mirror of
https://github.com/kwsch/PKHeX
synced 2024-12-24 19:33:10 +00:00
537 lines
17 KiB
C#
537 lines
17 KiB
C#
using System;
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using static System.Buffers.Binary.BinaryPrimitives;
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namespace PKHeX.Core;
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/// <summary>
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/// Pokédex structure used by <see cref="SAV4"/> games.
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/// </summary>
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public sealed class Zukan4 : ZukanBase
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{
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private readonly byte[] Data;
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private readonly int Offset;
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// General structure: u32 magic, 4*bitflags, u32 spinda, form flags, language flags, more form flags, upgrade flags
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/* 4 BitRegions with 0x40*8 bits
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* Region 0: Caught (Captured/Owned) flags
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* Region 1: Seen flags
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* Region 2: First Seen Gender
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* Region 3: Second Seen Gender
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* When setting a newly seen species (first time), we set the gender bit to both First and Second regions.
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* When setting an already-seen species, we set the Second region bit if the now-seen gender-bit is not equal to the first-seen bit.
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* 4 possible states: 00, 01, 10, 11
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* 00 - 1Seen: Male Only
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* 01 - 2Seen: Male First, Female Second
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* 10 - 2Seen: Female First, Male Second
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* 11 - 1Seen: Female Only
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* assuming the species is seen, (bit1 ^ bit2) + 1 = genders in dex
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*/
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public const string GENDERLESS = "Genderless";
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public const string MALE = "Male";
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public const string FEMALE = "Female";
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private const int SIZE_REGION = 0x40;
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private const int COUNT_REGION = 4;
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private const int OFS_SPINDA = sizeof(uint) + (COUNT_REGION * SIZE_REGION);
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private const int OFS_FORM1 = OFS_SPINDA + sizeof(uint);
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private bool HGSS => SAV is SAV4HGSS;
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private bool DP => SAV is SAV4DP;
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public Zukan4(SAV4 sav, int offset) : base(sav, offset)
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{
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Data = sav.General;
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Offset = offset;
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}
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public uint Magic { get => ReadUInt32LittleEndian(Data.AsSpan(Offset)); set => WriteUInt32LittleEndian(Data.AsSpan(Offset), value); }
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public override bool GetCaught(ushort species) => GetRegionFlag(0, species - 1);
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public override bool GetSeen(ushort species) => GetRegionFlag(1, species - 1);
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public int GetSeenGenderFirst(ushort species) => GetRegionFlag(2, species - 1) ? 1 : 0;
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public int GetSeenGenderSecond(ushort species) => GetRegionFlag(3, species - 1) ? 1 : 0;
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public bool GetSeenSingleGender(ushort species) => GetSeenGenderFirst(species) == GetSeenGenderSecond(species);
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private bool GetRegionFlag(int region, int index)
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{
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var ofs = Offset + 4 + (region * SIZE_REGION) + (index >> 3);
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return FlagUtil.GetFlag(Data, ofs, index);
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}
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public void SetCaught(ushort species, bool value = true) => SetRegionFlag(0, species - 1, value);
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public void SetSeen(ushort species, bool value = true) => SetRegionFlag(1, species - 1, value);
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public void SetSeenGenderFirst(ushort species, int value = 0) => SetRegionFlag(2, species - 1, value == 1);
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public void SetSeenGenderSecond(ushort species, int value = 0) => SetRegionFlag(3, species - 1, value == 1);
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private void SetRegionFlag(int region, int index, bool value)
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{
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var ofs = Offset + 4 + (region * SIZE_REGION) + (index >> 3);
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FlagUtil.SetFlag(Data, ofs, index, value);
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}
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public uint SpindaPID { get => ReadUInt32LittleEndian(Data.AsSpan(Offset + OFS_SPINDA)); set => WriteUInt32LittleEndian(Data.AsSpan(Offset), value); }
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public static string[] GetFormNames4Dex(ushort species)
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{
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string[] formNames = FormConverter.GetFormList(species, GameInfo.Strings.types, GameInfo.Strings.forms, Array.Empty<string>(), EntityContext.Gen4);
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if (species == (int)Species.Pichu)
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formNames = new[] { MALE, FEMALE, formNames[1] }; // Spiky
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return formNames;
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}
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public const byte FORM_NONE = byte.MaxValue;
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public byte[] GetForms(ushort species)
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{
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const int brSize = 0x40;
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if (species == (int)Species.Deoxys)
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{
