96 lines
3.5 KiB
C#
96 lines
3.5 KiB
C#
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using PkmnLib.Static.Moves;
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namespace PkmnLib.Dynamic.Models.BattleFlow;
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/// <summary>
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/// Helper class for resolving the targets of a move.
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/// </summary>
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public static class TargetResolver
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{
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/// <summary>
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/// Get the targets of a move based on the target type, and the selected side and position to target.
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/// </summary>
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public static IReadOnlyList<IPokemon?> ResolveTargets(IBattle battle, byte side, byte position, MoveTarget target)
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{
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return target switch
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{
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MoveTarget.Adjacent or MoveTarget.AdjacentAlly or MoveTarget.AdjacentAllySelf or MoveTarget.AdjacentOpponent
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or MoveTarget.Any or MoveTarget.RandomOpponent
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or MoveTarget.SelfUse => [battle.GetPokemon(side, position)],
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MoveTarget.All => GetAllTargets(battle),
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MoveTarget.AllAdjacentOpponent => GetAllAdjacentAndOpponent(battle, side, position),
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MoveTarget.AllAdjacent => GetAllAdjacent(battle, side, position),
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MoveTarget.AllAlly => battle.Sides[side].Pokemon.ToList(),
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MoveTarget.AllOpponent => battle.Sides[GetOppositeSide(side)].Pokemon.ToList(),
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_ => throw new ArgumentOutOfRangeException(nameof(target), target, null)
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};
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}
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private static IReadOnlyList<IPokemon?> GetAllTargets(IBattle battle) =>
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battle.Sides.SelectMany(x => x.Pokemon).ToList();
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private static byte GetOppositeSide(byte side) => side == 0 ? (byte)1 : (byte)0;
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/// <summary>
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/// Gets all Pokémon that are adjacent to of directly opposite of a Pokémon. This means the target,
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/// the Pokémon left of it, the Pokémon right of it, and the Pokémon opposite of it.
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/// </summary>
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private static IReadOnlyList<IPokemon?> GetAllAdjacentAndOpponent(IBattle battle, byte side, byte position)
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{
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var left = position - 1;
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var right = position + 1;
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if (left < 0 && right >= battle.PositionsPerSide)
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{
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return [battle.GetPokemon(side, position), battle.GetPokemon(GetOppositeSide(side), position)];
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}
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if (left < 0)
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{
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return
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[
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battle.GetPokemon(side, position), battle.GetPokemon(GetOppositeSide(side), position),
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battle.GetPokemon(side, (byte)right)
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];
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}
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if (right >= battle.PositionsPerSide)
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{
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return
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[
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battle.GetPokemon(side, position), battle.GetPokemon(GetOppositeSide(side), position),
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battle.GetPokemon(side, (byte)left)
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];
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}
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return
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[
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battle.GetPokemon(side, position), battle.GetPokemon(GetOppositeSide(side), position),
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battle.GetPokemon(side, (byte)left), battle.GetPokemon(side, (byte)right)
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];
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}
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private static IReadOnlyList<IPokemon?> GetAllAdjacent(IBattle battle, byte side, byte position)
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{
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var left = position - 1;
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var right = position + 1;
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if (left < 0 && right >= battle.PositionsPerSide)
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{
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return [battle.GetPokemon(side, position)];
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}
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if (left < 0)
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{
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return [battle.GetPokemon(side, position), battle.GetPokemon(side, (byte)right)];
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}
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if (right >= battle.PositionsPerSide)
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{
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return [battle.GetPokemon(side, position), battle.GetPokemon(side, (byte)left)];
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}
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return
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[
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battle.GetPokemon(side, position), battle.GetPokemon(side, (byte)left), battle.GetPokemon(side, (byte)right)
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];
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}
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}
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