lib/modules/swfaction.c

   1 /* swfaction.c
   2
   3    Actionscript generation and parsing routines
   4
   5    Extension module for the rfxswf library.
   6    Part of the swftools package.
   7
   8    Copyright (c) 2001 Matthias Kramm <kramm@quiss.org>
   9
  10    This file is distributed under the GPL, see file COPYING for details
  11
  12 */
  13
  14 #include "../rfxswf.h"
  15
  16 struct Action
  17 {
  18     int version;
  19     char*name;
  20     U8 op;
  21     char*flags;
  22 } static actions[] =
  23 {
  24 /*
  25 f: frame (word)
  26 u: url (string)
  27 t: target (string)
  28 l: label (string)
  29 C: constant pool header (byte)
  30 c: constant pool entry (string)
  31 s: skip (byte) (number of actions)
  32 m: method (byte) swf_GetUrl2:(0=none, 1=get, 2=post)/GotoFrame2:(1=play)
  33 b: branch (word) (number of bytes)
  34 p (push): type(byte), type=0:string, type=1:double
  35 {: define function (name (string), num (word), params (num strings), codesize (word)
  36 o: object (string)
  37 r: register (byte)
  38  */
  39 {3,"End", 0x00, ""},
  40 {3,"GotoFrame", 0x81, "f"},
  41 {4,"GotoFrame2", 0x9f, "m"}, // -1 (/Movieclip:3)
  42 {3,"GetUrl", 0x83, "ul"},
  43 {4,"GetUrl2", 0x9a, "m"}, //-2
  44 {3,"NextFrame", 0x04, ""},
  45 {3,"PreviousFrame", 0x05, ""},
  46 {3,"Play", 0x06, ""},
  47 {3,"Stop", 0x07, ""},
  48 {3,"ToggleQuality", 0x08, ""},
  49 {3,"StopSounds", 0x09, ""},
  50 {3,"WaitForFrame", 0x8a, "fs"},
  51 {4,"WaitForFrame2", 0x8d, "s"}, // -1
  52 {3,"SetTarget", 0x8b, "t"},
  53 {4,"SetTarget2", 0x20, ""}, //-1
  54 {3,"GotoLabel", 0x8c, "l"},
  55 {4,"Add", 0x0a, ""}, //  -2, +1
  56 {4,"Multiply", 0x0c, ""}, //  -2, +1
  57 {4,"Divide", 0x0d, ""}, //  -2, +1
  58 {4,"Subtract", 0x0b, ""}, //  -2, +1
  59 {4,"Less", 0x0f, ""}, //  -2, +1
  60 {4,"Equals", 0x0e, ""}, //  -2, +1
  61 {4,"And", 0x10, ""}, //  -2, +1
  62 {4,"Or", 0x11, ""}, //  -2, +1
  63 {4,"Not", 0x12, ""}, //  -1, +1
  64 {4,"StringAdd", 0x21, ""}, // -2,+1
  65 {4,"StringLength", 0x14, ""}, // -1, +1
  66 {4,"MBStringLength", 0x31, ""}, // -1, +1
  67 {4,"StringEquals", 0x13, ""}, // -2, +1
  68 {4,"StringLess", 0x29, ""}, //-2, +1
  69 {4,"StringExtract", 0x15, ""}, // -3, +1
  70 {4,"MBStringExtract", 0x35, ""}, //-3 +1
  71 {4,"Push", 0x96, "p"}, //  +1
  72 {4,"Pop", 0x17, ""}, //  -1
  73 {4,"ToInteger", 0x18, ""}, // -1, +1
  74 {4,"CharToAscii", 0x32, ""}, // -1, +1
  75 {4,"AsciiToChar", 0x33, ""}, // -1, +1
  76 {4,"MBCharToAscii", 0x36, ""}, // -1, +1
  77 {4,"MBAsciiToChar", 0x37, ""}, // -1, +1
  78 {4,"Jump", 0x99, "b"},
  79 {4,"If", 0x9d, "b"}, // -1
  80 {4,"Call", 0x9e, ""}, //-1 (frame label/number) (high bit is wrong.)
  81 {4,"GetVariable", 0x1c,""}, // -1, +1
  82 {4,"SetVariable", 0x1d,""}, // -2
  83 {4,"GetProperty", 0x22,""}, //-2, +1
  84 {4,"SetProperty", 0x23, ""}, // -3
  85 {4,"RemoveSprite", 0x25, ""}, //-1
  86 {4,"StartDrag", 0x27, ""}, // -2, -1, (-4)
  87 {4,"EndDrag", 0x28, ""},
  88 {4,"CloneSprite", 0x24, ""}, // -3
  89 {4,"Trace", 0x26, ""}, //-1
  90 {4,"GetTime", 0x34, ""}, //+1
  91 {4,"RandomNumber", 0x30, ""}, //-1,+1
  92 {5,"Modulo", 0x3f,""},
  93 {5,"BitAnd", 0x60,""},
  94 {5,"BitLShift", 0x63,""},
  95 {5,"BitOr", 0x61,""},
  96 {5,"BitRShift", 0x64,""},
  97 {5,"BitURShift", 0x65,""},
  98 {5,"BitXor", 0x62,""},//66?
