Added baking for softbodies.
[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(*libmain), "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(*m), "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(*fd), "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         BLI_convertstringcode(name1, G.sce, 0);
863         
864         file= open(name1, O_BINARY|O_RDONLY);
865
866         if (file == -1) {
867                 return NULL;
868         } else {
869                 FileData *fd = filedata_new();
870                 fd->filedes = file;
871                 fd->buffersize = BLI_filesize(file);
872                 fd->read = fd_read_from_file;
873
874                 decode_blender_header(fd);
875
876                 if (fd->flags & FD_FLAGS_FILE_OK) {
877                         if (!read_file_dna(fd)) {
878                                 blo_freefiledata(fd);
879                                 fd= NULL;
880                         }
881                 } else {
882                         blo_freefiledata(fd);
883                         fd= NULL;
884                 }
885
886                 return fd;
887         }
888 }
889
890 FileData *blo_openblendermemory(void *mem, int memsize)
891 {
892         if (!mem || memsize<SIZEOFBLENDERHEADER) {
893                 return NULL;
894         } else {
895                 FileData *fd= filedata_new();
896                 fd->buffer= mem;
897                 fd->buffersize= memsize;
898                 fd->read= fd_read_from_memory;
899                 fd->flags|= FD_FLAGS_NOT_MY_BUFFER;
900
901                 decode_blender_header(fd);
902
903                 if (fd->flags & FD_FLAGS_FILE_OK) {
904                         if (!read_file_dna(fd)) {
905                                 blo_freefiledata(fd);
906                                 fd= NULL;
907                         }
908                 } else {
909                         blo_freefiledata(fd);
910                         fd= NULL;
911                 }
912
913                 return fd;
914         }
915 }
916
917 FileData *blo_openblendermemfile(MemFile *memfile)
918 {
919         if (!memfile) {
920                 return NULL;
921         } else {
922                 FileData *fd= filedata_new();
923                 fd->memfile= memfile;
924
925                 fd->read= fd_read_from_memfile;
926                 fd->flags|= FD_FLAGS_NOT_MY_BUFFER;
927
928                 decode_blender_header(fd);
929
930                 if (fd->flags & FD_FLAGS_FILE_OK) {
931                         if (!read_file_dna(fd)) {
932                                 blo_freefiledata(fd);
933                                 fd= NULL;
934                         }
935                 } else {
936                         blo_freefiledata(fd);
937                         fd= NULL;
938                 }
939
940                 return fd;
941         }
942 }
943
944
945 void blo_freefiledata(FileData *fd)
946 {
947         if (fd) {
948                 if (fd->filedes != -1) {
949                         close(fd->filedes);
950                 }
951
952                 if (fd->buffer && !(fd->flags & FD_FLAGS_NOT_MY_BUFFER)) {
953                         MEM_freeN(fd->buffer);
954                         fd->buffer = 0;
955                 }
956
957                 // Free all BHeadN data blocks
958                 BLI_freelistN(&fd->listbase);
959
960                 if (fd->memsdna)
961                         dna_freestructDNA(fd->memsdna);
962                 if (fd->filesdna)
963                         dna_freestructDNA(fd->filesdna);
964                 if (fd->compflags)
965                         MEM_freeN(fd->compflags);
966
967                 if (fd->datamap)
968                         oldnewmap_free(fd->datamap);
969                 if (fd->globmap)
970                         oldnewmap_free(fd->globmap);
971                 if (fd->libmap && !(fd->flags & FD_FLAGS_NOT_MY_LIBMAP))
972                         oldnewmap_free(fd->libmap);
973
974                 MEM_freeN(fd);
975         }
976 }
977
978 /* ************ DIV ****************** */
979
980 int BLO_has_bfile_extension(char *str)
981 {
982         return (BLI_testextensie(str, ".ble") || BLI_testextensie(str, ".blend"));
983 }
984
985 /* ************** OLD POINTERS ******************* */
986
987 static void *newdataadr(FileData *fd, void *adr)                /* only direct databocks */
988 {
989         return oldnewmap_lookup_and_inc(fd->datamap, adr);
990 }
991
992 static void *newglobadr(FileData *fd, void *adr)                /* direct datablocks with global linking */
993 {
994         return oldnewmap_lookup_and_inc(fd->globmap, adr);
995 }
996
997 static void *newlibadr(FileData *fd, void *lib, void *adr)              /* only lib data */
998 {
999         return oldnewmap_liblookup_and_inc(fd->libmap, adr, lib);
1000 }
1001
1002 static void *newlibadr_us_type(FileData *fd, short type, void *adr)     /* only Lib data */
1003 {
1004         ID *id= oldnewmap_typelookup_and_inc(fd->libmap, adr, type);
1005
1006         if (id) {
1007                 id->us++;
1008         }
1009
1010         return id;
1011 }
1012
1013 static void *newlibadr_us(FileData *fd, void *lib, void *adr)   /* increases user number */
1014 {
1015         ID *id= newlibadr(fd, lib, adr);
1016
1017         if(id) {
1018                 id->us++;
1019         }
1020
1021         return id;
1022 }
1023
1024 static void change_libadr(FileData *fd, void *old, void *new)
1025 {
1026         int i;
1027
1028                 /* changed one thing here, the old change_libadr
1029                  * only remapped addresses that had an id->lib,
1030                  * but that doesn't make sense to me... its an
1031                  * old pointer, period, it needs to be remapped. - zr
1032                  */
1033
1034                 /*
1035                  * Ton seemed to think it was necessary to look
1036                  * through all entries, and not return after finding
1037                  * a match, leaving this cryptic comment,
1038                  * // no return, maybe there can be more?
1039                  *
1040                  * That doesn't make sense to me either but I am
1041                  * too scared to remove it... it only would make
1042                  * sense if two distinct old address map to the
1043                  * same new address - obviously that shouldn't happen
1044                  * because memory addresses are unique.
1045                  *
1046                  * The only case it might happen is when two distinct
1047                  * libraries are mapped using the same table... this
1048                  * won't work to start with... At some point this
1049                  * all needs to be made sense of and made understandable,
1050                  * but I'm afraid I don't have time now. -zr
1051                  *
1052                  */
1053     /* the code is nasty, and needs a lot of energy to get into full understanding
1054        again... i now translate dutch comments, maybe that gives me more insight!
1055        But i guess it has to do with the assumption that 2 addresses can be allocated
1056        in different sessions, and therefore be the same... like the remark in the top
1057        of this c file (ton) */
1058
1059         for (i=0; i<fd->libmap->nentries; i++) {
1060                 OldNew *entry= &fd->libmap->entries[i];
1061
1062                 if (old==entry->newp) {
1063                         entry->newp= new;
1064                         break;
1065                 }
1066         }
1067 }
1068
1069
1070 /* ********** END OLD POINTERS ****************** */
1071 /* ********** READ FILE ****************** */
1072
1073 static void switch_endian_structs(struct SDNA *filesdna, BHead *bhead)
1074 {
1075         int blocksize, nblocks;
1076         char *data;
1077
1078         data= (char *)(bhead+1); /*  BHEAD+DATA dependancy */
1079         blocksize= filesdna->typelens[ filesdna->structs[bhead->SDNAnr][0] ];
1080
1081         nblocks= bhead->nr;
1082         while(nblocks--) {
1083                 dna_switch_endian_struct(filesdna, bhead->SDNAnr, data);
1084
1085                 data+= blocksize;
1086         }
1087 }
1088
1089 static void *read_struct(FileData *fd, BHead *bh, char *blockname)
1090 {
1091         void *temp= NULL;
1092
1093         if (bh->len) {
1094                 if (bh->SDNAnr && (fd->flags & FD_FLAGS_SWITCH_ENDIAN))
1095                         switch_endian_structs(fd->filesdna, bh);
1096
1097                 if (fd->compflags[bh->SDNAnr]) {        /* flag==0: doesn't exist anymore */
1098                         if(fd->compflags[bh->SDNAnr]==2) {
1099                                 temp= dna_reconstruct(fd->memsdna, fd->filesdna, fd->compflags, bh->SDNAnr, bh->nr, (bh+1));
1100                         } else {
1101                                 temp= MEM_mallocN(bh->len, blockname);
1102                                 memcpy(temp, (bh+1), bh->len); /*  BHEAD+DATA dependancy */
1103                         }
1104                 }
1105         }
1106
1107         return temp;
1108 }
1109
1110 static void link_list(FileData *fd, ListBase *lb)               /* only direct data */
1111 {
1112         Link *ln, *prev;
1113
1114         if(lb->first==0) return;
1115
1116         lb->first= newdataadr(fd, lb->first);
1117         ln= lb->first;
1118         prev= 0;
1119         while(ln) {
1120                 ln->next= newdataadr(fd, ln->next);
1121                 ln->prev= prev;
1122                 prev= ln;
1123                 ln= ln->next;
1124         }
1125         lb->last= prev;
1126 }
1127
1128 static void link_glob_list(FileData *fd, ListBase *lb)          /* for glob data */
1129 {
1130         Link *ln, *prev;
1131         void *poin;
1132
1133         if(lb->first==0) return;
1134         poin= newdataadr(fd, lb->first);
1135         if(lb->first) {
1136                 oldnewmap_insert(fd->globmap, lb->first, poin, 0);
1137         }
1138         lb->first= poin;
1139
1140         ln= lb->first;
1141         prev= 0;
1142         while(ln) {
1143                 poin= newdataadr(fd, ln->next);
1144                 if(ln->next) {
1145                         oldnewmap_insert(fd->globmap, ln->next, poin, 0);
1146                 }
1147                 ln->next= poin;
1148                 ln->prev= prev;
1149                 prev= ln;
1150                 ln= ln->next;
1151         }
1152         lb->last= prev;
1153 }
1154
1155 static void test_pointer_array(FileData *fd, void **mat)
1156 {
1157 #if defined(WIN32) && !defined(FREE_WINDOWS)
1158         __int64 *lpoin, *lmat;
1159 #else
1160         long long *lpoin, *lmat;
1161 #endif
1162         int len, *ipoin, *imat;
1163
1164                 /* manually convert the pointer array in
1165                  * the old dna format to a pointer array in
1166                  * the new dna format.
