diff options
author | tobigun <tobigun@b956fd51-792f-4845-bead-9b4dfca2ff2c> | 2009-03-21 19:11:54 +0000 |
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committer | tobigun <tobigun@b956fd51-792f-4845-bead-9b4dfca2ff2c> | 2009-03-21 19:11:54 +0000 |
commit | 31b5e9286f721b7cc81f620a28d8de5d0087c63c (patch) | |
tree | 6e2633706ea7660e21246940d06330e0d0098a44 /src/base | |
parent | 786adb9a238a6e8a4e49b16f691a926c265da232 (diff) | |
download | usdx-31b5e9286f721b7cc81f620a28d8de5d0087c63c.tar.gz usdx-31b5e9286f721b7cc81f620a28d8de5d0087c63c.tar.xz usdx-31b5e9286f721b7cc81f620a28d8de5d0087c63c.zip |
New plugin mode reverted (will be moved to a branch afterwards).
Party mode might work again (untested). This might break linux compatibility.
git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/trunk@1641 b956fd51-792f-4845-bead-9b4dfca2ff2c
Diffstat (limited to 'src/base')
-rw-r--r-- | src/base/UCore.pas | 550 | ||||
-rw-r--r-- | src/base/UCoreModule.pas | 154 | ||||
-rw-r--r-- | src/base/UHooks.pas | 460 | ||||
-rw-r--r-- | src/base/UMain.pas | 8 | ||||
-rw-r--r-- | src/base/UModules.pas | 55 | ||||
-rw-r--r-- | src/base/UNote.pas | 2 | ||||
-rw-r--r-- | src/base/UParty.pas | 562 | ||||
-rw-r--r-- | src/base/UPluginInterface.pas | 186 | ||||
-rw-r--r-- | src/base/UPluginLoader.pas | 794 | ||||
-rw-r--r-- | src/base/UServices.pas | 384 |
10 files changed, 141 insertions, 3014 deletions
diff --git a/src/base/UCore.pas b/src/base/UCore.pas deleted file mode 100644 index a7f9e56e..00000000 --- a/src/base/UCore.pas +++ /dev/null @@ -1,550 +0,0 @@ -{* 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 UCore; - -interface - -{$IFDEF FPC} - {$MODE Delphi} -{$ENDIF} - -{$I switches.inc} - -uses - uPluginDefs, - uCoreModule, - UHooks, - UServices, - UModules; - -{********************* - TCore - Class manages all CoreModules, the StartUp, the MainLoop and the shutdown process - Also, it does some error handling, and maybe sometime multithreaded loading ;) -*********************} - -type - TModuleListItem = record - Module: TCoreModule; // Instance of the modules class - Info: TModuleInfo; // ModuleInfo returned by modules modulinfo proc - NeedsDeInit: boolean; // True if module was succesful inited - end; - - TCore = class - private - // Some Hook Handles. See Plugin SDKs Hooks.txt for Infos - hLoadingFinished: THandle; - hMainLoop: THandle; - hTranslate: THandle; - hLoadTextures: THandle; - hExitQuery: THandle; - hExit: THandle; - hDebug: THandle; - hError: THandle; - sReportError: THandle; - sReportDebug: THandle; - sShowMessage: THandle; - sRetranslate: THandle; - sReloadTextures: THandle; - sGetModuleInfo: THandle; - sGetApplicationHandle: THandle; - - Modules: array [0..High(CORE_MODULES_TO_LOAD)] of TModuleListItem; - - // Cur + Last Executed Setting and Getting ;) - iCurExecuted: integer; - iLastExecuted: integer; - - procedure SetCurExecuted(Value: integer); - - // Function Get all Modules and Creates them - function GetModules: boolean; - - // Loads Core and all Modules - function Load: boolean; - - // Inits Core and all Modules - function Init: boolean; - - // DeInits Core and all Modules - function DeInit: boolean; - - // Load the Core - function LoadCore: boolean; - - // Init the Core - function InitCore: boolean; - - // DeInit the Core - function DeInitCore: boolean; - - // Called one time per frame - function MainLoop: boolean; - - public - Hooks: THookManager; // The Hook Manager ;) - Services: TServiceManager; // The Service Manager - - Name: string; // Name of this application - Version: LongWord; // Version of this ". For info look plugindefs functions - - LastErrorReporter: string; // Who reported the last error string - LastErrorString: string; // Last error string reported - - property CurExecuted: integer read iCurExecuted write SetCurExecuted; //ID of plugin or module curently executed - property LastExecuted: integer read iLastExecuted; - - //--------------- - // Main methods to control the core: - //--------------- - constructor Create(const cName: string; const cVersion: LongWord); - - // Starts loading and init process. Then runs MainLoop. DeInits on shutdown - procedure Run; - - // Method for other classes to get pointer to a specific module - function GetModulebyName(const Name: string): PCoreModule; - - //-------------- - // Hook and service procs: - //-------------- - function ShowMessage(wParam: TwParam; lParam: TlParam): integer; //Shows a Message (lParam: PChar Text, wParam: Symbol) - function ReportError(wParam: TwParam; lParam: TlParam): integer; //Shows a Message (wParam: Pchar(Message), lParam: PChar(Reportername)) - function ReportDebug(wParam: TwParam; lParam: TlParam): integer; //Shows a Message (wParam: Pchar(Message), lParam: PChar(Reportername)) - function Retranslate(wParam: TwParam; lParam: TlParam): integer; //Calls Translate hook - function ReloadTextures(wParam: TwParam; lParam: TlParam): integer; //Calls LoadTextures hook - function GetModuleInfo(wParam: TwParam; lParam: TlParam): integer; //If lParam = nil then get length of Moduleinfo array. If lparam <> nil then write array of TModuleInfo to address at lparam - function GetApplicationHandle(wParam: TwParam; lParam: TlParam): integer; //Returns Application Handle - end; - -var - Core: TCore; - -implementation - -uses - {$IFDEF win32} - Windows, - {$ENDIF} - SysUtils; - -//------------- -// Create - Creates Class + Hook and Service Manager -//------------- -constructor TCore.Create(const cName: string; const cVersion: LongWord); -begin - inherited