/*-----------------------------------------------------------------------------

© 1999, Steinberg Soft und Hardware GmbH, All Rights Reserved

-----------------------------------------------------------------------------*/

#include "audioeffectx.h"
#include <string.h>
enum
{
	kTriangle,
	kSawtooth,
	kWavetable,
	kSquare
};

enum
{
	kDelay,
	kFeedBack,
	kOut,
	kLFOFreq,
	kLFODepth,

	kNumParams
};

class ADelay;

class ADelayProgram
{
friend class ADelay;
public:
	ADelayProgram();
	~ADelayProgram() {}
private:	
	float fDelay, fFeedBack, fOut, fLFOFreq, fLFODepth;
	char name[24];
};

class ADelay : public AudioEffectX
{
public:
	ADelay(audioMasterCallback audioMaster);
	~ADelay();

	virtual void process(float **inputs, float **outputs, long sampleframes);
	virtual void processReplacing(float **inputs, float **outputs, long sampleFrames);
	virtual void setProgram(long program);
	virtual void setProgramName(char *name);
	virtual void getProgramName(char *name);
	virtual void setParameter(long index, float value);
	virtual float getParameter(long index);
	virtual void getParameterLabel(long index, char *label);
	virtual void getParameterDisplay(long index, char *text);
	virtual void getParameterName(long index, char *text);
	virtual float getVu();
	virtual void suspend();

private:
	void calcLFOSamp();
	void processCombined(float **inputs, float **outputs, long sampleframes, bool replacing);
	ADelayProgram *programs;
	float *buffer;
	float fDelay, fFeedBack, fOut;
	float vu;
	float delay, realDelay;
	long size;
	long writeOffset, readOffset;
	float Pi;
	// variables relating to the lfo
	float lfoInc, lfoSamp, fLFOFreq, fLFODepth;
	long waveform;
	// variables relating to the wavetable
	float lfoPhase;
	float *table;
	long tableSize;
};