Implements feature recipes

README.md

@@ -81,4 +81,5 @@ See [LICENSE.md](https://gitea.your-land.de/your-land/yl_canned_food_mtg/src/LIC
 
 ## Thank you
 
-* Styxcolor
+* Styxcolor
+* tour

feature_recipes.lua

@@ -1 +1,73 @@
--- recipes
+-- recipes integration
+
+if (yl_canned_food_mtg.settings.enable_recipes ~= true) then return false end
+
+local amount = 0
+
+local function group_has_member(group)
+    for itemname, _ in pairs(minetest.registered_items) do
+        if minetest.get_item_group(itemname, group) ~= 0 then
+            return true
+        end
+    end
+    return false
+end
+
+local itemcache = {}
+
+local vessel = "vessels:glass_bottle"
+
+itemcache[vessel] = true
+
+for _, recipe in ipairs(yl_canned_food_mtg.recipes) do
+    itemcache[recipe.out] = true
+
+    local ingredient = recipe.base_mod .. ":" .. recipe.base_item
+    itemcache[ingredient] = true
+
+    for _, additive in ipairs(recipe.additives) do
+        itemcache[additive] = true
+    end
+end
+
+local item_good = {}
+
+for item,_ in pairs(itemcache) do
+    local groupname = item:match("^group:(.*)")
+    if (groupname == nil) then
+        item_good[item] = (minetest.registered_items[item] ~= nil)
+    else
+        core.log("action","groupname="..dump(groupname))
+        item_good[item] = group_has_member(groupname)
+    end
+end
+
+for _, recipe in ipairs(yl_canned_food_mtg.recipes) do
+
+    local crafting = {}
+    -- vessel
+    table.insert(crafting, vessel)
+    -- additive
+    for _, additive in ipairs(recipe.additives) do
+        table.insert(crafting, additive)
+    end
+    -- ingredient
+    local ingredient = recipe.base_mod .. ":" .. recipe.base_item
+
+    for i = recipe.base_amount, 1, -1 do
+        table.insert(crafting, ingredient)
+    end
+    
+    if (item_good[vessel] ~= false) and (item_good[additive] ~= false) and (item_good[ingredient] ~= false) then
+        -- register the craft
+        minetest.register_craft({
+            output = recipe.out,
+            type = "shapeless",
+            recipe = crafting
+        })
+
+        amount = amount + 1
+    end
+end
+
+yl_canned_food_mtg.log("recipes integration: " .. dump(amount))