fixes

res/layouts/pages/new_world.xml.lua

@@ -4,6 +4,11 @@ function world_name_validator(name)
     return name:match("^[%w-\\.\\ ]+$") ~= nil and not world.exists(name)
 end
 
+function save_state()
+    settings.name = document.name_box.text
+    settings.seed = document.seed_box.text
+end
+
 function settings.generator_name(id)
     local prefix, name = parse_path(id)
     if prefix == "core" then
@@ -19,7 +24,9 @@ function create_world()
     end
     local name = document.name_box.text
     local seed = document.seed_box.text
-    core.new_world(name, seed, settings.generator)
+    local generator = settings.generator
+    session.reset_entry('new_world')
+    core.new_world(name, seed, generator)
 end
 
 function on_open()
@@ -31,5 +38,7 @@ function on_open()
         gui.str("World generator", "world"), 
         settings.generator_name(settings.generator)
     )
+    document.name_box.text = settings.name or ''
+    document.seed_box.text = settings.seed or ''
     document.seed_box.placeholder = tostring(math.random()):sub(3)
 end