star.c

编译后直接运行的ＭＰ３播放器全部Ｃ语言源代码 一个包含FAT文件系统、系统引导 Boot、FLASH Driver等内容的

/***************************************************************************
 *             __________               __   ___.
 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
 *                     \/            \/     \/    \/            \/
 * $Id: star.c,v 1.3 2003/12/23 22:24:48 hohensoh Exp $
 *
 * Copyright (C) 2002 Frederic Dang Ngoc
 *
 * All files in this archive are subject to the GNU General Public License.
 * See the file COPYING in the source tree root for full license agreement.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 ****************************************************************************/
#include "plugin.h"
#ifdef HAVE_LCD_BITMAP

/* file which contains the levels */
#define STAR_LEVELS_FILE "/.rockbox/star/levels.txt"

/* title of the game */
#define STAR_TITLE      "Star"

/* font used to display title */
#define STAR_TITLE_FONT  2

/* size of a level in file */
#define STAR_LEVEL_SIZE    ((STAR_WIDTH + 1) * STAR_HEIGHT + 1)

/* size of the game board */
#define STAR_WIDTH      16
#define STAR_HEIGHT      9

/* left and top margin */
#define STAR_OFFSET_X    8
#define STAR_OFFSET_Y    0

/* number of level */
#define STAR_LEVEL_COUNT 20

/* size of a tile */
#define STAR_TILE_SIZE   6

/* values of object in the board */
#define STAR_VOID       '.' 
#define STAR_WALL       '*' 
#define STAR_STAR       'o' 
#define STAR_BALL       'X' 
#define STAR_BLOCK      'x' 

/* sleep time between two frames */
#define STAR_SLEEP      1

/* value of ball and block control */
#define STAR_CONTROL_BALL  0
#define STAR_CONTROL_BLOCK 1

/* position of the ball */
static int ball_x, ball_y;

/* position of the block */
static int block_x, block_y;

/* number of stars to get to finish the level */
static int star_count;

/* the object we control : ball or block */
static int control;

/* the current board */
static char board[STAR_HEIGHT][STAR_WIDTH];

/* bitmap of the wall */
static unsigned char wall_bmp[STAR_TILE_SIZE]
    = {0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55};

/* bitmap of the star */
static unsigned char star_bmp[STAR_TILE_SIZE]
    = {0x00, 0x0c, 0x12, 0x12, 0x0c, 0x00};

/* bitmap of the ball */
static unsigned char ball_bmp[STAR_TILE_SIZE]
    = {0x00, 0x0c, 0x1e, 0x1a, 0x0c, 0x00};

/* bitmap of the block */
static unsigned char block_bmp[STAR_TILE_SIZE]
    = {0x00, 0x1e, 0x1e, 0x1e, 0x1e, 0x00};

/* bitmap of the arrow animation */
static unsigned char arrow_bmp[4][7] =
    {
        {0x7f, 0x7f, 0x3e, 0x3e, 0x1c, 0x1c, 0x08},
        {0x3e, 0x3e, 0x1c, 0x1c, 0x08, 0x08, 0x08},
        {0x1c, 0x1c, 0x1c, 0x1c, 0x08, 0x08, 0x08},
        {0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08}
    };

/* sequence of the bitmap arrow to follow to do one turn */
static unsigned char anim_arrow[8] = {0, 1, 2, 3, 2, 1, 0};

/* current_level */
static int current_level = 0;

/* char font size */
static int char_width = -1;
static int char_height = -1;

static struct plugin_api* rb;

