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353
java/src/game/entity/DataWatcher.java
Executable file
353
java/src/game/entity/DataWatcher.java
Executable file
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package game.entity;
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import java.io.IOException;
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import java.util.List;
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import java.util.Map;
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import java.util.concurrent.locks.ReadWriteLock;
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import java.util.concurrent.locks.ReentrantReadWriteLock;
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import game.collect.Lists;
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import game.collect.Maps;
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import game.item.ItemStack;
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import game.network.PacketBuffer;
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import game.world.BlockPos;
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public class DataWatcher {
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private static final Map<Class<?>, Integer> dataTypes = Maps.<Class<?>, Integer>newHashMap();
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private final Entity owner;
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private final Map<Integer, DataWatcher.WatchableObject> objects = Maps.<Integer, DataWatcher.WatchableObject>newHashMap();
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private final ReadWriteLock lock = new ReentrantReadWriteLock();
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private boolean blank = true;
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private boolean changed;
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public DataWatcher(Entity owner) {
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this.owner = owner;
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}
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public <T> void addObject(int id, T object) {
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Integer integer = (Integer)dataTypes.get(object.getClass());
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if(integer == null) {
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throw new IllegalArgumentException("Unknown data type: " + object.getClass());
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}
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else if(id > 31) {
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throw new IllegalArgumentException("Data value id is too big with " + id + "! (Max is " + 31 + ")");
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}
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else if(this.objects.containsKey(Integer.valueOf(id))) {
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throw new IllegalArgumentException("Duplicate id value for " + id + "!");
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}
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else {
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DataWatcher.WatchableObject datawatcher$watchableobject = new DataWatcher.WatchableObject(integer.intValue(), id, object);
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this.lock.writeLock().lock();
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this.objects.put(Integer.valueOf(id), datawatcher$watchableobject);
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this.lock.writeLock().unlock();
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this.blank = false;
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}
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}
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public void addObjectByDataType(int id, int type) {
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DataWatcher.WatchableObject datawatcher$watchableobject = new DataWatcher.WatchableObject(type, id, (Object)null);
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this.lock.writeLock().lock();
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this.objects.put(Integer.valueOf(id), datawatcher$watchableobject);
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this.lock.writeLock().unlock();
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this.blank = false;
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}
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public byte getWatchableObjectByte(int id) {
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return ((Byte)this.getWatchedObject(id).getObject()).byteValue();
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}
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public short getWatchableObjectShort(int id) {
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return ((Short)this.getWatchedObject(id).getObject()).shortValue();
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}
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public int getWatchableObjectInt(int id) {
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return ((Integer)this.getWatchedObject(id).getObject()).intValue();
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}
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public float getWatchableObjectFloat(int id) {
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return ((Float)this.getWatchedObject(id).getObject()).floatValue();
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}
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public String getWatchableObjectString(int id) {
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return (String)this.getWatchedObject(id).getObject();
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}
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public ItemStack getWatchableObjectItemStack(int id) {
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return (ItemStack)this.getWatchedObject(id).getObject();
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}
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private DataWatcher.WatchableObject getWatchedObject(int id) {
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this.lock.readLock().lock();
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DataWatcher.WatchableObject datawatcher$watchableobject = (DataWatcher.WatchableObject)this.objects.get(Integer.valueOf(id));
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this.lock.readLock().unlock();
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return datawatcher$watchableobject;
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}
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// public Rotations getWatchableObjectRotations(int id) {
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// return (Rotations)this.getWatchedObject(id).getObject();
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// }
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public <T> void updateObject(int id, T newData) {
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DataWatcher.WatchableObject datawatcher$watchableobject = this.getWatchedObject(id);
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if(!(newData == datawatcher$watchableobject.getObject()
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|| (newData != null && datawatcher$watchableobject.getObject() != null ? newData.equals(datawatcher$watchableobject.getObject())
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: false))) {
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datawatcher$watchableobject.setObject(newData);
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this.owner.onDataWatcherUpdate(id);
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datawatcher$watchableobject.setWatched(true);
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this.changed = true;
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}
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}
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public void setObjectWatched(int id) {