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uint val = (uint)(Data[Offset + 0x4 + (1 * brSize) - 1] | (Data[Offset + 0x4 + (2 * brSize) - 1] << 8));
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return GetDexFormValues(val, 4, 4);
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}
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int FormOffset1 = Offset + 4 + (4 * brSize) + 4;
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switch (species)
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{
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case (int)Species.Shellos: // Shellos
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return GetDexFormValues(Data[FormOffset1 + 0], 1, 2);
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case (int)Species.Gastrodon: // Gastrodon
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return GetDexFormValues(Data[FormOffset1 + 1], 1, 2);
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case (int)Species.Burmy: // Burmy
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return GetDexFormValues(Data[FormOffset1 + 2], 2, 3);
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case (int)Species.Wormadam: // Wormadam
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return GetDexFormValues(Data[FormOffset1 + 3], 2, 3);
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case (int)Species.Unown: // Unown
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return Data.AsSpan(FormOffset1 + 4, 0x1C).ToArray();
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}
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if (DP)
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return Array.Empty<byte>();
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int PokeDexLanguageFlags = FormOffset1 + (HGSS ? 0x3C : 0x20);
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int FormOffset2 = PokeDexLanguageFlags + 0x1F4;
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return species switch
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{
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(int)Species.Rotom => GetDexFormValues(ReadUInt32LittleEndian(Data.AsSpan(FormOffset2)), 3, 6),
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(int)Species.Shaymin => GetDexFormValues(Data[FormOffset2 + 4], 1, 2),
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(int)Species.Giratina => GetDexFormValues(Data[FormOffset2 + 5], 1, 2),
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(int)Species.Pichu when HGSS => GetDexFormValues(Data[FormOffset2 + 6], 2, 3),
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_ => Array.Empty<byte>(),
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};
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}
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public void SetForms(ushort species, ReadOnlySpan<byte> forms)
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{
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const int brSize = 0x40;
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switch (species)
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{
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case (int)Species.Deoxys: // Deoxys
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uint newval = SetDexFormValues(forms, 4, 4);
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Data[Offset + 0x4 + (1 * brSize) - 1] = (byte)(newval & 0xFF);
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Data[Offset + 0x4 + (2 * brSize) - 1] = (byte)((newval >> 8) & 0xFF);
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break;
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}
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int FormOffset1 = Offset + OFS_FORM1;
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switch (species)
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{
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case (int)Species.Shellos: // Shellos
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Data[FormOffset1 + 0] = (byte)SetDexFormValues(forms, 1, 2);
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return;
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case (int)Species.Gastrodon: // Gastrodon
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Data[FormOffset1 + 1] = (byte)SetDexFormValues(forms, 1, 2);
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return;
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case (int)Species.Burmy: // Burmy
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Data[FormOffset1 + 2] = (byte)SetDexFormValues(forms, 2, 3);
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return;
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case (int)Species.Wormadam: // Wormadam
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Data[FormOffset1 + 3] = (byte)SetDexFormValues(forms, 2, 3);
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return;
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case (int)Species.Unown: // Unown
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var unown = Data.AsSpan(FormOffset1 + 4, 0x1C);
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forms.CopyTo(unown);
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if (forms.Length != unown.Length)
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unown[forms.Length..].Fill(FORM_NONE);
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return;
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}
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if (DP)
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return;
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int PokeDexLanguageFlags = FormOffset1 + (HGSS ? 0x3C : 0x20);
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int FormOffset2 = PokeDexLanguageFlags + 0x1F4;
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switch (species)
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{
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case (int)Species.Rotom: // Rotom
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var value = SetDexFormValues(forms, 3, 6);
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WriteUInt32LittleEndian(Data.AsSpan(FormOffset2), value);
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return;
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case (int)Species.Shaymin: // Shaymin
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Data[FormOffset2 + 4] = (byte)SetDexFormValues(forms, 1, 2);
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return;
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case (int)Species.Giratina: // Giratina
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Data[FormOffset2 + 5] = (byte)SetDexFormValues(forms, 1, 2);
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return;
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case (int)Species.Pichu when HGSS: // Pichu
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Data[FormOffset2 + 6] = (byte)SetDexFormValues(forms, 2, 3);
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return;
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}
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}
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private static byte[] GetDexFormValues(uint Value, int BitsPerForm, int readCt)
