Add sponsorship. Ignore Entity CommandSenders, support ignoring player invenoties on clone.

plugin.yml

@@ -13,7 +13,6 @@ permissions:
   massivecore.basecommand: {description: use the MassiveCore base command, default: false}
   massivecore.test: {description: run developer test, default: false}
   massivecore.id: {description: see the server id, default: false}
-  massivecore.version: {description: diplay plugin version, default: false}
   massivecore.hearsound: {description: hear a sound, default: false}
   massivecore.store: {description: use the mstore command, default: false}
   massivecore.store.stats: {description: show mstore statistics, default: false}
@@ -41,8 +40,10 @@ permissions:
   massivecore.buffer.add: {description: add to buffer, default: false}
   massivecore.buffer.whitespace: {description: add whitespace to buffer, default: false}
   massivecore.cmdurl: {description: run all lines of url content, default: false}
-  massivecore.click: {description: click, default: false}
   massivecore.config: {description: edit config, default: false}
+  massivecore.sponsor: {description: toggle sponsor message, default: false}
+  massivecore.click: {description: click, default: false}
+  massivecore.version: {description: diplay plugin version, default: false}
 # misc
   massivecore.notpdelay: {description: teleport without delay, default: false}
   massivecore.variable.book: {description: replace ***book*** with content of book in your hand, default: false}
@@ -56,7 +57,6 @@ permissions:
       massivecore.basecommand: true
       massivecore.test: true
       massivecore.id: true
-      massivecore.version: true
       massivecore.hearsound: true
       massivecore.store: true
       massivecore.store.stats: true
@@ -84,8 +84,10 @@ permissions:
       massivecore.buffer.add: true
       massivecore.buffer.whitespace: true
       massivecore.cmdurl: true
-      massivecore.click: true
       massivecore.config: true
+      massivecore.sponsor: true
+      massivecore.click: true
+      massivecore.version: true
       massivecore.notpdelay: true
       massivecore.variable.book: true
       massivecore.variable.buffer: true

src/com/massivecraft/massivecore/Button.java

@@ -12,6 +12,7 @@ import com.massivecraft.massivecore.command.MassiveCommand;
 import com.massivecraft.massivecore.command.massivecore.CmdMassiveCore;
 import com.massivecraft.massivecore.command.requirement.Requirement;
 import com.massivecraft.massivecore.command.requirement.RequirementAbstract;
+import com.massivecraft.massivecore.command.requirement.RequirementIsPlayer;
 import com.massivecraft.massivecore.mson.Mson;
 import com.massivecraft.massivecore.mson.MsonEvent;
 
@@ -69,8 +70,8 @@ public class Button
 	// Requirements to always be validated.
 	private List<Requirement> requirements = new MassiveList<>();
 	public List<Requirement> getRequirements() { return this.requirements; }
-	public Button setRequirements(Collection<Requirement> requirements) { this.requirements = new MassiveList<>(requirements); return this; }
+	public Button addRequirements(Collection<Requirement> requirements) { this.requirements.addAll(requirements); return this; }
-	public Button setRequirements(Requirement... requirements) { this.setRequirements(Arrays.asList(requirements)); return this; }
+	public Button addRequirements(Requirement... requirements) { this.addRequirements(Arrays.asList(requirements)); return this; }
 	
 	// -------------------------------------------- //
 	// FIELDS > COMMAND
@@ -120,6 +121,8 @@ public class Button
 		{
 			// Get Requirements
 			List<Requirement> requirements = new MassiveList<>();
+			requirements.add(RequirementIsPlayer.get());
+			requirements.addAll(this.getRequirements());
 			if (this.getCommand() != null) requirements.addAll(this.getCommand().getRequirements());
 			
