public ImageFlyweight GetFlyweight(FlyweightTypes type)
{
//ImageFlyweight flyweight = null;
// If current specified flyweight type was already created:
if (_flyweights.TryGetValue(type, out ImageFlyweight existingFlyweight))
{
return(existingFlyweight);
} // If specified flyweight type does not exist in factory:
else
{
Image img;
switch (type)
{
case FlyweightTypes.Player:
img = ImageResources.PlayerImage;
var newPlayerFlyweight = new PlayerFlyweight(img);
_flyweights.Add(FlyweightTypes.Player, newPlayerFlyweight);
return(newPlayerFlyweight);
case FlyweightTypes.Platform:
img = ImageResources.PlatformImage;
var newPlatformFlyweight = new PlayerFlyweight(img);
_flyweights.Add(FlyweightTypes.Platform, newPlatformFlyweight);
return(newPlatformFlyweight);
default:
return(null);
}
}
}
public static void TestWithoutFlyweightFactory(int n)
{
var items = new List <ImageFlyweight>();
var timer = new Stopwatch();
GC.Collect();
GC.WaitForPendingFinalizers();
GC.Collect();
var memoryBefore = System.Diagnostics.Process.GetCurrentProcess().VirtualMemorySize64;
timer.Start();
for (int i = 0; i < n; i++)
{
//Console.WriteLine("without " + i + ":::" + Process.GetCurrentProcess().VirtualMemorySize64);
var newPlayerObject = new PlayerFlyweight(ImageResources.PlayerImage);
var newPlatformObject = new PlayerFlyweight(ImageResources.PlatformImage);
newPlayerObject.drawUnit(new Tuple <int, int>(center, center), size, size);
newPlatformObject.drawUnit(new Tuple <int, int>(center, center), size, size);
items.Add(newPlayerObject);
items.Add(newPlatformObject);
}
timer.Stop();
var memoryAfter = System.Diagnostics.Process.GetCurrentProcess().VirtualMemorySize64;
var memoryDiff = (memoryAfter - memoryBefore) / 1024 / 1024;
var duration = timer.ElapsedMilliseconds;
PrintResults("Test WITHOUT flyweight design pattern", n, memoryDiff.ToString(), duration.ToString());
}
