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Annotation of 43BSDTahoe/games/trek/kill.c, revision 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
        !             6:  * provided that the above copyright notice and this paragraph are
        !             7:  * duplicated in all such forms and that any documentation,
        !             8:  * advertising materials, and other materials related to such
        !             9:  * distribution and use acknowledge that the software was developed
        !            10:  * by the University of California, Berkeley.  The name of the
        !            11:  * University may not be used to endorse or promote products derived
        !            12:  * from this software without specific prior written permission.
        !            13:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            14:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            15:  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            16:  */
        !            17: 
        !            18: #ifndef lint
        !            19: static char sccsid[] = "@(#)kill.c     5.3 (Berkeley) 6/18/88";
        !            20: #endif /* not lint */
        !            21: 
        !            22: # include      "trek.h"
        !            23: 
        !            24: /*
        !            25: **  KILL KILL KILL !!!
        !            26: **
        !            27: **     This file handles the killing off of almost anything.
        !            28: */
        !            29: 
        !            30: /*
        !            31: **  Handle a Klingon's death
        !            32: **
        !            33: **     The Klingon at the sector given by the parameters is killed
        !            34: **     and removed from the Klingon list.  Notice that it is not
        !            35: **     removed from the event list; this is done later, when the
        !            36: **     the event is to be caught.  Also, the time left is recomputed,
        !            37: **     and the game is won if that was the last klingon.
        !            38: */
        !            39: 
        !            40: killk(ix, iy)
        !            41: int    ix, iy;
        !            42: {
        !            43:        register int            i, j;
        !            44: 
        !            45:        printf("   *** Klingon at %d,%d destroyed ***\n", ix, iy);
        !            46: 
        !            47:        /* remove the scoundrel */
        !            48:        Now.klings -= 1;
        !            49:        Sect[ix][iy] = EMPTY;
        !            50:        Quad[Ship.quadx][Ship.quady].klings -= 1;
        !            51:        /* %%% IS THIS SAFE???? %%% */
        !            52:        Quad[Ship.quadx][Ship.quady].scanned -= 100;
        !            53:        Game.killk += 1;
        !            54: 
        !            55:        /* find the Klingon in the Klingon list */
        !            56:        for (i = 0; i < Etc.nkling; i++)
        !            57:                if (ix == Etc.klingon[i].x && iy == Etc.klingon[i].y)
        !            58:                {
        !            59:                        /* purge him from the list */
        !            60:                        Etc.nkling -= 1;
        !            61:                        for (; i < Etc.nkling; i++)
        !            62:                                bmove(&Etc.klingon[i+1], &Etc.klingon[i], sizeof Etc.klingon[i]);
        !            63:                        break;
        !            64:                }
        !            65: 
        !            66:        /* find out if that was the last one */
        !            67:        if (Now.klings <= 0)
        !            68:                win();
        !            69: 
        !            70:        /* recompute time left */
        !            71:        Now.time = Now.resource / Now.klings;
        !            72:        return;
        !            73: }
        !            74: 
        !            75: 
        !            76: /*
        !            77: **  handle a starbase's death
        !            78: */
        !            79: 
        !            80: killb(qx, qy)
        !            81: int    qx, qy;
        !            82: {
        !            83:        register struct quad    *q;
        !            84:        register struct xy      *b;
        !            85: 
        !            86:        q = &Quad[qx][qy];
        !            87: 
        !            88:        if (q->bases <= 0)
        !            89:                return;
        !            90:        if (!damaged(SSRADIO))
        !            91:                /* then update starchart */
        !            92:                if (q->scanned < 1000)
        !            93:                        q->scanned -= 10;
        !            94:                else
        !            95:                        if (q->scanned > 1000)
        !            96:                                q->scanned = -1;
        !            97:        q->bases = 0;
        !            98:        Now.bases -= 1;
        !            99:        for (b = Now.base; ; b++)
        !           100:                if (qx == b->x && qy == b->y)
        !           101:                        break;
        !           102:        bmove(&Now.base[Now.bases], b, sizeof *b);
        !           103:        if (qx == Ship.quadx && qy == Ship.quady)
        !           104:        {
        !           105:                Sect[Etc.starbase.x][Etc.starbase.y] = EMPTY;
        !           106:                if (Ship.cond == DOCKED)
        !           107:                        undock();
