Rev 4 | Go to most recent revision | Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1 | daniel-mar | 1 | unit DXPlayFm; |
| 2 | |||
| 3 | interface |
||
| 4 | |||
| 5 | uses |
||
| 6 | Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs, |
||
| 7 | StdCtrls, ExtCtrls, DirectX, DXPlay, ActiveX, DXETable, DIB; |
||
| 8 | |||
| 9 | type |
||
| 10 | TDelphiXDXPlayForm = class(TForm) |
||
| 11 | Notebook: TNotebook; |
||
| 12 | NextButton: TButton; |
||
| 13 | BackButton: TButton; |
||
| 14 | CancelButton: TButton; |
||
| 15 | Bevel1: TBevel; |
||
| 16 | ProviderList: TListBox; |
||
| 17 | Label1: TLabel; |
||
| 18 | Bevel2: TBevel; |
||
| 19 | Label2: TLabel; |
||
| 20 | NewGame: TRadioButton; |
||
| 21 | JoinGame: TRadioButton; |
||
| 22 | Label3: TLabel; |
||
| 23 | Label4: TLabel; |
||
| 24 | Label5: TLabel; |
||
| 25 | NewGameSessionName: TEdit; |
||
| 26 | NewGamePlayerName: TEdit; |
||
| 27 | Label7: TLabel; |
||
| 28 | JoinGamePlayerName: TEdit; |
||
| 29 | Label8: TLabel; |
||
| 30 | JoinGameSessionList: TListBox; |
||
| 31 | DXPaintBox1: TDXPaintBox; |
||
| 32 | JoinGamePlayerList: TListBox; |
||
| 33 | JoinGameGetPlayerListTimer: TTimer; |
||
| 34 | procedure NotebookPageChanged(Sender: TObject); |
||
| 35 | procedure BackButtonClick(Sender: TObject); |
||
| 36 | procedure NextButtonClick(Sender: TObject); |
||
| 37 | procedure CancelButtonClick(Sender: TObject); |
||
| 38 | procedure ProviderListClick(Sender: TObject); |
||
| 39 | procedure NewGameClick(Sender: TObject); |
||
| 40 | procedure FormDestroy(Sender: TObject); |
||
| 41 | procedure FormShow(Sender: TObject); |
||
| 42 | procedure EditKeyDown(Sender: TObject; var Key: Word; |
||
| 43 | Shift: TShiftState); |
||
| 44 | procedure NewGameSessionNameKeyDown(Sender: TObject; var Key: Word; |
||
| 45 | Shift: TShiftState); |
||
| 46 | procedure NewGamePlayerNameKeyDown(Sender: TObject; var Key: Word; |
||
| 47 | Shift: TShiftState); |
||
| 48 | procedure JoinGameSessionListKeyDown(Sender: TObject; var Key: Word; |
||
| 49 | Shift: TShiftState); |
||
| 50 | procedure JoinGamePlayerNameKeyDown(Sender: TObject; var Key: Word; |
||
| 51 | Shift: TShiftState); |
||
| 52 | procedure JoinGameGetPlayerListTimerTimer(Sender: TObject); |
||
| 53 | procedure JoinGameSessionListClick(Sender: TObject); |
||
| 54 | private |
||
| 55 | FProviderGUID: TGUID; |
||
| 56 | public |
||
| 57 | DPlay: IDirectPlay4A; |
||
| 58 | DXPlay: TCustomDXPlay; |
||
| 59 | PlayerName: string; |
||
| 60 | ProviderName: string; |
||
| 61 | SessionName: string; |
||
| 62 | end; |
||
| 63 | |||
| 64 | var |
||
| 65 | DelphiXDXPlayForm: TDelphiXDXPlayForm; |
||
| 66 | |||
| 67 | implementation |
||
| 68 | |||
| 69 | uses DXConsts; |
||
| 70 | |||
| 71 | {$R *.DFM} |
||
| 72 | |||
| 73 | procedure TDelphiXDXPlayForm.FormShow(Sender: TObject); |
||
| 74 | begin |
||
| 75 | ProviderList.Items := DXPlay.Providers; |
||
| 76 | NotebookPageChanged(nil); |
||
| 77 | end; |
||
| 78 | |||
| 79 | procedure TDelphiXDXPlayForm.FormDestroy(Sender: TObject); |
||
| 80 | var |
||
