Fix managed wrapper function parameter handling for BytesContainer

#3823

.github/ISSUE_TEMPLATE/1-bug.yaml

@@ -0,0 +1,42 @@
+name: Bug Report
+description: File a bug report.
+title: "[Bug]: "
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to fill out this bug report! Please attach any minimal reproduction projects!
+  - type: textarea
+    id: description-area
+    attributes:
+      label: Description
+      description: Please provide a description of the bug and what you expected to happen.
+    validations:
+      required: true
+  - type: textarea
+    id: steps-area
+    attributes:
+      label: Steps to reproduce
+      description: Please provide reproduction steps if possible.
+    validations:
+      required: true
+  - type: dropdown
+    id: version
+    attributes:
+      label: Version
+      description: What version of Flax are you running?
+      options:
+        - '1.8'
+        - '1.9'
+        - '1.10'
+        - '1.11'
+        - master branch
+      default: 3
+    validations:
+      required: true
+  - type: textarea
+    id: logs
+    attributes:
+      label: Relevant logs
+      description: Please copy and paste any relevant log output. This will be automatically formatted into code, so no need for backticks.
+      render: shell

.github/ISSUE_TEMPLATE/2-feature-request.yaml

@@ -0,0 +1,22 @@
+name: Feature Request
+description: File a feature request.
+title: "[Request]: "
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to fill out a feature request!
+  - type: textarea
+    id: description-area
+    attributes:
+      label: Description
+      description: Please provide a description of the feature!
+    validations:
+      required: true
+  - type: textarea
+    id: benefits-area
+    attributes:
+      label: Benefits
+      description: Please provide what benefits this feature would provide to the engine!
+    validations:
+      required: true

.github/workflows/build_ios.yml

@@ -19,7 +19,7 @@ jobs:
     - name: Setup .NET
       uses: actions/setup-dotnet@v3
       with:
-        dotnet-version: 8.0.x
+        dotnet-version: 9.0.x
     - name: Setup .NET Workload
       run: |
         dotnet workload install ios
@@ -33,4 +33,4 @@ jobs:
         git lfs pull
     - name: Build
       run: |
-        ./Development/Scripts/Mac/CallBuildTool.sh -build -log -dotnet=8 -arch=ARM64 -platform=iOS -configuration=Release -buildtargets=FlaxGame
+        ./Development/Scripts/Mac/CallBuildTool.sh -build -log -dotnet=9 -arch=ARM64 -platform=iOS -configuration=Release -buildtargets=FlaxGame

Content/Editor/MaterialTemplates/Decal.shader

@@ -6,6 +6,7 @@
 @3
 
 #include "./Flax/Common.hlsl"
+#include "./Flax/Stencil.hlsl"
 #include "./Flax/MaterialCommon.hlsl"
 #include "./Flax/GBufferCommon.hlsl"
 @7
@@ -13,11 +14,14 @@
 META_CB_BEGIN(0, Data)
 float4x4 WorldMatrix;
 float4x4 InvWorld;
-float4x4 SVPositionToWorld;
+float4x4 SvPositionToWorld;
+float3 Padding0;
+uint RenderLayersMask;
 @1META_CB_END
 
 // Use depth buffer for per-pixel decal layering
 Texture2D DepthBuffer : register(t0);
+Texture2D<uint2> StencilBuffer : register(t1);
 
 // Material shader resources
 @2
@@ -27,12 +31,63 @@ struct MaterialInput
 	float3 WorldPosition;
 	float TwoSidedSign;
 	float2 TexCoord;
+	float4 TexCoord_DDX_DDY;
 	float3x3 TBN;
 	float4 SvPosition;
 	float3 PreSkinnedPosition;
 	float3 PreSkinnedNormal;
 };
 
+// Calculates decal texcoords for a given pixel position (sampels depth buffer and projects value to decal space).
+float2 SvPositionToDecalUV(float4 svPosition)
+{
+	float2 screenUV = svPosition.xy * ScreenSize.zw;
+	svPosition.z = SAMPLE_RT(DepthBuffer, screenUV).r;
+	float4 positionHS = mul(float4(svPosition.xyz, 1), SvPositionToWorld);
+	float3 positionWS = positionHS.xyz / positionHS.w;
+	float3 positionOS = mul(float4(positionWS, 1), InvWorld).xyz;
+	return positionOS.xz + 0.5f;
+}
+
+// Manually compute ddx/ddy for decal texture cooordinates to avoid the 2x2 pixels artifacts on the edges of geometry under decal
+// [Reference: https://www.humus.name/index.php?page=3D&ID=84]
+float4 CalculateTextureDerivatives(float4 svPosition, float2 texCoord)
+{
+	float4 svDiffX = float4(1, 0, 0, 0);
+	float2 uvDiffX0 = texCoord - SvPositionToDecalUV(svPosition - svDiffX);
+	float2 uvDiffX1 = SvPositionToDecalUV(svPosition + svDiffX) - texCoord;
+	float2 dx = dot(uvDiffX0, uvDiffX0) < dot(uvDiffX1, uvDiffX1) ? uvDiffX0 : uvDiffX1;
+
+	float4 svDiffY = float4(0, 1, 0, 0);
+	float2 uvDiffY0 = texCoord - SvPositionToDecalUV(svPosition - svDiffY);
+	float2 uvDiffY1 = SvPositionToDecalUV(svPosition + svDiffY) - texCoord;
+	float2 dy = dot(uvDiffY0, uvDiffY0) < dot(uvDiffY1, uvDiffY1) ? uvDiffY0 : uvDiffY1;
+
+	return float4(dx, dy);
+}
+
+// Computes the mipmap level for a specific texture dimensions to be sampled at decal texture cooordinates.
+// [Reference: https://hugi.scene.org/online/coding/hugi%2014%20-%20comipmap.htm]
+float CalculateTextureMipmap(MaterialInput input, float2 textureSize)
+{
+	float2 dx = input.TexCoord_DDX_DDY.xy * textureSize;
+	float2 dy = input.TexCoord_DDX_DDY.zw * textureSize;
+	float d = max(dot(dx, dx), dot(dy, dy));
+	return (0.5 * 0.5) * log2(d); // Hardcoded half-mip rate reduction to avoid artifacts when decal is moved over dither texture
+}
+float CalculateTextureMipmap(MaterialInput input, Texture2D t)
+{
+	float2 textureSize;
+	t.GetDimensions(textureSize.x, textureSize.y);
+	return CalculateTextureMipmap(input, textureSize);
+}
+float CalculateTextureMipmap(MaterialInput input, TextureCube t)
+{
+	float2 textureSize;
+	t.GetDimensions(textureSize.x, textureSize.y);
+	return CalculateTextureMipmap(input, textureSize);
+}
+
 // Transforms a vector from tangent space to world space
 float3 TransformTangentVectorToWorld(MaterialInput input, float3 tangentVector)
 {
@@ -116,7 +171,6 @@ Material GetMaterialPS(MaterialInput input)
 }
 
 // Input macro specified by the material: DECAL_BLEND_MODE
-
 #define DECAL_BLEND_MODE_TRANSLUCENT 0
 #define DECAL_BLEND_MODE_STAIN       1
 #define DECAL_BLEND_MODE_NORMAL      2
@@ -150,10 +204,18 @@ void PS_Decal(
 #endif
 	)
 {
+	// Stencil masking
+	uint stencilObjectLayer = STENCIL_BUFFER_OBJECT_LAYER(STENCIL_BUFFER_LOAD(StencilBuffer, SvPosition.xy));
+	if ((RenderLayersMask & (1 << stencilObjectLayer)) == 0)
+	{
+		clip(-1);
+		return;
+	}
+
 	float2 screenUV = SvPosition.xy * ScreenSize.zw;
 	SvPosition.z = SAMPLE_RT(DepthBuffer, screenUV).r;
 
-	float4 positionHS = mul(float4(SvPosition.xyz, 1), SVPositionToWorld);
+	float4 positionHS = mul(float4(SvPosition.xyz, 1), SvPositionToWorld);
 	float3 positionWS = positionHS.xyz / positionHS.w;
 	float3 positionOS = mul(float4(positionWS, 1), InvWorld).xyz;
 
@@ -166,8 +228,9 @@ void PS_Decal(
 	materialInput.TexCoord = decalUVs;
 	materialInput.TwoSidedSign = 1;
 	materialInput.SvPosition = SvPosition;
+	materialInput.TexCoord_DDX_DDY = CalculateTextureDerivatives(materialInput.SvPosition, materialInput.TexCoord);
 
-	// Build tangent to world transformation matrix
+	// Calculate tangent-space
 	float3 ddxWp = ddx(positionWS);
 	float3 ddyWp = ddy(positionWS);
 	materialInput.TBN[0] = normalize(ddyWp);

Content/Editor/MaterialTemplates/Features/ForwardShading.hlsl

@@ -27,7 +27,15 @@ TextureCube EnvProbe : register(t__SRV__);
 TextureCube SkyLightTexture : register(t__SRV__);
 Buffer<float4> ShadowsBuffer : register(t__SRV__);
 Texture2D<float> ShadowMap : register(t__SRV__);
+Texture3D VolumetricFogTexture : register(t__SRV__);
 @4// Forward Shading: Utilities
+// Public accessors for lighting data, use them as data binding might change but those methods will remain.
+LightData GetDirectionalLight() { return DirectionalLight; }
+LightData GetSkyLight() { return SkyLight; }
+ProbeData GetEnvironmentProbe() { return EnvironmentProbe; }
+ExponentialHeightFogData GetExponentialHeightFog() { return ExponentialHeightFog; }
+uint GetLocalLightsCount() { return LocalLightsCount; }
+LightData GetLocalLight(uint i) { return LocalLights[i]; }
 @5// Forward Shading: Shaders
 
 // Pixel Shader function for Forward Pass
@@ -76,9 +84,8 @@ void PS_Forward(
 	gBuffer.ShadingModel = MATERIAL_SHADING_MODEL;
 
 	// Calculate lighting from a single directional light
-	float4 shadowMask = 1.0f;
 	ShadowSample shadow = SampleDirectionalLightShadow(DirectionalLight, ShadowsBuffer, ShadowMap, gBuffer);
-	shadowMask = GetShadowMask(shadow);
+	float4 shadowMask = GetShadowMask(shadow);
 	float4 light = GetLighting(ViewPos, DirectionalLight, gBuffer, shadowMask, false, false);
 
 	// Calculate lighting from sky light
@@ -143,9 +150,27 @@ void PS_Forward(
 
 #endif
 
-#if USE_FOG
+#if USE_FOG && MATERIAL_SHADING_MODEL != SHADING_MODEL_UNLIT
 	// Calculate exponential height fog
-	float4 fog = GetExponentialHeightFog(ExponentialHeightFog, materialInput.WorldPosition, ViewPos, 0);
+#if DIRECTX && FEATURE_LEVEL < FEATURE_LEVEL_SM6
+	// TODO: fix D3D11/D3D10 bug with incorrect distance
+	float fogSceneDistance = distance(materialInput.WorldPosition, ViewPos);
+#else
+	float fogSceneDistance = gBuffer.ViewPos.z;
+#endif
+	float4 fog = GetExponentialHeightFog(ExponentialHeightFog, materialInput.WorldPosition, ViewPos, 0, fogSceneDistance);
+
+	if (ExponentialHeightFog.VolumetricFogMaxDistance > 0)
+	{
+		// Sample volumetric fog and mix it in
+		float2 screenUV = materialInput.SvPosition.xy * ScreenSize.zw;
+		float3 viewVector = materialInput.WorldPosition - ViewPos;
+		float sceneDepth = length(viewVector);
+		float depthSlice = sceneDepth / ExponentialHeightFog.VolumetricFogMaxDistance;
+		float3 volumeUV = float3(screenUV, depthSlice);
+		float4 volumetricFog = VolumetricFogTexture.SampleLevel(SamplerLinearClamp, volumeUV, 0);
+		fog = CombineVolumetricFog(fog, volumetricFog);
+	}
 
 	// Apply fog to the output color
 #if MATERIAL_BLEND == MATERIAL_BLEND_OPAQUE

Content/Editor/MaterialTemplates/GUI.shader

@@ -20,6 +20,8 @@ float TimeParam;
 float4 ViewInfo;
 float4 ScreenSize;
 float4 ViewSize;
+float3 ViewPadding0;
+float ScaledTimeParam;
 @1META_CB_END
 
