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_bad_level_calls.h" // build_seqar (from WHILE_SEQ) free_oops error
 148 #include "BKE_curve.h"
 149 #include "BKE_constraint.h"
 150 #include "BKE_global.h" // for G
 151 #include "BKE_library.h" // for  set_listbasepointers
 152 #include "BKE_main.h" // G.main
 153 #include "BKE_packedFile.h" // for packAll
 154 #include "BKE_screen.h" // for waitcursor
 155 #include "BKE_scene.h" // for do_seq
 156 #include "BKE_sound.h" /* ... and for samples */
 157 #include "BKE_utildefines.h" // for defines
 158
 159 #include "GEN_messaging.h"
 160
 161 #include "BLO_writefile.h"
 162 #include "BLO_readfile.h"
 163 #include "BLO_undofile.h"
 164
 165 #include "readfile.h"
 166 #include "genfile.h"
 167
 168
 169 /* ********* my write, buffered writing with minimum 50k chunks ************ */
 170
 171 typedef struct {
 172         struct SDNA *sdna;
 173
 174         int file;
 175         unsigned char *buf;
 176         MemFile *compare, *current;
 177
 178         int tot, count, error, memsize;
 179 } WriteData;
 180
 181 static WriteData *writedata_new(int file)
 182 {
 183         extern char DNAstr[];   /* DNA.c */
 184         extern int DNAlen;
 185
 186         WriteData *wd= MEM_callocN(sizeof(*wd), "writedata");
 187
 188                 /* XXX, see note about this in readfile.c, remove
 189                  * once we have an xp lock - zr
 190                  */
 191         wd->sdna= dna_sdna_from_data(DNAstr, DNAlen, 0);
 192
 193         wd->file= file;
 194
 195         wd->buf= MEM_mallocN(100000, "wd->buf");
 196
 197         return wd;
 198 }
 199
 200 static void writedata_do_write(WriteData *wd, void *mem, int memlen)
 201 {
 202         if (wd->error) return;
 203
 204         /* memory based save */
 205         if(wd->current) {
 206                 add_memfilechunk(NULL, wd->current, mem, memlen);
 207         }
 208         else {
 209                 if (write(wd->file, mem, memlen) != memlen)
 210                         wd->error= 1;
 211
 212         }
 213 }
 214
 215 static void writedata_free(WriteData *wd)
 216 {
 217         dna_freestructDNA(wd->sdna);
 218
 219         MEM_freeN(wd->buf);
 220         MEM_freeN(wd);
 221 }
 222
 223 /***/
 224
 225 int mywfile;
 226
 227 /**
 228  * Low level WRITE(2) wrapper that buffers data
 229  * @param adr Pointer to new chunk of data
 230  * @param len Length of new chunk of data
 231  * @warning Talks to other functions with global parameters
 232  */
 233
 234 #define MYWRITE_FLUSH   NULL
 235
 236 static void mywrite( WriteData *wd, void *adr, int len)
 237 {
 238         if (wd->error) return;
 239
 240         if(adr==MYWRITE_FLUSH) {
 241                 if(wd->count) {
 242                         writedata_do_write(wd, wd->buf, wd->count);
 243                         wd->count= 0;
 244                 }
 245                 return;
 246         }
 247
 248         wd->tot+= len;
 249
 250         if(len>50000) {
 251                 if(wd->count) {
 252                         writedata_do_write(wd, wd->buf, wd->count);
 253                         wd->count= 0;
 254                 }
 255                 writedata_do_write(wd, adr, len);
 256                 return;
 257         }
 258         if(len+wd->count>99999) {
 259                 writedata_do_write(wd, wd->buf, wd->count);
 260                 wd->count= 0;
 261         }
 262         memcpy(&wd->buf[wd->count], adr, len);
 263         wd->count+= len;
 264
 265 }
 266
 267 /**
 268  * BeGiN initializer for mywrite
 269  * @param file File descriptor
 270  * @param write_flags Write parameters
 271  * @warning Talks to other functions with global parameters
 272  */
 273 static WriteData *bgnwrite(int file, MemFile *compare, MemFile *current, int write_flags)
 274 {
 275         WriteData *wd= writedata_new(file);
 276
 277         wd->compare= compare;
 278         wd->current= current;
 279         /* this inits comparing */
 280         add_memfilechunk(compare, NULL, NULL, 0);
 281
 282         return wd;
 283 }
 284
 285 /**
 286  * END the mywrite wrapper
 287  * @return 1 if write failed
 288  * @return unknown global variable otherwise
 289  * @warning Talks to other functions with global parameters
 290  */
 291 static int endwrite(WriteData *wd)
 292 {
 293         int err;
 294
 295         if (wd->count) {
 296                 writedata_do_write(wd, wd->buf, wd->count);
 297                 wd->count= 0;
 298         }
 299
 300         err= wd->error;
 301         writedata_free(wd);
 302 /* blender gods may live forever but this parent pointer died in the statement above
 303 if(wd->current) printf("undo size %d\n", wd->current->size);
 304 */
 305         return err;
 306 }
 307
 308 /* ********** WRITE FILE ****************** */
 309
 310 static void writestruct(WriteData *wd, int filecode, char *structname, int nr, void *adr)
 311 {
 312         BHead bh;
 313         short *sp;
 314
 315         if(adr==0 || nr==0) return;
 316
 317         /* init BHead */
 318         bh.code= filecode;
 319         bh.old= adr;
 320         bh.nr= nr;
 321
 322         bh.SDNAnr= dna_findstruct_nr(wd->sdna, structname);
 323         if(bh.SDNAnr== -1) {
 324                 printf("error: can't find SDNA code %s\n", structname);
 325                 return;
 326         }
 327         sp= wd->sdna->structs[bh.SDNAnr];
 328
 329         bh.len= nr*wd->sdna->typelens[sp[0]];
 330
 331         if(bh.len==0) return;
 332
 333         mywrite(wd, &bh, sizeof(BHead));
 334         mywrite(wd, adr, bh.len);
 335 }
 336
 337 static void writedata(WriteData *wd, int filecode, int len, void *adr)  /* do not use for structs */
 338 {
 339         BHead bh;
 340
 341         if(adr==0) return;
 342         if(len==0) return;
 343
 344         len+= 3;
 345         len-= ( len % 4);
 346
 347         /* init BHead */
 348         bh.code= filecode;
 349         bh.old= adr;
 350         bh.nr= 1;
 351         bh.SDNAnr= 0;
 352         bh.len= len;
 353
 354         mywrite(wd, &bh, sizeof(BHead));
 355         if(len) mywrite(wd, adr, len);
 356 }
 357
 358 static void write_scriptlink(WriteData *wd, ScriptLink *slink)
 359 {
 360         writedata(wd, DATA, sizeof(void *)*slink->totscript, slink->scripts);
 361         writedata(wd, DATA, sizeof(short)*slink->totscript, slink->flag);
 362 }
 363
 364 static void write_renderinfo(WriteData *wd)             /* for renderdaemon */
 365 {
 366         Scene *sce;
 367         int data[8];
 368
 369         sce= G.main->scene.first;
 370         while(sce) {
 371                 if(sce->id.lib==0  && ( sce==G.scene || (sce->r.scemode & R_BG_RENDER)) ) {
 372                         data[0]= sce->r.sfra;
 373                         data[1]= sce->r.efra;
 374
 375                         strncpy((char *)(data+2), sce->id.name+2, 23);
 376
 377                         writedata(wd, REND, 32, data);
 378                 }
 379                 sce= sce->id.next;
 380         }
 381 }
 382
 383 static void write_userdef(WriteData *wd)
 384 {
 385         bTheme *btheme;
 386
 387         writestruct(wd, USER, "UserDef", 1, &U);
 388
 389         btheme= U.themes.first;
 390         while(btheme) {
 391                 writestruct(wd, DATA, "bTheme", 1, btheme);
 392                 btheme= btheme->next;
 393         }
 394 }
 395
 396 static void write_effects(WriteData *wd, ListBase *lb)
 397 {
 398         Effect *eff;
 399
 400         eff= lb->first;
 401         while(eff) {
 402
 403                 switch(eff->type) {
 404                 case EFF_BUILD:
 405                         writestruct(wd, DATA, "BuildEff", 1, eff);
 406                         break;
 407                 case EFF_PARTICLE:
 408                         writestruct(wd, DATA, "PartEff", 1, eff);
 409                         break;
 410                 case EFF_WAVE:
 411                         writestruct(wd, DATA, "WaveEff", 1, eff);
 412                         break;
 413                 default:
 414                         writedata(wd, DATA, MEM_allocN_len(eff), eff);
 415                 }
 416
 417                 eff= eff->next;
 418         }
 419 }
 420
 421 static void write_properties(WriteData *wd, ListBase *lb)
 422 {
 423         bProperty *prop;
 424
 425         prop= lb->first;
