Added Creature metadata interface.

src/main/java/com/sk89q/worldedit/entity/metadata/Creature.java

@@ -0,0 +1,56 @@
+/*
+ * WorldEdit, a Minecraft world manipulation toolkit
+ * Copyright (C) sk89q <http://www.sk89q.com>
+ * Copyright (C) WorldEdit team and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.sk89q.worldedit.entity.metadata;
+
+/**
+ * Describes a creature.
+ */
+public interface Creature {
+
+    /**
+     * Returns whether the creature is a non-player character, such as
+     * a NPC human or a villager.
+     *
+     * @return true if the creature is an NPC
+     */
+    boolean isNpc();
+
+    /**
+     * Returns whether the creature can be tamed.
+     *
+     * @return true if the creature can be tamed
+     */
+    boolean isTameable();
+
+    /**
+     * Returns whether the creature is hostile.
+     *
+     * @return true if the creature is hostile
+     */
+    boolean isHostile();
+
+    /**
+     * Returns whether the creature is passive.
+     *
+     * @return true if the creature is passive
+     */
+    boolean isPassive();
+
+}