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Allow to unset segmentation object ID #814

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merged 2 commits into from
Feb 14, 2018
Merged

Allow to unset segmentation object ID #814

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605f42e
Allow negative stencil values to turn off custom depth rendering
aburgm Jan 31, 2018
389de38
Add documentation for unsetting object ID
aburgm Feb 14, 2018
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Allow negative stencil values to turn off custom depth rendering 
This is useful when you don't want to have certain objects show up in the
segmentation view, such as leaves on the floor.
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@aburgm
aburgm committed Feb 14, 2018
commit 605f42e8bd84c20be8feb4945225b5eb53b7de3a
33 changes: 27 additions & 6 deletions Unreal/Plugins/AirSim/Source/AirBlueprintLib.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -167,24 +167,45 @@ void UAirBlueprintLib::InitializeObjectStencilID(T* mesh, bool ignore_existing)
template<typename T>
void UAirBlueprintLib::SetObjectStencilID(T* mesh, int object_id)
{
mesh->SetCustomDepthStencilValue(object_id);
mesh->SetRenderCustomDepth(true);
if (object_id < 0)
{
mesh->SetRenderCustomDepth(false);
}
else
{
mesh->SetCustomDepthStencilValue(object_id);
mesh->SetRenderCustomDepth(true);
}
//mesh->SetVisibility(false);
//mesh->SetVisibility(true);
}

void UAirBlueprintLib::SetObjectStencilID(ALandscapeProxy* mesh, int object_id)
{
mesh->CustomDepthStencilValue = object_id;
mesh->bRenderCustomDepth = true;
if (object_id < 0)
{
mesh->bRenderCustomDepth = false;
}
else
{
mesh->CustomDepthStencilValue = object_id;
mesh->bRenderCustomDepth = true;
}

// Explicitly set the custom depth state on the components so the
// render state is marked dirty and the update actually takes effect
// immediately.
for (ULandscapeComponent* comp : mesh->LandscapeComponents)
{
comp->SetCustomDepthStencilValue(object_id);
comp->SetRenderCustomDepth(true);
if (object_id < 0)
{
comp->SetRenderCustomDepth(false);
}
else
{
comp->SetCustomDepthStencilValue(object_id);
comp->SetRenderCustomDepth(true);
}
}
}

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