Charakterbewegungen hinzugefügt, Deko hinzugefügt, Kochrezepte angepasst

mods/futil/minetest/group.lua

@@ -0,0 +1,61 @@
+function futil.add_groups(itemstring, new_groups)
+	local def = minetest.registered_items[itemstring]
+	if not def then
+		error(("attempting to override unknown item %s"):format(itemstring))
+	end
+	local groups = table.copy(def.groups or {})
+	futil.table.set_all(groups, new_groups)
+	minetest.override_item(itemstring, { groups = groups })
+end
+
+function futil.remove_groups(itemstring, ...)
+	local def = minetest.registered_items[itemstring]
+	if not def then
+		error(("attempting to override unknown item %s"):format(itemstring))
+	end
+	local groups = table.copy(def.groups or {})
+	for _, group in ipairs({ ... }) do
+		groups[group] = nil
+	end
+	minetest.override_item(itemstring, { groups = groups })
+end
+
+function futil.get_items_with_group(group)
+	if futil.items_by_group then
+		return futil.items_by_group[group] or {}
+	end
+
+	local items = {}
+
+	for item in pairs(minetest.registered_items) do
+		if minetest.get_item_group(item, group) > 0 then
+			table.insert(items, item)
+		end
+	end
+
+	return items
+end
+
+function futil.get_item_with_group(group)
+	return futil.get_items_with_group(group)[1]
+end
+
+function futil.generate_items_by_group()
+	local items_by_group = {}
+
+	for item, def in pairs(minetest.registered_items) do
+		for group in pairs(def.groups or {}) do
+			local items = items_by_group[group] or {}
+			table.insert(items, item)
+			items_by_group[group] = items
+		end
+	end
+
+	futil.items_by_group = items_by_group
+end
+
+if INIT == "game" then
+	-- it's not 100% safe to assume items and groups can't change after this point.
+	-- but please, don't do that :\
+	minetest.register_on_mods_loaded(futil.generate_items_by_group)
+end