dr_1.c revision 1.24 1 /* $NetBSD: dr_1.c,v 1.24 2009/03/09 04:38:39 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 1.24 2009/03/09 04:38:39 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
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
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
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 Writestr(W_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 Write(W_POINTS, fromcap,
206 fromcap->file->points -
207 from->file->struck
208 ? from->specs->pts
209 : 2 * from->specs->pts,
210 0, 0, 0);
211
212 /* ptr1 points to the shipspec for the ship that was just unboarded.
213 I guess that what is going on here is that the pointer is multiplied
214 or something. */
215
216 Write(W_CAPTURED, from, to->file->index, 0, 0, 0);
217 topoints = 2 * from->specs->pts + to->file->points;
218 if (from->file->struck)
219 topoints -= from->specs->pts;
220 Write(W_POINTS, to, topoints, 0, 0, 0);
221 mento = crewto[0] ? crewto[0] : crewto[1];
222 if (mento) {
223 subtract(to, tocap, mento, crewto, pcto);
224 subtract(from, to, - mento, crewfrom, 0);
225 }
226 snprintf(message, sizeof(message),
227 "captured by the %s!", to->shipname);
228 Writestr(W_SIGNAL, from, message);
229 snprintf(message, sizeof(message),
230 "killed in melee: %d. %s: %d",
231 totalto, from->shipname, totalfrom);
232 Writestr(W_SIGNAL, to, message);
233 mento = 0;
234 return 0;
235 }
236 }
237 return 0;
238 }
239
240 void
241 resolve(void)
242 {
243 int thwart;
244 struct ship *sp, *sq;
245
246 foreachship(sp) {
247 if (sp->file->dir == 0)
248 continue;
249 for (sq = sp + 1; sq < ls; sq++)
250 if (sq->file->dir && meleeing(sp, sq) && meleeing(sq, sp))
251 fightitout(sp, sq, 0);
252 thwart = 2;
253 foreachship(sq) {
254 if (sq->file->dir && meleeing(sq, sp))
255 thwart = fightitout(sp, sq, 1);
256 if (!thwart)
257 break;
258 }
259 if (!thwart) {
260 foreachship(sq) {
261 if (sq->file->dir && meleeing(sq, sp))
262 unboard(sq, sp, 0);
263 unboard(sp, sq, 0);
264 }
265 unboard(sp, sp, 1);
266 } else if (thwart == 2)
267 unboard(sp, sp, 1);
268 }
269 }
270
271 void
272 compcombat(void)
273 {
274 int n;
275 struct ship *sp;
276 struct ship *closest;
277 int crew[3], men = 0, target, temp;
278 int r, guns, ready, load, car;
279 int indx, rakehim, sternrake;
280 int shootat, hit;
281
282 foreachship(sp) {
283 if (sp->file->captain[0] || sp->file->dir == 0)
284 continue;
285 crew[0] = sp->specs->crew1;
286 crew[1] = sp->specs->crew2;
287 crew[2] = sp->specs->crew3;
288 for (n = 0; n < 3; n++) {
289 if (sp->file->OBP[n].turnsent)
290 men += sp->file->OBP[n].mensent;
291 }
292 for (n = 0; n < 3; n++) {
293 if (sp->file->DBP[n].turnsent)
294 men += sp->file->DBP[n].mensent;
295 }
296 if (men){
297 crew[0] = men/100 ? 0 : crew[0] != 0;
298 crew[1] = (men%100)/10 ? 0 : crew[1] != 0;
299 crew[2] = men%10 ? 0 : crew[2] != 0;
300 }
301 for (r = 0; r < 2; r++) {
302 if (!crew[2])
303 continue;
304 if (sp->file->struck)
305 continue;
306 if (r) {
307 ready = sp->file->readyR;
308 guns = sp->specs->gunR;
309 car = sp->specs->carR;
310 } else {
311 ready = sp->file->readyL;
312 guns = sp->specs->gunL;
313 car = sp->specs->carL;
314 }
315 if (!guns && !car)
316 continue;
317 if ((ready & R_LOADED) == 0)
318 continue;
319 closest = closestenemy(sp, r ? 'r' : 'l', 0);
320 if (closest == 0)
