1 /* 2 * Copyright (c) 1983, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)game.c 8.1 (Berkeley) 5/31/93 34 * $FreeBSD: src/games/sail/game.c,v 1.5 1999/11/30 03:49:33 billf Exp $ 35 * $DragonFly: src/games/sail/game.c,v 1.2 2003/06/17 04:25:25 dillon Exp $ 36 */ 37 38 #include "externs.h" 39 40 maxturns(ship, af) 41 struct ship *ship; 42 char *af; 43 { 44 int turns; 45 46 turns = ship->specs->ta; 47 if (*af = (ship->file->drift > 1 && turns)) { 48 turns--; 49 if (ship->file->FS == 1) 50 turns = 0; 51 } 52 return turns; 53 } 54 55 maxmove(ship, dir, fs) 56 struct ship *ship; 57 int dir, fs; 58 { 59 int riggone = 0, Move, flank = 0; 60 61 Move = ship->specs->bs; 62 if (!ship->specs->rig1) 63 riggone++; 64 if (!ship->specs->rig2) 65 riggone++; 66 if (!ship->specs->rig3) 67 riggone++; 68 if (!ship->specs->rig4) 69 riggone++; 70 if ((ship->file->FS || fs) && fs != -1) { 71 flank = 1; 72 Move = ship->specs->fs; 73 } 74 if (dir == winddir) 75 Move -= 1 + WET[windspeed][ship->specs->class-1].B; 76 else if (dir == winddir + 2 || dir == winddir - 2 || dir == winddir - 6 || dir == winddir + 6) 77 Move -= 1 + WET[windspeed][ship->specs->class-1].C; 78 else if (dir == winddir + 3 || dir == winddir - 3 || dir == winddir - 5 || dir == winddir + 5) 79 Move = (flank ? 2 : 1) - WET[windspeed][ship->specs->class-1].D; 80 else if (dir == winddir + 4 || dir == winddir - 4) 81 Move = 0; 82 else 83 Move -= WET[windspeed][ship->specs->class-1].A; 84 Move -= riggone; 85 Move = Move < 0 ? 0 : Move; 86 return(Move); 87 } 88