Commit | Line | Data |
---|---|---|
b860dc81 | 1 | #ifndef lint |
2fb1fc86 | 2 | static char *sccsid = "@(#)dr_3.c 2.2 83/11/01"; |
b860dc81 | 3 | #endif |
b860dc81 | 4 | |
b3a57661 | 5 | #include "driver.h" |
b860dc81 CL |
6 | |
7 | moveall() /* move all comp ships */ | |
8 | { | |
b3a57661 EW |
9 | register struct ship *sp, *sq; /* r11, r10 */ |
10 | register int n; /* r9 */ | |
11 | struct ship *closest; | |
12 | register int k, l, m, ma; /* r8, r7, r6, */ | |
6c17b19a EW |
13 | int ta; |
14 | char af; | |
b3a57661 EW |
15 | int row[NSHIP], col[NSHIP], dir[NSHIP], r1, r2, c1, c2, d1, d2; |
16 | char clast[NSHIP][sizeof SHIP(0)->file->last]; | |
b860dc81 | 17 | |
b3a57661 EW |
18 | /* |
19 | * first try to create moves for OUR ships | |
20 | */ | |
21 | foreachship(sp) { | |
6c17b19a | 22 | if (sp->file->captain[0] || sp->file->dir == 0) |
b3a57661 EW |
23 | continue; |
24 | if (!sp->file->struck && windspeed && !snagged(sp) | |
25 | && sp->specs->crew3) { | |
6c17b19a | 26 | ta = maxturns(sp, &af); |
b3a57661 EW |
27 | ma = maxmove(sp, sp->file->dir, 0); |
28 | closest = closestenemy(sp, 0, 0); | |
29 | if (closest == 0) | |
30 | *sp->file->last = '\0'; | |
b860dc81 | 31 | else |
b3a57661 EW |
32 | closeon(sp, closest, sp->file->last, |
33 | ta, ma, af); | |
34 | } else | |
35 | *sp->file->last = '\0'; | |
759267e0 EW |
36 | /* |
37 | makesignal(sp, "move (%d): %s", 0, turn, sp->file->last); | |
38 | */ | |
b860dc81 | 39 | } |
b3a57661 EW |
40 | /* |
41 | * Then execute the moves for ALL ships (dead ones too), | |
42 | * saving old positions in row[], col[], dir[], | |
43 | * and the moves in clase[][]. | |
44 | * The new positions are written out. | |
45 | */ | |
46 | n = 0; | |
47 | foreachship(sp) { | |
48 | if (snagged(sp)) | |
b860dc81 | 49 | clast[n][0] = '\0'; |
b3a57661 EW |
50 | else |
51 | (void) strcpy(clast[n], sp->file->last); | |
52 | row[n] = sp->file->row; | |
53 | col[n] = sp->file->col; | |
54 | dir[n] = sp->file->dir; | |
55 | moveship(sp, clast[n]); | |
56 | n++; | |
b860dc81 | 57 | } |
b3a57661 EW |
58 | /* |
59 | * Now resolve collisions. | |
60 | * This is the tough part. | |
61 | */ | |
62 | for (k = 0; stillmoving(clast, k); k++) { | |
63 | /* | |
64 | * Step once. | |
65 | * And propagate the nulls at the end of clast[]. | |
66 | */ | |
67 | n = 0; | |
68 | foreachship(sp) { | |
b860dc81 | 69 | if (dir[n]) |
b3a57661 | 70 | step(clast[n][k], sp, row+n, col+n, dir+n); |
b860dc81 CL |
71 | if (!clast[n][k]) |
72 | clast[n][k+1] = '\0'; | |
b3a57661 | 73 | n++; |
b860dc81 | 74 | } |
b3a57661 EW |
75 | /* |
76 | * The real stuff. | |
77 | */ | |
78 | n = 0; | |
79 | foreachship(sp) { | |
80 | if ((d1 = sp->file->dir) == 0 || isolated(sp)) | |
