Merge with trunk r37849
[blender.git] / source / blender / blenloader / intern / writefile.c
1 /*
2  * $Id$
3  *
4  * ***** BEGIN GPL LICENSE BLOCK *****
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * as published by the Free Software Foundation; either version 2
9  * of the License, or (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software Foundation,
18  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19  *
20  * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
21  * All rights reserved.
22  *
23  *
24  * Contributor(s): Blender Foundation
25  *
26  * ***** END GPL LICENSE BLOCK *****
27  */
28
29 /** \file blender/blenloader/intern/writefile.c
30  *  \ingroup blenloader
31  */
32
33
34 /*
35 FILEFORMAT: IFF-style structure  (but not IFF compatible!)
36
37 start file:
38         BLENDER_V100    12 bytes  (versie 1.00)
39                                         V = big endian, v = little endian
40                                         _ = 4 byte pointer, - = 8 byte pointer
41
42 datablocks:             also see struct BHead
43         <bh.code>                       4 chars
44         <bh.len>                        int,  len data after BHead
45         <bh.old>                        void,  old pointer
46         <bh.SDNAnr>                     int
47         <bh.nr>                         int, in case of array: amount of structs
48         data
49         ...
50         ...
51
52 Almost all data in Blender are structures. Each struct saved
53 gets a BHead header.  With BHead the struct can be linked again
54 and compared with StructDNA .
55
56 WRITE
57
58 Preferred writing order: (not really a must, but why would you do it random?)
59 Any case: direct data is ALWAYS after the lib block
60
61 (Local file data)
62 - for each LibBlock
63         - write LibBlock
64         - write associated direct data
65 (External file data)
66 - per library
67         - write library block
68         - per LibBlock
69                 - write the ID of LibBlock
70 - write TEST (128x128, blend file preview, optional)
71 - write FileGlobal (some global vars)
72 - write SDNA
73 - write USER if filename is ~/X.XX/config/startup.blend
74 */
75
76
77 #include <math.h>
78 #include <fcntl.h>
79 #include <stdio.h>
80 #include <string.h>
81 #include <stdlib.h>
82
83 #include "zlib.h"
84
85 #ifndef WIN32
86 #include <unistd.h>
87 #else
88 #include "winsock2.h"
89 #include <io.h>
90 #include <process.h> // for getpid
91 #include "BLI_winstuff.h"
92 #endif
93
94 #include "DNA_anim_types.h"
95 #include "DNA_armature_types.h"
96 #include "DNA_actuator_types.h"
97 #include "DNA_brush_types.h"
98 #include "DNA_camera_types.h"
99 #include "DNA_cloth_types.h"
100 #include "DNA_constraint_types.h"
101 #include "DNA_controller_types.h"
102 #include "DNA_dynamicpaint_types.h"
103 #include "DNA_genfile.h"
104 #include "DNA_group_types.h"
105 #include "DNA_gpencil_types.h"
106 #include "DNA_fileglobal_types.h"
107 #include "DNA_key_types.h"
108 #include "DNA_lattice_types.h"
109 #include "DNA_lamp_types.h"
110 #include "DNA_meta_types.h"
111 #include "DNA_mesh_types.h"
112 #include "DNA_meshdata_types.h"
113 #include "DNA_material_types.h"
114 #include "DNA_node_types.h"
115 #include "DNA_object_types.h"
116 #include "DNA_object_force.h"
117 #include "DNA_packedFile_types.h"
118 #include "DNA_particle_types.h"
119 #include "DNA_property_types.h"
120 #include "DNA_scene_types.h"
121 #include "DNA_sdna_types.h"
122 #include "DNA_sequence_types.h"
123 #include "DNA_sensor_types.h"
124 #include "DNA_smoke_types.h"
125 #include "DNA_space_types.h"
126 #include "DNA_screen_types.h"
127 #include "DNA_sound_types.h"
128 #include "DNA_text_types.h"
129 #include "DNA_view3d_types.h"
130 #include "DNA_vfont_types.h"
131 #include "DNA_world_types.h"
132 #include "DNA_windowmanager_types.h"
133
134 #include "MEM_guardedalloc.h" // MEM_freeN
135 #include "BLI_blenlib.h"
136 #include "BLI_linklist.h"
137 #include "BLI_bpath.h"
138 #include "BLI_utildefines.h"
139
140 #include "BKE_action.h"
141 #include "BKE_blender.h"
142 #include "BKE_curve.h"
143 #include "BKE_constraint.h"
144 #include "BKE_global.h" // for G
145 #include "BKE_library.h" // for  set_listbasepointers
146 #include "BKE_main.h"
147 #include "BKE_node.h"
148 #include "BKE_report.h"
149 #include "BKE_sequencer.h"
150 #include "BKE_utildefines.h"
151 #include "BKE_modifier.h"
152 #include "BKE_fcurve.h"
153 #include "BKE_pointcache.h"
154
155 #include "BLO_writefile.h"
156 #include "BLO_readfile.h"
157 #include "BLO_undofile.h"
158
159 #include "readfile.h"
160
161 #include <errno.h>
162
163 /* ********* my write, buffered writing with minimum size chunks ************ */
164
165 #define MYWRITE_BUFFER_SIZE     100000
166 #define MYWRITE_MAX_CHUNK       32768
167
168 typedef struct {
169         struct SDNA *sdna;
170
171         int file;
172         unsigned char *buf;
173         MemFile *compare, *current;
174         
175         int tot, count, error, memsize;
176 } WriteData;
177
178 static WriteData *writedata_new(int file)
179 {
180         WriteData *wd= MEM_callocN(sizeof(*wd), "writedata");
181
182                 /* XXX, see note about this in readfile.c, remove
183                  * once we have an xp lock - zr
184                  */
185
186         if (wd == NULL) return NULL;
187
188         wd->sdna= DNA_sdna_from_data(DNAstr, DNAlen, 0);
189
190         wd->file= file;
191
192         wd->buf= MEM_mallocN(MYWRITE_BUFFER_SIZE, "wd->buf");
193
194         return wd;
195 }
196
197 static void writedata_do_write(WriteData *wd, void *mem, int memlen)
198 {
199         if ((wd == NULL) || wd->error || (mem == NULL) || memlen < 1) return;
200         if (wd->error) return;
201
202         /* memory based save */
203         if(wd->current) {
204                 add_memfilechunk(NULL, wd->current, mem, memlen);
205         }
206         else {
207                 if (write(wd->file, mem, memlen) != memlen)
208                         wd->error= 1;
209                 
210         }
211 }
212
213 static void writedata_free(WriteData *wd)
214 {
215         DNA_sdna_free(wd->sdna);
216
217         MEM_freeN(wd->buf);
218         MEM_freeN(wd);
219 }
220
221 /***/
222
223 /**
224  * Low level WRITE(2) wrapper that buffers data
225  * @param adr Pointer to new chunk of data
226  * @param len Length of new chunk of data
227  * @warning Talks to other functions with global parameters
228  */
229  
230 #define MYWRITE_FLUSH           NULL
231
232 static void mywrite( WriteData *wd, void *adr, int len)
233 {
234         if (wd->error) return;
235
236         /* flush helps compression for undo-save */
237         if(adr==MYWRITE_FLUSH) {
238                 if(wd->count) {
239                         writedata_do_write(wd, wd->buf, wd->count);
240                         wd->count= 0;
241                 }
242                 return;
243         }
244
245         wd->tot+= len;
246         
247         /* if we have a single big chunk, write existing data in
248          * buffer and write out big chunk in smaller pieces */
249         if(len>MYWRITE_MAX_CHUNK) {
250                 if(wd->count) {
251                         writedata_do_write(wd, wd->buf, wd->count);
252                         wd->count= 0;
253                 }
254
255                 do {
256                         int writelen= MIN2(len, MYWRITE_MAX_CHUNK);
257                         writedata_do_write(wd, adr, writelen);
258                         adr = (char*)adr + writelen;
259                         len -= writelen;
260                 } while(len > 0);
261
262                 return;
263         }
264
265         /* if data would overflow buffer, write out the buffer */
266         if(len+wd->count>MYWRITE_BUFFER_SIZE-1) {
267                 writedata_do_write(wd, wd->buf, wd->count);
268                 wd->count= 0;
269         }
270
271         /* append data at end of buffer */
272         memcpy(&wd->buf[wd->count], adr, len);
273         wd->count+= len;
274 }
275
276 /**
277  * BeGiN initializer for mywrite
278  * @param file File descriptor
279  * @param write_flags Write parameters
280  * @warning Talks to other functions with global parameters
281  */
282 static WriteData *bgnwrite(int file, MemFile *compare, MemFile *current)
283 {
284         WriteData *wd= writedata_new(file);
285
286         if (wd == NULL) return NULL;
287
288         wd->compare= compare;
289         wd->current= current;
290         /* this inits comparing */
291         add_memfilechunk(compare, NULL, NULL, 0);
292         
293         return wd;
294 }
295
296 /**
297  * END the mywrite wrapper
298  * @return 1 if write failed
299  * @return unknown global variable otherwise
300  * @warning Talks to other functions with global parameters
301  */
302 static int endwrite(WriteData *wd)
303 {
304         int err;
305
306         if (wd->count) {
307                 writedata_do_write(wd, wd->buf, wd->count);
308                 wd->count= 0;
309         }
310         
311         err= wd->error;
312         writedata_free(wd);
313
314         return err;
315 }
316
317 /* ********** WRITE FILE ****************** */
318
319 static void writestruct(WriteData *wd, int filecode, const char *structname, int nr, void *adr)
320 {
321         BHead bh;
322         short *sp;
323
324         if(adr==NULL || nr==0) return;
325
326         /* init BHead */
327         bh.code= filecode;
328         bh.old= adr;
329         bh.nr= nr;
330
331         bh.SDNAnr= DNA_struct_find_nr(wd->sdna, structname);
332         if(bh.SDNAnr== -1) {
333                 printf("error: can't find SDNA code <%s>\n", structname);
334                 return;
335         }
336         sp= wd->sdna->structs[bh.SDNAnr];
337
338         bh.len= nr*wd->sdna->typelens[sp[0]];
339
340         if(bh.len==0) return;
341
342         mywrite(wd, &bh, sizeof(BHead));
343         mywrite(wd, adr, bh.len);
344 }
345
346 static void writedata(WriteData *wd, int filecode, int len, void *adr)  /* do not use for structs */
347 {
348         BHead bh;
349
350         if(adr==NULL) return;
351         if(len==0) return;
352
353         len+= 3;
354         len-= ( len % 4);
355
356         /* init BHead */
357         bh.code= filecode;
358         bh.old= adr;
359         bh.nr= 1;
360         bh.SDNAnr= 0;
361         bh.len= len;
362
363         mywrite(wd, &bh, sizeof(BHead));
364         if(len) mywrite(wd, adr, len);
365 }
366
367 /* *************** writing some direct data structs used in more code parts **************** */
368 /*These functions are used by blender's .blend system for file saving/loading.*/
369 void IDP_WriteProperty_OnlyData(IDProperty *prop, void *wd);
370 void IDP_WriteProperty(IDProperty *prop, void *wd);
371
372 static void IDP_WriteArray(IDProperty *prop, void *wd)
373 {
374         /*REMEMBER to set totalen to len in the linking code!!*/
375         if (prop->data.pointer) {
376                 writedata(wd, DATA, MEM_allocN_len(prop->data.pointer), prop->data.pointer);
377
378                 if(prop->subtype == IDP_GROUP) {
379                         IDProperty **array= prop->data.pointer;
380                         int a;
381
382                         for(a=0; a<prop->len; a++)
383                                 IDP_WriteProperty(array[a], wd);
384                 }
385         }
386 }
387
388 static void IDP_WriteIDPArray(IDProperty *prop, void *wd)
389 {
390         /*REMEMBER to set totalen to len in the linking code!!*/
391         if (prop->data.pointer) {
392                 IDProperty *array = prop->data.pointer;
393                 int a;
394
395                 writestruct(wd, DATA, "IDProperty", prop->len, array);
396
397                 for(a=0; a<prop->len; a++)
398                         IDP_WriteProperty_OnlyData(&array[a], wd);
399         }
400 }
401
402 static void IDP_WriteString(IDProperty *prop, void *wd)
403 {
404         /*REMEMBER to set totalen to len in the linking code!!*/
405         writedata(wd, DATA, prop->len+1, prop->data.pointer);
406 }
407
408 static void IDP_WriteGroup(IDProperty *prop, void *wd)
409 {
410         IDProperty *loop;
411
412         for (loop=prop->data.group.first; loop; loop=loop->next) {
413                 IDP_WriteProperty(loop, wd);
414         }
415 }
416
417 /* Functions to read/write ID Properties */
418 void IDP_WriteProperty_OnlyData(IDProperty *prop, void *wd)
419 {
420         switch (prop->type) {
421                 case IDP_GROUP:
422                         IDP_WriteGroup(prop, wd);
423                         break;
424                 case IDP_STRING:
425                         IDP_WriteString(prop, wd);
426                         break;
427                 case IDP_ARRAY:
428                         IDP_WriteArray(prop, wd);
429                         break;
430                 case IDP_IDPARRAY:
431                         IDP_WriteIDPArray(prop, wd);
432                         break;
433         }
434 }
435
436 void IDP_WriteProperty(IDProperty *prop, void *wd)
437 {
438         writestruct(wd, DATA, "IDProperty", 1, prop);
439         IDP_WriteProperty_OnlyData(prop, wd);
440 }
441
442 static void write_fmodifiers(WriteData *wd, ListBase *fmodifiers)
443 {
444         FModifier *fcm;
445         
446         /* Modifiers */
447         for (fcm= fmodifiers->first; fcm; fcm= fcm->next) {
448                 FModifierTypeInfo *fmi= fmodifier_get_typeinfo(fcm);
449                 
450                 /* Write the specific data */
451                 if (fmi && fcm->data) {
452                         /* firstly, just write the plain fmi->data struct */
453                         writestruct(wd, DATA, fmi->structName, 1, fcm->data);
454                         
455                         /* do any modifier specific stuff */
456                         switch (fcm->type) {
457                                 case FMODIFIER_TYPE_GENERATOR:
458                                 {
459                                         FMod_Generator *data= (FMod_Generator *)fcm->data;
460                                         
461                                         /* write coefficients array */
462                                         if (data->coefficients)
463                                                 writedata(wd, DATA, sizeof(float)*(data->arraysize), data->coefficients);
464                                 }
465                                         break;
466                                 case FMODIFIER_TYPE_ENVELOPE:
467                                 {
468                                         FMod_Envelope *data= (FMod_Envelope *)fcm->data;
469                                         
470                                         /* write envelope data */
471                                         if (data->data)
472                                                 writestruct(wd, DATA, "FCM_EnvelopeData", data->totvert, data->data);
473                                 }
474                                         break;
475                                 case FMODIFIER_TYPE_PYTHON:
476                                 {
477                                         FMod_Python *data = (FMod_Python *)fcm->data;
478                                         
479                                         /* Write ID Properties -- and copy this comment EXACTLY for easy finding
480                                          of library blocks that implement this.*/
481                                         IDP_WriteProperty(data->prop, wd);
482                                 }
