUser *)node->storage)->ok= 1;
1502                         }
1503                 }
1504                 link_list(fd, &node->inputs);
1505                 link_list(fd, &node->outputs);
1506         }
1507         link_list(fd, &ntree->links);
1508
1509         /* and we connect the rest */
1510         for(node= ntree->nodes.first; node; node= node->next) {
1511                 node->preview= newimaadr(fd, node->preview);
1512                 node->lasty= 0;
1513                 for(sock= node->inputs.first; sock; sock= sock->next)
1514                         sock->link= newdataadr(fd, sock->link);
1515                 for(sock= node->outputs.first; sock; sock= sock->next)
1516                         sock->ns.data= NULL;
1517         }
1518         for(link= ntree->links.first; link; link= link->next) {
1519                 link->fromnode= newdataadr(fd, link->fromnode);
1520                 link->tonode= newdataadr(fd, link->tonode);
1521                 link->fromsock= newdataadr(fd, link->fromsock);
1522                 link->tosock= newdataadr(fd, link->tosock);
1523         }
1524
1525         /* type verification is in lib-link */
1526 }
1527
1528 /* ************ READ PACKEDFILE *************** */
1529
1530 static PackedFile *direct_link_packedfile(FileData *fd, PackedFile *oldpf)
1531 {
1532         PackedFile *pf= newdataadr(fd, oldpf);
1533
1534         if (pf) {
1535                 pf->data= newdataadr(fd, pf->data);
1536         }
1537
1538         return pf;
1539 }
1540
1541 /* ************ READ IMAGE PREVIEW *************** */
1542
1543 static PreviewImage *direct_link_preview_image(FileData *fd, PreviewImage *old_prv)
1544 {
1545         PreviewImage *prv= newdataadr(fd, old_prv);
1546
1547         if (prv) {
1548                 int i;
1549                 for (i=0; i < PREVIEW_MIPMAPS; ++i) {
1550                         if (prv->rect[i]) {
1551                                 prv->rect[i] = newdataadr(fd, prv->rect[i]);
1552                         }
1553                 }
1554         }
1555
1556         return prv;
1557 }
1558
1559 /* ************ READ SCRIPTLINK *************** */
1560
1561 static void lib_link_scriptlink(FileData *fd, ID *id, ScriptLink *slink)
1562 {
1563         int i;
1564
1565         for(i=0; i<slink->totscript; i++) {
1566                 slink->scripts[i]= newlibadr(fd, id->lib, slink->scripts[i]);
1567         }
1568 }
1569
1570 static void direct_link_scriptlink(FileData *fd, ScriptLink *slink)
1571 {
1572         slink->scripts= newdataadr(fd, slink->scripts);
1573         test_pointer_array(fd, (void **)&slink->scripts);
1574
1575         slink->flag= newdataadr(fd, slink->flag);
1576
1577         if(fd->flags & FD_FLAGS_SWITCH_ENDIAN) {
1578                 int a;
1579
1580                 for(a=0; a<slink->totscript; a++) {
1581                         SWITCH_SHORT(slink->flag[a]);
1582                 }
1583         }
1584 }
1585
1586 /* ************ READ ARMATURE ***************** */
1587
1588 static void lib_link_nlastrips(FileData *fd, ID *id, ListBase *striplist)
1589 {
1590         bActionStrip *strip;
1591         bActionModifier *amod;
1592
1593         for (strip=striplist->first; strip; strip=strip->next){
1594                 strip->object = newlibadr(fd, id->lib, strip->object);
1595                 strip->act = newlibadr_us(fd, id->lib, strip->act);
1596                 strip->ipo = newlibadr(fd, id->lib, strip->ipo);
1597                 for(amod= strip->modifiers.first; amod; amod= amod->next)
1598                         amod->ob= newlibadr(fd, id->lib, amod->ob);
1599         }
1600 }
1601
1602 static void lib_link_constraint_channels(FileData *fd, ID *id, ListBase *chanbase)
1603 {
1604         bConstraintChannel *chan;
1605
1606         for (chan=chanbase->first; chan; chan=chan->next){
1607                 chan->ipo = newlibadr_us(fd, id->lib, chan->ipo);
1608         }
1609 }
1610
1611 static void lib_link_constraints(FileData *fd, ID *id, ListBase *conlist)
1612 {
1613         bConstraint *con;
1614
1615         for (con = conlist->first; con; con=con->next) {
1616                 /* patch for error introduced by changing constraints (dunno how) */
1617                 /* if con->data type changes, dna cannot resolve the pointer! (ton) */
1618                 if(con->data==NULL) {
1619                         con->type= CONSTRAINT_TYPE_NULL;
1620                 }
1621
1622                 switch (con->type) {
1623                 case CONSTRAINT_TYPE_PYTHON:
1624                         {
1625                                 bPythonConstraint *data= (bPythonConstraint*)con->data;
1626                                 bConstraintTarget *ct;
1627
1628                                 for (ct= data->targets.first; ct; ct= ct->next)
1629                                         ct->tar = newlibadr(fd, id->lib, ct->tar);
1630
1631                                 data->text = newlibadr(fd, id->lib, data->text);
1632                                 //IDP_LibLinkProperty(data->prop, (fd->flags & FD_FLAGS_SWITCH_ENDIAN), fd);
1633                         }
1634                         break;
1635                 case CONSTRAINT_TYPE_ACTION:
1636                         {
1637                                 bActionConstraint *data;
1638                                 data= ((bActionConstraint*)con->data);
1639                                 data->tar = newlibadr(fd, id->lib, data->tar);
1640                                 data->act = newlibadr(fd, id->lib, data->act);
1641                         }
1642                         break;
1643                 case CONSTRAINT_TYPE_LOCLIKE:
1644                         {
1645                                 bLocateLikeConstraint *data;
1646                                 data= ((bLocateLikeConstraint*)con->data);
1647                                 data->tar = newlibadr(fd, id->lib, data->tar);
1648                         }
1649                         break;
1650                 case CONSTRAINT_TYPE_ROTLIKE:
1651                         {
1652                                 bRotateLikeConstraint *data;
1653                                 data= ((bRotateLikeConstraint*)con->data);
1654                                 data->tar = newlibadr(fd, id->lib, data->tar);
1655                         }
1656                         break;
1657                 case CONSTRAINT_TYPE_SIZELIKE:
1658                         {
1659                                 bSizeLikeConstraint *data;
1660                                 data= ((bSizeLikeConstraint*)con->data);
1661                                 data->tar = newlibadr(fd, id->lib, data->tar);
1662                         }
1663                         break;
1664                 case CONSTRAINT_TYPE_KINEMATIC:
1665                         {
1666                                 bKinematicConstraint *data;
1667                                 data = ((bKinematicConstraint*)con->data);
1668                                 data->tar = newlibadr(fd, id->lib, data->tar);
1669                                 data->poletar = newlibadr(fd, id->lib, data->poletar);
1670                         }
1671                         break;
1672                 case CONSTRAINT_TYPE_TRACKTO:
1673                         {
1674                                 bTrackToConstraint *data;
1675                                 data = ((bTrackToConstraint*)con->data);
1676                                 data->tar = newlibadr(fd, id->lib, data->tar);
1677                         }
1678                         break;
1679                 case CONSTRAINT_TYPE_MINMAX:
1680                         {
1681                                 bMinMaxConstraint *data;
1682                                 data = ((bMinMaxConstraint*)con->data);
1683                                 data->tar = newlibadr(fd, id->lib, data->tar);
1684                         }
1685                         break;
