(1.21.8) migrate to moj mapping

build.gradle

@@ -1,8 +1,8 @@
 plugins {
     id 'maven-publish'
-    id("io.freefair.lombok") version "8.6"
+    id("io.freefair.lombok") version "9.5.0"
     id("com.gradleup.shadow") version "9.3.1"
-    id 'fabric-loom' version '1.10.1'
+    id 'fabric-loom' version '1.17-SNAPSHOT'
 }
 
 version = project.mod_version
@@ -23,7 +23,7 @@ repositories {
 dependencies {
     // To change the versions see the gradle.properties file1
     minecraft "com.mojang:minecraft:${project.minecraft_version}"
-    mappings "net.fabricmc:yarn:${project.yarn_mappings}:v2"
+    mappings loom.officialMojangMappings()
     modImplementation "net.fabricmc:fabric-loader:${project.loader_version}"
     modImplementation 'me.lucko:fabric-permissions-api:0.3.1'
     // Fabric API. This is technically optional, but you probably want it anyway.

gradle/wrapper/gradle-wrapper.properties

@@ -1 +1 @@
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.12-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.2.1-bin.zip

src/main/java/io/ib67/sfcraft/SFRegistries.java

@@ -2,14 +2,14 @@ package io.ib67.sfcraft;
 
 import net.fabricmc.fabric.api.event.registry.FabricRegistryBuilder;
 import net.fabricmc.fabric.api.event.registry.RegistryAttribute;
-import net.minecraft.item.Item;
-import net.minecraft.registry.Registry;
-import net.minecraft.registry.RegistryKey;
-import net.minecraft.util.Identifier;
+import net.minecraft.core.Registry;
+import net.minecraft.resources.ResourceKey;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.world.item.Item;
 
 public class SFRegistries {
     public static final Registry<Item> ITEMS = FabricRegistryBuilder
-            .<Item>createSimple(RegistryKey.ofRegistry(Identifier.of(SFCraft.MOD_ID, "item")))
+            .<Item>createSimple(ResourceKey.createRegistryKey(ResourceLocation.fromNamespaceAndPath(SFCraft.MOD_ID, "item")))
             .attribute(RegistryAttribute.MODDED)
             .buildAndRegister();
 }

src/main/java/io/ib67/sfcraft/callback/SFCallbacks.java

@@ -3,16 +3,15 @@ package io.ib67.sfcraft.callback;
 import com.mojang.datafixers.util.Either;
 import net.fabricmc.fabric.api.event.Event;
 import net.fabricmc.fabric.api.event.EventFactory;
-import net.minecraft.entity.damage.DamageSource;
-import net.minecraft.entity.player.PlayerEntity;
-import net.minecraft.network.ClientConnection;
+import net.minecraft.core.BlockPos;
+import net.minecraft.network.Connection;
+import net.minecraft.network.chat.Component;
+import net.minecraft.network.protocol.status.ServerStatus;
 import net.minecraft.server.MinecraftServer;
-import net.minecraft.server.ServerMetadata;
-import net.minecraft.server.network.ServerPlayerEntity;
-import net.minecraft.text.Text;
+import net.minecraft.server.level.ServerPlayer;
 import net.minecraft.util.Unit;
-import net.minecraft.util.math.BlockPos;
-
+import net.minecraft.world.damagesource.DamageSource;
+import net.minecraft.world.entity.player.Player;
 import java.util.function.Consumer;
 
 import static io.ib67.sfcraft.callback.Utility.*;
@@ -39,35 +38,35 @@ public interface SFCallbacks {
             l -> (p, s) -> forEach(l, i -> i.onAFKStatus(p, s)));
 
     interface PlayerAFKCallback {
-        void onAFKStatus(ServerPlayerEntity player, boolean inAFK);
+        void onAFKStatus(ServerPlayer player, boolean inAFK);
     }
 
     interface PlayerFlyingCallback {
-        void onFlyingTick(PlayerEntity player, long flyingTick, boolean flying);
+        void onFlyingTick(Player player, long flyingTick, boolean flying);
     }
 
     interface PlayerSneakingCallback {
-        void onSneaking(PlayerEntity player, boolean sneak);
+        void onSneaking(Player player, boolean sneak);
     }
 
     interface PlayerIdlingCallback {
-        void onSwitchIdle(ServerPlayerEntity player, boolean afk);
+        void onSwitchIdle(ServerPlayer player, boolean afk);
     }
 
     interface ServerMotdCallback {
-        ServerMetadata onMotd(MinecraftServer server, ClientConnection connection);
+        ServerStatus onMotd(MinecraftServer server, Connection connection);
     }
 
     interface PlayerDeathCallback {
-        void onPlayerDeath(PlayerEntity player, DamageSource damageSource);
+        void onPlayerDeath(Player player, DamageSource damageSource);
     }
 
     interface PlayerPreLoginCallback {
-        void onPlayerPreLogin(String currentPlayer, ClientConnection connection, Consumer<Text> disconnect, boolean offline);
+        void onPlayerPreLogin(String currentPlayer, Connection connection, Consumer<Component> disconnect, boolean offline);
     }
 
     interface PlayerSleepCallback {
 
-        Either<PlayerEntity.SleepFailureReason, Unit> onPlayerSleep(PlayerEntity player, BlockPos pos);
+        Either<Player.BedSleepingProblem, Unit> onPlayerSleep(Player player, BlockPos pos);
     }
 }

src/main/java/io/ib67/sfcraft/entity/SFGuiderEntity.java

@@ -1,29 +1,29 @@
 package io.ib67.sfcraft.entity;
 
 import net.fabricmc.fabric.api.networking.v1.PlayerLookup;
-import net.minecraft.entity.EntityType;
-import net.minecraft.entity.passive.AllayEntity;
-import net.minecraft.server.network.ServerPlayerEntity;
-import net.minecraft.server.world.ServerWorld;
-import net.minecraft.text.Text;
-import net.minecraft.world.World;
+import net.minecraft.network.chat.Component;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.world.entity.EntityType;
+import net.minecraft.world.entity.animal.allay.Allay;
+import net.minecraft.world.level.Level;
 
-public class SFGuiderEntity extends AllayEntity {
-    public SFGuiderEntity(EntityType<SFGuiderEntity> entityEntityType, World world) {
+public class SFGuiderEntity extends Allay {
+    public SFGuiderEntity(EntityType<SFGuiderEntity> entityEntityType, Level world) {
         super(entityEntityType, world);
     }
 
     @Override
-    public Text getName() {
-        return Text.of("guider");
+    public Component getName() {
+        return Component.nullToEmpty("guider");
     }
 
     @Override
     public void tick() {
         super.tick();
-        var nearbyPlayer = PlayerLookup.around((ServerWorld) getWorld(), getPos(), 20D);
-        for (ServerPlayerEntity serverPlayerEntity : nearbyPlayer) {
-            this.navigation.startMovingTo(serverPlayerEntity, 2f);
+        var nearbyPlayer = PlayerLookup.around((ServerLevel) level(), position(), 20D);
+        for (ServerPlayer serverPlayerEntity : nearbyPlayer) {
+            this.navigation.moveTo(serverPlayerEntity, 2f);
             break;
         }
     }

src/main/java/io/ib67/sfcraft/init/PreInitHandler.java

@@ -2,19 +2,18 @@ package io.ib67.sfcraft.init;
 
 import lombok.RequiredArgsConstructor;
 import net.fabricmc.fabric.api.networking.v1.PacketSender;
+import net.minecraft.network.chat.Component;
 import net.minecraft.server.MinecraftServer;
-import net.minecraft.server.network.ServerPlayNetworkHandler;
-import net.minecraft.text.Text;
-
+import net.minecraft.server.network.ServerGamePacketListenerImpl;
 import java.util.concurrent.atomic.AtomicBoolean;
 
 @RequiredArgsConstructor
 public class PreInitHandler {
     private final AtomicBoolean initialized;
 
-    void defend(ServerPlayNetworkHandler handler, PacketSender sender, MinecraftServer server) {
+    void defend(ServerGamePacketListenerImpl handler, PacketSender sender, MinecraftServer server) {
         if (!initialized.get()) {
-            handler.disconnect(Text.of("Server is initializing, please wait."));
+            handler.disconnect(Component.nullToEmpty("Server is initializing, please wait."));
         }
     }
 }

src/main/java/io/ib67/sfcraft/mixin/common/EntityMixin.java

@@ -4,9 +4,6 @@ import io.ib67.sfcraft.SFCraft;
 import io.ib67.sfcraft.callback.SFCallbacks;
 import io.ib67.sfcraft.module.RoomModule;
 import io.ib67.sfcraft.registry.RoomRegistry;
-import net.minecraft.entity.Entity;
-import net.minecraft.entity.player.PlayerEntity;
-import net.minecraft.world.TeleportTarget;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Shadow;
 import org.spongepowered.asm.mixin.Unique;
@@ -16,31 +13,34 @@ import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
 
 import java.util.UUID;
+import net.minecraft.world.entity.Entity;
+import net.minecraft.world.entity.player.Player;
+import net.minecraft.world.level.portal.TeleportTransition;
 
 @Mixin(Entity.class)
 public abstract class EntityMixin {
-    @Inject(method = "setSneaking", at = @At("HEAD"))
+    @Inject(method = "setShiftKeyDown", at = @At("HEAD"))
     public void onSneaking(boolean sneaking, CallbackInfo ci) {
-        if ($this() instanceof PlayerEntity pe) {
+        if ($this() instanceof Player pe) {
             SFCallbacks.PLAYER_SNEAKING.invoker().onSneaking(pe, sneaking);
         }
     }
 
     @Shadow
-    public abstract UUID getUuid();
+    public abstract UUID getUUID();
 
-    @Inject(at = @At("HEAD"), method = "teleportTo", cancellable = true)
-    private void sf$redirectTeleport(TeleportTarget teleportTarget, CallbackInfoReturnable<Entity> cir) {
-        if (RoomModule.isVirtual(this.getUuid())) {
+    @Inject(at = @At("HEAD"), method = "teleport", cancellable = true)
+    private void sf$redirectTeleport(TeleportTransition teleportTarget, CallbackInfoReturnable<Entity> cir) {
+        if (RoomModule.isVirtual(this.getUUID())) {
             cir.setReturnValue((Entity) (Object) this);
         }
     }
 
-    @Inject(at = @At("HEAD"), method = "canUsePortals", cancellable = true)
+    @Inject(at = @At("HEAD"), method = "canUsePortal", cancellable = true)
     private void sf$disablePortal(boolean allowVehicles, CallbackInfoReturnable<Boolean> cir) {
         var registry = SFCraft.getInjector().getInstance(RoomRegistry.class);
         var $this = (Entity) (Object) this;
-        if (registry.isRoomWorld($this.getWorld().getRegistryKey())) {
+        if (registry.isRoomWorld($this.level().dimension())) {
             cir.setReturnValue(false);
         }
     }

src/main/java/io/ib67/sfcraft/mixin/common/MobEntityMixin.java

@@ -1,13 +1,13 @@
 package io.ib67.sfcraft.mixin.common;
 
-import net.minecraft.entity.mob.MobEntity;
+import net.minecraft.world.entity.Mob;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Shadow;
 
-@Mixin(MobEntity.class)
+@Mixin(Mob.class)
 public abstract class MobEntityMixin {
     @Shadow
-    public boolean cannotDespawn() {
+    public boolean requiresCustomPersistence() {
         throw new AssertionError();
     }
 }

src/main/java/io/ib67/sfcraft/mixin/common/PlayerEntityMixin.java

@@ -2,19 +2,19 @@ package io.ib67.sfcraft.mixin.common;
 
 import io.ib67.sfcraft.callback.SFCallbacks;
 import io.ib67.sfcraft.mixin.common.bridge.EntityBridge;
-import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.world.entity.player.Player;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Unique;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 
-@Mixin(PlayerEntity.class)
+@Mixin(Player.class)
 public abstract class PlayerEntityMixin {
     @Unique
     private long flyTime;
 
-    @Inject(method = "tickMovement", at = @At("TAIL"))
+    @Inject(method = "aiStep", at = @At("TAIL"))
     public void tickMovement(CallbackInfo ci) {
         var eb = ((EntityBridge) $this());
         if (eb.sfcraft$getFlag(EntityBridge.sfcraft$getFlyingFlagIndex())) {
@@ -28,8 +28,8 @@ public abstract class PlayerEntityMixin {
     }
 
     @Unique
-    public PlayerEntity $this() {
-        return (PlayerEntity) (Object) this;
+    public Player $this() {
+        return (Player) (Object) this;
     }
 
 }

src/main/java/io/ib67/sfcraft/mixin/common/bridge/EntityBridge.java

@@ -1,17 +1,17 @@
 package io.ib67.sfcraft.mixin.common.bridge;
 
-import net.minecraft.entity.Entity;
+import net.minecraft.world.entity.Entity;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.gen.Accessor;
 import org.spongepowered.asm.mixin.gen.Invoker;
 
 @Mixin(Entity.class)
 public interface EntityBridge {
-    @Accessor("GLIDING_FLAG_INDEX")
+    @Accessor("FLAG_FALL_FLYING")
     static int sfcraft$getFlyingFlagIndex() {
         throw new AssertionError();
     }
 
-    @Invoker("getFlag")
+    @Invoker("getSharedFlag")
     boolean sfcraft$getFlag(int index);
 }

src/main/java/io/ib67/sfcraft/mixin/common/bridge/ItemBridge.java

@@ -1,12 +1,12 @@
 package io.ib67.sfcraft.mixin.common.bridge;
 
-import net.minecraft.item.Item;
-import net.minecraft.registry.entry.RegistryEntry;
+import net.minecraft.core.Holder;
+import net.minecraft.world.item.Item;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.gen.Accessor;
 
 @Mixin(Item.class)
 public interface ItemBridge {
     @Accessor
-    void setRegistryEntry(RegistryEntry.Reference<Item> value);
+    void setBuiltInRegistryHolder(Holder.Reference<Item> value);
 }

src/main/java/io/ib67/sfcraft/mixin/common/bridge/ServerChunkManagerBridge.java

@@ -1,12 +1,12 @@
 package io.ib67.sfcraft.mixin.common.bridge;
 
-import net.minecraft.server.world.ChunkLevelManager;
-import net.minecraft.server.world.ServerChunkManager;
+import net.minecraft.server.level.DistanceManager;
+import net.minecraft.server.level.ServerChunkCache;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.gen.Accessor;
 
-@Mixin(ServerChunkManager.class)
+@Mixin(ServerChunkCache.class)
 public interface ServerChunkManagerBridge {
-    @Accessor("levelManager")
-    ChunkLevelManager getLevelManager();
+    @Accessor("distanceManager")
+    DistanceManager getLevelManager();
 }

src/main/java/io/ib67/sfcraft/mixin/common/bridge/ServerPlayerBridge.java

@@ -1,10 +1,10 @@
 package io.ib67.sfcraft.mixin.common.bridge;
 
-import net.minecraft.server.network.ServerPlayerEntity;
+import net.minecraft.server.level.ServerPlayer;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.gen.Accessor;
 
-@Mixin(ServerPlayerEntity.class)
+@Mixin(ServerPlayer.class)
 public interface ServerPlayerBridge {
     @Accessor
     void setLastActionTime(long time);

src/main/java/io/ib67/sfcraft/mixin/common/bridge/ServerWorldBridge.java

@@ -1,12 +1,12 @@
 package io.ib67.sfcraft.mixin.common.bridge;
 
-import net.minecraft.server.world.ServerWorld;
-import net.minecraft.server.world.SleepManager;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.server.players.SleepStatus;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.gen.Accessor;
 
-@Mixin(ServerWorld.class)
+@Mixin(ServerLevel.class)
 public interface ServerWorldBridge {
     @Accessor
-    SleepManager getSleepManager();
+    SleepStatus getDEEPSLATE_BRICKS();
 }

src/main/java/io/ib67/sfcraft/mixin/common/fixes/EndermanEntityMixin.java

@@ -1,17 +1,17 @@
 package io.ib67.sfcraft.mixin.common.fixes;
 
 import io.ib67.sfcraft.mixin.common.MobEntityMixin;
-import net.minecraft.entity.mob.EndermanEntity;
+import net.minecraft.world.entity.monster.EnderMan;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
 
-@Mixin(EndermanEntity.class)
+@Mixin(EnderMan.class)
 public abstract class EndermanEntityMixin extends MobEntityMixin {
-    @Inject(at = @At("HEAD"), method = "cannotDespawn", cancellable = true)
+    @Inject(at = @At("HEAD"), method = "requiresCustomPersistence", cancellable = true)
     private void sf$cannotDespawn(CallbackInfoReturnable<Boolean> cir) {
-        cir.setReturnValue(super.cannotDespawn());
+        cir.setReturnValue(super.requiresCustomPersistence());
     }
 
 }

src/main/java/io/ib67/sfcraft/mixin/common/fixes/LivingEntityMixin.java

@@ -1,7 +1,7 @@
 package io.ib67.sfcraft.mixin.common.fixes;
 
-import net.minecraft.entity.LivingEntity;
-import net.minecraft.entity.passive.BeeEntity;
+import net.minecraft.world.entity.LivingEntity;
+import net.minecraft.world.entity.animal.Bee;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Unique;
 import org.spongepowered.asm.mixin.injection.At;
@@ -10,9 +10,9 @@ import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 
 @Mixin(LivingEntity.class)
 public abstract class LivingEntityMixin {
-    @Inject(method = "tickCramming", at=@At("HEAD"), cancellable = true)
+    @Inject(method = "pushEntities", at=@At("HEAD"), cancellable = true)
     private void sf$disableBeeCramming(CallbackInfo ci) {
-        if($this() instanceof BeeEntity) {
+        if($this() instanceof Bee) {
             ci.cancel();
         }
     }

src/main/java/io/ib67/sfcraft/mixin/common/fixes/ProjectileEntityMixin.java

@@ -1,63 +0,0 @@
-package io.ib67.sfcraft.mixin.common.fixes;
-
-import net.minecraft.entity.Entity;
-import net.minecraft.entity.LazyEntityReference;
-import net.minecraft.entity.player.PlayerEntity;
-import net.minecraft.entity.projectile.ProjectileEntity;
-import net.minecraft.server.world.ServerWorld;
-import org.jetbrains.annotations.Nullable;
-import org.spongepowered.asm.mixin.Mixin;
-import org.spongepowered.asm.mixin.Overwrite;
-import org.spongepowered.asm.mixin.Shadow;
-import org.spongepowered.asm.mixin.Unique;
-import org.spongepowered.asm.mixin.injection.At;
-import org.spongepowered.asm.mixin.injection.Inject;
-import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
-
-import java.util.UUID;
-
-@Mixin(ProjectileEntity.class)
-public class ProjectileEntityMixin {
-    @Shadow
-    @Nullable
-    protected LazyEntityReference<Entity> owner;
-
-    @Unique
-    private boolean isPlayer;
-
-    @Inject(at = @At("HEAD"), method = "setOwner(Lnet/minecraft/entity/Entity;)V")
-    private void setOwner(@Nullable Entity owner, CallbackInfo ci) {
-        isPlayer = owner instanceof PlayerEntity;
-    }
-
-    @Inject(at=@At("HEAD"), method = "setOwner(Lnet/minecraft/entity/LazyEntityReference;)V")
-    private void setOwner(@Nullable LazyEntityReference<Entity> owner, CallbackInfo ci) {
-        isPlayer = LazyEntityReference.resolve(owner, $().getWorld(), Entity.class) instanceof PlayerEntity;
-    }
-
-    /**
-     * @reason Implement the logic correctly.
-     * @author icybear
-     */
-    @Overwrite
-    public @Nullable Entity getOwner() {
-        if (this.owner != null) {
-            var ownerUuid = this.owner.getUuid();
-            var server = $().getWorld().getServer();
-            if (server == null) {
-                return null;
-            }
-            if (isPlayer) {
-                return server.getPlayerManager().getPlayer(ownerUuid);
-            } else {
-                return LazyEntityReference.resolve(this.owner, $().getWorld(), Entity.class);
-            }
-        }
-        return null;
-    }
-
-    @Unique
-    private ProjectileEntity $() {
-        return (ProjectileEntity) (Object) this;
-    }
-}

src/main/java/io/ib67/sfcraft/mixin/server/AbstractFurnaceBlockMixin.java

@@ -1,25 +1,25 @@
 package io.ib67.sfcraft.mixin.server;
 
 import io.ib67.sfcraft.mixin.common.bridge.ServerWorldBridge;
-import net.minecraft.block.AbstractFurnaceBlock;
-import net.minecraft.block.BlockState;
-import net.minecraft.block.BlockWithEntity;
-import net.minecraft.block.entity.AbstractFurnaceBlockEntity;
-import net.minecraft.block.entity.BlockEntity;
-import net.minecraft.block.entity.BlockEntityTicker;
-import net.minecraft.block.entity.BlockEntityType;
-import net.minecraft.server.world.ServerWorld;
-import net.minecraft.util.math.BlockPos;
-import net.minecraft.world.GameRules;
-import net.minecraft.world.World;
+import net.minecraft.core.BlockPos;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.world.level.GameRules;
+import net.minecraft.world.level.Level;
+import net.minecraft.world.level.block.AbstractFurnaceBlock;
+import net.minecraft.world.level.block.BaseEntityBlock;
+import net.minecraft.world.level.block.entity.AbstractFurnaceBlockEntity;
+import net.minecraft.world.level.block.entity.BlockEntity;
+import net.minecraft.world.level.block.entity.BlockEntityTicker;
+import net.minecraft.world.level.block.entity.BlockEntityType;
+import net.minecraft.world.level.block.state.BlockState;
 import org.jetbrains.annotations.Nullable;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Overwrite;
 import org.spongepowered.asm.mixin.Unique;
 
 @Mixin(AbstractFurnaceBlock.class)
-public abstract class AbstractFurnaceBlockMixin extends BlockWithEntity {
-    protected AbstractFurnaceBlockMixin(Settings settings) {
+public abstract class AbstractFurnaceBlockMixin extends BaseEntityBlock {
+    protected AbstractFurnaceBlockMixin(Properties settings) {
         super(settings);
     }
 
@@ -29,20 +29,20 @@ public abstract class AbstractFurnaceBlockMixin extends BlockWithEntity {
      */
     @Nullable
     @Overwrite
-    public static <T extends BlockEntity> BlockEntityTicker<T> validateTicker(
-            World world, BlockEntityType<T> givenType, BlockEntityType<? extends AbstractFurnaceBlockEntity> expectedType
+    public static <T extends BlockEntity> BlockEntityTicker<T> createFurnaceTicker(
+            Level world, BlockEntityType<T> givenType, BlockEntityType<? extends AbstractFurnaceBlockEntity> expectedType
     ) {
-        return world instanceof ServerWorld sw ? BlockWithEntity.validateTicker(givenType, expectedType, AbstractFurnaceBlockMixin::tickMultiple) : null;
+        return world instanceof ServerLevel sw ? BaseEntityBlock.createTickerHelper(givenType, expectedType, AbstractFurnaceBlockMixin::tickMultiple) : null;
     }
 
