minecraft-src/net/minecraft/network/protocol/game/ClientboundUpdateMobEffectPacket.java
2025-07-04 01:41:11 +03:00

109 lines
2.9 KiB
Java

package net.minecraft.network.protocol.game;
import net.minecraft.core.Holder;
import net.minecraft.network.RegistryFriendlyByteBuf;
import net.minecraft.network.codec.StreamCodec;
import net.minecraft.network.protocol.Packet;
import net.minecraft.network.protocol.PacketType;
import net.minecraft.world.effect.MobEffect;
import net.minecraft.world.effect.MobEffectInstance;
public class ClientboundUpdateMobEffectPacket implements Packet<ClientGamePacketListener> {
public static final StreamCodec<RegistryFriendlyByteBuf, ClientboundUpdateMobEffectPacket> STREAM_CODEC = Packet.codec(
ClientboundUpdateMobEffectPacket::write, ClientboundUpdateMobEffectPacket::new
);
private static final int FLAG_AMBIENT = 1;
private static final int FLAG_VISIBLE = 2;
private static final int FLAG_SHOW_ICON = 4;
private static final int FLAG_BLEND = 8;
private final int entityId;
private final Holder<MobEffect> effect;
private final int effectAmplifier;
private final int effectDurationTicks;
private final byte flags;
public ClientboundUpdateMobEffectPacket(int entityId, MobEffectInstance effect, boolean blend) {
this.entityId = entityId;
this.effect = effect.getEffect();
this.effectAmplifier = effect.getAmplifier();
this.effectDurationTicks = effect.getDuration();
byte b = 0;
if (effect.isAmbient()) {
b = (byte)(b | 1);
}
if (effect.isVisible()) {
b = (byte)(b | 2);
}
if (effect.showIcon()) {
b = (byte)(b | 4);
}
if (blend) {
b = (byte)(b | 8);
}
this.flags = b;
}
private ClientboundUpdateMobEffectPacket(RegistryFriendlyByteBuf buffer) {
this.entityId = buffer.readVarInt();
this.effect = MobEffect.STREAM_CODEC.decode(buffer);
this.effectAmplifier = buffer.readVarInt();
this.effectDurationTicks = buffer.readVarInt();
this.flags = buffer.readByte();
}
private void write(RegistryFriendlyByteBuf buffer) {
buffer.writeVarInt(this.entityId);
MobEffect.STREAM_CODEC.encode(buffer, this.effect);
buffer.writeVarInt(this.effectAmplifier);
buffer.writeVarInt(this.effectDurationTicks);
buffer.writeByte(this.flags);
}
@Override
public PacketType<ClientboundUpdateMobEffectPacket> type() {
return GamePacketTypes.CLIENTBOUND_UPDATE_MOB_EFFECT;
}
/**
* Passes this Packet on to the NetHandler for processing.
*/
public void handle(ClientGamePacketListener handler) {
handler.handleUpdateMobEffect(this);
}
public int getEntityId() {
return this.entityId;
}
public Holder<MobEffect> getEffect() {
return this.effect;
}
public int getEffectAmplifier() {
return this.effectAmplifier;
}
public int getEffectDurationTicks() {
return this.effectDurationTicks;
}
public boolean isEffectVisible() {
return (this.flags & 2) != 0;
}
public boolean isEffectAmbient() {
return (this.flags & 1) != 0;
}
public boolean effectShowsIcon() {
return (this.flags & 4) != 0;
}
public boolean shouldBlend() {
return (this.flags & 8) != 0;
}
}