Allow reimporting model prefabs from Content window context menu

The Spatial Sort version was being too greedy when merging vertices

.lfsconfig

@@ -1,4 +1,4 @@
 # Redirect to our own Git LFS server
 [lfs]
 #url="https://gitlab.flaxengine.com/flax/flaxengine.git/info/lfs"
-locksverify = false
+locksverify = false

Content/Editor/MaterialTemplates/Features/ForwardShading.hlsl

@@ -16,7 +16,6 @@
 #include "./Flax/ExponentialHeightFog.hlsl"
 @2// Forward Shading: Constants
 LightData DirectionalLight;
-LightShadowData DirectionalLightShadow;
 LightData SkyLight;
 ProbeData EnvironmentProbe;
 ExponentialHeightFogData ExponentialHeightFog;
@@ -26,9 +25,9 @@ LightData LocalLights[MAX_LOCAL_LIGHTS];
 @3// Forward Shading: Resources
 TextureCube EnvProbe : register(t__SRV__);
 TextureCube SkyLightTexture : register(t__SRV__);
-Texture2DArray DirectionalLightShadowMap : register(t__SRV__);
+Buffer<float4> ShadowsBuffer : register(t__SRV__);
+Texture2D<float> ShadowMap : register(t__SRV__);
 @4// Forward Shading: Utilities
-DECLARE_LIGHTSHADOWDATA_ACCESS(DirectionalLightShadow);
 @5// Forward Shading: Shaders
 
 // Pixel Shader function for Forward Pass
@@ -80,11 +79,8 @@ void PS_Forward(
 
 	// Calculate lighting from a single directional light
 	float4 shadowMask = 1.0f;
-	if (DirectionalLight.CastShadows > 0)
-	{
-		LightShadowData directionalLightShadowData = GetDirectionalLightShadowData();
-		shadowMask.r = SampleShadow(DirectionalLight, directionalLightShadowData, DirectionalLightShadowMap, gBuffer, shadowMask.g);
-	}
+	ShadowSample shadow = SampleDirectionalLightShadow(DirectionalLight, ShadowsBuffer, ShadowMap, gBuffer);
+	shadowMask = GetShadowMask(shadow);
 	float4 light = GetLighting(ViewPos, DirectionalLight, gBuffer, shadowMask, false, false);
 
 	// Calculate lighting from sky light

Content/Editor/MaterialTemplates/Particle.shader

@@ -26,7 +26,7 @@ struct RibbonInput
 
 // Primary constant buffer (with additional material parameters)
 META_CB_BEGIN(0, Data)
-float4x4 WorldMatrix;
+float4x3 WorldMatrix;
 uint SortedIndicesOffset;
 float PerInstanceRandom;
 int ParticleStride;
@@ -45,7 +45,7 @@ int RibbonWidthOffset;
 int RibbonTwistOffset;
 int RibbonFacingVectorOffset;
 uint RibbonSegmentCount;
-float4x4 WorldMatrixInverseTransposed;
+float4x3 WorldMatrixInverseTransposed;
 @1META_CB_END
 
 // Particles attributes buffer
@@ -138,7 +138,7 @@ MaterialInput GetMaterialInput(PixelInput input)
 #if USE_INSTANCING
 #define GetInstanceTransform(input) float4x4(float4(input.InstanceTransform1.xyz, 0.0f), float4(input.InstanceTransform2.xyz, 0.0f), float4(input.InstanceTransform3.xyz, 0.0f), float4(input.InstanceOrigin.xyz, 1.0f))
 #else
-#define GetInstanceTransform(input) WorldMatrix;
+#define GetInstanceTransform(input) ToMatrix4x4(WorldMatrix);
 #endif
 
 // Removes the scale vector from the local to world transformation matrix (supports instancing)
@@ -264,12 +264,12 @@ float4 GetParticleVec4(uint particleIndex, int offset)
 
 float3 TransformParticlePosition(float3 input)
 {
-	return mul(float4(input, 1.0f), WorldMatrix).xyz;
+	return mul(float4(input, 1.0f), ToMatrix4x4(WorldMatrix)).xyz;
 }
 
 float3 TransformParticleVector(float3 input)
 {
-	return mul(float4(input, 0.0f), WorldMatrixInverseTransposed).xyz;
+	return mul(float4(input, 0.0f), ToMatrix4x4(WorldMatrixInverseTransposed)).xyz;
 }
 
 @8
@@ -333,7 +333,7 @@ VertexOutput VS_Sprite(SpriteInput input, uint particleIndex : SV_InstanceID)
 	float2 spriteSize = GetParticleVec2(particleIndex, SpriteSizeOffset);
 	int spriteFacingMode = SpriteFacingModeOffset != -1 ? GetParticleInt(particleIndex, SpriteFacingModeOffset) : -1;
 
-	float4x4 world = WorldMatrix;
+	float4x4 world = ToMatrix4x4(WorldMatrix);
 	float3x3 eulerMatrix = EulerMatrix(radians(particleRotation));
 	float3x3 viewRot = transpose((float3x3)ViewMatrix);
 	float3 position = mul(float4(particlePosition, 1), world).xyz;
@@ -463,11 +463,12 @@ VertexOutput VS_Model(ModelInput input, uint particleIndex : SV_InstanceID)
 	}
 
 	// Read particle data
+	float4x4 worldMatrix = ToMatrix4x4(WorldMatrix);
 	float3 particlePosition = GetParticleVec3(particleIndex, PositionOffset);
 	float3 particleScale = GetParticleVec3(particleIndex, ScaleOffset);
 	float3 particleRotation = GetParticleVec3(particleIndex, RotationOffset);
 	int modelFacingMode = ModelFacingModeOffset != -1 ? GetParticleInt(particleIndex, ModelFacingModeOffset) : -1;
-	float3 position = mul(float4(particlePosition, 1), WorldMatrix).xyz;
+	float3 position = mul(float4(particlePosition, 1), worldMatrix).xyz;
 
 	// Compute final vertex position in the world
 	float3x3 eulerMatrix = EulerMatrix(radians(particleRotation));
@@ -506,7 +507,7 @@ VertexOutput VS_Model(ModelInput input, uint particleIndex : SV_InstanceID)
 		world =  mul(world, scaleMatrix);
 	}
 	world = transpose(world);
-	world =  mul(world, WorldMatrix);
+	world =  mul(world, worldMatrix);
 
 	// Calculate the vertex position in world space
 	output.WorldPosition = mul(float4(input.Position, 1), world).xyz;
@@ -520,12 +521,12 @@ VertexOutput VS_Model(ModelInput input, uint particleIndex : SV_InstanceID)
 #if USE_VERTEX_COLOR
 	output.VertexColor = input.Color;
 #endif
-	output.InstanceOrigin = WorldMatrix[3].xyz;
+	output.InstanceOrigin = worldMatrix[3].xyz;
 	output.InstanceParams = PerInstanceRandom;
 
 	// Calculate tanget space to world space transformation matrix for unit vectors
 	half3x3 tangentToLocal = CalcTangentToLocal(input);
-	half3x3 tangentToWorld = CalcTangentToWorld(WorldMatrix, tangentToLocal);
+	half3x3 tangentToWorld = CalcTangentToWorld(worldMatrix, tangentToLocal);
 	output.TBN = tangentToWorld;
 
 	// Get material input params if need to evaluate any material property
@@ -625,12 +626,13 @@ VertexOutput VS_Ribbon(RibbonInput input, uint vertexIndex : SV_VertexID)
 #if USE_VERTEX_COLOR
 	output.VertexColor = 1;
 #endif
-	output.InstanceOrigin = WorldMatrix[3].xyz;
+	float4x4 world = ToMatrix4x4(WorldMatrix);
+	output.InstanceOrigin = world[3].xyz;
 	output.InstanceParams = PerInstanceRandom;
 
 	// Calculate tanget space to world space transformation matrix for unit vectors
 	half3x3 tangentToLocal = float3x3(tangentRight, tangentUp, cross(tangentRight, tangentUp));
-	half3x3 tangentToWorld = CalcTangentToWorld(WorldMatrix, tangentToLocal);
+	half3x3 tangentToWorld = CalcTangentToWorld(world, tangentToLocal);
 	output.TBN = tangentToWorld;
 
 	// Get material input params if need to evaluate any material property

Content/Editor/MaterialTemplates/Surface.shader

@@ -10,8 +10,8 @@
 @7
 // Primary constant buffer (with additional material parameters)
 META_CB_BEGIN(0, Data)
-float4x4 WorldMatrix;
-float4x4 PrevWorldMatrix;
+float4x3 WorldMatrix;
+float4x3 PrevWorldMatrix;
 float2 Dummy0;
 float LODDitherFactor;
 float PerInstanceRandom;
@@ -171,7 +171,7 @@ MaterialInput GetMaterialInput(PixelInput input)
 #if USE_INSTANCING
 #define CalculateInstanceTransform(input) float4x4 world = GetInstanceTransform(input); output.Geometry.InstanceTransform1 = input.InstanceTransform1.xyz; output.Geometry.InstanceTransform2 = input.InstanceTransform2.xyz; output.Geometry.InstanceTransform3 = input.InstanceTransform3.xyz;
 #else
-#define CalculateInstanceTransform(input) float4x4 world = WorldMatrix; output.Geometry.InstanceTransform1 = world[0].xyz; output.Geometry.InstanceTransform2 = world[1].xyz; output.Geometry.InstanceTransform3 = world[2].xyz;
+#define CalculateInstanceTransform(input) float4x4 world = ToMatrix4x4(WorldMatrix); output.Geometry.InstanceTransform1 = world[0].xyz; output.Geometry.InstanceTransform2 = world[1].xyz; output.Geometry.InstanceTransform3 = world[2].xyz;
 #endif
 
 // Removes the scale vector from the local to world transformation matrix (supports instancing)
@@ -328,7 +328,7 @@ VertexOutput VS(ModelInput input)
 	// Compute world space vertex position
 	CalculateInstanceTransform(input);
 	output.Geometry.WorldPosition = mul(float4(input.Position.xyz, 1), world).xyz;
-	output.Geometry.PrevWorldPosition = mul(float4(input.Position.xyz, 1), PrevWorldMatrix).xyz;
+	output.Geometry.PrevWorldPosition = mul(float4(input.Position.xyz, 1), ToMatrix4x4(PrevWorldMatrix)).xyz;
 
 	// Compute clip space position
 	output.Position = mul(float4(output.Geometry.WorldPosition, 1), ViewProjectionMatrix);
@@ -402,7 +402,7 @@ float4 VS_Depth(ModelInput_PosOnly input) : SV_Position
 #if USE_INSTANCING
 	float4x4 world = GetInstanceTransform(input);
 #else
-	float4x4 world = WorldMatrix;
+	float4x4 world = ToMatrix4x4(WorldMatrix);
 #endif
 	float3 worldPosition = mul(float4(input.Position.xyz, 1), world).xyz;
 	float4 position = mul(float4(worldPosition, 1), ViewProjectionMatrix);
@@ -508,9 +508,9 @@ VertexOutput VS_Skinned(ModelInput_Skinned input)
 	output.Geometry.WorldPosition = mul(float4(position, 1), world).xyz;
 #if PER_BONE_MOTION_BLUR
 	float3 prevPosition = SkinPrevPosition(input);
-	output.Geometry.PrevWorldPosition = mul(float4(prevPosition, 1), PrevWorldMatrix).xyz;
+	output.Geometry.PrevWorldPosition = mul(float4(prevPosition, 1), ToMatrix4x4(PrevWorldMatrix)).xyz;
 #else
-	output.Geometry.PrevWorldPosition = mul(float4(position, 1), PrevWorldMatrix).xyz;
+	output.Geometry.PrevWorldPosition = mul(float4(position, 1), ToMatrix4x4(PrevWorldMatrix)).xyz;
 #endif
 
 	// Compute clip space position

Content/Editor/MaterialTemplates/Terrain.shader

@@ -17,7 +17,7 @@
 @7
 // Primary constant buffer (with additional material parameters)
 META_CB_BEGIN(0, Data)
-float4x4 WorldMatrix;
+float4x3 WorldMatrix;
 float3 WorldInvScale;
 float WorldDeterminantSign;
 float PerInstanceRandom;
@@ -194,7 +194,7 @@ float3 TransformViewVectorToWorld(MaterialInput input, float3 viewVector)
 // Transforms a vector from local space to world space
 float3 TransformLocalVectorToWorld(MaterialInput input, float3 localVector)
 {
-	float3x3 localToWorld = (float3x3)WorldMatrix;
+	float3x3 localToWorld = (float3x3)ToMatrix4x4(WorldMatrix);
 	//localToWorld = RemoveScaleFromLocalToWorld(localToWorld);
 	return mul(localVector, localToWorld);
 }
@@ -202,7 +202,7 @@ float3 TransformLocalVectorToWorld(MaterialInput input, float3 localVector)
 // Transforms a vector from local space to world space
 float3 TransformWorldVectorToLocal(MaterialInput input, float3 worldVector)
 {
-	float3x3 localToWorld = (float3x3)WorldMatrix;
+	float3x3 localToWorld = (float3x3)ToMatrix4x4(WorldMatrix);
 	//localToWorld = RemoveScaleFromLocalToWorld(localToWorld);
 	return mul(localToWorld, worldVector);
 }
@@ -210,7 +210,7 @@ float3 TransformWorldVectorToLocal(MaterialInput input, float3 worldVector)
 // Gets the current object position
 float3 GetObjectPosition(MaterialInput input)
 {
-	return WorldMatrix[3].xyz;
+	return ToMatrix4x4(WorldMatrix)[3].xyz;
 }
 
 // Gets the current object size
@@ -365,7 +365,8 @@ VertexOutput VS(TerrainVertexInput input)
 	float3 position = float3(positionXZ.x, height, positionXZ.y);
 
 	// Compute world space vertex position
-	output.Geometry.WorldPosition = mul(float4(position, 1), WorldMatrix).xyz;
+	float4x4 worldMatrix = ToMatrix4x4(WorldMatrix);
+	output.Geometry.WorldPosition = mul(float4(position, 1), worldMatrix).xyz;
 
 	// Compute clip space position
 	output.Position = mul(float4(output.Geometry.WorldPosition, 1), ViewProjectionMatrix);
@@ -389,7 +390,7 @@ VertexOutput VS(TerrainVertexInput input)
 
 	// Compute world space normal vector
 	float3x3 tangentToLocal = CalcTangentBasisFromWorldNormal(normal);
-	float3x3 tangentToWorld = CalcTangentToWorld(WorldMatrix, tangentToLocal);
+	float3x3 tangentToWorld = CalcTangentToWorld(worldMatrix, tangentToLocal);
 	output.Geometry.WorldNormal = tangentToWorld[2];
 
