extends Camera3D

var rayRange = 2000

@onready var crosshair = %CrosshairCenter
@export var terminal: TerminalControls


func _physics_process(delta: float) -> void:
	Get_Camera_Collision()

		
func Get_Camera_Collision():
	var centre = get_viewport().get_size()/2
	
	var rayOrigin = project_ray_origin(centre)
	var rayEnd = rayOrigin + project_ray_normal(centre)*rayRange
	
	var newIntersection = PhysicsRayQueryParameters3D.create(rayOrigin, rayEnd)
	var intersection = get_world_3d().direct_space_state.intersect_ray(newIntersection)
	
	var is_highlighted = not intersection.is_empty()
	
	if crosshair and is_instance_valid(crosshair):
		crosshair.set_highlight(is_highlighted)

func _input(event: InputEvent) -> void:
	if event is InputEventKey and event.pressed and crosshair.is_highlighted:
		if event.is_echo(): return
		
		if event.keycode == KEY_BACKSPACE:
			terminal.InputDelChar()
		
		if event.unicode > 31:
			var character = char(event.unicode)
			if terminal: # Check that you assigned the node in the Inspector
				terminal.InputChar(character)
				
		if event.keycode == KEY_ENTER:
			terminal.EnterCommand()