  99 {5,"Decrement", 0x51,""},
 100 {5,"Increment", 0x50,""},
 101 {5,"PushDuplicate", 0x4c,""},
 102 {5,"StackSwap", 0x4d,""}, //?
 103 {5,"StoreRegister", 0x87,"r"},
 104 {5,"CallFunction", 0x3d,""},
 105 {5,"DefineFunction", 0x9b, "{"},
 106 {5,"Return", 0x3e,""},
 107 {5,"GetMember", 0x4e,""},
 108 {5,"SetMember", 0x4f,""},
 109 {5,"CallMethod", 0x52,""},
 110 {5,"Constantpool", 0x88, "Cc"},
 111 {5,"DefineLocal", 0x3c,""},
 112 {5,"DefineLocal2", 0x41,""},
 113 {5,"Makehash", 0x43, ""}, //??
 114 {5,"Delete", 0x3a,""}, //?
 115 {5,"Delete2", 0x3b,""},
 116 {5,"Enumerate", 0x46,""},
 117 {5,"Equals2", 0x49,""},
 118 {5,"InitArray", 0x42,""}, // InitObject?
 119 {5,"NewMethod", 0x53,""}, //?
 120 {5,"NewObject", 0x40,""},
 121 {5,"TargetPath", 0x45,""}, //?
 122 {5,"With", 0x94, "o"},
 123 {5,"ToNumber", 0x4a,""}, //?
 124 {5,"ToString", 0x4b,""}, //?
 125 {5,"TypeOf", 0x44,""},
 126 {5,"Add2", 0x47,""},
 127 {5,"Less2", 0x48,""}
 128 };
 129 static int definedactions = sizeof(actions)/sizeof(struct Action);
 130
 131 ActionTAG* swf_ActionGet(TAG*tag)
 132 {
 133     U8 op = 1;
 134     int length;
 135     ActionTAG tmp;
 136     ActionTAG*action = &tmp;
 137     U8*data;
 138     while(op)
 139     {
 140         action->next = (ActionTAG*)malloc(sizeof(ActionTAG));
 141         action->next->prev = action;
 142         action->next->next = 0;
 143         action = action->next;
 144
 145         op = swf_GetU8(tag);
 146         if(op<0x80)
 147             length = 0;
 148         else
 149             length = swf_GetU16(tag);
 150
 151         if(length) {
 152             data = malloc(length);
 153             swf_GetBlock(tag, data, length);
 154         } else {
 155           data = 0;
 156         }
 157         action->op = op;
 158         action->len = length;
 159         action->data = data;
 160         action->parent = tag;
 161     }
 162     return tmp.next;
 163 }
 164
 165 void swf_ActionFree(ActionTAG*action)
 166 {
 167     while(action)
 168     {
 169         ActionTAG*tmp;
 170         if(action->data && action->data != action->tmp)
 171             free(action->data);
 172         tmp = action;
 173         action=action->next;
 174         free(tmp);
 175     }
 176 }
 177
 178 void swf_ActionSet(TAG*tag, ActionTAG*action)
 179 {
 180     while(action)
 181     {
 182         swf_SetU8(tag, action->op);
 183         if(action->op & 128)
 184           swf_SetU16(tag, action->len);
 185
 186         swf_SetBlock(tag, action->data, action->len);
 187
 188         action = action->next;
 189     }
 190 }
 191
 192 int OpAdvance(char c, char*data)
 193 {
 194     switch (c)
 195     {
 196         case 'f':
 197             return 2;
 198         case 'u':
 199             return strlen(data)+1;
 200         case 't':
 201             return strlen(data)+1;
 202         case 'l':
 203             return strlen(data)+1;
 204         case 'c':
 205             return strlen(data)+1;
 206         case 'C':
 207             return 2;
 208         case 's':
 209             return 1;
 210         case 'm':
 211             return 1;
 212         case 'b':
 213             return 2;
 214         case 'p': {
 215             U8 type = *data++;
 216             if(type == 0) {
 217                 return 1+strlen(data)+1; //string
 218             } else if (type == 1) {
 219                 return 1+4; //float
 220             } else if (type == 2) {
 221                 return 1+0; //NULL
 222             } else if (type == 4) {
 223                 return 1+1; //register
 224             } else if (type == 5) {
 225                 return 1+1; //bool
 226             } else if (type == 6) {
 227                 return 1+8; //double
 228             } else if (type == 7) {
 229                 return 1+4; //int
 230             } else if (type == 8) {
 231                 return 1+1; //lookup
 232             }
 233             break;
 234         }
 235     }
 236     return 0;
 237 }
 238
 239 /* TODO: this should be in swfdump.c */
 240 void swf_DumpActions(ActionTAG*atag, char*prefix)
 241 {
 242     int t;
 243     U8*data;
 244     char* cp;
 245     if(!prefix)
 246         prefix="";
 247     while(atag)
 248     {
 249         U8 poollen = 0;
 250         for(t=0;t<definedactions;t++)
 251             if(actions[t].op == atag->op)
 252                 break;
 253
 254         if(t==definedactions) {
 255             printf("%s (%5d bytes) action: %02x\n", prefix, atag->len, atag->op);
 256             atag = atag->next;
 257             continue;
 258         }
 259         printf("%s (%5d bytes) action: %s", prefix, atag->len, actions[t].name);
 260         cp = actions[t].flags;
 261         data = atag->data;
 262         if(atag->len) //TODO: check for consistency: should we have a length?
