8602092405fb82700912474d62645294d859963a
[blender.git] / source / blender / blenloader / intern / readfile.c
1 /*
2  * readfile.c
3  *
4  * .blend file reading
5  *
6  * $Id$
7  *
8  * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
9  *
10  * This program is free software; you can redistribute it and/or
11  * modify it under the terms of the GNU General Public License
12  * as published by the Free Software Foundation; either version 2
13  * of the License, or (at your option) any later version. The Blender
14  * Foundation also sells licenses for use in proprietary software under
15  * the Blender License.  See http://www.blender.org/BL/ for information
16  * about this.
17  *
18  * This program is distributed in the hope that it will be useful,
19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
21  * GNU General Public License for more details.
22  *
23  * You should have received a copy of the GNU General Public License
24  * along with this program; if not, write to the Free Software Foundation,
25  * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
26  *
27  * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
28  * All rights reserved.
29  *
30  * The Original Code is: all of this file.
31  *
32  * Contributor(s): none yet.
33  *
34  * ***** END GPL/BL DUAL LICENSE BLOCK *****
35  *
36  */
37
38 #ifdef HAVE_CONFIG_H
39 #include <config.h>
40 #endif
41
42 #ifdef WIN32
43 #include "winsock2.h"
44 #include "BLI_winstuff.h"
45 #endif
46
47 #include <stdio.h> // for printf fopen fwrite fclose sprintf FILE
48 #include <stdlib.h> // for getenv atoi
49 #include <fcntl.h> // for open
50 #include <string.h> // for strrchr strncmp strstr
51 #include <math.h> // for fabs
52
53 #ifndef WIN32
54     #include <unistd.h> // for read close
55     #include <sys/param.h> // for MAXPATHLEN
56 #else
57     #include <io.h> // for open close read
58 #endif
59
60 #include "nla.h"
61
62 #include "DNA_action_types.h"
63 #include "DNA_armature_types.h"
64 #include "DNA_ID.h"
65 #include "DNA_actuator_types.h"
66 #include "DNA_camera_types.h"
67 #include "DNA_controller_types.h"
68 #include "DNA_constraint_types.h"
69 #include "DNA_curve_types.h"
70 #include "DNA_effect_types.h"
71 #include "DNA_fileglobal_types.h"
72 #include "DNA_group_types.h"
73 #include "DNA_ipo_types.h"
74 #include "DNA_ika_types.h"
75 #include "DNA_image_types.h"
76 #include "DNA_key_types.h"
77 #include "DNA_lattice_types.h"
78 #include "DNA_lamp_types.h"
79 #include "DNA_meta_types.h"
80 #include "DNA_material_types.h"
81 #include "DNA_mesh_types.h"
82 #include "DNA_meshdata_types.h"
83 #include "DNA_nla_types.h"
84 #include "DNA_object_types.h"
85 #include "DNA_object_force.h"
86 #include "DNA_oops_types.h"
87 #include "DNA_object_force.h"
88 #include "DNA_packedFile_types.h"
89 #include "DNA_property_types.h"
90 #include "DNA_text_types.h"
91 #include "DNA_view3d_types.h"
92 #include "DNA_screen_types.h"
93 #include "DNA_sensor_types.h"
94 #include "DNA_sdna_types.h"
95 #include "DNA_scene_types.h"
96 #include "DNA_sequence_types.h"
97 #include "DNA_sound_types.h"
98 #include "DNA_space_types.h"
99 #include "DNA_texture_types.h"
100 #include "DNA_userdef_types.h"
101 #include "DNA_vfont_types.h"
102 #include "DNA_world_types.h"
103
104 #include "MEM_guardedalloc.h"
105 #include "BLI_blenlib.h"
106 #include "BLI_arithb.h"
107 #include "BLI_storage_types.h" // for relname flags
108
109 #include "BKE_bad_level_calls.h" // for reopen_text build_seqar (from WHILE_SEQ) open_plugin_seq set_rects_butspace check_imasel_copy
110
111 #include "BKE_armature.h"       //      for precalc_bonelist_irestmats
112 #include "BKE_action.h"
113 #include "BKE_constraint.h"
114 #include "BKE_curve.h"
115 #include "BKE_deform.h"
116 #include "BKE_effect.h" // for give_parteff
117 #include "BKE_global.h" // for G
118 #include "BKE_property.h" // for get_property
119 #include "BKE_library.h" // for wich_libbase
120 #include "BKE_main.h" // for Main
121 #include "BKE_mesh.h" // for ME_ defines (patching)
122 #include "BKE_object.h"
123 #include "BKE_sca.h" // for init_actuator
124 #include "BKE_scene.h"
125 #include "BKE_softbody.h"       // sbNew()
126 #include "BKE_texture.h" // for open_plugin_tex
127 #include "BKE_utildefines.h" // SWITCH_INT DATA ENDB DNA1 O_BINARY GLOB USER TEST REND
128
129 #include "BIF_butspace.h" // for do_versions, patching event codes
130
131 #include "BLO_readfile.h"
132 #include "BLO_undofile.h"
133 #include "BLO_readblenfile.h" // streaming read pipe, for BLO_readblenfile BLO_readblenfilememory
134
135 #include "readfile.h"
136
137 #include "genfile.h"
138
139 #include "mydevice.h"
140 #include "blendef.h"
141
142 /*
143  Remark: still a weak point is the newadress() function, that doesnt solve reading from
144  multiple files at the same time
145
146  (added remark: oh, i thought that was solved? will look at that... (ton)
147
148 READ
149 - Existing Library (Main) push or free
150 - allocate new Main
151 - load file
152 - read SDNA
153 - for each LibBlock
154         - read LibBlock
155         - if a Library
156                 - make a new Main
157                 - attach ID's to it
158         - else
159                 - read associated 'direct data'
160                 - link direct data (internal and to LibBlock)
161 - read FileGlobal
162 - read USER data, only when indicated (file is ~/.B.blend)
163 - free file
164 - per Library (per Main)
165         - read file
166         - read SDNA
167         - find LibBlocks and attach IDs to Main
168                 - if external LibBlock
169                         - search all Main's
170                                 - or it's already read,
171                                 - or not read yet
172                                 - or make new Main
173         - per LibBlock
174                 - read recursive
175                 - read associated direct data
176                 - link direct data (internal and to LibBlock)
177         - free file
178 - per Library with unread LibBlocks
179         - read file
180         - read SDNA
181         - per LibBlock
182                - read recursive
183                - read associated direct data
184                - link direct data (internal and to LibBlock)
185         - free file
186 - join all Mains
187 - link all LibBlocks and indirect pointers to libblocks
188 - initialize FileGlobal and copy pointers to Global
189 */
190
191 /* also occurs in library.c */
192 /* GS reads the memory pointed at in a specific ordering. There are,
193  * however two definitions for it. I have jotted them down here, both,
194  * but I think the first one is actually used. The thing is that
195  * big-endian systems might read this the wrong way round. OTOH, we
196  * constructed the IDs that are read out with this macro explicitly as
197  * well. I expect we'll sort it out soon... */
198
199 /* from blendef: */
200 #define GS(a)   (*((short *)(a)))
201
202 /* from misc_util: flip the bytes from x  */
203 /*  #define GS(x) (((unsigned char *)(x))[0] << 8 | ((unsigned char *)(x))[1]) */
204
205 // only used here in readfile.c
206 #define SWITCH_LONGINT(a) { \
207     char s_i, *p_i; \
208     p_i= (char *)&(a);  \
209     s_i=p_i[0]; p_i[0]=p_i[7]; p_i[7]=s_i; \
210     s_i=p_i[1]; p_i[1]=p_i[6]; p_i[6]=s_i; \
211     s_i=p_i[2]; p_i[2]=p_i[5]; p_i[5]=s_i; \
212     s_i=p_i[3]; p_i[3]=p_i[4]; p_i[4]=s_i; }
213 // only used here in readfile.c
214 #define SWITCH_SHORT(a) { \
215     char s_i, *p_i; \
216     p_i= (char *)&(a); \
217     s_i=p_i[0]; p_i[0]=p_i[1]; p_i[1]=s_i; }
218
219
220 /***/
221
222 typedef struct OldNew {
223         void *old, *newp;
224         int nr;
225 } OldNew;
226
227 typedef struct OldNewMap {
228         OldNew *entries;
229         int nentries, entriessize;
230
231         int lasthit;
232 } OldNewMap;
233
234
235 /* local prototypes */
236 void lib_link_screen_restore(Main *, char , Scene *);
237 extern          short freeN(void *vmemh); /* defined in util.h */  
238
239
240 static OldNewMap *oldnewmap_new(void) {
241         OldNewMap *onm= MEM_mallocN(sizeof(*onm), "OldNewMap");
242         onm->lasthit= 0;
243         onm->nentries= 0;
244         onm->entriessize= 1024;
245         onm->entries= MEM_mallocN(sizeof(*onm->entries)*onm->entriessize, "OldNewMap.entries");
246
247         return onm;
248 }
249
250 static void oldnewmap_insert(OldNewMap *onm, void *oldaddr, void *newaddr, int nr) {
251         OldNew *entry;
252
253         if (onm->nentries==onm->entriessize) {
254                 int osize= onm->entriessize;
255                 OldNew *oentries= onm->entries;
256
257                 onm->entriessize*= 2;
258                 onm->entries= MEM_mallocN(sizeof(*onm->entries)*onm->entriessize, "OldNewMap.entries");
259
260                 memcpy(onm->entries, oentries, sizeof(*oentries)*osize);
261                 MEM_freeN(oentries);
262         }
263
264         entry= &onm->entries[onm->nentries++];
265         entry->old= oldaddr;
266         entry->newp= newaddr;
267         entry->nr= nr;
268 }
269
270 static void *oldnewmap_lookup_and_inc(OldNewMap *onm, void *addr) {
271         int i;
272
273         if (onm->lasthit<onm->nentries-1) {
274                 OldNew *entry= &onm->entries[++onm->lasthit];
275
276                 if (entry->old==addr) {
277                         entry->nr++;
278                         return entry->newp;
279                 }
280         }
281
282         for (i=0; i<onm->nentries; i++) {
283                 OldNew *entry= &onm->entries[i];
284
285                 if (entry->old==addr) {
286                         onm->lasthit= i;
287
288                         entry->nr++;
289                         return entry->newp;
290                 }
291         }
292
293         return NULL;
294 }
295
296 static void *oldnewmap_liblookup_and_inc(OldNewMap *onm, void *addr, void *lib) {
297         int i;
298
299         if (onm->lasthit<onm->nentries-1) {
300                 OldNew *entry= &onm->entries[++onm->lasthit];
301
302                 if (entry->old==addr) {
303                         ID *id= entry->newp;
304
305                         if (id && (!lib || id->lib)) {
306                                 entry->nr++;
307
308                                 return entry->newp;
309                         }
310                 }
311         }
312
313         for (i=0; i<onm->nentries; i++) {
314                 OldNew *entry= &onm->entries[i];
315
316                 if (entry->old==addr) {
317                         ID *id= entry->newp;
318
319                         if (id && (!lib || id->lib)) {
320                                 entry->nr++;
321
322                                 return entry->newp;
323                         }
324                 }
325         }
326
327         return NULL;
328 }
329
330 static void *oldnewmap_typelookup_and_inc(OldNewMap *onm, void *addr, short type) {
331         int i;
332
333         if (onm->lasthit<onm->nentries-1) {
334                 OldNew *entry= &onm->entries[++onm->lasthit];
335
336                 if (entry->old==addr) {
337                         ID *id= entry->newp;
338
339                         if (id && (GS(id->name) == type)) {
340                                 entry->nr++;
341
342                                 return entry->newp;
343                         }
344                 }
345         }
346
347         for (i=0; i<onm->nentries; i++) {
348                 OldNew *entry= &onm->entries[i];
349
350                 if (entry->old==addr) {
351                         ID *id= entry->newp;
352
353                         if (id && (GS(id->name) == type)) {
354                                 entry->nr++;
355
356                                 return entry->newp;
357                         }
358                 }
359         }
360
361         return NULL;
362 }
363
364 static void oldnewmap_free_unused(OldNewMap *onm) {
365         int i;
366
367         for (i=0; i<onm->nentries; i++) {
368                 OldNew *entry= &onm->entries[i];
369                 if (entry->nr==0) {
370                         MEM_freeN(entry->newp);
371                         entry->newp= NULL;
372                 }
373         }
374 }
375
376 static void oldnewmap_clear(OldNewMap *onm) {
377         onm->nentries= 0;
378         onm->lasthit= 0;
379 }
380
381 static void oldnewmap_free(OldNewMap *onm) {
382         MEM_freeN(onm->entries);
383         MEM_freeN(onm);
384 }
385
386 /***/
387
388 static void read_libraries(FileData *basefd, ListBase *mainlist);
389
390 /* ************ help functions ***************** */
391
392 static void add_main_to_main(Main *mainvar, Main *from)
393 {
394         ListBase *lbarray[100], *fromarray[100];        // define in library.c too
395         int a;
396
397         a= set_listbasepointers(mainvar, lbarray);
398         a= set_listbasepointers(from, fromarray);
399         while(a--) {
400                 addlisttolist(lbarray[a], fromarray[a]);
401         }
402 }
403
404 void blo_join_main(ListBase *mainlist)
405 {
406         Main *tojoin, *mainl= mainlist->first;
407
408         while ((tojoin= mainl->next)) {
409                 add_main_to_main(mainl, tojoin);
410                 BLI_remlink(mainlist, tojoin);
411                 MEM_freeN(tojoin);
412         }
413 }
414
415 static void split_libdata(ListBase *lb, Main *first)
416 {
417         ListBase *lbn;
418         ID *id, *idnext;
419         Main *mainvar;
420
421         id= lb->first;
422         while(id) {
423                 idnext= id->next;
424                 if(id->lib) {
425                         mainvar= first;
426                         while(mainvar) {
427                                 if(mainvar->curlib==id->lib) {
428                                         lbn= wich_libbase(mainvar, GS(id->name));
429                                         BLI_remlink(lb, id);
430                                         BLI_addtail(lbn, id);
431                                         break;
432                                 }
433                                 mainvar= mainvar->next;
434                         }
435                         if(mainvar==0) printf("error split_libdata\n");
436                 }
437                 id= idnext;
438         }
439 }
440
441 void blo_split_main(ListBase *mainlist)
442 {
443         Main *mainl= mainlist->first;
444         ListBase *lbarray[30];
445         Library *lib;
446         int i;
447
448         for (lib= mainl->library.first; lib; lib= lib->id.next) {
449                 Main *libmain= MEM_callocN(sizeof(Main), "libmain");
450                 libmain->curlib= lib;
451
452                 BLI_addtail(mainlist, libmain);
453         }
454
455         i= set_listbasepointers(mainl, lbarray);
456         while(i--)
457                 split_libdata(lbarray[i], mainl->next);
458 }
459
460 static Main *blo_find_main(ListBase *mainlist, char *name)
461 {
462         Main *m;
463         Library *lib;
464         char name1[FILE_MAXDIR+FILE_MAXFILE];
465         char libname1[FILE_MAXDIR+FILE_MAXFILE];
466
467         /* name can be stringcode too */
468         strcpy(name1, name);
469         BLI_convertstringcode(name1, G.sce, 0);
470
471         for (m= mainlist->first; m; m= m->next) {
472                 char *libname= (m->curlib)?m->curlib->name:m->name;
473                 
474                 strcpy(libname1, libname);
475                 BLI_convertstringcode(libname1, G.sce, 0);
476                 
477                 if (BLI_streq(name1, libname1))
478                         return m;
479         }
480
481         m= MEM_callocN(sizeof(Main), "find_main");
482         BLI_addtail(mainlist, m);
483
484         lib= alloc_libblock(&m->library, ID_LI, "lib");
485         strcpy(lib->name, name);
486         m->curlib= lib;
487
488         return m;
489 }
490
491
492 /* ************ FILE PARSING ****************** */
493
494 static void switch_endian_bh4(BHead4 *bhead)
495 {
496         /* the ID_.. codes */
497         if((bhead->code & 0xFFFF)==0) bhead->code >>=16;
498
499         if (bhead->code != ENDB) {
500                 SWITCH_INT(bhead->len);
501                 SWITCH_INT(bhead->SDNAnr);
502                 SWITCH_INT(bhead->nr);
503         }
504 }
505
506 static void switch_endian_bh8(BHead8 *bhead)
507 {
508         /* the ID_.. codes */
509         if((bhead->code & 0xFFFF)==0) bhead->code >>=16;
510
511         if (bhead->code != ENDB) {
512                 SWITCH_INT(bhead->len);
513                 SWITCH_INT(bhead->SDNAnr);
514                 SWITCH_INT(bhead->nr);
515         }
516 }
517
518 static void bh4_from_bh8(BHead *bhead, BHead8 *bhead8, int do_endian_swap)
519 {
520         BHead4 *bhead4 = (BHead4 *) bhead;
521 #if defined(WIN32) && !defined(FREE_WINDOWS)
522         __int64 old;
523 #else
524         long long old;
525 #endif
526
527         bhead4->code= bhead8->code;
528         bhead4->len= bhead8->len;
529
530         if (bhead4->code != ENDB) {
531
532                 // why is this here ??