 // Shader resources

Content/Editor/MaterialTemplates/Particle.shader

@@ -645,7 +645,7 @@ VertexOutput VS_Ribbon(RibbonInput input, uint vertexIndex : SV_VertexID)
 	materialInput.TBN = output.TBN;
 	materialInput.TwoSidedSign = 1;
 	materialInput.SvPosition = output.Position;
-	materialInput.PreSkinnedPosition = Position;
+	materialInput.PreSkinnedPosition = position;
 	materialInput.PreSkinnedNormal = tangentToLocal[2].xyz;
 	materialInput.InstanceOrigin = output.InstanceOrigin;
 	materialInput.InstanceParams = output.InstanceParams;	

Content/Editor/MaterialTemplates/PostProcess.shader

@@ -19,6 +19,8 @@ float4 ViewInfo;
 float4 ScreenSize;
 float4 TemporalAAJitter;
 float4x4 InverseViewProjectionMatrix;
+float3 ViewPadding0;
+float ScaledTimeParam;
 @1META_CB_END
 
 // Shader resources

Content/Editor/MaterialTemplates/Terrain.shader

@@ -15,6 +15,7 @@
 #include "./Flax/Common.hlsl"
 #include "./Flax/MaterialCommon.hlsl"
 #include "./Flax/GBufferCommon.hlsl"
+#include "./Flax/TerrainCommon.hlsl"
 @7
 // Primary constant buffer (with additional material parameters)
 META_CB_BEGIN(0, Data)
@@ -334,7 +335,7 @@ VertexOutput VS(TerrainVertexInput input)
 	float lodValue = CurrentLOD;
 	float morphAlpha = lodCalculated - CurrentLOD;
 
-	// Sample heightmap
+	// Sample heightmap and splatmaps
 	float2 heightmapUVs = input.TexCoord * HeightmapUVScaleBias.xy + HeightmapUVScaleBias.zw;
 #if USE_SMOOTH_LOD_TRANSITION
 	float4 heightmapValueThisLOD = Heightmap.SampleLevel(SamplerPointClamp, heightmapUVs, lodValue);
@@ -342,7 +343,6 @@ VertexOutput VS(TerrainVertexInput input)
 	float2 heightmapUVsNextLOD = nextLODPos * HeightmapUVScaleBias.xy + HeightmapUVScaleBias.zw;
 	float4 heightmapValueNextLOD = Heightmap.SampleLevel(SamplerPointClamp, heightmapUVsNextLOD, lodValue + 1);
 	float4 heightmapValue = lerp(heightmapValueThisLOD, heightmapValueNextLOD, morphAlpha);
-	bool isHole = max(heightmapValueThisLOD.b + heightmapValueThisLOD.a, heightmapValueNextLOD.b + heightmapValueNextLOD.a) >= 1.9f;
 #if USE_TERRAIN_LAYERS
 	float4 splatmapValueThisLOD = Splatmap0.SampleLevel(SamplerPointClamp, heightmapUVs, lodValue);
 	float4 splatmapValueNextLOD = Splatmap0.SampleLevel(SamplerPointClamp, heightmapUVsNextLOD, lodValue + 1);
@@ -355,7 +355,6 @@ VertexOutput VS(TerrainVertexInput input)
 #endif
 #else
 	float4 heightmapValue = Heightmap.SampleLevel(SamplerPointClamp, heightmapUVs, lodValue);
-	bool isHole = (heightmapValue.b + heightmapValue.a) >= 1.9f;
 #if USE_TERRAIN_LAYERS
 	float4 splatmap0Value = Splatmap0.SampleLevel(SamplerPointClamp, heightmapUVs, lodValue);
 #if TERRAIN_LAYERS_DATA_SIZE > 1
@@ -363,12 +362,11 @@ VertexOutput VS(TerrainVertexInput input)
 #endif
 #endif
 #endif
-	float height = (float)((int)(heightmapValue.x * 255.0) + ((int)(heightmapValue.y * 255) << 8)) / 65535.0;
+	float height = DecodeHeightmapHeight(heightmapValue);
 
 	// Extract normal and the holes mask
-	float2 normalTemp = float2(heightmapValue.b, heightmapValue.a) * 2.0f - 1.0f;
+	bool isHole;
-	float3 normal = float3(normalTemp.x, sqrt(1.0 - saturate(dot(normalTemp, normalTemp))), normalTemp.y);
+	float3 normal = DecodeHeightmapNormal(heightmapValue, isHole);
-	normal = normalize(normal);
 	output.Geometry.HolesMask = isHole ? 0 : 1;
 	if (isHole)
 	{
@@ -438,7 +436,6 @@ VertexOutput VS(TerrainVertexInput input)
 	// Apply world position offset per-vertex
 #if USE_POSITION_OFFSET
 	output.Geometry.WorldPosition += material.PositionOffset;
-	output.Geometry.PrevWorldPosition += material.PositionOffset;
 	output.Position = mul(float4(output.Geometry.WorldPosition, 1), ViewProjectionMatrix);
 #endif
 

Flax.flaxproj

@@ -2,9 +2,9 @@
   "Name": "Flax",
   "Version": {
     "Major": 1,
-    "Minor": 10,
+    "Minor": 11,
     "Revision": 0,
-    "Build": 6705
+    "Build": 6805
   },
   "Company": "Flax",
   "Copyright": "Copyright (c) 2012-2025 Wojciech Figat. All rights reserved.",

Flax.sln.DotSettings

@@ -73,6 +73,24 @@
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+	<s:String x:Key="/Default/CodeStyle/Naming/CppNamingOptions/Abbreviations/=CCD/@EntryIndexedValue">CCD</s:String>
+	<s:String x:Key="/Default/CodeStyle/Naming/CppNamingOptions/Abbreviations/=GPU/@EntryIndexedValue">GPU</s:String>
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+	<s:String x:Key="/Default/CodeStyle/Naming/CppNamingOptions/Rules/=DDF30C9A1DA74B4DBBC56D25FDF886AA/@EntryIndexedValue">&lt;NamingElement Priority="10" Title="Class and struct fields"&gt;&lt;Descriptor Static="Indeterminate" Constexpr="Indeterminate" Const="Indeterminate" Volatile="Indeterminate" Accessibility="NOT_APPLICABLE"&gt;&lt;type Name="class field" /&gt;&lt;type Name="struct field" /&gt;&lt;/Descriptor&gt;&lt;Policy Inspect="True" WarnAboutPrefixesAndSuffixes="False" Prefix="_" Suffix="" Style="aaBb" /&gt;&lt;/NamingElement&gt;</s:String>
+	<s:String x:Key="/Default/CodeStyle/Naming/CppNamingOptions/Rules/=EF70A6BF54ACE446971DDB32344C25A3/@EntryIndexedValue">&lt;NamingElement Priority="12" Title="Union members"&gt;&lt;Descriptor Static="Indeterminate" Constexpr="Indeterminate" Const="Indeterminate" Volatile="Indeterminate" Accessibility="NOT_APPLICABLE"&gt;&lt;type Name="union member" /&gt;&lt;/Descriptor&gt;&lt;Policy Inspect="True" WarnAboutPrefixesAndSuffixes="False" Prefix="" Suffix="" Style="AaBb" /&gt;&lt;/NamingElement&gt;</s:String>
+	<s:String x:Key="/Default/CodeStyle/Naming/CppNamingOptions/Rules/=F37818C54C323A4A80B1A478629985AE/@EntryIndexedValue">&lt;NamingElement Priority="2" Title="Enums"&gt;&lt;Descriptor Static="Indeterminate" Constexpr="Indeterminate" Const="Indeterminate" Volatile="Indeterminate" Accessibility="NOT_APPLICABLE"&gt;&lt;type Name="enum" /&gt;&lt;/Descriptor&gt;&lt;Policy Inspect="True" WarnAboutPrefixesAndSuffixes="False" Prefix="" Suffix="" Style="AaBb" /&gt;&lt;/NamingElement&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>
@@ -213,6 +231,7 @@
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=YZ/@EntryIndexedValue">YZ</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/PredefinedNamingRules/=PublicFields/@EntryIndexedValue">&lt;Policy Inspect="True" Prefix="" Suffix="" Style="AaBb"&gt;&lt;ExtraRule Prefix="_" Suffix="" Style="aaBb" /&gt;&lt;/Policy&gt;</s:String>
 	<s:String x:Key="/Default/Environment/Hierarchy/PsiConfigurationSettingsKey/CustomLocation/@EntryValue">C:\Users\Wojtek\AppData\Local\JetBrains\Transient\ReSharperPlatformVs15\v08_f9eacea9\SolutionCaches</s:String>
+	<s:Boolean x:Key="/Default/Environment/SettingsMigration/IsMigratorApplied/=JetBrains_002EReSharper_002EFeature_002EServices_002ECpp_002ECodeStyle_002ENaming_002ECppNamingOptionsMigration/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/Environment/SettingsMigration/IsMigratorApplied/=JetBrains_002EReSharper_002EFeature_002EServices_002ECpp_002ECodeStyle_002ESettingsUpgrade_002EFunctionReturnStyleSettingsUpgrader/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/Environment/SettingsMigration/IsMigratorApplied/=JetBrains_002EReSharper_002EFeature_002EServices_002ECpp_002ECodeStyle_002ESettingsUpgrade_002ENamespaceIndentationSettingsUpgrader/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/Environment/SettingsMigration/IsMigratorApplied/=JetBrains_002EReSharper_002EPsi_002ECSharp_002ECodeStyle_002ECSharpAttributeForSingleLineMethodUpgrade/@EntryIndexedValue">True</s:Boolean>
@@ -267,6 +286,7 @@
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=comperand/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=coord/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=cubemap/@EntryIndexedValue">True</s:Boolean>
+	<s:Boolean x:Key="/Default/UserDictionary/Words/=DDGI/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=Deformer/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=deformers/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=defragmentation/@EntryIndexedValue">True</s:Boolean>

ISSUE_TEMPLATE.md

@@ -1,19 +0,0 @@
-<!-- Please search existing issues for potential duplicates before filing yours:
-https://github.com/flaxengine/FlaxEngine/issues?q=is%3Aissue
--->
-
-**Issue description:**
-<!-- What happened, and what was expected. -->
-<!-- Log file, can be found in the project directory's `Logs` folder (optional) -->
-
-**Steps to reproduce:**
-<!-- Enter minimal reproduction steps if available. -->
-
-
-**Minimal reproduction project:**
-<!-- Recommended as it greatly speeds up debugging. Drag and drop a zip archive to upload it. -->
-
-
-**Flax version:**
-<!-- Specify version number. -->
-

README.md

@@ -6,7 +6,7 @@
 Flax Engine is a high quality modern 3D game engine written in C++ and C#.
 From stunning graphics to powerful scripts, it's designed for fast workflow with many ready-to-use features waiting for you right now. To learn more see the website ([www.flaxengine.com](https://flaxengine.com)).
 
-This repository contains full source code of the Flax Engine (excluding NDA-protected platforms support). Anyone is welcome to contribute or use the modified source in Flax-based games.
+This repository contains full source code of the Flax Engine (excluding NDA-protected platforms support). Documentation source is also available in a separate repository. Anyone is welcome to contribute or use the modified source in Flax-based games.
 
