public static PatternStorage extractEveryPattern(ref Map source, int N, PatternVariation[] variations)
{
var patterns = new PatternStorage(source, N);
var nVariations = variations.Length;
// TODO: handling periodic input
for (int y = 0; y < source.height - N + 1; y++)
{
for (int x = 0; x < source.width - N + 1; x++)
{
for (int i = 0; i < nVariations; i++)
{
patterns.store(x, y, variations[i]);
}
}
}
return(patterns);
}
public static PatternStorage extractEveryChunk(ref Map source, int N, PatternVariation[] variations)
{
if (source.width % N != 0 || source.height % N != 0)
{
throw new System.Exception($"source size ({source.width}, {source.height}) must be dividable with N={N}");
}
var patterns = new PatternStorage(source, N);
var nVariations = variations.Length;
var gridSize = new Vec2i(source.width, source.height) / N;
for (int y = 0; y < gridSize.y; y++)
{
for (int x = 0; x < gridSize.x; x++)
{
for (int i = 0; i < nVariations; i++)
{
patterns.store(x * N, y * N, variations[i]);
}
}
}
return(patterns);
}