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- Fixed: When ACC encountered a bad numeric constant, it could infinite loop
[zandronum/zandronum-acc.git] / 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 };\r
448 \r
449 // CODE --------------------------------------------------------------------\r
450 \r
451 //==========================================================================\r
452 //\r
453 // PC_OpenObject\r
454 //\r
455 //==========================================================================\r
456 \r
457 void PC_OpenObject(char *name, size_t size, int flags)\r
458 {\r
459         if(ObjectOpened == YES)\r
460         {\r
461                 PC_CloseObject();\r
462         }\r
463         if(strlen(name) >= MAX_FILE_NAME_LENGTH)\r
464         {\r
465                 ERR_Exit(ERR_FILE_NAME_TOO_LONG, NO, name);\r
466         }\r
467         strcpy(ObjectName, name);\r
468         pc_Buffer = MS_Alloc(size, ERR_ALLOC_PCODE_BUFFER);\r
469         pc_BufferPtr = pc_Buffer;\r
470         pc_Address = 0;\r
471         ObjectFlags = flags;\r
472         BufferSize = size;\r
473         pc_ScriptCount = 0;\r
474         ObjectOpened = YES;\r
475         PC_AppendString("ACS");\r
476         PC_SkipLong(); // Script table offset\r
477 }\r
478 \r
479 //==========================================================================\r
480 //\r
481 // PC_CloseObject\r
482 //\r
483 //==========================================================================\r
484 \r
485 void PC_CloseObject(void)\r
486 {\r
487         MS_Message(MSG_DEBUG, "---- PC_CloseObject ----\n");\r
488         while (pc_Address & 3)\r
489         {\r
490                 PC_AppendByte (0);\r
491         }\r
492         if(!pc_NoShrink || (NumLanguages > 1) || (NumStringLists > 0) ||\r
493                 (pc_FunctionCount > 0) || MapVariablesInit || NumArrays != 0 ||\r
494                 pc_EncryptStrings || NumImports != 0 || HaveScriptFlags)\r
495         {\r
496                 CloseNew();\r
497         }\r
498         else\r
499         {\r
500                 CloseOld();\r
501         }\r
502         if(MS_SaveFile(ObjectName, pc_Buffer, pc_Address) == FALSE)\r
503         {\r
504                 ERR_Exit(ERR_SAVE_OBJECT_FAILED, NO);\r
505         }\r
506 }\r
507 \r
508 //==========================================================================\r
509 //\r
510 // CloseOld\r
511 //\r
512 //==========================================================================\r
513 \r
514 static void CloseOld(void)\r
515 {\r
516         int i;\r
517 \r
518         STR_WriteStrings();\r
519         PC_WriteLong((U_LONG)pc_Address, 4);\r
520         PC_AppendLong((U_LONG)pc_ScriptCount);\r
521         for(i = 0; i < pc_ScriptCount; ++i)\r
522         {\r
523                 scriptInfo_t *info = &ScriptInfo[i];\r
524                 MS_Message(MSG_DEBUG, "Script %d, address = %d, arg count = %d\n",\r
525                         info->number, info->address, info->argCount);\r
526                 PC_AppendLong((U_LONG)(info->number + info->type * 1000));\r
527                 PC_AppendLong((U_LONG)info->address);\r
528                 PC_AppendLong((U_LONG)info->argCount);\r
529         }\r
530         STR_WriteList();\r
531 }\r
532 \r
533 //==========================================================================\r
534 //\r
535 // CloseNew\r
536 //\r
537 // Creates a new-format ACS file. For programs that don't know any better,\r
538 // this will look just like an old ACS file with no scripts or strings but\r
539 // with some extra junk in the middle. Both WadAuthor and DeePsea will not\r
540 // accept ACS files that do not have the ACS\0 header. Worse, WadAuthor\r
541 // will hang if the file begins with ACS\0 but does not look like something\r
542 // that might have been created with Raven's ACC. Thus, the chunks live in\r
543 // the string block, and there are two 0 dwords at the end of the file.\r
544 //\r
545 //==========================================================================\r
546 \r
547 static void CloseNew(void)\r
548 {\r
549         int i, j, count;\r
550         int chunkStart;\r
551 \r
552         if(pc_WadAuthor)\r
553         {\r
554                 CreateDummyScripts();\r
555         }\r
556 \r
557         chunkStart = pc_Address;\r
558 \r
559         // Only write out those scripts that this acs file actually provides.\r
560         for(i = j = 0; i < pc_ScriptCount; ++i)\r
561         {\r
562                 if(!ScriptInfo[i].imported)\r
563                 {\r
564                         ++j;\r
565                 }\r
566         }\r
567         if(j > 0)\r
568         {\r
569                 PC_Append("SPTR", 4);\r
570                 PC_AppendLong(j * 8);\r
571                 for(i = 0; i < pc_ScriptCount; i++)\r
572                 {\r
573                         scriptInfo_t *info = &ScriptInfo[i];\r
574                         if(!info->imported)\r
575                         {\r
576                                 MS_Message(MSG_DEBUG, "Script %d, address = %d, arg count = %d\n",\r