     @Unique
-    private static <E extends AbstractFurnaceBlockEntity> void tickMultiple(World _world, BlockPos pos, BlockState state, E blockEntity) {
-        var world = (ServerWorld) _world;
-        AbstractFurnaceBlockEntity.tick(world, pos, state, blockEntity);
-        int i = world.getGameRules().getInt(GameRules.PLAYERS_SLEEPING_PERCENTAGE);
-        if (((ServerWorldBridge) world).getSleepManager().canSkipNight(i)) {
-            AbstractFurnaceBlockEntity.tick(world, pos, state, blockEntity); //todo: config support?
-            AbstractFurnaceBlockEntity.tick(world, pos, state, blockEntity);
+    private static <E extends AbstractFurnaceBlockEntity> void tickMultiple(Level _world, BlockPos pos, BlockState state, E blockEntity) {
+        var world = (ServerLevel) _world;
+        AbstractFurnaceBlockEntity.serverTick(world, pos, state, blockEntity);
+        int i = world.getGameRules().getInt(GameRules.RULE_PLAYERS_SLEEPING_PERCENTAGE);
+        if (((ServerWorldBridge) world).getDEEPSLATE_BRICKS().areEnoughSleeping(i)) {
+            AbstractFurnaceBlockEntity.serverTick(world, pos, state, blockEntity); //todo: config support?
+            AbstractFurnaceBlockEntity.serverTick(world, pos, state, blockEntity);
         }
     }
 }

src/main/java/io/ib67/sfcraft/mixin/server/LegacyQueryHandlerMixin.java

@@ -2,8 +2,6 @@ package io.ib67.sfcraft.mixin.server;
 
 import io.ib67.sfcraft.util.Helper;
 import io.netty.channel.ChannelHandlerContext;
-import net.minecraft.network.QueryableServer;
-import net.minecraft.network.handler.LegacyQueryHandler;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Unique;
 import org.spongepowered.asm.mixin.injection.At;
@@ -14,6 +12,8 @@ import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 import java.net.InetSocketAddress;
 import java.net.SocketAddress;
 import java.util.Locale;
+import net.minecraft.server.ServerInfo;
+import net.minecraft.server.network.LegacyQueryHandler;
 
 @Mixin(LegacyQueryHandler.class)
 public class LegacyQueryHandlerMixin {
@@ -25,17 +25,17 @@ public class LegacyQueryHandlerMixin {
         address = ctx.channel().remoteAddress();
     }
 
-    @Redirect(method = "channelRead", at = @At(value = "INVOKE", target = "Lnet/minecraft/network/handler/LegacyQueryHandler;getResponse(Lnet/minecraft/network/QueryableServer;)Ljava/lang/String;"))
-    private String getResponse(QueryableServer server) {
-        var version = server.getVersion();
+    @Redirect(method = "channelRead", at = @At(value = "INVOKE", target = "Lnet/minecraft/server/network/LegacyQueryHandler;createVersion1Response(Lnet/minecraft/server/ServerInfo;)Ljava/lang/String;"))
+    private String getResponse(ServerInfo server) {
+        var version = server.getServerVersion();
         return String.format(
                 Locale.ROOT,
                 "§1\u0000%d\u0000%s\u0000%s\u0000%d\u0000%d",
                 127,
                 version,
-                server.getServerMotd(),
-                server.getCurrentPlayerCount(),
-                server.getMaxPlayerCount()
+                server.getMotd(),
+                server.getPlayerCount(),
+                server.getMaxPlayers()
         );
     }
 }

src/main/java/io/ib67/sfcraft/mixin/server/MinecraftServerMixin.java

@@ -10,7 +10,7 @@ import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
 @Mixin(MinecraftServer.class)
 public abstract class MinecraftServerMixin {
 
-    @ModifyConstant(method = "tickWorlds", constant = @Constant(intValue = 20))
+    @ModifyConstant(method = "tickChildren", constant = @Constant(intValue = 20))
     private int speedUpAtNight(int constant) {
         if (MixinHelper.spedUp) {
             return 2;

src/main/java/io/ib67/sfcraft/mixin/server/ServerHandshakeNetworkHandlerMixin.java

@@ -2,10 +2,10 @@ package io.ib67.sfcraft.mixin.server;
 
 import io.ib67.sfcraft.SFCraft;
 import io.ib67.sfcraft.callback.SFCallbacks;
-import net.minecraft.network.ClientConnection;
+import net.minecraft.network.Connection;
+import net.minecraft.network.protocol.status.ServerStatus;
 import net.minecraft.server.MinecraftServer;
-import net.minecraft.server.ServerMetadata;
-import net.minecraft.server.network.ServerHandshakeNetworkHandler;
+import net.minecraft.server.network.ServerHandshakePacketListenerImpl;
 import org.spongepowered.asm.mixin.Debug;
 import org.spongepowered.asm.mixin.Final;
 import org.spongepowered.asm.mixin.Mixin;
@@ -13,17 +13,17 @@ import org.spongepowered.asm.mixin.Shadow;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Redirect;
 
-@Mixin(ServerHandshakeNetworkHandler.class)
+@Mixin(ServerHandshakePacketListenerImpl.class)
 public abstract class ServerHandshakeNetworkHandlerMixin {
     @Shadow
     @Final
-    private ClientConnection connection;
+    private Connection connection;
 
-    @Redirect(method = "onHandshake", at = @At(value = "INVOKE", target = "Lnet/minecraft/server/MinecraftServer;getServerMetadata()Lnet/minecraft/server/ServerMetadata;"))
-    public ServerMetadata getMetadata(MinecraftServer instance) {
+    @Redirect(method = "handleIntention", at = @At(value = "INVOKE", target = "Lnet/minecraft/server/MinecraftServer;getStatus()Lnet/minecraft/network/protocol/status/ServerStatus;"))
+    public ServerStatus getMetadata(MinecraftServer instance) {
         var result = SFCallbacks.MOTD.invoker().onMotd(instance,connection);
         if(result == null) {
-            return instance.getServerMetadata();
+            return instance.getStatus();
         }else{
             return result;
         }

src/main/java/io/ib67/sfcraft/mixin/server/ServerLoginNetworkHandlerMixin.java

@@ -3,13 +3,12 @@ package io.ib67.sfcraft.mixin.server;
 import io.ib67.sfcraft.callback.SFCallbacks;
 import io.netty.channel.local.LocalChannel;
 import io.netty.channel.local.LocalServerChannel;
-import net.minecraft.network.ClientConnection;
-import net.minecraft.network.packet.c2s.login.LoginHelloC2SPacket;
+import net.minecraft.core.UUIDUtil;
+import net.minecraft.network.Connection;
+import net.minecraft.network.chat.Component;
+import net.minecraft.network.protocol.login.ServerboundHelloPacket;
 import net.minecraft.server.MinecraftServer;
-import net.minecraft.server.network.ServerLoginNetworkHandler;
-import net.minecraft.text.Text;
-import net.minecraft.util.ActionResult;
-import net.minecraft.util.Uuids;
+import net.minecraft.server.network.ServerLoginPacketListenerImpl;
 import org.spongepowered.asm.mixin.Final;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Shadow;
@@ -21,10 +20,10 @@ import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 
 import java.net.InetSocketAddress;
 
-@Mixin(ServerLoginNetworkHandler.class)
+@Mixin(ServerLoginPacketListenerImpl.class)
 public abstract class ServerLoginNetworkHandlerMixin {
     @Shadow
-    public abstract void disconnect(Text reason);
+    public abstract void disconnect(Component reason);
 
     @Shadow
     @Final
@@ -32,23 +31,23 @@ public abstract class ServerLoginNetworkHandlerMixin {
     @Unique
     private String currentPlayer;
 
-    @Inject(method = "onHello", at = @At("HEAD"))
-    public void onHello(LoginHelloC2SPacket packet, CallbackInfo ci) {
+    @Inject(method = "handleHello", at = @At("HEAD"))
+    public void onHello(ServerboundHelloPacket packet, CallbackInfo ci) {
         currentPlayer = packet.name();
     }
 
-    @Redirect(method = "onHello", at = @At(value = "INVOKE", target = "Lnet/minecraft/network/ClientConnection;isLocal()Z"))
-    public boolean isLocal(ClientConnection connection) {
-        if (!(connection.getAddress() instanceof InetSocketAddress)) {
-            return connection.isLocal(); // 碰上真 isLocal 了
+    @Redirect(method = "handleHello", at = @At(value = "INVOKE", target = "Lnet/minecraft/network/Connection;isMemoryConnection()Z"))
+    public boolean isLocal(Connection connection) {
+        if (!(connection.getRemoteAddress() instanceof InetSocketAddress)) {
+            return connection.isMemoryConnection(); // 碰上真 isLocal 了
         }
-        var offlineProfile = Uuids.getOfflinePlayerProfile(currentPlayer);
+        var offlineProfile = UUIDUtil.createOfflineProfile(currentPlayer);
         boolean _r;
-        if (server.getUserCache() != null) {
-            _r = server.getUserCache().getByUuid(offlineProfile.getId()).isPresent();
+        if (server.getProfileCache() != null) {
+            _r = server.getProfileCache().get(offlineProfile.getId()).isPresent();
         }else{
-            var wl = server.getPlayerManager().getWhitelist();
-            _r = wl.isAllowed(offlineProfile);
+            var wl = server.getPlayerList().getWhiteList();
+            _r = wl.isWhiteListed(offlineProfile);
         }
         SFCallbacks.PRE_LOGIN.invoker().onPlayerPreLogin(currentPlayer, connection, this::disconnect, _r);
         return _r;

src/main/java/io/ib67/sfcraft/mixin/server/ServerPlayNetworkHandlerMixin.java

@@ -4,39 +4,39 @@ import io.ib67.sfcraft.SFCraft;
 import io.ib67.sfcraft.callback.SFCallbacks;
 import io.ib67.sfcraft.mixin.common.bridge.ServerPlayerBridge;
 import io.ib67.sfcraft.registry.chat.SimpleMessageDecorator;
-import net.minecraft.network.DisconnectionInfo;
-import net.minecraft.network.message.MessageDecorator;
+import net.minecraft.network.DisconnectionDetails;
+import net.minecraft.network.chat.ChatDecorator;
+import net.minecraft.network.chat.Component;
 import net.minecraft.server.MinecraftServer;
-import net.minecraft.server.network.ServerPlayNetworkHandler;
-import net.minecraft.server.network.ServerPlayerEntity;
-import net.minecraft.text.Text;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.server.network.ServerGamePacketListenerImpl;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Shadow;
 import org.spongepowered.asm.mixin.injection.*;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 
-@Mixin(ServerPlayNetworkHandler.class)
+@Mixin(ServerGamePacketListenerImpl.class)
 public abstract class ServerPlayNetworkHandlerMixin {
     @Shadow
-    public ServerPlayerEntity player;
+    public ServerPlayer player;
 
     /**
      * @author icybear
      * @reason small method, overwrite to reduce overhead
      */
-    @Redirect(method = "method_44900", at = @At(value = "INVOKE", target = "Lnet/minecraft/server/MinecraftServer;getMessageDecorator()Lnet/minecraft/network/message/MessageDecorator;"))
-    public MessageDecorator getMessageDecorator(MinecraftServer instance) {
+    @Redirect(method = "method_44900", at = @At(value = "INVOKE", target = "Lnet/minecraft/server/MinecraftServer;getChatDecorator()Lnet/minecraft/network/chat/ChatDecorator;"))
+    public ChatDecorator getMessageDecorator(MinecraftServer instance) {
         return SFCraft.getInjector().getInstance(SimpleMessageDecorator.class);
     }
 
-    @Redirect(method = "tick", at = @At(value = "INVOKE", target = "Lnet/minecraft/server/network/ServerPlayNetworkHandler;disconnect(Lnet/minecraft/text/Text;)V", ordinal = 2))
-    public void onPlayerIdling(ServerPlayNetworkHandler instance, Text text) {
+    @Redirect(method = "tick", at = @At(value = "INVOKE", target = "Lnet/minecraft/server/network/ServerGamePacketListenerImpl;disconnect(Lnet/minecraft/network/chat/Component;)V", ordinal = 2))
+    public void onPlayerIdling(ServerGamePacketListenerImpl instance, Component text) {
         ((ServerPlayerBridge) instance.player).setLastActionTime(Long.MAX_VALUE);
         SFCallbacks.PLAYER_IDLE.invoker().onSwitchIdle(instance.player, true);
     }
 
-    @Inject(method = "onDisconnected", at = @At("HEAD"))
-    public void onDisconnected(DisconnectionInfo instance, CallbackInfo ci) {
-        player.updateLastActionTime();
+    @Inject(method = "onDisconnect", at = @At("HEAD"))
+    public void onDisconnected(DisconnectionDetails instance, CallbackInfo ci) {
+        player.resetLastActionTime();
     }
 }

src/main/java/io/ib67/sfcraft/mixin/server/ServerPlayerEntityMixin.java

@@ -2,11 +2,11 @@ package io.ib67.sfcraft.mixin.server;
 
 import com.mojang.datafixers.util.Either;
 import io.ib67.sfcraft.callback.SFCallbacks;
-import net.minecraft.entity.damage.DamageSource;
-import net.minecraft.entity.player.PlayerEntity;
-import net.minecraft.server.network.ServerPlayerEntity;
+import net.minecraft.core.BlockPos;
+import net.minecraft.server.level.ServerPlayer;
 import net.minecraft.util.Unit;
-import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.damagesource.DamageSource;
+import net.minecraft.world.entity.player.Player;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Shadow;
 import org.spongepowered.asm.mixin.injection.At;
@@ -14,28 +14,28 @@ import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
 
-@Mixin(ServerPlayerEntity.class)
+@Mixin(ServerPlayer.class)
 public class ServerPlayerEntityMixin {
     @Shadow
     private long lastActionTime;
 
-    @Inject(method = "onDeath", at = @At("TAIL"))
+    @Inject(method = "die", at = @At("TAIL"))
     public void onDeath(DamageSource damageSource, CallbackInfo ci) {
-        SFCallbacks.PLAYER_DEATH.invoker().onPlayerDeath((ServerPlayerEntity) (Object) this, damageSource);
+        SFCallbacks.PLAYER_DEATH.invoker().onPlayerDeath((ServerPlayer) (Object) this, damageSource);
     }
 
-    @Inject(method = "trySleep", at = @At("HEAD"), cancellable = true)
-    public void onSleep(BlockPos pos, CallbackInfoReturnable<Either<PlayerEntity.SleepFailureReason, Unit>> cir) {
-        var result = SFCallbacks.PLAYER_SLEEP.invoker().onPlayerSleep((ServerPlayerEntity) (Object) this, pos);
+    @Inject(method = "startSleepInBed", at = @At("HEAD"), cancellable = true)
+    public void onSleep(BlockPos pos, CallbackInfoReturnable<Either<Player.BedSleepingProblem, Unit>> cir) {
+        var result = SFCallbacks.PLAYER_SLEEP.invoker().onPlayerSleep((ServerPlayer) (Object) this, pos);
         if (result.left().isPresent()) {
             cir.setReturnValue(result);
         }
     }
 
-    @Inject(method = "updateLastActionTime", at = @At("HEAD"))
+    @Inject(method = "resetLastActionTime", at = @At("HEAD"))
     public void leaveAFK(CallbackInfo ci) {
         if (lastActionTime == Long.MAX_VALUE) {
-            SFCallbacks.PLAYER_IDLE.invoker().onSwitchIdle((ServerPlayerEntity) (Object) this, false);
+            SFCallbacks.PLAYER_IDLE.invoker().onSwitchIdle((ServerPlayer) (Object) this, false);
         }
     }
 }

src/main/java/io/ib67/sfcraft/mixin/server/ServerWorldMixin.java

@@ -4,10 +4,8 @@ import io.ib67.sfcraft.SFCraft;
 import io.ib67.sfcraft.mixin.common.bridge.ServerWorldBridge;
 import io.ib67.sfcraft.module.RoomModule;
 import io.ib67.sfcraft.util.MixinHelper;
-import net.minecraft.registry.RegistryKey;
-import net.minecraft.server.world.ServerWorld;
-import net.minecraft.world.GameRules;
-import net.minecraft.world.World;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.world.level.GameRules;
 import org.spongepowered.asm.mixin.Final;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Shadow;
@@ -15,12 +13,12 @@ import org.spongepowered.asm.mixin.Unique;
 import org.spongepowered.asm.mixin.injection.*;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
 
-@Mixin(ServerWorld.class)
+@Mixin(ServerLevel.class)
 public abstract class ServerWorldMixin {
-    @ModifyArg(method = "tickTime", at = @At(value = "INVOKE", target = "Lnet/minecraft/server/world/ServerWorld;setTimeOfDay(J)V"))
+    @ModifyArg(method = "tickTime", at = @At(value = "INVOKE", target = "Lnet/minecraft/server/level/ServerLevel;setDayTime(J)V"))
     public long setTimeOfDay(long timeOfDay) {
-        int i = ((ServerWorld) (Object) this).getGameRules().getInt(GameRules.PLAYERS_SLEEPING_PERCENTAGE);
-        if (((ServerWorldBridge) this).getSleepManager().canSkipNight(i)) {
+        int i = ((ServerLevel) (Object) this).getGameRules().getInt(GameRules.RULE_PLAYERS_SLEEPING_PERCENTAGE);
+        if (((ServerWorldBridge) this).getDEEPSLATE_BRICKS().areEnoughSleeping(i)) {
             MixinHelper.spedUp = true;
             return timeOfDay + 10;
         }

src/main/java/io/ib67/sfcraft/mixin/server/SleepManagerMixin.java

@@ -1,24 +1,24 @@
 package io.ib67.sfcraft.mixin.server;
 
-import net.minecraft.server.network.ServerPlayerEntity;
-import net.minecraft.server.world.SleepManager;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
 
 import java.util.List;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.server.players.SleepStatus;
 
-@Mixin(SleepManager.class)
+@Mixin(SleepStatus.class)
 public abstract class SleepManagerMixin {
-    @Inject(method = "canResetTime", at = @At("HEAD"), cancellable = true)
-    public void canResetTime(int percentage, List<ServerPlayerEntity> players, CallbackInfoReturnable<Boolean> cir) {
+    @Inject(method = "areEnoughDeepSleeping", at = @At("HEAD"), cancellable = true)
+    public void canResetTime(int percentage, List<ServerPlayer> players, CallbackInfoReturnable<Boolean> cir) {
         if (players.isEmpty()) {
             cir.setReturnValue(false);
             return;
         }
-        var world = players.getFirst().getWorld();
-        if (world.getTimeOfDay() % 24000 >= 12544) {
+        var world = players.getFirst().level();
+        if (world.getDayTime() % 24000 >= 12544) {
             if(!world.isRaining()){
                 cir.setReturnValue(false);
             }

src/main/java/io/ib67/sfcraft/mixin/server/subserver/PlayerListS2CPacket$EntryMixin.java

@@ -3,16 +3,16 @@ package io.ib67.sfcraft.mixin.server.subserver;
 import com.mojang.authlib.GameProfile;
 import io.ib67.sfcraft.SFCraft;
 import io.ib67.sfcraft.module.RoomModule;
-import net.minecraft.network.packet.s2c.play.PlayerListS2CPacket;
-import net.minecraft.server.network.ServerPlayerEntity;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Unique;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Redirect;
 
 import java.util.UUID;
+import net.minecraft.network.protocol.game.ClientboundPlayerInfoUpdatePacket;
+import net.minecraft.server.level.ServerPlayer;
 
-@Mixin(PlayerListS2CPacket.Entry.class)
+@Mixin(ClientboundPlayerInfoUpdatePacket.Entry.class)
 public class PlayerListS2CPacket$EntryMixin {
     @Unique
     private static final byte[] lock = new byte[0];
@@ -31,11 +31,11 @@ public class PlayerListS2CPacket$EntryMixin {
         return module;
     }
 
-    @Redirect(method = "<init>(Lnet/minecraft/server/network/ServerPlayerEntity;)V", at = @At(value = "INVOKE", target = "Lnet/minecraft/server/network/ServerPlayerEntity;getGameProfile()Lcom/mojang/authlib/GameProfile;"))
-    private static GameProfile sf$redirectGameProfileForRoom(ServerPlayerEntity instance) {
-        if (!RoomModule.isVirtual(instance.getUuid())) {
+    @Redirect(method = "<init>(Lnet/minecraft/server/level/ServerPlayer;)V", at = @At(value = "INVOKE", target = "Lnet/minecraft/server/level/ServerPlayer;getGameProfile()Lcom/mojang/authlib/GameProfile;"))
+    private static GameProfile sf$redirectGameProfileForRoom(ServerPlayer instance) {
+        if (!RoomModule.isVirtual(instance.getUUID())) {
             return instance.getGameProfile();
         }
-        return getModule().devirtualize(instance.getUuid());
+        return getModule().devirtualize(instance.getUUID());
     }
 }

src/main/java/io/ib67/sfcraft/mixin/server/subserver/PlayerManagerMixin.java

@@ -5,13 +5,6 @@ import io.ib67.sfcraft.SFCraft;
 import io.ib67.sfcraft.mixin.common.bridge.ServerChunkManagerBridge;
 import io.ib67.sfcraft.module.RoomModule;
 import io.ib67.sfcraft.registry.RoomRegistry;
-import net.minecraft.entity.Entity;
-import net.minecraft.network.ClientConnection;
-import net.minecraft.server.PlayerManager;
-import net.minecraft.server.network.ConnectedClientData;
-import net.minecraft.server.network.ServerPlayerEntity;
-import net.minecraft.text.Text;
-import net.minecraft.util.math.GlobalPos;
 import org.slf4j.Logger;
 import org.spongepowered.asm.mixin.Final;
 import org.spongepowered.asm.mixin.Mixin;
@@ -24,56 +17,63 @@ import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
 
 import java.net.SocketAddress;
 import java.util.Set;
+import net.minecraft.core.GlobalPos;
+import net.minecraft.network.Connection;
+import net.minecraft.network.chat.Component;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.server.network.CommonListenerCookie;
+import net.minecraft.server.players.PlayerList;
+import net.minecraft.world.entity.Entity;
 
-@Mixin(PlayerManager.class)
+@Mixin(PlayerList.class)
 
 public abstract class PlayerManagerMixin {
     @Shadow
     @Final
     private static Logger LOGGER;
 
-    @Inject(method = "onPlayerConnect", at = @At("TAIL"))
-    public void sf$updateSession(ClientConnection connection, ServerPlayerEntity player, ConnectedClientData clientData, CallbackInfo ci) {
+    @Inject(method = "placeNewPlayer", at = @At("TAIL"))
+    public void sf$updateSession(Connection connection, ServerPlayer player, CommonListenerCookie clientData, CallbackInfo ci) {
         var registry = SFCraft.getInjector().getInstance(RoomRegistry.class);
-        var room = registry.getRoomBy(player.getUuid());
+        var room = registry.getRoomBy(player.getUUID());
         if (room != null) {
             var spawn = room.getSpawnPosition();
-            if(player.getWorld().getRegistryKey() != spawn.dimension()){
+            if(player.level().dimension() != spawn.dimension()){
                 teleportToRoom(player, spawn);
             }
 
-            LOGGER.info("Room player joined as " + player.getName().getLiteralString() + "/" + player.getUuid());
+            LOGGER.info("Room player joined as " + player.getName().tryCollapseToString() + "/" + player.getUUID());
             room.onPlayerJoin(player);
         }
     }
 
-    @Inject(method = "respawnPlayer", at = @At("TAIL"))
-    public void sf$updateSession(ServerPlayerEntity player, boolean alive, Entity.RemovalReason removalReason, CallbackInfoReturnable<ServerPlayerEntity> cir) {
+    @Inject(method = "respawn", at = @At("TAIL"))
+    public void sf$updateSession(ServerPlayer player, boolean alive, Entity.RemovalReason removalReason, CallbackInfoReturnable<ServerPlayer> cir) {
         var registry = SFCraft.getInjector().getInstance(RoomRegistry.class);
-        var room = registry.getRoomBy(player.getUuid());
+        var room = registry.getRoomBy(player.getUUID());
         if (!alive && room != null) {
             var spawn = room.getSpawnPosition();
             teleportToRoom(cir.getReturnValue(), spawn);
         }
     }
 
-    @Inject(method = "checkCanJoin", cancellable = true, at = @At("HEAD"))
-    private void sf$bypassJoinLimit(SocketAddress address, GameProfile profile, CallbackInfoReturnable<Text> cir) {
+    @Inject(method = "canPlayerLogin", cancellable = true, at = @At("HEAD"))
+    private void sf$bypassJoinLimit(SocketAddress address, GameProfile profile, CallbackInfoReturnable<Component> cir) {
         if (RoomModule.isVirtual(profile.getId())) cir.setReturnValue(null);
     }
 