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{
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byte[] Forms = new byte[readCt];
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int n1 = 0xFF >> (8 - BitsPerForm);
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for (int i = 0; i < Forms.Length; i++)
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{
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int val = (int)(Value >> (i * BitsPerForm)) & n1;
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if (n1 == val && BitsPerForm > 1)
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Forms[i] = byte.MaxValue;
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else
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Forms[i] = (byte)val;
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}
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// (BitsPerForm > 1) was already handled, handle (BitsPerForm == 1)
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if (BitsPerForm == 1 && Forms[0] == Forms[1] && Forms[0] == 1)
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Forms[0] = Forms[1] = byte.MaxValue;
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return Forms;
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}
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private static uint SetDexFormValues(ReadOnlySpan<byte> Forms, int BitsPerForm, int readCt)
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{
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int n1 = 0xFF >> (8 - BitsPerForm);
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uint Value = 0xFFFFFFFF << (readCt * BitsPerForm);
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for (int i = 0; i < Forms.Length; i++)
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{
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int val = Forms[i];
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if (val == -1)
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val = n1;
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Value |= (uint)(val << (BitsPerForm * i));
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if (i >= readCt)
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throw new ArgumentOutOfRangeException(nameof(readCt), "Array count should be less than bitfield count");
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}
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return Value;
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}
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private static bool TryInsertForm(Span<byte> forms, byte form)
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{
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if (forms.IndexOf(form) >= 0)
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return false; // already in list
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// insert at first empty
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var index = forms.IndexOf(FORM_NONE);
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if (index < 0)
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return false; // no free slots?
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forms[index] = form;
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return true;
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}
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private const byte UnownEmpty = byte.MaxValue;
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public int GetUnownFormIndex(byte form)
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{
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var ofs = Offset + OFS_FORM1 + 4;
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for (byte i = 0; i < 0x1C; i++)
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{
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byte val = Data[ofs + i];
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if (val == form)
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return i;
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if (val == FORM_NONE) // end of populated indexes
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return UnownEmpty;
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}
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return UnownEmpty;
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}
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public int GetUnownFormIndexNext(byte form)
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{
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var ofs = Offset + OFS_FORM1 + 4;
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for (int i = 0; i < 0x1C; i++)
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{
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byte val = Data[ofs + i];
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if (val == form)
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return i;
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if (val == FORM_NONE)
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return i;
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}
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return UnownEmpty;
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}
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public void ClearUnownForms()
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{
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var ofs = Offset + OFS_FORM1 + 4;
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for (int i = 0; i < 0x1C; i++)
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Data[ofs + i] = FORM_NONE;
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}
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public bool GetUnownForm(byte form) => GetUnownFormIndex(form) != UnownEmpty;
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public void AddUnownForm(byte form)
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{
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var index = GetUnownFormIndexNext(form);
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if (index == UnownEmpty)
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return;
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var ofs = Offset + OFS_FORM1 + 4;
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Data[ofs + index] = form;
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}
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public override void SetDex(PKM pk)
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{
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var species = pk.Species;
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if (species is 0 or > Legal.MaxSpeciesID_4)
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return;
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if (pk.IsEgg) // do not add
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return;
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var gender = pk.Gender;
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var form = pk.Form;
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var language = pk.Language;
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SetDex(species, gender, form, language);
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}
