Initial Behavior system commit.

Still needs some work, just getting this in the repo!

build.gradle

@@ -48,6 +48,7 @@ repositories {
 }
 
 dependencies {
+    implementation 'org.reflections:reflections:0.9.11'
     implementation ('org.spongepowered:mixin:0.7.8-SNAPSHOT') {
         // Mixin includes a lot of dependencies that are too up-to-date
         exclude module: 'launchwrapper'

src/main/java/baritone/bot/Baritone.java

@@ -1,5 +1,10 @@
 package baritone.bot;
 
+import baritone.bot.behavior.Behavior;
+import org.reflections.Reflections;
+
+import java.util.List;
+
 /**
  * @author Brady
  * @since 7/31/2018 10:50 PM
@@ -21,6 +26,7 @@ public enum Baritone {
     private GameActionHandler actionHandler;
     private GameEventHandler gameEventHandler;
     private InputOverrideHandler inputOverrideHandler;
+    private List<Behavior> behaviors;
 
     /**
      * Whether or not Baritone is active
@@ -36,6 +42,14 @@ public enum Baritone {
 
         this.active = true;
         this.initialized = true;
+
+        new Reflections("baritone.bot.behavior.impl").getSubTypesOf(Behavior.class).forEach(c -> {
+            try {
+                behaviors.add(c.newInstance());
+            } catch (InstantiationException | IllegalAccessException e) {
+                e.printStackTrace();
+            }
+        });
     }
 
     public final boolean isInitialized() {
@@ -62,6 +76,10 @@ public enum Baritone {
         return this.inputOverrideHandler;
     }
 
+    public final List<Behavior> getBehaviors() {
+        return this.behaviors;
+    }
+
     public final boolean isActive() {
         return this.active;
     }

src/main/java/baritone/bot/GameEventHandler.java

@@ -1,10 +1,13 @@
 package baritone.bot;
 
+import baritone.bot.behavior.Behavior;
 import baritone.bot.event.IGameEventListener;
 import baritone.bot.event.events.ChatEvent;
 import net.minecraft.client.settings.KeyBinding;
 import org.lwjgl.input.Keyboard;
 
+import java.util.function.Consumer;
+
 /**
  * @author Brady
  * @since 7/31/2018 11:04 PM
@@ -14,7 +17,9 @@ public final class GameEventHandler implements IGameEventListener {
     GameEventHandler() {}
 
     @Override
-    public final void onTick() {}
+    public final void onTick() {
+        dispatchEventToBehaviors(behavior -> onTick());
+    }
 
     @Override
     public void onProcessKeyBinds() {
@@ -31,8 +36,16 @@ public final class GameEventHandler implements IGameEventListener {
                     KeyBinding.onTick(keyCode < 0 ? keyCode + 100 : keyCode);
             }
         }
+
+        dispatchEventToBehaviors(behavior -> onProcessKeyBinds());
     }
 
     @Override
-    public void onSendChatMessage(ChatEvent event) {}
+    public void onSendChatMessage(ChatEvent event) {
+        dispatchEventToBehaviors(behavior -> onSendChatMessage(event));
+    }
+
+    private void dispatchEventToBehaviors(Consumer<Behavior> dispatchFunction) {
+        Baritone.INSTANCE.getBehaviors().stream().filter(Behavior::isEnabled).forEach(dispatchFunction);
+    }
 }

src/main/java/baritone/bot/behavior/Behavior.java

@@ -0,0 +1,78 @@
+package baritone.bot.behavior;
+
+import baritone.bot.event.AbstractGameEventListener;
+import baritone.bot.utils.Helper;
+
+/**
+ * A generic bot behavior.
+ *
+ * @author Brady
+ * @since 8/1/2018 6:29 PM
+ */
+public class Behavior implements AbstractGameEventListener, Helper {
+
+    /**
+     * Whether or not this behavior is enabled
+     */
+    private boolean enabled;
+
+    /**
+     * Toggles the enabled state of this {@link Behavior}.
+     *
+     * @return The new state.
+     */
+    public final boolean toggle() {
+        return this.setEnabled(!this.enabled);
+    }
+
+    /**
+     * Sets the enabled state of this {@link Behavior}.
+     *
+     * @return The new state.
+     */
+    public final boolean setEnabled(boolean enabled) {
+        boolean newState = getNewState(this.enabled, enabled);
+        if (newState == this.enabled)
+            return this.enabled;
+
+        if (this.enabled = newState) {
+            onStart();
+        } else {
+            onCancel();
+        }
+
+        return this.enabled;
+    }
+
+    /**
+     * Function to determine what the new enabled state of this
+     * {@link Behavior} should be given the old state, and the
+     * proposed state. Intended to be overriden by behaviors
+     * that should always be active, given that the bot itself is
+     * active.
+     *
+     * @param oldState The old state
+     * @param proposedState The proposed state
+     * @return The new  state
+     */
+    public boolean getNewState(boolean oldState, boolean proposedState) {
+        return proposedState;
+    }
+
+    /**
+     * @return Whether or not this {@link Behavior} is active.
+     */
+    public final boolean isEnabled() {
+        return this.enabled;
+    }
+
+    /**
+     * Called when the state changes from disabled to enabled
+     */
+    public void onStart() {}
+
+    /**
+     * Called when the state changes from enabled to disabled
+     */
+    public void onCancel() {}
+}

src/main/java/baritone/bot/behavior/PathFinding.java

@@ -0,0 +1,8 @@
+package baritone.bot.behavior;
+
+/**
+ * @author Brady
+ * @since 8/1/2018 5:38 PM
+ */
+public class PathFinding {
+}