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/* $OpenBSD: scores.c,v 1.11 2006/04/20 03:25:36 ray Exp $ */
/* $NetBSD: scores.c,v 1.2 1995/04/22 07:42:38 cgd Exp $ */
/*-
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Chris Torek and Darren F. Provine.
*
* 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.
*
* @(#)scores.c 8.1 (Berkeley) 5/31/93
*/
/*
* Score code for Tetris, by Darren Provine (kilroy@gboro.glassboro.edu)
* modified 22 January 1992, to limit the number of entries any one
* person has.
*
* Major whacks since then.
*/
#include <errno.h>
/* #include <err.h> */
/* #include <fcntl.h> */
/* #include <pwd.h> */
#include <stdio.h>
/* #include <stdlib.h> */
#include <string.h>
/* #include <time.h> */
/* #include <term.h> */
/* #include <unistd.h> */
/* #include <sys/param.h> */
/* #include <sys/stat.h> */
/* #include <sys/types.h> */
#include "pathnames.h"
#include "screen.h"
#include "tetris.h"
#include "scores.h"
/*
* Within this code, we can hang onto one extra "high score", leaving
* room for our current score (whether or not it is high).
*
* We also sometimes keep tabs on the "highest" score on each level.
* As long as the scores are kept sorted, this is simply the first one at
* that level.
*/
#define NUMSPOTS (MAXHISCORES + 1)
#define NLEVELS (MAXLEVEL + 1)
/* static time_t now; */
/* static int nscores; */
/* static int gotscores; */
/* static struct highscore scores[NUMSPOTS]; */
static struct highscore scores[NUMSPOTS];
/* static int checkscores(struct highscore *, int); */
/* static int cmpscores(const void *, const void *); */
/* static void getscores(FILE **); */
/* static void printem(int, int, struct highscore *, int, const char *); */
/* static char *thisuser(void); */
void showscores(int firstgame)
{
int i;
clear_screen();
moveto(10, 0);
printf("\tRank \tLevel \tName\t points\n");
printf("\t========================================================\n");
for (i = 0; i < NUMSPOTS - 1; i++) {
printf("\t%6d %6d %-16s %20d\n", i+1, scores[i].hs_level, scores[i].hs_name, scores[i].hs_score);
}
if (!firstgame) {
printf("\t========================================================\n");
printf("\t Last %6d %-16s %20d\n", scores[NUMSPOTS - 1].hs_level, scores[NUMSPOTS - 1].hs_name, scores[NUMSPOTS - 1].hs_score);
}
printf("\n\n\n\n\tPress any key to return to main menu.");
getchar();
}
/** Copy from hiscore table score with index src to dest
*
*/
static void copyhiscore(int dest, int src)
{
strcpy(scores[dest].hs_name, scores[src].hs_name);
scores[dest].hs_score = scores[src].hs_score;
scores[dest].hs_level = scores[src].hs_level;
}
void insertscore(int score, int level)
{
int i,j;
int key;
clear_screen();
moveto(10 , 10);
puts("Insert your name: ");
strncpy(scores[NUMSPOTS - 1].hs_name, "Player", MAXLOGNAME);
i = 6;
moveto(10 , 28);
printf("%s%.*s",scores[NUMSPOTS - 1].hs_name,MAXLOGNAME-i,"........................................");
key = getchar();
while(key != '\n') {
if (key == '\b') {
if (i > 0)
scores[NUMSPOTS - 1].hs_name[--i] = '\0';
} else {
if (i < (MAXLOGNAME - 1))
scores[NUMSPOTS - 1].hs_name[i++] = key;
scores[NUMSPOTS - 1].hs_name[i] = '\0';
}
moveto(10 , 28);
printf("%s%.*s",scores[NUMSPOTS - 1].hs_name,MAXLOGNAME-i,"........................................");
key = getchar();
}
scores[NUMSPOTS - 1].hs_score = score;
scores[NUMSPOTS - 1].hs_level = level;
i = NUMSPOTS-1;
while ((i > 0) && (scores[i - 1].hs_score < score))
i--;
for (j = NUMSPOTS - 2; j > i; j--) {
copyhiscore(j,j-1);
}
copyhiscore(i, NUMSPOTS - 1);
}
void initscores(void)
{
int i;
for(i = 0; i < NUMSPOTS; i++) {
strncpy(scores[i].hs_name, "HelenOS Team", MAXLOGNAME);
scores[i].hs_score = (NUMSPOTS - i) * 200;
scores[i].hs_level = (i + 1 > MAXLEVEL?MAXLEVEL:i + 1);
}
}
/*
* Read the score file. Can be called from savescore (before showscores)
* or showscores (if savescore will not be called). If the given pointer
* is not NULL, sets *fpp to an open file pointer that corresponds to a
* read/write score file that is locked with LOCK_EX. Otherwise, the
* file is locked with LOCK_SH for the read and closed before return.
*
* Note, we assume closing the stdio file releases the lock.
*/
/* static void */
/* getscores(FILE **fpp) */
/* { */
/* int sd, mint, lck, mask, i; */
/* char *mstr, *human; */
/* FILE *sf; */
/* if (fpp != NULL) { */
/* mint = O_RDWR | O_CREAT; */
/* mstr = "r+"; */
/* human = "read/write"; */
/* lck = LOCK_EX; */
/* } else { */
/* mint = O_RDONLY; */
/* mstr = "r"; */
/* human = "reading"; */
/* lck = LOCK_SH; */
/* } */
/* setegid(egid); */
/* mask = umask(S_IWOTH); */
/* sd = open(_PATH_SCOREFILE, mint, 0666); */
/* (void)umask(mask); */
/* setegid(gid); */
/* if (sd < 0) { */
/* if (fpp == NULL) { */
/* nscores = 0; */
/* return; */
/* } */
/* err(1, "cannot open %s for %s", _PATH_SCOREFILE, human); */
/* } */
/* setegid(egid); */
/* if ((sf = fdopen(sd, mstr)) == NULL) */
/* err(1, "cannot fdopen %s for %s", _PATH_SCOREFILE, human); */
/* setegid(gid); */
/* /\* */
/* * Grab a lock. */
/* *\/ */
/* if (flock(sd, lck)) */
/* warn("warning: score file %s cannot be locked", */
/* _PATH_SCOREFILE); */
/* nscores = fread(scores, sizeof(scores[0]), MAXHISCORES, sf); */
/* if (ferror(sf)) */
/* err(1, "error reading %s", _PATH_SCOREFILE); */
/* for (i = 0; i < nscores; i++) */
/* if (scores[i].hs_level < MINLEVEL || */
/* scores[i].hs_level > MAXLEVEL) */
/* errx(1, "scorefile %s corrupt", _PATH_SCOREFILE); */
/* if (fpp) */
/* *fpp = sf; */
/* else */
/* (void)fclose(sf); */
/* } */
void
savescore(int level)
{
return;
}
/* struct highscore *sp; */
/* int i; */
/* int change; */
/* FILE *sf; */
/* const char *me; */
/* getscores(&sf); */
/* gotscores = 1; */
/* (void)time(&now); */
/* /\* */
/* * Allow at most one score per person per level -- see if we */
/* * can replace an existing score, or (easiest) do nothing. */
/* * Otherwise add new score at end (there is always room). */
/* *\/ */
/* change = 0; */
/* me = thisuser(); */
/* for (i = 0, sp = &scores[0]; i < nscores; i++, sp++) { */
/* if (sp->hs_level != level || strcmp(sp->hs_name, me) != 0) */
/* continue; */
/* if (score > sp->hs_score) { */
/* (void)printf("%s bettered %s %d score of %d!\n", */
/* "\nYou", "your old level", level, */
/* sp->hs_score * sp->hs_level); */
/* sp->hs_score = score; /\* new score *\/ */
/* sp->hs_time = now; /\* and time *\/ */
/* change = 1; */
/* } else if (score == sp->hs_score) { */
/* (void)printf("%s tied %s %d high score.\n", */
/* "\nYou", "your old level", level); */
/* sp->hs_time = now; /\* renew it *\/ */
/* change = 1; /\* gotta rewrite, sigh *\/ */
/* } /\* else new score < old score: do nothing *\/ */
/* break; */
/* } */
/* if (i >= nscores) { */
/* strlcpy(sp->hs_name, me, sizeof sp->hs_name); */
/* sp->hs_level = level; */
/* sp->hs_score = score; */
/* sp->hs_time = now; */
/* nscores++; */
/* change = 1; */
/* } */
/* if (change) { */
/* /\* */
/* * Sort & clean the scores, then rewrite. */
/* *\/ */
/* nscores = checkscores(scores, nscores); */
/* rewind(sf); */
/* if (fwrite(scores, sizeof(*sp), nscores, sf) != nscores || */
/* fflush(sf) == EOF) */
/* warnx("error writing %s: %s\n\t-- %s", */
/* _PATH_SCOREFILE, strerror(errno), */
/* "high scores may be damaged"); */
/* } */
/* (void)fclose(sf); /\* releases lock *\/ */
/* } */
/*
* Get login name, or if that fails, get something suitable.
