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Detail Props for CS2

Description​

Detail Props are non-solid models placed on environment blend shader materials automatically. Placement can be controlled using material blending.

On top of fading out at a distance they are rendered and culled directly on the GPU, which makes them suitable for dense foliage which otherwise would create too many drawcalls (this is how they are used on the CS2 Cache remake).

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I recommend downloading the example addon to follow along.

The Detail Props example created for this guide is posted on the workshop. A zip file of the raw Addon is also available here

A template for detail_prop_types with default values can be found at the bottom of this page.

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Usage​

A complete description and walkthrough of the file format can be found on the CS2 detail props vdata page.

Detail Prop Puddle Reduction​

When the wetness layer is enabled, You can reduce model placement with puddle blending.

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Seen below with detail type grass_detail , model placement is reduced by 0.50.

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Hammer5Tools​

Now you understand editing detail_prop_types.vdata. If you would prefer a 3rd party tool, one has been created by dertwist.

hammer5tools

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You can check out Hammer5Tools at their website or GitHub

Blank Template​

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A template of default values can be taken from below. Copy/Paste this to a new text file and save as detail_prop_types.vdata .

<!-- kv3 encoding:text:version{e21c7f3c-8a33-41c5-9977-a76d3a32aa0d} format:generic:version{7412167c-06e9-4698-aff2-e63eb59037e7} -->
{
	generic_data_type = "CDetailPropType"
	example_detail = 
	{
		m_flDensity = 1.0
		m_Models = 
		[
			
			{
				m_ModelName = resource_name:""
				m_MaterialGroup = ""
				m_flWeight = 1.0
				m_flStartFadeSize = 0.02
				m_flEndFadeSize = 0.0125
				m_bWorldSpaceOrientation = false
				m_flOrientToSurface = 1.0
				m_flMinSurfaceSlope = 0.0
				m_flMaxSurfaceSlope = 180.0
				m_flRandomVerticalOffsetMin = 0.0
				m_flRandomVerticalOffsetMax = 0.0
				m_vRandomRotationMin = 
				[
					0.000000,
					0.000000,
					0.000000,
				]
				m_vRandomRotationMax = 
				[
					0.000000,
					360.000000,
					0.000000,
				]
				m_flRandomScaleMin = 1.0
				m_flRandomScaleMax = 1.0
				m_flDensityMinScale = 1.0
				m_flBlendWeightMinScale = 1.0
				m_flBlendWeightMin = 0.25
				m_flBlendWeightMax = 1.0
				m_flBlendWeightFullDenstity = 0.75
				m_bCastStaticShadows = false
			}
		]
	}
}