Add NotePlayEvent. Fixes BUKKIT-1779

By: obnoxint <mail@obnoxint.net>

paper-api/src/main/java/org/bukkit/event/block/NotePlayEvent.java

@@ -0,0 +1,82 @@
+package org.bukkit.event.block;
+
+import org.bukkit.Instrument;
+import org.bukkit.Note;
+import org.bukkit.block.Block;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.HandlerList;
+
+/**
+ * Called when a note block is being played through player interaction or a redstone current.
+ */
+public class NotePlayEvent extends BlockEvent implements Cancellable {
+
+    private static HandlerList handlers = new HandlerList();
+    private Instrument instrument;
+    private Note note;
+    private boolean cancelled = false;
+
+    public NotePlayEvent(Block block, Instrument instrument, Note note) {
+        super(block);
+        this.instrument = instrument;
+        this.note = note;
+    }
+
+    public boolean isCancelled() {
+        return cancelled;
+    }
+
+    public void setCancelled(boolean cancel) {
+        this.cancelled = cancel;
+    }
+
+    /**
+     * Gets the {@link Instrument} to be used.
+     *
+     * @return the Instrument;
+     */
+    public Instrument getInstrument() {
+        return instrument;
+    }
+
+    /**
+     * Gets the {@link Note} to be played.
+     *
+     * @return the Note.
+     */
+    public Note getNote() {
+        return note;
+    }
+
+    /**
+     * Overrides the {@link Instrument} to be used.
+     *
+     * @param instrument the Instrument. Has no effect if null.
+     */
+    public void setInstrument(Instrument instrument) {
+        if (instrument != null) {
+            this.instrument = instrument;
+        }
+
+    }
+
+    /**
+     * Overrides the {@link Note} to be played.
+     *
+     * @param note the Note. Has no effect if null.
+     */
+    public void setNote(Note note) {
+        if (note != null) {
+            this.note = note;
+        }
+    }
+
+    @Override
+    public HandlerList getHandlers() {
+        return handlers;
+    }
+
+    public static HandlerList getHandlerList() {
+        return handlers;
+    }
+}