386BSD 0.1 development
[unix-history] / usr / othersrc / games / sail / assorted.c
CommitLineData
65717166
WJ
1/*
2 * Copyright (c) 1983 Regents of the University of California.
3 * 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
34#ifndef lint
35static char sccsid[] = "@(#)assorted.c 5.4 (Berkeley) 6/1/90";
36#endif /* not lint */
37
38#include "externs.h"
39
40table(rig, shot, hittable, on, from, roll)
41struct ship *on, *from;
42int rig, shot, hittable, roll;
43{
44 register 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 register 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
225Cleansnag(from, to, all, flag)
226register struct ship *from, *to;
227char 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
251strike(ship, from)
252register 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}