 # Development
 
@@ -46,21 +46,26 @@ Follow the instructions below to compile and run the engine from source.
 * Install Visual Studio Code
 * Install .NET 8 or 9 SDK ([https://dotnet.microsoft.com/en-us/download/dotnet/8.0](https://dotnet.microsoft.com/en-us/download/dotnet/8.0))
   * Ubuntu: `sudo apt install dotnet-sdk-8.0`
+  * Fedora: `sudo dnf install dotnet-sdk-8.0`
   * Arch: `sudo pacman -S dotnet-sdk-8.0 dotnet-runtime-8.0 dotnet-targeting-pack-8.0 dotnet-host`
 * Install Vulkan SDK ([https://vulkan.lunarg.com/](https://vulkan.lunarg.com/))
-  * Ubuntu: `sudo apt install vulkan-sdk`
+  * Ubuntu: `sudo apt install vulkan-sdk` (deprecated, follow official docs)
-  * Arch: `sudo pacman -S spirv-tools vulkan-headers vulkan-tools vulkan-validation-layers`
+  * Fedora: `sudo dnf install vulkan-headers vulkan-tools vulkan-validation-layers`
+  * Arch: `sudo pacman -S vulkan-headers vulkan-tools vulkan-validation-layers`
 * Install Git with LFS
   * Ubuntu: `sudo apt-get install git git-lfs`
   * Arch: `sudo pacman -S git git-lfs`
   * `git-lfs install`
 * Install the required packages:
   * Ubuntu: `sudo apt-get install libx11-dev libxcursor-dev libxinerama-dev zlib1g-dev`
+  * Fedora: `sudo dnf install libX11-devel libXcursor-devel  libXinerama-devel ghc-zlib-devel`
   * Arch: `sudo pacman -S base-devel libx11 libxcursor libxinerama zlib`
-* Install Clang compiler (version 6 or later):
+* Install Clang compiler (version 14 or later):
   * Ubuntu: `sudo apt-get install clang lldb lld`
+  * Fedora: `sudo dnf install clang llvm lldb lld`
   * Arch: `sudo pacman -S clang lldb lld`
 * Clone the repository (with LFS)
+  * git-lfs clone https://github.com/FlaxEngine/FlaxEngine.git
 * Run `./GenerateProjectFiles.sh`
 * Open workspace with Visual Code
 * Build and run (configuration and task named `Flax|Editor.Linux.Development|x64`)

Source/Editor/Analytics/EditorAnalytics.cpp

@@ -174,7 +174,9 @@ void EditorAnalytics::StartSession()
     // Bind events
     GameCooker::OnEvent.Bind<RegisterGameCookingStart>();
     ShadowsOfMordor::Builder::Instance()->OnBuildStarted.Bind<RegisterLightmapsBuildingStart>();
+#if LOG_ENABLE
     Log::Logger::OnError.Bind<RegisterError>();
+#endif
 }
 
 void EditorAnalytics::EndSession()
@@ -187,7 +189,9 @@ void EditorAnalytics::EndSession()
     // Unbind events
     GameCooker::OnEvent.Unbind<RegisterGameCookingStart>();
     ShadowsOfMordor::Builder::Instance()->OnBuildStarted.Unbind<RegisterLightmapsBuildingStart>();
+#if LOG_ENABLE
     Log::Logger::OnError.Unbind<RegisterError>();
+#endif
 
     // End session
     {

Source/Editor/Content/Create/CreateFileEntry.cs

@@ -13,6 +13,11 @@ namespace FlaxEditor.Content.Create
         /// <inheritdoc />
         public string ResultUrl { get; }
 
+        /// <summary>
+        /// Gets a value indicating wether a file can be created based on the current settings.
+        /// </summary>
+        public abstract bool CanBeCreated { get; }
+
         /// <summary>
         /// Gets a value indicating whether this entry has settings to modify.
         /// </summary>

Source/Editor/Content/Create/CreateFilesDialog.cs

@@ -60,7 +60,8 @@ namespace FlaxEditor.Content.Create
                 Text = "Create",
                 AnchorPreset = AnchorPresets.BottomRight,
                 Offsets = new Margin(-ButtonsWidth - ButtonsMargin, ButtonsWidth, -ButtonsHeight - ButtonsMargin, ButtonsHeight),
-                Parent = this
+                Parent = this,
+                Enabled = entry.CanBeCreated,
             };
             createButton.Clicked += OnSubmit;
             var cancelButton = new Button
@@ -68,7 +69,7 @@ namespace FlaxEditor.Content.Create
                 Text = "Cancel",
                 AnchorPreset = AnchorPresets.BottomRight,
                 Offsets = new Margin(-ButtonsWidth - ButtonsMargin - ButtonsWidth - ButtonsMargin, ButtonsWidth, -ButtonsHeight - ButtonsMargin, ButtonsHeight),
-                Parent = this
+                Parent = this,
             };
             cancelButton.Clicked += OnCancel;
 
@@ -77,7 +78,7 @@ namespace FlaxEditor.Content.Create
             {
                 AnchorPreset = AnchorPresets.HorizontalStretchTop,
                 Offsets = new Margin(2, 2, infoLabel.Bottom + 2, EditorHeight),
-                Parent = this
+                Parent = this,
             };
 
             // Settings editor
@@ -87,6 +88,7 @@ namespace FlaxEditor.Content.Create
             _dialogSize = new Float2(TotalWidth, panel.Bottom);
 
             _settingsEditor.Select(_entry.Settings);
+            _settingsEditor.Modified += () => createButton.Enabled = _entry.CanBeCreated;
         }
 
         /// <inheritdoc />

Source/Editor/Content/Create/ParticleEmitterCreateEntry.cs

@@ -12,6 +12,9 @@ namespace FlaxEditor.Content.Create
     /// <seealso cref="FlaxEditor.Content.Create.CreateFileEntry" />
     public class ParticleEmitterCreateEntry : CreateFileEntry
     {
+        /// <inheritdoc/>
+        public override bool CanBeCreated => true;
+
         /// <summary>
         /// Types of the emitter templates that can be created.
         /// </summary>

Source/Editor/Content/Create/PrefabCreateEntry.cs

@@ -14,6 +14,9 @@ namespace FlaxEditor.Content.Create
     /// <seealso cref="FlaxEditor.Content.Create.CreateFileEntry" />
     public class PrefabCreateEntry : CreateFileEntry
     {
+        /// <inheritdoc />
+        public override bool CanBeCreated => _options.RootActorType != null;
+
         /// <summary>
         /// The create options.
         /// </summary>
@@ -73,6 +76,9 @@ namespace FlaxEditor.Content.Create
     /// <seealso cref="FlaxEditor.Content.Create.CreateFileEntry" />
     public class WidgetCreateEntry : CreateFileEntry
     {
+        /// <inheritdoc/>
+        public override bool CanBeCreated => _options.RootControlType != null;
+
         /// <summary>
         /// The create options.
         /// </summary>
@@ -111,7 +117,8 @@ namespace FlaxEditor.Content.Create
 
             private static bool IsValid(Type type)
             {
-                return (type.IsPublic || type.IsNestedPublic) && !type.IsAbstract && !type.IsGenericType;
+                var controlTypes = Editor.Instance.CodeEditing.Controls.Get();
+                return (type.IsPublic || type.IsNestedPublic) && !type.IsAbstract && !type.IsGenericType && controlTypes.Contains(new ScriptType(type));
             }
         }
 

Source/Editor/Content/Create/SettingsCreateEntry.cs

@@ -17,6 +17,8 @@ namespace FlaxEditor.Content.Create
     /// <seealso cref="FlaxEditor.Content.Create.CreateFileEntry" />
     internal class SettingsCreateEntry : CreateFileEntry
     {
+        public override bool CanBeCreated => _options.Type != null;
+
         internal class Options
         {
             [Tooltip("The settings type.")]

Source/Editor/Content/Create/VisualScriptCreateEntry.cs

@@ -11,6 +11,9 @@ namespace FlaxEditor.Content.Create
     /// <seealso cref="FlaxEditor.Content.Create.CreateFileEntry" />
     public class VisualScriptCreateEntry : CreateFileEntry
     {
+        /// <inheritdoc/>
+        public override bool CanBeCreated => _options.BaseClass != null;
+
         /// <summary>
         /// The create options.
         /// </summary>

Source/Editor/Content/GUI/ContentView.cs

@@ -145,7 +145,7 @@ namespace FlaxEditor.Content.GUI
             set
             {
                 value = Mathf.Clamp(value, 0.3f, 3.0f);
-                if (!Mathf.NearEqual(value, _viewScale))
+                if (value != _viewScale)
                 {
                     _viewScale = value;
                     ViewScaleChanged?.Invoke();

Source/Editor/Content/Items/VisualScriptItem.cs

@@ -281,6 +281,13 @@ namespace FlaxEditor.Content
 
         private void CacheData()
         {
+            if (!_asset)
+            {
+                _parameters = Utils.GetEmptyArray<ScriptMemberInfo>();
+                _methods = Utils.GetEmptyArray<ScriptMemberInfo>();
+                _attributes = Utils.GetEmptyArray<Attribute>();
+                return;
+            }
             if (_parameters != null)
                 return;
             if (_asset.WaitForLoaded())
@@ -344,13 +351,13 @@ namespace FlaxEditor.Content
         }
 
         /// <inheritdoc />
-        public string Name => Path.GetFileNameWithoutExtension(_asset.Path);
+        public string Name => _asset ? Path.GetFileNameWithoutExtension(_asset.Path) : null;
 
         /// <inheritdoc />
         public string Namespace => string.Empty;
 
         /// <inheritdoc />
-        public string TypeName => JsonSerializer.GetStringID(_asset.ID);
+        public string TypeName => _asset ? JsonSerializer.GetStringID(_asset.ID) : null;
 
         /// <inheritdoc />
         public bool IsPublic => true;

Source/Editor/Content/Proxy/AssetProxy.cs

@@ -130,6 +130,11 @@ namespace FlaxEditor.Content
             eyeAdaptation.Mode = EyeAdaptationMode.None;
             eyeAdaptation.OverrideFlags |= EyeAdaptationSettingsOverride.Mode;
             preview.PostFxVolume.EyeAdaptation = eyeAdaptation;
+
+            var antiAliasing = preview.PostFxVolume.AntiAliasing;
+            antiAliasing.Mode = AntialiasingMode.FastApproximateAntialiasing;
+            antiAliasing.OverrideFlags |= AntiAliasingSettingsOverride.Mode;
+            preview.PostFxVolume.AntiAliasing = antiAliasing;
         }
     }
 }

Source/Editor/Content/Proxy/JsonAssetProxy.cs

@@ -65,6 +65,9 @@ namespace FlaxEditor.Content
     /// <seealso cref="FlaxEditor.Content.Create.CreateFileEntry" />
     public class GenericJsonCreateEntry : CreateFileEntry
     {
+        /// <inheritdoc/>
+        public override bool CanBeCreated => _options.Type != null; 
+
         /// <summary>
         /// The create options.
         /// </summary>

Source/Editor/Content/Proxy/ShaderSourceProxy.cs

@@ -10,11 +10,9 @@ using FlaxEngine;
 namespace FlaxEditor.Content
 {
     /// <summary>
-    /// Context proxy object for shader source files (represented by <see cref="ShaderSourceItem"/>).
+    /// Base class for shader source files.
     /// </summary>
-    /// <seealso cref="FlaxEditor.Content.ContentProxy" />
+    public abstract class ShaderBaseProxy : ContentProxy
-    [ContentContextMenu("New/Shader Source")]
-    public class ShaderSourceProxy : ContentProxy
     {
         /// <inheritdoc />
         public override bool CanCreate(ContentFolder targetLocation)
@@ -29,6 +27,21 @@ namespace FlaxEditor.Content
             return targetLocation.ShortName == "Source" && prevTargetLocation.ShortName == "Shaders";
         }
 
+        /// <inheritdoc />
+        public override EditorWindow Open(Editor editor, ContentItem item)
+        {
+            Editor.Instance.CodeEditing.OpenFile(item.Path);
+            return null;
+        }
+    }
+
+    /// <summary>
+    /// Context proxy object for shader source files (represented by <see cref="ShaderSourceItem"/>).
+    /// </summary>
+    /// <seealso cref="FlaxEditor.Content.ContentProxy" />
+    [ContentContextMenu("New/Shader Source (.shader)")]
+    public class ShaderSourceProxy : ShaderBaseProxy
+    {
         /// <inheritdoc />
         public override void Create(string outputPath, object arg)
         {
@@ -44,13 +57,6 @@ namespace FlaxEditor.Content
             File.WriteAllText(outputPath, shaderTemplate, Encoding.UTF8);
         }
 
-        /// <inheritdoc />
-        public override EditorWindow Open(Editor editor, ContentItem item)
-        {
-            Editor.Instance.CodeEditing.OpenFile(item.Path);
-            return null;
-        }
-
         /// <inheritdoc />
         public override Color AccentColor => Color.FromRGB(0x7542f5);
 
