Gunk relays show connections in editor preview

assets/props/arrow/arrow.mtl

@@ -0,0 +1,2 @@
+# Blender 4.3.2 MTL File: 'arrow.blend'
+# www.blender.org

assets/props/arrow/arrow.obj

@@ -0,0 +1,218 @@
+# Blender 4.3.2
+# www.blender.org
+mtllib arrow.mtl
+o Cylinder
+v 0.000000 -0.010000 0.000000
+v 0.000000 -0.000000 -1.000000
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+vn -0.0000 -0.0000 -1.0000
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+vn -0.3114 -0.7518 0.5812
+vt 0.187500 0.875000
+vt 0.250000 0.875000
+vt 0.125000 0.875000
+vt 0.937500 0.875000
+vt 1.000000 0.875000
+vt 0.062500 0.875000
+vt 0.875000 0.875000
+vt 0.000000 0.875000
+vt 0.812500 0.875000
+vt 0.750000 0.875000
+vt 0.687500 0.875000
+vt 0.750000 0.490000
+vt 0.841844 0.471731
+vt 0.919706 0.419706
+vt 0.971731 0.341844
+vt 0.990000 0.250000
+vt 0.971731 0.158156
+vt 0.919706 0.080294
+vt 0.841844 0.028269
+vt 0.750000 0.010000
+vt 0.658156 0.028269
+vt 0.580294 0.080294
+vt 0.528269 0.158156
+vt 0.510000 0.250000
+vt 0.528269 0.341844
+vt 0.580294 0.419706
+vt 0.658156 0.471731
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+vt 0.312500 0.875000
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+vt 0.375000 0.875000
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+vt 0.250000 1.000000
+vt 0.187500 1.000000
+vt 0.125000 1.000000
+vt 0.062500 1.000000
+vt 0.000000 1.000000
+s 1
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assets/props/arrow/arrow.obj.import

@@ -0,0 +1,25 @@
+[remap]
+
+importer="wavefront_obj"
+importer_version=1
+type="Mesh"
+uid="uid://bgrutdse8bl8b"
+path="res://.godot/imported/arrow.obj-83d150d06243a45f3fe0fa868b4b6c85.mesh"
+
+[deps]
+
+files=["res://.godot/imported/arrow.obj-83d150d06243a45f3fe0fa868b4b6c85.mesh"]
+
+source_file="res://assets/props/arrow/arrow.obj"
+dest_files=["res://.godot/imported/arrow.obj-83d150d06243a45f3fe0fa868b4b6c85.mesh", "res://.godot/imported/arrow.obj-83d150d06243a45f3fe0fa868b4b6c85.mesh"]
+
+[params]
+
+generate_tangents=true
+generate_lods=true
+generate_shadow_mesh=true
+generate_lightmap_uv2=false
+generate_lightmap_uv2_texel_size=0.2
+scale_mesh=Vector3(1, 1, 1)
+offset_mesh=Vector3(0, 0, 0)
+force_disable_mesh_compression=false

levels/ghost_ship/ghost_ship_level.tscn

@@ -2066,7 +2066,7 @@ transform = Transform3D(0.965926, 0, 0.258819, 0, 1, 0, -0.258819, 0, 0.965926,
 transform = Transform3D(0.965925, 0, 0.258819, 0, 1, 0, -0.258819, 0, 0.965925, 2.02843, -0.4, -0.543522)
 
 [node name="GunkRelay4" parent="MessHall/Traps/Trap1" instance=ExtResource("39_6glsq")]
-transform = Transform3D(0.965925, 0, 0.258819, 0, 1, 0, -0.258819, 0, 0.965925, 2.97541, -0.4, -0.486683)
+transform = Transform3D(0.965925, 0, 0.258819, 0, 1, 0, -0.258819, 0, 0.965925, 2.9754, -0.4, -0.486691)
 
 [node name="GunkRelay5" parent="MessHall/Traps/Trap1" instance=ExtResource("39_6glsq")]
 transform = Transform3D(0.965925, 0, 0.258819, 0, 1, 0, -0.258819, 0, 0.965925, 3.379, -0.1, -1.3)

levels/mechanic_test/mechanic_test.tscn

@@ -133,7 +133,7 @@ data = PackedVector3Array(-1.5, 0, -6, -1.5, 0, 6, -1.5, 3, -6, -1.5, 3, -6, -1.
 script = ExtResource("1_bg05n")
 
