Fire NotePlayEvent. Fixes BUKKIT-1779

src/main/java/net/minecraft/server/TileEntityNote.java

@@ -1,5 +1,7 @@
 package net.minecraft.server;
 
+import org.bukkit.craftbukkit.event.CraftEventFactory; // CraftBukkit
+
 public class TileEntityNote extends TileEntity {
 
     public byte note = 0;
@@ -50,7 +52,12 @@ public class TileEntityNote extends TileEntity {
                 b0 = 4;
             }
 
-            world.playNote(i, j, k, b0, this.note);
+            // CraftBukkit start
+            org.bukkit.event.block.NotePlayEvent event = CraftEventFactory.callNotePlayEvent(this.world, i, j, k, b0, this.note);
+            if (!event.isCancelled()) {
+                this.world.playNote(i, j, k, event.getInstrument().getType(), event.getNote().getId());
+            }
+            // CraftBukkit end
         }
     }
 }

src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java

@@ -520,4 +520,10 @@ public class CraftEventFactory {
         world.getServer().getPluginManager().callEvent(event);
         return event;
     }
+
+    public static NotePlayEvent callNotePlayEvent(World world, int x, int y, int z, byte instrument, byte note) {
+        NotePlayEvent event = new NotePlayEvent(world.getWorld().getBlockAt(x, y, z), org.bukkit.Instrument.getByType(instrument), new org.bukkit.Note(note));
+        world.getServer().getPluginManager().callEvent(event);
+        return event;
+    }
 }