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|
unit USong;
interface
{$IFDEF FPC}
{$MODE Delphi}
{$ENDIF}
{$I switches.inc}
uses
{$IFDEF MSWINDOWS}
Windows,
{$ELSE}
{$IFNDEF DARWIN}
syscall,
{$ENDIF}
baseunix,
UnixType,
{$ENDIF}
SysUtils,
Classes,
UPlatform,
ULog,
UTexture,
UCommon,
{$IFDEF DARWIN}
cthreads,
{$ENDIF}
{$IFDEF USE_PSEUDO_THREAD}
PseudoThread,
{$ENDIF}
UCatCovers;
type
TSingMode = ( smNormal, smPartyMode, smPlaylistRandom );
TBPM = record
BPM: real;
StartBeat: real;
end;
TScore = record
Name: widestring;
Score: integer;
Length: string;
end;
TSong = class
FileLineNo : integer; //Line which is readed at Last, for error reporting
procedure ParseNote(LineNumber: integer; TypeP: char; StartP, DurationP, NoteP: integer; LyricS: string);
procedure NewSentence(LineNumberP: integer; Param1, Param2: integer);
function ReadTXTHeader( const aFileName : WideString ): boolean;
public
Path: widestring;
Folder: widestring; // for sorting by folder
fFileName,
FileName: widestring;
// sorting methods
Category: array of widestring; // I think I won't need this
Genre: widestring;
Edition: widestring;
Language: widestring; // 0.5.0: new
Title: widestring;
Artist: widestring;
Text: widestring;
Creator: widestring;
Cover: widestring;
CoverTex: TTexture;
Mp3: widestring;
Background: widestring;
Video: widestring;
VideoGAP: real;
VideoLoaded: boolean; // 0.5.0: true if the video has been loaded
NotesGAP: integer;
Start: real; // in seconds
Finish: integer; // in miliseconds
Relative: boolean;
Resolution: integer;
BPM: array of TBPM;
GAP: real; // in miliseconds
Score: array[0..2] of array of TScore;
// these are used when sorting is enabled
Visible: boolean; // false if hidden, true if visible
Main: boolean; // false for songs, true for category buttons
OrderNum: integer; // has a number of category for category buttons and songs
OrderTyp: integer; // type of sorting for this button (0=name)
CatNumber: integer; // Count of Songs in Category for Cats and Number of Song in Category for Songs
SongFile: TextFile; // all procedures in this unit operates on this file
Base : array[0..1] of integer;
Rel : array[0..1] of integer;
Mult : integer;
MultBPM : integer;
constructor create ( const aFileName : WideString );
function LoadSong: boolean;
function Analyse(): boolean;
procedure clear();
end;
implementation
uses
TextGL,
UIni,
UMusic, //needed for Lines
UMain; //needed for Player
constructor TSong.create( const aFileName : WideString );
begin
Mult := 1;
MultBPM := 4;
fFileName := aFileName;
if fileexists( aFileName ) then
begin
self.Path := ExtractFilePath( aFileName );
self.Folder := ExtractFilePath( aFileName );
self.FileName := ExtractFileName( aFileName );
(*
if ReadTXTHeader( aFileName ) then
begin
LoadSong();
end
else
begin
Log.LogError('Error Loading SongHeader, abort Song Loading');
Exit;
end;
*)
end;
end;
function TSong.LoadSong(): boolean;
var
TempC: char;
Text: string;
CP: integer; // Current Player (0 or 1)
Count: integer;
Both: boolean;
Param1: integer;
Param2: integer;
Param3: integer;
ParamS: string;
I: Integer;
begin
Result := false;
if not FileExists(Path + PathDelim + FileName) then
begin
Log.LogError('File not found: "' + Path + PathDelim + FileName + '"', 'TSong.LoadSong()');
exit;
end;
MultBPM := 4; // multiply beat-count of note by 4
Mult := 1; // accuracy of measurement of note
Base[0] := 100; // high number
Lines[0].NoteType := 0;
self.Relative := false;
Rel[0] := 0;
CP := 0;
Both := false;
if Length(Player) = 2 then
Both := true;
try
// Open song file for reading.....
