public void Deallocate()
{
Debug.Assert(CellType == MyVoxelRangeType.FULL ||
CellType == MyVoxelRangeType.EMPTY ||
m_cellContent != null);
if (m_cellContent != null)
{
//m_cellContent.Value.NeedReset = true;
MyVoxelContentCellContents.Deallocate(m_cellContent);
m_cellContent = null;
}
}
// Set voxel content for the whole cell.
public void SetAllVoxelContents(byte[] buffer)
{
// quantize the buffer and compute sum
m_voxelContentSum = 0;
for (int i = 0; i < buffer.Length; i++)
{
buffer[i] = MyCellStorage.Quantizer.QuantizeValue(buffer[i]);
m_voxelContentSum += buffer[i];
}
// mixed-->empty/full: deallocate
// empty/full-->mixed: allocate
// mixed: fill with values from buffer
if (m_voxelContentSum == 0)
{
if (CellType == MyVoxelRangeType.MIXED)
{
Deallocate();
}
CellType = MyVoxelRangeType.EMPTY;
}
else if (m_voxelContentSum == MyVoxelConstants.DATA_CELL_CONTENT_SUM_TOTAL)
{
if (CellType == MyVoxelRangeType.MIXED)
{
Deallocate();
}
CellType = MyVoxelRangeType.FULL;
}
else
{
if (CellType == MyVoxelRangeType.FULL || CellType == MyVoxelRangeType.EMPTY)
{
m_cellContent = MyVoxelContentCellContents.Allocate();
}
if (m_cellContent != null)
{
m_cellContent.SetAddVoxelContents(buffer);
}
CellType = MyVoxelRangeType.MIXED;
}
}
// Voxel at specified coordinate 'x, y, z' sets to value 'content'. Coordinates are relative to voxel cell
// IMPORTANT: Do not call this method directly! Always call it through MyVoxelMap.SetVoxelContent()
public void SetVoxelContent(byte content, ref Vector3I voxelCoordInCell)
{
content = MyCellStorage.Quantizer.QuantizeValue(content);
if (CellType == MyVoxelRangeType.FULL)
{
if (content == MyVoxelConstants.VOXEL_CONTENT_FULL)
{
// Nothing is changing
return;
}
else
{
m_voxelContentSum -= (MyVoxelConstants.VOXEL_CONTENT_FULL - content);
CheckCellType();
// If this cell is mixed, we change voxel's value in the cell content array, but first allocate the array
if (CellType == MyVoxelRangeType.MIXED)
{
m_cellContent = MyVoxelContentCellContents.Allocate();
if (m_cellContent != null)
{
m_cellContent.Reset(MyVoxelConstants.VOXEL_CONTENT_FULL);
m_cellContent.SetVoxelContent(content, ref voxelCoordInCell);
}
}
}
}
else if (CellType == MyVoxelRangeType.EMPTY)
{
if (content == MyVoxelConstants.VOXEL_CONTENT_EMPTY)
{
// Nothing is changing
return;
}
else
{
m_voxelContentSum += content;
CheckCellType();
// If this cell is mixed, we change voxel's value in the cell content array, but first allocate the array
if (CellType == MyVoxelRangeType.MIXED)
{
m_cellContent = MyVoxelContentCellContents.Allocate();
if (m_cellContent != null)
{
m_cellContent.Reset(MyVoxelConstants.VOXEL_CONTENT_EMPTY);
m_cellContent.SetVoxelContent(content, ref voxelCoordInCell);
}
}
}
}
else if (CellType == MyVoxelRangeType.MIXED)
{
if (m_cellContent == null)
{
return;
}
// Check for previous content value not only for optimisation, but because we need to know how much it changed
// for calculating whole cell content summary.
byte previousContent = m_cellContent.GetVoxelContent(ref voxelCoordInCell);
if (previousContent == content)
{
// New value is same as current, so nothing needs to be changed
return;
}
m_voxelContentSum -= previousContent - content;
CheckCellType();
// If this cell is still mixed, we change voxel's value in the cell content array
if (CellType == MyVoxelRangeType.MIXED)
{
m_cellContent.SetVoxelContent(content, ref voxelCoordInCell);
}
}
else
{
throw new InvalidBranchException();
}
}
public static void Deallocate(MyVoxelContentCellContent item)
{
m_pool.Deallocate(item);
}
