updated ...

GdpdExample/Main.tscn

@@ -4,6 +4,7 @@
 script/source = "extends Control
 
 var _gdpd
+var _patches = []
 
 func _load_patch(pd_patch) :
 	#separate file name from directory
@@ -11,7 +12,9 @@ func _load_patch(pd_patch) :
 	var patch_dir = pd_patch.trim_suffix(patch_name)
 
 	#load patch
-	_gdpd.openPatch(patch_name, patch_dir)
+	var id = _gdpd.openPatch(patch_name, patch_dir)
+	_patches.append(id)
+#	print(\"loading:\" + str(id))
 
 func _ready() :
 	_gdpd = load(\"res://addons/gdpd/bin/gdpd.gdns\").new()
@@ -33,12 +36,25 @@ func _on_Start_pressed() :
 	#the patch path should be the absolute one
 	_load_patch(ProjectSettings.globalize_path(\"res://patch.pd\"))
 	_load_patch(ProjectSettings.globalize_path(\"res://patch.pd\"))
+	_load_patch(ProjectSettings.globalize_path(\"res://patch.pd\"))
+	_load_patch(ProjectSettings.globalize_path(\"res://patch.pd\"))
+	_load_patch(ProjectSettings.globalize_path(\"res://patch.pd\"))
+	_load_patch(ProjectSettings.globalize_path(\"res://patch.pd\"))
+	_load_patch(ProjectSettings.globalize_path(\"res://patch.pd\"))
+	_load_patch(ProjectSettings.globalize_path(\"res://patch.pd\"))
+	_load_patch(ProjectSettings.globalize_path(\"res://patch.pd\"))
+	_load_patch(ProjectSettings.globalize_path(\"res://patch.pd\"))
 
 	_gdpd.subscribe(\"toGodot\")
 
 func _on_Stop_pressed() :
-	
-	_gdpd.closeAllPatches()
+	print(_patches)
+	for id in _patches:
+#		print(\"closing:\" + str(id))
+		_gdpd.closePatch(id)
+		# _patches.erase(id) # <= BAD!
+		# Do not erase entries while iterating over the array !!
+	_patches.clear()
 	_gdpd.stop()
 
 func _on_Send_pressed() :

bin (with gui, use pd 0.53-1)/gdpd.gdns

@@ -0,0 +1,8 @@
+[gd_resource type="NativeScript" load_steps=2 format=2]
+
+[ext_resource path="res://addons/gdpd/bin/libgdpd.gdnlib" type="GDNativeLibrary" id=1]
+
+[resource]
+resource_name = "gdpd"
+class_name = "Gdpd"
+library = ExtResource( 1 )

bin (with gui, use pd 0.53-1)/libgdpd.gdnlib

@@ -0,0 +1,18 @@
+[general]
+
+singleton=false
+load_once=false
+symbol_prefix="godot_"
+reloadable=true
+
+[entry]
+
+X11.64="res://addons/gdpd/bin/x11/libgdpd.so"
+Windows.64="res://addons/gdpd/bin/win/libgdpd.dll"
+OSX.64="res://addons/gdpd/bin/osx/libgdpd.dylib"
+
+[dependencies]
+
+X11.64=[  ]
+Windows.64=[  ]
+OSX.64=[  ]

bin (without gui)/gdpd.gdns

@@ -0,0 +1,8 @@
+[gd_resource type="NativeScript" load_steps=2 format=2]
+
+[ext_resource path="res://addons/gdpd/bin/libgdpd.gdnlib" type="GDNativeLibrary" id=1]
+
+[resource]
+resource_name = "gdpd"
+class_name = "Gdpd"
+library = ExtResource( 1 )

bin (without gui)/libgdpd.gdnlib

@@ -0,0 +1,18 @@
+[general]
+
+singleton=false
+load_once=false
+symbol_prefix="godot_"
+reloadable=true
+
+[entry]
+
+X11.64="res://addons/gdpd/bin/x11/libgdpd.so"
+Windows.64="res://addons/gdpd/bin/win/libgdpd.dll"
+OSX.64="res://addons/gdpd/bin/osx/libgdpd.dylib"
+
+[dependencies]
+
+X11.64=[  ]
+Windows.64=[  ]
+OSX.64=[  ]

src/gdpd.cpp

@@ -9,7 +9,7 @@ void Gdpd::_register_methods() {
   register_method("init", &Gdpd::init);
   register_method("stop", &Gdpd::stop);
   register_method("openPatch", &Gdpd::openPatch);
-  register_method("closeAllPatches", &Gdpd::closeAllPatches);
+  register_method("closePatch", &Gdpd::closePatch);
   register_method("subscribe", &Gdpd::subscribe);
   register_method("has_message", &Gdpd::has_message);
   register_method("get_next", &Gdpd::get_next);
@@ -117,6 +117,10 @@ int Gdpd::start() {
 
