Commit | Line | Data |
---|---|---|
b860dc81 | 1 | #ifndef lint |
9d517234 | 2 | static char *sccsid = "@(#)dr_3.c 2.6 84/04/28"; |
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 */ | |
6ca45914 | 11 | register int k, l; /* r8, r7 */ |
28c0fb82 EW |
12 | int row[NSHIP], col[NSHIP], dir[NSHIP], drift[NSHIP]; |
13 | char moved[NSHIP]; | |
b860dc81 | 14 | |
b3a57661 EW |
15 | /* |
16 | * first try to create moves for OUR ships | |
17 | */ | |
18 | foreachship(sp) { | |
28c0fb82 EW |
19 | struct ship *closest; |
20 | int ma, ta; | |
21 | char af; | |
22 | ||
6c17b19a | 23 | if (sp->file->captain[0] || sp->file->dir == 0) |
b3a57661 EW |
24 | continue; |
25 | if (!sp->file->struck && windspeed && !snagged(sp) | |
26 | && sp->specs->crew3) { | |
6c17b19a | 27 | ta = maxturns(sp, &af); |
b3a57661 EW |
28 | ma = maxmove(sp, sp->file->dir, 0); |
29 | closest = closestenemy(sp, 0, 0); | |
30 | if (closest == 0) | |
6ca45914 | 31 | *sp->file->movebuf = '\0'; |
b860dc81 | 32 | else |
6ca45914 | 33 | closeon(sp, closest, sp->file->movebuf, |
b3a57661 EW |
34 | ta, ma, af); |
35 | } else | |
6ca45914 | 36 | *sp->file->movebuf = '\0'; |
b860dc81 | 37 | } |
b3a57661 EW |
38 | /* |
39 | * Then execute the moves for ALL ships (dead ones too), | |
28c0fb82 EW |
40 | * checking for collisions and snags at each step. |
41 | * The old positions are saved in row[], col[], dir[]. | |
42 | * At the end, we compare and write out the changes. | |
b3a57661 EW |
43 | */ |
44 | n = 0; | |
45 | foreachship(sp) { | |
46 | if (snagged(sp)) | |
6ca45914 | 47 | (void) strcpy(sp->file->movebuf, "d"); |
b3a57661 | 48 | else |
6ca45914 EW |
49 | if (*sp->file->movebuf != 'd') |
50 | (void) strcat(sp->file->movebuf, "d"); | |
b3a57661 EW |
51 | row[n] = sp->file->row; |
52 | col[n] = sp->file->col; | |
53 | dir[n] = sp->file->dir; | |
28c0fb82 EW |
54 | drift[n] = sp->file->drift; |
55 | moved[n] = 0; | |
b3a57661 | 56 | n++; |
b860dc81 | 57 | } |
b3a57661 EW |
58 | /* |
59 | * Now resolve collisions. | |
60 | * This is the tough part. | |
61 | */ | |
28c0fb82 | 62 | for (k = 0; stillmoving(k); k++) { |
b3a57661 EW |
63 | /* |
64 | * Step once. | |
6ca45914 | 65 | * And propagate the nulls at the end of sp->file->movebuf. |
b3a57661 EW |
66 | */ |
67 | n = 0; | |
68 | foreachship(sp) { | |
6ca45914 EW |
69 | if (!sp->file->movebuf[k]) |
70 | sp->file->movebuf[k+1] = '\0'; | |
28c0fb82 | 71 | else if (sp->file->dir) |
6ca45914 | 72 | step(sp->file->movebuf[k], sp, &moved[n]); |
b3a57661 | 73 | n++; |
b860dc81 | 74 | } |
b3a57661 EW |
75 | /* |
76 | * The real stuff. | |
77 | */ | |
78 | n = 0; | |
79 | foreachship(sp) { | |
28c0fb82 | 80 | if (sp->file->dir == 0 || isolated(sp)) |
759267e0 | 81 | goto cont1; |
b3a57661 EW |
82 | l = 0; |
83 | foreachship(sq) { | |
28c0fb82 EW |
84 | char snap = 0; |
85 | ||
759267e0 EW |
86 | if (sp == sq) |
87 | goto cont2; | |
28c0fb82 | 88 | if (sq->file->dir == 0) |
759267e0 | 89 | goto cont2; |
28c0fb82 EW |
90 | if (!push(sp, sq)) |
91 | goto cont2; | |
92 | if (snagged2(sp, sq) && range(sp, sq) > 1) | |
93 | snap++; | |
94 | if (!range(sp, sq) && !fouled2(sp, sq)) { | |
b3a57661 EW |
95 | makesignal(sp, |
96 | "collision with %s (%c%c)", sq); | |
97 | if (die() < 4) { | |
98 | makesignal(sp, | |
99 | "fouled with %s (%c%c)", | |
100 | sq); | |
6ca45914 EW |
101 | Write(W_FOUL, sp, 0, l, 0, 0, 0); |
102 | Write(W_FOUL, sq, 0, n, 0, 0, 0); | |
b860dc81 | 103 | } |
28c0fb82 EW |
104 | snap++; |
