void FTileSetEditorViewportClient::Draw(FViewport* InViewport, FCanvas* Canvas)
{
// Clear the viewport
Canvas->Clear(GetBackgroundColor());
// Can only proceed if we have a valid tile set
UPaperTileSet* TileSet = TileSetBeingEdited.Get();
if (TileSet == nullptr)
{
return;
}
if (UTexture2D* Texture = TileSet->GetTileSheetTexture())
{
const bool bUseTranslucentBlend = Texture->HasAlphaChannel();
// Fully stream in the texture before drawing it.
Texture->SetForceMipLevelsToBeResident(30.0f);
Texture->WaitForStreaming();
FLinearColor TextureDrawColor = FLinearColor::White;
{
// Draw the tile sheet texture
const float XPos = -ZoomPos.X * ZoomAmount;
const float YPos = -ZoomPos.Y * ZoomAmount;
const float Width = Texture->GetSurfaceWidth() * ZoomAmount;
const float Height = Texture->GetSurfaceHeight() * ZoomAmount;
Canvas->DrawTile(XPos, YPos, Width, Height, 0.0f, 0.0f, 1.0f, 1.0f, TextureDrawColor, Texture->Resource, bUseTranslucentBlend);
}
const FLinearColor BorderRectangleColor(0.3f, 0.3f, 0.3f, 1.0f);
{
const FIntPoint TextureSize = Texture->GetImportedSize();
const FIntMargin BorderSize = TileSet->GetMargin();
const FIntRect TileSetRegion(BorderSize.Left, BorderSize.Top, TextureSize.X - BorderSize.Right, TextureSize.Y - BorderSize.Bottom);
const float X = (TileSetRegion.Min.X - ZoomPos.X) * ZoomAmount;
const float Y = (TileSetRegion.Min.Y - ZoomPos.Y) * ZoomAmount;
const float W = TileSetRegion.Width() * ZoomAmount;
const float H = TileSetRegion.Height() * ZoomAmount;
FCanvasBoxItem BoxItem(FVector2D(X, Y), FVector2D(W, H));
BoxItem.SetColor(BorderRectangleColor);
Canvas->DrawItem(BoxItem);
}
if (bShowTilesWithCollision || bShowTilesWithMetaData)
{
// Draw an overlay rectangle on top of any tiles that have collision or metadata geometry
const int32 NumTiles = TileSet->GetTileCount();
const FLinearColor CollisionOverlayColor(0.0f, 0.7f, 1.0f, 0.5f);
const FLinearColor MetaDataOverlayColor(1.0f, 0.2f, 0.0f, 0.5f);
const FLinearColor InfoOverlayColor = bShowTilesWithCollision ? CollisionOverlayColor : MetaDataOverlayColor;
const FIntPoint TileSetTileSize(TileSet->GetTileSize());
const float Width = (TileSetTileSize.X - 2) * ZoomAmount;
const float Height = (TileSetTileSize.Y - 2) * ZoomAmount;
for (int32 TileIndex = 0; TileIndex < NumTiles; ++TileIndex)
{
if (const FPaperTileMetadata* TileMetadata = TileSet->GetTileMetadata(TileIndex))
{
const bool bShowDueToCollision = TileMetadata->HasCollision() && bShowTilesWithCollision;
const bool bShowDueToMetaData = TileMetadata->HasMetaData() && bShowTilesWithMetaData;
if (bShowDueToCollision || bShowDueToMetaData)
{
FVector2D TileUV;
TileSet->GetTileUV(TileIndex, /*out*/ TileUV);
const float XPos = (TileUV.X + 1 - ZoomPos.X) * ZoomAmount;
