Initial commit of cloth modifier from branch rev 13453
[blender.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->particles->keys) {
565                                 ParticleData *pa = psys->particles;
566
567                                 for(a=0; a<psys->totpart; a++, pa++)
568                                         writestruct(wd, DATA, "ParticleKey", pa->totkey, pa->keys);
569                         }
570                 }
571                 if(psys->child) writestruct(wd, DATA, "ChildParticle", psys->totchild ,psys->child);
572                 writestruct(wd, DATA, "SoftBody", 1, psys->soft);
573         }
574 }
575
576 static void write_properties(WriteData *wd, ListBase *lb)
577 {
578         bProperty *prop;
579
580         prop= lb->first;
581         while(prop) {
582                 writestruct(wd, DATA, "bProperty", 1, prop);
583
584                 if(prop->poin && prop->poin != &prop->data)
585                         writedata(wd, DATA, MEM_allocN_len(prop->poin), prop->poin);
586
587                 prop= prop->next;
588         }
589 }
590
591 static void write_sensors(WriteData *wd, ListBase *lb)
592 {
593         bSensor *sens;
594
595         sens= lb->first;
596         while(sens) {
597                 writestruct(wd, DATA, "bSensor", 1, sens);
598
599                 writedata(wd, DATA, sizeof(void *)*sens->totlinks, sens->links);
600
601                 switch(sens->type) {
602                 case SENS_NEAR:
603                         writestruct(wd, DATA, "bNearSensor", 1, sens->data);
604                         break;
605                 case SENS_MOUSE:
606                         writestruct(wd, DATA, "bMouseSensor", 1, sens->data);
607                         break;
608                 case SENS_TOUCH:
609                         writestruct(wd, DATA, "bTouchSensor", 1, sens->data);
610                         break;
611                 case SENS_KEYBOARD:
612                         writestruct(wd, DATA, "bKeyboardSensor", 1, sens->data);
613                         break;
614                 case SENS_PROPERTY:
615                         writestruct(wd, DATA, "bPropertySensor", 1, sens->data);
616                         break;
617                 case SENS_COLLISION:
618                         writestruct(wd, DATA, "bCollisionSensor", 1, sens->data);
619                         break;
620                 case SENS_RADAR:
621                         writestruct(wd, DATA, "bRadarSensor", 1, sens->data);
622                         break;
623                 case SENS_RANDOM:
624                         writestruct(wd, DATA, "bRandomSensor", 1, sens->data);
625                         break;
626                 case SENS_RAY:
627                         writestruct(wd, DATA, "bRaySensor", 1, sens->data);
628                         break;
629                 case SENS_MESSAGE:
630                         writestruct(wd, DATA, "bMessageSensor", 1, sens->data);
631                         break;
632                 case SENS_JOYSTICK:
633                         writestruct(wd, DATA, "bJoystickSensor", 1, sens->data);
634                         break;
635                 default:
636                         ; /* error: don't know how to write this file */
637                 }
638
639                 sens= sens->next;
640         }
641 }
642
643 static void write_controllers(WriteData *wd, ListBase *lb)
644 {
645         bController *cont;
646
647         cont= lb->first;
648         while(cont) {
649                 writestruct(wd, DATA, "bController", 1, cont);
650
651                 writedata(wd, DATA, sizeof(void *)*cont->totlinks, cont->links);
652
653                 switch(cont->type) {
654                 case CONT_EXPRESSION:
655                         writestruct(wd, DATA, "bExpressionCont", 1, cont->data);
656                         break;
657                 case CONT_PYTHON:
658                         writestruct(wd, DATA, "bPythonCont", 1, cont->data);
659                         break;
660                 default:
661                         ; /* error: don't know how to write this file */
662                 }
663
664                 cont= cont->next;
665         }
666 }
667
668 static void write_actuators(WriteData *wd, ListBase *lb)
669 {
670         bActuator *act;
671
672         act= lb->first;
673         while(act) {
674                 writestruct(wd, DATA, "bActuator", 1, act);
675
676                 switch(act->type) {
677                 case ACT_ACTION:
678                         writestruct(wd, DATA, "bActionActuator", 1, act->data);
679                         break;
680                 case ACT_SOUND:
681                         writestruct(wd, DATA, "bSoundActuator", 1, act->data);
682                         break;
683                 case ACT_CD:
684                         writestruct(wd, DATA, "bCDActuator", 1, act->data);
685                         break;
686                 case ACT_OBJECT:
687                         writestruct(wd, DATA, "bObjectActuator", 1, act->data);
688                         break;
689                 case ACT_IPO:
690                         writestruct(wd, DATA, "bIpoActuator", 1, act->data);
691                         break;
692                 case ACT_PROPERTY:
693                         writestruct(wd, DATA, "bPropertyActuator", 1, act->data);
694                         break;
695                 case ACT_CAMERA:
696                         writestruct(wd, DATA, "bCameraActuator", 1, act->data);
697                         break;
698                 case ACT_CONSTRAINT:
699                         writestruct(wd, DATA, "bConstraintActuator", 1, act->data);
700                         break;
701                 case ACT_EDIT_OBJECT:
702                         writestruct(wd, DATA, "bEditObjectActuator", 1, act->data);
703                         break;
704                 case ACT_SCENE:
705                         writestruct(wd, DATA, "bSceneActuator", 1, act->data);
706                         break;
707                 case ACT_GROUP:
708                         writestruct(wd, DATA, "bGroupActuator", 1, act->data);
709                         break;
710                 case ACT_RANDOM:
711                         writestruct(wd, DATA, "bRandomActuator", 1, act->data);
712                         break;
713                 case ACT_MESSAGE:
714                         writestruct(wd, DATA, "bMessageActuator", 1, act->data);
715                         break;
716                 case ACT_GAME:
717                         writestruct(wd, DATA, "bGameActuator", 1, act->data);
718                         break;
719                 case ACT_VISIBILITY:
720                         writestruct(wd, DATA, "bVisibilityActuator", 1, act->data);
721                         break;
722                 default:
723                         ; /* error: don't know how to write this file */
724                 }
725
726                 act= act->next;
727         }
728 }
729
730 static void write_nlastrips(WriteData *wd, ListBase *nlabase)
731 {
732         bActionStrip *strip;
733         bActionModifier *amod;
734         
735         for (strip=nlabase->first; strip; strip=strip->next)
736                 writestruct(wd, DATA, "bActionStrip", 1, strip);
737         for (strip=nlabase->first; strip; strip=strip->next) {
738                 for(amod= strip->modifiers.first; amod; amod= amod->next)
739                         writestruct(wd, DATA, "bActionModifier", 1, amod);
740         }
741 }
742
743 static void write_constraints(WriteData *wd, ListBase *conlist)
744 {
745         bConstraint *con;
746
747         for (con=conlist->first; con; con=con->next) {
748                 bConstraintTypeInfo *cti= constraint_get_typeinfo(con);
749                 
750                 /* Write the specific data */
751                 if (cti && con->data) {
752                         /* firstly, just write the plain con->data struct */
753                         writestruct(wd, DATA, cti->structName, 1, con->data);
754                         
755                         /* do any constraint specific stuff */
756                         switch (con->type) {
757                                 case CONSTRAINT_TYPE_PYTHON:
758                                 {
759                                         bPythonConstraint *data = (bPythonConstraint *)con->data;
760                                         bConstraintTarget *ct;
761                                         
762                                         /* write targets */
763                                         for (ct= data->targets.first; ct; ct= ct->next)
764                                                 writestruct(wd, DATA, "bConstraintTarget", 1, ct);
765                                         
766                                         /* Write ID Properties -- and copy this comment EXACTLY for easy finding
767                                          of library blocks that implement this.*/
768                                         IDP_WriteProperty(data->prop, wd);
769                                 }
770                                 break;
771                         }
772                 }
773                 
774                 /* Write the constraint */
775                 writestruct(wd, DATA, "bConstraint", 1, con);
776         }
777 }
778
779 static void write_pose(WriteData *wd, bPose *pose)
780 {
781         bPoseChannel *chan;
782         bActionGroup *grp;
783
784         /* Write each channel */
785         if (!pose)
786                 return;
787
788         /* Write channels */
789         for (chan=pose->chanbase.first; chan; chan=chan->next) {
790                 write_constraints(wd, &chan->constraints);
791                 
792                 /* prevent crashes with autosave, when a bone duplicated in editmode has not yet been assigned to its posechannel */
