Fix for [#26712] Particle group instance 'Use Count' value gets reset on file-load.
[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_genfile.h"
103 #include "DNA_group_types.h"
104 #include "DNA_gpencil_types.h"
105 #include "DNA_fileglobal_types.h"
106 #include "DNA_key_types.h"
107 #include "DNA_lattice_types.h"
108 #include "DNA_lamp_types.h"
109 #include "DNA_meta_types.h"
110 #include "DNA_mesh_types.h"
111 #include "DNA_meshdata_types.h"
112 #include "DNA_material_types.h"
113 #include "DNA_node_types.h"
114 #include "DNA_object_types.h"
115 #include "DNA_object_force.h"
116 #include "DNA_packedFile_types.h"
117 #include "DNA_particle_types.h"
118 #include "DNA_property_types.h"
119 #include "DNA_scene_types.h"
120 #include "DNA_sdna_types.h"
121 #include "DNA_sequence_types.h"
122 #include "DNA_sensor_types.h"
123 #include "DNA_smoke_types.h"
124 #include "DNA_space_types.h"
125 #include "DNA_screen_types.h"
126 #include "DNA_sound_types.h"
127 #include "DNA_text_types.h"
128 #include "DNA_view3d_types.h"
129 #include "DNA_vfont_types.h"
130 #include "DNA_world_types.h"
131 #include "DNA_windowmanager_types.h"
132
133 #include "MEM_guardedalloc.h" // MEM_freeN
134 #include "BLI_blenlib.h"
135 #include "BLI_linklist.h"
136 #include "BLI_bpath.h"
137 #include "BLI_utildefines.h"
138
139 #include "BKE_action.h"
140 #include "BKE_blender.h"
141 #include "BKE_curve.h"
142 #include "BKE_constraint.h"
143 #include "BKE_global.h" // for G
144 #include "BKE_library.h" // for  set_listbasepointers
145 #include "BKE_main.h"
146 #include "BKE_node.h"
147 #include "BKE_report.h"
148 #include "BKE_sequencer.h"
149 #include "BKE_utildefines.h"
150 #include "BKE_modifier.h"
151 #include "BKE_fcurve.h"
152 #include "BKE_pointcache.h"
153
154 #include "BLO_writefile.h"
155 #include "BLO_readfile.h"
156 #include "BLO_undofile.h"
157
158 #include "readfile.h"
159
160 #include <errno.h>
161
162 /* ********* my write, buffered writing with minimum size chunks ************ */
163
164 #define MYWRITE_BUFFER_SIZE     100000
165 #define MYWRITE_MAX_CHUNK       32768
166
167 typedef struct {
168         struct SDNA *sdna;
169
170         int file;
171         unsigned char *buf;
172         MemFile *compare, *current;
173         
174         int tot, count, error, memsize;
175 } WriteData;
176
177 static WriteData *writedata_new(int file)
178 {
179         WriteData *wd= MEM_callocN(sizeof(*wd), "writedata");
180
181                 /* XXX, see note about this in readfile.c, remove
182                  * once we have an xp lock - zr
183                  */
184
185         if (wd == NULL) return NULL;
186
187         wd->sdna= DNA_sdna_from_data(DNAstr, DNAlen, 0);
188
189         wd->file= file;
190
191         wd->buf= MEM_mallocN(MYWRITE_BUFFER_SIZE, "wd->buf");
192
193         return wd;
194 }
195
196 static void writedata_do_write(WriteData *wd, void *mem, int memlen)
197 {
198         if ((wd == NULL) || wd->error || (mem == NULL) || memlen < 1) return;
199         if (wd->error) return;
200
201         /* memory based save */
202         if(wd->current) {
203                 add_memfilechunk(NULL, wd->current, mem, memlen);
204         }
205         else {
206                 if (write(wd->file, mem, memlen) != memlen)
207                         wd->error= 1;
208                 
209         }
210 }
211
212 static void writedata_free(WriteData *wd)
213 {
214         DNA_sdna_free(wd->sdna);
215
216         MEM_freeN(wd->buf);
217         MEM_freeN(wd);
218 }
219
220 /***/
221
222 /**
223  * Low level WRITE(2) wrapper that buffers data
224  * @param adr Pointer to new chunk of data
225  * @param len Length of new chunk of data
226  * @warning Talks to other functions with global parameters
227  */
228  
229 #define MYWRITE_FLUSH           NULL
230
231 static void mywrite( WriteData *wd, void *adr, int len)
232 {
233         if (wd->error) return;
234
235         /* flush helps compression for undo-save */
236         if(adr==MYWRITE_FLUSH) {
237                 if(wd->count) {
238                         writedata_do_write(wd, wd->buf, wd->count);
239                         wd->count= 0;
240                 }
241                 return;
242         }
243
244         wd->tot+= len;
245         
246         /* if we have a single big chunk, write existing data in
247          * buffer and write out big chunk in smaller pieces */
248         if(len>MYWRITE_MAX_CHUNK) {
249                 if(wd->count) {
250                         writedata_do_write(wd, wd->buf, wd->count);
251                         wd->count= 0;
252                 }
253
254                 do {
255                         int writelen= MIN2(len, MYWRITE_MAX_CHUNK);
256                         writedata_do_write(wd, adr, writelen);
257                         adr = (char*)adr + writelen;
258                         len -= writelen;
259                 } while(len > 0);
260
261                 return;
262         }
263
264         /* if data would overflow buffer, write out the buffer */
265         if(len+wd->count>MYWRITE_BUFFER_SIZE-1) {
266                 writedata_do_write(wd, wd->buf, wd->count);
267                 wd->count= 0;
268         }
269
270         /* append data at end of buffer */
271         memcpy(&wd->buf[wd->count], adr, len);
272         wd->count+= len;
273 }
274
275 /**
276  * BeGiN initializer for mywrite
277  * @param file File descriptor
278  * @param write_flags Write parameters
279  * @warning Talks to other functions with global parameters
280  */
281 static WriteData *bgnwrite(int file, MemFile *compare, MemFile *current)
282 {
283         WriteData *wd= writedata_new(file);
284
285         if (wd == NULL) return NULL;
286
287         wd->compare= compare;
288         wd->current= current;
289         /* this inits comparing */
290         add_memfilechunk(compare, NULL, NULL, 0);
291         
292         return wd;
293 }
294
295 /**
296  * END the mywrite wrapper
297  * @return 1 if write failed
298  * @return unknown global variable otherwise
299  * @warning Talks to other functions with global parameters
300  */
301 static int endwrite(WriteData *wd)
302 {
303         int err;
304
305         if (wd->count) {
306                 writedata_do_write(wd, wd->buf, wd->count);
307                 wd->count= 0;
308         }
309         
310         err= wd->error;
311         writedata_free(wd);
312
313         return err;
314 }
315
316 /* ********** WRITE FILE ****************** */
317
318 static void writestruct(WriteData *wd, int filecode, const char *structname, int nr, void *adr)
319 {
320         BHead bh;
321         short *sp;
322
323         if(adr==NULL || nr==0) return;
324
325         /* init BHead */
326         bh.code= filecode;
327         bh.old= adr;
328         bh.nr= nr;
329
330         bh.SDNAnr= DNA_struct_find_nr(wd->sdna, structname);
331         if(bh.SDNAnr== -1) {
332                 printf("error: can't find SDNA code <%s>\n", structname);
333                 return;
334         }
335         sp= wd->sdna->structs[bh.SDNAnr];
336
337         bh.len= nr*wd->sdna->typelens[sp[0]];
338
339         if(bh.len==0) return;
340
341         mywrite(wd, &bh, sizeof(BHead));
342         mywrite(wd, adr, bh.len);
343 }
344
345 static void writedata(WriteData *wd, int filecode, int len, void *adr)  /* do not use for structs */
346 {
347         BHead bh;
348
349         if(adr==NULL) return;
350         if(len==0) return;
351
352         len+= 3;
353         len-= ( len % 4);
354
355         /* init BHead */
356         bh.code= filecode;
357         bh.old= adr;
358         bh.nr= 1;
359         bh.SDNAnr= 0;
360         bh.len= len;
361
362         mywrite(wd, &bh, sizeof(BHead));
363         if(len) mywrite(wd, adr, len);
364 }
365
366 /* *************** writing some direct data structs used in more code parts **************** */
367 /*These functions are used by blender's .blend system for file saving/loading.*/
368 void IDP_WriteProperty_OnlyData(IDProperty *prop, void *wd);
369 void IDP_WriteProperty(IDProperty *prop, void *wd);
370
371 static void IDP_WriteArray(IDProperty *prop, void *wd)
372 {
373         /*REMEMBER to set totalen to len in the linking code!!*/
374         if (prop->data.pointer) {
375                 writedata(wd, DATA, MEM_allocN_len(prop->data.pointer), prop->data.pointer);
376
377                 if(prop->subtype == IDP_GROUP) {
378                         IDProperty **array= prop->data.pointer;
379                         int a;
380
381                         for(a=0; a<prop->len; a++)
382                                 IDP_WriteProperty(array[a], wd);
383                 }
384         }
385 }
386
387 static void IDP_WriteIDPArray(IDProperty *prop, void *wd)
388 {
389         /*REMEMBER to set totalen to len in the linking code!!*/
390         if (prop->data.pointer) {
391                 IDProperty *array = prop->data.pointer;
392                 int a;
393
394                 writestruct(wd, DATA, "IDProperty", prop->len, array);
395
396                 for(a=0; a<prop->len; a++)
397                         IDP_WriteProperty_OnlyData(&array[a], wd);
398         }
399 }
400
401 static void IDP_WriteString(IDProperty *prop, void *wd)
402 {
403         /*REMEMBER to set totalen to len in the linking code!!*/
404         writedata(wd, DATA, prop->len+1, prop->data.pointer);
405 }
406
407 static void IDP_WriteGroup(IDProperty *prop, void *wd)
408 {
409         IDProperty *loop;
410
411         for (loop=prop->data.group.first; loop; loop=loop->next) {
412                 IDP_WriteProperty(loop, wd);
413         }
414 }
415
416 /* Functions to read/write ID Properties */
417 void IDP_WriteProperty_OnlyData(IDProperty *prop, void *wd)
418 {
419         switch (prop->type) {
420                 case IDP_GROUP:
421                         IDP_WriteGroup(prop, wd);
422                         break;
423                 case IDP_STRING:
424                         IDP_WriteString(prop, wd);
425                         break;
426                 case IDP_ARRAY:
427                         IDP_WriteArray(prop, wd);
428                         break;
429                 case IDP_IDPARRAY:
430                         IDP_WriteIDPArray(prop, wd);
431                         break;
432         }
433 }
434
435 void IDP_WriteProperty(IDProperty *prop, void *wd)
436 {
437         writestruct(wd, DATA, "IDProperty", 1, prop);
438         IDP_WriteProperty_OnlyData(prop, wd);
439 }
440
441 static void write_fmodifiers(WriteData *wd, ListBase *fmodifiers)
442 {
443         FModifier *fcm;
444         
445         /* Modifiers */
446         for (fcm= fmodifiers->first; fcm; fcm= fcm->next) {
447                 FModifierTypeInfo *fmi= fmodifier_get_typeinfo(fcm);
448                 
449                 /* Write the specific data */
450                 if (fmi && fcm->data) {
451                         /* firstly, just write the plain fmi->data struct */
452                         writestruct(wd, DATA, fmi->structName, 1, fcm->data);
453                         
454                         /* do any modifier specific stuff */
455                         switch (fcm->type) {
456                                 case FMODIFIER_TYPE_GENERATOR:
457                                 {
458                                         FMod_Generator *data= (FMod_Generator *)fcm->data;
459                                         
460                                         /* write coefficients array */
461                                         if (data->coefficients)
462                                                 writedata(wd, DATA, sizeof(float)*(data->arraysize), data->coefficients);
463                                 }
464                                         break;
465                                 case FMODIFIER_TYPE_ENVELOPE:
466                                 {
467                                         FMod_Envelope *data= (FMod_Envelope *)fcm->data;
468                                         
469                                         /* write envelope data */
470                                         if (data->data)
471                                                 writestruct(wd, DATA, "FCM_EnvelopeData", data->totvert, data->data);
472                                 }
473                                         break;
474                                 case FMODIFIER_TYPE_PYTHON:
475                                 {
476                                         FMod_Python *data = (FMod_Python *)fcm->data;
477                                         
478                                         /* Write ID Properties -- and copy this comment EXACTLY for easy finding
479                                          of library blocks that implement this.*/
480                                         IDP_WriteProperty(data->prop, wd);
481                                 }
482                                         break;
483                         }
484                 }
485                 
486                 /* Write the modifier */
487                 writestruct(wd, DATA, "FModifier", 1, fcm);
488         }
489 }
490
491 static void write_fcurves(WriteData *wd, ListBase *fcurves)
492 {
493         FCurve *fcu;
494         
495         for (fcu=fcurves->first; fcu; fcu=fcu->next) {
496                 /* F-Curve */
497                 writestruct(wd, DATA, "FCurve", 1, fcu);
498                 
499                 /* curve data */
500                 if (fcu->bezt)          
501                         writestruct(wd, DATA, "BezTriple", fcu->totvert, fcu->bezt);
502                 if (fcu->fpt)
503                         writestruct(wd, DATA, "FPoint", fcu->totvert, fcu->fpt);
504                         
505                 if (fcu->rna_path)
506                         writedata(wd, DATA, strlen(fcu->rna_path)+1, fcu->rna_path);
507                 
508                 /* driver data */
509                 if (fcu->driver) {
510                         ChannelDriver *driver= fcu->driver;
511                         DriverVar *dvar;
512                         
513                         writestruct(wd, DATA, "ChannelDriver", 1, driver);
514                         
515                         /* variables */
516                         for (dvar= driver->variables.first; dvar; dvar= dvar->next) {
517                                 writestruct(wd, DATA, "DriverVar", 1, dvar);
518                                 
519                                 DRIVER_TARGETS_USED_LOOPER(dvar)
520                                 {
521                                         if (dtar->rna_path)
522                                                 writedata(wd, DATA, strlen(dtar->rna_path)+1, dtar->rna_path);
523                                 }
524                                 DRIVER_TARGETS_LOOPER_END
525                         }
526                 }
527                 
528                 /* write F-Modifiers */
