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Usenet 1994 October
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volume3
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nethack2.2
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part13
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cmd.c
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C/C++ Source or Header
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1987-12-02
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11KB
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533 lines
/* SCCS Id: @(#)cmd.c 2.0 87/09/15
/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
#include "hack.h"
#include "func_tab.h"
int doredraw(),doredotopl(),dodrop(),dodrink(),doread(),dosearch(),dopickup(),
doversion(),doweararm(),dowearring(),doremarm(),doddoremarm(),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(), doextlist();
#ifdef WIZARD
int wiz_wish(), wiz_identify();
#endif
#ifdef NEWCLASS
int dosit(), doturn();
#endif
#ifdef SPELLS
int docast(), dovspell(), doxcribe();
#endif
#ifdef SHELL
int dosh();
#endif
#ifdef SUSPEND
int dosuspend();
#endif
#ifdef KAA
int doremove(), dobreathe();
# ifdef KOPS
int dowipe();
# endif
#endif
int rndobjsym(), rndmonsym();
char *hcolor(), *rndmonnam(), *defmonnam();
extern char *occtxt;
extern int (*occupation)();
#ifdef DGKMOD
int dotogglepickup(), doMSCversion();
# ifdef DEBUG
int dodebug();
# endif
static int (*timed_occ_fn)();
/* Count down by decrementing multi */
timed_occupation() {
(*timed_occ_fn)();
if (multi > 0)
multi--;
return (multi > 0);
}
/* If a time is given, use it to timeout this function, otherwise the
* function times out by its own means.
*/
void
set_occupation(fn, txt, time)
int (*fn)();
char *txt;
{
if (time) {
occupation = timed_occupation;
timed_occ_fn = fn;
} else
occupation = fn;
occtxt = txt;
occtime = 0;
}
#endif /* DGKMOD */
#ifdef REDO
/* Provide a means to redo the last command. The flag `in_doagain' is set
* to true while redoing the command. This flag is tested in commands that
* require additional input (like `throw' which requires a thing and a
* direction), and the input prompt is not shown. Also, while in_doagain is
* TRUE, no keystrokes can be saved into the saveq.
*/
#define BSIZE 20
static char pushq[BSIZE], saveq[BSIZE];
static int phead, ptail, shead, stail;
extern int in_doagain;
char
popch() {
/* If occupied, return 0, letting tgetch know a character should
* be read from the keyboard. If the character read is not the
* ABORT character (as checked in main.c), that character will be
* pushed back on the pushq.
*/
if (occupation) return(0);
if (in_doagain) return ((shead != stail) ? saveq[stail++] : 0);
else return ((phead != ptail) ? pushq[ptail++] : 0);
}
/* A ch == 0 resets the pushq */
void
pushch(ch)
char ch;
{
if (!ch)
phead = ptail = 0;
if (phead < BSIZE)
pushq[phead++] = ch;
}
/* A ch == 0 resets the saveq. Only save keystrokes when not
* replaying a previous command.