793                 if (chan->bone) 
794                         chan->selectflag= chan->bone->flag & (BONE_SELECTED|BONE_ACTIVE); /* gets restored on read, for library armatures */
795                 
796                 writestruct(wd, DATA, "bPoseChannel", 1, chan);
797         }
798         
799         /* Write groups */
800         for (grp=pose->agroups.first; grp; grp=grp->next) 
801                 writestruct(wd, DATA, "bActionGroup", 1, grp);
802
803         /* Write this pose */
804         writestruct(wd, DATA, "bPose", 1, pose);
805 }
806
807 static void write_defgroups(WriteData *wd, ListBase *defbase)
808 {
809         bDeformGroup    *defgroup;
810
811         for (defgroup=defbase->first; defgroup; defgroup=defgroup->next)
812                 writestruct(wd, DATA, "bDeformGroup", 1, defgroup);
813 }
814
815 static void write_constraint_channels(WriteData *wd, ListBase *chanbase)
816 {
817         bConstraintChannel *chan;
818
819         for (chan = chanbase->first; chan; chan=chan->next)
820                 writestruct(wd, DATA, "bConstraintChannel", 1, chan);
821
822 }
823
824 static void write_modifiers(WriteData *wd, ListBase *modbase)
825 {
826         ModifierData *md;
827
828         if (modbase == NULL) return;
829         for (md=modbase->first; md; md= md->next) {
830                 ModifierTypeInfo *mti = modifierType_getInfo(md->type);
831                 if (mti == NULL) return;
832                 
833                 writestruct(wd, DATA, mti->structName, 1, md);
834                         
835                 if (md->type==eModifierType_Hook) {
836                         HookModifierData *hmd = (HookModifierData*) md;
837                         
838                         writedata(wd, DATA, sizeof(int)*hmd->totindex, hmd->indexar);
839                 }
840                 else if(md->type==eModifierType_Cloth) {
841                         ClothModifierData *clmd = (ClothModifierData*) md;
842                         
843                         writestruct(wd, DATA, "SimulationSettings", 1, clmd->sim_parms);
844                         writestruct(wd, DATA, "CollisionSettings", 1, clmd->coll_parms);
845                         
846                 } 
847                 else if (md->type==eModifierType_Collision) {
848                         
849                         CollisionModifierData *collmd = (CollisionModifierData*) md;
850                         /*
851                         // TODO: CollisionModifier should use pointcache 
852                         // + have proper reset events before enabling this
853                         writestruct(wd, DATA, "MVert", collmd->numverts, collmd->x);
854                         writestruct(wd, DATA, "MVert", collmd->numverts, collmd->xnew);
855                         writestruct(wd, DATA, "MFace", collmd->numfaces, collmd->mfaces);
856                         */
857                 }
858                 else if (md->type==eModifierType_MeshDeform) {
859                         MeshDeformModifierData *mmd = (MeshDeformModifierData*) md;
860                         int size = mmd->dyngridsize;
861
862                         writedata(wd, DATA, sizeof(float)*mmd->totvert*mmd->totcagevert,
863                                 mmd->bindweights);
864                         writedata(wd, DATA, sizeof(float)*3*mmd->totcagevert,
865                                 mmd->bindcos);
866                         writestruct(wd, DATA, "MDefCell", size*size*size, mmd->dyngrid);
867                         writestruct(wd, DATA, "MDefInfluence", mmd->totinfluence, mmd->dyninfluences);
868                         writedata(wd, DATA, sizeof(int)*mmd->totvert, mmd->dynverts);
869                 }
870         }
871 }
872
873 static void write_objects(WriteData *wd, ListBase *idbase)
874 {
875         Object *ob;
876         
877         ob= idbase->first;
878         while(ob) {
879                 if(ob->id.us>0 || wd->current) {
880                         /* write LibData */
881 #ifdef WITH_VERSE
882                         /* pointer at vnode stored in file have to be NULL */
883                         struct VNode *vnode = (VNode*)ob->vnode;
884                         if(vnode) ob->vnode = NULL;
885 #endif
886                         writestruct(wd, ID_OB, "Object", 1, ob);
887 #ifdef WITH_VERSE
888                         if(vnode) ob->vnode = (void*)vnode;
889 #endif
890
891                         /*Write ID Properties -- and copy this comment EXACTLY for easy finding
892                           of library blocks that implement this.*/
893                         if (ob->id.properties) IDP_WriteProperty(ob->id.properties, wd);
894
895                         /* direct data */
896                         writedata(wd, DATA, sizeof(void *)*ob->totcol, ob->mat);
897                         write_effects(wd, &ob->effect);
898                         write_properties(wd, &ob->prop);
899                         write_sensors(wd, &ob->sensors);
900                         write_controllers(wd, &ob->controllers);
901                         write_actuators(wd, &ob->actuators);
902                         write_scriptlink(wd, &ob->scriptlink);
903                         write_pose(wd, ob->pose);
904                         write_defgroups(wd, &ob->defbase);
905                         write_constraints(wd, &ob->constraints);
906                         write_constraint_channels(wd, &ob->constraintChannels);
907                         write_nlastrips(wd, &ob->nlastrips);
908                         
909                         writestruct(wd, DATA, "PartDeflect", 1, ob->pd);
910                         writestruct(wd, DATA, "SoftBody", 1, ob->soft);
911                         writestruct(wd, DATA, "FluidsimSettings", 1, ob->fluidsimSettings); // NT
912                         
913                         write_particlesystems(wd, &ob->particlesystem);
914                         write_modifiers(wd, &ob->modifiers);
915                 }
916                 ob= ob->id.next;
917         }
918
919         /* flush helps the compression for undo-save */
920         mywrite(wd, MYWRITE_FLUSH, 0);
921 }
922
923
924 static void write_vfonts(WriteData *wd, ListBase *idbase)
925 {
926         VFont *vf;
927         PackedFile * pf;
928
929         vf= idbase->first;
930         while(vf) {
931                 if(vf->id.us>0 || wd->current) {
932                         /* write LibData */
933                         writestruct(wd, ID_VF, "VFont", 1, vf);
934                         if (vf->id.properties) IDP_WriteProperty(vf->id.properties, wd);
935
936                         /* direct data */
937
938                         if (vf->packedfile) {
939                                 pf = vf->packedfile;
940                                 writestruct(wd, DATA, "PackedFile", 1, pf);
941                                 writedata(wd, DATA, pf->size, pf->data);
942                         }
943                 }
944
945                 vf= vf->id.next;
946         }
947 }
948
949 static void write_ipos(WriteData *wd, ListBase *idbase)
950 {
951         Ipo *ipo;
952         IpoCurve *icu;
953
954         ipo= idbase->first;
955         while(ipo) {
956                 if(ipo->id.us>0 || wd->current) {
957                         /* write LibData */
958                         writestruct(wd, ID_IP, "Ipo", 1, ipo);
959                         if (ipo->id.properties) IDP_WriteProperty(ipo->id.properties, wd);
960
961                         /* direct data */
962                         icu= ipo->curve.first;
963                         while(icu) {
964                                 writestruct(wd, DATA, "IpoCurve", 1, icu);
965                                 icu= icu->next;
966                         }
967
968                         icu= ipo->curve.first;
969                         while(icu) {
970                                 if(icu->bezt)  writestruct(wd, DATA, "BezTriple", icu->totvert, icu->bezt);
971                                 if(icu->bp)  writestruct(wd, DATA, "BPoint", icu->totvert, icu->bp);
972                                 if(icu->driver)  writestruct(wd, DATA, "IpoDriver", 1, icu->driver);
973                                 icu= icu->next;
974                         }
975                 }
976
977                 ipo= ipo->id.next;
978         }
979
980         /* flush helps the compression for undo-save */
981         mywrite(wd, MYWRITE_FLUSH, 0);
982 }
983
984 static void write_keys(WriteData *wd, ListBase *idbase)
985 {
986         Key *key;
987         KeyBlock *kb;
988
989         key= idbase->first;
990         while(key) {
991                 if(key->id.us>0 || wd->current) {
992                         /* write LibData */
993                         writestruct(wd, ID_KE, "Key", 1, key);
994                         if (key->id.properties) IDP_WriteProperty(key->id.properties, wd);
995
996                         /* direct data */
997                         kb= key->block.first;
998                         while(kb) {
999                                 writestruct(wd, DATA, "KeyBlock", 1, kb);
1000                                 if(kb->data) writedata(wd, DATA, kb->totelem*key->elemsize, kb->data);
1001                                 kb= kb->next;
1002                         }
1003                 }
1004
1005                 key= key->id.next;
1006         }
1007         /* flush helps the compression for undo-save */
1008         mywrite(wd, MYWRITE_FLUSH, 0);
1009 }
1010
1011 static void write_cameras(WriteData *wd, ListBase *idbase)
1012 {
1013         Camera *cam;
1014
1015         cam= idbase->first;
1016         while(cam) {
1017                 if(cam->id.us>0 || wd->current) {
1018                         /* write LibData */
1019                         writestruct(wd, ID_CA, "Camera", 1, cam);