 426         while(prop) {
 427                 writestruct(wd, DATA, "bProperty", 1, prop);
 428
 429                 if(prop->poin && prop->poin != &prop->data)
 430                         writedata(wd, DATA, MEM_allocN_len(prop->poin), prop->poin);
 431
 432                 prop= prop->next;
 433         }
 434 }
 435
 436 static void write_sensors(WriteData *wd, ListBase *lb)
 437 {
 438         bSensor *sens;
 439
 440         sens= lb->first;
 441         while(sens) {
 442                 writestruct(wd, DATA, "bSensor", 1, sens);
 443
 444                 writedata(wd, DATA, sizeof(void *)*sens->totlinks, sens->links);
 445
 446                 switch(sens->type) {
 447                 case SENS_NEAR:
 448                         writestruct(wd, DATA, "bNearSensor", 1, sens->data);
 449                         break;
 450                 case SENS_MOUSE:
 451                         writestruct(wd, DATA, "bMouseSensor", 1, sens->data);
 452                         break;
 453                 case SENS_TOUCH:
 454                         writestruct(wd, DATA, "bTouchSensor", 1, sens->data);
 455                         break;
 456                 case SENS_KEYBOARD:
 457                         writestruct(wd, DATA, "bKeyboardSensor", 1, sens->data);
 458                         break;
 459                 case SENS_PROPERTY:
 460                         writestruct(wd, DATA, "bPropertySensor", 1, sens->data);
 461                         break;
 462                 case SENS_COLLISION:
 463                         writestruct(wd, DATA, "bCollisionSensor", 1, sens->data);
 464                         break;
 465                 case SENS_RADAR:
 466                         writestruct(wd, DATA, "bRadarSensor", 1, sens->data);
 467                         break;
 468                 case SENS_RANDOM:
 469                         writestruct(wd, DATA, "bRandomSensor", 1, sens->data);
 470                         break;
 471                 case SENS_RAY:
 472                         writestruct(wd, DATA, "bRaySensor", 1, sens->data);
 473                         break;
 474                 case SENS_MESSAGE:
 475                         writestruct(wd, DATA, "bMessageSensor", 1, sens->data);
 476                         break;
 477                 case SENS_JOYSTICK:
 478                         writestruct(wd, DATA, "bJoystickSensor", 1, sens->data);
 479                         break;
 480                 default:
 481                         ; /* error: don't know how to write this file */
 482                 }
 483
 484                 sens= sens->next;
 485         }
 486 }
 487
 488 static void write_controllers(WriteData *wd, ListBase *lb)
 489 {
 490         bController *cont;
 491
 492         cont= lb->first;
 493         while(cont) {
 494                 writestruct(wd, DATA, "bController", 1, cont);
 495
 496                 writedata(wd, DATA, sizeof(void *)*cont->totlinks, cont->links);
 497
 498                 switch(cont->type) {
 499                 case CONT_EXPRESSION:
 500                         writestruct(wd, DATA, "bExpressionCont", 1, cont->data);
 501                         break;
 502                 case CONT_PYTHON:
 503                         writestruct(wd, DATA, "bPythonCont", 1, cont->data);
 504                         break;
 505                 default:
 506                         ; /* error: don't know how to write this file */
 507                 }
 508
 509                 cont= cont->next;
 510         }
 511 }
 512
 513 static void write_actuators(WriteData *wd, ListBase *lb)
 514 {
 515         bActuator *act;
 516
 517         act= lb->first;
 518         while(act) {
 519                 writestruct(wd, DATA, "bActuator", 1, act);
 520
 521                 switch(act->type) {
 522                 case ACT_ACTION:
 523                         writestruct(wd, DATA, "bActionActuator", 1, act->data);
 524                         break;
 525                 case ACT_SOUND:
 526                         writestruct(wd, DATA, "bSoundActuator", 1, act->data);
 527                         break;
 528                 case ACT_CD:
 529                         writestruct(wd, DATA, "bCDActuator", 1, act->data);
 530                         break;
 531                 case ACT_OBJECT:
 532                         writestruct(wd, DATA, "bObjectActuator", 1, act->data);
 533                         break;
 534                 case ACT_IPO:
 535                         writestruct(wd, DATA, "bIpoActuator", 1, act->data);
 536                         break;
 537                 case ACT_PROPERTY:
 538                         writestruct(wd, DATA, "bPropertyActuator", 1, act->data);
 539                         break;
 540                 case ACT_CAMERA:
 541                         writestruct(wd, DATA, "bCameraActuator", 1, act->data);
 542                         break;
 543                 case ACT_CONSTRAINT:
 544                         writestruct(wd, DATA, "bConstraintActuator", 1, act->data);
 545                         break;
 546                 case ACT_EDIT_OBJECT:
 547                         writestruct(wd, DATA, "bEditObjectActuator", 1, act->data);
 548                         break;
 549                 case ACT_SCENE:
 550                         writestruct(wd, DATA, "bSceneActuator", 1, act->data);
 551                         break;
 552                 case ACT_GROUP:
 553                         writestruct(wd, DATA, "bGroupActuator", 1, act->data);
 554                         break;
 555                 case ACT_RANDOM:
 556                         writestruct(wd, DATA, "bRandomActuator", 1, act->data);
 557                         break;
 558                 case ACT_MESSAGE:
 559                         writestruct(wd, DATA, "bMessageActuator", 1, act->data);
 560                         break;
 561                 case ACT_GAME:
 562                         writestruct(wd, DATA, "bGameActuator", 1, act->data);
 563                         break;
 564                 case ACT_VISIBILITY:
 565                         writestruct(wd, DATA, "bVisibilityActuator", 1, act->data);
 566                         break;
 567                 default:
 568                         ; /* error: don't know how to write this file */
 569                 }
 570
 571                 act= act->next;
 572         }
 573 }
 574
 575 static void write_nlastrips(WriteData *wd, ListBase *nlabase)
 576 {
 577         bActionStrip *strip;
 578
 579         for (strip=nlabase->first; strip; strip=strip->next)
 580                 writestruct(wd, DATA, "bActionStrip", 1, strip);
 581 }
 582
 583 static void write_constraints(WriteData *wd, ListBase *conlist)
 584 {
 585         bConstraint *con;
 586
 587         for (con=conlist->first; con; con=con->next) {
 588                 /* Write the specific data */
 589                 switch (con->type) {
 590                 case CONSTRAINT_TYPE_NULL:
 591                         break;
 592                 case CONSTRAINT_TYPE_TRACKTO:
 593                         writestruct(wd, DATA, "bTrackToConstraint", 1, con->data);
 594                         break;
 595                 case CONSTRAINT_TYPE_KINEMATIC:
 596                         writestruct(wd, DATA, "bKinematicConstraint", 1, con->data);
 597                         break;
 598                 case CONSTRAINT_TYPE_ROTLIKE:
 599                         writestruct(wd, DATA, "bRotateLikeConstraint", 1, con->data);
 600                         break;
 601                 case CONSTRAINT_TYPE_LOCLIKE:
 602                         writestruct(wd, DATA, "bLocateLikeConstraint", 1, con->data);
 603                         break;
 604                 case CONSTRAINT_TYPE_ACTION:
 605                         writestruct(wd, DATA, "bActionConstraint", 1, con->data);
 606                         break;
 607                 case CONSTRAINT_TYPE_LOCKTRACK:
 608                         writestruct(wd, DATA, "bLockTrackConstraint", 1, con->data);
 609                         break;
 610                 case CONSTRAINT_TYPE_FOLLOWPATH:
 611                         writestruct(wd, DATA, "bFollowPathConstraint", 1, con->data);
 612                         break;
 613                 case CONSTRAINT_TYPE_STRETCHTO:
 614                         writestruct(wd, DATA, "bStretchToConstraint", 1, con->data);
