games/sail/pl_3.c

   1 /*
   2  * Copyright (c) 1983, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *      This product includes software developed by the University of
  16  *      California, Berkeley and its contributors.
  17  * 4. Neither the name of the University nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  *
  33  * @(#)pl_3.c   8.1 (Berkeley) 5/31/93
  34  * $FreeBSD: src/games/sail/pl_3.c,v 1.6 1999/11/30 03:49:37 billf Exp $
  35  * $DragonFly: src/games/sail/pl_3.c,v 1.3 2006/09/03 17:33:13 pavalos Exp $
  36  */
  37
  38 #include "player.h"
  39
  40 void
  41 acceptcombat(void)
  42 {
  43         int men = 0;
  44         int target, temp;
  45         int n, r;
  46         int idx, rakehim, sternrake;
  47         int hhits = 0, ghits = 0, rhits = 0, chits = 0;
  48         int crew[3];
  49         int load;
  50         int guns, car, ready, shootat, hit;
  51         int roll;
  52         struct ship *closest;
  53
  54         crew[0] = mc->crew1;
  55         crew[1] = mc->crew2;
  56         crew[2] = mc->crew3;
  57         for (n = 0; n < 3; n++) {
  58                 if (mf->OBP[n].turnsent)
  59                         men += mf->OBP[n].mensent;
  60         }
  61         for (n = 0; n < 3; n++) {
  62                 if (mf->DBP[n].turnsent)
  63                         men += mf->DBP[n].mensent;
  64         }
  65         if (men) {
  66                 crew[0] = men/100 ? 0 : crew[0] != 0;
  67                 crew[1] = (men%100)/10 ? 0 : crew[1] != 0;
  68                 crew[2] = men%10 ? 0 : crew[2] != 0;
  69         }
  70         for (r = 0; r < 2; r++) {
  71                 if (r) {
  72                         ready = mf->readyR;
  73                         load = mf->loadR;
  74                         guns = mc->gunR;
  75                         car = mc->carR;
  76                 } else {
  77                         ready = mf->readyL;
  78                         load = mf->loadL;
  79                         guns = mc->gunL;
  80                         car = mc->carL;
  81                 }
  82                 if ((!guns && !car) || load == L_EMPTY || (ready & R_LOADED) == 0)
  83                         goto cant;
  84                 if (mf->struck || !crew[2])
  85                         goto cant;
  86                 closest = closestenemy(ms, (r ? 'r' : 'l'), 1);
  87                 if (closest == 0)
  88                         goto cant;
  89                 if (closest->file->struck)
  90                         goto cant;
  91                 target = range(ms, closest);
  92                 if (target > rangeofshot[load] || (!guns && target >= 3))
  93                         goto cant;
  94                 Signal("%s (%c%c) within range of %s broadside.",
  95                         closest, r ? "right" : "left");
  96                 if (load > L_CHAIN && target < 6) {
  97                         switch (sgetch("Aim for hull or rigging? ",
  98                                 (struct ship *)0, 1)) {
  99                         case 'r':
 100                                 shootat = RIGGING;
 101                                 break;
 102                         case 'h':
 103                                 shootat = HULL;
 104                                 break;
 105                         default:
 106                                 shootat = -1;
 107                                 Signal("'Avast there! Hold your fire.'",
 108                                         (struct ship *)0);
 109                         }
 110                 } else {
 111                         if (sgetch("Fire? ", (struct ship *)0, 1) == 'n') {
 112                                 shootat = -1;
 113                                 Signal("Belay that! Hold your fire.",
 114                                         (struct ship *)0);
 115                         } else
 116                                 shootat = RIGGING;
 117                 }
 118                 if (shootat == -1)
 119                         continue;
 120                 fired = 1;
 121                 rakehim = gunsbear(ms, closest) && !gunsbear(closest, ms);
 122                 temp = portside(closest, ms, 1) - closest->file->dir + 1;
 123                 if (temp < 1)
 124                         temp += 8;
 125                 else if (temp > 8)
 126                         temp -= 8;
 127                 sternrake = temp > 4 && temp < 6;
 128                 if (rakehim) {
 129                         if (!sternrake)
 130                                 Signal("Raking the %s!", closest);
 131                         else
 132                                 Signal("Stern Rake! %s splintering!", closest);
 133                 }
 134                 idx = guns;
 135                 if (target < 3)
 136                         idx += car;
 137                 idx = (idx - 1)/3;
 138                 idx = idx > 8 ? 8 : idx;
 139                 if (!rakehim)
 140                         hit = HDT[idx][target-1];
 141                 else
 142                         hit = HDTrake[idx][target-1];
 143                 if (rakehim && sternrake)
 144                         hit++;
 145                 hit += QUAL[idx][mc->qual-1];
 146                 for (n = 0; n < 3 && mf->captured == 0; n++)
 147                         if (!crew[n]) {
 148                                 if (idx <= 5)
 149                                         hit--;
 150                                 else