| 81 | i: Integer; |
||
| 82 | begin |
||
| 83 | for i:=0 to JoinGameSessionList.Items.Count-1 do |
||
| 84 | Dispose(PGUID(JoinGameSessionList.Items.Objects[i])); |
||
| 85 | end; |
||
| 86 | |||
| 87 | procedure TDelphiXDXPlayForm.BackButtonClick(Sender: TObject); |
||
| 88 | begin |
||
| 89 | JoinGameGetPlayerListTimer.Enabled := False; |
||
| 90 | |||
| 91 | if Notebook.ActivePage='SessionNew' then |
||
| 92 | begin |
||
| 93 | DPlay := nil; |
||
| 94 | Notebook.ActivePage := 'SessionType' |
||
| 95 | end else if Notebook.ActivePage='SessionJoin' then |
||
| 96 | begin |
||
| 97 | DPlay := nil; |
||
| 98 | Notebook.ActivePage := 'SessionType' |
||
| 99 | end else |
||
| 100 | Notebook.PageIndex := Notebook.PageIndex - 1; |
||
| 101 | end; |
||
| 102 | |||
| 103 | procedure TDelphiXDXPlayForm.NextButtonClick(Sender: TObject); |
||
| 104 | |||
| 105 | procedure InitDirectPlay; |
||
| 106 | var |
||
| 107 | DPlay1: IDirectPlay; |
||
| 108 | begin |
||
| 109 | if DXDirectPlayCreate(FProviderGUID, DPlay1, nil)<>0 then |
||
| 110 | raise EDXPlayError.CreateFmt(SCannotInitialized, [SDirectPlay]); |
||
| 111 | |||
| 112 | DPlay := DPlay1 as IDirectPlay4A; |
||
| 113 | end; |
||
| 114 | |||
| 115 | function EnumSessionsCallback(const lpThisSD: TDPSessionDesc2; |
||
| 116 | var lpdwTimeOut: DWORD; dwFlags: DWORD; lpContext: Pointer): BOOL; stdcall; |
||
| 117 | var |
||
| 118 | Guid: PGUID; |
||
| 119 | begin |
||
| 120 | if dwFlags and DPESC_TIMEDOUT<>0 then |
||
| 121 | begin |
||
| 122 | Result := False; |
||
| 123 | Exit; |
||
| 124 | end; |
||
| 125 | |||
| 126 | Guid := New(PGUID); |
||
| 127 | Move(lpThisSD.guidInstance, Guid^, SizeOf(TGUID)); |
||
| 128 | TDelphiXDXPlayForm(lpContext).JoinGameSessionList.Items.AddObject(lpThisSD.lpszSessionNameA, Pointer(Guid)); |
||
| 129 | |||
| 130 | Result := True; |
||
| 131 | end; |
||
| 132 | |||
| 133 | var |
||
| 134 | dpDesc: TDPSessionDesc2; |
||
| 135 | i: Integer; |
||
| 136 | c: array[0..1023] of Char; |
||
| 137 | hr: HRESULT; |
||
| 138 | begin |
||
| 139 | if Notebook.ActivePage='SelectProvider' then |
||
| 140 | begin |
||
| 141 | FProviderGUID := PGUID(ProviderList.Items.Objects[ProviderList.ItemIndex])^; |
||
| 142 | |||
| 143 | InitDirectPlay; |
||
| 144 | |||
| 145 | Notebook.ActivePage := 'SessionType'; |
||
| 146 | end else |
||
| 147 | if Notebook.ActivePage='SessionType' then |
||
| 148 | begin |
||
| 149 | if DPlay=nil then InitDirectPlay; |
||
| 150 | |||
| 151 | if NewGame.Checked then |
||
| 152 | Notebook.ActivePage := 'SessionNew' |
||
| 153 | else |
||
| 154 | begin |
||
| 155 | for i:=0 to JoinGameSessionList.Items.Count-1 do |
||
| 156 | Dispose(PGUID(JoinGameSessionList.Items.Objects[i])); |
||
| 157 | JoinGameSessionList.Items.Clear; |
||
| 158 | |||
| 159 | FillChar(dpDesc, SizeOf(dpDesc), 0); |
||
| 160 | dpDesc.dwSize := SizeOf(dpDesc); |
||
| 161 | dpDesc.guidApplication := DXPlayStringToGUID(DXPlay.GUID); |
||
| 162 | |||
| 163 | hr := DPlay.EnumSessions(dpDesc, 0, @EnumSessionsCallback, Self, DPENUMSESSIONS_AVAILABLE); |
||
