add beehave

addons/beehave/debug/debugger.gd

@@ -0,0 +1,96 @@
+@tool
+extends EditorDebuggerPlugin
+
+const DebuggerTab := preload("debugger_tab.gd")
+const BeehaveUtils := preload("res://addons/beehave/utils/utils.gd")
+
+var debugger_tab := DebuggerTab.new()
+var floating_window: Window
+var session: EditorDebuggerSession
+
+
+func _has_capture(prefix: String) -> bool:
+	return prefix == "beehave"
+
+
+func _capture(message: String, data: Array, session_id: int) -> bool:
+	# in case the behavior tree has invalid setup this might be null
+	if debugger_tab == null:
+		return false
+
+	if message == "beehave:register_tree":
+		debugger_tab.register_tree(data[0])
+		return true
+	if message == "beehave:unregister_tree":
+		debugger_tab.unregister_tree(data[0])
+		return true
+	if message == "beehave:process_tick":
+		debugger_tab.graph.process_tick(data[0], data[1], data[2])
+		return true
+	if message == "beehave:process_begin":
+		debugger_tab.graph.process_begin(data[0], data[1])
+		return true
+	if message == "beehave:process_end":
+		debugger_tab.graph.process_end(data[0], data[1])
+		return true
+	return false
+
+
+func _setup_session(session_id: int) -> void:
+	session = get_session(session_id)
+	session.started.connect(debugger_tab.start)
+	session.stopped.connect(debugger_tab.stop)
+
+	debugger_tab.name = "🐝 Beehave"
+	debugger_tab.make_floating.connect(_on_make_floating)
+	debugger_tab.session = session
+	session.add_session_tab(debugger_tab)
+
+
+func _on_make_floating() -> void:
+	var plugin := BeehaveUtils.get_plugin()
+	if not plugin:
+		return
+	if floating_window:
+		_on_window_close_requested()
+		return
+
+	var border_size := Vector2(4, 4) * BeehaveUtils.get_editor_scale()
+	var editor_interface: EditorInterface = plugin.get_editor_interface()
+	var editor_main_screen = editor_interface.get_editor_main_screen()
+	debugger_tab.get_parent().remove_child(debugger_tab)
+
+	floating_window = Window.new()
+
+	var panel := Panel.new()
+	panel.add_theme_stylebox_override(
+		"panel",
+		editor_interface.get_base_control().get_theme_stylebox("PanelForeground", "EditorStyles")
+	)
+	panel.set_anchors_and_offsets_preset(Control.PRESET_FULL_RECT)
+	floating_window.add_child(panel)
+
+	var margin := MarginContainer.new()
+	margin.add_child(debugger_tab)
+	margin.set_anchors_and_offsets_preset(Control.PRESET_FULL_RECT)
+	margin.add_theme_constant_override("margin_right", border_size.x)
+	margin.add_theme_constant_override("margin_left", border_size.x)
+	margin.add_theme_constant_override("margin_top", border_size.y)
+	margin.add_theme_constant_override("margin_bottom", border_size.y)
+	panel.add_child(margin)
+
+	floating_window.title = "🐝 Beehave"
+	floating_window.wrap_controls = true
+	floating_window.min_size = Vector2i(600, 350)
+	floating_window.size = debugger_tab.size
+	floating_window.position = editor_main_screen.global_position
+	floating_window.transient = true
+	floating_window.close_requested.connect(_on_window_close_requested)
+	editor_interface.get_base_control().add_child(floating_window)
+
+
+func _on_window_close_requested() -> void:
+	debugger_tab.get_parent().remove_child(debugger_tab)
+	session.add_session_tab(debugger_tab)
+	floating_window.queue_free()
+	floating_window = null

addons/beehave/debug/debugger_messages.gd

@@ -0,0 +1,30 @@
+class_name BeehaveDebuggerMessages
+
+
+static func can_send_message() -> bool:
+	return not Engine.is_editor_hint() and OS.has_feature("editor")
+
+
+static func register_tree(beehave_tree: Dictionary) -> void:
+	if can_send_message():
+		EngineDebugger.send_message("beehave:register_tree", [beehave_tree])
+
+
+static func unregister_tree(instance_id: int) -> void:
+	if can_send_message():
+		EngineDebugger.send_message("beehave:unregister_tree", [instance_id])
+
+
+static func process_tick(instance_id: int, status: int, blackboard: Dictionary = {}) -> void:
+	if can_send_message():
+		EngineDebugger.send_message("beehave:process_tick", [instance_id, status, blackboard])
+
+
+static func process_begin(instance_id: int, blackboard: Dictionary = {}) -> void:
+	if can_send_message():
+		EngineDebugger.send_message("beehave:process_begin", [instance_id, blackboard])
+
+
+static func process_end(instance_id: int, blackboard: Dictionary = {}) -> void:
+	if can_send_message():
+		EngineDebugger.send_message("beehave:process_end", [instance_id, blackboard])