533                 if (do_endian_swap) {
534                         SWITCH_LONGINT(bhead8->old);
535                 }
536
537                 /* this patch is to avoid a long long being read from not-eight aligned positions
538                    is necessary on SGI with -n32 compiling (no, is necessary on
539                    any modern 64bit architecture) */
540                 memcpy(&old, &bhead8->old, 8);
541                 bhead4->old = (int) (old >> 3);
542
543                 bhead4->SDNAnr= bhead8->SDNAnr;
544                 bhead4->nr= bhead8->nr;
545         }
546 }
547
548 static void bh8_from_bh4(BHead *bhead, BHead4 *bhead4)
549 {
550         BHead8 *bhead8 = (BHead8 *) bhead;
551
552         bhead8->code= bhead4->code;
553         bhead8->len= bhead4->len;
554
555         if (bhead8->code != ENDB) {
556                 bhead8->old= bhead4->old;
557                 bhead8->SDNAnr= bhead4->SDNAnr;
558                 bhead8->nr= bhead4->nr;
559         }
560 }
561
562 static BHeadN *get_bhead(FileData *fd)
563 {
564         BHead8 bhead8;
565         BHead4 bhead4;
566         BHead  bhead;
567         BHeadN *new_bhead = 0;
568         int readsize;
569
570         if (fd) {
571                 if ( ! fd->eof) {
572
573                         // First read the bhead structure.
574                         // Depending on the platform the file was written on this can
575                         // be a big or little endian BHead4 or BHead8 structure.
576
577                         // As usual 'ENDB' (the last *partial* bhead of the file)
578                         // needs some special handling. We don't want to EOF just yet.
579
580                         if (fd->flags & FD_FLAGS_FILE_POINTSIZE_IS_4) {
581                                 bhead4.code = DATA;
582                                 readsize = fd->read(fd, &bhead4, sizeof(bhead4));
583
584                                 if (readsize == sizeof(bhead4) || bhead4.code == ENDB) {
585                                         if (fd->flags & FD_FLAGS_SWITCH_ENDIAN) {
586                                                 switch_endian_bh4(&bhead4);
587                                         }
588
589                                         if (fd->flags & FD_FLAGS_POINTSIZE_DIFFERS) {
590                                                 bh8_from_bh4(&bhead, &bhead4);
591                                         } else {
592                                                 memcpy(&bhead, &bhead4, sizeof(bhead));
593                                         }
594                                 } else {
595                                         fd->eof = 1;
596                                 }
597                         } else {
598                                 bhead8.code = DATA;
599                                 readsize = fd->read(fd, &bhead8, sizeof(bhead8));
600
601                                 if (readsize == sizeof(bhead8) || bhead8.code == ENDB) {
602                                         if (fd->flags & FD_FLAGS_SWITCH_ENDIAN) {
603                                                 switch_endian_bh8(&bhead8);
604                                         }
605
606                                         if (fd->flags & FD_FLAGS_POINTSIZE_DIFFERS) {
607                                                 bh4_from_bh8(&bhead, &bhead8, (fd->flags & FD_FLAGS_SWITCH_ENDIAN));
608                                         } else {
609                                                 memcpy(&bhead, &bhead8, sizeof(bhead));
610                                         }
611                                 } else {
612                                         fd->eof = 1;
613                                 }
614                         }
615
616                         // bhead now contains the (converted) bhead structure. Now read
617                         // the associated data and put everything in a BHeadN (creative naming !)
618
619                         if ( ! fd->eof) {
620                                 new_bhead = MEM_mallocN(sizeof(BHeadN) + bhead.len, "new_bhead");
621                                 if (new_bhead) {
622                                         new_bhead->next = new_bhead->prev = 0;
623                                         new_bhead->bhead = bhead;
624
625                                         readsize = fd->read(fd, new_bhead + 1, bhead.len);
626
627                                         if (readsize != bhead.len) {
628                                                 fd->eof = 1;
629                                                 MEM_freeN(new_bhead);
630                                         }
631                                 } else {
632                                         fd->eof = 1;
633                                 }
634                         }
635                 }
636         }
637
638         // We've read a new block. Now add it to the list
639         // of blocks.
640
641         if (new_bhead) {
642                 BLI_addtail(&fd->listbase, new_bhead);
643         }
644
645         return(new_bhead);
646 }
647
648 BHead *blo_firstbhead(FileData *fd)
649 {
650         BHeadN *new_bhead;
651         BHead *bhead = 0;
652
653         // Rewind the file
654         // Read in a new block if necessary
655
656         new_bhead = fd->listbase.first;
657         if (new_bhead == 0) {
658                 new_bhead = get_bhead(fd);
659         }
660
661         if (new_bhead) {
662                 bhead = &new_bhead->bhead;
663         }
664
665         return(bhead);
666 }
667
668 BHead *blo_prevbhead(FileData *fd, BHead *thisblock)
669 {
670         BHeadN *bheadn= (BHeadN *) (((char *) thisblock) - (int) (&((BHeadN*)0)->bhead));
671         BHeadN *prev= bheadn->prev;
672
673         return prev?&prev->bhead:NULL;
674 }
675
676 BHead *blo_nextbhead(FileData *fd, BHead *thisblock)
677 {
678         BHeadN *new_bhead = 0;
679         BHead *bhead = 0;
680
681         if (thisblock) {
682                 // bhead is actually a sub part of BHeadN
683                 // We calculate the BHeadN pointer from the BHead pointer below
684                 new_bhead = (BHeadN *) (((char *) thisblock) - (int) (&((BHeadN*)0)->bhead));
685
686                 // get the next BHeadN. If it doesn't exist we read in the next one
687                 new_bhead = new_bhead->next;
688                 if (new_bhead == 0) {
689                         new_bhead = get_bhead(fd);
690                 }
691         }
692
693         if (new_bhead) {
694                 // here we do the reverse:
695                 // go from the BHeadN pointer to the BHead pointer
696                 bhead = &new_bhead->bhead;
697         }
698
699         return(bhead);
700 }
701
702 static void decode_blender_header(FileData *fd)
703 {
704         char header[SIZEOFBLENDERHEADER], num[4];
705         int readsize;
706
707         // read in the header data
708         readsize = fd->read(fd, header, sizeof(header));
709
710         if (readsize == sizeof(header)) {
711                 if(strncmp(header, "BLENDER", 7) == 0) {
712                         int remove_this_endian_test= 1;
713
714                         fd->flags |= FD_FLAGS_FILE_OK;
715
716                         // what size are pointers in the file ?
717                         if(header[7]=='_') {
718                                 fd->flags |= FD_FLAGS_FILE_POINTSIZE_IS_4;
719                                 if (sizeof(void *) != 4) {
720                                         fd->flags |= FD_FLAGS_POINTSIZE_DIFFERS;
721                                 }
722                         } else {
723                                 if (sizeof(void *) != 8) {
724                                         fd->flags |= FD_FLAGS_POINTSIZE_DIFFERS;
725                                 }
726                         }
727
728                         // is the file saved in a different endian
729                         // than we need ?
730                         if (((((char*)&remove_this_endian_test)[0]==1)?L_ENDIAN:B_ENDIAN) != ((header[8]=='v')?L_ENDIAN:B_ENDIAN)) {
731                                 fd->flags |= FD_FLAGS_SWITCH_ENDIAN;
732                         }
733
734                         // get the version number
735
736                         memcpy(num, header+9, 3);
737                         num[3] = 0;
738                         fd->fileversion = atoi(num);
739                 }
740         }
741 }
742
743 static int read_file_dna(FileData *fd)
744 {
745         BHead *bhead;
746
747         for (bhead= blo_firstbhead(fd); bhead; bhead= blo_nextbhead(fd, bhead)) {
748                 if (bhead->code==DNA1) {
749                         int do_endian_swap= (fd->flags&FD_FLAGS_SWITCH_ENDIAN)?1:0;
750
751                         fd->filesdna= dna_sdna_from_data(&bhead[1], bhead->len, do_endian_swap);
752                         if (fd->filesdna)
753                                 fd->compflags= dna_get_structDNA_compareflags(fd->filesdna, fd->memsdna);
754
755                         return 1;
756                 } else if (bhead->code==ENDB)
757                         break;
758         }
759
760         return 0;
761 }
762 static int fd_read_from_file(FileData *filedata, void *buffer, int size)
763 {
764         int readsize = read(filedata->filedes, buffer, size);
765
766         if (readsize < 0) {
767                 readsize = EOF;
768         } else {
769                 filedata->seek += readsize;
770         }
771
772         return (readsize);
773 }
774
775 static int fd_read_from_memory(FileData *filedata, void *buffer, int size)
776 {
777                 // don't read more bytes then there are available in the buffer
778         int readsize = MIN2(size, filedata->buffersize - filedata->seek);
779
780         memcpy(buffer, filedata->buffer + filedata->seek, readsize);
781         filedata->seek += readsize;
782
783         return (readsize);
784 }
785
786 static int fd_read_from_memfile(FileData *filedata, void *buffer, int size)
787 {
788         static unsigned int seek= 1<<30;        /* the current position */
789         static unsigned int offset= 0;          /* size of previous chunks */
790         static MemFileChunk *chunk=NULL;
791         
792         if(size==0) return 0;
793         
794         if(seek != filedata->seek) {
795                 chunk= filedata->memfile->chunks.first;
796                 seek= 0;
797                 
798                 while(chunk) {
799                         if(seek + chunk->size > filedata->seek) break;
800                         seek+= chunk->size;
801                         chunk= chunk->next;
802                 }
803                 offset= seek;
804                 seek= filedata->seek;
805         }
806         
807         if(chunk) {
808                 /* first check if it's on the end if current chunk */
809                 if( seek-offset == chunk->size) {
810                         offset+= chunk->size;
811                         chunk= chunk->next;
812                 }
813                 
814                 /* debug, should never happen */
815                 if(chunk==NULL) {
816                         printf("illegal read, chunk zero\n");
817                         return 0;
818                 }
819                 else if( (seek-offset)+size > chunk->size) {
820                         size= chunk->size - (seek-offset);
821                         printf("chunk too large, clipped to %d\n", size);
822                 }
823                 
824                 memcpy(buffer, chunk->buf + (seek-offset), size);
825                 filedata->seek += size;
826                 seek+= size;
827                 
828                 return (size);
829                 
830         }
831         return 0;
832 }
833
834 static FileData *filedata_new(void)
835 {
836         extern char DNAstr[];   /* DNA.c */
837         extern int DNAlen;
838         FileData *fd = MEM_callocN(sizeof(FileData), "FileData");
839
840         fd->filedes = -1;
841
842                 /* XXX, this doesn't need to be done all the time,
843                  * but it keeps us reentrant,  remove once we have
844                  * a lib that provides a nice lock. - zr
845                  */
846         fd->memsdna = dna_sdna_from_data(DNAstr,  DNAlen,  0);
847
848         fd->datamap = oldnewmap_new();
849         fd->globmap = oldnewmap_new();
850         fd->libmap = oldnewmap_new();
851
852         return fd;
853 }
854
855 FileData *blo_openblenderfile(char *name)
856 {
857         int file;
858         char name1[FILE_MAXDIR+FILE_MAXFILE];
859         
860         /* library files can have stringcodes */
861         strcpy(name1, name);
862         if(name[0]=='/' && name[1]=='/')
863                 BLI_convertstringcode(name1, G.sce, 0);
864         else
865                 strcpy(G.sce, name);    // global... is set in blender.c setup_app_data too. should be part of Main immediate?
