ShuriZma
/
BizHawk
mirror of https://github.com/TASEmulators/BizHawk.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

hand coded special purpose sorts are a bad idea.

This commit is contained in:
zeromus 2011-05-24 05:30:21 +00:00
parent 7c92c36077
commit b2a38e9d9c
1 changed files with 1 additions and 63 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

64
BizHawk.MultiClient/PlayMovie.cs
View File

@ -202,73 +202,11 @@ namespace BizHawk.MultiClient
string columnName = MovieView.Columns[columnToOrder].Text;
if (sortedCol.CompareTo(columnName) != 0)
sortReverse = false;
MergeSort(MovieList, 0, MovieList.Count, columnName);
MovieList.Sort((x, y) => x.CompareTo(y, columnName) * (sortReverse ? -1 : 1));
sortedCol = columnName;
sortReverse = !(sortReverse);
MovieView.Refresh();
}
private void MergeSort(List<Movie> movieList, int low, int high, string parameter)
{
int sort = 1;
if (sortReverse)
sort = -1;
if (high - low < 15)
InsertionSort(movieList, parameter);
else
{
int mid = Convert.ToInt32(((high - low) / 2) + low);
MergeSort(movieList, low, mid, parameter);
MergeSort(movieList, mid + 1, high, parameter);
int trackLow = low;
int trackHigh = mid+1;
List<Movie> sortedList = new List<Movie>();
for (int i = low; i <= high ; i++)
{
if ((trackHigh > high) || (movieList[trackLow].CompareTo(movieList[trackHigh], parameter) == sort))
{
sortedList.Add(movieList[trackLow]);
trackLow++;
}
else
{
sortedList.Add(movieList[trackHigh]);
trackHigh++;
}
}
for (int i = low; i <= high; i++)
{
movieList[i] = sortedList[i];
}
}
}
private void InsertionSort(List<Movie> smallList, string parameter)
{
int sort = 1;
if (sortReverse)
sort = -1;
for (int i = 0; i < smallList.Count; i++)
{
int smallest = i;
for (int k = i + 1; k < smallList.Count; k++)
{
if (smallList[smallest].CompareTo(smallList[k], parameter) == sort)
smallest = k;
}
if (i != smallest)
{
Movie temp = smallList[i];
smallList[i] = smallList[smallest];
smallList[smallest] = temp;
}
}
}
}
}