Second attempt at committing the different render slot implementation. This
[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 /*
30 FILEFORMAT: IFF-style structure  (but not IFF compatible!)
31
32 start file:
33         BLENDER_V100    12 bytes  (versie 1.00)
34                                         V = big endian, v = little endian
35                                         _ = 4 byte pointer, - = 8 byte pointer
36
37 datablocks:             also see struct BHead
38         <bh.code>                       4 chars
39         <bh.len>                        int,  len data after BHead
40         <bh.old>                        void,  old pointer
41         <bh.SDNAnr>                     int
42         <bh.nr>                         int, in case of array: amount of structs
43         data
44         ...
45         ...
46
47 Almost all data in Blender are structures. Each struct saved
48 gets a BHead header.  With BHead the struct can be linked again
49 and compared with StructDNA .
50
51 WRITE
52
53 Preferred writing order: (not really a must, but why would you do it random?)
54 Any case: direct data is ALWAYS after the lib block
55
56 (Local file data)
57 - for each LibBlock
58         - write LibBlock
59         - write associated direct data
60 (External file data)
61 - per library
62         - write library block
63         - per LibBlock
64                 - write the ID of LibBlock
65 - write FileGlobal (some global vars)
66 - write SDNA
67 - write USER if filename is ~/.B.blend
68 */
69
70
71 #ifdef HAVE_CONFIG_H
72 #include <config.h>
73 #endif
74
75 #include <math.h>
76 #include <fcntl.h>
77 #include <stdio.h>
78 #include <string.h>
79 #include <stdlib.h>
80
81 #include "zlib.h"
82
83 #ifndef WIN32
84 #include <unistd.h>
85 #else
86 #include "winsock2.h"
87 #include <io.h>
88 #include <process.h> // for getpid
89 #include "BLI_winstuff.h"
90 #endif
91
92 #include "DNA_anim_types.h"
93 #include "DNA_armature_types.h"
94 #include "DNA_action_types.h"
95 #include "DNA_actuator_types.h"
96 #include "DNA_boid_types.h"
97 #include "DNA_brush_types.h"
98 #include "DNA_camera_types.h"
99 #include "DNA_cloth_types.h"
100 #include "DNA_color_types.h"
101 #include "DNA_constraint_types.h"
102 #include "DNA_controller_types.h"
103 #include "DNA_curve_types.h"
104 #include "DNA_customdata_types.h"
105 #include "DNA_effect_types.h"
106 #include "DNA_genfile.h"
107 #include "DNA_group_types.h"
108 #include "DNA_gpencil_types.h"
109 #include "DNA_image_types.h"
110 #include "DNA_ipo_types.h"      // XXX depreceated - animsys
111 #include "DNA_fileglobal_types.h"
112 #include "DNA_key_types.h"
113 #include "DNA_lattice_types.h"
114 #include "DNA_listBase.h" /* for Listbase, the type of samples, ...*/
115 #include "DNA_lamp_types.h"
116 #include "DNA_meta_types.h"
117 #include "DNA_mesh_types.h"
118 #include "DNA_meshdata_types.h"
119 #include "DNA_material_types.h"
120 #include "DNA_modifier_types.h"
121 #include "DNA_nla_types.h"
122 #include "DNA_node_types.h"
123 #include "DNA_object_types.h"
124 #include "DNA_object_force.h"
125 #include "DNA_outliner_types.h"
126 #include "DNA_packedFile_types.h"
127 #include "DNA_particle_types.h"
128 #include "DNA_property_types.h"
129 #include "DNA_scene_types.h"
130 #include "DNA_sdna_types.h"
131 #include "DNA_sequence_types.h"
132 #include "DNA_sensor_types.h"
133 #include "DNA_smoke_types.h"
134 #include "DNA_space_types.h"
135 #include "DNA_screen_types.h"
136 #include "DNA_sound_types.h"
137 #include "DNA_texture_types.h"
138 #include "DNA_text_types.h"
139 #include "DNA_view3d_types.h"
140 #include "DNA_vfont_types.h"
141 #include "DNA_userdef_types.h"
142 #include "DNA_world_types.h"
143 #include "DNA_windowmanager_types.h"
144
145 #include "MEM_guardedalloc.h" // MEM_freeN
146 #include "BLI_blenlib.h"
147 #include "BLI_linklist.h"
148 #include "BLI_bpath.h"
149
150 #include "BKE_action.h"
151 #include "BKE_blender.h"
152 #include "BKE_cloth.h"
153 #include "BKE_curve.h"
154 #include "BKE_customdata.h"
155 #include "BKE_constraint.h"
156 #include "BKE_global.h" // for G
157 #include "BKE_library.h" // for  set_listbasepointers
158 #include "BKE_main.h"
159 #include "BKE_node.h"
160 #include "BKE_packedFile.h" // for packAll
161 #include "BKE_pointcache.h"
162 #include "BKE_report.h"
163 #include "BKE_screen.h" // for waitcursor
164 #include "BKE_sequencer.h"
165 #include "BKE_sound.h" /* ... and for samples */
166 #include "BKE_utildefines.h" // for defines
167 #include "BKE_modifier.h"
168 #include "BKE_idprop.h"
169 #include "BKE_fcurve.h"
170
171 #include "BLO_writefile.h"
172 #include "BLO_readfile.h"
173 #include "BLO_undofile.h"
174
175 #include "readfile.h"
176
177 #include <errno.h>
178
179 /* ********* my write, buffered writing with minimum size chunks ************ */
180
181 #define MYWRITE_BUFFER_SIZE     100000
182 #define MYWRITE_MAX_CHUNK       32768
183
184 typedef struct {
185         struct SDNA *sdna;
186
187         int file;
188         unsigned char *buf;
189         MemFile *compare, *current;
190         
191         int tot, count, error, memsize;
192 } WriteData;
193
194 static WriteData *writedata_new(int file)
195 {
196         WriteData *wd= MEM_callocN(sizeof(*wd), "writedata");
197
198                 /* XXX, see note about this in readfile.c, remove
199                  * once we have an xp lock - zr
200                  */
201
202         if (wd == NULL) return NULL;
203
204         wd->sdna= DNA_sdna_from_data(DNAstr, DNAlen, 0);
205
206         wd->file= file;
207
208         wd->buf= MEM_mallocN(MYWRITE_BUFFER_SIZE, "wd->buf");
209
210         return wd;
211 }
212
213 static void writedata_do_write(WriteData *wd, void *mem, int memlen)
214 {
215         if ((wd == NULL) || wd->error || (mem == NULL) || memlen < 1) return;
216         if (wd->error) return;
217
218         /* memory based save */
219         if(wd->current) {
220                 add_memfilechunk(NULL, wd->current, mem, memlen);
221         }
222         else {
223                 if (write(wd->file, mem, memlen) != memlen)
224                         wd->error= 1;
225                 
226         }
227 }
228
229 static void writedata_free(WriteData *wd)
230 {
231         DNA_sdna_free(wd->sdna);
232
233         MEM_freeN(wd->buf);
234         MEM_freeN(wd);
235 }
236
237 /***/
238
239 int mywfile;
240
241 /**
242  * Low level WRITE(2) wrapper that buffers data
243  * @param adr Pointer to new chunk of data
244  * @param len Length of new chunk of data
245  * @warning Talks to other functions with global parameters
246  */
247  
248 #define MYWRITE_FLUSH           NULL
249
250 static void mywrite( WriteData *wd, void *adr, int len)
251 {
252         if (wd->error) return;
253
254         /* flush helps compression for undo-save */
255         if(adr==MYWRITE_FLUSH) {
256                 if(wd->count) {
257                         writedata_do_write(wd, wd->buf, wd->count);
258                         wd->count= 0;
259                 }
260                 return;
261         }
262
263         wd->tot+= len;
264         
265         /* if we have a single big chunk, write existing data in
266          * buffer and write out big chunk in smaller pieces */
267         if(len>MYWRITE_MAX_CHUNK) {
268                 if(wd->count) {
269                         writedata_do_write(wd, wd->buf, wd->count);
270                         wd->count= 0;
271                 }
272
273                 do {
274                         int writelen= MIN2(len, MYWRITE_MAX_CHUNK);
275                         writedata_do_write(wd, adr, writelen);
276                         adr = (char*)adr + writelen;
277                         len -= writelen;
278                 } while(len > 0);
279
280                 return;
281         }
282
283         /* if data would overflow buffer, write out the buffer */
284         if(len+wd->count>MYWRITE_BUFFER_SIZE-1) {
285                 writedata_do_write(wd, wd->buf, wd->count);
286                 wd->count= 0;
287         }
288
289         /* append data at end of buffer */
290         memcpy(&wd->buf[wd->count], adr, len);
291         wd->count+= len;
292 }
293
294 /**
295  * BeGiN initializer for mywrite
296  * @param file File descriptor
297  * @param write_flags Write parameters
298  * @warning Talks to other functions with global parameters
299  */
300 static WriteData *bgnwrite(int file, MemFile *compare, MemFile *current, int write_flags)
301 {
302         WriteData *wd= writedata_new(file);
303
304         if (wd == NULL) return NULL;
305
306         wd->compare= compare;
307         wd->current= current;
308         /* this inits comparing */
309         add_memfilechunk(compare, NULL, NULL, 0);
310         
311         return wd;
312 }
313
314 /**
315  * END the mywrite wrapper
316  * @return 1 if write failed
317  * @return unknown global variable otherwise
318  * @warning Talks to other functions with global parameters
319  */
320 static int endwrite(WriteData *wd)
321 {
322         int err;
323
324         if (wd->count) {
325                 writedata_do_write(wd, wd->buf, wd->count);
326                 wd->count= 0;
327         }
328         
329         err= wd->error;
330         writedata_free(wd);
331
332         return err;
333 }
334
335 /* ********** WRITE FILE ****************** */
336
337 static void writestruct(WriteData *wd, int filecode, char *structname, int nr, void *adr)
338 {
339         BHead bh;
340         short *sp;
341
342         if(adr==NULL || nr==0) return;
343
344         /* init BHead */
345         bh.code= filecode;
346         bh.old= adr;
347         bh.nr= nr;
348
349         bh.SDNAnr= DNA_struct_find_nr(wd->sdna, structname);
350         if(bh.SDNAnr== -1) {
351                 printf("error: can't find SDNA code <%s>\n", structname);
352                 return;
353         }
354         sp= wd->sdna->structs[bh.SDNAnr];
355
356         bh.len= nr*wd->sdna->typelens[sp[0]];
357
358         if(bh.len==0) return;
359
360         mywrite(wd, &bh, sizeof(BHead));
361         mywrite(wd, adr, bh.len);
362 }
363
364 static void writedata(WriteData *wd, int filecode, int len, void *adr)  /* do not use for structs */
365 {
366         BHead bh;
367
368         if(adr==0) return;
369         if(len==0) return;
370
371         len+= 3;
372         len-= ( len % 4);
373
374         /* init BHead */
375         bh.code= filecode;
376         bh.old= adr;
377         bh.nr= 1;
378         bh.SDNAnr= 0;
379         bh.len= len;
380
381         mywrite(wd, &bh, sizeof(BHead));
382         if(len) mywrite(wd, adr, len);
383 }
384
385 /* *************** writing some direct data structs used in more code parts **************** */
386 /*These functions are used by blender's .blend system for file saving/loading.*/
387 void IDP_WriteProperty_OnlyData(IDProperty *prop, void *wd);
388 void IDP_WriteProperty(IDProperty *prop, void *wd);
389 static void write_animdata(WriteData *wd, AnimData *adt); // XXX code needs reshuffling, but not before NLA SoC is merged back into 2.5
390
391 static void IDP_WriteArray(IDProperty *prop, void *wd)
392 {
393         /*REMEMBER to set totalen to len in the linking code!!*/
394         if (prop->data.pointer) {
395                 writedata(wd, DATA, MEM_allocN_len(prop->data.pointer), prop->data.pointer);
396
397                 if(prop->subtype == IDP_GROUP) {
398                         IDProperty **array= prop->data.pointer;
399                         int a;
400
401                         for(a=0; a<prop->len; a++)
402                                 IDP_WriteProperty(array[a], wd);
403                 }
404         }
405 }
406
407 static void IDP_WriteIDPArray(IDProperty *prop, void *wd)
408 {
409         /*REMEMBER to set totalen to len in the linking code!!*/
410         if (prop->data.pointer) {
411                 IDProperty *array = prop->data.pointer;
412                 int a;
413
414                 writestruct(wd, DATA, "IDProperty", prop->len, array);
415
416                 for(a=0; a<prop->len; a++)
417                         IDP_WriteProperty_OnlyData(&array[a], wd);
418         }
419 }
420
421 static void IDP_WriteString(IDProperty *prop, void *wd)
422 {
423         /*REMEMBER to set totalen to len in the linking code!!*/
424         writedata(wd, DATA, prop->len+1, prop->data.pointer);
425 }
426
427 static void IDP_WriteGroup(IDProperty *prop, void *wd)
428 {
429         IDProperty *loop;
430
431         for (loop=prop->data.group.first; loop; loop=loop->next) {
432                 IDP_WriteProperty(loop, wd);
433         }
434 }
435
436 /* Functions to read/write ID Properties */
437 void IDP_WriteProperty_OnlyData(IDProperty *prop, void *wd)
438 {
439         switch (prop->type) {
440                 case IDP_GROUP:
441                         IDP_WriteGroup(prop, wd);
442                         break;
443                 case IDP_STRING:
444                         IDP_WriteString(prop, wd);
445                         break;
446                 case IDP_ARRAY:
447                         IDP_WriteArray(prop, wd);
448                         break;
449                 case IDP_IDPARRAY:
450                         IDP_WriteIDPArray(prop, wd);
