class_name SonarContact
extends RefCounted

const SonarMaterial = preload("res://game/domain/sonar/sonar_material.gd")

var contact_id: StringName
var material: SonarMaterial.Value
var center_m: Vector3
var bounds: AABB
var maximum_intensity: float
var sample_count: int


func _init(
	p_contact_id: StringName,
	p_material: SonarMaterial.Value,
	p_center_m: Vector3,
	p_bounds: AABB,
	p_maximum_intensity: float,
	p_sample_count: int
) -> void:
	contact_id = p_contact_id
	material = p_material
	center_m = p_center_m
	bounds = p_bounds
	maximum_intensity = p_maximum_intensity
	sample_count = p_sample_count


func validation_error() -> String:
	if contact_id.is_empty():
		return "sonar contact id is empty"
	if material == SonarMaterial.Value.UNKNOWN or not SonarMaterial.is_valid(material):
		return "sonar contact material is invalid"
	if sample_count <= 0:
		return "sonar contact sample count must be positive"
	if not is_finite(maximum_intensity) or maximum_intensity < 0.0 or maximum_intensity > 1.0:
		return "sonar contact intensity must be between 0 and 1"
	return ""