Some shit i dunno

Assets/measuregeneric/shaders/InteriorReflectionShader.shader

@@ -60,28 +60,12 @@ Shader "Custom/InteriorReflectionShader"
 
             fixed4 frag (v2f i) : SV_Target
             {
-                float3 worldViewDir = normalize(i.worldPos);
-                float3 worldNormal = normalize(i.worldNormal);
-                float3 worldRefl = normalize(reflect(-worldViewDir, worldNormal));
-
-                float3 scale = ((worldRefl > 0 ? unity_SpecCube0_BoxMax.xyz : unity_SpecCube0_BoxMin.xyz) - i.worldPos) / worldRefl;
-                float scaleMin = min(min(scale.x, scale.y), scale.z);
-                float3 uvw = worldRefl * scaleMin + (i.worldPos - unity_SpecCube0_ProbePosition.xyz);
-
-                // float4 sampleRefl = SAMPLE_TEXTURECUBE_LOD(unity_SpecCube0, samplerunity_SpecCube0, uvw, LOD);
-                // float3 specCol = DecodeHDREnvironment(sampleRefl, unity_SpecCube0_HDR);
-                half4 sampleRefl = UNITY_SAMPLE_TEXCUBE(unity_SpecCube0, uvw);
-                half3 specCol = DecodeHDR(sampleRefl, unity_SpecCube0_HDR);  // This is done becasue the cubemap is stored HDR
-                return half4(specCol, 1.0);
-
-/*
                 half3 worldViewDir = normalize(UnityWorldSpaceViewDir(i.worldPos));  // Direction of ray from the camera towards the object surface
                 half3 reflection = reflect(-worldViewDir, i.worldNormal);  // Direction of ray after hitting the surface of object
                 reflection = BoxProjectReflectionDir(i.worldPos, reflection);
                 half4 skyData = UNITY_SAMPLE_TEXCUBE(unity_SpecCube0, reflection);
                 half3 skyColor = DecodeHDR(skyData, unity_SpecCube0_HDR);  // This is done becasue the cubemap is stored HDR
                 return half4(skyColor, 1.0);
-*/
             }
             ENDCG
         }

Assets/measuregeneric/shaders/InteriorReflectionShader2.shader

@@ -0,0 +1,84 @@
+// Original code from https://gist.github.com/josephbk117/a43f5335cea9b3e12a44f196dc81f30f
+Shader "Custom/InteriorReflectionShader"
+{
+    Properties
+    {
+        _Glossiness ("Smoothness", Range(0,1)) = 0.8
+        _ReflectionProbePosition ("Reflection Probe Position", Vector) = (0,0,0,0)
+        _ReflectionProbeBoxMin ("Box Min", Vector) = (0,0,0,0)
+        _ReflectionProbeBoxMax ("Box Max", Vector) = (0,0,0,0)
+    }
+    SubShader
+    {
+        Tags { "RenderType"="Opaque" }
+        LOD 200
+
+        Pass
+        {
+            CGPROGRAM
+            #pragma vertex vert
+            #pragma fragment frag
+            #include "UnityCG.cginc"
+            #include "UnityStandardUtils.cginc"
+
+            struct appdata
+            {
+                float4 vertex : POSITION;
+                float3 normal : NORMAL;
+            };
+
+            struct v2f
+            {
+                float4 pos : SV_POSITION;
+                float3 worldNormal : TEXCOORD0;
+                float3 worldPos : TEXCOORD1;
+            };
+
+            float4 _ReflectionProbePosition;
+            float4 _ReflectionProbeBoxMin;
+            float4 _ReflectionProbeBoxMax;
+            half _Glossiness;
+
+            v2f vert (appdata v)
+            {
+                v2f o;
+                o.pos = UnityObjectToClipPos(v.vertex);
+                o.worldNormal = UnityObjectToWorldNormal(v.normal);
+                o.worldPos = mul(unity_ObjectToWorld, v.vertex).xyz;
+                return o;
+            }
+
+            float3 BoxProjectReflectionDir(float3 worldPos, float3 worldRefl)
+            {
+                // Calculate relative position within the box
+                float3 boxMin = _ReflectionProbeBoxMin.xyz;
+                float3 boxMax = _ReflectionProbeBoxMax.xyz;
+                float3 boxCenter = 0.5 * (boxMin + boxMax);
+                float3 boxSize = boxMax - boxMin;
+
+                float3 localPos = worldPos - boxCenter;
+                float3 absLocalRefl = abs(worldRefl);
+
+                // Scale the reflection vector based on which side of the box it hits
+                float3 scale = boxSize / absLocalRefl;
+                float scaleMin = min(min(scale.x, scale.y), scale.z);
+                return localPos + worldRefl * scaleMin;
+            }
+
+            fixed4 frag (v2f i) : SV_Target
+            {
+                // Get reflection vector
+                float3 worldViewDir = normalize(_WorldSpaceCameraPos - i.worldPos);
+                float3 worldRefl = reflect(worldViewDir, i.worldNormal);
+
+                // Apply box projection to the reflection vector
+                float3 projectedReflDir = BoxProjectReflectionDir(i.worldPos, worldRefl);
+                fixed4 reflectionColor = UNITY_SAMPLE_TEXCUBE(unity_SpecCube0, projectedReflDir);
+
+                return reflectionColor;
+            }
+            ENDCG
+        }
+    }
+    FallBack "Diffuse"
+}

Assets/measuregeneric/shaders/InteriorReflectionShader2.shader.meta

@@ -0,0 +1,9 @@
+fileFormatVersion: 2
+guid: c1a005edb69585b4d83df74c3c4c5ba3
+ShaderImporter:
+  externalObjects: {}
+  defaultTextures: []
+  nonModifiableTextures: []
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: