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 #define MAX_LOOKUP 1024   // make cross references in dumps
  17
  18 struct Action
  19 {
  20     int version;
  21     char*name;
  22     U8 op;
  23     char*flags;
  24 } static actions[] =
  25 {
  26 /*
  27 f: frame (word)
  28 u: url (string)
  29 t: target (string)
  30 l: label (string)
  31 C: constant pool header (byte)
  32 c: constant pool entry (string)
  33 s: skip (byte) (number of actions)
  34 m: method (byte) swf_GetUrl2:(0=none, 1=get, 2=post)/GotoFrame2:(1=play)
  35 b: branch (word) (number of bytes)
  36 p (push): type(byte), type=0:string, type=1:double
  37 {: define function (name (string), num (word), params (num strings), codesize (word)
  38 o: codesize (word) object (string)
  39 r: register (byte)
  40  */
  41 {3,"End", 0x00, ""},
  42 {3,"GotoFrame", 0x81, "f"},
  43 {4,"GotoFrame2", 0x9f, "m"}, // -1 (/Movieclip:3)
  44 {3,"GetUrl", 0x83, "ul"},
  45 {4,"GetUrl2", 0x9a, "m"}, //-2
  46 {3,"NextFrame", 0x04, ""},
  47 {3,"PreviousFrame", 0x05, ""},
  48 {3,"Play", 0x06, ""},
  49 {3,"Stop", 0x07, ""},
  50 {3,"ToggleQuality", 0x08, ""},
  51 {3,"StopSounds", 0x09, ""},
  52 {3,"WaitForFrame", 0x8a, "fs"},
  53 {4,"WaitForFrame2", 0x8d, "s"}, // -1
  54 {3,"SetTarget", 0x8b, "t"},
  55 {4,"SetTarget2", 0x20, ""}, //-1
  56 {3,"GotoLabel", 0x8c, "l"},
  57 {4,"Add", 0x0a, ""}, //  -2, +1
  58 {4,"Multiply", 0x0c, ""}, //  -2, +1
  59 {4,"Divide", 0x0d, ""}, //  -2, +1
  60 {4,"Subtract", 0x0b, ""}, //  -2, +1
  61 {4,"Less", 0x0f, ""}, //  -2, +1
  62 {4,"Equals", 0x0e, ""}, //  -2, +1
  63 {4,"And", 0x10, ""}, //  -2, +1
  64 {4,"Or", 0x11, ""}, //  -2, +1
  65 {4,"Not", 0x12, ""}, //  -1, +1
  66 {4,"StringAdd", 0x21, ""}, // -2,+1
  67 {4,"StringLength", 0x14, ""}, // -1, +1
  68 {4,"MBStringLength", 0x31, ""}, // -1, +1
  69 {4,"StringEquals", 0x13, ""}, // -2, +1
  70 {4,"StringLess", 0x29, ""}, //-2, +1
  71 {4,"StringExtract", 0x15, ""}, // -3, +1
  72 {4,"MBStringExtract", 0x35, ""}, //-3 +1
  73 {4,"Push", 0x96, "p"}, //  +1
  74 {4,"Pop", 0x17, ""}, //  -1
  75 {4,"ToInteger", 0x18, ""}, // -1, +1
  76 {4,"CharToAscii", 0x32, ""}, // -1, +1
  77 {4,"AsciiToChar", 0x33, ""}, // -1, +1
  78 {4,"MBCharToAscii", 0x36, ""}, // -1, +1
  79 {4,"MBAsciiToChar", 0x37, ""}, // -1, +1
  80 {4,"Jump", 0x99, "b"},
  81 {4,"If", 0x9d, "b"}, // -1
  82 {4,"Call", 0x9e, ""}, //-1 (frame label/number) (high bit is wrong.)
  83 {4,"GetVariable", 0x1c,""}, // -1, +1
  84 {4,"SetVariable", 0x1d,""}, // -2
  85 {4,"GetProperty", 0x22,""}, //-2, +1
  86 {4,"SetProperty", 0x23, ""}, // -3
  87 {4,"RemoveSprite", 0x25, ""}, //-1
  88 {4,"StartDrag", 0x27, ""}, // -2, -1, (-4)
  89 {4,"EndDrag", 0x28, ""},
  90 {4,"CloneSprite", 0x24, ""}, // -3
  91 {4,"Trace", 0x26, ""}, //-1
  92 {4,"GetTime", 0x34, ""}, //+1
  93 {4,"RandomNumber", 0x30, ""}, //-1,+1
  94 {5,"Modulo", 0x3f,""},
  95 {5,"BitAnd", 0x60,""},
  96 {5,"BitLShift", 0x63,""},
  97 {5,"BitOr", 0x61,""},
  98 {5,"BitRShift", 0x64,""},
  99 {5,"BitURShift", 0x65,""},
 100 {5,"BitXor", 0x62,""},//66?
 101 {5,"Decrement", 0x51,""},
 102 {5,"Increment", 0x50,""},
 103 {5,"PushDuplicate", 0x4c,""},
 104 {5,"StackSwap", 0x4d,""}, //?
 105 {5,"StoreRegister", 0x87,"r"},
 106 {5,"CallFunction", 0x3d,""},
 107 {5,"DefineFunction", 0x9b, "{"},
 108 {5,"Return", 0x3e,""},
 109 {5,"GetMember", 0x4e,""},
 110 {5,"SetMember", 0x4f,""},
 111 {5,"CallMethod", 0x52,""},
 112 {5,"Constantpool", 0x88, "Cc"},
 113 {5,"DefineLocal", 0x3c,""},
 114 {5,"DefineLocal2", 0x41,""},
 115 {5,"Makehash", 0x43, ""}, //??
