1 /* $NetBSD: pl_3.c,v 1.17 2003/08/07 09:37:43 agc 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 35 static char sccsid[] = "@(#)pl_3.c 8.1 (Berkeley) 5/31/93"; 36 #else 37 __RCSID("$NetBSD: pl_3.c,v 1.17 2003/08/07 09:37:43 agc 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 46 void 47 acceptcombat(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 || (ready & R_LOADED) == 0) 89 goto cant; 90 if (mf->struck || !crew[2]) 91 goto cant; 92 closest = closestenemy(ms, (r ? 'r' : 'l'), 1); 93 if (closest == 0) 94 goto cant; 95 if (closest->file->struck) 96 goto cant; 97 target = range(ms, closest); 98 if (target > rangeofshot[load] || (!guns && target >= 3)) 99 goto cant; 100 Signal("$$ within range of %s broadside.", 101 closest, r ? "right" : "left"); 102 if (load > L_CHAIN && target < 6) { 103 switch (sgetch("Aim for hull or rigging? ", 104 (struct ship *)0, 1)) { 105 case 'r': 106 shootat = RIGGING; 107 break; 108 case 'h': 109 shootat = HULL; 110 break; 111 default: 112 shootat = -1; 113 Msg("'Avast there! Hold your fire.'"); 114 } 115 } else { 116 if (sgetch("Fire? ", (struct ship *)0, 1) == 'n') { 117 shootat = -1; 118 Msg("Belay that! Hold your fire."); 119 } else 120 shootat = RIGGING; 121 } 122 if (shootat == -1) 123 continue; 124 fired = 1; 125 rakehim = gunsbear(ms, closest) && !gunsbear(closest, ms); 126 temp = portside(closest, ms, 1) - closest->file->dir + 1; 127 if (temp < 1) 128 temp += 8; 129 else if (temp > 8) 130 temp -= 8; 131 sternrake = temp > 4 && temp < 6; 132 if (rakehim) { 133 if (!sternrake) 134 Msg("Raking the %s!", closest->shipname); 135 else 136 Msg("Stern Rake! %s splintering!", 137 closest->shipname); 138 } 139 index = guns; 140 if (target < 3) 141 index += car; 142 index = (index - 1)/3; 143 index = index > 8 ? 8 : index; 144 if (!rakehim) 145 hit = HDT[index][target-1]; 146 else 147 hit = HDTrake[index][target-1]; 148 if (rakehim && sternrake) 149 hit++; 150 hit += QUAL[index][mc->qual-1]; 151 for (n = 0; n < 3 && mf->captured == 0; n++) 152 if (!crew[n]) { 153 if (index <= 5) 154 hit--; 155 else 156 hit -= 2; 157 } 158 if (ready & R_INITIAL) { 159 if (index <= 3) 160 hit++; 161 else 162 hit += 2; 163 } 164 if (mf->captured != 0) { 165 if (index <= 1) 166 hit--; 167 else 168 hit -= 2; 169 } 170 hit += AMMO[index][load - 1]; 171 if (((temp = mc->class) >= 5 || temp == 1) && windspeed == 5) 172 hit--; 173 if (windspeed == 6 && temp == 4) 174 hit -= 2; 175 if (windspeed == 6 && temp <= 3) 176 hit--; 177 if (hit >= 0) { 178 roll = dieroll(); 179 if (load == L_GRAPE) 180 chits = hit; 181 else { 182 const struct Tables *t; 183 if (hit > 10) 184 hit = 10; 185 t = &(shootat == RIGGING ? RigTable : HullTable) 186 [hit][roll-1]; 187 chits = t->C; 188 rhits = t->R; 189 hhits = t->H; 190 ghits = t->G; 191 if (closest->file->FS) 192 rhits *= 2; 193 if (load == L_CHAIN) { 194 ghits = 0; 195 hhits = 0; 196 } 197 } 198 table(ms, closest, shootat, load, hit, roll); 199 } 200 Msg("Damage inflicted on the %s:", closest->shipname); 201 Msg("\t%d HULL, %d GUNS, %d CREW, %d RIGGING", 202 hhits, ghits, chits, rhits); 203 if (!r) { 204 mf->loadL = L_EMPTY; 205 mf->readyL = R_EMPTY; 206 } else { 207 mf->loadR = L_EMPTY; 208 mf->readyR = R_EMPTY; 209 } 210 continue; 211 cant: 212 Msg("Unable to fire %s broadside", r ? "right" : "left"); 213 } 214 blockalarm(); 215 draw_stat(); 216 unblockalarm(); 217 } 218 219 void 220 grapungrap(void) 221 { 222 struct ship *sp; 223 int i; 224 225 foreachship(sp) { 226 if (sp == ms || sp->file->dir == 0) 227 continue; 228 if (range(ms, sp) > 1 && !grappled2(ms, sp)) 229 continue; 230 switch (sgetch("Attempt to grapple or ungrapple $$: ", 231 sp, 1)) { 232 case 'g': 233 if (dieroll() < 3 234 || ms->nationality == capship(sp)->nationality) { 235 Write(W_GRAP, ms, sp->file->index, 0, 0, 0); 236 Write(W_GRAP, sp, player, 0, 0, 0); 237 Msg("Attempt succeeds!"); 238 makesignal(ms, "grappled with $$", sp); 239 } else 240 Msg("Attempt fails."); 241 break; 242 case 'u': 243 for (i = grappled2(ms, sp); --i >= 0;) { 244 if (ms->nationality 245 == capship(sp)->nationality 246 || dieroll() < 3) { 247 cleangrapple(ms, sp, 0); 248 Msg("Attempt succeeds!"); 249 makesignal(ms, "ungrappling with $$", 250 sp); 251 } else 252 Msg("Attempt fails."); 253 } 254 break; 255 } 256 } 257 } 258 259 void 260 unfoulplayer(void) 261 { 262 struct ship *to; 263 int i; 264 265 foreachship(to) { 266 if (fouled2(ms, to) == 0) 267 continue; 268 if (sgetch("Attempt to unfoul with the $$? ", to, 1) != 'y') 269 continue; 270 for (i = fouled2(ms, to); --i >= 0;) { 271 if (dieroll() <= 2) { 272 cleanfoul(ms, to, 0); 273 Msg("Attempt succeeds!"); 274 makesignal(ms, "Unfouling $$", to); 275 } else 276 Msg("Attempt fails."); 277 } 278 } 279 } 280