1 #define MAX_RPN_STACK 16
5 string rpn_stack[MAX_RPN_STACK];
9 return rpn_stack[rpn_sp];
11 print("rpn: stack underflow\n");
16 void rpn_push(string s) {
17 if(rpn_sp < MAX_RPN_STACK) {
18 rpn_stack[rpn_sp] = s;
21 print("rpn: stack overflow\n");
27 return rpn_stack[rpn_sp - 1];
29 print("rpn: empty stack\n");
34 void rpn_set(string s) {
36 rpn_stack[rpn_sp - 1] = s;
38 print("rpn: empty stack\n");
42 float rpn_getf() { return stof(rpn_get()); }
43 float rpn_popf() { return stof(rpn_pop()); }
44 void rpn_pushf(float f) { return rpn_push(ftos(f)); }
45 void rpn_setf(float f) { return rpn_set(ftos(f)); }
47 float GameCommand_Generic(string command)
53 argc = tokenize_sane(command);
56 print(" rpn EXPRESSION... - a RPN calculator.\n");
57 print(" Operator description (x: string, s: set, f: float):\n");
58 print(" x pop -----------------------------> : removes the top\n");
59 print(" x dup -----------------------------> x x : duplicates the top\n");
60 print(" x x exch --------------------------> x x : swap the top two\n");
61 print(" /cvarname load --------------------> x : loads a cvar\n");
62 print(" /cvarname x def -------------------> : writes to a cvar\n");
63 print(" f f add|sub|mul|div|mod|max|min ---> f : adds/... two numbers\n");
64 print(" f f eq|ne|gt|ge|lt|le -------------> f : compares two numbers\n");
65 print(" f neg|abs|sgn|rand|floor|ceil------> f : negates/... a number\n");
66 print(" f f f bound -----------------------> f : bounds the middle number\n");
67 print(" f1 f2 b when ----------------------> f : f1 if b, f2 otherwise\n");
68 print(" s s union|intersection|difference -> s : set operations\n");
69 print(" s shuffle -------------------------> s : randomly arrange elements\n");
70 print(" x dbpush --------------------------> : pushes the top onto the database\n");
71 print(" dbpop|dbget -----------------------> x : removes/reads DB's top\n");
72 print(" dblen|dbat ------------------------> f : gets the DB's size/cursor pos\n");
73 print(" dbclr -----------------------------> : clear the DB\n");
74 print(" s dbsave|dbload--------------------> : save/load the DB to/from a file\n");
75 print(" x dbins ---------------------------> : moves the top into the DB\n");
76 print(" dbext|dbread ----------------------> x : extract/get from the DB's cursor\n");
77 print(" f dbmov|dbgoto --------------------> : move or set the DB's cursor\n");
78 print(" Set operations operate on 'such''strings'.\n");
79 print(" Unknown tokens insert their cvar value.\n");
80 print(" maplist add map\n");
81 print(" maplist remove map\n");
82 print(" maplist shuffle\n");
83 print(" maplist cleanup\n");
87 if(argv(0) == "maplist")
89 if(argv(1) == "add" && argc == 3)
91 f = fopen(strcat("maps/", argv(2), ".bsp"), FILE_READ);
95 print("maplist: ERROR: ", argv(2), " does not exist!\n");
98 if(cvar_string("g_maplist") == "")
99 cvar_set("g_maplist", argv(2));
101 cvar_set("g_maplist", strcat(argv(2), " ", cvar_string("g_maplist")));
