internal static PokemonInfo?From(BattleClient client, PBETeam team, PBEFieldPosition pos)
{
if (!team.TryGetPokemon(pos, out PBEBattlePokemon? pkmn))
{
return(null);
}
return(new PokemonInfo(pkmn, client.ShouldUseKnownInfo(pkmn.Trainer)));
}
/// <summary>Creates valid switches for a battle for a specific team.</summary>
/// <param name="team">The team to create switches for.</param>
/// <exception cref="InvalidOperationException">Thrown when <paramref name="team"/> does not require switch-ins or <paramref name="team"/>'s <see cref="PBETeam.Battle"/>'s <see cref="PBEBattle.BattleState"/> is not <see cref="PBEBattleState.WaitingForActions"/>.</exception>
/// <exception cref="ArgumentOutOfRangeException">Thrown when <paramref name="team"/>'s <see cref="PBETeam.Battle"/>'s <see cref="PBEBattle.BattleFormat"/> is invalid.</exception>
public static PBESwitchIn[] CreateSwitches(PBETeam team)
{
if (team == null)
{
throw new ArgumentNullException(nameof(team));
}
if (team.IsDisposed)
{
throw new ObjectDisposedException(nameof(team));
}
if (team.Battle.BattleState != PBEBattleState.WaitingForSwitchIns)
{
throw new InvalidOperationException($"{nameof(team.Battle.BattleState)} must be {PBEBattleState.WaitingForSwitchIns} to create switch-ins.");
}
if (team.SwitchInsRequired == 0)
{
throw new InvalidOperationException($"{nameof(team)} must require switch-ins.");
}
PBEPokemon[] available = team.Party.Where(p => p.FieldPosition == PBEFieldPosition.None && p.HP > 0).ToArray();
available.Shuffle();
var availablePositions = new List <PBEFieldPosition>();
switch (team.Battle.BattleFormat)
{
case PBEBattleFormat.Single:
{
availablePositions.Add(PBEFieldPosition.Center);
break;
}
case PBEBattleFormat.Double:
{
if (team.TryGetPokemon(PBEFieldPosition.Left) == null)
{
availablePositions.Add(PBEFieldPosition.Left);
}
if (team.TryGetPokemon(PBEFieldPosition.Right) == null)
{
availablePositions.Add(PBEFieldPosition.Right);
}
break;
}
case PBEBattleFormat.Triple:
case PBEBattleFormat.Rotation:
{
if (team.TryGetPokemon(PBEFieldPosition.Left) == null)
{
availablePositions.Add(PBEFieldPosition.Left);
}
if (team.TryGetPokemon(PBEFieldPosition.Center) == null)
{
availablePositions.Add(PBEFieldPosition.Center);
}
if (team.TryGetPokemon(PBEFieldPosition.Right) == null)
{
availablePositions.Add(PBEFieldPosition.Right);
}
break;
}
default: throw new ArgumentOutOfRangeException(nameof(team.Battle.BattleFormat));
}
var switches = new PBESwitchIn[team.SwitchInsRequired];
for (int i = 0; i < team.SwitchInsRequired; i++)
{
switches[i] = new PBESwitchIn(available[i].Id, availablePositions[i]);
}
return(switches);
}
/// <summary>Creates valid actions for a battle turn for a specific team.</summary>
/// <param name="team">The team to create actions for.</param>
/// <exception cref="InvalidOperationException">Thrown when <paramref name="team"/> has no active battlers or <paramref name="team"/>'s <see cref="PBETeam.Battle"/>'s <see cref="PBEBattle.BattleState"/> is not <see cref="PBEBattleState.WaitingForActions"/>.</exception>
/// <exception cref="ArgumentOutOfRangeException">Thrown when a Pokémon has no moves, the AI tries to use a move with invalid targets, or <paramref name="team"/>'s <see cref="PBETeam.Battle"/>'s <see cref="PBEBattle.BattleFormat"/> is invalid.</exception>
public static PBETurnAction[] CreateActions(PBETeam team)
{
if (team == null)
{
throw new ArgumentNullException(nameof(team));
}
if (team.IsDisposed)
{
throw new ObjectDisposedException(nameof(team));
}
if (team.Battle.BattleState != PBEBattleState.WaitingForActions)
{
throw new InvalidOperationException($"{nameof(team.Battle.BattleState)} must be {PBEBattleState.WaitingForActions} to create actions.");
}
var actions = new PBETurnAction[team.ActionsRequired.Count];
var standBy = new List <PBEPokemon>();