866         
867         file= open(name1, O_BINARY|O_RDONLY);
868
869         if (file == -1) {
870                 return NULL;
871         } else {
872                 FileData *fd = filedata_new();
873                 fd->filedes = file;
874                 fd->buffersize = BLI_filesize(file);
875                 fd->read = fd_read_from_file;
876
877                 decode_blender_header(fd);
878
879                 if (fd->flags & FD_FLAGS_FILE_OK) {
880                         if (!read_file_dna(fd)) {
881                                 blo_freefiledata(fd);
882                                 fd= NULL;
883                         }
884                 } else {
885                         blo_freefiledata(fd);
886                         fd= NULL;
887                 }
888
889                 return fd;
890         }
891 }
892
893 FileData *blo_openblendermemory(void *mem, int memsize)
894 {
895         if (!mem || memsize<SIZEOFBLENDERHEADER) {
896                 return NULL;
897         } else {
898                 FileData *fd= filedata_new();
899                 fd->buffer= mem;
900                 fd->buffersize= memsize;
901                 fd->read= fd_read_from_memory;
902                 fd->flags|= FD_FLAGS_NOT_MY_BUFFER;
903
904                 decode_blender_header(fd);
905
906                 if (fd->flags & FD_FLAGS_FILE_OK) {
907                         if (!read_file_dna(fd)) {
908                                 blo_freefiledata(fd);
909                                 fd= NULL;
910                         }
911                 } else {
912                         blo_freefiledata(fd);
913                         fd= NULL;
914                 }
915
916                 return fd;
917         }
918 }
919
920 FileData *blo_openblendermemfile(MemFile *memfile)
921 {
922         if (!memfile) {
923                 return NULL;
924         } else {
925                 FileData *fd= filedata_new();
926                 fd->memfile= memfile;
927
928                 fd->read= fd_read_from_memfile;
929                 fd->flags|= FD_FLAGS_NOT_MY_BUFFER;
930
931                 decode_blender_header(fd);
932
933                 if (fd->flags & FD_FLAGS_FILE_OK) {
934                         if (!read_file_dna(fd)) {
935                                 blo_freefiledata(fd);
936                                 fd= NULL;
937                         }
938                 } else {
939                         blo_freefiledata(fd);
940                         fd= NULL;
941                 }
942
943                 return fd;
944         }
945 }
946
947
948 void blo_freefiledata(FileData *fd)
949 {
950         if (fd) {
951                 if (fd->filedes != -1) {
952                         close(fd->filedes);
953                 }
954
955                 if (fd->buffer && !(fd->flags & FD_FLAGS_NOT_MY_BUFFER)) {
956                         MEM_freeN(fd->buffer);
957                         fd->buffer = 0;
958                 }
959
960                 // Free all BHeadN data blocks
961                 BLI_freelistN(&fd->listbase);
962
963                 if (fd->memsdna)
964                         dna_freestructDNA(fd->memsdna);
965                 if (fd->filesdna)
966                         dna_freestructDNA(fd->filesdna);
967                 if (fd->compflags)
968                         MEM_freeN(fd->compflags);
969
970                 if (fd->datamap)
971                         oldnewmap_free(fd->datamap);
972                 if (fd->globmap)
973                         oldnewmap_free(fd->globmap);
974                 if (fd->libmap && !(fd->flags & FD_FLAGS_NOT_MY_LIBMAP))
975                         oldnewmap_free(fd->libmap);
976
977                 MEM_freeN(fd);
978         }
979 }
980
981 /* ************ DIV ****************** */
982
983 int BLO_has_bfile_extension(char *str)
984 {
985         return (BLI_testextensie(str, ".ble") || BLI_testextensie(str, ".blend"));
986 }
987
988 /* ************** OLD POINTERS ******************* */
989
990 static void *newdataadr(FileData *fd, void *adr)                /* only direct databocks */
991 {
992         return oldnewmap_lookup_and_inc(fd->datamap, adr);
993 }
994
995 static void *newglobadr(FileData *fd, void *adr)                /* direct datablocks with global linking */
996 {
997         return oldnewmap_lookup_and_inc(fd->globmap, adr);
998 }
999
1000 static void *newlibadr(FileData *fd, void *lib, void *adr)              /* only lib data */
1001 {
1002         return oldnewmap_liblookup_and_inc(fd->libmap, adr, lib);
1003 }
1004
1005 static void *newlibadr_us_type(FileData *fd, short type, void *adr)     /* only Lib data */
1006 {
1007         ID *id= oldnewmap_typelookup_and_inc(fd->libmap, adr, type);
1008
1009         if (id) {
1010                 id->us++;
1011         }
1012
1013         return id;
1014 }
1015
1016 static void *newlibadr_us(FileData *fd, void *lib, void *adr)   /* increases user number */
1017 {
1018         ID *id= newlibadr(fd, lib, adr);
1019
1020         if(id) {
1021                 id->us++;
1022         }
1023
1024         return id;
1025 }
1026
1027 static void change_libadr(FileData *fd, void *old, void *new)
1028 {
1029         int i;
1030
1031                 /* changed one thing here, the old change_libadr
1032                  * only remapped addresses that had an id->lib,
1033                  * but that doesn't make sense to me... its an
1034                  * old pointer, period, it needs to be remapped. - zr
1035                  */
1036
1037                 /*
1038                  * Ton seemed to think it was necessary to look
1039                  * through all entries, and not return after finding
1040                  * a match, leaving this cryptic comment,
1041                  * // no return, maybe there can be more?
1042                  *
1043                  * That doesn't make sense to me either but I am
1044                  * too scared to remove it... it only would make
1045                  * sense if two distinct old address map to the
1046                  * same new address - obviously that shouldn't happen
1047                  * because memory addresses are unique.
1048                  *
1049                  * The only case it might happen is when two distinct
1050                  * libraries are mapped using the same table... this
1051                  * won't work to start with... At some point this
1052                  * all needs to be made sense of and made understandable,
1053                  * but I'm afraid I don't have time now. -zr
1054                  *
1055                  */
1056     /* the code is nasty, and needs a lot of energy to get into full understanding
1057        again... i now translate dutch comments, maybe that gives me more insight!
1058        But i guess it has to do with the assumption that 2 addresses can be allocated
1059        in different sessions, and therefore be the same... like the remark in the top
1060        of this c file (ton) */
1061
1062         for (i=0; i<fd->libmap->nentries; i++) {
1063                 OldNew *entry= &fd->libmap->entries[i];
1064
1065                 if (old==entry->newp) {
1066                         entry->newp= new;
1067                         break;
1068                 }
1069         }
1070 }
1071
1072
1073 /* ********** END OLD POINTERS ****************** */
1074 /* ********** READ FILE ****************** */
1075
1076 static void switch_endian_structs(struct SDNA *filesdna, BHead *bhead)
1077 {
1078         int blocksize, nblocks;
1079         char *data;
1080
1081         data= (char *)(bhead+1); /*  BHEAD+DATA dependancy */
1082         blocksize= filesdna->typelens[ filesdna->structs[bhead->SDNAnr][0] ];
1083
1084         nblocks= bhead->nr;
1085         while(nblocks--) {
1086                 dna_switch_endian_struct(filesdna, bhead->SDNAnr, data);
1087
1088                 data+= blocksize;
1089         }
1090 }
1091
1092 static void *read_struct(FileData *fd, BHead *bh, char *blockname)
1093 {
1094         void *temp= NULL;
1095
1096         if (bh->len) {
1097                 if (bh->SDNAnr && (fd->flags & FD_FLAGS_SWITCH_ENDIAN))
1098                         switch_endian_structs(fd->filesdna, bh);
1099
1100                 if (fd->compflags[bh->SDNAnr]) {        /* flag==0: doesn't exist anymore */
1101                         if(fd->compflags[bh->SDNAnr]==2) {
1102                                 temp= dna_reconstruct(fd->memsdna, fd->filesdna, fd->compflags, bh->SDNAnr, bh->nr, (bh+1));
1103                         } else {
1104                                 temp= MEM_mallocN(bh->len, blockname);
1105                                 memcpy(temp, (bh+1), bh->len); /*  BHEAD+DATA dependancy */
1106                         }
1107                 }
1108         }
1109
1110         return temp;
1111 }
1112
1113 static void link_list(FileData *fd, ListBase *lb)               /* only direct data */
1114 {
1115         Link *ln, *prev;
1116
1117         if(lb->first==0) return;
1118
1119         lb->first= newdataadr(fd, lb->first);
1120         ln= lb->first;
1121         prev= 0;
1122         while(ln) {
1123                 ln->next= newdataadr(fd, ln->next);
1124                 ln->prev= prev;
1125                 prev= ln;
1126                 ln= ln->next;
1127         }
1128         lb->last= prev;
1129 }
1130
1131 static void link_glob_list(FileData *fd, ListBase *lb)          /* for glob data */
1132 {
1133         Link *ln, *prev;
1134         void *poin;
1135
1136         if(lb->first==0) return;
1137         poin= newdataadr(fd, lb->first);
1138         if(lb->first) {
1139                 oldnewmap_insert(fd->globmap, lb->first, poin, 0);
1140         }
1141         lb->first= poin;
1142
1143         ln= lb->first;
1144         prev= 0;
1145         while(ln) {
1146                 poin= newdataadr(fd, ln->next);
1147                 if(ln->next) {
1148                         oldnewmap_insert(fd->globmap, ln->next, poin, 0);
1149                 }
1150                 ln->next= poin;
1151                 ln->prev= prev;
1152                 prev= ln;
1153                 ln= ln->next;
1154         }
1155         lb->last= prev;
1156 }
1157
1158 static void test_pointer_array(FileData *fd, void **mat)
1159 {
1160 #if defined(WIN32) && !defined(FREE_WINDOWS)
1161         __int64 *lpoin, *lmat;
1162 #else
1163         long long *lpoin, *lmat;
1164 #endif
1165         int len, *ipoin, *imat;
1166
1167                 /* manually convert the pointer array in
1168                  * the old dna format to a pointer array in
1169                  * the new dna format.