 116 {5,"Delete", 0x3a,""}, //?
 117 {5,"Delete2", 0x3b,""},
 118 {5,"Enumerate", 0x46,""},
 119 {5,"Equals2", 0x49,""},
 120 {5,"InitArray", 0x42,""}, // InitObject?
 121 {5,"NewMethod", 0x53,""}, //?
 122 {5,"NewObject", 0x40,""},
 123 {5,"TargetPath", 0x45,""}, //?
 124 {5,"With", 0x94, "o"},
 125 {5,"ToNumber", 0x4a,""}, //?
 126 {5,"ToString", 0x4b,""}, //?
 127 {5,"TypeOf", 0x44,""},
 128 {5,"Add2", 0x47,""},
 129 {5,"Less2", 0x48,""},
 130 {5/*6?*/,"Less3?", 0x67,""},
 131 {5/*6?*/,"GetMembers?", 0x55,""}
 132 };
 133 static int definedactions = sizeof(actions)/sizeof(struct Action);
 134
 135 ActionTAG* swf_ActionGet(TAG*tag)
 136 {
 137     U8 op = 1;
 138     int length;
 139     ActionTAG tmp;
 140     ActionTAG*action = &tmp;
 141     U8*data;
 142     while(op)
 143     {
 144         action->next = (ActionTAG*)malloc(sizeof(ActionTAG));
 145         action->next->prev = action;
 146         action->next->next = 0;
 147         action = action->next;
 148
 149         op = swf_GetU8(tag);
 150         if(op<0x80)
 151             length = 0;
 152         else
 153             length = swf_GetU16(tag);
 154
 155         if(length) {
 156             data = malloc(length);
 157             swf_GetBlock(tag, data, length);
 158         } else {
 159           data = 0;
 160         }
 161         action->op = op;
 162         action->len = length;
 163         action->data = data;
 164     }
 165     return tmp.next;
 166 }
 167
 168 void swf_ActionFree(ActionTAG*action)
 169 {
 170     while(action)
 171     {
 172         ActionTAG*tmp;
 173         if(action->data && action->data != action->tmp)
 174             free(action->data);
 175
 176         tmp = action;
 177         action=action->next;
 178         free(tmp);
 179     }
 180 }
 181
 182 void swf_ActionSet(TAG*tag, ActionTAG*action)
 183 {
 184     action=action->parent;
 185     while(action)
 186     {
 187         swf_SetU8(tag, action->op);
 188         if(action->op & 128)
 189           swf_SetU16(tag, action->len);
 190
 191         swf_SetBlock(tag, action->data, action->len);
 192
 193         action = action->next;
 194     }
 195 }
 196
 197 int OpAdvance(char c, U8*data)
 198 {
 199     switch (c)
 200     {
 201         case 'f':
 202             return 2;
 203         case 'u':
 204             return strlen(data)+1;
 205         case 't':
 206             return strlen(data)+1;
 207         case 'l':
 208             return strlen(data)+1;
 209         case 'c':
 210             return strlen(data)+1;
 211         case 'C':
 212             return 2;
 213         case 's':
 214             return 1;
 215         case 'm':
 216             return 1;
 217         case 'b':
 218             return 2;
 219         case 'r':
 220             return 1;
 221         case 'p': {
 222             U8 type = *data++;
 223             if(type == 0) {
 224                 return 1+strlen(data)+1; //string
 225             } else if (type == 1) {
 226                 return 1+4; //float
 227             } else if (type == 2) {
 228                 return 1+0; //NULL
 229             } else if (type == 4) {
 230                 return 1+1; //register
 231             } else if (type == 5) {
 232                 return 1+1; //bool
 233             } else if (type == 6) {
 234                 return 1+8; //double
 235             } else if (type == 7) {
 236                 return 1+4; //int
 237             } else if (type == 8) {
 238                 return 1+1; //lookup
 239             } else return 1;
 240             break;
 241         }
 242         case 'o': {
 243             return 2;
 244         }
 245         case '{': {
 246             U16 num;
 247             U16 codesize;
 248             U8* odata = data;
 249             int t;
 250             while(*data++); //name
 251             num = (*data++)*256; //num
 252             num += (*data++);
 253             for(t=0;t<num;t++)
 254                 while(*data++); //param
 255             codesize = (*data++)*256; //num
 256             codesize += (*data++);
 257             return data-odata;
 258         }
 259     }
 260     return 0;
 261 }
 262 #define ATAG_FULLLENGTH(atag) ((atag)->len + 1 + ((atag)->op&0x80?2:0))
 263 #define MAX_LEVELS 16
 264 /* TODO: * this should be in swfdump.c */
 265 void swf_DumpActions(ActionTAG*atag, char*prefix)
 266 {
 267     int t;
 268     U8*data;
 269     char* cp;
 270     int entry = 0;
 271     char spaces[MAX_LEVELS*4+1];
 272     struct {
 273         char*text;
 274         int count;
 275     } counter[MAX_LEVELS];
 276     int countpos = 0;
 277 #ifdef MAX_LOOKUP
 278     char * lookup[MAX_LOOKUP];
 279     memset(lookup,0x00,sizeof(lookup));
 280 #endif
 281     memset(spaces, 32, sizeof(spaces));
 282     spaces[sizeof(spaces)-1] = 0;
 283
 284    if (!prefix)
 285         prefix="";
 286
 287     while(atag)
 288     {
 289         char*indent = &spaces[sizeof(spaces)-1-countpos*4];
 290         U8 poollen = 0;
 291         for(t=0;t<definedactions;t++)
 292             if(actions[t].op == atag->op)
 293                 break;
 294
 295         if(t==definedactions) {
 296             printf("%s (%5d bytes) action:%s unknown[%02x]", prefix, atag->len, indent, atag->op);
 297         } else {
 298             printf("%s (%5d bytes) action:%s %s", prefix, atag->len, indent, actions[t].name);
 299         }
 300         data = atag->data;
 301         if(atag->len && t!=definedactions) //TODO: check for consistency: should we have a length?