for (int i = 0; i < actions.Length; i++)
{
PBEPokemon user = team.ActionsRequired[i];
// If a Pokémon is forced to struggle, it is best that it just stays in until it faints
if (user.IsForcedToStruggle())
{
actions[i] = new PBETurnAction(user.Id, PBEMove.Struggle, GetPossibleTargets(user, user.GetMoveTargets(PBEMove.Struggle))[0]);
}
// If a Pokémon has a temp locked move (Dig, Dive, Shadow Force) it must be used
else if (user.TempLockedMove != PBEMove.None)
{
actions[i] = new PBETurnAction(user.Id, user.TempLockedMove, user.TempLockedTargets);
}
// The Pokémon is free to switch or fight (unless it cannot switch due to Magnet Pull etc)
else
{
// Gather all options of switching and moves
PBEPokemon[] availableForSwitch = team.Party.Except(standBy).Where(p => p.FieldPosition == PBEFieldPosition.None && p.HP > 0).ToArray();
PBEMove[] usableMoves = user.GetUsableMoves();
var possibleActions = new List <(PBETurnAction Action, double Score)>();
for (int m = 0; m < usableMoves.Length; m++) // Score moves
{
PBEMove move = usableMoves[m];
PBEType moveType = user.GetMoveType(move);
PBEMoveTarget moveTargets = user.GetMoveTargets(move);
PBETurnTarget[] possibleTargets = PBEMoveData.IsSpreadMove(moveTargets)
? new PBETurnTarget[] { GetSpreadMoveTargets(user, moveTargets) }
: GetPossibleTargets(user, moveTargets);
foreach (PBETurnTarget possibleTarget in possibleTargets)
{
// TODO: RandomFoeSurrounding (probably just account for the specific effects that use this target type)
// TODO: Don't queue up to do the same thing (two trying to afflict the same target when there are multiple targets)
var targets = new List <PBEPokemon>();
if (possibleTarget.HasFlag(PBETurnTarget.AllyLeft))
{
targets.Add(team.TryGetPokemon(PBEFieldPosition.Left));
}
if (possibleTarget.HasFlag(PBETurnTarget.AllyCenter))
{
targets.Add(team.TryGetPokemon(PBEFieldPosition.Center));
}
if (possibleTarget.HasFlag(PBETurnTarget.AllyRight))
{
targets.Add(team.TryGetPokemon(PBEFieldPosition.Right));
}
if (possibleTarget.HasFlag(PBETurnTarget.FoeLeft))
{
targets.Add(team.OpposingTeam.TryGetPokemon(PBEFieldPosition.Left));
}
if (possibleTarget.HasFlag(PBETurnTarget.FoeCenter))
{
targets.Add(team.OpposingTeam.TryGetPokemon(PBEFieldPosition.Center));
}
if (possibleTarget.HasFlag(PBETurnTarget.FoeRight))
{
targets.Add(team.OpposingTeam.TryGetPokemon(PBEFieldPosition.Right));
}
double score;
if (targets.All(p => p == null))
{
score = -100;
}
else
{
score = 0d;
targets.RemoveAll(p => p == null);
PBEMoveData mData = PBEMoveData.Data[move];
switch (mData.Effect)
{
case PBEMoveEffect.Attract:
{
foreach (PBEPokemon target in targets)
{
// TODO: Destiny knot
if (target.IsAttractionPossible(user, useKnownInfo: true) == PBEResult.Success)
{
score += target.Team == team ? -20 : +40;
}
else
{
score += target.Team == team ? 0 : -60;
}
}
break;
}
case PBEMoveEffect.BrickBreak:
case PBEMoveEffect.Dig:
case PBEMoveEffect.Dive:
case PBEMoveEffect.Fly:
case PBEMoveEffect.Hit:
case PBEMoveEffect.Hit__MaybeBurn:
case PBEMoveEffect.Hit__MaybeBurn__10PercentFlinch:
case PBEMoveEffect.Hit__MaybeConfuse:
case PBEMoveEffect.Hit__MaybeFlinch:
case PBEMoveEffect.Hit__MaybeFreeze:
case PBEMoveEffect.Hit__MaybeFreeze__10PercentFlinch:
case PBEMoveEffect.Hit__MaybeLowerTarget_ACC_By1:
case PBEMoveEffect.Hit__MaybeLowerTarget_ATK_By1:
case PBEMoveEffect.Hit__MaybeLowerTarget_DEF_By1:
case PBEMoveEffect.Hit__MaybeLowerTarget_SPATK_By1:
case PBEMoveEffect.Hit__MaybeLowerTarget_SPDEF_By1:
case PBEMoveEffect.Hit__MaybeLowerTarget_SPDEF_By2:
case PBEMoveEffect.Hit__MaybeLowerTarget_SPE_By1:
case PBEMoveEffect.Hit__MaybeLowerUser_ATK_DEF_By1:
case PBEMoveEffect.Hit__MaybeLowerUser_DEF_SPDEF_By1:
case PBEMoveEffect.Hit__MaybeLowerUser_SPATK_By2:
case PBEMoveEffect.Hit__MaybeLowerUser_SPE_By1:
case PBEMoveEffect.Hit__MaybeLowerUser_SPE_DEF_SPDEF_By1:
case PBEMoveEffect.Hit__MaybeParalyze:
case PBEMoveEffect.Hit__MaybeParalyze__10PercentFlinch:
case PBEMoveEffect.Hit__MaybePoison:
case PBEMoveEffect.Hit__MaybeRaiseUser_ATK_By1:
case PBEMoveEffect.Hit__MaybeRaiseUser_ATK_DEF_SPATK_SPDEF_SPE_By1:
case PBEMoveEffect.Hit__MaybeRaiseUser_DEF_By1:
case PBEMoveEffect.Hit__MaybeRaiseUser_SPATK_By1:
case PBEMoveEffect.Hit__MaybeRaiseUser_SPE_By1:
case PBEMoveEffect.Hit__MaybeToxic:
case PBEMoveEffect.HPDrain:
case PBEMoveEffect.Recoil:
case PBEMoveEffect.Recoil__10PercentBurn:
case PBEMoveEffect.Recoil__10PercentParalyze:
case PBEMoveEffect.SuckerPunch:
{
foreach (PBEPokemon target in targets)
{
// TODO: Favor hitting ally with move if waterabsorb/voltabsorb etc
// TODO: Liquid ooze
// TODO: Check items
// TODO: Stat changes and accuracy (even thunder/guillotine accuracy)
// TODO: Check base power specifically against hp remaining (include spread move damage reduction)
target.IsAffectedByMove(user, moveType, out double damageMultiplier, useKnownInfo: true);
if (damageMultiplier <= 0) // (-infinity, 0.0] Ineffective
{
score += target.Team == team ? 0 : -60;
}
else if (damageMultiplier <= 0.25) // (0.0, 0.25] NotVeryEffective
{
score += target.Team == team ? -5 : -30;
}
else if (damageMultiplier < 1) // (0.25, 1.0) NotVeryEffective
{
score += target.Team == team ? -10 : -10;
}
else if (damageMultiplier == 1) // [1.0, 1.0] Normal
{
score += target.Team == team ? -15 : +10;
}
else if (damageMultiplier < 4) // (1.0, 4.0) SuperEffective
{
score += target.Team == team ? -20 : +25;
}
else // [4.0, infinity) SuperEffective
{
score += target.Team == team ? -30 : +40;
}
if (user.HasType(moveType) && damageMultiplier > 0) // STAB
{
score += (user.Ability == PBEAbility.Adaptability ? 7 : 5) * (target.Team == team ? -1 : +1);
}
}
break;
}
case PBEMoveEffect.Burn:
{
foreach (PBEPokemon target in targets)
{
// TODO: Heatproof, physical attacker
if (target.IsBurnPossible(user, useKnownInfo: true) == PBEResult.Success)
{
score += target.Team == team ? -20 : +40;
}
else
{
score += target.Team == team ? 0 : -60;
}
}
break;
}
case PBEMoveEffect.ChangeTarget_ACC:
{
foreach (PBEPokemon target in targets)
{
ScoreStatChange(user, target, PBEStat.Accuracy, mData.EffectParam, ref score);
}
break;
}
case PBEMoveEffect.ChangeTarget_ATK:
{
foreach (PBEPokemon target in targets)
{
ScoreStatChange(user, target, PBEStat.Attack, mData.EffectParam, ref score);
}
break;
}
case PBEMoveEffect.ChangeTarget_DEF:
{
foreach (PBEPokemon target in targets)
{
ScoreStatChange(user, target, PBEStat.Defense, mData.EffectParam, ref score);
}
break;
}
case PBEMoveEffect.ChangeTarget_EVA:
{
foreach (PBEPokemon target in targets)
{
ScoreStatChange(user, target, PBEStat.Evasion, mData.EffectParam, ref score);
}
break;
}
case PBEMoveEffect.ChangeTarget_SPATK:
{
foreach (PBEPokemon target in targets)
{
ScoreStatChange(user, target, PBEStat.SpAttack, mData.EffectParam, ref score);
}
break;
}
case PBEMoveEffect.ChangeTarget_SPDEF:
{
foreach (PBEPokemon target in targets)
{
ScoreStatChange(user, target, PBEStat.SpDefense, mData.EffectParam, ref score);
}
break;
}
case PBEMoveEffect.ChangeTarget_SPE:
{
foreach (PBEPokemon target in targets)
{
ScoreStatChange(user, target, PBEStat.Speed, mData.EffectParam, ref score);
}
break;
}
case PBEMoveEffect.Confuse:
case PBEMoveEffect.Flatter:
case PBEMoveEffect.Swagger:
{
foreach (PBEPokemon target in targets)
{
// TODO: Only swagger/flatter if the opponent most likely won't use it against you
if (target.IsConfusionPossible(user, useKnownInfo: true) == PBEResult.Success)
{
score += target.Team == team ? -20 : +40;
}
else
{
score += target.Team == team ? 0 : -60;
}
}
break;
}
case PBEMoveEffect.Growth:
{
int change = team.Battle.WillLeafGuardActivate() ? +2 : +1;
foreach (PBEPokemon target in targets)
{
