From f8d9817911d182fa09cc5125e49abcb24de24b5a Mon Sep 17 00:00:00 2001
From: Wojtek Figat <wojtek@figat.pl>
Date: Mon, 19 Feb 2024 18:23:14 +0100
Subject: [PATCH] Fix terrain paint crash refression

---
 Source/Editor/Tools/Terrain/PaintTerrainGizmoMode.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Source/Editor/Tools/Terrain/PaintTerrainGizmoMode.cs b/Source/Editor/Tools/Terrain/PaintTerrainGizmoMode.cs
index 4e7925dd9..7d6af355a 100644
--- a/Source/Editor/Tools/Terrain/PaintTerrainGizmoMode.cs
+++ b/Source/Editor/Tools/Terrain/PaintTerrainGizmoMode.cs
@@ -48,6 +48,7 @@ namespace FlaxEditor.Tools.Terrain
                     if (DataPtr != IntPtr.Zero)
                         Marshal.FreeHGlobal(DataPtr);
                     DataPtr = Marshal.AllocHGlobal(size);
+                    Utils.MemoryClear(DataPtr, (ulong)size);
                     Size = size;
                 }
             }
@@ -294,7 +295,7 @@ namespace FlaxEditor.Tools.Terrain
             base.OnDeactivated();
 
             // Free temporary memory buffer
-            foreach (var splatmapData in _cachedSplatmapData)
+            foreach (ref var splatmapData in _cachedSplatmapData.AsSpan())
                 splatmapData.Free();
         }