| 164 | if hr=DPERR_USERCANCEL then Exit; |
||
| 165 | if hr<>0 then |
||
| 166 | raise EDXPlayError.Create(SDXPlaySessionListCannotBeAcquired); |
||
| 167 | |||
| 168 | Notebook.ActivePage := 'SessionJoin'; |
||
| 169 | end; |
||
| 170 | end else if Notebook.ActivePage='SessionNew' then |
||
| 171 | begin |
||
| 172 | if DPlay=nil then InitDirectPlay; |
||
| 173 | |||
| 174 | { Session making } |
||
| 175 | StrLCopy(@c, PChar(NewGameSessionName.Text), SizeOf(c)); |
||
| 176 | |||
| 177 | FillChar(dpDesc, SizeOf(dpDesc), 0); |
||
| 178 | dpDesc.dwSize := SizeOf(dpDesc); |
||
| 179 | dpDesc.dwFlags := DPSESSION_MIGRATEHOST or DPSESSION_KEEPALIVE; |
||
| 180 | dpDesc.lpszSessionNameA := @c; |
||
| 181 | dpDesc.guidApplication := DXPlayStringToGUID(DXPlay.GUID); |
||
| 182 | dpDesc.dwMaxPlayers := DXPlay.MaxPlayers; |
||
| 183 | |||
| 184 | hr := DPlay.Open(dpDesc, DPOPEN_CREATE); |
||
| 185 | if hr=DPERR_USERCANCEL then Exit; |
||
| 186 | if hr<>0 then |
||
| 187 | begin |
||
| 188 | DPlay := nil; |
||
| 189 | raise EDXPlayError.CreateFmt(SDXPlaySessionCannotOpened, [NewGameSessionName.Text]); |
||
| 190 | end; |
||
| 191 | |||
| 192 | PlayerName := NewGamePlayerName.Text; |
||
| 193 | ProviderName := ProviderList.Items[ProviderList.ItemIndex]; |
||
| 194 | SessionName := NewGameSessionName.Text; |
||
| 195 | |||
| 196 | Tag := 1; |
||
| 197 | Close; |
||
| 198 | end else if Notebook.ActivePage='SessionJoin' then |
||
| 199 | begin |
||
| 200 | if DPlay=nil then InitDirectPlay; |
||
| 201 | |||
| 202 | { Session connection } |
||
| 203 | FillChar(dpDesc, SizeOf(dpDesc), 0); |
||
| 204 | dpDesc.dwSize := SizeOf(dpDesc); |
||
| 205 | dpDesc.guidInstance := PGUID(JoinGameSessionList.Items.Objects[JoinGameSessionList.ItemIndex])^; |
||
| 206 | dpDesc.guidApplication := DXPlayStringToGUID(DXPlay.GUID); |
||
| 207 | |||
| 208 | hr := DPlay.Open(dpDesc, DPOPEN_JOIN); |
||
| 209 | if hr=DPERR_USERCANCEL then Exit; |
||
| 210 | if hr<>0 then |
||
| 211 | begin |
||
| 212 | DPlay := nil; |
||
| 213 | raise EDXPlayError.CreateFmt(SDXPlaySessionCannotOpened, [NewGameSessionName.Text]); |
||
| 214 | end; |
||
| 215 | |||
| 216 | PlayerName := JoinGamePlayerName.Text; |
||
| 217 | ProviderName := ProviderList.Items[ProviderList.ItemIndex]; |
||
| 218 | SessionName := JoinGameSessionList.Items[JoinGameSessionList.ItemIndex]; |
||
| 219 | |||
| 220 | Tag := 1; |
||
| 221 | Close; |
||
| 222 | end else |
||
| 223 | Notebook.PageIndex := Notebook.PageIndex + 1; |
||
| 224 | end; |
||
| 225 | |||
| 226 | procedure TDelphiXDXPlayForm.JoinGameGetPlayerListTimerTimer( |
||
| 227 | Sender: TObject); |
||
| 228 | |||
| 229 | function EnumPlayersCallback2(TDPID: TDPID; dwPlayerType: DWORD; |
||
| 230 | const lpName: TDPName; dwFlags: DWORD; lpContext: Pointer): BOOL; stdcall; |
||
| 231 | begin |
||
| 232 | with lpName do |
||
| 233 | begin |
||
| 234 | if lpszShortNameA<>nil then |
||
| 235 | TDelphiXDXPlayForm(lpContext).JoinGamePlayerList.Items.Add(lpszShortNameA); |
||
| 236 | end; |
||
| 237 | |||
| 238 | Result := True; |
||