 			// Check Requirements

src/com/massivecraft/massivecore/ItemData.java

@@ -0,0 +1,112 @@
+package com.massivecraft.massivecore;
+
+import java.util.Collection;
+import java.util.List;
+import java.util.Map;
+
+import org.bukkit.Bukkit;
+import org.bukkit.Color;
+import org.bukkit.enchantments.Enchantment;
+
+import com.massivecraft.massivecore.collections.MassiveListDef;
+import com.massivecraft.massivecore.collections.MassiveMapDef;
+
+public class ItemData
+{
+	// -------------------------------------------- //
+	// CONSTANTS
+	// -------------------------------------------- //
+	
+	// Immutable Defaults
+	public static final transient int DEFAULT_ID = 0;
+	public static final transient int DEFAULT_COUNT = 1;
+	public static final transient int DEFAULT_DAMAGE = 0;
+	public static final transient boolean DEFAULT_SCALING = false;
+	
+	// -------------------------------------------- //
+	// FIELDS > BASIC
+	// -------------------------------------------- //
+	
+	private Integer id = null;
+	public int getId() { return (this.id == null ? DEFAULT_ID : this.id); }
+	public ItemData setId(int id) { this.id = (id == DEFAULT_ID ? null : id); return this; }
+	
+	private Integer count = null;
+	public int getCount() { return (this.count == null ? DEFAULT_COUNT : this.count); }
+	public ItemData setCount(int count) { this.count = (count == DEFAULT_COUNT ? null : count); return this; }
+	
+	private Integer damage = null;
+	public int getDamage() { return (this.damage == null ? DEFAULT_DAMAGE : this.damage); }
+	public ItemData setDamage(int damage) { this.damage = (damage == DEFAULT_DAMAGE ? null: damage); return this; }
+	
+	// -------------------------------------------- //
+	// FIELDS > UNSPECIFIC
+	// -------------------------------------------- //
+	
+	private String name = null;
+	public String getName() { return this.name; }
+	public ItemData setName(String name) { this.name = name; return this; }
+	
+	private MassiveListDef<String> lore = new MassiveListDef<>();
+	public List<String> getLore() { return this.lore; }
+	public ItemData setLore(Collection<String> lore) { this.lore = new MassiveListDef<>(lore); return this;}
+	
+	private MassiveMapDef<Enchantment, Integer> enchants = new MassiveMapDef<>();
+	public Map<Enchantment, Integer> getEnchants() { return this.enchants; }
+	public ItemData setEnchants(Map<Enchantment, Integer> enchants) { this.enchants = new MassiveMapDef<>(enchants); return this; }
+	
+	private Integer repaircost = null;
+	public Integer getRepaircost() { return this.repaircost; }
+	public ItemData setRepaircost(int repaircost) { this.repaircost = repaircost; return this; }
+	
+	// -------------------------------------------- //
+	// FIELDS > BOOK
+	// -------------------------------------------- //
+	
+	private String title = null;
+	public String getTitle() { return this.title; }
+	public ItemData setTitle(String title) { this.title = title; return this; }
+	
+	private String author = null;
+	public String getAuthor() { return this.author; }
+	public ItemData setAuthor(String author) { this.author = author; return this; }
+	
+	private MassiveListDef<String> pages = new MassiveListDef<>();
+	public List<String> getPages() { return this.pages; }
+	public ItemData setPages(Collection<String> bookPages) { this.pages = new MassiveListDef<>(bookPages); return this; }
+	
+	// -------------------------------------------- //
+	// FIELDS > LEATHER ARMOR
+	// -------------------------------------------- //
+	
+	private Color color = null;
+	public Color getColor() { return (this.color == null ? Bukkit.getItemFactory().getDefaultLeatherColor() : this.color); }
+	public ItemData setColor(Color color) { this.color = (Bukkit.getItemFactory().getDefaultLeatherColor().equals(color) ? null : color); return this; }
+	
+	// -------------------------------------------- //
+	// FIELDS > MAP
+	// -------------------------------------------- //
+	
+	private Boolean scaling = null;
+	public boolean isScaling() { return (this.scaling == null ? DEFAULT_SCALING : this.scaling); }
+	public ItemData setScaling(boolean scaling) { this.scaling = (scaling == DEFAULT_SCALING ? null : scaling); return this; }
+	
+	// -------------------------------------------- //
+	// FIELDS > ...
+	// -------------------------------------------- //
+	
+	// TODO: Add all the fields
+	
+	// -------------------------------------------- //
+	// CONVERT
+	// -------------------------------------------- //
+	
+	// TODO: Add in covert methods... they will have to use mixins for transfering!
+	
+	// -------------------------------------------- //
+	// HASH CODE & EQUALS
+	// -------------------------------------------- //
+	
+	// TODO
+	
+}

