Merge pull request #371 from OptimisticDeving/fix-spidey-npe

Fix NPE in spidey block iterator material checking

Author: kaboombot

src/main/java/pw/kaboom/extras/commands/CommandSpidey.java

@@ -3,6 +3,7 @@
 import net.kyori.adventure.text.Component;
 import org.bukkit.Material;
 import org.bukkit.World;
+import org.bukkit.block.Block;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandExecutor;
 import org.bukkit.command.CommandSender;
@@ -37,10 +38,11 @@ public boolean onCommand(final @Nonnull CommandSender sender,
             distance
         );
 
-        while (blockIterator.hasNext()
-                && (Material.AIR.equals(blockIterator.next().getType())
-                || Material.CAVE_AIR.equals(blockIterator.next().getType()))) {
-            blockIterator.next().setType(Material.COBWEB);
+        while (blockIterator.hasNext()) {
+            final Block block = blockIterator.next();
+
+            if (block.getType() != Material.COBWEB && !block.getType().isAir()) break;
+            block.setType(Material.COBWEB);
         }
         return true;
     }