extends Node2D
signal exit
var tileset_tex := TextureRect.new()
var worldmaps := []
var block_images := []
var block_textures := []
var block_labels = []
var worldmap_shader_mat := preload('res://worldmap_palette_mat.tres')

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

func _exit() -> void:
	emit_signal('exit')

func _ready() -> void:
	$btn_exit.connect('pressed', self, '_exit')
	var blockmap = PoolByteArray()
	for i in 0xC0:
		blockmap.append(i)
	for i in 0x40:
		blockmap.append(i)
	for i in 3:
		worldmaps.append(MapLoader.WorldMap.new(16, 16))
		worldmaps[i].block_tile_ids = SpriteLoader.worldmap_block_tile_ids[i]
		worldmaps[i].blockmap = blockmap
		block_images.append(worldmaps[i].make_tile_map())
		block_textures.append(SpriteLoader.texture_from_image(block_images[i]))

	self.tileset_tex.show_behind_parent = true
	self.tileset_tex.material = worldmap_shader_mat.duplicate()
	self.tileset_tex.material.set_shader_param('enable_waterfall_scroll', 0)
	self.tileset_tex.material.set_shader_param('enable_sea_scroll', 0)
	self.tileset_tex.material.set_shader_param('tilemap_width', 32)
	self.tileset_tex.material.set_shader_param('uv_scale', 32)
	var _scale := 8
	var _size = Vector2.ONE * 2 * _scale
	self.tileset_tex.rect_scale *= _scale
	# x0 += 4 * _scale
	# y0 += 12 * _scale
	var pos = Vector2(0, 48)
	self.tileset_tex.rect_position = pos
	add_child(tileset_tex)

	for block in 0xC0:
		var label = Label.new()
		var p = 0  #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_LEFT
		label.valign = Label.VALIGN_TOP
		add_child(label)
		block_labels.append(label)
	$BitSelector.connect('value_changed', self, '_update_block_mask')
	$tileset_sel.connect('value_changed', self, '_update_tileset')
	self._update_tileset(0)

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 = 0  #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)

func _update_tileset(i: int):
	self.tileset_tex.texture = block_textures[i]
	self.tileset_tex.material.set_shader_param('palette', SpriteLoader.worldmap_palette_textures[i])
	self.tileset_tex.material.set_shader_param('tile_atlas', SpriteLoader.worldmap_tile_atlas_textures[i])
	var map = RomLoader.snes_data.worldmap_block_properties[i]
	var fmt = '.,'
	for b in 0xC0:
		var p = map[b]
		block_labels[b].text = fmt[p.isnt_landable_chocobo] + fmt[p.isnt_landable_black_chocobo] + fmt[p.isnt_landable_hiryuu] + fmt[p.isnt_landable_airship]