     @Unique
-    private void teleportToRoom(ServerPlayerEntity player, GlobalPos spawn) {
-        var world = player.getServer().getWorld(spawn.dimension());
+    private void teleportToRoom(ServerPlayer player, GlobalPos spawn) {
+        var world = player.getServer().getLevel(spawn.dimension());
         var pos = spawn.pos();
-        ((ServerChunkManagerBridge)world.getChunkManager()).getLevelManager().handleChunkEnter(player.getWatchedSection(), player);
-        player.teleport(world, pos.getX(), pos.getY(), pos.getZ(), Set.of(), 0, 0, true);
+        ((ServerChunkManagerBridge)world.getChunkSource()).getLevelManager().addPlayer(player.getLastSectionPos(), player);
+        player.teleportTo(world, pos.getX(), pos.getY(), pos.getZ(), Set.of(), 0, 0, true);
     }
 
     @Inject(method = "remove", at = @At("HEAD"))
-    public void sf$removePlayers(ServerPlayerEntity instance, CallbackInfo ci) {
+    public void sf$removePlayers(ServerPlayer instance, CallbackInfo ci) {
         var registry = SFCraft.getInjector().getInstance(RoomRegistry.class);
-        var room = registry.getRoomBy(instance.getUuid());
+        var room = registry.getRoomBy(instance.getUUID());
         if (room != null) {
             room.onPlayerQuit(instance);
         }

src/main/java/io/ib67/sfcraft/mixin/server/subserver/PlayerSaveHandlerMixin.java

@@ -3,10 +3,6 @@ package io.ib67.sfcraft.mixin.server.subserver;
 import com.mojang.datafixers.DataFixer;
 import io.ib67.sfcraft.module.RoomModule;
 import io.ib67.sfcraft.util.Helper;
-import net.minecraft.entity.player.PlayerEntity;
-import net.minecraft.util.WorldSavePath;
-import net.minecraft.world.PlayerSaveHandler;
-import net.minecraft.world.level.storage.LevelStorage;
 import org.spongepowered.asm.mixin.Final;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Shadow;
@@ -17,36 +13,40 @@ import org.spongepowered.asm.mixin.injection.Redirect;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 
 import java.io.File;
+import net.minecraft.world.entity.player.Player;
+import net.minecraft.world.level.storage.LevelResource;
+import net.minecraft.world.level.storage.LevelStorageSource;
+import net.minecraft.world.level.storage.PlayerDataStorage;
 
-@Mixin(PlayerSaveHandler.class)
+@Mixin(PlayerDataStorage.class)
 public class PlayerSaveHandlerMixin {
     @Shadow
     @Final
-    private File playerDataDir;
+    private File playerDir;
     @Unique
     private File virtualPlayerFolder;
 
     @Inject(at = @At("TAIL"), method = "<init>")
-    private void sf$createVirtualPlayerDataFolder(LevelStorage.Session session, DataFixer dataFixer, CallbackInfo ci) {
-        this.virtualPlayerFolder = session.getDirectory(WorldSavePath.PLAYERDATA).resolve("in_rooms").toFile();
+    private void sf$createVirtualPlayerDataFolder(LevelStorageSource.LevelStorageAccess session, DataFixer dataFixer, CallbackInfo ci) {
+        this.virtualPlayerFolder = session.getLevelPath(LevelResource.PLAYER_DATA_DIR).resolve("in_rooms").toFile();
         this.virtualPlayerFolder.mkdirs();
     }
 
-    @Redirect(at = @At(value = "FIELD", target = "Lnet/minecraft/world/PlayerSaveHandler;playerDataDir:Ljava/io/File;"), method = "savePlayerData")
-    private File sf$getPlayerDataFolder(PlayerSaveHandler instance, PlayerEntity entity) {
-        if (RoomModule.isVirtual(entity.getUuid())) {
+    @Redirect(at = @At(value = "FIELD", target = "Lnet/minecraft/world/level/storage/PlayerDataStorage;playerDir:Ljava/io/File;"), method = "save")
+    private File sf$getPlayerDataFolder(PlayerDataStorage instance, Player entity) {
+        if (RoomModule.isVirtual(entity.getUUID())) {
             return virtualPlayerFolder;
         } else {
-            return this.playerDataDir;
+            return this.playerDir;
         }
     }
 
-    @Redirect(at = @At(value = "FIELD", target = "Lnet/minecraft/world/PlayerSaveHandler;playerDataDir:Ljava/io/File;"), method = "loadPlayerData(Lnet/minecraft/entity/player/PlayerEntity;Ljava/lang/String;)Ljava/util/Optional;")
-    private File sf$saveGetPlayerFolder(PlayerSaveHandler instance, PlayerEntity player) {
-        if (RoomModule.isVirtual(player.getUuid())) {
+    @Redirect(at = @At(value = "FIELD", target = "Lnet/minecraft/world/level/storage/PlayerDataStorage;playerDir:Ljava/io/File;"), method = "load(Lnet/minecraft/world/entity/player/Player;Ljava/lang/String;)Ljava/util/Optional;")
+    private File sf$saveGetPlayerFolder(PlayerDataStorage instance, Player player) {
+        if (RoomModule.isVirtual(player.getUUID())) {
             return virtualPlayerFolder;
         } else {
-            return this.playerDataDir;
+            return this.playerDir;
         }
     }
 }

src/main/java/io/ib67/sfcraft/mixin/server/subserver/ServerLoginNetworkHandlerMixin.java

@@ -8,12 +8,6 @@ import io.ib67.sfcraft.registry.RoomRegistry;
 import io.ib67.sfcraft.room.CookieState;
 import io.ib67.sfcraft.room.RequestedRoom;
 import io.netty.buffer.Unpooled;
-import net.minecraft.network.ClientConnection;
-import net.minecraft.network.packet.c2s.common.CookieResponseC2SPacket;
-import net.minecraft.network.packet.s2c.common.CookieRequestS2CPacket;
-import net.minecraft.server.PlayerManager;
-import net.minecraft.server.network.ServerLoginNetworkHandler;
-import net.minecraft.text.Text;
 import org.jetbrains.annotations.Nullable;
 import org.slf4j.Logger;
 import org.spongepowered.asm.mixin.Final;
@@ -26,26 +20,32 @@ import org.spongepowered.asm.mixin.injection.Redirect;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 
 import java.net.SocketAddress;
+import net.minecraft.network.Connection;
+import net.minecraft.network.chat.Component;
+import net.minecraft.network.protocol.cookie.ClientboundCookieRequestPacket;
+import net.minecraft.network.protocol.cookie.ServerboundCookieResponsePacket;
+import net.minecraft.server.network.ServerLoginPacketListenerImpl;
+import net.minecraft.server.players.PlayerList;
 
 import static io.ib67.sfcraft.room.CookieState.*;
 import static io.ib67.sfcraft.room.RoomTeleporter.ROOM_COOKIE;
 
-@Mixin(ServerLoginNetworkHandler.class)
+@Mixin(ServerLoginPacketListenerImpl.class)
 public abstract class ServerLoginNetworkHandlerMixin {
     @Shadow
-    abstract void startVerify(GameProfile profile);
+    abstract void startClientVerification(GameProfile profile);
 
     @Shadow
-    private @Nullable GameProfile profile;
+    private @Nullable GameProfile authenticatedProfile;
     @Shadow
     @Final
     private boolean transferred;
     @Shadow
     @Final
-    private ClientConnection connection;
+    private Connection connection;
 
     @Shadow
-    public abstract void disconnect(Text reason);
+    public abstract void disconnect(Component reason);
 
     @Shadow
     @Final
@@ -61,12 +61,12 @@ public abstract class ServerLoginNetworkHandlerMixin {
     void restoreVerify(CallbackInfo ci) {
         if ((sf$cookieState == SENT && sf$room != null) || (clean && sf$cookieState != DONE)) {
             sf$cookieState = CookieState.RECV;
-            startVerify(this.profile);
+            startClientVerification(this.authenticatedProfile);
         }
     }
 
-    @Inject(method = "onCookieResponse", at = @At("HEAD"), cancellable = true)
-    private void sf$onRoomId(CookieResponseC2SPacket packet, CallbackInfo ci) {
+    @Inject(method = "handleCookieResponse", at = @At("HEAD"), cancellable = true)
+    private void sf$onRoomId(ServerboundCookieResponsePacket packet, CallbackInfo ci) {
         if (packet.key().equals(ROOM_COOKIE)) {
             if (sf$cookieState != SENT) throw new IllegalStateException("Protocol error");
             var roomSvc = SFCraft.getInjector().getInstance(RoomModule.class);
@@ -74,7 +74,7 @@ public abstract class ServerLoginNetworkHandlerMixin {
             try {
                 if (packet.payload().length == 0) {
                     // clean reconnect.
-                    LOGGER.info("Player " + profile.getName() + " requested a clean reconnection");
+                    LOGGER.info("Player " + authenticatedProfile.getName() + " requested a clean reconnection");
                     clean = true;
                     ci.cancel();
                     return;
@@ -83,7 +83,7 @@ public abstract class ServerLoginNetworkHandlerMixin {
                 this.sf$room = RequestedRoom.PACKET_CODEC.decode(Unpooled.wrappedBuffer(sign.data()));
             } catch (Exception t) {
                 LOGGER.error("Failed to read cookie: {0}", t);
-                this.disconnect(Text.of("Protocol error."));
+                this.disconnect(Component.nullToEmpty("Protocol error."));
                 ci.cancel();
                 return;
             }
@@ -91,29 +91,29 @@ public abstract class ServerLoginNetworkHandlerMixin {
         ci.cancel();
     }
 
-    @Inject(method = "startVerify", at = @At("HEAD"), cancellable = true)
+    @Inject(method = "startClientVerification", at = @At("HEAD"), cancellable = true)
     void sf$makeTransferPlayerProfile(GameProfile profile, CallbackInfo ci) {
         if (transferred && !clean) {
             switch (this.sf$cookieState) {
                 case NOT_SENT -> {
-                    this.profile = profile;
-                    this.connection.send(new CookieRequestS2CPacket(ROOM_COOKIE));
+                    this.authenticatedProfile = profile;
+                    this.connection.send(new ClientboundCookieRequestPacket(ROOM_COOKIE));
                     this.sf$cookieState = SENT;
                 }
                 case RECV -> {
                     var ssr = SFCraft.getInjector().getInstance(RoomRegistry.class);
                     var room = ssr.getRoomBy(sf$room.identifier());
                     if (room != null) {
-                        this.profile = new GameProfile(sf$room.profileUuid(), sf$room.profileName());
+                        this.authenticatedProfile = new GameProfile(sf$room.profileUuid(), sf$room.profileName());
                         var session = room.getPlayerManager().getSessionBy(sf$room.profileUuid());
                         if (session == null) {
-                            disconnect(Text.of("Session isn't exists."));
+                            disconnect(Component.nullToEmpty("Session isn't exists."));
                             ci.cancel();
                             return;
                         }
                         session.onPlayerLogin(sf$room.profileUuid());
                         this.sf$cookieState = DONE;
-                        this.startVerify(this.profile);
+                        this.startClientVerification(this.authenticatedProfile);
                         ci.cancel();
                         return;
                     }
@@ -128,9 +128,9 @@ public abstract class ServerLoginNetworkHandlerMixin {
         }
     }
 
-    @Redirect(method = "tickVerify", at = @At(value = "INVOKE", target = "Lnet/minecraft/server/PlayerManager;checkCanJoin(Ljava/net/SocketAddress;Lcom/mojang/authlib/GameProfile;)Lnet/minecraft/text/Text;"))
-    private Text sf$bypassRoomPlayer(PlayerManager instance, SocketAddress address, GameProfile profile) {
+    @Redirect(method = "verifyLoginAndFinishConnectionSetup", at = @At(value = "INVOKE", target = "Lnet/minecraft/server/players/PlayerList;canPlayerLogin(Ljava/net/SocketAddress;Lcom/mojang/authlib/GameProfile;)Lnet/minecraft/network/chat/Component;"))
+    private Component sf$bypassRoomPlayer(PlayerList instance, SocketAddress address, GameProfile profile) {
         if (sf$cookieState == DONE) return null;
-        return instance.checkCanJoin(address, profile);
+        return instance.canPlayerLogin(address, profile);
     }
 }

src/main/java/io/ib67/sfcraft/mixin/server/subserver/ServerPlayerEntityMixin.java

@@ -2,9 +2,6 @@ package io.ib67.sfcraft.mixin.server.subserver;
 
 import io.ib67.sfcraft.SFCraft;
 import io.ib67.sfcraft.registry.RoomRegistry;
-import net.minecraft.network.packet.s2c.play.PositionFlag;
-import net.minecraft.server.network.ServerPlayerEntity;
-import net.minecraft.server.world.ServerWorld;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
@@ -12,16 +9,19 @@ import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
 
 import java.util.Set;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.world.entity.Relative;
 
-@Mixin(ServerPlayerEntity.class)
+@Mixin(ServerPlayer.class)
 public abstract class ServerPlayerEntityMixin {
     //todo test this
     //todo fix playground operate players in main world
-    @Inject(at=@At("HEAD"), method = "teleport(Lnet/minecraft/server/world/ServerWorld;DDDLjava/util/Set;FFZ)Z")
-    public void sf$interceptTeleport(ServerWorld world, double destX, double destY, double destZ, Set<PositionFlag> flags, float yaw, float pitch, boolean resetCamera, CallbackInfoReturnable<Boolean> cir) {
-        var room = roomRegistry().getRoomBy($this().getUuid());
+    @Inject(at=@At("HEAD"), method = "teleportTo(Lnet/minecraft/server/level/ServerLevel;DDDLjava/util/Set;FFZ)Z")
+    public void sf$interceptTeleport(ServerLevel world, double destX, double destY, double destZ, Set<Relative> flags, float yaw, float pitch, boolean resetCamera, CallbackInfoReturnable<Boolean> cir) {
+        var room = roomRegistry().getRoomBy($this().getUUID());
         if (room != null) {
-            if (world.getRegistryKey() != room.getSpawnPosition().dimension()) {
+            if (world.dimension() != room.getSpawnPosition().dimension()) {
                 cir.setReturnValue(false);
             }
         }
@@ -31,7 +31,7 @@ public abstract class ServerPlayerEntityMixin {
         return SFCraft.getInjector().getInstance(RoomRegistry.class);
     }
 
-    private ServerPlayerEntity $this() {
-        return (ServerPlayerEntity) (Object) this;
+    private ServerPlayer $this() {
+        return (ServerPlayer) (Object) this;
     }
 }

src/main/java/io/ib67/sfcraft/module/AFKModule.java

@@ -6,9 +6,9 @@ import io.ib67.sfcraft.callback.SFCallbacks;
 import io.ib67.sfcraft.inject.MinecraftServerSupplier;
 import io.ib67.sfcraft.module.chat.ChatPrefix;
 import io.ib67.sfcraft.module.chat.ChatPrefixModule;
-import net.minecraft.server.network.ServerPlayerEntity;
-import net.minecraft.text.Text;
-import net.minecraft.util.Colors;
+import net.minecraft.network.chat.Component;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.util.CommonColors;
 
 public class AFKModule extends ServerModule {
     @Inject
@@ -21,7 +21,7 @@ public class AFKModule extends ServerModule {
     public void onInitialize() {
         SFCallbacks.PLAYER_IDLE.register(this::onAFK);
         prefix = new ChatPrefix(
-                Text.literal("[挂机] ").withColor(Colors.LIGHT_GRAY),
+                Component.literal("[挂机] ").withColor(CommonColors.LIGHT_GRAY),
                 "afk",
                 true,
                 10
@@ -29,7 +29,7 @@ public class AFKModule extends ServerModule {
     }
 
 
-    private void onAFK(ServerPlayerEntity player, boolean afk) {
+    private void onAFK(ServerPlayer player, boolean afk) {
         if (afk) {
             enAFK(player);
         } else {
@@ -37,20 +37,20 @@ public class AFKModule extends ServerModule {
         }
     }
 
-    private void enAFK(ServerPlayerEntity player) {
+    private void enAFK(ServerPlayer player) {
         chatPrefixModule.applyPrefix(player, prefix);
-        player.getServer().getPlayerManager().broadcast(
-                Text.literal(" * " + player.getName().getLiteralString() + " 正在挂机.").withColor(Colors.LIGHT_GRAY),
+        player.getServer().getPlayerList().broadcastSystemMessage(
+                Component.literal(" * " + player.getName().tryCollapseToString() + " 正在挂机.").withColor(CommonColors.LIGHT_GRAY),
                 false
         );
         SFCallbacks.PLAYER_AFK.invoker().onAFKStatus(player, true);
     }
 
-    public void deAFK(ServerPlayerEntity player) {
-        String playerName = player.getName().getLiteralString();
+    public void deAFK(ServerPlayer player) {
+        String playerName = player.getName().tryCollapseToString();
         chatPrefixModule.removePrefix(player, prefix);
-        player.getServer().getPlayerManager().broadcast(
-                Text.literal(" * " + playerName + " 回来了.").withColor(Colors.LIGHT_GRAY),
+        player.getServer().getPlayerList().broadcastSystemMessage(
+                Component.literal(" * " + playerName + " 回来了.").withColor(CommonColors.LIGHT_GRAY),
                 false
         );
         SFCallbacks.PLAYER_AFK.invoker().onAFKStatus(player, false);

src/main/java/io/ib67/sfcraft/module/ElytraSpeedMeterModule.java

@@ -4,27 +4,27 @@ import io.ib67.sfcraft.ServerModule;
 import io.ib67.sfcraft.callback.SFCallbacks;
 import it.unimi.dsi.fastutil.objects.*;
 import net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents;
-import net.minecraft.entity.EquipmentSlot;
-import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.core.BlockPos;
+import net.minecraft.network.chat.Component;
+import net.minecraft.network.chat.MutableComponent;
 import net.minecraft.server.MinecraftServer;
-import net.minecraft.server.network.ServerPlayNetworkHandler;
-import net.minecraft.server.network.ServerPlayerEntity;
-import net.minecraft.text.MutableText;
-import net.minecraft.text.Text;
-import net.minecraft.util.Colors;
-import net.minecraft.util.math.BlockPos;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.server.network.ServerGamePacketListenerImpl;
+import net.minecraft.util.CommonColors;
+import net.minecraft.world.entity.EquipmentSlot;
+import net.minecraft.world.entity.player.Player;
 
 public class ElytraSpeedMeterModule extends ServerModule {
     private static final int BAR_LEN = 20;
     private static final int MAX_NORMAL_SPEED = 6;
     private static final int THRESHLD_OF_ELYTRA_FLY = 8;
-    private static final Text[] ELYTRA_DURABILITY = new Text[100];
-    private final Object2ObjectMap<PlayerEntity, BlockPos> playerFlyMap = new Object2ObjectOpenHashMap<>();
-    private final Object2FloatMap<PlayerEntity> lastMeasuredSpeed = new Object2FloatOpenHashMap<>();
+    private static final Component[] ELYTRA_DURABILITY = new Component[100];
+    private final Object2ObjectMap<Player, BlockPos> playerFlyMap = new Object2ObjectOpenHashMap<>();
+    private final Object2FloatMap<Player> lastMeasuredSpeed = new Object2FloatOpenHashMap<>();
 
     static {
         for (int i = 1; i <= 100; i++) {
-            ELYTRA_DURABILITY[i - 1] = Text.literal("ELYTRA: " + i + "%").withColor(getDamageColor(i));
+            ELYTRA_DURABILITY[i - 1] = Component.literal("ELYTRA: " + i + "%").withColor(getDamageColor(i));
         }
     }
 
@@ -34,68 +34,68 @@ public class ElytraSpeedMeterModule extends ServerModule {
         ServerPlayConnectionEvents.DISCONNECT.register(this::onDisconnect);
     }
 
-    private void onDisconnect(ServerPlayNetworkHandler serverPlayNetworkHandler, MinecraftServer minecraftServer) {
+    private void onDisconnect(ServerGamePacketListenerImpl serverPlayNetworkHandler, MinecraftServer minecraftServer) {
         clean(serverPlayNetworkHandler.getPlayer());
     }
 
-    private void clean(ServerPlayerEntity player) {
+    private void clean(ServerPlayer player) {
         playerFlyMap.remove(player);
         lastMeasuredSpeed.removeFloat(player);
     }
 
-    private void onFlying(PlayerEntity player, long f, boolean b) {
+    private void onFlying(Player player, long f, boolean b) {
         if (f < THRESHLD_OF_ELYTRA_FLY * 20) {
             return;
         }
         if (b) {
-            var text = Text.literal("");
-            text.append(genPitchMeter(player.getPitch()));
+            var text = Component.literal("");
+            text.append(genPitchMeter(player.getXRot()));
             text.append(" ");
             text.append(generateDurabilityMeter(f, player));
-            player.sendMessage(text, true);
+            player.displayClientMessage(text, true);
         } else {
-            clean((ServerPlayerEntity) player);
+            clean((ServerPlayer) player);
             if (f > THRESHLD_OF_ELYTRA_FLY * 20) {
-                player.sendMessage(Text.literal("!! LANDED !!").withColor(Colors.GREEN), true);
+                player.displayClientMessage(Component.literal("!! LANDED !!").withColor(CommonColors.GREEN), true);
             } else {
-                player.sendMessage(Text.empty(), true);
+                player.displayClientMessage(Component.empty(), true);
 
             }
         }
     }
 
-    private Text genPitchMeter(float pitch) {
-        MutableText text;
+    private Component genPitchMeter(float pitch) {
+        MutableComponent text;
         var display = (Math.ceil(Math.abs(pitch) * 100) / 100);
         if (pitch < 0) { // 朝上
-            text = Text.literal(" 🡹 " + display + "°");
+            text = Component.literal(" 🡹 " + display + "°");
         } else {
-            text = Text.literal(" 🡻 " + display + "°");
+            text = Component.literal(" 🡻 " + display + "°");
         }
         if (pitch > 75) {
-            text.withColor(Colors.LIGHT_RED);
+            text.withColor(CommonColors.SOFT_RED);
         }
         return text;
     }
 
-    private Text generateDurabilityMeter(long f, PlayerEntity player) {
-        var stack = player.getEquippedStack(EquipmentSlot.CHEST);
-        if (stack.isDamageable() && stack.isDamaged()) {
-            var remaining = stack.getMaxDamage() - stack.getDamage();
+    private Component generateDurabilityMeter(long f, Player player) {
+        var stack = player.getItemBySlot(EquipmentSlot.CHEST);
+        if (stack.isDamageableItem() && stack.isDamaged()) {
+            var remaining = stack.getMaxDamage() - stack.getDamageValue();
             var percent = (int) Math.ceil(((double) remaining / stack.getMaxDamage()) * 100);
             return ELYTRA_DURABILITY[Math.max(percent - 1, 0)];
         }
-        return Text.literal("ELYTRA: INFINITY").withColor(Colors.BLUE);
+        return Component.literal("ELYTRA: INFINITY").withColor(CommonColors.BLUE);
     }
 
     private static int getDamageColor(int percent) {
         if (percent > 70) {
-            return Colors.GREEN;
+            return CommonColors.GREEN;
         } else if (percent > 50) {
-            return Colors.LIGHT_YELLOW;
+            return CommonColors.SOFT_YELLOW;
         } else if (percent > 30) {
-            return Colors.LIGHT_RED;
+            return CommonColors.SOFT_RED;
         }
-        return Colors.RED;
+        return CommonColors.RED;
     }
 }

src/main/java/io/ib67/sfcraft/module/FartFertilizerModule.java

@@ -6,54 +6,54 @@ import io.ib67.sfcraft.util.Helper;
 import it.unimi.dsi.fastutil.objects.Object2LongMap;
 import it.unimi.dsi.fastutil.objects.Object2LongOpenHashMap;
 import net.fabricmc.fabric.api.networking.v1.PlayerLookup;
-import net.minecraft.block.Fertilizable;
-import net.minecraft.entity.player.PlayerEntity;
-import net.minecraft.particle.ParticleTypes;
-import net.minecraft.server.network.ServerPlayerEntity;
-import net.minecraft.server.world.ServerWorld;
-import net.minecraft.sound.SoundCategory;
-import net.minecraft.sound.SoundEvents;
+import net.minecraft.core.particles.ParticleTypes;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.sounds.SoundEvents;
+import net.minecraft.sounds.SoundSource;
+import net.minecraft.world.entity.player.Player;
+import net.minecraft.world.level.block.BonemealableBlock;
 
 public class FartFertilizerModule extends ServerModule {
-    private final Object2LongMap<PlayerEntity> lastSneaked = new Object2LongOpenHashMap<>();
+    private final Object2LongMap<Player> lastSneaked = new Object2LongOpenHashMap<>();
 
