sail/pl_3.c

   1 /*      $NetBSD: pl_3.c,v 1.12 2001/01/04 03:21:17 jwise 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 1.12 2001/01/04 03:21:17 jwise Exp $");
  42 #endif
  43 #endif /* not lint */
  44
  45 #include <stdlib.h>
  46 #include "player.h"
  47
  48 void    acceptcombat(void);
  49 void    grapungrap(void);
  50 void    unfoulplayer(void);
  51
  52 void
  53 acceptcombat(void)
  54 {
  55         int men = 0;
  56         int target, temp;
  57         int n, r;
  58         int index, rakehim, sternrake;
  59         int hhits = 0, ghits = 0, rhits = 0, chits = 0;
  60         int crew[3];
  61         int load;
  62         int guns, car, ready, shootat, hit;
  63         int roll;
  64         struct ship *closest;
  65
  66         crew[0] = mc->crew1;
  67         crew[1] = mc->crew2;
  68         crew[2] = mc->crew3;
  69         for (n = 0; n < 3; n++) {
  70                 if (mf->OBP[n].turnsent)
  71                         men += mf->OBP[n].mensent;
  72         }
  73         for (n = 0; n < 3; n++) {
  74                 if (mf->DBP[n].turnsent)
  75                         men += mf->DBP[n].mensent;
  76         }
  77         if (men) {
  78                 crew[0] = men/100 ? 0 : crew[0] != 0;
  79                 crew[1] = (men%100)/10 ? 0 : crew[1] != 0;
  80                 crew[2] = men%10 ? 0 : crew[2] != 0;
  81         }
  82         for (r = 0; r < 2; r++) {
  83                 if (r) {
  84                         ready = mf->readyR;
  85                         load = mf->loadR;
  86                         guns = mc->gunR;
  87                         car = mc->carR;
  88                 } else {
  89                         ready = mf->readyL;
  90                         load = mf->loadL;
  91                         guns = mc->gunL;
  92                         car = mc->carL;
  93                 }
  94                 if ((!guns && !car) || load == L_EMPTY || (ready & R_LOADED) == 0)
  95                         goto cant;
  96                 if (mf->struck || !crew[2])
  97                         goto cant;
  98                 closest = closestenemy(ms, (r ? 'r' : 'l'), 1);
  99                 if (closest == 0)
 100                         goto cant;
 101                 if (closest->file->struck)
 102                         goto cant;
 103                 target = range(ms, closest);
 104                 if (target > rangeofshot[load] || (!guns && target >= 3))
 105                         goto cant;
 106                 Signal("$$ within range of %s broadside.",
 107                         closest, r ? "right" : "left");
 108                 if (load > L_CHAIN && target < 6) {
 109                         switch (sgetch("Aim for hull or rigging? ",
 110                                 (struct ship *)0, 1)) {
 111                         case 'r':
 112                                 shootat = RIGGING;
 113                                 break;
 114                         case 'h':
 115                                 shootat = HULL;
 116                                 break;
 117                         default:
 118                                 shootat = -1;
 119                                 Msg("'Avast there! Hold your fire.'");
 120                         }
 121                 } else {
 122                         if (sgetch("Fire? ", (struct ship *)0, 1) == 'n') {
 123                                 shootat = -1;
 124                                 Msg("Belay that! Hold your fire.");
 125                         } else
 126                                 shootat = RIGGING;
 127                 }
 128                 if (shootat == -1)
 129                         continue;
 130                 fired = 1;
 131                 rakehim = gunsbear(ms, closest) && !gunsbear(closest, ms);
 132                 temp = portside(closest, ms, 1) - closest->file->dir + 1;
 133                 if (temp < 1)
 134                         temp += 8;
 135                 else if (temp > 8)
 136                         temp -= 8;
 137                 sternrake = temp > 4 && temp < 6;
 138                 if (rakehim) {
 139                         if (!sternrake)
 140                                 Msg("Raking the %s!", closest->shipname);
 141                         else
 142                                 Msg("Stern Rake! %s splintering!",
 143                                     closest->shipname);
 144                 }
 145                 index = guns;
 146                 if (target < 3)
 147                         index += car;
 148                 index = (index - 1)/3;
 149                 index = index > 8 ? 8 : index;
 150                 if (!rakehim)
 151                         hit = HDT[index][target-1];
 152                 else
 153                         hit = HDTrake[index][target-1];
 154                 if (rakehim && sternrake)
 155                         hit++;
 156                 hit += QUAL[index][mc->qual-1];
 157                 for (n = 0; n < 3 && mf->captured == 0; n++)
 158                         if (!crew[n]) {
 159                                 if (index <= 5)
 160                                         hit--;
 161                                 else
 162                                         hit -= 2;
 163                         }