 263         while(*cp)
 264         {
 265             switch(*cp)
 266             {
 267                 case 'f': {
 268                     printf(" %d", *(U16*)data); //FIXME: le/be
 269                 } break;
 270                 case 'u': {
 271                     printf(" URL:\"%s\"", data);
 272                 } break;
 273                 case 't': {
 274                     printf(" Target:\"%s\"", data);
 275                 } break;
 276                 case 'l': {
 277                     printf(" Label:\"%s\"", data);
 278                 } break;
 279                 case 'c': {
 280                     printf(" String:\"%s\"", data);
 281                 } break;
 282                 case 'C': {
 283                     poollen = *data;
 284                     printf("(%d entries)", poollen);
 285                 } break;
 286                 case 's': {
 287                     printf(" +%d", *data);
 288                 } break;
 289                 case 'm': {
 290                     //m: method (byte) url:(0=none, 1=get, 2=datat)/gf2:(1=play)
 291                     printf(" %d", *data);
 292                 } break;
 293                 case 'b': {
 294                     printf(" %d", *(U16*)data);
 295                 } break;
 296                 case 'p': {
 297                     U8 type = *data;
 298                     char*value = data+1;
 299                     if(type == 0) {
 300                         printf(" String:\"%s\"", value);
 301                     } else if (type == 1) {
 302                         printf(" Float:%f", *(float*)value);
 303                     } else if (type == 2) {
 304                         printf(" NULL");
 305                     } else if (type == 4) {
 306                         printf(" register:%d", *value);
 307                     } else if (type == 5) {
 308                         printf(" bool:%s", *value?"true":"false");
 309                     } else if (type == 6) {
 310                         printf(" float:%f", *(double*)value);
 311                     } else if (type == 7) {
 312                         printf(" int:%d", *(int*)value);
 313                     } else if (type == 8) {
 314                         printf(" Lookup:%d", *value);
 315                     } else {
 316                         printf(" UNKNOWN[%02x]",type);
 317                     }
 318                 } break;
 319             }
 320             data += OpAdvance(*cp, data);
 321             if((*cp!='c' || !poollen) &&
 322                (*cp!='p' || !(data<&atag->data[atag->len])))
 323                 cp++;
 324             if(poollen)
 325                 poollen--;
 326         }
 327
 328         if(data < atag->data + atag->len)
 329         {
 330             int nl = ((atag->data+atag->len)-data);
 331             int t;
 332             printf(" (remainder of %d bytes:\"", nl);
 333             for(t=0;t<nl;t++) {
 334                 if(data[t]<32)
 335                     printf("\\%d",data[t]);
 336                 else
 337                     printf("%c", data[t]);
 338             }
 339             printf("\")");
 340         }
 341         printf("\n");
 342         atag = atag->next;
 343     }
 344 }
 345
 346 static const char TYPE_URL = 1;
 347 static const char TYPE_TARGET = 2;
 348 static const char TYPE_STRING = 4;
 349
 350 int swf_ActionEnumerate(ActionTAG*atag, char*(*callback)(char*), int type)
 351 {
 352     int t;
 353     U8*data;
 354     char* cp;
 355     int count = 0;
 356     while(atag)
 357     {
 358         U8 poollen = 0;
 359         for(t=0;t<definedactions;t++)
 360             if(actions[t].op == atag->op)
 361                 break;
 362
 363         if(t==definedactions) {
 364             // unknown actiontag
 365             atag = atag->next;
