10 files changed, 743 insertions, 119 deletions

diff --git a/tools/editor/editor_audio_buses.cpp b/tools/editor/editor_audio_buses.cpp
new file mode 100644
index 0000000000..d570abcc82
--- /dev/null
+++ b/tools/editor/editor_audio_buses.cpp
@@ -0,0 +1,619 @@
+#include "editor_audio_buses.h"
+#include "editor_node.h"
+#include "servers/audio_server.h"
+
+
+void EditorAudioBus::_notification(int p_what) {
+
+	if (p_what==NOTIFICATION_READY) {
+
+		vu_l->set_under_texture(get_icon("BusVuEmpty","EditorIcons"));
+		vu_l->set_progress_texture(get_icon("BusVuFull","EditorIcons"));
+		vu_r->set_under_texture(get_icon("BusVuEmpty","EditorIcons"));
+		vu_r->set_progress_texture(get_icon("BusVuFull","EditorIcons"));
+		scale->set_texture( get_icon("BusVuDb","EditorIcons"));
+
+		disabled_vu = get_icon("BusVuFrozen","EditorIcons");
+
+		prev_active=true;
+		update_bus();
+		set_process(true);
+	}
+
+	if (p_what==NOTIFICATION_DRAW) {
+
+		if (has_focus()) {
+			draw_style_box(get_stylebox("focus","Button"),Rect2(Vector2(),get_size()));
+		}
+	}
+
+	if (p_what==NOTIFICATION_PROCESS) {
+
+		float real_peak[2]={-100,-100};
+		bool activity_found=false;
+
+		int cc;
+		switch(AudioServer::get_singleton()->get_speaker_mode()) {
+			case AudioServer::SPEAKER_MODE_STEREO: cc = 1; break;
+			case AudioServer::SPEAKER_SURROUND_51: cc = 4; break;
+			case AudioServer::SPEAKER_SURROUND_71: cc = 5; break;
+		}
+
+		for(int i=0;i<cc;i++) {
+			if (AudioServer::get_singleton()->is_bus_channel_active(get_index(),i)) {
+				activity_found=true;
+				real_peak[0]=MAX(real_peak[0],AudioServer::get_singleton()->get_bus_peak_volume_left_db(get_index(),i));
+				real_peak[1]=MAX(real_peak[1],AudioServer::get_singleton()->get_bus_peak_volume_right_db(get_index(),i));
+			}
+		}
+
+
+		if (real_peak[0]>peak_l) {
+			peak_l = real_peak[0];
+		} else {
+			peak_l-=get_process_delta_time()*60.0;
+		}
+
+		if (real_peak[1]>peak_r) {
+			peak_r = real_peak[1];
+		} else {
+			peak_r-=get_process_delta_time()*60.0;
+
+		}
+
+		vu_l->set_value(peak_l);
+		vu_r->set_value(peak_r);
+
+		if (activity_found!=prev_active) {
+			if (activity_found) {
+				vu_l->set_over_texture(Ref<Texture>());
+				vu_r->set_over_texture(Ref<Texture>());
+			} else {
+				vu_l->set_over_texture(disabled_vu);
+				vu_r->set_over_texture(disabled_vu);
+
+			}
+
+			prev_active=activity_found;
+		}
+
+	}
+
+	if (p_what==NOTIFICATION_VISIBILITY_CHANGED) {
+
+		peak_l=-100;
+		peak_r=-100;
+		prev_active=true;
+
+		set_process(is_visible_in_tree());
+	}
+
+}
+
+void EditorAudioBus::update_send() {
+
+	send->clear();
+	if (get_index()==0) {
+		send->set_disabled(true);
+		send->set_text("Speakers");
+	} else {
+		send->set_disabled(false);
+		StringName current_send = AudioServer::get_singleton()->get_bus_send(get_index());
+		int current_send_index=0; //by default to master
+
+		for(int i=0;i<get_index();i++) {
+			StringName send_name = AudioServer::get_singleton()->get_bus_name(i);
+			send->add_item(send_name);
+			if (send_name==current_send) {
+				current_send_index=i;
+			}
+		}
+
+		send->select(current_send_index);
+	}
+}
+
+void EditorAudioBus::update_bus() {
+
+	if (updating_bus)
+		return;
+
+	updating_bus=true;
+
+	int index = get_index();
+
+	slider->set_value(AudioServer::get_singleton()->get_bus_volume_db(index));
+	track_name->set_text(AudioServer::get_singleton()->get_bus_name(index));
+	if (get_index()==0)
+		track_name->set_editable(false);
+
+	solo->set_pressed( AudioServer::get_singleton()->is_bus_solo(index));
+	mute->set_pressed( AudioServer::get_singleton()->is_bus_mute(index));
+	bypass->set_pressed( AudioServer::get_singleton()->is_bus_bypassing_effects(index));
+	// effects..
+	effects->clear();
+
+	TreeItem *root = effects->create_item();
+	for(int i=0;i<AudioServer::get_singleton()->get_bus_effect_count(index);i++) {
+
+		Ref<AudioEffect> afx = AudioServer::get_singleton()->get_bus_effect(index,i);
+
+		TreeItem *fx = effects->create_item(root);
+		fx->set_cell_mode(0,TreeItem::CELL_MODE_CHECK);
+		fx->set_editable(0,true);
+		fx->set_checked(0,AudioServer::get_singleton()->is_bus_effect_enabled(index,i));
+		fx->set_text(0,afx->get_name());
+		fx->set_metadata(0,i);
+
+	}
+
