svn merge -r 12937:13095 https://svn.blender.org/svnroot/bf-blender/trunk/blender
[blender-staging.git] / source / blender / blenloader / intern / writefile.c
1 /* writefile.c
2  *
3  * .blend file writing
4  *
5  * $Id$
6  *
7  * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
8  *
9  * This program is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License
11  * as published by the Free Software Foundation; either version 2
12  * of the License, or (at your option) any later version. The Blender
13  * Foundation also sells licenses for use in proprietary software under
14  * the Blender License.  See http://www.blender.org/BL/ for information
15  * about this.
16  *
17  * This program is distributed in the hope that it will be useful,
18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20  * GNU General Public License for more details.
21  *
22  * You should have received a copy of the GNU General Public License
23  * along with this program; if not, write to the Free Software Foundation,
24  * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
25  *
26  * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
27  * All rights reserved.
28  *
29  * The Original Code is: all of this file.
30  *
31  * Contributor(s): none yet.
32  *
33  * ***** END GPL/BL DUAL LICENSE BLOCK *****
34  */
35
36 /*
37 FILEFORMAT: IFF-style structure  (but not IFF compatible!)
38
39 start file:
40         BLENDER_V100    12 bytes  (versie 1.00)
41                                         V = big endian, v = little endian
42                                         _ = 4 byte pointer, - = 8 byte pointer
43
44 datablocks:             also see struct BHead
45         <bh.code>                       4 chars
46         <bh.len>                        int,  len data after BHead
47         <bh.old>                        void,  old pointer
48         <bh.SDNAnr>                     int
49         <bh.nr>                         int, in case of array: amount of structs
50         data
51         ...
52         ...
53
54 Almost all data in Blender are structures. Each struct saved
55 gets a BHead header.  With BHead the struct can be linked again
56 and compared with StructDNA .
57
58 WRITE
59
60 Preferred writing order: (not really a must, but why would you do it random?)
61 Any case: direct data is ALWAYS after the lib block
62
63 (Local file data)
64 - for each LibBlock
65         - write LibBlock
66         - write associated direct data
67 (External file data)
68 - per library
69         - write library block
70         - per LibBlock
71                 - write the ID of LibBlock
72 - write FileGlobal (some global vars)
73 - write SDNA
74 - write USER if filename is ~/.B.blend
75 */
76
77 /* for version 2.2+
78 Important to know is that 'streaming' has been added to files, for Blender Publisher
79 */
80
81
82 #ifdef HAVE_CONFIG_H
83 #include <config.h>
84 #endif
85
86 #include "zlib.h"
87
88 #ifndef WIN32
89 #include <unistd.h>
90 #else
91 #include "winsock2.h"
92 #include "BLI_winstuff.h"
93 #include <io.h>
94 #include <process.h> // for getpid
95 #endif
96
97 #include <math.h>
98 #include <fcntl.h>
99 #include <stdio.h>
100 #include <string.h>
101 #include <stdlib.h>
102
103 #include "nla.h" //  __NLA is defined
104
105 #include "DNA_armature_types.h"
106 #include "DNA_action_types.h"
107 #include "DNA_actuator_types.h"
108 #include "DNA_brush_types.h"
109 #include "DNA_camera_types.h"
110 #include "DNA_cloth_types.h"
111 #include "DNA_color_types.h"
112 #include "DNA_constraint_types.h"
113 #include "DNA_controller_types.h"
114 #include "DNA_curve_types.h"
115 #include "DNA_customdata_types.h"
116 #include "DNA_effect_types.h"
117 #include "DNA_group_types.h"
118 #include "DNA_image_types.h"
119 #include "DNA_ipo_types.h"
120 #include "DNA_fileglobal_types.h"
121 #include "DNA_key_types.h"
122 #include "DNA_lattice_types.h"
123 #include "DNA_listBase.h" /* for Listbase, the type of samples, ...*/
124 #include "DNA_lamp_types.h"
125 #include "DNA_meta_types.h"
126 #include "DNA_mesh_types.h"
127 #include "DNA_meshdata_types.h"
128 #include "DNA_material_types.h"
129 #include "DNA_modifier_types.h"
130 #include "DNA_nla_types.h"
131 #include "DNA_node_types.h"
132 #include "DNA_object_types.h"
133 #include "DNA_object_force.h"
134 #include "DNA_oops_types.h"
135 #include "DNA_packedFile_types.h"
136 #include "DNA_particle_types.h"
137 #include "DNA_property_types.h"
138 #include "DNA_scene_types.h"
139 #include "DNA_sdna_types.h"
140 #include "DNA_sequence_types.h"
141 #include "DNA_sensor_types.h"
142 #include "DNA_space_types.h"
143 #include "DNA_screen_types.h"
144 #include "DNA_sound_types.h"
145 #include "DNA_texture_types.h"
146 #include "DNA_text_types.h"
147 #include "DNA_view3d_types.h"
148 #include "DNA_vfont_types.h"
149 #include "DNA_userdef_types.h"
150 #include "DNA_world_types.h"
151
152 #include "MEM_guardedalloc.h" // MEM_freeN
153 #include "BLI_blenlib.h"
154 #include "BLI_linklist.h"
155
156 #include "BKE_action.h"
157 #include "BKE_bad_level_calls.h" // build_seqar (from WHILE_SEQ) free_oops error
158 #include "BKE_blender.h"
159 #include "BKE_cloth.h"
160 #include "BKE_curve.h"
161 #include "BKE_customdata.h"
162 #include "BKE_constraint.h"
163 #include "BKE_global.h" // for G
164 #include "BKE_library.h" // for  set_listbasepointers
165 #include "BKE_main.h" // G.main
166 #include "BKE_node.h"
167 #include "BKE_packedFile.h" // for packAll
168 #include "BKE_screen.h" // for waitcursor
169 #include "BKE_scene.h" // for do_seq
170 #include "BKE_sound.h" /* ... and for samples */
171 #include "BKE_utildefines.h" // for defines
172 #include "BKE_modifier.h"
173 #include "BKE_idprop.h"
174 #ifdef WITH_VERSE
175 #include "BKE_verse.h"
176 #include "BIF_verse.h"
177 #endif
178
179 #include "GEN_messaging.h"
180
181 #include "BLO_writefile.h"
182 #include "BLO_readfile.h"
183 #include "BLO_undofile.h"
184
185 #include "readfile.h"
186 #include "genfile.h"
187
188 #include <errno.h>
189
190 /* ********* my write, buffered writing with minimum 50k chunks ************ */
191
192 typedef struct {
193         struct SDNA *sdna;
194
195         int file;
196         unsigned char *buf;
197         MemFile *compare, *current;
198         
199         int tot, count, error, memsize;
200 } WriteData;
201
202 static WriteData *writedata_new(int file)
203 {
204         extern unsigned char DNAstr[];  /* DNA.c */
205         extern int DNAlen;
206
207         WriteData *wd= MEM_callocN(sizeof(*wd), "writedata");
208
209                 /* XXX, see note about this in readfile.c, remove
210                  * once we have an xp lock - zr
211                  */
212
213         if (wd == NULL) return NULL;
214
215         wd->sdna= dna_sdna_from_data(DNAstr, DNAlen, 0);
216
217         wd->file= file;
218
219         wd->buf= MEM_mallocN(100000, "wd->buf");
220
221         return wd;
222 }
223
224 static void writedata_do_write(WriteData *wd, void *mem, int memlen)
225 {
226         if ((wd == NULL) || wd->error || (mem == NULL) || memlen < 1) return;
227         if (wd->error) return;
228
229         /* memory based save */
230         if(wd->current) {
231                 add_memfilechunk(NULL, wd->current, mem, memlen);
232         }
233         else {
234                 if (write(wd->file, mem, memlen) != memlen)
235                         wd->error= 1;
236                 
237         }
238 }
239
240 static void writedata_free(WriteData *wd)
241 {
242         dna_freestructDNA(wd->sdna);
243
244         MEM_freeN(wd->buf);
245         MEM_freeN(wd);
246 }
247
248 /***/
249
250 int mywfile;
251
252 /**
253  * Low level WRITE(2) wrapper that buffers data
254  * @param adr Pointer to new chunk of data
255  * @param len Length of new chunk of data
256  * @warning Talks to other functions with global parameters
257  */
258  
259 #define MYWRITE_FLUSH   NULL
260
261 static void mywrite( WriteData *wd, void *adr, int len)
262 {
263         if (wd->error) return;
264
265         if(adr==MYWRITE_FLUSH) {
266                 if(wd->count) {
267                         writedata_do_write(wd, wd->buf, wd->count);
268                         wd->count= 0;
269                 }
270                 return;
271         }
272
273         wd->tot+= len;
274         
275         if(len>50000) {
276                 if(wd->count) {
277                         writedata_do_write(wd, wd->buf, wd->count);
278                         wd->count= 0;
279                 }
280                 writedata_do_write(wd, adr, len);
281                 return;
282         }
283         if(len+wd->count>99999) {
284                 writedata_do_write(wd, wd->buf, wd->count);
285                 wd->count= 0;
286         }
287         memcpy(&wd->buf[wd->count], adr, len);
288         wd->count+= len;
289
290 }
291
292 /**
293  * BeGiN initializer for mywrite
294  * @param file File descriptor
295  * @param write_flags Write parameters
296  * @warning Talks to other functions with global parameters
297  */
298 static WriteData *bgnwrite(int file, MemFile *compare, MemFile *current, int write_flags)
299 {
300         WriteData *wd= writedata_new(file);
301
302         if (wd == NULL) return NULL;
303
304         wd->compare= compare;
305         wd->current= current;
306         /* this inits comparing */
307         add_memfilechunk(compare, NULL, NULL, 0);
308         
309         return wd;
310 }
311
312 /**
313  * END the mywrite wrapper
314  * @return 1 if write failed
315  * @return unknown global variable otherwise
316  * @warning Talks to other functions with global parameters
317  */
318 static int endwrite(WriteData *wd)
319 {
320         int err;
321
322         if (wd->count) {
323                 writedata_do_write(wd, wd->buf, wd->count);
324                 wd->count= 0;
325         }
326         
327         err= wd->error;
328         writedata_free(wd);
329
330         return err;
331 }
332
333 /* ********** WRITE FILE ****************** */
334
335 static void writestruct(WriteData *wd, int filecode, char *structname, int nr, void *adr)
336 {
337         BHead bh;
338         short *sp;
339
340         if(adr==NULL || nr==0) return;
341
342         /* init BHead */
343         bh.code= filecode;
344         bh.old= adr;
345         bh.nr= nr;
346
347         bh.SDNAnr= dna_findstruct_nr(wd->sdna, structname);
348         if(bh.SDNAnr== -1) {
349                 printf("error: can't find SDNA code <%s>\n", structname);
350                 return;
351         }
352         sp= wd->sdna->structs[bh.SDNAnr];
353
354         bh.len= nr*wd->sdna->typelens[sp[0]];
355
356         if(bh.len==0) return;
357
358         mywrite(wd, &bh, sizeof(BHead));
359         mywrite(wd, adr, bh.len);
360 }
361
362 static void writedata(WriteData *wd, int filecode, int len, void *adr)  /* do not use for structs */
363 {
364         BHead bh;
365
366         if(adr==0) return;
367         if(len==0) return;
368
369         len+= 3;
370         len-= ( len % 4);
371
372         /* init BHead */
373         bh.code= filecode;
374         bh.old= adr;
375         bh.nr= 1;
376         bh.SDNAnr= 0;
377         bh.len= len;
378
379         mywrite(wd, &bh, sizeof(BHead));
380         if(len) mywrite(wd, adr, len);
381 }
382
383 /* *************** writing some direct data structs used in more code parts **************** */
