1 /* $NetBSD: dr_1.c,v 1.27 2009/03/14 22:52:52 dholland Exp $ */
2
3 /*
4 * Copyright (c) 1983, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 #ifndef lint
34 #if 0
35 static char sccsid[] = "@(#)dr_1.c 8.1 (Berkeley) 5/31/93";
36 #else
37 __RCSID("$NetBSD: dr_1.c,v 1.27 2009/03/14 22:52:52 dholland Exp $");
38 #endif
39 #endif /* not lint */
40
41 #include <ctype.h>
42 #include <stdio.h>
43 #include <stdlib.h>
44 #include <string.h>
45 #include "extern.h"
46 #include "driver.h"
47
48 static int fightitout(struct ship *, struct ship *, int);
49
50 void
unfoul(void)51 unfoul(void)
52 {
53 struct ship *sp;
54 struct ship *to;
55 int nat;
56 int i;
57
58 foreachship(sp) {
59 if (sp->file->captain[0])
60 continue;
61 nat = capship(sp)->nationality;
62 foreachship(to) {
63 if (nat != capship(to)->nationality &&
64 !is_toughmelee(sp, to, 0, 0))
65 continue;
66 for (i = fouled2(sp, to); --i >= 0;)
67 if (dieroll() <= 2)
68 cleanfoul(sp, to, 0);
69 }
70 }
71 }
72
73 void
boardcomp(void)74 boardcomp(void)
75 {
76 int crew[3];
77 struct ship *sp, *sq;
78
79 foreachship(sp) {
80 if (*sp->file->captain)
81 continue;
82 if (sp->file->dir == 0)
83 continue;
84 if (sp->file->struck || sp->file->captured != 0)
85 continue;
86 if (!snagged(sp))
87 continue;
88 crew[0] = sp->specs->crew1 != 0;
89 crew[1] = sp->specs->crew2 != 0;
90 crew[2] = sp->specs->crew3 != 0;
91 foreachship(sq) {
92 if (!Xsnagged2(sp, sq))
93 continue;
94 if (meleeing(sp, sq))
95 continue;
96 if (!sq->file->dir
97 || sp->nationality == capship(sq)->nationality)
98 continue;
99 switch (sp->specs->class - sq->specs->class) {
100 case -3: case -4: case -5:
101 if (crew[0]) {
102 /* OBP */
103 sendbp(sp, sq, crew[0]*100, 0);
104 crew[0] = 0;
105 } else if (crew[1]) {
106 /* OBP */
107 sendbp(sp, sq, crew[1]*10, 0);
108 crew[1] = 0;
109 }
110 break;
111 case -2:
112 if (crew[0] || crew[1]) {
113 /* OBP */
114 sendbp(sp, sq, crew[0]*100+crew[1]*10,
115 0);
116 crew[0] = crew[1] = 0;
117 }
118 break;
119 case -1: case 0: case 1:
120 if (crew[0]) {
121 /* OBP */
122 sendbp(sp, sq, crew[0]*100+crew[1]*10,
123 0);
124 crew[0] = crew[1] = 0;
125 }
126 break;
127 case 2: case 3: case 4: case 5:
128 /* OBP */
129 sendbp(sp, sq, crew[0]*100+crew[1]*10+crew[2],
130 0);
131 crew[0] = crew[1] = crew[2] = 0;
132 break;
133 }
134 }
135 }
136 }
137
138 static int
fightitout(struct ship * from,struct ship * to,int key)139 fightitout(struct ship *from, struct ship *to, int key)
140 {
141 struct ship *fromcap, *tocap;
142 int crewfrom[3], crewto[3], menfrom, mento;
143 int pcto, pcfrom, fromstrength, strengthto, frominjured, toinjured;
144 int topoints;
145 int indx, totalfrom = 0, totalto = 0;
146 int count;
147 char message[60];
148
149 menfrom = mensent(from, to, crewfrom, &fromcap, &pcfrom, key);
150 mento = mensent(to, from, crewto, &tocap, &pcto, 0);
151 if (fromcap == 0)
152 fromcap = from;
153 if (tocap == 0)
154 tocap = to;
155 if (key) {
156 if (!menfrom) { /* if crew surprised */
157 if (fromcap == from)
158 menfrom = from->specs->crew1
159 + from->specs->crew2
160 + from->specs->crew3;
161 else
162 menfrom = from->file->pcrew;
163 } else {
164 menfrom *= 2; /* DBP's fight at an advantage */
165 }
166 }
167 fromstrength = menfrom * fromcap->specs->qual;
168 strengthto = mento * tocap->specs->qual;
169 for (count = 0;
170 ((fromstrength < strengthto * 3 && strengthto < fromstrength * 3)
171 || fromstrength == -1) && count < 4;
172 count++) {
173 indx = fromstrength/10;
174 if (indx > 8)
175 indx = 8;
