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author | GogolNr1 <GogolNr1@b956fd51-792f-4845-bead-9b4dfca2ff2c> | 2008-07-12 11:18:58 +0000 |
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committer | GogolNr1 <GogolNr1@b956fd51-792f-4845-bead-9b4dfca2ff2c> | 2008-07-12 11:18:58 +0000 |
commit | be2e6581b4708d5f05e450e7c3d1f8e100a77bc8 (patch) | |
tree | a615d3e00bf38e1a298470d3b396a7da19fecdf0 /Game/Code/Classes/UTexture.pas | |
parent | f9ec210f514c16a1000f11d4b647decbe3a2dbdd (diff) | |
download | usdx-be2e6581b4708d5f05e450e7c3d1f8e100a77bc8.tar.gz usdx-be2e6581b4708d5f05e450e7c3d1f8e100a77bc8.tar.xz usdx-be2e6581b4708d5f05e450e7c3d1f8e100a77bc8.zip |
unit UDataBase;
interface
{$IFDEF FPC}
{$MODE Delphi}
{$ENDIF}
{$I switches.inc}
uses USongs,
USong,
SQLiteTable3;
//--------------------
//DataBaseSystem - Class including all DB Methods
//--------------------
type
TStatResult = record
Case Typ: Byte of
0: (Singer: ShortString;
Score: Word;
Difficulty: Byte;
SongArtist: ShortString;
SongTitle: ShortString);
1: (Player: ShortString;
AverageScore: Word);
2: (Artist: ShortString;
Title: ShortString;
TimesSung: Word);
3: (ArtistName: ShortString;
TimesSungtot: Word);
end;
AStatResult = Array of TStatResult;
TDataBaseSystem = class
private
ScoreDB: TSqliteDatabase;
sFilename: string;
public
property Filename: String read sFilename;
Destructor Destroy; override;
Procedure Init(const Filename: string);
procedure ReadScore(Song: TSong);
procedure AddScore(Song: TSong; Level: integer; Name: string; Score: integer);
procedure WriteScore(Song: TSong);
Function GetStats(var Stats: AStatResult; const Typ, Count: Byte; const Page: Cardinal; const Reversed: Boolean): Boolean;
Function GetTotalEntrys(const Typ: Byte): Cardinal;
Function GetStatReset: TDateTime;
end;
var
DataBase: TDataBaseSystem;
implementation
uses
IniFiles,
ULog,
StrUtils,
SysUtils;
const
cUS_Scores = 'us_scores';
cUS_Songs = 'us_songs';
cUS_Statistics_Info = 'us_statistics_info';
//--------------------
//Create - Opens Database and Create Tables if not Exist
//--------------------
Procedure TDataBaseSystem.Init(const Filename: string);
begin
Log.LogStatus('Initializing database: "'+Filename+'"', 'TDataBaseSystem.Init');
//Open Database
ScoreDB := TSqliteDatabase.Create( Filename );
sFilename := Filename;
try
//Look for Tables => When not exist Create them
if not ScoreDB.TableExists( cUS_Scores ) then
begin
ScoreDB.execsql('CREATE TABLE `'+cUS_Scores+'` (`SongID` INT( 11 ) NOT NULL , `Difficulty` INT( 1 ) NOT NULL , `Player` VARCHAR( 150 ) NOT NULL , `Score` INT( 5 ) NOT NULL );');
debugWriteln( 'TDataBaseSystem.Init - CREATED US_Scores' );
end;
if not ScoreDB.TableExists( cUS_Songs ) then
begin
ScoreDB.execsql('CREATE TABLE `'+cUS_Songs+'` (`ID` INTEGER PRIMARY KEY, `Artist` VARCHAR( 255 ) NOT NULL , `Title` VARCHAR( 255 ) NOT NULL , `TimesPlayed` int(5) NOT NULL );');
debugWriteln( 'TDataBaseSystem.Init - CREATED US_Songs' );
end;
if not ScoreDB.TableExists( cUS_Statistics_Info ) then
begin
ScoreDB.execsql('CREATE TABLE `'+cUS_Statistics_Info+'` (`ResetTime` VARCHAR(17) );');
ScoreDB.execsql('INSERT INTO `'+cUS_Statistics_Info+'` (`ResetTime`) VALUES ("'+datetimetostr(now)+'");');
debugWriteln( 'TDataBaseSystem.Init - CREATED US_Statistics_Info' );
end;
//Not possible because of String Limitation to 255 Chars //Need to rewrite Wrapper