483                                         break;
484                         }
485                 }
486                 
487                 /* Write the modifier */
488                 writestruct(wd, DATA, "FModifier", 1, fcm);
489         }
490 }
491
492 static void write_fcurves(WriteData *wd, ListBase *fcurves)
493 {
494         FCurve *fcu;
495         
496         for (fcu=fcurves->first; fcu; fcu=fcu->next) {
497                 /* F-Curve */
498                 writestruct(wd, DATA, "FCurve", 1, fcu);
499                 
500                 /* curve data */
501                 if (fcu->bezt)          
502                         writestruct(wd, DATA, "BezTriple", fcu->totvert, fcu->bezt);
503                 if (fcu->fpt)
504                         writestruct(wd, DATA, "FPoint", fcu->totvert, fcu->fpt);
505                         
506                 if (fcu->rna_path)
507                         writedata(wd, DATA, strlen(fcu->rna_path)+1, fcu->rna_path);
508                 
509                 /* driver data */
510                 if (fcu->driver) {
511                         ChannelDriver *driver= fcu->driver;
512                         DriverVar *dvar;
513                         
514                         writestruct(wd, DATA, "ChannelDriver", 1, driver);
515                         
516                         /* variables */
517                         for (dvar= driver->variables.first; dvar; dvar= dvar->next) {
518                                 writestruct(wd, DATA, "DriverVar", 1, dvar);
519                                 
520                                 DRIVER_TARGETS_USED_LOOPER(dvar)
521                                 {
522                                         if (dtar->rna_path)
523                                                 writedata(wd, DATA, strlen(dtar->rna_path)+1, dtar->rna_path);
524                                 }
525                                 DRIVER_TARGETS_LOOPER_END
526                         }
527                 }
528                 
529                 /* write F-Modifiers */
530                 write_fmodifiers(wd, &fcu->modifiers);
531         }
532 }
533
534 static void write_actions(WriteData *wd, ListBase *idbase)
535 {
536         bAction *act;
537         bActionGroup *grp;
538         TimeMarker *marker;
539         
540         for(act=idbase->first; act; act= act->id.next) {
541                 if (act->id.us>0 || wd->current) {
542                         writestruct(wd, ID_AC, "bAction", 1, act);
543                         if (act->id.properties) IDP_WriteProperty(act->id.properties, wd);
544                         
545                         write_fcurves(wd, &act->curves);
546                         
547                         for (grp=act->groups.first; grp; grp=grp->next) {
548                                 writestruct(wd, DATA, "bActionGroup", 1, grp);
549                         }
550                         
551                         for (marker=act->markers.first; marker; marker=marker->next) {
552                                 writestruct(wd, DATA, "TimeMarker", 1, marker);
553                         }
554                 }
555         }
556         
557         /* flush helps the compression for undo-save */
558         mywrite(wd, MYWRITE_FLUSH, 0);
559 }
560
561 static void write_keyingsets(WriteData *wd, ListBase *list)
562 {
563         KeyingSet *ks;
564         KS_Path *ksp;
565         
566         for (ks= list->first; ks; ks= ks->next) {
567                 /* KeyingSet */
568                 writestruct(wd, DATA, "KeyingSet", 1, ks);
569                 
570                 /* Paths */
571                 for (ksp= ks->paths.first; ksp; ksp= ksp->next) {
572                         /* Path */
573                         writestruct(wd, DATA, "KS_Path", 1, ksp);
574                         
575                         if (ksp->rna_path)
576                                 writedata(wd, DATA, strlen(ksp->rna_path)+1, ksp->rna_path);
577                 }
578         }
579 }
580
581 static void write_nlastrips(WriteData *wd, ListBase *strips)
582 {
583         NlaStrip *strip;
584         
585         for (strip= strips->first; strip; strip= strip->next) {
586                 /* write the strip first */
587                 writestruct(wd, DATA, "NlaStrip", 1, strip);
588                 
589                 /* write the strip's F-Curves and modifiers */
590                 write_fcurves(wd, &strip->fcurves);
591                 write_fmodifiers(wd, &strip->modifiers);
592                 
593                 /* write the strip's children */
594                 write_nlastrips(wd, &strip->strips);
595         }
596 }
597
598 static void write_nladata(WriteData *wd, ListBase *nlabase)
599 {
600         NlaTrack *nlt;
601         
602         /* write all the tracks */
603         for (nlt= nlabase->first; nlt; nlt= nlt->next) {
604                 /* write the track first */
605                 writestruct(wd, DATA, "NlaTrack", 1, nlt);
606                 
607                 /* write the track's strips */
608                 write_nlastrips(wd, &nlt->strips);
609         }
610 }
611
612 static void write_animdata(WriteData *wd, AnimData *adt)
613 {
614         AnimOverride *aor;
615         
616         /* firstly, just write the AnimData block */
617         writestruct(wd, DATA, "AnimData", 1, adt);
618         
619         /* write drivers */
620         write_fcurves(wd, &adt->drivers);
621         
622         /* write overrides */
623         // FIXME: are these needed?
624         for (aor= adt->overrides.first; aor; aor= aor->next) {
625                 /* overrides consist of base data + rna_path */
626                 writestruct(wd, DATA, "AnimOverride", 1, aor);
627                 writedata(wd, DATA, strlen(aor->rna_path)+1, aor->rna_path);
628         }
629         
630         // TODO write the remaps (if they are needed)
631         
632         /* write NLA data */
633         write_nladata(wd, &adt->nla_tracks);
634 }
635
636 static void write_curvemapping(WriteData *wd, CurveMapping *cumap)
637 {
638         int a;
639         
640         writestruct(wd, DATA, "CurveMapping", 1, cumap);
641         for(a=0; a<CM_TOT; a++)
642                 writestruct(wd, DATA, "CurveMapPoint", cumap->cm[a].totpoint, cumap->cm[a].curve);
643 }
644
645 /* this is only direct data, tree itself should have been written */
646 static void write_nodetree(WriteData *wd, bNodeTree *ntree)
647 {
648         bNode *node;
649         bNodeSocket *sock;
650         bNodeLink *link;
651         
652         /* for link_list() speed, we write per list */
653         
654         if(ntree->adt) write_animdata(wd, ntree->adt);
655         
656         for(node= ntree->nodes.first; node; node= node->next)
657                 writestruct(wd, DATA, "bNode", 1, node);
658
659         for(node= ntree->nodes.first; node; node= node->next) {
660                 if(node->storage && node->type!=NODE_DYNAMIC) {
661                         /* could be handlerized at some point, now only 1 exception still */
662                         if(ntree->type==NTREE_SHADER && (node->type==SH_NODE_CURVE_VEC || node->type==SH_NODE_CURVE_RGB))
663                                 write_curvemapping(wd, node->storage);
664                         else if(ntree->type==NTREE_COMPOSIT && ELEM4(node->type, CMP_NODE_TIME, CMP_NODE_CURVE_VEC, CMP_NODE_CURVE_RGB, CMP_NODE_HUECORRECT))
665                                 write_curvemapping(wd, node->storage);
666                         else if(ntree->type==NTREE_TEXTURE && (node->type==TEX_NODE_CURVE_RGB || node->type==TEX_NODE_CURVE_TIME) )
667                                 write_curvemapping(wd, node->storage);
668                         else 
669                                 writestruct(wd, DATA, node->typeinfo->storagename, 1, node->storage);
670                 }
671                 for(sock= node->inputs.first; sock; sock= sock->next)
672                         writestruct(wd, DATA, "bNodeSocket", 1, sock);
673                 for(sock= node->outputs.first; sock; sock= sock->next)
674                         writestruct(wd, DATA, "bNodeSocket", 1, sock);
675         }
676         
677         for(link= ntree->links.first; link; link= link->next)
678                 writestruct(wd, DATA, "bNodeLink", 1, link);
679         
680         /* external sockets */
681         for(sock= ntree->inputs.first; sock; sock= sock->next)
682                 writestruct(wd, DATA, "bNodeSocket", 1, sock);
683         for(sock= ntree->outputs.first; sock; sock= sock->next)
684                 writestruct(wd, DATA, "bNodeSocket", 1, sock);
685 }
686
687 static void current_screen_compat(Main *mainvar, bScreen **screen)
688 {
689         wmWindowManager *wm;
690         wmWindow *window;
691
692         /* find a global current screen in the first open window, to have
693          * a reasonable default for reading in older versions */
694         wm= mainvar->wm.first;
695         window= (wm)? wm->windows.first: NULL;
696         *screen= (window)? window->screen: NULL;
697 }
698
699 static void write_renderinfo(WriteData *wd, Main *mainvar)              /* for renderdeamon */
700 {
701         bScreen *curscreen;
702         Scene *sce;
703         int data[8];
704
705         /* XXX in future, handle multiple windows with multiple screnes? */
706         current_screen_compat(mainvar, &curscreen);
707
708         for(sce= mainvar->scene.first; sce; sce= sce->id.next) {
709                 if(sce->id.lib==NULL  && ( sce==curscreen->scene || (sce->r.scemode & R_BG_RENDER)) ) {
710                         data[0]= sce->r.sfra;
711                         data[1]= sce->r.efra;
712
713                         memset(data+2, 0, sizeof(int)*6);
714                         BLI_strncpy((char *)(data+2), sce->id.name+2, sizeof(sce->id.name)-2);
715
716                         writedata(wd, REND, 32, data);
717                 }
718         }
719 }
720
721 static void write_userdef(WriteData *wd)
722 {
723         bTheme *btheme;
724         wmKeyMap *keymap;
725         wmKeyMapItem *kmi;
726         bAddon *bext;
727         uiStyle *style;
728         
729         writestruct(wd, USER, "UserDef", 1, &U);
730
731         for(btheme= U.themes.first; btheme; btheme=btheme->next)
732                 writestruct(wd, DATA, "bTheme", 1, btheme);
733
734         for(keymap= U.keymaps.first; keymap; keymap=keymap->next) {
735                 writestruct(wd, DATA, "wmKeyMap", 1, keymap);
736
737                 for(kmi=keymap->items.first; kmi; kmi=kmi->next) {
738                         writestruct(wd, DATA, "wmKeyMapItem", 1, kmi);
739
740                         if(kmi->properties)
741                                 IDP_WriteProperty(kmi->properties, wd);
742                 }
743         }
744
745         for(bext= U.addons.first; bext; bext=bext->next)
746                 writestruct(wd, DATA, "bAddon", 1, bext);
747         
748         for(style= U.uistyles.first; style; style= style->next) {
749                 writestruct(wd, DATA, "uiStyle", 1, style);
750         }
751 }
752
753 static void write_boid_state(WriteData *wd, BoidState *state)
754 {
755         BoidRule *rule = state->rules.first;
756         //BoidCondition *cond = state->conditions.first;
757
758         writestruct(wd, DATA, "BoidState", 1, state);
759
760         for(; rule; rule=rule->next) {
761                 switch(rule->type) {
762                         case eBoidRuleType_Goal:
763                         case eBoidRuleType_Avoid:
764                                 writestruct(wd, DATA, "BoidRuleGoalAvoid", 1, rule);
765                                 break;
766                         case eBoidRuleType_AvoidCollision:
767                                 writestruct(wd, DATA, "BoidRuleAvoidCollision", 1, rule);
768                                 break;
769                         case eBoidRuleType_FollowLeader:
770                                 writestruct(wd, DATA, "BoidRuleFollowLeader", 1, rule);
771                                 break;
772                         case eBoidRuleType_AverageSpeed:
773                                 writestruct(wd, DATA, "BoidRuleAverageSpeed", 1, rule);
774                                 break;
775                         case eBoidRuleType_Fight:
776                                 writestruct(wd, DATA, "BoidRuleFight", 1, rule);
777                                 break;
778                         default:
779                                 writestruct(wd, DATA, "BoidRule", 1, rule);
780                                 break;
781                 }
782         }
783         //for(; cond; cond=cond->next)
784         //      writestruct(wd, DATA, "BoidCondition", 1, cond);
785 }
786
787 /* update this also to readfile.c */
788 static const char *ptcache_data_struct[] = {
789         "", // BPHYS_DATA_INDEX
790         "", // BPHYS_DATA_LOCATION
791         "", // BPHYS_DATA_VELOCITY
792         "", // BPHYS_DATA_ROTATION
793         "", // BPHYS_DATA_AVELOCITY / BPHYS_DATA_XCONST */
794         "", // BPHYS_DATA_SIZE:
795         "", // BPHYS_DATA_TIMES:        
796         "BoidData" // case BPHYS_DATA_BOIDS:
797 };
798 static const char *ptcache_extra_struct[] = {
799         "",
800         "ParticleSpring"
801 };
802 static void write_pointcaches(WriteData *wd, ListBase *ptcaches)
803 {
804         PointCache *cache = ptcaches->first;
805         int i;
806
807         for(; cache; cache=cache->next) {
808                 writestruct(wd, DATA, "PointCache", 1, cache);
809
810                 if((cache->flag & PTCACHE_DISK_CACHE)==0) {
811                         PTCacheMem *pm = cache->mem_cache.first;
812
813                         for(; pm; pm=pm->next) {
814                                 PTCacheExtra *extra = pm->extradata.first;
815
816                                 writestruct(wd, DATA, "PTCacheMem", 1, pm);
817                                 
818                                 for(i=0; i<BPHYS_TOT_DATA; i++) {
819                                         if(pm->data[i] && pm->data_types & (1<<i)) {
820                                                 if(strcmp(ptcache_data_struct[i], "")==0)
821                                                         writedata(wd, DATA, MEM_allocN_len(pm->data[i]), pm->data[i]);
822                                                 else
823                                                         writestruct(wd, DATA, ptcache_data_struct[i], pm->totpoint, pm->data[i]);
824                                         }
825                                 }
826
827                                 for(; extra; extra=extra->next) {
828                                         if(strcmp(ptcache_extra_struct[extra->type], "")==0)
829                                                 continue;
830                                         writestruct(wd, DATA, "PTCacheExtra", 1, extra);
831                                         writestruct(wd, DATA, ptcache_extra_struct[extra->type], extra->totdata, extra->data);
832                                 }
833                         }
834                 }
835         }
836 }
837 static void write_particlesettings(WriteData *wd, ListBase *idbase)
838 {
839         ParticleSettings *part;
840         ParticleDupliWeight *dw;
841         int a;
842
843         part= idbase->first;
844         while(part) {
845                 if(part->id.us>0 || wd->current) {
846                         /* write LibData */
847                         writestruct(wd, ID_PA, "ParticleSettings", 1, part);
