xref: /dragonfly/games/sail/assorted.c (revision 1de703da)
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  * @(#)assorted.c	8.1 (Berkeley) 5/31/93
34  * $FreeBSD: src/games/sail/assorted.c,v 1.5 1999/11/30 03:49:31 billf Exp $
35  * $DragonFly: src/games/sail/assorted.c,v 1.2 2003/06/17 04:25:25 dillon Exp $
36  */
37 
38 #include "externs.h"
39 
40 table(rig, shot, hittable, on, from, roll)
41 struct ship *on, *from;
42 int rig, shot, hittable, roll;
43 {
44 	int hhits = 0, chits = 0, ghits = 0, rhits = 0;
45 	int Ghit = 0, Hhit = 0, Rhit = 0, Chit = 0;
46 	int guns, car, pc, hull;
47 	int crew[3];
48 	int n;
49 	int rigg[4];
50 	char *message;
51 	struct Tables *tp;
52 
53 	pc = on->file->pcrew;
54 	hull = on->specs->hull;
55 	crew[0] = on->specs->crew1;
56 	crew[1] = on->specs->crew2;
57 	crew[2] = on->specs->crew3;
58 	rigg[0] = on->specs->rig1;
59 	rigg[1] = on->specs->rig2;
60 	rigg[2] = on->specs->rig3;
61 	rigg[3] = on->specs->rig4;
62 	if (shot == L_GRAPE)
63 		Chit = chits = hittable;
64 	else {
65 		tp = &(rig ? RigTable : HullTable)[hittable][roll-1];
66 		Chit = chits = tp->C;
67 		Rhit = rhits = tp->R;
68 		Hhit = hhits = tp->H;
69 		Ghit = ghits = tp->G;
70 		if (on->file->FS)
71 			rhits *= 2;
72 		if (shot == L_CHAIN) {
73 			Ghit = ghits = 0;
74 			Hhit = hhits = 0;
75 		}
76 	}
77 	if (on->file->captured != 0) {
78 		pc -= (chits + 1) / 2;
79 		chits /= 2;
80 	}
81 	for (n = 0; n < 3; n++)
82 		if (chits > crew[n]) {
83 			chits -= crew[n];
84 			crew[n] = 0;
85 		} else {
86 			crew[n] -= chits;
87 			chits = 0;
88 		}
89 	for (n = 0; n < 3; n++)
90 		if (rhits > rigg[n]){
91 			rhits -= rigg[n];
92 			rigg[n] = 0;
93 		} else {
94 			rigg[n] -= rhits;
95 			rhits = 0;
96 		}
97 	if (rigg[3] != -1 && rhits > rigg[3]) {
98 		rhits -= rigg[3];
99 		rigg[3] = 0;
100 	} else if (rigg[3] != -1) {
101 		rigg[3] -= rhits;
102 	}
103 	if (rig && !rigg[2] && (!rigg[3] || rigg[3] == -1))
104 		makesignal(on, "dismasted!", (struct ship *)0);
105 	if (portside(from, on, 0)) {
106 		guns = on->specs->gunR;
107 		car = on->specs->carR;
108 	} else {
109 		guns = on->specs->gunL;
110 		car = on->specs->carL;
111 	}
112 	if (ghits > car) {
113 		ghits -= car;
114 		car = 0;
115 	} else {
116 		car -= ghits;
117 		ghits = 0;
118 	}
119 	if (ghits > guns){
120 		ghits -= guns;
121 		guns = 0;
122 	} else {
123 		guns -= ghits;
124 		ghits = 0;
125 	}
126 	hull -= ghits;
127 	if (Ghit)
128 		Write(portside(from, on, 0) ? W_GUNR : W_GUNL,
129 			on, 0, guns, car, 0, 0);
130 	hull -= hhits;
131 	hull = hull < 0 ? 0 : hull;
132 	if (on->file->captured != 0 && Chit)
133 		Write(W_PCREW, on, 0, pc, 0, 0, 0);
134 	if (Hhit)
135 		Write(W_HULL, on, 0, hull, 0, 0, 0);
136 	if (Chit)
137 		Write(W_CREW, on, 0, crew[0], crew[1], crew[2], 0);
138 	if (Rhit)
139 		Write(W_RIGG, on, 0, rigg[0], rigg[1], rigg[2], rigg[3]);
140 	switch (shot) {
141 	case L_ROUND:
142 		message = "firing round shot on %s (%c%c)";
143 		break;
144 	case L_GRAPE:
145 		message = "firing grape shot on %s (%c%c)";
146 		break;
147 	case L_CHAIN:
148 		message = "firing chain shot on %s (%c%c)";
149 		break;
150 	case L_DOUBLE:
151 		message = "firing double shot on %s (%c%c)";
152 		break;
153 	case L_EXPLODE:
154 		message = "exploding shot on %s (%c%c)";
155 	}
156 	makesignal(from, message, on);
