1 /* $NetBSD: game.c,v 1.10 2001/02/05 01:10:09 christos 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 #if 0 39 static char sccsid[] = "@(#)game.c 8.2 (Berkeley) 4/28/95"; 40 #else 41 __RCSID("$NetBSD: game.c,v 1.10 2001/02/05 01:10:09 christos Exp $"); 42 #endif 43 #endif /* not lint */ 44 45 #include <sys/types.h> 46 #include "extern.h" 47 48 int 49 maxturns(struct ship *ship, char *af) 50 { 51 int turns; 52 53 turns = ship->specs->ta; 54 *af = (ship->file->drift > 1 && turns); 55 if (*af != '\0') { 56 turns--; 57 if (ship->file->FS == 1) 58 turns = 0; 59 } 60 return turns; 61 } 62 63 int 64 maxmove(struct ship *ship, int dir, int fs) 65 { 66 int riggone = 0, Move, flank = 0; 67 68 Move = ship->specs->bs; 69 if (!ship->specs->rig1) 70 riggone++; 71 if (!ship->specs->rig2) 72 riggone++; 73 if (!ship->specs->rig3) 74 riggone++; 75 if (!ship->specs->rig4) 76 riggone++; 77 if ((ship->file->FS || fs) && fs != -1) { 78 flank = 1; 79 Move = ship->specs->fs; 80 } 81 if (dir == winddir) 82 Move -= 1 + WET[windspeed][ship->specs->class-1].B; 83 else if (dir == winddir + 2 || dir == winddir - 2 || dir == winddir - 6 || dir == winddir + 6) 84 Move -= 1 + WET[windspeed][ship->specs->class-1].C; 85 else if (dir == winddir + 3 || dir == winddir - 3 || dir == winddir - 5 || dir == winddir + 5) 86 Move = (flank ? 2 : 1) - WET[windspeed][ship->specs->class-1].D; 87 else if (dir == winddir + 4 || dir == winddir - 4) 88 Move = 0; 89 else 90 Move -= WET[windspeed][ship->specs->class-1].A; 91 Move -= riggone; 92 Move = Move < 0 ? 0 : Move; 93 return(Move); 94 } 95