addons/beehave/debug/debugger_tab.gd

@@ -0,0 +1,157 @@
+@tool
+class_name BeehaveDebuggerTab extends PanelContainer
+
+const BeehaveUtils := preload("res://addons/beehave/utils/utils.gd")
+
+signal make_floating
+
+const OldBeehaveGraphEdit := preload("old_graph_edit.gd")
+const NewBeehaveGraphEdit := preload("new_graph_edit.gd")
+const NewNodeBlackBoard := preload("new_node_blackboard.gd")
+
+const TREE_ICON := preload("../icons/tree.svg")
+
+var graph
+var container: HSplitContainer
+var graph_container: HSplitContainer
+var item_list: ItemList
+var blackboard_vbox: VBoxContainer
+var message: Label
+
+var active_trees: Dictionary
+var active_tree_id: int = -1
+var session: EditorDebuggerSession
+
+
+func _ready() -> void:
+	container = HSplitContainer.new()
+	add_child(container)
+
+	item_list = ItemList.new()
+	item_list.custom_minimum_size = Vector2(200, 0)
+	item_list.item_selected.connect(_on_item_selected)
+	container.add_child(item_list)
+
+	graph_container = HSplitContainer.new()
+	graph_container.split_offset = 1920
+	graph_container.set_anchors_preset(Control.PRESET_FULL_RECT)
+	container.add_child(graph_container)
+
+	if Engine.get_version_info().minor >= 2:
+		graph = NewBeehaveGraphEdit.new(BeehaveUtils.get_frames())
+	else:
+		graph = OldBeehaveGraphEdit.new(BeehaveUtils.get_frames())
+
+	graph.node_selected.connect(_on_graph_node_selected)
+	graph.node_deselected.connect(_on_graph_node_deselected)
+	graph_container.add_child(graph)
+
+	blackboard_vbox = VBoxContainer.new()
+	blackboard_vbox.custom_minimum_size = Vector2(200, 0)
+	blackboard_vbox.set_anchors_preset(Control.PRESET_FULL_RECT)
+	graph_container.add_child(blackboard_vbox)
+
+	message = Label.new()
+	message.text = "Run Project for debugging"
+	message.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
+	message.vertical_alignment = VERTICAL_ALIGNMENT_CENTER
+	message.set_anchors_preset(Control.PRESET_CENTER)
+	add_child(message)
+
+	var button := Button.new()
+	button.flat = true
+	button.name = "MakeFloatingButton"
+	button.icon = get_theme_icon(&"ExternalLink", &"EditorIcons")
+	button.pressed.connect(func(): make_floating.emit())
+	button.tooltip_text = "Make floating"
+	button.focus_mode = Control.FOCUS_NONE
+	graph.get_menu_container().add_child(button)
+
+	var toggle_button := Button.new()
+	toggle_button.flat = true
+	toggle_button.name = "TogglePanelButton"
+	toggle_button.icon = get_theme_icon(&"Back", &"EditorIcons")
+	toggle_button.pressed.connect(_on_toggle_button_pressed.bind(toggle_button))
+	toggle_button.tooltip_text = "Toggle Panel"
+	toggle_button.focus_mode = Control.FOCUS_NONE
+	graph.get_menu_container().add_child(toggle_button)
+	graph.get_menu_container().move_child(toggle_button, 0)
+
+	stop()
+	visibility_changed.connect(_on_visibility_changed)
+
+
+func start() -> void:
+	container.visible = true
+	message.visible = false
+
+
+func stop() -> void:
+	container.visible = false
+	message.visible = true
+
+	active_trees.clear()
+	item_list.clear()
+	graph.beehave_tree = {}
+
+
+func register_tree(data: Dictionary) -> void:
+	if not active_trees.has(data.id):
+		var idx := item_list.add_item(data.name, TREE_ICON)
+		item_list.set_item_tooltip(idx, data.path)
+		item_list.set_item_metadata(idx, data.id)
+
+	active_trees[data.id] = data
+
+	if active_tree_id == data.id.to_int():
+		graph.beehave_tree = data
+
+
+func unregister_tree(instance_id: int) -> void:
+	var id := str(instance_id)
+	for i in item_list.item_count:
+		if item_list.get_item_metadata(i) == id:
+			item_list.remove_item(i)
+			break
+
+	active_trees.erase(id)
+
+	if graph.beehave_tree.get("id", "") == id:
+		graph.beehave_tree = {}
+
+
+func _on_toggle_button_pressed(toggle_button: Button) -> void:
+	item_list.visible = !item_list.visible
+	toggle_button.icon = get_theme_icon(
+		&"Back" if item_list.visible else &"Forward", &"EditorIcons"
+	)
+
+
+func _on_item_selected(idx: int) -> void:
+	var id: StringName = item_list.get_item_metadata(idx)
+	graph.beehave_tree = active_trees.get(id, {})
+
+	# Clear our any loaded blackboards
+	for child in blackboard_vbox.get_children():
+		child.free()
+
+	active_tree_id = id.to_int()
+	if session != null:
+		session.send_message("beehave:activate_tree", [active_tree_id])
+
+func _on_graph_node_selected(node: GraphNode) -> void:
+	var node_blackboard: VBoxContainer = NewNodeBlackBoard.new(BeehaveUtils.get_frames(), node)
+	blackboard_vbox.add_child(node_blackboard)
+
+func _on_graph_node_deselected(node: GraphNode) -> void:
+	var matches: Array = blackboard_vbox\
+		.get_children()\
+		.filter(func (child): return child.name == node.name)
+
+	for child in matches:
+		child.free()
+
+
+func _on_visibility_changed() -> void:
+	if session != null:
+		session.send_message("beehave:visibility_changed", [visible and is_visible_in_tree()])

addons/beehave/debug/global_debugger.gd

@@ -0,0 +1,38 @@
+extends Node
+
+var _registered_trees: Dictionary
+var _active_tree
+
+
+func _enter_tree() -> void:
+	EngineDebugger.register_message_capture("beehave", _on_debug_message)
+
+
+func _on_debug_message(message: String, data: Array) -> bool:
+	if message == "activate_tree":
+		_set_active_tree(data[0])
+		return true
+	if message == "visibility_changed":
+		if _active_tree && is_instance_valid(_active_tree):
+			_active_tree._can_send_message = data[0]
+		return true
+	return false
+
+
+func _set_active_tree(tree_id: int) -> void:
+	var tree = _registered_trees.get(tree_id, null)
+	if not tree:
+		return
+
+	if _active_tree && is_instance_valid(_active_tree):
+		_active_tree._can_send_message = false
+	_active_tree = tree
+	_active_tree._can_send_message = true
+
+
+func register_tree(tree) -> void:
+	_registered_trees[tree.get_instance_id()] = tree
+
+
+func unregister_tree(tree) -> void:
+	_registered_trees.erase(tree.get_instance_id())

addons/beehave/debug/icons/horizontal_layout.svg

@@ -0,0 +1 @@
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addons/beehave/debug/icons/horizontal_layout.svg.import

@@ -0,0 +1,38 @@
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+"vram_texture": false
+}
+
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+process/size_limit=0
+detect_3d/compress_to=1
+svg/scale=1.0
+editor/scale_with_editor_scale=true
+editor/convert_colors_with_editor_theme=true

addons/beehave/debug/icons/port_bottom.svg

@@ -0,0 +1 @@
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addons/beehave/debug/icons/port_bottom.svg.import

@@ -0,0 +1,38 @@
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+editor/scale_with_editor_scale=true
+editor/convert_colors_with_editor_theme=true

addons/beehave/debug/icons/port_left.svg

@@ -0,0 +1 @@
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addons/beehave/debug/icons/port_left.svg.import

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addons/beehave/debug/icons/port_right.svg

@@ -0,0 +1 @@
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addons/beehave/debug/icons/port_right.svg.import

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addons/beehave/debug/icons/port_top.svg

@@ -0,0 +1 @@
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addons/beehave/debug/icons/port_top.svg.import

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addons/beehave/debug/icons/vertical_layout.svg

@@ -0,0 +1 @@
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addons/beehave/debug/icons/vertical_layout.svg.import

@@ -0,0 +1,38 @@
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+
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+svg/scale=1.0
+editor/scale_with_editor_scale=true
+editor/convert_colors_with_editor_theme=true

addons/beehave/debug/new_frames.gd

@@ -0,0 +1,69 @@
+@tool
+extends RefCounted
+
+
+const BeehaveUtils := preload("res://addons/beehave/utils/utils.gd")
+
+
+const SUCCESS_COLOR := Color("#07783a")
+const NORMAL_COLOR := Color("#15181e")
+const FAILURE_COLOR := Color("#82010b")
+const RUNNING_COLOR := Color("#c29c06")
+
+var panel_normal: StyleBoxFlat
+var panel_success: StyleBoxFlat
+var panel_failure: StyleBoxFlat
+var panel_running: StyleBoxFlat
+
+var titlebar_normal: StyleBoxFlat
+var titlebar_success: StyleBoxFlat
+var titlebar_failure: StyleBoxFlat
+var titlebar_running: StyleBoxFlat
+
+
+func _init() -> void:
+	var plugin := BeehaveUtils.get_plugin()
+	if not plugin:
+		return
+	
+	
+	titlebar_normal = (
+		plugin
+		.get_editor_interface()
+		.get_base_control()
+		.get_theme_stylebox(&"titlebar", &"GraphNode")\
+		.duplicate()
+	)
+	titlebar_success = titlebar_normal.duplicate()
+	titlebar_failure = titlebar_normal.duplicate()
+	titlebar_running = titlebar_normal.duplicate()
+	
+	titlebar_success.bg_color = SUCCESS_COLOR
+	titlebar_failure.bg_color = FAILURE_COLOR
+	titlebar_running.bg_color = RUNNING_COLOR
+	
+	titlebar_success.border_color = SUCCESS_COLOR
+	titlebar_failure.border_color = FAILURE_COLOR
+	titlebar_running.border_color = RUNNING_COLOR
+	
+	
+	panel_normal = (
+		plugin
+		.get_editor_interface()
+		.get_base_control()
+		.get_theme_stylebox(&"panel", &"GraphNode")
+		.duplicate()
+	)
+	panel_success = (
+		plugin
+		.get_editor_interface()
+		.get_base_control()
+		.get_theme_stylebox(&"panel_selected", &"GraphNode")
+		.duplicate()
+	)
+	panel_failure = panel_success.duplicate()
+	panel_running = panel_success.duplicate()
+	
+	panel_success.border_color = SUCCESS_COLOR
+	panel_failure.border_color = FAILURE_COLOR
+	panel_running.border_color = RUNNING_COLOR