 	// Get material input params if need to evaluate any material property

Content/Editor/MaterialTemplates/VolumeParticle.shader

@@ -13,8 +13,8 @@
 // Primary constant buffer (with additional material parameters)
 META_CB_BEGIN(0, Data)
 float4x4 InverseViewProjectionMatrix;
-float4x4 WorldMatrix;
-float4x4 WorldMatrixInverseTransposed;
+float4x3 WorldMatrix;
+float4x3 WorldMatrixInverseTransposed;
 float3 GridSize;
 float PerInstanceRandom;
 float Dummy0;
@@ -49,7 +49,7 @@ struct MaterialInput
 #endif
 };
 
-#define GetInstanceTransform(input) WorldMatrix;
+#define GetInstanceTransform(input) ToMatrix4x4(WorldMatrix);
 
 // Removes the scale vector from the local to world transformation matrix (supports instancing)
 float3x3 RemoveScaleFromLocalToWorld(float3x3 localToWorld)
@@ -170,12 +170,12 @@ float4 GetParticleVec4(uint particleIndex, int offset)
 
 float3 TransformParticlePosition(float3 input)
 {
-	return mul(float4(input, 1.0f), WorldMatrix).xyz;
+	return mul(float4(input, 1.0f), ToMatrix4x4(WorldMatrix)).xyz;
 }
 
 float3 TransformParticleVector(float3 input)
 {
-	return mul(float4(input, 0.0f), WorldMatrixInverseTransposed).xyz;
+	return mul(float4(input, 0.0f), ToMatrix4x4(WorldMatrixInverseTransposed)).xyz;
 }
 
 @8
@@ -219,7 +219,7 @@ void PS_VolumetricFog(Quad_GS2PS input, out float4 VBufferA : SV_Target0, out fl
 	materialInput.ParticleIndex = ParticleIndex;
 	materialInput.TBN = float3x3(float3(1, 0, 0), float3(0, 1, 0), float3(0, 0, 1));
 	materialInput.TwoSidedSign = 1.0f;
-	materialInput.InstanceOrigin = WorldMatrix[3].xyz;
+	materialInput.InstanceOrigin = ToMatrix4x4(WorldMatrix)[3].xyz;
 	materialInput.InstanceParams = PerInstanceRandom;
 	materialInput.SvPosition = clipPos;
 	Material material = GetMaterialPS(materialInput);

Flax.flaxproj

@@ -2,9 +2,9 @@
   "Name": "Flax",
   "Version": {
     "Major": 1,
-    "Minor": 8,
-    "Revision": 2,
-    "Build": 6512
+    "Minor": 9,
+    "Revision": 0,
+    "Build": 6601
   },
   "Company": "Flax",
   "Copyright": "Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.",
@@ -13,7 +13,6 @@
   "Configuration": {
     "UseCSharp": true,
     "UseLargeWorlds": false,
-    "UseDotNet": true,
-	"UseSDL": true
+    "UseDotNet": true
   }
 }

Flax.sln.DotSettings

@@ -74,7 +74,6 @@
 	<s:String x:Key="/Default/CodeStyle/Naming/CppNaming/UserRules/=UNION/@EntryIndexedValue">&lt;Policy Inspect="True" Prefix="" Suffix="" Style="aa_bb" /&gt;</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CppNaming/UserRules/=UNION_005FMEMBER/@EntryIndexedValue">&lt;Policy Inspect="True" Prefix="" Suffix="" Style="aa_bb" /&gt;</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=AI/@EntryIndexedValue">AI</s:String>
-	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=ARGB/@EntryIndexedValue">ARGB</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=LO/@EntryIndexedValue">LO</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=RPC/@EntryIndexedValue">RPC</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=SDK/@EntryIndexedValue">SDK</s:String>

GenerateProjectFiles.bat

@@ -14,8 +14,8 @@ call "Development\Scripts\Windows\CallBuildTool.bat" -genproject  %*
 if errorlevel 1 goto BuildToolFailed
 
 :: Build bindings for all editor configurations
-echo Building C# bindings...
-Binaries\Tools\Flax.Build.exe -build -BuildBindingsOnly -arch=x64 -platform=Windows --buildTargets=FlaxEditor
+::echo Building C# bindings...
+::Binaries\Tools\Flax.Build.exe -build -BuildBindingsOnly -arch=x64 -platform=Windows --buildTargets=FlaxEditor
 
 popd
 echo Done!

Source/Editor/Content/AssetPickerValidator.cs

@@ -1,3 +1,5 @@
+// Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
+
 using System;
 using System.IO;
 using FlaxEditor.Scripting;
@@ -94,30 +96,8 @@ public class AssetPickerValidator : IContentItemOwner
     /// </summary>
     public string SelectedPath
     {
-        get
-        {
-            string path = _selectedItem?.Path ?? _selected?.Path;
-            if (path != null)
-            {
-                // Convert into path relative to the project (cross-platform)
-                var projectFolder = Globals.ProjectFolder;
-                if (path.StartsWith(projectFolder))
-                    path = path.Substring(projectFolder.Length + 1);
-            }
-            return path;
-        }
-        set
-        {
-            if (string.IsNullOrEmpty(value))
-            {
-                SelectedItem = null;
-            }
-            else
-            {
-                var path = StringUtils.IsRelative(value) ? Path.Combine(Globals.ProjectFolder, value) : value;
-                SelectedItem = Editor.Instance.ContentDatabase.Find(path);
-            }
-        }
+        get => Utilities.Utils.ToPathProject(_selectedItem?.Path ?? _selected?.Path);
+        set => SelectedItem = string.IsNullOrEmpty(value) ? null : Editor.Instance.ContentDatabase.Find(Utilities.Utils.ToPathAbsolute(value));
     }
 
     /// <summary>
@@ -242,7 +222,7 @@ public class AssetPickerValidator : IContentItemOwner
     /// <summary>
     /// Initializes a new instance of the <see cref="AssetPickerValidator"/> class.
     /// </summary>
-    /// <param name="assetType">The assets types that this picker accepts.</param>
+    /// <param name="assetType">The asset types that this picker accepts.</param>
     public AssetPickerValidator(ScriptType assetType)
     {
         _type = assetType;

Source/Editor/Content/GUI/ContentView.cs

@@ -61,8 +61,6 @@ namespace FlaxEditor.Content.GUI
         private bool _isRubberBandSpanning;
         private Float2 _mousePressLocation;
         private Rectangle _rubberBandRectangle;
-        private bool _isCutting;
-        private List<ContentItem> _cutItems = new List<ContentItem>();
 
         private bool _validDragOver;
         private DragActors _dragActors;
@@ -85,9 +83,9 @@ namespace FlaxEditor.Content.GUI
         public event Action<List<ContentItem>> OnDelete;
 
         /// <summary>
-        /// Called when user wants to paste the files/folders. Bool is for cutting.
+        /// Called when user wants to paste the files/folders.
         /// </summary>
-        public event Action<string[], bool> OnPaste;
+        public event Action<string[]> OnPaste;
 
         /// <summary>
         /// Called when user wants to duplicate the item(s).
@@ -212,12 +210,6 @@ namespace FlaxEditor.Content.GUI
                 }),
                 new InputActionsContainer.Binding(options => options.Copy, Copy),
                 new InputActionsContainer.Binding(options => options.Paste, Paste),
-                new InputActionsContainer.Binding(options => options.Cut, Cut),
-                new InputActionsContainer.Binding(options => options.Undo, () =>
-                {
-                    if (_isCutting)
-                        UpdateContentItemCut(false);
-                }),
                 new InputActionsContainer.Binding(options => options.Duplicate, Duplicate),
             });
         }
@@ -470,7 +462,6 @@ namespace FlaxEditor.Content.GUI
         /// </summary>
         public void Duplicate()
         {
-            UpdateContentItemCut(false);
             OnDuplicate?.Invoke(_selection);
         }
 
@@ -484,7 +475,6 @@ namespace FlaxEditor.Content.GUI
 
             var files = _selection.ConvertAll(x => x.Path).ToArray();
             Clipboard.Files = files;
-            UpdateContentItemCut(false);
         }
 
         /// <summary>
@@ -506,36 +496,7 @@ namespace FlaxEditor.Content.GUI
             if (files == null || files.Length == 0)
                 return;
 
-            OnPaste?.Invoke(files, _isCutting);
-            UpdateContentItemCut(false);
-        }
-
-        /// <summary>
-        /// Cuts the items.
-        /// </summary>
-        public void Cut()
-        {
-            Copy();
-            UpdateContentItemCut(true);
-        }
-
-        private void UpdateContentItemCut(bool cut)
-        {
-            _isCutting = cut;
-  
-            // Add selection to cut list
-            if (cut)
-                _cutItems.AddRange(_selection);
-            
-            // Update item with if it is being cut.
-            foreach (var item in _cutItems)
-            {
-                item.IsBeingCut = cut;
-            }
-            
-            // Clean up cut items
-            if (!cut)
-                _cutItems.Clear();
+            OnPaste?.Invoke(files);
         }
 
         /// <summary>

Source/Editor/Content/Import/TextureImportEntry.cs

@@ -58,10 +58,10 @@ namespace FlaxEngine.Tools
                     FieldInfo[] fields = typeof(CustomMaxSizes).GetFields();
                     for (int i = 0; i < fields.Length; i++)
                     {
-                        var @field = fields[i];
-                        if (@field.Name.Equals("value__"))
+                        var field = fields[i];
+                        if (field.Name.Equals("value__"))
                             continue;
-                        if (value == (int)@field.GetRawConstantValue())
+                        if (value == (int)field.GetRawConstantValue())
                             return (CustomMaxSizes)value;
                     }
                     return CustomMaxSizes._8192;

Source/Editor/Content/Items/ContentItem.cs

@@ -182,11 +182,6 @@ namespace FlaxEditor.Content
         /// </summary>
         public const int DefaultHeight = (DefaultThumbnailSize + 2 * DefaultMarginSize + DefaultTextHeight);
 
-        /// <summary>
-        /// Whether the item is being but.
-        /// </summary>
-        public bool IsBeingCut;
-
         private ContentFolder _parentFolder;
 
         private bool _isMouseDown;
@@ -752,12 +747,6 @@ namespace FlaxEditor.Content
             Render2D.PushClip(ref textRect);
             Render2D.DrawText(style.FontMedium, ShowFileExtension || view.ShowFileExtensions ? FileName : ShortName, textRect, style.Foreground, nameAlignment, TextAlignment.Center, TextWrapping.WrapWords, 1f, 0.95f);
             Render2D.PopClip();
-
-            if (IsBeingCut)
-            {
-                var color = style.LightBackground.AlphaMultiplied(0.5f);
-                Render2D.FillRectangle(clientRect, color);
-            }
         }
 
         /// <inheritdoc />

Source/Editor/Content/Items/VideoItem.cs

@@ -0,0 +1,28 @@
+// Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
+
+using FlaxEngine;
+
+namespace FlaxEditor.Content
+{
+    /// <summary>
+    /// Content item that contains video media file.
+    /// </summary>
+    /// <seealso cref="FlaxEditor.Content.JsonAssetItem" />
+    public sealed class VideoItem : FileItem
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="VideoItem"/> class.
+        /// </summary>
+        /// <param name="path">The file path.</param>
+        public VideoItem(string path)
+        : base(path)
+        {
+        }
+
+        /// <inheritdoc />
+        public override string TypeDescription => "Video";
+
+        /// <inheritdoc />
+        public override SpriteHandle DefaultThumbnail => Editor.Instance.Icons.Document128;
+    }
+}

Source/Editor/Content/Items/VisualScriptItem.cs

@@ -100,16 +100,12 @@ namespace FlaxEditor.Content
         /// <inheritdoc />
         public object GetValue(object obj)
         {
-            if (!_type.Asset)
-                throw new TargetException("Missing Visual Script asset.");
             return _type.Asset.GetScriptInstanceParameterValue(_parameter.Name, (Object)obj);
         }
 
         /// <inheritdoc />
         public void SetValue(object obj, object value)
         {
-            if (!_type.Asset)
-                throw new TargetException("Missing Visual Script asset.");
             _type.Asset.SetScriptInstanceParameterValue(_parameter.Name, (Object)obj, value);
         }
     }

Source/Editor/Content/Proxy/AssetProxy.cs

@@ -30,9 +30,7 @@ namespace FlaxEditor.Content
         /// <summary>
         /// Determines whether [is virtual proxy].
         /// </summary>
-        /// <returns>
-        ///   <c>true</c> if [is virtual proxy]; otherwise, <c>false</c>.
-        /// </returns>
+        /// <returns><c>true</c> if [is virtual proxy]; otherwise, <c>false</c>.</returns>
         public bool IsVirtualProxy()
         {
             return IsVirtual && CanExport == false;

Source/Editor/Content/Proxy/CSharpScriptProxy.cs

@@ -29,6 +29,12 @@ namespace FlaxEditor.Content
             return item is CSharpScriptItem;
         }
 
+        /// <inheritdoc />
+        public override ContentItem ConstructItem(string path)
+        {
+            return new CSharpScriptItem(path);
+        }
+
         /// <inheritdoc />
         public override void Create(string outputPath, object arg)
         {

Source/Editor/Content/Proxy/ContentProxy.cs

@@ -39,6 +39,16 @@ namespace FlaxEditor.Content
             return false;
         }
 
+        /// <summary>
+        /// Constructs the item for the file.
+        /// </summary>
+        /// <param name="path">The file path.</param>
+        /// <returns>Created item or null.</returns>
+        public virtual ContentItem ConstructItem(string path)
+        {
+            return null;
+        }
+
         /// <summary>
         /// Gets a value indicating whether this proxy if for assets.
         /// </summary>

Source/Editor/Content/Proxy/CppProxy.cs

@@ -87,6 +87,12 @@ namespace FlaxEditor.Content
             return item is CppScriptItem;
         }
 
+        /// <inheritdoc />
+        public override ContentItem ConstructItem(string path)
+        {
+            return new CppScriptItem(path);
+        }
+
         /// <inheritdoc />
         protected override void GetTemplatePaths(out string headerTemplate, out string sourceTemplate)
         {

Source/Editor/Content/Proxy/FileProxy.cs

@@ -20,6 +20,12 @@ namespace FlaxEditor.Content
             return item is FileItem;
         }
 
+        /// <inheritdoc />
+        public override ContentItem ConstructItem(string path)
+        {
+            return new FileItem(path);
+        }
+
         /// <inheritdoc />
         public override string FileExtension => string.Empty;
 

Source/Editor/Content/Proxy/JsonAssetProxy.cs

@@ -166,18 +166,6 @@ namespace FlaxEditor.Content
         /// <inheritdoc />
         public override string Name { get; } = Utilities.Utils.GetPropertyNameUI(typeof(T).Name);
 
-        private SpriteHandle _thumbnail;
-
-        public SpawnableJsonAssetProxy()
-        {
-            _thumbnail = SpriteHandle.Invalid;
-        }
-        
-        public SpawnableJsonAssetProxy(SpriteHandle thumbnail)
-        {
-            _thumbnail = thumbnail;
-        }
-
         /// <inheritdoc />
         public override bool CanCreate(ContentFolder targetLocation)
         {
@@ -189,12 +177,6 @@ namespace FlaxEditor.Content
         {
             Editor.SaveJsonAsset(outputPath, new T());
         }
-        
-        /// <inheritdoc />
-        public override AssetItem ConstructItem(string path, string typeName, ref Guid id)
-        {
-            return _thumbnail.IsValid ? new JsonAssetItem(path, id, typeName, _thumbnail) : base.ConstructItem(path, typeName, ref id);
-        }
 