{if not ScoreDB.TableExists('US_SongCache') then
ScoreDB.ExecSQL('CREATE TABLE `US_SongCache` (`Path` VARCHAR( 255 ) NOT NULL , `Filename` VARCHAR( 255 ) NOT NULL , `Title` VARCHAR( 255 ) NOT NULL , `Artist` VARCHAR( 255 ) NOT NULL , `Folder` VARCHAR( 255 ) NOT NULL , `Genre` VARCHAR( 255 ) NOT NULL , `Edition` VARCHAR( 255 ) NOT NULL , `Language` VARCHAR( 255 ) NOT NULL , `Creator` VARCHAR( 255 ) NOT NULL , `Cover` VARCHAR( 255 ) NOT NULL , `Background` VARCHAR( 255 ) NOT NULL , `Video` VARCHAR( 255 ) NOT NULL , `VideoGap` FLOAT NOT NULL , `Gap` FLOAT NOT NULL , `Start` FLOAT NOT NULL , `Finish` INT( 11 ) NOT NULL , `BPM` INT( 5 ) NOT NULL , `Relative` BOOLEAN NOT NULL , `NotesGap` INT( 11 ) NOT NULL);');}
finally
Log.LogInfo( cUS_Songs +' exists: ' + IfThen(ScoreDB.TableExists(cUS_Songs), 'true', 'false'),
'TDataBaseSystem.Init');
Log.LogInfo( cUS_Scores +' exists: ' + IfThen(ScoreDB.TableExists(cUS_Scores), 'true', 'false'),
'TDataBaseSystem.Init');
//ScoreDB.Free;
end;
end;
//--------------------
//Destroy - Frees Database
//--------------------
Destructor TDataBaseSystem.Destroy;
begin
Log.LogInfo('TDataBaseSystem.Free', 'TDataBaseSystem.Destroy');
freeandnil( ScoreDB );
inherited;
end;
//--------------------
//ReadScore - Read Scores into SongArray
//--------------------
procedure TDataBaseSystem.ReadScore(Song: TSong);
var
TableData: TSqliteTable;
Difficulty: Integer;
begin
if not assigned( ScoreDB ) then
exit;
//ScoreDB := TSqliteDatabase.Create(sFilename);
try
try
//Search Song in DB
TableData := ScoreDB.GetTable('SELECT `Difficulty`, `Player`, `Score` FROM `'+cUS_Scores+'` WHERE `SongID` = (SELECT `ID` FROM `us_songs` WHERE `Artist` = "' + Song.Artist + '" AND `Title` = "' + Song.Title + '" LIMIT 1) ORDER BY `Score` DESC LIMIT 15');
//Empty Old Scores
SetLength (Song.Score[0], 0);
SetLength (Song.Score[1], 0);
SetLength (Song.Score[2], 0);
while not TableData.Eof do //Go through all Entrys
begin //Add one Entry to Array
Difficulty := StrToIntDef(TableData.FieldAsString(TableData.FieldIndex['Difficulty']), -1);
if (Difficulty >= 0) AND (Difficulty <= 2) then
begin
SetLength(Song.Score[Difficulty], Length(Song.Score[Difficulty]) + 1);
Song.Score[Difficulty, high(Song.Score[Difficulty])].Name :=
TableData.FieldAsString(TableData.FieldIndex['Player']);
Song.Score[Difficulty, high(Song.Score[Difficulty])].Score :=
StrtoInt(TableData.FieldAsString(TableData.FieldIndex['Score']));
end;
TableData.Next;
end; // While not TableData.EOF
except
for Difficulty := 0 to 2 do
begin
SetLength(Song.Score[Difficulty], 1);
Song.Score[Difficulty, 1].Name := 'Error Reading ScoreDB';
end;
end;
finally
//ScoreDb.Free;
end;
end;
//--------------------
//AddScore - Add one new Score to DB
//--------------------
procedure TDataBaseSystem.AddScore(Song: TSong; Level: integer; Name: string; Score: integer);
var
ID: Integer;
TableData: TSqliteTable;
begin
if not assigned( ScoreDB ) then
exit;
//ScoreDB := TSqliteDatabase.Create(sFilename);
try
//Prevent 0 Scores from being added
if (Score > 0) then
begin
ID := ScoreDB.GetTableValue('SELECT `ID` FROM `'+cUS_Songs+'` WHERE `Artist` = "' + Song.Artist + '" AND `Title` = "' + Song.Title + '"');
if ID = 0 then //Song doesn't exist -> Create
begin
