ActuallyAdditions/src/main/java/de/ellpeck/actuallyadditions/mod/util/VanillaPacketDispatcher.java

package de.ellpeck.actuallyadditions.mod.util;

import net.minecraft.entity.player.EntityPlayerMP;
import net.minecraft.server.management.PlayerChunkMapEntry;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.World;
import net.minecraft.world.WorldServer;

public final class VanillaPacketDispatcher {

	//Don't call from the client.
	public static void dispatchTEToNearbyPlayers(TileEntity tile) {
		WorldServer world = (WorldServer) tile.getWorld();
		PlayerChunkMapEntry entry = world.getPlayerChunkMap().getEntry(tile.getPos().getX() >> 4, tile.getPos().getZ() >> 4);

		if (entry == null) return;

		for (EntityPlayerMP player : entry.getWatchingPlayers())
			((EntityPlayerMP) player).connection.sendPacket(tile.getUpdatePacket());

	}

	public static void dispatchTEToNearbyPlayers(World world, BlockPos pos) {
		TileEntity tile = world.getTileEntity(pos);
		if (tile != null) dispatchTEToNearbyPlayers(tile);
	}
}