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io.c
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io.c
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/*
* io.c: Rog-O-Matic XIV (CMU) Tue Mar 19 21:00:11 1985 - mlm
* Copyright (C) 1985 by A. Appel, G. Jacobson, L. Hamey, and M. Mauldin
*
* This file contains all of the functions which deal with the real world.
*/
# include <curses.h>
# include <ctype.h>
# include <string.h>
# include <stdlib.h>
# include "install.h"
# ifndef BSD42
# include <time.h>
# else
# include <sys/time.h>
# endif
# include <sys/ioctl.h>
# include "types.h"
# include "globals.h"
# include "termtokens.h"
# define READ 0
/*
* Charonscreen returns the current character on the screen (using
* curses(3)). This macro is based on the winch(win) macro.
*/
# define charonscreen(X,Y) mvinch(X,Y)
char *month[] =
{ "Jan", "Feb", "Mar", "Apr", "May", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
static char screen00 = ' ';
/* Constants */
# define SENDQ 256
/* The command queue */
char queue[SENDQ]; /* To Rogue */
int head = 0, tail = 0;
/*
* Getrogue: Sensory interface.
*
* Handle grungy low level terminal I/O. Getrogue reads tokens from the
* Rogue process and interprets them, making the screen array an image of
* the rogue level. Getrogue returns when the string waitstr has been read
* and either the cursor is on the Rogue '@' or some other condition
* implies that we have synchronized with Rogue.
*/
getrogue (waitstr, onat)
char *waitstr; /* String to synchronize with */
int onat; /* 0 ==> Wait for waitstr
1 ==> Cursor on @ sufficient
2 ==> [1] + send ';' when ever
we eat a --More-- message */
{ int botprinted = 0, wasmapped = didreadmap, r, c, pending ();
register int i, j;
char *s, *m, *q, *d, *call;
int *doors, ch, getroguetoken();
static moved = 0;
newdoors = doorlist; /* no new doors found yet */
atrow0 = atrow; atcol0 = atcol; /* Save our current posistion */
s = waitstr; /* FSM to check for the wait msg */
m = "More--"; /* FSM to check for '--More--' */
call = "Call it:"; /* FSM to check for 'Call it:' */
q = "(* for list): "; /* FSM to check for prompt */
d = ")______"; /* FSM to check for tombstone grass */
if (moved) /* If we moved last time, put any */
{ sleepmonster (); moved = 0; } /* Old monsters to sleep */
/* While we have not reached the end of the Rogue input, read */
/* characters from Rogue and figure out what they mean. */
while ((*s) ||
((!hasted || version != RV36A) && onat && screen[row][col] != '@'))
{ ch = getroguetoken ();
/* If message ends in "(* for list): ", call terpmes */
if (ch == *q) { if (*++q == 0) terpmes (); }
else q = "(* for list): ";
/* Rogomatic now keys off of the grass under the Tombstone to */
/* detect that it has been killed. This was done because the */
/* "Press return" prompt only happens if there is a score file */
/* Available on that system. Hopefully the grass is the same */
/* in all versions of Rogue! */
if (ch == *d) { if (0 == *++d) { addch (ch); deadrogue (); return;} }
else d = ")_______";
/* If the message has a more, strip it off and call terpmes */
if (ch == *m)
{ if (*++m == 0)
{ /* More than 50 messages since last command ==> start logging */
if (++morecount > 50 && !logging)
{ toggleecho (); dwait (D_WARNING, "Started logging --More-- loop."); }
/* More than 100 messages since last command ==> infinite loop */
if (++morecount > 100) dwait (D_FATAL, "Caught in --More-- loop.");
/* Send a space (and possibly a semicolon) to clear the message */
