--- /dev/null
+string rpn_pop()
+{
+ if(rpn_sp > 0) {
+ --rpn_sp;
+ return rpn_stack[rpn_sp];
+ } else {
+ print("rpn: stack underflow\n");
+ rpn_error = TRUE;
+ return "";
+ }
+}
+void rpn_push(string s)
+{
+ if(rpn_sp < MAX_RPN_STACK) {
+ rpn_stack[rpn_sp] = s;
+ ++rpn_sp;
+ } else {
+ print("rpn: stack overflow\n");
+ rpn_error = TRUE;
+ }
+}
+string rpn_get()
+{
+ if(rpn_sp > 0) {
+ return rpn_stack[rpn_sp - 1];
+ } else {
+ print("rpn: empty stack\n");
+ rpn_error = TRUE;
+ return "";
+ }
+}
+void rpn_set(string s)
+{
+ if(rpn_sp > 0) {
+ rpn_stack[rpn_sp - 1] = s;
+ } else {
+ print("rpn: empty stack\n");
+ rpn_error = TRUE;
+ }
+}
+
+float rpn_getf() { return stof(rpn_get()); }
+float rpn_popf() { return stof(rpn_pop()); }
+void rpn_pushf(float f) { return rpn_push(ftos(f)); }
+void rpn_setf(float f) { return rpn_set(ftos(f)); }
+
+void GenericCommand_rpn(float request, float argc, string command)
+{
+ switch(request)
+ {
+ case CMD_REQUEST_COMMAND:
+ {
+ float i, j, f, n, f2, f3, rpnpos;
+ vector rgb;
+ string s, s2, c, rpncmd;
+
+ if(!rpn_db)
+ {
+ rpn_db = db_create();
+ db_put(rpn_db, "stack.pointer", "0");
+ db_put(rpn_db, "stack.pos", "-1");
+ }
+
+ if(argc >= 2)
+ {
+ float rpnpos;
+ string rpncmd;
+ float f2, f3;
+ rpn_sp = 0;
+ rpn_error = FALSE;
+ for(rpnpos = 1; rpnpos < argc; ++rpnpos)
+ {
+ rpncmd = argv(rpnpos);
+ f = strlen(rpncmd);
+ if(rpncmd == "") {
+ } else if(stof(substring(rpncmd, 0, 1)) > 0) {
+ rpn_push(rpncmd);
+ } else if(substring(rpncmd, 0, 1) == "0") {
+ rpn_push(rpncmd);
+ } else if(f >= 2 && substring(rpncmd, 0, 1) == "+") {
+ rpn_push(rpncmd);
+ } else if(f >= 2 && substring(rpncmd, 0, 1) == "-") {
+ rpn_push(rpncmd);
+ } else if(f >= 2 && substring(rpncmd, 0, 1) == "/") {
+ rpn_push(substring(rpncmd, 1, strlen(rpncmd) - 1));
+ } else if(rpncmd == "clear") {
+ rpn_sp = 0;
+ } else if(rpncmd == "def" || rpncmd == "=") {
+ s = rpn_pop();
+ s2 = rpn_pop();
+
+ if(s2 != "")
+ {
+ #ifdef MENUQC
+ registercvar(s2, "", 0);
+ #else
+ registercvar(s2, "");
+ #endif
+ if(!rpn_error) // don't change cvars if a stack error had happened!
+ cvar_set(s2, s);
+ }
+ else
+ {
+ print("rpn: empty cvar name for 'def'\n");
+ rpn_error = TRUE;
+ }
+ } else if(rpncmd == "defs" || rpncmd == "@") {
+ s = "";
+ i = rpn_popf();
+ j = (i == 0);
+ while(rpn_sp > 1 && (j || i > 0))
+ {
+ s = strcat("/", rpn_pop(), " ", s);
+ --i;
+ }
+ s2 = rpn_pop();
+ if(s2 != "")
+ {
+ #ifdef MENUQC
+ registercvar(s2, "", 0);
+ #else
+ registercvar(s2, "");
+ #endif
+ if(!rpn_error) // don't change cvars if a stack error had happened!
