unit Unit1;

{$mode objfpc}{$H+}

interface

uses
  Classes, SysUtils, Forms, Controls, Graphics, Dialogs, StdCtrls, ExtCtrls,
    Process;

type

  { TForm1 }

  TForm1 = class(TForm)
    Image1: TImage;
    Image2: TImage;
    Image3: TImage;
    Image4: TImage;
    Image5: TImage;
    player_name_edit: TEdit;
    procedure start_btnClick(Sender: TObject);
    procedure exit_btnClick(Sender: TObject);
    procedure FormShow(Sender: TObject);
    procedure Image1MouseDown(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
    procedure Image1MouseMove(Sender: TObject; Shift: TShiftState; X, Y: Integer);
    procedure Image1MouseUp(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
  private
    procedure SetPlayerName();
  public
  end;

var
  Form1: TForm1;
  APath: String;
  PLAYER_UUID: String;
  PLAYER_NAME: String;
  PX, PY: Integer;
  MouseIsDown: Boolean;

const
  Hytale_Dir = 'package\game\latest\Client\';
  app_dir = 'package\game\latest';
  java_exec = 'package\jre\latest\bin\java.exe';
  user_dir = 'UserData';

implementation

function GenerateUniqueID: string;
var
  guid: TGUID;
  guidStr: string;
begin
  Result := '';
  if CreateGUID(guid) = 0 then
   begin
     guidStr := GUIDToString(guid); // Получаем GUID со скобками
     guidStr := StringReplace(guidStr, '{', '', [rfReplaceAll]); // Удаляем '{'
     guidStr := StringReplace(guidStr, '}', '', [rfReplaceAll]); // Удаляем '}'
     Result := guidStr;
   end;
end;

procedure TForm1.Image1MouseDown(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
begin
  if Button = mbLeft then
  begin
    MouseIsDown := True;
    PX := X;
    PY := Y;
  end;
end;

procedure TForm1.Image1MouseMove(Sender: TObject; Shift: TShiftState; X, Y: Integer);
begin
  if MouseIsDown then
  begin
    SetBounds(Form1.Left + (X - PX), Form1.Top + (Y - PY), Form1.Width, Form1.Height);
  end;
end;

procedure TForm1.Image1MouseUp(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
begin
  MouseIsDown := False;
end;

procedure GenerateID();
var
  f: TextFile;
  FileContent: string;
  tmp_uuid: string;
begin
  if not FileExists(APath+user_dir+'\uuid.txt') then
  begin
    tmp_uuid:= GenerateUniqueID();
    AssignFile(f, APath+user_dir+'\uuid.txt');
    Rewrite(f);
    Write(f, AnsiLowerCase(tmp_uuid));
    CloseFile(f);
    PLAYER_UUID:=AnsiLowerCase(tmp_uuid);
  end
  else
  begin
    AssignFile(f, APath+user_dir+'\uuid.txt');
    Reset(f);
    Read(f, FileContent);
    CloseFile(f);
    PLAYER_UUID:=FileContent;
  end;
end;

procedure TForm1.SetPlayerName();
var
  f: TextFile;
  FileContent: string;
begin
  if FileExists(APath+user_dir+'\username.txt') then
  begin
    AssignFile(f,APath+user_dir+'\username.txt');
    Reset(f);
    Read(f, FileContent);
    CloseFile(f);
    player_name_edit.Text:=FileContent;
    PLAYER_NAME:=FileContent;
  end
end;

{$R *.lfm}

{ TForm1 }

procedure TForm1.start_btnClick(Sender: TObject);
var
  f: TextFile;
  Process: TProcess;

  Parameters: string;
begin
  AssignFile(f, APath+user_dir+'\username.txt');
  Rewrite(f);
  Write(f, player_name_edit.Text);
  CloseFile(f);

  Parameters:= '--app-dir "'+APath+app_dir+'" --java-exec "'+APath+java_exec+'" --user-dir "'+APath+user_dir+'" --auth-mode offline --uuid '+PLAYER_UUID+' --name '+PLAYER_NAME;
  //ShowMessage(APath+Hytale_Dir+'HytaleClient.exe '+Parameters);
  if not FileExists(APath+Hytale_Dir+'HytaleClient.exe') then
  begin
    ShowMessage('HytaleClient.exe не найден');
    Close;
  end
  else
  begin
    ChDir(APath+Hytale_Dir);
    Process:= TProcess.Create(nil);
    Process.Executable:= 'HytaleClient.exe';
    Process.Parameters.Add(Parameters);
    Process.Execute;
    Close;
  end
end;

procedure TForm1.exit_btnClick(Sender: TObject);
begin
  Close;
end;

procedure TForm1.FormShow(Sender: TObject);
begin
  APath:= ExtractFilePath(Application.ExeName);
  if not ForceDirectories(ExtractFilePath(APath+user_dir+'\')) then
  begin
    ShowMessage('Не удалось создать папку UserData');
    Close;
  end;

  SetPlayerName();
  GenerateID();
end;

end.