PKHeX/PKHeX.Core/Legality/Evolutions/EvolutionMethod.cs
Kurt f74c1e321a no mo go to yo
pull goto default into 'when' so other cases continue to default

this is a goto free codebase ( ͡° ͜ʖ ͡°)
2018-08-27 20:48:57 -07:00

123 lines
No EOL
4.4 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
namespace PKHeX.Core
{
/// <summary>
/// Criteria for evolving to this branch in the <see cref="EvolutionTree"/>
/// </summary>
public sealed class EvolutionMethod
{
public int Method;
public int Species;
public int Argument;
public int Form = -1;
public int Level;
public bool RequiresLevelUp;
internal static readonly HashSet<int> TradeMethods = new HashSet<int> {5, 6, 7};
private static readonly IReadOnlyCollection<GameVersion> NoBanlist = Array.Empty<GameVersion>();
internal static readonly IReadOnlyCollection<GameVersion> BanSM = new[] {GameVersion.SN, GameVersion.MN};
internal IReadOnlyCollection<GameVersion> Banlist = NoBanlist;
public bool Valid(PKM pkm, int lvl, bool skipChecks)
{
RequiresLevelUp = false;
if (Form > -1)
{
if (!skipChecks && pkm.AltForm != Form)
return false;
}
if (!skipChecks && Banlist.Contains((GameVersion)pkm.Version) && pkm.IsUntraded) // sm lacks usum kantonian evos
return false;
switch (Method)
{
case 8: // Use Item
case 42:
return true;
case 17: // Male
return pkm.Gender == 0;
case 18: // Female
return pkm.Gender == 1;
case 5: // Trade Evolution
case 6: // Trade while Holding
case 7: // Trade for Opposite Species
return !pkm.IsUntraded || skipChecks;
// Special Levelup Cases
case 16 when !(pkm is IContestStats s) || s.CNT_Beauty < Argument:
return skipChecks;
case 23 when pkm.Gender != 0: // Gender = Male
return false;
case 24 when pkm.Gender != 1: // Gender = Female
return false;
case 34 when pkm.Gender != 1 || pkm.AltForm != 1: // Gender = Female, out Form1
return false;
case 36 when ((pkm.Version & 1) != (Argument & 1) && pkm.IsUntraded) || skipChecks: // Any Time on Version
case 37 when ((pkm.Version & 1) != (Argument & 1) && pkm.IsUntraded) || skipChecks: // Daytime on Version
case 38 when ((pkm.Version & 1) != (Argument & 1) && pkm.IsUntraded) || skipChecks: // Nighttime on Version
return skipChecks; // Version checks come in pairs, check for any pair match
default:
if (Level == 0 && lvl < 2)
return false;
if (lvl < Level)
return false;
RequiresLevelUp = true;
if (skipChecks)
return lvl >= Level;
// Check Met Level for extra validity
switch (pkm.GenNumber)
{
case 1: // No metdata in RBY
case 2: // No metdata in GS, Crystal metdata can be reset
return true;
case 3:
case 4:
if (pkm.Format > pkm.GenNumber) // Pal Park / PokeTransfer updates Met Level
return true;
return pkm.Met_Level < lvl;
case 5: // Bank keeps current level
case 6:
case 7:
return lvl >= Level && (!pkm.IsNative || pkm.Met_Level < lvl);
}
return false;
}
}
public EvoCriteria GetEvoCriteria(int species, int lvl)
{
return new EvoCriteria
{
Species = species,
Level = lvl,
Form = Form,
Method = Method,
};
}
public EvolutionMethod Copy(int species = -1)
{
if (species < 0)
species = Species;
return new EvolutionMethod
{
Method = Method,
Species = species,
Argument = Argument,
Form = Form,
Level = Level
};
}
}
}