Runtime Song Addition

jira:USDX-157

git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/trunk@553 b956fd51-792f-4845-bead-9b4dfca2ff2c

1 files changed, 91 insertions, 4 deletions

diff --git a/Game/Code/Screens/UScreenSong.pas b/Game/Code/Screens/UScreenSong.pas
index 85c38c26..bd9e5e67 100644
--- a/Game/Code/Screens/UScreenSong.pas
+++ b/Game/Code/Screens/UScreenSong.pas
@@ -92,6 +92,7 @@ type
       procedure SetScroll6;
       function ParseInput(PressedKey: Cardinal; ScanCode: byte; PressedDown: Boolean): Boolean; override;
       function Draw: boolean; override;
+      procedure GenerateThumbnails();
       procedure onShow; override;
       procedure onHide; override;
       procedure SelectNext;
@@ -696,9 +697,9 @@ end;
 
 constructor TScreenSong.Create;
 var
-  Pet:    integer;
+//  Pet:    integer;
   I:      integer;
-Label CreateSongButtons;
+//Label CreateSongButtons;
 begin
   inherited Create;
 
@@ -755,6 +756,8 @@ begin
 //  Songs.LoadSongList; // moved to the UltraStar unit
   CatSongs.Refresh;
 
+  GenerateThumbnails();
+(*
   if (length(CatSongs.Song) > 0) then
   begin
     //Set Length of Button Array one Time Instead of one time for every Song
@@ -830,6 +833,7 @@ begin
       GoTo CreateSongButtons;
 
   end;
+*)
 
   // Randomize Patch
   Randomize;
@@ -843,6 +847,89 @@ begin
     Interaction := 0;
 end;
 
+procedure TScreenSong.GenerateThumbnails();
+var
+  I  : Integer;
+  Pet: integer;  
+Label CreateSongButtons;  
+begin
+  if (length(CatSongs.Song) > 0) then
+  begin
+    //Set Length of Button Array one Time Instead of one time for every Song
+    SetButtonLength(Length(CatSongs.Song));
+
+    I := 0;
+    CreateSongButtons:
+
+    try
+      for Pet := I to High(CatSongs.Song) do begin // creating all buttons
+        // new
+        Texture.Limit := 512;// 256 0.4.2 value, 512 in 0.5.0
+
+        if not FileExists(CatSongs.Song[Pet].Path + CatSongs.Song[Pet].Cover) then
+          CatSongs.Song[Pet].Cover := ''; // 0.5.0: if cover not found then show 'no cover'
+
+        if CatSongs.Song[Pet].Cover = '' then
+          AddButton(300 + Pet*250, 140, 200, 200, Skin.GetTextureFileName('SongCover'), 'JPG', 'Plain', Theme.Song.Cover.Reflections)
+        else begin
+          // cache texture if there is a need to this
+          if not Covers.CoverExists(CatSongs.Song[Pet].Path + CatSongs.Song[Pet].Cover) then
+          begin
+            Texture.CreateCacheMipmap := true;
+            Texture.GetTexture(CatSongs.Song[Pet].Path + CatSongs.Song[Pet].Cover, 'Plain', true); // preloads textures and creates cache mipmap
+            Texture.CreateCacheMipmap := false;
+
+            // puts this texture to the cache file
+            Covers.AddCover(CatSongs.Song[Pet].Path + CatSongs.Song[Pet].Cover);
+
+            // unload full size texture
+            Texture.UnloadTexture(CatSongs.Song[Pet].Path + CatSongs.Song[Pet].Cover, false);
+
+            // we should also add mipmap texture by calling createtexture and use mipmap cache as data source
+          end;
+
+          // and now load it from cache file (small place for the optimization by eliminating reading it from file, but not here)
+          AddButton(300 + Pet*250, 140, 200, 200, CatSongs.Song[Pet].Path + CatSongs.Song[Pet].Cover, 'JPG', 'Plain', Theme.Song.Cover.Reflections);
+        end;
+        Texture.Limit := 1024*1024;
+        I := -1;
+      end;
+    except
+      //When Error is reported the First time for this Song
+      if (I <> Pet) then
+      begin
+        //Some Error reporting:
+        Log.LogError('Could not load Cover: ' + CatSongs.Song[Pet].Cover);
+
+        //Change Cover to NoCover and Continue Loading
+        CatSongs.Song[Pet].Cover := '';
+        I := Pet;
+      end
+      else //when Error occurs Multiple Times(NoSong Cover is damaged), then start loading next Song
+      begin
+        Log.LogError('NoCover Cover is damaged!');
+        try
+          AddButton(300 + Pet*250, 140, 200, 200, '', 'JPG', 'Plain', Theme.Song.Cover.Reflections);
+        except
+          {$IFDEF MSWINDOWS}
+          Messagebox(0, PChar('No Cover Image is damage. Could not Workaround Song Loading, Ultrastar will exit now.'), PChar(Language.Translate('US_VERSION')), MB_ICONERROR or MB_OK);
+          {$ELSE}
+          // TODO : JB_linux - better handle this message and display to user..
+          writeln( 'No Cover Image is damage. Could not Workaround Song Loading, Ultrastar will exit now.');
+          Log.LogError( 'No Cover Image is damage. Could not Workaround Song Loading, Ultrastar will exit now.' );
+          {$ENDIF}
+          Halt;
+        end;
+        I := Pet + 1;
+      end;
+    end;
+
+    if (I <> -1) then
+      GoTo CreateSongButtons;
+
+  end;
+end;
+
 procedure TScreenSong.SetScroll;
 var
   VS, B: Integer;
@@ -1418,7 +1505,7 @@ begin
   AudioPlayback.Stop;
 
   if Ini.Players <= 3 then PlayersPlay := Ini.Players + 1;
-  if Ini.Players = 4 then PlayersPlay := 6;
+  if Ini.Players  = 4 then PlayersPlay := 6;
 
   //Cat Mod etc
     if (Ini.Tabs_at_startup = 1) AND (CatSongs.CatNumShow = -1) then
@@ -1701,7 +1788,7 @@ begin
   UnLoadDetailedCover;
 
   Interaction := High(CatSongs.Song);
-  SongTarget := 0;
+  SongTarget  := 0;
 
   for I := 1 to Target+1 do
     SelectNext;