public void ApplyPatch(LiveLinkChangeSet changeSet)
{
var dstEntities = _DstWorld.EntityManager;
var sceneSystem = _DstWorld.GetExistingSystem<SceneSystem>();
Entity sectionEntity;
var sceneEntity = sceneSystem.GetSceneEntity(changeSet.SceneGUID);
//@TODO: Check if the scene or section is requested to be loaded
if (sceneEntity == Entity.Null)
{
Debug.LogWarning($"'{changeSet.SceneName}' ({{changeSet.sceneGUID}}) was ignored in live link since it is not loaded.");
return;
}
// Unload scene
if (changeSet.UnloadAllPreviousEntities)
{
//@Todo: Can we try to keep scene & section entities alive? (In case user put custom data on it)
sceneSystem.UnloadScene(sceneEntity, SceneSystem.UnloadParameters.DestroySectionProxyEntities | SceneSystem.UnloadParameters.DontRemoveRequestSceneLoaded);
// Create section
sectionEntity = dstEntities.CreateEntity();
dstEntities.AddComponentData(sectionEntity, new SceneSectionStreamingSystem.StreamingState { Status = SceneSectionStreamingSystem.StreamingStatus.Loaded});
dstEntities.AddComponentData(sectionEntity, new DisableSceneResolveAndLoad( ));
// Configure scene
dstEntities.AddComponentData(sceneEntity, new DisableSceneResolveAndLoad( ));
dstEntities.AddComponentData(sceneEntity, new LiveLinkedSceneState { Scene = changeSet.SceneGUID });
dstEntities.AddBuffer<ResolvedSectionEntity>(sceneEntity).Add(new ResolvedSectionEntity { SectionEntity = sectionEntity} );
#if UNITY_EDITOR
dstEntities.SetName(sectionEntity, "SceneSection (LiveLink): " + changeSet.SceneName);
dstEntities.SetName(sceneEntity, "Scene (LiveLink): " + changeSet.SceneName);
#endif
}
else
{
sectionEntity = dstEntities.GetBuffer<ResolvedSectionEntity>(sceneEntity)[0].SectionEntity;
}
// SceneTag.SceneEntity == Entity.Null is reserved for new entities added via live link.
if (_AddedScenesQuery.CalculateChunkCount() != 0)
{
Debug.LogWarning("SceneTag.SceneEntity must not reference Entity.Null. Destroying Entities.");
dstEntities.DestroyEntity(_AddedScenesQuery);
}
EntityPatcher.ApplyChangeSet(_DstWorld.EntityManager, changeSet.Changes);
//liveLink.ConvertedShadowWorld.EntityManager.Debug.CheckInternalConsistency();
dstEntities.SetSharedComponentData(_AddedScenesQuery, new SceneTag { SceneEntity = sectionEntity });
EditorUpdateUtility.EditModeQueuePlayerLoopUpdate();
}
protected override void OnUpdate()
{
var destroySubScenes = new NativeList <Entity>(Allocator.Temp);
var sceneDataFromEntity = GetComponentDataFromEntity <SceneSectionData>();
bool SceneSectionRequiresSynchronousLoading(Entity entity) =>
(EntityManager.GetComponentData <RequestSceneLoaded>(entity).LoadFlags & SceneLoadFlags.BlockOnStreamIn) != 0;
// Sections > 0 need the external references from sections 0 and will wait for it to be loaded.
// So we have to ensure sections 0 are loaded first, otherwise there's a risk of starving loading streams.
