/// <summary>
/// Chooses 4 moves for a pokemon.
/// </summary>
/// <param name="info">The parameters to use when choosing a move.</param>
/// <returns>An Id for the move that was chosen.</returns>
/// <exception cref="ArgumentException">If there are not enough moves to choose from.</exception>
private int ChooseMove(PokemonAndMoveInfo info)
{
// Try with current damage setting
if (!PickOneMove(info, out var chosenMoveId))
{
// Give up
throw new ArgumentException("Not enough moves to choose from!");
}
info.AlreadyPicked.Add(chosenMoveId);
var move1Obj = info.AllPossibleMovesOrig.First(m => m.MoveId == chosenMoveId);
info.AlreadyPickedEffects.Add(move1Obj.Effect);
return(chosenMoveId);
}
/// <summary>
/// Fills in all the params needed to calculate 4 moves for a pokmeon. Treats special pokemon uniquely <see cref="SPECIALPOKEMON"/>.
/// </summary>
/// <param name="poke">Pokemon to choose moves for</param>
/// <param name="allPossibleMoves">A list of all possible moves available for the pokemon to learn</param>
/// <param name="TMBank">The curreent bank of TM's available</param>
/// <returns>A pokemon fulley equipped with moves.</returns>
private Pokemon AssignMovestoPokemon(Pokemon poke, IList <PokemonMoveSetResult> allPossibleMoves, IList <int> TMBank)
{
var chosenMoves = new Stack <int>();
var info = new PokemonAndMoveInfo
{
Pokemon = poke,
PokeTypes = poke.Types,
PreferredDamageType = poke.SpAttack > poke.Attack ? DamageType.Special : DamageType.Physical
};
info.PreferredDamageType = Math.Abs(poke.SpAttack - poke.Attack) < _config.Value.Configuration.DamageTypeDelta ? DamageType.Both : info.PreferredDamageType;
var enemiesWeakAgainst = _pokemonRepository.GetWeaknesses(string.Join(",", info.PokeTypes ?? new List <string>(0)));
info.AttackTypesToFavor = _pokemonRepository.GetWeaknesses(string.Join(",", enemiesWeakAgainst ?? new List <string>(0))).ToList();
// Prune moves removing and replacing as needed
var screenedMoves = new List <PokemonMoveSetResult>();
foreach (var move in allPossibleMoves)
{
// Generate random move for sketch
if (move.MoveId == 166)
{
var randos = _pokemonRepository.GetRandomMoves(_config.Value.Configuration.RandomMoveMinPower, _config.Value.Configuration.RandomMoveMaxPower).ToList();
screenedMoves.Add(randos[_random.Next(0, randos.Count)]);
continue;
}
// remove duplicates
if (screenedMoves.Any(m => m.Equals(move)))
{
continue;
}
// Remove if unavailable in TM bank and HM bank
if (string.Equals(move.LearnType, "machine", StringComparison.OrdinalIgnoreCase) &&
!_config.Value.Configuration.HMBank.Contains(move.MoveId) && !TMBank.Contains(move.MoveId))
{
continue;
}
screenedMoves.Add(move);
}
allPossibleMoves = screenedMoves;
// Choose moves
if (_config.Value.Configuration.SpecialPokemon.Contains(poke.SpeciesId))
{
foreach (var m in allPossibleMoves)
{
chosenMoves.Push(m.MoveId);
}
}
else
{
info.AllPossibleMovesOrig = new List <PokemonMoveSetResult>(allPossibleMoves);
info.DoSomeDamageFlag = false;
for (var i = 0; i < 4; i++)
{
var move = ChooseMove(info);
chosenMoves.Push(move);
info.DoSomeDamageFlag = !info.DoSomeDamageFlag;
if (TMBank.Contains(move))
{
TMBank.Remove(move);
}
}
}
// We aren't using these
poke.Move1PowerPointsUps = 0;
poke.Move2PowerPointsUps = 0;
poke.Move3PowerPointsUps = 0;
poke.Move4PowerPointsUps = 0;
// Set moves
poke.MoveIndex1 = (byte)(chosenMoves.Count > 0 ? chosenMoves.Pop() : 0);
poke.MoveIndex2 = (byte)(chosenMoves.Count > 0 ? chosenMoves.Pop() : 0);
poke.MoveIndex3 = (byte)(chosenMoves.Count > 0 ? chosenMoves.Pop() : 0);
poke.MoveIndex4 = (byte)(chosenMoves.Count > 0 ? chosenMoves.Pop() : 0);
// Set move names
poke.Move1Name = allPossibleMoves.ToList().FirstOrDefault(m => m.MoveId == poke.MoveIndex1)?.MoveName ?? "";
poke.Move2Name = allPossibleMoves.ToList().FirstOrDefault(m => m.MoveId == poke.MoveIndex2)?.MoveName ?? "";
poke.Move3Name = allPossibleMoves.ToList().FirstOrDefault(m => m.MoveId == poke.MoveIndex3)?.MoveName ?? "";
poke.Move4Name = allPossibleMoves.ToList().FirstOrDefault(m => m.MoveId == poke.MoveIndex4)?.MoveName ?? "";
// Set pp
poke.Move1PowerPointsCurrent = (byte)(allPossibleMoves.ToList().FirstOrDefault(m => m.MoveId == poke.MoveIndex1)?.Pp ?? 0);
poke.Move2PowerPointsCurrent = (byte)(allPossibleMoves.ToList().FirstOrDefault(m => m.MoveId == poke.MoveIndex2)?.Pp ?? 0);
poke.Move3PowerPointsCurrent = (byte)(allPossibleMoves.ToList().FirstOrDefault(m => m.MoveId == poke.MoveIndex3)?.Pp ?? 0);
poke.Move4PowerPointsCurrent = (byte)(allPossibleMoves.ToList().FirstOrDefault(m => m.MoveId == poke.MoveIndex4)?.Pp ?? 0);
return(poke);
}
/// <summary>
/// By far the most complex method here.