        !           108:                printf("Starbase at %d,%d destroyed\n", Etc.starbase.x, Etc.starbase.y);
        !           109:        }
        !           110:        else
        !           111:        {
        !           112:                if (!damaged(SSRADIO))
        !           113:                {
        !           114:                        printf("Uhura: Starfleet command reports that the starbase in\n");
        !           115:                        printf("   quadrant %d,%d has been destroyed\n", qx, qy);
        !           116:                }
        !           117:                else
        !           118:                        schedule(E_KATSB | E_GHOST, 1e50, qx, qy, 0);
        !           119:        }
        !           120: }
        !           121: 
        !           122: 
        !           123: /**
        !           124:  **    kill an inhabited starsystem
        !           125:  **/
        !           126: 
        !           127: kills(x, y, f)
        !           128: int    x, y;   /* quad coords if f == 0, else sector coords */
        !           129: int    f;      /* f != 0 -- this quad;  f < 0 -- Enterprise's fault */
        !           130: {
        !           131:        register struct quad    *q;
        !           132:        register struct event   *e;
        !           133:        register char           *name;
        !           134:        char                    *systemname();
        !           135: 
        !           136:        if (f)
        !           137:        {
        !           138:                /* current quadrant */
        !           139:                q = &Quad[Ship.quadx][Ship.quady];
        !           140:                Sect[x][y] = EMPTY;
        !           141:                name = systemname(q);
        !           142:                if (name == 0)
        !           143:                        return;
        !           144:                printf("Inhabited starsystem %s at %d,%d destroyed\n",
        !           145:                        name, x, y);
        !           146:                if (f < 0)
        !           147:                        Game.killinhab += 1;
        !           148:        }
        !           149:        else
        !           150:        {
        !           151:                /* different quadrant */
        !           152:                q = &Quad[x][y];
        !           153:        }
        !           154:        if (q->qsystemname & Q_DISTRESSED)
        !           155:        {
        !           156:                /* distressed starsystem */
        !           157:                e = &Event[q->qsystemname & Q_SYSTEM];
        !           158:                printf("Distress call for %s invalidated\n",
        !           159:                        Systemname[e->systemname]);
        !           160:                unschedule(e);
        !           161:        }
        !           162:        q->qsystemname = 0;
        !           163:        q->stars -= 1;
        !           164: }
        !           165: 
        !           166: 
        !           167: /**
        !           168:  **    "kill" a distress call
        !           169:  **/
        !           170: 
        !           171: killd(x, y, f)
        !           172: int    x, y;           /* quadrant coordinates */
        !           173: int    f;              /* set if user is to be informed */
        !           174: {
        !           175:        register struct event   *e;
        !           176:        register int            i;
        !           177:        register struct quad    *q;
        !           178: 
        !           179:        q = &Quad[x][y];
        !           180:        for (i = 0; i < MAXEVENTS; i++)
        !           181:        {
        !           182:                e = &Event[i];
        !           183:                if (e->x != x || e->y != y)
        !           184:                        continue;
        !           185:                switch (e->evcode)
        !           186:                {
        !           187:                  case E_KDESB:
        !           188:                        if (f)
        !           189:                        {
        !           190:                                printf("Distress call for starbase in %d,%d nullified\n",
        !           191:                                        x, y);
        !           192:                                unschedule(e);
        !           193:                        }
        !           194:                        break;
        !           195: 
        !           196:                  case E_ENSLV:
        !           197:                  case E_REPRO:
        !           198:                        if (f)
        !           199:                        {
        !           200:                                printf("Distress call for %s in quadrant %d,%d nullified\n",
        !           201:                                        Systemname[e->systemname], x, y);
        !           202:                                q->qsystemname = e->systemname;
        !           203:                                unschedule(e);
        !           204:                        }
        !           205:                        else
        !           206:                        {
        !           207:                                e->evcode |= E_GHOST;
        !           208:                        }
        !           209:                }
        !           210:        }
        !           211: }

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