freebsd-dev/games/sail/assorted.c
1995-05-30 03:37:36 +00:00

275 lines
7.2 KiB
C

/*
* Copyright (c) 1983, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
static char sccsid[] = "@(#)assorted.c 8.1 (Berkeley) 5/31/93";
#endif /* not lint */
#include "externs.h"
table(rig, shot, hittable, on, from, roll)
struct ship *on, *from;
int rig, shot, hittable, roll;
{
register int hhits = 0, chits = 0, ghits = 0, rhits = 0;
int Ghit = 0, Hhit = 0, Rhit = 0, Chit = 0;
int guns, car, pc, hull;
int crew[3];
register int n;
int rigg[4];
char *message;
struct Tables *tp;
pc = on->file->pcrew;
hull = on->specs->hull;
crew[0] = on->specs->crew1;
crew[1] = on->specs->crew2;
crew[2] = on->specs->crew3;
rigg[0] = on->specs->rig1;
rigg[1] = on->specs->rig2;
rigg[2] = on->specs->rig3;
rigg[3] = on->specs->rig4;
if (shot == L_GRAPE)
Chit = chits = hittable;
else {
tp = &(rig ? RigTable : HullTable)[hittable][roll-1];
Chit = chits = tp->C;
Rhit = rhits = tp->R;
Hhit = hhits = tp->H;
Ghit = ghits = tp->G;
if (on->file->FS)
rhits *= 2;
if (shot == L_CHAIN) {
Ghit = ghits = 0;
Hhit = hhits = 0;
}
}
if (on->file->captured != 0) {
pc -= (chits + 1) / 2;
chits /= 2;
}
for (n = 0; n < 3; n++)
if (chits > crew[n]) {
chits -= crew[n];
crew[n] = 0;
} else {
crew[n] -= chits;
chits = 0;
}
for (n = 0; n < 3; n++)
if (rhits > rigg[n]){
rhits -= rigg[n];
rigg[n] = 0;
} else {
rigg[n] -= rhits;
rhits = 0;
}
if (rigg[3] != -1 && rhits > rigg[3]) {
rhits -= rigg[3];
rigg[3] = 0;
} else if (rigg[3] != -1) {
rigg[3] -= rhits;
}
if (rig && !rigg[2] && (!rigg[3] || rigg[3] == -1))
makesignal(on, "dismasted!", (struct ship *)0);
if (portside(from, on, 0)) {
guns = on->specs->gunR;
car = on->specs->carR;
} else {
guns = on->specs->gunL;
car = on->specs->carL;
}
if (ghits > car) {
ghits -= car;
car = 0;
} else {
car -= ghits;
ghits = 0;
}
if (ghits > guns){
ghits -= guns;
guns = 0;
} else {
guns -= ghits;
ghits = 0;
}
hull -= ghits;
if (Ghit)
Write(portside(from, on, 0) ? W_GUNR : W_GUNL,
on, 0, guns, car, 0, 0);
hull -= hhits;
hull = hull < 0 ? 0 : hull;
if (on->file->captured != 0 && Chit)
Write(W_PCREW, on, 0, pc, 0, 0, 0);
if (Hhit)
Write(W_HULL, on, 0, hull, 0, 0, 0);
if (Chit)
Write(W_CREW, on, 0, crew[0], crew[1], crew[2], 0);
if (Rhit)
Write(W_RIGG, on, 0, rigg[0], rigg[1], rigg[2], rigg[3]);
switch (shot) {
case L_ROUND:
message = "firing round shot on %s (%c%c)";
break;
case L_GRAPE:
message = "firing grape shot on %s (%c%c)";
break;
case L_CHAIN:
message = "firing chain shot on %s (%c%c)";
break;
case L_DOUBLE:
message = "firing double shot on %s (%c%c)";
break;
case L_EXPLODE:
message = "exploding shot on %s (%c%c)";
}
makesignal(from, message, on);
if (roll == 6 && rig) {
switch(Rhit) {
case 0:
message = "fore topsail sheets parted";
break;
case 1:
message = "mizzen shrouds parted";
break;
case 2:
message = "main topsail yard shot away";
break;
case 4:
message = "fore topmast and foremast shrouds shot away";
break;
case 5:
message = "mizzen mast and yard shot through";
break;
case 6:
message = "foremast and spritsail yard shattered";
break;
case 7:
message = "main topmast and mizzen mast shattered";
break;
}
makesignal(on, message, (struct ship *)0);
} else if (roll == 6) {
switch (Hhit) {
case 0:
message = "anchor cables severed";
break;
case 1:
message = "two anchor stocks shot away";
break;
case 2:
message = "quarterdeck bulwarks damaged";
break;
case 3:
message = "three gun ports shot away";
break;
case 4:
message = "four guns dismounted";
break;
case 5:
message = "rudder cables shot through";
Write(W_TA, on, 0, 0, 0, 0, 0);
break;
case 6:
message = "shot holes below the water line";
break;
}
makesignal(on, message, (struct ship *)0);
}
/*
if (Chit > 1 && on->file->readyL&R_INITIAL && on->file->readyR&R_INITIAL) {
on->specs->qual--;
if (on->specs->qual <= 0) {
makesignal(on, "crew mutinying!", (struct ship *)0);
on->specs->qual = 5;
Write(W_CAPTURED, on, 0, on->file->index, 0, 0, 0);
} else
makesignal(on, "crew demoralized", (struct ship *)0);
Write(W_QUAL, on, 0, on->specs->qual, 0, 0, 0);
}
*/
if (!hull)
strike(on, from);
}
Cleansnag(from, to, all, flag)
register struct ship *from, *to;
char all, flag;
{
if (flag & 1) {
Write(W_UNGRAP, from, 0, to->file->index, all, 0, 0);
Write(W_UNGRAP, to, 0, from->file->index, all, 0, 0);
}
if (flag & 2) {
Write(W_UNFOUL, from, 0, to->file->index, all, 0, 0);
Write(W_UNFOUL, to, 0, from->file->index, all, 0, 0);
}
if (!snagged2(from, to)) {
if (!snagged(from)) {
unboard(from, from, 1); /* defense */
unboard(from, from, 0); /* defense */
} else
unboard(from, to, 0); /* offense */
if (!snagged(to)) {
unboard(to, to, 1); /* defense */
unboard(to, to, 0); /* defense */
} else
unboard(to, from, 0); /* offense */
}
}
strike(ship, from)
register struct ship *ship, *from;
{
int points;
if (ship->file->struck)
return;
Write(W_STRUCK, ship, 0, 1, 0, 0, 0);
points = ship->specs->pts + from->file->points;
Write(W_POINTS, from, 0, points, 0, 0, 0);
unboard(ship, ship, 0); /* all offense */
unboard(ship, ship, 1); /* all defense */
switch (die()) {
case 3:
case 4: /* ship may sink */
Write(W_SINK, ship, 0, 1, 0, 0, 0);
break;
case 5:
case 6: /* ship may explode */
Write(W_EXPLODE, ship, 0, 1, 0, 0, 0);
break;
}
Write(W_SIGNAL, ship, 1, (int) "striking her colours!", 0, 0, 0);
}