577                                         info->number, info->address, info->argCount);\r
578                                 PC_AppendWord(info->number);\r
579                                 PC_AppendByte(info->type);\r
580                                 PC_AppendByte(info->argCount);\r
581                                 PC_AppendLong((U_LONG)info->address);\r
582                         }\r
583                 }\r
584         }\r
585 \r
586         // If any scripts have more than the maximum number of arguments, output them.\r
587         for(i = j = 0; i < pc_ScriptCount; ++i)\r
588         {\r
589                 if(!ScriptInfo[i].imported && ScriptInfo[i].varCount > MAX_SCRIPT_VARIABLES)\r
590                 {\r
591                         ++j;\r
592                 }\r
593         }\r
594         if(j > 0)\r
595         {\r
596                 PC_Append("SVCT", 4);\r
597                 PC_AppendLong(j * 4);\r
598                 for(i = 0; i < pc_ScriptCount; ++i)\r
599                 {\r
600                         scriptInfo_t *info = &ScriptInfo[i];\r
601                         if(!info->imported && info->varCount > MAX_SCRIPT_VARIABLES)\r
602                         {\r
603                                 MS_Message(MSG_DEBUG, "Script %d, var count = %d\n",\r
604                                         info->number, info->varCount);\r
605                                 PC_AppendWord(info->number);\r
606                                 PC_AppendWord(info->varCount);\r
607                         }\r
608                 }\r
609         }\r
610 \r
611         // Write script flags in a separate chunk, so older ZDooms don't get confused\r
612         for(i = j = 0; i < pc_ScriptCount; ++i)\r
613         {\r
614                 if(!ScriptInfo[i].imported && ScriptInfo[i].flags != 0)\r
615                 {\r
616                         ++j;\r
617                 }\r
618         }\r
619         if (j > 0)\r
620         {\r
621                 PC_Append("SFLG", 4);\r
622                 PC_AppendLong(j * 4);\r
623                 for(i = 0; i < pc_ScriptCount; ++i)\r
624                 {\r
625                         scriptInfo_t *info = &ScriptInfo[i];\r
626                         if(!info->imported && info->flags != 0)\r
627                         {\r
628                                 PC_AppendWord(info->number);\r
629                                 PC_AppendWord(info->flags);\r
630                         }\r
631                 }\r
632         }\r
633 \r
634         if(pc_FunctionCount > 0)\r
635         {\r
636                 PC_Append("FUNC", 4);\r
637                 PC_AppendLong(pc_FunctionCount * 8);\r
638                 for(i = 0; i < pc_FunctionCount; ++i)\r
639                 {\r
640                         functionInfo_t *info = &FunctionInfo[i];\r
641                         MS_Message(MSG_DEBUG, "Function %d:%s, address = %d, arg count = %d, var count = %d\n",\r
642                                 i, STR_GetString(STRLIST_FUNCTIONS, info->name),\r
643                                 info->address, info->argCount, info->localCount);\r
644                         PC_AppendByte(info->argCount);\r
645                         PC_AppendByte(info->localCount);\r
646                         PC_AppendByte((U_BYTE)(info->hasReturnValue?1:0));\r
647                         PC_AppendByte(0);\r
648                         PC_AppendLong((U_LONG)info->address);\r
649                 }\r
650                 STR_WriteListChunk(STRLIST_FUNCTIONS, MAKE4CC('F','N','A','M'), NO);\r
651         }\r
652 \r
653         if(NumLanguages > 1)\r
654         {\r
655                 for(i = 0; i < NumLanguages; i++)\r
656                 {\r
657                         STR_WriteChunk(i, pc_EncryptStrings);\r
658                 }\r
659         }\r
660         else if(STR_ListSize(0) > 0)\r
661         {\r
662                 STR_WriteChunk(0, pc_EncryptStrings);\r
663         }\r
664 \r
665         STR_WriteListChunk(STRLIST_PICS, MAKE4CC('P','I','C','S'), NO);\r
666         if(MapVariablesInit)\r
667         {\r
668                 int j;\r
669 \r
670                 for(i = 0; i < pa_MapVarCount; ++i)\r
671                 {\r
672                         if(MapVariables[i].initializer != 0)\r
673                                 break;\r
674                 }\r
675                 for(j = pa_MapVarCount-1; j > i; --j)\r
676                 {\r
677                         if(MapVariables[j].initializer != 0)\r
678                                 break;\r
679                 }\r
680                 ++j;\r
681 \r
682                 if (i < j)\r
683                 {\r
684                         PC_Append("MINI", 4);\r
685                         PC_AppendLong((j-i)*4+4);\r
686                         PC_AppendLong(i);                                               // First map var defined\r
687                         for(; i < j; ++i)\r
688                         {\r