1686                 case CONSTRAINT_TYPE_LOCKTRACK:
1687                         {
1688                                 bLockTrackConstraint *data;
1689                                 data= ((bLockTrackConstraint*)con->data);
1690                                 data->tar = newlibadr(fd, id->lib, data->tar);
1691                         }
1692                         break;
1693                 case CONSTRAINT_TYPE_FOLLOWPATH:
1694                         {
1695                                 bFollowPathConstraint *data;
1696                                 data= ((bFollowPathConstraint*)con->data);
1697                                 data->tar = newlibadr(fd, id->lib, data->tar);
1698                         }
1699                         break;
1700                 case CONSTRAINT_TYPE_STRETCHTO:
1701                         {
1702                                 bStretchToConstraint *data;
1703                                 data= ((bStretchToConstraint*)con->data);
1704                                 data->tar = newlibadr(fd, id->lib, data->tar);
1705                         }
1706                         break;
1707                 case CONSTRAINT_TYPE_RIGIDBODYJOINT:
1708                         {
1709                                 bRigidBodyJointConstraint *data;
1710                                 data= ((bRigidBodyJointConstraint*)con->data);
1711                                 data->tar = newlibadr(fd, id->lib, data->tar);
1712                         }
1713                         break;
1714                 case CONSTRAINT_TYPE_CLAMPTO:
1715                         {
1716                                 bClampToConstraint *data;
1717                                 data= ((bClampToConstraint*)con->data);
1718                                 data->tar = newlibadr(fd, id->lib, data->tar);
1719                         }
1720                         break;
1721                 case CONSTRAINT_TYPE_CHILDOF:
1722                         {
1723                                 bChildOfConstraint *data;
1724                                 data= ((bChildOfConstraint*)con->data);
1725                                 data->tar = newlibadr(fd, id->lib, data->tar);
1726                         }
1727                         break;
1728                 case CONSTRAINT_TYPE_TRANSFORM:
1729                         {
1730                                 bTransformConstraint *data;
1731                                 data= ((bTransformConstraint*)con->data);
1732                                 data->tar = newlibadr(fd, id->lib, data->tar);
1733                         }
1734                         break;
1735                 case CONSTRAINT_TYPE_NULL:
1736                         break;
1737                 }
1738         }
1739 }
1740
1741 static void direct_link_constraints(FileData *fd, ListBase *lb)
1742 {
1743         bConstraint *cons;
1744
1745         link_list(fd, lb);
1746         for (cons=lb->first; cons; cons=cons->next) {
1747                 cons->data = newdataadr(fd, cons->data);
1748                 if (cons->type == CONSTRAINT_TYPE_PYTHON) {
1749                         bPythonConstraint *data= cons->data;
1750                         link_list(fd, &data->targets);
1751                         data->prop = newdataadr(fd, data->prop);
1752                         IDP_DirectLinkProperty(data->prop, (fd->flags & FD_FLAGS_SWITCH_ENDIAN), fd);
1753                 }
1754         }
1755 }
1756
1757 static void lib_link_pose(FileData *fd, Object *ob, bPose *pose)
1758 {
1759         bPoseChannel *pchan;
1760         bArmature *arm= ob->data;
1761         int rebuild;
1762
1763         if (!pose || !arm)
1764                 return;
1765
1766         /* always rebuild to match proxy or lib changes */
1767         rebuild= ob->proxy || (ob->id.lib==NULL && arm->id.lib);
1768
1769         for (pchan = pose->chanbase.first; pchan; pchan=pchan->next) {
1770                 lib_link_constraints(fd, (ID *)ob, &pchan->constraints);
1771
1772                 /* hurms... loop in a loop, but yah... later... (ton) */
1773                 pchan->bone= get_named_bone(arm, pchan->name);
1774
1775                 pchan->custom= newlibadr(fd, arm->id.lib, pchan->custom);
1776                 if(pchan->bone==NULL)
1777                         rebuild= 1;
1778                 else if(ob->id.lib==NULL && arm->id.lib) {
1779                         /* local pose selection copied to armature, bit hackish */
1780                         pchan->bone->flag &= ~(BONE_SELECTED|BONE_ACTIVE);
1781                         pchan->bone->flag |= pchan->selectflag;
1782                 }
1783         }
1784
1785         if(rebuild) {
1786                 ob->recalc= OB_RECALC;
1787                 pose->flag |= POSE_RECALC;
1788         }
1789 }
1790
1791 static void lib_link_armature(FileData *fd, Main *main)
1792 {
1793         bArmature *arm;
1794
1795         arm= main->armature.first;
1796
1797         while(arm) {
1798                 if(arm->id.flag & LIB_NEEDLINK) {
1799                         arm->id.flag -= LIB_NEEDLINK;
1800                 }
1801                 arm= arm->id.next;
1802         }
1803 }
1804
1805 static void lib_link_action(FileData *fd, Main *main)
1806 {
1807         bAction *act;
1808         bActionChannel *chan;
1809
1810         act= main->action.first;
1811         while(act) {
1812                 if(act->id.flag & LIB_NEEDLINK) {
1813                         act->id.flag -= LIB_NEEDLINK;
1814
1815                         for (chan=act->chanbase.first; chan; chan=chan->next) {
1816                                 chan->ipo= newlibadr_us(fd, act->id.lib, chan->ipo);
1817                                 lib_link_constraint_channels(fd, &act->id, &chan->constraintChannels);
1818                         }
1819
1820                 }
1821                 act= act->id.next;
1822         }
1823 }
1824
1825 static void direct_link_bones(FileData *fd, Bone* bone)
1826 {
1827         Bone    *child;
1828
1829         bone->parent= newdataadr(fd, bone->parent);
1830
1831         link_list(fd, &bone->childbase);
1832
1833         for (child=bone->childbase.first; child; child=child->next) {
1834                 direct_link_bones(fd, child);
1835         }
1836 }
1837
1838
1839 static void direct_link_action(FileData *fd, bAction *act)
1840 {
1841         bActionChannel *achan;
1842
1843         link_list(fd, &act->chanbase);
1844
1845         for (achan = act->chanbase.first; achan; achan=achan->next)
1846                 link_list(fd, &achan->constraintChannels);
1847
1848 }
1849
1850 static void direct_link_armature(FileData *fd, bArmature *arm)
1851 {
1852         Bone    *bone;
1853
1854         link_list(fd, &arm->bonebase);
1855
1856         bone=arm->bonebase.first;
1857         while (bone) {
1858                 direct_link_bones(fd, bone);
1859                 bone=bone->next;
1860         }
1861 }
1862
1863 /* ************ READ CAMERA ***************** */
1864
1865 static void lib_link_camera(FileData *fd, Main *main)
1866 {
1867         Camera *ca;
1868
1869         ca= main->camera.first;
1870         while(ca) {
1871                 if(ca->id.flag & LIB_NEEDLINK) {
1872
1873                         ca->ipo= newlibadr_us(fd, ca->id.lib, ca->ipo);
1874
1875                         ca->dof_ob= newlibadr_us(fd, ca->id.lib, ca->dof_ob);
1876
1877                         lib_link_scriptlink(fd, &ca->id, &ca->scriptlink);
1878
1879                         ca->id.flag -= LIB_NEEDLINK;
1880                 }
1881                 ca= ca->id.next;
1882         }
1883 }
1884
1885 static void direct_link_camera(FileData *fd, Camera *ca)
1886 {
1887         direct_link_scriptlink(fd, &ca->scriptlink);
1888 }
1889
1890
1891 /* ************ READ LAMP ***************** */
1892
1893 static void lib_link_lamp(FileData *fd, Main *main)
1894 {
1895         Lamp *la;
1896         MTex *mtex;
