FEngineShowFlags

E.g. Ambient cube map, for now SHOWFLAG_ALWAYS_ACCESSIBLE because it's exposed in SceneCapture

Screen Space Ambient Occlusion, for now SHOWFLAG_ALWAYS_ACCESSIBLE because it's exposed in SceneCapture

Any Anti-aliasing e.g. FXAA, Temporal AA, for now SHOWFLAG_ALWAYS_ACCESSIBLE because it's exposed in SceneCapture

Render Sky and Atmospheric lighting, for now SHOWFLAG_ALWAYS_ACCESSIBLE because it's exposed in SceneCapture

Draw sound actor radii

Draw billboard components

Bloom, for now SHOWFLAG_ALWAYS_ACCESSIBLE because it's exposed in SceneCapture

Draw the bones of all skeletal meshes

Show editor (wireframe) brushes, for now SHOWFLAG_ALWAYS_ACCESSIBLE because it's exposed in SceneCapture

Draws BSP brushes (in game or editor textured triangles usually with lightmaps), for now SHOWFLAG_ALWAYS_ACCESSIBLE because it's exposed in SceneCapture

Colors BSP based on model component association

Needed for VMI_BrushWireframe and VMI_LitLightmapDensity, Draws BSP triangles

If the builder brush (editor) is getting rendered

Render safe frames bars

Draws camera frustums

Like bloom dirt mask

Usually set in game or when previewing Matinee but not in editor, used for motion blur or any kind of rendering features that rely on the former frame

Render safe frames

If Capsule shadows are enabled.

Collision drawing

Collision blocking pawn against simple collision

Collision blocking visibility against complex

Color correction after tone mapping

Whether to render the editor gizmos and other foreground editor widgets off screen and apply them after post process, only needed for the editor

Render joint limits

If Screen space contact shadows are enabled.

Complex cover rendering

Calls debug drawing for AIs

Decal rendering, for now SHOWFLAG_ALWAYS_ACCESSIBLE because it's exposed in SceneCapture

Execute the deferred light passes, can be disabled for debugging, for now SHOWFLAG_ALWAYS_ACCESSIBLE because it's exposed in SceneCapture

Depth of Field

Whether to display the scene's diffuse.

Allows to disable lighting from Directional Lights

Allows to disable all direct lighting (does not affect indirect light)

Show objects even if they should be distance culled, for now SHOWFLAG_ALWAYS_ACCESSIBLE because it's exposed in SceneCapture

Distance field AO, for now SHOWFLAG_ALWAYS_ACCESSIBLE because it's exposed in SceneCapture

Non baked shadows, for now SHOWFLAG_ALWAYS_ACCESSIBLE because it's exposed in SceneCapture

Special: Allows to hide objects in the editor, is evaluated per primitive

Human like eye simulation to adapt to the brightness of the view, for now SHOWFLAG_ALWAYS_ACCESSIBLE because it's exposed in SceneCapture

Draws fog, for now SHOWFLAG_ALWAYS_ACCESSIBLE because it's exposed in SceneCapture

Draw force feedback radii

If this is a game viewport, needed?

Used by gameplay debugging components to debug-draw on screen

Highlight materials that indicate performance issues or show unrealistic materials

Show indirect lighting component, for now SHOWFLAG_ALWAYS_ACCESSIBLE because it's needed by r.GBuffer

Fine film grain

To show the grid in editor (grey lines and red dots)

Show the current mask being used by the highres screenshot capture

Allow to see the cluster tree bounds used used to generate the occlusion bounds and in the culling

Allow to see the foliage bounds used in the occlusion test

Draws each hit proxy in the scene with a different color, for now only available in the editor

Visualize HLOD Coloration

Distortion of output for HMD devices, SHOWFLAG_ALWAYS_ACCESSIBLE for now because USceneCaptureComponent needs that

If the indirect lighting cache is enabled, for now SHOWFLAG_ALWAYS_ACCESSIBLE because it's exposed in SceneCapture

Draws instanced foliage, for now SHOWFLAG_ALWAYS_ACCESSIBLE because it's exposed in SceneCapture

Draws instanced grass, for now SHOWFLAG_ALWAYS_ACCESSIBLE because it's exposed in SceneCapture

Draws instanced static meshes that are not foliage or grass, for now SHOWFLAG_ALWAYS_ACCESSIBLE because it's exposed in SceneCapture

For now SHOWFLAG_ALWAYS_ACCESSIBLE because it's exposed in SceneCapture

Displays large clickable icons on static mesh vertices, only needed for the editor

Image based lens flares (Simulate artifact of reflections within a camera system)

Render objects with colors based on what the level they belong to

Needed for VMI_LightComplexity

LightFunctions (masking light sources with a material), for now SHOWFLAG_ALWAYS_ACCESSIBLE because it's exposed in SceneCapture

Draw lines to lights affecting this mesh if its selected.

