private void newToolStripMenuItem_Click(object sender, EventArgs e)
{
SpriteForm newMDI = new SpriteForm();
newMDI.MdiParent = this;
newMDI.Show();
}
private void importRomToolStripMenuItem_Click(object sender, EventArgs e)
{
OpenFileDialog ofd = new OpenFileDialog();
ofd.Filter = "Rom File (*.sfc)|*.sfc|All Files (*.*)|*.*";
ofd.Title = "Select a Rom File";
var result = ofd.ShowDialog();
if (result == DialogResult.OK)
{
var rom = new SpriteLibrary.Rom(ofd.FileName);
var sprite = rom.GetSprite();
SpriteForm newMDI = new SpriteForm(ofd.FileName, sprite);
newMDI.MdiParent = this;
newMDI.Show();
UpdateCurrentSprite(newMDI.loadedSprite);
}
}
public void LoadFile(string fileName)
{
try
{
var spriteFile = File.ReadAllBytes(fileName);
var loadedSprite = new SpriteLibrary.PlayerSprite(spriteFile);
if (loadedSprite.Version == 0)
{
loadedSprite.DisplayText = Path.GetFileNameWithoutExtension(fileName);
}
SpriteForm newMDI = new SpriteForm(fileName, loadedSprite);
newMDI.MdiParent = this;
newMDI.Show();
UpdateCurrentSprite(newMDI.loadedSprite);
}
catch (Exception ex)
{
logger.Error(ex);
MessageBox.Show($"Failed to load file {fileName}. Make sure it's a sprite file.", "Error");
}
}
private void importPNGToolStripMenuItem_Click(object sender, EventArgs e)
{
using (OpenFileDialog ofd = new OpenFileDialog())
{
ofd.Filter = "PNG File (*.png)|*.png|All Files (*.*)|*.*";
ofd.Title = "Select a PNG File";
var invalidPixelsFound = false;
var result = ofd.ShowDialog();
if (result == DialogResult.OK)
{
Bitmap tempBitmap = (Bitmap)Image.FromFile(ofd.FileName);
if (tempBitmap.PixelFormat != System.Drawing.Imaging.PixelFormat.Format32bppArgb)
{
var clone = new Bitmap(tempBitmap.Width, tempBitmap.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
using (Graphics gr = Graphics.FromImage(clone))
{
gr.DrawImage(tempBitmap, new Rectangle(0, 0, tempBitmap.Width, tempBitmap.Height));
}
tempBitmap = clone;
}
if (tempBitmap.Width != 128 || tempBitmap.Height != 448)
{
MessageBox.Show("Invalid PNG image. Must be 128 x 448 pixels", "Error");
return;
}
var sprite = new SpriteLibrary.PlayerSprite();
sprite.DisplayText = Path.GetFileNameWithoutExtension(ofd.FileName);
var bitmapData = tempBitmap.LockBits(new Rectangle(0, 0, tempBitmap.Width, tempBitmap.Height), System.Drawing.Imaging.ImageLockMode.ReadOnly, tempBitmap.PixelFormat);
var totalBytes = bitmapData.Stride * bitmapData.Height;
var pixels = new byte[totalBytes];
Marshal.Copy(bitmapData.Scan0, pixels, 0, totalBytes);
tempBitmap.UnlockBits(bitmapData);
// load palette from png
int xoffset = 120;
int yoffset = 440;
var colors = new Color[8 * 8];
for (int y = 0; y < 8; y++)
{
for (int x = 0; x < 8; x++)
{
int pixelPosition = (y + yoffset) * bitmapData.Stride + ((x + xoffset) * 4);
int b = pixels[pixelPosition + 0];
int g = pixels[pixelPosition + 1];
int r = pixels[pixelPosition + 2];
int a = pixels[pixelPosition + 3];
colors[x + y * 8] = Color.FromArgb(a, r, g, b);
}
}
var palette = new Color[62];
for (int i = 0; i < 15; i++)
{
palette[i] = colors[i + 1];
}
for (int i = 15; i < 30; i++)
{
palette[i] = colors[i + 2];
}
for (int i = 30; i < 45; i++)
{
palette[i] = colors[i + 3];
}
for (int i = 45; i < 60; i++)
{
palette[i] = colors[i + 4];
}
palette[60] = colors[16];
palette[61] = colors[32];
sprite.SetPalette(palette);
// load pixel data
var pixelBytes = new byte[128 * 448];
var greenPalette = new Dictionary <int, Color>();
for (int i = 0; i < 16; i++)
{
greenPalette[i] = colors[i];
}
for (int y = 0; y < 448; y++)
{
for (int x = 0; x < 128; x++)
{
int pixelPosition = y * bitmapData.Stride + (x * 4);
int b = pixels[pixelPosition + 0];
int g = pixels[pixelPosition + 1];
int r = pixels[pixelPosition + 2];
int a = pixels[pixelPosition + 3];
var pixel = Color.FromArgb(a, r, g, b);
if (y >= 440 && x >= 120)
{
// palette data, skip it
pixelBytes[x + y * 128] = 0;
continue;
}
if (a == 0 || greenPalette[0] == pixel)
{
pixelBytes[x + y * 128] = 0;
}
else
{
var pixelValue = greenPalette.FirstOrDefault(c => c.Value == pixel);
if (pixelValue.Key > 0)
{
pixelBytes[x + y * 128] = (byte)pixelValue.Key;
}
else
{
invalidPixelsFound = true;
//logger.Debug($"Import PNG: Bad pixel value found. File: {ofd.FileName}, Pixel: [{x + y * 128}] {pixel.ToString()}");
}
}
}
}
List <byte[]> tiles = new List <byte[]>();
for (int yTile = 0; yTile < 56; yTile++)
{
for (int xTile = 0; xTile < 16; xTile++)
{
var currentTile = new byte[8 * 8];
for (int y = 0; y < 8; y++)
{
for (int x = 0; x < 8; x++)
{
currentTile[x + y * 8] = pixelBytes[(xTile * 8 + x) + (yTile * 8 + y) * 128];
}
}
tiles.Add(currentTile);
}
}
byte[] pixels4bpp = new byte[0x7000];
int offset = 0;
foreach (var tile in tiles)
{
var four = SpriteLibrary.Utilities.Tile8x8To4Bpp(tile);
Array.Copy(four, 0, pixels4bpp, offset, 32);
offset += 32;
}
sprite.Set4bppPixelData(pixels4bpp);
if (invalidPixelsFound)
{
MessageBox.Show("PNG contains pixels that do not use the first 16 colors of the embedded palette. Pixels have been made transparent. Please verify your source file.", "Error");
}
SpriteForm newMDI = new SpriteForm(ofd.FileName, sprite);
newMDI.MdiParent = this;
newMDI.Show();
UpdateCurrentSprite(newMDI.loadedSprite);
}
}
}