sail/pl_3.c

   1 /*      $NetBSD: pl_3.c,v 1.16 2001/02/05 01:10:10 christos 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. All advertising materials mentioning features or use of this software
  16  *    must display the following acknowledgement:
  17  *      This product includes software developed by the University of
  18  *      California, Berkeley and its contributors.
  19  * 4. Neither the name of the University nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  */
  35
  36 #include <sys/cdefs.h>
  37 #ifndef lint
  38 #if 0
  39 static char sccsid[] = "@(#)pl_3.c      8.1 (Berkeley) 5/31/93";
  40 #else
  41 __RCSID("$NetBSD: pl_3.c,v 1.16 2001/02/05 01:10:10 christos Exp $");
  42 #endif
  43 #endif /* not lint */
  44
  45 #include <signal.h>
  46 #include <stdlib.h>
  47 #include "extern.h"
  48 #include "player.h"
  49
  50 void
  51 acceptcombat(void)
  52 {
  53         int men = 0;
  54         int target, temp;
  55         int n, r;
  56         int index, rakehim, sternrake;
  57         int hhits = 0, ghits = 0, rhits = 0, chits = 0;
  58         int crew[3];
  59         int load;
  60         int guns, car, ready, shootat, hit;
  61         int roll;
  62         struct ship *closest;
  63
  64         crew[0] = mc->crew1;
  65         crew[1] = mc->crew2;
  66         crew[2] = mc->crew3;
  67         for (n = 0; n < 3; n++) {
  68                 if (mf->OBP[n].turnsent)
  69                         men += mf->OBP[n].mensent;
  70         }
  71         for (n = 0; n < 3; n++) {
  72                 if (mf->DBP[n].turnsent)
  73                         men += mf->DBP[n].mensent;
  74         }
  75         if (men) {
  76                 crew[0] = men/100 ? 0 : crew[0] != 0;
  77                 crew[1] = (men%100)/10 ? 0 : crew[1] != 0;
  78                 crew[2] = men%10 ? 0 : crew[2] != 0;
  79         }
  80         for (r = 0; r < 2; r++) {
  81                 if (r) {
  82                         ready = mf->readyR;
  83                         load = mf->loadR;
  84                         guns = mc->gunR;
  85                         car = mc->carR;
  86                 } else {
  87                         ready = mf->readyL;
  88                         load = mf->loadL;
  89                         guns = mc->gunL;
  90                         car = mc->carL;
  91                 }
  92                 if ((!guns && !car) || load == L_EMPTY || (ready & R_LOADED) == 0)
  93                         goto cant;
  94                 if (mf->struck || !crew[2])
  95                         goto cant;
  96                 closest = closestenemy(ms, (r ? 'r' : 'l'), 1);
  97                 if (closest == 0)
  98                         goto cant;
  99                 if (closest->file->struck)
 100                         goto cant;
 101                 target = range(ms, closest);
 102                 if (target > rangeofshot[load] || (!guns && target >= 3))
 103                         goto cant;
 104                 Signal("$$ within range of %s broadside.",
 105                         closest, r ? "right" : "left");
 106                 if (load > L_CHAIN && target < 6) {
 107                         switch (sgetch("Aim for hull or rigging? ",
 108                                 (struct ship *)0, 1)) {
 109                         case 'r':
 110                                 shootat = RIGGING;
 111                                 break;
 112                         case 'h':
 113                                 shootat = HULL;
 114                                 break;
 115                         default:
 116                                 shootat = -1;
 117                                 Msg("'Avast there! Hold your fire.'");
 118                         }
 119                 } else {
 120                         if (sgetch("Fire? ", (struct ship *)0, 1) == 'n') {
 121                                 shootat = -1;
 122                                 Msg("Belay that! Hold your fire.");
 123                         } else
 124                                 shootat = RIGGING;
 125                 }
 126                 if (shootat == -1)
 127                         continue;
 128                 fired = 1;
 129                 rakehim = gunsbear(ms, closest) && !gunsbear(closest, ms);
 130                 temp = portside(closest, ms, 1) - closest->file->dir + 1;
 131                 if (temp < 1)
 132                         temp += 8;
 133                 else if (temp > 8)
 134                         temp -= 8;
 135                 sternrake = temp > 4 && temp < 6;
 136                 if (rakehim) {
 137                         if (!sternrake)
 138                                 Msg("Raking the %s!", closest->shipname);
 139                         else
 140                                 Msg("Stern Rake! %s splintering!",
 141                                     closest->shipname);
 142                 }
 143                 index = guns;
 144                 if (target < 3)
 145                         index += car;
 146                 index = (index - 1)/3;
 147                 index = index > 8 ? 8 : index;
 148                 if (!rakehim)
 149                         hit = HDT[index][target-1];
 150                 else
 151                         hit = HDTrake[index][target-1];
 152                 if (rakehim && sternrake)
 153                         hit++;
 154                 hit += QUAL[index][mc->qual-1];
 155                 for (n = 0; n < 3 && mf->captured == 0; n++)
 156                         if (!crew[n]) {