1020                         if (cam->id.properties) IDP_WriteProperty(cam->id.properties, wd);
1021
1022                         /* direct data */
1023                         write_scriptlink(wd, &cam->scriptlink);
1024                 }
1025
1026                 cam= cam->id.next;
1027         }
1028 }
1029
1030 static void write_mballs(WriteData *wd, ListBase *idbase)
1031 {
1032         MetaBall *mb;
1033         MetaElem *ml;
1034
1035         mb= idbase->first;
1036         while(mb) {
1037                 if(mb->id.us>0 || wd->current) {
1038                         /* write LibData */
1039                         writestruct(wd, ID_MB, "MetaBall", 1, mb);
1040                         if (mb->id.properties) IDP_WriteProperty(mb->id.properties, wd);
1041
1042                         /* direct data */
1043                         writedata(wd, DATA, sizeof(void *)*mb->totcol, mb->mat);
1044
1045                         ml= mb->elems.first;
1046                         while(ml) {
1047                                 writestruct(wd, DATA, "MetaElem", 1, ml);
1048                                 ml= ml->next;
1049                         }
1050                 }
1051                 mb= mb->id.next;
1052         }
1053 }
1054
1055 int amount_of_chars(char *str)
1056 {
1057         // Since the data is saved as UTF-8 to the cu->str
1058         // The cu->len is not same as the strlen(cu->str)
1059         return strlen(str);
1060 }
1061
1062 static void write_curves(WriteData *wd, ListBase *idbase)
1063 {
1064         Curve *cu;
1065         Nurb *nu;
1066
1067         cu= idbase->first;
1068         while(cu) {
1069                 if(cu->id.us>0 || wd->current) {
1070                         /* write LibData */
1071                         writestruct(wd, ID_CU, "Curve", 1, cu);
1072
1073                         /* direct data */
1074                         writedata(wd, DATA, sizeof(void *)*cu->totcol, cu->mat);
1075                         if (cu->id.properties) IDP_WriteProperty(cu->id.properties, wd);
1076
1077                         if(cu->vfont) {
1078                                 writedata(wd, DATA, amount_of_chars(cu->str)+1, cu->str);
1079                                 writestruct(wd, DATA, "CharInfo", cu->len, cu->strinfo);
1080                                 writestruct(wd, DATA, "TextBox", cu->totbox, cu->tb);                           
1081                         }
1082                         else {
1083                                 /* is also the order of reading */
1084                                 nu= cu->nurb.first;
1085                                 while(nu) {
1086                                         writestruct(wd, DATA, "Nurb", 1, nu);
1087                                         nu= nu->next;
1088                                 }
1089                                 nu= cu->nurb.first;
1090                                 while(nu) {
1091                                         if( (nu->type & 7)==CU_BEZIER)
1092                                                 writestruct(wd, DATA, "BezTriple", nu->pntsu, nu->bezt);
1093                                         else {
1094                                                 writestruct(wd, DATA, "BPoint", nu->pntsu*nu->pntsv, nu->bp);
1095                                                 if(nu->knotsu) writedata(wd, DATA, KNOTSU(nu)*sizeof(float), nu->knotsu);
1096                                                 if(nu->knotsv) writedata(wd, DATA, KNOTSV(nu)*sizeof(float), nu->knotsv);
1097                                         }
1098                                         nu= nu->next;
1099                                 }
1100                         }
1101                 }
1102                 cu= cu->id.next;
1103         }
1104
1105         /* flush helps the compression for undo-save */
1106         mywrite(wd, MYWRITE_FLUSH, 0);
1107 }
1108
1109 static void write_dverts(WriteData *wd, int count, MDeformVert *dvlist)
1110 {
1111         if (dvlist) {
1112                 int     i;
1113                 
1114                 /* Write the dvert list */
1115                 writestruct(wd, DATA, "MDeformVert", count, dvlist);
1116                 
1117                 /* Write deformation data for each dvert */
1118                 for (i=0; i<count; i++) {
1119                         if (dvlist[i].dw)
1120                                 writestruct(wd, DATA, "MDeformWeight", dvlist[i].totweight, dvlist[i].dw);
1121                 }
1122         }
1123 }
1124
1125 static void write_customdata(WriteData *wd, int count, CustomData *data, int partial_type, int partial_count)
1126 {
1127         int i;
1128
1129         writestruct(wd, DATA, "CustomDataLayer", data->maxlayer, data->layers);
1130
1131         for (i=0; i<data->totlayer; i++) {
1132                 CustomDataLayer *layer= &data->layers[i];
1133                 char *structname;
1134                 int structnum, datasize;
1135
1136                 if (layer->type == CD_MDEFORMVERT) {
1137                         /* layer types that allocate own memory need special handling */
1138                         write_dverts(wd, count, layer->data);
1139                 }
1140                 else {
1141                         CustomData_file_write_info(layer->type, &structname, &structnum);
1142                         if (structnum) {
1143                                 /* when using partial visibility, the MEdge and MFace layers
1144                                    are smaller than the original, so their type and count is
1145                                    passed to make this work */
1146                                 if (layer->type != partial_type) datasize= structnum*count;
1147                                 else datasize= structnum*partial_count;
1148
1149                                 writestruct(wd, DATA, structname, datasize, layer->data);
1150                         }
1151                         else
1152                                 printf("error: this CustomDataLayer must not be written to file\n");
1153                 }
1154         }
1155 }
1156
1157 static void write_meshs(WriteData *wd, ListBase *idbase)
1158 {
1159         Mesh *mesh;
1160         MultiresLevel *lvl;
1161
1162         mesh= idbase->first;
1163         while(mesh) {
1164                 if(mesh->id.us>0 || wd->current) {
1165                         /* write LibData */
1166 #ifdef WITH_VERSE
1167                         struct VNode *vnode = (VNode*)mesh->vnode;
1168                         if(vnode) {
1169                                 /* mesh has to be created from verse geometry node*/
1170                                 create_meshdata_from_geom_node(mesh, vnode);
1171                                 /* pointer at verse node can't be stored in file */
1172                                 mesh->vnode = NULL;
1173                         }
1174 #endif
1175
1176                         writestruct(wd, ID_ME, "Mesh", 1, mesh);
1177 #ifdef WITH_VERSE
1178                         if(vnode) mesh->vnode = (void*)vnode;
1179 #endif
1180
1181                         /* direct data */
1182                         if (mesh->id.properties) IDP_WriteProperty(mesh->id.properties, wd);
1183
1184                         writedata(wd, DATA, sizeof(void *)*mesh->totcol, mesh->mat);
1185
1186                         if(mesh->pv) {
1187                                 write_customdata(wd, mesh->pv->totvert, &mesh->vdata, -1, 0);
1188                                 write_customdata(wd, mesh->pv->totedge, &mesh->edata,
1189                                         CD_MEDGE, mesh->totedge);
1190                                 write_customdata(wd, mesh->pv->totface, &mesh->fdata,
1191                                         CD_MFACE, mesh->totface);
1192                         }
1193                         else {
1194                                 write_customdata(wd, mesh->totvert, &mesh->vdata, -1, 0);
1195                                 write_customdata(wd, mesh->totedge, &mesh->edata, -1, 0);
1196                                 write_customdata(wd, mesh->totface, &mesh->fdata, -1, 0);
1197                         }
1198
1199                         /* Multires data */
1200                         writestruct(wd, DATA, "Multires", 1, mesh->mr);
1201                         if(mesh->mr) {
1202                                 lvl= mesh->mr->levels.first;
1203                                 if(lvl) {
1204                                         write_customdata(wd, lvl->totvert, &mesh->mr->vdata, -1, 0);
1205                                         write_customdata(wd, lvl->totface, &mesh->mr->fdata, -1, 0);
1206                                         writedata(wd, DATA, sizeof(short)*lvl->totedge, mesh->mr->edge_flags);
1207                                         writedata(wd, DATA, sizeof(char)*lvl->totedge, mesh->mr->edge_creases);
1208                                 }
1209
1210                                 for(; lvl; lvl= lvl->next) {
1211                                         writestruct(wd, DATA, "MultiresLevel", 1, lvl);
1212                                         writestruct(wd, DATA, "MultiresFace", lvl->totface, lvl->faces);
1213                                         writestruct(wd, DATA, "MultiresEdge", lvl->totedge, lvl->edges);
1214                                         writestruct(wd, DATA, "MultiresColFace", lvl->totface, lvl->colfaces);
1215                                 }
1216
1217                                 lvl= mesh->mr->levels.last;
1218                                 if(lvl)
1219                                         writestruct(wd, DATA, "MVert", lvl->totvert, mesh->mr->verts);
1220                         }
1221
1222                         /* PMV data */
1223                         if(mesh->pv) {
1224                                 writestruct(wd, DATA, "PartialVisibility", 1, mesh->pv);