1170                  */
1171         if(*mat) {
1172                 len= MEM_allocN_len(*mat)/fd->filesdna->pointerlen;
1173
1174                 if(fd->filesdna->pointerlen==8 && fd->memsdna->pointerlen==4) {
1175                         ipoin=imat= MEM_mallocN( len*4, "newmatar");
1176                         lpoin= *mat;
1177
1178                         while(len-- > 0) {
1179                                 if((fd->flags & FD_FLAGS_SWITCH_ENDIAN))
1180                                         SWITCH_LONGINT(*lpoin);
1181                                 *ipoin= (int) ((*lpoin) >> 3);
1182                                 ipoin++;
1183                                 lpoin++;
1184                         }
1185                         MEM_freeN(*mat);
1186                         *mat= imat;
1187                 }
1188
1189                 if(fd->filesdna->pointerlen==4 && fd->memsdna->pointerlen==8) {
1190                         lpoin=lmat= MEM_mallocN( len*8, "newmatar");
1191                         ipoin= *mat;
1192
1193                         while(len-- > 0) {
1194                                 *lpoin= *ipoin;
1195                                 ipoin++;
1196                                 lpoin++;
1197                         }
1198                         MEM_freeN(*mat);
1199                         *mat= lmat;
1200                 }
1201         }
1202 }
1203
1204 /* ************ READ PACKEDFILE *************** */
1205
1206 static PackedFile *direct_link_packedfile(FileData *fd, PackedFile *oldpf)
1207 {
1208         PackedFile *pf= newdataadr(fd, oldpf);
1209
1210         if (pf) {
1211                 pf->data= newdataadr(fd, pf->data);
1212         }
1213
1214         return pf;
1215 }
1216
1217 /* ************ READ SCRIPTLINK *************** */
1218
1219 static void lib_link_scriptlink(FileData *fd, ID *id, ScriptLink *slink)
1220 {
1221         int i;
1222
1223         for(i=0; i<slink->totscript; i++) {
1224                 slink->scripts[i]= newlibadr(fd, id->lib, slink->scripts[i]);
1225         }
1226 }
1227
1228 static void direct_link_scriptlink(FileData *fd, ScriptLink *slink)
1229 {
1230         slink->scripts= newdataadr(fd, slink->scripts);
1231         slink->flag= newdataadr(fd, slink->flag);
1232
1233         if(fd->flags & FD_FLAGS_SWITCH_ENDIAN) {
1234                 int a;
1235
1236                 for(a=0; a<slink->totscript; a++) {
1237                         SWITCH_SHORT(slink->flag[a]);
1238                 }
1239         }
1240 }
1241
1242 /* ************ READ IKA ***************** */
1243
1244 static void lib_link_ika(FileData *fd, Main *main)
1245 {
1246         Ika *ika;
1247         int a;
1248         Deform *def;
1249
1250         ika= main->ika.first;
1251         while(ika) {
1252                 if(ika->id.flag & LIB_NEEDLINK) {
1253
1254                         ika->parent= newlibadr(fd, ika->id.lib, ika->parent);
1255
1256                         a= ika->totdef;
1257                         def= ika->def;
1258                         while(a--) {
1259                                 def->ob=  newlibadr(fd, ika->id.lib, def->ob);
1260                                 def++;
1261                         }
1262                         ika->id.flag -= LIB_NEEDLINK;
1263                 }
1264                 ika= ika->id.next;
1265         }
1266 }
1267
1268 static void direct_link_ika(FileData *fd, Ika *ika)
1269 {
1270         link_list(fd, &ika->limbbase);
1271
1272         ika->def= newdataadr(fd, ika->def);
1273
1274         /* error from V.138 and older */
1275         if(ika->def==0) ika->totdef= 0;
1276 }
1277
1278 /* ************ READ ARMATURE ***************** */
1279
1280 static void lib_link_nlastrips(FileData *fd, ID *id, ListBase *striplist)
1281 {
1282         bActionStrip *strip;
1283
1284         for (strip=striplist->first; strip; strip=strip->next){
1285                 strip->act = newlibadr_us(fd, id->lib, strip->act);
1286                 strip->ipo = newlibadr(fd, id->lib, strip->ipo);
1287         };
1288 }
1289
1290 static void lib_link_constraint_channels(FileData *fd, ID *id, ListBase *chanbase)
1291 {
1292         bConstraintChannel *chan;
1293
1294         for (chan=chanbase->first; chan; chan=chan->next){
1295                 chan->ipo = newlibadr_us(fd, id->lib, chan->ipo);
1296         }
1297 }
1298
1299 static void lib_link_constraints(FileData *fd, ID *id, ListBase *conlist)
1300 {
1301         bConstraint *con;
1302
1303         for (con = conlist->first; con; con=con->next) {
1304                 /*  patch for error introduced by changing constraints (dunno how) */
1305                 if(con->data==NULL) {
1306                         con->type= CONSTRAINT_TYPE_NULL;
1307                 }
1308
1309                 switch (con->type) {
1310                 case CONSTRAINT_TYPE_ACTION:
1311                         {
1312                                 bActionConstraint *data;
1313                                 data= ((bActionConstraint*)con->data);
1314                                 data->tar = newlibadr(fd, id->lib, data->tar);
1315                                 data->act = newlibadr(fd, id->lib, data->act);
1316                         }
1317                         break;
1318                 case CONSTRAINT_TYPE_LOCLIKE:
1319                         {
1320                                 bLocateLikeConstraint *data;
1321                                 data= ((bLocateLikeConstraint*)con->data);
1322                                 data->tar = newlibadr(fd, id->lib, data->tar);
1323                         };
1324                         break;
1325                 case CONSTRAINT_TYPE_ROTLIKE:
1326                         {
1327                                 bRotateLikeConstraint *data;
1328                                 data= ((bRotateLikeConstraint*)con->data);
1329                                 data->tar = newlibadr(fd, id->lib, data->tar);
1330                         };
1331                         break;
1332                 case CONSTRAINT_TYPE_KINEMATIC:
1333                         {
1334                                 bKinematicConstraint *data;
1335                                 data = ((bKinematicConstraint*)con->data);
1336                                 data->tar = newlibadr(fd, id->lib, data->tar);
1337                         }
1338                         break;
1339                 case CONSTRAINT_TYPE_TRACKTO:
1340                         {
1341                                 bTrackToConstraint *data;
1342                                 data = ((bTrackToConstraint*)con->data);
1343                                 data->tar = newlibadr(fd, id->lib, data->tar);
1344                         }
1345                         break;
1346                 case CONSTRAINT_TYPE_LOCKTRACK:
1347                         {
1348                                 bLockTrackConstraint *data;
1349                                 data= ((bLockTrackConstraint*)con->data);
1350                                 data->tar = newlibadr(fd, id->lib, data->tar);
1351                         };
1352                         break;
1353                 case CONSTRAINT_TYPE_FOLLOWPATH:
1354                         {
1355                                 bFollowPathConstraint *data;
1356                                 data= ((bFollowPathConstraint*)con->data);
1357                                 data->tar = newlibadr(fd, id->lib, data->tar);
1358                         };
1359                         break;
1360                 case CONSTRAINT_TYPE_DISTANCELIMIT:
1361                         {
1362                                 bDistanceLimitConstraint *data;
1363                                 data= ((bDistanceLimitConstraint*)con->data);
1364                                 data->tar = newlibadr(fd, id->lib, data->tar);
1365                         };
1366                         break;
1367                 case CONSTRAINT_TYPE_STRETCHTO:
1368                         {
1369                                 bStretchToConstraint *data;
1370                                 data= ((bStretchToConstraint*)con->data);
1371                                 data->tar = newlibadr(fd, id->lib, data->tar);
1372                         };
1373                         break;
1374
1375                 case CONSTRAINT_TYPE_NULL:
1376                         break;
1377                 }
1378         }
1379 }
1380
1381 static void direct_link_constraints(FileData *fd, ListBase *lb)
1382 {
1383         bConstraint *cons;
1384
1385         link_list(fd, lb);
1386         for (cons=lb->first; cons; cons=cons->next) {
1387                 cons->data = newdataadr(fd, cons->data);
1388                 switch (cons->type) {
1389                 default:
1390                         break;
1391                 }
1392                 // Link data
1393         }
1394 }
1395
1396 static void lib_link_bone(FileData *fd, ID *id, Bone *bone)
1397 {
1398         Bone *curBone;
1399
1400 //      lib_link_constraints(fd, id, &bone->constraints);
1401
1402         for (curBone=bone->childbase.first; curBone; curBone=curBone->next) {
1403                 lib_link_bone(fd, id, curBone);
1404         }
1405 }
1406
1407
1408 static void lib_link_pose(FileData *fd, ID *id, bPose *pose)
1409 {
1410         bPoseChannel *chan;
1411
1412         if (!pose)
1413                 return;
1414
1415         for (chan = pose->chanbase.first; chan; chan=chan->next) {
1416                 lib_link_constraints(fd, id, &chan->constraints);
1417         }
1418 }
1419
1420 static void lib_link_armature(FileData *fd, Main *main)
1421 {
1422         bArmature *arm;
1423         Bone *bone;
1424
1425         arm= main->armature.first;
1426
1427         while(arm) {
1428                 if(arm->id.flag & LIB_NEEDLINK) {
1429                         arm->id.flag -= LIB_NEEDLINK;
1430                 }
1431
1432                 for (bone=arm->bonebase.first; bone; bone=bone->next) {
1433                         lib_link_bone(fd, &arm->id, bone);
1434                 }
1435
1436                 arm= arm->id.next;
1437         }
1438 }
1439
1440 static void lib_link_action(FileData *fd, Main *main)
1441 {
1442         bAction *act;
1443         bActionChannel *chan;
1444
1445         act= main->action.first;
1446         while(act) {
1447                 if(act->id.flag & LIB_NEEDLINK) {
1448                         act->id.flag -= LIB_NEEDLINK;
1449
1450                         for (chan=act->chanbase.first; chan; chan=chan->next) {
1451                                 chan->ipo= newlibadr_us(fd, act->id.lib, chan->ipo);
1452                                 lib_link_constraint_channels(fd, &act->id, &chan->constraintChannels);
1453                         }
1454
1455                 }
1456                 act= act->id.next;
1457         }
1458 }
1459
1460 static void direct_link_bones(FileData *fd, Bone* bone)
1461 {
1462         Bone    *child;
1463
1464         bone->parent= newdataadr(fd, bone->parent);
1465
1466         link_list(fd, &bone->childbase);
1467
1468         for (child=bone->childbase.first; child; child=child->next) {
1469                 direct_link_bones(fd, child);
1470         }
1471 }
1472
1473
1474 static void direct_link_action(FileData *fd, bAction *act)
1475 {
1476         bActionChannel *achan;
1477
1478         link_list(fd, &act->chanbase);
1479
1480         for (achan = act->chanbase.first; achan; achan=achan->next)
1481                 link_list(fd, &achan->constraintChannels);
1482
1483 }
1484
1485 static void direct_link_armature(FileData *fd, bArmature *arm)
1486 {
1487         Bone    *bone;
1488
1489         link_list(fd, &arm->bonebase);
1490
1491         bone=arm->bonebase.first;
1492         while (bone) {
1493                 direct_link_bones(fd, bone);
1494                 bone=bone->next;
1495         }
1496 }
1497
1498 /* ************ READ CAMERA ***************** */
1499
1500 static void lib_link_camera(FileData *fd, Main *main)
1501 {
1502         Camera *ca;
1503
1504         ca= main->camera.first;
1505         while(ca) {
1506                 if(ca->id.flag & LIB_NEEDLINK) {
1507
1508                         ca->ipo= newlibadr_us(fd, ca->id.lib, ca->ipo);
1509
1510                         lib_link_scriptlink(fd, &ca->id, &ca->scriptlink);
1511
1512                         ca->id.flag -= LIB_NEEDLINK;
1513                 }
1514                 ca= ca->id.next;
1515         }
1516 }
1517
1518 static void direct_link_camera(FileData *fd, Camera *ca)
1519 {
1520         direct_link_scriptlink(fd, &ca->scriptlink);
1521 }
1522
1523
1524 /* ************ READ LATTICE ***************** */
1525
1526 static void lib_link_latt(FileData *fd, Main *main)
1527 {
1528         Lattice *lt;
1529
1530         lt= main->latt.first;
1531         while(lt) {
1532                 if(lt->id.flag & LIB_NEEDLINK) {
1533
1534                         lt->ipo= newlibadr_us(fd, lt->id.lib, lt->ipo);
1535                         lt->key= newlibadr_us(fd, lt->id.lib, lt->key);
1536
1537                         lt->id.flag -= LIB_NEEDLINK;
1538                 }
1539                 lt= lt->id.next;
1540         }
1541 }
1542
1543 static void direct_link_latt(FileData *fd, Lattice *lt)
1544 {
1545         lt->def= newdataadr(fd, lt->def);
1546 }
1547
1548 /* ************ READ LAMP ***************** */
1549
1550 static void lib_link_lamp(FileData *fd, Main *main)
1551 {
1552         Lamp *la;
1553         MTex *mtex;
1554         int a;
1555
1556         la= main->lamp.first;
1557         while(la) {
1558                 if(la->id.flag & LIB_NEEDLINK) {
1559
1560                         for(a=0; a<MAX_MTEX; a++) {
1561                                 mtex= la->mtex[a];
1562                                 if(mtex) {
1563                                         mtex->tex= newlibadr_us(fd, la->id.lib, mtex->tex);
1564                                         mtex->object= newlibadr(fd, la->id.lib, mtex->object);
1565                                 }
1566                         }
1567
1568                         la->ipo= newlibadr_us(fd, la->id.lib, la->ipo);
1569
1570                         lib_link_scriptlink(fd, &la->id, &la->scriptlink);
1571
1572                         la->id.flag -= LIB_NEEDLINK;
1573                 }
1574                 la= la->id.next;
1575         }
1576 }
1577
1578 static void direct_link_lamp(FileData *fd, Lamp *la)
1579 {
1580         int a;
1581
1582         direct_link_scriptlink(fd, &la->scriptlink);
1583
1584         for(a=0; a<MAX_MTEX; a++) {
1585                 la->mtex[a]= newdataadr(fd, la->mtex[a]);
1586         }
1587 }
1588
1589 /* ************ READ keys ***************** */
1590
1591 static void lib_link_key(FileData *fd, Main *main)
1592 {
1593         Key *key;
1594
1595         key= main->key.first;
1596         while(key) {
1597                 if(key->id.flag & LIB_NEEDLINK) {
1598
1599                         key->ipo= newlibadr_us(fd, key->id.lib, key->ipo);
1600                         key->from= newlibadr(fd, key->id.lib, key->from);
1601
1602                         key->id.flag -= LIB_NEEDLINK;
1603                 }
1604                 key= key->id.next;
1605         }
1606 }
1607
1608 static void switch_endian_keyblock(Key *key, KeyBlock *kb)
1609 {
1610         int elemsize, a, b;
1611         char *data, *poin, *cp;
1612
1613         elemsize= key->elemsize;
1614         data= kb->data;
1615
1616         for(a=0; a<kb->totelem; a++) {
1617
1618                 cp= key->elemstr;
1619                 poin= data;
1620
1621                 while( cp[0] ) {        /* cp[0]==amount */
1622
1623                         switch(cp[1]) {         /* cp[1]= type */
1624                         case IPO_FLOAT:
1625                         case IPO_BPOINT:
1626                         case IPO_BEZTRIPLE:
1627                                 b= cp[0];
1628                                 while(b--) {
1629                                         SWITCH_INT((*poin));
1630                                         poin+= 4;
1631                                 }
1632                                 break;
1633                         }
1634
1635                         cp+= 2;
1636
1637                 }
1638                 data+= elemsize;
1639         }
1640 }
1641
1642 static void direct_link_key(FileData *fd, Key *key)
1643 {
1644         KeyBlock *kb;