src/com/massivecraft/massivecore/MassiveCore.java

@@ -56,6 +56,7 @@ import com.massivecraft.massivecore.engine.EngineMassiveCorePlayerLeave;
 import com.massivecraft.massivecore.engine.EngineMassiveCorePlayerState;
 import com.massivecraft.massivecore.engine.EngineMassiveCorePlayerUpdate;
 import com.massivecraft.massivecore.engine.EngineMassiveCoreScheduledTeleport;
+import com.massivecraft.massivecore.engine.EngineMassiveCoreSponsor;
 import com.massivecraft.massivecore.engine.EngineMassiveCoreTeleportMixinCause;
 import com.massivecraft.massivecore.engine.EngineMassiveCoreVariable;
 import com.massivecraft.massivecore.engine.EngineMassiveCoreWorldNameSet;
@@ -207,6 +208,7 @@ public class MassiveCore extends MassivePlugin
 			MultiverseColl.get(),
 			AspectColl.get(),
 			MassiveCoreMConfColl.get(),
+			MassiveCoreMSponsorInfoColl.get(),
 		
 			// Engine
 			EngineMassiveCoreChestGui.get(),
@@ -223,6 +225,7 @@ public class MassiveCore extends MassivePlugin
 			EngineMassiveCoreTeleportMixinCause.get(),
 			EngineMassiveCoreVariable.get(),
 			EngineMassiveCoreWorldNameSet.get(),
+			EngineMassiveCoreSponsor.get(),
 			
 			// Util
 			PlayerUtil.get(),

src/com/massivecraft/massivecore/MassiveCoreMConf.java

@@ -116,4 +116,11 @@ public class MassiveCoreMConf extends Entity<MassiveCoreMConf>
 	@EditorType(fieldName = "iOn")
 	public boolean warnOnLocalAlter = false;
 	
+	// -------------------------------------------- //
+	// SPONSOR
+	// -------------------------------------------- //
+	
+	public boolean sponsorEnabled = true;
+	public long sponsorUpdateMillis = 0;
+
 }

src/com/massivecraft/massivecore/MassiveCoreMConfColl.java

@@ -14,7 +14,7 @@ public class MassiveCoreMConfColl extends Coll<MassiveCoreMConf>
 	public static MassiveCoreMConfColl get() { return i; }
 	private MassiveCoreMConfColl()
 	{
-		super("massivecore_mconf", MassiveCoreMConf.class, MStore.getDb(ConfServer.dburi), MassiveCore.get());
+		super("massivecore_mconf", MassiveCoreMConf.class, MStore.getDb(), MassiveCore.get());
 	}
 
