private static List<ConstAnimationFrame> GetFrameInfo(CommandLineArgs cmdLine, NpkReader npk, NpkPath imgPath)
{
List<ConstAnimationFrame> frameInfo = new List<ConstAnimationFrame>();
List<FrameInfo> frames = npk.Frames[imgPath].ToList();
if (cmdLine.UseAllFrames)
{
for (int frameIndex = 0; frameIndex < frames.Count; frameIndex++)
{
frameInfo.Add(new AnimationFrame() { DelayInMs = cmdLine.FrameDelayInMs, Image = new ImageIdentifier(imgPath, frameIndex) }.AsConst());
}
}
else
{
foreach (int frameIndex in cmdLine.FrameIndexes)
{
if (frameIndex >= frames.Count)
{
Console.Error.WriteLine("{0} in {1} has {2} frames in it, so frame index {3} is not valid.", imgPath, cmdLine.NpkPath, frames.Count, frameIndex);
Environment.Exit(1);
}
frameInfo.Add(new AnimationFrame() { DelayInMs = cmdLine.FrameDelayInMs, Image = new ImageIdentifier(imgPath, frameIndex) }.AsConst());
}
}
return frameInfo;
}
private static NpkPath GetImgPath(CommandLineArgs cmdLine, NpkReader npk)
{
if (cmdLine.ImgPath != null)
{
NpkPath imgPath = new NpkPath(cmdLine.ImgPath);
IList<NpkPath> imgPathComponents = imgPath.GetPathComponents();
if (imgPathComponents.Count >= 1 && !imgPathComponents[0].Path.Equals("sprite", StringComparison.OrdinalIgnoreCase))
{
// add sprite/ prefix if present
imgPath = NpkPath.Combine("sprite", imgPath);
}
if (!npk.Images.ContainsKey(imgPath))
{
Console.Error.WriteLine("There is no img file with path {0} in NPK file {1}", cmdLine.ImgPath, cmdLine.NpkPath);
Environment.Exit(1);
}
return imgPath;
}
else
{
List<NpkPath> matchingPaths = new List<NpkPath>();
// Only the .img name was given. Look for it.
foreach (NpkPath path in npk.Images.Keys)
{
if (path.GetFileName().Path.Equals(cmdLine.ImgName, StringComparison.OrdinalIgnoreCase))
{
matchingPaths.Add(path);
}
}
if (matchingPaths.Count == 1)
{
return matchingPaths[0];
}
else if (matchingPaths.Count == 0)
{
Console.Error.WriteLine("There is no img file called {0} in NPK file {1}", cmdLine.ImgName, cmdLine.NpkPath);
Environment.Exit(1);
return null; // not reached
}
else
{
Console.Error.WriteLine("There are multiple img files matching the name {0} in NPK file {1}: {2}", cmdLine.ImgName, cmdLine.NpkPath, string.Join(", ", matchingPaths));
Environment.Exit(1);
return null; // not reached
}
}
}
static void Main(string[] args)
{
try
{
CommandLineArgs cmdLine = new CommandLineArgs(args);
using (NpkReader npk = LoadNpk(cmdLine.NpkPath))
{
NpkPath imgPath = GetImgPath(cmdLine, npk);
RawAnimation animationData = new RawAnimation();
animationData.Loop = true;
List<ConstAnimationFrame> frameInfo = GetFrameInfo(cmdLine, npk, imgPath);
animationData.Frames = frameInfo;
CreateOutputDir(cmdLine.OutputPath);
using (FileStream gifOutputStream = OpenOutput(cmdLine.OutputPath))
using (GifMaker giffer = new GifMaker(npk, disposeImageSource: false))
{
try
{
giffer.Create(animationData.AsConst(), gifOutputStream);
}
catch (Exception ex)
{
Console.Error.WriteLine("Error creating GIF: {0}", Utils.GetExceptionMessageWithInnerExceptions(ex));
Console.Error.WriteLine(ex.StackTrace);
giffer.Dispose();
gifOutputStream.Dispose();
npk.Dispose();
Environment.Exit(1);
}
}
}
Console.WriteLine("GIF saved to {0}", cmdLine.OutputPath);
}
catch (OptionException ex)
{
Console.Error.WriteLine(ex.Message);
Console.Error.WriteLine("Run with -h for help");
}
catch (Exception ex)
{
Console.Error.WriteLine("Unexpected error: {0}", Utils.GetExceptionMessageWithInnerExceptions(ex));
Console.Error.WriteLine(ex.StackTrace);
}
}