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PKHeX/PKHeX.Core/Saves/SAV4.cs
Kurt 64428539bd Fix sav4 active block detect 
Closes #2697 ty @Ammako !

lazy slice check has flaws; just compare the major/minor counters in the save footer and check the uninitialized cases

nobody is gonna save the game 2^32 times, but check for the overflow case too!
first ff'd is preferred when the second is ff'd-1!
2020-05-23 22:17:03 -07:00

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using System;
using System.Collections.Generic;
using System.Linq;
namespace PKHeX.Core
{
/// <summary>
/// Generation 4 abstract <see cref="SaveFile"/> object.
/// </summary>
/// <remarks>
/// Storage data is stored in one contiguous block, and the remaining data is stored in another block.
/// </remarks>
public abstract class SAV4 : SaveFile
{
protected override string BAKText => $"{OT} ({Version}) - {PlayTimeString}";
public override string Filter => (Footer.Length > 0 ? "DeSmuME DSV|*.dsv|" : string.Empty) + "SAV File|*.sav|All Files|*.*";
public override string Extension => ".sav";
// Blocks & Offsets
private readonly int GeneralBlockPosition; // Small Block
private readonly int StorageBlockPosition; // Big Block
private const int PartitionSize = 0x40000;
// SaveData is chunked into two pieces.
protected readonly byte[] Storage;
public readonly byte[] General;
protected override byte[] BoxBuffer => Storage;
protected override byte[] PartyBuffer => General;
protected abstract int StorageSize { get; }
protected abstract int GeneralSize { get; }
protected abstract int StorageStart { get; }
/// <inheritdoc />
public override bool GetFlag(int offset, int bitIndex) => FlagUtil.GetFlag(General, offset, bitIndex);
/// <inheritdoc />
public override void SetFlag(int offset, int bitIndex, bool value) => FlagUtil.SetFlag(General, offset, bitIndex, value);
protected SAV4()
{
Storage = new byte[StorageSize];
General = new byte[GeneralSize];
ClearBoxes();
}
protected SAV4(byte[] data) : base(data)
{
var gSize = GeneralSize;
var sSize = StorageSize;
var sStart = StorageStart;
GeneralBlockPosition = GetActiveBlock(Data, 0, gSize);
StorageBlockPosition = GetActiveBlock(Data, sStart, sSize);
var gbo = (GeneralBlockPosition == 0 ? 0 : PartitionSize);
var sbo = (StorageBlockPosition == 0 ? 0 : PartitionSize) + sStart;
General = GetData(gbo, gSize);
Storage = GetData(sbo, sSize);
}
// Configuration
public override SaveFile Clone()
{
var sav = CloneInternal();
SetData(sav.General, General, 0);
SetData(sav.Storage, Storage, 0);
sav.Footer = (byte[])Footer.Clone();
return sav;
}
protected abstract SAV4 CloneInternal();
public override void CopyChangesFrom(SaveFile sav)
{
SetData(sav.Data, 0);
var s4 = (SAV4)sav;
SetData(General, s4.General, 0);
SetData(Storage, s4.Storage, 0);
}
public override int SIZE_STORED => PokeCrypto.SIZE_4STORED;
protected override int SIZE_PARTY => PokeCrypto.SIZE_4PARTY;
public override PKM BlankPKM => new PK4();
public override Type PKMType => typeof(PK4);
public override int BoxCount => 18;
public override int MaxEV => 255;
public override int Generation => 4;
protected override int EventFlagMax => 0xB60; // 2912
protected override int EventConstMax => (EventFlag - EventConst) >> 1;
protected override int GiftCountMax => 11;
