private static async Task Save(GLTFImporter context, UnityPath path)
{
await context.Load(context.storage, p => Debug.Log(p));
context.ShowMeshes();
await SaveAsAsset(context, path);
context.EditorDestroyRoot();
}
public static void ImportMenu()
{
var path = EditorUtility.OpenFilePanel("open gltf", "", "gltf,glb,zip");
if (string.IsNullOrEmpty(path))
{
return;
}
if (Application.isPlaying)
{
//
// load into scene
//
var context = new GLTFImporter();
//context.Load(path);
context.ShowMeshes();
Selection.activeGameObject = context.root;
}
else
{
//
// save as asset
//
if (path.StartsWithUnityAssetPath())
{
Debug.LogWarningFormat("disallow import from folder under the Assets");
return;
}
var assetPath = EditorUtility.SaveFilePanel("save prefab", "Assets", Path.GetFileNameWithoutExtension(path), "prefab");
if (string.IsNullOrEmpty(path))
{
return;
}
// import as asset
GLTFAssetPostprocessor.ImportAsset(path, Path.GetExtension(path).ToLower(), UnityPath.FromFullpath(assetPath));
}
}
private async Task <GameObject> Load(Action <float> progress)
{
await Task.Yield();
_unloaded = false;
var name = url.Substring(url.LastIndexOf("/") + 1);
//加载.gltf文件
await _storage.LoadString(name, p => progress?.Invoke(p * 0.1f));
if (_unloaded)
{
return(null);
}
_loader = new GLTFImporter(this, null, null, null, null);
//用JsonUtility解析到gltf数据
_loader.ParseJson(_storage.GetString(name));
//加载buffers里面的.bin数据
int total = _loader.gltf.buffers.Count;
int current = 0;
var stepPrecent = showWithTexture ? 0.4f : 0.8f;
foreach (var buffer in _loader.gltf.buffers)
{
Debug.Log(buffer.uri);
await _storage.LoadBinary(buffer.uri, p => progress?.Invoke(0.1f + stepPrecent * (current + p) / total));
if (_unloaded)
{
return(null);
}
//Debug.Log(buffer.uri + " loaded");
buffer.OpenStorage(_storage);
current++;
}
//跳过图片的加载
if (showWithTexture)
{
current = 0;
total = _loader.gltf.images.Count;
foreach (var image in _loader.gltf.images)
{
await _storage.LoadTexture(image.uri, p => progress?.Invoke(0.5f + 0.4f * (current + p) / total));
current++;
if (_unloaded)
{
return(null);
}
}
}
//解析mesh、material、animation等数据
await _loader.Load(_storage, p => progress?.Invoke(0.9f + p * 0.1f));
if (_unloaded)
{
return(null);
}
//loader.Parse(url,www.downloadHandler.data);
_loader.ShowMeshes();
_loader.root.SetActive(false);
_loader.root.transform.SetParent(transform);
_loader.root.SetActive(true);
return(_loader.root);
}