sail/assorted.c

   1 /*      $NetBSD: assorted.c,v 1.7 1999/02/10 00:45:45 hubertf 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 1.7 1999/02/10 00:45:45 hubertf Exp $");
  42 #endif
  43 #endif /* not lint */
  44
  45 #include "extern.h"
  46 #include <stdlib.h>
  47 #include <unistd.h>
  48 #include <err.h>
  49
  50 static void strike __P((struct ship *, struct ship *));
  51
  52 void
  53 table(rig, shot, hittable, on, from, roll)
  54 struct ship *on, *from;
  55 int rig, shot, hittable, roll;
  56 {
  57         int hhits = 0, chits = 0, ghits = 0, rhits = 0;
  58         int Ghit = 0, Hhit = 0, Rhit = 0, Chit = 0;
  59         int guns, car, pc, hull;
  60         int crew[3];
  61         int n;
  62         int rigg[4];
  63         char *message;
  64         struct Tables *tp;
  65
  66         pc = on->file->pcrew;
  67         hull = on->specs->hull;
  68         crew[0] = on->specs->crew1;
  69         crew[1] = on->specs->crew2;
  70         crew[2] = on->specs->crew3;
  71         rigg[0] = on->specs->rig1;
  72         rigg[1] = on->specs->rig2;
  73         rigg[2] = on->specs->rig3;
  74         rigg[3] = on->specs->rig4;
  75         if (shot == L_GRAPE)
  76                 Chit = chits = hittable;
  77         else {
  78                 tp = &(rig ? RigTable : HullTable)[hittable][roll-1];
  79                 Chit = chits = tp->C;
  80                 Rhit = rhits = tp->R;
  81                 Hhit = hhits = tp->H;
  82                 Ghit = ghits = tp->G;
  83                 if (on->file->FS)
  84                         rhits *= 2;
  85                 if (shot == L_CHAIN) {
  86                         Ghit = ghits = 0;
  87                         Hhit = hhits = 0;
  88                 }
  89         }
  90         if (on->file->captured != 0) {
  91                 pc -= (chits + 1) / 2;
  92                 chits /= 2;
  93         }
  94         for (n = 0; n < 3; n++)
  95                 if (chits > crew[n]) {
  96                         chits -= crew[n];
  97                         crew[n] = 0;
  98                 } else {
  99                         crew[n] -= chits;
 100                         chits = 0;
 101                 }
 102         for (n = 0; n < 3; n++)
 103                 if (rhits > rigg[n]){
 104                         rhits -= rigg[n];
 105                         rigg[n] = 0;
 106                 } else {
 107                         rigg[n] -= rhits;
 108                         rhits = 0;
 109                 }
 110         if (rigg[3] != -1 && rhits > rigg[3]) {
 111                 rhits -= rigg[3];
 112                 rigg[3] = 0;
 113         } else if (rigg[3] != -1) {
 114                 rigg[3] -= rhits;
 115         }
 116         if (rig && !rigg[2] && (!rigg[3] || rigg[3] == -1))
 117                 makemsg(on, "dismasted!");
 118         if (portside(from, on, 0)) {
 119                 guns = on->specs->gunR;
 120                 car = on->specs->carR;
 121         } else {
 122                 guns = on->specs->gunL;
 123                 car = on->specs->carL;
 124         }
 125         if (ghits > car) {
 126                 ghits -= car;
 127                 car = 0;
 128         } else {
 129                 car -= ghits;
 130                 ghits = 0;
 131         }
 132         if (ghits > guns){
 133                 ghits -= guns;
 134                 guns = 0;
 135         } else {
 136                 guns -= ghits;
 137                 ghits = 0;
 138         }
 139         hull -= ghits;
 140         if (Ghit)
 141                 Write(portside(from, on, 0) ? W_GUNR : W_GUNL,
 142                         on, guns, car, 0, 0);
 143         hull -= hhits;
 144         hull = hull < 0 ? 0 : hull;
 145         if (on->file->captured != 0 && Chit)
 146                 Write(W_PCREW, on, pc, 0, 0, 0);
 147         if (Hhit)
 148                 Write(W_HULL, on, hull, 0, 0, 0);
 149         if (Chit)
 150                 Write(W_CREW, on, crew[0], crew[1], crew[2], 0);
 151         if (Rhit)
 152                 Write(W_RIGG, on, rigg[0], rigg[1], rigg[2], rigg[3]);
 153         switch (shot) {
 154         case L_ROUND:
 155                 message = "firing round shot on $$";
 156                 break;
 157         case L_GRAPE:
 158                 message = "firing grape shot on $$";
 159                 break;
 160         case L_CHAIN:
 161                 message = "firing chain shot on $$";
 162                 break;
 163         case L_DOUBLE:
 164                 message = "firing double shot on $$";
 165                 break;
 166         case L_EXPLODE:
 167                 message = "exploding shot on $$";
 168                 break;
 169         default:
 170                 errx(1, "Unknown shot type %d", shot);
 171
 172         }
 173         makesignal(from, message, on);
 174         if (roll == 6 && rig) {
 175                 switch(Rhit) {
 176                 case 0:
