void CalculatePrefabStatus()
{
m_PlayModeObjects = false;
m_IsAsset = false;
m_ImmutableSelf = false;
m_ImmutableSourceAsset = false;
m_IsDisconnected = false;
m_IsMissing = false;
m_IsPrefabInstanceAnyRoot = true;
m_IsPrefabInstanceOutermostRoot = true;
m_AllOfSamePrefabType = true;
PrefabAssetType firstType = PrefabUtility.GetPrefabAssetType(targets[0]);
PrefabInstanceStatus firstStatus = PrefabUtility.GetPrefabInstanceStatus(targets[0]);
foreach (var o in targets)
{
var go = (GameObject)o;
PrefabAssetType type = PrefabUtility.GetPrefabAssetType(go);
PrefabInstanceStatus status = PrefabUtility.GetPrefabInstanceStatus(go);
if (type != firstType || status != firstStatus)
{
m_AllOfSamePrefabType = false;
}
if (Application.IsPlaying(go))
{
m_PlayModeObjects = true;
}
if (!PrefabUtility.IsAnyPrefabInstanceRoot(go))
{
m_IsPrefabInstanceAnyRoot = false; // Conservative is false if any is false
}
if (!m_IsPrefabInstanceAnyRoot || !PrefabUtility.IsOutermostPrefabInstanceRoot(go))
{
m_IsPrefabInstanceOutermostRoot = false; // Conservative is false if any is false
}
if (PrefabUtility.IsPartOfPrefabAsset(go))
{
m_IsAsset = true; // Conservative is true if any is true
}
if (m_IsAsset && PrefabUtility.IsPartOfImmutablePrefab(go))
{
m_ImmutableSelf = true; // Conservative is true if any is true
}
GameObject originalSourceOrVariant = PrefabUtility.GetOriginalSourceOrVariantRoot(go);
if (originalSourceOrVariant != null && PrefabUtility.IsPartOfImmutablePrefab(originalSourceOrVariant))
{
m_ImmutableSourceAsset = true; // Conservative is true if any is true
}
if (PrefabUtility.IsDisconnectedFromPrefabAsset(go))
{
m_IsDisconnected = true;
}
if (PrefabUtility.IsPrefabAssetMissing(go))
{
m_IsMissing = true;
}
}
}
private bool CheckIfChild(Object subEmitter)
{
ParticleSystem root = ParticleSystemEditorUtils.GetRoot(m_ParticleSystemUI.m_ParticleSystems[0]);
ParticleSystem ps = subEmitter as ParticleSystem;
if (IsChild(ps, root))
{
return(true);
}
if (PrefabUtility.IsPartOfAnyPrefab(ps.gameObject) && !PrefabUtility.IsAnyPrefabInstanceRoot(ps.gameObject))
{
string kPrefabReparentWarn = $"The assigned sub emitter is not part of the current effect because it is not a child of the current root Particle System GameObject: '{root.gameObject.name}'. The Particle System cannot be moved because it is a child of a Prefab instance.";
EditorUtility.WarnPrefab(ps.gameObject, "Reparent GameObjects", kPrefabReparentWarn, "OK");
return(false);
}
string kReparentText = string.Format("The assigned sub emitter is not a child of the current root particle system GameObject: '{0}' and is therefore NOT considered a part of the current effect. Do you want to reparent it?", root.gameObject.name);
if (EditorUtility.DisplayDialog(
"Reparent GameObjects",
kReparentText,
"Yes, Reparent",
"No, Remove"))
{
if (EditorUtility.IsPersistent(subEmitter))
{
var newGo = Object.Instantiate(subEmitter) as GameObject;
if (newGo != null)
{
newGo.transform.parent = m_ParticleSystemUI.m_ParticleSystems[0].transform;
newGo.transform.localPosition = Vector3.zero;
newGo.transform.localRotation = Quaternion.identity;
}
}
else
{
if (ps != null)
{
Undo.SetTransformParent(ps.gameObject.transform.transform, m_ParticleSystemUI.m_ParticleSystems[0].transform, "Reparent sub emitter");
}
}
return(true);
}
else if (ps != null)
{
// Clear sub-emitters that have been deselected, to avoid having their particles left paused in the Scene View (case 946999)
ps.Clear(true);
}
return(false);
}
void SetPrefabModeButtonVisibility(GameObjectTreeViewItem item)
{
item.showPrefabModeButton = false;
GameObject go = item.objectPPTR as GameObject;
if (go == null)
{
return;
}
if (!PrefabUtility.IsPartOfAnyPrefab(go))
{
return;
}
if (!PrefabUtility.IsAnyPrefabInstanceRoot(go))
{
return;
}
// Don't show button if prefab asset is missing
