Reexport map textures and fixes for map marker, also fix for seed bed actor

BuildScripts/BakeWorldMap.bat

@@ -187,7 +187,7 @@ REM carries, which for this map are 16384 in eight tiles; a piece is baked at th
 REM pixels over a quarter of the width is what a piece is.
 SET MAP=/Game/Maps/Persistent_GameWorld
 SET BUILDER=-run=WorldPartitionBuilderCommandlet -Builder=/Script/ProjectEleriEditor.WorldMapBuilder -AllowCommandletRendering -SCCProvider=None -unattended -Verbose
-SET PIECE_SIZE=8192
+SET PIECE_SIZE=4096
 SET PIECE_TILES=4
 SET PIECE_GRID=8
 SET PIECE_ROOT=%PROJECT_ROOT%Intermediate\WorldMap

Config/DefaultGame.ini

@@ -109,6 +109,8 @@ bSkipMovies=False
 +MapsToCook=(FilePath="/Game/Maps/W_Island_1")
 +DirectoriesToAlwaysCook=(Path="/Game/GameData")
 +DirectoriesToAlwaysCook=(Path="/NNEDenoiser")
++DirectoriesToAlwaysCook=(Path="/Game/Textures/Map")
++DirectoriesToAlwaysCook=(Path="/Game/Maps/Generated")
 bRetainStagedDirectory=False
 CustomStageCopyHandler=
 

Source/ProjectEleri/Items/SeedBedActor.cpp

@@ -604,7 +604,10 @@ FSeedBedSeedSlot& ASeedBedActor::CreateSlot(FIntVector2 SlotCoordinate, bool bRe
 		DestroySlotComponents(Slot);
 	}
 
-	Slot.SeedBedDecal = CreateSlotDecalComponent(this, GetRootComponent(), GetSlotComponentName(SlotCoordinate, TEXT("Slot")));
+	if (!IsValid(Slot.SeedBedDecal))
+	{
+		Slot.SeedBedDecal = CreateSlotDecalComponent(this, GetRootComponent(), GetSlotComponentName(SlotCoordinate, TEXT("Slot")));
+	}
 	if (SeedBedDecalMaterial.IsValid())
 	{
 		Slot.SeedBedDynamicMat = UKismetMaterialLibrary::CreateDynamicMaterialInstance(this, SeedBedDecalMaterial.Get(), NAME_None, EMIDCreationFlags::Transient);

Source/ProjectEleri/UI/MapWidget.cpp

@@ -120,9 +120,16 @@ UMapWidget::UMapWidget()
 	bFollowPlayerByDefault = true;
 	bCenterOnPlayerByDefault = true;
 	MarkerSize = 32.f;
+
+	// The marker comes down as the map is pulled back, but by less than the map does: readable when the whole
+	// map is in view, without crowding a map that is zoomed in on a corner of itself.
+	MarkerZoomScale = -0.5f;
 	
 	MarkerFacingOffset = 0.f;
 
+	// PlayerMarkerTexture is deliberately left empty: what the marker is a picture of is the design's to say,
+	// and a map with nothing set there draws no marker rather than failing to open.
+
 	MapBackgroundColor = FLinearColor(0.03f, 0.04f, 0.05f, 0.9f);
 
 	Zoom = 1.f;
@@ -132,13 +139,14 @@ UMapWidget::UMapWidget()
 
 	bMapReady = false;
 	bPiecesRequested = false;
+	bMarkerRequested = false;
 	bMarkerPlaced = false;
 
 	// Nothing has been turned yet, and there is no map yet to say how the map lies in the world.
 	MarkerAngle = 0.f;
 	bMarkerAngleApplied = false;
 
-	// Nothing has been said yet about the design having no marker in it.
+	// Nothing has been said yet about this map having no marker art assigned.
 	bMissingMarkerReported = false;
 	MapUVPerWorldX = FVector2D::ZeroVector;
 	MapUVPerWorldY = FVector2D::ZeroVector;
@@ -172,9 +180,9 @@ TSharedRef<SWidget> UMapWidget::RebuildWidget()
 void UMapWidget::EnsureWidgetTree()
 {
 	// Called from RebuildWidget and again from everything that wants the map on screen, so the work is only
-	// done when there is something to do: a standing tree is the whole test. The marker is not part of it,
-	// because the design's marker is not the map's to make.
-	if (MapRoot && MapViewport && MapLayer && PieceGrid && Interaction)
+	// done when there is something to do: a standing tree is the whole test, and the marker built below is as
+	// much a part of that tree as the pieces are.
+	if (MapRoot && MapViewport && MapLayer && PieceGrid && PlayerMarker && Interaction)
 	{
 		return;
 	}
@@ -267,9 +275,25 @@ void UMapWidget::EnsureWidgetTree()
 		NewPieceImages.Add(PieceImage);
 	}
 