Show the usual material light interaction

Needed for VMI_LightingOnly, Whether to override material diffuse with constants, used by the Lighting Only viewmode.

Needed for VMI_LightmapDensity and VMI_LitLightmapDensity, render checkerboard material with UVs scaled by lightmap resolution w.

Render LightShafts, for now SHOWFLAG_ALWAYS_ACCESSIBLE because it's exposed in SceneCapture

Use LOD parenting, MinDrawDistance, etc. If disabled, will show LOD parenting lines

Visualize LOD Coloration

Render mass debug data

Visualize the accuracy of CPU material texture scales when compared to the GPU values

If media planes should be shown

In the filled view modeModeWidgetss, render mesh edges as well as the filled surfaces.

Visualize the accuracy of the mesh UV density computed for texture streaming

Draws mode specific widgets and controls in the viewports (should only be set on viewport clients that are editing the level itself)

MotionBlur, for now only camera motion blur, for now SHOWFLAG_ALWAYS_ACCESSIBLE because it's exposed in SceneCapture

Whether to draw navigation data

Niagara, for now SHOWFLAG_ALWAYS_ACCESSIBLE because it's exposed in SceneCapture

Visualize Occlusion Query bounding meshes

To allow to disable visualizetexture for some editor rendering (e.g. thumbnail rendering)

Outputs the material texture scales.

Needed for VMI_Lit_DetailLighting, Whether to override material diffuse and specular with constants, used by the Detail Lighting viewmode.

Render Paper2D sprites, for now SHOWFLAG_ALWAYS_ACCESSIBLE because it's exposed in SceneCapture

Particles, for now SHOWFLAG_ALWAYS_ACCESSIBLE because it's exposed in SceneCapture

RHI_RAYTRACING begin.

Show Physical Material Masks

For the Editor

Allows to disable lighting from Point Lights, for now SHOWFLAG_ALWAYS_ACCESSIBLE because it's exposed in SceneCapture

Affects all postprocessing features, depending on viewmode this is on or off, for now SHOWFLAG_ALWAYS_ACCESSIBLE because it's used by ReflectionEnviromentCapture

Render the PostProcess Material

To disable precomputed visibility

Visualize precomputed visibility cells

Visualize preview shadow indicator

Visualize the accuracy of the primitive distance computed for texture streaming

Render objects with colors based on the property values

Visualize screen quads

If RTDF shadows are enabled.

Allows to disable lighting from Rect Lights, for now SHOWFLAG_ALWAYS_ACCESSIBLE because it's exposed in SceneCapture

Whether to display the Reflection Environment feature, which has local reflections from Reflection Capture actors, for now SHOWFLAG_ALWAYS_ACCESSIBLE because it's exposed in SceneCapture

Needed for VMI_ReflectionOverride, Whether to override all materials to be smooth, mirror reflections.

Render Post process (screen space) distortion/refraction

Any rendering/buffer clearing (good for benchmarking and for pausing rendering while the app is not in focus to save cycles).

Compare the required texture resolution to the actual resolution.

Post processing color fringe (chromatic aberration)

If Screen Percentage should be applied.

Screen space AO, for now SHOWFLAG_ALWAYS_ACCESSIBLE because r.GBuffer need that

If screen space reflections are enabled, for now SHOWFLAG_ALWAYS_ACCESSIBLE because it's exposed in SceneCapture

Selection rendering, could be useful in game as well

Outline around selected objects in the editor

If Translucency should be rendered into a separate RT and composited without DepthOfField, can be disabled in the materials (affects sorting), SHOWFLAG_ALWAYS_ACCESSIBLE for now because USceneCaptureComponent needs that

Draw debug rendering from the Dedicated Server during Play In Editor (with Use Dedicated Server checked) in this client viewport

Needed for VMI_ShaderComplexity, render world colored by shader complexity

Visualize the overhead of material quads

Draws un-occluded shadow frustums in wireframe

If single layer water should use a full precision depth buffer for SceneDepthWithoutSingleLayerWater.