public override int OTLength => 7;
public override int NickLength => 10;
public override int MaxMoney => 999999;
public override int MaxCoins => 50_000;
public override int MaxMoveID => Legal.MaxMoveID_4;
public override int MaxSpeciesID => Legal.MaxSpeciesID_4;
public override int MaxItemID => Version == GameVersion.HGSS ? Legal.MaxItemID_4_HGSS : Version == GameVersion.Pt ? Legal.MaxItemID_4_Pt : Legal.MaxItemID_4_DP;
public override int MaxAbilityID => Legal.MaxAbilityID_4;
public override int MaxBallID => Legal.MaxBallID_4;
public override int MaxGameID => Legal.MaxGameID_4; // Colo/XD
public bool HGSS => Version == GameVersion.HGSS;
public bool DP => Version == GameVersion.DP;
// Checksums
protected abstract int FooterSize { get; }
private ushort CalcBlockChecksum(byte[] data) => Checksums.CRC16_CCITT(data, 0, data.Length - FooterSize);
private static ushort GetBlockChecksumSaved(byte[] data) => BitConverter.ToUInt16(data, data.Length - 2);
private bool GetBlockChecksumValid(byte[] data) => CalcBlockChecksum(data) == GetBlockChecksumSaved(data);
protected override void SetChecksums()
{
BitConverter.GetBytes(CalcBlockChecksum(General)).CopyTo(General, General.Length - 2);
BitConverter.GetBytes(CalcBlockChecksum(Storage)).CopyTo(Storage, Storage.Length - 2);
// Write blocks back
General.CopyTo(Data, GeneralBlockPosition * PartitionSize);
Storage.CopyTo(Data, (StorageBlockPosition * PartitionSize) + StorageStart);
}
public override bool ChecksumsValid
{
get
{
if (!GetBlockChecksumValid(General))
return false;
if (!GetBlockChecksumValid(Storage))
return false;
return true;
}
}
public override string ChecksumInfo
{
get
{
var list = new List<string>();
if (!GetBlockChecksumValid(General))
list.Add("Small block checksum is invalid");
if (!GetBlockChecksumValid(Storage))
list.Add("Large block checksum is invalid");
return list.Count != 0 ? string.Join(Environment.NewLine, list) : "Checksums are valid.";
}
}
private static int GetActiveBlock(byte[] data, int begin, int length)
{
int offset = begin + length - 0x14;
return SAV4BlockDetection.CompareFooters(data, offset, offset + PartitionSize);
}
protected int WondercardFlags = int.MinValue;
protected int AdventureInfo = int.MinValue;
protected int Seal = int.MinValue;
protected int Trainer1;
public int GTS { get; protected set; } = int.MinValue;
// Storage
public override int PartyCount
{
get => General[Party - 4];
protected set => General[Party - 4] = (byte)value;
}
public override int GetPartyOffset(int slot) => Party + (SIZE_PARTY * slot);
// Trainer Info
public override string OT
{
get => GetString(General, Trainer1, 16);
set => SetString(value, OTLength).CopyTo(General, Trainer1);
}
public override int TID
{
get => BitConverter.ToUInt16(General, Trainer1 + 0x10);
set => BitConverter.GetBytes((ushort)value).CopyTo(General, Trainer1 + 0x10);
}
public override int SID
{
get => BitConverter.ToUInt16(General, Trainer1 + 0x12);
set => BitConverter.GetBytes((ushort)value).CopyTo(General, Trainer1 + 0x12);
}
public override uint Money
{
get => BitConverter.ToUInt32(General, Trainer1 + 0x14);
set => BitConverter.GetBytes(value).CopyTo(General, Trainer1 + 0x14);
}
public override int Gender
{
get => General[Trainer1 + 0x18];
set => General[Trainer1 + 0x18] = (byte)value;
}
