+/* $NetBSD: hack.cmd.c,v 1.12 2011/08/06 20:42:43 dholland Exp $ */
+
/*
- * Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985.
+ * Copyright (c) 1985, Stichting Centrum voor Wiskunde en Informatica,
+ * Amsterdam
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Stichting Centrum voor Wiskunde en
+ * Informatica, nor the names of its contributors may be used to endorse or
+ * promote products derived from this software without specific prior
+ * written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+ * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
+/*
+ * Copyright (c) 1982 Jay Fenlason <hack@gnu.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+ * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
#ifndef lint
-static char rcsid[] = "$Id: hack.cmd.c,v 1.2 1993/08/02 17:17:02 mycroft Exp $";
-#endif /* not lint */
+__RCSID("$NetBSD: hack.cmd.c,v 1.12 2011/08/06 20:42:43 dholland Exp $");
+#endif /* not lint */
#include "hack.h"
+#include "extern.h"
#include "def.func_tab.h"
-int doredraw(),doredotopl(),dodrop(),dodrink(),doread(),dosearch(),dopickup(),
-doversion(),doweararm(),dowearring(),doremarm(),doremring(),dopay(),doapply(),
-dosave(),dowield(),ddoinv(),dozap(),ddocall(),dowhatis(),doengrave(),dotele(),
-dohelp(),doeat(),doddrop(),do_mname(),doidtrap(),doprwep(),doprarm(),
-doprring(),doprgold(),dodiscovered(),dotypeinv(),dolook(),doset(),
-doup(), dodown(), done1(), donull(), dothrow(), doextcmd(), dodip(), dopray();
-#ifdef SHELL
-int dosh();
-#endif SHELL
-#ifdef SUSPEND
-int dosuspend();
-#endif SUSPEND
+static int doextcmd(void);
-struct func_tab cmdlist[]={
- '\020', doredotopl,
- '\022', doredraw,
- '\024', dotele,
+static const struct func_tab cmdlist[] = {
+ { '\020', doredotopl },
+ { '\022', doredraw },
+ { '\024', dotele },
#ifdef SUSPEND
- '\032', dosuspend,
-#endif SUSPEND
- 'a', doapply,
-/* 'A' : UNUSED */
-/* 'b', 'B' : go sw */
- 'c', ddocall,
- 'C', do_mname,
- 'd', dodrop,
- 'D', doddrop,
- 'e', doeat,
- 'E', doengrave,
-/* 'f', 'F' : multiple go (might become 'fight') */
-/* 'g', 'G' : UNUSED */
-/* 'h', 'H' : go west */
- 'I', dotypeinv, /* Robert Viduya */
- 'i', ddoinv,
-/* 'j', 'J', 'k', 'K', 'l', 'L', 'm', 'M', 'n', 'N' : move commands */
-/* 'o', doopen, */
- 'O', doset,
- 'p', dopay,
- 'P', dowearring,
- 'q', dodrink,
- 'Q', done1,
- 'r', doread,
- 'R', doremring,
- 's', dosearch,
- 'S', dosave,
- 't', dothrow,
- 'T', doremarm,
-/* 'u', 'U' : go ne */
- 'v', doversion,
-/* 'V' : UNUSED */
- 'w', dowield,
- 'W', doweararm,
-/* 'x', 'X' : UNUSED */
-/* 'y', 'Y' : go nw */
- 'z', dozap,
-/* 'Z' : UNUSED */
- '<', doup,
- '>', dodown,
- '/', dowhatis,
- '?', dohelp,
+ { '\032', dosuspend },
+#endif /* SUSPEND */
+ { 'a', doapply },
+ /* 'A' : UNUSED */
+ /* 'b', 'B' : go sw */
+ { 'c', ddocall },
+ { 'C', do_mname },
