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+#ifndef CHORDNOTE_H
+#define CHORDNOTE_H
+
+// Chords are used to represent a set of notes that are played together.
+// For this guitar hero implementation, a single note is technically a chord.
+// This analogy is used to make sure that simultaneous notes are always grouped
+// under a single chord since they have information in common (start/end time).
+
+// Fret Definitions {{{
+#define FRET1 0 // green
+#define FRET2 1 // red
+#define FRET3 2 // yellow
+#define FRET4 3 // blue
+#define FRET5 4 // orange
+// }}}
+
+class ChordNote {
+  private:
+    int start;  // Time in Nanoseconds
+    int end;    // 0 if not set
+    bool notes[5];    // Which notes are in the chord
+    int  renderStart; // Time in Nanoseconds
+    // Chords are initialized with a single button.
+    // Other notes are added as notes with the same "start" are encountered
+    // in .chart files.
+    // End time is initialized to 0 but can be changed if the .chart file
+    // indicates otherwise.
+  public:
+    // Constructors, Destructors & Operators:
+    ChordNote(bool noteStates[5], int start, int end=0); // All known notes
+    ChordNote(int note, int start, int end=0);           // For chartiles
+    ChordNote(const ChordNote& chord);                   // Copy constructor
+    ChordNote& operator=(const ChordNote& other);        // Assignment operator
+    ~ChordNote();                                        // Destructor
+    // Getters:
+    bool* getNotes();             // All notes in the chord
+    int   getStart();             // Start time of the chord
+    int   getEnd();               // End time of the chord
+    int   getRenderStart();       // Start time for rendering
+    // Setters:
+    void setRenderStart(int renderTime); // When it needs to start rendering
+    // Modifiers:
+    bool  toggle(int note);       // Add/remove a note in a chord
+    void  merge(ChordNote chord); // Merge two chords (OR on every note)
+    // Misc:
+    bool  has(int note);          // check if a note is in the chord
+    void  print();                // For debugging
+    void  trim();                 // Trim all timings to milliseconds
+};
+
+//#include "chordNote.cpp"
+#endif // CHORDNOTE_H
+// vim: syntax=cpp.doxygen