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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1 | daniel-mar | 1 | unit DXPlayFm; |
| 2 | |||
| 3 | interface |
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| 4 | daniel-mar | 4 | {$INCLUDE DelphiXcfg.inc} |
| 1 | daniel-mar | 5 | uses |
| 6 | Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs, |
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| 4 | daniel-mar | 7 | StdCtrls, ExtCtrls, DXPlay, ActiveX, DXETable, DIB, |
| 8 | {$IfDef StandardDX} |
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| 9 | DirectDraw, DirectPlay; |
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| 10 | {$Else} |
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| 11 | DirectX; |
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| 12 | {$EndIf} |
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| 1 | daniel-mar | 13 | |
| 14 | type |
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| 15 | TDelphiXDXPlayForm = class(TForm) |
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| 16 | Notebook: TNotebook; |
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| 17 | NextButton: TButton; |
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| 18 | BackButton: TButton; |
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| 19 | CancelButton: TButton; |
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| 20 | Bevel1: TBevel; |
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| 21 | ProviderList: TListBox; |
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| 22 | Label1: TLabel; |
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| 23 | Bevel2: TBevel; |
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| 24 | Label2: TLabel; |
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| 25 | NewGame: TRadioButton; |
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| 26 | JoinGame: TRadioButton; |
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| 27 | Label3: TLabel; |
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| 28 | Label4: TLabel; |
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| 29 | Label5: TLabel; |
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| 30 | NewGameSessionName: TEdit; |
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| 31 | NewGamePlayerName: TEdit; |
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| 32 | Label7: TLabel; |
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| 33 | JoinGamePlayerName: TEdit; |
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| 34 | Label8: TLabel; |
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| 35 | JoinGameSessionList: TListBox; |
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| 36 | DXPaintBox1: TDXPaintBox; |
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| 37 | JoinGamePlayerList: TListBox; |
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| 38 | JoinGameGetPlayerListTimer: TTimer; |
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| 39 | procedure NotebookPageChanged(Sender: TObject); |
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| 40 | procedure BackButtonClick(Sender: TObject); |
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| 41 | procedure NextButtonClick(Sender: TObject); |
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| 42 | procedure CancelButtonClick(Sender: TObject); |
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| 43 | procedure ProviderListClick(Sender: TObject); |
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| 44 | procedure NewGameClick(Sender: TObject); |
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| 45 | procedure FormDestroy(Sender: TObject); |
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| 46 | procedure FormShow(Sender: TObject); |
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| 47 | procedure EditKeyDown(Sender: TObject; var Key: Word; |
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| 48 | Shift: TShiftState); |
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| 49 | procedure NewGameSessionNameKeyDown(Sender: TObject; var Key: Word; |
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| 50 | Shift: TShiftState); |
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| 51 | procedure NewGamePlayerNameKeyDown(Sender: TObject; var Key: Word; |
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| 52 | Shift: TShiftState); |
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| 53 | procedure JoinGameSessionListKeyDown(Sender: TObject; var Key: Word; |
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| 54 | Shift: TShiftState); |
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| 55 | procedure JoinGamePlayerNameKeyDown(Sender: TObject; var Key: Word; |
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| 56 | Shift: TShiftState); |
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| 57 | procedure JoinGameGetPlayerListTimerTimer(Sender: TObject); |
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| 58 | procedure JoinGameSessionListClick(Sender: TObject); |
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| 59 | private |
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| 60 | FProviderGUID: TGUID; |
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| 61 | public |
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| 4 | daniel-mar | 62 | DPlay: //{$IfDef DX7} |
| 63 | IDirectPlay4A; |
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| 64 | //{$Else}IDirectPlay8Address{$EndIf}; |
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| 1 | daniel-mar | 65 | DXPlay: TCustomDXPlay; |
| 66 | PlayerName: string; |
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| 67 | ProviderName: string; |
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| 68 | SessionName: string; |
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| 69 | end; |
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| 70 | |||
| 71 | var |
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| 72 | DelphiXDXPlayForm: TDelphiXDXPlayForm; |
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| 73 | |||
| 74 | implementation |
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| 75 | |||
| 76 | uses DXConsts; |
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| 77 | |||
| 78 | {$R *.DFM} |
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| 79 | |||
| 80 | procedure TDelphiXDXPlayForm.FormShow(Sender: TObject); |
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| 81 | begin |
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| 82 | ProviderList.Items := DXPlay.Providers; |
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| 83 | NotebookPageChanged(nil); |
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| 84 | end; |
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| 85 | |||