const float YPos = (TileUV.Y + 1 - ZoomPos.Y) * ZoomAmount;
Canvas->DrawTile(XPos, YPos, Width, Height, 0.0f, 0.0f, 1.0f, 1.0f, InfoOverlayColor, GWhiteTexture, /*bUseTranslucentBlend=*/ true);
}
}
}
}
}
// Overlay the selection rectangles
DrawSelectionRectangles(InViewport, Canvas);
if (bHasValidPaintRectangle)
{
const FViewportSelectionRectangle& Rect = ValidPaintRectangle;
const float X = (Rect.TopLeft.X - ZoomPos.X) * ZoomAmount;
const float Y = (Rect.TopLeft.Y - ZoomPos.Y) * ZoomAmount;
const float W = Rect.Dimensions.X * ZoomAmount;
const float H = Rect.Dimensions.Y * ZoomAmount;
FCanvasBoxItem BoxItem(FVector2D(X, Y), FVector2D(W, H));
BoxItem.SetColor(Rect.Color);
Canvas->DrawItem(BoxItem);
}
if (CurrentSelectedTileIndex != INDEX_NONE)
{
const FString TileIndexString = FString::Printf(TEXT("Tile# %d"), CurrentSelectedTileIndex);
int32 XL;
int32 YL;
StringSize(GEngine->GetLargeFont(), XL, YL, *TileIndexString);
const float DrawX = 4.0f;
const float DrawY = FMath::FloorToFloat(InViewport->GetSizeXY().Y - YL - 4.0f);
Canvas->DrawShadowedString(DrawX, DrawY, *TileIndexString, GEngine->GetLargeFont(), FLinearColor::White);
}
}
void FTextureEditorViewportClient::Draw(FViewport* Viewport, FCanvas* Canvas)
{
if (!TextureEditorPtr.IsValid())
{
return;
}
UTexture* Texture = TextureEditorPtr.Pin()->GetTexture();
FVector2D Ratio = FVector2D(GetViewportHorizontalScrollBarRatio(), GetViewportVerticalScrollBarRatio());
FVector2D ViewportSize = FVector2D(TextureEditorViewportPtr.Pin()->GetViewport()->GetSizeXY().X, TextureEditorViewportPtr.Pin()->GetViewport()->GetSizeXY().Y);
FVector2D ScrollBarPos = GetViewportScrollBarPositions();
int32 YOffset = (Ratio.Y > 1.0f)? ((ViewportSize.Y - (ViewportSize.Y / Ratio.Y)) * 0.5f): 0;
int32 YPos = YOffset - ScrollBarPos.Y;
int32 XOffset = (Ratio.X > 1.0f)? ((ViewportSize.X - (ViewportSize.X / Ratio.X)) * 0.5f): 0;
int32 XPos = XOffset - ScrollBarPos.X;
UpdateScrollBars();
const UTextureEditorSettings& Settings = *GetDefault<UTextureEditorSettings>();
Canvas->Clear( Settings.BackgroundColor );
TextureEditorPtr.Pin()->PopulateQuickInfo();
// Get the rendering info for this object
FThumbnailRenderingInfo* RenderInfo = GUnrealEd->GetThumbnailManager()->GetRenderingInfo(Texture);
// If there is an object configured to handle it, draw the thumbnail
if (RenderInfo != NULL && RenderInfo->Renderer != NULL)
{
UTexture2D* Texture2D = Cast<UTexture2D>(Texture);
UTextureCube* TextureCube = Cast<UTextureCube>(Texture);
UTextureRenderTarget2D* TextureRT2D = Cast<UTextureRenderTarget2D>(Texture);
UTextureRenderTargetCube* RTTextureCube = Cast<UTextureRenderTargetCube>(Texture);
// Fully stream in the texture before drawing it.
