Emergency Hotfix

Emergency hotfix because I uploaded the wrong file
Small modification to restir GI temporal to use plane distance

Author: Pjbomb2

TrueTrace.unitypackage

@@ -19,7 +19,7 @@ MonoBehaviour:
   UseRussianRoulette: 1
   UseNEE: 1
   DoTLASUpdates: 1
-  Accumulate: 1
+  Accumulate: 0
   PPBloom: 0
   BloomStrength: 0.805
   PPDoF: 0
@@ -36,7 +36,7 @@ MonoBehaviour:
   ReSTIRGIUpdateRate: 7
   UseReSTIRGITemporal: 1
   UseReSTIRGISpatial: 1
-  UseReSTIRGI: 0
+  UseReSTIRGI: 1
   ReSTIRGISpatialCount: 24
   ReSTIRGISpatialRadius: 50
   ReSTIRGITemporalMCap: 32

TrueTrace/DemoScene.asset

@@ -5,6 +5,8 @@
 
 float4x4 CamToWorld;
 float4x4 CamInvProj;
+float4x4 CamToWorldPrev;
+float4x4 CamInvProjPrev;
 
 float4x4 ViewMatrix;
 int MaxBounce;
@@ -556,6 +558,19 @@ inline SmallerRay CreateCameraRay(float2 uv) {
     return CreateRay(origin, direction);
 }
 
+inline SmallerRay CreateCameraRayPrev(float2 uv) {
+    // Transform the camera origin to world space
+    float3 origin = mul(CamToWorldPrev, float4(0.0f, 0.0f, 0.0f, 1.0f)).xyz;
+
+    // Invert the perspective projection of the view-space position
+    float3 direction = mul(CamInvProjPrev, float4(uv, 0.0f, 1.0f)).xyz;
+    // Transform the direction from camera to world space and normalize
+    direction = mul(CamToWorldPrev, float4(direction, 0.0f)).xyz;
+    direction = normalize(direction);
+
+    return CreateRay(origin, direction);
+}
+
 inline float2 AlignUV(float2 BaseUV, const float4 TexScale, const int2 TexDim2, float Rotation = 0, bool IsAlbedo = false) {
 	if(TexDim2.x <= 0) return -1;
 	float4 TexDim;

TrueTrace/Resources/MainCompute/CommonData.cginc

@@ -131,6 +131,7 @@ void ReSTIRGIKernel(uint3 id : SV_DispatchThreadID, uint3 id2 : SV_GroupThreadID
     const float3 GeomNorm = i_octahedral_32(asuint(GBuffer.x));
     const float3 SurfNorm = i_octahedral_32(asuint(GBuffer.y));
     float3 PrimaryHitPosition = LoadSurfaceInfo(id.xy);
+    const float3 DirectionalPosition = GBuffer.z * CameraRay.direction + CameraRay.origin;
 
     ColData CenterCol = GlobalColors[pixel_index];
     float4 Data = CenterCol.Data;
@@ -211,7 +212,9 @@ void ReSTIRGIKernel(uint3 id : SV_DispatchThreadID, uint3 id2 : SV_GroupThreadID
     if(UseReSTIRGITemporal && (!RetracedSample)) {
         float dist_depth = (abs(GBuffer.z - PrevGBuffer.z)) / abs(GBuffer.z);
         float dot_geo_normals = dot(GeomNorm, i_octahedral_32(asuint(PrevGBuffer.x)));
-        if ((dist_depth < 0.1f && dot_geo_normals > 0.7) && Case != 3 && IsTemporalValid) {
+        SmallerRay NeighborRay = CreateCameraRayPrev(prevIndex / float2(screen_width, screen_height) * 2.0f - 1.0f);
+        float3 ray = (PrevGBuffer.z * NeighborRay.direction + NeighborRay.origin) - DirectionalPosition; 
+        if ((abs(dot(GeomNorm, ray)) < 0.1f && dot_geo_normals > 0.7) && Case != 3 && IsTemporalValid) {
             // if(PrevRes.z != 0 || ggx_distribution(dot(normalize(-normalize(CalcPos(WorldPosB[prevIndex]) - PrimaryHitPosition) + CameraRay.direction), SurfNorm), clamp(SurfaceMat.roughness, 0.089 * 0.089, 1.0)) > 0.1f * randomNEE(126, pixel_index).y) {
                 UpdateReservoir(CurrentRes, wsum, PrevRes, randomNEE(126, pixel_index).x, CachedID, prevIndex);
                 CurrentRes.x += PrevRes.x;