759267e0 | 81 | goto cont1; |
b3a57661 EW |
82 | r1 = sp->file->row; |
83 | c1 = sp->file->col; | |
84 | sp->file->dir = dir[n]; | |
85 | sp->file->row = row[n]; | |
86 | sp->file->col = col[n]; | |
87 | l = 0; | |
88 | foreachship(sq) { | |
759267e0 EW |
89 | if (sp == sq) |
90 | goto cont2; | |
91 | if ((d2 = sq->file->dir) == 0) | |
92 | goto cont2; | |
b3a57661 EW |
93 | r2 = sq->file->row; |
94 | c2 = sq->file->col; | |
95 | sq->file->dir = dir[l]; | |
96 | sq->file->row = row[l]; | |
97 | sq->file->col = col[l]; | |
759267e0 | 98 | if (snagged2(sp, sq) |
b3a57661 EW |
99 | && push(sp, sq) && range(sp, sq) > 1) { |
100 | Write(W_SHIPROW, sq, 0, | |
101 | sp->file->row - 1, 0, 0, 0); | |
102 | if (sp->file->dir == 1 | |
2fb1fc86 | 103 | || sp->file->dir == 5) |
b3a57661 EW |
104 | Write(W_SHIPCOL, sq, 0, |
105 | sp->file->col - 1, | |
106 | 0, 0, 0); | |
107 | else | |
108 | Write(W_SHIPCOL, sq, 0, | |
109 | sp->file->col, 0, 0, 0); | |
110 | Write(W_SHIPDIR, sq, 0, | |
111 | sp->file->dir, 0, 0, 0); | |
112 | } | |
113 | if (!range(sp, sq) && !fouled2(sp, sq) | |
114 | && push(sp, sq)) { | |
115 | makesignal(sp, | |
116 | "collision with %s (%c%c)", sq); | |
117 | if (die() < 4) { | |
118 | makesignal(sp, | |
119 | "fouled with %s (%c%c)", | |
120 | sq); | |
121 | for (m = 0; m < NSHIP && sp->file->fouls[m].turnfoul; m++) | |
122 | ; | |
123 | if (m < NSHIP) | |
124 | Write(W_FOUL, sp, 0, | |
125 | m, turn, l, 0); | |
126 | for (m = 0; m < NSHIP && sq->file->fouls[m].turnfoul; m++) | |
127 | ; | |
128 | if (m < NSHIP) | |
129 | Write(W_FOUL, sq, 0, | |
130 | m, turn, n, 0); | |
b860dc81 | 131 | } |
b3a57661 EW |
132 | clast[n][k+1] = '\0'; |
133 | sp->file->row = r2; | |
134 | sp->file->col = c2; | |
135 | sp->file->dir = d2; | |
136 | moveship(sp, clast[n]); | |
137 | Write(W_SHIPROW, sq, 0, | |
138 | sp->file->row-1, 0, 0, 0); | |
139 | if (sp->file->dir == 1 | |
140 | || sp->file->dir == 5) | |
141 | Write(W_SHIPCOL, sq, 0, | |
142 | sp->file->col-1, 0, 0, 0); | |
143 | else | |
144 | Write(W_SHIPCOL, sq, 0, | |
145 | sp->file->col, 0, 0, 0); | |
146 | Write(W_SHIPDIR, sq, 0, | |
147 | sp->file->dir, 0, 0, 0); | |
148 | Write(W_DRIFT, sq, 0, 0, 0, 0, 0); | |
149 | Write(W_DRIFT, sp, 0, 0, 0, 0, 0); | |
759267e0 | 150 | goto cont2; |
b860dc81 | 151 | } |
759267e0 EW |
152 | sq->file->row = r2; |
153 | sq->file->col = c2; | |
154 | sq->file->dir = d2; | |
155 | cont2: | |
b3a57661 | 156 | l++; |
b860dc81 | 157 | } |
b3a57661 EW |
158 | sp->file->row = r1; |
159 | sp->file->col = c1; | |
160 | sp->file->dir = d1; | |
759267e0 | 161 | cont1: |
b3a57661 | 162 | n++; |
b860dc81 CL |
163 | } |
164 | } | |
b3a57661 EW |
165 | /* |