176 toinjured = MT[indx][2 - dieroll() / 3];
177 totalto += toinjured;
178 indx = strengthto/10;
179 if (indx > 8)
180 indx = 8;
181 frominjured = MT[indx][2 - dieroll() / 3];
182 totalfrom += frominjured;
183 menfrom -= frominjured;
184 mento -= toinjured;
185 fromstrength = menfrom * fromcap->specs->qual;
186 strengthto = mento * tocap->specs->qual;
187 }
188 if (fromstrength >= strengthto * 3 || count == 4) {
189 unboard(to, from, 0);
190 subtract(from, fromcap, totalfrom, crewfrom, pcfrom);
191 subtract(to, tocap, totalto, crewto, pcto);
192 makemsg(from, "boarders from %s repelled", to->shipname);
193 snprintf(message, sizeof(message),
194 "killed in melee: %d. %s: %d",
195 totalto, from->shipname, totalfrom);
196 send_signal(to, message);
197 if (key)
198 return 1;
199 } else if (strengthto >= fromstrength * 3) {
200 unboard(from, to, 0);
201 subtract(from, fromcap, totalfrom, crewfrom, pcfrom);
202 subtract(to, tocap, totalto, crewto, pcto);
203 if (key) {
204 if (fromcap != from)
205 send_points(fromcap,
206 fromcap->file->points -
207 from->file->struck
208 ? from->specs->pts
209 : 2 * from->specs->pts);
210
211 send_captured(from, to->file->index);
212 topoints = 2 * from->specs->pts + to->file->points;
213 if (from->file->struck)
214 topoints -= from->specs->pts;
215 send_points(to, topoints);
216 mento = crewto[0] ? crewto[0] : crewto[1];
217 if (mento) {
218 subtract(to, tocap, mento, crewto, pcto);
219 subtract(from, to, - mento, crewfrom, 0);
220 }
221 snprintf(message, sizeof(message),
222 "captured by the %s!", to->shipname);
223 send_signal(from, message);
224 snprintf(message, sizeof(message),
225 "killed in melee: %d. %s: %d",
226 totalto, from->shipname, totalfrom);
227 send_signal(to, message);
228 mento = 0;
229 return 0;
230 }
231 }
232 return 0;
233 }
234
235 void
resolve(void)236 resolve(void)
237 {
238 int thwart;
239 struct ship *sp, *sq;
240
241 foreachship(sp) {
242 if (sp->file->dir == 0)
243 continue;
244 for (sq = sp + 1; sq < ls; sq++)
245 if (sq->file->dir && meleeing(sp, sq) &&
246 meleeing(sq, sp))
247 fightitout(sp, sq, 0);
248 thwart = 2;
249 foreachship(sq) {
250 if (sq->file->dir && meleeing(sq, sp))
251 thwart = fightitout(sp, sq, 1);
252 if (!thwart)
253 break;
254 }
255 if (!thwart) {
256 foreachship(sq) {
257 if (sq->file->dir && meleeing(sq, sp))
258 unboard(sq, sp, 0);
259 unboard(sp, sq, 0);
260 }
261 unboard(sp, sp, 1);
262 } else if (thwart == 2)
263 unboard(sp, sp, 1);
264 }
265 }
266
267 void
compcombat(void)268 compcombat(void)
269 {
270 int n;
271 struct ship *sp;
272 struct ship *closest;
273 int crew[3], men = 0, target, temp;
274 int r, guns, ready, load, car;
275 int indx, rakehim, sternrake;
276 int shootat, hit;
277
278 foreachship(sp) {
279 if (sp->file->captain[0] || sp->file->dir == 0)
280 continue;
281 crew[0] = sp->specs->crew1;
282 crew[1] = sp->specs->crew2;
283 crew[2] = sp->specs->crew3;
284 for (n = 0; n < 3; n++) {
285 if (sp->file->OBP[n].turnsent)
286 men += sp->file->OBP[n].mensent;
287 }
288 for (n = 0; n < 3; n++) {
289 if (sp->file->DBP[n].turnsent)
290 men += sp->file->DBP[n].mensent;
291 }
292 if (men) {
293 crew[0] = men/100 ? 0 : crew[0] != 0;
294 crew[1] = (men%100)/10 ? 0 : crew[1] != 0;
295 crew[2] = men%10 ? 0 : crew[2] != 0;
296 }
297 for (r = 0; r < 2; r++) {
298 if (!crew[2])
299 continue;
300 if (sp->file->struck)
301 continue;
302 if (r) {
303 ready = sp->file->readyR;
304 guns = sp->specs->gunR;
305 car = sp->specs->carR;
306 } else {
307 ready = sp->file->readyL;
308 guns = sp->specs->gunL;