-	// The player's marker is not built here: it is the widget named PlayerMarker in the design, and it is taken
-	// onto this layer by EnsureMarkerOnMap once the layer is standing. A marker built in code could only ever
-	// be the one thing this file knew how to draw.
+	// The player's marker is made here rather than taken from the blueprint: the map is what knows where the
+	// player is, and the map is what has to size it, place it and turn it. It is one image at one place, so an
+	// image is the whole of it, and the one thing the design says about it is which art it draws, which
+	// PlayerMarkerTexture names. It goes on the map's own layer, because that is the thing that moves and zooms
+	// with the map it marks, and above the pieces, which is what its z order says. It starts hidden and stays
+	// that way until there is both a place to put it and something to draw there. It is the one widget built
+	// here that carries a name, because it is the one that gets looked for when the player's place is the thing
+	// that is wrong, and the name is its own so that nothing the design left in the blueprint answers to it.
+	UImage* NewMarker = WidgetTree->ConstructWidget<UImage>(UImage::StaticClass(), TEXT("MapPlayerMarker"));
+	NewMarker->SetVisibility(ESlateVisibility::Hidden);
+
+	if (UCanvasPanelSlot* NewMarkerSlot = NewLayer->AddChildToCanvas(NewMarker))
+	{
+		NewMarkerSlot->SetAnchors(FAnchors(0.f, 0.f, 0.f, 0.f));
+		// Alignment centres the widget on the slot's position, so a place on the map is one pair of numbers.
+		NewMarkerSlot->SetAlignment(FVector2D(0.5f, 0.5f));
+		NewMarkerSlot->SetAutoSize(false);
+		NewMarkerSlot->SetZOrder(2);
+	}
 
 	// Everything the map listens for arrives through this last widget: it lies over the whole view, so a drag
 	// on the map is a drag on the map and never a click on the level behind it. Nothing is drawn for it.
@@ -311,6 +335,7 @@ void UMapWidget::EnsureWidgetTree()
 	MapBackground = NewBackground;
 	PieceGrid = NewPieceGrid;
 	PieceImages = MoveTemp(NewPieceImages);
+	PlayerMarker = NewMarker;
 	Interaction = NewInteraction;
 
 	// The tree is standing but has not been laid out, so the transform is left to the next tick, which is the
@@ -341,6 +366,7 @@ void UMapWidget::EnsureMapReady()
 	}
 
 	RequestPieceLoads();
+	RequestMarkerLoad();
 }
 
 bool UMapWidget::ResolveMapLayout()
@@ -462,16 +488,6 @@ void UMapWidget::ResolveMapAxes()
 	MapUVPerWorldX = (CaptureActor->WorldToBakedMapUV(Centre + FVector(Step, 0.0, 0.0)) - CentreUV) / Step;
 	MapUVPerWorldY = (CaptureActor->WorldToBakedMapUV(Centre + FVector(0.0, Step, 0.0)) - CentreUV) / Step;
 
-	// A mapping that moves the map nowhere in one of the two directions has nothing to say about which way the
-	// map lies, and a marker turned by it would be turned by noise.
-	// if (MapUVPerWorldX.IsNearlyZero() || MapUVPerWorldY.IsNearlyZero())
-	// {
-	// 	MapUVPerWorldX = FVector2D::ZeroVector;
-	// 	MapUVPerWorldY = FVector2D::ZeroVector;
-	//
-	// 	return;
-	// }
-
 	bMapAxesResolved = true;
 }
 
@@ -745,6 +761,74 @@ void UMapWidget::ApplyPieceBrush(UImage* PieceImage, UTexture2D* PieceTexture) c
 	PieceImage->SetBrush(Brush);
 }
 
