Background Video for Credits Screen (#732)

* Add Credits Background Video

* Add Credits Background Video

* Add Credits Background Video

* Add Credits Background Video

* Add Background video

Vocaluxe/Base/CSettings.cs

@@ -109,6 +109,7 @@ namespace Vocaluxe.Base
         public const string FileNameLogo = "Logo.png";
         public const string FileNameFonts = "Fonts.xml";
         public const string FileNameCreditsLogo = "CreditsLogo.png";
+        public const string FileNameCreditsVideo = "Credits_BGVideo.mp4";
 
         public const string FileNameOldHighscoreDB = "Ultrastar.db";
         public const string FileNameCoverDB = "CoverDB.sqlite";

Vocaluxe/Screens/CScreenCredits.cs

@@ -10,7 +10,7 @@
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
-//
+// 
 // You should have received a copy of the GNU General Public License
 // along with Vocaluxe. If not, see <http://www.gnu.org/licenses/>.
 #endregion
@@ -44,10 +44,13 @@ namespace Vocaluxe.Screens
 
         private List<dynamic> _ScrollingElements;
         private Dictionary<dynamic, float> _ElementStartYPositions;
-        private float _previousElapsedMilliseconds;
+        private float _previousVideoElapsedMilliseconds;
+        private float _previousAnimationElapsedMilliseconds;
 
         private CTextureRef _TexLogo;
 
+        private CVideoStream _BackgroundVideo;
+        private float _BackgroundVideoTime;
         
         public override EMusicType CurrentMusicType
         {
@@ -71,8 +74,8 @@ namespace Vocaluxe.Screens
 
             if (File.Exists(path))
             {
-                 _TexLogo = CDraw.AddTexture(path);
-                 ressourceOK &= _TexLogo != null;
+                _TexLogo = CDraw.AddTexture(path);
+                ressourceOK &= _TexLogo != null;
             }
             else
             {
@@ -80,33 +83,26 @@ namespace Vocaluxe.Screens
             }
             if (!ressourceOK)
             {
-                 CLog.Fatal("Could not load all resources!");
+                CLog.Fatal("Could not load all resources!");
+                // Prevent further execution
+                return;
             }
 
-            // Initialize background theme
-            SThemeBackground _BGTheme = new SThemeBackground
-            {
-                Type = EBackgroundTypes.Color,
-                Color = new SThemeColor { Name = "Black", R = 0f, G = 0f, B = 0f, A = 1f }
-            };
-
-            // Create and add background
-            CBackground bg = new CBackground(_BGTheme, -1);
-            bg.LoadSkin();
-            _AddBackground(bg);
-
             // Position Y for the first scrolling element
             float scrollY = CSettings.RenderH - 1f;
 
             // Create logo
-            _Logo = GetNewStatic(_TexLogo, new SColorF(1, 1, 1, 1),
-                new SRectF((float)(CSettings.RenderW - _TexLogo.OrigSize.Width) / 2, scrollY, _TexLogo.OrigSize.Width, _TexLogo.OrigSize.Height, -2));
-            _Logo.Visible = false;
-            _AddStatic(_Logo);
-            _ScrollingElements.Add(_Logo);
-            _ElementStartYPositions[_Logo] = scrollY;
-
-            scrollY += _Logo.Rect.H + 20f; // Update scrollY after logo
+            if (_TexLogo != null)
+            {
+                _Logo = GetNewStatic(_TexLogo, new SColorF(1, 1, 1, 1),
+                    new SRectF((float)(CSettings.RenderW - _TexLogo.OrigSize.Width) / 2, scrollY, _TexLogo.OrigSize.Width, _TexLogo.OrigSize.Height, -2));
+                _Logo.Visible = false;
+                _AddStatic(_Logo);
+                _ScrollingElements.Add(_Logo);
+                _ElementStartYPositions[_Logo] = scrollY;
+        
+                scrollY += _Logo.Rect.H + 20f; // Update scrollY after logo
+            }
 
             // Helper variables for font sizes
             int bigHeadlineSize = 45;
@@ -221,7 +217,7 @@ namespace Vocaluxe.Screens
                     case Keys.Escape:
                     case Keys.Back:
                     case Keys.Enter:
-                        CGraphics.FadeTo(EScreen.Main);
+                        _LeaveScreen();
                         break;
                 }
             }
@@ -232,15 +228,35 @@ namespace Vocaluxe.Screens
         public override bool HandleMouse(SMouseEvent mouseEvent)
         {
             if (mouseEvent.LB || mouseEvent.RB)
-                CGraphics.FadeTo(EScreen.Main);
+                _LeaveScreen();
             return true;
         }
 
         public override bool UpdateGame()
         {
-            if (!_Animation() && CGraphics.NextScreen != CGraphics.GetScreen(EScreen.Main))
-                CGraphics.FadeTo(EScreen.Main);
-            return true;
+            if (_BackgroundVideo != null)
+               {
+                   float deltaTime = (_ScrollTimer.ElapsedMilliseconds - _previousVideoElapsedMilliseconds) / 1000f;
+                   _previousVideoElapsedMilliseconds = _ScrollTimer.ElapsedMilliseconds;
+
+                   _BackgroundVideoTime += deltaTime;
+
+                   float videoLength = CVideo.GetLength(_BackgroundVideo);
+
+                   // Keep time within video length to avoid seeking backward
+                   if (_BackgroundVideoTime >= videoLength)
+                   {
+                       _BackgroundVideoTime -= videoLength;
+                   }
+                   
+                   CVideo.GetFrame(_BackgroundVideo, _BackgroundVideoTime);
+               }
+
+               if (!_Animation() && CGraphics.NextScreen != CGraphics.GetScreen(EScreen.Main))
+                   _LeaveScreen();
+
+               return true;
+
         }
 
         public override void OnShow()
@@ -262,8 +278,25 @@ namespace Vocaluxe.Screens
                     }
                 }
             }
+            
+            _previousVideoElapsedMilliseconds = 0f;
+
+            string path = Path.Combine(CSettings.ProgramFolder, CSettings.FolderNameGraphics, CSettings.FileNameCreditsVideo);
+            if (File.Exists(path))
+            {
+                // Load the video if not already loaded
+                if (_BackgroundVideo == null)
+                {
+                    _BackgroundVideo = CVideo.Load(path);
+                    CVideo.SetLoop(_BackgroundVideo, true); // Set the video to loop
+                }
+
+            }
+            else
+            {
+                CLog.Error("Background video not found: " + path);
+            }
 
-            // Set all elements to visible immediately
             foreach (dynamic element in _ScrollingElements)
             {
                 element.Visible = true;
@@ -272,17 +305,46 @@ namespace Vocaluxe.Screens
             // Start the scroll timer immediately
             _ScrollTimer.Reset();
             _ScrollTimer.Start();
-            _previousElapsedMilliseconds = 0;
+            _previousAnimationElapsedMilliseconds = 0;
+            _BackgroundVideoTime = 0f;
+
+            foreach (dynamic element in _ScrollingElements)
+            {
+                element.Visible = true;
+            }
         }
 
+        public override void Draw()
+        {
+            if (_Active && _BackgroundVideo != null && _BackgroundVideo.Texture != null)
+            {
+                CTextureRef background = _BackgroundVideo.Texture;
+                SRectF bounds = CSettings.RenderRect;
+                SRectF rect = CHelper.FitInBounds(bounds, background.OrigAspect, EAspect.Crop);
+                CDraw.DrawTexture(background, rect, background.Color, bounds);
+            }
+
+            base.Draw();
+        }
+
+        private void _LeaveScreen()
+        {
+            CGraphics.FadeTo(EScreen.Options);
+
+            if (_BackgroundVideo != null)
+            {
+                CVideo.Close(ref _BackgroundVideo);
+                _BackgroundVideo = null;
+            }
+        }
         
         private bool _Animation()
         {
             if (!_ScrollTimer.IsRunning)
                 return false;
 
-            float deltaTime = (_ScrollTimer.ElapsedMilliseconds - _previousElapsedMilliseconds) / 1000f; // Convert milliseconds to seconds
-            _previousElapsedMilliseconds = _ScrollTimer.ElapsedMilliseconds;
+            float deltaTime = (_ScrollTimer.ElapsedMilliseconds - _previousAnimationElapsedMilliseconds) / 1000f; // Convert milliseconds to seconds
+            _previousAnimationElapsedMilliseconds = _ScrollTimer.ElapsedMilliseconds;
 
             float scrollSpeed = 60f;