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Diffstat (limited to 'ServiceBasedPlugins/src/base/UDLLManager.pas')
| -rw-r--r-- | ServiceBasedPlugins/src/base/UDLLManager.pas | 278 |
1 files changed, 278 insertions, 0 deletions
diff --git a/ServiceBasedPlugins/src/base/UDLLManager.pas b/ServiceBasedPlugins/src/base/UDLLManager.pas new file mode 100644 index 00000000..cd4b7991 --- /dev/null +++ b/ServiceBasedPlugins/src/base/UDLLManager.pas @@ -0,0 +1,278 @@ +{* UltraStar Deluxe - Karaoke Game + * + * UltraStar Deluxe is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + * $URL$ + * $Id$ + *} + +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'; + +{$IF Defined(MSWINDOWS)} + DLLExt = '.dll'; +{$ELSEIF Defined(DARWIN)} + DLLExt = '.dylib'; +{$ELSEIF Defined(UNIX)} + DLLExt = '.so'; +{$IFEND} + +implementation + +uses + {$IFDEF MSWINDOWS} + windows, + {$ELSE} + dynlibs, + {$ENDIF} + ULog, + SysUtils; + + +constructor TDLLMan.Create; +begin + inherited; + 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. |