sail/assorted.c

   1 /*      $NetBSD: assorted.c,v 1.13 2001/01/04 06:16:51 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[] = "@(#)assorted.c  8.2 (Berkeley) 4/28/95";
  40 #else
  41 __RCSID("$NetBSD: assorted.c,v 1.13 2001/01/04 06:16:51 jwise Exp $");
  42 #endif
  43 #endif /* not lint */
  44
  45 #include <stdlib.h>
  46 #include <err.h>
  47 #include "extern.h"
  48
  49 void    table(struct ship *, struct ship *, int, int, int, int);
  50 void    Cleansnag(struct ship *, struct ship *, int, int);
  51 static void     strike (struct ship *, struct ship *);
  52
  53 void
  54 table(struct ship *from, struct ship *on, int rig, int shot, int hittable, int roll)
  55 {
  56         int hhits = 0, chits = 0, ghits = 0, rhits = 0;
  57         int Ghit = 0, Hhit = 0, Rhit = 0, Chit = 0;
  58         int guns, car, pc, hull;
  59         int crew[3];
  60         int n;
  61         int rigg[4];
  62         const char *message;
  63         const struct Tables *tp;
  64
  65         pc = on->file->pcrew;
  66         hull = on->specs->hull;
  67         crew[0] = on->specs->crew1;
  68         crew[1] = on->specs->crew2;
  69         crew[2] = on->specs->crew3;
  70         rigg[0] = on->specs->rig1;
  71         rigg[1] = on->specs->rig2;
  72         rigg[2] = on->specs->rig3;
  73         rigg[3] = on->specs->rig4;
  74         if (shot == L_GRAPE)
  75                 Chit = chits = hittable;
  76         else {
  77                 tp = &(rig ? RigTable : HullTable)[hittable][roll-1];
  78                 Chit = chits = tp->C;
  79                 Rhit = rhits = tp->R;
  80                 Hhit = hhits = tp->H;
  81                 Ghit = ghits = tp->G;
  82                 if (on->file->FS)
  83                         rhits *= 2;
  84                 if (shot == L_CHAIN) {
  85                         Ghit = ghits = 0;
  86                         Hhit = hhits = 0;
  87                 }
  88         }
  89         if (on->file->captured != 0) {
  90                 pc -= (chits + 1) / 2;
  91                 chits /= 2;
  92         }
  93         for (n = 0; n < 3; n++)
  94                 if (chits > crew[n]) {
  95                         chits -= crew[n];
  96                         crew[n] = 0;
  97                 } else {
  98                         crew[n] -= chits;
  99                         chits = 0;
 100                 }
 101         for (n = 0; n < 3; n++)
 102                 if (rhits > rigg[n]){
 103                         rhits -= rigg[n];
 104                         rigg[n] = 0;
 105                 } else {
 106                         rigg[n] -= rhits;
 107                         rhits = 0;
 108                 }
 109         if (rigg[3] != -1 && rhits > rigg[3]) {
 110                 rhits -= rigg[3];
 111                 rigg[3] = 0;
 112         } else if (rigg[3] != -1) {
 113                 rigg[3] -= rhits;
 114         }
 115         if (rig && !rigg[2] && (!rigg[3] || rigg[3] == -1))
 116                 makemsg(on, "dismasted!");
 117         if (portside(from, on, 0)) {
 118                 guns = on->specs->gunR;
 119                 car = on->specs->carR;
 120         } else {
 121                 guns = on->specs->gunL;
 122                 car = on->specs->carL;
 123         }
 124         if (ghits > car) {
 125                 ghits -= car;
 126                 car = 0;
 127         } else {
 128                 car -= ghits;
 129                 ghits = 0;
 130         }
 131         if (ghits > guns){
 132                 ghits -= guns;
 133                 guns = 0;
 134         } else {
 135                 guns -= ghits;
 136                 ghits = 0;
 137         }
 138         hull -= ghits;
 139         if (Ghit)
 140                 Write(portside(from, on, 0) ? W_GUNR : W_GUNL,
 141                         on, guns, car, 0, 0);
 142         hull -= hhits;
 143         hull = hull < 0 ? 0 : hull;
 144         if (on->file->captured != 0 && Chit)
 145                 Write(W_PCREW, on, pc, 0, 0, 0);
 146         if (Hhit)
 147                 Write(W_HULL, on, hull, 0, 0, 0);
 148         if (Chit)
 149                 Write(W_CREW, on, crew[0], crew[1], crew[2], 0);
 150         if (Rhit)
 151                 Write(W_RIGG, on, rigg[0], rigg[1], rigg[2], rigg[3]);
 152         switch (shot) {
 153         case L_ROUND:
 154                 message = "firing round shot on $$";
 155                 break;
 156         case L_GRAPE:
 157                 message = "firing grape shot on $$";
 158                 break;
 159         case L_CHAIN:
 160                 message = "firing chain shot on $$";
 161                 break;
 162         case L_DOUBLE:
 163                 message = "firing double shot on $$";
 164                 break;
 165         case L_EXPLODE:
 166                 message = "exploding shot on $$";
 167                 break;
 168         default:
 169                 errx(1, "Unknown shot type %d", shot);
 170
 171         }
 172         makesignal(from, message, on);
 173         if (roll == 6 && rig) {