1897         int a;
1898
1899         la= main->lamp.first;
1900         while(la) {
1901                 if(la->id.flag & LIB_NEEDLINK) {
1902
1903                         for(a=0; a<MAX_MTEX; a++) {
1904                                 mtex= la->mtex[a];
1905                                 if(mtex) {
1906                                         mtex->tex= newlibadr_us(fd, la->id.lib, mtex->tex);
1907                                         mtex->object= newlibadr(fd, la->id.lib, mtex->object);
1908                                 }
1909                         }
1910
1911                         la->ipo= newlibadr_us(fd, la->id.lib, la->ipo);
1912
1913                         lib_link_scriptlink(fd, &la->id, &la->scriptlink);
1914
1915                         la->id.flag -= LIB_NEEDLINK;
1916                 }
1917                 la= la->id.next;
1918         }
1919 }
1920
1921 static void direct_link_lamp(FileData *fd, Lamp *la)
1922 {
1923         int a;
1924
1925         direct_link_scriptlink(fd, &la->scriptlink);
1926
1927         for(a=0; a<MAX_MTEX; a++) {
1928                 la->mtex[a]= newdataadr(fd, la->mtex[a]);
1929         }
1930
1931         la->curfalloff= newdataadr(fd, la->curfalloff);
1932         if(la->curfalloff)
1933                 direct_link_curvemapping(fd, la->curfalloff);
1934
1935         la->preview = direct_link_preview_image(fd, la->preview);
1936 }
1937
1938 /* ************ READ keys ***************** */
1939
1940 static void lib_link_key(FileData *fd, Main *main)
1941 {
1942         Key *key;
1943
1944         key= main->key.first;
1945         while(key) {
1946                 if(key->id.flag & LIB_NEEDLINK) {
1947
1948                         key->ipo= newlibadr_us(fd, key->id.lib, key->ipo);
1949                         key->from= newlibadr(fd, key->id.lib, key->from);
1950
1951                         key->id.flag -= LIB_NEEDLINK;
1952                 }
1953                 key= key->id.next;
1954         }
1955 }
1956
1957 static void switch_endian_keyblock(Key *key, KeyBlock *kb)
1958 {
1959         int elemsize, a, b;
1960         char *data, *poin, *cp;
1961
1962         elemsize= key->elemsize;
1963         data= kb->data;
1964
1965         for(a=0; a<kb->totelem; a++) {
1966
1967                 cp= key->elemstr;
1968                 poin= data;
1969
1970                 while( cp[0] ) {        /* cp[0]==amount */
1971
1972                         switch(cp[1]) {         /* cp[1]= type */
1973                         case IPO_FLOAT:
1974                         case IPO_BPOINT:
1975                         case IPO_BEZTRIPLE:
1976                                 b= cp[0];
1977                                 while(b--) {
1978                                         SWITCH_INT((*poin));
1979                                         poin+= 4;
1980                                 }
1981                                 break;
1982                         }
1983
1984                         cp+= 2;
1985
1986                 }
1987                 data+= elemsize;
1988         }
1989 }
1990
1991 static void direct_link_key(FileData *fd, Key *key)
1992 {
1993         KeyBlock *kb;
1994
1995         link_list(fd, &(key->block));
1996
1997         key->refkey= newdataadr(fd, key->refkey);
1998
1999         kb= key->block.first;
2000         while(kb) {
2001
2002                 kb->data= newdataadr(fd, kb->data);
2003
2004                 if(fd->flags & FD_FLAGS_SWITCH_ENDIAN)
2005                         switch_endian_keyblock(key, kb);
2006
2007                 kb= kb->next;
2008         }
2009 }
2010
2011 /* ************ READ mball ***************** */
2012
2013 static void lib_link_mball(FileData *fd, Main *main)
2014 {
2015         MetaBall *mb;
2016         int a;
2017
2018         mb= main->mball.first;
2019         while(mb) {
2020                 if(mb->id.flag & LIB_NEEDLINK) {
2021
2022                         for(a=0; a<mb->totcol; a++) mb->mat[a]= newlibadr_us(fd, mb->id.lib, mb->mat[a]);
2023
2024                         mb->ipo= newlibadr_us(fd, mb->id.lib, mb->ipo);
2025
2026                         mb->id.flag -= LIB_NEEDLINK;
2027                 }
2028                 mb= mb->id.next;
2029         }
2030 }
2031
2032 static void direct_link_mball(FileData *fd, MetaBall *mb)
2033 {
2034         mb->mat= newdataadr(fd, mb->mat);
2035         test_pointer_array(fd, (void **)&mb->mat);
2036
2037         link_list(fd, &(mb->elems));
2038
2039         mb->disp.first= mb->disp.last= 0;
2040
2041         mb->bb= 0;
2042 }
2043
2044 /* ************ READ WORLD ***************** */
2045
2046 static void lib_link_world(FileData *fd, Main *main)
2047 {
2048         World *wrld;
2049         MTex *mtex;
2050         int a;
2051
2052         wrld= main->world.first;
2053         while(wrld) {
2054                 if(wrld->id.flag & LIB_NEEDLINK) {
2055
2056                         wrld->ipo= newlibadr_us(fd, wrld->id.lib, wrld->ipo);
2057
2058                         for(a=0; a<MAX_MTEX; a++) {
2059                                 mtex= wrld->mtex[a];
2060                                 if(mtex) {
2061                                         mtex->tex= newlibadr_us(fd, wrld->id.lib, mtex->tex);
2062                                         mtex->object= newlibadr(fd, wrld->id.lib, mtex->object);
2063                                 }
2064                         }
2065
2066                         lib_link_scriptlink(fd, &wrld->id, &wrld->scriptlink);
2067
2068                         wrld->id.flag -= LIB_NEEDLINK;
2069                 }
2070                 wrld= wrld->id.next;
2071         }
2072 }
2073
2074 static void direct_link_world(FileData *fd, World *wrld)
2075 {
2076         int a;
2077
2078         direct_link_scriptlink(fd, &wrld->scriptlink);
2079
2080         for(a=0; a<MAX_MTEX; a++) {
2081                 wrld->mtex[a]= newdataadr(fd, wrld->mtex[a]);
2082         }
2083         wrld->preview = direct_link_preview_image(fd, wrld->preview);
2084 }
2085
2086
2087 /* ************ READ IPO ***************** */
2088
2089 static void lib_link_ipo(FileData *fd, Main *main)
2090 {
2091         Ipo *ipo;
2092
2093         ipo= main->ipo.first;
2094         while(ipo) {
2095                 if(ipo->id.flag & LIB_NEEDLINK) {
2096                         IpoCurve *icu;
2097                         for(icu= ipo->curve.first; icu; icu= icu->next) {
2098                                 if(icu->driver)
2099                                         icu->driver->ob= newlibadr(fd, ipo->id.lib, icu->driver->ob);
2100                         }
2101                         ipo->id.flag -= LIB_NEEDLINK;
2102                 }
2103                 ipo= ipo->id.next;
2104         }
2105 }
2106
2107 static void direct_link_ipo(FileData *fd, Ipo *ipo)
2108 {
2109         IpoCurve *icu;
2110
2111         link_list(fd, &(ipo->curve));
2112         icu= ipo->curve.first;
2113         while(icu) {
2114                 icu->bezt= newdataadr(fd, icu->bezt);
2115                 icu->bp= newdataadr(fd, icu->bp);
2116                 icu->driver= newdataadr(fd, icu->driver);
2117                 icu= icu->next;
2118         }
2119 }
2120
2121 /* ************ READ VFONT ***************** */
2122
2123 static void lib_link_vfont(FileData *fd, Main *main)
2124 {
2125         VFont *vf;
2126
2127         vf= main->vfont.first;
2128         while(vf) {
2129                 if(vf->id.flag & LIB_NEEDLINK) {
2130                         vf->id.flag -= LIB_NEEDLINK;
2131                 }
2132                 vf= vf->id.next;
2133         }
2134 }
2135
2136 static void direct_link_vfont(FileData *fd, VFont *vf)
2137 {
2138         vf->data= NULL;
2139         vf->packedfile= direct_link_packedfile(fd, vf->packedfile);
2140 }
2141
2142 /* ************ READ TEXT ****************** */
2143
2144 static void lib_link_text(FileData *fd, Main *main)
2145 {
2146         Text *text;
2147