166 | * Clear old moves. | |
167 | */ | |
168 | foreachship(sp) | |
169 | sp->file->last[0] = 0; | |
b860dc81 CL |
170 | } |
171 | ||
172 | stillmoving(last, k) | |
b3a57661 | 173 | char last[][sizeof SHIP(0)->file->last]; /* how's that for portability */ |
b860dc81 CL |
174 | register int k; |
175 | { | |
b3a57661 EW |
176 | register struct ship *sp; |
177 | register char (*p)[sizeof *last]; /* and this? */ | |
b860dc81 | 178 | |
b3a57661 EW |
179 | p = last; |
180 | foreachship(sp) { | |
181 | if ((*p)[k]) | |
182 | return 1; | |
183 | p++; | |
184 | } | |
185 | return 0; | |
b860dc81 CL |
186 | } |
187 | ||
188 | isolated(ship) | |
b3a57661 | 189 | register struct ship *ship; |
b860dc81 | 190 | { |
b3a57661 | 191 | register struct ship *sp; |
b860dc81 | 192 | |
b3a57661 EW |
193 | foreachship(sp) { |
194 | if (ship != sp && range(ship, sp) <= 10) | |
195 | return 0; | |
196 | } | |
197 | return 1; | |
b860dc81 CL |
198 | } |
199 | ||
200 | push(from, to) | |
b3a57661 | 201 | register struct ship *from, *to; |
b860dc81 | 202 | { |
b860dc81 CL |
203 | register int bs, sb; |
204 | ||
b3a57661 EW |
205 | sb = to->specs->class; |
206 | bs = from->specs->class; | |
207 | if (sb > bs) | |
208 | return 1; | |
b860dc81 | 209 | if (sb < bs) |
b3a57661 EW |
210 | return 0; |
211 | return from < to; | |
b860dc81 CL |
212 | } |
213 | ||
b3a57661 EW |
214 | step(com, ship, row, col, dir) |
215 | register struct ship *ship; | |
216 | register int *row, *col, *dir; | |
b860dc81 CL |
217 | char com; |
218 | { | |
b860dc81 CL |
219 | register int dist; |
220 | ||
b3a57661 EW |
221 | switch (com) { |
222 | case 'r': | |
223 | if (++*dir == 9) | |
224 | *dir = 1; | |
225 | break; | |
226 | case 'l': | |
227 | if (--*dir == 0) | |
228 | *dir = 8; | |
229 | break; | |
230 | case '0': case '1': case '2': case '3': | |
231 | case '4': case '5': case '6': case '7': | |
232 | if (*dir % 2 == 0) | |
233 | dist = dtab[com - '0']; | |
234 | else | |
235 | dist = com - '0'; | |
236 | *row -= dr[*dir] * dist; | |
237 | *col -= dc[*dir] * dist; | |
238 | break; | |
239 | case 'b': | |
240 | break; | |
241 | case 'd': | |
242 | if (ship->specs->class >= 3 && !snagged(ship) | |
243 | || turn % 2 == 0) { | |
244 | *row -= dr[winddir]; | |
245 | *col -= dc[winddir]; | |
246 | } | |
247 | break; | |
b860dc81 CL |
248 | } |
249 | } | |
250 | ||
b3a57661 EW |
251 | sendbp(from, to, sections, isdefense) |
252 | register struct ship *from, *to; | |
253 | int sections; | |
254 | char isdefense; | |
b860dc81 CL |
255 | { |
256 | int n; | |
b3a57661 | 257 | register struct BP *bp; |
b860dc81 | 258 | |
b3a57661 EW |
259 | bp = isdefense ? from->file->DBP : from->file->OBP; |