 366             count++;
 367             continue;
 368         }
 369         cp = actions[t].flags;
 370         data = atag->data;
 371         if(atag->len) {
 372             while(*cp) {
 373                 U8 * replacepos = 0;
 374                 int replacelen = 0;
 375                 U8 * replacement = 0;
 376                 switch(*cp)
 377                 {
 378                     case 'u': {
 379                         if(type&TYPE_URL)
 380                         {
 381                             replacelen = strlen(data);
 382                             replacepos = data;
 383                             replacement = callback(data); // may be null
 384                         }
 385                     } break;
 386                     case 't': {
 387                         if(type&TYPE_TARGET)
 388                         {
 389                             replacelen = strlen(data);
 390                             replacepos = data;
 391                             replacement = callback(data); // may be null
 392                         }
 393                     } break;
 394                     case 'c': {
 395                         if(type&TYPE_STRING)
 396                         {
 397                             replacelen = strlen(data);
 398                             replacepos = data;
 399                             replacement = callback(data); // may be null
 400                         }
 401                     } break;
 402                     case 'C': {
 403                         poollen = (*data);
 404                     } break;
 405                     case 'o': {
 406                     } break;
 407                     case 'p': {
 408                         U8 datatype = *data;
 409                         char*value = &data[1];
 410                         if(datatype == 0) { //string
 411                             if(type&TYPE_STRING)
 412                             {
 413                                 replacelen = strlen(value);
 414                                 replacepos = value;
 415                                 replacement = callback(value); // may be null
 416                             }
 417                         } else if (datatype == 8) { //lookup
 418                         }
 419                     } break;
 420                 }
 421                 data += OpAdvance(*cp, data);
 422                 if(*cp!='c' || !poollen)
 423                     cp++;
 424                 if(poollen)
 425                     poollen--;
 426
 427                 if(replacement)
 428                 {
 429                     int newlen = strlen(replacement);
 430                     char * newdata = malloc(atag->len - replacelen + newlen);
 431                     int rpos = replacepos - atag->data;
 432                     memcpy(newdata, atag->data, rpos);
 433                     memcpy(&newdata[rpos], replacement, newlen);
 434                     memcpy(&newdata[rpos+newlen], &replacepos[replacelen],
 435                             &data[atag->len] - &replacepos[replacelen]);
 436                     free(atag->data);
 437                     atag->data = newdata;
 438                     data = &atag->data[rpos+newlen+1];
 439                 }
 440             }
 441         }
 442         atag = atag->next;
 443         count ++;
 444     }
 445     return count;
 446 }
 447
 448 void swf_ActionEnumerateTargets(ActionTAG*atag, char*(*callback)(char*))
 449 {
 450     swf_ActionEnumerate(atag, callback, TYPE_TARGET);
 451 }
 452 void swf_ActionEnumerateStrings(ActionTAG*atag, char*(*callback)(char*))
 453 {
 454     swf_ActionEnumerate(atag, callback, TYPE_STRING);
 455 }
 456 void swf_ActionEnumerateURLs(ActionTAG*atag, char*(*callback)(char*))
 457 {