 	// -------------------------------------------- //

src/com/massivecraft/massivecore/MassiveCoreMSponsorInfo.java

@@ -0,0 +1,166 @@
+package com.massivecraft.massivecore;
+
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.List;
+
+import org.bukkit.Bukkit;
+
+import com.massivecraft.massivecore.collections.MassiveList;
+import com.massivecraft.massivecore.store.Entity;
+import com.massivecraft.massivecore.util.TimeUnit;
+import com.massivecraft.massivecore.util.Txt;
+import com.massivecraft.massivecore.util.WebUtil;
+
+public class MassiveCoreMSponsorInfo extends Entity<MassiveCoreMSponsorInfo>
+{
+	// -------------------------------------------- //
+	// META
+	// -------------------------------------------- //
+	
+	protected static transient MassiveCoreMSponsorInfo i;
+	public static MassiveCoreMSponsorInfo get() { return i; }
+	
+	// -------------------------------------------- //
+	// COMMON
+	// -------------------------------------------- //
+	
+	public boolean enabled = true;
+	
+	public long enabledToMillis = 1473890400000L;
+	
+	public List<String> indicatorFileNames = new MassiveList<>(
+		"/home/smpicnic"
+	);
+	
+	// -------------------------------------------- //
+	// CONSOLE
+	// -------------------------------------------- //
+	
+	public boolean consoleEnabled = true;
+	
+	public int consoleDelayTicks = 100;
+	
+	public List<String> consoleMsgs = new MassiveList<>(
+		"",
+		"<pink>____----====[ <aqua>Sponsored by ServerMiner<pink> ]====----____",
+		"<lime>Get <gold>20% off<lime> a Premium Minecraft Server at ServerMiner:",
+		"<aqua>https://ServerMiner.com/?p=MassiveCraft",
+		"",
+		"<lime>Factions and MassiveCore is sponsored by ServerMiner.com!",
+		"<lime>They help us fund the development of new plugin features.",
+		"<lime>Use the promo code <gold>MassiveCraft<lime> to get a <gold>20% discount<lime>.",
+		"",
+		"<i>Only server operators get this message, not regular players.",
+		"<i>Type <c>/mcore sponsor<i> to disable it.",
+		"" // NOTE: an empty line like this makes sense in console but not for players.
+	);
+	
+	// -------------------------------------------- //
+	// INGAME
+	// -------------------------------------------- //
+	
+	public boolean ingameEnabled = true;
+	
+	public int ingameDelayTicks = 600;
+	
+	public List<String> ingameMsgs = new MassiveList<>(
+		"",
+		"<pink>____----====[ <aqua>Sponsored by ServerMiner<pink> ]====----____",
+		"<lime>Get <gold>20% off<lime> a Premium Minecraft Server at ServerMiner:",
+		"<aqua>https://ServerMiner.com/?p=MassiveCraft",
+		"",
+		"<lime>Factions and MassiveCore is sponsored by ServerMiner.com!",
+		"<lime>They help us fund the development of new plugin features.",
+		"<lime>Use the promo code <gold>MassiveCraft<lime> to get a <gold>20% discount<lime>.",
+		"",
+		"<i>Only server operators get this message, not regular players.",
+		"<i>Type <c>/mcore sponsor<i> to disable it."
+	);
+	
+	public List<SoundEffect> ingameSoundEffects = new MassiveList<>(
+		SoundEffect.valueOf(
+			"ENTITY_PLAYER_LEVELUP",
+			1.0F,
+			0.8F
+		),
+		SoundEffect.valueOf(
+			"ENTITY_EXPERIENCE_ORB_PICKUP",
+			1.0F,
+			0.8F
+		)
+	);
+	
+	public String ingameLink = "https://ServerMiner.com/?p=MassiveCraft";
+
+	// -------------------------------------------- //
+	// UPDATE
+	// -------------------------------------------- //
+	
+	public static final transient long SPONSOR_INFO_UPDATE_MILLIS = TimeUnit.MILLIS_PER_HOUR;
+	public static final transient URL SPONSOR_INFO_URL;
+	static
+	{
+		URL url = null;
+		try
+		{
+			url = new URL("http://sponsorinfo.massivecraft.com/1/");
+		}
+		catch (MalformedURLException e)
+		{
+			e.printStackTrace();
+		}
+		SPONSOR_INFO_URL = url;
+	}
+	
+	public static void update()
+	{
+		// If enough time has passed since last update ...
+		long now = System.currentTimeMillis();
+		long last = MassiveCoreMConf.get().sponsorUpdateMillis;
+		long since = now - last;
+		if (since < SPONSOR_INFO_UPDATE_MILLIS) return;
+		
+		// ... then mark update ...
+		MassiveCoreMConf.get().sponsorUpdateMillis = now;
+		MassiveCoreMConf.get().changed();
+		
+		// ... and start the update.
+		updateInner();
+	}
+	
+	public static void updateInner()
+	{
+		Bukkit.getScheduler().runTaskAsynchronously(MassiveCore.get(), new Runnable()
+		{
+			@Override
+			public void run()
+			{
+				List<String> lines;
+				try
+				{
+					lines = WebUtil.getLines(SPONSOR_INFO_URL);
+				}
+				catch (IOException e)
+				{
+					e.printStackTrace();
+					return;
+				}
+				final String json = Txt.implode(lines, "\n");
+				Bukkit.getScheduler().runTask(MassiveCore.get(), new Runnable()
+				{
+					@Override
+					public void run()
+					{
+						MassiveCoreMSponsorInfo web = MassiveCore.get().getGson().fromJson(json, MassiveCoreMSponsorInfo.class);
+						MassiveCoreMSponsorInfo live = MassiveCoreMSponsorInfo.get();
+						live.load(web);
+						live.changed();
+					}
+				});
+			}
+		});
+	}
+	
+}