384 /*These functions are used by blender's .blend system for file saving/loading.*/
385 void IDP_WriteProperty_OnlyData(IDProperty *prop, void *wd);
386 void IDP_WriteProperty(IDProperty *prop, void *wd);
387
388 void IDP_WriteArray(IDProperty *prop, void *wd)
389 {
390         /*REMEMBER to set totalen to len in the linking code!!*/
391         if (prop->data.pointer) {
392                 writedata(wd, DATA, MEM_allocN_len(prop->data.pointer), prop->data.pointer);
393         }
394 }
395
396 void IDP_WriteString(IDProperty *prop, void *wd)
397 {
398         /*REMEMBER to set totalen to len in the linking code!!*/
399         writedata(wd, DATA, prop->len+1, prop->data.pointer);
400 }
401
402 void IDP_WriteGroup(IDProperty *prop, void *wd)
403 {
404         IDProperty *loop;
405
406         for (loop=prop->data.group.first; loop; loop=loop->next) {
407                 IDP_WriteProperty(loop, wd);
408         }
409 }
410
411 /* Functions to read/write ID Properties */
412 void IDP_WriteProperty_OnlyData(IDProperty *prop, void *wd)
413 {
414         switch (prop->type) {
415                 case IDP_GROUP:
416                         IDP_WriteGroup(prop, wd);
417                         break;
418                 case IDP_STRING:
419                         IDP_WriteString(prop, wd);
420                         break;
421                 case IDP_ARRAY:
422                         IDP_WriteArray(prop, wd);
423                         break;
424         }
425 }
426
427 void IDP_WriteProperty(IDProperty *prop, void *wd)
428 {
429         writestruct(wd, DATA, "IDProperty", 1, prop);
430         IDP_WriteProperty_OnlyData(prop, wd);
431 }
432
433 static void write_curvemapping(WriteData *wd, CurveMapping *cumap)
434 {
435         int a;
436         
437         writestruct(wd, DATA, "CurveMapping", 1, cumap);
438         for(a=0; a<CM_TOT; a++)
439                 writestruct(wd, DATA, "CurveMapPoint", cumap->cm[a].totpoint, cumap->cm[a].curve);
440 }
441
442 /* this is only direct data, tree itself should have been written */
443 static void write_nodetree(WriteData *wd, bNodeTree *ntree)
444 {
445         bNode *node;
446         bNodeSocket *sock;
447         bNodeLink *link;
448         
449         /* for link_list() speed, we write per list */
450         
451         for(node= ntree->nodes.first; node; node= node->next)
452                 writestruct(wd, DATA, "bNode", 1, node);
453
454         for(node= ntree->nodes.first; node; node= node->next) {
455                 if(node->storage) {
456                         /* could be handlerized at some point, now only 1 exception still */
457                         if(ntree->type==NTREE_SHADER && (node->type==SH_NODE_CURVE_VEC || node->type==SH_NODE_CURVE_RGB))
458                                 write_curvemapping(wd, node->storage);
459                         else if(ntree->type==NTREE_COMPOSIT && (node->type==CMP_NODE_TIME || node->type==CMP_NODE_CURVE_VEC || node->type==CMP_NODE_CURVE_RGB))
460                                 write_curvemapping(wd, node->storage);
461                         else 
462                                 writestruct(wd, DATA, node->typeinfo->storagename, 1, node->storage);
463                 }
464                 for(sock= node->inputs.first; sock; sock= sock->next)
465                         writestruct(wd, DATA, "bNodeSocket", 1, sock);
466                 for(sock= node->outputs.first; sock; sock= sock->next)
467                         writestruct(wd, DATA, "bNodeSocket", 1, sock);
468         }
469         
470         for(link= ntree->links.first; link; link= link->next)
471                 writestruct(wd, DATA, "bNodeLink", 1, link);
472 }
473
474 static void write_scriptlink(WriteData *wd, ScriptLink *slink)
475 {
476         writedata(wd, DATA, sizeof(void *)*slink->totscript, slink->scripts);
477         writedata(wd, DATA, sizeof(short)*slink->totscript, slink->flag);
478 }
479
480 static void write_renderinfo(WriteData *wd)             /* for renderdeamon */
481 {
482         Scene *sce;
483         int data[8];
484
485         sce= G.main->scene.first;
486         while(sce) {
487                 if(sce->id.lib==0  && ( sce==G.scene || (sce->r.scemode & R_BG_RENDER)) ) {
488                         data[0]= sce->r.sfra;
489                         data[1]= sce->r.efra;
490
491                         memset(data+2, 0, sizeof(int)*6);
492                         strncpy((char *)(data+2), sce->id.name+2, 21);
493
494                         writedata(wd, REND, 32, data);
495                 }
496                 sce= sce->id.next;
497         }
498 }
499
500 static void write_userdef(WriteData *wd)
501 {
502         bTheme *btheme;
503
504         writestruct(wd, USER, "UserDef", 1, &U);
505
506         btheme= U.themes.first;
507         while(btheme) {
508                 writestruct(wd, DATA, "bTheme", 1, btheme);
509                 btheme= btheme->next;
510         }
511 }
512
513 static void write_effects(WriteData *wd, ListBase *lb)
514 {
515         Effect *eff;
516
517         eff= lb->first;
518         while(eff) {
519
520                 switch(eff->type) {
521                 case EFF_PARTICLE:
522                         writestruct(wd, DATA, "PartEff", 1, eff);
523                         break;
524                 default:
525                         writedata(wd, DATA, MEM_allocN_len(eff), eff);
526                 }
527
528                 eff= eff->next;
529         }
530 }
531
532 static void write_particlesettings(WriteData *wd, ListBase *idbase)
533 {
534         ParticleSettings *part;
535
536         part= idbase->first;
537         while(part) {
538                 if(part->id.us>0 || wd->current) {
539                         /* write LibData */
540                         writestruct(wd, ID_PA, "ParticleSettings", 1, part);
541                         writestruct(wd, DATA, "PartDeflect", 1, part->pd);
542                 }
543                 part= part->id.next;
544         }
545 }
546 static void write_particlesystems(WriteData *wd, ListBase *particles)
547 {
548         ParticleSystem *psys= particles->first;
549         int a;
550
551         for(; psys; psys=psys->next) {
552                 writestruct(wd, DATA, "ParticleSystem", 1, psys);
553
554                 if(psys->particles) {
555                         writestruct(wd, DATA, "ParticleData", psys->totpart ,psys->particles);
556
557                         if(psys->particles->hair) {
558                                 ParticleData *pa = psys->particles;
559
560                                 for(a=0; a<psys->totpart; a++, pa++)
561                                         writestruct(wd, DATA, "HairKey", pa->totkey, pa->hair);
562                         }
563                 }
564                 if(psys->child) writestruct(wd, DATA, "ChildParticle", psys->totchild ,psys->child);
565                 writestruct(wd, DATA, "SoftBody", 1, psys->soft);
566         }
567 }
568
569 static void write_properties(WriteData *wd, ListBase *lb)
570 {
571         bProperty *prop;
572
573         prop= lb->first;
574         while(prop) {
575                 writestruct(wd, DATA, "bProperty", 1, prop);
576
577                 if(prop->poin && prop->poin != &prop->data)
578                         writedata(wd, DATA, MEM_allocN_len(prop->poin), prop->poin);
579
580                 prop= prop->next;
581         }
582 }
583
584 static void write_sensors(WriteData *wd, ListBase *lb)
585 {
586         bSensor *sens;
587
588         sens= lb->first;
589         while(sens) {
590                 writestruct(wd, DATA, "bSensor", 1, sens);
591
592                 writedata(wd, DATA, sizeof(void *)*sens->totlinks, sens->links);
593
594                 switch(sens->type) {
595                 case SENS_NEAR:
596                         writestruct(wd, DATA, "bNearSensor", 1, sens->data);
597                         break;
598                 case SENS_MOUSE:
599                         writestruct(wd, DATA, "bMouseSensor", 1, sens->data);
600                         break;
601                 case SENS_TOUCH:
602                         writestruct(wd, DATA, "bTouchSensor", 1, sens->data);
603                         break;
604                 case SENS_KEYBOARD:
605                         writestruct(wd, DATA, "bKeyboardSensor", 1, sens->data);
606                         break;
607                 case SENS_PROPERTY:
608                         writestruct(wd, DATA, "bPropertySensor", 1, sens->data);
609                         break;
610                 case SENS_COLLISION:
611                         writestruct(wd, DATA, "bCollisionSensor", 1, sens->data);
612                         break;
613                 case SENS_RADAR:
614                         writestruct(wd, DATA, "bRadarSensor", 1, sens->data);
615                         break;
616                 case SENS_RANDOM:
617                         writestruct(wd, DATA, "bRandomSensor", 1, sens->data);
618                         break;
619                 case SENS_RAY:
620                         writestruct(wd, DATA, "bRaySensor", 1, sens->data);
621                         break;
622                 case SENS_MESSAGE:
623                         writestruct(wd, DATA, "bMessageSensor", 1, sens->data);
624                         break;
625                 case SENS_JOYSTICK:
626                         writestruct(wd, DATA, "bJoystickSensor", 1, sens->data);
627                         break;
628                 default:
629                         ; /* error: don't know how to write this file */
630                 }
631
632                 sens= sens->next;
633         }
634 }
635
636 static void write_controllers(WriteData *wd, ListBase *lb)
637 {
638         bController *cont;
639
640         cont= lb->first;
641         while(cont) {
642                 writestruct(wd, DATA, "bController", 1, cont);
643
644                 writedata(wd, DATA, sizeof(void *)*cont->totlinks, cont->links);
645
646                 switch(cont->type) {
647                 case CONT_EXPRESSION:
648                         writestruct(wd, DATA, "bExpressionCont", 1, cont->data);
649                         break;
650                 case CONT_PYTHON:
651                         writestruct(wd, DATA, "bPythonCont", 1, cont->data);
652                         break;
653                 default:
654                         ; /* error: don't know how to write this file */
655                 }
656
657                 cont= cont->next;
658         }
659 }
660
661 static void write_actuators(WriteData *wd, ListBase *lb)
662 {
663         bActuator *act;
664
665         act= lb->first;
666         while(act) {
667                 writestruct(wd, DATA, "bActuator", 1, act);
668
669                 switch(act->type) {
670                 case ACT_ACTION:
671                         writestruct(wd, DATA, "bActionActuator", 1, act->data);
672                         break;
673                 case ACT_SOUND:
674                         writestruct(wd, DATA, "bSoundActuator", 1, act->data);
675                         break;
676                 case ACT_CD:
677                         writestruct(wd, DATA, "bCDActuator", 1, act->data);
678                         break;
679                 case ACT_OBJECT:
680                         writestruct(wd, DATA, "bObjectActuator", 1, act->data);
