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SpritePool.java
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SpritePool.java
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package ru.nsu.ccfit.zuev.osu.game;
import android.graphics.PointF;
import org.anddev.andengine.entity.sprite.Sprite;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.Map;
import ru.nsu.ccfit.zuev.osu.ResourceManager;
import ru.nsu.ccfit.zuev.osu.helper.AnimSprite;
import ru.nsu.ccfit.zuev.osu.helper.CentredSprite;
public class SpritePool {
private static SpritePool instance = new SpritePool();
private static int CAPACITY = 250;
private final Map<String, LinkedList<Sprite>> sprites = new HashMap<>();
private final Map<String, LinkedList<AnimSprite>> animsprites = new HashMap<>();
int count = 0;
private int spritesCreated = 0;
private SpritePool() {
}
public static SpritePool getInstance() {
return instance;
}
public int getSpritesCreated() {
return spritesCreated;
}
synchronized public void putSprite(final String name, final Sprite sprite) {
if (count > CAPACITY) {
return;
}
if (sprite.hasParent()) {
return;
}
sprite.setAlpha(1);
sprite.setColor(1, 1, 1);
sprite.setScale(1);
sprite.clearEntityModifiers();
sprite.clearUpdateHandlers();
count++;
if (sprites.containsKey(name)) {
sprites.get(name).add(sprite);
} else {
final LinkedList<Sprite> list = new LinkedList<>();
list.add(sprite);
sprites.put(name, list);
}
}
synchronized public Sprite getSprite(final String name) {
if (sprites.containsKey(name)) {
final LinkedList<Sprite> list = sprites.get(name);
while (list.isEmpty() == false && list.peek().hasParent() == true) {
list.poll();
}
if (list.isEmpty() == false) {
count--;
return list.poll();
}
}
spritesCreated++;
return new Sprite(0, 0, ResourceManager.getInstance().getTexture(name));
}
synchronized public Sprite getCenteredSprite(final String name,
final PointF pos) {
if (sprites.containsKey(name)) {
final LinkedList<Sprite> list = sprites.get(name);
while (list.isEmpty() == false && list.peek().hasParent() == true) {
list.poll();
}
if (list.isEmpty() == false) {
count--;
final Sprite sp = list.poll();
sp.setPosition(pos.x - sp.getWidth() / 2,
pos.y - sp.getHeight() / 2);
return sp;
}
}
spritesCreated++;
return new CentredSprite(pos.x, pos.y, ResourceManager.getInstance()
.getTexture(name));
}
synchronized public AnimSprite getAnimSprite(final String name, int count) {
if (animsprites.containsKey(name)) {
final LinkedList<AnimSprite> list = animsprites.get(name);
while (list.isEmpty() == false && list.peek().hasParent() == true) {
list.poll();
}
if (list.isEmpty() == false) {
count--;
return list.poll();
}
}
spritesCreated++;
return new AnimSprite(0, 0, name, count, count);
}
synchronized public void putAnimSprite(final String name,
final AnimSprite sprite) {
if (count > CAPACITY) {
return;
}
if (sprite.hasParent()) {
return;
}
sprite.setAlpha(1);
sprite.setColor(1, 1, 1);
sprite.setScale(1);
sprite.clearEntityModifiers();
sprite.clearUpdateHandlers();
count++;
if (animsprites.containsKey(name)) {
animsprites.get(name).add(sprite);
} else {
final LinkedList<AnimSprite> list = new LinkedList<>();
list.add(sprite);
animsprites.put(name, list);
}
}
public void purge() {
count = 0;
spritesCreated = 0;
sprites.clear();
animsprites.clear();
}
}