TitleUtil without NMS

And a TitleMixin

src/com/massivecraft/massivecore/MassiveCore.java

@@ -18,10 +18,10 @@ import com.massivecraft.massivecore.adapter.JsonElementAdapter;
 import com.massivecraft.massivecore.adapter.MassiveListAdapter;
 import com.massivecraft.massivecore.adapter.MassiveMapAdapter;
 import com.massivecraft.massivecore.adapter.MassiveSetAdapter;
+import com.massivecraft.massivecore.adapter.MassiveTreeMapAdapter;
 import com.massivecraft.massivecore.adapter.MassiveTreeSetAdapter;
 import com.massivecraft.massivecore.adapter.ModdedEnumTypeAdapter;
 import com.massivecraft.massivecore.adapter.PlayerInventoryAdapter;
-import com.massivecraft.massivecore.adapter.MassiveTreeMapAdapter;
 import com.massivecraft.massivecore.adapter.UUIDAdapter;
 import com.massivecraft.massivecore.cmd.massivecore.CmdMassiveCore;
 import com.massivecraft.massivecore.cmd.massivecore.CmdMassiveCoreBuffer;

src/com/massivecraft/massivecore/mixin/Mixin.java

@@ -56,6 +56,10 @@ public class Mixin
 	public static MessageMixin getMessageMixin() { return messageMixin; }
 	public static void setMessageMixin(MessageMixin val) { messageMixin = val; }
 	
+	private static TitleMixin titleMixin = TitleMixinDefault.get();
+	public static TitleMixin getTitleMixin() { return titleMixin; }
+	public static void setTitleMixin(TitleMixin val) { titleMixin = val; }
+	
 	private static KickMixin kickMixin = KickMixinDefault.get();
 	public static KickMixin getKickMixin() { return kickMixin; }
 	public static void setKickMixin(KickMixin val) { kickMixin = val; }
@@ -386,6 +390,28 @@ public class Mixin
 		return getMessageMixin().msgOne(senderObject, msgs);
 	}
 	
+	// -------------------------------------------- //
+	// STATIC EXPOSE: TITLE
+	// -------------------------------------------- //
+	
+	// Default
+	public static boolean sendTitleMessage(Object watcherObject, int fadeIn, int stay, int fadeOut, String mainTitle, String subTitle)
+	{
+		return getTitleMixin().sendTitleMessage(watcherObject, fadeIn, stay, fadeOut, mainTitle, subTitle);
+	}
+	
+	// Parsed
+	public static boolean sendTitleMsg(Object watcherObject, int fadeIn, int stay, int fadeOut, String mainTitle, String subTitle)
+	{
+		return getTitleMixin().sendTitleMsg(watcherObject, fadeIn, stay, fadeOut, mainTitle, subTitle);
+	}
+	
+	// Available
+	public static boolean isTitlesAvailable()
+	{
+		return getTitleMixin().isTitlesAvailable();
+	}
+	
 	// -------------------------------------------- //
 	// STATIC EXPOSE: KICK
 	// -------------------------------------------- //

src/com/massivecraft/massivecore/mixin/TitleMixin.java

@@ -0,0 +1,13 @@
+package com.massivecraft.massivecore.mixin;
+
+public interface TitleMixin
+{
+	// Abstract
+	public boolean sendTitleMessage(Object watcherObject, int fadeIn, int stay, int fadeOut, String mainTitle, String subTitle);
+	
+	// Parsed
+	public boolean sendTitleMsg(Object watcherObject, int fadeIn, int stay, int fadeOut, String mainTitle, String subTitle);
+	
+	// Available
+	public boolean isTitlesAvailable();
+}

src/com/massivecraft/massivecore/mixin/TitleMixinAbstract.java

@@ -0,0 +1,16 @@
+package com.massivecraft.massivecore.mixin;
+
+import com.massivecraft.massivecore.util.Txt;
+
+public abstract class TitleMixinAbstract implements TitleMixin
+{	
+	// Parsed
+	@Override
+	public boolean sendTitleMsg(Object watcherObject, int fadeIn, int stay, int fadeOut, String mainTitle, String subTitle)
+	{
+		if (mainTitle != null) mainTitle = Txt.parse(mainTitle);
+		if (subTitle != null) subTitle = Txt.parse(subTitle);
+		return this.sendTitleMessage(watcherObject, fadeIn, stay, fadeOut, mainTitle, subTitle);
+	}
+	
+}

