Do not allow //mix with no nodes

diff --git a/worldedit_commands/init.lua b/worldedit_commands/init.lua
index 4e5edbe4686a051ed6694cc18acd569a6baa4f6f..28b61c54a6f6d642ed63f8d3fc0fae0cceea7cc7 100644 (file)
--- a/worldedit_commands/init.lua
+++ b/worldedit_commands/init.lua
@@ -574,6 +574,9 @@ worldedit.register_command("mix", {
                                nodes[#nodes + 1] = node\r
                        end\r
                end\r
+               if #nodes == 0 then\r
+                       return false\r
+               end\r
                return true, nodes\r
        end,\r
        nodes_needed = check_region,\r