wip: synth api && adder

inc/Adder.h

@@ -0,0 +1,21 @@
+#pragma once
+#include <vector>
+#include "Oscillator.h"
+
+class Adder
+{
+private:
+    /* data */
+public:
+    Adder(/* args */);
+    ~Adder();
+    std::vector<float> & SumOscillators(const std::vector<Oscillator*> & oscillators, float duration);
+};
+
+Adder::Adder(/* args */)
+{
+}
+
+Adder::~Adder()
+{
+}

inc/Note.h

@@ -5,4 +5,4 @@
 struct Note {
     std::string& name;
     int length;
-}
+};

inc/Synth.h

@@ -3,26 +3,29 @@
 #include <vector>
 #include "Oscillator.h"
 #include "Note.h"
-
+#include "Adder.h"
+#include "Settings.h"
+ 
 class Synth
 {
 private:
-    std::vector<Oscillator&> m_oscillators;
+    std::vector<Oscillator*> m_oscillators;
+    Adder m_adder;
     //OscillatorUI* ui_oscillators;
     Note m_current_note;
     std::vector<float> m_out_signal;
-    std::vector<float> & sum_oscillators(float duration);
-    std::vector<float> & note(int semitone, float beats);
+    std::vector<float> & get_note(int semitone, float beats);
     
 public:
     Synth(/* args */);
     ~Synth();
-    std::vector<float> & GetNoteSound(Note input)
+    void ProduceNoteSound(Note input);
+    const std::vector<float> & GetOutSignal() { return m_out_signal; }
 };
 
 Synth::Synth(/* args */)
 {
-    m_oscillators.push_back(new Oscillator(OscillatorType.Sine, 440.f, VOLUME));
+    m_oscillators.push_back(new Oscillator(OscillatorType::Sine, 440.f, VOLUME));
 }
 
 Synth::~Synth()