add a bottom dock (#44)

- moves the console to the new bottom dock
- adds a deck variables inspector to the bottom dock that allows adding, removing and editing variables of the currently open deck
- bottom dock can be opened with <kbd>N</kbd>

closes #33

Reviewed-on: https://codeberg.org/Eroax/StreamGraph/pulls/44
Co-authored-by: Lera Elvoé <yagich@poto.cafe>
Co-committed-by: Lera Elvoé <yagich@poto.cafe>

classes/deck/deck.gd

@@ -44,6 +44,8 @@ signal node_added(node: DeckNode)
 signal node_removed(node: DeckNode)
 ## Emitted when nodes have been disconnected
 signal nodes_disconnected(from_node_id: String, to_node_id: String, from_output_port: int, to_input_port: int)
+## Emitted when the [member variable_stack] has been modified.
+signal variables_updated()
 
 #region group signals
 signal node_added_to_group(node: DeckNode, assign_id: String, assign_to_self: bool, deck: Deck)
@@ -196,6 +198,21 @@ func remove_node(uuid: String, remove_connections: bool = false, force: bool = f
 		node_removed_from_group.emit(uuid, remove_connections, self)
 
 
+## Set a variable on this deck.
+func set_variable(var_name: String, value: Variant) -> void:
+	variable_stack[var_name] = value
+	variables_updated.emit()
+
+
+func update_variable(old_name: String, new_name: String, new_value: Variant) -> void:
+	variable_stack.erase(old_name)
+	variable_stack[new_name] = new_value
+
+
+func remove_variable(name: String) -> void:
+	variable_stack.erase(name)
+
+
 ## Group the [param nodes_to_group] into a new deck and return it.
 ## Returns [code]null[/code] on failure.[br]
 ## Adds a group node to this deck, and adds group input and output nodes in the group.

classes/deck/nodes/delay.gd

@@ -34,7 +34,7 @@ func handle_delay(data):
 
 
 	#print("Delay over")
-	send(0, data)
+	send.call_deferred(0, data)
 
 
 func _notification(what):

classes/deck/nodes/set_deck_var.gd

@@ -42,7 +42,8 @@ func _receive(to_input_port: int, _data: Variant, _extra_data: Array = []) -> vo
 	var var_name: String = resolve_input_port_value(0)
 	var var_value: Variant = resolve_input_port_value(1)
 
-	_belonging_to.variable_stack[var_name] = var_value
+	#_belonging_to.variable_stack[var_name] = var_value
+	_belonging_to.set_variable(var_name, var_value)
 
 	send(0, var_value)
 

classes/types/deck_type.gd

@@ -29,6 +29,14 @@ const GODOT_TYPES_MAP := {
 	Types.DICTIONARY: TYPE_DICTIONARY,
 }
 
+const INVERSE_GODOT_TYPES_MAP := {
+	TYPE_BOOL: Types.BOOL,
+	TYPE_FLOAT: Types.NUMERIC,
+	TYPE_STRING: Types.STRING,
+	TYPE_ARRAY: Types.ARRAY,
+	TYPE_DICTIONARY: Types.DICTIONARY,
+}
+
 
 static func can_convert(from: Types, to: Types) -> bool:
 	if from == to:

graph_node_renderer/bottom_dock.gd

@@ -0,0 +1,17 @@
+# (c) 2023-present Eroax
+# (c) 2023-present Yagich
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+extends TabContainer
+class_name BottomDock
+
+@export var tab_names := ["Console", "Variables"]
+@onready var variable_viewer: VariableViewer = %VariableViewer
+
+
+func _ready() -> void:
+	for i in get_child_count():
+		set_tab_title(i, tab_names[i])
+
+
+func rebuild_variable_tree(data: Dictionary) -> void:
+	variable_viewer.rebuild_variable_tree(data)

graph_node_renderer/bottom_dock.tscn

@@ -0,0 +1,19 @@
+[gd_scene load_steps=4 format=3 uid="uid://dayri1ejk20bc"]
+
+[ext_resource type="PackedScene" uid="uid://duvh3r740w2p5" path="res://graph_node_renderer/logger_renderer.tscn" id="1_6yuco"]
+[ext_resource type="Script" path="res://graph_node_renderer/bottom_dock.gd" id="1_mu1hf"]
+[ext_resource type="PackedScene" uid="uid://ovf5nt5pt0oj" path="res://graph_node_renderer/variable_viewer.tscn" id="3_vlkh8"]
+
+[node name="BottomDock" type="TabContainer"]
+offset_right = 122.0
+offset_bottom = 95.0
+script = ExtResource("1_mu1hf")
+
+[node name="LoggerRenderer" parent="." instance=ExtResource("1_6yuco")]
+unique_name_in_owner = true
+layout_mode = 2
+
+[node name="VariableViewer" parent="." instance=ExtResource("3_vlkh8")]
+unique_name_in_owner = true
+visible = false
+layout_mode = 2

graph_node_renderer/deck_holder_renderer.gd

@@ -65,13 +65,14 @@ var _deck_to_save: WeakRef
 
 @onready var obs_setup_dialog := $OBSWebsocketSetupDialog as OBSWebsocketSetupDialog
 @onready var twitch_setup_dialog := $Twitch_Setup_Dialog as TwitchSetupDialog
-@onready var logger_renderer: LoggerRenderer = %LoggerRenderer
+@onready var bottom_dock: BottomDock = %BottomDock
 
 
 func _ready() -> void:
 	get_tree().auto_accept_quit = false
 	tab_container.add_button_pressed.connect(add_empty_deck)
 	tab_container.tab_changed.connect(_on_tab_container_tab_changed)
+	tab_container.tab_about_to_change.connect(_on_tab_container_tab_about_to_change)
 	RendererPersistence.init_namespace(PERSISTENCE_NAMESPACE)
 	
 	var embed_subwindows: bool = RendererPersistence.get_or_create(PERSISTENCE_NAMESPACE, "config", "embed_subwindows", true)
@@ -114,11 +115,30 @@ func _ready() -> void:
 	file_popup_menu.set_item_shortcut(FileMenuId.SAVE_AS, save_deck_as_shortcut)
 	file_popup_menu.set_item_shortcut(FileMenuId.CLOSE, close_deck_shortcut)
 	
+	bottom_dock.variable_viewer.top_field_edited.connect(
+		func(old_name: String, new_name: String, new_value: Variant) -> void:
+			get_active_deck().update_variable(old_name, new_name, new_value)
+	)
+	
+	bottom_dock.variable_viewer.top_field_removed.connect(
+		func(field_name: String) -> void:
+			get_active_deck().remove_variable(field_name)
+	)
+
+
+func _on_tab_container_tab_about_to_change(previous_tab: int) -> void:
+	var deck := get_deck_at_tab(previous_tab)
+	if deck.variables_updated.is_connected(bottom_dock.rebuild_variable_tree):
+		deck.variables_updated.disconnect(bottom_dock.rebuild_variable_tree)
+
 
 func _on_tab_container_tab_changed(tab: int) -> void:
 	var is_group = tab_container.get_tab_metadata(tab, "group", false)
 	file_popup_menu.set_item_disabled(FileMenuId.SAVE, is_group)
 	file_popup_menu.set_item_disabled(FileMenuId.SAVE_AS, is_group)
+	bottom_dock.rebuild_variable_tree(get_active_deck().variable_stack)
+	var deck := get_active_deck()
+	deck.variables_updated.connect(bottom_dock.rebuild_variable_tree.bind(deck.variable_stack))
 
