Fix and add score text

TestTetris/GridTest.cs

@@ -133,14 +133,16 @@ public class GridTest {
     [Test]
     public void LineFull() {
         Console.Out.WriteLine(g.ToString());
-        Assert.False(g.LineFull());
+        Assert.AreEqual(-1, g.LineFull());
+        
+        int line = random.Next(g.MinGrid.Y, g.MaxGrid.Y);
         
         for (int x = 0; x < ig.GetLength(0); x++)
-            ig[x, ig.GetLength(1) - 1] = Color.Aqua;
+            ig[x, line] = Color.Aqua;
         
         Console.Out.WriteLine("==========");
         Console.Out.WriteLine(g.ToString());
-        Assert.True(g.LineFull());
+        Assert.AreEqual(line, g.LineFull());
     }
 
     [Test]
@@ -150,16 +152,17 @@ public class GridTest {
                 ig[x, y] = Color.FromArgb(random.Next(256), random.Next(256), random.Next(256));
             }
 
+        int line = random.Next(g.MinGrid.Y, g.MaxGrid.Y);
         for (int x = 0; x < ig.GetLength(0); x++)
-            ig[x, ig.GetLength(1) - 1] = Color.Aqua;
+            ig[x, line] = Color.Aqua;
         
         Color[,] olg_grid = (Color[,])ig.Clone();
         Console.Out.WriteLine(g.ToString());
-        g.ClearLine();
+        g.ClearLine(line);
         Console.Out.WriteLine("==========");
         Console.Out.WriteLine(g.ToString());
         for (uint x = 0; x < ig.GetLength(0); x++)
-            for (uint y = 1; y < ig.GetLength(1); y++) {
+            for (uint y = 1; y <= line; y++) {
                 Assert.AreEqual(olg_grid[x, y-1], ig[x,y]); 
             }
         

Tetris/Models/Game.cs

@@ -61,12 +61,16 @@ public class Game : INotifyPropertyChanged {
         return _grid.MinGrid.Y == _currentTetrominoe.Coordinates.Y;
     }
 
-    public bool LineFull() {
+    public void ClearLine()
-        return _grid.LineFull();
+    {
-    }
+        int line = _grid.LineFull();
         
-    public void ClearLine() {
+        while (line != -1)
-        _grid.ClearLine();
+        {
+            _grid.ClearLine(line);
+            Score += Grid.CGrid.GetLength(0);
+            line = _grid.LineFull();
+        }
     }
 
     public void PrintTetrominoe() {

Tetris/Models/Grid.cs

@@ -38,18 +38,32 @@ public class Grid {
         return true;
     }
     
-    public bool LineFull() {
+    public int LineFull()
-        return Enumerable.Range(0, _grid.GetLength(0)).Select(x => _grid[x, MaxGrid.Y]).All(x => x != Color.Empty);
+    {
+        for (int y = MaxGrid.Y; y > 0; y--)
+        {
+            bool full = true;
+            for (int x = 0; x <= MaxGrid.X; x++)
+                if (_grid[x, y] == Color.Empty)
+                {
+                    full = false;
+                    break;
+                }
+            if (full)
+                return y;
         }
 
-    public void ClearLine() {
+        return -1;
-        for (int x = 0; x <= MaxGrid.X; x++)
+    }
-            for (int y = MaxGrid.Y; y > 0; y--) {
+
+    public void ClearLine(int line) {
+        for (int x = MinGrid.X; x <= MaxGrid.X; x++)
+            for (int y = line; y > MinGrid.Y; y--) {
                 _grid[x, y] = _grid[x, y - 1];
             }
         
         for (int x = 0; x <= MaxGrid.X; x++)
-            _grid[x,0] = Color.Empty;
+            _grid[x,MinGrid.Y] = Color.Empty;
     }
 
     public void PrintTetrominoe(Tetrominoe t) {

Tetris/Views/GameWindow.xaml

@@ -6,6 +6,7 @@
         mc:Ignorable="d"
         Title="GameWindow" Width="{Binding Width}" Height="{Binding Height}" KeyDown="UIElement_OnKeyDown">
     <Grid Background="Black">
+        <TextBlock Text="{Binding ScoreText}" Foreground="White" FontSize="32" />
         <Image Source="{Binding Source}" />
     </Grid>
 </Window>

Tetris/Views/GameWindow.xaml.cs

@@ -6,13 +6,11 @@ namespace Tetris.Views;
 
 public partial class GameWindow
 {
-    private static readonly GameViewModel GameViewModel = new();
-    
     public GameWindow()
     {
         AttachConsole(-1);
         InitializeComponent();
-        DataContext = GameViewModel;
+        DataContext = new GameViewModel();
     }
 
     [DllImport("kernel32.dll")]

Tetris/ViewsModels/GameViewModel.cs

@@ -2,11 +2,13 @@
 
 using System;
 using System.ComponentModel;
+using System.Windows.Controls;
 using System.Windows.Media;
 using System.Windows.Media.Imaging;
 using System.Windows.Threading;
 using Tetris.Models;
 using Color = System.Drawing.Color;
+using Grid = Tetris.Models.Grid;
 
 namespace Tetris.ViewsModels;
 
@@ -14,7 +16,12 @@ public class GameViewModel : INotifyPropertyChanged
 {
     public event PropertyChangedEventHandler? PropertyChanged;
     
-    public static readonly Game Game = new("...", new Grid(new Color[20, 40]));
+    protected virtual void OnPropertyChanged(string propertyName)
+    {
+        PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+    }
+    
+    public static readonly Game Game = new("...", new Grid(new Color[15, 30]));
     
     private const int RendererHertz = 5;
     private const int GameRendererHertz = (1 / RendererHertz) * 1000;
@@ -22,6 +29,10 @@ public class GameViewModel : INotifyPropertyChanged
     private readonly int _width = (Game.Grid.MaxGrid.X + 1) * Multiplier;
     private readonly int _height = (Game.Grid.MaxGrid.Y + 1) * Multiplier;
     private readonly WriteableBitmap _writeableBitmap;
+    private readonly int _colorLine = 0xFFFFFF;
+    private bool _isPaused;
+    private uint _countDown;
+    private string _scoreText = "";
 
     public GameViewModel()
     {
@@ -37,7 +48,7 @@ public class GameViewModel : INotifyPropertyChanged
         
         var dispatcherUpdateTimer = new DispatcherTimer
         {
-            Interval = new TimeSpan(0, 0, 0, 0, 100)
+            Interval = new TimeSpan(0, 0, 0, 0, 200)
         };
         
         dispatcherUpdateTimer.Tick += Update;
@@ -45,23 +56,38 @@ public class GameViewModel : INotifyPropertyChanged
     }
     
     public ImageSource Source => _writeableBitmap;
-    public ImageSource RightSource => _writeableBitmap;
+
+    public string ScoreText
+    {
+        get => _scoreText;
+        set
+        {
+            _scoreText = value;
+            OnPropertyChanged("ScoreText");
+        }
+    }
 
     private void Render(object? sender, EventArgs eventArgs)
     {
         _writeableBitmap.Lock();
         _writeableBitmap.Clear(Colors.Black);
+        ScoreText = "Score: " + Game.Score;
 
         var colorGrid = Game.Grid.CGrid;
         for (var x = 0; x < Game.Grid.MaxGrid.X + 1; x++)
         {
+            var startX = x * Multiplier;
+            var endX = startX + Multiplier;
+            
             for (var y = 0; y < Game.Grid.MaxGrid.Y + 1; y++)
             {
-                if (colorGrid[x, y] == Color.Empty) continue;
-                
-                var startX = x * Multiplier;
                 var startY = y * Multiplier;
-                _writeableBitmap.FillRectangle(startX, startY, startX + Multiplier, startY + Multiplier, colorGrid[x, y].ToArgb());
+                var endY = startY + Multiplier;
+                
+                _writeableBitmap.DrawLine(startX, startY, endX, startY, _colorLine);
+                _writeableBitmap.DrawLine(startX, startY, startX, endY, _colorLine);
+                if (colorGrid[x, y] == Color.Empty) continue;
+                _writeableBitmap.FillRectangle(startX, startY, endX, endY, colorGrid[x, y].ToArgb());
             }
         }
 
@@ -87,17 +113,29 @@ public class GameViewModel : INotifyPropertyChanged
     
     private void Update(object? sender, EventArgs eventArgs)
     {
+        if (_isPaused)
+        {
+            return;
+        }
+        
         Game.CurrentTetrominoe?.GoDown();
         
         if (Game.HitBottom())
+        {
+            if (_countDown >= 3)
             {
                 Game.PrintTetrominoe();
+                _countDown = 0;
+            }
+            else
+                _countDown++;
         }
         
-        if (Game.LineFull())
-        {
         Game.ClearLine();
-            // TODO: Add score
+
+        if (Game.HitTop())
+        {
+            _isPaused = true;
         }
     }
 }