FileMode := fmOpenRead;
AssignFile(SongFile, fFileName);
Reset(SongFile);
//Clear old Song Header
if (self.Path = '') then
self.Path := ExtractFilePath(FileName);
if (self.FileName = '') then
self.Filename := ExtractFileName(FileName);
Result := False;
Reset(SongFile);
FileLineNo := 0;
//Search for Note Begining
repeat
ReadLn(SongFile, Text);
Inc(FileLineNo);
if (EoF(SongFile)) then
begin //Song File Corrupted - No Notes
CloseFile(SongFile);
Log.LogError('Could not load txt File, no Notes found: ' + FileName);
Result := False;
Exit;
end;
Read(SongFile, TempC);
until ((TempC = ':') or (TempC = 'F') or (TempC = '*'));
SetLength(Lines, 2);
for Count := 0 to High(Lines) do begin
SetLength(Lines[Count].Line, 1);
Lines[Count].High := 0;
Lines[Count].Number := 1;
Lines[Count].Current := 0;
Lines[Count].Resolution := self.Resolution;
Lines[Count].NotesGAP := self.NotesGAP;
Lines[Count].Line[0].IlNut := 0;
Lines[Count].Line[0].HighNote := -1;
end;
// TempC := ':';
// TempC := Text[1]; // read from backup variable, don't use default ':' value
while (TempC <> 'E') AND (not EOF(SongFile)) do
begin
if (TempC = ':') or (TempC = '*') or (TempC = 'F') then begin
// read notes
Read(SongFile, Param1);
Read(SongFile, Param2);
Read(SongFile, Param3);
Read(SongFile, ParamS);
//Check for ZeroNote
if Param2 = 0 then Log.LogError('Error: Found ZeroNote at "'+TempC+' '+IntToStr(Param1)+' '+IntToStr(Param2)+' '+IntToStr(Param3)+' '+ParamS+'" -> Note ignored!') else
begin
// add notes
if not Both then
// P1
ParseNote(0, TempC, (Param1+Rel[0]) * Mult, Param2 * Mult, Param3, ParamS)
else begin
// P1 + P2
ParseNote(0, TempC, (Param1+Rel[0]) * Mult, Param2 * Mult, Param3, ParamS);
ParseNote(1, TempC, (Param1+Rel[1]) * Mult, Param2 * Mult, Param3, ParamS);
end;
end; //Zeronote check
end; // if
if TempC = '-' then
begin
// reads sentence
Read(SongFile, Param1);
if self.Relative then Read(SongFile, Param2); // read one more data for relative system
// new sentence
if not Both then
// P1
NewSentence(0, (Param1 + Rel[0]) * Mult, Param2)
else begin
// P1 + P2
NewSentence(0, (Param1 + Rel[0]) * Mult, Param2);
NewSentence(1, (Param1 + Rel[1]) * Mult, Param2);
end;
end; // if
if TempC = 'B' then
begin
SetLength(self.BPM, Length(self.BPM) + 1);
Read(SongFile, self.BPM[High(self.BPM)].StartBeat);
self.BPM[High(self.BPM)].StartBeat := self.BPM[High(self.BPM)].StartBeat + Rel[0];
Read(SongFile, Text);
self.BPM[High(self.BPM)].BPM := StrToFloat(Text);
self.BPM[High(self.BPM)].BPM := self.BPM[High(self.BPM)].BPM * Mult * MultBPM;
end;
if not Both then
begin
Lines[CP].Line[Lines[CP].High].BaseNote := Base[CP];
Lines[CP].Line[Lines[CP].High].LyricWidth := glTextWidth(PChar(Lines[CP].Line[Lines[CP].High].Lyric));
//Total Notes Patch
Lines[CP].Line[Lines[CP].High].TotalNotes := 0;
for I := low(Lines[CP].Line[Lines[CP].High].Note) to high(Lines[CP].Line[Lines[CP].High].Note) do
begin
Lines[CP].Line[Lines[CP].High].TotalNotes := Lines[CP].Line[Lines[CP].High].TotalNotes + Lines[CP].Line[Lines[CP].High].Note[I].Lenght * Lines[CP].Line[Lines[CP].High].Note[I].NoteType;
end;
//Total Notes Patch End