public override int Language
{
get => General[Trainer1 + 0x19];
set => General[Trainer1 + 0x19] = (byte)value;
}
public int Badges
{
get => General[Trainer1 + 0x1A];
set { if (value < 0) return; General[Trainer1 + 0x1A] = (byte)value; }
}
public int Sprite
{
get => General[Trainer1 + 0x1B];
set { if (value < 0) return; General[Trainer1 + 0x1B] = (byte)value; }
}
public uint Coin
{
get => BitConverter.ToUInt16(General, Trainer1 + 0x20);
set => BitConverter.GetBytes((ushort)value).CopyTo(General, Trainer1 + 0x20);
}
public override int PlayedHours
{
get => BitConverter.ToUInt16(General, Trainer1 + 0x22);
set => BitConverter.GetBytes((ushort)value).CopyTo(General, Trainer1 + 0x22);
}
public override int PlayedMinutes
{
get => General[Trainer1 + 0x24];
set => General[Trainer1 + 0x24] = (byte)value;
}
public override int PlayedSeconds
{
get => General[Trainer1 + 0x25];
set => General[Trainer1 + 0x25] = (byte)value;
}
public int M
{
get
{
int ofs = 0;
switch (Version)
{
case GameVersion.DP: ofs = 0x1238; break;
case GameVersion.Pt: ofs = 0x1280; break;
case GameVersion.HGSS: ofs = 0x1234; break;
}
return BitConverter.ToUInt16(General, ofs);
}
set
{
int ofs = 0;
switch (Version)
{
case GameVersion.DP: ofs = 0x1238; break;
case GameVersion.Pt: ofs = 0x1280; break;
case GameVersion.HGSS: ofs = 0x1234; break;
}
BitConverter.GetBytes((ushort)value).CopyTo(General, ofs);
}
}
public int X
{
get
{
int ofs = 0;
switch (Version)
{
case GameVersion.DP: ofs = 0x1240; break;
case GameVersion.Pt: ofs = 0x1288; break;
case GameVersion.HGSS: ofs = 0x123C; break;
}
return BitConverter.ToUInt16(General, ofs);
}
set
{
int ofs = 0;
switch (Version)
{
case GameVersion.DP: ofs = 0x1240; break;
case GameVersion.Pt: ofs = 0x1288; break;
case GameVersion.HGSS: ofs = 0x123C; break;
}
BitConverter.GetBytes((ushort)(X2 = value)).CopyTo(General, ofs);
}
}
public int Y
{
get
{
int ofs = 0;
switch (Version)
{
case GameVersion.DP: ofs = 0x1244; break;
case GameVersion.Pt: ofs = 0x128C; break;
case GameVersion.HGSS: ofs = 0x1240; break;
}
return BitConverter.ToUInt16(General, ofs);
}
set
{
int ofs = 0;
switch (Version)
{
case GameVersion.DP: ofs = 0x1244; break;
case GameVersion.Pt: ofs = 0x128C; break;
case GameVersion.HGSS: ofs = 0x1240; break;
}
BitConverter.GetBytes((ushort)(Y2 = value)).CopyTo(General, ofs);
}
}
public int X2
{
get
{
int ofs = 0;
switch (Version)
{
case GameVersion.DP: ofs = 0x25FA; break;
case GameVersion.Pt: ofs = 0x287E; break;
case GameVersion.HGSS: ofs = 0x236E; break;
}
return BitConverter.ToUInt16(General, ofs);
}
set
{
int ofs = 0;
switch (Version)
{
case GameVersion.DP: ofs = 0x25FA; break;
case GameVersion.Pt: ofs = 0x287E; break;
case GameVersion.HGSS: ofs = 0x236E; break;
}
BitConverter.GetBytes((ushort)value).CopyTo(General, ofs);
}
}
public int Y2
{
get
{
int ofs = 0;
switch (Version)
{
case GameVersion.DP: ofs = 0x25FE; break;
case GameVersion.Pt: ofs = 0x2882; break;
case GameVersion.HGSS: ofs = 0x2372; break;
}
return BitConverter.ToUInt16(General, ofs);
}
set
{
int ofs = 0;
switch (Version)
{
case GameVersion.DP: ofs = 0x25FE; break;
case GameVersion.Pt: ofs = 0x2882; break;
case GameVersion.HGSS: ofs = 0x2372; break;
}
BitConverter.GetBytes((ushort)value).CopyTo(General, ofs);
}
}
public int Z
{
get
{
int ofs = 0;
switch (Version)