451                         break;
452         }
453 }
454
455 void IDP_WriteProperty(IDProperty *prop, void *wd)
456 {
457         writestruct(wd, DATA, "IDProperty", 1, prop);
458         IDP_WriteProperty_OnlyData(prop, wd);
459 }
460
461 static void write_curvemapping(WriteData *wd, CurveMapping *cumap)
462 {
463         int a;
464         
465         writestruct(wd, DATA, "CurveMapping", 1, cumap);
466         for(a=0; a<CM_TOT; a++)
467                 writestruct(wd, DATA, "CurveMapPoint", cumap->cm[a].totpoint, cumap->cm[a].curve);
468 }
469
470 /* this is only direct data, tree itself should have been written */
471 static void write_nodetree(WriteData *wd, bNodeTree *ntree)
472 {
473         bNode *node;
474         bNodeSocket *sock;
475         bNodeLink *link;
476         
477         /* for link_list() speed, we write per list */
478         
479         if(ntree->adt) write_animdata(wd, ntree->adt);
480         
481         for(node= ntree->nodes.first; node; node= node->next)
482                 writestruct(wd, DATA, "bNode", 1, node);
483
484         for(node= ntree->nodes.first; node; node= node->next) {
485                 if(node->storage && node->type!=NODE_DYNAMIC) {
486                         /* could be handlerized at some point, now only 1 exception still */
487                         if(ntree->type==NTREE_SHADER && (node->type==SH_NODE_CURVE_VEC || node->type==SH_NODE_CURVE_RGB))
488                                 write_curvemapping(wd, node->storage);
489                         else if(ntree->type==NTREE_COMPOSIT && ELEM4(node->type, CMP_NODE_TIME, CMP_NODE_CURVE_VEC, CMP_NODE_CURVE_RGB, CMP_NODE_HUECORRECT))
490                                 write_curvemapping(wd, node->storage);
491                         else if(ntree->type==NTREE_TEXTURE && (node->type==TEX_NODE_CURVE_RGB || node->type==TEX_NODE_CURVE_TIME) )
492                                 write_curvemapping(wd, node->storage);
493                         else 
494                                 writestruct(wd, DATA, node->typeinfo->storagename, 1, node->storage);
495                 }
496                 for(sock= node->inputs.first; sock; sock= sock->next)
497                         writestruct(wd, DATA, "bNodeSocket", 1, sock);
498                 for(sock= node->outputs.first; sock; sock= sock->next)
499                         writestruct(wd, DATA, "bNodeSocket", 1, sock);
500         }
501         
502         for(link= ntree->links.first; link; link= link->next)
503                 writestruct(wd, DATA, "bNodeLink", 1, link);
504 }
505
506 static void current_screen_compat(Main *mainvar, bScreen **screen)
507 {
508         wmWindowManager *wm;
509         wmWindow *window;
510
511         /* find a global current screen in the first open window, to have
512          * a reasonable default for reading in older versions */
513         wm= mainvar->wm.first;
514         window= (wm)? wm->windows.first: NULL;
515         *screen= (window)? window->screen: NULL;
516 }
517
518 static void write_renderinfo(WriteData *wd, Main *mainvar)              /* for renderdeamon */
519 {
520         bScreen *curscreen;
521         Scene *sce;
522         int data[8];
523
524         /* XXX in future, handle multiple windows with multiple screnes? */
525         current_screen_compat(mainvar, &curscreen);
526
527         for(sce= mainvar->scene.first; sce; sce= sce->id.next) {
528                 if(sce->id.lib==NULL  && ( sce==curscreen->scene || (sce->r.scemode & R_BG_RENDER)) ) {
529                         data[0]= sce->r.sfra;
530                         data[1]= sce->r.efra;
531
532                         memset(data+2, 0, sizeof(int)*6);
533                         strncpy((char *)(data+2), sce->id.name+2, 21);
534
535                         writedata(wd, REND, 32, data);
536                 }
537         }
538 }
539
540 static void write_userdef(WriteData *wd)
541 {
542         bTheme *btheme;
543         wmKeyMap *keymap;
544         wmKeyMapItem *kmi;
545         bAddon *bext;
546
547         writestruct(wd, USER, "UserDef", 1, &U);
548
549         for(btheme= U.themes.first; btheme; btheme=btheme->next)
550                 writestruct(wd, DATA, "bTheme", 1, btheme);
551
552         for(keymap= U.keymaps.first; keymap; keymap=keymap->next) {
553                 writestruct(wd, DATA, "wmKeyMap", 1, keymap);
554
555                 for(kmi=keymap->items.first; kmi; kmi=kmi->next) {
556                         writestruct(wd, DATA, "wmKeyMapItem", 1, kmi);
557
558                         if(kmi->properties)
559                                 IDP_WriteProperty(kmi->properties, wd);
560                 }
561         }
562
563         for(bext= U.addons.first; bext; bext=bext->next)
564                 writestruct(wd, DATA, "bAddon", 1, bext);
565 }
566
567 static void write_boid_state(WriteData *wd, BoidState *state)
568 {
569         BoidRule *rule = state->rules.first;
570         //BoidCondition *cond = state->conditions.first;
571
572         writestruct(wd, DATA, "BoidState", 1, state);
573
574         for(; rule; rule=rule->next) {
575                 switch(rule->type) {
576                         case eBoidRuleType_Goal:
577                         case eBoidRuleType_Avoid:
578                                 writestruct(wd, DATA, "BoidRuleGoalAvoid", 1, rule);
579                                 break;
580                         case eBoidRuleType_AvoidCollision:
581                                 writestruct(wd, DATA, "BoidRuleAvoidCollision", 1, rule);
582                                 break;
583                         case eBoidRuleType_FollowLeader:
584                                 writestruct(wd, DATA, "BoidRuleFollowLeader", 1, rule);
585                                 break;
586                         case eBoidRuleType_AverageSpeed:
587                                 writestruct(wd, DATA, "BoidRuleAverageSpeed", 1, rule);
588                                 break;
589                         case eBoidRuleType_Fight:
590                                 writestruct(wd, DATA, "BoidRuleFight", 1, rule);
591                                 break;
592                         default:
593                                 writestruct(wd, DATA, "BoidRule", 1, rule);
594                                 break;
595                 }
596         }
597         //for(; cond; cond=cond->next)
598         //      writestruct(wd, DATA, "BoidCondition", 1, cond);
599 }
600 /* TODO: replace *cache with *cachelist once it's coded */
601 #define PTCACHE_WRITE_PSYS      0
602 #define PTCACHE_WRITE_CLOTH     1
603 static void write_pointcaches(WriteData *wd, ListBase *ptcaches)
604 {
605         PointCache *cache = ptcaches->first;
606         int i;
607
608         for(; cache; cache=cache->next) {
609                 writestruct(wd, DATA, "PointCache", 1, cache);
610
611                 if((cache->flag & PTCACHE_DISK_CACHE)==0) {
612                         PTCacheMem *pm = cache->mem_cache.first;
613
614                         for(; pm; pm=pm->next) {
615                                 writestruct(wd, DATA, "PTCacheMem", 1, pm);
616                                 if(pm->index_array)
617                                         writedata(wd, DATA, MEM_allocN_len(pm->index_array), pm->index_array);
618                                 
619                                 for(i=0; i<BPHYS_TOT_DATA; i++) {
620                                         if(pm->data[i] && pm->data_types & (1<<i))
621                                                 writedata(wd, DATA, MEM_allocN_len(pm->data[i]), pm->data[i]);
622                                 }
623                         }
624                 }
625         }
626 }
627 static void write_particlesettings(WriteData *wd, ListBase *idbase)
628 {
629         ParticleSettings *part;
630         ParticleDupliWeight *dw;
631
632         part= idbase->first;
633         while(part) {
634                 if(part->id.us>0 || wd->current) {
635                         /* write LibData */
636                         writestruct(wd, ID_PA, "ParticleSettings", 1, part);
637                         if (part->id.properties) IDP_WriteProperty(part->id.properties, wd);
638                         if (part->adt) write_animdata(wd, part->adt);
639                         writestruct(wd, DATA, "PartDeflect", 1, part->pd);
640                         writestruct(wd, DATA, "PartDeflect", 1, part->pd2);
641                         writestruct(wd, DATA, "EffectorWeights", 1, part->effector_weights);
642
643                         dw = part->dupliweights.first;
644                         for(; dw; dw=dw->next)
645                                 writestruct(wd, DATA, "ParticleDupliWeight", 1, dw);
646
647                         if(part->boids && part->phystype == PART_PHYS_BOIDS) {
648                                 BoidState *state = part->boids->states.first;
649
650                                 writestruct(wd, DATA, "BoidSettings", 1, part->boids);
651
652                                 for(; state; state=state->next)
653                                         write_boid_state(wd, state);
654                         }
655                 }
656                 part= part->id.next;
657         }
658 }
659 static void write_particlesystems(WriteData *wd, ListBase *particles)
660 {
661         ParticleSystem *psys= particles->first;
662         ParticleTarget *pt;
663         int a;
664
665         for(; psys; psys=psys->next) {
666                 writestruct(wd, DATA, "ParticleSystem", 1, psys);
667
668                 if(psys->particles) {
669                         writestruct(wd, DATA, "ParticleData", psys->totpart ,psys->particles);
670
671                         if(psys->particles->hair) {
672                                 ParticleData *pa = psys->particles;
673
674                                 for(a=0; a<psys->totpart; a++, pa++)
675                                         writestruct(wd, DATA, "HairKey", pa->totkey, pa->hair);
676                         }
677
678                         if(psys->particles->boid && psys->part->phystype == PART_PHYS_BOIDS)
679                                 writestruct(wd, DATA, "BoidParticle", psys->totpart, psys->particles->boid);
680                 }
681                 pt = psys->targets.first;
682                 for(; pt; pt=pt->next)
683                         writestruct(wd, DATA, "ParticleTarget", 1, pt);
684
685                 if(psys->child) writestruct(wd, DATA, "ChildParticle", psys->totchild ,psys->child);
686
687                 if(psys->clmd) {
688                         writestruct(wd, DATA, "ClothModifierData", 1, psys->clmd);
689                         writestruct(wd, DATA, "ClothSimSettings", 1, psys->clmd->sim_parms);
690                         writestruct(wd, DATA, "ClothCollSettings", 1, psys->clmd->coll_parms);
691                 }
692                 
693                 write_pointcaches(wd, &psys->ptcaches);
694         }
695 }
696
697 static void write_properties(WriteData *wd, ListBase *lb)
698 {
699         bProperty *prop;
700
701         prop= lb->first;
702         while(prop) {
703                 writestruct(wd, DATA, "bProperty", 1, prop);
704
705                 if(prop->poin && prop->poin != &prop->data)
706                         writedata(wd, DATA, MEM_allocN_len(prop->poin), prop->poin);
707
708                 prop= prop->next;
709         }
710 }
711
712 static void write_sensors(WriteData *wd, ListBase *lb)
713 {
714         bSensor *sens;
715
716         sens= lb->first;
717         while(sens) {
718                 writestruct(wd, DATA, "bSensor", 1, sens);
719
720                 writedata(wd, DATA, sizeof(void *)*sens->totlinks, sens->links);
721
722                 switch(sens->type) {
723                 case SENS_NEAR:
724                         writestruct(wd, DATA, "bNearSensor", 1, sens->data);
725                         break;
726                 case SENS_MOUSE:
727                         writestruct(wd, DATA, "bMouseSensor", 1, sens->data);
728                         break;
729                 case SENS_TOUCH:
730                         writestruct(wd, DATA, "bTouchSensor", 1, sens->data);
731                         break;
732                 case SENS_KEYBOARD:
733                         writestruct(wd, DATA, "bKeyboardSensor", 1, sens->data);
734                         break;
735                 case SENS_PROPERTY:
736                         writestruct(wd, DATA, "bPropertySensor", 1, sens->data);
737                         break;
738                 case SENS_ARMATURE:
739                         writestruct(wd, DATA, "bArmatureSensor", 1, sens->data);
740                         break;
741                 case SENS_ACTUATOR:
742                         writestruct(wd, DATA, "bActuatorSensor", 1, sens->data);
743                         break;
744                 case SENS_DELAY:
745                         writestruct(wd, DATA, "bDelaySensor", 1, sens->data);
746                         break;
747                 case SENS_COLLISION:
748                         writestruct(wd, DATA, "bCollisionSensor", 1, sens->data);
749                         break;