681                         break;
682                 case ACT_IPO:
683                         writestruct(wd, DATA, "bIpoActuator", 1, act->data);
684                         break;
685                 case ACT_PROPERTY:
686                         writestruct(wd, DATA, "bPropertyActuator", 1, act->data);
687                         break;
688                 case ACT_CAMERA:
689                         writestruct(wd, DATA, "bCameraActuator", 1, act->data);
690                         break;
691                 case ACT_CONSTRAINT:
692                         writestruct(wd, DATA, "bConstraintActuator", 1, act->data);
693                         break;
694                 case ACT_EDIT_OBJECT:
695                         writestruct(wd, DATA, "bEditObjectActuator", 1, act->data);
696                         break;
697                 case ACT_SCENE:
698                         writestruct(wd, DATA, "bSceneActuator", 1, act->data);
699                         break;
700                 case ACT_GROUP:
701                         writestruct(wd, DATA, "bGroupActuator", 1, act->data);
702                         break;
703                 case ACT_RANDOM:
704                         writestruct(wd, DATA, "bRandomActuator", 1, act->data);
705                         break;
706                 case ACT_MESSAGE:
707                         writestruct(wd, DATA, "bMessageActuator", 1, act->data);
708                         break;
709                 case ACT_GAME:
710                         writestruct(wd, DATA, "bGameActuator", 1, act->data);
711                         break;
712                 case ACT_VISIBILITY:
713                         writestruct(wd, DATA, "bVisibilityActuator", 1, act->data);
714                         break;
715                 default:
716                         ; /* error: don't know how to write this file */
717                 }
718
719                 act= act->next;
720         }
721 }
722
723 static void write_nlastrips(WriteData *wd, ListBase *nlabase)
724 {
725         bActionStrip *strip;
726         bActionModifier *amod;
727         
728         for (strip=nlabase->first; strip; strip=strip->next)
729                 writestruct(wd, DATA, "bActionStrip", 1, strip);
730         for (strip=nlabase->first; strip; strip=strip->next) {
731                 for(amod= strip->modifiers.first; amod; amod= amod->next)
732                         writestruct(wd, DATA, "bActionModifier", 1, amod);
733         }
734 }
735
736 static void write_constraints(WriteData *wd, ListBase *conlist)
737 {
738         bConstraint *con;
739
740         for (con=conlist->first; con; con=con->next) {
741                 bConstraintTypeInfo *cti= constraint_get_typeinfo(con);
742                 
743                 /* Write the specific data */
744                 if (cti && con->data) {
745                         /* firstly, just write the plain con->data struct */
746                         writestruct(wd, DATA, cti->structName, 1, con->data);
747                         
748                         /* do any constraint specific stuff */
749                         switch (con->type) {
750                                 case CONSTRAINT_TYPE_PYTHON:
751                                 {
752                                         bPythonConstraint *data = (bPythonConstraint *)con->data;
753                                         bConstraintTarget *ct;
754                                         
755                                         /* write targets */
756                                         for (ct= data->targets.first; ct; ct= ct->next)
757                                                 writestruct(wd, DATA, "bConstraintTarget", 1, ct);
758                                         
759                                         /* Write ID Properties -- and copy this comment EXACTLY for easy finding
760                                          of library blocks that implement this.*/
761                                         IDP_WriteProperty(data->prop, wd);
762                                 }
763                                 break;
764                         }
765                 }
766                 
767                 /* Write the constraint */
768                 writestruct(wd, DATA, "bConstraint", 1, con);
769         }
770 }
771
772 static void write_pose(WriteData *wd, bPose *pose)
773 {
774         bPoseChannel *chan;
775
776         /* Write each channel */
777         if (!pose)
778                 return;
779
780         /* Write channels */
781         for (chan=pose->chanbase.first; chan; chan=chan->next) {
782                 write_constraints(wd, &chan->constraints);
783                 
784                 /* prevent crashes with autosave, when a bone duplicated in editmode has not yet been assigned to its posechannel */
785                 if (chan->bone) 
786                         chan->selectflag= chan->bone->flag & (BONE_SELECTED|BONE_ACTIVE); /* gets restored on read, for library armatures */
787                 
788                 writestruct(wd, DATA, "bPoseChannel", 1, chan);
789         }
790
791         /* Write this pose */
792         writestruct(wd, DATA, "bPose", 1, pose);
793 }
794
795 static void write_defgroups(WriteData *wd, ListBase *defbase)
796 {
797         bDeformGroup    *defgroup;
798
799         for (defgroup=defbase->first; defgroup; defgroup=defgroup->next)
800                 writestruct(wd, DATA, "bDeformGroup", 1, defgroup);
801 }
802
803 static void write_constraint_channels(WriteData *wd, ListBase *chanbase)
804 {
805         bConstraintChannel *chan;
806
807         for (chan = chanbase->first; chan; chan=chan->next)
808                 writestruct(wd, DATA, "bConstraintChannel", 1, chan);
809
810 }
811
812 static void write_modifiers(WriteData *wd, ListBase *modbase)
813 {
814         ModifierData *md;
815
816         if (modbase == NULL) return;
817         for (md=modbase->first; md; md= md->next) {
818                 ModifierTypeInfo *mti = modifierType_getInfo(md->type);
819                 if (mti == NULL) return;
820                 
821                 writestruct(wd, DATA, mti->structName, 1, md);
822                         
823                 if (md->type==eModifierType_Hook) {
824                         HookModifierData *hmd = (HookModifierData*) md;
825                         
826                         writedata(wd, DATA, sizeof(int)*hmd->totindex, hmd->indexar);
827                 }
828                 else if(md->type==eModifierType_Cloth) {
829                         ClothModifierData *clmd = (ClothModifierData*) md;
830                         writestruct(wd, DATA, "SimulationSettings", 1, clmd->sim_parms);
831                         writestruct(wd, DATA, "CollisionSettings", 1, clmd->coll_parms);
832                 } 
833                 else if (md->type==eModifierType_MeshDeform) {
834                         MeshDeformModifierData *mmd = (MeshDeformModifierData*) md;
835                         int size = mmd->dyngridsize;
836
837                         writedata(wd, DATA, sizeof(float)*mmd->totvert*mmd->totcagevert,
838                                 mmd->bindweights);
839                         writedata(wd, DATA, sizeof(float)*3*mmd->totcagevert,
840                                 mmd->bindcos);
841                         writestruct(wd, DATA, "MDefCell", size*size*size, mmd->dyngrid);
842                         writestruct(wd, DATA, "MDefInfluence", mmd->totinfluence, mmd->dyninfluences);
843                         writedata(wd, DATA, sizeof(int)*mmd->totvert, mmd->dynverts);
844                 }
845         }
846 }
847
848 static void write_objects(WriteData *wd, ListBase *idbase)
849 {
850         Object *ob;
851         
852         ob= idbase->first;
853         while(ob) {
854                 if(ob->id.us>0 || wd->current) {
855                         /* write LibData */
856 #ifdef WITH_VERSE
857                         /* pointer at vnode stored in file have to be NULL */
858                         struct VNode *vnode = (VNode*)ob->vnode;
859                         if(vnode) ob->vnode = NULL;
860 #endif
861                         writestruct(wd, ID_OB, "Object", 1, ob);
862 #ifdef WITH_VERSE
863                         if(vnode) ob->vnode = (void*)vnode;
864 #endif
865
866                         /*Write ID Properties -- and copy this comment EXACTLY for easy finding
867                           of library blocks that implement this.*/
868                         if (ob->id.properties) IDP_WriteProperty(ob->id.properties, wd);
869
870                         /* direct data */
871                         writedata(wd, DATA, sizeof(void *)*ob->totcol, ob->mat);
872                         write_effects(wd, &ob->effect);
873                         write_properties(wd, &ob->prop);
874                         write_sensors(wd, &ob->sensors);
875                         write_controllers(wd, &ob->controllers);
876                         write_actuators(wd, &ob->actuators);
877                         write_scriptlink(wd, &ob->scriptlink);
878                         write_pose(wd, ob->pose);
879                         write_defgroups(wd, &ob->defbase);
880                         write_constraints(wd, &ob->constraints);
881                         write_constraint_channels(wd, &ob->constraintChannels);
882                         write_nlastrips(wd, &ob->nlastrips);
883                         
884                         writestruct(wd, DATA, "PartDeflect", 1, ob->pd);
885                         writestruct(wd, DATA, "SoftBody", 1, ob->soft);
886                         writestruct(wd, DATA, "FluidsimSettings", 1, ob->fluidsimSettings); // NT
887                         
888                         write_particlesystems(wd, &ob->particlesystem);
889                         write_modifiers(wd, &ob->modifiers);
890                 }
891                 ob= ob->id.next;
892         }
893
894         /* flush helps the compression for undo-save */
895         mywrite(wd, MYWRITE_FLUSH, 0);
896 }
897
898
899 static void write_vfonts(WriteData *wd, ListBase *idbase)
900 {
901         VFont *vf;
902         PackedFile * pf;
903
904         vf= idbase->first;
905         while(vf) {
906                 if(vf->id.us>0 || wd->current) {
907                         /* write LibData */
908                         writestruct(wd, ID_VF, "VFont", 1, vf);
909                         if (vf->id.properties) IDP_WriteProperty(vf->id.properties, wd);
910
911                         /* direct data */
912
913                         if (vf->packedfile) {
914                                 pf = vf->packedfile;
915                                 writestruct(wd, DATA, "PackedFile", 1, pf);
916                                 writedata(wd, DATA, pf->size, pf->data);
917                         }
918                 }
919
920                 vf= vf->id.next;
921         }
922 }
923
924 static void write_ipos(WriteData *wd, ListBase *idbase)
925 {
926         Ipo *ipo;
927         IpoCurve *icu;
928
929         ipo= idbase->first;
930         while(ipo) {
931                 if(ipo->id.us>0 || wd->current) {
932                         /* write LibData */
933                         writestruct(wd, ID_IP, "Ipo", 1, ipo);