| 86 | procedure TDelphiXDXPlayForm.FormDestroy(Sender: TObject); |
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| 87 | var |
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| 88 | i: Integer; |
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| 89 | begin |
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| 90 | for i:=0 to JoinGameSessionList.Items.Count-1 do |
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| 91 | Dispose(PGUID(JoinGameSessionList.Items.Objects[i])); |
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| 92 | end; |
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| 93 | |||
| 94 | procedure TDelphiXDXPlayForm.BackButtonClick(Sender: TObject); |
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| 95 | begin |
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| 96 | JoinGameGetPlayerListTimer.Enabled := False; |
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| 97 | |||
| 98 | if Notebook.ActivePage='SessionNew' then |
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| 99 | begin |
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| 100 | DPlay := nil; |
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| 101 | Notebook.ActivePage := 'SessionType' |
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| 102 | end else if Notebook.ActivePage='SessionJoin' then |
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| 103 | begin |
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| 104 | DPlay := nil; |
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| 105 | Notebook.ActivePage := 'SessionType' |
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| 106 | end else |
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| 107 | Notebook.PageIndex := Notebook.PageIndex - 1; |
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| 108 | end; |
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| 109 | |||
| 110 | procedure TDelphiXDXPlayForm.NextButtonClick(Sender: TObject); |
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| 111 | |||
| 112 | procedure InitDirectPlay; |
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| 113 | var |
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| 4 | daniel-mar | 114 | DPlay1: //{$IfDef DX7} |
| 115 | IDirectPlay; |
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| 116 | //{$Else}IDirectPlay8Server{$EndIf}; |
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| 1 | daniel-mar | 117 | begin |
| 118 | if DXDirectPlayCreate(FProviderGUID, DPlay1, nil)<>0 then |
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| 119 | raise EDXPlayError.CreateFmt(SCannotInitialized, [SDirectPlay]); |
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| 120 | |||
| 4 | daniel-mar | 121 | DPlay := DPlay1 as //{$IfDef DX7} |
| 122 | IDirectPlay4A//{$Else}IDirectPlay8Address{$EndIf} |
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| 1 | daniel-mar | 123 | end; |
| 124 | |||
| 125 | function EnumSessionsCallback(const lpThisSD: TDPSessionDesc2; |
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| 126 | var lpdwTimeOut: DWORD; dwFlags: DWORD; lpContext: Pointer): BOOL; stdcall; |
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| 127 | var |
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| 128 | Guid: PGUID; |
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| 129 | begin |
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| 130 | if dwFlags and DPESC_TIMEDOUT<>0 then |
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| 131 | begin |
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| 132 | Result := False; |
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| 133 | Exit; |
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| 134 | end; |
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| 135 | |||
| 136 | Guid := New(PGUID); |
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| 137 | Move(lpThisSD.guidInstance, Guid^, SizeOf(TGUID)); |
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| 4 | daniel-mar | 138 | {$IFDEF UNICODE} |
| 139 | TDelphiXDXPlayForm(lpContext).JoinGameSessionList.Items.AddObject(lpThisSD.lpszSessionNameW, Pointer(Guid)); |
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| 140 | {$ELSE} |
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| 1 | daniel-mar | 141 | TDelphiXDXPlayForm(lpContext).JoinGameSessionList.Items.AddObject(lpThisSD.lpszSessionNameA, Pointer(Guid)); |
| 4 | daniel-mar | 142 | {$ENDIF} |
| 1 | daniel-mar | 143 | Result := True; |
| 144 | end; |
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| 145 | |||
| 146 | var |
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| 147 | dpDesc: TDPSessionDesc2; |
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| 148 | i: Integer; |
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| 149 | c: array[0..1023] of Char; |
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| 150 | hr: HRESULT; |
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| 151 | begin |
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| 152 | if Notebook.ActivePage='SelectProvider' then |
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| 153 | begin |
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| 154 | FProviderGUID := PGUID(ProviderList.Items.Objects[ProviderList.ItemIndex])^; |
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| 155 | |||
| 156 | InitDirectPlay; |
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| 157 | |||
| 158 | Notebook.ActivePage := 'SessionType'; |
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| 159 | end else |
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| 160 | if Notebook.ActivePage='SessionType' then |
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| 161 | begin |
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| 162 | if DPlay=nil then InitDirectPlay; |
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| 163 | |||
| 164 | if NewGame.Checked then |
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| 165 | Notebook.ActivePage := 'SessionNew' |
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| 166 | else |
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| 167 | begin |
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| 168 | for i:=0 to JoinGameSessionList.Items.Count-1 do |
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| 169 | Dispose(PGUID(JoinGameSessionList.Items.Objects[i])); |
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| 170 | JoinGameSessionList.Items.Clear; |
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| 171 | |||
| 172 | FillChar(dpDesc, SizeOf(dpDesc), 0); |
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| 173 | dpDesc.dwSize := SizeOf(dpDesc); |
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| 174 | dpDesc.guidApplication := DXPlayStringToGUID(DXPlay.GUID); |