529                 write_fmodifiers(wd, &fcu->modifiers);
530         }
531 }
532
533 static void write_actions(WriteData *wd, ListBase *idbase)
534 {
535         bAction *act;
536         bActionGroup *grp;
537         TimeMarker *marker;
538         
539         for(act=idbase->first; act; act= act->id.next) {
540                 if (act->id.us>0 || wd->current) {
541                         writestruct(wd, ID_AC, "bAction", 1, act);
542                         if (act->id.properties) IDP_WriteProperty(act->id.properties, wd);
543                         
544                         write_fcurves(wd, &act->curves);
545                         
546                         for (grp=act->groups.first; grp; grp=grp->next) {
547                                 writestruct(wd, DATA, "bActionGroup", 1, grp);
548                         }
549                         
550                         for (marker=act->markers.first; marker; marker=marker->next) {
551                                 writestruct(wd, DATA, "TimeMarker", 1, marker);
552                         }
553                 }
554         }
555         
556         /* flush helps the compression for undo-save */
557         mywrite(wd, MYWRITE_FLUSH, 0);
558 }
559
560 static void write_keyingsets(WriteData *wd, ListBase *list)
561 {
562         KeyingSet *ks;
563         KS_Path *ksp;
564         
565         for (ks= list->first; ks; ks= ks->next) {
566                 /* KeyingSet */
567                 writestruct(wd, DATA, "KeyingSet", 1, ks);
568                 
569                 /* Paths */
570                 for (ksp= ks->paths.first; ksp; ksp= ksp->next) {
571                         /* Path */
572                         writestruct(wd, DATA, "KS_Path", 1, ksp);
573                         
574                         if (ksp->rna_path)
575                                 writedata(wd, DATA, strlen(ksp->rna_path)+1, ksp->rna_path);
576                 }
577         }
578 }
579
580 static void write_nlastrips(WriteData *wd, ListBase *strips)
581 {
582         NlaStrip *strip;
583         
584         for (strip= strips->first; strip; strip= strip->next) {
585                 /* write the strip first */
586                 writestruct(wd, DATA, "NlaStrip", 1, strip);
587                 
588                 /* write the strip's F-Curves and modifiers */
589                 write_fcurves(wd, &strip->fcurves);
590                 write_fmodifiers(wd, &strip->modifiers);
591                 
592                 /* write the strip's children */
593                 write_nlastrips(wd, &strip->strips);
594         }
595 }
596
597 static void write_nladata(WriteData *wd, ListBase *nlabase)
598 {
599         NlaTrack *nlt;
600         
601         /* write all the tracks */
602         for (nlt= nlabase->first; nlt; nlt= nlt->next) {
603                 /* write the track first */
604                 writestruct(wd, DATA, "NlaTrack", 1, nlt);
605                 
606                 /* write the track's strips */
607                 write_nlastrips(wd, &nlt->strips);
608         }
609 }
610
611 static void write_animdata(WriteData *wd, AnimData *adt)
612 {
613         AnimOverride *aor;
614         
615         /* firstly, just write the AnimData block */
616         writestruct(wd, DATA, "AnimData", 1, adt);
617         
618         /* write drivers */
619         write_fcurves(wd, &adt->drivers);
620         
621         /* write overrides */
622         // FIXME: are these needed?
623         for (aor= adt->overrides.first; aor; aor= aor->next) {
624                 /* overrides consist of base data + rna_path */
625                 writestruct(wd, DATA, "AnimOverride", 1, aor);
626                 writedata(wd, DATA, strlen(aor->rna_path)+1, aor->rna_path);
627         }
628         
629         // TODO write the remaps (if they are needed)
630         
631         /* write NLA data */
632         write_nladata(wd, &adt->nla_tracks);
633 }
634
635 static void write_curvemapping(WriteData *wd, CurveMapping *cumap)
636 {
637         int a;
638         
639         writestruct(wd, DATA, "CurveMapping", 1, cumap);
640         for(a=0; a<CM_TOT; a++)
641                 writestruct(wd, DATA, "CurveMapPoint", cumap->cm[a].totpoint, cumap->cm[a].curve);
642 }
643
644 /* this is only direct data, tree itself should have been written */
645 static void write_nodetree(WriteData *wd, bNodeTree *ntree)
646 {
647         bNode *node;
648         bNodeSocket *sock;
649         bNodeLink *link;
650         
651         /* for link_list() speed, we write per list */
652         
653         if(ntree->adt) write_animdata(wd, ntree->adt);
654         
655         for(node= ntree->nodes.first; node; node= node->next)
656                 writestruct(wd, DATA, "bNode", 1, node);
657
658         for(node= ntree->nodes.first; node; node= node->next) {
659                 if(node->storage && node->type!=NODE_DYNAMIC) {
660                         /* could be handlerized at some point, now only 1 exception still */
661                         if(ntree->type==NTREE_SHADER && (node->type==SH_NODE_CURVE_VEC || node->type==SH_NODE_CURVE_RGB))
662                                 write_curvemapping(wd, node->storage);
663                         else if(ntree->type==NTREE_COMPOSIT && ELEM4(node->type, CMP_NODE_TIME, CMP_NODE_CURVE_VEC, CMP_NODE_CURVE_RGB, CMP_NODE_HUECORRECT))
664                                 write_curvemapping(wd, node->storage);
665                         else if(ntree->type==NTREE_TEXTURE && (node->type==TEX_NODE_CURVE_RGB || node->type==TEX_NODE_CURVE_TIME) )
666                                 write_curvemapping(wd, node->storage);
667                         else 
668                                 writestruct(wd, DATA, node->typeinfo->storagename, 1, node->storage);
669                 }
670                 for(sock= node->inputs.first; sock; sock= sock->next)
671                         writestruct(wd, DATA, "bNodeSocket", 1, sock);
672                 for(sock= node->outputs.first; sock; sock= sock->next)
673                         writestruct(wd, DATA, "bNodeSocket", 1, sock);
674         }
675         
676         for(link= ntree->links.first; link; link= link->next)
677                 writestruct(wd, DATA, "bNodeLink", 1, link);
678         
679         /* external sockets */
680         for(sock= ntree->inputs.first; sock; sock= sock->next)
681                 writestruct(wd, DATA, "bNodeSocket", 1, sock);
682         for(sock= ntree->outputs.first; sock; sock= sock->next)
683                 writestruct(wd, DATA, "bNodeSocket", 1, sock);
684 }
685
686 static void current_screen_compat(Main *mainvar, bScreen **screen)
687 {
688         wmWindowManager *wm;
689         wmWindow *window;
690
691         /* find a global current screen in the first open window, to have
692          * a reasonable default for reading in older versions */
693         wm= mainvar->wm.first;
694         window= (wm)? wm->windows.first: NULL;
695         *screen= (window)? window->screen: NULL;
696 }
697
698 static void write_renderinfo(WriteData *wd, Main *mainvar)              /* for renderdeamon */
699 {
700         bScreen *curscreen;
701         Scene *sce;
702         int data[8];
703
704         /* XXX in future, handle multiple windows with multiple screnes? */
705         current_screen_compat(mainvar, &curscreen);
706
707         for(sce= mainvar->scene.first; sce; sce= sce->id.next) {
708                 if(sce->id.lib==NULL  && ( sce==curscreen->scene || (sce->r.scemode & R_BG_RENDER)) ) {
709                         data[0]= sce->r.sfra;
710                         data[1]= sce->r.efra;
711
712                         memset(data+2, 0, sizeof(int)*6);
713                         BLI_strncpy((char *)(data+2), sce->id.name+2, sizeof(sce->id.name)-2);
714
715                         writedata(wd, REND, 32, data);
716                 }
717         }
718 }
719
720 static void write_userdef(WriteData *wd)
721 {
722         bTheme *btheme;
723         wmKeyMap *keymap;
724         wmKeyMapItem *kmi;
725         bAddon *bext;
726         uiStyle *style;
727         
728         writestruct(wd, USER, "UserDef", 1, &U);
729
730         for(btheme= U.themes.first; btheme; btheme=btheme->next)
731                 writestruct(wd, DATA, "bTheme", 1, btheme);
732
733         for(keymap= U.keymaps.first; keymap; keymap=keymap->next) {
734                 writestruct(wd, DATA, "wmKeyMap", 1, keymap);
735
736                 for(kmi=keymap->items.first; kmi; kmi=kmi->next) {
737                         writestruct(wd, DATA, "wmKeyMapItem", 1, kmi);
738
739                         if(kmi->properties)
740                                 IDP_WriteProperty(kmi->properties, wd);
741                 }
742         }
743
744         for(bext= U.addons.first; bext; bext=bext->next)
745                 writestruct(wd, DATA, "bAddon", 1, bext);
746         
747         for(style= U.uistyles.first; style; style= style->next) {
748                 writestruct(wd, DATA, "uiStyle", 1, style);
749         }
750 }
751
752 static void write_boid_state(WriteData *wd, BoidState *state)
753 {
754         BoidRule *rule = state->rules.first;
755         //BoidCondition *cond = state->conditions.first;
756
757         writestruct(wd, DATA, "BoidState", 1, state);
758
759         for(; rule; rule=rule->next) {
760                 switch(rule->type) {
761                         case eBoidRuleType_Goal:
762                         case eBoidRuleType_Avoid:
763                                 writestruct(wd, DATA, "BoidRuleGoalAvoid", 1, rule);
764                                 break;
765                         case eBoidRuleType_AvoidCollision:
766                                 writestruct(wd, DATA, "BoidRuleAvoidCollision", 1, rule);
767                                 break;
768                         case eBoidRuleType_FollowLeader:
769                                 writestruct(wd, DATA, "BoidRuleFollowLeader", 1, rule);
770                                 break;
771                         case eBoidRuleType_AverageSpeed:
772                                 writestruct(wd, DATA, "BoidRuleAverageSpeed", 1, rule);
773                                 break;
774                         case eBoidRuleType_Fight:
775                                 writestruct(wd, DATA, "BoidRuleFight", 1, rule);
776                                 break;
777                         default:
778                                 writestruct(wd, DATA, "BoidRule", 1, rule);
779                                 break;
780                 }
781         }
782         //for(; cond; cond=cond->next)
783         //      writestruct(wd, DATA, "BoidCondition", 1, cond);
784 }
785
786 /* update this also to readfile.c */
787 static const char *ptcache_data_struct[] = {
788         "", // BPHYS_DATA_INDEX
789         "", // BPHYS_DATA_LOCATION
790         "", // BPHYS_DATA_VELOCITY
791         "", // BPHYS_DATA_ROTATION
792         "", // BPHYS_DATA_AVELOCITY / BPHYS_DATA_XCONST */
793         "", // BPHYS_DATA_SIZE:
794         "", // BPHYS_DATA_TIMES:        
795         "BoidData" // case BPHYS_DATA_BOIDS:
796 };
797 static const char *ptcache_extra_struct[] = {
798         "",
799         "ParticleSpring"
800 };
801 static void write_pointcaches(WriteData *wd, ListBase *ptcaches)
802 {
803         PointCache *cache = ptcaches->first;
804         int i;
805
806         for(; cache; cache=cache->next) {
807                 writestruct(wd, DATA, "PointCache", 1, cache);
808
809                 if((cache->flag & PTCACHE_DISK_CACHE)==0) {
810                         PTCacheMem *pm = cache->mem_cache.first;
811
812                         for(; pm; pm=pm->next) {
813                                 PTCacheExtra *extra = pm->extradata.first;
814
815                                 writestruct(wd, DATA, "PTCacheMem", 1, pm);
816                                 
817                                 for(i=0; i<BPHYS_TOT_DATA; i++) {
818                                         if(pm->data[i] && pm->data_types & (1<<i)) {
819                                                 if(strcmp(ptcache_data_struct[i], "")==0)
820                                                         writedata(wd, DATA, MEM_allocN_len(pm->data[i]), pm->data[i]);
821                                                 else
822                                                         writestruct(wd, DATA, ptcache_data_struct[i], pm->totpoint, pm->data[i]);
823                                         }
824                                 }
825
826                                 for(; extra; extra=extra->next) {
827                                         if(strcmp(ptcache_extra_struct[extra->type], "")==0)
828                                                 continue;
829                                         writestruct(wd, DATA, "PTCacheExtra", 1, extra);
830                                         writestruct(wd, DATA, ptcache_extra_struct[extra->type], extra->totdata, extra->data);
831                                 }
832                         }
833                 }
834         }
835 }
836 static void write_particlesettings(WriteData *wd, ListBase *idbase)
837 {
838         ParticleSettings *part;
839         ParticleDupliWeight *dw;
840         GroupObject *go;
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                                 /* update indices */
857                                 dw->index = 0;
858                                 go = part->dup_group->gobject.first;
859                                 while(go && go->ob != dw->ob) {
860                                         go=go->next;
861                                         dw->index++;
862                                 }
863                                 writestruct(wd, DATA, "ParticleDupliWeight", 1, dw);
864                         }
865
866                         if(part->boids && part->phystype == PART_PHYS_BOIDS) {
867                                 BoidState *state = part->boids->states.first;
868
869                                 writestruct(wd, DATA, "BoidSettings", 1, part->boids);
870
871                                 for(; state; state=state->next)
872                                         write_boid_state(wd, state);
873                         }
874                         if(part->fluid && part->phystype == PART_PHYS_FLUID){
875                                 writestruct(wd, DATA, "SPHFluidSettings", 1, part->fluid); 
876                         }
877
878                         for(a=0; a<MAX_MTEX; a++) {
879                                 if(part->mtex[a]) writestruct(wd, DATA, "MTex", 1, part->mtex[a]);
880                         }
881                 }
882                 part= part->id.next;
883         }
884 }
885 static void write_particlesystems(WriteData *wd, ListBase *particles)
886 {
887         ParticleSystem *psys= particles->first;
888         ParticleTarget *pt;
