pcode.c

   1 \r
   2 //**************************************************************************\r
   3 //**\r
   4 //** pcode.c\r
   5 //**\r
   6 //**************************************************************************\r
   7 \r
   8 // HEADER FILES ------------------------------------------------------------\r
   9 \r
  10 #include <string.h>\r
  11 #include <stddef.h>\r
  12 #include "pcode.h"\r
  13 #include "common.h"\r
  14 #include "error.h"\r
  15 #include "misc.h"\r
  16 #include "strlist.h"\r
  17 #include "token.h"\r
  18 #include "symbol.h"\r
  19 #include "parse.h"\r
  20 \r
  21 // MACROS ------------------------------------------------------------------\r
  22 \r
  23 // TYPES -------------------------------------------------------------------\r
  24 \r
  25 typedef struct scriptInfo_s\r
  26 {\r
  27         U_WORD number;\r
  28         U_BYTE type;\r
  29         U_BYTE argCount;\r
  30         U_WORD varCount;\r
  31         U_WORD flags;\r
  32         int address;\r
  33         int srcLine;\r
  34         boolean imported;\r
  35 } scriptInfo_t;\r
  36 \r
  37 typedef struct functionInfo_s\r
  38 {\r
  39         U_BYTE hasReturnValue;\r
  40         U_BYTE argCount;\r
  41         U_BYTE localCount;\r
  42         int address;\r
  43         int name;\r
  44 } functionInfo_t;\r
  45 \r
  46 typedef struct mapVarInfo_s\r
  47 {\r
  48         int initializer;\r
  49         boolean isString;\r
  50         char *name;\r
  51         boolean imported;\r
  52 } mapVarInfo_t;\r
  53 \r
  54 // EXTERNAL FUNCTION PROTOTYPES --------------------------------------------\r
  55 \r
  56 // PUBLIC FUNCTION PROTOTYPES ----------------------------------------------\r
  57 \r
  58 // PRIVATE FUNCTION PROTOTYPES ---------------------------------------------\r
  59 \r
  60 static void GrowBuffer(void);\r
  61 static void Append(void *buffer, size_t size);\r
  62 static void Write(void *buffer, size_t size, int address);\r
  63 static void Skip(size_t size);\r
  64 static void CloseOld(void);\r
  65 static void CloseNew(void);\r
  66 static void CreateDummyScripts(void);\r
  67 static void RecordDummyScripts(void);\r
  68 \r
  69 // EXTERNAL DATA DECLARATIONS ----------------------------------------------\r
  70 \r
  71 // PUBLIC DATA DEFINITIONS -------------------------------------------------\r
  72 \r
  73 int pc_Address;\r
  74 byte *pc_Buffer;\r
  75 byte *pc_BufferPtr;\r
  76 int pc_ScriptCount;\r
  77 int pc_FunctionCount;\r
  78 boolean pc_NoShrink;\r
  79 boolean pc_HexenCase;\r
  80 boolean pc_WadAuthor = TRUE;\r
  81 boolean pc_EncryptStrings;\r
  82 int pc_LastAppendedCommand;\r
  83 int pc_DummyAddress;\r
  84 \r
  85 // PRIVATE DATA DEFINITIONS ------------------------------------------------\r
  86 \r
  87 static size_t BufferSize;\r
  88 static boolean ObjectOpened = NO;\r
  89 static scriptInfo_t ScriptInfo[MAX_SCRIPT_COUNT];\r
  90 static functionInfo_t FunctionInfo[MAX_FUNCTION_COUNT];\r
  91 static int ArraySizes[MAX_MAP_VARIABLES];\r
  92 static int *ArrayInits[MAX_MAP_VARIABLES];\r
  93 static boolean ArrayOfStrings[MAX_MAP_VARIABLES];\r
  94 static int NumArrays;\r
  95 static mapVarInfo_t MapVariables[MAX_MAP_VARIABLES];\r
  96 static boolean MapVariablesInit = NO;\r
  97 static char ObjectName[MAX_FILE_NAME_LENGTH];\r
  98 static int ObjectFlags;\r
  99 static int PushByteAddr;\r
 100 static char Imports[MAX_IMPORTS][9];\r
 101 static int NumImports;\r
 102 static boolean HaveScriptFlags;\r
 103 \r
 104 static char *PCDNames[PCODE_COMMAND_COUNT] =\r
 105 {\r
 106         "PCD_NOP",\r
 107         "PCD_TERMINATE",\r
 108         "PCD_SUSPEND",\r
 109         "PCD_PUSHNUMBER",\r
 110         "PCD_LSPEC1",\r
 111         "PCD_LSPEC2",\r
 112         "PCD_LSPEC3",\r
 113         "PCD_LSPEC4",\r
 114         "PCD_LSPEC5",\r
 115         "PCD_LSPEC1DIRECT",\r
 116         "PCD_LSPEC2DIRECT",\r
 117         "PCD_LSPEC3DIRECT",\r
 118         "PCD_LSPEC4DIRECT",\r
 119         "PCD_LSPEC5DIRECT",\r
 120         "PCD_ADD",\r
 121         "PCD_SUBTRACT",\r
 122         "PCD_MULTIPLY",\r
 123         "PCD_DIVIDE",\r
 124         "PCD_MODULUS",\r
 125         "PCD_EQ",\r
 126         "PCD_NE",\r
 127         "PCD_LT",\r
 128         "PCD_GT",\r
 129         "PCD_LE",\r
 130         "PCD_GE",\r
 131         "PCD_ASSIGNSCRIPTVAR",\r
 132         "PCD_ASSIGNMAPVAR",\r
 133         "PCD_ASSIGNWORLDVAR",\r
 134         "PCD_PUSHSCRIPTVAR",\r
 135         "PCD_PUSHMAPVAR",\r
 136         "PCD_PUSHWORLDVAR",\r
 137         "PCD_ADDSCRIPTVAR",\r
 138         "PCD_ADDMAPVAR",\r
 139         "PCD_ADDWORLDVAR",\r
 140         "PCD_SUBSCRIPTVAR",\r
 141         "PCD_SUBMAPVAR",\r
 142         "PCD_SUBWORLDVAR",\r
 143         "PCD_MULSCRIPTVAR",\r
 144         "PCD_MULMAPVAR",\r
 145         "PCD_MULWORLDVAR",\r
 146         "PCD_DIVSCRIPTVAR",\r
 147         "PCD_DIVMAPVAR",\r
 148         "PCD_DIVWORLDVAR",\r
 149         "PCD_MODSCRIPTVAR",\r
 150         "PCD_MODMAPVAR",\r
 151         "PCD_MODWORLDVAR",\r
 152         "PCD_INCSCRIPTVAR",\r
 153         "PCD_INCMAPVAR",\r
 154         "PCD_INCWORLDVAR",\r
 155         "PCD_DECSCRIPTVAR",\r
 156         "PCD_DECMAPVAR",\r
 157         "PCD_DECWORLDVAR",\r
 158         "PCD_GOTO",\r
 159         "PCD_IFGOTO",\r
 160         "PCD_DROP",\r
 161         "PCD_DELAY",\r
 162         "PCD_DELAYDIRECT",\r
 163         "PCD_RANDOM",\r
 164         "PCD_RANDOMDIRECT",\r
 165         "PCD_THINGCOUNT",\r
 166         "PCD_THINGCOUNTDIRECT",\r
 167         "PCD_TAGWAIT",\r
 168         "PCD_TAGWAITDIRECT",\r
 169         "PCD_POLYWAIT",\r
 170         "PCD_POLYWAITDIRECT",\r
 171         "PCD_CHANGEFLOOR",\r
 172         "PCD_CHANGEFLOORDIRECT",\r
 173         "PCD_CHANGECEILING",\r
 174         "PCD_CHANGECEILINGDIRECT",\r
 175         "PCD_RESTART",\r
 176         "PCD_ANDLOGICAL",\r
 177         "PCD_ORLOGICAL",\r
 178         "PCD_ANDBITWISE",\r
 179         "PCD_ORBITWISE",\r
 180         "PCD_EORBITWISE",\r
 181         "PCD_NEGATELOGICAL",\r
 182         "PCD_LSHIFT",\r
 183         "PCD_RSHIFT",\r
 184         "PCD_UNARYMINUS",\r
 185         "PCD_IFNOTGOTO",\r
 186         "PCD_LINESIDE",\r
 187         "PCD_SCRIPTWAIT",\r
 188         "PCD_SCRIPTWAITDIRECT",\r
 189         "PCD_CLEARLINESPECIAL",\r
 190         "PCD_CASEGOTO",\r
 191         "PCD_BEGINPRINT",\r
 192         "PCD_ENDPRINT",\r
 193         "PCD_PRINTSTRING",\r
 194         "PCD_PRINTNUMBER",\r
 195         "PCD_PRINTCHARACTER",\r
 196         "PCD_PLAYERCOUNT",\r
 197         "PCD_GAMETYPE",\r
 198         "PCD_GAMESKILL",\r
 199         "PCD_TIMER",\r
 200         "PCD_SECTORSOUND",\r
 201         "PCD_AMBIENTSOUND",\r
 202         "PCD_SOUNDSEQUENCE",\r
 203         "PCD_SETLINETEXTURE",\r
 204         "PCD_SETLINEBLOCKING",\r
 205         "PCD_SETLINESPECIAL",\r
 206         "PCD_THINGSOUND",\r
 207         "PCD_ENDPRINTBOLD",\r
 208 // [RH] End of Hexen p-codes\r
 209         "PCD_ACTIVATORSOUND",\r
 210         "PCD_LOCALAMBIENTSOUND",\r
 211         "PCD_SETLINEMONSTERBLOCKING",\r
 212 // [BC] Start of new pcodes\r