addons/beehave/debug/new_graph_edit.gd

@@ -0,0 +1,297 @@
+@tool
+extends GraphEdit
+
+const BeehaveGraphNode := preload("new_graph_node.gd")
+
+const HORIZONTAL_LAYOUT_ICON := preload("icons/horizontal_layout.svg")
+const VERTICAL_LAYOUT_ICON := preload("icons/vertical_layout.svg")
+
+const PROGRESS_SHIFT: int = 50
+const INACTIVE_COLOR: Color = Color("#898989")
+const ACTIVE_COLOR: Color = Color("#c29c06")
+const SUCCESS_COLOR: Color = Color("#07783a")
+
+
+var updating_graph: bool = false
+var arraging_nodes: bool = false
+var beehave_tree: Dictionary:
+	set(value):
+		if beehave_tree == value:
+			return
+		beehave_tree = value
+		active_nodes.clear()
+		_update_graph()
+
+var horizontal_layout: bool = false:
+	set(value):
+		if updating_graph or arraging_nodes:
+			return
+		if horizontal_layout == value:
+			return
+		horizontal_layout = value
+		_update_layout_button()
+		_update_graph()
+
+
+var frames:RefCounted
+var active_nodes: Array[String]
+var progress: int = 0
+var layout_button: Button
+
+
+func _init(frames:RefCounted) -> void:
+	self.frames = frames
+
+
+func _ready() -> void:
+	custom_minimum_size = Vector2(100, 300)
+	set("show_arrange_button", true)
+	minimap_enabled = false
+	layout_button = Button.new()
+	layout_button.flat = true
+	layout_button.focus_mode = Control.FOCUS_NONE
+	layout_button.pressed.connect(func(): horizontal_layout = not horizontal_layout)
+	get_menu_container().add_child(layout_button)
+	_update_layout_button()
+
+
+func _update_graph() -> void:
+	if updating_graph:
+		return
+
+	updating_graph = true
+
+	clear_connections()
+
+	for child in _get_child_nodes():
+		remove_child(child)
+		child.queue_free()
+
+	if not beehave_tree.is_empty():
+		_add_nodes(beehave_tree)
+		_connect_nodes(beehave_tree)
+		_arrange_nodes.call_deferred(beehave_tree)
+
+	updating_graph = false
+
+
+func _add_nodes(node: Dictionary) -> void:
+	if node.is_empty():
+		return
+	var gnode := BeehaveGraphNode.new(frames, horizontal_layout)
+	add_child(gnode)
+	gnode.title_text = node.name
+	gnode.name = node.id
+	gnode.icon = _get_icon(node.type.back())
+
+	if node.type.has(&"BeehaveTree"):
+		gnode.set_slots(false, true)
+	elif node.type.has(&"Leaf"):
+		gnode.set_slots(true, false)
+	elif node.type.has(&"Composite") or node.type.has(&"Decorator"):
+		gnode.set_slots(true, true)
+
+	for child in node.get("children", []):
+		_add_nodes(child)
+
+
+func _connect_nodes(node: Dictionary) -> void:
+	for child in node.get("children", []):
+		connect_node(node.id, 0, child.id, 0)
+		_connect_nodes(child)
+
+
+func _arrange_nodes(node: Dictionary) -> void:
+	if arraging_nodes:
+		return
+
+	arraging_nodes = true
+
+	var tree_node := _create_tree_nodes(node)
+	tree_node.update_positions(horizontal_layout)
+	_place_nodes(tree_node)
+
+	arraging_nodes = false
+
+
+func _create_tree_nodes(node: Dictionary, root: TreeNode = null) -> TreeNode:
+	var tree_node := TreeNode.new(get_node(node.id), root)
+	for child in node.get("children", []):
+		var child_node := _create_tree_nodes(child, tree_node)
+		tree_node.children.push_back(child_node)
+	return tree_node
+
+
+func _place_nodes(node: TreeNode) -> void:
+	node.item.position_offset = Vector2(node.x, node.y)
+	for child in node.children:
+		_place_nodes(child)
+
+
+func _get_icon(type: StringName) -> Texture2D:
+	var classes := ProjectSettings.get_global_class_list()
+	for c in classes:
+		if c["class"] == type:
+			var icon_path := c.get("icon", String())
+			if not icon_path.is_empty():
+				return load(icon_path)
+	return null
+
+
+func get_menu_container() -> Control:
+	return call("get_menu_hbox")
+
+
+func get_status(status: int) -> String:
+	if status == 0:
+		return "SUCCESS"
+	elif status == 1:
+		return "FAILURE"
+	return "RUNNING"
+
+
+func process_begin(instance_id: int, blackboard = null) -> void:
+	if not _is_same_tree(instance_id):
+		return
+
+	for child in _get_child_nodes():
+		child.set_meta("status", -1)
+
+
+func process_tick(instance_id: int, status: int, blackboard = null) -> void:
+	var node := get_node_or_null(str(instance_id))
+	if node:
+		node.text = "Status: %s" % get_status(status)
+		node.set_status(status)
+		node.set_meta("status", status)
+		node.blackboard = blackboard
+		if status == BeehaveNode.SUCCESS or status == BeehaveNode.RUNNING:
+			if not active_nodes.has(node.name):
+				active_nodes.push_back(node.name)
+
+
+func process_end(instance_id: int, blackboard = null) -> void:
+	if not _is_same_tree(instance_id):
+		return
+
+	for child in _get_child_nodes():
+		var status := child.get_meta("status", -1)
+		match status:
+			BeehaveNode.SUCCESS:
+				active_nodes.erase(child.name)
+				child.set_color(SUCCESS_COLOR)
+			BeehaveNode.FAILURE:
+				active_nodes.erase(child.name)
+				child.set_color(INACTIVE_COLOR)
+			BeehaveNode.RUNNING:
+				child.set_color(ACTIVE_COLOR)
+			_:
+				child.text = " "
+				child.set_status(status)
+				child.set_color(INACTIVE_COLOR)
+
+
+func _is_same_tree(instance_id: int) -> bool:
+	return str(instance_id) == beehave_tree.get("id", "")
+
+
+func _get_child_nodes() -> Array[Node]:
+	return get_children().filter(func(child): return child is BeehaveGraphNode)
+
+
+func _get_connection_line(from_position: Vector2, to_position: Vector2) -> PackedVector2Array:
+	for child in _get_child_nodes():
+		for port in child.get_input_port_count():
+			if not (child.position_offset + child.get_input_port_position(port)).is_equal_approx(to_position):
+				continue
+			to_position = child.position_offset + child.get_custom_input_port_position(horizontal_layout)
+		for port in child.get_output_port_count():
+			if not (child.position_offset + child.get_output_port_position(port)).is_equal_approx(from_position):
+				continue
+			from_position = child.position_offset + child.get_custom_output_port_position(horizontal_layout)
+	return _get_elbow_connection_line(from_position, to_position)
+
+
+func _get_elbow_connection_line(from_position: Vector2, to_position: Vector2) -> PackedVector2Array:
+	var points: PackedVector2Array
+
+	points.push_back(from_position)
+
+	var mid_position := ((to_position + from_position) / 2).round()
+	if horizontal_layout:
+		points.push_back(Vector2(mid_position.x, from_position.y))
+		points.push_back(Vector2(mid_position.x, to_position.y))
+	else:
+		points.push_back(Vector2(from_position.x, mid_position.y))
+		points.push_back(Vector2(to_position.x, mid_position.y))
+
+	points.push_back(to_position)
+
+	return points
+
+
+func _process(delta: float) -> void:
+	if not active_nodes.is_empty():
+		progress += 10 if delta >= 0.05 else 1
+		if progress >= 1000:
+			progress = 0
+		queue_redraw()
+
+
+func _draw() -> void:
+	if active_nodes.is_empty():
+		return
+
+	var circle_size: float = max(3, 6 * zoom)
+	var progress_shift: float = PROGRESS_SHIFT * zoom
+
+	var connections := get_connection_list()
+	for c in connections:
+		var from_node: StringName
+		var to_node: StringName
+
+		from_node = c.from_node
+		to_node = c.to_node
+
+		if not from_node in active_nodes or not c.to_node in active_nodes:
+			continue
+
+		var from := get_node(String(from_node))
+		var to := get_node(String(to_node))
+
+		if from.get_meta("status", -1) < 0 or to.get_meta("status", -1) < 0:
+			return
+
+		var output_port_position: Vector2
+		var input_port_position: Vector2
+
+		var scale_factor: float = from.get_rect().size.x / from.size.x
+
+		var line := _get_elbow_connection_line(
+			from.position + from.get_custom_output_port_position(horizontal_layout) * scale_factor,
+			to.position + to.get_custom_input_port_position(horizontal_layout) * scale_factor
+		)
+
+		var curve = Curve2D.new()
+		for l in line:
+			curve.add_point(l)
+
+		var max_steps := int(curve.get_baked_length())
+		var current_shift := progress % max_steps
+		var p := curve.sample_baked(current_shift)
+		draw_circle(p, circle_size, ACTIVE_COLOR)
+
+		var shift := current_shift - progress_shift
+		while shift >= 0:
+			draw_circle(curve.sample_baked(shift), circle_size, ACTIVE_COLOR)
+			shift -= progress_shift
+
+		shift = current_shift + progress_shift
+		while shift <= curve.get_baked_length():
+			draw_circle(curve.sample_baked(shift), circle_size, ACTIVE_COLOR)
+			shift += progress_shift
+
+
+func _update_layout_button() -> void:
+	layout_button.icon = VERTICAL_LAYOUT_ICON if horizontal_layout else HORIZONTAL_LAYOUT_ICON
+	layout_button.tooltip_text = "Switch to Vertical layout" if horizontal_layout else "Switch to Horizontal layout"