1645
1646         link_list(fd, &(key->block));
1647
1648         key->refkey= newdataadr(fd, key->refkey);
1649
1650         kb= key->block.first;
1651         while(kb) {
1652
1653                 kb->data= newdataadr(fd, kb->data);
1654
1655                 if(fd->flags & FD_FLAGS_SWITCH_ENDIAN)
1656                         switch_endian_keyblock(key, kb);
1657
1658                 kb= kb->next;
1659         }
1660 }
1661
1662 /* ************ READ mball ***************** */
1663
1664 static void lib_link_mball(FileData *fd, Main *main)
1665 {
1666         MetaBall *mb;
1667         int a;
1668
1669         mb= main->mball.first;
1670         while(mb) {
1671                 if(mb->id.flag & LIB_NEEDLINK) {
1672
1673                         for(a=0; a<mb->totcol; a++) mb->mat[a]= newlibadr_us(fd, mb->id.lib, mb->mat[a]);
1674
1675                         mb->ipo= newlibadr_us(fd, mb->id.lib, mb->ipo);
1676
1677                         mb->id.flag -= LIB_NEEDLINK;
1678                 }
1679                 mb= mb->id.next;
1680         }
1681 }
1682
1683 static void direct_link_mball(FileData *fd, MetaBall *mb)
1684 {
1685         mb->mat= newdataadr(fd, mb->mat);
1686         test_pointer_array(fd, (void **)&mb->mat);
1687
1688         link_list(fd, &(mb->elems));
1689
1690         mb->disp.first= mb->disp.last= 0;
1691
1692         mb->bb= 0;
1693 }
1694
1695 /* ************ READ WORLD ***************** */
1696
1697 static void lib_link_world(FileData *fd, Main *main)
1698 {
1699         World *wrld;
1700         MTex *mtex;
1701         int a;
1702
1703         wrld= main->world.first;
1704         while(wrld) {
1705                 if(wrld->id.flag & LIB_NEEDLINK) {
1706
1707                         wrld->ipo= newlibadr_us(fd, wrld->id.lib, wrld->ipo);
1708
1709                         for(a=0; a<MAX_MTEX; a++) {
1710                                 mtex= wrld->mtex[a];
1711                                 if(mtex) {
1712                                         mtex->tex= newlibadr_us(fd, wrld->id.lib, mtex->tex);
1713                                         mtex->object= newlibadr(fd, wrld->id.lib, mtex->object);
1714                                 }
1715                         }
1716
1717                         lib_link_scriptlink(fd, &wrld->id, &wrld->scriptlink);
1718
1719                         wrld->id.flag -= LIB_NEEDLINK;
1720                 }
1721                 wrld= wrld->id.next;
1722         }
1723 }
1724
1725 static void direct_link_world(FileData *fd, World *wrld)
1726 {
1727         int a;
1728
1729         direct_link_scriptlink(fd, &wrld->scriptlink);
1730
1731         for(a=0; a<MAX_MTEX; a++) {
1732                 wrld->mtex[a]= newdataadr(fd, wrld->mtex[a]);
1733         }
1734 }
1735
1736
1737 /* ************ READ IPO ***************** */
1738
1739 static void lib_link_ipo(FileData *fd, Main *main)
1740 {
1741         Ipo *ipo;
1742
1743         ipo= main->ipo.first;
1744         while(ipo) {
1745                 if(ipo->id.flag & LIB_NEEDLINK) {
1746
1747                         ipo->id.flag -= LIB_NEEDLINK;
1748                 }
1749                 ipo= ipo->id.next;
1750         }
1751 }
1752
1753 static void direct_link_ipo(FileData *fd, Ipo *ipo)
1754 {
1755         IpoCurve *icu;
1756
1757         link_list(fd, &(ipo->curve));
1758         icu= ipo->curve.first;
1759         while(icu) {
1760                 icu->bezt= newdataadr(fd, icu->bezt);
1761                 icu->bp= newdataadr(fd, icu->bp);
1762                 icu= icu->next;
1763         }
1764 }
1765
1766 /* ************ READ VFONT ***************** */
1767
1768 static void lib_link_vfont(FileData *fd, Main *main)
1769 {
1770         VFont *vf;
1771
1772         vf= main->vfont.first;
1773         while(vf) {
1774                 if(vf->id.flag & LIB_NEEDLINK) {
1775                         vf->id.flag -= LIB_NEEDLINK;
1776                 }
1777                 vf= vf->id.next;
1778         }
1779 }
1780
1781 static void direct_link_vfont(FileData *fd, VFont *vf)
1782 {
1783         vf->data= NULL;
1784         vf->packedfile= direct_link_packedfile(fd, vf->packedfile);
1785 }
1786
1787 /* ************ READ TEXT ****************** */
1788
1789 static void lib_link_text(FileData *fd, Main *main)
1790 {
1791         Text *text;
1792
1793         text= main->text.first;
1794         while(text) {
1795                 if(text->id.flag & LIB_NEEDLINK) {
1796                         text->id.flag -= LIB_NEEDLINK;
1797                 }
1798                 text= text->id.next;
1799         }
1800 }
1801
1802 static void direct_link_text(FileData *fd, Text *text)
1803 {
1804         TextLine *ln;
1805
1806         text->name= newdataadr(fd, text->name);
1807
1808         text->undo_pos= -1;
1809         text->undo_len= TXT_INIT_UNDO;
1810         text->undo_buf= MEM_mallocN(text->undo_len, "undo buf");
1811
1812         text->compiled= NULL;
1813
1814 /*
1815         if(text->flags & TXT_ISEXT) {
1816                 reopen_text(text);
1817         } else {
1818 */
1819
1820         link_list(fd, &text->lines);
1821
1822         text->curl= newdataadr(fd, text->curl);
1823         text->sell= newdataadr(fd, text->sell);
1824
1825         ln= text->lines.first;
1826         while(ln) {
1827                 ln->line= newdataadr(fd, ln->line);
1828                 ln->format= NULL;
1829                 
1830                 if (ln->len != (int) strlen(ln->line)) {
1831                         printf("Error loading text, line lengths differ\n");
1832                         ln->len = strlen(ln->line);
1833                 }
1834
1835                 ln= ln->next;
1836         }
1837
1838         text->flags = (text->flags|TXT_ISTMP) & ~TXT_ISEXT;
1839
1840         text->id.us= 1;
1841 }
1842
1843 /* ************ READ IMAGE ***************** */
1844
1845 static void lib_link_image(FileData *fd, Main *main)
1846 {
1847         Image *ima;
1848
1849         ima= main->image.first;
1850         while (ima) {
1851                 if(ima->id.flag & LIB_NEEDLINK) {
1852
1853                         ima->id.flag -= LIB_NEEDLINK;
1854                 }
1855                 ima= ima->id.next;
1856         }
1857 }
1858
1859 static void direct_link_image(FileData *fd, Image *ima)
1860 {
1861         ima->ibuf= 0;
1862         ima->anim= 0;
1863         memset(ima->mipmap, 0, sizeof(ima->mipmap));
1864         ima->repbind= 0;
1865         ima->bindcode= 0;
1866
1867         ima->packedfile = direct_link_packedfile(fd, ima->packedfile);
1868
1869         ima->ok= 1;
1870 }
1871
1872
1873 /* ************ READ CURVE ***************** */
1874
1875 static void lib_link_curve(FileData *fd, Main *main)
1876 {
1877         Curve *cu;
1878         int a;
1879
1880         cu= main->curve.first;
1881         while(cu) {
1882                 if(cu->id.flag & LIB_NEEDLINK) {
1883
1884                         for(a=0; a<cu->totcol; a++) cu->mat[a]= newlibadr_us(fd, cu->id.lib, cu->mat[a]);
1885
1886                         cu->bevobj= newlibadr(fd, cu->id.lib, cu->bevobj);
1887                         cu->taperobj= newlibadr(fd, cu->id.lib, cu->taperobj);
1888                         cu->textoncurve= newlibadr(fd, cu->id.lib, cu->textoncurve);
1889                         cu->vfont= newlibadr_us(fd, cu->id.lib, cu->vfont);
1890
1891                         cu->ipo= newlibadr_us(fd, cu->id.lib, cu->ipo);
1892                         cu->key= newlibadr_us(fd, cu->id.lib, cu->key);
1893
1894                         cu->id.flag -= LIB_NEEDLINK;
1895                 }
1896                 cu= cu->id.next;
1897         }
1898 }
1899
1900
1901 static void switch_endian_knots(Nurb *nu)
1902 {
1903         int len;
1904
1905         if(nu->knotsu) {
1906                 len= KNOTSU(nu);
1907                 while(len--) {
1908                         SWITCH_INT(nu->knotsu[len]);
1909                 }
1910         }
1911         if(nu->knotsv) {
1912                 len= KNOTSV(nu);
1913                 while(len--) {
1914                         SWITCH_INT(nu->knotsv[len]);
1915                 }
1916         }
1917 }
1918
1919 static void direct_link_curve(FileData *fd, Curve *cu)
1920 {
1921         Nurb *nu;
1922
1923         cu->mat= newdataadr(fd, cu->mat);
1924         test_pointer_array(fd, (void **)&cu->mat);
1925         cu->str= newdataadr(fd, cu->str);
1926
1927         if(cu->vfont==0) link_list(fd, &(cu->nurb));
1928         else {
1929                 cu->nurb.first=cu->nurb.last= 0;
1930         }
1931
1932         cu->bev.first=cu->bev.last= 0;
1933         cu->disp.first=cu->disp.last= 0;
1934         cu->path= 0;
1935
1936         nu= cu->nurb.first;
1937         while(nu) {
1938                 nu->bezt= newdataadr(fd, nu->bezt);
1939                 nu->bp= newdataadr(fd, nu->bp);
1940                 nu->knotsu= newdataadr(fd, nu->knotsu);
1941                 nu->knotsv= newdataadr(fd, nu->knotsv);
1942
1943                 if(fd->flags & FD_FLAGS_SWITCH_ENDIAN) {
1944                         switch_endian_knots(nu);
1945                 }
1946
1947                 nu= nu->next;
1948         }
1949         cu->bb= 0;
1950 }
1951
1952 /* ************ READ TEX ***************** */
1953
1954 static void lib_link_texture(FileData *fd, Main *main)
1955 {
1956         Tex *tex;
1957
1958         tex= main->tex.first;
1959         while(tex) {
1960                 if(tex->id.flag & LIB_NEEDLINK) {
1961
1962                         tex->ima= newlibadr_us(fd, tex->id.lib, tex->ima);
1963                         tex->ipo= newlibadr_us(fd, tex->id.lib, tex->ipo);
1964                         if(tex->env) tex->env->object= newlibadr(fd, tex->id.lib, tex->env->object);
1965
1966                         tex->id.flag -= LIB_NEEDLINK;
1967                 }
1968                 tex= tex->id.next;
1969         }
1970 }
1971
1972 static void direct_link_texture(FileData *fd, Tex *tex)
1973 {
1974         tex->plugin= newdataadr(fd, tex->plugin);
1975         if(tex->plugin) {
1976                 tex->plugin->handle= 0;
1977                 open_plugin_tex(tex->plugin);
1978         }
1979         tex->coba= newdataadr(fd, tex->coba);
1980         tex->env= newdataadr(fd, tex->env);
1981         if(tex->env) {
1982                 tex->env->ima= 0;
1983                 memset(tex->env->cube, 0, 6*sizeof(void *));
1984                 tex->env->ok= 0;
1985         }
1986 }
1987
1988
1989
1990 /* ************ READ MATERIAL ***************** */
1991
1992 static void lib_link_material(FileData *fd, Main *main)
1993 {
1994         Material *ma;
1995         MTex *mtex;
1996         int a;
1997
1998         ma= main->mat.first;
1999         while(ma) {
2000                 if(ma->id.flag & LIB_NEEDLINK) {
2001
2002                         ma->ipo= newlibadr_us(fd, ma->id.lib, ma->ipo);
2003
2004                         for(a=0; a<MAX_MTEX; a++) {
2005                                 mtex= ma->mtex[a];
2006                                 if(mtex) {
2007                                         mtex->tex= newlibadr_us(fd, ma->id.lib, mtex->tex);
2008                                         mtex->object= newlibadr(fd, ma->id.lib, mtex->object);
2009                                 }
2010                         }
2011                         lib_link_scriptlink(fd, &ma->id, &ma->scriptlink);
2012                         ma->id.flag -= LIB_NEEDLINK;
2013                 }
2014                 ma= ma->id.next;
2015         }
2016 }
2017
2018 static void direct_link_material(FileData *fd, Material *ma)
2019 {
2020         int a;
2021
2022         direct_link_scriptlink(fd, &ma->scriptlink);
2023
2024         for(a=0; a<MAX_MTEX; a++) {
2025                 ma->mtex[a]= newdataadr(fd, ma->mtex[a]);
2026         }
2027
2028         ma->ramp_col= newdataadr(fd, ma->ramp_col);
2029         ma->ramp_spec= newdataadr(fd, ma->ramp_spec);
2030         
2031 }
2032
2033 /* ************ READ MESH ***************** */
2034
2035 static void lib_link_mesh(FileData *fd, Main *main)
2036 {
2037         Mesh *me;
2038
2039         me= main->mesh.first;
2040         while(me) {
2041                 if(me->id.flag & LIB_NEEDLINK) {
2042                         int i;
2043
2044                         /* this check added for python created meshes */
2045                         if(me->mat) {
2046                                 for(i=0; i<me->totcol; i++)
2047                                         me->mat[i]= newlibadr_us(fd, me->id.lib, me->mat[i]);
2048                         }
2049                         else me->totcol= 0;
2050
2051                         me->ipo= newlibadr_us(fd, me->id.lib, me->ipo);
2052                         me->key= newlibadr_us(fd, me->id.lib, me->key);
2053                         me->texcomesh= newlibadr_us(fd, me->id.lib, me->texcomesh);
2054
2055                         if(me->tface) {
2056                                 TFace *tfaces= me->tface;
2057
2058                                 for (i=0; i<me->totface; i++) {
2059                                         TFace *tf= &tfaces[i];
2060
2061                                         tf->tpage= newlibadr(fd, me->id.lib, tf->tpage);
2062                                         if(tf->tpage) {
2063                                                 Image *ima= tf->tpage;
2064                                                 if(ima->id.us==0)
2065                                                         ima->id.us= 1;
2066                                         }
2067                                 }
2068                         }
2069                         me->id.flag -= LIB_NEEDLINK;
2070                 }
2071                 me= me->id.next;
2072         }
2073 }
2074
2075 static void direct_link_dverts(FileData *fd, int count, MDeformVert *mdverts)
2076 {
2077         int     i, j;
2078
2079         if (!mdverts)
2080                 return;
2081
2082         for (i=0; i<count; i++) {
2083                 mdverts[i].dw=newdataadr(fd, mdverts[i].dw);
2084                 if (!mdverts[i].dw)
2085                         mdverts[i].totweight=0;
2086
2087                 for (j=0; j< mdverts[i].totweight; j++) {
2088                         mdverts[i].dw[j].data = NULL;   // not saved in file, clear pointer
2089                 }
2090         }
2091 }
2092
2093 static void direct_link_mesh(FileData *fd, Mesh *mesh)
2094 {
2095         mesh->mat= newdataadr(fd, mesh->mat);
2096         test_pointer_array(fd, (void **)&mesh->mat);
2097
2098         mesh->mvert= newdataadr(fd, mesh->mvert);
2099         mesh->medge= newdataadr(fd, mesh->medge);
2100         mesh->mface= newdataadr(fd, mesh->mface);
2101         mesh->tface= newdataadr(fd, mesh->tface);
2102         mesh->mcol= newdataadr(fd, mesh->mcol);
2103         mesh->msticky= newdataadr(fd, mesh->msticky);
2104
2105         mesh->dvert= newdataadr(fd, mesh->dvert);
2106         direct_link_dverts(fd, mesh->totvert, mesh->dvert);
2107
2108         mesh->disp.first= mesh->disp.last= NULL;
2109         mesh->bb= NULL;
2110         mesh->oc= 0;
2111         mesh->dface= NULL;
2112         mesh->orco= NULL;
2113         mesh->decimated= NULL;
2114         mesh->derived= NULL;
2115
2116         if (mesh->tface) {
2117                 TFace *tfaces= mesh->tface;
2118                 int i;
2119
2120                 for (i=0; i<mesh->totface; i++) {
2121                         TFace *tf= &tfaces[i];
2122
2123                         if(fd->flags & FD_FLAGS_SWITCH_ENDIAN) {
2124                                 SWITCH_INT(tf->col[0]);
2125                                 SWITCH_INT(tf->col[1]);
2126                                 SWITCH_INT(tf->col[2]);
2127                                 SWITCH_INT(tf->col[3]);
2128                         }
2129                 }
2130         }
2131 }
2132
2133 /* ************ READ OBJECT ***************** */
2134
2135 static void lib_link_object(FileData *fd, Main *main)
2136 {
2137         Object *ob;
2138         bSensor *sens;
2139         bController *cont;
2140         bActuator *act;
2141         ObHook *hook;
2142         void *poin;
2143         int warn=0, a;
2144
2145         ob= main->object.first;
2146         while(ob) {
2147                 if(ob->id.flag & LIB_NEEDLINK) {
2148
2149                         ob->parent= newlibadr(fd, ob->id.lib, ob->parent);
2150                         ob->track= newlibadr(fd, ob->id.lib, ob->track);