var priorityList = new NativeList <Entity>(Allocator.Temp);
using (var entities = m_PendingStreamRequests.ToEntityArray(Allocator.TempJob))
{
var priorities = new NativeArray <int>(entities.Length, Allocator.Temp);
for (int i = 0; i < entities.Length; ++i)
{
var entity = entities[i];
if (SceneSectionRequiresSynchronousLoading(entity))
{
priorities[i] = 0;
var operation = CreateAsyncLoadSceneOperation(m_SynchronousSceneLoadWorld.EntityManager, entity, true);
var result = UpdateLoadOperation(operation, m_SynchronousSceneLoadWorld, entity);
if (result == UpdateLoadOperationResult.Error)
{
m_SynchronousSceneLoadWorld.Dispose();
m_SynchronousSceneLoadWorld = new World("LoadingWorld (synchronous)");
}
Assert.AreNotEqual(UpdateLoadOperationResult.Aborted, result);
}
else if (sceneDataFromEntity[entity].SubSectionIndex == 0)
{
priorities[i] = 1;
}
else
{
priorities[i] = 2;
}
}
for (int priority = 1; priority <= 2; ++priority)
{
for (int i = 0; i < entities.Length; ++i)
{
if (priorityList.Length == LoadScenesPerFrame)
{
break;
}
if (priorities[i] == priority)
{
priorityList.Add(entities[i]);
}
}
}
}
var priorityArray = priorityList.AsArray();
foreach (var entity in priorityArray)
{
var streamIndex = CreateAsyncLoadScene(entity, false);
if (streamIndex != -1)
{
var streamingState = new StreamingState {
ActiveStreamIndex = streamIndex, Status = StreamingStatus.NotYetProcessed
};
EntityManager.AddComponentData(entity, streamingState);
}
}
Entities.With(m_UnloadStreamRequests).ForEach((Entity entity) =>
{
destroySubScenes.Add(entity);
});
foreach (var destroyScene in destroySubScenes.AsArray())
{
UnloadSectionImmediate(destroyScene);
}
if (ProcessActiveStreams())
{
EditorUpdateUtility.EditModeQueuePlayerLoopUpdate();
}
// Process unloading bundles
SceneBundleHandle.ProcessUnloadingBundles();
}
protected override void OnUpdate()
{
SceneWithBuildConfigurationGUIDs.ValidateBuildSettingsCache();
var sceneSystem = World.GetExistingSystem <SceneSystem>();
var buildConfigurationGUID = sceneSystem.BuildConfigurationGUID;
// Add scene entities that haven't been encountered yet
if (!m_AddScenes.IsEmptyIgnoreFilter)
{
//@TODO: Should use Entities.ForEach but we are missing
// 1. Entities.ForEach support with execute always (ILPP compilation not taking effect on first domain reload)
// 2. Entities.ForEach not supporting explicit queries
using (var addScenes = m_AddScenes.ToEntityArray(Allocator.TempJob))
{
var trackerStates = new NativeArray <AssetDependencyTrackerState>(addScenes.Length, Allocator.Temp);
for (int i = 0; i != addScenes.Length; i++)
{
var sceneEntity = addScenes[i];
var scene = EntityManager.GetComponentData <SceneReference>(sceneEntity);
var requestSceneLoaded = EntityManager.GetComponentData <RequestSceneLoaded>(sceneEntity);
var guid = SceneWithBuildConfigurationGUIDs.EnsureExistsFor(scene.SceneGUID,
buildConfigurationGUID, out var requireRefresh);
var async = (requestSceneLoaded.LoadFlags & SceneLoadFlags.BlockOnImport) == 0;
LogResolving(async ? "Adding Async" : "Adding Sync", guid);
_AssetDependencyTracker.Add(guid, sceneEntity, async);
if (requireRefresh)
{
_AssetDependencyTracker.RequestRefresh();
}
trackerStates[i] = new AssetDependencyTrackerState {
SceneAndBuildConfigGUID = guid
};
}
EntityManager.AddComponentData(m_AddScenes, trackerStates);
trackerStates.Dispose();
}
}
// Remove scene entities that were added and should no longer be tracked
if (!m_RemoveScenes.IsEmptyIgnoreFilter)
{
using (var removeEntities = m_RemoveScenes.ToEntityArray(Allocator.TempJob))
using (var removeGuids =