+ cvar_set(s2, s);
+ }
+ else
+ {
+ print("rpn: empty cvar name for 'defs'\n");
+ rpn_error = TRUE;
+ }
+ } else if(rpncmd == "load") {
+ rpn_set(cvar_string(rpn_get()));
+ } else if(rpncmd == "exch") {
+ s = rpn_pop();
+ s2 = rpn_get();
+ rpn_set(s);
+ rpn_push(s2);
+ } else if(rpncmd == "dup") {
+ rpn_push(rpn_get());
+ } else if(rpncmd == "pop") {
+ rpn_pop();
+ } else if(rpncmd == "add" || rpncmd == "+") {
+ f = rpn_popf();
+ rpn_setf(rpn_getf() + f);
+ } else if(rpncmd == "sub" || rpncmd == "-") {
+ f = rpn_popf();
+ rpn_setf(rpn_getf() - f);
+ } else if(rpncmd == "mul" || rpncmd == "*") {
+ f = rpn_popf();
+ rpn_setf(rpn_getf() * f);
+ } else if(rpncmd == "div" || rpncmd == "/") {
+ f = rpn_popf();
+ rpn_setf(rpn_getf() / f);
+ } else if(rpncmd == "mod" || rpncmd == "%") {
+ f = rpn_popf();
+ f2 = rpn_getf();
+ rpn_setf(f2 - f * floor(f2 / f));
+ } else if(rpncmd == "abs") {
+ rpn_setf(fabs(rpn_getf()));
+ } else if(rpncmd == "sgn") {
+ f = rpn_getf();
+ if(f < 0)
+ rpn_set("-1");
+ else if(f > 0)
+ rpn_set("1");
+ else
+ rpn_set("0");
+ } else if(rpncmd == "neg" || rpncmd == "~") {
+ rpn_setf(-rpn_getf());
+ } else if(rpncmd == "floor" || rpncmd == "f") {
+ rpn_setf(floor(rpn_getf()));
+ } else if(rpncmd == "ceil" || rpncmd == "c") {
+ rpn_setf(ceil(rpn_getf()));
+ } else if(rpncmd == "max") {
+ f = rpn_popf();
+ f2 = rpn_getf();
+ rpn_setf(max(f2, f));
+ } else if(rpncmd == "min") {
+ f = rpn_popf();
+ f2 = rpn_getf();
+ rpn_setf(min(f2, f));
+ } else if(rpncmd == "bound") {
+ f = rpn_popf();
+ f2 = rpn_popf();
+ f3 = rpn_getf();
+ rpn_setf(bound(f3, f2, f));
+ } else if(rpncmd == "when") {
+ f = rpn_popf();
+ f2 = rpn_popf();
+ f3 = rpn_getf();
+ if(f)
+ rpn_setf(f3);
+ else
+ rpn_setf(f2);
+ } else if(rpncmd == ">" || rpncmd == "gt") {
+ f = rpn_popf();
+ rpn_setf(rpn_getf() > f);
+ } else if(rpncmd == "<" || rpncmd == "lt") {
+ f = rpn_popf();
+ rpn_setf(rpn_getf() < f);
+ } else if(rpncmd == "==" || rpncmd == "eq") {
+ f = rpn_popf();
+ rpn_setf(rpn_getf() == f);
+ } else if(rpncmd == ">=" || rpncmd == "ge") {
+ f = rpn_popf();
+ rpn_setf(rpn_getf() >= f);
+ } else if(rpncmd == "<=" || rpncmd == "le") {
+ f = rpn_popf();
+ rpn_setf(rpn_getf() <= f);
+ } else if(rpncmd == "!=" || rpncmd == "ne") {
+ f = rpn_popf();
+ rpn_setf(rpn_getf() != f);
+ } else if(rpncmd == "rand") {
+ rpn_setf(ceil(random() * rpn_getf()) - 1);
+ } else if(rpncmd == "crc16") {
+ rpn_setf(crc16(FALSE, rpn_get()));
+ } else if(rpncmd == "put") {
+ s2 = rpn_pop();
+ if (!rpn_error)
+ {
+ s = rpn_pop();
+ if (!rpn_error)
+ db_put(rpn_db, s, s2);
+ }
+ } else if(rpncmd == "get") {
+ s = rpn_pop();
+ if (!rpn_error)
+ rpn_push(db_get(rpn_db, s));
+ } else if(rpncmd == "dbpush") {
+ s = rpn_pop();
+ if(!rpn_error)
+ {
+ i = stof(db_get(rpn_db, "stack.pointer"));
+ db_put(rpn_db, "stack.pointer", ftos(i+1));
+ db_put(rpn_db, strcat("stack.", ftos(i)), s);
+ }
+ if(!i)
+ db_put(rpn_db, "stack.pos", "0");