750                 case SENS_RADAR:
751                         writestruct(wd, DATA, "bRadarSensor", 1, sens->data);
752                         break;
753                 case SENS_RANDOM:
754                         writestruct(wd, DATA, "bRandomSensor", 1, sens->data);
755                         break;
756                 case SENS_RAY:
757                         writestruct(wd, DATA, "bRaySensor", 1, sens->data);
758                         break;
759                 case SENS_MESSAGE:
760                         writestruct(wd, DATA, "bMessageSensor", 1, sens->data);
761                         break;
762                 case SENS_JOYSTICK:
763                         writestruct(wd, DATA, "bJoystickSensor", 1, sens->data);
764                         break;
765                 default:
766                         ; /* error: don't know how to write this file */
767                 }
768
769                 sens= sens->next;
770         }
771 }
772
773 static void write_controllers(WriteData *wd, ListBase *lb)
774 {
775         bController *cont;
776
777         cont= lb->first;
778         while(cont) {
779                 writestruct(wd, DATA, "bController", 1, cont);
780
781                 writedata(wd, DATA, sizeof(void *)*cont->totlinks, cont->links);
782
783                 switch(cont->type) {
784                 case CONT_EXPRESSION:
785                         writestruct(wd, DATA, "bExpressionCont", 1, cont->data);
786                         break;
787                 case CONT_PYTHON:
788                         writestruct(wd, DATA, "bPythonCont", 1, cont->data);
789                         break;
790                 default:
791                         ; /* error: don't know how to write this file */
792                 }
793
794                 cont= cont->next;
795         }
796 }
797
798 static void write_actuators(WriteData *wd, ListBase *lb)
799 {
800         bActuator *act;
801
802         act= lb->first;
803         while(act) {
804                 writestruct(wd, DATA, "bActuator", 1, act);
805
806                 switch(act->type) {
807                 case ACT_ACTION:
808                 case ACT_SHAPEACTION:
809                         writestruct(wd, DATA, "bActionActuator", 1, act->data);
810                         break;
811                 case ACT_SOUND:
812                         writestruct(wd, DATA, "bSoundActuator", 1, act->data);
813                         break;
814                 case ACT_OBJECT:
815                         writestruct(wd, DATA, "bObjectActuator", 1, act->data);
816                         break;
817                 case ACT_IPO:
818                         writestruct(wd, DATA, "bIpoActuator", 1, act->data);
819                         break;
820                 case ACT_PROPERTY:
821                         writestruct(wd, DATA, "bPropertyActuator", 1, act->data);
822                         break;
823                 case ACT_CAMERA:
824                         writestruct(wd, DATA, "bCameraActuator", 1, act->data);
825                         break;
826                 case ACT_CONSTRAINT:
827                         writestruct(wd, DATA, "bConstraintActuator", 1, act->data);
828                         break;
829                 case ACT_EDIT_OBJECT:
830                         writestruct(wd, DATA, "bEditObjectActuator", 1, act->data);
831                         break;
832                 case ACT_SCENE:
833                         writestruct(wd, DATA, "bSceneActuator", 1, act->data);
834                         break;
835                 case ACT_GROUP:
836                         writestruct(wd, DATA, "bGroupActuator", 1, act->data);
837                         break;
838                 case ACT_RANDOM:
839                         writestruct(wd, DATA, "bRandomActuator", 1, act->data);
840                         break;
841                 case ACT_MESSAGE:
842                         writestruct(wd, DATA, "bMessageActuator", 1, act->data);
843                         break;
844                 case ACT_GAME:
845                         writestruct(wd, DATA, "bGameActuator", 1, act->data);
846                         break;
847                 case ACT_VISIBILITY:
848                         writestruct(wd, DATA, "bVisibilityActuator", 1, act->data);
849                         break;
850                 case ACT_2DFILTER:
851                         writestruct(wd, DATA, "bTwoDFilterActuator", 1, act->data);
852                         break;
853                 case ACT_PARENT:
854                         writestruct(wd, DATA, "bParentActuator", 1, act->data);
855                         break;
856                 case ACT_STATE:
857                         writestruct(wd, DATA, "bStateActuator", 1, act->data);
858                         break;
859                 case ACT_ARMATURE:
860                         writestruct(wd, DATA, "bArmatureActuator", 1, act->data);
861                         break;
862                 default:
863                         ; /* error: don't know how to write this file */
864                 }
865
866                 act= act->next;
867         }
868 }
869
870 static void write_fmodifiers(WriteData *wd, ListBase *fmodifiers)
871 {
872         FModifier *fcm;
873         
874         /* Modifiers */
875         for (fcm= fmodifiers->first; fcm; fcm= fcm->next) {
876                 FModifierTypeInfo *fmi= fmodifier_get_typeinfo(fcm);
877                 
878                 /* Write the specific data */
879                 if (fmi && fcm->data) {
880                         /* firstly, just write the plain fmi->data struct */
881                         writestruct(wd, DATA, fmi->structName, 1, fcm->data);
882                         
883                         /* do any modifier specific stuff */
884                         switch (fcm->type) {
885                                 case FMODIFIER_TYPE_GENERATOR:
886                                 {
887                                         FMod_Generator *data= (FMod_Generator *)fcm->data;
888                                         
889                                         /* write coefficients array */
890                                         if (data->coefficients)
891                                                 writedata(wd, DATA, sizeof(float)*(data->arraysize), data->coefficients);
892                                 }
893                                         break;
894                                 case FMODIFIER_TYPE_ENVELOPE:
895                                 {
896                                         FMod_Envelope *data= (FMod_Envelope *)fcm->data;
897                                         
898                                         /* write envelope data */
899                                         if (data->data)
900                                                 writedata(wd, DATA, sizeof(FCM_EnvelopeData)*(data->totvert), data->data);
901                                 }
902                                         break;
903                                 case FMODIFIER_TYPE_PYTHON:
904                                 {
905                                         FMod_Python *data = (FMod_Python *)fcm->data;
906                                         
907                                         /* Write ID Properties -- and copy this comment EXACTLY for easy finding
908                                          of library blocks that implement this.*/
909                                         IDP_WriteProperty(data->prop, wd);
910                                 }
911                                         break;
912                         }
913                 }
914                 
915                 /* Write the modifier */
916                 writestruct(wd, DATA, "FModifier", 1, fcm);
917         }
918 }
919
920 static void write_fcurves(WriteData *wd, ListBase *fcurves)
921 {
922         FCurve *fcu;
923         
924         for (fcu=fcurves->first; fcu; fcu=fcu->next) {
925                 /* F-Curve */
926                 writestruct(wd, DATA, "FCurve", 1, fcu);
927                 
928                 /* curve data */
929                 if (fcu->bezt)          
930                         writestruct(wd, DATA, "BezTriple", fcu->totvert, fcu->bezt);
931                 if (fcu->fpt)
932                         writestruct(wd, DATA, "FPoint", fcu->totvert, fcu->fpt);
933                         
934                 if (fcu->rna_path)
935                         writedata(wd, DATA, strlen(fcu->rna_path)+1, fcu->rna_path);
936                 
937                 /* driver data */
938                 if (fcu->driver) {
939                         ChannelDriver *driver= fcu->driver;
940                         DriverVar *dvar;
941                         
942                         writestruct(wd, DATA, "ChannelDriver", 1, driver);
943                         
944                         /* variables */
945                         for (dvar= driver->variables.first; dvar; dvar= dvar->next) {
946                                 writestruct(wd, DATA, "DriverVar", 1, dvar);
947                                 
948                                 DRIVER_TARGETS_USED_LOOPER(dvar)
949                                 {
950                                         if (dtar->rna_path)
951                                                 writedata(wd, DATA, strlen(dtar->rna_path)+1, dtar->rna_path);
952                                 }
953                                 DRIVER_TARGETS_LOOPER_END
954                         }
955                 }
956                 
957                 /* write F-Modifiers */
958                 write_fmodifiers(wd, &fcu->modifiers);
959         }
960 }
961
962 static void write_actions(WriteData *wd, ListBase *idbase)
963 {
964         bAction *act;
965         bActionGroup *grp;
966         TimeMarker *marker;
967         
968         for(act=idbase->first; act; act= act->id.next) {
969                 if (act->id.us>0 || wd->current) {
970                         writestruct(wd, ID_AC, "bAction", 1, act);
971                         if (act->id.properties) IDP_WriteProperty(act->id.properties, wd);
972                         
973                         write_fcurves(wd, &act->curves);
974                         
975                         for (grp=act->groups.first; grp; grp=grp->next) {
976                                 writestruct(wd, DATA, "bActionGroup", 1, grp);
977                         }
978                         
979                         for (marker=act->markers.first; marker; marker=marker->next) {
980                                 writestruct(wd, DATA, "TimeMarker", 1, marker);
981                         }
982                 }
983         }
984         
985         /* flush helps the compression for undo-save */
986         mywrite(wd, MYWRITE_FLUSH, 0);
987 }
988
989 static void write_keyingsets(WriteData *wd, ListBase *list)
990 {
991         KeyingSet *ks;
992         KS_Path *ksp;
993         
994         for (ks= list->first; ks; ks= ks->next) {
995                 /* KeyingSet */
996                 writestruct(wd, DATA, "KeyingSet", 1, ks);
997                 
998                 /* Paths */
999                 for (ksp= ks->paths.first; ksp; ksp= ksp->next) {
1000                         /* Path */
1001                         writestruct(wd, DATA, "KS_Path", 1, ksp);
1002                         
1003                         if (ksp->rna_path)
1004                                 writedata(wd, DATA, strlen(ksp->rna_path)+1, ksp->rna_path);
1005                 }
1006         }
1007 }
1008
1009 static void write_nlastrips(WriteData *wd, ListBase *strips)
1010 {
1011         NlaStrip *strip;
1012         
1013         for (strip= strips->first; strip; strip= strip->next) {
1014                 /* write the strip first */
1015                 writestruct(wd, DATA, "NlaStrip", 1, strip);
1016                 
1017                 /* write the strip's F-Curves and modifiers */
1018                 write_fcurves(wd, &strip->fcurves);
1019                 write_fmodifiers(wd, &strip->modifiers);
1020                 
1021                 /* write the strip's children */
1022                 write_nlastrips(wd, &strip->strips);
1023         }
1024 }
1025
1026 static void write_nladata(WriteData *wd, ListBase *nlabase)
1027 {
1028         NlaTrack *nlt;
1029         
1030         /* write all the tracks */
1031         for (nlt= nlabase->first; nlt; nlt= nlt->next) {
1032                 /* write the track first */
1033                 writestruct(wd, DATA, "NlaTrack", 1, nlt);
1034                 
1035                 /* write the track's strips */
1036                 write_nlastrips(wd, &nlt->strips);
1037         }
1038 }
1039
1040 static void write_animdata(WriteData *wd, AnimData *adt)
1041 {
1042         AnimOverride *aor;
1043         
1044         /* firstly, just write the AnimData block */
1045         writestruct(wd, DATA, "AnimData", 1, adt);
1046         
1047         /* write drivers */
1048         write_fcurves(wd, &adt->drivers);
1049         
1050         /* write overrides */
1051         // FIXME: are these needed?
