54 lines
975 B
GDScript
54 lines
975 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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signal on_health_change(delta: float, total_health: float)
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signal on_death
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func _get_delta(value: float) -> float:
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var old_value = health
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return value - old_value
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func set_health(new_value: float):
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var delta = _get_delta(new_value)
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if new_value >= max_health:
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health = max_health
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on_health_change.emit(delta, health)
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return
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health = new_value
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if health <= 0:
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on_death.emit()
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return
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on_health_change.emit(delta, health)
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func decrease_health(value: float):
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var delta = _get_delta(value)
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health -= value
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if health <= 0:
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on_death.emit()
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return
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on_health_change.emit(delta, health)
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func increase_health(value: float):
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var delta = _get_delta(value)
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health += value
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if health >= max_health:
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health = max_health
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on_health_change.emit(delta, health)
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return
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health += value
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on_health_change.emit(delta, health)
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