1167                  */
1168         if(*mat) {
1169                 len= MEM_allocN_len(*mat)/fd->filesdna->pointerlen;
1170
1171                 if(fd->filesdna->pointerlen==8 && fd->memsdna->pointerlen==4) {
1172                         ipoin=imat= MEM_mallocN( len*4, "newmatar");
1173                         lpoin= *mat;
1174
1175                         while(len-- > 0) {
1176                                 if((fd->flags & FD_FLAGS_SWITCH_ENDIAN))
1177                                         SWITCH_LONGINT(*lpoin);
1178                                 *ipoin= (int) ((*lpoin) >> 3);
1179                                 ipoin++;
1180                                 lpoin++;
1181                         }
1182                         MEM_freeN(*mat);
1183                         *mat= imat;
1184                 }
1185
1186                 if(fd->filesdna->pointerlen==4 && fd->memsdna->pointerlen==8) {
1187                         lpoin=lmat= MEM_mallocN( len*8, "newmatar");
1188                         ipoin= *mat;
1189
1190                         while(len-- > 0) {
1191                                 *lpoin= *ipoin;
1192                                 ipoin++;
1193                                 lpoin++;
1194                         }
1195                         MEM_freeN(*mat);
1196                         *mat= lmat;
1197                 }
1198         }
1199 }
1200
1201 /* ************ READ PACKEDFILE *************** */
1202
1203 static PackedFile *direct_link_packedfile(FileData *fd, PackedFile *oldpf)
1204 {
1205         PackedFile *pf= newdataadr(fd, oldpf);
1206
1207         if (pf) {
1208                 pf->data= newdataadr(fd, pf->data);
1209         }
1210
1211         return pf;
1212 }
1213
1214 /* ************ READ SCRIPTLINK *************** */
1215
1216 static void lib_link_scriptlink(FileData *fd, ID *id, ScriptLink *slink)
1217 {
1218         int i;
1219
1220         for(i=0; i<slink->totscript; i++) {
1221                 slink->scripts[i]= newlibadr(fd, id->lib, slink->scripts[i]);
1222         }
1223 }
1224
1225 static void direct_link_scriptlink(FileData *fd, ScriptLink *slink)
1226 {
1227         slink->scripts= newdataadr(fd, slink->scripts);
1228         slink->flag= newdataadr(fd, slink->flag);
1229
1230         if(fd->flags & FD_FLAGS_SWITCH_ENDIAN) {
1231                 int a;
1232
1233                 for(a=0; a<slink->totscript; a++) {
1234                         SWITCH_SHORT(slink->flag[a]);
1235                 }
1236         }
1237 }
1238
1239 /* ************ READ IKA ***************** */
1240
1241 static void lib_link_ika(FileData *fd, Main *main)
1242 {
1243         Ika *ika;
1244         int a;
1245         Deform *def;
1246
1247         ika= main->ika.first;
1248         while(ika) {
1249                 if(ika->id.flag & LIB_NEEDLINK) {
1250
1251                         ika->parent= newlibadr(fd, ika->id.lib, ika->parent);
1252
1253                         a= ika->totdef;
1254                         def= ika->def;
1255                         while(a--) {
1256                                 def->ob=  newlibadr(fd, ika->id.lib, def->ob);
1257                                 def++;
1258                         }
1259                         ika->id.flag -= LIB_NEEDLINK;
1260                 }
1261                 ika= ika->id.next;
1262         }
1263 }
1264
1265 static void direct_link_ika(FileData *fd, Ika *ika)
1266 {
1267         link_list(fd, &ika->limbbase);
1268
1269         ika->def= newdataadr(fd, ika->def);
1270
1271         /* error from V.138 and older */
1272         if(ika->def==0) ika->totdef= 0;
1273 }
1274
1275 /* ************ READ ARMATURE ***************** */
1276
1277 static void lib_link_nlastrips(FileData *fd, ID *id, ListBase *striplist)
1278 {
1279         bActionStrip *strip;
1280
1281         for (strip=striplist->first; strip; strip=strip->next){
1282                 strip->act = newlibadr_us(fd, id->lib, strip->act);
1283                 strip->ipo = newlibadr(fd, id->lib, strip->ipo);
1284         };
1285 }
1286
1287 static void lib_link_constraint_channels(FileData *fd, ID *id, ListBase *chanbase)
1288 {
1289         bConstraintChannel *chan;
1290
1291         for (chan=chanbase->first; chan; chan=chan->next){
1292                 chan->ipo = newlibadr_us(fd, id->lib, chan->ipo);
1293         }
1294 }
1295
1296 static void lib_link_constraints(FileData *fd, ID *id, ListBase *conlist)
1297 {
1298         bConstraint *con;
1299
1300         for (con = conlist->first; con; con=con->next) {
1301                 /*  patch for error introduced by changing constraints (dunno how) */
1302                 if(con->data==NULL) {
1303                         con->type= CONSTRAINT_TYPE_NULL;
1304                 }
1305
1306                 switch (con->type) {
1307                 case CONSTRAINT_TYPE_ACTION:
1308                         {
1309                                 bActionConstraint *data;
1310                                 data= ((bActionConstraint*)con->data);
1311                                 data->tar = newlibadr(fd, id->lib, data->tar);
1312                                 data->act = newlibadr(fd, id->lib, data->act);
1313                         }
1314                         break;
1315                 case CONSTRAINT_TYPE_LOCLIKE:
1316                         {
1317                                 bLocateLikeConstraint *data;
1318                                 data= ((bLocateLikeConstraint*)con->data);
1319                                 data->tar = newlibadr(fd, id->lib, data->tar);
1320                         };
1321                         break;
1322                 case CONSTRAINT_TYPE_ROTLIKE:
1323                         {
1324                                 bRotateLikeConstraint *data;
1325                                 data= ((bRotateLikeConstraint*)con->data);
1326                                 data->tar = newlibadr(fd, id->lib, data->tar);
1327                         };
1328                         break;
1329                 case CONSTRAINT_TYPE_KINEMATIC:
1330                         {
1331                                 bKinematicConstraint *data;
1332                                 data = ((bKinematicConstraint*)con->data);
1333                                 data->tar = newlibadr(fd, id->lib, data->tar);
1334                         }
1335                         break;
1336                 case CONSTRAINT_TYPE_TRACKTO:
1337                         {
1338                                 bTrackToConstraint *data;
1339                                 data = ((bTrackToConstraint*)con->data);
1340                                 data->tar = newlibadr(fd, id->lib, data->tar);
1341                         }
1342                         break;
1343                 case CONSTRAINT_TYPE_LOCKTRACK:
1344                         {
1345                                 bLockTrackConstraint *data;
1346                                 data= ((bLockTrackConstraint*)con->data);
1347                                 data->tar = newlibadr(fd, id->lib, data->tar);
1348                         };
1349                         break;
1350                 case CONSTRAINT_TYPE_FOLLOWPATH:
1351                         {
1352                                 bFollowPathConstraint *data;
1353                                 data= ((bFollowPathConstraint*)con->data);
1354                                 data->tar = newlibadr(fd, id->lib, data->tar);
1355                         };
1356                         break;
1357                 case CONSTRAINT_TYPE_DISTANCELIMIT:
1358                         {
1359                                 bDistanceLimitConstraint *data;
1360                                 data= ((bDistanceLimitConstraint*)con->data);
1361                                 data->tar = newlibadr(fd, id->lib, data->tar);
1362                         };
1363                         break;
1364                 case CONSTRAINT_TYPE_STRETCHTO:
1365                         {
1366                                 bStretchToConstraint *data;
1367                                 data= ((bStretchToConstraint*)con->data);
1368                                 data->tar = newlibadr(fd, id->lib, data->tar);
1369                         };
1370                         break;
1371
1372                 case CONSTRAINT_TYPE_NULL:
1373                         break;
1374                 }
1375         }
1376 }
1377
1378 static void direct_link_constraints(FileData *fd, ListBase *lb)
1379 {
1380         bConstraint *cons;
1381
1382         link_list(fd, lb);
1383         for (cons=lb->first; cons; cons=cons->next) {
1384                 cons->data = newdataadr(fd, cons->data);
1385                 switch (cons->type) {
1386                 default:
1387                         break;
1388                 }
1389                 // Link data
1390         }
1391 }
1392
1393 static void lib_link_bone(FileData *fd, ID *id, Bone *bone)
1394 {
1395         Bone *curBone;
1396
1397 //      lib_link_constraints(fd, id, &bone->constraints);
1398
1399         for (curBone=bone->childbase.first; curBone; curBone=curBone->next) {
1400                 lib_link_bone(fd, id, curBone);
1401         }
1402 }
1403
1404
1405 static void lib_link_pose(FileData *fd, ID *id, bPose *pose)
1406 {
1407         bPoseChannel *chan;
1408
1409         if (!pose)
1410                 return;
1411
1412         for (chan = pose->chanbase.first; chan; chan=chan->next) {
1413                 lib_link_constraints(fd, id, &chan->constraints);
1414         }
1415 }
1416
1417 static void lib_link_armature(FileData *fd, Main *main)
1418 {
1419         bArmature *arm;
1420         Bone *bone;
1421
1422         arm= main->armature.first;
1423
1424         while(arm) {
1425                 if(arm->id.flag & LIB_NEEDLINK) {
1426                         arm->id.flag -= LIB_NEEDLINK;
1427                 }
1428
1429                 for (bone=arm->bonebase.first; bone; bone=bone->next) {
1430                         lib_link_bone(fd, &arm->id, bone);
1431                 }
1432
1433                 arm= arm->id.next;
1434         }
1435 }
1436
1437 static void lib_link_action(FileData *fd, Main *main)
1438 {
1439         bAction *act;
1440         bActionChannel *chan;
1441
1442         act= main->action.first;
1443         while(act) {
1444                 if(act->id.flag & LIB_NEEDLINK) {
1445                         act->id.flag -= LIB_NEEDLINK;
1446
1447                         for (chan=act->chanbase.first; chan; chan=chan->next) {
1448                                 chan->ipo= newlibadr_us(fd, act->id.lib, chan->ipo);
1449                                 lib_link_constraint_channels(fd, &act->id, &chan->constraintChannels);
1450                         }
1451
1452                 }
1453                 act= act->id.next;
1454         }
1455 }
1456
1457 static void direct_link_bones(FileData *fd, Bone* bone)
1458 {
1459         Bone    *child;
1460
1461         bone->parent= newdataadr(fd, bone->parent);
1462
1463         link_list(fd, &bone->childbase);
1464
1465         for (child=bone->childbase.first; child; child=child->next) {
1466                 direct_link_bones(fd, child);
1467         }
1468 }
1469
1470
1471 static void direct_link_action(FileData *fd, bAction *act)
1472 {
1473         bActionChannel *achan;
1474
1475         link_list(fd, &act->chanbase);
1476
1477         for (achan = act->chanbase.first; achan; achan=achan->next)
1478                 link_list(fd, &achan->constraintChannels);
1479
1480 }
1481
1482 static void direct_link_armature(FileData *fd, bArmature *arm)
1483 {
1484         Bone    *bone;
1485
1486         link_list(fd, &arm->bonebase);
1487
1488         bone=arm->bonebase.first;
1489         while (bone) {
