xref: /dragonfly/games/sail/pl_3.c (revision 768af85b)
1 /*-
2  * Copyright (c) 1983, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. Neither the name of the University nor the names of its contributors
14  *    may be used to endorse or promote products derived from this software
15  *    without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  * @(#)pl_3.c	8.1 (Berkeley) 5/31/93
30  * $FreeBSD: src/games/sail/pl_3.c,v 1.6 1999/11/30 03:49:37 billf Exp $
31  * $DragonFly: src/games/sail/pl_3.c,v 1.3 2006/09/03 17:33:13 pavalos Exp $
32  */
33 
34 #include "player.h"
35 
36 void
37 acceptcombat(void)
38 {
39 	int men = 0;
40 	int target, temp;
41 	int n, r;
42 	int idx, rakehim, sternrake;
43 	int hhits = 0, ghits = 0, rhits = 0, chits = 0;
44 	int crew[3];
45 	int load;
46 	int guns, car, ready, shootat, hit;
47 	int roll;
48 	struct ship *closest;
49 
50 	crew[0] = mc->crew1;
51 	crew[1] = mc->crew2;
52 	crew[2] = mc->crew3;
53 	for (n = 0; n < 3; n++) {
54 		if (mf->OBP[n].turnsent)
55 			men += mf->OBP[n].mensent;
56 	}
57 	for (n = 0; n < 3; n++) {
58 		if (mf->DBP[n].turnsent)
59 			men += mf->DBP[n].mensent;
60 	}
61 	if (men) {
62 		crew[0] = men/100 ? 0 : crew[0] != 0;
63 		crew[1] = (men%100)/10 ? 0 : crew[1] != 0;
64 		crew[2] = men%10 ? 0 : crew[2] != 0;
65 	}
66 	for (r = 0; r < 2; r++) {
67 		if (r) {
68 			ready = mf->readyR;
69 			load = mf->loadR;
70 			guns = mc->gunR;
71 			car = mc->carR;
72 		} else {
73 			ready = mf->readyL;
74 			load = mf->loadL;
75 			guns = mc->gunL;
76 			car = mc->carL;
77 		}
78 		if ((!guns && !car) || load == L_EMPTY ||
79 		    (ready & R_LOADED) == 0)
80 			goto cant;
81 		if (mf->struck || !crew[2])
82 			goto cant;
83 		closest = closestenemy(ms, (r ? 'r' : 'l'), 1);
84 		if (closest == 0)
85 			goto cant;
86 		if (closest->file->struck)
87 			goto cant;
88 		target = range(ms, closest);
89 		if (target > rangeofshot[load] || (!guns && target >= 3))
90 			goto cant;
91 		Signal("%s (%c%c) within range of %s broadside.",
92 			closest, r ? "right" : "left");
93 		if (load > L_CHAIN && target < 6) {
94 			switch (sgetch("Aim for hull or rigging? ",
95 				NULL, 1)) {
96 			case 'r':
97 				shootat = RIGGING;
98 				break;
99 			case 'h':
100 				shootat = HULL;
101 				break;
102 			default:
103 				shootat = -1;
104 				Signal("'Avast there! Hold your fire.'",
105 					NULL);
106 			}
107 		} else {
108 			if (sgetch("Fire? ", NULL, 1) == 'n') {
109 				shootat = -1;
110 				Signal("Belay that! Hold your fire.",
111 					NULL);
112 			} else
113 				shootat = RIGGING;
114 		}
115 		if (shootat == -1)
116 			continue;
117 		fired = 1;
118 		rakehim = gunsbear(ms, closest) && !gunsbear(closest, ms);
119 		temp = portside(closest, ms, 1) - closest->file->dir + 1;
120 		if (temp < 1)
121 			temp += 8;
122 		else if (temp > 8)
123 			temp -= 8;
124 		sternrake = temp > 4 && temp < 6;
125 		if (rakehim) {
126 			if (!sternrake)
127 				Signal("Raking the %s!", closest);
128 			else
129 				Signal("Stern Rake! %s splintering!", closest);
130 		}
131 		idx = guns;
132 		if (target < 3)
133 			idx += car;
134 		idx = (idx - 1)/3;
135 		idx = idx > 8 ? 8 : idx;
136 		if (!rakehim)
137 			hit = HDT[idx][target-1];
138 		else
139 			hit = HDTrake[idx][target-1];
140 		if (rakehim && sternrake)
