48 lines
2.0 KiB
C#
48 lines
2.0 KiB
C#
namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
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/// <summary>
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/// PreventStatLowering is a generic ability that prevents the user's stats from being lowered by opposing Pokémon.
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/// This ability can be configured to prevent lowering of a specific stat or all stats.
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/// This ability is used by abilities like Clear Body, White Smoke, and Full Metal Body.
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///
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/// <see href="https://bulbapedia.bulbagarden.net/wiki/Clear_Body_(Ability)">Bulbapedia - Clear Body</see>
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/// <see href="https://bulbapedia.bulbagarden.net/wiki/White_Smoke_(Ability)">Bulbapedia - White Smoke</see>
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/// <see href="https://bulbapedia.bulbagarden.net/wiki/Full_Metal_Body_(Ability)">Bulbapedia - Full Metal Body</see>
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/// </summary>
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[Script(ScriptCategory.Ability, "prevent_stat_lowering")]
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public class PreventStatLowering : Script, IScriptOnInitialize
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{
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/// <summary>
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/// The statistic that this ability prevents from being lowered.
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/// Null means it prevents all stat lowering.
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/// </summary>
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private Statistic? _statistic;
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/// <inheritdoc />
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public void OnInitialize(IReadOnlyDictionary<StringKey, object?>? parameters)
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{
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if (parameters is null)
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throw new ArgumentNullException(nameof(parameters), "Parameters cannot be null.");
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if (parameters.TryGetValue("stat", out var statObj) && statObj is string statStr)
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{
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if (!Enum.TryParse(statStr, true, out Statistic stat))
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throw new ArgumentException($"Invalid statistic '{statStr}' provided.", nameof(statStr));
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_statistic = stat;
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}
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}
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/// <inheritdoc />
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public override void PreventStatBoostChange(IPokemon target, Statistic stat, sbyte amount, bool selfInflicted,
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ref bool prevent)
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{
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if (_statistic is not null && _statistic != stat)
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return;
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if (amount >= 0)
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return;
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if (!selfInflicted)
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{
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target.BattleData?.Battle.EventHook.Invoke(new AbilityTriggerEvent(target));
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prevent = true;
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}
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}
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} |