/* this arrays contains a group of levels loaded into memory */
static unsigned char* levels = 
"****************\n"
"*X**........o*x*\n"
"*..........o.***\n"
"*.......**o....*\n"
"*...**.o......**\n"
"**.o..o.....o..*\n"
"*.o......o**.o.*\n"
"*.....**o.....o*\n"
"****************\n"
"\n"
".*..*.*.*...*.**\n"
"*...o.........X*\n"
"...*o..*o...o...\n"
"*.*.o.....o..*.*\n"
"......*...o...*.\n"
"*....*x*..o....*\n"
"...*..*.*...*oo*\n"
"*.............*.\n"
".*..*........*..\n"
"\n"
"****************\n"
"*...........o*x*\n"
"*...**......**X*\n"
"*...*o.........*\n"
"*.o.....o**...o*\n"
"*.*o..o..o*..o**\n"
"*.**o.*o..o.o***\n"
"*o....**o......*\n"
"****************\n"
"\n"
"****************\n"
"*............*x*\n"
"*.....*........*\n"
"**o*o.o*o*o*o*o*\n"
"*.*.*o.o*.*.*.**\n"
"**o*o*o.o*o*o*o*\n"
"*.....*........*\n"
"*...*.......*X.*\n"
"****************\n"
"\n"
".**************.\n"
"*X..*...*..*...*\n"
"*..*o.*.o..o.*.*\n"
"**......*..*...*\n"
"*o.*o*........**\n"
"**.....*.o.*...*\n"
"*o*..*.*.*...*x*\n"
"*...*....o*..*o*\n"
".**************.\n"
"\n"
"....************\n"
"...*...o...*o.o*\n"
"..*....o....*.**\n"
".*.....o.......*\n"
"*X.....o.......*\n"
"**.....o..*...**\n"
"*......o....*..*\n"
"*x.*...o..**o..*\n"
"****************\n"
"\n"
"****************\n"
"*..............*\n"
".**.***..*o.**o*\n"
".*o..*o.*.*.*.*.\n"
"..*..*..***.**..\n"
".**..*..*o*.*o**\n"
"*..............*\n"
"*..X*o....x..*o*\n"
"****************\n"
"\n"
"***************.\n"
"*..o**.........*\n"
"*..*o..**.o....*\n"
"*..o**.*.*o....*\n"
"**.....**..*o*.*\n"
"**.*.......o*o.*\n"
"*oxo*...o..*X*.*\n"
"**.............*\n"
".***************\n"
"\n"
"..*.***********.\n"
".*o*o......*..X*\n"
"*o.o*....o....*.\n"
".*.*..o**..o*..*\n"
"*..*o.*oxo....o*\n"
"*.....o**.....*.\n"
"*o*o.........*..\n"
"*...........*...\n"
".***********....\n"
"\n"
"....***********.\n"
"*****.o........*\n"
"*...x.***o.o*.o*\n"
"*.o...*o.*o...*.\n"
"*.....*..o..*.o*\n"
"*o*o..*.o*..*X*.\n"
".*o...***..***..\n"
"*.........*.*.*.\n"
".*********..*..*\n"
"\n"
"****************\n"
"*......*......X*\n"
"*..*oo.....oo.**\n"
"**...o...**...o*\n"
"*o....*o*oo..***\n"
"**.**....**....*\n"
"*o..o*.o....x.o*\n"
"**o***....*...**\n"
"***************.\n"
"\n"
"**.....**..****.\n"
"*X*****o.***.o**\n"
"*....oo.....o..*\n"
"*.**..**o..*o*.*\n"
"*.*.o.*.*o.**..*\n"
"*.**..**...*x*.*\n"
"*.....o........*\n"
"*........o.....*\n"
"****************\n"
"\n"
".**************.\n"
"*.X*........o.**\n"
"*.*...*o...o**.*\n"
"*.......o....*.*\n"
"*.o..........*o*\n"
"*.*......o.....*\n"
"**......o.o..*o*\n"
"*x..*....o.*.*.*\n"
".**************.\n"
"\n"
"****************\n"
"*o*o........o*o*\n"
"*.o*X......**..*\n"
"*.x........o...*\n"
"*........o*....*\n"
"*......o.......*\n"
"*.o*........*..*\n"
"*o*o........o*o*\n"
"****************\n"
"\n"
".******.********\n"
"*.....o*.....o.*\n"
"*.*.o.*..*...o.*\n"
"*..X*...*oo.*o.*\n"
".*.*...*.o..x*.*\n"
"*o.......*..*o.*\n"
".*......o.....*.\n"
"*o............o*\n"
"****************\n"
"\n"
"****************\n"
"**.x*o.o......o*\n"
"*o.Xo*o.......**\n"
"**.***........**\n"
"**.....o*o*....*\n"
"*oo.......o*o..*\n"
"**.o....****o..*\n"
"**o*..*........*\n"
"****************\n"
"\n"
"****************\n"
"*.o*........*X.*\n"
"*.*..o*oo*o..*.*\n"
"*....*o**o*.o..*\n"
"*.o*.......o*..*\n"
"*..o*o....o*...*\n"
"*.*..*.**o*..*.*\n"
"*....o.*o...x..*\n"
"****************\n"
"\n"
"****************\n"
"*.o....o..x*...*\n"
"*..*o*o...*o...*\n"
"*...*o*....*o..*\n"
"*...o..*...o*o.*\n"
"*.*o*...*.o*...*\n"
"*.o*o.*.o.*....*\n"
"*o*X..*.....*..*\n"
"****************\n"
"\n"
"****************\n"
"*o...**.....**o*\n"
"*.*..*......*o.*\n"
"*.o*...o**..o..*\n"
"*.*....*o......*\n"
"*....*...o*....*\n"
"*.**.o*.**o..*x*\n"
"*.o*.*o.....**X*\n"
"****************\n"
"\n"
"****************\n"
"*...o*o........*\n"
"**o..o*.**o...**\n"
"*.*.*.o...*..*.*\n"
"*.x.*..**..*.Xo*\n"
"*.*..*...o.*.*.*\n"
"**...o**.*o..o**\n"
"*........o*o...*\n"
"****************";