/// Uses the parameters to choose one move for a pokemon by assigning a probability value to each possible move.
/// The higher this value is compared to all of the other moves, the more likely this move is to be chosen.
/// (See: <see cref="GeneratorConfig"/>, <see cref="PokemonAndMoveInfo"/>)
/// </summary>
private bool PickOneMove(PokemonAndMoveInfo info, out int chosenMoveId)
{
chosenMoveId = 0;
var allPossibleMoves = new List <PokemonMoveSetResult>(info.AllPossibleMovesOrig);
// Calculate probabilities
var moveProbabilities = allPossibleMoves.Select(m =>
{
var moveChoice = new MoveChoice
{
Probability = Likeliness.Full,
Move = m
};
// filter out all non-damaging/damaging attacks depending on the flag
if (info.DoSomeDamageFlag && (m.Power ?? 0) <= 0)
{
moveChoice.Probability *= Likeliness.Extremely_Low;
}
if (!info.DoSomeDamageFlag && (m.Power ?? 0) > 0)
{
moveChoice.Probability *= Likeliness.Extremely_Low;
}
// Apply weight on damage type
// if damage type does not mesh with the pokemon, make the likelyhood VERY unlikely
if ((info.PreferredDamageType == DamageType.Special && (m.DamageType ?? "special").Equals("physical")) ||
(info.PreferredDamageType == DamageType.Physical && (m.DamageType ?? "special").Equals("special")))
{
moveChoice.Probability *= _config.Value.Configuration.DamageTypeModifier;
}
// Apply weight on effect
foreach (var key in _config.Value.Configuration.MoveEffectFilters.Keys)
{
if (m.Effect.Contains(key))
{
moveChoice.Probability *= _config.Value.Configuration.MoveEffectFilters[key];
}
}
// Apply weight on type
if ((info.PokeTypes?.Contains(m.Type, StringComparer.CurrentCultureIgnoreCase) ?? false) ||
(info.AttackTypesToFavor.Contains(m.Type, StringComparer.CurrentCultureIgnoreCase)))
{
moveChoice.Probability *= _config.Value.Configuration.SameTypeModifier;
}
// Apply weight on damage
if (info.DoSomeDamageFlag)
{
moveChoice.Probability *= Likeliness.Full + (m.Power ?? 0) / _config.Value.Configuration.DamageModifier;
}
// Apply special weight for paired moves
if (info.AlreadyPicked.Any(id => _config.Value.Configuration.PairedMoves.ContainsKey(id) && _config.Value.Configuration.PairedMoves[id].Contains(m.MoveId)))
{
moveChoice.Probability = Likeliness.Full * _config.Value.Configuration.PairedModifier;
}
// Filter out dependant moves which do not already have their dependency picked
if (_config.Value.Configuration.DependantMoves.ContainsKey(m.MoveId) && !_config.Value.Configuration.DependantMoves[m.MoveId].Intersect(info.AlreadyPicked).Any())
{
moveChoice.Probability = Likeliness.None;
}
// Apply weight on similar moves to already picked
if (!string.IsNullOrWhiteSpace(m.Effect) && info.AlreadyPickedEffects.Contains(m.Effect, StringComparer.CurrentCultureIgnoreCase))
{
moveChoice.Probability *= _config.Value.Configuration.AlreadyPickedMoveEffectsModifier;
}
// Finally, apply weight on moves already picked
if (info.AlreadyPicked.Contains(m.MoveId))
{
moveChoice.Probability *= _config.Value.Configuration.AlreadyPickedMoveModifier;
}
return(moveChoice);
}).ToList();
// Return false if we filtered out all of our choices
if (!moveProbabilities.Any() || moveProbabilities.All(choice => choice.Probability == 0))
{
return(false);
}
// Choose with probabilities
var chosen = _probabilityUtility.ChooseWithProbability(moveProbabilities.Cast <IChoice>().ToList());
if (chosen != null)
{
chosenMoveId = moveProbabilities[(int)chosen].Move.MoveId;
return(true);
}
return(false);
}