1 /* $OpenBSD: game.c,v 1.5 2016/01/08 20:26:33 mestre 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(struct ship *ship, char *af) 37 { 38 int turns; 39 40 turns = ship->specs->ta; 41 if ((*af = (ship->file->drift > 1 && turns)) != 0) { 42 turns--; 43 if (ship->file->FS == 1) 44 turns = 0; 45 } 46 return turns; 47 } 48 49 int 50 maxmove(struct ship *ship, int dir, int fs) 51 { 52 int riggone = 0, Move, flank = 0; 53 54 Move = ship->specs->bs; 55 if (!ship->specs->rig1) 56 riggone++; 57 if (!ship->specs->rig2) 58 riggone++; 59 if (!ship->specs->rig3) 60 riggone++; 61 if (!ship->specs->rig4) 62 riggone++; 63 if ((ship->file->FS || fs) && fs != -1) { 64 flank = 1; 65 Move = ship->specs->fs; 66 } 67 if (dir == winddir) 68 Move -= 1 + WET[windspeed][ship->specs->class-1].B; 69 else if (dir == winddir + 2 || dir == winddir - 2 || dir == winddir - 6 || dir == winddir + 6) 70 Move -= 1 + WET[windspeed][ship->specs->class-1].C; 71 else if (dir == winddir + 3 || dir == winddir - 3 || dir == winddir - 5 || dir == winddir + 5) 72 Move = (flank ? 2 : 1) - WET[windspeed][ship->specs->class-1].D; 73 else if (dir == winddir + 4 || dir == winddir - 4) 74 Move = 0; 75 else 76 Move -= WET[windspeed][ship->specs->class-1].A; 77 Move -= riggone; 78 Move = Move < 0 ? 0 : Move; 79 return(Move); 80 } 81