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 program is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 2 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program; if not, write to the Free Software
  22    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
  23
  24 #include "../rfxswf.h"
  25
  26 #define MAX_LOOKUP 1024   // make cross references in dumps
  27
  28 struct Action
  29 {
  30     int version;
  31     char*name;
  32     U8 op;
  33     char*flags;
  34 } static actions[] =
  35 {
  36 /*
  37 f: frame (word)
  38 u: url (string)
  39 t: target (string)
  40 l: label (string)
  41 C: constant pool header (word)
  42 c: constant pool entry (string)
  43 s: skip (byte) (number of actions)
  44 m: method (byte) swf_GetUrl2:(0=none, 1=get, 2=post)/GotoFrame2:(1=play)
  45 b: branch (word) (number of bytes)
  46 p (push): type(byte), type=0:string, type=1:double
  47 {: define function (name (string), num (word), params (num strings), codesize (word)
  48 o: codesize (word) object (string)
  49 r: register (byte)
  50  */
  51 {3,"End", 0x00, ""},
  52 {3,"GotoFrame", 0x81, "f"},
  53 {4,"GotoFrame2", 0x9f, "m"}, // -1 (/Movieclip:3)
  54 {3,"GetUrl", 0x83, "ul"},
  55 {4,"GetUrl2", 0x9a, "m"}, //-2
  56 {3,"NextFrame", 0x04, ""},
  57 {3,"PreviousFrame", 0x05, ""},
  58 {3,"Play", 0x06, ""},
  59 {3,"Stop", 0x07, ""},
  60 {3,"ToggleQuality", 0x08, ""},
  61 {3,"StopSounds", 0x09, ""},
  62 {3,"WaitForFrame", 0x8a, "fs"},
  63 {4,"WaitForFrame2", 0x8d, "s"}, // -1
  64 {3,"SetTarget", 0x8b, "t"},
  65 {4,"SetTarget2", 0x20, ""}, //-1
  66 {3,"GotoLabel", 0x8c, "l"},
  67 {4,"Add", 0x0a, ""}, //  -2, +1
  68 {4,"Multiply", 0x0c, ""}, //  -2, +1
  69 {4,"Divide", 0x0d, ""}, //  -2, +1
  70 {4,"Subtract", 0x0b, ""}, //  -2, +1
  71 {4,"Less", 0x0f, ""}, //  -2, +1
  72 {4,"Equals", 0x0e, ""}, //  -2, +1
  73 {4,"And", 0x10, ""}, //  -2, +1
  74 {4,"Or", 0x11, ""}, //  -2, +1
  75 {4,"Not", 0x12, ""}, //  -1, +1
  76 {4,"StringAdd", 0x21, ""}, // -2,+1
  77 {4,"StringLength", 0x14, ""}, // -1, +1
  78 {4,"MBStringLength", 0x31, ""}, // -1, +1
  79 {4,"StringEquals", 0x13, ""}, // -2, +1
  80 {4,"StringLess", 0x29, ""}, //-2, +1
  81 {4,"StringExtract", 0x15, ""}, // -3, +1
  82 {4,"MBStringExtract", 0x35, ""}, //-3 +1
  83 {4,"Push", 0x96, "p"}, //  +1
  84 {4,"Pop", 0x17, ""}, //  -1
  85 {4,"ToInteger", 0x18, ""}, // -1, +1
  86 {4,"CharToAscii", 0x32, ""}, // -1, +1
  87 {4,"AsciiToChar", 0x33, ""}, // -1, +1
  88 {4,"MBCharToAscii", 0x36, ""}, // -1, +1
  89 {4,"MBAsciiToChar", 0x37, ""}, // -1, +1
  90 {4,"Jump", 0x99, "b"},
  91 {4,"If", 0x9d, "b"}, // -1
  92 {4,"Call", 0x9e, ""}, //-1 (frame label/number) (high bit is wrong.)
  93 {4,"GetVariable", 0x1c,""}, // -1, +1
  94 {4,"SetVariable", 0x1d,""}, // -2
  95 {4,"GetProperty", 0x22,""}, //-2, +1
  96 {4,"SetProperty", 0x23, ""}, // -3
  97 {4,"RemoveSprite", 0x25, ""}, //-1
  98 {4,"StartDrag", 0x27, ""}, // -2, -1, (-4)
  99 {4,"EndDrag", 0x28, ""},
 100 {4,"CloneSprite", 0x24, ""}, // -3
 101 {4,"Trace", 0x26, ""}, //-1
 102 {4,"GetTime", 0x34, ""}, //+1
 103 {4,"RandomNumber", 0x30, ""}, //-1,+1
 104 {5,"Modulo", 0x3f,""},
 105 {5,"BitAnd", 0x60,""},
 106 {5,"BitLShift", 0x63,""},
 107 {5,"BitOr", 0x61,""},
 108 {5,"BitRShift", 0x64,""},
 109 {5,"BitURShift", 0x65,""},
 110 {5,"BitXor", 0x62,""},//66?
 111 {5,"Decrement", 0x51,""},
 112 {5,"Increment", 0x50,""},
 113 {5,"PushDuplicate", 0x4c,""},
 114 {5,"StackSwap", 0x4d,""}, //?
 115 {5,"StoreRegister", 0x87,"r"},
 116 {5,"CallFunction", 0x3d,""},
 117 {5,"DefineFunction", 0x9b, "{"},
 118 {5,"Return", 0x3e,""},
 119 {5,"GetMember", 0x4e,""},
 120 {5,"SetMember", 0x4f,""},
 121 {5,"CallMethod", 0x52,""},
 122 {5,"Constantpool", 0x88, "Cc"},
 123 {5,"DefineLocal", 0x3c,""},
 124 {5,"DefineLocal2", 0x41,""},
 125 {5,"Makehash", 0x43, ""}, //??
 126 {5,"Delete", 0x3a,""}, //?
 127 {5,"Delete2", 0x3b,""},
 128 {5,"Enumerate", 0x46,""},
 129 {5,"Equals2", 0x49,""},
 130 {5,"InitArray", 0x42,""}, // InitObject?