889         int a;
890
891         for(; psys; psys=psys->next) {
892                 writestruct(wd, DATA, "ParticleSystem", 1, psys);
893
894                 if(psys->particles) {
895                         writestruct(wd, DATA, "ParticleData", psys->totpart ,psys->particles);
896
897                         if(psys->particles->hair) {
898                                 ParticleData *pa = psys->particles;
899
900                                 for(a=0; a<psys->totpart; a++, pa++)
901                                         writestruct(wd, DATA, "HairKey", pa->totkey, pa->hair);
902                         }
903
904                         if(psys->particles->boid && psys->part->phystype == PART_PHYS_BOIDS)
905                                 writestruct(wd, DATA, "BoidParticle", psys->totpart, psys->particles->boid);
906
907                         if(psys->part->fluid && psys->part->phystype == PART_PHYS_FLUID && (psys->part->fluid->flag & SPH_VISCOELASTIC_SPRINGS))
908                                 writestruct(wd, DATA, "ParticleSpring", psys->tot_fluidsprings, psys->fluid_springs);
909                 }
910                 pt = psys->targets.first;
911                 for(; pt; pt=pt->next)
912                         writestruct(wd, DATA, "ParticleTarget", 1, pt);
913
914                 if(psys->child) writestruct(wd, DATA, "ChildParticle", psys->totchild ,psys->child);
915
916                 if(psys->clmd) {
917                         writestruct(wd, DATA, "ClothModifierData", 1, psys->clmd);
918                         writestruct(wd, DATA, "ClothSimSettings", 1, psys->clmd->sim_parms);
919                         writestruct(wd, DATA, "ClothCollSettings", 1, psys->clmd->coll_parms);
920                 }
921                 
922                 write_pointcaches(wd, &psys->ptcaches);
923         }
924 }
925
926 static void write_properties(WriteData *wd, ListBase *lb)
927 {
928         bProperty *prop;
929
930         prop= lb->first;
931         while(prop) {
932                 writestruct(wd, DATA, "bProperty", 1, prop);
933
934                 if(prop->poin && prop->poin != &prop->data)
935                         writedata(wd, DATA, MEM_allocN_len(prop->poin), prop->poin);
936
937                 prop= prop->next;
938         }
939 }
940
941 static void write_sensors(WriteData *wd, ListBase *lb)
942 {
943         bSensor *sens;
944
945         sens= lb->first;
946         while(sens) {
947                 writestruct(wd, DATA, "bSensor", 1, sens);
948
949                 writedata(wd, DATA, sizeof(void *)*sens->totlinks, sens->links);
950
951                 switch(sens->type) {
952                 case SENS_NEAR:
953                         writestruct(wd, DATA, "bNearSensor", 1, sens->data);
954                         break;
955                 case SENS_MOUSE:
956                         writestruct(wd, DATA, "bMouseSensor", 1, sens->data);
957                         break;
958                 case SENS_TOUCH:
959                         writestruct(wd, DATA, "bTouchSensor", 1, sens->data);
960                         break;
961                 case SENS_KEYBOARD:
962                         writestruct(wd, DATA, "bKeyboardSensor", 1, sens->data);
963                         break;
964                 case SENS_PROPERTY:
965                         writestruct(wd, DATA, "bPropertySensor", 1, sens->data);
966                         break;
967                 case SENS_ARMATURE:
968                         writestruct(wd, DATA, "bArmatureSensor", 1, sens->data);
969                         break;
970                 case SENS_ACTUATOR:
971                         writestruct(wd, DATA, "bActuatorSensor", 1, sens->data);
972                         break;
973                 case SENS_DELAY:
974                         writestruct(wd, DATA, "bDelaySensor", 1, sens->data);
975                         break;
976                 case SENS_COLLISION:
977                         writestruct(wd, DATA, "bCollisionSensor", 1, sens->data);
978                         break;
979                 case SENS_RADAR:
980                         writestruct(wd, DATA, "bRadarSensor", 1, sens->data);
981                         break;
982                 case SENS_RANDOM:
983                         writestruct(wd, DATA, "bRandomSensor", 1, sens->data);
984                         break;
985                 case SENS_RAY:
986                         writestruct(wd, DATA, "bRaySensor", 1, sens->data);
987                         break;
988                 case SENS_MESSAGE:
989                         writestruct(wd, DATA, "bMessageSensor", 1, sens->data);
990                         break;
991                 case SENS_JOYSTICK:
992                         writestruct(wd, DATA, "bJoystickSensor", 1, sens->data);
993                         break;
994                 default:
995                         ; /* error: don't know how to write this file */
996                 }
997
998                 sens= sens->next;
999         }
1000 }
1001
1002 static void write_controllers(WriteData *wd, ListBase *lb)
1003 {
1004         bController *cont;
1005
1006         cont= lb->first;
1007         while(cont) {
1008                 writestruct(wd, DATA, "bController", 1, cont);
1009
1010                 writedata(wd, DATA, sizeof(void *)*cont->totlinks, cont->links);
1011
1012                 switch(cont->type) {
1013                 case CONT_EXPRESSION:
1014                         writestruct(wd, DATA, "bExpressionCont", 1, cont->data);
1015                         break;
1016                 case CONT_PYTHON:
1017                         writestruct(wd, DATA, "bPythonCont", 1, cont->data);
1018                         break;
1019                 default:
1020                         ; /* error: don't know how to write this file */
1021                 }
1022
1023                 cont= cont->next;
1024         }
1025 }
1026
1027 static void write_actuators(WriteData *wd, ListBase *lb)
1028 {
1029         bActuator *act;
1030
1031         act= lb->first;
1032         while(act) {
1033                 writestruct(wd, DATA, "bActuator", 1, act);
1034
1035                 switch(act->type) {
1036                 case ACT_ACTION:
1037                 case ACT_SHAPEACTION:
1038                         writestruct(wd, DATA, "bActionActuator", 1, act->data);
1039                         break;
1040                 case ACT_SOUND:
1041                         writestruct(wd, DATA, "bSoundActuator", 1, act->data);
1042                         break;
1043                 case ACT_OBJECT:
1044                         writestruct(wd, DATA, "bObjectActuator", 1, act->data);
1045                         break;
1046                 case ACT_IPO:
1047                         writestruct(wd, DATA, "bIpoActuator", 1, act->data);
1048                         break;
1049                 case ACT_PROPERTY:
1050                         writestruct(wd, DATA, "bPropertyActuator", 1, act->data);
1051                         break;
1052                 case ACT_CAMERA:
1053                         writestruct(wd, DATA, "bCameraActuator", 1, act->data);
1054                         break;
1055                 case ACT_CONSTRAINT:
1056                         writestruct(wd, DATA, "bConstraintActuator", 1, act->data);
1057                         break;
1058                 case ACT_EDIT_OBJECT:
1059                         writestruct(wd, DATA, "bEditObjectActuator", 1, act->data);
1060                         break;
1061                 case ACT_SCENE:
1062                         writestruct(wd, DATA, "bSceneActuator", 1, act->data);
1063                         break;
1064                 case ACT_GROUP:
1065                         writestruct(wd, DATA, "bGroupActuator", 1, act->data);
1066                         break;
1067                 case ACT_RANDOM:
1068                         writestruct(wd, DATA, "bRandomActuator", 1, act->data);
1069                         break;
1070                 case ACT_MESSAGE:
1071                         writestruct(wd, DATA, "bMessageActuator", 1, act->data);
1072                         break;
1073                 case ACT_GAME:
1074                         writestruct(wd, DATA, "bGameActuator", 1, act->data);
1075                         break;
1076                 case ACT_VISIBILITY:
1077                         writestruct(wd, DATA, "bVisibilityActuator", 1, act->data);
1078                         break;
1079                 case ACT_2DFILTER:
1080                         writestruct(wd, DATA, "bTwoDFilterActuator", 1, act->data);
1081                         break;
1082                 case ACT_PARENT:
1083                         writestruct(wd, DATA, "bParentActuator", 1, act->data);
1084                         break;
1085                 case ACT_STATE:
1086                         writestruct(wd, DATA, "bStateActuator", 1, act->data);
1087                         break;
1088                 case ACT_ARMATURE:
1089                         writestruct(wd, DATA, "bArmatureActuator", 1, act->data);
1090                         break;
1091                 default:
1092                         ; /* error: don't know how to write this file */
1093                 }
1094
1095                 act= act->next;
1096         }
1097 }
1098
1099 static void write_motionpath(WriteData *wd, bMotionPath *mpath)
1100 {
1101         /* sanity checks */
1102         if (mpath == NULL)
1103                 return;
1104         
1105         /* firstly, just write the motionpath struct */
1106         writestruct(wd, DATA, "bMotionPath", 1, mpath);
1107         
1108         /* now write the array of data */
1109         writestruct(wd, DATA, "bMotionPathVert", mpath->length, mpath->points);
1110 }
1111
1112 static void write_constraints(WriteData *wd, ListBase *conlist)
1113 {
1114         bConstraint *con;
1115
1116         for (con=conlist->first; con; con=con->next) {
1117                 bConstraintTypeInfo *cti= constraint_get_typeinfo(con);
1118                 
1119                 /* Write the specific data */
1120                 if (cti && con->data) {
1121                         /* firstly, just write the plain con->data struct */
1122                         writestruct(wd, DATA, cti->structName, 1, con->data);
1123                         
1124                         /* do any constraint specific stuff */
1125                         switch (con->type) {
1126                                 case CONSTRAINT_TYPE_PYTHON:
1127                                 {
1128                                         bPythonConstraint *data = (bPythonConstraint *)con->data;
1129                                         bConstraintTarget *ct;
1130                                         
1131                                         /* write targets */
1132                                         for (ct= data->targets.first; ct; ct= ct->next)
1133                                                 writestruct(wd, DATA, "bConstraintTarget", 1, ct);
1134                                         
1135                                         /* Write ID Properties -- and copy this comment EXACTLY for easy finding
1136                                          of library blocks that implement this.*/
1137                                         IDP_WriteProperty(data->prop, wd);
1138                                 }
1139                                         break;
1140                                 case CONSTRAINT_TYPE_SPLINEIK: 
1141                                 {
1142                                         bSplineIKConstraint *data= (bSplineIKConstraint*)con->data;
1143                                         
1144                                         /* write points array */
1145                                         writedata(wd, DATA, sizeof(float)*(data->numpoints), data->points);
1146                                 }
1147                                         break;
1148                         }
1149                 }
1150                 
1151                 /* Write the constraint */
1152                 writestruct(wd, DATA, "bConstraint", 1, con);
1153         }
1154 }
1155
1156 static void write_pose(WriteData *wd, bPose *pose)
1157 {
1158         bPoseChannel *chan;
1159         bActionGroup *grp;
1160
1161         /* Write each channel */
1162         if (!pose)
1163                 return;
1164
1165         /* Write channels */
1166         for (chan=pose->chanbase.first; chan; chan=chan->next) {
1167                 /* Write ID Properties -- and copy this comment EXACTLY for easy finding
1168                  of library blocks that implement this.*/
1169                 if (chan->prop)
1170                         IDP_WriteProperty(chan->prop, wd);
1171                 
1172                 write_constraints(wd, &chan->constraints);
1173                 
1174                 write_motionpath(wd, chan->mpath);
1175                 
1176                 /* prevent crashes with autosave, when a bone duplicated in editmode has not yet been assigned to its posechannel */
1177                 if (chan->bone) 
1178                         chan->selectflag= chan->bone->flag & BONE_SELECTED; /* gets restored on read, for library armatures */
1179                 
1180                 writestruct(wd, DATA, "bPoseChannel", 1, chan);
1181         }
1182         
1183         /* Write groups */
1184         for (grp=pose->agroups.first; grp; grp=grp->next) 
1185                 writestruct(wd, DATA, "bActionGroup", 1, grp);
1186
1187         /* write IK param */
1188         if (pose->ikparam) {
1189                 char *structname = (char *)get_ikparam_name(pose);
1190                 if (structname)
1191                         writestruct(wd, DATA, structname, 1, pose->ikparam);
1192         }
1193
1194         /* Write this pose */
1195         writestruct(wd, DATA, "bPose", 1, pose);
1196
1197 }
1198
1199 static void write_defgroups(WriteData *wd, ListBase *defbase)
1200 {
1201         bDeformGroup    *defgroup;
1202
1203         for (defgroup=defbase->first; defgroup; defgroup=defgroup->next)
1204                 writestruct(wd, DATA, "bDeformGroup", 1, defgroup);
1205 }
1206
1207 static void write_modifiers(WriteData *wd, ListBase *modbase)
1208 {
1209         ModifierData *md;
1210
1211         if (modbase == NULL) return;
1212         for (md=modbase->first; md; md= md->next) {
1213                 ModifierTypeInfo *mti = modifierType_getInfo(md->type);
1214                 if (mti == NULL) return;
1215                 
1216                 writestruct(wd, DATA, mti->structName, 1, md);
1217                         
1218                 if (md->type==eModifierType_Hook) {
1219                         HookModifierData *hmd = (HookModifierData*) md;
1220                         
1221                         writedata(wd, DATA, sizeof(int)*hmd->totindex, hmd->indexar);
1222                 }