+	TreeItem *add = effects->create_item(root);
+	add->set_cell_mode(0,TreeItem::CELL_MODE_CUSTOM);
+	add->set_editable(0,true);
+	add->set_selectable(0,false);
+	add->set_text(0,"Add Effect");
+
+	update_send();
+
+	updating_bus=false;
+
+}
+
+
+void EditorAudioBus::_name_changed(const String& p_new_name) {
+
+	if (p_new_name==AudioServer::get_singleton()->get_bus_name(get_index()))
+		return;
+
+	String attempt=p_new_name;
+	int attempts=1;
+
+	while(true) {
+
+		bool name_free=true;
+		for(int i=0;i<AudioServer::get_singleton()->get_bus_count();i++) {
+
+			if (AudioServer::get_singleton()->get_bus_name(i)==attempt) {
+				name_free=false;
+				break;
+			}
+		}
+
+		if (name_free) {
+			break;
+		}
+
+		attempts++;
+		attempt=p_new_name+" "+itos(attempts);
+	}
+	updating_bus=true;
+
+	UndoRedo *ur = EditorNode::get_singleton()->get_undo_redo();
+
+	StringName current = AudioServer::get_singleton()->get_bus_name(get_index());
+	ur->create_action("Rename Audio Bus");
+	ur->add_do_method(AudioServer::get_singleton(),"set_bus_name",get_index(),attempt);
+	ur->add_undo_method(AudioServer::get_singleton(),"set_bus_name",get_index(),current);
+
+	for(int i=0;i<AudioServer::get_singleton()->get_bus_count();i++) {
+		if (AudioServer::get_singleton()->get_bus_send(i)==current) {
+			ur->add_do_method(AudioServer::get_singleton(),"set_bus_send",i,attempt);
+			ur->add_undo_method(AudioServer::get_singleton(),"set_bus_send",i,current);
+		}
+	}
+
+	ur->add_do_method(buses,"_update_bus",get_index());
+	ur->add_undo_method(buses,"_update_bus",get_index());
+
+
+	ur->add_do_method(buses,"_update_sends");
+	ur->add_undo_method(buses,"_update_sends");
+	ur->commit_action();
+
+	updating_bus=false;
+
+}
+
+void EditorAudioBus::_volume_db_changed(float p_db){
+
+	if (updating_bus)
+		return;
+
+	updating_bus=true;
+
+	print_line("new volume: "+rtos(p_db));
+	UndoRedo *ur = EditorNode::get_singleton()->get_undo_redo();
+	ur->create_action("Change Audio Bus Volume",UndoRedo::MERGE_ENDS);
+	ur->add_do_method(AudioServer::get_singleton(),"set_bus_volume_db",get_index(),p_db);
+	ur->add_undo_method(AudioServer::get_singleton(),"set_bus_volume_db",get_index(),AudioServer::get_singleton()->get_bus_volume_db(get_index()));
+	ur->add_do_method(buses,"_update_bus",get_index());
+	ur->add_undo_method(buses,"_update_bus",get_index());
+	ur->commit_action();
+
+	updating_bus=false;
+
+}
+void EditorAudioBus::_solo_toggled(){
+
+	updating_bus=true;
+
+	UndoRedo *ur = EditorNode::get_singleton()->get_undo_redo();
+	ur->create_action("Toggle Audio Bus Solo");
+	ur->add_do_method(AudioServer::get_singleton(),"set_bus_solo",get_index(),solo->is_pressed());
+	ur->add_undo_method(AudioServer::get_singleton(),"set_bus_solo",get_index(),AudioServer::get_singleton()->is_bus_solo(get_index()));
+	ur->add_do_method(buses,"_update_bus",get_index());
+	ur->add_undo_method(buses,"_update_bus",get_index());
+	ur->commit_action();
+
+	updating_bus=false;
+
+}
+void EditorAudioBus::_mute_toggled(){
+
+	updating_bus=true;
+
+	UndoRedo *ur = EditorNode::get_singleton()->get_undo_redo();
+	ur->create_action("Toggle Audio Bus Mute");
+	ur->add_do_method(AudioServer::get_singleton(),"set_bus_mute",get_index(),mute->is_pressed());
+	ur->add_undo_method(AudioServer::get_singleton(),"set_bus_mute",get_index(),AudioServer::get_singleton()->is_bus_mute(get_index()));
+	ur->add_do_method(buses,"_update_bus",get_index());
+	ur->add_undo_method(buses,"_update_bus",get_index());
+	ur->commit_action();
+
+	updating_bus=false;
+
+}
+void EditorAudioBus::_bypass_toggled(){
+
+	updating_bus=true;
+
+	UndoRedo *ur = EditorNode::get_singleton()->get_undo_redo();
+	ur->create_action("Toggle Audio Bus Bypass Effects");
+	ur->add_do_method(AudioServer::get_singleton(),"set_bus_bypass_effects",get_index(),bypass->is_pressed());
+	ur->add_undo_method(AudioServer::get_singleton(),"set_bus_bypass_effects",get_index(),AudioServer::get_singleton()->is_bus_bypassing_effects(get_index()));
+	ur->add_do_method(buses,"_update_bus",get_index());
+	ur->add_undo_method(buses,"_update_bus",get_index());
+	ur->commit_action();
+
+	updating_bus=false;
+
+
+}
+
+void EditorAudioBus::_send_selected(int p_which) {
+
+	updating_bus=true;
+