 131 {5,"NewMethod", 0x53,""}, //?
 132 {5,"NewObject", 0x40,""},
 133 {5,"TargetPath", 0x45,""}, //?
 134 {5,"With", 0x94, "o"},
 135 {5,"ToNumber", 0x4a,""}, //?
 136 {5,"ToString", 0x4b,""}, //?
 137 {5,"TypeOf", 0x44,""},
 138 {5,"Add2", 0x47,""},
 139 {5,"Less2", 0x48,""},
 140 {6,"Greater", 0x67,""},
 141 {6,"StringGreater", 0x68,""},
 142 {6,"Enumerate2", 0x55,""},
 143 {6,"InstanceOf", 0x54,""},
 144 {6,"StrictEquals", 0x66,""}
 145 };
 146 static int definedactions = sizeof(actions)/sizeof(struct Action);
 147
 148 ActionTAG* swf_ActionGet(TAG*tag)
 149 {
 150     U8 op = 1;
 151     int length;
 152     ActionTAG tmp;
 153     ActionTAG*action = &tmp;
 154     U8*data;
 155     while(op)
 156     {
 157         action->next = (ActionTAG*)rfx_calloc(sizeof(ActionTAG));
 158         action->next->prev = action;
 159         action->next->next = 0;
 160         action->next->parent = tmp.next;
 161         action = action->next;
 162
 163         op = swf_GetU8(tag);
 164         if(op<0x80)
 165             length = 0;
 166         else
 167             length = swf_GetU16(tag);
 168
 169         if(length) {
 170             data = (U8*)rfx_alloc(length);
 171             swf_GetBlock(tag, data, length);
 172         } else {
 173           data = 0;
 174         }
 175         action->op = op;
 176         action->len = length;
 177         action->data = data;
 178     }
 179     return tmp.next;
 180 }
 181
 182 void swf_ActionFree(ActionTAG*action)
 183 {
 184     if(!action) {
 185         fprintf(stderr, "Warning: freeing zero action");
 186         return;
 187     }
 188     action = action->parent;
 189     if(!action) {
 190         fprintf(stderr, "Warning: freeing zero action (no parent)");
 191         return;
 192     }
 193
 194     while(action)
 195     {
 196         ActionTAG*tmp;
 197         if(action->data && action->data != action->tmp) {
 198             rfx_free(action->data);
 199             action->data = 0;
 200         }
 201         action->len = 0;
 202
 203         tmp = action;
 204         action=action->next;
 205         rfx_free(tmp);
 206     }
 207 }
 208
 209 void swf_ActionSet(TAG*tag, ActionTAG*action)
 210 {
 211     action=action->parent;
 212     while(action)
 213     {
 214         swf_SetU8(tag, action->op);
 215         if(action->op & 128)
 216           swf_SetU16(tag, action->len);
 217
 218         swf_SetBlock(tag, action->data, action->len);
 219
 220         action = action->next;
 221     }
 222 }
 223
 224 int OpAdvance(char c, U8*data)
 225 {
 226     switch (c)
 227     {
 228         case 'f':
 229             return 2;
 230         case 'u':
 231             return strlen((const char*)data)+1;
 232         case 't':
 233             return strlen((const char*)data)+1;
 234         case 'l':
 235             return strlen((const char*)data)+1;
 236         case 'c':
 237             return strlen((const char*)data)+1;
 238         case 'C':
 239             return 2;
 240         case 's':
 241             return 1;
 242         case 'm':
 243             return 1;
 244         case 'b':
 245             return 2;
 246         case 'r':
 247             return 1;
 248         case 'p': {
 249             U8 type = *data++;
 250             if(type == 0) {
 251                 return 1+strlen((const char*)data)+1; //string
 252             } else if (type == 1) {
 253                 return 1+4; //float
 254             } else if (type == 2) {
 255                 return 1+0; //NULL
 256             } else if (type == 3) {
 257                 return 1+0; //Undefined
 258             } else if (type == 4) {
 259                 return 1+1; //register
 260             } else if (type == 5) {
 261                 return 1+1; //bool
 262             } else if (type == 6) {
 263                 return 1+8; //double
 264             } else if (type == 7) {
 265                 return 1+4; //int
 266             } else if (type == 8) {
 267                 return 1+1; //lookup
 268             } else if (type == 9) {
 269                 return 1+2; //lookup 16
 270             } else return 1;
 271             break;
 272         }
 273         case 'o': {
 274             return 2;
 275         }
 276         case '{': {
 277             U16 num;
 278             U16 codesize;
 279             U8* odata = data;
 280             int t;
 281             while(*data++); //name
 282             num = (*data++)*256; //num
 283             num += (*data++);
 284             for(t=0;t<num;t++)
 285                 while(*data++); //param
 286             codesize = (*data++)*256; //num
 287             codesize += (*data++);
 288             return data-odata;
 289         }
 290     }
 291     return 0;
 292 }
 293 #define ATAG_FULLLENGTH(atag) ((atag)->len + 1 + ((atag)->op&0x80?2:0))
 294 #define MAX_LEVELS 16
 295 /* TODO: * this should be in swfdump.c */
 296 void swf_DumpActions(ActionTAG*atag, char*prefix)
 297 {
 298     int t;
 299     U8*data;
 300     char* cp;
 301     int entry = 0;
 302     char spaces[MAX_LEVELS*4+1];
 303     struct {
 304         char*text;
 305         int count;
 306     } counter[MAX_LEVELS];
 307     int countpos = 0;
 308 #ifdef MAX_LOOKUP
 309     char * lookup[MAX_LOOKUP];
 310     memset(lookup,0x00,sizeof(lookup));
 311 #endif
 312     memset(spaces, 32, sizeof(spaces));
 313     spaces[sizeof(spaces)-1] = 0;
 314
 315    if (!prefix)
 316         prefix="";
 317
 318     while(atag)
 319     {
 320         char*indent = &spaces[sizeof(spaces)-1-countpos*4];
 321         U16 poollen = 0;
 322         for(t=0;t<definedactions;t++)
 323             if(actions[t].op == atag->op)
 324                 break;
 325
 326         if(t==definedactions) {
 327             printf("%s (%5d bytes) action:%s unknown[%02x]", prefix, atag->len, indent, atag->op);
 328         } else {
 329             printf("%s (%5d bytes) action:%s %s", prefix, atag->len, indent, actions[t].name);
 330         }
 331         data = atag->data;
 332         if(atag->len && t!=definedactions) //TODO: check for consistency: should we have a length?
