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====== Fluid, Item and Energy Transfer ======

==== Transactions ====
The Fabric Transfer API relies heavily on the concept of transactions.

  - [[tutorial:transfer-api/transactions|The Transaction system]]. Before looking at the details of how transfer works, we take a detour to discuss transactions.

==== The Fluid Transfer API ====
The Fabric Fluid Transfer API is how fluid-containing blocks such as machines, pipes, and tanks communicate with each other. It's what allows all mods to be compatible with each other as far as fluid transfer is concerned. (If you are coming from Forge, it serves a purpose similar to ''IFluidHandler'').

  - [[tutorial:transfer-api/simpletank|Creating a tank block entity]] walks you through how you can create a simple tank block entity, and what ''FluidVariant'' is.
  - [[tutorial:transfer-api/storage|Understanding Storage<FluidVariant>]] teaches what ''Storage<FluidVariant>'' is and how to use it.
  - [[tutorial:transfer-api/fluid_implementation|How to implement Storage<FluidVariant>]] provides an overview of the storage implementations provided by Fabric that you can use in your mods, with plenty of example code.

==== The Item Transfer API ====
The Fabric Item Transfer API is used by item-containing blocks such as chests, machines, or storage drawers to communicate with other. (If you are coming from Forge, it serves a purpose similar to ''IItemHandler'').
  - [[tutorial:transfer-api/item_storage|Item transfer with Storage<ItemVariant>]] explains how the item API is almost the same as the fluid API, how wrappers around Inventory/PlayerInventory can be retrieved, and how item storages can be implemented in practice.

//Note: the existing item transfer API in Minecraft should be avoided in fabric mods due to its severe limitations. If you don't know what this means, you can ignore this warning.//

==== Fluid-containing items ====
  - [Not finished] [[tutorial:transfer-api/fluid-containing-items|How to use and implement the fluid-containing item API]].

==== The TechReborn Energy API ====
  - [Not yet written] 1. [[tutorial:energy-blockentity|how to create an energy storage block entity]]