/*
 * Copyright (c) 1988, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Timothy C. Stoehr.
 *
 * 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.
 *
 * @(#)score.c	8.1 (Berkeley) 5/31/93
 * $FreeBSD: src/games/rogue/score.c,v 1.4 1999/11/30 03:49:27 billf Exp $
 * $DragonFly: src/games/rogue/score.c,v 1.4 2006/09/02 19:31:07 pavalos Exp $
 */

/*
 * score.c
 *
 * This source herein may be modified and/or distributed by anybody who
 * so desires, with the following restrictions:
 *    1.)  No portion of this notice shall be removed.
 *    2.)  Credit shall not be taken for the creation of this source.
 *    3.)  This code is not to be traded, sold, or used for personal
 *         gain or profit.
 *
 */

#include <stdio.h>
#include "rogue.h"
#include "pathnames.h"

extern char *m_names[];
extern short max_level;
extern boolean score_only, no_skull, msg_cleared;
extern char *byebye_string, *nick_name;

static void	insert_score(char [][82], char [][30], const char *, short, short,
			     const object *, short);
static void	sell_pack(void);
static int	get_value(const object *);
static void	id_all(void);
static int	name_cmp(char *, const char *);
static void	nickize(char *, const char *, const char *);
static void	center(short, const char *);
static void	sf_error(void);

void
killed_by(const object *monster, short other)
{
	char buf[128];

	md_ignore_signals();

	if (other != QUIT) {
		rogue.gold = ((rogue.gold * 9) / 10);
	}

	if (other) {
		switch(other) {
		case HYPOTHERMIA:
			strcpy(buf, "died of hypothermia");
			break;
		case STARVATION:
			strcpy(buf, "died of starvation");
			break;
		case POISON_DART:
			strcpy(buf, "killed by a dart");
			break;
		case QUIT:
			strcpy(buf, "quit");
			break;
		case KFIRE:
			strcpy(buf, "killed by fire");
			break;
		}
	} else {
		strcpy(buf, "Killed by ");
		if (is_vowel(m_names[monster->m_char - 'A'][0])) {
			strcat(buf, "an ");
		} else {
			strcat(buf, "a ");
		}
		strcat(buf, m_names[monster->m_char - 'A']);
	}
	strcat(buf, " with ");
	sprintf(buf+strlen(buf), "%ld gold", rogue.gold);
	if ((!other) && (!no_skull)) {
		clear();
		mvaddstr(4, 32, "__---------__");
		mvaddstr(5, 30, "_~             ~_");
		mvaddstr(6, 29, "/                 \\");
		mvaddstr(7, 28, "~                   ~");
		mvaddstr(8, 27, "/                     \\");
		mvaddstr(9, 27, "|    XXXX     XXXX    |");
		mvaddstr(10, 27, "|    XXXX     XXXX    |");
		mvaddstr(11, 27, "|    XXX       XXX    |");
		mvaddstr(12, 28, "\\         @         /");
		mvaddstr(13, 29, "--\\     @@@     /--");
		mvaddstr(14, 30, "| |    @@@    | |");
		mvaddstr(15, 30, "| |           | |");
		mvaddstr(16, 30, "| vvVvvvvvvvVvv |");
		mvaddstr(17, 30, "|  ^^^^^^^^^^^  |");
		mvaddstr(18, 31, "\\_           _/");
		mvaddstr(19, 33, "~---------~");
		center(21, nick_name);
		center(22, buf);
	} else {
		message(buf, 0);
	}
	message("", 0);
	put_scores(monster, other);
}

void
win(void)
{
	unwield(rogue.weapon);		/* disarm and relax */
	unwear(rogue.armor);
	un_put_on(rogue.left_ring);
	un_put_on(rogue.right_ring);

	clear();
	mvaddstr(10, 11, "@   @  @@@   @   @      @  @  @   @@@   @   @   @");
	mvaddstr(11, 11, " @ @  @   @  @   @      @  @  @  @   @  @@  @   @");
	mvaddstr(12, 11, "  @   @   @  @   @      @  @  @  @   @  @ @ @   @");
	mvaddstr(13, 11, "  @   @   @  @   @      @  @  @  @   @  @  @@");
	mvaddstr(14, 11, "  @    @@@    @@@        @@ @@    @@@   @   @   @");
	mvaddstr(17, 11, "Congratulations,  you have  been admitted  to  the");
	mvaddstr(18, 11, "Fighters' Guild.   You return home,  sell all your");
	mvaddstr(19, 11, "treasures at great profit and retire into comfort.");
	message("", 0);
	message("", 0);
	id_all();
	sell_pack();
	put_scores(NULL, WIN);
}

void
quit(boolean from_intrpt)
{
	char buf[128];
	short i, orow, ocol;
	boolean mc;
 
	orow = ocol = mc = 0;

	md_ignore_signals();

