minezj Class Reference

The java.applet.Applet extending class which represents simple implementation of minesweeper game. More...

List of all members.

Public Member Functions
String	getAppletInfo ()
	Provides applet information text.
void	init ()
	Applet initialization routine.
void	reset_game ()
	Prepares all stuff for new game.
void	start ()
	Starts a brand new game.
boolean	mouseDown (Event e, int x, int y)
	Evaluate mouse button press event and perform action according to current state of the game.
void	paint (Graphics g)
	Paint applet's window.
synchronized void	update (Graphics g)
	update applet's window.
Private Member Functions
boolean	is_empty (int x, int y)
	Queries is empty and there are no mine fields surrounding it.
void	revealcount (int x, int y)
	Uncovers a field specified by position.
void	zeroafter909 (int x, int y)
	Recursively uncover all adjoining empty fields starting at specified position.
void	do_draw (Graphics g)
	Repaint whole scene.
Private Attributes
Image	buffer
	Screen buffer.
Graphics	screen
	Screen destination.
byte[]	pground
	Battlefield.
Image[]	img
	Array containing all sprites.
boolean	fl_done
	Game state (true => game done).
int	screen_x
	Applet screen width.
int	screen_y
	Applet screen height.
int	bgcolor = 0xE0E0E0
	Default background color.
int	nr_mines = 85
	Number of mines in the game.
int	size_x = 30
	Playground's width (number of cells).
int	size_y = 15
	Playground's height (number of cells).
int	nr_uncovered = 0
	Count of uncovered fields.
final byte	F_MINE = 9
	Mine field.
final byte	B_UNCOVERED = 0x10
	Uncovered field.
final byte	B_MARKED = 0x20
	Marked field (mine suspection).
final byte	COUNT_MASK = 0x0F
	Low-nibble mask. It holds count of surrounding mines (0-8).
final byte	C_SIZE = 15
	Cell size in pixels.

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Detailed Description

The java.applet.Applet extending class which represents simple implementation of minesweeper game.

Definition at line 11 of file minezj.java.

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Member Function Documentation

void minezj.do_draw (  Graphics  g  )  [private]

Repaint whole scene. Parameters: g  Graphics object to paint to. Definition at line 296 of file minezj.java. References B_MARKED, B_UNCOVERED, bgcolor, C_SIZE, COUNT_MASK, F_MINE, fl_done, img, nr_mines, nr_uncovered, pground, screen_x, screen_y, size_x, and size_y. Referenced by update().

void minezj.init (   )

Applet initialization routine. Acquires basic information and loads graphics from disk. Definition at line 40 of file minezj.java. References bgcolor, buffer, img, pground, screen, screen_x, screen_y, size_x, and size_y.

boolean minezj.is_empty (  int  x, int  y )  [private]

Queries is empty and there are no mine fields surrounding it. Parameters: x  Field x-coordinate. y  Field y-coordinate. Returns: boolean True if the field specified by [x,y] is empty and there's no mine field in it's neighbourhood. Definition at line 149 of file minezj.java. References pground, and size_x. Referenced by zeroafter909().

boolean minezj.mouseDown (  Event  e, int  x, int  y )

Evaluate mouse button press event and perform action according to current state of the game. In case that game is not running new one is started. In case that game runs left click reveals a field and right click toggles mine suspection flag. Parameters: e  Event description object. x  Mouse x-coordinate. y  Mouse y-coordinate. Definition at line 221 of file minezj.java. References B_MARKED, B_UNCOVERED, C_SIZE, COUNT_MASK, F_MINE, fl_done, nr_mines, nr_uncovered, pground, reset_game(), size_x, size_y, and zeroafter909().

void minezj.paint (  Graphics  g  )

Paint applet's window. Parameters: g  Graphics object to paint to. Definition at line 275 of file minezj.java. References update().

void minezj.reset_game (   )

Prepares all stuff for new game. Initializes needed variables, and generates new playground. Definition at line 67 of file minezj.java. References F_MINE, fl_done, nr_mines, nr_uncovered, pground, size_x, and size_y. Referenced by mouseDown(), and start().

void minezj.revealcount (  int  x, int  y )  [private]

Uncovers a field specified by position. Parameters: x  Field x-coordinate. y  Field y-coordinate. Definition at line 158 of file minezj.java. References B_UNCOVERED, COUNT_MASK, nr_uncovered, pground, and size_x. Referenced by zeroafter909().

synchronized void minezj.update (  Graphics  g  )

update applet's window. Parameters: g  Graphics object to paint to. Definition at line 283 of file minezj.java. References buffer, do_draw(), and screen. Referenced by paint().

void minezj.zeroafter909 (  int  x, int  y )  [private]

Recursively uncover all adjoining empty fields starting at specified position. This method may be called recursively. Parameters: x  Starting field x-coordinate. y  Starting field y-coordinate. Definition at line 170 of file minezj.java. References B_UNCOVERED, is_empty(), nr_uncovered, pground, revealcount(), size_x, and size_y. Referenced by mouseDown().

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The documentation for this class was generated from the following file:

• minezj.java

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