public bool ReadFromMemory(byte[] filebuffer, bool skipId0 = false)
{
_regionOrderList.Clear();
_regionMap.Clear();
try
{
byte[] bytes;
using (MemoryStream fs = new MemoryStream(filebuffer))
{
using (BinaryReader br = new BinaryReader(fs))
{
bytes = br.ReadBytes(Marshal.SizeOf(typeof(SMapRegionHeader)));
Header = (SMapRegionHeader)RegionUtility.ByteToStruct(bytes, typeof(SMapRegionHeader));
for (int i = 0; i < Header.iNumRegion; ++i)
{
int id = br.ReadInt32();
int nGridNum = br.ReadInt32();
if (id == 0 && skipId0) //跳过id0
{
//跳过读取数据
br.ReadBytes(nGridNum * Marshal.SizeOf(typeof(uint)));
continue;
}
//Vector2 mins = new Vector2(99999.0f, 99999.0f);
//Vector2 maxs = new Vector2(-99999.0f, -99999.0f);
HashSet <uint> gridSet = new HashSet <uint>();
for (int k = 0; k < nGridNum; ++k)
{
uint data = br.ReadUInt32();
gridSet.Add(data);
}
FileRegion fileRegion = new FileRegion();
fileRegion.Id = id;
fileRegion.GridNum = nGridNum;
fileRegion.RegionGridSet = gridSet;
//添加region
_regionMap.Add(fileRegion.Id, fileRegion);
_regionOrderList.Add(fileRegion);
}
}
}
}
catch (IOException)
{
return(false);
}
_regionOrderList.Sort(CompareFileRegion);
_fInvGridSize = 1.0f / Header.fGridSize;
_fLeft = -Header.fWorldWid * 0.5f;
_fTop = Header.fWorldLen * 0.5f;
return(true);
}
public FileMapRegion()
{
Header = new SMapRegionHeader();
_regionOrderList = new List <FileRegion>();
_regionMap = new Dictionary <int, FileRegion>();
_PtToRegionSetMap = new Dictionary <int, Dictionary <uint, int> >();
//_fileRegionMaxRectList = new List<FileRegionMaxRect>();
}
public bool ReadFile(string filename)
{
_regionOrderList.Clear();
_regionMap.Clear();
if (!File.Exists(filename))
{
return(false);
}
try
{
byte[] bytes;
using (FileStream fs = new FileStream(filename, FileMode.Open, FileAccess.Read))
{
using (BinaryReader br = new BinaryReader(fs))
{
bytes = br.ReadBytes(Marshal.SizeOf(typeof(SMapRegionHeader)));
Header = (SMapRegionHeader)RegionUtility.ByteToStruct(bytes, typeof(SMapRegionHeader));
for (int i = 0; i < Header.iNumRegion; ++i)
{
FileRegion fileRegion = new FileRegion();
fileRegion.Id = br.ReadInt32();
fileRegion.GridNum = br.ReadInt32();
HashSet <uint> gridSet = new HashSet <uint>();
for (int k = 0; k < fileRegion.GridNum; ++k)
{
uint data = br.ReadUInt32();
gridSet.Add(data);
}
fileRegion.RegionGridSet = gridSet;
//添加region
_regionMap.Add(fileRegion.Id, fileRegion);
_regionOrderList.Add(fileRegion);
}
}
}
}
catch (Exception ex)
{
return(false);
}
_regionOrderList.Sort(CompareFileRegion);
_fInvGridSize = 1.0f / Header.fGridSize;
_fLeft = -Header.fWorldWid * 0.5f;
_fTop = Header.fWorldLen * 0.5f;
return(true);
}