void CCollider::updateParentRigidbody()
{
if (mIsTrigger)
{
setRigidbody(HRigidbody());
return;
}
HSceneObject currentSO = SO();
while (currentSO != nullptr)
{
HRigidbody parent = currentSO->getComponent<CRigidbody>();
if (parent != nullptr)
{
if(currentSO->getActive() && isValidParent(parent))
setRigidbody(parent);
else
setRigidbody(HRigidbody());
return;
}
currentSO = currentSO->getParent();
}
// Not found
setRigidbody(HRigidbody());
}
void CRigidbody::checkForNestedRigibody()
{
HSceneObject currentSO = SO()->getParent();
while(currentSO != nullptr)
{
if(currentSO->hasComponent<CRigidbody>())
{
LOGWRN("Nested Rigidbodies detected. This will result in inconsistent transformations. To parent one " \
"Rigidbody to another move its colliders to the new parent, but remove the Rigidbody component.");
return;
}
currentSO = currentSO->getParent();
}
}
void ScriptSerializedSceneObject::internal_Restore(ScriptSerializedSceneObject* thisPtr)
{
HSceneObject sceneObj = thisPtr->mSO;
if (sceneObj.isDestroyed())
return;
HSceneObject parent = sceneObj->getParent();
UINT32 numChildren = sceneObj->getNumChildren();
HSceneObject* children = nullptr;
if (!thisPtr->mRecordHierarchy)
{
children = bs_stack_new<HSceneObject>(numChildren);
for (UINT32 i = 0; i < numChildren; i++)
{
HSceneObject child = sceneObj->getChild(i);
children[i] = child;
child->setParent(HSceneObject());
}
}
sceneObj->destroy(true);
GameObjectManager::instance().setDeserializationMode(GODM_RestoreExternal | GODM_UseNewIds);
MemorySerializer serializer;
SPtr<SceneObject> restored = std::static_pointer_cast<SceneObject>(
serializer.decode(thisPtr->mSerializedObject, thisPtr->mSerializedObjectSize));
EditorUtility::restoreIds(restored->getHandle(), thisPtr->mSceneObjectProxy);
restored->setParent(parent);
if (!thisPtr->mRecordHierarchy)
{
for (UINT32 i = 0; i < numChildren; i++)
children[i]->setParent(restored->getHandle());
bs_stack_delete(children, numChildren);
}
restored->_instantiate();
}
void CBone::updateParentAnimation()
{
HSceneObject currentSO = SO();
while (currentSO != nullptr)
{
HAnimation parent = currentSO->getComponent<CAnimation>();
if (parent != nullptr)
{
if (currentSO->getActive())
_setParent(parent);
else
_setParent(HAnimation());
return;
}
currentSO = currentSO->getParent();
}
_setParent(HAnimation());
}
void PrefabUtility::revertToPrefab(const HSceneObject& so)
{
String prefabLinkUUID = so->getPrefabLink();
HPrefab prefabLink = static_resource_cast<Prefab>(gResources().loadFromUUID(prefabLinkUUID, false, false));
if (prefabLink == nullptr)
return;
// Save IDs, destroy original, create new, restore IDs
SceneObjectProxy soProxy;
UnorderedMap<UINT32, GameObjectInstanceDataPtr> linkedInstanceData;
recordInstanceData(so, soProxy, linkedInstanceData);
HSceneObject parent = so->getParent();
// This will destroy the object but keep it in the parent's child list
HSceneObject currentSO = so;
so->destroyInternal(currentSO, true);
HSceneObject newInstance = prefabLink->instantiate();
newInstance->mParent = parent;
restoreLinkedInstanceData(newInstance, soProxy, linkedInstanceData);
}
void PrefabUtility::updateFromPrefab(const HSceneObject& so)
{
HSceneObject topLevelObject = so;
while (topLevelObject != nullptr)
{
if (!topLevelObject->mPrefabLinkUUID.empty())
break;
if (topLevelObject->mParent != nullptr)
topLevelObject = topLevelObject->mParent;
else
topLevelObject = nullptr;
}
Stack<HSceneObject> todo;
todo.push(topLevelObject);
// Find any prefab instances
Vector<HSceneObject> prefabInstanceRoots;
while (!todo.empty())
{
HSceneObject current = todo.top();
todo.pop();
if (!current->mPrefabLinkUUID.empty())
prefabInstanceRoots.push_back(current);
UINT32 childCount = current->getNumChildren();
for (UINT32 i = 0; i < childCount; i++)
{
HSceneObject child = current->getChild(i);
todo.push(child);
}
}
// Stores data about the new prefab instance and its original parent and link id
// (as those aren't stored in the prefab diff)
struct RestoredPrefabInstance
{
HSceneObject newInstance;
HSceneObject originalParent;
SPtr<PrefabDiff> diff;
UINT32 originalLinkId;
};
Vector<RestoredPrefabInstance> newPrefabInstanceData;
// For each prefab instance load its reference prefab from the disk and check if it changed. If it has changed
// instantiate the prefab and destroy the current instance. Then apply instance specific changes stored in a
// prefab diff, if any, as well as restore the original parent and link id (link id of the root prefab instance
// belongs to the parent prefab if any). Finally fix any handles pointing to the old objects so that they now point
// to the newly instantiated objects. To the outside world it should be transparent that we just destroyed and then
// re-created from scratch the entire hierarchy.
