ExternalCondition: remove unneeded source references

This commit is contained in:
atlimit8
2017-08-27 11:19:10 +00:00
committed by Paul Chote
parent c7d3c3ec73
commit f51323daa3

View File

@@ -32,18 +32,27 @@ namespace OpenRA.Mods.Common.Traits
public object Create(ActorInitializer init) { return new ExternalCondition(init.Self, this); }
}
public class ExternalCondition
public class ExternalCondition : ITick
{
class TimedToken
{
public int Token;
public int Expires;
public readonly int Token;
public readonly int Expires;
public readonly object Source;
public TimedToken(int token, Actor self, object source, int duration)
{
Token = token;
Expires = self.World.WorldTick + duration;
Source = source;
}
}
public readonly ExternalConditionInfo Info;
readonly ConditionManager conditionManager;
readonly Dictionary<object, HashSet<int>> permanentTokens = new Dictionary<object, HashSet<int>>();
readonly Dictionary<object, HashSet<TimedToken>> timedTokens = new Dictionary<object, HashSet<TimedToken>>();
readonly Dictionary<object, Dictionary<int, TimedToken>> timedTokensBySource = new Dictionary<object, Dictionary<int, TimedToken>>();
readonly List<KeyValuePair<int, TimedToken>> timedTokensByExpiration = new List<KeyValuePair<int, TimedToken>>();
public ExternalCondition(Actor self, ExternalConditionInfo info)
{
@@ -58,39 +67,57 @@ namespace OpenRA.Mods.Common.Traits
// Timed tokens do not count towards the source cap: the condition with the shortest
// remaining duration can always be revoked to make room.
if (Info.SourceCap > 0 && permanentTokens.GetOrAdd(source).Count >= Info.SourceCap)
return false;
if (Info.SourceCap > 0)
{
HashSet<int> permanentTokensForSource;
if (permanentTokens.TryGetValue(source, out permanentTokensForSource) && permanentTokensForSource.Count >= Info.SourceCap)
return false;
}
if (Info.TotalCap > 0 && permanentTokens.Values.SelectMany(t => t).Count() >= Info.TotalCap)
if (Info.TotalCap > 0 && permanentTokens.Values.Sum(t => t.Count) >= Info.TotalCap)
return false;
return true;
}
void RemoveFromExpiration(TimedToken timedToken)
{
timedTokensByExpiration.RemoveAt(timedTokensByExpiration.FindIndex(p => p.Value == timedToken));
}
void AddForExpiration(TimedToken timedToken)
{
var index = timedTokensByExpiration.FindIndex(p => p.Key >= timedToken.Expires);
if (index >= 0)
timedTokensByExpiration.Insert(index, new KeyValuePair<int, TimedToken>(timedToken.Expires, timedToken));
else
timedTokensByExpiration.Add(new KeyValuePair<int, TimedToken>(timedToken.Expires, timedToken));
}
public int GrantCondition(Actor self, object source, int duration = 0)
{
if (conditionManager == null || source == null || !CanGrantCondition(self, source))
if (!CanGrantCondition(self, source))
return ConditionManager.InvalidConditionToken;
var token = conditionManager.GrantCondition(self, Info.Condition, duration);
var permanent = permanentTokens.GetOrAdd(source);
HashSet<int> permanent;
permanentTokens.TryGetValue(source, out permanent);
if (duration > 0)
{
var timed = timedTokens.GetOrAdd(source);
// Remove expired tokens
timed.RemoveWhere(t => t.Expires < self.World.WorldTick);
var timed = timedTokensBySource.GetOrAdd(source);
// Check level caps
if (Info.SourceCap > 0)
{
if (permanent.Count + timed.Count >= Info.SourceCap)
if ((permanent != null ? permanent.Count + timed.Count : timed.Count) >= Info.SourceCap)
{
var expire = timed.MinByOrDefault(t => t.Expires);
var expire = timed.MinByOrDefault(t => t.Value.Expires).Value;
if (expire != null)
{
timed.Remove(expire);
timed.Remove(expire.Token);
RemoveFromExpiration(expire);
if (conditionManager.TokenValid(self, expire.Token))
conditionManager.RevokeCondition(self, expire.Token);
}
@@ -99,24 +126,28 @@ namespace OpenRA.Mods.Common.Traits
if (Info.TotalCap > 0)
{
var totalCount = permanentTokens.Values.SelectMany(t => t).Count() + timedTokens.Values.SelectMany(t => t).Count();
var totalCount = permanentTokens.Values.Sum(t => t.Count) + timedTokensByExpiration.Count;
if (totalCount >= Info.TotalCap)
{
// Prefer tokens from the same source
var expire = timedTokens.SelectMany(t => t.Value.Select(tt => new Tuple<object, TimedToken>(t.Key, tt)))
.MinByOrDefault(t => t.Item2.Expires);
var expire = timedTokensByExpiration.FirstOrDefault().Value;
if (expire != null)
{
if (conditionManager.TokenValid(self, expire.Item2.Token))
conditionManager.RevokeCondition(self, expire.Item2.Token);
if (conditionManager.TokenValid(self, expire.Token))
conditionManager.RevokeCondition(self, expire.Token);
timedTokens[expire.Item1].Remove(expire.Item2);
timedTokensBySource[expire.Source].Remove(expire.Token);
RemoveFromExpiration(expire);
}
}
}
timed.Add(new TimedToken { Expires = self.World.WorldTick + duration, Token = token });
var timedToken = new TimedToken(token, self, source, duration);
timed.Add(token, timedToken);
AddForExpiration(timedToken);
}
else if (permanent == null)
permanentTokens.Add(source, new HashSet<int> { token });
else
permanent.Add(token);
@@ -138,9 +169,16 @@ namespace OpenRA.Mods.Common.Traits
}
else
{
HashSet<TimedToken> timedTokensForSource = null;
if (timedTokens.TryGetValue(source, out timedTokensForSource) && timedTokensForSource.RemoveWhere(t => t.Token == token) == 0)
return false;
Dictionary<int, TimedToken> timedTokensForSource;
if (timedTokensBySource.TryGetValue(source, out timedTokensForSource))
{
TimedToken timedToken;
if (!timedTokensForSource.TryGetValue(token, out timedToken))
return false;
timedTokensForSource.Remove(token);
RemoveFromExpiration(timedToken);
}
}
if (conditionManager.TokenValid(self, token))
@@ -148,5 +186,29 @@ namespace OpenRA.Mods.Common.Traits
return true;
}
void ITick.Tick(Actor self)
{
if (timedTokensByExpiration.Count == 0)
return;
// Remove expired tokens
var worldTick = self.World.WorldTick;
var pair = timedTokensByExpiration[0];
while (pair.Key < worldTick)
{
var timed = pair.Value;
var timedTokensForSource = timedTokensBySource[timed.Source];
timedTokensForSource.Remove(timed.Token);
if (timedTokensForSource.Count == 0)
timedTokensBySource.Remove(timed.Source);
timedTokensByExpiration.RemoveAt(0);
if (timedTokensByExpiration.Count == 0)
return;
pair = timedTokensByExpiration[0];
}
}
}
}