@@ -66,4 +72,33 @@ namespace FlaxEditor.Content
             return item is ShaderSourceItem;
         }
     }
+
+    /// <summary>
+    /// Context proxy object for shader header files.
+    /// </summary>
+    /// <seealso cref="FlaxEditor.Content.ContentProxy" />
+    [ContentContextMenu("New/Shader Header (.hlsl)")]
+    public class ShaderHeaderProxy : ShaderBaseProxy
+    {
+        /// <inheritdoc />
+        public override void Create(string outputPath, object arg)
+        {
+            File.WriteAllText(outputPath, "\n", Encoding.UTF8);
+        }
+
+        /// <inheritdoc />
+        public override Color AccentColor => Color.FromRGB(0x2545a5);
+
+        /// <inheritdoc />
+        public override string FileExtension => "hlsl";
+
+        /// <inheritdoc />
+        public override string Name => "Shader Header";
+
+        /// <inheritdoc />
+        public override bool IsProxyFor(ContentItem item)
+        {
+            return false;
+        }
+    }
 }

Source/Editor/Cooker/CookingData.h

@@ -20,13 +20,6 @@ class PlatformTools;
 #define GAME_BUILD_DOTNET_RUNTIME_MAX_VER 9
 #endif
 
-#if OFFICIAL_BUILD
-// Use the fixed .NET SDK version in packaged builds for compatibility (FlaxGame is precompiled with it)
-#define GAME_BUILD_DOTNET_VER TEXT("-dotnet=" MACRO_TO_STR(GAME_BUILD_DOTNET_RUNTIME_MIN_VER))
-#else
-#define GAME_BUILD_DOTNET_VER TEXT("")
-#endif
-
 /// <summary>
 /// Game building options. Used as flags.
 /// </summary>
@@ -374,6 +367,8 @@ public:
     /// </summary>
     void GetBuildPlatformName(const Char*& platform, const Char*& architecture) const;
 
+    String GetDotnetCommandArg() const;
+
 public:
 
     /// <summary>

Source/Editor/Cooker/GameCooker.cpp

@@ -30,6 +30,7 @@
 #include "Engine/Scripting/ManagedCLR/MAssembly.h"
 #include "Engine/Content/JsonAsset.h"
 #include "Engine/Content/AssetReference.h"
+#include "Engine/Profiler/ProfilerMemory.h"
 #if PLATFORM_TOOLS_WINDOWS
 #include "Platform/Windows/WindowsPlatformTools.h"
 #include "Engine/Platform/Windows/WindowsPlatformSettings.h"
@@ -311,6 +312,14 @@ void CookingData::GetBuildPlatformName(const Char*& platform, const Char*& archi
     }
 }
 
+String CookingData::GetDotnetCommandArg() const
+{
+    int32 version = Tools->GetDotnetVersion();
+    if (version == 0)
+        return String::Empty;
+    return String::Format(TEXT("-dotnet={}"), version);
+}
+
 void CookingData::StepProgress(const String& info, const float stepProgress) const
 {
     const float singleStepProgress = 1.0f / (StepsCount + 1);
@@ -380,6 +389,7 @@ bool GameCooker::IsCancelRequested()
 
 PlatformTools* GameCooker::GetTools(BuildPlatform platform)
 {
+    PROFILE_MEM(Editor);
     PlatformTools* result = nullptr;
     if (!Tools.TryGet(platform, result))
     {
@@ -471,6 +481,7 @@ bool GameCooker::Build(BuildPlatform platform, BuildConfiguration configuration,
         LOG(Error, "Build platform {0} is not supported.", ::ToString(platform));
         return true;
     }
+    PROFILE_MEM(Editor);
 
     // Setup
     CancelFlag = 0;
@@ -624,6 +635,7 @@ void GameCookerImpl::ReportProgress(const String& info, float totalProgress)
 
 void GameCookerImpl::OnCollectAssets(HashSet<Guid>& assets)
 {
+    PROFILE_MEM(Editor);
     if (Internal_OnCollectAssets == nullptr)
     {
         auto c = GameCooker::GetStaticClass();
@@ -651,6 +663,7 @@ void GameCookerImpl::OnCollectAssets(HashSet<Guid>& assets)
 
 bool GameCookerImpl::Build()
 {
+    PROFILE_MEM(Editor);
     CookingData& data = *Data;
     LOG(Info, "Starting Game Cooker...");
     LOG(Info, "Platform: {0}, Configuration: {2}, Options: {1}", ::ToString(data.Platform), (int32)data.Options, ::ToString(data.Configuration));
@@ -670,8 +683,7 @@ bool GameCookerImpl::Build()
 
     MCore::Thread::Attach();
 
-    // Build Started
+    // Build start
-    if (!EnumHasAnyFlags(data.Options, BuildOptions::NoCook))
     {
         CallEvent(GameCooker::EventType::BuildStarted);
         data.Tools->OnBuildStarted(data);
@@ -744,8 +756,8 @@ bool GameCookerImpl::Build()
     }
     IsRunning = false;
     CancelFlag = 0;
-    if (!EnumHasAnyFlags(data.Options, BuildOptions::NoCook))
     {
+        // Build end
         for (int32 stepIndex = 0; stepIndex < Steps.Count(); stepIndex++)
             Steps[stepIndex]->OnBuildEnded(data, failed);
         data.Tools->OnBuildEnded(data, failed);
@@ -778,6 +790,8 @@ int32 GameCookerImpl::ThreadFunction()
 
 bool GameCookerService::Init()
 {
+    PROFILE_MEM(Editor);
+
     auto editorAssembly = ((NativeBinaryModule*)GetBinaryModuleFlaxEngine())->Assembly;
     editorAssembly->Unloading.Bind(OnEditorAssemblyUnloading);
     GameCooker::OnCollectAssets.Bind(OnCollectAssets);
@@ -789,6 +803,7 @@ void GameCookerService::Update()
 {
     if (IsRunning)
     {
+        PROFILE_MEM(Editor);
         ScopeLock lock(ProgressLocker);
 
         if (ProgressMsg.HasChars())

Source/Editor/Cooker/Platform/GDK/GDKPlatformTools.cpp

@@ -15,26 +15,32 @@
 #include "Editor/ProjectInfo.h"
 #include "Editor/Utilities/EditorUtilities.h"
 
-GDKPlatformTools::GDKPlatformTools()
+String GetGDK()
 {
-    // Find GDK
+    String gdk;
-    Platform::GetEnvironmentVariable(TEXT("GameDKLatest"), _gdkPath);
+    Platform::GetEnvironmentVariable(TEXT("GameDKLatest"), gdk);
-    if (_gdkPath.IsEmpty() || !FileSystem::DirectoryExists(_gdkPath))
+    if (gdk.IsEmpty() || !FileSystem::DirectoryExists(gdk))
     {
-        _gdkPath.Clear();
+        gdk.Clear();
-        Platform::GetEnvironmentVariable(TEXT("GRDKLatest"), _gdkPath);
+        Platform::GetEnvironmentVariable(TEXT("GRDKLatest"), gdk);
-        if (_gdkPath.IsEmpty() || !FileSystem::DirectoryExists(_gdkPath))
+        if (gdk.IsEmpty() || !FileSystem::DirectoryExists(gdk))
         {
-            _gdkPath.Clear();
+            gdk.Clear();
         }
         else
         {
-            if (_gdkPath.EndsWith(TEXT("GRDK\\")))
+            if (gdk.EndsWith(TEXT("GRDK\\")))
-                _gdkPath.Remove(_gdkPath.Length() - 6);
+                gdk.Remove(gdk.Length() - 6);
-            else if (_gdkPath.EndsWith(TEXT("GRDK")))
+            else if (gdk.EndsWith(TEXT("GRDK")))
-                _gdkPath.Remove(_gdkPath.Length() - 5);
+                gdk.Remove(gdk.Length() - 5);
         }
     }
+    return gdk;
+}
+
+GDKPlatformTools::GDKPlatformTools()
+{
+    _gdkPath = GetGDK();
 }
 
 DotNetAOTModes GDKPlatformTools::UseAOT() const
@@ -121,7 +127,7 @@ bool GDKPlatformTools::OnPostProcess(CookingData& data, GDKPlatformSettings* pla
         validName.Add('\0');
 
         sb.Append(TEXT("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"));
-        sb.Append(TEXT("<Game configVersion=\"0\">\n"));
+        sb.Append(TEXT("<Game configVersion=\"1\">\n"));
         sb.AppendFormat(TEXT("  <Identity Name=\"{0}\" Publisher=\"{1}\" Version=\"{2}\"/>\n"),
                         validName.Get(),
                         platformSettings->PublisherName.HasChars() ? platformSettings->PublisherName : TEXT("CN=") + gameSettings->CompanyName,
@@ -195,4 +201,9 @@ bool GDKPlatformTools::OnPostProcess(CookingData& data, GDKPlatformSettings* pla
     return false;
 }
 
+int32 GDKPlatformTools::GetDotnetVersion() const
+{
+    return GAME_BUILD_DOTNET_RUNTIME_MIN_VER;
+}
+
 #endif

Source/Editor/Cooker/Platform/GDK/GDKPlatformTools.h

@@ -26,6 +26,7 @@ public:
 public:
 
     // [PlatformTools]
+    int32 GetDotnetVersion() const override;
     DotNetAOTModes UseAOT() const override;
     bool OnDeployBinaries(CookingData& data) override;
 };

Source/Editor/Cooker/Platform/Mac/MacPlatformTools.cpp

@@ -186,7 +186,7 @@ bool MacPlatformTools::OnPostProcess(CookingData& data)
         ADD_ENTRY("CFBundlePackageType", "APPL");
         ADD_ENTRY("NSPrincipalClass", "NSApplication");
         ADD_ENTRY("LSApplicationCategoryType", "public.app-category.games");
-        ADD_ENTRY("LSMinimumSystemVersion", "10.15");
+        ADD_ENTRY("LSMinimumSystemVersion", "13");
         ADD_ENTRY("CFBundleIconFile", "icon.icns");
         ADD_ENTRY_STR("CFBundleExecutable", executableName);
         ADD_ENTRY_STR("CFBundleIdentifier", appIdentifier);
@@ -231,6 +231,8 @@ bool MacPlatformTools::OnPostProcess(CookingData& data)
     LOG(Info, "Building app package...");
     {
         const String dmgPath = data.OriginalOutputPath / appName + TEXT(".dmg");
+        if (FileSystem::FileExists(dmgPath))
+            FileSystem::DeleteFile(dmgPath);
         CreateProcessSettings procSettings;
         procSettings.HiddenWindow = true;
         procSettings.WorkingDirectory = data.OriginalOutputPath;

Source/Editor/Cooker/Platform/Windows/WindowsPlatformTools.cpp

@@ -528,6 +528,9 @@ bool WindowsPlatformTools::OnDeployBinaries(CookingData& data)
 
 void WindowsPlatformTools::OnBuildStarted(CookingData& data)
 {
+    if (EnumHasAllFlags(data.Options, BuildOptions::NoCook))
+        return;
+
     // Remove old executable
     Array<String> files;
     FileSystem::DirectoryGetFiles(files, data.NativeCodeOutputPath, TEXT("*.exe"), DirectorySearchOption::TopDirectoryOnly);

Source/Editor/Cooker/PlatformTools.h

@@ -70,6 +70,20 @@ public:
     /// </summary>
     virtual ArchitectureType GetArchitecture() const = 0;
 
+    /// <summary>
+    /// Gets the .Net version to use for the cooked game.
+    /// </summary>
+    virtual int32 GetDotnetVersion() const
+    {
+#if OFFICIAL_BUILD
+        // Use the fixed .NET SDK version in packaged builds for compatibility (FlaxGame is precompiled with it)
+        return GAME_BUILD_DOTNET_RUNTIME_MIN_VER;
+#else
+        // Use the highest version found on a system (Flax.Build will decide)
+        return 0;
+#endif
+    }
+
     /// <summary>
     /// Gets the value indicating whenever platform requires AOT (needs C# assemblies to be precompiled).
     /// </summary>

