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Lazy graph connections #1115

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c528a2a
add lazy linking for graph panel
williamchange Aug 31, 2025
297f584
support grayscale tex_3d mixing
williamchange Apr 24, 2026
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6 changes: 6 additions & 0 deletions material_maker/doc/user_interface_shortcuts.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -124,6 +124,12 @@ Graph Editor
+-------------------------------------------------------+----------------------------------------------------+
| :kbd:`Ctrl/Cmd-Shift-Z` | Redo |
+-------------------------------------------------------+----------------------------------------------------+
| :kbd:`Alt-RMB` | Lazy link |
+-------------------------------------------------------+----------------------------------------------------+
| :kbd:`Shift-Alt-RMB` | Lazy link (with link picking) |
+-------------------------------------------------------+----------------------------------------------------+
| :kbd:`Ctrl/Cmd-Alt-RMB` | Lazy mix |
+-------------------------------------------------------+----------------------------------------------------+

Nodes
+++++
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14 changes: 14 additions & 0 deletions material_maker/panels/graph_edit/graph_edit.gd
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Original file line number Diff line number Diff line change
Expand Up @@ -363,6 +363,20 @@ func _draw() -> void:
MMGraphPortal.draw_links(self)

# Misc. useful functions

func get_closest_node_at_point(point: Vector2) -> GraphNode:
var closest_dist : float = INF
var closest_node : GraphNode
for node in get_children():
if node is GraphNode:
var node_rect : Rect2 = node.get_rect()
var dist : float = point.clamp(node_rect.position,
node_rect.size + node_rect.position).distance_squared_to(point)
if dist < closest_dist:
closest_dist = dist
closest_node = node
return closest_node

func get_source(node, port) -> Dictionary:
for c in get_connection_list():
if c.to_node == node and c.to_port == port:
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28 changes: 16 additions & 12 deletions material_maker/panels/graph_edit/graph_edit.tscn
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Original file line number Diff line number Diff line change
@@ -1,9 +1,10 @@
[gd_scene load_steps=8 format=3 uid="uid://dy1u50we7gtru"]
[gd_scene format=3 uid="uid://dy1u50we7gtru"]

[ext_resource type="Script" uid="uid://dkp4w3at1o6cm" path="res://material_maker/panels/graph_edit/graph_edit.gd" id="1"]
[ext_resource type="Texture2D" uid="uid://c0j4px4n72di5" path="res://material_maker/icons/icons.tres" id="2"]
[ext_resource type="Script" uid="uid://bne3k0g56crmy" path="res://material_maker/tools/undo_redo/undo_redo.gd" id="3"]
[ext_resource type="PackedScene" uid="uid://buj231c2gxm4o" path="res://material_maker/widgets/desc_button/desc_button.tscn" id="4"]
[ext_resource type="PackedScene" uid="uid://bd3ummbwaq3i" path="res://material_maker/panels/graph_edit/lazy_link/lazy_link.tscn" id="5_u5byk"]

[sub_resource type="AtlasTexture" id="3"]
atlas = ExtResource("2")
Expand All @@ -17,7 +18,7 @@ region = Rect2(15.4016, 47.1451, 16.7512, 17.8319)
atlas = ExtResource("2")
region = Rect2(0, 48, 16, 16)

[node name="GraphEdit" type="GraphEdit" groups=["mm_graphedit"]]
[node name="GraphEdit" type="GraphEdit" unique_id=40283213 groups=["mm_graphedit"]]
anchors_preset = 15
anchor_right = 1.0
anchor_bottom = 1.0
Expand All @@ -34,11 +35,11 @@ show_menu = false
show_zoom_label = true
script = ExtResource("1")

[node name="Timer" type="Timer" parent="."]
[node name="Timer" type="Timer" parent="." unique_id=2032959171]
wait_time = 0.2
one_shot = true

[node name="GraphUI" type="HBoxContainer" parent="."]
[node name="GraphUI" type="HBoxContainer" parent="." unique_id=553812488]
top_level = true
custom_minimum_size = Vector2(0, 25)
layout_mode = 1
Expand All @@ -51,43 +52,46 @@ offset_bottom = 31.0
grow_horizontal = 0
alignment = 2

[node name="SubGraphUI" type="HBoxContainer" parent="GraphUI"]
[node name="SubGraphUI" type="HBoxContainer" parent="GraphUI" unique_id=1647006840]
layout_mode = 2
size_flags_horizontal = 9

[node name="Label" type="LineEdit" parent="GraphUI/SubGraphUI"]
[node name="Label" type="LineEdit" parent="GraphUI/SubGraphUI" unique_id=1832306241]
custom_minimum_size = Vector2(150, 0)
layout_mode = 2
size_flags_horizontal = 9

[node name="Description" parent="GraphUI/SubGraphUI" instance=ExtResource("4")]
[node name="Description" parent="GraphUI/SubGraphUI" unique_id=493781275 instance=ExtResource("4")]
layout_mode = 2

[node name="ButtonTransmitsSeed" type="Button" parent="GraphUI/SubGraphUI"]
[node name="ButtonTransmitsSeed" type="Button" parent="GraphUI/SubGraphUI" unique_id=2053263820]
layout_mode = 2
size_flags_horizontal = 9
tooltip_text = "Affect children seeds"
toggle_mode = true
icon = SubResource("3")

[node name="ButtonUp" type="Button" parent="GraphUI/SubGraphUI"]
[node name="ButtonUp" type="Button" parent="GraphUI/SubGraphUI" unique_id=1330694184]
layout_mode = 2
size_flags_horizontal = 9
tooltip_text = "Back to parent"
icon = SubResource("4")

[node name="ButtonShowTree" type="Button" parent="GraphUI"]
[node name="ButtonShowTree" type="Button" parent="GraphUI" unique_id=13835757]
layout_mode = 2
tooltip_text = "Show hierarchy"
icon = SubResource("5")

[node name="Control" type="Control" parent="GraphUI"]
[node name="Control" type="Control" parent="GraphUI" unique_id=484165793]
custom_minimum_size = Vector2(14, 0)
layout_mode = 2

[node name="UndoRedo" type="Node" parent="."]
[node name="UndoRedo" type="Node" parent="." unique_id=45519432]
script = ExtResource("3")

[node name="LazyLink" parent="." unique_id=1711863233 instance=ExtResource("5_u5byk")]
layout_mode = 1

[connection signal="connection_drag_ended" from="." to="." method="_on_connection_drag_ended"]
[connection signal="connection_drag_started" from="." to="." method="_on_connection_drag_started"]
[connection signal="connection_from_empty" from="." to="." method="request_popup" binds= [true]]
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