end else begin
for Count := 0 to High(Lines) do begin
Lines[Count].Line[Lines[Count].High].BaseNote := Base[Count];
Lines[Count].Line[Lines[Count].High].LyricWidth := glTextWidth(PChar(Lines[Count].Line[Lines[Count].High].Lyric));
//Total Notes Patch
Lines[Count].Line[Lines[Count].High].TotalNotes := 0;
for I := low(Lines[Count].Line[Lines[Count].High].Note) to high(Lines[Count].Line[Lines[Count].High].Note) do
begin
Lines[Count].Line[Lines[Count].High].TotalNotes := Lines[Count].Line[Lines[Count].High].TotalNotes + Lines[Count].Line[Lines[Count].High].Note[I].Lenght * Lines[Count].Line[Lines[Count].High].Note[I].NoteType;
end;
//Total Notes Patch End
end;
end;
Read(SongFile, TempC);
Inc(FileLineNo);
end; // while}
CloseFile(SongFile);
except
try
CloseFile(SongFile);
except
end;
Log.LogError('Error Loading File: "' + fFileName + '" in Line ' + inttostr(FileLineNo));
exit;
end;
Result := true;
end;
function TSong.ReadTXTHeader(const aFileName : WideString): boolean;
function song_StrtoFloat( aValue : String ) : Extended;
var
lValue : String;
lOldDecimalSeparator : Char;
begin
lValue := aValue;
if (Pos(',', lValue) <> 0) then
lValue[Pos(',', lValue)] := '.';
Result := StrToFloatDef(lValue, 0);
end;
var
Line, Identifier, Value: String;
Temp : word;
Done : byte;
begin
Result := true;
Done := 0;
//Read first Line
ReadLn (SongFile, Line);
if (Length(Line)<=0) then
begin
Log.LogError('File Starts with Empty Line: ' + aFileName);
Result := False;
Exit;
end;
//Read Lines while Line starts with # or its empty
While ( Length(Line) = 0 ) OR
( Line[1] = '#' ) DO
begin
//Increase Line Number
Inc (FileLineNo);
Temp := Pos(':', Line);
//Line has a Seperator-> Headerline
if (Temp <> 0) then
begin
//Read Identifier and Value
Identifier := Uppercase(Trim(Copy(Line, 2, Temp - 2))); //Uppercase is for Case Insensitive Checks
Value := Trim(Copy(Line, Temp + 1,Length(Line) - Temp));
//Check the Identifier (If Value is given)
if (Length(Value) <> 0) then
begin
//-----------
//Required Attributes
//-----------
{$IFDEF UTF8_FILENAMES}
if ((Identifier = 'MP3') or (Identifier = 'BACKGROUND') or (Identifier = 'COVER') or (Identifier = 'VIDEO')) then
Value := Utf8Encode(Value);
{$ENDIF}
//Title
if (Identifier = 'TITLE') then
begin
self.Title := Value;
//Add Title Flag to Done
Done := Done or 1;
end
//Artist
else if (Identifier = 'ARTIST') then
begin
self.Artist := Value;
//Add Artist Flag to Done
Done := Done or 2;
end
//MP3 File //Test if Exists
else if (Identifier = 'MP3') AND
(FileExists(self.Path + Value)) then
begin
self.Mp3 := Value;
//Add Mp3 Flag to Done
Done := Done or 4;
end
//Beats per Minute
else if (Identifier = 'BPM') then
begin
SetLength(self.BPM, 1);
self.BPM[0].StartBeat := 0;
self.BPM[0].BPM := song_StrtoFloat( Value ) * Mult * MultBPM;
if self.BPM[0].BPM <> 0 then
begin
//Add BPM Flag to Done
Done := Done or 8;
end;
end
//---------
//Additional Header Information
//---------
// Video Gap
else if (Identifier = 'GAP') then
self.GAP := song_StrtoFloat( Value )
//Cover Picture
else if (Identifier = 'COVER') then
self.Cover := Value
//Background Picture
