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 CollectSubAssets(AssetImportContext ctx, AlembicTreeNode node, Material mat)
{
if (m_ImportSettings.m_importMeshes)
{
var meshFilter = node.linkedGameObj.GetComponent <MeshFilter>();
if (meshFilter != null)
{
var m = meshFilter.sharedMesh;
m.name = node.linkedGameObj.name;
ctx.AddSubAsset(m.name, m);
}
}
var renderer = node.linkedGameObj.GetComponent <MeshRenderer>();
if (renderer != null)
{
renderer.material = mat;
}
foreach (var child in node.children)
{
CollectSubAssets(ctx, child, mat);
}
}
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;
}
public AlembicStream(GameObject rootGo, AlembicStreamDescriptor streamDesc)
{
m_Config.SetDefaults();
alembicTreeRoot = new AlembicTreeNode()
{
streamDescriptor = streamDesc, linkedGameObj = rootGo
};
m_StreamDesc = streamDesc;
}
public AlembicStream(GameObject rootGo, AlembicStreamDescriptor streamDesc)
{
m_config.SetDefaults();
m_abcTreeRoot = new AlembicTreeNode()
{
stream = this, gameObject = rootGo
};
m_streamDesc = streamDesc;
}
void CollectSubAssets(Subassets subassets, AlembicTreeNode node)
{
var mesh = node.GetAlembicObj <AlembicMesh>();
if (mesh != null)
{
var sum = mesh.summary;
if (mesh.summary.topologyVariance == aiTopologyVariance.Heterogeneous)
{
varyingTopologyMeshNames.Add(node.gameObject.name);
}
else if (mesh.sampleSummary.splitCount > 1)
{
splittingMeshNames.Add(node.gameObject.name);
}
}
int submeshCount = 0;
var meshFilter = node.gameObject.GetComponent <MeshFilter>();
if (meshFilter != null)
{
var m = meshFilter.sharedMesh;
submeshCount = m.subMeshCount;
m.name = node.gameObject.name;
subassets.Add(node.abcObject.abcObject.fullname, m);
}
var renderer = node.gameObject.GetComponent <MeshRenderer>();
if (renderer != null)
{
var mats = new Material[submeshCount];
for (int i = 0; i < submeshCount; ++i)
{
mats[i] = subassets.defaultMaterial;
}
renderer.sharedMaterials = mats;
}
var apr = node.gameObject.GetComponent <AlembicPointsRenderer>();
if (apr != null)
{
var cubeGO = GameObject.CreatePrimitive(PrimitiveType.Cube);
apr.sharedMesh = cubeGO.GetComponent <MeshFilter>().sharedMesh;
DestroyImmediate(cubeGO);
apr.sharedMaterials = new Material[] { subassets.pointsMaterial };
apr.motionVectorMaterial = subassets.pointsMotionVectorMaterial;
}
foreach (var child in node.children)
{
CollectSubAssets(subassets, child);
}
}
void AbcBeforeUpdateSamples(AlembicTreeNode node)
{
if (node.abcObject != null && node.gameObject != null)
{
node.abcObject.AbcPrepareSample();
}
foreach (var child in node.children)
{
AbcBeforeUpdateSamples(child);
}
}
void AbcBeginSyncData(AlembicTreeNode node)
{
foreach (var obj in node.alembicObjects)
{
obj.Value.AbcSyncDataBegin();
}
foreach (var child in node.children)
{
AbcBeginSyncData(child);
}
}
void AbcBeforeUpdateSamples(AlembicTreeNode node)
{
foreach (var obj in node.alembicObjects)
{
obj.Value.AbcPrepareSample();
}
foreach (var child in node.children)
{
AbcBeforeUpdateSamples(child);
}
}
void AbcEndSyncData(AlembicTreeNode node)
{
if (node.abcObject != null && node.gameObject != null)
{
node.abcObject.AbcSyncDataEnd();
}
foreach (var child in node.children)
{
AbcEndSyncData(child);
}
}
