public bool FindPath(TalentNode node, IEnumerable <TalentNode> characterTalents, IList <TalentNode> procesedNodes)
{
procesedNodes.Add(node);
var(x, y) = TalentPositionHelper.GetCoordinatesFromPosition(node.Position);
if ((Math.Abs(x - _centerX) == 1 && y == _centerY) || (Math.Abs(y - _centerY) == 1 && x == _centerX))
{
return(true);
}
var leftTalent = characterTalents.FirstOrDefault(k =>
{
var coordinates = TalentPositionHelper.GetCoordinatesFromPosition(k.Position);
return(coordinates.x == x + 1 && coordinates.y == y);
});
if (leftTalent != null && !procesedNodes.Contains(leftTalent) && FindPath(leftTalent, characterTalents, procesedNodes))
{
return(true);
}
var rightTalent = characterTalents.FirstOrDefault(k =>
{
var coordinates = TalentPositionHelper.GetCoordinatesFromPosition(k.Position);
return(coordinates.x == x - 1 && coordinates.y == y);
});
if (rightTalent != null && !procesedNodes.Contains(rightTalent) && FindPath(rightTalent, characterTalents, procesedNodes))
{
return(true);
}
var topTalent = characterTalents.FirstOrDefault(k =>
{
var coordinates = TalentPositionHelper.GetCoordinatesFromPosition(k.Position);
return(coordinates.x == x && coordinates.y == y - 1);
});
if (topTalent != null && !procesedNodes.Contains(topTalent) && FindPath(topTalent, characterTalents, procesedNodes))
{
return(true);
}
var bottomTalent = characterTalents.FirstOrDefault(k =>
{
var coordinates = TalentPositionHelper.GetCoordinatesFromPosition(k.Position);
return(coordinates.x == x && coordinates.y == y + 1);
});
if (bottomTalent != null && !procesedNodes.Contains(bottomTalent) && FindPath(bottomTalent, characterTalents, procesedNodes))
{
return(true);
}
return(false);
}
public async Task <ActiveUserDto> Handle(GetActiveUserQuery request, CancellationToken cancellationToken)
{
var user = await _userManager.GetUserAsync(request.User);
var statusInBattle = _battleService.IsUserInBattle(user.Id);
var roster = await _gameContext.Rosters.GetOneAsync(x => x.UserId == user.Id);
IEnumerable <Character> characters;
if (roster == null)
{
roster = new Roster()
{
Id = user.Id,
UserId = user.Id,
Experience = 0,
Seed = user.Id.GetHashCode(),
TavernCapacity = 6,
BoughtPatrons = new int[0]
};
_gameContext.Rosters.InsertOne(roster);
var userCharacter = new Character()
{
Id = Guid.NewGuid().ToString(),
Deleted = false,
IsKeyCharacter = true,
RosterId = roster.Id,
Name = user.ViewName,
ChosenTalents = new int[0]
};
_gameContext.Characters.InsertOne(userCharacter);
characters = new Character[] { userCharacter };
await _gameContext.ApplyChangesAsync();
}
else
{
characters = await _gameContext.Characters.GetAsync(x => x.RosterId == roster.Id && !x.Deleted);
}
var tavern = new List <CharacterForSaleDto>();
for (int i = 1; i <= roster.TavernCapacity; i++)
{
if (!roster.BoughtPatrons.Any(x => x == i))
{
tavern.Add(new CharacterForSaleDto()
{
Id = i
});
}
}
var talents = await _registryContext.TalentMap.GetAsync(x => true);
return(new ActiveUserDto()
{
Name = user.ViewName,
UniqueId = user.UserName,
Id = user.Id,
Email = user.Email,
State = statusInBattle ? UserState.Battle : UserState.Lobby,
Experience = roster.Experience,
Tavern = tavern,
Roster = characters.Select(x =>
{
return new CharacterDto()
{
Id = x.Id,
Name = x.Name,
IsKeyCharacter = x.IsKeyCharacter,
Talents = x.ChosenTalents.Select(k =>
{
var coordinates = TalentPositionHelper.GetCoordinatesFromPosition(k);