1223                 else if(md->type==eModifierType_Cloth) {
1224                         ClothModifierData *clmd = (ClothModifierData*) md;
1225                         
1226                         writestruct(wd, DATA, "ClothSimSettings", 1, clmd->sim_parms);
1227                         writestruct(wd, DATA, "ClothCollSettings", 1, clmd->coll_parms);
1228                         writestruct(wd, DATA, "EffectorWeights", 1, clmd->sim_parms->effector_weights);
1229                         write_pointcaches(wd, &clmd->ptcaches);
1230                 } 
1231                 else if(md->type==eModifierType_Smoke) {
1232                         SmokeModifierData *smd = (SmokeModifierData*) md;
1233                         
1234                         if(smd->type & MOD_SMOKE_TYPE_DOMAIN)
1235                         {
1236                                 if(smd->domain)
1237                                 {
1238                                         write_pointcaches(wd, &(smd->domain->ptcaches[0]));
1239
1240                                         /* create fake pointcache so that old blender versions can read it */
1241                                         smd->domain->point_cache[1] = BKE_ptcache_add(&smd->domain->ptcaches[1]);
1242                                         smd->domain->point_cache[1]->flag |= PTCACHE_DISK_CACHE|PTCACHE_FAKE_SMOKE;
1243                                         smd->domain->point_cache[1]->step = 1;
1244
1245                                         write_pointcaches(wd, &(smd->domain->ptcaches[1]));
1246                                 }
1247                                 
1248                                 writestruct(wd, DATA, "SmokeDomainSettings", 1, smd->domain);
1249
1250                                 if(smd->domain) {
1251                                         /* cleanup the fake pointcache */
1252                                         BKE_ptcache_free_list(&smd->domain->ptcaches[1]);
1253                                         smd->domain->point_cache[1] = NULL;
1254                                         
1255                                         writestruct(wd, DATA, "EffectorWeights", 1, smd->domain->effector_weights);
1256                                 }
1257                         }
1258                         else if(smd->type & MOD_SMOKE_TYPE_FLOW)
1259                                 writestruct(wd, DATA, "SmokeFlowSettings", 1, smd->flow);
1260                         else if(smd->type & MOD_SMOKE_TYPE_COLL)
1261                                 writestruct(wd, DATA, "SmokeCollSettings", 1, smd->coll);
1262                 } 
1263                 else if(md->type==eModifierType_Fluidsim) {
1264                         FluidsimModifierData *fluidmd = (FluidsimModifierData*) md;
1265                         
1266                         writestruct(wd, DATA, "FluidsimSettings", 1, fluidmd->fss);
1267                 } 
1268                 else if (md->type==eModifierType_Collision) {
1269                         
1270                         /*
1271                         CollisionModifierData *collmd = (CollisionModifierData*) md;
1272                         // TODO: CollisionModifier should use pointcache 
1273                         // + have proper reset events before enabling this
1274                         writestruct(wd, DATA, "MVert", collmd->numverts, collmd->x);
1275                         writestruct(wd, DATA, "MVert", collmd->numverts, collmd->xnew);
1276                         writestruct(wd, DATA, "MFace", collmd->numfaces, collmd->mfaces);
1277                         */
1278                 }
1279                 else if (md->type==eModifierType_MeshDeform) {
1280                         MeshDeformModifierData *mmd = (MeshDeformModifierData*) md;
1281                         int size = mmd->dyngridsize;
1282
1283                         writestruct(wd, DATA, "MDefInfluence", mmd->totinfluence, mmd->bindinfluences);
1284                         writedata(wd, DATA, sizeof(int)*(mmd->totvert+1), mmd->bindoffsets);
1285                         writedata(wd, DATA, sizeof(float)*3*mmd->totcagevert,
1286                                 mmd->bindcagecos);
1287                         writestruct(wd, DATA, "MDefCell", size*size*size, mmd->dyngrid);
1288                         writestruct(wd, DATA, "MDefInfluence", mmd->totinfluence, mmd->dyninfluences);
1289                         writedata(wd, DATA, sizeof(int)*mmd->totvert, mmd->dynverts);
1290                 }
1291                 else if (md->type==eModifierType_Warp) {
1292                         WarpModifierData *tmd = (WarpModifierData*) md;
1293                         if(tmd->curfalloff) {
1294                                 write_curvemapping(wd, tmd->curfalloff);
1295                         }
1296                 }
1297         }
1298 }
1299
1300 static void write_objects(WriteData *wd, ListBase *idbase)
1301 {
1302         Object *ob;
1303         
1304         ob= idbase->first;
1305         while(ob) {
1306                 if(ob->id.us>0 || wd->current) {
1307                         /* write LibData */
1308                         writestruct(wd, ID_OB, "Object", 1, ob);
1309                         
1310                         /*Write ID Properties -- and copy this comment EXACTLY for easy finding
1311                           of library blocks that implement this.*/
1312                         if (ob->id.properties) IDP_WriteProperty(ob->id.properties, wd);
1313                         
1314                         if (ob->adt) write_animdata(wd, ob->adt);
1315                         
1316                         /* direct data */
1317                         writedata(wd, DATA, sizeof(void *)*ob->totcol, ob->mat);
1318                         writedata(wd, DATA, sizeof(char)*ob->totcol, ob->matbits);
1319                         /* write_effects(wd, &ob->effect); */ /* not used anymore */
1320                         write_properties(wd, &ob->prop);
1321                         write_sensors(wd, &ob->sensors);
1322                         write_controllers(wd, &ob->controllers);
1323                         write_actuators(wd, &ob->actuators);
1324
1325                         if (ob->type == OB_ARMATURE) {
1326                                 bArmature *arm = ob->data;
1327                                 if (arm && ob->pose && arm->act_bone) {
1328                                         BLI_strncpy(ob->pose->proxy_act_bone, arm->act_bone->name, sizeof(ob->pose->proxy_act_bone));
1329                                 }
1330                         }
1331
1332                         write_pose(wd, ob->pose);
1333                         write_defgroups(wd, &ob->defbase);
1334                         write_constraints(wd, &ob->constraints);
1335                         write_motionpath(wd, ob->mpath);
1336                         
1337                         writestruct(wd, DATA, "PartDeflect", 1, ob->pd);
1338                         writestruct(wd, DATA, "SoftBody", 1, ob->soft);
1339                         if(ob->soft) {
1340                                 write_pointcaches(wd, &ob->soft->ptcaches);
1341                                 writestruct(wd, DATA, "EffectorWeights", 1, ob->soft->effector_weights);
1342                         }
1343                         writestruct(wd, DATA, "BulletSoftBody", 1, ob->bsoft);
1344                         
1345                         write_particlesystems(wd, &ob->particlesystem);
1346                         write_modifiers(wd, &ob->modifiers);
1347                 }
1348                 ob= ob->id.next;
1349         }
1350
1351         /* flush helps the compression for undo-save */
1352         mywrite(wd, MYWRITE_FLUSH, 0);
1353 }
1354
1355
1356 static void write_vfonts(WriteData *wd, ListBase *idbase)
1357 {
1358         VFont *vf;
1359         PackedFile * pf;
1360
1361         vf= idbase->first;
1362         while(vf) {
1363                 if(vf->id.us>0 || wd->current) {
1364                         /* write LibData */
1365                         writestruct(wd, ID_VF, "VFont", 1, vf);
1366                         if (vf->id.properties) IDP_WriteProperty(vf->id.properties, wd);
1367
1368                         /* direct data */
1369
1370                         if (vf->packedfile) {
1371                                 pf = vf->packedfile;
1372                                 writestruct(wd, DATA, "PackedFile", 1, pf);
1373                                 writedata(wd, DATA, pf->size, pf->data);
1374                         }
1375                 }
1376
1377                 vf= vf->id.next;
1378         }
1379 }
1380
1381
1382 static void write_keys(WriteData *wd, ListBase *idbase)
1383 {
1384         Key *key;
1385         KeyBlock *kb;
1386
1387         key= idbase->first;
1388         while(key) {
1389                 if(key->id.us>0 || wd->current) {
1390                         /* write LibData */
1391                         writestruct(wd, ID_KE, "Key", 1, key);
1392                         if (key->id.properties) IDP_WriteProperty(key->id.properties, wd);
1393                         
1394                         if (key->adt) write_animdata(wd, key->adt);
1395                         
1396                         /* direct data */
1397                         kb= key->block.first;
1398                         while(kb) {
1399                                 writestruct(wd, DATA, "KeyBlock", 1, kb);
1400                                 if(kb->data) writedata(wd, DATA, kb->totelem*key->elemsize, kb->data);
1401                                 kb= kb->next;
1402                         }
1403                 }
1404
1405                 key= key->id.next;
1406         }
1407         /* flush helps the compression for undo-save */
1408         mywrite(wd, MYWRITE_FLUSH, 0);
1409 }
1410
1411 static void write_cameras(WriteData *wd, ListBase *idbase)
1412 {
1413         Camera *cam;
1414
1415         cam= idbase->first;
1416         while(cam) {
1417                 if(cam->id.us>0 || wd->current) {
1418                         /* write LibData */
1419                         writestruct(wd, ID_CA, "Camera", 1, cam);
1420                         if (cam->id.properties) IDP_WriteProperty(cam->id.properties, wd);
1421                         
1422                         if (cam->adt) write_animdata(wd, cam->adt);
1423                 }
1424
1425                 cam= cam->id.next;
1426         }
1427 }
1428
1429 static void write_mballs(WriteData *wd, ListBase *idbase)
1430 {
1431         MetaBall *mb;
1432         MetaElem *ml;
1433
1434         mb= idbase->first;
1435         while(mb) {
1436                 if(mb->id.us>0 || wd->current) {
1437                         /* write LibData */
1438                         writestruct(wd, ID_MB, "MetaBall", 1, mb);
1439                         if (mb->id.properties) IDP_WriteProperty(mb->id.properties, wd);
1440
1441                         /* direct data */
1442                         writedata(wd, DATA, sizeof(void *)*mb->totcol, mb->mat);
1443                         if (mb->adt) write_animdata(wd, mb->adt);
1444
1445                         ml= mb->elems.first;
1446                         while(ml) {
1447                                 writestruct(wd, DATA, "MetaElem", 1, ml);
1448                                 ml= ml->next;
1449                         }
1450                 }
1451                 mb= mb->id.next;
1452         }
1453 }
1454
1455 static int amount_of_chars(char *str)
1456 {
1457         // Since the data is saved as UTF-8 to the cu->str
1458         // The cu->len is not same as the strlen(cu->str)
1459         return strlen(str);
1460 }
1461
1462 static void write_curves(WriteData *wd, ListBase *idbase)
1463 {
1464         Curve *cu;
1465         Nurb *nu;
1466
1467         cu= idbase->first;
1468         while(cu) {
1469                 if(cu->id.us>0 || wd->current) {
1470                         /* write LibData */
1471                         writestruct(wd, ID_CU, "Curve", 1, cu);
1472                         
1473                         /* direct data */
1474                         writedata(wd, DATA, sizeof(void *)*cu->totcol, cu->mat);
1475                         if (cu->id.properties) IDP_WriteProperty(cu->id.properties, wd);
1476                         if (cu->adt) write_animdata(wd, cu->adt);
1477                         
1478                         if(cu->vfont) {
1479                                 writedata(wd, DATA, amount_of_chars(cu->str)+1, cu->str);
1480                                 writestruct(wd, DATA, "CharInfo", cu->len+1, cu->strinfo);
1481                                 writestruct(wd, DATA, "TextBox", cu->totbox, cu->tb);                           
1482                         }
1483                         else {
1484                                 /* is also the order of reading */
1485                                 nu= cu->nurb.first;
1486                                 while(nu) {
1487                                         writestruct(wd, DATA, "Nurb", 1, nu);
1488                                         nu= nu->next;
1489                                 }
1490                                 nu= cu->nurb.first;
1491                                 while(nu) {
1492                                         if(nu->type == CU_BEZIER)
1493                                                 writestruct(wd, DATA, "BezTriple", nu->pntsu, nu->bezt);
1494                                         else {
1495                                                 writestruct(wd, DATA, "BPoint", nu->pntsu*nu->pntsv, nu->bp);
1496                                                 if(nu->knotsu) writedata(wd, DATA, KNOTSU(nu)*sizeof(float), nu->knotsu);
1497                                                 if(nu->knotsv) writedata(wd, DATA, KNOTSV(nu)*sizeof(float), nu->knotsv);
1498                                         }
1499                                         nu= nu->next;
1500                                 }
1501                         }
1502                 }
1503                 cu= cu->id.next;
1504         }
1505
1506         /* flush helps the compression for undo-save */
1507         mywrite(wd, MYWRITE_FLUSH, 0);
1508 }
1509
1510 static void write_dverts(WriteData *wd, int count, MDeformVert *dvlist)
1511 {
1512         if (dvlist) {
1513                 int i;
1514                 
1515                 /* Write the dvert list */
1516                 writestruct(wd, DATA, "MDeformVert", count, dvlist);
1517                 
1518                 /* Write deformation data for each dvert */
1519                 for (i=0; i<count; i++) {
1520                         if (dvlist[i].dw)
1521                                 writestruct(wd, DATA, "MDeformWeight", dvlist[i].totweight, dvlist[i].dw);
1522                 }
1523         }
1524 }
1525
1526 static void write_mdisps(WriteData *wd, int count, MDisps *mdlist, int external)