| 239 | end; |
||
| 240 | |||
| 241 | var |
||
| 242 | dpDesc: TDPSessionDesc2; |
||
| 243 | hr: HRESULT; |
||
| 244 | TempDPlay: IDirectPlay4A; |
||
| 245 | DPlay1: IDirectPlay; |
||
| 246 | begin |
||
| 247 | JoinGameGetPlayerListTimer.Enabled := False; |
||
| 248 | JoinGamePlayerList.Items.Clear; |
||
| 249 | |||
| 250 | TempDPlay := DPlay; |
||
| 251 | if TempDPlay=nil then |
||
| 252 | begin |
||
| 253 | if DXDirectPlayCreate(FProviderGUID, DPlay1, nil)<>0 then |
||
| 254 | Exit; |
||
| 255 | TempDPlay := DPlay1 as IDirectPlay4A; |
||
| 256 | DPlay1 := nil; |
||
| 257 | end; |
||
| 258 | try |
||
| 259 | FillChar(dpDesc, SizeOf(dpDesc), 0); |
||
| 260 | dpDesc.dwSize := SizeOf(dpDesc); |
||
| 261 | dpDesc.guidInstance := PGUID(JoinGameSessionList.Items.Objects[JoinGameSessionList.ItemIndex])^; |
||
| 262 | dpDesc.guidApplication := DXPlayStringToGUID(DXPlay.GUID); |
||
| 263 | |||
| 264 | hr := TempDPlay.Open(dpDesc, DPOPEN_JOIN); |
||
| 265 | if hr<>0 then Exit; |
||
| 266 | try |
||
| 267 | TempDPlay.EnumPlayers(PGUID(nil)^, @EnumPlayersCallback2, Self, DPENUMPLAYERS_REMOTE); |
||
| 268 | finally |
||
| 269 | TempDPlay.Close; |
||
| 270 | end; |
||
| 271 | finally |
||
| 272 | TempDPlay := nil; |
||
| 273 | end; |
||
| 274 | end; |
||
| 275 | |||
| 276 | procedure TDelphiXDXPlayForm.CancelButtonClick(Sender: TObject); |
||
| 277 | begin |
||
| 278 | Close; |
||
| 279 | end; |
||
| 280 | |||
| 281 | procedure TDelphiXDXPlayForm.NotebookPageChanged(Sender: TObject); |
||
| 282 | begin |
||
| 283 | if Notebook.ActivePage='SelectProvider' then |
||
| 284 | begin |
||
| 285 | BackButton.Enabled := False; |
||
| 286 | NextButton.Enabled := ProviderList.ItemIndex<>-1; |
||
| 287 | NextButton.Caption := DXPlayFormNext; |
||
| 288 | end else if Notebook.ActivePage='SessionType' then |
||
| 289 | begin |
||
| 290 | BackButton.Enabled := True; |
||
| 291 | NextButton.Enabled := NewGame.Checked or JoinGame.Checked; |
||
| 292 | NextButton.Caption := DXPlayFormNext; |
||
| 293 | end else if Notebook.ActivePage='SessionNew' then |
||
| 294 | begin |
||
| 295 | BackButton.Enabled := True; |
||
| 296 | NextButton.Enabled := (NewGameSessionName.Text<>'') and (NewGamePlayerName.Text<>''); |
||
| 297 | NextButton.Caption := DXPlayFormComplete; |
||
| 298 | end else if Notebook.ActivePage='SessionJoin' then |
||
| 299 | begin |
||
| 300 | BackButton.Enabled := True; |
||
| 301 | NextButton.Enabled := (JoinGameSessionList.ItemIndex<>-1) and (JoinGamePlayerName.Text<>''); |
||
| 302 | NextButton.Caption := DXPlayFormComplete; |
||
| 303 | end; |
||
| 304 | end; |
||
| 305 | |||
| 306 | procedure TDelphiXDXPlayForm.JoinGameSessionListClick(Sender: TObject); |
||
| 307 | begin |
||
| 308 | NotebookPageChanged(nil); |
||
| 309 | |||
| 310 | JoinGamePlayerList.Clear; |
||
| 311 | if JoinGameSessionList.ItemIndex<>-1 then |
||
| 312 | begin |
||
| 313 | JoinGameGetPlayerListTimer.Enabled := False; |
||
| 314 | JoinGameGetPlayerListTimer.Enabled := True; |
||
| 315 | end; |
||
| 316 | end; |
||
| 317 | |||