if (onat == 2) sendnow (" ;");
else sendnow (" ");
/* Clear the --More-- of the end of the message */
for (i = col - 7; i < col; screen[0][i++] = ' ');
terpmes (); /* Interpret the message */
/* This code gets rid of the "Studded leather arm" bug */
/* But it causes other problems. MLM */
/* sprintf (&screen[0][col - 7], "--More--"); */
}
}
else m = "More--";
/* If the message is 'Call it:', cancel the request */
if (ch == *call)
{ if (*++call == 0)
{ /* Send an escape (and possibly a semicolon) to clear the message */
if (onat == 2) sendnow ("%c;", ESC);
else sendnow ("%c", ESC);
}
}
else call = "Call it:";
/* Check to see whether we have read the synchronization string */
if (*s) { if (ch == *s) s++; else s = waitstr; }
/* Now figure out what the token means */
switch (ch)
{ case BS_TOK:
col--;
break;
case CE_TOK:
if (row && row < 23)
for (i = col; i < 80; i++)
{ updatepos (' ', row, i);
screen[row][i] = ' ';
}
else
for (i = col; i < 80; i++)
screen[row][i] = ' ';
if (row) { at (row, col); clrtoeol (); }
else if (col == 0) screen00 = ' ';
break;
case CL_TOK:
clearscreen ();
break;
case CM_TOK:
screen00 = screen[0][0];
break;
case CR_TOK:
/* Handle missing '--more--' between inventories MLM 24-Jun-83 */
if (row==0 && screen[0][1]==')' && screen[0][col-1] != '-')
terpmes ();
col = 0;
break;
case DO_TOK:
row++;
break;
case ER_TOK:
break;
case LF_TOK:
row++;
col = 0;
break;
case ND_TOK:
col++;
break;
case SE_TOK:
revvideo = 0;
standend ();
break;
case SO_TOK:
revvideo = 1;
standout ();
break;
case TA_TOK:
col = 8 * (1 + col / 8);
break;
case EOF:
if (interrupted) return;
if (!replaying || !logdigested) { playing = 0; return; }
saynow ("End of game log, type 'Q' to exit.");
return;
break;
case UP_TOK:
row--;
break;
default:
if (ch < ' ')
{ saynow ("Unknown character '\\%o'--more--", ch);
waitforspace ();
}
else if (row)
{ at (row, col);
if (!emacs && !terse) addch (ch);
if (row == 23) botprinted = 1;
else updatepos (ch, row, col);
}
else if (col == 0)
{ screen00 = screen[0][0]; }
else if (col == 1 && ch == 'l' && screen[0][0] == 'I')
{ screen[0][0] = screen00;
if (screen00 != ' ') terpmes ();
screen[0][0] = 'I';
}
screen[row][col++] = ch;
break;
}
}
if (botprinted) terpbot ();
if (atrow != atrow0 || atcol != atcol0)
{ updateat (); /* Changed position, record the move */
moved = 1; /* Indicate that we moved */
wakemonster (8); /* Wake up adjacent mean monsters */
currentrectangle(); /* Keep current rectangle up to date. LGCH */
}
if (!usesynch && !pending ())
{ usesynch = 1;
lastobj = NONE;
resetinv();
}
if (version < RV53A && checkrange && !pending ())
{ command (T_OTHER, "Iz"); checkrange = 0; }
/* If mapping status has changed */
if (wasmapped != didreadmap)
{ dwait (D_CONTROL | D_SEARCH, "wasmapped: %d didreadmap: %d",
wasmapped, didreadmap);
mapinfer ();
}
if (didreadmap != Level)
{ doors = doorlist;
while (doors != newdoors)
{ r = *doors++; c = *doors++;
dwait (D_INFORM, "new door at %d, %d", r, c);
inferhall (r, c);
}
}
if (!blinded)
for (i = atrow-1; i <= atrow+1; i++) /* For blanks around the */
for (j = atcol-1; j <= atcol+1; j++) /* rogue... */
if (seerc(' ',i,j) && onrc(CANGO,i,j)) /* CANGO+BLANK impossible */
{ unsetrc (CANGO | SAFE, i, j); /* Infer cant go and... */
setnewgoal (); /* invalidate the map. */
}
at (row, col);
if (!emacs && !terse) refresh ();
}
/*
* terpbot: Read the Rogue status line and set the various status
* variables. This routine depends on the value of version to decide what
* the status line looks like.