     @Override
     public void onInitialize() {
         SFCallbacks.PLAYER_SNEAKING.register(this::onSneaking);
     }
 
-    private void onSneaking(PlayerEntity player, boolean sneak) {
+    private void onSneaking(Player player, boolean sneak) {
         if (sneak) {
             var lastSneak = lastSneaked.getOrDefault(player, 0);
             var dlta = Math.min(System.currentTimeMillis() - lastSneak, 100);
-            if (player.getRandom().nextBetween(50, 150) > dlta) {
-                var playerPos = player.getBlockPos();
-                var start = playerPos.add(-2, 0, -2);
-                var end = playerPos.add(2, 1, 2);
+            if (player.getRandom().nextIntBetweenInclusive(50, 150) > dlta) {
+                var playerPos = player.blockPosition();
+                var start = playerPos.offset(-2, 0, -2);
+                var end = playerPos.offset(2, 1, 2);
                 for (int dX = 0; dX < end.getX() - start.getX(); dX++) {
                     for (int dZ = 0; dZ < end.getZ() - start.getZ(); dZ++) {
                         for (int dY = 0; dY < end.getY() - start.getY(); dY++) {
-                            var blockPos = start.add(dX, dY, dZ);
-                            var state = player.getWorld().getBlockState(blockPos);
+                            var blockPos = start.offset(dX, dY, dZ);
+                            var state = player.level().getBlockState(blockPos);
                             var block = state.getBlock();
                             if (Helper.canFertilize(block)) {
-                                var wld = (ServerWorld) player.getWorld();
-                                wld.spawnParticles(
+                                var wld = (ServerLevel) player.level();
+                                wld.sendParticles(
                                         ParticleTypes.COMPOSTER,
                                         blockPos.getX(), blockPos.getY(), blockPos.getZ(), 5,
                                         Math.max(0.5, Math.random()), Math.max(0.5, Math.random()), Math.max(0.5, Math.random()),
                                         0.4
                                 );
-                                for (ServerPlayerEntity serverPlayerEntity : PlayerLookup.around(wld, blockPos, 6f)) {
-                                    serverPlayerEntity.playSoundToPlayer(
-                                            SoundEvents.BLOCK_COMPOSTER_FILL,
-                                            SoundCategory.BLOCKS,
+                                for (ServerPlayer serverPlayerEntity : PlayerLookup.around(wld, blockPos, 6f)) {
+                                    serverPlayerEntity.playNotifySound(
+                                            SoundEvents.COMPOSTER_FILL,
+                                            SoundSource.BLOCKS,
                                             ((6 - serverPlayerEntity.distanceTo(player) + 1) / 6) * 50,
                                             3f
                                     );
                                 }
                                 if (player.getRandom().nextInt(10) < 3) {
-                                    ((Fertilizable) block).grow(wld,
+                                    ((BonemealableBlock) block).performBonemeal(wld,
                                             wld.getRandom(), blockPos, state);
                                 }
                             }

src/main/java/io/ib67/sfcraft/module/MotdModule.java

@@ -28,7 +28,7 @@ public class MotdModule extends ServerModule {
 
     @Override
     public void onEnable() {
-        originalMotd = minecraftServer.get().getServerMotd();
+        originalMotd = minecraftServer.get().getMotd();
         minecraftServer.get().setMotd(motd);
     }
 

src/main/java/io/ib67/sfcraft/module/OfflineExemptModule.java

@@ -12,15 +12,14 @@ import io.ib67.sfcraft.callback.SFCallbacks;
 import io.ib67.sfcraft.config.SFConfig;
 import lombok.Setter;
 import net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback;
-import net.minecraft.command.CommandRegistryAccess;
-import net.minecraft.network.ClientConnection;
-import net.minecraft.server.WhitelistEntry;
-import net.minecraft.server.command.CommandManager;
-import net.minecraft.server.command.ServerCommandSource;
-import net.minecraft.text.Text;
-import net.minecraft.util.Colors;
-import net.minecraft.util.Uuids;
-
+import net.minecraft.commands.CommandBuildContext;
+import net.minecraft.commands.CommandSourceStack;
+import net.minecraft.commands.Commands;
+import net.minecraft.core.UUIDUtil;
+import net.minecraft.network.Connection;
+import net.minecraft.network.chat.Component;
+import net.minecraft.server.players.UserWhiteListEntry;
+import net.minecraft.util.CommonColors;
 import java.util.List;
 import java.util.function.Consumer;
 import java.util.stream.Collectors;
@@ -40,46 +39,46 @@ public class OfflineExemptModule extends ServerModule {
         CommandRegistrationCallback.EVENT.register(this::registerCommand);
     }
 
-    private void registerCommand(CommandDispatcher<ServerCommandSource> dispatcher, CommandRegistryAccess registryAccess, CommandManager.RegistrationEnvironment registrationEnvironment) {
+    private void registerCommand(CommandDispatcher<CommandSourceStack> dispatcher, CommandBuildContext registryAccess, Commands.CommandSelection registrationEnvironment) {
         dispatcher.register(
-                LiteralArgumentBuilder.<ServerCommandSource>literal("addwl")
+                LiteralArgumentBuilder.<CommandSourceStack>literal("addwl")
                         .requires(i -> isEnabled())
-                        .requires(it -> it.hasPermissionLevel(2) || SFConsts.COMMAND_ADDWL.hasPermission(it.getPlayer()))
-                        .then(RequiredArgumentBuilder.<ServerCommandSource, String>argument("player", StringArgumentType.string())
+                        .requires(it -> it.hasPermission(2) || SFConsts.COMMAND_ADDWL.hasPermission(it.getPlayer()))
+                        .then(RequiredArgumentBuilder.<CommandSourceStack, String>argument("player", StringArgumentType.string())
                                 .executes(it -> this.addPlayerOffline(it.getSource(), it.getArgument("player", String.class))))
 
         );
-        dispatcher.register(LiteralArgumentBuilder.<ServerCommandSource>literal("listoffline")
+        dispatcher.register(LiteralArgumentBuilder.<CommandSourceStack>literal("listoffline")
                 .requires(i -> isEnabled())
-                .requires(it -> it.hasPermissionLevel(2) || SFConsts.COMMAND_LISTOFFLINE.hasPermission(it.getPlayer()))
+                .requires(it -> it.hasPermission(2) || SFConsts.COMMAND_LISTOFFLINE.hasPermission(it.getPlayer()))
                 .executes(this::listOffline)
         );
     }
 
-    public int addPlayerOffline(ServerCommandSource source, String player) {
+    public int addPlayerOffline(CommandSourceStack source, String player) {
         player = player.trim();
-        var pm = source.getServer().getPlayerManager();
-        var wl = pm.getWhitelist();
-        if (List.of(wl.getNames()).contains(player)) {
-            source.sendError(Text.of(player + " is already whitelisted or this id is conflict with a online user."));
+        var pm = source.getServer().getPlayerList();
+        var wl = pm.getWhiteList();
+        if (List.of(wl.getUserList()).contains(player)) {
+            source.sendFailure(Component.nullToEmpty(player + " is already whitelisted or this id is conflict with a online user."));
             return 0;
         }
-        var profile = Uuids.getOfflinePlayerProfile(player);
-        wl.add(new WhitelistEntry(profile));
-        var uc = source.getServer().getUserCache();
+        var profile = UUIDUtil.createOfflineProfile(player);
+        wl.add(new UserWhiteListEntry(profile));
+        var uc = source.getServer().getProfileCache();
         if (uc != null) uc.add(profile);
-        source.sendMessage(Text.of("[" + profile.getName() + "/" + profile.getId() + "]" + " is added!"));
+        source.sendSystemMessage(Component.nullToEmpty("[" + profile.getName() + "/" + profile.getId() + "]" + " is added!"));
         return 0;
     }
 
-    public int listOffline(CommandContext<ServerCommandSource> ctx) {
+    public int listOffline(CommandContext<CommandSourceStack> ctx) {
         var source = ctx.getSource();
         var server = source.getServer();
-        var wl = server.getPlayerManager().getWhitelist();
-        var names = wl.getNames();
-        source.sendMessage(Text.of("Offline Users:").copy().withColor(Colors.GREEN));
-        var r = Stream.of(names).filter(name -> wl.isAllowed(Uuids.getOfflinePlayerProfile(name))).collect(Collectors.joining(", "));
-        source.sendMessage(Text.of(r.isEmpty() ? "No offline users found in whitelist." : r));
+        var wl = server.getPlayerList().getWhiteList();
+        var names = wl.getUserList();
+        source.sendSystemMessage(Component.nullToEmpty("Offline Users:").copy().withColor(CommonColors.GREEN));
+        var r = Stream.of(names).filter(name -> wl.isWhiteListed(UUIDUtil.createOfflineProfile(name))).collect(Collectors.joining(", "));
+        source.sendSystemMessage(Component.nullToEmpty(r.isEmpty() ? "No offline users found in whitelist." : r));
         return 0;
     }
 
@@ -93,9 +92,9 @@ public class OfflineExemptModule extends ServerModule {
         state = temporallyState || config.enableOfflineExempt;
     }
 
-    private void onPreLogin(String s, ClientConnection connection, Consumer<Text> textConsumer, boolean offline) {
+    private void onPreLogin(String s, Connection connection, Consumer<Component> textConsumer, boolean offline) {
         if (!state && offline) {
-            textConsumer.accept(Text.of("§c盗版赦免现已关闭"));
+            textConsumer.accept(Component.nullToEmpty("§c盗版赦免现已关闭"));
         }
     }
 }

src/main/java/io/ib67/sfcraft/module/RoomModule.java

@@ -12,21 +12,20 @@ import io.ib67.sfcraft.inject.MinecraftServerSupplier;
 import io.ib67.sfcraft.registry.RoomRegistry;
 import lombok.extern.log4j.Log4j2;
 import net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback;
-import net.minecraft.command.CommandRegistryAccess;
-import net.minecraft.network.PacketCallbacks;
-import net.minecraft.network.packet.s2c.common.ServerTransferS2CPacket;
-import net.minecraft.network.packet.s2c.common.StoreCookieS2CPacket;
-import net.minecraft.registry.RegistryKey;
-import net.minecraft.server.command.CommandManager;
-import net.minecraft.server.command.ServerCommandSource;
-import net.minecraft.server.world.ChunkTicketType;
-import net.minecraft.text.Text;
-import net.minecraft.util.Identifier;
-import net.minecraft.util.Pair;
-import net.minecraft.util.math.BlockPos;
-import net.minecraft.util.math.ChunkPos;
-import net.minecraft.world.World;
-
+import net.minecraft.commands.CommandBuildContext;
+import net.minecraft.commands.CommandSourceStack;
+import net.minecraft.commands.Commands;
+import net.minecraft.core.BlockPos;
+import net.minecraft.network.PacketSendListener;
+import net.minecraft.network.chat.Component;
+import net.minecraft.network.protocol.common.ClientboundStoreCookiePacket;
+import net.minecraft.network.protocol.common.ClientboundTransferPacket;
+import net.minecraft.resources.ResourceKey;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.server.level.TicketType;
+import net.minecraft.util.Tuple;
+import net.minecraft.world.level.ChunkPos;
+import net.minecraft.world.level.Level;
 import java.nio.charset.StandardCharsets;
 import java.util.*;
 import java.util.concurrent.ConcurrentHashMap;
@@ -44,7 +43,7 @@ public class RoomModule extends ServerModule {
     private MinecraftServerSupplier serverSupplier;
     @Inject
     private SFConfig config;
-    private final List<Pair<RegistryKey<World>, BlockPos>> pregenQueue = new ArrayList<>();
+    private final List<Tuple<ResourceKey<Level>, BlockPos>> pregenQueue = new ArrayList<>();
     private final Map<UUID, GameProfile> uuidMapper = new ConcurrentHashMap<>();
 
     @Override
@@ -54,45 +53,45 @@ public class RoomModule extends ServerModule {
 
     @Override
     public void onEnable() {
-        for (Pair<RegistryKey<World>, BlockPos> registryKeyBlockPosPair : pregenQueue) {
-            var world = serverSupplier.get().getWorld(registryKeyBlockPosPair.getLeft());
+        for (Tuple<ResourceKey<Level>, BlockPos> registryKeyBlockPosPair : pregenQueue) {
+            var world = serverSupplier.get().getLevel(registryKeyBlockPosPair.getA());
             if (world == null) {
-                log.warn("Cannot find world {}", registryKeyBlockPosPair.getLeft());
+                log.warn("Cannot find world {}", registryKeyBlockPosPair.getA());
                 continue;
             }
-            world.getChunkManager().addTicket(ChunkTicketType.START, new ChunkPos(registryKeyBlockPosPair.getRight()), 64);
+            world.getChunkSource().addTicketWithRadius(TicketType.START, new ChunkPos(registryKeyBlockPosPair.getB()), 64);
         }
     }
 
-    private void registerCommand(CommandDispatcher<ServerCommandSource> serverCommandSourceCommandDispatcher, CommandRegistryAccess commandRegistryAccess, CommandManager.RegistrationEnvironment registrationEnvironment) {
+    private void registerCommand(CommandDispatcher<CommandSourceStack> serverCommandSourceCommandDispatcher, CommandBuildContext commandRegistryAccess, Commands.CommandSelection registrationEnvironment) {
         serverCommandSourceCommandDispatcher.register(
-                LiteralArgumentBuilder.<ServerCommandSource>literal("reco")
-                        .requires(it -> it.isExecutedByPlayer() && COMMAND_RECO.hasPermission(it.getPlayer()))
+                LiteralArgumentBuilder.<CommandSourceStack>literal("reco")
+                        .requires(it -> it.isPlayer() && COMMAND_RECO.hasPermission(it.getPlayer()))
                         .executes(this::onCleanReconnect)
         );
     }
 
-    private int onCleanReconnect(CommandContext<ServerCommandSource> serverCommandSourceCommandContext) {
+    private int onCleanReconnect(CommandContext<CommandSourceStack> serverCommandSourceCommandContext) {
         var player = serverCommandSourceCommandContext.getSource().getPlayer();
         if (player == null) {
             return 0;
         }
-        if (!isVirtual(player.getUuid())) {
-            player.sendMessage(Text.literal("你不在任何 \"房间\" 内。"));
+        if (!isVirtual(player.getUUID())) {
+            player.sendSystemMessage(Component.literal("你不在任何 \"房间\" 内。"));
             return 0;
         }
-        var networkHandler = player.networkHandler;
-        networkHandler.send(new StoreCookieS2CPacket(ROOM_COOKIE, EMPTY), PacketCallbacks.always(() -> {
-            networkHandler.sendPacket(new ServerTransferS2CPacket(config.domain, serverSupplier.get().getServerPort()));
+        var networkHandler = player.connection;
+        networkHandler.send(new ClientboundStoreCookiePacket(ROOM_COOKIE, EMPTY), PacketSendListener.thenRun(() -> {
+            networkHandler.send(new ClientboundTransferPacket(config.domain, serverSupplier.get().getPort()));
         }));
         return 1;
     }
 
-    public void enqueuePregen(RegistryKey<World> world, BlockPos spawnPos) {
-        pregenQueue.add(new Pair<>(world, spawnPos));
+    public void enqueuePregen(ResourceKey<Level> world, BlockPos spawnPos) {
+        pregenQueue.add(new Tuple<>(world, spawnPos));
     }
 
-    public UUID generateIdForRoom(GameProfile issuer, String name, Identifier room) {
+    public UUID generateIdForRoom(GameProfile issuer, String name, ResourceLocation room) {
         var uuid = UUID.nameUUIDFromBytes((name + "@" + room.toString()).getBytes(StandardCharsets.UTF_8));
         var result = new UUID(uuid.getMostSignificantBits(), 0);
         if (issuer != null) uuidMapper.put(result, issuer);

src/main/java/io/ib67/sfcraft/module/SignatureService.java

@@ -5,8 +5,8 @@ import io.ib67.sfcraft.config.SFConfig;
 import io.netty.buffer.ByteBuf;
 import io.netty.buffer.Unpooled;
 import lombok.SneakyThrows;
-import net.minecraft.network.codec.PacketCodec;
-import net.minecraft.network.codec.PacketCodecs;
+import net.minecraft.network.codec.ByteBufCodecs;
+import net.minecraft.network.codec.StreamCodec;
 import org.apache.commons.lang3.RandomStringUtils;
 
 import javax.crypto.SecretKeyFactory;
@@ -63,12 +63,12 @@ public class SignatureService {
             long validUntil,
             byte[] data
     ) {
-        public static final PacketCodec<ByteBuf, Signature> PACKET_CODEC = PacketCodec.tuple(
-                PacketCodecs.STRING, Signature::topic,
-                PacketCodecs.STRING, Signature::issuer,
-                PacketCodecs.VAR_INT, Signature::permission,
-                PacketCodecs.VAR_LONG, Signature::validUntil,
-                PacketCodecs.BYTE_ARRAY, Signature::data,
+        public static final StreamCodec<ByteBuf, Signature> PACKET_CODEC = StreamCodec.composite(
+                ByteBufCodecs.STRING_UTF8, Signature::topic,
+                ByteBufCodecs.STRING_UTF8, Signature::issuer,
+                ByteBufCodecs.VAR_INT, Signature::permission,
+                ByteBufCodecs.VAR_LONG, Signature::validUntil,
+                ByteBufCodecs.BYTE_ARRAY, Signature::data,
                 Signature::new
         );
 

src/main/java/io/ib67/sfcraft/module/WelcomeModule.java

@@ -12,17 +12,10 @@ import io.ib67.sfcraft.inject.ConfigRoot;
 import lombok.SneakyThrows;
 import net.fabricmc.fabric.api.networking.v1.PacketSender;
 import net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents;
-import net.minecraft.component.DataComponentTypes;
-import net.minecraft.component.type.WrittenBookContentComponent;
-import net.minecraft.item.ItemStack;
-import net.minecraft.item.Items;
+import net.minecraft.network.chat.Component;
 import net.minecraft.server.MinecraftServer;
-import net.minecraft.server.network.ServerPlayNetworkHandler;
-import net.minecraft.server.network.ServerPlayerEntity;
-import net.minecraft.text.ClickEvent;
-import net.minecraft.text.RawFilteredPair;
-import net.minecraft.text.Text;
-
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.server.network.ServerGamePacketListenerImpl;
 import java.net.InetSocketAddress;
 import java.net.URI;
 import java.nio.file.Files;
@@ -63,25 +56,25 @@ public class WelcomeModule extends ServerModule {
         }
     }
 
-    public void onPlayerJoin(ServerPlayNetworkHandler serverPlayNetworkHandler, PacketSender
+    public void onPlayerJoin(ServerGamePacketListenerImpl serverPlayNetworkHandler, PacketSender
             packetSender, MinecraftServer minecraftServer) {
         if (!isEnabled()) return;
         var player = serverPlayNetworkHandler.getPlayer();
-        if (!player.getCommandTags().contains("sf_unlock_recipe")) {
-            player.addCommandTag("sf_unlock_recipe");
+        if (!player.getTags().contains("sf_unlock_recipe")) {
+            player.addTag("sf_unlock_recipe");
             unlockRecipe(player);
         }
         for (String s : announcements.keySet()) {
-            if (!player.getCommandTags().contains(s)) {
-                player.addCommandTag(s);
-                announcements.get(s).lines().map(Text::of).forEach(player::sendMessage);
+            if (!player.getTags().contains(s)) {
+                player.addTag(s);
+                announcements.get(s).lines().map(Component::nullToEmpty).forEach(player::sendSystemMessage);
             }
         }
     }
 
 
-    private void unlockRecipe(ServerPlayerEntity player) {
+    private void unlockRecipe(ServerPlayer player) {
         var recipe = player.getRecipeBook();
-        recipe.unlockRecipes(player.getServer().getRecipeManager().values(), player);
+        recipe.addRecipes(player.getServer().getRecipeManager().getRecipes(), player);
     }
 }

src/main/java/io/ib67/sfcraft/module/chat/ChatPrefix.java

@@ -1,13 +1,13 @@
 package io.ib67.sfcraft.module.chat;
 
-import net.minecraft.text.Text;
 import org.jetbrains.annotations.NotNull;
 
 import java.util.Comparator;
 import java.util.Objects;
+import net.minecraft.network.chat.Component;
 
 public record ChatPrefix(
-        Text prefix,
+        Component prefix,
         String id,
         boolean temporary,
         int priority

src/main/java/io/ib67/sfcraft/module/chat/ChatPrefixModule.java

@@ -5,14 +5,13 @@ import io.ib67.sfcraft.ServerModule;
 import io.ib67.sfcraft.inject.MinecraftServerSupplier;
 import net.fabricmc.fabric.api.networking.v1.PacketSender;
 import net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents;
-import net.minecraft.entity.player.PlayerEntity;
-import net.minecraft.network.packet.Packet;
-import net.minecraft.network.packet.s2c.play.TeamS2CPacket;
-import net.minecraft.scoreboard.Team;
+import net.minecraft.network.chat.Component;
+import net.minecraft.network.protocol.Packet;
+import net.minecraft.network.protocol.game.ClientboundSetPlayerTeamPacket;
 import net.minecraft.server.MinecraftServer;
-import net.minecraft.server.network.ServerPlayNetworkHandler;
-import net.minecraft.text.Text;
-
+import net.minecraft.server.network.ServerGamePacketListenerImpl;
+import net.minecraft.world.entity.player.Player;
+import net.minecraft.world.scores.PlayerTeam;
 import java.util.*;
 
 //todo rework
@@ -21,8 +20,8 @@ public class ChatPrefixModule extends ServerModule {
     private MinecraftServerSupplier serverSupplier;
     private volatile ChatPrefix empty;
     private final Map<UUID, SortedSet<ChatPrefix>> playerPrefixes = new HashMap<>();
-    private final Map<String, Team> virtualTeams = new HashMap<>();
-    private final Map<UUID, Team> players = new HashMap<>();
+    private final Map<String, PlayerTeam> virtualTeams = new HashMap<>();
+    private final Map<UUID, PlayerTeam> players = new HashMap<>();
 
     @Override
     public void onInitialize() {
@@ -33,7 +32,7 @@ public class ChatPrefixModule extends ServerModule {
     @Override
     public void onEnable() {
         empty = new ChatPrefix(
-                Text.empty(),
+                Component.empty(),
                 "EMPTY",
                 true,
                 1000
@@ -41,25 +40,25 @@ public class ChatPrefixModule extends ServerModule {
         virtualTeams.put(empty.id(), createTeamFrom(empty));
     }
 
-    private void onDisconnect(ServerPlayNetworkHandler serverPlayNetworkHandler, MinecraftServer minecraftServer) {
+    private void onDisconnect(ServerGamePacketListenerImpl serverPlayNetworkHandler, MinecraftServer minecraftServer) {
         var player = serverPlayNetworkHandler.getPlayer();
         var current = getCurrentPrefix(player);
         if (current != null && current.temporary()) {
-            removeFromTeam(player, players.get(player.getUuid()));
+            removeFromTeam(player, players.get(player.getUUID()));
         }
     }
 
-    private void onJoin(ServerPlayNetworkHandler networkHandler, PacketSender sender, MinecraftServer minecraftServer) {
+    private void onJoin(ServerGamePacketListenerImpl networkHandler, PacketSender sender, MinecraftServer minecraftServer) {
         applyPrefix(networkHandler.getPlayer(), empty);
-        for (Map.Entry<UUID, Team> uuidTeamEntry : players.entrySet()) {
+        for (Map.Entry<UUID, PlayerTeam> uuidTeamEntry : players.entrySet()) {
             var team = uuidTeamEntry.getValue();
-            sender.sendPacket(TeamS2CPacket.updateTeam(team, true));
+            sender.sendPacket(ClientboundSetPlayerTeamPacket.createAddOrModifyPacket(team, true));
         }
     }
 