1490                 direct_link_bones(fd, bone);
1491                 bone=bone->next;
1492         }
1493 }
1494
1495 /* ************ READ CAMERA ***************** */
1496
1497 static void lib_link_camera(FileData *fd, Main *main)
1498 {
1499         Camera *ca;
1500
1501         ca= main->camera.first;
1502         while(ca) {
1503                 if(ca->id.flag & LIB_NEEDLINK) {
1504
1505                         ca->ipo= newlibadr_us(fd, ca->id.lib, ca->ipo);
1506
1507                         lib_link_scriptlink(fd, &ca->id, &ca->scriptlink);
1508
1509                         ca->id.flag -= LIB_NEEDLINK;
1510                 }
1511                 ca= ca->id.next;
1512         }
1513 }
1514
1515 static void direct_link_camera(FileData *fd, Camera *ca)
1516 {
1517         direct_link_scriptlink(fd, &ca->scriptlink);
1518 }
1519
1520
1521 /* ************ READ LATTICE ***************** */
1522
1523 static void lib_link_latt(FileData *fd, Main *main)
1524 {
1525         Lattice *lt;
1526
1527         lt= main->latt.first;
1528         while(lt) {
1529                 if(lt->id.flag & LIB_NEEDLINK) {
1530
1531                         lt->ipo= newlibadr_us(fd, lt->id.lib, lt->ipo);
1532                         lt->key= newlibadr_us(fd, lt->id.lib, lt->key);
1533
1534                         lt->id.flag -= LIB_NEEDLINK;
1535                 }
1536                 lt= lt->id.next;
1537         }
1538 }
1539
1540 static void direct_link_latt(FileData *fd, Lattice *lt)
1541 {
1542         lt->def= newdataadr(fd, lt->def);
1543 }
1544
1545 /* ************ READ LAMP ***************** */
1546
1547 static void lib_link_lamp(FileData *fd, Main *main)
1548 {
1549         Lamp *la;
1550         MTex *mtex;
1551         int a;
1552
1553         la= main->lamp.first;
1554         while(la) {
1555                 if(la->id.flag & LIB_NEEDLINK) {
1556
1557                         for(a=0; a<MAX_MTEX; a++) {
1558                                 mtex= la->mtex[a];
1559                                 if(mtex) {
1560                                         mtex->tex= newlibadr_us(fd, la->id.lib, mtex->tex);
1561                                         mtex->object= newlibadr(fd, la->id.lib, mtex->object);
1562                                 }
1563                         }
1564
1565                         la->ipo= newlibadr_us(fd, la->id.lib, la->ipo);
1566
1567                         lib_link_scriptlink(fd, &la->id, &la->scriptlink);
1568
1569                         la->id.flag -= LIB_NEEDLINK;
1570                 }
1571                 la= la->id.next;
1572         }
1573 }
1574
1575 static void direct_link_lamp(FileData *fd, Lamp *la)
1576 {
1577         int a;
1578
1579         direct_link_scriptlink(fd, &la->scriptlink);
1580
1581         for(a=0; a<MAX_MTEX; a++) {
1582                 la->mtex[a]= newdataadr(fd, la->mtex[a]);
1583         }
1584 }
1585
1586 /* ************ READ keys ***************** */
1587
1588 static void lib_link_key(FileData *fd, Main *main)
1589 {
1590         Key *key;
1591
1592         key= main->key.first;
1593         while(key) {
1594                 if(key->id.flag & LIB_NEEDLINK) {
1595
1596                         key->ipo= newlibadr_us(fd, key->id.lib, key->ipo);
1597                         key->from= newlibadr(fd, key->id.lib, key->from);
1598
1599                         key->id.flag -= LIB_NEEDLINK;
1600                 }
1601                 key= key->id.next;
1602         }
1603 }
1604
1605 static void switch_endian_keyblock(Key *key, KeyBlock *kb)
1606 {
1607         int elemsize, a, b;
1608         char *data, *poin, *cp;
1609
1610         elemsize= key->elemsize;
1611         data= kb->data;
1612
1613         for(a=0; a<kb->totelem; a++) {
1614
1615                 cp= key->elemstr;
1616                 poin= data;
1617
1618                 while( cp[0] ) {        /* cp[0]==amount */
1619
1620                         switch(cp[1]) {         /* cp[1]= type */
1621                         case IPO_FLOAT:
1622                         case IPO_BPOINT:
1623                         case IPO_BEZTRIPLE:
1624                                 b= cp[0];
1625                                 while(b--) {
1626                                         SWITCH_INT((*poin));
1627                                         poin+= 4;
1628                                 }
1629                                 break;
1630                         }
1631
1632                         cp+= 2;
1633
1634                 }
1635                 data+= elemsize;
1636         }
1637 }
1638
1639 static void direct_link_key(FileData *fd, Key *key)
1640 {
1641         KeyBlock *kb;
1642
1643         link_list(fd, &(key->block));
1644
1645         key->refkey= newdataadr(fd, key->refkey);
1646
1647         kb= key->block.first;
1648         while(kb) {
1649
1650                 kb->data= newdataadr(fd, kb->data);
1651
1652                 if(fd->flags & FD_FLAGS_SWITCH_ENDIAN)
1653                         switch_endian_keyblock(key, kb);
1654
1655                 kb= kb->next;
1656         }
1657 }
1658
1659 /* ************ READ mball ***************** */
1660
1661 static void lib_link_mball(FileData *fd, Main *main)
1662 {
1663         MetaBall *mb;
1664         int a;
1665
1666         mb= main->mball.first;
1667         while(mb) {
1668                 if(mb->id.flag & LIB_NEEDLINK) {
1669
1670                         for(a=0; a<mb->totcol; a++) mb->mat[a]= newlibadr_us(fd, mb->id.lib, mb->mat[a]);
1671
1672                         mb->ipo= newlibadr_us(fd, mb->id.lib, mb->ipo);
1673
1674                         mb->id.flag -= LIB_NEEDLINK;
1675                 }
1676                 mb= mb->id.next;
1677         }
1678 }
1679
1680 static void direct_link_mball(FileData *fd, MetaBall *mb)
1681 {
1682         mb->mat= newdataadr(fd, mb->mat);
1683         test_pointer_array(fd, (void **)&mb->mat);
1684
1685         link_list(fd, &(mb->elems));
1686
1687         mb->disp.first= mb->disp.last= 0;
1688
1689         mb->bb= 0;
1690 }
1691
1692 /* ************ READ WORLD ***************** */
1693
1694 static void lib_link_world(FileData *fd, Main *main)
1695 {
1696         World *wrld;
1697         MTex *mtex;
1698         int a;
1699
1700         wrld= main->world.first;
1701         while(wrld) {
1702                 if(wrld->id.flag & LIB_NEEDLINK) {
1703
1704                         wrld->ipo= newlibadr_us(fd, wrld->id.lib, wrld->ipo);
1705
1706                         for(a=0; a<MAX_MTEX; a++) {
1707                                 mtex= wrld->mtex[a];
1708                                 if(mtex) {
1709                                         mtex->tex= newlibadr_us(fd, wrld->id.lib, mtex->tex);
1710                                         mtex->object= newlibadr(fd, wrld->id.lib, mtex->object);
1711                                 }
1712                         }
1713
1714                         lib_link_scriptlink(fd, &wrld->id, &wrld->scriptlink);
1715
1716                         wrld->id.flag -= LIB_NEEDLINK;
1717                 }
1718                 wrld= wrld->id.next;
1719         }
1720 }
1721
1722 static void direct_link_world(FileData *fd, World *wrld)
1723 {
1724         int a;
1725
1726         direct_link_scriptlink(fd, &wrld->scriptlink);
1727
1728         for(a=0; a<MAX_MTEX; a++) {
1729                 wrld->mtex[a]= newdataadr(fd, wrld->mtex[a]);
1730         }
1731 }
1732
1733
1734 /* ************ READ IPO ***************** */
1735
1736 static void lib_link_ipo(FileData *fd, Main *main)
1737 {
1738         Ipo *ipo;
1739
1740         ipo= main->ipo.first;
1741         while(ipo) {
1742                 if(ipo->id.flag & LIB_NEEDLINK) {
1743
1744                         ipo->id.flag -= LIB_NEEDLINK;
1745                 }
1746                 ipo= ipo->id.next;
1747         }
1748 }
1749
1750 static void direct_link_ipo(FileData *fd, Ipo *ipo)
1751 {
1752         IpoCurve *icu;
1753
1754         link_list(fd, &(ipo->curve));
1755         icu= ipo->curve.first;
1756         while(icu) {
1757                 icu->bezt= newdataadr(fd, icu->bezt);
1758                 icu->bp= newdataadr(fd, icu->bp);
1759                 icu= icu->next;
1760         }
1761 }
1762
1763 /* ************ READ VFONT ***************** */
1764
1765 static void lib_link_vfont(FileData *fd, Main *main)
1766 {
1767         VFont *vf;
1768
1769         vf= main->vfont.first;
1770         while(vf) {
1771                 if(vf->id.flag & LIB_NEEDLINK) {
1772                         vf->id.flag -= LIB_NEEDLINK;
1773                 }
1774                 vf= vf->id.next;
1775         }
1776 }
1777
1778 static void direct_link_vfont(FileData *fd, VFont *vf)
1779 {
1780         vf->data= NULL;
1781         vf->packedfile= direct_link_packedfile(fd, vf->packedfile);
1782 }
1783
1784 /* ************ READ TEXT ****************** */
1785
1786 static void lib_link_text(FileData *fd, Main *main)
1787 {
1788         Text *text;
1789
1790         text= main->text.first;
1791         while(text) {
1792                 if(text->id.flag & LIB_NEEDLINK) {
1793                         text->id.flag -= LIB_NEEDLINK;
1794                 }
1795                 text= text->id.next;
1796         }
1797 }
1798
1799 static void direct_link_text(FileData *fd, Text *text)
1800 {
1801         TextLine *ln;
1802
1803         text->name= newdataadr(fd, text->name);
1804
1805         text->undo_pos= -1;
1806         text->undo_len= TXT_INIT_UNDO;
1807         text->undo_buf= MEM_mallocN(text->undo_len, "undo buf");
1808
1809         text->compiled= NULL;
1810
1811 /*
1812         if(text->flags & TXT_ISEXT) {
1813                 reopen_text(text);
1814         } else {
1815 */
1816
1817         link_list(fd, &text->lines);
1818
1819         text->curl= newdataadr(fd, text->curl);
1820         text->sell= newdataadr(fd, text->sell);
1821
1822         ln= text->lines.first;
1823         while(ln) {
1824                 ln->line= newdataadr(fd, ln->line);
1825
1826                 if (ln->len != (int) strlen(ln->line)) {
1827                         printf("Error loading text, line lengths differ\n");
1828                         ln->len = strlen(ln->line);
1829                 }
1830
1831                 ln= ln->next;
1832         }
1833
1834         text->flags = (text->flags|TXT_ISTMP) & ~TXT_ISEXT;
1835
1836         text->id.us= 1;
1837 }
1838
1839 /* ************ READ IMAGE ***************** */
1840
1841 static void lib_link_image(FileData *fd, Main *main)
1842 {
1843         Image *ima;
1844
1845         ima= main->image.first;
1846         while (ima) {
1847                 if(ima->id.flag & LIB_NEEDLINK) {
1848
1849                         ima->id.flag -= LIB_NEEDLINK;
1850                 }
1851                 ima= ima->id.next;
1852         }
1853 }
1854
1855 static void direct_link_image(FileData *fd, Image *ima)
1856 {
1857         ima->ibuf= 0;
1858         ima->anim= 0;
1859         memset(ima->mipmap, 0, sizeof(ima->mipmap));
1860         ima->repbind= 0;
1861         ima->bindcode= 0;
1862
1863         ima->packedfile = direct_link_packedfile(fd, ima->packedfile);
1864
1865         ima->ok= 1;
1866 }
1867
1868
1869 /* ************ READ CURVE ***************** */
1870
1871 static void lib_link_curve(FileData *fd, Main *main)
1872 {
1873         Curve *cu;
1874         int a;
1875
1876         cu= main->curve.first;
1877         while(cu) {
1878                 if(cu->id.flag & LIB_NEEDLINK) {
1879
1880                         for(a=0; a<cu->totcol; a++) cu->mat[a]= newlibadr_us(fd, cu->id.lib, cu->mat[a]);
1881
1882                         cu->bevobj= newlibadr(fd, cu->id.lib, cu->bevobj);
1883                         cu->taperobj= newlibadr(fd, cu->id.lib, cu->taperobj);
