PIbd-23_Polevoy_S.V._SelfPr.../SelfPropelledArtilleryUnit/SetArtilleriesGeneric.cs

85 lines
1.8 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Artilleries
{
internal class SetArtilleriesGeneric<T>
where T : class
{
private readonly T[] _places;
public int Count => _places.Length;
public SetArtilleriesGeneric(int count)
{
_places = new T[count];
}
public bool Insert(T artillery)
{
return Insert(artillery, 0);
}
public bool Insert(T artillery, int position)
{
if (position < 0 || position >= Count)
{
return false;
}
if (_places[position] == null)
{
_places[position] = artillery;
return true;
}
int firstNull = -1;
for (int i = position + 1; i < Count; i++)
{
if (_places[i] == null)
{
firstNull = i;
break;
}
}
if (firstNull == -1)
{
return false;
}
for (int i = firstNull; i > position; i--)
{
(_places[i], _places[i - 1]) = (_places[i - 1], _places[i]);
}
_places[position] = artillery;
return true;
}
public bool Remove(int position)
{
if (position < 0 || position >= Count || _places[position] == null)
{
return false;
}
_places[position] = null;
return true;
}
public T Get(int position)
{
if (position < 0 || position >= Count)
{
return null;
}
return _places[position];
}
}
}