848                         if (part->id.properties) IDP_WriteProperty(part->id.properties, wd);
849                         if (part->adt) write_animdata(wd, part->adt);
850                         writestruct(wd, DATA, "PartDeflect", 1, part->pd);
851                         writestruct(wd, DATA, "PartDeflect", 1, part->pd2);
852                         writestruct(wd, DATA, "EffectorWeights", 1, part->effector_weights);
853
854                         dw = part->dupliweights.first;
855                         for(; dw; dw=dw->next)
856                                 writestruct(wd, DATA, "ParticleDupliWeight", 1, dw);
857
858                         if(part->boids && part->phystype == PART_PHYS_BOIDS) {
859                                 BoidState *state = part->boids->states.first;
860
861                                 writestruct(wd, DATA, "BoidSettings", 1, part->boids);
862
863                                 for(; state; state=state->next)
864                                         write_boid_state(wd, state);
865                         }
866                         if(part->fluid && part->phystype == PART_PHYS_FLUID){
867                                 writestruct(wd, DATA, "SPHFluidSettings", 1, part->fluid); 
868                         }
869
870                         for(a=0; a<MAX_MTEX; a++) {
871                                 if(part->mtex[a]) writestruct(wd, DATA, "MTex", 1, part->mtex[a]);
872                         }
873                 }
874                 part= part->id.next;
875         }
876 }
877 static void write_particlesystems(WriteData *wd, ListBase *particles)
878 {
879         ParticleSystem *psys= particles->first;
880         ParticleTarget *pt;
881         int a;
882
883         for(; psys; psys=psys->next) {
884                 writestruct(wd, DATA, "ParticleSystem", 1, psys);
885
886                 if(psys->particles) {
887                         writestruct(wd, DATA, "ParticleData", psys->totpart ,psys->particles);
888
889                         if(psys->particles->hair) {
890                                 ParticleData *pa = psys->particles;
891
892                                 for(a=0; a<psys->totpart; a++, pa++)
893                                         writestruct(wd, DATA, "HairKey", pa->totkey, pa->hair);
894                         }
895
896                         if(psys->particles->boid && psys->part->phystype == PART_PHYS_BOIDS)
897                                 writestruct(wd, DATA, "BoidParticle", psys->totpart, psys->particles->boid);
898
899                         if(psys->part->fluid && psys->part->phystype == PART_PHYS_FLUID && (psys->part->fluid->flag & SPH_VISCOELASTIC_SPRINGS))
900                                 writestruct(wd, DATA, "ParticleSpring", psys->tot_fluidsprings, psys->fluid_springs);
901                 }
902                 pt = psys->targets.first;
903                 for(; pt; pt=pt->next)
904                         writestruct(wd, DATA, "ParticleTarget", 1, pt);
905
906                 if(psys->child) writestruct(wd, DATA, "ChildParticle", psys->totchild ,psys->child);
907
908                 if(psys->clmd) {
909                         writestruct(wd, DATA, "ClothModifierData", 1, psys->clmd);
910                         writestruct(wd, DATA, "ClothSimSettings", 1, psys->clmd->sim_parms);
911                         writestruct(wd, DATA, "ClothCollSettings", 1, psys->clmd->coll_parms);
912                 }
913                 
914                 write_pointcaches(wd, &psys->ptcaches);
915         }
916 }
917
918 static void write_properties(WriteData *wd, ListBase *lb)
919 {
920         bProperty *prop;
921
922         prop= lb->first;
923         while(prop) {
924                 writestruct(wd, DATA, "bProperty", 1, prop);
925
926                 if(prop->poin && prop->poin != &prop->data)
927                         writedata(wd, DATA, MEM_allocN_len(prop->poin), prop->poin);
928
929                 prop= prop->next;
930         }
931 }
932
933 static void write_sensors(WriteData *wd, ListBase *lb)
934 {
935         bSensor *sens;
936
937         sens= lb->first;
938         while(sens) {
939                 writestruct(wd, DATA, "bSensor", 1, sens);
940
941                 writedata(wd, DATA, sizeof(void *)*sens->totlinks, sens->links);
942
943                 switch(sens->type) {
944                 case SENS_NEAR:
945                         writestruct(wd, DATA, "bNearSensor", 1, sens->data);
946                         break;
947                 case SENS_MOUSE:
948                         writestruct(wd, DATA, "bMouseSensor", 1, sens->data);
949                         break;
950                 case SENS_TOUCH:
951                         writestruct(wd, DATA, "bTouchSensor", 1, sens->data);
952                         break;
953                 case SENS_KEYBOARD:
954                         writestruct(wd, DATA, "bKeyboardSensor", 1, sens->data);
955                         break;
956                 case SENS_PROPERTY:
957                         writestruct(wd, DATA, "bPropertySensor", 1, sens->data);
958                         break;
959                 case SENS_ARMATURE:
960                         writestruct(wd, DATA, "bArmatureSensor", 1, sens->data);
961                         break;
962                 case SENS_ACTUATOR:
963                         writestruct(wd, DATA, "bActuatorSensor", 1, sens->data);
964                         break;
965                 case SENS_DELAY:
966                         writestruct(wd, DATA, "bDelaySensor", 1, sens->data);
967                         break;
968                 case SENS_COLLISION:
969                         writestruct(wd, DATA, "bCollisionSensor", 1, sens->data);
970                         break;
971                 case SENS_RADAR:
972                         writestruct(wd, DATA, "bRadarSensor", 1, sens->data);
973                         break;
974                 case SENS_RANDOM:
975                         writestruct(wd, DATA, "bRandomSensor", 1, sens->data);
976                         break;
977                 case SENS_RAY:
978                         writestruct(wd, DATA, "bRaySensor", 1, sens->data);
979                         break;
980                 case SENS_MESSAGE:
981                         writestruct(wd, DATA, "bMessageSensor", 1, sens->data);
982                         break;
983                 case SENS_JOYSTICK:
984                         writestruct(wd, DATA, "bJoystickSensor", 1, sens->data);
985                         break;
986                 default:
987                         ; /* error: don't know how to write this file */
988                 }
989
990                 sens= sens->next;
991         }
992 }
993
994 static void write_controllers(WriteData *wd, ListBase *lb)
995 {
996         bController *cont;
997
998         cont= lb->first;
999         while(cont) {
1000                 writestruct(wd, DATA, "bController", 1, cont);
1001
1002                 writedata(wd, DATA, sizeof(void *)*cont->totlinks, cont->links);
1003
1004                 switch(cont->type) {
1005                 case CONT_EXPRESSION:
1006                         writestruct(wd, DATA, "bExpressionCont", 1, cont->data);
1007                         break;
1008                 case CONT_PYTHON:
1009                         writestruct(wd, DATA, "bPythonCont", 1, cont->data);
1010                         break;
1011                 default:
1012                         ; /* error: don't know how to write this file */
1013                 }
1014
1015                 cont= cont->next;
1016         }
1017 }
1018
1019 static void write_actuators(WriteData *wd, ListBase *lb)
1020 {
1021         bActuator *act;
1022
1023         act= lb->first;
1024         while(act) {
1025                 writestruct(wd, DATA, "bActuator", 1, act);
1026
1027                 switch(act->type) {
1028                 case ACT_ACTION:
1029                 case ACT_SHAPEACTION:
1030                         writestruct(wd, DATA, "bActionActuator", 1, act->data);
1031                         break;
1032                 case ACT_SOUND:
1033                         writestruct(wd, DATA, "bSoundActuator", 1, act->data);
1034                         break;
1035                 case ACT_OBJECT:
1036                         writestruct(wd, DATA, "bObjectActuator", 1, act->data);
1037                         break;
1038                 case ACT_IPO:
1039                         writestruct(wd, DATA, "bIpoActuator", 1, act->data);
1040                         break;
1041                 case ACT_PROPERTY:
1042                         writestruct(wd, DATA, "bPropertyActuator", 1, act->data);
1043                         break;
1044                 case ACT_CAMERA:
1045                         writestruct(wd, DATA, "bCameraActuator", 1, act->data);
1046                         break;
1047                 case ACT_CONSTRAINT:
1048                         writestruct(wd, DATA, "bConstraintActuator", 1, act->data);
1049                         break;
1050                 case ACT_EDIT_OBJECT:
1051                         writestruct(wd, DATA, "bEditObjectActuator", 1, act->data);
1052                         break;
1053                 case ACT_SCENE:
1054                         writestruct(wd, DATA, "bSceneActuator", 1, act->data);
1055                         break;
1056                 case ACT_GROUP:
1057                         writestruct(wd, DATA, "bGroupActuator", 1, act->data);
1058                         break;
1059                 case ACT_RANDOM:
1060                         writestruct(wd, DATA, "bRandomActuator", 1, act->data);
1061                         break;
1062                 case ACT_MESSAGE:
1063                         writestruct(wd, DATA, "bMessageActuator", 1, act->data);
1064                         break;
1065                 case ACT_GAME:
1066                         writestruct(wd, DATA, "bGameActuator", 1, act->data);
1067                         break;
1068                 case ACT_VISIBILITY:
1069                         writestruct(wd, DATA, "bVisibilityActuator", 1, act->data);
1070                         break;
1071                 case ACT_2DFILTER:
1072                         writestruct(wd, DATA, "bTwoDFilterActuator", 1, act->data);
1073                         break;
1074                 case ACT_PARENT:
1075                         writestruct(wd, DATA, "bParentActuator", 1, act->data);
1076                         break;
1077                 case ACT_STATE:
1078                         writestruct(wd, DATA, "bStateActuator", 1, act->data);
1079                         break;
1080                 case ACT_ARMATURE:
1081                         writestruct(wd, DATA, "bArmatureActuator", 1, act->data);
1082                         break;
1083                 default:
1084                         ; /* error: don't know how to write this file */
1085                 }
1086
1087                 act= act->next;
1088         }
1089 }
1090
1091 static void write_motionpath(WriteData *wd, bMotionPath *mpath)
1092 {
1093         /* sanity checks */
1094         if (mpath == NULL)
1095                 return;
1096         
1097         /* firstly, just write the motionpath struct */
1098         writestruct(wd, DATA, "bMotionPath", 1, mpath);
1099         
1100         /* now write the array of data */
1101         writestruct(wd, DATA, "bMotionPathVert", mpath->length, mpath->points);
1102 }
1103
1104 static void write_constraints(WriteData *wd, ListBase *conlist)
1105 {
1106         bConstraint *con;
1107
1108         for (con=conlist->first; con; con=con->next) {
1109                 bConstraintTypeInfo *cti= constraint_get_typeinfo(con);
1110                 
1111                 /* Write the specific data */
1112                 if (cti && con->data) {
1113                         /* firstly, just write the plain con->data struct */
1114                         writestruct(wd, DATA, cti->structName, 1, con->data);
1115                         
1116                         /* do any constraint specific stuff */
1117                         switch (con->type) {
1118                                 case CONSTRAINT_TYPE_PYTHON:
1119                                 {
1120                                         bPythonConstraint *data = (bPythonConstraint *)con->data;
1121                                         bConstraintTarget *ct;
1122                                         
1123                                         /* write targets */
1124                                         for (ct= data->targets.first; ct; ct= ct->next)
1125                                                 writestruct(wd, DATA, "bConstraintTarget", 1, ct);
1126                                         
1127                                         /* Write ID Properties -- and copy this comment EXACTLY for easy finding
1128                                          of library blocks that implement this.*/
1129                                         IDP_WriteProperty(data->prop, wd);
1130                                 }
1131                                         break;
1132                                 case CONSTRAINT_TYPE_SPLINEIK: 
1133                                 {
1134                                         bSplineIKConstraint *data= (bSplineIKConstraint*)con->data;
1135                                         
1136                                         /* write points array */
1137                                         writedata(wd, DATA, sizeof(float)*(data->numpoints), data->points);
1138                                 }
1139                                         break;
1140                         }
1141                 }
1142                 
1143                 /* Write the constraint */
1144                 writestruct(wd, DATA, "bConstraint", 1, con);
1145         }
1146 }
1147
1148 static void write_pose(WriteData *wd, bPose *pose)
1149 {
1150         bPoseChannel *chan;
1151         bActionGroup *grp;
1152
1153         /* Write each channel */
1154         if (!pose)
1155                 return;
1156
1157         /* Write channels */
1158         for (chan=pose->chanbase.first; chan; chan=chan->next) {
1159                 /* Write ID Properties -- and copy this comment EXACTLY for easy finding
1160                  of library blocks that implement this.*/
1161                 if (chan->prop)
1162                         IDP_WriteProperty(chan->prop, wd);
1163                 
1164                 write_constraints(wd, &chan->constraints);
1165                 
1166                 write_motionpath(wd, chan->mpath);
1167                 
1168                 /* prevent crashes with autosave, when a bone duplicated in editmode has not yet been assigned to its posechannel */
1169                 if (chan->bone) 
1170                         chan->selectflag= chan->bone->flag & BONE_SELECTED; /* gets restored on read, for library armatures */
1171                 
1172                 writestruct(wd, DATA, "bPoseChannel", 1, chan);
1173         }
1174         
1175         /* Write groups */
1176         for (grp=pose->agroups.first; grp; grp=grp->next) 
1177                 writestruct(wd, DATA, "bActionGroup", 1, grp);
1178
1179         /* write IK param */
1180         if (pose->ikparam) {
1181                 char *structname = (char *)get_ikparam_name(pose);
1182                 if (structname)
1183                         writestruct(wd, DATA, structname, 1, pose->ikparam);
1184         }
1185
1186         /* Write this pose */
