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Adding ability to get vertex count and triangle count from model load #500

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merged 2 commits into from
Oct 7, 2019
Merged

Adding ability to get vertex count and triangle count from model load #500

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86d1437
adding statistics on import to be able to see vert count and tri count
Oct 3, 2019
dcd1b11
added statistics to model loading
Oct 3, 2019
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1 change: 1 addition & 0 deletions UnityGLTF/Assets/UnityGLTF/Scripts/GLTFComponent.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -140,6 +140,7 @@ public async Task Load()
}
}

print("model loaded with vertices: " + sceneImporter.Statistics.VertexCount.ToString() + ", triangles: " + sceneImporter.Statistics.TriangleCount.ToString());
LastLoadedScene = sceneImporter.LastLoadedScene;

Animations = sceneImporter.LastLoadedScene.GetComponents<Animation>();
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20 changes: 20 additions & 0 deletions UnityGLTF/Assets/UnityGLTF/Scripts/GLTFSceneImporter.cs
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Expand Up @@ -82,6 +82,12 @@ public float Progress
}
}

public struct ImportStatistics
{
public long TriangleCount;
public long VertexCount;
}

/// <summary>
/// Converts gltf animation data to unity
/// </summary>
Expand Down Expand Up @@ -166,6 +172,11 @@ public bool IsMultithreaded
/// </summary>
public bool CullFarLOD = false;

/// <summary>
/// Statistics from the scene
/// </summary>
public ImportStatistics Statistics;

protected struct GLBStream
{
public Stream Stream;
Expand Down Expand Up @@ -280,6 +291,8 @@ public async Task LoadSceneAsync(int sceneIndex = -1, bool showSceneObj = true,

this.progressStatus = new ImportProgress();
this.progress = progress;

Statistics = new ImportStatistics();
progress?.Report(progressStatus);

if (_gltfRoot == null)
Expand Down Expand Up @@ -1620,8 +1633,14 @@ protected virtual async Task ConstructMesh(GLTFMesh mesh, int meshIndex, Cancell

var vertCount = primitive.Attributes[SemanticProperties.POSITION].Value.Count;
vertOffset += (int)vertCount;

if (unityData.Topology[i] == MeshTopology.Triangles && primitive.Indices != null && primitive.Indices.Value != null)
{
Statistics.TriangleCount += primitive.Indices.Value.Count / 3;
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}
}

Statistics.VertexCount += vertOffset;
await ConstructUnityMesh(unityData, meshIndex, mesh.Name);
}

Expand Down Expand Up @@ -2333,6 +2352,7 @@ private async Task SetupLoad(Func<Task> callback)
_isRunning = true;
}

Statistics = new ImportStatistics();
if (_options.ThrowOnLowMemory)
{
_memoryChecker = new MemoryChecker();
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