_some prog with dynamic linking perhaps

# Conflicts:
#	Content/Shaders/GI/DDGI.flax
#	Content/Shaders/GUI.flax
#	Flax.flaxproj
#	Source/Editor/Windows/AboutDialog.cs
#	Source/Engine/Serialization/Stream.cpp
#	Source/Shaders/GUICommon.hlsl

.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/data/bt.sh

@@ -0,0 +1,17 @@
+#!/bin/sh
+# https://gist.github.com/ongardie/aa15f1f0d0e6b59890a9
+gdb -q --batch \
+               -ex 'handle SIGHUP nostop pass' \
+               -ex 'handle SIGQUIT nostop pass' \
+               -ex 'handle SIGPIPE nostop pass' \
+               -ex 'handle SIGALRM nostop pass' \
+               -ex 'handle SIGTERM nostop pass' \
+               -ex 'handle SIGUSR1 nostop pass' \
+               -ex 'handle SIGUSR2 nostop pass' \
+               -ex 'handle SIGCHLD nostop pass' \
+               -ex 'set print thread-events off' \
+               -return-child-result \
+               -ex 'run' \
+               -ex 'thread apply all bt' \
+               --tty=/dev/stdout \
+               --args $*

.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

.github/workflows/build_linux.yml

@@ -16,7 +16,8 @@ jobs:
       uses: actions/checkout@v3
     - name: Install dependencies
       run: |
-        sudo apt-get install libx11-dev libxcursor-dev libxinerama-dev build-essential gettext libtool libtool-bin libpulse-dev libasound2-dev libjack-dev portaudio19-dev libwayland-dev
+        sudo apt-get update
+        sudo apt-get install -y --fix-missing libx11-dev libxcursor-dev libxinerama-dev build-essential gettext libtool libtool-bin libpulse-dev libasound2-dev libjack-dev portaudio19-dev libwayland-dev
     - name: Setup Vulkan
       uses: ./.github/actions/vulkan
     - name: Setup .NET
@@ -44,7 +45,8 @@ jobs:
       uses: actions/checkout@v3
     - name: Install dependencies
       run: |
-        sudo apt-get install libx11-dev libxcursor-dev libxinerama-dev libwayland-dev
+        sudo apt-get update
+        sudo apt-get install -y --fix-missing libx11-dev libxcursor-dev libxinerama-dev build-essential gettext libtool libtool-bin libpulse-dev libasound2-dev libjack-dev portaudio19-dev libwayland-dev
     - name: Setup Vulkan
       uses: ./.github/actions/vulkan
     - name: Setup .NET

.github/workflows/cd.yml

@@ -87,7 +87,8 @@ jobs:
         git ${{ env.GIT_LFS_PULL_OPTIONS }} lfs pull
     - name: Install dependencies
       run: |
-        sudo apt-get install libx11-dev libxcursor-dev libxinerama-dev build-essential gettext libtool libtool-bin libpulse-dev libasound2-dev libjack-dev portaudio19-dev
+        sudo apt-get update
+        sudo apt-get install -y --fix-missing libx11-dev libxcursor-dev libxinerama-dev build-essential gettext libtool libtool-bin libpulse-dev libasound2-dev libjack-dev portaudio19-dev libwayland-dev
     - name: Setup Vulkan
       uses: ./.github/actions/vulkan
     - name: Setup .NET
@@ -118,7 +119,8 @@ jobs:
         git ${{ env.GIT_LFS_PULL_OPTIONS }} lfs pull
     - name: Install dependencies
       run: |
-        sudo apt-get install libx11-dev libxcursor-dev libxinerama-dev build-essential gettext libtool libtool-bin libpulse-dev libasound2-dev libjack-dev portaudio19-dev
+        sudo apt-get update
+        sudo apt-get install -y --fix-missing libx11-dev libxcursor-dev libxinerama-dev build-essential gettext libtool libtool-bin libpulse-dev libasound2-dev libjack-dev portaudio19-dev libwayland-dev
     - name: Setup Vulkan
       uses: ./.github/actions/vulkan
     - name: Setup .NET

.github/workflows/tests.yml

@@ -28,25 +28,23 @@ jobs:
         git lfs pull
     - name: Install dependencies
       run: |
-        sudo apt-get install libx11-dev libxcursor-dev libxinerama-dev build-essential gettext libtool libtool-bin libpulse-dev libasound2-dev libjack-dev portaudio19-dev libwayland-dev
+        sudo apt-get update
+        sudo apt-get install -y --fix-missing libx11-dev libxcursor-dev libxinerama-dev build-essential gettext libtool libtool-bin libpulse-dev libasound2-dev libjack-dev portaudio19-dev libwayland-dev gdb
+        chmod +x .github/data/bt.sh
     - name: Build
       run: |
         ./GenerateProjectFiles.sh -vs2022 -log -verbose -printSDKs -dotnet=8
-        ./Development/Scripts/Linux/CallBuildTool.sh -build -log -dotnet=8 -arch=x64 -platform=Linux -configuration=Development -buildtargets=FlaxTestsTarget
+        ./Development/Scripts/Linux/CallBuildTool.sh -build -log -dotnet=8 -arch=x64 -platform=Linux -configuration=Development -buildtargets=FlaxTestsTarget -UseLargeWorlds=true
         dotnet msbuild Source/Tools/Flax.Build.Tests/Flax.Build.Tests.csproj /m /t:Restore,Build /p:Configuration=Debug /p:Platform=AnyCPU /nologo
         dotnet msbuild Source/Tools/Flax.Build.Tests/Flax.Build.Tests.csproj /m /t:Restore,Build /p:Configuration=Debug /p:Platform=AnyCPU /nologo
     - name: Test
       run: |
-        ${GITHUB_WORKSPACE}/Binaries/Editor/Linux/Development/FlaxTests
+        ${GITHUB_WORKSPACE}/.github/data/bt.sh ./Binaries/Editor/Linux/Development/FlaxTests -headless
         dotnet test -f net8.0 Binaries/Tests/Flax.Build.Tests.dll
         cp Binaries/Editor/Linux/Development/FlaxEngine.CSharp.dll Binaries/Tests
         cp Binaries/Editor/Linux/Development/FlaxEngine.CSharp.runtimeconfig.json Binaries/Tests
         cp Binaries/Editor/Linux/Development/Newtonsoft.Json.dll Binaries/Tests
         dotnet test -f net8.0 Binaries/Tests/FlaxEngine.CSharp.dll
-    - name: Test UseLargeWorlds
-      run: |
-        ./Development/Scripts/Linux/CallBuildTool.sh -build -log -dotnet=8 -arch=x64 -platform=Linux -configuration=Development -buildtargets=FlaxTestsTarget -UseLargeWorlds=true
-        ${GITHUB_WORKSPACE}/Binaries/Editor/Linux/Development/FlaxTests
 
