bugfix: loading more than 4 wavetables

src/main.cpp

@@ -15,6 +15,9 @@ int main(int argc, char *argv[]) {
     MainWindow window; // entry point goes to MainWindow::MainWindow()
     window.show();
 
+    // TODO: logging
+    // i made a good debug filtering setup in ouros so could probably improt that into this project
+    
     int status = app.exec(); // app execution; blocks until window close
 
     return status;

src/synth/ScopeBuffer.cpp

@@ -11,13 +11,9 @@ void ScopeBuffer::push(float sample) {
     buffer_[w % buffer_.size()] = sample;
 }
 
-// TODO: needs a mutex/spinlock to prevent flickering
 // outputs value from the scope buffer, called by the scope widget
 void ScopeBuffer::read(std::vector<float>& out) const {
 
-    // yeah this didn't work, maybe it needs to be atomic or something
-    //while(!spinLock_) { int x = 1 + 1; }
-
     size_t w = writeIndex_.load(std::memory_order_relaxed);
     for (size_t i = 0; i < out.size(); i++) {
         size_t idx = (w + trigger_ + i * wavelength_ / out.size()) % buffer_.size();

src/synth/WavetableController.cpp

@@ -6,12 +6,10 @@
 #include <fstream>
 
 WavetableController::WavetableController() {
+    
     // load from files  
-
     init();
 
-    //std::cout << "wavetable init" << std::endl;
-
 }
 
 void WavetableController::init() {
@@ -23,11 +21,11 @@ void WavetableController::init() {
             wavetableFiles.push_back(entry.path());
         }
     }
-    uint32_t wavetableCount = wavetableFiles.size();
+    wavetableCount_ = wavetableFiles.size();
-    wavetables_.resize(wavetableCount);
+    wavetables_.resize(wavetableCount_);
 
     // load the wavetable files
-    for(int i = 0; i < wavetableCount; i++) {
+    for(int i = 0; i < wavetableCount_; i++) {
         std::cout << "loading wavetable file [" << i << "]: " << wavetableFiles[i] << std::endl;
         std::ifstream inputFile(wavetableFiles[i], std::ios::in | std::ios::binary);
         if(!inputFile) std::cout << "error opening file" << std::endl;
@@ -56,8 +54,8 @@ float WavetableController::sample(uint8_t wavetableIndex, float phase) {
     uint32_t index = static_cast<uint32_t>(round(scaledPhase));
     if(index >= SYNTH_WAVETABLE_SIZE) index = SYNTH_WAVETABLE_SIZE - 1;
 
-    if(wavetableIndex >= 4) {
+    if(wavetableIndex >= wavetableCount_) {
-        wavetableIndex = 3;
+        wavetableIndex = wavetableCount_ - 1;
     } else if(wavetableIndex < 0) {
         wavetableIndex = 0;
     }

src/synth/WavetableController.h

@@ -30,6 +30,7 @@ public:
 private:
 
     std::vector<Wavetable> wavetables_;
+    uint32_t wavetableCount_;
 
     const std::filesystem::path wavetablesRoot_ = "./config/wavetables";