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 CreateAndSaveFromEmptyStream()
{
string outPath =
TestAssetPaths.GetOutPath(TestAssetPaths.GLB_BOX_OUT_PATH_TEMPLATE, 10, TestAssetPaths.GLB_EXTENSION);
FileStream glbStream = new FileStream(outPath, FileMode.Create, FileAccess.ReadWrite, FileShare.ReadWrite);
GLBObject glbObject = GLBBuilder.ConstructFromStream(glbStream);
Assert.IsNull(glbObject.Root);
MemoryStream stream = new MemoryStream();
StreamWriter writer = new StreamWriter(stream);
writer.Write(TestAssetPaths.MIN_GLTF_STR);
writer.Flush();
stream.Position = 0;
GLTFRoot gltfRoot;
GLTFParser.ParseJson(stream, out gltfRoot);
GLBBuilder.SetRoot(glbObject, gltfRoot);
GLBBuilder.UpdateStream(glbObject);
glbStream.Close();
glbStream = new FileStream(outPath, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite);
glbObject = GLBBuilder.ConstructFromStream(glbStream);
Assert.IsNotNull(glbObject.Root);
glbStream.Close();
}
public void CreateEmptyStreamAndAppendGLB()
{
string outPath =
TestAssetPaths.GetOutPath(TestAssetPaths.GLB_BOX_OUT_PATH_TEMPLATE, 11, TestAssetPaths.GLB_EXTENSION);
FileStream glbStream = new FileStream(outPath, FileMode.Create, FileAccess.ReadWrite, FileShare.ReadWrite);
GLBObject glbObject = GLBBuilder.ConstructFromStream(glbStream);
Assert.IsNull(glbObject.Root);
MemoryStream stream = new MemoryStream();
StreamWriter writer = new StreamWriter(stream);
writer.Write(TestAssetPaths.MIN_GLTF_STR);
writer.Flush();
stream.Position = 0;
GLTFRoot gltfRoot;
GLTFParser.ParseJson(stream, out gltfRoot);
GLBBuilder.SetRoot(glbObject, gltfRoot);
GLBBuilder.UpdateStream(glbObject);
FileStream glbAppendStream = File.OpenRead(TestAssetPaths.GLB_BOOMBOX_PATH);
GLBObject glbAppendObject = GLBBuilder.ConstructFromStream(glbAppendStream);
GLBBuilder.AddBinaryData(glbObject, glbAppendStream, false, glbAppendObject.BinaryChunkInfo.StartPosition + GLTFParser.CHUNK_HEADER_SIZE);
glbStream.Close();
glbStream = new FileStream(outPath, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite);
glbObject = GLBBuilder.ConstructFromStream(glbStream);
Assert.IsNotNull(glbObject.Root);
Assert.AreEqual(glbAppendObject.BinaryChunkInfo.Length, glbObject.BinaryChunkInfo.Length);
glbStream.Close();
}
