public override System.Collections.Generic.Queue <Moonfish.Tags.BlamPointer> ReadFields(System.IO.BinaryReader binaryReader)
{
System.Collections.Generic.Queue <Moonfish.Tags.BlamPointer> pointerQueue = new System.Collections.Generic.Queue <Moonfish.Tags.BlamPointer>(base.ReadFields(binaryReader));
this.Node = binaryReader.ReadShortBlockIndex1();
this.Region = binaryReader.ReadShortBlockIndex1();
this.Permutattion = binaryReader.ReadShortBlockIndex2();
this.fieldpad = binaryReader.ReadBytes(2);
this.BoudingSphereOffset = binaryReader.ReadVector3();
this.BoundingSphereRadius = binaryReader.ReadSingle();
this.RigidBodiesFlags = ((Flags)(binaryReader.ReadInt16()));
this.MotionType = ((MotionTypeEnum)(binaryReader.ReadInt16()));
this.NoPhantomPowerAlt = binaryReader.ReadShortBlockIndex1();
this.Size = ((SizeEnum)(binaryReader.ReadInt16()));
this.InertiaTensorScale = binaryReader.ReadSingle();
this.LinearDamping = binaryReader.ReadSingle();
this.AngularDamping = binaryReader.ReadSingle();
this.CenterOffMassOffset = binaryReader.ReadVector3();
this.ShapeType = ((ShapeTypeEnum)(binaryReader.ReadInt16()));
this.Shape = binaryReader.ReadShortBlockIndex2();
this.Mass = binaryReader.ReadSingle();
this.CenterOfMass = binaryReader.ReadVector3();
this.fieldskip = binaryReader.ReadBytes(4);
this.IntertiaTensorX = binaryReader.ReadVector3();
this.fieldskip0 = binaryReader.ReadBytes(4);
this.IntertiaTensorY = binaryReader.ReadVector3();
this.fieldskip1 = binaryReader.ReadBytes(4);
this.IntertiaTensorZ = binaryReader.ReadVector3();
this.fieldskip2 = binaryReader.ReadBytes(4);
this.BoundingSpherePad = binaryReader.ReadSingle();
this.fieldpad0 = binaryReader.ReadBytes(12);
return(pointerQueue);
}
private static void ProcessShapeArea()
{
Console.WriteLine("\n---------------------------------------------------------------------");
Console.WriteLine("Do you want a square (1), circle (2), or equilateral triangle (3): ");
var userInputShapeType = GetUserInputInt();
ShapeTypeEnum type = (ShapeTypeEnum)userInputShapeType;
Console.WriteLine("Enter the shape's primary dimension (width, radius, or base): ");
var userInputShapeWith = GetUserInputInt();
Shape s;
try
{
s = _shapeFactory.CreateShape(type, userInputShapeWith);
var area = s.CalculateArea();
Console.WriteLine("Shape properties:");
Console.WriteLine("\tWidth: " + s.Width);
Console.WriteLine("\tArea: " + area);
}
catch (Exception ex)
{
Console.WriteLine();
Console.WriteLine("Error: {0}", ex.Message);
}
}
public override System.Collections.Generic.Queue <Moonfish.Tags.BlamPointer> ReadFields(System.IO.BinaryReader binaryReader)
{
System.Collections.Generic.Queue <Moonfish.Tags.BlamPointer> pointerQueue = new System.Collections.Generic.Queue <Moonfish.Tags.BlamPointer>(base.ReadFields(binaryReader));
this.ShapeType = ((ShapeTypeEnum)(binaryReader.ReadInt16()));
this.Shape = binaryReader.ReadShortBlockIndex2();
this.CollisionFilter = binaryReader.ReadInt32();
return(pointerQueue);
}