2151                         ob->ipo= newlibadr_us(fd, ob->id.lib, ob->ipo);
2152                         ob->action = newlibadr_us(fd, ob->id.lib, ob->action);
2153
2154 //                      ob->activecon = newglobadr(fd, ob->activecon);
2155
2156                         poin= ob->data;
2157                         ob->data= newlibadr_us(fd, ob->id.lib, ob->data);
2158
2159                         if(ob->data==NULL && poin!=NULL) {
2160                                 ob->type= OB_EMPTY;
2161                                 warn= 1;
2162                                 if(ob->id.lib) printf("Can't find obdata of %s lib %s\n", ob->id.name+2, ob->id.lib->name);
2163                                 else printf("Object %s lost data. Lib:%x\n", ob->id.name+2, (unsigned int) ob->id.lib);
2164                         }
2165                         for(a=0; a<ob->totcol; a++) ob->mat[a]= newlibadr_us(fd, ob->id.lib, ob->mat[a]);
2166
2167                         ob->id.flag -= LIB_NEEDLINK;
2168                         /* if id.us==0 a new base will be created later on */
2169
2170                         /* WARNING! Also check expand_object(), should reflect the stuff below. */
2171                         lib_link_pose(fd, &ob->id, ob->pose);
2172                         lib_link_constraints(fd, &ob->id, &ob->constraints);
2173                         lib_link_nlastrips(fd, &ob->id, &ob->nlastrips);
2174                         lib_link_constraint_channels(fd, &ob->id, &ob->constraintChannels);
2175
2176
2177                         sens= ob->sensors.first;
2178                         while(sens) {
2179                                 if(ob->id.lib==NULL) {  // done in expand_main
2180                                         for(a=0; a<sens->totlinks; a++) {
2181                                                 sens->links[a]= newglobadr(fd, sens->links[a]);
2182                                         }
2183                                 }
2184                                 if(sens->type==SENS_TOUCH) {
2185                                         bTouchSensor *ts= sens->data;
2186                                         ts->ma= newlibadr(fd, ob->id.lib, ts->ma);
2187                                 }
2188                                 else if(sens->type==SENS_MESSAGE) {
2189                                         bMessageSensor *ms= sens->data;
2190                                         ms->fromObject=
2191                                             newlibadr(fd, ob->id.lib, ms->fromObject);
2192                                 }
2193                                 sens= sens->next;
2194                         }
2195
2196                         cont= ob->controllers.first;
2197                         while(cont) {
2198                                 if(ob->id.lib==NULL) {  // done in expand_main
2199                                         for(a=0; a<cont->totlinks; a++) {
2200                                                 cont->links[a]= newglobadr(fd, cont->links[a]);
2201                                         }
2202                                 }
2203                                 if(cont->type==CONT_PYTHON) {
2204                                         bPythonCont *pc= cont->data;
2205                                         pc->text= newlibadr(fd, ob->id.lib, pc->text);
2206                                 }
2207                                 cont->slinks= NULL;
2208                                 cont->totslinks= 0;
2209
2210                                 cont= cont->next;
2211                         }
2212
2213                         act= ob->actuators.first;
2214                         while(act) {
2215                                 if(act->type==ACT_SOUND) {
2216                                         bSoundActuator *sa= act->data;
2217                                         sa->sound= newlibadr_us(fd, ob->id.lib, sa->sound);
2218                                 }
2219                                 else if(act->type==ACT_CD) {
2220                                         /* bCDActuator *cda= act->data; */
2221                                 }
2222                                 else if(act->type==ACT_GAME) {
2223                                         /* bGameActuator *ga= act->data; */
2224                                 }
2225                                 else if(act->type==ACT_CAMERA) {
2226                                         bCameraActuator *ca= act->data;
2227                                         ca->ob= newlibadr(fd, ob->id.lib, ca->ob);
2228                                 }
2229                                         /* leave this one, it's obsolete but necessary to read for conversion */
2230                                 else if(act->type==ACT_ADD_OBJECT) {
2231                                         bAddObjectActuator *eoa= act->data;
2232                                         if(eoa) eoa->ob= newlibadr(fd, ob->id.lib, eoa->ob);
2233                                 }
2234                                 else if(act->type==ACT_EDIT_OBJECT) {
2235                                         bEditObjectActuator *eoa= act->data;
2236                                         if(eoa==NULL) {
2237                                                 init_actuator(act);
2238                                         }
2239                                         eoa->ob= newlibadr(fd, ob->id.lib, eoa->ob);
2240                                         eoa->me= newlibadr(fd, ob->id.lib, eoa->me);
2241                                 }
2242                                 else if(act->type==ACT_SCENE) {
2243                                         bSceneActuator *sa= act->data;
2244                                         sa->camera= newlibadr(fd, ob->id.lib, sa->camera);
2245                                         sa->scene= newlibadr(fd, ob->id.lib, sa->scene);
2246                                 }
2247                                 else if(act->type==ACT_ACTION) {
2248                                         bActionActuator *aa= act->data;
2249                                         aa->act= newlibadr(fd, ob->id.lib, aa->act);
2250                                 }
2251                                 else if(act->type==ACT_PROPERTY) {
2252                                         bPropertyActuator *pa= act->data;
2253                                         pa->ob= newlibadr(fd, ob->id.lib, pa->ob);
2254                                 }
2255                                 else if(act->type==ACT_MESSAGE) {
2256                                         bMessageActuator *ma= act->data;
2257                                         ma->toObject= newlibadr(fd, ob->id.lib, ma->toObject);
2258                                 }
2259                                 act= act->next;
2260                         }
2261
2262                         lib_link_scriptlink(fd, &ob->id, &ob->scriptlink);
2263                         
2264                         for(hook= ob->hooks.first; hook; hook= hook->next) {
2265                                 hook->parent= newlibadr(fd, ob->id.lib, hook->parent);
2266                         }
2267                 }
2268                 ob= ob->id.next;
2269         }
2270
2271         if(warn) error("WARNING IN CONSOLE");
2272 }
2273
2274
2275 static void direct_link_pose(FileData *fd, bPose *pose) {
2276
2277         bPoseChannel *chan;
2278
2279         if (!pose)
2280                 return;
2281
2282         link_list(fd, &pose->chanbase);
2283
2284         for (chan = pose->chanbase.first; chan; chan=chan->next) {
2285                 direct_link_constraints(fd, &chan->constraints);
2286         }
2287
2288 }
2289
2290 static void direct_link_object(FileData *fd, Object *ob)
2291 {
2292         PartEff *paf;
2293         bProperty *prop;
2294         bSensor *sens;
2295         bController *cont;
2296         bActuator *act;
2297         ObHook *hook;
2298         int a;
2299         
2300         ob->disp.first=ob->disp.last= NULL;
2301
2302         ob->pose= newdataadr(fd, ob->pose);
2303         direct_link_pose(fd, ob->pose);
2304
2305         link_list(fd, &ob->defbase);
2306         link_list(fd, &ob->nlastrips);
2307         link_list(fd, &ob->constraintChannels);
2308
2309         ob->activecon = newdataadr(fd, ob->activecon);
2310
2311         direct_link_scriptlink(fd, &ob->scriptlink);
2312
2313         ob->mat= newdataadr(fd, ob->mat);
2314         test_pointer_array(fd, (void **)&ob->mat);
2315         link_list(fd, &ob->effect);
2316         paf= ob->effect.first;
2317         while(paf) {
2318                 if(paf->type==EFF_PARTICLE) {
2319                         paf->keys= 0;
2320                 }
2321                 if(paf->type==EFF_WAVE) {
2322
2323                 }
2324                 paf= paf->next;
2325         }
2326
2327         ob->pd= newdataadr(fd, ob->pd);
2328         ob->soft= newdataadr(fd, ob->soft);
2329         if(ob->soft) {
2330                 SoftBody *sb= ob->soft;         
2331                 
2332                 sb->bpoint= NULL;       // init pointers so it gets rebuilt nicely
2333                 sb->bspring= NULL;
2334                 
2335                 sb->keys= newdataadr(fd, sb->keys);
2336                 test_pointer_array(fd, (void **)&sb->keys);
2337                 if(sb->keys) {
2338                         for(a=0; a<sb->totkey; a++) {
2339                                 sb->keys[a]= newdataadr(fd, sb->keys[a]);
2340                         }
2341                 }
2342         }
2343         
2344         link_list(fd, &ob->prop);
2345         prop= ob->prop.first;
2346         while(prop) {
2347                 prop->poin= newdataadr(fd, prop->poin);
2348                 if(prop->poin==0) prop->poin= &prop->data;
2349                 prop= prop->next;
2350         }
2351
2352         link_list(fd, &ob->sensors);
2353         sens= ob->sensors.first;
2354         while(sens) {
2355                 sens->data= newdataadr(fd, sens->data);
2356                 sens->links= newdataadr(fd, sens->links);
2357                 test_pointer_array(fd, (void **)&sens->links);
2358                 sens= sens->next;
2359         }
2360
2361         direct_link_constraints(fd, &ob->constraints);
2362
2363         link_glob_list(fd, &ob->controllers);
2364         cont= ob->controllers.first;
2365         while(cont) {
2366                 cont->data= newdataadr(fd, cont->data);
2367                 cont->links= newdataadr(fd, cont->links);
2368                 test_pointer_array(fd, (void **)&cont->links);
2369                 cont= cont->next;
2370         }
2371
2372         link_glob_list(fd, &ob->actuators);
2373         act= ob->actuators.first;
2374         while(act) {
2375                 act->data= newdataadr(fd, act->data);
2376                 act= act->next;
2377         }
2378
2379         link_list(fd, &ob->hooks);
2380         for(hook= ob->hooks.first; hook; hook= hook->next) {
2381                 hook->indexar= newdataadr(fd, hook->indexar);
2382                 if(fd->flags & FD_FLAGS_SWITCH_ENDIAN) {
2383                         int a;
2384                         for(a=0; a<hook->totindex; a++) {
2385                                 SWITCH_INT(hook->indexar[a]);
2386                         }
2387                 }
2388         }
2389         
2390         ob->bb= NULL;
2391 }
2392
2393 /* ************ READ SCENE ***************** */
2394
2395 static void lib_link_scene(FileData *fd, Main *main)
2396 {
2397         Scene *sce;
2398         Base *base, *next;
2399         Editing *ed;
2400         Sequence *seq;
2401
2402         sce= main->scene.first;
2403         while(sce) {
2404                 if(sce->id.flag & LIB_NEEDLINK) {
2405                         sce->id.us= 1;
2406                         sce->camera= newlibadr(fd, sce->id.lib, sce->camera);
2407                         sce->world= newlibadr_us(fd, sce->id.lib, sce->world);
2408                         sce->set= newlibadr(fd, sce->id.lib, sce->set);
2409                         sce->ima= newlibadr_us(fd, sce->id.lib, sce->ima);
2410                         sce->group= newlibadr_us(fd, sce->id.lib, sce->group);
2411
2412                         base= sce->base.first;
2413                         while(base) {
2414                                 next= base->next;
2415
2416                                 /* base->object= newlibadr_us(fd, sce->id.lib, base->object); */
2417                                 base->object= newlibadr_us_type(fd, ID_OB, base->object);
2418                                 
2419                                 /* when save during radiotool, needs cleared */
2420                                 base->flag &= ~OB_RADIO;
2421                                 
2422                                 if(base->object==0) {
2423                                         printf("LIB ERROR: base removed\n");
2424                                         BLI_remlink(&sce->base, base);
2425                                         if(base==sce->basact) sce->basact= 0;
2426                                         MEM_freeN(base);
2427                                 }
2428                                 base= next;
2429                         }
2430
2431                         ed= sce->ed;
2432                         if(ed) {
2433                                 WHILE_SEQ(&ed->seqbase) {
2434                                         if(seq->ipo) seq->ipo= newlibadr_us(fd, sce->id.lib, seq->ipo);
2435                                         if(seq->scene) seq->scene= newlibadr(fd, sce->id.lib, seq->scene);
2436                                         if(seq->sound) {
2437                                                 seq->sound= newlibadr(fd, sce->id.lib, seq->sound);
2438                                                 if (seq->sound) {
2439                                                         seq->sound->id.us++;
2440                                                         seq->sound->flags |= SOUND_FLAGS_SEQUENCE;
2441                                                 }
2442                                         }
2443                                         seq->anim= 0;
2444                                 }
2445                                 END_SEQ
2446                         }
2447                         
2448                         lib_link_scriptlink(fd, &sce->id, &sce->scriptlink);
2449                         
2450                         sce->id.flag -= LIB_NEEDLINK;
2451                 }
2452
2453                 sce= sce->id.next;
2454         }
2455 }
2456
2457 static void link_recurs_seq(FileData *fd, ListBase *lb)
2458 {
2459         Sequence *seq;
2460
2461         link_list(fd, lb);
2462         seq= lb->first;
2463         while(seq) {
2464                 if(seq->seqbase.first) link_recurs_seq(fd, &seq->seqbase);
2465                 seq= seq->next;
2466         }
2467 }
2468
2469 static void direct_link_scene(FileData *fd, Scene *sce)
2470 {
2471         Editing *ed;
2472         Sequence *seq;
2473         MetaStack *ms;
2474         StripElem *se;
2475         int a;
2476
2477         sce->theDag = NULL;
2478         sce->dagisvalid = 0;
2479         
2480         link_list(fd, &(sce->base));
2481
2482         sce->basact= newdataadr(fd, sce->basact);
2483
2484         sce->radio= newdataadr(fd, sce->radio);
2485
2486         if(sce->ed) {
2487                 ed= sce->ed= newdataadr(fd, sce->ed);
2488
2489                 /* recursive link sequences, lb will be correctly initialized */
2490                 link_recurs_seq(fd, &ed->seqbase);
2491
2492                 WHILE_SEQ(&ed->seqbase) {
2493                         seq->seq1= newdataadr(fd, seq->seq1);
2494                         seq->seq2= newdataadr(fd, seq->seq2);
2495                         seq->seq3= newdataadr(fd, seq->seq3);
2496                         /* a patch: after introduction of effects with 3 input strips */
2497                         if(seq->seq3==0) seq->seq3= seq->seq2;
2498
2499                         seq->curelem= 0;
2500
2501                         seq->plugin= newdataadr(fd, seq->plugin);
2502                         if(seq->plugin) open_plugin_seq(seq->plugin, seq->name+2);
2503
2504                         seq->effectdata= newdataadr(fd, seq->effectdata);
2505