         /// <inheritdoc />
         public override string TypeName { get; } = typeof(T).FullName;

Source/Editor/Content/Proxy/PrefabProxy.cs

@@ -73,6 +73,16 @@ namespace FlaxEditor.Content
             return targetLocation.CanHaveAssets;
         }
 
+        /// <inheritdoc />
+        public override bool CanReimport(ContentItem item)
+        {
+            if (item is not PrefabItem prefabItem)
+                return base.CanReimport(item);
+
+            var prefab = FlaxEngine.Content.Load<Prefab>(prefabItem.ID);
+            return prefab.GetDefaultInstance().GetScript<ModelPrefab>() != null;
+        }
+
         /// <inheritdoc />
         public override void Create(string outputPath, object arg)
         {

Source/Editor/Content/Proxy/VideoProxy.cs

@@ -0,0 +1,48 @@
+// Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
+
+using FlaxEditor.Windows;
+using FlaxEditor.Windows.Assets;
+using FlaxEngine;
+
+namespace FlaxEditor.Content
+{
+    /// <summary>
+    /// A video media file proxy object.
+    /// </summary>
+    public class VideoProxy : ContentProxy
+    {
+        private readonly string _extension;
+
+        internal VideoProxy(string extension)
+        {
+            _extension = extension;
+        }
+
+        /// <inheritdoc />
+        public override string Name => "Video";
+
+        /// <inheritdoc />
+        public override string FileExtension => _extension;
+
+        /// <inheritdoc />
+        public override Color AccentColor => Color.FromRGB(0x11f7f1);
+
+        /// <inheritdoc />
+        public override bool IsProxyFor(ContentItem item)
+        {
+            return item is VideoItem;
+        }
+
+        /// <inheritdoc />
+        public override ContentItem ConstructItem(string path)
+        {
+            return new VideoItem(path);
+        }
+
+        /// <inheritdoc />
+        public override EditorWindow Open(Editor editor, ContentItem item)
+        {
+            return new VideoWindow(editor, (VideoItem)item);
+        }
+    }
+}

Source/Editor/Cooker/CookingData.h

@@ -134,6 +134,12 @@ API_ENUM() enum class BuildPlatform
     /// </summary>
     API_ENUM(Attributes="EditorDisplay(null, \"iOS ARM64\")")
     iOSARM64 = 14,
+
+    /// <summary>
+    /// Windows (ARM64)
+    /// </summary>
+    API_ENUM(Attributes = "EditorDisplay(null, \"Windows ARM64\")")
+    WindowsARM64 = 15,
 };
 
 /// <summary>
@@ -285,24 +291,22 @@ public:
         /// <summary>
         /// The total assets amount in the build.
         /// </summary>
-        int32 TotalAssets;
+        int32 TotalAssets = 0;
 
         /// <summary>
         /// The cooked assets (TotalAssets - CookedAssets is amount of reused cached assets).
         /// </summary>
-        int32 CookedAssets;
+        int32 CookedAssets = 0;
 
         /// <summary>
-        /// The final output content size in MB.
+        /// The final output content size (in bytes).
         /// </summary>
-        int32 ContentSizeMB;
+        uint64 ContentSize = 0;
 
         /// <summary>
         /// The asset type stats. Key is the asset typename, value is the stats container.
         /// </summary>
         Dictionary<String, AssetTypeStatistics> AssetStats;
-
-        Statistics();
     };
 
     /// <summary>
@@ -328,6 +332,11 @@ public:
     /// </summary>
     HashSet<Guid> Assets;
 
+    /// <summary>
+    /// The final files collection to include in build (valid only after CollectAssetsStep).
+    /// </summary>
+    HashSet<String> Files;
+
     struct BinaryModuleInfo
     {
         String Name;

Source/Editor/Cooker/GameCooker.cpp

@@ -148,6 +148,8 @@ const Char* ToString(const BuildPlatform platform)
         return TEXT("Mac ARM64");
     case BuildPlatform::iOSARM64:
         return TEXT("iOS ARM64");
+    case BuildPlatform::WindowsARM64:
+        return TEXT("Windows ARM64");
     default:
         return TEXT("");
     }
@@ -202,13 +204,6 @@ bool CookingData::AssetTypeStatistics::operator<(const AssetTypeStatistics& othe
     return Count > other.Count;
 }
 
-CookingData::Statistics::Statistics()
-{
-    TotalAssets = 0;
-    CookedAssets = 0;
-    ContentSizeMB = 0;
-}
-
 CookingData::CookingData(const SpawnParams& params)
     : ScriptingObject(params)
 {
@@ -307,6 +302,10 @@ void CookingData::GetBuildPlatformName(const Char*& platform, const Char*& archi
         platform = TEXT("iOS");
         architecture = TEXT("ARM64");
         break;
+    case BuildPlatform::WindowsARM64:
+        platform = TEXT("Windows");
+        architecture = TEXT("ARM64");
+        break;
     default:
         LOG(Fatal, "Unknown or unsupported build platform.");
     }
@@ -393,6 +392,9 @@ PlatformTools* GameCooker::GetTools(BuildPlatform platform)
         case BuildPlatform::Windows64:
             result = New<WindowsPlatformTools>(ArchitectureType::x64);
             break;
+        case BuildPlatform::WindowsARM64:
+            result = New<WindowsPlatformTools>(ArchitectureType::ARM64);
+            break;
 #endif
 #if PLATFORM_TOOLS_UWP
         case BuildPlatform::UWPx86:
@@ -554,7 +556,12 @@ void GameCooker::GetCurrentPlatform(PlatformType& platform, BuildPlatform& build
     switch (PLATFORM_TYPE)
     {
     case PlatformType::Windows:
-        buildPlatform = PLATFORM_64BITS ? BuildPlatform::Windows64 : BuildPlatform::Windows32;
+        if (PLATFORM_ARCH == ArchitectureType::x64)
+            buildPlatform = BuildPlatform::Windows64;
+        else if (PLATFORM_ARCH == ArchitectureType::ARM64)
+            buildPlatform = BuildPlatform::WindowsARM64;
+        else
+            buildPlatform = BuildPlatform::Windows32;
         break;
     case PlatformType::XboxOne:
         buildPlatform = BuildPlatform::XboxOne;

Source/Editor/Cooker/Platform/Android/AndroidPlatformTools.cpp

@@ -325,9 +325,7 @@ bool AndroidPlatformTools::OnPostProcess(CookingData& data)
 
     const auto buildSettings = BuildSettings::Get();
     if (buildSettings->SkipPackaging)
-    {
         return false;
-    }
     GameCooker::PackageFiles();
 
     // Validate environment variables

Source/Editor/Cooker/Steps/CollectAssetsStep.cpp

@@ -10,47 +10,26 @@
 #include "Engine/Content/Assets/Shader.h"
 #include "Engine/Content/Cache/AssetsCache.h"
 
-bool CollectAssetsStep::Process(CookingData& data, Asset* asset)
-{
-    // Skip virtual/temporary assets
-    if (asset->IsVirtual())
-        return false;
-
-    // Keep reference to the asset
-    AssetReference<Asset> ref(asset);
-
-    // Asset should have loaded data
-    if (asset->WaitForLoaded())
-        return false;
-
-    // Gather asset references
-    _references.Clear();
-    asset->Locker.Lock();
-    asset->GetReferences(_references);
-    asset->Locker.Unlock();
-    _assetsQueue.Add(_references);
-
-    return false;
-}
-
 bool CollectAssetsStep::Perform(CookingData& data)
 {
     LOG(Info, "Searching for assets to include in a build. Using {0} root assets.", data.RootAssets.Count());
     data.StepProgress(TEXT("Collecting assets"), 0);
 
     // Initialize assets queue
-    _assetsQueue.Clear();
-    _assetsQueue.EnsureCapacity(1024);
+    Array<Guid> assetsQueue;
+    assetsQueue.Clear();
+    assetsQueue.EnsureCapacity(1024);
     for (auto i = data.RootAssets.Begin(); i.IsNotEnd(); ++i)
-        _assetsQueue.Add(i->Item);
+        assetsQueue.Add(i->Item);
 
     // Iterate through the assets graph
     AssetInfo assetInfo;
-    while (_assetsQueue.HasItems())
+    Array<Guid> references;
+    Array<String> files;
+    while (assetsQueue.HasItems())
     {
         BUILD_STEP_CANCEL_CHECK;
-
-        const auto assetId = _assetsQueue.Dequeue();
+        const Guid assetId = assetsQueue.Dequeue();
 
         // Skip already processed or invalid assets
         if (!assetId.IsValid()
@@ -69,14 +48,31 @@ bool CollectAssetsStep::Perform(CookingData& data)
         }
 
         // Load asset
-        const auto asset = Content::LoadAsync<Asset>(assetId);
+        AssetReference<Asset> asset = Content::LoadAsync<Asset>(assetId);
         if (asset == nullptr)
             continue;
-
-        // Process that asset
         LOG_STR(Info, asset->GetPath());
         data.Assets.Add(assetId);
-        Process(data, asset);
+
+        // Skip virtual/temporary assets
+        if (asset->IsVirtual())
+            continue;
+
+        // Asset should have loaded data
+        if (asset->WaitForLoaded())
+            continue;
+
+        // Gather asset references
+        references.Clear();
+        asset->Locker.Lock();
+        asset->GetReferences(references, files);
+        asset->Locker.Unlock();
+        assetsQueue.Add(references);
+        for (String& file : files)
+        {
+            if (file.HasChars())
+                data.Files.Add(MoveTemp(file));
+        }
     }
 
     data.Stats.TotalAssets = data.Assets.Count();

Source/Editor/Cooker/Steps/CollectAssetsStep.h

@@ -12,15 +12,7 @@ class Asset;
 /// <seealso cref="GameCooker::BuildStep" />
 class CollectAssetsStep : public GameCooker::BuildStep
 {
-private:
-
-    Array<Guid> _assetsQueue;
-    Array<Guid> _references;
-
-    bool Process(CookingData& data, Asset* asset);
-
 public:
-
     // [BuildStep]
     bool Perform(CookingData& data) override;
 };

Source/Editor/Cooker/Steps/CookAssetsStep.cpp

@@ -447,6 +447,7 @@ bool ProcessShaderBase(CookAssetsStep::AssetCookData& data, ShaderAssetBase* ass
 #if PLATFORM_TOOLS_WINDOWS
     case BuildPlatform::Windows32:
     case BuildPlatform::Windows64:
+    case BuildPlatform::WindowsARM64:
     {
         const char* platformDefineName = "PLATFORM_WINDOWS";
         const auto settings = WindowsPlatformSettings::Get();
@@ -891,7 +892,6 @@ bool CookAssetsStep::Process(CookingData& data, CacheData& cache, JsonAssetBase*
 class PackageBuilder : public NonCopyable
 {
 private:
-
     int32 _packageIndex;
     int32 MaxAssetsPerPackage;
     int32 MaxPackageSize;
@@ -904,7 +904,6 @@ private:
     uint64 packagesSizeTotal;
 
 public:
-
     /// <summary>
     /// Initializes a new instance of the <see cref="PackageBuilder" /> class.
     /// </summary>
@@ -933,7 +932,6 @@ public:
     }
 
 public:
-
     uint64 GetPackagesSizeTotal() const
     {
         return packagesSizeTotal;
@@ -1042,8 +1040,11 @@ bool CookAssetsStep::Perform(CookingData& data)
     float Step1ProgressEnd = 0.6f;
     String Step1Info = TEXT("Cooking assets");
     float Step2ProgressStart = Step1ProgressEnd;
-    float Step2ProgressEnd = 0.9f;
-    String Step2Info = TEXT("Packaging assets");
+    float Step2ProgressEnd = 0.8f;
+    String Step2Info = TEXT("Cooking files");
+    float Step3ProgressStart = Step2ProgressStart;
+    float Step3ProgressEnd = 0.9f;
+    String Step3Info = TEXT("Packaging assets");
 
     data.StepProgress(TEXT("Loading build cache"), 0);
 
@@ -1100,11 +1101,14 @@ bool CookAssetsStep::Perform(CookingData& data)
 #endif
     int32 subStepIndex = 0;
     AssetReference<Asset> assetRef;
-    assetRef.Unload.Bind([]() { LOG(Error, "Asset gets unloaded while cooking it!"); Platform::Sleep(100); });
+    assetRef.Unload.Bind([]
+    {
+        LOG(Error, "Asset got unloaded while cooking it!");
+        Platform::Sleep(100);
+    });
     for (auto i = data.Assets.Begin(); i.IsNotEnd(); ++i)
     {
         BUILD_STEP_CANCEL_CHECK;
-
         data.StepProgress(Step1Info, Math::Lerp(Step1ProgressStart, Step1ProgressEnd, static_cast<float>(subStepIndex++) / data.Assets.Count()));
         const Guid assetId = i->Item;
 
@@ -1184,6 +1188,35 @@ bool CookAssetsStep::Perform(CookingData& data)
     // Save build cache header
     cache.Save(data);
 
+    // Process all files
+    for (auto i = data.Files.Begin(); i.IsNotEnd(); ++i)
+    {
+        BUILD_STEP_CANCEL_CHECK;
+        data.StepProgress(Step2Info, Math::Lerp(Step2ProgressStart, Step2ProgressEnd, (float)subStepIndex++ / data.Files.Count()));
+        const String& filePath = i->Item;
+
+        // Calculate destination path
+        String cookedPath = data.DataOutputPath;
+        if (FileSystem::IsRelative(filePath))
+            cookedPath /= filePath;
+        else
+            cookedPath /= String(TEXT("Content")) / StringUtils::GetFileName(filePath);
+
+        // Copy file
+        if (!FileSystem::FileExists(cookedPath) || FileSystem::GetFileLastEditTime(cookedPath) >= FileSystem::GetFileLastEditTime(filePath))
+        {
+            if (FileSystem::CreateDirectory(StringUtils::GetDirectoryName(cookedPath)))
+                return true;
+            if (FileSystem::CopyFile(cookedPath, filePath))
+                return true;
+        }
+
+        // Count stats of file extension
+        auto& assetStats = data.Stats.AssetStats[FileSystem::GetExtension(cookedPath)];
+        assetStats.Count++;
+        assetStats.ContentSize += FileSystem::GetFileSize(cookedPath);
+    }
+
     // Create build game header
     {
         GameHeaderFlags gameFlags = GameHeaderFlags::None;
@@ -1229,13 +1262,11 @@ bool CookAssetsStep::Perform(CookingData& data)
         for (auto i = AssetsRegistry.Begin(); i.IsNotEnd(); ++i)
         {
             BUILD_STEP_CANCEL_CHECK;
-
-            data.StepProgress(Step2Info, Math::Lerp(Step2ProgressStart, Step2ProgressEnd, static_cast<float>(subStepIndex++) / AssetsRegistry.Count()));
+            data.StepProgress(Step3Info, Math::Lerp(Step3ProgressStart, Step3ProgressEnd, (float)subStepIndex++ / AssetsRegistry.Count()));
             const auto assetId = i->Key;
 
