mirror of
https://github.com/kwsch/PKHeX
synced 2024-12-25 20:03:12 +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
65 lines
2.2 KiB
C#
65 lines
2.2 KiB
C#
using System;
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namespace PKHeX.Core;
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/// <summary>
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/// Encounter Slot found in <see cref="GameVersion.ORAS"/>.
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/// </summary>
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/// <inheritdoc cref="EncounterSlot"/>
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public sealed record EncounterSlot6AO : EncounterSlot
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{
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public override int Generation => 6;
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public override EntityContext Context => EntityContext.Gen6;
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public bool CanDexNav => Area.Type != SlotType.Rock_Smash;
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public bool IsHorde => Area.Type == SlotType.Horde;
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public bool Pressure { get; init; }
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public bool DexNav { get; init; }
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public bool WhiteFlute { get; init; }
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public bool BlackFlute { get; init; }
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public EncounterSlot6AO(EncounterArea6AO area, ushort species, byte form, byte min, byte max) : base(area, species, form, min, max)
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{
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}
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protected override void SetFormatSpecificData(PKM pk)
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{
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var pk6 = (PK6)pk;
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if (CanDexNav)
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{
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var eggMoves = GetDexNavMoves();
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if (eggMoves.Length > 0)
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pk6.RelearnMove1 = eggMoves[Util.Rand.Next(eggMoves.Length)];
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}
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pk6.SetRandomMemory6();
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pk6.SetRandomEC();
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}
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public override string GetConditionString(out bool valid)
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{
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valid = true;
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if (WhiteFlute) // Decreased Level Encounters
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return Pressure ? LegalityCheckStrings.LEncConditionWhiteLead : LegalityCheckStrings.LEncConditionWhite;
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if (BlackFlute) // Increased Level Encounters
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return Pressure ? LegalityCheckStrings.LEncConditionBlackLead : LegalityCheckStrings.LEncConditionBlack;
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if (DexNav)
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return LegalityCheckStrings.LEncConditionDexNav;
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return Pressure ? LegalityCheckStrings.LEncConditionLead : LegalityCheckStrings.LEncCondition;
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}
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protected override HiddenAbilityPermission IsHiddenAbilitySlot() => CanDexNav || IsHorde ? HiddenAbilityPermission.Possible : HiddenAbilityPermission.Never;
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private ReadOnlySpan<int> GetDexNavMoves()
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{
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var et = EvolutionTree.Evolves6;
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var baby = et.GetBaseSpeciesForm((ushort)Species, (byte)Form);
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return MoveEgg.GetEggMoves(6, baby.Species, baby.Form, Version);
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}
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public bool CanBeDexNavMove(int move)
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{
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var baseEgg = GetDexNavMoves();
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return baseEgg.Contains(move);
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}
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}
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