+void UMapWidget::RequestMarkerLoad()
+{
+	if (bMarkerRequested)
+	{
+		return;
+	}
+
+	bMarkerRequested = true;
+
+	const FSoftObjectPath MarkerPath = PlayerMarkerTexture.ToSoftObjectPath();
+	if (!MarkerPath.IsValid())
+	{
+		// Said once rather than every frame: a map with no marker art is a map somebody has not filled in, and
+		// it is still a map.
+		if (!bMissingMarkerReported)
+		{
+			bMissingMarkerReported = true;
+
+			UE_LOG(LogEleriMapWidget, Warning,
+				TEXT("This map has no marker art assigned, so the player's place is not drawn. Point Player Marker Texture at a texture to draw one."));
+		}
+
+		return;
+	}
+
+	// Asked for on its own rather than with the pieces, because it is one texture and there is nothing for it
+	// to wait for: it can arrive while the bake is still being resolved and be waiting on the layer.
+	MarkerStreamHandle = UAssetManager::GetStreamableManager().RequestAsyncLoad(
+		MarkerPath,
+		FStreamableDelegate::CreateUObject(this, &UMapWidget::ApplyLoadedMarker),
+		FStreamableManager::AsyncLoadHighPriority);
+
+	UE_LOG(LogEleriMapWidget, Verbose, TEXT("Asked for the marker art %s."), *MarkerPath.ToString());
+}
+
+void UMapWidget::ApplyLoadedMarker()
+{
+	// Resolved from the path rather than taken from the load's own list of what it brought in, so that art
+	// something else has already loaded counts as arrived just as much as one this request fetched.
+	UTexture2D* MarkerTexture = Cast<UTexture2D>(PlayerMarkerTexture.ToSoftObjectPath().ResolveObject());
+
+	if (!MarkerTexture || !PlayerMarker)
+	{
+		UE_LOG(LogEleriMapWidget, Warning,
+			TEXT("The marker art %s did not arrive, so the player's place is not drawn."), *PlayerMarkerTexture.ToString());
+
+		return;
+	}
+
+	// The brush is replaced whole rather than adjusted, so that the way the marker is drawn is decided in one
+	// place. Its image size is the art's own, which is also the shape GetMarkerSlotSize reads back out of it,
+	// so the marker is drawn at the shape it was drawn in rather than squeezed into a square.
+	const FIntPoint ImportedSize = MarkerTexture->GetImportedSize();
+
+	FSlateBrush Brush;
+	Brush.SetResourceObject(MarkerTexture);
+	Brush.DrawAs = ESlateBrushDrawType::Image;
+	Brush.SetImageSize(FVector2D(ImportedSize.X, ImportedSize.Y));
+
+	PlayerMarker->SetBrush(Brush);
+
+	// The art can arrive after the marker has already been placed, so it is placed and sized again now that it
+	// has a shape, rather than left square until the next tick happens to notice.
+	UpdateMarkerView();
+
+	UE_LOG(LogEleriMapWidget, Verbose, TEXT("The marker art %s is up."), *PlayerMarkerTexture.ToString());
+}
+
 void UMapWidget::ReportMapLayout()
 {
 	const int32 Grid = FMath::Max(1, GridSize);
@@ -905,16 +989,22 @@ bool UMapWidget::GetPlayerMapUV(FVector2D& OutUV) const
 FVector2D UMapWidget::GetMarkerSlotSize() const
 {
 	// The one thing about the marker's size the map decides: the longer side of it, in the map's own units.
-	const float Size = FMath::Max(2.f, MarkerSize);
+	// MarkerSize is that size at the map's closest zoom, and MarkerZoomScale is how much of the map being pulled
+	// back from there the marker's size follows: see the property for what its ends mean. The two ends of the
+	// zoom range are read in the order they are set in, as they are everywhere else here.
+	const float ClosestZoom = FMath::Max(FMath::Max(MinZoom, MaxZoom), KINDA_SMALL_NUMBER);
+	const float ZoomShare = FMath::Clamp(Zoom / ClosestZoom, KINDA_SMALL_NUMBER, 1.f);
+
+	const float Size = FMath::Max(2.f, MarkerSize * FMath::Pow(ZoomShare, MarkerZoomScale));
 
 	FVector2D MarkerShape = FVector2D::ZeroVector;
 
