File: | src/games/sail/assorted.c |
Warning: | line 98, column 3 Value stored to 'rhits' is never read |
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1 | /* $OpenBSD: assorted.c,v 1.8 2016/01/08 20:26:33 mestre Exp $ */ |
2 | /* $NetBSD: assorted.c,v 1.3 1995/04/22 10:36:45 cgd Exp $ */ |
3 | |
4 | /* |
5 | * Copyright (c) 1983, 1993 |
6 | * The Regents of the University of California. All rights reserved. |
7 | * |
8 | * Redistribution and use in source and binary forms, with or without |
9 | * modification, are permitted provided that the following conditions |
10 | * are met: |
11 | * 1. Redistributions of source code must retain the above copyright |
12 | * notice, this list of conditions and the following disclaimer. |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
14 | * notice, this list of conditions and the following disclaimer in the |
15 | * documentation and/or other materials provided with the distribution. |
16 | * 3. Neither the name of the University nor the names of its contributors |
17 | * may be used to endorse or promote products derived from this software |
18 | * without specific prior written permission. |
19 | * |
20 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
21 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
22 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
23 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
24 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
25 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
26 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
27 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
28 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
29 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
30 | * SUCH DAMAGE. |
31 | */ |
32 | |
33 | #include <err.h> |
34 | #include <stdlib.h> |
35 | |
36 | #include "extern.h" |
37 | |
38 | static void strike(struct ship *, struct ship *); |
39 | |
40 | void |
41 | table(int rig, int shot, int hittable, struct ship *on, struct ship *from, |
42 | int 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 | const char *message; |
51 | const 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_GRAPE1) |
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_CHAIN2) { |
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]; |
Value stored to 'rhits' is never read | |
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 | makemsg(on, "dismasted!"); |
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_GUNR11 : W_GUNL10, |
129 | on, guns, car, 0, 0); |
130 | hull -= hhits; |
131 | hull = hull < 0 ? 0 : hull; |
132 | if (on->file->captured != 0 && Chit) |
133 | Write(W_PCREW15, on, pc, 0, 0, 0); |
134 | if (Hhit) |
135 | Write(W_HULL12, on, hull, 0, 0, 0); |
136 | if (Chit) |
137 | Write(W_CREW4, on, crew[0], crew[1], crew[2], 0); |
138 | if (Rhit) |
139 | Write(W_RIGG20, on, rigg[0], rigg[1], rigg[2], rigg[3]); |
140 | switch (shot) { |
141 | case L_ROUND3: |
142 | message = "firing round shot on $$"; |
143 | break; |
144 | case L_GRAPE1: |
145 | message = "firing grape shot on $$"; |
146 | break; |
147 | case L_CHAIN2: |
148 | message = "firing chain shot on $$"; |
149 | break; |
150 | case L_DOUBLE4: |
151 | message = "firing double shot on $$"; |
152 | break; |
153 | case L_EXPLODE5: |
154 | message = "exploding shot on $$"; |
155 | break; |
156 | default: |
157 | errx(1, "Unknown shot type %d", shot); |
158 | } |
159 | makesignal(from, "%s", on, message); |
160 | if (roll == 6 && rig) { |
161 | switch(Rhit) { |
162 | case 0: |
163 | message = "fore topsail sheets parted"; |
164 | break; |
165 | case 1: |