+ } else if(rpncmd == "dbpop") {
+ i = stof(db_get(rpn_db, "stack.pointer"));
+ if(i)
+ {
+ s = ftos(i-1);
+ db_put(rpn_db, "stack.pointer", s);
+ rpn_push(db_get(rpn_db, strcat("stack.", s)));
+ j = stof(db_get(rpn_db, "stack.pos"));
+ if(j >= i)
+ db_put(rpn_db, "stack.pos", ftos(i-2));
+ } else {
+ rpn_error = 1;
+ print("rpn: database underflow\n");
+ }
+ } else if(rpncmd == "dbget") {
+
+ i = stof(db_get(rpn_db, "stack.pointer"));
+ if(i)
+ {
+ rpn_push(db_get(rpn_db, strcat("stack.", ftos(i-1))));
+ } else {
+ rpn_error = 1;
+ print("rpn: database empty\n");
+ }
+ } else if(rpncmd == "dblen") {
+ rpn_push(db_get(rpn_db, "stack.pointer"));
+ } else if(rpncmd == "dbclr") {
+ db_close(rpn_db);
+ rpn_db = db_create();
+ db_put(rpn_db, "stack.pointer", "0");
+ db_put(rpn_db, "stack.pos", "-1");
+ } else if(rpncmd == "dbsave") {
+ s = rpn_pop();
+ if(!rpn_error)
+ db_save(rpn_db, s);
+ } else if(rpncmd == "dbload") {
+ s = rpn_pop();
+ if(!rpn_error)
+ {
+ db_close(rpn_db);
+ rpn_db = db_load(s);
+ }
+ } else if(rpncmd == "dbins") {
+ s = rpn_pop();
+ if(!rpn_error)
+ //if(rpn_sp > 0)
+ {
+ j = stof(db_get(rpn_db, "stack.pointer"));
+ i = stof(db_get(rpn_db, "stack.pos"));
+
+ if(i < 0)
+ {
+ i = 0;
+ db_put(rpn_db, "stack.pos", "0");
+ }
+
+ db_put(rpn_db, "stack.pointer", ftos(j+1));
+ for(--j; j >= i; --j)
+ {
+ db_put(rpn_db, strcat("stack.", ftos(j+1)),
+ db_get(rpn_db, (strcat("stack.", ftos(j))))
+ );
+ }
+ db_put(rpn_db, strcat("stack.", ftos(i)), s);
+ }
+ } else if(rpncmd == "dbext") {
+ j = stof(db_get(rpn_db, "stack.pointer"));
+ i = stof(db_get(rpn_db, "stack.pos"));
+ if(!j)
+ {
+ rpn_error = TRUE;
+ print("rpn: empty database\n");
+ } else {
+ --j;
+ rpn_push(db_get(rpn_db, strcat("stack.", ftos(i))));
+ db_put(rpn_db, "stack.pointer", ftos(j));
+ if(i == j)
+ {
+ db_put(rpn_db, "stack.pos", ftos(j-1));
+ } else {
+ while(i < j)
+ {
+ db_put(rpn_db, strcat("stack.", ftos(i)),
+ db_get(rpn_db, (strcat("stack.", ftos(i+1))))
+ );
+ ++i;
+ }
+ }
+ }
+ } else if(rpncmd == "dbread") {
+ s = db_get(rpn_db, "stack.pos");
+ if(stof(s) >= 0)
+ {
+ rpn_push(db_get(rpn_db, strcat("stack.", s)));
+ } else {
+ rpn_error = 1;
+ print("rpn: empty database\n");
+ }
+ } else if(rpncmd == "dbat") {
+ rpn_push(db_get(rpn_db, "stack.pos"));
+ } else if(rpncmd == "dbmov") {
+ j = stof(db_get(rpn_db, "stack.pointer"));
+ i = stof(db_get(rpn_db, "stack.pos"));
+ i += rpn_popf();
+ if(!rpn_error)
+ {
+ if(i < 0 || i >= j)
+ {
+ print("rpn: database cursor out of bounds\n");
+ rpn_error = TRUE;
+ }
+ if(!rpn_error)
+ {
+ db_put(rpn_db, "stack.pos", ftos(i));
+ }
+ }
+ } else if(rpncmd == "dbgoto") {
+ s = rpn_pop();
+ j = stof(db_get(rpn_db, "stack.pointer"));
+ if(!j)
+ {
+ rpn_error = TRUE;
+ print("rpn: empty database, cannot move cursor\n");
+ }
+ if(!rpn_error)
+ {
+ if(s == "end")
+ i = stof(db_get(rpn_db, "stack.pointer"))-1;
+ else if(s == "beg")
+ i = 0;
+ else
+ i = stof(s);
+