1187         writestruct(wd, DATA, "bPose", 1, pose);
1188
1189 }
1190
1191 static void write_defgroups(WriteData *wd, ListBase *defbase)
1192 {
1193         bDeformGroup    *defgroup;
1194
1195         for (defgroup=defbase->first; defgroup; defgroup=defgroup->next)
1196                 writestruct(wd, DATA, "bDeformGroup", 1, defgroup);
1197 }
1198
1199 static void write_modifiers(WriteData *wd, ListBase *modbase)
1200 {
1201         ModifierData *md;
1202
1203         if (modbase == NULL) return;
1204         for (md=modbase->first; md; md= md->next) {
1205                 ModifierTypeInfo *mti = modifierType_getInfo(md->type);
1206                 if (mti == NULL) return;
1207                 
1208                 writestruct(wd, DATA, mti->structName, 1, md);
1209                         
1210                 if (md->type==eModifierType_Hook) {
1211                         HookModifierData *hmd = (HookModifierData*) md;
1212                         
1213                         writedata(wd, DATA, sizeof(int)*hmd->totindex, hmd->indexar);
1214                 }
1215                 else if(md->type==eModifierType_Cloth) {
1216                         ClothModifierData *clmd = (ClothModifierData*) md;
1217                         
1218                         writestruct(wd, DATA, "ClothSimSettings", 1, clmd->sim_parms);
1219                         writestruct(wd, DATA, "ClothCollSettings", 1, clmd->coll_parms);
1220                         writestruct(wd, DATA, "EffectorWeights", 1, clmd->sim_parms->effector_weights);
1221                         write_pointcaches(wd, &clmd->ptcaches);
1222                 } 
1223                 else if(md->type==eModifierType_Smoke) {
1224                         SmokeModifierData *smd = (SmokeModifierData*) md;
1225                         
1226                         if(smd->type & MOD_SMOKE_TYPE_DOMAIN)
1227                         {
1228                                 if(smd->domain)
1229                                 {
1230                                         write_pointcaches(wd, &(smd->domain->ptcaches[0]));
1231
1232                                         /* create fake pointcache so that old blender versions can read it */
1233                                         smd->domain->point_cache[1] = BKE_ptcache_add(&smd->domain->ptcaches[1]);
1234                                         smd->domain->point_cache[1]->flag |= PTCACHE_DISK_CACHE|PTCACHE_FAKE_SMOKE;
1235                                         smd->domain->point_cache[1]->step = 1;
1236
1237                                         write_pointcaches(wd, &(smd->domain->ptcaches[1]));
1238                                 }
1239                                 
1240                                 writestruct(wd, DATA, "SmokeDomainSettings", 1, smd->domain);
1241
1242                                 if(smd->domain) {
1243                                         /* cleanup the fake pointcache */
1244                                         BKE_ptcache_free_list(&smd->domain->ptcaches[1]);
1245                                         smd->domain->point_cache[1] = NULL;
1246                                         
1247                                         writestruct(wd, DATA, "EffectorWeights", 1, smd->domain->effector_weights);
1248                                 }
1249                         }
1250                         else if(smd->type & MOD_SMOKE_TYPE_FLOW)
1251                                 writestruct(wd, DATA, "SmokeFlowSettings", 1, smd->flow);
1252                         else if(smd->type & MOD_SMOKE_TYPE_COLL)
1253                                 writestruct(wd, DATA, "SmokeCollSettings", 1, smd->coll);
1254                 } 
1255                 else if(md->type==eModifierType_Fluidsim) {
1256                         FluidsimModifierData *fluidmd = (FluidsimModifierData*) md;
1257                         
1258                         writestruct(wd, DATA, "FluidsimSettings", 1, fluidmd->fss);
1259                 }
1260                 else if(md->type==eModifierType_DynamicPaint) {
1261                         DynamicPaintModifierData *pmd = (DynamicPaintModifierData*) md;
1262                         
1263                         if(pmd->type & MOD_DYNAMICPAINT_TYPE_CANVAS)
1264                         {
1265                                 DynamicPaintSurface *surface;
1266                                 writestruct(wd, DATA, "DynamicPaintCanvasSettings", 1, pmd->canvas);
1267                                 
1268                                 /* write surfaces */
1269                                 for (surface=pmd->canvas->surfaces.first; surface; surface=surface->next)
1270                                         writestruct(wd, DATA, "DynamicPaintSurface", 1, surface);
1271                                 /* write caches and effector weights */
1272                                 for (surface=pmd->canvas->surfaces.first; surface; surface=surface->next) {
1273                                         write_pointcaches(wd, &(surface->ptcaches));
1274
1275                                         writestruct(wd, DATA, "EffectorWeights", 1, surface->effector_weights);
1276                                 }
1277                         }
1278                         else if(pmd->type & MOD_DYNAMICPAINT_TYPE_BRUSH && pmd->brush)
1279                         {
1280                                 writestruct(wd, DATA, "DynamicPaintBrushSettings", 1, pmd->brush);
1281                                 writestruct(wd, DATA, "Material", 1, pmd->brush->mat);
1282                                 writestruct(wd, DATA, "ColorBand", 1, pmd->brush->paint_ramp);
1283                         }
1284                 } 
1285                 else if (md->type==eModifierType_Collision) {
1286                         
1287                         /*
1288                         CollisionModifierData *collmd = (CollisionModifierData*) md;
1289                         // TODO: CollisionModifier should use pointcache 
1290                         // + have proper reset events before enabling this
1291                         writestruct(wd, DATA, "MVert", collmd->numverts, collmd->x);
1292                         writestruct(wd, DATA, "MVert", collmd->numverts, collmd->xnew);
1293                         writestruct(wd, DATA, "MFace", collmd->numfaces, collmd->mfaces);
1294                         */
1295                 }
1296                 else if (md->type==eModifierType_MeshDeform) {
1297                         MeshDeformModifierData *mmd = (MeshDeformModifierData*) md;
1298                         int size = mmd->dyngridsize;
1299
1300                         writestruct(wd, DATA, "MDefInfluence", mmd->totinfluence, mmd->bindinfluences);
1301                         writedata(wd, DATA, sizeof(int)*(mmd->totvert+1), mmd->bindoffsets);
1302                         writedata(wd, DATA, sizeof(float)*3*mmd->totcagevert,
1303                                 mmd->bindcagecos);
1304                         writestruct(wd, DATA, "MDefCell", size*size*size, mmd->dyngrid);
1305                         writestruct(wd, DATA, "MDefInfluence", mmd->totinfluence, mmd->dyninfluences);
1306                         writedata(wd, DATA, sizeof(int)*mmd->totvert, mmd->dynverts);
1307                 }
1308                 else if (md->type==eModifierType_Warp) {
1309                         WarpModifierData *tmd = (WarpModifierData*) md;
1310                         if(tmd->curfalloff) {
1311                                 write_curvemapping(wd, tmd->curfalloff);
1312                         }
1313                 }
1314         }
1315 }
1316
1317 static void write_objects(WriteData *wd, ListBase *idbase)
1318 {
1319         Object *ob;
1320         
1321         ob= idbase->first;
1322         while(ob) {
1323                 if(ob->id.us>0 || wd->current) {
1324                         /* write LibData */
1325                         writestruct(wd, ID_OB, "Object", 1, ob);
1326                         
1327                         /*Write ID Properties -- and copy this comment EXACTLY for easy finding
1328                           of library blocks that implement this.*/
1329                         if (ob->id.properties) IDP_WriteProperty(ob->id.properties, wd);
1330                         
1331                         if (ob->adt) write_animdata(wd, ob->adt);
1332                         
1333                         /* direct data */
1334                         writedata(wd, DATA, sizeof(void *)*ob->totcol, ob->mat);
1335                         writedata(wd, DATA, sizeof(char)*ob->totcol, ob->matbits);
1336                         /* write_effects(wd, &ob->effect); */ /* not used anymore */
1337                         write_properties(wd, &ob->prop);
1338                         write_sensors(wd, &ob->sensors);
1339                         write_controllers(wd, &ob->controllers);
1340                         write_actuators(wd, &ob->actuators);
1341
1342                         if (ob->type == OB_ARMATURE) {
1343                                 bArmature *arm = ob->data;
1344                                 if (arm && ob->pose && arm->act_bone) {
1345                                         BLI_strncpy(ob->pose->proxy_act_bone, arm->act_bone->name, sizeof(ob->pose->proxy_act_bone));
1346                                 }
1347                         }
1348
1349                         write_pose(wd, ob->pose);
1350                         write_defgroups(wd, &ob->defbase);
1351                         write_constraints(wd, &ob->constraints);
1352                         write_motionpath(wd, ob->mpath);
1353                         
1354                         writestruct(wd, DATA, "PartDeflect", 1, ob->pd);
1355                         writestruct(wd, DATA, "SoftBody", 1, ob->soft);
1356                         if(ob->soft) {
1357                                 write_pointcaches(wd, &ob->soft->ptcaches);
1358                                 writestruct(wd, DATA, "EffectorWeights", 1, ob->soft->effector_weights);
1359                         }
1360                         writestruct(wd, DATA, "BulletSoftBody", 1, ob->bsoft);
1361                         
1362                         write_particlesystems(wd, &ob->particlesystem);
1363                         write_modifiers(wd, &ob->modifiers);
1364                 }
1365                 ob= ob->id.next;
1366         }
1367
1368         /* flush helps the compression for undo-save */
1369         mywrite(wd, MYWRITE_FLUSH, 0);
1370 }
1371
1372
1373 static void write_vfonts(WriteData *wd, ListBase *idbase)
1374 {
1375         VFont *vf;
1376         PackedFile * pf;
1377
1378         vf= idbase->first;
1379         while(vf) {
1380                 if(vf->id.us>0 || wd->current) {
1381                         /* write LibData */
1382                         writestruct(wd, ID_VF, "VFont", 1, vf);
1383                         if (vf->id.properties) IDP_WriteProperty(vf->id.properties, wd);
1384
1385                         /* direct data */
1386
1387                         if (vf->packedfile) {
1388                                 pf = vf->packedfile;
1389                                 writestruct(wd, DATA, "PackedFile", 1, pf);
1390                                 writedata(wd, DATA, pf->size, pf->data);
1391                         }
1392                 }
1393
1394                 vf= vf->id.next;
1395         }
1396 }
1397
1398
1399 static void write_keys(WriteData *wd, ListBase *idbase)
1400 {
1401         Key *key;
1402         KeyBlock *kb;
1403
1404         key= idbase->first;
1405         while(key) {
1406                 if(key->id.us>0 || wd->current) {
1407                         /* write LibData */
1408                         writestruct(wd, ID_KE, "Key", 1, key);
1409                         if (key->id.properties) IDP_WriteProperty(key->id.properties, wd);
1410                         
1411                         if (key->adt) write_animdata(wd, key->adt);
1412                         
1413                         /* direct data */
1414                         kb= key->block.first;
1415                         while(kb) {
1416                                 writestruct(wd, DATA, "KeyBlock", 1, kb);
1417                                 if(kb->data) writedata(wd, DATA, kb->totelem*key->elemsize, kb->data);
1418                                 kb= kb->next;
1419                         }
1420                 }
1421
1422                 key= key->id.next;
1423         }
1424         /* flush helps the compression for undo-save */
1425         mywrite(wd, MYWRITE_FLUSH, 0);
1426 }
1427
1428 static void write_cameras(WriteData *wd, ListBase *idbase)
1429 {
1430         Camera *cam;
1431
1432         cam= idbase->first;
1433         while(cam) {
1434                 if(cam->id.us>0 || wd->current) {
1435                         /* write LibData */
1436                         writestruct(wd, ID_CA, "Camera", 1, cam);
1437                         if (cam->id.properties) IDP_WriteProperty(cam->id.properties, wd);
1438                         
1439                         if (cam->adt) write_animdata(wd, cam->adt);
1440                 }
1441
1442                 cam= cam->id.next;
1443         }
1444 }
1445
1446 static void write_mballs(WriteData *wd, ListBase *idbase)
1447 {
1448         MetaBall *mb;
1449         MetaElem *ml;
1450
1451         mb= idbase->first;
1452         while(mb) {
1453                 if(mb->id.us>0 || wd->current) {
1454                         /* write LibData */
1455                         writestruct(wd, ID_MB, "MetaBall", 1, mb);
1456                         if (mb->id.properties) IDP_WriteProperty(mb->id.properties, wd);
1457
1458                         /* direct data */
1459                         writedata(wd, DATA, sizeof(void *)*mb->totcol, mb->mat);
1460                         if (mb->adt) write_animdata(wd, mb->adt);
1461
1462                         ml= mb->elems.first;
1463                         while(ml) {
1464                                 writestruct(wd, DATA, "MetaElem", 1, ml);
1465                                 ml= ml->next;
1466                         }
1467                 }
1468                 mb= mb->id.next;
1469         }
1470 }
1471
1472 static int amount_of_chars(char *str)
1473 {
1474         // Since the data is saved as UTF-8 to the cu->str
1475         // The cu->len is not same as the strlen(cu->str)
1476         return strlen(str);
1477 }
1478
1479 static void write_curves(WriteData *wd, ListBase *idbase)
1480 {
1481         Curve *cu;
1482         Nurb *nu;
1483
1484         cu= idbase->first;
1485         while(cu) {
1486                 if(cu->id.us>0 || wd->current) {
1487                         /* write LibData */
1488                         writestruct(wd, ID_CU, "Curve", 1, cu);
1489                         
1490                         /* direct data */
1491                         writedata(wd, DATA, sizeof(void *)*cu->totcol, cu->mat);
1492                         if (cu->id.properties) IDP_WriteProperty(cu->id.properties, wd);
1493                         if (cu->adt) write_animdata(wd, cu->adt);
1494                         
1495                         if(cu->vfont) {
1496                                 writedata(wd, DATA, amount_of_chars(cu->str)+1, cu->str);
1497                                 writestruct(wd, DATA, "CharInfo", cu->len+1, cu->strinfo);
1498                                 writestruct(wd, DATA, "TextBox", cu->totbox, cu->tb);                           
1499                         }
1500                         else {
1501                                 /* is also the order of reading */
1502                                 nu= cu->nurb.first;
1503                                 while(nu) {
1504                                         writestruct(wd, DATA, "Nurb", 1, nu);
1505                                         nu= nu->next;
1506                                 }
1507                                 nu= cu->nurb.first;
1508                                 while(nu) {
1509                                         if(nu->type == CU_BEZIER)
1510                                                 writestruct(wd, DATA, "BezTriple", nu->pntsu, nu->bezt);
1511                                         else {
1512                                                 writestruct(wd, DATA, "BPoint", nu->pntsu*nu->pntsv, nu->bp);
1513                                                 if(nu->knotsu) writedata(wd, DATA, KNOTSU(nu)*sizeof(float), nu->knotsu);
1514                                                 if(nu->knotsv) writedata(wd, DATA, KNOTSV(nu)*sizeof(float), nu->knotsv);
1515                                         }
1516                                         nu= nu->next;
1517                                 }
1518                         }
1519                 }
1520                 cu= cu->id.next;
1521         }
1522
1523         /* flush helps the compression for undo-save */
1524         mywrite(wd, MYWRITE_FLUSH, 0);
1525 }
1526
1527 static void write_dverts(WriteData *wd, int count, MDeformVert *dvlist)
1528 {
1529         if (dvlist) {
1530                 int i;
1531                 
1532                 /* Write the dvert list */
1533                 writestruct(wd, DATA, "MDeformVert", count, dvlist);
1534                 
1535                 /* Write deformation data for each dvert */
1536                 for (i=0; i<count; i++) {
1537                         if (dvlist[i].dw)
1538                                 writestruct(wd, DATA, "MDeformWeight", dvlist[i].totweight, dvlist[i].dw);
1539                 }
1540         }
1541 }
1542
1543 static void write_mdisps(WriteData *wd, int count, MDisps *mdlist, int external)
1544 {
1545         if(mdlist) {
1546                 int i;
1547                 
1548                 writestruct(wd, DATA, "MDisps", count, mdlist);
1549                 if(!external) {
1550                         for(i = 0; i < count; ++i) {
1551                                 if(mdlist[i].disps)
1552                                         writedata(wd, DATA, sizeof(float)*3*mdlist[i].totdisp, mdlist[i].disps);
1553                         }
1554                 }
1555         }
1556 }
1557
1558 static void write_customdata(WriteData *wd, ID *id, int count, CustomData *data, int partial_type, int partial_count)
1559 {
1560         int i;
1561
1562         /* write external customdata (not for undo) */
1563         if(data->external && !wd->current)
1564                 CustomData_external_write(data, id, CD_MASK_MESH, count, 0);
1565
1566         writestruct(wd, DATA, "CustomDataLayer", data->maxlayer, data->layers);
1567
1568         for (i=0; i<data->totlayer; i++) {
1569                 CustomDataLayer *layer= &data->layers[i];
1570                 const char *structname;
1571                 int structnum, datasize;
1572
1573                 if (layer->type == CD_MDEFORMVERT) {
1574                         /* layer types that allocate own memory need special handling */
1575                         write_dverts(wd, count, layer->data);
1576                 }
1577                 else if (layer->type == CD_MDISPS) {
1578                         write_mdisps(wd, count, layer->data, layer->flag & CD_FLAG_EXTERNAL);
1579                 }
1580                 else {
1581                         CustomData_file_write_info(layer->type, &structname, &structnum);
1582                         if (structnum) {
1583                                 /* when using partial visibility, the MEdge and MFace layers
1584                                    are smaller than the original, so their type and count is
1585                                    passed to make this work */
1586                                 if (layer->type != partial_type) datasize= structnum*count;
1587                                 else datasize= structnum*partial_count;
1588
1589                                 writestruct(wd, DATA, structname, datasize, layer->data);
1590                         }
1591                         else
1592                                 printf("error: this CustomDataLayer must not be written to file\n");
1593                 }
1594         }
1595
1596         if(data->external)
1597                 writestruct(wd, DATA, "CustomDataExternal", 1, data->external);
1598 }
1599
1600 static void write_meshs(WriteData *wd, ListBase *idbase)
1601 {
1602         Mesh *mesh;
1603
1604         mesh= idbase->first;
1605         while(mesh) {
1606                 if(mesh->id.us>0 || wd->current) {
1607                         /* write LibData */
1608                         writestruct(wd, ID_ME, "Mesh", 1, mesh);
1609
1610                         /* direct data */
1611                         if (mesh->id.properties) IDP_WriteProperty(mesh->id.properties, wd);
1612                         if (mesh->adt) write_animdata(wd, mesh->adt);
1613
1614                         writedata(wd, DATA, sizeof(void *)*mesh->totcol, mesh->mat);
1615
1616                         if(mesh->pv) {
1617                                 write_customdata(wd, &mesh->id, mesh->pv->totvert, &mesh->vdata, -1, 0);
1618                                 write_customdata(wd, &mesh->id, mesh->pv->totedge, &mesh->edata,
1619                                         CD_MEDGE, mesh->totedge);
1620                                 write_customdata(wd, &mesh->id, mesh->pv->totface, &mesh->fdata,
1621                                         CD_MFACE, mesh->totface);
1622                         }
1623                         else {
1624                                 write_customdata(wd, &mesh->id, mesh->totvert, &mesh->vdata, -1, 0);
1625                                 write_customdata(wd, &mesh->id, mesh->totedge, &mesh->edata, -1, 0);
1626                                 write_customdata(wd, &mesh->id, mesh->totface, &mesh->fdata, -1, 0);
1627                         }
1628
1629                         /* PMV data */
1630                         if(mesh->pv) {
1631                                 writestruct(wd, DATA, "PartialVisibility", 1, mesh->pv);
1632                                 writedata(wd, DATA, sizeof(unsigned int)*mesh->pv->totvert, mesh->pv->vert_map);
1633                                 writedata(wd, DATA, sizeof(int)*mesh->pv->totedge, mesh->pv->edge_map);
1634                                 writestruct(wd, DATA, "MFace", mesh->pv->totface, mesh->pv->old_faces);
1635                                 writestruct(wd, DATA, "MEdge", mesh->pv->totedge, mesh->pv->old_edges);
1636                         }
1637                 }
1638                 mesh= mesh->id.next;
1639         }
1640 }
1641
1642 static void write_lattices(WriteData *wd, ListBase *idbase)
1643 {
1644         Lattice *lt;
1645         
1646         lt= idbase->first;
1647         while(lt) {
1648                 if(lt->id.us>0 || wd->current) {
1649                         /* write LibData */
1650                         writestruct(wd, ID_LT, "Lattice", 1, lt);
1651                         if (lt->id.properties) IDP_WriteProperty(lt->id.properties, wd);
1652                         
1653                         /* write animdata */
1654                         if (lt->adt) write_animdata(wd, lt->adt);
1655                         
1656                         /* direct data */
1657                         writestruct(wd, DATA, "BPoint", lt->pntsu*lt->pntsv*lt->pntsw, lt->def);
1658                         
1659                         write_dverts(wd, lt->pntsu*lt->pntsv*lt->pntsw, lt->dvert);
1660                         
1661                 }
1662                 lt= lt->id.next;
1663         }
1664 }
1665
1666 static void write_previews(WriteData *wd, PreviewImage *prv)
1667 {
1668         if (prv) {
1669                 short w = prv->w[1];
1670                 short h = prv->h[1];
1671                 unsigned int *rect = prv->rect[1];
1672                 /* don't write out large previews if not requested */
1673                 if (!(U.flag & USER_SAVE_PREVIEWS) ) {
1674                         prv->w[1] = 0;
1675                         prv->h[1] = 0;
1676                         prv->rect[1] = NULL;
1677                 }
1678                 writestruct(wd, DATA, "PreviewImage", 1, prv);
1679                 if (prv->rect[0]) writedata(wd, DATA, prv->w[0]*prv->h[0]*sizeof(unsigned int), prv->rect[0]);
1680                 if (prv->rect[1]) writedata(wd, DATA, prv->w[1]*prv->h[1]*sizeof(unsigned int), prv->rect[1]);
1681
1682                 /* restore preview, we still want to keep it in memory even if not saved to file */
1683                 if (!(U.flag & USER_SAVE_PREVIEWS) ) {
1684                         prv->w[1] = w;
1685                         prv->h[1] = h;
1686                         prv->rect[1] = rect;
1687                 }
1688         }
1689 }
1690
1691 static void write_images(WriteData *wd, ListBase *idbase)
1692 {
1693         Image *ima;
1694         PackedFile * pf;
1695
1696
1697         ima= idbase->first;
1698         while(ima) {
1699                 if(ima->id.us>0 || wd->current) {
1700                         /* write LibData */
1701                         writestruct(wd, ID_IM, "Image", 1, ima);
1702                         if (ima->id.properties) IDP_WriteProperty(ima->id.properties, wd);
1703
1704                         if (ima->packedfile) {
1705                                 pf = ima->packedfile;
1706                                 writestruct(wd, DATA, "PackedFile", 1, pf);
1707                                 writedata(wd, DATA, pf->size, pf->data);
1708                         }
1709
1710                         write_previews(wd, ima->preview);
1711                 }
1712                 ima= ima->id.next;
1713         }
1714         /* flush helps the compression for undo-save */
1715         mywrite(wd, MYWRITE_FLUSH, 0);
1716 }
1717
1718 static void write_textures(WriteData *wd, ListBase *idbase)
1719 {
1720         Tex *tex;
1721
1722         tex= idbase->first;
1723         while(tex) {
1724                 if(tex->id.us>0 || wd->current) {
1725                         /* write LibData */
1726                         writestruct(wd, ID_TE, "Tex", 1, tex);
1727                         if (tex->id.properties) IDP_WriteProperty(tex->id.properties, wd);
1728
1729                         if (tex->adt) write_animdata(wd, tex->adt);
1730
1731                         /* direct data */
1732                         if(tex->type == TEX_PLUGIN && tex->plugin) writestruct(wd, DATA, "PluginTex", 1, tex->plugin);
1733                         if(tex->coba) writestruct(wd, DATA, "ColorBand", 1, tex->coba);
1734                         if(tex->type == TEX_ENVMAP && tex->env) writestruct(wd, DATA, "EnvMap", 1, tex->env);
1735                         if(tex->type == TEX_POINTDENSITY && tex->pd) {
1736                                 writestruct(wd, DATA, "PointDensity", 1, tex->pd);
1737                                 if(tex->pd->coba) writestruct(wd, DATA, "ColorBand", 1, tex->pd->coba);
1738                                 if(tex->pd->falloff_curve) write_curvemapping(wd, tex->pd->falloff_curve);
1739                         }
1740                         if(tex->type == TEX_VOXELDATA && tex->vd) writestruct(wd, DATA, "VoxelData", 1, tex->vd);
1741                         
1742                         /* nodetree is integral part of texture, no libdata */
1743                         if(tex->nodetree) {
1744                                 writestruct(wd, DATA, "bNodeTree", 1, tex->nodetree);
1745                                 write_nodetree(wd, tex->nodetree);
1746                         }
1747                         
1748                         write_previews(wd, tex->preview);
1749                 }
1750                 tex= tex->id.next;
1751         }
1752
1753         /* flush helps the compression for undo-save */
1754         mywrite(wd, MYWRITE_FLUSH, 0);
1755 }
1756
1757 static void write_materials(WriteData *wd, ListBase *idbase)
1758 {
1759         Material *ma;
1760         int a;
1761
1762         ma= idbase->first;
1763         while(ma) {
1764                 if(ma->id.us>0 || wd->current) {
1765                         /* write LibData */
1766                         writestruct(wd, ID_MA, "Material", 1, ma);
1767                         
1768                         /*Write ID Properties -- and copy this comment EXACTLY for easy finding
1769                           of library blocks that implement this.*/
1770                         /*manually set head group property to IDP_GROUP, just in case it hadn't been
1771                           set yet :) */
1772                         if (ma->id.properties) IDP_WriteProperty(ma->id.properties, wd);
1773                         
1774                         if (ma->adt) write_animdata(wd, ma->adt);
1775
1776                         for(a=0; a<MAX_MTEX; a++) {
1777                                 if(ma->mtex[a]) writestruct(wd, DATA, "MTex", 1, ma->mtex[a]);
1778                         }
1779                         
1780                         if(ma->ramp_col) writestruct(wd, DATA, "ColorBand", 1, ma->ramp_col);
1781                         if(ma->ramp_spec) writestruct(wd, DATA, "ColorBand", 1, ma->ramp_spec);
1782                         
1783                         /* nodetree is integral part of material, no libdata */
1784                         if(ma->nodetree) {
1785                                 writestruct(wd, DATA, "bNodeTree", 1, ma->nodetree);
1786                                 write_nodetree(wd, ma->nodetree);
1787                         }
1788
1789                         write_previews(wd, ma->preview);                        
1790                 }
1791                 ma= ma->id.next;
1792         }
1793 }
1794
1795 static void write_worlds(WriteData *wd, ListBase *idbase)
1796 {
1797         World *wrld;
1798         int a;
1799
1800         wrld= idbase->first;
1801         while(wrld) {
1802                 if(wrld->id.us>0 || wd->current) {
1803                         /* write LibData */
1804                         writestruct(wd, ID_WO, "World", 1, wrld);
1805                         if (wrld->id.properties) IDP_WriteProperty(wrld->id.properties, wd);
1806                         
1807                         if (wrld->adt) write_animdata(wd, wrld->adt);
1808                         
1809                         for(a=0; a<MAX_MTEX; a++) {
1810                                 if(wrld->mtex[a]) writestruct(wd, DATA, "MTex", 1, wrld->mtex[a]);
1811                         }
1812                         
1813                         write_previews(wd, wrld->preview);
1814                 }
1815                 wrld= wrld->id.next;
1816         }
1817 }
1818
1819 static void write_lamps(WriteData *wd, ListBase *idbase)
1820 {
1821         Lamp *la;
1822         int a;
1823
1824         la= idbase->first;
1825         while(la) {
1826                 if(la->id.us>0 || wd->current) {
1827                         /* write LibData */
1828                         writestruct(wd, ID_LA, "Lamp", 1, la);
1829                         if (la->id.properties) IDP_WriteProperty(la->id.properties, wd);
