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Add helper function to update entity aliases in link patch

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main
chiyteng 5 years ago
parent 984db9c1b4
commit de4cfdb5d7
2 changed files with 45 additions and 29 deletions
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67
Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabPublicHandler.cpp
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@ -189,24 +189,7 @@ namespace AzToolsFramework
if (nestedInstanceLinkPatchesMap.contains(nestedInstance.get()))
{
previousPatch = AZStd::move(nestedInstanceLinkPatchesMap[nestedInstance.get()]);
rapidjson::StringBuffer buffer;
rapidjson::Writer<rapidjson::StringBuffer> writer(buffer);
previousPatch.Accept(writer);
QString previousPatchString(buffer.GetString());
for (AZ::Entity* entity : entities)
{
AZ::EntityId entityId = entity->GetId();
AZStd::string oldEntityAlias = oldEntityAliases[entityId];
EntityAliasOptionalReference newEntityAlias = instanceToCreate->get().GetEntityAlias(entityId);
AZ_Assert(
newEntityAlias.has_value(),
"Could not fetch entity alias for entity with id '%llu' during prefab creation.",
static_cast<AZ::u64>(entityId));
ReplaceOldAliases(previousPatchString, oldEntityAlias, newEntityAlias->get());
}
previousPatch.Parse(previousPatchString.toUtf8().constData());
UpdateLinkPatchForNewParent(previousPatch, oldEntityAliases, instanceToCreate->get());
}
// These link creations shouldn't be undone because that would put the template in a non-usable state if a user
@ -1015,17 +998,20 @@ namespace AzToolsFramework
ScopedUndoBatch undoBatch("Detach Prefab");
InstanceOptionalReference parentInstance = owningInstance->get().GetParentInstance();
const auto parentTemplateId = parentInstance->get().GetTemplateId();
InstanceOptionalReference getParentInstanceResult = owningInstance->get().GetParentInstance();
AZ_Assert(getParentInstanceResult.has_value(), "Can't get parent Instance from Instance of given container entity.");
auto& parentInstance = getParentInstanceResult->get();
const auto parentTemplateId = parentInstance.GetTemplateId();
{
auto instancePtr = parentInstance->get().DetachNestedInstance(owningInstance->get().GetInstanceAlias());
auto instancePtr = parentInstance.DetachNestedInstance(owningInstance->get().GetInstanceAlias());
AZ_Assert(instancePtr, "Can't detach selected Instance from its parent Instance.");
RemoveLink(instancePtr, parentTemplateId, undoBatch.GetUndoBatch());
Prefab::PrefabDom instanceDomBefore;
m_instanceToTemplateInterface->GenerateDomForInstance(instanceDomBefore, parentInstance->get());
m_instanceToTemplateInterface->GenerateDomForInstance(instanceDomBefore, parentInstance);
AZStd::unordered_map<AZ::EntityId, AZStd::string> oldEntityAliases;
oldEntityAliases.emplace(entityId, instancePtr->GetEntityAlias(entityId)->get());
@ -1039,7 +1025,7 @@ namespace AzToolsFramework
delete editorPrefabComponent;
containerEntity.Activate();
const bool containerEntityAdded = parentInstance->get().AddEntity(containerEntity);
const bool containerEntityAdded = parentInstance.AddEntity(containerEntity);
AZ_Assert(containerEntityAdded, "Add target Instance's container entity to its parent Instance failed.");
EntityIdList entityIds;
@ -1056,14 +1042,14 @@ namespace AzToolsFramework
[&](AZStd::unique_ptr<AZ::Entity> entityPtr)
{
auto& entity = *entityPtr.release();
const bool entityAdded = parentInstance->get().AddEntity(entity);
const bool entityAdded = parentInstance.AddEntity(entity);
AZ_Assert(entityAdded, "Add target Instance's entity to its parent Instance failed.");