If SkeletalMeshes are getting rendered, for now SHOWFLAG_ALWAYS_ACCESSIBLE because it's exposed in SceneCapture

Contribution from sky light, for now SHOWFLAG_ALWAYS_ACCESSIBLE because it's exposed in SceneCapture

To show the snap in editor (only for editor view ports, red dots)

Whether to display the scene's specular, including reflections.

Spline rendering

Allows to disable lighting from Spot Lights, for now SHOWFLAG_ALWAYS_ACCESSIBLE because it's exposed in SceneCapture

For now SHOWFLAG_ALWAYS_ACCESSIBLE because it's exposed in SceneCapture

Needed for VMI_StationaryLightOverlap, render world colored by stationary light overlap

Whether to render in stereoscopic 3d, for now SHOWFLAG_ALWAYS_ACCESSIBLE because it's used by StereoRendering

Render streaming bounding volumes for the currently selected texture

If Screen Space Subsurface Scattering enabled

Only used in AntiAliasing is on, true:uses Temporal AA, otherwise FXAA, for now SHOWFLAG_ALWAYS_ACCESSIBLE because it's exposed in SceneCapture

Hardware Tessellation (DX11 feature)

Shows a test image that allows to tweak the monitor colors, borders and allows to judge image and temporal aliasing

Render TextRenderComponents (3D text), for now SHOWFLAG_ALWAYS_ACCESSIBLE because it's exposed in SceneCapture

LightProfiles, usually 1d textures to have a light (IES), for now SHOWFLAG_ALWAYS_ACCESSIBLE because it's exposed in SceneCapture

Post processing filmic tone curve and expand gamut

HDR->LDR conversion is done through a tone mapper (otherwise linear mapping is used)

Render translucency, for now SHOWFLAG_ALWAYS_ACCESSIBLE because it's exposed in SceneCapture

Visualize vector fields.

Show Vertex Colors

Darkens the screen borders (Camera artifact and artistic effect)

Draw in the main pass the primitives that would normally only contribute to runtime virtual textures.

Calls debug drawing for whatever LogVisualizer wants to draw

Needed for VMI_VisualizeBuffer, Whether to enable the buffer visualization mode.

Shows a full-screen calibration color post process material defined in renderer config

Shows a full-screen calibration custom post process material defined in renderer config

Shows a full-screen calibration grayscale post process material defined in renderer config

Visualization of distance field AO

Helper to tweak depth of field

Global Distance field

Display a histogram of the scene HDR color

To visualize the culling in Tile Based Deferred Lighting, later for non tiled as well

Visualize Light Propagation Volume, for developer (by default off):

Mesh Distance fields

Helper to tweak motion blur settings

Visualize pixels that are outside of their object's bounding box (content error).

Visualize the senses configuration of AIs' PawnSensingComponent

Visualize the Shading Models, mostly or debugging and profiling

Enable the SkyAtmosphere visualization to be drawn on screen

Visualize screen space reflections, for developer (by default off):

If Screen Space Subsurface Scattering visualization is enabled

Visualize volumetric cloud conservative density.

Visualize volumetric lightmap used for GI on dynamic objects

Visualize volume lighting samples used for GI on dynamic objects

Draws Volumes

SHOWFLAG_ALWAYS_ACCESSIBLE because it's exposed in SceneCapture

Whether to apply volumetric lightmap lighting, when present.

If this is a vr editing viewport, needed?

If WidgetComponents should be rendered in the scene

Needed for VMI_Wireframe and VMI_BrushWireframe

DO NOT USE. This constructor is for internal usage only for hot-reload purposes.

This constructor defines the default view settings

For rendering thumbnails, cascade, material editor, static mesh editor keeps bloom as material properties with HDR can be better perceived

Supports ShowFlag.* cvars for custom show flags to force custom show flags on/off.

Retrieve the localized display name for a named show flag

This function defines the grouping in the editor.

O(1)

O(1) Check if a CVar is forcing a particular flag on / off

Allows to iterate through all flags (if you want to change or read the actual flag settings you need to pass in your own instance of FEngineShowFlags).

Iterate all registered custom show flags.

Used by TCustomShowFlag to register a show flag from another module.

More powerful than SetSingleFlag() as it allows to set/clear multiple flags not optimized but doesn't have to be Tolerates whitespace and user error, as user might manipulate the data

The following methods are there for serialization, localization and in general to iterate and manipulate flags.

Not optimized for speed, good for serialization and debugging

Strong type for custom show flag indices starting from 0 to make interface clearer.

Delegate fired when a new custom show flag is registered or re-registered so other systems can iterate all show flags and update any related data.