private bool TryAddCellRequest(RequestCollector collector, LodLevel parentLod, MyCellCoord cell, ulong cellId, CellData data)
{
var shiftToParent = MyVoxelCoordSystems.RenderCellSizeShiftToLessDetailed(cell.Lod);
var parentCell = parentLod != null ? new MyCellCoord(parentLod.m_lodIndex, cell.CoordInLod >> shiftToParent) : cell;
BoundingBoxD worldAABB;
MyVoxelCoordSystems.RenderCellCoordToWorldAABB(m_clipmap.m_worldMatrix.Translation, ref parentCell, out worldAABB);
worldAABB.Inflate(-1.0f * m_lodIndex * m_lodIndex);
var parentCellId = parentCell.PackId64();
//if (PriorityFunc(worldAABB.Center, parentLod, parentCellId) == int.MaxValue) //this cell would just slow down sorting, it will be added again if needed
// return false;
collector.AddRequest(cellId, data.WasLoaded, () => PriorityFunc(worldAABB, parentLod, parentCellId, cell), (c) => DebugDrawJob(c, worldAABB));
data.State = CellState.Pending;
return(true);
}
internal void KeepOrDiscardClippedCells(RequestCollector collector)
{
LodLevel parentLod, childLod;
GetNearbyLodLevels(out parentLod, out childLod);
MyCellCoord thisLodCell = new MyCellCoord();
foreach (var entry in m_clippedCells)
{
var data = entry.Value;
bool needed = false;
// too far, but less detailed data might be missing so we still check parent
thisLodCell.SetUnpack(entry.Key);
needed = !WasAncestorCellLoaded(parentLod, ref thisLodCell);
if (needed)
{
if (data.State == CellState.Invalid)
{
collector.AddRequest(entry.Key, data.WasLoaded);
data.State = CellState.Pending;
}
m_storedCellData.Add(entry.Key, data);
}
else
{
if (data.State == CellState.Pending)
{
collector.CancelRequest(entry.Key);
}
if (data.Cell != null)
{
Delete(entry.Key, data);
}
}
}
m_clippedCells.Clear();
}
internal void DoClipping(Vector3D localPosition, float farPlaneDistance, RequestCollector collector)
{
MyClipmap.ComputeLodViewBounds(m_parent.m_scaleGroup, m_lodIndex, out m_nearDistance, out m_farDistance);
m_fitsInFrustum = (farPlaneDistance * 1.25f) > m_nearDistance;
if (!m_fitsInFrustum)
{
return;
}
Vector3I min, max;
{
var minD = localPosition - m_farDistance;
var maxD = localPosition + m_farDistance;
MyVoxelCoordSystems.LocalPositionToRenderCellCoord(m_lodIndex, ref minD, out min);
MyVoxelCoordSystems.LocalPositionToRenderCellCoord(m_lodIndex, ref maxD, out max);
Vector3I.Clamp(ref min, ref Vector3I.Zero, ref m_lodSizeMinusOne, out min);
Vector3I.Clamp(ref max, ref Vector3I.Zero, ref m_lodSizeMinusOne, out max);
}
if (m_lastMin == min && m_lastMax == max && !m_parent.m_updateClipping)
{
return;
}
m_lastMin = min;
m_lastMax = max;
LodLevel parentLod, childLod;
GetNearbyLodLevels(out parentLod, out childLod);
// Moves cells which are still needed from one collection to another.
// All that is left behind is unloaded as no longer needed.
// Move everything in range to collection of next stored cells.
