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Improve performance of ActorInfo.TraitsInConstructOrder.

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Avoid redundant enumerations of the more and unresolved enumerables. This gives an approx 3x speedup for this function.
This commit is contained in:
RoosterDragon
2023-03-28 19:23:40 +01:00
committed by Gustas
parent a5ef6801c9
commit 95f675becd
1 changed files with 16 additions and 9 deletions
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25
OpenRA.Game/GameRules/ActorInfo.cs
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@@ -115,27 +115,34 @@ namespace OpenRA
}).ToList();
var resolved = source.Where(s => s.Dependencies.Count == 0 && s.OptionalDependencies.Count == 0).ToList();
var unresolved = source.Except(resolved);
var unresolved = source.ToHashSet();
unresolved.ExceptWith(resolved);
var testResolve = new Func<Type, Type, bool>((a, b) => a == b || a.IsAssignableFrom(b));
bool AreResolvable(Type a, Type b) => a.IsAssignableFrom(b);
// This query detects which unresolved traits can be immediately resolved as all their direct dependencies are met.
var more = unresolved.Where(u =>
u.Dependencies.All(d => // To be resolvable, all dependencies must be satisfied according to the following conditions:
resolved.Exists(r => testResolve(d, r.Type)) && // There must exist a resolved trait that meets the dependency.
!unresolved.Any(u1 => testResolve(d, u1.Type))) && // All matching traits that meet this dependency must be resolved first.
resolved.Exists(r => AreResolvable(d, r.Type)) && // There must exist a resolved trait that meets the dependency.
!unresolved.Any(u1 => AreResolvable(d, u1.Type))) && // All matching traits that meet this dependency must be resolved first.
u.OptionalDependencies.All(d => // To be resolvable, all optional dependencies must be satisfied according to the following condition:
!unresolved.Any(u1 => testResolve(d, u1.Type)))); // All matching traits that meet this optional dependencies must be resolved first.
!unresolved.Any(u1 => AreResolvable(d, u1.Type)))); // All matching traits that meet this optional dependencies must be resolved first.
// Continue resolving traits as long as possible.
// Each time we resolve some traits, this means dependencies for other traits may then be possible to satisfy in the next pass.
while (more.Any())
resolved.AddRange(more);
var readyToResolve = more.ToList();
while (readyToResolve.Count != 0)
{
resolved.AddRange(readyToResolve);
unresolved.ExceptWith(readyToResolve);
readyToResolve.Clear();
readyToResolve.AddRange(more);
}
if (unresolved.Any())
if (unresolved.Count != 0)
{
var exceptionString = "ActorInfo(\"" + Name + "\") failed to initialize because of the following:\r\n";
var missing = unresolved.SelectMany(u => u.Dependencies.Where(d => !source.Any(s => testResolve(d, s.Type)))).Distinct();
var missing = unresolved.SelectMany(u => u.Dependencies.Where(d => !source.Any(s => AreResolvable(d, s.Type)))).Distinct();
exceptionString += "Missing:\r\n";
foreach (var m in missing)