 213         "PCD_PLAYERBLUESKULL",\r
 214         "PCD_PLAYERREDSKULL",\r
 215         "PCD_PLAYERYELLOWSKULL",\r
 216         "PCD_PLAYERMASTERSKULL",\r
 217         "PCD_PLAYERBLUECARD",\r
 218         "PCD_PLAYERREDCARD",\r
 219         "PCD_PLAYERYELLOWCARD",\r
 220         "PCD_PLAYERMASTERCARD",\r
 221         "PCD_PLAYERBLACKSKULL",\r
 222         "PCD_PLAYERSILVERSKULL",\r
 223         "PCD_PLAYERGOLDSKULL",\r
 224         "PCD_PLAYERBLACKCARD",\r
 225         "PCD_PLAYERSILVERCARD",\r
 226         "PCD_PLAYERONTEAM",\r
 227         "PCD_PLAYERTEAM",\r
 228         "PCD_PLAYERHEALTH",\r
 229         "PCD_PLAYERARMORPOINTS",\r
 230         "PCD_PLAYERFRAGS",\r
 231         "PCD_PLAYEREXPERT",\r
 232         "PCD_BLUETEAMCOUNT",\r
 233         "PCD_REDTEAMCOUNT",\r
 234         "PCD_BLUETEAMSCORE",\r
 235         "PCD_REDTEAMSCORE",\r
 236         "PCD_ISONEFLAGCTF",\r
 237         "PCD_LSPEC6",\r
 238         "PCD_LSPEC6DIRECT",\r
 239         "PCD_PRINTNAME",\r
 240         "PCD_MUSICCHANGE",\r
 241         "PCD_CONSOLECOMMANDDIRECT",\r
 242         "PCD_CONSOLECOMMAND",\r
 243         "PCD_SINGLEPLAYER",\r
 244 // [RH] End of Skull Tag p-codes\r
 245         "PCD_FIXEDMUL",\r
 246         "PCD_FIXEDDIV",\r
 247         "PCD_SETGRAVITY",\r
 248         "PCD_SETGRAVITYDIRECT",\r
 249         "PCD_SETAIRCONTROL",\r
 250         "PCD_SETAIRCONTROLDIRECT",\r
 251         "PCD_CLEARINVENTORY",\r
 252         "PCD_GIVEINVENTORY",\r
 253         "PCD_GIVEINVENTORYDIRECT",\r
 254         "PCD_TAKEINVENTORY",\r
 255         "PCD_TAKEINVENTORYDIRECT",\r
 256         "PCD_CHECKINVENTORY",\r
 257         "PCD_CHECKINVENTORYDIRECT",\r
 258         "PCD_SPAWN",\r
 259         "PCD_SPAWNDIRECT",\r
 260         "PCD_SPAWNSPOT",\r
 261         "PCD_SPAWNSPOTDIRECT",\r
 262         "PCD_SETMUSIC",\r
 263         "PCD_SETMUSICDIRECT",\r
 264         "PCD_LOCALSETMUSIC",\r
 265         "PCD_LOCALSETMUSICDIRECT",\r
 266         "PCD_PRINTFIXED",\r
 267         "PCD_PRINTLOCALIZED",\r
 268         "PCD_MOREHUDMESSAGE",\r
 269         "PCD_OPTHUDMESSAGE",\r
 270         "PCD_ENDHUDMESSAGE",\r
 271         "PCD_ENDHUDMESSAGEBOLD",\r
 272         "PCD_SETSTYLE",\r
 273         "PCD_SETSTYLEDIRECT",\r
 274         "PCD_SETFONT",\r
 275         "PCD_SETFONTDIRECT",\r
 276         "PCD_PUSHBYTE",\r
 277         "PCD_LSPEC1DIRECTB",\r
 278         "PCD_LSPEC2DIRECTB",\r
 279         "PCD_LSPEC3DIRECTB",\r
 280         "PCD_LSPEC4DIRECTB",\r
 281         "PCD_LSPEC5DIRECTB",\r
 282         "PCD_DELAYDIRECTB",\r
 283         "PCD_RANDOMDIRECTB",\r
 284         "PCD_PUSHBYTES",\r
 285         "PCD_PUSH2BYTES",\r
 286         "PCD_PUSH3BYTES",\r
 287         "PCD_PUSH4BYTES",\r
 288         "PCD_PUSH5BYTES",\r
 289         "PCD_SETTHINGSPECIAL",\r
 290         "PCD_ASSIGNGLOBALVAR",\r
 291         "PCD_PUSHGLOBALVAR",\r
 292         "PCD_ADDGLOBALVAR",\r
 293         "PCD_SUBGLOBALVAR",\r
 294         "PCD_MULGLOBALVAR",\r
 295         "PCD_DIVGLOBALVAR",\r
 296         "PCD_MODGLOBALVAR",\r
 297         "PCD_INCGLOBALVAR",\r
 298         "PCD_DECGLOBALVAR",\r
 299         "PCD_FADETO",\r
 300         "PCD_FADERANGE",\r
 301         "PCD_CANCELFADE",\r
 302         "PCD_PLAYMOVIE",\r
 303         "PCD_SETFLOORTRIGGER",\r
 304         "PCD_SETCEILINGTRIGGER",\r
 305         "PCD_GETACTORX",\r
 306         "PCD_GETACTORY",\r
 307         "PCD_GETACTORZ",\r
 308         "PCD_STARTTRANSLATION",\r
 309         "PCD_TRANSLATIONRANGE1",\r
 310         "PCD_TRANSLATIONRANGE2",\r
 311         "PCD_ENDTRANSLATION",\r
 312         "PCD_CALL",\r
 313         "PCD_CALLDISCARD",\r
 314         "PCD_RETURNVOID",\r
 315         "PCD_RETURNVAL",\r
 316         "PCD_PUSHMAPARRAY",\r
 317         "PCD_ASSIGNMAPARRAY",\r
 318         "PCD_ADDMAPARRAY",\r
 319         "PCD_SUBMAPARRAY",\r
 320         "PCD_MULMAPARRAY",\r
 321         "PCD_DIVMAPARRAY",\r
 322         "PCD_MODMAPARRAY",\r
 323         "PCD_INCMAPARRAY",\r
 324         "PCD_DECMAPARRAY",\r
 325         "PCD_DUP",\r
 326         "PCD_SWAP",\r
 327         "PCD_WRITETOINI",\r
 328         "PCD_GETFROMINI",\r
 329         "PCD_SIN",\r
 330         "PCD_COS",\r
 331         "PCD_VECTORANGLE",\r
 332         "PCD_CHECKWEAPON",\r
 333         "PCD_SETWEAPON",\r
 334         "PCD_TAGSTRING",\r
 335         "PCD_PUSHWORLDARRAY",\r
 336         "PCD_ASSIGNWORLDARRAY",\r
 337         "PCD_ADDWORLDARRAY",\r
 338         "PCD_SUBWORLDARRAY",\r
 339         "PCD_MULWORLDARRAY",\r
 340         "PCD_DIVWORLDARRAY",\r
 341         "PCD_MODWORLDARRAY",\r
 342         "PCD_INCWORLDARRAY",\r
 343         "PCD_DECWORLDARRAY",\r
 344         "PCD_PUSHGLOBALARRAY",\r
 345         "PCD_ASSIGNGLOBALARRAY",\r
 346         "PCD_ADDGLOBALARRAY",\r
 347         "PCD_SUBGLOBALARRAY",\r
 348         "PCD_MULGLOBALARRAY",\r
 349         "PCD_DIVGLOBALARRAY",\r
 350         "PCD_MODGLOBALARRAY",\r
 351         "PCD_INCGLOBALARRAY",\r
 352         "PCD_DECGLOBALARRAY",\r
 353         "PCD_SETMARINEWEAPON",\r
 354         "PCD_SETACTORPROPERTY",\r
 355         "PCD_GETACTORPROPERTY",\r
 356         "PCD_PLAYERNUMBER",\r
 357         "PCD_ACTIVATORTID",\r
 358         "PCD_SETMARINESPRITE",\r
 359         "PCD_GETSCREENWIDTH",\r
 360         "PCD_GETSCREENHEIGHT",\r
 361         "PCD_THING_PROJECTILE2",\r
 362         "PCD_STRLEN",\r
 363         "PCD_SETHUDSIZE",\r
 364         "PCD_GETCVAR",\r
 365         "PCD_CASEGOTOSORTED",\r
 366         "PCD_SETRESULTVALUE",\r
 367         "PCD_GETLINEROWOFFSET",\r
 368         "PCD_GETACTORFLOORZ",\r
 369         "PCD_GETACTORANGLE",\r
 370         "PCD_GETSECTORFLOORZ",\r
 371         "PCD_GETSECTORCEILINGZ",\r
 372         "PCD_LSPEC5RESULT",\r
 373         "PCD_GETSIGILPIECES",\r
 374         "PCD_GELEVELINFO",\r
 375         "PCD_CHANGESKY",\r
 376         "PCD_PLAYERINGAME",\r
 377         "PCD_PLAYERISBOT",\r
 378         "PCD_SETCAMERATOTEXTURE",\r
 379         "PCD_ENDLOG",\r
 380         "PCD_GETAMMOCAPACITY",\r
 381         "PCD_SETAMMOCAPACITY",\r
 382 // [JB] start of new pcodes\r
 383         "PCD_PRINTMAPCHARARRAY",\r
 384         "PCD_PRINTWORLDCHARARRAY",\r
 385         "PCD_PRINTGLOBALCHARARRAY",\r
 386 // [JB] end of new pcodes\r
 387         "PCD_SETACTORANGLE",\r
 388         "PCD_GRABINPUT",\r
 389         "PCD_SETMOUSEPOINTER",\r
 390         "PCD_MOVEMOUSEPOINTER",\r
 391         "PCD_SPAWNPROJECTILE",\r
 392         "PCD_GETSECTORLIGHTLEVEL",\r
 393         "PCD_GETACTORCEILINGZ",\r
 394         "PCD_SETACTORPOSITION",\r
 395         "PCD_CLEARACTORINVENTORY",\r
 396         "PCD_GIVEACTORINVENTORY",\r
 397         "PCD_TAKEACTORINVENTORY",\r
 398         "PCD_CHECKACTORINVENTORY",\r
 399         "PCD_THINGCOUNTNAME",\r
 400         "PCD_SPAWNSPOTFACING",\r
 401         "PCD_PLAYERCLASS",\r
 402         //[MW] start my p-codes\r
 403         "PCD_ANDSCRIPTVAR",\r
 404         "PCD_ANDMAPVAR", \r
 405         "PCD_ANDWORLDVAR", \r
 406         "PCD_ANDGLOBALVAR", \r
 407         "PCD_ANDMAPARRAY", \r
 408         "PCD_ANDWORLDARRAY", \r
 409         "PCD_ANDGLOBALARRAY",\r
 410         "PCD_EORSCRIPTVAR", \r
