private void FinalizeImport(AlembicStream stream, GameObject newGo, AlembicStreamDescriptor streamDescr)
{
if (m_GeneratePrefab)
{
var prefabPath = "Assets/" + newGo.name + ".prefab";
var prefab = PrefabUtility.CreatePrefab(prefabPath, newGo);
AssetDatabase.SaveAssets();
if (m_ImportMode > AlembicImportMode.NoSupportForStreaming)
{
AssetDatabase.AddObjectToAsset(streamDescr, prefabPath);
AssetDatabase.SaveAssets();
if (m_ImportMode == AlembicImportMode.AutomaticStreamingSetup)
{
var streamDescrAsset =
AssetDatabase.LoadAssetAtPath(prefabPath, typeof(AlembicStreamDescriptor)) as AlembicStreamDescriptor;
var player = prefab.GetComponent <AlembicStreamPlayer>();
player.m_StreamDescriptor = streamDescrAsset;
}
}
AssetDatabase.SaveAssets();
SetDefaultMaterial(prefab, prefab.transform);
AssetDatabase.SaveAssets();
}
}
private void GenerateSubAssets(AssetImportContext ctx, AlembicTreeNode root, AlembicStreamDescriptor streamDescr)
{
var material = new Material(Shader.Find("Standard"));
AddObjectToAsset(ctx, "Default Material", material);
if (streamDescr.Duration > 0)
{
Keyframe[] frames = new Keyframe[2];
frames[0].value = 0.0f;
frames[0].time = 0.0f;
frames[0].tangentMode = (int)AnimationUtility.TangentMode.Linear;
frames[0].outTangent = 1.0f;
frames[1].value = streamDescr.Duration;
frames[1].time = streamDescr.Duration;
frames[1].tangentMode = (int)AnimationUtility.TangentMode.Linear;
frames[1].inTangent = 1.0f;
AnimationCurve curve = new AnimationCurve(frames);
var animationClip = new AnimationClip();
animationClip.SetCurve("", typeof(AlembicStreamPlayer), "currentTime", curve);
animationClip.name = root.linkedGameObj.name + "_Clip";
AddObjectToAsset(ctx, "Default Animation", animationClip);
}
varyingTopologyMeshNames = new List <string>();
splittingMeshNames = new List <string>();
CollectSubAssets(ctx, root, material);
streamDescr.hasVaryingTopology = varyingTopologyMeshNames.Count > 0;
}
private void GenerateSubAssets(Subassets subassets, AlembicTreeNode root, AlembicStreamDescriptor streamDescr)
{
if (streamDescr.duration > 0)
{
var frames = new Keyframe[2];
frames[0].value = 0.0f;
frames[0].time = 0.0f;
frames[0].outTangent = 1.0f;
frames[1].value = (float)streamDescr.duration;
frames[1].time = (float)streamDescr.duration;
frames[1].inTangent = 1.0f;
var curve = new AnimationCurve(frames);
AnimationUtility.SetKeyLeftTangentMode(curve, 0, AnimationUtility.TangentMode.Linear);
AnimationUtility.SetKeyRightTangentMode(curve, 1, AnimationUtility.TangentMode.Linear);
var animationClip = new AnimationClip();
animationClip.SetCurve("", typeof(AlembicStreamPlayer), "currentTime", curve);
animationClip.name = root.gameObject.name + "_Clip";
animationClip.hideFlags = HideFlags.NotEditable;
subassets.Add("Default Animation", animationClip);
}
varyingTopologyMeshNames = new List <string>();
splittingMeshNames = new List <string>();
CollectSubAssets(subassets, root);
streamDescr.hasVaryingTopology = varyingTopologyMeshNames.Count > 0;
}
internal static GameObject Import(AlembicImportMode importMode, AlembicImportSettings importSettings, AlembicDiagnosticSettings diagSettings, Action <AlembicStream, GameObject, AlembicStreamDescriptor> customAction)
{
var fileName = System.IO.Path.GetFileNameWithoutExtension(importSettings.m_pathToAbc);
var go = new GameObject(fileName);
using (var abcStream = new AlembicStream(go, importSettings, new AlembicPlaybackSettings(), diagSettings))
{
abcStream.AbcLoad(true);
AlembicStreamDescriptor streamDescr = null;
if (importMode > AlembicImportMode.NoSupportForStreaming)
{
streamDescr = ScriptableObject.CreateInstance <AlembicStreamDescriptor>();
streamDescr.name = "AlembicStream: " + go.name;
streamDescr.m_ImportSettings = importSettings;
streamDescr.m_importMode = importMode;
}
if (importMode == AlembicImportMode.AutomaticStreamingSetup)
{
var dynStream = go.AddComponent <AlembicStreamPlayer>();
dynStream.m_PlaybackSettings = new AlembicPlaybackSettings()
{
m_startTime = abcStream.AbcStartTime,