1052         for (aor= adt->overrides.first; aor; aor= aor->next) {
1053                 /* overrides consist of base data + rna_path */
1054                 writestruct(wd, DATA, "AnimOverride", 1, aor);
1055                 writedata(wd, DATA, strlen(aor->rna_path)+1, aor->rna_path);
1056         }
1057         
1058         // TODO write the remaps (if they are needed)
1059         
1060         /* write NLA data */
1061         write_nladata(wd, &adt->nla_tracks);
1062 }
1063
1064 static void write_motionpath(WriteData *wd, bMotionPath *mpath)
1065 {
1066         /* sanity checks */
1067         if (mpath == NULL)
1068                 return;
1069         
1070         /* firstly, just write the motionpath struct */
1071         writestruct(wd, DATA, "bMotionPath", 1, mpath);
1072         
1073         /* now write the array of data */
1074         writestruct(wd, DATA, "bMotionPathVert", mpath->length, mpath->points);
1075 }
1076
1077 static void write_constraints(WriteData *wd, ListBase *conlist)
1078 {
1079         bConstraint *con;
1080
1081         for (con=conlist->first; con; con=con->next) {
1082                 bConstraintTypeInfo *cti= constraint_get_typeinfo(con);
1083                 
1084                 /* Write the specific data */
1085                 if (cti && con->data) {
1086                         /* firstly, just write the plain con->data struct */
1087                         writestruct(wd, DATA, cti->structName, 1, con->data);
1088                         
1089                         /* do any constraint specific stuff */
1090                         switch (con->type) {
1091                                 case CONSTRAINT_TYPE_PYTHON:
1092                                 {
1093                                         bPythonConstraint *data = (bPythonConstraint *)con->data;
1094                                         bConstraintTarget *ct;
1095                                         
1096                                         /* write targets */
1097                                         for (ct= data->targets.first; ct; ct= ct->next)
1098                                                 writestruct(wd, DATA, "bConstraintTarget", 1, ct);
1099                                         
1100                                         /* Write ID Properties -- and copy this comment EXACTLY for easy finding
1101                                          of library blocks that implement this.*/
1102                                         IDP_WriteProperty(data->prop, wd);
1103                                 }
1104                                         break;
1105                                 case CONSTRAINT_TYPE_SPLINEIK: 
1106                                 {
1107                                         bSplineIKConstraint *data= (bSplineIKConstraint*)con->data;
1108                                         
1109                                         /* write points array */
1110                                         writedata(wd, DATA, sizeof(float)*(data->numpoints), data->points);
1111                                 }
1112                                         break;
1113                         }
1114                 }
1115                 
1116                 /* Write the constraint */
1117                 writestruct(wd, DATA, "bConstraint", 1, con);
1118         }
1119 }
1120
1121 static void write_pose(WriteData *wd, bPose *pose)
1122 {
1123         bPoseChannel *chan;
1124         bActionGroup *grp;
1125
1126         /* Write each channel */
1127         if (!pose)
1128                 return;
1129
1130         /* Write channels */
1131         for (chan=pose->chanbase.first; chan; chan=chan->next) {
1132                 /* Write ID Properties -- and copy this comment EXACTLY for easy finding
1133                  of library blocks that implement this.*/
1134                 if (chan->prop)
1135                         IDP_WriteProperty(chan->prop, wd);
1136                 
1137                 write_constraints(wd, &chan->constraints);
1138                 
1139                 write_motionpath(wd, chan->mpath);
1140                 
1141                 /* prevent crashes with autosave, when a bone duplicated in editmode has not yet been assigned to its posechannel */
1142                 if (chan->bone) 
1143                         chan->selectflag= chan->bone->flag & BONE_SELECTED; /* gets restored on read, for library armatures */
1144                 
1145                 writestruct(wd, DATA, "bPoseChannel", 1, chan);
1146         }
1147         
1148         /* Write groups */
1149         for (grp=pose->agroups.first; grp; grp=grp->next) 
1150                 writestruct(wd, DATA, "bActionGroup", 1, grp);
1151
1152         /* write IK param */
1153         if (pose->ikparam) {
1154                 char *structname = (char *)get_ikparam_name(pose);
1155                 if (structname)
1156                         writestruct(wd, DATA, structname, 1, pose->ikparam);
1157         }
1158
1159         /* Write this pose */
1160         writestruct(wd, DATA, "bPose", 1, pose);
1161
1162 }
1163
1164 static void write_defgroups(WriteData *wd, ListBase *defbase)
1165 {
1166         bDeformGroup    *defgroup;
1167
1168         for (defgroup=defbase->first; defgroup; defgroup=defgroup->next)
1169                 writestruct(wd, DATA, "bDeformGroup", 1, defgroup);
1170 }
1171
1172 static void write_modifiers(WriteData *wd, ListBase *modbase)
1173 {
1174         ModifierData *md;
1175
1176         if (modbase == NULL) return;
1177         for (md=modbase->first; md; md= md->next) {
1178                 ModifierTypeInfo *mti = modifierType_getInfo(md->type);
1179                 if (mti == NULL) return;
1180                 
1181                 writestruct(wd, DATA, mti->structName, 1, md);
1182                         
1183                 if (md->type==eModifierType_Hook) {
1184                         HookModifierData *hmd = (HookModifierData*) md;
1185                         
1186                         writedata(wd, DATA, sizeof(int)*hmd->totindex, hmd->indexar);
1187                 }
1188                 else if(md->type==eModifierType_Cloth) {
1189                         ClothModifierData *clmd = (ClothModifierData*) md;
1190                         
1191                         writestruct(wd, DATA, "ClothSimSettings", 1, clmd->sim_parms);
1192                         writestruct(wd, DATA, "ClothCollSettings", 1, clmd->coll_parms);
1193                         writestruct(wd, DATA, "EffectorWeights", 1, clmd->sim_parms->effector_weights);
1194                         write_pointcaches(wd, &clmd->ptcaches);
1195                 } 
1196                 else if(md->type==eModifierType_Smoke) {
1197                         SmokeModifierData *smd = (SmokeModifierData*) md;
1198                         
1199                         if(smd->type & MOD_SMOKE_TYPE_DOMAIN)
1200                         {
1201                                 writestruct(wd, DATA, "SmokeDomainSettings", 1, smd->domain);
1202                                 writestruct(wd, DATA, "EffectorWeights", 1, smd->domain->effector_weights);
1203                         }
1204                         else if(smd->type & MOD_SMOKE_TYPE_FLOW)
1205                                 writestruct(wd, DATA, "SmokeFlowSettings", 1, smd->flow);
1206                         else if(smd->type & MOD_SMOKE_TYPE_COLL)
1207                                 writestruct(wd, DATA, "SmokeCollSettings", 1, smd->coll);
1208
1209                         if((smd->type & MOD_SMOKE_TYPE_DOMAIN) && smd->domain)
1210                         {
1211                                 write_pointcaches(wd, &(smd->domain->ptcaches[0]));
1212                                 write_pointcaches(wd, &(smd->domain->ptcaches[1]));
1213                         }
1214                 } 
1215                 else if(md->type==eModifierType_Fluidsim) {
1216                         FluidsimModifierData *fluidmd = (FluidsimModifierData*) md;
1217                         
1218                         writestruct(wd, DATA, "FluidsimSettings", 1, fluidmd->fss);
1219                 } 
1220                 else if (md->type==eModifierType_Collision) {
1221                         
1222                         /*
1223                         CollisionModifierData *collmd = (CollisionModifierData*) md;
1224                         // TODO: CollisionModifier should use pointcache 
1225                         // + have proper reset events before enabling this
1226                         writestruct(wd, DATA, "MVert", collmd->numverts, collmd->x);
1227                         writestruct(wd, DATA, "MVert", collmd->numverts, collmd->xnew);
1228                         writestruct(wd, DATA, "MFace", collmd->numfaces, collmd->mfaces);
1229                         */
1230                 }
1231                 else if (md->type==eModifierType_MeshDeform) {
1232                         MeshDeformModifierData *mmd = (MeshDeformModifierData*) md;
1233                         int size = mmd->dyngridsize;
1234
1235                         writedata(wd, DATA, sizeof(float)*mmd->totvert*mmd->totcagevert,
1236                                 mmd->bindweights);
1237                         writedata(wd, DATA, sizeof(float)*3*mmd->totcagevert,
1238                                 mmd->bindcos);
1239                         writestruct(wd, DATA, "MDefCell", size*size*size, mmd->dyngrid);
1240                         writestruct(wd, DATA, "MDefInfluence", mmd->totinfluence, mmd->dyninfluences);
1241                         writedata(wd, DATA, sizeof(int)*mmd->totvert, mmd->dynverts);
1242                 }
1243         }
1244 }
1245
1246 static void write_objects(WriteData *wd, ListBase *idbase)
1247 {
1248         Object *ob;
1249         
1250         ob= idbase->first;
1251         while(ob) {
1252                 if(ob->id.us>0 || wd->current) {
1253                         /* write LibData */
1254                         writestruct(wd, ID_OB, "Object", 1, ob);
1255                         
1256                         /*Write ID Properties -- and copy this comment EXACTLY for easy finding
1257                           of library blocks that implement this.*/
1258                         if (ob->id.properties) IDP_WriteProperty(ob->id.properties, wd);
1259                         
1260                         if (ob->adt) write_animdata(wd, ob->adt);
1261                         
1262                         /* direct data */
1263                         writedata(wd, DATA, sizeof(void *)*ob->totcol, ob->mat);
1264                         writedata(wd, DATA, sizeof(char)*ob->totcol, ob->matbits);
1265                         /* write_effects(wd, &ob->effect); */ /* not used anymore */
1266                         write_properties(wd, &ob->prop);
1267                         write_sensors(wd, &ob->sensors);
1268                         write_controllers(wd, &ob->controllers);
1269                         write_actuators(wd, &ob->actuators);
1270                         write_pose(wd, ob->pose);
1271                         write_defgroups(wd, &ob->defbase);
1272                         write_constraints(wd, &ob->constraints);
1273                         write_motionpath(wd, ob->mpath);
1274                         
1275                         writestruct(wd, DATA, "PartDeflect", 1, ob->pd);
1276                         writestruct(wd, DATA, "SoftBody", 1, ob->soft);
1277                         if(ob->soft) {
1278                                 write_pointcaches(wd, &ob->soft->ptcaches);
1279                                 writestruct(wd, DATA, "EffectorWeights", 1, ob->soft->effector_weights);
1280                         }
1281                         writestruct(wd, DATA, "BulletSoftBody", 1, ob->bsoft);
1282                         
1283                         write_particlesystems(wd, &ob->particlesystem);
1284                         write_modifiers(wd, &ob->modifiers);
1285                 }
1286                 ob= ob->id.next;
1287         }
1288
1289         /* flush helps the compression for undo-save */
1290         mywrite(wd, MYWRITE_FLUSH, 0);
1291 }
1292
1293
1294 static void write_vfonts(WriteData *wd, ListBase *idbase)
1295 {
1296         VFont *vf;
1297         PackedFile * pf;
1298
1299         vf= idbase->first;
1300         while(vf) {
1301                 if(vf->id.us>0 || wd->current) {
1302                         /* write LibData */
1303                         writestruct(wd, ID_VF, "VFont", 1, vf);
1304                         if (vf->id.properties) IDP_WriteProperty(vf->id.properties, wd);
1305
1306                         /* direct data */
1307
1308                         if (vf->packedfile) {
1309                                 pf = vf->packedfile;
1310                                 writestruct(wd, DATA, "PackedFile", 1, pf);
1311                                 writedata(wd, DATA, pf->size, pf->data);
1312                         }
1313                 }
1314
1315                 vf= vf->id.next;
1316         }
1317 }
1318
1319
1320 static void write_keys(WriteData *wd, ListBase *idbase)
1321 {
1322         Key *key;
1323         KeyBlock *kb;
1324
1325         key= idbase->first;
1326         while(key) {
1327                 if(key->id.us>0 || wd->current) {
1328                         /* write LibData */
1329                         writestruct(wd, ID_KE, "Key", 1, key);
1330                         if (key->id.properties) IDP_WriteProperty(key->id.properties, wd);
1331                         
1332                         if (key->adt) write_animdata(wd, key->adt);
1333                         
1334                         /* direct data */
1335                         kb= key->block.first;
1336                         while(kb) {
1337                                 writestruct(wd, DATA, "KeyBlock", 1, kb);
1338                                 if(kb->data) writedata(wd, DATA, kb->totelem*key->elemsize, kb->data);
1339                                 kb= kb->next;
1340                         }
1341                 }
1342
1343                 key= key->id.next;
1344         }
1345         /* flush helps the compression for undo-save */
1346         mywrite(wd, MYWRITE_FLUSH, 0);
1347 }
1348
1349 static void write_cameras(WriteData *wd, ListBase *idbase)
1350 {
1351         Camera *cam;
1352
1353         cam= idbase->first;
1354         while(cam) {
1355                 if(cam->id.us>0 || wd->current) {
1356                         /* write LibData */
1357                         writestruct(wd, ID_CA, "Camera", 1, cam);
1358                         if (cam->id.properties) IDP_WriteProperty(cam->id.properties, wd);
1359                         
1360                         if (cam->adt) write_animdata(wd, cam->adt);
1361                 }
1362
1363                 cam= cam->id.next;
1364         }
1365 }
1366
1367 static void write_mballs(WriteData *wd, ListBase *idbase)
1368 {
1369         MetaBall *mb;
1370         MetaElem *ml;
1371
1372         mb= idbase->first;
1373         while(mb) {
1374                 if(mb->id.us>0 || wd->current) {
1375                         /* write LibData */
1376                         writestruct(wd, ID_MB, "MetaBall", 1, mb);
1377                         if (mb->id.properties) IDP_WriteProperty(mb->id.properties, wd);
1378
1379                         /* direct data */
1380                         writedata(wd, DATA, sizeof(void *)*mb->totcol, mb->mat);
1381                         if (mb->adt) write_animdata(wd, mb->adt);
1382
1383                         ml= mb->elems.first;
1384                         while(ml) {
1385                                 writestruct(wd, DATA, "MetaElem", 1, ml);
1386                                 ml= ml->next;
1387                         }
1388                 }
1389                 mb= mb->id.next;
1390         }
1391 }
1392
1393 static int amount_of_chars(char *str)
1394 {
1395         // Since the data is saved as UTF-8 to the cu->str
1396         // The cu->len is not same as the strlen(cu->str)
1397         return strlen(str);
1398 }
1399
1400 static void write_curves(WriteData *wd, ListBase *idbase)
1401 {
1402         Curve *cu;
1403         Nurb *nu;
1404
1405         cu= idbase->first;
1406         while(cu) {
1407                 if(cu->id.us>0 || wd->current) {
1408                         /* write LibData */
1409                         writestruct(wd, ID_CU, "Curve", 1, cu);
1410                         
1411                         /* direct data */
1412                         writedata(wd, DATA, sizeof(void *)*cu->totcol, cu->mat);
1413                         if (cu->id.properties) IDP_WriteProperty(cu->id.properties, wd);
1414                         if (cu->adt) write_animdata(wd, cu->adt);
1415                         
1416                         if(cu->vfont) {
1417                                 writedata(wd, DATA, amount_of_chars(cu->str)+1, cu->str);
1418                                 writestruct(wd, DATA, "CharInfo", cu->len, cu->strinfo);
1419                                 writestruct(wd, DATA, "TextBox", cu->totbox, cu->tb);                           
1420                         }
1421                         else {
1422                                 /* is also the order of reading */
1423                                 nu= cu->nurb.first;
1424                                 while(nu) {
1425                                         writestruct(wd, DATA, "Nurb", 1, nu);
1426                                         nu= nu->next;
1427                                 }
1428                                 nu= cu->nurb.first;
1429                                 while(nu) {
1430                                         if(nu->type == CU_BEZIER)
1431                                                 writestruct(wd, DATA, "BezTriple", nu->pntsu, nu->bezt);
1432                                         else {
1433                                                 writestruct(wd, DATA, "BPoint", nu->pntsu*nu->pntsv, nu->bp);
1434                                                 if(nu->knotsu) writedata(wd, DATA, KNOTSU(nu)*sizeof(float), nu->knotsu);
1435                                                 if(nu->knotsv) writedata(wd, DATA, KNOTSV(nu)*sizeof(float), nu->knotsv);
1436                                         }
1437                                         nu= nu->next;
1438                                 }
1439                         }
1440                 }
1441                 cu= cu->id.next;
1442         }
1443
1444         /* flush helps the compression for undo-save */
1445         mywrite(wd, MYWRITE_FLUSH, 0);
1446 }
1447
1448 static void write_dverts(WriteData *wd, int count, MDeformVert *dvlist)
1449 {
1450         if (dvlist) {
1451                 int i;
1452                 
1453                 /* Write the dvert list */
1454                 writestruct(wd, DATA, "MDeformVert", count, dvlist);
1455                 
1456                 /* Write deformation data for each dvert */
1457                 for (i=0; i<count; i++) {
1458                         if (dvlist[i].dw)
1459                                 writestruct(wd, DATA, "MDeformWeight", dvlist[i].totweight, dvlist[i].dw);
1460                 }
1461         }
1462 }
1463
1464 static void write_mdisps(WriteData *wd, int count, MDisps *mdlist, int external)
1465 {
1466         if(mdlist) {
1467                 int i;
1468                 
1469                 writestruct(wd, DATA, "MDisps", count, mdlist);
1470                 if(!external) {
1471                         for(i = 0; i < count; ++i) {
1472                                 if(mdlist[i].disps)
1473                                         writedata(wd, DATA, sizeof(float)*3*mdlist[i].totdisp, mdlist[i].disps);
1474                         }
1475                 }
1476         }
1477 }
1478
1479 static void write_customdata(WriteData *wd, ID *id, int count, CustomData *data, int partial_type, int partial_count)
1480 {
1481         int i;
1482
1483         /* write external customdata (not for undo) */
1484         if(data->external && !wd->current)
1485                 CustomData_external_write(data, id, CD_MASK_MESH, count, 0);
1486
1487         writestruct(wd, DATA, "CustomDataLayer", data->maxlayer, data->layers);
1488
1489         for (i=0; i<data->totlayer; i++) {
1490                 CustomDataLayer *layer= &data->layers[i];
1491                 char *structname;
1492                 int structnum, datasize;
1493
1494                 if (layer->type == CD_MDEFORMVERT) {
1495                         /* layer types that allocate own memory need special handling */
1496                         write_dverts(wd, count, layer->data);
1497                 }
1498                 else if (layer->type == CD_MDISPS) {
1499                         write_mdisps(wd, count, layer->data, layer->flag & CD_FLAG_EXTERNAL);
1500                 }
1501                 else {
1502                         CustomData_file_write_info(layer->type, &structname, &structnum);
1503                         if (structnum) {
1504                                 /* when using partial visibility, the MEdge and MFace layers
1505                                    are smaller than the original, so their type and count is
1506                                    passed to make this work */
1507                                 if (layer->type != partial_type) datasize= structnum*count;
1508                                 else datasize= structnum*partial_count;
1509
1510                                 writestruct(wd, DATA, structname, datasize, layer->data);
1511                         }
1512                         else
1513                                 printf("error: this CustomDataLayer must not be written to file\n");
1514                 }
1515         }
1516
1517         if(data->external)
1518                 writestruct(wd, DATA, "CustomDataExternal", 1, data->external);
1519 }
1520
1521 static void write_meshs(WriteData *wd, ListBase *idbase)
1522 {
1523         Mesh *mesh;
1524
1525         mesh= idbase->first;
1526         while(mesh) {
1527                 if(mesh->id.us>0 || wd->current) {
1528                         /* write LibData */
1529                         writestruct(wd, ID_ME, "Mesh", 1, mesh);
1530
1531                         /* direct data */
1532                         if (mesh->id.properties) IDP_WriteProperty(mesh->id.properties, wd);
1533
1534                         writedata(wd, DATA, sizeof(void *)*mesh->totcol, mesh->mat);
1535
1536                         if(mesh->pv) {
1537                                 write_customdata(wd, &mesh->id, mesh->pv->totvert, &mesh->vdata, -1, 0);
1538                                 write_customdata(wd, &mesh->id, mesh->pv->totedge, &mesh->edata,
1539                                         CD_MEDGE, mesh->totedge);
1540                                 write_customdata(wd, &mesh->id, mesh->pv->totface, &mesh->fdata,
1541                                         CD_MFACE, mesh->totface);
1542                         }
1543                         else {
1544                                 write_customdata(wd, &mesh->id, mesh->totvert, &mesh->vdata, -1, 0);
1545                                 write_customdata(wd, &mesh->id, mesh->totedge, &mesh->edata, -1, 0);
1546                                 write_customdata(wd, &mesh->id, mesh->totface, &mesh->fdata, -1, 0);
1547                         }
1548
1549                         /* PMV data */
1550                         if(mesh->pv) {
1551                                 writestruct(wd, DATA, "PartialVisibility", 1, mesh->pv);
1552                                 writedata(wd, DATA, sizeof(unsigned int)*mesh->pv->totvert, mesh->pv->vert_map);
1553                                 writedata(wd, DATA, sizeof(int)*mesh->pv->totedge, mesh->pv->edge_map);
1554                                 writestruct(wd, DATA, "MFace", mesh->pv->totface, mesh->pv->old_faces);
1555                                 writestruct(wd, DATA, "MEdge", mesh->pv->totedge, mesh->pv->old_edges);
1556                         }
1557                 }
1558                 mesh= mesh->id.next;
1559         }
1560 }
1561
1562 static void write_lattices(WriteData *wd, ListBase *idbase)
1563 {
1564         Lattice *lt;
1565         
1566         lt= idbase->first;
1567         while(lt) {
1568                 if(lt->id.us>0 || wd->current) {
1569                         /* write LibData */
1570                         writestruct(wd, ID_LT, "Lattice", 1, lt);
1571                         if (lt->id.properties) IDP_WriteProperty(lt->id.properties, wd);
1572
1573                         /* direct data */
1574                         writestruct(wd, DATA, "BPoint", lt->pntsu*lt->pntsv*lt->pntsw, lt->def);
1575                         
1576                         write_dverts(wd, lt->pntsu*lt->pntsv*lt->pntsw, lt->dvert);
1577                         
1578                 }
1579                 lt= lt->id.next;
1580         }
1581 }
1582
1583 static void write_previews(WriteData *wd, PreviewImage *prv)
1584 {
1585         if (prv) {
1586                 short w = prv->w[1];
1587                 short h = prv->h[1];
1588                 unsigned int *rect = prv->rect[1];
1589                 /* don't write out large previews if not requested */
1590                 if (!(U.flag & USER_SAVE_PREVIEWS) ) {
1591                         prv->w[1] = 0;
1592                         prv->h[1] = 0;
1593                         prv->rect[1] = NULL;
1594                 }
1595                 writestruct(wd, DATA, "PreviewImage", 1, prv);
1596                 if (prv->rect[0]) writedata(wd, DATA, prv->w[0]*prv->h[0]*sizeof(unsigned int), prv->rect[0]);
1597                 if (prv->rect[1]) writedata(wd, DATA, prv->w[1]*prv->h[1]*sizeof(unsigned int), prv->rect[1]);
1598
1599                 /* restore preview, we still want to keep it in memory even if not saved to file */
1600                 if (!(U.flag & USER_SAVE_PREVIEWS) ) {
1601                         prv->w[1] = w;
1602                         prv->h[1] = h;
1603                         prv->rect[1] = rect;
1604                 }
1605         }
1606 }
1607
1608 static void write_images(WriteData *wd, ListBase *idbase)
1609 {
1610         Image *ima;
1611         PackedFile * pf;
1612
1613
1614         ima= idbase->first;
1615         while(ima) {
1616                 if(ima->id.us>0 || wd->current) {
1617                         /* write LibData */
1618                         writestruct(wd, ID_IM, "Image", 1, ima);
1619                         if (ima->id.properties) IDP_WriteProperty(ima->id.properties, wd);
1620
1621                         if (ima->packedfile) {
1622                                 pf = ima->packedfile;
1623                                 writestruct(wd, DATA, "PackedFile", 1, pf);
1624                                 writedata(wd, DATA, pf->size, pf->data);
1625                         }
1626
1627                         write_previews(wd, ima->preview);
1628                 }
1629                 ima= ima->id.next;
1630         }
1631         /* flush helps the compression for undo-save */
1632         mywrite(wd, MYWRITE_FLUSH, 0);
1633 }
1634
1635 static void write_textures(WriteData *wd, ListBase *idbase)
1636 {
1637         Tex *tex;
1638
1639         tex= idbase->first;
1640         while(tex) {
1641                 if(tex->id.us>0 || wd->current) {
1642                         /* write LibData */
1643                         writestruct(wd, ID_TE, "Tex", 1, tex);
1644                         if (tex->id.properties) IDP_WriteProperty(tex->id.properties, wd);
1645
1646                         if (tex->adt) write_animdata(wd, tex->adt);
1647
1648                         /* direct data */
1649                         if(tex->type == TEX_PLUGIN && tex->plugin) writestruct(wd, DATA, "PluginTex", 1, tex->plugin);
1650                         if(tex->coba) writestruct(wd, DATA, "ColorBand", 1, tex->coba);
1651                         if(tex->type == TEX_ENVMAP && tex->env) writestruct(wd, DATA, "EnvMap", 1, tex->env);
1652                         if(tex->type == TEX_POINTDENSITY && tex->pd) {
1653                                 writestruct(wd, DATA, "PointDensity", 1, tex->pd);
1654                                 if(tex->pd->coba) writestruct(wd, DATA, "ColorBand", 1, tex->pd->coba);
1655                         }
1656                         if(tex->type == TEX_VOXELDATA && tex->vd) writestruct(wd, DATA, "VoxelData", 1, tex->vd);
1657                         
1658                         /* nodetree is integral part of texture, no libdata */
1659                         if(tex->nodetree) {
1660                                 writestruct(wd, DATA, "bNodeTree", 1, tex->nodetree);
1661                                 write_nodetree(wd, tex->nodetree);
1662                         }
1663                         
1664                         write_previews(wd, tex->preview);
1665                 }
1666                 tex= tex->id.next;
1667         }
1668
1669         /* flush helps the compression for undo-save */
1670         mywrite(wd, MYWRITE_FLUSH, 0);
1671 }
1672
1673 static void write_materials(WriteData *wd, ListBase *idbase)
1674 {
1675         Material *ma;
1676         int a;
1677
1678         ma= idbase->first;
1679         while(ma) {
1680                 if(ma->id.us>0 || wd->current) {
1681                         /* write LibData */
1682                         writestruct(wd, ID_MA, "Material", 1, ma);
1683                         
1684                         /*Write ID Properties -- and copy this comment EXACTLY for easy finding
1685                           of library blocks that implement this.*/
1686                         /*manually set head group property to IDP_GROUP, just in case it hadn't been
1687                           set yet :) */
1688                         if (ma->id.properties) IDP_WriteProperty(ma->id.properties, wd);
1689                         
1690                         if (ma->adt) write_animdata(wd, ma->adt);
1691
1692                         for(a=0; a<MAX_MTEX; a++) {
1693                                 if(ma->mtex[a]) writestruct(wd, DATA, "MTex", 1, ma->mtex[a]);
1694                         }
1695                         
1696                         if(ma->ramp_col) writestruct(wd, DATA, "ColorBand", 1, ma->ramp_col);
1697                         if(ma->ramp_spec) writestruct(wd, DATA, "ColorBand", 1, ma->ramp_spec);
1698                         
1699                         /* nodetree is integral part of material, no libdata */
1700                         if(ma->nodetree) {
1701                                 writestruct(wd, DATA, "bNodeTree", 1, ma->nodetree);
1702                                 write_nodetree(wd, ma->nodetree);
1703                         }
1704
1705                         write_previews(wd, ma->preview);                        
1706                 }
1707                 ma= ma->id.next;
1708         }
1709 }
1710
1711 static void write_worlds(WriteData *wd, ListBase *idbase)
1712 {
1713         World *wrld;
1714         int a;
1715
1716         wrld= idbase->first;
1717         while(wrld) {
1718                 if(wrld->id.us>0 || wd->current) {
1719                         /* write LibData */
1720                         writestruct(wd, ID_WO, "World", 1, wrld);
1721                         if (wrld->id.properties) IDP_WriteProperty(wrld->id.properties, wd);
1722                         
1723                         if (wrld->adt) write_animdata(wd, wrld->adt);
1724                         
1725                         for(a=0; a<MAX_MTEX; a++) {
1726                                 if(wrld->mtex[a]) writestruct(wd, DATA, "MTex", 1, wrld->mtex[a]);
1727                         }
1728                         
1729                         write_previews(wd, wrld->preview);
1730                 }
1731                 wrld= wrld->id.next;
1732         }
1733 }
1734
1735 static void write_lamps(WriteData *wd, ListBase *idbase)
1736 {
1737         Lamp *la;
1738         int a;
1739
1740         la= idbase->first;
1741         while(la) {
1742                 if(la->id.us>0 || wd->current) {
1743                         /* write LibData */
1744                         writestruct(wd, ID_LA, "Lamp", 1, la);
1745                         if (la->id.properties) IDP_WriteProperty(la->id.properties, wd);
1746                         
1747                         if (la->adt) write_animdata(wd, la->adt);
1748                         
1749                         /* direct data */
1750                         for(a=0; a<MAX_MTEX; a++) {
1751                                 if(la->mtex[a]) writestruct(wd, DATA, "MTex", 1, la->mtex[a]);
1752                         }
1753                         
1754                         if(la->curfalloff)
1755                                 write_curvemapping(wd, la->curfalloff); 
1756                         
1757                         write_previews(wd, la->preview);
1758                         
1759                 }
1760                 la= la->id.next;
1761         }
1762 }
1763
1764 static void write_paint(WriteData *wd, Paint *p)
1765 {
1766         if(p && p->brushes)
1767                 writedata(wd, DATA, p->brush_count * sizeof(Brush*), p->brushes);
1768 }
1769
1770 static void write_scenes(WriteData *wd, ListBase *scebase)
1771 {
1772         Scene *sce;
1773         Base *base;
1774         Editing *ed;
1775         Sequence *seq;
1776         MetaStack *ms;
1777         Strip *strip;
1778         TimeMarker *marker;
1779         TransformOrientation *ts;
1780         SceneRenderLayer *srl;
1781         ToolSettings *tos;
1782         
1783         sce= scebase->first;
1784         while(sce) {
1785                 /* write LibData */
1786                 writestruct(wd, ID_SCE, "Scene", 1, sce);
1787                 if (sce->id.properties) IDP_WriteProperty(sce->id.properties, wd);
1788                 
1789                 if (sce->adt) write_animdata(wd, sce->adt);
1790                 write_keyingsets(wd, &sce->keyingsets);
1791                 
1792                 /* direct data */
1793                 base= sce->base.first;
1794                 while(base) {
1795                         writestruct(wd, DATA, "Base", 1, base);
1796                         base= base->next;
1797                 }
1798                 
1799                 tos = sce->toolsettings;
1800                 writestruct(wd, DATA, "ToolSettings", 1, tos);
1801                 if(tos->vpaint) {
1802                         writestruct(wd, DATA, "VPaint", 1, tos->vpaint);
1803                         write_paint(wd, &tos->vpaint->paint);
1804                 }
1805                 if(tos->wpaint) {
1806                         writestruct(wd, DATA, "VPaint", 1, tos->wpaint);
1807                         write_paint(wd, &tos->wpaint->paint);
1808                 }
1809                 if(tos->sculpt) {
1810                         writestruct(wd, DATA, "Sculpt", 1, tos->sculpt);
1811                         write_paint(wd, &tos->sculpt->paint);
1812                 }
1813
1814                 write_paint(wd, &tos->imapaint.paint);
1815
1816                 ed= sce->ed;
1817                 if(ed) {
1818                         writestruct(wd, DATA, "Editing", 1, ed);
1819                         
1820                         /* reset write flags too */
1821                         
1822                         SEQ_BEGIN(ed, seq) {
1823                                 if(seq->strip) seq->strip->done= 0;
1824                                 writestruct(wd, DATA, "Sequence", 1, seq);
1825                         }
1826                         SEQ_END
1827                         
1828                         SEQ_BEGIN(ed, seq) {
1829                                 if(seq->strip && seq->strip->done==0) {
1830                                         /* write strip with 'done' at 0 because readfile */
1831                                         
1832                                         if(seq->plugin) writestruct(wd, DATA, "PluginSeq", 1, seq->plugin);
1833                                         if(seq->effectdata) {
1834                                                 switch(seq->type){
1835                                                 case SEQ_COLOR:
1836                                                         writestruct(wd, DATA, "SolidColorVars", 1, seq->effectdata);
1837                                                         break;
1838                                                 case SEQ_SPEED:
1839                                                         writestruct(wd, DATA, "SpeedControlVars", 1, seq->effectdata);
1840                                                         break;
1841                                                 case SEQ_WIPE:
1842                                                         writestruct(wd, DATA, "WipeVars", 1, seq->effectdata);
1843                                                         break;
1844                                                 case SEQ_GLOW:
1845                                                         writestruct(wd, DATA, "GlowVars", 1, seq->effectdata);
1846                                                         break;
1847                                                 case SEQ_TRANSFORM:
1848                                                         writestruct(wd, DATA, "TransformVars", 1, seq->effectdata);
1849                                                         break;
1850                                                 }
1851                                         }
1852                                         
1853                                         strip= seq->strip;
1854                                         writestruct(wd, DATA, "Strip", 1, strip);
1855                                         if(seq->flag & SEQ_USE_CROP && strip->crop) {
1856                                                 writestruct(wd, DATA, "StripCrop", 1, strip->crop);
1857                                         }
1858                                         if(seq->flag & SEQ_USE_TRANSFORM && strip->transform) {
1859                                                 writestruct(wd, DATA, "StripTransform", 1, strip->transform);
1860                                         }
1861                                         if(seq->flag & SEQ_USE_PROXY && strip->proxy) {
1862                                                 writestruct(wd, DATA, "StripProxy", 1, strip->proxy);
1863                                         }
1864                                         if(seq->flag & SEQ_USE_COLOR_BALANCE && strip->color_balance) {
1865                                                 writestruct(wd, DATA, "StripColorBalance", 1, strip->color_balance);
1866                                         }
1867                                         if(seq->type==SEQ_IMAGE)
1868                                                 writestruct(wd, DATA, "StripElem", MEM_allocN_len(strip->stripdata) / sizeof(struct StripElem), strip->stripdata);
1869                                         else if(seq->type==SEQ_MOVIE || seq->type==SEQ_RAM_SOUND || seq->type == SEQ_HD_SOUND)
1870                                                 writestruct(wd, DATA, "StripElem", 1, strip->stripdata);
1871                                         
1872                                         strip->done= 1;
1873                                 }
1874                         }
1875                         SEQ_END
1876                                 
1877                         /* new; meta stack too, even when its nasty restore code */
1878                         for(ms= ed->metastack.first; ms; ms= ms->next) {
1879                                 writestruct(wd, DATA, "MetaStack", 1, ms);
1880                         }
1881                 }
1882                 
1883                 if (sce->r.avicodecdata) {
1884                         writestruct(wd, DATA, "AviCodecData", 1, sce->r.avicodecdata);
1885                         if (sce->r.avicodecdata->lpFormat) writedata(wd, DATA, sce->r.avicodecdata->cbFormat, sce->r.avicodecdata->lpFormat);
1886                         if (sce->r.avicodecdata->lpParms) writedata(wd, DATA, sce->r.avicodecdata->cbParms, sce->r.avicodecdata->lpParms);
1887                 }
1888
1889                 if (sce->r.qtcodecdata) {
1890                         writestruct(wd, DATA, "QuicktimeCodecData", 1, sce->r.qtcodecdata);
1891                         if (sce->r.qtcodecdata->cdParms) writedata(wd, DATA, sce->r.qtcodecdata->cdSize, sce->r.qtcodecdata->cdParms);
1892                 }
1893                 if (sce->r.ffcodecdata.properties) {
1894                         IDP_WriteProperty(sce->r.ffcodecdata.properties, wd);
1895                 }
1896
1897                 /* writing dynamic list of TimeMarkers to the blend file */
1898                 for(marker= sce->markers.first; marker; marker= marker->next)
1899                         writestruct(wd, DATA, "TimeMarker", 1, marker);
1900                 
1901                 /* writing dynamic list of TransformOrientations to the blend file */
1902                 for(ts = sce->transform_spaces.first; ts; ts = ts->next)
1903                         writestruct(wd, DATA, "TransformOrientation", 1, ts);
1904                 
1905                 for(srl= sce->r.layers.first; srl; srl= srl->next)
1906                         writestruct(wd, DATA, "SceneRenderLayer", 1, srl);
1907                 
1908                 if(sce->nodetree) {
1909                         writestruct(wd, DATA, "bNodeTree", 1, sce->nodetree);
1910                         write_nodetree(wd, sce->nodetree);
1911                 }
1912                 
1913                 sce= sce->id.next;
1914         }
1915         /* flush helps the compression for undo-save */
1916         mywrite(wd, MYWRITE_FLUSH, 0);
1917 }
1918
1919 static void write_gpencils(WriteData *wd, ListBase *lb)
1920 {
1921         bGPdata *gpd;
1922         bGPDlayer *gpl;
1923         bGPDframe *gpf;
1924         bGPDstroke *gps;
1925         
1926         for (gpd= lb->first; gpd; gpd= gpd->id.next) {
1927                 /* write gpd data block to file */
1928                 writestruct(wd, ID_GD, "bGPdata", 1, gpd);
1929                 
1930                 /* write grease-pencil layers to file */
1931                 for (gpl= gpd->layers.first; gpl; gpl= gpl->next) {
1932                         writestruct(wd, DATA, "bGPDlayer", 1, gpl);
1933                         
1934                         /* write this layer's frames to file */
1935                         for (gpf= gpl->frames.first; gpf; gpf= gpf->next) {
1936                                 writestruct(wd, DATA, "bGPDframe", 1, gpf);
1937                                 
1938                                 /* write strokes */
1939                                 for (gps= gpf->strokes.first; gps; gps= gps->next) {
1940                                         writestruct(wd, DATA, "bGPDstroke", 1, gps);
1941                                         writestruct(wd, DATA, "bGPDspoint", gps->totpoints, gps->points);                               
1942                                 }
1943                         }
1944                 }
1945         }
1946 }
1947
1948 static void write_windowmanagers(WriteData *wd, ListBase *lb)
1949 {
1950         wmWindowManager *wm;
1951         wmWindow *win;
1952         
1953         for(wm= lb->first; wm; wm= wm->id.next) {
1954                 writestruct(wd, ID_WM, "wmWindowManager", 1, wm);
1955                 
1956                 for(win= wm->windows.first; win; win= win->next)
1957                         writestruct(wd, DATA, "wmWindow", 1, win);
1958         }
1959 }
1960
1961 static void write_region(WriteData *wd, ARegion *ar, int spacetype)
1962 {       
1963         writestruct(wd, DATA, "ARegion", 1, ar);
1964         
1965         if(ar->regiondata) {
1966                 switch(spacetype) {
1967                         case SPACE_VIEW3D:
1968                                 if(ar->regiontype==RGN_TYPE_WINDOW) {
1969                                         RegionView3D *rv3d= ar->regiondata;
1970                                         writestruct(wd, DATA, "RegionView3D", 1, rv3d);
1971                                         
1972                                         if(rv3d->localvd)
1973                                                 writestruct(wd, DATA, "RegionView3D", 1, rv3d->localvd);
1974                                         if(rv3d->clipbb) 
1975                                                 writestruct(wd, DATA, "BoundBox", 1, rv3d->clipbb);
1976
1977                                 }
1978                                 else
1979                                         printf("regiondata write missing!\n");
1980                                 break;
1981                         default:
1982                                 printf("regiondata write missing!\n");
1983                 }
1984         }
1985 }
1986
1987 static void write_screens(WriteData *wd, ListBase *scrbase)
1988 {
1989         bScreen *sc;
1990         ScrArea *sa;
1991         ScrVert *sv;
1992         ScrEdge *se;
1993
1994         sc= scrbase->first;
1995         while(sc) {
1996                 
1997                 /* write LibData */
1998                 /* in 2.50+ files, the file identifier for screens is patched, forward compatibility */
1999                 writestruct(wd, ID_SCRN, "Screen", 1, sc);
2000                 if (sc->id.properties) 
2001                         IDP_WriteProperty(sc->id.properties, wd);
2002                 
2003                 /* direct data */
2004                 for(sv= sc->vertbase.first; sv; sv= sv->next)
2005                         writestruct(wd, DATA, "ScrVert", 1, sv);
2006                 
2007                 for(se= sc->edgebase.first; se; se= se->next) 
2008                         writestruct(wd, DATA, "ScrEdge", 1, se);
2009                 
2010                 for(sa= sc->areabase.first; sa; sa= sa->next) {
2011                         SpaceLink *sl;
2012                         Panel *pa;
2013                         ARegion *ar;
2014                         
2015                         writestruct(wd, DATA, "ScrArea", 1, sa);
2016                         
2017                         for(ar= sa->regionbase.first; ar; ar= ar->next) {
2018                                 write_region(wd, ar, sa->spacetype);
2019                                 
2020                                 for(pa= ar->panels.first; pa; pa= pa->next)
2021                                         writestruct(wd, DATA, "Panel", 1, pa);
2022                         }
2023                         
2024                         sl= sa->spacedata.first;
2025                         while(sl) {
2026                                 for(ar= sl->regionbase.first; ar; ar= ar->next)
2027                                         write_region(wd, ar, sl->spacetype);
2028                                 
2029                                 if(sl->spacetype==SPACE_VIEW3D) {
2030                                         View3D *v3d= (View3D *) sl;
2031                                         BGpic *bgpic;
2032                                         writestruct(wd, DATA, "View3D", 1, v3d);
2033                                         for (bgpic= v3d->bgpicbase.first; bgpic; bgpic= bgpic->next)
2034                                                 writestruct(wd, DATA, "BGpic", 1, bgpic);
2035                                         if(v3d->localvd) writestruct(wd, DATA, "View3D", 1, v3d->localvd);
2036                                 }
2037                                 else if(sl->spacetype==SPACE_IPO) {
2038                                         SpaceIpo *sipo= (SpaceIpo *)sl;
2039                                         ListBase tmpGhosts = sipo->ghostCurves;
2040                                         
2041                                         /* temporarily disable ghost curves when saving */
2042                                         sipo->ghostCurves.first= sipo->ghostCurves.last= NULL;
2043                                         
2044                                         writestruct(wd, DATA, "SpaceIpo", 1, sl);
2045                                         if(sipo->ads) writestruct(wd, DATA, "bDopeSheet", 1, sipo->ads);
2046                                         
2047                                         /* reenable ghost curves */
2048                                         sipo->ghostCurves= tmpGhosts;
2049                                 }
2050                                 else if(sl->spacetype==SPACE_BUTS) {
2051                                         writestruct(wd, DATA, "SpaceButs", 1, sl);
2052                                 }
2053                                 else if(sl->spacetype==SPACE_FILE) {
2054                                         writestruct(wd, DATA, "SpaceFile", 1, sl);
2055                                 }
2056                                 else if(sl->spacetype==SPACE_SEQ) {
2057                                         writestruct(wd, DATA, "SpaceSeq", 1, sl);
2058                                 }
2059                                 else if(sl->spacetype==SPACE_OUTLINER) {
2060                                         SpaceOops *so= (SpaceOops *)sl;
2061                                         
2062                                         writestruct(wd, DATA, "SpaceOops", 1, so);
2063
2064                                         /* outliner */
2065                                         if(so->treestore) {
2066                                                 writestruct(wd, DATA, "TreeStore", 1, so->treestore);
2067                                                 if(so->treestore->data)
2068                                                         writestruct(wd, DATA, "TreeStoreElem", so->treestore->usedelem, so->treestore->data);
2069                                         }
2070                                 }
2071                                 else if(sl->spacetype==SPACE_IMAGE) {
2072                                         SpaceImage *sima= (SpaceImage *)sl;
2073                                         
2074                                         writestruct(wd, DATA, "SpaceImage", 1, sl);
2075                                         if(sima->cumap)
2076                                                 write_curvemapping(wd, sima->cumap);
2077                                 }
2078                                 else if(sl->spacetype==SPACE_IMASEL) {
2079                                         // XXX: depreceated... do we still want to keep this?
