import

Player/arm7/source/Instrument.h

@@ -0,0 +1,60 @@
+#ifndef _INSTRUMENT_H_
+#define _INSTRUMENT_H_
+
+#include "Envelope.h"
+#include "InstrumentParameters.h"
+
+enum { 
+	VOLUME,
+	PANNING,
+	DETUNE,
+	ENVELOPE_ATTACK,
+	ENVELOPE_DECAY,
+	ENVELOPE_SUSTAIN,
+	ENVELOPE_RELEASE,
+	DUTY,
+	PORTAMENTO_LENGTH,
+	ARPEGGIO,
+	SWEEP_LENGTH,
+	SWEEP_OFFSET,
+	MODULATION_AMPLITUDE,
+	MODULATION_FREQUENCY,
+	TREMOLO_AMPLITUDE,
+	TREMOLO_FREQUENCY,
+	LAST,
+	NOTEON = 29,	// for export
+	NOTEOFF = 30,	// for export
+	END = 31		// for export
+};
+
+struct sInstrument {
+	InstrumentParameters * pParameters;
+
+	int iChannel;
+	Envelope oEnvelope;
+
+	float fTime;
+	int iLastFrequency;
+
+	unsigned int pFrequencies[8];
+	unsigned int iNbFrequencies;
+	unsigned int iFrequency;
+	unsigned int iArpeggioTimer;
+	int iEffectTimer;
+	int iSweepFrequency;
+	int iModulationAmplitude;
+	int iPortamentoFrequency;
+};
+
+typedef struct sInstrument Instrument;
+
+void Instrument_Init(Instrument * pInstrument, int iChannel, InstrumentParameters * pParameters);
+
+void Instrument_Compute(Instrument * pInstrument);
+
+void Instrument_NoteOn(Instrument * pInstrument, int iNote, int iVelocity);
+void Instrument_NoteOff(Instrument * pInstrument);
+
+void Instrument_SetParameters(Instrument * pInstrument, InstrumentParameters * p);
+
+#endif // _INSTRUMENT_H_