*/
void
savech(ch)
char ch;
{
if (!in_doagain) {
if (!ch)
phead = ptail = shead = stail = 0;
else if (shead < BSIZE)
saveq[shead++] = ch;
}
}
#endif /* REDO */
struct func_tab cmdlist[]={
#ifdef WIZARD
{'\011', wiz_identify},
#endif
{'\020', doredotopl},
{'\022', doredraw},
{'\024', dotele},
#ifdef WIZARD
{'\027', wiz_wish},
#endif
#ifdef SUSPEND
{'\032', dosuspend},
#endif
{'a', doapply},
{'A', doddoremarm},
/* 'b', 'B' : go sw */
{'c', ddocall},
{'C', do_mname},
{'d', dodrop},
{'D', doddrop},
{'e', doeat},
{'E', doengrave},
/* Soon to be
{'f', dofight, "fighting"},
{'F', doFight, "fighting"},
*/
/* 'g', 'G' : multiple go */
/* '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, "searching"},
{'S', dosave},
{'t', dothrow},
{'T', doremarm},
/* 'u', 'U' : go ne */
{'v', doversion},
{'w', dowield},
{'W', doweararm},
#ifdef SPELLS
{'x', dovspell}, /* Mike Stephenson */
{'X', doxcribe}, /* Mike Stephenson */
#endif
/* 'y', 'Y' : go nw */
{'z', dozap},
#ifdef SPELLS
{'Z', docast},
#endif
{'<', doup},
{'>', dodown},
{'/', dowhatis},
{'?', dohelp},
#ifdef SHELL
{'!', dosh},
#endif
{'.', donull, "waiting"},
{' ', donull, "waiting"},
{',', dopickup},
{':', dolook},
{'^', doidtrap},
{'\\', dodiscovered}, /* Robert Viduya */
#ifdef DGKMOD
{'@', dotogglepickup},
{'V', doMSCversion},
# ifdef DEBUG_DOESNT_WORK
{'\004', dodebug}, /* generic debug function */
# endif
#endif
{WEAPON_SYM, doprwep},
{ARMOR_SYM, doprarm},
{RING_SYM, doprring},
{GOLD_SYM, doprgold},
{'#', doextcmd},
{0,0,0}
};
struct ext_func_tab extcmdlist[] = {
#ifdef KAA
"breathe", "breathe like a dragon", dobreathe,
#endif
#ifdef SPELLS
"cast", "cast a spell", docast,
#endif
"dip", "dip an object into something", dodip,
"pray", "pray to the gods for help", dopray,
#ifdef KAA
"remove", "remove a cursed item", doremove,
#endif
#ifdef NEWCLASS
"sit", "sit down", dosit,
"turn", "turn undead", doturn,
#endif
#if defined(KOPS) && defined(KAA)
"wipe", "wipe your face off", dowipe,
#endif
"?", "get this list of extended commands", doextlist,
(char *) 0, (char *) 0, donull
};
extern char *parse(), lowc(), unctrl(), quitchars[];
rhack(cmd)
register char *cmd;
{
register struct func_tab *tlist = cmdlist;
boolean firsttime = FALSE;
register res;
if(!cmd) {
firsttime = TRUE;
flags.nopick = 0;
cmd = parse();
}
#ifdef REDO
if (*cmd == DOAGAIN && !in_doagain && saveq[0]) {
in_doagain = TRUE;
stail = 0;
rhack((char *) 0); /* read and execute command */
in_doagain = FALSE;
return;
}
/* Special case of *cmd == ' ' handled better below */
if(!*cmd || *cmd == (char)0377) {
#else
if(!*cmd || *cmd == (char)0377 || (flags.no_rest_on_space && *cmd == ' ')){
#endif
bell();
flags.move = 0;
return; /* probably we just had an interrupt */
}
if(movecmd(*cmd)) {
walk:
if(multi) flags.mv = 1;
domove();
return;
}
if(movecmd(lowc(*cmd))) {
flags.run = 1;
rush:
if(firsttime){
if(!multi) multi = COLNO;
u.last_str_turn = 0;
}
flags.mv = 1;
#ifdef QUEST
if(flags.run >= 4) finddir();
if(firsttime){
u.ux0 = u.ux + u.dx;
u.uy0 = u.uy + u.dy;
}
#endif
domove();
return;
}
if((*cmd == 'g' && movecmd(cmd[1])) || movecmd(unctrl(*cmd))) {
flags.run = 2;
goto rush;
}
if(*cmd == 'G' && movecmd(lowc(cmd[1]))) {
flags.run = 3;
goto rush;
}
if(*cmd == 'm' && movecmd(cmd[1])) {
flags.run = 0;
flags.nopick = 1;
goto walk;