+ { 'd', dodrop },
+ { 'D', doddrop },
+ { 'e', doeat },
+ { 'E', doengrave },
+ /* 'f', 'F' : multiple go (might become 'fight') */
+ /* 'g', 'G' : UNUSED */
+ /* 'h', 'H' : go west */
+ { 'I', dotypeinv }, /* Robert Viduya */
+ { 'i', ddoinv },
+ /* 'j', 'J', 'k', 'K', 'l', 'L', 'm', 'M', 'n', 'N' : move commands */
+ /* 'o', doopen, */
+ { 'O', doset },
+ { 'p', dopay },
+ { 'P', dowearring },
+ { 'q', dodrink },
+ { 'Q', dodone },
+ { 'r', doread },
+ { 'R', doremring },
+ { 's', dosearch },
+ { 'S', dosave },
+ { 't', dothrow },
+ { 'T', doremarm },
+ /* 'u', 'U' : go ne */
+ { 'v', doversion },
+ /* 'V' : UNUSED */
+ { 'w', dowield },
+ { 'W', doweararm },
+ /* 'x', 'X' : UNUSED */
+ /* 'y', 'Y' : go nw */
+ { 'z', dozap },
+ /* 'Z' : UNUSED */
+ { '<', doup },
+ { '>', dodown },
+ { '/', dowhatis },
+ { '?', dohelp },
#ifdef SHELL
- '!', dosh,
-#endif SHELL
- '.', donull,
- ' ', donull,
- ',', dopickup,
- ':', dolook,
- '^', doidtrap,
- '\\', dodiscovered, /* Robert Viduya */
- WEAPON_SYM, doprwep,
- ARMOR_SYM, doprarm,
- RING_SYM, doprring,
- '$', doprgold,
- '#', doextcmd,
- 0,0,0
+ { '!', dosh },
+#endif /* SHELL */
+ { '.', donull },
+ { ' ', donull },
+ { ',', dopickup },
+ { ':', dolook },
+ { '^', doidtrap },
+ { '\\', dodiscovered }, /* Robert Viduya */
+ { WEAPON_SYM, doprwep },
+ { ARMOR_SYM, doprarm },
+ { RING_SYM, doprring },
+ { '$', doprgold },
+ { '#', doextcmd },
+ { 0, 0 }
};
-struct ext_func_tab extcmdlist[] = {
- "dip", dodip,
- "pray", dopray,
- (char *) 0, donull
+static const struct ext_func_tab extcmdlist[] = {
+ { "dip", dodip },
+ { "pray", dopray },
+ { NULL, donull }
};
-extern char *parse(), lowc(), unctrl(), quitchars[];
+static char lowc(int);
+static char unctrl(int);
-rhack(cmd)
-register char *cmd;
+void
+rhack(const char *cmd)
{
- register struct func_tab *tlist = cmdlist;
- boolean firsttime = FALSE;
- register res;
+ const struct func_tab *tlist = cmdlist;
+ boolean firsttime = FALSE;
+ int res;
- if(!cmd) {
+ if (!cmd) {
firsttime = TRUE;
flags.nopick = 0;
cmd = parse();
}
- if(!*cmd || (*cmd & 0377) == 0377 ||
- (flags.no_rest_on_space && *cmd == ' ')){
- bell();
+ if (!*cmd || (*cmd & 0377) == 0377 ||
+ (flags.no_rest_on_space && *cmd == ' ')) {
+ sound_bell();
flags.move = 0;
return; /* probably we just had an interrupt */
}
- if(movecmd(*cmd)) {
- walk:
- if(multi) flags.mv = 1;
+ if (movecmd(*cmd)) {
+walk:
+ if (multi)
+ flags.mv = 1;
domove();
return;
}
- if(movecmd(lowc(*cmd))) {
+ if (movecmd(lowc(*cmd))) {
flags.run = 1;
- rush:
- if(firsttime){
- if(!multi) multi = COLNO;
+rush:
+ if (firsttime) {
+ if (!multi)
+ multi = COLNO;
u.last_str_turn = 0;
}
flags.mv = 1;
#ifdef QUEST
- if(flags.run >= 4) finddir();
- if(firsttime){
+ if (flags.run >= 4)
+ finddir();
+ if (firsttime) {
u.ux0 = u.ux + u.dx;
u.uy0 = u.uy + u.dy;
}
-#endif QUEST
