Added code

Source/BaseVoice.h

@@ -0,0 +1,54 @@
+/*
+  ==============================================================================
+
+    BaseVoice.h
+    Created: 11 Nov 2019 9:38:44pm
+    Author:  除村 武志
+
+  ==============================================================================
+*/
+
+#pragma once
+#include "Voices.h"
+
+struct BaseVoice : public SynthesiserVoice
+{
+    SettingRefs* settingRefs;
+
+    BaseVoice (SettingRefs* sRefs);
+
+    bool canPlaySound (SynthesiserSound* sound) override;
+    void startNote (int midiNoteNumber, float velocity,
+                    SynthesiserSound*, int currentPitchWheelPosition) override;
+    void stopNote (float /*velocity*/, bool allowTailOff) override;
+    void pitchWheelMoved (int) override      {}
+    void controllerMoved (int, int) override {}
+    void renderNextBlock (AudioSampleBuffer& outputBuffer, int startSample, int numSamples) override;
+
+    virtual float voltageForAngle (double angle) = 0;
+    virtual void onFrameAdvanced() {};
+    virtual void advanceControlFrame();
+    virtual void calculateAngleDelta();
+
+protected:
+    // Basic
+    int noteNumber;
+    float ampByVelocityAndGain = 1.0;
+
+    // Oscillator State
+    double currentAngle = 0.0;
+    double angleDelta = 0.0;
+
+    // Envelope
+    double currentEnvelopeLevel = 0.0;
+    EnvelopePhase envelopePhase = kEnvelopePhaseA;
+    double attack_slope = 1.0;
+    double decay_slope = 0.0; // Positive to decrease
+    double sustain_level = 1.0;
+    double release_slope = 1.0; // Positive to decrease
+
+    // For Frame Counting for Customs
+    double controlFrameTimer = 0;
+    const double controlFrameLength = 1.0 / 60.0;
+    int currentVolumeSequenceFrame = 0;
+};