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/*
* Komposter
*
* Copyright (c) 2010 Noora Halme et al. (see AUTHORS)
*
* This code is licensed under the GNU General Public
* License version 2. See LICENSE for full text.
*
* Implementations for the synthesizer modules
*
*/
#ifndef __MODULES_H__
#define __MODULES_H__
#include "constants.h"
// visual settings
#define MODULE_SIZE 60.0f
#define MODULE_HALF (MODULE_SIZE/2)
#define MODULE_QUARTER (MODULE_SIZE/4)+0.5
#define MODULE_FONT GLUT_BITMAP_HELVETICA_10
#define FONTHEIGHT 13
#define KNOB_RADIUS 10.0f
#define NODE_RADIUS 3.0f
#define OUTPUT_OFFSET -12.0f
// template macro for module update functions
#define MODULE_FUNC(X) float modfunc_ ##X (unsigned char v, float *mod, void *data, float *ms)
// module types defined
#define MODTYPES 19
// knob scales
#define KNOBSCALES 9
// waveforms and filter types
#define VCO_WAVEFORMS 4
#define LFO_WAVEFORMS 4
#define VCF_MODES 4
#define DELAY_MODES 2
#define SLEW_MODES 2
// defines for module type numbers
#define MOD_CV 0
#define MOD_ADSR 1
#define MOD_WAVEFORM 2
#define MOD_LFO 3
#define MOD_KNOB 4
#define MOD_AMPLIFIER 5
#define MOD_MIXER 6
#define MOD_FILTER 7
#define MOD_LPF24 8
#define MOD_DELAY 9
#define MOD_ATTENUATOR 10
#define MOD_RESAMPLE 11
#define MOD_SUPERSAW 12
#define MOD_DISTORT 13
#define MOD_ACCENT 14
#define MOD_OUTPUT 15
#define MOD_BITCRUSH 16
#define MOD_SLEW 17
#define MOD_MODULATOR 18
// oscillator waveform type defines
#define VCO_PULSE 0
#define VCO_SAW 1
#define VCO_TRIANGLE 2
#define VCO_SINE 3
// vcf filtering modes
#define VCF_OFF 0
#define VCF_LOWPASS 1
#define VCF_HIGHPASS 2
#define VCF_BANDPASS 3
// lfo waveforms
#define LFO_SQUARE 0
#define LFO_SAW 1
#define LFO_TRIANGLE 2
#define LFO_SINE 3
// delay types
#define DELAY_COMB 0
#define DELAY_ALLPASS 1
// knob scale types
#define SCALE_RAW 0
#define SCALE_FREQUENCY_HZ 1
#define SCALE_FREQUENCY_TEMPO 2
#define SCALE_DURATION 3
#define SCALE_DURATION_TEMPO 4
#define SCALE_RAMP 5
#define SCALE_MIDI_NOTE 6
#define SCALE_NOTE_INTERVAL 7
#define SCALE_PERCENTAGE 8
#define SCALE_SIGNAL_AUDIO 9 // (-1, 1) domain
#define SCALE_SIGNAL_CONTROL 10 // ( 0, 1) domain
// names for the knob scale types
#ifndef _MODULES_C_
extern const char *knobScaleNames[KNOBSCALES];
extern const char *knobScaleUnits[KNOBSCALES];
extern const char *modTypeNames[MODTYPES];
extern const char *modTypeDescriptions[MODTYPES];
extern const int modDataBufferLength[MODTYPES];
extern const int modInputCount[MODTYPES];
extern const char* modInputNames[MODTYPES][4];
extern const int modInputScale[MODTYPES][4];
extern const int modOutputScale[MODTYPES];
extern const char* modModulatorNames[MODTYPES];
extern const int modModulatorTypes[MODTYPES];
extern const char* modVcoWaveforms[VCO_WAVEFORMS];
extern const char* modLfoWaveforms[LFO_WAVEFORMS];
extern const char* modVcfModes[VCF_MODES];
extern const char* modDelayModes[DELAY_MODES];
extern const char* modSlewModes[SLEW_MODES];
extern const float node_xoffset[5][4];
extern const float node_yoffset[5][4];
extern const float node_labelpos[5][4];
extern const int node_outputCount[5];
extern const int node_outputList[5][4];
extern const int node_outputxoffset[4];
extern const int node_outputyoffset[4];
#endif
// module data struct
typedef struct {
int type;
char label[64];
int input[4]; // input sources
float x, y; // pos on screen
int active; // module is active?
int outactive; // output node active?
int inpactive; // input node active?
int tag; // for tagging visited modules when stacking them
int fifopos; // stack position in the signal fifo
int outputpos; // position of the output node
unsigned int scale; // knob scale
unsigned char color; // signal hue; 0=inherit from upstream, 1-254=set color, 255=remove color
unsigned char effective_color; // effective color, equals color if if nonzero, otherwise inherited
unsigned char reserved[6];
// int reserved[2]; // reserved for future use
} synthmodule;
// module function call table
extern float (*mod_functable[MODTYPES])(unsigned char, float*, void*, float*);
// supersaw init function - called from main
void calc_supersaw_tables();
#endif
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