From d0efa15b983f7a0a96e1a7abcdad713715dfeeeb Mon Sep 17 00:00:00 2001 From: Zefram <zefram@fysh.org> Date: Mon, 18 Aug 2014 16:14:15 +0200 Subject: [PATCH] In quarry, skip past undiggable nodes --- technic/helpers.lua | 23 +++++++++++++++++------ 1 files changed, 17 insertions(+), 6 deletions(-) diff --git a/technic/helpers.lua b/technic/helpers.lua index 624a8a7..c07937a 100644 --- a/technic/helpers.lua +++ b/technic/helpers.lua @@ -1,9 +1,3 @@ -minetest.swap_node = minetest.swap_node or function(pos, node) - local oldmeta = minetest.get_meta(pos):to_table() - minetest.set_node(pos, node) - minetest.get_meta(pos):from_table(oldmeta) -end - -- Only changes name, keeps other params function technic.swap_node(pos, name) local node = minetest.get_node(pos) @@ -25,3 +19,20 @@ stack:set_metadata(minetest.serialize(meta)) return stack end + +local function resolve_name(function_name) + local a = _G + for key in string.gmatch(function_name, "([^%.]+)(%.?)") do + if a[key] then + a = a[key] + else + return nil + end + end + return a +end + +function technic.function_exists(function_name) + return type(resolve_name(function_name)) == 'function' +end + -- Gitblit v1.8.0