From ec4a6b26d56e6e282160ae7b99c6e0b9dc1ec3b8 Mon Sep 17 00:00:00 2001
From: Steve Lascos <steve@blackaddr.com>
Date: Wed, 18 Apr 2018 20:14:22 -0400
Subject: [PATCH] WIP - Further development work checking

---
 src/LibBasicFunctions.h            | 27 ++++++++--
 src/common/ParameterAutomation.cpp | 87 ++++++++++++++++++++++++++++++
 2 files changed, 111 insertions(+), 3 deletions(-)

diff --git a/src/LibBasicFunctions.h b/src/LibBasicFunctions.h
index 26e9c64..0afa625 100644
--- a/src/LibBasicFunctions.h
+++ b/src/LibBasicFunctions.h
@@ -316,16 +316,17 @@ class ParameterAutomation
 {
 public:
     enum class Function : unsigned {
-        LINEAR = 0,  ///< f(x) = x
+        NOT_CONFIGURED = 0, ///< Initial, unconfigured stage
+        LINEAR,       ///< f(x) = x
         EXPONENTIAL,  ///< f(x) = e^x
         LOGARITHMIC,  ///< f(x) = ln(x)
         PARABOLIC,    ///< f(x) = x^2
         LOOKUP_TABLE  ///< f(x) = lut(x)
     };
-    ParameterAutomation() = delete;
+    ParameterAutomation();
     ParameterAutomation(T startValue, T endValue, size_t durationSamples,     Function function = Function::LINEAR);
     ParameterAutomation(T startValue, T endValue, float durationMilliseconds, Function function = Function::LINEAR);
-    ~ParameterAutomation();
+    virtual ~ParameterAutomation();
 
     /// set the start and end values for the automation
     /// @param function select which automation curve (function) to use
@@ -342,6 +343,8 @@ public:
     /// @returns the calculated parameter value of templated type T
     T getNextValue();
 
+    bool isFinished() { return !m_running; }
+
 private:
     Function m_function;
     T m_startValue;
@@ -355,10 +358,28 @@ private:
 
 // TODO: initialize with const number of sequences with null type that automatically skips
 // then register each new sequence.
+constexpr int MAX_PARAMETER_SEQUENCES = 32;
 template <typename T>
 class ParameterAutomationSequence
 {
+public:
+    ParameterAutomationSequence() = delete;
+    ParameterAutomationSequence(int numStages);
+    virtual ~ParameterAutomationSequence();
+
+    void setupParameter(int index, T startValue, T endValue, size_t durationSamples,     typename ParameterAutomation<T>::Function function);
+    void setupParameter(int index, T startValue, T endValue, float durationMilliseconds, typename ParameterAutomation<T>::Function function);
+
+    /// Trigger a the automation sequence until numStages is reached or a Function is ParameterAutomation<T>::Function::NOT_CONFIGURED
+    void trigger();
+
+    T getNextValue();
+    bool isFinished();
 
+private:
+    ParameterAutomation<T> *m_paramArray[MAX_PARAMETER_SEQUENCES];
+    int m_currentIndex = 0;
+    int m_numStages = 0;
 };
 
 } // BALibrary
diff --git a/src/common/ParameterAutomation.cpp b/src/common/ParameterAutomation.cpp
index 9bf8177..0a59647 100644
--- a/src/common/ParameterAutomation.cpp
+++ b/src/common/ParameterAutomation.cpp
@@ -24,7 +24,15 @@ using namespace BAGuitar;
 
 namespace BALibrary {
 
+///////////////////////////////////////////////////////////////////////////////
+// ParameterAutomation
+///////////////////////////////////////////////////////////////////////////////
 constexpr int LINEAR_SLOPE = 0;
+template <class T>
+ParameterAutomation<T>::ParameterAutomation()
+{
+    reconfigure(0.0f, 0.0f, static_cast<size_t>(0), Function::NOT_CONFIGURED);
+}
 
 template <class T>
 ParameterAutomation<T>::ParameterAutomation(T startValue, T endValue, float durationMilliseconds, Function function)
@@ -38,6 +46,12 @@ ParameterAutomation<T>::ParameterAutomation(T startValue, T endValue, size_t dur
     reconfigure(startValue, endValue, durationSamples, function);
 }
 
+template <class T>
+ParameterAutomation<T>::~ParameterAutomation()
+{
+
+}
+
 template <class T>
 void ParameterAutomation<T>::reconfigure(T startValue, T endValue, float durationMilliseconds, Function function)
 {
@@ -52,6 +66,7 @@ void ParameterAutomation<T>::reconfigure(T startValue, T endValue, size_t durati
     m_endValue = endValue;
     m_currentValueX = startValue;
     m_duration = durationSamples;
+    m_running = false;
 
     // Pre-compute any necessary coefficients
     switch(m_function) {
@@ -107,4 +122,76 @@ T ParameterAutomation<T>::getNextValue()
     return m_currentValueX;
 }
 
+// Template instantiation
+//template class MyStack<int, 6>;
+template class ParameterAutomation<float>;
+
+///////////////////////////////////////////////////////////////////////////////
+// ParameterAutomationSequence
+///////////////////////////////////////////////////////////////////////////////
+template <class T>
+ParameterAutomationSequence<T>::ParameterAutomationSequence(int numStages)
+{
+    //m_paramArray = malloc(sizeof(ParameterAutomation<T>*) * numStages);
+    if (numStages < MAX_PARAMETER_SEQUENCES) {
+        for (int i=0; i<numStages; i++) {
+            m_paramArray[i] = new ParameterAutomation<T>();
+        }
+        for (int i=numStages; i<MAX_PARAMETER_SEQUENCES; i++) {
+            m_paramArray[i] = nullptr;
+        }
+        m_numStages = numStages;
+    }
+}
+
+template <class T>
+ParameterAutomationSequence<T>::~ParameterAutomationSequence()
+{
+    //if (m_paramArray) {
+        for (int i=0; i<m_numStages; i++) {
+            if (m_paramArray[i]) {
+                delete m_paramArray[i];
+            }
+        }
+    //    delete m_paramArray;
+    //}
+}
+
+template <class T>
+void ParameterAutomationSequence<T>::setupParameter(int index, T startValue, T endValue, size_t durationSamples, typename ParameterAutomation<T>::Function function)
+{
+    m_paramArray[index]->reconfigure(startValue, endValue, durationSamples, function);
+}
+
+template <class T>
+void ParameterAutomationSequence<T>::setupParameter(int index, T startValue, T endValue, float durationMilliseconds, typename ParameterAutomation<T>::Function function)
+{
+    m_paramArray[index]->reconfigure(startValue, endValue, durationMilliseconds, function);
+}
+
+template <class T>
+void ParameterAutomationSequence<T>::trigger(void)
+{
+    m_currentIndex = 0;
+    for (int i=0; i<m_numStages; i++) {
+        m_paramArray[i]->trigger();
+    }
+}
+
+template <class T>
+bool ParameterAutomationSequence<T>::isFinished()
+{
+    bool finished = true;
+    for (int i=0; i<m_numStages; i++) {
+        if (!m_paramArray[i]->isFinished()) {
+            finished = false;
+            break;
+        }
+    }
+    return finished;
+}
+
+// Template instantiation
+template class ParameterAutomationSequence<float>;
+
 }