Resource Localization

The Basic Rule Unreal Engine 3 supports text localization with respective ini files for each language in the "Localization" folders. For binary data, localization is based on providing different versions of the same packages for each supported languages. Each language has its three letter code, and a package file for a certain language has to postfix its filename with the code. When the engine...

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Input Event Flow

If you ever tried to make a mod based on UTGame, you might have found in some situations you could not recieve user input in PlayerController. For example, when the pause menu pops up. This is because there are many layers of input handlers in UE. When an input handler receives an input event, the handler can capture it and prevent it from being processed by other handlers. Input Handler In UE,...

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Name vs. String

If you are new to UnrealScript, you may wonder what the difference between Names and Strings is and when you should use Names instead of Strings. This article will give you some information about that. Limitation   Names are unmodifiable. You can't cut down the string values of Names like Strings, but you can assign a Name variable to a new value. Names are restricted to up to 1024 characters,...

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Mouse Picking

This information is about how to get the objects a user pick in a scene.There are two ways provided by UE3 to get the picked objects: Hit Proxy and ray tracing. Hit Proxy works like OpenGL's selection mode. It is accurate but more expensive. Ray tracing is not that accurate because the collision shapes of objects may be not identical to their graphical shapes. However, you need a source code license...

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Sub-Archetype

Currectly there's no much information about sub-archetype on UDN, so I'd like to share some I know. An archetype is an instance of a centain class, its properties inherit the class default values but you can change them as you wish. If its property values do not change but the class default values do, the property values will change accordingly. If its property values change, then they will stick...

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Split Screen

Unreal Engine 3 inherently supports split screen up to 4 viewports for 4 local players. In GameViewportClient.uc, there is an enum named ESplitScreenType, which lists different layouts for different numbers of players. eSST_NONE eSST_2P_HORIZONTAL eSST_2P_VERTICAL ...

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Setting up a UnrealScript project in Visual Studio

nFringe is a plug-in for Visual Studio to support UnrealScript. It allows you to create UnrealScript projects, and it supports IntelliSense and the debugger in Visual Studio. It has a commercial license and a non-commercial one. You can register a non-commercial license without charge, and it allows you to use all functions with UDK. For a UnrealScript scripter using UDK, it is definitely worthy...

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