166 | message = "mizzen shrouds parted"; |
167 | break; |
168 | case 2: |
169 | message = "main topsail yard shot away"; |
170 | break; |
171 | case 4: |
172 | message = "fore topmast and foremast shrouds shot away"; |
173 | break; |
174 | case 5: |
175 | message = "mizzen mast and yard shot through"; |
176 | break; |
177 | case 6: |
178 | message = "foremast and spritsail yard shattered"; |
179 | break; |
180 | case 7: |
181 | message = "main topmast and mizzen mast shattered"; |
182 | break; |
183 | default: |
184 | errx(1, "Bad Rhit = %d", Rhit); |
185 | } |
186 | makemsg(on, "%s", message); |
187 | } else if (roll == 6) { |
188 | switch (Hhit) { |
189 | case 0: |
190 | message = "anchor cables severed"; |
191 | break; |
192 | case 1: |
193 | message = "two anchor stocks shot away"; |
194 | break; |
195 | case 2: |
196 | message = "quarterdeck bulwarks damaged"; |
197 | break; |
198 | case 3: |
199 | message = "three gun ports shot away"; |
200 | break; |
201 | case 4: |
202 | message = "four guns dismounted"; |
203 | break; |
204 | case 5: |
205 | message = "rudder cables shot through"; |
206 | Write(W_TA27, on, 0, 0, 0, 0); |
207 | break; |
208 | case 6: |
209 | message = "shot holes below the water line"; |
210 | break; |
211 | default: |
212 | errx(1, "Bad Hhit = %d", Hhit); |
213 | } |
214 | makemsg(on, "%s", message); |
215 | } |
216 | /* |
217 | if (Chit > 1 && on->file->readyL&R_INITIAL && on->file->readyR&R_INITIAL) { |
218 | on->specs->qual--; |
219 | if (on->specs->qual <= 0) { |
220 | makemsg(on, "crew mutinying!"); |
221 | on->specs->qual = 5; |
222 | Write(W_CAPTURED, on, on->file->index, 0, 0, 0); |
223 | } else |
224 | makemsg(on, "crew demoralized"); |
225 | Write(W_QUAL, on, on->specs->qual, 0, 0, 0); |
226 | } |
227 | */ |
228 | if (!hull) |
229 | strike(on, from); |
230 | } |
231 | |
232 | void |
233 | Cleansnag(struct ship *from, struct ship *to, int all, int flag) |
234 | { |
235 | if (flag & 1) { |
236 | Write(W_UNGRAP19, from, to->file->index, all, 0, 0); |
237 | Write(W_UNGRAP19, to, from->file->index, all, 0, 0); |
238 | } |
239 | if (flag & 2) { |
240 | Write(W_UNFOUL16, from, to->file->index, all, 0, 0); |
241 | Write(W_UNFOUL16, to, from->file->index, all, 0, 0); |
242 | } |
243 | if (!snagged2(from, to)(((from)->file->grap[(to)->file->index].sn_count) + ((from)->file->foul[(to)->file->index].sn_count ))) { |
244 | if (!snagged(from)(((from)->file->ngrap) + ((from)->file->nfoul))) { |
245 | unboard(from, from, 1); /* defense */ |
246 | unboard(from, from, 0); /* defense */ |
247 | } else |
248 | unboard(from, to, 0); /* offense */ |
249 | if (!snagged(to)(((to)->file->ngrap) + ((to)->file->nfoul))) { |
250 | unboard(to, to, 1); /* defense */ |
251 | unboard(to, to, 0); /* defense */ |
252 | } else |
253 | unboard(to, from, 0); /* offense */ |
254 | } |
255 | } |
256 | |
257 | static void |
258 | strike(struct ship *ship, struct ship *from) |
259 | { |
260 | int points; |
261 | |
262 | if (ship->file->struck) |
263 | return; |
264 | Write(W_STRUCK26, ship, 1, 0, 0, 0); |
265 | points = ship->specs->pts + from->file->points; |
266 | Write(W_POINTS17, from, points, 0, 0, 0); |
267 | unboard(ship, ship, 0); /* all offense */ |
268 | unboard(ship, ship, 1); /* all defense */ |
269 | switch (die()(arc4random_uniform(6) + 1)) { |
270 | case 3: |
271 | case 4: /* ship may sink */ |
272 | Write(W_SINK25, ship, 1, 0, 0, 0); |
273 | break; |
274 | case 5: |
275 | case 6: /* ship may explode */ |
276 | Write(W_EXPLODE7, ship, 1, 0, 0, 0); |
277 | break; |
278 | } |
279 | Writestr(W_SIGNAL24, ship, "striking her colours!"); |
280 | } |