-	// An icon says what shape it is through the art it draws: the size the art was imported at is the shape it
-	// was drawn with, and the size of what is resident is the second choice for a texture with nothing imported
-	// to give.
-	if (const UImage* MarkerIcon = Cast<UImage>(PlayerMarker))
+	// The marker says what shape it is through the art it draws: the size the art was imported at is the shape
+	// it was drawn with, and the size of what is resident is the second choice for a texture with nothing
+	// imported to give. Before the art has arrived the brush holds no texture at all, so there is no shape.
+	if (PlayerMarker)
 	{
-		if (const UTexture2D* IconTexture = Cast<UTexture2D>(MarkerIcon->GetBrush().GetResourceObject()))
+		if (const UTexture2D* IconTexture = Cast<UTexture2D>(PlayerMarker->GetBrush().GetResourceObject()))
 		{
 			const FIntPoint ImportedSize = IconTexture->GetImportedSize();
 
@@ -926,23 +1016,23 @@ FVector2D UMapWidget::GetMarkerSlotSize() const
 		}
 	}
 
-	// Anything else -- a box, a panel, or an icon with no art pointed at yet -- says what shape it is by the
-	// size it asks to be drawn at, which is what the art of an image and the contents of a panel are measured
-	// into. Nothing has a size until it has been laid out, so this is asked again whenever the size is written
-	// rather than once.
+	// With no art yet -- or none assigned at all -- the image says what shape it is by the size it asks to be
+	// drawn at, which is nothing at all for an empty brush; nothing has a size until it has been laid out, so
+	// this is asked again whenever the size is written rather than once.
 	if (MarkerShape.X <= 0.0 || MarkerShape.Y <= 0.0)
 	{
 		MarkerShape = PlayerMarker ? PlayerMarker->GetDesiredSize() : FVector2D::ZeroVector;
 	}
 
-	// A marker with nothing to say what shape it is is drawn square: a plain box of a marker is a marker.
+	// A marker with no shape of its own -- no art assigned, or none arrived yet -- is drawn square rather than
+	// not at all: the map still has a size to place it at, and the art may yet turn up.
 	if (MarkerShape.X <= 0.0 || MarkerShape.Y <= 0.0)
 	{
 		return FVector2D(Size, Size);
 	}
 
-	// The design's own shape, drawn at the size the map asks for: one setting is the size of the marker whether
-	// the marker is an icon, a box or a panel of several, and none of them is squeezed out of shape by it.
+	// The art's own shape, drawn at the size the map asks for: one setting is the size of the marker whatever
+	// shape that art is, and none of it is squeezed out of shape by it.
 	return MarkerShape * (static_cast<double>(Size) / FMath::Max(MarkerShape.X, MarkerShape.Y));
 }
 
@@ -967,6 +1057,8 @@ bool UMapWidget::ResolveMarkerAngle(float& OutAngle) const
 
 void UMapWidget::UpdateMarkerView()
 {
+	// There is nothing to place until the tree is standing, and building the tree is what makes the marker, so
+	// this is the test for "not built yet" rather than for a design that has no marker in it.
 	if (!PlayerMarker)
 	{
 		return;
@@ -993,14 +1085,18 @@ void UMapWidget::UpdateMarkerView()
 	}
 
 	// Whether the marker is drawn is the map's to say, because the map is what knows whether there is a place
-	// to put it; what the design says is what it looks like when there is one. Only the marker itself is taken
-	// out of the way of the pointer, so a marker made of several widgets keeps whatever they do themselves.
+	// to put it. Only the marker itself is taken out of the way of the pointer, so a press on the map is never
+	// a press on the marker.
 	PlayerMarker->SetVisibility(ESlateVisibility::SelfHitTestInvisible);
 
 	if (UCanvasPanelSlot* MarkerSlot = Cast<UCanvasPanelSlot>(PlayerMarker->Slot))
 	{
 		// Alignment centres the widget on the slot's position, so a place on the map is one pair of numbers.
 		MarkerSlot->SetPosition(MarkerMapUV * static_cast<double>(GetMapDesignSize()));
+
+		// The size is written here rather than once at build, because it is the art arriving that gives the
+		// marker a shape, and the art can arrive after the marker has already been placed.
+		MarkerSlot->SetSize(GetMarkerSlotSize());
 	}
 
 	// The turn is the one thing about the marker that changes without its place on the map changing, and it is
@@ -1033,6 +1129,10 @@ void UMapWidget::SetZoom(float NewZoom)
 	Zoom = Clamped;
 