+	UndoRedo *ur = EditorNode::get_singleton()->get_undo_redo();
+	ur->create_action("Select Audio Bus Send");
+	ur->add_do_method(AudioServer::get_singleton(),"set_bus_send",get_index(),send->get_item_text(p_which));
+	ur->add_undo_method(AudioServer::get_singleton(),"set_bus_send",get_index(),AudioServer::get_singleton()->get_bus_send(get_index()));
+	ur->add_do_method(buses,"_update_bus",get_index());
+	ur->add_undo_method(buses,"_update_bus",get_index());
+	ur->commit_action();
+
+	updating_bus=false;
+}
+
+void EditorAudioBus::_effect_selected() {
+
+	TreeItem *effect = effects->get_selected();
+	if (!effect)
+		return;
+	updating_bus=true;
+
+	if (effect->get_metadata(0)!=Variant()) {
+
+		int index = effect->get_metadata(0);
+		Ref<AudioEffect> effect = AudioServer::get_singleton()->get_bus_effect(get_index(),index);
+		if (effect.is_valid()) {
+			EditorNode::get_singleton()->push_item(effect.ptr());
+		}
+	}
+
+	updating_bus=false;
+
+}
+
+void EditorAudioBus::_effect_edited() {
+
+	if (updating_bus)
+		return;
+
+	TreeItem *effect = effects->get_edited();
+	if (!effect)
+		return;
+
+	if (effect->get_metadata(0)==Variant()) {
+		Rect2 area = effects->get_item_rect(effect);
+
+		effect_options->set_pos(effects->get_global_pos()+area.pos+Vector2(0,area.size.y));
+		effect_options->popup();
+		//add effect
+	} else  {
+		int index = effect->get_metadata(0);
+		updating_bus=true;
+
+		UndoRedo *ur = EditorNode::get_singleton()->get_undo_redo();
+		ur->create_action("Select Audio Bus Send");
+		ur->add_do_method(AudioServer::get_singleton(),"set_bus_effect_enabled",get_index(),index,effect->is_checked(0));
+		ur->add_undo_method(AudioServer::get_singleton(),"set_bus_effect_enabled",get_index(),index,AudioServer::get_singleton()->is_bus_effect_enabled(get_index(),index));
+		ur->add_do_method(buses,"_update_bus",get_index());
+		ur->add_undo_method(buses,"_update_bus",get_index());
+		ur->commit_action();
+
+		updating_bus=false;
+
+	}
+
+}
+
+void EditorAudioBus::_effect_add(int p_which) {
+
+	if (updating_bus)
+		return;
+
+	StringName name = effect_options->get_item_metadata(p_which);
+
+	Object *fx = ClassDB::instance(name);
+	ERR_FAIL_COND(!fx);
+	AudioEffect *afx = fx->cast_to<AudioEffect>();
+	ERR_FAIL_COND(!afx);
+	Ref<AudioEffect> afxr = Ref<AudioEffect>(afx);
+
+	afxr->set_name(effect_options->get_item_text(p_which));
+
+	UndoRedo *ur = EditorNode::get_singleton()->get_undo_redo();
+	ur->create_action("Add Audio Bus Effect");
+	ur->add_do_method(AudioServer::get_singleton(),"add_bus_effect",get_index(),afxr,-1);
+	ur->add_undo_method(AudioServer::get_singleton(),"remove_bus_effect",get_index(),AudioServer::get_singleton()->get_bus_effect_count(get_index()));
+	ur->add_do_method(buses,"_update_bus",get_index());
+	ur->add_undo_method(buses,"_update_bus",get_index());
+	ur->commit_action();
+}
+
+void EditorAudioBus::_bind_methods() {
+
+	ClassDB::bind_method("update_bus",&EditorAudioBus::update_bus);
+	ClassDB::bind_method("update_send",&EditorAudioBus::update_send);
+	ClassDB::bind_method("_name_changed",&EditorAudioBus::_name_changed);
+	ClassDB::bind_method("_volume_db_changed",&EditorAudioBus::_volume_db_changed);
+	ClassDB::bind_method("_solo_toggled",&EditorAudioBus::_solo_toggled);
+	ClassDB::bind_method("_mute_toggled",&EditorAudioBus::_mute_toggled);
+	ClassDB::bind_method("_bypass_toggled",&EditorAudioBus::_bypass_toggled);
+	ClassDB::bind_method("_name_focus_exit",&EditorAudioBus::_name_focus_exit);
+	ClassDB::bind_method("_send_selected",&EditorAudioBus::_send_selected);
+	ClassDB::bind_method("_effect_edited",&EditorAudioBus::_effect_edited);
+	ClassDB::bind_method("_effect_selected",&EditorAudioBus::_effect_selected);
+	ClassDB::bind_method("_effect_add",&EditorAudioBus::_effect_add);
+}
+
+EditorAudioBus::EditorAudioBus(EditorAudioBuses *p_buses) {
+
+	buses=p_buses;
+	updating_bus=false;
+
+	VBoxContainer *vb = memnew( VBoxContainer );
+	add_child(vb);
+
+	set_v_size_flags(SIZE_EXPAND_FILL);
+
+	track_name = memnew( LineEdit );
+	vb->add_child(track_name);
+	track_name->connect("text_entered",this,"_name_changed");
+	track_name->connect("focus_exited",this,"_name_focus_exit");
+
+	HBoxContainer *hbc = memnew( HBoxContainer);
+	vb->add_child(hbc);
+	hbc->add_spacer();
+	solo = memnew( ToolButton );
+	solo->set_text("S");
+	solo->set_toggle_mode(true);
+	solo->set_modulate(Color(0.8,1.2,0.8));
+	solo->set_focus_mode(FOCUS_NONE);
+	solo->connect("pressed",this,"_solo_toggled");
+	hbc->add_child(solo);
+	mute = memnew( ToolButton );
+	mute->set_text("M");
+	mute->set_toggle_mode(true);
+	mute->set_modulate(Color(1.2,0.8,0.8));
+	mute->set_focus_mode(FOCUS_NONE);
+	mute->connect("pressed",this,"_mute_toggled");
+	hbc->add_child(mute);
+	bypass = memnew( ToolButton );
+	bypass->set_text("B");
+	bypass->set_toggle_mode(true);
+	bypass->set_modulate(Color(1.1,1.1,0.8));
+	bypass->set_focus_mode(FOCUS_NONE);
+	bypass->connect("pressed",this,"_bypass_toggled");
+	hbc->add_child(bypass);
+	hbc->add_spacer();
+
+	HBoxContainer *hb = memnew( HBoxContainer );
+	vb->add_child(hb);
+	slider = memnew( VSlider );
+	slider->set_min(-80);
+	slider->set_max(24);
+	slider->set_step(0.1);
+
+	slider->connect("value_changed",this,"_volume_db_changed");
+	hb->add_child(slider);
+	vu_l = memnew( TextureProgress );
+	vu_l->set_fill_mode(TextureProgress::FILL_BOTTOM_TO_TOP);
+	hb->add_child(vu_l);
+	vu_l->set_min(-80);
+	vu_l->set_max(24);
+	vu_l->set_step(0.1);
+
+	vu_r = memnew( TextureProgress );
+	vu_r->set_fill_mode(TextureProgress::FILL_BOTTOM_TO_TOP);
+	hb->add_child(vu_r);
+	vu_r->set_min(-80);
+	vu_r->set_max(24);
+	vu_r->set_step(0.1);
+
+	scale = memnew( TextureRect );
+	hb->add_child(scale);
+
+	add_child(hb);
+
+	effects = memnew( Tree );
+	effects->set_hide_root(true);
+	effects->set_custom_minimum_size(Size2(0,90)*EDSCALE);
+	effects->set_hide_folding(true);
+	vb->add_child(effects);
+	effects->connect("item_edited",this,"_effect_edited");
+	effects->connect("cell_selected",this,"_effect_selected");
+	effects->set_edit_checkbox_cell_only_when_checkbox_is_pressed(true);
+
+
+	send = memnew( OptionButton );
+	send->set_clip_text(true);
+	send->connect("item_selected",this,"_send_selected");
+	vb->add_child(send);
+
+	set_focus_mode(FOCUS_CLICK);
+
+	effect_options = memnew( PopupMenu );
+	effect_options->connect("index_pressed",this,"_effect_add");
+	add_child(effect_options);
+	List<StringName> effects;
+	ClassDB::get_inheriters_from_class("AudioEffect",&effects);
+	effects.sort_custom<StringName::AlphCompare>();
+	for (List<StringName>::Element *E=effects.front();E;E=E->next()) {
+		if (!ClassDB::can_instance(E->get()))
+			continue;
+
+		Ref<Texture> icon;
+		if (has_icon(E->get(),"EditorIcons")) {
+			icon = get_icon(E->get(),"EditorIcons");
+		}
+		String name = E->get().operator String().replace("AudioEffect","");
+		effect_options->add_item(name);
+		effect_options->set_item_metadata(effect_options->get_item_count()-1,E->get());
+		effect_options->set_item_icon(effect_options->get_item_count()-1,icon);
+	}
+
+
+}
+
+
+void EditorAudioBuses::_update_buses() {
+
+	while(bus_hb->get_child_count()>0) {
+		memdelete(bus_hb->get_child(0));
+	}
+
+	for(int i=0;i<AudioServer::get_singleton()->get_bus_count();i++) {
+
+		EditorAudioBus *audio_bus = memnew( EditorAudioBus(this) );
+		if (i==0) {
+			audio_bus->set_self_modulate(Color(1,0.9,0.9));
+		}
+		bus_hb->add_child(audio_bus);
+
+	}
+}
+
+void EditorAudioBuses::register_editor() {
+
+	EditorAudioBuses * audio_buses = memnew( EditorAudioBuses );
+	EditorNode::get_singleton()->add_bottom_panel_item("Audio",audio_buses);
+}
+
+void EditorAudioBuses::_notification(int p_what) {
+
+	if (p_what==NOTIFICATION_READY) {
+		_update_buses();
+	}
+}
+
+
+void EditorAudioBuses::_add_bus() {
+
+	UndoRedo *ur = EditorNode::get_singleton()->get_undo_redo();
+
+	//need to simulate new name, so we can undi :(
+	ur->create_action("Add Audio Bus");
+	ur->add_do_method(AudioServer::get_singleton(),"set_bus_count",AudioServer::get_singleton()->get_bus_count()+1);
+	ur->add_undo_method(AudioServer::get_singleton(),"set_bus_count",AudioServer::get_singleton()->get_bus_count());
+	ur->add_do_method(this,"_update_buses");
+	ur->add_undo_method(this,"_update_buses");
+	ur->commit_action();
+
+}
+
+void EditorAudioBuses::_update_bus(int p_index) {
+
+	if (p_index>=bus_hb->get_child_count())
+		return;
+
+	bus_hb->get_child(p_index)->call("update_bus");
+}
+
+void EditorAudioBuses::_update_sends() {
+
+	for(int i=0;i<bus_hb->get_child_count();i++) {
+		bus_hb->get_child(i)->call("update_send");
+	}
+}
+
+void EditorAudioBuses::_bind_methods() {
+
+	ClassDB::bind_method("_add_bus",&EditorAudioBuses::_add_bus);
+	ClassDB::bind_method("_update_buses",&EditorAudioBuses::_update_buses);
+	ClassDB::bind_method("_update_bus",&EditorAudioBuses::_update_bus);
+	ClassDB::bind_method("_update_sends",&EditorAudioBuses::_update_sends);
+}
+
+EditorAudioBuses::EditorAudioBuses()
+{
+
+	top_hb = memnew( HBoxContainer );
+	add_child(top_hb);
+
+	add = memnew( Button );
+	top_hb->add_child(add);;
+	add->set_text(TTR("Add"));
+
+	add->connect("pressed",this,"_add_bus");
+
+	Ref<ButtonGroup> bg;
+	bg.instance();
+
+	buses = memnew( ToolButton );
+	top_hb->add_child(buses);
+	buses->set_text(TTR("Buses"));
+	buses->set_button_group(bg);
+	buses->set_toggle_mode(true);
+	buses->set_pressed(true);
+
+	groups = memnew( ToolButton );
+	top_hb->add_child(groups);
+	groups->set_text(TTR("Groups"));
+	groups->set_button_group(bg);
+	groups->set_toggle_mode(true);
+
+	bus_scroll = memnew( ScrollContainer );
+	bus_scroll->set_v_size_flags(SIZE_EXPAND_FILL);
+	bus_scroll->set_enable_h_scroll(true);
+	bus_scroll->set_enable_v_scroll(false);
+	add_child(bus_scroll);
+	bus_hb = memnew( HBoxContainer );
+	bus_scroll->add_child(bus_hb);
+
+	group_scroll = memnew( ScrollContainer );
+	group_scroll->set_v_size_flags(SIZE_EXPAND_FILL);
+	group_scroll->set_enable_h_scroll(true);
+	group_scroll->set_enable_v_scroll(false);
+	add_child(group_scroll);
+	group_hb = memnew( HBoxContainer );
+	group_scroll->add_child(group_hb);
+
+	group_scroll->hide();
+
+
+	set_v_size_flags(SIZE_EXPAND_FILL);
+
+
+}
diff --git a/tools/editor/editor_audio_buses.h b/tools/editor/editor_audio_buses.h
new file mode 100644
index 0000000000..8787101393
--- /dev/null
+++ b/tools/editor/editor_audio_buses.h
@@ -0,0 +1,106 @@
+#ifndef EDITORAUDIOBUSES_H
+#define EDITORAUDIOBUSES_H
+
+
+#include "scene/gui/box_container.h"
+#include "scene/gui/button.h"
+#include "scene/gui/tool_button.h"
+#include "scene/gui/scroll_container.h"
+#include "scene/gui/panel_container.h"
+#include "scene/gui/slider.h"
+#include "scene/gui/texture_progress.h"
+#include "scene/gui/texture_rect.h"
+#include "scene/gui/line_edit.h"
+#include "scene/gui/tree.h"
+#include "scene/gui/option_button.h"
+
+class EditorAudioBuses;
+
+class EditorAudioBus : public PanelContainer {
+
+	GDCLASS( EditorAudioBus, PanelContainer )
+
+	bool prev_active;
+	float peak_l;
+	float peak_r;
+
+	Ref<Texture> disabled_vu;
+	LineEdit *track_name;
+	VSlider *slider;
+	TextureProgress *vu_l;
+	TextureProgress *vu_r;
+	TextureRect *scale;
+	OptionButton *send;
+
+	PopupMenu *effect_options;
+
+	Button *solo;
+	Button *mute;
+	Button *bypass;
+
+	Tree *effects;
+
+	bool updating_bus;
+
+	void _name_changed(const String& p_new_name);
+	void _name_focus_exit() { _name_changed(track_name->get_text()); }
+	void _volume_db_changed(float p_db);
+	void _solo_toggled();
+	void _mute_toggled();
+	void _bypass_toggled();
+	void _send_selected(int p_which);
+	void _effect_edited();
+	void _effect_add(int p_which);
+	void _effect_selected();
+
+friend class EditorAudioBuses;
+
+	EditorAudioBuses *buses;
+
+protected:
+
+	static void _bind_methods();
+	void _notification(int p_what);
+public:
+
+	void update_bus();
+	void update_send();
+
+	EditorAudioBus(EditorAudioBuses *p_buses=NULL);
+};
+
+
+class EditorAudioBuses : public VBoxContainer  {
+
+	GDCLASS(EditorAudioBuses,VBoxContainer)
+
+	HBoxContainer *top_hb;
+
+	Button *add;
+	ToolButton *buses;
+	ToolButton *groups;
+	ScrollContainer *bus_scroll;
+	HBoxContainer *bus_hb;
+	ScrollContainer *group_scroll;
+	HBoxContainer *group_hb;
+
+	void _add_bus();
+	void _update_buses();
+	void _update_bus(int p_index);
+	void _update_sends();
+
+
+protected:
+
+	static void _bind_methods();
+	void _notification(int p_what);
+public:
+
+
+
+	static void register_editor();
+
+	EditorAudioBuses();
+};
+
+#endif // EDITORAUDIOBUSES_H
diff --git a/tools/editor/editor_node.cpp b/tools/editor/editor_node.cpp
index 505e898336..9adb82a3b4 100644
--- a/tools/editor/editor_node.cpp
+++ b/tools/editor/editor_node.cpp
@@ -115,6 +115,7 @@
 