if (Texture2D)
{
Texture2D->SetForceMipLevelsToBeResident(30.0f);
Texture2D->WaitForStreaming();
}
// Figure out the size we need
uint32 Width, Height;
TextureEditorPtr.Pin()->CalculateTextureDimensions(Width, Height);
TRefCountPtr<FBatchedElementParameters> BatchedElementParameters;
if (GMaxRHIFeatureLevel >= ERHIFeatureLevel::SM4)
{
if (TextureCube || RTTextureCube)
{
BatchedElementParameters = new FMipLevelBatchedElementParameters((float)TextureEditorPtr.Pin()->GetMipLevel(), false);
}
else if (Texture2D)
{
float MipLevel = (float)TextureEditorPtr.Pin()->GetMipLevel();
bool bIsNormalMap = Texture2D->IsNormalMap();
bool bIsSingleChannel = Texture2D->CompressionSettings == TC_Grayscale || Texture2D->CompressionSettings == TC_Alpha;
BatchedElementParameters = new FBatchedElementTexture2DPreviewParameters(MipLevel, bIsNormalMap, bIsSingleChannel);
}
else if (TextureRT2D)
{
float MipLevel = (float)TextureEditorPtr.Pin()->GetMipLevel();
BatchedElementParameters = new FBatchedElementTexture2DPreviewParameters(MipLevel, false, false);
}
else
{
// Default to treating any UTexture derivative as a 2D texture resource
float MipLevel = (float)TextureEditorPtr.Pin()->GetMipLevel();
BatchedElementParameters = new FBatchedElementTexture2DPreviewParameters(MipLevel, false, false);
}
}
// Draw the background checkerboard pattern in the same size/position as the render texture so it will show up anywhere
// the texture has transparency
if (Settings.Background == TextureEditorBackground_CheckeredFill)
{
Canvas->DrawTile( 0.0f, 0.0f, Viewport->GetSizeXY().X, Viewport->GetSizeXY().Y, 0.0f, 0.0f, (Viewport->GetSizeXY().X / CheckerboardTexture->GetSizeX()), (Viewport->GetSizeXY().Y / CheckerboardTexture->GetSizeY()), FLinearColor::White, CheckerboardTexture->Resource);
}
else if (Settings.Background == TextureEditorBackground_Checkered)
{
Canvas->DrawTile( XPos, YPos, Width, Height, 0.0f, 0.0f, (Width / CheckerboardTexture->GetSizeX()), (Height / CheckerboardTexture->GetSizeY()), FLinearColor::White, CheckerboardTexture->Resource);
}
float Exposure = FMath::Pow(2.0f, (float)TextureEditorViewportPtr.Pin()->GetExposureBias());
FCanvasTileItem TileItem( FVector2D( XPos, YPos ), Texture->Resource, FVector2D( Width, Height ), FLinearColor(Exposure, Exposure, Exposure) );
TileItem.BlendMode = TextureEditorPtr.Pin()->GetColourChannelBlendMode();
TileItem.BatchedElementParameters = BatchedElementParameters;
Canvas->DrawItem( TileItem );
// Draw a white border around the texture to show its extents
if (Settings.TextureBorderEnabled)
{
FCanvasBoxItem BoxItem( FVector2D(XPos, YPos), FVector2D(Width , Height ) );
BoxItem.SetColor( Settings.TextureBorderColor );
Canvas->DrawItem( BoxItem );
}
}
}
/**
*
* @param Item the stat to render
* @param Canvas the render interface to draw with
* @param X the X location to start drawing at
* @param Y the Y location to start drawing at
* @param Indent Indentation of this cycles, used when rendering hierarchy
* @param bStackStat If false, this is a non-stack cycle counter, don't render the call count column
*/
static int32 RenderCycle( const FComplexStatMessage& Item, class FCanvas* Canvas, int32 X, int32 Y, const int32 Indent, const bool bStackStat )
{
FColor Color = GetStatRenderGlobals().StatColor;
check(Item.NameAndInfo.GetFlag(EStatMetaFlags::IsCycle));
const bool bIsInitialized = Item.NameAndInfo.GetField<EStatDataType>() == EStatDataType::ST_int64;
const int32 IndentWidth = Indent*8;
if( bIsInitialized )
{
const float InMs = FPlatformTime::ToMilliseconds(Item.GetValue_Duration(EComplexStatField::IncAve));
// Color will be determined by the average value of history
// If show inclusive and and show exclusive is on, then it will choose color based on inclusive average
// @TODO yrx 2014-08-21 This is slow, fix this.