 615                         break;
 616                 default:
 617                         break;
 618                 }
 619                 /* Write the constraint */
 620                 writestruct(wd, DATA, "bConstraint", 1, con);
 621         }
 622 }
 623
 624 static void write_pose(WriteData *wd, bPose *pose)
 625 {
 626         bPoseChannel    *chan;
 627
 628         /* Write each channel */
 629
 630         if (!pose)
 631                 return;
 632
 633         // Write channels
 634         for (chan=pose->chanbase.first; chan; chan=chan->next) {
 635                 write_constraints(wd, &chan->constraints);
 636                 writestruct(wd, DATA, "bPoseChannel", 1, chan);
 637         }
 638
 639         // Write this pose
 640         writestruct(wd, DATA, "bPose", 1, pose);
 641 }
 642
 643 static void write_defgroups(WriteData *wd, ListBase *defbase)
 644 {
 645         bDeformGroup    *defgroup;
 646
 647         for (defgroup=defbase->first; defgroup; defgroup=defgroup->next)
 648                 writestruct(wd, DATA, "bDeformGroup", 1, defgroup);
 649 }
 650
 651 static void write_constraint_channels(WriteData *wd, ListBase *chanbase)
 652 {
 653         bConstraintChannel *chan;
 654
 655         for (chan = chanbase->first; chan; chan=chan->next)
 656                 writestruct(wd, DATA, "bConstraintChannel", 1, chan);
 657
 658 }
 659
 660 static void write_objects(WriteData *wd, ListBase *idbase)
 661 {
 662         Object *ob;
 663         ObHook *hook;
 664
 665         ob= idbase->first;
 666         while(ob) {
 667                 if(ob->id.us>0 || wd->current) {
 668                         /* write LibData */
 669                         writestruct(wd, ID_OB, "Object", 1, ob);
 670
 671                         /* direct data */
 672                         writedata(wd, DATA, sizeof(void *)*ob->totcol, ob->mat);
 673                         write_effects(wd, &ob->effect);
 674                         write_properties(wd, &ob->prop);
 675                         write_sensors(wd, &ob->sensors);
 676                         write_controllers(wd, &ob->controllers);
 677                         write_actuators(wd, &ob->actuators);
 678                         write_scriptlink(wd, &ob->scriptlink);
 679                         write_pose(wd, ob->pose);
 680                         write_defgroups(wd, &ob->defbase);
 681                         write_constraints(wd, &ob->constraints);
 682                         write_constraint_channels(wd, &ob->constraintChannels);
 683                         write_nlastrips(wd, &ob->nlastrips);
 684
 685                         writestruct(wd, DATA, "PartDeflect", 1, ob->pd);
 686
 687                         for(hook= ob->hooks.first; hook; hook= hook->next) {
 688                                 writestruct(wd, DATA, "ObHook", 1, hook);
 689                                 writedata(wd, DATA, sizeof(int)*hook->totindex, hook->indexar);
 690                         }
 691                 }
 692                 ob= ob->id.next;
 693         }
 694
 695         /* flush helps the compression for undo-save */
 696         mywrite(wd, MYWRITE_FLUSH, 0);
 697 }
 698
 699
 700 static void write_vfonts(WriteData *wd, ListBase *idbase)
 701 {
 702         VFont *vf;
 703         PackedFile * pf;
 704
 705         vf= idbase->first;
 706         while(vf) {
 707                 if(vf->id.us>0 || wd->current) {
 708                         /* write LibData */
 709                         writestruct(wd, ID_VF, "VFont", 1, vf);
 710
 711                         /* direct data */
 712
 713                         if (vf->packedfile) {
 714                                 pf = vf->packedfile;
 715                                 writestruct(wd, DATA, "PackedFile", 1, pf);
 716                                 writedata(wd, DATA, pf->size, pf->data);
 717                         }
 718                 }
 719
 720                 vf= vf->id.next;
 721         }
 722 }
 723
 724 static void write_ipos(WriteData *wd, ListBase *idbase)
 725 {
 726         Ipo *ipo;
 727         IpoCurve *icu;
 728
 729         ipo= idbase->first;
 730         while(ipo) {
 731                 if(ipo->id.us>0 || wd->current) {
 732                         /* write LibData */
 733                         writestruct(wd, ID_IP, "Ipo", 1, ipo);
 734
 735                         /* direct data */
 736                         icu= ipo->curve.first;
 737                         while(icu) {
 738                                 writestruct(wd, DATA, "IpoCurve", 1, icu);
 739                                 icu= icu->next;
 740                         }
 741
 742                         icu= ipo->curve.first;
 743                         while(icu) {
 744                                 if(icu->bezt)  writestruct(wd, DATA, "BezTriple", icu->totvert, icu->bezt);
 745                                 if(icu->bp)  writestruct(wd, DATA, "BPoint", icu->totvert, icu->bp);
 746                                 icu= icu->next;
 747                         }
 748                 }
 749
 750                 ipo= ipo->id.next;
 751         }
 752
 753         /* flush helps the compression for undo-save */
 754         mywrite(wd, MYWRITE_FLUSH, 0);
 755 }
 756
 757 static void write_keys(WriteData *wd, ListBase *idbase)
 758 {
 759         Key *key;
 760         KeyBlock *kb;
 761
 762         key= idbase->first;
 763         while(key) {
 764                 if(key->id.us>0 || wd->current) {
 765                         /* write LibData */
 766                         writestruct(wd, ID_KE, "Key", 1, key);
 767
 768                         /* direct data */
 769                         kb= key->block.first;
 770                         while(kb) {
 771                                 writestruct(wd, DATA, "KeyBlock", 1, kb);
 772                                 if(kb->data) writedata(wd, DATA, kb->totelem*key->elemsize, kb->data);
 773                                 kb= kb->next;
 774                         }
 775                 }
 776
 777                 key= key->id.next;
 778         }
 779         /* flush helps the compression for undo-save */
 780         mywrite(wd, MYWRITE_FLUSH, 0);
 781 }
 782
 783 static void write_cameras(WriteData *wd, ListBase *idbase)
 784 {
 785         Camera *cam;
 786
 787         cam= idbase->first;
 788         while(cam) {
 789                 if(cam->id.us>0 || wd->current) {
 790                         /* write LibData */
 791                         writestruct(wd, ID_CA, "Camera", 1, cam);
 792
 793                         /* direct data */
 794                         write_scriptlink(wd, &cam->scriptlink);
 795                 }
 796
 797                 cam= cam->id.next;
 798         }
 799 }
 800
 801 static void write_mballs(WriteData *wd, ListBase *idbase)
 802 {
 803         MetaBall *mb;
 804         MetaElem *ml;
 805
 806         mb= idbase->first;
 807         while(mb) {
 808                 if(mb->id.us>0 || wd->current) {
 809                         /* write LibData */
 810                         writestruct(wd, ID_MB, "MetaBall", 1, mb);
 811
 812                         /* direct data */
 813                         writedata(wd, DATA, sizeof(void *)*mb->totcol, mb->mat);
 814
 815                         ml= mb->elems.first;
 816                         while(ml) {
 817                                 writestruct(wd, DATA, "MetaElem", 1, ml);
 818                                 ml= ml->next;
 819                         }
 820                 }
 821                 mb= mb->id.next;
 822         }
 823 }
 824
 825 static void write_curves(WriteData *wd, ListBase *idbase)
 826 {
 827         Curve *cu;
 828         Nurb *nu;
 829
 830         cu= idbase->first;
 831         while(cu) {
 832                 if(cu->id.us>0 || wd->current) {
 833                         /* write LibData */
 834                         writestruct(wd, ID_CU, "Curve", 1, cu);
 835
 836                         /* direct data */
 837                         writedata(wd, DATA, sizeof(void *)*cu->totcol, cu->mat);
 838
 839                         if(cu->vfont) {
 840                                 writedata(wd, DATA, cu->len+1, cu->str);
 841                         }
 842                         else {
