core

Class SpriteGroup

java.lang.Object

core.SpriteGroup

public class SpriteGroup
extends java.lang.Object

Created by Diego on 18/03/14. This class encapsulates a SpriteGroup: a collection of VGDLSprite objects identified with an unique id. All sprites in the SpriteGroup are of the same type.

Constructor Summary

Constructors

Constructor and Description
SpriteGroup(int itype) Creates a new SpriteGroup, specifying the type of sprites this will hold.

Method Summary

Methods

Modifier and Type	Method and Description
void	addAllSprites(java.util.Collection<VGDLSprite> spritesToAdd) Adds a collection of sprites to this collection.
void	addSprite(int spriteId, VGDLSprite sprite) Adds an sprite to the collection.
void	clear() Clears the collection of sprites.
VGDLSprite	getFirstSprite() Gets the first sprite of this collection, or null if it is empty
int	getItype() Gets the type of this SpriteGroup.
java.lang.Integer[]	getKeys() Gets the set of KEYs in an array.
VGDLSprite	getSprite(int spriteId) Retrieves a sprite given its unique ID.
java.util.Iterator<VGDLSprite>	getSpriteIterator() Gets an ordered iterator through all sprites.
java.util.TreeMap<java.lang.Integer,VGDLSprite>	getSprites() Gets the collection of sprites, as a TreeMap [KEY => VALUE].
int	numSprites() Gets the number of sprites in the collection.
void	removeSprite(int spriteId) Removes an sprite indicated with its ID.

Methods inherited from class java.lang.Object

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

Constructor Detail

SpriteGroup

public SpriteGroup(int itype)

Creates a new SpriteGroup, specifying the type of sprites this will hold.

Parameters:

itype - type of sprite for the SpriteGroup.

Method Detail

addSprite

public void addSprite(int spriteId,
             VGDLSprite sprite)

Adds an sprite to the collection.

Parameters:

spriteId - Unique ID of the sprite to add

sprite - Sprite to add.

addAllSprites

public void addAllSprites(java.util.Collection<VGDLSprite> spritesToAdd)

Adds a collection of sprites to this collection.

Parameters:

spritesToAdd - Sprites to add.

getSprites

public java.util.TreeMap<java.lang.Integer,VGDLSprite> getSprites()

Gets the collection of sprites, as a TreeMap [KEY => VALUE].

Returns:

the TreeMap with the Sprites.

getKeys

public java.lang.Integer[] getKeys()

Gets the set of KEYs in an array. It will return null if the collection of sprites is empty.

Returns:

the list of the sprite keys in this collection in an array.

getSpriteIterator

public java.util.Iterator<VGDLSprite> getSpriteIterator()

Gets an ordered iterator through all sprites. It will return null if the collection of sprites is empty.

Returns:

the list of the sprites in this collection in an iterator.

removeSprite

public void removeSprite(int spriteId)

Removes an sprite indicated with its ID.

Parameters:

spriteId - the id of the sprite to remove.

getItype

public int getItype()

Gets the type of this SpriteGroup.

Returns:

the type of this sprite group

getSprite

public VGDLSprite getSprite(int spriteId)

Retrieves a sprite given its unique ID. It'll return null if the sprite is not in the collection.

Parameters:

spriteId - ID of the sprite to retrieve.

Returns:

the desired sprite.

clear

public void clear()

Clears the collection of sprites.

numSprites

public int numSprites()

Gets the number of sprites in the collection.

Returns:

number of sprites in this collection.

getFirstSprite

public VGDLSprite getFirstSprite()

Gets the first sprite of this collection, or null if it is empty

Returns:

the first sprite in this collection.