FString CounterName = Item.GetShortName().ToString();
CounterName.RemoveFromStart(TEXT("STAT_"));
GEngine->GetStatValueColoration(CounterName, InMs, Color);
const float MaxMeter = 33.3f; // the time of a "full bar" in ms
const int32 MeterWidth = GetStatRenderGlobals().AfterNameColumnOffset;
int32 BarWidth = int32((InMs / MaxMeter) * MeterWidth);
if (BarWidth > 2)
{
if (BarWidth > MeterWidth )
{
BarWidth = MeterWidth;
}
FCanvasBoxItem BoxItem( FVector2D(X + MeterWidth - BarWidth, Y + .4f * GetStatRenderGlobals().GetFontHeight()), FVector2D(BarWidth, 0.2f * GetStatRenderGlobals().GetFontHeight()) );
BoxItem.SetColor( FLinearColor::Red );
BoxItem.Draw( Canvas );
}
}
Canvas->DrawShadowedString(X + IndentWidth, Y, *ShortenName(*Item.GetDescription()), GetStatRenderGlobals().StatFont, Color);
int32 CurrX = X + GetStatRenderGlobals().AfterNameColumnOffset;
// Now append the call count
if( bStackStat )
{
if (Item.NameAndInfo.GetFlag(EStatMetaFlags::IsPackedCCAndDuration) && bIsInitialized)
{
RightJustify(Canvas,CurrX,Y,*FString::Printf(TEXT("%u"), Item.GetValue_CallCount(EComplexStatField::IncAve)),Color);
}
CurrX += GetStatRenderGlobals().InterColumnOffset;
}
// Add the two inclusive columns if asked
if( bIsInitialized )
{
RightJustify(Canvas,CurrX,Y,*FString::Printf(TEXT("%1.2f ms"),FPlatformTime::ToMilliseconds(Item.GetValue_Duration(EComplexStatField::IncAve))),Color);
}
CurrX += GetStatRenderGlobals().InterColumnOffset;
if( bIsInitialized )
{
RightJustify(Canvas,CurrX,Y,*FString::Printf(TEXT("%1.2f ms"),FPlatformTime::ToMilliseconds(Item.GetValue_Duration(EComplexStatField::IncMax))),Color);
}
CurrX += GetStatRenderGlobals().InterColumnOffset;
if( bStackStat )
{
// And the exclusive if asked
if( bIsInitialized )
{
RightJustify(Canvas,CurrX,Y,*FString::Printf(TEXT("%1.2f ms"),FPlatformTime::ToMilliseconds(Item.GetValue_Duration(EComplexStatField::ExcAve))),Color);
}
CurrX += GetStatRenderGlobals().InterColumnOffset;
if( bIsInitialized )
{
RightJustify(Canvas,CurrX,Y,*FString::Printf(TEXT("%1.2f ms"),FPlatformTime::ToMilliseconds(Item.GetValue_Duration(EComplexStatField::ExcMax))),Color);
}
CurrX += GetStatRenderGlobals().InterColumnOffset;
}
return GetStatRenderGlobals().GetFontHeight();
}
void FCanvasItemTestbed::Draw( class FViewport* Viewport, class FCanvas* Canvas )
{
bTestState = !bTestState;
if( !bShowTestbed )
{
return;
}
// A little ott for a testbed - but I wanted to draw several lines to ensure it worked :)
if( TestLine.bTestSet == false )
{
TestLine.bTestSet = true;
TestLine.LineStart.X = FMath::FRandRange( 0.0f, Viewport->GetSizeXY().X );
TestLine.LineStart.Y = FMath::FRandRange( 0.0f, Viewport->GetSizeXY().Y );
TestLine.LineEnd.X = FMath::FRandRange( 0.0f, Viewport->GetSizeXY().X );
TestLine.LineEnd.Y = FMath::FRandRange( 0.0f, Viewport->GetSizeXY().Y );
TestLine.LineMove.X = FMath::FRandRange( 0.0f, 32.0f );
TestLine.LineMove.Y = FMath::FRandRange( 0.0f, 32.0f );
TestLine.LineMove2.X = FMath::FRandRange( 0.0f, 32.0f );
