games/sail/assorted.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  * @(#)assorted.c       8.1 (Berkeley) 5/31/93
  34  * $FreeBSD: src/games/sail/assorted.c,v 1.5 1999/11/30 03:49:31 billf Exp $
  35  * $DragonFly: src/games/sail/assorted.c,v 1.2 2003/06/17 04:25:25 dillon Exp $
  36  */
  37
  38 #include "externs.h"
  39
  40 table(rig, shot, hittable, on, from, roll)
  41 struct ship *on, *from;
  42 int rig, shot, hittable, roll;
  43 {
  44         int hhits = 0, chits = 0, ghits = 0, rhits = 0;
  45         int Ghit = 0, Hhit = 0, Rhit = 0, Chit = 0;
  46         int guns, car, pc, hull;
  47         int crew[3];
  48         int n;
  49         int rigg[4];
  50         char *message;
  51         struct Tables *tp;
  52
  53         pc = on->file->pcrew;
  54         hull = on->specs->hull;
  55         crew[0] = on->specs->crew1;
  56         crew[1] = on->specs->crew2;
  57         crew[2] = on->specs->crew3;
  58         rigg[0] = on->specs->rig1;
  59         rigg[1] = on->specs->rig2;
  60         rigg[2] = on->specs->rig3;
  61         rigg[3] = on->specs->rig4;
  62         if (shot == L_GRAPE)
  63                 Chit = chits = hittable;
  64         else {
  65                 tp = &(rig ? RigTable : HullTable)[hittable][roll-1];
  66                 Chit = chits = tp->C;
  67                 Rhit = rhits = tp->R;
  68                 Hhit = hhits = tp->H;
  69                 Ghit = ghits = tp->G;
  70                 if (on->file->FS)
  71                         rhits *= 2;
  72                 if (shot == L_CHAIN) {
  73                         Ghit = ghits = 0;
  74                         Hhit = hhits = 0;
  75                 }
  76         }
  77         if (on->file->captured != 0) {
  78                 pc -= (chits + 1) / 2;
  79                 chits /= 2;
  80         }
  81         for (n = 0; n < 3; n++)
  82                 if (chits > crew[n]) {
  83                         chits -= crew[n];
  84                         crew[n] = 0;
  85                 } else {
  86                         crew[n] -= chits;
  87                         chits = 0;
  88                 }
  89         for (n = 0; n < 3; n++)
  90                 if (rhits > rigg[n]){
  91                         rhits -= rigg[n];
  92                         rigg[n] = 0;
  93                 } else {
  94                         rigg[n] -= rhits;
  95                         rhits = 0;
  96                 }
  97         if (rigg[3] != -1 && rhits > rigg[3]) {
  98                 rhits -= rigg[3];
  99                 rigg[3] = 0;
 100         } else if (rigg[3] != -1) {
 101                 rigg[3] -= rhits;
 102         }
 103         if (rig && !rigg[2] && (!rigg[3] || rigg[3] == -1))
 104                 makesignal(on, "dismasted!", (struct ship *)0);
 105         if (portside(from, on, 0)) {
 106                 guns = on->specs->gunR;
 107                 car = on->specs->carR;
 108         } else {
 109                 guns = on->specs->gunL;
 110                 car = on->specs->carL;
 111         }
 112         if (ghits > car) {
 113                 ghits -= car;
 114                 car = 0;
 115         } else {
 116                 car -= ghits;
 117                 ghits = 0;
 118         }
 119         if (ghits > guns){
 120                 ghits -= guns;
 121                 guns = 0;
 122         } else {
 123                 guns -= ghits;
 124                 ghits = 0;
 125         }
 126         hull -= ghits;
 127         if (Ghit)
 128                 Write(portside(from, on, 0) ? W_GUNR : W_GUNL,
 129                         on, 0, guns, car, 0, 0);
 130         hull -= hhits;
 131         hull = hull < 0 ? 0 : hull;
 132         if (on->file->captured != 0 && Chit)
 133                 Write(W_PCREW, on, 0, pc, 0, 0, 0);
 134         if (Hhit)
 135                 Write(W_HULL, on, 0, hull, 0, 0, 0);
 136         if (Chit)
 137                 Write(W_CREW, on, 0, crew[0], crew[1], crew[2], 0);
 138         if (Rhit)
 139                 Write(W_RIGG, on, 0, rigg[0], rigg[1], rigg[2], rigg[3]);
 140         switch (shot) {
 141         case L_ROUND:
 142                 message = "firing round shot on %s (%c%c)";
 143                 break;
 144         case L_GRAPE:
 145                 message = "firing grape shot on %s (%c%c)";
 146                 break;
 147         case L_CHAIN:
 148                 message = "firing chain shot on %s (%c%c)";
 149                 break;
 150         case L_DOUBLE:
 151                 message = "firing double shot on %s (%c%c)";
 152                 break;
 153         case L_EXPLODE:
 154                 message = "exploding shot on %s (%c%c)";
 155         }
 156         makesignal(from, message, on);
 157         if (roll == 6 && rig) {
 158                 switch(Rhit) {
 159                 case 0:
 160                         message = "fore topsail sheets parted";