   # Tests on Windows
   tests-windows:
@@ -76,7 +74,7 @@ jobs:
       shell: pwsh
       run: |
         $ErrorActionPreference = "Stop"
-        .\Binaries\Editor\Win64\Development\FlaxTests.exe
+        .\Binaries\Editor\Win64\Development\FlaxTests.exe -headless
         if(!$?) { Write-Host "Tests failed with exit code $LastExitCode" -ForegroundColor Red; Exit $LastExitCode }
         dotnet test -f net8.0 Binaries\Tests\Flax.Build.Tests.dll
         xcopy /y Binaries\Editor\Win64\Development\FlaxEngine.CSharp.dll Binaries\Tests

.lfsconfig

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

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
@@ -14,10 +15,13 @@ META_CB_BEGIN(0, Data)
 float4x4 WorldMatrix;
 float4x4 InvWorld;
 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
@@ -38,10 +42,10 @@ struct MaterialInput
 float2 SvPositionToDecalUV(float4 svPosition)
 {
 	float2 screenUV = svPosition.xy * ScreenSize.zw;
-	svPosition.z = SAMPLE_RT(DepthBuffer, screenUV).r;
+	svPosition.z = SAMPLE_RT_DEPTH(DepthBuffer, screenUV);
-	float4 positionHS = mul(float4(svPosition.xyz, 1), SvPositionToWorld);
+	float4 positionHS = PROJECT_POINT(float4(svPosition.xyz, 1), SvPositionToWorld);
 	float3 positionWS = positionHS.xyz / positionHS.w;
-	float3 positionOS = mul(float4(positionWS, 1), InvWorld).xyz;
+	float3 positionOS = PROJECT_POINT(float4(positionWS, 1), InvWorld).xyz;
 	return positionOS.xz + 0.5f;
 }
 
@@ -178,10 +182,10 @@ META_VS_IN_ELEMENT(POSITION, 0, R32G32B32_FLOAT, 0, 0, PER_VERTEX, 0, true)
 void VS_Decal(in float3 Position : POSITION0, out float4 SvPosition : SV_Position)
 {
 	// Compute world space vertex position
-	float3 worldPosition = mul(float4(Position.xyz, 1), WorldMatrix).xyz;
+	float3 worldPosition = PROJECT_POINT(float4(Position.xyz, 1), WorldMatrix).xyz;
 
 	// Compute clip space position
-	SvPosition = mul(float4(worldPosition.xyz, 1), ViewProjectionMatrix);
+	SvPosition = PROJECT_POINT(float4(worldPosition.xyz, 1), ViewProjectionMatrix);
 }
 
 // Pixel Shader function for decals rendering
@@ -200,12 +204,20 @@ void PS_Decal(
 #endif
 	)
 {
-	float2 screenUV = SvPosition.xy * ScreenSize.zw;
+	// Stencil masking
-	SvPosition.z = SAMPLE_RT(DepthBuffer, screenUV).r;
+	uint stencilObjectLayer = STENCIL_BUFFER_OBJECT_LAYER(STENCIL_BUFFER_LOAD(StencilBuffer, SvPosition.xy));
+	if ((RenderLayersMask & (1 << stencilObjectLayer)) == 0)
+	{
+		clip(-1);
+		return;
+	}
 
-	float4 positionHS = mul(float4(SvPosition.xyz, 1), SvPositionToWorld);
+	float2 screenUV = SvPosition.xy * ScreenSize.zw;
+	SvPosition.z = SAMPLE_RT_DEPTH(DepthBuffer, screenUV);
+
+	float4 positionHS = PROJECT_POINT(float4(SvPosition.xyz, 1), SvPositionToWorld);
 	float3 positionWS = positionHS.xyz / positionHS.w;
-	float3 positionOS = mul(float4(positionWS, 1), InvWorld).xyz;
+	float3 positionOS = PROJECT_POINT(float4(positionWS, 1), InvWorld).xyz;
 
 	clip(0.5 - abs(positionOS.xyz));
 	float2 decalUVs = positionOS.xz + 0.5f;

Content/Editor/MaterialTemplates/Deformable.shader

@@ -308,7 +308,7 @@ VertexOutput VS_SplineModel(ModelInput input)
 	world = mul(world, WorldMatrix);
 
 	// Compute clip space position
-	output.Position = mul(float4(output.Geometry.WorldPosition, 1), ViewProjectionMatrix);
+	output.Position = PROJECT_POINT(float4(output.Geometry.WorldPosition, 1), ViewProjectionMatrix);
 
 	// Pass vertex attributes
 	output.Geometry.TexCoord = input.TexCoord0;
@@ -338,7 +338,7 @@ VertexOutput VS_SplineModel(ModelInput input)
 #if USE_POSITION_OFFSET
 	output.Geometry.WorldPosition += material.PositionOffset;
 	output.Geometry.PrevWorldPosition += material.PositionOffset;
-	output.Position = mul(float4(output.Geometry.WorldPosition, 1), ViewProjectionMatrix);
+	output.Position = PROJECT_POINT(float4(output.Geometry.WorldPosition, 1), ViewProjectionMatrix);
 #endif
 
 	// Get tessalation multiplier (per vertex)

Content/Editor/MaterialTemplates/Features/ForwardShading.hlsl

@@ -4,8 +4,8 @@
 #define MAX_LOCAL_LIGHTS 4
 @1// Forward Shading: Includes
 #include "./Flax/LightingCommon.hlsl"
-#if USE_REFLECTIONS
 #include "./Flax/ReflectionsCommon.hlsl"
+#if USE_REFLECTIONS
 #define MATERIAL_REFLECTIONS_SSR 1
 #if MATERIAL_REFLECTIONS == MATERIAL_REFLECTIONS_SSR
 #include "./Flax/SSR.hlsl"
@@ -14,11 +14,13 @@
 #include "./Flax/Lighting.hlsl"
 #include "./Flax/ShadowsSampling.hlsl"
 #include "./Flax/ExponentialHeightFog.hlsl"
+#include "./Flax/VolumetricFog.hlsl"
 @2// Forward Shading: Constants
 LightData DirectionalLight;
 LightData SkyLight;
-ProbeData EnvironmentProbe;
+EnvProbeData EnvironmentProbe;
 ExponentialHeightFogData ExponentialHeightFog;
+VolumetricFogData VolumetricFog;
 float3 Dummy2;
 uint LocalLightsCount;
 LightData LocalLights[MAX_LOCAL_LIGHTS];
@@ -27,12 +29,15 @@ 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__);
+Texture2D PreIntegratedGF : 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; }
+EnvProbeData GetEnvironmentProbe() { return EnvironmentProbe; }
 ExponentialHeightFogData GetExponentialHeightFog() { return ExponentialHeightFog; }
+VolumetricFogData GetVolumetricFog() { return VolumetricFog; }
 uint GetLocalLightsCount() { return LocalLightsCount; }
 LightData GetLocalLight(uint i) { return LocalLights[i]; }
 @5// Forward Shading: Shaders
@@ -107,7 +112,8 @@ void PS_Forward(
 