 #include "plugins/editor_preview_plugins.h"
 #include "editor_initialize_ssl.h"
+#include "editor_audio_buses.h"
 #include "script_editor_debugger.h"
 
 EditorNode *EditorNode::singleton=NULL;
@@ -1937,7 +1938,7 @@ void EditorNode::_run(bool p_current,const String& p_custom) {
 
 	List<String> breakpoints;
 	editor_data.get_editor_breakpoints(&breakpoints);
-    
+
 	args = GlobalConfig::get_singleton()->get("editor/main_run_args");
 
 	Error error = editor_run.run(run_filename,args,breakpoints,current_filename);
@@ -2802,10 +2803,10 @@ void EditorNode::_menu_option_confirm(int p_option,bool p_confirmed) {
 			update_menu->get_popup()->set_item_checked(1,true);
 			OS::get_singleton()->set_low_processor_usage_mode(true);
 		} break;
-        case SETTINGS_UPDATE_SPINNER_HIDE: {
+	case SETTINGS_UPDATE_SPINNER_HIDE: {
 			update_menu->set_icon(gui_base->get_icon("Collapse","EditorIcons"));
-            update_menu->get_popup()->toggle_item_checked(3);
-        } break;
+	    update_menu->get_popup()->toggle_item_checked(3);
+	} break;
 		case SETTINGS_PREFERENCES: {
 
 			settings_config_dialog->popup_edit_settings();
@@ -2930,16 +2931,7 @@ void EditorNode::_menu_option_confirm(int p_option,bool p_confirmed) {
 
 		default: {
 
-			if (p_option>=TOOL_MENU_BASE) {
-				int idx = p_option - TOOL_MENU_BASE;
-
-				if (tool_menu_items[idx].submenu != "")
-					break;
-
-				Object *handler = ObjectDB::get_instance(tool_menu_items[idx].handler);
-				ERR_FAIL_COND(!handler);
-				handler->call(tool_menu_items[idx].callback, tool_menu_items[idx].ud);
-			} else if (p_option>=OBJECT_METHOD_BASE) {
+			if (p_option>=OBJECT_METHOD_BASE) {
 
 				ERR_FAIL_COND(!current);
 
@@ -5274,100 +5266,6 @@ void EditorNode::add_plugin_init_callback(EditorPluginInitializeCallback p_callb
 