2148         text= main->text.first;
2149         while(text) {
2150                 if(text->id.flag & LIB_NEEDLINK) {
2151                         text->id.flag -= LIB_NEEDLINK;
2152                 }
2153                 text= text->id.next;
2154         }
2155 }
2156
2157 static void direct_link_text(FileData *fd, Text *text)
2158 {
2159         TextLine *ln;
2160
2161         text->name= newdataadr(fd, text->name);
2162
2163         text->undo_pos= -1;
2164         text->undo_len= TXT_INIT_UNDO;
2165         text->undo_buf= MEM_mallocN(text->undo_len, "undo buf");
2166
2167         text->compiled= NULL;
2168
2169 /*
2170         if(text->flags & TXT_ISEXT) {
2171                 reopen_text(text);
2172         } else {
2173 */
2174
2175         link_list(fd, &text->lines);
2176
2177         text->curl= newdataadr(fd, text->curl);
2178         text->sell= newdataadr(fd, text->sell);
2179
2180         ln= text->lines.first;
2181         while(ln) {
2182                 ln->line= newdataadr(fd, ln->line);
2183                 ln->format= NULL;
2184
2185                 if (ln->len != (int) strlen(ln->line)) {
2186                         printf("Error loading text, line lengths differ\n");
2187                         ln->len = strlen(ln->line);
2188                 }
2189
2190                 ln= ln->next;
2191         }
2192
2193         text->flags = (text->flags|TXT_ISTMP) & ~TXT_ISEXT;
2194
2195         text->id.us= 1;
2196 }
2197
2198 /* ************ READ IMAGE ***************** */
2199
2200 static void lib_link_image(FileData *fd, Main *main)
2201 {
2202         Image *ima;
2203
2204         ima= main->image.first;
2205         while (ima) {
2206                 if(ima->id.flag & LIB_NEEDLINK) {
2207                         if (ima->id.properties) IDP_LibLinkProperty(ima->id.properties, (fd->flags & FD_FLAGS_SWITCH_ENDIAN), fd);
2208
2209                         ima->id.flag -= LIB_NEEDLINK;
2210                 }
2211                 ima= ima->id.next;
2212         }
2213 }
2214
2215 static void link_ibuf_list(FileData *fd, ListBase *lb)
2216 {
2217         Link *ln, *prev;
2218
2219         if(lb->first==NULL) return;
2220
2221         lb->first= newimaadr(fd, lb->first);
2222         ln= lb->first;
2223         prev= NULL;
2224         while(ln) {
2225                 ln->next= newimaadr(fd, ln->next);
2226                 ln->prev= prev;
2227                 prev= ln;
2228                 ln= ln->next;
2229         }
2230         lb->last= prev;
2231 }
2232
2233 static void direct_link_image(FileData *fd, Image *ima)
2234 {
2235         /* for undo system, pointers could be restored */
2236         if(fd->imamap)
2237                 link_ibuf_list(fd, &ima->ibufs);
2238         else
2239                 ima->ibufs.first= ima->ibufs.last= NULL;
2240
2241         /* if not restored, we keep the binded opengl index */
2242         if(ima->ibufs.first==NULL)
2243                 ima->bindcode= 0;
2244
2245         ima->anim= NULL;
2246         ima->rr= NULL;
2247         ima->repbind= NULL;
2248
2249         ima->packedfile = direct_link_packedfile(fd, ima->packedfile);
2250         ima->preview = direct_link_preview_image(fd, ima->preview);
2251         ima->ok= 1;
2252 }
2253
2254
2255 /* ************ READ CURVE ***************** */
2256
2257 static void lib_link_curve(FileData *fd, Main *main)
2258 {
2259         Curve *cu;
2260         int a;
2261
2262         cu= main->curve.first;
2263         while(cu) {
2264                 if(cu->id.flag & LIB_NEEDLINK) {
2265
2266                         for(a=0; a<cu->totcol; a++) cu->mat[a]= newlibadr_us(fd, cu->id.lib, cu->mat[a]);
2267
2268                         cu->bevobj= newlibadr(fd, cu->id.lib, cu->bevobj);
2269                         cu->taperobj= newlibadr(fd, cu->id.lib, cu->taperobj);
2270                         cu->textoncurve= newlibadr(fd, cu->id.lib, cu->textoncurve);
2271                         cu->vfont= newlibadr_us(fd, cu->id.lib, cu->vfont);
2272                         cu->vfontb= newlibadr_us(fd, cu->id.lib, cu->vfontb);
2273                         cu->vfonti= newlibadr_us(fd, cu->id.lib, cu->vfonti);
2274                         cu->vfontbi= newlibadr_us(fd, cu->id.lib, cu->vfontbi);
2275
2276                         cu->ipo= newlibadr_us(fd, cu->id.lib, cu->ipo);
2277                         cu->key= newlibadr_us(fd, cu->id.lib, cu->key);
2278
2279                         cu->id.flag -= LIB_NEEDLINK;
2280                 }
2281                 cu= cu->id.next;
2282         }
2283 }
2284
2285
2286 static void switch_endian_knots(Nurb *nu)
2287 {
2288         int len;
2289
2290         if(nu->knotsu) {
2291                 len= KNOTSU(nu);
2292                 while(len--) {
2293                         SWITCH_INT(nu->knotsu[len]);
2294                 }
2295         }
2296         if(nu->knotsv) {
2297                 len= KNOTSV(nu);
2298                 while(len--) {
2299                         SWITCH_INT(nu->knotsv[len]);
2300                 }
2301         }
2302 }
2303
2304 static void direct_link_curve(FileData *fd, Curve *cu)
2305 {
2306         Nurb *nu;
2307         TextBox *tb;
2308
2309         cu->mat= newdataadr(fd, cu->mat);
2310         test_pointer_array(fd, (void **)&cu->mat);
2311         cu->str= newdataadr(fd, cu->str);
2312         cu->strinfo= newdataadr(fd, cu->strinfo);
2313         cu->tb= newdataadr(fd, cu->tb);
2314
2315         if(cu->vfont==0) link_list(fd, &(cu->nurb));
2316         else {
2317                 cu->nurb.first=cu->nurb.last= 0;
2318
2319                 tb= MEM_callocN(MAXTEXTBOX*sizeof(TextBox), "TextBoxread");
2320                 if (cu->tb) {
2321                         memcpy(tb, cu->tb, cu->totbox*sizeof(TextBox));
2322                         MEM_freeN(cu->tb);
2323                         cu->tb= tb;
2324                 } else {
2325                         cu->totbox = 1;
2326                         cu->actbox = 1;
2327                         cu->tb = tb;
2328                         cu->tb[0].w = cu->linewidth;
2329                 }
2330                 if (cu->wordspace == 0.0) cu->wordspace = 1.0;
2331         }
2332
2333         cu->bev.first=cu->bev.last= 0;
2334         cu->disp.first=cu->disp.last= 0;
2335         cu->path= 0;
2336
2337         nu= cu->nurb.first;
2338         while(nu) {
2339                 nu->bezt= newdataadr(fd, nu->bezt);
2340                 nu->bp= newdataadr(fd, nu->bp);
2341                 nu->knotsu= newdataadr(fd, nu->knotsu);
2342                 nu->knotsv= newdataadr(fd, nu->knotsv);
2343                 if (cu->vfont==0) nu->charidx= nu->mat_nr;
2344
2345                 if(fd->flags & FD_FLAGS_SWITCH_ENDIAN) {
2346                         switch_endian_knots(nu);
2347                 }
2348
2349                 nu= nu->next;
2350         }
2351         cu->bb= NULL;
2352 }
2353
2354 /* ************ READ TEX ***************** */
2355
2356 static void lib_link_texture(FileData *fd, Main *main)
2357 {
2358         Tex *tex;
2359
2360         tex= main->tex.first;
2361         while(tex) {
2362                 if(tex->id.flag & LIB_NEEDLINK) {
2363
2364                         tex->ima= newlibadr_us(fd, tex->id.lib, tex->ima);
2365                         tex->ipo= newlibadr_us(fd, tex->id.lib, tex->ipo);
2366                         if(tex->env) tex->env->object= newlibadr(fd, tex->id.lib, tex->env->object);
2367
2368                         tex->id.flag -= LIB_NEEDLINK;
2369                 }
2370                 tex= tex->id.next;
2371         }
2372 }
2373
2374 static void direct_link_texture(FileData *fd, Tex *tex)
2375 {
2376         tex->plugin= newdataadr(fd, tex->plugin);
2377         if(tex->plugin) {
2378                 tex->plugin->handle= 0;
2379                 open_plugin_tex(tex->plugin);
2380                 /* initialize data for this instance, if an initialization
2381                  * function exists.
