com.threerings.miso.client

Class DirtyItemList

java.lang.Object

com.threerings.miso.client.DirtyItemList

public class DirtyItemList
extends Object

The dirty item list keeps track of dirty sprites and object tiles in a scene.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	DirtyItemList.DirtyItem A class to hold the items inserted in the dirty list along with all of the information necessary to render their dirty regions to the target graphics context when the time comes to do so.

Constructor Summary

Constructors

Constructor and Description
DirtyItemList() Creates a dirt item list that will handle dirty items for the specified view.

Method Summary

Modifier and Type	Method and Description
void	appendDirtyObject(SceneObject scobj) Appends the dirty object tile at the given coordinates to the dirty item list.
void	appendDirtySprite(Sprite sprite, int tx, int ty) Appends the dirty sprite at the given coordinates to the dirty item list.
void	clear() Clears out any items that were in this list.
DirtyItemList.DirtyItem	get(int idx) Returns the dirty item at the given index in the list.
void	paintAndClear(Graphics2D gfx) Paints all the dirty items in this list using the supplied graphics context.
int	size() Returns the number of items in the dirty item list.
void	sort() Returns an array of the DirtyItemList.DirtyItem objects in the list sorted in proper rendering order.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DirtyItemList

public DirtyItemList()

Creates a dirt item list that will handle dirty items for the specified view.

Method Detail

appendDirtySprite

public void appendDirtySprite(Sprite sprite,
                              int tx,
                              int ty)

Appends the dirty sprite at the given coordinates to the dirty item list.

Parameters:

sprite - the dirty sprite itself.

tx - the sprite's x tile position.

ty - the sprite's y tile position.

appendDirtyObject

public void appendDirtyObject(SceneObject scobj)

Appends the dirty object tile at the given coordinates to the dirty item list.

Parameters:

scobj - the scene object that is dirty.

get

public DirtyItemList.DirtyItem get(int idx)

Returns the dirty item at the given index in the list.

sort

public void sort()

Returns an array of the DirtyItemList.DirtyItem objects in the list sorted in proper rendering order.

paintAndClear

public void paintAndClear(Graphics2D gfx)

Paints all the dirty items in this list using the supplied graphics context. The items are removed from the dirty list after being painted and the dirty list ends up empty.

clear

public void clear()

Clears out any items that were in this list.

size

public int size()

Returns the number of items in the dirty item list.