 
 ## Called when the File button in the [MenuBar] is pressed with the [param id]
@@ -150,6 +170,7 @@ func add_empty_deck() -> void:
 	inst.group_enter_requested.connect(_on_deck_renderer_group_enter_requested)
 	inst.dirty_state_changed.connect(_on_deck_renderer_dirty_state_changed.bind(inst))
 	tab_container.set_current_tab(tab)
+	bottom_dock.variable_viewer.enable_new_button()
 
 ## Closes the current tab in [member tab_container]
 func close_current_tab() -> void:
@@ -167,6 +188,8 @@ func close_tab(tab: int) -> void:
 					await get_tree().process_frame
 	
 	tab_container.close_tab(tab)
+	if tab_container.get_tab_count() == 0:
+		bottom_dock.variable_viewer.disable_new_button()
 
 ## Opens [member file_dialog] with the mode [member FileDialog.FILE_MODE_SAVE_FILE]
 ## as well as getting a weakref to the active [Deck]
@@ -234,14 +257,21 @@ func open_deck_at_path(path: String) -> void:
 	recent_path = path.get_base_dir()
 	RendererPersistence.set_value(PERSISTENCE_NAMESPACE, "config", "recent_path", recent_path)
 	tab_container.set_current_tab(tab)
+	bottom_dock.variable_viewer.enable_new_button()
 
 
-## Gets the currently active [Deck] from [member tab_container]
+## Returns the current deck in the [member tab_container].
 func get_active_deck() -> Deck:
+	return get_deck_at_tab(tab_container.get_current_tab())
+
+
+## Returns the deck at [param tab] in the [member tab_container].
+func get_deck_at_tab(tab: int) -> Deck:
 	if tab_container.is_empty():
 		return null
 	
-	return (tab_container.get_content(tab_container.get_current_tab()) as DeckRendererGraphEdit).deck
+	return (tab_container.get_content(tab) as DeckRendererGraphEdit).deck
+
 
 ## Saves the active [Deck] in [member tab_container]
 func save_active_deck() -> void:
@@ -445,8 +475,8 @@ func _on_unsaved_changes_dialog_confirmed() -> void:
 
 
 func _unhandled_input(event: InputEvent) -> void:
-	if event.is_action_pressed("toggle_console"):
+	if event.is_action_pressed("toggle_bottom_dock"):
-		logger_renderer.visible = !logger_renderer.visible
+		bottom_dock.visible = !bottom_dock.visible
 		accept_event()
 
 

graph_node_renderer/deck_holder_renderer.tscn

@@ -3,8 +3,8 @@
 [ext_resource type="Script" path="res://graph_node_renderer/deck_holder_renderer.gd" id="1_67g2g"]
 [ext_resource type="PackedScene" uid="uid://b84f2ngtcm5b8" path="res://graph_node_renderer/tab_container_custom.tscn" id="1_s3ug2"]
 [ext_resource type="Theme" uid="uid://dqqdqscid2iem" path="res://graph_node_renderer/default_theme.tres" id="1_tgul2"]
+[ext_resource type="PackedScene" uid="uid://dayri1ejk20bc" path="res://graph_node_renderer/bottom_dock.tscn" id="4_gwnhy"]
 [ext_resource type="Script" path="res://addons/no-obs-ws/NoOBSWS.gd" id="4_nu72u"]
-[ext_resource type="PackedScene" uid="uid://duvh3r740w2p5" path="res://graph_node_renderer/logger_renderer.tscn" id="4_pvexk"]
 [ext_resource type="Script" path="res://addons/no_twitch/twitch_connection.gd" id="5_3n36q"]
 [ext_resource type="PackedScene" uid="uid://eioso6jb42jy" path="res://graph_node_renderer/obs_websocket_setup_dialog.tscn" id="5_uo2gj"]
 [ext_resource type="PackedScene" uid="uid://bq2lxmbnic4lc" path="res://graph_node_renderer/twitch_setup_dialog.tscn" id="7_7rhap"]
@@ -151,7 +151,7 @@ item_1/id = 1
 unique_name_in_owner = true
 layout_mode = 2
 
