@tool
class_name Pool
extends StaticBody2D

@export var mana_r: int = 10
@export var mana_g: int = 10
@export var mana_b: int = 10

# Called when the node enters the scene tree for the first time.
func _ready():
	update()

# Called every frame. 'delta' is the elapsed time since the previous frame.
func _process(_delta):
	if $CollisionShape2D2.disabled:
		# Prepare the shape query parameters
		var query_parameters = PhysicsShapeQueryParameters2D.new()
		var collision_shape = $CollisionShape2D2.shape
		query_parameters.set_shape(collision_shape)
		query_parameters.set_transform(Transform2D(0, position))
		query_parameters.set_collision_mask(1) #1=players

		# Get the Physics2DDirectSpaceState for collision checking
		var space_state = get_world_2d().direct_space_state

		# Check for collision
		var collision_results = space_state.intersect_shape(query_parameters)
		if collision_results.size() == 0:
			$CollisionShape2D2.disabled=false
	
	update()
	pass

func update():
	var max_value: float = max(mana_r, mana_g, mana_b)
	if max_value==0:
		self.queue_free()
		return;
	var normalized_r = mana_r / max_value
	var normalized_g = mana_g / max_value
	var normalized_b = mana_b / max_value
	
	self.modulate = Color(normalized_r, normalized_g, normalized_b)
	var s=sqrt((mana_r+mana_g+mana_b)/1000.0)
	self.scale=Vector2(s,s)
	self.queue_redraw()  # Request to redraw the node


func decay():
	var new_player = load("res://player.tscn").instantiate()
	new_player.get_node("CharacterBody2D").velocity = Vector2.from_angle(randf_range(0, 2 * PI)) * 100
	new_player.get_node("CharacterBody2D").position = position
	new_player.get_node("CharacterBody2D").exchange_with(self)
	new_player.get_node("CharacterBody2D/CollisionShape2D").disabled=true
	get_tree().root.add_child(new_player)