progress in saving/loading presets/banks

Source/FluidSynthModel.cpp

@@ -39,7 +39,14 @@ void FluidSynthModel::initialise() {
 
     synth = new_fluid_synth(settings);
 
-    loadFont(sharesParams.getSoundFontPath());
+    if (sharesParams.getSoundFontPath().isNotEmpty()) {
+        loadFont(sharesParams.getSoundFontPath());
+        if (sharesParams.getPreset() == -1 || sharesParams.getBank() == -1) {
+            changePreset(sharesParams.getBank(), sharesParams.getPreset());
+        } else {
+            selectFirstPreset();
+        }
+    }
 
     fluid_synth_set_gain(synth, 2.0);
 
@@ -59,6 +66,15 @@ int FluidSynthModel::getChannel() {
 }
 
 void FluidSynthModel::changePreset(int bank, int preset) {
+    if (bank == -1 || preset == -1) {
+        return;
+    }
+    changePresetImpl(bank, preset);
+    sharesParams.setPreset(preset);
+    sharesParams.setBank(bank);
+}
+
+void FluidSynthModel::changePresetImpl(int bank, int preset) {
     fluid_synth_program_select(synth, channel, sfont_id, static_cast<unsigned int>(bank), static_cast<unsigned int>(preset));
 }
 
@@ -142,16 +158,13 @@ void FluidSynthModel::unloadAndLoadFont(const String &absPath) {
         fluid_synth_sfunload(synth, sfont_id, 1);
     }
     loadFont(absPath);
+    selectFirstPreset();
 }
 
 void FluidSynthModel::loadFont(const String &absPath) {
-    if (!shouldLoadFont(absPath)) {
-        return;
-    }
     currentSoundFontAbsPath = absPath;
     sfont_id++;
     fluid_synth_sfload(synth, absPath.toStdString().c_str(), 1);
-    selectFirstPreset();
 }
 
 FluidSynthModel::Listener::~Listener() {

Source/FluidSynthModel.h

@@ -74,6 +74,8 @@ private:
     void loadFont(const String &absPath);
     bool shouldLoadFont(const String &absPath);
 
+    void changePresetImpl(int bank, int preset);
+
     bool initialised;
     unsigned int sfont_id;
     unsigned int channel;

Source/PluginProcessor.cpp

@@ -23,6 +23,8 @@ JuicySFAudioProcessor::JuicySFAudioProcessor()
        lastUIWidth(400),
        lastUIHeight(300),
        soundFontPath(String()),
+       lastPreset(-1),
+       lastBank(-1),
        fluidSynthModel(*this)/*,
        pluginEditor(nullptr)*/
 {
@@ -195,6 +197,8 @@ void JuicySFAudioProcessor::getStateInformation (MemoryBlock& destData)
     xml.setAttribute ("uiWidth", lastUIWidth);
     xml.setAttribute ("uiHeight", lastUIHeight);
     xml.setAttribute ("soundFontPath", soundFontPath);
+    xml.setAttribute ("preset", lastPreset);
+    xml.setAttribute ("bank", lastBank);
 
 //    list<StateChangeSubscriber*>::iterator p;
 //    for(p = stateChangeSubscribers.begin(); p != stateChangeSubscribers.end(); p++) {
@@ -231,6 +235,8 @@ void JuicySFAudioProcessor::setStateInformation (const void* data, int sizeInByt
             lastUIWidth  = jmax (xmlState->getIntAttribute ("uiWidth", lastUIWidth), 400);
             lastUIHeight = jmax (xmlState->getIntAttribute ("uiHeight", lastUIHeight), 300);
             soundFontPath = xmlState->getStringAttribute ("soundFontPath", soundFontPath);
+            lastPreset = xmlState->getIntAttribute ("preset", lastPreset);
+            lastBank = xmlState->getIntAttribute ("bank", lastBank);
 
             // Now reload our parameters..
             for (auto* param : getParameters())
@@ -238,6 +244,7 @@ void JuicySFAudioProcessor::setStateInformation (const void* data, int sizeInByt
                     p->setValue ((float) xmlState->getDoubleAttribute (p->paramID, p->getValue()));
 
             fluidSynthModel.onFileNameChanged(soundFontPath);
+            fluidSynthModel.changePreset(lastBank, lastPreset);
 
             AudioProcessorEditor* editor = getActiveEditor();
             if (editor != nullptr) {
@@ -280,6 +287,18 @@ void JuicySFAudioProcessor::setSoundFontPath(const String& value) {
 String& JuicySFAudioProcessor::getSoundFontPath() {
     return soundFontPath;
 }
+int JuicySFAudioProcessor::getPreset() {
+    return lastPreset;
+}
+int JuicySFAudioProcessor::getBank() {
+    return lastBank;
+}
+void JuicySFAudioProcessor::setPreset(int preset) {
+    lastPreset = preset;
+}
+void JuicySFAudioProcessor::setBank(int bank) {
+    lastBank = bank;
+}
 
 //==============================================================================
 // This creates new instances of the plugin..

Source/PluginProcessor.h

@@ -69,6 +69,10 @@ public:
 
     virtual void setSoundFontPath(const String& value) override;
     virtual String& getSoundFontPath() override;
+    virtual int getPreset() override;
+    virtual void setPreset(int preset) override;
+    virtual int getBank() override;
+    virtual void setBank(int bank) override;
 
 //    void subscribeToStateChanges(StateChangeSubscriber* subscriber);
 //    void unsubscribeFromStateChanges(StateChangeSubscriber* subscriber);
@@ -79,6 +83,8 @@ private:
     void initialiseSynth();
 
     String soundFontPath;
+    int lastPreset;
+    int lastBank;
 
     FluidSynthModel fluidSynthModel;
     fluid_synth_t* fluidSynth;

Source/SharesParams.h

@@ -13,6 +13,10 @@ public:
 
     virtual void setSoundFontPath(const String& value) = 0;
     virtual String& getSoundFontPath() = 0;
+    virtual int getPreset() = 0;
+    virtual void setPreset(int preset) = 0;
+    virtual int getBank() = 0;
+    virtual void setBank(int bank) = 0;
 };