extends Node2D

# World renderer — manages all visual representation from GameState
# Attached to the World node in main.tscn
# Render order (scene tree): TileMapLayer -> FogOverlay -> Entities

@onready var tile_renderer = $TileMapLayer
@onready var fog_renderer = $FogOverlay
@onready var entity_renderer = $Entities

var _last_tile_count: int = 0
var _last_visible_count: int = 0

func _ready() -> void:
	print("WorldRenderer: Initialized")

# Called each frame to update visuals from game state
func update_from_state() -> void:
	var tile_count := GameState.visible_tiles.size()
	var visible_count := GameState.visible_positions.size()

	# Update tiles when tile data changes (new chunks loaded, D-012)
	if tile_renderer and tile_renderer.has_method("update_tiles"):
		if tile_count > 0 and tile_count != _last_tile_count:
			tile_renderer.update_tiles(GameState.visible_tiles)
			if fog_renderer and fog_renderer.has_method("register_tile_positions"):
				fog_renderer.register_tile_positions(GameState.visible_tiles)
			_last_tile_count = tile_count

	# Update fog overlay when visibility changes
	if fog_renderer and fog_renderer.has_method("update_fog"):
		if visible_count != _last_visible_count:
			fog_renderer.update_fog(GameState.visible_positions, GameState.player_position)
			_last_visible_count = visible_count

	# Update entity sprites
	if entity_renderer and entity_renderer.has_method("update_entities"):
		entity_renderer.update_entities(GameState.visible_entities)