1 /* $NetBSD: pl_3.c,v 1.20 2009/03/15 03:33:56 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[] = "@(#)pl_3.c 8.1 (Berkeley) 5/31/93";
36 #else
37 __RCSID("$NetBSD: pl_3.c,v 1.20 2009/03/15 03:33:56 dholland Exp $");
38 #endif
39 #endif /* not lint */
40
41 #include <signal.h>
42 #include <stdlib.h>
43 #include "extern.h"
44 #include "player.h"
45
46 void
acceptcombat(void)47 acceptcombat(void)
48 {
49 int men = 0;
50 int target, temp;
51 int n, r;
52 int index, rakehim, sternrake;
53 int hhits = 0, ghits = 0, rhits = 0, chits = 0;
54 int crew[3];
55 int load;
56 int guns, car, ready, shootat, hit;
57 int roll;
58 struct ship *closest;
59
60 crew[0] = mc->crew1;
61 crew[1] = mc->crew2;
62 crew[2] = mc->crew3;
63 for (n = 0; n < 3; n++) {
64 if (mf->OBP[n].turnsent)
65 men += mf->OBP[n].mensent;
66 }
67 for (n = 0; n < 3; n++) {
68 if (mf->DBP[n].turnsent)
69 men += mf->DBP[n].mensent;
70 }
71 if (men) {
72 crew[0] = men/100 ? 0 : crew[0] != 0;
73 crew[1] = (men%100)/10 ? 0 : crew[1] != 0;
74 crew[2] = men%10 ? 0 : crew[2] != 0;
75 }
76 for (r = 0; r < 2; r++) {
77 if (r) {
78 ready = mf->readyR;
79 load = mf->loadR;
80 guns = mc->gunR;
81 car = mc->carR;
82 } else {
83 ready = mf->readyL;
84 load = mf->loadL;
85 guns = mc->gunL;
86 car = mc->carL;
87 }
88 if ((!guns && !car) || load == L_EMPTY ||
89 (ready & R_LOADED) == 0)
90 goto cant;
91 if (mf->struck || !crew[2])
92 goto cant;
93 closest = closestenemy(ms, (r ? 'r' : 'l'), 1);
94 if (closest == 0)
95 goto cant;
96 if (closest->file->struck)
97 goto cant;
98 target = range(ms, closest);
99 if (target > rangeofshot[load] || (!guns && target >= 3))
100 goto cant;
101 Signal("$$ within range of %s broadside.",
102 closest, r ? "right" : "left");
103 if (load > L_CHAIN && target < 6) {
104 switch (sgetch("Aim for hull or rigging? ",
105 (struct ship *)0, 1)) {
106 case 'r':
107 shootat = RIGGING;
108 break;
109 case 'h':
110 shootat = HULL;
111 break;
112 default:
113 shootat = -1;
114 Msg("'Avast there! Hold your fire.'");
115 }
116 } else {
117 if (sgetch("Fire? ", (struct ship *)0, 1) == 'n') {
118 shootat = -1;
119 Msg("Belay that! Hold your fire.");
120 } else
121 shootat = RIGGING;
122 }
123 if (shootat == -1)
124 continue;
125 fired = 1;
126 rakehim = gunsbear(ms, closest) && !gunsbear(closest, ms);
127 temp = portside(closest, ms, 1) - closest->file->dir + 1;
128 if (temp < 1)
129 temp += 8;
130 else if (temp > 8)
131 temp -= 8;
132 sternrake = temp > 4 && temp < 6;
133 if (rakehim) {
134 if (!sternrake)
135 Msg("Raking the %s!", closest->shipname);
136 else
137 Msg("Stern Rake! %s splintering!",
138 closest->shipname);
139 }
140 index = guns;
141 if (target < 3)
142 index += car;
143 index = (index - 1)/3;
144 index = index > 8 ? 8 : index;
145 if (!rakehim)
146 hit = HDT[index][target-1];
147 else
148 hit = HDTrake[index][target-1];
149 if (rakehim && sternrake)
150 hit++;
151 hit += QUAL[index][mc->qual-1];
152 for (n = 0; n < 3 && mf->captured == 0; n++)
153 if (!crew[n]) {
154 if (index <= 5)
155 hit--;
156 else
157 hit -= 2;
158 }
159 if (ready & R_INITIAL) {
160 if (index <= 3)
161 hit++;
162 else
163 hit += 2;
164 }
165 if (mf->captured != 0) {
166 if (index <= 1)
167 hit--;
168 else
169 hit -= 2;
170 }
171 hit += AMMO[index][load - 1];
172 if (((temp = mc->class) >= 5 || temp == 1) && windspeed == 5)
173 hit--;
174 if (windspeed == 6 && temp == 4)
175 hit -= 2;
176 if (windspeed == 6 && temp <= 3)
177 hit--;
178 if (hit >= 0) {
179 roll = dieroll();
180 if (load == L_GRAPE)
181 chits = hit;
182 else {
183 const struct Tables *t;
184 if (hit > 10)
185 hit = 10;
186 t = &(shootat == RIGGING ? RigTable : HullTable)
187 [hit][roll-1];
188 chits = t->C;
189 rhits = t->R;
190 hhits = t->H;
191 ghits = t->G;
192 if (closest->file->FS)
193 rhits *= 2;
194 if (load == L_CHAIN) {
195 ghits = 0;
196 hhits = 0;
197 }
198 }
199 table(ms, closest, shootat, load, hit, roll);
200 }
201 Msg("Damage inflicted on the %s:", closest->shipname);
202 Msg("\t%d HULL, %d GUNS, %d CREW, %d RIGGING",
203 hhits, ghits, chits, rhits);
204 if (!r) {
205 mf->loadL = L_EMPTY;
206 mf->readyL = R_EMPTY;
207 } else {
208 mf->loadR = L_EMPTY;
209 mf->readyR = R_EMPTY;
210 }
211 continue;
212 cant:
213 Msg("Unable to fire %s broadside", r ? "right" : "left");
214 }
215 }
216
217 void
grapungrap(void)218 grapungrap(void)
219 {
220 struct ship *sp;
221 int i;
222
223 foreachship(sp) {
224 if (sp == ms || sp->file->dir == 0)
225 continue;
226 if (range(ms, sp) > 1 && !grappled2(ms, sp))
227 continue;
228 switch (sgetch("Attempt to grapple or ungrapple $$: ",
229 sp, 1)) {
230 case 'g':
231 if (dieroll() < 3
232 || ms->nationality == capship(sp)->nationality) {
233 send_grap(ms, sp->file->index);
234 send_grap(sp, player);
235 Msg("Attempt succeeds!");
236 makesignal(ms, "grappled with $$", sp);
237 } else
238 Msg("Attempt fails.");
239 break;
240 case 'u':
241 for (i = grappled2(ms, sp); --i >= 0;) {
242 if (ms->nationality
243 == capship(sp)->nationality
244 || dieroll() < 3) {
245 cleangrapple(ms, sp, 0);
246 Msg("Attempt succeeds!");
247 makesignal(ms, "ungrappling with $$",
248 sp);
249 } else
250 Msg("Attempt fails.");
251 }
252 break;
253 }
254 }
255 }
256
257 void
unfoulplayer(void)258 unfoulplayer(void)
259 {
260 struct ship *to;
261 int i;
262
263 foreachship(to) {
264 if (fouled2(ms, to) == 0)
265 continue;
266 if (sgetch("Attempt to unfoul with the $$? ", to, 1) != 'y')
267 continue;
268 for (i = fouled2(ms, to); --i >= 0;) {
269 if (dieroll() <= 2) {
270 cleanfoul(ms, to, 0);
271 Msg("Attempt succeeds!");
272 makesignal(ms, "Unfouling $$", to);
273 } else
274 Msg("Attempt fails.");
275 }
276 }
277 }
278