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PKHeX/PKHeX.Core/PKM/PKMConverter.cs
Evan Dixon 52c4fbbe97 Converted PKHeX.Core to .Net Standard 
Refactored and rearranged things as needed to allow the change
2017-05-11 23:34:18 -05:00

341 lines
14 KiB
C#
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using System;
using System.Linq;
using System.Reflection;
namespace PKHeX.Core
{
public static class PKMConverter
{
public static int Country = 49;
public static int Region = 7;
public static int ConsoleRegion = 1;
public static string OT_Name = "PKHeX";
public static int OT_Gender; // Male
public static int Language = 1; // en
public static void updateConfig(int SUBREGION, int COUNTRY, int _3DSREGION, string TRAINERNAME, int TRAINERGENDER, int LANGUAGE)
{
Region = SUBREGION;
Country = COUNTRY;
ConsoleRegion = _3DSREGION;
OT_Name = TRAINERNAME;
OT_Gender = TRAINERGENDER;
Language = LANGUAGE;
}
/// <summary>
/// Gets the generation of the Pokemon data.
/// </summary>
/// <param name="data">Raw data representing a Pokemon.</param>
/// <returns>An integer indicating the generation of the PKM file, or -1 if the data is invalid.</returns>
public static int getPKMDataFormat(byte[] data)
{
if (!PKX.getIsPKM(data.Length))
return -1;
switch (data.Length)
{
case PKX.SIZE_1JLIST:
case PKX.SIZE_1ULIST:
return 1;
case PKX.SIZE_2ULIST:
case PKX.SIZE_2JLIST:
return 2;
case PKX.SIZE_3PARTY:
case PKX.SIZE_3STORED:
case PKX.SIZE_3CSTORED:
case PKX.SIZE_3XSTORED:
return 3;
case PKX.SIZE_4PARTY:
case PKX.SIZE_4STORED:
case PKX.SIZE_5PARTY:
if ((BitConverter.ToUInt16(data, 0x4) == 0) && (BitConverter.ToUInt16(data, 0x80) >= 0x3333 || data[0x5F] >= 0x10) && BitConverter.ToUInt16(data, 0x46) == 0) // PK5
return 5;
return 4;
case PKX.SIZE_6STORED:
return 6;
case PKX.SIZE_6PARTY: // collision with PGT, same size.
if (BitConverter.ToUInt16(data, 0x4) != 0) // Bad Sanity?
return -1;
if (BitConverter.ToUInt32(data, 0x06) == PKX.getCHK(data))
return 6;
if (BitConverter.ToUInt16(data, 0x58) != 0) // Encrypted?
{
for (int i = data.Length - 0x10; i < data.Length; i++) // 0x10 of 00's at the end != PK6
if (data[i] != 0)
return 6;
return -1;
}
return 6;
}
return -1;
}
/// <summary>
/// Creates an instance of <see cref="PKM"/> from the given data.
/// </summary>
/// <param name="data">Raw data of the Pokemon file.</param>
/// <param name="ident">Optional identifier for the Pokemon. Usually the full path of the source file.</param>
/// <param name="prefer">Optional identifier for the preferred generation. Usually the generation of the destination save file.</param>
/// <returns>An instance of <see cref="PKM"/> created from the given <paramref name="data"/>, or null if <paramref name="data"/> is invalid.</returns>
public static PKM getPKMfromBytes(byte[] data, string ident = null, int prefer = 7)
{
checkEncrypted(ref data);
switch (getPKMDataFormat(data))
{
case 1:
var PL1 = new PokemonList1(data, PokemonList1.CapacityType.Single, data.Length == PKX.SIZE_1JLIST);
if (ident != null)
PL1[0].Identifier = ident;
return PL1[0];
case 2:
var PL2 = new PokemonList2(data, PokemonList2.CapacityType.Single, data.Length == PKX.SIZE_2JLIST);
if (ident != null)
PL2[0].Identifier = ident;
return PL2[0];
case 3:
switch (data.Length) {
case PKX.SIZE_3CSTORED: return new CK3(data, ident);
case PKX.SIZE_3XSTORED: return new XK3(data, ident);
default: return new PK3(data, ident);
}
case 4:
var pk = new PK4(data, ident);
if (!pk.Valid || pk.Sanity != 0)
{
var bk = new BK4(data, ident);
if (bk.Valid)
return bk;
}
return pk;
case 5:
return new PK5(data, ident);
case 6:
var pkx = new PK6(data, ident);
return checkPKMFormat7(pkx, prefer);
default:
return null;
}
}
/// <summary>
/// Checks if the input PK6 file is really a PK7, if so, updates the object.