/**
 * Display text.
 */
static void star_display_text(char *str, bool waitkey)
{
    int chars_by_line;
    int lines_by_screen;
    int chars_for_line;
    int current_line = 0;
    int first_char_index = 0;
    char *ptr_char;
    char *ptr_line;
    int i;
    char line[255];
    int key;

    rb->lcd_clear_display();

    chars_by_line = LCD_WIDTH / char_width;
    lines_by_screen = LCD_HEIGHT / char_height;

    do
    {
        ptr_char = str + first_char_index;
        chars_for_line = 0;
        i = 0;
        ptr_line = line;
        while (i < chars_by_line)
        {
            switch (*ptr_char)
            {
                case '\t':
                case ' ':
                    *(ptr_line++) = ' ';
                case '\n':
                case '\0':
                    chars_for_line = i;
                    break;

                default:
                    *(ptr_line++) = *ptr_char;
            }
            if (*ptr_char == '\n' || *ptr_char == '\0')
                break;
            ptr_char++;
            i++;
        }

        if (chars_for_line == 0)
            chars_for_line = i;

        line[chars_for_line] = '\0';

        // test if we have cutted a word. If it is the case we don't have to
        // skip the space
        if (i == chars_by_line && chars_for_line == chars_by_line)
            first_char_index += chars_for_line;
        else
            first_char_index += chars_for_line + 1;

        // print the line on the screen
        rb->lcd_putsxy(0, current_line * char_height, line);

        // if the number of line showed on the screen is equals to the
        // maximum number of line we can show, we wait for a key pressed to
        // clear and show the remaining text.
        current_line++;
        if (current_line == lines_by_screen || *ptr_char == '\0')
        {
            current_line = 0;
            rb->lcd_update();
            if (waitkey)
                while ((key = rb->button_get(true)) != BUTTON_PLAY
                       && key != BUTTON_ON
                       && key != BUTTON_DOWN);
            rb->lcd_clear_display();
        }
    } while (*ptr_char != '\0');
}