From 566a51f80137277e60e696e465b2bafa6d4eca29 Mon Sep 17 00:00:00 2001
From: Sokomine <wegwerf@anarres.dyndns.org>
Date: Wed, 27 Apr 2016 23:27:09 +0200
Subject: [PATCH] if secure.enable_security is disabled, schems from all worlds
 are offered

---
 build_chest_add_schems_by_directory.lua | 41 +++++++++++++++----------
 1 file changed, 24 insertions(+), 17 deletions(-)

diff --git a/build_chest_add_schems_by_directory.lua b/build_chest_add_schems_by_directory.lua
index 4359d64..e383d05 100644
--- a/build_chest_add_schems_by_directory.lua
+++ b/build_chest_add_schems_by_directory.lua
@@ -75,6 +75,28 @@ local build_chest_check_all_directories_mods_and_modpacks = function( path, menu
 	end
 end
 
+build_chest.add_files_from_path = function( worldpath, worldname )
+	-- get list of subdirectories
+	local path = worldpath..'/'..worldname;
+	local subdir_list = minetest.get_dir_list( path, true );
+	if( not( subdir_list )) then
+		return;
+	end
+	for _,subdir in ipairs( subdir_list ) do
+		if( subdir=='schems' ) then
+			local file_list = minetest.get_dir_list( path..'/schems', false );
+			for _,filename in ipairs( file_list ) do
+				build_chest_add_files_to_menu_from_directory(
+					filename,
+					path..'/schems/',
+					'import from world',
+					'landscape backups',
+					{'OVERWRITE THIS', worldname });
+			end
+		end
+	end
+end
+
 
 local build_chest_check_all_directories = function()
 	-- find the name of the directory directly above the current worldpath
@@ -106,27 +128,12 @@ local build_chest_check_all_directories = function()
 		end
 	end
 --]]
-	worldpath = string.sub( worldpath, 1, string.len( worldpath )-p );
-
+--	worldpath = string.sub( worldpath, 1, string.len( worldpath )-p );
 
 	-- locate .mts, .wem and .we files in the worlds/WORLDNAME/schems/* folders
 	local d1 = minetest.get_dir_list( worldpath, true );
 	for _,worldname in ipairs( d1 ) do
-		-- get list of subdirectories
-		local d2 = minetest.get_dir_list( worldpath..'/'..worldname, true );
-		for _,subdir in ipairs( d2 ) do
-			if( subdir=='schems' ) then
-				local d3 = minetest.get_dir_list( worldpath..'/'..worldname..'/schems', false );
-				for _,filename in ipairs( d3 ) do
-					build_chest_add_files_to_menu_from_directory(
-						filename,
-						worldpath..'/'..worldname..'/schems/',
-						'import from world',
-						'landscape backups',
-						{'OVERWRITE THIS', worldname });
-				end
-			end
-		end
+		build_chest.add_files_from_path( worldpath, worldname );
 	end
 
 	local main_path = string.sub( worldpath, 1, string.len(worldpath)-string.len('/worlds'));