/// </summary>
/// <param name="pk">PKM to check</param>
/// <param name="prefer">Prefer a certain generation over another</param>
/// <returns>Updated PKM if actually PK7</returns>
private static PKM checkPKMFormat7(PK6 pk, int prefer) => checkPK6is7(pk, prefer) ? new PK7(pk.Data, pk.Identifier) : (PKM)pk;
/// <summary>
/// Checks if the input PK6 file is really a PK7.
/// </summary>
/// <param name="pk">PK6 to check</param>
/// <param name="prefer">Prefer a certain generation over another</param>
/// <returns>Boolean is a PK7</returns>
private static bool checkPK6is7(PK6 pk, int prefer)
{
if (pk.Version > Legal.MaxGameID_6)
return true;
if (pk.Enjoyment != 0 || pk.Fullness != 0)
return false;
// Check Ranges
if (pk.Species > Legal.MaxSpeciesID_6)
return true;
if (pk.Moves.Any(move => move > Legal.MaxMoveID_6_AO))
return true;
if (pk.RelearnMoves.Any(move => move > Legal.MaxMoveID_6_AO))
return true;
if (pk.Ability > Legal.MaxAbilityID_6_AO)
return true;
if (pk.HeldItem > Legal.MaxItemID_6_AO)
return true;
int et = pk.EncounterType;
if (et != 0)
{
if (pk.CurrentLevel < 100) // can't be hyper trained
return false;
if (pk.GenNumber != 4) // can't have encounter type
return true;
if (et > 24) // invalid encountertype
return true;
}
int mb = BitConverter.ToUInt16(pk.Data, 0x16);
if (mb > 0xAAA)
return false;
for (int i = 0; i < 6; i++)
if ((mb >> (i << 1) & 3) == 3) // markings are 10 or 01 (or 00), never 11
return false;
return prefer > 6;
}
public static PKM convertToFormat(PKM pk, Type PKMType, out string comment)
{
if (pk == null || pk.Species == 0)
{
comment = "Null input. Aborting.";
return null;
}
Type fromType = pk.GetType();
int fromFormat = int.Parse(fromType.Name.Last().ToString());
int toFormat = int.Parse(PKMType.Name.Last().ToString());
Console.WriteLine($"Trying to convert {fromType.Name} to {PKMType.Name}.");
PKM pkm = null;
if (fromType == PKMType)
{
comment = "No need to convert, current format matches requested format.";
return pk;
}
if (fromFormat <= toFormat || fromFormat == 2)
{
pkm = pk.Clone();
if (pkm.IsEgg) // force hatch
{
pkm.IsEgg = false;
if (pkm.AO)
pkm.Met_Location = 318; // Battle Resort
else if (pkm.XY)
pkm.Met_Location = 38; // Route 7
else if (pkm.Gen5)
pkm.Met_Location = 16; // Route 16
else
pkm.Met_Location = 30001; // Pokétransfer
}
switch (fromType.Name)
{
case nameof(PK1):
if (toFormat == 2)
{
pkm = PKMType == typeof (PK2) ? ((PK1) pk).convertToPK2() : null;
break;
}
if (toFormat == 7)
pkm = ((PK1) pk).convertToPK7();
break;
case nameof(PK2):
if (PKMType == typeof (PK1))
{
if (pk.Species > 151)
{
comment = $"Cannot convert a {PKX.getSpeciesName(pkm.Species, ((PK2)pkm).Japanese ? 1 : 2)} to {PKMType.Name}";
return null;
}
pkm = ((PK2) pk).convertToPK1();