TestLine.LineMove2.Y = FMath::FRandRange( 0.0f, 32.0f );
}
else
{
TestLine.LineStart += TestLine.LineMove;
TestLine.LineEnd += TestLine.LineMove2;
if( TestLine.LineStart.X < 0 )
{
TestLine.LineMove.X = -TestLine.LineMove.X;
}
if( TestLine.LineStart.Y < 0 )
{
TestLine.LineMove.Y = -TestLine.LineMove.Y;
}
if( TestLine.LineEnd.X < 0 )
{
TestLine.LineMove2.X = -TestLine.LineMove2.X;
}
if( TestLine.LineEnd.Y < 0 )
{
TestLine.LineMove2.Y = -TestLine.LineMove2.Y;
}
if( TestLine.LineStart.X > Viewport->GetSizeXY().X )
{
TestLine.LineMove.X = -TestLine.LineMove.X;
}
if( TestLine.LineStart.Y > Viewport->GetSizeXY().Y )
{
TestLine.LineMove.Y = -TestLine.LineMove.Y;
}
if( TestLine.LineEnd.X > Viewport->GetSizeXY().X )
{
TestLine.LineMove2.X = -TestLine.LineMove2.X;
}
if( TestLine.LineEnd.Y > Viewport->GetSizeXY().Y )
{
TestLine.LineMove2.Y = -TestLine.LineMove2.Y;
}
}
// Text
float CenterX = 0.0f;
float YTest = 16.0f;
FCanvasTextItem TextItem( FVector2D( CenterX, YTest ), LOCTEXT( "stringhere", "String Here" ), GEngine->GetSmallFont(), FLinearColor::Red );
TextItem.Draw( Canvas );
// Shadowed text
TextItem.Position.Y += TextItem.DrawnSize.Y;
TextItem.Scale.X = 2.0f;
TextItem.EnableShadow( FLinearColor::Green, FVector2D( 2.0f, 2.0f ) );
TextItem.Text = LOCTEXT( "Scaled String here", "Scaled String here" );
TextItem.Draw( Canvas );
TextItem.DisableShadow();
TextItem.Position.Y += TextItem.DrawnSize.Y;;
TextItem.Text = LOCTEXT( "CenterdStringhere", "CenterdStringhere" );
TextItem.Scale.X = 1.0f;
TextItem.bCentreX = true;
TextItem.Draw( Canvas );
// Outlined text
TextItem.Position.Y += TextItem.DrawnSize.Y;
TextItem.Text = LOCTEXT( "ScaledCentredStringhere", "Scaled Centred String here" );
TextItem.OutlineColor = FLinearColor::Black;
TextItem.bOutlined = true;
TextItem.Scale = FVector2D( 2.0f, 2.0f );
TextItem.SetColor( FLinearColor::Green );
TextItem.Text = LOCTEXT( "ScaledCentredOutlinedStringhere", "Scaled Centred Outlined String here" );
TextItem.Draw( Canvas );
// a line
FCanvasLineItem LineItem( TestLine.LineStart, TestLine.LineEnd );
LineItem.Draw( Canvas );
// some boxes
FCanvasBoxItem BoxItem( FVector2D( 88.0f, 88.0f ), FVector2D( 188.0f, 188.0f ) );
BoxItem.SetColor( FLinearColor::Yellow );
BoxItem.Draw( Canvas );
BoxItem.SetColor( FLinearColor::Red );
BoxItem.Position = FVector2D( 256.0f, 256.0f );
BoxItem.Draw( Canvas );
BoxItem.SetColor( FLinearColor::Blue );
BoxItem.Position = FVector2D( 6.0f, 6.0f );
BoxItem.Size = FVector2D( 48.0f, 96.0f );
BoxItem.Draw( Canvas );
// Triangle
FCanvasTriangleItem TriItem( FVector2D( 48.0f, 48.0f ), FVector2D( 148.0f, 48.0f ), FVector2D( 48.0f, 148.0f ), GWhiteTexture );
TriItem.Draw( Canvas );
// Triangle list
TArray< FCanvasUVTri > TriangleList;
FCanvasUVTri SingleTri;
SingleTri.V0_Pos = FVector2D( 128.0f, 128.0f );
SingleTri.V1_Pos = FVector2D( 248.0f, 108.0f );
SingleTri.V2_Pos = FVector2D( 100.0f, 348.0f );
SingleTri.V0_UV = FVector2D::ZeroVector;