*/
terpbot ()
{ char sstr[30], modeline[256];
int oldlev = Level, oldgold = Gold, oldhp = Hp, Str18 = 0;
extern int geneid;
register int i, oldstr = Str, oldAc = Ac, oldExp = Explev;
/* Since we use scanf to read this field, it must not be left blank */
if (screen[23][78] == ' ') screen[23][78] = 'X';
/* Read the bottom line, there are three versions of the status line */
if (version < RV52A) /* Rogue 3.6, Rogue 4.7? */
{ sscanf (screen[23],
" Level: %d Gold: %d Hp: %d(%d) Str: %s Ac: %d Exp: %d/%d %s",
&Level, &Gold, &Hp, &Hpmax, sstr, &Ac, &Explev, &Exp, Ms);
sscanf (sstr, "%d/%d", &Str, &Str18);
Str = Str * 100 + Str18;
if (Str > Strmax) Strmax = Str;
}
else if (version < RV53A) /* Rogue 5.2 (versions A and B) */
{ sscanf (screen[23],
" Level: %d Gold: %d Hp: %d(%d) Str: %d(%d) Ac: %d Exp: %d/%d %s",
&Level, &Gold, &Hp, &Hpmax, &Str, &Strmax, &Ac, &Explev, &Exp, Ms);
Str = Str * 100; Strmax = Strmax * 100;
}
else /* Rogue 5.3 (and beyond???) */
{ sscanf (screen[23],
" Level: %d Gold: %d Hp: %d(%d) Str: %d(%d) Arm: %d Exp: %d/%d %s",
&Level, &Gold, &Hp, &Hpmax, &Str, &Strmax, &Ac, &Explev, &Exp, Ms);
Str = Str * 100; Strmax = Strmax * 100; Ac = 10 - Ac;
}
/* Monitor changes in some variables */
if (screen[23][78] == 'X') screen[23][78] = ' '; /* Restore blank */
if (oldlev != Level) newlevel ();
if (Level > MaxLevel) MaxLevel = Level;
if (oldgold < Gold) deletestuff (atrow, atcol);
if (oldhp < Hp) newring = 1;
lastdamage = max (0, oldhp - Hp);
/*
* Insert code here to monitor changes in attributes due to special
* attacks MLM October 26, 1983.
*/
setbonuses ();
/*
* If in special output modes, generate output line
*/
if ((oldlev != Level || oldgold != Gold || oldstr != Str ||
oldAc != Ac || oldExp != Explev))
{
/* Stuff the new values into the argument space (for ps command) */
sprintf (modeline, "Rgm %d: Id%d L%d %d %d(%d) s%d a%d e%d ",
rogpid, geneid, Level, Gold, Hp, Hpmax, Str / 100, 10-Ac, Explev);
modeline[arglen-1] = '\0';
strcpy (parmstr, modeline);
/* Handle Emacs and Terse mode */
if (emacs || terse)
{ /* Skip backward over blanks and nulls */
for (i = 79; screen[23][i] == ' ' || screen[23][i] == '\0'; i--);
screen[23][++i] = '\0';
if (emacs)
{ sprintf (modeline, " %s (%%b)", screen[23]);
if (strlen (modeline) > 72) sprintf (modeline, " %s", screen[23]);
fprintf (realstdout, "%s", modeline);
fflush (realstdout);
}
else if (terse && oldlev != Level)
{ fprintf (realstdout, "%s\n", screen[23]);
fflush (realstdout);
}
}
}
}
/*
* dumpwalls: Dump the current screen map
*/
dumpwalls ()
{ register int r, c, S;
char ch;
printexplored ();
for (r = 1; r < 23; r++)
{ for (c = 0; c < 80; c++)
{ S=scrmap[r][c];
ch = (ARROW&S) ? 'a' :
(TELTRAP&S) ? 't' :
(TRAPDOR&S) ? 'v' :
(GASTRAP&S) ? 'g' :
(BEARTRP&S) ? 'b' :
(DARTRAP&S) ? 's' :
(WATERAP&S) ? 'w' :
(TRAP&S) ? '^' :
(STAIRS&S) ? '>' :
(RUNOK&S) ? '%' :
((DOOR+BEEN&S)==DOOR+BEEN) ? 'D' :
(DOOR&S) ? 'd' :
((BOUNDARY+BEEN&S)==BOUNDARY+BEEN) ? 'B' :
((ROOM+BEEN&S)==ROOM+BEEN) ? 'R' :
(BEEN&S) ? ':' :
(HALL&S) ? '#' :
((BOUNDARY+WALL&S)==BOUNDARY+WALL) ? 'W' :
(BOUNDARY&S) ? 'b' :
(ROOM&S) ? 'r' :
(CANGO&S) ? '.' :
(WALL&S) ? 'W' :
(S) ? 'X' : '\0';
if (ch) mvaddch (r, c, ch);
}
}
at (row, col);
}
/*
* sendnow: Send a string to the Rogue process.