2382                  */
2383                 if (tex->plugin->instance_init)
2384                         tex->plugin->instance_init((void *) tex->plugin->data);
2385         }
2386         tex->coba= newdataadr(fd, tex->coba);
2387         tex->env= newdataadr(fd, tex->env);
2388         if(tex->env) {
2389                 tex->env->ima= NULL;
2390                 memset(tex->env->cube, 0, 6*sizeof(void *));
2391                 tex->env->ok= 0;
2392         }
2393         tex->preview = direct_link_preview_image(fd, tex->preview);
2394
2395         tex->iuser.ok= 1;
2396 }
2397
2398
2399
2400 /* ************ READ MATERIAL ***************** */
2401
2402 static void lib_link_material(FileData *fd, Main *main)
2403 {
2404         Material *ma;
2405         MTex *mtex;
2406         int a;
2407
2408         ma= main->mat.first;
2409         while(ma) {
2410                 if(ma->id.flag & LIB_NEEDLINK) {
2411                         /*Link ID Properties -- and copy this comment EXACTLY for easy finding
2412                         of library blocks that implement this.*/
2413                         if (ma->id.properties) IDP_LibLinkProperty(ma->id.properties, (fd->flags & FD_FLAGS_SWITCH_ENDIAN), fd);
2414
2415                         ma->ipo= newlibadr_us(fd, ma->id.lib, ma->ipo);
2416                         ma->group= newlibadr_us(fd, ma->id.lib, ma->group);
2417
2418                         for(a=0; a<MAX_MTEX; a++) {
2419                                 mtex= ma->mtex[a];
2420                                 if(mtex) {
2421                                         mtex->tex= newlibadr_us(fd, ma->id.lib, mtex->tex);
2422                                         mtex->object= newlibadr(fd, ma->id.lib, mtex->object);
2423                                 }
2424                         }
2425                         lib_link_scriptlink(fd, &ma->id, &ma->scriptlink);
2426
2427                         if(ma->nodetree)
2428                                 lib_link_ntree(fd, &ma->id, ma->nodetree);
2429
2430                         ma->id.flag -= LIB_NEEDLINK;
2431                 }
2432                 ma= ma->id.next;
2433         }
2434 }
2435
2436 static void direct_link_material(FileData *fd, Material *ma)
2437 {
2438         int a;
2439
2440         for(a=0; a<MAX_MTEX; a++) {
2441                 ma->mtex[a]= newdataadr(fd, ma->mtex[a]);
2442         }
2443
2444         ma->ramp_col= newdataadr(fd, ma->ramp_col);
2445         ma->ramp_spec= newdataadr(fd, ma->ramp_spec);
2446
2447         direct_link_scriptlink(fd, &ma->scriptlink);
2448
2449         ma->nodetree= newdataadr(fd, ma->nodetree);
2450         if(ma->nodetree)
2451                 direct_link_nodetree(fd, ma->nodetree);
2452
2453         ma->preview = direct_link_preview_image(fd, ma->preview);
2454 }
2455
2456 /* ************ READ MESH ***************** */
2457
2458 static void lib_link_mtface(FileData *fd, Mesh *me, MTFace *mtface, int totface)
2459 {
2460         MTFace *tf= mtface;
2461         int i;
2462
2463         for (i=0; i<totface; i++, tf++) {
2464                 tf->tpage= newlibadr(fd, me->id.lib, tf->tpage);
2465                 if(tf->tpage && tf->tpage->id.us==0)
2466                         tf->tpage->id.us= 1;
2467         }
2468 }
2469
2470 static void lib_link_customdata_mtface(FileData *fd, Mesh *me, CustomData *fdata, int totface)
2471 {
2472         int i;
2473         for(i=0; i<fdata->totlayer; i++) {
2474                 CustomDataLayer *layer = &fdata->layers[i];
2475
2476                 if(layer->type == CD_MTFACE)
2477                         lib_link_mtface(fd, me, layer->data, totface);
2478         }
2479
2480 }
2481
2482 static void lib_link_mesh(FileData *fd, Main *main)
2483 {
2484         Mesh *me;
2485
2486         me= main->mesh.first;
2487         while(me) {
2488                 if(me->id.flag & LIB_NEEDLINK) {
2489                         int i;
2490
2491                         /*Link ID Properties -- and copy this comment EXACTLY for easy finding
2492                         of library blocks that implement this.*/
2493                         if (me->id.properties) IDP_LibLinkProperty(me->id.properties, (fd->flags & FD_FLAGS_SWITCH_ENDIAN), fd);
2494
2495                         /* this check added for python created meshes */
2496                         if(me->mat) {
2497                                 for(i=0; i<me->totcol; i++) {
2498                                         me->mat[i]= newlibadr_us(fd, me->id.lib, me->mat[i]);
2499                                 }
2500                         }
2501                         else me->totcol= 0;
2502
2503                         me->ipo= newlibadr_us(fd, me->id.lib, me->ipo);
2504                         me->key= newlibadr_us(fd, me->id.lib, me->key);
2505                         me->texcomesh= newlibadr_us(fd, me->id.lib, me->texcomesh);
2506
2507                         lib_link_customdata_mtface(fd, me, &me->fdata, me->totface);
2508                         if(me->mr && me->mr->levels.first)
2509                                 lib_link_customdata_mtface(fd, me, &me->mr->fdata,
2510                                                            ((MultiresLevel*)me->mr->levels.first)->totface);
2511
2512                         me->id.flag -= LIB_NEEDLINK;
2513                 }
2514                 me= me->id.next;
2515         }
2516 }
2517
2518 static void direct_link_dverts(FileData *fd, int count, MDeformVert *mdverts)
2519 {
2520         int     i;
2521
2522         if (!mdverts)
2523                 return;
2524
2525         for (i=0; i<count; i++) {
2526                 mdverts[i].dw=newdataadr(fd, mdverts[i].dw);
2527                 if (!mdverts[i].dw)
2528                         mdverts[i].totweight=0;
2529         }
2530 }
2531
2532 static void direct_link_customdata(FileData *fd, CustomData *data, int count)
2533 {
2534         int i = 0;
2535
2536         data->layers= newdataadr(fd, data->layers);
2537
2538         while (i < data->totlayer) {
2539                 CustomDataLayer *layer = &data->layers[i];
2540
2541                 if (CustomData_verify_versions(data, i)) {
2542                         layer->data = newdataadr(fd, layer->data);
2543                         i++;
2544                 }
2545         }
2546 }
2547
2548 static void direct_link_mesh(FileData *fd, Mesh *mesh)
2549 {
2550         mesh->mat= newdataadr(fd, mesh->mat);
2551         test_pointer_array(fd, (void **)&mesh->mat);
2552
2553         mesh->mvert= newdataadr(fd, mesh->mvert);
2554         mesh->medge= newdataadr(fd, mesh->medge);
2555         mesh->mface= newdataadr(fd, mesh->mface);
2556         mesh->tface= newdataadr(fd, mesh->tface);
2557         mesh->mtface= newdataadr(fd, mesh->mtface);
2558         mesh->mcol= newdataadr(fd, mesh->mcol);
2559         mesh->msticky= newdataadr(fd, mesh->msticky);
2560         mesh->dvert= newdataadr(fd, mesh->dvert);
2561
2562         /* Partial-mesh visibility (do this before using totvert, totface, or totedge!) */
2563         mesh->pv= newdataadr(fd, mesh->pv);
2564         if(mesh->pv) {
2565                 mesh->pv->vert_map= newdataadr(fd, mesh->pv->vert_map);
2566                 mesh->pv->edge_map= newdataadr(fd, mesh->pv->edge_map);
2567                 mesh->pv->old_faces= newdataadr(fd, mesh->pv->old_faces);
2568                 mesh->pv->old_edges= newdataadr(fd, mesh->pv->old_edges);
2569         }
2570
2571         /* normally direct_link_dverts should be called in direct_link_customdata,
2572            but for backwards compat in do_versions to work we do it here */
2573         direct_link_dverts(fd, mesh->pv ? mesh->pv->totvert : mesh->totvert, mesh->dvert);
2574
2575         direct_link_customdata(fd, &mesh->vdata, mesh->pv ? mesh->pv->totvert : mesh->totvert);
2576         direct_link_customdata(fd, &mesh->edata, mesh->pv ? mesh->pv->totedge : mesh->totedge);
2577         direct_link_customdata(fd, &mesh->fdata, mesh->pv ? mesh->pv->totface : mesh->totface);
2578
2579         mesh->bb= NULL;
2580         mesh->mselect = NULL;
2581
2582         /* Multires data */
2583         mesh->mr= newdataadr(fd, mesh->mr);
2584         if(mesh->mr) {
2585                 MultiresLevel *lvl;
2586
2587                 link_list(fd, &mesh->mr->levels);
2588                 lvl= mesh->mr->levels.first;
2589
2590                 direct_link_customdata(fd, &mesh->mr->vdata, lvl->totvert);
2591                 direct_link_dverts(fd, lvl->totvert, CustomData_get(&mesh->mr->vdata, 0, CD_MDEFORMVERT));
2592                 direct_link_customdata(fd, &mesh->mr->fdata, lvl->totface);
2593
2594                 if(mesh->mr->edge_flags)
2595                         mesh->mr->edge_flags= newdataadr(fd, mesh->mr->edge_flags);
2596                 if(mesh->mr->edge_creases)
2597                         mesh->mr->edge_creases= newdataadr(fd, mesh->mr->edge_creases);
2598
