/// <summary>
/// Writes SerializedProperty to USD, traversing all nested properties.
/// </summary>
static void PropertyToUsd(string path,
string propPrefix,
Scene scene,
SerializedProperty prop,
System.Text.StringBuilder sb)
{
string prefix = "";
try
{
var nameStack = new List <string>();
nameStack.Add("unity");
if (!string.IsNullOrEmpty(propPrefix))
{
nameStack.Add(propPrefix);
}
string lastName = "";
int lastDepth = 0;
while (prop.Next(prop.propertyType == SerializedPropertyType.Generic && !prop.isArray))
{
string tabIn = "";
for (int i = 0; i < prop.depth; i++)
{
tabIn += " ";
}
if (prop.depth > lastDepth)
{
Debug.Assert(lastName != "");
nameStack.Add(lastName);
}
else if (prop.depth < lastDepth)
{
nameStack.RemoveRange(nameStack.Count - (lastDepth - prop.depth), lastDepth - prop.depth);
}
lastDepth = prop.depth;
lastName = prop.name;
if (nameStack.Count > 0)
{
prefix = string.Join(":", nameStack.ToArray());
prefix += ":";
}
else
{
prefix = "";
}
sb.Append(tabIn + prefix + prop.name + "[" + prop.propertyType.ToString() + "] = ");
if (prop.isArray && prop.propertyType != SerializedPropertyType.String)
{
// TODO.
sb.AppendLine("ARRAY");
}
else if (prop.propertyType == SerializedPropertyType.Generic)
{
sb.AppendLine("Generic");
}
else if (prop.propertyType == SerializedPropertyType.AnimationCurve ||
prop.propertyType == SerializedPropertyType.Gradient)
{
// TODO.
sb.AppendLine(NativeSerialization.ValueToString(prop));
}
else
{
sb.AppendLine(NativeSerialization.ValueToString(prop));
var vtValue = NativeSerialization.PropToVtValue(prop);
var primPath = new pxr.SdfPath(path);
var attrName = new pxr.TfToken(prefix + prop.name);
/*
* var oldPrim = context.prevScene.Stage.GetPrimAtPath(primPath);
* pxr.VtValue oldVtValue = null;
* if (oldPrim.IsValid()) {
* var oldAttr = oldPrim.GetAttribute(attrName);
* if (oldAttr.IsValid()) {
* oldVtValue = oldAttr.Get(0);
* }
* }
*
* if (oldVtValue != null && vtValue == oldVtValue) {
* Debug.Log("skipping: " + prop.name);
* continue;
* }
*/
var sdfType = NativeSerialization.GetSdfType(prop);
var prim = scene.GetPrimAtPath(primPath);
var attr = prim.CreateAttribute(attrName, sdfType);
attr.Set(vtValue);
}
}
}
catch
{
Debug.LogWarning("Failed on: " + path + "." + prefix + prop.name);
throw;
}
}
/// <summary>
/// Constructs Unity SerializedProperties from USD.
/// </summary>
static void PropertyFromUsd(pxr.UsdPrim prim,
SerializedProperty prop,
System.Text.StringBuilder sb,
string propPrefix)
{
if (prim == null)
{
Debug.LogError("Null prim - " + propPrefix);
}
if (!prim.IsValid())
{
Debug.LogError("Invalid prim: " + prim.GetPath().ToString());
}
string prefix = "";
try
{
var nameStack = new List <string>();
nameStack.Add("unity");
if (!string.IsNullOrEmpty(propPrefix))
{
nameStack.Add(propPrefix);
}
string lastName = "";
int lastDepth = 0;
while (prop.Next(prop.propertyType == SerializedPropertyType.Generic && !prop.isArray))
{
string tabIn = "";
for (int i = 0; i < prop.depth; i++)
{
tabIn += " ";
}
if (prop.depth > lastDepth)
{
Debug.Assert(lastName != "");
nameStack.Add(lastName);
}
else if (prop.depth < lastDepth)
{
nameStack.RemoveRange(nameStack.Count - (lastDepth - prop.depth), lastDepth - prop.depth);
}
lastDepth = prop.depth;
lastName = prop.name;
if (nameStack.Count > 0)
{
prefix = string.Join(":", nameStack.ToArray());
prefix += ":";
}
else
{
prefix = "";
}
sb.Append(tabIn + prefix + prop.name + "[" + prop.propertyType.ToString() + "] = ");
if (prop.isArray && prop.propertyType != SerializedPropertyType.String)
{
// TODO.
sb.AppendLine("ARRAY");
}
else if (prop.propertyType == SerializedPropertyType.Generic)
{
sb.AppendLine("Generic");
}
else if (prop.propertyType == SerializedPropertyType.AnimationCurve ||
prop.propertyType == SerializedPropertyType.Gradient)
{
// TODO.
sb.AppendLine(NativeSerialization.ValueToString(prop));
}
else
{
sb.AppendLine(NativeSerialization.ValueToString(prop));
var attrName = new pxr.TfToken(prefix + prop.name);
var attr = prim.GetAttribute(attrName);
if (attr == null)
{
Debug.LogError("Null attr: " + prim.GetPath().ToString() + "." + attrName.ToString());
}
if (!attr.IsValid())
{
Debug.LogError("Attribute not found:" + attr.GetPath().ToString());
}
NativeSerialization.VtValueToProp(prop, attr.Get(0));
}
}
}
catch
{
Debug.LogWarning("Failed on: " + prim.GetPath() + "." + prefix + prop.name);
throw;
}
}
