public bool LoadFile(Stream s)
{
//Read file headers
if (_ReadUInt(s) != 1178686535)
{
return(false);
}
if (_ReadUShort(s) != 0)
{
return(false);
}
challenges = new GtaFingerprintChallenge[_ReadUShort(s)];
modified_utc = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc).AddSeconds(_ReadUInt(s));
screen_width = _ReadUShort(s);
screen_height = _ReadUShort(s);
//Read name
name = _ReadString(s);
//Read finger
finger = new GtaFingerprintTarget(_LoadMask(s));
//Read challeneges
for (int i = 0; i < challenges.Length; i++)
{
challenges[i] = new GtaFingerprintChallenge(_LoadMask(s));
}
return(true);
}
/// <summary>
/// Finds which file has the closest matching finger to this one
/// </summary>
/// <param name="target"></param>
private GtaFingerPackFile FindMatchingFinger(GtaFingerprintTarget target)
{
//Find finger with the highest match
GtaFingerPackFile highestMatch = null;
int highestMatchValue = int.MinValue;
foreach (var f in registeredFingers)
{
//Get challenege
var c = f.finger;
//Resize the mask of the finger
bool[,] targetMask = target.ResizeDataArray(c.width, c.height);
//Loop through and generate an number to tell us how closely this matches
int value = 0;
for (int x = 0; x < c.width; x++)
{
for (int y = 0; y < c.height; y++)
{
//Check
bool isMatch = targetMask[x, y] == c.data[x, y];
if (isMatch)
{
value++;
}
else
{
value--;
}
}
}
//Check if this is the best match
if (value > highestMatchValue)
{
highestMatchValue = value;
highestMatch = f;
}
}
//Validate
if (highestMatch == null)
{
throw new Exception("Could not find any fingers!");
}
return(highestMatch);
}
public GtaReaderSession(List <GtaFingerPackFile> registeredFingers, Bitmap screenshotBitmap, bool isWindowed)
{
//Set
this.registeredFingers = registeredFingers;
this.isWindowed = isWindowed;
//Open GTA screenshot
screenshot = new GtaScreenshot(screenshotBitmap, isWindowed);
//Get screen challenges
screenChallenges = new List <GtaFingerprintChallenge>();
for (int x = 0; x < 2; x++)
{
for (int y = 0; y < 4; y++)
{
screenChallenges.Add(screenshot.GetComponent(x, y));
}
}
//Determine which file this is
screenTarget = screenshot.GetCloneTarget();
file = FindMatchingFinger(screenTarget);
//Run check on each registered finger
matches = new List <GtaFingerprintChallenge>();
List <GtaFingerprintChallenge> workingScreenChallenges = new List <GtaFingerprintChallenge>();
workingScreenChallenges.AddRange(screenChallenges);
foreach (var f in file.challenges)
{
//Find
var match = FindMatchingTarget(f, workingScreenChallenges.ToArray());
//Remove from list so we don't find it again
workingScreenChallenges.Remove(match);
//Add
matches.Add(match);
Console.WriteLine("X: " + match.fingerX + ", Y: " + match.fingerY);
}
}