2599                 if(!mesh->mr->edge_flags)
2600                         mesh->mr->edge_flags= MEM_callocN(sizeof(short)*lvl->totedge, "Multires Edge Flags");
2601                 if(!mesh->mr->edge_creases)
2602                         mesh->mr->edge_creases= MEM_callocN(sizeof(char)*lvl->totedge, "Multires Edge Creases");
2603
2604                 mesh->mr->verts = newdataadr(fd, mesh->mr->verts);
2605
2606                 for(; lvl; lvl= lvl->next) {
2607                         lvl->verts= newdataadr(fd, lvl->verts);
2608                         lvl->faces= newdataadr(fd, lvl->faces);
2609                         lvl->edges= newdataadr(fd, lvl->edges);
2610                         lvl->colfaces= newdataadr(fd, lvl->colfaces);
2611                         lvl->edge_boundary_states= NULL;
2612                         lvl->vert_face_map = lvl->vert_edge_map = NULL;
2613                         lvl->map_mem= NULL;
2614                 }
2615         }
2616
2617         if((fd->flags & FD_FLAGS_SWITCH_ENDIAN) && mesh->tface) {
2618                 TFace *tf= mesh->tface;
2619                 int i;
2620
2621                 for (i=0; i< (mesh->pv ? mesh->pv->totface : mesh->totface); i++, tf++) {
2622                         SWITCH_INT(tf->col[0]);
2623                         SWITCH_INT(tf->col[1]);
2624                         SWITCH_INT(tf->col[2]);
2625                         SWITCH_INT(tf->col[3]);
2626                 }
2627         }
2628 }
2629
2630 /* ************ READ LATTICE ***************** */
2631
2632 static void lib_link_latt(FileData *fd, Main *main)
2633 {
2634         Lattice *lt;
2635
2636         lt= main->latt.first;
2637         while(lt) {
2638                 if(lt->id.flag & LIB_NEEDLINK) {
2639
2640                         lt->ipo= newlibadr_us(fd, lt->id.lib, lt->ipo);
2641                         lt->key= newlibadr_us(fd, lt->id.lib, lt->key);
2642
2643                         lt->id.flag -= LIB_NEEDLINK;
2644                 }
2645                 lt= lt->id.next;
2646         }
2647 }
2648
2649 static void direct_link_latt(FileData *fd, Lattice *lt)
2650 {
2651         lt->def= newdataadr(fd, lt->def);
2652
2653         lt->dvert= newdataadr(fd, lt->dvert);
2654         direct_link_dverts(fd, lt->pntsu*lt->pntsv*lt->pntsw, lt->dvert);
2655 }
2656
2657
2658 /* ************ READ OBJECT ***************** */
2659
2660 static void lib_link_modifiers__linkModifiers(void *userData, Object *ob,
2661                                               ID **idpoin)
2662 {
2663         FileData *fd = userData;
2664
2665         *idpoin = newlibadr(fd, ob->id.lib, *idpoin);
2666         /* hardcoded bad exception; non-object modifier data gets user count (texture, displace) */
2667         if(*idpoin && GS((*idpoin)->name)!=ID_OB)
2668                 (*idpoin)->us++;
2669 }
2670 static void lib_link_modifiers(FileData *fd, Object *ob)
2671 {
2672         modifiers_foreachIDLink(ob, lib_link_modifiers__linkModifiers, fd);
2673 }
2674
2675 static void lib_link_object(FileData *fd, Main *main)
2676 {
2677         Object *ob;
2678         PartEff *paf;
2679         bSensor *sens;
2680         bController *cont;
2681         bActuator *act;
2682         void *poin;
2683         int warn=0, a;
2684
2685         ob= main->object.first;
2686         while(ob) {
2687                 if(ob->id.flag & LIB_NEEDLINK) {
2688                         if (ob->id.properties) IDP_LibLinkProperty(ob->id.properties, (fd->flags & FD_FLAGS_SWITCH_ENDIAN), fd);
2689
2690                         ob->parent= newlibadr(fd, ob->id.lib, ob->parent);
2691                         ob->track= newlibadr(fd, ob->id.lib, ob->track);
2692                         ob->ipo= newlibadr_us(fd, ob->id.lib, ob->ipo);
2693                         ob->action = newlibadr_us(fd, ob->id.lib, ob->action);
2694                         ob->dup_group= newlibadr_us(fd, ob->id.lib, ob->dup_group);
2695
2696                         ob->proxy= newlibadr_us(fd, ob->id.lib, ob->proxy);
2697                         if(ob->proxy) {
2698                                 /* paranoia check, actually a proxy_from pointer should never be written... */
2699                                 if(ob->proxy->id.lib==NULL) {
2700                                         ob->proxy->proxy_from= NULL;
2701                                         ob->proxy= NULL;
2702                                 }
2703                                 else {
2704                                         /* this triggers object_update to always use a copy */
2705                                         ob->proxy->proxy_from= ob;
2706                                         /* force proxy updates after load/undo, a bit weak */
2707                                         ob->recalc= ob->proxy->recalc= OB_RECALC;
2708                                 }
2709                         }
2710                         ob->proxy_group= newlibadr(fd, ob->id.lib, ob->proxy_group);
2711
2712                         poin= ob->data;
2713                         ob->data= newlibadr_us(fd, ob->id.lib, ob->data);
2714
2715                         if(ob->data==NULL && poin!=NULL) {
2716                                 ob->type= OB_EMPTY;
2717                                 warn= 1;
2718                                 if(ob->id.lib) printf("Can't find obdata of %s lib %s\n", ob->id.name+2, ob->id.lib->name);
2719                                 else printf("Object %s lost data.", ob->id.name+2);
2720
2721                                 if(ob->pose) {
2722                                         free_pose_channels(ob->pose);
2723                                         MEM_freeN(ob->pose);
2724                                         ob->pose= NULL;
2725                                         ob->flag &= ~OB_POSEMODE;
2726                                 }
2727                         }
2728                         for(a=0; a<ob->totcol; a++) ob->mat[a]= newlibadr_us(fd, ob->id.lib, ob->mat[a]);
2729
2730                         ob->id.flag -= LIB_NEEDLINK;
2731                         /* if id.us==0 a new base will be created later on */
2732
2733                         /* WARNING! Also check expand_object(), should reflect the stuff below. */
2734                         lib_link_pose(fd, ob, ob->pose);
2735                         lib_link_constraints(fd, &ob->id, &ob->constraints);
2736                         lib_link_nlastrips(fd, &ob->id, &ob->nlastrips);
2737                         lib_link_constraint_channels(fd, &ob->id, &ob->constraintChannels);
2738
2739                         for(paf= ob->effect.first; paf; paf= paf->next) {
2740                                 if(paf->type==EFF_PARTICLE) {
2741                                         paf->group= newlibadr_us(fd, ob->id.lib, paf->group);
2742                                 }
2743                         }
2744
2745                         sens= ob->sensors.first;
2746                         while(sens) {
2747                                 if(ob->id.lib==NULL) {  // done in expand_main
2748                                         for(a=0; a<sens->totlinks; a++) {
2749                                                 sens->links[a]= newglobadr(fd, sens->links[a]);
2750                                         }
2751                                 }
2752                                 if(sens->type==SENS_TOUCH) {
2753                                         bTouchSensor *ts= sens->data;
2754                                         ts->ma= newlibadr(fd, ob->id.lib, ts->ma);
2755                                 }
2756                                 else if(sens->type==SENS_MESSAGE) {
2757                                         bMessageSensor *ms= sens->data;
2758                                         ms->fromObject=
2759                                             newlibadr(fd, ob->id.lib, ms->fromObject);
2760                                 }
2761                                 sens= sens->next;
2762                         }
2763
2764                         cont= ob->controllers.first;
2765                         while(cont) {
2766                                 if(ob->id.lib==NULL) {  // done in expand_main
2767                                         for(a=0; a<cont->totlinks; a++) {
2768                                                 cont->links[a]= newglobadr(fd, cont->links[a]);
2769                                         }
2770                                 }
2771                                 if(cont->type==CONT_PYTHON) {
2772                                         bPythonCont *pc= cont->data;
2773                                         pc->text= newlibadr(fd, ob->id.lib, pc->text);
2774                                 }
2775                                 cont->slinks= NULL;
2776                                 cont->totslinks= 0;
2777
2778                                 cont= cont->next;
