public override void AbcGetConfig(ref AbcAPI.aiConfig config)
{
if (m_normalsMode != AbcAPI.aiNormalsModeOverride.InheritStreamSetting)
{
config.normalsMode = (AbcAPI.aiNormalsMode)m_normalsMode;
}
if (m_tangentsMode != AbcAPI.aiTangentsModeOverride.InheritStreamSetting)
{
config.tangentsMode = (AbcAPI.aiTangentsMode)m_tangentsMode;
}
if (m_faceWinding != AbcAPI.aiFaceWindingOverride.InheritStreamSetting)
{
config.swapFaceWinding = (m_faceWinding == AbcAPI.aiFaceWindingOverride.Swap);
}
config.cacheTangentsSplits = m_cacheTangentsSplits;
// if 'forceUpdate' is set true, even if alembic sample data do not change at all
// AbcSampleUpdated will still be called (topologyChanged will be false)
AlembicMaterial abcMaterials = m_trans.GetComponent <AlembicMaterial>();
config.forceUpdate = m_freshSetup || (abcMaterials != null ? abcMaterials.HasFacesetsChanged() : hasFacesets);
}
public override void AbcSampleUpdated(AbcAPI.aiSample sample, bool topologyChanged)
{
AlembicMaterial abcMaterials = m_trans.GetComponent <AlembicMaterial>();
if (abcMaterials != null)
{
if (abcMaterials.HasFacesetsChanged())
{
AbcVerboseLog("AlembicMesh.AbcSampleUpdated: Facesets updated, force topology update");
topologyChanged = true;
}
hasFacesets = (abcMaterials.GetFacesetsCount() > 0);
}
else if (hasFacesets)
{
AbcVerboseLog("AlembicMesh.AbcSampleUpdated: Facesets cleared, force topology update");
topologyChanged = true;
hasFacesets = false;
}
if (m_freshSetup)
{
topologyChanged = true;
m_freshSetup = false;
}
AbcAPI.aiPolyMeshGetSampleSummary(sample, ref m_sampleSummary, topologyChanged);
AbcAPI.aiPolyMeshData vertexData = default(AbcAPI.aiPolyMeshData);
UpdateSplits(m_sampleSummary.splitCount);
for (int s = 0; s < m_sampleSummary.splitCount; ++s)
{
Split split = m_splits[s];
split.clear = topologyChanged;
split.active = true;
int vertexCount = AbcAPI.aiPolyMeshGetVertexBufferLength(sample, s);
Array.Resize(ref split.positionCache, vertexCount);
vertexData.positions = GetArrayPtr(split.positionCache);
if (m_sampleSummary.hasNormals)
{
Array.Resize(ref split.normalCache, vertexCount);
vertexData.normals = GetArrayPtr(split.normalCache);
}
else
{
Array.Resize(ref split.normalCache, 0);
vertexData.normals = IntPtr.Zero;
}
if (m_sampleSummary.hasUVs)
{
Array.Resize(ref split.uvCache, vertexCount);
vertexData.uvs = GetArrayPtr(split.uvCache);
}
else
{
Array.Resize(ref split.uvCache, 0);
vertexData.uvs = IntPtr.Zero;
}
if (m_sampleSummary.hasTangents)
{
Array.Resize(ref split.tangentCache, vertexCount);
vertexData.tangents = GetArrayPtr(split.tangentCache);
}
else
{
Array.Resize(ref split.tangentCache, 0);
vertexData.tangents = IntPtr.Zero;
}
AbcAPI.aiPolyMeshFillVertexBuffer(sample, s, ref vertexData);
split.center = vertexData.center;
split.size = vertexData.size;
}
if (topologyChanged)
