1/* $NetBSD: pl_3.c,v 1.19 2009/03/14 22:52:52 dholland Exp $ */ 2 3/* 4 * Copyright (c) 1983, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32#include <sys/cdefs.h> 33#ifndef lint 34#if 0 35static char sccsid[] = "@(#)pl_3.c 8.1 (Berkeley) 5/31/93"; 36#else 37__RCSID("$NetBSD: pl_3.c,v 1.19 2009/03/14 22:52:52 dholland Exp $"); 38#endif 39#endif /* not lint */ 40 41#include <signal.h> 42#include <stdlib.h> 43#include "extern.h" 44#include "player.h" 45 46void 47acceptcombat(void) 48{ 49 int men = 0; 50 int target, temp; 51 int n, r; 52 int index, rakehim, sternrake; 53 int hhits = 0, ghits = 0, rhits = 0, chits = 0; 54 int crew[3]; 55 int load; 56 int guns, car, ready, shootat, hit; 57 int roll; 58 struct ship *closest; 59 60 crew[0] = mc->crew1; 61 crew[1] = mc->crew2; 62 crew[2] = mc->crew3; 63 for (n = 0; n < 3; n++) { 64 if (mf->OBP[n].turnsent) 65 men += mf->OBP[n].mensent; 66 } 67 for (n = 0; n < 3; n++) { 68 if (mf->DBP[n].turnsent) 69 men += mf->DBP[n].mensent; 70 } 71 if (men) { 72 crew[0] = men/100 ? 0 : crew[0] != 0; 73 crew[1] = (men%100)/10 ? 0 : crew[1] != 0; 74 crew[2] = men%10 ? 0 : crew[2] != 0; 75 } 76 for (r = 0; r < 2; r++) { 77 if (r) { 78 ready = mf->readyR; 79 load = mf->loadR; 80 guns = mc->gunR; 81 car = mc->carR; 82 } else { 83 ready = mf->readyL; 84 load = mf->loadL; 85 guns = mc->gunL; 86 car = mc->carL; 87 } 88 if ((!guns && !car) || load == L_EMPTY || 89 (ready & R_LOADED) == 0) 90 goto cant; 91 if (mf->struck || !crew[2]) 92 goto cant; 93 closest = closestenemy(ms, (r ? 'r' : 'l'), 1); 94 if (closest == 0) 95 goto cant; 96 if (closest->file->struck) 97 goto cant; 98 target = range(ms, closest); 99 if (target > rangeofshot[load] || (!guns && target >= 3)) 100 goto cant; 101 Signal("$$ within range of %s broadside.", 102 closest, r ? "right" : "left"); 103 if (load > L_CHAIN && target < 6) { 104 switch (sgetch("Aim for hull or rigging? ", 105 (struct ship *)0, 1)) { 106 case 'r': 107 shootat = RIGGING; 108 break; 109 case 'h': 110 shootat = HULL; 111 break; 112 default: 113 shootat = -1; 114 Msg("'Avast there! Hold your fire.'"); 115 } 116 } else { 117 if (sgetch("Fire? ", (struct ship *)0, 1) == 'n') { 118 shootat = -1; 119 Msg("Belay that! Hold your fire."); 120 } else 121 shootat = RIGGING; 122 } 123 if (shootat == -1) 124 continue; 125 fired = 1; 126 rakehim = gunsbear(ms, closest) && !gunsbear(closest, ms); 127 temp = portside(closest, ms, 1) - closest->file->dir + 1; 128 if (temp < 1) 129 temp += 8; 130 else if (temp > 8) 131 temp -= 8; 132 sternrake = temp > 4 && temp < 6; 133 if (rakehim) { 134 if (!sternrake) 135 Msg("Raking the %s!", closest->shipname); 136 else 137 Msg("Stern Rake! %s splintering!", 138 closest->shipname); 139 } 140 index = guns; 141 if (target < 3) 142 index += car; 143 index = (index - 1)/3; 144 index = index > 8 ? 