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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

 */

/** @addtogroup tetris

 * @{

 */

/** @file

 */

/*

 * 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 <stdio.h>

#include <string.h>

#include <io/console.h>

#include <io/keycode.h>

#include <vfs/vfs.h>

#include <stdlib.h>

#include <fcntl.h>

#include <err.h>

#include <time.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 struct highscore scores[NUMSPOTS];

/** Copy from hiscore table score with index src to dest

 *

 */

static void copyhiscore(int dest, int src)

{

    str_cpy(scores[dest].hs_name, STR_BOUNDS(MAXLOGNAME) + 1,

        scores[src].hs_name);

    scores[dest].hs_score = scores[src].hs_score;

    scores[dest].hs_level = scores[src].hs_level;

}

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();

}

void insertscore(int score, int level)

{

    int i;

    int j;

    size_t off;

    console_event_t ev;

    clear_screen();

    moveto(10, 10);

    puts("Insert your name: ");

    str_cpy(scores[NUMSPOTS - 1].hs_name, STR_BOUNDS(MAXLOGNAME) + 1,

        "Player");

    i = 6;

    off = 6;

    moveto(10 , 28);

    printf("%s%.*s", scores[NUMSPOTS - 1].hs_name, MAXLOGNAME-i,

        "........................................");

    while (1) {

        fflush(stdout);

        if (!console_get_event(fphone(stdin), &ev))

            exit(1);

        if (ev.type == KEY_RELEASE)

            continue;

        if (ev.key == KC_ENTER || ev.key == KC_NENTER)

            break;

        if (ev.key == KC_BACKSPACE) {

            if (i > 0) {

                wchar_t uc;

                --i;

                while (off > 0) {

                    --off;

                    size_t otmp = off;

                    uc = str_decode(scores[NUMSPOTS - 1].hs_name,

                        &otmp, STR_BOUNDS(MAXLOGNAME) + 1);

                    if (uc != U_SPECIAL)

                        break;

                }

                scores[NUMSPOTS - 1].hs_name[off] = '\0';

            }

        } else if (ev.c != '\0') {

            if (i < (MAXLOGNAME - 1)) {

                if (chr_encode(ev.c, scores[NUMSPOTS - 1].hs_name,

                    &off, STR_BOUNDS(MAXLOGNAME) + 1) == EOK) {

                    ++i;

                }

                scores[NUMSPOTS - 1].hs_name[off] = '\0';

            }

        }

        moveto(10, 28);

        printf("%s%.*s", scores[NUMSPOTS - 1].hs_name, MAXLOGNAME - i,

            "........................................");

    }

    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++) {

        str_cpy(scores[i].hs_name, STR_BOUNDS(MAXLOGNAME) + 1, "HelenOS Team");

        scores[i].hs_score = (NUMSPOTS - i) * 200;

        scores[i].hs_level = (i + 1 > MAXLEVEL ? MAXLEVEL : i + 1);

    }

}

int loadscores(void)

{

    FILE *f;

    size_t cnt;

    int rc;

    f = fopen("/data/tetris.sco", "rb");

    if (f == NULL)

        return ENOENT;

    cnt = fread(scores, sizeof(struct highscore), NUMSPOTS, f);

    rc = fclose(f);

    if (cnt != NUMSPOTS || rc != 0)

        return EIO;

    return EOK;

}

void savescores(void)

{

    FILE *f;

    size_t cnt;

    int rc;

    f = fopen("/data/tetris.sco", "wb");

    cnt = fwrite(scores, sizeof(struct highscore), NUMSPOTS, f);

    rc = fclose(f);

    if (cnt != NUMSPOTS || rc != 0)

        printf("Error saving score table\n");

}

/** @}

 */