src/com/massivecraft/massivecore/MassiveCoreMSponsorInfoColl.java

@@ -0,0 +1,43 @@
+package com.massivecraft.massivecore;
+
+import com.massivecraft.massivecore.store.Coll;
+import com.massivecraft.massivecore.store.MStore;
+
+public class MassiveCoreMSponsorInfoColl extends Coll<MassiveCoreMSponsorInfo>
+{
+	// -------------------------------------------- //
+	// INSTANCE & CONSTRUCT
+	// -------------------------------------------- //
+	
+	private static MassiveCoreMSponsorInfoColl i = new MassiveCoreMSponsorInfoColl();
+	public static MassiveCoreMSponsorInfoColl get() { return i; }
+	private MassiveCoreMSponsorInfoColl()
+	{
+		super("massivecore_msponsorinfo", MassiveCoreMSponsorInfo.class, MStore.getDb(), MassiveCore.get());
+	}
+
+	// -------------------------------------------- //
+	// STACK TRACEABILITY
+	// -------------------------------------------- //
+	
+	@Override
+	public void onTick()
+	{
+		super.onTick();
+	}
+	
+	// -------------------------------------------- //
+	// OVERRIDE
+	// -------------------------------------------- //
+	
+	@Override
+	public void setActive(boolean active)
+	{
+		super.setActive(active);
+		
+		if ( ! active) return;
+		
+		MassiveCoreMSponsorInfo.i = this.get(MassiveCore.INSTANCE, true);
+	}
+	
+}

src/com/massivecraft/massivecore/MassiveCorePerm.java

@@ -42,10 +42,12 @@ public enum MassiveCorePerm
 	BUFFER_WHITESPACE,
 	CMDURL,
 	CONFIG,
+	SPONSOR,
+	CLICK,
 	NOTPDELAY,
 	VARIABLE_BOOK,
 	VARIABLE_BUFFER,
-	CLICK,
+	
 	
 	// END OF LIST
 	;

src/com/massivecraft/massivecore/command/massivecore/CmdMassiveCore.java

@@ -31,8 +31,9 @@ public class CmdMassiveCore extends MassiveCommand
 	public CmdMassiveCoreHearsound cmdMassiveCoreHearsound = new CmdMassiveCoreHearsound();
 	public CmdMassiveCoreBuffer cmdMassiveCoreBuffer = new CmdMassiveCoreBuffer();
 	public CmdMassiveCoreCmdurl cmdMassiveCoreCmdurl = new CmdMassiveCoreCmdurl();
-	public CmdMassiveCoreClick cmdMassiveCoreClick = new CmdMassiveCoreClick();
 	public CommandEditAbstract<MassiveCoreMConf, MassiveCoreMConf> cmdMassiveCoreConfig = new CommandEditSingleton<>(MassiveCoreMConf.get(), MassiveCorePerm.CONFIG.node);
+	public CmdMassiveCoreSponsor cmdMassiveCoreSponsor = new CmdMassiveCoreSponsor();
+	public CmdMassiveCoreClick cmdMassiveCoreClick = new CmdMassiveCoreClick();
 	public MassiveCommandVersion cmdMassiveCoreVersion = new MassiveCommandVersion(MassiveCore.get(), MassiveCorePerm.VERSION.node, "v", "version");
 	
 	// -------------------------------------------- //
@@ -52,8 +53,9 @@ public class CmdMassiveCore extends MassiveCommand
 		this.addChild(this.cmdMassiveCoreHearsound);
 		this.addChild(this.cmdMassiveCoreBuffer);
 		this.addChild(this.cmdMassiveCoreCmdurl);
-		this.addChild(this.cmdMassiveCoreClick);
 		this.addChild(this.cmdMassiveCoreConfig);
+		this.addChild(this.cmdMassiveCoreSponsor);
+		this.addChild(this.cmdMassiveCoreClick);
 		this.addChild(this.cmdMassiveCoreVersion);
 		
