private void MoveSphere(Vector2 mouseScreenPos)
{
// Borrowed from Stride documentation
var invViewProj = Matrix.Invert(playerInputCamera.ViewProjectionMatrix);
Vector3 sPos;
sPos.X = mouseScreenPos.X * 2f - 1f;
sPos.Y = 1f - mouseScreenPos.Y * 2f;
sPos.Z = 0f;
var vectorNear = Vector3.Transform(sPos, invViewProj);
vectorNear /= vectorNear.W;
sPos.Z = 1f;
var vectorFar = Vector3.Transform(sPos, invViewProj);
vectorFar /= vectorFar.W;
resultList.Clear();
this.GetSimulation().RaycastPenetrating(vectorNear.XYZ(), vectorFar.XYZ(),
resultList, CollisionFilterGroups.DefaultFilter, CollisionFilterGroupFlags.CustomFilter10);
if (!resultList.Any())
{
Log.Debug($"Destination point could not be found, are you clicking ground?");
return;
}
var targetPosition = resultList.First().Point;
sphere.Transform.Position = new Vector3(targetPosition.X, .5f, targetPosition.Z);
Log.Debug($"Sphere position has been updated.");
}
/// <summary>
/// write transaction's raw page data into journal
/// </summary>
public void Write(LowLevelTransaction tx, CompressedPagesResult pages, LazyTransactionBuffer lazyTransactionScratch)
{
var ptt = new Dictionary <long, PagePosition>(NumericEqualityComparer.BoxedInstanceInt64);
var cur4KbPos = _writePosIn4Kb;
Debug.Assert(pages.NumberOf4Kbs > 0);
UpdatePageTranslationTable(tx, _unusedPagesHashSetPool, ptt);
using (_locker2.Lock())
{
Debug.Assert(!_unusedPages.Any(_unusedPagesHashSetPool.Contains)); // We ensure there cannot be duplicates here (disjoint sets).
foreach (var item in _unusedPagesHashSetPool)
{
_unusedPages.Add(item);
}
}
_unusedPagesHashSetPool.Clear();
if (tx.IsLazyTransaction == false && (lazyTransactionScratch == null || lazyTransactionScratch.HasDataInBuffer() == false))
{
try
{
_journalWriter.Write(cur4KbPos, pages.Base, pages.NumberOf4Kbs);
}
catch (Exception e)
{
_env.Options.SetCatastrophicFailure(ExceptionDispatchInfo.Capture(e));
throw;
}
}
else
{
if (lazyTransactionScratch == null)
{
throw new InvalidOperationException("lazyTransactionScratch cannot be null if the transaction is lazy (or a previous one was)");
}
lazyTransactionScratch.EnsureSize(_journalWriter.NumberOfAllocated4Kb);
lazyTransactionScratch.AddToBuffer(cur4KbPos, pages);
// non lazy tx will add itself to the buffer and then flush scratch to journal
if (tx.IsLazyTransaction == false ||
lazyTransactionScratch.NumberOfPages > tx.Environment.ScratchBufferPool.GetAvailablePagesCount() / 2)
{
try
{
lazyTransactionScratch.WriteBufferToFile(this, tx);
}
catch (Exception e)
{
_env.Options.SetCatastrophicFailure(ExceptionDispatchInfo.Capture(e));
throw;
}
}
else
{
lazyTransactionScratch.EnsureHasExistingReadTransaction(tx);
}
}
using (_locker2.Lock())
{
_pageTranslationTable.SetItems(tx, ptt);
// it is important that the last write position will be set
// _after_ the PTT update, because a flush that is concurrent
// with the write will first get the WritePosIn4KB and then
// do the flush based on the PTT. Worst case, we'll flush
// more then we need, but won't get into a position where we
// think we flushed, and then realize that we didn't.
Interlocked.Add(ref _writePosIn4Kb, pages.NumberOf4Kbs);
}
}
/// <summary>
/// write transaction's raw page data into journal
/// </summary>
public void Write(LowLevelTransaction tx, CompressedPagesResult pages, LazyTransactionBuffer lazyTransactionScratch)
{
var ptt = new Dictionary <long, PagePosition>(NumericEqualityComparer.Instance);
var cur4KbPos = _writePosIn4Kb;
Debug.Assert(pages.NumberOf4Kbs > 0);
UpdatePageTranslationTable(tx, _unusedPagesHashSetPool, ptt);
using (_locker2.Lock())
{
_writePosIn4Kb += pages.NumberOf4Kbs;
Debug.Assert(!_unusedPages.Any(_unusedPagesHashSetPool.Contains)); // We ensure there cannot be duplicates here (disjoint sets).
foreach (var item in _unusedPagesHashSetPool)
{
_unusedPages.Add(item);
}
}
_unusedPagesHashSetPool.Clear();
if (tx.IsLazyTransaction == false && (lazyTransactionScratch == null || lazyTransactionScratch.HasDataInBuffer() == false))
{
try
{
_journalWriter.Write(cur4KbPos, pages.Base, pages.NumberOf4Kbs);
}
catch (Exception e)
{
_env.Options.SetCatastrophicFailure(ExceptionDispatchInfo.Capture(e));
throw;
}
}
else
{
if (lazyTransactionScratch == null)
{
throw new InvalidOperationException("lazyTransactionScratch cannot be null if the transaction is lazy (or a previous one was)");
}
lazyTransactionScratch.EnsureSize(_journalWriter.NumberOfAllocated4Kb);
lazyTransactionScratch.AddToBuffer(cur4KbPos, pages);
// non lazy tx will add itself to the buffer and then flush scratch to journal
if (tx.IsLazyTransaction == false ||
lazyTransactionScratch.NumberOfPages > tx.Environment.ScratchBufferPool.GetAvailablePagesCount() / 2)
{
try
{
lazyTransactionScratch.WriteBufferToFile(this, tx);
}
catch (Exception e)
{
_env.Options.SetCatastrophicFailure(ExceptionDispatchInfo.Capture(e));
throw;
}
}
else
{
lazyTransactionScratch.EnsureHasExistingReadTransaction(tx);
}
}
using (_locker2.Lock())
{
_pageTranslationTable.SetItems(tx, ptt);
}
}
