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Add support for importing skeleton-only as Skinned Model (eg. from animation file to have skeleton for retargeting)

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This commit is contained in:
Wojtek Figat
2023-05-04 15:43:44 +02:00
parent c91bc0d8c6
commit 71a5d56105
7 changed files with 94 additions and 43 deletions
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49
Source/Editor/Viewport/Previews/AnimatedModelPreview.cs
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@@ -273,6 +273,41 @@ namespace FlaxEditor.Viewport.Previews
_playAnimationOnce = true;
}
/// <summary>
/// Gets the skinned model bounds. Handles skeleton-only assets.
/// </summary>
/// <returns>The local bounds.</returns>
public BoundingBox GetBounds()
{
var box = BoundingBox.Zero;
var skinnedModel = SkinnedModel;
if (skinnedModel && skinnedModel.IsLoaded)
{
if (skinnedModel.LODs.Length != 0)
{
// Use model geometry bounds
box = skinnedModel.GetBox();
}
else
{
// Use skeleton bounds
_previewModel.GetCurrentPose(out var pose);
if (pose != null && pose.Length != 0)
{
var point = pose[0].TranslationVector;
box = new BoundingBox(point, point);
for (int i = 1; i < pose.Length; i++)
{
point = pose[i].TranslationVector;
box.Minimum = Vector3.Min(box.Minimum, point);
box.Maximum = Vector3.Max(box.Maximum, point);
}
}
}
}
return box;
}
private void OnBegin(RenderTask task, GPUContext context)
{
if (!ScaleToFit)
@@ -290,7 +325,7 @@ namespace FlaxEditor.Viewport.Previews
if (skinnedModel && skinnedModel.IsLoaded)
{
float targetSize = 50.0f;
BoundingBox box = skinnedModel.GetBox();
BoundingBox box = GetBounds();
float maxSize = Mathf.Max(0.001f, (float)box.Size.MaxValue);
float scale = targetSize / maxSize;
_previewModel.Scale = new Vector3(scale);
@@ -411,13 +446,21 @@ namespace FlaxEditor.Viewport.Previews
base.Draw();
var skinnedModel = _previewModel.SkinnedModel;
if (_showCurrentLOD && skinnedModel)
if (skinnedModel == null || !skinnedModel.IsLoaded)
return;
var lods = skinnedModel.LODs;
if (lods.Length == 0)
{
// Force show skeleton for models without geometry
ShowNodes = true;
return;
}
if (_showCurrentLOD)
{
var lodIndex = ComputeLODIndex(skinnedModel);
string text = string.Format("Current LOD: {0}", lodIndex);
if (lodIndex != -1)
{
var lods = skinnedModel.LODs;
lodIndex = Mathf.Clamp(lodIndex + PreviewActor.LODBias, 0, lods.Length - 1);
var lod = lods[lodIndex];
int triangleCount = 0, vertexCount = 0;