addons/beehave/debug/new_graph_node.gd

@@ -0,0 +1,192 @@
+@tool
+extends GraphNode
+
+signal blackboard_updated
+
+const BeehaveUtils := preload("res://addons/beehave/utils/utils.gd")
+
+const PORT_TOP_ICON := preload("icons/port_top.svg")
+const PORT_BOTTOM_ICON := preload("icons/port_bottom.svg")
+const PORT_LEFT_ICON := preload("icons/port_left.svg")
+const PORT_RIGHT_ICON := preload("icons/port_right.svg")
+
+
+@export var title_text: String:
+	set(value):
+		title_text = value
+		if title_label:
+			title_label.text = value
+
+@export var text: String:
+	set(value):
+		text = value
+		if label:
+			label.text = " " if text.is_empty() else text
+
+@export var icon: Texture2D:
+	set(value):
+		icon = value
+		if icon_rect:
+			icon_rect.texture = value
+
+@export var blackboard: Dictionary:
+	set(value):
+		blackboard = value
+		blackboard_updated.emit()
+
+var layout_size: float:
+	get:
+		return size.y if horizontal else size.x
+
+
+var icon_rect: TextureRect
+var title_label: Label
+var label: Label
+var titlebar_hbox: HBoxContainer
+
+var frames: RefCounted
+var horizontal: bool = false
+var panels_tween: Tween
+
+
+func _init(frames:RefCounted, horizontal: bool = false) -> void:
+	self.frames = frames
+	self.horizontal = horizontal
+
+
+func _ready() -> void:
+	custom_minimum_size = Vector2(50, 50) * BeehaveUtils.get_editor_scale()
+	draggable = false
+
+	add_theme_color_override("close_color", Color.TRANSPARENT)
+	add_theme_icon_override("close", ImageTexture.new())
+
+	# For top port
+	var top_port: Control = Control.new()
+	add_child(top_port)
+
+	icon_rect = TextureRect.new()
+	icon_rect.stretch_mode = TextureRect.STRETCH_KEEP_ASPECT_CENTERED
+
+	titlebar_hbox = get_titlebar_hbox()
+	titlebar_hbox.get_child(0).queue_free()
+	titlebar_hbox.alignment = BoxContainer.ALIGNMENT_BEGIN
+	titlebar_hbox.add_child(icon_rect)
+
+	title_label = Label.new()
+	title_label.add_theme_color_override("font_color", Color.WHITE)
+	var title_font: Font = get_theme_font("title_font").duplicate()
+	if title_font is FontVariation:
+		title_font.variation_embolden = 1
+	elif title_font is FontFile:
+		title_font.font_weight = 700
+	title_label.add_theme_font_override("font", title_font)
+	title_label.vertical_alignment = VERTICAL_ALIGNMENT_CENTER
+	title_label.size_flags_horizontal = Control.SIZE_EXPAND_FILL
+	title_label.text = title_text
+	titlebar_hbox.add_child(title_label)
+
+	label = Label.new()
+	label.text = " " if text.is_empty() else text
+	add_child(label)
+
+	# For bottom port
+	add_child(Control.new())
+
+	minimum_size_changed.connect(_on_size_changed)
+	_on_size_changed.call_deferred()
+
+
+func _draw_port(slot_index: int, port_position: Vector2i, left: bool, color: Color) -> void:
+	if horizontal:
+		if is_slot_enabled_left(1):
+			draw_texture(PORT_LEFT_ICON, Vector2(0, size.y / 2) + Vector2(-4, -5), color)
+		if is_slot_enabled_right(1):
+			draw_texture(PORT_RIGHT_ICON, Vector2(size.x, size.y / 2) + Vector2(-5, -4.5), color)
+	else:
+		if slot_index == 0 and is_slot_enabled_left(0):
+			draw_texture(PORT_TOP_ICON, Vector2(size.x / 2, 0) + Vector2(-4.5, -7), color)
+		elif slot_index == 1:
+			draw_texture(PORT_BOTTOM_ICON, Vector2(size.x / 2, size.y) + Vector2(-4.5, -5), color)
+
+
+func get_custom_input_port_position(horizontal: bool) -> Vector2:
+	if horizontal:
+		return Vector2(0, size.y / 2)
+	else:
+		return Vector2(size.x/2, 0)
+
+
+func get_custom_output_port_position(horizontal: bool) -> Vector2:
+	if horizontal:
+		return Vector2(size.x, size.y / 2)
+	else:
+		return Vector2(size.x / 2, size.y)
+
+
+func set_status(status: int) -> void:
+	match status:
+		BeehaveNode.SUCCESS: _set_stylebox_overrides(frames.panel_success, frames.titlebar_success)
+		BeehaveNode.FAILURE: _set_stylebox_overrides(frames.panel_failure, frames.titlebar_failure)
+		BeehaveNode.RUNNING: _set_stylebox_overrides(frames.panel_running, frames.titlebar_running)
+		_: _set_stylebox_overrides(frames.panel_normal, frames.titlebar_normal)
+
+
+func set_slots(left_enabled: bool, right_enabled: bool) -> void:
+	if horizontal:
+		set_slot(1, left_enabled, -1, Color.WHITE, right_enabled, -1, Color.WHITE, PORT_LEFT_ICON, PORT_RIGHT_ICON)
+	else:
+		set_slot(0, left_enabled, -1, Color.WHITE, false, -1, Color.TRANSPARENT, PORT_TOP_ICON, null)
+		set_slot(2, false, -1, Color.TRANSPARENT, right_enabled, -1, Color.WHITE, null, PORT_BOTTOM_ICON)
+
+
+func set_color(color: Color) -> void:
+	set_input_color(color)
+	set_output_color(color)
+
+
+func set_input_color(color: Color) -> void:
+	set_slot_color_left(1 if horizontal else 0, color)
+
+
+func set_output_color(color: Color) -> void:
+	set_slot_color_right(1 if horizontal else 2, color)
+
+
+func _set_stylebox_overrides(panel_stylebox: StyleBox, titlebar_stylebox: StyleBox) -> void:
+	# First update and any status change gets immediate panel update
+	if not has_theme_stylebox_override("panel") or panel_stylebox != frames.panel_normal:
+		if panels_tween:
+			panels_tween.kill()
+			panels_tween = null
+
+		add_theme_stylebox_override("panel", panel_stylebox)
+		add_theme_stylebox_override("titlebar", titlebar_stylebox)
+		return
+
+	# Don't need to do anything if we're already tweening back to normal
+	if panels_tween:
+		return
+
+	# Don't need to do anything if our colors are already the same as a normal
+	var cur_panel_stylebox: StyleBox = get_theme_stylebox("panel")
+	var cur_titlebar_stylebox: StyleBox = get_theme_stylebox("titlebar")
+	if cur_panel_stylebox.bg_color == frames.panel_normal.bg_color:
+		return
+
+	# Apply a duplicate of our current panels that we can tween
+	add_theme_stylebox_override("panel", cur_panel_stylebox.duplicate())
+	add_theme_stylebox_override("titlebar", cur_titlebar_stylebox.duplicate())
+	cur_panel_stylebox = get_theme_stylebox("panel")
+	cur_titlebar_stylebox = get_theme_stylebox("titlebar")
+
+	# Going back to normal is a fade
+	panels_tween = create_tween()
+	panels_tween.parallel().tween_property(cur_panel_stylebox, "bg_color", panel_stylebox.bg_color, 1.0)
+	panels_tween.parallel().tween_property(cur_panel_stylebox, "border_color", panel_stylebox.border_color, 1.0)
+	panels_tween.parallel().tween_property(cur_titlebar_stylebox, "bg_color", panel_stylebox.bg_color, 1.0)
+	panels_tween.parallel().tween_property(cur_titlebar_stylebox, "border_color", panel_stylebox.border_color, 1.0)
+
+
+func _on_size_changed():
+	add_theme_constant_override("port_offset", 12 * BeehaveUtils.get_editor_scale() if horizontal else round(size.x))

