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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 | * @(#)externs.h 5.4 (Berkeley) 6/1/90 | |
34 | */ | |
35 | ||
36 | #include <stdio.h> | |
37 | #include <signal.h> | |
38 | #include <ctype.h> | |
39 | #include <setjmp.h> | |
40 | #include "machdep.h" | |
41 | ||
42 | /* program mode */ | |
43 | int mode; | |
44 | jmp_buf restart; | |
45 | #define MODE_PLAYER 1 | |
46 | #define MODE_DRIVER 2 | |
47 | #define MODE_LOGGER 3 | |
48 | ||
49 | /* command line flags */ | |
50 | char debug; /* -D */ | |
51 | char randomize; /* -x, give first available ship */ | |
52 | char longfmt; /* -l, print score in long format */ | |
53 | char nobells; /* -b, don't ring bell before Signal */ | |
54 | ||
55 | /* other initial modes */ | |
56 | char issetuid; /* running setuid */ | |
57 | ||
58 | #define die() ((rand() >> 3) % 6 + 1) | |
59 | #define sqr(a) ((a) * (a)) | |
60 | #define abs(a) ((a) > 0 ? (a) : -(a)) | |
61 | #define min(a,b) ((a) < (b) ? (a) : (b)) | |
62 | ||
63 | #define grappled(a) ((a)->file->ngrap) | |
64 | #define fouled(a) ((a)->file->nfoul) | |
65 | #define snagged(a) (grappled(a) + fouled(a)) | |
66 | ||
67 | #define grappled2(a, b) ((a)->file->grap[(b)->file->index].sn_count) | |
68 | #define fouled2(a, b) ((a)->file->foul[(b)->file->index].sn_count) | |
69 | #define snagged2(a, b) (grappled2(a, b) + fouled2(a, b)) | |
70 | ||
71 | #define Xgrappled2(a, b) ((a)->file->grap[(b)->file->index].sn_turn < turn-1 ? grappled2(a, b) : 0) | |
72 | #define Xfouled2(a, b) ((a)->file->foul[(b)->file->index].sn_turn < turn-1 ? fouled2(a, b) : 0) | |
73 | #define Xsnagged2(a, b) (Xgrappled2(a, b) + Xfouled2(a, b)) | |
74 | ||
75 | #define cleangrapple(a, b, c) Cleansnag(a, b, c, 1) | |
76 | #define cleanfoul(a, b, c) Cleansnag(a, b, c, 2) | |
77 | #define cleansnag(a, b, c) Cleansnag(a, b, c, 3) | |
78 | ||
79 | #define sterncolour(sp) ((sp)->file->stern+'0'-((sp)->file->captured?10:0)) | |
80 | #define sternrow(sp) ((sp)->file->row + dr[(sp)->file->dir]) | |
81 | #define sterncol(sp) ((sp)->file->col + dc[(sp)->file->dir]) | |
82 | ||
83 | #define capship(sp) ((sp)->file->captured?(sp)->file->captured:(sp)) | |
84 | ||
85 | #define readyname(r) ((r) & R_LOADING ? '*' : ((r) & R_INITIAL ? '!' : ' ')) | |
86 | ||
87 | /* loadL and loadR, should match loadname[] */ | |
88 | #define L_EMPTY 0 /* should be 0, don't change */ | |
89 | #define L_GRAPE 1 | |
90 | #define L_CHAIN 2 | |
91 | #define L_ROUND 3 | |
92 | #define L_DOUBLE 4 | |
93 | #define L_EXPLODE 5 | |
94 | ||
95 | /* | |
96 | * readyL and readyR, these are bits, except R_EMPTY | |
97 | */ | |
98 | #define R_EMPTY 0 /* not loaded and not loading */ | |
99 | #define R_LOADING 1 /* loading */ | |
100 | #define R_DOUBLE 2 /* loading double */ | |
101 | #define R_LOADED 4 /* loaded */ | |
102 | #define R_INITIAL 8 /* loaded initial */ | |
103 | ||
104 | #define HULL 0 | |
105 | #define RIGGING 1 | |
106 | ||
107 | #define W_CAPTAIN 1 | |
108 | #define W_CAPTURED 2 | |
109 | #define W_CLASS 3 | |
110 | #define W_CREW 4 | |
111 | #define W_DBP 5 | |
112 | #define W_DRIFT 6 | |
113 | #define W_EXPLODE 7 | |
114 | #define W_FILE 8 | |
115 | #define W_FOUL 9 | |
116 | #define W_GUNL 10 | |
117 | #define W_GUNR 11 | |
118 | #define W_HULL 12 | |
119 | #define W_MOVE 13 | |
120 | #define W_OBP 14 | |
121 | #define W_PCREW 15 | |
122 | #define W_UNFOUL 16 | |
123 | #define W_POINTS 17 | |
124 | #define W_QUAL 18 | |
125 | #define W_UNGRAP 19 | |
126 | #define W_RIGG 20 | |
127 | #define W_COL 21 | |
128 | #define W_DIR 22 | |
129 | #define W_ROW 23 | |
130 | #define W_SIGNAL 24 | |
131 | #define W_SINK 25 | |
132 | #define W_STRUCK 26 | |
133 | #define W_TA 27 | |
134 | #define W_ALIVE 28 | |
135 | #define W_TURN 29 | |
136 | #define W_WIND 30 | |
137 | #define W_FS 31 | |
138 | #define W_GRAP 32 | |
139 | #define W_RIG1 33 | |
140 | #define W_RIG2 34 | |
141 | #define W_RIG3 35 | |
142 | #define W_RIG4 36 | |
143 | #define W_BEGIN 37 | |
144 | #define W_END 38 | |
145 | #define W_DDEAD 39 | |
146 | ||
147 | #define NLOG 10 | |
148 | struct logs { | |
