@Command( aliases = {"/replace"}, usage = "[from-block] <to-block>", desc = "Replace all blocks in the selection with another", flags = "f", min = 1, max = 2) @CommandPermissions("worldedit.region.replace") @Logging(REGION) public static void replace( CommandContext args, WorldEdit we, LocalSession session, LocalPlayer player, EditSession editSession) throws WorldEditException { Set<BaseBlock> from; Pattern to; if (args.argsLength() == 1) { from = null; to = we.getBlockPattern(player, args.getString(0)); } else { from = we.getBlocks(player, args.getString(0), true, !args.hasFlag('f')); to = we.getBlockPattern(player, args.getString(1)); } int affected = 0; if (to instanceof SingleBlockPattern) { affected = editSession.replaceBlocks( session.getSelection(player.getWorld()), from, ((SingleBlockPattern) to).getBlock()); } else { affected = editSession.replaceBlocks(session.getSelection(player.getWorld()), from, to); } player.print(affected + " block(s) have been replaced."); }