xref: /dragonfly/games/sail/pl_3.c (revision b40e316c)
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. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *	This product includes software developed by the University of
16  *	California, Berkeley and its contributors.
17  * 4. Neither the name of the University nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  *
33  * @(#)pl_3.c	8.1 (Berkeley) 5/31/93
34  * $FreeBSD: src/games/sail/pl_3.c,v 1.6 1999/11/30 03:49:37 billf Exp $
35  * $DragonFly: src/games/sail/pl_3.c,v 1.2 2003/06/17 04:25:25 dillon Exp $
36  */
37 
38 #include "player.h"
39 
40 acceptcombat()
41 {
42 	int men = 0;
43 	int target, temp;
44 	int n, r;
45 	int index, rakehim, sternrake;
46 	int hhits = 0, ghits = 0, rhits = 0, chits = 0;
47 	int crew[3];
48 	int load;
49 	int guns, car, ready, shootat, hit;
50 	int roll;
51 	struct ship *closest;
52 
53 	crew[0] = mc->crew1;
54 	crew[1] = mc->crew2;
55 	crew[2] = mc->crew3;
56 	for (n = 0; n < 3; n++) {
57 		if (mf->OBP[n].turnsent)
58 			men += mf->OBP[n].mensent;
59 	}
60 	for (n = 0; n < 3; n++) {
61 		if (mf->DBP[n].turnsent)
62 			men += mf->DBP[n].mensent;
63 	}
64 	if (men) {
65 		crew[0] = men/100 ? 0 : crew[0] != 0;
66 		crew[1] = (men%100)/10 ? 0 : crew[1] != 0;
67 		crew[2] = men%10 ? 0 : crew[2] != 0;
68 	}
69 	for (r = 0; r < 2; r++) {
70 		if (r) {
71 			ready = mf->readyR;
72 			load = mf->loadR;
73 			guns = mc->gunR;
74 			car = mc->carR;
75 		} else {
76 			ready = mf->readyL;
77 			load = mf->loadL;
78 			guns = mc->gunL;
79 			car = mc->carL;
80 		}
81 		if (!guns && !car || load == L_EMPTY || (ready & R_LOADED) == 0)
82 			goto cant;
83 		if (mf->struck || !crew[2])
84 			goto cant;
85 		closest = closestenemy(ms, (r ? 'r' : 'l'), 1);
86 		if (closest == 0)
87 			goto cant;
88 		if (closest->file->struck)
89 			goto cant;
90 		target = range(ms, closest);
91 		if (target > rangeofshot[load] || !guns && target >= 3)
92 			goto cant;
93 		Signal("%s (%c%c) within range of %s broadside.",
94 			closest, r ? "right" : "left");
95 		if (load > L_CHAIN && target < 6) {
96 			switch (sgetch("Aim for hull or rigging? ",
97 				(struct ship *)0, 1)) {
98 			case 'r':
99 				shootat = RIGGING;
100 				break;
101 			case 'h':
102 				shootat = HULL;
103 				break;
104 			default:
105 				shootat = -1;
106 				Signal("'Avast there! Hold your fire.'",
107 					(struct ship *)0);
108 			}
109 		} else {
110 			if (sgetch("Fire? ", (struct ship *)0, 1) == 'n') {
111 				shootat = -1;
112 				Signal("Belay that! Hold your fire.",
113 					(struct ship *)0);
114 			} else
115 				shootat = RIGGING;
116 		}
117 		if (shootat == -1)
118 			continue;
119 		fired = 1;
120 		rakehim = gunsbear(ms, closest) && !gunsbear(closest, ms);
121 		temp = portside(closest, ms, 1) - closest->file->dir + 1;
122 		if (temp < 1)
123 			temp += 8;
124 		else if (temp > 8)
125 			temp -= 8;
126 		sternrake = temp > 4 && temp < 6;
127 		if (rakehim) {
128 			if (!sternrake)
129 				Signal("Raking the %s!", closest);
130 			else
131 				Signal("Stern Rake! %s splintering!", closest);
132 		}
133 		index = guns;
134 		if (target < 3)
135 			index += car;
136 		index = (index - 1)/3;
137 		index = index > 8 ? 8 : index;
138 		if (!rakehim)