1225                                 writedata(wd, DATA, sizeof(unsigned int)*mesh->pv->totvert, mesh->pv->vert_map);
1226                                 writedata(wd, DATA, sizeof(int)*mesh->pv->totedge, mesh->pv->edge_map);
1227                                 writestruct(wd, DATA, "MFace", mesh->pv->totface, mesh->pv->old_faces);
1228                                 writestruct(wd, DATA, "MEdge", mesh->pv->totedge, mesh->pv->old_edges);
1229                         }
1230                 }
1231                 mesh= mesh->id.next;
1232         }
1233 }
1234
1235 static void write_lattices(WriteData *wd, ListBase *idbase)
1236 {
1237         Lattice *lt;
1238         
1239         lt= idbase->first;
1240         while(lt) {
1241                 if(lt->id.us>0 || wd->current) {
1242                         /* write LibData */
1243                         writestruct(wd, ID_LT, "Lattice", 1, lt);
1244                         if (lt->id.properties) IDP_WriteProperty(lt->id.properties, wd);
1245
1246                         /* direct data */
1247                         writestruct(wd, DATA, "BPoint", lt->pntsu*lt->pntsv*lt->pntsw, lt->def);
1248                         
1249                         write_dverts(wd, lt->pntsu*lt->pntsv*lt->pntsw, lt->dvert);
1250                         
1251                 }
1252                 lt= lt->id.next;
1253         }
1254 }
1255
1256 static void write_previews(WriteData *wd, PreviewImage *prv)
1257 {
1258         if (prv) {
1259                 short w = prv->w[1];
1260                 short h = prv->h[1];
1261                 unsigned int *rect = prv->rect[1];
1262                 /* don't write out large previews if not requested */
1263                 if (!(U.flag & USER_SAVE_PREVIEWS) ) {
1264                         prv->w[1] = 0;
1265                         prv->h[1] = 0;
1266                         prv->rect[1] = NULL;
1267                 }
1268                 writestruct(wd, DATA, "PreviewImage", 1, prv);
1269                 if (prv->rect[0]) writedata(wd, DATA, prv->w[0]*prv->h[0]*sizeof(unsigned int), prv->rect[0]);
1270                 if (prv->rect[1]) writedata(wd, DATA, prv->w[1]*prv->h[1]*sizeof(unsigned int), prv->rect[1]);
1271
1272                 /* restore preview, we still want to keep it in memory even if not saved to file */
1273                 if (!(U.flag & USER_SAVE_PREVIEWS) ) {
1274                         prv->w[1] = w;
1275                         prv->h[1] = h;
1276                         prv->rect[1] = rect;
1277                 }
1278         }
1279 }
1280
1281 static void write_images(WriteData *wd, ListBase *idbase)
1282 {
1283         Image *ima;
1284         PackedFile * pf;
1285
1286
1287         ima= idbase->first;
1288         while(ima) {
1289                 if(ima->id.us>0 || wd->current) {
1290                         /* write LibData */
1291                         writestruct(wd, ID_IM, "Image", 1, ima);
1292                         if (ima->id.properties) IDP_WriteProperty(ima->id.properties, wd);
1293
1294                         if (ima->packedfile) {
1295                                 pf = ima->packedfile;
1296                                 writestruct(wd, DATA, "PackedFile", 1, pf);
1297                                 writedata(wd, DATA, pf->size, pf->data);
1298                         }
1299
1300                         write_previews(wd, ima->preview);
1301
1302                         }
1303                 ima= ima->id.next;
1304         }
1305         /* flush helps the compression for undo-save */
1306         mywrite(wd, MYWRITE_FLUSH, 0);
1307 }
1308
1309 static void write_textures(WriteData *wd, ListBase *idbase)
1310 {
1311         Tex *tex;
1312
1313         tex= idbase->first;
1314         while(tex) {
1315                 if(tex->id.us>0 || wd->current) {
1316                         /* write LibData */
1317                         writestruct(wd, ID_TE, "Tex", 1, tex);
1318                         if (tex->id.properties) IDP_WriteProperty(tex->id.properties, wd);
1319
1320                         /* direct data */
1321                         if(tex->plugin) writestruct(wd, DATA, "PluginTex", 1, tex->plugin);
1322                         if(tex->coba) writestruct(wd, DATA, "ColorBand", 1, tex->coba);
1323                         if(tex->env) writestruct(wd, DATA, "EnvMap", 1, tex->env);
1324                         
1325                         write_previews(wd, tex->preview);
1326                 }
1327                 tex= tex->id.next;
1328         }
1329
1330         /* flush helps the compression for undo-save */
1331         mywrite(wd, MYWRITE_FLUSH, 0);
1332 }
1333
1334 static void write_materials(WriteData *wd, ListBase *idbase)
1335 {
1336         Material *ma;
1337         int a;
1338
1339         ma= idbase->first;
1340         while(ma) {
1341                 if(ma->id.us>0 || wd->current) {
1342                         /* write LibData */
1343                         writestruct(wd, ID_MA, "Material", 1, ma);
1344                         
1345                         /*Write ID Properties -- and copy this comment EXACTLY for easy finding
1346                           of library blocks that implement this.*/
1347                         /*manually set head group property to IDP_GROUP, just in case it hadn't been
1348                           set yet :) */
1349                         if (ma->id.properties) IDP_WriteProperty(ma->id.properties, wd);
1350
1351                         for(a=0; a<MAX_MTEX; a++) {
1352                                 if(ma->mtex[a]) writestruct(wd, DATA, "MTex", 1, ma->mtex[a]);
1353                         }
1354                         
1355                         if(ma->ramp_col) writestruct(wd, DATA, "ColorBand", 1, ma->ramp_col);
1356                         if(ma->ramp_spec) writestruct(wd, DATA, "ColorBand", 1, ma->ramp_spec);
1357                         
1358                         write_scriptlink(wd, &ma->scriptlink);
1359                         
1360                         /* nodetree is integral part of material, no libdata */
1361                         if(ma->nodetree) {
1362                                 writestruct(wd, DATA, "bNodeTree", 1, ma->nodetree);
1363                                 write_nodetree(wd, ma->nodetree);
1364                         }
1365
1366                         write_previews(wd, ma->preview);                        
1367                 }
1368                 ma= ma->id.next;
1369         }
1370 }
1371
1372 static void write_worlds(WriteData *wd, ListBase *idbase)
1373 {
1374         World *wrld;
1375         int a;
1376
1377         wrld= idbase->first;
1378         while(wrld) {
1379                 if(wrld->id.us>0 || wd->current) {
1380                         /* write LibData */
1381                         writestruct(wd, ID_WO, "World", 1, wrld);
1382                         if (wrld->id.properties) IDP_WriteProperty(wrld->id.properties, wd);
1383
1384                         for(a=0; a<MAX_MTEX; a++) {
1385                                 if(wrld->mtex[a]) writestruct(wd, DATA, "MTex", 1, wrld->mtex[a]);
1386                         }
1387
1388                         write_scriptlink(wd, &wrld->scriptlink);
1389
1390                         write_previews(wd, wrld->preview);
1391
1392                 }
1393                 wrld= wrld->id.next;
1394         }
1395 }
1396
1397 static void write_lamps(WriteData *wd, ListBase *idbase)
1398 {
1399         Lamp *la;
1400         int a;
1401
1402         la= idbase->first;
1403         while(la) {
1404                 if(la->id.us>0 || wd->current) {
1405                         /* write LibData */
1406                         writestruct(wd, ID_LA, "Lamp", 1, la);
1407                         if (la->id.properties) IDP_WriteProperty(la->id.properties, wd);
1408
1409                         /* direct data */
1410                         for(a=0; a<MAX_MTEX; a++) {
1411                                 if(la->mtex[a]) writestruct(wd, DATA, "MTex", 1, la->mtex[a]);
1412                         }
1413
1414                         if(la->curfalloff)
1415                                 write_curvemapping(wd, la->curfalloff); 
1416                         
1417                         write_scriptlink(wd, &la->scriptlink);
1418
1419                         write_previews(wd, la->preview);
1420
1421                 }
1422                 la= la->id.next;
1423         }
1424 }
1425
1426
1427 static void write_scenes(WriteData *wd, ListBase *scebase)
1428 {
1429         Scene *sce;
1430         Base *base;
1431         Editing *ed;
1432         Sequence *seq;
1433         MetaStack *ms;
1434         Strip *strip;
1435         TimeMarker *marker;
1436         TransformOrientation *ts;
1437         SceneRenderLayer *srl;
1438         int a;
1439         
1440         sce= scebase->first;
1441         while(sce) {
1442                 /* write LibData */
1443                 writestruct(wd, ID_SCE, "Scene", 1, sce);
1444                 if (sce->id.properties) IDP_WriteProperty(sce->id.properties, wd);
1445
1446                 /* direct data */
1447                 base= sce->base.first;
1448                 while(base) {
1449                         writestruct(wd, DATA, "Base", 1, base);
1450                         base= base->next;
1451                 }
1452
1453                 writestruct(wd, DATA, "Radio", 1, sce->radio);
1454                 writestruct(wd, DATA, "ToolSettings", 1, sce->toolsettings);
1455
1456                 for(a=0; a<MAX_MTEX; ++a)
1457                         writestruct(wd, DATA, "MTex", 1, sce->sculptdata.mtex[a]);
1458                 if(sce->sculptdata.cumap)
1459                         write_curvemapping(wd, sce->sculptdata.cumap);
1460
1461                 ed= sce->ed;
1462                 if(ed) {
1463                         writestruct(wd, DATA, "Editing", 1, ed);
1464
