void ezObjectPickingResult::Reset()
{
m_PickedComponent = ezUuid();
m_PickedObject = ezUuid();
m_PickedOther = ezUuid();
m_uiPartIndex = 0;
m_vPickedPosition.SetZero();
m_vPickedNormal.SetZero();
m_vPickingRayStart.SetZero();
}
void ezSceneViewContext::PickObjectAt(ezUInt16 x, ezUInt16 y)
{
// remote processes do not support picking, just ignore this
if (ezEditorEngineProcessApp::GetSingleton()->IsRemoteMode())
return;
ezViewPickingResultMsgToEditor res;
ezView* pView = nullptr;
if (ezRenderWorld::TryGetView(m_hView, pView) && pView->IsRenderPassReadBackPropertyExisting("EditorPickingPass", "PickingMatrix"))
{
pView->SetRenderPassProperty("EditorPickingPass", "PickingPosition", ezVec2(x, y));
ezVariant varMat = pView->GetRenderPassReadBackProperty("EditorPickingPass", "PickingMatrix");
if (varMat.IsA<ezMat4>())
{
const ezUInt32 uiPickingID = pView->GetRenderPassReadBackProperty("EditorPickingPass", "PickingID").ConvertTo<ezUInt32>();
// const float fPickingDepth = pView->GetRenderPassReadBackProperty("EditorPickingPass", "PickingDepth").ConvertTo<float>();
res.m_vPickedNormal = pView->GetRenderPassReadBackProperty("EditorPickingPass", "PickingNormal").ConvertTo<ezVec3>();
res.m_vPickingRayStartPosition =
pView->GetRenderPassReadBackProperty("EditorPickingPass", "PickingRayStartPosition").ConvertTo<ezVec3>();
res.m_vPickedPosition = pView->GetRenderPassReadBackProperty("EditorPickingPass", "PickingPosition").ConvertTo<ezVec3>();
EZ_ASSERT_DEBUG(!res.m_vPickedPosition.IsNaN(), "");
const ezUInt32 uiComponentID = (uiPickingID & 0x00FFFFFF);
const ezUInt32 uiPartIndex = (uiPickingID >> 24) & 0x7F; // highest bit indicates whether the object is dynamic, ignore this
res.m_ComponentGuid = GetDocumentContext()->m_Context.m_ComponentPickingMap.GetGuid(uiComponentID);
res.m_OtherGuid = GetDocumentContext()->m_Context.m_OtherPickingMap.GetGuid(uiComponentID);
if (res.m_ComponentGuid.IsValid())
{
ezComponentHandle hComponent = GetDocumentContext()->m_Context.m_ComponentMap.GetHandle(res.m_ComponentGuid);
ezEngineProcessDocumentContext* pDocumentContext = GetDocumentContext();
// check whether the component is still valid
ezComponent* pComponent = nullptr;
if (pDocumentContext->GetWorld()->TryGetComponent<ezComponent>(hComponent, pComponent))
{
// if yes, fill out the parent game object guid
res.m_ObjectGuid = GetDocumentContext()->m_Context.m_GameObjectMap.GetGuid(pComponent->GetOwner()->GetHandle());
res.m_uiPartIndex = uiPartIndex;
}
else
{
res.m_ComponentGuid = ezUuid();
}
}
}
}
void ezCollisionMeshComponentDragDropHandler::OnDragBegin(const ezDragDropInfo* pInfo)
{
ezComponentDragDropHandler::OnDragBegin(pInfo);
if (pInfo->m_sTargetContext == "viewport")
CreateDropObject(pInfo->m_vDropPosition, "ezPxStaticActorComponent", "CollisionMesh", GetAssetGuidString(pInfo), ezUuid(), -1);
else
{
if (pInfo->m_iTargetObjectInsertChildIndex == -1) // dropped directly on a node -> attach component only
{
AttachComponentToObject("ezPxStaticActorComponent", "CollisionMesh", GetAssetGuidString(pInfo), pInfo->m_TargetObject);
// make sure this object gets selected
m_DraggedObjects.PushBack(pInfo->m_TargetObject);
}
else
CreateDropObject(pInfo->m_vDropPosition, "ezPxStaticActorComponent", "CollisionMesh", GetAssetGuidString(pInfo),
pInfo->m_TargetObject, pInfo->m_iTargetObjectInsertChildIndex);
}
SelectCreatedObjects();
BeginTemporaryCommands();
}
void ezProceduralPlacementComponentDragDropHandler::OnDragBegin(const ezDragDropInfo* pInfo)
{
ezComponentDragDropHandler::OnDragBegin(pInfo);
if (pInfo->m_sTargetContext == "viewport")
CreateDropObject(pInfo->m_vDropPosition, "ezProceduralPlacementComponent", "Resource", GetAssetGuidString(pInfo), ezUuid(), -1);
else
CreateDropObject(pInfo->m_vDropPosition, "ezProceduralPlacementComponent", "Resource", GetAssetGuidString(pInfo), pInfo->m_TargetObject,
pInfo->m_iTargetObjectInsertChildIndex);
SelectCreatedObjects();
BeginTemporaryCommands();
}
