private void compareRefreshLists(RenderableObjectList newList, RenderableObjectList curList)
{
ArrayList addList = new ArrayList();
ArrayList delList = new ArrayList();
foreach (RenderableObject newObject in newList.ChildObjects)
{
bool foundObject = false;
foreach (RenderableObject curObject in curList.ChildObjects)
{
string xmlSource = curObject.MetaData["XmlSource"] as string;
if (xmlSource != null && xmlSource == m_DataSource && newObject.Name == curObject.Name)
{
foundObject = true;
UpdateRenderable(curObject, newObject);
break;
}
}
if (!foundObject)
{
addList.Add(newObject);
}
}
foreach (RenderableObject curObject in curList.ChildObjects)
{
bool foundObject = false;
foreach (RenderableObject newObject in newList.ChildObjects)
{
string xmlSource = newObject.MetaData["XmlSource"] as string;
if (xmlSource != null && xmlSource == m_DataSource && newObject.Name == curObject.Name)
{
foundObject = true;
break;
}
}
if (!foundObject)
{
string src = (string)curObject.MetaData["XmlSource"];
if (src != null || src == m_DataSource)
{
delList.Add(curObject);
}
}
}
foreach (RenderableObject o in addList)
{
curList.Add(o);
}
foreach (RenderableObject o in delList)
{
curList.Remove(o);
}
}
/// <summary>
/// 返回直接或间接的对象，根据名字查询
/// </summary>
/// <example> Get all QuadTileSets defined in this world:
/// <code>
/// RenderableObjectList allQTS = CurrentWorld.RenderableObjects.GetObjects(null, typeof(QuadTileSet));
/// </code></example>
/// <param name="name">The name of the <c>RenderableObject</c> to search for, or <c>null</c> if any name should match.</param>
/// <param name="objectType">The object type to search for, or <c>null</c> if any type should match.</param>
/// <returns>A list of all <c>RenderableObject</c>s that match the given search criteria (may be empty), or <c>null</c> if an error occurred.</returns>
public virtual RenderableObjectList GetObjects(string name, Type objectType)
{
RenderableObjectList result = new RenderableObjectList("results");
m_childrenRWLock.AcquireReaderLock(Timeout.Infinite);
try
{
foreach (RenderableObject ro in this.m_children)
{
if (ro.GetType() == typeof(RenderableObjectList))
{
RenderableObjectList sub = ro as RenderableObjectList;
RenderableObjectList subres = sub.GetObjects(name, objectType);
foreach (RenderableObject hit in subres.ChildObjects)
{
result.Add(hit);
}
}
if (ro.Name.Equals(name) && ((objectType == null) || (ro.GetType() == objectType)))
{
result.Add(ro);
}
}
}
catch
{
result = null;
}
finally
{
m_childrenRWLock.ReleaseReaderLock();
}
return(result);
}
/// <summary>
/// 添加对象到图层. If the new object has the same name as an existing object in this
/// ROL it gets a number appended. If the new object is a ROL and there was already a ROL with the same
/// name then the children of the new ROL gets added to the old ROL.
///
/// Not sure who uses this but the functionality was kept this way.
/// </summary>
public virtual void Add(RenderableObject ro)
{
ro.ParentList = this;
RenderableObjectList dupList = null;
RenderableObject duplicate = null;
// We get a write lock here because if you get a reader lock and then upgrade
// the data can change on us before we get the write lock.
//
// This is somewhat unfortunate since we spend a bit of time going through the
// child list.
//
// if we can't get the writer lock in 2 seconds something is probably borked
if (GetWriterLock(200))
{
try
{
// find duplicate names
foreach (RenderableObject childRo in m_children)
{
if (childRo is RenderableObjectList &&
ro is RenderableObjectList &&
childRo.Name == ro.Name)
{
dupList = (RenderableObjectList)childRo;
break;
}
else if (childRo.Name == ro.Name)
{
duplicate = childRo;
break;
}
}
// if we have two ROLs with the same name, don't rename the new ROL but add the children of the new ROL to the
// existing ROL.
if (dupList != null)
{
RenderableObjectList rol = (RenderableObjectList)ro;
foreach (RenderableObject childRo in rol.ChildObjects)
{
dupList.Add(childRo);
}
}
else
{
// Try to find an unused number for this name
if (duplicate != null)
{
for (int i = 1; i < 1000; i++)
{
ro.Name = string.Format("{0} [{1}]", duplicate.Name, i);
bool found = false;
foreach (RenderableObject childRo in m_children)
{
if (childRo.Name == ro.Name)
{
found = true;
break;
}
}
if (!found)
{
break;
}
}
}
// Add the new child
m_children.Add(ro);
// Resort during the next update
// NeedsSort = true;
}
}
finally
{
m_childrenRWLock.ReleaseWriterLock();
}
}
else
{
MessageBox.Show("Unable to add new object " + ro.Name);
}
}
