diff --git a/godot/main/editor.gd b/godot/main/editor.gd
index 169f987..62a15e2 100644
--- a/godot/main/editor.gd
+++ b/godot/main/editor.gd
@@ -31,6 +31,15 @@ func _ready():
 	$"%line_cursor".hide()
 #	$"%building_type".connect("item_selected", self, "change_building_type")
 
+var ignore_events = [
+	"result:get_closest_building",
+	"mouse_drag",
+	"mouse_press",
+	"mouse_drag_on",
+	"mouse_drag_off",
+	"line_cursor_motion",
+	"button:create_building"
+]
 func editor_event(evname: String, args: Array):
 	print(evname, args)
 	if evname == "mode_change_pre":
@@ -48,10 +57,6 @@ func editor_event(evname: String, args: Array):
 				$WorldEditor.editor_command("get_building_types", [])
 			elif mode_next == 6:
 				$WorldEditor.editor_command("get_lines_list", [])
-	elif evname == "result:get_closest_building":
-		pass
-#		print(evname, args)
-#		select_building(args[0], args[3], args[4])
 	elif evname == "result:get_building_types":
 		print(evname, args)
 		var btypes = args[0]
@@ -63,17 +68,7 @@ func editor_event(evname: String, args: Array):
 		$Area.global_transform.origin.z = $Camera.global_transform.origin.z
 #	elif evname == "edit_update_building":
 #		check_edit_building()
-	elif evname == "mouse_press":
-		pass
-#		mouse_press(args[0])
-	elif evname == "mouse_drag":
-		pass
-#		mouse_drag(args[0])
-	elif evname == "mouse_drag_on":
-		pass
-	elif evname == "mouse_drag_off":
-		pass
-	elif evname == "line_cursor_motion":
+	elif evname in ignore_events:
 		pass
 	else:
 		breakpoint
diff --git a/src/modules/stream/buildings_editor.cpp b/src/modules/stream/buildings_editor.cpp
index b0d36f7..7b59028 100644
--- a/src/modules/stream/buildings_editor.cpp
+++ b/src/modules/stream/buildings_editor.cpp
@@ -6,6 +6,7 @@
 #include <scene/3d/camera.h>
 #include <modules/voxel/terrain/voxel_lod_terrain.h>
 #include <modules/imgmapper/voxel_generator_imgmapper.h>
+#include "from_string.h"
 #include "world_editor.h"
 #include "buildings_editor.h"
 
@@ -53,6 +54,51 @@ protected:
 			&HandleChangeBuildingType::change_building_type);
 	}
 };
+class HandleButton : public Object {
+	GDCLASS(HandleButton, Object)
+	BuildingsEditor *editor;
+	String button_path;
+	String event_string;
+	Array event_args;
+	Button *get_button()
+	{
+		Button *button = editor->get_as_node<Button>(button_path);
+		assert(button);
+		return button;
+	}
+	void button_handler()
+	{
+		editor->emit("button:" + event_string, event_args);
+	}
+
+public:
+	HandleButton(BuildingsEditor *editor, const String &button_path,
+		     const String &event_string,
+		     const Array &event_args = Array())
+		: Object()
+		, editor(editor)
+		, button_path(button_path)
+		, event_string(event_string)
+		, event_args(event_args)
+	{
+		if (!get_button()->is_connected("pressed", this,
+						"button_handler"))
+			get_button()->connect("pressed", this,
+					      "button_handler");
+	}
+	virtual ~HandleButton()
+	{
+		if (get_button()->is_connected("pressed", this,
+					       "button_handler"))
+			get_button()->disconnect("pressed", this,
+						 "button_handler");
+	}
+	static void _bind_methods()
+	{
+		ClassDB::bind_method(D_METHOD("button_handler"),
+				     &HandleButton::button_handler);
+	}
+};
 
 class HandleDeleteButton : public Object {
 	GDCLASS(HandleDeleteButton, Object)
@@ -92,8 +138,8 @@ public:
 			&HandleDeleteButton::delete_building_handler);
 	}
 };
-static HandleChangeBuildingType *change_building_type_handler = nullptr;
 static HandleDeleteButton *delete_button_handler = nullptr;
+static std::vector<Object *> ui_handlers;
 