 164                 if (ready & R_INITIAL) {
 165                         if (index <= 3)
 166                                 hit++;
 167                         else
 168                                 hit += 2;
 169                 }
 170                 if (mf->captured != 0) {
 171                         if (index <= 1)
 172                                 hit--;
 173                         else
 174                                 hit -= 2;
 175                 }
 176                 hit += AMMO[index][load - 1];
 177                 if (((temp = mc->class) >= 5 || temp == 1) && windspeed == 5)
 178                         hit--;
 179                 if (windspeed == 6 && temp == 4)
 180                         hit -= 2;
 181                 if (windspeed == 6 && temp <= 3)
 182                         hit--;
 183                 if (hit >= 0) {
 184                         roll = dieroll();
 185                         if (load == L_GRAPE)
 186                                 chits = hit;
 187                         else {
 188                                 const struct Tables *t;
 189                                 if (hit > 10)
 190                                         hit = 10;
 191                                 t = &(shootat == RIGGING ? RigTable : HullTable)
 192                                         [hit][roll-1];
 193                                 chits = t->C;
 194                                 rhits = t->R;
 195                                 hhits = t->H;
 196                                 ghits = t->G;
 197                                 if (closest->file->FS)
 198                                         rhits *= 2;
 199                                 if (load == L_CHAIN) {
 200                                         ghits = 0;
 201                                         hhits = 0;
 202                                 }
 203                         }
 204                         table(shootat, load, hit, closest, ms, roll);
 205                 }
 206                 Msg("Damage inflicted on the %s:", closest->shipname);
 207                 Msg("\t%d HULL, %d GUNS, %d CREW, %d RIGGING",
 208                     hhits, ghits, chits, rhits);
 209                 if (!r) {
 210                         mf->loadL = L_EMPTY;
 211                         mf->readyL = R_EMPTY;
 212                 } else {
 213                         mf->loadR = L_EMPTY;
 214                         mf->readyR = R_EMPTY;
 215                 }
 216                 continue;
 217         cant:
 218                 Msg("Unable to fire %s broadside", r ? "right" : "left");
 219         }
 220         blockalarm();
 221         draw_stat();
 222         unblockalarm();
 223 }
 224
 225 void
 226 grapungrap(void)
 227 {
 228         struct ship *sp;
 229         int i;
 230
 231         foreachship(sp) {
 232                 if (sp == ms || sp->file->dir == 0)
 233                         continue;
 234                 if (range(ms, sp) > 1 && !grappled2(ms, sp))
 235                         continue;
 236                 switch (sgetch("Attempt to grapple or ungrapple $$: ",
 237                         sp, 1)) {
 238                 case 'g':
 239                         if (dieroll() < 3
 240                             || ms->nationality == capship(sp)->nationality) {
 241                                 Write(W_GRAP, ms, sp->file->index, 0, 0, 0);
 242                                 Write(W_GRAP, sp, player, 0, 0, 0);
 243                                 Msg("Attempt succeeds!");
 244                                 makesignal(ms, "grappled with $$", sp);
 245                         } else
 246                                 Msg("Attempt fails.");
 247                         break;
 248                 case 'u':
 249                         for (i = grappled2(ms, sp); --i >= 0;) {
 250                                 if (ms->nationality
 251                                         == capship(sp)->nationality
 252                                     || dieroll() < 3) {
 253                                         cleangrapple(ms, sp, 0);
 254                                         Msg("Attempt succeeds!");
 255                                         makesignal(ms, "ungrappling with $$",
 256                                                 sp);
 257                                 } else
 258                                         Msg("Attempt fails.");
 259                         }
 260                         break;
 261                 }
 262         }
 263 }
 264
 265 void
 266 unfoulplayer(void)
 267 {
 268         struct ship *to;
 269         int i;
 270
 271         foreachship(to) {
 272                 if (fouled2(ms, to) == 0)
 273                         continue;
 274                 if (sgetch("Attempt to unfoul with the $$? ", to, 1) != 'y')
 275                         continue;
 276                 for (i = fouled2(ms, to); --i >= 0;) {
 277                         if (dieroll() <= 2) {
 278                                 cleanfoul(ms, to, 0);
 279                                 Msg("Attempt succeeds!");
 280                                 makesignal(ms, "Unfouling $$", to);
 281                         } else
 282                                 Msg("Attempt fails.");
 283                 }
 284         }
 285 }