xref: /original-bsd/games/sail/extern.h (revision e78e7ec3)
1 /*
2  * Copyright (c) 1983 Regents of the University of California,
3  * All rights reserved.  Redistribution permitted subject to
4  * the terms of the Berkeley Software License Agreement.
5  */
6 
7 /*
8  * @(#)extern.h	2.7 85/04/23
9  */
10 
11 #include <stdio.h>
12 #include <signal.h>
13 #include <ctype.h>
14 #include <setjmp.h>
15 #include "machdep.h"
16 
17 	/* program mode */
18 int mode;
19 jmp_buf restart;
20 #define MODE_PLAYER	1
21 #define MODE_DRIVER	2
22 #define MODE_LOGGER	3
23 
24 	/* command line flags */
25 char debug;				/* -D */
26 char randomize;				/* -x, give first available ship */
27 char longfmt;				/* -l, print score in long format */
28 char nobells;				/* -b, don't ring bell before Signal */
29 
30 	/* other initial modes */
31 char issetuid;				/* running setuid */
32 
33 #define die()		((rand() >> 3) % 6 + 1)
34 #define sqr(a)		((a) * (a))
35 #define abs(a)		((a) > 0 ? (a) : -(a))
36 #define min(a,b)	((a) < (b) ? (a) : (b))
37 
38 #define grappled(a)	((a)->file->ngrap)
39 #define fouled(a)	((a)->file->nfoul)
40 #define snagged(a)	(grappled(a) + fouled(a))
41 
42 #define grappled2(a, b)	((a)->file->grap[(b)->file->index].sn_count)
43 #define fouled2(a, b)	((a)->file->foul[(b)->file->index].sn_count)
44 #define snagged2(a, b)	(grappled2(a, b) + fouled2(a, b))
45 
46 #define Xgrappled2(a, b) ((a)->file->grap[(b)->file->index].sn_turn < turn-1 ? grappled2(a, b) : 0)
47 #define Xfouled2(a, b)	((a)->file->foul[(b)->file->index].sn_turn < turn-1 ? fouled2(a, b) : 0)
48 #define Xsnagged2(a, b)	(Xgrappled2(a, b) + Xfouled2(a, b))
49 
50 #define cleangrapple(a, b, c)	Cleansnag(a, b, c, 1)
51 #define cleanfoul(a, b, c)	Cleansnag(a, b, c, 2)
52 #define cleansnag(a, b, c)	Cleansnag(a, b, c, 3)
53 
54 #define sterncolour(sp)	((sp)->file->stern+'0'-((sp)->file->captured?10:0))
55 #define sternrow(sp)	((sp)->file->row + dr[(sp)->file->dir])
56 #define sterncol(sp)	((sp)->file->col + dc[(sp)->file->dir])
57 
58 #define capship(sp)	((sp)->file->captured?(sp)->file->captured:(sp))
59 
60 #define readyname(r)	((r) & R_LOADING ? '*' : ((r) & R_INITIAL ? '!' : ' '))
61 
62 /* loadL and loadR, should match loadname[] */
63 #define L_EMPTY		0		/* should be 0, don't change */
64 #define L_GRAPE		1
65 #define L_CHAIN		2
66 #define L_ROUND		3
67 #define L_DOUBLE	4
68 #define L_EXPLODE	5
69 
70 /*
71  * readyL and readyR, these are bits, except R_EMPTY
72  */
73 #define R_EMPTY		0		/* not loaded and not loading */
74 #define R_LOADING	1		/* loading */
75 #define R_DOUBLE	2		/* loading double */
76 #define R_LOADED	4		/* loaded */
77 #define R_INITIAL	8		/* loaded initial */
78 
79 #define HULL		0
80 #define RIGGING		1
81 
82 #define W_CAPTAIN	1
83 #define W_CAPTURED	2
84 #define W_CLASS		3
85 #define W_CREW		4
86 #define W_DBP		5
87 #define W_DRIFT		6
88 #define W_EXPLODE	7
89 #define W_FILE		8
90 #define W_FOUL		9
91 #define W_GUNL		10
92 #define W_GUNR		11
93 #define W_HULL		12
94 #define W_MOVE		13
95 #define W_OBP		14
96 #define W_PCREW		15
97 #define W_UNFOUL	16
98 #define W_POINTS	17
99 #define W_QUAL		18
100 #define W_UNGRAP	19
101 #define W_RIGG		20
102 #define W_COL		21
103 #define W_DIR		22
104 #define W_ROW		23
105 #define W_SIGNAL	24
106 #define W_SINK		25
107 #define W_STRUCK	26
108 #define W_TA		27
109 #define W_ALIVE		28
110 #define W_TURN		29
111 #define W_WIND		30
112 #define W_FS		31
113 #define W_GRAP		32
114 #define W_RIG1		33
115 #define W_RIG2		34