-[node name="LoggerRenderer" parent="MarginContainer/VSplitContainer" instance=ExtResource("4_pvexk")]
+[node name="BottomDock" parent="MarginContainer/VSplitContainer" instance=ExtResource("4_gwnhy")]
 unique_name_in_owner = true
 visible = false
 layout_mode = 2

graph_node_renderer/logger_renderer.gd

@@ -1,7 +1,7 @@
 # (c) 2023-present Eroax
 # (c) 2023-present Yagich
 # GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
-extends PanelContainer
+extends VBoxContainer
 class_name LoggerRenderer
 
 @onready var output_label: RichTextLabel = %OutputLabel

graph_node_renderer/logger_renderer.tscn

@@ -9,45 +9,35 @@ font_names = PackedStringArray("Monospace")
 font_names = PackedStringArray("Monospace")
 font_weight = 700
 
-[node name="LoggerRenderer" type="PanelContainer"]
+[node name="LoggerRenderer" type="VBoxContainer"]
 anchors_preset = -1
-anchor_right = 0.42016
+anchor_right = 0.186632
-anchor_bottom = 0.181704
+anchor_bottom = 0.169753
-offset_right = -0.0240021
+grow_horizontal = 2
-offset_bottom = 0.255997
+grow_vertical = 2
 script = ExtResource("1_82rlk")
 metadata/_edit_use_anchors_ = true
 
-[node name="MarginContainer" type="MarginContainer" parent="."]
+[node name="Label" type="Label" parent="."]
-layout_mode = 2
-theme_override_constants/margin_left = 3
-theme_override_constants/margin_top = 3
-theme_override_constants/margin_right = 3
-theme_override_constants/margin_bottom = 3
-
-[node name="VBoxContainer" type="VBoxContainer" parent="MarginContainer"]
-layout_mode = 2
-
-[node name="Label" type="Label" parent="MarginContainer/VBoxContainer"]
 layout_mode = 2
 text = "Debug Console"
 
-[node name="HBoxContainer" type="HBoxContainer" parent="MarginContainer/VBoxContainer"]
+[node name="HBoxContainer" type="HBoxContainer" parent="."]
 layout_mode = 2
 size_flags_vertical = 3
 
-[node name="PanelContainer" type="PanelContainer" parent="MarginContainer/VBoxContainer/HBoxContainer"]
+[node name="PanelContainer" type="PanelContainer" parent="HBoxContainer"]
 layout_mode = 2
 size_flags_horizontal = 3
 
-[node name="MarginContainer" type="MarginContainer" parent="MarginContainer/VBoxContainer/HBoxContainer/PanelContainer"]
+[node name="MarginContainer" type="MarginContainer" parent="HBoxContainer/PanelContainer"]
 layout_mode = 2
 theme_override_constants/margin_left = 3
 theme_override_constants/margin_top = 3
 theme_override_constants/margin_right = 3
 theme_override_constants/margin_bottom = 3
 
-[node name="OutputLabel" type="RichTextLabel" parent="MarginContainer/VBoxContainer/HBoxContainer/PanelContainer/MarginContainer"]
+[node name="OutputLabel" type="RichTextLabel" parent="HBoxContainer/PanelContainer/MarginContainer"]
 unique_name_in_owner = true
 layout_mode = 2
 size_flags_horizontal = 3
@@ -63,17 +53,17 @@ selection_enabled = true
 deselect_on_focus_loss_enabled = false
 drag_and_drop_selection_enabled = false
 
-[node name="VBoxContainer" type="VBoxContainer" parent="MarginContainer/VBoxContainer/HBoxContainer"]
+[node name="VBoxContainer" type="VBoxContainer" parent="HBoxContainer"]
 layout_mode = 2
 alignment = 1
 
