// Checks if cell didn't change to FULL and if is, we set it to null
private void CheckIfCellChangedToFull(MyVoxelContentCell voxelCell, ref Vector3I cellCoord)
{
if (voxelCell.CellType == MyVoxelRangeType.FULL)
{
m_contentCells[ComputeCellIndex(ref cellCoord)] = null;
}
}
private void ReadRange(
MyStorageDataCache target,
MyVoxelContentCell cell,
ref Vector3I startInCell,
ref Vector3I endInCell,
ref Vector3I writeOffset)
{
Vector3I coordInCell;
Vector3I writeCoord;
byte? cellValue = null;
if (cell == null || cell.CellType == MyVoxelRangeType.FULL)
{
cellValue = MyVoxelConstants.VOXEL_CONTENT_FULL;
}
else if (cell != null && cell.CellType == MyVoxelRangeType.EMPTY)
{
cellValue = MyVoxelConstants.VOXEL_CONTENT_EMPTY;
}
var offset = writeOffset + startInCell;
if (cellValue.HasValue)
{ // write same value everywhere
var value = cellValue.Value;
for (coordInCell.Z = startInCell.Z, writeCoord.Z = offset.Z; coordInCell.Z <= endInCell.Z; ++coordInCell.Z, ++writeCoord.Z)
{
for (coordInCell.Y = startInCell.Y, writeCoord.Y = offset.Y; coordInCell.Y <= endInCell.Y; ++coordInCell.Y, ++writeCoord.Y)
{
for (coordInCell.X = startInCell.X, writeCoord.X = offset.X; coordInCell.X <= endInCell.X; ++coordInCell.X, ++writeCoord.X)
{
target.Content(ref writeCoord, value);
}
}
}
}
else
{ // read value for each voxel
for (coordInCell.Z = startInCell.Z, writeCoord.Z = offset.Z; coordInCell.Z <= endInCell.Z; ++coordInCell.Z, ++writeCoord.Z)
{
for (coordInCell.Y = startInCell.Y, writeCoord.Y = offset.Y; coordInCell.Y <= endInCell.Y; ++coordInCell.Y, ++writeCoord.Y)
{
for (coordInCell.X = startInCell.X, writeCoord.X = offset.X; coordInCell.X <= endInCell.X; ++coordInCell.X, ++writeCoord.X)
{
target.Content(ref writeCoord, cell.GetContent(ref coordInCell));
}
}
}
}
}
private MyVoxelContentCell AddCell(ref Vector3I cellCoord)
{
// Adding or creating cell can be made only once
Debug.Assert(GetContentCell(ref cellCoord) == null);
MyVoxelContentCell ret = new MyVoxelContentCell();
m_contentCells[ComputeCellIndex(ref cellCoord)] = ret;
return ret;
}
private MyVoxelRangeType GetRangeTypeInCell(MyVoxelContentCell contentCell, ref Vector3I startInCell, ref Vector3I endInCell)
{
Vector3I c = Vector3I.Zero;
bool foundFull = false, foundEmpty = false;
for (c.Z = startInCell.Z; c.Z <= endInCell.Z; ++c.Z)
{
for (c.Y = startInCell.Y; c.Y <= endInCell.Y; ++c.Y)
{
for (c.X = startInCell.X; c.X <= endInCell.X; ++c.X)
{
var content = contentCell.GetContent(ref c);
if (content >= MyVoxelConstants.VOXEL_CONTENT_FULL)
foundFull = true;
else if (content <= MyVoxelConstants.VOXEL_CONTENT_EMPTY)
foundEmpty = true;
else
return MyVoxelRangeType.MIXED;
if (foundFull && foundEmpty)
return MyVoxelRangeType.MIXED;
}
}
}
Debug.Assert(foundFull != foundEmpty);
return foundFull ? MyVoxelRangeType.FULL : MyVoxelRangeType.EMPTY;
}