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Annotation of 43BSDReno/games/trek/impulse.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1980 Regents of the University of California.
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms are permitted provided
                      6:  * that: (1) source distributions retain this entire copyright notice and
                      7:  * comment, and (2) distributions including binaries display the following
                      8:  * acknowledgement:  ``This product includes software developed by the
                      9:  * University of California, Berkeley and its contributors'' in the
                     10:  * documentation or other materials provided with the distribution and in
                     11:  * all advertising materials mentioning features or use of this software.
                     12:  * Neither the name of the University nor the names of its contributors may
                     13:  * be used to endorse or promote products derived from this software without
                     14:  * specific prior written permission.
                     15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
                     16:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
                     17:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     18:  */
                     19: 
                     20: #ifndef lint
                     21: static char sccsid[] = "@(#)impulse.c  5.4 (Berkeley) 6/1/90";
                     22: #endif /* not lint */
                     23: 
                     24: # include      "trek.h"
                     25: 
                     26: /**
                     27:  **    move under impulse power
                     28:  **/
                     29: 
                     30: impulse()
                     31: {
                     32:        int                     course;
                     33:        register int            power;
                     34:        double                  dist, time;
                     35:        register int            percent;
                     36:        extern double           move();
                     37: 
                     38:        if (Ship.cond == DOCKED)
                     39:                return (printf("Scotty: Sorry captain, but we are still docked.\n"));
                     40:        if (damaged(IMPULSE))
                     41:                return (out(IMPULSE));
                     42:        if (getcodi(&course, &dist))
                     43:                return;
                     44:        power = 20 + 100 * dist;
                     45:        percent = 100 * power / Ship.energy + 0.5;
                     46:        if (percent >= 85)
                     47:        {
                     48:                printf("Scotty: That would consume %d%% of our remaining energy.\n",
                     49:                        percent);
                     50:                if (!getynpar("Are you sure that is wise"))
                     51:                        return;
                     52:                printf("Aye aye, sir\n");
                     53:        }
                     54:        time = dist / 0.095;
                     55:        percent = 100 * time / Now.time + 0.5;
                     56:        if (percent >= 85)
                     57:        {
                     58:                printf("Spock: That would take %d%% of our remaining time.\n",
                     59:                        percent);
                     60:                if (!getynpar("Are you sure that is wise"))
                     61:                        return;
                     62:                printf("(He's finally gone mad)\n");
                     63:        }
                     64:        Move.time = move(0, course, time, 0.095);
                     65:        Ship.energy -= 20 + 100 * Move.time * 0.095;
                     66: }

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