public async Task <IActionResult> GetAvailableBacklineDefense(short x, short y, int?maxTravelSeconds)
{
var currentVillages = await(
from user in CurrentSets.ActiveUser
join village in CurrentSets.Village on user.PlayerId equals village.PlayerId
join currentVillage in CurrentSets.CurrentVillage.Include(cv => cv.ArmyAtHome).Include(cv => cv.ArmyOwned)
on village.VillageId equals currentVillage.VillageId
where currentVillage.ArmyAtHomeId != null && currentVillage.ArmyOwnedId != null
select new { Village = village, CurrentVillage = currentVillage }
).ToListAsync();
var enemyVillages = await(
from enemy in CurrentSets.EnemyTribe
join player in CurrentSets.Player on enemy.EnemyTribeId equals player.TribeId
join village in CurrentSets.Village on player.PlayerId equals village.PlayerId
select new Coordinate {
X = village.X.Value, Y = village.Y.Value
}
).ToListAsync();
// Ignore current villages where < 10% of their troops are at home
currentVillages = currentVillages
// + 1 on army owned so we don't divide by 0 accidentally
.Where(v => ArmyStats.CalculateTotalPopulation(v.CurrentVillage.ArmyAtHome) / (float)(ArmyStats.CalculateTotalPopulation(v.CurrentVillage.ArmyOwned) + 1) > 0.2f)
.ToList();
var enemyMap = new Features.Spatial.Quadtree(enemyVillages);
var backlineSupport = currentVillages
.Where(s => !enemyMap.ContainsInRange(s.Village.X.Value, s.Village.Y.Value, 10))
.ToDictionary(s => s.Village, s => s.CurrentVillage);
var planner = new Features.Planning.CommandOptionsCalculator(CurrentWorldSettings);
planner.Requirements.Add(new MinimumDefenseRequirement {
MinimumDefense = 10000
}.LimitTroopType(ArmyStats.DefensiveTroopTypes));
if (maxTravelSeconds != null)
{
planner.Requirements.Add(new MaximumTravelTimeRequirement {
MaximumTime = TimeSpan.FromSeconds(maxTravelSeconds.Value)
});
}
var options = planner.GenerateOptions(backlineSupport, new Village {
X = x, Y = y
});
var villageIds = options.Select(o => o.SendFrom).Distinct().ToList();
var playerIds = await CurrentSets.Village.Where(v => villageIds.Contains(v.VillageId)).Select(v => v.PlayerId.Value).Distinct().ToListAsync();
if (playerIds.Contains(CurrentPlayerId))
{
playerIds.Remove(CurrentPlayerId);
}
var players = await CurrentSets.Player.Where(p => playerIds.Contains(p.PlayerId)).Select(p => new { PlayerName = p.PlayerName.UrlDecode(), p.PlayerId }).ToListAsync();
return(Ok(players));
}
public async Task <IActionResult> GetNearbySupportPlayers(short x, short y, int maxTravelSeconds)
{
var support = await(
from user in CurrentSets.ActiveUser
join village in CurrentSets.Village on user.PlayerId equals village.PlayerId
join currentVillage in CurrentSets.CurrentVillage.Include(cv => cv.ArmyAtHome) on village.VillageId equals currentVillage.VillageId
where currentVillage.ArmyAtHomeId != null
select new { Village = village, CurrentVillage = currentVillage }
).ToDictionaryAsync(
v => v.Village,
v => v.CurrentVillage
);
var planner = new Features.Planning.CommandOptionsCalculator(CurrentWorldSettings);
planner.Requirements.Add(new MinimumDefenseRequirement {
MinimumDefense = 10000
}.LimitTroopType(ArmyStats.DefensiveTroopTypes));
planner.Requirements.Add(new MaximumTravelTimeRequirement {
MaximumTime = TimeSpan.FromSeconds(maxTravelSeconds)
});
var options = planner.GenerateOptions(support, new Village {