             String cookedFilePath;
             cache.GetFilePath(assetId, cookedFilePath);
-
             if (!FileSystem::FileExists(cookedFilePath))
             {
                 LOG(Warning, "Missing cooked file for asset \'{0}\'", assetId);
@@ -1253,12 +1284,12 @@ bool CookAssetsStep::Perform(CookingData& data)
             return true;
         for (auto& e : data.Stats.AssetStats)
             e.Value.TypeName = e.Key;
-        data.Stats.ContentSizeMB = static_cast<int32>(packageBuilder.GetPackagesSizeTotal() / (1024 * 1024));
+        data.Stats.ContentSize += packageBuilder.GetPackagesSizeTotal();
     }
 
     BUILD_STEP_CANCEL_CHECK;
 
-    data.StepProgress(TEXT("Creating assets cache"), Step2ProgressEnd);
+    data.StepProgress(TEXT("Creating assets cache"), Step3ProgressEnd);
 
     // Create asset paths mapping for the assets.
     // Assets mapping is use to convert paths used in Content::Load(path) into the asset id.
@@ -1291,7 +1322,7 @@ bool CookAssetsStep::Perform(CookingData& data)
     }
 
     // Print stats
-    LOG(Info, "Cooked {0} assets, total assets: {1}, total content packages size: {2} MB", data.Stats.CookedAssets, AssetsRegistry.Count(), data.Stats.ContentSizeMB);
+    LOG(Info, "Cooked {0} assets, total assets: {1}, total content packages size: {2} MB", data.Stats.CookedAssets, AssetsRegistry.Count(), (int32)(data.Stats.ContentSize / (1024 * 1024)));
     {
         Array<CookingData::AssetTypeStatistics> assetTypes;
         data.Stats.AssetStats.GetValues(assetTypes);

Source/Editor/Cooker/Steps/DeployDataStep.cpp

@@ -73,6 +73,7 @@ bool DeployDataStep::Perform(CookingData& data)
             {
             case BuildPlatform::Windows32:
             case BuildPlatform::Windows64:
+            case BuildPlatform::WindowsARM64:
                 canUseSystemDotnet = PLATFORM_TYPE == PlatformType::Windows;
                 break;
             case BuildPlatform::LinuxX64:
@@ -159,7 +160,20 @@ bool DeployDataStep::Perform(CookingData& data)
                 }
                 else
                 {
-                    failed |= EditorUtilities::CopyDirectoryIfNewer(dstDotnet / TEXT("host/fxr") / version, srcDotnet / TEXT("host/fxr") / version, true);
+                    // TODO: hostfxr for target platform should be copied from nuget package location: microsoft.netcore.app.runtime.<RID>/<VERSION>/runtimes/<RID>/native/hostfxr.dll
+                    String dstHostfxr = dstDotnet / TEXT("host/fxr") / version;
+                    if (!FileSystem::DirectoryExists(dstHostfxr))
+                        FileSystem::CreateDirectory(dstHostfxr);
+                    const Char *platformName, *archName;
+                    data.GetBuildPlatformName(platformName, archName);
+                    if (data.Platform == BuildPlatform::Windows64 || data.Platform == BuildPlatform::WindowsARM64 || data.Platform == BuildPlatform::Windows32)
+                        failed |= FileSystem::CopyFile(dstHostfxr / TEXT("hostfxr.dll"), depsRoot / TEXT("ThirdParty") / archName / TEXT("hostfxr.dll"));
+                    else if (data.Platform == BuildPlatform::LinuxX64)
+                        failed |= FileSystem::CopyFile(dstHostfxr / TEXT("hostfxr.so"), depsRoot / TEXT("ThirdParty") / archName / TEXT("hostfxr.so"));
+                    else if (data.Platform == BuildPlatform::MacOSx64 || data.Platform == BuildPlatform::MacOSARM64)
+                        failed |= FileSystem::CopyFile(dstHostfxr / TEXT("hostfxr.dylib"), depsRoot / TEXT("ThirdParty") / archName / TEXT("hostfxr.dylib"));
+                    else
+                        failed |= true;
                     failed |= EditorUtilities::CopyDirectoryIfNewer(dstDotnet / TEXT("shared/Microsoft.NETCore.App") / version, srcDotnet / TEXT("shared/Microsoft.NETCore.App") / version, true);
                 }
                 if (failed)

Source/Editor/CustomEditors/CustomEditor.cs

@@ -111,11 +111,6 @@ namespace FlaxEditor.CustomEditors
         /// </summary>
         public PropertyNameLabel LinkedLabel;
 
-        /// <summary>
-        /// Gets the layout for this editor. Used to calculate bounds.
-        /// </summary>
-        public LayoutElementsContainer Layout => _layout;
-
         internal virtual void Initialize(CustomEditorPresenter presenter, LayoutElementsContainer layout, ValueContainer values)
         {
             _layout = layout;
@@ -382,6 +377,10 @@ namespace FlaxEditor.CustomEditors
                 else if (Values.HasDefaultValue && CanRevertDefaultValue)
                     color = Color.Yellow * 0.8f;
                 LinkedLabel.HighlightStripColor = color;
+
+                // Grey out deprecated members
+                if (Values.IsObsolete)
+                    LinkedLabel.TextColor = LinkedLabel.TextColorHighlighted = FlaxEngine.GUI.Style.Current.ForegroundGrey;
             }
         }
 
@@ -664,7 +663,7 @@ namespace FlaxEditor.CustomEditors
                 }
             }
 
-            if ((obj == null && !Values.Type.IsValueType) || Values.Type.IsInstanceOfType(obj))
+            if (obj == null || Values.Type.IsInstanceOfType(obj))
             {
                 result = obj;
                 return true;
@@ -676,7 +675,20 @@ namespace FlaxEditor.CustomEditors
         /// <summary>
         /// Gets a value indicating whether can paste value from the system clipboard to the property value container.
         /// </summary>
-        public bool CanPaste => !string.IsNullOrEmpty(Clipboard.Text);
+        public bool CanPaste
+        {
+            get
+            {
+                try
+                {
+                    return GetClipboardObject(out _, false);
+                }
+                catch
+                {
+                    return false;
+                }
+            }
+        }
 
         /// <summary>
         /// Sets the value from the system clipboard.

Source/Editor/CustomEditors/Dedicated/ActorEditor.cs

@@ -67,35 +67,19 @@ namespace FlaxEditor.CustomEditors.Dedicated
                         // Use default prefab instance as a reference for the editor
                         Values.SetReferenceValue(prefabInstance);
 
-                        if (Presenter == Editor.Instance.Windows.PropertiesWin.Presenter)
-                        {
-                            // Add some UI
-                            var panel = layout.CustomContainer<UniformGridPanel>();
-                            panel.CustomControl.Height = 20.0f;
-                            panel.CustomControl.SlotsVertically = 1;
-                            panel.CustomControl.SlotsHorizontally = 3;
-                            
-                            // Selecting actor prefab asset
-                            var selectPrefab = panel.Button("Select Prefab");
-                            selectPrefab.Button.Clicked += () =>
-                            {
-                                Editor.Instance.Windows.ContentWin.ClearItemsSearch();
-                                Editor.Instance.Windows.ContentWin.Select(prefab);
-                            };
+                        // Add some UI
+                        var panel = layout.CustomContainer<UniformGridPanel>();
+                        panel.CustomControl.Height = 20.0f;
+                        panel.CustomControl.SlotsVertically = 1;
+                        panel.CustomControl.SlotsHorizontally = 2;
 
-                            // Edit selected prefab asset
-                            var editPrefab = panel.Button("Edit Prefab");
-                            editPrefab.Button.Clicked += () =>
-                            {
-                                Editor.Instance.Windows.ContentWin.ClearItemsSearch();
-                                Editor.Instance.Windows.ContentWin.Select(prefab);
-                                Editor.Instance.Windows.ContentWin.Open(Editor.Instance.Windows.ContentWin.View.Selection[0]);
-                            };
+                        // Selecting actor prefab asset
+                        var selectPrefab = panel.Button("Select Prefab");
+                        selectPrefab.Button.Clicked += () => Editor.Instance.Windows.ContentWin.Select(prefab);
 
-                            // Viewing changes applied to this actor
-                            var viewChanges = panel.Button("View Changes");
-                            viewChanges.Button.Clicked += () => ViewChanges(viewChanges.Button, new Float2(0.0f, 20.0f));
-                        }
+                        // Viewing changes applied to this actor
+                        var viewChanges = panel.Button("View Changes");
+                        viewChanges.Button.Clicked += () => ViewChanges(viewChanges.Button, new Float2(0.0f, 20.0f));
 
                         // Link event to update editor on prefab apply
                         _linkedPrefabId = prefab.ID;

Source/Editor/CustomEditors/Dedicated/ClothEditor.cs

@@ -38,15 +38,15 @@ namespace FlaxEditor.CustomEditors.Dedicated
             _gizmoMode = new ClothPaintingGizmoMode();
 
             var projectCache = Editor.Instance.ProjectCache;
-            if (projectCache.TryGetCustomData("ClothGizmoPaintValue", out string cachedPaintValue))
+            if (projectCache.TryGetCustomData("ClothGizmoPaintValue", out var cachedPaintValue))
                 _gizmoMode.PaintValue = JsonSerializer.Deserialize<float>(cachedPaintValue);
-            if (projectCache.TryGetCustomData("ClothGizmoContinuousPaint", out string cachedContinuousPaint))
+            if (projectCache.TryGetCustomData("ClothGizmoContinuousPaint", out var cachedContinuousPaint))
                 _gizmoMode.ContinuousPaint = JsonSerializer.Deserialize<bool>(cachedContinuousPaint);
-            if (projectCache.TryGetCustomData("ClothGizmoBrushFalloff", out string cachedBrushFalloff))
+            if (projectCache.TryGetCustomData("ClothGizmoBrushFalloff", out var cachedBrushFalloff))
                 _gizmoMode.BrushFalloff = JsonSerializer.Deserialize<float>(cachedBrushFalloff);
-            if (projectCache.TryGetCustomData("ClothGizmoBrushSize", out string cachedBrushSize))
+            if (projectCache.TryGetCustomData("ClothGizmoBrushSize", out var cachedBrushSize))
                 _gizmoMode.BrushSize = JsonSerializer.Deserialize<float>(cachedBrushSize);
-            if (projectCache.TryGetCustomData("ClothGizmoBrushStrength", out string cachedBrushStrength))
+            if (projectCache.TryGetCustomData("ClothGizmoBrushStrength", out var cachedBrushStrength))
                 _gizmoMode.BrushStrength = JsonSerializer.Deserialize<float>(cachedBrushStrength);
 
             gizmos.AddMode(_gizmoMode);

Source/Editor/CustomEditors/Dedicated/ScriptsEditor.cs

@@ -880,13 +880,6 @@ namespace FlaxEditor.CustomEditors.Dedicated
 
                 group.Panel.HeaderTextMargin = new Margin(scriptDrag.Right - 12, 15, 2, 2);
                 group.Object(values, editor);
-                // Remove drop down arrows and containment lines if no objects in the group
-                if (group.Children.Count == 0)
-                {
-                    group.Panel.ArrowImageOpened = null;
-                    group.Panel.ArrowImageClosed = null;
-                    group.Panel.EnableContainmentLines = false;
-                }
 
                 // Scripts arrange bar
                 dragBar = layout.Custom<ScriptArrangeBar>();

Source/Editor/CustomEditors/Editors/ActorTransformEditor.cs

@@ -41,13 +41,6 @@ namespace FlaxEditor.CustomEditors.Editors
             public override void Initialize(LayoutElementsContainer layout)
             {
                 base.Initialize(layout);
-                
-                if (XElement.ValueBox.Parent is UniformGridPanel ug)
-                {
-                    ug.Height += 2;
-                    ug.SlotSpacing = new Float2(4);
-                    ug.SlotPadding = new Margin(0, 0, 1, 1);
-                }
 
                 // Override colors
                 var back = FlaxEngine.GUI.Style.Current.TextBoxBackground;
@@ -73,13 +66,6 @@ namespace FlaxEditor.CustomEditors.Editors
             public override void Initialize(LayoutElementsContainer layout)
             {
                 base.Initialize(layout);
-                
-                if (XElement.ValueBox.Parent is UniformGridPanel ug)
-                {
-                    ug.Height += 2;
-                    ug.SlotSpacing = new Float2(4);
-                    ug.SlotPadding = new Margin(0, 0, 1, 1);
-                }
 
                 // Override colors
                 var back = FlaxEngine.GUI.Style.Current.TextBoxBackground;
@@ -136,13 +122,6 @@ namespace FlaxEditor.CustomEditors.Editors
                             menu.AddButton("Link", ToggleLink).LinkTooltip("Links scale components for uniform scaling");
                     };
                 }
-                
-                if (XElement.ValueBox.Parent is UniformGridPanel ug)
-                {
-                    ug.Height += 2;
-                    ug.SlotSpacing = new Float2(4);
-                    ug.SlotPadding = new Margin(0, 0, 1, 1);
-                }
 
                 // Override colors
                 var back = FlaxEngine.GUI.Style.Current.TextBoxBackground;

Source/Editor/CustomEditors/Editors/AssetRefEditor.cs

@@ -6,6 +6,7 @@ using FlaxEditor.Content;
 using FlaxEditor.GUI;
 using FlaxEditor.Scripting;
 using FlaxEngine;
+using FlaxEngine.GUI;
 using FlaxEngine.Utilities;
 
 namespace FlaxEditor.CustomEditors.Editors
@@ -50,7 +51,6 @@ namespace FlaxEditor.CustomEditors.Editors
             if (HasDifferentTypes)
                 return;
             Picker = layout.Custom<AssetPicker>().CustomControl;
-
             var value = Values[0];
             _valueType = Values.Type.Type != typeof(object) || value == null ? Values.Type : TypeUtils.GetObjectType(value);
             var assetType = _valueType;
@@ -58,37 +58,8 @@ namespace FlaxEditor.CustomEditors.Editors
                 assetType = new ScriptType(typeof(Asset));
             else if (_valueType.Type != null && _valueType.Type.Name == typeof(JsonAssetReference<>).Name)
                 assetType = new ScriptType(_valueType.Type.GenericTypeArguments[0]);
-
-            float height = 48;
-            var attributes = Values.GetAttributes();
-            var assetReference = (AssetReferenceAttribute)attributes?.FirstOrDefault(x => x is AssetReferenceAttribute);
-            if (assetReference != null)
-            {
-                if (assetReference.UseSmallPicker)
-                    height = 32;
-
-                if (string.IsNullOrEmpty(assetReference.TypeName))
-                {
-                }
-                else if (assetReference.TypeName.Length > 1 && assetReference.TypeName[0] == '.')
-                {
-                    // Generic file picker
-                    assetType = ScriptType.Null;
-                    Picker.Validator.FileExtension = assetReference.TypeName;
-                }
-                else
-                {
-                    var customType = TypeUtils.GetType(assetReference.TypeName);
-                    if (customType != ScriptType.Null)
-                        assetType = customType;
-                    else if (!Content.Settings.GameSettings.OptionalPlatformSettings.Contains(assetReference.TypeName))
-                        Debug.LogWarning(string.Format("Unknown asset type '{0}' to use for asset picker filter.", assetReference.TypeName));
-                    else
-                        assetType = ScriptType.Void;
-                }
-            }
-
             Picker.Validator.AssetType = assetType;
+            ApplyAssetReferenceAttribute(Values, out var height, Picker.Validator);
             Picker.Height = height;
             Picker.SelectedItemChanged += OnSelectedItemChanged;
         }
@@ -115,6 +86,37 @@ namespace FlaxEditor.CustomEditors.Editors
                 SetValue(Picker.Validator.SelectedAsset);
         }
 
