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Fix missing references to a new prefab objects inside other prefab objects when applying changes

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This commit is contained in:
Wojtek Figat
2021-08-17 10:04:42 +02:00
parent eab9a2c0ac
commit 066c668f6f
1 changed files with 23 additions and 18 deletions
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41
Source/Engine/Level/Prefabs/Prefab.Apply.cpp
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@@ -849,9 +849,9 @@ bool Prefab::ApplyAllInternal(Actor* targetActor, bool linkTargetActorObjectToPr
}
}
// Deserialize prefab objects (apply modifications)
// Create prefab objects
auto& data = *Data;
sceneObjects->Resize(ObjectsCount);
sceneObjects->Resize(ObjectsCount + newPrefabInstanceIdToDataIndex.Count());
for (int32 i = 0; i < ObjectsCount; i++)
{
SceneObject* obj = SceneObjectsFactory::Spawn(data[i], modifier.Value);
@@ -864,6 +864,25 @@ bool Prefab::ApplyAllInternal(Actor* targetActor, bool linkTargetActorObjectToPr
}
obj->RegisterObject();
}
// Create new prefab objects
int32 newPrefabInstanceIdToDataIndexCounter = 0;
int32 newPrefabInstanceIdToDataIndexStart = ObjectsCount;
for (auto i = newPrefabInstanceIdToDataIndex.Begin(); i.IsNotEnd(); ++i)
{
const int32 dataIndex = i->Value;
SceneObject* obj = SceneObjectsFactory::Spawn(diffDataDocument[dataIndex], modifier.Value);
sceneObjects->At(newPrefabInstanceIdToDataIndexStart + newPrefabInstanceIdToDataIndexCounter++) = obj;
if (!obj)
{
// This should not happen but who knows
SceneObjectsFactory::HandleObjectDeserializationError(diffDataDocument[dataIndex]);
continue;
}
obj->RegisterObject();
}
// Deserialize prefab objects and apply modifications
for (int32 i = 0; i < ObjectsCount; i++)
{
SceneObject* obj = sceneObjects->At(i);
@@ -897,6 +916,7 @@ bool Prefab::ApplyAllInternal(Actor* targetActor, bool linkTargetActorObjectToPr
obj->DeleteObject();
obj->SetParent(nullptr);
sceneObjects->At(i) = nullptr;
}
}
for (int32 i = 0; i < sceneObjects->Count(); i++)
@@ -906,22 +926,6 @@ bool Prefab::ApplyAllInternal(Actor* targetActor, bool linkTargetActorObjectToPr
}
// Deserialize new prefab objects
int32 newPrefabInstanceIdToDataIndexCounter = 0;
int32 newPrefabInstanceIdToDataIndexStart = sceneObjects->Count();
sceneObjects->Resize(sceneObjects->Count() + newPrefabInstanceIdToDataIndex.Count());
for (auto i = newPrefabInstanceIdToDataIndex.Begin(); i.IsNotEnd(); ++i)
{
const int32 dataIndex = i->Value;
SceneObject* obj = SceneObjectsFactory::Spawn(diffDataDocument[dataIndex], modifier.Value);
sceneObjects->At(newPrefabInstanceIdToDataIndexStart + newPrefabInstanceIdToDataIndexCounter++) = obj;
if (!obj)
{
// This should not happen but who knows
SceneObjectsFactory::HandleObjectDeserializationError(diffDataDocument[dataIndex]);
continue;
}
obj->RegisterObject();
}
newPrefabInstanceIdToDataIndexCounter = 0;
for (auto i = newPrefabInstanceIdToDataIndex.Begin(); i.IsNotEnd(); ++i)
{
@@ -950,6 +954,7 @@ bool Prefab::ApplyAllInternal(Actor* targetActor, bool linkTargetActorObjectToPr
}
}
}
Scripting::ObjectsLookupIdMapping.Set(nullptr);
if (sceneObjects.Value->IsEmpty())
{