internal static InstantiationResult Instantiate(SceneTemplateAsset sceneTemplate, bool loadAdditively, string newSceneOutputPath, SceneTemplateAnalytics.SceneInstantiationType instantiationType)
{
if (!sceneTemplate.isValid)
{
throw new Exception("templateScene is empty");
}
if (EditorApplication.isUpdating)
{
Debug.LogFormat(LogType.Warning, LogOption.None, null, "Cannot instantiate a new scene while updating the editor is disallowed.");
return(null);
}
// If we are loading additively, we cannot add a new Untitled scene if another unsaved Untitled scene is already opened
if (loadAdditively && SceneTemplateUtils.HasSceneUntitled())
{
Debug.LogFormat(LogType.Warning, LogOption.None, null, "Cannot instantiate a new scene additively while an unsaved Untitled scene already exists.");
return(null);
}
var sourceScenePath = AssetDatabase.GetAssetPath(sceneTemplate.templateScene);
if (String.IsNullOrEmpty(sourceScenePath))
{
throw new Exception("Cannot find path for sceneTemplate: " + sceneTemplate.ToString());
}
if (!Application.isBatchMode && !loadAdditively && !EditorSceneManager.SaveCurrentModifiedScenesIfUserWantsTo())
{
return(null);
}
var instantiateEvent = new SceneTemplateAnalytics.SceneInstantiationEvent(sceneTemplate, instantiationType)
{
additive = loadAdditively
};
sceneTemplate.UpdateDependencies();
var hasAnyCloneableDependencies = sceneTemplate.hasCloneableDependencies;
SceneAsset newSceneAsset = null;
Scene newScene;
var templatePipeline = sceneTemplate.CreatePipeline();
if (!InstantiateInMemoryScene(sceneTemplate, sourceScenePath, ref newSceneOutputPath, out var rootFolder, out var isTempMemory))
{
instantiateEvent.isCancelled = true;
SceneTemplateAnalytics.SendSceneInstantiationEvent(instantiateEvent);
return(null);
}
templatePipeline?.BeforeTemplateInstantiation(sceneTemplate, loadAdditively, isTempMemory ? null : newSceneOutputPath);
newSceneTemplateInstantiating?.Invoke(sceneTemplate, isTempMemory ? null : newSceneOutputPath, loadAdditively);
newSceneAsset = AssetDatabase.LoadAssetAtPath <SceneAsset>(newSceneOutputPath);
var refPathMap = new Dictionary <string, string>();
var idMap = new Dictionary <int, int>();
if (hasAnyCloneableDependencies)
{
var clonedAssets = CopyCloneableDependencies(sceneTemplate, newSceneOutputPath, ref refPathMap);
idMap.Add(sceneTemplate.templateScene.GetInstanceID(), newSceneAsset.GetInstanceID());
ReferenceUtils.RemapAssetReferences(refPathMap, idMap);
foreach (var clone in clonedAssets)
{
if (clone)
{
EditorUtility.SetDirty(clone);
}
}
AssetDatabase.SaveAssets();
}
newScene = EditorSceneManager.OpenScene(newSceneOutputPath, loadAdditively ? OpenSceneMode.Additive : OpenSceneMode.Single);
if (hasAnyCloneableDependencies)
{
EditorSceneManager.RemapAssetReferencesInScene(newScene, refPathMap, idMap);
}
EditorSceneManager.SaveScene(newScene, newSceneOutputPath);
if (isTempMemory)
{
newSceneAsset = null;
newScene.SetPathAndGuid("", newScene.guid);
s_CurrentInMemorySceneState.guid = newScene.guid;
s_CurrentInMemorySceneState.rootFolder = rootFolder;
s_CurrentInMemorySceneState.hasCloneableDependencies = hasAnyCloneableDependencies;
s_CurrentInMemorySceneState.dependencyFolderName = Path.GetFileNameWithoutExtension(newSceneOutputPath);
}
SceneTemplateAnalytics.SendSceneInstantiationEvent(instantiateEvent);
templatePipeline?.AfterTemplateInstantiation(sceneTemplate, newScene, loadAdditively, newSceneOutputPath);
newSceneTemplateInstantiated?.Invoke(sceneTemplate, newScene, newSceneAsset, loadAdditively);
SceneTemplateUtils.SetLastFolder(newSceneOutputPath);
return(new InstantiationResult(newScene, newSceneAsset));
}