2779                         }
2780
2781                         act= ob->actuators.first;
2782                         while(act) {
2783                                 if(act->type==ACT_SOUND) {
2784                                         bSoundActuator *sa= act->data;
2785                                         sa->sound= newlibadr_us(fd, ob->id.lib, sa->sound);
2786                                 }
2787                                 else if(act->type==ACT_CD) {
2788                                         /* bCDActuator *cda= act->data; */
2789                                 }
2790                                 else if(act->type==ACT_GAME) {
2791                                         /* bGameActuator *ga= act->data; */
2792                                 }
2793                                 else if(act->type==ACT_CAMERA) {
2794                                         bCameraActuator *ca= act->data;
2795                                         ca->ob= newlibadr(fd, ob->id.lib, ca->ob);
2796                                 }
2797                                         /* leave this one, it's obsolete but necessary to read for conversion */
2798                                 else if(act->type==ACT_ADD_OBJECT) {
2799                                         bAddObjectActuator *eoa= act->data;
2800                                         if(eoa) eoa->ob= newlibadr(fd, ob->id.lib, eoa->ob);
2801                                 }
2802                                 else if(act->type==ACT_EDIT_OBJECT) {
2803                                         bEditObjectActuator *eoa= act->data;
2804                                         if(eoa==NULL) {
2805                                                 init_actuator(act);
2806                                         }
2807                                         else {
2808                                                 eoa->ob= newlibadr(fd, ob->id.lib, eoa->ob);
2809                                                 eoa->me= newlibadr(fd, ob->id.lib, eoa->me);
2810                                         }
2811                                 }
2812                                 else if(act->type==ACT_SCENE) {
2813                                         bSceneActuator *sa= act->data;
2814                                         sa->camera= newlibadr(fd, ob->id.lib, sa->camera);
2815                                         sa->scene= newlibadr(fd, ob->id.lib, sa->scene);
2816                                 }
2817                                 else if(act->type==ACT_ACTION) {
2818                                         bActionActuator *aa= act->data;
2819                                         aa->act= newlibadr(fd, ob->id.lib, aa->act);
2820                                 }
2821                                 else if(act->type==ACT_PROPERTY) {
2822                                         bPropertyActuator *pa= act->data;
2823                                         pa->ob= newlibadr(fd, ob->id.lib, pa->ob);
2824                                 }
2825                                 else if(act->type==ACT_MESSAGE) {
2826                                         bMessageActuator *ma= act->data;
2827                                         ma->toObject= newlibadr(fd, ob->id.lib, ma->toObject);
2828                                 }
2829                                 act= act->next;
2830                         }
2831
2832                         if(ob->fluidsimSettings) {
2833                                 ob->fluidsimSettings->ipo = newlibadr_us(fd, ob->id.lib, ob->fluidsimSettings->ipo);
2834                         }
2835
2836                         lib_link_scriptlink(fd, &ob->id, &ob->scriptlink);
2837                         lib_link_modifiers(fd, ob);
2838                 }
2839                 ob= ob->id.next;
2840         }
2841
2842         if(warn) error("WARNING IN CONSOLE");
2843 }
2844
2845
2846 static void direct_link_pose(FileData *fd, bPose *pose) {
2847
2848         bPoseChannel *pchan;
2849
2850         if (!pose)
2851                 return;
2852
2853         link_list(fd, &pose->chanbase);
2854
2855         for (pchan = pose->chanbase.first; pchan; pchan=pchan->next) {
2856                 pchan->bone= NULL;
2857                 pchan->parent= newdataadr(fd, pchan->parent);
2858                 pchan->child= newdataadr(fd, pchan->child);
2859                 direct_link_constraints(fd, &pchan->constraints);
2860                 pchan->iktree.first= pchan->iktree.last= NULL;
2861                 pchan->path= NULL;
2862         }
2863
2864 }
2865
2866 static void direct_link_modifiers(FileData *fd, ListBase *lb)
2867 {
2868         ModifierData *md;
2869
2870         link_list(fd, lb);
2871
2872         for (md=lb->first; md; md=md->next) {
2873                 md->error = NULL;
2874
2875                 /* if modifiers disappear, or for upward compatibility */
2876                 if(NULL==modifierType_getInfo(md->type))
2877                         md->type= eModifierType_None;
2878
2879                 if (md->type==eModifierType_Subsurf) {
2880                         SubsurfModifierData *smd = (SubsurfModifierData*) md;
2881
2882                         smd->emCache = smd->mCache = 0;
2883                 }
2884                 else if (md->type==eModifierType_Cloth) {
2885                    ClothModifierData    *clmd = (ClothModifierData*) md;
2886
2887                    clmd->clothObject = NULL;
2888
2889                    clmd->sim_parms= newdataadr(fd, clmd->sim_parms);
2890                    clmd->coll_parms= newdataadr(fd, clmd->coll_parms);
2891
2892                 }
2893                 else if (md->type==eModifierType_Collision) {
2894                         CollisionModifierData *collmd = (CollisionModifierData*) md;
2895
2896                         collmd->x = NULL;
2897                         collmd->xnew = NULL;
2898                         collmd->current_x = NULL;
2899                         collmd->current_xnew = NULL;
2900                         collmd->time = -1;
2901                         collmd->numverts = 0;
2902                         collmd->tree = NULL;
2903                 }
2904                 else if (md->type==eModifierType_Hook) {
2905                         HookModifierData *hmd = (HookModifierData*) md;
2906
2907                         hmd->indexar= newdataadr(fd, hmd->indexar);
2908                         if(fd->flags & FD_FLAGS_SWITCH_ENDIAN) {
2909                                 int a;
2910                                 for(a=0; a<hmd->totindex; a++) {
2911                                         SWITCH_INT(hmd->indexar[a]);
2912                                 }
2913                         }
2914                 }
2915                 else if (md->type==eModifierType_MeshDeform) {
2916                         MeshDeformModifierData *mmd = (MeshDeformModifierData*) md;
2917
2918                         mmd->bindweights= newdataadr(fd, mmd->bindweights);
2919                         mmd->bindcos= newdataadr(fd, mmd->bindcos);
2920                         mmd->dyngrid= newdataadr(fd, mmd->dyngrid);
2921                         mmd->dyninfluences= newdataadr(fd, mmd->dyninfluences);
2922                         mmd->dynverts= newdataadr(fd, mmd->dynverts);
2923
2924                         if(fd->flags & FD_FLAGS_SWITCH_ENDIAN) {
2925                                 int a;
2926
2927                                 if(mmd->bindweights)
2928                                         for(a=0; a<mmd->totcagevert*mmd->totvert; a++)
2929                                                 SWITCH_INT(mmd->bindweights[a])
2930                                 if(mmd->bindcos)
2931                                         for(a=0; a<mmd->totcagevert*3; a++)
2932                                                 SWITCH_INT(mmd->bindcos[a])
2933                                 if(mmd->dynverts)
2934                                         for(a=0; a<mmd->totvert; a++)
2935                                                 SWITCH_INT(mmd->dynverts[a])
2936                         }
2937                 }
2938         }
2939 }
2940
2941 static void direct_link_nlastrips(FileData *fd, ListBase *strips)
2942 {
2943         bActionStrip *strip;
2944
2945         link_list(fd, strips);
2946
2947         for(strip= strips->first; strip; strip= strip->next)
2948                 link_list(fd, &strip->modifiers);
2949 }
2950
2951 static void direct_link_object(FileData *fd, Object *ob)
2952 {
2953         PartEff *paf;
2954         bProperty *prop;
2955         bSensor *sens;
2956         bController *cont;
2957         bActuator *act;
2958         int a;
2959
2960         /* weak weak... this was only meant as draw flag, now is used in give_base too */
2961         ob->flag &= ~OB_FROMGROUP;
2962
2963         ob->disp.first=ob->disp.last= NULL;
