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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[] = "@(#)game.c 5.4 (Berkeley) 6/1/90";
- #endif /* not lint */
-
- #include "externs.h"
-
- maxturns(ship, af)
- register struct ship *ship;
- char *af;
- {
- register int turns;
-
- turns = ship->specs->ta;
- if (*af = (ship->file->drift > 1 && turns)) {
- turns--;
- if (ship->file->FS == 1)
- turns = 0;
- }
- return turns;
- }
-
- maxmove(ship, dir, fs)
- register struct ship *ship;
- int dir, fs;
- {
- register int riggone = 0, Move, flank = 0;
-
- Move = ship->specs->bs;
- if (!ship->specs->rig1)
- riggone++;
- if (!ship->specs->rig2)
- riggone++;
- if (!ship->specs->rig3)
- riggone++;
- if (!ship->specs->rig4)
- riggone++;
- if ((ship->file->FS || fs) && fs != -1) {
- flank = 1;
- Move = ship->specs->fs;
- }
- if (dir == winddir)
- Move -= 1 + WET[windspeed][ship->specs->class-1].B;
- else if (dir == winddir + 2 || dir == winddir - 2 || dir == winddir - 6 || dir == winddir + 6)
- Move -= 1 + WET[windspeed][ship->specs->class-1].C;
- else if (dir == winddir + 3 || dir == winddir - 3 || dir == winddir - 5 || dir == winddir + 5)
- Move = (flank ? 2 : 1) - WET[windspeed][ship->specs->class-1].D;
- else if (dir == winddir + 4 || dir == winddir - 4)
- Move = 0;
- else
- Move -= WET[windspeed][ship->specs->class-1].A;
- Move -= riggone;
- Move = Move < 0 ? 0 : Move;
- return(Move);
- }
-