 	// Calculate reflections
 #if USE_REFLECTIONS
-	float3 reflections = SampleReflectionProbe(ViewPos, EnvProbe, EnvironmentProbe, gBuffer.WorldPos, gBuffer.Normal, gBuffer.Roughness).rgb;
+	float4 reflections = SampleReflectionProbe(ViewPos, EnvProbe, EnvironmentProbe, gBuffer.WorldPos, gBuffer.Normal, gBuffer.Roughness);
+	reflections.rgb *= reflections.a;
 
 #if MATERIAL_REFLECTIONS == MATERIAL_REFLECTIONS_SSR
 	// Screen Space Reflections
@@ -115,7 +121,7 @@ void PS_Forward(
 	Texture2D sceneColorTexture = MATERIAL_REFLECTIONS_SSR_COLOR;
 	float2 screenUV = materialInput.SvPosition.xy * ScreenSize.zw;
 	float stepSize = ScreenSize.z; // 1 / screenWidth
-	float maxSamples = 48;
+	float maxSamples = 50;
 	float worldAntiSelfOcclusionBias = 0.1f;
 	float brdfBias = 0.82f;
 	float drawDistance = 5000.0f;
@@ -123,7 +129,7 @@ void PS_Forward(
 	if (hit.z > 0)
 	{
 		float3 screenColor = sceneColorTexture.SampleLevel(SamplerPointClamp, hit.xy, 0).rgb;
-		reflections = lerp(reflections, screenColor, hit.z);
+		reflections.rgb = lerp(reflections.rgb, screenColor, hit.z);
 	}
 
 	// Fallback to software tracing if possible
@@ -135,23 +141,37 @@ void PS_Forward(
 		if (TraceSDFSoftwareReflections(gBuffer, reflectWS, surfaceAtlas))
 		{
 			float3 screenColor = sceneColorTexture.SampleLevel(SamplerPointClamp, hit.xy, 0).rgb;
-        	reflections = lerp(surfaceAtlas, float4(screenColor, 1), hit.z);
+        	reflections.rgb = lerp(surfaceAtlas, float4(screenColor, 1), hit.z);
 		}
 	}
 #endif
 #endif
 
-	light.rgb += reflections * GetReflectionSpecularLighting(ViewPos, gBuffer) * light.a;	
+	light.rgb += reflections.rgb * GetReflectionSpecularLighting(PreIntegratedGF, ViewPos, gBuffer);
 #endif
 
-	// Add lighting (apply ambient occlusion)
+	// Add lighting
-	output.rgb += light.rgb * gBuffer.AO;
+	output.rgb += light.rgb;
 
 #endif
 
 #if USE_FOG && MATERIAL_SHADING_MODEL != SHADING_MODEL_UNLIT
 	// Calculate exponential height fog
-	float4 fog = GetExponentialHeightFog(ExponentialHeightFog, materialInput.WorldPosition, ViewPos, 0, gBuffer.ViewPos.z);
+#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
+	float fogSkipDistance = max(ExponentialHeightFog.VolumetricFogMaxDistance - 100, 0);
+	float4 fog = GetExponentialHeightFog(ExponentialHeightFog, materialInput.WorldPosition, ViewPos, fogSkipDistance, fogSceneDistance);
+	if (ExponentialHeightFog.VolumetricFogMaxDistance > 0)
+	{
+		// Sample volumetric fog and mix it in
+		float2 screenUV = materialInput.SvPosition.xy * ScreenSize.zw;
+		float4 volumetricFog = SampleVolumetricFog(VolumetricFogTexture, VolumetricFog, materialInput.WorldPosition - ViewPos, screenUV, TemporalAAJitter);
+		fog = CombineVolumetricFog(fog, volumetricFog);
+	}
 
 	// Apply fog to the output color
 #if MATERIAL_BLEND == MATERIAL_BLEND_OPAQUE

Content/Editor/MaterialTemplates/GPUParticles.shader

@@ -67,7 +67,7 @@ float Rand(inout uint seed)
 float3 ReprojectPosition(float2 uv, float rawDepth)
 {
 	uv = uv * float2(2.0, -2.0) + float2(-1.0, 1.0);
-	float4 pos = mul(float4(uv.x, uv.y, rawDepth, 1.0f), InvViewProjectionMatrix);
+	float4 pos = PROJECT_POINT(float4(uv.x, uv.y, rawDepth, 1.0f), InvViewProjectionMatrix);
 	return pos.xyz / pos.w;
 }
 
@@ -158,7 +158,7 @@ void SpawnParticle(Context context)
 @4}
 
 // Main entry point for the particles simulation and spawning
-META_CS(true, FEATURE_LEVEL_SM5)
+META_CS(true, AUTO)
 [numthreads(THREAD_GROUP_SIZE, 1, 1)]
 void CS_Main(uint3 dispatchThreadId : SV_DispatchThreadID)
 {

Content/Editor/MaterialTemplates/GUI.shader

@@ -21,7 +21,7 @@ float4 ViewInfo;
 float4 ScreenSize;
 float4 ViewSize;
 float3 ViewPadding0;
-float UnscaledTimeParam;
+float ScaledTimeParam;
 @1META_CB_END
 
 // Shader resources
@@ -38,6 +38,7 @@ struct VertexOutput
 #endif
 	float4 ClipExtents       : TEXCOORD3;
 	float2 ClipOrigin        : TEXCOORD4;
+    float2 CustomData        : TEXCOORD5; // x-per-geometry type, y-features mask
 #if USE_CUSTOM_VERTEX_INTERPOLATORS
 	float4 CustomVSToPS[CUSTOM_VERTEX_INTERPOLATORS_COUNT] : TEXCOORD9;
 #endif
@@ -55,6 +56,7 @@ struct PixelInput
 #endif
 	float4 ClipExtents       : TEXCOORD3;
 	float2 ClipOrigin        : TEXCOORD4;
+    float2 CustomData        : TEXCOORD5; // x-per-geometry type, y-features mask
 #if USE_CUSTOM_VERTEX_INTERPOLATORS
 	float4 CustomVSToPS[CUSTOM_VERTEX_INTERPOLATORS_COUNT] : TEXCOORD9;
 #endif
@@ -67,6 +69,7 @@ struct MaterialInput
 	float3 WorldPosition;
 	float TwoSidedSign;
 	float2 TexCoord;
+    float2 CustomData; // x-per-geometry type, y-features mask
 #if USE_VERTEX_COLOR
 	half4 VertexColor;
 #endif
@@ -84,6 +87,7 @@ MaterialInput GetMaterialInput(Render2DVertex input, VertexOutput output)
 	MaterialInput result;
 	result.WorldPosition = output.WorldPosition;
 	result.TexCoord = output.TexCoord;
+	result.CustomData = input.CustomDataAndClipOrigin.xy;
 #if USE_VERTEX_COLOR
 	result.VertexColor = output.VertexColor;
 #endif
@@ -103,6 +107,7 @@ MaterialInput GetMaterialInput(PixelInput input)
 	MaterialInput result;
 	result.WorldPosition = input.WorldPosition;
 	result.TexCoord = input.TexCoord;
+	result.CustomData = input.CustomData;
 #if USE_VERTEX_COLOR
 	result.VertexColor = input.VertexColor;
 #endif
@@ -222,13 +227,14 @@ VertexOutput VS_GUI(Render2DVertex input)
 	if ((int)input.CustomDataAndClipOrigin.y & 1)
 		input.Position = (int2)input.Position;
 