689                                 PC_AppendLong(MapVariables[i].initializer);\r
690                         }\r
691                 }\r
692         }\r
693 \r
694         // If this is a library, record which map variables are\r
695         // initialized with strings.\r
696         if(ImportMode == IMPORT_Exporting)\r
697         {\r
698                 count = 0;\r
699 \r
700                 for(i = 0; i < pa_MapVarCount; ++i)\r
701                 {\r
702                         if(MapVariables[i].isString)\r
703                         {\r
704                                 ++count;\r
705                         }\r
706                 }\r
707                 if(count > 0)\r
708                 {\r
709                         PC_Append("MSTR", 4);\r
710                         PC_AppendLong(count*4);\r
711                         for(i = 0; i < pa_MapVarCount; ++i)\r
712                         {\r
713                                 if(MapVariables[i].isString)\r
714                                 {\r
715                                         PC_AppendLong(i);\r
716                                 }\r
717                         }\r
718                 }\r
719 \r
720                 // Now do the same thing for arrays.\r
721                 for(count = 0, i = 0; i < pa_MapVarCount; ++i)\r
722                 {\r
723                         if(ArrayOfStrings[i])\r
724                         {\r
725                                 ++count;\r
726                         }\r
727                 }\r
728                 if(count > 0)\r
729                 {\r
730                         PC_Append("ASTR", 4);\r
731                         PC_AppendLong(count*4);\r
732                         for(i = 0; i < pa_MapVarCount; ++i)\r
733                         {\r
734                                 if(ArrayOfStrings[i])\r
735                                 {\r
736                                         PC_AppendLong(i);\r
737                                 }\r
738                         }\r
739                 }\r
740         }\r
741 \r
742         // Publicize the names of map variables in a library.\r
743         if(ImportMode == IMPORT_Exporting)\r
744         {\r
745                 for(i = 0; i < pa_MapVarCount; ++i)\r
746                 {\r
747                         if(!MapVariables[i].imported)\r
748                         {\r
749                                 STR_AppendToList(STRLIST_MAPVARS, MapVariables[i].name);\r
750                         }\r
751                         else\r
752                         {\r
753                                 STR_AppendToList(STRLIST_MAPVARS, NULL);\r
754                         }\r
755                 }\r
756                 STR_WriteListChunk(STRLIST_MAPVARS, MAKE4CC('M','E','X','P'), NO);\r
757         }\r
758 \r
759         // Record the names of imported map variables\r
760         count = 0;\r
761         for(i = 0; i < pa_MapVarCount; ++i)\r
762         {\r
763                 if(MapVariables[i].imported && !ArraySizes[i])\r
764                 {\r
765                         count += 5 + strlen(MapVariables[i].name);\r
766                 }\r
767         }\r
768         if(count > 0)\r
769         {\r
770                 PC_Append("MIMP", 4);\r
771                 PC_AppendLong(count);\r
772                 for(i = 0; i < pa_MapVarCount; ++i)\r
773                 {\r
774                         if(MapVariables[i].imported && !ArraySizes[i])\r
775                         {\r
776                                 PC_AppendLong(i);\r
777                                 PC_AppendString(MapVariables[i].name);\r
778                         }\r
779                 }\r
780         }\r
781 \r
782         if(NumArrays)\r
783         {\r
784                 int count;\r
785 \r
786                 // Arrays defined here\r
787                 for(count = 0, i = 0; i < pa_MapVarCount; ++i)\r
788                 {\r
789                         if(ArraySizes[i] && !MapVariables[i].imported)\r
790                         {\r
791                                 ++count;\r
792                         }\r
793                 }\r
794                 if(count)\r
795                 {\r
796                         PC_Append("ARAY", 4);\r
797                         PC_AppendLong(count*8);\r
798                         for(i = 0; i < pa_MapVarCount; ++i)\r
799                         {\r
800                                 if(ArraySizes[i] && !MapVariables[i].imported)\r
801                                 {\r
802                                         PC_AppendLong(i);\r
803                                         PC_AppendLong(ArraySizes[i]);\r
804                                 }\r
805                         }\r
806                         for(i = 0; i < pa_MapVarCount; ++i)\r
807                         {\r
808                                 if(ArrayInits[i])\r
809                                 {\r
810                                         int j;\r
811 \r
812                                         PC_Append("AINI", 4);\r
