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- /*
- * Copyright (c) 1983 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
- static char sccsid[] = "@(#)dr_5.c 5.4 (Berkeley) 6/1/90";
- #endif /* not lint */
-
- #include "externs.h"
-
- subtract(from, totalfrom, crewfrom, fromcap, pcfrom)
- struct ship *from, *fromcap;
- int pcfrom;
- register int totalfrom, crewfrom[3];
- {
- register 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;
- register int n;
- int c1, c2, c3;
- register 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);
- }
-