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 #ifndef WIN32
  87 #include <unistd.h>
  88 #else
  89 #include "winsock2.h"
  90 #include "BLI_winstuff.h"
  91 #include <io.h>
  92 #include <process.h> // for getpid
  93 #endif
  94
  95 #include <math.h>
  96 #include <fcntl.h>
  97 #include <stdio.h>
  98 #include <string.h>
  99 #include <stdlib.h>
 100
 101 #include "nla.h" //  __NLA is defined
 102
 103 #include "DNA_packedFile_types.h"
 104 #include "DNA_sdna_types.h"
 105 #include "DNA_property_types.h"
 106 #include "DNA_sensor_types.h"
 107 #include "DNA_controller_types.h"
 108 #include "DNA_actuator_types.h"
 109 #include "DNA_effect_types.h"
 110 #include "DNA_object_types.h"
 111 #include "DNA_userdef_types.h"
 112 #include "DNA_vfont_types.h"
 113 #include "DNA_ipo_types.h"
 114 #include "DNA_curve_types.h"
 115 #include "DNA_camera_types.h"
 116 #include "DNA_meta_types.h"
 117 #include "DNA_mesh_types.h"
 118 #include "DNA_meshdata_types.h"
 119 #include "DNA_material_types.h"
 120 #include "DNA_lattice_types.h"
 121 #include "DNA_armature_types.h"
 122 #include "DNA_sequence_types.h"
 123 #include "DNA_ika_types.h"
 124 #include "DNA_group_types.h"
 125 #include "DNA_oops_types.h"
 126 #include "DNA_space_types.h"
 127 #include "DNA_screen_types.h"
 128 #include "DNA_view3d_types.h"
 129 #include "DNA_lamp_types.h"
 130 #include "DNA_fileglobal_types.h"
 131 #include "DNA_sound_types.h"
 132 #include "DNA_texture_types.h"
 133 #include "DNA_text_types.h"
 134 #include "DNA_image_types.h"
 135 #include "DNA_key_types.h"
 136 #include "DNA_scene_types.h"
 137 #include "DNA_constraint_types.h"
 138 #include "DNA_listBase.h" /* for Listbase, the type of samples, ...*/
 139 #include "DNA_action_types.h"
 140 #include "DNA_nla_types.h"
 141
 142 #include "MEM_guardedalloc.h" // MEM_freeN
 143 #include "BLI_blenlib.h"
 144 #include "BLI_linklist.h"
 145
 146 #include "BKE_action.h"
 147 #include "BKE_utildefines.h" // for KNOTSU KNOTSV WHILE_SEQ END_SEQ defines
 148 #include "BKE_bad_level_calls.h" // build_seqar (from WHILE_SEQ) free_oops error
 149 #include "BKE_constraint.h"
 150 #include "BKE_main.h" // G.main
 151 #include "BKE_global.h" // for G
 152 #include "BKE_screen.h" // for waitcursor
 153 #include "BKE_packedFile.h" // for packAll
 154 #include "BKE_library.h" // for  set_listbasepointers
 155 #include "BKE_sound.h" /* ... and for samples */
 156
 157 #include "GEN_messaging.h"
 158
 159 #include "BLO_writefile.h"
 160 #include "BLO_readfile.h"
 161
 162 #include "readfile.h"
 163 #include "genfile.h"
 164
 165 typedef struct {
 166         struct SDNA *sdna;
 167
 168         int file;
 169         unsigned char *buf;
 170
 171         int tot, count, error;
 172 } WriteData;
 173
 174 static WriteData *writedata_new(int file)
 175 {
 176         extern char DNAstr[];   /* DNA.c */
 177         extern int DNAlen;
 178
 179         WriteData *wd= MEM_callocN(sizeof(*wd), "writedata");
 180
 181                 /* XXX, see note about this in readfile.c, remove
 182                  * once we have an xp lock - zr
 183                  */
 184         wd->sdna= dna_sdna_from_data(DNAstr, DNAlen, 0);
 185
 186         wd->file= file;
 187
 188         wd->buf= MEM_mallocN(100000, "wd->buf");
 189
 190         return wd;
 191 }
 192
 193 static void writedata_do_write(WriteData *wd, void *mem, int memlen)
 194 {
 195         if (wd->error) return;
 196         if (write(wd->file, mem, memlen) != memlen)
 197                 wd->error= 1;
 198 }
 199
 200 static void writedata_free(WriteData *wd)
 201 {
 202         dna_freestructDNA(wd->sdna);
 203
 204         MEM_freeN(wd->buf);
 205         MEM_freeN(wd);
 206 }
 207
 208 /***/
 209
 210 int mywfile;
 211
 212 /**
 213  * Low level WRITE(2) wrapper that buffers data
 214  * @param adr Pointer to new chunk of data
 215  * @param len Length of new chunk of data
 216  * @warning Talks to other functions with global parameters
 217  */
 218         static void
 219 mywrite(
 220         WriteData *wd,
 221         void *adr,
 222         int len)
 223 {
 224         if (wd->error) return;
 225
 226         wd->tot+= len;
 227
 228         if(len>50000) {
 229                 if(wd->count) {
 230                         writedata_do_write(wd, wd->buf, wd->count);
 231                         wd->count= 0;
 232                 }
 233                 writedata_do_write(wd, adr, len);
 234                 return;
 235         }
 236         if(len+wd->count>99999) {
 237                 writedata_do_write(wd, wd->buf, wd->count);
 238                 wd->count= 0;
 239         }
 240         memcpy(&wd->buf[wd->count], adr, len);
 241         wd->count+= len;
 242 }
 243
 244 /**
 245  * BeGiN initializer for mywrite
 246  * @param file File descriptor
 247  * @param write_flags Write parameters
 248  * @warning Talks to other functions with global parameters
 249  */
 250         static WriteData *
 251 bgnwrite(
 252         int file,
 253         int write_flags)
 254 {
 255         WriteData *wd= writedata_new(file);
 256
 257         return wd;
 258 }
 259
 260 /**
 261  * END the mywrite wrapper
 262  * @return 1 if write failed
 263  * @return unknown global variable otherwise
 264  * @warning Talks to other functions with global parameters
 265  */
 266         static int
 267 endwrite(
 268         WriteData *wd)
 269 {
 270         int err;
 271
 272         if (wd->count) {
 273                 writedata_do_write(wd, wd->buf, wd->count);
 274                 wd->count= 0;
 275         }
 276
 277         err= wd->error;
 278         writedata_free(wd);
 279
 280         return err;
 281 }
 282
 283 /* ********** WRITE FILE ****************** */
 284
 285 static void writestruct(WriteData *wd, int filecode, char *structname, int nr, void *adr)
 286 {
 287         BHead bh;
 288         short *sp;
 289
 290         if(adr==0 || nr==0) return;
 291
 292         /* init BHead */
 293         bh.code= filecode;
 294         bh.old= adr;
 295         bh.nr= nr;
 296
 297         bh.SDNAnr= dna_findstruct_nr(wd->sdna, structname);
 298         if(bh.SDNAnr== -1) {
 299                 printf("error: can't find SDNA code %s\n", structname);
 300                 return;
 301         }
 302         sp= wd->sdna->structs[bh.SDNAnr];
 303
 304         bh.len= nr*wd->sdna->typelens[sp[0]];
 305
 306         if(bh.len==0) return;
 307
 308         mywrite(wd, &bh, sizeof(BHead));
 309         mywrite(wd, adr, bh.len);
 310 }
 311
 312 static void writedata(WriteData *wd, int filecode, int len, void *adr)  /* do not use for structs */
 313 {
 314         BHead bh;
 315
 316         if(adr==0) return;
 317         if(len==0) return;
 318
 319         len+= 3;
 320         len-= ( len % 4);
 321
 322         /* init BHead */
 323         bh.code= filecode;
 324         bh.old= adr;
 325         bh.nr= 1;
 326         bh.SDNAnr= 0;
 327         bh.len= len;
 328
 329         mywrite(wd, &bh, sizeof(BHead));
 330         if(len) mywrite(wd, adr, len);
 331 }
 332
 333 static void write_scriptlink(WriteData *wd, ScriptLink *slink)
 334 {
 335         writedata(wd, DATA, sizeof(void *)*slink->totscript, slink->scripts);
 336         writedata(wd, DATA, sizeof(short)*slink->totscript, slink->flag);
 337 }
 338
 339 static void write_renderinfo(WriteData *wd)             /* for renderdaemon */
 340 {
 341         Scene *sce;
 342         int data[8];
 343
 344         sce= G.main->scene.first;
 345         while(sce) {
 346                 if(sce->id.lib==0  && ( sce==G.scene || (sce->r.scemode & R_BG_RENDER)) ) {
 347                         data[0]= sce->r.sfra;
 348                         data[1]= sce->r.efra;
 349
 350                         strncpy((char *)(data+2), sce->id.name+2, 23);
 351
 352                         writedata(wd, REND, 32, data);
 353                 }
 354                 sce= sce->id.next;
 355         }
 356 }
 357
 358 static void write_userdef(WriteData *wd)
 359 {