 333         {
 334           cp = actions[t].flags;
 335           while(*cp)
 336           {
 337               switch(*cp)
 338               {
 339                   case 'f': { //frame
 340                       printf(" %d", data[0]+256*data[1]);
 341                   } break;
 342                   case 'u': {
 343                       printf(" URL:\"%s\"", data);
 344                   } break;
 345                   case 't': {
 346                       printf(" Target:\"%s\"", data);
 347                   } break;
 348                   case 'l': {
 349                       printf(" Label:\"%s\"", data);
 350                   } break;
 351                   case 'c': {
 352                       printf(" String:\"%s\"", data);
 353 #ifdef MAX_LOOKUP
 354                       if (entry<MAX_LOOKUP)
 355                         lookup[entry++] = strdup((const char*)data);
 356 #endif
 357                   } break;
 358                   case 'C': {
 359                       poollen = data[0]+256*data[1];
 360                       entry = 0;
 361                       printf("(%d entries)", poollen);
 362                   } break;
 363                   case 's': {
 364                       printf(" +%d", *data);
 365                   } break;
 366                   case 'm': {
 367                       //m: method (byte) url:(0=none, 1=get, 2=datat)/gf2:(1=play)
 368                       printf(" %d", *data);
 369                   } break;
 370                   case '{': {
 371                       U16 num;
 372                       U16 codesize;
 373                       int s = 0;
 374                       int t;
 375                       printf(" %s(", data);
 376                       while(data[s++]); //name
 377                       num = (data[s++]); //num
 378                       num += (data[s++])*256;
 379                       for(t=0;t<num;t++) {
 380                           printf("%s",data+s);  // 10/22/04 MD: added +s to
 381                           if(t<num-1)
 382                               printf(", ");
 383                           while(data[s++]); //param
 384                       }
 385                       printf(")");
 386                       codesize = (data[s++]); //num
 387                       codesize += (data[s++])*256;
 388                       printf(" codesize:%d ",codesize);
 389                       printf("\n%s                       %s{", prefix, indent);
 390                       if(countpos>=15) {
 391                           printf("Error: nested too deep\n");
 392                           continue;
 393                       }
 394                       counter[countpos].text = "}";
 395                       counter[countpos].count = codesize + ATAG_FULLLENGTH(atag);
 396                       countpos++;
 397                   } break;
 398                   case 'o': {
 399                       int t;
 400                       U16 codesize = data[0]+256*data[1];
 401                       printf(" codesize:%d ", codesize);
 402
 403                       /* the following tries to find the "string"
 404                          the flash documentation speaks of- I've
 405                          never actually seen one yet. -mk */
 406                       for(t=2;t<atag->len;t++)
 407                           printf("[%02x]", atag->data[t]);
 408
 409                       printf("\n%s                       %s{", prefix, indent);
 410                       if(countpos>=15) {
 411                           printf("Error: nested too deep\n");
 412                           continue;
 413                       }
 414                       counter[countpos].text = "}";
 415                       counter[countpos].count = codesize + ATAG_FULLLENGTH(atag);
 416                       countpos++;
 417                   } break;
 418                   case 'b': {
 419                       printf(" %d", data[0]+256*(signed char)data[1]);
 420                   } break;
 421                   case 'r': {
 422                       printf(" %d", data[0]);
 423                   } break;
 424                   case 'p': {
 425                       U8 type = *data;
 426                       unsigned char*value = data+1;
 427                       if(type == 0) {
 428                           printf(" String:\"%s\"", value);
 429                       } else if (type == 1) {
 430                           U32 f = value[0]+(value[1]<<8)+
 431                                   (value[2]<<16)+(value[3]<<24);
 432                           printf(" Float:%f", *(float*)&f);
 433                       } else if (type == 2) {
 434                           printf(" NULL");
 435                       } else if (type == 3) {
 436                           printf(" Undefined");
 437                       } else if (type == 4) {
 438                           printf(" register:%d", *value);
 439                       } else if (type == 5) {
 440                           printf(" bool:%s", *value?"true":"false");
 441                       } else if (type == 6) {
 442                           U8 a[8];
 443                           memcpy(&a[4],value,4);
 444                           memcpy(a,&value[4],4);
 445 #ifdef WORDS_BIGENDIAN
 446                           int t;
 447                           for(t=0;t<4;t++) {
 448                               U8 tmp = a[t];
 449                               a[t]=a[7-t];
 450                               a[7-t] = tmp;
 451                           }
