minix/games/rogue/score.c

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/* $NetBSD: score.c,v 1.16 2011/08/26 06:18:17 dholland Exp $ */
/*
* 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. 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.
*/
#include <sys/cdefs.h>
#ifndef lint
#if 0
static char sccsid[] = "@(#)score.c 8.1 (Berkeley) 5/31/93";
#else
__RCSID("$NetBSD: score.c,v 1.16 2011/08/26 06:18:17 dholland Exp $");
#endif
#endif /* not lint */
/*
* 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"
static void center(short, const char *);
static int get_value(const object *);
static void id_all(void);
static void sell_pack(void);
static void sf_error(void) __dead;
void
killed_by(const object *monster, short other)
{
const char *mechanism = "killed by something unknown (?)";
char mechanism_buf[128];
const char *article;
char message_buf[128];
md_ignore_signals();
if (other != QUIT) {
rogue.gold = ((rogue.gold * 9) / 10);
}
if (other) {
switch(other) {
case HYPOTHERMIA:
mechanism = "died of hypothermia";
break;
case STARVATION:
mechanism = "died of starvation";
break;
case POISON_DART:
mechanism = "killed by a dart";
break;
case QUIT:
mechanism = "quit";
break;
case KFIRE:
mechanism = "killed by fire";
break;
}
} else {
if (is_vowel(m_names[monster->m_char - 'A'][0])) {
article = "an";
} else {
article = "a";
}
snprintf(mechanism_buf, sizeof(mechanism_buf),
"Killed by %s %s",
article, m_names[monster->m_char - 'A']);
mechanism = mechanism_buf;
}
snprintf(message_buf, sizeof(message_buf),
"%s with %ld gold", mechanism, 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, message_buf);
} else {
messagef(0, "%s", message_buf);
}
messagef(0, "%s", ""); /* gcc objects to just "" */
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.");
messagef(0, "%s", ""); /* gcc objects to just "" */
messagef(0, "%s", ""); /* gcc objects to just "" */
id_all();
sell_pack();
put_scores(NULL, WIN);
}
void
quit(boolean from_intrpt)
{
char buf[DCOLS];
short i, orow, ocol;
boolean mc;
orow = ocol = 0;
mc = FALSE;
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();
messagef(1, "really quit?");
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);
}
/*
* The score file on disk is up to ten entries of the form
* score block [80 bytes]
* nickname block [30 bytes]
*
* The score block is to be parsed as follows:
* bytes 0-1 Rank (" 1" to "10")
* bytes 2-4 space padding
* bytes 5-15 Score/gold
* byte 15 up to a ':' Login name
* past the ':' Death mechanism
*
* The nickname block is an alternate name to be printed in place of the
* login name. Both blocks are supposed to contain a null-terminator.
*/
struct score_entry {
long gold;
char username[80];
char death[80];
char nickname[30];
};
#define NUM_SCORE_ENTRIES 10
static void make_score(struct score_entry *, const object *, int);
static
void
pad_spaces(char *str, size_t len)
{
size_t x;
for (x=strlen(str); x<len-1; x++) {
str[x] = ' ';
}
str[len-1] = 0;
}
static
void
unpad_spaces(char *str)
{
size_t x;
for (x=strlen(str); x>0 && str[x-1]==' '; x--);
str[x] = 0;
}
static
int
read_score_entry(struct score_entry *se, FILE *fp)
{
char score_block[80];
char nickname_block[30];
size_t n, x;
n = fread(score_block, 1, sizeof(score_block), fp);
if (n==0) {
/* EOF */
return 0;
}
if (n != sizeof(score_block)) {
sf_error();
}
n = fread(nickname_block, 1, sizeof(nickname_block), fp);
if (n != sizeof(nickname_block)) {
sf_error();
}
xxxx(score_block, sizeof(score_block));
xxxx(nickname_block, sizeof(nickname_block));
/* Ensure null termination */
score_block[sizeof(score_block)-1] = 0;
nickname_block[sizeof(nickname_block)-1] = 0;
/* If there are other nulls in the score block, file is corrupt */
if (strlen(score_block)!=sizeof(score_block)-1) {
sf_error();
}
/* but this is NOT true of the nickname block */
/* quash trailing spaces */
unpad_spaces(score_block);
unpad_spaces(nickname_block);
for (x=5; score_block[x] == ' '; x++);
se->gold = lget_number(score_block+x);
for (x=15; score_block[x] != 0 && score_block[x] != ':'; x++);
if (score_block[x] == 0) {
sf_error();
}
score_block[x++] = 0;
strlcpy(se->username, score_block+15, sizeof(se->username));
strlcpy(se->death, score_block+x, sizeof(se->death));
strlcpy(se->nickname, nickname_block, sizeof(se->nickname));
return 1;
}
static
void
write_score_entry(const struct score_entry *se, int rank, FILE *fp)
{
char score_block[80];
char nickname_block[30];
/* avoid writing crap to score file */