813                                         PC_AppendLong(ArraySizes[i]*4+4);\r
814                                         PC_AppendLong((U_LONG)i);\r
815                                         for(j = 0; j < ArraySizes[i]; ++j)\r
816                                         {\r
817                                                 PC_AppendLong((U_LONG)ArrayInits[i][j]);\r
818                                         }\r
819                                 }\r
820                         }\r
821                 }\r
822 \r
823                 // Arrays imported from elsewhere\r
824                 for(count = 0, j = i = 0; i < pa_MapVarCount; ++i)\r
825                 {\r
826                         if(ArraySizes[i] && MapVariables[i].imported)\r
827                         {\r
828                                 count += 9 + strlen(MapVariables[i].name);\r
829                                 ++j;\r
830                         }\r
831                 }\r
832                 if(count)\r
833                 {\r
834                         PC_Append("AIMP", 4);\r
835                         PC_AppendLong(count+4);\r
836                         PC_AppendLong(j);\r
837                         for(i = 0; i < pa_MapVarCount; ++i)\r
838                         {\r
839                                 if(ArraySizes[i] && MapVariables[i].imported)\r
840                                 {\r
841                                         PC_AppendLong(i);\r
842                                         PC_AppendLong(ArraySizes[i]);\r
843                                         PC_AppendString(MapVariables[i].name);\r
844                                 }\r
845                         }\r
846                 }\r
847         }\r
848 \r
849         // Add a dummy chunk to indicate if this object is a library.\r
850         if(ImportMode == IMPORT_Exporting)\r
851         {\r
852                 PC_Append("ALIB", 4);\r
853                 PC_AppendLong(0);\r
854         }\r
855 \r
856         // Record libraries imported by this object.\r
857         if(NumImports > 0)\r
858         {\r
859                 count = 0;\r
860                 for(i = 0; i < NumImports; ++i)\r
861                 {\r
862                         count += strlen(Imports[i]) + 1;\r
863                 }\r
864                 if(count > 0)\r
865                 {\r
866                         PC_Append("LOAD", 4);\r
867                         PC_AppendLong(count);\r
868                         for(i = 0; i < NumImports; ++i)\r
869                         {\r
870                                 PC_AppendString(Imports[i]);\r
871                         }\r
872                 }\r
873         }\r
874 \r
875         PC_AppendLong((U_LONG)chunkStart);\r
876         if(pc_NoShrink)\r
877         {\r
878                 PC_Append("ACSE", 4);\r
879         }\r
880         else\r
881         {\r
882                 PC_Append("ACSe", 4);\r
883         }\r
884         PC_WriteLong((U_LONG)pc_Address, 4);\r
885 \r
886         // WadAuthor compatibility when creating a library is pointless, because\r
887         // that editor does not know anything about libraries and will never\r
888         // find their scripts ever.\r
889         if(pc_WadAuthor && ImportMode != IMPORT_Exporting)\r
890         {\r
891                 RecordDummyScripts();\r
892         }\r
893         else\r
894         {\r
895                 PC_AppendLong(0);\r
896         }\r
897         PC_AppendLong(0);\r
898 }\r
899 \r
900 //==========================================================================\r
901 //\r
902 // CreateDummyScripts\r
903 //\r
904 //==========================================================================\r
905 \r
906 static void CreateDummyScripts(void)\r
907 {\r
908         int i;\r
909 \r
910         MS_Message(MSG_DEBUG, "Creating dummy scripts to make WadAuthor happy.\n");\r
911         if(pc_Address%4 != 0)\r
912         { // Need to align\r
913                 U_LONG pad = 0;\r
914                 PC_Append((void *)&pad, 4-(pc_Address%4));\r
915         }\r
916         pc_DummyAddress = pc_Address;\r
917         for(i = 0; i < pc_ScriptCount; ++i)\r
918         {\r
919                 if(!ScriptInfo[i].imported)\r
920                 {\r
921                         PC_AppendCmd(PCD_TERMINATE);\r
922                         if(!pc_NoShrink)\r
923                         {\r
924                                 PC_AppendCmd(PCD_NOP);\r
925                                 PC_AppendCmd(PCD_NOP);\r
926                                 PC_AppendCmd(PCD_NOP);\r
927                         }\r
928                 }\r
929         }\r
930 }\r
931 \r
932 //==========================================================================\r
933 //\r
934 // RecordDummyScripts\r
935 //\r
936 //==========================================================================\r
937 \r
938 static void RecordDummyScripts(void)\r
939 {\r
940         int i, count;\r
941 \r
942         for(i = count = 0; i < pc_ScriptCount; ++i)\r