 EditorPluginInitializeCallback EditorNode::plugin_init_callbacks[EditorNode::MAX_INIT_CALLBACKS];
 
-void EditorNode::_tool_menu_insert_item(const ToolMenuItem& p_item) {
-
-	int idx = tool_menu_items.size();
-
-	String cat;
-	if (p_item.name.find("/") >= 0) {
-		cat = p_item.name.get_slice("/", 0);
-	} else {
-		idx = 0;
-		cat = "";
-	}
-
-	for (int i = tool_menu_items.size() - 1; i >= 0; i--) {
-		String name = tool_menu_items[i].name;
-
-		if (name.begins_with(cat) && (cat != "" || name.find("/") < 0)) {
-			idx = i + 1;
-			break;
-		}
-	}
-
-	tool_menu_items.insert(idx, p_item);
-}
-
-void EditorNode::_rebuild_tool_menu() const {
-
-	if (_initializing_tool_menu)
-		return;
-
-	PopupMenu *menu = tool_menu->get_popup();
-	menu->clear();
-
-	for (int i = 0; i < tool_menu_items.size(); i++) {
-		menu->add_item(tool_menu_items[i].name.get_slice("/", 1), TOOL_MENU_BASE + i);
-
-		if (tool_menu_items[i].submenu != "")
-			menu->set_item_submenu(i, tool_menu_items[i].submenu);
-	}
-}
-
-void EditorNode::add_tool_menu_item(const String& p_name, Object *p_handler, const String& p_callback, const Variant& p_ud) {
-
-	ERR_FAIL_COND(!p_handler);
-
-	ToolMenuItem tmi;
-	tmi.name = p_name;
-	tmi.submenu = "";
-	tmi.ud = p_ud;
-	tmi.handler = p_handler->get_instance_ID();
-	tmi.callback = p_callback;
-	_tool_menu_insert_item(tmi);
-
-	_rebuild_tool_menu();
-}
-
-void EditorNode::add_tool_submenu_item(const String& p_name, PopupMenu *p_submenu) {
-
-	ERR_FAIL_COND(!p_submenu);
-	ERR_FAIL_COND(p_submenu->get_parent() != NULL);
-
-	ToolMenuItem tmi;
-	tmi.name = p_name;
-	tmi.submenu = p_submenu->get_name();
-	tmi.ud = Variant();
-	tmi.handler = -1;
-	tmi.callback = "";
-	_tool_menu_insert_item(tmi);
-
-	tool_menu->get_popup()->add_child(p_submenu);
-
-	_rebuild_tool_menu();
-}
-
-void EditorNode::remove_tool_menu_item(const String& p_name) {
-
-	for (int i = 0; i < tool_menu_items.size(); i++) {
-		if (tool_menu_items[i].name == p_name) {
-			String submenu = tool_menu_items[i].submenu;
-
-			if (submenu != "") {
-				Node *n = tool_menu->get_popup()->get_node(submenu);
-
-				if (n) {
-					tool_menu->get_popup()->remove_child(n);
-					memdelete(n);
-				}
-			}
-
-			tool_menu_items.remove(i);
-		}
-	}
-
-	_rebuild_tool_menu();
-}
 
 int EditorNode::build_callback_count=0;
 
@@ -5511,8 +5409,6 @@ EditorNode::EditorNode() {
 	docks_visible = true;
 
 
-	_initializing_tool_menu = true;
-
 	FileAccess::set_backup_save(true);
 
 	PathRemap::get_singleton()->clear_remaps(); //editor uses no remaps
@@ -5972,9 +5868,10 @@ EditorNode::EditorNode() {
 
 	//tool_menu->set_icon(gui_base->get_icon("Save","EditorIcons"));
 	left_menu_hb->add_child( tool_menu );
-	tool_menu->get_popup()->connect("id_pressed", this, "_menu_option");
 
-	add_tool_menu_item(TTR("Orphan Resource Explorer"), this, "_menu_option", TOOLS_ORPHAN_RESOURCES);
+	p=tool_menu->get_popup();
+	p->connect("id_pressed",this,"_menu_option");
+	p->add_item(TTR("Orphan Resource Explorer"),TOOLS_ORPHAN_RESOURCES);
 
 	export_button = memnew( ToolButton );
 	export_button->set_tooltip(TTR("Export the project to many platforms."));
@@ -6658,6 +6555,9 @@ EditorNode::EditorNode() {
 	add_editor_plugin( memnew( SpatialEditorPlugin(this) ) );
 	add_editor_plugin( memnew( ScriptEditorPlugin(this) ) );
 
+
+	EditorAudioBuses::register_editor();
+
 	ScriptTextEditor::register_editor(); //register one for text scripts
 
 	if (StreamPeerSSL::is_available()) {
@@ -6855,8 +6755,7 @@ EditorNode::EditorNode() {
 		_initializing_addons=false;
 	}
 