{
case GameVersion.DP: ofs = 0x2602; break;
case GameVersion.Pt: ofs = 0x2886; break;
case GameVersion.HGSS: ofs = 0x2376; break;
}
return BitConverter.ToUInt16(General, ofs);
}
set
{
int ofs = 0;
switch (Version)
{
case GameVersion.DP: ofs = 0x2602; break;
case GameVersion.Pt: ofs = 0x2886; break;
case GameVersion.HGSS: ofs = 0x2376; break;
}
BitConverter.GetBytes((ushort)value).CopyTo(General, ofs);
}
}
public override uint SecondsToStart { get => BitConverter.ToUInt32(General, AdventureInfo + 0x34); set => BitConverter.GetBytes(value).CopyTo(General, AdventureInfo + 0x34); }
public override uint SecondsToFame { get => BitConverter.ToUInt32(General, AdventureInfo + 0x3C); set => BitConverter.GetBytes(value).CopyTo(General, AdventureInfo + 0x3C); }
protected override PKM GetPKM(byte[] data) => new PK4(data);
protected override byte[] DecryptPKM(byte[] data) => PokeCrypto.DecryptArray45(data);
protected override void SetPKM(PKM pkm)
{
var pk4 = (PK4)pkm;
// Apply to this Save File
DateTime Date = DateTime.Now;
if (pk4.Trade(OT, TID, SID, Gender, Date.Day, Date.Month, Date.Year))
pkm.RefreshChecksum();
}
// Daycare
public override int GetDaycareSlotOffset(int loc, int slot) => DaycareOffset + (slot * SIZE_PARTY);
public override uint? GetDaycareEXP(int loc, int slot)
{
int ofs = DaycareOffset + ((slot+1)*SIZE_PARTY) - 4;
return BitConverter.ToUInt32(General, ofs);
}
public override bool? IsDaycareOccupied(int loc, int slot) => null; // todo
public override void SetDaycareEXP(int loc, int slot, uint EXP)
{
int ofs = DaycareOffset + ((slot+1)*SIZE_PARTY) - 4;
BitConverter.GetBytes(EXP).CopyTo(General, ofs);
}
public override void SetDaycareOccupied(int loc, int slot, bool occupied)
{
// todo
}
// Mystery Gift
private bool MysteryGiftActive { get => (General[72] & 1) == 1; set => General[72] = (byte)((General[72] & 0xFE) | (value ? 1 : 0)); }
private static bool IsMysteryGiftAvailable(DataMysteryGift[] value)
{
for (int i = 0; i < 8; i++) // 8 PGT
{
if (value[i] is PGT g && g.CardType != 0)
return true;
}
for (int i = 8; i < 11; i++) // 3 PCD
{
if (value[i] is PCD d && d.Gift.CardType != 0)
return true;
}
return false;
}
private int[] MatchMysteryGifts(DataMysteryGift[] value)
{
int[] cardMatch = new int[8];
for (int i = 0; i < 8; i++)
{
if (!(value[i] is PGT pgt))
continue;
if (pgt.CardType == 0) // empty
{
cardMatch[i] = pgt.Slot = 0;
continue;
}
cardMatch[i] = pgt.Slot = 3;
for (byte j = 0; j < 3; j++)
{
if (!(value[8 + j] is PCD pcd))
continue;
// Check if data matches (except Slot @ 0x02)
if (!pcd.GiftEquals(pgt))
continue;
if (this is SAV4HGSS)
j++; // hgss 0,1,2; dppt 1,2,3
cardMatch[i] = pgt.Slot = j;
break;
}
}
return cardMatch;
}
public override MysteryGiftAlbum GiftAlbum
{
get
{
var album = new MysteryGiftAlbum(MysteryGiftCards, MysteryGiftReceivedFlags);
album.Flags[2047] = false;
return album;
}
set
{
bool available = IsMysteryGiftAvailable(value.Gifts);
if (available && !MysteryGiftActive)
MysteryGiftActive = true;
value.Flags[2047] = available;
// Check encryption for each gift (decrypted wc4 sneaking in)
foreach (var g in value.Gifts)
{
if (g is PGT pgt)
{
pgt.VerifyPKEncryption();
}
else if (g is PCD pcd)
{
var dg = pcd.Gift;
if (dg.VerifyPKEncryption())
pcd.Gift = dg; // set encrypted gift back to PCD.