 302         {
 303           cp = actions[t].flags;
 304           while(*cp)
 305           {
 306               switch(*cp)
 307               {
 308                   case 'f': { //frame
 309                       printf(" %d", data[0]+256*data[1]);
 310                   } break;
 311                   case 'u': {
 312                       printf(" URL:\"%s\"", data);
 313                   } break;
 314                   case 't': {
 315                       printf(" Target:\"%s\"", data);
 316                   } break;
 317                   case 'l': {
 318                       printf(" Label:\"%s\"", data);
 319                   } break;
 320                   case 'c': {
 321                       printf(" String:\"%s\"", data);
 322 #ifdef MAX_LOOKUP
 323                       if (entry<MAX_LOOKUP)
 324                         lookup[entry++] = strdup(data);
 325 #endif
 326                   } break;
 327                   case 'C': {
 328                       poollen = *data;
 329                       entry = 0;
 330                       printf("(%d entries)", poollen);
 331                   } break;
 332                   case 's': {
 333                       printf(" +%d", *data);
 334                   } break;
 335                   case 'm': {
 336                       //m: method (byte) url:(0=none, 1=get, 2=datat)/gf2:(1=play)
 337                       printf(" %d", *data);
 338                   } break;
 339                   case '{': {
 340                       U16 num;
 341                       U16 codesize;
 342                       int s = 0;
 343                       int t;
 344                       printf(" %s(", data);
 345                       while(data[s++]); //name
 346                       num = (data[s++]); //num
 347                       num += (data[s++])*256;
 348                       for(t=0;t<num;t++) {
 349                           printf("%s",data);
 350                           if(t<num-1)
 351                               printf(", ");
 352                           while(data[s++]); //param
 353                       }
 354                       printf(")");
 355                       codesize = (data[s++]); //num
 356                       codesize += (data[s++])*256;
 357                       printf(" codesize:%d ",codesize);
 358                       printf("\n%s                       %s{", prefix, indent);
 359                       if(countpos>=15) {
 360                           printf("Error: nested too deep\n");
 361                           continue;
 362                       }
 363                       counter[countpos].text = "}";
 364                       counter[countpos].count = codesize + ATAG_FULLLENGTH(atag);
 365                       countpos++;
 366                   } break;
 367                   case 'o': {
 368                       int t;
 369                       U16 codesize = data[0]+256*data[1];
 370                       printf(" codesize:%d ", codesize);
 371
 372                       /* the following tries to find the "string"
 373                          the flash documentation speaks of- I've
 374                          never actually seen one yet. -mk */
 375                       for(t=2;t<atag->len;t++)
 376                           printf("[%02x]", atag->data[t]);
 377
 378                       printf("\n%s                       %s{", prefix, indent);
 379                       if(countpos>=15) {
 380                           printf("Error: nested too deep\n");
 381                           continue;
 382                       }
 383                       counter[countpos].text = "}";
 384                       counter[countpos].count = codesize + ATAG_FULLLENGTH(atag);
 385                       countpos++;
 386                   } break;
 387                   case 'b': {
 388                       printf(" %d", data[0]+256*(signed char)data[1]);
 389                   } break;
 390                   case 'r': {
 391                       printf(" %d", data[0]);
 392                   } break;
 393                   case 'p': {
 394                       U8 type = *data;
 395                       unsigned char*value = data+1;
 396                       if(type == 0) {
 397                           printf(" String:\"%s\"", value);
 398                       } else if (type == 1) {
 399                           U32 f = value[0]+(value[1]<<8)+
 400                                   (value[2]<<16)+(value[3]<<24);
 401                           printf(" Float:%f", *(float*)&f);
 402                       } else if (type == 2) {
 403                           printf(" NULL");
 404                       } else if (type == 4) {
 405                           printf(" register:%d", *value);
 406                       } else if (type == 5) {
 407                           printf(" bool:%s", *value?"true":"false");
 408                       } else if (type == 6) {
 409                           U8 a[8];
 410                           int t;
 411                           memcpy(&a[4],value,4);
 412                           memcpy(a,&value[4],4);
 413 #ifdef WORDS_BIGENDIAN
 414                           for(t=0;t<4;t++) {
 415                               U8 tmp = a[t];
