[WIP] INTERACT_CAULDRONフラグの実装

src/main/java/net/okocraft/moreflags/CustomFlags.java

@@ -34,6 +34,8 @@ static void init() {
 
     public static final StateFlag EGG_SPAWN_CHICK = registerFlag(createStateFlag("egg-spawn-chick", true));
 
+    public static final StateFlag INTERACT_CAULDRON = registerFlag(createStateFlag("interact-cauldron", true));
+
     @SuppressWarnings("unchecked")
     private static <F extends Flag<?>, C extends F> F registerFlag(C flag) {
         FlagRegistry registry = WorldGuard.getInstance().getFlagRegistry();

src/main/java/net/okocraft/moreflags/Main.java

@@ -1,6 +1,7 @@
 package net.okocraft.moreflags;
 
 import net.okocraft.moreflags.listener.BeaconEffectListener;
+import net.okocraft.moreflags.listener.CauldronLevelChangeListener;
 import net.okocraft.moreflags.listener.DeathMessageListener;
 import net.okocraft.moreflags.listener.EggSpawnChickListener;
 import net.okocraft.moreflags.listener.RaidListener;
@@ -36,6 +37,7 @@ public void onEnable() {
         pm.registerEvents(new WorldGuardInternalListener(), this);
         pm.registerEvents(new RaidListener(this), this);
         pm.registerEvents(new EggSpawnChickListener(), this);
+        pm.registerEvents(new CauldronLevelChangeListener(), this);
         if (protocolLibHook != null) {
             protocolLibHook.registerHandlers();
         }

src/main/java/net/okocraft/moreflags/listener/CauldronLevelChangeListener.java

@@ -0,0 +1,38 @@
+package net.okocraft.moreflags.listener;
+
+import com.sk89q.worldguard.LocalPlayer;
+import com.sk89q.worldguard.bukkit.WorldGuardPlugin;
+import com.sk89q.worldguard.protection.flags.StateFlag;
+import net.okocraft.moreflags.CustomFlags;
+import net.okocraft.moreflags.util.FlagUtil;
+import org.bukkit.block.Block;
+import org.bukkit.entity.Entity;
+import org.bukkit.entity.EntityType;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+import org.bukkit.event.Listener;
+import org.bukkit.event.block.CauldronLevelChangeEvent;
+
+public class CauldronLevelChangeListener implements Listener {
+
+    @EventHandler(priority = EventPriority.LOW, ignoreCancelled = true)
+    private void onCauldronLevelChange(CauldronLevelChangeEvent event) {
+        CauldronLevelChangeEvent.ChangeReason reason = event.getReason();
+        Entity entity = event.getEntity();
+
+        if (entity == null || entity.getType() != EntityType.PLAYER) return;
+        if (isNaturalInteract(reason)) return;
+
+        Block block = event.getBlock();
+        LocalPlayer player = WorldGuardPlugin.inst().wrapPlayer((Player) entity);
+        StateFlag.State state = FlagUtil.queryValue(block.getWorld(), block.getLocation(), player, CustomFlags.INTERACT_CAULDRON);
+        if (state == StateFlag.State.DENY) {
+            event.setCancelled(true);
+        }
+    }
+
+    private boolean isNaturalInteract(CauldronLevelChangeEvent.ChangeReason reason) {
+        return reason == CauldronLevelChangeEvent.ChangeReason.EXTINGUISH || reason == CauldronLevelChangeEvent.ChangeReason.EVAPORATE || reason == CauldronLevelChangeEvent.ChangeReason.NATURAL_FILL;
+    }
+}