public void FirstBatchTableTest()
{
// arrange
var batchTable = new BatchTable();
var batchTableItem1 = new BatchTableItem();
batchTableItem1.Name = "first item";
batchTableItem1.Values = new string[3] {
"0", "1", "2"
};
var batchTableItem2 = new BatchTableItem();
batchTableItem2.Name = "second item";
batchTableItem2.Values = new string[3] {
"100", "101", "102"
};
batchTable.BatchTableItems.Add(batchTableItem1);
batchTable.BatchTableItems.Add(batchTableItem2);
// act
var json = JsonConvert.SerializeObject(batchTable, new BatchTableJsonConverter(typeof(BatchTable)));
// assert
Assert.IsTrue(json == "{\"first item\":[\"0\",\"1\",\"2\"],\"second item\":[\"100\",\"101\",\"102\"]}");
}
public IEnumerator LoadStream(string relativeFilePath)
{
yield return(this.loader.LoadStream(relativeFilePath));
if (this.loader.LoadedStream.Length == 0)
{
LoadedStream = new MemoryStream(0);
}
else
{
// We need to read the header info off of the .b3dm file
// Using statment will ensure this.loader.LoadedStream is disposed
using (BinaryReader br = new BinaryReader(this.loader.LoadedStream))
{
// Remove query parameters if there are any
string filename = relativeFilePath.Split('?')[0];
// If this isn't a b3dm file (i.e. gltf or glb) this should just copy the underlying stream
if (Path.GetExtension(filename).ToLower() == ".b3dm")
{
UInt32 magic = br.ReadUInt32();
if (magic != 0x6D643362)
{
Debug.LogError("Unsupported magic number in b3dm file: " + magic + " " + relativeFilePath);
}
UInt32 version = br.ReadUInt32();
if (version != 1)
{
Debug.LogError("Unsupported version number in b3dm file: " + version + " " + relativeFilePath);
}
// The length of the entire tile, including the header, in bytes.
UInt32 byteLength = br.ReadUInt32();
if (byteLength == 0)
{
Debug.LogError("Unexpected zero length in b3dm file: " + relativeFilePath);
}
// The length of the Feature Table JSON section in bytes.
UInt32 featureTableLength = br.ReadUInt32();
if (featureTableLength == 0)
{
Debug.LogError("Unexpected zero length feature table in b3dm file: " + relativeFilePath);
}
// The length of the Feature Table binary section in bytes.
UInt32 featureBinaryLength = br.ReadUInt32();
if (featureBinaryLength != 0)
{
Debug.LogError("Unexpected non-zero length feature binary in b3dm file: " + relativeFilePath);
}
// The length of the Batch Table JSON section in bytes. Zero indicates there is no Batch Table.
UInt32 batchTableLength = br.ReadUInt32();
// The length of the Batch Table binary section in bytes.
// If batchTableJSONByteLength is zero, this will also be zero.
UInt32 batchBinaryLength = br.ReadUInt32();
if (batchTableLength == 0 && batchBinaryLength != 0)
{
Debug.LogError("Unexpected non-zero length batch binary in b3dm file: " + relativeFilePath);
}
string featureTableJson = new String(br.ReadChars((int)featureTableLength));
FeatureTable ft = JsonConvert.DeserializeObject <FeatureTable>(featureTableJson);
if (batchTableLength == 0)
{
if (ft.BATCH_LENGTH != 0)
{
Debug.LogError("Unexpected non-zero length feature table BATCH_LENGTH in b3dm file: " + relativeFilePath);
}
}
else
{
string batchTableJson = new string(br.ReadChars((int)batchTableLength));
BatchTable bt = JsonConvert.DeserializeObject <BatchTable>(batchTableJson);
}
// after this will be the binary glTF
}
LoadedStream = new MemoryStream((int)(loader.LoadedStream.Length - loader.LoadedStream.Position));
CopyStream(loader.LoadedStream, LoadedStream);
}
}
}