1884                         cu->textoncurve= newlibadr(fd, cu->id.lib, cu->textoncurve);
1885                         cu->vfont= newlibadr_us(fd, cu->id.lib, cu->vfont);
1886
1887                         cu->ipo= newlibadr_us(fd, cu->id.lib, cu->ipo);
1888                         cu->key= newlibadr_us(fd, cu->id.lib, cu->key);
1889
1890                         cu->id.flag -= LIB_NEEDLINK;
1891                 }
1892                 cu= cu->id.next;
1893         }
1894 }
1895
1896
1897 static void switch_endian_knots(Nurb *nu)
1898 {
1899         int len;
1900
1901         if(nu->knotsu) {
1902                 len= KNOTSU(nu);
1903                 while(len--) {
1904                         SWITCH_INT(nu->knotsu[len]);
1905                 }
1906         }
1907         if(nu->knotsv) {
1908                 len= KNOTSV(nu);
1909                 while(len--) {
1910                         SWITCH_INT(nu->knotsv[len]);
1911                 }
1912         }
1913 }
1914
1915 static void direct_link_curve(FileData *fd, Curve *cu)
1916 {
1917         Nurb *nu;
1918
1919         cu->mat= newdataadr(fd, cu->mat);
1920         test_pointer_array(fd, (void **)&cu->mat);
1921         cu->str= newdataadr(fd, cu->str);
1922
1923         if(cu->vfont==0) link_list(fd, &(cu->nurb));
1924         else {
1925                 cu->nurb.first=cu->nurb.last= 0;
1926         }
1927
1928         cu->bev.first=cu->bev.last= 0;
1929         cu->disp.first=cu->disp.last= 0;
1930         cu->path= 0;
1931
1932         nu= cu->nurb.first;
1933         while(nu) {
1934                 nu->bezt= newdataadr(fd, nu->bezt);
1935                 nu->bp= newdataadr(fd, nu->bp);
1936                 nu->knotsu= newdataadr(fd, nu->knotsu);
1937                 nu->knotsv= newdataadr(fd, nu->knotsv);
1938
1939                 if(fd->flags & FD_FLAGS_SWITCH_ENDIAN) {
1940                         switch_endian_knots(nu);
1941                 }
1942
1943                 nu= nu->next;
1944         }
1945         cu->bb= 0;
1946 }
1947
1948 /* ************ READ TEX ***************** */
1949
1950 static void lib_link_texture(FileData *fd, Main *main)
1951 {
1952         Tex *tex;
1953
1954         tex= main->tex.first;
1955         while(tex) {
1956                 if(tex->id.flag & LIB_NEEDLINK) {
1957
1958                         tex->ima= newlibadr_us(fd, tex->id.lib, tex->ima);
1959                         tex->ipo= newlibadr_us(fd, tex->id.lib, tex->ipo);
1960                         if(tex->env) tex->env->object= newlibadr(fd, tex->id.lib, tex->env->object);
1961
1962                         tex->id.flag -= LIB_NEEDLINK;
1963                 }
1964                 tex= tex->id.next;
1965         }
1966 }
1967
1968 static void direct_link_texture(FileData *fd, Tex *tex)
1969 {
1970         tex->plugin= newdataadr(fd, tex->plugin);
1971         if(tex->plugin) {
1972                 tex->plugin->handle= 0;
1973                 open_plugin_tex(tex->plugin);
1974         }
1975         tex->coba= newdataadr(fd, tex->coba);
1976         tex->env= newdataadr(fd, tex->env);
1977         if(tex->env) {
1978                 tex->env->ima= 0;
1979                 memset(tex->env->cube, 0, 6*sizeof(void *));
1980                 tex->env->ok= 0;
1981         }
1982 }
1983
1984
1985
1986 /* ************ READ MATERIAL ***************** */
1987
1988 static void lib_link_material(FileData *fd, Main *main)
1989 {
1990         Material *ma;
1991         MTex *mtex;
1992         int a;
1993
1994         ma= main->mat.first;
1995         while(ma) {
1996                 if(ma->id.flag & LIB_NEEDLINK) {
1997
1998                         ma->ipo= newlibadr_us(fd, ma->id.lib, ma->ipo);
1999
2000                         for(a=0; a<MAX_MTEX; a++) {
2001                                 mtex= ma->mtex[a];
2002                                 if(mtex) {
2003                                         mtex->tex= newlibadr_us(fd, ma->id.lib, mtex->tex);
2004                                         mtex->object= newlibadr(fd, ma->id.lib, mtex->object);
2005                                 }
2006                         }
2007                         lib_link_scriptlink(fd, &ma->id, &ma->scriptlink);
2008                         ma->id.flag -= LIB_NEEDLINK;
2009                 }
2010                 ma= ma->id.next;
2011         }
2012 }
2013
2014 static void direct_link_material(FileData *fd, Material *ma)
2015 {
2016         int a;
2017
2018         direct_link_scriptlink(fd, &ma->scriptlink);
2019
2020         for(a=0; a<MAX_MTEX; a++) {
2021                 ma->mtex[a]= newdataadr(fd, ma->mtex[a]);
2022         }
2023
2024         ma->ramp_col= newdataadr(fd, ma->ramp_col);
2025         ma->ramp_spec= newdataadr(fd, ma->ramp_spec);
2026         
2027 }
2028
2029 /* ************ READ MESH ***************** */
2030
2031 static void lib_link_mesh(FileData *fd, Main *main)
2032 {
2033         Mesh *me;
2034
2035         me= main->mesh.first;
2036         while(me) {
2037                 if(me->id.flag & LIB_NEEDLINK) {
2038                         int i;
2039
2040                         /* this check added for python created meshes */
2041                         if(me->mat) {
2042                                 for(i=0; i<me->totcol; i++)
2043                                         me->mat[i]= newlibadr_us(fd, me->id.lib, me->mat[i]);
2044                         }
2045                         else me->totcol= 0;
2046
2047                         me->ipo= newlibadr_us(fd, me->id.lib, me->ipo);
2048                         me->key= newlibadr_us(fd, me->id.lib, me->key);
2049                         me->texcomesh= newlibadr_us(fd, me->id.lib, me->texcomesh);
2050
2051                         if(me->tface) {
2052                                 TFace *tfaces= me->tface;
2053
2054                                 for (i=0; i<me->totface; i++) {
2055                                         TFace *tf= &tfaces[i];
2056
2057                                         tf->tpage= newlibadr(fd, me->id.lib, tf->tpage);
2058                                         if(tf->tpage) {
2059                                                 Image *ima= tf->tpage;
2060                                                 if(ima->id.us==0)
2061                                                         ima->id.us= 1;
2062                                         }
2063                                 }
2064                         }
2065                         me->id.flag -= LIB_NEEDLINK;
2066                 }
2067                 me= me->id.next;
2068         }
2069 }
2070
2071 static void direct_link_dverts(FileData *fd, int count, MDeformVert *mdverts)
2072 {
2073         int     i, j;
2074
2075         if (!mdverts)
2076                 return;
2077
2078         for (i=0; i<count; i++) {
2079                 mdverts[i].dw=newdataadr(fd, mdverts[i].dw);
2080                 if (!mdverts[i].dw)
2081                         mdverts[i].totweight=0;
2082
2083                 for (j=0; j< mdverts[i].totweight; j++) {
2084                         mdverts[i].dw[j].data = NULL;   // not saved in file, clear pointer
2085                 }
2086         }
2087 }
2088
2089 static void direct_link_mesh(FileData *fd, Mesh *mesh)
2090 {
2091         mesh->mat= newdataadr(fd, mesh->mat);
2092         test_pointer_array(fd, (void **)&mesh->mat);
2093
2094         mesh->mvert= newdataadr(fd, mesh->mvert);
2095         mesh->medge= newdataadr(fd, mesh->medge);
2096         mesh->mface= newdataadr(fd, mesh->mface);
2097         mesh->tface= newdataadr(fd, mesh->tface);
2098         mesh->mcol= newdataadr(fd, mesh->mcol);
2099         mesh->msticky= newdataadr(fd, mesh->msticky);
2100
2101         mesh->dvert= newdataadr(fd, mesh->dvert);
2102         direct_link_dverts(fd, mesh->totvert, mesh->dvert);
2103
2104         mesh->disp.first= mesh->disp.last= NULL;
2105         mesh->bb= NULL;
2106         mesh->oc= 0;
2107         mesh->dface= NULL;
2108         mesh->orco= NULL;
2109         mesh->decimated= NULL;
2110         mesh->derived= NULL;
2111
2112         if (mesh->tface) {
2113                 TFace *tfaces= mesh->tface;
2114                 int i;
2115
2116                 for (i=0; i<mesh->totface; i++) {
2117                         TFace *tf= &tfaces[i];
2118
2119                         if(fd->flags & FD_FLAGS_SWITCH_ENDIAN) {
2120                                 SWITCH_INT(tf->col[0]);
2121                                 SWITCH_INT(tf->col[1]);
2122                                 SWITCH_INT(tf->col[2]);
2123                                 SWITCH_INT(tf->col[3]);
2124                         }
2125                 }
2126         }
2127 }
2128
2129 /* ************ READ OBJECT ***************** */
2130
2131 static void lib_link_object(FileData *fd, Main *main)
2132 {
2133         Object *ob;
2134         bSensor *sens;
2135         bController *cont;
2136         bActuator *act;
2137         ObHook *hook;
2138         void *poin;
2139         int warn=0, a;
2140
2141         ob= main->object.first;
2142         while(ob) {
2143                 if(ob->id.flag & LIB_NEEDLINK) {
2144
2145                         ob->parent= newlibadr(fd, ob->id.lib, ob->parent);
2146                         ob->track= newlibadr(fd, ob->id.lib, ob->track);
2147                         ob->ipo= newlibadr_us(fd, ob->id.lib, ob->ipo);
2148                         ob->action = newlibadr_us(fd, ob->id.lib, ob->action);
2149
2150 //                      ob->activecon = newglobadr(fd, ob->activecon);
2151
2152                         poin= ob->data;
2153                         ob->data= newlibadr_us(fd, ob->id.lib, ob->data);
2154
2155                         if(ob->data==NULL && poin!=NULL) {
2156                                 ob->type= OB_EMPTY;
2157                                 warn= 1;
2158                                 if(ob->id.lib) printf("Can't find obdata of %s lib %s\n", ob->id.name+2, ob->id.lib->name);
2159                                 else printf("Object %s lost data. Lib:%x\n", ob->id.name+2, (unsigned int) ob->id.lib);
2160                         }
2161                         for(a=0; a<ob->totcol; a++) ob->mat[a]= newlibadr_us(fd, ob->id.lib, ob->mat[a]);
2162
2163                         ob->id.flag -= LIB_NEEDLINK;
2164                         /* if id.us==0 a new base will be created later on */
2165
2166                         /* WARNING! Also check expand_object(), should reflect the stuff below. */
2167                         lib_link_pose(fd, &ob->id, ob->pose);
2168                         lib_link_constraints(fd, &ob->id, &ob->constraints);
2169                         lib_link_nlastrips(fd, &ob->id, &ob->nlastrips);
2170                         lib_link_constraint_channels(fd, &ob->id, &ob->constraintChannels);
2171
2172
2173                         sens= ob->sensors.first;
2174                         while(sens) {
2175                                 if(ob->id.lib==NULL) {  // done in expand_main
2176                                         for(a=0; a<sens->totlinks; a++) {
2177                                                 sens->links[a]= newglobadr(fd, sens->links[a]);
2178                                         }
2179                                 }
2180                                 if(sens->type==SENS_TOUCH) {
2181                                         bTouchSensor *ts= sens->data;
2182                                         ts->ma= newlibadr(fd, ob->id.lib, ts->ma);
2183                                 }
2184                                 else if(sens->type==SENS_MESSAGE) {
2185                                         bMessageSensor *ms= sens->data;
2186                                         ms->fromObject=
2187                                             newlibadr(fd, ob->id.lib, ms->fromObject);