 411         "PCD_EORMAPVAR", \r
 412         "PCD_EORWORLDVAR", \r
 413         "PCD_EORGLOBALVAR", \r
 414         "PCD_EORMAPARRAY", \r
 415         "PCD_EORWORLDARRAY", \r
 416         "PCD_EORGLOBALARRAY",\r
 417         "PCD_ORSCRIPTVAR", \r
 418         "PCD_ORMAPVAR", \r
 419         "PCD_ORWORLDVAR", \r
 420         "PCD_ORGLOBALVAR", \r
 421         "PCD_ORMAPARRAY", \r
 422         "PCD_ORWORLDARRAY", \r
 423         "PCD_ORGLOBALARRAY",\r
 424         "PCD_LSSCRIPTVAR", \r
 425         "PCD_LSMAPVAR", \r
 426         "PCD_LSWORLDVAR", \r
 427         "PCD_LSGLOBALVAR", \r
 428         "PCD_LSMAPARRAY", \r
 429         "PCD_LSWORLDARRAY", \r
 430         "PCD_LSGLOBALARRAY",\r
 431         "PCD_RSSCRIPTVAR", \r
 432         "PCD_RSMAPVAR", \r
 433         "PCD_RSWORLDVAR", \r
 434         "PCD_RSGLOBALVAR", \r
 435         "PCD_RSMAPARRAY", \r
 436         "PCD_RSWORLDARRAY", \r
 437         "PCD_RSGLOBALARRAY", \r
 438         //[MW] end my p-codes\r
 439         "PCD_GETPLAYERINFO",\r
 440         "PCD_CHANGELEVEL",\r
 441         "PCD_SECTORDAMAGE",\r
 442         "PCD_REPLACETEXTURES",\r
 443         "PCD_NEGATEBINARY",\r
 444         "PCD_GETACTORPITCH",\r
 445         "PCD_SETACTORPITCH",\r
 446         "PCD_PRINTBIND",\r
 447         "PCD_SETACTORSTATE",\r
 448         "PCD_THINGDAMAGE2",\r
 449         "PCD_USEINVENTORY",\r
 450         "PCD_USEACTORINVENTORY",\r
 451         "PCD_CHECKACTORCEILINGTEXTURE",\r
 452         "PCD_CHECKACTORFLOORTEXTURE",\r
 453         "PCD_GETACTORLIGHTLEVEL",\r
 454         "PCD_SETMUGSHOTSTATE",\r
 455         "PCD_THINGCOUNTSECTOR",\r
 456         "PCD_THINGCOUNTNAMESECTOR",\r
 457         "PCD_CHECKPLAYERCAMERA",\r
 458         "PCD_MORPHACTOR",\r
 459         "PCD_UNMORPHACTOR",\r
 460         "PCD_GETPLAYERINPUT",\r
 461         "PCD_CLASSIFYACTOR",\r
 462         "PCD_PRINTBINARY",\r
 463         "PCD_PRINTHEX",\r
 464         "PCD_CALLFUNC",\r
 465 };\r
 466 \r
 467 // CODE --------------------------------------------------------------------\r
 468 \r
 469 //==========================================================================\r
 470 //\r
 471 // PC_OpenObject\r
 472 //\r
 473 //==========================================================================\r
 474 \r
 475 void PC_OpenObject(char *name, size_t size, int flags)\r
 476 {\r
 477         if(ObjectOpened == YES)\r
 478         {\r
 479                 PC_CloseObject();\r
 480         }\r
 481         if(strlen(name) >= MAX_FILE_NAME_LENGTH)\r
 482         {\r
 483                 ERR_Exit(ERR_FILE_NAME_TOO_LONG, NO, name);\r
 484         }\r
 485         strcpy(ObjectName, name);\r
 486         pc_Buffer = MS_Alloc(size, ERR_ALLOC_PCODE_BUFFER);\r
 487         pc_BufferPtr = pc_Buffer;\r
 488         pc_Address = 0;\r
 489         ObjectFlags = flags;\r
 490         BufferSize = size;\r
 491         pc_ScriptCount = 0;\r
 492         ObjectOpened = YES;\r
 493         PC_AppendString("ACS");\r
 494         PC_SkipInt(); // Script table offset\r
 495 }\r
 496 \r
 497 //==========================================================================\r
 498 //\r
 499 // PC_CloseObject\r
 500 //\r
 501 //==========================================================================\r
 502 \r
 503 void PC_CloseObject(void)\r
 504 {\r
 505         MS_Message(MSG_DEBUG, "---- PC_CloseObject ----\n");\r
 506         while (pc_Address & 3)\r
 507         {\r
 508                 PC_AppendByte (0);\r
 509         }\r
 510         if(!pc_NoShrink || (NumLanguages > 1) || (NumStringLists > 0) ||\r
 511                 (pc_FunctionCount > 0) || MapVariablesInit || NumArrays != 0 ||\r
 512                 pc_EncryptStrings || NumImports != 0 || HaveScriptFlags)\r
 513         {\r
 514                 CloseNew();\r
 515         }\r
 516         else\r
 517         {\r
 518                 CloseOld();\r
 519         }\r
 520         if(MS_SaveFile(ObjectName, pc_Buffer, pc_Address) == FALSE)\r
 521         {\r
 522                 ERR_Exit(ERR_SAVE_OBJECT_FAILED, NO);\r
 523         }\r
 524 }\r
 525 \r
 526 //==========================================================================\r
 527 //\r
 528 // CloseOld\r
 529 //\r
 530 //==========================================================================\r
 531 \r
 532 static void CloseOld(void)\r
 533 {\r
 534         int i;\r
 535 \r
 536         STR_WriteStrings();\r
 537         PC_WriteInt((U_INT)pc_Address, 4);\r
 538         PC_AppendInt((U_INT)pc_ScriptCount);\r
 539         for(i = 0; i < pc_ScriptCount; ++i)\r
 540         {\r
 541                 scriptInfo_t *info = &ScriptInfo[i];\r
 542                 MS_Message(MSG_DEBUG, "Script %d, address = %d, arg count = %d\n",\r
 543                         info->number, info->address, info->argCount);\r
 544                 PC_AppendInt((U_INT)(info->number + info->type * 1000));\r
 545                 PC_AppendInt((U_INT)info->address);\r
 546                 PC_AppendInt((U_INT)info->argCount);\r
 547         }\r
 548         STR_WriteList();\r
 549 }\r
 550 \r
 551 //==========================================================================\r
 552 //\r
 553 // CloseNew\r
 554 //\r
 555 // Creates a new-format ACS file. For programs that don't know any better,\r
 556 // this will look just like an old ACS file with no scripts or strings but\r
 557 // with some extra junk in the middle. Both WadAuthor and DeePsea will not\r
 558 // accept ACS files that do not have the ACS\0 header. Worse, WadAuthor\r
 559 // will hang if the file begins with ACS\0 but does not look like something\r
 560 // that might have been created with Raven's ACC. Thus, the chunks live in\r
 561 // the string block, and there are two 0 dwords at the end of the file.\r
 562 //\r
 563 //==========================================================================\r
 564 \r
 565 static void CloseNew(void)\r
 566 {\r
 567         int i, j, count;\r
 568         int chunkStart;\r
 569 \r
 570         if(pc_WadAuthor)\r
 571         {\r
 572                 CreateDummyScripts();\r
 573         }\r
 574 \r
 575         chunkStart = pc_Address;\r
 576 \r
 577         // Only write out those scripts that this acs file actually provides.\r
 578         for(i = j = 0; i < pc_ScriptCount; ++i)\r
 579         {\r
 580                 if(!ScriptInfo[i].imported)\r
 581                 {\r
 582                         ++j;\r
 583                 }\r
 584         }\r
 585         if(j > 0)\r
 586         {\r
 587                 PC_Append("SPTR", 4);\r
 588                 PC_AppendInt(j * 8);\r
 589                 for(i = 0; i < pc_ScriptCount; i++)\r
 590                 {\r
 591                         scriptInfo_t *info = &ScriptInfo[i];\r
 592                         if(!info->imported)\r
 593                         {\r
 594                                 MS_Message(MSG_DEBUG, "Script %d, address = %d, arg count = %d\n",\r
 595                                         info->number, info->address, info->argCount);\r
 596                                 PC_AppendWord(info->number);\r
 597                                 PC_AppendByte(info->type);\r
