Planet lighting parameters

core/src/mindustry/content/Planets.java

@@ -52,6 +52,8 @@ public class Planets implements ContentList{
             tidalLock = true;
             orbitSpacing = 0.45f;
             totalRadius += 2.6f;
+            lightSrcTo = 0.5f;
+            lightDstFrom = 0.2f;
         }};
 
         float[] offsets = {40, 0, 0, 20};

core/src/mindustry/game/Universe.java

@@ -83,9 +83,10 @@ public class Universe{
         }
 
         if(state.hasSector() && state.getSector().planet.updateLighting){
+            var planet = state.getSector().planet;
             //update sector light
             float light = state.getSector().getLight();
-            float alpha = Mathf.clamp(Mathf.map(light, 0f, 0.8f, 0.3f, 1f));
+            float alpha = Mathf.clamp(Mathf.map(light, planet.lightSrcFrom, planet.lightSrcTo, planet.lightDstFrom, planet.lightDstTo));
 
             //assign and map so darkness is not 100% dark
             state.rules.ambientLight.a = 1f - alpha;

core/src/mindustry/type/Planet.java

@@ -59,6 +59,8 @@ public class Planet extends UnlockableContent{
     public boolean accessible = true;
     /** If true, a day/night cycle is simulated. */
     public boolean updateLighting = true;
+    /** Day/night cycle parameters. */
+    public float lightSrcFrom = 0f, lightSrcTo = 0.8f, lightDstFrom = 0.3f, lightDstTo = 1f;
     /** The default starting sector displayed to the map dialog. */
     public int startSector = 0;
     /** Whether the bloom render effect is enabled. */