X = x, Y = y
});
var villageIds = options.Select(o => o.SendFrom).Distinct().ToList();
var playerIds = await CurrentSets.Village.Where(v => villageIds.Contains(v.VillageId)).Select(v => v.PlayerId.Value).Distinct().ToListAsync();
if (playerIds.Contains(CurrentPlayerId))
{
playerIds.Remove(CurrentPlayerId);
}
var players = await CurrentSets.Player.Where(p => playerIds.Contains(p.PlayerId)).Select(p => new { PlayerName = p.PlayerName.UrlDecode(), p.PlayerId }).ToListAsync();
return(Ok(players));
}
public async Task <IActionResult> GetSuggestedActions()
{
PreloadWorldData();
PreloadTranslationData();
var serverTime = CurrentServerTime;
var twoDaysAgo = serverTime - TimeSpan.FromDays(2);
var twoDaysAgoTimestamp = new DateTimeOffset(twoDaysAgo).ToUnixTimeSeconds();
var ownVillageData = await(
from village in CurrentSets.Village
join currentVillage in CurrentSets.CurrentVillage
on village.VillageId equals currentVillage.VillageId
where village.PlayerId == CurrentPlayerId
select new { X = village.X.Value, Y = village.Y.Value, village.VillageId, VillageName = village.VillageName.UrlDecode(), currentVillage.ArmyAtHome, currentVillage.ArmyStationed }
).ToListAsync();
var vaultPlayerIds = await CurrentSets.ActiveUser.Select(u => u.PlayerId).ToListAsync();
var ownVillageMap = new Features.Spatial.Quadtree(ownVillageData.Select(v => new Coordinate {
X = v.X, Y = v.Y
}));
async Task <object> GetRecapSuggestions(CurrentContextDbSets CurrentSets)
{
var capturedVillages = await(
from conquer in CurrentSets.Conquer
join sourcePlayer in CurrentSets.ActiveUser on conquer.OldOwner equals sourcePlayer.PlayerId
join village in CurrentSets.Village on conquer.VillageId equals village.VillageId
where conquer.UnixTimestamp > twoDaysAgoTimestamp
where conquer.NewOwner == null || !vaultPlayerIds.Contains(conquer.NewOwner.Value)
where conquer.NewOwner == village.PlayerId
select new { X = village.X.Value, Y = village.Y.Value, VillageId = conquer.VillageId, village.VillageName, conquer.OldOwner, conquer.NewOwner, OccurredAt = DateTimeOffset.FromUnixTimeSeconds(conquer.UnixTimestamp).UtcDateTime }
).ToListAsync();
capturedVillages = capturedVillages
.GroupBy(v => v.VillageId)
.Select(g => g.OrderByDescending(v => v.OccurredAt).First())
.ToList();
var villageIds = capturedVillages.Select(v => v.VillageId).ToList();
var noblesToVillages = await(
from user in CurrentSets.ActiveUser
join command in CurrentSets.Command on user.PlayerId equals command.SourcePlayerId
where villageIds.Contains(command.TargetVillageId)
where command.ArmyId != null && command.Army.Snob > 0
where command.LandsAt > serverTime
select command
).ToListAsync();
var noblesToVillagesById = noblesToVillages.GroupBy(v => v.TargetVillageId).ToDictionary(g => g.Key, g => g.Count());
var relevantPlayerIds = capturedVillages
.Select(v => v.OldOwner.Value)
.Concat(capturedVillages.Where(v => v.NewOwner != null).Select(v => v.NewOwner.Value))
.Distinct()
.ToList();
var playerNamesById = await
CurrentSets.Player.Where(p => relevantPlayerIds.Contains(p.PlayerId))
.ToDictionaryAsync(p => p.PlayerId, p => p.PlayerName);
var loyaltyCalculator = new Features.Simulation.LoyaltyCalculator(CurrentWorldSettings.GameSpeed);
var possibleLoyalties = capturedVillages.ToDictionary(
v => v.VillageId,
v => loyaltyCalculator.PossibleLoyalty(25, serverTime - v.OccurredAt)