+ j = stof(db_get(rpn_db, "stack.pointer"));
+ if(i < 0 || i >= j)
+ {
+ print("rpn: database cursor destination out of bounds\n");
+ rpn_error = TRUE;
+ }
+ if(!rpn_error)
+ {
+ db_put(rpn_db, "stack.pos", ftos(i));
+ }
+ }
+ } else if(rpncmd == "union") {
+ // s s2 union
+ s2 = rpn_pop();
+ s = rpn_get();
+ f = tokenize_console(s);
+ f2 = tokenize_console(strcat(s, " ", s2));
+ // tokens 0..(f-1) represent s
+ // tokens f..f2 represent s2
+ // UNION: add all tokens to s that are in s2 but not in s
+ s = "";
+ for(i = 0; i < f; ++i)
+ s = strcat(s, " ", argv(i));
+ for(i = f; i < f2; ++i) {
+ for(j = 0; j < f; ++j)
+ if(argv(i) == argv(j))
+ goto skip_union;
+ s = strcat(s, " ", argv(i));
+ :skip_union
+ }
+ if(substring(s, 0, 1) == " ")
+ s = substring(s, 1, 99999);
+ rpn_set(s);
+ tokenize_console(command);
+ } else if(rpncmd == "intersection") {
+ // s s2 intersection
+ s2 = rpn_pop();
+ s = rpn_get();
+ f = tokenize_console(s);
+ f2 = tokenize_console(strcat(s, " ", s2));
+ // tokens 0..(f-1) represent s
+ // tokens f..f2 represent s2
+ // INTERSECTION: keep only the tokens from s that are also in s2
+ s = "";
+ for(i = 0; i < f; ++i) {
+ for(j = f; j < f2; ++j)
+ if(argv(i) == argv(j))
+ {
+ s = strcat(s, " ", argv(i));
+ break;
+ }
+ }
+ if(substring(s, 0, 1) == " ")
+ s = substring(s, 1, 99999);
+ rpn_set(s);
+ tokenize_console(command);
+ } else if(rpncmd == "difference") {
+ // s s2 difference
+ s2 = rpn_pop();
+ s = rpn_get();
+ f = tokenize_console(s);
+ f2 = tokenize_console(strcat(s, " ", s2));
+ // tokens 0..(f-1) represent s
+ // tokens f..f2 represent s2
+ // DIFFERENCE: keep only the tokens from s that are not in s2
+ s = "";
+ for(i = 0; i < f; ++i) {
+ for(j = f; j < f2; ++j)
+ if(argv(i) == argv(j))
+ goto skip_difference;
+ s = strcat(s, " ", argv(i));
+ :skip_difference
+ }
+ if(substring(s, 0, 1) == " ")
+ s = substring(s, 1, 99999);
+ rpn_set(s);
+ tokenize_console(command);
+ } else if(rpncmd == "shuffle") {
+ // s shuffle
+ s = rpn_get();
+ f = tokenize_console(s);
+
+ for(i = 0; i < f - 1; ++i) {
+ // move a random item from i..f-1 to position i
+ s = "";
+ f2 = floor(random() * (f - i) + i);
+ for(j = 0; j < i; ++j)
+ s = strcat(s, " ", argv(j));
+ s = strcat(s, " ", argv(f2));
+ for(j = i; j < f; ++j)
+ if(j != f2)
+ s = strcat(s, " ", argv(j));
+ f = tokenize_console(s);
+ }
+
+ if(substring(s, 0, 1) == " ")
+ s = substring(s, 1, 99999);
+ rpn_set(s);
+ tokenize_console(command);
+ } else if(rpncmd == "fexists_assert") {
+ s = rpn_pop();
+ if(!rpn_error)
+ {
+ if (!fexists(s))
+ {
+ print("rpn: ERROR: ", s, " does not exist!\n");
+ rpn_error = TRUE;
+ }
+ }
+ } else if(rpncmd == "fexists") {
+ s = rpn_get();
+ if(!rpn_error)
+ {
+ if (fexists(s))
+ rpn_setf(1);
+ else
+ rpn_setf(0);
+ }
+ } else if(rpncmd == "localtime") {
+ rpn_set(strftime(TRUE, rpn_get()));
+ } else if(rpncmd == "gmtime") {
+ rpn_set(strftime(FALSE, rpn_get()));
+ } else if(rpncmd == "time") {
+ rpn_pushf(time);