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this.getWatchedObject(id).watched = true;
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this.changed = true;
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}
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public boolean hasObjectChanged() {
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return this.changed;
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}
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public static void writeWatchedListToPacketBuffer(List<DataWatcher.WatchableObject> objectsList, PacketBuffer buffer) throws IOException {
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if(objectsList != null) {
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for(DataWatcher.WatchableObject datawatcher$watchableobject : objectsList) {
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writeWatchableObjectToPacketBuffer(buffer, datawatcher$watchableobject);
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}
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}
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buffer.writeByte(127);
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}
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public List<DataWatcher.WatchableObject> getChanged() {
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List<DataWatcher.WatchableObject> list = null;
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if(this.changed) {
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this.lock.readLock().lock();
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for(DataWatcher.WatchableObject datawatcher$watchableobject : this.objects.values()) {
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if(datawatcher$watchableobject.isWatched()) {
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datawatcher$watchableobject.setWatched(false);
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if(list == null) {
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list = Lists.<DataWatcher.WatchableObject>newArrayList();
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}
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list.add(datawatcher$watchableobject);
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}
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}
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this.lock.readLock().unlock();
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}
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this.changed = false;
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return list;
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}
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public void writeTo(PacketBuffer buffer) throws IOException {
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this.lock.readLock().lock();
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for(DataWatcher.WatchableObject datawatcher$watchableobject : this.objects.values()) {
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writeWatchableObjectToPacketBuffer(buffer, datawatcher$watchableobject);
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}
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this.lock.readLock().unlock();
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buffer.writeByte(127);
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}
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public List<DataWatcher.WatchableObject> getAllWatched() {
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List<DataWatcher.WatchableObject> list = null;
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this.lock.readLock().lock();
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for(DataWatcher.WatchableObject datawatcher$watchableobject : this.objects.values()) {
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if(list == null) {
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list = Lists.<DataWatcher.WatchableObject>newArrayList();
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}
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list.add(datawatcher$watchableobject);
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}
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this.lock.readLock().unlock();
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return list;
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}
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private static void writeWatchableObjectToPacketBuffer(PacketBuffer buffer, DataWatcher.WatchableObject object) throws IOException {
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int i = (object.getObjectType() << 5 | object.getDataValueId() & 31) & 255;
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buffer.writeByte(i);
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switch(object.getObjectType()) {
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case 0:
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buffer.writeByte(((Byte)object.getObject()).byteValue());
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break;
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case 1:
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buffer.writeShort(((Short)object.getObject()).shortValue());
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break;
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case 2:
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buffer.writeInt(((Integer)object.getObject()).intValue());
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break;
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case 3:
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buffer.writeFloat(((Float)object.getObject()).floatValue());
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break;
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case 4:
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buffer.writeString((String)object.getObject());
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break;
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case 5:
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ItemStack itemstack = (ItemStack)object.getObject();
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buffer.writeItemStackToBuffer(itemstack);
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break;
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case 6:
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BlockPos blockpos = (BlockPos)object.getObject();
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buffer.writeInt(blockpos.getX());
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buffer.writeInt(blockpos.getY());
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buffer.writeInt(blockpos.getZ());
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// break;
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//
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// case 7:
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// Rotations rotations = (Rotations)object.getObject();
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// buffer.writeFloat(rotations.getX());
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// buffer.writeFloat(rotations.getY());
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// buffer.writeFloat(rotations.getZ());
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}
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}
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public static List<DataWatcher.WatchableObject> readWatchedListFromPacketBuffer(PacketBuffer buffer) throws IOException {
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List<DataWatcher.WatchableObject> list = null;
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for(int i = buffer.readByte(); i != 127; i = buffer.readByte()) {
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if(list == null) {
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list = Lists.<DataWatcher.WatchableObject>newArrayList();
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}
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int j = (i & 224) >> 5;
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int k = i & 31;
