public Vector3 CalculateRezLocation(
RezObjectParams rezparams,
Vector3 scale)
{
Vector3 pos = rezparams.RayEnd + new Vector3(0, 0, scale.Z / 2f);
if (rezparams.RayEndIsIntersection)
{
return(rezparams.RayEnd);
}
Vector3 projectedWaterLocation = Vector3.Zero;
double waterHeight = RegionSettings.WaterHeight;
if (rezparams.RayStart.Z > waterHeight && rezparams.RayEnd.Z < waterHeight)
{
Vector3 dir = rezparams.RayEnd - rezparams.RayStart;
double ratio = (waterHeight - rezparams.RayStart.Z) / dir.Z;
projectedWaterLocation = rezparams.RayStart;
projectedWaterLocation.X += ratio * dir.X;
projectedWaterLocation.Y += ratio * dir.Y;
projectedWaterLocation.Z = waterHeight;
}
else
{
projectedWaterLocation.Z = waterHeight;
}
ObjectPart target;
if (Primitives.TryGetValue(rezparams.RayTargetID, out target))
{
pos = target.GlobalPosition;
}
RayResult[] results = PhysicsScene.RayTest(rezparams.RayStart, pos);
if (rezparams.RayTargetID != UUID.Zero)
{
foreach (RayResult ray in results)
{
if (ray.PartId == rezparams.RayTargetID)
{
return(CalculateTargetedRezLocation(ray, scale, projectedWaterLocation));
}
}
}
else
{
foreach (RayResult ray in results)
{
if (ray.IsTerrain)
{
return(CalculateTargetedRezLocation(ray, scale, projectedWaterLocation));
}
}
}
if (results.Length > 0)
{
return(CalculateTargetedRezLocation(results[0], scale, projectedWaterLocation));
}
else
{
pos = rezparams.RayEnd;
LocationInfo info = GetLocationInfoProvider().At(pos);
pos.Z = info.GroundHeight;
if (pos.Z < info.WaterHeight && rezparams.RayStart.Z >= info.WaterHeight)
{
pos.Z = info.WaterHeight;
}
pos.Z += scale.Z * 0.5;
}
return(pos);
}