78 lines
2.1 KiB
GDScript
78 lines
2.1 KiB
GDScript
@tool
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@icon("wander_behavior.svg")
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class_name WBWanderBehavior
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extends WBCharacterBehavior
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## A behavior that makes a character randomly wander around within a specified area.
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## Rectangle enclosing the tiles the character is allowed to move to.
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@export var territory: Rect2i
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## Minimum distance to travel in one "burst".
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@export var min_distance: int
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## Maximum distance to travel in one "burst".
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@export var max_distance: int
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## Minimum time to idle after finishing a "burst".
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@export_custom(0, "suffix:s") var min_idle: float
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## Maximum time to idle after finishing a "burst".
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@export_custom(0, "suffix:s") var max_idle: float
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## Whether the character should run.
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@export var run: bool = false
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func _init() -> void:
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if Engine.is_editor_hint():
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add_child(DebugView.new(self))
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func _activate() -> void:
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if character:
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_do_move()
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func _do_move() -> void:
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if not active:
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return
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var remaining_distance: int = randi_range(min_distance, max_distance)
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var dir: WBCharacter.Dir = WBCharacter.Dir.values().pick_random()
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while remaining_distance > 0:
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while not territory.has_point(character.tile_position + Vector2i(WBCharacter.DIR_VECTORS[dir])):
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dir = WBCharacter.Dir.values().pick_random()
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character.running = run
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character.start_move(dir)
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if character.moving:
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await character.move_finished
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remaining_distance -= 1
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await create_tween().tween_interval(randf_range(min_idle, max_idle)).finished
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_do_move()
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class DebugView extends Node2D:
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var behavior: WBWanderBehavior
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func _init(p_behavior: WBWanderBehavior) -> void:
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behavior = p_behavior
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func _process(delta: float) -> void:
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if Engine.get_frames_drawn() % 60 == 0:
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queue_redraw()
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func _draw() -> void:
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if not behavior.character:
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return
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var position := to_local(Vector2(behavior.territory.position) * behavior.character.tile_size)
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var size := Vector2(behavior.territory.size) * behavior.character.tile_size
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var color := Color.MEDIUM_PURPLE
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var width := -1.0
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var selection := EditorInterface.get_selection()
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if behavior in selection.get_selected_nodes():
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color = Color.PURPLE
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width = 2.0
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draw_rect(
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Rect2(position, size),
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color, false, width
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)
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