Add simple VentureChat integration

This integration can filter the recipients of a chat message

src/com/massivecraft/factions/Factions.java

@@ -63,6 +63,7 @@ import com.massivecraft.factions.integration.V18.IntegrationV18;
 import com.massivecraft.factions.integration.V19.IntegrationV19;
 import com.massivecraft.factions.integration.lwc.IntegrationLwc;
 import com.massivecraft.factions.integration.placeholderapi.IntegrationPlaceholderAPI;
+import com.massivecraft.factions.integration.venturechat.IntegrationVentureChat;
 import com.massivecraft.factions.integration.worldguard.IntegrationWorldGuard;
 import com.massivecraft.factions.mixin.PowerMixin;
 import com.massivecraft.factions.task.TaskEconLandReward;
@@ -180,6 +181,7 @@ public class Factions extends MassivePlugin
 	{
 		return MUtil.list(
 			IntegrationPlaceholderAPI.class,
+			IntegrationVentureChat.class,
 			IntegrationV18.class,
 			IntegrationV19.class,
 			IntegrationLwc.class,

src/com/massivecraft/factions/engine/EngineChat.java

@@ -1,8 +1,12 @@
 package com.massivecraft.factions.engine;
 
 import com.massivecraft.factions.Factions;
+import com.massivecraft.factions.Rel;
+import com.massivecraft.factions.RelationParticipator;
 import com.massivecraft.factions.chat.ChatFormatter;
+import com.massivecraft.factions.entity.Faction;
 import com.massivecraft.factions.entity.MConf;
+import com.massivecraft.factions.entity.MPlayer;
 import com.massivecraft.massivecore.Engine;
 import com.massivecraft.massivecore.event.EventMassiveCorePlayerToRecipientChat;
 import com.massivecraft.massivecore.util.MUtil;
@@ -15,6 +19,9 @@ import org.bukkit.event.Listener;
 import org.bukkit.event.player.AsyncPlayerChatEvent;
 import org.bukkit.plugin.EventExecutor;
 
+import java.util.Iterator;
+import java.util.function.Predicate;
+
 public class EngineChat extends Engine
 {
 	// -------------------------------------------- //
@@ -138,5 +145,35 @@ public class EngineChat extends Engine
 		format = ChatFormatter.format(format, event.getSender(), event.getRecipient());
 		event.setFormat(format);
 	}
+
+	// -------------------------------------------- //
+	// FILTER CHAT CHANNEL
+	// -------------------------------------------- //
+
+	public static Predicate<Player> getPredicateIsInFaction(RelationParticipator participator)
+	{
+		return player -> MPlayer.get(player).getRelationTo(participator).isAtLeast(Rel.FACTION);
+	}
+
+	public static Predicate<Player> getPredicateIsAlly(RelationParticipator participator)
+	{
+		return player -> MPlayer.get(player).getFaction().getRelationTo(participator).isAtLeast(Rel.ALLY);
+	}
+
+	public static void filterToPredicate(AsyncPlayerChatEvent event, Predicate<Player> predicate)
+	{
+		Player player = event.getPlayer();
+		MPlayer mplayer = MPlayer.get(player);
+		Faction faction = mplayer.getFaction();
+
+		// Get and filter recipients
+		for (Iterator<Player> it = event.getRecipients().iterator(); it.hasNext();)
+		{
+			Player recipient = it.next();
+			if (predicate.test(recipient)) continue;
+
+			it.remove();
+		}
+	}
 	
 }

src/com/massivecraft/factions/entity/MConf.java

@@ -553,7 +553,15 @@ public class MConf extends Entity<MConf>
 	// Enable the WorldGuard check per-world 
 	// Specify which worlds the WorldGuard Check can be used in
 	public WorldExceptionSet worldguardCheckWorldsEnabled = new WorldExceptionSet();
-	
+
+	// -------------------------------------------- //
+	// INTEGRATION: VentureChat
+	// -------------------------------------------- //
+
+	public String ventureChatFactionChannelName = "faction";
+	public String ventureChatAllyChannelName = "ally";
+	public boolean ventureChatAllowFactionchatBetweenFactionless = false;
+
 	// -------------------------------------------- //
 	// INTEGRATION: ECONOMY
 	// -------------------------------------------- //