 416                               a[t]=a[7-t];
 417                               a[7-t] = tmp;
 418                           }
 419 #endif
 420                           printf(" double:%f", *(double*)a);
 421                       } else if (type == 7) {
 422                           printf(" int:%d", value[0]+(value[1]<<8)+
 423                                             (value[2]<<16)+(value[3]<<24));
 424                       } else if (type == 8) {
 425                           printf(" Lookup:%d", *value);
 426 #ifdef MAX_LOOKUP
 427                           if (lookup[*value])
 428                             printf(" (\"%s\")",lookup[*value]);
 429 #endif
 430                       } else {
 431                           printf(" UNKNOWN[%02x]",type);
 432                       }
 433                   } break;
 434               }
 435               data += OpAdvance(*cp, data);
 436               if((*cp!='c' || !poollen) &&
 437                  (*cp!='p' || !(data<&atag->data[atag->len])))
 438                   cp++;
 439               if(poollen)
 440                   poollen--;
 441           }
 442         }
 443
 444         if(data < atag->data + atag->len)
 445         {
 446             int nl = ((atag->data+atag->len)-data);
 447             int t;
 448             printf(" (remainder of %d bytes:\"", nl);
 449             for(t=0;t<nl;t++) {
 450                 if(data[t]<32)
 451                     printf("\\%d",data[t]);
 452                 else
 453                     printf("%c", data[t]);
 454             }
 455             printf("\")");
 456         }
 457         printf("\n");
 458
 459         for(t=0;t<countpos;t++) {
 460             counter[t].count -= ATAG_FULLLENGTH(atag);
 461             if(counter[t].count < 0) {
 462                 printf("===== Error: Oplength errors =====\n");
 463                 countpos = 0;
 464                 break;
 465             }
 466         }
 467
 468         while(countpos && !counter[countpos-1].count)
 469         {
 470             printf("%s                   %s%s\n",
 471                 prefix, indent, counter[countpos-1].text);
 472             indent += 4;
 473             countpos--;
 474         }
 475
 476         atag = atag->next;
 477     }
 478
 479 #ifdef MAX_LOOKUP
 480   for (t=0;t<MAX_LOOKUP;t++) if (lookup[t]) free(lookup[t]);
 481 #endif
 482 }
 483
 484 static const char TYPE_URL = 1;
 485 static const char TYPE_TARGET = 2;
 486 static const char TYPE_STRING = 4;
 487
 488 int swf_ActionEnumerate(ActionTAG*atag, char*(*callback)(char*), int type)
 489 {
 490     int t;
 491     U8*data;
 492     char* cp;
 493     int count = 0;
 494     while(atag)
 495     {
 496         U8 poollen = 0;
 497         for(t=0;t<definedactions;t++)
 498             if(actions[t].op == atag->op)
 499                 break;
 500
 501         if(t==definedactions) {
 502             // unknown actiontag
 503             atag = atag->next;
 504             count++;
 505             continue;
 506         }
 507         cp = actions[t].flags;
 508         data = atag->data;
 509         if(atag->len) {
 510             while(*cp) {
 511                 U8 * replacepos = 0;
 512                 int replacelen = 0;
 513                 U8 * replacement = 0;
 514                 switch(*cp)
 515                 {
 516                     case 'u': {
 517                         if(type&TYPE_URL)
 518                         {
 519                             replacelen = strlen(data);
 520                             replacepos = data;
 521                             replacement = callback(data); // may be null
 522                         }
 523                     } break;
 524                     case 't': {
 525                         if(type&TYPE_TARGET)
 526                         {
 527                             replacelen = strlen(data);
 528                             replacepos = data;
 529                             replacement = callback(data); // may be null
 530                         }
 531                     } break;
 532                     case 'c': {
 533                         if(type&TYPE_STRING)
 534                         {
 535                             replacelen = strlen(data);
 536                             replacepos = data;
 537                             replacement = callback(data); // may be null
 538                         }
 539                     } break;
 540                     case 'C': {
 541                         poollen = (*data);
 542                     } break;
 543                     case 'o': {
 544                     } break;
 545                     case 'p': {
 546                         U8 datatype = *data;
 547                         char*value = &data[1];
 548                         if(datatype == 0) { //string
 549                             if(type&TYPE_STRING)
 550                             {
 551                                 replacelen = strlen(value);
 552                                 replacepos = value;
 553                                 replacement = callback(value); // may be null
 554                             }
 555                         } else if (datatype == 8) { //lookup
 556                         }
