Allow resetting celestial vault elements by leaving its arguments empty (#11922)

1 files changed, 9 insertions, 2 deletions

diff --git a/doc/lua_api.txt b/doc/lua_api.txt
index 3edfd5bb1..00c29f791 100644
--- a/doc/lua_api.txt
+++ b/doc/lua_api.txt
@@ -6794,12 +6794,15 @@ object you are working with still exists.
 * `set_sky(sky_parameters)`
     * The presence of the function `set_sun`, `set_moon` or `set_stars` indicates
       whether `set_sky` accepts this format. Check the legacy format otherwise.
+    * Passing no arguments resets the sky to its default values.
     * `sky_parameters` is a table with the following optional fields:
         * `base_color`: ColorSpec, changes fog in "skybox" and "plain".
+          (default: `#ffffff`)
         * `type`: Available types:
             * `"regular"`: Uses 0 textures, `base_color` ignored
             * `"skybox"`: Uses 6 textures, `base_color` used as fog.
             * `"plain"`: Uses 0 textures, `base_color` used as both fog and sky.
+            (default: `"regular"`)
         * `textures`: A table containing up to six textures in the following
             order: Y+ (top), Y- (bottom), X- (west), X+ (east), Z+ (north), Z- (south).
         * `clouds`: Boolean for whether clouds appear. (default: `true`)
@@ -6828,9 +6831,9 @@ object you are working with still exists.
             * `indoors`: ColorSpec, for when you're either indoors or underground.
               (default: `#646464`)
             * `fog_sun_tint`: ColorSpec, changes the fog tinting for the sun
-              at sunrise and sunset.
+              at sunrise and sunset. (default: `#f47d1d`)
             * `fog_moon_tint`: ColorSpec, changes the fog tinting for the moon
-              at sunrise and sunset.
+              at sunrise and sunset. (default: `#7f99cc`)
             * `fog_tint_type`: string, changes which mode the directional fog
                 abides by, `"custom"` uses `sun_tint` and `moon_tint`, while
                 `"default"` uses the classic Minetest sun and moon tinting.
@@ -6848,6 +6851,7 @@ object you are working with still exists.
 * `get_sky_color()`: returns a table with the `sky_color` parameters as in
     `set_sky`.
 * `set_sun(sun_parameters)`:
+    * Passing no arguments resets the sun to its default values.
     * `sun_parameters` is a table with the following optional fields:
         * `visible`: Boolean for whether the sun is visible.
             (default: `true`)
@@ -6863,6 +6867,7 @@ object you are working with still exists.
 * `get_sun()`: returns a table with the current sun parameters as in
     `set_sun`.
 * `set_moon(moon_parameters)`:
+    * Passing no arguments resets the moon to its default values.
     * `moon_parameters` is a table with the following optional fields:
         * `visible`: Boolean for whether the moon is visible.
             (default: `true`)
@@ -6874,6 +6879,7 @@ object you are working with still exists.
 * `get_moon()`: returns a table with the current moon parameters as in
     `set_moon`.
 * `set_stars(star_parameters)`:
+    * Passing no arguments resets stars to their default values.
     * `star_parameters` is a table with the following optional fields:
         * `visible`: Boolean for whether the stars are visible.
             (default: `true`)
@@ -6887,6 +6893,7 @@ object you are working with still exists.
 * `get_stars()`: returns a table with the current stars parameters as in
     `set_stars`.
 * `set_clouds(cloud_parameters)`: set cloud parameters
+    * Passing no arguments resets clouds to their default values.
     * `cloud_parameters` is a table with the following optional fields:
         * `density`: from `0` (no clouds) to `1` (full clouds) (default `0.4`)
         * `color`: basic cloud color with alpha channel, ColorSpec