/// <summary>
/// write model to filePath
/// </summary>
/// <param name="model"></param>
/// <param name="filePath"></param>
public void WriteModel(Model model, string filePath)
{
if (UriUtil.IsValidUri(model.Uri))
{
model.WriteUriFiles(filePath);
}
var ext = Path.GetExtension(filePath).TrimStart('.').ToUpper();
if (ext == "GLB")
{
using (var fs = new FileStream(filePath, FileMode.CreateNew, FileAccess.Write))
using (var bw = new BinaryWriter(fs))
{
var binCount = 0;
var byteLength = 0;
if (model.BinBuffers != null)
{
byteLength = model.BinBuffers.Count;
Padding(model.BinBuffers, 4);
binCount += model.BinBuffers.Count;
if (model.Buffers.Count == 0)
{
var buffer = new Json.Buffer();
model.Buffers.Add(buffer);
}
model.Buffers[0].ByteLength = byteLength;
}
var json = JsonUtil.ToJson(model);
var jsonBytes = new List <byte>(JsonUtil.StrEncoding.GetBytes(json));
PaddingSpace(jsonBytes, 4);
var len = GlbHeader.ByteCount + jsonBytes.Count + binCount + 8 + (binCount > 0 ? 8 : 0);
var header = GlbHeader.GetGlbHeader((uint)len);
header.Write(bw);
var jsonChunk = new ChunkHeader
{
ChunkType = ChunkType.Json,
Length = (uint)jsonBytes.Count
};
jsonChunk.Write(bw);
for (var i = 0; i < jsonBytes.Count; i++)
{
bw.Write(jsonBytes[i]);
}
if (model.BinBuffers != null)
{
var binChunk = new ChunkHeader
{
ChunkType = ChunkType.Bin,
Length = (uint)model.BinBuffers.Count
};
binChunk.Write(bw);
for (var i = 0; i < model.BinBuffers.Count; i++)
{
bw.Write(model.BinBuffers[i]);
}
}
bw.Flush();
}
}
else
{
JsonUtil.Serialize(model, filePath);
}
}