extends Node

# Updated each frame from ObserverSnapshot data (Protocol format: {tick, entities}).
# Entities use Protocol decoded format: {entity_id, x, y, z, kind: {variant, data}}.
var current_snapshot: Dictionary = {}
var current_tick: int = 0
var player_position: Vector2 = Vector2.ZERO
var visible_entities: Array = []

# Player entity ID — the first entity is assumed to be the player (will be
# refined when the server assigns explicit player entity IDs).
var player_entity_id: int = 1

func apply_snapshot(snapshot: Dictionary) -> void:
	current_snapshot = snapshot

	if snapshot.has("tick"):
		current_tick = snapshot.tick

	if snapshot.has("entities"):
		visible_entities = snapshot.entities
		# Derive player position from the player entity
		for entity in visible_entities:
			if entity.has("entity_id") and entity.entity_id == player_entity_id:
				player_position = Vector2(entity.x, entity.y)
				break