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# PolyFlags

In the properties of a Brush, under Brush → PolyFlags you can give all surfaces of the brush default properties that override the Surface Flags (UT) in the Surface Properties window.

In PolyFlags you have to enter a number, what follows is a list of the meaning of all the numbers.

To give a brush two or more properties at the same time, you need to make the sum of the numbers of both properties. For example if you want a Translucent + TwoSided brush, you have to use the number 4 + 256 = 260.

After you entered the number you need to rebuild to see the change.

Here's the list. Flags with no effect are left out:

Flag | Name | Description
0 | Default | Use settings from Surface Properties for each individual surface of the brush.
1 | Invisible | All surfaces of the brush are invisible
2 | Masked | Use for palettized textures to make the first color in the palette (in Paint Shop Pro at least) invisible, see Color Blending
4 | Translucent | Darker parts of the textur become transparent, see Color Blending
16 | Force View Zone
64 | Modulated | Greyer parts of the texture become transparent, see Color Blending
128 | Fake Backdrop | Parallax SkyBox visible through surface
256 | Two Sided | Surfaces display their texture from both sides
512 | U-Pan | Texture moves in U direction, change speed in ZoneInfo or LevelInfo → ZoneLight
1024 | V-Pan | Texture moves in V direction, change speed in ZoneInfo or LevelInfo → ZoneLight
2048 | No Smooth | Square pixels
4096 | Special Poly | Doesn't do a lot
8192 | Small Wavy
32768 | Low Shadow Detail | Reduces shadow detail; in conjunction with High Shadow Detail (below), makes extra low shadow detail
262144 | Dirty Shadows
524288 | Bright Corners | No dark shadows at the edges of the surface
1048576 | Special Lit | Surface only gets light from Special Lit lights
2097152 | No Bounds Reject
4194304 | Unlit | Surface ignores lighting and is fullbright
8388608 | High Shadow Detail | Enhances shadow detail

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