943         {\r
944                 if(!ScriptInfo[i].imported)\r
945                 {\r
946                         ++count;\r
947                 }\r
948         }\r
949         PC_AppendLong((U_LONG)count);\r
950         for(i = 0; i < pc_ScriptCount; ++i)\r
951         {\r
952                 scriptInfo_t *info = &ScriptInfo[i];\r
953                 if(!info->imported)\r
954                 {\r
955                         MS_Message(MSG_DEBUG, "Dummy script %d, address = %d, arg count = %d\n",\r
956                                 info->number, info->address, info->argCount);\r
957                         PC_AppendLong((U_LONG)info->number);\r
958                         PC_AppendLong((U_LONG)pc_DummyAddress + i*4);\r
959                         PC_AppendLong((U_LONG)info->argCount);\r
960                 }\r
961         }\r
962 }\r
963 \r
964 //==========================================================================\r
965 //\r
966 // GrowBuffer\r
967 //\r
968 //==========================================================================\r
969 \r
970 void GrowBuffer(void)\r
971 {\r
972         ptrdiff_t buffpos = pc_BufferPtr - pc_Buffer;\r
973 \r
974         BufferSize *= 2;\r
975         pc_Buffer = MS_Realloc(pc_Buffer, BufferSize, ERR_PCODE_BUFFER_OVERFLOW);\r
976         pc_BufferPtr = pc_Buffer + buffpos;\r
977 }\r
978 \r
979 //==========================================================================\r
980 //\r
981 // PC_Append functions\r
982 //\r
983 //==========================================================================\r
984 \r
985 static void Append(void *buffer, size_t size)\r
986 {\r
987         if (ImportMode != IMPORT_Importing)\r
988         {\r
989                 if(pc_Address+size > BufferSize)\r
990                 {\r
991                         GrowBuffer ();\r
992                 }\r
993                 memcpy(pc_BufferPtr, buffer, size);\r
994                 pc_BufferPtr += size;\r
995                 pc_Address += size;\r
996         }\r
997 }\r
998 \r
999 void PC_Append(void *buffer, size_t size)\r
1000 {\r
1001         if (ImportMode != IMPORT_Importing)\r
1002         {\r
1003                 MS_Message(MSG_DEBUG, "AD> %06d = (%d bytes)\n", pc_Address, size);\r
1004                 Append(buffer, size);\r
1005         }\r
1006 }\r
1007 \r
1008 void PC_AppendByte(U_BYTE val)\r
1009 {\r
1010         if (ImportMode != IMPORT_Importing)\r
1011         {\r
1012                 MS_Message(MSG_DEBUG, "AB> %06d = %d\n", pc_Address, val);\r
1013                 Append(&val, sizeof(U_BYTE));\r
1014         }\r
1015 }\r
1016 \r
1017 void PC_AppendWord(U_WORD val)\r
1018 {\r
1019         if (ImportMode != IMPORT_Importing)\r
1020         {\r
1021                 MS_Message(MSG_DEBUG, "AW> %06d = %d\n", pc_Address, val);\r
1022                 val = MS_LittleUWORD(val);\r
1023                 Append(&val, sizeof(U_WORD));\r
1024         }\r
1025 }\r
1026 \r
1027 void PC_AppendLong(U_LONG val)\r
1028 {\r
1029         if (ImportMode != IMPORT_Importing)\r
1030         {\r
1031                 MS_Message(MSG_DEBUG, "AL> %06d = %d\n", pc_Address, val);\r
1032                 val = MS_LittleULONG(val);\r
1033                 Append(&val, sizeof(U_LONG));\r
1034         }\r
1035 }\r
1036 \r
1037 void PC_AppendString(char *string)\r
1038 {\r
1039         if (ImportMode != IMPORT_Importing)\r
1040         {\r
1041                 int length;\r
1042 \r
1043                 length = strlen(string)+1;\r
1044                 MS_Message(MSG_DEBUG, "AS> %06d = \"%s\" (%d bytes)\n",\r
1045                         pc_Address, string, length);\r
1046                 Append(string, length);\r
1047         }\r
1048 }\r
1049 \r
1050 void PC_AppendCmd(pcd_t command)\r
1051 {\r
1052         if (ImportMode != IMPORT_Importing)\r
1053         {\r
1054                 pc_LastAppendedCommand = command;\r
1055                 if (pc_NoShrink)\r
1056                 {\r
1057                         MS_Message(MSG_DEBUG, "AC> %06d = #%d:%s\n", pc_Address,\r
1058                                 command, PCDNames[command]);\r
1059                         command = MS_LittleULONG(command);\r
1060                         Append(&command, sizeof(U_LONG));\r
1061                 }\r
1062                 else\r
1063                 {\r
1064                         U_BYTE cmd;\r
1065                         if (command != PCD_PUSHBYTE && PushByteAddr)\r
1066                         { // Maybe shrink a PCD_PUSHBYTE sequence into PCD_PUSHBYTES\r
1067                                 int runlen = (pc_Address - PushByteAddr) / 2;\r
1068                                 int i;\r
1069 \r
1070                                 if (runlen > 5)\r
1071                                 {\r
1072                                         pc_Buffer[PushByteAddr] = PCD_PUSHBYTES;\r
1073                                         for (i = 0; i < runlen; i++)\r
1074                                         {\r