-	output.Position = mul(float4(input.Position, 0, 1), ViewProjectionMatrix);
+	output.Position = PROJECT_POINT(float4(input.Position, 0, 1), ViewProjectionMatrix);
 	output.WorldPosition = mul(float4(input.Position, 0, 1), WorldMatrix).xyz;
 	output.TexCoord = input.TexCoord;
 	output.WindowPos = input.Position;
 #if USE_VERTEX_COLOR
 	output.VertexColor = input.Color;
 #endif
+	output.CustomData = input.CustomDataAndClipOrigin.xy;
 	output.ClipOrigin = input.CustomDataAndClipOrigin.zw;
 	output.ClipExtents = input.ClipExtents;
 

Content/Editor/MaterialTemplates/Particle.shader

@@ -393,7 +393,7 @@ VertexOutput VS_Sprite(SpriteInput input, uint particleIndex : SV_InstanceID)
 	output.WorldPosition = position + spriteVertexPosition;
 
 	// Compute clip space position
-	output.Position = mul(float4(output.WorldPosition.xyz, 1), ViewProjectionMatrix);
+	output.Position = PROJECT_POINT(float4(output.WorldPosition.xyz, 1), ViewProjectionMatrix);
 
 	// Pass vertex attributes
 	output.TexCoord = input.TexCoord;
@@ -431,7 +431,7 @@ VertexOutput VS_Sprite(SpriteInput input, uint particleIndex : SV_InstanceID)
 	// Apply world position offset per-vertex
 #if USE_POSITION_OFFSET
 	output.WorldPosition += material.PositionOffset;
-	output.Position = mul(float4(output.WorldPosition.xyz, 1), ViewProjectionMatrix);
+	output.Position = PROJECT_POINT(float4(output.WorldPosition.xyz, 1), ViewProjectionMatrix);
 #endif
 
 	// Copy interpolants for other shader stages
@@ -511,7 +511,7 @@ VertexOutput VS_Model(ModelInput input, uint particleIndex : SV_InstanceID)
 	output.WorldPosition = mul(float4(input.Position, 1), world).xyz;
 
 	// Compute clip space position
-	output.Position = mul(float4(output.WorldPosition, 1), ViewProjectionMatrix);
+	output.Position = PROJECT_POINT(float4(output.WorldPosition, 1), ViewProjectionMatrix);
 
 	// Pass vertex attributes
 	output.TexCoord = input.TexCoord0;
@@ -549,7 +549,7 @@ VertexOutput VS_Model(ModelInput input, uint particleIndex : SV_InstanceID)
 	// Apply world position offset per-vertex
 #if USE_POSITION_OFFSET
 	output.WorldPosition += material.PositionOffset;
-	output.Position = mul(float4(output.WorldPosition.xyz, 1), ViewProjectionMatrix);
+	output.Position = PROJECT_POINT(float4(output.WorldPosition.xyz, 1), ViewProjectionMatrix);
 #endif
 
 	// Copy interpolants for other shader stages
@@ -617,7 +617,7 @@ VertexOutput VS_Ribbon(RibbonInput input, uint vertexIndex : SV_VertexID)
 	output.WorldPosition = position + tangentRight * vertexSign * (ribbonWidth.xxx * 0.5f);
 
 	// Compute clip space position
-	output.Position = mul(float4(output.WorldPosition.xyz, 1), ViewProjectionMatrix);
+	output.Position = PROJECT_POINT(float4(output.WorldPosition.xyz, 1), ViewProjectionMatrix);
 
 	// Pass vertex attributes
 	output.ParticleIndex = particleIndex;
@@ -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;	
@@ -655,7 +655,7 @@ VertexOutput VS_Ribbon(RibbonInput input, uint vertexIndex : SV_VertexID)
 	// Apply world position offset per-vertex
 #if USE_POSITION_OFFSET
 	output.WorldPosition += material.PositionOffset;
-	output.Position = mul(float4(output.WorldPosition.xyz, 1), ViewProjectionMatrix);
+	output.Position = PROJECT_POINT(float4(output.WorldPosition.xyz, 1), ViewProjectionMatrix);
 #endif
 
 	// Copy interpolants for other shader stages

Content/Editor/MaterialTemplates/PostProcess.shader

@@ -20,7 +20,7 @@ float4 ScreenSize;
 float4 TemporalAAJitter;
 float4x4 InverseViewProjectionMatrix;
 float3 ViewPadding0;
-float UnscaledTimeParam;
+float ScaledTimeParam;
 @1META_CB_END
 
 // Shader resources

Content/Editor/MaterialTemplates/Surface.shader

@@ -342,7 +342,7 @@ VertexOutput VS(ModelInput input)
 	output.Geometry.PrevWorldPosition = mul(float4(input.Position.xyz, 1), object.PrevWorldMatrix).xyz;
 
 	// Compute clip space position
-	output.Position = mul(float4(output.Geometry.WorldPosition, 1), ViewProjectionMatrix);
+	output.Position = PROJECT_POINT(float4(output.Geometry.WorldPosition, 1), ViewProjectionMatrix);
 
 	// Pass vertex attributes
 	output.Geometry.TexCoords01 = float4(input.TexCoord0, input.TexCoord1);
@@ -378,7 +378,7 @@ VertexOutput VS(ModelInput input)
 #if USE_POSITION_OFFSET
 	output.Geometry.WorldPosition += material.PositionOffset;
 	output.Geometry.PrevWorldPosition += material.PositionOffset;
-	output.Position = mul(float4(output.Geometry.WorldPosition, 1), ViewProjectionMatrix);
+	output.Position = PROJECT_POINT(float4(output.Geometry.WorldPosition, 1), ViewProjectionMatrix);
 #endif
 
 	// Get tessalation multiplier (per vertex)
@@ -412,7 +412,7 @@ float4 VS_Depth(ModelInput_PosOnly input) : SV_Position
 