if (PrefabUtility.GetPrefabInstanceStatus(go) == PrefabInstanceStatus.Connected)
{
var source = PrefabUtility.GetOriginalSourceOrVariantRoot(go);
if (source == null)
{
return;
}
// Don't show buttons for model prefabs but allow buttons for other immutables
if (PrefabUtility.IsPartOfModelPrefab(source))
{
return;
}
}
else if (PrefabUtility.GetPrefabInstanceHandle(go) == null)
{
return;
}
else
{
var assetPath = PrefabUtility.GetAssetPathOfSourcePrefab(go);
var broken = AssetDatabase.LoadMainAssetAtPath(assetPath) as BrokenPrefabAsset;
if (broken == null || !broken.isPrefabFileValid)
{
return;
}
}
item.showPrefabModeButton = true;
}
void AddParentsBelowButIgnoreNestedPrefabsRecursive(Transform transform, List <int> gameObjectInstanceIDs)
{
gameObjectInstanceIDs.Add(transform.gameObject.GetInstanceID());
int count = transform.childCount;
for (int i = 0; i < count; ++i)
{
var child = transform.GetChild(i);
if (child.childCount > 0 && !PrefabUtility.IsAnyPrefabInstanceRoot(child.gameObject))
{
AddParentsBelowButIgnoreNestedPrefabsRecursive(child, gameObjectInstanceIDs);
}
}
}
void SetPrefabModeButtonVisibility(GameObjectTreeViewItem item)
{
item.showPrefabModeButton = false;
GameObject go = item.objectPPTR as GameObject;
if (go == null)
{
return;
}
if (!PrefabUtility.IsPartOfAnyPrefab(go))
{
return;
}
if (!PrefabUtility.IsAnyPrefabInstanceRoot(go))
{
return;
}
// Don't show button for disconnected prefab instances and if prefab asset is missing
if (PrefabUtility.GetPrefabInstanceStatus(go) != PrefabInstanceStatus.Connected)
{
return;
}
var source = PrefabUtility.GetOriginalSourceOrVariantRoot(go);
if (source == null)
{
return;
}
// Don't show buttons for model prefabs but allow buttons for other immutables
if (PrefabUtility.IsPartOfModelPrefab(source))
{
return;
}
item.showPrefabModeButton = true;
}
void CalculatePrefabStatus()
{
m_IsPrefabInstanceAnyRoot = false;
m_IsAsset = false;
m_AllOfSamePrefabType = true;
PrefabAssetType firstType = PrefabUtility.GetPrefabAssetType(targets[0]);
PrefabInstanceStatus firstStatus = PrefabUtility.GetPrefabInstanceStatus(targets[0]);
foreach (GameObject go in targets)
{
PrefabAssetType type = PrefabUtility.GetPrefabAssetType(go);
PrefabInstanceStatus status = PrefabUtility.GetPrefabInstanceStatus(go);
if (type != firstType || status != firstStatus)
{
m_AllOfSamePrefabType = false;
}
if (PrefabUtility.IsAnyPrefabInstanceRoot(go))
{
m_IsPrefabInstanceAnyRoot = true;
}
if (m_IsPrefabInstanceAnyRoot)
{
m_IsPrefabInstanceOutermostRoot = PrefabUtility.IsOutermostPrefabInstanceRoot(go);
}
if (PrefabUtility.IsPartOfPrefabAsset(go))
{
m_IsAsset = true;
}
if (m_IsAsset && PrefabUtility.IsPartOfImmutablePrefab(go))
{
m_ImmutableSelf = true;
}
GameObject originalSourceOrVariant = PrefabUtility.GetOriginalSourceOrVariantRoot(go);
if (originalSourceOrVariant != null && PrefabUtility.IsPartOfImmutablePrefab(originalSourceOrVariant))
{
m_ImmutableSourceAsset = true;
}
}
}
void SetPrefabModeButtonVisibility(GameObjectTreeViewItem item)
{
item.showPrefabModeButton = false;
GameObject go = item.objectPPTR as GameObject;
if (go == null)
{
return;
}
if (!PrefabUtility.IsPartOfAnyPrefab(go))
{
return;
}
if (!PrefabUtility.IsAnyPrefabInstanceRoot(go))
{
return;
}
// Don't show button for disconnected prefab instances and if prefab asset is missing
if (PrefabUtility.GetPrefabInstanceStatus(go) != PrefabInstanceStatus.Connected)
{
return;
}
// We can't simply check if the go is part of an immutable prefab, since that would check the asset of the
// outermost prefab this go is part of. Instead we have to check original source or variant root
// - the same one that would get opened if clicking the arrow.
var source = PrefabUtility.GetOriginalSourceOrVariantRoot(go);
if (source == null || PrefabUtility.IsPartOfImmutablePrefab(source))
{
return;
}
item.showPrefabModeButton = true;
}