 557                     } break;
 558                 }
 559                 data += OpAdvance(*cp, data);
 560                 if(*cp!='c' || !poollen)
 561                     cp++;
 562                 if(poollen)
 563                     poollen--;
 564
 565                 if(replacement)
 566                 {
 567                     int newlen = strlen(replacement);
 568                     char * newdata = malloc(atag->len - replacelen + newlen);
 569                     int rpos = replacepos - atag->data;
 570                     memcpy(newdata, atag->data, rpos);
 571                     memcpy(&newdata[rpos], replacement, newlen);
 572                     memcpy(&newdata[rpos+newlen], &replacepos[replacelen],
 573                             &data[atag->len] - &replacepos[replacelen]);
 574                     free(atag->data);
 575                     atag->data = newdata;
 576                     data = &atag->data[rpos+newlen+1];
 577                 }
 578             }
 579         }
 580         atag = atag->next;
 581         count ++;
 582     }
 583     return count;
 584 }
 585
 586 void swf_ActionEnumerateTargets(ActionTAG*atag, char*(*callback)(char*))
 587 {
 588     swf_ActionEnumerate(atag, callback, TYPE_TARGET);
 589 }
 590 void swf_ActionEnumerateStrings(ActionTAG*atag, char*(*callback)(char*))
 591 {
 592     swf_ActionEnumerate(atag, callback, TYPE_STRING);
 593 }
 594 void swf_ActionEnumerateURLs(ActionTAG*atag, char*(*callback)(char*))
 595 {
 596     swf_ActionEnumerate(atag, callback, TYPE_URL);
 597 }
 598
 599 /*static ActionTAG* swf_ActionStart()
 600 {
 601     ActionTAG*atag;
 602     atag = (ActionTAG*)malloc(sizeof(ActionTAG));
 603     atag->prev = 0;
 604     atag->next = 0;
 605     atag->parent = 0;
 606     atag->data = 0;
 607     atag->len = 0;
 608     return atag;
 609 }
 610
 611 void swf_ActionEnd(ActionTAG* atag)
 612 {
 613     ActionTAG*last;
 614     while(atag) {
 615         last = atag;
 616         atag=atag->next;
 617     }
 618
 619     last->prev->next = 0;
 620     free(last);
 621 }*/
 622
 623 static ActionTAG*lastATAG(ActionTAG*atag)
 624 {
 625     ActionTAG*last;
 626     while(atag) {
 627         last = atag;
 628         atag=atag->next;
 629     }
 630     return last;
 631 }
 632
 633 ActionTAG* swf_AddActionTAG(ActionTAG*atag, U8 op, U8*data, U16 len)
 634 {
 635     ActionTAG*tmp;
 636     tmp = (ActionTAG*)malloc(sizeof(ActionTAG));
 637     tmp->next = 0;
 638     if(atag) {
 639         tmp->prev = atag;
 640         atag->next = tmp;
 641         tmp->parent = atag->parent;
 642     } else {
 643         tmp->prev = 0;
 644         tmp->parent = tmp;
 645     }
 646     if(data || !len)
 647         tmp->data = data;
 648     else
 649         tmp->data = tmp->tmp;
 650
 651     tmp->len = len;
 652     tmp->op = op;
 653     return tmp;
 654 }
 655
 656 ActionMarker action_setMarker(ActionTAG*atag)
 657 {
 658     ActionMarker m;
 659     m.atag = atag;
 660     return m;
 661 }
 662
 663 int inline ActionTagSize(ActionTAG*atag)
 664 {
 665     return (atag->op&0x80)?3+(atag->len):1+0;
 666 }
 667
 668
 669 #define ACTION_END            0x00
 670 #define ACTION_NEXTFRAME      0x04
 671 #define ACTION_PREVIOUSFRAME  0x05
 672 #define ACTION_PLAY           0x06
 673 #define ACTION_STOP           0x07
 674 #define ACTION_TOGGLEQUALITY  0x08
 675 #define ACTION_STOPSOUNDS     0x09
 676 #define ACTION_ADD            0x0a
 677 #define ACTION_SUBTRACT       0x0b
 678 #define ACTION_MULTIPLY       0x0c
 679 #define ACTION_DIVIDE         0x0d
 680 #define ACTION_EQUALS         0x0e
 681 #define ACTION_LESS           0x0f
 682 #define ACTION_AND            0x10
 683 #define ACTION_OR             0x11
 684 #define ACTION_NOT            0x12
 685 #define ACTION_STRINGEQUALS   0x13
 686 #define ACTION_STRINGLENGTH   0x14
 687 #define ACTION_STRINGEXTRACT  0x15
 688 #define ACTION_POP            0x17
 689 #define ACTION_TOINTEGER      0x18
 690 #define ACTION_GETVARIABLE    0x1c
 691 #define ACTION_SETVARIABLE    0x1d
 692 #define ACTION_SETTARGET2     0x20
 693 #define ACTION_STRINGADD      0x21
 694 #define ACTION_GETPROPERTY    0x22
 695 #define ACTION_SETPROPERTY    0x23
 696 #define ACTION_CLONESPRITE    0x24
 697 #define ACTION_REMOVESPRITE   0x25
 698 #define ACTION_TRACE          0x26
 699 #define ACTION_STARTDRAG      0x27
 700 #define ACTION_ENDDRAG        0x28
 701 #define ACTION_STRINGLESS     0x29
 702 #define ACTION_RANDOMNUMBER   0x30
 703 #define ACTION_MBSTRINGLENGTH 0x31
 704 #define ACTION_CHARTOASCII    0x32
 705 #define ACTION_ASCIITOCHAR    0x33
 706 #define ACTION_GETTIME        0x34
 707 #define ACTION_MBSTRINGEXTRACT 0x35
 708 #define ACTION_MBCHARTOASCII  0x36
 709 #define ACTION_MBASCIITOCHAR  0x37
 710 #define ACTION_DELETE         0x3a
 711 #define ACTION_DELETE2        0x3b
 712 #define ACTION_DEFINELOCAL    0x3c
 713 #define ACTION_CALLFUNCTION   0x3d
 714 #define ACTION_RETURN         0x3e
 715 #define ACTION_MODULO         0x3f
 716 #define ACTION_NEWOBJECT      0x40
 717 #define ACTION_DEFINELOCAL2   0x41
 718 #define ACTION_INITARRAY      0x42
 719 #define ACTION_MAKEHASH       0x43
 720 #define ACTION_TYPEOF         0x44
 721 #define ACTION_TARGETPATH     0x45
