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15637ed4 RG |
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, with or without | |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
8 | * 1. Redistributions of source code must retain the above copyright | |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * 2. Redistributions in binary form must reproduce the above copyright | |
11 | * notice, this list of conditions and the following disclaimer in the | |
12 | * documentation and/or other materials provided with the distribution. | |
13 | * 3. All advertising materials mentioning features or use of this software | |
14 | * must display the following acknowledgement: | |
15 | * This product includes software developed by the University of | |
16 | * California, Berkeley and its contributors. | |
17 | * 4. Neither the name of the University nor the names of its contributors | |
18 | * may be used to endorse or promote products derived from this software | |
19 | * without specific prior written permission. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
31 | * SUCH DAMAGE. | |
32 | */ | |
33 | ||
34 | #ifndef lint | |
35 | static char sccsid[] = "@(#)game.c 5.4 (Berkeley) 6/1/90"; | |
36 | #endif /* not lint */ | |
37 | ||
38 | #include "externs.h" | |
39 | ||
40 | maxturns(ship, af) | |
41 | register struct ship *ship; | |
42 | char *af; | |
43 | { | |
44 | register int turns; | |
45 | ||
46 | turns = ship->specs->ta; | |
47 | if (*af = (ship->file->drift > 1 && turns)) { | |
48 | turns--; | |
49 | if (ship->file->FS == 1) | |
50 | turns = 0; | |
51 | } | |
52 | return turns; | |
53 | } | |
54 | ||
55 | maxmove(ship, dir, fs) | |
56 | register struct ship *ship; | |
57 | int dir, fs; | |
58 | { | |
59 | register int riggone = 0, Move, flank = 0; | |
60 | ||
61 | Move = ship->specs->bs; | |
62 | if (!ship->specs->rig1) | |
63 | riggone++; | |
64 | if (!ship->specs->rig2) | |
65 | riggone++; | |
66 | if (!ship->specs->rig3) | |
67 | riggone++; | |
68 | if (!ship->specs->rig4) | |
69 | riggone++; | |
70 | if ((ship->file->FS || fs) && fs != -1) { | |
71 | flank = 1; | |
72 | Move = ship->specs->fs; | |
73 | } | |
74 | if (dir == winddir) | |
75 | Move -= 1 + WET[windspeed][ship->specs->class-1].B; | |
76 | else if (dir == winddir + 2 || dir == winddir - 2 || dir == winddir - 6 || dir == winddir + 6) | |
77 | Move -= 1 + WET[windspeed][ship->specs->class-1].C; | |
78 | else if (dir == winddir + 3 || dir == winddir - 3 || dir == winddir - 5 || dir == winddir + 5) | |
79 | Move = (flank ? 2 : 1) - WET[windspeed][ship->specs->class-1].D; | |
80 | else if (dir == winddir + 4 || dir == winddir - 4) | |
81 | Move = 0; | |
82 | else | |
83 | Move -= WET[windspeed][ship->specs->class-1].A; | |
84 | Move -= riggone; | |
85 | Move = Move < 0 ? 0 : Move; | |
86 | return(Move); | |
87 | } |