2 * Copyright (c) 1980, 1993
3 * The Regents of the University of California. All rights reserved.
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6 * modification, are permitted provided that the following conditions
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23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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29 * @(#)move_robs.c 8.1 (Berkeley) 5/31/93
30 * $FreeBSD: src/games/robots/move_robs.c,v 1.4 1999/11/30 03:49:19 billf Exp $
40 * Move the robots around
43 move_robots(int was_sig
)
48 signal(SIGALRM
, move_robots
);
55 for (rp
= Robots
; rp
< &Robots
[MAXROBOTS
]; rp
++) {
58 mvaddch(rp
->y
, rp
->x
, ' ');
59 Field
[rp
->y
][rp
->x
]--;
60 rp
->y
+= sign(My_pos
.y
- rp
->y
);
61 rp
->x
+= sign(My_pos
.x
- rp
->x
);
64 else if (rp
->y
>= Y_FIELDSIZE
)
65 rp
->y
= Y_FIELDSIZE
- 1;
68 else if (rp
->x
>= X_FIELDSIZE
)
69 rp
->x
= X_FIELDSIZE
- 1;
70 Field
[rp
->y
][rp
->x
]++;
77 for (rp
= Robots
; rp
< &Robots
[MAXROBOTS
]; rp
++)
80 else if (rp
->y
== My_pos
.y
&& rp
->x
== My_pos
.x
)
82 else if (Field
[rp
->y
][rp
->x
] > 1) {
83 mvaddch(rp
->y
, rp
->x
, HEAP
);
91 mvaddch(rp
->y
, rp
->x
, ROBOT
);
104 if (Dead
|| Num_robots
<= 0)
105 longjmp(End_move
, 0);
122 * Add a score to the overall point total
128 move(Y_SCORE
, X_SCORE
);
134 * Return the sign of the number