games/sail/pl_3.c

   1 /*      $NetBSD: pl_3.c,v 1.20 2009/03/15 03:33:56 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
  35 static char sccsid[] = "@(#)pl_3.c      8.1 (Berkeley) 5/31/93";
  36 #else
  37 __RCSID("$NetBSD: pl_3.c,v 1.20 2009/03/15 03:33:56 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
  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 ||
  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 == NULL)
  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
 217 void
 218 grapungrap(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
 257 void
 258 unfoulplayer(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 }