Merge pull request #1055 from louis-e/fix/baked-chunk-lighting

Bake chunk lighting so generated worlds load lit

Author: louis-e

src/args.rs

@@ -104,6 +104,11 @@ pub struct Args {
     /// Print generation-only timing to stderr (excludes data fetching)
     #[arg(long, hide = true)]
     pub benchmark: bool,
+
+    /// Bake per-chunk lighting so distant chunks render lit in LOD mods
+    /// (Voxy/Chunky) without visiting them. Slower; off by default.
+    #[arg(long, default_value_t = false)]
+    pub bake_lighting: bool,
 }
 
 /// Validates CLI arguments after parsing.
@@ -220,6 +225,7 @@ mod tests {
         assert!(!args.terrain);
         assert!(!args.bedrock);
         assert!(!args.disable_height_limit);
+        assert!(!args.bake_lighting);
         // interior, roof, land_cover default to true
         assert!(args.interior);
         assert!(args.roof);

src/data_processing.rs

@@ -66,6 +66,7 @@ pub fn generate_world_with_options(
             args.disable_height_limit,
         )
     };
+    editor.set_bake_lighting(args.bake_lighting);
     let ground = Arc::new(ground);
 
     // Per-cell water depth field from the LC_WATER mask; empty without land cover.

src/gui.rs

@@ -846,6 +846,7 @@ fn gui_start_generation(
     use_3d_enabled: bool,
     disable_height_limit: bool,
     aws_only_elevation: bool,
+    bake_lighting_enabled: bool,
     is_new_world: bool,
     spawn_point: Option<(f64, f64)>,
     telemetry_consent: bool,
@@ -1096,6 +1097,7 @@ fn gui_start_generation(
                 disable_height_limit,
                 aws_only_elevation,
                 benchmark: false,
+                bake_lighting: bake_lighting_enabled,
             };
 
             // If skip_osm_objects is true (terrain-only mode), skip fetching and processing OSM data

src/gui/css/styles.css

@@ -656,6 +656,14 @@ button:hover {
   accent-color: #fecc44;
 }
 
+#aws-only-elevation-toggle {
+  accent-color: #fecc44;
+}
+
+#bake-lighting-toggle {
+  accent-color: #fecc44;
+}
+
 #enable-luanti-toggle {
   accent-color: #fecc44;
 }

src/gui/index.html

@@ -176,6 +176,17 @@ <h2 data-localize="customization_settings">Settings</h2>
           </div>
         </div>
 
+        <!-- Bake Lighting Toggle -->
+        <div class="settings-row">
+          <label for="bake-lighting-toggle">
+            <span data-localize="bake_lighting">Bake lighting</span>
+            <span class="tooltip-icon" data-tooltip="Precompute lighting so distant chunks render lit in LOD mods (Voxy/Chunky) without visiting them. Not needed for vanilla; slower generation.">?</span>
+          </label>
+          <div class="settings-control">
+            <input type="checkbox" id="bake-lighting-toggle" name="bake-lighting-toggle">
+          </div>
+        </div>
+
         <!-- World Scale Slider -->
         <div class="settings-row">
           <label for="scale-value-slider">

src/gui/js/main.js

@@ -120,6 +120,7 @@ async function applyLocalization(localization) {
     "span[data-localize='three_dmr']": "three_dmr",
     "span[data-localize='disable_height_limit']": "disable_height_limit",
     "span[data-localize='aws_only_elevation']": "aws_only_elevation",
+    "span[data-localize='bake_lighting']": "bake_lighting",
     "span[data-localize='anonymous_crash_reports']": "anonymous_crash_reports",
     "span[data-localize='map_theme']": "map_theme",
     "span[data-localize='save_path']": "save_path",
@@ -1378,6 +1379,7 @@ async function startGeneration() {
     var use_3d = document.getElementById("use-3d-toggle").checked;
     var disable_height_limit = document.getElementById("disable-height-limit-toggle").checked;
     var aws_only_elevation = document.getElementById("aws-only-elevation-toggle").checked;
+    var bake_lighting = document.getElementById("bake-lighting-toggle").checked;
     var scale = parseFloat(document.getElementById("scale-value-slider").value);
     // var ground_level = parseInt(document.getElementById("ground-level").value, 10);
     // DEPRECATED: Ground level input removed from UI
@@ -1407,6 +1409,7 @@ async function startGeneration() {
         use3dEnabled: use_3d,
         disableHeightLimit: disable_height_limit,
         awsOnlyElevation: aws_only_elevation,
+        bakeLightingEnabled: bake_lighting,
         isNewWorld: true,
         spawnPoint: spawnPoint,
         telemetryConsent: telemetryConsent || false,

src/gui/locales/ar.json

@@ -45,6 +45,7 @@
   "three_dmr": "استخدام نماذج ثلاثية الأبعاد",
   "disable_height_limit": "توسيع ارتفاع البناء",
   "aws_only_elevation": "تضاريس قديمة",
+  "bake_lighting": "حساب الإضاءة مسبقًا",
   "bedrock_auto_generated": "يتم إنشاء عالم Bedrock تلقائيًا",
   "save_path": "مسار الحفظ",
   "rotation_angle": "زاوية الدوران",

src/gui/locales/de.json

@@ -45,6 +45,7 @@
   "three_dmr": "3D-Modelle verwenden",
   "disable_height_limit": "Bauhöhe erweitern",
   "aws_only_elevation": "Klassisches Terrain",
+  "bake_lighting": "Licht vorberechnen",
   "bedrock_auto_generated": "Bedrock-Welt wird automatisch generiert",
   "save_path": "Speicherpfad",
   "rotation_angle": "Rotationswinkel",

src/gui/locales/en-US.json

@@ -52,6 +52,7 @@
   "three_dmr": "Use 3D Models",
   "disable_height_limit": "Extend build height",
   "aws_only_elevation": "Legacy terrain",
+  "bake_lighting": "Bake lighting",
   "bedrock_auto_generated": "Bedrock world is auto-generated",
   "save_path": "Save Path",
   "rotation_angle": "Rotation Angle",

src/gui/locales/es.json

@@ -45,6 +45,7 @@
   "three_dmr": "Usar modelos 3D",
   "disable_height_limit": "Ampliar altura de construcción",
   "aws_only_elevation": "Terreno clásico",
+  "bake_lighting": "Precalcular iluminación",
   "bedrock_auto_generated": "El mundo Bedrock se genera automáticamente",
   "save_path": "Ruta de guardado",
   "rotation_angle": "Ángulo de Rotación",