class_name MapEditorController extends Node

##
## Default elevation height for terrain.
##
const DEFAULT_ELEVATION := 0.5

var _brush_selected := 0

@export
var _registered_brushes: Array[Image] = []

@export
var _registered_paints: Array[TerrainPaint] = []

var _paint_selected_erase := 0

var _paint_selected_blue := 0

var _paint_selected_green := 0

var _paint_selected_red := 0

##
##
##
var smooth_elevation := DEFAULT_ELEVATION

##
##
##
func disable_controls() -> void:
	set_process(false)

##
##
##
func enable_controls() -> void:
	set_process(true)

##
##
##
func get_registered_brushes() -> Array[Image]:
	return _registered_brushes

##
##
##
func get_registered_paints() -> Array[TerrainPaint]:
	return _registered_paints

##
##
##
func get_selected_brush() -> int:
	return _brush_selected

##
##
##
func get_selected_paint_blue() -> int:
	return _paint_selected_blue

##
##
##
func get_selected_paint_erase() -> int:
	return _paint_selected_erase

##
##
##
func get_selected_paint_green() -> int:
	return _paint_selected_green

##
##
##
func get_selected_paint_red() -> int:
	return _paint_selected_red

##
## Registers [code]brush_mask[/code] as a usable brush option in the editor.
##
func register_brush(brush_mask: Image) -> void:
	_registered_brushes.append(brush_mask)

##
## Registers [code]terrain_paint[/code] as a usable paint option in the editor.
##
func register_paint(terrain_paint: TerrainPaint) -> void:
	_registered_paints.append(terrain_paint)

##
## Resets the editor settings to their initial values.
##
func reset() -> void:
	select_brush(0)
	select_paint_erase(0)
	select_paint_red(0)
	select_paint_green(0)
	select_paint_blue(0)

##
##
##
func select_brush(selected_index: int) -> void:
	assert((selected_index >= 0) or (selected_index < _registered_brushes.size()))

	_brush_selected = selected_index

##
##
##
func select_paint_blue(selected_index: int) -> void:
	assert((selected_index >= 0) or (selected_index < _registered_paints.size()))

	_paint_selected_blue = selected_index

##
##
##
func select_paint_erase(selected_index: int) -> void:
	assert((selected_index >= 0) or (selected_index < _registered_paints.size()))

	_paint_selected_erase = selected_index

##
##
##
func select_paint_green(selected_index: int) -> void:
	assert((selected_index >= 0) or (selected_index < _registered_paints.size()))

	_paint_selected_green = selected_index

##
##
##
func select_paint_red(selected_index: int) -> void:
	assert((selected_index >= 0) or (selected_index < _registered_paints.size()))

	_paint_selected_red = selected_index