134 lines
2.7 KiB
ObjectPascal
134 lines
2.7 KiB
ObjectPascal
unit Forms.Game;
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interface
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uses
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System.Classes,
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Vcl.Controls,
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Vcl.Dialogs,
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Vcl.ExtCtrls,
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Vcl.Forms,
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Vcl.Mask,
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Vcl.StdCtrls,
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JvExMask,
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JvToolEdit,
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Game.Base;
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type
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TGameForm = class(TForm)
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btnCancel: TButton;
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btnOK: TButton;
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cmbGame: TComboBox;
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deLocation: TJvDirectoryEdit;
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gbGame: TGroupBox;
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lblGame: TLabel;
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lblLocation: TLabel;
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pnlButtons: TPanel;
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procedure FormCreate(Sender: TObject);
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procedure btnOKClick(Sender: TObject);
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private
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function GetGameClass: TCustomGameClass;
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function GetLocation: string;
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procedure SetGameClass(const Value: TCustomGameClass);
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procedure SetLocation(const Value: string);
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protected
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property GameClass: TCustomGameClass read GetGameClass write SetGameClass;
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property Location: string read GetLocation write SetLocation;
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public
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class function Insert(AOwner: TComponent; out AGame: TCustomGame): Boolean;
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end;
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implementation
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uses
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System.SysUtils,
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Winapi.Windows,
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Game.Registry;
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{$R *.dfm}
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{ TGameForm }
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class function TGameForm.Insert(AOwner: TComponent; out AGame: TCustomGame): Boolean;
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begin
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with Self.Create(AOwner) do
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try
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Result := (ShowModal = mrOk);
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if Result then
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AGame := GameClass.Create(Location);
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finally
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Free;
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end;
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end;
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procedure TGameForm.FormCreate(Sender: TObject);
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var
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gameClass: TCustomGameClass;
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begin
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cmbGame.Items.BeginUpdate;
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try
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cmbGame.Items.Clear;
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for gameClass in TGameRegistry.RegisteredGames do
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cmbGame.Items.AddObject(gameClass.GetGameName, TObject(gameClass));
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finally
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cmbGame.Items.EndUpdate;
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cmbGame.ItemIndex := 0;
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end;
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end;
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procedure TGameForm.btnOKClick(Sender: TObject);
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begin
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if not Assigned(GameClass) then
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begin
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MessageBox(Self.Handle, 'Please select the game type', 'Error', MB_OK or MB_ICONERROR);
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ActiveControl := cmbGame;
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exit;
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end;
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if (Length(Location) = 0) or (not DirectoryExists(Location)) then
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begin
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MessageBox(Self.Handle, 'Please enter a valid location', 'Error', MB_OK or MB_ICONERROR);
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ActiveControl := deLocation;
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exit;
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end;
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ModalResult := mrOk;
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end;
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function TGameForm.GetGameClass: TCustomGameClass;
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begin
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Result := nil;
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if cmbGame.ItemIndex > -1 then
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Result := TCustomGameClass(cmbGame.Items.Objects[cmbGame.ItemIndex]);
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end;
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function TGameForm.GetLocation: string;
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begin
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Result := deLocation.Text;
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end;
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procedure TGameForm.SetGameClass(const Value: TCustomGameClass);
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begin
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cmbGame.ItemIndex := cmbGame.Items.IndexOfObject(TObject(Value));
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end;
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procedure TGameForm.SetLocation(const Value: string);
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begin
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deLocation.Text := Value;
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end;
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end.
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