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| 175 | |||
| 176 | hr := DPlay.EnumSessions(dpDesc, 0, @EnumSessionsCallback, Self, DPENUMSESSIONS_AVAILABLE); |
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| 177 | if hr=DPERR_USERCANCEL then Exit; |
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| 178 | if hr<>0 then |
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| 179 | raise EDXPlayError.Create(SDXPlaySessionListCannotBeAcquired); |
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| 180 | |||
| 181 | Notebook.ActivePage := 'SessionJoin'; |
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| 182 | end; |
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| 183 | end else if Notebook.ActivePage='SessionNew' then |
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| 184 | begin |
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| 185 | if DPlay=nil then InitDirectPlay; |
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| 186 | |||
| 187 | { Session making } |
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| 188 | StrLCopy(@c, PChar(NewGameSessionName.Text), SizeOf(c)); |
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| 189 | |||
| 190 | FillChar(dpDesc, SizeOf(dpDesc), 0); |
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| 191 | dpDesc.dwSize := SizeOf(dpDesc); |
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| 192 | dpDesc.dwFlags := DPSESSION_MIGRATEHOST or DPSESSION_KEEPALIVE; |
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| 193 | dpDesc.lpszSessionNameA := @c; |
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| 194 | dpDesc.guidApplication := DXPlayStringToGUID(DXPlay.GUID); |
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| 195 | dpDesc.dwMaxPlayers := DXPlay.MaxPlayers; |
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| 196 | |||
| 197 | hr := DPlay.Open(dpDesc, DPOPEN_CREATE); |
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| 198 | if hr=DPERR_USERCANCEL then Exit; |
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| 199 | if hr<>0 then |
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| 200 | begin |
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| 201 | DPlay := nil; |
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| 202 | raise EDXPlayError.CreateFmt(SDXPlaySessionCannotOpened, [NewGameSessionName.Text]); |
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| 203 | end; |
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| 204 | |||
| 205 | PlayerName := NewGamePlayerName.Text; |
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| 206 | ProviderName := ProviderList.Items[ProviderList.ItemIndex]; |
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| 207 | SessionName := NewGameSessionName.Text; |
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| 208 | |||
| 209 | Tag := 1; |
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| 210 | Close; |
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| 211 | end else if Notebook.ActivePage='SessionJoin' then |
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| 212 | begin |
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| 213 | if DPlay=nil then InitDirectPlay; |
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| 214 | |||
| 215 | { Session connection } |
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| 216 | FillChar(dpDesc, SizeOf(dpDesc), 0); |
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| 217 | dpDesc.dwSize := SizeOf(dpDesc); |
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| 218 | dpDesc.guidInstance := PGUID(JoinGameSessionList.Items.Objects[JoinGameSessionList.ItemIndex])^; |
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| 219 | dpDesc.guidApplication := DXPlayStringToGUID(DXPlay.GUID); |
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| 220 | |||
| 221 | hr := DPlay.Open(dpDesc, DPOPEN_JOIN); |
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| 222 | if hr=DPERR_USERCANCEL then Exit; |
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| 223 | if hr<>0 then |
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| 224 | begin |
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| 225 | DPlay := nil; |
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| 226 | raise EDXPlayError.CreateFmt(SDXPlaySessionCannotOpened, [NewGameSessionName.Text]); |
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| 227 | end; |
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| 228 | |||
| 229 | PlayerName := JoinGamePlayerName.Text; |
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| 230 | ProviderName := ProviderList.Items[ProviderList.ItemIndex]; |
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| 231 | SessionName := JoinGameSessionList.Items[JoinGameSessionList.ItemIndex]; |
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| 232 | |||
| 233 | Tag := 1; |
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| 234 | Close; |
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| 235 | end else |
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| 236 | Notebook.PageIndex := Notebook.PageIndex + 1; |
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| 237 | end; |
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| 238 | |||
| 239 | procedure TDelphiXDXPlayForm.JoinGameGetPlayerListTimerTimer( |
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| 240 | Sender: TObject); |
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| 241 | |||
| 242 | function EnumPlayersCallback2(TDPID: TDPID; dwPlayerType: DWORD; |
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| 243 | const lpName: TDPName; dwFlags: DWORD; lpContext: Pointer): BOOL; stdcall; |
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| 244 | begin |
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| 245 | with lpName do |
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| 246 | begin |
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| 247 | if lpszShortNameA<>nil then |
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| 4 | daniel-mar | 248 | {$IFDEF UNICODE} |
| 249 | TDelphiXDXPlayForm(lpContext).JoinGamePlayerList.Items.Add(lpszShortNameW); |
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| 250 | {$ELSE} |
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| 1 | daniel-mar | 251 | TDelphiXDXPlayForm(lpContext).JoinGamePlayerList.Items.Add(lpszShortNameA); |
| 4 | daniel-mar | 252 | {$ENDIF} |
| 1 | daniel-mar | 253 | end; |
| 254 | |||
| 255 | Result := True; |
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| 256 | end; |
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| 257 | |||
| 258 | var |
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| 259 | dpDesc: TDPSessionDesc2; |