else if (Identifier = 'BACKGROUND') then
self.Background := Value
// Video File
else if (Identifier = 'VIDEO') then
begin
if (FileExists(self.Path + Value)) then
self.Video := Value
else
Log.LogError('Can''t find Video File in Song: ' + aFileName);
end
// Video Gap
else if (Identifier = 'VIDEOGAP') then
self.VideoGAP := song_StrtoFloat( Value )
//Genre Sorting
else if (Identifier = 'GENRE') then
self.Genre := Value
//Edition Sorting
else if (Identifier = 'EDITION') then
self.Edition := Value
//Creator Tag
else if (Identifier = 'CREATOR') then
self.Creator := Value
//Language Sorting
else if (Identifier = 'LANGUAGE') then
self.Language := Value
// Song Start
else if (Identifier = 'START') then
self.Start := song_StrtoFloat( Value )
// Song Ending
else if (Identifier = 'END') then
TryStrtoInt(Value, self.Finish)
// Resolution
else if (Identifier = 'RESOLUTION') then
TryStrtoInt(Value, self.Resolution)
// Notes Gap
else if (Identifier = 'NOTESGAP') then
TryStrtoInt(Value, self.NotesGAP)
// Relative Notes
else if (Identifier = 'RELATIVE') AND (uppercase(Value) = 'YES') then
self.Relative := True;
end;
end;
if not EOf(SongFile) then
ReadLn (SongFile, Line)
else
begin
Result := False;
Log.LogError('File Incomplete or not Ultrastar TxT (A): ' + aFileName);
break;
end;
end;
if self.Cover = '' then
self.Cover := platform.FindSongFile(Path, '*[CO].jpg');
//Check if all Required Values are given
if (Done <> 15) then
begin
Result := False;
if (Done and 8) = 0 then //No BPM Flag
Log.LogError('BPM Tag Missing: ' + self.FileName)
else if (Done and 4) = 0 then //No MP3 Flag
Log.LogError('MP3 Tag/File Missing: ' + self.FileName)
else if (Done and 2) = 0 then //No Artist Flag
Log.LogError('Artist Tag Missing: ' + self.FileName)
else if (Done and 1) = 0 then //No Title Flag
Log.LogError('Title Tag Missing: ' + self.FileName)
else //unknown Error
Log.LogError('File Incomplete or not Ultrastar TxT (B - '+ inttostr(Done) +'): ' + aFileName);
end;
end;
procedure TSong.ParseNote(LineNumber: integer; TypeP: char; StartP, DurationP, NoteP: integer; LyricS: string);
var
Space: boolean;
begin
case Ini.Solmization of
1: // european
begin
case (NoteP mod 12) of
0..1: LyricS := ' do ';
2..3: LyricS := ' re ';
4: LyricS := ' mi ';
5..6: LyricS := ' fa ';
7..8: LyricS := ' sol ';
9..10: LyricS := ' la ';
11: LyricS := ' si ';
end;
end;
2: // japanese
begin
case (NoteP mod 12) of
0..1: LyricS := ' do ';
2..3: LyricS := ' re ';
4: LyricS := ' mi ';
5..6: LyricS := ' fa ';
7..8: LyricS := ' so ';
9..10: LyricS := ' la ';
11: LyricS := ' shi ';
end;
end;
3: // american
begin
case (NoteP mod 12) of
0..1: LyricS := ' do ';
2..3: LyricS := ' re ';
4: LyricS := ' mi ';
5..6: LyricS := ' fa ';
7..8: LyricS := ' sol ';
9..10: LyricS := ' la ';
11: LyricS := ' ti ';
end;
end;
end; // case
with Lines[LineNumber].Line[Lines[LineNumber].High] do begin
SetLength(Note, Length(Note) + 1);
IlNut := IlNut + 1;
HighNote := HighNote + 1;
Melody.IlNut := Melody.IlNut + 1;
Note[HighNote].Start := StartP;
if IlNut = 1 then begin
StartNote := Note[HighNote].Start;
if Lines[LineNumber].Number = 1 then
Start := -100;