	if (from_intrpt) {
		orow = rogue.row;
		ocol = rogue.col;

		mc = msg_cleared;

		for (i = 0; i < DCOLS; i++) {
			buf[i] = mvinch(0, i);
		}
	}
	check_message();
	message("really quit?", 1);
	if (rgetchar() != 'y') {
		md_heed_signals();
		check_message();
		if (from_intrpt) {
			for (i = 0; i < DCOLS; i++) {
				mvaddch(0, i, buf[i]);
			}
			msg_cleared = mc;
			move(orow, ocol);
			refresh();
		}
		return;
	}
	if (from_intrpt) {
		clean_up(byebye_string);
	}
	check_message();
	killed_by(NULL, QUIT);
}

void
put_scores(const object *monster, short other)
{
	short i, n, rank = 10, x, ne = 0, found_player = -1;
	char scores[10][82];
	char n_names[10][30];
	char buf[128];
	FILE *fp;
	long s;
	boolean pause = score_only;

	md_lock(1);

	if ((fp = fopen(_PATH_SCOREFILE, "r+")) == NULL &&
	    (fp = fopen(_PATH_SCOREFILE, "w+")) == NULL) {
		message("cannot read/write/create score file", 0);
		sf_error();
	}
	rewind(fp);
	xxx(1);

	for (i = 0; i < 10; i++) {
		if (((n = fread(scores[i], sizeof(char), 80, fp)) < 80) && (n != 0)) {
			sf_error();
		} else if (n != 0) {
			xxxx(scores[i], 80);
			if ((n = fread(n_names[i], sizeof(char), 30, fp)) < 30) {
				sf_error();
			}
			xxxx(n_names[i], 30);
		} else {
			break;
		}
		ne++;
		if ((!score_only) && (found_player == -1)) {
			if (!name_cmp(scores[i]+15, login_name)) {
				x = 5;
				while (scores[i][x] == ' ') {
					x++;
				}
				s = lget_number(scores[i] + x);
				if (rogue.gold < s) {
					score_only = 1;
				} else {
					found_player = i;
				}
			}
		}
	}
	if (found_player != -1) {
		ne--;
		for (i = found_player; i < ne; i++) {
			strcpy(scores[i], scores[i+1]);
			strcpy(n_names[i], n_names[i+1]);
		}
	}
	if (!score_only) {
		for (i = 0; i < ne; i++) {
			x = 5;
			while (scores[i][x] == ' ') {
				x++;
			}
			s = lget_number(scores[i] + x);

			if (rogue.gold >= s) {
				rank = i;
				break;
			}
		}
		if (ne == 0) {
			rank = 0;
		} else if ((ne < 10) && (rank == 10)) {
			rank = ne;
		}
		if (rank < 10) {
			insert_score(scores, n_names, nick_name, rank, ne, monster,
				other);
			if (ne < 10) {
				ne++;
			}
		}
		rewind(fp);
	}

	clear();
	mvaddstr(3, 30, "Top  Ten  Rogueists");
	mvaddstr(8, 0, "Rank   Score   Name");

	md_ignore_signals();

	xxx(1);

	for (i = 0; i < ne; i++) {
		if (i == rank) {
			standout();
		}
		if (i == 9) {
			scores[i][0] = '1';
			scores[i][1] = '0';
		} else {
			scores[i][0] = ' ';
			scores[i][1] = i + '1';
		}
		nickize(buf, scores[i], n_names[i]);
		mvaddstr(i+10, 0, buf);
		if (rank < 10) {
			xxxx(scores[i], 80);
			fwrite(scores[i], sizeof(char), 80, fp);
			xxxx(n_names[i], 30);
			fwrite(n_names[i], sizeof(char), 30, fp);
		}
		if (i == rank) {
			standend();
		}
	}
	md_lock(0);
	refresh();
	fclose(fp);
	message("", 0);
	if (pause) {
		message("", 0);
	}
	clean_up("");
}

static void
insert_score(char scores[][82], char n_names[][30], const char *n_name,
	     short rank, short n, const object *monster, short other)
{
	short i;
	char buf[128];

	if (n > 0) {
		for (i = n; i > rank; i--) {
			if ((i < 10) && (i > 0)) {
				strcpy(scores[i], scores[i-1]);
				strcpy(n_names[i], n_names[i-1]);
			}
		}
	}
	sprintf(buf, "%2d    %6ld   %s: ", rank+1, rogue.gold, login_name);