8 : index; 145 if (!rakehim) 146 hit = HDT[index][target-1]; 147 else 148 hit = HDTrake[index][target-1]; 149 if (rakehim && sternrake) 150 hit++; 151 hit += QUAL[index][mc->qual-1]; 152 for (n = 0; n < 3 && mf->captured == 0; n++) 153 if (!crew[n]) { 154 if (index <= 5) 155 hit--; 156 else 157 hit -= 2; 158 } 159 if (ready & R_INITIAL) { 160 if (index <= 3) 161 hit++; 162 else 163 hit += 2; 164 } 165 if (mf->captured != 0) { 166 if (index <= 1) 167 hit--; 168 else 169 hit -= 2; 170 } 171 hit += AMMO[index][load - 1]; 172 if (((temp = mc->class) >= 5 || temp == 1) && windspeed == 5) 173 hit--; 174 if (windspeed == 6 && temp == 4) 175 hit -= 2; 176 if (windspeed == 6 && temp <= 3) 177 hit--; 178 if (hit >= 0) { 179 roll = dieroll(); 180 if (load == L_GRAPE) 181 chits = hit; 182 else { 183 const struct Tables *t; 184 if (hit > 10) 185 hit = 10; 186 t = &(shootat == RIGGING ? RigTable : HullTable) 187 [hit][roll-1]; 188 chits = t->C; 189 rhits = t->R; 190 hhits = t->H; 191 ghits = t->G; 192 if (closest->file->FS) 193 rhits *= 2; 194 if (load == L_CHAIN) { 195 ghits = 0; 196 hhits = 0; 197 } 198 } 199 table(ms, closest, shootat, load, hit, roll); 200 } 201 Msg("Damage inflicted on the %s:", closest->shipname); 202 Msg("\t%d HULL, %d GUNS, %d CREW, %d RIGGING", 203 hhits, ghits, chits, rhits); 204 if (!r) { 205 mf->loadL = L_EMPTY; 206 mf->readyL = R_EMPTY; 207 } else { 208 mf->loadR = L_EMPTY; 209 mf->readyR = R_EMPTY; 210 } 211 continue; 212 cant: 213 Msg("Unable to fire %s broadside", r ? "right" : "left"); 214 } 215} 216 217void 218grapungrap(void) 219{ 220 struct ship *sp; 221 int i; 222 223 foreachship(sp) { 224 if (sp == ms || sp->file->dir == 0) 225 continue; 226 if (range(ms, sp) > 1 && !grappled2(ms, sp)) 227 continue; 228 switch (sgetch("Attempt to grapple or ungrapple $$: ", 229 sp, 1)) { 230 case 'g': 231 if (dieroll() < 3 232 || ms->nationality == capship(sp)->nationality) { 233 send_grap(ms, sp->file->index); 234 send_grap(sp, player); 235 Msg("Attempt succeeds!"); 236 makesignal(ms, "grappled with $$", sp); 237 } else 238 Msg("Attempt fails."); 239 break; 240 case 'u': 241 for (i = grappled2(ms, sp); --i >= 0;) { 242 if (ms->nationality 243 == capship(sp)->nationality 244 || dieroll() < 3) { 245 cleangrapple(ms, sp, 0); 246 Msg("Attempt succeeds!"); 247 makesignal(ms, "ungrappling with $$", 248 sp); 249 } else 250 Msg("Attempt fails."); 251 } 252 break; 253 } 254 } 255} 256 257void 258unfoulplayer(void) 259{ 260 struct ship *to; 261 int i; 262 263 foreachship(to) { 264 if (fouled2(ms, to) == 0) 265 continue; 266 if (sgetch("Attempt to unfoul with the $$? ", to, 1) != 'y') 267 continue; 268 for (i = fouled2(ms, to); --i >= 0;) { 269 if (dieroll() <= 2) { 270 cleanfoul(ms, to, 0); 271 Msg("Attempt succeeds!"); 272 makesignal(ms, "Unfouling $$", to); 273 } else 274 Msg("Attempt fails."); 275 } 276 } 277} 278