-    private void onPrefixUpdate(PlayerEntity player) {
-        var lastTeam = players.get(player.getUuid());
-        var current = virtualTeams.get(playerPrefixes.get(player.getUuid()).getFirst().id());
+    private void onPrefixUpdate(Player player) {
+        var lastTeam = players.get(player.getUUID());
+        var current = virtualTeams.get(playerPrefixes.get(player.getUUID()).getFirst().id());
         if (lastTeam == current) return;
         if (lastTeam != null) removeFromTeam(player, lastTeam);
         if (current == null) {
@@ -68,49 +67,49 @@ public class ChatPrefixModule extends ServerModule {
         addToTeam(player, current);
     }
 
-    private void addToTeam(PlayerEntity player, Team team) {
-        var playerName = player.getName().getLiteralString();
+    private void addToTeam(Player player, PlayerTeam team) {
+        var playerName = player.getName().tryCollapseToString();
         if(team == null) return;
-        team.getPlayerList().add(playerName);
-        players.put(player.getUuid(), team);
-        sendToAll(TeamS2CPacket.updateTeam(team, true));
+        team.getPlayers().add(playerName);
+        players.put(player.getUUID(), team);
+        sendToAll(ClientboundSetPlayerTeamPacket.createAddOrModifyPacket(team, true));
     }
 
-    private void removeFromTeam(PlayerEntity player, Team team) {
-        var playerName = player.getName().getLiteralString();
+    private void removeFromTeam(Player player, PlayerTeam team) {
+        var playerName = player.getName().tryCollapseToString();
         if(team == null) return;
-        team.getPlayerList().remove(playerName);
-        sendToAll(TeamS2CPacket.updateTeam(team, true));
+        team.getPlayers().remove(playerName);
+        sendToAll(ClientboundSetPlayerTeamPacket.createAddOrModifyPacket(team, true));
         var current = getCurrentPrefix(player);
         var newTeam = virtualTeams.get(current.id());
         addToTeam(player, newTeam);
     }
 
     private void sendToAll(Packet<?> packet) {
-        serverSupplier.get().getPlayerManager().sendToAll(packet);
+        serverSupplier.get().getPlayerList().broadcastAll(packet);
     }
 
-    public void applyPrefix(PlayerEntity player, ChatPrefix prefix) {
-        if (hasPrefix(player.getUuid(), prefix)) {
+    public void applyPrefix(Player player, ChatPrefix prefix) {
+        if (hasPrefix(player.getUUID(), prefix)) {
             return;
         }
-        playerPrefixes.get(player.getUuid()).add(prefix);
+        playerPrefixes.get(player.getUUID()).add(prefix);
         onPrefixUpdate(player);
     }
 
-    public void removePrefix(PlayerEntity player, ChatPrefix prefix) {
-        if (!hasPrefix(player.getUuid(), prefix)) {
+    public void removePrefix(Player player, ChatPrefix prefix) {
+        if (!hasPrefix(player.getUUID(), prefix)) {
             return;
         }
-        playerPrefixes.get(player.getUuid()).remove(prefix);
+        playerPrefixes.get(player.getUUID()).remove(prefix);
         onPrefixUpdate(player);
     }
 
-    public ChatPrefix getCurrentPrefix(PlayerEntity player) {
-        if (!playerPrefixes.containsKey(player.getUuid())) {
+    public ChatPrefix getCurrentPrefix(Player player) {
+        if (!playerPrefixes.containsKey(player.getUUID())) {
             return null;
         }
-        return playerPrefixes.get(player.getUuid()).first();
+        return playerPrefixes.get(player.getUUID()).first();
 
     }
 
@@ -121,12 +120,12 @@ public class ChatPrefixModule extends ServerModule {
         return playerPrefixes.computeIfAbsent(player, ignored -> new TreeSet<>(List.of(empty))).contains(prefix);
     }
 
-    private Team createTeamFrom(ChatPrefix prefix) {
-        var t = new Team(
+    private PlayerTeam createTeamFrom(ChatPrefix prefix) {
+        var t = new PlayerTeam(
                 serverSupplier.get().getScoreboard(),
                 prefix.id()
         );
-        t.setPrefix(prefix.prefix());
+        t.setPlayerPrefix(prefix.prefix());
         return t;
     }
 }

src/main/java/io/ib67/sfcraft/module/chat/decorator/ChatPingModule.java

@@ -5,13 +5,6 @@ import io.ib67.sfcraft.ServerModule;
 import io.ib67.sfcraft.registry.chat.SimpleMessageDecorator;
 import io.ib67.sfcraft.inject.MinecraftServerSupplier;
 import io.ib67.sfcraft.util.SFConsts;
-import net.minecraft.entity.player.PlayerEntity;
-import net.minecraft.network.message.MessageDecorator;
-import net.minecraft.server.network.ServerPlayerEntity;
-import net.minecraft.sound.SoundCategory;
-import net.minecraft.sound.SoundEvents;
-import net.minecraft.text.Text;
-import net.minecraft.util.Colors;
 import org.jetbrains.annotations.Nullable;
 
 import java.util.HashSet;
@@ -19,8 +12,15 @@ import java.util.List;
 import java.util.Set;
 import java.util.regex.MatchResult;
 import java.util.regex.Pattern;
+import net.minecraft.network.chat.ChatDecorator;
+import net.minecraft.network.chat.Component;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.sounds.SoundEvents;
+import net.minecraft.sounds.SoundSource;
+import net.minecraft.util.CommonColors;
+import net.minecraft.world.entity.player.Player;
 
-public class ChatPingModule extends ServerModule implements MessageDecorator {
+public class ChatPingModule extends ServerModule implements ChatDecorator {
     private static final Pattern PING = Pattern.compile("(@[\\w]+)?"); //todo remove the need of prefix
     @Inject
     MinecraftServerSupplier serverSupplier;
@@ -33,7 +33,7 @@ public class ChatPingModule extends ServerModule implements MessageDecorator {
     }
 
     @Override
-    public Text decorate(@Nullable ServerPlayerEntity sender, Text message) {
+    public Component decorate(@Nullable ServerPlayer sender, Component message) {
         if (!isEnabled()) {
             return message;
         }
@@ -42,20 +42,20 @@ public class ChatPingModule extends ServerModule implements MessageDecorator {
                 return message;
             }
         }
-        var text = message.getLiteralString();
+        var text = message.tryCollapseToString();
         if (text == null) return message;
         var match = PING.matcher(text);
         if (!match.find()) return message;
-        var foundPlayers = new HashSet<PlayerEntity>();
+        var foundPlayers = new HashSet<Player>();
         var names = List.of(serverSupplier.get().getPlayerNames());
-        var r = Text.literal(match.replaceAll(it -> this.matchPlayer(it, names, foundPlayers)));
-        for (PlayerEntity foundPlayer : foundPlayers) {
+        var r = Component.literal(match.replaceAll(it -> this.matchPlayer(it, names, foundPlayers)));
+        for (Player foundPlayer : foundPlayers) {
             if (sender != null) {
-                foundPlayer.sendMessage(Text.literal(sender.getName().getLiteralString() + " 正在叫你。").withColor(Colors.LIGHT_GRAY), true);
+                foundPlayer.displayClientMessage(Component.literal(sender.getName().tryCollapseToString() + " 正在叫你。").withColor(CommonColors.LIGHT_GRAY), true);
             }
-            foundPlayer.playSoundToPlayer(
-                    SoundEvents.ENTITY_ITEM_PICKUP,
-                    SoundCategory.PLAYERS,
+            foundPlayer.playNotifySound(
+                    SoundEvents.ITEM_PICKUP,
+                    SoundSource.PLAYERS,
                     0.8f,
                     0.5f
             );
@@ -63,14 +63,14 @@ public class ChatPingModule extends ServerModule implements MessageDecorator {
         return r;
     }
 
-    private String matchPlayer(MatchResult match, List<String> playerNames, Set<PlayerEntity> foundPlayers) {
+    private String matchPlayer(MatchResult match, List<String> playerNames, Set<Player> foundPlayers) {
         for (int i = 0; i < match.groupCount(); i++) {
             var r = match.group();
             if (r.isEmpty()) continue;
             final var d = r.substring(1);
             return playerNames.stream()
                     .filter(it -> it.toLowerCase().startsWith(d))
-                    .peek(it -> foundPlayers.add(serverSupplier.get().getPlayerManager().getPlayer(it)))
+                    .peek(it -> foundPlayers.add(serverSupplier.get().getPlayerList().getPlayerByName(it)))
                     .findFirst()
                     .orElse(r);
         }

src/main/java/io/ib67/sfcraft/module/chat/decorator/ChatSendLocModule.java

@@ -5,17 +5,17 @@ import io.ib67.sfcraft.ServerModule;
 import io.ib67.sfcraft.registry.chat.SimpleMessageDecorator;
 import io.ib67.sfcraft.util.Helper;
 import io.ib67.sfcraft.util.SFConsts;
-import net.minecraft.entity.effect.StatusEffectInstance;
-import net.minecraft.entity.effect.StatusEffects;
-import net.minecraft.network.message.MessageDecorator;
-import net.minecraft.registry.RegistryKey;
-import net.minecraft.server.network.ServerPlayerEntity;
-import net.minecraft.text.ClickEvent;
-import net.minecraft.text.Text;
-import net.minecraft.world.World;
+import net.minecraft.network.chat.ChatDecorator;
+import net.minecraft.network.chat.ClickEvent;
+import net.minecraft.network.chat.Component;
+import net.minecraft.resources.ResourceKey;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.world.effect.MobEffectInstance;
+import net.minecraft.world.effect.MobEffects;
+import net.minecraft.world.level.Level;
 import org.jetbrains.annotations.Nullable;
 
-public class ChatSendLocModule extends ServerModule implements MessageDecorator {
+public class ChatSendLocModule extends ServerModule implements ChatDecorator {
     @Inject
     SimpleMessageDecorator messageDecorator;
 
@@ -25,7 +25,7 @@ public class ChatSendLocModule extends ServerModule implements MessageDecorator
     }
 
     @Override
-    public Text decorate(@Nullable ServerPlayerEntity sender, Text message) {
+    public Component decorate(@Nullable ServerPlayer sender, Component message) {
         if (!isEnabled()) return message;
         if (sender != null) {
             if (!SFConsts.USE_BROADCAST_LOCATION.hasPermission(sender)) {
@@ -35,26 +35,26 @@ public class ChatSendLocModule extends ServerModule implements MessageDecorator
         return ReplaceHelper.replace(sender, message, ".xyz", ChatSendLocModule::generateLocText);
     }
 
-    private static Text generateLocText(ServerPlayerEntity sender) {
-        if (sender == null) return Text.of(" (invalid position) ");
-        sender.addStatusEffect(new StatusEffectInstance(StatusEffects.GLOWING, 15 * 20));
-        var x = sender.getBlockPos().getX();
-        var y = sender.getBlockPos().getY();
-        var z = sender.getBlockPos().getZ();
-        var key = sender.getWorld().getRegistryKey();
+    private static Component generateLocText(ServerPlayer sender) {
+        if (sender == null) return Component.nullToEmpty(" (invalid position) ");
+        sender.addEffect(new MobEffectInstance(MobEffects.GLOWING, 15 * 20));
+        var x = sender.blockPosition().getX();
+        var y = sender.blockPosition().getY();
+        var z = sender.blockPosition().getZ();
+        var key = sender.level().dimension();
         var world = translate(key);
-        return Text
+        return Component
                 .literal(" " + x + ", " + y + ", " + z + world + " ")
                 .withColor(Helper.fromRgb(63, 254, 254))
-                .styled(style -> style.withClickEvent(new ClickEvent.RunCommand("/gps " + key + " " + x + " " + y + " " + z)));
+                .withStyle(style -> style.withClickEvent(new ClickEvent.RunCommand("/gps " + key + " " + x + " " + y + " " + z)));
     }
 
-    private static String translate(RegistryKey<World> registryKey) {
-        if (registryKey == World.END) {
+    private static String translate(ResourceKey<Level> registryKey) {
+        if (registryKey == Level.END) {
             return " (末地)";
-        } else if (registryKey == World.NETHER) {
+        } else if (registryKey == Level.NETHER) {
             return " (地狱)";
-        } else if (registryKey == World.OVERWORLD) {
+        } else if (registryKey == Level.OVERWORLD) {
             return "";
         } else {
             return " (未知)";

src/main/java/io/ib67/sfcraft/module/chat/decorator/ReplaceHelper.java

@@ -1,18 +1,17 @@
 package io.ib67.sfcraft.module.chat.decorator;
 
-import net.minecraft.server.network.ServerPlayerEntity;
-import net.minecraft.text.Text;
-
 import java.util.Locale;
 import java.util.function.Function;
+import net.minecraft.network.chat.Component;
+import net.minecraft.server.level.ServerPlayer;
 
 class ReplaceHelper {
 
-    public static Text replace(ServerPlayerEntity sender, Text message, String s, Function<ServerPlayerEntity, Text> generator) {
-        var text = message.getLiteralString();
+    public static Component replace(ServerPlayer sender, Component message, String s, Function<ServerPlayer, Component> generator) {
+        var text = message.tryCollapseToString();
         if (text == null || text.isEmpty()) return message;
         text = text.trim();
-        var result = Text.literal("");
+        var result = Component.literal("");
         var head = 0;
         var lowercase = text.toLowerCase(Locale.ROOT);
         var i = lowercase.indexOf(s);

src/main/java/io/ib67/sfcraft/module/command/BackModule.java

@@ -8,14 +8,14 @@ import io.ib67.sfcraft.util.SFConsts;
 import io.ib67.sfcraft.ServerModule;
 import io.ib67.sfcraft.callback.SFCallbacks;
 import net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback;
-import net.minecraft.command.CommandRegistryAccess;
-import net.minecraft.entity.damage.DamageSource;
-import net.minecraft.entity.player.PlayerEntity;
-import net.minecraft.server.command.CommandManager;
-import net.minecraft.server.command.ServerCommandSource;
-import net.minecraft.server.network.ServerPlayerEntity;
-import net.minecraft.text.Text;
-import net.minecraft.util.Colors;
+import net.minecraft.commands.CommandBuildContext;
+import net.minecraft.commands.CommandSourceStack;
+import net.minecraft.commands.Commands;
+import net.minecraft.network.chat.Component;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.util.CommonColors;
+import net.minecraft.world.damagesource.DamageSource;
+import net.minecraft.world.entity.player.Player;
 
 public class BackModule extends ServerModule {
     @Override
@@ -24,38 +24,38 @@ public class BackModule extends ServerModule {
         CommandRegistrationCallback.EVENT.register(this::registerCommands);
     }
 
-    private void registerCommands(CommandDispatcher<ServerCommandSource> dispatcher, CommandRegistryAccess registryAccess, CommandManager.RegistrationEnvironment registrationEnvironment) {
-        dispatcher.register(LiteralArgumentBuilder.<ServerCommandSource>literal("back")
+    private void registerCommands(CommandDispatcher<CommandSourceStack> dispatcher, CommandBuildContext registryAccess, Commands.CommandSelection registrationEnvironment) {
+        dispatcher.register(LiteralArgumentBuilder.<CommandSourceStack>literal("back")
                 .requires(it -> this.isEnabled())
                 .requires(it -> it.getPlayer() != null)
-                .requires(it -> it.getPlayer().getLastDeathPos().isPresent())
+                .requires(it -> it.getPlayer().getLastDeathLocation().isPresent())
                 .requires(it -> SFConsts.COMMAND_BACK.hasPermission(it.getPlayer()))
                 .executes(this::onBack));
     }
 
-    public int onBack(CommandContext<ServerCommandSource> it) {
+    public int onBack(CommandContext<CommandSourceStack> it) {
         var player = it.getSource().getPlayer();
-        var pos = player.getLastDeathPos().get();
-        var wld = player.getServer().getWorld(pos.dimension());
+        var pos = player.getLastDeathLocation().get();
+        var wld = player.getServer().getLevel(pos.dimension());
         var _pos = pos.pos();
         if (wld == null) return 0;
-        var nearby = wld.getClosestPlayer(_pos.getX(), _pos.getY(), _pos.getZ(), 100, true);
+        var nearby = wld.getNearestPlayer(_pos.getX(), _pos.getY(), _pos.getZ(), 100, true);
         if (nearby != null) {
-            _pos = nearby.getBlockPos();
+            _pos = nearby.blockPosition();
             Helper.teleportSafely(player, wld, _pos.getX(), _pos.getY(), _pos.getZ(),0,0);
         } else {
             if (SFConsts.UNLIMITED_COMMAND_BACK.hasPermission(player)) {
                 Helper.teleportSafely(player, wld, _pos.getX(), _pos.getY(), _pos.getZ(),0,0);
                 return 0;
             }
-            player.sendMessage(Text.of("周围没有玩家。").copy().withColor(Colors.RED));
+            player.sendSystemMessage(Component.nullToEmpty("周围没有玩家。").copy().withColor(CommonColors.RED));
         }
         return 0;
     }
 
-    public void onPlayerDeath(PlayerEntity player, DamageSource damageSource) {
-        if (this.isEnabled() && Helper.canBack((ServerPlayerEntity) player)) {
-            player.sendMessage(Text.of("Tip: 死亡地点附近有玩家，可以使用 /back 传送到他们那里。（即使在对方也死亡的状态下）"), false);
+    public void onPlayerDeath(Player player, DamageSource damageSource) {
+        if (this.isEnabled() && Helper.canBack((ServerPlayer) player)) {
+            player.displayClientMessage(Component.nullToEmpty("Tip: 死亡地点附近有玩家，可以使用 /back 传送到他们那里。（即使在对方也死亡的状态下）"), false);
         }
     }
 }

src/main/java/io/ib67/sfcraft/module/command/ManagementModule.java

@@ -13,15 +13,14 @@ import io.ib67.sfcraft.ServerModule;
 import lombok.SneakyThrows;
 import net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback;
 import net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents;
-import net.minecraft.command.CommandRegistryAccess;
+import net.minecraft.commands.CommandBuildContext;
+import net.minecraft.commands.CommandSourceStack;
+import net.minecraft.commands.Commands;
+import net.minecraft.network.chat.Component;
 import net.minecraft.server.MinecraftServer;
-import net.minecraft.server.command.CommandManager;
-import net.minecraft.server.command.ServerCommandSource;
-import net.minecraft.server.network.ServerPlayNetworkHandler;
-import net.minecraft.server.network.ServerPlayerEntity;
-import net.minecraft.text.Text;
-import net.minecraft.util.Colors;
-
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.server.network.ServerGamePacketListenerImpl;
+import net.minecraft.util.CommonColors;
 import java.lang.reflect.Field;
 import java.net.Inet4Address;
 import java.net.InetAddress;
@@ -38,72 +37,72 @@ public class ManagementModule extends ServerModule {
         ServerPlayConnectionEvents.DISCONNECT.register(this::onDisconnect);
     }
 
-    private void onDisconnect(ServerPlayNetworkHandler serverPlayNetworkHandler, MinecraftServer minecraftServer) {
-        serverPlayNetworkHandler.getPlayer().removeCommandTag(SFConsts.SPECIAL_SUDO);
+    private void onDisconnect(ServerGamePacketListenerImpl serverPlayNetworkHandler, MinecraftServer minecraftServer) {
+        serverPlayNetworkHandler.getPlayer().removeTag(SFConsts.SPECIAL_SUDO);
     }
 
     private void registerCommands(
-            CommandDispatcher<ServerCommandSource> dispatcher,
-            CommandRegistryAccess registryAccess,
-            CommandManager.RegistrationEnvironment env) {
-        dispatcher.register(LiteralArgumentBuilder.<ServerCommandSource>literal("sudo")
+            CommandDispatcher<CommandSourceStack> dispatcher,
+            CommandBuildContext registryAccess,
+            Commands.CommandSelection env) {
+        dispatcher.register(LiteralArgumentBuilder.<CommandSourceStack>literal("sudo")
                 .requires(it -> this.isEnabled())
-                .requires(it -> it.hasPermissionLevel(2) && it.getPlayer() != null)
+                .requires(it -> it.hasPermission(2) && it.getPlayer() != null)
                 .executes(this::enterSudoMode)
         );
-        dispatcher.register(LiteralArgumentBuilder.<ServerCommandSource>literal("listperm")
+        dispatcher.register(LiteralArgumentBuilder.<CommandSourceStack>literal("listperm")
                 .requires(it -> this.isEnabled())
-                .requires(it -> it.hasPermissionLevel(2) || SFConsts.COMMAND_LISTPERM.hasPermission(it.getPlayer()))
+                .requires(it -> it.hasPermission(2) || SFConsts.COMMAND_LISTPERM.hasPermission(it.getPlayer()))
                 .executes(this::listPerms)
         );
-        dispatcher.register(LiteralArgumentBuilder.<ServerCommandSource>literal("listgeo")
+        dispatcher.register(LiteralArgumentBuilder.<CommandSourceStack>literal("listgeo")
                 .requires(it -> this.isEnabled())
-                .requires(it -> it.hasPermissionLevel(2) || SFConsts.COMMAND_LISTGEO.hasPermission(it.getPlayer()))
+                .requires(it -> it.hasPermission(2) || SFConsts.COMMAND_LISTGEO.hasPermission(it.getPlayer()))
                 .executes(this::listGeo)
         );
     }
 
-    private int listGeo(CommandContext<ServerCommandSource> ctx) {
+    private int listGeo(CommandContext<CommandSourceStack> ctx) {
         var src = ctx.getSource();
         var server = src.getServer();
-        src.sendMessage(Text.of("List of player with cities:"));
-        for (ServerPlayerEntity serverPlayerEntity : server.getPlayerManager().getPlayerList()) {
+        src.sendSystemMessage(Component.nullToEmpty("List of player with cities:"));
+        for (ServerPlayer serverPlayerEntity : server.getPlayerList().getPlayers()) {
             try {
-                var addr = InetAddress.getByName(serverPlayerEntity.getIp());
+                var addr = InetAddress.getByName(serverPlayerEntity.getIpAddress());
                 var city = geoIPService.cityOf(addr);
-                src.sendMessage(
-                        Text.literal(" - ")
-                                .append(Text.literal("[" + city.getName() + "] ").withColor(Colors.BLUE))
-                                .append(Text.literal(serverPlayerEntity.getName().getLiteralString()))
-                                .append(Text.literal(" (" + Helper.hideIp(addr) + ")").withColor(Colors.LIGHT_GRAY))
+                src.sendSystemMessage(
+                        Component.literal(" - ")
+                                .append(Component.literal("[" + city.getName() + "] ").withColor(CommonColors.BLUE))
+                                .append(Component.literal(serverPlayerEntity.getName().tryCollapseToString()))
+                                .append(Component.literal(" (" + Helper.hideIp(addr) + ")").withColor(CommonColors.LIGHT_GRAY))
                 );
             } catch (GeoIp2Exception | UnknownHostException e) {
-                src.sendMessage(Text.literal(" - [FAILED TO FETCH] " + serverPlayerEntity.getName().getLiteralString()).withColor(Colors.LIGHT_RED));
+                src.sendSystemMessage(Component.literal(" - [FAILED TO FETCH] " + serverPlayerEntity.getName().tryCollapseToString()).withColor(CommonColors.SOFT_RED));
             }
         }
         return 0;
     }
 
-    public int enterSudoMode(CommandContext<ServerCommandSource> ctx) {
+    public int enterSudoMode(CommandContext<CommandSourceStack> ctx) {
         var player = ctx.getSource().getPlayer();
-        if (player.getCommandTags().contains(SFConsts.SPECIAL_SUDO)) {
-            player.removeCommandTag(SFConsts.SPECIAL_SUDO);
-            player.sendMessage(Text.of("Sudo is off.").copy().withColor(Colors.GREEN));
+        if (player.getTags().contains(SFConsts.SPECIAL_SUDO)) {
+            player.removeTag(SFConsts.SPECIAL_SUDO);
+            player.sendSystemMessage(Component.nullToEmpty("Sudo is off.").copy().withColor(CommonColors.GREEN));
         } else {
-            player.addCommandTag(SFConsts.SPECIAL_SUDO);
-            player.sendMessage(Text.of("Sudo is on.").copy().withColor(Colors.GREEN));
+            player.addTag(SFConsts.SPECIAL_SUDO);
+            player.sendSystemMessage(Component.nullToEmpty("Sudo is on.").copy().withColor(CommonColors.GREEN));
         }
         return 0;
     }
 