addons/beehave/debug/new_node_blackboard.gd

@@ -0,0 +1,76 @@
+extends VBoxContainer
+
+var frames: RefCounted
+var graph_node: GraphNode
+
+var item_tree: Tree
+
+func _init(frames: RefCounted, node: GraphNode) -> void:
+	self.frames = frames
+	graph_node = node
+
+	graph_node.blackboard_updated.connect(_update_list)
+
+func _ready() -> void:
+	name = graph_node.name
+
+	set_anchors_preset(Control.PRESET_FULL_RECT)
+
+	var title_panel: Panel = Panel.new()
+	title_panel.set_anchors_preset(Control.PRESET_FULL_RECT)
+	title_panel.custom_minimum_size = Vector2(200, 50)
+	add_child(title_panel)
+	var title_hbox: HBoxContainer = HBoxContainer.new()
+	title_hbox.alignment = BoxContainer.ALIGNMENT_CENTER
+	title_hbox.set_anchors_preset(Control.PRESET_FULL_RECT)
+	title_panel.add_child(title_hbox)
+
+	var icon_rect: TextureRect = TextureRect.new()
+	icon_rect.stretch_mode = TextureRect.STRETCH_KEEP_ASPECT_CENTERED
+	icon_rect.texture = graph_node.icon
+	icon_rect.set_size(Vector2(20, 20))
+	title_hbox.add_child(icon_rect)
+
+	var title: Label = Label.new()
+	title.text = graph_node.title_text
+	title.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
+	title.set_anchors_preset(Control.PRESET_FULL_RECT)
+	title_hbox.add_child(title)
+
+	item_tree = Tree.new()
+	item_tree.custom_minimum_size = Vector2(200, 400)
+	item_tree.hide_root = true
+	item_tree.allow_search = false
+	item_tree.columns = 2
+	add_child(item_tree)
+
+	_update_list()
+
+func _update_list() -> void:
+	item_tree.clear()
+
+	var root: TreeItem = item_tree.create_item()
+
+	if graph_node.blackboard.size() == 0:
+		var no_bb_message: TreeItem = item_tree.create_item(root)
+		no_bb_message.set_text(0, "No blackboard data")
+		return
+
+	for bb_name in graph_node.blackboard:
+		var bb_name_branch: TreeItem = item_tree.create_item(root)
+		bb_name_branch.set_text(0, bb_name)
+
+		#print(graph_node.blackboard.get(bb_name))
+		for key in graph_node.blackboard.get(bb_name):
+			var bb_kv_leaf: TreeItem = item_tree.create_item(bb_name_branch)
+			bb_kv_leaf.set_text(0, str(key))
+			bb_kv_leaf.set_text(1, str(graph_node.blackboard.get(bb_name).get(key)))
+
+func _get_icon(type: StringName) -> Texture2D:
+	var classes := ProjectSettings.get_global_class_list()
+	for c in classes:
+		if c["class"] == type:
+			var icon_path := c.get("icon", String())
+			if not icon_path.is_empty():
+				return load(icon_path)
+	return null

addons/beehave/debug/old_frames.gd

@@ -0,0 +1,47 @@
+@tool
+extends RefCounted
+
+const BeehaveUtils := preload("res://addons/beehave/utils/utils.gd")
+
+const SUCCESS_COLOR := Color("#009944c8")
+const NORMAL_COLOR := Color("#15181e")
+const FAILURE_COLOR := Color("#cf000f80")
+const RUNNING_COLOR := Color("#ffcc00c8")
+
+var empty: StyleBoxEmpty
+var normal: StyleBoxFlat
+var success: StyleBoxFlat
+var failure: StyleBoxFlat
+var running: StyleBoxFlat
+
+
+func _init() -> void:
+	var plugin := BeehaveUtils.get_plugin()
+	if not plugin:
+		return
+
+	var editor_scale := BeehaveUtils.get_editor_scale()
+
+	empty = StyleBoxEmpty.new()
+
+	normal = (
+		plugin
+		. get_editor_interface()
+		. get_base_control()
+		. get_theme_stylebox(&"frame", &"GraphNode")
+		. duplicate()
+	)
+
+	success = (
+		plugin
+		. get_editor_interface()
+		. get_base_control()
+		. get_theme_stylebox(&"selected_frame", &"GraphNode")
+		. duplicate()
+	)
+	failure = success.duplicate()
+	running = success.duplicate()
+
+	success.border_color = SUCCESS_COLOR
+	failure.border_color = FAILURE_COLOR
+	running.border_color = RUNNING_COLOR

