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Author SHA1 Message Date
Nassim Jahnke 57751ea82a
Merge e7ca4d001d into a185e520e1 2024-04-04 03:07:57 +02:00
KennyTV e7ca4d001d
Reset max health attribute on server switch 2020-06-06 20:25:31 +02:00
1 changed files with 190 additions and 0 deletions
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BungeeCord-Patches/0056-Reset-max-health-on-server-switch.patch Normal file
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@ -0,0 +1,190 @@
From 37e73a01d236c2436cc615778fd1393fa2d9f57d Mon Sep 17 00:00:00 2001
From: KennyTV <kennytv@t-online.de>
Date: Sat, 6 Jun 2020 20:23:18 +0200
Subject: [PATCH] Reset max health on server switch
diff --git a/protocol/src/main/java/net/md_5/bungee/protocol/AbstractPacketHandler.java b/protocol/src/main/java/net/md_5/bungee/protocol/AbstractPacketHandler.java
index 252389bd..9f1d56dc 100644
--- a/protocol/src/main/java/net/md_5/bungee/protocol/AbstractPacketHandler.java
+++ b/protocol/src/main/java/net/md_5/bungee/protocol/AbstractPacketHandler.java
@@ -7,6 +7,7 @@ import net.md_5.bungee.protocol.packet.ClientStatus;
import net.md_5.bungee.protocol.packet.Commands;
import net.md_5.bungee.protocol.packet.EncryptionRequest;
import net.md_5.bungee.protocol.packet.EncryptionResponse;
+import net.md_5.bungee.protocol.packet.EntityAttributes; // Waterfall
import net.md_5.bungee.protocol.packet.EntityEffect; // Waterfall
import net.md_5.bungee.protocol.packet.EntityRemoveEffect; // Waterfall
import net.md_5.bungee.protocol.packet.EntityStatus;
@@ -189,5 +190,9 @@ public abstract class AbstractPacketHandler
public void handle(EntityRemoveEffect removeEffect) throws Exception
{
}
+
+ public void handle(EntityAttributes removeEffect) throws Exception
+ {
+ }
// Waterfall end
}
diff --git a/protocol/src/main/java/net/md_5/bungee/protocol/Protocol.java b/protocol/src/main/java/net/md_5/bungee/protocol/Protocol.java
index aa1515f4..6b838527 100644
--- a/protocol/src/main/java/net/md_5/bungee/protocol/Protocol.java
+++ b/protocol/src/main/java/net/md_5/bungee/protocol/Protocol.java
@@ -15,6 +15,7 @@ import net.md_5.bungee.protocol.packet.ClientSettings;
import net.md_5.bungee.protocol.packet.Commands;
import net.md_5.bungee.protocol.packet.EncryptionRequest;
import net.md_5.bungee.protocol.packet.EncryptionResponse;
+import net.md_5.bungee.protocol.packet.EntityAttributes; // Waterfall
import net.md_5.bungee.protocol.packet.EntityStatus;
import net.md_5.bungee.protocol.packet.GameState;
import net.md_5.bungee.protocol.packet.EntityEffect;
@@ -130,6 +131,18 @@ public enum Protocol
map(ProtocolConstants.MINECRAFT_1_14, 0x38),
map(ProtocolConstants.MINECRAFT_1_15, 0x39)
);
+ TO_CLIENT.registerPacket(
+ EntityAttributes.class,
+ EntityAttributes::new,
+ map( ProtocolConstants.MINECRAFT_1_8, 0x20 ),
+ map( ProtocolConstants.MINECRAFT_1_9, 0x4B ),
+ map( ProtocolConstants.MINECRAFT_1_9_4, 0x4A ),
+ map( ProtocolConstants.MINECRAFT_1_12, 0x4D ),
+ map( ProtocolConstants.MINECRAFT_1_12_1, 0x4E ),
+ map( ProtocolConstants.MINECRAFT_1_13, 0x52 ),
+ map( ProtocolConstants.MINECRAFT_1_14, 0x58 ),
+ map( ProtocolConstants.MINECRAFT_1_15, 0x59 )
+ );
// Waterfall end
TO_CLIENT.registerPacket(
PlayerListItem.class, // PlayerInfo
diff --git a/protocol/src/main/java/net/md_5/bungee/protocol/packet/EntityAttributes.java b/protocol/src/main/java/net/md_5/bungee/protocol/packet/EntityAttributes.java
new file mode 100644
index 00000000..487444bb
--- /dev/null
+++ b/protocol/src/main/java/net/md_5/bungee/protocol/packet/EntityAttributes.java
@@ -0,0 +1,109 @@
+package net.md_5.bungee.protocol.packet;