 360         bTheme *btheme;
 361
 362         writestruct(wd, USER, "UserDef", 1, &U);
 363
 364         btheme= U.themes.first;
 365         while(btheme) {
 366                 writestruct(wd, DATA, "bTheme", 1, btheme);
 367                 btheme= btheme->next;
 368         }
 369 }
 370
 371 static void write_effects(WriteData *wd, ListBase *lb)
 372 {
 373         Effect *eff;
 374
 375         eff= lb->first;
 376         while(eff) {
 377
 378                 switch(eff->type) {
 379                 case EFF_BUILD:
 380                         writestruct(wd, DATA, "BuildEff", 1, eff);
 381                         break;
 382                 case EFF_PARTICLE:
 383                         writestruct(wd, DATA, "PartEff", 1, eff);
 384                         break;
 385                 case EFF_WAVE:
 386                         writestruct(wd, DATA, "WaveEff", 1, eff);
 387                         break;
 388                 default:
 389                         writedata(wd, DATA, MEM_allocN_len(eff), eff);
 390                 }
 391
 392                 eff= eff->next;
 393         }
 394 }
 395
 396 static void write_properties(WriteData *wd, ListBase *lb)
 397 {
 398         bProperty *prop;
 399
 400         prop= lb->first;
 401         while(prop) {
 402                 writestruct(wd, DATA, "bProperty", 1, prop);
 403
 404                 if(prop->poin && prop->poin != &prop->data)
 405                         writedata(wd, DATA, MEM_allocN_len(prop->poin), prop->poin);
 406
 407                 prop= prop->next;
 408         }
 409 }
 410
 411 static void write_sensors(WriteData *wd, ListBase *lb)
 412 {
 413         bSensor *sens;
 414
 415         sens= lb->first;
 416         while(sens) {
 417                 writestruct(wd, DATA, "bSensor", 1, sens);
 418
 419                 writedata(wd, DATA, sizeof(void *)*sens->totlinks, sens->links);
 420
 421                 switch(sens->type) {
 422                 case SENS_NEAR:
 423                         writestruct(wd, DATA, "bNearSensor", 1, sens->data);
 424                         break;
 425                 case SENS_MOUSE:
 426                         writestruct(wd, DATA, "bMouseSensor", 1, sens->data);
 427                         break;
 428                 case SENS_TOUCH:
 429                         writestruct(wd, DATA, "bTouchSensor", 1, sens->data);
 430                         break;
 431                 case SENS_KEYBOARD:
 432                         writestruct(wd, DATA, "bKeyboardSensor", 1, sens->data);
 433                         break;
 434                 case SENS_PROPERTY:
 435                         writestruct(wd, DATA, "bPropertySensor", 1, sens->data);
 436                         break;
 437                 case SENS_COLLISION:
 438                         writestruct(wd, DATA, "bCollisionSensor", 1, sens->data);
 439                         break;
 440                 case SENS_RADAR:
 441                         writestruct(wd, DATA, "bRadarSensor", 1, sens->data);
 442                         break;
 443                 case SENS_RANDOM:
 444                         writestruct(wd, DATA, "bRandomSensor", 1, sens->data);
 445                         break;
 446                 case SENS_RAY:
 447                         writestruct(wd, DATA, "bRaySensor", 1, sens->data);
 448                         break;
 449                 case SENS_MESSAGE:
 450                         writestruct(wd, DATA, "bMessageSensor", 1, sens->data);
 451                         break;
 452                 default:
 453                         ; /* error: don't know how to write this file */
 454                 }
 455
 456                 sens= sens->next;
 457         }
 458 }
 459
 460 static void write_controllers(WriteData *wd, ListBase *lb)
 461 {
 462         bController *cont;
 463
 464         cont= lb->first;
 465         while(cont) {
 466                 writestruct(wd, DATA, "bController", 1, cont);
 467
 468                 writedata(wd, DATA, sizeof(void *)*cont->totlinks, cont->links);
 469
 470                 switch(cont->type) {
 471                 case CONT_EXPRESSION:
 472                         writestruct(wd, DATA, "bExpressionCont", 1, cont->data);
 473                         break;
 474                 case CONT_PYTHON:
 475                         writestruct(wd, DATA, "bPythonCont", 1, cont->data);
 476                         break;
 477                 default:
 478                         ; /* error: don't know how to write this file */
 479                 }
 480
 481                 cont= cont->next;
 482         }
 483 }
 484
 485 static void write_actuators(WriteData *wd, ListBase *lb)
 486 {
 487         bActuator *act;
 488
 489         act= lb->first;
 490         while(act) {
 491                 writestruct(wd, DATA, "bActuator", 1, act);
 492
 493                 switch(act->type) {
 494                 case ACT_ACTION:
 495                         writestruct(wd, DATA, "bActionActuator", 1, act->data);
 496                         break;
 497                 case ACT_SOUND:
 498                         writestruct(wd, DATA, "bSoundActuator", 1, act->data);
 499                         break;
 500                 case ACT_CD:
 501                         writestruct(wd, DATA, "bCDActuator", 1, act->data);
 502                         break;
 503                 case ACT_OBJECT:
 504                         writestruct(wd, DATA, "bObjectActuator", 1, act->data);
 505                         break;
 506                 case ACT_IPO:
 507                         writestruct(wd, DATA, "bIpoActuator", 1, act->data);
 508                         break;
 509                 case ACT_PROPERTY:
 510                         writestruct(wd, DATA, "bPropertyActuator", 1, act->data);
 511                         break;
 512                 case ACT_CAMERA:
 513                         writestruct(wd, DATA, "bCameraActuator", 1, act->data);
 514                         break;
 515                 case ACT_CONSTRAINT:
 516                         writestruct(wd, DATA, "bConstraintActuator", 1, act->data);
 517                         break;
 518                 case ACT_EDIT_OBJECT:
 519                         writestruct(wd, DATA, "bEditObjectActuator", 1, act->data);
 520                         break;
 521                 case ACT_SCENE:
 522                         writestruct(wd, DATA, "bSceneActuator", 1, act->data);
 523                         break;
 524                 case ACT_GROUP:
 525                         writestruct(wd, DATA, "bGroupActuator", 1, act->data);
 526                         break;
 527                 case ACT_RANDOM:
 528                         writestruct(wd, DATA, "bRandomActuator", 1, act->data);
 529                         break;
 530                 case ACT_MESSAGE:
 531                         writestruct(wd, DATA, "bMessageActuator", 1, act->data);
 532                         break;
 533                 case ACT_GAME:
 534                         writestruct(wd, DATA, "bGameActuator", 1, act->data);
 535                         break;
 536                 case ACT_VISIBILITY:
 537                         writestruct(wd, DATA, "bVisibilityActuator", 1, act->data);
 538                         break;
 539                 default:
 540                         ; /* error: don't know how to write this file */
 541                 }
 542
 543                 act= act->next;
 544         }
 545 }
 546
 547 static void write_nlastrips(WriteData *wd, ListBase *nlabase)
 548 {
 549         bActionStrip *strip;
 550
 551         for (strip=nlabase->first; strip; strip=strip->next)
 552                 writestruct(wd, DATA, "bActionStrip", 1, strip);
 553 }
 554
 555 static void write_constraints(WriteData *wd, ListBase *conlist)
 556 {
 557         bConstraint *con;
 558
 559         for (con=conlist->first; con; con=con->next) {
 560                 /* Write the specific data */
 561                 switch (con->type) {
