@tool
extends ColorRect

@export var grid_size := Vector2i(32, 18):
	set(value):
		grid_size = value
		if is_node_ready():
			_update_material()
@export var monitor_boundary := 0:
	set(value):
		monitor_boundary = value
		if is_node_ready():
			_update_material()

func _ready() -> void:
	theme_changed.connect(_update_material)
	_update_material()

func _gui_input(_event: InputEvent) -> void:
	accept_event()

func _update_material() -> void:
	var shader_material := material as ShaderMaterial
	shader_material.set_shader_parameter("grid_size", Vector2(grid_size))
	shader_material.set_shader_parameter("monitor_boundary", float(monitor_boundary))
	shader_material.set_shader_parameter("line_color", get_theme_color("instrument_grid", "SurfaceSide"))
	shader_material.set_shader_parameter("boundary_color", get_theme_color("accent", "SurfaceSide"))