Make DAW parameters update when GUI changes and vice versa and fix several bugs

Source/LineArtComponent.cpp

@@ -4,7 +4,6 @@
 LineArtComponent::LineArtComponent(OscirenderAudioProcessor& p, OscirenderAudioProcessorEditor& editor) : audioProcessor(p), pluginEditor(editor) {
 	setText("Line Art Settings");
 
-
 	addAndMakeVisible(animate);
 	addAndMakeVisible(sync);
 	addAndMakeVisible(rateLabel);
@@ -12,11 +11,11 @@ LineArtComponent::LineArtComponent(OscirenderAudioProcessor& p, OscirenderAudioP
 	addAndMakeVisible(offsetLabel);
 	addAndMakeVisible(offsetBox);
 
-	rateLabel.setText("Framerate: ", juce::dontSendNotification);
+	rateLabel.setText("Framerate", juce::dontSendNotification);
 	rateBox.setValue(audioProcessor.animationRate->getValueUnnormalised(), false, 2);
 	rateBox.setJustification(juce::Justification::left);
 
-	offsetLabel.setText("   Offset: ", juce::dontSendNotification);
+	offsetLabel.setText("Offset", juce::dontSendNotification);
 	offsetBox.setValue(audioProcessor.animationOffset->getValueUnnormalised(), false, 2);
 	offsetBox.setJustification(juce::Justification::left);
 
@@ -24,16 +23,28 @@ LineArtComponent::LineArtComponent(OscirenderAudioProcessor& p, OscirenderAudioP
 	update();
 
 	auto updateAnimation = [this]() {
-		audioProcessor.animateLineArt->setValue(animate.getToggleState());
-		audioProcessor.syncMIDIAnimation->setValue(sync.getToggleState());
-		audioProcessor.animationRate->setValueUnnormalised(rateBox.getValue());
-		audioProcessor.animationOffset->setValueUnnormalised(offsetBox.getValue());
+		audioProcessor.animateLineArt->setValueNotifyingHost(animate.getToggleState());
+		audioProcessor.syncMIDIAnimation->setValueNotifyingHost(sync.getToggleState());
+		audioProcessor.animationRate->setUnnormalisedValueNotifyingHost(rateBox.getValue());
+		audioProcessor.animationOffset->setUnnormalisedValueNotifyingHost(offsetBox.getValue());
 	};
 
 	animate.onClick = updateAnimation;
 	sync.onClick = updateAnimation;
-	rateBox.onFocusLost = updateAnimation;
-	offsetBox.onFocusLost = updateAnimation;
+	rateBox.onTextChange = updateAnimation;
+	offsetBox.onTextChange = updateAnimation;
+
+	audioProcessor.animateLineArt->addListener(this);
+	audioProcessor.syncMIDIAnimation->addListener(this);
+	audioProcessor.animationRate->addListener(this);
+	audioProcessor.animationOffset->addListener(this);
+}
+
+LineArtComponent::~LineArtComponent() {
+	audioProcessor.animationOffset->removeListener(this);
+	audioProcessor.animationRate->removeListener(this);
+	audioProcessor.syncMIDIAnimation->removeListener(this);
+	audioProcessor.animateLineArt->removeListener(this);
 }
 
 void LineArtComponent::resized() {
@@ -65,3 +76,13 @@ void LineArtComponent::update() {
 	animate.setToggleState(audioProcessor.animateLineArt->getValue(), true);
 	sync.setToggleState(audioProcessor.syncMIDIAnimation->getValue(), true);
 }
+
+void LineArtComponent::parameterValueChanged(int parameterIndex, float newValue) {
+	triggerAsyncUpdate();
+}
+
+void LineArtComponent::parameterGestureChanged(int parameterIndex, bool gestureIsStarting) {}
+
+void LineArtComponent::handleAsyncUpdate() {
+	update();
+}