public AlembicStream(GameObject rootGo, AlembicImportSettings importSettings, AlembicPlaybackSettings playSettings, AlembicDiagnosticSettings diagSettings)
{
_alembicTreeRoot = new AlembicTreeNode()
{
stream = this, linkedGameObj = rootGo
};
ImportSettings = importSettings;
m_playbackSettings = playSettings;
m_diagSettings = diagSettings ?? new AlembicDiagnosticSettings();
AbcAPI.aiEnableFileLog(m_diagSettings.m_logToFile, m_diagSettings.m_logPath);
}
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 void Dispose()
{
AlembicStream.s_streams.Remove(this);
if (m_abcTreeRoot != null)
{
m_abcTreeRoot.Dispose();
m_abcTreeRoot = null;
}
if (abcIsValid)
{
m_context.Destroy();
}
}
public void Dispose()
{
AlembicStream.s_Streams.Remove(this);
if (alembicTreeRoot != null)
{
alembicTreeRoot.Dispose();
alembicTreeRoot = null;
}
if (AbcIsValid())
{
AbcAPI.aiDestroyContext(m_Context);
m_Context = default(AbcAPI.aiContext);
}
}
public void AbcUpdateElements(AlembicTreeNode node = null)
{
if (node == null)
{
node = _alembicTreeRoot;
}
foreach (var o in node.alembicObjects)
{
o.Value.AbcUpdate();
}
foreach (var c in node.children)
{
AbcUpdateElements(c);
}
}
void UpdateAbcTree(aiContext ctx, AlembicTreeNode node, double time, bool createMissingNodes)
{
var top = ctx.topObject;
if (!top)
{
return;
}
m_importContext = new ImportContext
{
alembicTreeNode = node,
ss = AbcAPI.aiTimeToSampleSelector(time),
createMissingNodes = createMissingNodes,
};
top.EachChild(ImportCallback);
m_importContext = null;
}
public void AbcUpdateElements(AlembicTreeNode node = null)
{
if (node == null)
{
node = alembicTreeRoot;
}
using (var o = node.alembicObjects.GetEnumerator())
{
while (o.MoveNext())
{
o.Current.Value.AbcUpdate();
}
}
using (var c = node.children.GetEnumerator())
{
while (c.MoveNext())
{
AbcUpdateElements(c.Current);
}
}
}
private void CollectSubAssets(AssetImportContext ctx, AlembicTreeNode node, Material mat)
{
AlembicMesh mesh = node.GetAlembicObj <AlembicMesh>();
if (mesh != null)
{
if ((streamSettings.shareVertices || streamSettings.treatVertexExtraDataAsStatics) &&
mesh.summary.topologyVariance == AbcAPI.aiTopologyVariance.Heterogeneous)
{
varyingTopologyMeshNames.Add(node.linkedGameObj.name);
}
else if (streamSettings.shareVertices && mesh.sampleSummary.splitCount > 1)
{
splittingMeshNames.Add(node.linkedGameObj.name);
}
}
var meshFilter = node.linkedGameObj.GetComponent <MeshFilter>();
if (meshFilter != null)
{
var m = meshFilter.sharedMesh;
m.name = node.linkedGameObj.name;
AddObjectToAsset(ctx, m.name, m);
}
var renderer = node.linkedGameObj.GetComponent <MeshRenderer>();
if (renderer != null)
{
renderer.sharedMaterial = mat;
}
foreach (var child in node.children)
{
CollectSubAssets(ctx, child, mat);
}
}
// --- method overrides ---
protected override void Dispose(bool disposing)
{
if (disposing)
{
if (_alembicTreeRoot != null)
{
_alembicTreeRoot.Dispose();
_alembicTreeRoot = null;
}
}
if (AbcIsValid())
{
if (m_updateBegan)
{
AbcAPI.aiUpdateSamplesEnd(m_abc);
}
AbcAPI.aiDestroyContext(m_abc);
m_abc = default(AbcAPI.aiContext);
}
base.Dispose(disposing);
}
/*
* public static GameObject ImportAbc(string path)
* {
* var relPath = MakeRelativePath(path);