memset(score_block, 0, sizeof(score_block));
memset(nickname_block, 0, sizeof(nickname_block));
snprintf(score_block, sizeof(score_block),
"%2d %6ld %s: %s",
rank+1, se->gold, se->username, se->death);
strlcpy(nickname_block, se->nickname, sizeof(nickname_block));
/* pad blocks out with spaces */
pad_spaces(score_block, sizeof(score_block));
/*pad_spaces(nickname_block, sizeof(nickname_block)); -- wrong! */
xxxx(score_block, sizeof(score_block));
xxxx(nickname_block, sizeof(nickname_block));
fwrite(score_block, 1, sizeof(score_block), fp);
fwrite(nickname_block, 1, sizeof(nickname_block), fp);
}
void
put_scores(const object *monster, short other)
{
short i, rank=-1, found_player = -1, numscores = 0;
struct score_entry scores[NUM_SCORE_ENTRIES];
const char *name;
FILE *fp;
boolean dopause = score_only;
md_lock(1);
setegid(egid);
if ((fp = fopen(_PATH_SCOREFILE, "r+")) == NULL &&
(fp = fopen(_PATH_SCOREFILE, "w+")) == NULL) {
setegid(gid);
messagef(0, "cannot read/write/create score file");
sf_error();
}
setegid(gid);
rewind(fp);
(void)xxx(1);
for (numscores = 0; numscores < NUM_SCORE_ENTRIES; numscores++) {
if (read_score_entry(&scores[numscores], fp) == 0) {
break;
}
}
/* Search the score list. */
for (i=0; i<numscores; i++) {
if (!strcmp(scores[i].username, login_name)) {
/* found our score */
if (rogue.gold < scores[i].gold) {
/* we didn't do as well as last time */
score_only = 1;
} else {
/* we did better; mark entry for removal */
found_player = i;
}
break;
}
}
/* Remove a superseded entry, if any. */
if (found_player != -1) {
numscores--;
for (i = found_player; i < numscores; i++) {
scores[i] = scores[i+1];
}
}
/* If we're going to insert ourselves, do it now */
if (!score_only) {
/* if we aren't better than anyone, add at end. */
rank = numscores;
/* Otherwise, find our slot. */
for (i = 0; i < numscores; i++) {
if (rogue.gold >= scores[i].gold) {
rank = i;
break;
}
}
if (rank < NUM_SCORE_ENTRIES) {
/* Open up a slot */
for (i = numscores; i > rank; i--) {
scores[i] = scores[i-1];
}
numscores++;
/* Put our info in the slot */
make_score(&scores[rank], monster, other);
}
/* Now rewrite the score file */
md_ignore_signals();
rewind(fp);
(void)xxx(1);
for (i = 0; i < numscores; i++) {
write_score_entry(&scores[i], i, fp);
}
}
md_lock(0);
fclose(fp);
/* Display the scores */
clear();
mvaddstr(3, 30, "Top Ten Rogueists");
mvaddstr(8, 0, "Rank Score Name");
for (i = 0; i < numscores; i++) {
if (i == rank) {
standout();
}
if (scores[i].nickname[0]) {
name = scores[i].nickname;
} else {
name = scores[i].username;
}
mvprintw(i+10, 0, "%2d %6ld %s: %s",
i+1, scores[i].gold, name, scores[i].death);
if (i == rank) {
standend();
}
}
refresh();
messagef(0, "%s", ""); /* gcc objects to just "" */
if (dopause) {
messagef(0, "%s", "");
}
clean_up("");
}
static
void
make_score(struct score_entry *se, const object *monster, int other)
{
const char *death = "bolts from the blue (?)";
const char *hasamulet;
char deathbuf[80];
se->gold = rogue.gold;
strlcpy(se->username, login_name, sizeof(se->username));
if (other) {
switch(other) {
case HYPOTHERMIA:
death = "died of hypothermia";
break;
case STARVATION:
death = "died of starvation";
break;
case POISON_DART:
death = "killed by a dart";
break;
case QUIT:
death = "quit";
break;
case WIN:
death = "a total winner";
break;
case KFIRE:
death = "killed by fire";
break;
}
} else {
const char *mn, *article;
mn = m_names[monster->m_char - 'A'];
if (is_vowel(mn[0])) {
article = "an";
} else {
article = "a";
}
snprintf(deathbuf, sizeof(deathbuf),
"killed by %s %s", article, mn);
death = deathbuf;
}
if (other != WIN && has_amulet()) {
hasamulet = " with amulet";
} else {
hasamulet = "";
}
snprintf(se->death, sizeof(se->death), "%s on level %d%s",
death, max_level, hasamulet);
strlcpy(se->nickname, nick_name, sizeof(se->nickname));
}
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) {
get_desc(obj, buf, sizeof(buf));
mvprintw(row++, 0, "%5d %s", val, buf);
}
}
obj = obj->next_object;
}
refresh();
if (rogue.gold > MAX_GOLD) {
rogue.gold = MAX_GOLD;
}
messagef(0, "%s", ""); /* gcc objects to just "" */
}
static int
get_value(const object *obj)
{
short wc;
int val;
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;
}
}
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
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);
messagef(1, "%s", ""); /* gcc objects to just "" */
clean_up("sorry, score file is out of order");
}