ScoreStatChange(user, target, PBEStat.Attack, change, ref score);
ScoreStatChange(user, target, PBEStat.SpAttack, change, ref score);
}
break;
}
case PBEMoveEffect.LeechSeed:
{
foreach (PBEPokemon target in targets)
{
if (target.IsLeechSeedPossible(useKnownInfo: true) == PBEResult.Success)
{
score += target.Team == team ? -20 : +40;
}
else
{
score += target.Team == team ? 0 : -60;
}
}
break;
}
case PBEMoveEffect.LightScreen:
{
score += team.TeamStatus.HasFlag(PBETeamStatus.LightScreen) || IsTeammateUsingEffect(actions, PBEMoveEffect.LightScreen) ? -100 : +40;
break;
}
case PBEMoveEffect.LowerTarget_ATK_DEF_By1:
{
foreach (PBEPokemon target in targets)
{
ScoreStatChange(user, target, PBEStat.Attack, -1, ref score);
ScoreStatChange(user, target, PBEStat.Defense, -1, ref score);
}
break;
}
case PBEMoveEffect.LowerTarget_DEF_SPDEF_By1_Raise_ATK_SPATK_SPE_By2:
{
foreach (PBEPokemon target in targets)
{
ScoreStatChange(user, target, PBEStat.Defense, -1, ref score);
ScoreStatChange(user, target, PBEStat.SpDefense, -1, ref score);
ScoreStatChange(user, target, PBEStat.Attack, +2, ref score);
ScoreStatChange(user, target, PBEStat.SpAttack, +2, ref score);
ScoreStatChange(user, target, PBEStat.Speed, +2, ref score);
}
break;
}
case PBEMoveEffect.LuckyChant:
{
score += team.TeamStatus.HasFlag(PBETeamStatus.LuckyChant) || IsTeammateUsingEffect(actions, PBEMoveEffect.LuckyChant) ? -100 : +40;
break;
}
case PBEMoveEffect.Moonlight:
case PBEMoveEffect.Rest:
case PBEMoveEffect.RestoreTargetHP:
{
foreach (PBEPokemon target in targets)
{
if (target.Team == team)
{
score += HPAware(target.HPPercentage, +45, -15);
}
else
{
score -= 100;
}
}
break;
}
case PBEMoveEffect.Nothing:
case PBEMoveEffect.Teleport:
{
score -= 100;
break;
}
case PBEMoveEffect.Paralyze:
{
foreach (PBEPokemon target in targets)
{
// TODO: Effectiveness with thunder wave/glare
if (target.IsParalysisPossible(user, useKnownInfo: true) == PBEResult.Success)
{
score += target.Team == team ? -20 : +40;
}
else
{
score += target.Team == team ? 0 : -60;
}
}
break;
}
case PBEMoveEffect.Poison:
case PBEMoveEffect.Toxic:
{
foreach (PBEPokemon target in targets)
{
// TODO: Poison Heal
if (target.IsPoisonPossible(user, useKnownInfo: true) == PBEResult.Success)
{
score += target.Team == team ? -20 : +40;
}
else
{
score += target.Team == team ? 0 : -60;
}
}
break;
}
case PBEMoveEffect.RaiseTarget_ATK_ACC_By1:
{
foreach (PBEPokemon target in targets)
{
ScoreStatChange(user, target, PBEStat.Attack, +1, ref score);
ScoreStatChange(user, target, PBEStat.Accuracy, +1, ref score);
}
break;
}
case PBEMoveEffect.RaiseTarget_ATK_DEF_By1:
{
foreach (PBEPokemon target in targets)
{
ScoreStatChange(user, target, PBEStat.Attack, +1, ref score);
ScoreStatChange(user, target, PBEStat.Defense, +1, ref score);
}
break;
}
case PBEMoveEffect.RaiseTarget_ATK_DEF_ACC_By1:
{
foreach (PBEPokemon target in targets)
{
ScoreStatChange(user, target, PBEStat.Attack, +1, ref score);
ScoreStatChange(user, target, PBEStat.Defense, +1, ref score);
ScoreStatChange(user, target, PBEStat.Accuracy, +1, ref score);
}
break;
}
case PBEMoveEffect.RaiseTarget_ATK_SPATK_By1:
{
foreach (PBEPokemon target in targets)
{
ScoreStatChange(user, target, PBEStat.Attack, +1, ref score);
ScoreStatChange(user, target, PBEStat.SpAttack, +1, ref score);
}
break;
}
case PBEMoveEffect.RaiseTarget_ATK_SPE_By1:
{
foreach (PBEPokemon target in targets)
{
ScoreStatChange(user, target, PBEStat.Attack, +1, ref score);
ScoreStatChange(user, target, PBEStat.Speed, +1, ref score);
}
break;
}
case PBEMoveEffect.RaiseTarget_DEF_SPDEF_By1:
{
foreach (PBEPokemon target in targets)
{
ScoreStatChange(user, target, PBEStat.Defense, +1, ref score);
ScoreStatChange(user, target, PBEStat.SpDefense, +1, ref score);
}
break;
}
case PBEMoveEffect.RaiseTarget_SPATK_SPDEF_By1:
{
foreach (PBEPokemon target in targets)
{
