Add settings system (closes #6)

IGNOREME/README.md

@@ -0,0 +1,3 @@
+**EDITING THIS FOLDER IS USELESS, EDIT THE ONE CALLED parties IN THE WORLD FOLDER INSTEAD**
+
+The first time the world is launched with `parties` on, this folder is copy-pasted into the world folder (with the sole exception of this file). The purpose of this folder is to provide a template for the settings file.

IGNOREME/SETTINGS.lua

@@ -0,0 +1 @@
+--TODO

README.md

@@ -14,6 +14,9 @@ Minimalist party mod for Minetest
 ### Chat
 * `/p <message>` writes a message in the party chat
 
+## Customisation
+Launch the world at least once with `parties` enabled. Then customise the mod going to `your world folder/parties`
+
 ## Developers
 [In-depth API documentation](https://gitlab.com/zughy-friends-minetest/parties/-/blob/master/DOCS.md)
 

src/_load.lua

@@ -0,0 +1,14 @@
+local function load_world_folder()
+  local wrld_dir = minetest.get_worldpath() .. "/parties"
+  local content = minetest.get_dir_list(wrld_dir)
+
+  -- se la cartella di parties non esiste/è vuota, copio la cartella base `IGNOREME`
+  if not next(content) then
+    local src_dir = minetest.get_modpath("parties") .. "/IGNOREME"
+    minetest.cpdir(src_dir, wrld_dir)
+    os.remove(wrld_dir .. "/README.md")
+    content = minetest.get_dir_list(wrld_dir)
+  end
+end
+
+load_world_folder()