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DataWatcher.WatchableObject datawatcher$watchableobject = null;
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switch(j) {
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case 0:
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datawatcher$watchableobject = new DataWatcher.WatchableObject(j, k, Byte.valueOf(buffer.readByte()));
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break;
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case 1:
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datawatcher$watchableobject = new DataWatcher.WatchableObject(j, k, Short.valueOf(buffer.readShort()));
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break;
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case 2:
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datawatcher$watchableobject = new DataWatcher.WatchableObject(j, k, Integer.valueOf(buffer.readInt()));
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break;
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case 3:
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datawatcher$watchableobject = new DataWatcher.WatchableObject(j, k, Float.valueOf(buffer.readFloat()));
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break;
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case 4:
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datawatcher$watchableobject = new DataWatcher.WatchableObject(j, k, buffer.readStringFromBuffer(32767));
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break;
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case 5:
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datawatcher$watchableobject = new DataWatcher.WatchableObject(j, k, buffer.readItemStackFromBuffer());
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break;
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case 6:
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int l = buffer.readInt();
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int i1 = buffer.readInt();
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int j1 = buffer.readInt();
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datawatcher$watchableobject = new DataWatcher.WatchableObject(j, k, new BlockPos(l, i1, j1));
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// break;
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//
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// case 7:
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// float f = buffer.readFloat();
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// float f1 = buffer.readFloat();
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// float f2 = buffer.readFloat();
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// datawatcher$watchableobject = new DataWatcher.WatchableObject(j, k, new Rotations(f, f1, f2));
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}
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list.add(datawatcher$watchableobject);
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}
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return list;
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}
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public void updateWatchedObjectsFromList(List<DataWatcher.WatchableObject> p_75687_1_) {
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this.lock.writeLock().lock();
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for(DataWatcher.WatchableObject datawatcher$watchableobject : p_75687_1_) {
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DataWatcher.WatchableObject datawatcher$watchableobject1 = (DataWatcher.WatchableObject)this.objects
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.get(Integer.valueOf(datawatcher$watchableobject.getDataValueId()));
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if(datawatcher$watchableobject1 != null) {
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datawatcher$watchableobject1.setObject(datawatcher$watchableobject.getObject());
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this.owner.onDataWatcherUpdate(datawatcher$watchableobject.getDataValueId());
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}
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}
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this.lock.writeLock().unlock();
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this.changed = true;
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}
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public boolean isBlank() {
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return this.blank;
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}
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public void markUnchanged() {
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this.changed = false;
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}
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static {
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dataTypes.put(Byte.class, Integer.valueOf(0));
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dataTypes.put(Short.class, Integer.valueOf(1));
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dataTypes.put(Integer.class, Integer.valueOf(2));
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dataTypes.put(Float.class, Integer.valueOf(3));
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dataTypes.put(String.class, Integer.valueOf(4));
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dataTypes.put(ItemStack.class, Integer.valueOf(5));
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dataTypes.put(BlockPos.class, Integer.valueOf(6));
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// dataTypes.put(Rotations.class, Integer.valueOf(7));
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}
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public static class WatchableObject {
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private final int objectType;
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private final int dataValueId;
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private Object watchedObject;
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private boolean watched;
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public WatchableObject(int type, int id, Object object) {
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this.dataValueId = id;
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this.watchedObject = object;
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this.objectType = type;
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this.watched = true;
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}
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public int getDataValueId() {
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return this.dataValueId;
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}
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public void setObject(Object object) {
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this.watchedObject = object;
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}
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public Object getObject() {
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return this.watchedObject;
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}
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public int getObjectType() {
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return this.objectType;
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}
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public boolean isWatched() {
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return this.watched;
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}
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public void setWatched(boolean watched) {
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this.watched = watched;
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}
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}
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}
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