*/
/* VARARGS1 */
sendnow (char *f, ...)
{ va_list ap;
char cmd[128];
register char *s = cmd;
va_start (ap, f);
vsprintf (cmd, f, ap);
va_end (ap);
while (*s) sendcnow (*s++);
}
/*
* sendcnow: send a character to the Rogue process. This routine also does
* the logging of characters in echo mode.
*/
sendcnow (c)
int c;
{ if (replaying) return;
if (logging)
{ if (cecho)
{ fprintf (fecho, "\nC: \"%c", c); cecho = !cecho; }
else
fprintf (fecho, "%c", c);
}
fprintf (trogue, "%c", c);
}
/*
* send: add a string to the queue of commands to be sent to Rogue. The
* commands are sent one at a time by the resend routine.
*/
# define bump(p,sizeq) (p)=((p)+1)%sizeq
/* VARARGS1 */
send (char *f, ...)
{ va_list ap;
char cmd[128];
register char *s = cmd;
va_start (ap, f);
vsprintf (s, f, ap);
va_end (ap);
for (; *s; bump (tail, SENDQ))
queue[tail] = *(s++);
/* Appends null, so resend will treat as a unit */
queue[tail] = '\0';
bump (tail, SENDQ);
}
/*
* resend: Send next block of characters from the queue
*/
resend ()
{ register char *l=lastcmd; /* Ptr into last command */
morecount = 0; /* Clear message count */
if (head == tail) return (0); /* Fail if no commands */
/* Send all queued characters until the next queued NULL */
while (queue[head])
{ sendcnow (*l++ = queue[head]); bump (head, SENDQ); }
bump (head, SENDQ);
*l = '\0';
return (1); /* Return success */
}
/*
* pending: Return true if there is a command in the queue to be sent to
* Rogue.
*/
pending ()
{ return (head != tail);
}
/*
* getroguetoken: get a command from Rogue (either a character or a
* cursor motion sequence).
*/
int getroguetoken ()
{ int ch;
int getlogtoken();
if (replaying)
return (getlogtoken());
ch = GETROGUECHAR;
/* Convert escape sequences into tokens (negative numbers) */
if (ch == ESC)
{ switch (ch = GETROGUECHAR)
{ case CE_CHR: ch = CE_TOK; break;
case CL_CHR: ch = CL_TOK; break;
case CM_CHR: ch = CM_TOK; break;
case DO_CHR: ch = DO_TOK; break;
case ND_CHR: ch = ND_TOK; break;
case SE_CHR: ch = SE_TOK; break;
case SO_CHR: ch = SO_TOK; break;
case UP_CHR: ch = UP_TOK; break;
default: saynow ("Unknown sequence ESC-%s --More--", unctrl(ch));
waitforspace ();
ch = ER_TOK;
}
}
/* Get arguments for cursor addressing */
if ((int) ch == CM_TOK)
{ row = (int) GETROGUECHAR - 32; col = (int) GETROGUECHAR - 32; }
/* Log the tokens */
if (logging)
{ if (!cecho) { fprintf (fecho, "\"\nR: "); cecho = !cecho; }
if (ISPRT (ch)) fprintf (fecho, "%c", ch);
else switch (ch)
{ case BS_TOK: fprintf (fecho, "{bs}"); break;
case CE_TOK: fprintf (fecho, "{ce}"); break;
case CL_TOK: fprintf (fecho, "{ff}"); break;
case CM_TOK: fprintf (fecho, "{cm(%d,%d)}", row, col); break;
case CR_TOK: fprintf (fecho, "{cr}"); break;
case DO_TOK: fprintf (fecho, "{do}"); break;
case LF_TOK: fprintf (fecho, "{nl}"); break;
case ND_TOK: fprintf (fecho, "{nd}"); break;
case SE_TOK: fprintf (fecho, "{se}"); break;
case SO_TOK: fprintf (fecho, "{so}"); break;
case TA_TOK: fprintf (fecho, "{ta}"); break;
case UP_TOK: fprintf (fecho, "{up}"); break;
case ER_TOK: fprintf (fecho, "{ERRESC}", ch); break;
default: fprintf (fecho, "{ERR%o}", ch);
ch = ER_TOK;
}
fflush (fecho);
}
return (ch);
}
/*
* at: move the cursor. Now just a call to move();
*/
at (r, c)
int r, c;
{ move (r, c);
}
/*
* deadrogue: Called when we have been killed, it reads the tombstone
* to see how much we had when we died and who killed us. It then
* calls quitrogue to handle the termination handshaking and log the
* game.