 452 #endif
 453                           printf(" double:%f", *(double*)a);
 454                       } else if (type == 7) {
 455                           printf(" int:%d", value[0]+(value[1]<<8)+
 456                                             (value[2]<<16)+(value[3]<<24));
 457                       } else if (type == 8) {
 458                           printf(" Lookup:%d", *value);
 459 #ifdef MAX_LOOKUP
 460                           if (lookup[*value])
 461                             printf(" (\"%s\")",lookup[*value]);
 462 #endif
 463                       } else if (type == 9) {
 464                           U32 offset = value[0]+(value[1]<<8);
 465                           printf(" Lookup16:%d", offset);
 466 #ifdef MAX_LOOKUP
 467                           if (lookup[offset])
 468                             printf(" (\"%s\")",lookup[offset]);
 469 #endif
 470                       } else {
 471                           printf(" UNKNOWN[%02x]",type);
 472                       }
 473                   } break;
 474               }
 475               data += OpAdvance(*cp, data);
 476               if((*cp!='c' || !poollen) &&
 477                  (*cp!='p' || !(data<&atag->data[atag->len])))
 478                   cp++;
 479               if(poollen)
 480                   poollen--;
 481           }
 482         }
 483
 484         if(data < atag->data + atag->len)
 485         {
 486             int nl = ((atag->data+atag->len)-data);
 487             int t;
 488             printf(" (remainder of %d bytes:\"", nl);
 489             for(t=0;t<nl;t++) {
 490                 if(data[t]<32)
 491                     printf("\\%d",data[t]);
 492                 else
 493                     printf("%c", data[t]);
 494             }
 495             printf("\")");
 496         }
 497         printf("\n");
 498
 499         for(t=0;t<countpos;t++) {
 500             counter[t].count -= ATAG_FULLLENGTH(atag);
 501             if(counter[t].count < 0) {
 502                 printf("===== Error: Oplength errors =====\n");
 503                 countpos = 0;
 504                 break;
 505             }
 506         }
 507
 508         while(countpos && !counter[countpos-1].count)
 509         {
 510             printf("%s                   %s%s\n",
 511                 prefix, indent, counter[countpos-1].text);
 512             indent += 4;
 513             countpos--;
 514         }
 515
 516         atag = atag->next;
 517     }
 518
 519 #ifdef MAX_LOOKUP
 520   for (t=0;t<MAX_LOOKUP;t++) if (lookup[t]) rfx_free(lookup[t]);
 521 #endif
 522 }
 523
 524 static const char TYPE_URL = 1;
 525 static const char TYPE_TARGET = 2;
 526 static const char TYPE_STRING = 4;
 527
 528 int swf_ActionEnumerate(ActionTAG*atag, char*(*callback)(char*), int type)
 529 {
 530     int t;
 531     U8*data;
 532     char* cp;
 533     int count = 0;
 534     while(atag)
 535     {
 536         U16 poollen = 0;
 537         for(t=0;t<definedactions;t++)
 538             if(actions[t].op == atag->op)
 539                 break;
 540
 541         if(t==definedactions) {
 542             // unknown actiontag
 543             atag = atag->next;
 544             count++;
 545             continue;
 546         }
 547         cp = actions[t].flags;
 548         data = atag->data;
 549         if(atag->len) {
 550             while(*cp) {
 551                 U8 * replacepos = 0;
 552                 int replacelen = 0;
 553                 U8 * replacement = 0;
 554                 switch(*cp)
 555                 {
 556                     case 'u': {
 557                         if(type&TYPE_URL)
 558                         {
 559                             replacelen = strlen((const char*)data);
 560                             replacepos = data;
 561                             replacement = (U8*)callback((char*)data); // may be null
 562                         }
 563                     } break;
 564                     case 't': {
 565                         if(type&TYPE_TARGET)
 566                         {
 567                             replacelen = strlen((const char*)data);
 568                             replacepos = data;
 569                             replacement = (U8*)callback((char*)data); // may be null
 570                         }
 571                     } break;
 572                     case 'c': {
 573                         if(type&TYPE_STRING)
 574                         {
 575                             replacelen = strlen((const char*)data);
 576                             replacepos = data;
 577                             replacement = (U8*)callback((char*)data); // may be null
 578                         }
 579                     } break;
 580                     case 'C': {
 581                         poollen = (data[0]+256*data[1]);
 582                     } break;
 583                     case 'o': {
 584                     } break;
 585                     case 'p': {
 586                         U8 datatype = *data;
 587                         char*value = (char*)&data[1];
 588                         if(datatype == 0) { //string
 589                             if(type&TYPE_STRING)
 590                             {
 591                                 replacelen = strlen(value);
 592                                 replacepos = (U8*)value;
 593                                 replacement = (U8*)callback(value); // may be null
 594                             }
 595                         } else if (datatype == 8) { //lookup
 596                         }