-[node name="CopyButton" type="Button" parent="MarginContainer/VBoxContainer/HBoxContainer/VBoxContainer"]
+[node name="CopyButton" type="Button" parent="HBoxContainer/VBoxContainer"]
 unique_name_in_owner = true
 visible = false
 layout_mode = 2
 text = "Copy"
 
-[node name="ClearButton" type="Button" parent="MarginContainer/VBoxContainer/HBoxContainer/VBoxContainer"]
+[node name="ClearButton" type="Button" parent="HBoxContainer/VBoxContainer"]
 unique_name_in_owner = true
 layout_mode = 2
 text = "Clear"

graph_node_renderer/tab_container_custom.gd

@@ -21,6 +21,8 @@ class_name TabContainerCustom
 signal add_button_pressed
 ## Emitted when the current tab in [member tab_bar] is changed.
 signal tab_changed(tab: int)
+## Emitted just before the current tab in [member tab_bar] is changed.s
+signal tab_about_to_change(previous_tab: int)
 ## Emitted when a tab in [member tab_bar] has been closed.
 ## See [signal TabBar.tab_close_requested]
 signal tab_closed(tab: int)
@@ -41,6 +43,8 @@ func _ready() -> void:
 			if _previous_active_tab == tab:
 				return
 
+			tab_about_to_change.emit(_previous_active_tab)
+
 			if _previous_active_tab > -1:
 				content_container.get_child(_previous_active_tab).visible = false
 			content_container.get_child(tab).visible = true

graph_node_renderer/textures/add_icon.svg

@@ -0,0 +1 @@
+<svg height="16" viewBox="0 0 16 16" width="16" xmlns="http://www.w3.org/2000/svg"><path d="m7 1v6h-6v2h6v6h2v-6h6v-2h-6v-6z" fill="#e0e0e0"/></svg>

graph_node_renderer/textures/add_icon.svg.import

@@ -0,0 +1,37 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://drxi5ks3mqbnk"
+path="res://.godot/imported/add_icon.svg-1a070ac229fd6d9079fc5a70a6dc355a.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://graph_node_renderer/textures/add_icon.svg"
+dest_files=["res://.godot/imported/add_icon.svg-1a070ac229fd6d9079fc5a70a6dc355a.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1
+svg/scale=1.0
+editor/scale_with_editor_scale=false
+editor/convert_colors_with_editor_theme=false

graph_node_renderer/textures/remove-icon.svg

@@ -0,0 +1 @@
+<svg height="16" viewBox="0 0 16 16" width="16" xmlns="http://www.w3.org/2000/svg"><path d="m5 1v1h-4v2h14v-2h-4v-1zm-3 4v8a2 2 0 0 0 2 2h8a2 2 0 0 0 2-2v-8zm1 2h2v6h-2zm4 0h2v6h-2zm4 0h2v6h-2z" fill="#e0e0e0"/></svg>

graph_node_renderer/textures/remove-icon.svg.import

@@ -0,0 +1,37 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://cdhco73u4faf8"
+path="res://.godot/imported/remove-icon.svg-39dfaea1590f79f30a4d86a2f83a7c3d.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://graph_node_renderer/textures/remove-icon.svg"
+dest_files=["res://.godot/imported/remove-icon.svg-39dfaea1590f79f30a4d86a2f83a7c3d.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1
+svg/scale=1.0
+editor/scale_with_editor_scale=false
+editor/convert_colors_with_editor_theme=false