105 | } | |
106 | if (snap) { | |
6ca45914 EW |
107 | sp->file->movebuf[k + 1] = 0; |
108 | sq->file->movebuf[k + 1] = 0; | |
28c0fb82 | 109 | sq->file->row = sp->file->row - 1; |
b3a57661 EW |
110 | if (sp->file->dir == 1 |
111 | || sp->file->dir == 5) | |
28c0fb82 EW |
112 | sq->file->col = |
113 | sp->file->col - 1; | |
b3a57661 | 114 | else |
28c0fb82 EW |
115 | sq->file->col = sp->file->col; |
116 | sq->file->dir = sp->file->dir; | |
b860dc81 | 117 | } |
759267e0 | 118 | cont2: |
b3a57661 | 119 | l++; |
b860dc81 | 120 | } |
759267e0 | 121 | cont1: |
b3a57661 | 122 | n++; |
b860dc81 CL |
123 | } |
124 | } | |
b3a57661 | 125 | /* |
28c0fb82 | 126 | * Clear old moves. And write out new pos. |
b3a57661 | 127 | */ |
28c0fb82 EW |
128 | n = 0; |
129 | foreachship(sp) { | |
130 | if (sp->file->dir != 0) { | |
6ca45914 | 131 | *sp->file->movebuf = 0; |
28c0fb82 | 132 | if (row[n] != sp->file->row) |
6ca45914 | 133 | Write(W_ROW, sp, 0, sp->file->row, 0, 0, 0); |
28c0fb82 | 134 | if (col[n] != sp->file->col) |
6ca45914 | 135 | Write(W_COL, sp, 0, sp->file->col, 0, 0, 0); |
28c0fb82 | 136 | if (dir[n] != sp->file->dir) |
6ca45914 | 137 | Write(W_DIR, sp, 0, sp->file->dir, 0, 0, 0); |
28c0fb82 EW |
138 | if (drift[n] != sp->file->drift) |
139 | Write(W_DRIFT, sp, 0, sp->file->drift, 0, 0, 0); | |
140 | } | |
141 | n++; | |
142 | } | |
b860dc81 CL |
143 | } |
144 | ||
28c0fb82 | 145 | stillmoving(k) |
b860dc81 CL |
146 | register int k; |
147 | { | |
b3a57661 | 148 | register struct ship *sp; |
b860dc81 | 149 | |
28c0fb82 | 150 | foreachship(sp) |
6ca45914 | 151 | if (sp->file->movebuf[k]) |
b3a57661 | 152 | return 1; |
b3a57661 | 153 | return 0; |
b860dc81 CL |
154 | } |
155 | ||
156 | isolated(ship) | |
b3a57661 | 157 | register struct ship *ship; |
b860dc81 | 158 | { |
b3a57661 | 159 | register struct ship *sp; |
b860dc81 | 160 | |
b3a57661 EW |
161 | foreachship(sp) { |
162 | if (ship != sp && range(ship, sp) <= 10) | |
163 | return 0; | |
164 | } | |
165 | return 1; | |
b860dc81 CL |
166 | } |
167 | ||
168 | push(from, to) | |
b3a57661 | 169 | register struct ship *from, *to; |
b860dc81 | 170 | { |
b860dc81 CL |
171 | register int bs, sb; |
172 | ||
28c0fb82 EW |
173 | sb = to->specs->guns; |
174 | bs = from->specs->guns; | |
b3a57661 EW |
175 | if (sb > bs) |
176 | return 1; | |
b860dc81 | 177 | if (sb < bs) |
b3a57661 EW |
178 | return 0; |
179 | return from < to; | |
b860dc81 CL |
180 | } |
181 | ||
28c0fb82 | 182 | step(com, sp, moved) |
b860dc81 | 183 | char com; |
28c0fb82 EW |
184 | register struct ship *sp; |
185 | char *moved; | |
b860dc81 | 186 | { |
b860dc81 CL |
187 | register int dist; |
188 | ||
b3a57661 EW |
189 | switch (com) { |
190 | case 'r': | |
28c0fb82 EW |
191 | if (++sp->file->dir == 9) |
192 | sp->file->dir = 1; | |
b3a57661 EW |
193 | break; |
194 | case 'l': | |
28c0fb82 EW |
195 | if (--sp->file->dir == 0) |
196 | sp->file->dir = 8; | |
b3a57661 | 197 | break; |
daf95c1e EW |
198 | case '0': case '1': case '2': case '3': |
199 | case '4': case '5': case '6': case '7': | |
28c0fb82 | 200 | if (sp->file->dir % 2 == 0) |
b3a57661 EW |
201 | dist = dtab[com - '0']; |
202 | else | |
203 | dist = com - '0'; | |
28c0fb82 EW |
204 | sp->file->row -= dr[sp->file->dir] * dist; |
205 | sp->file->col -= dc[sp->file->dir] * dist; | |
206 | *moved = 1; | |
b3a57661 EW |
207 | break; |
208 | case 'b': | |
209 | break; | |
210 | case 'd': | |
28c0fb82 | 211 | if (!*moved) { |
