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Add block offset fetch util

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according to the disassembly it all makes more sense; a small block and
a large block are stored in RAM

util calc helps convert between contiguous section offset to a chunked
offset

eg: emerald daycare starts at large 0x3030, which converts to
chunk4@0x1B0
This commit is contained in:
Kurt 2018-07-08 09:56:01 -07:00
parent f04bc214ec
commit 373b4ffcbb
1 changed files with 30 additions and 6 deletions
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36
PKHeX.Core/Saves/SAV3.cs
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@ -22,13 +22,13 @@ namespace PKHeX.Core
private const int SIZE_BLOCK = 0x1000;
private const int BLOCK_COUNT = 14;
private const int SIZE_RESERVED = 0x10000; // unpacked box data will start after the save data
private readonly int[] chunkLength =
private static readonly int[] chunkLength =
{
0xf2c, // 0 | Trainer info
0xf80, // 1 | Team / items
0xf80, // 2 | Unknown
0xf80, // 3 | Unknown
0xf08, // 4 | Rival info
0xf2c, // 0 | Small Block (Trainer Info)
0xf80, // 1 | Large Block Part 1
0xf80, // 2 | Large Block Part 2
0xf80, // 3 | Large Block Part 3
0xf08, // 4 | Large Block Part 4
0xf80, // 5 | PC Block 0
0xf80, // 6 | PC Block 1
0xf80, // 7 | PC Block 2
@ -40,6 +40,30 @@ namespace PKHeX.Core
0x7d0 // D | PC Block 8
};
public static void GetLargeBlockOffset(int contiguousOffset, out int chunk, out int chunkOffset)
{
for (chunk = 1; chunk <= 4; chunk++)
{
int chunkSize = chunkLength[chunk];
if (chunkSize > contiguousOffset)
break;
contiguousOffset -= chunkSize;
}
chunkOffset = contiguousOffset;
}
public static int GetLargeBlockOffset(int chunk, int chunkOffset)
{
if (chunk == 1)
return chunkOffset;
for (int i = 1; i <= 4; i++)
{
if (chunk == i)
break;
chunkOffset += chunkLength[i];
}
return chunkOffset;
}
public SAV3(byte[] data = null, GameVersion versionOverride = GameVersion.Any)
{
Data = data ?? new byte[SaveUtil.SIZE_G3RAW];