Added npc.setPoweredTexture(directory) and npc.getPoweredTexture() functions, along with a new powered texture resource.

Sample code:
npc.setPoweredTexture("customnpcs:textures/entity/npc_armor.png");

src/main/java/noppes/npcs/scripted/entity/ScriptNpc.java

@@ -1006,4 +1006,13 @@ public class ScriptNpc<T extends EntityNPCInterface> extends ScriptLiving<T> imp
 	public String getOverlayTexture() {
 		return npc.display.glowTexture;
 	}
+
+	public void setPoweredTexture(String poweredTexture) {
+		npc.display.poweredTexture = poweredTexture;
+		npc.updateClient = true;
+	}
+
+	public String getPoweredTexture() {
+		return npc.display.poweredTexture;
+	}
 }