149 | char l_name[20]; | |
150 | int l_uid; | |
151 | int l_shipnum; | |
152 | int l_gamenum; | |
153 | int l_netpoints; | |
154 | }; | |
155 | ||
156 | struct BP { | |
157 | short turnsent; | |
158 | struct ship *toship; | |
159 | short mensent; | |
160 | }; | |
161 | ||
162 | struct snag { | |
163 | short sn_count; | |
164 | short sn_turn; | |
165 | }; | |
166 | ||
167 | #define NSCENE nscene | |
168 | #define NSHIP 10 | |
169 | #define NBP 3 | |
170 | ||
171 | #define NNATION 8 | |
172 | #define N_A 0 | |
173 | #define N_B 1 | |
174 | #define N_S 2 | |
175 | #define N_F 3 | |
176 | #define N_J 4 | |
177 | #define N_D 5 | |
178 | #define N_K 6 | |
179 | #define N_O 7 | |
180 | ||
181 | struct File { | |
182 | int index; | |
183 | char captain[20]; /* 0 */ | |
184 | short points; /* 20 */ | |
185 | char loadL; /* 22 */ | |
186 | char loadR; /* 24 */ | |
187 | char readyL; /* 26 */ | |
188 | char readyR; /* 28 */ | |
189 | struct BP OBP[NBP]; /* 30 */ | |
190 | struct BP DBP[NBP]; /* 48 */ | |
191 | char struck; /* 66 */ | |
192 | struct ship *captured; /* 68 */ | |
193 | short pcrew; /* 70 */ | |
194 | char movebuf[10]; /* 72 */ | |
195 | char drift; /* 82 */ | |
196 | short nfoul; | |
197 | short ngrap; | |
198 | struct snag foul[NSHIP]; /* 84 */ | |
199 | struct snag grap[NSHIP]; /* 124 */ | |
200 | char RH; /* 224 */ | |
201 | char RG; /* 226 */ | |
202 | char RR; /* 228 */ | |
203 | char FS; /* 230 */ | |
204 | char explode; /* 232 */ | |
205 | char sink; /* 234 */ | |
206 | char dir; | |
207 | short col; | |
208 | short row; | |
209 | char loadwith; | |
210 | char stern; | |
211 | }; | |
212 | ||
213 | struct ship { | |
214 | char *shipname; /* 0 */ | |
215 | struct shipspecs *specs; /* 2 */ | |
216 | char nationality; /* 4 */ | |
217 | short shiprow; /* 6 */ | |
218 | short shipcol; /* 8 */ | |
219 | char shipdir; /* 10 */ | |
220 | struct File *file; /* 12 */ | |
221 | }; | |
222 | ||
223 | struct scenario { | |
224 | char winddir; /* 0 */ | |
225 | char windspeed; /* 2 */ | |
226 | char windchange; /* 4 */ | |
227 | char vessels; /* 12 */ | |
228 | char *name; /* 14 */ | |
229 | struct ship ship[NSHIP]; /* 16 */ | |
230 | }; | |
231 | struct scenario scene[]; | |
232 | int nscene; | |
233 | ||
234 | struct shipspecs { | |
235 | char bs; | |
236 | char fs; | |
237 | char ta; | |
238 | short guns; | |
239 | char class; | |
240 | char hull; | |
241 | char qual; | |
242 | char crew1; | |
243 | char crew2; | |
244 | char crew3; | |
245 | char gunL; | |
246 | char gunR; | |
247 | char carL; | |
248 | char carR; | |
249 | char rig1; | |
250 | char rig2; | |
251 | char rig3; | |
252 | char rig4; | |
253 | short pts; | |
254 | }; | |
255 | struct shipspecs specs[]; | |
256 | ||
257 | struct scenario *cc; /* the current scenario */ | |
258 | struct ship *ls; /* &cc->ship[cc->vessels] */ | |
259 | ||
260 | #define SHIP(s) (&cc->ship[s]) | |
261 | #define foreachship(sp) for ((sp) = cc->ship; (sp) < ls; (sp)++) | |
262 | ||
263 | struct windeffects { | |
264 | char A, B, C, D; | |
265 | }; | |
266 | struct windeffects WET[7][6]; | |
267 | ||
268 | struct Tables { | |
269 | char H, G, C, R; | |
270 | }; | |
271 | struct Tables RigTable[11][6]; | |
272 | struct Tables HullTable[11][6]; | |
273 | ||
274 | char AMMO[9][4]; | |
275 | char HDT[9][10]; | |
276 | char HDTrake[9][10]; | |
277 | char QUAL[9][5]; | |
278 | char MT[9][3]; | |
279 | ||
280 | char *countryname[]; | |
281 | char *classname[]; | |
282 | char *directionname[]; | |
283 | char *qualname[]; | |
284 | char loadname[]; | |
285 | ||
286 | char rangeofshot[]; | |
287 | ||
288 | char dr[], dc[]; | |
289 | ||
290 | int winddir; | |
291 | int windspeed; | |
292 | int turn; | |
293 | int game; | |
294 | int alive; | |
295 | int people; | |
296 | char hasdriver; | |
297 | ||
298 | char *info(); | |
299 | char *quality(); | |
300 | double arctan(); | |
301 | char *saywhat(); | |
302 | struct ship *closestenemy(); | |
303 | ||
304 | char *calloc(); | |
305 | char *rindex(); | |
306 | char *strcpy(); | |
307 | char *strcat(); | |
308 | char *strncpy(); | |
309 | char *getenv(); | |
310 | char *gets(); |