private static unsafe void WriteEntitySceneWithBuildConfig(Hash128 guid, SceneWithBuildConfigurationGUIDs sceneWithBuildConfigurationGUIDs, string path)
{
var previousPath = AssetDatabaseCompatibility.GuidToPath(guid);
if (!string.IsNullOrEmpty(previousPath) && previousPath != path)
{
UnityEngine.Debug.LogError($"EntitySceneWithBuildConfig guid is not unique {guid}. ScenePath: '{AssetDatabaseCompatibility.GuidToPath(sceneWithBuildConfigurationGUIDs.SceneGUID)}' Conflicting GUID: '{previousPath}'");
}
Directory.CreateDirectory(k_SceneDependencyCachePath);
using (var writer = new StreamBinaryWriter(path))
{
writer.WriteBytes(&sceneWithBuildConfigurationGUIDs, sizeof(SceneWithBuildConfigurationGUIDs));
}
File.WriteAllText(path + ".meta",
$"fileFormatVersion: 2\nguid: {guid}\nDefaultImporter:\n externalObjects: {{}}\n userData:\n assetBundleName:\n assetBundleVariant:\n");
}
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(
$"Failed to import entity scene because the automatically generated SceneAndBuildConfigGUID asset was not present: '{AssetDatabaseCompatibility.GuidToPath(scene.SceneGUID)}' -> '{AssetDatabaseCompatibility.GuidToPath(change.Asset)}'");
}
}
if (!isDone)
{
EditorUpdateUtility.EditModeQueuePlayerLoopUpdate();
}
}
public unsafe static bool ResolveSceneSections(EntityManager EntityManager, Entity sceneEntity, Hash128 sceneGUID, RequestSceneLoaded requestSceneLoaded, Hash128 artifactHash)
{
// Resolve first (Even if the file doesn't exist we want to stop continously trying to load the section)
var bufLen = EntityManager.AddBuffer <ResolvedSectionEntity>(sceneEntity).Length;
Assert.AreEqual(0, bufLen);
var sceneHeaderPath = "";
#if UNITY_EDITOR
string[] paths = null;
#endif
bool useStreamingAssetPath = true;
#if !UNITY_DOTSRUNTIME
useStreamingAssetPath = SceneBundleHandle.UseAssetBundles;
#endif
if (useStreamingAssetPath)
{
sceneHeaderPath = EntityScenesPaths.GetLoadPath(sceneGUID, EntityScenesPaths.PathType.EntitiesHeader, -1);
}
else
{
#if UNITY_EDITOR
AssetDatabaseCompatibility.GetArtifactPaths(artifactHash, out paths);
sceneHeaderPath = EntityScenesPaths.GetLoadPathFromArtifactPaths(paths, EntityScenesPaths.PathType.EntitiesHeader);
#endif
}
EntityManager.AddComponentData(sceneEntity, new ResolvedSceneHash {
ArtifactHash = artifactHash
});
var group = EntityManager.AddBuffer <LinkedEntityGroup>(sceneEntity);
Assert.AreEqual(0, group.Length);
group.Add(sceneEntity);
// @TODO: AsyncReadManager currently crashes with empty path.
// It should be possible to remove this after that is fixed.
if (String.IsNullOrEmpty(sceneHeaderPath))
{
#if UNITY_EDITOR
var scenePath = AssetDatabaseCompatibility.GuidToPath(sceneGUID);
var logPath = System.IO.Path.GetFullPath(System.IO.Path.Combine(UnityEngine.Application.dataPath, "../Logs"));
Debug.LogError($"Loading Entity Scene failed because the entity header file couldn't be resolved. This might be caused by a failed import of the entity scene. Please take a look at the SubScene MonoBehaviour that references this scene or at the asset import worker log in {logPath}. scenePath={scenePath} guid={sceneGUID}");
#else
Debug.LogError($"Loading Entity Scene failed because the entity header file couldn't be resolved: guid={sceneGUID}.");
#endif
return(false);
}
#if !UNITY_DOTSRUNTIME
if (!BlobAssetReference <SceneMetaData> .TryRead(sceneHeaderPath, SceneMetaDataSerializeUtility.CurrentFileFormatVersion, out var sceneMetaDataRef))
{
#if UNITY_EDITOR
Debug.LogError($"Loading Entity Scene failed because the entity header file was an old version or doesn't exist: guid={sceneGUID} path={sceneHeaderPath}");
#else
Debug.LogError($"Loading Entity Scene failed because the entity header file was an old version or doesn't exist: {sceneGUID}\nNOTE: In order to load SubScenes in the player you have to use the new BuildConfiguration asset based workflow to build & run your player.\n{sceneHeaderPath}");
#endif
return(false);
}
#else
Assert.IsTrue(EntityManager.HasComponent <RequestSceneHeader>(sceneEntity), "You may only resolve a scene if the entity has a RequestSceneHeader component");
Assert.IsTrue(EntityManager.HasComponent <SceneMetaDataLoaded>(sceneEntity), "You may only resolve a scene if the entity has a SceneMetaDataLoaded component");
var sceneMetaDataLoaded = EntityManager.GetComponentData <SceneMetaDataLoaded>(sceneEntity);
if (!sceneMetaDataLoaded.Success)
{
return(false);
}
var requestSceneHeader = EntityManager.GetComponentData <RequestSceneHeader>(sceneEntity);
var sceneMetaDataRef = default(BlobAssetReference <SceneMetaData>);
var asyncOp = new AsyncOp()
{
m_Handle = requestSceneHeader.IOHandle
};
using (asyncOp)
{
unsafe
{
asyncOp.GetData(out var sceneData, out var sceneDataSize);
if (!BlobAssetReference <SceneMetaData> .TryRead(sceneData, SceneMetaDataSerializeUtility.CurrentFileFormatVersion, out sceneMetaDataRef))
{
Debug.LogError($"Loading Entity Scene failed because the entity header file was an old version or doesn't exist: {sceneGUID}\nNOTE: In order to load SubScenes in the player you have to use the new BuildConfiguration asset based workflow to build & run your player.\n{sceneHeaderPath}");
return(false);
}
}
}
#endif
ref var sceneMetaData = ref sceneMetaDataRef.Value;