return new PointDto()
{
X = coordinates.x,
Y = coordinates.y
};
})
};
}),
TalentsMap = talents.Select(x =>
{
var position = TalentPositionHelper.GetCoordinatesFromPosition(x.Position);
return new TalentNodeDto()
{
X = position.x,
Y = position.y,
Name = x.Name,
Description = x.UniqueDescription,
Id = x.Id,
Speed = x.SpeedModifier,
Strength = x.StrengthModifier,
Willpower = x.WillpowerModifier,
Constitution = x.ConstitutionModifier,
Class = x.Class,
ClassPoints = x.ClassPoints,
Prerequisites = x.Prerequisites,
Exceptions = x.Exceptions,
SkillsAmount = x.SkillsAmount
};
})
});
}
public async Task <Unit> Handle(ChangeCharacterTalentsCommand request, CancellationToken cancellationToken)
{
var roster = await _gameContext.Rosters.GetOneAsync(x => x.UserId == request.UserId);
if (roster == null)
{
throw new NotFoundException("User is not found");
}
var character = await _gameContext.Characters.GetOneAsync(x => x.Id == request.CharacterId);
if (character == null)
{
throw new NotFoundException("Character is not found");
}
if (character.RosterId != roster.Id)
{
throw new CannotPerformOperationException("Character is not belong to user");
}
var changedTalentPositions = request.Changes.Select(x => TalentPositionHelper.GetPositionFromCoordinates(x.X, x.Y)).ToList();
var allTalentPositions = character.ChosenTalents.Union(changedTalentPositions).Distinct().ToList();
var allTalents = await _registryContext.TalentMap.GetAsync(x => allTalentPositions.Contains(x.Position));
var characterTalents = allTalents.Where(x => character.ChosenTalents.Contains(x.Position)).ToList();
var strength = BattleHelper.DefaultStrength;
var willpower = BattleHelper.DefaultWillpower;
var constitution = BattleHelper.DefaultConstitution;
var speed = BattleHelper.DefaultSpeed;
var skillsCount = 1;
var cost = 0;
var talentsCount = 0;
characterTalents.ForEach(x =>
{
strength += x.StrengthModifier;
willpower += x.WillpowerModifier;
constitution += x.ConstitutionModifier;
speed += x.SpeedModifier;
skillsCount += x.SkillsAmount;
talentsCount++;
});
var newTalents = new List <TalentNodeChangeDeclarationDto>();
foreach (var change in request.Changes)
{
var changePosition = TalentPositionHelper.GetPositionFromCoordinates(change.X, change.Y);
// Accessibility check
TalentNodeChangeDeclarationDto talent;
if ((talent = newTalents.FirstOrDefault(x => x.X == change.X && x.Y == change.Y)) != null)
{
if (change.State == talent.State)
{
throw new CannotPerformOperationException("Cannot do the same action with talent twice");
}
cost--;
newTalents.Remove(talent);
}
else
{
if (characterTalents.Any(x => x.Position == changePosition) == change.State)
{
throw new CannotPerformOperationException("Cannot do action with talent");
}
cost++;
newTalents.Add(change);
}
var changeTalent = allTalents.First(x => x.Position == changePosition);
// ConditionalsCheck
if (change.State)
{
if (!((Math.Abs(change.X - _centerX) == 1 && change.Y == _centerY) || (Math.Abs(change.Y - _centerY) == 1 && change.X == _centerX)) &&
!characterTalents.Any(x =>
{
var talentCoordinates = TalentPositionHelper.GetCoordinatesFromPosition(x.Position);
return((Math.Abs(change.X - talentCoordinates.x) == 1 && change.Y == talentCoordinates.y) ||
(Math.Abs(change.Y - talentCoordinates.y) == 1 && change.X == talentCoordinates.x));
}))
{
throw new CannotPerformOperationException("Cannot pick remote talent");
}