addons/beehave/debug/old_graph_edit.gd

@@ -0,0 +1,286 @@
+@tool
+extends GraphEdit
+
+const BeehaveGraphNode := preload("old_graph_node.gd")
+
+const HORIZONTAL_LAYOUT_ICON := preload("icons/horizontal_layout.svg")
+const VERTICAL_LAYOUT_ICON := preload("icons/vertical_layout.svg")
+
+const PROGRESS_SHIFT: int = 50
+const INACTIVE_COLOR: Color = Color("#898989aa")
+const ACTIVE_COLOR: Color = Color("#ffcc00c8")
+const SUCCESS_COLOR: Color = Color("#009944c8")
+
+var updating_graph: bool = false
+var arraging_nodes: bool = false
+var beehave_tree: Dictionary:
+	set(value):
+		if beehave_tree == value:
+			return
+		beehave_tree = value
+		active_nodes.clear()
+		_update_graph()
+
+var horizontal_layout: bool = false:
+	set(value):
+		if updating_graph or arraging_nodes:
+			return
+		if horizontal_layout == value:
+			return
+		horizontal_layout = value
+		_update_layout_button()
+		_update_graph()
+
+var frames: RefCounted
+var active_nodes: Array[String]
+var progress: int = 0
+var layout_button: Button
+
+
+func _init(frames: RefCounted) -> void:
+	self.frames = frames
+
+
+func _ready() -> void:
+	custom_minimum_size = Vector2(100, 300)
+	set("arrange_nodes_button_hidden", true)
+	minimap_enabled = false
+	layout_button = Button.new()
+	layout_button.flat = true
+	layout_button.focus_mode = Control.FOCUS_NONE
+	layout_button.pressed.connect(func(): horizontal_layout = not horizontal_layout)
+	get_menu_container().add_child(layout_button)
+	_update_layout_button()
+
+
+func _update_graph() -> void:
+	if updating_graph:
+		return
+
+	updating_graph = true
+
+	clear_connections()
+
+	for child in _get_child_nodes():
+		remove_child(child)
+		child.queue_free()
+
+	if not beehave_tree.is_empty():
+		_add_nodes(beehave_tree)
+		_connect_nodes(beehave_tree)
+		_arrange_nodes.call_deferred(beehave_tree)
+
+	updating_graph = false
+
+
+func _add_nodes(node: Dictionary) -> void:
+	if node.is_empty():
+		return
+	var gnode := BeehaveGraphNode.new(frames, horizontal_layout)
+	add_child(gnode)
+	gnode.title_text = node.name
+	gnode.name = node.id
+	gnode.icon = _get_icon(node.type.back())
+
+	if node.type.has(&"BeehaveTree"):
+		gnode.set_slots(false, true)
+	elif node.type.has(&"Leaf"):
+		gnode.set_slots(true, false)
+	elif node.type.has(&"Composite") or node.type.has(&"Decorator"):
+		gnode.set_slots(true, true)
+
+	for child in node.get("children", []):
+		_add_nodes(child)
+
+
+func _connect_nodes(node: Dictionary) -> void:
+	for child in node.get("children", []):
+		connect_node(node.id, 0, child.id, 0)
+		_connect_nodes(child)
+
+
+func _arrange_nodes(node: Dictionary) -> void:
+	if arraging_nodes:
+		return
+
+	arraging_nodes = true
+
+	var tree_node := _create_tree_nodes(node)
+	tree_node.update_positions(horizontal_layout)
+	_place_nodes(tree_node)
+
+	arraging_nodes = false
+
+
+func _create_tree_nodes(node: Dictionary, root: TreeNode = null) -> TreeNode:
+	var tree_node := TreeNode.new(get_node(node.id), root)
+	for child in node.get("children", []):
+		var child_node := _create_tree_nodes(child, tree_node)
+		tree_node.children.push_back(child_node)
+	return tree_node
+
+
+func _place_nodes(node: TreeNode) -> void:
+	node.item.position_offset = Vector2(node.x, node.y)
+	for child in node.children:
+		_place_nodes(child)
+
+
+func _get_icon(type: StringName) -> Texture2D:
+	var classes := ProjectSettings.get_global_class_list()
+	for c in classes:
+		if c["class"] == type:
+			var icon_path := c.get("icon", String())
+			if not icon_path.is_empty():
+				return load(icon_path)
+	return null
+
+
+func get_menu_container() -> Control:
+	return call("get_zoom_hbox")
+
+
+func get_status(status: int) -> String:
+	if status == 0:
+		return "SUCCESS"
+	elif status == 1:
+		return "FAILURE"
+	return "RUNNING"
+
+
+func process_begin(instance_id: int) -> void:
+	if not _is_same_tree(instance_id):
+		return
+
+	for child in _get_child_nodes():
+		child.set_meta("status", -1)
+
+
+func process_tick(instance_id: int, status: int) -> void:
+	var node := get_node_or_null(str(instance_id))
+	if node:
+		node.text = "Status: %s" % get_status(status)
+		node.set_status(status)
+		node.set_meta("status", status)
+		if status == BeehaveNode.SUCCESS or status == BeehaveNode.RUNNING:
+			if not active_nodes.has(node.name):
+				active_nodes.push_back(node.name)
+
+
+func process_end(instance_id: int) -> void:
+	if not _is_same_tree(instance_id):
+		return
+
+	for child in _get_child_nodes():
+		var status := child.get_meta("status", -1)
+		match status:
+			BeehaveNode.SUCCESS:
+				active_nodes.erase(child.name)
+				child.set_color(SUCCESS_COLOR)
+			BeehaveNode.FAILURE:
+				active_nodes.erase(child.name)
+				child.set_color(INACTIVE_COLOR)
+			BeehaveNode.RUNNING:
+				child.set_color(ACTIVE_COLOR)
+			_:
+				child.text = " "
+				child.set_status(status)
+				child.set_color(INACTIVE_COLOR)
+
+
+func _is_same_tree(instance_id: int) -> bool:
+	return str(instance_id) == beehave_tree.get("id", "")
+
+
+func _get_child_nodes() -> Array[Node]:
+	return get_children().filter(func(child): return child is BeehaveGraphNode)
+
+
+func _get_connection_line(from_position: Vector2, to_position: Vector2) -> PackedVector2Array:
+	var points: PackedVector2Array
+
+	from_position = from_position.round()
+	to_position = to_position.round()
+
+	points.push_back(from_position)
+
+	var mid_position := ((to_position + from_position) / 2).round()
+	if horizontal_layout:
+		points.push_back(Vector2(mid_position.x, from_position.y))
+		points.push_back(Vector2(mid_position.x, to_position.y))
+	else:
+		points.push_back(Vector2(from_position.x, mid_position.y))
+		points.push_back(Vector2(to_position.x, mid_position.y))
+
+	points.push_back(to_position)
+
+	return points
+
+
+func _process(delta: float) -> void:
+	if not active_nodes.is_empty():
+		progress += 10 if delta >= 0.05 else 1
+		if progress >= 1000:
+			progress = 0
+		queue_redraw()
+
+
+func _draw() -> void:
+	if active_nodes.is_empty():
+		return
+
+	var circle_size: float = max(3, 6 * zoom)
+	var progress_shift: float = PROGRESS_SHIFT * zoom
+
+	var connections := get_connection_list()
+	for c in connections:
+		var from_node: StringName
+		var to_node: StringName
+
+		from_node = c.from
+		to_node = c.to
+
+		if not from_node in active_nodes or not c.to_node in active_nodes:
+			continue
+
+		var from := get_node(String(from_node))
+		var to := get_node(String(to_node))
+
+		if from.get_meta("status", -1) < 0 or to.get_meta("status", -1) < 0:
+			return
+
+		var output_port_position: Vector2
+		var input_port_position: Vector2
+
+		output_port_position = (
+			from.position + from.call("get_connection_output_position", c.from_port)
+		)
+		input_port_position = to.position + to.call("get_connection_input_position", c.to_port)
+
+		var line := _get_connection_line(output_port_position, input_port_position)
+
+		var curve = Curve2D.new()
+		for l in line:
+			curve.add_point(l)
+
+		var max_steps := int(curve.get_baked_length())
+		var current_shift := progress % max_steps
+		var p := curve.sample_baked(current_shift)
+		draw_circle(p, circle_size, ACTIVE_COLOR)
+
+		var shift := current_shift - progress_shift
+		while shift >= 0:
+			draw_circle(curve.sample_baked(shift), circle_size, ACTIVE_COLOR)
+			shift -= progress_shift
+
+		shift = current_shift + progress_shift
+		while shift <= curve.get_baked_length():
+			draw_circle(curve.sample_baked(shift), circle_size, ACTIVE_COLOR)
+			shift += progress_shift
+
+
+func _update_layout_button() -> void:
+	layout_button.icon = VERTICAL_LAYOUT_ICON if horizontal_layout else HORIZONTAL_LAYOUT_ICON
+	layout_button.tooltip_text = (
+		"Switch to Vertical layout" if horizontal_layout else "Switch to Horizontal layout"
+	)