}
}
MysteryGiftReceivedFlags = value.Flags;
MysteryGiftCards = value.Gifts;
}
}
protected override bool[] MysteryGiftReceivedFlags
{
get
{
bool[] result = new bool[GiftFlagMax];
for (int i = 0; i < result.Length; i++)
result[i] = (General[WondercardFlags + (i >> 3)] >> (i & 7) & 0x1) == 1;
return result;
}
set
{
if (GiftFlagMax != value.Length)
return;
byte[] data = new byte[value.Length / 8];
for (int i = 0; i < value.Length; i++)
{
if (value[i])
data[i >> 3] |= (byte)(1 << (i & 7));
}
SetData(General, data, WondercardFlags);
}
}
protected override DataMysteryGift[] MysteryGiftCards
{
get
{
DataMysteryGift[] cards = new DataMysteryGift[8 + 3];
for (int i = 0; i < 8; i++) // 8 PGT
cards[i] = new PGT(General.Slice(WondercardData + (i * PGT.Size), PGT.Size));
for (int i = 8; i < 11; i++) // 3 PCD
cards[i] = new PCD(General.Slice(WondercardData + (8 * PGT.Size) + ((i-8) * PCD.Size), PCD.Size));
return cards;
}
set
{
var Matches = MatchMysteryGifts(value); // automatically applied
if (Matches.Length == 0)
return;
for (int i = 0; i < 8; i++) // 8 PGT
{
if (value[i] is PGT)
SetData(General, value[i].Data, WondercardData + (i *PGT.Size));
}
for (int i = 8; i < 11; i++) // 3 PCD
{
if (value[i] is PCD)
SetData(General, value[i].Data, WondercardData + (8 *PGT.Size) + ((i - 8)*PCD.Size));
}
}
}
protected override void SetDex(PKM pkm)
{
if (pkm.Species == 0)
return;
if (pkm.Species > MaxSpeciesID)
return;
const int brSize = 0x40;
int bit = pkm.Species - 1;
byte mask = (byte)(1 << (bit & 7));
int ofs = PokeDex + (bit >> 3) + 0x4;
/* 4 BitRegions with 0x40*8 bits
* Region 0: Caught (Captured/Owned) flags
* Region 1: Seen flags
* Region 2/3: Toggle for gender display
* 4 possible states: 00, 01, 10, 11
* 00 - 1Seen: Male Only
* 01 - 2Seen: Male First, Female Second
* 10 - 2Seen: Female First, Male Second
* 11 - 1Seen: Female Only
* (bit1 ^ bit2) + 1 = forms in dex
* bit2 = male/female shown first toggle
*/
// Set the Species Owned Flag
General[ofs + (brSize * 0)] |= mask;
// Check if already Seen
if ((General[ofs + (brSize * 1)] & mask) == 0) // Not seen
{
General[ofs + (brSize * 1)] |= mask; // Set seen
int gr = pkm.PersonalInfo.Gender;
switch (gr)
{
case 255: // Genderless
case 0: // Male Only
General[ofs + (brSize * 2)] &= (byte)~mask; // unset
General[ofs + (brSize * 3)] &= (byte)~mask; // unset
break;
case 254: // Female Only
General[ofs + (brSize * 2)] |= mask;
General[ofs + (brSize * 3)] |= mask;
break;
default: // Male or Female
bool m = (General[ofs + (brSize * 2)] & mask) != 0;
bool f = (General[ofs + (brSize * 3)] & mask) != 0;
if (m || f) // bit already set?