src/com/massivecraft/massivecore/mixin/TitleMixinDefault.java

@@ -0,0 +1,41 @@
+package com.massivecraft.massivecore.mixin;
+
+import org.bukkit.entity.Player;
+
+import com.massivecraft.massivecore.util.IdUtil;
+import com.massivecraft.massivecore.util.TitleUtil;
+
+public class TitleMixinDefault extends TitleMixinAbstract
+{
+	// -------------------------------------------- //
+	// INSTANCE & CONSTRUCT
+	// -------------------------------------------- //
+	
+	private static TitleMixinDefault i = new TitleMixinDefault();
+	public static TitleMixinDefault get() { return i; }
+	
+	// -------------------------------------------- //
+	// OVERRIDE
+	// -------------------------------------------- //
+	
+	@Override
+	public boolean sendTitleMessage(Object watcherObject, int fadeIn, int stay, int fadeOut, String mainTitle, String subTitle)
+	{
+		// Get the player
+		Player player = IdUtil.getPlayer(watcherObject);
+		if (player == null) return false;
+		
+		// If we don't send any message (empty is ok) we might end up displaying old messages.
+		if (subTitle == null)	subTitle = "";
+		if (mainTitle == null)	mainTitle = "";
+		
+		return TitleUtil.sendTitle(player, fadeIn, stay, fadeOut, mainTitle, subTitle);
+	}
+
+	@Override
+	public boolean isTitlesAvailable()
+	{
+		return TitleUtil.isAvailable();
+	}
+
+}