 722 #define ACTION_ENUMERATE      0x46
 723 #define ACTION_ADD2           0x47
 724 #define ACTION_LESS2          0x48
 725 #define ACTION_EQUALS2        0x49
 726 #define ACTION_TONUMBER       0x4a
 727 #define ACTION_TOSTRING       0x4b
 728 #define ACTION_PUSHDUPLICATE  0x4c
 729 #define ACTION_STACKSWAP      0x4d
 730 #define ACTION_GETMEMBER      0x4e
 731 #define ACTION_SETMEMBER      0x4f
 732 #define ACTION_INCREMENT      0x50
 733 #define ACTION_DECREMENT      0x51
 734 #define ACTION_CALLMETHOD     0x52
 735 #define ACTION_NEWMETHOD      0x53
 736 #define ACTION_BITAND         0x60
 737 #define ACTION_BITOR          0x61
 738 #define ACTION_BITXOR         0x62
 739 #define ACTION_BITLSHIFT      0x63
 740 #define ACTION_BITRSHIFT      0x64
 741 #define ACTION_BITURSHIFT     0x65
 742 #define ACTION_GOTOFRAME      0x81
 743 #define ACTION_GETURL         0x83
 744 #define ACTION_STOREREGISTER  0x87
 745 #define ACTION_CONSTANTPOOL   0x88
 746 #define ACTION_WAITFORFRAME   0x8a
 747 #define ACTION_SETTARGET      0x8b
 748 #define ACTION_GOTOLABEL      0x8c
 749 #define ACTION_WAITFORFRAME2  0x8d
 750 #define ACTION_WITH           0x94
 751 #define ACTION_PUSH           0x96
 752 #define ACTION_JUMP           0x99
 753 #define ACTION_GETURL2        0x9a
 754 #define ACTION_DEFINEFUNCTION 0x9b
 755 #define ACTION_IF             0x9d
 756 #define ACTION_CALL           0x9e
 757 #define ACTION_GOTOFRAME2     0x9f
 758
 759 void action_fixjump(ActionMarker m1, ActionMarker m2)
 760 {
 761     ActionTAG* a1 = m1.atag;
 762     ActionTAG* a2 = m2.atag;
 763     ActionTAG* a;
 764     int len = 0;
 765     int oplen = 0;
 766     a = a1;
 767
 768     a = a->next; //first one is free
 769     while(a && a!=a2)
 770     {
 771         len += ActionTagSize(a);
 772         oplen ++;
 773         a = a->next;
 774     }
 775     if(!a)
 776     { len = 0;
 777       oplen = 0;
 778       a = a2;
 779       while(a && a!=a1) {
 780           len -= ActionTagSize(a);
 781           oplen --;
 782           a = a->next;
 783       }
 784       if(!a) {
 785           fprintf(stderr, "action_fixjump: couldn't find second tag\n");
 786           return;
 787       }
 788       len -= ActionTagSize(a);
 789       oplen --;
 790     }
 791
 792     if (a1->op == ACTION_IF || a1->op == ACTION_JUMP)
 793     {
 794         *(U16*)(a1->data) = SWAP16(len);
 795     }
 796     else if(a1->op == ACTION_WAITFORFRAME)
 797     {
 798         ((U8*)(a1->data))[2] = oplen;
 799     }
 800     else if(a1->op == ACTION_WAITFORFRAME2)
 801     {
 802         ((U8*)(a1->data))[0] = oplen;
 803     }
 804
 805 }
 806
 807 ActionTAG* action_NextFrame(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_NEXTFRAME, 0, 0);}
 808 ActionTAG* action_PreviousFrame(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_PREVIOUSFRAME, 0, 0);}
 809 ActionTAG* action_Play(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_PLAY, 0, 0);}
 810 ActionTAG* action_Stop(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_STOP, 0, 0);}
 811 ActionTAG* action_ToggleQuality(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_TOGGLEQUALITY, 0, 0);}
 812 ActionTAG* action_StopSounds(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_STOPSOUNDS, 0, 0);}
 813 ActionTAG* action_Add(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_ADD, 0, 0);}
 814 ActionTAG* action_Subtract(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_SUBTRACT, 0, 0);}
 815 ActionTAG* action_Multiply(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_MULTIPLY, 0, 0);}
 816 ActionTAG* action_Divide(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_DIVIDE, 0, 0);}
 817 ActionTAG* action_Equals(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_EQUALS, 0, 0);}
 818 ActionTAG* action_Less(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_LESS, 0, 0);}
 819 ActionTAG* action_And(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_AND, 0, 0);}
 820 ActionTAG* action_Or(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_OR, 0, 0);}
 821 ActionTAG* action_Not(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_NOT, 0, 0);}
 822 ActionTAG* action_StringEquals(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_STRINGEQUALS, 0, 0);}
 823 ActionTAG* action_StringLength(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_STRINGLENGTH, 0, 0);}
 824 ActionTAG* action_StringExtract(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_STRINGEXTRACT, 0, 0);}
 825 ActionTAG* action_Pop(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_POP, 0, 0);}
 826 ActionTAG* action_ToInteger(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_TOINTEGER, 0, 0);}
 827 ActionTAG* action_GetVariable(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_GETVARIABLE, 0, 0);}
 828 ActionTAG* action_SetVariable(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_SETVARIABLE, 0, 0);}
 829 ActionTAG* action_SetTarget2(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_SETTARGET2, 0, 0);}
 830 ActionTAG* action_StringAdd(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_STRINGADD, 0, 0);}
 831 ActionTAG* action_GetProperty(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_GETPROPERTY, 0, 0);}
