private unsafe void WriteRange <TOperator>(MyCellCoord cell, byte defaultData, ref TOperator source, MyStorageDataTypeEnum type, ref Vector3I readOffset, ref Vector3I min, ref Vector3I max) where TOperator : struct, IVoxelOperator
{
MyOctreeNode node;
uint key = cell.PackId32();
if (!this.m_nodes.TryGetValue(key, out node))
{
for (int i = 0; i < 8; i++)
{
&node.Data.FixedElementField[i] = defaultData;
}
}
if (cell.Lod == 0)
{
Vector3I vectori = cell.CoordInLod << 1;
for (int i = 0; i < 8; i++)
{
Vector3I vectori2;
this.ComputeChildCoord(i, out vectori2);
Vector3I position = (Vector3I)(vectori + vectori2);
if (position.IsInsideInclusiveEnd(ref min, ref max))
{
position = (Vector3I)((position - min) + readOffset);
source.Op(ref position, type, ref (byte)ref (&node.Data.FixedElementField + i));
}
}
this.m_nodes[key] = node;
}
else
{
Vector3I vectori4 = cell.CoordInLod << 1;
Vector3I vectori6 = (min >> cell.Lod) - vectori4;
Vector3I vectori7 = (max >> cell.Lod) - vectori4;
for (int i = 0; i < 8; i++)
{
Vector3I vectori5;
this.ComputeChildCoord(i, out vectori5);
if (vectori5.IsInsideInclusiveEnd(ref vectori6, ref vectori7))
{
MyCellCoord coord = new MyCellCoord(cell.Lod - 1, (Vector3I)(vectori4 + vectori5));
this.WriteRange <TOperator>(coord, &node.Data.FixedElementField[i], ref source, type, ref readOffset, ref min, ref max);
uint num5 = coord.PackId32();
MyOctreeNode node2 = this.m_nodes[num5];
if (node2.HasChildren || !MyOctreeNode.AllDataSame(&node2.Data.FixedElementField))
{
node.SetChild(i, true);
&node.Data.FixedElementField[i] = this.m_nodeFilter(&node2.Data.FixedElementField, cell.Lod);
}
else
{
node.SetChild(i, false);
&node.Data.FixedElementField[i] = node2.Data.FixedElementField;
this.m_nodes.Remove(num5);
}
}
}
this.m_nodes[key] = node;
}
}