public override ByteArray Write()
{
ByteArray header = new ByteArray();
int attrib = Write3D(header);
if (materials.Count > 0)
{
attrib |= 256;
header.WriteByte(materials.Count);
if (materials.Count == 1)
{
header.WriteUInt32((uint)materials[0]);
}
else
{
for (int i = 0; i < materials.Count; i++)
{
header.WriteUInt32((uint)(materials[i] + 1));
}
}
}
if (modifiers.Count > 0)
{
attrib |= 512;
header.WriteByte(modifiers.Count);
for (int i = 0; i < modifiers.Count; i++)
{
header.WriteUInt32(modifiers[i]);
}
}
ByteArray data = new ByteArray();
data.WriteUInt16(attrib);
data.WriteBytes(header.ToArray());
data.WriteFloats(transform);
data.WriteUInt32((uint)geometry);
WriteTags(data);
return data;
}
protected int Write3D(ByteArray header)
{
int attrib = 0x0000;
if (parent != -1)
{
attrib |= 1;
header.WriteUInt32((uint)parent);
}
return attrib;
}
public override ByteArray Write()
{
ByteArray stream = new ByteArray();
// update num of vertex
numVertex = (uint)(vertex.Length / 3);
int attrib = 0x0000;
if (isBig) attrib |= 1;
if (normal != null) attrib |= 4;
if (tangent != null) attrib |= 8;
if (uv != null) attrib |= 32;
stream.WriteUInt16(attrib);
if (isBig) stream.WriteUInt32(numVertex);
else stream.WriteUInt16((int)numVertex);
if (normal != null)
{
for (int i = 0; i < normal.Length; i++)
{
stream.WriteFloat(normal[i]);
}
}
if (tangent != null)
{
for (int i = 0; i < tangent.Length; i++)
{
stream.WriteFloat(tangent[i]);
}
}
if (uv != null)
{
stream.WriteByte(uv.Length);
for (int i = 0; i < uv.Length; i++)
{
for (int j = 0; j < uv[i].Length; j++)
{
stream.WriteFloat(uv[i][j]);
}
}
}
for (int i = 0; i < vertex.Length; i++)
{
stream.WriteFloat(vertex[i]);
}
stream.WriteByte(indexes.Length);
if (isBig)
{
for (int i = 0; i < indexes.Length; i++)
{
uint[] idxs = indexes[i];
stream.WriteUInt32((uint)(idxs.Length / 3));
uint j = 0;
while (j < idxs.Length)
{
stream.WriteUInt32(idxs[j++]);
}
}
}
else
{
for (int i = 0; i < indexes.Length; i++)
{
uint[] idxs = indexes[i];
stream.WriteUInt16(idxs.Length / 3);
int j = 0;
while (j < idxs.Length)
{
stream.WriteUInt16((int)idxs[j++]);
}
}
}
return stream;
}
public byte[] Build()
{
// Body
byte[] body = GetBody();
// Write Bytes
ByteArray bytes = new ByteArray();
// Write MAGIC
bytes.WriteUTFBytes("SEA");
// Write SIGNATURE
bytes.WriteUTFBytes("S3D");
// Write Version
bytes.WriteUInt24(version);
// Write Protect Method
bytes.WriteByte(0);
// Write Compress Method
bytes.WriteByte(SEA3DWriter.CompressionID(compressAlgorithm));
// Write File Count
bytes.WriteUInt32((uint)_objects.Count);
// Write Body
bytes.WriteBytes(body);
// Write Final
bytes.WriteUInt24(0x5EA3D1);
return bytes.ToArray();
}