309 car = sp->specs->carL;
310 }
311 if (!guns && !car)
312 continue;
313 if ((ready & R_LOADED) == 0)
314 continue;
315 closest = closestenemy(sp, r ? 'r' : 'l', 0);
316 if (closest == 0)
317 continue;
318 if (range(closest, sp) >
319 range(sp, closestenemy(sp, r ? 'r' : 'l', 1)))
320 continue;
321 if (closest->file->struck)
322 continue;
323 target = range(sp, closest);
324 if (target > 10)
325 continue;
326 if (!guns && target >= 3)
327 continue;
328 load = L_ROUND;
329 if (target == 1 && sp->file->loadwith == L_GRAPE)
330 load = L_GRAPE;
331 if (target <= 3 && closest->file->FS)
332 load = L_CHAIN;
333 if (target == 1 && load != L_GRAPE)
334 load = L_DOUBLE;
335 if (load > L_CHAIN && target < 6)
336 shootat = HULL;
337 else
338 shootat = RIGGING;
339 rakehim = gunsbear(sp, closest)
340 && !gunsbear(closest, sp);
341 temp = portside(closest, sp, 1)
342 - closest->file->dir + 1;
343 if (temp < 1)
344 temp += 8;
345 if (temp > 8)
346 temp -= 8;
347 sternrake = temp > 4 && temp < 6;
348 indx = guns;
349 if (target < 3)
350 indx += car;
351 indx = (indx - 1) / 3;
352 indx = indx > 8 ? 8 : indx;
353 if (!rakehim)
354 hit = HDT[indx][target-1];
355 else
356 hit = HDTrake[indx][target-1];
357 if (rakehim && sternrake)
358 hit++;
359 hit += QUAL[indx][capship(sp)->specs->qual - 1];
360 for (n = 0; n < 3 && sp->file->captured == 0; n++) {
361 if (!crew[n]) {
362 if (indx <= 5)
363 hit--;
364 else
365 hit -= 2;
366 }
367 }
368 if (ready & R_INITIAL) {
369 if (!r)
370 sp->file->readyL &= ~R_INITIAL;
371 else
372 sp->file->readyR &= ~R_INITIAL;
373 if (indx <= 3)
374 hit++;
375 else
376 hit += 2;
377 }
378 if (sp->file->captured != 0) {
379 if (indx <= 1)
380 hit--;
381 else
382 hit -= 2;
383 }
384 hit += AMMO[indx][load - 1];
385 temp = sp->specs->class;
386 if ((temp >= 5 || temp == 1) && windspeed == 5)
387 hit--;
388 if (windspeed == 6 && temp == 4)
389 hit -= 2;
390 if (windspeed == 6 && temp <= 3)
391 hit--;
392 if (hit >= 0) {
393 if (load != L_GRAPE)
394 hit = hit > 10 ? 10 : hit;
395 table(sp, closest, shootat, load, hit,
396 dieroll());
397 }
398 }
399 }
400 }
401
402 int
next(void)403 next(void)
404 {
405 if (++turn % 55 == 0) {
406 if (alive)
407 alive = 0;
408 else
409 people = 0;
410 }
411 if (people <= 0 || windspeed == 7) {
412 struct ship *s;
413 struct ship *bestship = NULL;
414 float net, best = 0.0;
415 foreachship(s) {
416 if (*s->file->captain)
417 continue;
418 net = (float)s->file->points / s->specs->pts;
419 if (net > best) {
420 best = net;
421 bestship = s;
422 }
423 }
424 if (best > 0.0 && bestship) {
425 char *tp = getenv("WOTD");
426 const char *p;
427 if (tp == 0)
428 p = "Driver";
429 else {
430 *tp = toupper((unsigned char)*tp);
431 p = tp;
432 }
433 strlcpy(bestship->file->captain, p,
434 sizeof bestship->file->captain);
435 logger(bestship);
436 }
437 return -1;
438 }
439 send_turn(turn);
440 if (turn % 7 == 0 && (dieroll() >= cc->windchange || !windspeed)) {
441 switch (dieroll()) {
442 case 1:
443 winddir = 1;
444 break;
445 case 2:
446 break;
447 case 3:
448 winddir++;
449 break;
450 case 4:
451 winddir--;
452 break;
453 case 5:
454 winddir += 2;
455 break;
456 case 6:
457 winddir -= 2;
458 break;
459 }
460 if (winddir > 8)
461 winddir -= 8;
462 if (winddir < 1)
463 winddir += 8;
464 if (windspeed)
465 switch (dieroll()) {
466 case 1:
467 case 2:
468 windspeed--;
469 break;
470 case 5:
471 case 6:
472 windspeed++;
473 break;
474 }
475 else
476 windspeed++;
477 send_wind( winddir, windspeed);
478 }
479 return 0;
480 }
481