bool FStrategyHelpers::DeprojectScreenToWorld(const FVector2D& ScreenPosition, ULocalPlayer* Player, FVector& RayOrigin, FVector& RayDirection)
{
if (Player != NULL && Player->ViewportClient != NULL && Player->ViewportClient->Viewport != NULL && Player->PlayerController != NULL)
{
//get the projection data
FSceneViewProjectionData ProjectionData;
if (Player->GetProjectionData(Player->ViewportClient->Viewport, eSSP_FULL, /*out*/ ProjectionData))
{
const FMatrix ViewMatrix = FTranslationMatrix(-ProjectionData.ViewOrigin) * ProjectionData.ViewRotationMatrix;
const FMatrix InvViewMatrix = ViewMatrix.InverseFast();
const FMatrix InvProjectionMatrix = ProjectionData.ProjectionMatrix.InverseFast();
FSceneView::DeprojectScreenToWorld(ScreenPosition, ProjectionData.GetConstrainedViewRect(), InvViewMatrix, InvProjectionMatrix, /*out*/ RayOrigin, /*out*/ RayDirection);
return true;
}
}
return false;
}
bool FProjectionUtils::DeprojectScreenToWorld(const FVector2D& screenPosition, ULocalPlayer* player, FVector& rayOrigin, FVector& rayDirection)
{
if (player != nullptr && player->ViewportClient != nullptr && player->ViewportClient->Viewport != nullptr && player->PlayerController != nullptr)
{
// get the projection data
FSceneViewProjectionData projectionData;
if (player->GetProjectionData(player->ViewportClient->Viewport, eSSP_FULL, /*out*/ projectionData))
{
const FMatrix viewMatrix = FTranslationMatrix(-projectionData.ViewOrigin) * projectionData.ViewRotationMatrix;
const FMatrix inversedViewMatrix = viewMatrix.InverseFast();
const FMatrix inversedProjectionMatrix = projectionData.ProjectionMatrix.InverseFast();
FSceneView::DeprojectScreenToWorld(screenPosition, projectionData.GetConstrainedViewRect(), inversedViewMatrix, inversedProjectionMatrix, /*out*/ rayOrigin, /*out*/ rayDirection);
return true;
}
}
return false;
}