+
+import io.netty.buffer.ByteBuf;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.NoArgsConstructor;
+import net.md_5.bungee.protocol.AbstractPacketHandler;
+import net.md_5.bungee.protocol.DefinedPacket;
+import net.md_5.bungee.protocol.ProtocolConstants;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.UUID;
+
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+@EqualsAndHashCode(callSuper = false)
+public class EntityAttributes extends DefinedPacket
+{
+
+ private int entityId;
+ private List<Attribute> attributes;
+
+ public EntityAttributes(int entityId)
+ {
+ this.entityId = entityId;
+ }
+
+ @Override
+ public void read(ByteBuf buf, ProtocolConstants.Direction direction, int protocolVersion)
+ {
+ entityId = readVarInt( buf );
+ int count = buf.readInt();
+ attributes = new ArrayList<>( count );
+ for ( int i = 0; i < count; i++ )
+ {
+ Attribute attribute = new Attribute();
+ attribute.key = readString( buf );
+ attribute.value = buf.readDouble();
+ int modifierCount = readVarInt( buf );
+ attribute.modifierList = new ArrayList<>( modifierCount );
+ for ( int j = 0; j < modifierCount; j++ )
+ {
+ AttributeModifier modifier = new AttributeModifier();
+ modifier.uuid = readUUID( buf );
+ modifier.amount = buf.readDouble();
+ modifier.operation = buf.readByte();
+ attribute.modifierList.add( modifier );
+ }
+ attributes.add( attribute );
+ }
+ }
+
+ @Override
+ public void write(ByteBuf buf, ProtocolConstants.Direction direction, int protocolVersion)
+ {
+ writeVarInt( entityId, buf );
+ buf.writeInt( attributes.size() );
+ for ( Attribute attribute : attributes )
+ {
+ writeString( attribute.key, buf );
+ buf.writeDouble( attribute.value );
+ writeVarInt( attribute.modifierList.size(), buf );
+ for ( AttributeModifier modifier : attribute.modifierList )
+ {
+ writeUUID( modifier.uuid, buf );
+ buf.writeDouble( modifier.amount );
+ buf.writeByte( modifier.operation );
+ }
+ }
+ }
+
+ @Override
+ public void handle(AbstractPacketHandler handler) throws Exception
+ {
+ handler.handle( this );
+ }
+
+ @Data
+ @NoArgsConstructor
+ @AllArgsConstructor
+ public static class Attribute
+ {
+
+ private String key;
+ private double value;
+ private List<AttributeModifier> modifierList;
+ }
+
+ @Data
+ public static class AttributeModifier
+ {
+
+ private UUID uuid;
+ private double amount;
+ private byte operation;
+ }
+
+ public static EntityAttributes createDefaultHealth(int entityId, int protocolVersion)
+ {
+ EntityAttributes packet = new EntityAttributes( entityId );
+ String key = "generic.maxHealth"; //TODO Differentiate for 1.16: minecraft:generic.max_health
+ packet.attributes = Collections.singletonList( new Attribute( key, 20, Collections.emptyList() ) );
+ return packet;
+ }
+}
diff --git a/proxy/src/main/java/net/md_5/bungee/ServerConnector.java b/proxy/src/main/java/net/md_5/bungee/ServerConnector.java
index 35a19224..fdb48892 100644
--- a/proxy/src/main/java/net/md_5/bungee/ServerConnector.java
+++ b/proxy/src/main/java/net/md_5/bungee/ServerConnector.java
@@ -285,6 +285,8 @@ public class ServerConnector extends PacketHandler
}
user.getSentBossBars().clear();
+ user.unsafe().sendPacket( net.md_5.bungee.protocol.packet.EntityAttributes.createDefaultHealth( user.getClientEntityId(), user.getPendingConnection().getVersion() ) ); // Waterfall - Reset max health attribute
+
// Update debug info from login packet
user.unsafe().sendPacket( new EntityStatus( user.getClientEntityId(), login.isReducedDebugInfo() ? EntityStatus.DEBUG_INFO_REDUCED : EntityStatus.DEBUG_INFO_NORMAL ) );
// And immediate respawn
--
2.26.2.windows.1