);
var tlNONE = await TranslateAsync("NONE");
return(capturedVillages
.Where(v => possibleLoyalties[v.VillageId] < 100)
.Where(v => noblesToVillagesById.GetValueOrDefault(v.VillageId, 0) * CurrentWorldSettings.NoblemanLoyaltyMax < possibleLoyalties[v.VillageId])
.Select(v => new
{
v.OccurredAt,
v.X, v.Y, v.VillageId,
VillageName = v.VillageName.UrlDecode(),
OldOwnerId = v.OldOwner, NewOwnerId = v.NewOwner,
OldOwnerName = playerNamesById.GetValueOrDefault(v.OldOwner ?? -1, tlNONE).UrlDecode(),
NewOwnerName = playerNamesById.GetValueOrDefault(v.NewOwner ?? -1, tlNONE).UrlDecode(),
IsNearby = ownVillageMap.ContainsInRange(v.X, v.Y, 5),
Loyalty = possibleLoyalties[v.VillageId]
})
.OrderBy(v => v.Loyalty)
.ToList());
}
async Task <object> GetSnipeSuggestions(CurrentContextDbSets CurrentSets)
{
var incomingNobles = await(
from user in CurrentSets.ActiveUser
join command in CurrentSets.Command on user.PlayerId equals command.TargetPlayerId
where command.IsAttack
where command.TroopType == "snob"
where command.LandsAt > serverTime
where !command.IsReturning
select new { command.TargetVillageId, command.LandsAt }
).ToListAsync();
var incomingTrains = incomingNobles
.GroupBy(n => n.TargetVillageId)
.ToDictionary(
g => g.Key,
g => g
.OrderBy(n => n.LandsAt)
.GroupWhile((prev, curr) => prev.LandsAt - curr.LandsAt < TimeSpan.FromSeconds(1))
.Select(t =>
{
var train = t.ToList();
return(new { train.First().LandsAt, Range = train.Last().LandsAt - train.First().LandsAt, Train = train });
})
.ToList()
);
var targetVillageIds = incomingTrains.Keys.ToList();
var targetVillageInfo = await(
from village in CurrentSets.Village
join currentVillage in CurrentSets.CurrentVillage.Include(cv => cv.ArmyStationed) on village.VillageId equals currentVillage.VillageId
where targetVillageIds.Contains(village.VillageId)
select new { Village = village, CurrentVillage = currentVillage }
).ToListAsync();
var ownVillages = await(
from village in CurrentSets.Village
join currentVillage in CurrentSets.CurrentVillage.Include(cv => cv.ArmyAtHome) on village.VillageId equals currentVillage.VillageId
where village.PlayerId == CurrentPlayerId
where currentVillage.ArmyAtHomeId != null
select new { Village = village, CurrentVillage = currentVillage }
).ToDictionaryAsync(d => d.Village, d => d.CurrentVillage);
var planner = new Features.Planning.CommandOptionsCalculator(CurrentWorldSettings);
var timeRequirement = new MaximumTravelTimeRequirement();
planner.Requirements.Add(new MinimumDefenseRequirement {
MinimumDefense = 10000
}.LimitTroopType(ArmyStats.DefensiveTroopTypes));
planner.Requirements.Add(timeRequirement);
return(targetVillageInfo
// Don't bother sniping stacked villas
.Where(info =>
{
var defPop = ArmyStats.CalculateTotalPopulation(info.CurrentVillage.ArmyStationed, ArmyStats.DefensiveTroopTypes);
var numDVsStationed = defPop / (float)Features.CommandClassification.Utils.FullArmyPopulation;
return numDVsStationed < 2;
})
// Make a plan for each train
.SelectMany(info => incomingTrains[info.Village.VillageId].Select(train =>
{
timeRequirement.MaximumTime = train.LandsAt - serverTime;
var plan = planner.GenerateOptions(ownVillages, info.Village).Take(100).ToList();
return new
{
info.Village,
Train = train,
Plan = plan
};
}))
// Ignore plans without any instructions