graph_node_renderer/variable_viewer.gd

@@ -0,0 +1,280 @@
+# (c) 2023-present Eroax
+# (c) 2023-present Yagich
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+extends VBoxContainer
+class_name VariableViewer
+
+const REMOVE_ICON = preload("res://graph_node_renderer/textures/remove-icon.svg")
+
+@onready var new_variable_button: Button = %NewVariableButton
+@onready var variable_tree: Tree = %VariableTree
+@onready var types_popup: PopupMenu = %TypesPopup
+
+var root: TreeItem
+var _old_name: String
+
+signal top_field_edited(old_name: String, new_name: String, new_value: Variant)
+signal top_field_removed(field_name: String)
+
+
+func _ready() -> void:
+	variable_tree.set_column_title(0, "Name")
+	variable_tree.set_column_title(1, "Value")
+	variable_tree.set_column_title(2, "Type")
+	variable_tree.set_column_expand(1, true)
+	variable_tree.set_column_expand_ratio(0, 15)
+	variable_tree.set_column_expand_ratio(1, 70)
+	variable_tree.set_column_expand_ratio(2, 15)
+	root = variable_tree.create_item()
+	rebuild_variable_tree()
+	variable_tree.item_activated.connect(
+		func():
+			var column := variable_tree.get_selected_column()
+			var item := variable_tree.get_selected()
+			
+			# do nothing if this is an array and user is trying to edit index
+			# (TODO: proper reordering)
+			if column == 0 && item.get_meta(&"indexed"):
+				return
+
+			if column < 2:
+				_old_name = item.get_text(0)
+				
+				variable_tree.edit_selected(true)
+			else:
+				var pos := get_global_mouse_position()
+				var r := Rect2i(Vector2i(pos), Vector2i(0, 100))
+
+				for i in types_popup.get_item_count():
+					types_popup.set_item_checked(i, false)
+
+				types_popup.set_item_checked(item.get_metadata(2), true)
+				types_popup.popup(r)
+	)
+	
+	variable_tree.item_edited.connect(
+		func():
+			var item := variable_tree.get_selected()
+			var new_name := item.get_text(0)
+			var new_value
+			var type: DeckType.Types = item.get_metadata(2)
+			
+			match type:
+				DeckType.Types.STRING:
+					new_value = item.get_text(1)
+				DeckType.Types.BOOL:
+					new_value = item.is_checked(1)
+				DeckType.Types.NUMERIC:
+					new_value = item.get_range(1)
+				_:
+					new_value = item.get_meta(&"value")
+			
+			#item.set_meta(&"value", new_value)
+			
+			if !item.has_meta(&"container"):
+				top_field_edited.emit(_old_name, new_name, new_value)
+			else:
+				var container = item.get_meta(&"container")
+				
+				# array
+				if item.get_meta(&"indexed", false):
+					var index := item.get_index()
+					(container as Array)[index] = new_value
+				# dictionary
+				else:
+					var key := new_name
+					(container as Dictionary).erase(_old_name)
+					(container as Dictionary)[key] = new_value
+			
+			set_item_value(item, new_value)
+			
+	)
+	
+	variable_tree.nothing_selected.connect(variable_tree.deselect_all)
+	
+	variable_tree.button_clicked.connect(_on_variable_tree_button_clicked)
+	
+	for i in DeckType.Types.size() - 1:
+		types_popup.add_radio_check_item(DeckType.type_str(i))
+	
+	types_popup.id_pressed.connect(_on_types_popup_id_pressed)
+	
+	new_variable_button.pressed.connect(_on_new_variable_button_pressed)
+	
+	disable_new_button()
+
+
+func rebuild_variable_tree(data: Dictionary = {}) -> void:
+	#variable_tree.clear() # godot will raw dog a nullptr later if we clear the whole tree
+	for i in root.get_children():
+		i.free()
+	
+	for i in data:
+		add_item(i, data[i])
+
+
+func add_item(item_name: String, item_value: Variant, parent: TreeItem = root, container: Variant = null, indexed: bool = false) -> TreeItem:
+	# the container parameter is -1 instead of null because Object#get_meta() logs an error
+	# if the default parameter is null
+	var item := variable_tree.create_item(parent)
+	item.set_text(0, item_name)
+
+	var type: DeckType.Types = DeckType.INVERSE_GODOT_TYPES_MAP[typeof(item_value)]
+	item.set_meta(&"container", container)
+	item.set_meta(&"indexed", indexed)
+	
+	set_item_value(item, item_value)
+
+	item.set_text(2, DeckType.type_str(type))
+	item.set_metadata(2, type)
+	if item_value is Dictionary:
+		for i in item_value:
+			add_item(i, item_value[i], item, item_value)
+	if item_value is Array:
+		for i in (item_value as Array).size():
+			add_item(str(i), item_value[i], item, item_value, true)
+	#item.collapsed = true
+	item.add_button(2, REMOVE_ICON)
+
+	return item
+
+
+func set_item_value(item: TreeItem, value: Variant) -> void:
+	item.set_meta(&"value", value)