 597                     } break;
 598                 }
 599                 data += OpAdvance(*cp, data);
 600                 if(*cp!='c' || !poollen)
 601                     cp++;
 602                 if(poollen)
 603                     poollen--;
 604
 605                 if(replacement)
 606                 {
 607                     int newlen = strlen((const char *)replacement);
 608                     char * newdata = (char*)rfx_alloc(atag->len - replacelen + newlen);
 609                     int rpos = replacepos - atag->data;
 610                     memcpy(newdata, atag->data, rpos);
 611                     memcpy(&newdata[rpos], replacement, newlen);
 612                     memcpy(&newdata[rpos+newlen], &replacepos[replacelen],
 613                             &data[atag->len] - &replacepos[replacelen]);
 614                     rfx_free(atag->data);
 615                     atag->data = (U8*)newdata;
 616                     data = &atag->data[rpos+newlen+1];
 617                 }
 618             }
 619         }
 620         atag = atag->next;
 621         count ++;
 622     }
 623     return count;
 624 }
 625
 626 void swf_ActionEnumerateTargets(ActionTAG*atag, char*(*callback)(char*))
 627 {
 628     swf_ActionEnumerate(atag, callback, TYPE_TARGET);
 629 }
 630 void swf_ActionEnumerateStrings(ActionTAG*atag, char*(*callback)(char*))
 631 {
 632     swf_ActionEnumerate(atag, callback, TYPE_STRING);
 633 }
 634 void swf_ActionEnumerateURLs(ActionTAG*atag, char*(*callback)(char*))
 635 {
 636     swf_ActionEnumerate(atag, callback, TYPE_URL);
 637 }
 638
 639 /*static ActionTAG* swf_ActionStart()
 640 {
 641     ActionTAG*atag;
 642     atag = (ActionTAG*)rfx_alloc(sizeof(ActionTAG));
 643     atag->prev = 0;
 644     atag->next = 0;
 645     atag->parent = 0;
 646     atag->data = 0;
 647     atag->len = 0;
 648     return atag;
 649 }
 650
 651 void swf_ActionEnd(ActionTAG* atag)
 652 {
 653     ActionTAG*last;
 654     while(atag) {
 655         last = atag;
 656         atag=atag->next;
 657     }
 658
 659     last->prev->next = 0;
 660     rfx_free(last);
 661 }*/
 662
 663 static ActionTAG*lastATAG(ActionTAG*atag)
 664 {
 665     ActionTAG*last = 0;
 666     while(atag) {
 667         last = atag;
 668         atag=atag->next;
 669     }
 670     return last;
 671 }
 672
 673 ActionTAG* swf_AddActionTAG(ActionTAG*atag, U8 op, U8*data, U16 len)
 674 {
 675     ActionTAG*tmp;
 676     tmp = (ActionTAG*)rfx_alloc(sizeof(ActionTAG));
 677     tmp->next = 0;
 678     if(atag) {
 679         tmp->prev = atag;
 680         atag->next = tmp;
 681         tmp->parent = atag->parent;
 682     } else {
 683         tmp->prev = 0;
 684         tmp->parent = tmp;
 685     }
 686     if(data || !len) {
 687         tmp->data = data;
 688     } else {
 689         tmp->data = tmp->tmp;
 690     }
 691
 692     tmp->len = len;
 693     tmp->op = op;
 694     return tmp;
 695 }
 696
 697 ActionMarker action_setMarker(ActionTAG*atag)
 698 {
 699     ActionMarker m;
 700     m.atag = atag;
 701     return m;
 702 }
 703
 704 int inline ActionTagSize(ActionTAG*atag)
 705 {
 706     return (atag->op&0x80)?3+(atag->len):1+0;
 707 }
 708
 709
 710 #define ACTION_END            0x00
 711 #define ACTION_NEXTFRAME      0x04
 712 #define ACTION_PREVIOUSFRAME  0x05
 713 #define ACTION_PLAY           0x06
 714 #define ACTION_STOP           0x07
 715 #define ACTION_TOGGLEQUALITY  0x08
 716 #define ACTION_STOPSOUNDS     0x09
 717 #define ACTION_ADD            0x0a
 718 #define ACTION_SUBTRACT       0x0b
 719 #define ACTION_MULTIPLY       0x0c
 720 #define ACTION_DIVIDE         0x0d
 721 #define ACTION_EQUALS         0x0e
 722 #define ACTION_LESS           0x0f
 723 #define ACTION_AND            0x10
 724 #define ACTION_OR             0x11
 725 #define ACTION_NOT            0x12
 726 #define ACTION_STRINGEQUALS   0x13
 727 #define ACTION_STRINGLENGTH   0x14
 728 #define ACTION_STRINGEXTRACT  0x15
 729 #define ACTION_POP            0x17
 730 #define ACTION_TOINTEGER      0x18
 731 #define ACTION_GETVARIABLE    0x1c
 732 #define ACTION_SETVARIABLE    0x1d
 733 #define ACTION_SETTARGET2     0x20
 734 #define ACTION_STRINGADD      0x21
 735 #define ACTION_GETPROPERTY    0x22
 736 #define ACTION_SETPROPERTY    0x23
 737 #define ACTION_CLONESPRITE    0x24
 738 #define ACTION_REMOVESPRITE   0x25
 739 #define ACTION_TRACE          0x26
 740 #define ACTION_STARTDRAG      0x27
 741 #define ACTION_ENDDRAG        0x28
 742 #define ACTION_STRINGLESS     0x29
 743 #define ACTION_RANDOMNUMBER   0x30
 744 #define ACTION_MBSTRINGLENGTH 0x31
 745 #define ACTION_CHARTOASCII    0x32
 746 #define ACTION_ASCIITOCHAR    0x33
 747 #define ACTION_GETTIME        0x34
 748 #define ACTION_MBSTRINGEXTRACT 0x35
 749 #define ACTION_MBCHARTOASCII  0x36
 750 #define ACTION_MBASCIITOCHAR  0x37
 751 #define ACTION_DELETE         0x3a
 752 #define ACTION_DELETE2        0x3b
 753 #define ACTION_DEFINELOCAL    0x3c
 754 #define ACTION_CALLFUNCTION   0x3d
 755 #define ACTION_RETURN         0x3e
 756 #define ACTION_MODULO         0x3f
 757 #define ACTION_NEWOBJECT      0x40
 758 #define ACTION_DEFINELOCAL2   0x41
 759 #define ACTION_INITARRAY      0x42
 760 #define ACTION_MAKEHASH       0x43
 761 #define ACTION_TYPEOF         0x44
 762 #define ACTION_TARGETPATH     0x45
 763 #define ACTION_ENUMERATE      0x46
 764 #define ACTION_ADD2           0x47
 765 #define ACTION_LESS2          0x48
 766 #define ACTION_EQUALS2        0x49
 767 #define ACTION_TONUMBER       0x4a
 768 #define ACTION_TOSTRING       0x4b
