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Write packet only once when used with PacketUtils#sendGroupedPacket

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This commit is contained in:
themode 2020-11-20 03:57:05 +01:00
parent 2d7159f888
commit 153f7215b3
1 changed files with 19 additions and 4 deletions
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21
src/main/java/net/minestom/server/utils/PacketUtils.java
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@ -2,8 +2,12 @@ package net.minestom.server.utils;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import net.minestom.server.MinecraftServer;
import net.minestom.server.entity.Player;
import net.minestom.server.listener.manager.PacketListenerManager;
import net.minestom.server.network.packet.server.ServerPacket;
import net.minestom.server.network.player.NettyPlayerConnection;
import net.minestom.server.network.player.PlayerConnection;
import net.minestom.server.utils.binary.BinaryWriter;
import org.jetbrains.annotations.NotNull;
@ -15,21 +19,32 @@ import java.util.Collection;
*/
public final class PacketUtils {
private static final PacketListenerManager PACKET_LISTENER_MANAGER = MinecraftServer.getPacketListenerManager();
private PacketUtils() {
}
/**
* Sends a {@link ServerPacket} to multiple players. Mostly used for convenience.
* Sends a {@link ServerPacket} to multiple players.
* <p>
* Be aware that this will cause the send packet listeners to be given the exact same packet object.
* Can drastically improve performance since the packet will not have to be processed as much.
*
* @param players the players to send the packet to
* @param packet the packet to send to the players
*/
public static void sendGroupedPacket(@NotNull Collection<Player> players, @NotNull ServerPacket packet) {
final ByteBuf buffer = writePacket(packet);
final boolean success = PACKET_LISTENER_MANAGER.processServerPacket(packet, players);
if (success) {
for (Player player : players) {
player.getPlayerConnection().sendPacket(packet);
final PlayerConnection playerConnection = player.getPlayerConnection();
if (playerConnection instanceof NettyPlayerConnection) {
((NettyPlayerConnection) playerConnection).getChannel().write(buffer.retainedSlice());
} else {
playerConnection.sendPacket(packet);
}
}
}
}