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freebsd/games/robots/move.c
Jordan K. Hubbard 554eb505f8 Bring in the 4.4 Lite games directory, modulo man page changes and segregation
of the x11 based games.  I'm not going to tag the originals with bsd_44_lite
and do this in two stages since it's just not worth it for this collection,
and I've got directory renames to deal with that way.  Bleah.
Submitted by:	jkh
1994-09-04 04:03:31 +00:00

301 lines
6.3 KiB
C

/*
* Copyright (c) 1980, 1993
* The Regents of the University of California. 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
*/
#ifndef lint
static char sccsid[] = "@(#)move.c 8.1 (Berkeley) 5/31/93";
#endif /* not lint */
#include <sys/ttydefaults.h>
#include <ctype.h>
#include "robots.h"
# define ESC '\033'
/*
* get_move:
* Get and execute a move from the player
*/
get_move()
{
register int c;
register int y, x, lastmove;
static COORD newpos;
if (Waiting)
return;
#ifdef FANCY
if (Pattern_roll) {
if (Next_move >= Move_list)
lastmove = *Next_move;
else
lastmove = -1; /* flag for "first time in" */
}
#endif
for (;;) {
if (Teleport && must_telep())
goto teleport;
if (Running)
c = Run_ch;
else if (Count != 0)
c = Cnt_move;
#ifdef FANCY
else if (Num_robots > 1 && Stand_still)
c = '>';
else if (Num_robots > 1 && Pattern_roll) {
if (*++Next_move == '\0') {
if (lastmove < 0)
goto over;
Next_move = Move_list;
}
c = *Next_move;
mvaddch(0, 0, c);
if (c == lastmove)
goto over;
}
#endif
else {
over:
c = getchar();
if (isdigit(c)) {
Count = (c - '0');
while (isdigit(c = getchar()))
Count = Count * 10 + (c - '0');
if (c == ESC)
goto over;
Cnt_move = c;
if (Count)
leaveok(stdscr, TRUE);
}
}
switch (c) {
case ' ':
case '.':
if (do_move(0, 0))
goto ret;
break;
case 'y':
if (do_move(-1, -1))
goto ret;
break;
case 'k':
if (do_move(-1, 0))
goto ret;
break;
case 'u':
if (do_move(-1, 1))
goto ret;
break;
case 'h':
if (do_move(0, -1))
goto ret;
break;
case 'l':
if (do_move(0, 1))
goto ret;
break;
case 'b':
if (do_move(1, -1))
goto ret;
break;
case 'j':
if (do_move(1, 0))
goto ret;
break;
case 'n':
if (do_move(1, 1))
goto ret;
break;
case 'Y': case 'U': case 'H': case 'J':
case 'K': case 'L': case 'B': case 'N':
case '>':
Running = TRUE;
if (c == '>')
Run_ch = ' ';
else
Run_ch = tolower(c);
leaveok(stdscr, TRUE);
break;
case 'q':
case 'Q':
if (query("Really quit?"))
quit();
refresh();
break;
case 'w':
case 'W':
Waiting = TRUE;
leaveok(stdscr, TRUE);
flushok(stdscr, FALSE);
goto ret;
case 't':
case 'T':
teleport:
Running = FALSE;
mvaddch(My_pos.y, My_pos.x, ' ');
My_pos = *rnd_pos();
mvaddch(My_pos.y, My_pos.x, PLAYER);
leaveok(stdscr, FALSE);
refresh();
flush_in();
goto ret;
case CTRL('L'):
wrefresh(curscr);
break;
case EOF:
break;
default:
putchar(CTRL('G'));
reset_count();
fflush(stdout);
break;
}
}
ret:
if (Count > 0)
if (--Count == 0)
leaveok(stdscr, FALSE);
}
/*
* must_telep:
* Must I teleport; i.e., is there anywhere I can move without
* being eaten?
*/
must_telep()
{
register int x, y;
static COORD newpos;
#ifdef FANCY
if (Stand_still && Num_robots > 1 && eaten(&My_pos))
return TRUE;
#endif
for (y = -1; y <= 1; y++) {
newpos.y = My_pos.y + y;
if (newpos.y <= 0 || newpos.y >= Y_FIELDSIZE)
continue;
for (x = -1; x <= 1; x++) {
newpos.x = My_pos.x + x;
if (newpos.x <= 0 || newpos.x >= X_FIELDSIZE)
continue;
if (Field[newpos.y][newpos.x] > 0)
continue;
if (!eaten(&newpos))
return FALSE;
}
}
return TRUE;
}
/*
* do_move:
* Execute a move
*/
do_move(dy, dx)
int dy, dx;
{
static COORD newpos;
newpos.y = My_pos.y + dy;
newpos.x = My_pos.x + dx;
if (newpos.y <= 0 || newpos.y >= Y_FIELDSIZE ||
newpos.x <= 0 || newpos.x >= X_FIELDSIZE ||
Field[newpos.y][newpos.x] > 0 || eaten(&newpos)) {
if (Running) {
Running = FALSE;
leaveok(stdscr, FALSE);
move(My_pos.y, My_pos.x);
refresh();
}
else {
putchar(CTRL('G'));
reset_count();
}
return FALSE;
}
else if (dy == 0 && dx == 0)
return TRUE;
mvaddch(My_pos.y, My_pos.x, ' ');
My_pos = newpos;
mvaddch(My_pos.y, My_pos.x, PLAYER);
if (!jumping())
refresh();
return TRUE;
}
/*
* eaten:
* Player would get eaten at this place
*/
eaten(pos)
register COORD *pos;
{
register int x, y;
for (y = pos->y - 1; y <= pos->y + 1; y++) {
if (y <= 0 || y >= Y_FIELDSIZE)
continue;
for (x = pos->x - 1; x <= pos->x + 1; x++) {
if (x <= 0 || x >= X_FIELDSIZE)
continue;
if (Field[y][x] == 1)
return TRUE;
}
}
return FALSE;
}
/*
* reset_count:
* Reset the count variables
*/
reset_count()
{
Count = 0;
Running = FALSE;
leaveok(stdscr, FALSE);
refresh();
}
/*
* jumping:
* See if we are jumping, i.e., we should not refresh.
*/
jumping()
{
return (Jump && (Count || Running || Waiting));
}