1 /* $NetBSD: game.c,v 1.13 2009/03/14 20:04:43 dholland Exp $ */ 2 3 /* 4 * Copyright (c) 1983, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 #ifndef lint 34 #if 0 35 static char sccsid[] = "@(#)game.c 8.2 (Berkeley) 4/28/95"; 36 #else 37 __RCSID("$NetBSD: game.c,v 1.13 2009/03/14 20:04:43 dholland Exp $"); 38 #endif 39 #endif /* not lint */ 40 41 #include <sys/types.h> 42 #include <stdbool.h> 43 #include "extern.h" 44 45 int 46 maxturns(struct ship *ship, bool *af) 47 { 48 int turns; 49 50 turns = ship->specs->ta; 51 *af = (ship->file->drift > 1 && turns); 52 if (*af != false) { 53 turns--; 54 if (ship->file->FS == 1) 55 turns = 0; 56 } 57 return turns; 58 } 59 60 int 61 maxmove(struct ship *ship, int dir, int fs) 62 { 63 int riggone = 0, Move, flank = 0; 64 65 Move = ship->specs->bs; 66 if (!ship->specs->rig1) 67 riggone++; 68 if (!ship->specs->rig2) 69 riggone++; 70 if (!ship->specs->rig3) 71 riggone++; 72 if (!ship->specs->rig4) 73 riggone++; 74 if ((ship->file->FS || fs) && fs != -1) { 75 flank = 1; 76 Move = ship->specs->fs; 77 } 78 if (dir == winddir) 79 Move -= 1 + WET[windspeed][ship->specs->class-1].B; 80 else if (dir == winddir + 2 || dir == winddir - 2 || 81 dir == winddir - 6 || dir == winddir + 6) 82 Move -= 1 + WET[windspeed][ship->specs->class-1].C; 83 else if (dir == winddir + 3 || dir == winddir - 3 || 84 dir == winddir - 5 || dir == winddir + 5) 85 Move = (flank ? 2 : 1) - WET[windspeed][ship->specs->class-1].D; 86 else if (dir == winddir + 4 || dir == winddir - 4) 87 Move = 0; 88 else 89 Move -= WET[windspeed][ship->specs->class-1].A; 90 Move -= riggone; 91 Move = Move < 0 ? 0 : Move; 92 return(Move); 93 } 94