1 files changed, 84 insertions, 0 deletions
diff --git a/VRCSDK3Worlds/Assets/MeshBaker/scripts/TextureBlenders/TextureBlenderMaterialPropertyCacheHelper.cs b/VRCSDK3Worlds/Assets/MeshBaker/scripts/TextureBlenders/TextureBlenderMaterialPropertyCacheHelper.cs
new file mode 100644
index 00000000..ebaf3cba
--- /dev/null
+++ b/VRCSDK3Worlds/Assets/MeshBaker/scripts/TextureBlenders/TextureBlenderMaterialPropertyCacheHelper.cs
@@ -0,0 +1,84 @@
+using UnityEngine;
+using System.Collections;
+using System.Collections.Generic;
+using System;
+
+namespace DigitalOpus.MB.Core
+{
+    public class TextureBlenderMaterialPropertyCacheHelper
+    {
+        private struct MaterialPropertyPair
+        {
+            public Material material;
+            public string property;
+
+            public MaterialPropertyPair(Material m, string prop)
+            {
+                material = m;
+                property = prop;
+            }
+
+            public override bool Equals(object obj)
+            {
+                if (!(obj is MaterialPropertyPair)) return false;
+                MaterialPropertyPair b = (MaterialPropertyPair)obj;
+                if (!material.Equals(b.material)) return false;
+                if (property != b.property) return false;
+                return true;
+            }
+
+            public override int GetHashCode()
+            {
+                return base.GetHashCode();
+            }
+        }
+
+        private Dictionary<MaterialPropertyPair, object> nonTexturePropertyValuesForSourceMaterials = new Dictionary<MaterialPropertyPair, object>();
+
+        private bool AllNonTexturePropertyValuesAreEqual(string prop)
+        {
+            bool foundFirst = false;
+            object firstVal = null;
+            foreach (MaterialPropertyPair k in nonTexturePropertyValuesForSourceMaterials.Keys)
+            {
+                if (k.property.Equals(prop))
+                {
+                    if (!foundFirst)
+                    {
+                        firstVal = nonTexturePropertyValuesForSourceMaterials[k];
+                        foundFirst = true;
+                    }
+                    else
+                    {
+                        if (!firstVal.Equals(nonTexturePropertyValuesForSourceMaterials[k]))
+                        {
+                            return false;
+                        }
+                    }
+                }
+            }
+            return true;
+        }
+
+        public void CacheMaterialProperty(Material m, string property, object value)
+        {
+            nonTexturePropertyValuesForSourceMaterials[new MaterialPropertyPair(m, property)] = value;
+        }
+
+        public object GetValueIfAllSourceAreTheSameOrDefault(string property, object defaultValue)
+        {
+            if (AllNonTexturePropertyValuesAreEqual(property))
+            {
+                foreach (MaterialPropertyPair k in nonTexturePropertyValuesForSourceMaterials.Keys)
+                {
+                    if (k.property.Equals(property))
+                    {
+                        return nonTexturePropertyValuesForSourceMaterials[k];
+                    }
+                }
+            }
+
+            return defaultValue;
+        }
+    }
+}
+\ No newline at end of file