Fixed respawn button disconnecting the client

src/main/java/fr/themode/demo/MainDemo.java

@@ -1,6 +1,7 @@
 package fr.themode.demo;
 
 import net.minestom.server.MinecraftServer;
+import net.minestom.server.entity.GameMode;
 import net.minestom.server.event.player.PlayerLoginEvent;
 import net.minestom.server.event.player.PlayerSpawnEvent;
 import net.minestom.server.instance.*;
@@ -33,11 +34,13 @@ public class MainDemo {
             // Set the spawning instance
             player.addEventCallback(PlayerLoginEvent.class, event -> {
                 event.setSpawningInstance(instanceContainer);
+                player.setRespawnPoint(new Position(0,45,0));
             });
 
             // Teleport the player at spawn
             player.addEventCallback(PlayerSpawnEvent.class, event -> {
                 player.teleport(new Position(0, 45, 0));
+                player.setGameMode(GameMode.CREATIVE);
             });
         });
 

src/main/java/net/minestom/server/entity/Player.java

@@ -506,6 +506,17 @@ public class Player extends LivingEntity implements CommandSender {
 
         // Runnable called when teleportation is successful (after loading and sending necessary chunk)
         teleport(respawnEvent.getRespawnPosition(), this::refreshAfterTeleport);
+
+        resendVisibleChunks();
+    }
+
+    private void resendVisibleChunks() {
+        for (Chunk chunk : viewableChunks) {
+            chunk.removeViewer(this);
+        }
+        viewableChunks.clear();
+        BlockPosition pos = position.toBlockPosition();
+        onChunkChange(instance.getChunk(pos.getX() >> 4, pos.getZ() >> 4));
     }
 
     @Override

src/main/java/net/minestom/server/network/packet/server/login/JoinGamePacket.java

@@ -44,7 +44,7 @@ public class JoinGamePacket implements ServerPacket {
 		nbt.set("minecraft:worldgen/biome", biomes);
 
 		writer.writeNBT("", nbt);
-		writer.writeNBT("", dimensionType.toNBT2());
+		writer.writeNBT("", dimensionType.toNBT());
 
 		writer.writeSizedString(dimensionType.getName().toString());
 		writer.writeLong(hashedSeed);

src/main/java/net/minestom/server/network/packet/server/play/RespawnPacket.java

@@ -17,7 +17,7 @@ public class RespawnPacket implements ServerPacket {
     @Override
     public void write(BinaryWriter writer) {
         //TODO add api
-        writer.writeNBT("", dimensionType.toNBT2());
+        writer.writeNBT("", dimensionType.toNBT());
 
         // Warning: must be different for each dimension type! Otherwise the client seems to cache the world name
         writer.writeSizedString(dimensionType.getName().toString());

src/main/java/net/minestom/server/world/DimensionType.java

@@ -58,29 +58,16 @@ public class DimensionType {
 		return hiddenBuilder().name(name);
 	}
 
-	public NBTCompound toNBT() {
+	public NBTCompound toIndexedNBT() {
 		NBTCompound nbt = new NBTCompound();
-		NBTCompound element = new NBTCompound()
+		NBTCompound element = toNBT();
-				.setFloat("ambient_light", ambientLight)
-				.setString("infiniburn", infiniburn.toString())
-				.setByte("natural", (byte) (natural ? 0x01 : 0x00))
-				.setByte("has_ceiling", (byte) (ceilingEnabled ? 0x01 : 0x00))
-				.setByte("has_skylight", (byte) (skylightEnabled ? 0x01 : 0x00))
-				.setByte("ultrawarm", (byte) (ultrawarm ? 0x01 : 0x00))
-				.setByte("has_raids", (byte) (raidCapable ? 0x01 : 0x00))
-				.setByte("respawn_anchor_works", (byte) (respawnAnchorSafe ? 0x01 : 0x00))
-				.setByte("bed_works", (byte) (bedSafe ? 0x01 : 0x00))
-				.setByte("piglin_safe", (byte) (piglinSafe ? 0x01 : 0x00))
-				.setInt("logical_height", logicalHeight)
-				.setInt("coordinate_scale", coordinateScale);
-		fixedTime.ifPresent(time -> element.setLong("fixed_time", time));
 		nbt.setString("name", name.toString());
 		nbt.setInt("id", id);
 		nbt.set("element", element);
 		return nbt;
 	}
 
-	public NBTCompound toNBT2() {
+	public NBTCompound toNBT() {
 		NBTCompound nbt = new NBTCompound()
 				.setFloat("ambient_light", ambientLight)
 				.setString("infiniburn", infiniburn.toString())

src/main/java/net/minestom/server/world/DimensionTypeManager.java

@@ -53,7 +53,7 @@ public class DimensionTypeManager {
         dimensions.setString("type", "minecraft:dimension_type");
         NBTList<NBTCompound> dimensionList = new NBTList<>(NBTTypes.TAG_Compound);
         for (DimensionType dimensionType : dimensionTypes) {
-            dimensionList.add(dimensionType.toNBT());
+            dimensionList.add(dimensionType.toIndexedNBT());
         }
         dimensions.set("value", dimensionList);
         return dimensions;