create experimental songmanagement branch

  - nicer abstraction of songs
  - split songloading from handling songs
  - cleanup singscreen

git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/branches/experimental@2706 b956fd51-792f-4845-bead-9b4dfca2ff2c

1 files changed, 284 insertions, 0 deletions

diff --git a/songmanagement/src/screens/UScreenPartyOptions.pas b/songmanagement/src/screens/UScreenPartyOptions.pas
new file mode 100644
index 00000000..f63b37fb
--- /dev/null
+++ b/songmanagement/src/screens/UScreenPartyOptions.pas
@@ -0,0 +1,284 @@
+{* UltraStar Deluxe - Karaoke Game
+ *
+ * UltraStar Deluxe is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * 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 this program; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *}
+
+unit UScreenPartyOptions;
+
+interface
+
+{$IFDEF FPC}
+  {$MODE Delphi}
+{$ENDIF}
+
+{$I switches.inc}
+
+uses
+  UMenu,
+  SDL,
+  UDisplay,
+  UMusic,
+  UFiles,
+  SysUtils,
+  UThemes;
+
+type
+  TScreenPartyOptions = class(TMenu)
+    private
+      SelectLevel:     cardinal;
+      SelectPlayList:  cardinal;
+      SelectPlayList2: cardinal;
+      SelectRounds:    cardinal;
+
+      IPlaylist: array[0..2] of UTF8String;
+      IPlaylist2: array of UTF8String;
+
+      PlayList:  integer;
+      PlayList2: integer;
+      
+      procedure SetPlaylist2;
+    public 
+      constructor Create; override;
+      function ParseInput(PressedKey: cardinal; CharCode: UCS4Char; PressedDown: boolean): boolean; override;
+      procedure OnShow; override;
+      procedure SetAnimationProgress(Progress: real); override;
+  end;
+
+implementation
+
+uses
+  UGraphic,
+  UMain,
+  UIni,
+  UTexture,
+  ULanguage,
+  UParty,
+  USong,
+  UPlaylist,
+  USongs,
+  UUnicodeUtils;
+
+function TScreenPartyOptions.ParseInput(PressedKey: cardinal; CharCode: UCS4Char; PressedDown: boolean): boolean;
+var
+  I, J: integer;
+begin
+  Result := true;
+  if (PressedDown) then
+  begin // Key Down
+    // check normal keys
+    case UCS4UpperCase(CharCode) of
+      Ord('Q'):
+        begin
+          Result := false;
+          Exit;
+        end;
+    end;
+
+    // check special keys
+    case PressedKey of
+      SDLK_ESCAPE,
+      SDLK_BACKSPACE :
+        begin
+          AudioPlayback.PlaySound(SoundLib.Back);
+          FadeTo(@ScreenMain);
+        end;
+
+      SDLK_RETURN:
+        begin
+          //Don'T start when Playlist is Selected and there are no Playlists
+          if (Playlist = 2) and (Length(PlaylistMan.Playlists) = 0) then
+            Exit;
+
+          //Save Difficulty
+          Ini.Difficulty := SelectsS[SelectLevel].SelectedOption;
+          Ini.SaveLevel;
+
+          //Save Playlist
+          PlaylistMan.Mode := TSingMode( Playlist );
+          PlaylistMan.CurPlayList := High(cardinal);
+          //if Category Selected Search Category ID
+          if Playlist = 1 then
+          begin
+            J := -1;
+            for I := 0 to high(CatSongs.Song) do
+            begin
+              if CatSongs.Song[I].Main then
+                Inc(J);
+
+              if J = Playlist2 then
+              begin
+                PlaylistMan.CurPlayList := I;
+                Break;
+              end;
+            end;
+
+            //No Categorys or Invalid Entry
+            if PlaylistMan.CurPlayList = High(cardinal) then
+              Exit;
+          end
+          else
+            PlaylistMan.CurPlayList := Playlist2;
+
+          AudioPlayback.PlaySound(SoundLib.Start);
+          //Go to Player Screen
+          FadeTo(@ScreenPartyPlayer);
+        end;
+
