320 lines
6.5 KiB
C
320 lines
6.5 KiB
C
/* $NetBSD: move.c,v 1.10 2002/01/31 17:35:52 christos Exp $ */
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#ifndef lint
|
|
#if 0
|
|
static char sccsid[] = "@(#)move.c 8.1 (Berkeley) 5/31/93";
|
|
#else
|
|
__RCSID("$NetBSD: move.c,v 1.10 2002/01/31 17:35:52 christos Exp $");
|
|
#endif
|
|
#endif /* not lint */
|
|
|
|
#include "robots.h"
|
|
|
|
# define ESC '\033'
|
|
|
|
/*
|
|
* get_move:
|
|
* Get and execute a move from the player
|
|
*/
|
|
void
|
|
get_move()
|
|
{
|
|
int c;
|
|
#ifdef FANCY
|
|
int lastmove;
|
|
#endif /*FANCY*/
|
|
|
|
if (Waiting)
|
|
return;
|
|
|
|
#ifdef FANCY
|
|
if (Pattern_roll) {
|
|
if (Next_move >= Move_list)
|
|
lastmove = *Next_move;
|
|
else
|
|
lastmove = -1; /* flag for "first time in" */
|
|
} else
|
|
lastmove = 0; /* Shut up gcc */
|
|
#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:
|
|
if (Auto_bot)
|
|
c = automove();
|
|
else
|
|
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(0);
|
|
refresh();
|
|
break;
|
|
case 'w':
|
|
case 'W':
|
|
Waiting = TRUE;
|
|
leaveok(stdscr, TRUE);
|
|
goto ret;
|
|
case 't':
|
|
case 'T':
|
|
teleport:
|
|
Running = FALSE;
|
|
mvaddch(My_pos.y, My_pos.x, ' ');
|
|
My_pos = *rnd_pos();
|
|
telmsg(1);
|
|
refresh();
|
|
sleep(1);
|
|
telmsg(0);
|
|
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?
|
|
*/
|
|
bool
|
|
must_telep()
|
|
{
|
|
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
|
|
*/
|
|
bool
|
|
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
|
|
*/
|
|
bool
|
|
eaten(pos)
|
|
const COORD *pos;
|
|
{
|
|
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
|
|
*/
|
|
void
|
|
reset_count()
|
|
{
|
|
Count = 0;
|
|
Running = FALSE;
|
|
leaveok(stdscr, FALSE);
|
|
refresh();
|
|
}
|
|
|
|
/*
|
|
* jumping:
|
|
* See if we are jumping, i.e., we should not refresh.
|
|
*/
|
|
bool
|
|
jumping()
|
|
{
|
|
return (Jump && (Count || Running || Waiting));
|
|
}
|