unsafe PointCloudBounds GetBounds(AssetImportContext context, byte *ptr, int stride, int count, List <PointElement> elements)
{
var name = Path.GetFileName(context.assetPath);
var counts = new NativeArray <int>(JobsUtility.MaxJobThreadCount, Allocator.TempJob);
var bounds = new NativeArray <PointCloudBounds>(JobsUtility.MaxJobThreadCount, Allocator.TempJob, NativeArrayOptions.UninitializedMemory);
for (int i = 0; i < bounds.Length; i++)
{
bounds[i] = PointCloudBounds.Empty;
}
try
{
var job = new PointCloudGetBoundsJob()
{
X = GetInputAccess(PointElementName.X, elements, ptr, stride),
Y = GetInputAccess(PointElementName.Y, elements, ptr, stride),
Z = GetInputAccess(PointElementName.Z, elements, ptr, stride),
Bounds = (PointCloudBounds *)bounds.GetUnsafePtr(),
Counts = (int *)counts.GetUnsafePtr(),
ThreadIndex = 0,
};
var h = job.Schedule((int)count, 65536);
while (!h.IsCompleted)
{
System.Threading.Thread.Sleep(100);
int processed = counts.Sum();
float progress = (float)((double)processed / count);
EditorUtility.DisplayProgressBar($"Importing {name}", $"{processed:N0} points", progress);
}
var result = PointCloudBounds.Empty;
foreach (var b in bounds)
{
if (b.IsValid)
{
result.Add(b.MinX, b.MinY, b.MinZ);
result.Add(b.MaxX, b.MaxY, b.MaxZ);
}
}
return(result);
}
finally
{
EditorUtility.ClearProgressBar();
bounds.Dispose();
counts.Dispose();
}
}
public static PointCloudBounds CalculateBounds(MemoryMappedViewAccessor accessor, long count, int stride,
List <PointElement> elements, string progressBarTitle = null)
{
var maxArraySize = TreeUtility.CalculateMaxArraySize(stride);
if (count > maxArraySize)
{
Debug.LogWarning(
$"Too many points ({count:n0}), truncating to {maxArraySize:n0}");
count = maxArraySize;
}
unsafe
{
byte *ptr = null;
accessor.SafeMemoryMappedViewHandle.AcquirePointer(ref ptr);
try
{
var counts = new NativeArray <int>(JobsUtility.MaxJobThreadCount, Allocator.TempJob);
var bounds = new NativeArray <PointCloudBounds>(JobsUtility.MaxJobThreadCount, Allocator.TempJob,
NativeArrayOptions.UninitializedMemory);
for (var i = 0; i < bounds.Length; i++)
{
bounds[i] = PointCloudBounds.Empty;
}
try
{
var job = new PointCloudGetBoundsJob()
{
X = GetInputAccess(PointElementName.X, elements, ptr, stride),
Y = GetInputAccess(PointElementName.Y, elements, ptr, stride),
Z = GetInputAccess(PointElementName.Z, elements, ptr, stride),
Bounds = (PointCloudBounds *)bounds.GetUnsafePtr(),
Counts = (int *)counts.GetUnsafePtr(),
ThreadIndex = 0,
};
var h = job.Schedule((int)count, 65536);
while (!h.IsCompleted)
{
System.Threading.Thread.Sleep(100);
var processed = counts.Sum();
var progress = (float)((double)processed / count);
EditorUtility.DisplayProgressBar(
string.IsNullOrEmpty(progressBarTitle) ? "Calculating bounds" : progressBarTitle,
$"{processed:N0} points", progress);
}
var result = PointCloudBounds.Empty;
foreach (var b in bounds)
{
if (b.IsValid)
{
result.Add(b.MinX, b.MinY, b.MinZ);
result.Add(b.MaxX, b.MaxY, b.MaxZ);
}
}
return(result);
}
finally
{
EditorUtility.ClearProgressBar();
bounds.Dispose();
counts.Dispose();
}
}
finally
{
accessor.SafeMemoryMappedViewHandle.ReleasePointer();
}
}
}