1830                         
1831                         if (la->adt) write_animdata(wd, la->adt);
1832                         
1833                         /* direct data */
1834                         for(a=0; a<MAX_MTEX; a++) {
1835                                 if(la->mtex[a]) writestruct(wd, DATA, "MTex", 1, la->mtex[a]);
1836                         }
1837                         
1838                         if(la->curfalloff)
1839                                 write_curvemapping(wd, la->curfalloff); 
1840                         
1841                         write_previews(wd, la->preview);
1842                         
1843                 }
1844                 la= la->id.next;
1845         }
1846 }
1847
1848
1849 static void write_scenes(WriteData *wd, ListBase *scebase)
1850 {
1851         Scene *sce;
1852         Base *base;
1853         Editing *ed;
1854         Sequence *seq;
1855         MetaStack *ms;
1856         Strip *strip;
1857         TimeMarker *marker;
1858         TransformOrientation *ts;
1859         SceneRenderLayer *srl;
1860         ToolSettings *tos;
1861         
1862         sce= scebase->first;
1863         while(sce) {
1864                 /* write LibData */
1865                 writestruct(wd, ID_SCE, "Scene", 1, sce);
1866                 if (sce->id.properties) IDP_WriteProperty(sce->id.properties, wd);
1867                 
1868                 if (sce->adt) write_animdata(wd, sce->adt);
1869                 write_keyingsets(wd, &sce->keyingsets);
1870                 
1871                 /* direct data */
1872                 base= sce->base.first;
1873                 while(base) {
1874                         writestruct(wd, DATA, "Base", 1, base);
1875                         base= base->next;
1876                 }
1877                 
1878                 tos = sce->toolsettings;
1879                 writestruct(wd, DATA, "ToolSettings", 1, tos);
1880                 if(tos->vpaint) {
1881                         writestruct(wd, DATA, "VPaint", 1, tos->vpaint);
1882                 }
1883                 if(tos->wpaint) {
1884                         writestruct(wd, DATA, "VPaint", 1, tos->wpaint);
1885                 }
1886                 if(tos->sculpt) {
1887                         writestruct(wd, DATA, "Sculpt", 1, tos->sculpt);
1888                 }
1889
1890                 // write_paint(wd, &tos->imapaint.paint);
1891
1892                 ed= sce->ed;
1893                 if(ed) {
1894                         writestruct(wd, DATA, "Editing", 1, ed);
1895                         
1896                         /* reset write flags too */
1897                         
1898                         SEQ_BEGIN(ed, seq) {
1899                                 if(seq->strip) seq->strip->done= 0;
1900                                 writestruct(wd, DATA, "Sequence", 1, seq);
1901                         }
1902                         SEQ_END
1903                         
1904                         SEQ_BEGIN(ed, seq) {
1905                                 if(seq->strip && seq->strip->done==0) {
1906                                         /* write strip with 'done' at 0 because readfile */
1907                                         
1908                                         if(seq->plugin) writestruct(wd, DATA, "PluginSeq", 1, seq->plugin);
1909                                         if(seq->effectdata) {
1910                                                 switch(seq->type){
1911                                                 case SEQ_COLOR:
1912                                                         writestruct(wd, DATA, "SolidColorVars", 1, seq->effectdata);
1913                                                         break;
1914                                                 case SEQ_SPEED:
1915                                                         writestruct(wd, DATA, "SpeedControlVars", 1, seq->effectdata);
1916                                                         break;
1917                                                 case SEQ_WIPE:
1918                                                         writestruct(wd, DATA, "WipeVars", 1, seq->effectdata);
1919                                                         break;
1920                                                 case SEQ_GLOW:
1921                                                         writestruct(wd, DATA, "GlowVars", 1, seq->effectdata);
1922                                                         break;
1923                                                 case SEQ_TRANSFORM:
1924                                                         writestruct(wd, DATA, "TransformVars", 1, seq->effectdata);
1925                                                         break;
1926                                                 }
1927                                         }
1928                                         
1929                                         strip= seq->strip;
1930                                         writestruct(wd, DATA, "Strip", 1, strip);
1931                                         if(seq->flag & SEQ_USE_CROP && strip->crop) {
1932                                                 writestruct(wd, DATA, "StripCrop", 1, strip->crop);
1933                                         }
1934                                         if(seq->flag & SEQ_USE_TRANSFORM && strip->transform) {
1935                                                 writestruct(wd, DATA, "StripTransform", 1, strip->transform);
1936                                         }
1937                                         if(seq->flag & SEQ_USE_PROXY && strip->proxy) {
1938                                                 writestruct(wd, DATA, "StripProxy", 1, strip->proxy);
1939                                         }
1940                                         if(seq->flag & SEQ_USE_COLOR_BALANCE && strip->color_balance) {
1941                                                 writestruct(wd, DATA, "StripColorBalance", 1, strip->color_balance);
1942                                         }
1943                                         if(seq->type==SEQ_IMAGE)
1944                                                 writestruct(wd, DATA, "StripElem", MEM_allocN_len(strip->stripdata) / sizeof(struct StripElem), strip->stripdata);
1945                                         else if(seq->type==SEQ_MOVIE || seq->type==SEQ_RAM_SOUND || seq->type == SEQ_HD_SOUND)
1946                                                 writestruct(wd, DATA, "StripElem", 1, strip->stripdata);
1947                                         
1948                                         strip->done= 1;
1949                                 }
1950                         }
1951                         SEQ_END
1952                                 
1953                         /* new; meta stack too, even when its nasty restore code */
1954                         for(ms= ed->metastack.first; ms; ms= ms->next) {
1955                                 writestruct(wd, DATA, "MetaStack", 1, ms);
1956                         }
1957                 }
1958                 
1959                 if (sce->r.avicodecdata) {
1960                         writestruct(wd, DATA, "AviCodecData", 1, sce->r.avicodecdata);
1961                         if (sce->r.avicodecdata->lpFormat) writedata(wd, DATA, sce->r.avicodecdata->cbFormat, sce->r.avicodecdata->lpFormat);
1962                         if (sce->r.avicodecdata->lpParms) writedata(wd, DATA, sce->r.avicodecdata->cbParms, sce->r.avicodecdata->lpParms);
1963                 }
1964
1965                 if (sce->r.qtcodecdata) {
1966                         writestruct(wd, DATA, "QuicktimeCodecData", 1, sce->r.qtcodecdata);
1967                         if (sce->r.qtcodecdata->cdParms) writedata(wd, DATA, sce->r.qtcodecdata->cdSize, sce->r.qtcodecdata->cdParms);
1968                 }
1969                 if (sce->r.ffcodecdata.properties) {
1970                         IDP_WriteProperty(sce->r.ffcodecdata.properties, wd);
1971                 }
1972
1973                 /* writing dynamic list of TimeMarkers to the blend file */
1974                 for(marker= sce->markers.first; marker; marker= marker->next)
1975                         writestruct(wd, DATA, "TimeMarker", 1, marker);
1976                 
1977                 /* writing dynamic list of TransformOrientations to the blend file */
1978                 for(ts = sce->transform_spaces.first; ts; ts = ts->next)
1979                         writestruct(wd, DATA, "TransformOrientation", 1, ts);
1980                 
1981                 for(srl= sce->r.layers.first; srl; srl= srl->next)
1982                         writestruct(wd, DATA, "SceneRenderLayer", 1, srl);
1983                 
1984                 if(sce->nodetree) {
1985                         writestruct(wd, DATA, "bNodeTree", 1, sce->nodetree);
1986                         write_nodetree(wd, sce->nodetree);
1987                 }
1988                 
1989                 sce= sce->id.next;
1990         }
1991         /* flush helps the compression for undo-save */
1992         mywrite(wd, MYWRITE_FLUSH, 0);
1993 }
1994
1995 static void write_gpencils(WriteData *wd, ListBase *lb)
1996 {
1997         bGPdata *gpd;
1998         bGPDlayer *gpl;
1999         bGPDframe *gpf;
2000         bGPDstroke *gps;
2001         
2002         for (gpd= lb->first; gpd; gpd= gpd->id.next) {
2003                 if (gpd->id.us>0 || wd->current) {
2004                         /* write gpd data block to file */
2005                         writestruct(wd, ID_GD, "bGPdata", 1, gpd);
2006                         
2007                         /* write grease-pencil layers to file */
2008                         for (gpl= gpd->layers.first; gpl; gpl= gpl->next) {
2009                                 writestruct(wd, DATA, "bGPDlayer", 1, gpl);
2010                                 
2011                                 /* write this layer's frames to file */
2012                                 for (gpf= gpl->frames.first; gpf; gpf= gpf->next) {
2013                                         writestruct(wd, DATA, "bGPDframe", 1, gpf);
2014                                         
2015                                         /* write strokes */
2016                                         for (gps= gpf->strokes.first; gps; gps= gps->next) {
2017                                                 writestruct(wd, DATA, "bGPDstroke", 1, gps);
2018                                                 writestruct(wd, DATA, "bGPDspoint", gps->totpoints, gps->points);                               
2019                                         }
2020                                 }
2021                         }
2022                 }
2023         }
2024 }
2025
2026 static void write_windowmanagers(WriteData *wd, ListBase *lb)
2027 {
2028         wmWindowManager *wm;
2029         wmWindow *win;
2030         
2031         for(wm= lb->first; wm; wm= wm->id.next) {
2032                 writestruct(wd, ID_WM, "wmWindowManager", 1, wm);
2033                 
2034                 for(win= wm->windows.first; win; win= win->next)
2035                         writestruct(wd, DATA, "wmWindow", 1, win);
2036         }
2037 }
2038
2039 static void write_region(WriteData *wd, ARegion *ar, int spacetype)
2040 {       
2041         writestruct(wd, DATA, "ARegion", 1, ar);
2042         
2043         if(ar->regiondata) {
2044                 switch(spacetype) {
2045                         case SPACE_VIEW3D:
2046                                 if(ar->regiontype==RGN_TYPE_WINDOW) {
2047                                         RegionView3D *rv3d= ar->regiondata;
2048                                         writestruct(wd, DATA, "RegionView3D", 1, rv3d);
2049                                         
2050                                         if(rv3d->localvd)
2051                                                 writestruct(wd, DATA, "RegionView3D", 1, rv3d->localvd);
2052                                         if(rv3d->clipbb) 
2053                                                 writestruct(wd, DATA, "BoundBox", 1, rv3d->clipbb);
2054
2055                                 }
2056                                 else
2057                                         printf("regiondata write missing!\n");
2058                                 break;
2059                         default:
2060                                 printf("regiondata write missing!\n");
2061                 }
2062         }
2063 }
2064
2065 static void write_screens(WriteData *wd, ListBase *scrbase)
2066 {
2067         bScreen *sc;
2068         ScrArea *sa;
2069         ScrVert *sv;
2070         ScrEdge *se;
2071
2072         sc= scrbase->first;
2073         while(sc) {
2074                 
2075                 /* write LibData */
2076                 /* in 2.50+ files, the file identifier for screens is patched, forward compatibility */
2077                 writestruct(wd, ID_SCRN, "Screen", 1, sc);
2078                 if (sc->id.properties) 
2079                         IDP_WriteProperty(sc->id.properties, wd);
2080                 
2081                 /* direct data */
2082                 for(sv= sc->vertbase.first; sv; sv= sv->next)
2083                         writestruct(wd, DATA, "ScrVert", 1, sv);
2084                 
2085                 for(se= sc->edgebase.first; se; se= se->next) 
2086                         writestruct(wd, DATA, "ScrEdge", 1, se);
2087                 
2088                 for(sa= sc->areabase.first; sa; sa= sa->next) {
2089                         SpaceLink *sl;
2090                         Panel *pa;
2091                         ARegion *ar;
2092                         
2093                         writestruct(wd, DATA, "ScrArea", 1, sa);
2094                         
2095                         for(ar= sa->regionbase.first; ar; ar= ar->next) {
2096                                 write_region(wd, ar, sa->spacetype);
2097                                 
2098                                 for(pa= ar->panels.first; pa; pa= pa->next)
2099                                         writestruct(wd, DATA, "Panel", 1, pa);
2100                         }
2101                         
2102                         sl= sa->spacedata.first;
2103                         while(sl) {
2104                                 for(ar= sl->regionbase.first; ar; ar= ar->next)
2105                                         write_region(wd, ar, sl->spacetype);
2106                                 
2107                                 if(sl->spacetype==SPACE_VIEW3D) {
2108                                         View3D *v3d= (View3D *) sl;
2109                                         BGpic *bgpic;
2110                                         writestruct(wd, DATA, "View3D", 1, v3d);
2111                                         for (bgpic= v3d->bgpicbase.first; bgpic; bgpic= bgpic->next)
2112                                                 writestruct(wd, DATA, "BGpic", 1, bgpic);
2113                                         if(v3d->localvd) writestruct(wd, DATA, "View3D", 1, v3d->localvd);
2114                                 }
2115                                 else if(sl->spacetype==SPACE_IPO) {
2116                                         SpaceIpo *sipo= (SpaceIpo *)sl;
2117                                         ListBase tmpGhosts = sipo->ghostCurves;
2118                                         
2119                                         /* temporarily disable ghost curves when saving */