 151                                         hit -= 2;
 152                         }
 153                 if (ready & R_INITIAL) {
 154                         if (idx <= 3)
 155                                 hit++;
 156                         else
 157                                 hit += 2;
 158                 }
 159                 if (mf->captured != 0) {
 160                         if (idx <= 1)
 161                                 hit--;
 162                         else
 163                                 hit -= 2;
 164                 }
 165                 hit += AMMO[idx][load - 1];
 166                 if (((temp = mc->class) >= 5 || temp == 1) && windspeed == 5)
 167                         hit--;
 168                 if (windspeed == 6 && temp == 4)
 169                         hit -= 2;
 170                 if (windspeed == 6 && temp <= 3)
 171                         hit--;
 172                 if (hit >= 0) {
 173                         roll = die();
 174                         if (load == L_GRAPE)
 175                                 chits = hit;
 176                         else {
 177                                 struct Tables *t;
 178                                 if (hit > 10)
 179                                         hit = 10;
 180                                 t = &(shootat == RIGGING ? RigTable : HullTable)
 181                                         [hit][roll-1];
 182                                 chits = t->C;
 183                                 rhits = t->R;
 184                                 hhits = t->H;
 185                                 ghits = t->G;
 186                                 if (closest->file->FS)
 187                                         rhits *= 2;
 188                                 if (load == L_CHAIN) {
 189                                         ghits = 0;
 190                                         hhits = 0;
 191                                 }
 192                         }
 193                         table(shootat, load, hit, closest, ms, roll);
 194                 }
 195                 Signal("Damage inflicted on the %s:",
 196                         (struct ship *)0, closest->shipname);
 197                 Signal("\t%d HULL, %d GUNS, %d CREW, %d RIGGING",
 198                         (struct ship *)0, hhits, ghits, chits, rhits);
 199                 if (!r) {
 200                         mf->loadL = L_EMPTY;
 201                         mf->readyL = R_EMPTY;
 202                 } else {
 203                         mf->loadR = L_EMPTY;
 204                         mf->readyR = R_EMPTY;
 205                 }
 206                 continue;
 207         cant:
 208                 Signal("Unable to fire %s broadside",
 209                         (struct ship *)0, r ? "right" : "left");
 210         }
 211         blockalarm();
 212         draw_stat();
 213         unblockalarm();
 214 }
 215
 216 void
 217 grapungrap(void)
 218 {
 219         struct ship *sp;
 220         int i;
 221
 222         foreachship(sp) {
 223                 if (sp == ms || sp->file->dir == 0)
 224                         continue;
 225                 if (range(ms, sp) > 1 && !grappled2(ms, sp))
 226                         continue;
 227                 switch (sgetch("Attempt to grapple or ungrapple %s (%c%c): ",
 228                         sp, 1)) {
 229                 case 'g':
 230                         if (die() < 3
 231                             || ms->nationality == capship(sp)->nationality) {
 232                                 Write(W_GRAP, ms, 0, sp->file->index, 0, 0, 0);
 233                                 Write(W_GRAP, sp, 0, player, 0, 0, 0);
 234                                 Signal("Attempt succeeds!", (struct ship *)0);
 235                                 makesignal(ms, "grappled with %s (%c%c)", sp);
 236                         } else
 237                                 Signal("Attempt fails.", (struct ship *)0);
 238                         break;
 239                 case 'u':
 240                         for (i = grappled2(ms, sp); --i >= 0;) {
 241                                 if (ms->nationality
 242                                         == capship(sp)->nationality
 243                                     || die() < 3) {
 244                                         cleangrapple(ms, sp, 0);
 245                                         Signal("Attempt succeeds!",
 246                                                 (struct ship *)0);
 247                                         makesignal(ms,
 248                                                 "ungrappling with %s (%c%c)",
 249                                                 sp);
 250                                 } else
 251                                         Signal("Attempt fails.",
 252                                                 (struct ship *)0);
 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 %s (%c%c)? ", to, 1) != 'y')
 269                         continue;
 270                 for (i = fouled2(ms, to); --i >= 0;) {
 271                         if (die() <= 2) {
 272                                 cleanfoul(ms, to, 0);
 273                                 Signal("Attempt succeeds!", (struct ship *)0);
 274                                 makesignal(ms, "Unfouling %s (%c%c)", to);
 275                         } else
 276                                 Signal("Attempt fails.", (struct ship *)0);
 277                 }
 278         }
 279 }