Source/Editor/Cooker/Steps/CompileScriptsStep.cpp

@@ -10,9 +10,10 @@
 #include "Engine/Serialization/JsonTools.h"
 #include "Engine/Serialization/JsonWriters.h"
 #include "Editor/Cooker/PlatformTools.h"
+#include "Engine/Engine/Globals.h"
 #include "Editor/Editor.h"
 #include "Editor/ProjectInfo.h"
-#include "Engine/Engine/Globals.h"
+#include "Editor/Utilities/EditorUtilities.h"
 #if PLATFORM_MAC
 #include <sys/stat.h>
 #endif
@@ -127,7 +128,7 @@ bool CompileScriptsStep::DeployBinaries(CookingData& data, const String& path, c
         const String dst = dstPath / StringUtils::GetFileName(file);
         if (dst == file)
             continue;
-        if (FileSystem::CopyFile(dst, file))
+        if (EditorUtilities::CopyFileIfNewer(dst, file))
         {
             data.Error(String::Format(TEXT("Failed to copy file from {0} to {1}."), file, dst));
             return true;
@@ -189,7 +190,7 @@ bool CompileScriptsStep::Perform(CookingData& data)
     const String logFile = data.CacheDirectory / TEXT("CompileLog.txt");
     auto args = String::Format(
         TEXT("-log -logfile=\"{4}\" -build -mutex -buildtargets={0} -platform={1} -arch={2} -configuration={3} -aotMode={5} {6}"),
-        target, platform, architecture, configuration, logFile, ToString(data.Tools->UseAOT()), GAME_BUILD_DOTNET_VER);
+        target, platform, architecture, configuration, logFile, ToString(data.Tools->UseAOT()), data.GetDotnetCommandArg());
 #if PLATFORM_WINDOWS
     if (data.Platform == BuildPlatform::LinuxX64)
 #elif PLATFORM_LINUX

Source/Editor/Cooker/Steps/CookAssetsStep.cpp

@@ -36,6 +36,7 @@
 #include "Engine/Engine/Base/GameBase.h"
 #include "Engine/Engine/Globals.h"
 #include "Engine/Tools/TextureTool/TextureTool.h"
+#include "Engine/Threading/Threading.h"
 #include "Engine/Profiler/ProfilerCPU.h"
 #include "Engine/Scripting/Enums.h"
 #if PLATFORM_TOOLS_WINDOWS
@@ -525,6 +526,7 @@ bool ProcessShaderBase(CookAssetsStep::AssetCookData& data, ShaderAssetBase* ass
 #if PLATFORM_TOOLS_XBOX_SCARLETT
     case BuildPlatform::XboxScarlett:
     {
+        options.Platform = PlatformType::XboxScarlett;
         const char* platformDefineName = "PLATFORM_XBOX_SCARLETT";
         COMPILE_PROFILE(DirectX_SM6, SHADER_FILE_CHUNK_INTERNAL_D3D_SM6_CACHE);
         break;
@@ -1366,6 +1368,9 @@ bool CookAssetsStep::Perform(CookingData& data)
             {
                 typeName = e.TypeName;
             }
+            if (e.Count == 1)
+                LOG(Info, "{0}:    1 asset  of total size {1}", typeName, Utilities::BytesToText(e.ContentSize));
+            else
                 LOG(Info, "{0}: {1:>4} assets of total size {2}", typeName, e.Count, Utilities::BytesToText(e.ContentSize));
         }
         LOG(Info, "");

Source/Editor/Cooker/Steps/DeployDataStep.cpp

@@ -88,7 +88,7 @@ bool DeployDataStep::Perform(CookingData& data)
             {
                 // Ask Flax.Build to provide .NET SDK location for the current platform
                 String sdks;
-                bool failed = ScriptsBuilder::RunBuildTool(String::Format(TEXT("-log -logMessagesOnly -logFileWithConsole -logfile=SDKs.txt -printSDKs {}"), GAME_BUILD_DOTNET_VER), data.CacheDirectory);
+                bool failed = ScriptsBuilder::RunBuildTool(String::Format(TEXT("-log -logMessagesOnly -logFileWithConsole -logfile=SDKs.txt -printSDKs {}"), data.GetDotnetCommandArg()), data.CacheDirectory);
                 failed |= File::ReadAllText(data.CacheDirectory / TEXT("SDKs.txt"), sdks);
                 int32 idx = sdks.Find(TEXT("DotNetSdk, "), StringSearchCase::CaseSensitive);
                 if (idx != -1)
@@ -200,7 +200,7 @@ bool DeployDataStep::Perform(CookingData& data)
                 String sdks;
                 const Char *platformName, *archName;
                 data.GetBuildPlatformName(platformName, archName);
-                String args = String::Format(TEXT("-log -logMessagesOnly -logFileWithConsole -logfile=SDKs.txt -printDotNetRuntime -platform={} -arch={} {}"), platformName, archName, GAME_BUILD_DOTNET_VER);
+                String args = String::Format(TEXT("-log -logMessagesOnly -logFileWithConsole -logfile=SDKs.txt -printDotNetRuntime -platform={} -arch={} {}"), platformName, archName, data.GetDotnetCommandArg());
                 bool failed = ScriptsBuilder::RunBuildTool(args, data.CacheDirectory);
                 failed |= File::ReadAllText(data.CacheDirectory / TEXT("SDKs.txt"), sdks);
                 Array<String> parts;
@@ -244,10 +244,13 @@ bool DeployDataStep::Perform(CookingData& data)
                     }
                     if (version.IsEmpty())
                     {
+                        int32 minVer = GAME_BUILD_DOTNET_RUNTIME_MIN_VER, maxVer = GAME_BUILD_DOTNET_RUNTIME_MAX_VER;
                         if (srcDotnetFromEngine)
                         {
                             // Detect version from runtime files inside Engine Platform folder
-                            for (int32 i = GAME_BUILD_DOTNET_RUNTIME_MAX_VER; i >= GAME_BUILD_DOTNET_RUNTIME_MIN_VER; i--)
+                            if (data.Tools->GetDotnetVersion() != 0)
+                                minVer = maxVer = data.Tools->GetDotnetVersion();
+                            for (int32 i = maxVer; i >= minVer; i--)
                             {
                                 // Check runtime files inside Engine Platform folder
                                 String testPath1 = srcDotnet / String::Format(TEXT("lib/net{}.0"), i);
@@ -262,7 +265,7 @@ bool DeployDataStep::Perform(CookingData& data)
                         }
                         if (version.IsEmpty())
                         {
-                            data.Error(String::Format(TEXT("Failed to find supported .NET {} version for the current host platform."), GAME_BUILD_DOTNET_RUNTIME_MIN_VER));
+                            data.Error(String::Format(TEXT("Failed to find supported .NET {} version (min {}) for {} platform."), maxVer, minVer, platformName));
                             return true;
                         }
                     }
@@ -364,7 +367,7 @@ bool DeployDataStep::Perform(CookingData& data)
             const String logFile = data.CacheDirectory / TEXT("StripDotnetLibs.txt");
             String args = String::Format(
                 TEXT("-log -logfile=\"{}\" -runDotNetClassLibStripping -mutex -binaries=\"{}\" {}"),
-                logFile, data.DataOutputPath, GAME_BUILD_DOTNET_VER);
+                logFile, data.DataOutputPath, data.GetDotnetCommandArg());
             for (const String& define : data.CustomDefines)
             {
                 args += TEXT(" -D");

Source/Editor/Cooker/Steps/PrecompileAssembliesStep.cpp

@@ -12,7 +12,7 @@
 void PrecompileAssembliesStep::OnBuildStarted(CookingData& data)
 {
     const DotNetAOTModes aotMode = data.Tools->UseAOT();
-    if (aotMode == DotNetAOTModes::None)
+    if (aotMode == DotNetAOTModes::None || EnumHasAllFlags(data.Options, BuildOptions::NoCook))
         return;
     const auto& buildSettings = *BuildSettings::Get();
 
@@ -59,6 +59,7 @@ bool PrecompileAssembliesStep::Perform(CookingData& data)
     data.StepProgress(infoMsg, 0);
 
     // Override Newtonsoft.Json with AOT-version (one that doesn't use System.Reflection.Emit)
+    // TODO: remove it since EngineModule does properly reference AOT lib now
     EditorUtilities::CopyFileIfNewer(data.ManagedCodeOutputPath / TEXT("Newtonsoft.Json.dll"), Globals::StartupFolder / TEXT("Source/Platforms/DotNet/AOT/Newtonsoft.Json.dll"));
     FileSystem::DeleteFile(data.ManagedCodeOutputPath / TEXT("Newtonsoft.Json.xml"));
     FileSystem::DeleteFile(data.ManagedCodeOutputPath / TEXT("Newtonsoft.Json.pdb"));
@@ -69,7 +70,7 @@ bool PrecompileAssembliesStep::Perform(CookingData& data)
     const String logFile = data.CacheDirectory / TEXT("AOTLog.txt");
     String args = String::Format(
         TEXT("-log -logfile=\"{}\" -runDotNetAOT -mutex -platform={} -arch={} -configuration={} -aotMode={} -binaries=\"{}\" -intermediate=\"{}\" {}"),
-        logFile, platform, architecture, configuration, ToString(aotMode), data.DataOutputPath, data.ManagedCodeOutputPath, GAME_BUILD_DOTNET_VER);
+        logFile, platform, architecture, configuration, ToString(aotMode), data.DataOutputPath, data.ManagedCodeOutputPath, data.GetDotnetCommandArg());
     if (!buildSettings.SkipUnusedDotnetLibsPackaging)
         args += TEXT(" -skipUnusedDotnetLibs=false"); // Run AOT on whole class library (not just used libs)
     for (const String& define : data.CustomDefines)

Source/Editor/CustomEditorWindow.cs

@@ -18,8 +18,8 @@ namespace FlaxEditor
             private readonly CustomEditorPresenter _presenter;
             private CustomEditorWindow _customEditor;
 
-            public Win(CustomEditorWindow customEditor)
+            public Win(CustomEditorWindow customEditor, bool hideOnClose, ScrollBars scrollBars)
-            : base(Editor.Instance, false, ScrollBars.Vertical)
+            : base(Editor.Instance, hideOnClose, scrollBars)
             {
                 Title = customEditor.GetType().Name;
                 _customEditor = customEditor;
@@ -64,9 +64,9 @@ namespace FlaxEditor
         /// <summary>
         /// Initializes a new instance of the <see cref="CustomEditorWindow"/> class.
         /// </summary>
-        protected CustomEditorWindow()
+        protected CustomEditorWindow(bool hideOnClose = false, ScrollBars scrollBars = ScrollBars.Vertical)
         {
-            _win = new Win(this);
+            _win = new Win(this, hideOnClose, scrollBars);
             ScriptsBuilder.ScriptsReloadBegin += OnScriptsReloadBegin;
         }
 

Source/Editor/CustomEditors/CustomEditor.cs

@@ -749,6 +749,15 @@ namespace FlaxEditor.CustomEditors
             }
         }
 
+        private Actor FindActor(CustomEditor editor)
+        {
+            if (editor.Values[0] is Actor actor)
+                return actor;
+            if (editor.ParentEditor != null)
+                return FindActor(editor.ParentEditor);
+            return null;
+        }
+
         private Actor FindPrefabRoot(CustomEditor editor)
         {
             if (editor.Values[0] is Actor actor)
@@ -767,32 +776,35 @@ namespace FlaxEditor.CustomEditors
             return FindPrefabRoot(actor.Parent);
         }
 