public static Shape GenerateShape(ShapeTypeEnum shapeType)
{
switch (shapeType)
{
case ShapeTypeEnum.I:
return(new ShapeI());
}
return(null);
}
/// <summary>
/// 读取和解析.shp文件的文件头
/// </summary>
private void ParseHeader()
{
fsShapeFile = new FileStream(_Filename, FileMode.Open, FileAccess.Read);
brShapeFile = new BinaryReader(fsShapeFile, Encoding.Unicode);
brShapeFile.BaseStream.Seek(0, 0);
//读取四个字节，检查文件头
if (brShapeFile.ReadInt32() != 170328064)
{
//文件真实的编码是9994，
//170328064的16进制为0x0a27，交换字节顺序后就是0x270a，十进制就是9994了
throw (new ApplicationException("无效的Shapefile文件 (.shp)"));
}
//五个没有被使用的int32整数
brShapeFile.BaseStream.Seek(24, 0);
//获取文件长度，包括文件头
_FileSize = 2 * SwapByteOrder(brShapeFile.ReadInt32());
//读取几何类型
_ShapeType = (ShapeTypeEnum)brShapeFile.ReadInt32();
//读取数据的外包矩形
brShapeFile.BaseStream.Seek(36, 0);
_Envelope = new BoundingBox(brShapeFile.ReadDouble(), brShapeFile.ReadDouble(), brShapeFile.ReadDouble(),
brShapeFile.ReadDouble());
//通过.shp文件获取数据条数
// 跳过文件头读取
brShapeFile.BaseStream.Seek(100, 0);
// 几何数据记录开始位置
long offset = 100;
//遍历数据建立功能包含在数据文件的数量
while (offset < _FileSize)
{
++_FeatureCount;
brShapeFile.BaseStream.Seek(offset + 4, 0); //跳过长度
int data_length = 2 * SwapByteOrder(brShapeFile.ReadInt32());
if ((offset + data_length) > _FileSize)
{
--_FeatureCount;
}
offset += data_length; // 添加记录数据长度
offset += 8; // +添加每条数据记录头的大小
}
_OffsetOfRecord = new int[_FeatureCount];
//brShapeFile.Close();
//fsShapeFile.Close();
}
public IShape GetShape(ShapeTypeEnum type)
{
switch (type)
{
case ShapeTypeEnum.Circle:
return(new Circle());
case ShapeTypeEnum.Square:
return(new Square());
case ShapeTypeEnum.Rectangle:
return(new Rectangle());
default:
return(null);
}
}
public Shape CreateShape(ShapeTypeEnum shapeType, double shapeWidth)
{
switch (shapeType)
{
case ShapeTypeEnum.SQUARE:
return(new Square(shapeWidth));
case ShapeTypeEnum.CIRCLE:
return(new Circle(shapeWidth));
case ShapeTypeEnum.EQUILATERAL_TRIANGLE:
return(new EquilateralTriangle(shapeWidth));
default:
throw new ArgumentOutOfRangeException("ShapeType", "Unknown Shape Type");
}
}
private void ShapeStyle_CheckedChanged(object sender, EventArgs e)
{
RadioButton rdShape = sender as RadioButton;
if (rdShape == null || !rdShape.Checked)
{
return;
}
if (!int.TryParse((string)rdShape.Tag, out int tag))
{
return;
}
ShapeTypeEnum shapeType = (ShapeTypeEnum)tag;
drawHandler.SetShape(shapeType);
}
/// <summary>
/// 从.shp文件中读取并解析几何对象
/// </summary>
/// <param name="oid"></param>
/// <returns></returns>
private Geometry ReadGeometry(int oid)
{
brShapeFile.BaseStream.Seek(_OffsetOfRecord[oid] + 8, 0);
ShapeTypeEnum type = (ShapeTypeEnum)brShapeFile.ReadInt32(); //Shape type
if (type == ShapeTypeEnum.Null)
{
return(null);
}
if (type == ShapeTypeEnum.Point)
{
return(new Point(brShapeFile.ReadDouble(), brShapeFile.ReadDouble()));
}
else
{
throw (new ApplicationException("Shapefile 文件类型 " + _ShapeType.ToString() + " 不支持"));
}
}
public void SetShape(ShapeTypeEnum shapeType) => ActiveShape = shapeType;