260 | for (n = 0; n < 3 && bp[n].turnsent; n++) | |
261 | ; | |
262 | if (n < 3 && sections) { | |
263 | Write(isdefense ? W_DBP : W_OBP, from, 0, | |
264 | turn, to-SHIP(0), sections, 0); | |
265 | if (isdefense) | |
266 | makesignal(from, "repelling boarders", | |
267 | (struct ship *)0); | |
b860dc81 | 268 | else |
b3a57661 | 269 | makesignal(from, "boarding the %s (%c%c)", to); |
b860dc81 CL |
270 | } |
271 | } | |
272 | ||
b3a57661 EW |
273 | toughmelee(ship, to, isdefense, count) |
274 | register struct ship *ship, *to; | |
275 | int isdefense, count; | |
b860dc81 | 276 | { |
b3a57661 EW |
277 | register struct BP *bp; |
278 | register obp = 0; | |
279 | int n, OBP = 0, DBP = 0, dbp = 0; | |
b860dc81 | 280 | int qual; |
b860dc81 | 281 | |
b3a57661 EW |
282 | qual = ship->specs->qual; |
283 | bp = isdefense ? ship->file->DBP : ship->file->OBP; | |
284 | for (n = 0; n < NBP; n++, bp++) { | |
285 | if (bp->turnsent && (to == bp->toship || isdefense)) { | |
286 | obp += bp->mensent / 100 | |
287 | ? ship->specs->crew1 * qual : 0; | |
288 | obp += (bp->mensent % 100)/10 | |
289 | ? ship->specs->crew2 * qual : 0; | |
290 | obp += bp->mensent % 10 | |
291 | ? ship->specs->crew3 * qual : 0; | |
b860dc81 CL |
292 | } |
293 | } | |
b3a57661 EW |
294 | if (count || isdefense) |
295 | return obp; | |
296 | OBP = toughmelee(to, ship, 0, count + 1); | |
297 | dbp = toughmelee(ship, to, 1, count + 1); | |
298 | DBP = toughmelee(to, ship, 1, count + 1); | |
b860dc81 | 299 | if (OBP > obp + 10 || OBP + DBP >= obp + dbp + 10) |
b3a57661 | 300 | return 1; |
b860dc81 | 301 | else |
b3a57661 | 302 | return 0; |
b860dc81 CL |
303 | } |
304 | ||
305 | reload() | |
306 | { | |
b3a57661 | 307 | register struct ship *sp; |
b860dc81 | 308 | |
b3a57661 EW |
309 | foreachship(sp) { |
310 | sp->file->loadwith = 0; | |
311 | } | |
b860dc81 CL |
312 | } |
313 | ||
314 | checksails() | |
315 | { | |
b3a57661 EW |
316 | register struct ship *sp; |
317 | register int rig, full; | |
318 | struct ship *close; | |
b860dc81 | 319 | |
b3a57661 EW |
320 | foreachship(sp) { |
321 | if (sp->file->captain[0] != 0) | |
322 | continue; | |
323 | rig = sp->specs->rig1; | |
324 | if (windspeed == 6 || windspeed == 5 && sp->specs->class > 4) | |
b860dc81 | 325 | rig = 0; |
b3a57661 EW |
326 | if (rig && sp->specs->crew3) { |
327 | close = closestenemy(sp, 0, 0); | |
328 | if (close != 0) { | |
329 | if (range(sp, close) > 9) | |
330 | full = 1; | |
331 | else | |
b860dc81 | 332 | full = 0; |
b3a57661 | 333 | } else |
b860dc81 | 334 | full = 0; |
b3a57661 EW |
335 | } else |
336 | full = 0; | |
337 | if ((sp->file->FS != 0) != full) | |
338 | Write(W_FS, sp, 0, full, 0, 0, 0); | |
b860dc81 CL |
339 | } |
340 | } |