Demo: Display custom task source code upon selection in BehaviorTreeView
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Serhii Snitsaruk
parent
7626c84633
commit
24730a9213
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#*
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#* code_edit.gd
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#* =============================================================================
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#* Copyright 2024 Serhii Snitsaruk
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#*
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#* Use of this source code is governed by an MIT-style
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#* license that can be found in the LICENSE file or at
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#* https://opensource.org/licenses/MIT.
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#* =============================================================================
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#*
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extends CodeEdit
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const RESERVED_WORDS := [
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# Control flow.
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"break",
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"continue",
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"elif",
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"else",
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"for",
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"if",
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"match",
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"pass",
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"return",
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"when",
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"while",
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# Declarations.
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"class",
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"class_name",
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"const",
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"enum",
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"extends",
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"func",
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"namespace",
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"signal",
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"static",
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"trait",
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"var",
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# Other keywords.
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"await",
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"breakpoint",
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"self",
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"super",
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"yield",
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# Operators.
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"and",
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"as",
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"in",
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"is",
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"not",
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"or",
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# Special values.
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"false",
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"null",
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"true",
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# Constants.
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"INF",
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"NAN",
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"PI",
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"TAU",
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# Functions.
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"assert",
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"preload",
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]
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const TYPE_WORDS := [
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"bool",
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"int",
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"float",
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"void",
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"String",
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"Vector2",
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"Vector2i",
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"Rect2",
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"Rect2i",
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"Vector3",
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"Vector3i",
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"Transform2D",
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"Vector4",
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"Vector4i",
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"Plane",
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"Quaternion",
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"AABB",
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"Basis",
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"Transform3D",
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"Projection",
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"Color",
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"StringName",
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"NodePath",
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"RID",
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"Callable",
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"Signal",
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"Dictionary",
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"Array",
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"PackedByteArray",
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"PackedInt32Array",
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"PackedInt64Array",
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"PackedFloat32Array",
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"PackedFloat64Array",
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"PackedStringArray",
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"PackedVector2Array",
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"PackedVector3Array",
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"PackedColorArray",
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# Other types
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"Status",
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]
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func _ready() -> void:
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var highlighter := CodeHighlighter.new()
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syntax_highlighter = highlighter
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highlighter.number_color = Color.AQUAMARINE
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highlighter.symbol_color = Color.CORNFLOWER_BLUE
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highlighter.function_color = Color.DEEP_SKY_BLUE
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highlighter.member_variable_color = Color.LIGHT_BLUE
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# Engine types
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for c in ClassDB.get_class_list():
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syntax_highlighter.add_keyword_color(c, Color.AQUAMARINE)
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syntax_highlighter.add_color_region("#", "", Color.DIM_GRAY, true)
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syntax_highlighter.add_color_region("@", " ", Color.GOLDENROD)
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syntax_highlighter.add_color_region("\"", "\"", Color.GOLD)
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for keyword in RESERVED_WORDS:
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syntax_highlighter.add_keyword_color(keyword, Color.INDIAN_RED)
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for typeword in TYPE_WORDS:
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syntax_highlighter.add_keyword_color(typeword, Color.AQUAMARINE)
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func set_source_code(source_code: String) -> void:
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# Hide license header
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var idx: int = source_code.find("#*")
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while idx != - 1:
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source_code = source_code.substr(0, idx) + source_code.substr(source_code.findn("\n", idx) + 1)
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idx = source_code.findn("#*", idx)
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text = "" # Workaround
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text = source_code
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@ -1,3 +1,14 @@
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#*
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#* showcase.gd
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#* =============================================================================
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#* Copyright 2024 Serhii Snitsaruk
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#*
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#* Use of this source code is governed by an MIT-style
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#* license that can be found in the LICENSE file or at
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#* https://opensource.org/licenses/MIT.
