mirror of
https://github.com/kwsch/PKHeX
synced 2024-11-23 12:33:06 +00:00
690 lines
21 KiB
C#
690 lines
21 KiB
C#
using System;
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using System.Collections.Generic;
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using static PKHeX.Core.Species;
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namespace PKHeX.Core;
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/// <summary>
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/// Logic for exporting and importing <see cref="PKM"/> data in Pokémon Showdown's text format.
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/// </summary>
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public sealed class ShowdownSet : IBattleTemplate
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{
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private static readonly string[] StatNames = { "HP", "Atk", "Def", "Spe", "SpA", "SpD" };
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private static readonly string[] Splitters = {"\r\n", "\n"};
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private static readonly string[] StatSplitters = { " / ", " " };
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private const string LineSplit = ": ";
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private const string ItemSplit = " @ ";
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private static readonly char[] ParenJunk = { '(', ')', '[', ']' };
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private static readonly ushort[] DashedSpecies = {782, 783, 784, 250, 032, 029}; // Kommo-o, Ho-Oh, Nidoran-M, Nidoran-F
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private const int MAX_SPECIES = (int)MAX_COUNT - 1;
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internal const string DefaultLanguage = GameLanguage.DefaultLanguage;
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private static readonly GameStrings DefaultStrings = GameInfo.GetStrings(DefaultLanguage);
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/// <inheritdoc/>
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public ushort Species { get; private set; }
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/// <inheritdoc/>
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public EntityContext Context { get; private set; } = RecentTrainerCache.Context;
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/// <inheritdoc/>
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public string Nickname { get; private set; } = string.Empty;
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/// <inheritdoc/>
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public int Gender { get; private set; } = -1;
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/// <inheritdoc/>
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public int HeldItem { get; private set; }
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/// <inheritdoc/>
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public int Ability { get; private set; } = -1;
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/// <inheritdoc/>
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public int Level { get; private set; } = 100;
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/// <inheritdoc/>
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public bool Shiny { get; private set; }
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/// <inheritdoc/>
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public int Friendship { get; private set; } = 255;
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/// <inheritdoc/>
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public int Nature { get; set; } = -1;
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/// <inheritdoc/>
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public string FormName { get; private set; } = string.Empty;
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/// <inheritdoc/>
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public byte Form { get; private set; }
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/// <inheritdoc/>
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public int[] EVs { get; } = {00, 00, 00, 00, 00, 00};
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/// <inheritdoc/>
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public int[] IVs { get; } = {31, 31, 31, 31, 31, 31};
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/// <inheritdoc/>
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public int HiddenPowerType { get; set; } = -1;
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/// <inheritdoc/>
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public ushort[] Moves { get; } = {0, 0, 0, 0};
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/// <inheritdoc/>
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public bool CanGigantamax { get; set; }
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/// <inheritdoc/>
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public byte DynamaxLevel { get; set; } = 10;
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/// <summary>
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/// Any lines that failed to be parsed.
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/// </summary>
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public readonly List<string> InvalidLines = new();
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private GameStrings Strings { get; set; } = DefaultStrings;
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/// <summary>
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/// Loads a new <see cref="ShowdownSet"/> from the input string.
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/// </summary>
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/// <param name="input">Single-line string which will be split before loading.</param>
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public ShowdownSet(string input) : this(input.Split(Splitters, 0)) { }
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/// <summary>
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/// Loads a new <see cref="ShowdownSet"/> from the input string.
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/// </summary>
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/// <param name="lines">Enumerable list of lines.</param>
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public ShowdownSet(IEnumerable<string> lines) => LoadLines(lines);
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private void LoadLines(IEnumerable<string> lines)
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{
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ParseLines(lines);
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FormName = ShowdownParsing.SetShowdownFormName(Species, FormName, Ability);
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Form = ShowdownParsing.GetFormFromString(FormName, Strings, Species, Context);
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// Handle edge case with fixed-gender forms.