934                         if (ipo->id.properties) IDP_WriteProperty(ipo->id.properties, wd);
935
936                         /* direct data */
937                         icu= ipo->curve.first;
938                         while(icu) {
939                                 writestruct(wd, DATA, "IpoCurve", 1, icu);
940                                 icu= icu->next;
941                         }
942
943                         icu= ipo->curve.first;
944                         while(icu) {
945                                 if(icu->bezt)  writestruct(wd, DATA, "BezTriple", icu->totvert, icu->bezt);
946                                 if(icu->bp)  writestruct(wd, DATA, "BPoint", icu->totvert, icu->bp);
947                                 if(icu->driver)  writestruct(wd, DATA, "IpoDriver", 1, icu->driver);
948                                 icu= icu->next;
949                         }
950                 }
951
952                 ipo= ipo->id.next;
953         }
954
955         /* flush helps the compression for undo-save */
956         mywrite(wd, MYWRITE_FLUSH, 0);
957 }
958
959 static void write_keys(WriteData *wd, ListBase *idbase)
960 {
961         Key *key;
962         KeyBlock *kb;
963
964         key= idbase->first;
965         while(key) {
966                 if(key->id.us>0 || wd->current) {
967                         /* write LibData */
968                         writestruct(wd, ID_KE, "Key", 1, key);
969                         if (key->id.properties) IDP_WriteProperty(key->id.properties, wd);
970
971                         /* direct data */
972                         kb= key->block.first;
973                         while(kb) {
974                                 writestruct(wd, DATA, "KeyBlock", 1, kb);
975                                 if(kb->data) writedata(wd, DATA, kb->totelem*key->elemsize, kb->data);
976                                 kb= kb->next;
977                         }
978                 }
979
980                 key= key->id.next;
981         }
982         /* flush helps the compression for undo-save */
983         mywrite(wd, MYWRITE_FLUSH, 0);
984 }
985
986 static void write_cameras(WriteData *wd, ListBase *idbase)
987 {
988         Camera *cam;
989
990         cam= idbase->first;
991         while(cam) {
992                 if(cam->id.us>0 || wd->current) {
993                         /* write LibData */
994                         writestruct(wd, ID_CA, "Camera", 1, cam);
995                         if (cam->id.properties) IDP_WriteProperty(cam->id.properties, wd);
996
997                         /* direct data */
998                         write_scriptlink(wd, &cam->scriptlink);
999                 }
1000
1001                 cam= cam->id.next;
1002         }
1003 }
1004
1005 static void write_mballs(WriteData *wd, ListBase *idbase)
1006 {
1007         MetaBall *mb;
1008         MetaElem *ml;
1009
1010         mb= idbase->first;
1011         while(mb) {
1012                 if(mb->id.us>0 || wd->current) {
1013                         /* write LibData */
1014                         writestruct(wd, ID_MB, "MetaBall", 1, mb);
1015                         if (mb->id.properties) IDP_WriteProperty(mb->id.properties, wd);
1016
1017                         /* direct data */
1018                         writedata(wd, DATA, sizeof(void *)*mb->totcol, mb->mat);
1019
1020                         ml= mb->elems.first;
1021                         while(ml) {
1022                                 writestruct(wd, DATA, "MetaElem", 1, ml);
1023                                 ml= ml->next;
1024                         }
1025                 }
1026                 mb= mb->id.next;
1027         }
1028 }
1029
1030 int amount_of_chars(char *str)
1031 {
1032         // Since the data is saved as UTF-8 to the cu->str
1033         // The cu->len is not same as the strlen(cu->str)
1034         return strlen(str);
1035 }
1036
1037 static void write_curves(WriteData *wd, ListBase *idbase)
1038 {
1039         Curve *cu;
1040         Nurb *nu;
1041
1042         cu= idbase->first;
1043         while(cu) {
1044                 if(cu->id.us>0 || wd->current) {
1045                         /* write LibData */
1046                         writestruct(wd, ID_CU, "Curve", 1, cu);
1047
1048                         /* direct data */
1049                         writedata(wd, DATA, sizeof(void *)*cu->totcol, cu->mat);
1050                         if (cu->id.properties) IDP_WriteProperty(cu->id.properties, wd);
1051
1052                         if(cu->vfont) {
1053                                 writedata(wd, DATA, amount_of_chars(cu->str)+1, cu->str);
1054                                 writestruct(wd, DATA, "CharInfo", cu->len, cu->strinfo);
1055                                 writestruct(wd, DATA, "TextBox", cu->totbox, cu->tb);                           
1056                         }
1057                         else {
1058                                 /* is also the order of reading */
1059                                 nu= cu->nurb.first;
1060                                 while(nu) {
1061                                         writestruct(wd, DATA, "Nurb", 1, nu);
1062                                         nu= nu->next;
1063                                 }
1064                                 nu= cu->nurb.first;
1065                                 while(nu) {
1066                                         if( (nu->type & 7)==CU_BEZIER)
1067                                                 writestruct(wd, DATA, "BezTriple", nu->pntsu, nu->bezt);
1068                                         else {
1069                                                 writestruct(wd, DATA, "BPoint", nu->pntsu*nu->pntsv, nu->bp);
1070                                                 if(nu->knotsu) writedata(wd, DATA, KNOTSU(nu)*sizeof(float), nu->knotsu);
1071                                                 if(nu->knotsv) writedata(wd, DATA, KNOTSV(nu)*sizeof(float), nu->knotsv);
1072                                         }
1073                                         nu= nu->next;
1074                                 }
1075                         }
1076                 }
1077                 cu= cu->id.next;
1078         }
1079
1080         /* flush helps the compression for undo-save */
1081         mywrite(wd, MYWRITE_FLUSH, 0);
1082 }
1083
1084 static void write_dverts(WriteData *wd, int count, MDeformVert *dvlist)
1085 {
1086         if (dvlist) {
1087                 int     i;
1088                 
1089                 /* Write the dvert list */
1090                 writestruct(wd, DATA, "MDeformVert", count, dvlist);
1091                 
1092                 /* Write deformation data for each dvert */
1093                 for (i=0; i<count; i++) {
1094                         if (dvlist[i].dw)
1095                                 writestruct(wd, DATA, "MDeformWeight", dvlist[i].totweight, dvlist[i].dw);
1096                 }
1097         }
1098 }
1099
1100 static void write_customdata(WriteData *wd, int count, CustomData *data, int partial_type, int partial_count)
1101 {
1102         int i;
1103
1104         writestruct(wd, DATA, "CustomDataLayer", data->maxlayer, data->layers);
1105
1106         for (i=0; i<data->totlayer; i++) {
1107                 CustomDataLayer *layer= &data->layers[i];
1108                 char *structname;
1109                 int structnum, datasize;
1110
1111                 if (layer->type == CD_MDEFORMVERT) {
1112                         /* layer types that allocate own memory need special handling */
1113                         write_dverts(wd, count, layer->data);
1114                 }
1115                 else {
1116                         CustomData_file_write_info(layer->type, &structname, &structnum);
1117                         if (structnum) {
1118                                 /* when using partial visibility, the MEdge and MFace layers
1119                                    are smaller than the original, so their type and count is
1120                                    passed to make this work */
1121                                 if (layer->type != partial_type) datasize= structnum*count;
1122                                 else datasize= structnum*partial_count;
1123
1124                                 writestruct(wd, DATA, structname, datasize, layer->data);
1125                         }
1126                         else
1127                                 printf("error: this CustomDataLayer must not be written to file\n");
1128                 }
1129         }
1130 }
1131
1132 static void write_meshs(WriteData *wd, ListBase *idbase)
1133 {
1134         Mesh *mesh;
1135         MultiresLevel *lvl;
1136
1137         mesh= idbase->first;
1138         while(mesh) {
1139                 if(mesh->id.us>0 || wd->current) {
1140                         /* write LibData */
1141 #ifdef WITH_VERSE
1142                         struct VNode *vnode = (VNode*)mesh->vnode;
1143                         if(vnode) {
1144                                 /* mesh has to be created from verse geometry node*/
1145                                 create_meshdata_from_geom_node(mesh, vnode);
1146                                 /* pointer at verse node can't be stored in file */
1147                                 mesh->vnode = NULL;
1148                         }
1149 #endif
1150
1151                         writestruct(wd, ID_ME, "Mesh", 1, mesh);
1152 #ifdef WITH_VERSE
1153                         if(vnode) mesh->vnode = (void*)vnode;
1154 #endif
1155
1156                         /* direct data */
1157                         if (mesh->id.properties) IDP_WriteProperty(mesh->id.properties, wd);
1158
1159                         writedata(wd, DATA, sizeof(void *)*mesh->totcol, mesh->mat);
1160
1161                         if(mesh->pv) {
1162                                 write_customdata(wd, mesh->pv->totvert, &mesh->vdata, -1, 0);
1163                                 write_customdata(wd, mesh->pv->totedge, &mesh->edata,
1164                                         CD_MEDGE, mesh->totedge);
1165                                 write_customdata(wd, mesh->pv->totface, &mesh->fdata,
1166                                         CD_MFACE, mesh->totface);
1167                         }
1168                         else {
1169                                 write_customdata(wd, mesh->totvert, &mesh->vdata, -1, 0);
1170                                 write_customdata(wd, mesh->totedge, &mesh->edata, -1, 0);
1171                                 write_customdata(wd, mesh->totface, &mesh->fdata, -1, 0);
1172                         }
1173
1174                         /* Multires data */
1175                         writestruct(wd, DATA, "Multires", 1, mesh->mr);
1176                         if(mesh->mr) {
1177                                 lvl= mesh->mr->levels.first;
1178                                 if(lvl) {
1179                                         write_customdata(wd, lvl->totvert, &mesh->mr->vdata, -1, 0);
1180                                         write_customdata(wd, lvl->totface, &mesh->mr->fdata, -1, 0);
1181                                         writedata(wd, DATA, sizeof(short)*lvl->totedge, mesh->mr->edge_flags);
1182                                         writedata(wd, DATA, sizeof(char)*lvl->totedge, mesh->mr->edge_creases);
