Files
Craftimizer/Solver/Crafty/Arena.cs
T
2023-06-19 17:02:09 -07:00

34 lines
962 B
C#

using System.Runtime.CompilerServices;
namespace Craftimizer.Solver.Crafty;
public class Arena<T> where T : struct
{
public readonly record struct Node
{
public int? Parent { get; init; }
public int Index { get; init; }
public List<int> Children { get; init; }
public T State { get; init; }
}
private readonly List<Node> nodes = new();
public Arena(T initialState = default)
{
nodes.Add(new() { Parent = null, Index = 0, Children = new(), State = initialState });
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public int Insert(int parentIndex, T state)
{
var index = nodes.Count;
nodes.Add(new() { Parent = parentIndex, Index = index, Children = new(), State = state });
nodes[parentIndex].Children.Add(index);
return index;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public Node Get(int index) => nodes[index];
}