112 lines
3.7 KiB
C++
112 lines
3.7 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
|
|
#include "SmartObjectVisualizationContext.h"
|
|
#include "CanvasTypes.h"
|
|
#include "DebugRenderSceneProxy.h"
|
|
#include "SceneView.h"
|
|
#include "PrimitiveDrawingUtils.h"
|
|
#include "SmartObjectDefinition.h"
|
|
#include "SmartObjectTypes.h"
|
|
|
|
#if WITH_EDITOR
|
|
|
|
FSmartObjectVisualizationContext::FSmartObjectVisualizationContext(const USmartObjectDefinition& InDefinition, const UWorld& InWorld)
|
|
: Definition(InDefinition)
|
|
, World(InWorld)
|
|
{
|
|
PreviewValidationFilterClass = InDefinition.GetPreviewValidationFilterClass();
|
|
if (PreviewValidationFilterClass.Get() == nullptr)
|
|
{
|
|
PreviewValidationFilterClass = USmartObjectSlotValidationFilter::StaticClass();
|
|
}
|
|
}
|
|
|
|
bool FSmartObjectVisualizationContext::IsValidForDraw() const
|
|
{
|
|
return View != nullptr
|
|
&& PDI != nullptr
|
|
&& Font != nullptr;
|
|
}
|
|
|
|
bool FSmartObjectVisualizationContext::IsValidForDrawHUD() const
|
|
{
|
|
return View != nullptr
|
|
&& Canvas != nullptr
|
|
&& Font != nullptr;
|
|
}
|
|
|
|
FVector2D FSmartObjectVisualizationContext::Project(const FVector& Location) const
|
|
{
|
|
if (View != nullptr && Canvas != nullptr)
|
|
{
|
|
Location.DiagnosticCheckNaN();
|
|
const FVector3f ScreenLocation = UE::DebugDrawHelper::GetScaleAdjustedScreenLocation(View, *Canvas, Location);
|
|
return {ScreenLocation.X, ScreenLocation.Y};
|
|
}
|
|
|
|
return FVector2D::ZeroVector;
|
|
}
|
|
|
|
bool FSmartObjectVisualizationContext::IsLocationVisible(const FVector& Location) const
|
|
{
|
|
return View != nullptr && View->ViewFrustum.IntersectPoint(Location);
|
|
}
|
|
|
|
FVector::FReal FSmartObjectVisualizationContext::GetDistanceToCamera(const FVector& Location) const
|
|
{
|
|
if (View)
|
|
{
|
|
return FVector::Distance(Location, View->ViewLocation);
|
|
}
|
|
return UE_DOUBLE_BIG_NUMBER;
|
|
}
|
|
|
|
void FSmartObjectVisualizationContext::DrawString(const float StartX, const float StartY, const TCHAR* Text, const FLinearColor& Color, const FLinearColor& ShadowColor) const
|
|
{
|
|
if (Canvas && Font)
|
|
{
|
|
Canvas->DrawShadowedString(StartX, StartY, Text, Font, Color, ShadowColor);
|
|
}
|
|
}
|
|
|
|
void FSmartObjectVisualizationContext::DrawString(const FVector& Location, const TCHAR* Text, const FLinearColor& Color, const FLinearColor& ShadowColor) const
|
|
{
|
|
if (Canvas
|
|
&& Font
|
|
&& IsLocationVisible(Location))
|
|
{
|
|
const FVector2D ScreenPos = Project(Location);
|
|
|
|
int32 SizeX = 0;
|
|
int32 SizeY = 0;
|
|
StringSize(Font, SizeX, SizeY, Text);
|
|
|
|
Canvas->DrawShadowedString(ScreenPos.X - SizeX/2, ScreenPos.Y - SizeY/2, Text, Font, Color, ShadowColor);
|
|
}
|
|
}
|
|
|
|
void FSmartObjectVisualizationContext::DrawArrow(const FVector& Start, const FVector& End, const FLinearColor& Color, const float ArrowHeadLength, const float EndLocationInset,
|
|
const uint8 DepthPriorityGroup, const float Thickness, const float DepthBias, bool bScreenSpace) const
|
|
{
|
|
if (PDI == nullptr)
|
|
{
|
|
return;
|
|
}
|
|
|
|
const FVector Diff = End - Start;
|
|
const FVector::FReal Length = Diff.Size();
|
|
const FVector Dir = Length > UE_KINDA_SMALL_NUMBER ? (Diff / Length) : FVector::ForwardVector;
|
|
const FVector Side = FVector::CrossProduct(Dir, FVector::UpVector);
|
|
|
|
const FVector::FReal StartLen = FMath::Min(EndLocationInset, Length / 2.0);
|
|
const FVector::FReal EndLen = FMath::Max(Length - EndLocationInset, Length / 2.0);
|
|
|
|
const FVector StartLoc = Start + Dir * StartLen;
|
|
const FVector EndLoc = Start + Dir * EndLen;
|
|
|
|
PDI->DrawTranslucentLine(StartLoc, EndLoc, Color, DepthPriorityGroup, Thickness, DepthBias, bScreenSpace);
|
|
PDI->DrawTranslucentLine(EndLoc, EndLoc - Dir * ArrowHeadLength + Side * ArrowHeadLength * 0.5f, Color, DepthPriorityGroup, Thickness, DepthBias, bScreenSpace);
|
|
PDI->DrawTranslucentLine(EndLoc, EndLoc - Dir * ArrowHeadLength - Side * ArrowHeadLength * 0.5f, Color, DepthPriorityGroup, Thickness, DepthBias, bScreenSpace);
|
|
}
|
|
|
|
#endif // WITH_EDITOR
|