+        internal static void ApplyAssetReferenceAttribute(ValueContainer values, out float height, AssetPickerValidator validator)
+        {
+            height = 48;
+            var attributes = values.GetAttributes();
+            var assetReference = (AssetReferenceAttribute)attributes?.FirstOrDefault(x => x is AssetReferenceAttribute);
+            if (assetReference != null)
+            {
+                if (assetReference.UseSmallPicker)
+                    height = 32;
+                if (string.IsNullOrEmpty(assetReference.TypeName))
+                {
+                }
+                else if (assetReference.TypeName.Length > 1 && assetReference.TypeName[0] == '.')
+                {
+                    // Generic file picker
+                    validator.AssetType = ScriptType.Null;
+                    validator.FileExtension = assetReference.TypeName;
+                }
+                else
+                {
+                    var customType = TypeUtils.GetType(assetReference.TypeName);
+                    if (customType != ScriptType.Null)
+                        validator.AssetType = customType;
+                    else if (!Content.Settings.GameSettings.OptionalPlatformSettings.Contains(assetReference.TypeName))
+                        Debug.LogWarning(string.Format("Unknown asset type '{0}' to use for asset picker filter.", assetReference.TypeName));
+                    else
+                        validator.AssetType = ScriptType.Void;
+                }
+            }
+        }
+
         /// <inheritdoc />
         public override void Refresh()
         {
@@ -140,4 +142,155 @@ namespace FlaxEditor.CustomEditors.Editors
             }
         }
     }
+
+    /// <summary>
+    /// Default implementation of the inspector used to edit reference to the files via path (absolute or relative to the project).
+    /// </summary>
+    /// <remarks>Supports editing reference to the asset via path using various containers: <see cref="Asset"/> or <see cref="AssetItem"/> or <see cref="System.String"/>.</remarks>
+    public class FilePathEditor : CustomEditor
+    {
+        private sealed class TextBoxWithPicker : TextBox
+        {
+            private const float DropdownIconMargin = 3.0f;
+            private const float DropdownIconSize = 12.0f;
+            private Rectangle DropdownRect => new Rectangle(Width - DropdownIconSize - DropdownIconMargin, DropdownIconMargin, DropdownIconSize, DropdownIconSize);
+
+            public Action ShowPicker;
+
+            public override void Draw()
+            {
+                base.Draw();
+
+                var style = FlaxEngine.GUI.Style.Current;
+                var dropdownRect = DropdownRect;
+                Render2D.DrawSprite(style.ArrowDown, dropdownRect, Enabled ? (DropdownRect.Contains(PointFromWindow(RootWindow.MousePosition)) ? style.BorderSelected : style.Foreground) : style.ForegroundDisabled);
+            }
+
+            public override bool OnMouseDown(Float2 location, MouseButton button)
+            {
+                if (DropdownRect.Contains(ref location))
+                {
+                    Focus();
+                    ShowPicker();
+                    return true;
+                }
+
+                return base.OnMouseDown(location, button);
+            }
+
+            public override void OnMouseMove(Float2 location)
+            {
+                base.OnMouseMove(location);
+
+                if (DropdownRect.Contains(ref location))
+                    Cursor = CursorType.Default;
+                else
+                    Cursor = CursorType.IBeam;
+            }
+
+            protected override Rectangle TextRectangle
+            {
+                get
+                {
+                    var result = base.TextRectangle;
+                    result.Size.X -= DropdownIconSize + DropdownIconMargin * 2;
+                    return result;
+                }
+            }
+
+            protected override Rectangle TextClipRectangle
+            {
+                get
+                {
+                    var result = base.TextClipRectangle;
+                    result.Size.X -= DropdownIconSize + DropdownIconMargin * 2;
+                    return result;
+                }
+            }
+        }
+
+        private TextBoxWithPicker _textBox;
+        private AssetPickerValidator _validator;
+        private bool _isRefreshing;
+
+        /// <inheritdoc />
+        public override DisplayStyle Style => DisplayStyle.Inline;
+
+        /// <inheritdoc />
+        public override void Initialize(LayoutElementsContainer layout)
+        {
+            if (HasDifferentTypes)
+                return;
+            _textBox = layout.Custom<TextBoxWithPicker>().CustomControl;
+            _textBox.ShowPicker = OnShowPicker;
+            _textBox.EditEnd += OnEditEnd;
+            _validator = new AssetPickerValidator(ScriptType.Null);
+            AssetRefEditor.ApplyAssetReferenceAttribute(Values, out _, _validator);
+        }
+
+        private void OnShowPicker()
+        {
+            if (_validator.AssetType != ScriptType.Null)
+                AssetSearchPopup.Show(_textBox, _textBox.BottomLeft, _validator.IsValid, SetPickerPath);
+            else
+                ContentSearchPopup.Show(_textBox, _textBox.BottomLeft, _validator.IsValid, SetPickerPath);
+        }
+
+        private void SetPickerPath(ContentItem item)
+        {
+            var path = Utilities.Utils.ToPathProject(item.Path);
+            SetPath(path);
+
+            _isRefreshing = true;
+            _textBox.Defocus();
+            _textBox.Text = path;
+            _isRefreshing = false;
+
+            _textBox.RootWindow.Focus();
+            _textBox.Focus();
+        }
+
+        private void OnEditEnd()
+        {
+            SetPath(_textBox.Text);
+        }
+
+        private string GetPath()
+        {
+            var value = Values[0];
+            if (value is AssetItem assetItem)
+                return Utilities.Utils.ToPathProject(assetItem.Path);
+            if (value is Asset asset)
+                return Utilities.Utils.ToPathProject(asset.Path);
+            if (value is string str)
+                return str;
+            return null;
+        }
+
+        private void SetPath(string path)
+        {
+            if (_isRefreshing)
+                return;
+            var value = Values[0];
+            if (value is AssetItem)
+                SetValue(Editor.Instance.ContentDatabase.Find(Utilities.Utils.ToPathAbsolute(path)));
+            else if (value is Asset)
+                SetValue(FlaxEngine.Content.LoadAsync(path));
+            else if (value is string)
+                SetValue(path);
+        }
+
+        /// <inheritdoc />
+        public override void Refresh()
+        {
+            base.Refresh();
+
+            if (!HasDifferentValues)
+            {
+                _isRefreshing = true;
+                _textBox.Text = GetPath();
+                _isRefreshing = false;
+            }
+        }
+    }
 }

Source/Editor/CustomEditors/Editors/CollectionEditor.cs

@@ -38,9 +38,6 @@ namespace FlaxEditor.CustomEditors.Editors
             /// </summary>
             public readonly int Index;
 
-            private Rectangle _arrangeButtonRect;
-            private bool _arrangeButtonInUse;
-
             /// <summary>
             /// Initializes a new instance of the <see cref="CollectionItemLabel"/> class.
             /// </summary>
@@ -53,12 +50,6 @@ namespace FlaxEditor.CustomEditors.Editors
                 Index = index;
 
                 SetupContextMenu += OnSetupContextMenu;
-                _arrangeButtonRect = new Rectangle(2, 3, 12, 12);
-
-                // Extend margin of the label to support a dragging handle.
-                Margin m = Margin;
-                m.Left += 16;
-                Margin = m;
             }
 
             private void OnSetupContextMenu(PropertyNameLabel label, ContextMenu menu, CustomEditor linkedEditor)
@@ -80,107 +71,6 @@ namespace FlaxEditor.CustomEditors.Editors
                 b.Enabled = !Editor._readOnly;
             }
 
-            /// <inheritdoc />
-            public override void OnEndMouseCapture()
-            {
-                base.OnEndMouseCapture();
-
-                _arrangeButtonInUse = false;
-            }
-
-
-            /// <inheritdoc />
-            public override void Draw()
-            {
-                base.Draw();
-                var style = FlaxEngine.GUI.Style.Current;
-
-                var mousePosition = PointFromScreen(Input.MouseScreenPosition);
-                var dragBarColor = _arrangeButtonRect.Contains(mousePosition) ? style.Foreground : style.ForegroundGrey;
-                Render2D.DrawSprite(FlaxEditor.Editor.Instance.Icons.DragBar12, _arrangeButtonRect, _arrangeButtonInUse ? Color.Orange : dragBarColor);
-                if (_arrangeButtonInUse && ArrangeAreaCheck(out _, out var arrangeTargetRect))
-                {
-                    Render2D.FillRectangle(arrangeTargetRect, style.Selection);
-                }
-            }
-
-            private bool ArrangeAreaCheck(out int index, out Rectangle rect)
-            {
-                var child = Editor.ChildrenEditors[0];
-                var container = child.Layout.ContainerControl;
-                var mousePosition = container.PointFromScreen(Input.MouseScreenPosition);
-                var barSidesExtend = 20.0f;
-                var barHeight = 5.0f;
-                var barCheckAreaHeight = 40.0f;
-                var pos = mousePosition.Y + barCheckAreaHeight * 0.5f;
-
-                for (int i = 0; i < container.Children.Count / 2; i++)
-                {
-                    var containerChild = container.Children[i * 2]; // times 2 to skip the value editor
-                    if (Mathf.IsInRange(pos, containerChild.Top, containerChild.Top + barCheckAreaHeight) || (i == 0 && pos < containerChild.Top))
-                    {
-                        index = i;
-                        var p1 = containerChild.UpperLeft;
-                        rect = new Rectangle(PointFromParent(p1) - new Float2(barSidesExtend * 0.5f, barHeight * 0.5f), Width + barSidesExtend, barHeight);
-                        return true;
-                    }
-                }
-
-                var p2 = container.Children[((container.Children.Count / 2) - 1) * 2].BottomLeft;
-                if (pos > p2.Y)
-                {
-                    index = (container.Children.Count / 2) - 1;
-                    rect = new Rectangle(PointFromParent(p2) - new Float2(barSidesExtend * 0.5f, barHeight * 0.5f), Width + barSidesExtend, barHeight);
-                    return true;
-                }
-
-                index = -1;
-                rect = Rectangle.Empty;
-                return false;
-            }
-
-            /// <inheritdoc />
-            public override bool OnMouseDown(Float2 location, MouseButton button)
-            {
-                if (button == MouseButton.Left && _arrangeButtonRect.Contains(ref location))
-                {
-                    _arrangeButtonInUse = true;
-                    Focus();
-                    StartMouseCapture();
-                    return true;
-                }
-
-                return base.OnMouseDown(location, button);
-            }
-
-            /// <inheritdoc />
-            public override bool OnMouseUp(Float2 location, MouseButton button)
-            {
-                if (button == MouseButton.Left && _arrangeButtonInUse)
-                {
-                    _arrangeButtonInUse = false;
-                    EndMouseCapture();
-                    if (ArrangeAreaCheck(out var index, out _))
-                    {
-                        Editor.Shift(Index, index);
-                    }
-                }
-
-                return base.OnMouseUp(location, button);
-            }
-
-            /// <inheritdoc />
-            public override void OnLostFocus()
-            {
-                if (_arrangeButtonInUse)
-                {
-                    _arrangeButtonInUse = false;
-                    EndMouseCapture();
-                }
-
-                base.OnLostFocus();
-            }
-
             private void OnMoveUpClicked()
             {
                 Editor.Move(Index, Index - 1);
@@ -216,9 +106,6 @@ namespace FlaxEditor.CustomEditors.Editors
 
             private bool _canReorder = true;
 
-            private Rectangle _arrangeButtonRect;
-            private bool _arrangeButtonInUse;
-
             public void Setup(CollectionEditor editor, int index, bool canReorder = true)
             {
                 HeaderHeight = 18;
@@ -236,92 +123,10 @@ namespace FlaxEditor.CustomEditors.Editors
                 MouseButtonRightClicked += OnMouseButtonRightClicked;
                 if (_canReorder)
                 {
-                    HeaderTextMargin = new Margin(18, 0, 0, 0);
-                    _arrangeButtonRect = new Rectangle(16, 3, 12, 12);
+                    // TODO: Drag drop
                 }
             }
 
