Simplyfied stairs registrations

stairs_functions.lua

@@ -0,0 +1,39 @@
+
+
+if minetest.get_modpath("moreblocks") then
+	function darkage.register_stairs(nodeName)
+        local ndef = assert(minetest.registered_nodes[nodeName], "Error: "..nodeName.." is not registered")
+
+        local mod = "darkage"
+        local node = nodeName:split(":")[2]
+
+        stairsplus:register_all(mod, node, nodeName, ndef)
+    end
+elseif minetest.get_modpath("stairs") then
+	function darkage.register_stairs(nodeName)
+        local ndef = assert(minetest.registered_nodes[nodeName], "Error: "..nodeName.." is not registered")
+
+        local node = nodeName:split(":")[2]
+
+        -- The stairs api does not allow to use the darkage modname, so we have to call the nodes stairs:stair_darkage_
+        -- and creating an alias
+        local subname = "darkage_".. node; 
+        stairs.register_stair_and_slab(subname, nodeName,
+                                       ndef.groups, ndef.tiles, 
+                                       ndef.description.." Stair", ndef.description.." Slab",
+                                       ndef.sounds)
+
+        --stairs.register_stair_and_slab(subname, recipeitem,
+        --                               groups, images, 
+        --                               desc_stair, desc_slab, sounds)
+        minetest.register_alias("darkage:stair_"..node, "stairs:stair_darkage_"..node)
+        minetest.register_alias("darkage:slab_"..node, "stairs:slab_darkage_"..node)
+    end
+else 
+    -- No compatible stairs mod found.
+    minetest.log("error", "[darkage] Darkage requires at least moreblocks or stairs to be installed. Its not possible to register stairs.")
+    function darkage.register_stairs(nodeName)
+        minetest.log("warning", "could not create stair of type "..nodeName .." because no compatible stairs mod is installed.")
+    end
+end
+