Create; - - Name := cName; - Version := cVersion; - iLastExecuted := 0; - iCurExecuted := 0; - - LastErrorReporter := ''; - LastErrorString := ''; - - Hooks := THookManager.Create(50); - Services := TServiceManager.Create; -end; - -//------------- -// Starts Loading and Init process. Then runs MainLoop. DeInits on shutdown -//------------- -procedure TCore.Run; -var - Success: boolean; - - procedure HandleError(const ErrorMsg: string); - begin - if (LastErrorString <> '') then - Self.ShowMessage(CORE_SM_ERROR, PChar(ErrorMsg + ': ' + LastErrorString)) - else - Self.ShowMessage(CORE_SM_ERROR, PChar(ErrorMsg)); - - // DeInit - DeInit; - end; - -begin - // Get modules - try - Success := GetModules(); - except - Success := false; - end; - - if (not Success) then - begin - HandleError('Error Getting Modules'); - Exit; - end; - - // Loading - try - Success := Load(); - except - Success := false; - end; - - if (not Success) then - begin - HandleError('Error loading Modules'); - Exit; - end; - - // Init - try - Success := Init(); - except - Success := false; - end; - - if (not Success) then - begin - HandleError('Error initing Modules'); - Exit; - end; - - // Call Translate Hook - if (Hooks.CallEventChain(hTranslate, 0, nil) <> 0) then - begin - HandleError('Error translating'); - Exit; - end; - - // Calls LoadTextures Hook - if (Hooks.CallEventChain(hLoadTextures, 0, nil) <> 0) then - begin - HandleError('Error loading textures'); - Exit; - end; - - // Calls Loading Finished Hook - if (Hooks.CallEventChain(hLoadingFinished, 0, nil) <> 0) then - begin - HandleError('Error calling LoadingFinished Hook'); - Exit; - end; - - // Start MainLoop - while Success do - begin - Success := MainLoop(); - // to-do : Call Display Draw here - end; -end; - -//------------- -// Called one time per frame -//------------- -function TCore.MainLoop: boolean; -begin - Result := false; -end; - -//------------- -// Function get all modules and creates them -//------------- -function TCore.GetModules: boolean; -var - i: integer; -begin - Result := false; - for i := 0 to high(Modules) do - begin - try - Modules[i].NeedsDeInit := false; - Modules[i].Module := CORE_MODULES_TO_LOAD[i].Create; - Modules[i].Module.Info(@Modules[i].Info); - except - ReportError(integer(PChar('Can''t get module #' + InttoStr(i) + ' "' + Modules[i].Info.Name + '"')), PChar('Core')); - Exit; - end; - end; - Result := true; -end; - -//------------- -// Loads core and all modules -//------------- -function TCore.Load: boolean; -var - i: integer; -begin - Result := LoadCore; - - for i := 0 to High(CORE_MODULES_TO_LOAD) do - begin - try - Result := Modules[i].Module.Load; - except - Result := false; - end; - - if (not Result) then - begin - ReportError(integer(PChar('Error loading module #' + InttoStr(i) + ' "' + Modules[i].Info.Name + '"')), PChar('Core')); - break; - end; - end; -end; - -//------------- -// Inits core and all modules -//------------- -function TCore.Init: boolean; -var - i: integer; -begin - Result := InitCore; - - for i := 0 to High(CORE_MODULES_TO_LOAD) do - begin - try - Result := Modules[i].Module.Init; - except - Result := false; - end; - - if (not Result) then - begin - ReportError(integer(PChar('Error initing module #' + InttoStr(i) + ' "' + Modules[i].Info.Name + '"')), PChar('Core')); - break; - end; - - Modules[i].NeedsDeInit := Result; - end; -end; - -//------------- -// DeInits core and all modules -//------------- -function TCore.DeInit: boolean; -var - i: integer; -begin - - for i := High(CORE_MODULES_TO_LOAD) downto 0 do - begin - try - if (Modules[i].NeedsDeInit) then - Modules[i].Module.DeInit; - except - end; - end; - - DeInitCore; - - Result := true; -end; - -//------------- -// Load the Core -//------------- -function TCore.LoadCore: boolean; -begin - hLoadingFinished := Hooks.AddEvent('Core/LoadingFinished'); - hMainLoop := Hooks.AddEvent('Core/MainLoop'); - hTranslate := Hooks.AddEvent('Core/Translate'); - hLoadTextures := Hooks.AddEvent('Core/LoadTextures'); - hExitQuery := Hooks.AddEvent('Core/ExitQuery'); - hExit := Hooks.AddEvent('Core/Exit'); - hDebug := Hooks.AddEvent('Core/NewDebugInfo'); - hError := Hooks.AddEvent('Core/NewError'); - - sReportError := Services.AddService('Core/ReportError', nil, Self.ReportError); - sReportDebug := Services.AddService('Core/ReportDebug', nil, Self.ReportDebug); - sShowMessage := Services.AddService('Core/ShowMessage', nil, Self.ShowMessage); - sRetranslate := Services.AddService('Core/Retranslate', nil, Self.Retranslate); - sReloadTextures := Services.AddService('Core/ReloadTextures', nil, Self.ReloadTextures); - sGetModuleInfo := Services.AddService('Core/GetModuleInfo', nil, Self.GetModuleInfo); - sGetApplicationHandle := Services.AddService('Core/GetApplicationHandle', nil, Self.GetApplicationHandle); - - // A little Test - Hooks.AddSubscriber('Core/NewError', HookTest); - - result := true; -end; - -//------------- -// Init the Core -//------------- -function TCore.InitCore: boolean; -begin - //Don not init something atm. - result := true; -end; - -//------------- -// DeInit the Core -//------------- -function TCore.DeInitCore: boolean; -begin - // TODO: write TService-/HookManager. Free and call it here - Result := true; -end; - -//------------- -// Method for other classes to get pointer to a specific module -//------------- -function TCore.GetModuleByName(const Name: string): PCoreModule; -var i: integer; -begin - Result := nil; - for i := 0 to High(Modules) do - begin - if (Modules[i].Info.Name = Name) then - begin - Result := @Modules[i].Module; - Break; - end; - end; -end; - -//------------- -// Shows a MessageDialog (lParam: PChar Text, wParam: Symbol) -//------------- -function TCore.ShowMessage(wParam: TwParam; lParam: TlParam): integer; -{$IFDEF MSWINDOWS} -var Params: Cardinal; -{$ENDIF} -begin - Result := -1; - - {$IFDEF MSWINDOWS} - if (lParam <> nil) then - begin - Params := MB_OK; - case wParam of - CORE_SM_ERROR: Params := Params or MB_ICONERROR; - CORE_SM_WARNING: Params := Params or MB_ICONWARNING; - CORE_SM_INFO: Params := Params or MB_ICONINFORMATION; - end; - - // Show: - Result := Messagebox(0, lParam, PChar(Name), Params); - end; - {$ENDIF} - - // TODO: write ShowMessage for other OSes -end; - -//------------- -// Calls NewError HookChain (wParam: Pchar(Message), lParam: PChar(Reportername)) -//------------- -function TCore.ReportError(wParam: TwParam; lParam: TlParam): integer; -begin - //Update LastErrorReporter and LastErrorString - LastErrorReporter := string(PChar(lParam)); - LastErrorString := string(PChar(Pointer(wParam))); - - Hooks.CallEventChain(hError, wParam, lParam); - - // FIXME: return a correct result - Result := 0; -end; - -//------------- -// Calls NewDebugInfo HookChain (wParam: Pchar(Message), lParam: PChar(Reportername)) -//------------- -function TCore.ReportDebug(wParam: TwParam; lParam: TlParam): integer; -begin - Hooks.CallEventChain(hDebug, wParam, lParam); - - // FIXME: return a correct result - Result := 0; -end; - -//------------- -// Calls Translate hook -//------------- -function TCore.Retranslate(wParam: TwParam; lParam: TlParam): integer; -begin - Hooks.CallEventChain(hTranslate, 1, nil); - - // FIXME: return a correct result - Result := 0; -end; - -//------------- -// Calls LoadTextures hook -//------------- -function TCore.ReloadTextures(wParam: TwParam; lParam: TlParam): integer; -begin - Hooks.CallEventChain(hLoadTextures, 1, nil); - - // FIXME: return a correct result - Result := 0; -end; - -//------------- -// If lParam = nil then get length of Moduleinfo array. If lparam <> nil then write array of TModuleInfo to address at lparam -//------------- -function TCore.GetModuleInfo(wParam: TwParam; lParam: TlParam): integer; -var - I: integer; -begin - if (Pointer(lParam) = nil) then - begin - Result := Length(Modules); - end - else - begin - try - for I := 0 to High(Modules) do - begin - AModuleInfo(Pointer(lParam))[I].Name := Modules[I].Info.Name; - AModuleInfo(Pointer(lParam))[I].Version := Modules[I].Info.Version; - AModuleInfo(Pointer(lParam))[I].Description := Modules[I].Info.Description; - end; - Result := Length(Modules); - except - Result := -1; - end; - end; -end; - -//------------- -// Returns Application Handle -//------------- -function TCore.GetApplicationHandle(wParam: TwParam; lParam: TlParam): integer; -begin - Result := hInstance; -end; - -//------------- -// Called when setting CurExecuted -//------------- -procedure TCore.SetCurExecuted(Value: integer); -begin - // Set Last Executed - iLastExecuted := iCurExecuted; - - // Set Cur Executed - iCurExecuted := Value; -end; - -end. diff --git a/src/base/UCoreModule.pas b/src/base/UCoreModule.pas deleted file mode 100644 index b87fec85..00000000 --- a/src/base/UCoreModule.pas +++ /dev/null @@ -1,154 +0,0 @@ -{* 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 UCoreModule; - -interface - -{$IFDEF FPC} - {$MODE Delphi} -{$ENDIF} - -{$I switches.inc} - -{********************* - TCoreModule - Dummy class that has methods that will be called from core - In the best case every piece of this software is a module -*********************} -uses - UPluginDefs; - -type - PCoreModule = ^TCoreModule; - TCoreModule = class - public - Constructor Create; virtual; - - //Function that gives some Infos about the Module to the Core - Procedure Info(const pInfo: PModuleInfo); virtual; - - //Is Called on Loading. - //In this Method only Events and Services should be created - //to offer them to other Modules or Plugins during the Init process - //If False is Returned this will cause a Forced Exit - Function Load: Boolean; virtual; - - //Is Called on Init Process - //In this Method you can Hook some Events and Create + Init - //your Classes, Variables etc. - //If False is Returned this will cause a Forced Exit - Function Init: Boolean; virtual; - - //Is Called during Mainloop before 'Core/MainLoop' Hook and Drawing - //If False is Returned this will cause a Forced Exit - Function MainLoop: Boolean; virtual; - - //Is Called if this Module has been Inited and there is a Exit. - //Deinit is in backwards Initing Order - //If False is Returned this will cause a Forced Exit - Procedure DeInit; virtual; - - //Is Called if this Module will be unloaded and has been created - //Should be used to Free Memory - Destructor Destroy; override; - end; - cCoreModule = class of TCoreModule; - -implementation - -//------------- -// Just the Constructor -//------------- -Constructor TCoreModule.Create; -begin - //Dummy maaaan ;) - inherited; -end; - -//------------- -// Function that gives some Infos about the Module to the Core -//------------- -Procedure TCoreModule.Info(const pInfo: PModuleInfo); -begin - pInfo^.Name := 'Not Set'; - pInfo^.Version := 0; - pInfo^.Description := 'Not Set'; -end; - -//------------- -//Is Called on Loading. -//In this Method only Events and Services should be created -//to offer them to other Modules or Plugins during the Init process -//If False is Returned this will cause a Forced Exit -//------------- -Function TCoreModule.Load: Boolean; -begin - //Dummy