private static void MergeAccessorsBufferViewsAndBuffers(GLTFRoot mergeToRoot, GLTFRoot mergeFromRoot, PreviousGLTFSizes previousGLTFSizes)
{
if (mergeFromRoot.Buffers != null)
{
if (mergeToRoot.Buffers == null)
{
mergeToRoot.Buffers = new List <Buffer>(mergeFromRoot.Buffers.Count);
}
mergeToRoot.Buffers.AddRange(mergeFromRoot.Buffers);
}
if (mergeFromRoot.BufferViews != null)
{
if (mergeToRoot.BufferViews == null)
{
mergeToRoot.BufferViews = new List <BufferView>(mergeFromRoot.BufferViews.Count);
}
mergeToRoot.BufferViews.AddRange(mergeFromRoot.BufferViews);
for (int i = previousGLTFSizes.PreviousBufferViewCount; i < mergeToRoot.BufferViews.Count; ++i)
{
GLTFId <Buffer> bufferId = mergeToRoot.BufferViews[i].Buffer;
bufferId.Id += previousGLTFSizes.PreviousBufferCount;
bufferId.Root = mergeToRoot;
}
}
if (mergeFromRoot.Accessors != null)
{
if (mergeToRoot.Accessors == null)
{
mergeToRoot.Accessors = new List <Accessor>(mergeFromRoot.Accessors.Count);
}
mergeToRoot.Accessors.AddRange(mergeFromRoot.Accessors);
for (int i = previousGLTFSizes.PreviousAccessorCount; i < mergeToRoot.Accessors.Count; ++i)
{
Accessor accessor = mergeToRoot.Accessors[i];
if (accessor.BufferView != null)
{
BufferViewId bufferViewId = accessor.BufferView;
bufferViewId.Id += previousGLTFSizes.PreviousBufferViewCount;
bufferViewId.Root = mergeToRoot;
}
AccessorSparse accessorSparse = accessor.Sparse;
if (accessorSparse != null)
{
BufferViewId indicesId = accessorSparse.Indices.BufferView;
indicesId.Id += previousGLTFSizes.PreviousBufferViewCount;
indicesId.Root = mergeToRoot;
BufferViewId valuesId = accessorSparse.Values.BufferView;
valuesId.Id += previousGLTFSizes.PreviousBufferViewCount;
valuesId.Root = mergeToRoot;
}
}
}
}
private static void MergeAccessorsBufferViewsAndBuffers(GLTFRoot mergeToRoot, GLTFRoot mergeFromRoot, PreviousGLTFSizes previousGLTFSizes)
{
bool isGLB = false;
if (mergeFromRoot.Buffers != null)
{
if (mergeToRoot.Buffers == null)
{
mergeToRoot.Buffers = new List <GLTFBuffer>(mergeFromRoot.Buffers.Count);
}
foreach (GLTFBuffer buffer in mergeFromRoot.Buffers)
{
if (buffer.Uri != null)
{
mergeToRoot.Buffers.Add(buffer);
}
else
{
isGLB = true; // assume glb is a uri is null
}
}
}
if (mergeFromRoot.BufferViews != null)
{
if (mergeToRoot.BufferViews == null)
{
mergeToRoot.BufferViews = new List <BufferView>(mergeFromRoot.BufferViews.Count);
}
mergeToRoot.BufferViews.AddRange(mergeFromRoot.BufferViews);
for (int i = previousGLTFSizes.PreviousBufferViewCount; i < mergeToRoot.BufferViews.Count; ++i)
{
GLTFId <GLTFBuffer> bufferId = mergeToRoot.BufferViews[i].Buffer;
if (!(isGLB && bufferId.Id == 0)) // if it is pointing a the special glb buffer (index 0 of a glb) then we dont want to adjust the buffer view, otherwise we do
{
// adjusting bufferview id based on merge amount
bufferId.Id += previousGLTFSizes.PreviousBufferCount;
bufferId.Root = mergeToRoot;
}
}
}
if (mergeFromRoot.Accessors != null)
{
if (mergeToRoot.Accessors == null)
{
mergeToRoot.Accessors = new List <Accessor>(mergeFromRoot.Accessors.Count);
}
mergeToRoot.Accessors.AddRange(mergeFromRoot.Accessors);
for (int i = previousGLTFSizes.PreviousAccessorCount; i < mergeToRoot.Accessors.Count; ++i)
{
Accessor accessor = mergeToRoot.Accessors[i];
if (accessor.BufferView != null)
{
BufferViewId bufferViewId = accessor.BufferView;
bufferViewId.Id += previousGLTFSizes.PreviousBufferViewCount;
bufferViewId.Root = mergeToRoot;
}
AccessorSparse accessorSparse = accessor.Sparse;
if (accessorSparse != null)
{
BufferViewId indicesId = accessorSparse.Indices.BufferView;
indicesId.Id += previousGLTFSizes.PreviousBufferViewCount;
indicesId.Root = mergeToRoot;
BufferViewId valuesId = accessorSparse.Values.BufferView;
valuesId.Id += previousGLTFSizes.PreviousBufferViewCount;
valuesId.Root = mergeToRoot;
}
}
}
}