111 lines
2.0 KiB
C
111 lines
2.0 KiB
C
#ifndef lint
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static char sccsid[] = "@(#)shield.c 1.1 94/10/31 SMI"; /* from UCB 4.2 05/27/83 */
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#endif
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# include "trek.h"
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# include "getpar.h"
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/*
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** SHIELD AND CLOAKING DEVICE CONTROL
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**
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** 'f' is one for auto shield up (in case of Condition RED),
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** zero for shield control, and negative one for cloaking
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** device control.
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**
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** Called with an 'up' or 'down' on the same line, it puts
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** the shields/cloak into the specified mode. Otherwise it
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** reports to the user the current mode, and asks if she wishes
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** to change.
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**
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** This is not a free move. Hits that occur as a result of
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** this move appear as though the shields are half up/down,
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** so you get partial hits.
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*/
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struct cvntab Udtab[] =
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{
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"u", "p", (int (*)())1, 0,
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"d", "own", 0, 0,
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0
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};
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shield(f)
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int f;
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{
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register int i;
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char c;
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struct cvntab *r;
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char s[100];
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char *device, *dev2, *dev3;
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int ind;
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char *stat;
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if (f > 0 && (Ship.shldup || damaged(SRSCAN)))
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return;
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if (f < 0)
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{
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/* cloaking device */
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if (Ship.ship == QUEENE)
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return (printf("Ye Faire Queene does not have the cloaking device.\n"));
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device = "Cloaking device";
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dev2 = "is";
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ind = CLOAK;
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dev3 = "it";
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stat = &Ship.cloaked;
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}
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else
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{
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/* shields */
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device = "Shields";
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dev2 = "are";
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dev3 = "them";
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ind = SHIELD;
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stat = &Ship.shldup;
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}
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if (damaged(ind))
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{
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if (f <= 0)
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out(ind);
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return;
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}
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if (Ship.cond == DOCKED)
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{
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printf("%s %s down while docked\n", device, dev2);
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return;
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}
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if (f <= 0 && !testnl())
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{
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r = getcodpar("Up or down", Udtab);
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i = (int) r->value;
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}
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else
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{
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if (*stat)
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sprintf(s, "%s %s up. Do you want %s down", device, dev2, dev3);
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else
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sprintf(s, "%s %s down. Do you want %s up", device, dev2, dev3);
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if (!getynpar(s))
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return;
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i = !*stat;
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}
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if (*stat == i)
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{
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printf("%s already ", device);
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if (i)
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printf("up\n");
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else
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printf("down\n");
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return;
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}
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if (i)
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if (f >= 0)
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Ship.energy -= Param.shupengy;
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else
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Ship.cloakgood = 0;
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Move.free = 0;
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if (f >= 0)
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Move.shldchg = 1;
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*stat = i;
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return;
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}
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