extends Node2D

class_name EntityHolder

const GRID_SIZE : Vector2 = Vector2(16,16)

@export var building_zone : BuildZone
var constructions : Array[Construction]

func _ready() -> void:
	constructions.resize(building_zone.get_capacity())

func add_construction(construction : Construction) -> bool:
	var construction_dp = construction.get_dimension_points()
	for point in construction_dp:
		if constructions[building_zone.indexify_global_point(construction.global_position + point)]:
			return false
	construction.reparent(self)
	construction.global_position = building_zone.get_placement_position(construction.global_position)
	for point in construction_dp:
		constructions[building_zone.indexify_global_point(construction.global_position + point)] = construction
	return true

func get_at(point : Vector2) -> Construction:
	return constructions[building_zone.indexify_global_point(point)]

func is_point_occupied(point : Vector2) -> bool:
	return get_at(point) != null