1183                                 }
1184
1185                                 for(; lvl; lvl= lvl->next) {
1186                                         writestruct(wd, DATA, "MultiresLevel", 1, lvl);
1187                                         writestruct(wd, DATA, "MultiresFace", lvl->totface, lvl->faces);
1188                                         writestruct(wd, DATA, "MultiresEdge", lvl->totedge, lvl->edges);
1189                                         writestruct(wd, DATA, "MultiresColFace", lvl->totface, lvl->colfaces);
1190                                 }
1191
1192                                 lvl= mesh->mr->levels.last;
1193                                 if(lvl)
1194                                         writestruct(wd, DATA, "MVert", lvl->totvert, mesh->mr->verts);
1195                         }
1196
1197                         /* PMV data */
1198                         if(mesh->pv) {
1199                                 writestruct(wd, DATA, "PartialVisibility", 1, mesh->pv);
1200                                 writedata(wd, DATA, sizeof(unsigned int)*mesh->pv->totvert, mesh->pv->vert_map);
1201                                 writedata(wd, DATA, sizeof(int)*mesh->pv->totedge, mesh->pv->edge_map);
1202                                 writestruct(wd, DATA, "MFace", mesh->pv->totface, mesh->pv->old_faces);
1203                                 writestruct(wd, DATA, "MEdge", mesh->pv->totedge, mesh->pv->old_edges);
1204                         }
1205                 }
1206                 mesh= mesh->id.next;
1207         }
1208 }
1209
1210 static void write_lattices(WriteData *wd, ListBase *idbase)
1211 {
1212         Lattice *lt;
1213         
1214         lt= idbase->first;
1215         while(lt) {
1216                 if(lt->id.us>0 || wd->current) {
1217                         /* write LibData */
1218                         writestruct(wd, ID_LT, "Lattice", 1, lt);
1219                         if (lt->id.properties) IDP_WriteProperty(lt->id.properties, wd);
1220
1221                         /* direct data */
1222                         writestruct(wd, DATA, "BPoint", lt->pntsu*lt->pntsv*lt->pntsw, lt->def);
1223                         
1224                         write_dverts(wd, lt->pntsu*lt->pntsv*lt->pntsw, lt->dvert);
1225                         
1226                 }
1227                 lt= lt->id.next;
1228         }
1229 }
1230
1231 static void write_previews(WriteData *wd, PreviewImage *prv)
1232 {
1233         if (prv) {
1234                 short w = prv->w[1];
1235                 short h = prv->h[1];
1236                 unsigned int *rect = prv->rect[1];
1237                 /* don't write out large previews if not requested */
1238                 if (!(U.flag & USER_SAVE_PREVIEWS) ) {
1239                         prv->w[1] = 0;
1240                         prv->h[1] = 0;
1241                         prv->rect[1] = NULL;
1242                 }
1243                 writestruct(wd, DATA, "PreviewImage", 1, prv);
1244                 if (prv->rect[0]) writedata(wd, DATA, prv->w[0]*prv->h[0]*sizeof(unsigned int), prv->rect[0]);
1245                 if (prv->rect[1]) writedata(wd, DATA, prv->w[1]*prv->h[1]*sizeof(unsigned int), prv->rect[1]);
1246
1247                 /* restore preview, we still want to keep it in memory even if not saved to file */
1248                 if (!(U.flag & USER_SAVE_PREVIEWS) ) {
1249                         prv->w[1] = w;
1250                         prv->h[1] = h;
1251                         prv->rect[1] = rect;
1252                 }
1253         }
1254 }
1255
1256 static void write_images(WriteData *wd, ListBase *idbase)
1257 {
1258         Image *ima;
1259         PackedFile * pf;
1260
1261
1262         ima= idbase->first;
1263         while(ima) {
1264                 if(ima->id.us>0 || wd->current) {
1265                         /* write LibData */
1266                         writestruct(wd, ID_IM, "Image", 1, ima);
1267                         if (ima->id.properties) IDP_WriteProperty(ima->id.properties, wd);
1268
1269                         if (ima->packedfile) {
1270                                 pf = ima->packedfile;
1271                                 writestruct(wd, DATA, "PackedFile", 1, pf);
1272                                 writedata(wd, DATA, pf->size, pf->data);
1273                         }
1274
1275                         write_previews(wd, ima->preview);
1276
1277                         }
1278                 ima= ima->id.next;
1279         }
1280         /* flush helps the compression for undo-save */
1281         mywrite(wd, MYWRITE_FLUSH, 0);
1282 }
1283
1284 static void write_textures(WriteData *wd, ListBase *idbase)
1285 {
1286         Tex *tex;
1287
1288         tex= idbase->first;
1289         while(tex) {
1290                 if(tex->id.us>0 || wd->current) {
1291                         /* write LibData */
1292                         writestruct(wd, ID_TE, "Tex", 1, tex);
1293                         if (tex->id.properties) IDP_WriteProperty(tex->id.properties, wd);
1294
1295                         /* direct data */
1296                         if(tex->plugin) writestruct(wd, DATA, "PluginTex", 1, tex->plugin);
1297                         if(tex->coba) writestruct(wd, DATA, "ColorBand", 1, tex->coba);
1298                         if(tex->env) writestruct(wd, DATA, "EnvMap", 1, tex->env);
1299                         
1300                         write_previews(wd, tex->preview);
1301                 }
1302                 tex= tex->id.next;
1303         }
1304
1305         /* flush helps the compression for undo-save */
1306         mywrite(wd, MYWRITE_FLUSH, 0);
1307 }
1308
1309 static void write_materials(WriteData *wd, ListBase *idbase)
1310 {
1311         Material *ma;
1312         int a;
1313
1314         ma= idbase->first;
1315         while(ma) {
1316                 if(ma->id.us>0 || wd->current) {
1317                         /* write LibData */
1318                         writestruct(wd, ID_MA, "Material", 1, ma);
1319                         
1320                         /*Write ID Properties -- and copy this comment EXACTLY for easy finding
1321                           of library blocks that implement this.*/
1322                         /*manually set head group property to IDP_GROUP, just in case it hadn't been
1323                           set yet :) */
1324                         if (ma->id.properties) IDP_WriteProperty(ma->id.properties, wd);
1325
1326                         for(a=0; a<MAX_MTEX; a++) {
1327                                 if(ma->mtex[a]) writestruct(wd, DATA, "MTex", 1, ma->mtex[a]);
1328                         }
1329                         
1330                         if(ma->ramp_col) writestruct(wd, DATA, "ColorBand", 1, ma->ramp_col);
1331                         if(ma->ramp_spec) writestruct(wd, DATA, "ColorBand", 1, ma->ramp_spec);
1332                         
1333                         write_scriptlink(wd, &ma->scriptlink);
1334                         
1335                         /* nodetree is integral part of material, no libdata */
1336                         if(ma->nodetree) {
1337                                 writestruct(wd, DATA, "bNodeTree", 1, ma->nodetree);
1338                                 write_nodetree(wd, ma->nodetree);
1339                         }
1340
1341                         write_previews(wd, ma->preview);                        
1342                 }
1343                 ma= ma->id.next;
1344         }
1345 }
1346
1347 static void write_worlds(WriteData *wd, ListBase *idbase)
1348 {
1349         World *wrld;
1350         int a;
1351
1352         wrld= idbase->first;
1353         while(wrld) {
1354                 if(wrld->id.us>0 || wd->current) {
1355                         /* write LibData */
1356                         writestruct(wd, ID_WO, "World", 1, wrld);
1357                         if (wrld->id.properties) IDP_WriteProperty(wrld->id.properties, wd);
1358
1359                         for(a=0; a<MAX_MTEX; a++) {
1360                                 if(wrld->mtex[a]) writestruct(wd, DATA, "MTex", 1, wrld->mtex[a]);
1361                         }
1362
1363                         write_scriptlink(wd, &wrld->scriptlink);
1364
1365                         write_previews(wd, wrld->preview);
1366
1367                 }
1368                 wrld= wrld->id.next;
1369         }
1370 }
1371
1372 static void write_lamps(WriteData *wd, ListBase *idbase)
1373 {
1374         Lamp *la;
1375         int a;
1376
1377         la= idbase->first;
1378         while(la) {
1379                 if(la->id.us>0 || wd->current) {
1380                         /* write LibData */
1381                         writestruct(wd, ID_LA, "Lamp", 1, la);
1382                         if (la->id.properties) IDP_WriteProperty(la->id.properties, wd);
1383
1384                         /* direct data */
1385                         for(a=0; a<MAX_MTEX; a++) {
1386                                 if(la->mtex[a]) writestruct(wd, DATA, "MTex", 1, la->mtex[a]);
1387                         }
1388
1389                         if(la->curfalloff)
1390                                 write_curvemapping(wd, la->curfalloff); 
1391                         
1392                         write_scriptlink(wd, &la->scriptlink);
1393
1394                         write_previews(wd, la->preview);
1395
1396                 }
1397                 la= la->id.next;
1398         }
1399 }
1400
1401
1402 static void write_scenes(WriteData *wd, ListBase *scebase)
1403 {
1404         Scene *sce;
1405         Base *base;
1406         Editing *ed;
1407         Sequence *seq;
1408         MetaStack *ms;
1409         Strip *strip;
1410         TimeMarker *marker;
1411         SceneRenderLayer *srl;
1412         int a;
1413         
1414         sce= scebase->first;
1415         while(sce) {
1416                 /* write LibData */
1417                 writestruct(wd, ID_SCE, "Scene", 1, sce);
1418                 if (sce->id.properties) IDP_WriteProperty(sce->id.properties, wd);
1419
1420                 /* direct data */
1421                 base= sce->base.first;
1422                 while(base) {
1423                         writestruct(wd, DATA, "Base", 1, base);
1424                         base= base->next;
1425                 }
1426
1427                 writestruct(wd, DATA, "Radio", 1, sce->radio);
1428                 writestruct(wd, DATA, "ToolSettings", 1, sce->toolsettings);
1429
1430                 for(a=0; a<MAX_MTEX; ++a)
1431                         writestruct(wd, DATA, "MTex", 1, sce->sculptdata.mtex[a]);
1432                 if(sce->sculptdata.cumap)
1433                         write_curvemapping(wd, sce->sculptdata.cumap);
1434
1435                 ed= sce->ed;
1436                 if(ed) {
1437                         writestruct(wd, DATA, "Editing", 1, ed);
1438
1439                         /* reset write flags too */
1440                         WHILE_SEQ(&ed->seqbase) {
1441                                 if(seq->strip) seq->strip->done= 0;
1442                                 writestruct(wd, DATA, "Sequence", 1, seq);
1443                         }
1444                         END_SEQ
1445
1446                         WHILE_SEQ(&ed->seqbase) {
1447                                 if(seq->strip && seq->strip->done==0) {
