4.3BSD - /usr/src/games/sail/assorted.c

   1: /*
   2:  * Copyright (c) 1983 Regents of the University of California.
   3:  * All rights reserved.  The Berkeley software License Agreement
   4:  * specifies the terms and conditions for redistribution.
   5:  */
   6: 
   7: #ifndef lint
   8: static char sccsid[] = "@(#)assorted.c	5.1 (Berkeley) 5/29/85";
   9: #endif not lint
  10: 
  11: #include "externs.h"
  12: 
  13: table(rig, shot, hittable, on, from, roll)
  14: struct ship *on, *from;
  15: int rig, shot, hittable, roll;
  16: {
  17:     register int hhits = 0, chits = 0, ghits = 0, rhits = 0;
  18:     int Ghit = 0, Hhit = 0, Rhit = 0, Chit = 0;
  19:     int guns, car, pc, hull;
  20:     int crew[3];
  21:     register int n;
  22:     int rigg[4];
  23:     char *message;
  24:     struct Tables *tp;
  25: 
  26:     pc = on->file->pcrew;
  27:     hull = on->specs->hull;
  28:     crew[0] = on->specs->crew1;
  29:     crew[1] = on->specs->crew2;
  30:     crew[2] = on->specs->crew3;
  31:     rigg[0] = on->specs->rig1;
  32:     rigg[1] = on->specs->rig2;
  33:     rigg[2] = on->specs->rig3;
  34:     rigg[3] = on->specs->rig4;
  35:     if (shot == L_GRAPE)
  36:         Chit = chits = hittable;
  37:     else {
  38:         tp = &(rig ? RigTable : HullTable)[hittable][roll-1];
  39:         Chit = chits = tp->C;
  40:         Rhit = rhits = tp->R;
  41:         Hhit = hhits = tp->H;
  42:         Ghit = ghits = tp->G;
  43:         if (on->file->FS)
  44:             rhits *= 2;
  45:         if (shot == L_CHAIN) {
  46:             Ghit = ghits = 0;
  47:             Hhit = hhits = 0;
  48:         }
  49:     }
  50:     if (on->file->captured != 0) {
  51:         pc -= (chits + 1) / 2;
  52:         chits /= 2;
  53:     }
  54:     for (n = 0; n < 3; n++)
  55:         if (chits > crew[n]) {
  56:             chits -= crew[n];
  57:             crew[n] = 0;
  58:         } else {
  59:             crew[n] -= chits;
  60:             chits = 0;
  61:         }
  62:     for (n = 0; n < 3; n++)
  63:         if (rhits > rigg[n]){
  64:             rhits -= rigg[n];
  65:             rigg[n] = 0;
  66:         } else {
  67:             rigg[n] -= rhits;
  68:             rhits = 0;
  69:         }
  70:     if (rigg[3] != -1 && rhits > rigg[3]) {
  71:         rhits -= rigg[3];
  72:         rigg[3] = 0;
  73:     } else if (rigg[3] != -1) {
  74:         rigg[3] -= rhits;
  75:     }
  76:     if (rig && !rigg[2] && (!rigg[3] || rigg[3] == -1))
  77:         makesignal(on, "dismasted!", (struct ship *)0);
  78:     if (portside(from, on, 0)) {
  79:         guns = on->specs->gunR;
  80:         car = on->specs->carR;
  81:     } else {
  82:         guns = on->specs->gunL;
  83:         car = on->specs->carL;
  84:     }
  85:     if (ghits > car) {
  86:         ghits -= car;
  87:         car = 0;
  88:     } else {
  89:         car -= ghits;
  90:         ghits = 0;
  91:     }
  92:     if (ghits > guns){
  93:         ghits -= guns;
  94:         guns = 0;
  95:     } else {
  96:         guns -= ghits;
  97:         ghits = 0;
  98:     }
  99:     hull -= ghits;
 100:     if (Ghit)
 101:         Write(portside(from, on, 0) ? W_GUNR : W_GUNL,
 102:             on, 0, guns, car, 0, 0);
 103:     hull -= hhits;
 104:     hull = hull < 0 ? 0 : hull;
 105:     if (on->file->captured != 0 && Chit)
 106:         Write(W_PCREW, on, 0, pc, 0, 0, 0);
 107:     if (Hhit)
 108:         Write(W_HULL, on, 0, hull, 0, 0, 0);
 109:     if (Chit)
 110:         Write(W_CREW, on, 0, crew[0], crew[1], crew[2], 0);
 111:     if (Rhit)
 112:         Write(W_RIGG, on, 0, rigg[0], rigg[1], rigg[2], rigg[3]);
 113:     switch (shot) {
 114:     case L_ROUND:
 115:         message = "firing round shot on %s (%c%c)";
 116:         break;
 117:     case L_GRAPE:
 118:         message = "firing grape shot on %s (%c%c)";
 119:         break;
 120:     case L_CHAIN:
 121:         message = "firing chain shot on %s (%c%c)";
 122:         break;
 123:     case L_DOUBLE:
 124:         message = "firing double shot on %s (%c%c)";
 125:         break;
 126:     case L_EXPLODE:
 127:         message = "exploding shot on %s (%c%c)";
 128:     }
