DB/DecalProperties

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AreaTriggers have two textures imposed upon one another. The relationship between the top and bottom texture can be treated like a donut, where the top is the interior, and the bottom is the donut itself.

Images contained in this album may assist with how some of the attributes behave when changed: https://imgur.com/a/1TqbAHx

Structure (8.3.5)

Column	Field	Type	Notes
1	ID	Integer	Linked by AreaTrigger decalPropertiesId
2	FileDataID	iRefID
3	TopTextureBlendSetID	iRefID
4	BotTextureBlendSetID	iRefID
5	modX	Float
6	InnerRadius	Float	Inverse of how harshly BotTextureBlendSetID intrudes upon the TopTextureBlendSetID. At 0, there is a sharp cutoff.
7	OuterRadius	Float	Inverse of how harshly TopTextureBlendSetID applies on top of BotTextureBlendSetID. This controls the overall size of the areatrigger texture.
8	Rim	Float	Controls the size of the areatrigger texture by ensuring that the donut outer radius does not change.
9	Gain	Float	Controls how harshly the TopTextureBlendSetID spreads onto the normal textures around it. At 0 there is a sharp cutoff.
10	Flags	Bitmask	Behaviour properties of the decal. Flags 4 makes the texture colour change depending on camera angle - looking down on it is darker than from ground level. Flags 8 makes the bottom texture disappear.
11	Scale	Float
12	FadeIn	Float	Self explanatory. 0 for instant.
13	FadeOut	Float	Self explanatory. 0 for instant.
14	Priority	Int
15	BlendMode	Int	Controls how TopTextureBlendSet applies onto terrain. Type 0 and 2 is overwrite, Type 1 only works without BottomTextureBlendSet and
16	GameFlags	Int
17	CasterDecalProperties	Int
18	ArbitraryBoxHeight	Float