-        private SceneObject FindObjectWithPrefabObjectId(Actor actor, ref Guid prefabObjectId)
+        private SceneObject FindObjectWithPrefabObjectId(Actor actor, ref Guid prefabObjectId, Actor endPoint)
         {
+            var visited = new HashSet<Actor>();
+            return FindObjectWithPrefabObjectId(actor, ref prefabObjectId, endPoint, visited);
+        }
+
+        private SceneObject FindObjectWithPrefabObjectId(Actor actor, ref Guid prefabObjectId, Actor endPoint, HashSet<Actor> visited)
+        {
+            if (visited.Contains(actor) || actor is Scene || actor == endPoint)
+                return null;
             if (actor.PrefabObjectID == prefabObjectId)
                 return actor;
 
             for (int i = 0; i < actor.ScriptsCount; i++)
             {
-                if (actor.GetScript(i).PrefabObjectID == prefabObjectId)
+                var script = actor.GetScript(i);
-                {
+                if (script != null && script.PrefabObjectID == prefabObjectId)
-                    var a = actor.GetScript(i);
+                    return script;
-                    if (a != null)
-                        return a;
-                }
             }
 
             for (int i = 0; i < actor.ChildrenCount; i++)
             {
-                if (actor.GetChild(i).PrefabObjectID == prefabObjectId)
+                var child = actor.GetChild(i);
-                {
+                if (child != null && child.PrefabObjectID == prefabObjectId)
-                    var a = actor.GetChild(i);
+                    return child;
-                    if (a != null)
-                        return a;
-                }
             }
 
-            return null;
+            // Go up in the hierarchy
+            return FindObjectWithPrefabObjectId(actor.Parent, ref prefabObjectId, endPoint, visited);
         }
 
         /// <summary>
@@ -826,7 +838,7 @@ namespace FlaxEditor.CustomEditors
                 }
 
                 var prefabObjectId = referenceSceneObject.PrefabObjectID;
-                var prefabInstanceRef = FindObjectWithPrefabObjectId(prefabInstanceRoot, ref prefabObjectId);
+                var prefabInstanceRef = FindObjectWithPrefabObjectId(FindActor(this), ref prefabObjectId, prefabInstanceRoot);
                 if (prefabInstanceRef == null)
                 {
                     Editor.LogWarning("Missing prefab instance reference in the prefab instance. Cannot revert to it.");

Source/Editor/CustomEditors/CustomEditorPresenter.cs

@@ -3,6 +3,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using FlaxEditor.SceneGraph;
 using FlaxEditor.Scripting;
 using FlaxEngine;
 using FlaxEngine.GUI;
@@ -52,6 +53,21 @@ namespace FlaxEditor.CustomEditors
         /// </summary>
         /// <param name="nodes">The nodes to select</param>
         public void Select(List<SceneGraph.SceneGraphNode> nodes);
+
+        /// <summary>
+        /// Gets the current selection.
+        /// </summary>
+        public List<SceneGraphNode> Selection { get; }
+
+        /// <summary>
+        /// Indication of if the properties window is locked on specific objects.
+        /// </summary>
+        public bool LockSelection { get; set; }
+
+        /// <summary>
+        /// Gets the scene editing context.
+        /// </summary>
+        public ISceneEditingContext SceneContext { get; }
     }
 
     /// <summary>
@@ -81,6 +97,8 @@ namespace FlaxEditor.CustomEditors
                 Offsets = Margin.Zero;
                 Pivot = Float2.Zero;
                 IsScrollable = true;
+                Spacing = Utilities.Constants.UIMargin;
+                Margin = new Margin(Utilities.Constants.UIMargin);
             }
 
             /// <inheritdoc />
@@ -95,7 +113,7 @@ namespace FlaxEditor.CustomEditors
                 {
                     FlaxEditor.Editor.LogWarning(ex);
 
-                    // Refresh layout on errors to reduce lgo spam
+                    // Refresh layout on errors to reduce log spam
                     _presenter.BuildLayout();
                 }
 

Source/Editor/CustomEditors/CustomEditorsUtil.cpp

@@ -6,6 +6,8 @@
 #include "Engine/Core/Types/TimeSpan.h"
 #include "Engine/Core/Types/Stopwatch.h"
 #include "Engine/Core/Collections/Dictionary.h"
+#include "Engine/Profiler/ProfilerCPU.h"
+#include "Engine/Profiler/ProfilerMemory.h"
 #include "Engine/Engine/EngineService.h"
 #include "Engine/Scripting/Scripting.h"
 #include "Engine/Scripting/BinaryModule.h"
@@ -69,6 +71,7 @@ MTypeObject* CustomEditorsUtil::GetCustomEditor(MTypeObject* refType)
 
 bool CustomEditorsUtilService::Init()
 {
+    PROFILE_MEM(Editor);
     TRACK_ASSEMBLY(((NativeBinaryModule*)GetBinaryModuleFlaxEngine())->Assembly);
     Scripting::BinaryModuleLoaded.Bind(&OnBinaryModuleLoaded);
 
@@ -77,6 +80,8 @@ bool CustomEditorsUtilService::Init()
 
 void OnAssemblyLoaded(MAssembly* assembly)
 {
+    PROFILE_CPU_NAMED("CustomEditors.OnAssemblyLoaded");
+    PROFILE_MEM(Editor);
     Stopwatch stopwatch;
 
     // Prepare FlaxEngine

Source/Editor/CustomEditors/CustomEditorsUtil.cs

@@ -87,8 +87,11 @@ namespace FlaxEditor.CustomEditors
             var targetTypeType = TypeUtils.GetType(targetType);
             if (canUseRefPicker)
             {
+                // TODO: add generic way of CustomEditor for ref pickers (use it on AssetRefEditor/GPUTextureEditor/...)
                 if (typeof(Asset).IsAssignableFrom(targetTypeType))
                     return new AssetRefEditor();
+                if (typeof(GPUTexture).IsAssignableFrom(targetTypeType))
+                    return new GPUTextureEditor();
                 if (typeof(FlaxEngine.Object).IsAssignableFrom(targetTypeType))
                     return new FlaxObjectRefEditor();
             }

Source/Editor/CustomEditors/Dedicated/ActorEditor.cs

@@ -1,22 +1,20 @@
 // Copyright (c) Wojciech Figat. All rights reserved.
 
-using System;
-using System.Collections.Generic;
-using System.Linq;
 using FlaxEditor.Actions;
 using FlaxEditor.CustomEditors.Editors;
 using FlaxEditor.CustomEditors.Elements;
 using FlaxEditor.GUI;
 using FlaxEditor.GUI.ContextMenu;
 using FlaxEditor.GUI.Tree;
-using FlaxEditor.Modules;
 using FlaxEditor.Scripting;
-using FlaxEditor.Windows;
 using FlaxEditor.Windows.Assets;
 using FlaxEngine;
 using FlaxEngine.GUI;
 using FlaxEngine.Json;
 using FlaxEngine.Utilities;
+using System;
+using System.Collections.Generic;
+using System.Linq;
 
 namespace FlaxEditor.CustomEditors.Dedicated
 {
@@ -71,7 +69,7 @@ namespace FlaxEditor.CustomEditors.Dedicated
                         // Display prefab UI (when displaying object inside Prefab Window then display only nested prefabs)
                         prefab.GetNestedObject(ref prefabObjectId, out var nestedPrefabId, out var nestedPrefabObjectId);
                         var nestedPrefab = FlaxEngine.Content.Load<Prefab>(nestedPrefabId);
-                        var panel = layout.CustomContainer<UniformGridPanel>();
+                        var panel = layout.UniformGrid();
                         panel.CustomControl.Height = 20.0f;
                         panel.CustomControl.SlotsVertically = 1;
                         if (Presenter == Editor.Instance.Windows.PropertiesWin.Presenter || nestedPrefab)
@@ -133,35 +131,22 @@ namespace FlaxEditor.CustomEditors.Dedicated
             var actor = (Actor)Values[0];
             var scriptType = TypeUtils.GetType(actor.TypeName);
             var item = scriptType.ContentItem;
-            if (Presenter.Owner is PropertiesWindow propertiesWindow)
+            if (Presenter.Owner != null)
             {
-                var lockButton = cm.AddButton(propertiesWindow.LockObjects ? "Unlock" : "Lock");
+                var lockButton = cm.AddButton(Presenter.Owner.LockSelection ? "Unlock" : "Lock");
                 lockButton.ButtonClicked += button =>
                 {
-                    propertiesWindow.LockObjects = !propertiesWindow.LockObjects;
+                    var owner = Presenter?.Owner;
+                    if (owner == null)
+                        return;
+                    owner.LockSelection = !owner.LockSelection;
 
                     // Reselect current selection
-                    if (!propertiesWindow.LockObjects && Editor.Instance.SceneEditing.SelectionCount > 0)
+                    if (!owner.LockSelection && owner.Selection.Count > 0)
                     {
-                        var cachedSelection = Editor.Instance.SceneEditing.Selection.ToArray();
+                        var cachedSelection = owner.Selection.ToList();
-                        Editor.Instance.SceneEditing.Select(null);
+                        owner.Select(null);
-                        Editor.Instance.SceneEditing.Select(cachedSelection);
+                        owner.Select(cachedSelection);
-                    }
-                };
-            }
-            else if (Presenter.Owner is PrefabWindow prefabWindow)
-            {
-                var lockButton = cm.AddButton(prefabWindow.LockSelectedObjects ? "Unlock" : "Lock");
-                lockButton.ButtonClicked += button =>
-                {
-                    prefabWindow.LockSelectedObjects = !prefabWindow.LockSelectedObjects;
-
-                    // Reselect current selection
-                    if (!prefabWindow.LockSelectedObjects && prefabWindow.Selection.Count > 0)
-                    {
-                        var cachedSelection = prefabWindow.Selection.ToList();
-                        prefabWindow.Select(null);
-                        prefabWindow.Select(cachedSelection);
                     }
                 };
             }
@@ -254,10 +239,26 @@ namespace FlaxEditor.CustomEditors.Dedicated
                 node.TextColor = Color.OrangeRed;
                 node.Text = Utilities.Utils.GetPropertyNameUI(removed.PrefabObject.GetType().Name);
             }
+            // Removed Actor
+            else if (editor is RemovedActorDummy removedActor)
+            {
+                node.TextColor = Color.OrangeRed;
+                node.Text = $"{removedActor.PrefabObject.Name} ({Utilities.Utils.GetPropertyNameUI(removedActor.PrefabObject.GetType().Name)})";
+            }
             // Actor or Script
             else if (editor.Values[0] is SceneObject sceneObject)
             {
                 node.TextColor = sceneObject.HasPrefabLink ? FlaxEngine.GUI.Style.Current.ProgressNormal : FlaxEngine.GUI.Style.Current.BackgroundSelected;
+                if (editor.Values.Info != ScriptMemberInfo.Null)
+                {
+                    if (editor.Values.GetAttributes().FirstOrDefault(x => x is EditorDisplayAttribute) is EditorDisplayAttribute editorDisplayAttribute && !string.IsNullOrEmpty(editorDisplayAttribute.Name))
+                        node.Text = $"{Utilities.Utils.GetPropertyNameUI(editorDisplayAttribute.Name)} ({Utilities.Utils.GetPropertyNameUI(editor.Values.Info.Name)})";
+                    else
+                        node.Text = Utilities.Utils.GetPropertyNameUI(editor.Values.Info.Name);
+                }
+                else if (sceneObject is Actor actor)
+                    node.Text = $"{actor.Name} ({Utilities.Utils.GetPropertyNameUI(sceneObject.GetType().Name)})";
+                else
                     node.Text = Utilities.Utils.GetPropertyNameUI(sceneObject.GetType().Name);
             }
             // Array Item
@@ -268,6 +269,11 @@ namespace FlaxEditor.CustomEditors.Dedicated
             // Common type
             else if (editor.Values.Info != ScriptMemberInfo.Null)
             {
+                if (editor.Values.GetAttributes().FirstOrDefault(x => x is EditorDisplayAttribute) is EditorDisplayAttribute editorDisplayAttribute
+                    && !string.IsNullOrEmpty(editorDisplayAttribute.Name)
+                    && !editorDisplayAttribute.Name.Contains("_inline"))
+                    node.Text = $"{Utilities.Utils.GetPropertyNameUI(editorDisplayAttribute.Name)} ({Utilities.Utils.GetPropertyNameUI(editor.Values.Info.Name)})";
+                else
                     node.Text = Utilities.Utils.GetPropertyNameUI(editor.Values.Info.Name);
             }
             // Custom type
@@ -295,15 +301,39 @@ namespace FlaxEditor.CustomEditors.Dedicated
             }
         }
         