-            private bool ArrangeAreaCheck(out int index, out Rectangle rect)
-            {
-                var container = Parent;
-                var mousePosition = container.PointFromScreen(Input.MouseScreenPosition);
-                var barSidesExtend = 20.0f;
-                var barHeight = 5.0f;
-                var barCheckAreaHeight = 40.0f;
-                var pos = mousePosition.Y + barCheckAreaHeight * 0.5f;
-
-                for (int i = 0; i < (container.Children.Count + 1) / 2; i++) // Add 1 to pretend there is a spacer at the end.
-                {
-                    var containerChild = container.Children[i * 2]; // times 2 to skip the value editor
-                    if (Mathf.IsInRange(pos, containerChild.Top, containerChild.Top + barCheckAreaHeight) || (i == 0 && pos < containerChild.Top))
-                    {
-                        index = i;
-                        var p1 = containerChild.UpperLeft;
-                        rect = new Rectangle(PointFromParent(p1) - new Float2(barSidesExtend * 0.5f, barHeight * 0.5f), Width + barSidesExtend, barHeight);
-                        return true;
-                    }
-                }
-
-                var p2 = container.Children[container.Children.Count - 1].BottomLeft;
-                if (pos > p2.Y)
-                {
-                    index = ((container.Children.Count + 1) / 2) - 1;
-                    rect = new Rectangle(PointFromParent(p2) - new Float2(barSidesExtend * 0.5f, barHeight * 0.5f), Width + barSidesExtend, barHeight);
-                    return true;
-                }
-
-                index = -1;
-                rect = Rectangle.Empty;
-                return false;
-            }
-
-            public override void Draw()
-            {
-                base.Draw();
-                if (_canReorder)
-                {
-                    var style = FlaxEngine.GUI.Style.Current;
-
-                    var mousePosition = PointFromScreen(Input.MouseScreenPosition);
-                    var dragBarColor = _arrangeButtonRect.Contains(mousePosition) ? style.Foreground : style.ForegroundGrey;
-                    Render2D.DrawSprite(FlaxEditor.Editor.Instance.Icons.DragBar12, _arrangeButtonRect, _arrangeButtonInUse ? Color.Orange : dragBarColor);
-                    if (_arrangeButtonInUse && ArrangeAreaCheck(out _, out var arrangeTargetRect))
-                    {
-                        Render2D.FillRectangle(arrangeTargetRect, style.Selection);
-                    }
-                }
-            }
-
-            /// <inheritdoc />
-            public override bool OnMouseDown(Float2 location, MouseButton button)
-            {
-                if (button == MouseButton.Left && _arrangeButtonRect.Contains(ref location))
-                {
-                    _arrangeButtonInUse = true;
-                    Focus();
-                    StartMouseCapture();
-                    return true;
-                }
-
-                return base.OnMouseDown(location, button);
-            }
-
-            /// <inheritdoc />
-            public override bool OnMouseUp(Float2 location, MouseButton button)
-            {
-                if (button == MouseButton.Left && _arrangeButtonInUse)
-                {
-                    _arrangeButtonInUse = false;
-                    EndMouseCapture();
-                    if (ArrangeAreaCheck(out var index, out _))
-                    {
-                        Editor.Shift(Index, index);
-                    }
-                }
-
-                return base.OnMouseUp(location, button);
-            }
-
             private void OnMouseButtonRightClicked(DropPanel panel, Float2 location)
             {
                 if (LinkedEditor == null)
@@ -422,7 +227,7 @@ namespace FlaxEditor.CustomEditors.Editors
             var collection = (CollectionAttribute)attributes?.FirstOrDefault(x => x is CollectionAttribute);
             if (collection != null)
             {
-                _canResize = collection.CanResize;
+                _canResize = !collection.ReadOnly;
                 _readOnly = collection.ReadOnly;
                 _minCount = collection.MinCount;
                 _maxCount = collection.MaxCount;
@@ -519,6 +324,7 @@ namespace FlaxEditor.CustomEditors.Editors
                               (elementType.GetProperties().Length == 1 && elementType.GetFields().Length == 0) ||
                               elementType.Equals(new ScriptType(typeof(JsonAsset))) ||
                               elementType.Equals(new ScriptType(typeof(SettingsBase)));
+
                 for (int i = 0; i < size; i++)
                 {
                     // Apply spacing
@@ -634,39 +440,6 @@ namespace FlaxEditor.CustomEditors.Editors
             SetValue(cloned);
         }
 
-        /// <summary>
-        /// Shifts the specified item at the given index and moves it through the list to the other item. It supports undo.
-        /// </summary>
-        /// <param name="srcIndex">Index of the source item.</param>
-        /// <param name="dstIndex">Index of the destination to move to.</param>
-        private void Shift(int srcIndex, int dstIndex)
-        {
-            if (IsSetBlocked)
-                return;
-
-            var cloned = CloneValues();
-            if (dstIndex > srcIndex)
-            {
-                for (int i = srcIndex; i < dstIndex; i++)
-                {
-                    var tmp = cloned[i + 1];
-                    cloned[i + 1] = cloned[i];
-                    cloned[i] = tmp;
-                }
-            }
-            else
-            {
-                for (int i = srcIndex; i > dstIndex; i--)
-                {
-                    var tmp = cloned[i - 1];
-                    cloned[i - 1] = cloned[i];
-                    cloned[i] = tmp;
-                }
-            }
-            
-            SetValue(cloned);
-        }
-
         /// <summary>
         /// Removes the item at the specified index. It supports undo.
         /// </summary>

Source/Editor/CustomEditors/Editors/DictionaryEditor.cs

@@ -189,7 +189,6 @@ namespace FlaxEditor.CustomEditors.Editors
             var collection = (CollectionAttribute)attributes?.FirstOrDefault(x => x is CollectionAttribute);
             if (collection != null)
             {
-                _canEditKeys &= collection.CanReorderItems;
                 _readOnly = collection.ReadOnly;
                 _notNullItems = collection.NotNullItems;
                 if (collection.BackgroundColor.HasValue)

Source/Editor/CustomEditors/Editors/FlaxObjectRefEditor.cs

@@ -208,7 +208,7 @@ namespace FlaxEditor.CustomEditors.Editors
             else
             {
                 // Draw info
-                Render2D.DrawText(style.FontMedium, Type != null ? $"None ({Utilities.Utils.GetPropertyNameUI(Type.ToString())})" : "-", nameRect, isEnabled ? Color.OrangeRed : Color.DarkOrange, TextAlignment.Near, TextAlignment.Center);
+                Render2D.DrawText(style.FontMedium, "-", nameRect, isEnabled ? Color.OrangeRed : Color.DarkOrange, TextAlignment.Near, TextAlignment.Center);
             }
 
             // Draw picker button

Source/Editor/CustomEditors/Editors/GenericEditor.cs

@@ -474,7 +474,32 @@ namespace FlaxEditor.CustomEditors.Editors
             }
             if (layout.Editors.Count != 0)
             {
-                return !string.IsNullOrEmpty(Clipboard.Text);
+                var sb = Clipboard.Text;
+                if (!string.IsNullOrEmpty(sb))
+                {
+                    try
+                    {
+                        var data = JsonSerializer.Deserialize<string[]>(sb);
+                        if (data == null || data.Length != layout.Editors.Count)
+                            return false;
+                        for (var i = 0; i < layout.Editors.Count; i++)
+                        {
+                            Clipboard.Text = data[i];
+                            if (!layout.Editors[i].CanPaste)
+                                return false;
+                        }
+                        return true;
+                    }
+                    catch
+                    {
+                        return false;
+                    }
+                    finally
+                    {
+                        Clipboard.Text = sb;
+                    }
+                }
+                return false;
             }
             if (layout.Children.Any(x => x is LayoutElementsContainer))
             {

Source/Editor/CustomEditors/Editors/IBrushEditor.cs

@@ -25,6 +25,7 @@ namespace FlaxEditor.CustomEditors.Editors
             new OptionType("Linear Gradient", typeof(LinearGradientBrush)),
             new OptionType("Texture 9-Slicing", typeof(Texture9SlicingBrush)),
             new OptionType("Sprite 9-Slicing", typeof(Sprite9SlicingBrush)),
+            new OptionType("Video", typeof(VideoBrush)),
         };
     }
 }

Source/Editor/CustomEditors/Editors/IntegerEditor.cs

@@ -83,22 +83,6 @@ namespace FlaxEditor.CustomEditors.Editors
                     _element.Value = asInt;
                 else if (value is float asFloat)
                     _element.Value = (int)asFloat;
-                else if (value is double asDouble)
-                    _element.Value = (int)asDouble;
-                else if (value is uint asUint)
-                    _element.Value = (int)asUint;
-                else if (value is long asLong)
-                    _element.Value = (int)asLong;
-                else if (value is ulong asULong)
-                    _element.Value = (int)asULong;
-                else if (value is short asShort)
-                    _element.Value = asShort;
-                else if (value is ushort asUshort)
-                    _element.Value = asUshort;
-                else if (value is byte asByte)
-                    _element.Value = asByte;
-                else if (value is sbyte asSbyte)
-                    _element.Value = asSbyte;
                 else
                     throw new Exception(string.Format("Invalid value type {0}.", value?.GetType().ToString() ?? "<null>"));
             }
@@ -354,7 +338,7 @@ namespace FlaxEditor.CustomEditors.Editors
         protected abstract ulong GetValue(object value);
 
         /// <summary>
-        /// Sets the value from long.
+        /// Gets the value from long.
         /// </summary>
         /// <param name="value">The value from editor.</param>
         /// <returns>The value to object.</returns>

Source/Editor/CustomEditors/Editors/StringEditor.cs

@@ -39,7 +39,7 @@ namespace FlaxEditor.CustomEditors.Editors
             if (watermarkAttribute is WatermarkAttribute watermark)
             {
                 _watermarkText = watermark.WatermarkText;
-                var watermarkColor = watermark.WatermarkColor > 0 ? Color.FromRGB(watermark.WatermarkColor) : FlaxEngine.GUI.Style.Current.ForegroundDisabled;
+                var watermarkColor = watermark.WatermarkColor > 0 ? Color.FromRGBA(watermark.WatermarkColor) : FlaxEngine.GUI.Style.Current.ForegroundDisabled;
                 _watermarkColor = watermarkColor;
                 _element.TextBox.WatermarkText = watermark.WatermarkText;
                 _element.TextBox.WatermarkTextColor = watermarkColor;

Source/Editor/CustomEditors/LayoutElementsContainer.cs

@@ -318,9 +318,7 @@ namespace FlaxEditor.CustomEditors
             if (header.FontSize > 0)
                 element.Label.Font = new FontReference(element.Label.Font.Font, header.FontSize);
             if (header.Color > 0)
-                element.Label.TextColor = Color.FromRGB(header.Color);
-            var size = element.Label.Font.GetFont().MeasureText(header.Text);
-            element.Label.Height = size.Y;
+                element.Label.TextColor = Color.FromRGBA(header.Color);
             return element;
         }
 

Source/Editor/CustomEditors/Values/ValueContainer.cs

@@ -139,6 +139,11 @@ namespace FlaxEditor.CustomEditors
         /// </summary>
         public bool IsArray => Type != ScriptType.Null && Type.IsArray;
 
+        /// <summary>
+        /// True if member or type has <see cref="System.ObsoleteAttribute"/> that marks it as obsolete.
+        /// </summary>
+        public bool IsObsolete { get; }
+
         /// <summary>
         /// Gets the values types array (without duplicates).
         /// </summary>
@@ -160,6 +165,7 @@ namespace FlaxEditor.CustomEditors
         {
             Info = info;
             Type = Info.ValueType;
+            IsObsolete = Info.HasAttribute(typeof(ObsoleteAttribute), true);
         }
 
         /// <summary>

Source/Editor/Editor.cs

@@ -247,11 +247,6 @@ namespace FlaxEditor
         /// </summary>
         public event Action PlayModeEnd;
 
-        /// <summary>
-        /// Fired on Editor update
-        /// </summary>
-        public event Action EditorUpdate;
-
         internal Editor()
         {
             Instance = this;
@@ -335,7 +330,7 @@ namespace FlaxEditor
                 }
                 case GeneralOptions.StartupSceneModes.LastOpened:
                 {
-                    if (ProjectCache.TryGetCustomData(ProjectDataLastScene, out string lastSceneIdName))
+                    if (ProjectCache.TryGetCustomData(ProjectDataLastScene, out var lastSceneIdName))
                     {
                         var lastScenes = JsonSerializer.Deserialize<Guid[]>(lastSceneIdName);
                         foreach (var scene in lastScenes)
@@ -447,7 +442,7 @@ namespace FlaxEditor
                 }
                 case GeneralOptions.StartupSceneModes.LastOpened:
                 {
-                    if (ProjectCache.TryGetCustomData(ProjectDataLastScene, out string lastSceneIdName))
+                    if (ProjectCache.TryGetCustomData(ProjectDataLastScene, out var lastSceneIdName))
                     {
                         var lastScenes = JsonSerializer.Deserialize<Guid[]>(lastSceneIdName);
                         foreach (var sceneId in lastScenes)
@@ -464,7 +459,7 @@ namespace FlaxEditor
                         }
 
                         // Restore view
-                        if (ProjectCache.TryGetCustomData(ProjectDataLastSceneSpawn, out string lastSceneSpawnName))
+                        if (ProjectCache.TryGetCustomData(ProjectDataLastSceneSpawn, out var lastSceneSpawnName))
                             Windows.EditWin.Viewport.ViewRay = JsonSerializer.Deserialize<Ray>(lastSceneSpawnName);
                     }
                     break;
@@ -490,8 +485,6 @@ namespace FlaxEditor
                 {
                     StateMachine.CurrentState.UpdateFPS();
                 }
-                
-                EditorUpdate?.Invoke();
 
                 // Update modules
                 for (int i = 0; i < _modules.Count; i++)
@@ -1371,7 +1364,6 @@ namespace FlaxEditor
             public byte AutoReloadScriptsOnMainWindowFocus;
             public byte ForceScriptCompilationOnStartup;
             public byte UseAssetImportPathRelative;
-            public byte EnableParticlesPreview;
             public byte AutoRebuildCSG;
             public float AutoRebuildCSGTimeoutMs;
             public byte AutoRebuildNavMesh;

Source/Editor/GUI/AssetPicker.cs

@@ -5,10 +5,8 @@ using System.IO;
 using FlaxEditor.Content;
 using FlaxEditor.GUI.Drag;
 using FlaxEditor.Scripting;
-using FlaxEditor.Utilities;
 using FlaxEngine;
 using FlaxEngine.GUI;
-using FlaxEngine.Utilities;
 
 namespace FlaxEditor.GUI
 {
@@ -105,9 +103,9 @@ namespace FlaxEditor.GUI
 
         private Rectangle Button1Rect => new Rectangle(Height + ButtonsOffset, 0, ButtonsSize, ButtonsSize);
 
-        private Rectangle Button2Rect => new Rectangle(Height + ButtonsOffset, ButtonsSize + 2, ButtonsSize, ButtonsSize);
+        private Rectangle Button2Rect => new Rectangle(Height + ButtonsOffset, ButtonsSize, ButtonsSize, ButtonsSize);
 
-        private Rectangle Button3Rect => new Rectangle(Height + ButtonsOffset, (ButtonsSize + 2) * 2, ButtonsSize, ButtonsSize);
+        private Rectangle Button3Rect => new Rectangle(Height + ButtonsOffset, ButtonsSize * 2, ButtonsSize, ButtonsSize);
 
         /// <inheritdoc />
         public override void Draw()
@@ -149,13 +147,6 @@ namespace FlaxEditor.GUI
                                       style.Foreground,
                                       TextAlignment.Near,
                                       TextAlignment.Center);
-                    Render2D.DrawText(
-                                      style.FontSmall,
-                                      $"{TypeUtils.GetTypeDisplayName(Validator.AssetType.Type)}",
-                                      new Rectangle(button1Rect.Right + 2, ButtonsSize + 2, sizeForTextLeft, ButtonsSize),
-                                      style.ForegroundGrey,
-                                      TextAlignment.Near,
-                                      TextAlignment.Center);
                 }
             }
             // Check if has no item but has an asset (eg. virtual asset)
@@ -178,13 +169,6 @@ namespace FlaxEditor.GUI
                                       style.Foreground,
                                       TextAlignment.Near,
                                       TextAlignment.Center);
-                    Render2D.DrawText(
-                                      style.FontSmall,
-                                      $"{TypeUtils.GetTypeDisplayName(Validator.AssetType.Type)}",
-                                      new Rectangle(button1Rect.Right + 2, ButtonsSize + 2, sizeForTextLeft, ButtonsSize),
-                                      style.ForegroundGrey,
-                                      TextAlignment.Near,
-                                      TextAlignment.Center);
                 }
             }
             else
@@ -192,24 +176,6 @@ namespace FlaxEditor.GUI
                 // No element selected
                 Render2D.FillRectangle(iconRect, style.BackgroundNormal);
                 Render2D.DrawText(style.FontMedium, "No asset\nselected", iconRect, Color.Orange, TextAlignment.Center, TextAlignment.Center, TextWrapping.NoWrap, 1.0f, Height / DefaultIconSize);
-                float sizeForTextLeft = Width - button1Rect.Right;
-                if (sizeForTextLeft > 30)
-                {
-                    Render2D.DrawText(
-                                      style.FontSmall,
-                                      $"None",
-                                      new Rectangle(button1Rect.Right + 2, 0, sizeForTextLeft, ButtonsSize),
-                                      style.Foreground,
-                                      TextAlignment.Near,
-                                      TextAlignment.Center);
-                    Render2D.DrawText(
-                                      style.FontSmall,
-                                      $"{TypeUtils.GetTypeDisplayName(Validator.AssetType.Type)}",
-                                      new Rectangle(button1Rect.Right + 2, ButtonsSize + 2, sizeForTextLeft, ButtonsSize),
-                                      style.ForegroundGrey,
-                                      TextAlignment.Near,
-                                      TextAlignment.Center);
-                }
             }
 