* ImportParams p = new ImportParams();
* return ImportImpl(relPath, p);
* }
*
* private static GameObject ImportImpl(string path, ImportParams p)
* {
* if (path == null || path == "")
* {
* return null;
* }
*
* string baseName = System.IO.Path.GetFileNameWithoutExtension(path);
* string name = baseName;
* int index = 1;
*
* while (GameObject.Find("/" + name) != null)
* {
* name = baseName + index;
++index;
* }
*
* var root = new GameObject {name = name};
* var abcStream = new AlembicStream( root )
* {
* m_pathToAbc = path,
* m_swapHandedness = p.swapHandedness,
* m_swapFaceWinding = p.swapFaceWinding
* };
* abcStream.AbcLoad(true);
*
* return root;
* }
*/
#endif
public static void UpdateAbcTree(aiContext ctx, AlembicTreeNode node, float time, bool createMissingNodes = false)
{
var ic = new ImportContext
{
alembicTreeNode = node,
ss = aiTimeToSampleSelector(time),
createMissingNodes = createMissingNodes,
objectsToDelete = new List <aiObject>()
};
GCHandle hdl = GCHandle.Alloc(ic);
aiObject top = aiGetTopObject(ctx);
if (top.ptr != (IntPtr)0)
{
aiEnumerateChild(top, ImportEnumerator, GCHandle.ToIntPtr(hdl));
foreach (aiObject obj in ic.objectsToDelete)
{
aiDestroyObject(ctx, obj);
}
}
}
void ImportCallback(aiObject obj)
{
var ic = m_importContext;
AlembicTreeNode treeNode = ic.alembicTreeNode;
AlembicTreeNode childTreeNode = null;
aiSchema schema = obj.AsXform();
if (!schema)
{
schema = obj.AsPolyMesh();
}
if (!schema)
{
schema = obj.AsCamera();
}
if (!schema)
{
schema = obj.AsPoints();
}
if (schema)
{
// Get child. create if needed and allowed.
string childName = obj.name;
// Find targetted child GameObj
GameObject childGO = null;
var childTransf = treeNode.linkedGameObj == null ? null : treeNode.linkedGameObj.transform.Find(childName);
if (childTransf == null)
{
if (!ic.createMissingNodes)
{
obj.enabled = false;
return;
}
childGO = new GameObject {
name = childName
};
var trans = childGO.GetComponent <Transform>();
trans.parent = treeNode.linkedGameObj.transform;
trans.localPosition = Vector3.zero;
trans.localEulerAngles = Vector3.zero;
trans.localScale = Vector3.one;
}
else
{
childGO = childTransf.gameObject;
}
childTreeNode = new AlembicTreeNode()
{
linkedGameObj = childGO, streamDescriptor = treeNode.streamDescriptor
};
treeNode.children.Add(childTreeNode);
// Update
AlembicElement elem = null;
if (obj.AsXform())
{
elem = childTreeNode.GetOrAddAlembicObj <AlembicXform>();
}
else if (obj.AsPolyMesh())
{
elem = childTreeNode.GetOrAddAlembicObj <AlembicMesh>();
}
else if (obj.AsCamera())
{
elem = childTreeNode.GetOrAddAlembicObj <AlembicCamera>();
}
else if (obj.AsPoints())
{
elem = childTreeNode.GetOrAddAlembicObj <AlembicPoints>();
}
if (elem != null)
{
elem.AbcSetup(obj, schema);
elem.AbcPrepareSample();
schema.UpdateSample(ref ic.ss);
elem.AbcSyncDataBegin();
elem.AbcSyncDataEnd();
}
}
else
{
obj.enabled = false;
}
ic.alembicTreeNode = childTreeNode;
obj.EachChild(ImportCallback);
ic.alembicTreeNode = treeNode;
}
static void ImportEnumerator(aiObject obj, IntPtr userData)
{
var ic = GCHandle.FromIntPtr(userData).Target as ImportContext;
AlembicTreeNode treeNode = ic.alembicTreeNode;
// Get child. create if needed and allowed.
