Restrict mapgens available to Android & iOS by default

builtin/mainmenu/dlg_create_world.lua

@@ -16,8 +16,15 @@
 --51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 local function create_world_formspec(dialogdata)
-	local mapgens = core.get_mapgen_names()
-
+	local mapgens = {}
+	local mapgens_available = core.settings:get("mapgens_available")
+	if mapgens_available then
+		for mg in string.gmatch(mapgens_available, '[^,%s]+') do
+			table.insert(mapgens, mg)
+		end
+	else
+		mapgens = core.get_mapgen_names()
+	end
 	local current_seed = core.settings:get("fixed_map_seed") or ""
 	local current_mg   = core.settings:get("mg_name")
 

multicraft.conf.example

@@ -1169,6 +1169,11 @@ max_out_chat_queue_size = 20
 
 ## Mapgen
 
+#    Available map generators, can be used to restrict mapgens unsuitable
+#    for specific platforms and devices
+
+# mapgens_available = v6, v7p, flat
+
 #    Name of map generator to be used when creating a new world.
 #    Creating a world in the main menu will override this.
 #    type: enum values: v5, v6, v7, flat, valleys, fractal, singlenode

src/defaultsettings.cpp

@@ -383,6 +383,7 @@ void set_default_settings(Settings *settings)
 	settings->setDefault("abm_interval", "2.0");
 	settings->setDefault("client_unload_unused_data_timeout", "60");
 	settings->setDefault("curl_verify_cert", "false");
+	settings->setDefault("mapgens_available", "v6, v7p, flat");
 #endif
 
 #ifdef __ANDROID__