+	var type: DeckType.Types = DeckType.INVERSE_GODOT_TYPES_MAP[typeof(value)]
+	match type:
+		DeckType.Types.NUMERIC:
+			item.set_cell_mode(1, TreeItem.CELL_MODE_RANGE)
+			item.set_range_config(1, -9999, 9999, 0.0001)
+			item.set_range(1, value)
+		DeckType.Types.BOOL:
+			item.set_cell_mode(1, TreeItem.CELL_MODE_CHECK)
+			item.set_checked(1, value)
+		_:
+			item.set_text(1, str(value))
+
+	if item.has_meta(&"container"):
+		var container = item.get_meta(&"container")
+		if container is Array:
+			var index := item.get_index()
+			container[index] = value
+		else:
+			var key := item.get_text(0)
+			container[key] = value
+
+	if item.get_parent() != root:
+		refresh_item_value(item.get_parent())
+
+
+func refresh_item_value(item: TreeItem) -> void:
+	var value = item.get_meta(&"value")
+	var type: DeckType.Types = DeckType.INVERSE_GODOT_TYPES_MAP[typeof(value)]
+	match type:
+		DeckType.Types.NUMERIC:
+			item.set_cell_mode(1, TreeItem.CELL_MODE_RANGE)
+			item.set_range_config(1, -9999, 9999, 0.0001)
+			item.set_range(1, value)
+		DeckType.Types.BOOL:
+			item.set_cell_mode(1, TreeItem.CELL_MODE_CHECK)
+			item.set_checked(1, value)
+		_:
+			item.set_cell_mode(1, TreeItem.CELL_MODE_STRING)
+			item.set_text(1, str(value))
+
+
+func _on_variable_tree_button_clicked(item: TreeItem, column: int, id: int, mouse_button_index: int) -> void:
+	if mouse_button_index != MOUSE_BUTTON_LEFT:
+		return
+	
+	# we only have a delete button for now, so assume it is what's clicked
+	
+	if !item.has_meta(&"container"):
+		var key := item.get_text(0)
+		top_field_removed.emit(key)
+		item.free()
+	else:
+		var container = item.get_meta(&"container")
+		var parent := item.get_parent()
+		# array
+		if item.get_meta(&"indexed", false):
+			var index := item.get_index()
+			(container as Array).remove_at(index)
+			item.free()
+			
+			# go through the array and reset the index strings
+			for i in (container as Array).size():
+				parent.get_child(i).set_text(0, str(i))
+			
+		# dictionary
+		else:
+			(container as Dictionary).erase(item.get_text(0))
+			item.free()
+		
+		refresh_item_value(parent)
+
+
+func _on_types_popup_id_pressed(id: int) -> void:
+	var current_item := variable_tree.get_selected()
+	
+	if current_item.get_metadata(2) == id:
+		return
+
+	current_item.set_metadata(2, id)
+
+	var new_value: Variant
+	match id as DeckType.Types:
+		DeckType.Types.BOOL, DeckType.Types.STRING, DeckType.Types.NUMERIC:
+			# simple types that can generally be converted between each other
+			var target_type: Variant.Type = DeckType.GODOT_TYPES_MAP[id]
+			new_value = type_convert(current_item.get_meta(&"value"), target_type)
+		DeckType.Types.ARRAY:
+			new_value = []
+			for i in current_item.get_children():
+				i.free()
+		DeckType.Types.DICTIONARY:
+			new_value = {}
+			for i in current_item.get_children():
+				i.free()
+	
+	set_item_value(current_item, new_value)
+
+	current_item.set_text(2, DeckType.type_str(id))
+
+	if !current_item.has_meta(&"container"):
+		var field_name := current_item.get_text(0)
+		top_field_edited.emit(field_name, field_name, new_value)
+
+
+func _on_new_variable_button_pressed() -> void:
+	var selected := variable_tree.get_selected()
+	# TODO: UX impr. - if selected is part of a container, add to that container instead
+	# (but if selected is a container, prioritize adding to that)
+	if selected == null || !(selected.get_meta(&"value") is Array || selected.get_meta(&"value") is Dictionary):
+		# top field
+		var var_name := "new_variable%s" % variable_tree.get_root().get_child_count()
+		var new_item := add_item(var_name, "")
+		top_field_edited.emit(var_name, var_name, "")
+		new_item.select(0)
+	else:
+		var container = selected.get_meta(&"value")
+		if container is Dictionary:
+			var var_name := "new_key%s" % (container as Dictionary).size()
+			var new_item := add_item(var_name, "", selected, container)
+			new_item.select(0)
+			container[var_name] = ""
+		else:
+			var index := (container as Array).size()
+			(container as Array).append("")
+			var new_item := add_item(str(index), "", selected, container, true)
+			new_item.select(0)
+		refresh_item_value(selected)
+
+
+func enable_new_button() -> void:
+	new_variable_button.disabled = false
+	new_variable_button.tooltip_text = ""
+
+
+func disable_new_button() -> void:
+	new_variable_button.disabled = true
+	new_variable_button.tooltip_text = "There is no deck open, so you can not create a new variable.\nOpen a deck first."