*/
# define GOLDROW 15
# define KILLROW 17
# define TOMBCOL 19
deadrogue ()
{ int mh;
char *killer, *killend;
printw ("\n\nOops...");
refresh ();
sscanf (&screen[GOLDROW][TOMBCOL], "%18d", &Gold);
killer = &screen[KILLROW][TOMBCOL];
killend = killer+17;
while (*killer==' ') ++killer;
while (*killend==' ') *(killend--) = '\0';
/* Record the death blow if killed by a monster */
if ((mh = findmonster (killer)) != NONE)
{ addprob (&monhist[mh].theyhit, SUCCESS);
addstat (&monhist[mh].damage, Hp);
}
quitrogue (killer, Gold, DIED);
}
/*
* quitrogue: we are going to quit. Log the game and send a \n to
* the Rogue process, then wait for it to die before returning.
*/
quitrogue (reason, gld, terminationtype)
char *reason; /* A reason string for the summary line */
int gld; /* What is the final score */
int terminationtype; /* SAVED, FINSISHED, or DIED */
{ struct tm *localtime(), *ts;
long clock;
char *k, *r;
/* Save the killer and score */
for (k=ourkiller, r=reason; *r && *r != ' '; ++k, ++r) *k = *r;
*k = '\0';
ourscore = gld;
/* Dont need to make up any more commands */
if (!replaying || !logdigested)
playing = 0;
/* Now get the current time, so we can date the score */
clock = time(&clock);
ts = localtime(&clock);
/* Build a summary line */
sprintf (sumline, "%3s %2d, %4d %-8.8s %7d%s%-17.17s %3d %3d ",
month[ts -> tm_mon], ts -> tm_mday, 1900 + ts -> tm_year,
getname (), gld, cheat ? "*" : " ", reason, MaxLevel, Hpmax);
if (Str % 100)
sprintf (sumline, "%s%2d.%2d", sumline, Str/100, Str%100);
else
sprintf (sumline, "%s %2d ", sumline, Str/100);
sprintf (sumline, "%s %2d %2d/%-6d %d",
sumline, Ac, Explev, Exp, ltm.gamecnt);
/* Now write the summary line to the log file */
at (23, 0); clrtoeol (); refresh ();
/* 22 is index of score in sumline */
if (!replaying)
add_score (sumline, versionstr, (terse || emacs || noterm));
/* Restore interrupt status */
reset_int ();
/* Set the termination message based on the termination method */
if (stlmatch (reason, "total winner"))
termination = "victorius";
else if (stlmatch (reason, "user typing quit"))
termination = "abortivus";
else if (stlmatch (reason, "gave up"))
termination = "inops consilii";
else if (stlmatch (reason, "quit (scoreboard)"))
termination = "callidus";
else if (stlmatch (reason, "saved"))
termination = "suspendus";
/* Send the requisite handshaking to Rogue */
if (terminationtype == DIED)
sendnow ("\n");
else if (terminationtype == FINISHED)
sendnow ("Qy\n");
else
sendnow ("Syy"); /* Must send two yesses, R5.2 MLM */
/* Wait for Rogue to die */
wait ((int *) NULL);
}
/*
* waitfor: snarf characters from Rogue until a string is found.
