3 files changed, 33 insertions, 4 deletions

diff --git a/src/BlockEntities/DropSpenserEntity.h b/src/BlockEntities/DropSpenserEntity.h
index 9f58d0b07..be56447aa 100644
--- a/src/BlockEntities/DropSpenserEntity.h
+++ b/src/BlockEntities/DropSpenserEntity.h
@@ -11,7 +11,7 @@
 #pragma once
 
 #include "BlockEntityWithItems.h"
-
+#include "RedstonePoweredEntity.h"
 
 
 
@@ -31,6 +31,9 @@ class cServer;
 // tolua_begin
 class cDropSpenserEntity :
 	public cBlockEntityWithItems
+	// tolua_end
+	, public cRedstonePoweredEntity
+	// tolua_begin
 {
 	typedef cBlockEntityWithItems super;
 
@@ -64,10 +67,10 @@ public:
 	/// Sets the dropspenser to dropspense an item in the next tick
 	void Activate(void);
 	
-	/// Sets the internal redstone power flag to "on" or "off", depending on the parameter. Calls Activate() if appropriate
-	void SetRedstonePower(bool a_IsPowered);
-	
 	// tolua_end
+	
+	/// Sets the internal redstone power flag to "on" or "off", depending on the parameter. Calls Activate() if appropriate
+	virtual void SetRedstonePower(bool a_IsPowered) override;
 
 protected:
 	bool m_ShouldDropSpense;  ///< If true, the dropspenser will dropspense an item in the next tick
diff --git a/src/BlockEntities/NoteEntity.h b/src/BlockEntities/NoteEntity.h
index e8497da3e..f538de060 100644
--- a/src/BlockEntities/NoteEntity.h
+++ b/src/BlockEntities/NoteEntity.h
@@ -2,6 +2,7 @@
 #pragma once
 
 #include "BlockEntity.h"
+#include "RedstonePoweredEntity.h"
 
 
 namespace Json
@@ -30,6 +31,9 @@ enum ENUM_NOTE_INSTRUMENTS
 
 class cNoteEntity :
 	public cBlockEntity
+	// tolua_end
+	, public cRedstonePoweredEntity
+	// tolua_begin
 {
 	typedef cBlockEntity super;
 public:
@@ -38,6 +42,7 @@ public:
 
 	/// Creates a new note entity. a_World may be NULL
 	cNoteEntity(int a_X, int a_Y, int a_Z, cWorld * a_World);
+	virtual ~cNoteEntity() {}
 
 	bool LoadFromJson(const Json::Value & a_Value);
 	virtual void SaveToJson(Json::Value & a_Value) override;
@@ -53,6 +58,14 @@ public:
 	
 	virtual void UsedBy(cPlayer * a_Player) override;
 	virtual void SendTo(cClientHandle &) override {}
+	
+	virtual void SetRedstonePower(bool a_Value)
+	{
+		if (a_Value)
+		{
+			MakeSound();
+		}
+	}
 
 	static const char * GetClassStatic(void) { return "cNoteEntity"; }
 
diff --git a/src/BlockEntities/RedstonePoweredEntity.h b/src/BlockEntities/RedstonePoweredEntity.h
new file mode 100644
index 000000000..f11df4fc4
--- /dev/null
+++ b/src/BlockEntities/RedstonePoweredEntity.h
@@ -0,0 +1,13 @@
+
+#pragma once
+
+// Interface class representing a blockEntity that responds to redstone
+class cRedstonePoweredEntity
+{
+public:
+
+	virtual ~cRedstonePoweredEntity() {};
+
+	/// Sets the internal redstone power flag to "on" or "off", depending on the parameter. Calls Activate() if appropriate
+	virtual void SetRedstonePower(bool a_IsPowered) = 0;
+};