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Make RPriorityQueue.Count point directly to the queue.Count instead of manually updating every operation.

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This commit is contained in:
glax 2023-05-17 19:00:47 +02:00
parent 3077b4d8b8
commit dc98fb51b1
1 changed files with 1 additions and 5 deletions
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6
Pathfinding/RPriorityQueue.cs
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@ -3,7 +3,7 @@ namespace Pathfinding;
public class RPriorityQueue<TKey, TPriority> where TKey : notnull public class RPriorityQueue<TKey, TPriority> where TKey : notnull
{ {
public Dictionary<TKey, TPriority> queue; public Dictionary<TKey, TPriority> queue;
public int Count { get; private set; } public int Count => queue.Count;
public RPriorityQueue() public RPriorityQueue()
{ {
@ -14,14 +14,12 @@ public class RPriorityQueue<TKey, TPriority> where TKey : notnull
{ {
if (!queue.TryAdd(key, priority)) if (!queue.TryAdd(key, priority))
queue[key] = priority; queue[key] = priority;
Count = queue.Count;
} }
public TKey? Dequeue() public TKey? Dequeue()
{ {
TKey? retKey = queue.MinBy(item => item.Value).Key; TKey? retKey = queue.MinBy(item => item.Value).Key;
queue.Remove(retKey); queue.Remove(retKey);
Count = queue.Count;
return retKey; return retKey;
} }
@ -30,7 +28,6 @@ public class RPriorityQueue<TKey, TPriority> where TKey : notnull
int before = Count; int before = Count;
queue = queue.Where(queueitem => !elements.Contains(queueitem.Key)) queue = queue.Where(queueitem => !elements.Contains(queueitem.Key))
.ToDictionary(item => item.Key, item => item.Value); .ToDictionary(item => item.Key, item => item.Value);
Count = queue.Count;
return before - Count; return before - Count;
} }
@ -38,7 +35,6 @@ public class RPriorityQueue<TKey, TPriority> where TKey : notnull
{ {
int before = Count; int before = Count;
queue = queue.IntersectBy(exceptKeys, item => item.Key).ToDictionary(item => item.Key, item => item.Value); queue = queue.IntersectBy(exceptKeys, item => item.Key).ToDictionary(item => item.Key, item => item.Value);
Count = queue.Count;
return before - Count; return before - Count;
} }