.Where(info => info.Plan.Count > 0)
// For each train and target village, return a plan with info on the villa that needs to be sniped
.Select(info => new
{
Plan = info.Plan,
Train = info.Train.Train,
LandsAt = info.Train.LandsAt,
TargetVillage = new {
Id = info.Village.VillageId,
Name = info.Village.VillageName.UrlDecode(),
X = info.Village.X.Value,
Y = info.Village.Y.Value
}
})
.OrderBy(info => info.LandsAt)
.ToList());
}
async Task <object> GetStackSuggestions(CurrentContextDbSets CurrentSets)
{
var enemyVillages = await(
from enemy in CurrentSets.EnemyTribe
join player in CurrentSets.Player on enemy.EnemyTribeId equals player.TribeId
join village in CurrentSets.Village on player.PlayerId equals village.PlayerId
select new Coordinate {
X = village.X.Value, Y = village.Y.Value
}
).ToListAsync();
var enemyMap = new Features.Spatial.Quadtree(enemyVillages);
var frontlineVillages = ownVillageData.Where(v => enemyMap.ContainsInRange(v.X, v.Y, 4.0f)).ToList();
var frontlineVillageIds = frontlineVillages.Select(v => v.VillageId).ToList();
var attacksOnFrontline = await(
from command in CurrentSets.Command
where frontlineVillageIds.Contains(command.TargetVillageId)
where command.IsAttack
where command.LandsAt > serverTime
select new { command.SourceVillageId, command.TargetVillageId }
).ToListAsync();
var supportToFrontline = await(
from support in CurrentSets.Command
where frontlineVillageIds.Contains(support.TargetVillageId)
where support.LandsAt > serverTime
where support.ArmyId != null
select new { support.TargetVillageId, support.Army }
).ToListAsync();
var attackingVillageIds = attacksOnFrontline.Select(c => c.SourceVillageId).Distinct().ToList();
var attackingVillages = await CurrentSets
.CurrentVillage
.Where(v => attackingVillageIds.Contains(v.VillageId))
.Select(v => new { v.VillageId, v.ArmyOwned, v.ArmyStationed, v.ArmyTraveling })
.ToDictionaryAsync(
v => v.VillageId,
v => v
);
var attackingVillagesWithNukes = attackingVillages
// Get possible troops from village
.Select(kvp => new { kvp.Key, Army = JSON.Army.Max(kvp.Value.ArmyOwned, kvp.Value.ArmyStationed, kvp.Value.ArmyTraveling) })
// Get population of offensive troops
.Select(kvp => new { kvp.Key, OffensivePop = ArmyStats.CalculateTotalPopulation(kvp.Army, ArmyStats.OffensiveTroopTypes.Except(new[] { JSON.TroopType.Heavy }).ToArray()) })
// Filter by full nukes
.Where(kvp => kvp.OffensivePop > 0.65f * Features.CommandClassification.Utils.FullArmyPopulation)
.Select(kvp => kvp.Key)
.ToList();
var nukesSentPerVillage = frontlineVillageIds.ToDictionary(id => id, id => 0);
foreach (var attack in attacksOnFrontline.Where(a => attackingVillagesWithNukes.Contains(a.SourceVillageId)))
{
nukesSentPerVillage[attack.TargetVillageId]++;
}
var pendingSupportPerVillage = frontlineVillageIds.ToDictionary(id => id, id => new JSON.Army());
foreach (var support in supportToFrontline)
{
pendingSupportPerVillage[support.TargetVillageId] += support.Army;
}
var battleSimulator = new Features.Simulation.BattleSimulator();
var nukesEatablePerVillage = frontlineVillages.ToDictionary(
v => v.VillageId,
v => battleSimulator.EstimateRequiredNukes(v.ArmyStationed + pendingSupportPerVillage[v.VillageId], 20, CurrentWorldSettings.ArchersEnabled, 100).NukesRequired
);
return(frontlineVillages