 562                 case CONSTRAINT_TYPE_NULL:
 563                         break;
 564                 case CONSTRAINT_TYPE_TRACKTO:
 565                         writestruct(wd, DATA, "bTrackToConstraint", 1, con->data);
 566                         break;
 567                 case CONSTRAINT_TYPE_KINEMATIC:
 568                         writestruct(wd, DATA, "bKinematicConstraint", 1, con->data);
 569                         break;
 570                 case CONSTRAINT_TYPE_ROTLIKE:
 571                         writestruct(wd, DATA, "bRotateLikeConstraint", 1, con->data);
 572                         break;
 573                 case CONSTRAINT_TYPE_LOCLIKE:
 574                         writestruct(wd, DATA, "bLocateLikeConstraint", 1, con->data);
 575                         break;
 576                 case CONSTRAINT_TYPE_ACTION:
 577                         writestruct(wd, DATA, "bActionConstraint", 1, con->data);
 578                         break;
 579                 case CONSTRAINT_TYPE_LOCKTRACK:
 580                         writestruct(wd, DATA, "bLockTrackConstraint", 1, con->data);
 581                         break;
 582                 case CONSTRAINT_TYPE_FOLLOWPATH:
 583                         writestruct(wd, DATA, "bFollowPathConstraint", 1, con->data);
 584                         break;
 585                 default:
 586                         break;
 587                 }
 588                 /* Write the constraint */
 589                 writestruct(wd, DATA, "bConstraint", 1, con);
 590         }
 591 }
 592
 593 static void write_pose(WriteData *wd, bPose *pose)
 594 {
 595         bPoseChannel    *chan;
 596
 597         /* Write each channel */
 598
 599         if (!pose)
 600                 return;
 601
 602         // Write channels
 603         for (chan=pose->chanbase.first; chan; chan=chan->next) {
 604                 write_constraints(wd, &chan->constraints);
 605                 writestruct(wd, DATA, "bPoseChannel", 1, chan);
 606         }
 607
 608         // Write this pose
 609         writestruct(wd, DATA, "bPose", 1, pose);
 610 }
 611
 612 static void write_defgroups(WriteData *wd, ListBase *defbase)
 613 {
 614         bDeformGroup    *defgroup;
 615
 616         for (defgroup=defbase->first; defgroup; defgroup=defgroup->next)
 617                 writestruct(wd, DATA, "bDeformGroup", 1, defgroup);
 618 }
 619
 620 static void write_constraint_channels(WriteData *wd, ListBase *chanbase)
 621 {
 622         bConstraintChannel *chan;
 623
 624         for (chan = chanbase->first; chan; chan=chan->next)
 625                 writestruct(wd, DATA, "bConstraintChannel", 1, chan);
 626
 627 }
 628
 629 static void write_objects(WriteData *wd, ListBase *idbase)
 630 {
 631         Object *ob;
 632
 633         ob= idbase->first;
 634         while(ob) {
 635                 if(ob->id.us>0) {
 636                         /* write LibData */
 637                         writestruct(wd, ID_OB, "Object", 1, ob);
 638
 639                         /* direct data */
 640                         writedata(wd, DATA, sizeof(void *)*ob->totcol, ob->mat);
 641                         write_effects(wd, &ob->effect);
 642                         write_properties(wd, &ob->prop);
 643                         write_sensors(wd, &ob->sensors);
 644                         write_controllers(wd, &ob->controllers);
 645                         write_actuators(wd, &ob->actuators);
 646                         write_scriptlink(wd, &ob->scriptlink);
 647                         write_pose(wd, ob->pose);
 648                         write_defgroups(wd, &ob->defbase);
 649                         write_constraints(wd, &ob->constraints);
 650                         write_constraint_channels(wd, &ob->constraintChannels);
 651                         write_nlastrips(wd, &ob->nlastrips);
 652
 653                         writestruct(wd, DATA, "PartDeflect", 1, ob->pd);
 654                 }
 655                 ob= ob->id.next;
 656         }
 657 }
 658
 659
 660 static void write_vfonts(WriteData *wd, ListBase *idbase)
 661 {
 662         VFont *vf;
 663         PackedFile * pf;
 664
 665         vf= idbase->first;
 666         while(vf) {
 667                 if(vf->id.us>0) {
 668                         /* write LibData */
 669                         writestruct(wd, ID_VF, "VFont", 1, vf);
 670
 671                         /* direct data */
 672
 673                         if (vf->packedfile) {
 674                                 pf = vf->packedfile;
 675                                 writestruct(wd, DATA, "PackedFile", 1, pf);
 676                                 writedata(wd, DATA, pf->size, pf->data);
 677                         }
 678                 }
 679
 680                 vf= vf->id.next;
 681         }
 682 }
 683
 684 static void write_ipos(WriteData *wd, ListBase *idbase)
 685 {
 686         Ipo *ipo;
 687         IpoCurve *icu;
 688
 689         ipo= idbase->first;
 690         while(ipo) {
 691                 if(ipo->id.us>0) {
 692                         /* write LibData */
 693                         writestruct(wd, ID_IP, "Ipo", 1, ipo);
 694
 695                         /* direct data */
 696                         icu= ipo->curve.first;
 697                         while(icu) {
 698                                 writestruct(wd, DATA, "IpoCurve", 1, icu);
 699                                 icu= icu->next;
 700                         }
 701
 702                         icu= ipo->curve.first;
 703                         while(icu) {
 704                                 if(icu->bezt)  writestruct(wd, DATA, "BezTriple", icu->totvert, icu->bezt);
 705                                 if(icu->bp)  writestruct(wd, DATA, "BPoint", icu->totvert, icu->bp);
 706                                 icu= icu->next;
 707                         }
 708                 }
 709
 710                 ipo= ipo->id.next;
 711         }
 712 }
 713
 714 static void write_keys(WriteData *wd, ListBase *idbase)
 715 {
 716         Key *key;
 717         KeyBlock *kb;
 718
 719         key= idbase->first;
 720         while(key) {
 721                 if(key->id.us>0) {
 722                         /* write LibData */
 723                         writestruct(wd, ID_KE, "Key", 1, key);
 724
 725                         /* direct data */
 726                         kb= key->block.first;
 727                         while(kb) {
 728                                 writestruct(wd, DATA, "KeyBlock", 1, kb);
 729                                 if(kb->data) writedata(wd, DATA, kb->totelem*key->elemsize, kb->data);
 730                                 kb= kb->next;
 731                         }
 732                 }
 733
 734                 key= key->id.next;
 735         }
 736 }
 737
 738 static void write_cameras(WriteData *wd, ListBase *idbase)
 739 {
 740         Camera *cam;
 741
 742         cam= idbase->first;
 743         while(cam) {
 744                 if(cam->id.us>0) {
 745                         /* write LibData */
 746                         writestruct(wd, ID_CA, "Camera", 1, cam);
 747
 748                         /* direct data */
 749                         write_scriptlink(wd, &cam->scriptlink);
 750                 }
 751
 752                 cam= cam->id.next;
 753         }
 754 }
 755
 756 static void write_mballs(WriteData *wd, ListBase *idbase)
 757 {
 758         MetaBall *mb;
 759         MetaElem *ml;
 760
 761         mb= idbase->first;
 762         while(mb) {
 763                 if(mb->id.us>0) {
 764                         /* write LibData */
 765                         writestruct(wd, ID_MB, "MetaBall", 1, mb);
 766
 767                         /* direct data */
 768                         writedata(wd, DATA, sizeof(void *)*mb->totcol, mb->mat);
 769
 770                         ml= mb->elems.first;
 771                         while(ml) {
 772                                 writestruct(wd, DATA, "MetaElem", 1, ml);