 598                                 PC_AppendByte(info->argCount);\r
 599                                 PC_AppendInt((U_INT)info->address);\r
 600                         }\r
 601                 }\r
 602         }\r
 603 \r
 604         // If any scripts have more than the maximum number of arguments, output them.\r
 605         for(i = j = 0; i < pc_ScriptCount; ++i)\r
 606         {\r
 607                 if(!ScriptInfo[i].imported && ScriptInfo[i].varCount > MAX_SCRIPT_VARIABLES)\r
 608                 {\r
 609                         ++j;\r
 610                 }\r
 611         }\r
 612         if(j > 0)\r
 613         {\r
 614                 PC_Append("SVCT", 4);\r
 615                 PC_AppendInt(j * 4);\r
 616                 for(i = 0; i < pc_ScriptCount; ++i)\r
 617                 {\r
 618                         scriptInfo_t *info = &ScriptInfo[i];\r
 619                         if(!info->imported && info->varCount > MAX_SCRIPT_VARIABLES)\r
 620                         {\r
 621                                 MS_Message(MSG_DEBUG, "Script %d, var count = %d\n",\r
 622                                         info->number, info->varCount);\r
 623                                 PC_AppendWord(info->number);\r
 624                                 PC_AppendWord(info->varCount);\r
 625                         }\r
 626                 }\r
 627         }\r
 628 \r
 629         // Write script flags in a separate chunk, so older ZDooms don't get confused\r
 630         for(i = j = 0; i < pc_ScriptCount; ++i)\r
 631         {\r
 632                 if(!ScriptInfo[i].imported && ScriptInfo[i].flags != 0)\r
 633                 {\r
 634                         ++j;\r
 635                 }\r
 636         }\r
 637         if (j > 0)\r
 638         {\r
 639                 PC_Append("SFLG", 4);\r
 640                 PC_AppendInt(j * 4);\r
 641                 for(i = 0; i < pc_ScriptCount; ++i)\r
 642                 {\r
 643                         scriptInfo_t *info = &ScriptInfo[i];\r
 644                         if(!info->imported && info->flags != 0)\r
 645                         {\r
 646                                 PC_AppendWord(info->number);\r
 647                                 PC_AppendWord(info->flags);\r
 648                         }\r
 649                 }\r
 650         }\r
 651 \r
 652         if(pc_FunctionCount > 0)\r
 653         {\r
 654                 PC_Append("FUNC", 4);\r
 655                 PC_AppendInt(pc_FunctionCount * 8);\r
 656                 for(i = 0; i < pc_FunctionCount; ++i)\r
 657                 {\r
 658                         functionInfo_t *info = &FunctionInfo[i];\r
 659                         MS_Message(MSG_DEBUG, "Function %d:%s, address = %d, arg count = %d, var count = %d\n",\r
 660                                 i, STR_GetString(STRLIST_FUNCTIONS, info->name),\r
 661                                 info->address, info->argCount, info->localCount);\r
 662                         PC_AppendByte(info->argCount);\r
 663                         PC_AppendByte(info->localCount);\r
 664                         PC_AppendByte((U_BYTE)(info->hasReturnValue?1:0));\r
 665                         PC_AppendByte(0);\r
 666                         PC_AppendInt((U_INT)info->address);\r
 667                 }\r
 668                 STR_WriteListChunk(STRLIST_FUNCTIONS, MAKE4CC('F','N','A','M'), NO);\r
 669         }\r
 670 \r
 671         if(NumLanguages > 1)\r
 672         {\r
 673                 for(i = 0; i < NumLanguages; i++)\r
 674                 {\r
 675                         STR_WriteChunk(i, pc_EncryptStrings);\r
 676                 }\r
 677         }\r
 678         else if(STR_ListSize(0) > 0)\r
 679         {\r
 680                 STR_WriteChunk(0, pc_EncryptStrings);\r
 681         }\r
 682 \r
 683         STR_WriteListChunk(STRLIST_PICS, MAKE4CC('P','I','C','S'), NO);\r
 684         if(MapVariablesInit)\r
 685         {\r
 686                 int j;\r
 687 \r
 688                 for(i = 0; i < pa_MapVarCount; ++i)\r
 689                 {\r
 690                         if(MapVariables[i].initializer != 0)\r
 691                                 break;\r
 692                 }\r
 693                 for(j = pa_MapVarCount-1; j > i; --j)\r
 694                 {\r
 695                         if(MapVariables[j].initializer != 0)\r
 696                                 break;\r
 697                 }\r
 698                 ++j;\r
 699 \r
 700                 if (i < j)\r
 701                 {\r
 702                         PC_Append("MINI", 4);\r
 703                         PC_AppendInt((j-i)*4+4);\r
 704                         PC_AppendInt(i);                                                // First map var defined\r
 705                         for(; i < j; ++i)\r
 706                         {\r
 707                                 PC_AppendInt(MapVariables[i].initializer);\r
 708                         }\r
 709                 }\r
 710         }\r
 711 \r
 712         // If this is a library, record which map variables are\r
 713         // initialized with strings.\r
 714         if(ImportMode == IMPORT_Exporting)\r
 715         {\r
 716                 count = 0;\r
 717 \r
 718                 for(i = 0; i < pa_MapVarCount; ++i)\r
 719                 {\r
 720                         if(MapVariables[i].isString)\r
 721                         {\r
 722                                 ++count;\r
 723                         }\r
 724                 }\r
 725                 if(count > 0)\r
 726                 {\r
 727                         PC_Append("MSTR", 4);\r
 728                         PC_AppendInt(count*4);\r
 729                         for(i = 0; i < pa_MapVarCount; ++i)\r
 730                         {\r
 731                                 if(MapVariables[i].isString)\r
 732                                 {\r
 733                                         PC_AppendInt(i);\r
 734                                 }\r
 735                         }\r
 736                 }\r
 737 \r
 738                 // Now do the same thing for arrays.\r
 739                 for(count = 0, i = 0; i < pa_MapVarCount; ++i)\r
 740                 {\r
 741                         if(ArrayOfStrings[i])\r
 742                         {\r
 743                                 ++count;\r
 744                         }\r
 745                 }\r
 746                 if(count > 0)\r
 747                 {\r
 748                         PC_Append("ASTR", 4);\r
 749                         PC_AppendInt(count*4);\r
 750                         for(i = 0; i < pa_MapVarCount; ++i)\r
 751                         {\r
 752                                 if(ArrayOfStrings[i])\r
 753                                 {\r
 754                                         PC_AppendInt(i);\r
 755                                 }\r
 756                         }\r
 757                 }\r
 758         }\r
 759 \r
 760         // Publicize the names of map variables in a library.\r