 769 #define ACTION_PUSHDUPLICATE  0x4c
 770 #define ACTION_STACKSWAP      0x4d
 771 #define ACTION_GETMEMBER      0x4e
 772 #define ACTION_SETMEMBER      0x4f
 773 #define ACTION_INCREMENT      0x50
 774 #define ACTION_DECREMENT      0x51
 775 #define ACTION_CALLMETHOD     0x52
 776 #define ACTION_NEWMETHOD      0x53
 777 #define ACTION_BITAND         0x60
 778 #define ACTION_BITOR          0x61
 779 #define ACTION_BITXOR         0x62
 780 #define ACTION_BITLSHIFT      0x63
 781 #define ACTION_BITRSHIFT      0x64
 782 #define ACTION_BITURSHIFT     0x65
 783 #define ACTION_GOTOFRAME      0x81
 784 #define ACTION_GETURL         0x83
 785 #define ACTION_STOREREGISTER  0x87
 786 #define ACTION_CONSTANTPOOL   0x88
 787 #define ACTION_WAITFORFRAME   0x8a
 788 #define ACTION_SETTARGET      0x8b
 789 #define ACTION_GOTOLABEL      0x8c
 790 #define ACTION_WAITFORFRAME2  0x8d
 791 #define ACTION_WITH           0x94
 792 #define ACTION_PUSH           0x96
 793 #define ACTION_JUMP           0x99
 794 #define ACTION_GETURL2        0x9a
 795 #define ACTION_DEFINEFUNCTION 0x9b
 796 #define ACTION_IF             0x9d
 797 #define ACTION_CALL           0x9e
 798 #define ACTION_GOTOFRAME2     0x9f
 799
 800 void action_fixjump(ActionMarker m1, ActionMarker m2)
 801 {
 802     ActionTAG* a1 = m1.atag;
 803     ActionTAG* a2 = m2.atag;
 804     ActionTAG* a;
 805     int len = 0;
 806     int oplen = 0;
 807     a = a1;
 808
 809     a = a->next; //first one is free
 810     while(a && a!=a2)
 811     {
 812         len += ActionTagSize(a);
 813         oplen ++;
 814         a = a->next;
 815     }
 816     if(!a)
 817     { len = 0;
 818       oplen = 0;
 819       a = a2;
 820       while(a && a!=a1) {
 821           len -= ActionTagSize(a);
 822           oplen --;
 823           a = a->next;
 824       }
 825       if(!a) {
 826           fprintf(stderr, "action_fixjump: couldn't find second tag\n");
 827           return;
 828       }
 829       len -= ActionTagSize(a);
 830       oplen --;
 831     }
 832
 833     if (a1->op == ACTION_IF || a1->op == ACTION_JUMP)
 834     {
 835         *(U16*)(a1->data) = SWAP16(len);
 836     }
 837     else if(a1->op == ACTION_WAITFORFRAME)
 838     {
 839         ((U8*)(a1->data))[2] = oplen;
 840     }
 841     else if(a1->op == ACTION_WAITFORFRAME2)
 842     {
 843         ((U8*)(a1->data))[0] = oplen;
 844     }
 845
 846 }
 847
 848 ActionTAG* action_NextFrame(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_NEXTFRAME, 0, 0);}
 849 ActionTAG* action_PreviousFrame(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_PREVIOUSFRAME, 0, 0);}
 850 ActionTAG* action_Play(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_PLAY, 0, 0);}
 851 ActionTAG* action_Stop(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_STOP, 0, 0);}
 852 ActionTAG* action_ToggleQuality(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_TOGGLEQUALITY, 0, 0);}
 853 ActionTAG* action_StopSounds(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_STOPSOUNDS, 0, 0);}
 854 ActionTAG* action_Add(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_ADD, 0, 0);}
 855 ActionTAG* action_Subtract(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_SUBTRACT, 0, 0);}
 856 ActionTAG* action_Multiply(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_MULTIPLY, 0, 0);}
 857 ActionTAG* action_Divide(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_DIVIDE, 0, 0);}
 858 ActionTAG* action_Equals(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_EQUALS, 0, 0);}
 859 ActionTAG* action_Less(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_LESS, 0, 0);}
 860 ActionTAG* action_And(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_AND, 0, 0);}
 861 ActionTAG* action_Or(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_OR, 0, 0);}
 862 ActionTAG* action_Not(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_NOT, 0, 0);}
 863 ActionTAG* action_StringEquals(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_STRINGEQUALS, 0, 0);}
 864 ActionTAG* action_StringLength(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_STRINGLENGTH, 0, 0);}
 865 ActionTAG* action_StringExtract(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_STRINGEXTRACT, 0, 0);}
 866 ActionTAG* action_Pop(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_POP, 0, 0);}
 867 ActionTAG* action_ToInteger(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_TOINTEGER, 0, 0);}
 868 ActionTAG* action_GetVariable(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_GETVARIABLE, 0, 0);}
 869 ActionTAG* action_SetVariable(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_SETVARIABLE, 0, 0);}
 870 ActionTAG* action_SetTarget2(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_SETTARGET2, 0, 0);}
 871 ActionTAG* action_StringAdd(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_STRINGADD, 0, 0);}
 872 ActionTAG* action_GetProperty(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_GETPROPERTY, 0, 0);}
 873 ActionTAG* action_SetProperty(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_SETPROPERTY, 0, 0);}
 874 ActionTAG* action_CloneSprite(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_CLONESPRITE, 0, 0);}
 875 ActionTAG* action_RemoveSprite(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_REMOVESPRITE, 0, 0);}
 876 ActionTAG* action_Trace(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_TRACE, 0, 0);}
 877 ActionTAG* action_StartDrag(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_STARTDRAG, 0, 0);}
 878 ActionTAG* action_EndDrag(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_ENDDRAG, 0, 0);}
