From 972e588d75bb6403c752deab6ae1fd67b3c6059b Mon Sep 17 00:00:00 2001
From: cinder <cinder@cinderblocks.biz>
Date: Mon, 10 Oct 2022 16:30:12 -0500
Subject: [PATCH] Pattern matching so hot right now

---
 .../MeshmerizerR.cs                                 |  3 +--
 LibreMetaverse/Messages/LindenMessages.cs           | 13 ++++---------
 LibreMetaverse/Permissions.cs                       |  3 +--
 LibreMetaverse/Primitives/ParticleSystem.cs         |  3 +--
 4 files changed, 7 insertions(+), 15 deletions(-)

diff --git a/LibreMetaverse.Rendering.Meshmerizer/MeshmerizerR.cs b/LibreMetaverse.Rendering.Meshmerizer/MeshmerizerR.cs
index d4a436ad..5056b63c 100644
--- a/LibreMetaverse.Rendering.Meshmerizer/MeshmerizerR.cs
+++ b/LibreMetaverse.Rendering.Meshmerizer/MeshmerizerR.cs
@@ -466,8 +466,7 @@ namespace OpenMetaverse.Rendering
             FacetedMesh ret = null;
             OSD meshOSD = Helpers.DecompressOSD(compressedMeshData);
 
-            OSDArray meshFaces = meshOSD as OSDArray;
-            if (meshFaces != null)
+            if (meshOSD is OSDArray meshFaces)
             {
                 ret = new FacetedMesh {Faces = new List<Face>()};
                 for (int faceIndex = 0; faceIndex < meshFaces.Count; faceIndex++)
diff --git a/LibreMetaverse/Messages/LindenMessages.cs b/LibreMetaverse/Messages/LindenMessages.cs
index ebf441a6..be2565f1 100644
--- a/LibreMetaverse/Messages/LindenMessages.cs
+++ b/LibreMetaverse/Messages/LindenMessages.cs
@@ -4345,8 +4345,7 @@ namespace OpenMetaverse.Messages.Linden
                 Scale = map["scale"].AsVector3();
 
                 // Extra params
-                OSDArray extraParams = map["extra_parameters"] as OSDArray;
-                if (extraParams != null)
+                if (map["extra_parameters"] is OSDArray extraParams)
                 {
                     ExtraParams = new ExtraParam[extraParams.Count];
                     for (int i = 0; i < extraParams.Count; i++)
@@ -4401,8 +4400,7 @@ namespace OpenMetaverse.Messages.Linden
                 ProfileEnd = (float)profile["end"].AsReal();
                 ProfileHollow = (float)profile["hollow"].AsReal();
 
-                OSDMap sculpt = shape["sculpt"] as OSDMap;
-                if (sculpt != null)
+                if (shape["sculpt"] is OSDMap sculpt)
                 {
                     SculptID = sculpt["id"].AsUUID();
                     SculptType = (SculptType)sculpt["type"].AsInteger();
@@ -4434,9 +4432,7 @@ namespace OpenMetaverse.Messages.Linden
 
         public void Deserialize(OSDMap map)
         {
-            OSDArray array = map["objects"] as OSDArray;
-
-            if (array != null)
+            if (map["objects"] is OSDArray array)
             {
                 Objects = new Object[array.Count];
 
@@ -4490,8 +4486,7 @@ namespace OpenMetaverse.Messages.Linden
         /// <param name="map">Incoming data to deserialize</param>
         public void Deserialize(OSDMap map)
         {
-            OSDArray array = map["ObjectData"] as OSDArray;
-            if (array != null)
+            if (map["ObjectData"] is OSDArray array)
             {
                 ObjectPhysicsProperties = new Primitive.PhysicsProperties[array.Count];
 
diff --git a/LibreMetaverse/Permissions.cs b/LibreMetaverse/Permissions.cs
index 283da10e..63eb4ba9 100644
--- a/LibreMetaverse/Permissions.cs
+++ b/LibreMetaverse/Permissions.cs
@@ -108,9 +108,8 @@ namespace OpenMetaverse
         public static Permissions FromOSD(OSD llsd)
         {
             Permissions permissions = new Permissions();
-            OSDMap map = llsd as OSDMap;
 
-            if (map != null)
+            if (llsd is OSDMap map)
             {
                 permissions.BaseMask = (PermissionMask)map["base_mask"].AsUInteger();
                 permissions.EveryoneMask = (PermissionMask)map["everyone_mask"].AsUInteger();
diff --git a/LibreMetaverse/Primitives/ParticleSystem.cs b/LibreMetaverse/Primitives/ParticleSystem.cs
index 421135b1..258d391e 100644
--- a/LibreMetaverse/Primitives/ParticleSystem.cs
+++ b/LibreMetaverse/Primitives/ParticleSystem.cs
@@ -460,9 +460,8 @@ namespace OpenMetaverse
             public static ParticleSystem FromOSD(OSD osd)
             {
                 ParticleSystem partSys = new ParticleSystem();
-                OSDMap map = osd as OSDMap;
 
-                if (map != null)
+                if (osd is OSDMap map)
                 {
                     partSys.CRC = map["crc"].AsUInteger();
                     partSys.PartFlags = map["part_flags"].AsUInteger();