niko
68 lines
2.0 KiB
C#
68 lines
2.0 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using ProBuilder2.Common;
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namespace ProBuilder2.MeshOperations
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{
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// Token: 0x0200000E RID: 14
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public static class pb_DeleteVertices
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{
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// Token: 0x0600008C RID: 140 RVA: 0x0000B864 File Offset: 0x00009C64
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public static int[] RemoveUnusedVertices(this pb_Object pb)
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{
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List<int> list = new List<int>();
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HashSet<int> hashSet = new HashSet<int>(pb_Face.AllTriangles(pb.faces));
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for (int i = 0; i < pb.vertices.Length; i++)
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{
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if (!hashSet.Contains(i))
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{
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list.Add(i);
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}
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}
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pb.DeleteVerticesWithIndices(list);
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return list.ToArray();
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}
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// Token: 0x0600008D RID: 141 RVA: 0x0000B8C4 File Offset: 0x00009CC4
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public static void DeleteVerticesWithIndices(this pb_Object pb, IEnumerable<int> distInd)
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{
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if (distInd == null || distInd.Count<int>() < 1)
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{
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return;
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}
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pb_Vertex[] array = pb_Vertex.GetVertices(pb, null);
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int num = array.Length;
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int[] offset = new int[num];
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List<int> sorted = new List<int>(distInd);
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sorted.Sort();
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array = array.SortedRemoveAt(sorted);
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for (int i = 0; i < num; i++)
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{
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offset[i] = pbUtil.NearestIndexPriorToValue<int>(sorted, i) + 1;
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}
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foreach (pb_Face pb_Face in pb.faces)
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{
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int[] indices = pb_Face.indices;
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for (int k = 0; k < indices.Length; k++)
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{
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indices[k] -= offset[indices[k]];
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}
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pb_Face.RebuildCaches();
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}
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IEnumerable<KeyValuePair<int, int>> enumerable = from x in pb.sharedIndices.ToDictionary()
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where sorted.BinarySearch(x.Key) < 0
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select x into y
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select new KeyValuePair<int, int>(y.Key - offset[y.Key], y.Value);
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IEnumerable<KeyValuePair<int, int>> enumerable2 = from x in pb.sharedIndicesUV.ToDictionary()
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where sorted.BinarySearch(x.Key) < 0
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select x into y
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select new KeyValuePair<int, int>(y.Key - offset[y.Key], y.Value);
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pb.SetVertices(array, false);
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pb.SetSharedIndices(enumerable);
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pb.SetSharedIndicesUV(enumerable2);
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pb.ToMesh();
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}
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}
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}
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