1527 {
1528         if(mdlist) {
1529                 int i;
1530                 
1531                 writestruct(wd, DATA, "MDisps", count, mdlist);
1532                 if(!external) {
1533                         for(i = 0; i < count; ++i) {
1534                                 if(mdlist[i].disps)
1535                                         writedata(wd, DATA, sizeof(float)*3*mdlist[i].totdisp, mdlist[i].disps);
1536                         }
1537                 }
1538         }
1539 }
1540
1541 static void write_customdata(WriteData *wd, ID *id, int count, CustomData *data, int partial_type, int partial_count)
1542 {
1543         int i;
1544
1545         /* write external customdata (not for undo) */
1546         if(data->external && !wd->current)
1547                 CustomData_external_write(data, id, CD_MASK_MESH, count, 0);
1548
1549         writestruct(wd, DATA, "CustomDataLayer", data->maxlayer, data->layers);
1550
1551         for (i=0; i<data->totlayer; i++) {
1552                 CustomDataLayer *layer= &data->layers[i];
1553                 const char *structname;
1554                 int structnum, datasize;
1555
1556                 if (layer->type == CD_MDEFORMVERT) {
1557                         /* layer types that allocate own memory need special handling */
1558                         write_dverts(wd, count, layer->data);
1559                 }
1560                 else if (layer->type == CD_MDISPS) {
1561                         write_mdisps(wd, count, layer->data, layer->flag & CD_FLAG_EXTERNAL);
1562                 }
1563                 else {
1564                         CustomData_file_write_info(layer->type, &structname, &structnum);
1565                         if (structnum) {
1566                                 /* when using partial visibility, the MEdge and MFace layers
1567                                    are smaller than the original, so their type and count is
1568                                    passed to make this work */
1569                                 if (layer->type != partial_type) datasize= structnum*count;
1570                                 else datasize= structnum*partial_count;
1571
1572                                 writestruct(wd, DATA, structname, datasize, layer->data);
1573                         }
1574                         else
1575                                 printf("error: this CustomDataLayer must not be written to file\n");
1576                 }
1577         }
1578
1579         if(data->external)
1580                 writestruct(wd, DATA, "CustomDataExternal", 1, data->external);
1581 }
1582
1583 static void write_meshs(WriteData *wd, ListBase *idbase)
1584 {
1585         Mesh *mesh;
1586
1587         mesh= idbase->first;
1588         while(mesh) {
1589                 if(mesh->id.us>0 || wd->current) {
1590                         /* write LibData */
1591                         writestruct(wd, ID_ME, "Mesh", 1, mesh);
1592
1593                         /* direct data */
1594                         if (mesh->id.properties) IDP_WriteProperty(mesh->id.properties, wd);
1595                         if (mesh->adt) write_animdata(wd, mesh->adt);
1596
1597                         writedata(wd, DATA, sizeof(void *)*mesh->totcol, mesh->mat);
1598
1599                         if(mesh->pv) {
1600                                 write_customdata(wd, &mesh->id, mesh->pv->totvert, &mesh->vdata, -1, 0);
1601                                 write_customdata(wd, &mesh->id, mesh->pv->totedge, &mesh->edata,
1602                                         CD_MEDGE, mesh->totedge);
1603                                 write_customdata(wd, &mesh->id, mesh->pv->totface, &mesh->fdata,
1604                                         CD_MFACE, mesh->totface);
1605                         }
1606                         else {
1607                                 write_customdata(wd, &mesh->id, mesh->totvert, &mesh->vdata, -1, 0);
1608                                 write_customdata(wd, &mesh->id, mesh->totedge, &mesh->edata, -1, 0);
1609                                 write_customdata(wd, &mesh->id, mesh->totface, &mesh->fdata, -1, 0);
1610                         }
1611
1612                         /* PMV data */
1613                         if(mesh->pv) {
1614                                 writestruct(wd, DATA, "PartialVisibility", 1, mesh->pv);
1615                                 writedata(wd, DATA, sizeof(unsigned int)*mesh->pv->totvert, mesh->pv->vert_map);
1616                                 writedata(wd, DATA, sizeof(int)*mesh->pv->totedge, mesh->pv->edge_map);
1617                                 writestruct(wd, DATA, "MFace", mesh->pv->totface, mesh->pv->old_faces);
1618                                 writestruct(wd, DATA, "MEdge", mesh->pv->totedge, mesh->pv->old_edges);
1619                         }
1620                 }
1621                 mesh= mesh->id.next;
1622         }
1623 }
1624
1625 static void write_lattices(WriteData *wd, ListBase *idbase)
1626 {
1627         Lattice *lt;
1628         
1629         lt= idbase->first;
1630         while(lt) {
1631                 if(lt->id.us>0 || wd->current) {
1632                         /* write LibData */
1633                         writestruct(wd, ID_LT, "Lattice", 1, lt);
1634                         if (lt->id.properties) IDP_WriteProperty(lt->id.properties, wd);
1635                         
1636                         /* write animdata */
1637                         if (lt->adt) write_animdata(wd, lt->adt);
1638                         
1639                         /* direct data */
1640                         writestruct(wd, DATA, "BPoint", lt->pntsu*lt->pntsv*lt->pntsw, lt->def);
1641                         
1642                         write_dverts(wd, lt->pntsu*lt->pntsv*lt->pntsw, lt->dvert);
1643                         
1644                 }
1645                 lt= lt->id.next;
1646         }
1647 }
1648
1649 static void write_previews(WriteData *wd, PreviewImage *prv)
1650 {
1651         if (prv) {
1652                 short w = prv->w[1];
1653                 short h = prv->h[1];
1654                 unsigned int *rect = prv->rect[1];
1655                 /* don't write out large previews if not requested */
1656                 if (!(U.flag & USER_SAVE_PREVIEWS) ) {
1657                         prv->w[1] = 0;
1658                         prv->h[1] = 0;
1659                         prv->rect[1] = NULL;
1660                 }
1661                 writestruct(wd, DATA, "PreviewImage", 1, prv);
1662                 if (prv->rect[0]) writedata(wd, DATA, prv->w[0]*prv->h[0]*sizeof(unsigned int), prv->rect[0]);
1663                 if (prv->rect[1]) writedata(wd, DATA, prv->w[1]*prv->h[1]*sizeof(unsigned int), prv->rect[1]);
1664
1665                 /* restore preview, we still want to keep it in memory even if not saved to file */
1666                 if (!(U.flag & USER_SAVE_PREVIEWS) ) {
1667                         prv->w[1] = w;
1668                         prv->h[1] = h;
1669                         prv->rect[1] = rect;
1670                 }
1671         }
1672 }
1673
1674 static void write_images(WriteData *wd, ListBase *idbase)
1675 {
1676         Image *ima;
1677         PackedFile * pf;
1678
1679
1680         ima= idbase->first;
1681         while(ima) {
1682                 if(ima->id.us>0 || wd->current) {
1683                         /* write LibData */
1684                         writestruct(wd, ID_IM, "Image", 1, ima);
1685                         if (ima->id.properties) IDP_WriteProperty(ima->id.properties, wd);
1686
1687                         if (ima->packedfile) {
1688                                 pf = ima->packedfile;
1689                                 writestruct(wd, DATA, "PackedFile", 1, pf);
1690                                 writedata(wd, DATA, pf->size, pf->data);
1691                         }
1692
1693                         write_previews(wd, ima->preview);
1694                 }
1695                 ima= ima->id.next;
1696         }
1697         /* flush helps the compression for undo-save */
1698         mywrite(wd, MYWRITE_FLUSH, 0);
1699 }
1700
1701 static void write_textures(WriteData *wd, ListBase *idbase)
1702 {
1703         Tex *tex;
1704
1705         tex= idbase->first;
1706         while(tex) {
1707                 if(tex->id.us>0 || wd->current) {
1708                         /* write LibData */
1709                         writestruct(wd, ID_TE, "Tex", 1, tex);
1710                         if (tex->id.properties) IDP_WriteProperty(tex->id.properties, wd);
1711
1712                         if (tex->adt) write_animdata(wd, tex->adt);
1713
1714                         /* direct data */
1715                         if(tex->type == TEX_PLUGIN && tex->plugin) writestruct(wd, DATA, "PluginTex", 1, tex->plugin);
1716                         if(tex->coba) writestruct(wd, DATA, "ColorBand", 1, tex->coba);
1717                         if(tex->type == TEX_ENVMAP && tex->env) writestruct(wd, DATA, "EnvMap", 1, tex->env);
1718                         if(tex->type == TEX_POINTDENSITY && tex->pd) {
1719                                 writestruct(wd, DATA, "PointDensity", 1, tex->pd);
1720                                 if(tex->pd->coba) writestruct(wd, DATA, "ColorBand", 1, tex->pd->coba);
1721                                 if(tex->pd->falloff_curve) write_curvemapping(wd, tex->pd->falloff_curve);
1722                         }
1723                         if(tex->type == TEX_VOXELDATA && tex->vd) writestruct(wd, DATA, "VoxelData", 1, tex->vd);
1724                         
1725                         /* nodetree is integral part of texture, no libdata */
1726                         if(tex->nodetree) {
1727                                 writestruct(wd, DATA, "bNodeTree", 1, tex->nodetree);
1728                                 write_nodetree(wd, tex->nodetree);
1729                         }
1730                         
1731                         write_previews(wd, tex->preview);
1732                 }
1733                 tex= tex->id.next;
1734         }
1735
1736         /* flush helps the compression for undo-save */
1737         mywrite(wd, MYWRITE_FLUSH, 0);
1738 }
1739
1740 static void write_materials(WriteData *wd, ListBase *idbase)
1741 {
1742         Material *ma;
1743         int a;
1744
1745         ma= idbase->first;
1746         while(ma) {
1747                 if(ma->id.us>0 || wd->current) {
1748                         /* write LibData */
1749                         writestruct(wd, ID_MA, "Material", 1, ma);
1750                         
1751                         /*Write ID Properties -- and copy this comment EXACTLY for easy finding
1752                           of library blocks that implement this.*/
1753                         /*manually set head group property to IDP_GROUP, just in case it hadn't been
1754                           set yet :) */
1755                         if (ma->id.properties) IDP_WriteProperty(ma->id.properties, wd);
1756                         
1757                         if (ma->adt) write_animdata(wd, ma->adt);
1758
1759                         for(a=0; a<MAX_MTEX; a++) {
1760                                 if(ma->mtex[a]) writestruct(wd, DATA, "MTex", 1, ma->mtex[a]);
1761                         }
1762                         
1763                         if(ma->ramp_col) writestruct(wd, DATA, "ColorBand", 1, ma->ramp_col);
1764                         if(ma->ramp_spec) writestruct(wd, DATA, "ColorBand", 1, ma->ramp_spec);
1765                         
1766                         /* nodetree is integral part of material, no libdata */
1767                         if(ma->nodetree) {
1768                                 writestruct(wd, DATA, "bNodeTree", 1, ma->nodetree);
1769                                 write_nodetree(wd, ma->nodetree);
1770                         }
1771
1772                         write_previews(wd, ma->preview);                        
1773                 }
1774                 ma= ma->id.next;
1775         }
1776 }
1777
1778 static void write_worlds(WriteData *wd, ListBase *idbase)
1779 {
1780         World *wrld;
1781         int a;
1782
1783         wrld= idbase->first;
1784         while(wrld) {
1785                 if(wrld->id.us>0 || wd->current) {
1786                         /* write LibData */
1787                         writestruct(wd, ID_WO, "World", 1, wrld);
1788                         if (wrld->id.properties) IDP_WriteProperty(wrld->id.properties, wd);
1789                         
1790                         if (wrld->adt) write_animdata(wd, wrld->adt);
1791                         
1792                         for(a=0; a<MAX_MTEX; a++) {
1793                                 if(wrld->mtex[a]) writestruct(wd, DATA, "MTex", 1, wrld->mtex[a]);
1794                         }
1795                         
1796                         write_previews(wd, wrld->preview);
1797                 }
1798                 wrld= wrld->id.next;
1799         }
1800 }
1801
1802 static void write_lamps(WriteData *wd, ListBase *idbase)
1803 {
1804         Lamp *la;
1805         int a;
1806
1807         la= idbase->first;
1808         while(la) {
1809                 if(la->id.us>0 || wd->current) {
1810                         /* write LibData */
1811                         writestruct(wd, ID_LA, "Lamp", 1, la);
1812                         if (la->id.properties) IDP_WriteProperty(la->id.properties, wd);
1813                         
1814                         if (la->adt) write_animdata(wd, la->adt);
1815                         
1816                         /* direct data */
1817                         for(a=0; a<MAX_MTEX; a++) {
1818                                 if(la->mtex[a]) writestruct(wd, DATA, "MTex", 1, la->mtex[a]);
1819                         }
1820                         
1821                         if(la->curfalloff)
1822                                 write_curvemapping(wd, la->curfalloff); 
1823                         
1824                         write_previews(wd, la->preview);
1825                         
1826                 }
1827                 la= la->id.next;
1828         }
1829 }
1830
1831
1832 static void write_scenes(WriteData *wd, ListBase *scebase)
1833 {
1834         Scene *sce;
1835         Base *base;
1836         Editing *ed;
1837         Sequence *seq;
1838         MetaStack *ms;
1839         Strip *strip;
1840         TimeMarker *marker;
1841         TransformOrientation *ts;
1842         SceneRenderLayer *srl;
1843         ToolSettings *tos;
1844         
1845         sce= scebase->first;
1846         while(sce) {
1847                 /* write LibData */
1848                 writestruct(wd, ID_SCE, "Scene", 1, sce);
1849                 if (sce->id.properties) IDP_WriteProperty(sce->id.properties, wd);
1850                 
1851                 if (sce->adt) write_animdata(wd, sce->adt);
1852                 write_keyingsets(wd, &sce->keyingsets);