 761         if(ImportMode == IMPORT_Exporting)\r
 762         {\r
 763                 for(i = 0; i < pa_MapVarCount; ++i)\r
 764                 {\r
 765                         if(!MapVariables[i].imported)\r
 766                         {\r
 767                                 STR_AppendToList(STRLIST_MAPVARS, MapVariables[i].name);\r
 768                         }\r
 769                         else\r
 770                         {\r
 771                                 STR_AppendToList(STRLIST_MAPVARS, NULL);\r
 772                         }\r
 773                 }\r
 774                 STR_WriteListChunk(STRLIST_MAPVARS, MAKE4CC('M','E','X','P'), NO);\r
 775         }\r
 776 \r
 777         // Record the names of imported map variables\r
 778         count = 0;\r
 779         for(i = 0; i < pa_MapVarCount; ++i)\r
 780         {\r
 781                 if(MapVariables[i].imported && !ArraySizes[i])\r
 782                 {\r
 783                         count += 5 + strlen(MapVariables[i].name);\r
 784                 }\r
 785         }\r
 786         if(count > 0)\r
 787         {\r
 788                 PC_Append("MIMP", 4);\r
 789                 PC_AppendInt(count);\r
 790                 for(i = 0; i < pa_MapVarCount; ++i)\r
 791                 {\r
 792                         if(MapVariables[i].imported && !ArraySizes[i])\r
 793                         {\r
 794                                 PC_AppendInt(i);\r
 795                                 PC_AppendString(MapVariables[i].name);\r
 796                         }\r
 797                 }\r
 798         }\r
 799 \r
 800         if(NumArrays)\r
 801         {\r
 802                 int count;\r
 803 \r
 804                 // Arrays defined here\r
 805                 for(count = 0, i = 0; i < pa_MapVarCount; ++i)\r
 806                 {\r
 807                         if(ArraySizes[i] && !MapVariables[i].imported)\r
 808                         {\r
 809                                 ++count;\r
 810                         }\r
 811                 }\r
 812                 if(count)\r
 813                 {\r
 814                         PC_Append("ARAY", 4);\r
 815                         PC_AppendInt(count*8);\r
 816                         for(i = 0; i < pa_MapVarCount; ++i)\r
 817                         {\r
 818                                 if(ArraySizes[i] && !MapVariables[i].imported)\r
 819                                 {\r
 820                                         PC_AppendInt(i);\r
 821                                         PC_AppendInt(ArraySizes[i]);\r
 822                                 }\r
 823                         }\r
 824                         for(i = 0; i < pa_MapVarCount; ++i)\r
 825                         {\r
 826                                 if(ArrayInits[i])\r
 827                                 {\r
 828                                         int j;\r
 829 \r
 830                                         PC_Append("AINI", 4);\r
 831                                         PC_AppendInt(ArraySizes[i]*4+4);\r
 832                                         PC_AppendInt((U_INT)i);\r
 833                                         MS_Message(MSG_DEBUG, "Writing array initializers for array %d (size %d)\n", i, ArraySizes[i]);\r
 834                                         for(j = 0; j < ArraySizes[i]; ++j)\r
 835                                         {\r
 836                                                 PC_AppendInt((U_INT)ArrayInits[i][j]);\r
 837                                         }\r
 838                                 }\r
 839                         }\r
 840                 }\r
 841 \r
 842                 // Arrays imported from elsewhere\r
 843                 for(count = 0, j = i = 0; i < pa_MapVarCount; ++i)\r
 844                 {\r
 845                         if(ArraySizes[i] && MapVariables[i].imported)\r
 846                         {\r
 847                                 count += 9 + strlen(MapVariables[i].name);\r
 848                                 ++j;\r
 849                         }\r
 850                 }\r
 851                 if(count)\r
 852                 {\r
 853                         PC_Append("AIMP", 4);\r
 854                         PC_AppendInt(count+4);\r
 855                         PC_AppendInt(j);\r
 856                         for(i = 0; i < pa_MapVarCount; ++i)\r
 857                         {\r
 858                                 if(ArraySizes[i] && MapVariables[i].imported)\r
 859                                 {\r
 860                                         PC_AppendInt(i);\r
 861                                         PC_AppendInt(ArraySizes[i]);\r
 862                                         PC_AppendString(MapVariables[i].name);\r
 863                                 }\r
 864                         }\r
 865                 }\r
 866         }\r
 867 \r
 868         // Add a dummy chunk to indicate if this object is a library.\r
 869         if(ImportMode == IMPORT_Exporting)\r
 870         {\r
 871                 PC_Append("ALIB", 4);\r
 872                 PC_AppendInt(0);\r
 873         }\r
 874 \r
 875         // Record libraries imported by this object.\r
 876         if(NumImports > 0)\r
 877         {\r
 878                 count = 0;\r
 879                 for(i = 0; i < NumImports; ++i)\r
 880                 {\r
 881                         count += strlen(Imports[i]) + 1;\r
 882                 }\r
 883                 if(count > 0)\r
 884                 {\r
 885                         PC_Append("LOAD", 4);\r
 886                         PC_AppendInt(count);\r
 887                         for(i = 0; i < NumImports; ++i)\r
 888                         {\r
 889                                 PC_AppendString(Imports[i]);\r
 890                         }\r
 891                 }\r
 892         }\r
 893 \r
 894         PC_AppendInt((U_INT)chunkStart);\r
 895         if(pc_NoShrink)\r
 896         {\r
 897                 PC_Append("ACSE", 4);\r
 898         }\r
 899         else\r
 900         {\r
 901                 PC_Append("ACSe", 4);\r
 902         }\r
 903         PC_WriteInt((U_INT)pc_Address, 4);\r
 904 \r
 905         // WadAuthor compatibility when creating a library is pointless, because\r
 906         // that editor does not know anything about libraries and will never\r
 907         // find their scripts ever.\r
 908         if(pc_WadAuthor && ImportMode != IMPORT_Exporting)\r
 909         {\r
 910                 RecordDummyScripts();\r
 911         }\r
 912         else\r
 913         {\r
 914                 PC_AppendInt(0);\r
 915         }\r
 916         PC_AppendInt(0);\r
 917 }\r
 918 \r
 919 //==========================================================================\r
 920 //\r
 921 // CreateDummyScripts\r
 922 //\r
 923 //==========================================================================\r
 924 \r
 925 static void CreateDummyScripts(void)\r
 926 {\r
 927         int i;\r
 928 \r
 929         MS_Message(MSG_DEBUG, "Creating dummy scripts to make WadAuthor happy.\n");\r