.Where(v => nukesSentPerVillage[v.VillageId] > 0 && nukesEatablePerVillage[v.VillageId] - nukesSentPerVillage[v.VillageId] < 2)
.Select(v => new
{
v.VillageId,
v.VillageName,
v.X, v.Y,
SentNukes = nukesSentPerVillage[v.VillageId],
EatableNukes = nukesEatablePerVillage[v.VillageId]
})
.OrderByDescending(v => v.SentNukes - v.EatableNukes)
.ThenBy(v => v.VillageId)
.ToList());
}
async Task <object> GetNobleTargetSuggestions(CurrentContextDbSets CurrentSets)
{
var villasWithNobles = await(
from village in CurrentSets.Village
join currentVillage in CurrentSets.CurrentVillage on village.VillageId equals currentVillage.VillageId
where currentVillage.ArmyOwned.Snob > 0
where village.PlayerId == CurrentPlayerId
select new Coordinate {
X = village.X.Value, Y = village.Y.Value
}
).ToListAsync();
var enemyCurrentVillas = await(
from currentVillage in CurrentSets.CurrentVillage
join village in CurrentSets.Village on currentVillage.VillageId equals village.VillageId
where !CurrentSets.ActiveUser.Any(au => au.PlayerId == village.PlayerId)
select new { X = village.X.Value, Y = village.Y.Value, village.VillageId, village.Points, currentVillage.Loyalty, currentVillage.LoyaltyLastUpdated, currentVillage.ArmyStationed, village.PlayerId, VillageName = village.VillageName.UrlDecode(), PlayerName = village.Player.PlayerName.UrlDecode() }
).ToListAsync();
var villageMap = new Features.Spatial.Quadtree(villasWithNobles);
var loyaltyCalculator = new Features.Simulation.LoyaltyCalculator(CurrentWorldSettings.GameSpeed);
var possibleTargets = enemyCurrentVillas
.Where(v => villageMap.ContainsInRange(v.X, v.Y, 7.5f)) // Only consider enemy villas within 7.5 fields of any villa with nobles
.Select(v =>
{
var possibleLoyalty = v.Loyalty.HasValue
? loyaltyCalculator.PossibleLoyalty(v.Loyalty.Value, serverTime - v.LoyaltyLastUpdated.Value)
: 100;
var stationedDVs = ArmyStats.CalculateTotalPopulation(v.ArmyStationed, ArmyStats.DefensiveTroopTypes) / (float)Features.CommandClassification.Utils.FullArmyPopulation;
// Select "confidence" in selecting the given target as a suggestion
// If < 0.75 DV stationed or loyalty under 50, 100% confident in the suggestion
var loyaltyConfidence = 1.0f - (possibleLoyalty - 50) / 50.0f;
var stackConfidence = 1.0f - (stationedDVs - 0.75f) / 0.75f;
if (v.ArmyStationed?.LastUpdated != null)
{
var stackAge = serverTime - v.ArmyStationed.LastUpdated.Value;
var ageFactor = (TimeSpan.FromHours(48) - stackAge) / TimeSpan.FromHours(48);
stackConfidence *= Math.Max(0, (float)Math.Pow(Math.Abs(ageFactor), 0.5f) * Math.Sign(ageFactor));
}
else
{
stackConfidence = 0;
}
return(new
{
Loyalty = possibleLoyalty,
StationedDVs = stationedDVs,
DVsSeenAt = v.ArmyStationed?.LastUpdated,
Confidence = loyaltyConfidence + stackConfidence,
Village = v
});
});
var confidentTargets = possibleTargets.Where(t => t.Confidence > 1).ToList();
return(confidentTargets
.Select(t => new
{
t.Village.X,
t.Village.Y,
t.Village.VillageId,
t.Village.VillageName,
t.Village.PlayerId,
t.Village.PlayerName,
t.Village.Points,
t.Loyalty,
t.StationedDVs,
t.DVsSeenAt,
t.Confidence
})
.OrderByDescending(t => t.Confidence)
.ThenBy(t => t.VillageId)
.ToList());
}
async Task <object> GetUselessStackSuggestions(CurrentContextDbSets CurrentSets)
{
var enemyVillages = await(
from enemy in CurrentSets.EnemyTribe