1853                 
1854                 /* direct data */
1855                 base= sce->base.first;
1856                 while(base) {
1857                         writestruct(wd, DATA, "Base", 1, base);
1858                         base= base->next;
1859                 }
1860                 
1861                 tos = sce->toolsettings;
1862                 writestruct(wd, DATA, "ToolSettings", 1, tos);
1863                 if(tos->vpaint) {
1864                         writestruct(wd, DATA, "VPaint", 1, tos->vpaint);
1865                 }
1866                 if(tos->wpaint) {
1867                         writestruct(wd, DATA, "VPaint", 1, tos->wpaint);
1868                 }
1869                 if(tos->sculpt) {
1870                         writestruct(wd, DATA, "Sculpt", 1, tos->sculpt);
1871                 }
1872
1873                 // write_paint(wd, &tos->imapaint.paint);
1874
1875                 ed= sce->ed;
1876                 if(ed) {
1877                         writestruct(wd, DATA, "Editing", 1, ed);
1878                         
1879                         /* reset write flags too */
1880                         
1881                         SEQ_BEGIN(ed, seq) {
1882                                 if(seq->strip) seq->strip->done= 0;
1883                                 writestruct(wd, DATA, "Sequence", 1, seq);
1884                         }
1885                         SEQ_END
1886                         
1887                         SEQ_BEGIN(ed, seq) {
1888                                 if(seq->strip && seq->strip->done==0) {
1889                                         /* write strip with 'done' at 0 because readfile */
1890                                         
1891                                         if(seq->plugin) writestruct(wd, DATA, "PluginSeq", 1, seq->plugin);
1892                                         if(seq->effectdata) {
1893                                                 switch(seq->type){
1894                                                 case SEQ_COLOR:
1895                                                         writestruct(wd, DATA, "SolidColorVars", 1, seq->effectdata);
1896                                                         break;
1897                                                 case SEQ_SPEED:
1898                                                         writestruct(wd, DATA, "SpeedControlVars", 1, seq->effectdata);
1899                                                         break;
1900                                                 case SEQ_WIPE:
1901                                                         writestruct(wd, DATA, "WipeVars", 1, seq->effectdata);
1902                                                         break;
1903                                                 case SEQ_GLOW:
1904                                                         writestruct(wd, DATA, "GlowVars", 1, seq->effectdata);
1905                                                         break;
1906                                                 case SEQ_TRANSFORM:
1907                                                         writestruct(wd, DATA, "TransformVars", 1, seq->effectdata);
1908                                                         break;
1909                                                 }
1910                                         }
1911                                         
1912                                         strip= seq->strip;
1913                                         writestruct(wd, DATA, "Strip", 1, strip);
1914                                         if(seq->flag & SEQ_USE_CROP && strip->crop) {
1915                                                 writestruct(wd, DATA, "StripCrop", 1, strip->crop);
1916                                         }
1917                                         if(seq->flag & SEQ_USE_TRANSFORM && strip->transform) {
1918                                                 writestruct(wd, DATA, "StripTransform", 1, strip->transform);
1919                                         }
1920                                         if(seq->flag & SEQ_USE_PROXY && strip->proxy) {
1921                                                 writestruct(wd, DATA, "StripProxy", 1, strip->proxy);
1922                                         }
1923                                         if(seq->flag & SEQ_USE_COLOR_BALANCE && strip->color_balance) {
1924                                                 writestruct(wd, DATA, "StripColorBalance", 1, strip->color_balance);
1925                                         }
1926                                         if(seq->type==SEQ_IMAGE)
1927                                                 writestruct(wd, DATA, "StripElem", MEM_allocN_len(strip->stripdata) / sizeof(struct StripElem), strip->stripdata);
1928                                         else if(seq->type==SEQ_MOVIE || seq->type==SEQ_RAM_SOUND || seq->type == SEQ_HD_SOUND)
1929                                                 writestruct(wd, DATA, "StripElem", 1, strip->stripdata);
1930                                         
1931                                         strip->done= 1;
1932                                 }
1933                         }
1934                         SEQ_END
1935                                 
1936                         /* new; meta stack too, even when its nasty restore code */
1937                         for(ms= ed->metastack.first; ms; ms= ms->next) {
1938                                 writestruct(wd, DATA, "MetaStack", 1, ms);
1939                         }
1940                 }
1941                 
1942                 if (sce->r.avicodecdata) {
1943                         writestruct(wd, DATA, "AviCodecData", 1, sce->r.avicodecdata);
1944                         if (sce->r.avicodecdata->lpFormat) writedata(wd, DATA, sce->r.avicodecdata->cbFormat, sce->r.avicodecdata->lpFormat);
1945                         if (sce->r.avicodecdata->lpParms) writedata(wd, DATA, sce->r.avicodecdata->cbParms, sce->r.avicodecdata->lpParms);
1946                 }
1947
1948                 if (sce->r.qtcodecdata) {
1949                         writestruct(wd, DATA, "QuicktimeCodecData", 1, sce->r.qtcodecdata);
1950                         if (sce->r.qtcodecdata->cdParms) writedata(wd, DATA, sce->r.qtcodecdata->cdSize, sce->r.qtcodecdata->cdParms);
1951                 }
1952                 if (sce->r.ffcodecdata.properties) {
1953                         IDP_WriteProperty(sce->r.ffcodecdata.properties, wd);
1954                 }
1955
1956                 /* writing dynamic list of TimeMarkers to the blend file */
1957                 for(marker= sce->markers.first; marker; marker= marker->next)
1958                         writestruct(wd, DATA, "TimeMarker", 1, marker);
1959                 
1960                 /* writing dynamic list of TransformOrientations to the blend file */
1961                 for(ts = sce->transform_spaces.first; ts; ts = ts->next)
1962                         writestruct(wd, DATA, "TransformOrientation", 1, ts);
1963                 
1964                 for(srl= sce->r.layers.first; srl; srl= srl->next)
1965                         writestruct(wd, DATA, "SceneRenderLayer", 1, srl);
1966                 
1967                 if(sce->nodetree) {
1968                         writestruct(wd, DATA, "bNodeTree", 1, sce->nodetree);
1969                         write_nodetree(wd, sce->nodetree);
1970                 }
1971                 
1972                 sce= sce->id.next;
1973         }
1974         /* flush helps the compression for undo-save */
1975         mywrite(wd, MYWRITE_FLUSH, 0);
1976 }
1977
1978 static void write_gpencils(WriteData *wd, ListBase *lb)
1979 {
1980         bGPdata *gpd;
1981         bGPDlayer *gpl;
1982         bGPDframe *gpf;
1983         bGPDstroke *gps;
1984         
1985         for (gpd= lb->first; gpd; gpd= gpd->id.next) {
1986                 if (gpd->id.us>0 || wd->current) {
1987                         /* write gpd data block to file */
1988                         writestruct(wd, ID_GD, "bGPdata", 1, gpd);
1989                         
1990                         /* write grease-pencil layers to file */
1991                         for (gpl= gpd->layers.first; gpl; gpl= gpl->next) {
1992                                 writestruct(wd, DATA, "bGPDlayer", 1, gpl);
1993                                 
1994                                 /* write this layer's frames to file */
1995                                 for (gpf= gpl->frames.first; gpf; gpf= gpf->next) {
1996                                         writestruct(wd, DATA, "bGPDframe", 1, gpf);
1997                                         
1998                                         /* write strokes */
1999                                         for (gps= gpf->strokes.first; gps; gps= gps->next) {
2000                                                 writestruct(wd, DATA, "bGPDstroke", 1, gps);
2001                                                 writestruct(wd, DATA, "bGPDspoint", gps->totpoints, gps->points);                               
2002                                         }
2003                                 }
2004                         }
2005                 }
2006         }
2007 }
2008
2009 static void write_windowmanagers(WriteData *wd, ListBase *lb)
2010 {
2011         wmWindowManager *wm;
2012         wmWindow *win;
2013         
2014         for(wm= lb->first; wm; wm= wm->id.next) {
2015                 writestruct(wd, ID_WM, "wmWindowManager", 1, wm);
2016                 
2017                 for(win= wm->windows.first; win; win= win->next)
2018                         writestruct(wd, DATA, "wmWindow", 1, win);
2019         }
2020 }
2021
2022 static void write_region(WriteData *wd, ARegion *ar, int spacetype)
2023 {       
2024         writestruct(wd, DATA, "ARegion", 1, ar);
2025         
2026         if(ar->regiondata) {
2027                 switch(spacetype) {
2028                         case SPACE_VIEW3D:
2029                                 if(ar->regiontype==RGN_TYPE_WINDOW) {
2030                                         RegionView3D *rv3d= ar->regiondata;
2031                                         writestruct(wd, DATA, "RegionView3D", 1, rv3d);
2032                                         
2033                                         if(rv3d->localvd)
2034                                                 writestruct(wd, DATA, "RegionView3D", 1, rv3d->localvd);
2035                                         if(rv3d->clipbb) 
2036                                                 writestruct(wd, DATA, "BoundBox", 1, rv3d->clipbb);
2037
2038                                 }
2039                                 else
2040                                         printf("regiondata write missing!\n");
2041                                 break;
2042                         default:
2043                                 printf("regiondata write missing!\n");
2044                 }
2045         }
2046 }
2047
2048 static void write_screens(WriteData *wd, ListBase *scrbase)
2049 {
2050         bScreen *sc;
2051         ScrArea *sa;
2052         ScrVert *sv;
2053         ScrEdge *se;
2054
2055         sc= scrbase->first;
2056         while(sc) {
2057                 
2058                 /* write LibData */
2059                 /* in 2.50+ files, the file identifier for screens is patched, forward compatibility */
2060                 writestruct(wd, ID_SCRN, "Screen", 1, sc);
2061                 if (sc->id.properties) 
2062                         IDP_WriteProperty(sc->id.properties, wd);
2063                 
2064                 /* direct data */
2065                 for(sv= sc->vertbase.first; sv; sv= sv->next)
2066                         writestruct(wd, DATA, "ScrVert", 1, sv);
2067                 
2068                 for(se= sc->edgebase.first; se; se= se->next) 
2069                         writestruct(wd, DATA, "ScrEdge", 1, se);
2070                 
2071                 for(sa= sc->areabase.first; sa; sa= sa->next) {
2072                         SpaceLink *sl;
2073                         Panel *pa;
2074                         ARegion *ar;
2075                         
2076                         writestruct(wd, DATA, "ScrArea", 1, sa);
2077                         
2078                         for(ar= sa->regionbase.first; ar; ar= ar->next) {
2079                                 write_region(wd, ar, sa->spacetype);
2080                                 
2081                                 for(pa= ar->panels.first; pa; pa= pa->next)
2082                                         writestruct(wd, DATA, "Panel", 1, pa);
2083                         }
2084                         
2085                         sl= sa->spacedata.first;
2086                         while(sl) {
2087                                 for(ar= sl->regionbase.first; ar; ar= ar->next)
2088                                         write_region(wd, ar, sl->spacetype);
2089                                 
2090                                 if(sl->spacetype==SPACE_VIEW3D) {
2091                                         View3D *v3d= (View3D *) sl;
2092                                         BGpic *bgpic;
2093                                         writestruct(wd, DATA, "View3D", 1, v3d);
2094                                         for (bgpic= v3d->bgpicbase.first; bgpic; bgpic= bgpic->next)
2095                                                 writestruct(wd, DATA, "BGpic", 1, bgpic);
2096                                         if(v3d->localvd) writestruct(wd, DATA, "View3D", 1, v3d->localvd);
2097                                 }
2098                                 else if(sl->spacetype==SPACE_IPO) {
2099                                         SpaceIpo *sipo= (SpaceIpo *)sl;
2100                                         ListBase tmpGhosts = sipo->ghostCurves;
2101                                         
2102                                         /* temporarily disable ghost curves when saving */
2103                                         sipo->ghostCurves.first= sipo->ghostCurves.last= NULL;
2104                                         
2105                                         writestruct(wd, DATA, "SpaceIpo", 1, sl);
2106                                         if(sipo->ads) writestruct(wd, DATA, "bDopeSheet", 1, sipo->ads);
2107                                         
2108                                         /* reenable ghost curves */
2109                                         sipo->ghostCurves= tmpGhosts;
2110                                 }
2111                                 else if(sl->spacetype==SPACE_BUTS) {
2112                                         writestruct(wd, DATA, "SpaceButs", 1, sl);
2113                                 }
2114                                 else if(sl->spacetype==SPACE_FILE) {
