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getEvolutionChain adapted to get evolution chains from previous generations

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Excluded future gen evolutions, both evolutions of species that does not exits in the generation expected in the chain, but also evolutions impossible because it requires a level above transfer level
This commit is contained in:
javierhimura 2017-02-15 22:12:06 +01:00
parent c9af06e2a3
commit b1ecdde41d
1 changed files with 28 additions and 3 deletions
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31
PKHeX/Legality/Core.cs
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@ -742,9 +742,13 @@ namespace PKHeX.Core
} }
} }
internal static DexLevel[] getEvolutionChain(PKM pkm, object Encounter) internal static DexLevel[] getEvolutionChain(PKM pkm, object Encounter)
{
return getEvolutionChain(pkm, Encounter,pkm.Species, 100);
}
public static DexLevel[] getEvolutionChain(PKM pkm, object Encounter,int maxspec, int maxlevel)
{ {
int minspec; int minspec;
var vs = getValidPreEvolutions(pkm).ToArray(); DexLevel[] vs = getValidPreEvolutions(pkm).ToArray();
// Evolution chain is in reverse order (devolution) // Evolution chain is in reverse order (devolution)
@ -757,8 +761,29 @@ namespace PKHeX.Core
else else
minspec = vs.Last().Species; minspec = vs.Last().Species;
int index = Math.Max(0, Array.FindIndex(vs, p => p.Species == minspec)); int minindex = Math.Max(0, Array.FindIndex(vs, p => p.Species == minspec));
Array.Resize(ref vs, index + 1); Array.Resize(ref vs, minindex + 1);
if(vs.Last().MinLevel > 1) //Last entry from vs is removed, turn next entry into the wild/hatched pokemon
{
vs.Last().MinLevel = 1;
vs.Last().RequiresLvlUp = false;
if (vs.First().MinLevel == 2 && !vs.First().RequiresLvlUp)
{
//Example Raichu in gen 2 or later,
//because Pichu requires level up minimun level of Raichu would be 2
//but after removing Pichu because the origin species is Pikachu, Raichu min level should be 1
vs.First().MinLevel = 1;
vs.First().RequiresLvlUp = false;
}
}
//Maxspec is used to remove future gen evolutions, to gather evolution chain of a pokemon in previous generations
int skip = Math.Max(0, Array.FindIndex(vs, p => p.Species == maxspec));
//Maxlevel is also used for previous generations, it removes evolutions imposible before the transfer level
//For example a fire red charizard whose current level in XY is 50 but met level is 20, it couldnt be a Charizard in gen 3 and 4 games
vs = vs.Skip(skip).Where(e=>e.MinLevel <= maxlevel).ToArray();
//Reduce the evolution chain levels to max level, because met level is the las one when the pokemon could be and learn moves in that generation
foreach (DexLevel d in vs)
d.Level = Math.Min(d.Level, maxlevel);
return vs; return vs;
} }
internal static string getEncounterTypeName(PKM pkm, object Encounter) internal static string getEncounterTypeName(PKM pkm, object Encounter)