sail/assorted.c

   1 /*
   2  * Copyright (c) 1983 Regents of the University of California.
   3  * 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
  34 #ifndef lint
  35 /*static char sccsid[] = "from: @(#)assorted.c  5.4 (Berkeley) 6/1/90";*/
  36 static char rcsid[] = "$Id: assorted.c,v 1.2 1993/08/01 18:51:53 mycroft Exp $";
  37 #endif /* not lint */
  38
  39 #include "externs.h"
  40
  41 table(rig, shot, hittable, on, from, roll)
  42 struct ship *on, *from;
  43 int rig, shot, hittable, roll;
  44 {
  45         register int hhits = 0, chits = 0, ghits = 0, rhits = 0;
  46         int Ghit = 0, Hhit = 0, Rhit = 0, Chit = 0;
  47         int guns, car, pc, hull;
  48         int crew[3];
  49         register int n;
  50         int rigg[4];
  51         char *message;
  52         struct Tables *tp;
  53
  54         pc = on->file->pcrew;
  55         hull = on->specs->hull;
  56         crew[0] = on->specs->crew1;
  57         crew[1] = on->specs->crew2;
  58         crew[2] = on->specs->crew3;
  59         rigg[0] = on->specs->rig1;
  60         rigg[1] = on->specs->rig2;
  61         rigg[2] = on->specs->rig3;
  62         rigg[3] = on->specs->rig4;
  63         if (shot == L_GRAPE)
  64                 Chit = chits = hittable;
  65         else {
  66                 tp = &(rig ? RigTable : HullTable)[hittable][roll-1];
  67                 Chit = chits = tp->C;
  68                 Rhit = rhits = tp->R;
  69                 Hhit = hhits = tp->H;
  70                 Ghit = ghits = tp->G;
  71                 if (on->file->FS)
  72                         rhits *= 2;
  73                 if (shot == L_CHAIN) {
  74                         Ghit = ghits = 0;
  75                         Hhit = hhits = 0;
  76                 }
  77         }
  78         if (on->file->captured != 0) {
  79                 pc -= (chits + 1) / 2;
  80                 chits /= 2;
  81         }
  82         for (n = 0; n < 3; n++)
  83                 if (chits > crew[n]) {
  84                         chits -= crew[n];
  85                         crew[n] = 0;
  86                 } else {
  87                         crew[n] -= chits;
  88                         chits = 0;
  89                 }
  90         for (n = 0; n < 3; n++)
  91                 if (rhits > rigg[n]){
  92                         rhits -= rigg[n];
  93                         rigg[n] = 0;
  94                 } else {
  95                         rigg[n] -= rhits;
  96                         rhits = 0;
  97                 }
  98         if (rigg[3] != -1 && rhits > rigg[3]) {
  99                 rhits -= rigg[3];
 100                 rigg[3] = 0;
 101         } else if (rigg[3] != -1) {
 102                 rigg[3] -= rhits;
 103         }
 104         if (rig && !rigg[2] && (!rigg[3] || rigg[3] == -1))
 105                 makesignal(on, "dismasted!", (struct ship *)0);
 106         if (portside(from, on, 0)) {
 107                 guns = on->specs->gunR;
 108                 car = on->specs->carR;
 109         } else {
 110                 guns = on->specs->gunL;
 111                 car = on->specs->carL;
 112         }
 113         if (ghits > car) {
 114                 ghits -= car;
 115                 car = 0;
 116         } else {
 117                 car -= ghits;
 118                 ghits = 0;
 119         }
 120         if (ghits > guns){
 121                 ghits -= guns;
 122                 guns = 0;
 123         } else {
 124                 guns -= ghits;
 125                 ghits = 0;
 126         }
 127         hull -= ghits;
 128         if (Ghit)
 129                 Write(portside(from, on, 0) ? W_GUNR : W_GUNL,
 130                         on, 0, guns, car, 0, 0);
 131         hull -= hhits;
 132         hull = hull < 0 ? 0 : hull;
 133         if (on->file->captured != 0 && Chit)
 134                 Write(W_PCREW, on, 0, pc, 0, 0, 0);
 135         if (Hhit)
 136                 Write(W_HULL, on, 0, hull, 0, 0, 0);
 137         if (Chit)
 138                 Write(W_CREW, on, 0, crew[0], crew[1], crew[2], 0);
 139         if (Rhit)
 140                 Write(W_RIGG, on, 0, rigg[0], rigg[1], rigg[2], rigg[3]);
 141         switch (shot) {
 142         case L_ROUND:
 143                 message = "firing round shot on %s (%c%c)";
 144                 break;
 145         case L_GRAPE:
 146                 message = "firing grape shot on %s (%c%c)";
 147                 break;
 148         case L_CHAIN:
 149                 message = "firing chain shot on %s (%c%c)";
 150                 break;
 151         case L_DOUBLE:
 152                 message = "firing double shot on %s (%c%c)";
 153                 break;
 154         case L_EXPLODE:
 155                 message = "exploding shot on %s (%c%c)";
 156         }
 157         makesignal(from, message, on);
 158         if (roll == 6 && rig) {
 159                 switch(Rhit) {
 160                 case 0:
 161                         message = "fore topsail sheets parted";
 162                         break;
 163                 case 1:
 164                         message = "mizzen shrouds parted";
 165                         break;
 166                 case 2:
 167                         message = "main topsail yard shot away";
 168                         break;
 169                 case 4:
 170                         message = "fore topmast and foremast shrouds shot away";
 171                         break;
 172                 case 5:
 173                         message = "mizzen mast and yard shot through";
 174                         break;
 175                 case 6:
 176                         message = "foremast and spritsail yard shattered";
 177                         break;
 178                 case 7:
 179                         message = "main topmast and mizzen mast shattered";
 180                         break;
 181                 }
 182                 makesignal(on, message, (struct ship *)0);
 183         } else if (roll == 6) {
 184                 switch (Hhit) {
 185                 case 0:
 186                         message = "anchor cables severed";
 187                         break;
 188                 case 1:
 189                         message = "two anchor stocks shot away";
 190                         break;
 191                 case 2:
 192                         message = "quarterdeck bulwarks damaged";
 193                         break;
 194                 case 3:
 195                         message = "three gun ports shot away";
 196                         break;
 197                 case 4:
 198                         message = "four guns dismounted";
 199                         break;
 200                 case 5:
 201                         message = "rudder cables shot through";
 202                         Write(W_TA, on, 0, 0, 0, 0, 0);
 203                         break;
 204                 case 6:
 205                         message = "shot holes below the water line";
 206                         break;
 207                 }
 208                 makesignal(on, message, (struct ship *)0);
 209         }
 210         /*
 211         if (Chit > 1 && on->file->readyL&R_INITIAL && on->file->readyR&R_INITIAL) {
 212                 on->specs->qual--;
 213                 if (on->specs->qual <= 0) {
 214                         makesignal(on, "crew mutinying!", (struct ship *)0);
 215                         on->specs->qual = 5;
 216                         Write(W_CAPTURED, on, 0, on->file->index, 0, 0, 0);
 217                 } else
 218                         makesignal(on, "crew demoralized", (struct ship *)0);
 219                 Write(W_QUAL, on, 0, on->specs->qual, 0, 0, 0);
 220         }
 221         */
 222         if (!hull)
 223                 strike(on, from);
 224 }
 225
 226 Cleansnag(from, to, all, flag)
 227 register struct ship *from, *to;
 228 char all, flag;
 229 {
 230         if (flag & 1) {
 231                 Write(W_UNGRAP, from, 0, to->file->index, all, 0, 0);
 232                 Write(W_UNGRAP, to, 0, from->file->index, all, 0, 0);
 233         }
 234         if (flag & 2) {
 235                 Write(W_UNFOUL, from, 0, to->file->index, all, 0, 0);
 236                 Write(W_UNFOUL, to, 0, from->file->index, all, 0, 0);
 237         }
 238         if (!snagged2(from, to)) {
 239                 if (!snagged(from)) {
 240                         unboard(from, from, 1);         /* defense */
 241                         unboard(from, from, 0);         /* defense */
 242                 } else
 243                         unboard(from, to, 0);           /* offense */
 244                 if (!snagged(to)) {
 245                         unboard(to, to, 1);             /* defense */
 246                         unboard(to, to, 0);             /* defense */
 247                 } else
 248                         unboard(to, from, 0);           /* offense */
 249         }
 250 }
 251
 252 strike(ship, from)
 253 register struct ship *ship, *from;
 254 {
 255         int points;
 256
 257         if (ship->file->struck)
 258                 return;
 259         Write(W_STRUCK, ship, 0, 1, 0, 0, 0);
 260         points = ship->specs->pts + from->file->points;
 261         Write(W_POINTS, from, 0, points, 0, 0, 0);
 262         unboard(ship, ship, 0);         /* all offense */
 263         unboard(ship, ship, 1);         /* all defense */
 264         switch (die()) {
 265         case 3:
 266         case 4:         /* ship may sink */
 267                 Write(W_SINK, ship, 0, 1, 0, 0, 0);
 268                 break;
 269         case 5:
 270         case 6:         /* ship may explode */
 271                 Write(W_EXPLODE, ship, 0, 1, 0, 0, 0);
 272                 break;
 273         }
 274         Write(W_SIGNAL, ship, 1, (int) "striking her colours!", 0, 0, 0);
 275 }