 174                 switch(Rhit) {
 175                 case 0:
 176                         message = "fore topsail sheets parted";
 177                         break;
 178                 case 1:
 179                         message = "mizzen shrouds parted";
 180                         break;
 181                 case 2:
 182                         message = "main topsail yard shot away";
 183                         break;
 184                 case 4:
 185                         message = "fore topmast and foremast shrouds shot away";
 186                         break;
 187                 case 5:
 188                         message = "mizzen mast and yard shot through";
 189                         break;
 190                 case 6:
 191                         message = "foremast and spritsail yard shattered";
 192                         break;
 193                 case 7:
 194                         message = "main topmast and mizzen mast shattered";
 195                         break;
 196                 default:
 197                         errx(1, "Bad Rhit = %d", Rhit);
 198                 }
 199                 makemsg(on, message);
 200         } else if (roll == 6) {
 201                 switch (Hhit) {
 202                 case 0:
 203                         message = "anchor cables severed";
 204                         break;
 205                 case 1:
 206                         message = "two anchor stocks shot away";
 207                         break;
 208                 case 2:
 209                         message = "quarterdeck bulwarks damaged";
 210                         break;
 211                 case 3:
 212                         message = "three gun ports shot away";
 213                         break;
 214                 case 4:
 215                         message = "four guns dismounted";
 216                         break;
 217                 case 5:
 218                         message = "rudder cables shot through";
 219                         Write(W_TA, on, 0, 0, 0, 0);
 220                         break;
 221                 case 6:
 222                         message = "shot holes below the water line";
 223                         break;
 224                 default:
 225                         errx(1, "Bad Hhit = %d", Hhit);
 226                 }
 227                 makemsg(on, message);
 228         }
 229         /*
 230         if (Chit > 1 && on->file->readyL&R_INITIAL && on->file->readyR&R_INITIAL) {
 231                 on->specs->qual--;
 232                 if (on->specs->qual <= 0) {
 233                         makemsg(on, "crew mutinying!");
 234                         on->specs->qual = 5;
 235                         Write(W_CAPTURED, on, on->file->index, 0, 0, 0);
 236                 } else
 237                         makemsg(on, "crew demoralized");
 238                 Write(W_QUAL, on, on->specs->qual, 0, 0, 0);
 239         }
 240         */
 241         if (!hull)
 242                 strike(on, from);
 243 }
 244
 245 void
 246 Cleansnag(struct ship *from, struct ship *to, int all, int flag)
 247 {
 248         if (flag & 1) {
 249                 Write(W_UNGRAP, from, to->file->index, all, 0, 0);
 250                 Write(W_UNGRAP, to, from->file->index, all, 0, 0);
 251         }
 252         if (flag & 2) {
 253                 Write(W_UNFOUL, from, to->file->index, all, 0, 0);
 254                 Write(W_UNFOUL, to, from->file->index, all, 0, 0);
 255         }
 256         if (!snagged2(from, to)) {
 257                 if (!snagged(from)) {
 258                         unboard(from, from, 1);         /* defense */
 259                         unboard(from, from, 0);         /* defense */
 260                 } else
 261                         unboard(from, to, 0);           /* offense */
 262                 if (!snagged(to)) {
 263                         unboard(to, to, 1);             /* defense */
 264                         unboard(to, to, 0);             /* defense */
 265                 } else
 266                         unboard(to, from, 0);           /* offense */
 267         }
 268 }
 269
 270 static void
 271 strike(struct ship *ship, struct ship *from)
 272 {
 273         int points;
 274
 275         if (ship->file->struck)
 276                 return;
 277         Write(W_STRUCK, ship, 1, 0, 0, 0);
 278         points = ship->specs->pts + from->file->points;
 279         Write(W_POINTS, from, points, 0, 0, 0);
 280         unboard(ship, ship, 0);         /* all offense */
 281         unboard(ship, ship, 1);         /* all defense */
 282         switch (dieroll()) {
 283         case 3:
 284         case 4:         /* ship may sink */
 285                 Write(W_SINK, ship, 1, 0, 0, 0);
 286                 break;
 287         case 5:
 288         case 6:         /* ship may explode */
 289                 Write(W_EXPLODE, ship, 1, 0, 0, 0);
 290                 break;
 291         }
 292         Writestr(W_SIGNAL, ship, "striking her colours!");
 293 }