MyUtils.Swap(ref m_storedCellData, ref m_clippedCells);
m_storedCellData.Clear();
MyCellCoord cell = new MyCellCoord(m_lodIndex, ref min);
for (var it = new Vector3I.RangeIterator(ref min, ref max);
it.IsValid(); it.GetNext(out cell.CoordInLod))
{
if (!WasAncestorCellLoaded(parentLod, ref cell))
{
continue;
}
var cellId = cell.PackId64();
CellData data;
if (m_clippedCells.TryGetValue(cellId, out data))
{
m_clippedCells.Remove(cellId);
}
else
{
data = new CellData();
}
if (data.State == CellState.Invalid)
{
collector.AddRequest(cellId, data.WasLoaded);
data.State = CellState.Pending;
}
m_storedCellData.Add(cellId, data);
}
}
private void UnclipCell(RequestCollector collector, MyCellCoord cell, bool isVisible)
{
var cellId = cell.PackId64();
var clipmapCellId = MyCellCoord.GetClipmapCellHash(m_clipmap.Id, cellId);
CellData data;
if (isVisible)
{
bool highPriority = true;
if (m_clippedCells.TryGetValue(cellId, out data))
{
m_clippedCells.Remove(cellId);
}
else
{
highPriority = false;
CellBlendData blendData;
if (!m_blendedCells.TryGetValue(cellId, out blendData))
{
data = CellsCache.Read(clipmapCellId);
if (data == null) //cache miss
{
data = new CellData();
ClippingCacheMisses++;
}
else
{
//cache hit
ClippingCacheHits++;
//System.Diagnostics.Debug.Assert((!data.InScene && data.Cell != null) || data.Cell == null, "Not allowed cell state");
data.InScene = false;
if (data.Cell != null)
{
m_nonEmptyCells[cellId] = data;
}
}
}
else
{
data = blendData.CellData;
if (blendData.State == BlendState.Removing)
{
blendData.UndoAfterFinish = true;
}
if (data.Cell != null)
{
m_nonEmptyCells[cellId] = data;
}
}
}
if (data.State == CellState.Invalid)
{
if (MyClipmap.UseQueries)
{
BoundingBoxD bbd;
MyVoxelCoordSystems.RenderCellCoordToLocalAABB(ref cell, out bbd);
BoundingBox bb = new BoundingBox(bbd);
if (m_clipmap.m_prunningFunc == null || m_clipmap.m_prunningFunc(ref bb, false) == ContainmentType.Intersects)
{
collector.AddRequest(cellId, data, highPriority);
}
else
{
data.State = CellState.Loaded;
data.WasLoaded = true;
}
}
else
{
collector.AddRequest(cellId, data, highPriority);
}
}
m_storedCellData.Add(cellId, data);
data.ReadyInClipmap = true;
data.ClippedOut = false;
}
else
{
if (!m_storedCellData.ContainsKey(cellId) && (!PendingCacheCellData.ContainsKey(clipmapCellId) || PendingCacheCellData[clipmapCellId].State == CellState.Invalid) && CellsCache.Read(clipmapCellId) == null)
{
if (!PendingCacheCellData.TryGetValue(clipmapCellId, out data))
{
data = new CellData();
PendingCacheCellData.Add(clipmapCellId, data);
}
if (MyClipmap.UseQueries)
{
BoundingBoxD bbd;
MyVoxelCoordSystems.RenderCellCoordToLocalAABB(ref cell, out bbd);
BoundingBox bb = new BoundingBox(bbd);
if (m_clipmap.m_prunningFunc == null || m_clipmap.m_prunningFunc(ref bb, false) == ContainmentType.Intersects)
{
data.State = CellState.Invalid;
collector.AddRequest(cellId, data, false);
}
else
{
data.State = CellState.Loaded;
data.WasLoaded = true;
}
}
else
{
data.State = CellState.Invalid;
collector.AddRequest(cellId, data, false);
}
}
}
}
internal void KeepOrDiscardClippedCells(RequestCollector collector)
{
LodLevel parentLod, childLod;
GetNearbyLodLevels(out parentLod, out childLod);
MyCellCoord thisLodCell = new MyCellCoord();
foreach (var entry in m_clippedCells)
{
var data = entry.Value;
bool needed = false;
// too far, but less detailed data might be missing so we still check parent
thisLodCell.SetUnpack(entry.Key);
needed = !WasAncestorCellLoaded(parentLod, ref thisLodCell);
if (needed)
{
if (data.State == CellState.Invalid)
{
collector.AddRequest(entry.Key, data.WasLoaded);
data.State = CellState.Pending;
}
m_storedCellData.Add(entry.Key, data);
}
else
{
if (data.State == CellState.Pending)
collector.CancelRequest(entry.Key);
if (data.Cell != null)
Delete(entry.Key, data);
}
}
m_clippedCells.Clear();
}
internal void DoClipping(Vector3D localPosition, float farPlaneDistance, RequestCollector collector)
{
MyClipmap.ComputeLodViewBounds(m_parent.m_scaleGroup, m_lodIndex, out m_nearDistance, out m_farDistance);
m_fitsInFrustum = (farPlaneDistance * 1.25f) > m_nearDistance;
if (!m_fitsInFrustum)
return;
Vector3I min, max;
{
var minD = localPosition - m_farDistance;
var maxD = localPosition + m_farDistance;
MyVoxelCoordSystems.LocalPositionToRenderCellCoord(ref minD, out min);
MyVoxelCoordSystems.LocalPositionToRenderCellCoord(ref maxD, out max);
Vector3I.Max(ref min, ref Vector3I.Zero, out min);
Vector3I.Max(ref max, ref Vector3I.Zero, out max);
min >>= m_lodIndex;
max >>= m_lodIndex;
Vector3I.Min(ref min, ref m_lodSizeMinusOne, out min);
Vector3I.Min(ref max, ref m_lodSizeMinusOne, out max);
}
if (m_lastMin == min && m_lastMax == max && !m_parent.m_updateClipping)
return;
m_lastMin = min;
m_lastMax = max;
LodLevel parentLod, childLod;
GetNearbyLodLevels(out parentLod, out childLod);
// Moves cells which are still needed from one collection to another.
// All that is left behind is unloaded as no longer needed.
// Move everything in range to collection of next stored cells.