 773                                 ml= ml->next;
 774                         }
 775                 }
 776                 mb= mb->id.next;
 777         }
 778 }
 779
 780 static void write_curves(WriteData *wd, ListBase *idbase)
 781 {
 782         Curve *cu;
 783         Nurb *nu;
 784
 785         cu= idbase->first;
 786         while(cu) {
 787                 if(cu->id.us>0) {
 788                         /* write LibData */
 789                         writestruct(wd, ID_CU, "Curve", 1, cu);
 790
 791                         /* direct data */
 792                         writedata(wd, DATA, sizeof(void *)*cu->totcol, cu->mat);
 793
 794                         if(cu->vfont) {
 795                                 writedata(wd, DATA, cu->len+1, cu->str);
 796                         }
 797                         else {
 798                                 /* is also the order of reading */
 799                                 nu= cu->nurb.first;
 800                                 while(nu) {
 801                                         writestruct(wd, DATA, "Nurb", 1, nu);
 802                                         nu= nu->next;
 803                                 }
 804                                 nu= cu->nurb.first;
 805                                 while(nu) {
 806                                         if( (nu->type & 7)==CU_BEZIER)
 807                                                 writestruct(wd, DATA, "BezTriple", nu->pntsu, nu->bezt);
 808                                         else {
 809                                                 writestruct(wd, DATA, "BPoint", nu->pntsu*nu->pntsv, nu->bp);
 810                                                 if(nu->knotsu) writedata(wd, DATA, KNOTSU(nu)*sizeof(float), nu->knotsu);
 811                                                 if(nu->knotsv) writedata(wd, DATA, KNOTSV(nu)*sizeof(float), nu->knotsv);
 812                                         }
 813                                         nu= nu->next;
 814                                 }
 815                         }
 816                 }
 817                 cu= cu->id.next;
 818         }
 819 }
 820
 821 static void write_dverts(WriteData *wd, int count, MDeformVert *dvlist)
 822 {
 823         int     i;
 824
 825         /* Write the dvert list */
 826         writestruct(wd, DATA, "MDeformVert", count, dvlist);
 827
 828         /* Write deformation data for each dvert */
 829         if (dvlist) {
 830                 for (i=0; i<count; i++) {
 831                         if (dvlist[i].dw)
 832                                 writestruct(wd, DATA, "MDeformWeight", dvlist[i].totweight, dvlist[i].dw);
 833                 }
 834         }
 835 }
 836
 837 static void write_meshs(WriteData *wd, ListBase *idbase)
 838 {
 839         Mesh *mesh;
 840
 841         mesh= idbase->first;
 842         while(mesh) {
 843                 if(mesh->id.us>0) {
 844                         /* write LibData */
 845                         writestruct(wd, ID_ME, "Mesh", 1, mesh);
 846
 847                         /* direct data */
 848                         writedata(wd, DATA, sizeof(void *)*mesh->totcol, mesh->mat);
 849                         writestruct(wd, DATA, "MVert", mesh->totvert, mesh->mvert);
 850                         write_dverts(wd, mesh->totvert, mesh->dvert);
 851                         writestruct(wd, DATA, "MFace", mesh->totface, mesh->mface);
 852                         writestruct(wd, DATA, "TFace", mesh->totface, mesh->tface);
 853                         writestruct(wd, DATA, "MCol", 4*mesh->totface, mesh->mcol);
 854                         writestruct(wd, DATA, "MSticky", mesh->totvert, mesh->msticky);
 855
 856                 }
 857                 mesh= mesh->id.next;
 858         }
 859 }
 860
 861 static void write_images(WriteData *wd, ListBase *idbase)
 862 {
 863         Image *ima;
 864         PackedFile * pf;
 865
 866         ima= idbase->first;
 867         while(ima) {
 868                 if(ima->id.us>0) {
 869                         /* write LibData */
 870                         writestruct(wd, ID_IM, "Image", 1, ima);
 871
 872                         if (ima->packedfile) {
 873                                 pf = ima->packedfile;
 874                                 writestruct(wd, DATA, "PackedFile", 1, pf);
 875                                 writedata(wd, DATA, pf->size, pf->data);
 876                         }
 877                 }
 878                 ima= ima->id.next;
 879         }
 880 }
 881
 882 static void write_textures(WriteData *wd, ListBase *idbase)
 883 {
 884         Tex *tex;
 885
 886         tex= idbase->first;
 887         while(tex) {
 888                 if(tex->id.us>0) {
 889                         /* write LibData */
 890                         writestruct(wd, ID_TE, "Tex", 1, tex);
 891
 892                         /* direct data */
 893                         if(tex->plugin) writestruct(wd, DATA, "PluginTex", 1, tex->plugin);
 894                         if(tex->coba) writestruct(wd, DATA, "ColorBand", 1, tex->coba);
 895                         if(tex->env) writestruct(wd, DATA, "EnvMap", 1, tex->env);
 896                 }
 897                 tex= tex->id.next;
 898         }
 899 }
 900
 901 static void write_materials(WriteData *wd, ListBase *idbase)
 902 {
 903         Material *ma;
 904         int a;
 905
 906         ma= idbase->first;
 907         while(ma) {
 908                 if(ma->id.us>0) {
 909                         /* write LibData */
 910                         writestruct(wd, ID_MA, "Material", 1, ma);
 911
 912                         for(a=0; a<8; a++) {
 913                                 if(ma->mtex[a]) writestruct(wd, DATA, "MTex", 1, ma->mtex[a]);
 914                         }
 915
 916                         write_scriptlink(wd, &ma->scriptlink);
 917                 }
 918                 ma= ma->id.next;
 919         }
 920 }
 921
 922 static void write_worlds(WriteData *wd, ListBase *idbase)
 923 {
 924         World *wrld;
 925         int a;
 926
 927         wrld= idbase->first;
 928         while(wrld) {
 929                 if(wrld->id.us>0) {
 930                         /* write LibData */
 931                         writestruct(wd, ID_WO, "World", 1, wrld);
 932
 933                         for(a=0; a<8; a++) {
 934                                 if(wrld->mtex[a]) writestruct(wd, DATA, "MTex", 1, wrld->mtex[a]);
 935                         }
 936
 937                         write_scriptlink(wd, &wrld->scriptlink);
 938                 }
 939                 wrld= wrld->id.next;
 940         }
 941 }
 942
 943 static void write_lamps(WriteData *wd, ListBase *idbase)
 944 {
 945         Lamp *la;
 946         int a;
 947
 948         la= idbase->first;
 949         while(la) {
 950                 if(la->id.us>0) {
 951                         /* write LibData */
 952                         writestruct(wd, ID_LA, "Lamp", 1, la);
 953
 954                         /* direct data */
 955                         for(a=0; a<8; a++) {
 956                                 if(la->mtex[a]) writestruct(wd, DATA, "MTex", 1, la->mtex[a]);
 957                         }
 958
 959                         write_scriptlink(wd, &la->scriptlink);
 960                 }
 961                 la= la->id.next;
 962         }
 963 }
 964
 965 static void write_lattices(WriteData *wd, ListBase *idbase)
 966 {
 967         Lattice *lt;
 968
 969         lt= idbase->first;
 970         while(lt) {
 971                 if(lt->id.us>0) {
 972                         /* write LibData */
 973                         writestruct(wd, ID_LT, "Lattice", 1, lt);
 974
 975                         /* direct data */
 976                         writestruct(wd, DATA, "BPoint", lt->pntsu*lt->pntsv*lt->pntsw, lt->def);
 977                 }
 978                 lt= lt->id.next;
 979         }
 980 }
 981
