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Add shadow casting toggle to shaders

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Introduced an _EnableShadowCasting property to BlendinShader, LitParticles, and Water shaders, allowing shadow casting to be enabled or disabled via a material parameter. Updated shadow sampling logic to respect this toggle, and added related parameters and includes where necessary. Also added a Cull Mode property to BlendinShader for improved rendering control.
This commit is contained in:
DeMuenu
2025-10-02 16:03:25 +02:00
parent 8e740bd636
commit 6981c39859
3 changed files with 62 additions and 8 deletions
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9
Shader/LitParticles.shader
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@@ -10,7 +10,7 @@ Shader "DeMuenu/World/Hoppou/Particles/LitParticles"
_InverseSqareMultiplier ("Inverse Square Multiplier", Float) = 1
_LightCutoffDistance ("Light Cutoff Distance", Float) = 100
_EnableShadowCasting ("Enable Shadowcasting", Float) = 0
_BlurPixels ("Shadowcaster Blur Pixels", Float) = 0
//Moonlight END
@@ -106,6 +106,8 @@ Shader "DeMuenu/World/Hoppou/Particles/LitParticles"
float4 _Udon_shadowCasterTex_1_TexelSize; // xy = 1/width, 1/height
float4 _Udon_shadowCasterTex_2_TexelSize;
bool _EnableShadowCasting;
v2f vert (appdata v)
{
v2f o;
@@ -147,7 +149,7 @@ Shader "DeMuenu/World/Hoppou/Particles/LitParticles"
float4 ShadowCasterMult_1 = 1;
float4 ShadowCasterMult_2 = 1;
if (((_Udon_ShadowMapIndex[LightCounter] > 0.5) && (_Udon_ShadowMapIndex[LightCounter] < 1.5)) || (_Udon_ShadowMapIndex[LightCounter] > 2.5))
if (((_Udon_ShadowMapIndex[LightCounter] > 0.5) && (_Udon_ShadowMapIndex[LightCounter] < 1.5) && (_EnableShadowCasting > 0.5)) || (_Udon_ShadowMapIndex[LightCounter] > 2.5 && _EnableShadowCasting))
{
float4 sc1 = SampleShadowcasterPlaneWS_Basis(
_Udon_LightPositions[LightCounter].xyz, i.worldPos,
@@ -155,8 +157,7 @@ Shader "DeMuenu/World/Hoppou/Particles/LitParticles"
_Udon_shadowCasterTex_1, _Udon_OutSideColor_1, _Udon_shadowCasterColor_1, _BlurPixels, _Udon_shadowCasterTex_1_TexelSize.xy);
ShadowCasterMult_1 = max(sc1, _Udon_MinBrightnessShadow_1);
}
if (_Udon_ShadowMapIndex[LightCounter] > 1.5)
{
if (_Udon_ShadowMapIndex[LightCounter] > 1.5 && (_EnableShadowCasting > 0.5)) {
float4 sc2 = SampleShadowcasterPlaneWS_Basis(
_Udon_LightPositions[LightCounter].xyz, i.worldPos,
_Udon_Plane_Origin_2.xyz, _Udon_Plane_Uinv_2.xyz, _Udon_Plane_Vinv_2.xyz, _Udon_Plane_Normal_2.xyz,