 458     swf_ActionEnumerate(atag, callback, TYPE_URL);
 459 }
 460
 461 static ActionTAG * currentatag;
 462
 463 ActionTAG* swf_ActionStart()
 464 {
 465     currentatag = (ActionTAG*)malloc(sizeof(ActionTAG));
 466     currentatag->prev = 0;
 467     currentatag->parent = 0;
 468     currentatag->data = 0;
 469     currentatag->len = 0;
 470     return currentatag;
 471 }
 472
 473 void swf_ActionEnd()
 474 {
 475     currentatag->prev->next = 0;
 476     free(currentatag);
 477 }
 478
 479 void swf_AddActionTAG(U8 op, U8*data, U16 len)
 480 {
 481     currentatag->next = (ActionTAG*)malloc(sizeof(ActionTAG));
 482     currentatag->next->prev = currentatag;
 483     currentatag->parent = 0;
 484     currentatag->data = data;
 485     currentatag->len = len;
 486     currentatag->op = op;
 487     currentatag = currentatag->next;
 488 }
 489
 490 ActionMarker action_setMarker()
 491 {
 492     ActionMarker m;
 493     m.atag = currentatag;
 494     return m;
 495 }
 496
 497 int inline ActionTagSize(ActionTAG*atag)
 498 {
 499     return (atag->op&0x80)?3+(atag->len):1+0;
 500 }
 501
 502
 503 #define ACTION_END            0x00
 504 #define ACTION_NEXTFRAME      0x04
 505 #define ACTION_PREVIOUSFRAME  0x05
 506 #define ACTION_PLAY           0x06
 507 #define ACTION_STOP           0x07
 508 #define ACTION_TOGGLEQUALITY  0x08
 509 #define ACTION_STOPSOUNDS     0x09
 510 #define ACTION_ADD            0x0a
 511 #define ACTION_SUBTRACT       0x0b
 512 #define ACTION_MULTIPLY       0x0c
 513 #define ACTION_DIVIDE         0x0d
 514 #define ACTION_EQUALS         0x0e
 515 #define ACTION_LESS           0x0f
 516 #define ACTION_AND            0x10
 517 #define ACTION_OR             0x11
 518 #define ACTION_NOT            0x12
 519 #define ACTION_STRINGEQUALS   0x13
 520 #define ACTION_STRINGLENGTH   0x14
 521 #define ACTION_STRINGEXTRACT  0x15
 522 #define ACTION_POP            0x17
 523 #define ACTION_TOINTEGER      0x18
 524 #define ACTION_GETVARIABLE    0x1c
 525 #define ACTION_SETVARIABLE    0x1d
 526 #define ACTION_SETTARGET2     0x20
 527 #define ACTION_STRINGADD      0x21
 528 #define ACTION_GETPROPERTY    0x22
 529 #define ACTION_SETPROPERTY    0x23
 530 #define ACTION_CLONESPRITE    0x24
 531 #define ACTION_REMOVESPRITE   0x25
 532 #define ACTION_TRACE          0x26
 533 #define ACTION_STARTDRAG      0x27
 534 #define ACTION_ENDDRAG        0x28
 535 #define ACTION_STRINGLESS     0x29
 536 #define ACTION_RANDOMNUMBER   0x30
 537 #define ACTION_MBSTRINGLENGTH 0x31
 538 #define ACTION_CHARTOASCII    0x32
 539 #define ACTION_ASCIITOCHAR    0x33
 540 #define ACTION_GETTIME        0x34
 541 #define ACTION_MBSTRINGEXTRACT 0x35
 542 #define ACTION_MBCHARTOASCII  0x36
 543 #define ACTION_MBASCIITOCHAR  0x37
 544 #define ACTION_DELETE         0x3a
 545 #define ACTION_DELETE2        0x3b
 546 #define ACTION_DEFINELOCAL    0x3c
 547 #define ACTION_CALLFUNCTION   0x3d
 548 #define ACTION_RETURN         0x3e
 549 #define ACTION_MODULO         0x3f
 550 #define ACTION_NEWOBJECT      0x40
 551 #define ACTION_DEFINELOCAL2   0x41
 552 #define ACTION_INITARRAY      0x42
 553 #define ACTION_MAKEHASH       0x43
 554 #define ACTION_TYPEOF         0x44
 555 #define ACTION_TARGETPATH     0x45
 556 #define ACTION_ENUMERATE      0x46
 557 #define ACTION_ADD2           0x47
 558 #define ACTION_LESS2          0x48
 559 #define ACTION_EQUALS2        0x49
 560 #define ACTION_TONUMBER       0x4a
 561 #define ACTION_TOSTRING       0x4b
 562 #define ACTION_PUSHDUPLICATE  0x4c
 563 #define ACTION_STACKSWAP      0x4d
 564 #define ACTION_GETMEMBER      0x4e
 565 #define ACTION_SETMEMBER      0x4f
 566 #define ACTION_INCREMENT      0x50
 567 #define ACTION_DECREMENT      0x51
 568 #define ACTION_CALLMETHOD     0x52
 569 #define ACTION_NEWMETHOD      0x53
 570 #define ACTION_BITAND         0x60
 571 #define ACTION_BITOR          0x61
