private void Update(ref Vector3D cameraPos, ref Vector3 cameraForward, float farPlaneDistance)
{
ProfilerShort.Begin("MyRenderClipmap.Update");
LastCameraPosition = cameraPos;
if (!Environment.Is64BitProcess)
{
UseCache = false;
}
if (NeedsResetCache)
{
MyClipmap.CellsCache.Reset();
NeedsResetCache = false;
}
for (uint lod = 0; lod < m_lodLevels.Length; lod++)
{
if (m_lodLevels[lod].IsDitheringInProgress())
{
m_lodLevels[lod].UpdateDithering();
}
}
Vector3D localPosition;
Vector3D.Transform(ref cameraPos, ref m_invWorldMatrix, out localPosition);
Vector3 localForward;
Vector3.TransformNormal(ref cameraForward, ref m_invWorldMatrix, out localForward);
double cellSizeHalf = MyVoxelCoordSystems.RenderCellSizeInMetersHalf(0);
double threshold = cellSizeHalf / 4.0f;
float thresholdRotation = 0.03f;
if (!m_updateClippingFrustum && (Vector3D.DistanceSquared(localPosition, m_lastClippingPosition) > threshold) || (Vector3.DistanceSquared(localForward, m_lastClippingForward) > thresholdRotation) || m_invalidated > 0)
{
ResetClipping();
m_lastClippingPosition = localPosition;
m_lastClippingForward = localForward;
}
float camDistanceFromCenter = Vector3.Distance(m_massiveCenter, cameraPos);
if (m_requestCollector.SentRequestsEmpty && m_updateClippingFrustum)
{
ProfilerShort.Begin("DoClipping");
//Top priority for 0 lod when invalidated (drill)
if (m_invalidated == 2)
{
m_lodLevels[0].DoClipping(camDistanceFromCenter, localPosition, farPlaneDistance, m_requestCollector, true, 1);
m_lodLevels[0].DiscardClippedCells(m_requestCollector);
m_lodLevels[0].UpdateCellsInScene(camDistanceFromCenter, localPosition);
if (!m_requestCollector.SentRequestsEmpty)
{
m_requestCollector.Submit();
ProfilerShort.End(); // DoClipping
ProfilerShort.End(); // Update
return;
}
m_updateClippingFrustum = false;
m_invalidated = 1;
}
else
{
//Most important frustum culling
for (int lod = m_lodLevels.Length - 1; lod >= 0; --lod)
{
ProfilerShort.Begin("Lod " + lod);
m_lodLevels[lod].DoClipping(camDistanceFromCenter, localPosition, farPlaneDistance, m_requestCollector, true, 1);
ProfilerShort.End();
}
//ProfilerShort.End();
ProfilerShort.Begin("KeepOrDiscardClippedCells");
for (int lod = m_lodLevels.Length - 1; lod >= 0; --lod)
{
m_lodLevels[lod].DiscardClippedCells(m_requestCollector);
}
ProfilerShort.End();
ProfilerShort.Begin("UpdateCellsInScene");
for (int lod = m_lodLevels.Length - 1; lod >= 0; --lod)
{
m_lodLevels[lod].UpdateCellsInScene(camDistanceFromCenter, localPosition);
}
ProfilerShort.End();
if (!m_requestCollector.SentRequestsEmpty)
{
m_requestCollector.Submit();
ProfilerShort.End(); // DoClipping
ProfilerShort.End(); // Update
return;
}
m_invalidated = 0;
m_notReady.Remove(this);
m_updateClippingFrustum = false;
}
ProfilerShort.End();
}
ProfilerShort.End();
}
private void Update(ref Vector3D cameraPos, float farPlaneDistance)
{
ProfilerShort.Begin("MyRenderClipmap.Update");
Vector3D localPosition;
Vector3D.Transform(ref cameraPos, ref m_invWorldMatrix, out localPosition);
double cellSizeHalf = MyVoxelCoordSystems.RenderCellSizeInMetersHalf(0);
double threshold = cellSizeHalf * cellSizeHalf;
if (!m_updateClipping && Vector3D.DistanceSquared(localPosition, m_lastClippingPosition) > threshold)
{
m_updateClipping = true;
}
//modified clipping routine
//we clip only when there are no old requests since we are not able to combine
//multiple clippings reasonably
//(need the structure to hold and merge result otherwise holes are inevitable)
if (!m_updateClipping && m_requestCollector.SentRequestsEmpty && m_clipingAdjustment < 5)
{
m_clipingAdjustment += 2;
m_updateClipping = true;
}
if (m_updateClipping)
{
m_requestCollector.Submit();
if (m_requestCollector.SentRequestsEmpty)
{
ProfilerShort.Begin("KeepOrDiscardClippedCells");
for (int lod = m_lodLevels.Length - 1; lod >= 0; --lod)
{
m_lodLevels[lod].KeepOrDiscardClippedCells(m_requestCollector);
}
ProfilerShort.End();
if (!ENABLE_CLIPPING_ADJUSTMENT)
{
m_clipingAdjustment = 1;
}
var startLod = MathHelper.Clamp(-1 * m_clipingAdjustment, 0, m_lodLevels.Length - 1);
ProfilerShort.Begin("DoClipping");
if (NEW_VOXEL_CLIPPING)
{
m_lodLevels[startLod].DoClipping(localPosition, m_requestCollector, MathHelper.Clamp(m_clipingAdjustment, 0, 5));
}
else
{
Debug.Assert(m_scaleGroup == MyClipmapScaleEnum.Normal);
for (int lod = m_lodLevels.Length - 1; lod >= 0; --lod)
{
ProfilerShort.Begin("Lod " + lod);
m_lodLevels[lod].DoClipping_Old(localPosition, farPlaneDistance, m_requestCollector);
ProfilerShort.End();
}
}
ProfilerShort.End();
if (m_requestCollector.SentRequestsEmpty)
{
m_clipingAdjustment += 2;
}
}
//else
// m_clipingAdjustment -= 2;
m_lastClippingPosition = localPosition;
m_updateClipping = false;
}
ProfilerShort.Begin("UpdateCellsInScene");
for (int lod = m_lodLevels.Length - 1; lod >= 0; --lod)
{
m_lodLevels[lod].UpdateCellsInScene(localPosition);
}
ProfilerShort.End();
m_clipingAdjustment = MathHelper.Clamp(m_clipingAdjustment, -m_lodLevels.Length + 3, 5);
m_requestCollector.Submit();
if (m_requestCollector.SentRequestsEmpty)
{
m_notReady.Remove(this);
}
ProfilerShort.End();
}
