Interface size setting: auto, large, medium or small on the world's pixel grid

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/menu.rs

@@ -141,13 +141,12 @@ fn item_value(it: Item, s: &Settings) -> String {
             _ => "val.medium",
         }),
         Item::Lights => s.max_lights.to_string(),
-        Item::UiScale => {
-            if s.ui_factor == 0 {
-                trf("val.auto", &[crate::ui::F().to_string()])
-            } else {
-                format!("{}x", s.ui_factor)
-            }
-        }
+        Item::UiScale => tr(match s.ui_factor {
+            2 => "val.large",
+            3 => "val.medium",
+            4 => "val.small",
+            _ => "val.auto_plain",
+        }),
         Item::DebugFps => onoff(s.debug_fps),
         Item::DebugFrameTime => onoff(s.debug_frame_time),
         Item::DebugPing => onoff(s.debug_ping),
@@ -202,7 +201,7 @@ fn item_change(it: Item, s: &mut Settings, d: i32) {
         Item::Outlines => s.outlines = !s.outlines,
         Item::WallDetail => s.wall_detail = cycle(&[1u8, 2, 3], s.wall_detail, d),
         Item::Lights => s.max_lights = cycle(&[8u8, 16, 24], s.max_lights, d),
-        Item::UiScale => s.ui_factor = cycle(&[0u8, 1, 2, 3, 4], s.ui_factor, d),
+        Item::UiScale => s.ui_factor = cycle(&[0u8, 2, 3, 4], if [0, 2, 3, 4].contains(&s.ui_factor) { s.ui_factor } else { 0 }, d),
         Item::RenderScale => s.pixel_rows = cycle(&[270u16, 360, 480], if [270, 360, 480].contains(&s.pixel_rows) { s.pixel_rows } else { 360 }, d),
         Item::DebugFps => s.debug_fps = !s.debug_fps,
         Item::DebugFrameTime => s.debug_frame_time = !s.debug_frame_time,