erland.game.tetris
Class BlockContainerData

java.lang.Object
  erland.game.tetris.BlockContainerData

All Implemented Interfaces:

BlockMatrix

class BlockContainerData

extends java.lang.Object

implements BlockMatrix

Class that keeps track of the color and state on all squares in a game area

Field Summary

protected java.awt.Color[][]	colorMatrix Matrix that keeps track of the colour of all squares
protected boolean[][]	matrix Matrix that keeps track of the state of all squares

Constructor Summary

(package private)

BlockContainerData(int sizeX, int sizeY) Create a new instance

Method Summary

void	clear() Reset the states on all squares
void	clearRow(int y) Reset the states on all squares in a row
void	fromString(java.lang.String data)
java.awt.Color	getColor(int x, int y) Get the color of a specific square
int	getHeight() Get the number of vertical squares in the container
int	getWidth() Get the number of horisontal squares in the container
boolean	isUsed(int x, int y) Checks if a specific square is active or not
void	setUnused(int x, int y) Change the state to not active for a specific square
void	setUsed(int x, int y, java.awt.Color c) Change the state to active for a specific square
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

matrix

protected boolean[][] matrix

Matrix that keeps track of the state of all squares

colorMatrix

protected java.awt.Color[][] colorMatrix

Matrix that keeps track of the colour of all squares

Constructor Detail

BlockContainerData

BlockContainerData(int sizeX,
                   int sizeY)

Create a new instance

Parameters:

sizeX - Number of horizontal squares

sizeY - Number of vertical squares

Method Detail

clear

public void clear()

Reset the states on all squares

clearRow

public void clearRow(int y)

Reset the states on all squares in a row

Parameters:

y - Vertical row that should be cleared, 0 is the top row

getColor

public java.awt.Color getColor(int x,
                               int y)

Description copied from interface: BlockMatrix

Get the color of a specific square

Specified by:

getColor in interface BlockMatrix

Parameters:

x - The x position of the square

y - The y position of the square

Returns:

The color of the square, Color.black if it is outside the container

getWidth

public int getWidth()

Description copied from interface: BlockMatrix

Get the number of horisontal squares in the container

Specified by:

getWidth in interface BlockMatrix

Returns:

Number of horisontal squares

getHeight

public int getHeight()

Description copied from interface: BlockMatrix

Get the number of vertical squares in the container

Specified by:

getHeight in interface BlockMatrix

Returns:

Number of vertical squares

isUsed

public boolean isUsed(int x,
                      int y)

Description copied from interface: BlockMatrix

Checks if a specific square is active or not

Specified by:

isUsed in interface BlockMatrix

Parameters:

x - The x position of the square

y - The y position of the square

Returns:

true/false (active/not active)

setUsed

public void setUsed(int x,
                    int y,
                    java.awt.Color c)

Description copied from interface: BlockMatrix

Change the state to active for a specific square

Specified by:

setUsed in interface BlockMatrix

Parameters:

x - The x position of the square

y - The y position of the square

c - The colour of the square

setUnused

public void setUnused(int x,
                      int y)

Description copied from interface: BlockMatrix

Change the state to not active for a specific square

Specified by:

setUnused in interface BlockMatrix

Parameters:

x - The x position of the square

y - The y position of the square

fromString

public void fromString(java.lang.String data)

toString

public java.lang.String toString()