116 #define W_RIG3		35
117 #define W_RIG4		36
118 #define W_BEGIN		37
119 #define W_END		38
120 #define W_DDEAD		39
121 
122 #define NLOG 10
123 struct logs {
124 	char l_name[20];
125 	int l_uid;
126 	int l_shipnum;
127 	int l_gamenum;
128 	int l_netpoints;
129 };
130 
131 struct BP {
132 	short turnsent;
133 	struct ship *toship;
134 	short mensent;
135 };
136 
137 struct snag {
138 	short sn_count;
139 	short sn_turn;
140 };
141 
142 #define NSCENE	nscene
143 #define NSHIP	10
144 #define NBP	3
145 
146 #define NNATION	8
147 #define N_A	0
148 #define N_B	1
149 #define N_S	2
150 #define N_F	3
151 #define N_J	4
152 #define N_D	5
153 #define N_K	6
154 #define N_O	7
155 
156 struct File {
157 	int index;
158 	char captain[20];		/* 0 */
159 	short points;			/* 20 */
160 	char loadL;			/* 22 */
161 	char loadR;			/* 24 */
162 	char readyL;			/* 26 */
163 	char readyR;			/* 28 */
164 	struct BP OBP[NBP];		/* 30 */
165 	struct BP DBP[NBP];		/* 48 */
166 	char struck;			/* 66 */
167 	struct ship *captured;		/* 68 */
168 	short pcrew;			/* 70 */
169 	char movebuf[10];		/* 72 */
170 	char drift;			/* 82 */
171 	short nfoul;
172 	short ngrap;
173 	struct snag foul[NSHIP];	/* 84 */
174 	struct snag grap[NSHIP];	/* 124 */
175 	char RH;			/* 224 */
176 	char RG;			/* 226 */
177 	char RR;			/* 228 */
178 	char FS;			/* 230 */
179 	char explode;			/* 232 */
180 	char sink;			/* 234 */
181 	char dir;
182 	short col;
183 	short row;
184 	char loadwith;
185 	char stern;
186 };
187 
188 struct ship {
189 	char *shipname;			/* 0 */
190 	struct shipspecs *specs;	/* 2 */
191 	char nationality;		/* 4 */
192 	short shiprow;			/* 6 */
193 	short shipcol;			/* 8 */
194 	char shipdir;			/* 10 */
195 	struct File *file;		/* 12 */
196 };
197 
198 struct scenario {
199 	char winddir;			/* 0 */
200 	char windspeed;			/* 2 */
201 	char windchange;		/* 4 */
202 	char vessels;			/* 12 */
203 	char *name;			/* 14 */
204 	struct ship ship[NSHIP];	/* 16 */
205 };
206 struct scenario scene[];
207 int nscene;
208 
209 struct shipspecs {
210 	char bs;
211 	char fs;
212 	char ta;
213 	short guns;
214 	char class;
215 	char hull;
216 	char qual;
217 	char crew1;
218 	char crew2;
219 	char crew3;
220 	char gunL;
221 	char gunR;
222 	char carL;
223 	char carR;
224 	char rig1;
225 	char rig2;
226 	char rig3;
227 	char rig4;
228 	short pts;
229 };
230 struct shipspecs specs[];
231 
232 struct scenario *cc;		/* the current scenario */
233 struct ship *ls;		/* &cc->ship[cc->vessels] */
234 
235 #define SHIP(s)		(&cc->ship[s])
236 #define foreachship(sp)	for ((sp) = cc->ship; (sp) < ls; (sp)++)
237 
238 struct windeffects {
239 	char A, B, C, D;
240 };
241 struct windeffects WET[7][6];
242 
243 struct Tables {
244 	char H, G, C, R;
245 };
246 struct Tables RigTable[11][6];
247 struct Tables HullTable[11][6];
248 
249 char AMMO[9][4];
250 char HDT[9][10];
251 char HDTrake[9][10];
252 char QUAL[9][5];
253 char MT[9][3];
254 
255 char *countryname[];
256 char *classname[];
257 char *directionname[];
258 char *qualname[];
259 char loadname[];
260 
261 char rangeofshot[];
262 
263 char dr[], dc[];
264 
265 int winddir;
266 int windspeed;
267 int turn;
268 int game;
269 int alive;
270 int people;
271 char hasdriver;
272 
273 char *info();
274 char *quality();
275 double arctan();
276 char *saywhat();
277 struct ship *closestenemy();
278 
279 char *calloc();
280 char *rindex();
281 char *strcpy();
282 char *strcat();
283 char *strncpy();
284 char *getenv();
285 char *gets();
286