2188                                 }
2189                                 sens= sens->next;
2190                         }
2191
2192                         cont= ob->controllers.first;
2193                         while(cont) {
2194                                 if(ob->id.lib==NULL) {  // done in expand_main
2195                                         for(a=0; a<cont->totlinks; a++) {
2196                                                 cont->links[a]= newglobadr(fd, cont->links[a]);
2197                                         }
2198                                 }
2199                                 if(cont->type==CONT_PYTHON) {
2200                                         bPythonCont *pc= cont->data;
2201                                         pc->text= newlibadr(fd, ob->id.lib, pc->text);
2202                                 }
2203                                 cont->slinks= NULL;
2204                                 cont->totslinks= 0;
2205
2206                                 cont= cont->next;
2207                         }
2208
2209                         act= ob->actuators.first;
2210                         while(act) {
2211                                 if(act->type==ACT_SOUND) {
2212                                         bSoundActuator *sa= act->data;
2213                                         sa->sound= newlibadr_us(fd, ob->id.lib, sa->sound);
2214                                 }
2215                                 else if(act->type==ACT_CD) {
2216                                         /* bCDActuator *cda= act->data; */
2217                                 }
2218                                 else if(act->type==ACT_GAME) {
2219                                         /* bGameActuator *ga= act->data; */
2220                                 }
2221                                 else if(act->type==ACT_CAMERA) {
2222                                         bCameraActuator *ca= act->data;
2223                                         ca->ob= newlibadr(fd, ob->id.lib, ca->ob);
2224                                 }
2225                                         /* leave this one, it's obsolete but necessary to read for conversion */
2226                                 else if(act->type==ACT_ADD_OBJECT) {
2227                                         bAddObjectActuator *eoa= act->data;
2228                                         if(eoa) eoa->ob= newlibadr(fd, ob->id.lib, eoa->ob);
2229                                 }
2230                                 else if(act->type==ACT_EDIT_OBJECT) {
2231                                         bEditObjectActuator *eoa= act->data;
2232                                         if(eoa==NULL) {
2233                                                 init_actuator(act);
2234                                         }
2235                                         eoa->ob= newlibadr(fd, ob->id.lib, eoa->ob);
2236                                         eoa->me= newlibadr(fd, ob->id.lib, eoa->me);
2237                                 }
2238                                 else if(act->type==ACT_SCENE) {
2239                                         bSceneActuator *sa= act->data;
2240                                         sa->camera= newlibadr(fd, ob->id.lib, sa->camera);
2241                                         sa->scene= newlibadr(fd, ob->id.lib, sa->scene);
2242                                 }
2243                                 else if(act->type==ACT_ACTION) {
2244                                         bActionActuator *aa= act->data;
2245                                         aa->act= newlibadr(fd, ob->id.lib, aa->act);
2246                                 }
2247                                 else if(act->type==ACT_PROPERTY) {
2248                                         bPropertyActuator *pa= act->data;
2249                                         pa->ob= newlibadr(fd, ob->id.lib, pa->ob);
2250                                 }
2251                                 else if(act->type==ACT_MESSAGE) {
2252                                         bMessageActuator *ma= act->data;
2253                                         ma->toObject= newlibadr(fd, ob->id.lib, ma->toObject);
2254                                 }
2255                                 act= act->next;
2256                         }
2257
2258                         lib_link_scriptlink(fd, &ob->id, &ob->scriptlink);
2259                         
2260                         for(hook= ob->hooks.first; hook; hook= hook->next) {
2261                                 hook->parent= newlibadr(fd, ob->id.lib, hook->parent);
2262                         }
2263                 }
2264                 ob= ob->id.next;
2265         }
2266
2267         if(warn) error("WARNING IN CONSOLE");
2268 }
2269
2270
2271 static void direct_link_pose(FileData *fd, bPose *pose) {
2272
2273         bPoseChannel *chan;
2274
2275         if (!pose)
2276                 return;
2277
2278         link_list(fd, &pose->chanbase);
2279
2280         for (chan = pose->chanbase.first; chan; chan=chan->next) {
2281                 direct_link_constraints(fd, &chan->constraints);
2282         }
2283
2284 }
2285
2286 static void direct_link_object(FileData *fd, Object *ob)
2287 {
2288         PartEff *paf;
2289         bProperty *prop;
2290         bSensor *sens;
2291         bController *cont;
2292         bActuator *act;
2293         ObHook *hook;
2294         int a;
2295         
2296         ob->disp.first=ob->disp.last= NULL;
2297
2298         ob->pose= newdataadr(fd, ob->pose);
2299         direct_link_pose(fd, ob->pose);
2300
2301         link_list(fd, &ob->defbase);
2302         link_list(fd, &ob->nlastrips);
2303         link_list(fd, &ob->constraintChannels);
2304
2305         ob->activecon = newdataadr(fd, ob->activecon);
2306
2307         direct_link_scriptlink(fd, &ob->scriptlink);
2308
2309         ob->mat= newdataadr(fd, ob->mat);
2310         test_pointer_array(fd, (void **)&ob->mat);
2311         link_list(fd, &ob->effect);
2312         paf= ob->effect.first;
2313         while(paf) {
2314                 if(paf->type==EFF_PARTICLE) {
2315                         paf->keys= 0;
2316                 }
2317                 if(paf->type==EFF_WAVE) {
2318
2319                 }
2320                 paf= paf->next;
2321         }
2322
2323         ob->pd= newdataadr(fd, ob->pd);
2324         ob->soft= newdataadr(fd, ob->soft);
2325         if(ob->soft) {
2326                 SoftBody *sb= ob->soft;         
2327                 
2328                 sb->bpoint= NULL;       // init pointers so it gets rebuilt nicely
2329                 sb->bspring= NULL;
2330                 
2331                 sb->keys= newdataadr(fd, sb->keys);
2332                 test_pointer_array(fd, (void **)&sb->keys);
2333                 if(sb->keys) {
2334                         for(a=0; a<sb->totkey; a++) {
2335                                 sb->keys[a]= newdataadr(fd, sb->keys[a]);
2336                         }
2337                 }
2338         }
2339         
2340         link_list(fd, &ob->prop);
2341         prop= ob->prop.first;
2342         while(prop) {
2343                 prop->poin= newdataadr(fd, prop->poin);
2344                 if(prop->poin==0) prop->poin= &prop->data;
2345                 prop= prop->next;
2346         }
2347
2348         link_list(fd, &ob->sensors);
2349         sens= ob->sensors.first;
2350         while(sens) {
2351                 sens->data= newdataadr(fd, sens->data);
2352                 sens->links= newdataadr(fd, sens->links);
2353                 test_pointer_array(fd, (void **)&sens->links);
2354                 sens= sens->next;
2355         }
2356
2357         direct_link_constraints(fd, &ob->constraints);
2358
2359         link_glob_list(fd, &ob->controllers);
2360         cont= ob->controllers.first;
2361         while(cont) {
2362                 cont->data= newdataadr(fd, cont->data);
2363                 cont->links= newdataadr(fd, cont->links);
2364                 test_pointer_array(fd, (void **)&cont->links);
2365                 cont= cont->next;
2366         }
2367
2368         link_glob_list(fd, &ob->actuators);
2369         act= ob->actuators.first;
2370         while(act) {
2371                 act->data= newdataadr(fd, act->data);
2372                 act= act->next;
2373         }
2374
2375         link_list(fd, &ob->hooks);
2376         for(hook= ob->hooks.first; hook; hook= hook->next) {
2377                 hook->indexar= newdataadr(fd, hook->indexar);
2378                 if(fd->flags & FD_FLAGS_SWITCH_ENDIAN) {
2379                         int a;
2380                         for(a=0; a<hook->totindex; a++) {
2381                                 SWITCH_INT(hook->indexar[a]);
2382                         }
2383                 }
2384         }
2385         
2386         ob->bb= NULL;
2387 }
2388
2389 /* ************ READ SCENE ***************** */
2390
2391 static void lib_link_scene(FileData *fd, Main *main)
2392 {
2393         Scene *sce;
2394         Base *base, *next;
2395         Editing *ed;
2396         Sequence *seq;
2397
2398         sce= main->scene.first;
2399         while(sce) {
2400                 if(sce->id.flag & LIB_NEEDLINK) {
2401                         sce->id.us= 1;
2402                         sce->camera= newlibadr(fd, sce->id.lib, sce->camera);
2403                         sce->world= newlibadr_us(fd, sce->id.lib, sce->world);
2404                         sce->set= newlibadr(fd, sce->id.lib, sce->set);
2405                         sce->ima= newlibadr_us(fd, sce->id.lib, sce->ima);
2406                         sce->group= newlibadr_us(fd, sce->id.lib, sce->group);
2407
2408                         base= sce->base.first;
2409                         while(base) {
2410                                 next= base->next;
2411
2412                                 /* base->object= newlibadr_us(fd, sce->id.lib, base->object); */
2413                                 base->object= newlibadr_us_type(fd, ID_OB, base->object);
2414                                 
2415                                 /* when save during radiotool, needs cleared */
2416                                 base->flag &= ~OB_RADIO;
2417                                 
2418                                 if(base->object==0) {
2419                                         printf("LIB ERROR: base removed\n");
2420                                         BLI_remlink(&sce->base, base);
2421                                         if(base==sce->basact) sce->basact= 0;
2422                                         MEM_freeN(base);
2423                                 }
2424                                 base= next;
2425                         }
2426
2427                         ed= sce->ed;
2428                         if(ed) {
2429                                 WHILE_SEQ(&ed->seqbase) {
2430                                         if(seq->ipo) seq->ipo= newlibadr_us(fd, sce->id.lib, seq->ipo);
2431                                         if(seq->scene) seq->scene= newlibadr(fd, sce->id.lib, seq->scene);
2432                                         if(seq->sound) {
2433                                                 seq->sound= newlibadr(fd, sce->id.lib, seq->sound);
2434                                                 if (seq->sound) {
2435                                                         seq->sound->id.us++;
2436                                                         seq->sound->flags |= SOUND_FLAGS_SEQUENCE;
2437                                                 }
2438                                         }
2439                                         seq->anim= 0;
2440                                 }