TrueTrace/Resources/MainCompute/ReSTIRGI.compute

@@ -440,7 +440,8 @@ private void SetBool(string Name, bool IN) {
             GenerateShader.SetBool(Name, IN);
             ReSTIRGI.SetBool(Name, IN);
         }
-
+        Matrix4x4 CamInvProjPrev;
+        Matrix4x4 CamToWorldPrev;
         Vector3 PrevPos;
         private Vector2 HDRIParams = Vector2.zero;
         private void SetShaderParameters(CommandBuffer cmd)
@@ -468,8 +469,14 @@ private void SetShaderParameters(CommandBuffer cmd)
             ShadingShader.SetComputeBuffer(TransferKernel, "BufferData", CurBounceInfoBuffer);
             ShadingShader.SetComputeBuffer(ShadeKernel, "BufferData", CurBounceInfoBuffer);
 
+            var EA = CamToWorldPrev;
+            var EB = CamInvProjPrev;
+            CamInvProjPrev = _camera.projectionMatrix.inverse;
+            CamToWorldPrev = _camera.cameraToWorldMatrix;
             SetMatrix("CamInvProj", _camera.projectionMatrix.inverse);
             SetMatrix("CamToWorld", _camera.cameraToWorldMatrix);
+            SetMatrix("CamInvProjPrev", EB);
+            SetMatrix("CamToWorldPrev", EA);
             SetMatrix("ViewMatrix", _camera.worldToCameraMatrix);
             var E = _camera.transform.position - PrevPos;
             SetVector("Up", _camera.transform.up, cmd);

TrueTrace/Resources/RayTracingMaster.cs

@@ -68,4 +68,72 @@
     <Rotation>0</Rotation>
     <Flags>0</Flags>
   </RayObjectDatas>
+  <RayObjectDatas>
+    <ID>0</ID>
+    <MatName>Glass</MatName>
+    <OptionID>1</OptionID>
+    <TransCol>
+      <x>0</x>
+      <y>0</y>
+      <z>0</z>
+    </TransCol>
+    <BaseCol>
+      <x>1</x>
+      <y>1</y>
+      <z>1</z>
+    </BaseCol>
+    <MetRemap>
+      <x>0</x>
+      <y>1</y>
+    </MetRemap>
+    <RoughRemap>
+      <x>0</x>
+      <y>1</y>
+    </RoughRemap>
+    <Emiss>0</Emiss>
+    <EmissCol>
+      <x>1</x>
+      <y>1</y>
+      <z>1</z>
+    </EmissCol>
+    <Rough>0</Rough>
+    <IOR>1.33</IOR>
+    <Met>0</Met>
+    <SpecTint>0</SpecTint>
+    <Sheen>0</Sheen>
+    <SheenTint>0</SheenTint>
+    <Clearcoat>0</Clearcoat>
+    <ClearcoatGloss>0</ClearcoatGloss>
+    <Anisotropic>0</Anisotropic>
+    <Flatness>0</Flatness>
+    <DiffTrans>0</DiffTrans>
+    <SpecTrans>1</SpecTrans>
+    <FollowMat>false</FollowMat>
+    <ScatterDist>0</ScatterDist>
+    <Spec>0</Spec>
+    <AlphaCutoff>0.1</AlphaCutoff>
+    <NormStrength>1</NormStrength>
+    <Hue>0</Hue>
+    <Saturation>1</Saturation>
+    <Brightness>1</Brightness>
+    <Contrast>1</Contrast>
+    <BlendColor>
+      <x>1</x>
+      <y>1</y>
+      <z>1</z>
+    </BlendColor>
+    <BlendFactor>0</BlendFactor>
+    <MainTexScaleOffset>
+      <x>1</x>
+      <y>1</y>
+      <z>0</z>
+      <w>0</w>
+    </MainTexScaleOffset>
+    <SecondaryTextureScale>
+      <x>1</x>
+      <y>1</y>
+    </SecondaryTextureScale>
+    <Rotation>0</Rotation>
+    <Flags>0</Flags>
+  </RayObjectDatas>
 </RayObjs>