+        private class RemovedActorDummy : CustomEditor
+        {
+            /// <summary>
+            /// The removed prefab object (from the prefab default instance).
+            /// </summary>
+            public Actor PrefabObject;
+
+            /// <summary>
+            /// The prefab instance's parent.
+            /// </summary>
+            public Actor ParentActor;
+
+            /// <summary>
+            /// The order of the removed actor in the parent.
+            /// </summary>
+            public int OrderInParent;
+
+            /// <inheritdoc />
+            public override void Initialize(LayoutElementsContainer layout)
+            {
+                // Not used
+            }
+        }
+
         private TreeNode ProcessDiff(CustomEditor editor, bool skipIfNotModified = true)
         {
-            // Special case for new Script added to actor
+            // Special case for new Script or child actor added to actor
-            if (editor.Values[0] is Script script && !script.HasPrefabLink)
+            if ((editor.Values[0] is Script script && !script.HasPrefabLink) || (editor.Values[0] is Actor a && !a.HasPrefabLink))
                 return CreateDiffNode(editor);
 
             // Skip if no change detected
             var isRefEdited = editor.Values.IsReferenceValueModified;
-            if (!isRefEdited && skipIfNotModified)
+            if (!isRefEdited && skipIfNotModified && editor is not ScriptsEditor)
                 return null;
 
             TreeNode result = null;
@@ -316,7 +346,7 @@ namespace FlaxEditor.CustomEditors.Dedicated
                 var childEditor = editor.ChildrenEditors[i];
 
                 // Special case for root actor transformation (can be applied only in Prefab editor, not in Level)
-                if (isActorEditorInLevel && childEditor.Values.Info.Name is "LocalPosition" or "LocalOrientation" or "LocalScale")
+                if (isActorEditorInLevel && childEditor.Values.Info.Name is "LocalPosition" or "LocalOrientation" or "LocalScale" or "Name")
                     continue;
 
                 var child = ProcessDiff(childEditor, !isScriptEditorWithRefValue);
@@ -358,16 +388,80 @@ namespace FlaxEditor.CustomEditors.Dedicated
                 }
             }
 
+            // Compare child actors for removed actors.
+            if (editor is ActorEditor && editor.Values.HasReferenceValue && editor.Values.ReferenceValue is Actor prefabObjectActor)
+            {
+                var thisActor = editor.Values[0] as Actor;
+                for (int i = 0; i < prefabObjectActor.ChildrenCount; i++)
+                {
+                    var prefabActorChild = prefabObjectActor.Children[i];
+                    if (thisActor == null)
+                        continue;
+                    bool isRemoved = true;
+                    for (int j = 0; j < thisActor.ChildrenCount; j++)
+                    {
+                        var actorChild = thisActor.Children[j];
+                        if (actorChild.PrefabObjectID == prefabActorChild.PrefabObjectID)
+                        {
+                            isRemoved = false;
+                            break;
+                        }
+                    }
+                    if (isRemoved)
+                    {
+                        var dummy = new RemovedActorDummy
+                        {
+                            PrefabObject = prefabActorChild,
+                            ParentActor = thisActor,
+                            OrderInParent = prefabActorChild.OrderInParent,
+                        };
+                        var child = CreateDiffNode(dummy);
+                        if (result == null)
+                            result = CreateDiffNode(editor);
+                        result.AddChild(child);
+                    }
+                }
+            }
+
+            if (editor is ScriptsEditor && result != null && result.ChildrenCount == 0)
+                return null;
+
             return result;
         }
 
+        private TreeNode CreateDiffTree(Actor actor, CustomEditorPresenter presenter, LayoutElementsContainer layout)
+        {
+            var actorNode = Editor.Instance.Scene.GetActorNode(actor);
+            ValueContainer vc = new ValueContainer(ScriptMemberInfo.Null);
+            vc.SetType(new ScriptType(actorNode.EditableObject.GetType()));
+            vc.Add(actorNode.EditableObject);
+            var editor = CustomEditorsUtil.CreateEditor(vc, null, false);
+            editor.Initialize(presenter, layout, vc);
+            var node = ProcessDiff(editor, false);
+            layout.ClearLayout();
+            foreach (var child in actor.Children)
+            {
+                var childNode = CreateDiffTree(child, presenter, layout);
+                if (childNode == null)
+                    continue;
+                if (node == null)
+                    node = CreateDiffNode(editor);
+                node.AddChild(childNode);
+            }
+            return node;
+        }
+
         private void ViewChanges(Control target, Float2 targetLocation)
         {
             // Build a tree out of modified properties
-            var rootNode = ProcessDiff(this, false);
+            var thisActor = (Actor)Values[0];
+            var rootActor = thisActor.IsPrefabRoot ? thisActor : thisActor.GetPrefabRoot();
+            var presenter = new CustomEditorPresenter(null);
+            var layout = new CustomElementsContainer<ContainerControl>();
+            var rootNode = CreateDiffTree(rootActor, presenter, layout);
 
             // Skip if no changes detected
-            if (rootNode == null || rootNode.ChildrenCount == 0)
+            if (rootNode == null)
             {
                 var cm1 = new ContextMenu();
                 cm1.AddButton("No changes detected");
@@ -411,6 +505,15 @@ namespace FlaxEditor.CustomEditors.Dedicated
             Presenter.BuildLayoutOnUpdate();
         }
 
+        private static void GetAllPrefabObjects(List<object> objects, Actor actor)
+        {
+            objects.Add(actor);
+            objects.AddRange(actor.Scripts);
+            var children = actor.Children;
+            foreach (var child in children)
+                GetAllPrefabObjects(objects, child);
+        }
+
         private void OnDiffRevert(CustomEditor editor)
         {
             // Special case for removed Script from actor
@@ -432,6 +535,22 @@ namespace FlaxEditor.CustomEditors.Dedicated
                 return;
             }
 
+            // Special case for reverting removed Actors
+            if (editor is RemovedActorDummy removedActor)
+            {
+                Editor.Log("Reverting removed actor changes to prefab (adding it)");
+
+                var parentActor = removedActor.ParentActor;
+                var restored = parentActor.AddChild(removedActor.PrefabObject.GetType());
+                var prefabId = parentActor.PrefabID;
+                var prefabObjectId = removedActor.PrefabObject.PrefabObjectID;
+                string data = JsonSerializer.Serialize(removedActor.PrefabObject);
+                JsonSerializer.Deserialize(restored, data);
+                Presenter.Owner.SceneContext.Spawn(restored, parentActor, removedActor.OrderInParent);
+                Actor.Internal_LinkPrefab(FlaxEngine.Object.GetUnmanagedPtr(restored), ref prefabId, ref prefabObjectId);
+                return;
+            }
+
             // Special case for new Script added to actor
             if (editor.Values[0] is Script script && !script.HasPrefabLink)
             {
@@ -444,7 +563,36 @@ namespace FlaxEditor.CustomEditors.Dedicated
                 return;
             }
             
+            // Special case for new Actor added to actor
+            if (editor.Values[0] is Actor a && !a.HasPrefabLink)
+            {
+                Editor.Log("Reverting added actor changes to prefab (removing it)");
+
+                // TODO: Keep previous selection.
+                var context = Presenter.Owner.SceneContext;
+                context.Select(SceneGraph.SceneGraphFactory.FindNode(a.ID));
+                context.DeleteSelection();
+
+                return;
+            }
+
+            if (Presenter.Undo != null && Presenter.Undo.Enabled)
+            {
+                var thisActor = (Actor)Values[0];
+                var rootActor = thisActor.IsPrefabRoot ? thisActor : thisActor.GetPrefabRoot();
+                var prefabObjects = new List<object>();
+                GetAllPrefabObjects(prefabObjects, rootActor);
+                using (new UndoMultiBlock(Presenter.Undo, prefabObjects, "Revert to Prefab"))
+                {
                     editor.RevertToReferenceValue();
+                    editor.RefreshInternal();
+                }
+            }
+            else
+            {
+                editor.RevertToReferenceValue();
+                editor.RefreshInternal();
+            }
         }
     }
 }

Source/Editor/CustomEditors/Dedicated/AudioSourceEditor.cs

@@ -13,6 +13,8 @@ namespace FlaxEditor.CustomEditors.Dedicated
     public class AudioSourceEditor : ActorEditor
     {
         private Label _infoLabel;
+        private Slider _slider;
+        private AudioSource.States _slideStartState;
 
         /// <inheritdoc />
         public override void Initialize(LayoutElementsContainer layout)
@@ -28,7 +30,14 @@ namespace FlaxEditor.CustomEditors.Dedicated
                 _infoLabel = playbackGroup.Label(string.Empty).Label;
                 _infoLabel.AutoHeight = true;
 
-                var grid = playbackGroup.CustomContainer<UniformGridPanel>();
+                // Play back slider
+                var sliderElement = playbackGroup.CustomContainer<Slider>();
+                _slider = sliderElement.CustomControl;
+                _slider.ThumbSize = new Float2(_slider.ThumbSize.X * 0.5f, _slider.ThumbSize.Y);
+                _slider.SlidingStart += OnSlidingStart;
+                _slider.SlidingEnd += OnSlidingEnd;
+
+                var grid = playbackGroup.UniformGrid();
                 var gridControl = grid.CustomControl;
                 gridControl.ClipChildren = false;
                 gridControl.Height = Button.DefaultHeight;
@@ -40,6 +49,38 @@ namespace FlaxEditor.CustomEditors.Dedicated
             }
         }
 
+        private void OnSlidingEnd()
+        {
+            foreach (var value in Values)
+            {
+                if (value is AudioSource audioSource && audioSource.Clip)
+                {
+                    switch (_slideStartState)
+                    {
+                    case AudioSource.States.Playing:
+                        audioSource.Play();
+                        break;
+                    case AudioSource.States.Paused:
+                    case AudioSource.States.Stopped:
+                        audioSource.Pause();
+                        break;
+                    default: break;
+                    }
+                }
+            }
+        }
+
+        private void OnSlidingStart()
+        {
+            foreach (var value in Values)
+            {
+                if (value is AudioSource audioSource && audioSource.Clip)
+                {
+                    _slideStartState = audioSource.State;
+                }
+            }
+        }
+
         /// <inheritdoc />
         public override void Refresh()
         {
@@ -51,7 +92,29 @@ namespace FlaxEditor.CustomEditors.Dedicated
                 foreach (var value in Values)
                 {
                     if (value is AudioSource audioSource && audioSource.Clip)
+                    {
                         text += $"Time: {audioSource.Time:##0.0}s / {audioSource.Clip.Length:##0.0}s\n";
+                        _slider.Maximum = audioSource.Clip.Length;
+                        _slider.Minimum = 0;
+                        if (_slider.IsSliding)
+                        {
+                            if (audioSource.State != AudioSource.States.Playing)
+                            {
+                                // Play to move slider correctly
+                                audioSource.Play();
+                                audioSource.Time = _slider.Value;
+                            }
+                            else
+                            {
+                                audioSource.Time = _slider.Value;
+                            }
+                        }
+                        else
+                        {
+                            _slider.Value = audioSource.Time;
+                        }
+                        
+                    }
                 }
                 _infoLabel.Text = text;
             }

Source/Editor/CustomEditors/Dedicated/ClothEditor.cs

@@ -59,7 +59,7 @@ namespace FlaxEditor.CustomEditors.Dedicated
             var paintValue = new ReadOnlyValueContainer(new ScriptType(typeof(ClothPaintingGizmoMode)), _gizmoMode);
             paintGroup.Object(paintValue);
             {
-                var grid = paintGroup.CustomContainer<UniformGridPanel>();
+                var grid = paintGroup.UniformGrid();
                 var gridControl = grid.CustomControl;
                 gridControl.ClipChildren = false;
                 gridControl.Height = Button.DefaultHeight;

Source/Editor/CustomEditors/Dedicated/EnvironmentProbeEditor.cs

@@ -1,6 +1,7 @@
 // Copyright (c) Wojciech Figat. All rights reserved.
 
 using FlaxEngine;
+using FlaxEngine.GUI;
 
 namespace FlaxEditor.CustomEditors.Dedicated
 {
@@ -11,7 +12,7 @@ namespace FlaxEditor.CustomEditors.Dedicated
     [CustomEditor(typeof(EnvironmentProbe)), DefaultEditor]
     public class EnvironmentProbeEditor : ActorEditor
     {
-        private FlaxEngine.GUI.Button _bake;
+        private Button _bake;
 
