Add debug foundation

godot/scenes/debug/DebugSandbox.tscn

@@ -0,0 +1,63 @@
+[gd_scene load_steps=3 format=3 uid="uid://c6qvx8j8iodlo"]
+
+[ext_resource type="Script" path="res://scripts/debug/DebugSandboxController.cs" id="1_debug_sandbox"]
+[ext_resource type="Script" path="res://scripts/debug/DebugPanelController.cs" id="2_debug_panel"]
+
+[node name="DebugSandbox" type="Control"]
+process_mode = 3
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+script = ExtResource("1_debug_sandbox")
+
+[node name="Main" type="HBoxContainer" parent="."]
+layout_mode = 1
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+offset_left = 16.0
+offset_top = 16.0
+offset_right = -16.0
+offset_bottom = -16.0
+grow_horizontal = 2
+grow_vertical = 2
+
+[node name="DebugPanel" type="PanelContainer" parent="Main"]
+process_mode = 3
+layout_mode = 2
+custom_minimum_size = Vector2(200, 0)
+script = ExtResource("2_debug_panel")
+
+[node name="Playfield" type="PanelContainer" parent="Main"]
+layout_mode = 2
+size_flags_horizontal = 3
+
+[node name="PlayfieldContent" type="VBoxContainer" parent="Main/Playfield"]
+layout_mode = 2
+
+[node name="Title" type="Label" parent="Main/Playfield/PlayfieldContent"]
+layout_mode = 2
+text = "Debug Sandbox"
+
+[node name="StateLabel" type="Label" parent="Main/Playfield/PlayfieldContent"]
+layout_mode = 2
+text = "State"
+
+[node name="MarkerLabel" type="Label" parent="Main/Playfield/PlayfieldContent"]
+layout_mode = 2
+text = "Marker: none"
+
+[node name="SpawnedActors" type="VBoxContainer" parent="Main/Playfield/PlayfieldContent"]
+layout_mode = 2
+size_flags_vertical = 3
+
+[node name="LogScroll" type="ScrollContainer" parent="Main"]
+layout_mode = 2
+custom_minimum_size = Vector2(360, 0)
+
+[node name="LogLabel" type="Label" parent="Main/LogScroll"]
+layout_mode = 2
+text = ""