Partial fix for async packets

ProtocolLib/src/main/java/com/comphenix/protocol/async/AsyncMarker.java

@@ -26,12 +26,14 @@ import java.util.List;
 import java.util.concurrent.atomic.AtomicInteger;
 
 import com.comphenix.protocol.PacketStream;
+import com.comphenix.protocol.PacketType;
 import com.comphenix.protocol.events.NetworkMarker;
 import com.comphenix.protocol.events.PacketEvent;
 import com.comphenix.protocol.injector.PrioritizedListener;
 import com.comphenix.protocol.reflect.FieldAccessException;
 import com.comphenix.protocol.reflect.FuzzyReflection;
 import com.comphenix.protocol.utility.MinecraftReflection;
+import com.comphenix.protocol.utility.MinecraftVersion;
 import com.google.common.primitives.Longs;
 
 /**
@@ -415,6 +417,10 @@ public class AsyncMarker implements Serializable, Comparable<AsyncMarker> {
 				} else if (methods.size() == 1) {
 					// We're in 1.2.5
 					alwaysSync = true;
+				} else if (MinecraftVersion.getCurrentVersion().equals(MinecraftVersion.BOUNTIFUL_UPDATE)) {
+					// The centralized async marker was removed in 1.8
+					// The only packet I know for sure is async is incoming chat
+					return event.getPacketType() == PacketType.Play.Client.CHAT;
 				} else {
 					System.err.println("[ProtocolLib] Cannot determine asynchronous state of packets!");
 					alwaysSync = true;

ProtocolLib/src/main/java/com/comphenix/protocol/utility/MinecraftVersion.java

@@ -23,6 +23,7 @@ import java.util.Locale;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
+import org.bukkit.Bukkit;
 import org.bukkit.Server;
 
 import com.comphenix.protocol.ProtocolLibrary;
@@ -310,4 +311,14 @@ public class MinecraftVersion implements Comparable<MinecraftVersion>, Serializa
 	public static MinecraftVersion fromServerVersion(String serverVersion) {
 		return new MinecraftVersion(extractVersion(serverVersion));
 	}
+
+	private static MinecraftVersion currentVersion;
+
+	public static MinecraftVersion getCurrentVersion() {
+		if (currentVersion == null) {
+			currentVersion = new MinecraftVersion(Bukkit.getVersion());
+		}
+
+		return currentVersion;
+	}
 }