2506                         seq->strip= newdataadr(fd, seq->strip);
2507                         if(seq->strip && seq->strip->done==0) {
2508                                 seq->strip->done= 1;
2509
2510                                 /* standard: strips from effects/metas are not written, but are mallocced */
2511
2512                                 if(seq->type==SEQ_IMAGE) {
2513                                         seq->strip->stripdata= newdataadr(fd, seq->strip->stripdata);
2514                                         se= seq->strip->stripdata;
2515                                         if(se) {
2516                                                 for(a=0; a<seq->strip->len; a++, se++) {
2517                                                         se->ok= 1;
2518                                                         se->ibuf= 0;
2519                                                 }
2520                                         }
2521                                 }
2522                                 else if(seq->type==SEQ_MOVIE) {
2523                                         /* only first stripelem is in file */
2524                                         se= newdataadr(fd, seq->strip->stripdata);
2525
2526                                         if(se) {
2527                                                 seq->strip->stripdata= MEM_callocN(seq->len*sizeof(StripElem), "stripelem");
2528                                                 *seq->strip->stripdata= *se;
2529                                                 MEM_freeN(se);
2530
2531                                                 se= seq->strip->stripdata;
2532
2533                                                 for(a=0; a<seq->strip->len; a++, se++) {
2534                                                         se->ok= 1;
2535                                                         se->ibuf= 0;
2536                                                         se->nr= a + 1;
2537                                                 }
2538                                         }
2539                                 }
2540                                 else if(seq->type==SEQ_SOUND) {
2541                                         /* only first stripelem is in file */
2542                                         se= newdataadr(fd, seq->strip->stripdata);
2543
2544                                         if(se) {
2545                                                 seq->strip->stripdata= MEM_callocN(seq->len*sizeof(StripElem), "stripelem");
2546                                                 *seq->strip->stripdata= *se;
2547                                                 MEM_freeN(se);
2548
2549                                                 se= seq->strip->stripdata;
2550
2551                                                 for(a=0; a<seq->strip->len; a++, se++) {
2552                                                         se->ok= 2; /* why? */
2553                                                         se->ibuf= 0;
2554                                                         se->nr= a + 1;
2555                                                 }
2556                                         }
2557                                 }
2558                                 else if(seq->len>0)
2559                                         seq->strip->stripdata= MEM_callocN(seq->len*sizeof(StripElem), "stripelem");
2560
2561                         }
2562                 }
2563                 END_SEQ
2564                         
2565                 /* link metastack, slight abuse of structs here, have to restore pointer to internal part in struct */
2566                 {
2567                         Sequence temp;
2568                         char *poin;
2569                         long offset;
2570                         /*int seted=0;*/ /*unused*/
2571                         
2572                         offset= ((long)&(temp.seqbase)) - ((long)&temp);
2573
2574                         /* root pointer */
2575                         poin= (char *)ed->seqbasep;
2576                         poin -= offset;
2577                         poin= newdataadr(fd, poin);
2578                         if(poin) ed->seqbasep= (ListBase *)(poin+offset);
2579                         else ed->seqbasep= &ed->seqbase;
2580                         
2581                         /* stack */
2582                         link_list(fd, &(ed->metastack));
2583                         
2584                         for(ms= ed->metastack.first; ms; ms= ms->next) {
2585                                 ms->parseq= newdataadr(fd, ms->parseq);
2586                                 
2587                                 poin= (char *)ms->oldbasep;
2588                                 poin -= offset;
2589                                 poin= newdataadr(fd, poin);
2590                                 if(poin) ms->oldbasep= (ListBase *)(poin+offset);
2591                                 else ms->oldbasep= &ed->seqbase;
2592                         }
2593                 }
2594         }
2595
2596         direct_link_scriptlink(fd, &sce->scriptlink);
2597         
2598         sce->r.avicodecdata = newdataadr(fd, sce->r.avicodecdata);
2599         if (sce->r.avicodecdata) {
2600                 sce->r.avicodecdata->lpFormat = newdataadr(fd, sce->r.avicodecdata->lpFormat);
2601                 sce->r.avicodecdata->lpParms = newdataadr(fd, sce->r.avicodecdata->lpParms);
2602         }
2603         
2604         sce->r.qtcodecdata = newdataadr(fd, sce->r.qtcodecdata);
2605         if (sce->r.qtcodecdata) {
2606                 sce->r.qtcodecdata->cdParms = newdataadr(fd, sce->r.qtcodecdata->cdParms);
2607         }
2608         
2609         link_list(fd, &(sce->markers));
2610 }
2611
2612 /* ************ READ SCREEN ***************** */
2613
2614 /* note: file read without screens option G_FILE_NO_UI; 
2615    check lib pointers in call below */
2616 static void lib_link_screen(FileData *fd, Main *main)
2617 {
2618         bScreen *sc;
2619         ScrArea *sa;
2620
2621         sc= main->screen.first;
2622         while(sc) {
2623                 if(sc->id.flag & LIB_NEEDLINK) {
2624                         sc->id.us= 1;
2625                         sc->scene= newlibadr(fd, sc->id.lib, sc->scene);
2626
2627                         sa= sc->areabase.first;
2628                         while(sa) {
2629                                 SpaceLink *sl;
2630
2631                                 sa->full= newlibadr(fd, sc->id.lib, sa->full);
2632
2633                                 /* space handler scriptlinks */
2634                                 lib_link_scriptlink(fd, &sc->id, &sa->scriptlink);
2635
2636                                 for (sl= sa->spacedata.first; sl; sl= sl->next) {
2637                                         if(sl->spacetype==SPACE_VIEW3D) {
2638                                                 View3D *v3d= (View3D*) sl;
2639
2640                                                 v3d->camera= newlibadr(fd, sc->id.lib, v3d->camera);
2641
2642                                                 if(v3d->bgpic) {
2643                                                         v3d->bgpic->ima= newlibadr_us(fd, sc->id.lib, v3d->bgpic->ima);
2644                                                         v3d->bgpic->tex= newlibadr_us(fd, sc->id.lib, v3d->bgpic->tex);
2645                                                         v3d->bgpic->rect= NULL;
2646                                                 }
2647                                                 if(v3d->localvd) {
2648                                                         v3d->localvd->camera= newlibadr(fd, sc->id.lib, v3d->localvd->camera);
2649                                                 }
2650                                         }
2651                                         else if(sl->spacetype==SPACE_IPO) {
2652                                                 SpaceIpo *sipo= (SpaceIpo *)sl;
2653                                                 sipo->editipo= 0;
2654                                                 
2655                                                 if(sipo->blocktype==ID_SEQ) sipo->from= NULL;   // no libdata
2656                                                 else sipo->from= newlibadr(fd, sc->id.lib, sipo->from);
2657                                                 
2658                                                 sipo->ipokey.first= sipo->ipokey.last= 0;
2659                                                 sipo->ipo= newlibadr(fd, sc->id.lib, sipo->ipo);
2660                                         }
2661                                         else if(sl->spacetype==SPACE_BUTS) {
2662                                                 SpaceButs *sbuts= (SpaceButs *)sl;
2663                                                 sbuts->rect= NULL;
2664                                                 sbuts->lockpoin= NULL;
2665                                                 if(main->versionfile<132) set_rects_butspace(sbuts);
2666                                         }
2667                                         else if(sl->spacetype==SPACE_FILE) {
2668                                                 SpaceFile *sfile= (SpaceFile *)sl;
2669
2670                                                 sfile->filelist= 0;
2671                                                 sfile->libfiledata= 0;
2672                                                 sfile->returnfunc= 0;
2673                                         }
2674                                         else if(sl->spacetype==SPACE_IMASEL) {
2675                                                 check_imasel_copy((SpaceImaSel *)sl);
2676                                         }
2677                                         else if(sl->spacetype==SPACE_ACTION) {
2678                                                 SpaceAction *saction= (SpaceAction *)sl;
2679                                                 saction->action = newlibadr(fd, sc->id.lib, saction->action);
2680                                         }
2681                                         else if(sl->spacetype==SPACE_IMAGE) {
2682                                                 SpaceImage *sima= (SpaceImage *)sl;
2683
2684                                                 sima->image= newlibadr_us(fd, sc->id.lib, sima->image);
2685                                         }
2686                                         else if(sl->spacetype==SPACE_NLA){
2687                                                 /* SpaceNla *snla= (SpaceNla *)sl;      */
2688                                         }
2689                                         else if(sl->spacetype==SPACE_TEXT) {
2690                                                 SpaceText *st= (SpaceText *)sl;
2691
2692                                                 st->text= newlibadr(fd, sc->id.lib, st->text);
2693
2694                                         }
2695                                         else if(sl->spacetype==SPACE_SCRIPT) {
2696                                                 SpaceScript *sc= (SpaceScript *)sl;
2697
2698                                                 sc->script = NULL;
2699                                         }
2700                                         else if(sl->spacetype==SPACE_OOPS) {
2701                                                 SpaceOops *so= (SpaceOops *)sl;
2702                                                 Oops *oops;
2703                                                 TreeStoreElem *tselem;
2704                                                 int a;
2705
2706                                                 oops= so->oops.first;
2707                                                 while(oops) {
2708                                                         oops->id= newlibadr(fd, NULL, oops->id);
2709                                                         oops= oops->next;
2710                                                 }
2711                                                 so->lockpoin= NULL;
2712                                                 so->tree.first= so->tree.last= NULL;
2713                                                 
2714                                                 if(so->treestore) {
2715                                                         tselem= so->treestore->data;
2716                                                         for(a=0; a<so->treestore->usedelem; a++, tselem++) {
2717                                                                 tselem->id= newlibadr(fd, NULL, tselem->id);
2718                                                         }
2719                                                 }
2720                                         }
2721                                         else if(sl->spacetype==SPACE_SOUND) {
2722                                                 SpaceSound *ssound= (SpaceSound *)sl;
2723
2724                                                 ssound->sound= newlibadr_us(fd, sc->id.lib, ssound->sound);
2725                                         }
2726                                 }
2727                                 sa= sa->next;
2728                         }
2729                         sc->id.flag -= LIB_NEEDLINK;
2730                 }
2731                 sc= sc->id.next;
2732         }
2733 }
2734
2735 static void *restore_pointer_by_name(Main *mainp, ID *id, int user)
2736 {
2737         ListBase *lb;
2738         ID *idn=NULL;
2739                 
2740         if(id) {
2741                 lb= wich_libbase(mainp, GS(id->name));
2742                 
2743                 if(lb) {        // there's still risk of checking corrupt mem (freed Ids in oops)
2744                         idn= lb->first;
2745                         while(idn) {
2746                                 if( strcmp(idn->name, id->name)==0) {
2747                                         if(user && idn->us==0) idn->us++;
2748                                         break;
2749                                 }
2750                                 idn= idn->next;
2751                         }
2752                 }
2753         }
2754         return idn;
2755 }
2756
2757 /* called from kernel/blender.c */
2758 void lib_link_screen_restore(Main *newmain, char mode, Scene *curscene)
2759 {
2760         bScreen *sc;
2761         ScrArea *sa;
2762
2763         sc= newmain->screen.first;
2764         while(sc) {
2765
2766                 if(mode=='u') sc->scene= restore_pointer_by_name(newmain, (ID *)sc->scene, 1);
2767                 if(sc->scene==NULL || mode=='n') sc->scene= curscene;
2768
2769                 sa= sc->areabase.first;
2770                 while(sa) {
2771                         SpaceLink *sl;
2772
2773                         for (sl= sa->spacedata.first; sl; sl= sl->next) {
2774                                 if(sl->spacetype==SPACE_VIEW3D) {
2775                                         View3D *v3d= (View3D*) sl;
2776                                         
2777                                         if(mode=='u') v3d->camera= restore_pointer_by_name(newmain, (ID *)v3d->camera, 1);
2778                                         if(v3d->camera==NULL || mode=='n') v3d->camera= sc->scene->camera;
2779                                         
2780                                         if(v3d->bgpic) {
2781                                                 v3d->bgpic->ima= restore_pointer_by_name(newmain, (ID *)v3d->bgpic->ima, 1);
2782                                                 v3d->bgpic->tex= restore_pointer_by_name(newmain, (ID *)v3d->bgpic->tex, 1);
2783                                                 if(v3d->bgpic->rect) freeN(v3d->bgpic->rect);
2784                                                 v3d->bgpic->rect= NULL;
2785                                         }
2786                                         if(v3d->localvd) {
2787                                                 Base *base;
2788                                                 if(mode=='u') v3d->localvd->camera= restore_pointer_by_name(newmain, (ID *)v3d->localvd->camera, 1);
2789                                                 if(v3d->localvd->camera==NULL || mode=='n') v3d->localvd->camera= sc->scene->camera;
2790                                                 