* The characters are echoed to the users screen.
*
* The string must not contain a valid prefix of itself
* internally.
*
* MLM 8/27/82
*/
waitfor (mess)
char *mess;
{ register char *m = mess;
while (*m)
{ if (getroguetoken () == *m) m++;
else m = mess;
}
}
/*
* say: Display a messsage on the top line. Restore cursor to Rogue.
*/
/* VARARGS1 */
say (char *f, ...)
{ va_list ap;
char buf[BUFSIZ], *b;
if (!emacs && !terse)
{ va_start (ap,f);
vsprintf (buf, f, ap);
va_end (ap);
at (0,0);
for (b=buf; *b; b++) printw ("%s", unctrl (*b));
clrtoeol ();
at (row, col);
}
}
vsay(char *f, va_list ap)
{ char buf[BUFSIZ], *b;
if (!emacs && !terse)
{ vsprintf (buf, f, ap);
at (0,0);
for (b=buf; *b; b++) printw ("%s", unctrl (*b));
clrtoeol ();
at (row, col);
}
}
/*
* saynow: Display a messsage on the top line. Restore cursor to Rogue,
* and refresh the screen.
*/
/* VARARGS1 */
saynow (char *f, ...)
{ va_list ap;
if (!emacs && !terse)
{ va_start (ap, f);
vsay (f, ap);
va_end (ap);
refresh ();
}
}
/*
* waitforspace: Wait for the user to type a space.
* Be sure to interpret a snapshot command, if given.
*/
waitforspace ()
{ char ch;
refresh ();
if (!noterm)
while ((ch = fgetc (stdin)) != ' ')
if (ch == '/') dosnapshot ();
at (row, col);
}
/*
* givehelp: Each time a ? is pressed, this routine prints the next
* help message in a sequence of help messages. Nexthelp is an
*/
char *nexthelp[] =
{ "Rgm commands: t=toggle run mode, e=logging, i=inventory, -=status [?]",
"Rgm commands: <ret>=singlestep, `=summary, /=snapshot, R=replay [?]",
"Rgm commands: m=long term memory display, G=display gene settings [?]",
"Rogue cmds: S=Save, Q=Quit, h j k l H J K L b n u y N B U Y f s < > [?]",
"Wizard: d=debug, !=show items, @=show monsters, #=show level flags [?]",
"Wizard: ~=version, ^=bowrank, %%=armorrank, $=weaponrank, ==ringrank [?]",
"Wizard: (=database, )=cycles, +=possible secret doors, :=chicken [?]",
"Wizard: [=weapstat, ]=rustproof armor, r=resetinv, &=object count [?]",
"Wizard: *=toggle blind, C=toggle cosmic, M=mazedoor, A=attempt, {=flags",
NULL
};
char **helpline = nexthelp;
givehelp ()
{
if (*helpline == NULL) helpline = nexthelp;
saynow (*helpline++);
}
/*
* pauserogue: Wait for the user to type a space and then redraw the
* screen. Now uses the stored image and passes it to
* curses rather than sending a form feed to Rogue. MLM
*/
pauserogue ()
{
at (23, 0);
addstr ("--press space to continue--");
clrtoeol ();
refresh ();
waitforspace ();
redrawscreen ();
}
/*
* getrogver: Read the output of the Rogue version command
* and set version. RV36B = 362 (3.6 with wands)
* and RV52A = 521 (5.2). Note that RV36A is
* infered when we send a "//" command to identify
* wands.