+ } else if(rpncmd == "digest") {
+ s = rpn_pop();
+ rpn_set(digest_hex(s, rpn_get()));
+ } else if(rpncmd == "sprintf1s") {
+ s = rpn_pop();
+ rpn_set(sprintf(s, rpn_get()));
+ } else {
+ rpn_push(cvar_string(rpncmd));
+ }
+ if(rpn_error)
+ break;
+ }
+ while(rpn_sp > 0)
+ {
+ s = rpn_pop();
+ print("rpn: still on stack: ", s, "\n");
+ }
+ }
+
+ return;
+ }
+
+ default:
+ case CMD_REQUEST_USAGE:
+ {
+ print(" rpn EXPRESSION... - a RPN calculator.\n");
+ print(" Operator description (x: string, s: set, f: float):\n");
+ print(" x pop -----------------------------> : removes the top\n");
+ print(" x dup -----------------------------> x x : duplicates the top\n");
+ print(" x x exch --------------------------> x x : swap the top two\n");
+ print(" /cvarname load --------------------> x : loads a cvar\n");
+ print(" /cvarname x def -------------------> : writes to a cvar\n");
+ print(" f f add|sub|mul|div|mod|max|min ---> f : adds/... two numbers\n");
+ print(" f f eq|ne|gt|ge|lt|le -------------> f : compares two numbers\n");
+ print(" f neg|abs|sgn|rand|floor|ceil------> f : negates/... a number\n");
+ print(" f f f bound -----------------------> f : bounds the middle number\n");
+ print(" f1 f2 b when ----------------------> f : f1 if b, f2 otherwise\n");
+ print(" s s union|intersection|difference -> s : set operations\n");
+ print(" s shuffle -------------------------> s : randomly arrange elements\n");
+ print(" /key /value put -------------------> : set a database key\n");
+ print(" /key get --------------------------> s : get a database value\n");
+ print(" x dbpush --------------------------> : pushes the top onto the database\n");
+ print(" dbpop|dbget -----------------------> x : removes/reads DB's top\n");
+ print(" dblen|dbat ------------------------> f : gets the DB's size/cursor pos\n");
+ print(" dbclr -----------------------------> : clear the DB\n");
+ print(" s dbsave|dbload--------------------> : save/load the DB to/from a file\n");
+ print(" x dbins ---------------------------> : moves the top into the DB\n");
+ print(" dbext|dbread ----------------------> x : extract/get from the DB's cursor\n");
+ print(" f dbmov|dbgoto --------------------> : move or set the DB's cursor\n");
+ print(" s localtime -----------------------> s : formats the current local time\n");
+ print(" s gmtime --------------------------> s : formats the current UTC time\n");
+ print(" time ------------------------------> f : seconds since VM start\n");
+ print(" s /MD4 digest ---------------------> s : MD4 digest\n");
+ print(" s /SHA256 digest ------------------> s : SHA256 digest\n");
+ print(" s /formatstring sprintf1s ---------> s : sprintf with 1 string (pad, cut)\n");
+ print(" Set operations operate on 'such''strings'.\n");
+ print(" Unknown tokens insert their cvar value.\n");
+ return;
+ }
+ }
+}
+
+float GameCommand_Generic(string command)
+{
+ if(argv(0) == "help")
+ {