2964
2965         ob->pose= newdataadr(fd, ob->pose);
2966         direct_link_pose(fd, ob->pose);
2967
2968         link_list(fd, &ob->defbase);
2969         direct_link_nlastrips(fd, &ob->nlastrips);
2970         link_list(fd, &ob->constraintChannels);
2971
2972         direct_link_scriptlink(fd, &ob->scriptlink);
2973
2974         ob->mat= newdataadr(fd, ob->mat);
2975         test_pointer_array(fd, (void **)&ob->mat);
2976
2977         /* do it here, below old data gets converted */
2978         direct_link_modifiers(fd, &ob->modifiers);
2979
2980         link_list(fd, &ob->effect);
2981         paf= ob->effect.first;
2982         while(paf) {
2983                 if(paf->type==EFF_PARTICLE) {
2984                         paf->keys= NULL;
2985                 }
2986                 if(paf->type==EFF_WAVE) {
2987                         WaveEff *wav = (WaveEff*) paf;
2988                         PartEff *next = paf->next;
2989                         WaveModifierData *wmd = (WaveModifierData*) modifier_new(eModifierType_Wave);
2990
2991                         wmd->damp = wav->damp;
2992                         wmd->flag = wav->flag;
2993                         wmd->height = wav->height;
2994                         wmd->lifetime = wav->lifetime;
2995                         wmd->narrow = wav->narrow;
2996                         wmd->speed = wav->speed;
2997                         wmd->startx = wav->startx;
2998                         wmd->starty = wav->startx;
2999                         wmd->timeoffs = wav->timeoffs;
3000                         wmd->width = wav->width;
3001
3002                         BLI_addtail(&ob->modifiers, wmd);
3003
3004                         BLI_remlink(&ob->effect, paf);
3005                         MEM_freeN(paf);
3006
3007                         paf = next;
3008                         continue;
3009                 }
3010                 if(paf->type==EFF_BUILD) {
3011                         BuildEff *baf = (BuildEff*) paf;
3012                         PartEff *next = paf->next;
3013                         BuildModifierData *bmd = (BuildModifierData*) modifier_new(eModifierType_Build);
3014
3015                         bmd->start = baf->sfra;
3016                         bmd->length = baf->len;
3017                         bmd->randomize = 0;
3018                         bmd->seed = 1;
3019
3020                         BLI_addtail(&ob->modifiers, bmd);
3021
3022                         BLI_remlink(&ob->effect, paf);
3023                         MEM_freeN(paf);
3024
3025                         paf = next;
3026                         continue;
3027                 }
3028                 paf= paf->next;
3029         }
3030
3031         ob->pd= newdataadr(fd, ob->pd);
3032         ob->soft= newdataadr(fd, ob->soft);
3033         if(ob->soft) {
3034                 SoftBody *sb= ob->soft;
3035
3036                 sb->bpoint= NULL;       // init pointers so it gets rebuilt nicely
3037                 sb->bspring= NULL;
3038                 sb->scratch= NULL;
3039
3040                 sb->keys= newdataadr(fd, sb->keys);
3041                 test_pointer_array(fd, (void **)&sb->keys);
3042                 if(sb->keys) {
3043                         for(a=0; a<sb->totkey; a++) {
3044                                 sb->keys[a]= newdataadr(fd, sb->keys[a]);
3045                         }
3046                 }
3047         }
3048         ob->fluidsimSettings= newdataadr(fd, ob->fluidsimSettings); /* NT */
3049         if(ob->fluidsimSettings) {
3050                 // reinit mesh pointers
3051                 ob->fluidsimSettings->orgMesh = NULL; //ob->data;
3052                 ob->fluidsimSettings->meshSurface = NULL;
3053                 ob->fluidsimSettings->meshBB = NULL;
3054                 ob->fluidsimSettings->meshSurfNormals = NULL;
3055         }
3056
3057         link_list(fd, &ob->prop);
3058         prop= ob->prop.first;
3059         while(prop) {
3060                 prop->poin= newdataadr(fd, prop->poin);
3061                 if(prop->poin==0) prop->poin= &prop->data;
3062                 prop= prop->next;
3063         }
3064
3065         link_list(fd, &ob->sensors);
3066         sens= ob->sensors.first;
3067         while(sens) {
3068                 sens->data= newdataadr(fd, sens->data);
3069                 sens->links= newdataadr(fd, sens->links);
3070                 test_pointer_array(fd, (void **)&sens->links);
3071                 sens= sens->next;
3072         }
3073
3074         direct_link_constraints(fd, &ob->constraints);
3075
3076         link_glob_list(fd, &ob->controllers);
3077         cont= ob->controllers.first;
3078         while(cont) {
3079                 cont->data= newdataadr(fd, cont->data);
3080                 cont->links= newdataadr(fd, cont->links);
3081                 test_pointer_array(fd, (void **)&cont->links);
3082                 cont= cont->next;
3083         }
3084
3085         link_glob_list(fd, &ob->actuators);
3086         act= ob->actuators.first;
3087         while(act) {
3088                 act->data= newdataadr(fd, act->data);
3089                 act= act->next;
3090         }
3091
3092         link_list(fd, &ob->hooks);
3093         while (ob->hooks.first) {
3094                 ObHook *hook = ob->hooks.first;
3095                 HookModifierData *hmd = (HookModifierData*) modifier_new(eModifierType_Hook);
3096
3097                 hook->indexar= newdataadr(fd, hook->indexar);
3098                 if(fd->flags & FD_FLAGS_SWITCH_ENDIAN) {
3099                         int a;
3100                         for(a=0; a<hook->totindex; a++) {
3101                                 SWITCH_INT(hook->indexar[a]);
3102                         }
3103                 }
3104
3105                         /* Do conversion here because if we have loaded
3106                          * a hook we need to make sure it gets converted
3107                          * and free'd, regardless of version.
3108                          */
3109                 VECCOPY(hmd->cent, hook->cent);
3110                 hmd->falloff = hook->falloff;
3111                 hmd->force = hook->force;
3112                 hmd->indexar = hook->indexar;
3113                 hmd->object = hook->parent;
3114                 memcpy(hmd->parentinv, hook->parentinv, sizeof(hmd->parentinv));
3115                 hmd->totindex = hook->totindex;
3116
3117                 BLI_addhead(&ob->modifiers, hmd);
3118                 BLI_remlink(&ob->hooks, hook);
3119
3120                 MEM_freeN(hook);
3121         }
3122
3123         ob->bb= NULL;
3124         ob->derivedDeform= NULL;
3125         ob->derivedFinal= NULL;
3126 }
3127
3128 /* ************ READ SCENE ***************** */
3129
3130 static void lib_link_scene(FileData *fd, Main *main)
3131 {
3132         Scene *sce;
3133         Base *base, *next;
3134         Editing *ed;
3135         Sequence *seq;
3136         SceneRenderLayer *srl;
3137         int a;
3138
3139         sce= main->scene.first;
3140         while(sce) {
3141                 if(sce->id.flag & LIB_NEEDLINK) {
3142                         /*Link ID Properties -- and copy this comment EXACTLY for easy finding
3143                         of library blocks that implement this.*/
3144                         if (sce->id.properties) IDP_LibLinkProperty(sce->id.properties, (fd->flags & FD_FLAGS_SWITCH_ENDIAN), fd);
3145
3146                         sce->camera= newlibadr(fd, sce->id.lib, sce->camera);
3147                         sce->world= newlibadr_us(fd, sce->id.lib, sce->world);
3148                         sce->set= newlibadr(fd, sce->id.lib, sce->set);
3149                         sce->ima= newlibadr_us(fd, sce->id.lib, sce->ima);
3150                         sce->toolsettings->imapaint.brush=
3151                                 newlibadr_us(fd, sce->id.lib, sce->toolsettings->imapaint.brush);
3152
3153                         /* Sculptdata textures */
3154                         for(a=0; a<MAX_MTEX; ++a) {
3155                                 MTex *mtex= sce->sculptdata.mtex[a];
3156                                 if(mtex)
3157                                         mtex->tex= newlibadr_us(fd, sce->id.lib, mtex->tex);
3158                         }
3159
3160                         for(base= sce->base.first; base; base= next) {
3161                                 next= base->next;
3162
3163                                 /* base->object= newlibadr_us(fd, sce->id.lib, base->object); */
3164                                 base->object= newlibadr_us(fd, sce->id.lib, base->object);
3165
3166                                 /* when save during radiotool, needs cleared */
3167                                 base->flag &= ~OB_RADIO;
3168
3169                                 if(base->object==NULL) {
3170                                         printf("LIB ERROR: base removed\n");