1465                         /* reset write flags too */
1466                         WHILE_SEQ(&ed->seqbase) {
1467                                 if(seq->strip) seq->strip->done= 0;
1468                                 writestruct(wd, DATA, "Sequence", 1, seq);
1469                         }
1470                         END_SEQ
1471
1472                         WHILE_SEQ(&ed->seqbase) {
1473                                 if(seq->strip && seq->strip->done==0) {
1474                                         /* write strip with 'done' at 0 because readfile */
1475
1476                                         if(seq->plugin) writestruct(wd, DATA, "PluginSeq", 1, seq->plugin);
1477                                         if(seq->effectdata) {
1478                                                 switch(seq->type){
1479                                                 case SEQ_COLOR:
1480                                                         writestruct(wd, DATA, "SolidColorVars", 1, seq->effectdata);
1481                                                         break;
1482                                                 case SEQ_SPEED:
1483                                                         writestruct(wd, DATA, "SpeedControlVars", 1, seq->effectdata);
1484                                                         break;
1485                                                 case SEQ_WIPE:
1486                                                         writestruct(wd, DATA, "WipeVars", 1, seq->effectdata);
1487                                                         break;
1488                                                 case SEQ_GLOW:
1489                                                         writestruct(wd, DATA, "GlowVars", 1, seq->effectdata);
1490                                                         break;
1491                                                 case SEQ_TRANSFORM:
1492                                                         writestruct(wd, DATA, "TransformVars", 1, seq->effectdata);
1493                                                         break;
1494                                                 }
1495                                         }
1496
1497                                         strip= seq->strip;
1498                                         writestruct(wd, DATA, "Strip", 1, strip);
1499                                         if(seq->flag & SEQ_USE_CROP && strip->crop) {
1500                                                 writestruct(wd, DATA, "StripCrop", 1, strip->crop);
1501                                         }
1502                                         if(seq->flag & SEQ_USE_TRANSFORM && strip->transform) {
1503                                                 writestruct(wd, DATA, "StripTransform", 1, strip->transform);
1504                                         }
1505                                         if(seq->flag & SEQ_USE_PROXY && strip->proxy) {
1506                                                 writestruct(wd, DATA, "StripProxy", 1, strip->proxy);
1507                                         }
1508                                         if(seq->type==SEQ_IMAGE)
1509                                                 writestruct(wd, DATA, "StripElem", strip->len, strip->stripdata);
1510                                         else if(seq->type==SEQ_MOVIE || seq->type==SEQ_RAM_SOUND || seq->type == SEQ_HD_SOUND)
1511                                                 writestruct(wd, DATA, "StripElem", 1, strip->stripdata);
1512
1513                                         strip->done= 1;
1514                                 }
1515                         }
1516                         END_SEQ
1517                                 
1518                         /* new; meta stack too, even when its nasty restore code */
1519                         for(ms= ed->metastack.first; ms; ms= ms->next) {
1520                                 writestruct(wd, DATA, "MetaStack", 1, ms);
1521                         }
1522                 }
1523
1524                 write_scriptlink(wd, &sce->scriptlink);
1525
1526                 if (sce->r.avicodecdata) {
1527                         writestruct(wd, DATA, "AviCodecData", 1, sce->r.avicodecdata);
1528                         if (sce->r.avicodecdata->lpFormat) writedata(wd, DATA, sce->r.avicodecdata->cbFormat, sce->r.avicodecdata->lpFormat);
1529                         if (sce->r.avicodecdata->lpParms) writedata(wd, DATA, sce->r.avicodecdata->cbParms, sce->r.avicodecdata->lpParms);
1530                 }
1531
1532                 if (sce->r.qtcodecdata) {
1533                         writestruct(wd, DATA, "QuicktimeCodecData", 1, sce->r.qtcodecdata);
1534                         if (sce->r.qtcodecdata->cdParms) writedata(wd, DATA, sce->r.qtcodecdata->cdSize, sce->r.qtcodecdata->cdParms);
1535                 }
1536
1537                 /* writing dynamic list of TimeMarkers to the blend file */
1538                 for(marker= sce->markers.first; marker; marker= marker->next)
1539                         writestruct(wd, DATA, "TimeMarker", 1, marker);
1540                 
1541                 /* writing dynamic list of TransformOrientations to the blend file */
1542                 for(ts = sce->transform_spaces.first; ts; ts = ts->next)
1543                         writestruct(wd, DATA, "TransformOrientation", 1, ts);
1544                 
1545                 for(srl= sce->r.layers.first; srl; srl= srl->next)
1546                         writestruct(wd, DATA, "SceneRenderLayer", 1, srl);
1547                 
1548                 if(sce->nodetree) {
1549                         writestruct(wd, DATA, "bNodeTree", 1, sce->nodetree);
1550                         write_nodetree(wd, sce->nodetree);
1551                 }
1552                 
1553                 sce= sce->id.next;
1554         }
1555         /* flush helps the compression for undo-save */
1556         mywrite(wd, MYWRITE_FLUSH, 0);
1557 }
1558
1559 static void write_screens(WriteData *wd, ListBase *scrbase)
1560 {
1561         bScreen *sc;
1562         ScrArea *sa;
1563         ScrVert *sv;
1564         ScrEdge *se;
1565
1566         sc= scrbase->first;
1567         while(sc) {
1568                 /* write LibData */
1569                 writestruct(wd, ID_SCR, "Screen", 1, sc);
1570                 if (sc->id.properties) IDP_WriteProperty(sc->id.properties, wd);
1571
1572                 /* direct data */
1573                 sv= sc->vertbase.first;
1574                 while(sv) {
1575                         writestruct(wd, DATA, "ScrVert", 1, sv);
1576                         sv= sv->next;
1577                 }
1578
1579                 se= sc->edgebase.first;
1580                 while(se) {
1581                         writestruct(wd, DATA, "ScrEdge", 1, se);
1582                         se= se->next;
1583                 }
1584
1585                 sa= sc->areabase.first;
1586                 while(sa) {
1587                         SpaceLink *sl;
1588                         Panel *pa;
1589
1590                         writestruct(wd, DATA, "ScrArea", 1, sa);
1591
1592                         pa= sa->panels.first;
1593                         while(pa) {
1594                                 writestruct(wd, DATA, "Panel", 1, pa);
1595                                 pa= pa->next;
1596                         }
1597
1598                         /* space handler scriptlinks */
1599                         write_scriptlink(wd, &sa->scriptlink);
1600
1601                         sl= sa->spacedata.first;
1602                         while(sl) {
1603                                 if(sl->spacetype==SPACE_VIEW3D) {
1604                                         View3D *v3d= (View3D*) sl;
1605                                         writestruct(wd, DATA, "View3D", 1, v3d);
1606                                         if(v3d->bgpic) writestruct(wd, DATA, "BGpic", 1, v3d->bgpic);
1607                                         if(v3d->localvd) writestruct(wd, DATA, "View3D", 1, v3d->localvd);
1608                                         if(v3d->clipbb) writestruct(wd, DATA, "BoundBox", 1, v3d->clipbb);
1609                                 }
1610                                 else if(sl->spacetype==SPACE_IPO) {
1611                                         writestruct(wd, DATA, "SpaceIpo", 1, sl);
1612                                 }
1613                                 else if(sl->spacetype==SPACE_BUTS) {
1614                                         writestruct(wd, DATA, "SpaceButs", 1, sl);
1615                                 }
1616                                 else if(sl->spacetype==SPACE_FILE) {
1617                                         writestruct(wd, DATA, "SpaceFile", 1, sl);
1618                                 }
1619                                 else if(sl->spacetype==SPACE_SEQ) {
1620                                         writestruct(wd, DATA, "SpaceSeq", 1, sl);
1621                                 }
1622                                 else if(sl->spacetype==SPACE_OOPS) {
1623                                         SpaceOops *so= (SpaceOops *)sl;
1624                                         Oops *oops;
1625
1626                                         /* cleanup */
1627                                         oops= so->oops.first;
1628                                         while(oops) {
1629                                                 Oops *oopsn= oops->next;
1630                                                 if(oops->id==0) {
1631                                                         BLI_remlink(&so->oops, oops);
1632                                                         free_oops(oops);
1633                                                 }
1634                                                 oops= oopsn;
1635                                         }
1636