 	// Transform vertex position into the screen
 	float3 worldPosition = mul(float4(input.Position.xyz, 1), object.WorldMatrix).xyz;
-	float4 position = mul(float4(worldPosition, 1), ViewProjectionMatrix);
+	float4 position = PROJECT_POINT(float4(worldPosition, 1), ViewProjectionMatrix);
 	return position;
 }
 
@@ -518,7 +518,7 @@ VertexOutput VS_Skinned(ModelInput_Skinned input)
 #endif
 
 	// Compute clip space position
-	output.Position = mul(float4(output.Geometry.WorldPosition, 1), ViewProjectionMatrix);
+	output.Position = PROJECT_POINT(float4(output.Geometry.WorldPosition, 1), ViewProjectionMatrix);
 
 	// Pass vertex attributes
 	output.Geometry.TexCoords01 = float4(input.TexCoord0, input.TexCoord1);
@@ -549,7 +549,7 @@ VertexOutput VS_Skinned(ModelInput_Skinned input)
 #if USE_POSITION_OFFSET
 	output.Geometry.WorldPosition += material.PositionOffset;
 	output.Geometry.PrevWorldPosition += material.PositionOffset;
-	output.Position = mul(float4(output.Geometry.WorldPosition, 1), ViewProjectionMatrix);
+	output.Position = PROJECT_POINT(float4(output.Geometry.WorldPosition, 1), ViewProjectionMatrix);
 #endif
 
 	// Get tessalation multiplier (per vertex)

Content/Editor/MaterialTemplates/Terrain.shader

@@ -388,7 +388,7 @@ VertexOutput VS(TerrainVertexInput input)
 	output.Geometry.WorldPosition = mul(float4(position, 1), worldMatrix).xyz;
 
 	// Compute clip space position
-	output.Position = mul(float4(output.Geometry.WorldPosition, 1), ViewProjectionMatrix);
+	output.Position = PROJECT_POINT(float4(output.Geometry.WorldPosition, 1), ViewProjectionMatrix);
 
 	// Pass vertex attributes
 #if USE_SMOOTH_LOD_TRANSITION
@@ -436,7 +436,7 @@ VertexOutput VS(TerrainVertexInput input)
 	// Apply world position offset per-vertex
 #if USE_POSITION_OFFSET
 	output.Geometry.WorldPosition += material.PositionOffset;
-	output.Position = mul(float4(output.Geometry.WorldPosition, 1), ViewProjectionMatrix);
+	output.Position = PROJECT_POINT(float4(output.Geometry.WorldPosition, 1), ViewProjectionMatrix);
 #endif
 
 	// Get tessalation multiplier (per vertex)

Content/Editor/MaterialTemplates/VolumeParticle.shader

@@ -8,6 +8,7 @@
 #include "./Flax/Common.hlsl"
 #include "./Flax/MaterialCommon.hlsl"
 #include "./Flax/GBufferCommon.hlsl"
+#include "./Flax/VolumetricFog.hlsl"
 @7
 
 // Primary constant buffer (with additional material parameters)
@@ -21,6 +22,7 @@ float Dummy0;
 float VolumetricFogMaxDistance;
 int ParticleStride;
 int ParticleIndex;
+float4 GridSliceParameters;
 @1META_CB_END
 
 // Particles attributes buffer
@@ -202,19 +204,19 @@ Material GetMaterialPS(MaterialInput input)
 META_PS(true, FEATURE_LEVEL_SM5)
 void PS_VolumetricFog(Quad_GS2PS input, out float4 VBufferA : SV_Target0, out float4 VBufferB : SV_Target1)
 {
+	// Reproject grid position back to the screen and world space
 	uint3 gridCoordinate = uint3(input.Vertex.Position.xy, input.LayerIndex);
 	float3 cellOffset = 0.5f;
 	float2 volumeUV = (gridCoordinate.xy + cellOffset.xy) / GridSize.xy;
-	float zSlice = gridCoordinate.z + cellOffset.z;
+	float sceneDepth = GetDepthFromSlice(GridSliceParameters, gridCoordinate.z + cellOffset.z) / ViewFar;
-	float sceneDepth = (zSlice / GridSize.z) * VolumetricFogMaxDistance / ViewFar;
 	float deviceDepth = (ViewInfo.w / sceneDepth) + ViewInfo.z;
 	float4 clipPos = float4(volumeUV * float2(2.0, -2.0) + float2(-1.0, 1.0), deviceDepth, 1.0);
 	float4 wsPos = mul(clipPos, InverseViewProjectionMatrix);
-	float3 positionWS = wsPos.xyz / wsPos.w;
+	wsPos.xyz /= wsPos.w;
 
 	// Get material parameters
 	MaterialInput materialInput = (MaterialInput)0;
-	materialInput.WorldPosition = positionWS;
+	materialInput.WorldPosition = wsPos.xyz;
 	materialInput.TexCoord = input.Vertex.TexCoord;
 	materialInput.ParticleIndex = ParticleIndex;
 	materialInput.TBN = float3x3(float3(1, 0, 0), float3(0, 1, 0), float3(0, 0, 1));
@@ -225,9 +227,10 @@ void PS_VolumetricFog(Quad_GS2PS input, out float4 VBufferA : SV_Target0, out fl
 	Material material = GetMaterialPS(materialInput);
 
 	// Compute fog properties
+	material.Opacity *= material.Mask;
 	float3 albedo = material.Color;
-	float extinction = material.Opacity * material.Mask * 0.001f;
+	float extinction = material.Opacity * 0.001f;
-	float3 emission = material.Emissive;
+	float3 emission = material.Emissive * material.Opacity;
 	float3 scattering = albedo * extinction;
 	float absorption = max(0.0f, extinction - Luminance(scattering));
 

Flax.flaxproj

@@ -2,12 +2,12 @@
   "Name": "Flax",
   "Version": {
     "Major": 1,
-    "Minor": 11,
+    "Minor": 12,
     "Revision": 0,
-    "Build": 6800
+    "Build": 6908
   },
   "Company": "Flax",
-  "Copyright": "Copyright (c) 2012-2025 Wojciech Figat. All rights reserved.",
+  "Copyright": "Copyright (c) 2012-2026 Wojciech Figat. All rights reserved.",
   "GameTarget": "FlaxGame",
   "EditorTarget": "FlaxEditor",
   "Configuration": {

Flax.sln.DotSettings

@@ -188,7 +188,7 @@
 	<s:Boolean x:Key="/Default/CodeStyle/CodeFormatting/CSharpFormat/PLACE_FIELD_ATTRIBUTE_ON_SAME_LINE/@EntryValue">False</s:Boolean>
 	<s:String x:Key="/Default/CodeStyle/CodeFormatting/CSharpFormat/PLACE_FIELD_ATTRIBUTE_ON_SAME_LINE_EX/@EntryValue">NEVER</s:String>
 	<s:Boolean x:Key="/Default/CodeStyle/CodeFormatting/CSharpFormat/PLACE_SIMPLE_ACCESSOR_ATTRIBUTE_ON_SAME_LINE/@EntryValue">False</s:Boolean>
-	<s:String x:Key="/Default/CodeStyle/CodeFormatting/CSharpFormat/PLACE_SIMPLE_CASE_STATEMENT_ON_SAME_LINE/@EntryValue">ALWAYS</s:String>
+	
 	<s:String x:Key="/Default/CodeStyle/CodeFormatting/CSharpFormat/PLACE_SIMPLE_EMBEDDED_STATEMENT_ON_SAME_LINE/@EntryValue">NEVER</s:String>
 	<s:String x:Key="/Default/CodeStyle/CodeFormatting/CSharpFormat/SIMPLE_CASE_STATEMENT_STYLE/@EntryValue">ON_SINGLE_LINE</s:String>
 	<s:Boolean x:Key="/Default/CodeStyle/CodeFormatting/CSharpFormat/SPACE_AFTER_TYPECAST_PARENTHESES/@EntryValue">False</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

@@ -49,7 +49,7 @@ Follow the instructions below to compile and run the engine from source.
   * 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)
   * 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
@@ -60,7 +60,7 @@ Follow the instructions below to compile and run the engine from source.
   * 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`

Source/Editor/Content/Create/PrefabCreateEntry.cs

@@ -117,7 +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/Import/TextureImportEntry.cs

@@ -187,6 +187,11 @@ namespace FlaxEditor.Content.Import
                 // Glossiness, metalness, ambient occlusion, displacement, height, cavity or specular
                 _settings.Settings.Type = TextureFormatType.GrayScale;
             }
+            else if (_settings.Settings.Type == TextureFormatType.ColorRGB)
+            {
+                // Blind guess that common color texture is sRGB
+                _settings.Settings.sRGB = true;
+            }
 
             // Try to restore target asset texture import options (useful for fast reimport)
             Editor.TryRestoreImportOptions(ref _settings.Settings, ResultUrl);

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/Thumbnails/ThumbnailsModule.cs

@@ -45,6 +45,8 @@ namespace FlaxEditor.Content.Thumbnails
         {
             if (item == null)
                 throw new ArgumentNullException();
+            if (_task == null)
+                return;
 
             // Check if use default icon
             var defaultThumbnail = item.DefaultThumbnail;
@@ -223,11 +225,12 @@ namespace FlaxEditor.Content.Thumbnails
         /// <inheritdoc />
         public override void OnInit()
         {
+            if (Editor.IsHeadlessMode || (GPUDevice.Instance != null && GPUDevice.Instance.RendererType == RendererType.Null))
+                return;
+
             // Create cache folder
             if (!Directory.Exists(_cacheFolder))
-            {
                 Directory.CreateDirectory(_cacheFolder);
-            }
 
             // Find atlases in a Editor cache directory
             var files = Directory.GetFiles(_cacheFolder, "cache_*.flax", SearchOption.TopDirectoryOnly);
@@ -482,7 +485,7 @@ namespace FlaxEditor.Content.Thumbnails
         public override void OnUpdate()
         {
             // Wait some frames before start generating previews (late init feature)
-            if (Time.TimeSinceStartup < 1.0f || HasAllAtlasesLoaded() == false)
+            if (Time.TimeSinceStartup < 1.0f || HasAllAtlasesLoaded() == false || _task == null)
                 return;
 
             lock (_requests)

Source/Editor/Cooker/CookingData.h

@@ -141,6 +141,11 @@ API_ENUM() enum class BuildPlatform
     /// </summary>
     API_ENUM(Attributes="EditorDisplay(null, \"Windows ARM64\")")
     WindowsARM64 = 15,
+
+    /// <summary>
+    /// Web
+    /// </summary>
+    Web = 16,
 };
 
 /// <summary>
@@ -188,6 +193,11 @@ enum class DotNetAOTModes
     /// Use Mono AOT to cross-compile all used C# assemblies into native platform static libraries which can be linked into a single shared library.
     /// </summary>
     MonoAOTStatic,
+
+    /// <summary>
+    /// Target platform doesn't support .NET or it has been disabled.
+    /// </summary>
+    NoDotnet,
 };
 
 extern FLAXENGINE_API const Char* ToString(const BuildPlatform platform);

Source/Editor/Cooker/GameCooker.cpp

@@ -69,6 +69,10 @@
 #include "Platform/iOS/iOSPlatformTools.h"
 #include "Engine/Platform/iOS/iOSPlatformSettings.h"
 #endif
+#if PLATFORM_TOOLS_WEB
+#include "Platform/Web/WebPlatformTools.h"
+#include "Engine/Platform/Web/WebPlatformSettings.h"
+#endif
 
 namespace GameCookerImpl
 {
@@ -151,6 +155,8 @@ const Char* ToString(const BuildPlatform platform)
         return TEXT("iOS ARM64");
     case BuildPlatform::WindowsARM64:
         return TEXT("Windows ARM64");
+    case BuildPlatform::Web:
+        return TEXT("Web");
     default:
         return TEXT("");
     }
@@ -183,6 +189,8 @@ const Char* ToString(const DotNetAOTModes mode)
         return TEXT("MonoAOTDynamic");
     case DotNetAOTModes::MonoAOTStatic:
         return TEXT("MonoAOTStatic");
+    case DotNetAOTModes::NoDotnet:
+        return TEXT("NoDotnet");
     default:
         return TEXT("");
     }
@@ -307,6 +315,10 @@ void CookingData::GetBuildPlatformName(const Char*& platform, const Char*& archi
         platform = TEXT("Windows");
         architecture = TEXT("ARM64");
         break;
+    case BuildPlatform::Web:
+        platform = TEXT("Web");
+        architecture = TEXT("x86");
+        break;
     default:
         LOG(Fatal, "Unknown or unsupported build platform.");
     }
@@ -461,6 +473,11 @@ PlatformTools* GameCooker::GetTools(BuildPlatform platform)
         case BuildPlatform::iOSARM64:
             result = New<iOSPlatformTools>();
             break;
+#endif
+#if PLATFORM_TOOLS_WEB
+        case BuildPlatform::Web:
+            result = New<WebPlatformTools>();
+            break;
 #endif
         }
         Tools.Add(platform, result);
@@ -604,6 +621,9 @@ void GameCooker::GetCurrentPlatform(PlatformType& platform, BuildPlatform& build
     case PlatformType::iOS:
         buildPlatform = BuildPlatform::iOSARM64;
         break;
+    case PlatformType::Web:
+        buildPlatform = BuildPlatform::Web;
+        break;
     default: ;
     }
 }

Source/Editor/Cooker/GameCooker.cs

@@ -106,6 +106,7 @@ namespace FlaxEditor
             case BuildPlatform.MacOSARM64:
             case BuildPlatform.MacOSx64: return PlatformType.Mac;
             case BuildPlatform.iOSARM64: return PlatformType.iOS;
+            case BuildPlatform.Web: return PlatformType.Web;
             default: throw new ArgumentOutOfRangeException(nameof(buildPlatform), buildPlatform, null);
             }
         }