 161                         break;
 162                 case 1:
 163                         message = "mizzen shrouds parted";
 164                         break;
 165                 case 2:
 166                         message = "main topsail yard shot away";
 167                         break;
 168                 case 4:
 169                         message = "fore topmast and foremast shrouds shot away";
 170                         break;
 171                 case 5:
 172                         message = "mizzen mast and yard shot through";
 173                         break;
 174                 case 6:
 175                         message = "foremast and spritsail yard shattered";
 176                         break;
 177                 case 7:
 178                         message = "main topmast and mizzen mast shattered";
 179                         break;
 180                 }
 181                 makesignal(on, message, (struct ship *)0);
 182         } else if (roll == 6) {
 183                 switch (Hhit) {
 184                 case 0:
 185                         message = "anchor cables severed";
 186                         break;
 187                 case 1:
 188                         message = "two anchor stocks shot away";
 189                         break;
 190                 case 2:
 191                         message = "quarterdeck bulwarks damaged";
 192                         break;
 193                 case 3:
 194                         message = "three gun ports shot away";
 195                         break;
 196                 case 4:
 197                         message = "four guns dismounted";
 198                         break;
 199                 case 5:
 200                         message = "rudder cables shot through";
 201                         Write(W_TA, on, 0, 0, 0, 0, 0);
 202                         break;
 203                 case 6:
 204                         message = "shot holes below the water line";
 205                         break;
 206                 }
 207                 makesignal(on, message, (struct ship *)0);
 208         }
 209         /*
 210         if (Chit > 1 && on->file->readyL&R_INITIAL && on->file->readyR&R_INITIAL) {
 211                 on->specs->qual--;
 212                 if (on->specs->qual <= 0) {
 213                         makesignal(on, "crew mutinying!", (struct ship *)0);
 214                         on->specs->qual = 5;
 215                         Write(W_CAPTURED, on, 0, on->file->index, 0, 0, 0);
 216                 } else
 217                         makesignal(on, "crew demoralized", (struct ship *)0);
 218                 Write(W_QUAL, on, 0, on->specs->qual, 0, 0, 0);
 219         }
 220         */
 221         if (!hull)
 222                 strike(on, from);
 223 }
 224
 225 Cleansnag(from, to, all, flag)
 226 struct ship *from, *to;
 227 char all, flag;
 228 {
 229         if (flag & 1) {
 230                 Write(W_UNGRAP, from, 0, to->file->index, all, 0, 0);
 231                 Write(W_UNGRAP, to, 0, from->file->index, all, 0, 0);
 232         }
 233         if (flag & 2) {
 234                 Write(W_UNFOUL, from, 0, to->file->index, all, 0, 0);
 235                 Write(W_UNFOUL, to, 0, from->file->index, all, 0, 0);
 236         }
 237         if (!snagged2(from, to)) {
 238                 if (!snagged(from)) {
 239                         unboard(from, from, 1);         /* defense */
 240                         unboard(from, from, 0);         /* defense */
 241                 } else
 242                         unboard(from, to, 0);           /* offense */
 243                 if (!snagged(to)) {
 244                         unboard(to, to, 1);             /* defense */
 245                         unboard(to, to, 0);             /* defense */
 246                 } else
 247                         unboard(to, from, 0);           /* offense */
 248         }
 249 }
 250
 251 strike(ship, from)
 252 struct ship *ship, *from;
 253 {
 254         int points;
 255
 256         if (ship->file->struck)
 257                 return;
 258         Write(W_STRUCK, ship, 0, 1, 0, 0, 0);
 259         points = ship->specs->pts + from->file->points;
 260         Write(W_POINTS, from, 0, points, 0, 0, 0);
 261         unboard(ship, ship, 0);         /* all offense */
 262         unboard(ship, ship, 1);         /* all defense */
 263         switch (die()) {
 264         case 3:
 265         case 4:         /* ship may sink */
 266                 Write(W_SINK, ship, 0, 1, 0, 0, 0);
 267                 break;
 268         case 5:
 269         case 6:         /* ship may explode */
 270                 Write(W_EXPLODE, ship, 0, 1, 0, 0, 0);
 271                 break;
 272         }
 273         Write(W_SIGNAL, ship, 1, (int) "striking her colours!", 0, 0, 0);
 274 }