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Did some method extractions and moved things to base class in preparation for Pokemon5.

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This commit is contained in:
Greg Edwards
2015-05-05 20:09:10 -04:00
parent 510dda30c4
commit 9ef94ad18c
2 changed files with 92 additions and 86 deletions
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73
library/Structures/Pokemon4.cs
View File

@@ -35,7 +35,6 @@ namespace PkmnFoundations.Structures
private void Initialize()
{
UnknownRibbons = new HashSet<int>();
}
protected override void Load(BinaryReader reader)
@@ -47,29 +46,11 @@ namespace PkmnFoundations.Structures
// read out the main payload, apply xor decryption
byte[][] blocks = new byte[4][];
int rand = (int)checksum;
for (int x = 0; x < 4; x++)
{
byte[] block = blocks[x] = reader.ReadBytes(32);
// todo: extract to method
for (int pos = 0; pos < 32; pos += 2)
{
rand = DecryptRNG(rand);
block[pos] ^= (byte)(rand >> 16);
block[pos + 1] ^= (byte)(rand >> 24);
}
}
blocks[x] = reader.ReadBytes(32);
// shuffle blocks to their correct order
List<int> blockSequence = Invert(BlockScramble((Personality & 0x0003e000) >> 0x0d));
AssertHelper.Equals(blockSequence.Count, 4);
{
byte[][] blocks2 = new byte[4][];
for (int x = 0; x < 4; x++)
blocks2[x] = blocks[blockSequence[x]];
blocks = blocks2;
}
DecryptBlocks(blocks, checksum);
ShuffleBlocks(blocks, Personality, true);
IsBadEgg = ComputeChecksum(blocks) != checksum;
@@ -201,23 +182,6 @@ namespace PkmnFoundations.Structures
get { return Generations.Generation4; }
}
private bool m_female;
private bool m_genderless;
public override Genders Gender
{
get
{
if (m_genderless) return Genders.None;
if (m_female) return Genders.Female;
return Genders.Male;
}
set
{
m_female = value == Genders.Female;
m_genderless = value == Genders.None;
}
}
public ShinyLeaves ShinyLeaves { get; set; }
public ushort Unknown1 { get; set; } // appears just after a flags region storing gender, forme, shiny leaves, etc.
@@ -253,7 +217,6 @@ namespace PkmnFoundations.Structures
}
}
// todo: Implement trainer memo structure
// Dates encoding seems to be 1 byte for year, starting in 2000,
// 1 byte for month (1-12), and 1 byte for day of month (1-31, depending)
// EggDate is all 0s if not hatched.
@@ -282,28 +245,10 @@ namespace PkmnFoundations.Structures
}
set
{
base.TrainerMemo = value;
throw new NotImplementedException();
}
}
private DateTime ? TrainerMemoDateTime(byte[] data)
{
// todo: merge with GtsRecordBase datetime helper.
if (data.Length != 3) throw new ArgumentException();
if (data[1] == 0 && data[2] == 0 && data[0] == 0) return null;
try
{
return new DateTime(2000 + data[0], data[1], data[2]);
}
catch (ArgumentOutOfRangeException)
{
return null;
}
}
// this is the notorious genIV encounter type flag, not used for much besides validation
public byte EncounterType { get; set; }
public byte Unknown4 { get; set; } // appears just after HGSS pokeball
// todo: obtain complete list of Pokeball IDs in HGSS
@@ -361,16 +306,6 @@ namespace PkmnFoundations.Structures
return pokeballId > 16;
}
/// <summary>
/// This allows preservation of unknown ribbon flags when saving.
/// </summary>
public HashSet<int> UnknownRibbons { get; private set; }
protected static int DecryptRNG(int prev)
{
return prev * 0x41c64e6d + 0x6073;
}
public override int Size
{
get { return 136; }

