Created
August 16, 2018 17:54
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Godot - GraphEdits, GraphNodes, and PopupMenus at runtime
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# Ref : https://www.reddit.com/r/godot/comments/7bi5uf/generating_a_scene_tree_dynamically/ | |
# Create a root Node and name is DynamicNodeGraph | |
extends Node | |
var RootNode | |
var SomeGraphEdit | |
var SomePopupMenu | |
var SomePopupMenuVisible = false | |
var RMBPressed = false | |
func _menu_item_pressed(ID): | |
print("Menu Item Pressed: ", SomePopupMenu.get_item_text(ID)) | |
if(SomePopupMenu.get_item_text(ID) == "Quit"): | |
get_tree().quit() | |
if(SomePopupMenu.get_item_text(ID) == "Add Node"): | |
var SomeGraphNode = GraphNode.new() | |
SomeGraphNode.rect_position = get_viewport().get_mouse_position() | |
SomeGraphNode.rect_min_size = Vector2(160, 120) | |
SomeGraphNode.set_slot(0, true, 0, Color(0.0, 1.0, 1.0, 1.0), true, 0, Color(1.0, 0.0, 0.0, 1.0)) | |
SomeGraphNode.set_slot(1, false, 1, Color(1.0, 0.0, 1.0, 1.0), true, 2, Color(0.0, 1.0, 0.0, 1.0)) | |
SomeGraphNode.set_slot(2, true, 2, Color(1.0, 1.0, 0.0, 1.0), true, 1, Color(0.0, 0.0, 1.0, 1.0)) | |
var SomeLabel1 = Label.new() | |
SomeLabel1.set_text("Slot 1") | |
SomeGraphNode.add_child(SomeLabel1) | |
var SomeLabel2 = Label.new() | |
SomeLabel2.set_text("Slot 2") | |
SomeGraphNode.add_child(SomeLabel2) | |
var SomeLabel3 = Label.new() | |
SomeLabel3.set_text("Slot 3") | |
SomeGraphNode.add_child(SomeLabel3) | |
SomeGraphNode.set_title("Node Title") | |
SomeGraphEdit.add_child(SomeGraphNode) | |
func _node_connection_request(from, from_port, to, to_port): | |
SomeGraphEdit.connect_node(from, from_port, to, to_port) | |
func _init(): | |
SomeGraphEdit = GraphEdit.new() | |
SomeGraphEdit.set_name("SomeGraphEdit") | |
SomeGraphEdit.set_anchor(MARGIN_RIGHT, SomeGraphEdit.ANCHOR_END, false) | |
SomeGraphEdit.set_anchor(MARGIN_BOTTOM, SomeGraphEdit.ANCHOR_END, false) | |
SomeGraphEdit.set_h_size_flags(3) | |
SomeGraphEdit.set_v_size_flags(3) | |
SomeGraphEdit.margin_top = 20 | |
SomeGraphEdit.margin_left = 20 | |
SomeGraphEdit.margin_right = -20 | |
SomeGraphEdit.margin_bottom = -20 | |
SomeGraphEdit.connect("connection_request", self, "_node_connection_request") | |
SomePopupMenu = PopupMenu.new() | |
SomePopupMenu.set_name("SomePopupMenu") | |
SomePopupMenu.add_item("New") | |
SomePopupMenu.add_item("Load") | |
SomePopupMenu.add_item("Save") | |
SomePopupMenu.add_separator() | |
SomePopupMenu.add_item("Add Node") | |
SomePopupMenu.add_separator() | |
SomePopupMenu.add_item("Simulate") | |
SomePopupMenu.add_separator() | |
SomePopupMenu.add_item("Quit") | |
SomePopupMenu.connect("id_pressed", self, "_menu_item_pressed") | |
SomeGraphEdit.add_child(SomePopupMenu) | |
func _ready(): | |
RootNode = get_node("/root/DynamicNodeGraph") | |
RootNode.add_child(SomeGraphEdit) | |
SomeGraphEdit.set_scroll_ofs(Vector2(-400, -230)) | |
func _input(event): | |
if(Input.is_action_pressed("ui_up")): | |
SomePopupMenu.rect_position = get_viewport().get_mouse_position() | |
SomePopupMenu.popup(); |
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