1 /* 2 * Copyright (c) 1983 Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms are permitted 6 * provided that the above copyright notice and this paragraph are 7 * duplicated in all such forms and that any documentation, 8 * advertising materials, and other materials related to such 9 * distribution and use acknowledge that the software was developed 10 * by the University of California, Berkeley. The name of the 11 * University may not be used to endorse or promote products derived 12 * from this software without specific prior written permission. 13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 14 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 15 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 16 */ 17 18 #ifndef lint 19 static char sccsid[] = "@(#)game.c 5.3 (Berkeley) 06/18/88"; 20 #endif /* not lint */ 21 22 #include "externs.h" 23 24 maxturns(ship, af) 25 register struct ship *ship; 26 char *af; 27 { 28 register int turns; 29 30 turns = ship->specs->ta; 31 if (*af = (ship->file->drift > 1 && turns)) { 32 turns--; 33 if (ship->file->FS == 1) 34 turns = 0; 35 } 36 return turns; 37 } 38 39 maxmove(ship, dir, fs) 40 register struct ship *ship; 41 int dir, fs; 42 { 43 register int riggone = 0, Move, flank = 0; 44 45 Move = ship->specs->bs; 46 if (!ship->specs->rig1) 47 riggone++; 48 if (!ship->specs->rig2) 49 riggone++; 50 if (!ship->specs->rig3) 51 riggone++; 52 if (!ship->specs->rig4) 53 riggone++; 54 if ((ship->file->FS || fs) && fs != -1) { 55 flank = 1; 56 Move = ship->specs->fs; 57 } 58 if (dir == winddir) 59 Move -= 1 + WET[windspeed][ship->specs->class-1].B; 60 else if (dir == winddir + 2 || dir == winddir - 2 || dir == winddir - 6 || dir == winddir + 6) 61 Move -= 1 + WET[windspeed][ship->specs->class-1].C; 62 else if (dir == winddir + 3 || dir == winddir - 3 || dir == winddir - 5 || dir == winddir + 5) 63 Move = (flank ? 2 : 1) - WET[windspeed][ship->specs->class-1].D; 64 else if (dir == winddir + 4 || dir == winddir - 4) 65 Move = 0; 66 else 67 Move -= WET[windspeed][ship->specs->class-1].A; 68 Move -= riggone; 69 Move = Move < 0 ? 0 : Move; 70 return(Move); 71 } 72