 832 ActionTAG* action_SetProperty(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_SETPROPERTY, 0, 0);}
 833 ActionTAG* action_CloneSprite(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_CLONESPRITE, 0, 0);}
 834 ActionTAG* action_RemoveSprite(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_REMOVESPRITE, 0, 0);}
 835 ActionTAG* action_Trace(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_TRACE, 0, 0);}
 836 ActionTAG* action_StartDrag(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_STARTDRAG, 0, 0);}
 837 ActionTAG* action_EndDrag(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_ENDDRAG, 0, 0);}
 838 ActionTAG* action_StringLess(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_STRINGLESS, 0, 0);}
 839 ActionTAG* action_RandomNumber(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_RANDOMNUMBER, 0, 0);}
 840 ActionTAG* action_MBStringLength(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_MBSTRINGLENGTH, 0, 0);}
 841 ActionTAG* action_CharToAscii(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_CHARTOASCII, 0, 0);}
 842 ActionTAG* action_AsciiToChar(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_ASCIITOCHAR, 0, 0);}
 843 ActionTAG* action_GetTime(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_GETTIME, 0, 0);}
 844 ActionTAG* action_MBStringExtract(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_MBSTRINGEXTRACT, 0, 0);}
 845 ActionTAG* action_MBCharToAscii(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_MBCHARTOASCII, 0, 0);}
 846 ActionTAG* action_MBAsciiToChar(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_MBASCIITOCHAR, 0, 0);}
 847 ActionTAG* action_Delete(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_DELETE, 0, 0);}
 848 ActionTAG* action_Delete2(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_DELETE2, 0, 0);}
 849 ActionTAG* action_DefineLocal(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_DEFINELOCAL, 0, 0);}
 850 ActionTAG* action_CallFunction(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_CALLFUNCTION, 0, 0);}
 851 ActionTAG* action_Return(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_RETURN, 0, 0);}
 852 ActionTAG* action_Modulo(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_MODULO, 0, 0);}
 853 ActionTAG* action_NewObject(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_NEWOBJECT, 0, 0);}
 854 ActionTAG* action_DefineLocal2(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_DEFINELOCAL2, 0, 0);}
 855 ActionTAG* action_InitArray(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_INITARRAY, 0, 0);}
 856 ActionTAG* action_Makehash(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_MAKEHASH, 0, 0);}
 857 ActionTAG* action_TypeOf(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_TYPEOF, 0, 0);}
 858 ActionTAG* action_TargetPath(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_TARGETPATH, 0, 0);}
 859 ActionTAG* action_Enumerate(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_ENUMERATE, 0, 0);}
 860 ActionTAG* action_Add2(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_ADD2, 0, 0);}
 861 ActionTAG* action_Less2(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_LESS2, 0, 0);}
 862 ActionTAG* action_Equals2(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_EQUALS2, 0, 0);}
 863 ActionTAG* action_ToNumber(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_TONUMBER, 0, 0);}
 864 ActionTAG* action_ToString(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_TOSTRING, 0, 0);}
 865 ActionTAG* action_PushDuplicate(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_PUSHDUPLICATE, 0, 0);}
 866 ActionTAG* action_StackSwap(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_STACKSWAP, 0, 0);}
 867 ActionTAG* action_GetMember(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_GETMEMBER, 0, 0);}
 868 ActionTAG* action_SetMember(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_SETMEMBER, 0, 0);}
 869 ActionTAG* action_Increment(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_INCREMENT, 0, 0);}
 870 ActionTAG* action_Decrement(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_DECREMENT, 0, 0);}
 871 ActionTAG* action_CallMethod(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_CALLMETHOD, 0, 0);}
 872 ActionTAG* action_NewMethod(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_NEWMETHOD, 0, 0);}
 873 ActionTAG* action_BitAnd(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_BITAND, 0, 0);}
 874 ActionTAG* action_BitOr(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_BITOR, 0, 0);}
 875 ActionTAG* action_BitXor(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_BITXOR, 0, 0);}
 876 ActionTAG* action_BitLShift(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_BITLSHIFT, 0, 0);}
 877 ActionTAG* action_BitRShift(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_BITRSHIFT, 0, 0);}
 878 ActionTAG* action_BitURShift(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_BITURSHIFT, 0, 0);}
 879 ActionTAG* action_Call(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_CALL, 0, 0);}
 880 ActionTAG* action_End(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_END, 0, 0);}
 881 ActionTAG* action_GotoFrame(ActionTAG*atag, U16 frame)
 882 {
 883     atag = swf_AddActionTAG(atag, ACTION_GOTOFRAME, 0, 2);
 884     *(U16*)atag->tmp = SWAP16(frame);
