game: add simple damage-numbers scene

scenes/damage_numbers.gd

@@ -0,0 +1,25 @@
+extends Node2D
+
+@export var damage_taken: float
+@export var player_damage: bool = true 
+@export var critical_damage: bool = false
+
+@onready var animation_player: AnimationPlayer = $Control/AnimationPlayer
+@onready var label: Label = $Control/Label
+
+const COLOR_CRIT = Color.GOLD
+const COLOR_REGULAR = Color.WHITE
+const COLOR_PLAYER = Color.CRIMSON
+
+func _ready() -> void:
+	if !player_damage:
+		label.add_theme_color_override("font_color", COLOR_PLAYER)
+	if critical_damage:
+		label.add_theme_color_override("font_color", COLOR_CRIT)
+	label.add_theme_font_size_override("font_size", 8)
+	label.text = "%0.0f" % damage_taken
+	animation_player.play("normal_damage")
+	animation_player.animation_finished.connect(_on_animation_finished)
+	
+func _on_animation_finished(_name: String):
+	queue_free()