 157                                 if (index <= 5)
 158                                         hit--;
 159                                 else
 160                                         hit -= 2;
 161                         }
 162                 if (ready & R_INITIAL) {
 163                         if (index <= 3)
 164                                 hit++;
 165                         else
 166                                 hit += 2;
 167                 }
 168                 if (mf->captured != 0) {
 169                         if (index <= 1)
 170                                 hit--;
 171                         else
 172                                 hit -= 2;
 173                 }
 174                 hit += AMMO[index][load - 1];
 175                 if (((temp = mc->class) >= 5 || temp == 1) && windspeed == 5)
 176                         hit--;
 177                 if (windspeed == 6 && temp == 4)
 178                         hit -= 2;
 179                 if (windspeed == 6 && temp <= 3)
 180                         hit--;
 181                 if (hit >= 0) {
 182                         roll = dieroll();
 183                         if (load == L_GRAPE)
 184                                 chits = hit;
 185                         else {
 186                                 const struct Tables *t;
 187                                 if (hit > 10)
 188                                         hit = 10;
 189                                 t = &(shootat == RIGGING ? RigTable : HullTable)
 190                                         [hit][roll-1];
 191                                 chits = t->C;
 192                                 rhits = t->R;
 193                                 hhits = t->H;
 194                                 ghits = t->G;
 195                                 if (closest->file->FS)
 196                                         rhits *= 2;
 197                                 if (load == L_CHAIN) {
 198                                         ghits = 0;
 199                                         hhits = 0;
 200                                 }
 201                         }
 202                         table(ms, closest, shootat, load, hit, roll);
 203                 }
 204                 Msg("Damage inflicted on the %s:", closest->shipname);
 205                 Msg("\t%d HULL, %d GUNS, %d CREW, %d RIGGING",
 206                     hhits, ghits, chits, rhits);
 207                 if (!r) {
 208                         mf->loadL = L_EMPTY;
 209                         mf->readyL = R_EMPTY;
 210                 } else {
 211                         mf->loadR = L_EMPTY;
 212                         mf->readyR = R_EMPTY;
 213                 }
 214                 continue;
 215         cant:
 216                 Msg("Unable to fire %s broadside", r ? "right" : "left");
 217         }
 218         blockalarm();
 219         draw_stat();
 220         unblockalarm();
 221 }
 222
 223 void
 224 grapungrap(void)
 225 {
 226         struct ship *sp;
 227         int i;
 228
 229         foreachship(sp) {
 230                 if (sp == ms || sp->file->dir == 0)
 231                         continue;
 232                 if (range(ms, sp) > 1 && !grappled2(ms, sp))
 233                         continue;
 234                 switch (sgetch("Attempt to grapple or ungrapple $$: ",
 235                         sp, 1)) {
 236                 case 'g':
 237                         if (dieroll() < 3
 238                             || ms->nationality == capship(sp)->nationality) {
 239                                 Write(W_GRAP, ms, sp->file->index, 0, 0, 0);
 240                                 Write(W_GRAP, sp, player, 0, 0, 0);
 241                                 Msg("Attempt succeeds!");
 242                                 makesignal(ms, "grappled with $$", sp);
 243                         } else
 244                                 Msg("Attempt fails.");
 245                         break;
 246                 case 'u':
 247                         for (i = grappled2(ms, sp); --i >= 0;) {
 248                                 if (ms->nationality
 249                                         == capship(sp)->nationality
 250                                     || dieroll() < 3) {
 251                                         cleangrapple(ms, sp, 0);
 252                                         Msg("Attempt succeeds!");
 253                                         makesignal(ms, "ungrappling with $$",
 254                                                 sp);
 255                                 } else
 256                                         Msg("Attempt fails.");
 257                         }
 258                         break;
 259                 }
 260         }
 261 }
 262
 263 void
 264 unfoulplayer(void)
 265 {
 266         struct ship *to;
 267         int i;
 268
 269         foreachship(to) {
 270                 if (fouled2(ms, to) == 0)
 271                         continue;
 272                 if (sgetch("Attempt to unfoul with the $$? ", to, 1) != 'y')
 273                         continue;
 274                 for (i = fouled2(ms, to); --i >= 0;) {
 275                         if (dieroll() <= 2) {
 276                                 cleanfoul(ms, to, 0);
 277                                 Msg("Attempt succeeds!");
 278                                 makesignal(ms, "Unfouling $$", to);
 279                         } else
 280                                 Msg("Attempt fails.");
 281                 }
 282         }
 283 }