154 lines
3.9 KiB
C
154 lines
3.9 KiB
C
/*
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* Copyright (c) 1980 Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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/*static char sccsid[] = "from: @(#)move_robs.c 5.5 (Berkeley) 2/28/91";*/
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static char rcsid[] = "$Id: move_robs.c,v 1.2 1993/08/01 18:52:43 mycroft Exp $";
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#endif /* not lint */
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# include "robots.h"
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# include <signal.h>
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/*
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* move_robots:
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* Move the robots around
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*/
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void
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move_robots(was_sig)
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bool was_sig;
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{
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register COORD *rp;
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register int y, x;
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register int mindist, d;
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static COORD newpos;
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if (Real_time)
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signal(SIGALRM, move_robots);
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# ifdef DEBUG
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move(Min.y, Min.x);
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addch(inch());
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move(Max.y, Max.x);
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addch(inch());
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# endif DEBUG
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for (rp = Robots; rp < &Robots[MAXROBOTS]; rp++) {
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if (rp->y < 0)
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continue;
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mvaddch(rp->y, rp->x, ' ');
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Field[rp->y][rp->x]--;
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rp->y += sign(My_pos.y - rp->y);
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rp->x += sign(My_pos.x - rp->x);
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if (rp->y <= 0)
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rp->y = 0;
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else if (rp->y >= Y_FIELDSIZE)
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rp->y = Y_FIELDSIZE - 1;
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if (rp->x <= 0)
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rp->x = 0;
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else if (rp->x >= X_FIELDSIZE)
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rp->x = X_FIELDSIZE - 1;
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Field[rp->y][rp->x]++;
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}
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Min.y = Y_FIELDSIZE;
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Min.x = X_FIELDSIZE;
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Max.y = 0;
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Max.x = 0;
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for (rp = Robots; rp < &Robots[MAXROBOTS]; rp++)
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if (rp->y < 0)
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continue;
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else if (rp->y == My_pos.y && rp->x == My_pos.x)
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Dead = TRUE;
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else if (Field[rp->y][rp->x] > 1) {
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mvaddch(rp->y, rp->x, HEAP);
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rp->y = -1;
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Num_robots--;
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if (Waiting)
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Wait_bonus++;
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add_score(ROB_SCORE);
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}
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else {
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mvaddch(rp->y, rp->x, ROBOT);
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if (rp->y < Min.y)
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Min.y = rp->y;
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if (rp->x < Min.x)
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Min.x = rp->x;
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if (rp->y > Max.y)
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Max.y = rp->y;
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if (rp->x > Max.x)
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Max.x = rp->x;
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}
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if (was_sig) {
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refresh();
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if (Dead || Num_robots <= 0)
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longjmp(End_move, 0);
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}
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# ifdef DEBUG
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standout();
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move(Min.y, Min.x);
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addch(inch());
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move(Max.y, Max.x);
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addch(inch());
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standend();
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# endif DEBUG
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if (Real_time)
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alarm(3);
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}
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/*
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* add_score:
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* Add a score to the overall point total
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*/
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add_score(add)
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int add;
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{
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Score += add;
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move(Y_SCORE, X_SCORE);
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printw("%d", Score);
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}
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/*
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* sign:
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* Return the sign of the number
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*/
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sign(n)
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int n;
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{
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if (n < 0)
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return -1;
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else if (n > 0)
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return 1;
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else
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return 0;
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}
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