// Need to do this bottom up to ensure I don't destroy the parents before children
for (auto iter = prefabInstanceRoots.rbegin(); iter != prefabInstanceRoots.rend(); ++iter)
{
HSceneObject current = *iter;
HPrefab prefabLink = static_resource_cast<Prefab>(gResources().loadFromUUID(current->mPrefabLinkUUID, false, false));
if (prefabLink.isLoaded(false) && prefabLink->getHash() != current->mPrefabHash)
{
// Save IDs, destroy original, create new, restore IDs
SceneObjectProxy soProxy;
UnorderedMap<UINT32, GameObjectInstanceDataPtr> linkedInstanceData;
recordInstanceData(current, soProxy, linkedInstanceData);
HSceneObject parent = current->getParent();
SPtr<PrefabDiff> prefabDiff = current->mPrefabDiff;
current->destroy(true);
HSceneObject newInstance = prefabLink->_clone();
// When restoring instance IDs it is important to make all the new handles point to the old GameObjectInstanceData.
// This is because old handles will have different GameObjectHandleData and we have no easy way of accessing it to
// change to which GameObjectInstanceData it points. But the GameObjectManager ensures that all handles deserialized
// at once (i.e. during the ::instantiate() call above) will share GameObjectHandleData so we can simply replace
// to what they point to, affecting all of the handles to that object. (In another words, we can modify the
// new handles at this point, but old ones must keep referencing what they already were.)
restoreLinkedInstanceData(newInstance, soProxy, linkedInstanceData);
restoreUnlinkedInstanceData(newInstance, soProxy);
newPrefabInstanceData.push_back({ newInstance, parent, prefabDiff, newInstance->getLinkId() });
}
}
// Once everything is instantiated, apply diffs, restore old parents & link IDs for root.
for (auto& entry : newPrefabInstanceData)
{
// Diffs must be applied after everything is instantiated and instance data restored since it may contain
// game object handles within or external to its prefab instance.
if (entry.diff != nullptr)
entry.diff->apply(entry.newInstance);
entry.newInstance->mPrefabDiff = entry.diff;
entry.newInstance->setParent(entry.originalParent, false);
entry.newInstance->mLinkId = entry.originalLinkId;
}
gResources().unloadAllUnused();
}
void CmdBreakPrefab::commit()
{
clear();
if (mSceneObject == nullptr || mSceneObject.isDestroyed())
return;
HSceneObject rootObj = mSceneObject;
while (rootObj != nullptr)
{
if (!rootObj->_getPrefabLinkUUID().empty())
break;
if (rootObj->getParent() != nullptr)
rootObj = rootObj->getParent();
else
rootObj = nullptr;
}
if (rootObj != nullptr)
{
mPrefabRoot = rootObj;
mPrefabLinkUUID = rootObj->_getPrefabLinkUUID();
mPrefabDiff = rootObj->_getPrefabDiff();
Stack<HSceneObject> todo;
todo.push(mPrefabRoot);
while (!todo.empty())
{
HSceneObject currentSO = todo.top();
todo.pop();
const Vector<HComponent>& components = currentSO->getComponents();
for (auto& component : components)
{
UINT32 linkId = component->getLinkId();
if (linkId != (UINT32)-1)
mLinkIds[component->getInstanceId()] = linkId;
mLinkIds[component->getInstanceId()] = component->getLinkId();
}
UINT32 numChildren = (UINT32)currentSO->getNumChildren();
for (UINT32 i = 0; i < numChildren; i++)
{
HSceneObject child = currentSO->getChild(i);
UINT32 linkId = child->getLinkId();
if (linkId != (UINT32)-1)
mLinkIds[child->getInstanceId()] = linkId;
if (child->_getPrefabLinkUUID().empty())
todo.push(child);
}
}
}
mSceneObject->breakPrefabLink();
}