Subversion Repositories spacemission

unit GamSpeicherung;

interface

uses

  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,

  StdCtrls, ExtCtrls, Spin{$IF CompilerVersion >= 23.0}, System.UITypes{$IFEND};

type

  TSpeicherungForm = class(TForm)

    Bevel1: TBevel;

    LadenBtn: TButton;

    LoeschenBtn: TButton;

    AktualisierenBtn: TButton;

    SpeichernBtn: TButton;

    AbbrechenBtn: TButton;

    LevelListBox: TListBox;

    Label2: TLabel;

    Label3: TLabel;

    Label1: TLabel;

    LevelName: TEdit;

    ElPanel1: TPanel;

    li4a: TLabel;

    li1: TLabel;

    li3b: TLabel;

    li3a: TLabel;

    li4b: TLabel;

    liu: TLabel;

    liw: TLabel;

    li2a: TLabel;

    li2b: TLabel;

    procedure LoeschenBtnClick(Sender: TObject);

    procedure LadenBtnClick(Sender: TObject);

    procedure SpeichernBtnClick(Sender: TObject);

    procedure LevelListBoxClick(Sender: TObject);

    procedure LevelNameChange(Sender: TObject);

    procedure Button4Click(Sender: TObject);

    procedure FormShow(Sender: TObject);

    procedure DsFancyButton2Click(Sender: TObject);

    procedure AbbrechenBtnClick(Sender: TObject);

    procedure FormHide(Sender: TObject);

    procedure LevelListBoxDblClick(Sender: TObject);

  private

    function GetSpielstandVerzeichnis: string;

  public

    procedure SearchSaves;

  end;

var

  SpeicherungForm: TSpeicherungForm;

implementation

uses

  Global, GamMain, ComLevelReader, ActiveX, ShlObj;

{$R *.DFM}

const

  FOLDERID_SavedGames: TGuid = '{4C5C32FF-BB9D-43b0-B5B4-2D72E54EAAA4}';

function GetKnownFolderPath(const rfid: TGUID): string;

var

  OutPath: PWideChar;

begin

  // https://www.delphipraxis.net/135471-unit-zur-verwendung-von-shgetknownfolderpath.html

  if ShGetKnownFolderPath(rfid, 0, 0, OutPath) {>= 0} = S_OK then

  begin

    Result := OutPath;

    // From MSDN

    // ppszPath [out]

    // Type: PWSTR*

    // When this method returns, contains the address of a pointer to a null-terminated Unicode string that specifies the path of the known folder

    // The calling process is responsible for freeing this resource once it is no longer needed by calling CoTaskMemFree.

    // The returned path does not include a trailing backslash. For example, "C:\Users" is returned rather than "C:\Users\".

    CoTaskMemFree(OutPath);

  end

  else

  begin

    Result := '';

  end;

end;

{ TSpeicherungForm }

procedure TSpeicherungForm.SearchSaves;

var

  sr: TSearchRec;

  res: integer;

begin

  LevelName.text := '';

  LevelListBox.items.clear;

  li1.visible := false;

  li2a.visible := false;

  li2b.visible := false;

  li3a.visible := false;

  li3b.visible := false;

  li4a.visible := false;

  li4b.visible := false;

  liu.visible := false;

  liw.visible := true;

  li1.caption := 'n/a';

  li2b.caption := 'n/a';

  li3b.caption := 'n/a';

  li4b.caption := 'n/a';

  LadenBtn.enabled := false;

  LoeschenBtn.enabled := false;

  res := FindFirst(IncludeTrailingPathDelimiter(GetSpielstandVerzeichnis)+'*.sav', 0, sr);

  try

    while (res = 0) do

    begin

      if (sr.name <> '.') and (sr.name <> '..') then

        LevelListBox.items.Add(ChangeFileExt(sr.Name, ''));

      res := FindNext(sr);

    end;

  finally

    FindClose(sr);

  end;

end;

procedure TSpeicherungForm.LoeschenBtnClick(Sender: TObject);

begin

  if LevelListBox.ItemIndex = -1 then exit;

  if MessageDlg('Diesen Spielstand wirklich löschen?', mtConfirmation, mbYesNoCancel, 0) = mrYes then

  begin

    li1.visible := false;

    li2a.visible := false;

    li2b.visible := false;

    li3a.visible := false;

    li3b.visible := false;

    li4a.visible := false;

    li4b.visible := false;

    liu.visible := false;

    liw.visible := false;

    li1.caption := 'n/a';

    li2b.caption := 'n/a';

    li3b.caption := 'n/a';

    li4b.caption := 'n/a';

