1 /* $OpenBSD: pl_3.c,v 1.6 2016/01/08 20:26:33 mestre Exp $ */ 2 /* $NetBSD: pl_3.c,v 1.3 1995/04/22 10:37:09 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 <signal.h> 34 #include <stdlib.h> 35 36 #include "extern.h" 37 #include "machdep.h" 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 index, 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("$$ 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 (struct ship *)0, 1)) { 99 case 'r': 100 shootat = RIGGING; 101 break; 102 case 'h': 103 shootat = HULL; 104 break; 105 default: 106 shootat = -1; 107 Msg("'Avast there! Hold your fire.'"); 108 } 109 } else { 110 if (sgetch("Fire? ", (struct ship *)0, 1) == 'n') { 111 shootat = -1; 112 Msg("Belay that! Hold your fire."); 113 } else 114 shootat = RIGGING; 115 } 116 if (shootat == -1) 117 continue; 118 fired = 1; 119 rakehim = gunsbear(ms, closest) && !gunsbear(closest, ms); 120 temp = portside(closest, ms, 1) - closest->file->dir + 1; 121 if (temp < 1) 122 temp += 8; 123 else if (temp > 8) 124 temp -= 8; 125 sternrake = temp > 4 && temp < 6; 126 if (rakehim) { 127 if (!sternrake) 128 Msg("Raking the %s!", closest->shipname); 129 else 130 Msg("Stern Rake! %s splintering!", 131 closest->shipname); 132 } 133 index = guns; 134 if (target < 3) 135 index += car; 136 index = (index - 1)/3; 137 index = index > 8 ? 8 : index; 138 if (!rakehim) 139 hit = HDT[index][target-1]; 140 else 141 hit = HDTrake[index][target-1]; 142 if (rakehim && sternrake) 143 hit++; 144 hit += QUAL[index][mc->qual-1]; 145 for (n = 0; n < 3 && mf->captured == 0; n++) 146 if (!crew[n]) { 147 if (index <= 5) 148 hit--; 149 else 150 hit -= 2; 151 } 152 if (ready & R_INITIAL) { 153 if (index <= 3) 154 hit++; 155 else 156 hit += 2; 157 } 158 if (mf->captured != 0) { 159 if (index <= 1) 160 hit--; 161 else 162 hit -= 2; 163 } 164 hit += AMMO[index][load - 1]; 165 if (((temp = mc->class) >= 5 || temp == 1) && windspeed == 5) 166 hit--; 167 if (windspeed == 6 && temp == 4) 168 hit -= 2; 169 if (windspeed == 6 && temp <= 3) 170 hit--; 171 if (hit >= 0) { 172 roll = die(); 173 if (load == L_GRAPE) 174 chits = hit; 175 else { 176 const struct Tables *t; 177 if (hit > 10) 178 hit = 10; 179 t = &(shootat == RIGGING ? RigTable : HullTable) 180 [hit][roll-1]; 181 chits = t->C; 182 rhits = t->R; 183 hhits = t->H; 184 ghits = t->G; 185 if (closest->file->FS) 186 rhits *= 2; 187 if (load == L_CHAIN) { 188 ghits = 0; 189 hhits = 0; 190 } 191 } 192 table(shootat, load, hit, closest, ms, roll); 193 } 194 Msg("Damage inflicted on the %s:", closest->shipname); 195 Msg("\t%d HULL, %d GUNS, %d CREW, %d RIGGING", 196 hhits, ghits, chits, rhits); 197 if (!r) { 198 mf->loadL = L_EMPTY; 199 mf->readyL = R_EMPTY; 200 } else { 201 mf->loadR = L_EMPTY; 202 mf->readyR = R_EMPTY; 203 } 204 continue; 205 cant: 206 Msg("Unable to fire %s broadside", r ? "right" : "left"); 207 } 208 blockalarm(); 209 draw_stat(); 210 unblockalarm(); 211 } 212 213 void 214 grapungrap(void) 215 { 216 struct ship *sp; 217 int i; 218 219 foreachship(sp) { 220 if (sp == ms || sp->file->dir == 0) 221 continue; 222 if (range(ms, sp) > 1 && !grappled2(ms, sp)) 223 continue; 224 switch (sgetch("Attempt to grapple or ungrapple $$: ", 225 sp, 1)) { 226 case 'g': 227 if (die() < 3 228 || ms->nationality == capship(sp)->nationality) { 229 Write(W_GRAP, ms, sp->file->index, 0, 0, 0); 230 Write(W_GRAP, sp, player, 0, 0, 0); 231 Msg("Attempt succeeds!"); 232 makesignal(ms, "grappled with $$", sp); 233 } else 234 Msg("Attempt fails."); 235 break; 236 case 'u': 237 for (i = grappled2(ms, sp); --i >= 0;) { 238 if (ms->nationality 239 == capship(sp)->nationality 240 || die() < 3) { 241 cleangrapple(ms, sp, 0); 242 Msg("Attempt succeeds!"); 243 makesignal(ms, "ungrappling with $$", 244 sp); 245 } else 246 Msg("Attempt fails."); 247 } 248 break; 249 } 250 } 251 } 252 253 void 254 unfoulplayer(void) 255 { 256 struct ship *to; 257 int i; 258 259 foreachship(to) { 260 if (fouled2(ms, to) == 0) 261 continue; 262 if (sgetch("Attempt to unfoul with the $$? ", to, 1) != 'y') 263 continue; 264 for (i = fouled2(ms, to); --i >= 0;) { 265 if (die() <= 2) { 266 cleanfoul(ms, to, 0); 267 Msg("Attempt succeeds!"); 268 makesignal(ms, "Unfouling $$", to); 269 } else 270 Msg("Attempt fails."); 271 } 272 } 273 } 274