 982 static void write_ikas(WriteData *wd, ListBase *idbase)
 983 {
 984         Ika *ika;
 985         Limb *li;
 986
 987         ika= idbase->first;
 988         while(ika) {
 989                 if(ika->id.us>0) {
 990                         /* write LibData */
 991                         writestruct(wd, ID_IK, "Ika", 1, ika);
 992
 993                         /* direct data */
 994                         li= ika->limbbase.first;
 995                         while(li) {
 996                                 writestruct(wd, DATA, "Limb", 1, li);
 997                                 li= li->next;
 998                         }
 999
1000                         writestruct(wd, DATA, "Deform", ika->totdef, ika->def);
1001                 }
1002                 ika= ika->id.next;
1003         }
1004 }
1005
1006 static void write_scenes(WriteData *wd, ListBase *scebase)
1007 {
1008         Scene *sce;
1009         Base *base;
1010         Editing *ed;
1011         Sequence *seq;
1012         Strip *strip;
1013
1014         sce= scebase->first;
1015         while(sce) {
1016                 /* write LibData */
1017                 writestruct(wd, ID_SCE, "Scene", 1, sce);
1018
1019                 /* direct data */
1020                 base= sce->base.first;
1021                 while(base) {
1022                         writestruct(wd, DATA, "Base", 1, base);
1023                         base= base->next;
1024                 }
1025
1026                 writestruct(wd, DATA, "Radio", 1, sce->radio);
1027                 writestruct(wd, DATA, "FreeCamera", 1, sce->fcam);
1028
1029                 ed= sce->ed;
1030                 if(ed) {
1031                         writestruct(wd, DATA, "Editing", 1, ed);
1032
1033                         /* reset write flags too */
1034                         WHILE_SEQ(&ed->seqbase) {
1035                                 if(seq->strip) seq->strip->done= 0;
1036                                 writestruct(wd, DATA, "Sequence", 1, seq);
1037                         }
1038                         END_SEQ
1039
1040                         WHILE_SEQ(&ed->seqbase) {
1041                                 if(seq->strip && seq->strip->done==0) {
1042                                         /* write strip with 'done' at 0 because readfile */
1043
1044                                         if(seq->plugin) writestruct(wd, DATA, "PluginSeq", 1, seq->plugin);
1045                                         if(seq->effectdata) {
1046                                                 switch(seq->type){
1047                                                         case SEQ_SWEEP:
1048                                                                 writestruct(wd, DATA, "SweepVars", 1, seq->effectdata);
1049                                                                 break;
1050                                                         case SEQ_GLOW:
1051                                                                 writestruct(wd, DATA, "GlowVars", 1, seq->effectdata);
1052                                                                 break;
1053                                                 }
1054                                         }
1055
1056                                         strip= seq->strip;
1057                                         writestruct(wd, DATA, "Strip", 1, strip);
1058
1059                                         if(seq->type==SEQ_IMAGE)
1060                                                 writestruct(wd, DATA, "StripElem", strip->len, strip->stripdata);
1061                                         else if(seq->type==SEQ_MOVIE || seq->type==SEQ_SOUND)
1062                                                 writestruct(wd, DATA, "StripElem", 1, strip->stripdata);
1063
1064                                         strip->done= 1;
1065                                 }
1066                         }
1067                         END_SEQ
1068                 }
1069
1070                 write_scriptlink(wd, &sce->scriptlink);
1071
1072                 if (sce->r.avicodecdata) {
1073                         writestruct(wd, DATA, "AviCodecData", 1, sce->r.avicodecdata);
1074                         if (sce->r.avicodecdata->lpFormat) writedata(wd, DATA, sce->r.avicodecdata->cbFormat, sce->r.avicodecdata->lpFormat);
1075                         if (sce->r.avicodecdata->lpParms) writedata(wd, DATA, sce->r.avicodecdata->cbParms, sce->r.avicodecdata->lpParms);
1076                 }
1077
1078                 if (sce->r.qtcodecdata) {
1079                         writestruct(wd, DATA, "QuicktimeCodecData", 1, sce->r.qtcodecdata);
1080                         if (sce->r.qtcodecdata->cdParms) writedata(wd, DATA, sce->r.qtcodecdata->cdSize, sce->r.qtcodecdata->cdParms);
1081                 }
1082
1083                 sce= sce->id.next;
1084         }
1085 }
1086
1087 static void write_screens(WriteData *wd, ListBase *scrbase)
1088 {
1089         bScreen *sc;
1090         ScrArea *sa;
1091         ScrVert *sv;
1092         ScrEdge *se;
1093
1094         sc= scrbase->first;
1095         while(sc) {
1096                 /* write LibData */
1097                 writestruct(wd, ID_SCR, "Screen", 1, sc);
1098
1099                 /* direct data */
1100                 sv= sc->vertbase.first;
1101                 while(sv) {
1102                         writestruct(wd, DATA, "ScrVert", 1, sv);
1103                         sv= sv->next;
1104                 }
1105
1106                 se= sc->edgebase.first;
1107                 while(se) {
1108                         writestruct(wd, DATA, "ScrEdge", 1, se);
1109                         se= se->next;
1110                 }
1111
1112                 sa= sc->areabase.first;
1113                 while(sa) {
1114                         SpaceLink *sl;
1115                         Panel *pa;
1116
1117                         writestruct(wd, DATA, "ScrArea", 1, sa);
1118
1119                         pa= sa->panels.first;
1120                         while(pa) {
1121                                 writestruct(wd, DATA, "Panel", 1, pa);
1122                                 pa= pa->next;
1123                         }
1124
1125                         sl= sa->spacedata.first;
1126                         while(sl) {
1127                                 if(sl->spacetype==SPACE_VIEW3D) {
1128                                         View3D *v3d= (View3D*) sl;
1129                                         writestruct(wd, DATA, "View3D", 1, v3d);
1130                                         if(v3d->bgpic) writestruct(wd, DATA, "BGpic", 1, v3d->bgpic);
1131                                         if(v3d->localvd) writestruct(wd, DATA, "View3D", 1, v3d->localvd);
1132                                 }
1133                                 else if(sl->spacetype==SPACE_IPO) {
1134                                         writestruct(wd, DATA, "SpaceIpo", 1, sl);
1135                                 }
1136                                 else if(sl->spacetype==SPACE_BUTS) {
1137                                         writestruct(wd, DATA, "SpaceButs", 1, sl);
1138                                 }
1139                                 else if(sl->spacetype==SPACE_FILE) {
1140                                         writestruct(wd, DATA, "SpaceFile", 1, sl);
1141                                 }
1142                                 else if(sl->spacetype==SPACE_SEQ) {
1143                                         writestruct(wd, DATA, "SpaceSeq", 1, sl);
1144                                 }
1145                                 else if(sl->spacetype==SPACE_OOPS) {
1146                                         SpaceOops *so= (SpaceOops *)sl;
1147                                         Oops *oops;
1148
1149                                         /* cleanup */
1150                                         oops= so->oops.first;
1151                                         while(oops) {