 129:     makesignal(from, message, on);
 130:     if (roll == 6 && rig) {
 131:         switch(Rhit) {
 132:         case 0:
 133:             message = "fore topsail sheets parted";
 134:             break;
 135:         case 1:
 136:             message = "mizzen shrouds parted";
 137:             break;
 138:         case 2:
 139:             message = "main topsail yard shot away";
 140:             break;
 141:         case 4:
 142:             message = "fore topmast and foremast shrouds shot away";
 143:             break;
 144:         case 5:
 145:             message = "mizzen mast and yard shot through";
 146:             break;
 147:         case 6:
 148:             message = "foremast and spritsail yard shattered";
 149:             break;
 150:         case 7:
 151:             message = "main topmast and mizzen mast shattered";
 152:             break;
 153:         }
 154:         makesignal(on, message, (struct ship *)0);
 155:     } else if (roll == 6) {
 156:         switch (Hhit) {
 157:         case 0:
 158:             message = "anchor cables severed";
 159:             break;
 160:         case 1:
 161:             message = "two anchor stocks shot away";
 162:             break;
 163:         case 2:
 164:             message = "quarterdeck bulwarks damaged";
 165:             break;
 166:         case 3:
 167:             message = "three gun ports shot away";
 168:             break;
 169:         case 4:
 170:             message = "four guns dismounted";
 171:             break;
 172:         case 5:
 173:             message = "rudder cables shot through";
 174:             Write(W_TA, on, 0, 0, 0, 0, 0);
 175:             break;
 176:         case 6:
 177:             message = "shot holes below the water line";
 178:             break;
 179:         }
 180:         makesignal(on, message, (struct ship *)0);
 181:     }
 182:     /*
 183: 	if (Chit > 1 && on->file->readyL&R_INITIAL && on->file->readyR&R_INITIAL) {
 184: 		on->specs->qual--;
 185: 		if (on->specs->qual <= 0) {
 186: 			makesignal(on, "crew mutinying!", (struct ship *)0);
 187: 			on->specs->qual = 5;
 188: 			Write(W_CAPTURED, on, 0, on->file->index, 0, 0, 0);
 189: 		} else
 190: 			makesignal(on, "crew demoralized", (struct ship *)0);
 191: 		Write(W_QUAL, on, 0, on->specs->qual, 0, 0, 0);
 192: 	}
 193: 	*/
 194:     if (!hull)
 195:         strike(on, from);
 196: }
 197: 
 198: Cleansnag(from, to, all, flag)
 199: register struct ship *from, *to;
 200: char all, flag;
 201: {
 202:     if (flag & 1) {
 203:         Write(W_UNGRAP, from, 0, to->file->index, all, 0, 0);
 204:         Write(W_UNGRAP, to, 0, from->file->index, all, 0, 0);
 205:     }
 206:     if (flag & 2) {
 207:         Write(W_UNFOUL, from, 0, to->file->index, all, 0, 0);
 208:         Write(W_UNFOUL, to, 0, from->file->index, all, 0, 0);
 209:     }
 210:     if (!snagged2(from, to)) {
 211:         if (!snagged(from)) {
 212:             unboard(from, from, 1);     /* defense */
 213:             unboard(from, from, 0);     /* defense */
 214:         } else
 215:             unboard(from, to, 0);       /* offense */
 216:         if (!snagged(to)) {
 217:             unboard(to, to, 1);     /* defense */
 218:             unboard(to, to, 0);     /* defense */
 219:         } else
 220:             unboard(to, from, 0);       /* offense */
 221:     }
 222: }
 223: 
 224: strike(ship, from)
 225: register struct ship *ship, *from;
 226: {
 227:     int points;
 228: 
 229:     if (ship->file->struck)
 230:         return;
 231:     Write(W_STRUCK, ship, 0, 1, 0, 0, 0);
 232:     points = ship->specs->pts + from->file->points;
 233:     Write(W_POINTS, from, 0, points, 0, 0, 0);
 234:     unboard(ship, ship, 0);     /* all offense */
 235:     unboard(ship, ship, 1);     /* all defense */
 236:     switch (die()) {
 237:     case 3:
 238:     case 4:     /* ship may sink */
 239:         Write(W_SINK, ship, 0, 1, 0, 0, 0);
 240:         break;
 241:     case 5:
 242:     case 6:     /* ship may explode */
 243:         Write(W_EXPLODE, ship, 0, 1, 0, 0, 0);
 244:         break;
 245:     }
 246:     Write(W_SIGNAL, ship, 1, (int) "striking her colours!", 0, 0, 0);
 247: }

Defined functions

Defined variables