public DataBuffer(World world, ME.ECS.Collections.NativeBufferArray <Entity> arr, Unity.Collections.Allocator allocator = Unity.Collections.Allocator.Persistent)
{
var reg = (StructComponents <T>)world.currentState.structComponents.list.arr[WorldUtilities.GetAllComponentTypeId <T>()];
this.arr = new NativeArrayBurst <T>(reg.components.data.arr, allocator);
this.ops = new NativeArrayBurst <byte>(reg.components.data.arr.Length, allocator);
}
public static void Copy <T, TCopy>(NativeArrayBurst <T> fromArr, ref NativeArrayBurst <T> arr, TCopy copy)
where TCopy : IArrayElementCopy <T> where T : struct
{
if (fromArr.IsCreated == false)
{
if (arr.IsCreated == true)
{
NativeArrayUtils.Recycle(ref arr, copy);
}
arr = default;
return;
}
if (arr.IsCreated == false || fromArr.Length != arr.Length)
{
if (arr.IsCreated == true)
{
NativeArrayUtils.Recycle(ref arr, copy);
}
arr = new NativeArrayBurst <T>(fromArr.Length, Unity.Collections.Allocator.Persistent);
}
for (int i = 0; i < fromArr.Length; ++i)
{
copy.Copy(fromArr[i], ref arr.GetRef(i));
}
}
public static void RecycleWithIndex <T, TCopy>(ref NativeArrayBurst <T> item, TCopy copy) where TCopy : IArrayElementCopyWithIndex <T> where T : struct
{
for (int i = 0; i < item.Length; ++i)
{
copy.Recycle(i, ref item.GetRef(i));
}
item.Dispose();
}
public static void Recycle <T, TCopy>(ref NativeArrayBurst <T> item, TCopy copy) where TCopy : IArrayElementCopy <T> where T : struct
{
for (int i = 0; i < item.Length; ++i)
{
copy.Recycle(item[i]);
}
item.Dispose();
}
public static unsafe void Clear <T>(NativeArrayBurst <T> arr, int index, int length) where T : struct
{
Unity.Collections.LowLevel.Unsafe.UnsafeUtility.MemClear((void *)((System.IntPtr)arr.GetUnsafePtr() + (int)((ulong)UnsafeUtility.SizeOf <T>() * (ulong)index)), (long)((ulong)UnsafeUtility.SizeOf <T>() * (ulong)length));
}
public static unsafe void Clear <T>(NativeArrayBurst <T> arr) where T : struct
{
Unity.Collections.LowLevel.Unsafe.UnsafeUtility.MemClear(arr.GetUnsafePtr(), UnsafeUtility.SizeOf <T>() * arr.Length);
}