break;
int gender = pkm.Gender & 1;
General[ofs + (brSize * 2)] &= (byte)~mask; // unset
General[ofs + (brSize * 3)] &= (byte)~mask; // unset
gender ^= 1; // Set OTHER gender seen bit so it appears second
General[ofs + (brSize * (2 + gender))] |= mask;
break;
}
}
int FormOffset1 = PokeDex + 4 + (brSize * 4) + 4;
var forms = GetForms(pkm.Species);
if (forms.Length > 0)
{
if (pkm.Species == (int)Species.Unown) // Unown
{
for (int i = 0; i < 0x1C; i++)
{
byte val = General[FormOffset1 + 4 + i];
if (val == pkm.AltForm)
break; // already set
if (val != 0xFF)
continue; // keep searching
General[FormOffset1 + 4 + i] = (byte)pkm.AltForm;
break; // form now set
}
}
else if (pkm.Species == (int)Species.Pichu && HGSS) // Pichu (HGSS Only)
{
int form = pkm.AltForm == 1 ? 2 : pkm.Gender;
CheckInsertForm(ref forms, form);
SetForms(pkm.Species, forms);
}
else
{
CheckInsertForm(ref forms, pkm.AltForm);
SetForms(pkm.Species, forms);
}
}
int dpl = 1 + Array.IndexOf(DPLangSpecies, pkm.Species);
if (DP && dpl <= 0)
return;
// Set the Language
int PokeDexLanguageFlags = FormOffset1 + (HGSS ? 0x3C : 0x20);
int lang = GetGen4LanguageBitIndex(pkm.Language);
General[PokeDexLanguageFlags + (DP ? dpl : pkm.Species)] |= (byte)(1 << lang);
}
private static readonly int[] DPLangSpecies = { 23, 25, 54, 77, 120, 129, 202, 214, 215, 216, 228, 278, 287, 315 };
private static int GetGen4LanguageBitIndex(int lang)
{
lang--;
switch (lang) // invert ITA/GER
{
case 3: return 4;
case 4: return 3;
}
if (lang > 5)
return 0; // no KOR+
return lang < 0 ? 1 : lang; // default English
}
public override bool GetCaught(int species)
{
int bit = species - 1;
int bd = bit >> 3; // div8
int bm = bit & 7; // mod8
int ofs = PokeDex // Raw Offset
+ 0x4; // Magic
return (1 << bm & General[ofs + bd]) != 0;
}
public override bool GetSeen(int species)
{
const int brSize = 0x40;
int bit = species - 1;
int bd = bit >> 3; // div8
int bm = bit & 7; // mod8
int ofs = PokeDex // Raw Offset
+ 0x4; // Magic
return (1 << bm & General[ofs + bd + (brSize * 1)]) != 0;
}
public int[] GetForms(int species)
{
const int brSize = 0x40;
if (species == (int)Species.Deoxys)
{
uint val = (uint) (General[PokeDex + 0x4 + (1 * brSize) - 1] | General[PokeDex + 0x4 + (2 * brSize) - 1] << 8);
return GetDexFormValues(val, 4, 4);
}
int FormOffset1 = PokeDex + 4 + (4 * brSize) + 4;
switch (species)
{
case (int)Species.Shellos: // Shellos
return GetDexFormValues(General[FormOffset1 + 0], 1, 2);
case (int)Species.Gastrodon: // Gastrodon
return GetDexFormValues(General[FormOffset1 + 1], 1, 2);
case (int)Species.Burmy: // Burmy
return GetDexFormValues(General[FormOffset1 + 2], 2, 3);
case (int)Species.Wormadam: // Wormadam
return GetDexFormValues(General[FormOffset1 + 3], 2, 3);
case (int)Species.Unown: // Unown
return General.Slice(FormOffset1 + 4, 0x1C).Select(i => (int)i).ToArray();
}
if (DP)
return Array.Empty<int>();
int PokeDexLanguageFlags = FormOffset1 + (HGSS ? 0x3C : 0x20);
int FormOffset2 = PokeDexLanguageFlags + 0x1F4;
return species switch
{
(int)Species.Rotom => GetDexFormValues(BitConverter.ToUInt32(General, FormOffset2), 3, 6),
(int)Species.Shaymin => GetDexFormValues(General[FormOffset2 + 4], 1, 2),