 843                                 /* is also the order of reading */
 844                                 nu= cu->nurb.first;
 845                                 while(nu) {
 846                                         writestruct(wd, DATA, "Nurb", 1, nu);
 847                                         nu= nu->next;
 848                                 }
 849                                 nu= cu->nurb.first;
 850                                 while(nu) {
 851                                         if( (nu->type & 7)==CU_BEZIER)
 852                                                 writestruct(wd, DATA, "BezTriple", nu->pntsu, nu->bezt);
 853                                         else {
 854                                                 writestruct(wd, DATA, "BPoint", nu->pntsu*nu->pntsv, nu->bp);
 855                                                 if(nu->knotsu) writedata(wd, DATA, KNOTSU(nu)*sizeof(float), nu->knotsu);
 856                                                 if(nu->knotsv) writedata(wd, DATA, KNOTSV(nu)*sizeof(float), nu->knotsv);
 857                                         }
 858                                         nu= nu->next;
 859                                 }
 860                         }
 861                 }
 862                 cu= cu->id.next;
 863         }
 864
 865         /* flush helps the compression for undo-save */
 866         mywrite(wd, MYWRITE_FLUSH, 0);
 867 }
 868
 869 static void write_dverts(WriteData *wd, int count, MDeformVert *dvlist)
 870 {
 871         int     i;
 872
 873         /* Write the dvert list */
 874         writestruct(wd, DATA, "MDeformVert", count, dvlist);
 875
 876         /* Write deformation data for each dvert */
 877         if (dvlist) {
 878                 for (i=0; i<count; i++) {
 879                         if (dvlist[i].dw)
 880                                 writestruct(wd, DATA, "MDeformWeight", dvlist[i].totweight, dvlist[i].dw);
 881                 }
 882         }
 883 }
 884
 885 static void write_meshs(WriteData *wd, ListBase *idbase)
 886 {
 887         Mesh *mesh;
 888
 889         mesh= idbase->first;
 890         while(mesh) {
 891                 if(mesh->id.us>0 || wd->current) {
 892                         /* write LibData */
 893                         writestruct(wd, ID_ME, "Mesh", 1, mesh);
 894
 895                         /* direct data */
 896                         writedata(wd, DATA, sizeof(void *)*mesh->totcol, mesh->mat);
 897
 898                         writestruct(wd, DATA, "MVert", mesh->totvert, mesh->mvert);
 899                         writestruct(wd, DATA, "MEdge", mesh->totedge, mesh->medge);
 900                         writestruct(wd, DATA, "MFace", mesh->totface, mesh->mface);
 901                         writestruct(wd, DATA, "TFace", mesh->totface, mesh->tface);
 902                         writestruct(wd, DATA, "MCol", 4*mesh->totface, mesh->mcol);
 903                         writestruct(wd, DATA, "MSticky", mesh->totvert, mesh->msticky);
 904
 905                         write_dverts(wd, mesh->totvert, mesh->dvert);
 906
 907                 }
 908                 mesh= mesh->id.next;
 909         }
 910 }
 911
 912 static void write_images(WriteData *wd, ListBase *idbase)
 913 {
 914         Image *ima;
 915         PackedFile * pf;
 916
 917         ima= idbase->first;
 918         while(ima) {
 919                 if(ima->id.us>0 || wd->current) {
 920                         /* write LibData */
 921                         writestruct(wd, ID_IM, "Image", 1, ima);
 922
 923                         if (ima->packedfile) {
 924                                 pf = ima->packedfile;
 925                                 writestruct(wd, DATA, "PackedFile", 1, pf);
 926                                 writedata(wd, DATA, pf->size, pf->data);
 927                         }
 928                 }
 929                 ima= ima->id.next;
 930         }
 931         /* flush helps the compression for undo-save */
 932         mywrite(wd, MYWRITE_FLUSH, 0);
 933 }
 934
 935 static void write_textures(WriteData *wd, ListBase *idbase)
 936 {
 937         Tex *tex;
 938
 939         tex= idbase->first;
 940         while(tex) {
 941                 if(tex->id.us>0 || wd->current) {
 942                         /* write LibData */
 943                         writestruct(wd, ID_TE, "Tex", 1, tex);
 944
 945                         /* direct data */
 946                         if(tex->plugin) writestruct(wd, DATA, "PluginTex", 1, tex->plugin);
 947                         if(tex->coba) writestruct(wd, DATA, "ColorBand", 1, tex->coba);
 948                         if(tex->env) writestruct(wd, DATA, "EnvMap", 1, tex->env);
 949                 }
 950                 tex= tex->id.next;
 951         }
 952
 953         /* flush helps the compression for undo-save */
 954         mywrite(wd, MYWRITE_FLUSH, 0);
 955 }
 956
 957 static void write_materials(WriteData *wd, ListBase *idbase)
 958 {
 959         Material *ma;
 960         int a;
 961
 962         ma= idbase->first;
 963         while(ma) {
 964                 if(ma->id.us>0 || wd->current) {
 965                         /* write LibData */
 966                         writestruct(wd, ID_MA, "Material", 1, ma);
 967
 968                         for(a=0; a<MAX_MTEX; a++) {
 969                                 if(ma->mtex[a]) writestruct(wd, DATA, "MTex", 1, ma->mtex[a]);
 970                         }
 971
 972                         if(ma->ramp_col) writestruct(wd, DATA, "ColorBand", 1, ma->ramp_col);
 973                         if(ma->ramp_spec) writestruct(wd, DATA, "ColorBand", 1, ma->ramp_spec);
 974
 975                         write_scriptlink(wd, &ma->scriptlink);
 976                 }
 977                 ma= ma->id.next;
 978         }
 979 }
 980
 981 static void write_worlds(WriteData *wd, ListBase *idbase)
 982 {
 983         World *wrld;
 984         int a;
 985
 986         wrld= idbase->first;
 987         while(wrld) {
 988                 if(wrld->id.us>0 || wd->current) {
 989                         /* write LibData */
 990                         writestruct(wd, ID_WO, "World", 1, wrld);
 991
 992                         for(a=0; a<MAX_MTEX; a++) {
 993                                 if(wrld->mtex[a]) writestruct(wd, DATA, "MTex", 1, wrld->mtex[a]);
 994                         }
 995
 996                         write_scriptlink(wd, &wrld->scriptlink);
 997                 }
 998                 wrld= wrld->id.next;
 999         }
1000 }
1001
1002 static void write_lamps(WriteData *wd, ListBase *idbase)
1003 {
1004         Lamp *la;
1005         int a;
1006
1007         la= idbase->first;
1008         while(la) {
1009                 if(la->id.us>0 || wd->current) {
1010                         /* write LibData */
1011                         writestruct(wd, ID_LA, "Lamp", 1, la);
1012
1013                         /* direct data */
1014                         for(a=0; a<MAX_MTEX; a++) {
1015                                 if(la->mtex[a]) writestruct(wd, DATA, "MTex", 1, la->mtex[a]);
1016                         }
1017
1018                         write_scriptlink(wd, &la->scriptlink);
1019                 }
1020                 la= la->id.next;
1021         }
1022 }
1023
1024 static void write_lattices(WriteData *wd, ListBase *idbase)
1025 {
1026         Lattice *lt;
1027
1028         lt= idbase->first;
1029         while(lt) {
1030                 if(lt->id.us>0 || wd->current) {
1031                         /* write LibData */
1032                         writestruct(wd, ID_LT, "Lattice", 1, lt);
1033
1034                         /* direct data */
1035                         writestruct(wd, DATA, "BPoint", lt->pntsu*lt->pntsv*lt->pntsw, lt->def);
1036                 }
1037                 lt= lt->id.next;
1038         }
1039 }
1040
1041 static void write_ikas(WriteData *wd, ListBase *idbase)
1042 {
1043         Ika *ika;
1044         Limb *li;
1045
1046         ika= idbase->first;
1047         while(ika) {
1048                 if(ika->id.us>0 || wd->current) {
1049                         /* write LibData */
1050                         writestruct(wd, ID_IK, "Ika", 1, ika);
1051
1052                         /* direct data */
1053                         li= ika->limbbase.first;
