/// <summary>Initializes a new instance of the <see cref="UnmanagedArray{T}" /> struct.</summary>
/// <param name="length">The length, in items, of the array.</param>
/// <param name="alignment">The alignment, in bytes, of the items in the array or <c>zero</c> to use the system default.</param>
/// <param name="zero"><c>true</c> if the items in the array should be zeroed; otherwise, <c>false</c>.</param>
/// <exception cref="ArgumentOutOfRangeException"><paramref name="alignment" /> is not zero or a <c>power of two</c>.</exception>
public UnmanagedArray(nuint length, nuint alignment = 0, bool zero = true)
{
var actualAlignment = (alignment != 0) ? alignment : DefaultAlignment;
ThrowIfNotPow2(actualAlignment, nameof(alignment));
Metadata *data;
if (length != 0)
{
// This allocates one more item than necessary, but this can be used to help detect buffer
// overruns and ensures that get a ref to an empty array isn't "undefined behavior".
data = (Metadata *)Allocate(
SizeOf <Metadata>() + (length * SizeOf <T>()),
actualAlignment,
offset: SizeOf <nuint>(),
zero
);
data->Alignment = alignment;
data->Length = length;
}
else
{
data = Empty._data;
}
_data = data;
}
public Node
(
AssimpString?mName = null,
System.Numerics.Matrix4x4?mTransformation = null,
Node *mParent = null,
uint?mNumChildren = null,
Node **mChildren = null,
uint?mNumMeshes = null,
uint *mMeshes = null,
Metadata *mMetaData = null
) : this()
{
if (mName is not null)
{
MName = mName.Value;
}
if (mTransformation is not null)
{
MTransformation = mTransformation.Value;
}
if (mParent is not null)
{
MParent = mParent;
}
if (mNumChildren is not null)
{
MNumChildren = mNumChildren.Value;
}
if (mChildren is not null)
{
MChildren = mChildren;
}
if (mNumMeshes is not null)
{
MNumMeshes = mNumMeshes.Value;
}
if (mMeshes is not null)
{
MMeshes = mMeshes;
}
if (mMetaData is not null)
{
MMetaData = mMetaData;
}
}
private UnmanagedArray(Metadata *data)
{
AssertNotNull(data);
_data = data;
}
public Scene
(
uint?mFlags = null,
Node *mRootNode = null,
uint?mNumMeshes = null,
Mesh **mMeshes = null,
uint?mNumMaterials = null,
Material **mMaterials = null,
uint?mNumAnimations = null,
Animation **mAnimations = null,
uint?mNumTextures = null,
Texture **mTextures = null,
uint?mNumLights = null,
Light **mLights = null,
uint?mNumCameras = null,
Camera **mCameras = null,
Metadata *mMetaData = null,
void *mPrivate = null
) : this()
{
if (mFlags is not null)
{
MFlags = mFlags.Value;
}
if (mRootNode is not null)
{
MRootNode = mRootNode;
}
if (mNumMeshes is not null)
{
MNumMeshes = mNumMeshes.Value;
}
if (mMeshes is not null)
{
MMeshes = mMeshes;
}
if (mNumMaterials is not null)
{
MNumMaterials = mNumMaterials.Value;
}
if (mMaterials is not null)
{
MMaterials = mMaterials;
}
if (mNumAnimations is not null)
{
MNumAnimations = mNumAnimations.Value;
}
if (mAnimations is not null)
{
MAnimations = mAnimations;
}
if (mNumTextures is not null)
{
MNumTextures = mNumTextures.Value;
}
if (mTextures is not null)
{
MTextures = mTextures;
}
if (mNumLights is not null)
{
MNumLights = mNumLights.Value;
}
if (mLights is not null)
{
MLights = mLights;
}
if (mNumCameras is not null)
{
MNumCameras = mNumCameras.Value;
}
if (mCameras is not null)
{
MCameras = mCameras;
}
if (mMetaData is not null)
{
MMetaData = mMetaData;
}
if (mPrivate is not null)
{
MPrivate = mPrivate;
}
}