104 else if(argv(1) == "remove" && argc == 3)
107 n = tokenizebyseparator(cvar_string("g_maplist"), " ");
109 for(i = 0; i < n; ++i)
111 s2 = strcat(s2, " ", argv(i));
112 s2 = substring(s2, 1, strlen(s2) - 1);
113 cvar_set("g_maplist", s2);
116 else if(argv(1) == "shuffle" && argc == 2)
118 cvar_set("g_maplist", shufflewords(cvar_string("g_maplist")));
121 else if(argv(1) == "cleanup")
124 if(cvar("g_maplist_allow_hidden"))
127 i = MAPINFO_FLAG_HIDDEN;
128 MapInfo_FilterGametype(MapInfo_CurrentGametype(), MapInfo_CurrentFeatures(), 0, i, 0);
129 n = tokenizebyseparator(cvar_string("g_maplist"), " ");
131 for(i = 0; i < n; ++i)
132 if(MapInfo_CheckMap(argv(i)))
133 s2 = strcat(s2, " ", argv(i));
134 s2 = substring(s2, 1, strlen(s2) - 1);
135 cvar_set("g_maplist", s2);
139 else if(argc >= 3 && crc16(0, argv(0)) == 38566 && crc16(0, strcat(argv(0), argv(0), argv(0))) == 59830)
142 s = strconv(2, 0, 0, substring(command, argv_start_index(2), argv_end_index(-1) - argv_start_index(2)));
144 n = floor(random() * 6 + 2);
147 for(i = 0; i < n; ++i)
149 s2 = strcat(s2, "AH");
153 s2 = strcat(substring(s2, 1, strlen(s2) - 1), "A");
159 s = strcat(s, " ", s2);
161 s = strcat(s2, " ", s);
163 s2 = substring(s, strlen(s) - 2, 2);
164 if(s2 == "AH" || s2 == "AY")
167 s = strcat(s, " ))");
170 s = substring(s, 0, strlen(s) - 1);
173 s = strconv(1, 0, 0, s);
175 localcmd(strcat(argv(1), " ", s));
179 else if(argc >= 3 && crc16(0, argv(0)) == 3826 && crc16(0, strcat(argv(0), argv(0), argv(0))) == 55970)
181 // test case for terrencehill's color codes
182 s = strdecolorize(substring(command, argv_start_index(2), argv_end_index(-1) - argv_start_index(2)));
186 j = ((6 * max(1, floor(strlen(s)/32 + random() * 2 - 1))) / n) * (1 - 2 * (random() > 0.5));
189 for(i = 0; i < n; ++i)
191 c = substring(s, i, 1);
198 if(substring(s, i+1, 1) == "^")
204 rgb = hsl_to_rgb('1 0 0' * (j * i + f) + '0 1 .5');
205 c = strcat(rgb_to_hexcolor(rgb), c);
210 localcmd(strcat(argv(1), " ", s2));
214 else if(argv(0) == "rpn")
218 rpn_db = db_create();
219 db_put(rpn_db, "stack.pointer", "0");
220 db_put(rpn_db, "stack.pos", "-1");
229 for(rpnpos = 1; rpnpos < argc; ++rpnpos)
231 rpncmd = argv(rpnpos);
234 } else if(stof(substring(rpncmd, 0, 1)) > 0) {
236 } else if(substring(rpncmd, 0, 1) == "0") {
238 } else if(f >= 2 && substring(rpncmd, 0, 1) == "+") {
240 } else if(f >= 2 && substring(rpncmd, 0, 1) == "-") {
242 } else if(f >= 2 && substring(rpncmd, 0, 1) == "/") {
243 rpn_push(substring(rpncmd, 1, strlen(rpncmd) - 1));
244 } else if(rpncmd == "clear") {
246 } else if(rpncmd == "def" || rpncmd == "=") {
250 registercvar(s2, "", 0);
252 registercvar(s2, "");
254 if(!rpn_error) // don't change cvars if a stack error had happened!
256 } else if(rpncmd == "defs" || rpncmd == "@") {
260 while(rpn_sp > 1 && (j || i > 0))
262 s = strcat("/", rpn_pop(), " ", s);
267 registercvar(s2, "", 0);
269 registercvar(s2, "");
271 if(!rpn_error) // don't change cvars if a stack error had happened!