1054                         while(li) {
1055                                 writestruct(wd, DATA, "Limb", 1, li);
1056                                 li= li->next;
1057                         }
1058
1059                         writestruct(wd, DATA, "Deform", ika->totdef, ika->def);
1060                 }
1061                 ika= ika->id.next;
1062         }
1063 }
1064
1065 static void write_scenes(WriteData *wd, ListBase *scebase)
1066 {
1067         Scene *sce;
1068         Base *base;
1069         Editing *ed;
1070         Sequence *seq;
1071         MetaStack *ms;
1072         Strip *strip;
1073
1074         sce= scebase->first;
1075         while(sce) {
1076                 /* write LibData */
1077                 writestruct(wd, ID_SCE, "Scene", 1, sce);
1078
1079                 /* direct data */
1080                 base= sce->base.first;
1081                 while(base) {
1082                         writestruct(wd, DATA, "Base", 1, base);
1083                         base= base->next;
1084                 }
1085
1086                 writestruct(wd, DATA, "Radio", 1, sce->radio);
1087
1088                 ed= sce->ed;
1089                 if(ed) {
1090                         writestruct(wd, DATA, "Editing", 1, ed);
1091
1092                         /* reset write flags too */
1093                         WHILE_SEQ(&ed->seqbase) {
1094                                 if(seq->strip) seq->strip->done= 0;
1095                                 writestruct(wd, DATA, "Sequence", 1, seq);
1096                         }
1097                         END_SEQ
1098
1099                         WHILE_SEQ(&ed->seqbase) {
1100                                 if(seq->strip && seq->strip->done==0) {
1101                                         /* write strip with 'done' at 0 because readfile */
1102
1103                                         if(seq->plugin) writestruct(wd, DATA, "PluginSeq", 1, seq->plugin);
1104                                         if(seq->effectdata) {
1105                                                 switch(seq->type){
1106                                                         case SEQ_WIPE:
1107                                                                 writestruct(wd, DATA, "WipeVars", 1, seq->effectdata);
1108                                                                 break;
1109                                                         case SEQ_GLOW:
1110                                                                 writestruct(wd, DATA, "GlowVars", 1, seq->effectdata);
1111                                                                 break;
1112                                                 }
1113                                         }
1114
1115                                         strip= seq->strip;
1116                                         writestruct(wd, DATA, "Strip", 1, strip);
1117
1118                                         if(seq->type==SEQ_IMAGE)
1119                                                 writestruct(wd, DATA, "StripElem", strip->len, strip->stripdata);
1120                                         else if(seq->type==SEQ_MOVIE || seq->type==SEQ_SOUND)
1121                                                 writestruct(wd, DATA, "StripElem", 1, strip->stripdata);
1122
1123                                         strip->done= 1;
1124                                 }
1125                         }
1126                         END_SEQ
1127
1128                         /* new; meta stack too, even when its nasty restore code */
1129                         for(ms= ed->metastack.first; ms; ms= ms->next) {
1130                                 writestruct(wd, DATA, "MetaStack", 1, ms);
1131                         }
1132                 }
1133
1134                 write_scriptlink(wd, &sce->scriptlink);
1135
1136                 if (sce->r.avicodecdata) {
1137                         writestruct(wd, DATA, "AviCodecData", 1, sce->r.avicodecdata);
1138                         if (sce->r.avicodecdata->lpFormat) writedata(wd, DATA, sce->r.avicodecdata->cbFormat, sce->r.avicodecdata->lpFormat);
1139                         if (sce->r.avicodecdata->lpParms) writedata(wd, DATA, sce->r.avicodecdata->cbParms, sce->r.avicodecdata->lpParms);
1140                 }
1141
1142                 if (sce->r.qtcodecdata) {
1143                         writestruct(wd, DATA, "QuicktimeCodecData", 1, sce->r.qtcodecdata);
1144                         if (sce->r.qtcodecdata->cdParms) writedata(wd, DATA, sce->r.qtcodecdata->cdSize, sce->r.qtcodecdata->cdParms);
1145                 }
1146
1147                 sce= sce->id.next;
1148         }
1149         /* flush helps the compression for undo-save */
1150         mywrite(wd, MYWRITE_FLUSH, 0);
1151 }
1152
1153 static void write_screens(WriteData *wd, ListBase *scrbase)
1154 {
1155         bScreen *sc;
1156         ScrArea *sa;
1157         ScrVert *sv;
1158         ScrEdge *se;
1159
1160         sc= scrbase->first;
1161         while(sc) {
1162                 /* write LibData */
1163                 writestruct(wd, ID_SCR, "Screen", 1, sc);
1164
1165                 /* direct data */
1166                 sv= sc->vertbase.first;
1167                 while(sv) {
1168                         writestruct(wd, DATA, "ScrVert", 1, sv);
1169                         sv= sv->next;
1170                 }
1171
1172                 se= sc->edgebase.first;
1173                 while(se) {
1174                         writestruct(wd, DATA, "ScrEdge", 1, se);
1175                         se= se->next;
1176                 }
1177
1178                 sa= sc->areabase.first;
1179                 while(sa) {
1180                         SpaceLink *sl;
1181                         Panel *pa;
1182
1183                         writestruct(wd, DATA, "ScrArea", 1, sa);
1184
1185                         pa= sa->panels.first;
1186                         while(pa) {
1187                                 writestruct(wd, DATA, "Panel", 1, pa);
1188                                 pa= pa->next;
1189                         }
1190
1191                         sl= sa->spacedata.first;
1192                         while(sl) {
1193                                 if(sl->spacetype==SPACE_VIEW3D) {
1194                                         View3D *v3d= (View3D*) sl;
1195                                         writestruct(wd, DATA, "View3D", 1, v3d);
1196                                         if(v3d->bgpic) writestruct(wd, DATA, "BGpic", 1, v3d->bgpic);
1197                                         if(v3d->localvd) writestruct(wd, DATA, "View3D", 1, v3d->localvd);
1198                                 }
1199                                 else if(sl->spacetype==SPACE_IPO) {
1200                                         writestruct(wd, DATA, "SpaceIpo", 1, sl);
1201                                 }
1202                                 else if(sl->spacetype==SPACE_BUTS) {
1203                                         writestruct(wd, DATA, "SpaceButs", 1, sl);
1204                                 }
1205                                 else if(sl->spacetype==SPACE_FILE) {
1206                                         writestruct(wd, DATA, "SpaceFile", 1, sl);
1207                                 }
1208                                 else if(sl->spacetype==SPACE_SEQ) {
1209                                         writestruct(wd, DATA, "SpaceSeq", 1, sl);
1210                                 }
1211                                 else if(sl->spacetype==SPACE_OOPS) {
1212                                         SpaceOops *so= (SpaceOops *)sl;
1213                                         Oops *oops;
1214
1215                                         /* cleanup */
1216                                         oops= so->oops.first;
1217                                         while(oops) {
1218                                                 Oops *oopsn= oops->next;
1219                                                 if(oops->id==0) {
1220                                                         BLI_remlink(&so->oops, oops);
1221                                                         free_oops(oops);
1222                                                 }
1223                                                 oops= oopsn;
