49 lines
1001 B
GDScript
49 lines
1001 B
GDScript
class_name HealthComponent
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extends Node
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@export var health: float = 1.0
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@export var max_health: float = 1.0
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@export var hurt_fx: AudioStreamPlayer2D
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@export var heal_fx: AudioStreamPlayer2D
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signal on_health_change(delta: float, total_health: float)
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signal on_death
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func _get_delta(new_value: float) -> float:
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return new_value - health
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func set_health(new_value: float):
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_apply_health_change(new_value)
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func decrease_health(value: float):
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_apply_health_change(health - value)
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func increase_health(value: float):
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_apply_health_change(health + value)
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func _apply_health_change(new_health: float, play_fx: bool = true) -> void:
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new_health = clamp(new_health, 0.0, max_health)
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var delta := new_health - health
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if delta == 0.0:
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return # No change
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if play_fx:
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if delta > 0 and heal_fx:
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heal_fx.play()
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elif delta < 0 and hurt_fx:
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hurt_fx.play()
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await hurt_fx.finished
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health = new_health
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if health <= 0:
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on_death.emit()
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else:
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on_health_change.emit(delta, health)
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