 	ApplyViewTransform();
+
+	// The marker's size is the map's to say, and the map has just changed how large it is drawn at, so the
+	// marker is sized here rather than at the next tick: a tick later is a frame of it at the old size.
+	UpdateMarkerView();
 }
 
 void UMapWidget::ZoomBy(float Amount)
@@ -1225,16 +1325,23 @@ void UMapWidget::NativeConstruct()
 
 void UMapWidget::NativeDestruct()
 {
-	// The pieces are wanted by this widget and by nothing else, so letting go of the request lets go of whatever
-	// of them nothing else is holding on to. Asking again on the next show is cheap: what is still in memory
-	// arrives at once.
+	// The pieces and the marker art are wanted by this widget and by nothing else, so letting go of the requests
+	// lets go of whatever of them nothing else is holding on to. Asking again on the next show is cheap: what is
+	// still in memory arrives at once.
 	if (PieceStreamHandle.IsValid())
 	{
 		PieceStreamHandle->ReleaseHandle();
 		PieceStreamHandle.Reset();
 	}
 
+	if (MarkerStreamHandle.IsValid())
+	{
+		MarkerStreamHandle->ReleaseHandle();
+		MarkerStreamHandle.Reset();
+	}
+
 	bPiecesRequested = false;
+	bMarkerRequested = false;
 	PanPointerIndex = INDEX_NONE;
 	bPanning = false;
 

Source/ProjectEleri/UI/MapWidget.h

@@ -4,6 +4,7 @@
 
 #include "CoreMinimal.h"
 #include "UI/EleriBaseWidget.h"
+#include "UObject/SoftObjectPtr.h"
 #include "MapWidget.generated.h"
 
 class AOrthoMapCaptureActor;
@@ -118,9 +119,9 @@ struct FEleriMapPieceCell
  * The map itself is built in code, in RebuildWidget, because a user widget's slate widget is made from the root
  * of its widget tree and there is no tree at all until the widget has been initialized. A blueprint subclass of
  * this therefore needs to hold nothing: it may be empty, or its root may be a panel, which is where this
- * widget's own tree is added. The one part of the map that is not built here is the player's marker, which is
- * the widget named PlayerMarker in that blueprint: what a marker looks like is the design's business, and only
- * where it sits on the map is the map's.
+ * widget's own tree is added. The player's marker is built here too, because the map is what knows where the
+ * player is and is what has to place, size and turn it; what the marker is a picture of is the one thing left
+ * to the design, and PlayerMarkerTexture is what says it.
  *
  * The pieces are 16384 pixel virtual textures, so loading all 64 of them eagerly would be a stall and a
  * virtual texture pool full of a map nobody is looking at. They are asked for lazily, the first time the
@@ -216,22 +217,32 @@ public:
 	UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category = "Eleri|Map|Marker")
 	bool bCenterOnPlayerByDefault;
 
-	/** The player's place on the map: the widget of this name in the blueprint this map is drawn in, found by
-	 *  name rather than made here. Nothing in this file draws it, so what the marker looks like -- its brush,
-	 *  its colours, its corner radii -- belongs to the design. The map takes it onto its own layer, which is
-	 *  what a marker has to be on to move and zoom with the map it marks, and then sizes it, places it and
-	 *  turns it. Any kind of widget will do, from an image to a panel holding several. Optional, because a
-	 *  design with no marker in it is a map that says so once rather than a map that will not open. */
-	UPROPERTY(BlueprintReadOnly, Category = "Eleri|Map|Marker", meta = (BindWidgetOptional))
-	TObjectPtr<UWidget> PlayerMarker;
+	/** The art the player's marker is drawn with. The marker itself is made here rather than found in the
+	 *  blueprint this map is drawn in: the map is what places it, sizes it and turns it, so the one thing left
+	 *  for the design to say is what it is a picture of. Soft, so the art is not loaded until a map is actually
+	 *  looked at, and optional, because a map with no art is a map with no marker rather than a map that will
+	 *  not open. */
+	UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category = "Eleri|Map|Marker")
+	TSoftObjectPtr<UTexture2D> PlayerMarkerTexture;
 
-	/** How long the marker's longer side is drawn, in the map's own design units, which is the one thing about
-	 *  the marker's look the map has to know, because the map is what places it and is measured in these units.
-	 *  What shape it is comes from the design: an icon's shape is the shape of its art, and anything else is
-	 *  drawn at the shape it asks to be, so a wide or a tall marker is not squeezed into a square. */
+	/** How long the marker's longer side is drawn, in the map's own design units, at the map's closest zoom: see
+	 *  MarkerZoomScale for what it is drawn at further back than that. What shape it is comes from the art
+	 *  PlayerMarkerTexture names, which is the shape that art was imported at, so a wide or a tall marker is not
+	 *  squeezed into a square. */
 	UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category = "Eleri|Map|Marker", meta = (ClampMin = "2"))
 	float MarkerSize;
 
