Inventory and Crafting

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External Inventory of  Small Chest

Inventory and Crafting are part of a single whole in Medieval Engineers. Crafting cannot work without an inventory and so the screen is shared between them. In a technical sense, inventory works as a container with a number of slots. These slots can be filled with "inventory items" or stacks of inventory items. What exactly defines an inventory item and whether or not it stacks is more of a technical matter suited to modding than to how to use inventory. In a practical sense, nearly everything can be placed in inventory or broken down into something that can. Large Blocks, large trees, and the ground itself are examples of things that cannot be placed into inventory without modifying them in some way.

Items that can go into inventory can be picked up by aiming at them and pressing or holding . For most loose items, pressing will pick them up. For items attached to things, holding is usually required. These actions are not uniform for both technical and gameplay reasons. If you build a cart, you don't want to destroy it by accidentally tapping the wrong key.

Crafting, in the simplest terms, is a method of turning inventory items into other inventory items. Which items can be turned into other items is limited by which crafting recipes you have Researched and unlocked in your world. Crafting recipes are tied to specific Crafting Stations (blocks that craft items) or to the Character directly.

External Inventory

In addition to the personal inventory of the character, there are also external inventories. These exist for certain inventory blocks and NPCs. External inventories can be accessed by aiming at the block or NPC with the inventory and pressing . Usually, the block or NPC will have a highlight when you aim at it indicating that it is interactive.

When you access an external inventory you will see both your personal inventory in addition to the external inventory that you have accessed. You can transfer items between inventories using a few methods. The first and simplest method is by dragging items from one inventory to the other. This puts the item exactly where you drop it. You can also transfer items by double-clicking () on them. This put them in the first stack of like items, assuming it's not full, or in the first open slot available. This method is also not very complicated but it does have some drawbacks in crafting inventories.

There are other transfer options using modifier keys:

+ : Move all items of selected type to the next inventory.

+ : Move half of the item stack to the next inventory.

+ : Move one item from stack to the next inventory.

drag: Move half of the item stack.

+ drag: Drag an item and enter the amount to move.

These shortcuts can be viewed at any time in the game by clicking the symbol in an inventory screen.

Items can be dropped on the ground from the inventory using the drop button. Either drag the item to the button or select the item and click the button.

Personal Inventory and Crafting

Personal Inventory and Crafting Screen

You can access your personal inventory and crafting screen by pressing by default. When you do you will see the character's personal inventory on the right side. On the left side you will see the personal crafting screen. The character is able to craft some simple items unaided by a crafting station.

The crafting screen may appear complex at first sight but it is actually rather simple in its function. At the top left under "Select items to craft" there are crafting recipes that are available at this time. You may notice that some or all of them are red in color. This indicates that, although the recipe is unlocked, you lack sufficient resources in your inventory to craft the recipe.

If you click on a recipe you will see items appear in the "Requirements" section. These are the ingredients needed to craft the recipe. They also appear red in color if the ingredients are missing. Once you add all of the ingredients the Requirements and the recipe will no longer appear red. You can then click the Craft button to begin crafting the recipe. The required ingredients will be removed from your inventory and the recipe will show in the "Progress" box. You will notice that a brown highlight will begin filling the progress box from left to right. When the highlight reaches the right side the craft will be complete and the new item(s) will appear in your inventory. This basic progress is how all crafting is done.

You can cancel a craft that is in progress by using on the progress box. The requirements will be returned to the character's personal inventory.

There is a crafting queue at the bottom of the crafting screen. If you attempt to craft a recipe while another recipe is already in progress the second recipe will be added to the queue. If add a third recipe that is the same as the one in the queue it will stack on the queued recipe. If you add a recipe that differs from the one in the queue it will take a new slot in the queue. In this way, you can craft a large number of duplicates but only a total of five differing recipes at one time. Items in the queue can be removed by using upon them. There is no way to re-order the queue at this time. To change the crafting order, remove the recipes and add them again in the new order.

Like the inventory there are additional control options:

recipe: Add recipe to queue.

+ : Add recipe to queue 5 times.

+ : Add recipe to queue 10 times.

+ + : Add recipe to queue 15 times.

These modifiers also work for the craft button but only a single is required. This makes it faster when queing many items.

+ production queue: Remove one item from a queue stack.

These shortcuts can be viewed at any time in the game by clicking the symbol in a crafting screen.

External Inventory and Crafting

External Inventory and Crafting of  Crafting Table