sail/pl_3.c

   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 }