(int)Species.Giratina => GetDexFormValues(General[FormOffset2 + 5], 1, 2),
(int)Species.Pichu when HGSS => GetDexFormValues(General[FormOffset2 + 6], 2, 3),
_ => Array.Empty<int>()
};
}
public void SetForms(int spec, int[] forms)
{
const int brSize = 0x40;
switch (spec)
{
case (int)Species.Deoxys: // Deoxys
uint newval = SetDexFormValues(forms, 4, 4);
General[PokeDex + 0x4 + (1 * brSize) - 1] = (byte) (newval & 0xFF);
General[PokeDex + 0x4 + (2 * brSize) - 1] = (byte) ((newval >> 8) & 0xFF);
break;
}
int FormOffset1 = PokeDex + 4 + (4 * brSize) + 4;
switch (spec)
{
case (int)Species.Shellos: // Shellos
General[FormOffset1 + 0] = (byte)SetDexFormValues(forms, 1, 2);
return;
case (int)Species.Gastrodon: // Gastrodon
General[FormOffset1 + 1] = (byte)SetDexFormValues(forms, 1, 2);
return;
case (int)Species.Burmy: // Burmy
General[FormOffset1 + 2] = (byte)SetDexFormValues(forms, 2, 3);
return;
case (int)Species.Wormadam: // Wormadam
General[FormOffset1 + 3] = (byte)SetDexFormValues(forms, 2, 3);
return;
case (int)Species.Unown: // Unown
int ofs = FormOffset1 + 4;
int len = forms.Length;
Array.Resize(ref forms, 0x1C);
for (int i = len; i < forms.Length; i++)
forms[i] = 0xFF;
Array.Copy(forms.Select(b => (byte)b).ToArray(), 0, General, ofs, forms.Length);
return;
}
if (DP)
return;
int PokeDexLanguageFlags = FormOffset1 + (HGSS ? 0x3C : 0x20);
int FormOffset2 = PokeDexLanguageFlags + 0x1F4;
switch (spec)
{
case (int)Species.Rotom: // Rotom
BitConverter.GetBytes(SetDexFormValues(forms, 3, 6)).CopyTo(General, FormOffset2);
return;
case (int)Species.Shaymin: // Shaymin
General[FormOffset2 + 4] = (byte)SetDexFormValues(forms, 1, 2);
return;
case (int)Species.Giratina: // Giratina
General[FormOffset2 + 5] = (byte)SetDexFormValues(forms, 1, 2);
return;
case (int)Species.Pichu when HGSS: // Pichu
General[FormOffset2 + 6] = (byte)SetDexFormValues(forms, 2, 3);
return;
}
}
private static int[] GetDexFormValues(uint Value, int BitsPerForm, int readCt)
{
int[] Forms = new int[readCt];
int n1 = 0xFF >> (8 - BitsPerForm);
for (int i = 0; i < Forms.Length; i++)
{
int val = (int)(Value >> (i * BitsPerForm)) & n1;
if (n1 == val && BitsPerForm > 1)
Forms[i] = -1;
else
Forms[i] = val;
}
// (BitsPerForm > 1) was already handled, handle (BitsPerForm == 1)
if (BitsPerForm == 1 && Forms[0] == Forms[1] && Forms[0] == 1)
Forms[0] = Forms[1] = -1;
return Forms;
}
private static uint SetDexFormValues(int[] Forms, int BitsPerForm, int readCt)
{
int n1 = 0xFF >> (8 - BitsPerForm);
uint Value = 0xFFFFFFFF << (readCt * BitsPerForm);
for (int i = 0; i < Forms.Length; i++)
{
int val = Forms[i];
if (val == -1)
val = n1;
Value |= (uint)(val << (BitsPerForm*i));
if (i >= readCt)
throw new ArgumentException("Array count should be less than bitfield count", nameof(Forms));
}
return Value;
}
private static bool CheckInsertForm(ref int[] Forms, int FormNum)
{
if (Forms.Any(num => num == FormNum))
{
return false; // already in list
}
if (Forms.All(num => num == -1))
{
Forms[0] = FormNum;
return true; // none in list, insert at top
}
// insert at first empty
int n1 = Array.IndexOf(Forms, -1);
if (n1 < 0)
return false;
Forms[n1] = FormNum;