2080                                         writestruct(wd, DATA, "SpaceImaSel", 1, sl);
2081                                 }
2082                                 else if(sl->spacetype==SPACE_TEXT) {
2083                                         writestruct(wd, DATA, "SpaceText", 1, sl);
2084                                 }
2085                                 else if(sl->spacetype==SPACE_SCRIPT) {
2086                                         SpaceScript *sc = (SpaceScript*)sl;
2087                                         sc->but_refs = NULL;
2088                                         writestruct(wd, DATA, "SpaceScript", 1, sl);
2089                                 }
2090                                 else if(sl->spacetype==SPACE_ACTION) {
2091                                         writestruct(wd, DATA, "SpaceAction", 1, sl);
2092                                 }
2093                                 else if(sl->spacetype==SPACE_SOUND) {
2094                                         writestruct(wd, DATA, "SpaceSound", 1, sl);
2095                                 }
2096                                 else if(sl->spacetype==SPACE_NLA){
2097                                         SpaceNla *snla= (SpaceNla *)sl;
2098                                         
2099                                         writestruct(wd, DATA, "SpaceNla", 1, snla);
2100                                         if(snla->ads) writestruct(wd, DATA, "bDopeSheet", 1, snla->ads);
2101                                 }
2102                                 else if(sl->spacetype==SPACE_TIME){
2103                                         writestruct(wd, DATA, "SpaceTime", 1, sl);
2104                                 }
2105                                 else if(sl->spacetype==SPACE_NODE){
2106                                         writestruct(wd, DATA, "SpaceNode", 1, sl);
2107                                 }
2108                                 else if(sl->spacetype==SPACE_LOGIC){
2109                                         writestruct(wd, DATA, "SpaceLogic", 1, sl);
2110                                 }
2111                                 else if(sl->spacetype==SPACE_CONSOLE) {
2112                                         writestruct(wd, DATA, "SpaceConsole", 1, sl);
2113                                 }
2114                                 else if(sl->spacetype==SPACE_USERPREF) {
2115                                         writestruct(wd, DATA, "SpaceUserPref", 1, sl);
2116                                 }
2117
2118                                 sl= sl->next;
2119                         }
2120                 }
2121
2122                 sc= sc->id.next;
2123         }
2124 }
2125
2126 static void write_libraries(WriteData *wd, Main *main)
2127 {
2128         ListBase *lbarray[30];
2129         ID *id;
2130         int a, tot, foundone;
2131
2132         for(; main; main= main->next) {
2133
2134                 a=tot= set_listbasepointers(main, lbarray);
2135
2136                 /* test: is lib being used */
2137                 foundone= 0;
2138                 while(tot--) {
2139                         for(id= lbarray[tot]->first; id; id= id->next) {
2140                                 if(id->us>0 && (id->flag & LIB_EXTERN)) {
2141                                         foundone= 1;
2142                                         break;
2143                                 }
2144                         }
2145                         if(foundone) break;
2146                 }
2147
2148                 if(foundone) {
2149                         writestruct(wd, ID_LI, "Library", 1, main->curlib);
2150
2151                         while(a--) {
2152                                 for(id= lbarray[a]->first; id; id= id->next) {
2153                                         if(id->us>0 && (id->flag & LIB_EXTERN)) {
2154                                                 writestruct(wd, ID_ID, "ID", 1, id);
2155                                         }
2156                                 }
2157                         }
2158                 }
2159         }
2160 }
2161
2162 static void write_bone(WriteData *wd, Bone* bone)
2163 {
2164         Bone*   cbone;
2165
2166         // PATCH for upward compatibility after 2.37+ armature recode
2167         bone->size[0]= bone->size[1]= bone->size[2]= 1.0f;
2168                 
2169         // Write this bone
2170         writestruct(wd, DATA, "Bone", 1, bone);
2171
2172         /* Write ID Properties -- and copy this comment EXACTLY for easy finding
2173          of library blocks that implement this.*/
2174         if (bone->prop)
2175                 IDP_WriteProperty(bone->prop, wd);
2176         
2177         // Write Children
2178         cbone= bone->childbase.first;
2179         while(cbone) {
2180                 write_bone(wd, cbone);
2181                 cbone= cbone->next;
2182         }
2183 }
2184
2185 static void write_armatures(WriteData *wd, ListBase *idbase)
2186 {
2187         bArmature       *arm;
2188         Bone            *bone;
2189
2190         arm=idbase->first;
2191         while (arm) {
2192                 if (arm->id.us>0 || wd->current) {
2193                         writestruct(wd, ID_AR, "bArmature", 1, arm);
2194                         if (arm->id.properties) IDP_WriteProperty(arm->id.properties, wd);
2195
2196                         if (arm->adt) write_animdata(wd, arm->adt);
2197
2198                         /* Direct data */
2199                         bone= arm->bonebase.first;
2200                         while(bone) {
2201                                 write_bone(wd, bone);
2202                                 bone=bone->next;
2203                         }
2204                 }
2205                 arm=arm->id.next;
2206         }
2207
2208         /* flush helps the compression for undo-save */
2209         mywrite(wd, MYWRITE_FLUSH, 0);
2210 }
2211
2212 static void write_texts(WriteData *wd, ListBase *idbase)
2213 {
2214         Text *text;
2215         TextLine *tmp;
2216         TextMarker *mrk;
2217
2218         text= idbase->first;
2219         while(text) {
2220                 if ( (text->flags & TXT_ISMEM) && (text->flags & TXT_ISEXT)) text->flags &= ~TXT_ISEXT;
2221
2222                 /* write LibData */
2223                 writestruct(wd, ID_TXT, "Text", 1, text);
2224                 if(text->name) writedata(wd, DATA, strlen(text->name)+1, text->name);
2225                 if (text->id.properties) IDP_WriteProperty(text->id.properties, wd);
2226
2227                 if(!(text->flags & TXT_ISEXT)) {
2228                         /* now write the text data, in two steps for optimization in the readfunction */
2229                         tmp= text->lines.first;
2230                         while (tmp) {
2231                                 writestruct(wd, DATA, "TextLine", 1, tmp);
2232                                 tmp= tmp->next;
2233                         }
2234
2235                         tmp= text->lines.first;
2236                         while (tmp) {
2237                                 writedata(wd, DATA, tmp->len+1, tmp->line);
2238                                 tmp= tmp->next;
2239                         }
2240
2241                         /* write markers */
2242                         mrk= text->markers.first;
2243                         while (mrk) {
2244                                 writestruct(wd, DATA, "TextMarker", 1, mrk);
2245                                 mrk= mrk->next;
2246                         }
2247                 }
2248
2249
2250                 text= text->id.next;
2251         }
2252
2253         /* flush helps the compression for undo-save */
2254         mywrite(wd, MYWRITE_FLUSH, 0);
2255 }
2256
2257 static void write_sounds(WriteData *wd, ListBase *idbase)
2258 {
2259         bSound *sound;
2260
2261         PackedFile * pf;
2262
2263         sound= idbase->first;
2264         while(sound) {
2265                 if(sound->id.us>0 || wd->current) {
2266                         /* write LibData */
2267                         writestruct(wd, ID_SO, "bSound", 1, sound);
2268                         if (sound->id.properties) IDP_WriteProperty(sound->id.properties, wd);
2269
2270                         if (sound->packedfile) {
2271                                 pf = sound->packedfile;
2272                                 writestruct(wd, DATA, "PackedFile", 1, pf);
2273                                 writedata(wd, DATA, pf->size, pf->data);
2274                         }
2275                 }
2276                 sound= sound->id.next;
2277         }
2278
2279         /* flush helps the compression for undo-save */
2280         mywrite(wd, MYWRITE_FLUSH, 0);
2281 }
2282
2283 static void write_groups(WriteData *wd, ListBase *idbase)
2284 {
2285         Group *group;
2286         GroupObject *go;
2287
2288         for(group= idbase->first; group; group= group->id.next) {
2289                 if(group->id.us>0 || wd->current) {
2290                         /* write LibData */
2291                         writestruct(wd, ID_GR, "Group", 1, group);
2292                         if (group->id.properties) IDP_WriteProperty(group->id.properties, wd);
2293
2294                         go= group->gobject.first;
2295                         while(go) {
2296                                 writestruct(wd, DATA, "GroupObject", 1, go);
2297                                 go= go->next;
2298                         }
2299                 }
2300         }
2301 }
2302
2303 static void write_nodetrees(WriteData *wd, ListBase *idbase)
2304 {
2305         bNodeTree *ntree;
2306         
2307         for(ntree=idbase->first; ntree; ntree= ntree->id.next) {
2308                 if (ntree->id.us>0 || wd->current) {
2309                         writestruct(wd, ID_NT, "bNodeTree", 1, ntree);
2310                         write_nodetree(wd, ntree);
2311                         
2312                         if (ntree->id.properties) IDP_WriteProperty(ntree->id.properties, wd);
2313                         
2314                         if (ntree->adt) write_animdata(wd, ntree->adt);
2315                 }
2316         }
2317 }
2318
2319 static void write_brushes(WriteData *wd, ListBase *idbase)
2320 {
2321         Brush *brush;
2322         
2323         for(brush=idbase->first; brush; brush= brush->id.next) {
2324                 if(brush->id.us>0 || wd->current) {
2325                         writestruct(wd, ID_BR, "Brush", 1, brush);
2326                         if (brush->id.properties) IDP_WriteProperty(brush->id.properties, wd);
2327                         
2328                         writestruct(wd, DATA, "MTex", 1, &brush->mtex);
2329                         
2330                         if(brush->curve)
2331                                 write_curvemapping(wd, brush->curve);
2332                 }
2333         }
2334 }
2335
2336 static void write_scripts(WriteData *wd, ListBase *idbase)
2337 {
2338         Script *script;
2339         
2340         for(script=idbase->first; script; script= script->id.next) {
2341                 if(script->id.us>0 || wd->current) {
2342                         writestruct(wd, ID_SCRIPT, "Script", 1, script);
2343                         if (script->id.properties) IDP_WriteProperty(script->id.properties, wd);
2344                 }
2345         }
2346 }
2347
2348 /* context is usually defined by WM, two cases where no WM is available:
2349  * - for forward compatibility, curscreen has to be saved
2350  * - for undofile, curscene needs to be saved */
2351 static void write_global(WriteData *wd, int fileflags, Main *mainvar)
2352 {
2353         FileGlobal fg;
2354         bScreen *screen;
2355         char subvstr[8];
2356         
2357         current_screen_compat(mainvar, &screen);
2358
2359         /* XXX still remap G */
2360         fg.curscreen= screen;
2361         fg.curscene= screen->scene;
2362         fg.displaymode= G.displaymode;
2363         fg.winpos= G.winpos;
2364         fg.fileflags= (fileflags & ~G_FILE_NO_UI);      // prevent to save this, is not good convention, and feature with concerns...