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if (Species is (int)Meowstic or (int)Indeedee or (int)Basculegion)
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ReviseGenderedForms();
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}
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private static IEnumerable<string> GetSanitizedLines(IEnumerable<string> lines)
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{
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foreach (var line in lines)
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{
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var trim = line.Trim();
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if (trim.Length <= 2)
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continue;
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// Sanitize apostrophes & dashes
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if (trim.IndexOf('\'') != -1)
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trim = trim.Replace('\'', '’');
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if (trim.IndexOf('–') != -1)
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trim = trim.Replace('–', '-');
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yield return trim;
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}
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}
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private void ReviseGenderedForms()
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{
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if (Gender == 1) // Recognized with (F)
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{
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FormName = "F";
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Form = 1;
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}
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else
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{
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FormName = Form == 1 ? "F" : "M";
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Gender = Form;
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}
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}
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private const int MaxMoveCount = 4;
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private void ParseLines(IEnumerable<string> lines)
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{
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lines = GetSanitizedLines(lines);
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using var e = lines.GetEnumerator();
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if (!e.MoveNext())
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return;
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ParseFirstLine(e.Current!);
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int movectr = 0;
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while (e.MoveNext())
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{
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var line = e.Current!;
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if (line.Length < 3)
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continue;
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if (line[0] == '-')
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{
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string moveString = ParseLineMove(line);
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int move = StringUtil.FindIndexIgnoreCase(Strings.movelist, moveString);
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if (move < 0)
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InvalidLines.Add($"Unknown Move: {moveString}");
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else if (Array.IndexOf(Moves, (ushort)move) != -1)
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InvalidLines.Add($"Duplicate Move: {moveString}");
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else
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Moves[movectr++] = (ushort)move;
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if (movectr == MaxMoveCount)
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return; // End of moves, end of set data
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continue;
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}
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if (movectr != 0)
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break;
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bool valid;
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var split = line.IndexOf(LineSplit, StringComparison.Ordinal);
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if (split == -1)
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{
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valid = ParseSingle(line); // Nature
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}
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else
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{
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var left = line[..split].Trim();
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var right = line[(split + LineSplit.Length)..].Trim();
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valid = ParseEntry(left, right);
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}
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if (!valid)
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InvalidLines.Add(line);
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}
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}
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private bool ParseSingle(string identifier)
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{
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if (!identifier.EndsWith("Nature", StringComparison.OrdinalIgnoreCase))
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return false;
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var firstSpace = identifier.IndexOf(' ');
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if (firstSpace == -1)
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return false;
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var naturestr = identifier[..firstSpace];
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return (Nature = StringUtil.FindIndexIgnoreCase(Strings.natures, naturestr)) >= 0;
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}
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private bool ParseEntry(string identifier, string value) => identifier switch
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{
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"Ability" => (Ability = StringUtil.FindIndexIgnoreCase(Strings.abilitylist, value)) >= 0,
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"Nature" => (Nature = StringUtil.FindIndexIgnoreCase(Strings.natures , value)) >= 0,
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"Shiny" => Shiny = StringUtil.IsMatchIgnoreCase("Yes", value),
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"Gigantamax" => CanGigantamax = StringUtil.IsMatchIgnoreCase("Yes", value),
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"Friendship" => ParseFriendship(value),
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"EVs" => ParseLineEVs(value),
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"IVs" => ParseLineIVs(value),
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"Level" => ParseLevel(value),
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"Dynamax Level" => ParseDynamax(value),
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_ => false,
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};
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private bool ParseLevel(string value)
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{
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if (!int.TryParse(value.Trim(), out var val))
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return false;
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if ((uint)val is 0 or > 100)
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return false;
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Level = val;
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return true;
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}
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private bool ParseFriendship(string value)
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{
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if (!int.TryParse(value.Trim(), out var val))
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return false;
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if ((uint)val > byte.MaxValue)
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return false;
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Friendship = val;
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return true;
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}
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private bool ParseDynamax(string value)
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{
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Context = EntityContext.Gen8;
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var val = Util.ToInt32(value);
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if ((uint)val > 10)
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return false;
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return (DynamaxLevel = (byte)val) is (>= 0 and <= 10);
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}
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/// <summary>
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/// Gets the standard Text representation of the set details.
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/// </summary>
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public string Text => GetText();
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/// <summary>
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/// Gets the localized Text representation of the set details.
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/// </summary>
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/// <param name="lang">2 character language code</param>
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public string LocalizedText(string lang = DefaultLanguage) => LocalizedText(GameLanguage.GetLanguageIndex(lang));
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/// <summary>
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/// Gets the localized Text representation of the set details.
