using System.Collections.Generic;
using UnityEngine;

namespace NGS.MeshFusionPro;

public class MeshDataListsSTD : CombinedMeshDataInternal
{
	private CombinedMesh _root;

	private List<Vector3> _vertices;

	private List<Vector3> _normals;

	private List<Vector4> _tangents;

	private List<Bounds> _partsBounds;

	private List<Bounds> _partsBoundsLocal;

	public List<Vector3> Vertices => _vertices;

	public List<Vector3> Normals => _normals;

	public List<Vector4> Tangents => _tangents;

	public List<Bounds> PartsBounds => _partsBounds;

	public List<Bounds> PartsBoundsLocal => _partsBoundsLocal;

	public Bounds Bounds { get; set; }

	public override Bounds GetBounds()
	{
		return Bounds;
	}

	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;
	}

	protected override void OnInitialized()
	{
		_root = base.Root;
		_vertices = new List<Vector3>();
		_normals = new List<Vector3>();
		_tangents = new List<Vector4>();
		_partsBounds = new List<Bounds>();
		_partsBoundsLocal = new List<Bounds>();
	}

	protected override void OnAddPart(CombinedMeshPart part, Mesh mesh, Matrix4x4 transform)
	{
		Bounds bounds = mesh.bounds;
		Bounds item = bounds.Transform(transform);
		_partsBounds.Add(item);
		_partsBoundsLocal.Add(bounds);
	}

	protected override void OnRemovePart(CombinedMeshPart part)
	{
		_partsBounds.RemoveAt(part.Index);
		_partsBoundsLocal.RemoveAt(part.Index);
	}

	protected override void OnMeshUpdated()
	{
		Mesh mesh = _root.Mesh;
		mesh.GetVertices(_vertices);
		mesh.GetNormals(_normals);
		mesh.GetTangents(_tangents);
		Bounds = mesh.bounds;
	}
}