Implement pull request #982

LookAtLocation and AutoLook

Author: ORelio

MinecraftClient/ChatBot.cs

@@ -168,8 +168,17 @@ public virtual void OnEntitySpawn(Mapping.Entity entity) { }
         /// <param name="entity">Entity wich has just disappeared</param>
         public virtual void OnEntityDespawn(Mapping.Entity entity) { }
 
+        /// <summary>
+        /// Called when the player held item has changed
+        /// </summary>
+        /// <param name="slot">New slot ID</param>
         public virtual void OnHeldItemChange(byte slot) { }
 
+        /// <summary>
+        /// Called when the player health has been updated
+        /// </summary>
+        /// <param name="health">New player health</param>
+        /// <param name="food">New food level</param>
         public virtual void OnHealthUpdate(float health, int food) { }
 
         /* =================================================================== */
@@ -685,6 +694,15 @@ protected bool MoveToLocation(Mapping.Location location, bool allowUnsafe = fals
             return Handler.MoveTo(location, allowUnsafe);
         }
 
+        /// <summary>
+        /// Look at the specified location
+        /// </summary>
+        /// <param name="location">Location to look at</param>
+        protected void LookAtLocation(Mapping.Location location)
+        {
+            Handler.UpdateLocation(Handler.GetCurrentLocation(), location);
+        }
+
         /// <summary>
         /// Get a Y-M-D h:m:s timestamp representing the current system date and time
         /// </summary>

MinecraftClient/config/ChatBots/AutoLook.cs

@@ -0,0 +1,64 @@
+//MCCScript 1.0
+
+MCC.LoadBot(new AutoLook());
+
+//MCCScript Extensions
+
+public class AutoLook : ChatBot
+{
+    private Entity _entityToLookAt;
+    public override void Initialize()
+    {
+        if (GetEntityHandlingEnabled() && GetTerrainEnabled()) return;
+        LogToConsole("Entity Handling or Terrain Handling is not enabled in the config file!");
+        LogToConsole("This bot will be unloaded.");
+        UnloadBot();
+    }
+    
+    public override void OnEntityDespawn(Entity entity)
+    {
+        if (entity == _entityToLookAt)
+        {
+            _entityToLookAt = null;
+        }
+    }
+    public override void OnEntitySpawn(Entity entity)
+    {
+        HandleEntity(entity);
+    }
+    public override void OnEntityMove(Entity entity)
+    {
+        var tempBool = HandleEntity(entity);
+        //LogDebugToConsole(tempBool);
+        if (!tempBool) return;
+        LookAtLocation(entity.Location);
+    }
+    
+    /// <summary>
+    /// Handles an entity, and tracks it if it is closer then the one we are currently tracking
+    /// </summary>
+    /// <returns>True if found</returns>
+    private bool HandleEntity(Entity entity)
+    {
+        if (entity.Type != EntityType.Player)
+        {
+            return false;
+        }
+        if (_entityToLookAt == null)
+        {
+            _entityToLookAt = entity;
+            return true;
+        }
+        if (GetCurrentLocation().Distance(entity.Location) < GetCurrentLocation().Distance(_entityToLookAt.Location))
+        {
+            _entityToLookAt = entity;
+            return true;
+        }
+
+        if (entity.ID != _entityToLookAt.ID) return false;
+        _entityToLookAt = entity; //Handle looking at the same entity
+        return true;
+
+    }
+
+}