mirror of
https://github.com/muskit/H3VR-TNH-Quality-of-Life-Improvements.git
synced 2026-06-03 04:34:26 -07:00
msk
248 lines
6.8 KiB
HLSL
Vendored
248 lines
6.8 KiB
HLSL
Vendored
// Alloy Physical Shader Framework
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// Copyright 2013-2017 RUST LLC.
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// http://www.alloy.rustltd.com/
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/////////////////////////////////////////////////////////////////////////////////
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/// @file Particle.cginc
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/// @brief Particles uber-header.
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/////////////////////////////////////////////////////////////////////////////////
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#ifndef ALLOY_SHADERS_FRAMEWORK_PARTICLE_CGINC
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#define ALLOY_SHADERS_FRAMEWORK_PARTICLE_CGINC
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#include "Assets/Alloy/Shaders/Config.cginc"
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#include "Assets/Alloy/Shaders/Framework/Utility.cginc"
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#include "HLSLSupport.cginc"
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#include "UnityCG.cginc"
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#include "UnityInstancing.cginc"
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#include "UnityLightingCommon.cginc"
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#include "UnityStandardUtils.cginc"
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#include "UnityShaderVariables.cginc"
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struct AVertexInput {
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float4 vertex : POSITION;
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float4 color : COLOR;
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float4 texcoords : TEXCOORD0;
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#ifdef A_PARTICLE_TEXTURE_BLEND_ON
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float texcoordBlend : TEXCOORD1;
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#endif
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#if defined(_RIM_FADE_ON) || defined(A_PARTICLE_LIGHTING_ON)
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half3 normal : NORMAL;
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#endif
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UNITY_VERTEX_INPUT_INSTANCE_ID
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};
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struct AFragmentInput {
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float4 vertex : SV_POSITION;
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float4 color : COLOR;
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float4 texcoords : TEXCOORD0;
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#ifdef _PARTICLE_EFFECTS_ON
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float2 uv_ParticleEffectMask1 : TEXCOORD1;
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float2 uv_ParticleEffectMask2 : TEXCOORD2;
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#endif
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UNITY_FOG_COORDS(3)
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#if defined(SOFTPARTICLES_ON) || defined(_DISTANCE_FADE_ON) || defined(VTRANSPARENCY_ON)
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float4 projPos : TEXCOORD4;
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#endif
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#if defined(_RIM_FADE_ON) || defined(A_PARTICLE_LIGHTING_ON)
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half3 normalWorld : TEXCOORD5;
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half4 viewDirWorld : TEXCOORD6;
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#endif
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#if defined(A_PARTICLE_LIGHTING_ON) || defined(VAPOR_TRANSLUCENT_FOG_ON)
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float4 positionWorld : TEXCOORD7;
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#endif
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#if defined(A_PARTICLE_LIGHTING_ON)
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half3 ambient : TEXCOORD8;
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#endif
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#ifdef A_PARTICLE_TEXTURE_BLEND_ON
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float blend : TEXCOORD9;
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#endif
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UNITY_VERTEX_INPUT_INSTANCE_ID
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};
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UNITY_DECLARE_DEPTH_TEXTURE(_CameraDepthTexture);
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half4 _TintColor;
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A_SAMPLER_2D(_MainTex);
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half _TintWeight;
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float _InvFade;
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#ifdef _PARTICLE_EFFECTS_ON
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A_SAMPLER_2D(_ParticleEffectMask1);
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A_SAMPLER_2D(_ParticleEffectMask2);
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#endif
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#ifdef _RIM_FADE_ON
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half _RimFadeWeight; // Expects linear-space values
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half _RimFadePower;
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#endif
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float _DistanceFadeNearFadeCutoff;
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float _DistanceFadeRange;
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AFragmentInput aMainVertexShader(
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AVertexInput v)
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{
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AFragmentInput o;
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UNITY_INITIALIZE_OUTPUT(AFragmentInput, o);
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UNITY_SETUP_INSTANCE_ID(v);
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UNITY_TRANSFER_INSTANCE_ID(v, o);
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o.vertex = UnityObjectToClipPos(v.vertex.xyz);
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#if defined(SOFTPARTICLES_ON) || defined(_DISTANCE_FADE_ON) || defined(VTRANSPARENCY_ON)
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o.projPos = ComputeScreenPos (o.vertex);
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COMPUTE_EYEDEPTH(o.projPos.z);
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#endif
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o.color = v.color;
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#ifndef A_VERTEX_COLOR_DEGAMMA_OFF
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o.color.rgb = aGammaToLinear(o.color.rgb);
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#endif
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o.texcoords.xy = A_TEX_TRANSFORM_SCROLL_SPIN(_MainTex, v.texcoords.xy);
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#ifdef _PARTICLE_EFFECTS_ON
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o.uv_ParticleEffectMask1 = A_TEX_TRANSFORM_SCROLL_SPIN(_ParticleEffectMask1, v.texcoords.xy);
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o.uv_ParticleEffectMask2 = A_TEX_TRANSFORM_SCROLL_SPIN(_ParticleEffectMask2, v.texcoords.xy);
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#endif
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#if defined(_RIM_FADE_ON) || defined(A_PARTICLE_LIGHTING_ON) || defined(VAPOR_TRANSLUCENT_FOG_ON)
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float4 positionWorld = mul(unity_ObjectToWorld, v.vertex);
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#endif
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#if defined(_RIM_FADE_ON) || defined(A_PARTICLE_LIGHTING_ON)
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o.normalWorld = UnityObjectToWorldNormal(v.normal);
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o.viewDirWorld.xyz = UnityWorldSpaceViewDir(positionWorld.xyz);
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#endif
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#if defined(A_PARTICLE_LIGHTING_ON) || defined(VAPOR_TRANSLUCENT_FOG_ON)
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o.positionWorld = positionWorld;
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#endif
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#ifdef A_PARTICLE_LIGHTING_ON
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// 1 Directional, 4 Point lights, and Light probes.
