JonKazama-Hellion/Craftimizer
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Minor optimizations

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This commit is contained in:
Asriel Camora
2023-07-04 07:40:34 +02:00
parent c8aa6818c7
commit 4b90ded2bb
2 changed files with 25 additions and 4 deletions
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Solver/Crafty/ActionSet.cs
+24 -3
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@@ -9,19 +9,37 @@ public struct ActionSet
{
private uint bits;
[Pure]
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private static int FromAction(ActionType action) => Simulator.AcceptedActionsLUT[(byte)action];
[Pure]
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private static ActionType ToAction(int index) => Simulator.AcceptedActions[index];
[Pure]
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private static uint ToMask(ActionType action) => 1u << (FromAction(action) + 1);
// Return true if action was newly added and not there before.
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void AddAction(ActionType action) => bits |= 1u << (FromAction(action) + 1);
public bool AddAction(ActionType action)
{
var mask = ToMask(action);
var old = Interlocked.Or(ref bits, mask);
return (old & mask) == 0;
}
// Return true if action was newly removed and not already gone.
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void RemoveAction(ActionType action) => bits &= ~(1u << (FromAction(action) + 1));
public bool RemoveAction(ActionType action)
{
var mask = ToMask(action);
var old = Interlocked.And(ref bits, ~mask);
return (old & mask) != 0;
}
[Pure]
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public readonly bool HasAction(ActionType action) => (bits & (1u << (FromAction(action) + 1))) != 0;
public readonly bool HasAction(ActionType action) => (bits & ToMask(action)) != 0;
[Pure]
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public readonly ActionType ElementAt(int index) => ToAction(Intrinsics.NthBitSet(bits, index) - 1);
@@ -29,6 +47,9 @@ public struct ActionSet
[Pure]
public readonly int Count => BitOperations.PopCount(bits);
[Pure]
public readonly bool IsEmpty => bits == 0;
[MethodImpl(MethodImplOptions.AggressiveInlining)]
//public readonly ActionType SelectRandom(Random random) => ElementAt(random.Next(Count));
public readonly ActionType SelectRandom(Random random) => First();