Fix getProtocolVersion()

Fixes #74

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

@@ -74,13 +74,13 @@ class CommandProtocol extends CommandBase {
 
 		sender.sendMessage(ChatColor.GOLD + "Packet listeners:");
 		for (PacketListener listener : manager.getPacketListeners()) {
-			sender.sendMessage(ChatColor.GOLD + " " + listener);
+			sender.sendMessage(ChatColor.GOLD + " - " + listener);
 		}
 
 		// Along with every asynchronous listener
 		sender.sendMessage(ChatColor.GOLD + "Asynchronous listeners:");
 		for (PacketListener listener : manager.getAsynchronousManager().getAsyncHandlers()) {
-			sender.sendMessage(ChatColor.GOLD + " " + listener);
+			sender.sendMessage(ChatColor.GOLD + " - " + listener);
 		}
 	}
 
@@ -136,8 +136,8 @@ class CommandProtocol extends CommandBase {
 		PluginDescriptionFile desc = plugin.getDescription();
 
 		sender.sendMessage(ChatColor.GREEN + desc.getName() + ChatColor.WHITE + " v" + ChatColor.GREEN + desc.getVersion());
-		sender.sendMessage("Authors: " + ChatColor.GREEN + "dmulloy2 " + ChatColor.WHITE + " and " + ChatColor.GREEN + "Comphenix");
-		sender.sendMessage("Issues: " + ChatColor.GREEN + "https://github.com/dmulloy2/ProtocolLib/issues");
+		sender.sendMessage(ChatColor.WHITE + "Authors: " + ChatColor.GREEN + "dmulloy2" + ChatColor.WHITE + " and " + ChatColor.GREEN + "Comphenix");
+		sender.sendMessage(ChatColor.WHITE + "Issues: " + ChatColor.GREEN + "https://github.com/dmulloy2/ProtocolLib/issues");
 	}
 
 	/**

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

@@ -82,6 +82,9 @@ class ChannelInjector extends ByteToMessageDecoder implements Injector {
 	// For retrieving the protocol
 	private static FieldAccessor PROTOCOL_ACCESSOR;
 
+	// For retrieving the protocol version
+	private static MethodAccessor PROTOCOL_VERSION;
+
 	// The factory that created this injector
 	private InjectionFactory factory;
 
@@ -156,10 +159,8 @@ class ChannelInjector extends ByteToMessageDecoder implements Injector {
 		this.processor = new NetworkProcessor(ProtocolLibrary.getErrorReporter());
 
 		// Get the channel field
-		this.channelField = new VolatileField(
-			FuzzyReflection.fromObject(networkManager, true).
-				getFieldByType("channel", Channel.class),
-			networkManager, true);
+		this.channelField = new VolatileField(FuzzyReflection.fromObject(networkManager, true).getFieldByType("channel", Channel.class),
+				networkManager, true);
 	}
 
 	/**
@@ -168,7 +169,19 @@ class ChannelInjector extends ByteToMessageDecoder implements Injector {
 	 */
 	@Override
 	public int getProtocolVersion() {
-		return MinecraftProtocolVersion.getCurrentVersion();
+		MethodAccessor accessor = PROTOCOL_VERSION;
+		if (accessor == null) {
+			try {
+				accessor = Accessors.getMethodAccessor(networkManager.getClass(), "getVersion");
+			} catch (Throwable ex) {
+			}
+		}
+
+		if (accessor != null) {
+			return (Integer) accessor.invoke(networkManager);
+		} else {
+			return MinecraftProtocolVersion.getCurrentVersion();
+		}
 	}
 
 	@Override

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

@@ -39,9 +39,6 @@ public class MinecraftProtocolVersion {
 		map.put(new MinecraftVersion(1, 7, 1), 4);
 		map.put(new MinecraftVersion(1, 7, 6), 5);
 		map.put(new MinecraftVersion(1, 8, 0), 47);
-		
-		// Unknown number
-		map.put(new MinecraftVersion(1, 8, 1), Integer.MIN_VALUE);
 		return map;
 	}