/// <summary>
/// Unity callback that is invoked before the first frame update.
/// </summary>
void Start()
{
Gui.Instance.DefaultFooterMessage
= "drag .glb/.zip onto window to view";
Gui.Instance.ResetFooterMessage();
// run javascript startup tasks (e.g. register event
// handlers for drag-and-drop)
JsLib.Init();
// Set up callbacks for logging progress messages during
// glTF imports.
//
// On the WebGL platform, progress messages are rendered as HTML
// as part of the containing web page (outside of the Unity WebGL canvas),
// whereas on Windows/Android the progress messages are rendered
// directly on top of the view using IMGUI methods.
ProgressLog.Instance.AddLineCallback = JsLib.AddProgressLogLine;
ProgressLog.Instance.UpdateLineCallback = JsLib.UpdateProgressLogLine;
ProgressLog.Instance.ResetLogCallback = JsLib.ResetProgressLog;
// Set max bone weights per vertex to 4 (default is 2).
// This prevents skinned glTF models that use more than 2
// bone weights per vertex from exploding.
#if UNITY_2019_2_OR_NEWER
QualitySettings.skinWeights = SkinWeights.FourBones;
#else
QualitySettings.blendWeights = BlendWeights.FourBones;
#endif
}
/// <summary>
/// Unity callback that is invoked before the first frame update.
/// </summary>
void Start()
{
Gui.Instance.DefaultFooterMessage
= "drag .glb/.zip onto window to view";
Gui.Instance.ResetFooterMessage();
// run javascript startup tasks (e.g. register event
// handlers for drag-and-drop)
JsLib.Init();
// Set up callbacks for logging progress messages during
// glTF imports.
//
// On the WebGL platform, progress messages are rendered as HTML
// as part of the containing web page (outside of the Unity WebGL canvas),
// whereas on Windows/Android the progress messages are rendered
// directly on top of the view using IMGUI methods.
ProgressLog.Instance.AddLineCallback = JsLib.AddProgressLogLine;
ProgressLog.Instance.UpdateLineCallback = JsLib.UpdateProgressLogLine;
ProgressLog.Instance.ResetLogCallback = JsLib.ResetProgressLog;
// load default model (Piglet mascot)
GameManager.Instance.StartImport(Path.Combine(
Application.streamingAssetsPath, "piggleston.glb"));
}
/// <summary>
/// Import a glTF file that has been selected using the "Choose File"
/// button on the web page.
///
/// Reading the user's chosen glTF file is a bit tricky in the case of
/// WebGL. Although the javascript code is allowed
/// to read the contents of the user-selected glTF file,
/// it is not provided with the path to the file on the local
/// filesystem, nor is it allowed to read any files on the local
/// filesystem. Instead, we must read the byte content of the file
/// into memory on the javascript side and then copy those bytes
/// over to the C# side.
/// </summary>
/// <param name="filename">
/// The basename of the input file (not the absolute path!).
/// This filename is used as a key for accessing the byte
/// content of the file, which has been read in on the javascript
/// side.
/// </param>
public void ImportFileWebGl(string filename)
{
var size = JsLib.GetFileSize(filename);
var jsData = JsLib.GetFileData(filename);
var data = new byte[size];
Marshal.Copy(jsData, data, 0, size);
JsLib.FreeFileData(filename);
GameManager.Instance.StartImport(data, filename);
}