   //libpd_set_verbose(1);
 
+#if defined(WITH_GUI)
+  libpd_start_gui((char*)"/Applications/Pd-0.53-1.app/Contents/Resources");
+#endif
+
   //start dsp
   m_pd.computeAudio(true);
 
@@ -170,6 +174,10 @@ void Gdpd::stop() {
   m_audio.closeStream();
   m_pd.computeAudio(false);
   print("Stopped");
+
+#if defined(WITH_GUI)
+  libpd_stop_gui();
+#endif
 }
 
 void Gdpd::processAudio(void *outputBuffer, void *inputBuffer,
@@ -185,39 +193,32 @@ void Gdpd::processAudio(void *outputBuffer, void *inputBuffer,
   }
 }
 
-void Gdpd::openPatch(godot::String baseStr, godot::String dirStr) {
+int Gdpd::openPatch(godot::String baseStr, godot::String dirStr) {
   std::wstring baseWs = baseStr.unicode_str();
   std::string baseS(baseWs.begin(), baseWs.end());
   std::wstring dirWs = dirStr.unicode_str();
   std::string dirS(dirWs.begin(), dirWs.end());
 
-  //libpd_openfile(baseS.c_str(), dirS.c_str());
-  //m_patch = m_pd.openPatch(baseS.c_str(), dirS.c_str());
   pd::Patch p1 = m_pd.openPatch(baseS.c_str(), dirS.c_str());
   if(!p1.isValid()) {
     print("Could not open patch "+baseS);
   }
   else {
-    print("Opened patch "+baseS);
-    m_patches.push_back(p1);
+    print("Opened patch "+baseS+ " [" + std::to_string(p1.dollarZero()) + "]");
+    m_patchsMap[p1.dollarZero()] = p1;
   }
 
-  //m_pd.subscribe("to_gdpd");
-
-  /*
-     if(!m_pd.init(m_nbInputs, m_nbOutputs, m_sampleRate, true)) {
-          Godot::print("GDPD : Error starting libpd");
-     }
-     m_pd.setReceiver(this);
-     m_pd.computeAudio(true);
-   */
+  return p1.dollarZero();
 }
 
-void Gdpd::closeAllPatches() {
-  for (int idx = 0; idx < m_patches.size(); idx++) {
-    m_pd.closePatch(m_patches[idx]);
+void Gdpd::closePatch(int id) {
+  if(m_patchsMap.find(id) != m_patchsMap.end()) {
+    // print("Closing patch, id: "+ std::to_string(id));
+    std::string baseS = m_patchsMap[id].filename();
+    m_pd.closePatch(m_patchsMap[id]);
+    m_patchsMap.erase(id);
+    print("Closed patch "+baseS+ " ["+ std::to_string(id) + "]");
   }
-  m_patches.clear();
 }
 
 void Gdpd::subscribe(String symbStr) {

src/gdpd.hpp

@@ -13,6 +13,8 @@
 #include "PdReceiver.hpp"
 #include "RtAudio.h"
 
+// #define WITH_GUI
+
 namespace godot {
 
 class Gdpd : public godot::AudioStreamPlayer, public pd::PdReceiver {
@@ -32,7 +34,7 @@ private:
   int m_sampleRate;
   int m_inputDevice;
   int m_outputDevice;
-  std::vector<pd::Patch> m_patches;
+  std::map<int, pd::Patch> m_patchsMap;
 
   bool m_init;
 
@@ -51,8 +53,8 @@ public:
   int init(int nbInputs, int nbOutputs, int sampleRate, int bufferSize);
   int start();
   void stop();
-  void openPatch(String basename, String dirname);
-  void closeAllPatches();
+  int openPatch(String basename, String dirname);
+  void closePatch(int id);
   bool has_message();
   Array get_next();
   int blocksize();