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o.ambient = _LightColor0.rgb * aDotClamp(_WorldSpaceLightPos0.xyz, o.normalWorld);
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o.ambient += aShade4PointLights(o.positionWorld.xyz, o.normalWorld);
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o.ambient += ShadeSHPerVertex(o.normalWorld, o.ambient);
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#endif
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#ifdef A_PARTICLE_TEXTURE_BLEND_ON
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o.texcoords.zw = A_TEX_TRANSFORM_SCROLL_SPIN(_MainTex, v.texcoords.zw);
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o.blend = v.texcoordBlend;
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#endif
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UNITY_TRANSFER_FOG(o,o.vertex);
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return o;
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}
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/// Controls how the particle is faded out based on scene intersection, rim,
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/// and camera distance.
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half aFadeParticle(
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AFragmentInput i)
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{
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half fade = 1.0h;
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UNITY_SETUP_INSTANCE_ID(i);
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#ifdef SOFTPARTICLES_ON
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float sceneZ = DECODE_EYEDEPTH(SAMPLE_DEPTH_TEXTURE_PROJ(_CameraDepthTexture, UNITY_PROJ_COORD(i.projPos)));
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float partZ = i.projPos.z;
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fade = saturate(_InvFade * (sceneZ - partZ));
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#endif
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#ifdef _DISTANCE_FADE_ON
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// Alpha clip.
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// cf http://wiki.unity3d.com/index.php?title=AlphaClipsafe
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fade *= saturate((i.projPos.z - _DistanceFadeNearFadeCutoff) / _DistanceFadeRange);
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#endif
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#ifdef _RIM_FADE_ON
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half3 normal = normalize(i.normalWorld);
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half3 viewDir = normalize(i.viewDirWorld.xyz);
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half NdotV = abs(dot(normal, viewDir));
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half bias = 1.0h - _RimFadeWeight;
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fade = aRimLight(fade, bias, _RimFadePower, 1.0h - NdotV);
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#endif
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return fade;
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}
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/// Applies transforming effects mask textures to the particle.
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half4 aParticleEffects(
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AFragmentInput i)
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{
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half4 color = tex2D(_MainTex, i.texcoords.xy);
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#ifdef A_PARTICLE_TEXTURE_BLEND_ON
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half4 color2 = tex2D(_MainTex, i.texcoords.zw);
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color = lerp(color, color2, i.blend);
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#endif
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color.rgb *= _TintWeight;
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#ifdef _PARTICLE_EFFECTS_ON
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color *= tex2D(_ParticleEffectMask1, i.uv_ParticleEffectMask1);
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color *= tex2D(_ParticleEffectMask2, i.uv_ParticleEffectMask2);
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#endif
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#ifdef A_PARTICLE_LIGHTING_ON
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color.rgb *= ShadeSHPerPixel(i.normalWorld, i.ambient, i.positionWorld);
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#endif
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return color;
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}
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half4 aParticleOutputBase(
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AFragmentInput i,
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half4 color)
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{
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UNITY_APPLY_FOG_COLOR(i.fogCoord, color, unity_FogColor);
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#if defined(VAPOR_TRANSLUCENT_FOG_ON)
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color = VaporApplyFog(i.positionWorld, color);
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#elif defined(VTRANSPARENCY_ON)
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color = VolumetricTransparencyBase(color, i.projPos);
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#endif
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color.rgb = aHdrClamp(color.rgb);
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return color;
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}
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half4 aParticleOutputAdd(
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AFragmentInput i,
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half4 color)
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{
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UNITY_APPLY_FOG_COLOR(i.fogCoord, color, A_BLACK4);
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#if defined(VAPOR_TRANSLUCENT_FOG_ON)
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color = VaporApplyFogAdd(i.positionWorld, color);
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#elif defined(VTRANSPARENCY_ON)
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color = VolumetricTransparencyAdd(color, i.projPos);
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#endif
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color.rgb = aHdrClamp(color.rgb);
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return color;
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}
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half4 aParticleOutputMultiply(
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AFragmentInput i,
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half4 color)
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{
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UNITY_APPLY_FOG_COLOR(i.fogCoord, color, A_WHITE4);
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#if defined(VAPOR_TRANSLUCENT_FOG_ON)
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color = VaporApplyFogFade(i.positionWorld, color, A_WHITE);
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#elif defined(VTRANSPARENCY_ON)
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// color = VolumetricTransparencyAdd(color, i.projPos);
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#endif
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color.rgb = aHdrClamp(color.rgb);
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return color;
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}
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#endif // ALLOY_SHADERS_FRAMEWORK_PARTICLE_CGINC
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