2441                                 END_SEQ
2442                         }
2443                         
2444                         lib_link_scriptlink(fd, &sce->id, &sce->scriptlink);
2445                         
2446                         sce->id.flag -= LIB_NEEDLINK;
2447                 }
2448
2449                 sce= sce->id.next;
2450         }
2451 }
2452
2453 static void link_recurs_seq(FileData *fd, ListBase *lb)
2454 {
2455         Sequence *seq;
2456
2457         link_list(fd, lb);
2458         seq= lb->first;
2459         while(seq) {
2460                 if(seq->seqbase.first) link_recurs_seq(fd, &seq->seqbase);
2461                 seq= seq->next;
2462         }
2463 }
2464
2465 static void direct_link_scene(FileData *fd, Scene *sce)
2466 {
2467         Editing *ed;
2468         Sequence *seq;
2469         MetaStack *ms;
2470         StripElem *se;
2471         int a;
2472
2473         link_list(fd, &(sce->base));
2474
2475         sce->basact= newdataadr(fd, sce->basact);
2476
2477         sce->radio= newdataadr(fd, sce->radio);
2478
2479         sce->r.avicodecdata = newdataadr(fd, sce->r.avicodecdata);
2480         if (sce->r.avicodecdata) {
2481                 sce->r.avicodecdata->lpFormat = newdataadr(fd, sce->r.avicodecdata->lpFormat);
2482                 sce->r.avicodecdata->lpParms = newdataadr(fd, sce->r.avicodecdata->lpParms);
2483         }
2484
2485         sce->r.qtcodecdata = newdataadr(fd, sce->r.qtcodecdata);
2486         if (sce->r.qtcodecdata) {
2487                 sce->r.qtcodecdata->cdParms = newdataadr(fd, sce->r.qtcodecdata->cdParms);
2488         }
2489
2490         if(sce->ed) {
2491                 ed= sce->ed= newdataadr(fd, sce->ed);
2492
2493                 /* recursive link sequences, lb will be correctly initialized */
2494                 link_recurs_seq(fd, &ed->seqbase);
2495
2496                 WHILE_SEQ(&ed->seqbase) {
2497                         seq->seq1= newdataadr(fd, seq->seq1);
2498                         seq->seq2= newdataadr(fd, seq->seq2);
2499                         seq->seq3= newdataadr(fd, seq->seq3);
2500                         /* a patch: after introduction of effects with 3 input strips */
2501                         if(seq->seq3==0) seq->seq3= seq->seq2;
2502
2503                         seq->curelem= 0;
2504
2505                         seq->plugin= newdataadr(fd, seq->plugin);
2506                         if(seq->plugin) open_plugin_seq(seq->plugin, seq->name+2);
2507
2508                         seq->effectdata= newdataadr(fd, seq->effectdata);
2509
2510                         seq->strip= newdataadr(fd, seq->strip);
2511                         if(seq->strip && seq->strip->done==0) {
2512                                 seq->strip->done= 1;
2513
2514                                 /* standard: strips from effects/metas are not written, but are mallocced */
2515
2516                                 if(seq->type==SEQ_IMAGE) {
2517                                         seq->strip->stripdata= newdataadr(fd, seq->strip->stripdata);
2518                                         se= seq->strip->stripdata;
2519                                         if(se) {
2520                                                 for(a=0; a<seq->strip->len; a++, se++) {
2521                                                         se->ok= 1;
2522                                                         se->ibuf= 0;
2523                                                 }
2524                                         }
2525                                 }
2526                                 else if(seq->type==SEQ_MOVIE) {
2527                                         /* only first stripelem is in file */
2528                                         se= newdataadr(fd, seq->strip->stripdata);
2529
2530                                         if(se) {
2531                                                 seq->strip->stripdata= MEM_callocN(seq->len*sizeof(StripElem), "stripelem");
2532                                                 *seq->strip->stripdata= *se;
2533                                                 MEM_freeN(se);
2534
2535                                                 se= seq->strip->stripdata;
2536
2537                                                 for(a=0; a<seq->strip->len; a++, se++) {
2538                                                         se->ok= 1;
2539                                                         se->ibuf= 0;
2540                                                         se->nr= a + 1;
2541                                                 }
2542                                         }
2543                                 }
2544                                 else if(seq->type==SEQ_SOUND) {
2545                                         /* only first stripelem is in file */
2546                                         se= newdataadr(fd, seq->strip->stripdata);
2547
2548                                         if(se) {
2549                                                 seq->strip->stripdata= MEM_callocN(seq->len*sizeof(StripElem), "stripelem");
2550                                                 *seq->strip->stripdata= *se;
2551                                                 MEM_freeN(se);
2552
2553                                                 se= seq->strip->stripdata;
2554
2555                                                 for(a=0; a<seq->strip->len; a++, se++) {
2556                                                         se->ok= 2; /* why? */
2557                                                         se->ibuf= 0;
2558                                                         se->nr= a + 1;
2559                                                 }
2560                                         }
2561                                 }
2562                                 else if(seq->len>0)
2563                                         seq->strip->stripdata= MEM_callocN(seq->len*sizeof(StripElem), "stripelem");
2564
2565                         }
2566                 }
2567                 END_SEQ
2568                         
2569                 /* link metastack, slight abuse of structs here, have to restore pointer to internal part in struct */
2570                 {
2571                         Sequence temp;
2572                         char *poin;
2573                         long offset;
2574                         /*int seted=0;*/ /*unused*/
2575                         
2576                         offset= ((long)&(temp.seqbase)) - ((long)&temp);
2577
2578                         /* root pointer */
2579                         poin= (char *)ed->seqbasep;
2580                         poin -= offset;
2581                         poin= newdataadr(fd, poin);
2582                         if(poin) ed->seqbasep= (ListBase *)(poin+offset);
2583                         else ed->seqbasep= &ed->seqbase;
2584                         
2585                         /* stack */
2586                         link_list(fd, &(ed->metastack));
2587                         
2588                         for(ms= ed->metastack.first; ms; ms= ms->next) {
2589                                 ms->parseq= newdataadr(fd, ms->parseq);
2590                                 
2591                                 poin= (char *)ms->oldbasep;
2592                                 poin -= offset;
2593                                 poin= newdataadr(fd, poin);
2594                                 if(poin) ms->oldbasep= (ListBase *)(poin+offset);
2595                                 else ms->oldbasep= &ed->seqbase;
2596                         }
2597                 }
2598         }
2599
2600         direct_link_scriptlink(fd, &sce->scriptlink);
2601 }
2602
2603 /* ************ READ SCREEN ***************** */
2604
2605 /* note: file read without screens option G_FILE_NO_UI; 
2606    check lib pointers in call below */
2607 static void lib_link_screen(FileData *fd, Main *main)
2608 {
2609         bScreen *sc;
2610         ScrArea *sa;
2611
2612         sc= main->screen.first;
2613         while(sc) {
2614                 if(sc->id.flag & LIB_NEEDLINK) {
2615                         sc->id.us= 1;
2616                         sc->scene= newlibadr(fd, sc->id.lib, sc->scene);
2617
2618                         sa= sc->areabase.first;
2619                         while(sa) {
2620                                 SpaceLink *sl;
2621
2622                                 sa->full= newlibadr(fd, sc->id.lib, sa->full);
2623
2624                                 for (sl= sa->spacedata.first; sl; sl= sl->next) {
2625                                         if(sl->spacetype==SPACE_VIEW3D) {
2626                                                 View3D *v3d= (View3D*) sl;
2627
2628                                                 v3d->camera= newlibadr(fd, sc->id.lib, v3d->camera);
2629
2630                                                 if(v3d->bgpic) {
2631                                                         v3d->bgpic->ima= newlibadr_us(fd, sc->id.lib, v3d->bgpic->ima);
2632                                                         v3d->bgpic->tex= newlibadr_us(fd, sc->id.lib, v3d->bgpic->tex);
2633                                                         v3d->bgpic->rect= NULL;
2634                                                 }
2635                                                 if(v3d->localvd) {
2636                                                         v3d->localvd->camera= newlibadr(fd, sc->id.lib, v3d->localvd->camera);
2637                                                 }
2638                                         }
2639                                         else if(sl->spacetype==SPACE_IPO) {
2640                                                 SpaceIpo *sipo= (SpaceIpo *)sl;
2641                                                 sipo->editipo= 0;
2642                                                 
2643                                                 if(sipo->blocktype==ID_SEQ) sipo->from= NULL;   // no libdata
2644                                                 else sipo->from= newlibadr(fd, sc->id.lib, sipo->from);
2645                                                 
2646                                                 sipo->ipokey.first= sipo->ipokey.last= 0;
2647                                                 sipo->ipo= newlibadr(fd, sc->id.lib, sipo->ipo);
2648                                         }
2649                                         else if(sl->spacetype==SPACE_BUTS) {
2650                                                 SpaceButs *sbuts= (SpaceButs *)sl;
2651                                                 sbuts->rect= NULL;
2652                                                 sbuts->lockpoin= NULL;
2653                                                 if(main->versionfile<132) set_rects_butspace(sbuts);
2654                                         }
2655                                         else if(sl->spacetype==SPACE_FILE) {
2656                                                 SpaceFile *sfile= (SpaceFile *)sl;
2657
2658                                                 sfile->filelist= 0;
2659                                                 sfile->libfiledata= 0;
2660                                                 sfile->returnfunc= 0;
2661                                         }
2662                                         else if(sl->spacetype==SPACE_IMASEL) {
2663                                                 check_imasel_copy((SpaceImaSel *)sl);
2664                                         }
2665                                         else if(sl->spacetype==SPACE_ACTION) {
2666                                                 SpaceAction *saction= (SpaceAction *)sl;