* The result is always trimmed to fit in a score.
*/
/* static char * */
/* thisuser(void) */
/* { */
/* const char *p; */
/* struct passwd *pw; */
/* static char u[sizeof(scores[0].hs_name)]; */
/* if (u[0]) */
/* return (u); */
/* p = getlogin(); */
/* if (p == NULL || *p == '\0') { */
/* pw = getpwuid(getuid()); */
/* if (pw != NULL) */
/* p = pw->pw_name; */
/* else */
/* p = " ???"; */
/* } */
/* strlcpy(u, p, sizeof(u)); */
/* return (u); */
/* } */
/*
* Score comparison function for qsort.
*
* If two scores are equal, the person who had the score first is
* listed first in the highscore file.
*/
/* static int */
/* cmpscores(const void *x, const void *y) */
/* { */
/* const struct highscore *a, *b; */
/* long l; */
/* a = x; */
/* b = y; */
/* l = (long)b->hs_level * b->hs_score - (long)a->hs_level * a->hs_score; */
/* if (l < 0) */
/* return (-1); */
/* if (l > 0) */
/* return (1); */
/* if (a->hs_time < b->hs_time) */
/* return (-1); */
/* if (a->hs_time > b->hs_time) */
/* return (1); */
/* return (0); */
/* } */
/*
* If we've added a score to the file, we need to check the file and ensure
* that this player has only a few entries. The number of entries is
* controlled by MAXSCORES, and is to ensure that the highscore file is not
* monopolised by just a few people. People who no longer have accounts are
* only allowed the highest score. Scores older than EXPIRATION seconds are
* removed, unless they are someone's personal best.
* Caveat: the highest score on each level is always kept.
*/
/* static int */
/* checkscores(struct highscore *hs, int num) */
/* { */
/* struct highscore *sp; */
/* int i, j, k, numnames; */
/* int levelfound[NLEVELS]; */
/* struct peruser { */
/* char *name; */
/* int times; */
/* } count[NUMSPOTS]; */
/* struct peruser *pu; */
/* /\* */
/* * Sort so that highest totals come first. */
/* * */
/* * levelfound[i] becomes set when the first high score for that */
/* * level is encountered. By definition this is the highest score. */
/* *\/ */
/* qsort((void *)hs, nscores, sizeof(*hs), cmpscores); */
/* for (i = MINLEVEL; i < NLEVELS; i++) */
/* levelfound[i] = 0; */
/* numnames = 0; */
/* for (i = 0, sp = hs; i < num;) { */
/* /\* */
/* * This is O(n^2), but do you think we care? */
/* *\/ */
/* for (j = 0, pu = count; j < numnames; j++, pu++) */
/* if (strcmp(sp->hs_name, pu->name) == 0) */
/* break; */
/* if (j == numnames) { */
/* /\* */
/* * Add new user, set per-user count to 1. */
/* *\/ */
/* pu->name = sp->hs_name; */
/* pu->times = 1; */
/* numnames++; */
/* } else { */
/* /\* */
/* * Two ways to keep this score: */
/* * - Not too many (per user), still has acct, & */
/* * score not dated; or */
/* * - High score on this level. */
/* *\/ */
/* if ((pu->times < MAXSCORES && */
/* getpwnam(sp->hs_name) != NULL && */
/* sp->hs_time + EXPIRATION >= now) || */
/* levelfound[sp->hs_level] == 0) */
/* pu->times++; */
/* else { */
/* /\* */
/* * Delete this score, do not count it, */
/* * do not pass go, do not collect $200. */
/* *\/ */
/* num--; */
/* for (k = i; k < num; k++) */
/* hs[k] = hs[k + 1]; */
/* continue; */
/* } */
/* } */
/* levelfound[sp->hs_level] = 1; */
/* i++, sp++; */
/* } */
/* return (num > MAXHISCORES ? MAXHISCORES : num); */
/* } */
/*
* Show current scores. This must be called after savescore, if
* savescore is called at all, for two reasons:
* - Showscores munches the time field.