321 continue;
322 if (range(closest, sp) > range(sp, closestenemy(sp, r ? 'r' : 'l', 1)))
323 continue;
324 if (closest->file->struck)
325 continue;
326 target = range(sp, closest);
327 if (target > 10)
328 continue;
329 if (!guns && target >= 3)
330 continue;
331 load = L_ROUND;
332 if (target == 1 && sp->file->loadwith == L_GRAPE)
333 load = L_GRAPE;
334 if (target <= 3 && closest->file->FS)
335 load = L_CHAIN;
336 if (target == 1 && load != L_GRAPE)
337 load = L_DOUBLE;
338 if (load > L_CHAIN && target < 6)
339 shootat = HULL;
340 else
341 shootat = RIGGING;
342 rakehim = gunsbear(sp, closest)
343 && !gunsbear(closest, sp);
344 temp = portside(closest, sp, 1)
345 - closest->file->dir + 1;
346 if (temp < 1)
347 temp += 8;
348 if (temp > 8)
349 temp -= 8;
350 sternrake = temp > 4 && temp < 6;
351 indx = guns;
352 if (target < 3)
353 indx += car;
354 indx = (indx - 1) / 3;
355 indx = indx > 8 ? 8 : indx;
356 if (!rakehim)
357 hit = HDT[indx][target-1];
358 else
359 hit = HDTrake[indx][target-1];
360 if (rakehim && sternrake)
361 hit++;
362 hit += QUAL[indx][capship(sp)->specs->qual - 1];
363 for (n = 0; n < 3 && sp->file->captured == 0; n++)
364 if (!crew[n]) {
365 if (indx <= 5)
366 hit--;
367 else
368 hit -= 2;
369 }
370 if (ready & R_INITIAL) {
371 if (!r)
372 sp->file->readyL &= ~R_INITIAL;
373 else
374 sp->file->readyR &= ~R_INITIAL;
375 if (indx <= 3)
376 hit++;
377 else
378 hit += 2;
379 }
380 if (sp->file->captured != 0) {
381 if (indx <= 1)
382 hit--;
383 else
384 hit -= 2;
385 }
386 hit += AMMO[indx][load - 1];
387 temp = sp->specs->class;
388 if ((temp >= 5 || temp == 1) && windspeed == 5)
389 hit--;
390 if (windspeed == 6 && temp == 4)
391 hit -= 2;
392 if (windspeed == 6 && temp <= 3)
393 hit--;
394 if (hit >= 0) {
395 if (load != L_GRAPE)
396 hit = hit > 10 ? 10 : hit;
397 table(sp, closest, shootat, load, hit, dieroll());
398 }
399 }
400 }
401 }
402
403 int
404 next(void)
405 {
406 if (++turn % 55 == 0) {
407 if (alive)
408 alive = 0;
409 else
410 people = 0;
411 }
412 if (people <= 0 || windspeed == 7) {
413 struct ship *s;
414 struct ship *bestship = NULL;
415 float net, best = 0.0;
416 foreachship(s) {
417 if (*s->file->captain)
418 continue;
419 net = (float)s->file->points / s->specs->pts;
420 if (net > best) {
421 best = net;
422 bestship = s;
423 }
424 }
425 if (best > 0.0 && bestship) {
426 char *tp = getenv("WOTD");
427 const char *p;
428 if (tp == 0)
429 p = "Driver";
430 else {
431 *tp = toupper((unsigned char)*tp);
432 p = tp;
433 }
434 strlcpy(bestship->file->captain, p,
435 sizeof bestship->file->captain);
436 logger(bestship);
437 }
438 return -1;
439 }
440 Write(W_TURN, SHIP(0), turn, 0, 0, 0);
441 if (turn % 7 == 0 && (dieroll() >= cc->windchange || !windspeed)) {
442 switch (dieroll()) {
443 case 1:
444 winddir = 1;
445 break;
446 case 2:
447 break;
448 case 3:
449 winddir++;
450 break;
451 case 4:
452 winddir--;
453 break;
454 case 5:
455 winddir += 2;
456 break;
457 case 6:
458 winddir -= 2;
459 break;
460 }
461 if (winddir > 8)
462 winddir -= 8;
463 if (winddir < 1)
464 winddir += 8;
465 if (windspeed)
466 switch (dieroll()) {
467 case 1:
468 case 2:
469 windspeed--;
470 break;
471 case 5:
472 case 6:
473 windspeed++;
474 break;
475 }
476 else
477 windspeed++;
478 Write(W_WIND, SHIP(0), winddir, windspeed, 0, 0);
479 }
480 return 0;
481 }
482