 572 #define ACTION_BITXOR         0x62
 573 #define ACTION_BITLSHIFT      0x63
 574 #define ACTION_BITRSHIFT      0x64
 575 #define ACTION_BITURSHIFT     0x65
 576 #define ACTION_GOTOFRAME      0x81
 577 #define ACTION_GETURL         0x83
 578 #define ACTION_STOREREGISTER  0x87
 579 #define ACTION_CONSTANTPOOL   0x88
 580 #define ACTION_WAITFORFRAME   0x8a
 581 #define ACTION_SETTARGET      0x8b
 582 #define ACTION_GOTOLABEL      0x8c
 583 #define ACTION_WAITFORFRAME2  0x8d
 584 #define ACTION_WITH           0x94
 585 #define ACTION_PUSH           0x96
 586 #define ACTION_JUMP           0x99
 587 #define ACTION_GETURL2        0x9a
 588 #define ACTION_DEFINEFUNCTION 0x9b
 589 #define ACTION_IF             0x9d
 590 #define ACTION_CALL           0x9e
 591 #define ACTION_GOTOFRAME2     0x9f
 592
 593 void action_fixjump(ActionMarker m1, ActionMarker m2)
 594 {
 595     ActionTAG* a1 = m1.atag;
 596     ActionTAG* a2 = m2.atag;
 597     ActionTAG* a;
 598     int len = 0;
 599     int oplen = 0;
 600     a = a1;
 601
 602     a = a->next; //first one is free
 603     while(a && a!=a2)
 604     {
 605         len += ActionTagSize(a);
 606         oplen ++;
 607         a = a->next;
 608     }
 609     if(!a)
 610     { len = 0;
 611       oplen = 0;
 612       a = a2;
 613       while(a && a!=a1) {
 614           len -= ActionTagSize(a);
 615           oplen --;
 616           a = a->next;
 617       }
 618       if(!a) {
 619           fprintf(stderr, "action_fixjump: couldn't find second tag\n");
 620           return;
 621       }
 622       len -= ActionTagSize(a);
 623       oplen --;
 624     }
 625
 626     if (a1->op == ACTION_IF || a1->op == ACTION_JUMP)
 627     {
 628         *(U16*)(a1->data) = len;
 629     }
 630     else if(a1->op == ACTION_WAITFORFRAME)
 631     {
 632         ((U8*)(a1->data))[2] = oplen;
 633     }
 634     else if(a1->op == ACTION_WAITFORFRAME2)
 635     {
 636         ((U8*)(a1->data))[0] = oplen;
 637     }
 638
 639 }
 640
 641
 642 void action_NextFrame() {swf_AddActionTAG(ACTION_NEXTFRAME, 0, 0);}
 643 void action_PreviousFrame() {swf_AddActionTAG(ACTION_PREVIOUSFRAME, 0, 0);}
 644 void action_Play() {swf_AddActionTAG(ACTION_PLAY, 0, 0);}
 645 void action_Stop() {swf_AddActionTAG(ACTION_STOP, 0, 0);}
 646 void action_ToggleQuality() {swf_AddActionTAG(ACTION_TOGGLEQUALITY, 0, 0);}
 647 void action_StopSounds() {swf_AddActionTAG(ACTION_STOPSOUNDS, 0, 0);}
 648 void action_Add() {swf_AddActionTAG(ACTION_ADD, 0, 0);}
 649 void action_Subtract() {swf_AddActionTAG(ACTION_SUBTRACT, 0, 0);}
 650 void action_Multiply() {swf_AddActionTAG(ACTION_MULTIPLY, 0, 0);}
 651 void action_Divide() {swf_AddActionTAG(ACTION_DIVIDE, 0, 0);}
 652 void action_Equals() {swf_AddActionTAG(ACTION_EQUALS, 0, 0);}
 653 void action_Less() {swf_AddActionTAG(ACTION_LESS, 0, 0);}
 654 void action_And() {swf_AddActionTAG(ACTION_AND, 0, 0);}
 655 void action_Or() {swf_AddActionTAG(ACTION_OR, 0, 0);}
 656 void action_Not() {swf_AddActionTAG(ACTION_NOT, 0, 0);}
 657 void action_StringEquals() {swf_AddActionTAG(ACTION_STRINGEQUALS, 0, 0);}
 658 void action_StringLength() {swf_AddActionTAG(ACTION_STRINGLENGTH, 0, 0);}
 659 void action_StringExtract() {swf_AddActionTAG(ACTION_STRINGEXTRACT, 0, 0);}
 660 void action_Pop() {swf_AddActionTAG(ACTION_POP, 0, 0);}
 661 void action_ToInteger() {swf_AddActionTAG(ACTION_TOINTEGER, 0, 0);}
 662 void action_GetVariable() {swf_AddActionTAG(ACTION_GETVARIABLE, 0, 0);}
 663 void action_SetVariable() {swf_AddActionTAG(ACTION_SETVARIABLE, 0, 0);}
 664 void action_SetTarget2() {swf_AddActionTAG(ACTION_SETTARGET2, 0, 0);}
 665 void action_StringAdd() {swf_AddActionTAG(ACTION_STRINGADD, 0, 0);}
 666 void action_GetProperty() {swf_AddActionTAG(ACTION_GETPROPERTY, 0, 0);}
 667 void action_SetProperty() {swf_AddActionTAG(ACTION_SETPROPERTY, 0, 0);}
