View source for Applying Textures

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{{first room menu}}
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In this section we will select [[texture]]s for the walls, floor, and ceiling.

== The Texture Browser ==

The '''[[Hammer_Texture_Browser|Texture Browser]]''' is used to view and select textures (or more accurately [[materials]]) that you want to apply to [[brush]]es in your map. The active texture is displayed in a box on the right side of the Hammer interface.

To open the texture browser, click the '''Browse...''' button in the Texture group on the right side of the Hammer interface:

[[File:hammer_texturebrowser1.png|thumb|none|Click the '''Browse...''' button to open the Texture Browser.]]

; Thumbnail size
: To ease the browsing of textures, you may wish to adjust the textures’ preview size: in the lower left corner of the texture browser window, select “128×128” from the “Size” drop-down menu. This will reduce the size of the texture samples, so that we can see more at once.
: [[File:Hammer texturebrowserSize.png|frame|none|Changing thumbnail size.]]
; Filtering the gallery
: In most games the texture browser hosts thousands of items. Navigating to the exact texture you want to use would be problematic were it not for [[Hammer Texture Browser#Filter|filtering]].  This feature allows you to search for parts of file names. You can use spaces to split your filter in multiple terms, such as “concrete wall”, “plaster ceiling”, or “metal door” (don’t include the quote marks).
: To show the entire list of textures again, open the Texture Browser, select the text in the filter field and press {{key|Backspace}} or {{key|Delete}} to delete it.
; Dev Textures
: Source comes with a number of textures specifically designed to help you create brushes in proportion to the player. They are called “dev textures”, for “development”, and can be found by filtering for “dev”.
: 
Find and double-click <code>dev/dev_measurewall01a</code>.
[[File:Devbrowser.PNG‎|frame|none|Selecting the dev_measurewall1101a texture]]

== Applying textures ==

With a texture selected, it now has to be a applied to a brush.

# Activate the {{hammer select}}.
# Highlight the wall you wish to texture by clicking on it in the Camera view. If you select one of the walls and it selects the whole room, either change the upper-right “Select” setting from “Groups” to “Objects”, or [[Hammer Tools Menu#Group and Ungroup .3CCtrl.2BG.3E and .3CCtrl.2BU.3E|Ungroup]] the brushes.
# Click the '''[[Hammer Map Tools Toolbar#Apply Current Texture|Apply Current Texture]]''' button [[File:Hammer_ApplyCurrentTexture.png|28px]] from the left panel to apply the active texture to the selected brush.

[[File:Hammer appliedTextureExample.png|thumb|none|<code>dev_measurewall01a</code> in action.]]

== Adjusting textures ==

A newly-applied texture may not fit properly on a brush. Using the [[Hammer Map Tools Toolbar#Toggle Texture Application|Toggle Texture Application tool]] [[File:Hammer_ToggleTextureApplication.png|28px]], you can adjust it so that it does.

Because the dimensions of our wall are both powers of two (1024 and 512), every texture will fit evenly. However, we can still see some changes by altering the settings in the [[Hammer Face Edit Dialog|Face Edit Dialog.]] that has appeared:

[[File:Hammer faceeditdialog.png|250px|thumb|right|link=Hammer Face Edit Dialog|The Face Edit Dialog]]

; Texture Scale
: Adjusts the size of the texture. A value of “1” maps one texture pixel onto one [[unit]]. Negative numbers mirror the texture.
; Texture Shift
: Moves the texture along the X or Y axis. Positive numbers move the texture left (X axis) and down (Y axis). Negative numbers move the texture right (X axis) and up (Y axis).
; Current Texture
: Changes the applied texture on the surface. {{tip|With the face edit sheet open you can right-click on any surface to apply the current texture to it. [[Hammer Face Edit Dialog#”Right-Click” Texture Application|More details here.]]}}
; Lightmap Scale
: Affects how light effects apply to the surface. Smaller numbers are higher resolution and produce more expensive lighting effects. Larger numbers are lower resolution and produce cheaper lighting effects. See also [[Lightmap]].
; Rotation
: Rotates the texture on the brush face.
; Justify
: Snaps the texture’s position to a specified position on the wall. '''L'''eft, '''R'''ight, '''T'''op, '''B'''ottom and '''C'''enter. Finally, “Fit” squashes the entire texture onto the surface.
: Checking the “Treat as one” box will make Hammer consider all selected faces as one continuous item. This is useful when fitting a texture across multiple surfaces.
; Align
: Specifies how the texture is projected onto the face. [[Texture alignment#World Alignment|World alignment]] applies textures along the global x, y, or z axis. [[Texture alignment#Face Alignment|Face alignment]] applies the texture directly onto the face no matter which way it faces.
; Mode
: Allows you to select what will happen when you click on a brush face with the left mouse button.

Apply the same texture to the remaining three walls, and using the same process apply a dev texture to the ceiling and the floor.

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