public static List <Metatile> CreateMetatiles(List <byte> metatileBytes, List <byte> metatileAttributeBytes)
{
// Create Metatiles
int numMetatiles = metatileBytes.Count / 16;
List <Metatile> metatiles = new List <Metatile>();
for (int i = 0; i < numMetatiles; i++)
{
Metatile metatile = new Metatile();
int index = i * (2 * TILES_PER_LAYER * LAYERS);
for (int j = 0; j < TILES_PER_LAYER * LAYERS; j++)
{
int word = metatileBytes[index++] & 0xff;
word += (metatileBytes[index++] & 0xff) << 8;
Tile tile = new Tile((ushort)word);
metatile.tiles.Add(tile);
}
metatiles.Add(metatile);
}
// Set metatile attributes
int numMetatileAttrs = metatileAttributeBytes.Count / 4;
for (int i = 0; i < numMetatileAttrs; i++)
{
int value = ((metatileAttributeBytes[i * 4 + 3]) << 24) |
((metatileAttributeBytes[i * 4 + 2]) << 16) |
((metatileAttributeBytes[i * 4 + 1]) << 8) |
((metatileAttributeBytes[i * 4 + 0]));
metatiles[i].behavior = (ushort)(value & 0x1FF);
metatiles[i].terrainType = (ushort)((value & 0x3E00) >> 9);
metatiles[i].encounterType = (ushort)((value & 0x7000000) >> 24);
metatiles[i].layerType = (ushort)((value & 0x60000000) >> 29);
}
return(metatiles);
}
public static List <Tileset> CreateTilesets(string readPath)
{
string headerIncText = File.ReadAllText(readPath + @"\data\tilesets\headers.inc");
string graphicsIncText = File.ReadAllText(readPath + @"\data\tilesets\graphics.inc");
string metatilesIncText = File.ReadAllText(readPath + @"\data\tilesets\metatiles.inc");
List <Tileset> tilesets = new List <Tileset>();
// Split header entries
string[] splitString = { "\n\t.align 2\n" };
string[] headerEntries = headerIncText.Split(splitString, StringSplitOptions.RemoveEmptyEntries);
// Split graphics entries
string[] graphicsEntries = graphicsIncText.Split(splitString, StringSplitOptions.RemoveEmptyEntries);
// Split metatiles entries
string[] splitStringMetatiles = { "\n\t.align 1\n" };
string[] metatilesEntries = metatilesIncText.Split(splitStringMetatiles, StringSplitOptions.RemoveEmptyEntries);
// Get data from .inc files
for (int i = 0; i < headerEntries.Length; i++)
{
// Create tileset from header.inc
Tileset tileset = new Tileset(headerEntries[i]);
// Add paths from graphics.inc
bool setTiles = false;
bool setPalettes = false;
for (int j = 0; j < graphicsEntries.Length; j++)
{
if (graphicsEntries[j].Contains(tileset.tiles_label))
{
tileset.tilesPath = graphicsEntries[j].Substring(
graphicsEntries[j].IndexOf("\"")).Replace("\"", "").Replace("\n", "");
setTiles = true;
}
else if (graphicsEntries[j].Contains(tileset.palettes_label))
{
string[] splitStringPalettes = { "\n\t.incbin " };
string[] lines = graphicsEntries[j].Split(splitStringPalettes, StringSplitOptions.RemoveEmptyEntries);
for (int k = 1; k < lines.Length; k++) // Skip first blank entry
{
tileset.palettePaths.Add(lines[k].Replace("\"", "").Replace("\n", ""));
}
setPalettes = true;
}
if (setTiles && setPalettes)
{
break;
}
}
// Add paths from metatiles.inc
bool setMetatiles = false;
bool setMetatilesAttributes = false;
for (int j = 0; j < metatilesEntries.Length; j++)
{
if (metatilesEntries[j].Contains(tileset.metatiles_label))
{
tileset.metatiles_path = metatilesEntries[j].Substring(
metatilesEntries[j].IndexOf("\"")).Replace("\"", "").Replace("\n", "");
setMetatiles = true;
}
else if (metatilesEntries[j].Contains(tileset.metatile_attrs_label))
{
tileset.metatile_attrs_path = metatilesEntries[j].Substring(
metatilesEntries[j].IndexOf("\"")).Replace("\"", "").Replace("\n", "");
setMetatilesAttributes = true;
}
if (setMetatiles && setMetatilesAttributes)
{
break;
}
}
// WORKAROUND: Some entries are not in graphics.inc but in graphics.c, just add them using the same path structure
if (!setTiles)
{
tileset.tilesPath = tileset.metatiles_path.Replace("metatiles.bin", "tiles.png");
}
if (!setPalettes)
{
for (int j = 0; j < 16; j++)
{
tileset.palettePaths.Add(tileset.metatiles_path.Replace("metatiles.bin", "palettes/" + j.ToString("D2") + ".pal"));
}
}
// Assign image of tiles
//if (tileset.tilesPath != null) /// TODO: Add fallback, either read from graphics.c or generate paths
{
tileset.tilesImage = (Bitmap)Image.FromFile(readPath + @"\" + tileset.tilesPath.Replace("4bpp", "png").Replace(".lz", ""));
// Assign palettes
tileset.palettes = new List <Palette>();
for (int j = 0; j < tileset.palettePaths.Count; j++)
{
tileset.palettes.Add(new Palette(File.ReadAllText(readPath + @"\" + tileset.palettePaths[j].Replace("gbapal", "pal"))));
}
}
// Create metatiles
List <byte> metatileBytes = File.ReadAllBytes(readPath + @"\" + tileset.metatiles_path).ToList <byte>();
List <byte> metatileAttributeBytes = File.ReadAllBytes(readPath + @"\" + tileset.metatile_attrs_path).ToList <byte>();
tileset.metatiles = Metatile.CreateMetatiles(metatileBytes, metatileAttributeBytes);
tilesets.Add(tileset);
}
return(tilesets);
}