-	_initializing_tool_menu = false;
-	_rebuild_tool_menu();
+
 
 	_load_docks();
 
diff --git a/tools/editor/editor_plugin.cpp b/tools/editor/editor_plugin.cpp
index 69be7f8a4d..2f59b0bd07 100644
--- a/tools/editor/editor_plugin.cpp
+++ b/tools/editor/editor_plugin.cpp
@@ -136,7 +136,7 @@ void EditorPlugin::add_control_to_container(CustomControlContainer p_location,Co
 
 void EditorPlugin::add_tool_menu_item(const String& p_name, Object *p_handler, const String& p_callback, const Variant& p_ud) {
 
-	EditorNode::get_singleton()->add_tool_menu_item(p_name, p_handler, p_callback, p_ud);
+	//EditorNode::get_singleton()->add_tool_menu_item(p_name, p_handler, p_callback, p_ud);
 }
 
 void EditorPlugin::add_tool_submenu_item(const String& p_name, Object *p_submenu) {
@@ -144,12 +144,12 @@ void EditorPlugin::add_tool_submenu_item(const String& p_name, Object *p_submenu
 	ERR_FAIL_NULL(p_submenu);
 	PopupMenu *submenu = p_submenu->cast_to<PopupMenu>();
 	ERR_FAIL_NULL(submenu);
-	EditorNode::get_singleton()->add_tool_submenu_item(p_name, submenu);
+	//EditorNode::get_singleton()->add_tool_submenu_item(p_name, submenu);
 }
 
 void EditorPlugin::remove_tool_menu_item(const String& p_name) {
 
-	EditorNode::get_singleton()->remove_tool_menu_item(p_name);
+	//EditorNode::get_singleton()->remove_tool_menu_item(p_name);
 }
 
 Ref<SpatialEditorGizmo> EditorPlugin::create_spatial_gizmo(Spatial* p_spatial) {
@@ -371,9 +371,9 @@ void EditorPlugin::_bind_methods() {
 	ClassDB::bind_method(_MD("add_control_to_dock","slot","control:Control"),&EditorPlugin::add_control_to_dock);
 	ClassDB::bind_method(_MD("remove_control_from_docks","control:Control"),&EditorPlugin::remove_control_from_docks);
 	ClassDB::bind_method(_MD("remove_control_from_bottom_panel","control:Control"),&EditorPlugin::remove_control_from_bottom_panel);
-	ClassDB::bind_method(_MD("add_tool_menu_item", "name", "handler", "callback", "ud"),&EditorPlugin::add_tool_menu_item,DEFVAL(Variant()));
+	//ClassDB::bind_method(_MD("add_tool_menu_item", "name", "handler", "callback", "ud"),&EditorPlugin::add_tool_menu_item,DEFVAL(Variant()));
 	ClassDB::bind_method(_MD("add_tool_submenu_item", "name", "submenu:PopupMenu"),&EditorPlugin::add_tool_submenu_item);
-	ClassDB::bind_method(_MD("remove_tool_menu_item", "name"),&EditorPlugin::remove_tool_menu_item);
+	//ClassDB::bind_method(_MD("remove_tool_menu_item", "name"),&EditorPlugin::remove_tool_menu_item);
 	ClassDB::bind_method(_MD("add_custom_type","type","base","script:Script","icon:Texture"),&EditorPlugin::add_custom_type);
 	ClassDB::bind_method(_MD("remove_custom_type","type"),&EditorPlugin::remove_custom_type);
 	ClassDB::bind_method(_MD("get_editor_viewport:Control"), &EditorPlugin::get_editor_viewport);
diff --git a/tools/editor/icons/icon_audio_effect_amplify.png b/tools/editor/icons/icon_audio_effect_amplify.png
new file mode 100644
index 0000000000..9af3227d40
--- /dev/null
+++ b/tools/editor/icons/icon_audio_effect_amplify.png
diff --git a/tools/editor/icons/icon_bus_vu_db.png b/tools/editor/icons/icon_bus_vu_db.png
new file mode 100644
index 0000000000..52507cae52
--- /dev/null
+++ b/tools/editor/icons/icon_bus_vu_db.png
diff --git a/tools/editor/icons/icon_bus_vu_empty.png b/tools/editor/icons/icon_bus_vu_empty.png
new file mode 100644
index 0000000000..6fc3143a55
--- /dev/null
+++ b/tools/editor/icons/icon_bus_vu_empty.png
diff --git a/tools/editor/icons/icon_bus_vu_frozen.png b/tools/editor/icons/icon_bus_vu_frozen.png
new file mode 100644
index 0000000000..cf128afa91
--- /dev/null
+++ b/tools/editor/icons/icon_bus_vu_frozen.png
diff --git a/tools/editor/icons/icon_bus_vu_full.png b/tools/editor/icons/icon_bus_vu_full.png
new file mode 100644
index 0000000000..9e3d7a93e3
--- /dev/null
+++ b/tools/editor/icons/icon_bus_vu_full.png
diff --git a/tools/editor/icons/icon_vu_db.png b/tools/editor/icons/icon_vu_db.png
new file mode 100644
index 0000000000..405a929e2a
--- /dev/null
+++ b/tools/editor/icons/icon_vu_db.png