add 'stairsplus_clay_compatibility' setting

README.md

@@ -8,6 +8,7 @@ https://forum.minetest.net/viewtopic.php?id=8890
 
 Changelog:
 
+- 1.2 - Add 'stairsplus_clay_compatibility' setting.
 - 1.1 - Remove 0.4.x compatibility to better support 5.x mods
 - 1.0 - Re-Added glazed terracotta blocks when you cook baked clay in furnace (thanks Amara2_MK), added support for sofar's flowerpot mod, missing glazed textures re-coloured by firefox.
 - 0.9 - Baked clay now works in the technic cnc machine
@@ -24,3 +25,5 @@ Lucky Blocks: 10
 
 
 Note: Under settings you will find 'colored_clay_compatibility' switch that when enabled will register aliases for the older colored clay mod and it's stairplus stairs.
+
+You will also find the 'stairsplus_clay_compatibility' setting that is enabled by default for older worlds that switched from default stairs mod to stairsplus.  It can be disabled for brand new worlds only using stairsplus mod though.

init.lua

@@ -26,6 +26,8 @@ local techcnc_mod = minetest.get_modpath("technic_cnc")
 local stairs_mod = minetest.get_modpath("stairs")
 local stairsplus_mod = minetest.get_modpath("moreblocks")
 		and minetest.global_exists("stairsplus")
+local stairsplus_compat = minetest.settings:get_bool("stairsplus_clay_compatibility") ~= false
+
 
 -- scroll through colours
 for _, clay in pairs(clay) do
@@ -62,14 +64,17 @@ for _, clay in pairs(clay) do
 			sounds = default.node_sound_stone_defaults()
 		})
 
-		stairsplus:register_alias_all("bakedclay", clay[1],
-				"bakedclay", "baked_clay_" .. clay[1])
+		if stairsplus_compat then
 
-		minetest.register_alias("stairs:slab_bakedclay_".. clay[1],
-				"bakedclay:slab_baked_clay_" .. clay[1])
+			stairsplus:register_alias_all("bakedclay", clay[1],
+					"bakedclay", "baked_clay_" .. clay[1])
 
-		minetest.register_alias("stairs:stair_bakedclay_".. clay[1],
-				"bakedclay:stair_baked_clay_" .. clay[1])
+			minetest.register_alias("stairs:slab_bakedclay_".. clay[1],
+					"bakedclay:slab_baked_clay_" .. clay[1])
+
+			minetest.register_alias("stairs:stair_bakedclay_".. clay[1],
+					"bakedclay:stair_baked_clay_" .. clay[1])
+		end
 
 	-- stairs redo
 	elseif stairs_mod and stairs.mod then

settingtypes.txt

@@ -1,2 +1,5 @@
 #    Registers compatibility aliases with the older colored_clay mod
 colored_clay_compatibility (Colored Clay Compatibility) bool false
+
+#    Registers compatibility aliases in older worlds for StairsPlus mod
+stairsplus_clay_compatibility (StairsPlus Stair Compatibility) bool true