string childName = aiGetName(obj);
// Find targetted child GameObj
AlembicTreeNode childTreeNode = null;
GameObject childGO = null;
var childTransf = treeNode.linkedGameObj.transform.Find(childName);
if (childTransf == null)
{
if (!ic.createMissingNodes)
{
ic.objectsToDelete.Add(obj);
return;
}
childGO = new GameObject {
name = childName
};
var trans = childGO.GetComponent <Transform>();
trans.parent = treeNode.linkedGameObj.transform;
trans.localPosition = Vector3.zero;
trans.localEulerAngles = Vector3.zero;
trans.localScale = Vector3.one;
}
else
{
childGO = childTransf.gameObject;
}
if (childTreeNode == null)
{
childTreeNode = new AlembicTreeNode()
{
linkedGameObj = childGO, stream = treeNode.stream
};
treeNode.children.Add(childTreeNode);
}
// Update
AlembicElement elem = null;
aiSchema schema = default(aiSchema);
if (aiGetXForm(obj))
{
elem = childTreeNode.GetOrAddAlembicObj <AlembicXForm>();
schema = aiGetXForm(obj);
}
else if (aiGetPolyMesh(obj))
{
elem = childTreeNode.GetOrAddAlembicObj <AlembicMesh>();
schema = aiGetPolyMesh(obj);
}
else if (aiGetCamera(obj))
{
elem = childTreeNode.GetOrAddAlembicObj <AlembicCamera>();
schema = aiGetCamera(obj);
}
else if (aiGetPoints(obj))
{
elem = childTreeNode.GetOrAddAlembicObj <AlembicPoints>();
schema = aiGetPoints(obj);
}
if (elem != null)
{
elem.AbcSetup(obj, schema);
elem.AbcUpdateConfig();
aiSchemaUpdateSample(schema, ref ic.ss);
elem.AbcUpdate();
}
ic.alembicTreeNode = childTreeNode;
aiEnumerateChild(obj, ImportEnumerator, userData);
ic.alembicTreeNode = treeNode;
}
void ImportCallback(aiObject obj)
{
var ic = m_importContext;
AlembicTreeNode treeNode = ic.alembicTreeNode;
AlembicTreeNode childTreeNode = null;
aiSchema schema = obj.AsXform();
if (!schema)
{
schema = obj.AsPolyMesh();
}
if (!schema)
{
schema = obj.AsCamera();
}
if (!schema)
{
schema = obj.AsPoints();
}
if (schema)
{
// Get child. create if needed and allowed.
string childName = obj.name;
// Find targetted child GameObj
GameObject childGO = null;
var childTransf = treeNode.gameObject == null ? null : treeNode.gameObject.transform.Find(childName);
if (childTransf == null)
{
if (!ic.createMissingNodes)
{
obj.enabled = false;
return;
}
else
{
obj.enabled = true;
}
childGO = new GameObject {
name = childName
};
childGO.GetComponent <Transform>().SetParent(treeNode.gameObject.transform, false);
}
else
{
childGO = childTransf.gameObject;
}
childTreeNode = new AlembicTreeNode()
{
stream = this, gameObject = childGO
};
treeNode.children.Add(childTreeNode);
// Update
AlembicElement elem = null;
if (obj.AsXform() && m_streamDesc.settings.importXform)
{
elem = childTreeNode.GetOrAddAlembicObj <AlembicXform>();
}
else if (obj.AsCamera() && m_streamDesc.settings.importCameras)
{
elem = childTreeNode.GetOrAddAlembicObj <AlembicCamera>();
}
else if (obj.AsPolyMesh() && m_streamDesc.settings.importMeshes)
{
elem = childTreeNode.GetOrAddAlembicObj <AlembicMesh>();
}
else if (obj.AsPoints() && m_streamDesc.settings.importPoints)
{
elem = childTreeNode.GetOrAddAlembicObj <AlembicPoints>();
}
if (elem != null)
{
elem.AbcSetup(obj, schema);
elem.AbcPrepareSample();
schema.UpdateSample(ref ic.ss);
elem.AbcSyncDataBegin();
elem.AbcSyncDataEnd();
}
}
else
{
obj.enabled = false;
}
ic.alembicTreeNode = childTreeNode;
obj.EachChild(ImportCallback);
ic.alembicTreeNode = treeNode;
}
