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-rw-r--r--Game/Code/Classes/UDLLManager.pas252
1 files changed, 252 insertions, 0 deletions
diff --git a/Game/Code/Classes/UDLLManager.pas b/Game/Code/Classes/UDLLManager.pas
new file mode 100644
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+++ b/Game/Code/Classes/UDLLManager.pas
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+unit UDLLManager;
+
+interface
+
+{$IFDEF FPC}
+ {$MODE Delphi}
+{$ENDIF}
+
+{$I switches.inc}
+
+uses ModiSDK,
+ UFiles;
+
+type
+ TDLLMan = class
+ private
+ hLib: THandle;
+ P_Init: fModi_Init;
+ P_Draw: fModi_Draw;
+ P_Finish: fModi_Finish;
+ P_RData: pModi_RData;
+ public
+ Plugins: array of TPluginInfo;
+ PluginPaths: array of String;
+ Selected: ^TPluginInfo;
+
+ constructor Create;
+
+ procedure GetPluginList;
+ procedure ClearPluginInfo(No: Cardinal);
+ function LoadPluginInfo(Filename: String; No: Cardinal): boolean;
+
+ function LoadPlugin(No: Cardinal): boolean;
+ procedure UnLoadPlugin;
+
+ function PluginInit (const TeamInfo: TTeamInfo; var Playerinfo: TPlayerinfo; const Sentences: TSentences; const LoadTex: fModi_LoadTex; const Print: fModi_Print; LoadSound: fModi_LoadSound; PlaySound: pModi_PlaySound): boolean;
+ function PluginDraw (var Playerinfo: TPlayerinfo; const CurSentence: Cardinal): boolean;
+ function PluginFinish (var Playerinfo: TPlayerinfo): byte;
+ procedure PluginRData (handle: HSTREAM; buffer: Pointer; len: DWORD; user: DWORD);
+ end;
+
+var
+ DLLMan: TDLLMan;
+
+const
+ DLLPath = 'Plugins';
+
+ {$IFDEF MSWINDOWS}
+ DLLExt = '.dll';
+ {$ENDIF}
+ {$IFDEF LINUX}
+ DLLExt = '.so';
+ {$ENDIF}
+ {$IFDEF DARWIN}
+ DLLExt = '.dylib';
+ {$ENDIF}
+
+implementation
+
+uses {$IFDEF MSWINDOWS}
+ windows,
+ {$ELSE}
+ dynlibs,
+ {$ENDIF}
+ ULog,
+ SysUtils;
+
+
+constructor TDLLMan.Create;
+begin
+ SetLength(Plugins, 0);
+ SetLength(PluginPaths, Length(Plugins));
+ GetPluginList;
+end;
+
+procedure TDLLMan.GetPluginList;
+var
+ SR: TSearchRec;
+begin
+
+ if FindFirst(DLLPath +PathDelim+ '*' + DLLExt, faAnyFile , SR) = 0 then
+ begin
+ repeat
+ SetLength(Plugins, Length(Plugins)+1);
+ SetLength(PluginPaths, Length(Plugins));
+
+ if LoadPluginInfo(SR.Name, High(Plugins)) then //Loaded succesful
+ begin
+ PluginPaths[High(PluginPaths)] := SR.Name;
+ end
+ else //Error Loading
+ begin
+ SetLength(Plugins, Length(Plugins)-1);
+ SetLength(PluginPaths, Length(Plugins));
+ end;
+
+ until FindNext(SR) <> 0;
+ FindClose(SR);
+ end;
+end;
+
+procedure TDLLMan.ClearPluginInfo(No: Cardinal);
+begin
+ //Set to Party Modi Plugin
+ Plugins[No].Typ := 8;
+
+ Plugins[No].Name := 'unknown';
+ Plugins[No].NumPlayers := 0;
+
+ Plugins[No].Creator := 'Nobody';
+ Plugins[No].PluginDesc := 'NO_PLUGIN_DESC';
+
+ Plugins[No].LoadSong := True;
+ Plugins[No].ShowScore := True;
+ Plugins[No].ShowBars := False;
+ Plugins[No].ShowNotes := True;
+ Plugins[No].LoadVideo := True;
+ Plugins[No].LoadBack := True;
+
+ Plugins[No].TeamModeOnly := False;
+ Plugins[No].GetSoundData := False;
+ Plugins[No].Dummy := False;
+
+
+ Plugins[No].BGShowFull := False;