m_RemoveScenes.ToComponentDataArray <AssetDependencyTrackerState>(Allocator.TempJob))
{
for (int i = 0; i != removeEntities.Length; i++)
{
LogResolving("Removing", removeGuids[i].SceneAndBuildConfigGUID);
_AssetDependencyTracker.Remove(removeGuids[i].SceneAndBuildConfigGUID, removeEntities[i]);
}
}
EntityManager.RemoveComponent <AssetDependencyTrackerState>(m_RemoveScenes);
}
// Process any scenes that have completed their asset import
var isDone = _AssetDependencyTracker.GetCompleted(_Changed);
foreach (var change in _Changed)
{
var sceneEntity = change.UserKey;
LogResolving($"Resolving: {change.Asset} -> {change.ArtifactID}");
if (!m_ValidSceneMask.Matches(sceneEntity))
{
throw new InvalidOperationException("entity should have been removed from tracker already");
}
// Unload any previous state
var unloadFlags = SceneSystem.UnloadParameters.DestroySectionProxyEntities |
SceneSystem.UnloadParameters.DontRemoveRequestSceneLoaded;
sceneSystem.UnloadScene(sceneEntity, unloadFlags);
// Resolve new state
var scene = EntityManager.GetComponentData <SceneReference>(change.UserKey);
var request = EntityManager.GetComponentData <RequestSceneLoaded>(change.UserKey);
if (change.ArtifactID != default)
{
ResolveSceneSectionUtility.ResolveSceneSections(EntityManager, change.UserKey, scene.SceneGUID,
request, change.ArtifactID);
}
else
{
Debug.LogError(
$"Failed to import entity scene because the automatically generated SceneAndBuildConfigGUID asset was not present: '{AssetDatabaseCompatibility.GuidToPath(scene.SceneGUID)}' -> '{AssetDatabaseCompatibility.GuidToPath(change.Asset)}'");
}
}
if (!isDone)
{
EditorUpdateUtility.EditModeQueuePlayerLoopUpdate();
}
}
protected override void OnUpdate()
{
var destroySubScenes = new NativeList <Entity>(Allocator.Temp);
var sceneDataFromEntity = GetComponentDataFromEntity <SceneData>();
// Sections > 0 need the external references from sections 0 and will wait for it to be loaded.
// So we have to ensure sections 0 are loaded first, otherwise there's a risk of starving loading streams.
var priorityList = new NativeList <Entity>(Allocator.Temp);
using (var entities = m_PendingStreamRequests.ToEntityArray(Allocator.TempJob))
{
foreach (var entity in entities)
{
if (priorityList.Length == LoadScenesPerFrame)
{
break;
}
if (sceneDataFromEntity[entity].SubSectionIndex == 0)
{
priorityList.Add(entity);
}
}
foreach (var entity in entities)
{
if (priorityList.Length == LoadScenesPerFrame)
{
break;
}
if (sceneDataFromEntity[entity].SubSectionIndex > 0)
{
priorityList.Add(entity);
}
}
}
var priorityArray = priorityList.AsArray();
foreach (var entity in priorityArray)
{
var streamIndex = CreateAsyncLoadScene(entity);
if (streamIndex != -1)
{
var streamingState = new StreamingState {
ActiveStreamIndex = streamIndex, Status = StreamingStatus.NotYetProcessed
};
EntityManager.AddComponentData(entity, streamingState);
}
}
Entities.With(m_UnloadStreamRequests).ForEach((Entity entity) =>
{
destroySubScenes.Add(entity);
});
foreach (var destroyScene in destroySubScenes.AsArray())
{
UnloadSceneImmediate(destroyScene);
}
if (ProcessActiveStreams())
{
EditorUpdateUtility.EditModeQueuePlayerLoopUpdate();
}
}
public static void ApplyLiveLink(SubScene scene, World dstWorld, int sceneDirtyID, LiveLinkMode mode)
{
//Debug.Log("ApplyLiveLink: " + scene.SceneName);
#if ENABLE_UNITY_COLLECTIONS_CHECKS
if (mode == LiveLinkMode.Disabled)
{
throw new System.ArgumentException("LiveLinkMode must not be disabled");
}
#endif
// When switching mode, completely unload the previous scene