}
else
pkm = null;
break;
case nameof(CK3):
case nameof(XK3):
// interconverting C/XD needs to visit main series format
// ends up stripping purification/shadow etc stats
pkm = pkm.convertToPK3();
goto case nameof(PK3); // fall through
case nameof(PK3):
if (toFormat == 3) // Gen3 Inter-trading
{
switch (PKMType.Name)
{
case nameof(CK3): pkm = pkm.convertToCK3(); break;
case nameof(XK3): pkm = pkm.convertToXK3(); break;
case nameof(PK3): pkm = pkm.convertToPK3(); break; // already converted, instantly returns
default: throw new FormatException();
}
break;
}
if (fromType.Name != nameof(PK3))
pkm = pkm.convertToPK3();
pkm = ((PK3)pkm).convertToPK4();
if (toFormat == 4)
break;
goto case nameof(PK4);
case nameof(BK4):
pkm = ((BK4)pkm).convertToPK4();
if (toFormat == 4)
break;
goto case nameof(PK4);
case nameof(PK4):
if (PKMType == typeof(BK4))
{
pkm = ((PK4)pkm).convertToBK4();
break;
}
pkm = ((PK4)pkm).convertToPK5();
if (toFormat == 5)
break;
goto case nameof(PK5);
case nameof(PK5):
pkm = ((PK5)pkm).convertToPK6();
if (toFormat == 6)
break;
goto case nameof(PK6);
case nameof(PK6):
pkm = ((PK6)pkm).convertToPK7();
if (toFormat == 7)
break;
goto case nameof(PK7);
case nameof(PK7):
break;
}
}
comment = pkm == null
? $"Cannot convert a {fromType.Name} to a {PKMType.Name}."
: $"Converted from {fromType.Name} to {PKMType.Name}.";
return pkm;
}
public static void checkEncrypted(ref byte[] pkm)
{
int format = getPKMDataFormat(pkm);
switch (format)
{
case 1:
case 2: // no encryption
return;
case 3:
if (pkm.Length == PKX.SIZE_3CSTORED || pkm.Length == PKX.SIZE_3XSTORED)
return; // no encryption for C/XD
ushort chk = 0;
for (int i = 0x20; i < PKX.SIZE_3STORED; i += 2)
chk += BitConverter.ToUInt16(pkm, i);
if (chk != BitConverter.ToUInt16(pkm, 0x1C))
pkm = PKX.decryptArray3(pkm);
return;
case 4:
case 5:
if (BitConverter.ToUInt16(pkm, 4) != 0) // BK4
return;
if (BitConverter.ToUInt32(pkm, 0x64) != 0)
pkm = PKX.decryptArray45(pkm);
return;
case 6:
case 7:
if (BitConverter.ToUInt16(pkm, 0xC8) != 0 && BitConverter.ToUInt16(pkm, 0x58) != 0)
pkm = PKX.decryptArray(pkm);
return;
default:
return; // bad!
}
}
/// <summary>
/// Gets a Blank <see cref="PKM"/> object of the specified type.
/// </summary>
/// <param name="t">Type of <see cref="PKM"/> instance desired.</param>
/// <returns>New instance of a blank <see cref="PKM"/> object.</returns>
public static PKM getBlank(Type t) => (PKM)Activator.CreateInstance(t, Enumerable.Repeat(null as PKM, t.GetTypeInfo().DeclaredConstructors.First().GetParameters().Length).ToArray());
public static void transferProperties(PKM source, PKM dest)
{
source.TransferPropertiesWithReflection(source, dest);
}
}
}
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