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/// </summary>
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/// <param name="lang">Language ID</param>
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private string LocalizedText(int lang)
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{
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var strings = GameInfo.GetStrings(lang);
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return GetText(strings);
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}
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private string GetText(GameStrings? strings = null)
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{
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if (Species is 0 or > MAX_SPECIES)
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return string.Empty;
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if (strings != null)
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Strings = strings;
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var result = GetSetLines();
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return string.Join(Environment.NewLine, result);
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}
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public List<string> GetSetLines()
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{
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var result = new List<string>();
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// First Line: Name, Nickname, Gender, Item
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var form = ShowdownParsing.GetShowdownFormName(Species, FormName);
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result.Add(GetStringFirstLine(form));
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// IVs
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var ivs = GetStringStats(IVs, Context.Generation() < 3 ? 15 : 31);
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if (ivs.Length != 0)
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result.Add($"IVs: {string.Join(" / ", ivs)}");
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// EVs
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var evs = GetStringStats(EVs, 0);
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if (evs.Length != 0)
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result.Add($"EVs: {string.Join(" / ", evs)}");
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// Secondary Stats
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if ((uint)Ability < Strings.Ability.Count)
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result.Add($"Ability: {Strings.Ability[Ability]}");
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if (Level != 100)
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result.Add($"Level: {Level}");
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if (Shiny)
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result.Add("Shiny: Yes");
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if (DynamaxLevel != 10 && Context == EntityContext.Gen8)
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result.Add($"Dynamax Level: {DynamaxLevel}");
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if (CanGigantamax)
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result.Add("Gigantamax: Yes");
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if ((uint)Nature < Strings.Natures.Count)
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result.Add($"{Strings.Natures[Nature]} Nature");
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// Moves
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result.AddRange(GetStringMoves());
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return result;
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}
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private string GetStringFirstLine(string form)
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{
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string specForm = Strings.Species[Species];
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if (form.Length != 0)
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specForm += $"-{form.Replace("Mega ", "Mega-")}";
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else if (Species == (int)NidoranM)
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specForm = specForm.Replace("♂", "-M");
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else if (Species == (int)NidoranF)
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specForm = specForm.Replace("♀", "-F");
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string result = GetSpeciesNickname(specForm);
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// omit genderless or nonspecific
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if (Gender is 1)
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result += " (F)";
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else if (Gender is 0)
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result += " (M)";
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if (HeldItem > 0)
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{
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var items = Strings.GetItemStrings(Context);
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if ((uint)HeldItem < items.Length)
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result += $" @ {items[HeldItem]}";
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}
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return result;
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}
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private string GetSpeciesNickname(string specForm)
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{
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if (Nickname.Length == 0)
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return specForm;
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bool isNicknamed = SpeciesName.IsNicknamedAnyLanguage(Species, Nickname, Context.Generation());
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if (!isNicknamed)
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return specForm;
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return $"{Nickname} ({specForm})";
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}
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private static string[] GetStringStats(ReadOnlySpan<int> stats, int ignoreValue)
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{
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var count = stats.Length - stats.Count(ignoreValue);
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if (count == 0)
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return Array.Empty<string>();
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var result = new string[count];
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int ctr = 0;
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for (int i = 0; i < stats.Length; i++)
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{
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var statIndex = GetStatIndexStored(i);
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var statValue = stats[statIndex];
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if (statValue == ignoreValue)
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continue; // ignore unused stats
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var statName = StatNames[statIndex];
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result[ctr++] = $"{statValue} {statName}";
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}
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return result;
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}
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private IEnumerable<string> GetStringMoves()
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{
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var moves = Strings.Move;
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foreach (var move in Moves)
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{
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if (move == 0 || move >= moves.Count)
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continue;
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if (move != (int)Move.HiddenPower)
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{
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yield return $"- {moves[move]}";
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continue;
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}
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var type = 1 + HiddenPowerType; // skip Normal
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var typeName = Strings.Types[type];
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yield return $"- {moves[move]} [{typeName}]";
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}
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}
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private static int GetStatIndexStored(int displayIndex) => displayIndex switch
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{
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3 => 4,
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4 => 5,
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5 => 3,
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_ => displayIndex,
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};
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/// <summary>
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/// Converts the <see cref="PKM"/> data into an importable set format for Pokémon Showdown.