+#endif /* QUEST */
domove();
return;
}
- if((*cmd == 'f' && movecmd(cmd[1])) || movecmd(unctrl(*cmd))) {
+ if ((*cmd == 'f' && movecmd(cmd[1])) || movecmd(unctrl(*cmd))) {
flags.run = 2;
goto rush;
}
- if(*cmd == 'F' && movecmd(lowc(cmd[1]))) {
+ if (*cmd == 'F' && movecmd(lowc(cmd[1]))) {
flags.run = 3;
goto rush;
}
- if(*cmd == 'm' && movecmd(cmd[1])) {
+ if (*cmd == 'm' && movecmd(cmd[1])) {
flags.run = 0;
flags.nopick = 1;
goto walk;
}
- if(*cmd == 'M' && movecmd(lowc(cmd[1]))) {
+ if (*cmd == 'M' && movecmd(lowc(cmd[1]))) {
flags.run = 1;
flags.nopick = 1;
goto rush;
}
#ifdef QUEST
- if(*cmd == cmd[1] && (*cmd == 'f' || *cmd == 'F')) {
+ if (*cmd == cmd[1] && (*cmd == 'f' || *cmd == 'F')) {
flags.run = 4;
- if(*cmd == 'F') flags.run += 2;
- if(cmd[2] == '-') flags.run += 1;
+ if (*cmd == 'F')
+ flags.run += 2;
+ if (cmd[2] == '-')
+ flags.run += 1;
goto rush;
}
-#endif QUEST
- while(tlist->f_char) {
- if(*cmd == tlist->f_char){
- res = (*(tlist->f_funct))();
- if(!res) {
+#endif /* QUEST */
+ while (tlist->f_char) {
+ if (*cmd == tlist->f_char) {
+ res = (*(tlist->f_funct)) ();
+ if (!res) {
flags.move = 0;
multi = 0;
}
}
tlist++;
}
- { char expcmd[10];
- register char *cp = expcmd;
- while(*cmd && cp-expcmd < sizeof(expcmd)-2) {
- if(*cmd >= 040 && *cmd < 0177)
- *cp++ = *cmd++;
- else {
- *cp++ = '^';
- *cp++ = *cmd++ ^ 0100;
+ {
+ char expcmd[10];
+ char *cp = expcmd;
+ while (*cmd && cp - expcmd < (int)sizeof(expcmd) - 2) {
+ if (*cmd >= 040 && *cmd < 0177)
+ *cp++ = *cmd++;
+ else {
+ *cp++ = '^';
+ *cp++ = *cmd++ ^ 0100;
+ }
}
- }
- *cp++ = 0;
- pline("Unknown command '%s'.", expcmd);
+ *cp++ = 0;
+ pline("Unknown command '%s'.", expcmd);
}
multi = flags.move = 0;
}
-doextcmd() /* here after # - now read a full-word command */
-{
- char buf[BUFSZ];
- register struct ext_func_tab *efp = extcmdlist;
+static int
+doextcmd(void)
+{ /* here after # - now read a full-word
+ * command */
+ char buf[BUFSZ];
+ const struct ext_func_tab *efp = extcmdlist;
pline("# ");
getlin(buf);
clrlin();
- if(buf[0] == '\033')
- return(0);
- while(efp->ef_txt) {
- if(!strcmp(efp->ef_txt, buf))
- return((*(efp->ef_funct))());
+ if (buf[0] == '\033')
+ return (0);
+ while (efp->ef_txt) {
+ if (!strcmp(efp->ef_txt, buf))
+ return ((*(efp->ef_funct)) ());
efp++;
}
pline("%s: unknown command.", buf);
- return(0);
+ return (0);
}
-char
-lowc(sym)
-char sym;
+static char
+lowc(int sym)
{
- return( (sym >= 'A' && sym <= 'Z') ? sym+'a'-'A' : sym );
+ return ((sym >= 'A' && sym <= 'Z') ? sym + 'a' - 'A' : sym);
}
-char
-unctrl(sym)
-char sym;
+static char
+unctrl(int sym)
{
- return( (sym >= ('A' & 037) && sym <= ('Z' & 037)) ? sym + 0140 : sym );
+ return ((sym >= ('A' & 037) && sym <= ('Z' & 037)) ? sym + 0140 : sym);
}
/* 'rogue'-like direction commands */
-char sdir[] = "hykulnjb><";
