Properly cancel written packets.

ProtocolLib/src/main/java/com/comphenix/protocol/PacketType.java

@@ -9,6 +9,7 @@ import java.util.concurrent.Future;
 
 import org.bukkit.Bukkit;
 
+import com.comphenix.protocol.events.ConnectionSide;
 import com.comphenix.protocol.injector.packet.PacketRegistry;
 import com.comphenix.protocol.reflect.ObjectEnum;
 import com.comphenix.protocol.utility.MinecraftVersion;
@@ -376,7 +377,15 @@ public class PacketType implements Serializable {
 		/**
 		 * Indicate that packets of this type will be sent by the current server.
 		 */
-		SERVER
+		SERVER;
+		
+		/**
+		 * Retrieve the equivialent connection side.
+		 * @return The connection side.
+		 */
+		public ConnectionSide toSide() {
+			return this == CLIENT ? ConnectionSide.CLIENT_SIDE : ConnectionSide.SERVER_SIDE;
+		}
 	}
 	
 	// Lookup of packet types

ProtocolLib/src/main/java/com/comphenix/protocol/events/PacketAdapter.java

@@ -55,6 +55,26 @@ public abstract class PacketAdapter implements PacketListener {
 		);
 	}
 	
+	/**
+	 * Initialize a packet listener with the given parameters.
+	 * @param plugin - the plugin.
+	 * @param listenerPriority - the priority.
+	 * @param types - the packet types.
+	 */
+	public PacketAdapter(Plugin plugin, PacketType... types) {
+		this(plugin, ListenerPriority.NORMAL, types);
+	}
+	
+	/**
+	 * Initialize a packet listener with the given parameters.
+	 * @param plugin - the plugin.
+	 * @param listenerPriority - the priority.
+	 * @param types - the packet types.
+	 */
+	public PacketAdapter(Plugin plugin, ListenerPriority listenerPriority, PacketType... types) {
+		this(params(plugin, types).listenerPriority(listenerPriority));
+	}
+	
 	/**
 	 * Initialize a packet listener with default priority.
 	 * <p>
@@ -500,6 +520,12 @@ public abstract class PacketAdapter implements PacketListener {
 		 * @return This builder, for chaining.
 		 */
 		public AdapterParameteters types(@Nonnull PacketType... packets) {
+			// Set the connection side as well
+			if (connectionSide == null) {
+				for (PacketType type : packets) {
+					this.connectionSide = ConnectionSide.add(this.connectionSide, type.getSender().toSide());
+				}
+			}
 			this.packets = Preconditions.checkNotNull(packets, "packets cannot be NULL");
 			return this;
 		}

ProtocolLib/src/main/java/com/comphenix/protocol/injector/netty/ChannelProxy.java

@@ -45,14 +45,15 @@ abstract class ChannelProxy implements Channel {
 				(Class<? extends ChannelFuture>) ChannelProxy.class.getClassLoader().
 					loadClass("net.minecraft.util.io.netty.channel.SucceededChannelFuture");
 				
-				FUTURE_CONSTRUCTOR = succededFuture.getConstructor(Channel.class, EventExecutor.class);
+				FUTURE_CONSTRUCTOR = succededFuture.getDeclaredConstructor(Channel.class, EventExecutor.class);
+				FUTURE_CONSTRUCTOR.setAccessible(true);
 			}		
 			return FUTURE_CONSTRUCTOR.newInstance(this, null);
 			
 		} catch (ClassNotFoundException e) {
-			throw new RuntimeException("Cannot get succeeded future.");
+			throw new RuntimeException("Cannot get succeeded future.", e);
 		} catch (Exception e) {
-			throw new RuntimeException("Cannot construct completed future.");
+			throw new RuntimeException("Cannot construct completed future.", e);
 		}
 	}
 	

ProtocolLib/src/main/java/com/comphenix/protocol/injector/packet/PacketRegistry.java

@@ -298,7 +298,7 @@ public class PacketRegistry {
 	 * @return Set of packet types.
 	 */
 	public static Set<PacketType> toPacketTypes(Set<Integer> ids) { 
-		return toPacketTypes(ids);
+		return toPacketTypes(ids, null);
 	}
 	
 	/**