Added ability to change if a creeper NPC is powered. This address CITIZENS-16.

src/main/java/net/citizensnpcs/command/command/NPCCommands.java

@@ -20,6 +20,7 @@ import net.citizensnpcs.command.exception.CommandException;
 import net.citizensnpcs.command.exception.NoPermissionsException;
 import net.citizensnpcs.npc.CitizensNPCManager;
 import net.citizensnpcs.trait.LookClose;
+import net.citizensnpcs.trait.Powered;
 import net.citizensnpcs.util.Messaging;
 import net.citizensnpcs.util.Paginator;
 import net.citizensnpcs.util.StringHelper;
@@ -367,4 +368,19 @@ public class NPCCommands {
         npc.getTrait(SpawnLocation.class).setLocation(npc.getBukkitEntity().getLocation());
         Messaging.send(player, StringHelper.wrap(npc.getName()) + " was teleported to your location.");
     }
+
+    @Command(
+             aliases = { "npc" },
+             usage = "power",
+             desc = "Toggle a creeper NPC as powered",
+             modifiers = { "power" },
+             min = 1,
+             max = 1,
+             permission = "npc.power")
+    @Requirements(selected = true, ownership = true, types = { EntityType.CREEPER })
+    public void power(CommandContext args, Player player, NPC npc) {
+        String msg = StringHelper.wrap(npc.getName()) + " will "
+                + (npc.getTrait(Powered.class).toggle() ? "now" : "no longer");
+        Messaging.send(player, msg += " be powered.");
+    }
 }

src/main/java/net/citizensnpcs/npc/CitizensTraitManager.java

@@ -16,6 +16,7 @@ import net.citizensnpcs.api.trait.trait.Owner;
 import net.citizensnpcs.api.trait.trait.Spawned;
 import net.citizensnpcs.api.trait.trait.SpawnLocation;
 import net.citizensnpcs.trait.LookClose;
+import net.citizensnpcs.trait.Powered;
 import net.citizensnpcs.trait.text.Text;
 import net.citizensnpcs.trait.waypoint.Waypoints;
 
@@ -29,6 +30,7 @@ public class CitizensTraitManager implements TraitManager {
         registerTrait(new TraitFactory(LookClose.class).withName("look-close"));
         registerTrait(new TraitFactory(MobType.class).withName("type"));
         registerTrait(new TraitFactory(Owner.class).withName("owner"));
+        registerTrait(new TraitFactory(Powered.class).withName("powered"));
         registerTrait(new TraitFactory(Spawned.class).withName("spawned"));
         registerTrait(new TraitFactory(SpawnLocation.class).withName("location"));
         registerTrait(new TraitFactory(Text.class).withName("text"));

src/main/java/net/citizensnpcs/trait/Powered.java

@@ -0,0 +1,45 @@
+package net.citizensnpcs.trait;
+
+import org.bukkit.entity.Creeper;
+
+import net.citizensnpcs.api.npc.NPC;
+import net.citizensnpcs.api.trait.Trait;
+import net.citizensnpcs.api.util.DataKey;
+
+public class Powered extends Trait implements Toggleable {
+    private boolean powered;
+    private final NPC npc;
+
+    public Powered(NPC npc) {
+        this.npc = npc;
+    }
+
+    @Override
+    public void load(DataKey key) {
+        powered = key.getBoolean("");
+    }
+
+    @Override
+    public void save(DataKey key) {
+        key.setBoolean("", powered);
+    }
+
+    @Override
+    public void onNPCSpawn() {
+        if (npc.getBukkitEntity() instanceof Creeper)
+            ((Creeper) npc.getBukkitEntity()).setPowered(powered);
+    }
+
+    @Override
+    public boolean toggle() {
+        powered = !powered;
+        if (npc.getBukkitEntity() instanceof Creeper)
+            ((Creeper) npc.getBukkitEntity()).setPowered(powered);
+        return powered;
+    }
+
+    @Override
+    public String toString() {
+        return "Powered{" + powered + "}";
+    }
+}

src/main/resources/plugin.yml

@@ -27,6 +27,7 @@ permissions:
           citizens.npc.help: true
           citizens.npc.list: true
           citizens.npc.owner: true
+          citizens.npc.power: true
           citizens.npc.remove: true
           citizens.npc.remove.all: true
           citizens.npc.rename: true