Fix NPE for unknown beds & keep original NBT data

core/src/main/java/nl/matsv/viabackwards/api/rewriters/BlockItemRewriter.java

@@ -52,8 +52,15 @@ public abstract class BlockItemRewriter<T extends BackwardsProtocol> extends Rew
 
             if (i.getTag() == null)
                 i.setTag(new CompoundTag(""));
+
+            // Backup data for toServer
             i.getTag().put(createViaNBT(original));
 
+            // Keep original data
+            if (original.getTag() != null)
+                for (Tag ai : original.getTag())
+                    i.getTag().put(ai);
+
             // Handle colors
             if (i.getTag().contains("display")) {
                 CompoundTag tag = i.getTag().get("display");
@@ -76,6 +83,8 @@ public abstract class BlockItemRewriter<T extends BackwardsProtocol> extends Rew
             data.getItemHandler().handle(i);
         }
 
+        System.out.println(i);
+
         return i;
     }
 
@@ -146,8 +155,10 @@ public abstract class BlockItemRewriter<T extends BackwardsProtocol> extends Rew
                     for (int z = 0; z < 16; z++) {
                         int block = section.getBlock(x, y, z);
                         int btype = block >> 4;
+                        int meta = block & 15;
+
                         if (containsBlock(btype)) {
-                            Block b = handleBlock(btype, block & 15); // Type / data
+                            Block b = handleBlock(btype, meta); // Type / data
                             section.setBlock(x, y, z, b.getId(), b.getData());
                         }
                         // Entity Tags

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_12to1_11_1/data/BlockColors.java

@@ -45,6 +45,6 @@ public class BlockColors {
     }
 
     public static String get(Integer key) {
-        return colors.get(key);
+        return colors.getOrDefault(key, "Unknown color");
     }
 }