+ print(" rpn EXPRESSION... - a RPN calculator.\n");
+ print(" Operator description (x: string, s: set, f: float):\n");
+ print(" x pop -----------------------------> : removes the top\n");
+ print(" x dup -----------------------------> x x : duplicates the top\n");
+ print(" x x exch --------------------------> x x : swap the top two\n");
+ print(" /cvarname load --------------------> x : loads a cvar\n");
+ print(" /cvarname x def -------------------> : writes to a cvar\n");
+ print(" f f add|sub|mul|div|mod|max|min ---> f : adds/... two numbers\n");
+ print(" f f eq|ne|gt|ge|lt|le -------------> f : compares two numbers\n");
+ print(" f neg|abs|sgn|rand|floor|ceil------> f : negates/... a number\n");
+ print(" f f f bound -----------------------> f : bounds the middle number\n");
+ print(" f1 f2 b when ----------------------> f : f1 if b, f2 otherwise\n");
+ print(" s s union|intersection|difference -> s : set operations\n");
+ print(" s shuffle -------------------------> s : randomly arrange elements\n");
+ print(" /key /value put -------------------> : set a database key\n");
+ print(" /key get --------------------------> s : get a database value\n");
+ print(" x dbpush --------------------------> : pushes the top onto the database\n");
+ print(" dbpop|dbget -----------------------> x : removes/reads DB's top\n");
+ print(" dblen|dbat ------------------------> f : gets the DB's size/cursor pos\n");
+ print(" dbclr -----------------------------> : clear the DB\n");
+ print(" s dbsave|dbload--------------------> : save/load the DB to/from a file\n");
+ print(" x dbins ---------------------------> : moves the top into the DB\n");
+ print(" dbext|dbread ----------------------> x : extract/get from the DB's cursor\n");
+ print(" f dbmov|dbgoto --------------------> : move or set the DB's cursor\n");
+ print(" s localtime -----------------------> s : formats the current local time\n");
+ print(" s gmtime --------------------------> s : formats the current UTC time\n");
+ print(" time ------------------------------> f : seconds since VM start\n");
+ print(" s /MD4 digest ---------------------> s : MD4 digest\n");
+ print(" s /SHA256 digest ------------------> s : SHA256 digest\n");
+ print(" s /formatstring sprintf1s ---------> s : sprintf with 1 string (pad, cut)\n");
+ print(" Set operations operate on 'such''strings'.\n");
+ print(" Unknown tokens insert their cvar value.\n");
+ print(" maplist add map\n");
+ print(" maplist remove map\n");
+ print(" maplist shuffle\n");
+ print(" maplist cleanup\n");
+ print(" maplist maplist\n");
+ print(" maplist lsmaps\n");
+ print(" maplist lsnewmaps\n");
+ print(" addtolist variable addedvalue\n");
+ print(" records\n");
+ print(" rankings (map argument optional)\n");
+ print(" settemp cvar value\n");
+ print(" settemp_restore\n");
+ return TRUE;
+ }
+
+ else if(argv(0) == "rpn")
+ {
\ No newline at end of file
projects / xonotic / xonotic-data.pk3dir.git / commitdiff