     @SneakyThrows
-    public int listPerms(CommandContext<ServerCommandSource> ctx) {
+    public int listPerms(CommandContext<CommandSourceStack> ctx) {
         var src = ctx.getSource();
-        src.sendMessage(Text.of("Permissions: ").copy().withColor(Colors.GREEN));
+        src.sendSystemMessage(Component.nullToEmpty("Permissions: ").copy().withColor(CommonColors.GREEN));
         for (Field declaredField : SFConsts.class.getDeclaredFields()) {
             if (Permission.class.isAssignableFrom(declaredField.getType())) {
                 var permission = (Permission<?>) declaredField.get(null);
-                src.sendMessage(Text.of(" - " + permission.key() + " " + (permission.byDefault() ? "(default)" : "")));
+                src.sendSystemMessage(Component.nullToEmpty(" - " + permission.key() + " " + (permission.byDefault() ? "(default)" : "")));
             }
         }
         return 0;

src/main/java/io/ib67/sfcraft/module/randomevt/longnight/DawnAfterLongNightEvent.java

@@ -2,24 +2,23 @@ package io.ib67.sfcraft.module.randomevt.longnight;
 
 import io.ib67.sfcraft.module.randomevt.RandomEvent;
 import lombok.RequiredArgsConstructor;
-import net.minecraft.text.Text;
-import net.minecraft.util.Colors;
-import net.minecraft.world.World;
-
+import net.minecraft.network.chat.Component;
+import net.minecraft.util.CommonColors;
+import net.minecraft.world.level.Level;
 import java.awt.*;
 
 @RequiredArgsConstructor
 public class DawnAfterLongNightEvent extends RandomEvent {
-    private final World world;
+    private final Level world;
 
     @Override
     public int start() {
         if (LongNightEvent.justExpirencedLongNight) {
             LongNightEvent.justExpirencedLongNight = false;
-            world.getServer().getPlayerManager().broadcast(
-                    Text.literal("\"月亮\"离开了。")
+            world.getServer().getPlayerList().broadcastSystemMessage(
+                    Component.literal("\"月亮\"离开了。")
                             .withColor(new Color(235, 91, 0).getRGB())
-                            .append(Text.literal("（永夜事件结束）").withColor(Colors.LIGHT_GRAY))
+                            .append(Component.literal("（永夜事件结束）").withColor(CommonColors.LIGHT_GRAY))
                     , false);
         }
         return -1;

src/main/java/io/ib67/sfcraft/module/randomevt/longnight/LongNightEvent.java

@@ -3,11 +3,10 @@ package io.ib67.sfcraft.module.randomevt.longnight;
 import io.ib67.sfcraft.module.randomevt.RandomEvent;
 import lombok.Getter;
 import lombok.RequiredArgsConstructor;
-import net.minecraft.server.world.ServerWorld;
-import net.minecraft.text.Text;
-import net.minecraft.util.Colors;
-import net.minecraft.world.GameRules;
-import net.minecraft.world.World;
+import net.minecraft.network.chat.Component;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.util.CommonColors;
+import net.minecraft.world.level.GameRules;
 
 @RequiredArgsConstructor
 public class LongNightEvent extends RandomEvent {
@@ -15,20 +14,20 @@ public class LongNightEvent extends RandomEvent {
     static boolean isAtLongNight;
     @Getter
     private static int remainingTicks;
-    private final ServerWorld world;
+    private final ServerLevel world;
     private boolean doDaylightCycle;
     private boolean doTraderSpawning;
 
     @Override
     public int start() {
-        var pm = world.getServer().getPlayerManager();
+        var pm = world.getServer().getPlayerList();
         isAtLongNight = true;
-        pm.broadcast(Text.literal("月亮停滞在空中...").withColor(Colors.BLUE), false);
-        this.doDaylightCycle = world.getGameRules().getBoolean(GameRules.DO_DAYLIGHT_CYCLE);
-        this.doTraderSpawning = world.getGameRules().getBoolean(GameRules.DO_TRADER_SPAWNING);
-        world.getGameRules().get(GameRules.DO_DAYLIGHT_CYCLE).set(false, world.getServer());
-        world.getGameRules().get(GameRules.DO_TRADER_SPAWNING).set(false, world.getServer());
-        remainingTicks = world.random.nextBetween(8400, 2 * 8400);
+        pm.broadcastSystemMessage(Component.literal("月亮停滞在空中...").withColor(CommonColors.BLUE), false);
+        this.doDaylightCycle = world.getGameRules().getBoolean(GameRules.RULE_DAYLIGHT);
+        this.doTraderSpawning = world.getGameRules().getBoolean(GameRules.RULE_DO_TRADER_SPAWNING);
+        world.getGameRules().getRule(GameRules.RULE_DAYLIGHT).set(false, world.getServer());
+        world.getGameRules().getRule(GameRules.RULE_DO_TRADER_SPAWNING).set(false, world.getServer());
+        remainingTicks = world.random.nextIntBetweenInclusive(8400, 2 * 8400);
         return remainingTicks;
     }
 
@@ -42,8 +41,8 @@ public class LongNightEvent extends RandomEvent {
         isAtLongNight = false;
         justExpirencedLongNight = true;
         remainingTicks = 0;
-        world.getGameRules().get(GameRules.DO_DAYLIGHT_CYCLE).set(doDaylightCycle, world.getServer());
-        world.getGameRules().get(GameRules.DO_TRADER_SPAWNING).set(doTraderSpawning, world.getServer());
+        world.getGameRules().getRule(GameRules.RULE_DAYLIGHT).set(doDaylightCycle, world.getServer());
+        world.getGameRules().getRule(GameRules.RULE_DO_TRADER_SPAWNING).set(doTraderSpawning, world.getServer());
     }
 
     public static boolean isRunning() {

src/main/java/io/ib67/sfcraft/module/room/CreativeRoomModule.java

@@ -23,21 +23,17 @@ import net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback;
 import net.fabricmc.fabric.api.networking.v1.PacketSender;
 import net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents;
 import net.fabricmc.fabric.api.util.TriState;
-import net.minecraft.command.CommandRegistryAccess;
-import net.minecraft.command.CommandSource;
-import net.minecraft.command.EntitySelector;
-import net.minecraft.command.argument.EntityArgumentType;
-import net.minecraft.command.argument.GameModeArgumentType;
-import net.minecraft.network.packet.s2c.play.TeamS2CPacket;
-import net.minecraft.scoreboard.Team;
+import net.minecraft.commands.CommandBuildContext;
+import net.minecraft.commands.CommandSourceStack;
+import net.minecraft.commands.Commands;
+import net.minecraft.commands.SharedSuggestionProvider;
+import net.minecraft.commands.arguments.EntityArgument;
+import net.minecraft.commands.arguments.GameModeArgument;
+import net.minecraft.network.chat.Component;
 import net.minecraft.server.MinecraftServer;
-import net.minecraft.server.command.CommandManager;
-import net.minecraft.server.command.ServerCommandSource;
-import net.minecraft.server.network.ServerPlayNetworkHandler;
-import net.minecraft.server.network.ServerPlayerEntity;
-import net.minecraft.text.Text;
-import net.minecraft.util.Colors;
-import net.minecraft.world.GameMode;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.util.CommonColors;
+import net.minecraft.world.level.GameType;
 import org.jetbrains.annotations.NotNull;
 
 import java.awt.*;
@@ -66,7 +62,7 @@ public class CreativeRoomModule extends ServerModule {
     @Override
     public void onInitialize() {
         prefix = new ChatPrefix(
-                Text.literal("[PLAYGRD] ").withColor(Colors.LIGHT_YELLOW),
+                Component.literal("[PLAYGRD] ").withColor(CommonColors.SOFT_YELLOW),
                 "playgrd",
                 true,
                 20
@@ -81,10 +77,10 @@ public class CreativeRoomModule extends ServerModule {
         roomModule.enqueuePregen(CreativeSpaceRoom.WORLD, CreativeSpaceRoom.SPAWN_POS);
     }
 
-    private @NotNull TriState onOtherCommands(@NotNull CommandSource commandSource, @NotNull String s) {
-        if (commandSource instanceof ServerCommandSource source && source.getPlayer() != null) {
+    private @NotNull TriState onOtherCommands(@NotNull SharedSuggestionProvider commandSource, @NotNull String s) {
+        if (commandSource instanceof CommandSourceStack source && source.getPlayer() != null) {
             var p = source.getPlayer();
-            if (p.getWorld().getRegistryKey().equals(CreativeSpaceRoom.WORLD)) {
+            if (p.level().dimension().equals(CreativeSpaceRoom.WORLD)) {
                 if (BYPASS_PERMISSIONS.contains(s)) {
                     return TriState.TRUE;
                 }
@@ -93,10 +89,10 @@ public class CreativeRoomModule extends ServerModule {
         return TriState.DEFAULT;
     }
 
-    private @NotNull TriState onWorldEdit(@NotNull CommandSource commandSource, @NotNull String s) {
-        if (commandSource instanceof ServerCommandSource source && source.getPlayer() != null) {
+    private @NotNull TriState onWorldEdit(@NotNull SharedSuggestionProvider commandSource, @NotNull String s) {
+        if (commandSource instanceof CommandSourceStack source && source.getPlayer() != null) {
             var p = source.getPlayer();
-            if (p.getWorld().getRegistryKey().equals(CreativeSpaceRoom.WORLD)) {
+            if (p.level().dimension().equals(CreativeSpaceRoom.WORLD)) {
                 if (s.startsWith("worldedit") && SFConsts.WORLDEDIT_AT_PLAYGROUND.hasPermission(p)) {
                     return TriState.TRUE;
                 }
@@ -105,89 +101,89 @@ public class CreativeRoomModule extends ServerModule {
         return TriState.DEFAULT;
     }
 
-    private void registerCommand(CommandDispatcher<ServerCommandSource> dispatcher,
-                                 CommandRegistryAccess registry, CommandManager.RegistrationEnvironment env) {
+    private void registerCommand(CommandDispatcher<CommandSourceStack> dispatcher,
+                                 CommandBuildContext registry, Commands.CommandSelection env) {
         dispatcher.register(
-                LiteralArgumentBuilder.<ServerCommandSource>literal("playgrd")
-                        .requires(it -> it.isExecutedByPlayer() && SFConsts.COMMAND_PLAYGROUND.hasPermission(it.getPlayer()))
+                LiteralArgumentBuilder.<CommandSourceStack>literal("playgrd")
+                        .requires(it -> it.isPlayer() && SFConsts.COMMAND_PLAYGROUND.hasPermission(it.getPlayer()))
                         .executes(this::gotoPlayground)
         );
         dispatcher.register(
-                CommandManager.literal("gm")
-                        .then(CommandManager.argument("mode", GameModeArgumentType.gameMode())
-                                .requires(it -> it.isExecutedByPlayer() && SFConsts.COMMAND_PLAYGROUND_GAMEMODE.hasPermission(it.getPlayer()))
+                Commands.literal("gm")
+                        .then(Commands.argument("mode", GameModeArgument.gameMode())
+                                .requires(it -> it.isPlayer() && SFConsts.COMMAND_PLAYGROUND_GAMEMODE.hasPermission(it.getPlayer()))
                                 .executes(this::onGameMode)
                         )
         );
         dispatcher.register(
-                CommandManager.literal("pt")
-                        .then(CommandManager.argument("dest", EntityArgumentType.entity())
-                                .requires(it -> it.isExecutedByPlayer() && SFConsts.COMMAND_PLAYGROUND_TELEPORT.hasPermission(it.getPlayer()))
+                Commands.literal("pt")
+                        .then(Commands.argument("dest", EntityArgument.entity())
+                                .requires(it -> it.isPlayer() && SFConsts.COMMAND_PLAYGROUND_TELEPORT.hasPermission(it.getPlayer()))
                                 .executes(this::onTeleport))
         );
     }
 
-    private int onTeleport(CommandContext<ServerCommandSource> ctx) throws CommandSyntaxException {
+    private int onTeleport(CommandContext<CommandSourceStack> ctx) throws CommandSyntaxException {
         var src = ctx.getSource();
-        if (src instanceof ServerCommandSource source && source.getPlayer() != null) {
+        if (src instanceof CommandSourceStack source && source.getPlayer() != null) {
             var p = source.getPlayer();
-            var dest = EntityArgumentType.getEntity(ctx, "dest");
-            if (p.getWorld().getRegistryKey().equals(CreativeSpaceRoom.WORLD)) {
-                if (dest.getWorld() == p.getWorld()) {
+            var dest = EntityArgument.getEntity(ctx, "dest");
+            if (p.level().dimension().equals(CreativeSpaceRoom.WORLD)) {
+                if (dest.level() == p.level()) {
                     Helper.teleportSafely(
-                            p, p.getWorld(),
+                            p, p.level(),
                             dest.getBlockX(), dest.getBlockY(), dest.getBlockZ(),
-                            dest.getYaw(), dest.getPitch()
+                            dest.getYRot(), dest.getXRot()
                     );
                     return Command.SINGLE_SUCCESS;
                 }
             }
-            p.sendMessage(Text.of("You and target must be in playground!"));
+            p.sendSystemMessage(Component.nullToEmpty("You and target must be in playground!"));
         }
         return Command.SINGLE_SUCCESS;
     }
 
-    private int onGameMode(CommandContext<ServerCommandSource> ctx) {
+    private int onGameMode(CommandContext<CommandSourceStack> ctx) {
         var src = ctx.getSource();
-        if (src instanceof ServerCommandSource source && source.getPlayer() != null) {
+        if (src instanceof CommandSourceStack source && source.getPlayer() != null) {
             var p = source.getPlayer();
-            var mode = ctx.getArgument("mode", GameMode.class);
-            if (p.getWorld().getRegistryKey().equals(CreativeSpaceRoom.WORLD)) {
-                p.changeGameMode(mode);
-                p.sendMessage(Text.of("Your gamemode has been changed to " + mode.asString()));
+            var mode = ctx.getArgument("mode", GameType.class);
+            if (p.level().dimension().equals(CreativeSpaceRoom.WORLD)) {
+                p.setGameMode(mode);
+                p.sendSystemMessage(Component.nullToEmpty("Your gamemode has been changed to " + mode.getSerializedName()));
             } else {
-                p.sendMessage(Text.of("You can only use this in playground!"));
+                p.sendSystemMessage(Component.nullToEmpty("You can only use this in playground!"));
             }
         }
         return Command.SINGLE_SUCCESS;
     }
 
-    private int gotoPlayground(CommandContext<ServerCommandSource> serverCommandSourceCommandContext) {
+    private int gotoPlayground(CommandContext<CommandSourceStack> serverCommandSourceCommandContext) {
         var player = serverCommandSourceCommandContext.getSource().getPlayer();
         try {
             teleporter.teleportTo(room, player);
         } catch (Exception e) {
-            player.networkHandler.disconnect(Text.of(e.getMessage()));
+            player.connection.disconnect(Component.nullToEmpty(e.getMessage()));
             e.printStackTrace();
         }
         return 0;
     }
 
-    public void onPlayerJoin(ServerPlayerEntity player) {
-        player.sendMessage(Text.of("你现在正在创造游乐园中，使用 //schem list 查看可用投影。"));
-        player.sendMessage(Text.literal("以下功能现在可用：").withColor(Colors.WHITE)
-                .append(Text.literal("/player /track /summon /setblock /gamerule 及 WorldEdit 的所有命令").withColor(Color.MAGENTA.getRGB()).append("。")));
-        player.sendMessage(Text.of("    "));
-        player.sendMessage(Text.literal("如何上传投影到游乐场: ").withColor(Colors.GRAY)
-                .append(Text.literal("https://github.com/saltedfishclub/sfcraft-schematics").withColor(Colors.GRAY).styled(it -> it.withUnderline(true))));
-        player.sendMessage(Text.literal("游乐园中的生物不能逃逸到其他维度。").withColor(Colors.GRAY));
-        player.sendMessage(Text.literal("使用 /reco 或重新加入游戏即可离开。").withColor(Colors.GRAY));
-        player.changeGameMode(GameMode.CREATIVE);
+    public void onPlayerJoin(ServerPlayer player) {
+        player.sendSystemMessage(Component.nullToEmpty("你现在正在创造游乐园中，使用 //schem list 查看可用投影。"));
+        player.sendSystemMessage(Component.literal("以下功能现在可用：").withColor(CommonColors.WHITE)
+                .append(Component.literal("/player /track /summon /setblock /gamerule 及 WorldEdit 的所有命令").withColor(Color.MAGENTA.getRGB()).append("。")));
+        player.sendSystemMessage(Component.nullToEmpty("    "));
+        player.sendSystemMessage(Component.literal("如何上传投影到游乐场: ").withColor(CommonColors.GRAY)
+                .append(Component.literal("https://github.com/saltedfishclub/sfcraft-schematics").withColor(CommonColors.GRAY).withStyle(it -> it.withUnderlined(true))));
+        player.sendSystemMessage(Component.literal("游乐园中的生物不能逃逸到其他维度。").withColor(CommonColors.GRAY));
+        player.sendSystemMessage(Component.literal("使用 /reco 或重新加入游戏即可离开。").withColor(CommonColors.GRAY));
+        player.setGameMode(GameType.CREATIVE);
 
         chatPrefixModule.applyPrefix(player, prefix);
     }
 
-    public void onPlayerQuit(ServerPlayerEntity player) {
+    public void onPlayerQuit(ServerPlayer player) {
         chatPrefixModule.removePrefix(player, prefix);
     }
 }

src/main/java/io/ib67/sfcraft/module/supervisor/web/SchematicUploader.java

@@ -19,14 +19,14 @@ import io.netty.buffer.Unpooled;
 import lombok.SneakyThrows;
 import lombok.extern.log4j.Log4j2;
 import net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback;
-import net.minecraft.command.CommandRegistryAccess;
+import net.minecraft.commands.CommandBuildContext;
+import net.minecraft.commands.CommandSourceStack;
+import net.minecraft.commands.Commands;
+import net.minecraft.nbt.NbtAccounter;
 import net.minecraft.nbt.NbtIo;
-import net.minecraft.nbt.NbtSizeTracker;
-import net.minecraft.server.command.CommandManager;
-import net.minecraft.server.command.ServerCommandSource;
-import net.minecraft.server.network.ServerPlayerEntity;
-import net.minecraft.text.ClickEvent;
-import net.minecraft.text.Text;
+import net.minecraft.network.chat.ClickEvent;
+import net.minecraft.network.chat.Component;
+import net.minecraft.server.level.ServerPlayer;
 import org.jetbrains.annotations.NotNull;
 
 import java.awt.*;
@@ -55,22 +55,22 @@ public class SchematicUploader extends WebHandler {
         CommandRegistrationCallback.EVENT.register(this::registerCommand);
     }
 
-    private void registerCommand(CommandDispatcher<ServerCommandSource> dispatcher, CommandRegistryAccess registry, CommandManager.RegistrationEnvironment env) {
-        dispatcher.register(CommandManager.literal("upload").then(
-                CommandManager.literal("schematic")
+    private void registerCommand(CommandDispatcher<CommandSourceStack> dispatcher, CommandBuildContext registry, Commands.CommandSelection env) {
+        dispatcher.register(Commands.literal("upload").then(
+                Commands.literal("schematic")
                         .executes(this::onRequestSchematic)
         ));
     }
 
-    private int onRequestSchematic(CommandContext<ServerCommandSource> context) {
+    private int onRequestSchematic(CommandContext<CommandSourceStack> context) {
         var source = context.getSource();
-        if (source.isExecutedByPlayer() && !SFConsts.COMMAND_UPLOAD_SCHEMATIC.hasPermission(source.getPlayer())) {
-            source.sendMessage(Text.literal("你没有使用上传功能的权限！请联系管理员申请"));
+        if (source.isPlayer() && !SFConsts.COMMAND_UPLOAD_SCHEMATIC.hasPermission(source.getPlayer())) {
+            source.sendSystemMessage(Component.literal("你没有使用上传功能的权限！请联系管理员申请"));
             return Command.SINGLE_SUCCESS;
         }
-        var url = generateSchematicUrl(source.isExecutedByPlayer() ? source.getPlayer().getName().getLiteralString() : "CONSOLE");
-        source.sendMessage(Text.literal("Click this URL to upload schematic files.").withColor(Color.GREEN.getRGB()));
-        source.sendMessage(Text.literal(url).styled(it -> it.withClickEvent(new ClickEvent.OpenUrl(URI.create(url)))));
+        var url = generateSchematicUrl(source.isPlayer() ? source.getPlayer().getName().tryCollapseToString() : "CONSOLE");
+        source.sendSystemMessage(Component.literal("Click this URL to upload schematic files.").withColor(Color.GREEN.getRGB()));
+        source.sendSystemMessage(Component.literal(url).withStyle(it -> it.withClickEvent(new ClickEvent.OpenUrl(URI.create(url)))));
         return Command.SINGLE_SUCCESS;
     }
 
@@ -139,14 +139,14 @@ public class SchematicUploader extends WebHandler {
         if (fileName.length() <= 10) return;
         var baseFileName = Helper.cleanFileName(fileName.substring(0, fileName.length() - 10));
         var sign = context.<SignatureService.Signature>attribute("sign");
-        var player = serverSupplier.get().getPlayerManager().getPlayer(sign.issuer());
+        var player = serverSupplier.get().getPlayerList().getPlayerByName(sign.issuer());
         log.info("Handling file {} from player {}", fileName, sign.issuer());
         if (fileName.endsWith(".schematic") || fileName.endsWith(".schem")) {
             Files.write(SCHEMATIC_DIR.resolve(baseFileName + ".schematic"), file.content().readAllBytes());
             log.info("Saved " + fileName + " as a schematic.");
             sendSuccess(player, baseFileName);
         } else if (fileName.endsWith(".litematic")) {
-            try (var converter = new LitematicConverterV3(file.content(), new NbtSizeTracker(config.maxSchematicSize, 64))) {
+            try (var converter = new LitematicConverterV3(file.content(), new NbtAccounter(config.maxSchematicSize, 64))) {
                 converter.read((name, nbt) -> {
                     name = baseFileName + "-" + Helper.cleanFileName(name) + ".schematic";
                     try {
@@ -169,12 +169,12 @@ public class SchematicUploader extends WebHandler {
         context.result("Uploaded!");
     }
 
-    private static void sendSuccess(ServerPlayerEntity player, String fileName) {
+    private static void sendSuccess(ServerPlayer player, String fileName) {
         if (player == null) {
             return;
         }
-        player.sendMessage(Text.literal("Schematic " + fileName + " has been saved! Use //schem list to find it").withColor(Color.GREEN.getRGB()));
-        player.sendMessage(Text.literal("Or you can click this").styled(it -> it.withUnderline(true).withClickEvent(
+        player.sendSystemMessage(Component.literal("Schematic " + fileName + " has been saved! Use //schem list to find it").withColor(Color.GREEN.getRGB()));
+        player.sendSystemMessage(Component.literal("Or you can click this").withStyle(it -> it.withUnderlined(true).withClickEvent(
                 new ClickEvent.SuggestCommand("//schem load " + fileName)
         )));
     }

src/main/java/io/ib67/sfcraft/registry/RandomEventRegistry.java

@@ -2,15 +2,14 @@ package io.ib67.sfcraft.registry;
 
 import io.ib67.sfcraft.module.randomevt.ActiveEvent;
 import io.ib67.sfcraft.module.randomevt.RandomEvent;
-import net.minecraft.registry.RegistryKey;
-import net.minecraft.world.World;
-
 import java.util.List;
 import java.util.function.Function;
 import java.util.function.Predicate;
+import net.minecraft.resources.ResourceKey;
+import net.minecraft.world.level.Level;
 
 public interface RandomEventRegistry {
     List<ActiveEvent> getActiveEvents();
 
