/// <summary>
/// Creates the bucket.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>System.String.</returns>
private HttpStatusCode CreateBucket(CreateBucketRequest request)
{
try
{
request.BucketName = request.BucketName.ToLower();
if (string.IsNullOrEmpty(request.BucketName))
{
return(HttpStatusCode.BadRequest);
}
if (Buckets.ContainsKey(request.BucketName))
{
return(HttpStatusCode.BadRequest);
}
Buckets.Add(request.BucketName, DataBucket.CreateNewBucket(request.BucketName, DbLocation, request.MaxRecordSize, request.MaxRecordsPerBin));
return(HttpStatusCode.OK);
}
catch (Exception ex)
{
return(HttpStatusCode.InternalServerError);
}
}
/// <summary>
/// 根据Bound 粗测阶段
/// </summary>
/// <param name="bodies"></param>
/// <param name="forceUpdate"></param>
private void UpdateBroadphase(List <Body> bodies, bool forceUpdate)
{
var gridChanged = false;
foreach (var body in bodies
.Where(body => forceUpdate || !body.Sleep)
.Where(
body =>
!(body.Bounds.Max.X < World.Bounds.Min.X) && !(body.Bounds.Min.X > World.Bounds.Max.X) &&
!(body.Bounds.Max.Y < World.Bounds.Min.Y) && !(body.Bounds.Min.Y > World.Bounds.Max.Y)))
{
var newRegion = GetRegion(body);
if (body.Region == null || newRegion.GetId() != body.Bounds.GetId() || forceUpdate)
{
if (body.Region == null || forceUpdate)
{
body.Region = newRegion;
}
var union = newRegion.Union(body.Region);
for (var x = union.Min.X; x <= union.Max.X; x++)
{
for (var y = union.Min.Y; y <= union.Max.Y; y++)
{
var bucketId = x + "," + y;
var bucketExists = Buckets.ContainsKey(bucketId);
var isInsideNewRegion = newRegion.Contains(x, y);
var isInsideOldRegion = body.Region.Contains(x, y);
if (!isInsideNewRegion && isInsideOldRegion)
{
if (bucketExists)
{
var bucket = Buckets[bucketId];
bucket.Remove(body);
foreach (var pair in from _body in bucket
select Helper.GetPairId(body, _body)
into pairId
where _tmpPairs.ContainsKey(pairId)
select _tmpPairs[pairId])
{
pair.Count--;
}
}
}
if (body.Region == newRegion || (isInsideNewRegion && !isInsideOldRegion) || forceUpdate)
{
var bucket = bucketExists ? Buckets[bucketId] : new List <Body>();
if (!bucketExists)
{
Buckets.Add(bucketId, bucket);
}
foreach (var bodyB in bucket)
{
if (body.Id.Value == bodyB.Id.Value || (body.Static && bodyB.Static))
{
continue;
}
var pairId = Helper.GetPairId(body, bodyB);
TmpPair pair;
if (_tmpPairs.TryGetValue(pairId, out pair))
{
pair.Count++;
}
else
{
_tmpPairs.Add(pairId, new TmpPair(body, bodyB, 1));
}
}
bucket.Add(body);
}
}
}
body.Region = newRegion;
gridChanged = true;
}
}
if (gridChanged)
{
_tmpPairsList = _tmpPairs.Values.Where(x => x.Count > 0).ToList();
_tmpPairs = _tmpPairs.Where(x => x.Value.Count > 0).ToDictionary(x => x.Key, x => x.Value);
}
}