1224                                         }
1225
1226                                         /* ater cleanup, because of listbase! */
1227                                         writestruct(wd, DATA, "SpaceOops", 1, so);
1228
1229                                         oops= so->oops.first;
1230                                         while(oops) {
1231                                                 writestruct(wd, DATA, "Oops", 1, oops);
1232                                                 oops= oops->next;
1233                                         }
1234                                         /* outliner */
1235                                         if(so->treestore) {
1236                                                 writestruct(wd, DATA, "TreeStore", 1, so->treestore);
1237                                                 if(so->treestore->data)
1238                                                         writestruct(wd, DATA, "TreeStoreElem", so->treestore->usedelem, so->treestore->data);
1239                                         }
1240                                 }
1241                                 else if(sl->spacetype==SPACE_IMAGE) {
1242                                         writestruct(wd, DATA, "SpaceImage", 1, sl);
1243                                 }
1244                                 else if(sl->spacetype==SPACE_IMASEL) {
1245                                         writestruct(wd, DATA, "SpaceImaSel", 1, sl);
1246                                 }
1247                                 else if(sl->spacetype==SPACE_TEXT) {
1248                                         writestruct(wd, DATA, "SpaceText", 1, sl);
1249                                 }
1250                                 else if(sl->spacetype==SPACE_SCRIPT) {
1251                                         writestruct(wd, DATA, "SpaceScript", 1, sl);
1252                                 }
1253                                 else if(sl->spacetype==SPACE_ACTION) {
1254                                         writestruct(wd, DATA, "SpaceAction", 1, sl);
1255                                 }
1256                                 else if(sl->spacetype==SPACE_SOUND) {
1257                                         writestruct(wd, DATA, "SpaceSound", 1, sl);
1258                                 }
1259                                 else if(sl->spacetype==SPACE_NLA){
1260                                         writestruct(wd, DATA, "SpaceNla", 1, sl);
1261                                 }
1262                                 sl= sl->next;
1263                         }
1264
1265                         sa= sa->next;
1266                 }
1267
1268                 sc= sc->id.next;
1269         }
1270 }
1271
1272 static void write_libraries(WriteData *wd, Main *main)
1273 {
1274         ListBase *lbarray[30];
1275         ID *id;
1276         int a, tot, foundone;
1277
1278         while(main) {
1279
1280                 a=tot= set_listbasepointers(main, lbarray);
1281
1282                 /* test: is lib being used */
1283                 foundone= 0;
1284                 while(tot--) {
1285                         id= lbarray[tot]->first;
1286                         while(id) {
1287                                 if(id->us>0 && (id->flag & LIB_EXTERN)) {
1288                                         foundone= 1;
1289                                         break;
1290                                 }
1291                                 id= id->next;
1292                         }
1293                         if(foundone) break;
1294                 }
1295
1296                 if(foundone) {
1297                         writestruct(wd, ID_LI, "Library", 1, main->curlib);
1298
1299                         while(a--) {
1300                                 id= lbarray[a]->first;
1301                                 while(id) {
1302                                         if(id->us>0 && (id->flag & LIB_EXTERN)) {
1303
1304                                                 writestruct(wd, ID_ID, "ID", 1, id);
1305                                         }
1306                                         id= id->next;
1307                                 }
1308                         }
1309                 }
1310
1311                 main= main->next;
1312         }
1313 }
1314
1315 static void write_bone(WriteData *wd, Bone* bone)
1316 {
1317         Bone*   cbone;
1318
1319 //      write_constraints(wd, &bone->constraints);
1320
1321         // Write this bone
1322         writestruct(wd, DATA, "Bone", 1, bone);
1323
1324         // Write Children
1325         cbone= bone->childbase.first;
1326         while(cbone) {
1327                 write_bone(wd, cbone);
1328                 cbone= cbone->next;
1329         }
1330 }
1331
1332 static void write_armatures(WriteData *wd, ListBase *idbase)
1333 {
1334         bArmature       *arm;
1335         Bone            *bone;
1336
1337         arm=idbase->first;
1338         while (arm) {
1339                 if (arm->id.us>0 || wd->current) {
1340                         writestruct(wd, ID_AR, "bArmature", 1, arm);
1341
1342                         /* Direct data */
1343                         bone= arm->bonebase.first;
1344                         while(bone) {
1345                                 write_bone(wd, bone);
1346                                 bone=bone->next;
1347                         }
1348                 }
1349                 arm=arm->id.next;
1350         }
1351
1352         /* flush helps the compression for undo-save */
1353         mywrite(wd, MYWRITE_FLUSH, 0);
1354 }
1355
1356 static void write_actions(WriteData *wd, ListBase *idbase)
1357 {
1358         bAction                 *act;
1359         bActionChannel  *chan;
1360         act=idbase->first;
1361         while (act) {
1362                 if (act->id.us>0 || wd->current) {
1363                         writestruct(wd, ID_AC, "bAction", 1, act);
1364
1365                         for (chan=act->chanbase.first; chan; chan=chan->next) {
1366                                 writestruct(wd, DATA, "bActionChannel", 1, chan);
1367                                 write_constraint_channels(wd, &chan->constraintChannels);
1368                         }
1369                 }
1370                 act=act->id.next;
1371         }
1372 }
1373
1374 static void write_texts(WriteData *wd, ListBase *idbase)
1375 {
1376         Text *text;
1377         TextLine *tmp;
1378
1379         text= idbase->first;
1380         while(text) {
1381                 if ( (text->flags & TXT_ISMEM) && (text->flags & TXT_ISEXT)) text->flags &= ~TXT_ISEXT;
1382
1383                 /* write LibData */
1384                 writestruct(wd, ID_TXT, "Text", 1, text);
1385                 if(text->name) writedata(wd, DATA, strlen(text->name)+1, text->name);
1386
1387                 if(!(text->flags & TXT_ISEXT)) {
1388                         /* now write the text data, in two steps for optimization in the readfunction */
1389                         tmp= text->lines.first;
1390                         while (tmp) {
1391                                 writestruct(wd, DATA, "TextLine", 1, tmp);
1392                                 tmp= tmp->next;
1393                         }
1394
1395                         tmp= text->lines.first;
1396                         while (tmp) {
1397                                 writedata(wd, DATA, tmp->len+1, tmp->line);
1398                                 tmp= tmp->next;
1399                         }
1400                 }
1401                 text= text->id.next;
1402         }
1403
1404         /* flush helps the compression for undo-save */
1405         mywrite(wd, MYWRITE_FLUSH, 0);
1406 }
1407
1408 static void write_sounds(WriteData *wd, ListBase *idbase)
1409 {
1410         bSound *sound;
1411         bSample *sample;
1412
1413         PackedFile * pf;
1414
1415         // set all samples to unsaved status
1416
1417         sample = samples->first;
1418         while (sample) {
1419                 sample->flags |= SAMPLE_NEEDS_SAVE;
1420                 sample = sample->id.next;
1421         }
1422
1423         sound= idbase->first;
1424         while(sound) {
1425                 if(sound->id.us>0 || wd->current) {
1426                         // do we need to save the packedfile as well ?