 [node name="Player" parent="." instance=ExtResource("1_goufh")]
-transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0)
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1.65, 0)
 
 [node name="DirectionalLight3D" type="DirectionalLight3D" parent="."]
 transform = Transform3D(0.866025, -0.156955, -0.474726, 0.5, 0.271854, 0.82225, 0, -0.949453, 0.31391, 0, 0, 0)

levels/mechanic_test/signal_test.tscn

@@ -74,7 +74,7 @@ seamless = true
 seamless_blend_skirt = 0.5
 noise = ExtResource("3_e8utx")
 
-[sub_resource type="ShaderMaterial" id="ShaderMaterial_awnx0"]
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_e8utx"]
 resource_local_to_scene = true
 render_priority = 0
 shader = ExtResource("2_tfbib")
@@ -142,7 +142,7 @@ _surfaces = [{
 blend_shape_mode = 0
 shadow_mesh = SubResource("ArrayMesh_tfbib")
 
-[sub_resource type="ShaderMaterial" id="ShaderMaterial_tfbib"]
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_r07l4"]
 resource_local_to_scene = true
 render_priority = 0
 shader = ExtResource("2_tfbib")
@@ -196,7 +196,7 @@ _surfaces = [{
 blend_shape_mode = 0
 shadow_mesh = SubResource("ArrayMesh_r07l4")
 
-[sub_resource type="ShaderMaterial" id="ShaderMaterial_e8utx"]
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_67o2j"]
 resource_local_to_scene = true
 render_priority = 0
 shader = ExtResource("2_tfbib")
@@ -228,7 +228,7 @@ skeleton = NodePath("GunkBody")
 
 [node name="GunkBody" parent="TriggerNetWall" instance=ExtResource("1_3u410")]
 mask_dim = 64
-source_gunk_material = SubResource("ShaderMaterial_awnx0")
+source_gunk_material = SubResource("ShaderMaterial_e8utx")
 
 [node name="CollisionShape3D" type="CollisionShape3D" parent="TriggerNetWall/GunkBody"]
 shape = SubResource("ConcavePolygonShape3D_x2vho")
@@ -263,7 +263,7 @@ skeleton = NodePath("GunkBody")
 
 [node name="GunkBody" parent="PulseNetWall" instance=ExtResource("1_3u410")]
 mask_dim = 64
-source_gunk_material = SubResource("ShaderMaterial_tfbib")
+source_gunk_material = SubResource("ShaderMaterial_r07l4")
 
 [node name="CollisionShape3D" type="CollisionShape3D" parent="PulseNetWall/GunkBody"]
 shape = SubResource("ConcavePolygonShape3D_x2vho")
@@ -300,7 +300,7 @@ mesh = SubResource("ArrayMesh_67o2j")
 
 [node name="GunkBody" parent="ListenerWall" instance=ExtResource("1_3u410")]
 mask_dim = 64
-source_gunk_material = SubResource("ShaderMaterial_e8utx")
+source_gunk_material = SubResource("ShaderMaterial_67o2j")
 
 [node name="CollisionShape3D" type="CollisionShape3D" parent="ListenerWall/GunkBody"]
 shape = SubResource("ConcavePolygonShape3D_x2vho")

src/util/editor_arrow/editor_arrow.gd

@@ -0,0 +1,23 @@
+@tool
+class_name EditorArrow extends MeshInstance3D
+
+const SCALE_BUFFER := 0.1
+
+@export var target: Node3D
+
+var cached_target_position: Vector3
+var cached_position: Vector3
+
+
+func _process(_delta: float) -> void:
+	if (
+		is_instance_valid(target)
+		and (global_position != cached_position or target.global_position != cached_target_position)
+	):
+		var up := global_basis.y
+		if up.cross(target.global_position).length_squared() < 0.001:
+			up = global_basis.x
+		look_at(target.global_position, up)
+		scale.z = max(0.001, global_position.distance_to(target.global_position) - SCALE_BUFFER)
+		cached_target_position = target.global_position
+		cached_position = global_position

src/util/editor_arrow/editor_arrow.gd.uid

@@ -0,0 +1 @@
+uid://civv6xocvw6gp

src/util/editor_arrow/editor_arrow.gd~

@@ -0,0 +1,12 @@
+@tool
+class_name EditorArrow extends MeshInstance3D
+
+@export var target: Node3D
+
+
+func _process(_delta: float) -> void:
+	if is_instance_valid(target):
+		look_at(target.global_position, global_basis.y)
+		scale.z = global_position.distance_to(target.global_position)
+	else:
+		queue_free()