+      // Up and Down could be done at the same time,
+      // but I don't want to declare variables inside
+      // functions like this one, called so many times
+      SDLK_DOWN:    InteractNext;
+      SDLK_UP:      InteractPrev;
+      SDLK_RIGHT:
+        begin
+          AudioPlayback.PlaySound(SoundLib.Option);
+          InteractInc;
+
+          //Change Playlist2 if Playlist is Changed
+          if (Interaction = 1) then
+          begin
+            SetPlaylist2;
+          end;
+        end;
+      SDLK_LEFT:
+        begin
+          AudioPlayback.PlaySound(SoundLib.Option);
+          InteractDec;
+
+          //Change Playlist2 if Playlist is Changed
+          if (Interaction = 1) then
+          begin
+            SetPlaylist2;
+          end;
+        end;
+    end;
+  end;
+end;
+
+constructor TScreenPartyOptions.Create;
+begin
+  inherited Create;
+  //Fill IPlaylist
+  IPlaylist[0] := Language.Translate('PARTY_PLAYLIST_ALL');
+  IPlaylist[1] := Language.Translate('PARTY_PLAYLIST_CATEGORY');
+  IPlaylist[2] := Language.Translate('PARTY_PLAYLIST_PLAYLIST');
+
+  //Fill IPlaylist2
+  SetLength(IPlaylist2, 1);
+  IPlaylist2[0] := '---';
+
+  //Clear all Selects
+  PlayList := 0;
+  PlayList2 := 0;
+
+  //Load Screen From Theme
+  LoadFromTheme(Theme.PartyOptions);
+
+  Theme.PartyOptions.SelectLevel.oneItemOnly := true;
+  Theme.PartyOptions.SelectLevel.showArrows := true;
+  SelectLevel     := AddSelectSlide(Theme.PartyOptions.SelectLevel, Ini.Difficulty, Theme.ILevel);
+
+  Theme.PartyOptions.SelectPlayList.oneItemOnly := true;
+  Theme.PartyOptions.SelectPlayList.showArrows := true;
+  SelectPlayList  := AddSelectSlide(Theme.PartyOptions.SelectPlayList, PlayList, IPlaylist);
+
+  Theme.PartyOptions.SelectPlayList2.oneItemOnly := true;
+  Theme.PartyOptions.SelectPlayList2.showArrows := true;
+  SelectPlayList2 := AddSelectSlide(Theme.PartyOptions.SelectPlayList2, PlayList2, IPlaylist2);
+
+  Interaction := 0;
+end;
+
+procedure TScreenPartyOptions.SetPlaylist2;
+var
+  I: integer;
+begin
+  case Playlist of
+    0:
+      begin
+        SetLength(IPlaylist2, 1);
+        IPlaylist2[0] := '---';
+      end;
+    1:
+      begin
+        SetLength(IPlaylist2, 0);
+        for I := 0 to high(CatSongs.Song) do
+        begin
+          if (CatSongs.Song[I].Main) then
+          begin
+            SetLength(IPlaylist2, Length(IPlaylist2) + 1);
+            IPlaylist2[high(IPlaylist2)] := CatSongs.Song[I].Artist;
+          end;
+        end;
+
+        if (Length(IPlaylist2) = 0) then
+        begin
+          SetLength(IPlaylist2, 1);
+          IPlaylist2[0] := 'No Categories found';
+        end;
+      end;
+    2:
+      begin
+        if (Length(PlaylistMan.Playlists) > 0) then
+        begin
+          SetLength(IPlaylist2, Length(PlaylistMan.Playlists));
+          PlaylistMan.GetNames(IPlaylist2);
+        end
+        else
+        begin
+          SetLength(IPlaylist2, 1);
+          IPlaylist2[0] := 'No Playlists found';
+        end;
+      end;
+  end;
+
+  Playlist2 := 0;
+  UpdateSelectSlideOptions(Theme.PartyOptions.SelectPlayList2, 2, IPlaylist2, Playlist2);
+end;
+
+procedure TScreenPartyOptions.OnShow;
+begin
+  inherited;
+
+  Party.Clear;
+
+  // check if there are loaded modes
+  if Party.ModesAvailable then
+  begin
+    // modes are loaded
+    Randomize;
+  end
+  else
+  begin // no modes found
+    ScreenPopupError.ShowPopup(Language.Translate('ERROR_NO_PLUGINS'));
+    Display.AbortScreenChange;
+  end;
+end;
+
+procedure TScreenPartyOptions.SetAnimationProgress(Progress: real);
+begin
+  {for I := 0 to 6 do
+    SelectS[I].Texture.ScaleW := Progress;}
+end;
+
+end.