xref: /dragonfly/games/sail/pl_3.c (revision 99dd49c5)
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 1.3 2006/09/03 17:33:13 pavalos Exp $
36  */
37 
38 #include "player.h"
39 
40 void
41 acceptcombat(void)
42 {
43 	int men = 0;
44 	int target, temp;
45 	int n, r;
46 	int idx, rakehim, sternrake;
47 	int hhits = 0, ghits = 0, rhits = 0, chits = 0;
48 	int crew[3];
49 	int load;
50 	int guns, car, ready, shootat, hit;
51 	int roll;
52 	struct ship *closest;
53 
54 	crew[0] = mc->crew1;
55 	crew[1] = mc->crew2;
56 	crew[2] = mc->crew3;
57 	for (n = 0; n < 3; n++) {
58 		if (mf->OBP[n].turnsent)
59 			men += mf->OBP[n].mensent;
60 	}
61 	for (n = 0; n < 3; n++) {
62 		if (mf->DBP[n].turnsent)
63 			men += mf->DBP[n].mensent;
64 	}
65 	if (men) {
66 		crew[0] = men/100 ? 0 : crew[0] != 0;
67 		crew[1] = (men%100)/10 ? 0 : crew[1] != 0;
68 		crew[2] = men%10 ? 0 : crew[2] != 0;
69 	}
70 	for (r = 0; r < 2; r++) {
71 		if (r) {
72 			ready = mf->readyR;
73 			load = mf->loadR;
74 			guns = mc->gunR;
75 			car = mc->carR;
76 		} else {
77 			ready = mf->readyL;
78 			load = mf->loadL;
79 			guns = mc->gunL;
80 			car = mc->carL;
81 		}
82 		if ((!guns && !car) || load == L_EMPTY || (ready & R_LOADED) == 0)
83 			goto cant;
84 		if (mf->struck || !crew[2])
85 			goto cant;
86 		closest = closestenemy(ms, (r ? 'r' : 'l'), 1);
87 		if (closest == 0)
88 			goto cant;
89 		if (closest->file->struck)
90 			goto cant;
91 		target = range(ms, closest);
92 		if (target > rangeofshot[load] || (!guns && target >= 3))
93 			goto cant;
94 		Signal("%s (%c%c) within range of %s broadside.",
95 			closest, r ? "right" : "left");
96 		if (load > L_CHAIN && target < 6) {
97 			switch (sgetch("Aim for hull or rigging? ",
98 				NULL, 1)) {
99 			case 'r':
100 				shootat = RIGGING;
101 				break;
102 			case 'h':
103 				shootat = HULL;
104 				break;
105 			default:
106 				shootat = -1;
107 				Signal("'Avast there! Hold your fire.'",
108 					NULL);
109 			}
110 		} else {
111 			if (sgetch("Fire? ", NULL, 1) == 'n') {
112 				shootat = -1;
113 				Signal("Belay that! Hold your fire.",
114 					NULL);
115 			} else
116 				shootat = RIGGING;
117 		}
118 		if (shootat == -1)
119 			continue;
120 		fired = 1;
121 		rakehim = gunsbear(ms, closest) && !gunsbear(closest, ms);
122 		temp = portside(closest, ms, 1) - closest->file->dir + 1;
123 		if (temp < 1)
124 			temp += 8;
125 		else if (temp > 8)
126 			temp -= 8;
127 		sternrake = temp > 4 && temp < 6;
128 		if (rakehim) {
129 			if (!sternrake)
130 				Signal("Raking the %s!", closest);
131 			else
132 				Signal("Stern Rake! %s splintering!", closest);
133 		}
134 		idx = guns;
135 		if (target < 3)
136 			idx += car;
137 		idx = (idx - 1)/3;
138 		idx = idx > 8 ? 8 : idx;
139 		if (!rakehim)
140 			hit = HDT[idx][target-1];
141 		else
142 			hit = HDTrake[idx][target-1];
143 		if (rakehim && sternrake)
144 			hit++;
145 		hit += QUAL[idx][mc->qual-1];
146 		for (n = 0; n < 3 && mf->captured == 0; n++)
147 			if (!crew[n]) {
148 				if (idx <= 5)
149 					hit--;
150 				else
151 					hit -= 2;
152 			}