 930         if(pc_Address%4 != 0)\r
 931         { // Need to align\r
 932                 U_INT pad = 0;\r
 933                 PC_Append((void *)&pad, 4-(pc_Address%4));\r
 934         }\r
 935         pc_DummyAddress = pc_Address;\r
 936         for(i = 0; i < pc_ScriptCount; ++i)\r
 937         {\r
 938                 if(!ScriptInfo[i].imported)\r
 939                 {\r
 940                         PC_AppendCmd(PCD_TERMINATE);\r
 941                         if(!pc_NoShrink)\r
 942                         {\r
 943                                 PC_AppendCmd(PCD_NOP);\r
 944                                 PC_AppendCmd(PCD_NOP);\r
 945                                 PC_AppendCmd(PCD_NOP);\r
 946                         }\r
 947                 }\r
 948         }\r
 949 }\r
 950 \r
 951 //==========================================================================\r
 952 //\r
 953 // RecordDummyScripts\r
 954 //\r
 955 //==========================================================================\r
 956 \r
 957 static void RecordDummyScripts(void)\r
 958 {\r
 959         int i, count;\r
 960 \r
 961         for(i = count = 0; i < pc_ScriptCount; ++i)\r
 962         {\r
 963                 if(!ScriptInfo[i].imported)\r
 964                 {\r
 965                         ++count;\r
 966                 }\r
 967         }\r
 968         PC_AppendInt((U_INT)count);\r
 969         for(i = 0; i < pc_ScriptCount; ++i)\r
 970         {\r
 971                 scriptInfo_t *info = &ScriptInfo[i];\r
 972                 if(!info->imported)\r
 973                 {\r
 974                         MS_Message(MSG_DEBUG, "Dummy script %d, address = %d, arg count = %d\n",\r
 975                                 info->number, info->address, info->argCount);\r
 976                         PC_AppendInt((U_INT)info->number);\r
 977                         PC_AppendInt((U_INT)pc_DummyAddress + i*4);\r
 978                         PC_AppendInt((U_INT)info->argCount);\r
 979                 }\r
 980         }\r
 981 }\r
 982 \r
 983 //==========================================================================\r
 984 //\r
 985 // GrowBuffer\r
 986 //\r
 987 //==========================================================================\r
 988 \r
 989 void GrowBuffer(void)\r
 990 {\r
 991         ptrdiff_t buffpos = pc_BufferPtr - pc_Buffer;\r
 992 \r
 993         BufferSize *= 2;\r
 994         pc_Buffer = MS_Realloc(pc_Buffer, BufferSize, ERR_PCODE_BUFFER_OVERFLOW);\r
 995         pc_BufferPtr = pc_Buffer + buffpos;\r
 996 }\r
 997 \r
 998 //==========================================================================\r
 999 //\r
1000 // PC_Append functions\r
1001 //\r
1002 //==========================================================================\r
1003 \r
1004 static void Append(void *buffer, size_t size)\r
1005 {\r
1006         if (ImportMode != IMPORT_Importing)\r
1007         {\r
1008                 if(pc_Address+size > BufferSize)\r
1009                 {\r
1010                         GrowBuffer ();\r
1011                 }\r
1012                 memcpy(pc_BufferPtr, buffer, size);\r
1013                 pc_BufferPtr += size;\r
1014                 pc_Address += size;\r
1015         }\r
1016 }\r
1017 \r
1018 void PC_Append(void *buffer, size_t size)\r
1019 {\r
1020         if (ImportMode != IMPORT_Importing)\r
1021         {\r
1022                 MS_Message(MSG_DEBUG, "AD> %06d = (%d bytes)\n", pc_Address, size);\r
1023                 Append(buffer, size);\r
1024         }\r
1025 }\r
1026 \r
1027 void PC_AppendByte(U_BYTE val)\r
1028 {\r
1029         if (ImportMode != IMPORT_Importing)\r
1030         {\r
1031                 MS_Message(MSG_DEBUG, "AB> %06d = %d\n", pc_Address, val);\r
1032                 Append(&val, sizeof(U_BYTE));\r
1033         }\r
1034 }\r
1035 \r
1036 void PC_AppendWord(U_WORD val)\r
1037 {\r
1038         if (ImportMode != IMPORT_Importing)\r
1039         {\r
1040                 MS_Message(MSG_DEBUG, "AW> %06d = %d\n", pc_Address, val);\r
1041                 val = MS_LittleUWORD(val);\r
1042                 Append(&val, sizeof(U_WORD));\r
1043         }\r
1044 }\r
1045 \r
1046 void PC_AppendInt(U_INT val)\r
1047 {\r
1048         if (ImportMode != IMPORT_Importing)\r
1049         {\r
1050                 MS_Message(MSG_DEBUG, "AL> %06d = %d\n", pc_Address, val);\r
1051                 val = MS_LittleUINT(val);\r
1052                 Append(&val, sizeof(U_INT));\r
1053         }\r
1054 }\r
1055 \r
1056 void PC_AppendString(char *string)\r
1057 {\r
1058         if (ImportMode != IMPORT_Importing)\r
1059         {\r
1060                 int length;\r
1061 \r
1062                 length = strlen(string)+1;\r
1063                 MS_Message(MSG_DEBUG, "AS> %06d = \"%s\" (%d bytes)\n",\r
1064                         pc_Address, string, length);\r
1065                 Append(string, length);\r
1066         }\r
1067 }\r
1068 \r
1069 void PC_AppendCmd(pcd_t command)\r
1070 {\r
1071         if (ImportMode != IMPORT_Importing)\r
1072         {\r
1073                 pc_LastAppendedCommand = command;\r
1074                 if (pc_NoShrink)\r
1075                 {\r
1076                         MS_Message(MSG_DEBUG, "AC> %06d = #%d:%s\n", pc_Address,\r
1077                                 command, PCDNames[command]);\r
1078                         command = MS_LittleUINT(command);\r
1079                         Append(&command, sizeof(U_INT));\r
1080                 }\r
1081                 else\r
1082                 {\r
1083                         U_BYTE cmd;\r
1084                         if (command != PCD_PUSHBYTE && PushByteAddr)\r
1085                         { // Maybe shrink a PCD_PUSHBYTE sequence into PCD_PUSHBYTES\r
1086                                 int runlen = (pc_Address - PushByteAddr) / 2;\r
1087                                 int i;\r
1088 \r
1089                                 if (runlen > 5)\r
1090                                 {\r
1091                                         pc_Buffer[PushByteAddr] = PCD_PUSHBYTES;\r
1092                                         for (i = 0; i < runlen; i++)\r
1093                                         {\r
1094                                                 pc_Buffer[PushByteAddr+i+2] = pc_Buffer[PushByteAddr+i*2+1];\r
1095                                         }\r
1096                                         pc_Buffer[PushByteAddr+1] = runlen;\r
1097                                         pc_Address = PushByteAddr + runlen + 2;\r
1098                                         pc_BufferPtr = pc_Buffer + pc_Address;\r
1099                                         MS_Message (MSG_DEBUG, "AC> Last %d PCD_PUSHBYTEs changed to #%d:PCD_PUSHBYTES\n",\r
1100                                                 runlen, PCD_PUSHBYTES);\r
1101                                 }\r
1102                                 else if (runlen > 1)\r
1103                                 {\r
1104                                         pc_Buffer[PushByteAddr] = PCD_PUSH2BYTES + runlen - 2;\r
1105                                         for (i = 1; i < runlen; i++)\r
