public Tuple <double, double> Evaluate(bool full = false)
{
int evalGames = full ? TetrisSettings.EvalutaionGames : TetrisSettings.TrainEvaluationGames;
double[] _clearedRows = new double[evalGames];
double[] _placedPieces = new double[evalGames];
for (int i = 0; i < evalGames; i++)
{
if (full)
{
this.tetrisGame.ResetGame(TetrisSettings.Width, TetrisSettings.Height);
}
else
{
this.tetrisGame.ResetGame(TetrisSettings.TrainWidth, TetrisSettings.TrainHeight);
}
PlacementPackage[] packages = tetrisGame.GetPackages();
while (packages.Length > 0)
{
PlacementPackage bestPackage = packages[0];
bestPackage.PackageScore = ann.Evaluate(bestPackage);
for (int iPackage = 1; iPackage < packages.Length; iPackage++)
{
PlacementPackage package = packages[iPackage];
package.PackageScore = ann.Evaluate(package);
if (package.PackageScore > bestPackage.PackageScore)
{
bestPackage = package;
}
}
tetrisGame.ApplyPackage(bestPackage);
packages = tetrisGame.GetPackages();
}
_clearedRows[i] = tetrisGame.Score;
_placedPieces[i] = tetrisGame.PlacedPieces;
}
double totCleared = 0, totPlaced = 0;
for (int i = 0; i < evalGames; i++)
{
totCleared += _clearedRows[i];
totPlaced += _placedPieces[i];
}
this.cleared = totCleared / evalGames;
this.placed = placed / evalGames;
return(new Tuple <double, double>(cleared, placed));
}
private void NNPlace(object sender, RoutedEventArgs e)
{
PlacementPackage[] packages = game.GetPackages(currentPiece);
if (packages.Length == 0)
{
ClearBoard();
}
else
{
PlacementPackage bestPackage = packages[0];
bestPackage.PackageScore = ann.Evaluate(bestPackage);
for (int iPackage = 1; iPackage < packages.Length; iPackage++)
{
PlacementPackage package = packages[iPackage];
package.PackageScore = ann.Evaluate(package);
if (package.PackageScore > bestPackage.PackageScore)
{
bestPackage = package;
}
}
int[,] toOccupy = bestPackage.OccupiedCells;
this.package = bestPackage;
List <int> occupiedRows = new List <int>();
for (int i = 0; i < bestPackage.OccupiedCells.GetLength(0); i++)
{
if (!occupiedRows.Contains(toOccupy[i, 1]))
{
occupiedRows.Add(bestPackage.OccupiedCells[i, 1]);
}
}
game.ApplyPackage(bestPackage);
for (int i = 0; i < toOccupy.GetLength(0); i++)
{
if (this.boardOccupation[toOccupy[i, 0], toOccupy[i, 1]])
{
//Console.WriteLine("thing");
throw new Exception("Something about a thing");
}
this.boardOccupation[toOccupy[i, 0], toOccupy[i, 1]] = true;
boardFills[toOccupy[i, 0], toOccupy[i, 1]].Fill = currentPiece.Brush;
}
//Clear the board as necessary, not optimized.
List <int> rowsToOccupy = new List <int>();
for (int i = 0; i < toOccupy.GetLength(0); i++)
{
if (!rowsToOccupy.Contains(toOccupy[i, 1]))
{
rowsToOccupy.Add(toOccupy[i, 1]);
}
}
/*
* The logic is pretty simple, we don't care about efficiency, so start at the bottom row, if it's full, remove it and bring down all the rows above.
* Repeat for that row, once done, test the row up, until every row is tested.
*/
for (int i = this.height - 1; i >= 0; i--)
{
bool rowFull = true;
for (int j = 0; j < this.width; j++)
{
if (!this.boardOccupation[j, i])
{
rowFull = false;
break;
}
}
if (rowFull)
{
for (int j = i - 1; j >= 0; j--) // Start at the row above to send it down
{
for (int x = 0; x < width; x++) // Move horizontally along the board
{
boardFills[x, j + 1].Fill = boardFills[x, j].Fill;
//Grid.SetColumn(boardFills[x, j + 1], j + 1);
this.boardOccupation[x, j + 1] = this.boardOccupation[x, j]; // set the board occupation for later verification.
}
}
i++;
for (int x = 0; x < width; x++)
{
boardFills[x, 0].Fill = transparentBrush;
this.boardOccupation[x, 0] = false;
}
}
}
// Verify the two different calculations match
if (!this.boardOccupation.ToString().Equals(this.game.Board.ToString()))
{
Console.WriteLine(this.boardOccupation.ToString());
Console.WriteLine(this.game.Board.ToString());
throw new Exception("TetrisGame and Tetris boards do not match");
}
display_score.Text = this.game.Score.ToString();
}
newPiece();
}