             // Check if drag is over

Source/Editor/GUI/ColumnDefinition.cs

@@ -1,7 +1,6 @@
 // Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
 
 using FlaxEngine;
-using FlaxEngine.GUI;
 
 namespace FlaxEditor.GUI
 {
@@ -44,20 +43,10 @@ namespace FlaxEditor.GUI
         public Color TitleColor = Color.White;
 
         /// <summary>
-        /// The column title background color.
+        /// The column title background background.
         /// </summary>
         public Color TitleBackgroundColor = Color.Brown;
 
-        /// <summary>
-        /// The column title horizontal text alignment
-        /// </summary>
-        public TextAlignment TitleAlignment = TextAlignment.Near;
-
-        /// <summary>
-        /// The column title margin.
-        /// </summary>
-        public Margin TitleMargin = new Margin(4, 4, 0, 0);
-
         /// <summary>
         /// The minimum size (in pixels) of the column.
         /// </summary>

Source/Editor/GUI/ContextMenu/ContextMenuBase.cs

@@ -1,10 +1,7 @@
-#if PLATFORM_WINDOWS || PLATFORM_SDL
+#if PLATFORM_WINDOWS
 #define USE_IS_FOREGROUND
 #else
 #endif
-#if PLATFORM_SDL
-#define USE_SDL_WORKAROUNDS
-#endif
 // Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
 
 using System.Collections.Generic;
@@ -114,7 +111,7 @@ namespace FlaxEditor.GUI.ContextMenu
         }
 
         /// <summary>
-        /// Shows the empty menu popup on a screen.
+        /// Shows the empty menu popup o na screen.
         /// </summary>
         /// <param name="control">The target control.</param>
         /// <param name="area">The target control area to cover.</param>
@@ -218,7 +215,7 @@ namespace FlaxEditor.GUI.ContextMenu
             desc.AllowMaximize = false;
             desc.AllowDragAndDrop = false;
             desc.IsTopmost = true;
-            desc.Type = WindowType.Utility;
+            desc.IsRegularWindow = false;
             desc.HasSizingFrame = false;
             OnWindowCreating(ref desc);
             _window = Platform.CreateWindow(ref desc);
@@ -231,6 +228,8 @@ namespace FlaxEditor.GUI.ContextMenu
 
             // Show
             Visible = true;
+            if (_window == null)
+                return;
             _window.Show();
             PerformLayout();
             _previouslyFocused = parentWin.FocusedControl;
@@ -379,11 +378,6 @@ namespace FlaxEditor.GUI.ContextMenu
             }
         }
 
-#if USE_SDL_WORKAROUNDS
-        private void OnWindowGotFocus()
-        {
-        }
-#else
         private void OnWindowGotFocus()
         {
             var child = _childCM;
@@ -397,7 +391,6 @@ namespace FlaxEditor.GUI.ContextMenu
                 });
             }
         }
-#endif
 
         private void OnWindowLostFocus()
         {
@@ -496,12 +489,7 @@ namespace FlaxEditor.GUI.ContextMenu
             // Let root context menu to check if none of the popup windows
             if (_parentCM == null && !IsForeground)
             {
-#if USE_SDL_WORKAROUNDS
-                if (!IsMouseOver)
-                    Hide();
-#else
                 Hide();
-#endif
             }
         }
 #endif

Source/Editor/GUI/Dialogs/ColorPickerDialog.cs

@@ -40,7 +40,6 @@ namespace FlaxEditor.GUI.Dialogs
         private bool _disableEvents;
         private bool _useDynamicEditing;
         private bool _activeEyedropper;
-        private bool _canPassLastChangeEvent = true;
         private ColorValueBox.ColorPickerEvent _onChanged;
         private ColorValueBox.ColorPickerClosedEvent _onClosed;
 
@@ -120,8 +119,10 @@ namespace FlaxEditor.GUI.Dialogs
             _onClosed = pickerClosed;
 
             // Get saved colors if they exist
-            if (Editor.Instance.ProjectCache.TryGetCustomData("ColorPickerSavedColors", out string savedColors))
+            if (Editor.Instance.ProjectCache.TryGetCustomData("ColorPickerSavedColors", out var savedColors))
+            {
                 _savedColors = JsonSerializer.Deserialize<List<Color>>(savedColors);
+            }
 
             // Selector
             _cSelector = new ColorSelectorWithSliders(180, 18)
@@ -381,7 +382,7 @@ namespace FlaxEditor.GUI.Dialogs
             {
                 for (int j = 0; j < numVer; j++)
                 {
-                    if ((i + j) % 2 == 0)
+                    if ((i + j) % 2 == 0 )
                     {
                         var rect = new Rectangle(newRect.X + smallRectSize * i, newRect.Y + smallRectSize * j, new Float2(smallRectSize));
                         Render2D.FillRectangle(rect, Color.Gray);
@@ -396,7 +397,7 @@ namespace FlaxEditor.GUI.Dialogs
         {
             // Auto cancel on lost focus
 #if !PLATFORM_LINUX
-            ((WindowRootControl)Root).Window.LostFocus += OnWindowLostFocus;
+            ((WindowRootControl)Root).Window.LostFocus += OnCancel;
 #endif
 
             base.OnShow();
@@ -505,7 +506,7 @@ namespace FlaxEditor.GUI.Dialogs
                     BackgroundColorHighlighted = savedColor,
                     BackgroundColorSelected = savedColor.RGBMultiplied(0.8f),
                 };
-                savedColorButton.ButtonClicked += OnSavedColorButtonClicked;
+                savedColorButton.ButtonClicked += (b) => OnSavedColorButtonClicked(b);
                 _savedColorButtons.Add(savedColorButton);
             }
             if (_savedColors.Count < 8)
@@ -517,24 +518,11 @@ namespace FlaxEditor.GUI.Dialogs
                     TooltipText = "Save Color.",
                     Tag = null,
                 };
-                savedColorButton.ButtonClicked += OnSavedColorButtonClicked;
+                savedColorButton.ButtonClicked += (b) => OnSavedColorButtonClicked(b);
                 _savedColorButtons.Add(savedColorButton);
             }
         }
 
-        private void OnWindowLostFocus()
-        {
-            // Auto apply color on defocus
-            var autoAcceptColorPickerChange = Editor.Instance.Options.Options.Interface.AutoAcceptColorPickerChange;
-            if (_useDynamicEditing && _initialValue != _value && _canPassLastChangeEvent && autoAcceptColorPickerChange)
-            {
-                _canPassLastChangeEvent = false;
-                _onChanged?.Invoke(_value, false);
-            }
-
-            OnCancel();
-        }
-
         /// <inheritdoc />
         public override void OnSubmit()
         {
@@ -559,9 +547,8 @@ namespace FlaxEditor.GUI.Dialogs
             _disableEvents = true;
 
             // Restore color if modified
-            if (_useDynamicEditing && _initialValue != _value && _canPassLastChangeEvent)
+            if (_useDynamicEditing && _initialValue != _value)
             {
-                _canPassLastChangeEvent = false;
                 _onChanged?.Invoke(_initialValue, false);
             }
 

Source/Editor/GUI/Docking/DockHintWindow.cs

@@ -67,7 +67,9 @@ namespace FlaxEditor.GUI.Docking
             Proxy.Window.MouseUp += OnMouseUp;
             Proxy.Window.MouseMove += OnMouseMove;
             Proxy.Window.LostFocus += OnLostFocus;
-            _toMove.Window.Window.MouseUp += OnMouseUp; // Intercept the drag release mouse event from source window
+
+            // Start tracking mouse
+            Proxy.Window.StartTrackingMouse(false);
 
             // Update window GUI
             Proxy.Window.GUI.PerformLayout();
@@ -75,16 +77,13 @@ namespace FlaxEditor.GUI.Docking
             // Update rectangles
             UpdateRects();
 
+            // Hide base window
+            window.Hide();
+
             // Enable hit window presentation
             Proxy.Window.RenderingEnabled = true;
             Proxy.Window.Show();
             Proxy.Window.Focus();
-            
-            // Hide base window
-            window.Hide();
-            
-            // Start tracking mouse
-            Proxy.Window.StartTrackingMouse(false);
         }
 
         /// <summary>
@@ -102,8 +101,6 @@ namespace FlaxEditor.GUI.Docking
             Proxy.Window.MouseUp -= OnMouseUp;
             Proxy.Window.MouseMove -= OnMouseMove;
             Proxy.Window.LostFocus -= OnLostFocus;
-            if (_toMove?.Window?.Window)
-                _toMove.Window.Window.MouseUp -= OnMouseUp;
 
             // Hide the proxy
             Proxy.Hide();
@@ -441,7 +438,7 @@ namespace FlaxEditor.GUI.Docking
                     settings.AllowMinimize = false;
                     settings.HasBorder = false;
                     settings.HasSizingFrame = false;
-                    settings.Type = WindowType.Utility;
+                    settings.IsRegularWindow = false;
                     settings.SupportsTransparency = true;
                     settings.ShowInTaskbar = false;
                     settings.ShowAfterFirstPaint = false;
@@ -473,7 +470,7 @@ namespace FlaxEditor.GUI.Docking
                 settings.AllowMinimize = false;
                 settings.HasBorder = false;
                 settings.HasSizingFrame = false;
-                settings.Type = WindowType.Utility;
+                settings.IsRegularWindow = false;
                 settings.SupportsTransparency = true;
                 settings.ShowInTaskbar = false;
                 settings.ActivateWhenFirstShown = false;

Source/Editor/GUI/Docking/DockPanel.cs

@@ -629,7 +629,7 @@ namespace FlaxEditor.GUI.Docking
 
         internal void MoveTabRight(int index)
         {
-            if (index < _tabs.Count - 1)
+            if (index < _tabs.Count - 2)
             {
                 var tab = _tabs[index];
                 _tabs.RemoveAt(index);

Source/Editor/GUI/Docking/DockPanelProxy.cs

@@ -51,7 +51,6 @@ namespace FlaxEditor.GUI.Docking
         public DockWindow StartDragAsyncWindow;
 
         private Rectangle HeaderRectangle => new Rectangle(0, 0, Width, DockPanel.DefaultHeaderHeight);
-        private bool IsSingleFloatingWindow => _panel.TabsCount == 1 && _panel.IsFloating && _panel.ChildPanelsCount == 0;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="DockPanelProxy"/> class.
@@ -188,10 +187,6 @@ namespace FlaxEditor.GUI.Docking
             var headerRect = HeaderRectangle;
             var tabsCount = _panel.TabsCount;
 
-            // Return and don't draw tab if only 1 window and it is floating
-            if (IsSingleFloatingWindow)
-                return;
-
             // Check if has only one window docked
             if (tabsCount == 1)
             {
@@ -326,9 +321,6 @@ namespace FlaxEditor.GUI.Docking
         /// <inheritdoc />
         public override bool OnMouseDoubleClick(Float2 location, MouseButton button)
         {
-            if (IsSingleFloatingWindow)
-                return base.OnMouseDoubleClick(location, button);
-
             // Maximize/restore on double click
             var tab = GetTabAtPos(location, out _);
             var rootWindow = tab?.RootWindow;
@@ -347,8 +339,6 @@ namespace FlaxEditor.GUI.Docking
         /// <inheritdoc />
         public override bool OnMouseDown(Float2 location, MouseButton button)
         {
-            if (IsSingleFloatingWindow)
-                return base.OnMouseDown(location, button);
             MouseDownWindow = GetTabAtPos(location, out IsMouseDownOverCross);
 
             // Check buttons
@@ -378,9 +368,6 @@ namespace FlaxEditor.GUI.Docking
         /// <inheritdoc />
         public override bool OnMouseUp(Float2 location, MouseButton button)
         {
-            if (IsSingleFloatingWindow)
-                return base.OnMouseUp(location, button);
-
             // Check tabs under mouse position at the beginning and at the end
             var tab = GetTabAtPos(location, out var overCross);
 
@@ -423,7 +410,7 @@ namespace FlaxEditor.GUI.Docking
         public override void OnMouseMove(Float2 location)
         {
             MousePosition = location;
-            if (IsMouseLeftButtonDown && !IsSingleFloatingWindow)
+            if (IsMouseLeftButtonDown)
             {
                 // Check if mouse is outside the header
                 if (!HeaderRectangle.Contains(location))
@@ -514,10 +501,7 @@ namespace FlaxEditor.GUI.Docking
         /// <inheritdoc />
         public override void GetDesireClientArea(out Rectangle rect)
         {
-            if (IsSingleFloatingWindow)
-                rect = new Rectangle(0, 0, Width, Height);
-            else
-                rect = new Rectangle(0, DockPanel.DefaultHeaderHeight, Width, Height - DockPanel.DefaultHeaderHeight);
+            rect = new Rectangle(0, DockPanel.DefaultHeaderHeight, Width, Height - DockPanel.DefaultHeaderHeight);
         }
 
         private DragDropEffect TrySelectTabUnderLocation(ref Float2 location)

Source/Editor/GUI/Docking/FloatWindowDockPanel.cs

@@ -82,7 +82,7 @@ namespace FlaxEditor.GUI.Docking
             settings.AllowMaximize = true;
             settings.AllowDragAndDrop = true;
             settings.IsTopmost = false;
-            settings.Type = WindowType.Regular;
+            settings.IsRegularWindow = true;
             settings.HasSizingFrame = true;
             settings.ShowAfterFirstPaint = false;
             settings.ShowInTaskbar = true;

Source/Editor/GUI/Input/ColorValueBox.cs

@@ -130,7 +130,7 @@ namespace FlaxEditor.GUI.Input
             base.Draw();
 
             var style = Style.Current;
-            var r = new Rectangle(0, 0, Width, Height);
+            var r = new Rectangle(2, 2, Width - 4, Height - 4);
 