 		// Requirements

src/com/massivecraft/massivecore/command/massivecore/CmdMassiveCoreSponsor.java

@@ -0,0 +1,47 @@
+package com.massivecraft.massivecore.command.massivecore;
+
+import com.massivecraft.massivecore.MassiveCoreMConf;
+import com.massivecraft.massivecore.MassiveCorePerm;
+import com.massivecraft.massivecore.command.MassiveCommandToggle;
+import com.massivecraft.massivecore.command.requirement.RequirementHasPerm;
+
+public class CmdMassiveCoreSponsor extends MassiveCommandToggle
+{
+	// -------------------------------------------- //
+	// INSTANCE
+	// -------------------------------------------- //
+	
+	private static CmdMassiveCoreSponsor i = new CmdMassiveCoreSponsor();
+	public static CmdMassiveCoreSponsor get() { return i; }
+	
+	// -------------------------------------------- //
+	// CONSTRUCT
+	// -------------------------------------------- //
+	
+	public CmdMassiveCoreSponsor()
+	{
+		// Aliases
+		this.addAliases("sponsor");
+		
+		// Requirements
+		this.addRequirements(RequirementHasPerm.get(MassiveCorePerm.SPONSOR.node));
+	}
+	
+	// -------------------------------------------- //
+	// OVERRIDE
+	// -------------------------------------------- //
+	
+	@Override
+	public boolean getValue()
+	{
+		return MassiveCoreMConf.get().sponsorEnabled;
+	}
+	
+	@Override
+	public void setValue(boolean value)
+	{
+		MassiveCoreMConf.get().sponsorEnabled = value;
+		MassiveCoreMConf.get().changed();
+	}
+	
+}

src/com/massivecraft/massivecore/engine/EngineMassiveCoreSponsor.java

@@ -0,0 +1,137 @@
+package com.massivecraft.massivecore.engine;
+
+import java.io.File;
+import java.util.List;
+
+import org.bukkit.Bukkit;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+import org.bukkit.event.player.PlayerJoinEvent;
+
+import com.massivecraft.massivecore.Engine;
+import com.massivecraft.massivecore.MassiveCoreMConf;
+import com.massivecraft.massivecore.MassiveCoreMSponsorInfo;
+import com.massivecraft.massivecore.SoundEffect;
+import com.massivecraft.massivecore.mixin.MixinDisplayName;
+import com.massivecraft.massivecore.mixin.MixinMessage;
+import com.massivecraft.massivecore.mson.Mson;
+import com.massivecraft.massivecore.util.IdUtil;
+import com.massivecraft.massivecore.util.Txt;
+
+public class EngineMassiveCoreSponsor extends Engine
+{
+	// -------------------------------------------- //
+	// INSTANCE & CONSTRUCT
+	// -------------------------------------------- //
+	
+	private static EngineMassiveCoreSponsor i = new EngineMassiveCoreSponsor();
+	public static EngineMassiveCoreSponsor get() { return i; }
+	public EngineMassiveCoreSponsor()
+	{
+		this.setPeriod(1L);
+	}
+	
+	// -------------------------------------------- //
+	// OVERRIDE
+	// -------------------------------------------- //
+	
+	@Override
+	public void setActiveInner(boolean active)
+	{
+		if ( ! active) return;
+
+		this.inform(IdUtil.getConsole());
+	}
+	
+	// -------------------------------------------- //
+	// UPDATE
+	// -------------------------------------------- //
+	
+	@Override
+	public void run()
+	{
+		MassiveCoreMSponsorInfo.update();
+	}
+	
+	// -------------------------------------------- //
+	// INFORM
+	// -------------------------------------------- //
+	
+	public void inform(final CommandSender sender)
+	{
+		// If enabled by mconf ...
+		if ( ! MassiveCoreMConf.get().sponsorEnabled) return;
+		
+		// ... and enabled by info base ...
+		if ( ! MassiveCoreMSponsorInfo.get().enabled) return;
+		
+		// ... and enabled by info time ...
+		long now = System.currentTimeMillis();
+		long to = MassiveCoreMSponsorInfo.get().enabledToMillis;
+		long left = to - now;
+		if (left <= 0) return;
+		
+		// ... and enabled by sender type ...
+		boolean isConsole = IdUtil.isConsole(sender);
+		boolean enabledByType = (isConsole ? MassiveCoreMSponsorInfo.get().consoleEnabled : MassiveCoreMSponsorInfo.get().ingameEnabled);
+		if ( ! enabledByType) return;
+		
+		// ... and enabled by sender operator ...
+		if ( ! sender.isOp()) return;
+		
+		// ... and enabled by in indicator files ...
+		for (String indicatorFileName : MassiveCoreMSponsorInfo.get().indicatorFileNames)
+		{
+			File indicatorFile = new File(indicatorFileName);
+			if (indicatorFile.exists()) return;
+		}
+		
+		// ... then schedule inner inform.
+		int delayTicks = (isConsole ? MassiveCoreMSponsorInfo.get().consoleDelayTicks : MassiveCoreMSponsorInfo.get().ingameDelayTicks);
+		Bukkit.getScheduler().runTaskLater(this.getPlugin(), new Runnable()
+		{
+			@Override
+			public void run()
+			{
+				informInner(sender);
+			}
+		}, delayTicks);
+	}
+	
+	public void informInner(CommandSender sender)
+	{
+		// Console?
+		boolean isConsole = IdUtil.isConsole(sender);
+		
+		// Messages
+		List<String> msgs = (isConsole ? MassiveCoreMSponsorInfo.get().consoleMsgs : MassiveCoreMSponsorInfo.get().ingameMsgs);		
+		String senderVisual = MixinDisplayName.get().getDisplayName(sender, sender);
+		for (String msg : msgs)
+		{
+			String message = Txt.parse(msg);
+			message = message.replace("{p}", senderVisual);
+			Mson mson = Mson.fromParsedMessage(message).link(MassiveCoreMSponsorInfo.get().ingameLink);
+			MixinMessage.get().messageOne(sender, mson);
+		}
+		
+		// Sound
+		if (sender instanceof Player)
+		{
+			Player player = (Player)sender;
+			SoundEffect.runAll(MassiveCoreMSponsorInfo.get().ingameSoundEffects, player);
+		}
+	}
+	
+	// -------------------------------------------- //
+	// LISTENER
+	// -------------------------------------------- //
+	
+	@EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onPlayerJoin(PlayerJoinEvent event)
+    {
+		this.inform(event.getPlayer());
+    }
+	
+}

