43 lines
2.5 KiB
Markdown
43 lines
2.5 KiB
Markdown
---
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uid: input-system-installation
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---
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# Installation guide
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* [Installing the package](#installing-the-package)
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* [Enabling the new input backends](#enabling-the-new-input-backends)
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* [Installing samples](#installing-samples)
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This guide describes how to install and activate the Input System package for your Unity Project.
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>__Note__: The new Input System requires Unity 2019.4+ and the .NET 4 runtime. It doesn't work in projects using the old .NET 3.5 runtime.
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## Installing the package
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To install the new Input System, open Unity's package manager (menu: __Window > Package Manager__). Select the __Input System__ package from the list, then click __Install__.
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## Enabling the new input backends
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By default, Unity's classic Input Manager (`UnityEngine.Input`) is active and support for the new Input System is inactive. This allows existing Unity Projects to keep working as they are.
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When you install the Input System package, Unity will ask whether you want to enable the new backends. If you click **Yes**, Unity will enable the new backends and disable the old backends, and the Editor will restart.
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You can find the corresponding setting in the Player settings (menu: __Edit > Project Settings > Player__), under **Active Input Handling**. You can change this setting at any time. Doing so will restart the Editor.
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>**Note:** You can enable __both__ the old __and__ the new system at the same time. To do so, set **Active Input Handling** to **Both**.
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When the new input backends are enabled, the `ENABLE_INPUT_SYSTEM=1` C# `#define` is added to builds. Similarly, when the old input backends are enabled, the `ENABLE_LEGACY_INPUT_MANAGER=1` C# `#define` is added. Because both can be enabled at the same time, it is possible for __both__ defines to be 1 at the same time.
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## Installing samples
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The Input System package comes with a number of samples. You can install these directly from the Package Manager window in Unity (menu: __Window > Package Manager__). To see the list, select the Input System package in the Package Manager window. Click **Import into Project** next to a sample to copy it into the current Project.
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For a more comprehensive demo project for the Input System, see the [InputSystem_Warriors](https://github.com/UnityTechnologies/InputSystem_Warriors) GitHub repository.
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