src/com/massivecraft/massivecore/util/TitleUtil.java

@@ -0,0 +1,189 @@
+package com.massivecraft.massivecore.util;
+
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+import java.util.logging.Level;
+
+import org.bukkit.entity.Player;
+import org.json.simple.JSONObject;
+
+import com.massivecraft.massivecore.MassiveCore;
+import com.massivecraft.massivecore.particleeffect.ReflectionUtils;
+import com.massivecraft.massivecore.particleeffect.ReflectionUtils.PackageType;
+
+public final class TitleUtil
+{
+	// -------------------------------------------- //
+	// FIELDS
+	// -------------------------------------------- //
+	
+	private static boolean useTitles = false;
+	
+	// The enums used to tell which packet it is.
+	// They correspond to the commands with the same name.
+	private static Class<?> titleEnumClass;
+	private static Enum<?> titleEnum;
+	private static Enum<?> subtitleEnum;
+	private static Enum<?> timesEnum;
+	
+	// Method used to prepare text so it can be send
+	private static Method chatSerializer;
+	// The object we send instead of a string
+	private static Class<?> iChatBaseComponent;
+	
+	// Handling the players conenction
+	private static Method getHandle;
+	private static Field playerConnection;
+	private static Method sendPacket;
+	
+	// The packet and its constructor
+	private static Constructor<?> packetConstructor;
+	private static Constructor<?> packetConstructorTimes;
+	
+	// -------------------------------------------- //
+	// SETUP
+	// -------------------------------------------- //
+	
+	static 
+	{
+		try
+		{
+			// The enum used
+			titleEnumClass = PackageType.MINECRAFT_SERVER.getClass("EnumTitleAction");
+			// Get the enum values.
+			for (Object o : titleEnumClass.getEnumConstants())
+			{
+				Enum<?> e = (Enum<?>) o;
+				if (e.name().equalsIgnoreCase("TITLE")) titleEnum = e;
+				else if (e.name().equalsIgnoreCase("SUBTITLE")) subtitleEnum = e;
+				else if (e.name().equalsIgnoreCase("TIMES")) timesEnum = e;
+			}
+			
+			// Get chatserializer and chat component.
+			iChatBaseComponent = PackageType.MINECRAFT_SERVER.getClass("IChatBaseComponent");
+			chatSerializer = PackageType.MINECRAFT_SERVER.getClass("ChatSerializer").getDeclaredMethod("a", String.class);
+			
+			// Get packet and it's constructor
+			Class<?> packetClass = PackageType.MINECRAFT_SERVER.getClass("PacketPlayOutTitle");
+			packetConstructor = ReflectionUtils.getConstructor(packetClass, titleEnumClass, iChatBaseComponent);
+			packetConstructorTimes = ReflectionUtils.getConstructor(packetClass, titleEnumClass, iChatBaseComponent, Integer.class, Integer.class, Integer.class);
+			
+			// Player connection
+			getHandle = ReflectionUtils.getMethod("CraftPlayer", PackageType.CRAFTBUKKIT_ENTITY, "getHandle");
+			playerConnection = ReflectionUtils.getField("EntityPlayer", PackageType.MINECRAFT_SERVER, false, "playerConnection");
+			sendPacket = ReflectionUtils.getMethod(playerConnection.getType(), "sendPacket", PackageType.MINECRAFT_SERVER.getClass("Packet"));
+			
+			// Set accesible
+			chatSerializer.setAccessible(true);
+			packetConstructor.setAccessible(true);
+			packetConstructorTimes.setAccessible(true);
+			getHandle.setAccessible(true);
+			playerConnection.setAccessible(true);
+			sendPacket.setAccessible(true);
+			
+			
+			// This suceeded, we use titles.
+			useTitles = true;
+		}
+		catch (Exception e)
+		{
+			MassiveCore.get().log(Level.INFO, "If you use 1.7.X or below, disregard this error");
+			MassiveCore.get().log(Level.INFO, "If you use 1.8.X or above, please report at https://github.com/MassiveCraft/MassiveCore/issues");
+			e.printStackTrace();
+			MassiveCore.get().log(Level.INFO, "If you use 1.7.X or below, disregard this error");
+			MassiveCore.get().log(Level.INFO, "If you use 1.8.X or above, please report at https://github.com/MassiveCraft/MassiveCore/issues");
+		
+			// It didn't suceed, we will not use titles.
+			useTitles = false;
+		}
+
+	}
+	
+	// -------------------------------------------- //
+	// AVAILABLE
+	// -------------------------------------------- //
+	
+	public static boolean isAvailable()
+	{
+		return useTitles;
+	}
+	
+	// -------------------------------------------- //
+	// SEND TITLES
+	// -------------------------------------------- //
+	
+	public static boolean sendTitle(Player player, int fadeIn, int stay, int fadeOut, String title, String subtitle)
+	{
+		if ( ! useTitles)
+		{
+			return false;
+		}
+		
+		try
+		{
+			// Fadein, stay, fadeout
+			Object timesPacket = packetConstructorTimes.newInstance(timesEnum, null, fadeIn, stay, fadeOut);
+			sendPacket.invoke(playerConnection.get( getHandle.invoke(player) ), timesPacket);
+		}
+		catch (Exception e)
+		{
+			e.printStackTrace();
+			// So we failed, didn't work.
+			return false;
+		}
+		
+		if (title != null)
+		{
+			title = toJson(title);
+			try
+			{
+				// Title
+				Object titleMain = chatSerializer.invoke(null, title);
+				Object titlePacket = packetConstructor.newInstance(titleEnum, titleMain);
+				sendPacket.invoke(playerConnection.get(getHandle.invoke(player)), titlePacket);	
+			}
+			catch (Exception e)
+			{
+				e.printStackTrace();
+				// So we failed, didn't work.
+				return false;
+			}
+		}
+
+		if (subtitle != null)
+		{
+			subtitle = toJson(subtitle);
+			try
+			{
+				// SubTitle
+				Object subtitleMain = chatSerializer.invoke(null, subtitle);
+				Object subtitlesPacket = packetConstructor.newInstance(subtitleEnum, subtitleMain);
+				sendPacket.invoke(playerConnection.get(getHandle.invoke(player)), subtitlesPacket);
+			}
+			catch (Exception e)
+			{
+				e.printStackTrace();
+				// So we failed, didn't work.
+				return false;
+			}
+		}
+		
+		//It worked.
+		return true;	
+    }
+	
+	// -------------------------------------------- //
+	// JSON
+	// -------------------------------------------- //
+	
+	public static String toJson(String str)
+	{
+		str = JSONObject.escape(str);
+		
+		str = "{\"text\": \"" + str + "\"}";
+		
+		return str;
+	}
+	
+}