join player in CurrentSets.Player on enemy.EnemyTribeId equals player.TribeId
join village in CurrentSets.Village on player.PlayerId equals village.PlayerId
select new Coordinate {
X = village.X.Value, Y = village.Y.Value
}
).ToListAsync();
var ownSupport = await(
from support in CurrentSets.CurrentVillageSupport
join targetVillage in CurrentSets.Village on support.TargetVillageId equals targetVillage.VillageId
join sourceVillage in CurrentSets.Village on support.SourceVillageId equals sourceVillage.VillageId
where targetVillage.PlayerId == null || !vaultPlayerIds.Contains(targetVillage.PlayerId.Value)
where sourceVillage.PlayerId == CurrentPlayerId
select new { support.SupportingArmy, targetVillage.VillageId }
).ToListAsync();
var notOwnVillageIds = ownSupport.Select(s => s.VillageId).Distinct().ToList();
var notOwnVillages = await(
from village in CurrentSets.Village
where notOwnVillageIds.Contains(village.VillageId)
select new { X = village.X.Value, Y = village.Y.Value, VillageName = village.VillageName.UrlDecode(), village.VillageId }
).ToListAsync();
var enemyMap = new Features.Spatial.Quadtree(enemyVillages);
var backlineVillages = ownVillageData.Where(v => !enemyMap.ContainsInRange(new Coordinate {
X = v.X, Y = v.Y
}, 10));
var stackInfo = backlineVillages
// Select backline villages with over 3k pop of support
.Select(v => new { Village = new { v.X, v.Y, v.VillageName, v.VillageId }, Population = ArmyStats.CalculateTotalPopulation((JSON.Army)v.ArmyStationed - (JSON.Army)v.ArmyAtHome) })
.Where(v => v.Population > 3000)
.Select(v => new { v.Village.X, v.Village.Y, v.Village.VillageName, v.Village.VillageId, PopCount = v.Population })
// Include support to unknown villages
.Concat(notOwnVillages.Select(v => new { v.X, v.Y, v.VillageName, v.VillageId, PopCount = ownSupport.Where(s => s.VillageId == v.VillageId).Sum(s => ArmyStats.CalculateTotalPopulation(s.SupportingArmy)) }))
.ToList();
var villageIds = stackInfo.Select(i => i.VillageId).Distinct().ToList();
var villageOwnersById = await(
from village in CurrentSets.Village
join player in CurrentSets.Player on village.PlayerId equals player.PlayerId
let tribe = (from tribe in CurrentSets.Ally
where tribe.TribeId == player.TribeId
select new { tribe.Tag, tribe.TribeId }).FirstOrDefault()
where villageIds.Contains(village.VillageId)
select new { village.VillageId, Player = player, Tribe = tribe }
).ToDictionaryAsync(
v => v.VillageId,
v => new { v.Player.PlayerName, v.Player.PlayerId, TribeName = v.Tribe?.Tag, v.Tribe?.TribeId }
);
return(stackInfo
.Select(info =>
{
var owner = villageOwnersById.GetValueOrDefault(info.VillageId);
return new
{
info.VillageId,
info.VillageName,
info.PopCount,
info.X,
info.Y,
PlayerName = owner?.PlayerName == null ? null : owner.PlayerName.UrlDecode(),
owner?.PlayerId,
TribeName = owner?.TribeName == null ? null : owner.TribeName.UrlDecode(),
owner?.TribeId
};
}));
}
(var recaps, var snipes, var stacks, var nobles, var uselessStacks) = await ManyTasks.Run(
WithTemporarySets(GetRecapSuggestions),
WithTemporarySets(GetSnipeSuggestions),
WithTemporarySets(GetStackSuggestions),
WithTemporarySets(GetNobleTargetSuggestions),
WithTemporarySets(GetUselessStackSuggestions)
);
return(Ok(new
{
Recaps = recaps,
Snipes = snipes,
Stacks = stacks,
NobleTargets = nobles,
UselessStacks = uselessStacks
}));
}