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private void SetDex(ushort species, int gender, byte form, int language)
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{
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SetCaught(species);
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SetSeenGender(species, gender);
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SetSeen(species);
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SetForms(species, form, gender);
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SetLanguage(species, language);
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}
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public void SetSeenGender(ushort species, int gender)
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{
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if (!GetSeen(species))
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SetSeenGenderNewFlag(species, gender);
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else if (GetSeenSingleGender(species))
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SetSeenGenderSecond(species, gender);
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}
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public void SetSeenGenderNewFlag(ushort species, int gender)
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{
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SetSeenGenderFirst(species, gender);
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SetSeenGenderSecond(species, gender);
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}
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public void SetSeenGenderNeither(ushort species)
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{
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SetSeenGenderFirst(species, 0);
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SetSeenGenderSecond(species, 0);
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}
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private void SetForms(ushort species, byte form, int gender)
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{
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if (species == (int)Species.Unown) // Unown
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{
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AddUnownForm(form);
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return;
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}
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var forms = GetForms(species);
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if (forms.Length == 0)
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return;
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if (species == (int)Species.Pichu && HGSS) // Pichu (HGSS Only)
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{
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var formID = form == 1 ? (byte)2 : (byte)gender;
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if (TryInsertForm(forms, formID))
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SetForms(species, forms);
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}
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else
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{
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if (TryInsertForm(forms, form))
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SetForms(species, forms);
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}
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}
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public void SetLanguage(ushort species, int language, bool value = true)
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{
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int lang = GetGen4LanguageBitIndex(language);
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SetLanguageBitIndex(species, lang, value);
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}
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public bool GetLanguageBitIndex(ushort species, int lang)
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{
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int dpl = 1 + Array.IndexOf(DPLangSpecies, species);
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if (DP && dpl < 0)
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return false;
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int FormOffset1 = Offset + OFS_FORM1;
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int PokeDexLanguageFlags = FormOffset1 + (HGSS ? 0x3C : 0x20);
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var ofs = PokeDexLanguageFlags + (DP ? dpl : species);
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return FlagUtil.GetFlag(Data, ofs, lang & 7);
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}
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public void SetLanguageBitIndex(ushort species, int lang, bool value)
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{
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int dpl = 1 + Array.IndexOf(DPLangSpecies, species);
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if (DP && dpl <= 0)
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return;
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int FormOffset1 = Offset + OFS_FORM1;
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int PokeDexLanguageFlags = FormOffset1 + (HGSS ? 0x3C : 0x20);
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var ofs = PokeDexLanguageFlags + (DP ? dpl : species);
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FlagUtil.SetFlag(Data, ofs, lang & 7, value);
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}
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public bool HasLanguage(ushort species) => GetSpeciesLanguageByteIndex(species) >= 0;
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private int GetSpeciesLanguageByteIndex(ushort species)
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{
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if (DP)
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return Array.IndexOf(DPLangSpecies, species);
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return species;
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}
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private static readonly int[] DPLangSpecies = { 23, 25, 54, 77, 120, 129, 202, 214, 215, 216, 228, 278, 287, 315 };
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public static int GetGen4LanguageBitIndex(int lang) => --lang switch
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{
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3 => 4, // invert ITA/GER
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4 => 3, // invert ITA/GER
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> 5 => 0, // Japanese
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< 0 => 1, // English
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_ => lang,
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};
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[Flags]
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public enum SetDexArgs
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{
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None,