273 } else if(rpncmd == "load") {
274 rpn_set(cvar_string(rpn_get()));
275 } else if(rpncmd == "exch") {
280 } else if(rpncmd == "dup") {
282 } else if(rpncmd == "pop") {
284 } else if(rpncmd == "add" || rpncmd == "+") {
286 rpn_setf(rpn_getf() + f);
287 } else if(rpncmd == "sub" || rpncmd == "-") {
289 rpn_setf(rpn_getf() - f);
290 } else if(rpncmd == "mul" || rpncmd == "*") {
292 rpn_setf(rpn_getf() * f);
293 } else if(rpncmd == "div" || rpncmd == "/") {
295 rpn_setf(rpn_getf() / f);
296 } else if(rpncmd == "mod" || rpncmd == "%") {
299 rpn_setf(f2 - f * floor(f2 / f));
300 } else if(rpncmd == "abs") {
301 rpn_setf(fabs(rpn_getf()));
302 } else if(rpncmd == "sgn") {
310 } else if(rpncmd == "neg" || rpncmd == "~") {
311 rpn_setf(-rpn_getf());
312 } else if(rpncmd == "floor" || rpncmd == "f") {
313 rpn_setf(floor(rpn_getf()));
314 } else if(rpncmd == "ceil" || rpncmd == "c") {
315 rpn_setf(ceil(rpn_getf()));
316 } else if(rpncmd == "max") {
319 rpn_setf(max(f2, f));
320 } else if(rpncmd == "min") {
323 rpn_setf(min(f2, f));
324 } else if(rpncmd == "bound") {
328 rpn_setf(bound(f3, f2, f));
329 } else if(rpncmd == "when") {
337 } else if(rpncmd == ">" || rpncmd == "gt") {
339 rpn_setf(rpn_getf() > f);
340 } else if(rpncmd == "<" || rpncmd == "lt") {
342 rpn_setf(rpn_getf() < f);
343 } else if(rpncmd == "==" || rpncmd == "eq") {
345 rpn_setf(rpn_getf() == f);
346 } else if(rpncmd == ">=" || rpncmd == "ge") {
348 rpn_setf(rpn_getf() >= f);
349 } else if(rpncmd == "<=" || rpncmd == "le") {
351 rpn_setf(rpn_getf() <= f);
352 } else if(rpncmd == "!=" || rpncmd == "ne") {
354 rpn_setf(rpn_getf() != f);
355 } else if(rpncmd == "rand") {
356 rpn_setf(ceil(random() * rpn_getf()) - 1);
357 } else if(rpncmd == "crc16") {
358 rpn_setf(crc16(FALSE, rpn_get()));
359 } else if(rpncmd == "dbpush") {
363 i = stof(db_get(rpn_db, "stack.pointer"));
364 db_put(rpn_db, "stack.pointer", ftos(i+1));
365 db_put(rpn_db, strcat("stack.", ftos(i)), s);
368 db_put(rpn_db, "stack.pos", "0");
369 } else if(rpncmd == "dbpop") {
370 i = stof(db_get(rpn_db, "stack.pointer"));
374 db_put(rpn_db, "stack.pointer", s);
375 rpn_push(db_get(rpn_db, strcat("stack.", s)));
376 j = stof(db_get(rpn_db, "stack.pos"));
378 db_put(rpn_db, "stack.pos", ftos(i-2));
381 print("rpn: database underflow\n");
383 } else if(rpncmd == "dbget") {
385 i = stof(db_get(rpn_db, "stack.pointer"));
388 rpn_push(db_get(rpn_db, strcat("stack.", ftos(i-1))));
391 print("rpn: database empty\n");
393 } else if(rpncmd == "dblen") {
394 rpn_push(db_get(rpn_db, "stack.pointer"));
395 } else if(rpncmd == "dbclr") {
397 rpn_db = db_create();
398 db_put(rpn_db, "stack.pointer", "0");
399 db_put(rpn_db, "stack.pos", "-1");
400 } else if(rpncmd == "dbsave") {
404 } else if(rpncmd == "dbload") {
411 } else if(rpncmd == "dbins") {
416 j = stof(db_get(rpn_db, "stack.pointer"));
417 i = stof(db_get(rpn_db, "stack.pos"));
422 db_put(rpn_db, "stack.pos", "0");
425 db_put(rpn_db, "stack.pointer", ftos(j+1));
426 for(--j; j >= i; --j)
428 db_put(rpn_db, strcat("stack.", ftos(j+1)),
429 db_get(rpn_db, (strcat("stack.", ftos(j))))
432 db_put(rpn_db, strcat("stack.", ftos(i)), s);
434 } else if(rpncmd == "dbext") {
435 j = stof(db_get(rpn_db, "stack.pointer"));
436 i = stof(db_get(rpn_db, "stack.pos"));
440 print("rpn: empty database\n");
443 rpn_push(db_get(rpn_db, strcat("stack.", ftos(i))));
444 db_put(rpn_db, "stack.pointer", ftos(j));