2120                                         sipo->ghostCurves.first= sipo->ghostCurves.last= NULL;
2121                                         
2122                                         writestruct(wd, DATA, "SpaceIpo", 1, sl);
2123                                         if(sipo->ads) writestruct(wd, DATA, "bDopeSheet", 1, sipo->ads);
2124                                         
2125                                         /* reenable ghost curves */
2126                                         sipo->ghostCurves= tmpGhosts;
2127                                 }
2128                                 else if(sl->spacetype==SPACE_BUTS) {
2129                                         writestruct(wd, DATA, "SpaceButs", 1, sl);
2130                                 }
2131                                 else if(sl->spacetype==SPACE_FILE) {
2132                                         writestruct(wd, DATA, "SpaceFile", 1, sl);
2133                                 }
2134                                 else if(sl->spacetype==SPACE_SEQ) {
2135                                         writestruct(wd, DATA, "SpaceSeq", 1, sl);
2136                                 }
2137                                 else if(sl->spacetype==SPACE_OUTLINER) {
2138                                         SpaceOops *so= (SpaceOops *)sl;
2139                                         
2140                                         writestruct(wd, DATA, "SpaceOops", 1, so);
2141
2142                                         /* outliner */
2143                                         if(so->treestore) {
2144                                                 writestruct(wd, DATA, "TreeStore", 1, so->treestore);
2145                                                 if(so->treestore->data)
2146                                                         writestruct(wd, DATA, "TreeStoreElem", so->treestore->usedelem, so->treestore->data);
2147                                         }
2148                                 }
2149                                 else if(sl->spacetype==SPACE_IMAGE) {
2150                                         SpaceImage *sima= (SpaceImage *)sl;
2151                                         
2152                                         writestruct(wd, DATA, "SpaceImage", 1, sl);
2153                                         if(sima->cumap)
2154                                                 write_curvemapping(wd, sima->cumap);
2155                                 }
2156                                 else if(sl->spacetype==SPACE_IMASEL) {
2157                                         // XXX: depreceated... do we still want to keep this?
2158                                         writestruct(wd, DATA, "SpaceImaSel", 1, sl);
2159                                 }
2160                                 else if(sl->spacetype==SPACE_TEXT) {
2161                                         writestruct(wd, DATA, "SpaceText", 1, sl);
2162                                 }
2163                                 else if(sl->spacetype==SPACE_SCRIPT) {
2164                                         SpaceScript *scr = (SpaceScript*)sl;
2165                                         scr->but_refs = NULL;
2166                                         writestruct(wd, DATA, "SpaceScript", 1, sl);
2167                                 }
2168                                 else if(sl->spacetype==SPACE_ACTION) {
2169                                         writestruct(wd, DATA, "SpaceAction", 1, sl);
2170                                 }
2171                                 else if(sl->spacetype==SPACE_SOUND) {
2172                                         writestruct(wd, DATA, "SpaceSound", 1, sl);
2173                                 }
2174                                 else if(sl->spacetype==SPACE_NLA){
2175                                         SpaceNla *snla= (SpaceNla *)sl;
2176                                         
2177                                         writestruct(wd, DATA, "SpaceNla", 1, snla);
2178                                         if(snla->ads) writestruct(wd, DATA, "bDopeSheet", 1, snla->ads);
2179                                 }
2180                                 else if(sl->spacetype==SPACE_TIME){
2181                                         writestruct(wd, DATA, "SpaceTime", 1, sl);
2182                                 }
2183                                 else if(sl->spacetype==SPACE_NODE){
2184                                         writestruct(wd, DATA, "SpaceNode", 1, sl);
2185                                 }
2186                                 else if(sl->spacetype==SPACE_LOGIC){
2187                                         writestruct(wd, DATA, "SpaceLogic", 1, sl);
2188                                 }
2189                                 else if(sl->spacetype==SPACE_CONSOLE) {
2190                                         SpaceConsole *con = (SpaceConsole*)sl;
2191                                         ConsoleLine *cl;
2192
2193                                         for (cl=con->history.first; cl; cl=cl->next) {
2194                                                 /* 'len_alloc' is invalid on write, set from 'len' on read */
2195                                                 writestruct(wd, DATA, "ConsoleLine", 1, cl);
2196                                                 writedata(wd, DATA, cl->len+1, cl->line);
2197                                         }
2198                                         writestruct(wd, DATA, "SpaceConsole", 1, sl);
2199
2200                                 }
2201                                 else if(sl->spacetype==SPACE_USERPREF) {
2202                                         writestruct(wd, DATA, "SpaceUserPref", 1, sl);
2203                                 }
2204
2205                                 sl= sl->next;
2206                         }
2207                 }
2208
2209                 sc= sc->id.next;
2210         }
2211 }
2212
2213 static void write_libraries(WriteData *wd, Main *main)
2214 {
2215         ListBase *lbarray[30];
2216         ID *id;
2217         int a, tot, foundone;
2218
2219         for(; main; main= main->next) {
2220
2221                 a=tot= set_listbasepointers(main, lbarray);
2222
2223                 /* test: is lib being used */
2224                 foundone= 0;
2225                 while(tot--) {
2226                         for(id= lbarray[tot]->first; id; id= id->next) {
2227                                 if(id->us>0 && (id->flag & LIB_EXTERN)) {
2228                                         foundone= 1;
2229                                         break;
2230                                 }
2231                         }
2232                         if(foundone) break;
2233                 }
2234
2235                 if(foundone) {
2236                         writestruct(wd, ID_LI, "Library", 1, main->curlib);
2237
2238                         while(a--) {
2239                                 for(id= lbarray[a]->first; id; id= id->next) {
2240                                         if(id->us>0 && (id->flag & LIB_EXTERN)) {
2241                                                 writestruct(wd, ID_ID, "ID", 1, id);
2242                                         }
2243                                 }
2244                         }
2245                 }
2246         }
2247 }
2248
2249 static void write_bone(WriteData *wd, Bone* bone)
2250 {
2251         Bone*   cbone;
2252
2253         // PATCH for upward compatibility after 2.37+ armature recode
2254         bone->size[0]= bone->size[1]= bone->size[2]= 1.0f;
2255                 
2256         // Write this bone
2257         writestruct(wd, DATA, "Bone", 1, bone);
2258
2259         /* Write ID Properties -- and copy this comment EXACTLY for easy finding
2260          of library blocks that implement this.*/
2261         if (bone->prop)
2262                 IDP_WriteProperty(bone->prop, wd);
2263         
2264         // Write Children
2265         cbone= bone->childbase.first;
2266         while(cbone) {
2267                 write_bone(wd, cbone);
2268                 cbone= cbone->next;
2269         }
2270 }
2271
2272 static void write_armatures(WriteData *wd, ListBase *idbase)
2273 {
2274         bArmature       *arm;
2275         Bone            *bone;
2276
2277         arm=idbase->first;
2278         while (arm) {
2279                 if (arm->id.us>0 || wd->current) {
2280                         writestruct(wd, ID_AR, "bArmature", 1, arm);
2281                         if (arm->id.properties) IDP_WriteProperty(arm->id.properties, wd);
2282
2283                         if (arm->adt) write_animdata(wd, arm->adt);
2284
2285                         /* Direct data */
2286                         bone= arm->bonebase.first;
2287                         while(bone) {
2288                                 write_bone(wd, bone);
2289                                 bone=bone->next;
2290                         }
2291                 }
2292                 arm=arm->id.next;
2293         }
2294
2295         /* flush helps the compression for undo-save */
2296         mywrite(wd, MYWRITE_FLUSH, 0);
2297 }
2298
2299 static void write_texts(WriteData *wd, ListBase *idbase)
2300 {
2301         Text *text;
2302         TextLine *tmp;
2303         TextMarker *mrk;
2304
2305         text= idbase->first;
2306         while(text) {
2307                 if ( (text->flags & TXT_ISMEM) && (text->flags & TXT_ISEXT)) text->flags &= ~TXT_ISEXT;
2308
2309                 /* write LibData */
2310                 writestruct(wd, ID_TXT, "Text", 1, text);
2311                 if(text->name) writedata(wd, DATA, strlen(text->name)+1, text->name);
2312                 if (text->id.properties) IDP_WriteProperty(text->id.properties, wd);
2313
2314                 if(!(text->flags & TXT_ISEXT)) {
2315                         /* now write the text data, in two steps for optimization in the readfunction */
2316                         tmp= text->lines.first;
2317                         while (tmp) {
2318                                 writestruct(wd, DATA, "TextLine", 1, tmp);
2319                                 tmp= tmp->next;
2320                         }
2321
2322                         tmp= text->lines.first;
2323                         while (tmp) {
2324                                 writedata(wd, DATA, tmp->len+1, tmp->line);
2325                                 tmp= tmp->next;
2326                         }
2327
2328                         /* write markers */
2329                         mrk= text->markers.first;
2330                         while (mrk) {
2331                                 writestruct(wd, DATA, "TextMarker", 1, mrk);
2332                                 mrk= mrk->next;
2333                         }
2334                 }
2335
2336
2337                 text= text->id.next;
2338         }
2339
2340         /* flush helps the compression for undo-save */
2341         mywrite(wd, MYWRITE_FLUSH, 0);
2342 }
2343
2344 static void write_sounds(WriteData *wd, ListBase *idbase)
2345 {
2346         bSound *sound;
2347
2348         PackedFile * pf;
2349
2350         sound= idbase->first;
2351         while(sound) {
2352                 if(sound->id.us>0 || wd->current) {
2353                         /* write LibData */
2354                         writestruct(wd, ID_SO, "bSound", 1, sound);
2355                         if (sound->id.properties) IDP_WriteProperty(sound->id.properties, wd);
2356
2357                         if (sound->packedfile) {
2358                                 pf = sound->packedfile;
2359                                 writestruct(wd, DATA, "PackedFile", 1, pf);
2360                                 writedata(wd, DATA, pf->size, pf->data);
2361                         }
2362                 }
2363                 sound= sound->id.next;
2364         }
2365
2366         /* flush helps the compression for undo-save */
2367         mywrite(wd, MYWRITE_FLUSH, 0);
2368 }
2369
2370 static void write_groups(WriteData *wd, ListBase *idbase)
2371 {
2372         Group *group;
2373         GroupObject *go;
2374
2375         for(group= idbase->first; group; group= group->id.next) {
2376                 if(group->id.us>0 || wd->current) {
2377                         /* write LibData */
2378                         writestruct(wd, ID_GR, "Group", 1, group);
2379                         if (group->id.properties) IDP_WriteProperty(group->id.properties, wd);
2380
2381                         go= group->gobject.first;
2382                         while(go) {
2383                                 writestruct(wd, DATA, "GroupObject", 1, go);
2384                                 go= go->next;
2385                         }
2386                 }
2387         }
2388 }
2389
2390 static void write_nodetrees(WriteData *wd, ListBase *idbase)
2391 {
2392         bNodeTree *ntree;
2393         
2394         for(ntree=idbase->first; ntree; ntree= ntree->id.next) {
2395                 if (ntree->id.us>0 || wd->current) {
2396                         writestruct(wd, ID_NT, "bNodeTree", 1, ntree);
2397                         write_nodetree(wd, ntree);
2398                         
2399                         if (ntree->id.properties) IDP_WriteProperty(ntree->id.properties, wd);
2400                         
2401                         if (ntree->adt) write_animdata(wd, ntree->adt);
2402                 }
2403         }
2404 }
2405
2406 static void write_brushes(WriteData *wd, ListBase *idbase)
2407 {
2408         Brush *brush;
2409         
2410         for(brush=idbase->first; brush; brush= brush->id.next) {
2411                 if(brush->id.us>0 || wd->current) {
2412                         writestruct(wd, ID_BR, "Brush", 1, brush);
2413                         if (brush->id.properties) IDP_WriteProperty(brush->id.properties, wd);
2414                         
2415                         writestruct(wd, DATA, "MTex", 1, &brush->mtex);
2416                         
2417                         if(brush->curve)
2418                                 write_curvemapping(wd, brush->curve);
2419                 }
2420         }
2421 }
2422
2423 static void write_scripts(WriteData *wd, ListBase *idbase)
2424 {
2425         Script *script;
2426         
2427         for(script=idbase->first; script; script= script->id.next) {
2428                 if(script->id.us>0 || wd->current) {
2429                         writestruct(wd, ID_SCRIPT, "Script", 1, script);
2430                         if (script->id.properties) IDP_WriteProperty(script->id.properties, wd);
2431                 }
2432         }
2433 }
2434
2435 /* context is usually defined by WM, two cases where no WM is available:
2436  * - for forward compatibility, curscreen has to be saved
2437  * - for undofile, curscene needs to be saved */
2438 static void write_global(WriteData *wd, int fileflags, Main *mainvar)
2439 {
2440         FileGlobal fg;
2441         bScreen *screen;
2442         char subvstr[8];
2443         
2444         /* prevent mem checkers from complaining */
2445         fg.pads= fg.pad= 0;
2446         memset(fg.filename, 0, sizeof(fg.filename));
2447
2448         current_screen_compat(mainvar, &screen);
2449
2450         /* XXX still remap G */
2451         fg.curscreen= screen;
2452         fg.curscene= screen->scene;
2453         fg.displaymode= G.displaymode;
2454         fg.winpos= G.winpos;
2455         fg.fileflags= (fileflags & ~(G_FILE_NO_UI|G_FILE_RELATIVE_REMAP));      // prevent to save this, is not good convention, and feature with concerns...
