| public GetCrossedBorder ( Vector3 position, Cardinals gridline ) : Border | ||
| position | Vector3 | |
| gridline | Cardinals | |
| return | Border | |
public Border GetCrossedBorder(Vector3 position, Cardinals gridline)
{
if (BordersLocked)
{
switch (gridline)
{
case Cardinals.N:
lock (NorthBorders)
{
foreach (Border b in NorthBorders)
{
if (b.TestCross(position))
return b;
}
}
break;
case Cardinals.S:
lock (SouthBorders)
{
foreach (Border b in SouthBorders)
{
if (b.TestCross(position))
return b;
}
}
break;
case Cardinals.E:
lock (EastBorders)
{
foreach (Border b in EastBorders)
{
if (b.TestCross(position))
return b;
}
}
break;
case Cardinals.W:
lock (WestBorders)
{
foreach (Border b in WestBorders)
{
if (b.TestCross(position))
return b;
}
}
break;
}
}
else
{
switch (gridline)
{
case Cardinals.N:
foreach (Border b in NorthBorders)
{
if (b.TestCross(position))
return b;
}
break;
case Cardinals.S:
foreach (Border b in SouthBorders)
{
if (b.TestCross(position))
return b;
}
break;
case Cardinals.E:
foreach (Border b in EastBorders)
{
if (b.TestCross(position))
return b;
}
break;
case Cardinals.W:
foreach (Border b in WestBorders)
{
if (b.TestCross(position))
return b;
}
break;
}
}
return null;
}
public GridRegion GetDestination(Scene scene, UUID agentID, Vector3 pos, out uint xDest, out uint yDest, out string version, out Vector3 newpos)
{
version = String.Empty;
newpos = new Vector3(pos.X, pos.Y, pos.Z);
// m_log.DebugFormat(
// "[ENTITY TRANSFER MODULE]: Crossing agent {0} at pos {1} in {2}", agent.Name, pos, scene.Name);
uint neighbourx = scene.RegionInfo.RegionLocX;
uint neighboury = scene.RegionInfo.RegionLocY;
const float boundaryDistance = 1.7f;
Vector3 northCross = new Vector3(0, boundaryDistance, 0);
Vector3 southCross = new Vector3(0, -1 * boundaryDistance, 0);
Vector3 eastCross = new Vector3(boundaryDistance, 0, 0);
Vector3 westCross = new Vector3(-1 * boundaryDistance, 0, 0);
// distance into new region to place avatar
const float enterDistance = 0.5f;
if (scene.TestBorderCross(pos + westCross, Cardinals.W))
{
if (scene.TestBorderCross(pos + northCross, Cardinals.N))
{
Border b = scene.GetCrossedBorder(pos + northCross, Cardinals.N);
neighboury += (uint)(int)(b.BorderLine.Z / (int)Constants.RegionSize);
}
else if (scene.TestBorderCross(pos + southCross, Cardinals.S))
{
neighboury--;
newpos.Y = Constants.RegionSize - enterDistance;
}
neighbourx--;
newpos.X = Constants.RegionSize - enterDistance;
}
else if (scene.TestBorderCross(pos + eastCross, Cardinals.E))
{
Border b = scene.GetCrossedBorder(pos + eastCross, Cardinals.E);
neighbourx += (uint)(int)(b.BorderLine.Z / (int)Constants.RegionSize);
newpos.X = enterDistance;
if (scene.TestBorderCross(pos + southCross, Cardinals.S))
{
neighboury--;
newpos.Y = Constants.RegionSize - enterDistance;
}
else if (scene.TestBorderCross(pos + northCross, Cardinals.N))
{
Border c = scene.GetCrossedBorder(pos + northCross, Cardinals.N);
neighboury += (uint)(int)(c.BorderLine.Z / (int)Constants.RegionSize);
newpos.Y = enterDistance;
}
}
else if (scene.TestBorderCross(pos + southCross, Cardinals.S))
{
Border b = scene.GetCrossedBorder(pos + southCross, Cardinals.S);
neighboury--;
newpos.Y = Constants.RegionSize - enterDistance;
}
else if (scene.TestBorderCross(pos + northCross, Cardinals.N))
{
Border b = scene.GetCrossedBorder(pos + northCross, Cardinals.N);
neighboury += (uint)(int)(b.BorderLine.Z / (int)Constants.RegionSize);
newpos.Y = enterDistance;
}
/*
if (pos.X < boundaryDistance) //West
{
neighbourx--;
newpos.X = Constants.RegionSize - enterDistance;
}
else if (pos.X > Constants.RegionSize - boundaryDistance) // East
{
neighbourx++;
newpos.X = enterDistance;
}
if (pos.Y < boundaryDistance) // South
{
neighboury--;
newpos.Y = Constants.RegionSize - enterDistance;
}
else if (pos.Y > Constants.RegionSize - boundaryDistance) // North
{
neighboury++;
newpos.Y = enterDistance;
}
*/
xDest = neighbourx;
yDest = neighboury;
int x = (int)(neighbourx * Constants.RegionSize), y = (int)(neighboury * Constants.RegionSize);
ulong neighbourHandle = Utils.UIntsToLong((uint)x, (uint)y);
ExpiringCache<ulong, DateTime> r;
DateTime banUntil;
if (m_bannedRegions.TryGetValue(agentID, out r))
{
if (r.TryGetValue(neighbourHandle, out banUntil))
{
if (DateTime.Now < banUntil)
return null;
r.Remove(neighbourHandle);
}
}
else
{
r = null;
}
GridRegion neighbourRegion = scene.GridService.GetRegionByPosition(scene.RegionInfo.ScopeID, (int)x, (int)y);
string reason;
if (!scene.SimulationService.QueryAccess(neighbourRegion, agentID, newpos, out version, out reason))
{
if (r == null)
{
r = new ExpiringCache<ulong, DateTime>();
r.Add(neighbourHandle, DateTime.Now + TimeSpan.FromSeconds(15), TimeSpan.FromSeconds(15));
m_bannedRegions.Add(agentID, r, TimeSpan.FromSeconds(45));
}
else
{
r.Add(neighbourHandle, DateTime.Now + TimeSpan.FromSeconds(15), TimeSpan.FromSeconds(15));
}
return null;
}
return neighbourRegion;
}