+	/** How much of the map being pulled back the marker's size follows, as the power the zoom relative to
+	 *  MaxZoom is raised to: the marker is drawn at MarkerSize when the map is at its closest, whatever this
+	 *  says, and this is what it does below that. At nought the marker is that size in the map's own units at
+	 *  every zoom, so it comes down in the view exactly as fast as the map does. At one it comes down in step
+	 *  with the zoom as well, which is twice as fast as the map does on screen, and soon leaves a marker too
+	 *  small to read. Below nought the marker grows in map units as the map is pulled back instead, so it comes
+	 *  down in the view more slowly than the map does: at -1 it holds one size on screen however far out the
+	 *  map goes, which stays readable but stops describing the world. */
+	UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category = "Eleri|Map|Marker", meta = (ClampMin = "-1", ClampMax = "1"))
+	float MarkerZoomScale;
+
 	/** Degrees added to the turn the marker is given, for art that does not point up: an arrow drawn pointing
 	 *  right wants -90 here, and one drawn pointing down wants 180. */
 	UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category = "Eleri|Map|Marker")
@@ -381,6 +392,12 @@ protected:
 	/** Puts every arrived piece on its image, and reports the ones that did not arrive. */
 	void ApplyLoadedPieces();
 
+	/** Asks for PlayerMarkerTexture, once. */
+	void RequestMarkerLoad();
+
+	/** Puts the arrived marker texture on the marker, and reports it once if it did not arrive. */
+	void ApplyLoadedMarker();
+
 	/** The brush one piece image is drawn with: the piece's own texture, and the mirroring the bake needs,
 	 *  which is the one thing about a piece that cannot be asked for and has to be told. */
 	void ApplyPieceBrush(UImage* PieceImage, UTexture2D* PieceTexture) const;
@@ -412,9 +429,9 @@ protected:
 	 *  actor to put their position through. */
 	bool GetPlayerMapUV(FVector2D& OutUV) const;
 
-	/** The size the marker is drawn at: the shape the design gave it, with its longer side at MarkerSize, so
-	 *  that a wide or a tall marker is not squeezed into a square. A marker with nothing to say what shape it
-	 *  is -- a box with nothing in it, or a panel with nothing in that -- is drawn square. */
+	/** The size the marker is drawn at: the shape of the art PlayerMarkerTexture names, with its longer side at
+	 *  MarkerSize, so that a wide or a tall marker is not squeezed into a square. Before the art has arrived,
+	 *  or with no art assigned at all, the marker has no shape to give and is drawn square. */
 	FVector2D GetMarkerSlotSize() const;
 
 	/** The angle the marker is turned to on screen, in degrees clockwise, or false when there is nothing to
@@ -465,6 +482,11 @@ protected:
 	UPROPERTY(Transient)
 	TArray<TObjectPtr<UImage>> PieceImages;
 
+	/** The player's place on the map, made here and put on MapLayer above the pieces. An image, because the
+	 *  marker is one texture at one place; everything about how it looks comes from PlayerMarkerTexture. */
+	UPROPERTY(Transient)
+	TObjectPtr<UImage> PlayerMarker;
+
 	/** Takes every pointer event the map needs, so that a drag is never also a click on the level behind
 	 *  the map. */
 	UPROPERTY(Transient)
@@ -491,6 +513,12 @@ protected:
 	/** What does the loading, held so that the pieces stay wanted until they have arrived. */
 	TSharedPtr<FStreamableHandle> PieceStreamHandle;
 
+	/** Whether PlayerMarkerTexture has been asked for, so that asking happens once rather than once per show. */
+	bool bMarkerRequested;
+
+	/** What does the loading, held so that the marker stays wanted until it has arrived. */
+	TSharedPtr<FStreamableHandle> MarkerStreamHandle;
+
 	/** How much the map is zoomed, and the content point held at the centre of the view. */
 	FVector2D FocusPoint;
 
@@ -507,7 +535,7 @@ protected:
 
 	bool bMarkerAngleApplied;
 
-	/** Whether the map has already said that the design has no marker in it, so that a map drawn without one
+	/** Whether the map has already said that no marker art is assigned, so that a map drawn without a marker
 	 *  says so once rather than on every update. */
 	bool bMissingMarkerReported;