m_endTime = abcStream.AbcEndTime
};
dynStream.m_StreamDescriptor = streamDescr;
dynStream.enabled = true;
}
customAction.Invoke(abcStream, go, streamDescr);
}
return(go);
}
public AlembicStream(GameObject rootGo, AlembicStreamDescriptor streamDesc)
{
m_config.SetDefaults();
m_abcTreeRoot = new AlembicTreeNode()
{
stream = this, gameObject = rootGo
};
m_streamDesc = streamDesc;
}
public AlembicStream(GameObject rootGo, AlembicStreamDescriptor streamDesc)
{
m_Config.SetDefaults();
alembicTreeRoot = new AlembicTreeNode()
{
streamDescriptor = streamDesc, linkedGameObj = rootGo
};
m_StreamDesc = streamDesc;
}
void GenerateSubAssets(Subassets subassets, AlembicTreeNode root, AlembicStreamDescriptor streamDescr)
{
if (streamDescr.duration > 0)
{
// AnimationClip for time
{
var frames = new Keyframe[2];
frames[0].value = 0.0f;
frames[0].time = 0.0f;
frames[0].outTangent = 1.0f;
frames[1].value = (float)streamDescr.duration;
frames[1].time = (float)streamDescr.duration;
frames[1].inTangent = 1.0f;
var curve = new AnimationCurve(frames);
AnimationUtility.SetKeyLeftTangentMode(curve, 0, AnimationUtility.TangentMode.Linear);
AnimationUtility.SetKeyRightTangentMode(curve, 1, AnimationUtility.TangentMode.Linear);
var clip = new AnimationClip();
clip.SetCurve("", typeof(AlembicStreamPlayer), "currentTime", curve);
clip.name = root.gameObject.name + "_Time";
clip.hideFlags = HideFlags.NotEditable;
subassets.Add("Default Animation", clip);
}
// AnimationClip for frame events
{
var abc = root.stream.abcContext;
var n = abc.timeSamplingCount;
for (int i = 1; i < n; ++i)
{
var clip = new AnimationClip();
if (AddFrameEvents(clip, abc.GetTimeSampling(i)))
{
var name = root.gameObject.name + "_Frames";
if (n > 2)
{
name += i.ToString();
}
clip.name = name;
subassets.Add(clip.name, clip);
}
}
}
}
varyingTopologyMeshNames = new List <string>();
splittingMeshNames = new List <string>();
CollectSubAssets(subassets, root);
streamDescr.hasVaryingTopology = varyingTopologyMeshNames.Count > 0;
}
public override void OnImportAsset(AssetImportContext ctx)
{
var shortAssetPath = ctx.assetPath.Replace("Assets", "");
AlembicStream.DisconnectStreamsWithPath(shortAssetPath);
var sourcePath = Application.dataPath + shortAssetPath;
var destPath = Application.streamingAssetsPath + shortAssetPath;
var directoryPath = Path.GetDirectoryName(destPath);
if (!Directory.Exists(directoryPath))
{
Directory.CreateDirectory(directoryPath);
}
if (File.Exists(destPath))
{
File.SetAttributes(destPath, FileAttributes.Normal);
}
File.Copy(sourcePath, destPath, true);
var fileName = Path.GetFileNameWithoutExtension(destPath);
var go = new GameObject(fileName);
go.transform.localScale *= scaleFactor;
AlembicStreamDescriptor streamDescriptor = ScriptableObject.CreateInstance <AlembicStreamDescriptor>();
streamDescriptor.name = go.name + "_ABCDesc";
streamDescriptor.pathToAbc = shortAssetPath;
streamDescriptor.settings = streamSettings;
using (var abcStream = new AlembicStream(go, streamDescriptor))
{
abcStream.AbcLoad();
AbcStartTime = abcStream.AbcStartTime;
AbcEndTime = abcStream.AbcEndTime;
AbcFrameCount = abcStream.AbcFrameCount;
startFrame = startFrame < 0 ? 0 : startFrame;
endFrame = endFrame > AbcFrameCount - 1 ? AbcFrameCount - 1 : endFrame;
streamDescriptor.minFrame = startFrame;
streamDescriptor.maxFrame = endFrame;
streamDescriptor.abcFrameCount = AbcFrameCount;
streamDescriptor.abcDuration = AbcEndTime - AbcStartTime;
streamDescriptor.abcStartTime = AbcStartTime;
var streamPlayer = go.AddComponent <AlembicStreamPlayer>();
streamPlayer.streamDescriptor = streamDescriptor;
streamPlayer.startFrame = startFrame;
streamPlayer.endFrame = endFrame;
AddObjectToAsset(ctx, streamDescriptor.name, streamDescriptor);
GenerateSubAssets(ctx, abcStream.alembicTreeRoot, streamDescriptor);
AlembicStream.ReconnectStreamsWithPath(shortAssetPath);
#if UNITY_2017_3_OR_NEWER
ctx.AddObjectToAsset(go.name, go);
ctx.SetMainObject(go);
#else
ctx.SetMainAsset(go.name, go);
#endif
}
}
