1.20.1

Author: TonimatasDEV

fabric/src/main/java/net/tonimatasdev/packetfixerfabric/mixin/CustomPayloadC2SPacketMixin.java

@@ -1,15 +1,22 @@
 package net.tonimatasdev.packetfixerfabric.mixin;
 
 
-import net.minecraft.network.packet.c2s.common.CustomPayloadC2SPacket;
+import net.minecraft.network.packet.c2s.play.CustomPayloadC2SPacket;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.injection.Constant;
 import org.spongepowered.asm.mixin.injection.ModifyConstant;
 
 @Mixin(value = CustomPayloadC2SPacket.class, priority = 9999)
 public class CustomPayloadC2SPacketMixin {
-    @ModifyConstant(method = "readUnknownPayload", constant = @Constant(intValue = 32767))
+    // <= 1.20.1
+    @ModifyConstant(method = "<init>(Lnet/minecraft/network/PacketByteBuf;)V", constant = @Constant(intValue = 32767))
     private static int newSize(int value) {
         return Integer.MAX_VALUE;
     }
+
+    // 1.20.2
+    //@ModifyConstant(method = "readUnknownPayload", constant = @Constant(intValue = 32767))
+    //private static int newSize(int value) {
+    //    return Integer.MAX_VALUE;
+    //}
 }

fabric/src/main/java/net/tonimatasdev/packetfixerfabric/mixin/CustomPayloadS2CPacketMixin.java

@@ -1,14 +1,21 @@
 package net.tonimatasdev.packetfixerfabric.mixin;
 
-import net.minecraft.network.packet.s2c.common.CustomPayloadS2CPacket;
+import net.minecraft.network.packet.s2c.play.CustomPayloadS2CPacket;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.injection.Constant;
 import org.spongepowered.asm.mixin.injection.ModifyConstant;
 
 @Mixin(value = CustomPayloadS2CPacket.class, priority = 9999)
 public class CustomPayloadS2CPacketMixin {
-    @ModifyConstant(method = "readUnknownPayload", constant = @Constant(intValue = 1048576))
+    // <= 1.20.1
+    @ModifyConstant(method = "<init>*", constant = @Constant(intValue = 1048576))
     private static int newSize(int value) {
         return Integer.MAX_VALUE;
     }
+
+    // 1.20.2
+    //@ModifyConstant(method = "readUnknownPayload", constant = @Constant(intValue = 1048576))
+    //private static int newSize(int value) {
+    //    return Integer.MAX_VALUE;
+    //}
 }

fabric/src/main/java/net/tonimatasdev/packetfixerfabric/mixin/LoginQueryRequestS2CPacketMixin.java

@@ -7,8 +7,15 @@
 
 @Mixin(value = LoginQueryRequestS2CPacket.class, priority = 9999)
 public class LoginQueryRequestS2CPacketMixin {
-    @ModifyConstant(method = "readUnknownPayload", constant = @Constant(intValue = 1048576))
+    // <= 1.20.1
+    @ModifyConstant(method = "<init>(Lnet/minecraft/network/PacketByteBuf;)V", constant = @Constant(intValue = 1048576))
     private static int newSize(int value) {
         return Integer.MAX_VALUE;
     }
+
+    // 1.20.2
+    //@ModifyConstant(method = "readUnknownPayload", constant = @Constant(intValue = 1048576))
+    //private static int newSize(int value) {
+    //    return Integer.MAX_VALUE;
+    //}
 }

fabric/src/main/java/net/tonimatasdev/packetfixerfabric/mixin/LoginQueryResponseC2SPacketMixin.java

@@ -1,14 +1,25 @@
 package net.tonimatasdev.packetfixerfabric.mixin;
 
+import net.minecraft.network.PacketByteBuf;
 import net.minecraft.network.packet.c2s.login.LoginQueryResponseC2SPacket;
 import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Constant;
 import org.spongepowered.asm.mixin.injection.ModifyConstant;
+import org.spongepowered.asm.mixin.injection.ModifyVariable;
 
 @Mixin(value = LoginQueryResponseC2SPacket.class, priority = 9999)
 public class LoginQueryResponseC2SPacketMixin {
-    @ModifyConstant(method = "getVanillaPayload", constant = @Constant(intValue = 1048576))
-    private static int newSize(int value) {
-        return Integer.MAX_VALUE;
+    // <= 1.20.1
+    @ModifyVariable(method = "<init>(Lnet/minecraft/network/PacketByteBuf;)V", at = @At(value = "INVOKE_ASSIGN", target = "Lnet/minecraft/network/PacketByteBuf;readNullable(Lnet/minecraft/network/PacketByteBuf$PacketReader;)Ljava/lang/Object;"), index = 1, argsOnly = true)
+    private PacketByteBuf redirectReadNullable(PacketByteBuf value) {
+        return new PacketByteBuf(value.readBytes(value.readableBytes()));
     }
+
+
+    // 1.20.2
+    //@ModifyConstant(method = "getVanillaPayload", constant = @Constant(intValue = 1048576))
+    //private static int newSize(int value) {
+    //    return Integer.MAX_VALUE;
+    //}
 }

fabric/src/main/java/net/tonimatasdev/packetfixerfabric/mixin/PacketEncoderMixin.java

@@ -1,6 +1,6 @@
 package net.tonimatasdev.packetfixerfabric.mixin;
 
-import net.minecraft.network.handler.PacketEncoder;
+import net.minecraft.network.PacketEncoder;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.injection.Constant;
 import org.spongepowered.asm.mixin.injection.ModifyConstant;

fabric/src/main/java/net/tonimatasdev/packetfixerfabric/mixin/PacketInflaterMixin.java

@@ -1,6 +1,6 @@
 package net.tonimatasdev.packetfixerfabric.mixin;
 
-import net.minecraft.network.handler.PacketInflater;
+import net.minecraft.network.PacketInflater;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.injection.Constant;
 import org.spongepowered.asm.mixin.injection.ModifyConstant;