1075                                                 pc_Buffer[PushByteAddr+i+2] = pc_Buffer[PushByteAddr+i*2+1];\r
1076                                         }\r
1077                                         pc_Buffer[PushByteAddr+1] = runlen;\r
1078                                         pc_Address = PushByteAddr + runlen + 2;\r
1079                                         pc_BufferPtr = pc_Buffer + pc_Address;\r
1080                                         MS_Message (MSG_DEBUG, "AC> Last %d PCD_PUSHBYTEs changed to #%d:PCD_PUSHBYTES\n",\r
1081                                                 runlen, PCD_PUSHBYTES);\r
1082                                 }\r
1083                                 else if (runlen > 1)\r
1084                                 {\r
1085                                         pc_Buffer[PushByteAddr] = PCD_PUSH2BYTES + runlen - 2;\r
1086                                         for (i = 1; i < runlen; i++)\r
1087                                         {\r
1088                                                 pc_Buffer[PushByteAddr+1+i] = pc_Buffer[PushByteAddr+1+i*2];\r
1089                                         }\r
1090                                         pc_Address = PushByteAddr + runlen + 1;\r
1091                                         pc_BufferPtr = pc_Buffer + pc_Address;\r
1092                                         MS_Message (MSG_DEBUG, "AC> Last %d PCD_PUSHBYTEs changed to #%d:PCD_PUSH%dBYTES\n",\r
1093                                                 runlen, PCD_PUSH2BYTES+runlen-2, runlen);\r
1094                                 }\r
1095                                 PushByteAddr = 0;\r
1096                         }\r
1097                         else if (command == PCD_PUSHBYTE && PushByteAddr == 0)\r
1098                         { // Remember the first PCD_PUSHBYTE, in case there are more\r
1099                                 PushByteAddr = pc_Address;\r
1100                         }\r
1101                         MS_Message(MSG_DEBUG, "AC> %06d = #%d:%s\n", pc_Address,\r
1102                                 command, PCDNames[command]);\r
1103 \r
1104                         if (command < 256-16)\r
1105                         {\r
1106                                 cmd = command;\r
1107                                 Append(&cmd, sizeof(U_BYTE));\r
1108                         }\r
1109                         else\r
1110                         {\r
1111                                 // Room for expansion: The top 16 pcodes in the [0,255]\r
1112                                 // range select a set of pcodes, and the next byte is\r
1113                                 // the pcode in that set.\r
1114                                 cmd = ((command - (256-16)) >> 8) + (256-16);\r
1115                                 Append(&cmd, sizeof(U_BYTE));\r
1116                                 cmd = (command - (256-16)) & 255;\r
1117                                 Append(&cmd, sizeof(U_BYTE));\r
1118                         }\r
1119                 }\r
1120         }\r
1121 }\r
1122 \r
1123 //==========================================================================\r
1124 //\r
1125 // PC_AppendShrink\r
1126 //\r
1127 //==========================================================================\r
1128 \r
1129 void PC_AppendShrink(U_BYTE val)\r
1130 {\r
1131         if(pc_NoShrink)\r
1132         {\r
1133                 PC_AppendLong(val);\r
1134         }\r
1135         else\r
1136         {\r
1137                 PC_AppendByte(val);\r
1138         }\r
1139 }\r
1140 \r
1141 //==========================================================================\r
1142 //\r
1143 // PC_AppendPushVal\r
1144 //\r
1145 //==========================================================================\r
1146 \r
1147 void PC_AppendPushVal(U_LONG val)\r
1148 {\r
1149         if(pc_NoShrink || val > 255)\r
1150         {\r
1151                 PC_AppendCmd(PCD_PUSHNUMBER);\r
1152                 PC_AppendLong(val);\r
1153         }\r
1154         else\r
1155         {\r
1156                 PC_AppendCmd(PCD_PUSHBYTE);\r
1157                 PC_AppendByte((U_BYTE)val);\r
1158         }\r
1159 }\r
1160 \r
1161 //==========================================================================\r
1162 //\r
1163 // PC_Write functions\r
1164 //\r
1165 //==========================================================================\r
1166 \r
1167 static void Write(void *buffer, size_t size, int address)\r
1168 {\r
1169         if (ImportMode != IMPORT_Importing)\r
1170         {\r
1171                 if(address+size > BufferSize)\r
1172                 {\r
1173                         GrowBuffer();\r
1174                 }\r
1175                 memcpy(pc_Buffer+address, buffer, size);\r
1176         }\r
1177 }\r
1178 \r
1179 void PC_Write(void *buffer, size_t size, int address)\r
1180 {\r
1181         if (ImportMode != IMPORT_Importing)\r
1182         {\r
1183                 MS_Message(MSG_DEBUG, "WD> %06d = (%d bytes)\n", address, size);\r
1184                 Write(buffer, size, address);\r
