/*
 ECHO:
	DELAY - Length of echo (ms)
	VOLUME - Initial volume of echo (0-100)
	DECAY - Rate of decay or ratio of echo (0-100)
*/
#define ECHO(DELAY,VOLUME,DECAY) \
	expand { \
		add DECAY/10*DELAY \
	} \
	echo { \
		leftlength DELAY \
		rightlength DELAY \
		leftdecay  DECAY/100 \
		rightdecay DECAY/100 \
		leftvolume VOLUME/100 \
		rightvolume VOLUME/100 \
	} 	


/* 
 REVERB:
	LENGTH - total length of reverberation (ms)
	ATTACK - time it takes for the reverb to gain full strength (ms)
	ECHOES - max amount of impulses in reverb (0-100)
	MIX - ratio of dry and wet signal (0-100)
*/
#define REVERB(LENGTH,ATTACK,ECHOES,MIX) \
	expand { \
		add LENGTH\
	}\
	reverb { \
		length LENGTH \
		attack ATTACK \
		echoes ECHOES \
		amount MIX/100 \
		original 100-MIX/100 \
	}

/*
DISTORTION:
	AMOUNT - amount of distortion (0-99)
*/
#define DISTORTION(AMOUNT) \
	normalize {}\
	overdrive { \
		threshold 100-AMOUNT/100 \
		level 100-AMOUNT/100 \
	}

/*	
FILTER:
	CUTOFF - cutoff frequency (Hz)
	RESONANCE - filter resonance (0-100)
	TYPE - filter type (low, high, band, or notch) 
*/
#define FILTER(CUTOFF,RESONANCE,TYPE) \
	filter { \
		cutoff CUTOFF\
		resonance 100-RESONANCE/100*1.3+.1\
		TYPE \
	}


/*	
PHASER:
	CUTOFF - cutoff frequency (Hz)
	RESONANCE - filter resonance (0-100)
	DEPTH - depth of phaser (0-100)
	SPEED - length of one cycle (ms)
*/
#define PHASER(CUTOFF,RESONANCE,DEPTH,SPEED) \
	phaser { \
		cutoff CUTOFF\
		resonance 100-RESONANCE/100*1.3+.1\
		low \
		depth DEPTH/100*3+1 \
		speed SPEED \
	}

/*
LOAD:
	FILENAME - name of wavefile to load
*/
#define LOAD(FILENAME) loadwave{ name FILENAME }