return true;
}
public int DexUpgraded
{
get
{
switch (Version)
{
case GameVersion.DP:
if (General[0x1413] != 0) return 4;
else if (General[0x1415] != 0) return 3;
else if (General[0x1404] != 0) return 2;
else if (General[0x1414] != 0) return 1;
else return 0;
case GameVersion.HGSS:
if (General[0x15ED] != 0) return 3;
else if (General[0x15EF] != 0) return 2;
else if (General[0x15EE] != 0 && (General[0x10D1] & 8) != 0) return 1;
else return 0;
case GameVersion.Pt:
if (General[0x1641] != 0) return 4;
else if (General[0x1643] != 0) return 3;
else if (General[0x1640] != 0) return 2;
else if (General[0x1642] != 0) return 1;
else return 0;
default: return 0;
}
}
set
{
switch (Version)
{
case GameVersion.DP:
General[0x1413] = (byte)(value == 4 ? 1 : 0);
General[0x1415] = (byte)(value >= 3 ? 1 : 0);
General[0x1404] = (byte)(value >= 2 ? 1 : 0);
General[0x1414] = (byte)(value >= 1 ? 1 : 0);
break;
case GameVersion.HGSS:
General[0x15ED] = (byte)(value == 3 ? 1 : 0);
General[0x15EF] = (byte)(value >= 2 ? 1 : 0);
General[0x15EE] = (byte)(value >= 1 ? 1 : 0);
General[0x10D1] = (byte)((General[0x10D1] & ~8) | (value >= 1 ? 8 : 0));
break;
case GameVersion.Pt:
General[0x1641] = (byte)(value == 4 ? 1 : 0);
General[0x1643] = (byte)(value >= 3 ? 1 : 0);
General[0x1640] = (byte)(value >= 2 ? 1 : 0);
General[0x1642] = (byte)(value >= 1 ? 1 : 0);
break;
default: return;
}
}
}
public override string GetString(byte[] data, int offset, int length) => StringConverter4.GetString4(data, offset, length);
public override byte[] SetString(string value, int maxLength, int PadToSize = 0, ushort PadWith = 0)
{
if (PadToSize == 0)
PadToSize = maxLength + 1;
return StringConverter4.SetString4(value, maxLength, PadToSize, PadWith);
}
/// <summary> All Event Constant values for the savegame </summary>
public override ushort[] EventConsts
{
get
{
if (EventConstMax <= 0)
return Array.Empty<ushort>();
ushort[] Constants = new ushort[EventConstMax];
for (int i = 0; i < Constants.Length; i++)
Constants[i] = BitConverter.ToUInt16(General, EventConst + (i * 2));
return Constants;
}
set
{
if (EventConstMax <= 0)
return;
if (value.Length != EventConstMax)
return;
for (int i = 0; i < value.Length; i++)
BitConverter.GetBytes(value[i]).CopyTo(General, EventConst + (i * 2));
}
}
// Seals
private const byte SealMaxCount = 99;
public byte[] SealCase { get => General.Slice(Seal, (int) Seal4.MAX); set => SetData(General, value, Seal); }
public byte GetSealCount(Seal4 id) => General[Seal + (int)id];
public byte SetSealCount(Seal4 id, byte count) => General[Seal + (int)id] = Math.Min(SealMaxCount, count);
public void SetAllSeals(byte count, bool unreleased = false)
{
var sealIndexCount = (int)(unreleased ? Seal4.MAX : Seal4.MAXLEGAL);
var val = Math.Min(count, SealMaxCount);
for (int i = 0; i < sealIndexCount; i++)
General[Seal + i] = val;
}
public int GetMailOffset(int index)
{
int ofs = (index * Mail4.SIZE);
return Version switch
{
GameVersion.DP => (ofs + 0x4BEC),
GameVersion.Pt => (ofs + 0x4E80),
_ => (ofs + 0x3FA8)
};
}
public byte[] GetMailData(int ofs) => General.Slice(ofs, Mail4.SIZE);
}
}
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