1448                                         /* write strip with 'done' at 0 because readfile */
1449
1450                                         if(seq->plugin) writestruct(wd, DATA, "PluginSeq", 1, seq->plugin);
1451                                         if(seq->effectdata) {
1452                                                 switch(seq->type){
1453                                                 case SEQ_COLOR:
1454                                                         writestruct(wd, DATA, "SolidColorVars", 1, seq->effectdata);
1455                                                         break;
1456                                                 case SEQ_SPEED:
1457                                                         writestruct(wd, DATA, "SpeedControlVars", 1, seq->effectdata);
1458                                                         break;
1459                                                 case SEQ_WIPE:
1460                                                         writestruct(wd, DATA, "WipeVars", 1, seq->effectdata);
1461                                                         break;
1462                                                 case SEQ_GLOW:
1463                                                         writestruct(wd, DATA, "GlowVars", 1, seq->effectdata);
1464                                                         break;
1465                                                 case SEQ_TRANSFORM:
1466                                                         writestruct(wd, DATA, "TransformVars", 1, seq->effectdata);
1467                                                         break;
1468                                                 }
1469                                         }
1470
1471                                         strip= seq->strip;
1472                                         writestruct(wd, DATA, "Strip", 1, strip);
1473                                         if(seq->flag & SEQ_USE_CROP && strip->crop) {
1474                                                 writestruct(wd, DATA, "StripCrop", 1, strip->crop);
1475                                         }
1476                                         if(seq->flag & SEQ_USE_TRANSFORM && strip->transform) {
1477                                                 writestruct(wd, DATA, "StripTransform", 1, strip->transform);
1478                                         }
1479                                         if(seq->flag & SEQ_USE_PROXY && strip->proxy) {
1480                                                 writestruct(wd, DATA, "StripProxy", 1, strip->proxy);
1481                                         }
1482                                         if(seq->type==SEQ_IMAGE)
1483                                                 writestruct(wd, DATA, "StripElem", strip->len, strip->stripdata);
1484                                         else if(seq->type==SEQ_MOVIE || seq->type==SEQ_RAM_SOUND || seq->type == SEQ_HD_SOUND)
1485                                                 writestruct(wd, DATA, "StripElem", 1, strip->stripdata);
1486
1487                                         strip->done= 1;
1488                                 }
1489                         }
1490                         END_SEQ
1491                                 
1492                         /* new; meta stack too, even when its nasty restore code */
1493                         for(ms= ed->metastack.first; ms; ms= ms->next) {
1494                                 writestruct(wd, DATA, "MetaStack", 1, ms);
1495                         }
1496                 }
1497
1498                 write_scriptlink(wd, &sce->scriptlink);
1499
1500                 if (sce->r.avicodecdata) {
1501                         writestruct(wd, DATA, "AviCodecData", 1, sce->r.avicodecdata);
1502                         if (sce->r.avicodecdata->lpFormat) writedata(wd, DATA, sce->r.avicodecdata->cbFormat, sce->r.avicodecdata->lpFormat);
1503                         if (sce->r.avicodecdata->lpParms) writedata(wd, DATA, sce->r.avicodecdata->cbParms, sce->r.avicodecdata->lpParms);
1504                 }
1505
1506                 if (sce->r.qtcodecdata) {
1507                         writestruct(wd, DATA, "QuicktimeCodecData", 1, sce->r.qtcodecdata);
1508                         if (sce->r.qtcodecdata->cdParms) writedata(wd, DATA, sce->r.qtcodecdata->cdSize, sce->r.qtcodecdata->cdParms);
1509                 }
1510
1511                 /* writing dynamic list of TimeMarkers to the blend file */
1512                 for(marker= sce->markers.first; marker; marker= marker->next)
1513                         writestruct(wd, DATA, "TimeMarker", 1, marker);
1514                 
1515                 for(srl= sce->r.layers.first; srl; srl= srl->next)
1516                         writestruct(wd, DATA, "SceneRenderLayer", 1, srl);
1517                 
1518                 if(sce->nodetree) {
1519                         writestruct(wd, DATA, "bNodeTree", 1, sce->nodetree);
1520                         write_nodetree(wd, sce->nodetree);
1521                 }
1522                 
1523                 sce= sce->id.next;
1524         }
1525         /* flush helps the compression for undo-save */
1526         mywrite(wd, MYWRITE_FLUSH, 0);
1527 }
1528
1529 static void write_screens(WriteData *wd, ListBase *scrbase)
1530 {
1531         bScreen *sc;
1532         ScrArea *sa;
1533         ScrVert *sv;
1534         ScrEdge *se;
1535
1536         sc= scrbase->first;
1537         while(sc) {
1538                 /* write LibData */
1539                 writestruct(wd, ID_SCR, "Screen", 1, sc);
1540                 if (sc->id.properties) IDP_WriteProperty(sc->id.properties, wd);
1541
1542                 /* direct data */
1543                 sv= sc->vertbase.first;
1544                 while(sv) {
1545                         writestruct(wd, DATA, "ScrVert", 1, sv);
1546                         sv= sv->next;
1547                 }
1548
1549                 se= sc->edgebase.first;
1550                 while(se) {
1551                         writestruct(wd, DATA, "ScrEdge", 1, se);
1552                         se= se->next;
1553                 }
1554
1555                 sa= sc->areabase.first;
1556                 while(sa) {
1557                         SpaceLink *sl;
1558                         Panel *pa;
1559
1560                         writestruct(wd, DATA, "ScrArea", 1, sa);
1561
1562                         pa= sa->panels.first;
1563                         while(pa) {
1564                                 writestruct(wd, DATA, "Panel", 1, pa);
1565                                 pa= pa->next;
1566                         }
1567
1568                         /* space handler scriptlinks */
1569                         write_scriptlink(wd, &sa->scriptlink);
1570
1571                         sl= sa->spacedata.first;
1572                         while(sl) {
1573                                 if(sl->spacetype==SPACE_VIEW3D) {
1574                                         View3D *v3d= (View3D*) sl;
1575                                         writestruct(wd, DATA, "View3D", 1, v3d);
1576                                         if(v3d->bgpic) writestruct(wd, DATA, "BGpic", 1, v3d->bgpic);
1577                                         if(v3d->localvd) writestruct(wd, DATA, "View3D", 1, v3d->localvd);
1578                                         if(v3d->clipbb) writestruct(wd, DATA, "BoundBox", 1, v3d->clipbb);
1579                                 }
1580                                 else if(sl->spacetype==SPACE_IPO) {
1581                                         writestruct(wd, DATA, "SpaceIpo", 1, sl);
1582                                 }
1583                                 else if(sl->spacetype==SPACE_BUTS) {
1584                                         writestruct(wd, DATA, "SpaceButs", 1, sl);
1585                                 }
1586                                 else if(sl->spacetype==SPACE_FILE) {
1587                                         writestruct(wd, DATA, "SpaceFile", 1, sl);
1588                                 }
1589                                 else if(sl->spacetype==SPACE_SEQ) {
1590                                         writestruct(wd, DATA, "SpaceSeq", 1, sl);
1591                                 }
1592                                 else if(sl->spacetype==SPACE_OOPS) {
1593                                         SpaceOops *so= (SpaceOops *)sl;
1594                                         Oops *oops;
1595
1596                                         /* cleanup */
1597                                         oops= so->oops.first;
1598                                         while(oops) {
1599                                                 Oops *oopsn= oops->next;
1600                                                 if(oops->id==0) {
1601                                                         BLI_remlink(&so->oops, oops);
1602                                                         free_oops(oops);
1603                                                 }
1604                                                 oops= oopsn;
1605                                         }
1606
1607                                         /* ater cleanup, because of listbase! */
1608                                         writestruct(wd, DATA, "SpaceOops", 1, so);
1609
1610                                         oops= so->oops.first;
1611                                         while(oops) {
1612                                                 writestruct(wd, DATA, "Oops", 1, oops);
1613                                                 oops= oops->next;
1614                                         }
1615                                         /* outliner */
1616                                         if(so->treestore) {
1617                                                 writestruct(wd, DATA, "TreeStore", 1, so->treestore);
1618                                                 if(so->treestore->data)
1619                                                         writestruct(wd, DATA, "TreeStoreElem", so->treestore->usedelem, so->treestore->data);
1620                                         }
1621                                 }
1622                                 else if(sl->spacetype==SPACE_IMAGE) {
1623                                         SpaceImage *sima= (SpaceImage *)sl;
1624                                         
1625                                         writestruct(wd, DATA, "SpaceImage", 1, sl);
1626                                         if(sima->cumap)
1627                                                 write_curvemapping(wd, sima->cumap);                                    
1628                                 }
1629                                 else if(sl->spacetype==SPACE_IMASEL) {
1630                                         writestruct(wd, DATA, "SpaceImaSel", 1, sl);
1631                                 }
1632                                 else if(sl->spacetype==SPACE_TEXT) {
1633                                         writestruct(wd, DATA, "SpaceText", 1, sl);
1634                                 }
1635                                 else if(sl->spacetype==SPACE_SCRIPT) {
1636                                         SpaceScript *sc = (SpaceScript*)sl;
1637                                         sc->but_refs = NULL;
