de.mud.bsx
Class BSXScene

java.lang.Object
  |
  +--de.mud.bsx.BSXObject
        |
        +--de.mud.bsx.BSXScene

public class BSXScene

extends BSXObject

Scene object for BSX Scenes.

• keeps track on objects with their positions
• renders its data on a given Graphics object

Version:

1.1

Author:

Thomas Kriegelstein (tk4@rb.mud.de)

Field Summary

protected java.util.Vector[]	layers the eight BSX depth layers
protected java.util.Vector[]	positions positions of the contained objects

Fields inherited from class de.mud.bsx.BSXObject

bsxColors, data, poly

Constructor Summary

BSXScene(java.lang.String id, int[][] data)
Constructor for BSXScene

Method Summary

void	addObject(java.lang.String id, int x, int y) adds an object to this scene
void	clean() removes all objects from all layers
boolean	containsObject(java.lang.String id) checks if specified object is within this scene
void	fill(java.awt.Graphics g) draws the scene on a graphics object
int	layerOfObject(java.lang.String id) query the layer of the specified object
java.awt.Point	locateObject(java.lang.String id) querys the location of an object
java.util.Enumeration	objects(int layer) querys objects on a specific layer in this scene
void	removeObject(java.lang.String id) removes the specified object from the scene
void	removeObject(java.lang.String id, int layer) removes the specified object from the scene

Methods inherited from class de.mud.bsx.BSXObject

draw, equals, flush, hashCode, setData

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Field Detail

layers

protected final java.util.Vector[] layers

the eight BSX depth layers

positions

protected final java.util.Vector[] positions

positions of the contained objects

Constructor Detail

BSXScene

public BSXScene(java.lang.String id,
                int[][] data)

Constructor for BSXScene

Parameters:

id - Identifier of this scene

img - offscreenimage to render the data on

data - description of this scene

Method Detail

containsObject

public boolean containsObject(java.lang.String id)

checks if specified object is within this scene

Parameters:

id - object to be checked

Returns:

true if object is here, otherwise false

addObject

public void addObject(java.lang.String id,
                      int x,
                      int y)

adds an object to this scene

Parameters:

id - object to be added

x - x-position of object in scene

y - y-position of object in scene

layerOfObject

public int layerOfObject(java.lang.String id)

query the layer of the specified object

Parameters:

id - object in this scene

Returns:

-1 object not in this scene, 0..7 layer of the object

removeObject

public void removeObject(java.lang.String id,
                         int layer)

removes the specified object from the scene

Parameters:

id - object to be removed

layer - number of the layer the object is supposed to be

removeObject

public void removeObject(java.lang.String id)

removes the specified object from the scene

Parameters:

id - object to be removed

locateObject

public java.awt.Point locateObject(java.lang.String id)

querys the location of an object

Parameters:

id - object to be found

Returns:

null object is not in this scene, location otherwise

clean

public void clean()

removes all objects from all layers

objects

public java.util.Enumeration objects(int layer)

querys objects on a specific layer in this scene

Parameters:

layer - layer to look on

Returns:

Enumeration with objects on that layer

fill

public void fill(java.awt.Graphics g)

draws the scene on a graphics object

Parameters:

g - graphics object to draw on

io - ImageObserver to be notified