2365         fg.globalf= G.f;
2366         BLI_strncpy(fg.filename, mainvar->name, sizeof(fg.filename));
2367
2368         sprintf(subvstr, "%4d", BLENDER_SUBVERSION);
2369         memcpy(fg.subvstr, subvstr, 4);
2370         
2371         fg.subversion= BLENDER_SUBVERSION;
2372         fg.minversion= BLENDER_MINVERSION;
2373         fg.minsubversion= BLENDER_MINSUBVERSION;
2374         fg.pads= 0; /* prevent mem checkers from complaining */
2375         writestruct(wd, GLOB, "FileGlobal", 1, &fg);
2376 }
2377
2378 /* if MemFile * there's filesave to memory */
2379 static int write_file_handle(Main *mainvar, int handle, MemFile *compare, MemFile *current, 
2380                                                          int write_user_block, int write_flags)
2381 {
2382         BHead bhead;
2383         ListBase mainlist;
2384         char buf[16];
2385         WriteData *wd;
2386
2387         blo_split_main(&mainlist, mainvar);
2388
2389         wd= bgnwrite(handle, compare, current, write_flags);
2390         
2391         sprintf(buf, "BLENDER%c%c%.3d", (sizeof(void*)==8)?'-':'_', (ENDIAN_ORDER==B_ENDIAN)?'V':'v', BLENDER_VERSION);
2392         mywrite(wd, buf, 12);
2393
2394         write_renderinfo(wd, mainvar);
2395         write_global(wd, write_flags, mainvar);
2396
2397         /* no UI save in undo */
2398         if(current==NULL) {
2399                 write_windowmanagers(wd, &mainvar->wm);
2400                 write_screens  (wd, &mainvar->screen);
2401         }
2402         write_scenes   (wd, &mainvar->scene);
2403         write_curves   (wd, &mainvar->curve);
2404         write_mballs   (wd, &mainvar->mball);
2405         write_images   (wd, &mainvar->image);
2406         write_cameras  (wd, &mainvar->camera);
2407         write_lamps    (wd, &mainvar->lamp);
2408         write_lattices (wd, &mainvar->latt);
2409         write_vfonts   (wd, &mainvar->vfont);
2410         write_keys     (wd, &mainvar->key);
2411         write_worlds   (wd, &mainvar->world);
2412         write_texts    (wd, &mainvar->text);
2413         write_sounds   (wd, &mainvar->sound);
2414         write_groups   (wd, &mainvar->group);
2415         write_armatures(wd, &mainvar->armature);
2416         write_actions  (wd, &mainvar->action);
2417         write_objects  (wd, &mainvar->object);
2418         write_materials(wd, &mainvar->mat);
2419         write_textures (wd, &mainvar->tex);
2420         write_meshs    (wd, &mainvar->mesh);
2421         write_particlesettings(wd, &mainvar->particle);
2422         write_nodetrees(wd, &mainvar->nodetree);
2423         write_brushes  (wd, &mainvar->brush);
2424         write_scripts  (wd, &mainvar->script);
2425         write_gpencils (wd, &mainvar->gpencil);
2426         write_libraries(wd,  mainvar->next);
2427
2428         if (write_user_block) {
2429                 write_userdef(wd);
2430         }
2431                                                         
2432         /* dna as last, because (to be implemented) test for which structs are written */
2433         writedata(wd, DNA1, wd->sdna->datalen, wd->sdna->data);
2434
2435         /* end of file */
2436         memset(&bhead, 0, sizeof(BHead));
2437         bhead.code= ENDB;
2438         mywrite(wd, &bhead, sizeof(BHead));
2439
2440         blo_join_main(&mainlist);
2441
2442         return endwrite(wd);
2443 }
2444
2445 /* return: success (1) */
2446 int BLO_write_file(Main *mainvar, char *dir, int write_flags, ReportList *reports)
2447 {
2448         char userfilename[FILE_MAXDIR+FILE_MAXFILE];
2449         char tempname[FILE_MAXDIR+FILE_MAXFILE+1];
2450         int file, err, write_user_block;
2451
2452         /* open temporary file, so we preserve the original in case we crash */
2453         BLI_snprintf(tempname, sizeof(tempname), "%s@", dir);
2454
2455         file = open(tempname,O_BINARY+O_WRONLY+O_CREAT+O_TRUNC, 0666);
2456         if(file == -1) {
2457                 BKE_report(reports, RPT_ERROR, "Unable to open file for writing.");
2458                 return 0;
2459         }
2460
2461         /* remapping of relative paths to new file location */
2462         if(write_flags & G_FILE_RELATIVE_REMAP) {
2463                 char dir1[FILE_MAXDIR+FILE_MAXFILE];
2464                 char dir2[FILE_MAXDIR+FILE_MAXFILE];
2465                 BLI_split_dirfile(dir, dir1, NULL);
2466                 BLI_split_dirfile(mainvar->name, dir2, NULL);
2467
2468                 /* just incase there is some subtle difference */
2469                 BLI_cleanup_dir(mainvar->name, dir1);
2470                 BLI_cleanup_dir(mainvar->name, dir2);
2471
2472                 if(strcmp(dir1, dir2)==0)
2473                         write_flags &= ~G_FILE_RELATIVE_REMAP;
2474                 else
2475                         makeFilesAbsolute(G.sce, NULL);
2476         }
2477
2478         BLI_make_file_string(G.sce, userfilename, BLI_gethome(), ".B25.blend");
2479         write_user_block= BLI_streq(dir, userfilename);
2480
2481         if(write_flags & G_FILE_RELATIVE_REMAP)
2482                 makeFilesRelative(dir, NULL); /* note, making relative to something OTHER then G.sce */
2483
2484         /* actual file writing */
2485         err= write_file_handle(mainvar, file, NULL,NULL, write_user_block, write_flags);
2486         close(file);
2487
2488         /* rename/compress */
2489         if(!err) {
2490                 if(write_flags & G_FILE_COMPRESS) {
2491                         /* compressed files have the same ending as regular files... only from 2.4!!! */
2492                         char gzname[FILE_MAXDIR+FILE_MAXFILE+4];
2493                         int ret;
2494
2495                         /* first write compressed to separate @.gz */
2496                         BLI_snprintf(gzname, sizeof(gzname), "%s@.gz", dir);
2497                         ret = BLI_gzip(tempname, gzname);
2498                         
2499                         if(0==ret) {
2500                                 /* now rename to real file name, and delete temp @ file too */
2501                                 if(BLI_rename(gzname, dir) != 0) {
2502                                         BKE_report(reports, RPT_ERROR, "Can't change old file. File saved with @.");
2503                                         return 0;
2504                                 }
2505
2506                                 BLI_delete(tempname, 0, 0);
2507                         }
2508                         else if(-1==ret) {
2509                                 BKE_report(reports, RPT_ERROR, "Failed opening .gz file.");
2510                                 return 0;
2511                         }
2512                         else if(-2==ret) {
2513                                 BKE_report(reports, RPT_ERROR, "Failed opening .blend file for compression.");
2514                                 return 0;
2515                         }
2516                 }
2517                 else if(BLI_rename(tempname, dir) != 0) {
2518                         BKE_report(reports, RPT_ERROR, "Can't change old file. File saved with @");
2519                         return 0;
2520                 }
2521                 
2522         }
2523         else {
2524                 BKE_report(reports, RPT_ERROR, strerror(errno));
2525                 remove(tempname);
2526
2527                 return 0;
2528         }
2529
2530         return 1;
2531 }
2532
2533 /* return: success (1) */
2534 int BLO_write_file_mem(Main *mainvar, MemFile *compare, MemFile *current, int write_flags, ReportList *reports)
2535 {
2536         int err;
2537
2538         err= write_file_handle(mainvar, 0, compare, current, 0, write_flags);
2539         
2540         if(err==0) return 1;
2541         return 0;
2542 }
2543
2544
2545         /* Runtime writing */
2546
2547 #ifdef WIN32
2548 #define PATHSEPERATOR           "\\"
2549 #else
2550 #define PATHSEPERATOR           "/"
2551 #endif
2552
2553 static char *get_runtime_path(char *exename) {
2554         char *installpath= get_install_dir();
2555
2556         if (!installpath) {
2557                 return NULL;
2558         } else {
2559                 char *path= MEM_mallocN(strlen(installpath)+strlen(PATHSEPERATOR)+strlen(exename)+1, "runtimepath");
2560
2561                 if (path == NULL) {
2562                         MEM_freeN(installpath);
2563                         return NULL;
2564                 }
2565
2566                 strcpy(path, installpath);
2567                 strcat(path, PATHSEPERATOR);
2568                 strcat(path, exename);
2569
2570                 MEM_freeN(installpath);
2571
2572                 return path;
2573         }
2574 }
2575
2576 #ifdef __APPLE__
2577
2578 static int recursive_copy_runtime(char *outname, char *exename, ReportList *reports)
2579 {
2580         char *runtime = get_runtime_path(exename);
2581         char command[2 * (FILE_MAXDIR+FILE_MAXFILE) + 32];
2582         int progfd = -1, error= 0;
2583
2584         if (!runtime) {
2585                 BKE_report(reports, RPT_ERROR, "Unable to find runtime");
2586                 error= 1;
2587                 goto cleanup;
2588         }
2589         //printf("runtimepath %s\n", runtime);
2590                 
2591         progfd= open(runtime, O_BINARY|O_RDONLY, 0);
2592         if (progfd==-1) {
2593                 BKE_report(reports, RPT_ERROR, "Unable to find runtime");
2594                 error= 1;
2595                 goto cleanup;
2596         }
2597
2598         sprintf(command, "/bin/cp -R \"%s\" \"%s\"", runtime, outname);
2599         //printf("command %s\n", command);
2600         if (system(command) == -1) {
2601                 BKE_report(reports, RPT_ERROR, "Couldn't copy runtime");
2602                 error= 1;
2603         }
2604
2605 cleanup:
2606         if (progfd!=-1)
2607                 close(progfd);
2608         if (runtime)
2609                 MEM_freeN(runtime);
2610
2611         return !error;
2612 }
2613
2614 int BLO_write_runtime(Main *mainvar, char *file, char *exename, ReportList *reports) 
2615 {
2616         char gamename[FILE_MAXDIR+FILE_MAXFILE];
2617         int outfd = -1, error= 0;
2618
2619         // remove existing file / bundle
2620         //printf("Delete file %s\n", file);
2621         BLI_delete(file, 0, TRUE);
2622
2623         if (!recursive_copy_runtime(file, exename, reports)) {
2624                 error= 1;
2625                 goto cleanup;
2626         }
2627
2628         strcpy(gamename, file);
2629         strcat(gamename, "/Contents/Resources/game.blend");
2630         //printf("gamename %s\n", gamename);
2631         outfd= open(gamename, O_BINARY|O_WRONLY|O_CREAT|O_TRUNC, 0777);
2632         if (outfd != -1) {
2633
2634                 write_file_handle(mainvar, outfd, NULL,NULL, 0, G.fileflags);
2635
2636                 if (write(outfd, " ", 1) != 1) {
2637                         BKE_report(reports, RPT_ERROR, "Unable to write to output file.");
2638                         error= 1;
2639                         goto cleanup;
2640                 }
2641         } else {
2642                 BKE_report(reports, RPT_ERROR, "Unable to open blenderfile.");
2643                 error= 1;
2644         }
2645
2646 cleanup:
2647         if (outfd!=-1)
2648                 close(outfd);
2649
2650         BKE_reports_prepend(reports, "Unable to make runtime: ");
2651         return !error;
2652 }
2653
2654 #else /* !__APPLE__ */
2655
2656 static int handle_append_runtime(int handle, char *exename, ReportList *reports)
2657 {
2658         char *runtime= get_runtime_path(exename);
2659         unsigned char buf[1024];
2660         int count, progfd= -1, error= 0;
2661
2662         if (!BLI_exists(runtime)) {
2663                 BKE_report(reports, RPT_ERROR, "Unable to find runtime.");
2664                 error= 1;
2665                 goto cleanup;
2666         }
2667
2668         progfd= open(runtime, O_BINARY|O_RDONLY, 0);
2669         if (progfd==-1) {
2670                 BKE_report(reports, RPT_ERROR, "Unable to find runtime.@");
2671                 error= 1;
2672                 goto cleanup;
2673         }
2674
2675         while ((count= read(progfd, buf, sizeof(buf)))>0) {
2676                 if (write(handle, buf, count)!=count) {
2677                         BKE_report(reports, RPT_ERROR, "Unable to write to output file.");
2678                         error= 1;
2679                         goto cleanup;
2680                 }
2681         }
2682
2683 cleanup:
2684         if (progfd!=-1)
2685                 close(progfd);
2686         if (runtime)
2687                 MEM_freeN(runtime);
2688
2689         return !error;
2690 }
2691
2692 static int handle_write_msb_int(int handle, int i) 
2693 {
2694         unsigned char buf[4];
2695         buf[0]= (i>>24)&0xFF;
2696         buf[1]= (i>>16)&0xFF;
2697         buf[2]= (i>>8)&0xFF;
2698         buf[3]= (i>>0)&0xFF;
2699
2700         return (write(handle, buf, 4)==4);
2701 }
2702
2703 int BLO_write_runtime(Main *mainvar, char *file, char *exename, ReportList *reports)
2704 {
2705         int outfd= open(file, O_BINARY|O_WRONLY|O_CREAT|O_TRUNC, 0777);
2706         int datastart, error= 0;
2707
2708         if (!outfd) {
2709                 BKE_report(reports, RPT_ERROR, "Unable to open output file.");
2710                 error= 1;
2711                 goto cleanup;
2712         }
2713         if (!handle_append_runtime(outfd, exename, reports)) {
2714                 error= 1;
2715                 goto cleanup;
2716         }
2717
2718         datastart= lseek(outfd, 0, SEEK_CUR);
2719
2720         write_file_handle(mainvar, outfd, NULL,NULL, 0, G.fileflags);
2721
2722         if (!handle_write_msb_int(outfd, datastart) || (write(outfd, "BRUNTIME", 8)!=8)) {
2723                 BKE_report(reports, RPT_ERROR, "Unable to write to output file.");
2724                 error= 1;
2725                 goto cleanup;
2726         }
2727
2728 cleanup:
2729         if (outfd!=-1)
2730                 close(outfd);
2731
2732         BKE_reports_prepend(reports, "Unable to make runtime: ");
2733         return !error;
2734 }
2735
2736 #endif /* !__APPLE__ */