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 <Assignment> > allAssignments = new Dictionary <GameObject, List <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 <Assignment> assignments;
if (!allAssignments.ContainsKey(target))
{
assignments = new List <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;
var a = new Assignment
{
material = material,
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 <Assignment> > pair in allAssignments)
{
AlembicMaterial abcmaterial = pair.Key.GetComponent <AlembicMaterial>();
if (abcmaterial == null)
{
abcmaterial = pair.Key.AddComponent <AlembicMaterial>();
}
abcmaterial.UpdateAssignments(pair.Value);
}
// Force refresh
var player = root.GetComponent <AlembicStreamPlayer>();
if (player != null && player.Stream != null)
{
player.SendMessage("ForceRefresh", null, SendMessageOptions.DontRequireReceiver);
}
else
{
// todo: do figure something else...
}
}
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);
}
}
