BitArray LoadAlienSprite(int alien)
{
string filename = $"Invaders.jooyetech_icon_0{alien}_invader.bmp";
byte[] inv = BitmapLoader.LoadBMPResource(filename);
Console.WriteLine($"{alien} has {inv.Length} bytes");
//bmp start at lower left
//flip vertically - and flip the bits in the byte ~
// also reverse the bits for little endian ?
byte[] flipinv = new byte[inv.Length];
for (int r = 39; r > 0; r--)
{
for (int i = 0; i < 8; i++)
{
flipinv[r * 8 + i] = Reverse((byte)~inv[(39 - r) * 8 + i]);
}
}
// assume all are same size for now
int[] d = BitmapLoader.LoadDimensions(filename);
spriteW = d[0];
spriteH = d[1];
return(new BitArray(flipinv));
}
void InvaderTest(int alien)
{
byte[] inv = BitmapLoader.LoadBMPResource($"Invaders.jooyetech_icon_0{alien}_invader.bmp");
Console.WriteLine($"{inv.Length} bytes");
//bmp start at lower left
//flip vertically - and flip the bits in the byte ~
// also reverse the bits for little endian ?
byte[] flipinv = new byte[inv.Length];
for (int r = 39; r > 0; r--)
{
for (int i = 0; i < 8; i++)
{
flipinv[r * 8 + i] = Reverse((byte)~inv[(39 - r) * 8 + i]);
}
}
graphics.Clear();
for (int x = 0; x < display.Width; x += 64)
{
for (int y = 0; y < display.Height; y += 40)
{
//display.DrawBitmap(x, y, 64 / 8, 40, flipinv, RandColor());
DrawBitmap(x, y, 64, 40, flipinv, RandColor());
// Console.WriteLine($"{x} {y}");
graphics.Show();
}
}
}