* - Even if that were not the case, a new score must be recorded
* before it can be shown anyway.
*/
/*
void
showscores(int level)
{
return;
}
*/
/* struct highscore *sp; */
/* int i, n, c; */
/* const char *me; */
/* int levelfound[NLEVELS]; */
/* if (!gotscores) */
/* getscores((FILE **)NULL); */
/* (void)printf("\n\t\t Tetris High Scores\n"); */
/* /\* */
/* * If level == 0, the person has not played a game but just asked for */
/* * the high scores; we do not need to check for printing in highlight */
/* * mode. If SOstr is null, we can't do highlighting anyway. */
/* *\/ */
/* me = level && SOstr ? thisuser() : NULL; */
/* /\* */
/* * Set times to 0 except for high score on each level. */
/* *\/ */
/* for (i = MINLEVEL; i < NLEVELS; i++) */
/* levelfound[i] = 0; */
/* for (i = 0, sp = scores; i < nscores; i++, sp++) { */
/* if (levelfound[sp->hs_level]) */
/* sp->hs_time = 0; */
/* else { */
/* sp->hs_time = 1; */
/* levelfound[sp->hs_level] = 1; */
/* } */
/* } */
/* /\* */
/* * Page each screenful of scores. */
/* *\/ */
/* for (i = 0, sp = scores; i < nscores; sp += n) { */
/* n = 20; */
/* if (i + n > nscores) */
/* n = nscores - i; */
/* printem(level, i + 1, sp, n, me); */
/* if ((i += n) < nscores) { */
/* (void)printf("\nHit RETURN to continue."); */
/* (void)fflush(stdout); */
/* while ((c = getchar()) != '\n') */
/* if (c == EOF) */
/* break; */
/* (void)printf("\n"); */
/* } */
/* } */
/* if (nscores == 0) */
/* printf("\t\t\t - none to date.\n"); */
/* } */
/* static void */
/* printem(int level, int offset, struct highscore *hs, int n, const char *me) */
/* { */
/* struct highscore *sp; */
/* int row, highlight, i; */
/* char buf[100]; */
/* #define TITLE "Rank Score Name (points/level)" */
/* #define TITL2 "==========================================================" */
/* printf("%s\n%s\n", TITLE, TITL2); */
/* highlight = 0; */
/* for (row = 0; row < n; row++) { */
/* sp = &hs[row]; */
/* (void)snprintf(buf, sizeof(buf), */
/* "%3d%c %6d %-31s (%6d on %d)\n", */
/* row + offset, sp->hs_time ? '*' : ' ', */
/* sp->hs_score * sp->hs_level, */
/* sp->hs_name, sp->hs_score, sp->hs_level); */
/* /\* Print leaders every three lines *\/ */
/* if ((row + 1) % 3 == 0) { */
/* for (i = 0; i < sizeof(buf); i++) */
/* if (buf[i] == ' ') */
/* buf[i] = '_'; */
/* } */
/* /\* */
/* * Highlight if appropriate. This works because */
/* * we only get one score per level. */
/* *\/ */
/* if (me != NULL && */
/* sp->hs_level == level && */
/* sp->hs_score == score && */
/* strcmp(sp->hs_name, me) == 0) { */
/* putpad(SOstr); */
/* highlight = 1; */
/* } */
/* (void)printf("%s", buf); */
/* if (highlight) { */
/* putpad(SEstr); */
/* highlight = 0; */
/* } */
/* } */
/* } */