In this tutorial you will learn everything you need to know in order to get started with UDK.
I've narrowed down this process to the core essentials in 22 steps. Best part, this will only take you 30 minutes to complete.
This tutorial is the updated version of "UDK Basics Getting Started in 11 Steps Parts 1-3" that were released in 2010.
Free PDF Tutorial Guide Download: The Essential Beginner's Guide to Getting Started with UDK
UPDATE: UDK Downloads are no longer available from Epic Games.
However, someone compiled a list of available download links here on the forums. I can't vouch for their validity but they are available for you to try.
Go through the process of installing and Launching UDK:
You have 2 options when you start your map in UDK.
1. Use available map templates that comes with UDK. This template contains all the necessary assets already inserted to start creating your world. Such as skybox, ground plane, light, fog, Lightmass Importance Volume and player start.
2. Start a blank new map that is completely empty.
Main working window is Perspective Viewport. To view 3 orthographic viewports - Top, Side and Front click on Restore Viewport icon at top right corner of the Perspective Viewport:
Use a shortcut key:
To make a viewport active, simply left click within a viewport to see yellow outline, then use Alt+X to maximize that viewport.
To change viewport configuration to something other than 2x2, go to View --> Viewport Configuration and choose from any of the available options such as 2x2 split, 1x2 split, 1x1 horizontal split or 1x1 vertical split.
To navigate around in the viewports.
Orthographic Viewports (Top, Side, Front):
Left Click on any object to select it.
Left click and drag on the XYZ axis gizmo to move, rotate or scale that object.
BSP are brushes that are created inside UDK. These are basic geometric shapes that are used to block in a level and to create large simple geometry such as floors, walls and ceiling.
BSP Brushes only, no Static Meshes
Static Meshes are 3d models that are created inside a 3d application (Maya, 3dsMax, Modo, Blender etc) and then imported into UDK.
Static Meshes and BSP Brushes
Basic workflow in UDK is:
BSP Brushes is what you will be using to block in the layout and judge spacing before replacing them with Static Meshes.
Static Meshes is what you will be using most of the time when constructing game environments in UDK. BSP Brushes will also be used in the final level for simple geometry such walls, floors and gaps between Static Meshes.
Content Browser is UDK's Content Management System.
Inside Content Browser you will find all available Static Meshes, Textures, Materials, Sounds, Animations, Particle Effects etc.
In order to use any actor listed above, you will need to access it through Content Browser.
To Open Content Browser, click on the icon in the main tool bar:
Or use a shortcut key:
Filter by Object Type:
Search for a specific object name in the search bar:
You will be using Content Browser a lot to look for Static Meshes, Materials, Sounds etc.
Each viewport contains 11 viewport viewing options. These 11 options are mainly used in the Perspective Viewport.
Each of the viewing options are specific to a process of working on your environment. So you may use Wireframe to check occlusion and rendering or Shader Complexity to optimize material use and rendering cost of materials.
Brush Wireframe (Alt+1): shows wireframe brushes
Wireframe (Alt+2): shows wireframe, will not allow brush selection
Unlit (Alt+3): no lights, makes navigation inside your Perspective Viewport a bit faster
Lit (Alt+4): full lights preview, game preview
Detail Lighting (Alt+5): detail lighting
Lighting Only (Alt+6): lighting only
Lighting Complexity (Alt+7): lighting complexity (used for optimization)
Texture Density (Alt+8): how complex are your textures in the scene (used for optimization)
Shader Complexity (Alt+9): how complex are your shaders in the scene (used for optimization)
Lightmap Density (Alt+0): lightmap resolution (used for optimization)
Lighting only with Texel Density (Alt+ -): lightmap resolution with lighting
When starting with UDK, focus on the first 5 or 6. From Brush Wireframe to Lighting Only.
The rest are more advanced and you can focus on these later, when you get more comfortable with UDK.
Start a Blank New Map, go to File --> New Level and choose Blank Map
Red Builder Brush is a template from which BSP Brushes or Volumes are created from. The Red Builder Brush is invisible in game.
