1.7.0 rc2 (1.19.3 datawater fix)

1 files changed, 70 insertions, 0 deletions

diff --git a/src/main/java/net/tylermurphy/hideAndSeek/util/packet/EntityMetadataPacket.java b/src/main/java/net/tylermurphy/hideAndSeek/util/packet/EntityMetadataPacket.java
new file mode 100644
index 0000000..d77a227
--- /dev/null
+++ b/src/main/java/net/tylermurphy/hideAndSeek/util/packet/EntityMetadataPacket.java
@@ -0,0 +1,70 @@
+package net.tylermurphy.hideAndSeek.util.packet;
+
+import com.comphenix.protocol.PacketType;
+import com.comphenix.protocol.wrappers.WrappedDataValue;
+import com.comphenix.protocol.wrappers.WrappedDataWatcher;
+import com.comphenix.protocol.wrappers.WrappedWatchableObject;
+import org.bukkit.entity.Entity;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class EntityMetadataPacket extends AbstractPacket {
+
+    private final WrappedDataWatcher watcher;
+    private final WrappedDataWatcher.Serializer serializer;
+
+    public EntityMetadataPacket(){
+        super(PacketType.Play.Server.ENTITY_METADATA);
+        watcher = new WrappedDataWatcher();
+        serializer = WrappedDataWatcher.Registry.get(Byte.class);
+    }
+
+    public void setEntity(@NotNull Entity target){
+        super.packet.getIntegers().write(0, target.getEntityId());
+        watcher.setEntity(target);
+    }
+
+    public void setGlow(boolean glowing){
+        if (glowing) {
+            watcher.setObject(0, serializer, (byte) (0x40));
+        } else {
+            watcher.setObject(0, serializer, (byte) (0x0));
+        }
+    }
+
+    public void writeMetadata() {
+
+        // thank you to
+        // https://www.spigotmc.org/threads/unable-to-modify-entity-metadata-packet-using-protocollib-1-19-3.582442/
+
+        try {
+            // 1.19.3 And Up
+            Class.forName("com.comphenix.protocol.wrappers.WrappedDataValue");
+
+            final List<WrappedDataValue> wrappedDataValueList = new ArrayList<>();
+
+            for(final WrappedWatchableObject entry : watcher.getWatchableObjects()) {
+                if(entry == null) continue;
+
+                final WrappedDataWatcher.WrappedDataWatcherObject watcherObject = entry.getWatcherObject();
+                wrappedDataValueList.add(
+                        new WrappedDataValue(
+                                watcherObject.getIndex(),
+                                watcherObject.getSerializer(),
+                                entry.getRawValue()
+                        )
+                );
+            }
+
+            packet.getDataValueCollectionModifier().write(0, wrappedDataValueList);
+
+        } catch (ClassCastException | ClassNotFoundException ignored) {
+            // 1.9 to 1.19.2 And Up
+            packet.getWatchableCollectionModifier().write(0, watcher.getWatchableObjects());
+        }
+
+    }
+
+}
\ No newline at end of file