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You can make a simple boolean action or a more complex 3D axis. Input Actions can be several different types that will determine their behavior.

You can add Input Listeners in either Blueprints or C++ when the Input Action's state changes. Each Input Action should represent something that the user can do, like "Crouch" or "Fire Weapon". Input Actions are the conceptual equivalent to Action and Axis mapping names, except they are data assets. Input Actions are the communication link between the Enhanced Input system and your project's code. The Enhanced Input system has four main concepts, Input Actions, Input Mapping Contexts, Input Modifiers, and Input Triggers. You can create input assets from the Content Browser, by clicking Add( +) and navigating to the Input category. While prone and you press CTRL you should stand back up.Įnhanced Input is enabled by default.

While sprinting and you press CTRL, then you should slide. While walking and you press the CTRL key, you should crouch. For each of those Character Movement types, you can swap the Mapping Context to have the CTRL key do different actions. You can change how certain inputs behave depending on the current state of the player.įor example, if you have a player character that can walk, sprint, and be prone. This makes it easier to manage a large number of Actions. When you use Enhanced Input you can add and remove Mapping Contexts at runtime for the player. This implements features like radial dead zones, chorded actions, contextual input, and prioritization, as well as the ability to extend your own filtering and processing of raw input data in an Asset-based environment. For Unreal Engine 5 (UE5) projects that require more advanced input features, like complex input handling or runtime control remapping, Enhanced Input provides developers with an upgrade path and backward compatibility from the default input system from Unreal Engine 4 (UE4).