graph_node_renderer/variable_viewer.tscn

@@ -0,0 +1,37 @@
+[gd_scene load_steps=3 format=3 uid="uid://ovf5nt5pt0oj"]
+
+[ext_resource type="Script" path="res://graph_node_renderer/variable_viewer.gd" id="1_b5gmj"]
+[ext_resource type="Texture2D" uid="uid://drxi5ks3mqbnk" path="res://graph_node_renderer/textures/add_icon.svg" id="2_15lro"]
+
+[node name="VariableViewer" type="VBoxContainer"]
+anchors_preset = -1
+anchor_right = 0.467014
+anchor_bottom = 0.359568
+grow_horizontal = 2
+grow_vertical = 2
+script = ExtResource("1_b5gmj")
+metadata/_edit_use_anchors_ = true
+
+[node name="Label" type="Label" parent="."]
+layout_mode = 2
+text = "Deck Variables"
+
+[node name="VariableTree" type="Tree" parent="."]
+unique_name_in_owner = true
+layout_mode = 2
+size_flags_vertical = 3
+columns = 3
+column_titles_visible = true
+allow_rmb_select = true
+allow_search = false
+hide_root = true
+
+[node name="TypesPopup" type="PopupMenu" parent="."]
+unique_name_in_owner = true
+
+[node name="NewVariableButton" type="Button" parent="."]
+unique_name_in_owner = true
+layout_mode = 2
+size_flags_horizontal = 4
+text = "New"
+icon = ExtResource("2_15lro")

project.godot

@@ -44,7 +44,7 @@ rename_node={
 "events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":4194333,"physical_keycode":0,"key_label":0,"unicode":0,"echo":false,"script":null)
 ]
 }
-toggle_console={
+toggle_bottom_dock={
 "deadzone": 0.5,
 "events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":78,"key_label":0,"unicode":110,"echo":false,"script":null)
 ]

script_templates/Object/empty_template_with_license.gd

@@ -0,0 +1,5 @@
+# meta-description: An empty template with StreamGraph license header.
+# (c) 2023-present Eroax
+# (c) 2023-present Yagich
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+extends _BASE_