private void Load(string fileName)
{
if (!File.Exists(fileName))
{
Logger.Error("path file do not exit. {0}", fileName);
return;
}
FileStream fileStream = new FileStream(fileName, FileMode.Open, FileAccess.Read);
int nSeek = 0;
//先从文件头读取地图的长和宽
byte[] byteLen = new byte[Marshal.SizeOf(typeof(int))];
fileStream.Seek(nSeek, SeekOrigin.Begin);
fileStream.Read(byteLen, 0, byteLen.Length);
Height = System.BitConverter.ToInt32(byteLen, 0);
nSeek += byteLen.Length;
byte[] byteWid = new byte[Marshal.SizeOf(typeof(int))];
fileStream.Seek(nSeek, SeekOrigin.Begin);
fileStream.Read(byteWid, 0, byteWid.Length);
Width = System.BitConverter.ToInt32(byteWid, 0);
nSeek += byteWid.Length;
int nReadLen = Marshal.SizeOf(typeof(ObstacleItem));
byte[] read = new byte[nReadLen];
mSearchGrid = new StaticGrid(Width * 2 + 1, Height * 2 + 1);
byte[][] mat = new byte[Width * 2 + 1][];
for (int i = 0; i < Width * 2 + 1; i++)
{
mat[i] = new byte[Height * 2 + 1];
}
for (int i = 0; i < (Height * 2 + 1) * (Width * 2 + 1); ++i)
{
fileStream.Seek(nSeek, SeekOrigin.Begin);
fileStream.Read(read, 0, nReadLen);
nSeek += nReadLen;
ObstacleItem info = Byte2Struct(read);
mat[(int)(info.Fx * 2)][(int)(info.Fy * 2)] = (byte)info.Value;
}
mSearchGrid.Reset(mat);
mParam = new JumpPointParam(mSearchGrid, new GridPos(0, 0), new GridPos(0, 0), true, true, false,
HeuristicMode.MANHATTAN);
}