using System;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;

namespace Parabox.STL
{
	// Token: 0x02000004 RID: 4
	public static class pb_Stl_Exporter
	{
		// Token: 0x06000007 RID: 7 RVA: 0x00002638 File Offset: 0x00000838
		public static bool Export(string path, GameObject[] gameObjects, FileType type)
		{
			Mesh[] array = pb_Stl_Exporter.CreateWorldSpaceMeshesWithTransforms(gameObjects.Select((GameObject x) => x.transform).ToArray<Transform>());
			bool flag = false;
			if (array != null && array.Length != 0 && !string.IsNullOrEmpty(path))
			{
				flag = pb_Stl.WriteFile(path, array, type, true);
			}
			int num = 0;
			while (array != null && num < array.Length)
			{
				global::UnityEngine.Object.DestroyImmediate(array[num]);
				num++;
			}
			return flag;
		}

		// Token: 0x06000008 RID: 8 RVA: 0x000026AC File Offset: 0x000008AC
		private static Mesh[] CreateWorldSpaceMeshesWithTransforms(IList<Transform> transforms)
		{
			if (transforms == null || transforms.Count < 1)
			{
				return null;
			}
			Vector3 vector = Vector3.zero;
			for (int i = 0; i < transforms.Count; i++)
			{
				vector += transforms[i].position;
			}
			Vector3 vector2 = vector / (float)transforms.Count;
			GameObject gameObject = new GameObject();
			gameObject.name = "ROOT";
			gameObject.transform.position = vector2;
			foreach (Transform transform in transforms)
			{
				GameObject gameObject2 = (GameObject)global::UnityEngine.Object.Instantiate(transform.gameObject);
				gameObject2.transform.SetParent(transform.parent, false);
				gameObject2.transform.SetParent(gameObject.transform, true);
			}
			gameObject.transform.position = Vector3.zero;
			List<MeshFilter> list = (from x in gameObject.GetComponentsInChildren<MeshFilter>()
				where x.sharedMesh != null
				select x).ToList<MeshFilter>();
			int count = list.Count;
			Mesh[] array = new Mesh[count];
			for (int j = 0; j < count; j++)
			{
				Transform transform2 = list[j].transform;
				Vector3[] vertices = list[j].sharedMesh.vertices;
				Vector3[] normals = list[j].sharedMesh.normals;
				for (int k = 0; k < vertices.Length; k++)
				{
					vertices[k] = transform2.TransformPoint(vertices[k]);
					normals[k] = transform2.TransformDirection(normals[k]);
				}
				array[j] = new Mesh
				{
					name = list[j].name,
					vertices = vertices,
					normals = normals,
					triangles = list[j].sharedMesh.triangles
				};
			}
			global::UnityEngine.Object.DestroyImmediate(gameObject);
			return array;
		}
	}
}