add duplicating nodes

classes/deck/deck.gd

@@ -258,16 +258,16 @@ func paste_nodes_from_dict(nodes: Dictionary, position: Vector2 = Vector2()) ->
 
 		var outgoing_connections: Dictionary = nodes.nodes[node_id].outgoing_connections as Dictionary
 		var outgoing_connections_res := {}
-		for from_port: String in outgoing_connections:
+		for from_port in outgoing_connections:
 			outgoing_connections_res[from_port] = {}
-			for to_node_id: String in outgoing_connections[from_port]:
+			for to_node_id in outgoing_connections[from_port]:
 				outgoing_connections_res[from_port][ids_map[to_node_id]] = outgoing_connections[from_port][to_node_id]
 
 		var incoming_connections: Dictionary = nodes.nodes[node_id].incoming_connections as Dictionary
 		var incoming_connections_res := {}
-		for to_port: String in incoming_connections:
+		for to_port in incoming_connections:
 			incoming_connections_res[to_port] = {}
-			for from_node_id: String in incoming_connections[to_port]:
+			for from_node_id in incoming_connections[to_port]:
 				incoming_connections_res[to_port][ids_map[from_node_id]] = incoming_connections[to_port][from_node_id]
 
 		nodes.nodes[node_id].outgoing_connections = outgoing_connections_res
@@ -281,6 +281,15 @@ func paste_nodes_from_json(json: String, position: Vector2 = Vector2()) -> void:
 	paste_nodes_from_dict(JSON.parse_string(json), position)
 
 
+func duplicate_nodes(nodes: Array[String]) -> void:
+	if nodes.is_empty():
+		return
+
+	var position := get_node(nodes[0]).position_as_vector2() + Vector2(50, 50)
+	var d := copy_nodes(nodes)
+	paste_nodes_from_dict(d, position)
+
+
 ## Returns a [Dictionary] representation of this deck.
 func to_dict(with_meta: bool = true) -> Dictionary:
 	var inner := {

classes/deck/deck_node.gd

@@ -284,16 +284,16 @@ static func from_dict(data: Dictionary) -> DeckNode:
 
 	node._pre_connection()
 
-	for from_port: String in data.outgoing_connections:
+	for from_port in data.outgoing_connections:
 		var connection_data: Dictionary = data.outgoing_connections[from_port]
 		node.outgoing_connections[int(from_port)] = {}
-		for to_node: String in connection_data:
+		for to_node in connection_data:
 			var input_ports: Array = connection_data[to_node]
 			node.outgoing_connections[int(from_port)][to_node] = []
 			for to_input_port in input_ports:
 				node.outgoing_connections[int(from_port)][to_node].append(int(to_input_port))
 
-	for to_port: String in data.incoming_connections:
+	for to_port in data.incoming_connections:
 		var connection_data = data.incoming_connections[to_port]
 		for connection in connection_data:
 			connection_data[connection] = int(connection_data[connection])

graph_node_renderer/deck_renderer_graph_edit.gd

@@ -259,3 +259,17 @@ func _on_paste_nodes_request() -> void:
 		node_pos = node_pos.snapped(Vector2(snapping_distance, snapping_distance))
 
 	deck.paste_nodes_from_json(clip, node_pos)
+
+
+func _on_duplicate_nodes_request() -> void:
+	var selected := get_selected_nodes()
+	if selected.is_empty():
+		return
+
+	var selected_ids: Array[String]
+	selected_ids.assign(selected.map(
+		func(x: DeckNodeRendererGraphNode):
+			return x.node._id
+			))
+
+	deck.duplicate_nodes(selected_ids)

graph_node_renderer/deck_renderer_graph_edit.tscn

@@ -14,6 +14,7 @@ script = ExtResource("1_pojfs")
 
 [connection signal="copy_nodes_request" from="." to="." method="_on_copy_nodes_request"]
 [connection signal="delete_nodes_request" from="." to="." method="_on_delete_nodes_request"]
+[connection signal="duplicate_nodes_request" from="." to="." method="_on_duplicate_nodes_request"]
 [connection signal="paste_nodes_request" from="." to="." method="_on_paste_nodes_request"]
 [connection signal="popup_request" from="." to="." method="_on_popup_request"]
 [connection signal="scroll_offset_changed" from="." to="." method="_on_scroll_offset_changed"]