mirror of
https://github.com/muskit/H3VR-TNH-Quality-of-Life-Improvements.git
synced 2026-06-03 04:34:26 -07:00
msk
65 lines
1.7 KiB
HLSL
Vendored
65 lines
1.7 KiB
HLSL
Vendored
// Alloy Physical Shader Framework
|
|
// Copyright 2013-2017 RUST LLC.
|
|
// http://www.alloy.rustltd.com/
|
|
|
|
/////////////////////////////////////////////////////////////////////////////////
|
|
/// @file Puddles.cginc
|
|
/// @brief Handles all puddle material effects.
|
|
/////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef ALLOY_SHADERS_FEATURE_PUDDLES_CGINC
|
|
#define ALLOY_SHADERS_FEATURE_PUDDLES_CGINC
|
|
|
|
#if !defined(A_PUDDLES_ON) && defined(_PUDDLES_ON)
|
|
#define A_PUDDLES_ON
|
|
#endif
|
|
|
|
#include "Assets/Alloy/Shaders/Framework/Feature.cginc"
|
|
|
|
#ifdef A_PUDDLES_ON
|
|
A_SAMPLER_2D(_PuddlesRippleTex);
|
|
|
|
// Mask
|
|
|
|
half _PuddlesWeight;
|
|
|
|
half _PuddlesRippleWeight;
|
|
|
|
// Wetness
|
|
|
|
// Wet Tint
|
|
|
|
// Wet roughness.
|
|
|
|
half _PuddlesLevel;
|
|
|
|
// Puddle Roughness
|
|
#endif
|
|
|
|
void aPuddles(
|
|
inout ASurface s)
|
|
{
|
|
#ifdef A_PUDDLES_ON
|
|
half mask = _PuddlesWeight * s.vertexColor.a * s.mask;
|
|
|
|
// Physically-based puddles.
|
|
// cf https://seblagarde.wordpress.com/2013/01/03/water-drop-2b-dynamic-rain-and-its-effects/
|
|
|
|
// Wetness
|
|
|
|
// Unity uses a Left-handed axis, so it requires clumsy remapping.
|
|
//const half3x3 yTangentToWorld = half3x3(A_AXIS_X, A_AXIS_Z, s.vertexNormalWorld);
|
|
//float2 rippleUv = A_TEX_TRANSFORM_SCROLL(_RippleTex, s.positionWorld.xz);
|
|
//half3 ripples = lerp(A_FLAT_NORMAL, tex2D(_RippleTex, rippleUv) * 2.0h - 1.0h, _PuddlesRippleWeight);
|
|
|
|
//ripples = mul(ripples, yTangentToWorld);
|
|
//ripples = aWorldToTangent(s, ripples);
|
|
|
|
//half puddles = _PuddlesLevel * mask;
|
|
|
|
//s.normalTangent = A_NT(s, normalize(lerp(s.normalTangent, ripples, puddles)));
|
|
#endif
|
|
}
|
|
|
|
#endif // ALLOY_SHADERS_FEATURE_PUDDLES_CGINC
|