Added rpg system for combat

added lots of loot to find
added level up system

src/scripts/attack_axe_swing.gd

@@ -0,0 +1,64 @@
+extends Node2D
+
+var direction := Vector2.ZERO # Default direction
+var fade_delay := 0.14 # When to start fading (mid-move)
+var move_duration := 0.2 # Slash exists for 0.3 seconds
+var fade_duration := 0.06 # Time to fade out
+var stretch_amount := Vector2(1, 1.4) # How much to stretch the sprite
+var slash_amount = 8
+var initiated_by: Node2D = null
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	call_deferred("_initialize_swing")
+	pass # Replace with function body.
+	
+func _initialize_swing():
+	var tween = create_tween()
+	var move_target = global_position + (direction.normalized() * slash_amount) # Moves in given direction
+	tween.set_trans(Tween.TRANS_CUBIC) # Smooth acceleration & deceleration
+	tween.set_ease(Tween.EASE_OUT) # Fast start, then slows down
+	tween.tween_property(self, "global_position", move_target, move_duration)
+	'	
+	# Create stretch tween (grow and shrink slightly)
+	var stretch_tween = create_tween()
+	stretch_tween.set_trans(Tween.TRANS_CUBIC)
+	stretch_tween.set_ease(Tween.EASE_OUT)
+	stretch_tween.tween_property($Sprite2D, "scale", Vector2.ONE, move_duration / 2)  # start normal
+	stretch_tween.tween_property($Sprite2D, "scale", stretch_amount, move_duration / 2)
+	'
+	
+	# Wait until mid-move to start fade
+	await get_tree().create_timer(fade_delay).timeout
+	
+	# Start fade-out effect
+	var fade_tween = create_tween()
+	fade_tween.tween_property($Sprite2D, "modulate:a", 0.0, fade_duration) # Fade to transparent
+	await fade_tween.finished
+	queue_free()
+	pass
+
+func _on_damage_area_body_entered(body: Node2D) -> void:
+	if body.get_parent() == initiated_by or body == initiated_by:
+		return
+	if body.get_parent() is CharacterBody2D and body.get_parent().stats.is_invulnerable == false and body.get_parent().stats.hp > 0: # hit an enemy
+		$MeleeImpact.play()
+		body.take_damage(self, initiated_by)
+		pass
+	else:
+		$MeleeImpactWall.play()
+		pass
+	pass # Replace with function body.
+
+
+func _on_damage_area_area_entered(body: Area2D) -> void:
+	if body.get_parent() == initiated_by:
+		return
+	if body.get_parent() is CharacterBody2D and body.get_parent().stats.is_invulnerable == false and body.get_parent().stats.hp > 0: # hit an enemy
+		$MeleeImpact.play()
+		body.get_parent().take_damage(self, initiated_by)
+		pass
+	else:
+		$MeleeImpactWall.play()
+		pass
+	pass # Replace with function body.