1427                         sample = sound->sample;
1428                         if (sample) {
1429                                 if (sample->flags & SAMPLE_NEEDS_SAVE) {
1430                                         sound->newpackedfile = sample->packedfile;
1431                                         sample->flags &= ~SAMPLE_NEEDS_SAVE;
1432                                 } else {
1433                                         sound->newpackedfile = NULL;
1434                                 }
1435                         }
1436
1437                         /* write LibData */
1438                         writestruct(wd, ID_SO, "bSound", 1, sound);
1439
1440                         if (sound->newpackedfile) {
1441                                 pf = sound->newpackedfile;
1442                                 writestruct(wd, DATA, "PackedFile", 1, pf);
1443                                 writedata(wd, DATA, pf->size, pf->data);
1444                         }
1445
1446                         if (sample) {
1447                                 sound->newpackedfile = sample->packedfile;
1448                         }
1449                 }
1450                 sound= sound->id.next;
1451         }
1452
1453         /* flush helps the compression for undo-save */
1454         mywrite(wd, MYWRITE_FLUSH, 0);
1455 }
1456
1457 static void write_groups(WriteData *wd, ListBase *idbase)
1458 {
1459         Group *group;
1460         GroupKey *gk;
1461         GroupObject *go;
1462         ObjectKey *ok;
1463
1464         group= idbase->first;
1465         while(group) {
1466                 if(group->id.us>0 || wd->current) {
1467                         /* write LibData */
1468                         writestruct(wd, ID_GR, "Group", 1, group);
1469
1470                         gk= group->gkey.first;
1471                         while(gk) {
1472                                 writestruct(wd, DATA, "GroupKey", 1, gk);
1473                                 gk= gk->next;
1474                         }
1475
1476                         go= group->gobject.first;
1477                         while(go) {
1478                                 writestruct(wd, DATA, "GroupObject", 1, go);
1479                                 go= go->next;
1480                         }
1481                         go= group->gobject.first;
1482                         while(go) {
1483                                 ok= go->okey.first;
1484                                 while(ok) {
1485                                         writestruct(wd, DATA, "ObjectKey", 1, ok);
1486                                         ok= ok->next;
1487                                 }
1488                                 go= go->next;
1489                         }
1490
1491                 }
1492                 group= group->id.next;
1493         }
1494 }
1495
1496 static void write_global(WriteData *wd)
1497 {
1498         FileGlobal fg;
1499
1500         fg.curscreen= G.curscreen;
1501         fg.curscene= G.scene;
1502         fg.displaymode= G.displaymode;
1503         fg.winpos= G.winpos;
1504         fg.fileflags= (G.fileflags & ~G_FILE_NO_UI);    // prevent to save this, is not good convention, and feature with concerns...
1505         fg.globalf= G.f;
1506
1507         writestruct(wd, GLOB, "FileGlobal", 1, &fg);
1508 }
1509
1510 /* if *mem there's filesave to memory */
1511 static int write_file_handle(int handle, MemFile *compare, MemFile *current, int write_user_block, int write_flags)
1512 {
1513         BHead bhead;
1514         ListBase mainlist;
1515         char buf[13];
1516         WriteData *wd;
1517         int data;
1518
1519         mainlist.first= mainlist.last= G.main;
1520         G.main->next= NULL;
1521
1522         blo_split_main(&mainlist);
1523
1524         wd= bgnwrite(handle, compare, current, write_flags);
1525
1526         sprintf(buf, "BLENDER%c%c%.3d", (sizeof(void*)==8)?'-':'_', (G.order==B_ENDIAN)?'V':'v', G.version);
1527         mywrite(wd, buf, 12);
1528
1529         write_renderinfo(wd);
1530
1531         if(current==NULL)
1532                 write_screens  (wd, &G.main->screen);   // no UI save
1533         write_scenes   (wd, &G.main->scene);
1534         write_curves   (wd, &G.main->curve);
1535         write_mballs   (wd, &G.main->mball);
1536         write_images   (wd, &G.main->image);
1537         write_cameras  (wd, &G.main->camera);
1538         write_lamps    (wd, &G.main->lamp);
1539         write_lattices (wd, &G.main->latt);
1540         write_ikas     (wd, &G.main->ika);
1541         write_vfonts   (wd, &G.main->vfont);
1542         write_ipos     (wd, &G.main->ipo);
1543         write_keys     (wd, &G.main->key);
1544         write_worlds   (wd, &G.main->world);
1545         write_texts    (wd, &G.main->text);
1546         write_sounds   (wd, &G.main->sound);
1547         write_groups   (wd, &G.main->group);
1548         write_armatures(wd, &G.main->armature);
1549         write_actions  (wd, &G.main->action);
1550         write_objects  (wd, &G.main->object);
1551         write_materials(wd, &G.main->mat);
1552         write_textures (wd, &G.main->tex);
1553         write_meshs    (wd, &G.main->mesh);
1554         write_libraries(wd,  G.main->next);
1555
1556         write_global(wd);
1557         if (write_user_block) {
1558                 write_userdef(wd);
1559         }
1560
1561         /* dna as last, because (to be implemented) test for which structs are written */
1562         writedata(wd, DNA1, wd->sdna->datalen, wd->sdna->data);
1563
1564         /* end of file */
1565         memset(&bhead, 0, sizeof(BHead));
1566         bhead.code= ENDB;
1567         mywrite(wd, &bhead, sizeof(BHead));
1568
1569         blo_join_main(&mainlist);
1570         G.main= mainlist.first;
1571
1572         return endwrite(wd);
1573 }
1574
1575 /* return: success (1) */
1576 int BLO_write_file(char *dir, int write_flags, char **error_r)
1577 {
1578         char userfilename[FILE_MAXDIR+FILE_MAXFILE];
1579         char tempname[FILE_MAXDIR+FILE_MAXFILE];
1580         int file, fout, write_user_block;
1581 #ifdef WIN32
1582         char tmpdir[FILE_MAXDIR+FILE_MAXFILE];
1583 #endif
1584
1585         sprintf(tempname, "%s@", dir);
1586
1587         file = open(tempname,O_BINARY+O_WRONLY+O_CREAT+O_TRUNC, 0666);
1588         if(file == -1) {
1589                 *error_r= "Unable to open";
1590                 return 0;
1591         }
1592
1593         BLI_make_file_string(G.sce, userfilename, BLI_gethome(), ".B.blend");
1594
1595         write_user_block= BLI_streq(dir, userfilename);
1596
1597         fout= write_file_handle(file, NULL,NULL, write_user_block, write_flags);
1598         close(file);
1599
1600         if(!fout) {
1601                 if(BLI_rename(tempname, dir) < 0) {
1602                         *error_r= "Can't change old file. File saved with @";