1185         }\r
1186 }\r
1187 \r
1188 void PC_WriteByte(U_BYTE val, int address)\r
1189 {\r
1190         if (ImportMode != IMPORT_Importing)\r
1191         {\r
1192                 MS_Message(MSG_DEBUG, "WB> %06d = %d\n", address, val);\r
1193                 Write(&val, sizeof(U_BYTE), address);\r
1194         }\r
1195 }\r
1196 \r
1197 /*\r
1198 void PC_WriteWord(U_WORD val, int address)\r
1199 {\r
1200         MS_Message(MSG_DEBUG, "WW> %06d = %d\n", address, val);\r
1201         val = MS_LittleUWORD(val);\r
1202         Write(&val, sizeof(U_WORD), address);\r
1203 }\r
1204 */\r
1205 \r
1206 void PC_WriteLong(U_LONG val, int address)\r
1207 {\r
1208         if (ImportMode != IMPORT_Importing)\r
1209         {\r
1210                 MS_Message(MSG_DEBUG, "WL> %06d = %d\n", address, val);\r
1211                 val = MS_LittleULONG(val);\r
1212                 Write(&val, sizeof(U_LONG), address);\r
1213         }\r
1214         pc_LastAppendedCommand = PCD_NOP;\r
1215 }\r
1216 \r
1217 void PC_WriteString(char *string, int address)\r
1218 {\r
1219         if (ImportMode != IMPORT_Importing)\r
1220         {\r
1221                 int length;\r
1222 \r
1223                 length = strlen(string)+1;\r
1224                 MS_Message(MSG_DEBUG, "WS> %06d = \"%s\" (%d bytes)\n",\r
1225                         address, string, length);\r
1226                 Write(string, length, address);\r
1227         }\r
1228 }\r
1229 \r
1230 void PC_WriteCmd(pcd_t command, int address)\r
1231 {\r
1232         if (ImportMode != IMPORT_Importing)\r
1233         {\r
1234                 MS_Message(MSG_DEBUG, "WC> %06d = #%d:%s\n", address,\r
1235                         command, PCDNames[command]);\r
1236                 command = MS_LittleULONG(command);\r
1237                 Write(&command, sizeof(U_LONG), address);\r
1238         }\r
1239 }\r
1240 \r
1241 //==========================================================================\r
1242 //\r
1243 // PC_Skip functions\r
1244 //\r
1245 //==========================================================================\r
1246 \r
1247 static void Skip(size_t size)\r
1248 {\r
1249         if (ImportMode != IMPORT_Importing)\r
1250         {\r
1251                 if(pc_Address+size > BufferSize)\r
1252                 {\r
1253                         GrowBuffer();\r
1254                 }\r
1255                 pc_BufferPtr += size;\r
1256                 pc_Address += size;\r
1257         }\r
1258 }\r
1259 \r
1260 void PC_Skip(size_t size)\r
1261 {\r
1262         if (ImportMode != IMPORT_Importing)\r
1263         {\r
1264                 MS_Message(MSG_DEBUG, "SD> %06d (skip %d bytes)\n", pc_Address, size);\r
1265                 Skip(size);\r
1266         }\r
1267 }\r
1268 \r
1269 /*\r
1270 void PC_SkipByte(void)\r
1271 {\r
1272         MS_Message(MSG_DEBUG, "SB> %06d (skip byte)\n", pc_Address);\r
1273         Skip(sizeof(U_BYTE));\r
1274 }\r
1275 */\r
1276 \r
1277 /*\r
1278 void PC_SkipWord(void)\r
1279 {\r
1280         MS_Message(MSG_DEBUG, "SW> %06d (skip word)\n", pc_Address);\r
1281         Skip(sizeof(U_WORD));\r
1282 }\r
1283 */\r
1284 \r
1285 void PC_SkipLong(void)\r
1286 {\r
1287         if (ImportMode != IMPORT_Importing)\r
1288         {\r
1289                 MS_Message(MSG_DEBUG, "SL> %06d (skip long)\n", pc_Address);\r
1290                 Skip(sizeof(U_LONG));\r
1291         }\r
1292 }\r
1293 \r
1294 //==========================================================================\r
1295 //\r
1296 // PC_PutMapVariable\r
1297 //\r
1298 //==========================================================================\r
1299 \r
1300 void PC_PutMapVariable(int index, int value)\r
1301 {\r
1302         if(index < MAX_MAP_VARIABLES)\r
1303         {\r
1304                 MapVariables[index].isString = pa_ConstExprIsString;\r
1305                 MapVariables[index].initializer = value;\r
1306                 MapVariablesInit = YES;\r
1307         }\r
1308 }\r
1309 \r
1310 //==========================================================================\r
1311 //\r
1312 // PC_NameMapVariable\r
1313 //\r
1314 //==========================================================================\r
1315 \r
1316 void PC_NameMapVariable(int index, symbolNode_t *sym)\r
1317 {\r
1318         if(index < MAX_MAP_VARIABLES)\r
1319         {\r
1320                 MapVariables[index].name = sym->name;\r
1321                 MapVariables[index].imported = sym->imported;\r
1322         }\r
1323 }\r
1324 \r
1325 //==========================================================================\r
1326 //\r
1327 // PC_AddScript\r
1328 //\r
1329 //==========================================================================\r
1330 \r
1331 void PC_AddScript(int inNumber, int argCount)\r
1332 {\r
1333         scriptInfo_t *script;\r
1334         int i;\r
1335         U_BYTE type;\r
1336         U_WORD flags;\r
1337         U_WORD number;\r
1338 \r
1339         type = (inNumber & 65535) / 1000;\r
1340         number = (inNumber & 65535) % 1000;\r
