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using Unity.Collections;
using UnityEngine;
namespace NGS.MeshFusionPro;
public class MeshDataNativeArraysSTD : CombinedMeshDataInternal
{
private CombinedMesh _root;
private NativeList<Vector3> _vertices;
private NativeList<Vector3> _normals;
private NativeList<Vector4> _tangents;
private NativeList<Bounds> _partsBounds;
private NativeList<Bounds> _partsBoundsLocal;
private NativeArray<Bounds> _bounds;
public NativeArray<Vector3> Vertices => _vertices;
public NativeArray<Vector3> Normals => _normals;
public NativeArray<Vector4> Tangents => _tangents;
public NativeArray<Bounds> PartsBounds => _partsBounds;
public NativeArray<Bounds> PartsBoundsLocal => _partsBoundsLocal;
public NativeArray<Bounds> Bounds => _bounds;
public override Bounds GetBounds()
{
return _bounds[0];
}
public override Bounds GetBounds(CombinedMeshPart part)
{
return _partsBounds[part.Index];
}
public void ApplyDataToMesh()
{
Mesh mesh = _root.Mesh;
mesh.SetVertices(Vertices);
mesh.SetNormals(Normals);
mesh.SetTangents(Tangents);
mesh.bounds = _bounds[0];
}
protected override void OnInitialized()
{
_root = base.Root;
_vertices = new NativeList<Vector3>(Allocator.Persistent);
_normals = new NativeList<Vector3>(Allocator.Persistent);
_tangents = new NativeList<Vector4>(Allocator.Persistent);
_partsBounds = new NativeList<Bounds>(Allocator.Persistent);
_partsBoundsLocal = new NativeList<Bounds>(Allocator.Persistent);
_bounds = new NativeArray<Bounds>(1, Allocator.Persistent);
}
protected override void OnAddPart(CombinedMeshPart part, Mesh mesh, Matrix4x4 transform)
{
Bounds value = mesh.bounds;
Bounds value2 = value.Transform(transform);
_partsBounds.Add(in value2);
_partsBoundsLocal.Add(in value);
}
protected override void OnRemovePart(CombinedMeshPart part)
{
_partsBounds.RemoveAt(part.Index);
_partsBoundsLocal.RemoveAt(part.Index);
}
protected override void OnMeshUpdated()
{
Mesh mesh = _root.Mesh;
int vertexCount = mesh.vertexCount;
_vertices.ResizeUninitialized(vertexCount);
_normals.ResizeUninitialized(vertexCount);
_tangents.ResizeUninitialized(vertexCount);
using (Mesh.MeshDataArray meshDataArray = Mesh.AcquireReadOnlyMeshData(mesh))
{
Mesh.MeshData meshData = meshDataArray[0];
meshData.GetVertices(_vertices);
meshData.GetNormals(_normals);
meshData.GetTangents(_tangents);
}
_bounds[0] = mesh.bounds;
}
protected override void OnDispose()
{
_vertices.Dispose();
_normals.Dispose();
_tangents.Dispose();
_partsBounds.Dispose();
_partsBoundsLocal.Dispose();
_bounds.Dispose();
}
}
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