const FVector2D UKUIInterfaceElement::CalculateAlignLocation( const FVector2D& v2Origin, const FVector2D& v2Extent, const FVector2D& v2Size, const FVector2D& v2Default )
{
FVector2D v2AlignLocation;
const FVector2D v2MarginSize = GetMarginSize(); // X+Z, Y+W
if ( bDebug )
KUILogUO( "(%f,%f) (%f,%f) (%f,%f) (%f,%f)", ExpandV2( v2Origin ), ExpandV2( v2Extent ), ExpandV2( v2Size ), ExpandV2( v2Default ) );
switch ( GetHorizontalAlignment() )
{
case EKUIInterfaceHAlign::HA_Left:
v2AlignLocation.X = v2Origin.X;
break;
case EKUIInterfaceHAlign::HA_Centre:
v2AlignLocation.X = v2Origin.X + ( v2Extent.X / 2.f ) - ( v2Size.X / 2.f );
break;
case EKUIInterfaceHAlign::HA_Right:
v2AlignLocation.X = v2Origin.X + v2Extent.X - v2Size.X;
break;
case EKUIInterfaceHAlign::HA_Left_Outer:
v2AlignLocation.X = v2Origin.X - v2Size.X;
break;
case EKUIInterfaceHAlign::HA_Right_Outer:
v2AlignLocation.X = v2Origin.X + v2Extent.X;
break;
case EKUIInterfaceHAlign::HA_Fill:
SetSize( v2Extent.X - v2MarginSize.X, GetSize().Y );
v2AlignLocation.X = v2Origin.X;
break;
case EKUIInterfaceHAlign::HA_None:
default:
v2AlignLocation.X = v2Default.X;
break;
}
switch ( GetVerticalAlignment() )
{
case EKUIInterfaceVAlign::VA_Top:
v2AlignLocation.Y = v2Origin.Y;
break;
case EKUIInterfaceVAlign::VA_Centre:
v2AlignLocation.Y = v2Origin.Y + ( v2Extent.Y / 2.f ) - ( v2Size.Y / 2.f );
break;
case EKUIInterfaceVAlign::VA_Bottom:
v2AlignLocation.Y = v2Origin.Y + v2Extent.Y - v2Size.Y;
break;
case EKUIInterfaceVAlign::VA_Top_Outer:
v2AlignLocation.Y = v2Origin.Y - v2Size.Y;
break;
case EKUIInterfaceVAlign::VA_Bottom_Outer:
v2AlignLocation.Y = v2Origin.Y + v2Extent.Y;
break;
case EKUIInterfaceVAlign::VA_Fill:
SetSize( GetSize().X, v2Extent.Y - v2MarginSize.Y );
v2AlignLocation.Y = v2Origin.Y;
break;
case EKUIInterfaceVAlign::VA_None:
default:
v2AlignLocation.Y = v2Default.Y;
break;
}
v2AlignLocation += GetMarginOffset();
if ( bDebug )
KUILogUO( "%f,%f", ExpandV2( v2AlignLocation ) );
return v2AlignLocation;
}
void UKUISubContainerRenderCache::UpdateRenderCache( UKUIInterfaceElement* oElement )
{
if ( oElement == NULL )
{
KUIErrorUO( "Null element" );
return;
}
KUILogUO( "Updating Render Cache" );
UKUISubContainer* const ctSub = Cast<UKUISubContainer>( oElement );
const FVector2D v2ElemSize = ctSub->GetTotalSize();
if ( v2ElemSize.X < 1.f || v2ElemSize.Y < 1.f )
{
KUIErrorUO( "Element is zero size" );
return;
}
bool bRebuildTexture = false;
if ( GetTexture() == NULL )
bRebuildTexture = true;
else if ( v2ElemSize.X != GetTexture()->GetSurfaceWidth() || v2ElemSize.Y != GetTexture()->GetSurfaceHeight() )
bRebuildTexture = true;
if ( bRebuildTexture )
CreateRenderCache( v2ElemSize );
if ( GetTexture() == NULL )
{
KUIErrorUO( "Texture is null" );
return;
}
if ( !GetTexture()->IsA<UTextureRenderTarget2D>() )
{
KUIErrorUO( "Texture is not a render target" );
return;
}
UTextureRenderTarget2D* const tRenderTarget = Cast<UTextureRenderTarget2D>( GetTexture() );
tRenderTarget->UpdateResource();
tRenderTarget->UpdateResourceImmediate();
UCanvas* uoCanvas = Cast<UCanvas>( StaticFindObjectFast( UCanvas::StaticClass(), GetTransientPackage(), FName( TEXT( "Sub Container Render Cache Canvas" ) ) ) );
if ( uoCanvas == NULL )
{
uoCanvas = NewObject<UCanvas>( GetTransientPackage(), FName( TEXT( "Sub Container Render Cache Canvas" ) ) );
uoCanvas->AddToRoot();
}
uoCanvas->Init( floor( v2ElemSize.X ), floor( v2ElemSize.Y ), NULL );
uoCanvas->Update();
ENQUEUE_UNIQUE_RENDER_COMMAND_ONEPARAMETER(
CanvasRenderTargetMakeCurrentCommand,
FTextureRenderTarget2DResource*,
TextureRenderTarget,
static_cast<FTextureRenderTarget2DResource*>( tRenderTarget->GameThread_GetRenderTargetResource() ),
{
SetRenderTarget( RHICmdList, TextureRenderTarget->GetRenderTargetTexture(), FTexture2DRHIRef() );
RHICmdList.SetViewport( 0, 0, 0.0f, TextureRenderTarget->GetSizeXY().X, TextureRenderTarget->GetSizeXY().Y, 1.0f );
}
void AKUIInterface::Render( UCanvas* oCanvas )
{
if ( !bShowHUD )
return;
if ( GEngine != NULL && GEngine->GameViewport != NULL )
{
// Update the screen res.
