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purplexdev
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May 28, 2020
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src/main/java/me/purplex/packetevents/injector/PlayerInject_1_7_10.java
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package me.purplex.packetevents.injector; | ||
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import me.purplex.packetevents.PacketEvents; | ||
import me.purplex.packetevents.event.impl.PacketReceiveEvent; | ||
import me.purplex.packetevents.event.impl.PacketSendEvent; | ||
import me.purplex.packetevents.event.impl.PlayerInjectEvent; | ||
import me.purplex.packetevents.event.impl.PlayerUninjectEvent; | ||
import net.minecraft.util.io.netty.channel.Channel; | ||
import net.minecraft.util.io.netty.channel.ChannelDuplexHandler; | ||
import net.minecraft.util.io.netty.channel.ChannelHandlerContext; | ||
import net.minecraft.util.io.netty.channel.ChannelPromise; | ||
import org.bukkit.entity.Player; | ||
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class PlayerInject_1_7_10 { | ||
public static void injectPlayer(final Player player) { | ||
final ChannelDuplexHandler channelDuplexHandler = new ChannelDuplexHandler() { | ||
@Override | ||
public void channelRead(final ChannelHandlerContext ctx, final Object packet) throws Exception { | ||
String packetName = packet.getClass().getSimpleName(); | ||
PacketReceiveEvent e = new PacketReceiveEvent(player, packetName, packet); | ||
PacketEvents.getEventManager().callEvent(e); | ||
if (e.isCancelled()) { | ||
return; | ||
} | ||
super.channelRead(ctx, packet); | ||
} | ||
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@Override | ||
public void write(final ChannelHandlerContext ctx, final Object packet, final ChannelPromise promise) throws Exception { | ||
String packetName = packet.getClass().getSimpleName(); | ||
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PacketSendEvent e = new PacketSendEvent(player, packetName, packet); | ||
PacketEvents.getEventManager().callEvent(e); | ||
if (e.isCancelled()) { | ||
return; | ||
} | ||
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super.write(ctx, packet, promise); | ||
} | ||
}; | ||
final PlayerInjectEvent injectEvent = new PlayerInjectEvent(player); | ||
PacketEvents.getEventManager().callEvent(injectEvent); | ||
getChannel(player).pipeline().addBefore("packet_handler", player.getName(), channelDuplexHandler); | ||
} | ||
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public static void uninjectPlayer(final Player player) { | ||
final Channel channel = getChannel(player); | ||
final Runnable runnable = new Runnable() { | ||
@Override | ||
public void run() { | ||
channel.pipeline().remove(player.getName()); | ||
} | ||
}; | ||
final PlayerUninjectEvent uninjectEvent = new PlayerUninjectEvent(player); | ||
PacketEvents.getEventManager().callEvent(uninjectEvent); | ||
channel.eventLoop().submit(runnable); | ||
} | ||
public static Channel getChannel(final Player player) { | ||
return (Channel) ChannelManager.getChannel(player); | ||
} | ||
} |