1341         flags = (inNumber >> 16) & 65535;\r
1342 \r
1343         if (flags != 0)\r
1344         {\r
1345                 HaveScriptFlags = YES;\r
1346         }\r
1347 \r
1348         for (i = 0; i < pc_ScriptCount; i++)\r
1349         {\r
1350                 if (ScriptInfo[i].number == number)\r
1351                 {\r
1352                         ERR_Error(ERR_SCRIPT_ALREADY_DEFINED, YES);\r
1353                 }\r
1354         }\r
1355         if(pc_ScriptCount == MAX_SCRIPT_COUNT)\r
1356         {\r
1357                 ERR_Error(ERR_TOO_MANY_SCRIPTS, YES);\r
1358         }\r
1359         else\r
1360         {\r
1361                 script = &ScriptInfo[pc_ScriptCount];\r
1362                 script->number = number;\r
1363                 script->type = type;\r
1364                 script->address = (ImportMode == IMPORT_Importing) ? 0 : pc_Address;\r
1365                 script->argCount = argCount;\r
1366                 script->flags = flags;\r
1367                 script->srcLine = tk_Line;\r
1368                 script->imported = (ImportMode == IMPORT_Importing) ? YES : NO;\r
1369                 pc_ScriptCount++;\r
1370         }\r
1371 }\r
1372 \r
1373 //==========================================================================\r
1374 //\r
1375 // PC_SetScriptVarCount\r
1376 //\r
1377 // Sets the number of local variables used by a script, including\r
1378 // arguments.\r
1379 //\r
1380 //==========================================================================\r
1381 \r
1382 void PC_SetScriptVarCount(int inNumber, int varCount)\r
1383 {\r
1384         int i;\r
1385         U_BYTE type;\r
1386         U_WORD number;\r
1387 \r
1388         type = (inNumber & 65535) / 1000;\r
1389         number = (inNumber & 65535) % 1000;\r
1390 \r
1391         for(i = 0; i < pc_ScriptCount; i++)\r
1392         {\r
1393                 if(ScriptInfo[i].number == number)\r
1394                 {\r
1395                         ScriptInfo[i].varCount = varCount;\r
1396                         break;\r
1397                 }\r
1398         }\r
1399 }\r
1400 \r
1401 //==========================================================================\r
1402 //\r
1403 // PC_AddFunction\r
1404 //\r
1405 //==========================================================================\r
1406 \r
1407 void PC_AddFunction(symbolNode_t *sym)\r
1408 {\r
1409         functionInfo_t *function;\r
1410 \r
1411         if(pc_FunctionCount == MAX_FUNCTION_COUNT)\r
1412         {\r
1413                 ERR_Error(ERR_TOO_MANY_FUNCTIONS, YES, NULL);\r
1414         }\r
1415         function = &FunctionInfo[pc_FunctionCount];\r
1416         function->hasReturnValue = (U_BYTE)sym->info.scriptFunc.hasReturnValue;\r
1417         function->argCount = (U_BYTE)sym->info.scriptFunc.argCount;\r
1418         function->localCount = (U_BYTE)sym->info.scriptFunc.varCount;\r
1419         function->name = STR_AppendToList (STRLIST_FUNCTIONS, sym->name);\r
1420         function->address = sym->info.scriptFunc.address;\r
1421         sym->info.scriptFunc.funcNumber = pc_FunctionCount;\r
1422         pc_FunctionCount++;\r
1423 }\r
1424 \r
1425 //==========================================================================\r
1426 //\r
1427 // PC_AddArray\r
1428 //\r
1429 //==========================================================================\r
1430 \r
1431 void PC_AddArray(int index, int size)\r
1432 {\r
1433         NumArrays++;\r
1434         ArraySizes[index] = size;\r
1435 }\r
1436 \r
1437 //==========================================================================\r
1438 //\r
1439 // PC_InitArray\r
1440 //\r
1441 //==========================================================================\r
1442 \r
1443 void PC_InitArray(int index, int *entries, boolean hasStrings)\r
1444 {\r
1445         int i;\r
1446 \r
1447         // If the array is just initialized to zeros, then we don't need to\r
1448         // remember the initializer.\r
1449         for(i = 0; i < ArraySizes[index]; ++i)\r
1450         {\r
1451                 if(entries[i] != 0)\r
1452                 {\r
1453                         break;\r
1454                 }\r
1455         }\r
1456         if(i < ArraySizes[index])\r
1457         {\r
1458                 ArrayInits[index] = MS_Alloc(ArraySizes[index]*sizeof(int), ERR_OUT_OF_MEMORY);\r
1459                 memcpy(ArrayInits[index], entries, ArraySizes[index]*sizeof(int));\r
1460         }\r
1461         ArrayOfStrings[index] = hasStrings;\r
1462 }\r
1463 \r
1464 //==========================================================================\r
1465 //\r
1466 // PC_AddImport\r
1467 //\r
1468 //==========================================================================\r
1469 \r
1470 int PC_AddImport(char *name)\r
1471 {\r
1472         if (NumImports >= MAX_IMPORTS)\r
1473         {\r
1474                 ERR_Exit(ERR_TOO_MANY_IMPORTS, YES);\r
1475         }\r
1476         strncpy(Imports[NumImports], name, 8);\r
1477         return NumImports++;\r
1478 }\r