-    void registerEvent(Function<World, RandomEvent> event, RegistryKey<World> world, Predicate<World> worldTickPredicate);
+    void registerEvent(Function<Level, RandomEvent> event, ResourceKey<Level> world, Predicate<Level> worldTickPredicate);
 }

src/main/java/io/ib67/sfcraft/registry/RoomRegistry.java

@@ -3,24 +3,23 @@ package io.ib67.sfcraft.registry;
 import io.ib67.sfcraft.subserver.Room;
 import io.ib67.sfcraft.subserver.RoomFactory;
 import io.ib67.sfcraft.subserver.RoomSession;
-import net.minecraft.registry.RegistryKey;
-import net.minecraft.server.network.ServerPlayerEntity;
-import net.minecraft.util.Identifier;
-import net.minecraft.world.World;
-
 import java.util.Collection;
 import java.util.UUID;
+import net.minecraft.resources.ResourceKey;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.world.level.Level;
 
 public interface RoomRegistry {
     Collection<? extends Room> getRooms();
 
-    Room getRoomBy(Identifier identifier);
+    Room getRoomBy(ResourceLocation identifier);
 
     RoomSession getRoomBy(UUID player);
 
-    <T extends Room> T createRoomOf(Class<T> type, Identifier roomId, ServerPlayerEntity issuer, String... arguments);
+    <T extends Room> T createRoomOf(Class<T> type, ResourceLocation roomId, ServerPlayer issuer, String... arguments);
 
-    boolean isRoomWorld(RegistryKey<World> world);
+    boolean isRoomWorld(ResourceKey<Level> world);
 
-    <T extends Room> void registerRoomType(Class<T> type, RegistryKey<World> worldKey, RoomFactory<T> factory);
+    <T extends Room> void registerRoomType(Class<T> type, ResourceKey<Level> worldKey, RoomFactory<T> factory);
 }

src/main/java/io/ib67/sfcraft/registry/chat/SimpleMessageDecorator.java

@@ -1,31 +1,31 @@
 package io.ib67.sfcraft.registry.chat;
 
-import net.minecraft.network.message.MessageDecorator;
-import net.minecraft.server.network.ServerPlayerEntity;
-import net.minecraft.text.Text;
 import org.jetbrains.annotations.Nullable;
 
 import java.util.ArrayList;
 import java.util.List;
+import net.minecraft.network.chat.ChatDecorator;
+import net.minecraft.network.chat.Component;
+import net.minecraft.server.level.ServerPlayer;
 
-public class SimpleMessageDecorator implements MessageDecorator {
-    protected final List<MessageDecorator> decorators = new ArrayList<>();
+public class SimpleMessageDecorator implements ChatDecorator {
+    protected final List<ChatDecorator> decorators = new ArrayList<>();
 
     protected SimpleMessageDecorator() {
 
     }
 
-    public void registerDecorator(MessageDecorator decorator) {
+    public void registerDecorator(ChatDecorator decorator) {
         decorators.add(decorator);
     }
 
     @Override
-    public Text decorate(@Nullable ServerPlayerEntity sender, Text message) {
-        var targets = new ArrayList<Text>();
+    public Component decorate(@Nullable ServerPlayer sender, Component message) {
+        var targets = new ArrayList<Component>();
         targets.add(message);
-        for (MessageDecorator decorator : decorators) {
-            var newRd = new ArrayList<Text>();
-            for (Text target : targets) {
+        for (ChatDecorator decorator : decorators) {
+            var newRd = new ArrayList<Component>();
+            for (Component target : targets) {
                 var r = decorator.decorate(sender, target);
                 var copy = r.copy();
                 copy.getSiblings().clear();
@@ -34,7 +34,7 @@ public class SimpleMessageDecorator implements MessageDecorator {
             }
             targets = newRd;
         }
-        var result = Text.empty();
+        var result = Component.empty();
         targets.forEach(result::append);
         return result;
     }

src/main/java/io/ib67/sfcraft/registry/event/SimpleRandomEventRegistry.java

@@ -7,11 +7,10 @@ import lombok.Getter;
 import lombok.RequiredArgsConstructor;
 import net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents;
 import net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents;
-import net.minecraft.registry.RegistryKey;
+import net.minecraft.resources.ResourceKey;
 import net.minecraft.server.MinecraftServer;
-import net.minecraft.server.world.ServerWorld;
-import net.minecraft.world.World;
-
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.world.level.Level;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.function.Function;
@@ -35,15 +34,15 @@ public class SimpleRandomEventRegistry implements RandomEventRegistry {
         activeEvents.clear();
     }
 
-    private void afterWorldTick(ServerWorld serverWorld) {
+    private void afterWorldTick(ServerLevel serverWorld) {
         if (shutdown) return;
         triggerEvents(serverWorld);
         clearActiveEvents();
     }
 
-    private void triggerEvents(ServerWorld serverWorld) {
+    private void triggerEvents(ServerLevel serverWorld) {
         for (RegisteredEntry entry : entries) {
-            if (entry.world == serverWorld.getRegistryKey()
+            if (entry.world == serverWorld.dimension()
                     && !entry.started && entry.worldTickPredicate.test(serverWorld)) {
                 var event = entry.event.apply(serverWorld);
                 var ticks = event.start();
@@ -74,7 +73,7 @@ public class SimpleRandomEventRegistry implements RandomEventRegistry {
     }
 
     @Override
-    public void registerEvent(Function<World, RandomEvent> event, RegistryKey<World> world, Predicate<World> worldTickPredicate) {
+    public void registerEvent(Function<Level, RandomEvent> event, ResourceKey<Level> world, Predicate<Level> worldTickPredicate) {
         entries.add(new RegisteredEntry(world, event, worldTickPredicate));
     }
 
@@ -94,9 +93,9 @@ public class SimpleRandomEventRegistry implements RandomEventRegistry {
 
     @RequiredArgsConstructor
     private static final class RegisteredEntry {
-        private final RegistryKey<World> world;
-        private final Function<World, RandomEvent> event;
-        private final Predicate<World> worldTickPredicate;
+        private final ResourceKey<Level> world;
+        private final Function<Level, RandomEvent> event;
+        private final Predicate<Level> worldTickPredicate;
         private boolean started;
     }
 }

src/main/java/io/ib67/sfcraft/registry/room/SimpleRoomRegistry.java

@@ -4,21 +4,20 @@ import io.ib67.sfcraft.registry.RoomRegistry;
 import io.ib67.sfcraft.subserver.Room;
 import io.ib67.sfcraft.subserver.RoomFactory;
 import io.ib67.sfcraft.subserver.RoomSession;
-import net.minecraft.registry.RegistryKey;
-import net.minecraft.server.network.ServerPlayerEntity;
-import net.minecraft.util.Identifier;
-import net.minecraft.world.World;
-
 import java.util.*;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentMap;
 import java.util.concurrent.locks.ReentrantReadWriteLock;
+import net.minecraft.resources.ResourceKey;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.world.level.Level;
 
 public class SimpleRoomRegistry implements RoomRegistry {
-    private final ConcurrentMap<Identifier, Room> rooms = new ConcurrentHashMap<>();
+    private final ConcurrentMap<ResourceLocation, Room> rooms = new ConcurrentHashMap<>();
     private final ReentrantReadWriteLock lock = new ReentrantReadWriteLock();
     private final Map<Class<?>, RoomFactory<?>> factories = new HashMap<>();
-    private final Set<RegistryKey<World>> roomWorlds = new HashSet<>();
+    private final Set<ResourceKey<Level>> roomWorlds = new HashSet<>();
 
     @Override
     public Collection<? extends Room> getRooms() {
@@ -26,7 +25,7 @@ public class SimpleRoomRegistry implements RoomRegistry {
     }
 
     @Override
-    public Room getRoomBy(Identifier identifier) {
+    public Room getRoomBy(ResourceLocation identifier) {
         return rooms.get(identifier);
     }
 
@@ -44,7 +43,7 @@ public class SimpleRoomRegistry implements RoomRegistry {
     }
 
     @Override
-    public <T extends Room> T createRoomOf(Class<T> type, Identifier roomId, ServerPlayerEntity issuer, String... arguments) {
+    public <T extends Room> T createRoomOf(Class<T> type, ResourceLocation roomId, ServerPlayer issuer, String... arguments) {
         if (getRoomBy(roomId) != null) {
             throw new IllegalArgumentException("duplicate room id: " + roomId);
         }
@@ -59,12 +58,12 @@ public class SimpleRoomRegistry implements RoomRegistry {
     }
 
     @Override
-    public boolean isRoomWorld(RegistryKey<World> world) {
+    public boolean isRoomWorld(ResourceKey<Level> world) {
         return roomWorlds.contains(world);
     }
 
     @Override
-    public <T extends Room> void registerRoomType(Class<T> type, RegistryKey<World> worldKey, RoomFactory<T> factory) {
+    public <T extends Room> void registerRoomType(Class<T> type, ResourceKey<Level> worldKey, RoomFactory<T> factory) {
         roomWorlds.add(worldKey);
         factories.put(type, factory);
     }

src/main/java/io/ib67/sfcraft/room/RequestedRoom.java

@@ -2,23 +2,21 @@ package io.ib67.sfcraft.room;
 
 import com.mojang.serialization.Codec;
 import io.netty.buffer.ByteBuf;
-import net.minecraft.network.codec.PacketCodec;
-import net.minecraft.network.codec.PacketCodecs;
-import net.minecraft.util.Identifier;
-import net.minecraft.util.Uuids;
-import net.minecraft.util.dynamic.Codecs;
-
 import java.util.UUID;
+import net.minecraft.core.UUIDUtil;
+import net.minecraft.network.codec.ByteBufCodecs;
+import net.minecraft.network.codec.StreamCodec;
+import net.minecraft.resources.ResourceLocation;
 
 public record RequestedRoom(
-        Identifier identifier,
+        ResourceLocation identifier,
         String profileName,
         UUID profileUuid
 ) {
-    public static final PacketCodec<ByteBuf, RequestedRoom> PACKET_CODEC = PacketCodec.tuple(
-            Identifier.PACKET_CODEC, RequestedRoom::identifier,
-            PacketCodecs.STRING, RequestedRoom::profileName,
-            Uuids.PACKET_CODEC, RequestedRoom::profileUuid,
+    public static final StreamCodec<ByteBuf, RequestedRoom> PACKET_CODEC = StreamCodec.composite(
+            ResourceLocation.STREAM_CODEC, RequestedRoom::identifier,
+            ByteBufCodecs.STRING_UTF8, RequestedRoom::profileName,
+            UUIDUtil.STREAM_CODEC, RequestedRoom::profileUuid,
             RequestedRoom::new
     );
 }

src/main/java/io/ib67/sfcraft/room/RoomTeleporter.java

@@ -9,13 +9,13 @@ import io.ib67.sfcraft.module.SignatureService;
 import io.ib67.sfcraft.registry.RoomRegistry;
 import io.ib67.sfcraft.subserver.Room;
 import io.netty.buffer.Unpooled;
-import net.minecraft.network.PacketCallbacks;
-import net.minecraft.network.packet.s2c.common.ServerTransferS2CPacket;
-import net.minecraft.network.packet.s2c.common.StoreCookieS2CPacket;
-import net.minecraft.server.network.ServerPlayerEntity;
-import net.minecraft.text.Text;
-import net.minecraft.util.Colors;
-import net.minecraft.util.Identifier;
+import net.minecraft.network.PacketSendListener;
+import net.minecraft.network.chat.Component;
+import net.minecraft.network.protocol.common.ClientboundStoreCookiePacket;
+import net.minecraft.network.protocol.common.ClientboundTransferPacket;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.util.CommonColors;
 
 public class RoomTeleporter {
     @Inject
@@ -29,21 +29,21 @@ public class RoomTeleporter {
     @Inject
     private SFConfig config;
 
-    public static final Identifier ROOM_COOKIE = Identifier.of(SFCraft.MOD_ID, "room");
+    public static final ResourceLocation ROOM_COOKIE = ResourceLocation.fromNamespaceAndPath(SFCraft.MOD_ID, "room");
 
-    public void teleportTo(Room room, ServerPlayerEntity player) {
-        if (roomModule.isVirtual(player.getUuid())) {
-            player.sendMessage(Text.literal("您已经在某个房间里了").withColor(Colors.LIGHT_RED));
+    public void teleportTo(Room room, ServerPlayer player) {
+        if (roomModule.isVirtual(player.getUUID())) {
+            player.sendSystemMessage(Component.literal("您已经在某个房间里了").withColor(CommonColors.SOFT_RED));
             return;
         }
-        var finalUuid = roomModule.generateIdForRoom(player.getGameProfile(), player.getName().getLiteralString(), room.getServerIdentifier());
+        var finalUuid = roomModule.generateIdForRoom(player.getGameProfile(), player.getName().tryCollapseToString(), room.getServerIdentifier());
         var sess = room.getPlayerManager().createSessionFor(finalUuid);
-        var name = player.getName().getLiteralString();
-        if (player.getServer().getWorld(sess.getSpawnPosition().dimension()) == null) {
+        var name = player.getName().tryCollapseToString();
+        if (player.getServer().getLevel(sess.getSpawnPosition().dimension()) == null) {
             throw new IllegalStateException("world isn't exist");
         }
-        var networkHandler = player.networkHandler;
-        networkHandler.reconfigure();
+        var networkHandler = player.connection;
+        networkHandler.switchToConfig();
         var request = new RequestedRoom(room.getServerIdentifier(), name, finalUuid);
         var requestBuf = Unpooled.buffer();
         RequestedRoom.PACKET_CODEC.encode(requestBuf, request);
@@ -56,8 +56,8 @@ public class RoomTeleporter {
                         requestBuf.array()
                 )
         );
-        networkHandler.send(new StoreCookieS2CPacket(ROOM_COOKIE, cookie), PacketCallbacks.always(() -> {
-            networkHandler.sendPacket(new ServerTransferS2CPacket(config.domain, config.port));
+        networkHandler.send(new ClientboundStoreCookiePacket(ROOM_COOKIE, cookie), PacketSendListener.thenRun(() -> {
+            networkHandler.send(new ClientboundTransferPacket(config.domain, config.port));
         }));
     }
 }

src/main/java/io/ib67/sfcraft/room/SimpleRoomPlayerManager.java

@@ -6,9 +6,8 @@ import io.ib67.sfcraft.subserver.RoomSession;
 import lombok.AllArgsConstructor;
 import lombok.Data;
 import lombok.Getter;
-import net.minecraft.server.network.ServerPlayerEntity;
-import net.minecraft.util.math.GlobalPos;
-
+import net.minecraft.core.GlobalPos;
+import net.minecraft.server.level.ServerPlayer;
 import java.util.*;
 
 public abstract class SimpleRoomPlayerManager implements RoomPlayerManager {
@@ -20,7 +19,7 @@ public abstract class SimpleRoomPlayerManager implements RoomPlayerManager {
     }
 
     @Override
-    public List<ServerPlayerEntity> getJoinedPlayers() {
+    public List<ServerPlayer> getJoinedPlayers() {
         return onlinePlayers.values().stream().map(it -> it.player).toList();
     }
 
@@ -49,7 +48,7 @@ public abstract class SimpleRoomPlayerManager implements RoomPlayerManager {
     }
 
     @Override
-    public ServerPlayerEntity getPlayer(UUID uuid) {
+    public ServerPlayer getPlayer(UUID uuid) {
         return onlinePlayers.get(uuid).getPlayer();
     }
 
@@ -72,14 +71,14 @@ public abstract class SimpleRoomPlayerManager implements RoomPlayerManager {
         }
 
         @Override
-        public void onPlayerJoin(ServerPlayerEntity player) {
-            onlinePlayers.get(player.getUuid()).setPlayer(player);
+        public void onPlayerJoin(ServerPlayer player) {
+            onlinePlayers.get(player.getUUID()).setPlayer(player);
             session.onPlayerJoin(player);
         }
 
         @Override
-        public void onPlayerQuit(ServerPlayerEntity player) {
-            onlinePlayers.remove(player.getUuid());
+        public void onPlayerQuit(ServerPlayer player) {
+            onlinePlayers.remove(player.getUUID());
             session.onPlayerQuit(player);
         }
     }
@@ -87,7 +86,7 @@ public abstract class SimpleRoomPlayerManager implements RoomPlayerManager {
     @Data
     @AllArgsConstructor
     class PlayerEntry {
-        private ServerPlayerEntity player;
+        private ServerPlayer player;
         private RoomSession session;
     }
 }

src/main/java/io/ib67/sfcraft/room/create/CreativePlayerSession.java

@@ -3,14 +3,9 @@ package io.ib67.sfcraft.room.create;
 import io.ib67.sfcraft.module.room.CreativeRoomModule;
 import io.ib67.sfcraft.subserver.Room;
 import io.ib67.sfcraft.subserver.RoomSession;
-import net.minecraft.server.network.ServerPlayerEntity;
-import net.minecraft.text.Text;
-import net.minecraft.util.Colors;
-import net.minecraft.util.math.BlockPos;
-import net.minecraft.util.math.GlobalPos;
-import net.minecraft.world.GameMode;
-
 import java.util.UUID;
+import net.minecraft.core.GlobalPos;
+import net.minecraft.server.level.ServerPlayer;
 
 public class CreativePlayerSession extends RoomSession {
     private final GlobalPos spawn;
@@ -26,7 +21,7 @@ public class CreativePlayerSession extends RoomSession {
     }
 
     @Override
-    public void onPlayerJoin(ServerPlayerEntity player) {
+    public void onPlayerJoin(ServerPlayer player) {
         module.onPlayerJoin(player);
     }
 
@@ -41,7 +36,7 @@ public class CreativePlayerSession extends RoomSession {
     }
 
     @Override
-    public void onPlayerQuit(ServerPlayerEntity player) {
+    public void onPlayerQuit(ServerPlayer player) {
         module.onPlayerQuit(player);
     }
 }

src/main/java/io/ib67/sfcraft/room/create/CreativeSpaceFactory.java

@@ -2,14 +2,14 @@ package io.ib67.sfcraft.room.create;
 
 import io.ib67.sfcraft.subserver.RoomFactory;
 import lombok.RequiredArgsConstructor;
-import net.minecraft.server.network.ServerPlayerEntity;
+import net.minecraft.server.level.ServerPlayer;
 
 @RequiredArgsConstructor
 public class CreativeSpaceFactory implements RoomFactory<CreativeSpaceRoom> {
     private final CreativeSpaceRoom room;
 
     @Override
-    public CreativeSpaceRoom create(ServerPlayerEntity issuer, String[] arguments) {
+    public CreativeSpaceRoom create(ServerPlayer issuer, String[] arguments) {
         return room;
     }
 }

src/main/java/io/ib67/sfcraft/room/create/CreativeSpaceRoom.java

@@ -5,17 +5,17 @@ import io.ib67.sfcraft.module.room.CreativeRoomModule;
 import io.ib67.sfcraft.subserver.Room;
 import io.ib67.sfcraft.subserver.RoomPlayerManager;
 import lombok.Getter;
-import net.minecraft.registry.RegistryKey;
-import net.minecraft.registry.RegistryKeys;
-import net.minecraft.server.network.ServerPlayerEntity;
-import net.minecraft.text.Text;
-import net.minecraft.util.Identifier;
-import net.minecraft.util.math.BlockPos;
-import net.minecraft.world.World;
+import net.minecraft.core.BlockPos;
+import net.minecraft.core.registries.Registries;
+import net.minecraft.network.chat.Component;
+import net.minecraft.resources.ResourceKey;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.world.level.Level;
 
 public class CreativeSpaceRoom implements Room {
-    public static final RegistryKey<World> WORLD = RegistryKey.of(RegistryKeys.WORLD, Identifier.of(SFCraft.MOD_ID, "playground"));
-    public static final Identifier IDENTIFIER = Identifier.of(SFCraft.MOD_ID, "creative_space");
+    public static final ResourceKey<Level> WORLD = ResourceKey.create(Registries.DIMENSION, ResourceLocation.fromNamespaceAndPath(SFCraft.MOD_ID, "playground"));
+    public static final ResourceLocation IDENTIFIER = ResourceLocation.fromNamespaceAndPath(SFCraft.MOD_ID, "creative_space");
     public static final BlockPos SPAWN_POS = new BlockPos(0, 66, 0);
     @Getter
     private final RoomPlayerManager playerManager;
@@ -26,13 +26,13 @@ public class CreativeSpaceRoom implements Room {
 
     @Override
     public void shutdown() {
-        for (ServerPlayerEntity joinedPlayer : playerManager.getJoinedPlayers()) {
-            joinedPlayer.networkHandler.disconnect(Text.of("Room is shutting down"));
+        for (ServerPlayer joinedPlayer : playerManager.getJoinedPlayers()) {
+            joinedPlayer.connection.disconnect(Component.nullToEmpty("Room is shutting down"));
         }
     }
 
     @Override
-    public Identifier getServerIdentifier() {
+    public ResourceLocation getServerIdentifier() {
         return IDENTIFIER;
     }
 }

src/main/java/io/ib67/sfcraft/subserver/Room.java

@@ -1,15 +1,12 @@
 package io.ib67.sfcraft.subserver;
 
-import net.minecraft.network.packet.s2c.common.StoreCookieS2CPacket;
-import net.minecraft.server.network.ServerPlayerEntity;
-import net.minecraft.util.Identifier;
-import net.minecraft.util.math.GlobalPos;
 import org.jetbrains.annotations.Nullable;
 
 import java.util.UUID;
+import net.minecraft.resources.ResourceLocation;
 
 public interface Room {
-    Identifier getServerIdentifier();
+    ResourceLocation getServerIdentifier();
 
     RoomPlayerManager getPlayerManager();
 

src/main/java/io/ib67/sfcraft/subserver/RoomFactory.java

@@ -1,8 +1,8 @@
 package io.ib67.sfcraft.subserver;
 
-import net.minecraft.server.network.ServerPlayerEntity;
+import net.minecraft.server.level.ServerPlayer;
 
 @FunctionalInterface
 public interface RoomFactory<T extends Room> {
-    T create(ServerPlayerEntity issuer, String[] arguments);
+    T create(ServerPlayer issuer, String[] arguments);
 }

src/main/java/io/ib67/sfcraft/subserver/RoomPlayerManager.java

@@ -1,12 +1,11 @@
 package io.ib67.sfcraft.subserver;
 
-import net.minecraft.server.network.ServerPlayerEntity;
-
 import java.util.List;
 import java.util.UUID;
+import net.minecraft.server.level.ServerPlayer;
 
 public interface RoomPlayerManager {
-    List<ServerPlayerEntity> getJoinedPlayers();
+    List<ServerPlayer> getJoinedPlayers();
 
     List<RoomSession> getSessions();
 
@@ -14,5 +13,5 @@ public interface RoomPlayerManager {
 
     RoomSession getSessionBy(UUID uuid);
 
-    ServerPlayerEntity getPlayer(UUID uuid);
+    ServerPlayer getPlayer(UUID uuid);
 }

src/main/java/io/ib67/sfcraft/subserver/RoomSession.java

@@ -1,9 +1,8 @@
 package io.ib67.sfcraft.subserver;
 
 import lombok.Getter;
-import net.minecraft.server.network.ServerPlayerEntity;
-import net.minecraft.util.math.GlobalPos;
-
+import net.minecraft.core.GlobalPos;
+import net.minecraft.server.level.ServerPlayer;
 import java.util.UUID;
 
 public abstract class RoomSession {
@@ -18,7 +17,7 @@ public abstract class RoomSession {
 
     public abstract void onPlayerLogin(UUID uuid);
 
-    public abstract void onPlayerJoin(ServerPlayerEntity player);
+    public abstract void onPlayerJoin(ServerPlayer player);
 