{
AbcAPI.aiFacesets facesets = default(AbcAPI.aiFacesets);
AbcAPI.aiSubmeshSummary submeshSummary = default(AbcAPI.aiSubmeshSummary);
AbcAPI.aiSubmeshData submeshData = default(AbcAPI.aiSubmeshData);
if (abcMaterials != null)
{
abcMaterials.GetFacesets(ref facesets);
}
int numSubmeshes = AbcAPI.aiPolyMeshPrepareSubmeshes(sample, ref facesets);
if (m_submeshes.Count > numSubmeshes)
{
m_submeshes.RemoveRange(numSubmeshes, m_submeshes.Count - numSubmeshes);
}
for (int s = 0; s < m_sampleSummary.splitCount; ++s)
{
m_splits[s].submeshCount = AbcAPI.aiPolyMeshGetSplitSubmeshCount(sample, s);
}
while (AbcAPI.aiPolyMeshGetNextSubmesh(sample, ref submeshSummary))
{
if (submeshSummary.splitIndex >= m_splits.Count)
{
Debug.Log("Invalid split index");
continue;
}
Submesh submesh = null;
if (submeshSummary.index < m_submeshes.Count)
{
submesh = m_submeshes[submeshSummary.index];
}
else
{
submesh = new Submesh
{
indexCache = new int[0],
facesetIndex = -1,
splitIndex = -1,
index = -1,
update = true
};
m_submeshes.Add(submesh);
}
submesh.facesetIndex = submeshSummary.facesetIndex;
submesh.splitIndex = submeshSummary.splitIndex;
submesh.index = submeshSummary.splitSubmeshIndex;
submesh.update = true;
Array.Resize(ref submesh.indexCache, 3 * submeshSummary.triangleCount);
submeshData.indices = GetArrayPtr(submesh.indexCache);
AbcAPI.aiPolyMeshFillSubmeshIndices(sample, ref submeshSummary, ref submeshData);
}
if (abcMaterials != null)
{
abcMaterials.AknowledgeFacesetsChanges();
}
}
else
{
for (int i = 0; i < m_submeshes.Count; ++i)
{
m_submeshes[i].update = false;
}
}
AbcDirty();
}
public void OnGUI()
{
float hp = 5;
float vp = 5;
float hs = 5;
float rh = 16;
float lw;
float fw;
float bw;
Rect r;
// Material assignment file controls
r = NewControlRect(true, rh, hp, vp);
lw = r.width * 0.33f;
EditorGUI.PrefixLabel(new Rect(r.x, r.y, lw, r.height), new GUIContent("Assignments File"));
bw = 26;
fw = r.width - lw - bw - 2 * hs;
xmlPath = EditorGUI.TextField(new Rect(r.x + lw + hs, r.y, fw, r.height), xmlPath);
if (GUI.Button(new Rect(r.x + lw + hs + fw + hs, r.y, bw, r.height), "..."))
{
string startFolder = (xmlPath.Length > 0 ? Path.GetDirectoryName(xmlPath) : Application.dataPath);
xmlPath = MakeDataRelativePath(EditorUtility.OpenFilePanel("Select Material Assignment File", startFolder, "xml"));
if (xmlPath.Length > 0)
{
materialFolder = Path.GetDirectoryName(xmlPath);
}
}
// Material folder controls
r = NewControlRect(true, rh, hp, vp);
lw = r.width * 0.33f;
EditorGUI.PrefixLabel(new Rect(r.x, r.y, lw, r.height), new GUIContent("Materials Folder"));
bw = 26;
fw = r.width - lw - bw - 2 * hs;
materialFolder = EditorGUI.TextField(new Rect(r.x + lw + hs, r.y, fw, r.height), materialFolder);
if (GUI.Button(new Rect(r.x + lw + hs + fw + hs, r.y, bw, r.height), "..."))
