Add minetest.player_exists() (#5064)

builtin/game/misc.lua

@@ -114,6 +114,10 @@ function core.get_connected_players()
 	return temp_table
 end
 
+function minetest.player_exists(name)
+	return minetest.get_auth_handler().get_auth(name) ~= nil
+end
+
 -- Returns two position vectors representing a box of `radius` in each
 -- direction centered around the player corresponding to `player_name`
 function core.get_player_radius_area(player_name, radius)
@@ -244,4 +248,3 @@ end
 function core.close_formspec(player_name, formname)
 	return minetest.show_formspec(player_name, formname, "")
 end
-

doc/lua_api.txt

@@ -2583,6 +2583,7 @@ These functions return the leftover itemstack.
 
 ### Misc.
 * `minetest.get_connected_players()`: returns list of `ObjectRefs`
+* `minetest.player_exists(name)`: boolean, whether player exists (regardless of online status)
 * `minetest.hud_replace_builtin(name, hud_definition)`
     * Replaces definition of a builtin hud element
     * `name`: `"breath"` or `"health"`