Use barrier to ghost block

Author: UnknownSilicon

parallelworlds/src/main/java/parallelmc/parallelworlds/events/BlockPacketListener.java

@@ -3,21 +3,27 @@
 import com.github.retrooper.packetevents.event.PacketListener;
 import com.github.retrooper.packetevents.event.PacketReceiveEvent;
 import com.github.retrooper.packetevents.event.PacketSendEvent;
+import com.github.retrooper.packetevents.protocol.item.ItemStack;
 import com.github.retrooper.packetevents.protocol.packettype.PacketType;
 import com.github.retrooper.packetevents.protocol.world.chunk.BaseChunk;
 import com.github.retrooper.packetevents.protocol.world.chunk.impl.v_1_18.Chunk_v1_18;
 import com.github.retrooper.packetevents.protocol.world.chunk.palette.DataPalette;
 import com.github.retrooper.packetevents.protocol.world.chunk.palette.ListPalette;
+import com.github.retrooper.packetevents.util.Vector3i;
+import com.github.retrooper.packetevents.wrapper.play.client.WrapperPlayClientPlayerBlockPlacement;
 import com.github.retrooper.packetevents.wrapper.play.server.WrapperPlayServerBlockAction;
 import com.github.retrooper.packetevents.wrapper.play.server.WrapperPlayServerBlockChange;
 import com.github.retrooper.packetevents.wrapper.play.server.WrapperPlayServerChunkData;
 import com.github.retrooper.packetevents.wrapper.play.server.WrapperPlayServerDeclareCommands;
+import io.github.retrooper.packetevents.util.SpigotConversionUtil;
 import net.minecraft.world.level.block.Block;
 import net.minecraft.world.level.block.Blocks;
 import net.minecraft.world.level.block.state.BlockState;
+import org.bukkit.craftbukkit.entity.CraftPlayer;
 import parallelmc.parallelworlds.ParallelWorldsBootstrapper;
 import parallelmc.parallelworlds.registry.ParallelBlockRegistry;
 
+import java.util.Optional;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
@@ -39,7 +45,8 @@ public BlockPacketListener(int firstCustomId) {
     }
 
     @Override
-    public void onPacketReceive(PacketReceiveEvent event) {}
+    public void onPacketReceive(PacketReceiveEvent event) {
+    }
 
     @Override
     public void onPacketSend(PacketSendEvent event) {

parallelworlds/src/main/java/parallelmc/parallelworlds/registry/ParallelBlockRegistry.java

@@ -114,7 +114,7 @@ public void freeze() {
     }
 
     public boolean registerBlock(ResourceKey<@NotNull Block> key, Block block, BlockState targetBlockstate, Component name) {
-        ItemStack stack = Items.DIRT.getDefaultInstance();
+        ItemStack stack = Items.BARRIER.getDefaultInstance();
 
         stack.applyComponentsAndValidate(
                 DataComponentPatch.builder()