ScoreStatChange(user, target, PBEStat.SpAttack, +1, ref score);
ScoreStatChange(user, target, PBEStat.SpDefense, +1, ref score);
}
break;
}
case PBEMoveEffect.RaiseTarget_SPATK_SPDEF_SPE_By1:
{
foreach (PBEPokemon target in targets)
{
ScoreStatChange(user, target, PBEStat.SpAttack, +1, ref score);
ScoreStatChange(user, target, PBEStat.SpDefense, +1, ref score);
ScoreStatChange(user, target, PBEStat.Speed, +1, ref score);
}
break;
}
case PBEMoveEffect.RaiseTarget_SPE_By2_ATK_By1:
{
foreach (PBEPokemon target in targets)
{
ScoreStatChange(user, target, PBEStat.Speed, +2, ref score);
ScoreStatChange(user, target, PBEStat.Attack, +1, ref score);
}
break;
}
case PBEMoveEffect.Reflect:
{
score += team.TeamStatus.HasFlag(PBETeamStatus.Reflect) || IsTeammateUsingEffect(actions, PBEMoveEffect.Reflect) ? -100 : +40;
break;
}
case PBEMoveEffect.Safeguard:
{
score += team.TeamStatus.HasFlag(PBETeamStatus.Safeguard) || IsTeammateUsingEffect(actions, PBEMoveEffect.Safeguard) ? -100 : +40;
break;
}
case PBEMoveEffect.Sleep:
{
foreach (PBEPokemon target in targets)
{
// TODO: Bad Dreams
if (target.IsSleepPossible(user, useKnownInfo: true) == PBEResult.Success)
{
score += target.Team == team ? -20 : +40;
}
else
{
score += target.Team == team ? 0 : -60;
}
}
break;
}
case PBEMoveEffect.Substitute:
{
foreach (PBEPokemon target in targets)
{
if (target.IsSubstitutePossible() == PBEResult.Success)
{
score += target.Team == team?HPAware(target.HPPercentage, -30, +50) : -60;
}
else
{
score += target.Team == team ? 0 : -20;
}
}
break;
}
case PBEMoveEffect.ChangeTarget_SPATK__IfAttractionPossible:
case PBEMoveEffect.Conversion:
case PBEMoveEffect.Curse:
case PBEMoveEffect.Endeavor:
case PBEMoveEffect.FinalGambit:
case PBEMoveEffect.FocusEnergy:
case PBEMoveEffect.GastroAcid:
case PBEMoveEffect.Hail:
case PBEMoveEffect.Haze:
case PBEMoveEffect.HelpingHand:
case PBEMoveEffect.HPDrain__RequireSleep:
case PBEMoveEffect.MagnetRise:
case PBEMoveEffect.Metronome:
case PBEMoveEffect.OneHitKnockout:
case PBEMoveEffect.PainSplit:
case PBEMoveEffect.PowerTrick:
case PBEMoveEffect.Protect:
case PBEMoveEffect.PsychUp:
case PBEMoveEffect.Psywave:
case PBEMoveEffect.RainDance:
case PBEMoveEffect.Sandstorm:
case PBEMoveEffect.SeismicToss:
case PBEMoveEffect.Selfdestruct:
case PBEMoveEffect.SetDamage:
case PBEMoveEffect.SimpleBeam:
case PBEMoveEffect.Snore:
case PBEMoveEffect.Soak:
case PBEMoveEffect.Spikes:
case PBEMoveEffect.StealthRock:
case PBEMoveEffect.SunnyDay:
case PBEMoveEffect.SuperFang:
case PBEMoveEffect.Tailwind:
case PBEMoveEffect.ToxicSpikes:
case PBEMoveEffect.Transform:
case PBEMoveEffect.TrickRoom:
case PBEMoveEffect.Whirlwind:
case PBEMoveEffect.WideGuard:
{
// TODO Moves
break;
}
default: throw new ArgumentOutOfRangeException(nameof(PBEMoveData.Effect));
}
}
possibleActions.Add((new PBETurnAction(user.Id, move, possibleTarget), score));
}
}
if (user.CanSwitchOut())
{
for (int s = 0; s < availableForSwitch.Length; s++) // Score switches
{
PBEPokemon switchPkmn = availableForSwitch[s];
// TODO: Entry hazards
// TODO: Known moves of active battlers
// TODO: Type effectiveness
double score = -10d;
possibleActions.Add((new PBETurnAction(user.Id, switchPkmn.Id), score));
}
}
string ToDebugString((PBETurnAction Action, double Score) t)
{
string str = "{";
if (t.Action.Decision == PBETurnDecision.Fight)
{
str += string.Format("Fight {0} {1}", t.Action.FightMove, t.Action.FightTargets);
}
else
{
str += string.Format("Switch {0}", team.TryGetPokemon(t.Action.SwitchPokemonId).Nickname);
}
str += " [" + t.Score + "]}";
return(str);
}
IOrderedEnumerable <(PBETurnAction Action, double Score)> byScore = possibleActions.OrderByDescending(t => t.Score);
Debug.WriteLine("{0}'s possible actions: {1}", user.Nickname, byScore.Select(t => ToDebugString(t)).Print());
double bestScore = byScore.First().Score;
