Fix REntity.setBowDrawn

Fix PacketProcessor

src/de/steamwar/spectatesystem/PacketProcessor.java

@@ -308,9 +308,9 @@ class PacketProcessor {
     private void bow() throws IOException {
         int entityId = source.rInt();
         boolean drawn = source.rBoolean();
-        int hand = source.rInt();
+        boolean offHand = source.rBoolean();
 
-        execSync(() -> REntity.getEntity(entityId).setBowDrawn(drawn, hand));
+        execSync(() -> REntity.getEntity(entityId).setBowDrawn(drawn, offHand));
     }
 
     private void damage() throws IOException {

src/de/steamwar/spectatesystem/elements/REntity.java

@@ -168,11 +168,11 @@ public abstract class REntity {
         sendDataWatcher(dataWatcher);
     }
 
-    public void setBowDrawn(boolean drawn, int hand) {
+    public void setBowDrawn(boolean drawn, boolean offHand) {
         DataWatcher dataWatcher = new DataWatcher(null);
 
         DataWatcherObject<Byte> dataWatcherObject = new DataWatcherObject<>(7, DataWatcherRegistry.a);
-        dataWatcher.register(dataWatcherObject, (byte) ((drawn?1:0) + (hand * 2)));
+        dataWatcher.register(dataWatcherObject, (byte) ((drawn ? 1 : 0) + (offHand ? 2 : 0)));
         dataWatcher.markDirty(dataWatcherObject);
 
         sendDataWatcher(dataWatcher);