src/com/massivecraft/factions/integration/venturechat/EngineVentureChat.java

@@ -0,0 +1,74 @@
+package com.massivecraft.factions.integration.venturechat;
+
+import com.massivecraft.factions.engine.EngineChat;
+import com.massivecraft.factions.entity.Faction;
+import com.massivecraft.factions.entity.MConf;
+import com.massivecraft.factions.entity.MPlayer;
+import com.massivecraft.massivecore.Engine;
+import kangarko.chatcontrol.ChatControl;
+import mineverse.Aust1n46.chat.api.MineverseChatAPI;
+import mineverse.Aust1n46.chat.api.MineverseChatPlayer;
+import mineverse.Aust1n46.chat.channel.ChatChannel;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+import org.bukkit.event.player.AsyncPlayerChatEvent;
+
+import java.util.function.Predicate;
+
+public class EngineVentureChat extends Engine
+{
+	// -------------------------------------------- //
+	// INSTANCE & CONSTRUCT
+	// -------------------------------------------- //
+	
+	private static EngineVentureChat i = new EngineVentureChat();
+	public static EngineVentureChat get() { return i; }
+
+	// -------------------------------------------- //
+	// OVERRIDE
+	// -------------------------------------------- //
+	
+	@Override
+	public void setActiveInner(boolean active)
+	{
+
+	}
+	
+	// -------------------------------------------- //
+	// LISTENER
+	// -------------------------------------------- //
+
+	@EventHandler(priority = EventPriority.LOW, ignoreCancelled = true)
+	public void filterFaction(AsyncPlayerChatEvent event)
+	{
+		// Get player
+		Player player = event.getPlayer();
+		MineverseChatPlayer chatPlayer = MineverseChatAPI.getMineverseChatPlayer(player);
+		ChatChannel channel = chatPlayer.getCurrentChannel();
+		String channelName = channel.getName();
+
+		// If the channel is the Factions channel
+		boolean factionChat = channelName.equalsIgnoreCase(MConf.get().ventureChatFactionChannelName);
+		boolean allyChat = channelName.equalsIgnoreCase(MConf.get().ventureChatAllyChannelName);
+		if (!(factionChat || allyChat)) return;
+
+		MPlayer mplayer = MPlayer.get(player);
+		Faction faction = mplayer.getFaction();
+
+		// Wilderness check
+		if ( !  MConf.get().ventureChatAllowFactionchatBetweenFactionless && faction.isNone())
+		{
+			mplayer.msg("<b>Factionless can't use faction chat.");
+			event.setCancelled(true);
+		}
+
+		Predicate<Player> predicateChannel = factionChat ? EngineChat.getPredicateIsInFaction(faction) : EngineChat.getPredicateIsAlly(faction);
+		Predicate<Player> isSpy = recipient -> MineverseChatAPI.getMineverseChatPlayer(recipient).isSpy();
+		Predicate<Player> predicate = isSpy.or(predicateChannel);
+
+		EngineChat.filterToPredicate(event, predicate);
+		ChatControl
+	}
+	
+}

src/com/massivecraft/factions/integration/venturechat/IntegrationVentureChat.java

@@ -0,0 +1,29 @@
+package com.massivecraft.factions.integration.venturechat;
+
+import com.massivecraft.massivecore.Engine;
+import com.massivecraft.massivecore.Integration;
+
+public class IntegrationVentureChat extends Integration
+{
+	// -------------------------------------------- //
+	// INSTANCE & CONSTRUCT
+	// -------------------------------------------- //
+
+	private static IntegrationVentureChat i = new IntegrationVentureChat();
+	public static IntegrationVentureChat get() { return i; }
+	private IntegrationVentureChat()
+	{
+		this.setPluginName("VentureChat");
+	}
+	
+	// -------------------------------------------- //
+	// OVERRIDE
+	// -------------------------------------------- //
+
+	@Override
+	public Engine getEngine()
+	{
+		return EngineVentureChat.get();
+	}
+	
+}