1152                                                 Oops *oopsn= oops->next;
1153                                                 if(oops->id==0) {
1154                                                         BLI_remlink(&so->oops, oops);
1155                                                         free_oops(oops);
1156                                                 }
1157                                                 oops= oopsn;
1158                                         }
1159
1160                                         /* ater cleanup, because of listbase! */
1161                                         writestruct(wd, DATA, "SpaceOops", 1, so);
1162
1163                                         oops= so->oops.first;
1164                                         while(oops) {
1165                                                 writestruct(wd, DATA, "Oops", 1, oops);
1166                                                 oops= oops->next;
1167                                         }
1168                                 }
1169                                 else if(sl->spacetype==SPACE_IMAGE) {
1170                                         writestruct(wd, DATA, "SpaceImage", 1, sl);
1171                                 }
1172                                 else if(sl->spacetype==SPACE_IMASEL) {
1173                                         writestruct(wd, DATA, "SpaceImaSel", 1, sl);
1174                                 }
1175                                 else if(sl->spacetype==SPACE_TEXT) {
1176                                         writestruct(wd, DATA, "SpaceText", 1, sl);
1177                                 }
1178                                 else if(sl->spacetype==SPACE_SCRIPT) {
1179                                         writestruct(wd, DATA, "SpaceScript", 1, sl);
1180                                 }
1181                                 else if(sl->spacetype==SPACE_ACTION) {
1182                                         writestruct(wd, DATA, "SpaceAction", 1, sl);
1183                                 }
1184                                 else if(sl->spacetype==SPACE_SOUND) {
1185                                         writestruct(wd, DATA, "SpaceSound", 1, sl);
1186                                 }
1187                                 else if(sl->spacetype==SPACE_NLA){
1188                                         writestruct(wd, DATA, "SpaceNla", 1, sl);
1189                                 }
1190                                 sl= sl->next;
1191                         }
1192
1193                         sa= sa->next;
1194                 }
1195
1196                 sc= sc->id.next;
1197         }
1198 }
1199
1200 static void write_libraries(WriteData *wd, Main *main)
1201 {
1202         ListBase *lbarray[30];
1203         ID *id;
1204         int a, tot, foundone;
1205
1206         while(main) {
1207
1208                 a=tot= set_listbasepointers(main, lbarray);
1209
1210                 /* test: is lib being used */
1211                 foundone= 0;
1212                 while(tot--) {
1213                         id= lbarray[tot]->first;
1214                         while(id) {
1215                                 if(id->us>0 && (id->flag & LIB_EXTERN)) {
1216                                         foundone= 1;
1217                                         break;
1218                                 }
1219                                 id= id->next;
1220                         }
1221                         if(foundone) break;
1222                 }
1223
1224                 if(foundone) {
1225                         writestruct(wd, ID_LI, "Library", 1, main->curlib);
1226
1227                         while(a--) {
1228                                 id= lbarray[a]->first;
1229                                 while(id) {
1230                                         if(id->us>0 && (id->flag & LIB_EXTERN)) {
1231
1232                                                 writestruct(wd, ID_ID, "ID", 1, id);
1233                                         }
1234                                         id= id->next;
1235                                 }
1236                         }
1237                 }
1238
1239                 main= main->next;
1240         }
1241 }
1242
1243 static void write_bone(WriteData *wd, Bone* bone)
1244 {
1245         Bone*   cbone;
1246
1247 //      write_constraints(wd, &bone->constraints);
1248
1249         // Write this bone
1250         writestruct(wd, DATA, "Bone", 1, bone);
1251
1252         // Write Children
1253         cbone= bone->childbase.first;
1254         while(cbone) {
1255                 write_bone(wd, cbone);
1256                 cbone= cbone->next;
1257         }
1258 }
1259
1260 static void write_armatures(WriteData *wd, ListBase *idbase)
1261 {
1262         bArmature       *arm;
1263         Bone            *bone;
1264
1265         arm=idbase->first;
1266         while (arm) {
1267                 if (arm->id.us>0) {
1268                         writestruct(wd, ID_AR, "bArmature", 1, arm);
1269
1270                         /* Direct data */
1271                         bone= arm->bonebase.first;
1272                         while(bone) {
1273                                 write_bone(wd, bone);
1274                                 bone=bone->next;
1275                         }
1276                 }
1277                 arm=arm->id.next;
1278         }
1279 }
1280
1281 static void write_actions(WriteData *wd, ListBase *idbase)
1282 {
1283         bAction                 *act;
1284         bActionChannel  *chan;
1285         act=idbase->first;
1286         while (act) {
1287                 if (act->id.us>0) {
1288                         writestruct(wd, ID_AC, "bAction", 1, act);
1289
1290                         for (chan=act->chanbase.first; chan; chan=chan->next) {
1291                                 writestruct(wd, DATA, "bActionChannel", 1, chan);
1292                                 write_constraint_channels(wd, &chan->constraintChannels);
1293                         }
1294                 }
1295                 act=act->id.next;
1296         }
1297 }
1298
1299 static void write_texts(WriteData *wd, ListBase *idbase)
1300 {
1301         Text *text;
1302         TextLine *tmp;
1303
1304         text= idbase->first;
1305         while(text) {
1306                 if ( (text->flags & TXT_ISMEM) && (text->flags & TXT_ISEXT)) text->flags &= ~TXT_ISEXT;
1307
1308                 /* write LibData */
1309                 writestruct(wd, ID_TXT, "Text", 1, text);
1310                 if(text->name) writedata(wd, DATA, strlen(text->name)+1, text->name);
1311
1312                 if(!(text->flags & TXT_ISEXT)) {
1313                         /* now write the text data, in two steps for optimization in the readfunction */
1314                         tmp= text->lines.first;
1315                         while (tmp) {
1316                                 writestruct(wd, DATA, "TextLine", 1, tmp);
1317                                 tmp= tmp->next;
1318                         }
1319
1320                         tmp= text->lines.first;
1321                         while (tmp) {
1322                                 writedata(wd, DATA, tmp->len+1, tmp->line);
1323                                 tmp= tmp->next;
1324                         }
1325                 }
1326                 text= text->id.next;
1327         }
1328 }
1329
1330 static void write_sounds(WriteData *wd, ListBase *idbase)
1331 {
1332         bSound *sound;
1333         bSample *sample;
1334
1335         PackedFile * pf;
1336
1337         // set all samples to unsaved status
1338
1339         sample = samples->first;
1340         while (sample) {
1341                 sample->flags |= SAMPLE_NEEDS_SAVE;
1342                 sample = sample->id.next;
1343         }
1344
1345         sound= idbase->first;
1346         while(sound) {
1347                 if(sound->id.us>0) {
1348                         // do we need to save the packedfile as well ?
