public void GLBSaveWithoutBinary()
{
string outPath =
TestAssetPaths.GetOutPath(TestAssetPaths.GLB_BOX_OUT_PATH_TEMPLATE, 15, TestAssetPaths.GLB_EXTENSION);
FileStream glbOutStream = new FileStream(outPath, FileMode.Create, FileAccess.ReadWrite, FileShare.ReadWrite);
// first create from empty stream
GLBObject glbObject = GLBBuilder.ConstructFromStream(glbOutStream);
uint initialGLBLength = glbObject.BinaryChunkInfo.Length;
MemoryStream stream = new MemoryStream();
StreamWriter writer = new StreamWriter(stream);
writer.Write(TestAssetPaths.MIN_GLTF_STR);
writer.Flush();
stream.Position = 0;
GLTFRoot newRoot;
GLTFParser.ParseJson(stream, out newRoot);
GLBBuilder.SetRoot(glbObject, newRoot);
GLBBuilder.UpdateStream(glbObject);
Assert.AreEqual(glbObject.Header.FileLength, glbObject.JsonChunkInfo.StartPosition + glbObject.JsonChunkInfo.Length + GLTFParser.CHUNK_HEADER_SIZE);
glbOutStream.Close();
glbOutStream = new FileStream(outPath, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite);
List <ChunkInfo> chunks = GLTFParser.FindChunks(glbOutStream);
Assert.AreEqual(1, chunks.Count);
glbOutStream.Position = 0;
GLBObject testObject = GLBBuilder.ConstructFromStream(glbOutStream);
Assert.AreEqual(glbObject.JsonChunkInfo.Length, testObject.JsonChunkInfo.Length);
Assert.AreEqual(glbObject.BinaryChunkInfo.Length, testObject.BinaryChunkInfo.Length);
}
public void UpdateStream()
{
Assert.IsTrue(File.Exists(TestAssetPaths.GLB_BOOMBOX_PATH));
FileStream glbStream = File.OpenRead(TestAssetPaths.GLB_BOOMBOX_PATH);
string outPath =
TestAssetPaths.GetOutPath(TestAssetPaths.GLB_BOX_OUT_PATH_TEMPLATE, 0, TestAssetPaths.GLB_EXTENSION);
FileStream glbOutStream = new FileStream(outPath, FileMode.Create, FileAccess.ReadWrite, FileShare.ReadWrite);
GLBObject glbObject = GLBBuilder.ConstructFromStream(glbStream, glbOutStream);
for (int i = 0; i < 10; ++i)
{
glbObject.Root.Nodes.Add(new Node
{
Mesh = new MeshId
{
Id = 0,
Root = glbObject.Root
}
});
}
GLBBuilder.UpdateStream(glbObject);
glbOutStream.Position = 0;
GLTFRoot glbOutRoot;
GLTFParser.ParseJson(glbOutStream, out glbOutRoot);
FileStream glbFileStream = glbObject.Stream as FileStream;
Assert.AreEqual(glbFileStream, glbFileStream);
glbOutStream.Position = 0;
List <ChunkInfo> chunkInfo = GLTFParser.FindChunks(glbOutStream);
Assert.AreEqual(2, chunkInfo.Count);
CompareBinaryData(glbObject, glbStream);
}