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| 260 | hr: HRESULT; |
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| 261 | TempDPlay: IDirectPlay4A; |
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| 262 | DPlay1: IDirectPlay; |
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| 263 | begin |
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| 264 | JoinGameGetPlayerListTimer.Enabled := False; |
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| 265 | JoinGamePlayerList.Items.Clear; |
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| 266 | |||
| 267 | TempDPlay := DPlay; |
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| 268 | if TempDPlay=nil then |
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| 269 | begin |
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| 270 | if DXDirectPlayCreate(FProviderGUID, DPlay1, nil)<>0 then |
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| 271 | Exit; |
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| 272 | TempDPlay := DPlay1 as IDirectPlay4A; |
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| 273 | DPlay1 := nil; |
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| 274 | end; |
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| 275 | try |
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| 276 | FillChar(dpDesc, SizeOf(dpDesc), 0); |
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| 277 | dpDesc.dwSize := SizeOf(dpDesc); |
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| 278 | dpDesc.guidInstance := PGUID(JoinGameSessionList.Items.Objects[JoinGameSessionList.ItemIndex])^; |
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| 279 | dpDesc.guidApplication := DXPlayStringToGUID(DXPlay.GUID); |
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| 280 | |||
| 281 | hr := TempDPlay.Open(dpDesc, DPOPEN_JOIN); |
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| 282 | if hr<>0 then Exit; |
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| 283 | try |
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| 4 | daniel-mar | 284 | TempDPlay.EnumPlayers(PGUID(nil), @EnumPlayersCallback2, Self, DPENUMPLAYERS_REMOTE); |
| 1 | daniel-mar | 285 | finally |
| 286 | TempDPlay.Close; |
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| 287 | end; |
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| 288 | finally |
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| 289 | TempDPlay := nil; |
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| 290 | end; |
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| 291 | end; |
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| 292 | |||
| 293 | procedure TDelphiXDXPlayForm.CancelButtonClick(Sender: TObject); |
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| 294 | begin |
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| 295 | Close; |
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| 296 | end; |
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| 297 | |||
| 298 | procedure TDelphiXDXPlayForm.NotebookPageChanged(Sender: TObject); |
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| 299 | begin |
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| 300 | if Notebook.ActivePage='SelectProvider' then |
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| 301 | begin |
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| 302 | BackButton.Enabled := False; |
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| 303 | NextButton.Enabled := ProviderList.ItemIndex<>-1; |
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| 304 | NextButton.Caption := DXPlayFormNext; |
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| 305 | end else if Notebook.ActivePage='SessionType' then |
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| 306 | begin |
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| 307 | BackButton.Enabled := True; |
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| 308 | NextButton.Enabled := NewGame.Checked or JoinGame.Checked; |
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| 309 | NextButton.Caption := DXPlayFormNext; |
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| 310 | end else if Notebook.ActivePage='SessionNew' then |
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| 311 | begin |
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| 312 | BackButton.Enabled := True; |
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| 313 | NextButton.Enabled := (NewGameSessionName.Text<>'') and (NewGamePlayerName.Text<>''); |
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| 314 | NextButton.Caption := DXPlayFormComplete; |
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| 315 | end else if Notebook.ActivePage='SessionJoin' then |
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| 316 | begin |
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| 317 | BackButton.Enabled := True; |
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| 318 | NextButton.Enabled := (JoinGameSessionList.ItemIndex<>-1) and (JoinGamePlayerName.Text<>''); |
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| 319 | NextButton.Caption := DXPlayFormComplete; |
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| 320 | end; |
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| 321 | end; |
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| 322 | |||
| 323 | procedure TDelphiXDXPlayForm.JoinGameSessionListClick(Sender: TObject); |
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| 324 | begin |
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| 325 | NotebookPageChanged(nil); |
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| 326 | |||
| 327 | JoinGamePlayerList.Clear; |
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| 328 | if JoinGameSessionList.ItemIndex<>-1 then |
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| 329 | begin |
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| 330 | JoinGameGetPlayerListTimer.Enabled := False; |
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| 331 | JoinGameGetPlayerListTimer.Enabled := True; |
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| 332 | end; |
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| 333 | end; |
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| 334 | |||
| 335 | procedure TDelphiXDXPlayForm.ProviderListClick(Sender: TObject); |
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| 336 | begin |
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| 337 | NotebookPageChanged(nil); |
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| 338 | end; |
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| 339 | |||
| 340 | procedure TDelphiXDXPlayForm.NewGameClick(Sender: TObject); |
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| 341 | begin |