{
string startFolder = (materialFolder.Length > 0 ? materialFolder : Application.dataPath);
materialFolder = MakeDataRelativePath(EditorUtility.OpenFolderPanel("Select Materials Folder", startFolder, ""));
}
// Target asset node controls
r = NewControlRect(true, rh, hp, vp);
lw = r.width * 0.33f;
EditorGUI.PrefixLabel(new Rect(r.x, r.y, lw, r.height), new GUIContent("Asset Root"));
fw = r.width - lw - hs;
assetRoot = (GameObject)EditorGUI.ObjectField(new Rect(r.x + lw + hs, r.y, fw, r.height), assetRoot, typeof(GameObject), true);
// Action buttons
r = NewControlRect(false, rh, hp, vp);
bw = 0.5f * (r.width - hs);
if (GUI.Button(new Rect(r.x, r.y, bw, r.height), "Import"))
{
AlembicMaterial.Import(Application.dataPath + "/" + xmlPath, assetRoot, "Assets/" + materialFolder); //relMatFolder);
}
if (GUI.Button(new Rect(r.x + bw + hs, r.y, bw, r.height), "Export"))
{
AlembicMaterial.Export(Application.dataPath + "/" + xmlPath, assetRoot);
}
}
public static void Import(string xmlPath, GameObject root, string materialFolder)
{
XmlDocument doc = new XmlDocument();
doc.Load(xmlPath);
XmlNode xmlRoot = doc.DocumentElement;
XmlNodeList nodes = xmlRoot.SelectNodes("/assignments/node");
Dictionary <GameObject, List <AlembicMaterial.Assignment> > allAssignments = new Dictionary <GameObject, List <AlembicMaterial.Assignment> >();
foreach (XmlNode node in nodes)
{
string path = node.Attributes["path"].Value;
XmlNodeList shaders = node.SelectNodes("shader");
foreach (XmlNode shader in shaders)
{
XmlAttribute name = shader.Attributes["name"];
XmlAttribute inst = shader.Attributes["instance"];
if (name == null)
{
continue;
}
int instNum = (inst == null ? 0 : Convert.ToInt32(inst.Value));
GameObject target = FindNode(root, path, instNum);
if (target == null)
{
// Debug.Log("Could not find node: " + path);
continue;
}
List <AlembicMaterial.Assignment> assignments;
if (!allAssignments.ContainsKey(target))
{
assignments = new List <AlembicMaterial.Assignment>();
allAssignments.Add(target, assignments);
}
else
{
assignments = allAssignments[target];
}
Material material = GetMaterial(name.Value, materialFolder);
if (material == null)
{
material = new Material(Shader.Find("Standard"));
material.color = new Color(UnityEngine.Random.value,
UnityEngine.Random.value,
UnityEngine.Random.value);
AssetDatabase.CreateAsset(material, materialFolder + "/" + name.Value + ".mat");
}
// Get or create material assignment
bool newlyAssigned = false;
AlembicMaterial.Assignment a = null;
if (a == null)
{
a = new AlembicMaterial.Assignment();
a.material = material;
a.faces = new List <int>();
assignments.Add(a);
newlyAssigned = true;
}
string faceset = shader.InnerText;
faceset.Trim();
if (faceset.Length > 0 && (newlyAssigned || a.faces.Count > 0))
{
string[] items = faceset.Split(FaceSep, StringSplitOptions.RemoveEmptyEntries);
for (int i = 0; i < items.Length; ++i)
{
string[] rng = items[i].Split(RangeSep, StringSplitOptions.RemoveEmptyEntries);
if (rng.Length == 1)
{
a.faces.Add(Convert.ToInt32(rng[0]));
}
else if (rng.Length == 2)
{
int j0 = Convert.ToInt32(rng[0]);
int j1 = Convert.ToInt32(rng[1]);
for (int j = j0; j <= j1; ++j)
{
a.faces.Add(j);
}
}
}
if (!newlyAssigned)
{
a.faces = new List <int>(new HashSet <int>(a.faces));
}
}
else if (faceset.Length == 0 && a.faces.Count > 0)
{
// Shader assgined to whole object, remove any face level assignments
a.faces.Clear();
}
}
}
// Update AlembicMaterial components
foreach (KeyValuePair <GameObject, List <AlembicMaterial.Assignment> > pair in allAssignments)
{
AlembicMaterial abcmaterial = pair.Key.GetComponent <AlembicMaterial>();
if (abcmaterial == null)
{
abcmaterial = pair.Key.AddComponent <AlembicMaterial>();
}
abcmaterial.UpdateAssignments(pair.Value);
}
// Force refresh
AlembicStream abcstream = root.GetComponent <AlembicStream>();
if (abcstream != null)
{
abcstream.m_forceRefresh = true;
abcstream.SendMessage("AbcUpdate", abcstream.m_time, SendMessageOptions.DontRequireReceiver);
}
}