[unix-history] / usr / src / games / sail / assorted.c

/*
 * Copyright (c) 1983 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that this notice is preserved and that due credit is given
 * to the University of California at Berkeley. The name of the University
 * may not be used to endorse or promote products derived from this
 * software without specific prior written permission. This software
 * is provided ``as is'' without express or implied warranty.
 */

#ifndef lint
static char sccsid[] = "@(#)assorted.c	5.2 (Berkeley) %G%";
#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);
}
Commit	Line	Data
b5f0675e	1	/*
1e008c14	2	* Copyright (c) 1983 Regents of the University of California.
c0ca48ec KB	3	* All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms are permitted
	6	* provided that this notice is preserved and that due credit is given
	7	* to the University of California at Berkeley. The name of the University
	8	* may not be used to endorse or promote products derived from this
	9	* software without specific prior written permission. This software
	10	* is provided ``as is'' without express or implied warranty.
b5f0675e EW	11	*/
b5f0675e EW	12
931d7dfa	13	#ifndef lint
c0ca48ec KB	14	static char sccsid[] = "@(#)assorted.c 5.2 (Berkeley) %G%";
c0ca48ec KB	15	#endif /* not lint */
b3a57661	16
931d7dfa CL	17	#include "externs.h"
931d7dfa CL	18
b3a57661 EW	19	table(rig, shot, hittable, on, from, roll)
	20	struct ship on, from;
	21	int rig, shot, hittable, roll;
931d7dfa CL	22	{
	23	register int hhits = 0, chits = 0, ghits = 0, rhits = 0;
	24	int Ghit = 0, Hhit = 0, Rhit = 0, Chit = 0;
	25	int guns, car, pc, hull;
	26	int crew[3];
	27	register int n;
	28	int rigg[4];
b3a57661 EW	29	char *message;
b3a57661 EW	30	struct Tables *tp;
931d7dfa	31
b3a57661 EW	32	pc = on->file->pcrew;
	33	hull = on->specs->hull;
	34	crew[0] = on->specs->crew1;
	35	crew[1] = on->specs->crew2;
	36	crew[2] = on->specs->crew3;
	37	rigg[0] = on->specs->rig1;
	38	rigg[1] = on->specs->rig2;
	39	rigg[2] = on->specs->rig3;
	40	rigg[3] = on->specs->rig4;
	41	if (shot == L_GRAPE)
931d7dfa CL	42	Chit = chits = hittable;
931d7dfa CL	43	else {
b3a57661 EW	44	tp = &(rig ? RigTable : HullTable)[hittable][roll-1];
	45	Chit = chits = tp->C;
	46	Rhit = rhits = tp->R;
	47	Hhit = hhits = tp->H;
	48	Ghit = ghits = tp->G;
	49	if (on->file->FS)
931d7dfa	50	rhits *= 2;
b3a57661	51	if (shot == L_CHAIN) {
931d7dfa CL	52	Ghit = ghits = 0;
	53	Hhit = hhits = 0;
	54	}
	55	}
b3a57661 EW	56	if (on->file->captured != 0) {
b3a57661 EW	57	pc -= (chits + 1) / 2;
931d7dfa CL	58	chits /= 2;
931d7dfa CL	59	}
b3a57661 EW	60	for (n = 0; n < 3; n++)
b3a57661 EW	61	if (chits > crew[n]) {
931d7dfa CL	62	chits -= crew[n];
931d7dfa CL	63	crew[n] = 0;
b3a57661	64	} else {
931d7dfa CL	65	crew[n] -= chits;
	66	chits = 0;
	67	}