FVector2D v2ScreenResolution = FVector2D::ZeroVector;
GEngine->GameViewport->GetViewportSize( v2ScreenResolution );
if ( !this->v2ScreenResolution.Equals( v2ScreenResolution, 0.5f ) )
OnScreenResolutionChange( this->v2ScreenResolution, v2ScreenResolution );
this->v2ScreenResolution = v2ScreenResolution;
if ( this->v2CursorLocation.X == KUI_INTERFACE_FIRST_CURSOR_UPDATE )
this->v2CursorLocation = FVector2D( floor( this->v2ScreenResolution.X / 2.f ), floor( this->v2ScreenResolution.Y / 2.f ) );
}
if ( !IsTemplate() )
OnRenderBP( Canvas );
#if KUI_INTERFACE_MOUSEOVER_DEBUG
cmDebugMouseOver = NULL;
v2DebugMouseOverLocation = FVector2D::ZeroVector;
v2DebugMouseOverSize = FVector2D::ZeroVector;
#endif // KUI_INTERFACE_MOUSEOVER_DEBUG
if ( IsVisible() )
{
for ( int32 i = 0; i < ctRootContainers.Num(); ++i )
{
if ( ctRootContainers[ i ] == NULL )
continue;
if ( i == EKUIInterfaceRoot::R_Cursor )
continue;
#if KUI_INTERFACE_MOUSEOVER_DEBUG
bDebugMouseOver = arDebugMouseOver[ i ];
#endif // KUI_INTERFACE_MOUSEOVER_DEBUG
ctRootContainers[ i ]->Render( this, oCanvas, FVector2D::ZeroVector );
}
}
if ( IsCursorVisible() )
{
#if KUI_INTERFACE_MOUSEOVER_DEBUG
bDebugMouseOver = arDebugMouseOver[ EKUIInterfaceRoot::R_Cursor ];
#endif // KUI_INTERFACE_MOUSEOVER_DEBUG
ctRootContainers[ EKUIInterfaceRoot::R_Cursor ]->Render( this, oCanvas, v2CursorLocation );
}
#if KUI_INTERFACE_MOUSEOVER_DEBUG
bDebugMouseOver = false;
if ( cmDebugMouseOver.IsValid() )
{
cmDebugMouseOverTestBox->SetLocationStruct( v2DebugMouseOverLocation + FVector2D( 1.f, 1.f ) );
cmDebugMouseOverTestBox->SetSizeStruct( v2DebugMouseOverSize - FVector2D( 1.f, 1.f ) );
cmDebugMouseOverTestBox->Render( this, oCanvas, FVector2D::ZeroVector, NULL );
}
if ( cmDebugMouseOver.Get() != cmDebugMouseOverLastTick.Get() )
{
KUILogUO(
"UI Mouse Over: %s: %s -> %s: %s (%f,%f) -> (%f,%f)",
*( cmDebugMouseOverLastTick.Get() ? ( cmDebugMouseOverLastTick.Get()->GetOuter() ? cmDebugMouseOverLastTick.Get()->GetOuter()->GetName() : "NULL" ) : "NULL" ),
*( cmDebugMouseOverLastTick.Get() ? cmDebugMouseOverLastTick->GetName() : FString( "NULL" ) ),
*( cmDebugMouseOver.Get() ? ( cmDebugMouseOver.Get()->GetOuter() ? cmDebugMouseOver.Get()->GetOuter()->GetName() : "NULL" ) : "NULL" ),
*( cmDebugMouseOver.Get() ? cmDebugMouseOver->GetName() : FString( "NULL" ) ),
ExpandV2( v2DebugMouseOverLocation ),
ExpandV2( v2DebugMouseOverSize )
);
}
cmDebugMouseOverLastTick = cmDebugMouseOver.Get();
#endif // KUI_INTERFACE_MOUSEOVER_DEBUG
}