139 			hit = HDT[index][target-1];
140 		else
141 			hit = HDTrake[index][target-1];
142 		if (rakehim && sternrake)
143 			hit++;
144 		hit += QUAL[index][mc->qual-1];
145 		for (n = 0; n < 3 && mf->captured == 0; n++)
146 			if (!crew[n]) {
147 				if (index <= 5)
148 					hit--;
149 				else
150 					hit -= 2;
151 			}
152 		if (ready & R_INITIAL) {
153 			if (index <= 3)
154 				hit++;
155 			else
156 				hit += 2;
157 		}
158 		if (mf->captured != 0) {
159 			if (index <= 1)
160 				hit--;
161 			else
162 				hit -= 2;
163 		}
164 		hit += AMMO[index][load - 1];
165 		if (((temp = mc->class) >= 5 || temp == 1) && windspeed == 5)
166 			hit--;
167 		if (windspeed == 6 && temp == 4)
168 			hit -= 2;
169 		if (windspeed == 6 && temp <= 3)
170 			hit--;
171 		if (hit >= 0) {
172 			roll = die();
173 			if (load == L_GRAPE)
174 				chits = hit;
175 			else {
176 				struct Tables *t;
177 				if (hit > 10)
178 					hit = 10;
179 				t = &(shootat == RIGGING ? RigTable : HullTable)
180 					[hit][roll-1];
181 				chits = t->C;
182 				rhits = t->R;
183 				hhits = t->H;
184 				ghits = t->G;
185 				if (closest->file->FS)
186 					rhits *= 2;
187 				if (load == L_CHAIN) {
188 					ghits = 0;
189 					hhits = 0;
190 				}
191 			}
192 			table(shootat, load, hit, closest, ms, roll);
193 		}
194 		Signal("Damage inflicted on the %s:",
195 			(struct ship *)0, closest->shipname);
196 		Signal("\t%d HULL, %d GUNS, %d CREW, %d RIGGING",
197 			(struct ship *)0, hhits, ghits, chits, rhits);
198 		if (!r) {
199 			mf->loadL = L_EMPTY;
200 			mf->readyL = R_EMPTY;
201 		} else {
202 			mf->loadR = L_EMPTY;
203 			mf->readyR = R_EMPTY;
204 		}
205 		continue;
206 	cant:
207 		Signal("Unable to fire %s broadside",
208 			(struct ship *)0, r ? "right" : "left");
209 	}
210 	blockalarm();
211 	draw_stat();
212 	unblockalarm();
213 }
214 
215 grapungrap()
216 {
217 	struct ship *sp;
218 	int i;
219 
220 	foreachship(sp) {
221 		if (sp == ms || sp->file->dir == 0)
222 			continue;
223 		if (range(ms, sp) > 1 && !grappled2(ms, sp))
224 			continue;
225 		switch (sgetch("Attempt to grapple or ungrapple %s (%c%c): ",
226 			sp, 1)) {
227 		case 'g':
228 			if (die() < 3
229 			    || ms->nationality == capship(sp)->nationality) {
230 				Write(W_GRAP, ms, 0, sp->file->index, 0, 0, 0);
231 				Write(W_GRAP, sp, 0, player, 0, 0, 0);
232 				Signal("Attempt succeeds!", (struct ship *)0);
233 				makesignal(ms, "grappled with %s (%c%c)", sp);
234 			} else
235 				Signal("Attempt fails.", (struct ship *)0);
236 			break;
237 		case 'u':
238 			for (i = grappled2(ms, sp); --i >= 0;) {
239 				if (ms->nationality
240 					== capship(sp)->nationality
241 				    || die() < 3) {
242 					cleangrapple(ms, sp, 0);
243 					Signal("Attempt succeeds!",
244 						(struct ship *)0);
245 					makesignal(ms,
246 						"ungrappling with %s (%c%c)",
247 						sp);
248 				} else
249 					Signal("Attempt fails.",
250 						(struct ship *)0);
251 			}
252 			break;
253 		}
254 	}
255 }
256 
257 unfoulplayer()
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!", (struct ship *)0);
271 				makesignal(ms, "Unfouling %s (%c%c)", to);
272 			} else
273 				Signal("Attempt fails.", (struct ship *)0);
274 		}
275 	}
276 }
277