-schar xdir[10] = { -1,-1, 0, 1, 1, 1, 0,-1, 0, 0 };
-schar ydir[10] = { 0,-1,-1,-1, 0, 1, 1, 1, 0, 0 };
-schar zdir[10] = { 0, 0, 0, 0, 0, 0, 0, 0, 1,-1 };
+char sdir[] = "hykulnjb><";
+schar xdir[10] = {-1, -1, 0, 1, 1, 1, 0, -1, 0, 0};
+schar ydir[10] = {0, -1, -1, -1, 0, 1, 1, 1, 0, 0};
+static schar zdir[10] = {0, 0, 0, 0, 0, 0, 0, 0, 1, -1};
-movecmd(sym) /* also sets u.dz, but returns false for <> */
-char sym;
+int
+movecmd(int sym) /* also sets u.dz, but returns false for <> */
{
- register char *dp;
+ char *dp;
u.dz = 0;
- if(!(dp = index(sdir, sym))) return(0);
- u.dx = xdir[dp-sdir];
- u.dy = ydir[dp-sdir];
- u.dz = zdir[dp-sdir];
- return(!u.dz);
+ if (!(dp = strchr(sdir, sym)))
+ return (0);
+ u.dx = xdir[dp - sdir];
+ u.dy = ydir[dp - sdir];
+ u.dz = zdir[dp - sdir];
+ return (!u.dz);
}
-getdir(s)
-boolean s;
+int
+getdir(boolean s)
{
- char dirsym;
+ char dirsym;
- if(s) pline("In what direction?");
+ if (s)
+ pline("In what direction?");
dirsym = readchar();
- if(!movecmd(dirsym) && !u.dz) {
- if(!index(quitchars, dirsym))
+ if (!movecmd(dirsym) && !u.dz) {
+ if (!strchr(quitchars, dirsym))
pline("What a strange direction!");
- return(0);
+ return (0);
}
- if(Confusion && !u.dz)
+ if (Confusion && !u.dz)
confdir();
- return(1);
+ return (1);
}
-confdir()
+void
+confdir(void)
{
- register x = rn2(8);
+ int x = rn2(8);
u.dx = xdir[x];
u.dy = ydir[x];
}
#ifdef QUEST
-finddir(){
-register int i, ui = u.di;
- for(i = 0; i <= 8; i++){
- if(flags.run & 1) ui++; else ui += 7;
+int
+finddir(void)
+{
+ int i, ui = u.di;
+ for (i = 0; i <= 8; i++) {
+ if (flags.run & 1)
+ ui++;
+ else
+ ui += 7;
ui %= 8;
- if(i == 8){
+ if (i == 8) {
pline("Not near a wall.");
flags.move = multi = 0;
- return(0);
+ return (0);
}
- if(!isroom(u.ux+xdir[ui], u.uy+ydir[ui]))
+ if (!isroom(u.ux + xdir[ui], u.uy + ydir[ui]))
break;
}
- for(i = 0; i <= 8; i++){
- if(flags.run & 1) ui += 7; else ui++;
+ for (i = 0; i <= 8; i++) {
+ if (flags.run & 1)
+ ui += 7;
+ else
+ ui++;
ui %= 8;
- if(i == 8){
+ if (i == 8) {
pline("Not near a room.");
flags.move = multi = 0;
- return(0);
+ return (0);
}
- if(isroom(u.ux+xdir[ui], u.uy+ydir[ui]))
+ if (isroom(u.ux + xdir[ui], u.uy + ydir[ui]))
break;
}
u.di = ui;
u.dx = xdir[ui];
u.dy = ydir[ui];
+ return 0;
}
-isroom(x,y) register x,y; { /* what about POOL? */
- return(isok(x,y) && (levl[x][y].typ == ROOM ||
- (levl[x][y].typ >= LDOOR && flags.run >= 6)));
+int
+isroom(int x, int y)
+{ /* what about POOL? */
+ return (isok(x, y) && (levl[x][y].typ == ROOM ||
+ (levl[x][y].typ >= LDOOR && flags.run >= 6)));
}
-#endif QUEST
+#endif /* QUEST */
-isok(x,y) register x,y; {
+int
+isok(int x, int y)
+{
/* x corresponds to curx, so x==1 is the first column. Ach. %% */
- return(x >= 1 && x <= COLNO-1 && y >= 0 && y <= ROWNO-1);
+ return (x >= 1 && x <= COLNO - 1 && y >= 0 && y <= ROWNO - 1);
}