9d517234 | 212 | if (windspeed != 0 && ++sp->file->drift > 2 && |
28c0fb82 EW |
213 | (sp->specs->class >= 3 && !snagged(sp) |
214 | || (turn & 1) == 0)) { | |
215 | sp->file->row -= dr[winddir]; | |
216 | sp->file->col -= dc[winddir]; | |
217 | } | |
218 | } else | |
219 | sp->file->drift = 0; | |
b3a57661 | 220 | break; |
b860dc81 CL |
221 | } |
222 | } | |
223 | ||
b3a57661 EW |
224 | sendbp(from, to, sections, isdefense) |
225 | register struct ship *from, *to; | |
226 | int sections; | |
227 | char isdefense; | |
b860dc81 CL |
228 | { |
229 | int n; | |
b3a57661 | 230 | register struct BP *bp; |
b860dc81 | 231 | |
b3a57661 | 232 | bp = isdefense ? from->file->DBP : from->file->OBP; |
daf95c1e | 233 | for (n = 0; n < NBP && bp[n].turnsent; n++) |
b3a57661 | 234 | ; |
daf95c1e | 235 | if (n < NBP && sections) { |
b3a57661 | 236 | Write(isdefense ? W_DBP : W_OBP, from, 0, |
daf95c1e | 237 | n, turn, to->file->index, sections); |
b3a57661 EW |
238 | if (isdefense) |
239 | makesignal(from, "repelling boarders", | |
240 | (struct ship *)0); | |
b860dc81 | 241 | else |
b3a57661 | 242 | makesignal(from, "boarding the %s (%c%c)", to); |
b860dc81 CL |
243 | } |
244 | } | |
245 | ||
b3a57661 EW |
246 | toughmelee(ship, to, isdefense, count) |
247 | register struct ship *ship, *to; | |
248 | int isdefense, count; | |
b860dc81 | 249 | { |
b3a57661 EW |
250 | register struct BP *bp; |
251 | register obp = 0; | |
252 | int n, OBP = 0, DBP = 0, dbp = 0; | |
b860dc81 | 253 | int qual; |
b860dc81 | 254 | |
b3a57661 EW |
255 | qual = ship->specs->qual; |
256 | bp = isdefense ? ship->file->DBP : ship->file->OBP; | |
257 | for (n = 0; n < NBP; n++, bp++) { | |
258 | if (bp->turnsent && (to == bp->toship || isdefense)) { | |
259 | obp += bp->mensent / 100 | |
260 | ? ship->specs->crew1 * qual : 0; | |
261 | obp += (bp->mensent % 100)/10 | |
262 | ? ship->specs->crew2 * qual : 0; | |
263 | obp += bp->mensent % 10 | |
264 | ? ship->specs->crew3 * qual : 0; | |
b860dc81 CL |
265 | } |
266 | } | |
b3a57661 EW |
267 | if (count || isdefense) |
268 | return obp; | |
269 | OBP = toughmelee(to, ship, 0, count + 1); | |
270 | dbp = toughmelee(ship, to, 1, count + 1); | |
271 | DBP = toughmelee(to, ship, 1, count + 1); | |
b860dc81 | 272 | if (OBP > obp + 10 || OBP + DBP >= obp + dbp + 10) |
b3a57661 | 273 | return 1; |
b860dc81 | 274 | else |
b3a57661 | 275 | return 0; |
b860dc81 CL |
276 | } |
277 | ||
278 | reload() | |
279 | { | |
b3a57661 | 280 | register struct ship *sp; |
b860dc81 | 281 | |
b3a57661 EW |
282 | foreachship(sp) { |
283 | sp->file->loadwith = 0; | |
284 | } | |
b860dc81 CL |
285 | } |
286 | ||
287 | checksails() | |
288 | { | |
b3a57661 EW |
289 | register struct ship *sp; |
290 | register int rig, full; | |
291 | struct ship *close; | |
b860dc81 | 292 | |
b3a57661 EW |
293 | foreachship(sp) { |
294 | if (sp->file->captain[0] != 0) | |
295 | continue; | |
296 | rig = sp->specs->rig1; | |
297 | if (windspeed == 6 || windspeed == 5 && sp->specs->class > 4) | |
b860dc81 | 298 | rig = 0; |
b3a57661 EW |
299 | if (rig && sp->specs->crew3) { |
300 | close = closestenemy(sp, 0, 0); | |
301 | if (close != 0) { | |
302 | if (range(sp, close) > 9) | |
303 | full = 1; | |
304 | else | |
b860dc81 | 305 | full = 0; |
b3a57661 | 306 | } else |
b860dc81 | 307 | full = 0; |
b3a57661 EW |
308 | } else |
309 | full = 0; | |
310 | if ((sp->file->FS != 0) != full) | |
311 | Write(W_FS, sp, 0, full, 0, 0, 0); | |
b860dc81 CL |
312 | } |
313 | } |