             Render2D.FillRectangle(r, _value);
             Render2D.DrawRectangle(r, IsMouseOver || IsNavFocused ? style.BackgroundSelected : Color.Black);

Source/Editor/GUI/Input/SliderControl.cs

@@ -132,8 +132,6 @@ namespace FlaxEditor.GUI.Input
                 _isSliding = false;
                 EndMouseCapture();
                 SlidingEnd?.Invoke();
-                Defocus();
-                Parent?.Focus();
             }
 
             /// <summary>
@@ -185,8 +183,6 @@ namespace FlaxEditor.GUI.Input
                     {
                         // Click change
                         Value += (mousePosition < _thumbCenter ? -1 : 1) * 10;
-                        Defocus();
-                        Parent?.Focus();
                     }
                 }
 
@@ -201,10 +197,6 @@ namespace FlaxEditor.GUI.Input
                     // Update sliding
                     var slidePosition = location + Root.TrackingMouseOffset;
                     Value = Mathf.Remap(slidePosition.X, 4, TrackSize - 4, Minimum, Maximum);
-                    if (Mathf.NearEqual(Value, Maximum))
-                        Value = Maximum;
-                    else if (Mathf.NearEqual(Value, Minimum))
-                        Value = Minimum;
                 }
                 else
                 {
@@ -372,7 +364,7 @@ namespace FlaxEditor.GUI.Input
             };
             _slider.ValueChanged += SliderOnValueChanged;
             _slider.SlidingStart += SlidingStart;
-            _slider.SlidingEnd += SliderOnSliderEnd;
+            _slider.SlidingEnd += SlidingEnd;
             _textBox = new TextBox(false, split, 0)
             {
                 Text = _value.ToString(CultureInfo.InvariantCulture),
@@ -383,13 +375,6 @@ namespace FlaxEditor.GUI.Input
             _textBox.EditEnd += OnTextBoxEditEnd;
         }
 
-        private void SliderOnSliderEnd()
-        {
-            SlidingEnd?.Invoke();
-            Defocus();
-            Parent?.Focus();
-        }
-
         private void SliderOnValueChanged()
         {
             if (_valueIsChanging)
@@ -412,8 +397,6 @@ namespace FlaxEditor.GUI.Input
             {
                 UpdateText();
             }
-            Defocus();
-            Parent?.Focus();
         }
 
         /// <summary>

Source/Editor/GUI/Input/ValueBox.cs

@@ -266,7 +266,6 @@ namespace FlaxEditor.GUI.Input
             return base.OnMouseDown(location, button);
         }
 
-#if !PLATFORM_SDL
         /// <inheritdoc />
         public override void OnMouseMove(Float2 location)
         {
@@ -293,36 +292,6 @@ namespace FlaxEditor.GUI.Input
             base.OnMouseMove(location);
         }
 
-#else
-
-        /// <inheritdoc />
-        public override void OnMouseMoveRelative(Float2 mouseMotion)
-        {
-            var location = Root.TrackingMouseOffset;
-            if (_isSliding)
-            {
-                // Update sliding
-                ApplySliding(Root.TrackingMouseOffset.X * _slideSpeed);
-                return;
-            }
-
-            // Update cursor type so user knows they can slide value
-            if (CanUseSliding && SlideRect.Contains(location) && !_isSliding)
-            {
-                Cursor = CursorType.SizeWE;
-                _cursorChanged = true;
-            }
-            else if (_cursorChanged && !_isSliding)
-            {
-                Cursor = CursorType.Default;
-                _cursorChanged = false;
-            }
-
-            base.OnMouseMoveRelative(mouseMotion);
-        }
-
-#endif
-
         /// <inheritdoc />
         public override bool OnMouseUp(Float2 location, MouseButton button)
         {

Source/Editor/GUI/ItemsListContextMenu.cs

@@ -23,9 +23,6 @@ namespace FlaxEditor.GUI
         [HideInEditor]
         public class Item : Control
         {
-            private bool _isStartsWithMatch;
-            private bool _isFullMatch;
-
             /// <summary>
             /// The is mouse down flag.
             /// </summary>
@@ -46,11 +43,6 @@ namespace FlaxEditor.GUI
             /// </summary>
             public string Category;
 
-            /// <summary>
-            /// A computed score for the context menu order
-            /// </summary>
-            public float SortScore;
-
             /// <summary>
             /// Occurs when items gets clicked by the user.
             /// </summary>
@@ -69,69 +61,44 @@ namespace FlaxEditor.GUI
             {
             }
 
-            /// <summary>
-            /// Updates the <see cref="SortScore"/>
-            /// </summary>
-            public void UpdateScore()
-            {
-                SortScore = 0;
-
-                if (!Visible)
-                    return;
-
-                if (_highlights is { Count: > 0 })
-                    SortScore += 1;
-                if (_isStartsWithMatch)
-                    SortScore += 2;
-                if (_isFullMatch)
-                    SortScore += 5;
-            }
-
             /// <summary>
             /// Updates the filter.
             /// </summary>
             /// <param name="filterText">The filter text.</param>
             public void UpdateFilter(string filterText)
             {
-                _isStartsWithMatch = _isFullMatch = false;
-
                 if (string.IsNullOrWhiteSpace(filterText))
                 {
                     // Clear filter
                     _highlights?.Clear();
                     Visible = true;
-                    return;
                 }
-
-                if (QueryFilterHelper.Match(filterText, Name, out var ranges))
+                else
                 {
-                    // Update highlights
-                    if (_highlights == null)
-                        _highlights = new List<Rectangle>(ranges.Length);
-                    else
-                        _highlights.Clear();
-                    var style = Style.Current;
-                    var font = style.FontSmall;
-                    for (int i = 0; i < ranges.Length; i++)
+                    if (QueryFilterHelper.Match(filterText, Name, out var ranges))
                     {
-                        var start = font.GetCharPosition(Name, ranges[i].StartIndex);
-                        var end = font.GetCharPosition(Name, ranges[i].EndIndex);
-                        _highlights.Add(new Rectangle(start.X + 2, 0, end.X - start.X, Height));
-
-                        if (ranges[i].StartIndex <= 0)
+                        // Update highlights
+                        if (_highlights == null)
+                            _highlights = new List<Rectangle>(ranges.Length);
+                        else
+                            _highlights.Clear();
+                        var style = Style.Current;
+                        var font = style.FontSmall;
+                        for (int i = 0; i < ranges.Length; i++)
                         {
-                            _isStartsWithMatch = true;
-                            if (ranges[i].Length == Name.Length)
-                                _isFullMatch = true;
+                            var start = font.GetCharPosition(Name, ranges[i].StartIndex);
+                            var end = font.GetCharPosition(Name, ranges[i].EndIndex);
+                            _highlights.Add(new Rectangle(start.X + 2, 0, end.X - start.X, Height));
                         }
+                        Visible = true;
+                    }
+                    else
+                    {
+                        // Hide
+                        _highlights?.Clear();
+                        Visible = false;
                     }
-                    Visible = true;
-                    return;
                 }
-
-                // Hide
-                _highlights?.Clear();
-                Visible = false;
             }
 
             /// <summary>
@@ -211,14 +178,7 @@ namespace FlaxEditor.GUI
             public override int Compare(Control other)
             {
                 if (other is Item otherItem)
-                {
-                    int order = -1 * SortScore.CompareTo(otherItem.SortScore);
-                    if (order == 0)
-                    {
-                        order = string.Compare(Name, otherItem.Name, StringComparison.Ordinal);
-                    }
-                    return order;
-                }
+                    return string.Compare(Name, otherItem.Name, StringComparison.Ordinal);
                 return base.Compare(other);
             }
         }
@@ -289,10 +249,7 @@ namespace FlaxEditor.GUI
             for (int i = 0; i < items.Count; i++)
             {
                 if (items[i] is Item item)
-                {
                     item.UpdateFilter(_searchBox.Text);
-                    item.UpdateScore();
-                }
             }
             if (_categoryPanels != null)
             {
@@ -305,7 +262,6 @@ namespace FlaxEditor.GUI
                         if (category.Children[j] is Item item2)
                         {
                             item2.UpdateFilter(_searchBox.Text);
-                            item2.UpdateScore();
                             anyVisible |= item2.Visible;
                         }
                     }
@@ -317,8 +273,6 @@ namespace FlaxEditor.GUI
                 }
             }
 
-            SortItems();
-
             UnlockChildrenRecursive();
             PerformLayout(true);
             _searchBox.Focus();

Source/Editor/GUI/MainMenu.cs

@@ -12,7 +12,7 @@ namespace FlaxEditor.GUI
     /// <seealso cref="FlaxEngine.GUI.ContainerControl" />
     public sealed class MainMenu : ContainerControl
     {
-#if PLATFORM_WINDOWS || PLATFORM_SDL
+#if PLATFORM_WINDOWS
         private bool _useCustomWindowSystem;
         private Image _icon;
         private Label _title;
@@ -67,7 +67,7 @@ namespace FlaxEditor.GUI
             AutoFocus = false;
             AnchorPreset = AnchorPresets.HorizontalStretchTop;
 
-#if PLATFORM_WINDOWS || PLATFORM_SDL
+#if PLATFORM_WINDOWS
             _useCustomWindowSystem = !Editor.Instance.Options.Options.Interface.UseNativeWindowSystem;
             if (_useCustomWindowSystem)
             {
@@ -166,7 +166,7 @@ namespace FlaxEditor.GUI
             }
         }
 
-#if PLATFORM_WINDOWS || PLATFORM_SDL
+#if PLATFORM_WINDOWS
         /// <inheritdoc />
         public override void Update(float deltaTime)
         {
@@ -291,7 +291,7 @@ namespace FlaxEditor.GUI
             if (base.OnMouseDoubleClick(location, button))
                 return true;
 
-#if PLATFORM_WINDOWS || PLATFORM_SDL
+#if PLATFORM_WINDOWS
             var child = GetChildAtRecursive(location);
             if (_useCustomWindowSystem && child is not Button && child is not MainMenuButton)
             {
@@ -321,7 +321,7 @@ namespace FlaxEditor.GUI
         {
             float x = 0;
 
-#if PLATFORM_WINDOWS || PLATFORM_SDL
+#if PLATFORM_WINDOWS
             if (_useCustomWindowSystem)
             {
                 // Icon
@@ -349,7 +349,7 @@ namespace FlaxEditor.GUI
                 }
             }
 
-#if PLATFORM_WINDOWS || PLATFORM_SDL
+#if PLATFORM_WINDOWS
             if (_useCustomWindowSystem)
             {
                 // Buttons
@@ -367,7 +367,7 @@ namespace FlaxEditor.GUI
 #endif
         }
 
-#if PLATFORM_WINDOWS || PLATFORM_SDL
+#if PLATFORM_WINDOWS
         /// <inheritdoc />
         public override void OnDestroy()
         {

Source/Editor/GUI/MainMenuButton.cs

@@ -42,7 +42,7 @@ namespace FlaxEditor.GUI
             Text = text;
 
             var style = Style.Current;
-#if PLATFORM_WINDOWS || PLATFORM_SDL
+#if PLATFORM_WINDOWS
             if (Editor.Instance.Options.Options.Interface.UseNativeWindowSystem)
             {
                 BackgroundColorMouseOver = style.BackgroundHighlighted;

Source/Editor/GUI/Popups/AssetSearchPopup.cs

@@ -38,7 +38,7 @@ namespace FlaxEditor.GUI
                 ContentItem = item;
                 ContentItem.AddReference(this);
 
-                OnItemRenamed(item);
+                Name = item.ShortName;
                 TooltipText = item.Path;
 
                 Height = IconSize + 4;
@@ -82,9 +82,7 @@ namespace FlaxEditor.GUI
             /// <inheritdoc />
             public void OnItemRenamed(ContentItem item)
             {
-                Name = item.ShortName;
-                if (item is ScriptItem)
-                    Name = item.FileName; // Show extension for scripts (esp. for .h and .cpp files of the same name)
+                Name = ContentItem.ShortName;
             }
 
             /// <inheritdoc />

Source/Editor/GUI/Table.cs

@@ -130,14 +130,12 @@ namespace FlaxEditor.GUI
 
             var style = Style.Current;
             var font = column.TitleFont ?? style.FontMedium;
-            var textRect = rect;
-            column.TitleMargin.ShrinkRectangle(ref textRect);
-            Render2D.DrawText(font, column.Title, textRect, column.TitleColor, column.TitleAlignment, TextAlignment.Center);
+            Render2D.DrawText(font, column.Title, rect, column.TitleColor, TextAlignment.Center, TextAlignment.Center);
 
             if (columnIndex < _columns.Length - 1)
             {
-                var splitRect = new Rectangle(rect.Right - 2, 2, 4, rect.Height - 4);
-                Render2D.FillRectangle(splitRect, _movingSplit == columnIndex || splitRect.Contains(_mousePos) ? style.BorderNormal : style.Background * 0.9f);
+                var splitRect = new Rectangle(rect.Right - 1, 2, 2, rect.Height - 4);
+                Render2D.FillRectangle(splitRect, _movingSplit == columnIndex || splitRect.Contains(_mousePos) ? style.BorderNormal : column.TitleBackgroundColor * 0.9f);
             }
         }
 
@@ -153,7 +151,7 @@ namespace FlaxEditor.GUI
                     {
                         rect.Width = GetColumnWidth(i);
 
-                        var splitRect = new Rectangle(rect.Right - 2, 2, 4, rect.Height - 4);
+                        var splitRect = new Rectangle(rect.Right - 1, 2, 2, rect.Height - 4);
                         if (splitRect.Contains(location))
                         {
                             // Start moving splitter
@@ -195,31 +193,6 @@ namespace FlaxEditor.GUI
 
                 PerformLayout();
             }
-            else
-            {
-                if (_columns != null && _splits != null)
-                {
-                    Rectangle rect = new Rectangle(0, 0, 0, _headerHeight);
-                    for (int i = 0; i < _columns.Length - 1; i++)
-                    {
-                        rect.Width = GetColumnWidth(i);
-
-                        var splitRect = new Rectangle(rect.Right - 2, 2, 4, rect.Height - 4);
-                        if (splitRect.Contains(location))
-                        {
-                            // Start moving splitter
-                            Cursor = CursorType.SizeWE;
-                            break;
-                        }
-                        else
-                        {
-                            Cursor = CursorType.Default;
-                        }
-
-                        rect.X += rect.Width;
-                    }
-                }
-            }
 
             base.OnMouseMove(location);
         }

Source/Editor/GUI/Timeline/Tracks/ConductorTrack.cs

@@ -130,7 +130,7 @@ namespace FlaxEditor.GUI.Timeline.Tracks
             /// The keyframes.
             /// </summary>
             [EditorDisplay("Keyframes", EditorDisplayAttribute.InlineStyle), ExpandGroups]
-            [Collection(CanReorderItems = false, CanResize = true)]
+            [Collection(CanReorderItems = false, ReadOnly = true)]
             public List<KeyValuePair<string, object>> Keyframes;
 
             /// <inheritdoc />