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SeenAll = 1 << 0,
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CaughtNone = 1 << 1,
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CaughtAll = 1 << 2,
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SetNoLanguages = 1 << 3,
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SetAllLanguages = 1 << 4,
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SetSingleLanguage = 1 << 5,
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SetAllForms = 1 << 6,
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Complete = SeenAll | CaughtAll | SetAllLanguages | SetAllForms,
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}
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public void ModifyAll(ushort species, SetDexArgs args, int lang = 0)
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{
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if (args == SetDexArgs.None)
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{
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ClearSeen(species);
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return;
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}
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if ((args & SetDexArgs.SeenAll) != 0)
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CompleteSeen(species);
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if ((args & SetDexArgs.CaughtNone) != 0)
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{
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SetCaught(species, false);
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ClearLanguages(species);
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}
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else if ((args & SetDexArgs.CaughtAll) != 0)
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{
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SetCaught(species);
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}
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if ((args & SetDexArgs.SetNoLanguages) != 0)
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{
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ClearLanguages(species);
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}
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if ((args & SetDexArgs.SetAllLanguages) != 0)
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{
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SetLanguages(species);
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}
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else if ((args & SetDexArgs.SetSingleLanguage) != 0)
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{
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SetLanguage(species, lang);
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}
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if ((args & SetDexArgs.SetAllForms) != 0)
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{
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CompleteForms(species);
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}
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}
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private void CompleteForms(ushort species)
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{
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var forms = GetFormNames4Dex(species);
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if (forms.Length <= 1)
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return;
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Span<byte> values = stackalloc byte[forms.Length];
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for (byte i = 1; i < values.Length; i++)
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values[i] = i;
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SetForms(species, values);
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}
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private void CompleteSeen(ushort species)
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{
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SetSeen(species);
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var pi = PersonalTable.HGSS[species];
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if (pi.IsDualGender)
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{
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SetSeenGenderFirst(species, 0);
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SetSeenGenderSecond(species, 1);
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}
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else
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{
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SetSeenGender(species, pi.FixedGender() & 1);
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}
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}
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public void ClearSeen(ushort species)
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{
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SetCaught(species, false);
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SetSeen(species, false);
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SetSeenGenderNeither(species);
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SetForms(species, ReadOnlySpan<byte>.Empty);
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ClearLanguages(species);
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}
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private const int LangCount = 6;
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private void ClearLanguages(ushort species)
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{
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for (int i = 0; i < 8; i++)
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SetLanguageBitIndex(species, i, false);
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}
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private void SetLanguages(ushort species, bool value = true)
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{
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for (int i = 0; i < LangCount; i++)
|
|
SetLanguageBitIndex(species, i, value);
|
|
}
|
|
|
|
// Bulk Manipulation
|
|
public override void CompleteDex(bool shinyToo = false) => IterateAll(z => ModifyAll(z, SetDexArgs.Complete));
|
|
public override void SeenNone() => IterateAll(ClearSeen);
|
|
public override void CaughtNone() => IterateAll(z => SetCaught(z, false));
|
|
public override void SeenAll(bool shinyToo = false) => IterateAll(CompleteSeen);
|
|
|
|
public override void SetDexEntryAll(ushort species, bool shinyToo = false) => ModifyAll(species, SetDexArgs.Complete);
|
|
public override void ClearDexEntryAll(ushort species) => ModifyAll(species, SetDexArgs.None);
|
|
|
|
private static void IterateAll(Action<ushort> a)
|
|
{
|
|
for (ushort i = 1; i <= Legal.MaxSpeciesID_4; i++)
|
|
a(i);
|
|
}
|
|
|
|
public override void SetAllSeen(bool value = true, bool shinyToo = false)
|
|
{
|
|
if (!value)
|
|
{
|
|
SeenNone();
|
|
return;
|
|
}
|
|
IterateAll(CompleteSeen);
|
|
}
|
|
|
|
public override void CaughtAll(bool shinyToo = false)
|
|
{
|
|
SeenAll();
|
|
IterateAll(z => SetCaught(z));
|
|
}
|
|
}
|