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/* highscore.c
Highscore functionality. */
#include <stdio.h>
#include <stdlib.h>
#include <curses.h>
#include <string.h>
#include "petris.h"
#include "config.h"
#include "highscore.h"
#include "main.h"
/* "Highscore entry" type. */
typedef struct _hs_entry {
char name[11];
unsigned int points;
} hs_entry;
/* Array of highscore entries. */
hs_entry hs_list[SIZE_HS_LIST];
int load_highscores()
{
FILE *file;
int i;
size_t items;
if ((file = fopen(HIGHSCORE_FILE, "r")) == NULL) {
/* Failed opening file, give array sane values. */
message("Failed to open highscore file. Creating empty list.");
for (i = 0; i < SIZE_HS_LIST; i++) {
hs_list[i].name[0] = (char)0;
hs_list[i].points = 0;
}
return 1;
}
/* Open ok, read file. */
items = fread(hs_list, sizeof(hs_entry), SIZE_HS_LIST, file);
/* Fill rest of array if file was too small. */
for (i = items; i < SIZE_HS_LIST; i++) {
hs_list[i].name[0] = '\0';
hs_list[i].points = 0;
}
fclose(file);
return 1;
}
int save_highscores()
{
FILE *file;
if ((file = fopen(HIGHSCORE_FILE, "w")) == NULL) {
message("Error saving highscore file. Your new highscore entry is lost :-(");
return 0;
}
fwrite(hs_list, sizeof(hs_entry), SIZE_HS_LIST, file);
fclose(file);
return 1;
}
void insert_hs_entry(int index, char *name, unsigned int points)
{
int i;
/* Move entries one position down starting at index. */
for (i = SIZE_HS_LIST - 1; i > index; i--) {
strncpy(hs_list[i].name, hs_list[i-1].name, sizeof(hs_list[i].name)-1);
hs_list[i].points = hs_list[i-1].points;
}
/* Insert new entry. */
memset(hs_list[index].name, '\0', sizeof(hs_list[index].name));
strncpy(hs_list[index].name, name, sizeof(hs_list[index].name)-1);
hs_list[index].points = points;
}
int check_highscores(unsigned int points)
{
int i;
char *name;
name = getenv("USER");
if (NULL == name)
name = "nobody";
load_highscores();
/* Check for new highscore. */
for (i = 0; i < SIZE_HS_LIST; i++)
if (points >= hs_list[i].points) {
insert_hs_entry(i, name, points);
save_highscores();
return i + 1;
}
return 0;
}
int view_highscores()
{
WINDOW *win;
char *name;
int i;
int ch;
/* Get username */
name = getenv("USER");
if (NULL == name)
name = "nobody";
load_highscores();
/* Place window in the middle of the screen. */
win = newwin(21, 24,
LINES / 2 - (10 + SIZE_HS_LIST) / 2, COLS / 2 - 12);
box(win, 0, 0);
wattrset(win, COLOR_PAIR(COLOR_MSG) | A_BOLD);
mvwprintw(win, 2, 6, "Highscores:");
wattroff(win, A_BOLD);
mvwprintw(win, 4, 2, "%-12sPoints:", "Name:");
/* Print highscore list. */
wattrset(win, COLOR_PAIR(COLOR_POINTS));
for (i = 0; i < SIZE_HS_LIST; i++) {
if (0 == strcmp(hs_list[i].name, name))
wattron(win, A_BOLD);
else
wattroff(win, A_BOLD);
mvwprintw(win, 6 + i, 2, "%-12s%7d",
hs_list[i].name, hs_list[i].points);
}
wattrset(win, COLOR_PAIR(COLOR_MSG));
mvwprintw(win, 6 + SIZE_HS_LIST + 1, 2, "Press q to quit, any");
mvwprintw(win, 6 + SIZE_HS_LIST + 2, 2, "other key to cont.");
update_screen();
wrefresh(win);
nodelay(stdscr, FALSE);
ch = getch(); if (ch == ERR) exit_after_error();
if (ch == 'q' || ch == 'Q')
return 0;
else
return 1;
nodelay(stdscr, TRUE);
delwin(win);
}
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