ftw!! - Result := True; -end; - -//------------- -//Is Called on Init Process -//In this Method you can Hook some Events and Create + Init -//your Classes, Variables etc. -//If False is Returned this will cause a Forced Exit -//------------- -Function TCoreModule.Init: Boolean; -begin - //Dummy ftw!! - Result := True; -end; - -//------------- -//Is Called during Mainloop before 'Core/MainLoop' Hook and Drawing -//If False is Returned this will cause a Forced Exit -//------------- -Function TCoreModule.MainLoop: Boolean; -begin - //Dummy ftw!! - Result := True; -end; - -//------------- -//Is Called if this Module has been Inited and there is a Exit. -//Deinit is in backwards Initing Order -//------------- -Procedure TCoreModule.DeInit; -begin - //Dummy ftw!! -end; - -//------------- -//Is Called if this Module will be unloaded and has been created -//Should be used to Free Memory -//------------- -Destructor TCoreModule.Destroy; -begin - //Dummy ftw!! - inherited; -end; - -end. diff --git a/src/base/UHooks.pas b/src/base/UHooks.pas deleted file mode 100644 index acf2bba7..00000000 --- a/src/base/UHooks.pas +++ /dev/null @@ -1,460 +0,0 @@ -{* 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 UHooks; - -{********************* - THookManager - Class for saving, managing and calling of hooks. - Saves all hookable events and their subscribers -*********************} -interface - -{$IFDEF FPC} - {$MODE Delphi} -{$ENDIF} - -{$I switches.inc} - -uses - uPluginDefs, - SysUtils; - -type - //Record that saves info from Subscriber - PSubscriberInfo = ^TSubscriberInfo; - TSubscriberInfo = record - Self: THandle; // ID of this Subscription (First word: ID of Subscription; 2nd word: ID of Hook) - Next: PSubscriberInfo; // Pointer to next Item in HookChain - - Owner: integer; //For Error Handling and Plugin Unloading. - - // Here is s/t tricky - // To avoid writing of Wrapping Functions to Hook an Event with a Class - // We save a Normal Proc or a Method of a Class - case isClass: boolean of - false: (Proc: TUS_Hook); //Proc that will be called on Event - true: (ProcOfClass: TUS_Hook_of_Object); - end; - - TEventInfo = record - Name: string[60]; // Name of Event - FirstSubscriber: PSubscriberInfo; // First subscriber in chain - LastSubscriber: PSubscriberInfo; // Last " (for easier subscriber adding) - end; - - THookManager = class - private - Events: array of TEventInfo; - SpaceinEvents: word; //Number of empty Items in Events Array. (e.g. Deleted Items) - - procedure FreeSubscriber(const EventIndex: word; const Last, Cur: PSubscriberInfo); - public - constructor Create(const SpacetoAllocate: word); - - function AddEvent (const EventName: Pchar): THandle; - function DelEvent (hEvent: THandle): integer; - - function AddSubscriber (const EventName: Pchar; const Proc: TUS_Hook = nil; const ProcOfClass: TUS_Hook_of_Object = nil): THandle; - function DelSubscriber (const hSubscriber: THandle): integer; - - function CallEventChain (const hEvent: THandle; const wParam: TwParam; lParam: TlParam): integer; - function EventExists (const EventName: Pchar): integer; - - procedure DelbyOwner(const Owner: integer); - end; - -function HookTest(wParam: TwParam; lParam: TlParam): integer; stdcall; - -var - HookManager: THookManager; - -implementation - -uses - ULog, - UCore; - -//------------ -// Create - Creates Class and Set Standard Values -//------------ -constructor THookManager.Create(const SpacetoAllocate: word); -var - I: integer; -begin - inherited Create(); - - //Get the Space and "Zero" it - SetLength (Events, SpacetoAllocate); - for I := 0 to SpacetoAllocate-1 do - Events[I].Name[1] := chr(0); - - SpaceinEvents := SpacetoAllocate; - - {$IFDEF DEBUG} - debugWriteLn('HookManager: Succesful Created.'); - {$ENDIF} -end; - -//------------ -// AddEvent - Adds an Event and return the Events Handle or 0 on Failure -//------------ -function THookManager.AddEvent (const EventName: Pchar): THandle; -var - I: integer; -begin - Result := 0; - - if (EventExists(EventName) = 0) then - begin - if (SpaceinEvents > 0) then - begin - //There is already Space available - //Go Search it! - for I := 0 to High(Events) do - if (Events[I].Name[1] = chr(0)) then - begin //Found Space - Result := I; - Dec(SpaceinEvents); - Break; - end; - - {$IFDEF DEBUG} - debugWriteLn('HookManager: Found Space for Event at Handle: ''' + InttoStr(Result+1) + ''); - {$ENDIF} - end - else - begin //There is no Space => Go make some! - Result := Length(Events); - SetLength(Events, Result + 1); - end; - - //Set Events Data - Events[Result].Name := EventName; - Events[Result].FirstSubscriber := nil; - Events[Result].LastSubscriber := nil; - - //Handle is Index + 1 - Inc(Result); - - {$IFDEF DEBUG} - debugWriteLn('HookManager: Add Event succesful: ''' + EventName + ''); - {$ENDIF} - end - {$IFDEF DEBUG} - else - debugWriteLn('HookManager: Trying to ReAdd Event: ''' + EventName + ''); - {$ENDIF} -end; - -//------------ -// DelEvent - Deletes an Event by Handle Returns False on Failure -//------------ -function THookManager.DelEvent (hEvent: THandle): integer; -var - Cur, Last: PSubscriberInfo; -begin - hEvent := hEvent - 1; //Arrayindex is Handle - 1 - Result := -1; - - if (Length(Events) > hEvent) and (Events[hEvent].Name[1] <> chr(0)) then - begin //Event exists - //Free the Space for all Subscribers - Cur := Events[hEvent].FirstSubscriber; - - while (Cur <> nil) do - begin - Last := Cur; - Cur := Cur.Next; - FreeMem(Last, SizeOf(TSubscriberInfo)); - end; - - {$IFDEF DEBUG} - debugWriteLn('HookManager: Removed