Pixel art style coarser: 270 world rows

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

docs/ROADMAP.md

@@ -118,7 +118,7 @@ painted mission whose triggers switch each other on. **Block 4 is done.**
 
 ## 5. Next (agreed 2026-11-06)
 
-Done: the pixel look (the world 360 rows on every device, graphics style "pixel art" 360 rows or "high-res" 1080 rows with 32x32 sprites, first the imp; the interface on the same
+Done: the pixel look (the world the same rows on every device, graphics style "pixel art" 270 rows or "high-res" 1080 rows with 32x32 sprites, first the imp; the interface on the same
 grid), guard and attack markers (shields and swords), savegames with the game state only.
 
 1. **Real AI masters** (done, v202611-00052) - rivals, AI seats and the co-op partner play by the player's rules: imps dig,

src/main.rs

@@ -987,7 +987,7 @@ async fn main() {
         // pixel look: the interface on a virtual screen whose pixels are whole parts of the world's
         let rows = settings::pixel_rows(app.settings.pixel_rows);
         // the interface needs room: the smallest whole multiple of the world's rows with at least
-        // 900 rows (360 -> 1080), on a desktop and on a touch screen alike (a phone has about
+        // 900 rows (270 -> 1080), on a desktop and on a touch screen alike (a phone has about
         // 1080 device rows in landscape; a smaller screen draws in device pixels)
         let need: u32 = 900;
         // measured on the shorter side: upright (portrait) the width gets those pixels and the

src/render3d.rs

@@ -1252,7 +1252,7 @@ fn chunk_sig(map: &Map, cx: i32, cz: i32) -> u64 {
 
 impl R3d {
     pub fn new() -> R3d {
-        R3d { lit: lit_material(), glow: glow_material(), opaque: opaque_material(), chunks: Vec::new(), ncx: 0, ncz: 0, outlines: true, wall_sub: 3, max_lights: MAX_LIGHTS, pixel_rows: 360, target: None, lava: Vec::new() }
+        R3d { lit: lit_material(), glow: glow_material(), opaque: opaque_material(), chunks: Vec::new(), ncx: 0, ncz: 0, outlines: true, wall_sub: 3, max_lights: MAX_LIGHTS, pixel_rows: crate::settings::PIXEL_ART_ROWS as u32, target: None, lava: Vec::new() }
     }
 
     // Changing the wall detail rebuilds all chunks

src/settings.rs

@@ -151,7 +151,7 @@ pub struct Settings {
     pub ui_factor: u8,   // old interface size (2 large, 3 medium, 4 small; only read to carry old settings over)
     pub ui_size: u16,    // interface size in percent of the standard (100 = 1080 interface rows), 0 = automatic
     pub render_scale: u8, // old pixel-look divisor (no longer used, kept for old settings files)
-    pub pixel_rows: u16,  // graphics style: rows of the world on every screen (360 pixel art, 1080 high-res)
+    pub pixel_rows: u16,  // graphics style: rows of the world on every screen (270 pixel art, 1080 high-res)
     pub touch_ui: u8,     // touch interface: 0 = automatic (after the first touch), 1 = on, 2 = off
     pub debug_fps: bool,                // show FPS and rendering backend
     pub debug_frame_time: bool,          // show the frame-time line and graph
@@ -192,7 +192,7 @@ impl Default for Settings {
             ui_factor: 0,
             ui_size: 0,
             render_scale: 1,
-            pixel_rows: 360,
+            pixel_rows: PIXEL_ART_ROWS,
             touch_ui: 0,
             debug_fps: false,
             debug_frame_time: false,
@@ -264,10 +264,10 @@ impl Settings {
     }
 }
 
-// the graphics styles of the settings menu as the world's pixel rows: pixel art (360 rows, the
+// the graphics styles of the settings menu as the world's pixel rows: pixel art (270 rows, the
 // small hand-made sprites) and high-res (1080 rows, detailed sprites; other values from older
 // settings files count as pixel art)
-pub const PIXEL_ART_ROWS: u16 = 360;
+pub const PIXEL_ART_ROWS: u16 = 270;
 pub const HIGH_RES_ROWS: u16 = 1080;
 pub const STYLES: [u16; 2] = [PIXEL_ART_ROWS, HIGH_RES_ROWS];
 
@@ -326,10 +326,10 @@ mod tests {
     #[test]
     fn graphics_styles() {
         assert_eq!(pixel_rows(1080), 1080);
-        assert_eq!(pixel_rows(360), 360);
+        assert_eq!(pixel_rows(270), 270);
         // older pixel-look values count as pixel art
-        for old in [270u16, 480, 540, 0] {
+        for old in [360u16, 480, 540, 0] {
-            assert_eq!(pixel_rows(old), 360);
+            assert_eq!(pixel_rows(old), 270);
         }
     }
 }