godot-demo-projects/2d/role_playing_game/combat/combatants/health.gd

extends Node

signal dead
signal health_changed(life: float)

@export var life := 0
@export var max_life := 10
@export var base_armor := 0

var armor := 0

func _ready() -> void:
	armor = base_armor


func take_damage(damage: int) -> void:
	life = life - damage + armor
	if life <= 0:
		dead.emit()
	else:
		health_changed.emit(life)


func heal(amount: int) -> void:
	life += amount
	life = clamp(life, life, max_life)
	health_changed.emit(life)


func get_health_ratio() -> float:
	return float(life) / max_life