sail/assorted.c

   1 /*      $NetBSD: assorted.c,v 1.14 2001/02/05 01:10:08 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[] = "@(#)assorted.c  8.2 (Berkeley) 4/28/95";
  40 #else
  41 __RCSID("$NetBSD: assorted.c,v 1.14 2001/02/05 01:10:08 christos Exp $");
  42 #endif
  43 #endif /* not lint */
  44
  45 #include <stdlib.h>
  46 #include <err.h>
  47 #include "extern.h"
  48
  49 static void     strike (struct ship *, struct ship *);
  50
  51 void
  52 table(struct ship *from, struct ship *on, int rig, int shot, int hittable, int roll)
  53 {
  54         int hhits = 0, chits = 0, ghits = 0, rhits = 0;
  55         int Ghit = 0, Hhit = 0, Rhit = 0, Chit = 0;
  56         int guns, car, pc, hull;
  57         int crew[3];
  58         int n;
  59         int rigg[4];
  60         const char *message;
  61         const struct Tables *tp;
  62
  63         pc = on->file->pcrew;
  64         hull = on->specs->hull;
  65         crew[0] = on->specs->crew1;
  66         crew[1] = on->specs->crew2;
  67         crew[2] = on->specs->crew3;
  68         rigg[0] = on->specs->rig1;
  69         rigg[1] = on->specs->rig2;
  70         rigg[2] = on->specs->rig3;
  71         rigg[3] = on->specs->rig4;
  72         if (shot == L_GRAPE)
  73                 Chit = chits = hittable;
  74         else {
  75                 tp = &(rig ? RigTable : HullTable)[hittable][roll-1];
  76                 Chit = chits = tp->C;
  77                 Rhit = rhits = tp->R;
  78                 Hhit = hhits = tp->H;
  79                 Ghit = ghits = tp->G;
  80                 if (on->file->FS)
  81                         rhits *= 2;
  82                 if (shot == L_CHAIN) {
  83                         Ghit = ghits = 0;
  84                         Hhit = hhits = 0;
  85                 }
  86         }
  87         if (on->file->captured != 0) {
  88                 pc -= (chits + 1) / 2;
  89                 chits /= 2;
  90         }
  91         for (n = 0; n < 3; n++)
  92                 if (chits > crew[n]) {
  93                         chits -= crew[n];
  94                         crew[n] = 0;
  95                 } else {
  96                         crew[n] -= chits;
  97                         chits = 0;
  98                 }
  99         for (n = 0; n < 3; n++)
 100                 if (rhits > rigg[n]){
 101                         rhits -= rigg[n];
 102                         rigg[n] = 0;
 103                 } else {
 104                         rigg[n] -= rhits;
 105                         rhits = 0;
 106                 }
 107         if (rigg[3] != -1 && rhits > rigg[3]) {
 108                 rhits -= rigg[3];
 109                 rigg[3] = 0;
 110         } else if (rigg[3] != -1) {
 111                 rigg[3] -= rhits;
 112         }
 113         if (rig && !rigg[2] && (!rigg[3] || rigg[3] == -1))
 114                 makemsg(on, "dismasted!");
 115         if (portside(from, on, 0)) {
 116                 guns = on->specs->gunR;
 117                 car = on->specs->carR;
 118         } else {
 119                 guns = on->specs->gunL;
 120                 car = on->specs->carL;
 121         }
 122         if (ghits > car) {
 123                 ghits -= car;
 124                 car = 0;
 125         } else {
 126                 car -= ghits;
 127                 ghits = 0;
 128         }
 129         if (ghits > guns){
 130                 ghits -= guns;
 131                 guns = 0;
 132         } else {
 133                 guns -= ghits;
 134                 ghits = 0;
 135         }
 136         hull -= ghits;
 137         if (Ghit)
 138                 Write(portside(from, on, 0) ? W_GUNR : W_GUNL,
 139                         on, guns, car, 0, 0);
 140         hull -= hhits;
 141         hull = hull < 0 ? 0 : hull;
 142         if (on->file->captured != 0 && Chit)
 143                 Write(W_PCREW, on, pc, 0, 0, 0);
 144         if (Hhit)
 145                 Write(W_HULL, on, hull, 0, 0, 0);
 146         if (Chit)
 147                 Write(W_CREW, on, crew[0], crew[1], crew[2], 0);
 148         if (Rhit)
 149                 Write(W_RIGG, on, rigg[0], rigg[1], rigg[2], rigg[3]);
 150         switch (shot) {
 151         case L_ROUND:
 152                 message = "firing round shot on $$";
 153                 break;
 154         case L_GRAPE:
 155                 message = "firing grape shot on $$";
 156                 break;
 157         case L_CHAIN:
 158                 message = "firing chain shot on $$";
 159                 break;
 160         case L_DOUBLE:
 161                 message = "firing double shot on $$";
 162                 break;
 163         case L_EXPLODE:
 164                 message = "exploding shot on $$";
 165                 break;
 166         default:
 167                 errx(1, "Unknown shot type %d", shot);
 168
 169         }
 170         makesignal(from, message, on);
 171         if (roll == 6 && rig) {
 172                 switch(Rhit) {