2667                                                 saction->action = newlibadr(fd, sc->id.lib, saction->action);
2668                                         }
2669                                         else if(sl->spacetype==SPACE_IMAGE) {
2670                                                 SpaceImage *sima= (SpaceImage *)sl;
2671
2672                                                 sima->image= newlibadr_us(fd, sc->id.lib, sima->image);
2673                                         }
2674                                         else if(sl->spacetype==SPACE_NLA){
2675                                                 /* SpaceNla *snla= (SpaceNla *)sl;      */
2676                                         }
2677                                         else if(sl->spacetype==SPACE_TEXT) {
2678                                                 SpaceText *st= (SpaceText *)sl;
2679
2680                                                 st->text= newlibadr(fd, sc->id.lib, st->text);
2681
2682                                         }
2683                                         else if(sl->spacetype==SPACE_SCRIPT) {
2684                                                 SpaceScript *sc= (SpaceScript *)sl;
2685
2686                                                 sc->script = NULL;
2687                                         }
2688                                         else if(sl->spacetype==SPACE_OOPS) {
2689                                                 SpaceOops *so= (SpaceOops *)sl;
2690                                                 Oops *oops;
2691                                                 TreeStoreElem *tselem;
2692                                                 int a;
2693
2694                                                 oops= so->oops.first;
2695                                                 while(oops) {
2696                                                         oops->id= newlibadr(fd, NULL, oops->id);
2697                                                         oops= oops->next;
2698                                                 }
2699                                                 so->lockpoin= NULL;
2700                                                 so->tree.first= so->tree.last= NULL;
2701                                                 
2702                                                 if(so->treestore) {
2703                                                         tselem= so->treestore->data;
2704                                                         for(a=0; a<so->treestore->usedelem; a++, tselem++) {
2705                                                                 tselem->id= newlibadr(fd, NULL, tselem->id);
2706                                                         }
2707                                                 }
2708                                         }
2709                                         else if(sl->spacetype==SPACE_SOUND) {
2710                                                 SpaceSound *ssound= (SpaceSound *)sl;
2711
2712                                                 ssound->sound= newlibadr_us(fd, sc->id.lib, ssound->sound);
2713                                         }
2714                                 }
2715                                 sa= sa->next;
2716                         }
2717                         sc->id.flag -= LIB_NEEDLINK;
2718                 }
2719                 sc= sc->id.next;
2720         }
2721 }
2722
2723 static void *restore_pointer_by_name(Main *mainp, ID *id, int user)
2724 {
2725         ListBase *lb;
2726         ID *idn=NULL;
2727                 
2728         if(id) {
2729                 lb= wich_libbase(mainp, GS(id->name));
2730                 
2731                 if(lb) {        // there's still risk of checking corrupt mem (freed Ids in oops)
2732                         idn= lb->first;
2733                         while(idn) {
2734                                 if( strcmp(idn->name, id->name)==0) {
2735                                         if(user && idn->us==0) idn->us++;
2736                                         break;
2737                                 }
2738                                 idn= idn->next;
2739                         }
2740                 }
2741         }
2742         return idn;
2743 }
2744
2745 /* called from kernel/blender.c */
2746 void lib_link_screen_restore(Main *newmain, char mode, Scene *curscene)
2747 {
2748         bScreen *sc;
2749         ScrArea *sa;
2750
2751         sc= newmain->screen.first;
2752         while(sc) {
2753
2754                 if(mode=='u') sc->scene= restore_pointer_by_name(newmain, (ID *)sc->scene, 1);
2755                 if(sc->scene==NULL || mode=='n') sc->scene= curscene;
2756
2757                 sa= sc->areabase.first;
2758                 while(sa) {
2759                         SpaceLink *sl;
2760
2761                         for (sl= sa->spacedata.first; sl; sl= sl->next) {
2762                                 if(sl->spacetype==SPACE_VIEW3D) {
2763                                         View3D *v3d= (View3D*) sl;
2764                                         
2765                                         if(mode=='u') v3d->camera= restore_pointer_by_name(newmain, (ID *)v3d->camera, 1);
2766                                         if(v3d->camera==NULL || mode=='n') v3d->camera= sc->scene->camera;
2767                                         
2768                                         if(v3d->bgpic) {
2769                                                 v3d->bgpic->ima= restore_pointer_by_name(newmain, (ID *)v3d->bgpic->ima, 1);
2770                                                 v3d->bgpic->tex= restore_pointer_by_name(newmain, (ID *)v3d->bgpic->tex, 1);
2771                                                 if(v3d->bgpic->rect) freeN(v3d->bgpic->rect);
2772                                                 v3d->bgpic->rect= NULL;
2773                                         }
2774                                         if(v3d->localvd) {
2775                                                 Base *base;
2776                                                 if(mode=='u') v3d->localvd->camera= restore_pointer_by_name(newmain, (ID *)v3d->localvd->camera, 1);
2777                                                 if(v3d->localvd->camera==NULL || mode=='n') v3d->localvd->camera= sc->scene->camera;
2778                                                 
2779                                                 /* localview can become invalid during undo/redo steps, so we exit it when no could be found */
2780                                                 for(base= sc->scene->base.first; base; base= base->next) {
2781                                                         if(base->lay & v3d->lay) break;
2782                                                 }
2783                                                 if(base==NULL) {
2784                                                         v3d->lay= v3d->localvd->lay;
2785                                                         v3d->layact= v3d->localvd->layact;
2786                                                         MEM_freeN(v3d->localvd);
2787                                                         v3d->localvd= NULL;
2788                                                         v3d->localview= 0;
2789                                                 }
2790                                         }
2791                                         else if(v3d->scenelock) v3d->lay= sc->scene->lay;
2792                                         
2793                                 }
2794                                 else if(sl->spacetype==SPACE_IPO) {
2795                                         SpaceIpo *sipo= (SpaceIpo *)sl;
2796                                         
2797                                         if(sipo->blocktype==ID_SEQ) sipo->from= NULL;   // no libdata
2798                                         else sipo->from= restore_pointer_by_name(newmain, (ID *)sipo->from, 0);
2799                                         
2800                                         // not free sipo->ipokey, creates dependency with src/
2801                                         sipo->ipo= restore_pointer_by_name(newmain, (ID *)sipo->ipo, 0);
2802                                         if(sipo->editipo) MEM_freeN(sipo->editipo);
2803                                         sipo->editipo= NULL;
2804                                 }
2805                                 else if(sl->spacetype==SPACE_BUTS) {
2806                                         SpaceButs *sbuts= (SpaceButs *)sl;
2807                                         sbuts->lockpoin= NULL;
2808                                         sbuts->cury= 0; // we leave rect, for nicer redraws
2809                                 }
2810                                 else if(sl->spacetype==SPACE_FILE) {
2811                                         SpaceFile *sfile= (SpaceFile *)sl;
2812                                         if(sfile->libfiledata)  
2813                                                 BLO_blendhandle_close(sfile->libfiledata);
2814                                         sfile->libfiledata= 0;
2815                                 }
2816                                 else if(sl->spacetype==SPACE_IMASEL) {
2817                                         ;
2818                                 }
2819                                 else if(sl->spacetype==SPACE_ACTION) {
2820                                         SpaceAction *saction= (SpaceAction *)sl;
2821                                         saction->action = restore_pointer_by_name(newmain, (ID *)saction->action, 1);
2822                                 }
2823                                 else if(sl->spacetype==SPACE_IMAGE) {
2824                                         SpaceImage *sima= (SpaceImage *)sl;
2825
2826                                         sima->image= restore_pointer_by_name(newmain, (ID *)sima->image, 1);
2827                                 }
2828                                 else if(sl->spacetype==SPACE_NLA){
2829                                         /* SpaceNla *snla= (SpaceNla *)sl;      */
2830                                 }
2831                                 else if(sl->spacetype==SPACE_TEXT) {
2832                                         SpaceText *st= (SpaceText *)sl;
2833
2834                                         st->text= restore_pointer_by_name(newmain, (ID *)st->text, 1);
2835                                         if(st->text==NULL) st->text= newmain->text.first;
2836                                 }
2837                                 else if(sl->spacetype==SPACE_SCRIPT) {
2838                                         SpaceScript *sc= (SpaceScript *)sl;
2839
2840                                         sc->script = NULL;
2841                                 }
2842                                 else if(sl->spacetype==SPACE_OOPS) {
2843                                         SpaceOops *so= (SpaceOops *)sl;
2844                                         Oops *oops;
2845                                         
2846                                         int a;
2847                                         oops= so->oops.first;
2848                                         while(oops) {
2849                                                 oops->id= restore_pointer_by_name(newmain, (ID *)oops->id, 0);
2850                                                 oops= oops->next;
2851                                         }
2852                                         so->lockpoin= NULL;
2853                                         
2854                                         if(so->treestore) {
