public static FloorCells LoadCellFile(string name)
{
FloorCells floorCells = new FloorCells();
var path = Path.Combine(name + ms_fileExtension + ms_byteExtension);
using (BinaryReader br = new BinaryReader(File.OpenRead(path)))
{
floorCells.config.fCellSize = br.ReadSingle();
floorCells.config.fMinX = br.ReadSingle();
floorCells.config.fMinZ = br.ReadSingle();
floorCells.config.fBoundMin = br.ReadSingle();
floorCells.config.fBoundMax = br.ReadSingle();
floorCells.config.nWidth = br.ReadInt32();
floorCells.config.nHeight = br.ReadInt32();
FLOOR_CELL cell = new global::FLOOR_CELL();
floorCells.cellsDictionary = new Dictionary <int, FLOOR_CELL>();
floorCells.cellsHashTable = new Hashtable();
var cellCount = br.ReadInt32();
for (int i = 0; i < cellCount; ++i)
{
var key = br.ReadInt32();
cell.cellInfo = br.ReadInt32();
floorCells.cellsDictionary.Add(key, cell);
floorCells.cellsHashTable.Add(key, cell);
}
var heightCount = br.ReadInt32();
floorCells.heightsArray = new float[heightCount];
for (int i = 0; i < heightCount; ++i)
{
floorCells.heightsArray[i] = ToFloatHeight(br.ReadUInt16(), floorCells.Config.fBoundMin, floorCells.Config.fBoundMax);
}
}
return(floorCells);
}
public static void Main()
{
float[] elapsed = { .0f, 0.0f };
FloorCells cells = LoadCellFile("DXC_HomeTown");
const int N = 9000000;
Random rand = new Random();
float height = .0f;
int groundType = 0;
Vector3 pos = new Vector3();
Stopwatch sw = Stopwatch.StartNew();
sw.Start();
cells.useHashTable = true;
for (int i = 0; i < N; ++i)
{
pos.x = (float)rand.NextDouble() * cells.Config.nWidth * cells.Config.fCellSize + cells.Config.fMinX;
pos.z = (float)rand.NextDouble() * cells.Config.nHeight * cells.Config.fCellSize + cells.Config.fMinZ;
cells.GetFloor(pos, ref height, ref groundType);
}
sw.Stop();
elapsed[0] = sw.ElapsedMilliseconds;
sw.Reset();
sw.Start();
cells.useHashTable = false;
for (int i = 0; i < N; ++i)
{
pos.x = (float)rand.NextDouble() * cells.Config.nWidth * cells.Config.fCellSize + cells.Config.fMinX;
pos.z = (float)rand.NextDouble() * cells.Config.nHeight * cells.Config.fCellSize + cells.Config.fMinZ;
cells.GetFloor(pos, ref height, ref groundType);
}
sw.Stop();
elapsed[1] = sw.ElapsedMilliseconds;
Console.WriteLine("Hash:{0}, Dict:{1}", elapsed[0], elapsed[1]);
}