extends Node3D


@export var meshInstance: MeshInstance3D
@export var preview_shader: ShaderMaterial

var default_shaders: Array

func _ready() -> void:
	Global.preview_created.connect(_on_preview_create)
	Global.object_placed.connect(_on_object_placed)
	set_default_shaders()


func set_default_shaders():
	var amount_shaders = meshInstance.get_surface_override_material_count()
	default_shaders.resize( amount_shaders)
	
	for i in amount_shaders:
		default_shaders[i] = meshInstance.get_surface_override_material(i)

func restore_default_shaders():
	for i in meshInstance.get_surface_override_material_count():
		meshInstance.set_surface_override_material(i,default_shaders[i])
	pass

func set_preview_shader_color():
	if true:
		set_green_color()
	for i in meshInstance.get_surface_override_material_count():
		meshInstance.set_surface_override_material(i,preview_shader)
	pass

func set_green_color():
	preview_shader.set_shader_parameter("color", Vector3(0,1.0,0))
	
func set_red_color():
	preview_shader.set_shader_parameter("color", Vector3(1.0,0,0))
	pass



func _on_preview_create():
	set_preview_shader_color()


func _on_object_placed():
	restore_default_shaders()