2115                                         SpaceFile *sfile= (SpaceFile *)sl;
2116
2117                                         writestruct(wd, DATA, "SpaceFile", 1, sl);
2118                                         if(sfile->params)
2119                                                 writestruct(wd, DATA, "FileSelectParams", 1, sfile->params);
2120                                 }
2121                                 else if(sl->spacetype==SPACE_SEQ) {
2122                                         writestruct(wd, DATA, "SpaceSeq", 1, sl);
2123                                 }
2124                                 else if(sl->spacetype==SPACE_OUTLINER) {
2125                                         SpaceOops *so= (SpaceOops *)sl;
2126                                         
2127                                         writestruct(wd, DATA, "SpaceOops", 1, so);
2128
2129                                         /* outliner */
2130                                         if(so->treestore) {
2131                                                 writestruct(wd, DATA, "TreeStore", 1, so->treestore);
2132                                                 if(so->treestore->data)
2133                                                         writestruct(wd, DATA, "TreeStoreElem", so->treestore->usedelem, so->treestore->data);
2134                                         }
2135                                 }
2136                                 else if(sl->spacetype==SPACE_IMAGE) {
2137                                         SpaceImage *sima= (SpaceImage *)sl;
2138                                         
2139                                         writestruct(wd, DATA, "SpaceImage", 1, sl);
2140                                         if(sima->cumap)
2141                                                 write_curvemapping(wd, sima->cumap);
2142                                 }
2143                                 else if(sl->spacetype==SPACE_IMASEL) {
2144                                         // XXX: depreceated... do we still want to keep this?
2145                                         writestruct(wd, DATA, "SpaceImaSel", 1, sl);
2146                                 }
2147                                 else if(sl->spacetype==SPACE_TEXT) {
2148                                         writestruct(wd, DATA, "SpaceText", 1, sl);
2149                                 }
2150                                 else if(sl->spacetype==SPACE_SCRIPT) {
2151                                         SpaceScript *scr = (SpaceScript*)sl;
2152                                         scr->but_refs = NULL;
2153                                         writestruct(wd, DATA, "SpaceScript", 1, sl);
2154                                 }
2155                                 else if(sl->spacetype==SPACE_ACTION) {
2156                                         writestruct(wd, DATA, "SpaceAction", 1, sl);
2157                                 }
2158                                 else if(sl->spacetype==SPACE_SOUND) {
2159                                         writestruct(wd, DATA, "SpaceSound", 1, sl);
2160                                 }
2161                                 else if(sl->spacetype==SPACE_NLA){
2162                                         SpaceNla *snla= (SpaceNla *)sl;
2163                                         
2164                                         writestruct(wd, DATA, "SpaceNla", 1, snla);
2165                                         if(snla->ads) writestruct(wd, DATA, "bDopeSheet", 1, snla->ads);
2166                                 }
2167                                 else if(sl->spacetype==SPACE_TIME){
2168                                         writestruct(wd, DATA, "SpaceTime", 1, sl);
2169                                 }
2170                                 else if(sl->spacetype==SPACE_NODE){
2171                                         writestruct(wd, DATA, "SpaceNode", 1, sl);
2172                                 }
2173                                 else if(sl->spacetype==SPACE_LOGIC){
2174                                         writestruct(wd, DATA, "SpaceLogic", 1, sl);
2175                                 }
2176                                 else if(sl->spacetype==SPACE_CONSOLE) {
2177                                         SpaceConsole *con = (SpaceConsole*)sl;
2178                                         ConsoleLine *cl;
2179
2180                                         for (cl=con->history.first; cl; cl=cl->next) {
2181                                                 /* 'len_alloc' is invalid on write, set from 'len' on read */
2182                                                 writestruct(wd, DATA, "ConsoleLine", 1, cl);
2183                                                 writedata(wd, DATA, cl->len+1, cl->line);
2184                                         }
2185                                         writestruct(wd, DATA, "SpaceConsole", 1, sl);
2186
2187                                 }
2188                                 else if(sl->spacetype==SPACE_USERPREF) {
2189                                         writestruct(wd, DATA, "SpaceUserPref", 1, sl);
2190                                 }
2191
2192                                 sl= sl->next;
2193                         }
2194                 }
2195
2196                 sc= sc->id.next;
2197         }
2198 }
2199
2200 static void write_libraries(WriteData *wd, Main *main)
2201 {
2202         ListBase *lbarray[30];
2203         ID *id;
2204         int a, tot, foundone;
2205
2206         for(; main; main= main->next) {
2207
2208                 a=tot= set_listbasepointers(main, lbarray);
2209
2210                 /* test: is lib being used */
2211                 foundone= 0;
2212                 while(tot--) {
2213                         for(id= lbarray[tot]->first; id; id= id->next) {
2214                                 if(id->us>0 && (id->flag & LIB_EXTERN)) {
2215                                         foundone= 1;
2216                                         break;
2217                                 }
2218                         }
2219                         if(foundone) break;
2220                 }
2221
2222                 if(foundone) {
2223                         writestruct(wd, ID_LI, "Library", 1, main->curlib);
2224
2225                         while(a--) {
2226                                 for(id= lbarray[a]->first; id; id= id->next) {
2227                                         if(id->us>0 && (id->flag & LIB_EXTERN)) {
2228                                                 writestruct(wd, ID_ID, "ID", 1, id);
2229                                         }
2230                                 }
2231                         }
2232                 }
2233         }
2234 }
2235
2236 static void write_bone(WriteData *wd, Bone* bone)
2237 {
2238         Bone*   cbone;
2239
2240         // PATCH for upward compatibility after 2.37+ armature recode
2241         bone->size[0]= bone->size[1]= bone->size[2]= 1.0f;
2242                 
2243         // Write this bone
2244         writestruct(wd, DATA, "Bone", 1, bone);
2245
2246         /* Write ID Properties -- and copy this comment EXACTLY for easy finding
2247          of library blocks that implement this.*/
2248         if (bone->prop)
2249                 IDP_WriteProperty(bone->prop, wd);
2250         
2251         // Write Children
2252         cbone= bone->childbase.first;
2253         while(cbone) {
2254                 write_bone(wd, cbone);
2255                 cbone= cbone->next;
2256         }
2257 }
2258
2259 static void write_armatures(WriteData *wd, ListBase *idbase)
2260 {
2261         bArmature       *arm;
2262         Bone            *bone;
2263
2264         arm=idbase->first;
2265         while (arm) {
2266                 if (arm->id.us>0 || wd->current) {
2267                         writestruct(wd, ID_AR, "bArmature", 1, arm);
2268                         if (arm->id.properties) IDP_WriteProperty(arm->id.properties, wd);
2269
2270                         if (arm->adt) write_animdata(wd, arm->adt);
2271
2272                         /* Direct data */
2273                         bone= arm->bonebase.first;
2274                         while(bone) {
2275                                 write_bone(wd, bone);
2276                                 bone=bone->next;
2277                         }
2278                 }
2279                 arm=arm->id.next;
2280         }
2281
2282         /* flush helps the compression for undo-save */
2283         mywrite(wd, MYWRITE_FLUSH, 0);
2284 }
2285
2286 static void write_texts(WriteData *wd, ListBase *idbase)
2287 {
2288         Text *text;
2289         TextLine *tmp;
2290         TextMarker *mrk;
2291
2292         text= idbase->first;
2293         while(text) {
2294                 if ( (text->flags & TXT_ISMEM) && (text->flags & TXT_ISEXT)) text->flags &= ~TXT_ISEXT;
2295
2296                 /* write LibData */
2297                 writestruct(wd, ID_TXT, "Text", 1, text);
2298                 if(text->name) writedata(wd, DATA, strlen(text->name)+1, text->name);
2299                 if (text->id.properties) IDP_WriteProperty(text->id.properties, wd);
2300
2301                 if(!(text->flags & TXT_ISEXT)) {
2302                         /* now write the text data, in two steps for optimization in the readfunction */
2303                         tmp= text->lines.first;
2304                         while (tmp) {
2305                                 writestruct(wd, DATA, "TextLine", 1, tmp);
2306                                 tmp= tmp->next;
2307                         }
2308
2309                         tmp= text->lines.first;
2310                         while (tmp) {
2311                                 writedata(wd, DATA, tmp->len+1, tmp->line);
2312                                 tmp= tmp->next;
2313                         }
2314
2315                         /* write markers */
2316                         mrk= text->markers.first;
2317                         while (mrk) {
2318                                 writestruct(wd, DATA, "TextMarker", 1, mrk);
2319                                 mrk= mrk->next;
2320                         }
2321                 }
2322
2323
2324                 text= text->id.next;
2325         }
2326
2327         /* flush helps the compression for undo-save */
2328         mywrite(wd, MYWRITE_FLUSH, 0);
2329 }
2330
2331 static void write_sounds(WriteData *wd, ListBase *idbase)
2332 {
2333         bSound *sound;
2334
2335         PackedFile * pf;
2336
2337         sound= idbase->first;
2338         while(sound) {
2339                 if(sound->id.us>0 || wd->current) {
2340                         /* write LibData */
2341                         writestruct(wd, ID_SO, "bSound", 1, sound);
2342                         if (sound->id.properties) IDP_WriteProperty(sound->id.properties, wd);
2343
2344                         if (sound->packedfile) {
2345                                 pf = sound->packedfile;
2346                                 writestruct(wd, DATA, "PackedFile", 1, pf);
2347                                 writedata(wd, DATA, pf->size, pf->data);
2348                         }
2349                 }
2350                 sound= sound->id.next;
2351         }
2352
2353         /* flush helps the compression for undo-save */
2354         mywrite(wd, MYWRITE_FLUSH, 0);
2355 }
2356
2357 static void write_groups(WriteData *wd, ListBase *idbase)
2358 {
2359         Group *group;
2360         GroupObject *go;
2361
2362         for(group= idbase->first; group; group= group->id.next) {
2363                 if(group->id.us>0 || wd->current) {
2364                         /* write LibData */
2365                         writestruct(wd, ID_GR, "Group", 1, group);
2366                         if (group->id.properties) IDP_WriteProperty(group->id.properties, wd);
2367
2368                         go= group->gobject.first;
2369                         while(go) {
2370                                 writestruct(wd, DATA, "GroupObject", 1, go);
2371                                 go= go->next;
2372                         }
2373                 }
2374         }
2375 }
2376
2377 static void write_nodetrees(WriteData *wd, ListBase *idbase)
2378 {
2379         bNodeTree *ntree;
2380         
2381         for(ntree=idbase->first; ntree; ntree= ntree->id.next) {
2382                 if (ntree->id.us>0 || wd->current) {
2383                         writestruct(wd, ID_NT, "bNodeTree", 1, ntree);
2384                         write_nodetree(wd, ntree);
2385                         
2386                         if (ntree->id.properties) IDP_WriteProperty(ntree->id.properties, wd);
2387                         
2388                         if (ntree->adt) write_animdata(wd, ntree->adt);
2389                 }
2390         }
2391 }
2392
2393 static void write_brushes(WriteData *wd, ListBase *idbase)
2394 {
2395         Brush *brush;
2396         
2397         for(brush=idbase->first; brush; brush= brush->id.next) {
2398                 if(brush->id.us>0 || wd->current) {
2399                         writestruct(wd, ID_BR, "Brush", 1, brush);
2400                         if (brush->id.properties) IDP_WriteProperty(brush->id.properties, wd);
2401                         
2402                         writestruct(wd, DATA, "MTex", 1, &brush->mtex);
2403                         
2404                         if(brush->curve)
2405                                 write_curvemapping(wd, brush->curve);
2406                 }
2407         }
2408 }
2409
2410 static void write_scripts(WriteData *wd, ListBase *idbase)
2411 {
2412         Script *script;
2413         
2414         for(script=idbase->first; script; script= script->id.next) {
2415                 if(script->id.us>0 || wd->current) {
2416                         writestruct(wd, ID_SCRIPT, "Script", 1, script);
2417                         if (script->id.properties) IDP_WriteProperty(script->id.properties, wd);
2418                 }
2419         }
2420 }
2421
2422 /* context is usually defined by WM, two cases where no WM is available:
2423  * - for forward compatibility, curscreen has to be saved
2424  * - for undofile, curscene needs to be saved */
2425 static void write_global(WriteData *wd, int fileflags, Main *mainvar)
2426 {
2427         FileGlobal fg;
2428         bScreen *screen;
2429         char subvstr[8];
2430         
2431         /* prevent mem checkers from complaining */
2432         fg.pads= fg.pad= 0;
2433         memset(fg.filename, 0, sizeof(fg.filename));
2434
2435         current_screen_compat(mainvar, &screen);
2436
2437         /* XXX still remap G */
2438         fg.curscreen= screen;
2439         fg.curscene= screen->scene;
2440         fg.displaymode= G.displaymode;
2441         fg.winpos= G.winpos;
2442         fg.fileflags= (fileflags & ~(G_FILE_NO_UI|G_FILE_RELATIVE_REMAP));      // prevent to save this, is not good convention, and feature with concerns...