actions[i] = byScore.Where(t => t.Score == bestScore).ToArray().RandomElement().Action; // Pick random action of the ones that tied for best score
}
// Action was chosen, finish up for this Pokémon
if (actions[i].Decision == PBETurnDecision.SwitchOut)
{
standBy.Add(team.TryGetPokemon(actions[i].SwitchPokemonId));
}
}
return(actions);
}
/// <summary>Creates valid actions for a battle turn for a specific team.</summary>
/// <param name="team">The team to create actions for.</param>
/// <exception cref="InvalidOperationException">Thrown when <paramref name="team"/> has no active battlers or <paramref name="team"/>'s <see cref="PBETeam.Battle"/>'s <see cref="PBEBattle.BattleState"/> is not <see cref="PBEBattleState.WaitingForActions"/>.</exception>
/// <exception cref="ArgumentOutOfRangeException">Thrown when a Pokémon has no moves, the AI tries to use a move with invalid targets, or <paramref name="team"/>'s <see cref="PBETeam.Battle"/>'s <see cref="PBEBattle.BattleFormat"/> is invalid.</exception>
public static PBETurnAction[] CreateActions(PBETeam team)
{
if (team == null)
{
throw new ArgumentNullException(nameof(team));
}
if (team.Battle.BattleState != PBEBattleState.WaitingForActions)
{
throw new InvalidOperationException($"{nameof(team.Battle.BattleState)} must be {PBEBattleState.WaitingForActions} to create actions.");
}
var actions = new PBETurnAction[team.ActionsRequired.Count];
var standBy = new List <PBEPokemon>();
for (int i = 0; i < actions.Length; i++)
{
PBEPokemon pkmn = team.ActionsRequired[i];
// If a Pokémon is forced to struggle, it is best that it just stays in until it faints
if (pkmn.IsForcedToStruggle())
{
actions[i] = new PBETurnAction(pkmn.Id, PBEMove.Struggle, GetPossibleTargets(pkmn, pkmn.GetMoveTargets(PBEMove.Struggle))[0]);
}
// If a Pokémon has a temp locked move (Dig, Dive, Shadow Force) it must be used
else if (pkmn.TempLockedMove != PBEMove.None)
{
actions[i] = new PBETurnAction(pkmn.Id, pkmn.TempLockedMove, pkmn.TempLockedTargets);
}
// The Pokémon is free to switch or fight (unless it cannot switch due to Magnet Pull etc)
else
{
// Gather all options of switching and moves
PBEPokemon[] availableForSwitch = team.Party.Except(standBy).Where(p => p.FieldPosition == PBEFieldPosition.None && p.HP > 0).ToArray();
PBEMove[] usableMoves = pkmn.GetUsableMoves();
var possibleActions = new List <(PBETurnAction Action, double Score)>();
for (int m = 0; m < usableMoves.Length; m++) // Score moves
{
PBEMove move = usableMoves[m];
PBEType moveType = pkmn.GetMoveType(move);
PBEMoveTarget moveTargets = pkmn.GetMoveTargets(move);
PBETurnTarget[] possibleTargets = PBEMoveData.IsSpreadMove(moveTargets)
? new PBETurnTarget[] { GetSpreadMoveTargets(pkmn, moveTargets) }
: GetPossibleTargets(pkmn, moveTargets);
foreach (PBETurnTarget possibleTarget in possibleTargets)
{
// TODO: RandomFoeSurrounding (probably just account for the specific effects that use this target type)
var targets = new List <PBEPokemon>();
if (possibleTarget.HasFlag(PBETurnTarget.AllyLeft))
{
targets.Add(team.TryGetPokemon(PBEFieldPosition.Left));
}
if (possibleTarget.HasFlag(PBETurnTarget.AllyCenter))
{
targets.Add(team.TryGetPokemon(PBEFieldPosition.Center));
}
if (possibleTarget.HasFlag(PBETurnTarget.AllyRight))
{
targets.Add(team.TryGetPokemon(PBEFieldPosition.Right));
}
if (possibleTarget.HasFlag(PBETurnTarget.FoeLeft))
{
targets.Add(team.OpposingTeam.TryGetPokemon(PBEFieldPosition.Left));
}
if (possibleTarget.HasFlag(PBETurnTarget.FoeCenter))
{
targets.Add(team.OpposingTeam.TryGetPokemon(PBEFieldPosition.Center));
}
if (possibleTarget.HasFlag(PBETurnTarget.FoeRight))
{
targets.Add(team.OpposingTeam.TryGetPokemon(PBEFieldPosition.Right));
}
double score = 0.0;
switch (PBEMoveData.Data[move].Effect)
{
case PBEMoveEffect.Burn:
case PBEMoveEffect.Paralyze:
case PBEMoveEffect.Poison:
case PBEMoveEffect.Sleep:
case PBEMoveEffect.Toxic:
{
foreach (PBEPokemon target in targets)
{
if (target == null)
{
// TODO: If all targets are null, this should give a bad score
}
else
{
// TODO: Effectiveness check
// TODO: Favor sleep with Bad Dreams (unless ally)
if (target.Status1 != PBEStatus1.None)
{
score += target.Team == team.OpposingTeam ? -60 : 0;
}
else
{
score += target.Team == team.OpposingTeam ? +40 : -20;
}
}
}
break;
}
case PBEMoveEffect.Hail:
{
if (team.Battle.Weather == PBEWeather.Hailstorm)
{
score -= 100;
}
break;
}
case PBEMoveEffect.BrickBreak:
case PBEMoveEffect.Dig:
case PBEMoveEffect.Dive:
case PBEMoveEffect.Fly:
case PBEMoveEffect.Hit:
case PBEMoveEffect.Hit__MaybeBurn:
case PBEMoveEffect.Hit__MaybeConfuse:
case PBEMoveEffect.Hit__MaybeFlinch:
case PBEMoveEffect.Hit__MaybeFreeze:
case PBEMoveEffect.Hit__MaybeLowerTarget_ACC_By1:
case PBEMoveEffect.Hit__MaybeLowerTarget_ATK_By1:
case PBEMoveEffect.Hit__MaybeLowerTarget_DEF_By1:
case PBEMoveEffect.Hit__MaybeLowerTarget_SPATK_By1:
case PBEMoveEffect.Hit__MaybeLowerTarget_SPDEF_By1:
case PBEMoveEffect.Hit__MaybeLowerTarget_SPDEF_By2:
case PBEMoveEffect.Hit__MaybeLowerTarget_SPE_By1:
case PBEMoveEffect.Hit__MaybeLowerUser_ATK_DEF_By1:
case PBEMoveEffect.Hit__MaybeLowerUser_DEF_SPDEF_By1:
case PBEMoveEffect.Hit__MaybeLowerUser_SPATK_By2:
case PBEMoveEffect.Hit__MaybeLowerUser_SPE_By1:
case PBEMoveEffect.Hit__MaybeLowerUser_SPE_DEF_SPDEF_By1:
case PBEMoveEffect.Hit__MaybeParalyze:
case PBEMoveEffect.Hit__MaybePoison:
case PBEMoveEffect.Hit__MaybeRaiseUser_ATK_By1:
case PBEMoveEffect.Hit__MaybeRaiseUser_ATK_DEF_SPATK_SPDEF_SPE_By1:
case PBEMoveEffect.Hit__MaybeRaiseUser_DEF_By1:
case PBEMoveEffect.Hit__MaybeRaiseUser_SPATK_By1:
case PBEMoveEffect.Hit__MaybeRaiseUser_SPE_By1:
case PBEMoveEffect.Hit__MaybeToxic:
case PBEMoveEffect.HPDrain:
case PBEMoveEffect.Recoil:
case PBEMoveEffect.FlareBlitz:
case PBEMoveEffect.SuckerPunch:
case PBEMoveEffect.VoltTackle:
{
foreach (PBEPokemon target in targets)
{
if (target == null)
{
// TODO: If all targets are null, this should give a bad score
}
else
{
// TODO: Put type checking somewhere in PBEPokemon (levitate, wonder guard, etc)
// TODO: Favor hitting ally with move if it absorbs it
// TODO: Check items
// TODO: Stat changes and accuracy
// TODO: Check base power specifically against hp remaining (include spread move damage reduction)
double typeEffectiveness = PBEPokemonData.TypeEffectiveness[moveType][target.KnownType1];
typeEffectiveness *= PBEPokemonData.TypeEffectiveness[moveType][target.KnownType2];
if (typeEffectiveness <= 0.0) // (-infinity, 0.0] Ineffective
{
score += target.Team == team.OpposingTeam ? -60 : -1;
}
else if (typeEffectiveness <= 0.25) // (0.0, 0.25] NotVeryEffective
{
score += target.Team == team.OpposingTeam ? -30 : -5;
}
else if (typeEffectiveness < 1.0) // (0.25, 1.0) NotVeryEffective
{
score += target.Team == team.OpposingTeam ? -10 : -10;
}
else if (typeEffectiveness == 1.0) // [1.0, 1.0] Normal
{
score += target.Team == team.OpposingTeam ? +10 : -15;
}
else if (typeEffectiveness < 4.0) // (1.0, 4.0) SuperEffective
{
score += target.Team == team.OpposingTeam ? +25 : -20;
}
else // [4.0, infinity) SuperEffective
{
score += target.Team == team.OpposingTeam ? +40 : -30;
}
if (pkmn.HasType(moveType) && typeEffectiveness > 0.0) // STAB
{
score += (pkmn.Ability == PBEAbility.Adaptability ? 15 : 10) * (target.Team == team.OpposingTeam ? +1 : -1);
}
}
}
break;
}
case PBEMoveEffect.Moonlight:
case PBEMoveEffect.Rest:
case PBEMoveEffect.RestoreTargetHP:
case PBEMoveEffect.RestoreUserHP:
{
PBEPokemon target = targets[0];
if (target == null || target.Team == team.OpposingTeam)
{
score -= 100;
}
else // Ally
{
// 0% = +45, 25% = +30, 50% = +15, 75% = 0, 100% = -15
score -= (60 * target.HPPercentage) - 45;