         /// <inheritdoc />
         public override void Initialize(LayoutElementsContainer layout)
@@ -20,8 +21,9 @@ namespace FlaxEditor.CustomEditors.Dedicated
 
             if (Values.HasDifferentTypes == false)
             {
-                layout.Space(10);
+                var group = layout.Group("Bake");
-                _bake = layout.Button("Bake").Button;
+                group.Panel.ItemsMargin = new Margin(Utilities.Constants.UIMargin * 2);
+                _bake = group.Button("Bake").Button;
                 _bake.Clicked += BakeButtonClicked;
             }
         }

Source/Editor/CustomEditors/Dedicated/GPUTextureEditor.cs

@@ -0,0 +1,68 @@
+// Copyright (c) Wojciech Figat. All rights reserved.
+
+using FlaxEditor.GUI.ContextMenu;
+using FlaxEngine;
+using FlaxEngine.GUI;
+
+namespace FlaxEditor.CustomEditors.Dedicated
+{
+    /// <summary>
+    /// Basic editor/viewer for <see cref="GPUTexture"/>.
+    /// </summary>
+    [CustomEditor(typeof(GPUTexture)), DefaultEditor]
+    public class GPUTextureEditor : CustomEditor
+    {
+        private Image _image;
+
+        /// <inheritdoc />
+        public override DisplayStyle Style => DisplayStyle.Inline;
+
+        /// <inheritdoc />
+        public override void Initialize(LayoutElementsContainer layout)
+        {
+            _image = new Image
+            {
+                Brush = new GPUTextureBrush(),
+                Size = new Float2(200, 100),
+                Parent = layout.ContainerControl,
+            };
+            _image.Clicked += OnImageClicked;
+        }
+
+        private void OnImageClicked(Image image, MouseButton button)
+        {
+            var texture = Values[0] as GPUTexture;
+            if (!texture || button != MouseButton.Right)
+                return;
+            var menu = new ContextMenu();
+            menu.AddButton("Save...", () => Screenshot.Capture(Values[0] as GPUTexture));
+            menu.AddButton("Enlarge", () => _image.Size *= 2);
+            menu.AddButton("Shrink", () => _image.Size /= 2).Enabled = _image.Height > 32;
+            var location = image.PointFromScreen(Input.MouseScreenPosition);
+            menu.Show(image, location);
+        }
+
+        /// <inheritdoc />
+        public override void Refresh()
+        {
+            base.Refresh();
+
+            var texture = Values[0] as GPUTexture;
+            ((GPUTextureBrush)_image.Brush).Texture = texture;
+            if (texture)
+            {
+                var desc = texture.Description;
+#if BUILD_RELEASE
+                var name = string.Empty;
+#else
+                var name = texture.Name;
+#endif
+                _image.TooltipText = $"{name}\nType: {texture.ResourceType}\nSize: {desc.Width}x{desc.Height}\nFormat: {desc.Format}\nMemory: {Utilities.Utils.FormatBytesCount(texture.MemoryUsage)}";
+            }
+            else
+            {
+                _image.TooltipText = "None";
+            }
+        }
+    }
+}

Source/Editor/CustomEditors/Dedicated/LayersMatrixEditor.cs

@@ -1,6 +1,5 @@
 // Copyright (c) Wojciech Figat. All rights reserved.
 
-using System;
 using System.Collections.Generic;
 using FlaxEditor.Content.Settings;
 using FlaxEngine;
@@ -16,6 +15,11 @@ namespace FlaxEditor.CustomEditors.Dedicated
     {
         private int _layersCount;
         private List<CheckBox> _checkBoxes;
+        private VerticalPanel _upperRightCell;
+        private VerticalPanel _bottomLeftCell;
+        private UniformGridPanel _grid;
+        private Border _horizontalHighlight;
+        private Border _verticalHighlight;
 
         /// <inheritdoc />
         public override DisplayStyle Style => DisplayStyle.InlineIntoParent;
@@ -37,12 +41,29 @@ namespace FlaxEditor.CustomEditors.Dedicated
                 Parent = panel,
             };
 
+            var style = FlaxEngine.GUI.Style.Current;
+            _horizontalHighlight = new Border()
+            {
+                Parent = panel,
+                BorderColor = style.Foreground,
+                BorderWidth = 1.0f,
+                Visible = false,
+            };
+
+            _verticalHighlight = new Border()
+            {
+                Parent = panel,
+                BorderColor = style.Foreground,
+                BorderWidth = 1.0f,
+                Visible = false,
+            };
+
             var upperLeftCell = new Label
             {
                 Parent = gridPanel,
             };
 
-            var upperRightCell = new VerticalPanel
+            _upperRightCell = new VerticalPanel
             {
                 ClipChildren = false,
                 Pivot = new Float2(0.00001f, 0.0f),
@@ -54,7 +75,7 @@ namespace FlaxEditor.CustomEditors.Dedicated
                 Parent = gridPanel,
             };
 
-            var bottomLeftCell = new VerticalPanel
+            _bottomLeftCell = new VerticalPanel
             {
                 Pivot = Float2.Zero,
                 Spacing = 0,
@@ -63,7 +84,7 @@ namespace FlaxEditor.CustomEditors.Dedicated
                 Parent = gridPanel,
             };
 
-            var grid = new UniformGridPanel(0)
+            _grid = new UniformGridPanel(0)
             {
                 SlotsHorizontally = layersCount,
                 SlotsVertically = layersCount,
@@ -74,13 +95,13 @@ namespace FlaxEditor.CustomEditors.Dedicated
             int layerIndex = 0;
             for (; layerIndex < layerNames.Length; layerIndex++)
             {
-                upperRightCell.AddChild(new Label
+                _upperRightCell.AddChild(new Label
                 {
                     Height = labelsHeight,
                     Text = layerNames[layerNames.Length - layerIndex - 1],
                     HorizontalAlignment = TextAlignment.Near,
                 });
-                bottomLeftCell.AddChild(new Label
+                _bottomLeftCell.AddChild(new Label
                 {
                     Height = labelsHeight,
                     Text = layerNames[layerIndex],
@@ -90,13 +111,13 @@ namespace FlaxEditor.CustomEditors.Dedicated
             for (; layerIndex < layersCount; layerIndex++)
             {
                 string name = "Layer " + layerIndex;
-                upperRightCell.AddChild(new Label
+                _upperRightCell.AddChild(new Label
                 {
                     Height = labelsHeight,
                     Text = name,
                     HorizontalAlignment = TextAlignment.Near,
                 });
-                bottomLeftCell.AddChild(new Label
+                _bottomLeftCell.AddChild(new Label
                 {
                     Height = labelsHeight,
                     Text = name,
@@ -118,7 +139,7 @@ namespace FlaxEditor.CustomEditors.Dedicated
                     var box = new CheckBox(0, 0, true)
                     {
                         Tag = new Float2(_layersCount - column - 1, row),
-                        Parent = grid,
+                        Parent = _grid,
                         Checked = GetBit(column, row),
                     };
                     box.StateChanged += OnCheckBoxChanged;
@@ -126,7 +147,7 @@ namespace FlaxEditor.CustomEditors.Dedicated
                 }
                 for (; column < layersCount; column++)
                 {
-                    grid.AddChild(new Label());
+                    _grid.AddChild(new Label());
                 }
             }
         }
@@ -141,6 +162,18 @@ namespace FlaxEditor.CustomEditors.Dedicated
         /// <inheritdoc />
         public override void Refresh()
         {
+            int selectedColumn = -1;
+            int selectedRow = -1;
+            var style = FlaxEngine.GUI.Style.Current;
+            bool mouseOverGrid = _grid.IsMouseOver;
+
+            // Only hide highlights if mouse is not over the grid to reduce flickering
+            if (!mouseOverGrid)
+            {
+                _horizontalHighlight.Visible = false;
+                _verticalHighlight.Visible = false;
+            }
+
             // Sync check boxes
             for (int i = 0; i < _checkBoxes.Count; i++)
             {
@@ -148,6 +181,39 @@ namespace FlaxEditor.CustomEditors.Dedicated
                 int column = (int)((Float2)box.Tag).X;
                 int row = (int)((Float2)box.Tag).Y;
                 box.Checked = GetBit(column, row);
+                                
+                if (box.IsMouseOver)
+                {
+                    selectedColumn = column;
+                    selectedRow = row;
+
+                    _horizontalHighlight.X = _grid.X - _bottomLeftCell.Width;
+                    _horizontalHighlight.Y = _grid.Y + box.Y;
+                    _horizontalHighlight.Width = _bottomLeftCell.Width + box.Width + box.X;
+                    _horizontalHighlight.Height = box.Height;
+                    _horizontalHighlight.Visible = true;
+
+                    _verticalHighlight.X = _grid.X + box.X;
+                    _verticalHighlight.Y = _grid.Y - _upperRightCell.Height;
+                    _verticalHighlight.Width = box.Width;
+                    _verticalHighlight.Height = _upperRightCell.Height + box.Height + box.Y;
+                    _verticalHighlight.Visible = true;
+                }
+            }
+
+            for (int i = 0; i < _checkBoxes.Count; i++)
+            {
+                var box = _checkBoxes[i];
+                int column = (int)((Float2)box.Tag).X;
+                int row = (int)((Float2)box.Tag).Y;
+
+                if (!mouseOverGrid)
+                    box.ImageColor = style.BorderSelected;
+                else if (selectedColumn > -1 && selectedRow > -1)
+                {
+                    bool isRowOrColumn = column == selectedColumn || row == selectedRow;
+                    box.ImageColor = style.BorderSelected * (isRowOrColumn ? 1.2f : 0.75f);
+                }
             }
         }
 

Source/Editor/CustomEditors/Dedicated/LocalizationSettingsEditor.cs

@@ -92,12 +92,14 @@ namespace FlaxEditor.CustomEditors.Dedicated
 
                 // Update add button
                 var update = group.Button("Update").Button;
+                group.Space(0);
                 update.TooltipText = "Refreshes the dashboard statistics";
                 update.Height = 16.0f;
                 update.Clicked += RebuildLayout;
 
                 // New locale add button
                 var addLocale = group.Button("Add Locale...").Button;
+                group.Space(0);
                 addLocale.TooltipText = "Shows a locale picker and creates new localization for it with not translated string tables";
                 addLocale.Height = 16.0f;
                 addLocale.ButtonClicked += delegate(Button button)
@@ -167,12 +169,14 @@ namespace FlaxEditor.CustomEditors.Dedicated
 
                 // Export button
                 var exportLocalization = group.Button("Export...").Button;
+                group.Space(0);
                 exportLocalization.TooltipText = "Exports the localization strings into .pot file for translation";
                 exportLocalization.Height = 16.0f;
                 exportLocalization.Clicked += () => Export(tableEntries, allKeys);
 
                 // Find localized strings in code button
                 var findStringsCode = group.Button("Find localized strings in code").Button;
+                group.Space(0);
                 findStringsCode.TooltipText = "Searches for localized string usage in inside a project source files";
                 findStringsCode.Height = 16.0f;
                 findStringsCode.Clicked += delegate

Source/Editor/CustomEditors/Dedicated/ModelPrefabEditor.cs

@@ -54,7 +54,8 @@ public class ModelPrefabEditor : GenericEditor
         }
 
         // Creates the import path UI
-        Utilities.Utils.CreateImportPathUI(layout, modelPrefab.ImportPath, false);
+        var group = layout.Group("Import Path");
+        Utilities.Utils.CreateImportPathUI(group, modelPrefab.ImportPath);
 
         var button = layout.Button("Reimport", "Reimports the source asset as prefab.");
         _reimportButton = button.Button;

Source/Editor/CustomEditors/Dedicated/ParticleEffectEditor.cs

@@ -92,7 +92,7 @@ namespace FlaxEditor.CustomEditors.Dedicated
                 _infoLabel = playbackGroup.Label(string.Empty).Label;
                 _infoLabel.AutoHeight = true;
 
-                var grid = playbackGroup.CustomContainer<UniformGridPanel>();
+                var grid = playbackGroup.UniformGrid();
                 var gridControl = grid.CustomControl;
                 gridControl.ClipChildren = false;
                 gridControl.Height = Button.DefaultHeight;