// Start := Note[HighNote].Start;
end;
Note[HighNote].Lenght := DurationP;
Melody.NoteLenght := Melody.NoteLenght + Note[HighNote].Lenght;
// back to the normal system with normal, golden and now freestyle notes
case TypeP of
'F': Note[HighNote].NoteType := 0;
':': Note[HighNote].NoteType := 1;
'*': Note[HighNote].NoteType := 2;
end;
Lines[LineNumber].NoteType := Lines[LineNumber].NoteType + Note[HighNote].Lenght * Note[HighNote].NoteType;
Note[HighNote].Tone := NoteP;
if Note[HighNote].Tone < Base[LineNumber] then Base[LineNumber] := Note[HighNote].Tone;
Note[HighNote].ToneGamus := Note[HighNote].ToneGamus mod 12;
Note[HighNote].Text := Copy(LyricS, 2, 100);
Lyric := Lyric + Note[HighNote].Text;
if TypeP = 'F' then
Note[HighNote].FreeStyle := true;
End_ := Note[HighNote].Start + Note[HighNote].Lenght;
end; // with
end;
procedure TSong.NewSentence(LineNumberP: integer; Param1, Param2: integer);
var
I: Integer;
begin
// stara czesc //Alter Satz //Update Old Part
Lines[LineNumberP].Line[Lines[LineNumberP].High].BaseNote := Base[LineNumberP];
Lines[LineNumberP].Line[Lines[LineNumberP].High].LyricWidth := glTextWidth(PChar(Lines[LineNumberP].Line[Lines[LineNumberP].High].Lyric));
//Total Notes Patch
Lines[LineNumberP].Line[Lines[LineNumberP].High].TotalNotes := 0;
for I := low(Lines[LineNumberP].Line[Lines[LineNumberP].High].Note) to high(Lines[LineNumberP].Line[Lines[LineNumberP].High].Note) do
begin
Lines[LineNumberP].Line[Lines[LineNumberP].High].TotalNotes := Lines[LineNumberP].Line[Lines[LineNumberP].High].TotalNotes + Lines[LineNumberP].Line[Lines[LineNumberP].High].Note[I].Lenght * Lines[LineNumberP].Line[Lines[LineNumberP].High].Note[I].NoteType;
end;
//Total Notes Patch End
// nowa czesc //Neuer Satz //Update New Part
SetLength(Lines[LineNumberP].Line, Lines[LineNumberP].Number + 1);
Lines[LineNumberP].High := Lines[LineNumberP].High + 1;
Lines[LineNumberP].Number := Lines[LineNumberP].Number + 1;
Lines[LineNumberP].Line[Lines[LineNumberP].High].HighNote := -1;
if self.Relative then
begin
Lines[LineNumberP].Line[Lines[LineNumberP].High].Start := Param1;
Rel[LineNumberP] := Rel[LineNumberP] + Param2;
end
else
Lines[LineNumberP].Line[Lines[LineNumberP].High].Start := Param1;
Base[LineNumberP] := 100; // high number
end;
procedure TSong.clear();
begin
//Main Information
Title := '';
Artist := '';
//Sortings:
Genre := 'Unknown';
Edition := 'Unknown';
Language := 'Unknown'; //Language Patch
//Required Information
Mp3 := '';
{$IFDEF FPC}
setlength( BPM, 0 );
{$ELSE}
BPM := nil;
{$ENDIF}
GAP := 0;
Start := 0;
Finish := 0;
//Additional Information
Background := '';
Cover := '';
Video := '';
VideoGAP := 0;
NotesGAP := 0;
Resolution := 4;
Creator := '';
end;
function TSong.Analyse(): boolean;
begin
Result := False;
//Reset LineNo
FileLineNo := 0;
//Open File and set File Pointer to the beginning
AssignFile(SongFile, self.Path + self.FileName);
try
Reset(SongFile);
//Clear old Song Header
self.clear;
//Read Header
Result := self.ReadTxTHeader( FileName )
//And Close File
finally
CloseFile(SongFile);
end;
end;
end.
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