105
library/Structures/PokemonPartyBase.cs
View File

@@ -18,6 +18,7 @@ namespace PkmnFoundations.Structures
private void Initialize()
{
Ribbons = new HashSet<Ribbon>();
UnknownRibbons = new HashSet<int>();
}
private int m_experience;
@@ -56,6 +57,23 @@ namespace PkmnFoundations.Structures
}
}
protected bool m_female;
protected bool m_genderless;
public override Genders Gender
{
get
{
if (m_genderless) return Genders.None;
if (m_female) return Genders.Female;
return Genders.Male;
}
set
{
m_female = value == Genders.Female;
m_genderless = value == Genders.None;
}
}
public Markings Markings { get; set; }
public ConditionValues ContestStats { get; set; }
public bool IsEgg { get; set; }
@@ -73,9 +91,10 @@ namespace PkmnFoundations.Structures
public Versions Version { get; set; }
// todo: create database-driven TrainerMemo class
// Should expose route, region, encounter type, level, date
//public abstract TrainerMemo TrainerMemo { get; }
public virtual TrainerMemo TrainerMemo { get; set; }
// this is the notorious genIV encounter type flag, not used for much besides validation
public byte EncounterType { get; set; }
public abstract String TrainerName { get; set; }
public TrainerGenders TrainerGender { get; set; }
@@ -84,6 +103,11 @@ namespace PkmnFoundations.Structures
public HashSet<Ribbon> Ribbons { get; private set; }
/// <summary>
/// This allows preservation of unknown ribbon flags when saving.
/// </summary>
public HashSet<int> UnknownRibbons { get; private set; }
private IntStatValues m_stats = null;
public virtual IntStatValues Stats
{
@@ -138,20 +162,6 @@ namespace PkmnFoundations.Structures
}
}
public virtual TrainerMemo TrainerMemo
{
get;
set;
}
public static bool HasRibbon(byte[] ribbons, int value)
{
if (value >= 96 || value < 0) throw new ArgumentOutOfRangeException();
int offset = value >> 3;
byte mask = (byte)(1 << (value & 0x07));
return (ribbons[offset] & mask) != 0;
}
public static ushort ComputeChecksum(byte[] data)
{
ushort result = 0;
@@ -165,5 +175,66 @@ namespace PkmnFoundations.Structures
{
return (ushort)data.Sum(inner => ComputeChecksum(inner));
}
protected static int DecryptRNG(int prev)
{
return prev * 0x41c64e6d + 0x6073;
}
protected static void DecryptBlocks(byte[][] blocks, ushort checksum)
{
int rand = (int)checksum;
for (int x = 0; x < 4; x++)
{
byte[] block = blocks[x];
for (int pos = 0; pos < 32; pos += 2)
{
rand = DecryptRNG(rand);
block[pos] ^= (byte)(rand >> 16);
block[pos + 1] ^= (byte)(rand >> 24);
}
}
}
protected static void ShuffleBlocks(byte[][] blocks, uint personality, bool unshuffle)
{
// shuffle blocks to their correct order
List<int> blockSequence = BlockScramble((personality & 0x0003e000) >> 0x0d);
if (unshuffle) blockSequence = Invert(blockSequence);
AssertHelper.Equals(blockSequence.Count, 4);
{
byte[][] blocks2 = new byte[4][];
for (int x = 0; x < 4; x++)
blocks2[x] = blocks[blockSequence[x]];
for (int x = 0; x < 4; x++)
blocks[x] = blocks2[x];
}
}
public static bool HasRibbon(byte[] ribbons, int value)
{
if (value >= 96 || value < 0) throw new ArgumentOutOfRangeException();
int offset = value >> 3;
byte mask = (byte)(1 << (value & 0x07));
return (ribbons[offset] & mask) != 0;
}
protected static DateTime? TrainerMemoDateTime(byte[] data)
{
// todo: merge with GtsRecordBase datetime helper.
if (data.Length != 3) throw new ArgumentException();
if (data[1] == 0 && data[2] == 0 && data[0] == 0) return null;
try
{
return new DateTime(2000 + data[0], data[1], data[2]);
}
catch (ArgumentOutOfRangeException)
{
return null;
}
}
}
}