2791                                                 /* localview can become invalid during undo/redo steps, so we exit it when no could be found */
2792                                                 for(base= sc->scene->base.first; base; base= base->next) {
2793                                                         if(base->lay & v3d->lay) break;
2794                                                 }
2795                                                 if(base==NULL) {
2796                                                         v3d->lay= v3d->localvd->lay;
2797                                                         v3d->layact= v3d->localvd->layact;
2798                                                         MEM_freeN(v3d->localvd);
2799                                                         v3d->localvd= NULL;
2800                                                         v3d->localview= 0;
2801                                                 }
2802                                         }
2803                                         else if(v3d->scenelock) v3d->lay= sc->scene->lay;
2804                                         
2805                                 }
2806                                 else if(sl->spacetype==SPACE_IPO) {
2807                                         SpaceIpo *sipo= (SpaceIpo *)sl;
2808                                         
2809                                         if(sipo->blocktype==ID_SEQ) sipo->from= NULL;   // no libdata
2810                                         else sipo->from= restore_pointer_by_name(newmain, (ID *)sipo->from, 0);
2811                                         
2812                                         // not free sipo->ipokey, creates dependency with src/
2813                                         sipo->ipo= restore_pointer_by_name(newmain, (ID *)sipo->ipo, 0);
2814                                         if(sipo->editipo) MEM_freeN(sipo->editipo);
2815                                         sipo->editipo= NULL;
2816                                 }
2817                                 else if(sl->spacetype==SPACE_BUTS) {
2818                                         SpaceButs *sbuts= (SpaceButs *)sl;
2819                                         sbuts->lockpoin= NULL;
2820                                         sbuts->cury= 0; // we leave rect, for nicer redraws
2821                                 }
2822                                 else if(sl->spacetype==SPACE_FILE) {
2823                                         SpaceFile *sfile= (SpaceFile *)sl;
2824                                         if(sfile->libfiledata)  
2825                                                 BLO_blendhandle_close(sfile->libfiledata);
2826                                         sfile->libfiledata= 0;
2827                                 }
2828                                 else if(sl->spacetype==SPACE_IMASEL) {
2829                                         ;
2830                                 }
2831                                 else if(sl->spacetype==SPACE_ACTION) {
2832                                         SpaceAction *saction= (SpaceAction *)sl;
2833                                         saction->action = restore_pointer_by_name(newmain, (ID *)saction->action, 1);
2834                                 }
2835                                 else if(sl->spacetype==SPACE_IMAGE) {
2836                                         SpaceImage *sima= (SpaceImage *)sl;
2837
2838                                         sima->image= restore_pointer_by_name(newmain, (ID *)sima->image, 1);
2839                                 }
2840                                 else if(sl->spacetype==SPACE_NLA){
2841                                         /* SpaceNla *snla= (SpaceNla *)sl;      */
2842                                 }
2843                                 else if(sl->spacetype==SPACE_TEXT) {
2844                                         SpaceText *st= (SpaceText *)sl;
2845
2846                                         st->text= restore_pointer_by_name(newmain, (ID *)st->text, 1);
2847                                         if(st->text==NULL) st->text= newmain->text.first;
2848                                 }
2849                                 else if(sl->spacetype==SPACE_SCRIPT) {
2850                                         SpaceScript *sc= (SpaceScript *)sl;
2851
2852                                         sc->script = NULL;
2853                                 }
2854                                 else if(sl->spacetype==SPACE_OOPS) {
2855                                         SpaceOops *so= (SpaceOops *)sl;
2856                                         Oops *oops;
2857                                         
2858                                         int a;
2859                                         oops= so->oops.first;
2860                                         while(oops) {
2861                                                 oops->id= restore_pointer_by_name(newmain, (ID *)oops->id, 0);
2862                                                 oops= oops->next;
2863                                         }
2864                                         so->lockpoin= NULL;
2865                                         
2866                                         if(so->treestore) {
2867                                                 TreeStore *ts= so->treestore;
2868                                                 TreeStoreElem *tselem=ts->data;
2869                                                 for(a=0; a<ts->usedelem; a++, tselem++) {
2870                                                         tselem->id= restore_pointer_by_name(newmain, tselem->id, 0);
2871                                                 }
2872                                         }
2873                                 }
2874                                 else if(sl->spacetype==SPACE_SOUND) {
2875                                         SpaceSound *ssound= (SpaceSound *)sl;
2876
2877                                         ssound->sound= restore_pointer_by_name(newmain, (ID *)ssound->sound, 1);
2878                                 }
2879                         }
2880                         sa= sa->next;
2881                 }
2882
2883                 sc= sc->id.next;
2884         }
2885
2886 }
2887
2888 static void direct_link_screen(FileData *fd, bScreen *sc)
2889 {
2890         ScrArea *sa;
2891         ScrVert *sv;
2892         ScrEdge *se;
2893         Oops *oops;
2894
2895         link_list(fd, &(sc->vertbase));
2896         link_list(fd, &(sc->edgebase));
2897         link_list(fd, &(sc->areabase));
2898         sc->winakt= 0;
2899
2900         /* edges */
2901         se= sc->edgebase.first;
2902         while(se) {
2903                 se->v1= newdataadr(fd, se->v1);
2904                 se->v2= newdataadr(fd, se->v2);
2905                 if( (long)se->v1 > (long)se->v2) {
2906                         sv= se->v1;
2907                         se->v1= se->v2;
2908                         se->v2= sv;
2909                 }
2910
2911                 if(se->v1==NULL) {
2912                         printf("error reading screen... file corrupt\n");
2913                         se->v1= se->v2;
2914                 }
2915                 se= se->next;
2916         }
2917
2918         /* areas */
2919         sa= sc->areabase.first;
2920         while(sa) {
2921                 Panel *pa;
2922                 SpaceLink *sl;
2923
2924                 link_list(fd, &(sa->spacedata));
2925                 link_list(fd, &(sa->panels));
2926
2927                 for(pa= sa->panels.first; pa; pa=pa->next) {
2928                         pa->paneltab= newdataadr(fd, pa->paneltab);
2929                         pa->active= 0;
2930                         pa->sortcounter= 0;
2931                 }
2932
2933                 for (sl= sa->spacedata.first; sl; sl= sl->next) {
2934                         if (sl->spacetype==SPACE_VIEW3D) {
2935                                 View3D *v3d= (View3D*) sl;
2936                                 v3d->bgpic= newdataadr(fd, v3d->bgpic);
2937                                 v3d->localvd= newdataadr(fd, v3d->localvd);
2938                         }
2939                         else if (sl->spacetype==SPACE_OOPS) {
2940                                 SpaceOops *soops= (SpaceOops*) sl;
2941                                 
2942                                 link_list(fd, &(soops->oops));
2943                                 oops= soops->oops.first;
2944                                 while(oops) {
2945                                         oops->link.first= oops->link.last= 0;
2946                                         oops= oops->next;
2947                                 }
2948                                 
2949                                 soops->treestore= newdataadr(fd, soops->treestore);
2950                                 if(soops->treestore) {
2951                                         soops->treestore->data= newdataadr(fd, soops->treestore->data);
2952                                         /* we only saved what was used */
2953                                         soops->treestore->totelem= soops->treestore->usedelem;
2954                                         soops->storeflag |= SO_TREESTORE_CLEANUP;       // at first draw
2955                                 }
2956                         }
2957                 }
2958
2959                 sa->v1= newdataadr(fd, sa->v1);
2960                 sa->v2= newdataadr(fd, sa->v2);
2961                 sa->v3= newdataadr(fd, sa->v3);
2962                 sa->v4= newdataadr(fd, sa->v4);
2963
2964                 sa->win= sa->headwin= 0;
2965
2966                 sa->uiblocks.first= sa->uiblocks.last= NULL;
2967
2968                 /* space handler scriptlinks */
2969                 direct_link_scriptlink(fd, &sa->scriptlink);
2970
2971                 sa= sa->next;
2972         }
2973 }
2974
2975 /* ********** READ LIBRARY *************** */
2976
2977
2978 static void direct_link_library(FileData *fd, Library *lib)
2979 {
2980         Main *newmain;
2981
2982         /* new main */
2983         newmain= MEM_callocN(sizeof(Main), "directlink");
2984         BLI_addtail(&fd->mainlist, newmain);
2985         newmain->curlib= lib;
2986 }
2987
2988 static void lib_link_library(FileData *fd, Main *main)
2989 {
2990         Library *lib;
2991
2992         lib= main->library.first;
2993         while(lib) {
2994                 lib->id.us= 1;
2995                 lib= lib->id.next;
2996         }
2997 }
2998
2999 /* ************** READ SOUND ******************* */
3000
3001 static void direct_link_sound(FileData *fd, bSound *sound)
3002 {
3003         sound->sample = NULL;
3004         sound->snd_sound = NULL;
3005
3006         sound->packedfile = direct_link_packedfile(fd, sound->packedfile);
3007         sound->newpackedfile = direct_link_packedfile(fd, sound->newpackedfile);
3008 }
3009
3010 static void lib_link_sound(FileData *fd, Main *main)
3011 {
3012         bSound *sound;
3013
3014         sound= main->sound.first;
3015         while(sound) {
3016                 if(sound->id.flag & LIB_NEEDLINK) {
3017                         sound->id.flag -= LIB_NEEDLINK;
3018                         sound->ipo= newlibadr_us(fd, sound->id.lib, sound->ipo);
3019                         sound->stream = 0;
3020                 }
3021                 sound= sound->id.next;
3022         }
3023 }
3024 /* ***************** READ GROUP *************** */
3025
3026 static void direct_link_group(FileData *fd, Group *group)
3027 {
3028         GroupObject *go;
3029         ObjectKey *ok;
3030
3031         link_list(fd, &group->gobject);
3032         link_list(fd, &group->gkey);
3033         group->active= newdataadr(fd, group->active);
3034
3035         go= group->gobject.first;
3036         while(go) {
3037                 link_list(fd, &go->okey);
3038                 ok= go->okey.first;
3039                 while(ok) {
3040                         ok->gkey= newdataadr(fd, ok->gkey);
3041                         ok= ok->next;
3042                 }
3043                 go= go->next;
3044         }
3045 }
3046
3047 static void lib_link_group(FileData *fd, Main *main)
3048 {
3049         Group *group= main->group.first;
3050         GroupObject *go;
3051         ObjectKey *ok;
3052
3053         while(group) {
3054                 if(group->id.flag & LIB_NEEDLINK) {
3055                         group->id.flag -= LIB_NEEDLINK;
3056
3057                         go= group->gobject.first;
3058                         while(go) {
3059                                 go->ob= newlibadr(fd, group->id.lib, go->ob);
3060                                 ok= go->okey.first;
3061                                 while(ok) {
3062                                         ok->parent= newlibadr(fd, group->id.lib, ok->parent);
3063                                         ok->track= newlibadr(fd, group->id.lib, ok->track);
3064                                         ok->ipo= newlibadr_us(fd, group->id.lib, ok->ipo);
3065                                         ok= ok->next;
3066                                 }
3067                                 go= go->next;
3068                         }
3069                 }
3070                 group= group->id.next;
3071         }
3072 }
3073
3074 /* ************** GENERAL & MAIN ******************** */
3075
3076 static BHead *read_libblock(FileData *fd, Main *main, BHead *bhead, int flag, ID **id_r)
3077 {
3078         /* this routine reads a libblock and its direct data. Use link functions
3079          * to connect it all
3080          */
3081
3082         ID *id;
3083         ListBase *lb;
3084         char *str = NULL;
3085
3086         if(bhead->code==ID_ID) {
3087                 ID *linkedid= (ID *)(bhead + 1); /*  BHEAD+DATA dependancy */
3088
3089                 lb= wich_libbase(main, GS(linkedid->name));
3090         }
3091         else {
3092                 lb= wich_libbase(main, bhead->code);
3093         }
3094
3095         /* read libblock */
3096         id = read_struct(fd, bhead, "lib block");
3097         if (id_r)
3098                 *id_r= id;
3099         if (!id)
3100                 return blo_nextbhead(fd, bhead);
3101
3102         oldnewmap_insert(fd->libmap, bhead->old, id, 1);
3103         BLI_addtail(lb, id);
3104
3105         /* clear first 8 bits */
3106         id->flag= (id->flag & 0xFF00) | flag | LIB_NEEDLINK;
3107         id->lib= main->curlib;
3108         if(id->flag & LIB_FAKEUSER) id->us= 1;
3109         else id->us= 0;
3110
3111         /* this case cannot be direct_linked: it's just the ID part */
3112         if(bhead->code==ID_ID) {
3113                 return blo_nextbhead(fd, bhead);
3114         }
3115
3116         bhead = blo_nextbhead(fd, bhead);
3117
3118         switch( GS(id->name) ) {
3119         case ID_OB: str= "ID_OB"; break;
3120         case ID_SCE: str= "ID_SCE"; break;
3121         case ID_LI: str= "ID_LI"; break;
3122         case ID_ME: str= "ID_ME"; break;
3123         case ID_CU: str= "ID_CU"; break;
3124         case ID_MB: str= "ID_MB"; break;
3125         case ID_MA: str= "ID_MA"; break;
3126         case ID_TE: str= "ID_TE"; break;
3127         case ID_IM: str= "ID_IM"; break;
3128         case ID_IK: str= "ID_IK"; break;
3129         case ID_WV: str= "ID_WV"; break;
3130         case ID_LT: str= "ID_LT"; break;
3131         case ID_SE: str= "ID_SE"; break;
3132         case ID_LF: str= "ID_LF"; break;
3133         case ID_LA: str= "ID_LA"; break;
3134         case ID_CA: str= "ID_CA"; break;
3135         case ID_IP: str= "ID_IP"; break;
3136         case ID_KE: str= "ID_KE"; break;
3137         case ID_WO: str= "ID_WO"; break;
3138         case ID_SCR: str= "ID_SCR"; break;
3139         case ID_VF: str= "ID_VF"; break;
3140         case ID_TXT     : str= "ID_TXT"; break;
3141         case ID_SO: str= "ID_SO"; break;
3142         case ID_SAMPLE: str= "ID_SAMPLE"; break;
3143         case ID_GR: str= "ID_GR"; break;
3144         case ID_ID: str= "ID_ID"; break;
3145         case ID_SEQ: str= "ID_SEQ"; break;
3146         case ID_AR: str= "ID_AR"; break;
3147         case ID_AC: str= "ID_AC"; break;
3148         }
3149                 /* read all data */
3150         while(bhead && bhead->code==DATA) {
3151                 void *data= read_struct(fd,