SingleTri.V1_UV = FVector2D::ZeroVector;
SingleTri.V2_UV = FVector2D::ZeroVector;
TriangleList.Add( SingleTri );
SingleTri.V0_Pos = FVector2D( 348.0f, 128.0f );
SingleTri.V1_Pos = FVector2D( 448.0f, 148.0f );
SingleTri.V2_Pos = FVector2D( 438.0f, 308.0f );
TriangleList.Add( SingleTri );
FCanvasTriangleItem TriItemList( TriangleList, GWhiteTexture );
TriItemList.SetColor( FLinearColor::Red );
TriItemList.Draw( Canvas );
// FCanvasNGonItem NGon( FVector2D( 256.0f, 256.0f ), FVector2D( 256.0f, 256.0f ), 6, GWhiteTexture, FLinearColor::White );
// NGon.Draw( Canvas );
//
// FCanvasNGonItem NGon2( FVector2D( 488, 666.0f ), FVector2D( 256.0f, 256.0f ), 16, GWhiteTexture, FLinearColor::Green );
// NGon2.Draw( Canvas );
// Texture
UTexture* SelectedTexture = GEditor->GetSelectedObjects()->GetTop<UTexture>();
if( SelectedTexture )
{
// Plain tex
FCanvasTileItem TileItem( FVector2D( 128.0f,128.0f ), SelectedTexture->Resource, FLinearColor::White );
TileItem.Draw( Canvas );
TileItem.Size = FVector2D( 32.0f,32.0f );
TileItem.Position = FVector2D( 16.0f,16.0f );
TileItem.Draw( Canvas );
// UV
TileItem.Size = FVector2D( 64.0f,64.0f );
TileItem.UV0 = FVector2D( 0.0f, 0.0f );
TileItem.UV1 = FVector2D( 1.0f, 1.0f );
TileItem.Position = FVector2D( 256.0f,16.0f );
TileItem.Draw( Canvas );
// UV
TileItem.Size = FVector2D( 64.0f,64.0f );
TileItem.UV0 = FVector2D( 0.0f, 0.0f );
TileItem.UV1 = FVector2D( 1.0f, -1.0f );
TileItem.Position = FVector2D( 356.0f,16.0f );
TileItem.Draw( Canvas );
// UV
TileItem.Size = FVector2D( 64.0f,64.0f );
TileItem.UV0 = FVector2D( 0.0f, 0.0f );
TileItem.UV1 = FVector2D( -1.0f, 1.0f );
TileItem.Position = FVector2D( 456.0f,16.0f );
TileItem.Draw( Canvas );
// UV
TileItem.Size = FVector2D( 64.0f,64.0f );
TileItem.UV0 = FVector2D( 0.0f, 0.0f );
TileItem.UV1 = FVector2D( -1.0f, -1.0f );
TileItem.Position = FVector2D( 556.0f,16.0f );
TileItem.Draw( Canvas );
// Rotate top/left pivot
TileItem.Size = FVector2D( 96.0f,96.0f );
TileItem.UV0 = FVector2D( 0.0f, 0.0f );
TileItem.UV1 = FVector2D( 1.0f, 1.0f );
TileItem.Position = FVector2D( 400.0f,264.0f );
TileItem.Rotation.Yaw = TestLine.Testangle;
TileItem.Draw( Canvas );
// Rotate center pivot
TileItem.Size = FVector2D( 128.0f, 128.0f );
TileItem.UV0 = FVector2D( 0.0f, 0.0f );
TileItem.UV1 = FVector2D( 1.0f, 1.0f );
TileItem.Position = FVector2D( 600.0f,264.0f );
TileItem.Rotation.Yaw = 360.0f - TestLine.Testangle;
TileItem.PivotPoint = FVector2D( 0.5f, 0.5f );
TileItem.Draw( Canvas );
TestLine.Testangle = FMath::Fmod( TestLine.Testangle + 2.0f, 360.0f );
// textured tri
FCanvasTriangleItem TriItemTex( FVector2D( 48.0f, 48.0f ), FVector2D( 148.0f, 48.0f ), FVector2D( 48.0f, 148.0f ), FVector2D( 0.0f, 0.0f ), FVector2D( 1.0f, 0.0f ), FVector2D( 0.0f, 1.0f ), SelectedTexture->Resource );
TriItem.Texture = GWhiteTexture;
TriItemTex.Draw( Canvas );
// moving tri (only 1 point moves !)
TriItemTex.Position = TestLine.LineStart;
TriItemTex.Draw( Canvas );
}
}