48 lines
1.3 KiB
C#
48 lines
1.3 KiB
C#
namespace SpriteCompiler.AI
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{
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using System;
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using System.Collections.Generic;
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public abstract class AbstractSearchNode<A, S, T, C> : ISearchNode<A, S, T, C>
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where T : ISearchNode<A, S, T, C>
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where C : IPathCost<C>
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{
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protected readonly S state;
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protected readonly T parent;
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protected A action = default(A);
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protected C pathCost = default(C);
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protected C stepCost = default(C);
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protected readonly int depth;
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public AbstractSearchNode(T node, S state)
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{
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this.state = state;
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this.parent = node;
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this.depth = HasParent ? parent.Depth + 1 : 0;
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}
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private bool HasParent { get { return !EqualityComparer<T>.Default.Equals(parent, default(T)); } }
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public A Action { get { return action; } set { action = value; } }
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public T Parent { get { return parent; } }
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public C PathCost { get { return pathCost; } }
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public int Depth { get { return depth; } }
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public S State { get { return state; } }
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public C StepCost
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{
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get
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{
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return stepCost;
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}
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set
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{
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stepCost = value;
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pathCost = HasParent ? parent.PathCost.Add(value) : value;
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}
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}
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}
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}
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