	if (other) {
		switch(other) {
		case HYPOTHERMIA:
			strcat(buf, "died of hypothermia");
			break;
		case STARVATION:
			strcat(buf, "died of starvation");
			break;
		case POISON_DART:
			strcat(buf, "killed by a dart");
			break;
		case QUIT:
			strcat(buf, "quit");
			break;
		case WIN:
			strcat(buf, "a total winner");
			break;
		case KFIRE:
			strcpy(buf, "killed by fire");
			break;
		}
	} else {
		strcat(buf, "killed by ");
		if (is_vowel(m_names[monster->m_char - 'A'][0])) {
			strcat(buf, "an ");
		} else {
			strcat(buf, "a ");
		}
		strcat(buf, m_names[monster->m_char - 'A']);
	}
	sprintf(buf+strlen(buf), " on level %d ",  max_level);
	if ((other != WIN) && has_amulet()) {
		strcat(buf, "with amulet");
	}
	for (i = strlen(buf); i < 79; i++) {
		buf[i] = ' ';
	}
	buf[79] = 0;
	strcpy(scores[rank], buf);
	strcpy(n_names[rank], n_name);
}

boolean
is_vowel(short ch)
{
	return( (ch == 'a') ||
		(ch == 'e') ||
		(ch == 'i') ||
		(ch == 'o') ||
		(ch == 'u') );
}

static void
sell_pack(void)
{
	object *obj;
	short row = 2, val;
	char buf[DCOLS];

	obj = rogue.pack.next_object;

	clear();
	mvaddstr(1, 0, "Value      Item");

	while (obj) {
		if (obj->what_is != FOOD) {
			obj->identified = 1;
			val = get_value(obj);
			rogue.gold += val;

			if (row < DROWS) {
				sprintf(buf, "%5d      ", val);
				get_desc(obj, buf+11);
				mvaddstr(row++, 0, buf);
			}
		}
		obj = obj->next_object;
	}
	refresh();
	if (rogue.gold > MAX_GOLD) {
		rogue.gold = MAX_GOLD;
	}
	message("", 0);
}

static int
get_value(const object *obj)
{
	short wc;
	int val = 0;

	wc = obj->which_kind;

	switch(obj->what_is) {
	case WEAPON:
		val = id_weapons[wc].value;
		if ((wc == ARROW) || (wc == DAGGER) || (wc == SHURIKEN) ||
			(wc == DART)) {
			val *= obj->quantity;
		}
		val += (obj->d_enchant * 85);
		val += (obj->hit_enchant * 85);
		break;
	case ARMOR:
		val = id_armors[wc].value;
		val += (obj->d_enchant * 75);
		if (obj->is_protected) {
			val += 200;
		}
		break;
	case WAND:
		val = id_wands[wc].value * (obj->class + 1);
		break;
	case SCROL:
		val = id_scrolls[wc].value * obj->quantity;
		break;
	case POTION:
		val = id_potions[wc].value * obj->quantity;
		break;
	case AMULET:
		val = 5000;
		break;
	case RING:
		val = id_rings[wc].value * (obj->class + 1);
		break;
	}
	if (val <= 0) {
		val = 10;
	}
	return(val);
}

static void
id_all(void)
{
	short i;

	for (i = 0; i < SCROLS; i++) {
		id_scrolls[i].id_status = IDENTIFIED;
	}
	for (i = 0; i < WEAPONS; i++) {
		id_weapons[i].id_status = IDENTIFIED;
	}
	for (i = 0; i < ARMORS; i++) {
		id_armors[i].id_status = IDENTIFIED;
	}
	for (i = 0; i < WANDS; i++) {
		id_wands[i].id_status = IDENTIFIED;
	}
	for (i = 0; i < POTIONS; i++) {
		id_potions[i].id_status = IDENTIFIED;
	}
}

static int
name_cmp(char *s1, const char *s2)
{
	short i = 0;
	int r;

	while(s1[i] != ':') {
		i++;
	}
	s1[i] = 0;
	r = strcmp(s1, s2);
	s1[i] = ':';
	return(r);
}

void
xxxx(char *buf, short n)
{
	short i;
	unsigned char c;

	for (i = 0; i < n; i++) {

		/* It does not matter if accuracy is lost during this assignment */
		c = (unsigned char) xxx(0);

		buf[i] ^= c;
	}
}

long
xxx(boolean st)
{
	static long f, s;
	long r;

	if (st) {
		f = 37;
		s = 7;
		return(0L);
	}
	r = ((f * s) + 9337) % 8887;
	f = s;
	s = r;
	return(r);
}

static void
nickize(char *buf, const char *score, const char *n_name)
{
	short i = 15, j;

	if (!n_name[0]) {
		strcpy(buf, score);
	} else {
		strncpy(buf, score, 16);

		while (score[i] != ':') {
			i++;
		}

		strcpy(buf+15, n_name);
		j = strlen(buf);

		while (score[i]) {
			buf[j++] = score[i++];
		}
		buf[j] = 0;
		buf[79] = 0;
	}
}

static void
center(short row, const char *buf)
{
	short margin;

	margin = ((DCOLS - strlen(buf)) / 2);
	mvaddstr(row, margin, buf);
}

static void
sf_error(void)
{
	md_lock(0);
	message("", 1);
	clean_up("sorry, score file is out of order");
}