addons/beehave/debug/old_graph_node.gd

@@ -0,0 +1,166 @@
+@tool
+extends GraphNode
+
+const BeehaveUtils := preload("res://addons/beehave/utils/utils.gd")
+
+const DEFAULT_COLOR := Color("#dad4cb")
+
+const PORT_TOP_ICON := preload("icons/port_top.svg")
+const PORT_BOTTOM_ICON := preload("icons/port_bottom.svg")
+const PORT_LEFT_ICON := preload("icons/port_left.svg")
+const PORT_RIGHT_ICON := preload("icons/port_right.svg")
+
+@export var title_text: String:
+	set(value):
+		title_text = value
+		if title_label:
+			title_label.text = value
+
+@export var text: String:
+	set(value):
+		text = value
+		if label:
+			label.text = " " if text.is_empty() else text
+
+@export var icon: Texture2D:
+	set(value):
+		icon = value
+		if icon_rect:
+			icon_rect.texture = value
+
+var layout_size: float:
+	get:
+		return size.y if horizontal else size.x
+
+var panel: PanelContainer
+var icon_rect: TextureRect
+var title_label: Label
+var container: VBoxContainer
+var label: Label
+
+var frames: RefCounted
+var horizontal: bool = false
+
+
+func _init(frames: RefCounted, horizontal: bool = false) -> void:
+	self.frames = frames
+	self.horizontal = horizontal
+
+
+func _ready() -> void:
+	custom_minimum_size = Vector2(50, 50) * BeehaveUtils.get_editor_scale()
+	draggable = false
+
+	add_theme_stylebox_override("frame", frames.empty if frames != null else null)
+	add_theme_stylebox_override("selected_frame", frames.empty if frames != null else null)
+	add_theme_color_override("close_color", Color.TRANSPARENT)
+	add_theme_icon_override("close", ImageTexture.new())
+
+	# For top port
+	add_child(Control.new())
+
+	panel = PanelContainer.new()
+	panel.mouse_filter = Control.MOUSE_FILTER_PASS
+	panel.add_theme_stylebox_override("panel", frames.normal if frames != null else null)
+	add_child(panel)
+
+	var vbox_container := VBoxContainer.new()
+	panel.add_child(vbox_container)
+
+	var title_size := 24 * BeehaveUtils.get_editor_scale()
+	var margin_container := MarginContainer.new()
+	margin_container.add_theme_constant_override(
+		"margin_top", -title_size - 2 * BeehaveUtils.get_editor_scale()
+	)
+	margin_container.mouse_filter = Control.MOUSE_FILTER_PASS
+	vbox_container.add_child(margin_container)
+
+	var title_container := HBoxContainer.new()
+	title_container.add_child(Control.new())
+	title_container.mouse_filter = Control.MOUSE_FILTER_PASS
+	title_container.size_flags_horizontal = Control.SIZE_EXPAND_FILL
+	margin_container.add_child(title_container)
+
+	icon_rect = TextureRect.new()
+	icon_rect.stretch_mode = TextureRect.STRETCH_KEEP_ASPECT_CENTERED
+	title_container.add_child(icon_rect)
+
+	title_label = Label.new()
+	title_label.add_theme_color_override("font_color", DEFAULT_COLOR)
+	title_label.add_theme_font_override("font", get_theme_font("title_font"))
+	title_label.vertical_alignment = VERTICAL_ALIGNMENT_CENTER
+	title_label.size_flags_horizontal = Control.SIZE_EXPAND_FILL
+	title_label.text = title_text
+	title_container.add_child(title_label)
+
+	title_container.add_child(Control.new())
+
+	container = VBoxContainer.new()
+	container.size_flags_vertical = Control.SIZE_EXPAND_FILL
+	container.size_flags_horizontal = Control.SIZE_EXPAND_FILL
+	panel.add_child(container)
+
+	label = Label.new()
+	label.text = " " if text.is_empty() else text
+	container.add_child(label)
+
+	# For bottom port
+	add_child(Control.new())
+
+	minimum_size_changed.connect(_on_size_changed)
+	_on_size_changed.call_deferred()
+
+
+func set_status(status: int) -> void:
+	panel.add_theme_stylebox_override("panel", _get_stylebox(status))
+
+
+func _get_stylebox(status: int) -> StyleBox:
+	match status:
+		BeehaveNode.SUCCESS:
+			return frames.success
+		BeehaveNode.FAILURE:
+			return frames.failure
+		BeehaveNode.RUNNING:
+			return frames.running
+		_:
+			return frames.normal
+
+
+func set_slots(left_enabled: bool, right_enabled: bool) -> void:
+	if horizontal:
+		set_slot(
+			1,
+			left_enabled,
+			0,
+			Color.WHITE,
+			right_enabled,
+			0,
+			Color.WHITE,
+			PORT_LEFT_ICON,
+			PORT_RIGHT_ICON
+		)
+	else:
+		set_slot(0, left_enabled, 0, Color.WHITE, false, -2, Color.TRANSPARENT, PORT_TOP_ICON, null)
+		set_slot(
+			2, false, -1, Color.TRANSPARENT, right_enabled, 0, Color.WHITE, null, PORT_BOTTOM_ICON
+		)
+
+
+func set_color(color: Color) -> void:
+	set_input_color(color)
+	set_output_color(color)
+
+
+func set_input_color(color: Color) -> void:
+	set_slot_color_left(1 if horizontal else 0, color)
+
+
+func set_output_color(color: Color) -> void:
+	set_slot_color_right(1 if horizontal else 2, color)
+
+
+func _on_size_changed():
+	add_theme_constant_override(
+		"port_offset", 12 * BeehaveUtils.get_editor_scale() if horizontal else round(size.x / 2.0)
+	)