2456         fg.globalf= G.f;
2457         BLI_strncpy(fg.filename, mainvar->name, sizeof(fg.filename));
2458
2459         sprintf(subvstr, "%4d", BLENDER_SUBVERSION);
2460         memcpy(fg.subvstr, subvstr, 4);
2461         
2462         fg.subversion= BLENDER_SUBVERSION;
2463         fg.minversion= BLENDER_MINVERSION;
2464         fg.minsubversion= BLENDER_MINSUBVERSION;
2465 #ifdef NAN_BUILDINFO
2466         {
2467                 extern char build_rev[];
2468                 fg.revision= atoi(build_rev);
2469         }
2470 #else
2471         fg.revision= 0;
2472 #endif
2473         writestruct(wd, GLOB, "FileGlobal", 1, &fg);
2474 }
2475
2476 /* preview image, first 2 values are width and height
2477  * second are an RGBA image (unsigned char)
2478  * note, this uses 'TEST' since new types will segfault on file load for older blender versions.
2479  */
2480 static void write_thumb(WriteData *wd, int *img)
2481 {
2482         if(img)
2483                 writedata(wd, TEST, (2 + img[0] * img[1]) * sizeof(int), img);
2484 }
2485
2486 /* if MemFile * there's filesave to memory */
2487 static int write_file_handle(Main *mainvar, int handle, MemFile *compare, MemFile *current, 
2488                                                          int write_user_block, int write_flags, int *thumb)
2489 {
2490         BHead bhead;
2491         ListBase mainlist;
2492         char buf[16];
2493         WriteData *wd;
2494
2495         blo_split_main(&mainlist, mainvar);
2496
2497         wd= bgnwrite(handle, compare, current);
2498         
2499         sprintf(buf, "BLENDER%c%c%.3d", (sizeof(void*)==8)?'-':'_', (ENDIAN_ORDER==B_ENDIAN)?'V':'v', BLENDER_VERSION);
2500         mywrite(wd, buf, 12);
2501
2502         write_renderinfo(wd, mainvar);
2503         write_thumb(wd, thumb);
2504         write_global(wd, write_flags, mainvar);
2505
2506         /* no UI save in undo */
2507         if(current==NULL) {
2508                 write_windowmanagers(wd, &mainvar->wm);
2509                 write_screens  (wd, &mainvar->screen);
2510         }
2511         write_scenes   (wd, &mainvar->scene);
2512         write_curves   (wd, &mainvar->curve);
2513         write_mballs   (wd, &mainvar->mball);
2514         write_images   (wd, &mainvar->image);
2515         write_cameras  (wd, &mainvar->camera);
2516         write_lamps    (wd, &mainvar->lamp);
2517         write_lattices (wd, &mainvar->latt);
2518         write_vfonts   (wd, &mainvar->vfont);
2519         write_keys     (wd, &mainvar->key);
2520         write_worlds   (wd, &mainvar->world);
2521         write_texts    (wd, &mainvar->text);
2522         write_sounds   (wd, &mainvar->sound);
2523         write_groups   (wd, &mainvar->group);
2524         write_armatures(wd, &mainvar->armature);
2525         write_actions  (wd, &mainvar->action);
2526         write_objects  (wd, &mainvar->object);
2527         write_materials(wd, &mainvar->mat);
2528         write_textures (wd, &mainvar->tex);
2529         write_meshs    (wd, &mainvar->mesh);
2530         write_particlesettings(wd, &mainvar->particle);
2531         write_nodetrees(wd, &mainvar->nodetree);
2532         write_brushes  (wd, &mainvar->brush);
2533         write_scripts  (wd, &mainvar->script);
2534         write_gpencils (wd, &mainvar->gpencil);
2535         write_libraries(wd,  mainvar->next);
2536
2537         if (write_user_block) {
2538                 write_userdef(wd);
2539         }
2540                                                         
2541         /* dna as last, because (to be implemented) test for which structs are written */
2542         writedata(wd, DNA1, wd->sdna->datalen, wd->sdna->data);
2543
2544         /* end of file */
2545         memset(&bhead, 0, sizeof(BHead));
2546         bhead.code= ENDB;
2547         mywrite(wd, &bhead, sizeof(BHead));
2548
2549         blo_join_main(&mainlist);
2550
2551         return endwrite(wd);
2552 }
2553
2554 /* do reverse file history: .blend1 -> .blend2, .blend -> .blend1 */
2555 /* return: success(0), failure(1) */
2556 static int do_history(const char *name, ReportList *reports)
2557 {
2558         char tempname1[FILE_MAXDIR+FILE_MAXFILE], tempname2[FILE_MAXDIR+FILE_MAXFILE];
2559         int hisnr= U.versions;
2560         
2561         if(U.versions==0) return 0;
2562         if(strlen(name)<2) {
2563                 BKE_report(reports, RPT_ERROR, "Unable to make version backup: filename too short");
2564                 return 1;
2565         }
2566                 
2567         while(hisnr > 1) {
2568                 BLI_snprintf(tempname1, sizeof(tempname1), "%s%d", name, hisnr-1);
2569                 BLI_snprintf(tempname2, sizeof(tempname2), "%s%d", name, hisnr);
2570         
2571                 if(BLI_rename(tempname1, tempname2)) {
2572                         BKE_report(reports, RPT_ERROR, "Unable to make version backup");
2573                         return 1;
2574                 }       
2575                 hisnr--;
2576         }
2577
2578         /* is needed when hisnr==1 */
2579         BLI_snprintf(tempname1, sizeof(tempname1), "%s%d", name, hisnr);
2580
2581         if(BLI_rename(name, tempname1)) {
2582                 BKE_report(reports, RPT_ERROR, "Unable to make version backup");
2583                 return 1;
2584         }
2585
2586         return 0;
2587 }
2588
2589 /* return: success (1) */
2590 int BLO_write_file(Main *mainvar, const char *filepath, int write_flags, ReportList *reports, int *thumb)
2591 {
2592         char userfilename[FILE_MAXDIR+FILE_MAXFILE];
2593         char tempname[FILE_MAXDIR+FILE_MAXFILE+1];
2594         int file, err, write_user_block;
2595
2596         /* open temporary file, so we preserve the original in case we crash */
2597         BLI_snprintf(tempname, sizeof(tempname), "%s@", filepath);
2598
2599         file = open(tempname,O_BINARY+O_WRONLY+O_CREAT+O_TRUNC, 0666);
2600         if(file == -1) {
2601                 BKE_reportf(reports, RPT_ERROR, "Can't open file %s for writing: %s.", tempname, strerror(errno));
2602                 return 0;
2603         }
2604
2605         /* remapping of relative paths to new file location */
2606         if(write_flags & G_FILE_RELATIVE_REMAP) {
2607                 char dir1[FILE_MAXDIR+FILE_MAXFILE];
2608                 char dir2[FILE_MAXDIR+FILE_MAXFILE];
2609                 BLI_split_dirfile(filepath, dir1, NULL);
2610                 BLI_split_dirfile(mainvar->name, dir2, NULL);
2611
2612                 /* just incase there is some subtle difference */
2613                 BLI_cleanup_dir(mainvar->name, dir1);
2614                 BLI_cleanup_dir(mainvar->name, dir2);
2615
2616                 if(BLI_path_cmp(dir1, dir2)==0) {
2617                         write_flags &= ~G_FILE_RELATIVE_REMAP;
2618                 }
2619                 else {
2620                         if(G.relbase_valid) {
2621                                 /* blend may not have been saved before. Tn this case
2622                                  * we should not have any relative paths, but if there
2623                                  * is somehow, an invalid or empty G.main->name it will
2624                                  * print an error, dont try make the absolute in this case. */
2625                                 makeFilesAbsolute(mainvar, G.main->name, NULL);
2626                         }
2627                 }
2628         }
2629
2630         BLI_make_file_string(G.main->name, userfilename, BLI_get_folder_create(BLENDER_USER_CONFIG, NULL), BLENDER_STARTUP_FILE);
2631         write_user_block= (BLI_path_cmp(filepath, userfilename) == 0);
2632
2633         if(write_flags & G_FILE_RELATIVE_REMAP)
2634                 makeFilesRelative(mainvar, filepath, NULL); /* note, making relative to something OTHER then G.main->name */
2635
2636         /* actual file writing */
2637         err= write_file_handle(mainvar, file, NULL,NULL, write_user_block, write_flags, thumb);
2638         close(file);
2639
2640         if (err) {
2641                 BKE_report(reports, RPT_ERROR, strerror(errno));
2642                 remove(tempname);
2643
2644                 return 0;
2645         }
2646
2647         /* file save to temporary file was successful */
2648         /* now do reverse file history (move .blend1 -> .blend2, .blend -> .blend1) */
2649         if (write_flags & G_FILE_HISTORY) { 
2650                 int err_hist = do_history(filepath, reports);
2651                 if (err_hist) {
2652                         BKE_report(reports, RPT_ERROR, "Version backup failed. File saved with @");
2653                         return 0;
2654                 }
2655         }
2656
2657         if(write_flags & G_FILE_COMPRESS) {
2658                 /* compressed files have the same ending as regular files... only from 2.4!!! */
2659                 char gzname[FILE_MAXDIR+FILE_MAXFILE+4];
2660                 int ret;
2661
2662                 /* first write compressed to separate @.gz */
2663                 BLI_snprintf(gzname, sizeof(gzname), "%s@.gz", filepath);
2664                 ret = BLI_gzip(tempname, gzname);
2665                 
2666                 if(0==ret) {
2667                         /* now rename to real file name, and delete temp @ file too */
2668                         if(BLI_rename(gzname, filepath) != 0) {
2669                                 BKE_report(reports, RPT_ERROR, "Can't change old file. File saved with @.");
2670                                 return 0;
2671                         }
2672
2673                         BLI_delete(tempname, 0, 0);
2674                 }
2675                 else if(-1==ret) {
2676                         BKE_report(reports, RPT_ERROR, "Failed opening .gz file.");
2677                         return 0;
2678                 }
2679                 else if(-2==ret) {
2680                         BKE_report(reports, RPT_ERROR, "Failed opening .blend file for compression.");
2681                         return 0;
2682                 }
2683         }
2684         else if(BLI_rename(tempname, filepath) != 0) {
2685                 BKE_report(reports, RPT_ERROR, "Can't change old file. File saved with @");
2686                 return 0;
2687         }
2688
2689         return 1;
2690 }
2691
2692 /* return: success (1) */
2693 int BLO_write_file_mem(Main *mainvar, MemFile *compare, MemFile *current, int write_flags)
2694 {
2695         int err;
2696
2697         err= write_file_handle(mainvar, 0, compare, current, 0, write_flags, NULL);
2698         
2699         if(err==0) return 1;
2700         return 0;
2701 }