+ Plugins[No].BGShowFull_O := True;
+
+ Plugins[No].ShowRateBar:= False;
+ Plugins[No].ShowRateBar_O := True;
+
+ Plugins[No].EnLineBonus := False;
+ Plugins[No].EnLineBonus_O := True;
+end;
+
+function TDLLMan.LoadPluginInfo(Filename: String; No: Cardinal): boolean;
+var
+ hLibg: THandle;
+ Info: pModi_PluginInfo;
+ I: Integer;
+begin
+ Result := False;
+ //Clear Plugin Info
+ ClearPluginInfo(No);
+
+ {//Workaround Plugins Loaded 2 Times
+ For I := low(PluginPaths) to high(PluginPaths) do
+ if (PluginPaths[I] = Filename) then
+ exit; }
+
+ //Load Libary
+ hLibg := LoadLibrary(PChar(DLLPath +PathDelim+ Filename));
+ //If Loaded
+ if (hLibg <> 0) then
+ begin
+ //Load Info Procedure
+ @Info := GetProcAddress (hLibg, PChar('PluginInfo'));
+
+ //If Loaded
+ if (@Info <> nil) then
+ begin
+ //Load PluginInfo
+ Info (Plugins[No]);
+ Result := True;
+ end
+ else
+ Log.LogError('Could not Load Plugin "' + Filename + '": Info Procedure not Found');
+
+ FreeLibrary (hLibg);
+ end
+ else
+ Log.LogError('Could not Load Plugin "' + Filename + '": Libary not Loaded');
+end;
+
+function TDLLMan.LoadPlugin(No: Cardinal): boolean;
+begin
+ Result := False;
+ //Load Libary
+ hLib := LoadLibrary(PChar(DLLPath +PathDelim+ PluginPaths[No]));
+ //If Loaded
+ if (hLib <> 0) then
+ begin
+ //Load Info Procedure
+ @P_Init := GetProcAddress (hLib, PChar('Init'));
+ @P_Draw := GetProcAddress (hLib, PChar('Draw'));
+ @P_Finish := GetProcAddress (hLib, PChar('Finish'));
+
+ //If Loaded
+ if (@P_Init <> nil) And (@P_Draw <> nil) And (@P_Finish <> nil) then
+ begin
+ Selected := @Plugins[No];
+ Result := True;
+ end
+ else
+ begin
+ Log.LogError('Could not Load Plugin "' + PluginPaths[No] + '": Procedures not Found');
+
+ end;
+ end
+ else
+ Log.LogError('Could not Load Plugin "' + PluginPaths[No] + '": Libary not Loaded');
+end;
+
+procedure TDLLMan.UnLoadPlugin;
+begin
+if (hLib <> 0) then
+ FreeLibrary (hLib);
+
+//Selected := nil;
+@P_Init := nil;
+@P_Draw := nil;
+@P_Finish := nil;
+@P_RData := nil;
+end;
+
+function TDLLMan.PluginInit (const TeamInfo: TTeamInfo; var Playerinfo: TPlayerinfo; const Sentences: TSentences; const LoadTex: fModi_LoadTex; const Print: fModi_Print; LoadSound: fModi_LoadSound; PlaySound: pModi_PlaySound): boolean;
+var
+ Methods: TMethodRec;
+begin
+ Methods.LoadTex := LoadTex;
+ Methods.Print := Print;
+ Methods.LoadSound := LoadSound;
+ Methods.PlaySound := PlaySound;
+
+ if (@P_Init <> nil) then
+ Result := P_Init (TeamInfo, PlayerInfo, Sentences, Methods)
+ else
+ Result := False
+end;
+
+function TDLLMan.PluginDraw (var Playerinfo: TPlayerinfo; const CurSentence: Cardinal): boolean;
+begin
+if (@P_Draw <> nil) then
+ Result := P_Draw (PlayerInfo, CurSentence)
+else
+ Result := False
+end;
+
+function TDLLMan.PluginFinish (var Playerinfo: TPlayerinfo): byte;
+begin
+if (@P_Finish <> nil) then
+ Result := P_Finish (PlayerInfo)
+else
+ Result := 0;
+end;
+
+procedure TDLLMan.PluginRData (handle: HSTREAM; buffer: Pointer; len: DWORD; user: DWORD);
+begin
+if (@P_RData <> nil) then
+ P_RData (handle, buffer, len, user);
+end;
+
+end.