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/// </summary>
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/// <param name="pk">PKM to convert to string</param>
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/// <returns>New ShowdownSet object representing the input <see cref="pk"/></returns>
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public ShowdownSet(PKM pk)
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{
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if (pk.Species == 0)
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return;
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Context = pk.Context;
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Nickname = pk.Nickname;
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Species = pk.Species;
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HeldItem = pk.HeldItem;
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Ability = pk.Ability;
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pk.GetEVs(EVs);
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pk.GetIVs(IVs);
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pk.GetMoves(Moves);
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Nature = pk.StatNature;
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Gender = (uint)pk.Gender < 2 ? pk.Gender : 2;
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Friendship = pk.CurrentFriendship;
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Level = pk.CurrentLevel;
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Shiny = pk.IsShiny;
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if (pk is IGigantamax g)
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CanGigantamax = g.CanGigantamax;
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if (pk is IDynamaxLevel d)
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DynamaxLevel = d.DynamaxLevel;
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if (Array.IndexOf(Moves, (ushort)Move.HiddenPower) != -1)
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HiddenPowerType = HiddenPower.GetType(IVs, Context);
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if (pk is IHyperTrain h)
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{
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for (int i = 0; i < 6; i++)
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{
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if (h.IsHyperTrained(i))
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IVs[i] = pk.MaxIV;
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}
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}
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FormName = ShowdownParsing.GetStringFromForm(Form = pk.Form, Strings, Species, Context);
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}
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private void ParseFirstLine(string first)
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{
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int itemSplit = first.IndexOf(ItemSplit, StringComparison.Ordinal);
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if (itemSplit != -1)
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{
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var itemName = first[(itemSplit + ItemSplit.Length)..];
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var speciesName = first[..itemSplit];
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ParseItemName(itemName);
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ParseFirstLineNoItem(speciesName);
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}
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else
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{
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ParseFirstLineNoItem(first);
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}
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}
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private void ParseItemName(string itemName)
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{
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if (TrySetItem(Context))
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return;
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if (TrySetItem(EntityContext.Gen3))
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return;
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if (TrySetItem(EntityContext.Gen2))
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return;
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InvalidLines.Add($"Unknown Item: {itemName}");
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bool TrySetItem(EntityContext context)
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{
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var items = Strings.GetItemStrings(context);
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int item = StringUtil.FindIndexIgnoreCase(items, itemName);
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if (item < 0)
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return false;
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HeldItem = item;
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Context = context;
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return true;
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}
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}
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private void ParseFirstLineNoItem(string line)
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{
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// Gender Detection
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if (line.EndsWith("(M)", StringComparison.Ordinal))
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{
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line = line[..^3];
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Gender = 0;
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}
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else if (line.EndsWith("(F)", StringComparison.Ordinal))
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{
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line = line[..^3];
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Gender = 1;
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}
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// Nickname Detection
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if (line.IndexOf('(') != -1 && line.IndexOf(')') != -1)
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ParseSpeciesNickname(line);
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else
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ParseSpeciesForm(line);
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}
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private const string Gmax = "-Gmax";
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private bool ParseSpeciesForm(string speciesLine)
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{
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speciesLine = speciesLine.Trim();
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if (speciesLine.Length == 0)
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return false;
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if (speciesLine.EndsWith(Gmax, StringComparison.Ordinal))
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{
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CanGigantamax = true;
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speciesLine = speciesLine[..^Gmax.Length];
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}
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var speciesIndex = StringUtil.FindIndexIgnoreCase(Strings.specieslist, speciesLine);
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if (speciesIndex > 0)
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{
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// success, nothing else !
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Species = (ushort)speciesIndex;
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return true;
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}
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// Form string present.
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int end = speciesLine.LastIndexOf('-');
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if (end < 0)
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return false;
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speciesIndex = StringUtil.FindIndexIgnoreCase(Strings.specieslist, speciesLine[..end]);
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if (speciesIndex > 0)
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{
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Species = (ushort)speciesIndex;
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FormName = speciesLine[(end + 1)..];
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return true;
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}
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// failure to parse, check edge cases
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foreach (var e in DashedSpecies)
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{
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var sn = Strings.Species[e];
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if (!speciesLine.StartsWith(sn.Replace("♂", "-M").Replace("♀", "-F"), StringComparison.Ordinal))
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continue;
|
||
Species = e;
|
||
FormName = speciesLine[sn.Length..];
|
||
return true;
|
||
}
|
||
|
||
// Version Megas
|
||
end = speciesLine.LastIndexOf('-', Math.Max(0, end - 1));
|
||
if (end < 0)
|
||
return false;
|
||
|
||
speciesIndex = StringUtil.FindIndexIgnoreCase(Strings.specieslist, speciesLine[..end]);
|
||
if (speciesIndex > 0)
|
||
{
|
||
Species = (ushort)speciesIndex;
|
||
FormName = speciesLine[(end + 1)..];
|
||
return true;
|
||
}
|
||
return false;
|
||
}
|
||
|
||
private void ParseSpeciesNickname(string line)
|
||
{
|
||
int index = line.LastIndexOf('(');
|
||
string species, nickname;
|
||
if (index > 1) // parenthesis value after: Nickname (Species), correct.