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

@@ -138,6 +138,7 @@ Array<byte> AndroidPlatformTools::SaveCache(CookingData& data, IBuildCache* cach
     result.Add((const byte*)&platformCache, sizeof(platformCache));
     return result;
 }
+
 void AndroidPlatformTools::OnBuildStarted(CookingData& data)
 {
     // Adjust the cooking output folder to be located inside the Gradle assets directory
@@ -411,7 +412,6 @@ bool AndroidPlatformTools::OnPostProcess(CookingData& data)
         return true;
     }
     LOG(Info, "Output Android APK application package: {0} (size: {1} MB)", outputApk, FileSystem::GetFileSize(outputApk) / 1024 / 1024);
-    
 
     return false;
 }

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,

Source/Editor/Cooker/Platform/Web/WebPlatformTools.cpp

@@ -0,0 +1,271 @@
+// Copyright (c) Wojciech Figat. All rights reserved.
+
+#if PLATFORM_TOOLS_WEB
+
+#include "WebPlatformTools.h"
+#include "Engine/Platform/File.h"
+#include "Engine/Platform/FileSystem.h"
+#include "Engine/Platform/CreateProcessSettings.h"
+#include "Engine/Platform/Web/WebPlatformSettings.h"
+#include "Engine/Core/Types/Span.h"
+#include "Engine/Core/Math/Vector2.h"
+#include "Engine/Core/Config/GameSettings.h"
+#include "Engine/Core/Config/BuildSettings.h"
+#include "Engine/Content/Content.h"
+#include "Engine/Content/JsonAsset.h"
+#include "Engine/Graphics/PixelFormatExtensions.h"
+#include "Engine/Graphics/Textures/TextureBase.h"
+#include "Editor/Cooker/GameCooker.h"
+
+IMPLEMENT_SETTINGS_GETTER(WebPlatformSettings, WebPlatform);
+
+namespace
+{
+    struct WebPlatformCache
+    {
+        WebPlatformSettings::TextureCompression TexturesCompression;
+    };
+}
+
+const Char* WebPlatformTools::GetDisplayName() const
+{
+    return TEXT("Web");
+}
+
+const Char* WebPlatformTools::GetName() const
+{
+    return TEXT("Web");
+}
+
+PlatformType WebPlatformTools::GetPlatform() const
+{
+    return PlatformType::Web;
+}
+
+ArchitectureType WebPlatformTools::GetArchitecture() const
+{
+    return ArchitectureType::x86;
+}
+
+DotNetAOTModes WebPlatformTools::UseAOT() const
+{
+    return DotNetAOTModes::MonoAOTDynamic;//MonoAOTStatic;// DotNetAOTModes::None;//DotNetAOTModes::MonoAOTStatic;//DotNetAOTModes::NoDotnet;
+}
+
+PixelFormat WebPlatformTools::GetTextureFormat(CookingData& data, TextureBase* texture, PixelFormat format)
+{
+    const auto platformSettings = WebPlatformSettings::Get();
+    const auto uncompressed = PixelFormatExtensions::FindUncompressedFormat(format);
+    switch (platformSettings->TexturesCompression)
+    {
+    case WebPlatformSettings::TextureCompression::Uncompressed:
+        return uncompressed;
+    case WebPlatformSettings::TextureCompression::BC:
+        return format;
+    case WebPlatformSettings::TextureCompression::ASTC:
+        switch (format)
+        {
+        case PixelFormat::BC4_SNorm:
+            return PixelFormat::R8_SNorm;
+        case PixelFormat::BC5_SNorm:
+            return PixelFormat::R16G16_SNorm;
+        case PixelFormat::BC6H_Typeless:
+        case PixelFormat::BC6H_Uf16:
+        case PixelFormat::BC6H_Sf16:
+        case PixelFormat::BC7_Typeless:
+        case PixelFormat::BC7_UNorm:
+        case PixelFormat::BC7_UNorm_sRGB:
+            return PixelFormat::R16G16B16A16_Float; // TODO: ASTC HDR
+        default:
+            return PixelFormatExtensions::IsSRGB(format) ? PixelFormat::ASTC_6x6_UNorm_sRGB : PixelFormat::ASTC_6x6_UNorm;
+        }
+    case WebPlatformSettings::TextureCompression::Basis:
+        switch (format)
+        {
+        case PixelFormat::BC7_Typeless:
+        case PixelFormat::BC7_UNorm:
+        case PixelFormat::BC7_UNorm_sRGB:
+            return PixelFormat::R16G16B16A16_Float; // Basic Universal doesn't support alpha in BC7 (and it can be loaded only from LDR formats)
+        default:
+            if (uncompressed != format && texture->Size().MinValue() >= 16)
+                return PixelFormat::Basis;
+            return uncompressed;
+        }
+    default:
+        return format;
+    }
+}
+
+void WebPlatformTools::LoadCache(CookingData& data, IBuildCache* cache, const Span<byte>& bytes)
+{
+    const auto platformSettings = WebPlatformSettings::Get();
+    bool invalidTextures = true;
+    if (bytes.Length() == sizeof(WebPlatformCache))
+    {
+        auto* platformCache = (WebPlatformCache*)bytes.Get();
+        invalidTextures = platformCache->TexturesCompression != platformSettings->TexturesCompression;
+    }
+    if (invalidTextures)
+    {
+        LOG(Info, "{0} option has been modified.", TEXT("TexturesQuality"));
+        cache->InvalidateCacheTextures();
+    }
+}
+
+Array<byte> WebPlatformTools::SaveCache(CookingData& data, IBuildCache* cache)
+{
+    const auto platformSettings = WebPlatformSettings::Get();
+    WebPlatformCache platformCache;
+    platformCache.TexturesCompression = platformSettings->TexturesCompression;
+    Array<byte> result;
+    result.Add((const byte*)&platformCache, sizeof(platformCache));
+    return result;
+}
+
+bool WebPlatformTools::IsNativeCodeFile(CookingData& data, const String& file)
+{
+    String extension = FileSystem::GetExtension(file);
+    return extension.IsEmpty() || extension == TEXT("html") || extension == TEXT("js") || extension == TEXT("wasm");
+}
+
+void WebPlatformTools::OnBuildStarted(CookingData& data)
+{
+    // Adjust the cooking output folder for the data files so file_packager tool can compress and output final data inside the cooker output folder
+    data.DataOutputPath = data.CacheDirectory / TEXT("Files");
+}
+
+bool WebPlatformTools::OnPostProcess(CookingData& data)
+{
+    const auto gameSettings = GameSettings::Get();
+    const auto platformSettings = WebPlatformSettings::Get();
+    const auto platformDataPath = data.GetPlatformBinariesRoot();
+
+    // Get name of the output binary (JavaScript and WebAssembly files match)
+    String gameJs;
+    {
+        Array<String> files;
+        FileSystem::DirectoryGetFiles(files, data.OriginalOutputPath, TEXT("*"), DirectorySearchOption::TopDirectoryOnly);
+        for (const String& file : files)
+        {
+            if (file.EndsWith(TEXT(".js")))
+            {
