Add the rest of the game.

mods/artifact_world/mapgen.lua

@@ -1,5 +1,6 @@
 local vm_data = {}
 
+local c_air = minetest.get_content_id("air")
 local c_stone = minetest.get_content_id("artifact:stone")
 
 -- Singlenode, but the single node is stone.
@@ -11,9 +12,12 @@ minetest.register_on_generated(function(vm, minp, maxp)
     
     vm:get_data(vm_data)
     
-    for i in va:iterp(minp, maxp) do
-        vm_data[i] = c_stone
-    end
+-- If we load a giant schematic initially, the parts outside view range get eaten by mapgen.
+--    for i in va:iterp(minp, maxp) do
+--        if vm_data[i] == c_air then
+--            vm_data[i] = c_stone
+--        end
+--    end
     
     vm:set_data(vm_data)
     vm:calc_lighting()