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| 342 | NotebookPageChanged(nil); |
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| 343 | end; |
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| 344 | |||
| 345 | procedure TDelphiXDXPlayForm.EditKeyDown(Sender: TObject; |
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| 346 | var Key: Word; Shift: TShiftState); |
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| 347 | begin |
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| 348 | if (Key=VK_RETURN) and (NextButton.Enabled) then |
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| 349 | begin |
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| 350 | NextButtonClick(nil); |
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| 351 | Key := 0; |
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| 352 | end; |
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| 353 | end; |
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| 354 | |||
| 355 | procedure TDelphiXDXPlayForm.NewGameSessionNameKeyDown(Sender: TObject; |
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| 356 | var Key: Word; Shift: TShiftState); |
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| 357 | begin |
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| 358 | if NewGameSessionName.Text='' then Exit; |
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| 359 | |||
| 360 | if Key=VK_RETURN then |
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| 361 | begin |
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| 362 | if NextButton.Enabled then |
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| 363 | begin |
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| 364 | NextButtonClick(nil); |
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| 365 | Key := 0; |
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| 366 | end else if NewGamePlayerName.Text='' then |
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| 367 | begin |
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| 368 | NewGamePlayerName.SetFocus; |
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| 369 | Key := 0; |
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| 370 | end; |
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| 371 | end; |
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| 372 | end; |
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| 373 | |||
| 374 | procedure TDelphiXDXPlayForm.NewGamePlayerNameKeyDown(Sender: TObject; |
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| 375 | var Key: Word; Shift: TShiftState); |
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| 376 | begin |
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| 377 | if NewGamePlayerName.Text='' then Exit; |
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| 378 | |||
| 379 | if Key=VK_RETURN then |
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| 380 | begin |
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| 381 | if NextButton.Enabled then |
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| 382 | begin |
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| 383 | NextButtonClick(nil); |
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| 384 | Key := 0; |
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| 385 | end else if NewGameSessionName.Text='' then |
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| 386 | begin |
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| 387 | NewGameSessionName.SetFocus; |
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| 388 | Key := 0; |
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| 389 | end; |
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| 390 | end; |
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| 391 | end; |
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| 392 | |||
| 393 | procedure TDelphiXDXPlayForm.JoinGameSessionListKeyDown(Sender: TObject; |
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| 394 | var Key: Word; Shift: TShiftState); |
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| 395 | begin |
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| 396 | if JoinGameSessionList.ItemIndex=-1 then Exit; |
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| 397 | |||
| 398 | if Key=VK_RETURN then |
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| 399 | begin |
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| 400 | if NextButton.Enabled then |
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| 401 | begin |
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| 402 | NextButtonClick(nil); |
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| 403 | Key := 0; |
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| 404 | end else if JoinGamePlayerName.Text='' then |
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| 405 | begin |
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| 406 | JoinGamePlayerName.SetFocus; |
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| 407 | Key := 0; |
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| 408 | end; |
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| 409 | end; |
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| 410 | end; |
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| 411 | |||
| 412 | procedure TDelphiXDXPlayForm.JoinGamePlayerNameKeyDown(Sender: TObject; |
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| 413 | var Key: Word; Shift: TShiftState); |
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| 414 | begin |
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| 415 | if JoinGamePlayerName.Text='' then Exit; |
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| 416 | |||
| 417 | if Key=VK_RETURN then |
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| 418 | begin |
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| 419 | if NextButton.Enabled then |
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| 420 | begin |
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| 421 | NextButtonClick(nil); |
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| 422 | Key := 0; |
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| 423 | end else if JoinGameSessionList.ItemIndex=-1 then |
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| 424 | begin |
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| 425 | JoinGameSessionList.SetFocus; |
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| 426 | Key := 0; |
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| 427 | end; |
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| 428 | end; |
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| 429 | end; |
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| 430 | |||
| 431 | end. |
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| 432 |