153 		if (ready & R_INITIAL) {
154 			if (idx <= 3)
155 				hit++;
156 			else
157 				hit += 2;
158 		}
159 		if (mf->captured != 0) {
160 			if (idx <= 1)
161 				hit--;
162 			else
163 				hit -= 2;
164 		}
165 		hit += AMMO[idx][load - 1];
166 		if (((temp = mc->class) >= 5 || temp == 1) && windspeed == 5)
167 			hit--;
168 		if (windspeed == 6 && temp == 4)
169 			hit -= 2;
170 		if (windspeed == 6 && temp <= 3)
171 			hit--;
172 		if (hit >= 0) {
173 			roll = die();
174 			if (load == L_GRAPE)
175 				chits = hit;
176 			else {
177 				struct Tables *t;
178 				if (hit > 10)
179 					hit = 10;
180 				t = &(shootat == RIGGING ? RigTable : HullTable)
181 					[hit][roll-1];
182 				chits = t->C;
183 				rhits = t->R;
184 				hhits = t->H;
185 				ghits = t->G;
186 				if (closest->file->FS)
187 					rhits *= 2;
188 				if (load == L_CHAIN) {
189 					ghits = 0;
190 					hhits = 0;
191 				}
192 			}
193 			table(shootat, load, hit, closest, ms, roll);
194 		}
195 		Signal("Damage inflicted on the %s:",
196 			NULL, closest->shipname);
197 		Signal("\t%d HULL, %d GUNS, %d CREW, %d RIGGING",
198 			NULL, hhits, ghits, chits, rhits);
199 		if (!r) {
200 			mf->loadL = L_EMPTY;
201 			mf->readyL = R_EMPTY;
202 		} else {
203 			mf->loadR = L_EMPTY;
204 			mf->readyR = R_EMPTY;
205 		}
206 		continue;
207 	cant:
208 		Signal("Unable to fire %s broadside",
209 			NULL, r ? "right" : "left");
210 	}
211 	blockalarm();
212 	draw_stat();
213 	unblockalarm();
214 }
215 
216 void
217 grapungrap(void)
218 {
219 	struct ship *sp;
220 	int i;
221 
222 	foreachship(sp) {
223 		if (sp == ms || sp->file->dir == 0)
224 			continue;
225 		if (range(ms, sp) > 1 && !grappled2(ms, sp))
226 			continue;
227 		switch (sgetch("Attempt to grapple or ungrapple %s (%c%c): ",
228 			sp, 1)) {
229 		case 'g':
230 			if (die() < 3
231 			    || ms->nationality == capship(sp)->nationality) {
232 				Write(W_GRAP, ms, sp->file->index, 0, 0, 0);
233 				Write(W_GRAP, sp, player, 0, 0, 0);
234 				Signal("Attempt succeeds!", NULL);
235 				makesignal(ms, "grappled with %s (%c%c)", sp);
236 			} else
237 				Signal("Attempt fails.", NULL);
238 			break;
239 		case 'u':
240 			for (i = grappled2(ms, sp); --i >= 0;) {
241 				if (ms->nationality
242 					== capship(sp)->nationality
243 				    || die() < 3) {
244 					cleangrapple(ms, sp, 0);
245 					Signal("Attempt succeeds!",
246 						NULL);
247 					makesignal(ms,
248 						"ungrappling with %s (%c%c)",
249 						sp);
250 				} else
251 					Signal("Attempt fails.",
252 						NULL);
253 			}
254 			break;
255 		}
256 	}
257 }
258 
259 void
260 unfoulplayer(void)
261 {
262 	struct ship *to;
263 	int i;
264 
265 	foreachship(to) {
266 		if (fouled2(ms, to) == 0)
267 			continue;
268 		if (sgetch("Attempt to unfoul with the %s (%c%c)? ", to, 1) != 'y')
269 			continue;
270 		for (i = fouled2(ms, to); --i >= 0;) {
271 			if (die() <= 2) {
272 				cleanfoul(ms, to, 0);
273 				Signal("Attempt succeeds!", NULL);
274 				makesignal(ms, "Unfouling %s (%c%c)", to);
275 			} else
276 				Signal("Attempt fails.", NULL);
277 		}
278 	}
279 }
280