entityIds.emplace_back(entity.GetId());
});
Prefab::PrefabDom instanceDomAfter;
m_instanceToTemplateInterface->GenerateDomForInstance(instanceDomAfter, parentInstance->get());
m_instanceToTemplateInterface->GenerateDomForInstance(instanceDomAfter, parentInstance);
PrefabUndoInstance* command = aznew PrefabUndoInstance("Instance detachment");
command->Capture(instanceDomBefore, instanceDomAfter, parentTemplateId);
@ -1074,7 +1060,7 @@ namespace AzToolsFramework
}
const auto instanceTemplateId = instancePtr->GetTemplateId();
auto parentContainerEntityId = parentInstance->get().GetContainerEntityId();
auto parentContainerEntityId = parentInstance.GetContainerEntityId();
instancePtr->GetNestedInstances(
[&](AZStd::unique_ptr<Instance>& nestedInstancePtr)
{
@ -1089,8 +1075,8 @@ namespace AzToolsFramework
linkPatchesCopy.CopyFrom(linkPatches->get(), linkPatchesCopy.GetAllocator());
RemoveLink(nestedInstancePtr, instanceTemplateId, undoBatch.GetUndoBatch());
PrefabDomUtils::PrintPrefabDomValue("linkPatchesCopy", linkPatchesCopy);
UpdateLinkPatchForNewParent(linkPatchesCopy, oldEntityAliases, parentInstance);
//update aliases
rapidjson::StringBuffer buffer;
rapidjson::Writer<rapidjson::StringBuffer> writer(buffer);
@ -1100,7 +1086,7 @@ namespace AzToolsFramework
for (AZ::EntityId entityId : entityIds)
{
AZStd::string oldEntityAlias = oldEntityAliases[entityId];
EntityAliasOptionalReference newEntityAlias = parentInstance->get().GetEntityAlias(entityId);
EntityAliasOptionalReference newEntityAlias = parentInstance.GetEntityAlias(entityId);
AZ_Assert(
newEntityAlias.has_value(),
"Could not fetch entity alias for entity with id '%llu' during prefab creation.",
@ -1385,5 +1371,30 @@ namespace AzToolsFramework
stringToReplace.replace(oldAliasPathRef, newAliasPathRef);
}
void PrefabPublicHandler::UpdateLinkPatchForNewParent(
PrefabDom& linkPatch,
const AZStd::unordered_map<AZ::EntityId, AZStd::string>& oldEntityAliases,
Instance& newParent)
{
rapidjson::StringBuffer buffer;
rapidjson::Writer<rapidjson::StringBuffer> writer(buffer);
linkPatch.Accept(writer);
QString previousPatchString(buffer.GetString());
for (const auto& [entityId, oldEntityAlias] : oldEntityAliases)
{
EntityAliasOptionalReference newEntityAlias = newParent.GetEntityAlias(entityId);
AZ_Assert(
newEntityAlias.has_value(),
"Could not fetch entity alias for entity with id '%llu' during prefab creation.",
static_cast<AZ::u64>(entityId));
ReplaceOldAliases(previousPatchString, oldEntityAlias, newEntityAlias->get());
}
linkPatch.Parse(previousPatchString.toUtf8().constData());
}
} // namespace Prefab
} // namespace AzToolsFramework

7
Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabPublicHandler.h
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@ -134,7 +134,12 @@ namespace AzToolsFramework
bool IsCyclicalDependencyFound(
InstanceOptionalConstReference instance, const AZStd::unordered_set<AZ::IO::Path>& templateSourcePaths);
void ReplaceOldAliases(QString& stringToReplace, AZStd::string_view oldAlias, AZStd::string_view newAlias);
static void UpdateLinkPatchForNewParent(
PrefabDom& linkPatch,
const AZStd::unordered_map<AZ::EntityId, AZStd::string>& oldEntityAliases,
Instance& newParent);
static void ReplaceOldAliases(QString& stringToReplace, AZStd::string_view oldAlias, AZStd::string_view newAlias);
static Instance* GetParentInstance(Instance* instance);
static Instance* GetAncestorOfInstanceThatIsChildOfRoot(const Instance* ancestor, Instance* descendant);

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