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Add some comments, clean a little

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Kurt 2020-12-07 20:14:12 -08:00
parent 98ef0299b6
commit a13c2c852c
1 changed files with 38 additions and 25 deletions
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63
PKHeX.Core/Saves/Substructures/Gen5/CGearBackground.cs
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@ -14,6 +14,9 @@ namespace PKHeX.Core
public const int Width = 256; // px
public const int Height = 192; // px
public const int SIZE_CGB = 0x2600;
private const int ColorCount = 0x10;
private const int TileSize = 8;
private const int TileCount = (Width / TileSize) * (Height / TileSize); // 0x300
/* CGearBackground Documentation
* CGearBackgrounds (.cgb) are tiled images.
@ -59,8 +62,8 @@ namespace PKHeX.Core
byte[] ColorData = data.Slice(0x1FE0, 0x20);
byte[] Region2 = data.Slice(0x2000, 0x600);
ColorPalette = new int[0x10];
for (int i = 0; i < 0x10; i++)
ColorPalette = new int[ColorCount];
for (int i = 0; i < ColorPalette.Length; i++)
ColorPalette[i] = GetRGB555_16(BitConverter.ToUInt16(ColorData, i * 2));
Tiles = new Tile[0xFF];
@ -76,11 +79,23 @@ namespace PKHeX.Core
Map = new TileMap(Region2);
}
public readonly int[] ColorPalette;
public readonly Tile[] Tiles;
public readonly TileMap Map;
// Track the original data
private readonly byte[]? _cgb;
private readonly byte[]? _psk;
/// <summary>
/// Writes the <see cref="CGearBackground"/> data to a binary form.
/// </summary>
/// <param name="B2W2">True if the destination game is <see cref="GameVersion.B2W2"/>, otherwise false for <see cref="GameVersion.BW"/>.</param>
/// <returns>Serialized skin data for writing to the save file</returns>
public byte[] GetSkin(bool B2W2) => B2W2 ? GetCGB() : GetPSK();
private byte[] GetCGB() => _cgb ?? Write();
private byte[] GetPSK() => _psk ?? CGBtoPSK(Write());
public byte[] GetSkin(bool B2W2) => B2W2 ? GetCGB() : GetPSK();
private byte[] Write()
{
@ -152,10 +167,6 @@ namespace PKHeX.Core
return cgb;
}
private readonly int[] ColorPalette;
public Tile[] Tiles { get; }
public TileMap Map { get; }
private static int ValToIndex(int val)
{
if ((val & 0x3FF) < 0xA0 || (val & 0x3FF) > 0x280)
@ -222,7 +233,7 @@ namespace PKHeX.Core
var colors = GetColorData(pixels);
var Palette = colors.Distinct().ToArray();
if (Palette.Length > 0x10)
if (Palette.Length > ColorCount)
throw new ArgumentException($"Too many unique colors. Expected <= 16, got {Palette.Length}");
var tiles = GetTiles(colors, Palette);
@ -242,31 +253,33 @@ namespace PKHeX.Core
return colors;
}
private static Tile[] GetTiles(IReadOnlyList<int> colors, int[] Palette)
private static Tile[] GetTiles(IReadOnlyList<int> colors, int[] palette)
{
var tiles = new Tile[0x300];
var tiles = new Tile[TileCount];
for (int i = 0; i < tiles.Length; i++)
tiles[i] = GetTile(colors, palette, i);
return tiles;
}
private static Tile GetTile(IReadOnlyList<int> colors, int[] palette, int tileIndex)
{
int x = (tileIndex * 8) % Width;
int y = 8 * ((tileIndex * 8) / Width);
var t = new Tile();
for (uint ix = 0; ix < 8; ix++)
{
int x = (i * 8) % Width;
int y = 8 * ((i * 8) / Width);
var t = new Tile();
for (uint ix = 0; ix < 8; ix++)
for (uint iy = 0; iy < 8; iy++)
{
for (uint iy = 0; iy < 8; iy++)
{
int index = ((int)(y + iy) * Width) + (int)(x + ix);
int c = colors[index];
int index = ((int) (y + iy) * Width) + (int) (x + ix);
int c = colors[index];
t.ColorChoices[(ix % 8) + (iy * 8)] = Array.IndexOf(Palette, c);
}
t.ColorChoices[(ix % 8) + (iy * 8)] = Array.IndexOf(palette, c);
}
t.SetTile(Palette);
tiles[i] = t;
}
return tiles;
t.SetTile(palette);
return t;
}
private static void GetTileList(IReadOnlyList<Tile> tiles, out List<Tile> tilelist, out TileMap tm)