1637                                         /* ater cleanup, because of listbase! */
1638                                         writestruct(wd, DATA, "SpaceOops", 1, so);
1639
1640                                         oops= so->oops.first;
1641                                         while(oops) {
1642                                                 writestruct(wd, DATA, "Oops", 1, oops);
1643                                                 oops= oops->next;
1644                                         }
1645                                         /* outliner */
1646                                         if(so->treestore) {
1647                                                 writestruct(wd, DATA, "TreeStore", 1, so->treestore);
1648                                                 if(so->treestore->data)
1649                                                         writestruct(wd, DATA, "TreeStoreElem", so->treestore->usedelem, so->treestore->data);
1650                                         }
1651                                 }
1652                                 else if(sl->spacetype==SPACE_IMAGE) {
1653                                         SpaceImage *sima= (SpaceImage *)sl;
1654                                         
1655                                         writestruct(wd, DATA, "SpaceImage", 1, sl);
1656                                         if(sima->cumap)
1657                                                 write_curvemapping(wd, sima->cumap);                                    
1658                                 }
1659                                 else if(sl->spacetype==SPACE_IMASEL) {
1660                                         writestruct(wd, DATA, "SpaceImaSel", 1, sl);
1661                                 }
1662                                 else if(sl->spacetype==SPACE_TEXT) {
1663                                         writestruct(wd, DATA, "SpaceText", 1, sl);
1664                                 }
1665                                 else if(sl->spacetype==SPACE_SCRIPT) {
1666                                         SpaceScript *sc = (SpaceScript*)sl;
1667                                         sc->but_refs = NULL;
1668                                         writestruct(wd, DATA, "SpaceScript", 1, sl);
1669                                 }
1670                                 else if(sl->spacetype==SPACE_ACTION) {
1671                                         writestruct(wd, DATA, "SpaceAction", 1, sl);
1672                                 }
1673                                 else if(sl->spacetype==SPACE_SOUND) {
1674                                         writestruct(wd, DATA, "SpaceSound", 1, sl);
1675                                 }
1676                                 else if(sl->spacetype==SPACE_NLA){
1677                                         writestruct(wd, DATA, "SpaceNla", 1, sl);
1678                                 }
1679                                 else if(sl->spacetype==SPACE_TIME){
1680                                         writestruct(wd, DATA, "SpaceTime", 1, sl);
1681                                 }
1682                                 else if(sl->spacetype==SPACE_NODE){
1683                                         writestruct(wd, DATA, "SpaceNode", 1, sl);
1684                                 }
1685                                 sl= sl->next;
1686                         }
1687
1688                         sa= sa->next;
1689                 }
1690
1691                 sc= sc->id.next;
1692         }
1693 }
1694
1695 static void write_libraries(WriteData *wd, Main *main)
1696 {
1697         ListBase *lbarray[30];
1698         ID *id;
1699         int a, tot, foundone;
1700
1701         for(; main; main= main->next) {
1702
1703                 a=tot= set_listbasepointers(main, lbarray);
1704
1705                 /* test: is lib being used */
1706                 foundone= 0;
1707                 while(tot--) {
1708                         for(id= lbarray[tot]->first; id; id= id->next) {
1709                                 if(id->us>0 && (id->flag & LIB_EXTERN)) {
1710                                         foundone= 1;
1711                                         break;
1712                                 }
1713                         }
1714                         if(foundone) break;
1715                 }
1716
1717                 if(foundone) {
1718                         writestruct(wd, ID_LI, "Library", 1, main->curlib);
1719
1720                         while(a--) {
1721                                 for(id= lbarray[a]->first; id; id= id->next) {
1722                                         if(id->us>0 && (id->flag & LIB_EXTERN)) {
1723                                                 writestruct(wd, ID_ID, "ID", 1, id);
1724                                         }
1725                                 }
1726                         }
1727                 }
1728         }
1729 }
1730
1731 static void write_bone(WriteData *wd, Bone* bone)
1732 {
1733         Bone*   cbone;
1734
1735         // PATCH for upward compatibility after 2.37+ armature recode
1736         bone->size[0]= bone->size[1]= bone->size[2]= 1.0f;
1737                 
1738         // Write this bone
1739         writestruct(wd, DATA, "Bone", 1, bone);
1740         
1741         // Write Children
1742         cbone= bone->childbase.first;
1743         while(cbone) {
1744                 write_bone(wd, cbone);
1745                 cbone= cbone->next;
1746         }
1747 }
1748
1749 static void write_armatures(WriteData *wd, ListBase *idbase)
1750 {
1751         bArmature       *arm;
1752         Bone            *bone;
1753
1754         arm=idbase->first;
1755         while (arm) {
1756                 if (arm->id.us>0 || wd->current) {
1757                         writestruct(wd, ID_AR, "bArmature", 1, arm);
1758                         if (arm->id.properties) IDP_WriteProperty(arm->id.properties, wd);
1759
1760                         /* Direct data */
1761                         bone= arm->bonebase.first;
1762                         while(bone) {
1763                                 write_bone(wd, bone);
1764                                 bone=bone->next;
1765                         }
1766                 }
1767                 arm=arm->id.next;
1768         }
1769
1770         /* flush helps the compression for undo-save */
1771         mywrite(wd, MYWRITE_FLUSH, 0);
1772 }
1773
1774 static void write_actions(WriteData *wd, ListBase *idbase)
1775 {
1776         bAction                 *act;
1777         bActionChannel  *chan;
1778         bActionGroup    *grp;
1779         TimeMarker *marker;
1780         
1781         for(act=idbase->first; act; act= act->id.next) {
1782                 if (act->id.us>0 || wd->current) {
1783                         writestruct(wd, ID_AC, "bAction", 1, act);
1784                         if (act->id.properties) IDP_WriteProperty(act->id.properties, wd);
1785                         
1786                         for (chan=act->chanbase.first; chan; chan=chan->next) {
1787                                 writestruct(wd, DATA, "bActionChannel", 1, chan);
1788                                 write_constraint_channels(wd, &chan->constraintChannels);
1789                         }
1790                         
1791                         for (grp=act->groups.first; grp; grp=grp->next) {
1792                                 writestruct(wd, DATA, "bActionGroup", 1, grp);
1793                         }
1794                         
1795                         for (marker=act->markers.first; marker; marker=marker->next) {
1796                                 writestruct(wd, DATA, "TimeMarker", 1, marker);
1797                         }
1798                 }
1799         }
1800 }
1801
1802 static void write_texts(WriteData *wd, ListBase *idbase)
1803 {
1804         Text *text;
1805         TextLine *tmp;
1806
1807         text= idbase->first;
1808         while(text) {
1809                 if ( (text->flags & TXT_ISMEM) && (text->flags & TXT_ISEXT)) text->flags &= ~TXT_ISEXT;
1810
1811                 /* write LibData */
1812                 writestruct(wd, ID_TXT, "Text", 1, text);
1813                 if(text->name) writedata(wd, DATA, strlen(text->name)+1, text->name);
1814                 if (text->id.properties) IDP_WriteProperty(text->id.properties, wd);
1815
1816                 if(!(text->flags & TXT_ISEXT)) {
1817                         /* now write the text data, in two steps for optimization in the readfunction */
1818                         tmp= text->lines.first;
1819                         while (tmp) {
1820                                 writestruct(wd, DATA, "TextLine", 1, tmp);
1821                                 tmp= tmp->next;
1822                         }
1823
1824                         tmp= text->lines.first;
1825                         while (tmp) {
1826                                 writedata(wd, DATA, tmp->len+1, tmp->line);
1827                                 tmp= tmp->next;
1828                         }
1829                 }
1830                 text= text->id.next;
1831         }
1832
1833         /* flush helps the compression for undo-save */
1834         mywrite(wd, MYWRITE_FLUSH, 0);
1835 }
1836
1837 static void write_sounds(WriteData *wd, ListBase *idbase)
1838 {
1839         bSound *sound;
1840         bSample *sample;
1841
1842         PackedFile * pf;
1843
1844         // set all samples to unsaved status
1845
1846         sample = samples->first; // samples is a global defined in sound.c
1847         while (sample) {
1848                 sample->flags |= SAMPLE_NEEDS_SAVE;
1849                 sample = sample->id.next;
1850         }
1851
1852         sound= idbase->first;
1853         while(sound) {
1854                 if(sound->id.us>0 || wd->current) {
1855                         // do we need to save the packedfile as well ?