Source/LineArtComponent.h

@@ -5,11 +5,15 @@
 #include "components/DoubleTextBox.h"
 
 class OscirenderAudioProcessorEditor;
-class LineArtComponent : public juce::GroupComponent, public juce::MouseListener {
+class LineArtComponent : public juce::GroupComponent, public juce::AudioProcessorParameter::Listener, juce::AsyncUpdater {
 public:
     LineArtComponent(OscirenderAudioProcessor&, OscirenderAudioProcessorEditor&);
+	~LineArtComponent();
 
     void resized() override;
+    void parameterValueChanged(int parameterIndex, float newValue) override;
+    void parameterGestureChanged(int parameterIndex, bool gestureIsStarting) override;
+    void handleAsyncUpdate() override;
     void update();
 private:
     OscirenderAudioProcessor& audioProcessor;
@@ -20,7 +24,7 @@ private:
     juce::Label rateLabel{ "Framerate","Framerate"};
     juce::Label offsetLabel{ "Offset","Offset" };
     DoubleTextBox rateBox{ -256, 256 };
-    DoubleTextBox offsetBox{ -8192,8192 };
+    DoubleTextBox offsetBox{ -8192, 8192 };
 
     JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(LineArtComponent)
 };

Source/PluginProcessor.cpp

@@ -662,7 +662,10 @@ void OscirenderAudioProcessor::processBlock(juce::AudioBuffer<float>& buffer, ju
             }
             if ((currentFile >= 0) ? (sounds[currentFile]->parser->isAnimatable) : false) {
                 int animFrame = (int)(animationTime * animationRate->getValueUnnormalised() + animationOffset->getValueUnnormalised());
-                sounds[currentFile]->parser->getLineArt()->setFrame(animFrame);
+                auto lineArt = sounds[currentFile]->parser->getLineArt();
+                if (lineArt != nullptr) {
+                    lineArt->setFrame(animFrame);
+                }
             }
         }
 

Source/components/DoubleTextBox.h

@@ -36,7 +36,7 @@ public:
 		// only keep negative sign at beginning
 		if (text.contains("-")) {
 			juce::String remainder = text.substring(1);
-			remainder = remainder.retainCharacters("0123456789");
+			remainder = remainder.retainCharacters("0123456789.");
 			text = text.substring(0, 1) + remainder;
 		}
 

Source/gpla/LineArtParser.cpp

@@ -83,7 +83,9 @@ void LineArtParser::parseJsonFrames(juce::String jsonStr) {
 }
 
 void LineArtParser::setFrame(int fNum) {
-    frameNumber = fNum % numFrames;
+	// Ensure that the frame number is within the bounds of the number of frames
+	// This weird modulo trick is to handle negative numbers
+    frameNumber = (numFrames + (fNum % numFrames)) % numFrames;
 }
 
 std::vector<std::unique_ptr<Shape>> LineArtParser::draw() {

blender/osci_render/__init__.py

@@ -16,6 +16,7 @@ import bmesh
 import socket
 import json
 import atexit
+from bpy.props import StringProperty
 from bpy.app.handlers import persistent
 from bpy_extras.io_utils import ImportHelper
 
@@ -67,21 +68,26 @@ class osci_render_save(bpy.types.Operator, ImportHelper):
     bl_label = "Save Line Art"
     bl_idname = "render.osci_render_save"
     bl_description = "Save line art to the chosen file"
-    filter_glob: bpy.props.StringProperty(
+    filename_ext = ".gpla"
+
+    filter_glob: StringProperty(
         default="*.gpla",
         options={"HIDDEN"}
     )
     
-    def execute(self,context):
+    def execute(self, context):
         FilePath = self.filepath
         filename, extension = os.path.splitext(self.filepath)
-        if (extension != ".gpla"):
+
+        if extension != ".gpla":
             extension = ".gpla"
             FilePath = FilePath + ".gpla"
+        
         self.report({"INFO"}, FilePath)
+
         if filename is not None and extension is not None:
             fin = save_scene_to_file(bpy.context.scene, FilePath)
-            if (fin == 0):
+            if fin == 0:
                 self.report({"INFO"}, "File write successful!")
                 return {"FINISHED"}
             else: