Add the ability to set the default injection hook method.

This is useful for debugging.

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

@@ -23,6 +23,8 @@ import org.bukkit.configuration.Configuration;
 import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.plugin.Plugin;
 
+import com.comphenix.protocol.injector.PacketFilterManager.PlayerInjectHooks;
+
 /**
  * Represents the configuration of ProtocolLib.
  * 
@@ -36,9 +38,10 @@ class ProtocolConfig {
 	private static final String METRICS_ENABLED = "metrics";
 	
 	private static final String IGNORE_VERSION_CHECK = "ignore version check";	
-	
 	private static final String BACKGROUND_COMPILER_ENABLED = "background compiler";
 
+	private static final String INJECTION_METHOD = "injection method";
+	
 	private static final String UPDATER_NOTIFY = "notify";
 	private static final String UPDATER_DOWNLAD = "download";
 	private static final String UPDATER_DELAY = "delay";
@@ -234,6 +237,38 @@ class ProtocolConfig {
 		updater.set(UPDATER_LAST_TIME, lastTimeSeconds);
 	}
 	
+	/**
+	 * Retrieve the default injection method.
+	 * @return Default method.
+	 */
+	public PlayerInjectHooks getDefaultMethod() {
+		return PlayerInjectHooks.NETWORK_SERVER_OBJECT;
+	}
+	
+	/**
+	 * Retrieve the injection method that has been set in the configuration, or use a default value.
+	 * @return Injection method to use.
+	 * @throws IllegalArgumentException If the configuration option is malformed.
+	 */
+	public PlayerInjectHooks getInjectionMethod() throws IllegalArgumentException {
+		String text = global.getString(INJECTION_METHOD);
+		
+		// Default hook if nothing has been set
+		PlayerInjectHooks hook = getDefaultMethod();
+		
+		if (text != null) 
+			hook = PlayerInjectHooks.valueOf(text.toUpperCase().replace(" ", "_"));
+		return hook;
+	}
+	
+	/**
+	 * Set the starting injection method to use.
+	 * @return Injection method.
+	 */
+	public void setInjectionMethod(PlayerInjectHooks hook) {
+		global.set(INJECTION_METHOD, hook.name());
+	}
+	
 	/**
 	 * Save the current configuration file.
 	 */

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

@@ -136,6 +136,13 @@ public class ProtocolLibrary extends JavaPlugin {
 			protocolManager = new PacketFilterManager(getClassLoader(), getServer(), unhookTask, detailedReporter);
 			detailedReporter.addGlobalParameter("manager", protocolManager);
 			
+			// Update injection hook
+			try {
+				protocolManager.setPlayerHook(config.getInjectionMethod());
+			} catch (IllegalArgumentException e) {
+				detailedReporter.reportWarning(config, "Cannot parse injection method. Using default.", e);
+			}
+			
 			// Initialize command handlers
 			commandProtocol = new CommandProtocol(detailedReporter, this, updater, config);
 			commandPacket = new CommandPacket(detailedReporter, this, logger, protocolManager);

ProtocolLib/src/main/resources/config.yml

@@ -16,3 +16,7 @@ global:
   
   # Disable version checking for the given Minecraft version. Backup your world first!
   ignore version check: 
+  
+  # Override the starting injecting method
+  injection method: 
+