1349                         sample = sound->sample;
1350                         if (sample) {
1351                                 if (sample->flags & SAMPLE_NEEDS_SAVE) {
1352                                         sound->newpackedfile = sample->packedfile;
1353                                         sample->flags &= ~SAMPLE_NEEDS_SAVE;
1354                                 } else {
1355                                         sound->newpackedfile = NULL;
1356                                 }
1357                         }
1358
1359                         /* write LibData */
1360                         writestruct(wd, ID_SO, "bSound", 1, sound);
1361
1362                         if (sound->newpackedfile) {
1363                                 pf = sound->newpackedfile;
1364                                 writestruct(wd, DATA, "PackedFile", 1, pf);
1365                                 writedata(wd, DATA, pf->size, pf->data);
1366                         }
1367
1368                         if (sample) {
1369                                 sound->newpackedfile = sample->packedfile;
1370                         }
1371                 }
1372                 sound= sound->id.next;
1373         }
1374 }
1375
1376 static void write_groups(WriteData *wd, ListBase *idbase)
1377 {
1378         Group *group;
1379         GroupKey *gk;
1380         GroupObject *go;
1381         ObjectKey *ok;
1382
1383         group= idbase->first;
1384         while(group) {
1385                 if(group->id.us>0) {
1386                         /* write LibData */
1387                         writestruct(wd, ID_GR, "Group", 1, group);
1388
1389                         gk= group->gkey.first;
1390                         while(gk) {
1391                                 writestruct(wd, DATA, "GroupKey", 1, gk);
1392                                 gk= gk->next;
1393                         }
1394
1395                         go= group->gobject.first;
1396                         while(go) {
1397                                 writestruct(wd, DATA, "GroupObject", 1, go);
1398                                 go= go->next;
1399                         }
1400                         go= group->gobject.first;
1401                         while(go) {
1402                                 ok= go->okey.first;
1403                                 while(ok) {
1404                                         writestruct(wd, DATA, "ObjectKey", 1, ok);
1405                                         ok= ok->next;
1406                                 }
1407                                 go= go->next;
1408                         }
1409
1410                 }
1411                 group= group->id.next;
1412         }
1413 }
1414
1415 static void write_global(WriteData *wd)
1416 {
1417         FileGlobal fg;
1418
1419         fg.curscreen= G.curscreen;
1420         fg.displaymode= R.displaymode;
1421         fg.winpos= R.winpos;
1422         fg.fileflags= G.fileflags;
1423         fg.globalf= G.f;
1424
1425         writestruct(wd, GLOB, "FileGlobal", 1, &fg);
1426 }
1427
1428 static int write_file_handle(int handle, int write_user_block, int write_flags)
1429 {
1430         ListBase mainlist;
1431         char buf[13];
1432         WriteData *wd;
1433         int data;
1434
1435         mainlist.first= mainlist.last= G.main;
1436         G.main->next= NULL;
1437
1438         blo_split_main(&mainlist);
1439
1440         wd= bgnwrite(handle, write_flags);
1441
1442         sprintf(buf, "BLENDER%c%c%.3d", (sizeof(void*)==8)?'-':'_', (G.order==B_ENDIAN)?'V':'v', G.version);
1443         mywrite(wd, buf, 12);
1444
1445         write_renderinfo(wd);
1446
1447         write_screens  (wd, &G.main->screen);
1448         write_scenes   (wd, &G.main->scene);
1449         write_objects  (wd, &G.main->object);
1450         write_meshs    (wd, &G.main->mesh);
1451         write_curves   (wd, &G.main->curve);
1452         write_mballs   (wd, &G.main->mball);
1453         write_materials(wd, &G.main->mat);
1454         write_textures (wd, &G.main->tex);
1455         write_images   (wd, &G.main->image);
1456         write_cameras  (wd, &G.main->camera);
1457         write_lamps    (wd, &G.main->lamp);
1458         write_lattices (wd, &G.main->latt);
1459         write_ikas     (wd, &G.main->ika);
1460         write_vfonts   (wd, &G.main->vfont);
1461         write_ipos     (wd, &G.main->ipo);
1462         write_keys     (wd, &G.main->key);
1463         write_worlds   (wd, &G.main->world);
1464         write_texts    (wd, &G.main->text);
1465         write_sounds   (wd, &G.main->sound);
1466         write_groups   (wd, &G.main->group);
1467         write_armatures(wd, &G.main->armature);
1468         write_actions  (wd, &G.main->action);
1469         write_libraries(wd,  G.main->next);
1470
1471         write_global(wd);
1472         if (write_user_block) {
1473                 write_userdef(wd);
1474         }
1475
1476         /* dna as last, because (to be implemented) test for which structs are written */
1477         writedata(wd, DNA1, wd->sdna->datalen, wd->sdna->data);
1478
1479         data= ENDB;
1480         mywrite(wd, &data, 4);
1481
1482         data= 0;
1483         mywrite(wd, &data, 4);
1484
1485         blo_join_main(&mainlist);
1486         G.main= mainlist.first;
1487
1488         return endwrite(wd);
1489 }
1490
1491 int BLO_write_file(char *dir, int write_flags, char **error_r)
1492 {
1493         char userfilename[FILE_MAXDIR+FILE_MAXFILE];
1494         char tempname[FILE_MAXDIR+FILE_MAXFILE];
1495         int file, fout, write_user_block;
1496 #ifdef WIN32
1497         char tmpdir[FILE_MAXDIR+FILE_MAXFILE];
1498 #endif
1499
1500         sprintf(tempname, "%s@", dir);
1501
1502         file = open(tempname,O_BINARY+O_WRONLY+O_CREAT+O_TRUNC, 0666);
1503         if(file == -1) {
1504                 *error_r= "Unable to open";
1505                 return 0;
1506         }
1507
1508         BLI_make_file_string(G.sce, userfilename, BLI_gethome(), ".B.blend");
1509
1510         write_user_block= BLI_streq(dir, userfilename);
1511
1512         fout= write_file_handle(file, write_user_block, write_flags);
1513         close(file);
1514
1515         if(!fout) {
1516                 if(BLI_rename(tempname, dir) < 0) {