}
if(*cmd == 'M' && movecmd(lowc(cmd[1]))) {
flags.run = 1;
flags.nopick = 1;
goto rush;
}
#ifdef QUEST
if(*cmd == cmd[1] && (*cmd == 'g' || *cmd == 'G')) {
flags.run = 4;
if(*cmd == 'G') flags.run += 2;
if(cmd[2] == '-') flags.run += 1;
goto rush;
}
#endif
while(tlist->f_char) {
if(*cmd == tlist->f_char){
#ifdef DGKMOD
/* Special case of *cmd == ' ' handled here */
if (*cmd == ' ' && flags.no_rest_on_space)
break;
/* Now control-A can stop lengthy commands */
if (tlist->f_text && !occupation && multi)
set_occupation(tlist->f_funct, tlist->f_text,
multi);
#endif
res = (*(tlist->f_funct))();
if(!res) {
flags.move = 0;
multi = 0;
}
return;
}
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;
}
}
*cp++ = 0;
pline("Unknown command '%s'.", expcmd);
}
multi = flags.move = 0;
return;
}
doextcmd() /* here after # - now read a full-word command */
{
char buf[BUFSZ];
register struct ext_func_tab *efp = extcmdlist;
pline("# ");
#ifdef COM_COMPL
get_ext_cmd(buf);
#else
getlin(buf);
#endif
clrlin();
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);
}
doextlist() /* here after #? - now list all full-word commands */
{
register struct ext_func_tab *efp = extcmdlist;
char buf[BUFSZ];
set_pager(0);
if(page_line("") ||
page_line(" Extended Command Set:") ||
page_line("")) goto quit;
while(efp->ef_txt) {
(void)sprintf(buf, " %-8s - %s.", efp->ef_txt, efp->ef_desc);
if(page_line(buf)) goto quit;
efp++;
}
set_pager(1);
return(0);
quit:
set_pager(2);
return(0);
}
char
lowc(sym)
char sym;
{
return( (sym >= 'A' && sym <= 'Z') ? sym+'a'-'A' : sym );
}
char
unctrl(sym)
char 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 };
movecmd(sym) /* also sets u.dz, but returns false for <> */
char sym;
{
register 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);
}
getdir(s)
boolean s;
{
char dirsym;
#ifdef REDO
if (!in_doagain)
#endif
if(s) pline("In what direction?");
dirsym = readchar();
#ifdef REDO
savech(dirsym);
#endif
#ifdef KAA
if(dirsym == '.' || dirsym == 's')
u.dx = u.dy = u.dz = 0;
else
#endif
if(!movecmd(dirsym) && !u.dz) {
if(!index(quitchars, dirsym))
pline("What a strange direction!");
return(0);
}
if(Confusion && !u.dz) confdir();
return(1);
}
confdir()
{
register 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;
ui %= 8;
if(i == 8){
pline("Not near a wall.");
flags.move = multi = 0;
return(0);
}
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++;
ui %= 8;
if(i == 8){
pline("Not near a room.");
flags.move = multi = 0;
return(0);
}
if(isroom(u.ux+xdir[ui], u.uy+ydir[ui]))
break;
}
u.di = ui;
u.dx = xdir[ui];
u.dy = ydir[ui];
}
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)));
}
#endif /* QUEST /**/
isok(x,y) register x,y; {
/* x corresponds to curx, so x==1 is the first column. Ach. %% */
return(x >= 1 && x <= COLNO-1 && y >= 0 && y <= ROWNO-1);
}
#ifdef WIZARD
int wiz_wish() /* Unlimited wishes for wizard mode by Paul Polderman */
{
if (!wizard) {
pline("Alas! You are not allowed to make a wish.");
pline("Nice try though...");
} else
makewish();
return(0);
}
int wiz_identify()
{
struct obj *obj;
if (!wizard)
pline("You don't have the proper identity!");
else {
for (obj = invent; obj; obj = obj->nobj)
if (!objects[obj->otyp].oc_name_known || !obj->known)
identify(obj);
}
return(0);
}
#endif /* WIZARD */