ScoreDB.ExecSQL ('INSERT INTO `'+cUS_Songs+'` ( `ID` , `Artist` , `Title` , `TimesPlayed` ) VALUES (NULL , "' + Song.Artist + '", "' + Song.Title + '", "0");');
ID := ScoreDB.GetTableValue('SELECT `ID` FROM `US_Songs` WHERE `Artist` = "' + Song.Artist + '" AND `Title` = "' + Song.Title + '"');
if ID = 0 then //Could not Create Table
exit;
end;
//Create new Entry
ScoreDB.ExecSQL('INSERT INTO `'+cUS_Scores+'` ( `SongID` , `Difficulty` , `Player` , `Score` ) VALUES ("' + InttoStr(ID) + '", "' + InttoStr(Level) + '", "' + Name + '", "' + InttoStr(Score) + '");');
//Delete Last Position when there are more than 5 Entrys
if ScoreDB.GetTableValue('SELECT COUNT(`SongID`) FROM `'+cUS_Scores+'` WHERE `SongID` = "' + InttoStr(ID) + '" AND `Difficulty` = "' + InttoStr(Level) +'"') > 5 then
begin
TableData := ScoreDB.GetTable('SELECT `Player`, `Score` FROM `'+cUS_Scores+'` WHERE SongID = "' + InttoStr(ID) + '" AND `Difficulty` = "' + InttoStr(Level) +'" ORDER BY `Score` ASC LIMIT 1');
ScoreDB.ExecSQL('DELETE FROM `US_Scores` WHERE SongID = "' + InttoStr(ID) + '" AND `Difficulty` = "' + InttoStr(Level) +'" AND `Player` = "' + TableData.FieldAsString(TableData.FieldIndex['Player']) + '" AND `Score` = "' + TableData.FieldAsString(TableData.FieldIndex['Score']) + '"');
end;
end;
finally
//ScoreDB.Free;
end;
end;
//--------------------
//WriteScore - Not needed with new System; But used for Increment Played Count
//--------------------
procedure TDataBaseSystem.WriteScore(Song: TSong);
begin
if not assigned( ScoreDB ) then
exit;
try
//Increase TimesPlayed
ScoreDB.ExecSQL ('UPDATE `'+cUS_Songs+'` SET `TimesPlayed` = `TimesPlayed` + "1" WHERE `Title` = "' + Song.Title + '" AND `Artist` = "' + Song.Artist + '";');
except
end;
end;
//--------------------
//GetStats - Write some Stats to Array, Returns True if Chossen Page has Entrys
//Case Typ of
//0 - Best Scores
//1 - Best Singers
//2 - Most sung Songs
//3 - Most popular Band
//--------------------
Function TDataBaseSystem.GetStats(var Stats: AStatResult; const Typ, Count: Byte; const Page: Cardinal; const Reversed: Boolean): Boolean;
var
Query: String;
TableData: TSqliteTable;
begin
Result := False;
if not assigned( ScoreDB ) then
exit;
if (Length(Stats) < Count) then
Exit;
{Todo: Add Prevention that only Players with more than 5 Scores are Selected at Typ 2}
//Create Query
Case Typ of
0: Query := 'SELECT `Player` , `Difficulty` , `Score` , `Artist` , `Title` FROM `'+cUS_Scores+'` INNER JOIN `US_Songs` ON (`SongID` = `ID`) ORDER BY `Score`';
1: Query := 'SELECT `Player` , ROUND (Sum(`Score`) / COUNT(`Score`)) FROM `'+cUS_Scores+'` GROUP BY `Player` ORDER BY (Sum(`Score`) / COUNT(`Score`))';
2: Query := 'SELECT `Artist` , `Title` , `TimesPlayed` FROM `'+cUS_Songs+'` ORDER BY `TimesPlayed`';
3: Query := 'SELECT `Artist` , Sum(`TimesPlayed`) FROM `'+cUS_Songs+'` GROUP BY `Artist` ORDER BY Sum(`TimesPlayed`)';
end;
//Add Order Direction
If Reversed then
Query := Query + ' ASC'
else
Query := Query + ' DESC';
//Add Limit
Query := Query + ' LIMIT ' + InttoStr(Count * Page) + ', ' + InttoStr(Count) + ';';
//Execute Query
try
TableData := ScoreDB.GetTable(Query);
except
exit; // this has a try except, because ( on linux at least ) it seems that doing a GetTable, that returns nothing
// causes an exception. and in the case of a new Database file, with no scores stored yet... this seems to except here.