MyUtils.Swap(ref m_storedCellData, ref m_clippedCells);
m_storedCellData.Clear();
MyCellCoord cell = new MyCellCoord(m_lodIndex, ref min);
for (var it = new Vector3I.RangeIterator(ref min, ref max);
it.IsValid(); it.GetNext(out cell.CoordInLod))
{
if (!WasAncestorCellLoaded(parentLod, ref cell))
continue;
var cellId = cell.PackId64();
CellData data;
if (m_clippedCells.TryGetValue(cellId, out data))
m_clippedCells.Remove(cellId);
else
data = new CellData();
if (data.State == CellState.Invalid)
{
collector.AddRequest(cellId, data.WasLoaded);
data.State = CellState.Pending;
}
m_storedCellData.Add(cellId, data);
}
}
private void UnclipCell(RequestCollector collector, MyCellCoord cell, bool isVisible)
{
var cellId = cell.PackId64();
var clipmapCellId = MyCellCoord.GetClipmapCellHash(m_clipmap.Id, cellId);
MyClipmap_CellData data;
if (isVisible)
{
bool highPriority = true;
if (m_clippedCells.TryGetValue(cellId, out data))
{
m_clippedCells.Remove(cellId);
}
else
{
highPriority = false;
CellBlendData blendData;
if (!m_blendedCells.TryGetValue(cellId, out blendData))
{
data = CellsCache.Read(clipmapCellId);
if (data == null) //cache miss
{
data = new MyClipmap_CellData();
ClippingCacheMisses++;
}
else
{
//cache hit
ClippingCacheHits++;
//System.Diagnostics.Debug.Assert((!data.InScene && data.Cell != null) || data.Cell == null, "Not allowed cell state");
data.InScene = false;
if (data.Cell != null)
{
m_nonEmptyCells[cellId] = data;
}
}
}
else
{
data = blendData.CellData;
if (blendData.State == BlendState.Removing)
blendData.UndoAfterFinish = true;
if (data.Cell != null)
{
m_nonEmptyCells[cellId] = data;
}
}
}
if (data.State == CellState.Invalid)
{
if (MyClipmap.UseQueries)
{
BoundingBoxD bbd;
MyVoxelCoordSystems.RenderCellCoordToLocalAABB(ref cell, out bbd);
BoundingBox bb = new BoundingBox(bbd);
if (m_clipmap.m_prunningFunc == null || m_clipmap.m_prunningFunc(ref bb, false) == ContainmentType.Intersects)
{
collector.AddRequest(cellId, data, highPriority);
}
else
{
data.State = CellState.Loaded;
data.WasLoaded = true;
}
}
else
collector.AddRequest(cellId, data, highPriority);
}
m_storedCellData.Add(cellId, data);
data.ReadyInClipmap = true;
data.ClippedOut = false;
}
else
{
if (!m_storedCellData.ContainsKey(cellId) && (!PendingCacheCellData.ContainsKey(clipmapCellId) || PendingCacheCellData[clipmapCellId].State == CellState.Invalid) && CellsCache.Read(clipmapCellId) == null)
{
if (!PendingCacheCellData.TryGetValue(clipmapCellId, out data))
{
data = new MyClipmap_CellData();
PendingCacheCellData.Add(clipmapCellId, data);
}
if (MyClipmap.UseQueries)
{
BoundingBoxD bbd;
MyVoxelCoordSystems.RenderCellCoordToLocalAABB(ref cell, out bbd);
BoundingBox bb = new BoundingBox(bbd);
if (m_clipmap.m_prunningFunc == null || m_clipmap.m_prunningFunc(ref bb, false) == ContainmentType.Intersects)
{
data.State = CellState.Invalid;
collector.AddRequest(cellId, data, false);
}
else
{
data.State = CellState.Loaded;
data.WasLoaded = true;
}
}
else
{
data.State = CellState.Invalid;
collector.AddRequest(cellId, data, false);
}
}
}
}
private bool TryAddCellRequest(RequestCollector collector, LodLevel parentLod, MyCellCoord cell, ulong cellId, CellData data)
{
var shiftToParent = MyVoxelCoordSystems.RenderCellSizeShiftToLessDetailed(cell.Lod);
var parentCell = parentLod != null ? new MyCellCoord(parentLod.m_lodIndex, cell.CoordInLod >> shiftToParent) : cell;
BoundingBoxD worldAABB;
MyVoxelCoordSystems.RenderCellCoordToWorldAABB(m_clipmap.m_worldMatrix.Translation, ref parentCell, out worldAABB);
worldAABB.Inflate(-1.0f * m_lodIndex * m_lodIndex);
var parentCellId = parentCell.PackId64();
//if (PriorityFunc(worldAABB.Center, parentLod, parentCellId) == int.MaxValue) //this cell would just slow down sorting, it will be added again if needed
// return false;
collector.AddRequest(cellId, data.WasLoaded, () => PriorityFunc(worldAABB, parentLod, parentCellId, cell), (c) => DebugDrawJob(c, worldAABB));
data.State = CellState.Pending;
return true;
}