 879 ActionTAG* action_StringLess(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_STRINGLESS, 0, 0);}
 880 ActionTAG* action_RandomNumber(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_RANDOMNUMBER, 0, 0);}
 881 ActionTAG* action_MBStringLength(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_MBSTRINGLENGTH, 0, 0);}
 882 ActionTAG* action_CharToAscii(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_CHARTOASCII, 0, 0);}
 883 ActionTAG* action_AsciiToChar(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_ASCIITOCHAR, 0, 0);}
 884 ActionTAG* action_GetTime(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_GETTIME, 0, 0);}
 885 ActionTAG* action_MBStringExtract(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_MBSTRINGEXTRACT, 0, 0);}
 886 ActionTAG* action_MBCharToAscii(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_MBCHARTOASCII, 0, 0);}
 887 ActionTAG* action_MBAsciiToChar(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_MBASCIITOCHAR, 0, 0);}
 888 ActionTAG* action_Delete(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_DELETE, 0, 0);}
 889 ActionTAG* action_Delete2(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_DELETE2, 0, 0);}
 890 ActionTAG* action_DefineLocal(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_DEFINELOCAL, 0, 0);}
 891 ActionTAG* action_CallFunction(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_CALLFUNCTION, 0, 0);}
 892 ActionTAG* action_Return(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_RETURN, 0, 0);}
 893 ActionTAG* action_Modulo(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_MODULO, 0, 0);}
 894 ActionTAG* action_NewObject(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_NEWOBJECT, 0, 0);}
 895 ActionTAG* action_DefineLocal2(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_DEFINELOCAL2, 0, 0);}
 896 ActionTAG* action_InitArray(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_INITARRAY, 0, 0);}
 897 ActionTAG* action_Makehash(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_MAKEHASH, 0, 0);}
 898 ActionTAG* action_TypeOf(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_TYPEOF, 0, 0);}
 899 ActionTAG* action_TargetPath(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_TARGETPATH, 0, 0);}
 900 ActionTAG* action_Enumerate(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_ENUMERATE, 0, 0);}
 901 ActionTAG* action_Add2(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_ADD2, 0, 0);}
 902 ActionTAG* action_Less2(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_LESS2, 0, 0);}
 903 ActionTAG* action_Equals2(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_EQUALS2, 0, 0);}
 904 ActionTAG* action_ToNumber(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_TONUMBER, 0, 0);}
 905 ActionTAG* action_ToString(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_TOSTRING, 0, 0);}
 906 ActionTAG* action_PushDuplicate(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_PUSHDUPLICATE, 0, 0);}
 907 ActionTAG* action_StackSwap(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_STACKSWAP, 0, 0);}
 908 ActionTAG* action_GetMember(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_GETMEMBER, 0, 0);}
 909 ActionTAG* action_SetMember(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_SETMEMBER, 0, 0);}
 910 ActionTAG* action_Increment(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_INCREMENT, 0, 0);}
 911 ActionTAG* action_Decrement(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_DECREMENT, 0, 0);}
 912 ActionTAG* action_CallMethod(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_CALLMETHOD, 0, 0);}
 913 ActionTAG* action_NewMethod(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_NEWMETHOD, 0, 0);}
 914 ActionTAG* action_BitAnd(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_BITAND, 0, 0);}
 915 ActionTAG* action_BitOr(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_BITOR, 0, 0);}
 916 ActionTAG* action_BitXor(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_BITXOR, 0, 0);}
 917 ActionTAG* action_BitLShift(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_BITLSHIFT, 0, 0);}
 918 ActionTAG* action_BitRShift(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_BITRSHIFT, 0, 0);}
 919 ActionTAG* action_BitURShift(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_BITURSHIFT, 0, 0);}
 920 ActionTAG* action_Call(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_CALL, 0, 0);}
 921 ActionTAG* action_End(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_END, 0, 0);}
 922 ActionTAG* action_GotoFrame(ActionTAG*atag, U16 frame)
 923 {
 924     atag = swf_AddActionTAG(atag, ACTION_GOTOFRAME, 0, 2);
 925     *(U16*)atag->tmp = SWAP16(frame);
 926     return atag;
 927 }
 928
 929 ActionTAG* action_Jump(ActionTAG*atag, U16 branch)
 930 {
 931     atag = swf_AddActionTAG(atag, ACTION_JUMP, 0, 2);
 932     *(U16*)atag->tmp = SWAP16(branch);
 933     return atag;
 934 }
 935 ActionTAG* action_If(ActionTAG*atag, U16 branch)
 936 {
 937     atag = swf_AddActionTAG(atag, ACTION_IF, 0, 2);
 938     *(U16*)atag->tmp = SWAP16(branch);
 939     return atag;
 940 }
 941 ActionTAG* action_StoreRegister(ActionTAG*atag, U8 reg)
 942 {
 943     atag = swf_AddActionTAG(atag, ACTION_STOREREGISTER, 0, 1);
 944     *(U8*)atag->tmp = reg;
 945     return atag;
 946 }
 947 ActionTAG* action_GotoFrame2(ActionTAG*atag, U8 method)
 948 {
 949     atag = swf_AddActionTAG(atag, ACTION_GOTOFRAME2, 0, 1);
 950     *(U8*)atag->tmp = method;
 951     return atag;
 952 }
