Fixed: map mirror / crashes / mech pads / player list / mobile placement

core/src/io/anuke/mindustry/entities/effect/ItemTransfer.java

@@ -49,7 +49,7 @@ public class ItemTransfer extends TimedEntity implements DrawTrait{
 
     @Remote(called = Loc.server)
     public static void transferItemTo(Item item, int amount, float x, float y, Tile tile){
-        if(tile == null) return;
+        if(tile == null || tile.entity == null || tile.entity.items == null) return;
         for(int i = 0; i < Mathf.clamp(amount / 3, 1, 8); i++){
             Timers.run(i * 3, () -> create(item, x, y, tile, () -> {
             }));

core/src/io/anuke/mindustry/entities/traits/TypeTrait.java

@@ -14,7 +14,7 @@ public interface TypeTrait{
      */
     static <T extends TypeTrait> void registerType(Class<T> type, Supplier<T> supplier){
         if(typeToID.get(type, -1) != -1){
-            throw new RuntimeException("Type is already registered: '" + type + "'!");
+            return; //already registered
         }
 
         registeredTypes.add(supplier);