 885     return atag;
 886 }
 887
 888 ActionTAG* action_Jump(ActionTAG*atag, U16 branch)
 889 {
 890     atag = swf_AddActionTAG(atag, ACTION_JUMP, 0, 2);
 891     *(U16*)atag->tmp = SWAP16(branch);
 892     return atag;
 893 }
 894 ActionTAG* action_If(ActionTAG*atag, U16 branch)
 895 {
 896     atag = swf_AddActionTAG(atag, ACTION_IF, 0, 2);
 897     *(U16*)atag->tmp = SWAP16(branch);
 898     return atag;
 899 }
 900 ActionTAG* action_StoreRegister(ActionTAG*atag, U8 reg)
 901 {
 902     atag = swf_AddActionTAG(atag, ACTION_STOREREGISTER, 0, 1);
 903     *(U8*)atag->tmp = reg;
 904     return atag;
 905 }
 906 ActionTAG* action_GotoFrame2(ActionTAG*atag, U8 method)
 907 {
 908     atag = swf_AddActionTAG(atag, ACTION_GOTOFRAME2, 0, 1);
 909     *(U8*)atag->tmp = method;
 910     return atag;
 911 }
 912 ActionTAG* action_GetUrl2(ActionTAG*atag, U8 method)
 913 {
 914     atag = swf_AddActionTAG(atag, ACTION_GETURL2, 0, 1);
 915     *(U8*)atag->tmp = method;
 916     return atag;
 917 }
 918 ActionTAG* action_WaitForFrame2(ActionTAG*atag, U8 skip)
 919 {
 920     atag = swf_AddActionTAG(atag, ACTION_WAITFORFRAME2, 0, 1);
 921     *(U8*)atag->tmp = skip;
 922     return atag;
 923 }
 924 ActionTAG* action_WaitForFrame(ActionTAG*atag, U16 frame, U8 skip)
 925 {
 926     atag = swf_AddActionTAG(atag, ACTION_WAITFORFRAME, 0, 3);
 927     *(U16*)atag->tmp = SWAP16(frame);
 928     *(U8*)&atag->tmp[2] = skip;
 929     return atag;
 930 }
 931 ActionTAG* action_SetTarget(ActionTAG*atag, char* target)
 932 {
 933     char*ptr = strdup(target);
 934     return swf_AddActionTAG(atag, ACTION_SETTARGET, (U8*)ptr, strlen(ptr)+1);
 935 }
 936 ActionTAG* action_PushNULL(ActionTAG*atag)
 937 {
 938     atag = swf_AddActionTAG(atag, ACTION_PUSH, 0, 1);
 939     *(U8*)atag->tmp = 2; //NULL
 940     return atag;
 941 }
 942 ActionTAG* action_PushBoolean(ActionTAG*atag, char c)
 943 {
 944     atag = swf_AddActionTAG(atag, ACTION_PUSH, 0, 2);
 945     *(U8*)atag->tmp = 5; //bool
 946     *(U8*)&atag->tmp[1] = c;
 947     return atag;
 948 }
 949 ActionTAG* action_PushRegister(ActionTAG*atag, U8 reg)
 950 {
 951     atag = swf_AddActionTAG(atag, ACTION_PUSH, 0, 2);
 952     *(U8*)atag->tmp = 4; //register
 953     *(U8*)&atag->tmp[1] = reg;
 954     return atag;
 955 }
 956 ActionTAG* action_PushLookup(ActionTAG*atag, U8 index)
 957 {
 958     atag = swf_AddActionTAG(atag, ACTION_PUSH, 0, 2);
 959     *(U8*)atag->tmp = 8; //lookup
 960     *(U8*)&atag->tmp[1] = index;
 961     return atag;
 962 }
 963 ActionTAG* action_PushString(ActionTAG*atag, char*str)
 964 {
 965     int l = strlen(str);
 966     char*ptr = (char*)malloc(l+2);
 967     ptr[0] = 0; // string
 968     strcpy(&ptr[1], str);
 969     return swf_AddActionTAG(atag, ACTION_PUSH, (U8*)ptr, l+2);
 970 }
 971 ActionTAG* action_PushFloat(ActionTAG*atag, float f)
 972 {
 973     char*ptr = (char*)malloc(5);
 974     U32 fd = *(U32*)&f;
 975     ptr[0] = 1; //float
 976     ptr[1]  = fd;
 977     ptr[2]  = fd>>8;
 978     ptr[3]  = fd>>16;
 979     ptr[4]  = fd>>24;
 980     return swf_AddActionTAG(atag, ACTION_PUSH, (U8*)ptr, 5);
 981 }
 982 ActionTAG* action_PushDouble(ActionTAG*atag, double d)
 983 {
 984     char*ptr = (char*)malloc(9);
 985     U8*dd = (U8*)&d;
 986     ptr[0] = 6; //double
 987 #ifdef WORDS_BIGENDIAN
 988     ptr[1] = dd[7];ptr[2] = dd[6];
 989     ptr[3] = dd[5];ptr[4] = dd[4];
 990     ptr[5] = dd[3];ptr[6] = dd[2];
 991     ptr[7] = dd[1];ptr[8] = dd[0];
 992 #else
 993     ptr[1] = dd[0];ptr[2] = dd[1];
 994     ptr[3] = dd[2];ptr[4] = dd[3];
 995     ptr[5] = dd[4];ptr[6] = dd[5];
 996     ptr[7] = dd[6];ptr[8] = dd[7];
 997 #endif
 998     return swf_AddActionTAG(atag, ACTION_PUSH, (U8*)ptr, 9);
 999 }
1000 ActionTAG* action_PushInt(ActionTAG*atag, int i)
1001 {
1002     atag = swf_AddActionTAG(atag, ACTION_PUSH, 0, 5);
1003     *(U8*)atag->tmp = 7; //int
1004     atag->tmp[1] = i;
1005     atag->tmp[2] = i>>8;
1006     atag->tmp[3] = i>>16;
1007     atag->tmp[4] = i>>24;
1008     return atag;
1009 }
1010 ActionTAG* action_GotoLabel(ActionTAG*atag, char* label)
1011 {
1012     char*ptr = strdup(label);
1013     return swf_AddActionTAG(atag, ACTION_GOTOLABEL, (U8*)ptr, strlen(ptr));
1014 }
1015 ActionTAG* action_GetUrl(ActionTAG*atag, char* url, char* label)
1016 {
1017     int l1= strlen(url);
1018     int l2= strlen(label);
1019     char*ptr = malloc(l1+l2+2);
1020     strcpy(ptr, url);
1021     strcpy(&ptr[l1+1], label);
1022     return swf_AddActionTAG(atag, ACTION_GETURL, ptr, l1+l2+2);
1023 }
1024 //TODO:
1025 ActionTAG* action_DefineFunction(ActionTAG*atag, U8*data, int len) {return atag;}
1026 ActionTAG* action_Constantpool(ActionTAG*atag, char* constantpool) {return atag;}
1027 ActionTAG*  action_With(ActionTAG*atag, char*object) {return atag;}
1028
1029 /*
1030   Properties:
1031
1032   _X 0
1033   _Y 1
1034   _xscale 2
1035   _yscale 3
1036   _currentframe 4
1037   _totalframes 5
1038   _alpha 6
1039   _visible 7
1040   _width 8
1041   _height 9
1042   _rotation 10
1043   _target 11
1044   _framesloaded 12
1045   _name 13
1046   _droptarget 14
1047   _url 15
1048   _highquality 16
1049   _focusrect 17
1050   _soundbuftime 18
1051   _quality* 19
1052   _xmouse* 20
1053   _ymouse* 21
1054 */