141 			hit++;
142 		hit += QUAL[idx][mc->qual-1];
143 		for (n = 0; n < 3 && mf->captured == 0; n++)
144 			if (!crew[n]) {
145 				if (idx <= 5)
146 					hit--;
147 				else
148 					hit -= 2;
149 			}
150 		if (ready & R_INITIAL) {
151 			if (idx <= 3)
152 				hit++;
153 			else
154 				hit += 2;
155 		}
156 		if (mf->captured != 0) {
157 			if (idx <= 1)
158 				hit--;
159 			else
160 				hit -= 2;
161 		}
162 		hit += AMMO[idx][load - 1];
163 		if (((temp = mc->class) >= 5 || temp == 1) && windspeed == 5)
164 			hit--;
165 		if (windspeed == 6 && temp == 4)
166 			hit -= 2;
167 		if (windspeed == 6 && temp <= 3)
168 			hit--;
169 		if (hit >= 0) {
170 			roll = die();
171 			if (load == L_GRAPE)
172 				chits = hit;
173 			else {
174 				struct Tables *t;
175 				if (hit > 10)
176 					hit = 10;
177 				t = &(shootat == RIGGING ? RigTable : HullTable)
178 					[hit][roll-1];
179 				chits = t->C;
180 				rhits = t->R;
181 				hhits = t->H;
182 				ghits = t->G;
183 				if (closest->file->FS)
184 					rhits *= 2;
185 				if (load == L_CHAIN) {
186 					ghits = 0;
187 					hhits = 0;
188 				}
189 			}
190 			table(shootat, load, hit, closest, ms, roll);
191 		}
192 		Signal("Damage inflicted on the %s:",
193 			NULL, closest->shipname);
194 		Signal("\t%d HULL, %d GUNS, %d CREW, %d RIGGING",
195 			NULL, hhits, ghits, chits, rhits);
196 		if (!r) {
197 			mf->loadL = L_EMPTY;
198 			mf->readyL = R_EMPTY;
199 		} else {
200 			mf->loadR = L_EMPTY;
201 			mf->readyR = R_EMPTY;
202 		}
203 		continue;
204 	cant:
205 		Signal("Unable to fire %s broadside",
206 			NULL, r ? "right" : "left");
207 	}
208 	blockalarm();
209 	draw_stat();
210 	unblockalarm();
211 }
212 
213 void
214 grapungrap(void)
215 {
216 	struct ship *sp;
217 	int i;
218 
219 	foreachship(sp) {
220 		if (sp == ms || sp->file->dir == 0)
221 			continue;
222 		if (range(ms, sp) > 1 && !grappled2(ms, sp))
223 			continue;
224 		switch (sgetch("Attempt to grapple or ungrapple %s (%c%c): ",
225 			sp, 1)) {
226 		case 'g':
227 			if (die() < 3
228 			    || ms->nationality == capship(sp)->nationality) {
229 				Write(W_GRAP, ms, sp->file->index, 0, 0, 0);
230 				Write(W_GRAP, sp, player, 0, 0, 0);
231 				Signal("Attempt succeeds!", NULL);
232 				makesignal(ms, "grappled with %s (%c%c)", sp);
233 			} else
234 				Signal("Attempt fails.", NULL);
235 			break;
236 		case 'u':
237 			for (i = grappled2(ms, sp); --i >= 0;) {
238 				if (ms->nationality
239 					== capship(sp)->nationality
240 				    || die() < 3) {
241 					cleangrapple(ms, sp, 0);
242 					Signal("Attempt succeeds!",
243 						NULL);
244 					makesignal(ms,
245 						"ungrappling with %s (%c%c)",
246 						sp);
247 				} else
248 					Signal("Attempt fails.",
249 						NULL);
250 			}
251 			break;
252 		}
253 	}
254 }
255 
256 void
257 unfoulplayer(void)
258 {
259 	struct ship *to;
260 	int i;
261 
262 	foreachship(to) {
263 		if (fouled2(ms, to) == 0)
264 			continue;
265 		if (sgetch("Attempt to unfoul with the %s (%c%c)? ", to, 1) != 'y')
266 			continue;
267 		for (i = fouled2(ms, to); --i >= 0;) {
268 			if (die() <= 2) {
269 				cleanfoul(ms, to, 0);
270 				Signal("Attempt succeeds!", NULL);
271 				makesignal(ms, "Unfouling %s (%c%c)", to);
272 			} else
273 				Signal("Attempt fails.", NULL);
274 		}
275 	}
276 }
277