*
* Get version from first 2000 chars of a log file Feb 9, 1985 - mlm
*/
# define VERMSG "ersion "
getrogver ()
{ register char *vstr = versionstr, *m = VERMSG;
register int cnt = 2000, ch;
if (replaying) /* Look for version string in log */
{ while (cnt-- > 0 && *m)
{ if (fgetc (logfile) == *m) m++; else m = VERMSG;}
if (*m == '\0') /* Found VERMSG, get version string */
{ while ((ch = fgetc (logfile)) != ' ') *(vstr++) = ch;
*--vstr = '\0';
}
else /* Use default version */
{ sprintf (versionstr, DEFVER); }
rewind (logfile); /* Put log file back to start */
}
else /* Execute the version command */
{ sendnow ("v");
getrogue ("ersion ", 0);
while ((ch = getroguetoken ()) != ' ') *(vstr++) = ch;
*--vstr = '\0';
}
if (stlmatch (versionstr, "3.6")) version = RV36B;
else if (stlmatch (versionstr, "5.2")) version = RV52A;
else if (stlmatch (versionstr, "5.3")) version = RV53A;
else if (stlmatch (versionstr, "5.4")) version = RV54A;
else saynow ("What a strange version of Rogue! ");
}
/*
* charsavail: How many characters are there at the terminal? If any
* characters are found, 'noterm' is reset, since there is obviously
* a terminal around if the user is typing at us.
*/
charsavail ()
{ long n;
int retc;
if (retc = ioctl (READ, FIONREAD, &n))
{ saynow ("Ioctl returns %d, n=%ld.\n", retc, n);
n=0;
}
if (n > 0) noterm = 0;
return ((int) n);
}
/*
* redrawscreen: Make the users screen look like the Rogue screen (screen).
*/
redrawscreen ()
{ register int i, j;
char ch;
clear ();
for (i = 1; i < 24; i++) for (j = 0; j < 80; j++)
if ((ch = screen[i][j]) > ' ') mvaddch(i, j, ch);
at (row, col);
refresh ();
}
/*
* toggleecho: toggle the I/O echo feature. If first time, open the
* roguelog file.
*/
toggleecho ()
{ if (replaying) return;
logging = !logging;
if (logging)
{ if ((fecho = wopen (ROGUELOG, "w")) == NULL)
{ logging = !logging;
saynow ("can't open %s", ROGUELOG);
}
else
{ fprintf (fecho, "Rogomatic Game Log\n\n");
saynow ("Logging to file %s", ROGUELOG);
cecho = 1;
if (*versionstr) command (T_OTHER, "v");
}
}
else
{ if (cecho)
fprintf (fecho, "\n");
else
fprintf (fecho, "\"\n");
fclose (fecho);
if (playing) saynow ("File %s closed", ROGUELOG);
}
if (playing)
{ at (row, col); refresh (); }
}
/*
* clearsendqueue: Throw away queued Rogue commands.
*/
clearsendqueue ()
{ head = tail;
}
/*
* startreplay: Open the log file to replay.
*/
startreplay (logf, logfname)
FILE **logf;
char *logfname;
{ if ((*logf = fopen (logfname, "r")) == NULL)
{ fprintf (stderr, "Can't open '%s'.\n", logfname);
exit(1);
}
}
/*
* putn: Put 'n' copies of character 'c' on file 'f'.
*/
putn (c, f, n)
register char c;
register FILE *f;
register int n;
{
while (n--)
putc (c, f);
}
/*
* printsnap: print a snapshot to file f.
*/
printsnap (f)
FILE *f;
{ register int i, j, length;
struct tm *localtime(), *ts;
char *statusline();
long clock;
/* Now get the current time, so we can date the snapshot */
clock = time(&clock);
ts = localtime(&clock);
/* Print snapshot timestamp */
fprintf (f, "\nSnapshot taken on %s %d, %d at %02d:%02d:%02d:\n\n",
month[ts -> tm_mon], ts -> tm_mday, 1900 + ts -> tm_year,
ts -> tm_hour, ts -> tm_min, ts -> tm_sec);
/* Print the current map */
putn ('-', f, 79);
fprintf (f, "\n");
for (i = 0; i < 24; i++)
{ for (length = 79; length >= 0 && charonscreen(i,length) == ' '; length--);
for (j=0; j <= length; j++) fprintf (f, "%c", charonscreen(i,j));
fprintf (f, "\n");
}
putn ('-', f, 79);
/* Print status variables */
fprintf (f, "\n\n%s\n\n", statusline ());
/* Print the inventory */
dumpinv (f);
fprintf (f, "\n");
putn ('-', f, 79);
fprintf (f, "\n");
}
/*