/// <summary>
/// Perform somes user initializations.
/// </summary>
protected override void UserInitializations()
{
this.Background = System.Windows.Media.Brushes.LightBlue;
this.BorderBrush = System.Windows.Media.Brushes.LightBlue;
this.Tree = new ModelTree();
this.ContentPanel.Children.Add(this.Tree);
}
public bool LoadFromFile(string modelFilePath)
{
if (!(File.Exists(modelFilePath)))
{
Debug.LogWarning("模型文件不存在!");
return(false);
}
FileStream fs = new FileStream(modelFilePath, FileMode.Open, FileAccess.Read);
byte[] header = new byte[2];
fs.Read(header, 0, 2);
fs.Close();
if ((header[0] == 80) && (header[1] == 75))
{
//说明这是一个未解压缩的3dxml文件，需要将其解压缩。
try
{
try
{
Directory.Delete("cached\\", true);
}
catch (IOException) { }
Directory.CreateDirectory("cached\\");
ZipFile.ExtractToDirectory(modelFilePath, "cached\\");
}
catch (IOException) { }
}
else
{
Debug.Log("请不要手动解包3DXML！");
return(false);
}
string xmlname = "";
DirectoryInfo dir = new DirectoryInfo("cached\\");
FileSystemInfo[] fileinfo = dir.GetFileSystemInfos(); //返回目录中所有文件和子目录
foreach (FileSystemInfo i in fileinfo)
{
if (i is DirectoryInfo) //判断是否文件夹
{
}
else
{
if (i.FullName.ToUpper().EndsWith(".3DXML"))
{
xmlname = i.FullName;
}
}
}
XElement xd = XElement.Load(xmlname);
modelRoot = ConvertToInt(xd.Elements().Last().Attribute("root").Value);
IEnumerable <XElement> xels = xd.Elements().Last().Elements();
foreach (XElement xel in xels)
{
string nametype = xel.Attribute(xsi + "type").Value;
if (nametype.Equals("Reference3DType"))
{
//示例：<Reference3D xsi:type="Reference3DType" id="3" name="gf-3__21-90_pub_skel"/>
//Reference3D r3 = new Reference3D();
ModelTree mt = new ModelTree(xel.Attribute("name").Value);
TreeDict.Add(ConvertToInt(xel.Attribute("id").Value), mt);
}
else if (nametype.Equals("ReferenceRepType"))
{
//示例：<ReferenceRep xsi:type="ReferenceRepType" id="4" name="gf-3__21-90_pub_skel" format="TESSELLATED" version="1.2" associatedFile="urn:3DXML:gf-3__21-90_pub_skel.prt.3DRep">
string filepath = "cached\\" + xel.Attribute("associatedFile").Value.Split(':')[2];
RepDict.Add(ConvertToInt(xel.Attribute("id").Value), new RepPart(filepath, xel.Attribute("name").Value));
}
else if (nametype.Equals("InstanceRepType"))
{
//<InstanceRep xsi:type="InstanceRepType" id="6" name="Part_InstanceRep">
//<IsAggregatedBy>3</IsAggregatedBy>
//<IsInstanceOf>4</IsInstanceOf>
//</InstanceRep>
int isAggregatedBy = ConvertToInt(xel.Elements().First().Value);
int isInstanceOf = ConvertToInt(xel.Elements().Last().Value);
TreeDict[isAggregatedBy].isLeaf = true;
TreeDict[isAggregatedBy].LeafPrt.Add(RepDict[isInstanceOf]);
}
else if (nametype.Equals("Instance3DType"))
{
//<Instance3D xsi:type="Instance3DType" id="17" name="GF-3__21-90_CABLE_PUB">
//<IsAggregatedBy>1</IsAggregatedBy>
//<IsInstanceOf>2</IsInstanceOf>
//<RelativeMatrix>1 0 0 0 1 0 0 0 1 0 0 0</RelativeMatrix>
//</Instance3D>
int isAggregatedBy = ConvertToInt(xel.Elements().First().Value);
int IsInstanceOf = ConvertToInt(xel.Elements().ToArray()[1].Value);
string RelativeMatrix = xel.Elements().Last().Value;
TreeDict[isAggregatedBy].childList.Add(TreeDict[IsInstanceOf]);
TreeDict[isAggregatedBy].childTransferMatrixList.Add(RelativeMatrix);
}
}
loadFinished = true;
return(true);
}