2855                                                 TreeStore *ts= so->treestore;
2856                                                 TreeStoreElem *tselem=ts->data;
2857                                                 for(a=0; a<ts->usedelem; a++, tselem++) {
2858                                                         tselem->id= restore_pointer_by_name(newmain, tselem->id, 0);
2859                                                 }
2860                                         }
2861                                 }
2862                                 else if(sl->spacetype==SPACE_SOUND) {
2863                                         SpaceSound *ssound= (SpaceSound *)sl;
2864
2865                                         ssound->sound= restore_pointer_by_name(newmain, (ID *)ssound->sound, 1);
2866                                 }
2867                         }
2868                         sa= sa->next;
2869                 }
2870
2871                 sc= sc->id.next;
2872         }
2873
2874 }
2875
2876 static void direct_link_screen(FileData *fd, bScreen *sc)
2877 {
2878         ScrArea *sa;
2879         ScrVert *sv;
2880         ScrEdge *se;
2881         Oops *oops;
2882
2883         link_list(fd, &(sc->vertbase));
2884         link_list(fd, &(sc->edgebase));
2885         link_list(fd, &(sc->areabase));
2886         sc->winakt= 0;
2887
2888         /* edges */
2889         se= sc->edgebase.first;
2890         while(se) {
2891                 se->v1= newdataadr(fd, se->v1);
2892                 se->v2= newdataadr(fd, se->v2);
2893                 if( (long)se->v1 > (long)se->v2) {
2894                         sv= se->v1;
2895                         se->v1= se->v2;
2896                         se->v2= sv;
2897                 }
2898
2899                 if(se->v1==NULL) {
2900                         printf("error reading screen... file corrupt\n");
2901                         se->v1= se->v2;
2902                 }
2903                 se= se->next;
2904         }
2905
2906         /* areas */
2907         sa= sc->areabase.first;
2908         while(sa) {
2909                 Panel *pa;
2910                 SpaceLink *sl;
2911
2912                 link_list(fd, &(sa->spacedata));
2913                 link_list(fd, &(sa->panels));
2914
2915                 for(pa= sa->panels.first; pa; pa=pa->next) {
2916                         pa->paneltab= newdataadr(fd, pa->paneltab);
2917                         pa->active= 0;
2918                         pa->sortcounter= 0;
2919                 }
2920
2921                 for (sl= sa->spacedata.first; sl; sl= sl->next) {
2922                         if (sl->spacetype==SPACE_VIEW3D) {
2923                                 View3D *v3d= (View3D*) sl;
2924                                 v3d->bgpic= newdataadr(fd, v3d->bgpic);
2925                                 v3d->localvd= newdataadr(fd, v3d->localvd);
2926                         }
2927                         else if (sl->spacetype==SPACE_OOPS) {
2928                                 SpaceOops *soops= (SpaceOops*) sl;
2929                                 
2930                                 link_list(fd, &(soops->oops));
2931                                 oops= soops->oops.first;
2932                                 while(oops) {
2933                                         oops->link.first= oops->link.last= 0;
2934                                         oops= oops->next;
2935                                 }
2936                                 
2937                                 soops->treestore= newdataadr(fd, soops->treestore);
2938                                 if(soops->treestore) {
2939                                         soops->treestore->data= newdataadr(fd, soops->treestore->data);
2940                                         /* we only saved what was used */
2941                                         soops->treestore->totelem= soops->treestore->usedelem;
2942                                         soops->storeflag |= SO_TREESTORE_CLEANUP;       // at first draw
2943                                 }
2944                         }
2945                 }
2946
2947                 sa->v1= newdataadr(fd, sa->v1);
2948                 sa->v2= newdataadr(fd, sa->v2);
2949                 sa->v3= newdataadr(fd, sa->v3);
2950                 sa->v4= newdataadr(fd, sa->v4);
2951
2952                 sa->win= sa->headwin= 0;
2953
2954                 sa->uiblocks.first= sa->uiblocks.last= NULL;
2955
2956                 sa= sa->next;
2957         }
2958 }
2959
2960 /* ********** READ LIBRARY *************** */
2961
2962
2963 static void direct_link_library(FileData *fd, Library *lib)
2964 {
2965         Main *newmain;
2966
2967         /* new main */
2968         newmain= MEM_callocN(sizeof(Main), "directlink");
2969         BLI_addtail(&fd->mainlist, newmain);
2970         newmain->curlib= lib;
2971 }
2972
2973 static void lib_link_library(FileData *fd, Main *main)
2974 {
2975         Library *lib;
2976
2977         lib= main->library.first;
2978         while(lib) {
2979                 lib->id.us= 1;
2980                 lib= lib->id.next;
2981         }
2982 }
2983
2984 /* ************** READ SOUND ******************* */
2985
2986 static void direct_link_sound(FileData *fd, bSound *sound)
2987 {
2988         sound->sample = NULL;
2989         sound->snd_sound = NULL;
2990
2991         sound->packedfile = direct_link_packedfile(fd, sound->packedfile);
2992         sound->newpackedfile = direct_link_packedfile(fd, sound->newpackedfile);
2993 }
2994
2995 static void lib_link_sound(FileData *fd, Main *main)
2996 {
2997         bSound *sound;
2998
2999         sound= main->sound.first;
3000         while(sound) {
3001                 if(sound->id.flag & LIB_NEEDLINK) {
3002                         sound->id.flag -= LIB_NEEDLINK;
3003                         sound->ipo= newlibadr_us(fd, sound->id.lib, sound->ipo);
3004                         sound->stream = 0;
3005                 }
3006                 sound= sound->id.next;
3007         }
3008 }
3009 /* ***************** READ GROUP *************** */
3010
3011 static void direct_link_group(FileData *fd, Group *group)
3012 {
3013         GroupObject *go;
3014         ObjectKey *ok;
3015
3016         link_list(fd, &group->gobject);
3017         link_list(fd, &group->gkey);
3018         group->active= newdataadr(fd, group->active);
3019
3020         go= group->gobject.first;
3021         while(go) {
3022                 link_list(fd, &go->okey);
3023                 ok= go->okey.first;
3024                 while(ok) {
3025                         ok->gkey= newdataadr(fd, ok->gkey);
3026                         ok= ok->next;
3027                 }
3028                 go= go->next;
3029         }
3030 }
3031
3032 static void lib_link_group(FileData *fd, Main *main)
3033 {
3034         Group *group= main->group.first;
3035         GroupObject *go;
3036         ObjectKey *ok;
3037
3038         while(group) {
3039                 if(group->id.flag & LIB_NEEDLINK) {
3040                         group->id.flag -= LIB_NEEDLINK;
3041
3042                         go= group->gobject.first;
3043                         while(go) {
3044                                 go->ob= newlibadr(fd, group->id.lib, go->ob);
3045                                 ok= go->okey.first;
3046                                 while(ok) {
3047                                         ok->parent= newlibadr(fd, group->id.lib, ok->parent);
3048                                         ok->track= newlibadr(fd, group->id.lib, ok->track);
3049                                         ok->ipo= newlibadr_us(fd, group->id.lib, ok->ipo);
3050                                         ok= ok->next;
3051                                 }
3052                                 go= go->next;
3053                         }
3054                 }
3055                 group= group->id.next;
3056         }
3057 }
3058
3059 /* ************** GENERAL & MAIN ******************** */
3060
3061 static BHead *read_libblock(FileData *fd, Main *main, BHead *bhead, int flag, ID **id_r)
3062 {
3063         /* this routine reads a libblock and its direct data. Use link functions
3064          * to connect it all
3065          */
3066
3067         ID *id;
3068         ListBase *lb;
3069         char *str = NULL;
3070
3071         if(bhead->code==ID_ID) {
3072                 ID *linkedid= (ID *)(bhead + 1); /*  BHEAD+DATA dependancy */
3073
3074                 lb= wich_libbase(main, GS(linkedid->name));
3075         }
3076         else {
3077                 lb= wich_libbase(main, bhead->code);
3078         }
3079
3080         /* read libblock */
3081         id = read_struct(fd, bhead, "lib block");
3082         if (id_r)
3083                 *id_r= id;
3084         if (!id)
3085                 return blo_nextbhead(fd, bhead);
3086
3087         oldnewmap_insert(fd->libmap, bhead->old, id, 1);
3088         BLI_addtail(lb, id);
3089
3090         /* clear first 8 bits */
3091         id->flag= (id->flag & 0xFF00) | flag | LIB_NEEDLINK;
3092         id->lib= main->curlib;
3093         if(id->flag & LIB_FAKEUSER) id->us= 1;
3094         else id->us= 0;
3095
3096         /* this case cannot be direct_linked: it's just the ID part */
3097         if(bhead->code==ID_ID) {
3098                 return blo_nextbhead(fd, bhead);
3099         }
3100
3101         bhead = blo_nextbhead(fd, bhead);
3102
3103         switch( GS(id->name) ) {
3104         case ID_OB: str= "ID_OB"; break;
3105         case ID_SCE: str= "ID_SCE"; break;
3106         case ID_LI: str= "ID_LI"; break;
3107         case ID_ME: str= "ID_ME"; break;
3108         case ID_CU: str= "ID_CU"; break;
3109         case ID_MB: str= "ID_MB"; break;
3110         case ID_MA: str= "ID_MA"; break;
3111         case ID_TE: str= "ID_TE"; break;
3112         case ID_IM: str= "ID_IM"; break;
3113         case ID_IK: str= "ID_IK"; break;
3114         case ID_WV: str= "ID_WV"; break;
3115         case ID_LT: str= "ID_LT"; break;
3116         case ID_SE: str= "ID_SE"; break;
3117         case ID_LF: str= "ID_LF"; break;
3118         case ID_LA: str= "ID_LA"; break;
3119         case ID_CA: str= "ID_CA"; break;
3120         case ID_IP: str= "ID_IP"; break;
3121         case ID_KE: str= "ID_KE"; break;
3122         case ID_WO: str= "ID_WO"; break;
3123         case ID_SCR: str= "ID_SCR"; break;
3124         case ID_VF: str= "ID_VF"; break;
3125         case ID_TXT     : str= "ID_TXT"; break;
3126         case ID_SO: str= "ID_SO"; break;
3127         case ID_SAMPLE: str= "ID_SAMPLE"; break;
3128         case ID_GR: str= "ID_GR"; break;
3129         case ID_ID: str= "ID_ID"; break;
3130         case ID_SEQ: str= "ID_SEQ"; break;
3131         case ID_AR: str= "ID_AR"; break;
3132         case ID_AC: str= "ID_AC"; break;
3133         case ID_SCRIPT: str= "ID_SCRIPT"; break;
3134         }
3135                 /* read all data */
3136         while(bhead && bhead->code==DATA) {
3137                 void *data= read_struct(fd, bhead, str);
3138
3139                 if (data) {
3140                         oldnewmap_insert(fd->datamap, bhead->old, data, 0);
3141                 }
3142
3143                 bhead = blo_nextbhead(fd, bhead);
3144         }
3145
3146         /* init pointers direct data */
3147         switch( GS(id->name) ) {
3148                 case ID_SCR:
3149                         direct_link_screen(fd, (bScreen *)id);
3150                         break;
3151                 case ID_SCE:
3152                         direct_link_scene(fd, (Scene *)id);
3153                         break;
3154                 case ID_OB:
3155                         direct_link_object(fd, (Object *)id);
3156                         break;
3157