extends Node2D
var worldmap_blocks = []
var block_labels = []


func bin2str(bin: int) -> String:
	var string := ''
	for i in 8:
		if i == 4:
			string += '  '
		if ((bin >> 7-i) & 0x01) != 0:
			string += '1'
		else:
			string += '0'
	return string


# Called when the node enters the scene tree for the first time.
func _ready() -> void:
	var _scale := 5
	var _size = Vector2.ONE * 16 * _scale
	for i in 3:
		worldmap_blocks.append(TextureRect.new())
		worldmap_blocks[-1].texture = SpriteLoader.worldmap_block_atlas_textures[i]
		# worldmap_blocks[-1].texture = SpriteLoader.worldmap_tile_atlas_textures[i]
		worldmap_blocks[-1].material = SpriteLoader.shader_material.duplicate()
		worldmap_blocks[-1].material.set_shader_param('palette', SpriteLoader.worldmap_palette_textures[i])
		worldmap_blocks[-1].rect_scale *= _scale
		var pos = Vector2(i * 256 * _scale, 50)
		worldmap_blocks[-1].rect_position = pos
		add_child(worldmap_blocks[-1])
		# x0 += 4 * _scale
		# y0 += 12 * _scale
		for block in 0xC0:
			var label = Label.new()
			var p = MapLoader.worldmap_block_properties[i][block]
			label.text = '%s\n%s\n%s' % [bin2str(p&0xff), bin2str((p>>8)&0xff), bin2str(p>>16)]
			label.add_color_override('font_color_shadow', Color.black)
			label.add_constant_override('shadow_as_outline', true)
			label.rect_position = pos + (Vector2(block%16, block/16) * _size)
			label.rect_size = _size
			label.align = Label.ALIGN_CENTER
			label.valign = Label.VALIGN_CENTER
			add_child(label)
			block_labels.append(label)
	$BitSelector.connect('value_changed', self, '_update_block_mask')

func _update_block_mask(value: int):
	var mask = 0xFFFFFF if (value<0) else (1<<value)
	$BitSelectorMask.text = '%s\n%s\n%s' % [bin2str(mask&0xff), bin2str((mask>>8)&0xff), bin2str(mask>>16)]
	for i in block_labels.size():
		var p = MapLoader.worldmap_block_properties[i/0xC0][i%0xC0]
		if (p & mask) > 0:
			block_labels[i].add_color_override('font_color', Color.white)
		else:
			block_labels[i].add_color_override('font_color', Color.black)