1638                                         writestruct(wd, DATA, "SpaceScript", 1, sl);
1639                                 }
1640                                 else if(sl->spacetype==SPACE_ACTION) {
1641                                         writestruct(wd, DATA, "SpaceAction", 1, sl);
1642                                 }
1643                                 else if(sl->spacetype==SPACE_SOUND) {
1644                                         writestruct(wd, DATA, "SpaceSound", 1, sl);
1645                                 }
1646                                 else if(sl->spacetype==SPACE_NLA){
1647                                         writestruct(wd, DATA, "SpaceNla", 1, sl);
1648                                 }
1649                                 else if(sl->spacetype==SPACE_TIME){
1650                                         writestruct(wd, DATA, "SpaceTime", 1, sl);
1651                                 }
1652                                 else if(sl->spacetype==SPACE_NODE){
1653                                         writestruct(wd, DATA, "SpaceNode", 1, sl);
1654                                 }
1655                                 sl= sl->next;
1656                         }
1657
1658                         sa= sa->next;
1659                 }
1660
1661                 sc= sc->id.next;
1662         }
1663 }
1664
1665 static void write_libraries(WriteData *wd, Main *main)
1666 {
1667         ListBase *lbarray[30];
1668         ID *id;
1669         int a, tot, foundone;
1670
1671         for(; main; main= main->next) {
1672
1673                 a=tot= set_listbasepointers(main, lbarray);
1674
1675                 /* test: is lib being used */
1676                 foundone= 0;
1677                 while(tot--) {
1678                         for(id= lbarray[tot]->first; id; id= id->next) {
1679                                 if(id->us>0 && (id->flag & LIB_EXTERN)) {
1680                                         foundone= 1;
1681                                         break;
1682                                 }
1683                         }
1684                         if(foundone) break;
1685                 }
1686
1687                 if(foundone) {
1688                         writestruct(wd, ID_LI, "Library", 1, main->curlib);
1689
1690                         while(a--) {
1691                                 for(id= lbarray[a]->first; id; id= id->next) {
1692                                         if(id->us>0 && (id->flag & LIB_EXTERN)) {
1693                                                 writestruct(wd, ID_ID, "ID", 1, id);
1694                                         }
1695                                 }
1696                         }
1697                 }
1698         }
1699 }
1700
1701 static void write_bone(WriteData *wd, Bone* bone)
1702 {
1703         Bone*   cbone;
1704
1705         // PATCH for upward compatibility after 2.37+ armature recode
1706         bone->size[0]= bone->size[1]= bone->size[2]= 1.0f;
1707                 
1708         // Write this bone
1709         writestruct(wd, DATA, "Bone", 1, bone);
1710         
1711         // Write Children
1712         cbone= bone->childbase.first;
1713         while(cbone) {
1714                 write_bone(wd, cbone);
1715                 cbone= cbone->next;
1716         }
1717 }
1718
1719 static void write_armatures(WriteData *wd, ListBase *idbase)
1720 {
1721         bArmature       *arm;
1722         Bone            *bone;
1723
1724         arm=idbase->first;
1725         while (arm) {
1726                 if (arm->id.us>0 || wd->current) {
1727                         writestruct(wd, ID_AR, "bArmature", 1, arm);
1728                         if (arm->id.properties) IDP_WriteProperty(arm->id.properties, wd);
1729
1730                         /* Direct data */
1731                         bone= arm->bonebase.first;
1732                         while(bone) {
1733                                 write_bone(wd, bone);
1734                                 bone=bone->next;
1735                         }
1736                 }
1737                 arm=arm->id.next;
1738         }
1739
1740         /* flush helps the compression for undo-save */
1741         mywrite(wd, MYWRITE_FLUSH, 0);
1742 }
1743
1744 static void write_actions(WriteData *wd, ListBase *idbase)
1745 {
1746         bAction                 *act;
1747         bActionChannel  *chan;
1748         TimeMarker *marker;
1749         
1750         for(act=idbase->first; act; act= act->id.next) {
1751                 if (act->id.us>0 || wd->current) {
1752                         writestruct(wd, ID_AC, "bAction", 1, act);
1753                         if (act->id.properties) IDP_WriteProperty(act->id.properties, wd);
1754                         
1755                         for (chan=act->chanbase.first; chan; chan=chan->next) {
1756                                 writestruct(wd, DATA, "bActionChannel", 1, chan);
1757                                 write_constraint_channels(wd, &chan->constraintChannels);
1758                         }
1759                         
1760                         for (marker=act->markers.first; marker; marker=marker->next) {
1761                                 writestruct(wd, DATA, "TimeMarker", 1, marker);
1762                         }
1763                 }
1764         }
1765 }
1766
1767 static void write_texts(WriteData *wd, ListBase *idbase)
1768 {
1769         Text *text;
1770         TextLine *tmp;
1771
1772         text= idbase->first;
1773         while(text) {
1774                 if ( (text->flags & TXT_ISMEM) && (text->flags & TXT_ISEXT)) text->flags &= ~TXT_ISEXT;
1775
1776                 /* write LibData */
1777                 writestruct(wd, ID_TXT, "Text", 1, text);
1778                 if(text->name) writedata(wd, DATA, strlen(text->name)+1, text->name);
1779                 if (text->id.properties) IDP_WriteProperty(text->id.properties, wd);
1780
1781                 if(!(text->flags & TXT_ISEXT)) {
1782                         /* now write the text data, in two steps for optimization in the readfunction */
1783                         tmp= text->lines.first;
1784                         while (tmp) {
1785                                 writestruct(wd, DATA, "TextLine", 1, tmp);
1786                                 tmp= tmp->next;
1787                         }
1788
1789                         tmp= text->lines.first;
1790                         while (tmp) {
1791                                 writedata(wd, DATA, tmp->len+1, tmp->line);
1792                                 tmp= tmp->next;
1793                         }
1794                 }
1795                 text= text->id.next;
1796         }
1797
1798         /* flush helps the compression for undo-save */
1799         mywrite(wd, MYWRITE_FLUSH, 0);
1800 }
1801
1802 static void write_sounds(WriteData *wd, ListBase *idbase)
1803 {
1804         bSound *sound;
1805         bSample *sample;
1806
1807         PackedFile * pf;
1808
1809         // set all samples to unsaved status
1810
1811         sample = samples->first; // samples is a global defined in sound.c
1812         while (sample) {
1813                 sample->flags |= SAMPLE_NEEDS_SAVE;
1814                 sample = sample->id.next;
1815         }
1816
1817         sound= idbase->first;
1818         while(sound) {
1819                 if(sound->id.us>0 || wd->current) {
1820                         // do we need to save the packedfile as well ?
1821                         sample = sound->sample;
1822                         if (sample) {
1823                                 if (sample->flags & SAMPLE_NEEDS_SAVE) {
1824                                         sound->newpackedfile = sample->packedfile;
1825                                         sample->flags &= ~SAMPLE_NEEDS_SAVE;
1826                                 } else {
1827                                         sound->newpackedfile = NULL;
1828                                 }
1829                         }
1830
1831                         /* write LibData */
1832                         writestruct(wd, ID_SO, "bSound", 1, sound);
1833                         if (sound->id.properties) IDP_WriteProperty(sound->id.properties, wd);
1834
1835                         if (sound->newpackedfile) {
1836                                 pf = sound->newpackedfile;
1837                                 writestruct(wd, DATA, "PackedFile", 1, pf);
1838                                 writedata(wd, DATA, pf->size, pf->data);
1839                         }
1840
1841                         if (sample) {
1842                                 sound->newpackedfile = sample->packedfile;
1843                         }
1844                 }
1845                 sound= sound->id.next;
1846         }
1847
1848         /* flush helps the compression for undo-save */
1849         mywrite(wd, MYWRITE_FLUSH, 0);
1850 }
1851
1852 static void write_groups(WriteData *wd, ListBase *idbase)
1853 {
1854         Group *group;
1855         GroupObject *go;
1856
1857         for(group= idbase->first; group; group= group->id.next) {
1858                 if(group->id.us>0 || wd->current) {
1859                         /* write LibData */
1860                         writestruct(wd, ID_GR, "Group", 1, group);
1861                         if (group->id.properties) IDP_WriteProperty(group->id.properties, wd);
1862
1863                         go= group->gobject.first;
1864                         while(go) {
1865                                 writestruct(wd, DATA, "GroupObject", 1, go);
1866                                 go= go->next;
1867                         }
1868                 }
1869         }
1870 }
1871
1872 static void write_nodetrees(WriteData *wd, ListBase *idbase)
1873 {
1874         bNodeTree *ntree;
1875         
1876         for(ntree=idbase->first; ntree; ntree= ntree->id.next) {
1877                 if (ntree->id.us>0 || wd->current) {
1878                         writestruct(wd, ID_NT, "bNodeTree", 1, ntree);
1879                         write_nodetree(wd, ntree);
1880                         if (ntree->id.properties) IDP_WriteProperty(ntree->id.properties, wd);
1881                 }
1882         }
1883 }
1884
1885 static void write_brushes(WriteData *wd, ListBase *idbase)
1886 {
1887         Brush *brush;
1888         int a;
1889         
1890         for(brush=idbase->first; brush; brush= brush->id.next) {
1891                 if(brush->id.us>0 || wd->current) {
1892                         writestruct(wd, ID_BR, "Brush", 1, brush);
1893                         if (brush->id.properties) IDP_WriteProperty(brush->id.properties, wd);
1894                         for(a=0; a<MAX_MTEX; a++)
1895                                 if(brush->mtex[a])
1896                                         writestruct(wd, DATA, "MTex", 1, brush->mtex[a]);
1897                 }
1898         }
1899 }
1900
1901 static void write_global(WriteData *wd)
1902 {
1903         FileGlobal fg;
1904         char subvstr[8];
1905         
1906         fg.curscreen= G.curscreen;
1907         fg.curscene= G.scene;
1908         fg.displaymode= G.displaymode;
1909         fg.winpos= G.winpos;
1910         fg.fileflags= (G.fileflags & ~G_FILE_NO_UI);    // prevent to save this, is not good convention, and feature with concerns...
