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.SetSharedMaterials(new Material[] { subassets.pointsMaterial });
apr.motionVectorMaterial = subassets.pointsMotionVectorMaterial;
}
foreach (var child in node.Children)
{
CollectSubAssets(subassets, child);
}
}
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;
}
void CollectSubAssets(Subassets subassets, AlembicTreeNode node)
{
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.InstancedMesh = cubeGO.GetComponent <MeshFilter>().sharedMesh;
DestroyImmediate(cubeGO);
apr.Materials = new List <Material> {
subassets.pointsMaterial
};
apr.MotionVectorMaterial = subassets.pointsMotionVectorMaterial;
}
foreach (var child in node.Children)
{
CollectSubAssets(subassets, child);
}
}