To change the shape of the Builder Brush, use the Brushes Menu and left click on the shape icons that you want to change it to:
Right Click on Brushes Menu icons to bring up properties for that shape. Here you can change the settings and modify the Red Builder Brush before you add it into your level:
From the Red Builder Brush template, you can add that shape as a BSP Brush.
You can use the CSG Functions Menu to do so:
Or you can use shortcut keys to speed up that workflow:
Use Unlit Mode (Alt+3) to see bsp brushes, until you have added lights.
Selecting BSP Brushes:
You can use Wireframe Mode (Alt+1) to select BSP Brushes.
To delete BSP Brushes, select it using one of the options above and press Delete to remove it.
To See BSP Changes:
To see BSP Changes in Lit or Unlit mode, such as any BSP Brushes you modified or deleted, you need to Build Geometry.
Click on Build Geometry for Visible Levels icon:
Better option is to update the settings in UDK so you can see BSP Brush changes in real-time.
Geometry Mode (Shift+2):
Geometry Mode will allow you to modify already created BSP Brushes in your level. This menu is the ultimate workflow tool to modify your BSP Brushes.
Click on the Geometry Mode icon or press Shift+2 and select any BSP Brush you want to modify. You can even modify the Builder Brush:
Once enabled, you can select and modify vertices, faces or edges and change the shape of already created BSP Brushes:
Follow these steps to insert a Static Mesh:
Human reference scale will help you to judge proportion and scale of your level.
To insert a Human Reference Scale:
Auto-Save is enabled by default in UDK. This means that your map will be automatically saved for you at a specific interval.
You can keep this enabled and take advantage of Auto-Save option:
There are a couple of options for Auto-Save:
Go to View --> Change Autosave Options and choose Package Types to Autosave: this will auto-save Packages and Map Files (the difference between the two is explained in the next section):
Go to View --> Change Autosave Options and choose Autosave Interval: set the amount of time between auto-save your map:
I personally like to manually save my work. So I choose to keep this option off:
Note: For Auto-Save function to work, you have initially save your map.
To save your map, go to File --> Save As
Navigate and place your saved map files anywhere into Content Folder within UDK folder structure.
I usually save my map files inside Maps folder:
I also create another folder within Maps folder that is specific to a project.
There are 2 most common file types in UDK.
.UDK and .UPK
It is extremely important to keep your game environments and levels that you create on the grid. Grid Snaps and Grid Settings will help you do that. So, all of your BSP Brushes and Static Meshes should snap to the grid and to each other as you construct your worlds.
On the bottom right corner you have Drag Grid Option and Rotation Grid Option, Scale Grid:
Drop down menu for changing the grid:
Always work with grid snaps turned on. There are 3 grid snap options. Rotation, Drag and Scale Grid. In some cases for fine detail work you may need to turn it off.
Uncheck/check: turns on/off the drag/rotation/scale grids.
Character Height in UDK is 96 units tall:
Every level needs at least one Player Start.
In Perspective Viewport:
Play Test your map right from the editor. Here are the 3 options of doing so:
In Perspective Viewport - Right Click on the ground plane and choose Play From Here:
Press Alt+F8 to play in the viewport or click on the Play in Viewport icon inside the Perspective Viewport:
In the Main Top Toolbar, click on the Green Play icon 'Play this level in the editor window'. This will use the Player Start location to spawn you into your map:
At this stage, you need some sort of a working light to help you play test your level.
Insert a Point Light by Right Clicking --> Add Actor --> Add Light (Point):
Move the light up above your scene.
Double click on the light to open up its properties. Focus on the following settings:
Click on Build Lighting to see correct lighting preview. On top toolbar, click on Build Lighting:
You can now use Lit Mode (Alt+4) to preview your environment.
Here are Building Options that you need to know:
You may have noticed that when spawning into a map, you don't see Unreal Tournament Hud or any weapons.
To enable Hud and Weapons:
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