1856                         sample = sound->sample;
1857                         if (sample) {
1858                                 if (sample->flags & SAMPLE_NEEDS_SAVE) {
1859                                         sound->newpackedfile = sample->packedfile;
1860                                         sample->flags &= ~SAMPLE_NEEDS_SAVE;
1861                                 } else {
1862                                         sound->newpackedfile = NULL;
1863                                 }
1864                         }
1865
1866                         /* write LibData */
1867                         writestruct(wd, ID_SO, "bSound", 1, sound);
1868                         if (sound->id.properties) IDP_WriteProperty(sound->id.properties, wd);
1869
1870                         if (sound->newpackedfile) {
1871                                 pf = sound->newpackedfile;
1872                                 writestruct(wd, DATA, "PackedFile", 1, pf);
1873                                 writedata(wd, DATA, pf->size, pf->data);
1874                         }
1875
1876                         if (sample) {
1877                                 sound->newpackedfile = sample->packedfile;
1878                         }
1879                 }
1880                 sound= sound->id.next;
1881         }
1882
1883         /* flush helps the compression for undo-save */
1884         mywrite(wd, MYWRITE_FLUSH, 0);
1885 }
1886
1887 static void write_groups(WriteData *wd, ListBase *idbase)
1888 {
1889         Group *group;
1890         GroupObject *go;
1891
1892         for(group= idbase->first; group; group= group->id.next) {
1893                 if(group->id.us>0 || wd->current) {
1894                         /* write LibData */
1895                         writestruct(wd, ID_GR, "Group", 1, group);
1896                         if (group->id.properties) IDP_WriteProperty(group->id.properties, wd);
1897
1898                         go= group->gobject.first;
1899                         while(go) {
1900                                 writestruct(wd, DATA, "GroupObject", 1, go);
1901                                 go= go->next;
1902                         }
1903                 }
1904         }
1905 }
1906
1907 static void write_nodetrees(WriteData *wd, ListBase *idbase)
1908 {
1909         bNodeTree *ntree;
1910         
1911         for(ntree=idbase->first; ntree; ntree= ntree->id.next) {
1912                 if (ntree->id.us>0 || wd->current) {
1913                         writestruct(wd, ID_NT, "bNodeTree", 1, ntree);
1914                         write_nodetree(wd, ntree);
1915                         if (ntree->id.properties) IDP_WriteProperty(ntree->id.properties, wd);
1916                 }
1917         }
1918 }
1919
1920 static void write_brushes(WriteData *wd, ListBase *idbase)
1921 {
1922         Brush *brush;
1923         int a;
1924         
1925         for(brush=idbase->first; brush; brush= brush->id.next) {
1926                 if(brush->id.us>0 || wd->current) {
1927                         writestruct(wd, ID_BR, "Brush", 1, brush);
1928                         if (brush->id.properties) IDP_WriteProperty(brush->id.properties, wd);
1929                         for(a=0; a<MAX_MTEX; a++)
1930                                 if(brush->mtex[a])
1931                                         writestruct(wd, DATA, "MTex", 1, brush->mtex[a]);
1932                 }
1933         }
1934 }
1935
1936 static void write_global(WriteData *wd)
1937 {
1938         FileGlobal fg;
1939         char subvstr[8];
1940         
1941         fg.curscreen= G.curscreen;
1942         fg.curscene= G.scene;
1943         fg.displaymode= G.displaymode;
1944         fg.winpos= G.winpos;
1945         fg.fileflags= (G.fileflags & ~G_FILE_NO_UI);    // prevent to save this, is not good convention, and feature with concerns...
1946         fg.globalf= G.f;
1947
1948         sprintf(subvstr, "%4d", BLENDER_SUBVERSION);
1949         memcpy(fg.subvstr, subvstr, 4);
1950         
1951         fg.subversion= BLENDER_SUBVERSION;
1952         fg.minversion= BLENDER_MINVERSION;
1953         fg.minsubversion= BLENDER_MINSUBVERSION;
1954         
1955         writestruct(wd, GLOB, "FileGlobal", 1, &fg);
1956 }
1957
1958 /* if MemFile * there's filesave to memory */
1959 static int write_file_handle(int handle, MemFile *compare, MemFile *current, int write_user_block, int write_flags)
1960 {
1961         BHead bhead;
1962         ListBase mainlist;
1963         char buf[16];
1964         WriteData *wd;
1965
1966         blo_split_main(&mainlist, G.main);
1967
1968         wd= bgnwrite(handle, compare, current, write_flags);
1969         
1970         sprintf(buf, "BLENDER%c%c%.3d", (sizeof(void*)==8)?'-':'_', (G.order==B_ENDIAN)?'V':'v', G.version);
1971         mywrite(wd, buf, 12);
1972
1973         write_renderinfo(wd);
1974         write_global(wd);
1975
1976         if(current==NULL)
1977                 write_screens  (wd, &G.main->screen);   /* no UI save in undo */
1978         write_scenes   (wd, &G.main->scene);
1979         write_curves   (wd, &G.main->curve);
1980         write_mballs   (wd, &G.main->mball);
1981         write_images   (wd, &G.main->image);
1982         write_cameras  (wd, &G.main->camera);
1983         write_lamps    (wd, &G.main->lamp);
1984         write_lattices (wd, &G.main->latt);
1985         write_vfonts   (wd, &G.main->vfont);
1986         write_ipos     (wd, &G.main->ipo);
1987         write_keys     (wd, &G.main->key);
1988         write_worlds   (wd, &G.main->world);
1989         write_texts    (wd, &G.main->text);
1990         write_sounds   (wd, &G.main->sound);
1991         write_groups   (wd, &G.main->group);
1992         write_armatures(wd, &G.main->armature);
1993         write_actions  (wd, &G.main->action);
1994         write_objects  (wd, &G.main->object);
1995         write_materials(wd, &G.main->mat);
1996         write_textures (wd, &G.main->tex);
1997         write_meshs    (wd, &G.main->mesh);
1998         write_particlesettings(wd, &G.main->particle);
1999         write_nodetrees(wd, &G.main->nodetree);
2000         write_brushes  (wd, &G.main->brush);
2001         if(current==NULL)       
2002                 write_libraries(wd,  G.main->next); /* no library save in undo */
2003
2004         if (write_user_block) {
2005                 write_userdef(wd);
2006         }
2007
2008         /* dna as last, because (to be implemented) test for which structs are written */
2009         writedata(wd, DNA1, wd->sdna->datalen, wd->sdna->data);
2010
2011         /* end of file */
2012         memset(&bhead, 0, sizeof(BHead));
2013         bhead.code= ENDB;
2014         mywrite(wd, &bhead, sizeof(BHead));
2015
2016         blo_join_main(&mainlist);
2017         G.main= mainlist.first;
2018
2019         return endwrite(wd);
2020 }
2021
2022 /* return: success (1) */
2023 int BLO_write_file(char *dir, int write_flags, char **error_r)
2024 {
2025         char userfilename[FILE_MAXDIR+FILE_MAXFILE];
2026         char tempname[FILE_MAXDIR+FILE_MAXFILE];
2027         int file, err, write_user_block;
2028
2029         sprintf(tempname, "%s@", dir);
2030
2031         file = open(tempname,O_BINARY+O_WRONLY+O_CREAT+O_TRUNC, 0666);
2032         if(file == -1) {
2033                 *error_r= "Unable to open";
2034                 return 0;
2035         }
2036
2037         BLI_make_file_string(G.sce, userfilename, BLI_gethome(), ".B.blend");
2038
2039         write_user_block= BLI_streq(dir, userfilename);
2040
2041         err= write_file_handle(file, NULL,NULL, write_user_block, write_flags);
2042         close(file);
2043
2044         if(!err) {
2045                 if(write_flags & G_FILE_COMPRESS)
2046                 {       
2047                         // compressed files have the same ending as regular files... only from 2.4!!!
