private static void ExportFromMenu(bool isGlb, MeshExportSettings settings)
{
var go = Selection.activeObject as GameObject;
var ext = isGlb ? "glb" : "gltf";
if (go.transform.position == Vector3.zero &&
go.transform.rotation == Quaternion.identity &&
go.transform.localScale == Vector3.one)
{
var path = EditorUtility.SaveFilePanel(
$"Save {ext}", "", go.name + $".{ext}", $"{ext}");
if (string.IsNullOrEmpty(path))
{
return;
}
var gltf = new glTF();
using (var exporter = new gltfExporter(gltf))
{
exporter.Prepare(go);
exporter.Export(settings);
}
if (isGlb)
{
var bytes = gltf.ToGlbBytes();
File.WriteAllBytes(path, bytes);
}
else
{
var(json, buffers) = gltf.ToGltf(path);
// without BOM
var encoding = new System.Text.UTF8Encoding(false);
File.WriteAllText(path, json, encoding);
// write to local folder
var dir = Path.GetDirectoryName(path);
foreach (var b in buffers)
{
var bufferPath = Path.Combine(dir, b.uri);
File.WriteAllBytes(bufferPath, b.GetBytes().ToArray());
}
}
if (path.StartsWithUnityAssetPath())
{
AssetDatabase.ImportAsset(path.ToUnityRelativePath());
AssetDatabase.Refresh();
}
}
else
{
EditorUtility.DisplayDialog("Error", "The Root transform should have Default translation, rotation and scale.", "ok");
}
}
protected override void ExportPath(string path)
{
var ext = Path.GetExtension(path).ToLower();
var isGlb = false;
switch (ext)
{
case ".glb": isGlb = true; break;
case ".gltf": isGlb = false; break;
default: throw new System.Exception();
}
var gltf = new glTF();
using (var exporter = new gltfExporter(gltf, m_settings.InverseAxis))
{
exporter.Prepare(State.ExportRoot);
var settings = new MeshExportSettings
{
ExportOnlyBlendShapePosition = m_settings.DropNormal,
UseSparseAccessorForMorphTarget = m_settings.Sparse,
DivideVertexBuffer = m_settings.DivideVertexBuffer,
};
exporter.Export(settings, new EditorTextureSerializer());
}
if (isGlb)
{
var bytes = gltf.ToGlbBytes();
File.WriteAllBytes(path, bytes);
}
else
{
var(json, buffers) = gltf.ToGltf(path);
// without BOM
var encoding = new System.Text.UTF8Encoding(false);
File.WriteAllText(path, json, encoding);
// write to local folder
var dir = Path.GetDirectoryName(path);
foreach (var b in buffers)
{
var bufferPath = Path.Combine(dir, b.uri);
File.WriteAllBytes(bufferPath, b.GetBytes().ToArray());
}
}
if (path.StartsWithUnityAssetPath())
{
AssetDatabase.ImportAsset(path.ToUnityRelativePath());
AssetDatabase.Refresh();
}
}
private static void Export(GameObject go, string path, MeshExportSettings settings, Axises inverseAxis)
{
var ext = Path.GetExtension(path).ToLower();
var isGlb = false;
switch (ext)
{
case ".glb": isGlb = true; break;
case ".gltf": isGlb = false; break;
default: throw new System.Exception();
}
var gltf = new glTF();
using (var exporter = new gltfExporter(gltf, inverseAxis))
{
exporter.Prepare(go);
exporter.Export(settings, AssetTextureUtil.IsTextureEditorAsset);
}
if (isGlb)
{
var bytes = gltf.ToGlbBytes();
File.WriteAllBytes(path, bytes);
}
else
{
var(json, buffers) = gltf.ToGltf(path);
// without BOM
var encoding = new System.Text.UTF8Encoding(false);
File.WriteAllText(path, json, encoding);
// write to local folder
var dir = Path.GetDirectoryName(path);
foreach (var b in buffers)
{
var bufferPath = Path.Combine(dir, b.uri);
File.WriteAllBytes(bufferPath, b.GetBytes().ToArray());
}
}
if (path.StartsWithUnityAssetPath())
{
AssetDatabase.ImportAsset(path.ToUnityRelativePath());
AssetDatabase.Refresh();
}
}