bool FSpriteEditorViewportClient::InputKey(FViewport* Viewport, int32 ControllerId, FKey Key, EInputEvent Event, float AmountDepressed, bool bGamepad)
{
bool bHandled = false;
FInputEventState InputState(Viewport, Key, Event);
// Handle marquee tracking in source region edit mode
if (IsInSourceRegionEditMode())
{
FSpriteGeometryEditMode* GeometryEditMode = ModeTools->GetActiveModeTyped<FSpriteGeometryEditMode>(FSpriteGeometryEditMode::EM_SpriteGeometry);
check(GeometryEditMode);
const bool bMarqueeStartModifier = InputState.IsCtrlButtonPressed();
if (GeometryEditMode->ProcessMarquee(Viewport, Key, Event, bMarqueeStartModifier))
{
FIntPoint TextureSpaceStartPos;
FIntPoint TextureSpaceDimensions;
if (ConvertMarqueeToSourceTextureSpace(/*out*/TextureSpaceStartPos, /*out*/TextureSpaceDimensions))
{
//@TODO: Warn if overlapping with another sprite
CreateNewSprite(TextureSpaceStartPos, TextureSpaceDimensions);
}
}
}
// Pass keys to standard controls, if we didn't consume input
return (bHandled) ? true : FEditorViewportClient::InputKey(Viewport, ControllerId, Key, Event, AmountDepressed, bGamepad);
}
bool UHGGifFactory::GenerateSprites(const TArray<UTexture2D*>& Textures, /*out*/TArray<UPaperSprite*>& OutSprites, UObject* InParent, EObjectFlags Flags, UObject* Context, FFeedbackContext* Warn)
{
FAssetToolsModule& AssetToolsModule = FModuleManager::Get().LoadModuleChecked<FAssetToolsModule>("AssetTools");
FContentBrowserModule& ContentBrowserModule = FModuleManager::LoadModuleChecked<FContentBrowserModule>("ContentBrowser");
TArray<UObject*> ObjectsToSync;
for (UTexture2D* Texture : Textures)
{
if (Texture != nullptr)
{
FString Name;
FString PackageName;
const FString DefaultSuffix = TEXT("_Sprite");
AssetToolsModule.Get().CreateUniqueAssetName(Texture->GetName(), DefaultSuffix, /*out*/ PackageName, /*out*/ Name);
UPaperSprite* NewAsset = CreateNewSprite(Texture, UPaperSprite::StaticClass(), InParent, *Name, Flags, Context, Warn);
ObjectsToSync.Add(NewAsset);
OutSprites.Add(NewAsset);
}
}
if (ObjectsToSync.Num() > 0)
{
ContentBrowserModule.Get().SyncBrowserToAssets(ObjectsToSync);
return true;
}
return false;
}
void FSpriteEditorViewportClient::ProcessClick(FSceneView& View, HHitProxy* HitProxy, FKey Key, EInputEvent Event, uint32 HitX, uint32 HitY)
{
const FViewportClick Click(&View, this, Key, Event, HitX, HitY);
const bool bIsCtrlKeyDown = Viewport->KeyState(EKeys::LeftControl) || Viewport->KeyState(EKeys::RightControl);
const bool bIsShiftKeyDown = Viewport->KeyState(EKeys::LeftShift) || Viewport->KeyState(EKeys::RightShift);
const bool bIsAltKeyDown = Viewport->KeyState(EKeys::LeftAlt) || Viewport->KeyState(EKeys::RightAlt);
bool bHandled = false;
HSpriteSelectableObjectHitProxy* SelectedItemProxy = HitProxyCast<HSpriteSelectableObjectHitProxy>(HitProxy);
if (IsInSourceRegionEditMode())
{
if ((Event == EInputEvent::IE_DoubleClick) && (Key == EKeys::LeftMouseButton))
{
FVector4 WorldPoint = View.PixelToWorld(HitX, HitY, 0);
UPaperSprite* Sprite = GetSpriteBeingEdited();
FVector2D TexturePoint = SourceTextureViewComponent->GetSprite()->ConvertWorldSpaceToTextureSpace(WorldPoint);
if (bIsCtrlKeyDown)
{
const FVector2D StartingUV = Sprite->GetSourceUV();
const FVector2D StartingSize = Sprite->GetSourceSize();
if (UPaperSprite* NewSprite = CreateNewSprite(FIntPoint((int32)StartingUV.X, (int32)StartingUV.Y), FIntPoint((int32)StartingSize.X, (int32)StartingSize.Y)))
{
NewSprite->ExtractSourceRegionFromTexturePoint(TexturePoint);
bHandled = true;
}
}
else
{
Sprite->ExtractSourceRegionFromTexturePoint(TexturePoint);
bHandled = true;
}
}
else if ((Event == EInputEvent::IE_Released) && (Key == EKeys::LeftMouseButton))
{
FVector4 WorldPoint = View.PixelToWorld(HitX, HitY, 0);
FVector2D TexturePoint = SourceTextureViewComponent->GetSprite()->ConvertWorldSpaceToTextureSpace(WorldPoint);
for (int32 RelatedSpriteIndex = 0; RelatedSpriteIndex < RelatedSprites.Num(); ++RelatedSpriteIndex)
{
FRelatedSprite& RelatedSprite = RelatedSprites[RelatedSpriteIndex];
if ((TexturePoint.X >= RelatedSprite.SourceUV.X) && (TexturePoint.Y >= RelatedSprite.SourceUV.Y) &&
(TexturePoint.X < (RelatedSprite.SourceUV.X + RelatedSprite.SourceDimension.X)) &&
(TexturePoint.Y < (RelatedSprite.SourceUV.Y + RelatedSprite.SourceDimension.Y)))
{
bHandled = true;
// Select this sprite
if (UPaperSprite* LoadedSprite = Cast<UPaperSprite>(RelatedSprite.AssetData.GetAsset()))
{
if (SpriteEditorPtr.IsValid())
{
SpriteEditorPtr.Pin()->SetSpriteBeingEdited(LoadedSprite);
break;
}
}
}
}
}
}
if (!bHandled)
{
FPaperEditorViewportClient::ProcessClick(View, HitProxy, Key, Event, HitX, HitY);
}
}