157 	if (roll == 6 && rig) {
158 		switch(Rhit) {
159 		case 0:
160 			message = "fore topsail sheets parted";
161 			break;
162 		case 1:
163 			message = "mizzen shrouds parted";
164 			break;
165 		case 2:
166 			message = "main topsail yard shot away";
167 			break;
168 		case 4:
169 			message = "fore topmast and foremast shrouds shot away";
170 			break;
171 		case 5:
172 			message = "mizzen mast and yard shot through";
173 			break;
174 		case 6:
175 			message = "foremast and spritsail yard shattered";
176 			break;
177 		case 7:
178 			message = "main topmast and mizzen mast shattered";
179 			break;
180 		}
181 		makesignal(on, message, (struct ship *)0);
182 	} else if (roll == 6) {
183 		switch (Hhit) {
184 		case 0:
185 			message = "anchor cables severed";
186 			break;
187 		case 1:
188 			message = "two anchor stocks shot away";
189 			break;
190 		case 2:
191 			message = "quarterdeck bulwarks damaged";
192 			break;
193 		case 3:
194 			message = "three gun ports shot away";
195 			break;
196 		case 4:
197 			message = "four guns dismounted";
198 			break;
199 		case 5:
200 			message = "rudder cables shot through";
201 			Write(W_TA, on, 0, 0, 0, 0, 0);
202 			break;
203 		case 6:
204 			message = "shot holes below the water line";
205 			break;
206 		}
207 		makesignal(on, message, (struct ship *)0);
208 	}
209 	/*
210 	if (Chit > 1 && on->file->readyL&R_INITIAL && on->file->readyR&R_INITIAL) {
211 		on->specs->qual--;
212 		if (on->specs->qual <= 0) {
213 			makesignal(on, "crew mutinying!", (struct ship *)0);
214 			on->specs->qual = 5;
215 			Write(W_CAPTURED, on, 0, on->file->index, 0, 0, 0);
216 		} else
217 			makesignal(on, "crew demoralized", (struct ship *)0);
218 		Write(W_QUAL, on, 0, on->specs->qual, 0, 0, 0);
219 	}
220 	*/
221 	if (!hull)
222 		strike(on, from);
223 }
224 
225 Cleansnag(from, to, all, flag)
226 struct ship *from, *to;
227 char all, flag;
228 {
229 	if (flag & 1) {
230 		Write(W_UNGRAP, from, 0, to->file->index, all, 0, 0);
231 		Write(W_UNGRAP, to, 0, from->file->index, all, 0, 0);
232 	}
233 	if (flag & 2) {
234 		Write(W_UNFOUL, from, 0, to->file->index, all, 0, 0);
235 		Write(W_UNFOUL, to, 0, from->file->index, all, 0, 0);
236 	}
237 	if (!snagged2(from, to)) {
238 		if (!snagged(from)) {
239 			unboard(from, from, 1);		/* defense */
240 			unboard(from, from, 0);		/* defense */
241 		} else
242 			unboard(from, to, 0);		/* offense */
243 		if (!snagged(to)) {
244 			unboard(to, to, 1);		/* defense */
245 			unboard(to, to, 0);		/* defense */
246 		} else
247 			unboard(to, from, 0);		/* offense */
248 	}
249 }
250 
251 strike(ship, from)
252 struct ship *ship, *from;
253 {
254 	int points;
255 
256 	if (ship->file->struck)
257 		return;
258 	Write(W_STRUCK, ship, 0, 1, 0, 0, 0);
259 	points = ship->specs->pts + from->file->points;
260 	Write(W_POINTS, from, 0, points, 0, 0, 0);
261 	unboard(ship, ship, 0);		/* all offense */
262 	unboard(ship, ship, 1);		/* all defense */
263 	switch (die()) {
264 	case 3:
265 	case 4:		/* ship may sink */
266 		Write(W_SINK, ship, 0, 1, 0, 0, 0);
267 		break;
268 	case 5:
269 	case 6:		/* ship may explode */
270 		Write(W_EXPLODE, ship, 0, 1, 0, 0, 0);
271 		break;
272 	}
273 	Write(W_SIGNAL, ship, 1, (int) "striking her colours!", 0, 0, 0);
274 }
275