mirror of
https://github.com/kwsch/PKHeX
synced 2024-12-20 17:33:25 +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
85 lines
2.5 KiB
C#
85 lines
2.5 KiB
C#
using System;
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using System.Linq;
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namespace PKHeX.Core;
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/// <summary>
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/// Generation 3 Static Encounter
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/// </summary>
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/// <inheritdoc cref="EncounterStatic"/>
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public sealed record EncounterStatic3 : EncounterStatic
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{
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public override int Generation => 3;
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public override EntityContext Context => EntityContext.Gen3;
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public bool Roaming { get; init; }
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public EncounterStatic3(ushort species, byte level, GameVersion game) : base(game)
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{
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Species = species;
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Level = level;
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}
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protected override bool IsMatchEggLocation(PKM pk)
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{
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if (pk.Format == 3)
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return !pk.IsEgg || EggLocation == 0 || EggLocation == pk.Met_Location;
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return base.IsMatchEggLocation(pk);
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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 != 3) // Met Level lost on PK3=>PK4
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return Level <= evo.LevelMax;
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if (EggEncounter)
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return pk.Met_Level == 0 && pk.CurrentLevel >= 5; // met level 0, origin level 5
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return pk.Met_Level == Level;
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}
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protected override bool IsMatchLocation(PKM pk)
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{
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if (EggEncounter)
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return true;
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if (pk.Format != 3)
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return true; // transfer location verified later
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var met = pk.Met_Location;
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if (!Roaming)
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return Location == met;
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var table = Version <= GameVersion.E ? Roaming_MetLocation_RSE : Roaming_MetLocation_FRLG;
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return table.Contains(met);
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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 SetMetData(PKM pk, int level, DateTime today)
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{
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pk.Met_Level = level;
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pk.Met_Location = !Roaming ? Location : (Version <= GameVersion.E ? Roaming_MetLocation_RSE : Roaming_MetLocation_FRLG)[0];
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}
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private static readonly int[] Roaming_MetLocation_FRLG =
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{
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// Route 1-25 encounter is possible either in grass or on water
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101,102,103,104,105,106,107,108,109,110,
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111,112,113,114,115,116,117,118,119,120,
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121,122,123,124,125,
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};
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private static readonly int[] Roaming_MetLocation_RSE =
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{
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// Roaming encounter is possible in tall grass and on water
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// Route 101-138
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16, 17, 18, 19, 20, 21, 22, 23, 24, 25,
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26, 27, 28, 29, 30, 31, 32, 33, 34, 35,
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36, 37, 38, 39, 40, 41, 42, 43, 44, 45,
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46, 47, 48, 49,
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};
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}
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