1106                                         {\r
1107                                                 pc_Buffer[PushByteAddr+1+i] = pc_Buffer[PushByteAddr+1+i*2];\r
1108                                         }\r
1109                                         pc_Address = PushByteAddr + runlen + 1;\r
1110                                         pc_BufferPtr = pc_Buffer + pc_Address;\r
1111                                         MS_Message (MSG_DEBUG, "AC> Last %d PCD_PUSHBYTEs changed to #%d:PCD_PUSH%dBYTES\n",\r
1112                                                 runlen, PCD_PUSH2BYTES+runlen-2, runlen);\r
1113                                 }\r
1114                                 PushByteAddr = 0;\r
1115                         }\r
1116                         else if (command == PCD_PUSHBYTE && PushByteAddr == 0)\r
1117                         { // Remember the first PCD_PUSHBYTE, in case there are more\r
1118                                 PushByteAddr = pc_Address;\r
1119                         }\r
1120                         MS_Message(MSG_DEBUG, "AC> %06d = #%d:%s\n", pc_Address,\r
1121                                 command, PCDNames[command]);\r
1122 \r
1123                         if (command < 256-16)\r
1124                         {\r
1125                                 cmd = command;\r
1126                                 Append(&cmd, sizeof(U_BYTE));\r
1127                         }\r
1128                         else\r
1129                         {\r
1130                                 // Room for expansion: The top 16 pcodes in the [0,255]\r
1131                                 // range select a set of pcodes, and the next byte is\r
1132                                 // the pcode in that set.\r
1133                                 cmd = ((command - (256-16)) >> 8) + (256-16);\r
1134                                 Append(&cmd, sizeof(U_BYTE));\r
1135                                 cmd = (command - (256-16)) & 255;\r
1136                                 Append(&cmd, sizeof(U_BYTE));\r
1137                         }\r
1138                 }\r
1139         }\r
1140 }\r
1141 \r
1142 //==========================================================================\r
1143 //\r
1144 // PC_AppendShrink\r
1145 //\r
1146 //==========================================================================\r
1147 \r
1148 void PC_AppendShrink(U_BYTE val)\r
1149 {\r
1150         if(pc_NoShrink)\r
1151         {\r
1152                 PC_AppendInt(val);\r
1153         }\r
1154         else\r
1155         {\r
1156                 PC_AppendByte(val);\r
1157         }\r
1158 }\r
1159 \r
1160 //==========================================================================\r
1161 //\r
1162 // PC_AppendPushVal\r
1163 //\r
1164 //==========================================================================\r
1165 \r
1166 void PC_AppendPushVal(U_INT val)\r
1167 {\r
1168         if(pc_NoShrink || val > 255)\r
1169         {\r
1170                 PC_AppendCmd(PCD_PUSHNUMBER);\r
1171                 PC_AppendInt(val);\r
1172         }\r
1173         else\r
1174         {\r
1175                 PC_AppendCmd(PCD_PUSHBYTE);\r
1176                 PC_AppendByte((U_BYTE)val);\r
1177         }\r
1178 }\r
1179 \r
1180 //==========================================================================\r
1181 //\r
1182 // PC_Write functions\r
1183 //\r
1184 //==========================================================================\r
1185 \r
1186 static void Write(void *buffer, size_t size, int address)\r
1187 {\r
1188         if (ImportMode != IMPORT_Importing)\r
1189         {\r
1190                 if(address+size > BufferSize)\r
1191                 {\r
1192                         GrowBuffer();\r
1193                 }\r
1194                 memcpy(pc_Buffer+address, buffer, size);\r
1195         }\r
1196 }\r
1197 \r
1198 void PC_Write(void *buffer, size_t size, int address)\r
1199 {\r
1200         if (ImportMode != IMPORT_Importing)\r
1201         {\r
1202                 MS_Message(MSG_DEBUG, "WD> %06d = (%d bytes)\n", address, size);\r
1203                 Write(buffer, size, address);\r
1204         }\r
1205 }\r
1206 \r
1207 void PC_WriteByte(U_BYTE val, int address)\r
1208 {\r
1209         if (ImportMode != IMPORT_Importing)\r
1210         {\r
1211                 MS_Message(MSG_DEBUG, "WB> %06d = %d\n", address, val);\r
1212                 Write(&val, sizeof(U_BYTE), address);\r
1213         }\r
1214 }\r
1215 \r
1216 /*\r
1217 void PC_WriteWord(U_WORD val, int address)\r
1218 {\r
1219         MS_Message(MSG_DEBUG, "WW> %06d = %d\n", address, val);\r
1220         val = MS_LittleUWORD(val);\r
1221         Write(&val, sizeof(U_WORD), address);\r
1222 }\r
1223 */\r
1224 \r
1225 void PC_WriteInt(U_INT val, int address)\r
1226 {\r
1227         if (ImportMode != IMPORT_Importing)\r
1228         {\r
1229                 MS_Message(MSG_DEBUG, "WL> %06d = %d\n", address, val);\r
1230                 val = MS_LittleUINT(val);\r
1231                 Write(&val, sizeof(U_INT), address);\r
1232         }\r
1233         pc_LastAppendedCommand = PCD_NOP;\r
1234 }\r
1235 \r
1236 void PC_WriteString(char *string, int address)\r
1237 {\r
1238         if (ImportMode != IMPORT_Importing)\r
1239         {\r
1240                 int length;\r
1241 \r
1242                 length = strlen(string)+1;\r
1243                 MS_Message(MSG_DEBUG, "WS> %06d = \"%s\" (%d bytes)\n",\r
1244                         address, string, length);\r
1245                 Write(string, length, address);\r
1246         }\r
1247 }\r
1248 \r
1249 void PC_WriteCmd(pcd_t command, int address)\r
1250 {\r
1251         if (ImportMode != IMPORT_Importing)\r
1252         {\r
1253                 MS_Message(MSG_DEBUG, "WC> %06d = #%d:%s\n", address,\r
1254                         command, PCDNames[command]);\r
1255                 command = MS_LittleUINT(command);\r
1256                 Write(&command, sizeof(U_INT), address);\r
1257         }\r
1258 }\r
1259 \r
1260 //==========================================================================\r
1261 //\r
1262 // PC_Skip functions\r
1263 //\r
1264 //==========================================================================\r
1265 \r
1266 static void Skip(size_t size)\r
1267 {\r
1268         if (ImportMode != IMPORT_Importing)\r
1269         {\r
1270                 if(pc_Address+size > BufferSize)\r
1271                 {\r
1272                         GrowBuffer();\r
1273                 }\r
1274                 pc_BufferPtr += size;\r
1275                 pc_Address += size;\r
1276         }\r
1277 }\r
1278 \r
1279 void PC_Skip(size_t size)\r
1280 {\r
1281         if (ImportMode != IMPORT_Importing)\r
1282         {\r
1283                 MS_Message(MSG_DEBUG, "SD> %06d (skip %d bytes)\n", pc_Address, size);\r
1284                 Skip(size);\r
1285         }\r
1286 }\r
1287 \r
1288 /*\r
1289 void PC_SkipByte(void)\r
1290 {\r
1291         MS_Message(MSG_DEBUG, "SB> %06d (skip byte)\n", pc_Address);\r
1292         Skip(sizeof(U_BYTE));\r
1293 }\r
1294 */\r
1295 \r
