Add thread flexibility for cavegen

init.lua

@@ -63,9 +63,7 @@ function internal.init()
     internal.overworld_depth_to(WORLD_DEPTH)
 
     -- Add custom caves
-    minetest.register_mapgen_script(
-        minetest.get_modpath(minetest.get_current_modname()) .. "/mapgen.lua"
-    )
+    internal.add_custom_caves("mapgen.lua")
 
     -- Remove massive v7 caves
     internal.stop_v7_caverns()
@@ -111,7 +109,19 @@ function internal.init()
     internal.spawn_osmium_ore()
 
     -- Add more dripstone blocks
-    internal.register_dripstone_blocks()
+    -- internal.register_dripstone_blocks()
+end
+
+-- Start the cave generator
+function internal.add_custom_caves(filename)
+    local fullname = minetest.get_modpath(minetest.get_current_modname()) .. "/" .. filename
+    
+    if ns_cavegen_init and ns_cavegen_init.register_cavegen_script then
+        ns_cavegen_init.register_cavegen_script(fullname)
+    else
+        minetest.log("warning", "User uses deprecated version 1.0.0 of cave generator - please update soon.")
+        minetest.register_mapgen_script(fullname)
+    end
 end
 
 -- Create a deepcopy of a table