 668 void action_CloneSprite() {swf_AddActionTAG(ACTION_CLONESPRITE, 0, 0);}
 669 void action_RemoveSprite() {swf_AddActionTAG(ACTION_REMOVESPRITE, 0, 0);}
 670 void action_Trace() {swf_AddActionTAG(ACTION_TRACE, 0, 0);}
 671 void action_StartDrag() {swf_AddActionTAG(ACTION_STARTDRAG, 0, 0);}
 672 void action_EndDrag() {swf_AddActionTAG(ACTION_ENDDRAG, 0, 0);}
 673 void action_StringLess() {swf_AddActionTAG(ACTION_STRINGLESS, 0, 0);}
 674 void action_RandomNumber() {swf_AddActionTAG(ACTION_RANDOMNUMBER, 0, 0);}
 675 void action_MBStringLength() {swf_AddActionTAG(ACTION_MBSTRINGLENGTH, 0, 0);}
 676 void action_CharToAscii() {swf_AddActionTAG(ACTION_CHARTOASCII, 0, 0);}
 677 void action_AsciiToChar() {swf_AddActionTAG(ACTION_ASCIITOCHAR, 0, 0);}
 678 void action_GetTime() {swf_AddActionTAG(ACTION_GETTIME, 0, 0);}
 679 void action_MBStringExtract() {swf_AddActionTAG(ACTION_MBSTRINGEXTRACT, 0, 0);}
 680 void action_MBCharToAscii() {swf_AddActionTAG(ACTION_MBCHARTOASCII, 0, 0);}
 681 void action_MBAsciiToChar() {swf_AddActionTAG(ACTION_MBASCIITOCHAR, 0, 0);}
 682 void action_Delete() {swf_AddActionTAG(ACTION_DELETE, 0, 0);}
 683 void action_Delete2() {swf_AddActionTAG(ACTION_DELETE2, 0, 0);}
 684 void action_DefineLocal() {swf_AddActionTAG(ACTION_DEFINELOCAL, 0, 0);}
 685 void action_CallFunction() {swf_AddActionTAG(ACTION_CALLFUNCTION, 0, 0);}
 686 void action_Return() {swf_AddActionTAG(ACTION_RETURN, 0, 0);}
 687 void action_Modulo() {swf_AddActionTAG(ACTION_MODULO, 0, 0);}
 688 void action_NewObject() {swf_AddActionTAG(ACTION_NEWOBJECT, 0, 0);}
 689 void action_DefineLocal2() {swf_AddActionTAG(ACTION_DEFINELOCAL2, 0, 0);}
 690 void action_InitArray() {swf_AddActionTAG(ACTION_INITARRAY, 0, 0);}
 691 void action_Makehash() {swf_AddActionTAG(ACTION_MAKEHASH, 0, 0);}
 692 void action_TypeOf() {swf_AddActionTAG(ACTION_TYPEOF, 0, 0);}
 693 void action_TargetPath() {swf_AddActionTAG(ACTION_TARGETPATH, 0, 0);}
 694 void action_Enumerate() {swf_AddActionTAG(ACTION_ENUMERATE, 0, 0);}
 695 void action_Add2() {swf_AddActionTAG(ACTION_ADD2, 0, 0);}
 696 void action_Less2() {swf_AddActionTAG(ACTION_LESS2, 0, 0);}
 697 void action_Equals2() {swf_AddActionTAG(ACTION_EQUALS2, 0, 0);}
 698 void action_ToNumber() {swf_AddActionTAG(ACTION_TONUMBER, 0, 0);}
 699 void action_ToString() {swf_AddActionTAG(ACTION_TOSTRING, 0, 0);}
 700 void action_PushDuplicate() {swf_AddActionTAG(ACTION_PUSHDUPLICATE, 0, 0);}
 701 void action_StackSwap() {swf_AddActionTAG(ACTION_STACKSWAP, 0, 0);}
 702 void action_GetMember() {swf_AddActionTAG(ACTION_GETMEMBER, 0, 0);}
 703 void action_SetMember() {swf_AddActionTAG(ACTION_SETMEMBER, 0, 0);}
 704 void action_Increment() {swf_AddActionTAG(ACTION_INCREMENT, 0, 0);}
 705 void action_Decrement() {swf_AddActionTAG(ACTION_DECREMENT, 0, 0);}
 706 void action_CallMethod() {swf_AddActionTAG(ACTION_CALLMETHOD, 0, 0);}
 707 void action_NewMethod() {swf_AddActionTAG(ACTION_NEWMETHOD, 0, 0);}
 708 void action_BitAnd() {swf_AddActionTAG(ACTION_BITAND, 0, 0);}
 709 void action_BitOr() {swf_AddActionTAG(ACTION_BITOR, 0, 0);}
 710 void action_BitXor() {swf_AddActionTAG(ACTION_BITXOR, 0, 0);}
 711 void action_BitLShift() {swf_AddActionTAG(ACTION_BITLSHIFT, 0, 0);}
 712 void action_BitRShift() {swf_AddActionTAG(ACTION_BITRSHIFT, 0, 0);}
 713 void action_BitURShift() {swf_AddActionTAG(ACTION_BITURSHIFT, 0, 0);}
 714 void action_Call() {swf_AddActionTAG(ACTION_CALL, 0, 0);}
 715 void action_End() {swf_AddActionTAG(ACTION_END, 0, 0);}
 716 void action_GotoFrame(U16 frame)
 717 {
 718     *(U16*)currentatag->tmp = frame;
 719     swf_AddActionTAG(ACTION_GOTOFRAME, (U8*)currentatag->tmp, 2);
 720 }
 721 void action_Jump(U16 branch)
 722 {
 723     *(U16*)currentatag->tmp = branch;
 724     swf_AddActionTAG(ACTION_JUMP, (U8*)currentatag->tmp, 2);
 725 }
 726 void action_If(U16 branch)
