factorio: award free samples to entire force

data/factorio/mod/lib.lua

@@ -0,0 +1,23 @@
+function filter_ingredients(ingredients)
+    local new_ingredient_list = {}
+    for _, ingredient_table in pairs(ingredients) do
+        if allowed_ingredients[ingredient_table[1]] then -- name of ingredient_table
+            table.insert(new_ingredient_list, ingredient_table)
+        end
+    end
+
+    return new_ingredient_list
+end
+
+function get_any_stack_size(name)
+    local item = game.item_prototypes[name]
+    if item ~= nil then
+        return item.stack_size
+    end
+    item = game.equipment_prototypes[name]
+    if item ~= nil then
+        return item.stack_size
+    end
+    -- failsafe
+    return 1
+end