mirror of
https://github.com/kwsch/PKHeX
synced 2024-12-23 02:43:13 +00:00
9166d0eb64
Rewrites a good amount of legality APIs pertaining to: * Legal moves that can be learned * Evolution chains & cross-generation paths * Memory validation with forgotten moves In generation 8, there are 3 separate contexts an entity can exist in: SW/SH, BD/SP, and LA. Not every entity can cross between them, and not every entity from generation 7 can exist in generation 8 (Gogoat, etc). By creating class models representing the restrictions to cross each boundary, we are able to better track and validate data. The old implementation of validating moves was greedy: it would iterate for all generations and evolutions, and build a full list of every move that can be learned, storing it on the heap. Now, we check one game group at a time to see if the entity can learn a move that hasn't yet been validated. End result is an algorithm that requires 0 allocation, and a smaller/quicker search space. The old implementation of storing move parses was inefficient; for each move that was parsed, a new object is created and adjusted depending on the parse. Now, move parse results are `struct` and store the move parse contiguously in memory. End result is faster parsing and 0 memory allocation. * `PersonalTable` objects have been improved with new API methods to check if a species+form can exist in the game. * `IEncounterTemplate` objects have been improved to indicate the `EntityContext` they originate in (similar to `Generation`). * Some APIs have been extended to accept `Span<T>` instead of Array/IEnumerable
55 lines
1.6 KiB
C#
55 lines
1.6 KiB
C#
namespace PKHeX.Core;
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/// <summary>
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/// Generation 4 Pokéwalker Encounter
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/// </summary>
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/// <inheritdoc cref="EncounterStatic"/>
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public sealed record EncounterStatic4Pokewalker : EncounterStatic
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{
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public override int Generation => 4;
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public override EntityContext Context => EntityContext.Gen4;
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public EncounterStatic4Pokewalker(ushort species, sbyte gender, byte level) : base(GameVersion.HGSS)
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{
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Species = species;
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Gender = gender;
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Level = level;
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Gift = true;
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Location = Locations.PokeWalker4;
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}
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protected override bool IsMatchLocation(PKM pk)
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{
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if (pk.Format == 4)
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return Location == pk.Met_Location;
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return true; // transfer location verified later
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}
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protected override bool IsMatchLevel(PKM pk, EvoCriteria evo)
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{
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if (pk.Format != 4) // Met Level lost on PK4=>PK5
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return Level <= evo.LevelMax;
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return pk.Met_Level == Level;
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}
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protected override bool IsMatchPartial(PKM pk)
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{
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if (Gift && pk.Ball != Ball)
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return true;
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return base.IsMatchPartial(pk);
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}
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protected override void SetPINGA(PKM pk, EncounterCriteria criteria)
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{
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var pi = pk.PersonalInfo;
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int gender = criteria.GetGender(Gender, pi);
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int nature = (int)criteria.GetNature(Nature.Random);
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// Cannot force an ability; nature-gender-trainerID only yield fixed PIDs.
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// int ability = criteria.GetAbilityFromNumber(Ability, pi);
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PIDGenerator.SetRandomPIDPokewalker(pk, nature, gender);
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criteria.SetRandomIVs(pk);
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}
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}
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