1911         fg.globalf= G.f;
1912
1913         sprintf(subvstr, "%4d", BLENDER_SUBVERSION);
1914         memcpy(fg.subvstr, subvstr, 4);
1915         
1916         fg.subversion= BLENDER_SUBVERSION;
1917         fg.minversion= BLENDER_MINVERSION;
1918         fg.minsubversion= BLENDER_MINSUBVERSION;
1919         
1920         writestruct(wd, GLOB, "FileGlobal", 1, &fg);
1921 }
1922
1923 /* if MemFile * there's filesave to memory */
1924 static int write_file_handle(int handle, MemFile *compare, MemFile *current, int write_user_block, int write_flags)
1925 {
1926         BHead bhead;
1927         ListBase mainlist;
1928         char buf[16];
1929         WriteData *wd;
1930
1931         blo_split_main(&mainlist, G.main);
1932
1933         wd= bgnwrite(handle, compare, current, write_flags);
1934         
1935         sprintf(buf, "BLENDER%c%c%.3d", (sizeof(void*)==8)?'-':'_', (G.order==B_ENDIAN)?'V':'v', G.version);
1936         mywrite(wd, buf, 12);
1937
1938         write_renderinfo(wd);
1939         write_global(wd);
1940
1941         if(current==NULL)
1942                 write_screens  (wd, &G.main->screen);   /* no UI save in undo */
1943         write_scenes   (wd, &G.main->scene);
1944         write_curves   (wd, &G.main->curve);
1945         write_mballs   (wd, &G.main->mball);
1946         write_images   (wd, &G.main->image);
1947         write_cameras  (wd, &G.main->camera);
1948         write_lamps    (wd, &G.main->lamp);
1949         write_lattices (wd, &G.main->latt);
1950         write_vfonts   (wd, &G.main->vfont);
1951         write_ipos     (wd, &G.main->ipo);
1952         write_keys     (wd, &G.main->key);
1953         write_worlds   (wd, &G.main->world);
1954         write_texts    (wd, &G.main->text);
1955         write_sounds   (wd, &G.main->sound);
1956         write_groups   (wd, &G.main->group);
1957         write_armatures(wd, &G.main->armature);
1958         write_actions  (wd, &G.main->action);
1959         write_objects  (wd, &G.main->object);
1960         write_materials(wd, &G.main->mat);
1961         write_textures (wd, &G.main->tex);
1962         write_meshs    (wd, &G.main->mesh);
1963         write_particlesettings(wd, &G.main->particle);
1964         write_nodetrees(wd, &G.main->nodetree);
1965         write_brushes  (wd, &G.main->brush);
1966         if(current==NULL)       
1967                 write_libraries(wd,  G.main->next); /* no library save in undo */
1968
1969         if (write_user_block) {
1970                 write_userdef(wd);
1971         }
1972
1973         /* dna as last, because (to be implemented) test for which structs are written */
1974         writedata(wd, DNA1, wd->sdna->datalen, wd->sdna->data);
1975
1976         /* end of file */
1977         memset(&bhead, 0, sizeof(BHead));
1978         bhead.code= ENDB;
1979         mywrite(wd, &bhead, sizeof(BHead));
1980
1981         blo_join_main(&mainlist);
1982         G.main= mainlist.first;
1983
1984         return endwrite(wd);
1985 }
1986
1987 /* return: success (1) */
1988 int BLO_write_file(char *dir, int write_flags, char **error_r)
1989 {
1990         char userfilename[FILE_MAXDIR+FILE_MAXFILE];
1991         char tempname[FILE_MAXDIR+FILE_MAXFILE];
1992         int file, err, write_user_block;
1993
1994         sprintf(tempname, "%s@", dir);
1995
1996         file = open(tempname,O_BINARY+O_WRONLY+O_CREAT+O_TRUNC, 0666);
1997         if(file == -1) {
1998                 *error_r= "Unable to open";
1999                 return 0;
2000         }
2001
2002         BLI_make_file_string(G.sce, userfilename, BLI_gethome(), ".B.blend");
2003
2004         write_user_block= BLI_streq(dir, userfilename);
2005
2006         err= write_file_handle(file, NULL,NULL, write_user_block, write_flags);
2007         close(file);
2008
2009         if(!err) {
2010                 if(write_flags & G_FILE_COMPRESS)
2011                 {       
2012                         // compressed files have the same ending as regular files... only from 2.4!!!
2013                         
2014                         int ret = BLI_gzip(tempname, dir);
2015                         
2016                         if(-1==ret) {
2017                                 *error_r= "Failed opening .gz file";
2018                                 return 0;
2019                         }
2020                         if(-2==ret) {
2021                                 *error_r= "Failed opening .blend file for compression";
2022                                 return 0;
2023                         }
2024                 }
2025                 else
2026                 if(BLI_rename(tempname, dir) < 0) {
2027                         *error_r= "Can't change old file. File saved with @";
2028                         return 0;
2029                 }
2030
2031                 
2032         } else {
2033                 *error_r= strerror(errno);
2034                 remove(tempname);
2035
2036                 return 0;
2037         }
2038
2039         return 1;
2040 }
2041
2042 /* return: success (1) */
2043 int BLO_write_file_mem(MemFile *compare, MemFile *current, int write_flags, char **error_r)
2044 {
2045         int err;
2046
2047         err= write_file_handle(0, compare, current, 0, write_flags);
2048         
2049         if(err==0) return 1;
2050         return 0;
2051 }
2052
2053
2054         /* Runtime writing */
2055
2056 #ifdef WIN32
2057 #define PATHSEPERATOR           "\\"
2058 #else
2059 #define PATHSEPERATOR           "/"
2060 #endif
2061
2062 static char *get_install_dir(void) {
2063         extern char bprogname[];
2064         char *tmpname = BLI_strdup(bprogname);
2065         char *cut;
2066
2067 #ifdef __APPLE__
2068         cut = strstr(tmpname, ".app");
2069         if (cut) cut[0] = 0;
2070 #endif
2071
2072         cut = BLI_last_slash(tmpname);
2073
2074         if (cut) {
2075                 cut[0] = 0;
2076                 return tmpname;
2077         } else {
2078                 MEM_freeN(tmpname);
2079                 return NULL;
2080         }
2081 }
2082
2083 static char *get_runtime_path(char *exename) {
2084         char *installpath= get_install_dir();
2085
2086         if (!installpath) {
2087                 return NULL;
2088         } else {
2089                 char *path= MEM_mallocN(strlen(installpath)+strlen(PATHSEPERATOR)+strlen(exename)+1, "runtimepath");
2090
2091                 if (path == NULL) {
2092                         MEM_freeN(installpath);
2093                         return NULL;
2094                 }
2095
2096                 strcpy(path, installpath);
2097                 strcat(path, PATHSEPERATOR);
2098                 strcat(path, exename);
2099
2100                 MEM_freeN(installpath);
2101
2102                 return path;
2103         }
2104 }
2105
2106 #ifdef __APPLE__
2107
2108 static int recursive_copy_runtime(char *outname, char *exename, char **cause_r) 
2109 {
2110         char *cause = NULL, *runtime = get_runtime_path(exename);
2111         char command[2 * (FILE_MAXDIR+FILE_MAXFILE) + 32];
2112         int progfd = -1;
2113
2114         if (!runtime) {
2115                 cause= "Unable to find runtime";
2116                 goto cleanup;
2117         }
2118         //printf("runtimepath %s\n", runtime);
2119                 
2120         progfd= open(runtime, O_BINARY|O_RDONLY, 0);
2121         if (progfd==-1) {
2122                 cause= "Unable to find runtime";
2123                 goto cleanup;
2124         }
2125
2126         sprintf(command, "/bin/cp -R \"%s\" \"%s\"", runtime, outname);
2127         //printf("command %s\n", command);
2128         if (system(command) == -1) {
2129                 cause = "Couldn't copy runtime";
2130         }
2131
2132 cleanup:
2133         if (progfd!=-1)
2134                 close(progfd);
2135         if (runtime)
2136                 MEM_freeN(runtime);
2137
2138         if (cause) {
2139                 *cause_r= cause;
2140                 return 0;
2141         } else
2142                 return 1;
2143 }
2144
2145 void BLO_write_runtime(char *file, char *exename) {
2146         char gamename[FILE_MAXDIR+FILE_MAXFILE];
2147         int outfd = -1;
2148         char *cause= NULL;
2149
2150         // remove existing file / bundle
2151         //printf("Delete file %s\n", file);
2152         BLI_delete(file, 0, TRUE);
2153
2154         if (!recursive_copy_runtime(file, exename, &cause))
2155                 goto cleanup;
2156
2157         strcpy(gamename, file);
2158         strcat(gamename, "/Contents/Resources/game.blend");
2159         //printf("gamename %s\n", gamename);
2160         outfd= open(gamename, O_BINARY|O_WRONLY|O_CREAT|O_TRUNC, 0777);
2161         if (outfd != -1) {
2162
2163                 write_file_handle(outfd, NULL,NULL, 0, G.fileflags);
2164
2165                 if (write(outfd, " ", 1) != 1) {
2166                         cause= "Unable to write to output file";
2167                         goto cleanup;
2168                 }
2169         } else {
2170                 cause = "Unable to open blenderfile";
2171         }
2172
2173 cleanup:
2174         if (outfd!=-1)
2175                 close(outfd);
2176
2177         if (cause)
2178                 error("Unable to make runtime: %s", cause);
2179 }
2180
2181 #else /* !__APPLE__ */
2182
2183 static int handle_append_runtime(int handle, char *exename, char **cause_r) {
2184         char *cause= NULL, *runtime= get_runtime_path(exename);
2185         unsigned char buf[1024];
2186         int count, progfd= -1;
2187
2188         if (!runtime) {
2189                 cause= "Unable to find runtime";
2190                 goto cleanup;
2191         }
2192
2193         progfd= open(runtime, O_BINARY|O_RDONLY, 0);
2194         if (progfd==-1) {
2195                 cause= "Unable to find runtime";
2196                 goto cleanup;
2197         }
2198
2199         while ((count= read(progfd, buf, sizeof(buf)))>0) {
2200                 if (write(handle, buf, count)!=count) {
2201                         cause= "Unable to write to output file";
2202                         goto cleanup;
2203                 }
2204         }
2205
2206 cleanup:
2207         if (progfd!=-1)
2208                 close(progfd);
2209         if (runtime)
2210                 MEM_freeN(runtime);
2211
2212         if (cause) {
2213                 *cause_r= cause;
2214                 return 0;
2215         } else
2216                 return 1;
2217 }
2218
2219 static int handle_write_msb_int(int handle, int i) {
2220         unsigned char buf[4];
2221         buf[0]= (i>>24)&0xFF;
2222         buf[1]= (i>>16)&0xFF;
2223         buf[2]= (i>>8)&0xFF;
2224         buf[3]= (i>>0)&0xFF;
2225
2226         return (write(handle, buf, 4)==4);
2227 }
2228
2229 void BLO_write_runtime(char *file, char *exename) {
2230         int outfd= open(file, O_BINARY|O_WRONLY|O_CREAT|O_TRUNC, 0777);
2231         char *cause= NULL;
2232         int datastart;
2233
2234         if (!outfd) {
2235                 cause= "Unable to open output file";
2236                 goto cleanup;
2237         }
2238         if (!handle_append_runtime(outfd, exename, &cause))
2239                 goto cleanup;
2240
2241         datastart= lseek(outfd, 0, SEEK_CUR);
2242
2243         write_file_handle(outfd, NULL,NULL, 0, G.fileflags);
2244
2245         if (!handle_write_msb_int(outfd, datastart) || (write(outfd, "BRUNTIME", 8)!=8)) {
2246                 cause= "Unable to write to output file";
2247                 goto cleanup;
2248         }
2249
2250 cleanup:
2251         if (outfd!=-1)
2252                 close(outfd);
2253
2254         if (cause)
2255                 error("Unable to make runtime: %s", cause);
2256 }
2257
2258 #endif /* !__APPLE__ */