-    public abstract void onPlayerQuit(ServerPlayerEntity player);
+    public abstract void onPlayerQuit(ServerPlayer player);
 }

src/main/java/io/ib67/sfcraft/util/Helper.java

@@ -8,24 +8,17 @@ import io.ib67.sfcraft.SFCraft;
 import io.ib67.sfcraft.config.SFConfig;
 import io.ib67.sfcraft.geoip.GeoIPService;
 import lombok.SneakyThrows;
-import net.minecraft.block.Block;
-import net.minecraft.block.CropBlock;
-import net.minecraft.block.Fertilizable;
-import net.minecraft.block.SaplingBlock;
-import net.minecraft.entity.player.PlayerEntity;
-import net.minecraft.fluid.EmptyFluid;
-import net.minecraft.fluid.LavaFluid;
-import net.minecraft.fluid.WaterFluid;
-import net.minecraft.server.network.ServerPlayerEntity;
-import net.minecraft.server.world.ServerWorld;
-import net.minecraft.text.Text;
-import net.minecraft.util.Colors;
-import net.minecraft.util.Identifier;
-import net.minecraft.util.math.BlockPos;
-import net.minecraft.util.math.Direction;
-import net.minecraft.world.GameMode;
-import net.minecraft.world.World;
-
+import net.minecraft.core.BlockPos;
+import net.minecraft.core.Direction;
+import net.minecraft.network.chat.Component;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.world.level.GameType;
+import net.minecraft.world.level.block.Block;
+import net.minecraft.world.level.block.CropBlock;
+import net.minecraft.world.level.block.SaplingBlock;
+import net.minecraft.world.level.material.EmptyFluid;
+import net.minecraft.world.level.material.WaterFluid;
 import java.net.InetAddress;
 import java.net.InetSocketAddress;
 import java.nio.charset.StandardCharsets;
@@ -41,13 +34,13 @@ public class Helper {
     private static final Pattern NON_ASCII = Pattern.compile("[^a-zA-Z0-9_+()]");
     public static final char COLOR = '§';
 
-    public static boolean canBack(ServerPlayerEntity player) {
+    public static boolean canBack(ServerPlayer player) {
         if (!SFConsts.COMMAND_BACK.hasPermission(player)) return false;
-        var pos = player.getLastDeathPos().get();
-        var wld = player.getServer().getWorld(pos.dimension());
+        var pos = player.getLastDeathLocation().get();
+        var wld = player.getServer().getLevel(pos.dimension());
         var _pos = pos.pos();
         if (wld == null) return false;
-        var nearby = wld.getClosestPlayer(_pos.getX(), _pos.getY(), _pos.getZ(), 100, true);
+        var nearby = wld.getNearestPlayer(_pos.getX(), _pos.getY(), _pos.getZ(), 100, true);
         return nearby != null;
     }
 
@@ -60,37 +53,37 @@ public class Helper {
         return NON_ASCII.matcher(name).replaceAll("");
     }
 
-    public static boolean teleportSafely(ServerPlayerEntity player, ServerWorld world, int x, int y, int z, float yaw, float pitch) {
-        if (player.getGameMode() == GameMode.CREATIVE) return true;
+    public static boolean teleportSafely(ServerPlayer player, ServerLevel world, int x, int y, int z, float yaw, float pitch) {
+        if (player.gameMode() == GameType.CREATIVE) return true;
         var pos = new BlockPos(x, y, z);
         var stand = world.getBlockState(pos);
-        if (!stand.isAir() && !stand.isSolidBlock(world, pos)) {
+        if (!stand.isAir() && !stand.isRedstoneConductor(world, pos)) {
             // check block type
-            var fluid = stand.getFluidState().getFluid();
+            var fluid = stand.getFluidState().getType();
             if (!(fluid instanceof EmptyFluid) && !(fluid instanceof WaterFluid)) {
-                player.sendMessage(Text.literal("§c传送目的地具有非水流体, 因此拒绝传送。"));
+                player.sendSystemMessage(Component.literal("§c传送目的地具有非水流体, 因此拒绝传送。"));
                 return false;
             }
         }
         var groundPos = new BlockPos(x, y - 1, z);
         var ground = world.getBlockState(groundPos);
-        if (!ground.hasSolidTopSurface(world, groundPos, player)
-                && !stand.isSolidSurface(world, pos, player, Direction.DOWN)) {
-            player.sendMessage(Text.literal("§c传送目的地没有可靠落地点，且为非空气方块, 因此拒绝传送。"));
+        if (!ground.entityCanStandOn(world, groundPos, player)
+                && !stand.entityCanStandOnFace(world, pos, player, Direction.DOWN)) {
+            player.sendSystemMessage(Component.literal("§c传送目的地没有可靠落地点，且为非空气方块, 因此拒绝传送。"));
             return false;
         } else {
             var deltaY = 0.0;
             var deltaX = 0.5;
             var deltaZ = 0.5;
             if (!stand.isAir()) {
-                deltaY = stand.getCollisionShape(world, pos).getMax(Direction.Axis.Y);
+                deltaY = stand.getCollisionShape(world, pos).max(Direction.Axis.Y);
                 deltaY = Double.isFinite(deltaY) ? deltaY + 0.1 : 0;
-                deltaX = stand.getCollisionShape(world, pos).getMax(Direction.Axis.X);
+                deltaX = stand.getCollisionShape(world, pos).max(Direction.Axis.X);
                 deltaX = Double.isFinite(deltaX) ? deltaX / 2 : 0.5;
-                deltaZ = stand.getCollisionShape(world, pos).getMax(Direction.Axis.X);
+                deltaZ = stand.getCollisionShape(world, pos).max(Direction.Axis.X);
                 deltaZ = Double.isFinite(deltaZ) ? deltaZ / 2 : 0.5;
             }
-            player.teleport(world, x + deltaX, y + deltaY, z + deltaZ, Set.of(), yaw, pitch, true);
+            player.teleportTo(world, x + deltaX, y + deltaY, z + deltaZ, Set.of(), yaw, pitch, true);
         }
         return true;
     }

src/main/java/io/ib67/sfcraft/util/Permission.java

@@ -1,9 +1,8 @@
 package io.ib67.sfcraft.util;
 
 import me.lucko.fabric.api.permissions.v0.Permissions;
-import net.minecraft.entity.Entity;
-import net.minecraft.entity.player.PlayerEntity;
-
+import net.minecraft.world.entity.Entity;
+import net.minecraft.world.entity.player.Player;
 import java.util.Objects;
 
 public record Permission<T extends Entity>(String key, boolean byDefault) {
@@ -24,8 +23,8 @@ public record Permission<T extends Entity>(String key, boolean byDefault) {
     }
 
     private boolean check(T t, String permission){
-        if(t instanceof PlayerEntity player) {
-            if (player.getCommandTags().contains(permission)){
+        if(t instanceof Player player) {
+            if (player.getTags().contains(permission)){
                 return true;
             }
         }

src/main/java/io/ib67/sfcraft/util/SFConsts.java

@@ -4,30 +4,29 @@ import io.ib67.sfcraft.SFCraft;
 import io.ib67.sfcraft.util.Permission;
 import lombok.experimental.UtilityClass;
 import net.fabricmc.loader.api.FabricLoader;
-import net.minecraft.entity.player.PlayerEntity;
-import net.minecraft.server.network.ServerPlayerEntity;
+import net.minecraft.world.entity.player.Player;
 
 @UtilityClass
 public class SFConsts {
     public static final String VERSION = FabricLoader.getInstance().getModContainer(SFCraft.MOD_ID).get().getMetadata().getVersion().getFriendlyString();
     public static final String SPECIAL_SUDO = "sfcraft.special.state.sudo";
-    public static final Permission<PlayerEntity> USE_AT = ofSFCPermission("chat.at", true);
-    public static final Permission<PlayerEntity> USE_BROADCAST_LOCATION = ofSFCPermission("chat.xyz", true);
-    public static final Permission<PlayerEntity> COMMAND_BACK = ofSFCPermission("command.back", true);
-    public static final Permission<PlayerEntity> UNLIMITED_COMMAND_BACK = ofSFCPermission("command.back.unlimited", false);
-    public static final Permission<PlayerEntity> WORLDEDIT_AT_PLAYGROUND = ofSFCPermission("worldedit", true);
+    public static final Permission<Player> USE_AT = ofSFCPermission("chat.at", true);
+    public static final Permission<Player> USE_BROADCAST_LOCATION = ofSFCPermission("chat.xyz", true);
+    public static final Permission<Player> COMMAND_BACK = ofSFCPermission("command.back", true);
+    public static final Permission<Player> UNLIMITED_COMMAND_BACK = ofSFCPermission("command.back.unlimited", false);
+    public static final Permission<Player> WORLDEDIT_AT_PLAYGROUND = ofSFCPermission("worldedit", true);
 
-    public static final Permission<PlayerEntity> COMMAND_ADDWL = ofSFCPermission("command.addwl", false);
-    public static final Permission<PlayerEntity> COMMAND_UPLOAD_SCHEMATIC = ofSFCPermission("command.upload.schematic", false);
-    public static final Permission<PlayerEntity> COMMAND_LISTOFFLINE = ofSFCPermission("command.listoffline", false);
-    public static final Permission<PlayerEntity> COMMAND_LISTPERM = ofSFCPermission("command.listperm", false);
-    public static final Permission<PlayerEntity> COMMAND_LISTGEO = ofSFCPermission("command.listgeo", false);
-    public static final Permission<PlayerEntity> COMMAND_PLAYGROUND = ofSFCPermission("command.playground", true);
-    public static final Permission<PlayerEntity> COMMAND_PLAYGROUND_GAMEMODE = ofSFCPermission("command.playground.gamemode", true);
-    public static final Permission<PlayerEntity> COMMAND_PLAYGROUND_TELEPORT = ofSFCPermission("command.playground.teleport", true);
-    public static final Permission<PlayerEntity> COMMAND_RECO = ofSFCPermission("command.reco", true);
+    public static final Permission<Player> COMMAND_ADDWL = ofSFCPermission("command.addwl", false);
+    public static final Permission<Player> COMMAND_UPLOAD_SCHEMATIC = ofSFCPermission("command.upload.schematic", false);
+    public static final Permission<Player> COMMAND_LISTOFFLINE = ofSFCPermission("command.listoffline", false);
+    public static final Permission<Player> COMMAND_LISTPERM = ofSFCPermission("command.listperm", false);
+    public static final Permission<Player> COMMAND_LISTGEO = ofSFCPermission("command.listgeo", false);
+    public static final Permission<Player> COMMAND_PLAYGROUND = ofSFCPermission("command.playground", true);
+    public static final Permission<Player> COMMAND_PLAYGROUND_GAMEMODE = ofSFCPermission("command.playground.gamemode", true);
+    public static final Permission<Player> COMMAND_PLAYGROUND_TELEPORT = ofSFCPermission("command.playground.teleport", true);
+    public static final Permission<Player> COMMAND_RECO = ofSFCPermission("command.reco", true);
 
-    public static Permission<PlayerEntity> ofSFCPermission(String key, boolean byDefault) {
+    public static Permission<Player> ofSFCPermission(String key, boolean byDefault) {
         return new Permission<>("sfcraft." + key, byDefault);
     }
 }

src/main/java/io/ib67/sfcraft/util/TypedNbtList.java

@@ -1,15 +1,14 @@
 package io.ib67.sfcraft.util;
 
-import net.minecraft.nbt.NbtElement;
-import net.minecraft.nbt.NbtList;
-
 import java.io.DataOutput;
 import java.io.IOException;
 import java.util.List;
+import net.minecraft.nbt.ListTag;
+import net.minecraft.nbt.Tag;
 
-public class TypedNbtList extends NbtList {
+public class TypedNbtList extends ListTag {
     private final byte heldType;
-    public TypedNbtList(List<NbtElement> list, byte type) {
+    public TypedNbtList(List<Tag> list, byte type) {
         super(list);
         this.heldType = type;
     }
@@ -19,7 +18,7 @@ public class TypedNbtList extends NbtList {
         output.writeByte(heldType);
         output.writeInt(this.size());
 
-        for (NbtElement nbtElement : this) {
+        for (Tag nbtElement : this) {
             nbtElement.write(output);
         }
     }

src/main/java/io/ib67/sfcraft/util/litematic/LitematicConverter.java

@@ -5,7 +5,7 @@ import io.netty.buffer.ByteBuf;
 import io.netty.buffer.Unpooled;
 import lombok.SneakyThrows;
 import net.minecraft.nbt.*;
-import net.minecraft.network.PacketByteBuf;
+import net.minecraft.network.FriendlyByteBuf;
 import org.apache.commons.compress.utils.Lists;
 
 import java.io.InputStream;
@@ -16,20 +16,20 @@ import java.util.stream.Collectors;
 
 /**
  * A cleaned up version of https://github.com/GoldenDelicios/Lite2Edit
- * Uses {@link NbtCompound} from Minecraft.
+ * Uses {@link CompoundTag} from Minecraft.
  */
 public class LitematicConverter implements AutoCloseable {
     protected final InputStream input;
-    protected final NbtSizeTracker sizeTracker;
+    protected final NbtAccounter sizeTracker;
 
-    public LitematicConverter(InputStream input, NbtSizeTracker sizeTracker) {
+    public LitematicConverter(InputStream input, NbtAccounter sizeTracker) {
         this.input = input;
         this.sizeTracker = sizeTracker;
     }
 
     @SneakyThrows
     public void read(
-            BiConsumer<String, NbtCompound> schematicOutput
+            BiConsumer<String, CompoundTag> schematicOutput
     ) {
         var root = NbtIo.readCompressed(input, sizeTracker);
         var dataVersion = root.getInt("MinecraftDataVersion")
@@ -37,7 +37,7 @@ public class LitematicConverter implements AutoCloseable {
         var regionsNbt = root.getCompound("Regions")
                 .orElseThrow(() -> new IllegalStateException("Regions not found"));
         var i = 0;
-        for (String regionName : regionsNbt.getKeys()) {
+        for (String regionName : regionsNbt.keySet()) {
             var compound = regionsNbt.getCompound(regionName)
                     .orElseThrow(() -> new IllegalStateException("Region " + regionName + " not found"));
             var j = i++;
@@ -46,8 +46,8 @@ public class LitematicConverter implements AutoCloseable {
         }
     }
 
-    protected NbtCompound convertRegionToSchematic(int dataVersion, NbtCompound region) {
-        var worldEditTag = new NbtCompound();
+    protected CompoundTag convertRegionToSchematic(int dataVersion, CompoundTag region) {
+        var worldEditTag = new CompoundTag();
 
         // prepare metadata
         var size = readSizeTuple(region);
@@ -62,20 +62,20 @@ public class LitematicConverter implements AutoCloseable {
         // block & tile entities
         var paletteNbt = region.getListOrEmpty("BlockStatePalette");
         var wePalette = convertToWEPalette(paletteNbt);
-        worldEditTag.putInt("PaletteMax", wePalette.getKeys().size());
+        worldEditTag.putInt("PaletteMax", wePalette.keySet().size());
         worldEditTag.put("Palette", wePalette);
         var tileEntities = region.getListOrEmpty("TileEntities");
         worldEditTag.put("BlockEntities", convertToWETileEntities(tileEntities));
         worldEditTag.putInt("Version", 2);
         worldEditTag.putIntArray("Offset", new int[3]);
         worldEditTag.putByteArray("BlockData", convertToWEBlocks(size, region));
-        var schematicsRoot = new NbtCompound();
+        var schematicsRoot = new CompoundTag();
         schematicsRoot.put("Schematic", worldEditTag);
         return schematicsRoot;
     }
 
-    protected SizeTuple readSizeTuple(NbtCompound region) {
-        var size = (NbtCompound) region.get("Size");
+    protected SizeTuple readSizeTuple(CompoundTag region) {
+        var size = (CompoundTag) region.get("Size");
         if (size == null) {
             throw new IllegalStateException("Size not found");
         }
@@ -88,12 +88,12 @@ public class LitematicConverter implements AutoCloseable {
         return new SizeTuple(sizeX, sizeY, sizeZ);
     }
 
-    protected NbtList convertToWETileEntities(NbtList tileEntities) {
-        var weTEs = new TypedNbtList(Lists.newArrayList(), NbtElement.COMPOUND_TYPE);
+    protected ListTag convertToWETileEntities(ListTag tileEntities) {
+        var weTEs = new TypedNbtList(Lists.newArrayList(), Tag.TAG_COMPOUND);
 
-        for (NbtElement _tileEntity : tileEntities) {
-            var weTE = new NbtCompound();
-            var tE = (NbtCompound) _tileEntity;
+        for (Tag _tileEntity : tileEntities) {
+            var weTE = new CompoundTag();
+            var tE = (CompoundTag) _tileEntity;
             weTE.putIntArray("Pos", new int[]{
                     tE.getInt("x")
                             .orElseThrow(() -> new IllegalStateException("Pos X not found")),
@@ -114,17 +114,17 @@ public class LitematicConverter implements AutoCloseable {
         return weTEs;
     }
 
-    protected NbtCompound convertToWEPalette(NbtList paletteNbt) {
-        var wePalette = new NbtCompound();
+    protected CompoundTag convertToWEPalette(ListTag paletteNbt) {
+        var wePalette = new CompoundTag();
         for (int i = 0; i < paletteNbt.size(); i++) {
-            var entry = (NbtCompound) paletteNbt.get(i);
+            var entry = (CompoundTag) paletteNbt.get(i);
             var name = new StringBuilder(entry.getString("Name").orElseThrow(() -> new IllegalStateException("Name not found")));
             var _properties = entry.getCompound("Properties");
             if (_properties.isPresent()) {
                 var properties = _properties.get();
                 name.append("[");
                 var props = new ArrayList<String>();
-                for (String key : properties.getKeys()) {
+                for (String key : properties.keySet()) {
                     props.add(key + "=" + properties.getString(key));
                 }
                 name.append(String.join(",", props));
@@ -135,25 +135,25 @@ public class LitematicConverter implements AutoCloseable {
         return wePalette;
     }
 
-    protected NbtElement convertToWeMeta(SizeTuple size, NbtCompound region) {
-        var pos = (NbtCompound) region.get("Position");
+    protected Tag convertToWeMeta(SizeTuple size, CompoundTag region) {
+        var pos = (CompoundTag) region.get("Position");
         if (pos == null){
             throw new IllegalStateException("Pos not found");
         }
-        var nbt = new NbtCompound();
+        var nbt = new CompoundTag();
         nbt.putInt("WEOffsetX", pos.getInt("x").orElseThrow() + (size.x < 0 ? size.x + 1 : 0));
         nbt.putInt("WEOffsetY", pos.getInt("y").orElseThrow() + (size.y < 0 ? size.y + 1 : 0));
         nbt.putInt("WEOffsetZ", pos.getInt("z").orElseThrow() + (size.z < 0 ? size.z + 1 : 0));
         return nbt;
     }
 
-    protected byte[] convertToWEBlocks(SizeTuple size, NbtCompound region) {
+    protected byte[] convertToWEBlocks(SizeTuple size, CompoundTag region) {
         var blockCount = Math.abs(size.x * size.y * size.z);
         var blockStates = region.getLongArray("BlockStates").orElse(new long[0]);
         int bitsPerBlock = region.getListOrEmpty("BlockStatePalette").size();
         bitsPerBlock = Math.max(2, Integer.SIZE - Integer.numberOfLeadingZeros(bitsPerBlock - 1));
         int maxEntryValue = (1 << bitsPerBlock) - 1;
-        var buffer = new PacketByteBuf(Unpooled.buffer());
+        var buffer = new FriendlyByteBuf(Unpooled.buffer());
         for (int index = 0; index < blockCount; index++) {
             int startBit = index * bitsPerBlock;
             int startLongIndex = startBit / 64;

src/main/java/io/ib67/sfcraft/util/litematic/LitematicConverterV3.java

@@ -4,23 +4,22 @@ import io.netty.buffer.Unpooled;
 import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
 import it.unimi.dsi.fastutil.ints.IntOpenHashSet;
 import lombok.extern.log4j.Log4j2;
-import net.minecraft.nbt.NbtCompound;
-import net.minecraft.nbt.NbtElement;
-import net.minecraft.nbt.NbtSizeTracker;
-import net.minecraft.network.PacketByteBuf;
-import net.minecraft.util.math.Vec3i;
-
+import net.minecraft.core.Vec3i;
+import net.minecraft.nbt.CompoundTag;
+import net.minecraft.nbt.NbtAccounter;
+import net.minecraft.nbt.Tag;
+import net.minecraft.network.FriendlyByteBuf;
 import java.io.InputStream;
 
 @Log4j2
 public class LitematicConverterV3 extends LitematicConverter {
-    public LitematicConverterV3(InputStream input, NbtSizeTracker sizeTracker) {
+    public LitematicConverterV3(InputStream input, NbtAccounter sizeTracker) {
         super(input, sizeTracker);
     }
 
     @Override
-    protected NbtCompound convertRegionToSchematic(int dataVersion, NbtCompound region) {
-        var schematicsTag = new NbtCompound();
+    protected CompoundTag convertRegionToSchematic(int dataVersion, CompoundTag region) {
+        var schematicsTag = new CompoundTag();
 
         // prepare metadata
         var size = readSizeTuple(region);
@@ -39,30 +38,30 @@ public class LitematicConverterV3 extends LitematicConverter {
         var wePalette = convertToWEPalette(paletteNbt);
         var tileEntities = region.getListOrEmpty("TileEntities");
 
-        var blocksNbt = new NbtCompound();
+        var blocksNbt = new CompoundTag();
         blocksNbt.put("Palette", wePalette);
         var weBlockData = convertToWEBlocks(size, region);
         blocksNbt.putByteArray("Data", weBlockData);
         blocksNbt.put("BlockEntities", convertToWETileEntities(tileEntities));
         validateData(wePalette, weBlockData, Math.abs(size.x()), Math.abs(size.z()));
         schematicsTag.put("Blocks", blocksNbt);
-        var schematicsRoot = new NbtCompound();
+        var schematicsRoot = new CompoundTag();
         schematicsRoot.put("Schematic", schematicsTag);
         return schematicsRoot;
     }
 
     private void validateData(
-            NbtCompound wePalette,
+            CompoundTag wePalette,
             byte[] weBlockData,
             int width,
             int length
     ) {
         log.info("Validating schematic");
         // find invalid palette ids
-        var buf = new PacketByteBuf(Unpooled.wrappedBuffer(weBlockData));
+        var buf = new FriendlyByteBuf(Unpooled.wrappedBuffer(weBlockData));
         var paletteIds = new Int2ObjectOpenHashMap<>();
         var touchedIds = new IntOpenHashSet();
-        for (String key : wePalette.getKeys()) {
+        for (String key : wePalette.keySet()) {
             paletteIds.put(
                     wePalette.getInt(key)
                             .orElseThrow(() -> new IllegalStateException("Cannot find key " + key + " in palette from worldedit schematic"))
@@ -97,18 +96,18 @@ public class LitematicConverterV3 extends LitematicConverter {
     }
 
     @Override
-    protected NbtElement convertToWeMeta(SizeTuple size, NbtCompound region) {
-        var pos = (NbtCompound) region.get("Position");
+    protected Tag convertToWeMeta(SizeTuple size, CompoundTag region) {
+        var pos = (CompoundTag) region.get("Position");
         if (pos == null) {
             throw new IllegalStateException("Cannot find Position");
         }
-        var worldEditNbt = new NbtCompound();
+        var worldEditNbt = new CompoundTag();
         worldEditNbt.putIntArray("Origin", new int[]{
                 pos.getInt("x").orElseThrow() + (size.x() < 0 ? size.x() + 1 : 0),
                 pos.getInt("y").orElseThrow() + (size.y() < 0 ? size.y() + 1 : 0),
                 pos.getInt("z").orElseThrow() + (size.z() < 0 ? size.z() + 1 : 0)
         });
-        var Metadata = new NbtCompound();
+        var Metadata = new CompoundTag();
         Metadata.put("WorldEdit", worldEditNbt);
         Metadata.putLong("Date", System.currentTimeMillis());
 

src/main/resources/sfcraft.accesswidener

@@ -1,4 +1,3 @@
 accessWidener v2 named
-mutable field net/minecraft/item/Item registryEntry Lnet/minecraft/registry/entry/RegistryEntry$Reference;
-accessible method net/minecraft/nbt/NbtList <init> (Ljava/util/List;)V
-extendable  class   net/minecraft/nbt/NbtList
+accessible method net/minecraft/nbt/ListTag <init> (Ljava/util/List;)V
+extendable  class   net/minecraft/nbt/ListTag