1296 /*\r
1297 void PC_SkipWord(void)\r
1298 {\r
1299         MS_Message(MSG_DEBUG, "SW> %06d (skip word)\n", pc_Address);\r
1300         Skip(sizeof(U_WORD));\r
1301 }\r
1302 */\r
1303 \r
1304 void PC_SkipInt(void)\r
1305 {\r
1306         if (ImportMode != IMPORT_Importing)\r
1307         {\r
1308                 MS_Message(MSG_DEBUG, "SL> %06d (skip int)\n", pc_Address);\r
1309                 Skip(sizeof(U_INT));\r
1310         }\r
1311 }\r
1312 \r
1313 //==========================================================================\r
1314 //\r
1315 // PC_PutMapVariable\r
1316 //\r
1317 //==========================================================================\r
1318 \r
1319 void PC_PutMapVariable(int index, int value)\r
1320 {\r
1321         if(index < MAX_MAP_VARIABLES)\r
1322         {\r
1323                 MapVariables[index].isString = pa_ConstExprIsString;\r
1324                 MapVariables[index].initializer = value;\r
1325                 MapVariablesInit = YES;\r
1326         }\r
1327 }\r
1328 \r
1329 //==========================================================================\r
1330 //\r
1331 // PC_NameMapVariable\r
1332 //\r
1333 //==========================================================================\r
1334 \r
1335 void PC_NameMapVariable(int index, symbolNode_t *sym)\r
1336 {\r
1337         if(index < MAX_MAP_VARIABLES)\r
1338         {\r
1339                 MapVariables[index].name = sym->name;\r
1340                 MapVariables[index].imported = sym->imported;\r
1341         }\r
1342 }\r
1343 \r
1344 //==========================================================================\r
1345 //\r
1346 // PC_AddScript\r
1347 //\r
1348 //==========================================================================\r
1349 \r
1350 void PC_AddScript(int inNumber, int argCount)\r
1351 {\r
1352         scriptInfo_t *script;\r
1353         int i;\r
1354         U_BYTE type;\r
1355         U_WORD flags;\r
1356         U_WORD number;\r
1357 \r
1358         type = (inNumber & 65535) / 1000;\r
1359         number = (inNumber & 65535) % 1000;\r
1360         flags = (inNumber >> 16) & 65535;\r
1361 \r
1362         if (flags != 0)\r
1363         {\r
1364                 HaveScriptFlags = YES;\r
1365         }\r
1366 \r
1367         for (i = 0; i < pc_ScriptCount; i++)\r
1368         {\r
1369                 if (ScriptInfo[i].number == number)\r
1370                 {\r
1371                         ERR_Error(ERR_SCRIPT_ALREADY_DEFINED, YES);\r
1372                 }\r
1373         }\r
1374         if(pc_ScriptCount == MAX_SCRIPT_COUNT)\r
1375         {\r
1376                 ERR_Error(ERR_TOO_MANY_SCRIPTS, YES);\r
1377         }\r
1378         else\r
1379         {\r
1380                 script = &ScriptInfo[pc_ScriptCount];\r
1381                 script->number = number;\r
1382                 script->type = type;\r
1383                 script->address = (ImportMode == IMPORT_Importing) ? 0 : pc_Address;\r
1384                 script->argCount = argCount;\r
1385                 script->flags = flags;\r
1386                 script->srcLine = tk_Line;\r
1387                 script->imported = (ImportMode == IMPORT_Importing) ? YES : NO;\r
1388                 pc_ScriptCount++;\r
1389         }\r
1390 }\r
1391 \r
1392 //==========================================================================\r
1393 //\r
1394 // PC_SetScriptVarCount\r
1395 //\r
1396 // Sets the number of local variables used by a script, including\r
1397 // arguments.\r
1398 //\r
1399 //==========================================================================\r
1400 \r
1401 void PC_SetScriptVarCount(int inNumber, int varCount)\r
1402 {\r
1403         int i;\r
1404         U_BYTE type;\r
1405         U_WORD number;\r
1406 \r
1407         type = (inNumber & 65535) / 1000;\r
1408         number = (inNumber & 65535) % 1000;\r
1409 \r
1410         for(i = 0; i < pc_ScriptCount; i++)\r
1411         {\r
1412                 if(ScriptInfo[i].number == number)\r
1413                 {\r
1414                         ScriptInfo[i].varCount = varCount;\r
1415                         break;\r
1416                 }\r
1417         }\r
1418 }\r
1419 \r
1420 //==========================================================================\r
1421 //\r
1422 // PC_AddFunction\r
1423 //\r
1424 //==========================================================================\r
1425 \r
1426 void PC_AddFunction(symbolNode_t *sym)\r
1427 {\r
1428         functionInfo_t *function;\r
1429 \r
1430         if(pc_FunctionCount == MAX_FUNCTION_COUNT)\r
1431         {\r
1432                 ERR_Error(ERR_TOO_MANY_FUNCTIONS, YES, NULL);\r
1433         }\r
1434         function = &FunctionInfo[pc_FunctionCount];\r
1435         function->hasReturnValue = (U_BYTE)sym->info.scriptFunc.hasReturnValue;\r
1436         function->argCount = (U_BYTE)sym->info.scriptFunc.argCount;\r
1437         function->localCount = (U_BYTE)sym->info.scriptFunc.varCount;\r
1438         function->name = STR_AppendToList (STRLIST_FUNCTIONS, sym->name);\r
1439         function->address = sym->info.scriptFunc.address;\r
1440         sym->info.scriptFunc.funcNumber = pc_FunctionCount;\r
1441         pc_FunctionCount++;\r
1442 }\r
1443 \r
1444 //==========================================================================\r
1445 //\r
1446 // PC_AddArray\r
1447 //\r
1448 //==========================================================================\r
1449 \r
1450 void PC_AddArray(int index, int size)\r
1451 {\r
1452         NumArrays++;\r
1453         ArraySizes[index] = size;\r
1454 }\r
1455 \r
1456 //==========================================================================\r
1457 //\r
1458 // PC_InitArray\r
1459 //\r
1460 //==========================================================================\r
1461 \r
1462 void PC_InitArray(int index, int *entries, boolean hasStrings)\r
1463 {\r
1464         int i;\r
1465 \r
1466         // If the array is just initialized to zeros, then we don't need to\r
1467         // remember the initializer.\r
1468         for(i = 0; i < ArraySizes[index]; ++i)\r
1469         {\r
1470                 if(entries[i] != 0)\r
1471                 {\r
1472                         break;\r
1473                 }\r
1474         }\r
1475         if(i < ArraySizes[index])\r
1476         {\r
1477                 ArrayInits[index] = MS_Alloc(ArraySizes[index]*sizeof(int), ERR_OUT_OF_MEMORY);\r
1478                 memcpy(ArrayInits[index], entries, ArraySizes[index]*sizeof(int));\r
1479         }\r
1480         ArrayOfStrings[index] = hasStrings;\r
1481 }\r
1482 \r
1483 //==========================================================================\r
1484 //\r
1485 // PC_AddImport\r
1486 //\r
1487 //==========================================================================\r
1488 \r
1489 int PC_AddImport(char *name)\r
1490 {\r
1491         if (NumImports >= MAX_IMPORTS)\r
1492         {\r
1493                 ERR_Exit(ERR_TOO_MANY_IMPORTS, YES);\r
1494         }\r
1495         strncpy(Imports[NumImports], name, 8);\r
1496         return NumImports++;\r
1497 }\r