|
||
{
|
||
nickname = line[..index].Trim();
|
||
species = line[index..].Trim();
|
||
species = RemoveAll(species, ParenJunk); // Trim out excess data
|
||
}
|
||
else // parenthesis value before: (Species) Nickname, incorrect
|
||
{
|
||
int start = index + 1;
|
||
int end = line.IndexOf(')');
|
||
var tmp = line[start..end];
|
||
if (end < line.Length - 2)
|
||
{
|
||
nickname = line[(end + 2)..];
|
||
species = tmp;
|
||
}
|
||
else // (Species), or garbage
|
||
{
|
||
species = tmp;
|
||
nickname = string.Empty;
|
||
}
|
||
}
|
||
|
||
if (ParseSpeciesForm(species))
|
||
Nickname = nickname;
|
||
else if (ParseSpeciesForm(nickname))
|
||
Nickname = species;
|
||
}
|
||
|
||
private string ParseLineMove(string line)
|
||
{
|
||
var startSearch = line[1] == ' ' ? 2 : 1;
|
||
var option = line.IndexOf('/');
|
||
line = option != -1 ? line[startSearch..option] : line[startSearch..];
|
||
|
||
string moveString = line.Trim();
|
||
|
||
var hiddenPowerName = Strings.Move[(int)Move.HiddenPower];
|
||
if (!moveString.StartsWith(hiddenPowerName, StringComparison.OrdinalIgnoreCase))
|
||
return moveString; // regular move
|
||
|
||
if (moveString.Length == hiddenPowerName.Length)
|
||
return hiddenPowerName;
|
||
|
||
// Defined Hidden Power
|
||
string type = moveString[13..];
|
||
type = RemoveAll(type, ParenJunk); // Trim out excess data
|
||
int hpVal = StringUtil.FindIndexIgnoreCase(Strings.types, type) - 1; // Get HP Type
|
||
|
||
HiddenPowerType = hpVal;
|
||
if (!Array.TrueForAll(IVs, z => z == 31))
|
||
{
|
||
if (!HiddenPower.SetIVsForType(hpVal, IVs, Context))
|
||
InvalidLines.Add($"Invalid IVs for Hidden Power Type: {type}");
|
||
}
|
||
else if (hpVal >= 0)
|
||
{
|
||
HiddenPower.SetIVs(hpVal, IVs, Context); // Alter IVs
|
||
}
|
||
else
|
||
{
|
||
InvalidLines.Add($"Invalid Hidden Power Type: {type}");
|
||
}
|
||
return hiddenPowerName;
|
||
}
|
||
|
||
private bool ParseLineEVs(string line)
|
||
{
|
||
var list = line.Split(StatSplitters, StringSplitOptions.None);
|
||
if ((list.Length & 1) == 1)
|
||
InvalidLines.Add("Unknown EV input.");
|
||
for (int i = 0; i < list.Length / 2; i++)
|
||
{
|
||
int pos = i * 2;
|
||
var statName = list[pos + 1];
|
||
int index = StringUtil.FindIndexIgnoreCase(StatNames, statName);
|
||
if (index < 0 || !ushort.TryParse(list[pos + 0], out var value))
|
||
{
|
||
InvalidLines.Add($"Unknown EV stat: {list[pos]}");
|
||
continue;
|
||
}
|
||
EVs[index] = value;
|
||
}
|
||
return true;
|
||
}
|
||
|
||
private bool ParseLineIVs(string line)
|
||
{
|
||
var list = line.Split(StatSplitters, StringSplitOptions.None);
|
||
if ((list.Length & 1) == 1)
|
||
InvalidLines.Add("Unknown IV input.");
|
||
for (int i = 0; i < list.Length / 2; i++)
|
||
{
|
||
int pos = i * 2;
|
||
var statName = list[pos + 1];
|
||
int index = StringUtil.FindIndexIgnoreCase(StatNames, statName);
|
||
if (index < 0 || !byte.TryParse(list[pos + 0], out var value))
|
||
{
|
||
InvalidLines.Add($"Unknown IV stat: {list[pos]}");
|
||
continue;
|
||
}
|
||
IVs[index] = value;
|
||
}
|
||
return true;
|
||
}
|
||
|
||
private static string RemoveAll(string original, ReadOnlySpan<char> remove)
|
||
{
|
||
Span<char> result = stackalloc char[original.Length];
|
||
int ctr = 0;
|
||
foreach (var c in original)
|
||
{
|
||
if (remove.IndexOf(c) == -1)
|
||
result[ctr++] = c;
|
||
}
|
||
if (ctr == original.Length)
|
||
return original;
|
||
return new string(result[..ctr].ToArray());
|
||
}
|
||
}
|