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glb のパースは、GlbLowLevelParser に責務が移動した。古い方を削除

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ousttrue 2022-01-18 14:14:36 +09:00
parent c372032e27
commit 94f5354f4e
1 changed files with 0 additions and 94 deletions
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94
Assets/UniGLTF/Runtime/UniGLTF/Format/glbTypes.cs
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@ -24,30 +24,6 @@ namespace UniGLTF
s.Write(GLB_VERSION, 0, GLB_VERSION.Length);
}
public static int TryParse(ArraySegment<Byte> bytes, out int pos, out Exception message)
{
pos = 0;
if (!bytes.Slice(0, 4).SequenceEqual(GLB_MAGIC))
{
message = new FormatException("invalid magic");
return 0;
}
pos += 4;
if (!bytes.Slice(pos, 4).SequenceEqual(GLB_VERSION))
{
message = new FormatException("invalid magic");
return 0;
}
pos += 4;
var totalLength = BitConverter.ToInt32(bytes.Array, bytes.Offset + pos);
pos += 4;
message = null;
return totalLength;
}
}
public struct GlbChunk
@ -219,75 +195,5 @@ namespace UniGLTF
throw new FormatException("unknown chunk type: " + src);
}
}
public static Glb Parse(Byte[] bytes)
{
return Parse(new ArraySegment<byte>(bytes));
}
public static Glb Parse(ArraySegment<Byte> bytes)
{
if (TryParse(bytes, out Glb glb, out Exception ex))
{
return glb;
}
else
{
throw ex;
}
}
public static bool TryParse(Byte[] bytes, out Glb glb, out Exception ex)
{
return TryParse(new ArraySegment<byte>(bytes), out glb, out ex);
}
public static bool TryParse(ArraySegment<Byte> bytes, out Glb glb, out Exception ex)
{
glb = default(Glb);
if (bytes.Count == 0)
{
ex = new Exception("empty bytes");
return false;
}
var length = GlbHeader.TryParse(bytes, out int pos, out ex);
if (length == 0)
{
return false;
}
bytes = bytes.Slice(0, length);
try
{
var chunks = new List<GlbChunk>();
while (pos < bytes.Count)
{
var chunkDataSize = BitConverter.ToInt32(bytes.Array, bytes.Offset + pos);
pos += 4;
//var type = (GlbChunkType)BitConverter.ToUInt32(bytes, pos);
var chunkTypeBytes = bytes.Slice(pos, 4).Where(x => x != 0).ToArray();
var chunkTypeStr = Encoding.ASCII.GetString(chunkTypeBytes);
pos += 4;
chunks.Add(new GlbChunk
{
ChunkTypeString = chunkTypeStr,
Bytes = bytes.Slice(pos, chunkDataSize)
});
pos += chunkDataSize;
}
glb = new Glb(chunks[0], chunks[1]);
return true;
}
catch (Exception _ex)
{
ex = _ex;
return false;
}
}
}
}