    LadenBtn.enabled := false;

    LoeschenBtn.enabled := false;

    deletefile(IncludeTrailingPathDelimiter(GetSpielstandVerzeichnis)+LevelListBox.Items.strings[LevelListBox.itemindex]+'.sav');

    searchsaves;

  end;

end;

procedure TSpeicherungForm.LadenBtnClick(Sender: TObject);

var

  SavGame: TSaveData;

begin

  if LevelListBox.ItemIndex = -1 then exit;

  if LevelListBox.items.count = 0 then

  begin

    li1.visible := false;

    li2a.visible := false;

    li2b.visible := false;

    li3a.visible := false;

    li3b.visible := false;

    li4a.visible := false;

    li4b.visible := false;

    liu.visible := false;

    liw.visible := false;

    li1.caption := 'n/a';

    li2b.caption := 'n/a';

    li3b.caption := 'n/a';

    li4b.caption := 'n/a';

    LadenBtn.enabled := false;

    LoeschenBtn.enabled := false;

  end;

  {if liu.visible or (LevelListBox.items.count=0) then

    exit;}

  SavGame := TSaveData.Create;

  try

    SavGame.LoadFromFile(IncludeTrailingPathDelimiter(GetSpielstandVerzeichnis)+LevelListBox.Items.strings[LevelListBox.itemindex]+'.sav');

    mainform.FScore := SavGame.Score;

    mainform.FLife := SavGame.Life;

    mainform.FLevel := SavGame.Level;

    mainform.FGameMode := SavGame.GameMode;

    MainForm.FLevelDataAlreadyLoaded := true; // do not call NewLevel() in StartSceneNewLevel

    if Assigned(SavGame.LevelData) then

    begin

      MainForm.LevelData.Assign(SavGame.LevelData);

    end;

  finally

    FreeAndNil(SavGame);

  end;

  mainform.playsound(smsSceneMov, false);

  mainform.FNextScene := gsNewLevel;

  mainform.FCheat := false;

  close;

end;

procedure TSpeicherungForm.SpeichernBtnClick(Sender: TObject);

var

  SavGame: TSaveData;

  i: integer;

begin

  if Levelname.text = '' then

  begin

    MessageDlg('Dies ist kein gültiger Spielstandname!', mtError, [mbOK], 0);

    LevelName.setfocus;

    exit;

  end;

  for i := 0 to length(LevelName.text) do

  begin

    if (copy(LevelName.text, i, 1) = '\') or

      (copy(LevelName.text, i, 1) = '/') or

      (copy(LevelName.text, i, 1) = ':') or

      (copy(LevelName.text, i, 1) = '*') or

      (copy(LevelName.text, i, 1) = '?') or

      (copy(LevelName.text, i, 1) = '"') or

      (copy(LevelName.text, i, 1) = '<') or

      (copy(LevelName.text, i, 1) = '>') or

      (copy(LevelName.text, i, 1) = '|') then

    begin

      MessageDlg('Dies ist kein gültiger Spielstandname!', mtError, [mbOK], 0);

      LevelName.setfocus;

      exit;

    end;

  end;

  if LevelListBox.items.IndexOf(LevelName.text) > -1 then

  begin

    if MessageDlg('Spielstand ist bereits vorhanden. Ersetzen?', mtConfirmation, mbYesNoCancel, 0) <> mrYes then

      exit;

  end;

  SavGame := TSaveData.Create;

  try

    SavGame.Score := mainform.FScoreAtLevelStart;//mainform.FScore;

    SavGame.Life := mainform.FLifeAtLevelStart;//mainform.FLife;

    SavGame.Level := mainform.FLevel;

    SavGame.GameMode := mainform.FGameMode;

    if not Assigned(SavGame.LevelData) then SavGame.LevelData := TLevelData.Create;

    SavGame.LevelData.Assign(mainForm.LevelData);