 173                 case 0:
 174                         message = "fore topsail sheets parted";
 175                         break;
 176                 case 1:
 177                         message = "mizzen shrouds parted";
 178                         break;
 179                 case 2:
 180                         message = "main topsail yard shot away";
 181                         break;
 182                 case 4:
 183                         message = "fore topmast and foremast shrouds shot away";
 184                         break;
 185                 case 5:
 186                         message = "mizzen mast and yard shot through";
 187                         break;
 188                 case 6:
 189                         message = "foremast and spritsail yard shattered";
 190                         break;
 191                 case 7:
 192                         message = "main topmast and mizzen mast shattered";
 193                         break;
 194                 default:
 195                         errx(1, "Bad Rhit = %d", Rhit);
 196                 }
 197                 makemsg(on, message);
 198         } else if (roll == 6) {
 199                 switch (Hhit) {
 200                 case 0:
 201                         message = "anchor cables severed";
 202                         break;
 203                 case 1:
 204                         message = "two anchor stocks shot away";
 205                         break;
 206                 case 2:
 207                         message = "quarterdeck bulwarks damaged";
 208                         break;
 209                 case 3:
 210                         message = "three gun ports shot away";
 211                         break;
 212                 case 4:
 213                         message = "four guns dismounted";
 214                         break;
 215                 case 5:
 216                         message = "rudder cables shot through";
 217                         Write(W_TA, on, 0, 0, 0, 0);
 218                         break;
 219                 case 6:
 220                         message = "shot holes below the water line";
 221                         break;
 222                 default:
 223                         errx(1, "Bad Hhit = %d", Hhit);
 224                 }
 225                 makemsg(on, message);
 226         }
 227         /*
 228         if (Chit > 1 && on->file->readyL&R_INITIAL && on->file->readyR&R_INITIAL) {
 229                 on->specs->qual--;
 230                 if (on->specs->qual <= 0) {
 231                         makemsg(on, "crew mutinying!");
 232                         on->specs->qual = 5;
 233                         Write(W_CAPTURED, on, on->file->index, 0, 0, 0);
 234                 } else
 235                         makemsg(on, "crew demoralized");
 236                 Write(W_QUAL, on, on->specs->qual, 0, 0, 0);
 237         }
 238         */
 239         if (!hull)
 240                 strike(on, from);
 241 }
 242
 243 void
 244 Cleansnag(struct ship *from, struct ship *to, int all, int flag)
 245 {
 246         if (flag & 1) {
 247                 Write(W_UNGRAP, from, to->file->index, all, 0, 0);
 248                 Write(W_UNGRAP, to, from->file->index, all, 0, 0);
 249         }
 250         if (flag & 2) {
 251                 Write(W_UNFOUL, from, to->file->index, all, 0, 0);
 252                 Write(W_UNFOUL, to, from->file->index, all, 0, 0);
 253         }
 254         if (!snagged2(from, to)) {
 255                 if (!snagged(from)) {
 256                         unboard(from, from, 1);         /* defense */
 257                         unboard(from, from, 0);         /* defense */
 258                 } else
 259                         unboard(from, to, 0);           /* offense */
 260                 if (!snagged(to)) {
 261                         unboard(to, to, 1);             /* defense */
 262                         unboard(to, to, 0);             /* defense */
 263                 } else
 264                         unboard(to, from, 0);           /* offense */
 265         }
 266 }
 267
 268 static void
 269 strike(struct ship *ship, struct ship *from)
 270 {
 271         int points;
 272
 273         if (ship->file->struck)
 274                 return;
 275         Write(W_STRUCK, ship, 1, 0, 0, 0);
 276         points = ship->specs->pts + from->file->points;
 277         Write(W_POINTS, from, points, 0, 0, 0);
 278         unboard(ship, ship, 0);         /* all offense */
 279         unboard(ship, ship, 1);         /* all defense */
 280         switch (dieroll()) {
 281         case 3:
 282         case 4:         /* ship may sink */
 283                 Write(W_SINK, ship, 1, 0, 0, 0);
 284                 break;
 285         case 5:
 286         case 6:         /* ship may explode */
 287                 Write(W_EXPLODE, ship, 1, 0, 0, 0);
 288                 break;
 289         }
 290         Writestr(W_SIGNAL, ship, "striking her colours!");
 291 }