end;
//if Result empty -> Exit
if (TableData.RowCount < 1) then
exit;
//Copy Result to Stats Array
while not TableData.Eof do
begin
Stats[TableData.Row].Typ := Typ;
Case Typ of
0:begin
Stats[TableData.Row].Singer := TableData.Fields[0];
Stats[TableData.Row].Difficulty := StrtoIntDef(TableData.Fields[1], 0);
Stats[TableData.Row].Score := StrtoIntDef(TableData.Fields[2], 0){TableData.FieldAsInteger(2)};
Stats[TableData.Row].SongArtist := TableData.Fields[3];
Stats[TableData.Row].SongTitle := TableData.Fields[4];
end;
1:begin
Stats[TableData.Row].Player := TableData.Fields[0];
Stats[TableData.Row].AverageScore := StrtoIntDef(TableData.Fields[1], 0);
end;
2:begin
Stats[TableData.Row].Artist := TableData.Fields[0];
Stats[TableData.Row].Title := TableData.Fields[1];
Stats[TableData.Row].TimesSung := StrtoIntDef(TableData.Fields[2], 0);
end;
3:begin
Stats[TableData.Row].ArtistName := TableData.Fields[0];
Stats[TableData.Row].TimesSungtot := StrtoIntDef(TableData.Fields[1], 0);
end;
end;
TableData.Next;
end;
Result := True;
end;
//--------------------
//GetTotalEntrys - Get Total Num of entrys for a Stats Query
//--------------------
Function TDataBaseSystem.GetTotalEntrys(const Typ: Byte): Cardinal;
var Query: String;
begin
Result := 0;
if not assigned( ScoreDB ) then
exit;
try
//Create Query
Case Typ of
0: begin
Query := 'SELECT COUNT(`SongID`) FROM `'+cUS_Scores+'`;';
if not ScoreDB.TableExists( cUS_Scores ) then
exit;
end;
1: begin
Query := 'SELECT COUNT(DISTINCT `Player`) FROM `'+cUS_Scores+'`;';
if not ScoreDB.TableExists( cUS_Scores ) then
exit;
end;
2: begin
Query := 'SELECT COUNT(`ID`) FROM `'+cUS_Songs+'`;';
if not ScoreDB.TableExists( cUS_Songs ) then
exit;
end;
3: begin
Query := 'SELECT COUNT(DISTINCT `Artist`) FROM `'+cUS_Songs+'`;';
if not ScoreDB.TableExists( cUS_Songs ) then
exit;
end;
end;
Result := ScoreDB.GetTableValue(Query);
except
// TODO : JB_Linux - Why do we get these exceptions on linux !! -> should be solved!
on E:ESQLiteException DO
begin
exit;
end;
end;
end;
//--------------------
//GetStatReset - Get reset date of statistic data
//--------------------
Function TDataBaseSystem.GetStatReset: TDateTime;
var
Query: String;
TableData: TSqliteTable;
begin
if not assigned( ScoreDB ) then
exit;
Query := 'SELECT `ResetTime` FROM `'+cUS_Statistics_Info+'`;';
TableData := ScoreDB.GetTable(Query);
result:=StrToDateTime(TableData.Fields[0]);
end;
end.
git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/trunk@1185 b956fd51-792f-4845-bead-9b4dfca2ff2c
Diffstat (limited to 'Game/Code/Classes/UTexture.pas')
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