freebsd-dev/games/sail/dr_5.c

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/*
* Copyright (c) 1983, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
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#if 0
static char sccsid[] = "@(#)dr_5.c 8.1 (Berkeley) 5/31/93";
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#endif
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include "externs.h"
subtract(from, totalfrom, crewfrom, fromcap, pcfrom)
struct ship *from, *fromcap;
int pcfrom;
int totalfrom, crewfrom[3];
{
int n;
if (fromcap == from && totalfrom) { /* if not captured */
for (n = 0; n < 3; n++) {
if (totalfrom > crewfrom[n]) {
totalfrom -= crewfrom[n];
crewfrom[n] = 0;
} else {
crewfrom[n] -= totalfrom;
totalfrom = 0;
}
}
Write(W_CREW, from, 0, crewfrom[0], crewfrom[1], crewfrom[2], 0);
} else if (totalfrom) {
pcfrom -= totalfrom;
pcfrom = pcfrom < 0 ? 0 : pcfrom;
Write(W_PCREW, from, 0, pcfrom, 0, 0, 0);
}
}
mensent(from, to, crew, captured, pc, isdefense)
struct ship *from, *to, **captured;
int crew[3], *pc;
char isdefense;
{ /* returns # of crew squares sent */
int men = 0;
int n;
int c1, c2, c3;
struct BP *bp;
*pc = from->file->pcrew;
*captured = from->file->captured;
crew[0] = from->specs->crew1;
crew[1] = from->specs->crew2;
crew[2] = from->specs->crew3;
bp = isdefense ? from->file->DBP : from->file->OBP;
for (n=0; n < NBP; n++, bp++) {
if (bp->turnsent && bp->toship == to)
men += bp->mensent;
}
if (men) {
c1 = men/100 ? crew[0] : 0;
c2 = (men%100)/10 ? crew[1] : 0;
c3 = men/10 ? crew[2] : 0;
c3 = *captured == 0 ? crew[2] : *pc;
} else
c1 = c2 = c3 = 0;
return(c1 + c2 + c3);
}