83 lines
1.6 KiB
C#
83 lines
1.6 KiB
C#
using System;
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namespace Server;
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public class Point3DList
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{
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private static readonly Point3D[] m_EmptyList = Array.Empty<Point3D>();
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private Point3D[] m_List;
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public Point3DList()
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{
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m_List = new Point3D[16];
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Count = 0;
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}
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public int Count { get; private set; }
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public Point3D Last => m_List[Count - 1];
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public Point3D this[int index] => m_List[index];
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public void Clear()
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{
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Count = 0;
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}
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public void Add(int x, int y, int z)
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{
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if (Count + 1 > m_List.Length)
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{
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var old = m_List;
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m_List = new Point3D[old.Length * 2];
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for (var i = 0; i < old.Length; ++i)
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{
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m_List[i] = old[i];
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}
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}
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m_List[Count].m_X = x;
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m_List[Count].m_Y = y;
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m_List[Count].m_Z = z;
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++Count;
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}
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public void Add(Point3D p)
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{
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if (Count + 1 > m_List.Length)
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{
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var old = m_List;
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m_List = new Point3D[old.Length * 2];
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for (var i = 0; i < old.Length; ++i)
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{
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m_List[i] = old[i];
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}
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}
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m_List[Count].m_X = p.m_X;
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m_List[Count].m_Y = p.m_Y;
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m_List[Count].m_Z = p.m_Z;
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++Count;
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}
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public Point3D[] ToArray()
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{
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if (Count == 0)
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{
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return m_EmptyList;
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}
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var list = new Point3D[Count];
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for (var i = 0; i < Count; ++i)
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{
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list[i] = m_List[i];
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}
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Count = 0;
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return list;
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}
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}
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