 177                         message = "fore topsail sheets parted";
 178                         break;
 179                 case 1:
 180                         message = "mizzen shrouds parted";
 181                         break;
 182                 case 2:
 183                         message = "main topsail yard shot away";
 184                         break;
 185                 case 4:
 186                         message = "fore topmast and foremast shrouds shot away";
 187                         break;
 188                 case 5:
 189                         message = "mizzen mast and yard shot through";
 190                         break;
 191                 case 6:
 192                         message = "foremast and spritsail yard shattered";
 193                         break;
 194                 case 7:
 195                         message = "main topmast and mizzen mast shattered";
 196                         break;
 197                 default:
 198                         errx(1, "Bad Rhit = %d", Rhit);
 199                 }
 200                 makemsg(on, message);
 201         } else if (roll == 6) {
 202                 switch (Hhit) {
 203                 case 0:
 204                         message = "anchor cables severed";
 205                         break;
 206                 case 1:
 207                         message = "two anchor stocks shot away";
 208                         break;
 209                 case 2:
 210                         message = "quarterdeck bulwarks damaged";
 211                         break;
 212                 case 3:
 213                         message = "three gun ports shot away";
 214                         break;
 215                 case 4:
 216                         message = "four guns dismounted";
 217                         break;
 218                 case 5:
 219                         message = "rudder cables shot through";
 220                         Write(W_TA, on, 0, 0, 0, 0);
 221                         break;
 222                 case 6:
 223                         message = "shot holes below the water line";
 224                         break;
 225                 default:
 226                         errx(1, "Bad Hhit = %d", Hhit);
 227                 }
 228                 makemsg(on, message);
 229         }
 230         /*
 231         if (Chit > 1 && on->file->readyL&R_INITIAL && on->file->readyR&R_INITIAL) {
 232                 on->specs->qual--;
 233                 if (on->specs->qual <= 0) {
 234                         makemsg(on, "crew mutinying!");
 235                         on->specs->qual = 5;
 236                         Write(W_CAPTURED, on, on->file->index, 0, 0, 0);
 237                 } else
 238                         makemsg(on, "crew demoralized");
 239                 Write(W_QUAL, on, on->specs->qual, 0, 0, 0);
 240         }
 241         */
 242         if (!hull)
 243                 strike(on, from);
 244 }
 245
 246 void
 247 Cleansnag(from, to, all, flag)
 248 struct ship *from, *to;
 249 char all, flag;
 250 {
 251         if (flag & 1) {
 252                 Write(W_UNGRAP, from, to->file->index, all, 0, 0);
 253                 Write(W_UNGRAP, to, from->file->index, all, 0, 0);
 254         }
 255         if (flag & 2) {
 256                 Write(W_UNFOUL, from, to->file->index, all, 0, 0);
 257                 Write(W_UNFOUL, to, from->file->index, all, 0, 0);
 258         }
 259         if (!snagged2(from, to)) {
 260                 if (!snagged(from)) {
 261                         unboard(from, from, 1);         /* defense */
 262                         unboard(from, from, 0);         /* defense */
 263                 } else
 264                         unboard(from, to, 0);           /* offense */
 265                 if (!snagged(to)) {
 266                         unboard(to, to, 1);             /* defense */
 267                         unboard(to, to, 0);             /* defense */
 268                 } else
 269                         unboard(to, from, 0);           /* offense */
 270         }
 271 }
 272
 273 static void
 274 strike(ship, from)
 275 struct ship *ship, *from;
 276 {
 277         int points;
 278
 279         if (ship->file->struck)
 280                 return;
 281         Write(W_STRUCK, ship, 1, 0, 0, 0);
 282         points = ship->specs->pts + from->file->points;
 283         Write(W_POINTS, from, points, 0, 0, 0);
 284         unboard(ship, ship, 0);         /* all offense */
 285         unboard(ship, ship, 1);         /* all defense */
 286         switch (die()) {
 287         case 3:
 288         case 4:         /* ship may sink */
 289                 Write(W_SINK, ship, 1, 0, 0, 0);
 290                 break;
 291         case 5:
 292         case 6:         /* ship may explode */
 293                 Write(W_EXPLODE, ship, 1, 0, 0, 0);
 294                 break;
 295         }
 296         Writestr(W_SIGNAL, ship, "striking her colours!");
 297 }