From 21b06b835333e13a67f88daee45c2bd1c418e70c Mon Sep 17 00:00:00 2001
From: xenakios <xenakios@gmail.com>
Date: Tue, 26 Dec 2017 20:24:10 +0200
Subject: [PATCH] Add option for loading imported file with plugin's state. Use
 a small loop xfade amount as default.

---
 Source/PluginEditor.cpp    |  5 +++++
 Source/PluginProcessor.cpp | 17 +++++++++++------
 Source/PluginProcessor.h   |  1 +
 3 files changed, 17 insertions(+), 6 deletions(-)

diff --git a/Source/PluginEditor.cpp b/Source/PluginEditor.cpp
index 748d391..0e7012c 100644
--- a/Source/PluginEditor.cpp
+++ b/Source/PluginEditor.cpp
@@ -280,6 +280,7 @@ void PaulstretchpluginAudioProcessorEditor::showSettingsMenu()
 {
 	PopupMenu menu;
 	menu.addItem(4, "Reset parameters", true, false);
+	menu.addItem(5, "Load file with plugin state", true, processor.m_load_file_with_state);
 	menu.addItem(1, "Play when host transport running", true, processor.m_play_when_host_plays);
 	menu.addItem(2, "Capture when host transport running", true, processor.m_capture_when_host_plays);
 	
@@ -307,6 +308,10 @@ void PaulstretchpluginAudioProcessorEditor::showSettingsMenu()
 	{
 		processor.resetParameters();
 	}
+	if (r == 5)
+	{
+		processor.m_load_file_with_state = !processor.m_load_file_with_state;
+	}
 	if (r == 3)
 	{
 		String fftlib = fftwf_version;
diff --git a/Source/PluginProcessor.cpp b/Source/PluginProcessor.cpp
index d68d1d2..e93b8b0 100644
--- a/Source/PluginProcessor.cpp
+++ b/Source/PluginProcessor.cpp
@@ -111,7 +111,7 @@ PaulstretchpluginAudioProcessor::PaulstretchpluginAudioProcessor()
 	addParameter(new AudioParameterBool("freeze0", "Freeze", false)); // 7
 	addParameter(new AudioParameterFloat("spread0", "Frequency spread", 0.0f, 1.0f, 0.0f)); // 8
 	addParameter(new AudioParameterFloat("compress0", "Compress", 0.0f, 1.0f, 0.0f)); // 9
-	addParameter(new AudioParameterFloat("loopxfadelen0", "Loop xfade length", 0.0f, 1.0f, 0.0f)); // 10
+	addParameter(new AudioParameterFloat("loopxfadelen0", "Loop xfade length", 0.0f, 1.0f, 0.01f)); // 10
     auto numhar_convertFrom0To1Func = [](float rangemin, float rangemax, float value)
     {
         return jmap<float>(value, 0.0f, 1.0f, 101.0f, 1.0f);
@@ -544,7 +544,8 @@ void PaulstretchpluginAudioProcessor::getStateInformation (MemoryBlock& destData
         paramtree.setProperty("prebufamount", m_prebuffer_amount, nullptr);
 	else
         paramtree.setProperty("prebufamount", -1, nullptr);
-    MemoryOutputStream stream(destData,true);
+	paramtree.setProperty("loadfilewithstate", m_load_file_with_state, nullptr);
+	MemoryOutputStream stream(destData,true);
 	paramtree.writeToStream(stream);
 }
 
@@ -555,6 +556,7 @@ void PaulstretchpluginAudioProcessor::setStateInformation (const void* data, int
 	{
 		{
 			ScopedLock locker(m_cs);
+			m_load_file_with_state = tree.getProperty("loadfilewithstate", true);
 			if (tree.hasProperty("numspectralstages"))
 			{
 				std::vector<int> order;
@@ -583,11 +585,14 @@ void PaulstretchpluginAudioProcessor::setStateInformation (const void* data, int
             m_use_backgroundbuffering = false;
         else
             setPreBufferAmount(prebufamt);
-		String fn = tree.getProperty("importedfile");
-		if (fn.isEmpty() == false)
+		if (m_load_file_with_state == true)
 		{
-			File f(fn);
-			setAudioFile(f);
+			String fn = tree.getProperty("importedfile");
+			if (fn.isEmpty() == false)
+			{
+				File f(fn);
+				setAudioFile(f);
+			}
 		}
 	}
 }
diff --git a/Source/PluginProcessor.h b/Source/PluginProcessor.h
index 7f2b38a..08f8c97 100644
--- a/Source/PluginProcessor.h
+++ b/Source/PluginProcessor.h
@@ -144,6 +144,7 @@ public:
 	void resetParameters();
     void setPreBufferAmount(int x);
 	int getPreBufferAmount();
+	bool m_load_file_with_state = true;
 private: