1 files changed, 54 insertions, 1 deletions

diff --git a/engines/zvision/scripting/sidefx/music_node.h b/engines/zvision/scripting/sidefx/music_node.h
index 066b8f80f4..262b13085e 100644
--- a/engines/zvision/scripting/sidefx/music_node.h
+++ b/engines/zvision/scripting/sidefx/music_node.h
@@ -32,7 +32,30 @@ class String;
 }
 
 namespace ZVision {
-class MusicNode : public SideFX {
+
+class MusicNode_BASE : public SideFX {
+public:
+	MusicNode_BASE(ZVision *engine, uint32 key, SideFXType type) : SideFX(engine, key, type) {}
+	~MusicNode_BASE() {}
+
+	/**
+	 * Decrement the timer by the delta time. If the timer is finished, set the status
+	 * in _globalState and let this node be deleted
+	 *
+	 * @param deltaTimeInMillis    The number of milliseconds that have passed since last frame
+	 * @return                     If true, the node can be deleted after process() finishes
+	 */
+	virtual bool process(uint32 deltaTimeInMillis) = 0;
+
+	virtual void setVolume(uint8 volume) = 0;
+
+	virtual void setPanTrack(int16 pos) = 0;
+	virtual void unsetPanTrack() = 0;
+
+	virtual void setFade(int32 time, uint8 target) = 0;
+};
+
+class MusicNode : public MusicNode_BASE {
 public:
 	MusicNode(ZVision *engine, uint32 key, Common::String &file, bool loop, int8 volume);
 	~MusicNode();
@@ -68,6 +91,36 @@ private:
 	Subtitle *_sub;
 };
 
+class MusicMidiNode : public MusicNode_BASE {
+public:
+	MusicMidiNode(ZVision *engine, uint32 key, int8 program, int8 note, int8 volume);
+	~MusicMidiNode();
+
+	/**
+	 * Decrement the timer by the delta time. If the timer is finished, set the status
+	 * in _globalState and let this node be deleted
+	 *
+	 * @param deltaTimeInMillis    The number of milliseconds that have passed since last frame
+	 * @return                     If true, the node can be deleted after process() finishes
+	 */
+	bool process(uint32 deltaTimeInMillis);
+
+	void setVolume(uint8 volume);
+
+	void setPanTrack(int16 pos);
+	void unsetPanTrack();
+
+	void setFade(int32 time, uint8 target);
+
+private:
+	int8 _chan;
+	int8 _noteNumber;
+	int8 _velocity;
+	int8 _pan;
+	int8 _volume;
+	int8 _prog;
+};
+
 class PanTrackNode : public SideFX {
 public:
 	PanTrackNode(ZVision *engine, uint32 key, uint32 slot, int16 pos);