if (changeTalent.Exceptions != null && characterTalents.Any(x => changeTalent.Exceptions.Contains(x.Id)))
{
throw new CannotPerformOperationException("Cannot add talent with unprocessible exceptions");
}
if (changeTalent.Prerequisites != null && changeTalent.Prerequisites.Any(x => !characterTalents.Any(t => t.Id == x)))
{
throw new CannotPerformOperationException("Cannot add talent with unresolved prerequisites");
}
talentsCount++;
strength += changeTalent.StrengthModifier;
willpower += changeTalent.WillpowerModifier;
constitution += changeTalent.ConstitutionModifier;
speed += changeTalent.SpeedModifier;
skillsCount += changeTalent.SkillsAmount;
characterTalents.Add(changeTalent);
}
else
{
talentsCount--;
strength -= changeTalent.StrengthModifier;
willpower -= changeTalent.WillpowerModifier;
constitution -= changeTalent.ConstitutionModifier;
speed -= changeTalent.SpeedModifier;
skillsCount -= changeTalent.SkillsAmount;
characterTalents.Remove(characterTalents.First(x => x.Position == changePosition));
var leftTalent = characterTalents.FirstOrDefault(x =>
{
var coordinates = TalentPositionHelper.GetCoordinatesFromPosition(x.Position);
return(coordinates.x == change.X + 1 && coordinates.y == change.Y);
});
var rightTalent = characterTalents.FirstOrDefault(x =>
{
var coordinates = TalentPositionHelper.GetCoordinatesFromPosition(x.Position);
return(coordinates.x == change.X - 1 && coordinates.y == change.Y);
});
var topTalent = characterTalents.FirstOrDefault(x =>
{
var coordinates = TalentPositionHelper.GetCoordinatesFromPosition(x.Position);
return(coordinates.x == change.X && coordinates.y == change.Y - 1);
});
var bottomTalent = characterTalents.FirstOrDefault(x =>
{
var coordinates = TalentPositionHelper.GetCoordinatesFromPosition(x.Position);
return(coordinates.x == change.X && coordinates.y == change.Y + 1);
});
if ((leftTalent != null && !FindPath(leftTalent, characterTalents, new List <TalentNode>())) ||
(rightTalent != null && !FindPath(rightTalent, characterTalents, new List <TalentNode>())) ||
(topTalent != null && !FindPath(topTalent, characterTalents, new List <TalentNode>())) ||
(bottomTalent != null && !FindPath(bottomTalent, characterTalents, new List <TalentNode>())))
{
throw new CannotPerformOperationException("Remains talents without bonds");
}
}
if (talentsCount > _talentsMaxCount)
{
throw new CannotPerformOperationException("Extra talents");
}
if (cost > roster.Experience)
{
throw new CannotPerformOperationException("Not enough money");
}
if (strength < 5 || willpower < 5 || constitution < 5 || speed < 5)
{
throw new CannotPerformOperationException("Stats cannot be less than five");
}
if (skillsCount > 5)
{
throw new CannotPerformOperationException("Skills amount cannot be more than 5");
}
}
foreach (var change in newTalents)
{
if (change.State)
{
_gameContext.Characters.Update(
x => x.Id == character.Id,
Builders <Character> .Update.Push(k => k.ChosenTalents, TalentPositionHelper.GetPositionFromCoordinates(change.X, change.Y)));
}
else
{
_gameContext.Characters.Update(
x => x.Id == character.Id,
Builders <Character> .Update.Pull(k => k.ChosenTalents, TalentPositionHelper.GetPositionFromCoordinates(change.X, change.Y)));
}
}
_gameContext.Rosters.Update(
x => x.UserId == roster.UserId,
Builders <Roster> .Update.Set(k => k.Experience, roster.Experience - cost));
await _gameContext.ApplyChangesAsync();
return(Unit.Value);
}