if (scene.LiveLinkData != null && (scene.LiveLinkData._LiveLinkMode == LiveLinkMode.ConvertWithoutDiff || mode == LiveLinkMode.ConvertWithoutDiff || scene.LiveLinkData.DestinationWorld != dstWorld))
{
scene.LiveLinkData.Dispose();
scene.LiveLinkData = null;
}
var unloadAllPreviousEntities = scene.LiveLinkData == null;
if (scene.LiveLinkData == null)
{
scene.LiveLinkData = new LiveLinkScene(dstWorld, mode);
}
var liveLink = scene.LiveLinkData;
var flags = GameObjectConversionUtility.ConversionFlags.AddEntityGUID | GameObjectConversionUtility.ConversionFlags.AssignName | GameObjectConversionUtility.ConversionFlags.GameViewLiveLink;
if (mode == LiveLinkMode.LiveConvertSceneView)
{
flags |= GameObjectConversionUtility.ConversionFlags.SceneViewLiveLink;
}
liveLink.Convert(scene.LoadedScene, scene.SceneGUID, flags);
var streamingSystem = dstWorld.GetExistingSystem <SubSceneStreamingSystem>();
var dstEntities = dstWorld.EntityManager;
// Unload scene
if (unloadAllPreviousEntities)
{
foreach (var s in scene._SceneEntities)
{
streamingSystem.UnloadSceneImmediate(s);
dstEntities.DestroyEntity(s);
}
var sceneEntity = dstEntities.CreateEntity();
dstEntities.SetName(sceneEntity, "Scene (LiveLink): " + scene.SceneName);
dstEntities.AddComponentObject(sceneEntity, scene);
dstEntities.AddComponentData(sceneEntity, new SubSceneStreamingSystem.StreamingState {
Status = SubSceneStreamingSystem.StreamingStatus.Loaded
});
dstEntities.AddComponentData(sceneEntity, new SubSceneStreamingSystem.IgnoreTag( ));
scene._SceneEntities = new List <Entity>();
scene._SceneEntities.Add(sceneEntity);
}
var convertedEntityManager = liveLink.ConvertedWorld.EntityManager;
var liveLinkSceneEntity = scene._SceneEntities[0];
/// We want to let the live linked scene be able to reference the already existing Scene Entity (Specifically SceneTag should point to the scene Entity after live link completes)
// Add Scene tag to all entities using the convertedSceneEntity that will map to the already existing scene entity.
using (var missingSceneQuery = convertedEntityManager.CreateEntityQuery(new EntityQueryDesc
{
None = new ComponentType[] { typeof(SceneTag) },
Options = EntityQueryOptions.IncludePrefab | EntityQueryOptions.IncludeDisabled
}))
{
convertedEntityManager.AddSharedComponentData(missingSceneQuery, new SceneTag {
SceneEntity = liveLinkSceneEntity
});
}
if (mode != LiveLinkMode.ConvertWithoutDiff)
{
var options = EntityManagerDifferOptions.IncludeForwardChangeSet |
EntityManagerDifferOptions.FastForwardShadowWorld |
EntityManagerDifferOptions.ValidateUniqueEntityGuid |
EntityManagerDifferOptions.ClearMissingReferences;
using (var changes = liveLink.LiveLinkDiffer.GetChanges(options, Allocator.TempJob))
{
liveLink.LiveLinkPatcher.ApplyChangeSet(changes.ForwardChangeSet);
}
}
else
{
dstWorld.EntityManager.MoveEntitiesFrom(liveLink.ConvertedWorld.EntityManager);
}
// convertedEntityManager.Debug.CheckInternalConsistency();
//liveLink.ConvertedShadowWorld.EntityManager.Debug.CheckInternalConsistency();
using (var missingRenderData = dstEntities.CreateEntityQuery(new EntityQueryDesc
{
All = new ComponentType[] { typeof(SceneTag) },
None = new ComponentType[] { typeof(EditorRenderData) },
Options = EntityQueryOptions.IncludePrefab | EntityQueryOptions.IncludeDisabled
}))
{
missingRenderData.SetFilter(new SceneTag {
SceneEntity = liveLinkSceneEntity
});
dstEntities.AddSharedComponentData(missingRenderData, new EditorRenderData()
{
SceneCullingMask = EditorRenderData.LiveLinkEditGameViewMask, PickableObject = scene.gameObject
});
}
liveLink.LiveLinkDirtyID = sceneDirtyID;
EditorUpdateUtility.EditModeQueuePlayerLoopUpdate();
}