2048                         
2049                         int ret = BLI_gzip(tempname, dir);
2050                         
2051                         if(-1==ret) {
2052                                 *error_r= "Failed opening .gz file";
2053                                 return 0;
2054                         }
2055                         if(-2==ret) {
2056                                 *error_r= "Failed opening .blend file for compression";
2057                                 return 0;
2058                         }
2059                 }
2060                 else
2061                 if(BLI_rename(tempname, dir) < 0) {
2062                         *error_r= "Can't change old file. File saved with @";
2063                         return 0;
2064                 }
2065
2066                 
2067         } else {
2068                 *error_r= strerror(errno);
2069                 remove(tempname);
2070
2071                 return 0;
2072         }
2073
2074         return 1;
2075 }
2076
2077 /* return: success (1) */
2078 int BLO_write_file_mem(MemFile *compare, MemFile *current, int write_flags, char **error_r)
2079 {
2080         int err;
2081
2082         err= write_file_handle(0, compare, current, 0, write_flags);
2083         
2084         if(err==0) return 1;
2085         return 0;
2086 }
2087
2088
2089         /* Runtime writing */
2090
2091 #ifdef WIN32
2092 #define PATHSEPERATOR           "\\"
2093 #else
2094 #define PATHSEPERATOR           "/"
2095 #endif
2096
2097 static char *get_install_dir(void) {
2098         extern char bprogname[];
2099         char *tmpname = BLI_strdup(bprogname);
2100         char *cut;
2101
2102 #ifdef __APPLE__
2103         cut = strstr(tmpname, ".app");
2104         if (cut) cut[0] = 0;
2105 #endif
2106
2107         cut = BLI_last_slash(tmpname);
2108
2109         if (cut) {
2110                 cut[0] = 0;
2111                 return tmpname;
2112         } else {
2113                 MEM_freeN(tmpname);
2114                 return NULL;
2115         }
2116 }
2117
2118 static char *get_runtime_path(char *exename) {
2119         char *installpath= get_install_dir();
2120
2121         if (!installpath) {
2122                 return NULL;
2123         } else {
2124                 char *path= MEM_mallocN(strlen(installpath)+strlen(PATHSEPERATOR)+strlen(exename)+1, "runtimepath");
2125
2126                 if (path == NULL) {
2127                         MEM_freeN(installpath);
2128                         return NULL;
2129                 }
2130
2131                 strcpy(path, installpath);
2132                 strcat(path, PATHSEPERATOR);
2133                 strcat(path, exename);
2134
2135                 MEM_freeN(installpath);
2136
2137                 return path;
2138         }
2139 }
2140
2141 #ifdef __APPLE__
2142
2143 static int recursive_copy_runtime(char *outname, char *exename, char **cause_r) 
2144 {
2145         char *cause = NULL, *runtime = get_runtime_path(exename);
2146         char command[2 * (FILE_MAXDIR+FILE_MAXFILE) + 32];
2147         int progfd = -1;
2148
2149         if (!runtime) {
2150                 cause= "Unable to find runtime";
2151                 goto cleanup;
2152         }
2153         //printf("runtimepath %s\n", runtime);
2154                 
2155         progfd= open(runtime, O_BINARY|O_RDONLY, 0);
2156         if (progfd==-1) {
2157                 cause= "Unable to find runtime";
2158                 goto cleanup;
2159         }
2160
2161         sprintf(command, "/bin/cp -R \"%s\" \"%s\"", runtime, outname);
2162         //printf("command %s\n", command);
2163         if (system(command) == -1) {
2164                 cause = "Couldn't copy runtime";
2165         }
2166
2167 cleanup:
2168         if (progfd!=-1)
2169                 close(progfd);
2170         if (runtime)
2171                 MEM_freeN(runtime);
2172
2173         if (cause) {
2174                 *cause_r= cause;
2175                 return 0;
2176         } else
2177                 return 1;
2178 }
2179
2180 void BLO_write_runtime(char *file, char *exename) {
2181         char gamename[FILE_MAXDIR+FILE_MAXFILE];
2182         int outfd = -1;
2183         char *cause= NULL;
2184
2185         // remove existing file / bundle
2186         //printf("Delete file %s\n", file);
2187         BLI_delete(file, 0, TRUE);
2188
2189         if (!recursive_copy_runtime(file, exename, &cause))
2190                 goto cleanup;
2191
2192         strcpy(gamename, file);
2193         strcat(gamename, "/Contents/Resources/game.blend");
2194         //printf("gamename %s\n", gamename);
2195         outfd= open(gamename, O_BINARY|O_WRONLY|O_CREAT|O_TRUNC, 0777);
2196         if (outfd != -1) {
2197
2198                 write_file_handle(outfd, NULL,NULL, 0, G.fileflags);
2199
2200                 if (write(outfd, " ", 1) != 1) {
2201                         cause= "Unable to write to output file";
2202                         goto cleanup;
2203                 }
2204         } else {
2205                 cause = "Unable to open blenderfile";
2206         }
2207
2208 cleanup:
2209         if (outfd!=-1)
2210                 close(outfd);
2211
2212         if (cause)
2213                 error("Unable to make runtime: %s", cause);
2214 }
2215
2216 #else /* !__APPLE__ */
2217
2218 static int handle_append_runtime(int handle, char *exename, char **cause_r) {
2219         char *cause= NULL, *runtime= get_runtime_path(exename);
2220         unsigned char buf[1024];
2221         int count, progfd= -1;
2222
2223         if (!runtime) {
2224                 cause= "Unable to find runtime";
2225                 goto cleanup;
2226         }
2227
2228         progfd= open(runtime, O_BINARY|O_RDONLY, 0);
2229         if (progfd==-1) {
2230                 cause= "Unable to find runtime";
2231                 goto cleanup;
2232         }
2233
2234         while ((count= read(progfd, buf, sizeof(buf)))>0) {
2235                 if (write(handle, buf, count)!=count) {
2236                         cause= "Unable to write to output file";
2237                         goto cleanup;
2238                 }
2239         }
2240
2241 cleanup:
2242         if (progfd!=-1)
2243                 close(progfd);
2244         if (runtime)
2245                 MEM_freeN(runtime);
2246
2247         if (cause) {
2248                 *cause_r= cause;
2249                 return 0;
2250         } else
2251                 return 1;
2252 }
2253
2254 static int handle_write_msb_int(int handle, int i) {
2255         unsigned char buf[4];
2256         buf[0]= (i>>24)&0xFF;
2257         buf[1]= (i>>16)&0xFF;
2258         buf[2]= (i>>8)&0xFF;
2259         buf[3]= (i>>0)&0xFF;
2260
2261         return (write(handle, buf, 4)==4);
2262 }
2263
2264 void BLO_write_runtime(char *file, char *exename) {
2265         int outfd= open(file, O_BINARY|O_WRONLY|O_CREAT|O_TRUNC, 0777);
2266         char *cause= NULL;
2267         int datastart;
2268
2269         if (!outfd) {
2270                 cause= "Unable to open output file";
2271                 goto cleanup;
2272         }
2273         if (!handle_append_runtime(outfd, exename, &cause))
2274                 goto cleanup;
2275
2276         datastart= lseek(outfd, 0, SEEK_CUR);
2277
2278         write_file_handle(outfd, NULL,NULL, 0, G.fileflags);
2279
2280         if (!handle_write_msb_int(outfd, datastart) || (write(outfd, "BRUNTIME", 8)!=8)) {
2281                 cause= "Unable to write to output file";
2282                 goto cleanup;
2283         }
2284
2285 cleanup:
2286         if (outfd!=-1)
2287                 close(outfd);
2288
2289         if (cause)
2290                 error("Unable to make runtime: %s", cause);
2291 }
2292
2293 #endif /* !__APPLE__ */