/// <inheritdoc />
public void GetIndexiesVoxel(T item, NativeList <int3> results)
{
#if ENABLE_UNITY_COLLECTIONS_CHECKS
AtomicSafetyHandle.CheckReadAndThrow(_safety);
#endif
var bounds = new Bounds(item.GetCenter(), item.GetSize());
bounds.Clamp(_data->WorldBounds);
CalculStartEndIterationInternal(_data, bounds, out var start, out var end);
var hashPosition = new int3(0F);
for (int x = start.x; x < end.x; ++x)
{
hashPosition.x = x;
for (int y = start.y; y < end.y; ++y)
{
hashPosition.y = y;
for (int z = start.z; z < end.z; ++z)
{
hashPosition.z = z;
results.Add(hashPosition);
}
}
}
}
public void Query(Bounds bounds, NativeList <int3> voxelIndexes)
{
Assert.IsTrue(voxelIndexes.IsCreated);
#if ENABLE_UNITY_COLLECTIONS_CHECKS
AtomicSafetyHandle.CheckReadAndThrow(_safety);
#endif
bounds.Clamp(_data->WorldBounds);
CalculStartEndIterationInternal(_data, bounds, out var start, out var end);
var hashPosition = new int3(0F);
for (int x = start.x; x < end.x; ++x)
{
hashPosition.x = x;
for (int y = start.y; y < end.y; ++y)
{
hashPosition.y = y;
for (int z = start.z; z < end.z; ++z)
{
hashPosition.z = z;
voxelIndexes.Add(hashPosition);
}
}
}
}
public void AddFast(ref T item)
{
#if ENABLE_UNITY_COLLECTIONS_CHECKS
AtomicSafetyHandle.CheckWriteAndThrow(_safety);
#endif
var itemID = item.SpatialHashingIndex;
var bounds = new Bounds(item.GetCenter(), item.GetSize());
bounds.Clamp(_data->WorldBounds);
_itemIDToBounds[itemID] = bounds;
_itemIDToItem[itemID] = item;
CalculStartEndIterationInternal(_data, bounds, out var start, out var end);
var hashPosition = new int3(0F);
for (int x = start.x; x < end.x; ++x)
{
hashPosition.x = x;
for (int y = start.y; y < end.y; ++y)
{
hashPosition.y = y;
for (int z = start.z; z < end.z; ++z)
{
hashPosition.z = z;
AddInternal(hashPosition, itemID);
}
}
}
}
public bool TryAdd(ref T item)
{
#if ENABLE_UNITY_COLLECTIONS_CHECKS
AtomicSafetyHandle.CheckWriteAndThrow(_safety);
#endif
var bounds = new Bounds(item.GetCenter(), item.GetSize());
bounds.Clamp(_data->WorldBounds);
var itemID = Interlocked.Increment(ref _data->Counter);
item.SpatialHashingIndex = itemID;
if (_itemIDToBounds.TryAdd(itemID, bounds) == false || _itemIDToItem.TryAdd(itemID, item) == false)
{
return(false);
}
CalculStartEndIterationInternal(_data, bounds, out var start, out var end);
var hashPosition = new int3(0F);
for (int x = start.x; x < end.x; ++x)
{
hashPosition.x = x;
for (int y = start.y; y < end.y; ++y)
{
hashPosition.y = y;
for (int z = start.z; z < end.z; ++z)
{
hashPosition.z = z;
var hash = Hash(hashPosition);
_buckets.Add(hash, itemID);
}
}
}
return(true);
}
/// <summary>
/// Query system to find object in <paramref name="bounds"/>.
/// </summary>
public void Query(Bounds bounds, NativeList <T> resultList)
{
Assert.IsTrue(resultList.IsCreated);
#if ENABLE_UNITY_COLLECTIONS_CHECKS
AtomicSafetyHandle.CheckReadAndThrow(_safety);
#endif
bounds.Clamp(_data->WorldBounds);
CalculStartEndIterationInternal(_data, bounds, out var start, out var end);
var hashMapUnic = new NativeHashMap <int, byte>(64, Allocator.Temp);
var hashPosition = new int3(0F);
for (int x = start.x; x < end.x; ++x)
{
hashPosition.x = x;
for (int y = start.y; y < end.y; ++y)
{
hashPosition.y = y;
for (int z = start.z; z < end.z; ++z)
{
hashPosition.z = z;
var hash = Hash(hashPosition);
if (_buckets.TryGetFirstValue(hash, out var item, out var it))
{
do
{
hashMapUnic.TryAdd(item, 0);
}while (_buckets.TryGetNextValue(out item, ref it));
}
}
}
}
ExtractValueFromHashMap(hashMapUnic, bounds, resultList);
}
public void Move(T item)
{
#if ENABLE_UNITY_COLLECTIONS_CHECKS
AtomicSafetyHandle.CheckWriteAndThrow(_safety);
#endif
var itemID = item.SpatialHashingIndex;
var success = _itemIDToBounds.TryGetValue(itemID, out var oldBounds);
Assert.IsTrue(success);
var newBounds = new Bounds(item.GetCenter(), item.GetSize());
newBounds.Clamp(_data->WorldBounds);
_itemIDToBounds.Remove(itemID);
_itemIDToBounds.TryAdd(itemID, newBounds);
_itemIDToItem.Remove(itemID);
_itemIDToItem.TryAdd(itemID, item);
_helpMoveHashMapOld.Clear();
SetVoxelIndexForBounds(_data, oldBounds, _helpMoveHashMapOld);
_helpMoveHashMapNew.Clear();
SetVoxelIndexForBounds(_data, newBounds, _helpMoveHashMapNew);
var oldVoxel = _helpMoveHashMapOld.GetKeyArray(Allocator.Temp);
for (int i = 0; i < oldVoxel.Length; i++)
{
if (_helpMoveHashMapNew.TryGetValue(oldVoxel[i], out _) == false)
{
RemoveInternal(oldVoxel[i], itemID);
}
}
var newVoxel = _helpMoveHashMapNew.GetKeyArray(Allocator.Temp);
for (int i = 0; i < newVoxel.Length; i++)
{
if (_helpMoveHashMapOld.TryGetValue(newVoxel[i], out _) == false)
{
AddInternal(newVoxel[i], itemID);
}
}
}