src/util/editor_arrow/editor_arrow.tscn

@@ -0,0 +1,14 @@
+[gd_scene load_steps=4 format=3 uid="uid://ghdsr1b4hpr8"]
+
+[ext_resource type="ArrayMesh" uid="uid://bgrutdse8bl8b" path="res://assets/props/arrow/arrow.obj" id="1_a3lat"]
+[ext_resource type="Script" uid="uid://civv6xocvw6gp" path="res://src/util/editor_arrow/editor_arrow.gd" id="2_yk3bx"]
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_yk3bx"]
+transparency = 1
+shading_mode = 0
+albedo_color = Color(0, 1, 1, 0.501961)
+
+[node name="EditorArrow" type="MeshInstance3D"]
+mesh = ExtResource("1_a3lat")
+surface_material_override/0 = SubResource("StandardMaterial3D_yk3bx")
+script = ExtResource("2_yk3bx")

src/world/mechanics/relay/gunk_relay.gd

@@ -11,11 +11,16 @@ signal pulsed
 @export var quick_connect_to: SignalNode:
 	set = _editor_connect
 
+@export var editor_arrow_scene: PackedScene
+
 var _busy := false
 
+var _editor_arrows: Dictionary[SignalNode, EditorArrow] = {}
+
 @onready var animation_player: AnimationPlayer = %AnimationPlayer
 @onready var trigger_delay: Timer = %TriggerDelay
 @onready var pulse_delay: Timer = %PulseDelay
+@onready var editor_connections: Node3D = %EditorConnections
 
 
 ## Trigger this relay.
@@ -70,3 +75,25 @@ func _editor_connect(node: SignalNode) -> void:
 	self.triggered.connect(node.trigger, CONNECT_PERSIST)
 	self.pulsed.connect(node.trigger, CONNECT_PERSIST)
 	self.notify_property_list_changed()
+
+
+func _process(delta: float) -> void:
+	super._process(delta)
+	if not Engine.is_editor_hint():
+		return
+
+	# Check connections
+	for conn: Dictionary in triggered.get_connections():
+		var callable: Callable = conn.get("callable")
+		if callable and callable.get_object() is SignalNode:
+			var target: SignalNode = callable.get_object()
+			if target != self and not target in _editor_arrows:
+				var instance: EditorArrow = editor_arrow_scene.instantiate()
+				instance.target = target
+				editor_connections.add_child(instance)
+				_editor_arrows[target] = instance
+
+	for target: SignalNode in _editor_arrows.keys():
+		if not is_instance_valid(target):
+			_editor_arrows[target].queue_free()
+			_editor_arrows.erase(target)

src/world/mechanics/relay/gunk_relay.tscn

@@ -1,7 +1,8 @@
-[gd_scene load_steps=10 format=3 uid="uid://bttust5ohud8e"]
+[gd_scene load_steps=11 format=3 uid="uid://bttust5ohud8e"]
 
 [ext_resource type="Script" uid="uid://1oup50bp0pwd" path="res://src/world/mechanics/relay/gunk_relay.gd" id="1_rdv5j"]
 [ext_resource type="Script" uid="uid://bukihqt1lybnx" path="res://src/util/frame_skipper.gd" id="2_ipm58"]
+[ext_resource type="PackedScene" uid="uid://ghdsr1b4hpr8" path="res://src/util/editor_arrow/editor_arrow.tscn" id="2_nfkbq"]
 
 [sub_resource type="StandardMaterial3D" id="StandardMaterial3D_gk1l0"]
 resource_local_to_scene = true
@@ -111,6 +112,7 @@ _data = {
 [node name="GunkRelay" type="StaticBody3D"]
 collision_layer = 5
 script = ExtResource("1_rdv5j")
+editor_arrow_scene = ExtResource("2_nfkbq")
 value = 800.0
 
 [node name="MeshInstance3D" type="MeshInstance3D" parent="."]
@@ -142,5 +144,8 @@ libraries = {
 }
 speed_scale = 4.0
 
+[node name="EditorConnections" type="Node3D" parent="."]
+unique_name_in_owner = true
+
 [connection signal="timeout" from="TriggerDelay" to="." method="_on_trigger_delay_timeout"]
 [connection signal="timeout" from="PulseDelay" to="." method="_on_pulse_delay_timeout"]