}
break;
}
case PBEMoveEffect.RainDance:
{
if (team.Battle.Weather == PBEWeather.Rain)
{
score -= 100;
}
break;
}
case PBEMoveEffect.Sandstorm:
{
if (team.Battle.Weather == PBEWeather.Sandstorm)
{
score -= 100;
}
break;
}
case PBEMoveEffect.SunnyDay:
{
if (team.Battle.Weather == PBEWeather.HarshSunlight)
{
score -= 100;
}
break;
}
case PBEMoveEffect.Attract:
case PBEMoveEffect.ChangeTarget_ACC:
case PBEMoveEffect.ChangeTarget_ATK:
case PBEMoveEffect.ChangeTarget_DEF:
case PBEMoveEffect.ChangeTarget_EVA:
case PBEMoveEffect.ChangeTarget_SPDEF:
case PBEMoveEffect.ChangeTarget_SPE:
case PBEMoveEffect.ChangeUser_ATK:
case PBEMoveEffect.ChangeUser_DEF:
case PBEMoveEffect.ChangeUser_EVA:
case PBEMoveEffect.ChangeUser_SPATK:
case PBEMoveEffect.ChangeUser_SPDEF:
case PBEMoveEffect.ChangeUser_SPE:
case PBEMoveEffect.Confuse:
case PBEMoveEffect.Curse:
case PBEMoveEffect.Endeavor:
case PBEMoveEffect.Fail:
case PBEMoveEffect.FinalGambit:
case PBEMoveEffect.Flatter:
case PBEMoveEffect.FocusEnergy:
case PBEMoveEffect.GastroAcid:
case PBEMoveEffect.Growth:
case PBEMoveEffect.HelpingHand:
case PBEMoveEffect.LeechSeed:
case PBEMoveEffect.LightScreen:
case PBEMoveEffect.LowerTarget_ATK_DEF_By1:
case PBEMoveEffect.LowerUser_DEF_SPDEF_By1_Raise_ATK_SPATK_SPE_By2:
case PBEMoveEffect.LuckyChant:
case PBEMoveEffect.Metronome:
case PBEMoveEffect.OneHitKnockout:
case PBEMoveEffect.PainSplit:
case PBEMoveEffect.Protect:
case PBEMoveEffect.PsychUp:
case PBEMoveEffect.Psywave:
case PBEMoveEffect.RaiseUser_ATK_ACC_By1:
case PBEMoveEffect.RaiseUser_ATK_DEF_By1:
case PBEMoveEffect.RaiseUser_ATK_DEF_ACC_By1:
case PBEMoveEffect.RaiseUser_ATK_SPATK_By1:
case PBEMoveEffect.RaiseUser_ATK_SPE_By1:
case PBEMoveEffect.RaiseUser_DEF_SPDEF_By1:
case PBEMoveEffect.RaiseUser_SPATK_SPDEF_By1:
case PBEMoveEffect.RaiseUser_SPATK_SPDEF_SPE_By1:
case PBEMoveEffect.RaiseUser_SPE_By2_ATK_By1:
case PBEMoveEffect.Reflect:
case PBEMoveEffect.SeismicToss:
case PBEMoveEffect.Selfdestruct:
case PBEMoveEffect.SetDamage:
case PBEMoveEffect.Snore:
case PBEMoveEffect.Spikes:
case PBEMoveEffect.StealthRock:
case PBEMoveEffect.Substitute:
case PBEMoveEffect.SuperFang:
case PBEMoveEffect.Swagger:
case PBEMoveEffect.ToxicSpikes:
case PBEMoveEffect.Transform:
case PBEMoveEffect.TrickRoom:
case PBEMoveEffect.Whirlwind:
case PBEMoveEffect.WideGuard:
{
// TODO Moves
break;
}
default: throw new ArgumentOutOfRangeException(nameof(PBEMoveData.Effect));
}
possibleActions.Add((new PBETurnAction(pkmn.Id, move, possibleTarget), score));
}
}
if (pkmn.CanSwitchOut())
{
for (int s = 0; s < availableForSwitch.Length; s++) // Score switches
{
PBEPokemon switchPkmn = availableForSwitch[s];
// TODO: Entry hazards
// TODO: Known moves of active battlers
// TODO: Type effectiveness
double score = 0.0;
possibleActions.Add((new PBETurnAction(pkmn.Id, switchPkmn.Id), score));
}
}
string ToDebugString((PBETurnAction Action, double Score) t)
{
string str = "{";
if (t.Action.Decision == PBETurnDecision.Fight)
{
str += string.Format("Fight {0} {1}", t.Action.FightMove, t.Action.FightTargets);
}
else
{
str += string.Format("Switch {0}", team.TryGetPokemon(t.Action.SwitchPokemonId).Nickname);
}
str += " [" + t.Score + "]}";
return(str);
}
IOrderedEnumerable <(PBETurnAction Action, double Score)> byScore = possibleActions.OrderByDescending(t => t.Score);
Debug.WriteLine("{0}'s possible actions: {1}", pkmn.Nickname, byScore.Select(t => ToDebugString(t)).Print());
double bestScore = byScore.First().Score;
actions[i] = byScore.Where(t => t.Score == bestScore).ToArray().RandomElement().Action; // Pick random action of the ones that tied for best score
}
// Action was chosen, finish up for this Pokémon
if (actions[i].Decision == PBETurnDecision.SwitchOut)
{
standBy.Add(team.TryGetPokemon(actions[i].SwitchPokemonId));
}
}
return(actions);
}