2443         fg.globalf= G.f;
2444         BLI_strncpy(fg.filename, mainvar->name, sizeof(fg.filename));
2445
2446         sprintf(subvstr, "%4d", BLENDER_SUBVERSION);
2447         memcpy(fg.subvstr, subvstr, 4);
2448         
2449         fg.subversion= BLENDER_SUBVERSION;
2450         fg.minversion= BLENDER_MINVERSION;
2451         fg.minsubversion= BLENDER_MINSUBVERSION;
2452 #ifdef NAN_BUILDINFO
2453         {
2454                 extern char build_rev[];
2455                 fg.revision= atoi(build_rev);
2456         }
2457 #else
2458         fg.revision= 0;
2459 #endif
2460         writestruct(wd, GLOB, "FileGlobal", 1, &fg);
2461 }
2462
2463 /* preview image, first 2 values are width and height
2464  * second are an RGBA image (unsigned char)
2465  * note, this uses 'TEST' since new types will segfault on file load for older blender versions.
2466  */
2467 static void write_thumb(WriteData *wd, int *img)
2468 {
2469         if(img)
2470                 writedata(wd, TEST, (2 + img[0] * img[1]) * sizeof(int), img);
2471 }
2472
2473 /* if MemFile * there's filesave to memory */
2474 static int write_file_handle(Main *mainvar, int handle, MemFile *compare, MemFile *current, 
2475                                                          int write_user_block, int write_flags, int *thumb)
2476 {
2477         BHead bhead;
2478         ListBase mainlist;
2479         char buf[16];
2480         WriteData *wd;
2481
2482         blo_split_main(&mainlist, mainvar);
2483
2484         wd= bgnwrite(handle, compare, current);
2485         
2486         sprintf(buf, "BLENDER%c%c%.3d", (sizeof(void*)==8)?'-':'_', (ENDIAN_ORDER==B_ENDIAN)?'V':'v', BLENDER_VERSION);
2487         mywrite(wd, buf, 12);
2488
2489         write_renderinfo(wd, mainvar);
2490         write_thumb(wd, thumb);
2491         write_global(wd, write_flags, mainvar);
2492
2493         /* no UI save in undo */
2494         if(current==NULL) {
2495                 write_windowmanagers(wd, &mainvar->wm);
2496                 write_screens  (wd, &mainvar->screen);
2497         }
2498         write_scenes   (wd, &mainvar->scene);
2499         write_curves   (wd, &mainvar->curve);
2500         write_mballs   (wd, &mainvar->mball);
2501         write_images   (wd, &mainvar->image);
2502         write_cameras  (wd, &mainvar->camera);
2503         write_lamps    (wd, &mainvar->lamp);
2504         write_lattices (wd, &mainvar->latt);
2505         write_vfonts   (wd, &mainvar->vfont);
2506         write_keys     (wd, &mainvar->key);
2507         write_worlds   (wd, &mainvar->world);
2508         write_texts    (wd, &mainvar->text);
2509         write_sounds   (wd, &mainvar->sound);
2510         write_groups   (wd, &mainvar->group);
2511         write_armatures(wd, &mainvar->armature);
2512         write_actions  (wd, &mainvar->action);
2513         write_objects  (wd, &mainvar->object);
2514         write_materials(wd, &mainvar->mat);
2515         write_textures (wd, &mainvar->tex);
2516         write_meshs    (wd, &mainvar->mesh);
2517         write_particlesettings(wd, &mainvar->particle);
2518         write_nodetrees(wd, &mainvar->nodetree);
2519         write_brushes  (wd, &mainvar->brush);
2520         write_scripts  (wd, &mainvar->script);
2521         write_gpencils (wd, &mainvar->gpencil);
2522         write_libraries(wd,  mainvar->next);
2523
2524         if (write_user_block) {
2525                 write_userdef(wd);
2526         }
2527                                                         
2528         /* dna as last, because (to be implemented) test for which structs are written */
2529         writedata(wd, DNA1, wd->sdna->datalen, wd->sdna->data);
2530
2531         /* end of file */
2532         memset(&bhead, 0, sizeof(BHead));
2533         bhead.code= ENDB;
2534         mywrite(wd, &bhead, sizeof(BHead));
2535
2536         blo_join_main(&mainlist);
2537
2538         return endwrite(wd);
2539 }
2540
2541 /* do reverse file history: .blend1 -> .blend2, .blend -> .blend1 */
2542 /* return: success(0), failure(1) */
2543 static int do_history(const char *name, ReportList *reports)
2544 {
2545         char tempname1[FILE_MAXDIR+FILE_MAXFILE], tempname2[FILE_MAXDIR+FILE_MAXFILE];
2546         int hisnr= U.versions;
2547         
2548         if(U.versions==0) return 0;
2549         if(strlen(name)<2) {
2550                 BKE_report(reports, RPT_ERROR, "Unable to make version backup: filename too short");
2551                 return 1;
2552         }
2553                 
2554         while(hisnr > 1) {
2555                 BLI_snprintf(tempname1, sizeof(tempname1), "%s%d", name, hisnr-1);
2556                 BLI_snprintf(tempname2, sizeof(tempname2), "%s%d", name, hisnr);
2557         
2558                 if(BLI_rename(tempname1, tempname2)) {
2559                         BKE_report(reports, RPT_ERROR, "Unable to make version backup");
2560                         return 1;
2561                 }       
2562                 hisnr--;
2563         }
2564
2565         /* is needed when hisnr==1 */
2566         BLI_snprintf(tempname1, sizeof(tempname1), "%s%d", name, hisnr);
2567
2568         if(BLI_rename(name, tempname1)) {
2569                 BKE_report(reports, RPT_ERROR, "Unable to make version backup");
2570                 return 1;
2571         }
2572
2573         return 0;
2574 }
2575
2576 /* return: success (1) */
2577 int BLO_write_file(Main *mainvar, const char *filepath, int write_flags, ReportList *reports, int *thumb)
2578 {
2579         char userfilename[FILE_MAXDIR+FILE_MAXFILE];
2580         char tempname[FILE_MAXDIR+FILE_MAXFILE+1];
2581         int file, err, write_user_block;
2582
2583         /* open temporary file, so we preserve the original in case we crash */
2584         BLI_snprintf(tempname, sizeof(tempname), "%s@", filepath);
2585
2586         file = open(tempname,O_BINARY+O_WRONLY+O_CREAT+O_TRUNC, 0666);
2587         if(file == -1) {
2588                 BKE_reportf(reports, RPT_ERROR, "Can't open file %s for writing: %s.", tempname, strerror(errno));
2589                 return 0;
2590         }
2591
2592         /* remapping of relative paths to new file location */
2593         if(write_flags & G_FILE_RELATIVE_REMAP) {
2594                 char dir1[FILE_MAXDIR+FILE_MAXFILE];
2595                 char dir2[FILE_MAXDIR+FILE_MAXFILE];
2596                 BLI_split_dirfile(filepath, dir1, NULL);
2597                 BLI_split_dirfile(mainvar->name, dir2, NULL);
2598
2599                 /* just incase there is some subtle difference */
2600                 BLI_cleanup_dir(mainvar->name, dir1);
2601                 BLI_cleanup_dir(mainvar->name, dir2);
2602
2603                 if(BLI_path_cmp(dir1, dir2)==0) {
2604                         write_flags &= ~G_FILE_RELATIVE_REMAP;
2605                 }
2606                 else {
2607                         if(G.relbase_valid) {
2608                                 /* blend may not have been saved before. Tn this case
2609                                  * we should not have any relative paths, but if there
2610                                  * is somehow, an invalid or empty G.main->name it will
2611                                  * print an error, dont try make the absolute in this case. */
2612                                 makeFilesAbsolute(mainvar, G.main->name, NULL);
2613                         }
2614                 }
2615         }
2616
2617         BLI_make_file_string(G.main->name, userfilename, BLI_get_folder_create(BLENDER_USER_CONFIG, NULL), BLENDER_STARTUP_FILE);
2618         write_user_block= (BLI_path_cmp(filepath, userfilename) == 0);
2619
2620         if(write_flags & G_FILE_RELATIVE_REMAP)
2621                 makeFilesRelative(mainvar, filepath, NULL); /* note, making relative to something OTHER then G.main->name */
2622
2623         /* actual file writing */
2624         err= write_file_handle(mainvar, file, NULL,NULL, write_user_block, write_flags, thumb);
2625         close(file);
2626
2627         if (err) {
2628                 BKE_report(reports, RPT_ERROR, strerror(errno));
2629                 remove(tempname);
2630
2631                 return 0;
2632         }
2633
2634         /* file save to temporary file was successful */
2635         /* now do reverse file history (move .blend1 -> .blend2, .blend -> .blend1) */
2636         if (write_flags & G_FILE_HISTORY) { 
2637                 int err_hist = do_history(filepath, reports);
2638                 if (err_hist) {
2639                         BKE_report(reports, RPT_ERROR, "Version backup failed. File saved with @");
2640                         return 0;
2641                 }
2642         }
2643
2644         if(write_flags & G_FILE_COMPRESS) {
2645                 /* compressed files have the same ending as regular files... only from 2.4!!! */
2646                 char gzname[FILE_MAXDIR+FILE_MAXFILE+4];
2647                 int ret;
2648
2649                 /* first write compressed to separate @.gz */
2650                 BLI_snprintf(gzname, sizeof(gzname), "%s@.gz", filepath);
2651                 ret = BLI_gzip(tempname, gzname);
2652                 
2653                 if(0==ret) {
2654                         /* now rename to real file name, and delete temp @ file too */
2655                         if(BLI_rename(gzname, filepath) != 0) {
2656                                 BKE_report(reports, RPT_ERROR, "Can't change old file. File saved with @.");
2657                                 return 0;
2658                         }
2659
2660                         BLI_delete(tempname, 0, 0);
2661                 }
2662                 else if(-1==ret) {
2663                         BKE_report(reports, RPT_ERROR, "Failed opening .gz file.");
2664                         return 0;
2665                 }
2666                 else if(-2==ret) {
2667                         BKE_report(reports, RPT_ERROR, "Failed opening .blend file for compression.");
2668                         return 0;
2669                 }
2670         }
2671         else if(BLI_rename(tempname, filepath) != 0) {
2672                 BKE_report(reports, RPT_ERROR, "Can't change old file. File saved with @");
2673                 return 0;
2674         }
2675
2676         return 1;
2677 }
2678
2679 /* return: success (1) */
2680 int BLO_write_file_mem(Main *mainvar, MemFile *compare, MemFile *current, int write_flags)
2681 {
2682         int err;
2683
2684         err= write_file_handle(mainvar, 0, compare, current, 0, write_flags, NULL);
2685         
2686         if(err==0) return 1;
2687         return 0;
2688 }