Storing items in inventory

craft.lua

@@ -26,6 +26,62 @@ local slot_map = {
     9,10,11
 }
 
+-- local function read_chest_contents()
+--     local size = inventory.getInventorySize(sides.forward)
+--     for slot = 1, size do
+--         local stack = inventory.getStackInSlot(sides.forward, slot)
+--         if stack then
+--             if stack.name == item then
+--                 inventory.suckFromSlot(sides.forward, slot, 1)
+--                 return true
+--             end
+--         end
+--     end
+-- end
+
+-- store the item in the selected slot into the facing inventory
+local function store_item()
+-- check if that item is present in the inventory
+    local item = inventory.getStackInInternalSlot()
+
+    local size = inventory.getInventorySize(sides.forward)
+    local empty_slot = -1
+    for slot = 1, size do
+        local stack = inventory.getStackInSlot(sides.forward, slot)
+        if stack then
+            if stack.name == item.name then
+                inventory.dropIntoSlot(sides.forward, slot)
+                -- check if all items have been stored
+                local remaining = inventory.getStackInInternalSlot()
+                if not remaining then
+                    print('Stored successfully')
+                    return true
+                end
+            end
+        else
+            if empty_slot == -1 then
+                empty_slot = slot
+            end
+        end
+    end
+
+    -- item not present in inventory
+    if empty_slot ~= -1 then
+        -- store in first empty slot
+        local result, error = inventory.dropIntoSlot(sides.forward, empty_slot)
+        if not result then
+            print('Cannot store item: ' .. error .. "\n")
+            return false
+        else
+            print('Stored successfully')
+            return true
+        end
+    else
+        print('Cannot store item - Inventory full')
+        return false
+    end
+end
+
 -- Search the facing chest for "item" and take "count" items and place them in "slot"
 -- Returns number of items fetched
 local function fetch_item(item, output_slot)
@@ -75,4 +131,5 @@ end
 --     return
 -- end
 
-craft_recipe(iron_pickaxe_recipe)
+-- craft_recipe(iron_pickaxe_recipe)
+store_item()