1517                         *error_r= "Can't change old file. File saved with @";
1518                         return 0;
1519                 }
1520         } else {
1521                 remove(tempname);
1522
1523                 *error_r= "Not enough diskspace";
1524                 return 0;
1525         }
1526
1527         return 1;
1528 }
1529
1530         /* Runtime writing */
1531
1532 #ifdef WIN32
1533 #define PATHSEPERATOR           "\\"
1534 #else
1535 #define PATHSEPERATOR           "/"
1536 #endif
1537
1538 static char *get_install_dir(void) {
1539         extern char bprogname[];
1540         char *tmpname = BLI_strdup(bprogname);
1541         char *cut;
1542
1543 #ifdef __APPLE__
1544         cut = strstr(tmpname, ".app");
1545         if (cut) cut[0] = 0;
1546 #endif
1547
1548         cut = BLI_last_slash(tmpname);
1549
1550         if (cut) {
1551                 cut[0] = 0;
1552                 return tmpname;
1553         } else {
1554                 MEM_freeN(tmpname);
1555                 return NULL;
1556         }
1557 }
1558
1559 static char *get_runtime_path(char *exename) {
1560         char *installpath= get_install_dir();
1561
1562         if (!installpath) {
1563                 return NULL;
1564         } else {
1565                 char *path= MEM_mallocN(strlen(installpath)+strlen(PATHSEPERATOR)+strlen(exename)+1, "runtimepath");
1566                 strcpy(path, installpath);
1567                 strcat(path, PATHSEPERATOR);
1568                 strcat(path, exename);
1569
1570                 MEM_freeN(installpath);
1571
1572                 return path;
1573         }
1574 }
1575
1576 #ifdef __APPLE__
1577
1578 static int recursive_copy_runtime(char *outname, char *exename, char **cause_r) {
1579         char *cause = NULL, *runtime = get_runtime_path(exename);
1580         char command[2 * (FILE_MAXDIR+FILE_MAXFILE) + 32];
1581         int progfd = -1;
1582
1583         if (!runtime) {
1584                 cause= "Unable to find runtime";
1585                 goto cleanup;
1586         }
1587
1588         progfd= open(runtime, O_BINARY|O_RDONLY, 0);
1589         if (progfd==-1) {
1590                 cause= "Unable to find runtime";
1591                 goto cleanup;
1592         }
1593
1594         sprintf(command, "/bin/cp -R %s %s", runtime, outname);
1595         if (system(command) == -1) {
1596                 cause = "Couldn't copy runtime";
1597         }
1598
1599 cleanup:
1600         if (progfd!=-1)
1601                 close(progfd);
1602         if (runtime)
1603                 MEM_freeN(runtime);
1604
1605         if (cause) {
1606                 *cause_r= cause;
1607                 return 0;
1608         } else
1609                 return 1;
1610 }
1611
1612 void BLO_write_runtime(char *file, char *exename) {
1613         char gamename[FILE_MAXDIR+FILE_MAXFILE];
1614         int outfd = -1;
1615         char *cause= NULL;
1616
1617         // remove existing file / bundle
1618         BLI_delete(file, NULL, TRUE);
1619
1620         if (!recursive_copy_runtime(file, exename, &cause))
1621                 goto cleanup;
1622
1623         strcpy(gamename, file);
1624         strcat(gamename, "/Contents/Resources/game.blend");
1625
1626         outfd= open(gamename, O_BINARY|O_WRONLY|O_CREAT|O_TRUNC, 0777);
1627         if (outfd != -1) {
1628
1629                 write_file_handle(outfd, 0, G.fileflags);
1630
1631                 if (write(outfd, " ", 1) != 1) {
1632                         cause= "Unable to write to output file";
1633                         goto cleanup;
1634                 }
1635         } else {
1636                 cause = "Unable to open blenderfile";
1637         }
1638
1639 cleanup:
1640         if (outfd!=-1)
1641                 close(outfd);
1642
1643         if (cause)
1644                 error("Unable to make runtime: %s", cause);
1645 }
1646
1647 #else /* !__APPLE__ */
1648
1649 static int handle_append_runtime(int handle, char *exename, char **cause_r) {
1650         char *cause= NULL, *runtime= get_runtime_path(exename);
1651         unsigned char buf[1024];
1652         int count, progfd= -1;
1653
1654         if (!runtime) {
1655                 cause= "Unable to find runtime";
1656                 goto cleanup;
1657         }
1658
1659         progfd= open(runtime, O_BINARY|O_RDONLY, 0);
1660         if (progfd==-1) {
1661                 cause= "Unable to find runtime";
1662                 goto cleanup;
1663         }
1664
1665         while ((count= read(progfd, buf, sizeof(buf)))>0) {
1666                 if (write(handle, buf, count)!=count) {
1667                         cause= "Unable to write to output file";
1668                         goto cleanup;
1669                 }
1670         }
1671
1672 cleanup:
1673         if (progfd!=-1)
1674                 close(progfd);
1675         if (runtime)
1676                 MEM_freeN(runtime);
1677
1678         if (cause) {
1679                 *cause_r= cause;
1680                 return 0;
1681         } else
1682                 return 1;
1683 }
1684
1685 static int handle_write_msb_int(int handle, int i) {
1686         unsigned char buf[4];
1687         buf[0]= (i>>24)&0xFF;
1688         buf[1]= (i>>16)&0xFF;
1689         buf[2]= (i>>8)&0xFF;
1690         buf[3]= (i>>0)&0xFF;
1691
1692         return (write(handle, buf, 4)==4);
1693 }
1694
1695 void BLO_write_runtime(char *file, char *exename) {
1696         int outfd= open(file, O_BINARY|O_WRONLY|O_CREAT|O_TRUNC, 0777);
1697         char *cause= NULL;
1698         int datastart;
1699
1700         if (!outfd) {
1701                 cause= "Unable to open output file";
1702                 goto cleanup;
1703         }
1704         if (!handle_append_runtime(outfd, exename, &cause))
1705                 goto cleanup;
1706
1707         datastart= lseek(outfd, 0, SEEK_CUR);
1708
1709         write_file_handle(outfd, 0, G.fileflags);
1710
1711         if (!handle_write_msb_int(outfd, datastart) || (write(outfd, "BRUNTIME", 8)!=8)) {
1712                 cause= "Unable to write to output file";
1713                 goto cleanup;
1714         }
1715
1716 cleanup:
1717         if (outfd!=-1)
1718                 close(outfd);
1719
1720         if (cause)
1721                 error("Unable to make runtime: %s", cause);
1722 }
1723
1724 #endif /* !__APPLE__ */