+                String outputWasm = String(StringUtils::GetPathWithoutExtension(file)) + TEXT(".wasm");
+                if (files.Contains(outputWasm))
+                {
+                    gameJs = file;
+                    break;
+                }
+            }
+        }
+    }
+    if (gameJs.IsEmpty())
+    {
+        data.Error(TEXT("Failed to find the main JavaScript for the output game"));
+        return true;
+    }
+
+    // Move .wasm assemblies into the data files in order for dlopen to work (blocking)
+    {
+        Array<String> files, files2;
+        FileSystem::DirectoryGetFiles(files, data.OriginalOutputPath, TEXT("*.wasm"), DirectorySearchOption::AllDirectories);
+        FileSystem::DirectoryGetFiles(files, data.OriginalOutputPath, TEXT("*.so"), DirectorySearchOption::AllDirectories);
+        StringView gameWasm = StringUtils::GetFileNameWithoutExtension(gameJs);
+        for (const String& file : files)
+        {
+            if (StringUtils::GetFileNameWithoutExtension(file) == gameWasm)
+                continue; // Skip the main game module
+            FileSystem::MoveFile(data.DataOutputPath / StringUtils::GetFileName(file), file, true);
+        }
+        for (const String& file : files2)
+        {
+            if (StringUtils::GetFileNameWithoutExtension(file) == gameWasm)
+                continue; // Skip the main game module
+            FileSystem::MoveFile(data.DataOutputPath / StringUtils::GetFileName(file), file, true);
+        }
+    }
+
+    // Pack data files into a single file using Emscripten's file_packager tool
+    {
+        CreateProcessSettings procSettings;
+        String emscriptenSdk = TEXT("EMSDK");
+        Platform::GetEnvironmentVariable(emscriptenSdk, emscriptenSdk);
+        procSettings.FileName = emscriptenSdk / TEXT("upstream/emscripten/tools/file_packager");
+#if PLATFORM_WIN32
+        procSettings.FileName += TEXT(".bat");
+#endif
+        procSettings.Arguments = String::Format(TEXT("files.data --preload \"{}@/\" --lz4 --js-output=files.js"), data.DataOutputPath);
+        procSettings.WorkingDirectory = data.OriginalOutputPath;
+        const int32 result = Platform::CreateProcess(procSettings);
+        if (result != 0)
+        {
+            if (!FileSystem::FileExists(procSettings.FileName))
+                data.Error(TEXT("Missing file_packager.bat. Ensure Emscripten SDK installation is valid and 'EMSDK' environment variable points to it."));
+            data.Error(String::Format(TEXT("Failed to package project files (result code: {0}). See log for more info."), result));
+            return true;
+        }
+    }
+
+    // Copy icon file
+    {
+        String dstIcon = data.OriginalOutputPath / TEXT("favicon.ico");
+        if (!FileSystem::FileExists(dstIcon))
+            FileSystem::CopyFile(dstIcon, platformDataPath / TEXT("favicon.ico"));
+    }
+
+    // TODO: customizable HTML templates
+
+    // Insert packaged file system with game data
+    {
+        String gameJsText;
+        if (File::ReadAllText(gameJs, gameJsText))
+        {
+            data.Error(String::Format(TEXT("Failed to load file '{}'"), gameJs));
+            return true;
+        }
+        const String filesIncludeBegin = TEXT("// include: files.js");
+        const String filesIncludeEnd = TEXT("// end include: files.js");
+        String fileJs = data.OriginalOutputPath / TEXT("files.js");
+        if (!gameJsText.Contains(filesIncludeBegin))
+        {
+            // Insert generated files.js into the main game file after the minimum_runtime_check.js include
+            String fileJsText;
+            if (File::ReadAllText(fileJs, fileJsText))
+            {
+                data.Error(String::Format(TEXT("Failed to load file '{}'"), fileJs));
+                return true;
+            }
+            const String insertPrefixLocation = TEXT("// end include: minimum_runtime_check.js");
+            int32 location = gameJsText.Find(insertPrefixLocation);
+            if (location != -1)
+            {
+                location += insertPrefixLocation.Length() + 1;
+                fileJsText = filesIncludeBegin + TEXT("\n") + fileJsText + TEXT("\n") + filesIncludeEnd + TEXT("\n");
+                gameJsText.Insert(location, fileJsText);
+            }
+            else
+            {
+                // Comments are missing in Release when JS/HTML are minified
+                fileJsText.Insert(0, filesIncludeBegin);
+                fileJsText.Insert(0, TEXT("\n"));
+                gameJsText.Insert(0, fileJsText);
+            }
+            File::WriteAllText(gameJs, gameJsText, Encoding::UTF8);
+        }
+
+        // Remove the generated files.js as it's now included in the main game JS file
+        FileSystem::DeleteFile(fileJs);
+    }
+
+    const auto buildSettings = BuildSettings::Get();
+    if (buildSettings->SkipPackaging)
+        return false;
+    GameCooker::PackageFiles();
+
+    // TODO: minify/compress output JS files (in Release builds)
+
+    LOG(Info, "Output website size: {0} MB", FileSystem::GetDirectorySize(data.OriginalOutputPath) / 1024 / 1024);
+
+    return false;
+}
+
+#endif

Source/Editor/Cooker/Platform/Web/WebPlatformTools.h

@@ -0,0 +1,29 @@
+// Copyright (c) Wojciech Figat. All rights reserved.
+
+#pragma once
+
+#if PLATFORM_TOOLS_WEB
+
+#include "../../PlatformTools.h"
+
+/// <summary>
+/// The Web platform support tools.
+/// </summary>
+class WebPlatformTools : public PlatformTools
+{
+public:
+    // [PlatformTools]
+    const Char* GetDisplayName() const override;
+    const Char* GetName() const override;
+    PlatformType GetPlatform() const override;
+    ArchitectureType GetArchitecture() const override;
+    DotNetAOTModes UseAOT() const override;
+    PixelFormat GetTextureFormat(CookingData& data, TextureBase* texture, PixelFormat format) override;
+    void LoadCache(CookingData& data, IBuildCache* cache, const Span<byte>& bytes) override;
+    Array<byte> SaveCache(CookingData& data, IBuildCache* cache) override;
+    bool IsNativeCodeFile(CookingData& data, const String& file) override;
+    void OnBuildStarted(CookingData& data) override;
+    bool OnPostProcess(CookingData& data) override;
+};
+
+#endif

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;