cherry pick refactor

src/main/java/baritone/Baritone.java

@@ -0,0 +1,106 @@
+/*
+ * This file is part of Baritone.
+ *
+ * Baritone is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Baritone 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Baritone.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package baritone;
+
+import baritone.behavior.Behavior;
+import baritone.behavior.impl.LookBehavior;
+import baritone.behavior.impl.MemoryBehavior;
+import baritone.behavior.impl.PathingBehavior;
+import baritone.event.GameEventHandler;
+import baritone.utils.InputOverrideHandler;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * @author Brady
+ * @since 7/31/2018 10:50 PM
+ */
+public enum Baritone {
+
+    /**
+     * Singleton instance of this class
+     */
+    INSTANCE;
+
+    /**
+     * Whether or not {@link Baritone#init()} has been called yet
+     */
+    private boolean initialized;
+
+    private GameEventHandler gameEventHandler;
+    private InputOverrideHandler inputOverrideHandler;
+    private Settings settings;
+    private List<Behavior> behaviors;
+
+    /**
+     * Whether or not Baritone is active
+     */
+    private boolean active;
+
+    public synchronized void init() {
+        if (initialized) {
+            return;
+        }
+        this.gameEventHandler = new GameEventHandler();
+        this.inputOverrideHandler = new InputOverrideHandler();
+        this.settings = new Settings();
+        this.behaviors = new ArrayList<>();
+        {
+            registerBehavior(PathingBehavior.INSTANCE);
+            registerBehavior(LookBehavior.INSTANCE);
+            registerBehavior(MemoryBehavior.INSTANCE);
+        }
+
+        this.active = true;
+        this.initialized = true;
+    }
+
+    public final boolean isInitialized() {
+        return this.initialized;
+    }
+
+    public final GameEventHandler getGameEventHandler() {
+        return this.gameEventHandler;
+    }
+
+    public final InputOverrideHandler getInputOverrideHandler() {
+        return this.inputOverrideHandler;
+    }
+
+    public final List<Behavior> getBehaviors() {
+        return this.behaviors;
+    }
+
+    public void registerBehavior(Behavior behavior) {
+        this.behaviors.add(behavior);
+        this.gameEventHandler.registerEventListener(behavior);
+    }
+
+    public final boolean isActive() {
+        return this.active;
+    }
+
+    public final Settings getSettings() {
+        return this.settings;
+    }
+
+    public static Settings settings() {
+        return Baritone.INSTANCE.settings; // yolo
+    }
+}