 953 ActionTAG* action_GetUrl2(ActionTAG*atag, U8 method)
 954 {
 955     atag = swf_AddActionTAG(atag, ACTION_GETURL2, 0, 1);
 956     *(U8*)atag->tmp = method;
 957     return atag;
 958 }
 959 ActionTAG* action_WaitForFrame2(ActionTAG*atag, U8 skip)
 960 {
 961     atag = swf_AddActionTAG(atag, ACTION_WAITFORFRAME2, 0, 1);
 962     *(U8*)atag->tmp = skip;
 963     return atag;
 964 }
 965 ActionTAG* action_WaitForFrame(ActionTAG*atag, U16 frame, U8 skip)
 966 {
 967     atag = swf_AddActionTAG(atag, ACTION_WAITFORFRAME, 0, 3);
 968     *(U16*)atag->tmp = SWAP16(frame);
 969     *(U8*)&atag->tmp[2] = skip;
 970     return atag;
 971 }
 972 ActionTAG* action_SetTarget(ActionTAG*atag, const char* target)
 973 {
 974     char*ptr = strdup(target);
 975     return swf_AddActionTAG(atag, ACTION_SETTARGET, (U8*)ptr, strlen(ptr)+1);
 976 }
 977 ActionTAG* action_PushNULL(ActionTAG*atag)
 978 {
 979     atag = swf_AddActionTAG(atag, ACTION_PUSH, 0, 1);
 980     *(U8*)atag->tmp = 2; //NULL
 981     return atag;
 982 }
 983 ActionTAG* action_PushUndefined(ActionTAG*atag)
 984 {
 985     atag = swf_AddActionTAG(atag, ACTION_PUSH, 0, 1);
 986     *(U8*)atag->tmp = 3; //Undefined
 987     return atag;
 988 }
 989 ActionTAG* action_PushBoolean(ActionTAG*atag, char c)
 990 {
 991     atag = swf_AddActionTAG(atag, ACTION_PUSH, 0, 2);
 992     *(U8*)atag->tmp = 5; //bool
 993     *(U8*)&atag->tmp[1] = c;
 994     return atag;
 995 }
 996 ActionTAG* action_PushRegister(ActionTAG*atag, U8 reg)
 997 {
 998     atag = swf_AddActionTAG(atag, ACTION_PUSH, 0, 2);
 999     *(U8*)atag->tmp = 4; //register
1000     *(U8*)&atag->tmp[1] = reg;
1001     return atag;
1002 }
1003 ActionTAG* action_PushLookup(ActionTAG*atag, U8 index)
1004 {
1005     atag = swf_AddActionTAG(atag, ACTION_PUSH, 0, 2);
1006     *(U8*)atag->tmp = 8; //lookup
1007     *(U8*)&atag->tmp[1] = index;
1008     return atag;
1009 }
1010 ActionTAG* action_PushLookup16(ActionTAG*atag, U16 index)
1011 {
1012     atag = swf_AddActionTAG(atag, ACTION_PUSH, 0, 3);
1013     *(U8*)atag->tmp = 9; //lookup
1014     *(U8*)&atag->tmp[1] = (U8)index;
1015     *(U8*)&atag->tmp[2] = index>>8;
1016     return atag;
1017 }
1018 ActionTAG* action_PushString(ActionTAG*atag, const char*str)
1019 {
1020     int l = strlen(str);
1021     char*ptr = (char*)rfx_alloc(l+2);
1022     ptr[0] = 0; // string
1023     strcpy(&ptr[1], str);
1024     return swf_AddActionTAG(atag, ACTION_PUSH, (U8*)ptr, l+2);
1025 }
1026 ActionTAG* action_PushFloat(ActionTAG*atag, float f)
1027 {
1028     char*ptr = (char*)rfx_alloc(5);
1029     U32 fd = *(U32*)&f;
1030     ptr[0] = 1; //float
1031     ptr[1]  = fd;
1032     ptr[2]  = fd>>8;
1033     ptr[3]  = fd>>16;
1034     ptr[4]  = fd>>24;
1035     return swf_AddActionTAG(atag, ACTION_PUSH, (U8*)ptr, 5);
1036 }
1037 ActionTAG* action_PushDouble(ActionTAG*atag, double d)
1038 {
1039     char*ptr = (char*)rfx_alloc(9);
1040     U8*dd = (U8*)&d;
1041     ptr[0] = 6; //double
1042 #ifdef WORDS_BIGENDIAN
1043     ptr[1] = dd[7];ptr[2] = dd[6];
1044     ptr[3] = dd[5];ptr[4] = dd[4];
1045     ptr[5] = dd[3];ptr[6] = dd[2];
1046     ptr[7] = dd[1];ptr[8] = dd[0];
1047 #else
1048     ptr[1] = dd[0];ptr[2] = dd[1];
1049     ptr[3] = dd[2];ptr[4] = dd[3];
1050     ptr[5] = dd[4];ptr[6] = dd[5];
1051     ptr[7] = dd[6];ptr[8] = dd[7];
1052 #endif
1053     return swf_AddActionTAG(atag, ACTION_PUSH, (U8*)ptr, 9);
1054 }
1055 ActionTAG* action_PushInt(ActionTAG*atag, int i)
1056 {
1057     atag = swf_AddActionTAG(atag, ACTION_PUSH, 0, 5);
1058     atag->tmp[0] = 7; //int
1059     atag->tmp[1] = i;
1060     atag->tmp[2] = i>>8;
1061     atag->tmp[3] = i>>16;
1062     atag->tmp[4] = i>>24;
1063     return atag;
1064 }
1065 ActionTAG* action_GotoLabel(ActionTAG*atag, char* label)
1066 {
1067     char*ptr = strdup(label);
1068     return swf_AddActionTAG(atag, ACTION_GOTOLABEL, (U8*)ptr, strlen(ptr));
1069 }
1070 ActionTAG* action_GetUrl(ActionTAG*atag, const char* url, char* label)
1071 {
1072     int l1= strlen(url);
1073     int l2= strlen(label);
1074     char*ptr = (char*)rfx_alloc(l1+l2+2);
1075     strcpy(ptr, url);
1076     strcpy(&ptr[l1+1], label);
1077     return swf_AddActionTAG(atag, ACTION_GETURL, (U8*)ptr, l1+l2+2);
1078 }
1079 //TODO:
1080 ActionTAG* action_DefineFunction(ActionTAG*atag, U8*data, int len) {return atag;}
1081 ActionTAG* action_Constantpool(ActionTAG*atag, char* constantpool) {return atag;}
1082 ActionTAG*  action_With(ActionTAG*atag, char*object) {return atag;}
1083
1084 #include "../action/actioncompiler.h"
1085
1086 ActionTAG* swf_ActionCompile(const char* source, int version)
1087 {
1088     TAG* tag;
1089     ActionTAG* a = 0;
1090     void*buffer = 0;
1091     int len = 0;
1092     int ret;
1093
1094     tag = swf_InsertTag(NULL, ST_DOACTION);
1095     ret = compileSWFActionCode(source, version, &buffer, &len);
1096     if(!ret || buffer==0 || len == 0)
1097         return 0;
1098
1099     swf_SetBlock(tag, (U8*)buffer, len);
1100     swf_SetU8(tag, 0);
1101
1102     rfx_free(buffer);
1103
1104     a = swf_ActionGet(tag);
1105     swf_DeleteTag(0, tag);
1106     return a;
1107 }
1108
1109
1110 /*
1111   Properties:
1112
1113   _X 0
1114   _Y 1
1115   _xscale 2
1116   _yscale 3
1117   _currentframe 4
1118   _totalframes 5
1119   _alpha 6
1120   _visible 7
1121   _width 8
1122   _height 9
1123   _rotation 10
1124   _target 11
1125   _framesloaded 12
1126   _name 13
1127   _droptarget 14
1128   _url 15
1129   _highquality 16
1130   _focusrect 17
1131   _soundbuftime 18
1132   _quality* 19
1133   _xmouse* 20
1134   _ymouse* 21
1135 */