Spherical sky for Map creators

Place env_sky.fgd to Garrysmod/bin/. Then goto Hammer++, Tools -> Options -> Game Data files: -> Add env_sky.fgd.

Params of env_sky:

• Static Sky Textue (staticskytexpath) — Set static sky texture which will be shown if static mode enabled.
• Sky Brightness Scale (brightness) — Defines how bright the sky is.

Spherical sky for Addon creators

You can add your sky texture to this addon, using config hook:

hook.Add("ConfigSphericalSky", "MySkyConfig", function()
	return {
		"sky/qwantani_dusk_2_puresky_4k";
		-- add your name skybox here
	}
end)

Config your Sphere sky texture

Use a texture flags: Clamp T, Clamp S, No MipMaps, No Lod.
Save Sky texture as RGB888 or RGBA16161616/RGBA16161616F texture. Not use DXT1 or DXT5 for sky texture. This cause banding.
You can save HDR textures on Source, using MareTF VTF Editor.

Addon features

• Both full size sphere support and half size skydome auto support.
• Water reflection support.

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Addon link to workshop: https://steamcommunity.com/sharedfiles/filedetails/?id=3731958150
Supported sky textures addons/games:

• Military Conflict: Vietnam
• DOOM 2016 Skydome
• BF1 Skydomes
• Infinite Stratos Skydome (Prop)

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UV calculations taken from Dmitrex white paper. Icon of env_sky taken from Military Conflict: Vietnam game, as a few params of this entity.

Links:

• Military Conflict: Vietnam
• Enhancing the looks of Source™ Engine in Military Conflict: Vietnam by Dmitriy Andreev