Refactor: rewrite classes and fix construction

src/wave.cpp

@@ -2,18 +2,18 @@
 
 #include "wave.h"
 
+// Initialize index at 0 for wave cycles and wave tables
+uint16_t Wave::m_nid = 0;
+
 void Wave::print_head() {
   for (uint8_t i = 0; i < 10; i++) {
     std::cout << m_table[i] << '\n';
   }
 }
 
-/* Generates basic sine Wave object */
-Wave gen_sin() {
+sample_table_t gen_sin() {
   // Make the new Wavetable object
-  Wave wave = {0};
-  // Make an array to hold our values
-  std::array<float_t, DEFAULT_N_SAMPLES> sin_vals{};
+  sample_table_t sin_vals = {0};
   // Make a place to store calculated value
   float_t val = 0;
 
@@ -23,9 +23,6 @@ Wave gen_sin() {
     val = std::sin((2 * M_PI * i) / DEFAULT_N_SAMPLES);
     sin_vals[i] = val;
   }
-  // Store values in new Wavetable.table
-  wave.setTable(sin_vals);
-
   // Return the completed Wavetable object
-  return wave;
+  return sin_vals;
 }

src/wave.h

@@ -18,14 +18,15 @@ using sample_table_t = std::array<float_t, DEFAULT_N_SAMPLES>;
  */
 class Wave {
 private:
-  uint16_t m_id{}; /*!< Unique ID number of wave */
+  static uint16_t m_nid;    /*!< Unique ID number of NEXT wave */
   sample_table_t m_table;  /*!< Table of sample data */
 
 public:
-  Wave(uint16_t id) : m_id{id}, m_table{} { /* Do nothing */ }
+  const uint16_t m_cid; /*!< Unique ID of current wavetable */
+  Wave() : m_cid(m_nid++) {}
 
   /*! ID getter */
-  uint16_t id() { return m_id; }
+  uint16_t getId() { return m_cid; }
 
   /*! Sample data table setter
       @param table Sample data table
@@ -39,6 +40,6 @@ public:
 /*! Generate sine wave data
     @return a table of values
  */
-Wave gen_sin();
+sample_table_t gen_sin();
 
 #endif // WAVE_H_

src/wavetable.cpp

@@ -1,7 +1,10 @@
 #include "wavetable.h"
 
+// Initialize index at 0 for wave cycles and wave tables
+uint16_t Wavetable::m_nid = 0;
+
 std::string Wavetable::name() {
-  std::string id_str = std::to_string(m_id);
+  std::string id_str = std::to_string(m_cid);
   id_str.append(": ");
   id_str.append(m_name);
   return id_str;

src/wavetable.h

@@ -10,7 +10,8 @@
 
 #include "wave.h"
 
-const uint8_t DEFAULT_N_WAVES = 256;
+/* Number of Wave cycle objects in table */
+const uint16_t DEFAULT_N_WAVES = 256;
 
 using wave_table_t = std::array<Wave, DEFAULT_N_WAVES>;
 
@@ -19,20 +20,26 @@ using wave_table_t = std::array<Wave, DEFAULT_N_WAVES>;
   */
 class Wavetable {
 private:
-  uint16_t m_id{}; /*!< Unique ID number of wavetable */
-  std::string m_name{}; /*!< String name of wavetable */
-  wave_table_t m_table; /*!< Table of Wave objects */
+  static uint16_t m_nid; /*!< Unique ID number of wavetable */
+  std::string m_name; /*!< String name of wavetable */
+  wave_table_t m_wave_table; /*!< Table of Wave objects */
 
 public:
+  const uint16_t m_cid; /*!< Unique ID of NEXT wavetable */
+  Wavetable(std::string name) : m_cid(m_nid++)
+  {
+    m_name = name;
+    /* Initialize table of Waves */
+    wave_table_t wt;
+  }
+
+  /*! ID getter */
+  uint16_t getId() { return m_cid; }
+
   /*! Makes formatted name and id string
       @return a formatted string in the form "id: name"
     */
   std::string name();
-
-  /*! setter for wave table
-      @param table Table of Wave objects
-   */
-  void set_table(wave_table_t table) { m_table = table; }
 };
 
 #endif // WAVETABLE_H_

src/wtpp.cpp

@@ -23,12 +23,21 @@ static void log(std::string message)
 
 int main()
 {
-  // Generate wavetables
-  log("Generating wavetables");
+  // Generate basic wave lookup tables
+  log("Generating wave cycle lookup tables");
 
   // Generate sine wave cycle object
-  Wave sin_wave = gen_sin();
-  log(std::to_string(sin_wave.id()));
+  Wave sin_wave;
+
+  // Calculate sine values
+  sample_table_t sin_vals = gen_sin();
+
+  // Set wave lookup table values
+  sin_wave.setTable(sin_vals);
+
+  // Create Wavetable object
+  Wavetable wt_01{"Basic Sine"};
+  log(wt_01.name());
 
   log("Printing head of sine table");
   sin_wave.print_head();