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