 727 {
 728     *(U16*)currentatag->tmp = branch;
 729     swf_AddActionTAG(ACTION_IF, (U8*)currentatag->tmp, 2);
 730 }
 731 void action_StoreRegister(U8 reg)
 732 {
 733     *(U8*)currentatag->tmp = reg;
 734     swf_AddActionTAG(ACTION_STOREREGISTER, (U8*)currentatag->tmp, 1);
 735 }
 736 void action_GotoFrame2(U8 method)
 737 {
 738     *(U8*)currentatag->tmp = method;
 739     swf_AddActionTAG(ACTION_GOTOFRAME2, (U8*)currentatag->tmp, 1);
 740 }
 741 void action_GetUrl2(U8 method)
 742 {
 743     *(U8*)currentatag->tmp = method;
 744     swf_AddActionTAG(ACTION_GETURL2, (U8*)currentatag->tmp, 1);
 745 }
 746 void action_WaitForFrame2(U8 skip)
 747 {
 748     *(U8*)currentatag->tmp = skip;
 749     swf_AddActionTAG(ACTION_WAITFORFRAME2, (U8*)currentatag->tmp, 1);
 750 }
 751 void action_WaitForFrame(U16 frame, U8 skip)
 752 {
 753     *(U16*)currentatag->tmp = frame;
 754     *(U8*)&currentatag->tmp[2] = skip;
 755     swf_AddActionTAG(ACTION_WAITFORFRAME, (U8*)currentatag->tmp, 3);
 756 }
 757 void action_SetTarget(char* target)
 758 {
 759     char*ptr = strdup(target);
 760     swf_AddActionTAG(ACTION_SETTARGET, (U8*)ptr, strlen(ptr)+1);
 761 }
 762 void action_PushNULL()
 763 {
 764     *(U8*)currentatag->tmp = 2; //NULL
 765     swf_AddActionTAG(ACTION_PUSH, (U8*)currentatag->tmp, 1);
 766 }
 767 void action_PushBoolean(char c)
 768 {
 769     *(U8*)currentatag->tmp = 5; //bool
 770     *(U8*)&currentatag->tmp[1] = c;
 771     swf_AddActionTAG(ACTION_PUSH, (U8*)currentatag->tmp, 2);
 772 }
 773 void action_PushRegister(U8 reg)
 774 {
 775     *(U8*)currentatag->tmp = 4; //register
 776     *(U8*)&currentatag->tmp[1] = reg;
 777     swf_AddActionTAG(ACTION_PUSH, (U8*)currentatag->tmp, 2);
 778 }
 779 void action_PushLookup(U8 index)
 780 {
 781     *(U8*)currentatag->tmp = 8; //lookup
 782     *(U8*)&currentatag->tmp[1] = index;
 783     swf_AddActionTAG(ACTION_PUSH, (U8*)currentatag->tmp, 2);
 784 }
 785 void action_PushString(char*str)
 786 {
 787     int l = strlen(str);
 788     char*ptr = (char*)malloc(l+2);
 789     ptr[0] = 0; // string
 790     strcpy(&ptr[1], str);
 791     swf_AddActionTAG(ACTION_PUSH, (U8*)ptr, l+2);
 792 }
 793 void action_PushFloat(float f)
 794 {
 795     char*ptr = (char*)malloc(5);
 796     ptr[0] = 1; //float
 797     *(float*)&ptr[1]  = f;
 798     swf_AddActionTAG(ACTION_PUSH, (U8*)ptr, 5);
 799 }
 800 void action_PushDouble(double d)
 801 {
 802     char*ptr = (char*)malloc(9);
 803     ptr[0] = 6; //double
 804     *(double*)&ptr[1]  = d;
 805     swf_AddActionTAG(ACTION_PUSH, (U8*)ptr, 9);
 806 }
 807 void action_PushInt(int i)
 808 {
 809     *(U8*)currentatag->tmp = 7; //int
 810     *(U32*)&currentatag->tmp[1] = i;
 811     swf_AddActionTAG(ACTION_PUSH, (U8*)currentatag->tmp, 5);
 812 }
 813 void action_GotoLabel(char* label)
 814 {
 815     char*ptr = strdup(label);
 816     swf_AddActionTAG(ACTION_GOTOLABEL, (U8*)ptr, strlen(ptr));
 817 }
 818 void action_GetUrl(char* url, char* label)
 819 {
 820     int l1= strlen(url);
 821     int l2= strlen(label);
 822     char*ptr = malloc(l1+l2+2);
 823     strcpy(ptr, url);
 824     strcpy(&ptr[l1+1], label);
 825     swf_AddActionTAG(ACTION_GETURL, ptr, l1+l2+2);
 826 }
 827 //TODO:
 828 void action_DefineFunction(U8*data, int len) {}
 829 void action_Constantpool(char* constantpool) {}
 830 void action_With(char*object) {}
 831
 832 /*
 833   Properties:
 834
 835   _X 0
 836   _Y 1
 837   _xscale 2
 838   _yscale 3
 839   _currentframe 4
 840   _totalframes 5
 841   _alpha 6
 842   _visible 7
 843   _width 8
 844   _height 9
 845   _rotation 10
 846   _target 11
 847   _framesloaded 12
 848   _name 13
 849   _droptarget 14
 850   _url 15
 851   _highquality 16
 852   _focusrect 17
 853   _soundbuftime 18
 854   _quality* 19
 855   _xmouse* 20
 856   _ymouse* 21
 857 */