addons/beehave/debug/tree_node.gd

@@ -0,0 +1,275 @@
+class_name TreeNode
+extends RefCounted
+
+# Based on https://rachel53461.wordpress.com/2014/04/20/algorithm-for-drawing-trees/
+
+const SIBLING_DISTANCE: float = 20.0
+const LEVEL_DISTANCE: float = 40.0
+
+const BeehaveUtils := preload("res://addons/beehave/utils/utils.gd")
+
+var x: float
+var y: float
+var mod: float
+var parent: TreeNode
+var children: Array[TreeNode]
+
+var item: GraphNode
+
+
+func _init(p_item: GraphNode = null, p_parent: TreeNode = null) -> void:
+	parent = p_parent
+	item = p_item
+
+
+func is_leaf() -> bool:
+	return children.is_empty()
+
+
+func is_most_left() -> bool:
+	if not parent:
+		return true
+	return parent.children.front() == self
+
+
+func is_most_right() -> bool:
+	if not parent:
+		return true
+	return parent.children.back() == self
+
+
+func get_previous_sibling() -> TreeNode:
+	if not parent or is_most_left():
+		return null
+	return parent.children[parent.children.find(self) - 1]
+
+
+func get_next_sibling() -> TreeNode:
+	if not parent or is_most_right():
+		return null
+	return parent.children[parent.children.find(self) + 1]
+
+
+func get_most_left_sibling() -> TreeNode:
+	if not parent:
+		return null
+
+	if is_most_left():
+		return self
+
+	return parent.children.front()
+
+
+func get_most_left_child() -> TreeNode:
+	if children.is_empty():
+		return null
+	return children.front()
+
+
+func get_most_right_child() -> TreeNode:
+	if children.is_empty():
+		return null
+	return children.back()
+
+
+func update_positions(horizontally: bool = false) -> void:
+	_initialize_nodes(self, 0)
+	_calculate_initial_x(self)
+
+	_check_all_children_on_screen(self)
+	_calculate_final_positions(self, 0)
+
+	if horizontally:
+		_swap_x_y(self)
+		_calculate_x(self, 0)
+	else:
+		_calculate_y(self, 0)
+
+
+func _initialize_nodes(node: TreeNode, depth: int) -> void:
+	node.x = -1
+	node.y = depth
+	node.mod = 0
+
+	for child in node.children:
+		_initialize_nodes(child, depth + 1)
+
+
+func _calculate_initial_x(node: TreeNode) -> void:
+	for child in node.children:
+		_calculate_initial_x(child)
+	if node.is_leaf():
+		if not node.is_most_left():
+			node.x = (
+				node.get_previous_sibling().x
+				+ node.get_previous_sibling().item.layout_size
+				+ SIBLING_DISTANCE
+			)
+		else:
+			node.x = 0
+	else:
+		var mid: float
+		if node.children.size() == 1:
+			var offset: float = (node.children.front().item.layout_size - node.item.layout_size) / 2
+			mid = node.children.front().x + offset
+		else:
+			var left_child := node.get_most_left_child()
+			var right_child := node.get_most_right_child()
+			mid = (
+				(
+					left_child.x
+					+ right_child.x
+					+ right_child.item.layout_size
+					- node.item.layout_size
+				)
+				/ 2
+			)
+
+		if node.is_most_left():
+			node.x = mid
+		else:
+			node.x = (
+				node.get_previous_sibling().x
+				+ node.get_previous_sibling().item.layout_size
+				+ SIBLING_DISTANCE
+			)
+			node.mod = node.x - mid
+
+	if not node.is_leaf() and not node.is_most_left():
+		_check_for_conflicts(node)
+
+
+func _calculate_final_positions(node: TreeNode, mod_sum: float) -> void:
+	node.x += mod_sum
+	mod_sum += node.mod
+
+	for child in node.children:
+		_calculate_final_positions(child, mod_sum)
+
+
+func _check_all_children_on_screen(node: TreeNode) -> void:
+	var node_contour: Dictionary = {}
+	_get_left_contour(node, 0, node_contour)
+
+	var shift_amount: float = 0
+	for y in node_contour.keys():
+		if node_contour[y] + shift_amount < 0:
+			shift_amount = (node_contour[y] * -1)
+
+	if shift_amount > 0:
+		node.x += shift_amount
+		node.mod += shift_amount
+
+
+func _check_for_conflicts(node: TreeNode) -> void:
+	var min_distance := SIBLING_DISTANCE
+	var shift_value: float = 0
+	var shift_sibling: TreeNode = null
+
+	var node_contour: Dictionary = {}  # { int, float }
+	_get_left_contour(node, 0, node_contour)
+
+	var sibling := node.get_most_left_sibling()
+	while sibling != null and sibling != node:
+		var sibling_contour: Dictionary = {}
+		_get_right_contour(sibling, 0, sibling_contour)
+
+		for level in range(
+			node.y + 1, min(sibling_contour.keys().max(), node_contour.keys().max()) + 1
+		):
+			var distance: float = node_contour[level] - sibling_contour[level]
+			if distance + shift_value < min_distance:
+				shift_value = min_distance - distance
+				shift_sibling = sibling
+
+		sibling = sibling.get_next_sibling()
+
+	if shift_value > 0:
+		node.x += shift_value
+		node.mod += shift_value
+		_center_nodes_between(shift_sibling, node)
+
+
+func _center_nodes_between(left_node: TreeNode, right_node: TreeNode) -> void:
+	var left_index := left_node.parent.children.find(left_node)
+	var right_index := left_node.parent.children.find(right_node)
+
+	var num_nodes_between: int = (right_index - left_index) - 1
+	if num_nodes_between > 0:
+		# The extra distance that needs to be split into num_nodes_between + 1
+		# in order to find the new node spacing so that nodes are equally spaced
+		var distance_to_allocate: float = right_node.x - left_node.x - left_node.item.layout_size
+		# Subtract sizes on nodes in between
+		for i in range(left_index + 1, right_index):
+			distance_to_allocate -= left_node.parent.children[i].item.layout_size
+		# Divide space equally
+		var distance_between_nodes: float = distance_to_allocate / (num_nodes_between + 1)
+
+		var prev_node := left_node
+		var middle_node := left_node.get_next_sibling()
+		while middle_node != right_node:
+			var desire_x: float = prev_node.x + prev_node.item.layout_size + distance_between_nodes
+			var offset := desire_x - middle_node.x
+			middle_node.x += offset
+			middle_node.mod += offset
+			prev_node = middle_node
+			middle_node = middle_node.get_next_sibling()
+
+
+func _get_left_contour(node: TreeNode, mod_sum: float, values: Dictionary) -> void:
+	var node_left: float = node.x + mod_sum
+	var depth := int(node.y)
+	if not values.has(depth):
+		values[depth] = node_left
+	else:
+		values[depth] = min(values[depth], node_left)
+
+	mod_sum += node.mod
+	for child in node.children:
+		_get_left_contour(child, mod_sum, values)
+
+
+func _get_right_contour(node: TreeNode, mod_sum: float, values: Dictionary) -> void:
+	var node_right: float = node.x + mod_sum + node.item.layout_size
+	var depth := int(node.y)
+	if not values.has(depth):
+		values[depth] = node_right
+	else:
+		values[depth] = max(values[depth], node_right)
+
+	mod_sum += node.mod
+	for child in node.children:
+		_get_right_contour(child, mod_sum, values)
+
+
+func _swap_x_y(node: TreeNode) -> void:
+	for child in node.children:
+		_swap_x_y(child)
+
+	var temp := node.x
+	node.x = node.y
+	node.y = temp
+
+
+func _calculate_x(node: TreeNode, offset: int) -> void:
+	node.x = offset
+	var sibling := node.get_most_left_sibling()
+	var max_size: int = node.item.size.x
+	while sibling != null:
+		max_size = max(sibling.item.size.x, max_size)
+		sibling = sibling.get_next_sibling()
+
+	for child in node.children:
+		_calculate_x(child, max_size + offset + LEVEL_DISTANCE * BeehaveUtils.get_editor_scale())
+
+
+func _calculate_y(node: TreeNode, offset: int) -> void:
+	node.y = offset
+	var sibling := node.get_most_left_sibling()
+	var max_size: int = node.item.size.y
+	while sibling != null:
+		max_size = max(sibling.item.size.y, max_size)
+		sibling = sibling.get_next_sibling()
+
+	for child in node.children:
+		_calculate_y(child, max_size + offset + LEVEL_DISTANCE * BeehaveUtils.get_editor_scale())