| 318 | procedure TDelphiXDXPlayForm.ProviderListClick(Sender: TObject); |
||
| 319 | begin |
||
| 320 | NotebookPageChanged(nil); |
||
| 321 | end; |
||
| 322 | |||
| 323 | procedure TDelphiXDXPlayForm.NewGameClick(Sender: TObject); |
||
| 324 | begin |
||
| 325 | NotebookPageChanged(nil); |
||
| 326 | end; |
||
| 327 | |||
| 328 | procedure TDelphiXDXPlayForm.EditKeyDown(Sender: TObject; |
||
| 329 | var Key: Word; Shift: TShiftState); |
||
| 330 | begin |
||
| 331 | if (Key=VK_RETURN) and (NextButton.Enabled) then |
||
| 332 | begin |
||
| 333 | NextButtonClick(nil); |
||
| 334 | Key := 0; |
||
| 335 | end; |
||
| 336 | end; |
||
| 337 | |||
| 338 | procedure TDelphiXDXPlayForm.NewGameSessionNameKeyDown(Sender: TObject; |
||
| 339 | var Key: Word; Shift: TShiftState); |
||
| 340 | begin |
||
| 341 | if NewGameSessionName.Text='' then Exit; |
||
| 342 | |||
| 343 | if Key=VK_RETURN then |
||
| 344 | begin |
||
| 345 | if NextButton.Enabled then |
||
| 346 | begin |
||
| 347 | NextButtonClick(nil); |
||
| 348 | Key := 0; |
||
| 349 | end else if NewGamePlayerName.Text='' then |
||
| 350 | begin |
||
| 351 | NewGamePlayerName.SetFocus; |
||
| 352 | Key := 0; |
||
| 353 | end; |
||
| 354 | end; |
||
| 355 | end; |
||
| 356 | |||
| 357 | procedure TDelphiXDXPlayForm.NewGamePlayerNameKeyDown(Sender: TObject; |
||
| 358 | var Key: Word; Shift: TShiftState); |
||
| 359 | begin |
||
| 360 | if NewGamePlayerName.Text='' then Exit; |
||
| 361 | |||
| 362 | if Key=VK_RETURN then |
||
| 363 | begin |
||
| 364 | if NextButton.Enabled then |
||
| 365 | begin |
||
| 366 | NextButtonClick(nil); |
||
| 367 | Key := 0; |
||
| 368 | end else if NewGameSessionName.Text='' then |
||
| 369 | begin |
||
| 370 | NewGameSessionName.SetFocus; |
||
| 371 | Key := 0; |
||
| 372 | end; |
||
| 373 | end; |
||
| 374 | end; |
||
| 375 | |||
| 376 | procedure TDelphiXDXPlayForm.JoinGameSessionListKeyDown(Sender: TObject; |
||
| 377 | var Key: Word; Shift: TShiftState); |
||
| 378 | begin |
||
| 379 | if JoinGameSessionList.ItemIndex=-1 then Exit; |
||
| 380 | |||
| 381 | if Key=VK_RETURN then |
||
| 382 | begin |
||
| 383 | if NextButton.Enabled then |
||
| 384 | begin |
||
| 385 | NextButtonClick(nil); |
||
| 386 | Key := 0; |
||
| 387 | end else if JoinGamePlayerName.Text='' then |
||
| 388 | begin |
||
| 389 | JoinGamePlayerName.SetFocus; |
||
| 390 | Key := 0; |
||
| 391 | end; |
||
| 392 | end; |
||
| 393 | end; |
||
| 394 | |||
| 395 | procedure TDelphiXDXPlayForm.JoinGamePlayerNameKeyDown(Sender: TObject; |
||
| 396 | var Key: Word; Shift: TShiftState); |
||
| 397 | begin |
||
| 398 | if JoinGamePlayerName.Text='' then Exit; |
||
| 399 | |||
| 400 | if Key=VK_RETURN then |
||
| 401 | begin |
||
| 402 | if NextButton.Enabled then |
||
| 403 | begin |
||
| 404 | NextButtonClick(nil); |
||
| 405 | Key := 0; |
||
| 406 | end else if JoinGameSessionList.ItemIndex=-1 then |
||
| 407 | begin |
||
| 408 | JoinGameSessionList.SetFocus; |
||
| 409 | Key := 0; |
||
| 410 | end; |
||
| 411 | end; |
||
| 412 | end; |
||
| 413 | |||
| 414 | end. |
||
| 415 |