447 db_put(rpn_db, "stack.pos", ftos(j-1));
451 db_put(rpn_db, strcat("stack.", ftos(i)),
452 db_get(rpn_db, (strcat("stack.", ftos(i+1))))
458 } else if(rpncmd == "dbread") {
459 s = db_get(rpn_db, "stack.pos");
462 rpn_push(db_get(rpn_db, strcat("stack.", s)));
465 print("rpn: empty database\n");
467 } else if(rpncmd == "dbat") {
468 rpn_push(db_get(rpn_db, "stack.pos"));
469 } else if(rpncmd == "dbmov") {
470 j = stof(db_get(rpn_db, "stack.pointer"));
471 i = stof(db_get(rpn_db, "stack.pos"));
477 print("rpn: database cursor out of bounds\n");
482 db_put(rpn_db, "stack.pos", ftos(i));
485 } else if(rpncmd == "dbgoto") {
487 j = stof(db_get(rpn_db, "stack.pointer"));
491 print("rpn: empty database, cannot move cursor\n");
496 i = stof(db_get(rpn_db, "stack.pointer"))-1;
502 j = stof(db_get(rpn_db, "stack.pointer"));
505 print("rpn: database cursor destination out of bounds\n");
510 db_put(rpn_db, "stack.pos", ftos(i));
513 } else if(rpncmd == "union") {
517 f = tokenize_sane(s);
518 f2 = tokenize_sane(strcat(s, " ", s2));
519 // tokens 0..(f-1) represent s
520 // tokens f..f2 represent s2
521 // UNION: add all tokens to s that are in s2 but not in s
523 for(i = 0; i < f; ++i)
524 s = strcat(s, " ", argv(i));
525 for(i = f; i < f2; ++i) {
526 for(j = 0; j < f; ++j)
527 if(argv(i) == argv(j))
529 s = strcat(s, " ", argv(i));
532 if(substring(s, 0, 1) == " ")
533 s = substring(s, 1, 99999);
535 tokenize_sane(command);
536 } else if(rpncmd == "intersection") {
540 f = tokenize_sane(s);
541 f2 = tokenize_sane(strcat(s, " ", s2));
542 // tokens 0..(f-1) represent s
543 // tokens f..f2 represent s2
544 // INTERSECTION: keep only the tokens from s that are also in s2
546 for(i = 0; i < f; ++i) {
547 for(j = f; j < f2; ++j)
548 if(argv(i) == argv(j))
550 s = strcat(s, " ", argv(i));
554 if(substring(s, 0, 1) == " ")
555 s = substring(s, 1, 99999);
557 tokenize_sane(command);
558 } else if(rpncmd == "difference") {
562 f = tokenize_sane(s);
563 f2 = tokenize_sane(strcat(s, " ", s2));
564 // tokens 0..(f-1) represent s
565 // tokens f..f2 represent s2
566 // DIFFERENCE: keep only the tokens from s that are not in s2
568 for(i = 0; i < f; ++i) {
569 for(j = f; j < f2; ++j)
570 if(argv(i) == argv(j))
571 goto skip_difference;
572 s = strcat(s, " ", argv(i));
575 if(substring(s, 0, 1) == " ")
576 s = substring(s, 1, 99999);
578 tokenize_sane(command);
579 } else if(rpncmd == "shuffle") {
582 f = tokenize_sane(s);
584 for(i = 0; i < f - 1; ++i) {
585 // move a random item from i..f-1 to position i
587 f2 = floor(random() * (f - i) + i);
588 for(j = 0; j < i; ++j)
589 s = strcat(s, " ", argv(j));
590 s = strcat(s, " ", argv(f2));
591 for(j = i; j < f; ++j)
593 s = strcat(s, " ", argv(j));
594 f = tokenize_sane(s);
597 if(substring(s, 0, 1) == " ")
598 s = substring(s, 1, 99999);
600 tokenize_sane(command);
601 } else if(rpncmd == "fexists_assert") {
605 f = fopen(s, FILE_READ);
609 print("rpn: ERROR: ", s, " does not exist!\n");
614 rpn_push(cvar_string(rpncmd));
622 print("rpn: still on stack: ", s, "\n");
626 } else if(argv(0) == "addtolist") {
631 if(cvar_string(s) == "")
634 n = tokenizebyseparator(cvar_string(s), " ");
635 for(i = 0; i < n; ++i)
637 return TRUE; // already in list
638 cvar_set(s, strcat(s2, " ", cvar_string(s)));
643 } else if(argv(0) == "cp") {
647 for(i = 2; i < argc; ++i)
648 s = strcat(s, " ", argv(i));
649 centerprint(unescape(s));