1 /* $OpenBSD: game.c,v 1.4 2009/10/27 23:59:27 deraadt Exp $ */ 2 /* $NetBSD: game.c,v 1.3 1995/04/22 10:36:56 cgd Exp $ */ 3 4 /* 5 * Copyright (c) 1983, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 #include "extern.h" 34 35 int 36 maxturns(ship, af) 37 struct ship *ship; 38 char *af; 39 { 40 int turns; 41 42 turns = ship->specs->ta; 43 if ((*af = (ship->file->drift > 1 && turns)) != 0) { 44 turns--; 45 if (ship->file->FS == 1) 46 turns = 0; 47 } 48 return turns; 49 } 50 51 int 52 maxmove(ship, dir, fs) 53 struct ship *ship; 54 int dir, fs; 55 { 56 int riggone = 0, Move, flank = 0; 57 58 Move = ship->specs->bs; 59 if (!ship->specs->rig1) 60 riggone++; 61 if (!ship->specs->rig2) 62 riggone++; 63 if (!ship->specs->rig3) 64 riggone++; 65 if (!ship->specs->rig4) 66 riggone++; 67 if ((ship->file->FS || fs) && fs != -1) { 68 flank = 1; 69 Move = ship->specs->fs; 70 } 71 if (dir == winddir) 72 Move -= 1 + WET[windspeed][ship->specs->class-1].B; 73 else if (dir == winddir + 2 || dir == winddir - 2 || dir == winddir - 6 || dir == winddir + 6) 74 Move -= 1 + WET[windspeed][ship->specs->class-1].C; 75 else if (dir == winddir + 3 || dir == winddir - 3 || dir == winddir - 5 || dir == winddir + 5) 76 Move = (flank ? 2 : 1) - WET[windspeed][ship->specs->class-1].D; 77 else if (dir == winddir + 4 || dir == winddir - 4) 78 Move = 0; 79 else 80 Move -= WET[windspeed][ship->specs->class-1].A; 81 Move -= riggone; 82 Move = Move < 0 ? 0 : Move; 83 return(Move); 84 } 85