public void ProcessOnAnyThread(glTF gltf, IStorage storage)
{
var imageIndex = gltf.GetImageIndexFromTextureIndex(m_textureIndex);
var segments = gltf.GetImageBytes(storage, imageIndex, out m_textureName);
m_imageBytes = ToArray(segments);
}
public static async Task <Texture2D> LoadTextureAsync(IAwaitCaller awaitCaller, glTF gltf, IStorage storage, int textureIndex)
{
var imageBytes = await awaitCaller.Run(() =>
{
var imageIndex = gltf.textures[textureIndex].source;
var segments = gltf.GetImageBytes(storage, imageIndex);
return(ToArray(segments));
});
//
// texture from image(png etc) bytes
//
var colorSpace = gltf.GetColorSpace(textureIndex);
var texture = new Texture2D(2, 2, TextureFormat.ARGB32, false, colorSpace == RenderTextureReadWrite.Linear);
texture.name = gltf.textures[textureIndex].name;
if (imageBytes != null)
{
texture.LoadImage(imageBytes);
}
var sampler = gltf.GetSamplerFromTextureIndex(textureIndex);
if (sampler != null)
{
TextureSamplerUtil.SetSampler(texture, sampler);
}
return(texture);
}
public void GetImageBytes(glTF gltf, IStorage storage)
{
if (IsAsset)
{
return;
}
var imageIndex = gltf.GetImageIndexFromTextureIndex(m_textureIndex);
m_imageBytes = ToArray(gltf.GetImageBytes(storage, imageIndex, out m_textureName));
}
/// <summary>
/// Extract images from glb or gltf out of Assets folder.
/// </summary>
/// <param name="prefabPath"></param>
public void ExtranctImages(UnityPath prefabPath)
{
var prefabParentDir = prefabPath.Parent;
// glb buffer
var folder = prefabPath.GetAssetFolder(".Textures");
//
// https://answers.unity.com/questions/647615/how-to-update-import-settings-for-newly-created-as.html
//
int created = 0;
//for (int i = 0; i < GLTF.textures.Count; ++i)
for (int i = 0; i < GLTF.images.Count; ++i)
{
folder.EnsureFolder();
//var x = GLTF.textures[i];
var image = GLTF.images[i];
var src = Storage.GetPath(image.uri);
if (UnityPath.FromFullpath(src).IsUnderAssetsFolder)
{
// asset is exists.
}
else
{
string textureName;
var byteSegment = GLTF.GetImageBytes(Storage, i, out textureName);
// path
var dst = folder.Child(textureName + image.GetExt());
File.WriteAllBytes(dst.FullPath, byteSegment.ToArray());
dst.ImportAsset();
// make relative path from PrefabParentDir
image.uri = dst.Value.Substring(prefabParentDir.Value.Length + 1);
++created;
}
}
if (created > 0)
{
AssetDatabase.Refresh();
}
CreateTextureItems(prefabParentDir);
}
public IEnumerator ProcessOnMainThread(glTF gltf, IStorage storage, bool isLinear, glTFTextureSampler sampler)
{
var gltfTexture = gltf.textures[m_textureIndex];
var bytes = gltf.GetImageBytes(storage, gltfTexture.source);
// tmp file
var tmp = Path.GetTempFileName();
using (var f = new FileStream(tmp, FileMode.Create))
{
f.Write(bytes.Array, bytes.Offset, bytes.Count);
}
using (var d = new Deleter(tmp))
{
var url = "file:///" + tmp.Replace("\\", "/");
Debug.LogFormat("UnityWebRequest: {0}", url);
#if UNITY_2017_1_OR_NEWER
using (var m_uwr = UnityWebRequestTexture.GetTexture(url, true))
{
yield return(m_uwr.SendWebRequest());
if (m_uwr.isNetworkError || m_uwr.isHttpError)
{
Debug.LogWarning(m_uwr.error);
}
else
{
// Get downloaded asset bundle
Texture = ((DownloadHandlerTexture)m_uwr.downloadHandler).texture;
Texture.name = m_textureName;
}
}
#elif UNITY_5
using (var m_uwr = new WWW(url))
{
yield return(m_uwr);
// wait for request
while (!m_uwr.isDone)
{
yield return(null);
}
if (!string.IsNullOrEmpty(m_uwr.error))
{
Debug.Log(m_uwr.error);
yield break;
}
// Get downloaded asset bundle
Texture = m_uwr.textureNonReadable;
Texture.name = m_textureName;
}
#else
#error Unsupported Unity version
#endif
}
if (sampler != null)
{
TextureSamplerUtil.SetSampler(Texture, sampler);
}
}
public static ArraySegment <Byte> GetImageBytesFromTextureIndex(this glTF self, IStorage storage, int textureIndex)
{
var imageIndex = self.textures[textureIndex].source;
return(self.GetImageBytes(storage, imageIndex));
}