{* 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 UFiles;

interface

{$IFDEF FPC}
  {$MODE Delphi}
{$ENDIF}
{$I switches.inc}

uses
  SysUtils,
  ULog,
  UMusic,
  USongs,
  USong;

procedure ResetSingTemp;

function  SaveSong(Song: TSong; Lines: TLines; Name: string; Relative: boolean): boolean;

var
  SongFile: TextFile;   // all procedures in this unit operates on this file
  FileLineNo: integer;  //Line which is readed at Last, for error reporting

  // variables available for all procedures
  Base    : array[0..1] of integer;
  Rel     : array[0..1] of integer;
  Mult    : integer = 1;
  MultBPM : integer = 4;

implementation

uses
  TextGL,
  UIni,
  UPlatform,
  UMain;

//--------------------
// Resets the temporary Sentence Arrays for each Player and some other Variables
//--------------------
procedure ResetSingTemp;
var
  Count:  integer;
begin
  SetLength(Lines, Length(Player));
  for Count := 0 to High(Player) do begin
    SetLength(Lines[Count].Line, 1);
    SetLength(Lines[Count].Line[0].Note, 0);
    Lines[Count].Line[0].Lyric := '';
    Lines[Count].Line[0].LyricWidth := 0;
    Player[Count].Score := 0;
    Player[Count].LengthNote := 0;
    Player[Count].HighNote := -1;
  end;

  (* FIXME
  //Reset Path and Filename Values to Prevent Errors in Editor
  if assigned( CurrentSong ) then
  begin
    SetLength(CurrentSong.BPM, 0);
    CurrentSong.Path := '';
    CurrentSong.FileName := '';
  end;
  *)
  
//  CurrentSong := nil;
end;


//--------------------
// Saves a Song
//--------------------
function SaveSong(Song: TSong; Lines: TLines; Name: string; Relative: boolean): boolean;
var
  C:      integer;
  N:      integer;
  S:      string;
  B:      integer;
  RelativeSubTime:    integer;
  NoteState: String;

begin
//  Relative := true; // override (idea - use shift+S to save with relative)
  AssignFile(SongFile, Name);
  Rewrite(SongFile);

  Writeln(SongFile, '#TITLE:' + Song.Title + '');
  Writeln(SongFile, '#ARTIST:' + Song.Artist);

  if Song.Creator     <> '' then    Writeln(SongFile, '#CREATOR:'     + Song.Creator);
  if Song.Edition     <> 'Unknown' then Writeln(SongFile, '#EDITION:' + Song.Edition);
  if Song.Genre       <> 'Unknown' then   Writeln(SongFile, '#GENRE:' + Song.Genre);
  if Song.Language    <> 'Unknown' then    Writeln(SongFile, '#LANGUAGE:'    + Song.Language);

  Writeln(SongFile, '#MP3:' + Song.Mp3);

  if Song.Cover       <> '' then    Writeln(SongFile, '#COVER:'       + Song.Cover);
  if Song.Background  <> '' then    Writeln(SongFile, '#BACKGROUND:'  + Song.Background);
  if Song.Video       <> '' then    Writeln(SongFile, '#VIDEO:'       + Song.Video);
  if Song.VideoGAP    <> 0  then    Writeln(SongFile, '#VIDEOGAP:'    + FloatToStr(Song.VideoGAP));
  if Song.Resolution  <> 4  then    Writeln(SongFile, '#RESOLUTION:'  + IntToStr(Song.Resolution));
  if Song.NotesGAP    <> 0  then    Writeln(SongFile, '#NOTESGAP:'    + IntToStr(Song.NotesGAP));
  if Song.Start       <> 0  then    Writeln(SongFile, '#START:'       + FloatToStr(Song.Start));
  if Song.Finish      <> 0  then    Writeln(SongFile, '#END:'         + IntToStr(Song.Finish));
  if Relative               then    Writeln(SongFile, '#RELATIVE:yes');

  Writeln(SongFile, '#BPM:' + FloatToStr(Song.BPM[0].BPM / 4));
  Writeln(SongFile, '#GAP:' + FloatToStr(Song.GAP));

  RelativeSubTime := 0;
  for B := 1 to High(CurrentSong.BPM) do
    Writeln(SongFile, 'B ' + FloatToStr(CurrentSong.BPM[B].StartBeat) + ' ' + FloatToStr(CurrentSong.BPM[B].BPM/4));

  for C := 0 to Lines.High do begin
    for N := 0 to Lines.Line[C].HighNote do begin
      with Lines.Line[C].Note[N] do begin


        //Golden + Freestyle Note Patch
        case Lines.Line[C].Note[N].NoteType of
          ntFreestyle: NoteState := 'F ';
          ntNormal: NoteState := ': ';
          ntGolden: NoteState := '* ';
        end; // case
        S := NoteState + IntToStr(Start-RelativeSubTime) + ' ' + IntToStr(Length) + ' ' + IntToStr(Tone) + ' ' + Text;


        Writeln(SongFile, S);
      end; // with
    end; // N

    if C < Lines.High then begin      // don't write end of last sentence
      if not Relative then
        S := '- ' + IntToStr(Lines.Line[C+1].Start)
      else begin
        S := '- ' + IntToStr(Lines.Line[C+1].Start - RelativeSubTime) +
          ' ' + IntToStr(Lines.Line[C+1].Start - RelativeSubTime);
        RelativeSubTime := Lines.Line[C+1].Start;
      end;
      Writeln(SongFile, S);
    end;

  end; // C


  Writeln(SongFile, 'E');
  CloseFile(SongFile);

  Result := true;
end;

end.