    SavGame.SaveToFile(IncludeTrailingPathDelimiter(GetSpielstandVerzeichnis)+LevelName.text+'.sav');

  finally

    FreeAndNil(SavGame);

  end;

  SearchSaves;

end;

procedure TSpeicherungForm.LevelListBoxClick(Sender: TObject);

var

  SavGame: TSaveData;

  Punkte, Leben, Level: integer;

  BeinhaltetLevelDaten: boolean;

  Art: TGameMode;

begin

  ladenbtn.enabled := true;

  loeschenbtn.enabled := true;

  li1.visible := false;

  li2a.visible := false;

  li2b.visible := false;

  li3a.visible := false;

  li3b.visible := false;

  li4a.visible := false;

  li4b.visible := false;

  liu.visible := false;

  liw.visible := false;

  li1.caption := 'n/a';

  li2b.caption := 'n/a';

  li3b.caption := 'n/a';

  li4b.caption := 'n/a';

  if (LevelListBox.items.count=0) or (LevelListBox.itemindex = -1) then

  begin

    ladenbtn.enabled := false;

    loeschenbtn.enabled := false;

    liw.visible := true;

    exit;

  end;

  LevelName.Text := LevelListBox.Items.strings[LevelListBox.itemindex];

  SavGame := TSaveData.Create;

  try

    try

      SavGame.LoadFromFile(IncludeTrailingPathDelimiter(GetSpielstandVerzeichnis)+LevelListBox.Items.strings[LevelListBox.itemindex]+'.sav');

      Punkte := SavGame.Score;

      Leben := SavGame.Life;

      Level := SavGame.Level;

      Art := SavGame.GameMode;

      BeinhaltetLevelDaten := Assigned(SavGame.LevelData);

    except

      liu.visible := true;

      ladenbtn.enabled := false;

      exit;

    end;

  finally

    FreeAndNil(SavGame);

  end;

  li1.visible := true;

  li2a.visible := true;

  li2b.visible := true;

  li3a.visible := true;

  li3b.visible := true;

  li4a.visible := true;

  li4b.visible := true;

  if Art = gmLevels then

    li1.caption := 'Das Level ist ein norm. Level'

  else

    li1.caption := 'Das Level ist ein Zufallslevel';

  if BeinhaltetLevelDaten then

    li1.Caption := li1.Caption + ' mit Karte';

  li3b.caption := inttostr(Level);

  li4b.caption := inttostr(Leben);

  li2b.caption := inttostr(Punkte);

end;

procedure TSpeicherungForm.LevelNameChange(Sender: TObject);

begin

  //listbox1.Items.indexof('Level '+spinedit1.text);

end;

procedure TSpeicherungForm.Button4Click(Sender: TObject);

begin

  mainform.dxtimer.enabled := not mainform.gamepause.checked;

  close;

end;

procedure TSpeicherungForm.FormShow(Sender: TObject);

begin

  mainform.dxtimer.enabled := false;

  SearchSaves;

  if mainform.FNotSave then

  begin

    label1.enabled := false;

    LevelName.enabled := false;

    SpeichernBtn.enabled := false;

  end

  else

  begin

    label1.enabled := true;

    LevelName.enabled := true;

    SpeichernBtn.enabled := true;

  end;

end;

function TSpeicherungForm.GetSpielstandVerzeichnis: string;

begin

  try

    result := GetKnownFolderPath(FOLDERID_SavedGames);

  except

    result := '';

  end;

  if result = '' then

  begin

    // Pre Vista

    result := OwnDirectory + 'Spielstände';

  end

  else

  begin

    result := IncludeTrailingPathDelimiter(result);

    result := result + 'SpaceMission';

  end;

  result := IncludeTrailingPathDelimiter(result);

  ForceDirectories(result);

end;

procedure TSpeicherungForm.DsFancyButton2Click(Sender: TObject);

begin

  SearchSaves;

end;

procedure TSpeicherungForm.AbbrechenBtnClick(Sender: TObject);

begin

  close;

end;

procedure TSpeicherungForm.FormHide(Sender: TObject);

begin

  if not mainform.gamepause.checked then mainform.dxtimer.enabled := true;

end;

procedure TSpeicherungForm.LevelListBoxDblClick(Sender: TObject);

begin

  LadenBtn.click;

end;

end.