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#* =============================================================================
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#*
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extends Node2D
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@onready var behavior_tree_view: BehaviorTreeView = %BehaviorTreeView
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@ -10,6 +21,8 @@ extends Node2D
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@onready var begin_tutorial: Button = %BeginTutorial
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@onready var navigation_hint: Label = %NavigationHint
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@onready var scene_title: Label = %SceneTitle
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@onready var code_popup = %CodePopup
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@onready var code_edit = %CodeEdit
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var bt_player: BTPlayer
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var selected_tree_index: int = -1
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@ -17,6 +30,7 @@ var agent_files: Array[String]
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var agents_dir: String
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var is_tutorial: bool = false
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func _ready() -> void:
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agent_selection.get_popup().id_pressed.connect(_on_agent_selection_id_pressed)
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previous.pressed.connect(func(): _on_agent_selection_id_pressed(selected_tree_index - 1))
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@ -116,14 +130,13 @@ func _on_agent_selection_id_pressed(id: int) -> void:
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# Treat filename as a title
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agent_selection.text = agent_selection.text.trim_suffix(".tres")
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previous.disabled = id == 0
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next.disabled = id == (agent_files.size()-1)
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next.disabled = id == (agent_files.size() - 1)
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func _on_switch_to_game_pressed() -> void:
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get_tree().change_scene_to_file("res://demo/scenes/game.tscn")
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func _on_minimize_description_button_down() -> void:
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description.visible = not description.visible
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minimize_description.text = "-" if description.visible else "+"
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@ -132,3 +145,10 @@ func _on_minimize_description_button_down() -> void:
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func _on_tutorial_pressed() -> void:
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is_tutorial = not is_tutorial
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_initialize()
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func _on_behavior_tree_view_task_selected(_type_name: String, p_script_path: String) -> void:
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if not p_script_path.is_empty():
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var sc: Script = load(p_script_path)
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code_edit.set_source_code(sc.source_code)
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code_popup.popup.call_deferred()
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@ -1,4 +1,4 @@
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[gd_scene load_steps=15 format=3 uid="uid://b3ae14mc2ty3y"]
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[gd_scene load_steps=16 format=3 uid="uid://b3ae14mc2ty3y"]
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[ext_resource type="Script" path="res://demo/scenes/showcase.gd" id="1_l12ql"]
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[ext_resource type="Theme" uid="uid://boqtjf88xcpu4" path="res://demo/assets/ui.theme" id="2_3d7dj"]
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@ -10,6 +10,7 @@
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[ext_resource type="Texture2D" uid="uid://bjakugmqbbtw7" path="res://demo/assets/arrow_right.png" id="7_5do2y"]
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[ext_resource type="PackedScene" uid="uid://bsig1usigbbuy" path="res://demo/scenes/base/arena.tscn" id="7_42nq6"]
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[ext_resource type="PackedScene" uid="uid://c5fhe3tulhlco" path="res://demo/props/dummy.tscn" id="8_apshw"]
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[ext_resource type="Script" path="res://demo/scenes/base/code_edit.gd" id="9_txke7"]
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[sub_resource type="LabelSettings" id="LabelSettings_rdr7a"]
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font = ExtResource("3_7vli5")
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@ -242,6 +243,27 @@ bbcode_enabled = true
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text = "[b]Behavior Trees[/b] are composed of tasks that represent specific actions or decision-making rules. Tasks can be broadly categorized into two main types: control tasks and leaf tasks. Control tasks determine the execution flow within the tree. They include Sequence, Selector, and Invert. Leaf tasks represent specific actions to perform, like moving or attacking, or conditions that need to be checked. The BTTask class provides the foundation for various building blocks of the Behavior Trees. BT tasks can share data with the help of the Blackboard."
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fit_content = true
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[node name="CodePopup" type="PopupPanel" parent="UI Layer/Control"]
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unique_name_in_owner = true
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position = Vector2i(135, 60)
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size = Vector2i(1024, 708)
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visible = true
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[node name="CodeEdit" type="CodeEdit" parent="UI Layer/Control/CodePopup"]
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unique_name_in_owner = true
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custom_minimum_size = Vector2(800, 700)
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anchors_preset = 15
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anchor_right = 1.0
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anchor_bottom = 1.0
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offset_left = 4.0
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offset_top = 4.0
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offset_right = -4.0
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offset_bottom = -4.0
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grow_horizontal = 2
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grow_vertical = 2
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gutters_draw_line_numbers = true
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script = ExtResource("9_txke7")
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[node name="Camera2D" type="Camera2D" parent="."]
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position = Vector2(400, 0)
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zoom = Vector2(0.88, 0.88)
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@ -262,4 +284,5 @@ position = Vector2(1106, 423)
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[connection signal="pressed" from="UI Layer/Control/Toolbar/HBoxContainer/SwitchToGame" to="." method="_on_switch_to_game_pressed"]
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[connection signal="pressed" from="UI Layer/Control/Toolbar/HBoxContainer/BeginTutorial" to="." method="_on_tutorial_pressed"]
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[connection signal="task_selected" from="UI Layer/Control/BehaviorInspector/VBoxContainer/BehaviorTreeView" to="." method="_on_behavior_tree_view_task_selected"]
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[connection signal="button_down" from="UI Layer/Control/PanelContainer/Control/Header/MinimizeDescription" to="." method="_on_minimize_description_button_down"]
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