b3a57661	68	for (n = 0; n < 3; n++)
931d7dfa CL	69	if (rhits > rigg[n]){
	70	rhits -= rigg[n];
	71	rigg[n] = 0;
b3a57661	72	} else {
931d7dfa CL	73	rigg[n] -= rhits;
	74	rhits = 0;
	75	}
b3a57661	76	if (rigg[3] != -1 && rhits > rigg[3]) {
931d7dfa CL	77	rhits -= rigg[3];
931d7dfa CL	78	rigg[3] = 0;
b3a57661	79	} else if (rigg[3] != -1) {
931d7dfa CL	80	rigg[3] -= rhits;
	81	}
	82	if (rig && !rigg[2] && (!rigg[3] \|\| rigg[3] == -1))
b3a57661 EW	83	makesignal(on, "dismasted!", (struct ship *)0);
b3a57661 EW	84	if (portside(from, on, 0)) {
b3a57661 EW	85	guns = on->specs->gunR;
b3a57661 EW	86	car = on->specs->carR;
0fc2c279 EW	87	} else {
	88	guns = on->specs->gunL;
	89	car = on->specs->carL;
931d7dfa	90	}
b3a57661	91	if (ghits > car) {
931d7dfa CL	92	ghits -= car;
931d7dfa CL	93	car = 0;
b3a57661	94	} else {
931d7dfa CL	95	car -= ghits;
	96	ghits = 0;
	97	}
	98	if (ghits > guns){
	99	ghits -= guns;
	100	guns = 0;
b3a57661	101	} else {
931d7dfa CL	102	guns -= ghits;
	103	ghits = 0;
	104	}
	105	hull -= ghits;
b3a57661	106	if (Ghit)
0fc2c279	107	Write(portside(from, on, 0) ? W_GUNR : W_GUNL,
b3a57661	108	on, 0, guns, car, 0, 0);
931d7dfa CL	109	hull -= hhits;
931d7dfa CL	110	hull = hull < 0 ? 0 : hull;
b3a57661 EW	111	if (on->file->captured != 0 && Chit)
b3a57661 EW	112	Write(W_PCREW, on, 0, pc, 0, 0, 0);
931d7dfa	113	if (Hhit)
b3a57661	114	Write(W_HULL, on, 0, hull, 0, 0, 0);
931d7dfa	115	if (Chit)
b3a57661	116	Write(W_CREW, on, 0, crew[0], crew[1], crew[2], 0);
931d7dfa	117	if (Rhit)
b3a57661 EW	118	Write(W_RIGG, on, 0, rigg[0], rigg[1], rigg[2], rigg[3]);
	119	switch (shot) {
	120	case L_ROUND:
	121	message = "firing round shot on %s (%c%c)";
	122	break;
	123	case L_GRAPE:
	124	message = "firing grape shot on %s (%c%c)";
	125	break;
	126	case L_CHAIN:
	127	message = "firing chain shot on %s (%c%c)";
	128	break;
	129	case L_DOUBLE:
	130	message = "firing double shot on %s (%c%c)";
	131	break;
	132	case L_EXPLODE:
	133	message = "exploding shot on %s (%c%c)";
	134	}
	135	makesignal(from, message, on);
	136	if (roll == 6 && rig) {
	137	switch(Rhit) {
	138	case 0:
	139	message = "fore topsail sheets parted";
931d7dfa	140	break;
b3a57661 EW	141	case 1:
b3a57661 EW	142	message = "mizzen shrouds parted";
931d7dfa	143	break;
b3a57661 EW	144	case 2:
b3a57661 EW	145	message = "main topsail yard shot away";
931d7dfa	146	break;
b3a57661 EW	147	case 4:
	148	message = "fore topmast and foremast shrouds shot away";
	149	break;
	150	case 5:
	151	message = "mizzen mast and yard shot through";
	152	break;
	153	case 6:
	154	message = "foremast and spritsail yard shattered";
	155	break;
	156	case 7:
	157	message = "main topmast and mizzen mast shattered";
931d7dfa	158	break;
931d7dfa	159	}
b3a57661 EW	160	makesignal(on, message, (struct ship *)0);
	161	} else if (roll == 6) {
	162	switch (Hhit) {
	163	case 0:
	164	message = "anchor cables severed";
	165	break;
	166	case 1:
	167	message = "two anchor stocks shot away";
	168	break;
	169	case 2:
	170	message = "quarterdeck bulwarks damaged";
	171	break;
	172	case 3:
	173	message = "three gun ports shot away";
	174	break;
	175	case 4:
	176	message = "four guns dismounted";
	177	break;
	178	case 5:
	179	message = "rudder cables shot through";
	180	Write(W_TA, on, 0, 0, 0, 0, 0);
	181	break;
	182	case 6:
	183	message = "shot holes below the water line";
	184	break;
931d7dfa	185	}
b3a57661	186	makesignal(on, message, (struct ship *)0);
931d7dfa	187	}
46c1696b EW	188	/*
46c1696b EW	189	if (Chit > 1 && on->file->readyL&R_INITIAL && on->file->readyR&R_INITIAL) {
b3a57661 EW	190	on->specs->qual--;
	191	if (on->specs->qual <= 0) {
	192	makesignal(on, "crew mutinying!", (struct ship *)0);
	193	on->specs->qual = 5;
6ca45914	194	Write(W_CAPTURED, on, 0, on->file->index, 0, 0, 0);
931d7dfa	195	} else
b3a57661 EW	196	makesignal(on, "crew demoralized", (struct ship *)0);
b3a57661 EW	197	Write(W_QUAL, on, 0, on->specs->qual, 0, 0, 0);
931d7dfa	198	}
46c1696b	199	*/
931d7dfa	200	if (!hull)
b3a57661	201	strike(on, from);
931d7dfa CL	202	}
931d7dfa CL	203
6ca45914	204	Cleansnag(from, to, all, flag)
b3a57661	205	register struct ship from, to;
6ca45914	206	char all, flag;
931d7dfa	207	{
6ca45914 EW	208	if (flag & 1) {
	209	Write(W_UNGRAP, from, 0, to->file->index, all, 0, 0);
	210	Write(W_UNGRAP, to, 0, from->file->index, all, 0, 0);
	211	}
	212	if (flag & 2) {
	213	Write(W_UNFOUL, from, 0, to->file->index, all, 0, 0);
	214	Write(W_UNFOUL, to, 0, from->file->index, all, 0, 0);
931d7dfa	215	}
b3a57661	216	if (!snagged2(from, to)) {
6ca45914	217	if (!snagged(from)) {
b3a57661 EW	218	unboard(from, from, 1); /* defense */
b3a57661 EW	219	unboard(from, from, 0); /* defense */
931d7dfa	220	} else
6ca45914 EW	221	unboard(from, to, 0); /* offense */
	222	if (!snagged(to)) {
	223	unboard(to, to, 1); /* defense */
	224	unboard(to, to, 0); /* defense */
931d7dfa	225	} else
b3a57661	226	unboard(to, from, 0); /* offense */
931d7dfa CL	227	}
	228	}
	229
b3a57661 EW	230	strike(ship, from)
b3a57661 EW	231	register struct ship ship, from;
931d7dfa CL	232	{
	233	int points;
	234
b3a57661 EW	235	if (ship->file->struck)
	236	return;
	237	Write(W_STRUCK, ship, 0, 1, 0, 0, 0);
	238	points = ship->specs->pts + from->file->points;
	239	Write(W_POINTS, from, 0, points, 0, 0, 0);
	240	unboard(ship, ship, 0); /* all offense */
	241	unboard(ship, ship, 1); /* all defense */
	242	switch (die()) {
	243	case 3:
	244	case 4: /* ship may sink */
	245	Write(W_SINK, ship, 0, 1, 0, 0, 0);
	246	break;
	247	case 5:
	248	case 6: /* ship may explode */
	249	Write(W_EXPLODE, ship, 0, 1, 0, 0, 0);
	250	break;
931d7dfa	251	}
b3a57661	252	Write(W_SIGNAL, ship, 1, (int) "striking her colours!", 0, 0, 0);
931d7dfa	253	}