1603                         return 0;
1604                 }
1605         } else {
1606                 remove(tempname);
1607
1608                 *error_r= "Not enough diskspace";
1609                 return 0;
1610         }
1611
1612         return 1;
1613 }
1614
1615 /* return: success (1) */
1616 int BLO_write_file_mem(MemFile *compare, MemFile *current, int write_flags, char **error_r)
1617 {
1618         int err;
1619
1620         err= write_file_handle(0, compare, current, 0, write_flags);
1621
1622         if(err==0) return 1;
1623         return 0;
1624 }
1625
1626
1627         /* Runtime writing */
1628
1629 #ifdef WIN32
1630 #define PATHSEPERATOR           "\\"
1631 #else
1632 #define PATHSEPERATOR           "/"
1633 #endif
1634
1635 static char *get_install_dir(void) {
1636         extern char bprogname[];
1637         char *tmpname = BLI_strdup(bprogname);
1638         char *cut;
1639
1640 #ifdef __APPLE__
1641         cut = strstr(tmpname, ".app");
1642         if (cut) cut[0] = 0;
1643 #endif
1644
1645         cut = BLI_last_slash(tmpname);
1646
1647         if (cut) {
1648                 cut[0] = 0;
1649                 return tmpname;
1650         } else {
1651                 MEM_freeN(tmpname);
1652                 return NULL;
1653         }
1654 }
1655
1656 static char *get_runtime_path(char *exename) {
1657         char *installpath= get_install_dir();
1658
1659         if (!installpath) {
1660                 return NULL;
1661         } else {
1662                 char *path= MEM_mallocN(strlen(installpath)+strlen(PATHSEPERATOR)+strlen(exename)+1, "runtimepath");
1663                 strcpy(path, installpath);
1664                 strcat(path, PATHSEPERATOR);
1665                 strcat(path, exename);
1666
1667                 MEM_freeN(installpath);
1668
1669                 return path;
1670         }
1671 }
1672
1673 #ifdef __APPLE__
1674
1675 static int recursive_copy_runtime(char *outname, char *exename, char **cause_r)
1676 {
1677         char *cause = NULL, *runtime = get_runtime_path(exename);
1678         char command[2 * (FILE_MAXDIR+FILE_MAXFILE) + 32];
1679         int progfd = -1;
1680
1681         if (!runtime) {
1682                 cause= "Unable to find runtime";
1683                 goto cleanup;
1684         }
1685         //printf("runtimepath %s\n", runtime);
1686
1687         progfd= open(runtime, O_BINARY|O_RDONLY, 0);
1688         if (progfd==-1) {
1689                 cause= "Unable to find runtime";
1690                 goto cleanup;
1691         }
1692
1693         sprintf(command, "/bin/cp -R \"%s\" \"%s\"", runtime, outname);
1694         //printf("command %s\n", command);
1695         if (system(command) == -1) {
1696                 cause = "Couldn't copy runtime";
1697         }
1698
1699 cleanup:
1700         if (progfd!=-1)
1701                 close(progfd);
1702         if (runtime)
1703                 MEM_freeN(runtime);
1704
1705         if (cause) {
1706                 *cause_r= cause;
1707                 return 0;
1708         } else
1709                 return 1;
1710 }
1711
1712 void BLO_write_runtime(char *file, char *exename) {
1713         char gamename[FILE_MAXDIR+FILE_MAXFILE];
1714         int outfd = -1;
1715         char *cause= NULL;
1716
1717         // remove existing file / bundle
1718         //printf("Delete file %s\n", file);
1719         BLI_delete(file, NULL, TRUE);
1720
1721         if (!recursive_copy_runtime(file, exename, &cause))
1722                 goto cleanup;
1723
1724         strcpy(gamename, file);
1725         strcat(gamename, "/Contents/Resources/game.blend");
1726         //printf("gamename %s\n", gamename);
1727         outfd= open(gamename, O_BINARY|O_WRONLY|O_CREAT|O_TRUNC, 0777);
1728         if (outfd != -1) {
1729
1730                 write_file_handle(outfd, NULL,NULL, 0, G.fileflags);
1731
1732                 if (write(outfd, " ", 1) != 1) {
1733                         cause= "Unable to write to output file";
1734                         goto cleanup;
1735                 }
1736         } else {
1737                 cause = "Unable to open blenderfile";
1738         }
1739
1740 cleanup:
1741         if (outfd!=-1)
1742                 close(outfd);
1743
1744         if (cause)
1745                 error("Unable to make runtime: %s", cause);
1746 }
1747
1748 #else /* !__APPLE__ */
1749
1750 static int handle_append_runtime(int handle, char *exename, char **cause_r) {
1751         char *cause= NULL, *runtime= get_runtime_path(exename);
1752         unsigned char buf[1024];
1753         int count, progfd= -1;
1754
1755         if (!runtime) {
1756                 cause= "Unable to find runtime";
1757                 goto cleanup;
1758         }
1759
1760         progfd= open(runtime, O_BINARY|O_RDONLY, 0);
1761         if (progfd==-1) {
1762                 cause= "Unable to find runtime";
1763                 goto cleanup;
1764         }
1765
1766         while ((count= read(progfd, buf, sizeof(buf)))>0) {
1767                 if (write(handle, buf, count)!=count) {
1768                         cause= "Unable to write to output file";
1769                         goto cleanup;
1770                 }
1771         }
1772
1773 cleanup:
1774         if (progfd!=-1)
1775                 close(progfd);
1776         if (runtime)
1777                 MEM_freeN(runtime);
1778
1779         if (cause) {
1780                 *cause_r= cause;
1781                 return 0;
1782         } else
1783                 return 1;
1784 }
1785
1786 static int handle_write_msb_int(int handle, int i) {
1787         unsigned char buf[4];
1788         buf[0]= (i>>24)&0xFF;
1789         buf[1]= (i>>16)&0xFF;
1790         buf[2]= (i>>8)&0xFF;
1791         buf[3]= (i>>0)&0xFF;
1792
1793         return (write(handle, buf, 4)==4);
1794 }
1795
1796 void BLO_write_runtime(char *file, char *exename) {
1797         int outfd= open(file, O_BINARY|O_WRONLY|O_CREAT|O_TRUNC, 0777);
1798         char *cause= NULL;
1799         int datastart;
1800
1801         if (!outfd) {
1802                 cause= "Unable to open output file";
1803                 goto cleanup;
1804         }
1805         if (!handle_append_runtime(outfd, exename, &cause))
1806                 goto cleanup;
1807
1808         datastart= lseek(outfd, 0, SEEK_CUR);
1809
1810         write_file_handle(outfd, NULL,NULL, 0, G.fileflags);
1811
1812         if (!handle_write_msb_int(outfd, datastart) || (write(outfd, "BRUNTIME", 8)!=8)) {
1813                 cause= "Unable to write to output file";
1814                 goto cleanup;
1815         }
1816
1817 cleanup:
1818         if (outfd!=-1)
1819                 close(outfd);
1820
1821         if (cause)
1822                 error("Unable to make runtime: %s", cause);
1823 }
1824
1825 #endif /* !__APPLE__ */