 BuildingsEditor::BuildingsEditor(WorldEditor *editor)
 	: editor(editor)
@@ -111,26 +157,30 @@ void BuildingsEditor::activate()
 {
 	assert(!active);
 	editor->event.add_listener(this, &BuildingsEditor::event_handler);
-	if (!change_building_type_handler)
-		change_building_type_handler =
-			memnew(HandleChangeBuildingType(this));
+	Array args;
+	ui_handlers.push_back(memnew(HandleButton(
+		this, "%buildings_create_building", "create_building", args)));
+	ui_handlers.push_back(memnew(HandleChangeBuildingType(this)));
+	int i;
+	for (i = 0; i < (int)ui_handlers.size(); i++)
+		assert(ui_handlers[i]);
 	if (!delete_button_handler)
 		delete_button_handler = memnew(HandleDeleteButton(this));
-	assert(change_building_type_handler && delete_button_handler);
+	assert(delete_button_handler);
 	active = true;
 }
 
 void BuildingsEditor::deactivate()
 {
 	assert(active);
-	if (change_building_type_handler) {
-		memdelete(change_building_type_handler);
-		change_building_type_handler = nullptr;
-	}
 	if (delete_button_handler) {
 		memdelete(delete_button_handler);
 		delete_button_handler = nullptr;
 	}
+	int i;
+	for (i = 0; i < (int)ui_handlers.size(); i++)
+		memdelete(ui_handlers[i]);
+	ui_handlers.clear();
 	editor->event.remove_listener(this, &BuildingsEditor::event_handler);
 	active = false;
 }
@@ -141,6 +191,8 @@ void BuildingsEditor::event_handler(const String &event, const Array &args)
 		mouse_drag(args[0]);
 	else if (event == "mouse_press")
 		mouse_press(args[0]);
+	else if (event == "button:create_building")
+		handle_create_building();
 	else if (event == "result:get_closest_building") {
 		select_building(args[0], args[3], args[4]);
 		if (get_buildings_editor_mode() == 2 /* rotate */) {
@@ -152,6 +204,29 @@ void BuildingsEditor::event_handler(const String &event, const Array &args)
 	print_line("buildings::" + event);
 }
 
+void BuildingsEditor::handle_create_building()
+{
+	print_line("create_building");
+	int bmode = get_buildings_editor_mode();
+	assert(bmode == 3);
+	OptionButton *building_type =
+		get_as_node<OptionButton>("%building_type");
+	int index = building_type->get_selected();
+	if (index >= 0) {
+		const String &item = building_type->get_item_text(index);
+		Array args;
+		Transform xform = get_as_node<Spatial>("%building_cursor")
+					  ->get_global_transform();
+		Dictionary building_data;
+		/* FIXME: calculate AABBs as in previous editor */
+		building_data["id"] = item;
+		String building_key = to_string<Transform>(xform);
+		args.push_back(building_data);
+		args.push_back(building_key);
+		editor->editor_command("create_building", args);
+	}
+}
+
 template <class T>
 inline void BuildingsEditor::mode_visibility(int mode, const String &path)
 {
@@ -372,6 +447,11 @@ void BuildingsEditor::change_building_type(const String &type_name)
 	editor->editor_command("change_building_type", args);
 }
 
+void BuildingsEditor::emit(const String &event_string, const Array &event_args)
+{
+	editor->event.emit(event_string, event_args);
+}
+
 void BuildingsEditor::remove_buildings_by_prefix(const String &prefix)
 {
 	Array args;
diff --git a/src/modules/stream/buildings_editor.h b/src/modules/stream/buildings_editor.h
index 78954ee..6e31199 100644
--- a/src/modules/stream/buildings_editor.h
+++ b/src/modules/stream/buildings_editor.h
@@ -11,6 +11,7 @@ class BuildingsEditor {
 	void deactivate();
 	void event_handler(const String &event, const Array &args);
 	template <class T> void mode_visibility(int mode, const String &path);
+	void handle_create_building();
 
 public:
 	BuildingsEditor(WorldEditor *editor);
@@ -27,6 +28,7 @@ public:
 	void editor_command(const String &command, const Array &args);
 	void delete_building_handler();
 	void change_building_type(const String &type_name);
+	void emit(const String &event_string, const Array &event_args);
 	template <class T> T *get_as_node(const String &path);
 	template <class T> const T *get_as_node(const String &path) const;
 	Node *scene();
diff --git a/src/modules/stream/world_editor.cpp b/src/modules/stream/world_editor.cpp
index 0608920..f97f526 100644
--- a/src/modules/stream/world_editor.cpp
+++ b/src/modules/stream/world_editor.cpp
@@ -245,6 +245,9 @@ void WorldEditor::editor_command(const String &command, const Array &args)
 	} else if (command == "remove_buildings_by_prefix") {
 		if (stream_world)
 			stream_world->run_command(command, args);
+	} else if (command == "create_building") {
+		if (stream_world)
+			stream_world->run_command(command, args);
 	} else {
 		if (road_lines_editor)
 			road_lines_editor->editor_command(command, args);