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

@@ -16,6 +16,7 @@ import org.bukkit.Bukkit;
 import org.bukkit.GameMode;
 import org.bukkit.command.CommandSender;
 import org.bukkit.command.ConsoleCommandSender;
+import org.bukkit.entity.Entity;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
@@ -678,6 +679,12 @@ public class IdUtil implements Listener, Runnable
 	{
 		if (sender instanceof Player) return ((Player) sender).getUniqueId().toString();
 		if (sender instanceof ConsoleCommandSender) return CONSOLE_ID;
+		
+		// We blacklist all entities other than players.
+		// This is because all entities are CommandSenders since Minecraft 1.9.
+		// We do not want Arrows with id "arrow" in the database.
+		if (sender instanceof Entity) return null;
+		
 		return sender.getName().toLowerCase();
 	}
 	

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

@@ -379,7 +379,7 @@ public class InventoryUtil
 		return ret;
 	}
 	
-	public static Inventory cloneInventory(Inventory inventory)
+	public static Inventory cloneInventory(Inventory inventory, boolean playerSupport)
 	{
 		if (inventory == null) return null;
 		
@@ -389,7 +389,7 @@ public class InventoryUtil
 		InventoryHolder holder = inventory.getHolder();
 		String title = inventory.getTitle();
 		
-		if (inventory instanceof PlayerInventory)
+		if (playerSupport && inventory instanceof PlayerInventory)
 		{
 			PlayerInventory pret = Mixin.createPlayerInventory();
 			ret = pret;
@@ -412,9 +412,9 @@ public class InventoryUtil
 		return ret;
 	}
 	
-	public static PlayerInventory cloneInventory(PlayerInventory inventory)
+	public static PlayerInventory cloneInventory(PlayerInventory inventory, boolean playerSupport)
 	{
-		return (PlayerInventory)cloneInventory((Inventory)inventory);
+		return (PlayerInventory)cloneInventory((Inventory)inventory, playerSupport);
 	}
 	
 	// -------------------------------------------- //
@@ -493,7 +493,8 @@ public class InventoryUtil
 	// NOTE: This method does not alter the inventory.
 	public static int roomLeft(Inventory inventory, ItemStack item, int limit)
 	{
-		inventory = cloneInventory(inventory);
+		// NOTE: We can not afford to clone player inventories here.
+		inventory = cloneInventory(inventory, false);
 		int ret = 0;
 		while (limit <= 0 || ret < limit)
 		{