Event succesful: ''' + Events[hEvent].Name + ''); - {$ENDIF} - - //Free the Event - Events[hEvent].Name[1] := chr(0); - Inc(SpaceinEvents); //There is one more space for new events - end - - {$IFDEF DEBUG} - else - debugWriteLn('HookManager: Try to Remove not Existing Event. Handle: ''' + InttoStr(hEvent) + ''); - {$ENDIF} -end; - -//------------ -// AddSubscriber - Adds an Subscriber to the Event by Name -// Returns Handle of the Subscribtion or 0 on Failure -//------------ -function THookManager.AddSubscriber (const EventName: Pchar; const Proc: TUS_Hook; const ProcOfClass: TUS_Hook_of_Object): THandle; -var - EventHandle: THandle; - EventIndex: integer; - Cur: PSubscriberInfo; -begin - Result := 0; - - if (@Proc <> nil) or (@ProcOfClass <> nil) then - begin - EventHandle := EventExists(EventName); - - if (EventHandle <> 0) then - begin - EventIndex := EventHandle - 1; - - //Get Memory - GetMem(Cur, SizeOf(TSubscriberInfo)); - - //Fill it with Data - Cur.Next := nil; - - //Add Owner - Cur.Owner := Core.CurExecuted; - - if (@Proc = nil) then - begin //Use the ProcofClass Method - Cur.isClass := true; - Cur.ProcOfClass := ProcofClass; - end - else //Use the normal Proc - begin - Cur.isClass := false; - Cur.Proc := Proc; - end; - - //Create Handle (1st word: Handle of Event; 2nd word: unique ID - if (Events[EventIndex].LastSubscriber = nil) then - begin - if (Events[EventIndex].FirstSubscriber = nil) then - begin - Result := (EventHandle SHL 16); - Events[EventIndex].FirstSubscriber := Cur; - end - else - begin - Result := Events[EventIndex].FirstSubscriber.Self + 1; - end; - end - else - begin - Result := Events[EventIndex].LastSubscriber.Self + 1; - Events[EventIndex].LastSubscriber.Next := Cur; - end; - - Cur.Self := Result; - - //Add to Chain - Events[EventIndex].LastSubscriber := Cur; - - {$IFDEF DEBUG} - debugWriteLn('HookManager: Add Subscriber to Event ''' + Events[EventIndex].Name + ''' succesful. Handle: ''' + InttoStr(Result) + ''' Owner: ' + InttoStr(Cur.Owner)); - {$ENDIF} - end; - end; -end; - -//------------ -// FreeSubscriber - Helper for DelSubscriber. Prevents Loss of Chain Items. Frees Memory. -//------------ -procedure THookManager.FreeSubscriber(const EventIndex: word; const Last, Cur: PSubscriberInfo); -begin - //Delete from Chain - if (Last <> nil) then - begin - Last.Next := Cur.Next; - end - else //Was first Popup - begin - Events[EventIndex].FirstSubscriber := Cur.Next; - end; - - //Was this Last subscription ? - if (Cur = Events[EventIndex].LastSubscriber) then - begin //Change Last Subscriber - Events[EventIndex].LastSubscriber := Last; - end; - - //Free Space: - FreeMem(Cur, SizeOf(TSubscriberInfo)); -end; - -//------------ -// DelSubscriber - Deletes a Subscribtion by Handle, return non Zero on Failure -//------------ -function THookManager.DelSubscriber (const hSubscriber: THandle): integer; -var - EventIndex: integer; - Cur, Last: PSubscriberInfo; -begin - Result := -1; - EventIndex := ((hSubscriber and (High(THandle) xor High(word))) SHR 16) - 1; - - //Existing Event ? - if (EventIndex < Length(Events)) and (Events[EventIndex].Name[1] <> chr(0)) then - begin - Result := -2; //Return -1 on not existing Event, -2 on not existing Subscription - - //Search for Subscription - Cur := Events[EventIndex].FirstSubscriber; - Last := nil; - - //go through the chain ... - while (Cur <> nil) do - begin - if (Cur.Self = hSubscriber) then - begin //Found Subscription we searched for - FreeSubscriber(EventIndex, Last, Cur); - - {$IFDEF DEBUG} - debugWriteLn('HookManager: Del Subscriber from Event ''' + Events[EventIndex].Name + ''' succesful. Handle: ''' + InttoStr(hSubscriber) + ''); - {$ENDIF} - - //Set Result and Break the Loop - Result := 0; - Break; - end; - - Last := Cur; - Cur := Cur.Next; - end; - - end; -end; - -//------------ -// CallEventChain - Calls the Chain of a specified EventHandle -// Returns: -1: Handle doesn't Exist, 0 Chain is called until the End -//------------ -function THookManager.CallEventChain (const hEvent: THandle; const wParam: TwParam; lParam: TlParam): integer; -var - EventIndex: integer; - Cur: PSubscriberInfo; - CurExecutedBackup: integer; // backup of Core.CurExecuted Attribute -begin - Result := -1; - EventIndex := hEvent - 1; - - if ((EventIndex <= High(Events)) and (Events[EventIndex].Name[1] <> chr(0))) then - begin //Existing Event - //Backup CurExecuted - CurExecutedBackup := Core.CurExecuted; - - //Start calling the Chain !!!11 - Cur := Events[EventIndex].FirstSubscriber; - Result := 0; - //Call Hooks until the Chain is at the End or breaked - while ((Cur <> nil) and (Result = 0)) do - begin - //Set CurExecuted - Core.CurExecuted := Cur.Owner; - if (Cur.isClass) then - Result := Cur.ProcOfClass(wParam, lParam) - else - Result := Cur.Proc(wParam, lParam); - - Cur := Cur.Next; - end; - - //Restore CurExecuted - Core.CurExecuted := CurExecutedBackup; - end; - - {$IFDEF DEBUG} - debugWriteLn('HookManager: Called Chain from Event ''' + Events[EventIndex].Name + ''' succesful. Result: ''' + InttoStr(Result) + ''); - {$ENDIF} -end; - -//------------ -// EventExists - Returns non Zero if an Event with the given Name exists -//------------ -function THookManager.EventExists (const EventName: Pchar): integer; -var - I: integer; - Name: string[60]; -begin - Result := 0; - //if (Length(EventName) < - Name := string(EventName); - - //Sure not to search for empty space - if (Name[1] <> chr(0)) then - begin - //Search for Event - for I := 0 to High(Events) do - if (Events[I].Name = Name) then - begin //Event found - Result := I + 1; - Break; - end; - end; -end; - -//------------ -// DelbyOwner - Dels all Subscriptions by a specific Owner. (For Clean Plugin/Module unloading) -//------------ -procedure THookManager.DelbyOwner(const Owner: integer); -var - I: integer; - Cur, Last: PSubscriberInfo; -begin - //Search for Owner in all Hooks Chains - for I := 0 to High(Events) do - begin - if (Events[I].Name[1] <> chr(0)) then - begin - - Last := nil; - Cur := Events[I].FirstSubscriber; - //Went Through Chain - while (Cur <> nil) do - begin - if (Cur.Owner = Owner) then - begin //Found Subscription by Owner -> Delete - FreeSubscriber(I, Last, Cur); - if (Last <> nil) then - Cur := Last.Next - else - Cur := Events[I].FirstSubscriber; - end - else - begin - //Next Item: - Last := Cur; - Cur := Cur.Next; - end; - end; - end; - end; -end; - -function HookTest(wParam: TwParam; lParam: TlParam): integer; stdcall; -begin - Result := 0; //Don't break the chain - Core.ShowMessage(CORE_SM_INFO, Pchar(string(Pchar(Pointer(lParam))) + ': ' + string(Pchar(Pointer(wParam))))); -end; - -end. diff --git a/src/base/UMain.pas b/src/base/UMain.pas index fec1903f..469a658b 100644 --- a/src/base/UMain.pas +++ b/src/base/UMain.pas @@ -66,11 +66,6 @@ implementation uses Math, gl, -{ - SDL_ttf, - UParty, - UCore, -} UCatCovers, UCommandLine, UCommon, @@ -92,6 +87,7 @@ uses USkins, USongs, UThemes, + UParty, UTime; procedure Main; @@ -236,14 +232,12 @@ begin Log.BenchmarkEnd(1); Log.LogBenchmark('Loading PluginManager', 1); -{ // Party Mode Manager Log.BenchmarkStart(1); Log.LogStatus('PartySession Manager', 'Initialization'); PartySession := TPartySession.Create; //Load PartySession Log.BenchmarkEnd(1); Log.LogBenchmark('Loading PartySession Manager', 1); -} // Graphics Log.BenchmarkStart(1); diff --git a/src/base/UModules.pas b/src/base/UModules.pas deleted file mode 100644 index 97494180..00000000 --- a/src/base/UModules.pas +++ /dev/null @@ -1,55 +0,0 @@ -{* 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 UModules; - -interface - -{$IFDEF FPC} - {$MODE Delphi} -{$ENDIF} - -{$I switches.inc} - -{********************* - UModules - Unit Contains all used Modules in its uses clausel - and a const with an array of all Modules to load -*********************} - -uses - UCoreModule, - UPluginLoader; - -const - CORE_MODULES_TO_LOAD: Array[0..2] of cCoreModule = ( - TPluginLoader, //First because it has to look if there are Module replacements (Feature o/t Future) - TCoreModule, //Remove this later, just a dummy - TtehPlugins //Represents the Plugins. Last because they may use CoreModules Services etc. - ); - -implementation - -end.
\ No newline at end of file diff --git a/src/base/UNote.pas b/src/base/UNote.pas index 5e70bfe1..6da4cf07 100644 --- a/src/base/UNote.pas +++ b/src/base/UNote.pas @@ -126,12 +126,10 @@ uses UDLLManager, UParty, UConfig, - UCore, UCommon, UGraphic, UGraphicClasses, UPath, - UPluginDefs, UPlatform, UThemes; diff --git a/src/base/UParty.pas b/src/base/UParty.pas index 23012dfe..9d70e2be 100644 --- a/src/base/UParty.pas +++ b/src/base/UParty.pas @@ -34,208 +34,85 @@ interface {$I switches.inc} uses - UPartyDefs, - UCoreModule, - UPluginDefs; + ModiSDK; type - ARounds = array [0..252] of integer; //0..252 needed for - PARounds = ^ARounds; - TRoundInfo = record - Modi: cardinal; + Plugin: word; Winner: byte; end; TeamOrderEntry = record - Teamnum: byte; + TeamNum: byte; Score: byte; end; TeamOrderArray = array[0..5] of byte; - TUS_ModiInfoEx = record - Info: TUS_ModiInfo; - Owner: integer; - TimesPlayed: byte; //Helper for setting round plugins + TPartyPlugin = record + ID: byte; + TimesPlayed: byte; end; - TPartySession = class (TCoreModule) + TPartySession = class private - bPartyMode: boolean; //Is this party or single player - CurRound: byte; - - Modis: array of TUS_ModiInfoEx; - Teams: TTeamInfo; - - function IsWinner(Player, Winner: byte): boolean; + function GetRandomPlayer(Team: Byte): Byte; + function GetRandomPlugin(Plugins: array of TPartyPlugin): byte; + function IsWinner(Player, Winner: Byte): boolean; procedure GenScores; - function GetRandomPlugin(TeamMode: boolean): cardinal; - function GetRandomPlayer(Team: byte): byte; public - //Teams: TTeamInfo; + Teams: TTeamInfo; Rounds: array of TRoundInfo; + CurRound: Byte; - //TCoreModule methods to inherit - constructor Create; override; - procedure Info(const pInfo: PModuleInfo); override; - function Load: boolean; override; - function Init: boolean; override; - procedure DeInit; override; - destructor Destroy; override; + constructor Create; - //Register modus service - function RegisterModi(nothin: TwParam; pModiInfo: TlParam): integer; //Registers a new modus. wParam: Pointer to TUS_ModiInfo - - //Start new Party - function StartParty(NumRounds: TwParam; PAofIRounds: TlParam): integer; //Starts new party mode. Returns non zero on success - function GetCurModi(wParam: TwParam; lParam: TlParam): integer; //Returns pointer to cur. Modis TUS_ModiInfo (to Use with Singscreen) - function StopParty(wParam: TwParam; lParam: TlParam): integer; //Stops party mode. Returns 1 if party mode was enabled before. - function NextRound(wParam: TwParam; lParam: TlParam): integer; //Increases curround by 1; Returns num of round or -1 if last round is already played - - function CallModiInit(wParam: TwParam; lParam: TlParam): integer; //Calls curmodis init proc. If an error occurs, returns nonzero. In this case a new plugin was selected. Please renew loading - function CallModiDeInit(wParam: TwParam; lParam: TlParam): integer; //Calls DeInitProc and ends the round - - function GetTeamInfo(wParam: TwParam; pTeamInfo: TlParam): integer; //Writes TTeamInfo record to pointer at lParam. Returns zero on success - function SetTeamInfo(wParam: TwParam; pTeamInfo: TlParam): integer; //Read TTeamInfo record from pointer at lParam. Returns zero on success - - function GetTeamOrder(wParam: TwParam; lParam: TlParam): integer; //Returns team order. Structure: Bits 1..3: Team at place1; Bits 4..6: Team at place2 ... - function GetWinnerString(wParam: TwParam; lParam: TlParam): integer; //wParam is roundnum. If (Pointer = nil) then return length of the string. Otherwise write the string to address at lParam + procedure StartNewParty(NumRounds: Byte); + procedure StartRound; + procedure EndRound; + function GetTeamOrder: TeamOrderArray; + function GetWinnerString(Round: Byte): String; end; -const - StandardModus = 0; //Modus ID that will be played in non-party mode +var + PartySession: TPartySession; implementation uses - UCore, + UDLLManager, UGraphic, - ULanguage, - ULog, UNote, - SysUtils; - -{********************* - TPluginLoader - Implentation -*********************} - -//------------- -// function that gives some infos about the module to the core -//------------- -procedure TPartySession.Info(const pInfo: PModuleInfo); -begin - pInfo^.Name := 'TPartySession'; - pInfo^.Version := MakeVersion(1,0,0,chr(0)); - pInfo^.Description := 'Manages party modi and party game'; -end; + ULanguage, + ULog; -//------------- -// Just the constructor -//------------- constructor TPartySession.Create; begin inherited; - //UnSet PartyMode - bPartyMode := false; -end; - -//------------- -//Is called on loading. -//In this method only events and services should be created -//to offer them to other modules or plugins during the init process -//If false is returned this will cause a forced exit -//------------- -function TPartySession.Load: boolean; -begin - //Add register party modus service - Result := true; - Core.Services.AddService('Party/RegisterModi', nil, Self.RegisterModi); - Core.Services.AddService('Party/StartParty', nil, Self.StartParty); - Core.Services.AddService('Party/GetCurModi', nil, Self.GetCurModi); -end; - -//------------- -//Is called on init process -//In this method you can hook some events and create + init -//your classes, variables etc. -//If false is returned this will cause a forced exit -//------------- -function TPartySession.Init: boolean; -begin - //Just set private var to true. - Result := true; -end; - -//------------- -//Is called if this module has been inited and there is an exit. -//Deinit is in reverse initing order -//------------- -procedure TPartySession.DeInit; -begin - //Force DeInit -end; - -//------------- -//Is called if this module will be unloaded and has been created -//Should be used to free memory -//------------- -destructor TPartySession.Destroy; -begin - //Just save some memory if it wasn't done now.. - SetLength(Modis, 0); - inherited; -end; - -//------------- -// Registers a new modus. wParam: Pointer to TUS_ModiInfo -// Service for plugins -//------------- -function TPartySession.RegisterModi(nothin: TwParam; pModiInfo: TlParam): integer; -var - Len: integer; - Info: PUS_ModiInfo; -begin - Info := PModiInfo; - //Copy Info if cbSize is correct - if (Info.cbSize = SizeOf(TUS_ModiInfo)) then - begin - Len := Length(Modis); - SetLength(Modis, Len + 1); - - Modis[Len].Info := Info^; - end - else - Core.ReportError(integer(PChar('Plugins try to register modus with wrong pointer, or wrong TUS_ModiInfo record.')), PChar('TPartySession')); - - // FIXME: return a valid result - Result := 0; end; //---------- // Returns a number of a random plugin //---------- -function TPartySession.GetRandomPlugin(TeamMode: boolean): cardinal; +function TPartySession.GetRandomPlugin(Plugins: array of TPartyPlugin): byte; var LowestTP: byte; NumPwithLTP: word; I: integer; R: word; begin - Result := StandardModus; //If there are no matching modi, play standard modus LowestTP := high(byte); NumPwithLTP := 0; //Search for Plugins not often played yet - for I := 0 to high(Modis) do + for I := 0 to high(Plugins) do begin - if (Modis[I].TimesPlayed < lowestTP) and (((Modis[I].Info.LoadingSettings and MLS_TeamOnly) <> 0) = TeamMode) then + if (Plugins[I].TimesPlayed < lowestTP) then begin - lowestTP := Modis[I].TimesPlayed; + lowestTP := Plugins[I].TimesPlayed; NumPwithLTP := 1; end - else if (Modis[I].TimesPlayed = lowestTP) and (((Modis[I].Info.LoadingSettings and MLS_TeamOnly) <> 0) = TeamMode) then + else if (Plugins[I].TimesPlayed = lowestTP) then begin Inc(NumPwithLTP); end; @@ -245,110 +122,89 @@ begin R := Random(NumPwithLTP); //Search for random plugin - for I := 0 to high(Modis) do + for I := 0 to high(Plugins) do begin - if (Modis[I].TimesPlayed = lowestTP) and (((Modis[I].Info.LoadingSettings and MLS_TeamOnly) <> 0) = TeamMode) then + if Plugins[I].TimesPlayed = LowestTP then begin //Plugin found if (R = 0) then begin - Result := I; - Inc(Modis[I].TimesPlayed); + Result := Plugins[I].ID; + Inc(Plugins[I].TimesPlayed); Break; end; - Dec(R); end; end; end; //---------- -// Starts new party mode. Returns non zero on success +//StartNewParty - Reset and prepares for new party //---------- -function TPartySession.StartParty(NumRounds: TwParam; PAofIRounds: TlParam): integer; +procedure TPartySession.StartNewParty(NumRounds: Byte); var - I: integer; - aiRounds: PARounds; + Plugins: array of TPartyPlugin; TeamMode: boolean; + Len: integer; + I, J: integer; begin - Result := 0; - if (Teams.NumTeams >= 1) and (NumRounds < High(byte)-1) then - begin - bPartyMode := false; - aiRounds := PAofIRounds; - - try - //Is this team mode (More than one player per team) ? - TeamMode := true; - for I := 0 to Teams.NumTeams-1 do - TeamMode := TeamMode and (Teams.Teaminfo[I].NumPlayers > 1); - - //Set Rounds - SetLength(Rounds, NumRounds); - - for I := 0 to High(Rounds) do - begin //Set plugins - if (aiRounds[I] = -1) then - Rounds[I].Modi := GetRandomPlugin(TeamMode) - else if (aiRounds[I] >= 0) and (aiRounds[I] <= High(Modis)) and (TeamMode or ((Modis[aiRounds[I]].Info.LoadingSettings and MLS_TeamOnly) = 0)) then - Rounds[I].Modi := aiRounds[I] - else - Rounds[I].Modi := StandardModus; - - Rounds[I].Winner := High(byte); //Set winner to not played - end; - - CurRound := High(byte); //Set CurRound to not defined + //Set current round to 1 + CurRound := 255; - //Return true and set party mode - bPartyMode := true; - Result := 1; + PlayersPlay := Teams.NumTeams; - except - Core.ReportError(integer(PChar('Can''t start party mode.')), PChar('TPartySession')); + //Get team-mode and set joker, also set TimesPlayed + TeamMode := true; + for I := 0 to Teams.NumTeams-1 do + begin + if Teams.Teaminfo[I].NumPlayers < 2 then + begin + TeamMode := false; + end; + //Set player attributes + for J := 0 to Teams.TeamInfo[I].NumPlayers-1 do + begin + Teams.TeamInfo[I].Playerinfo[J].TimesPlayed := 0; end; + Teams.Teaminfo[I].Joker := Round(NumRounds*0.7); + Teams.Teaminfo[I].Score := 0; end; -end; -//---------- -// Returns pointer to Cur. ModiInfoEx (to use with sing screen) -//---------- -function TPartySession.GetCurModi(wParam: TwParam; lParam: TlParam): integer; -begin - if (bPartyMode) and (CurRound <= High(Rounds)) then - begin //If PartyMode is enabled: - //Return the Plugin of the Cur Round - Result := integer(@Modis[Rounds[CurRound].Modi]); - end - else - begin //Return standard modus - Result := integer(@Modis[StandardModus]); + //Fill plugin array + SetLength(Plugins, 0); + for I := 0 to high(DLLMan.Plugins) do + begin + if TeamMode or (not DLLMan.Plugins[I].TeamModeOnly) then + begin + //Add only those plugins playable with current PlayerConfiguration + Len := Length(Plugins); + SetLength(Plugins, Len + 1); + Plugins[Len].ID := I; + Plugins[Len].TimesPlayed := 0; + end; end; -end; -//---------- -// Stops party mode. Returns 1 if party mode was enabled before and -1 if change was not possible -//---------- -function TPartySession.StopParty(wParam: TwParam; lParam: TlParam): integer; -begin - Result := -1; - if (bPartyMode) then + //Set rounds + if (Length(Plugins) >= 1) then begin - // to-do : Whitü: Check here if sing screen is not shown atm. - bPartyMode := false; - Result := 1; + SetLength (Rounds, NumRounds); + for I := 0 to NumRounds-1 do + begin + PartySession.Rounds[I].Plugin := GetRandomPlugin(Plugins); + PartySession.Rounds[I].Winner := 255; + end; end else - Result := 0; + SetLength (Rounds, 0); end; -//---------- -//GetRandomPlayer - gives back a random player to play next round -//---------- +{** + * Returns a random player to play next round + *} function TPartySession.GetRandomPlayer(Team: byte): byte; var I, R: integer; - lowestTP: byte; + LowestTP: byte; NumPwithLTP: byte; begin LowestTP := high(byte); @@ -369,7 +225,7 @@ begin end; end; - //Create random no + //Create random number R := Random(NumPwithLTP); //Search for random player @@ -389,202 +245,83 @@ begin end; end; -//---------- -// NextRound - Increases CurRound by 1; Returns num of round or -1 if last round is already played -//---------- -function TPartySession.NextRound(wParam: TwParam; lParam: TlParam): integer; +{** + * Prepares ScreenSingModi for next round and loads plugin + *} +procedure TPartySession.StartRound; var I: integer; begin - if ((CurRound < high(Rounds)) or (CurRound = high(CurRound))) then - begin //everythings OK! -> Start the Round, maaaaan + if ((CurRound < high(Rounds)) OR (CurRound = high(CurRound))) then + begin + //Increase Current Round Inc(CurRound); - //Set Players to play this Round + Rounds[CurRound].Winner := 255; + DllMan.LoadPlugin(Rounds[CurRound].Plugin); + + //Select Players for I := 0 to Teams.NumTeams-1 do Teams.Teaminfo[I].CurPlayer := GetRandomPlayer(I); - - // FIXME: return a valid result - Result := 0; - end - else - Result := -1; -end; - -//---------- -//IsWinner - returns true if the players bit is set in the winner byte -//---------- -function TPartySession.IsWinner(Player, Winner: byte): boolean; -var - Bit: byte; -begin - Bit := 1 shl Player; - Result := ((Winner and Bit) = Bit); -end; - -//---------- -//GenScores - inc scores for cur. round -//---------- -procedure TPartySession.GenScores; -var - I: byte; -begin - for I := 0 to Teams.NumTeams-1 do - begin - if isWinner(I, Rounds[CurRound].Winner) then - Inc(Teams.Teaminfo[I].Score); - end; -end; - -//---------- -// CallModiInit - calls CurModis Init Proc. If an error occurs, returns nonzero. In this case a new plugin was selected. Please renew loading -//---------- -function TPartySession.CallModiInit(wParam: TwParam; lParam: TlParam): integer; -begin - if (not bPartyMode) then - begin //Set rounds if not in party mode - SetLength(Rounds, 1); - Rounds[0].Modi := StandardModus; - Rounds[0].Winner := High(byte); - CurRound := 0; + //Set ScreenSingModie Variables + ScreenSingModi.TeamInfo := Teams; end; - - try - //Core. - except - on E : Exception do - begin - Core.ReportError(integer(PChar('Error starting modus: ' + Modis[Rounds[CurRound].Modi].Info.Name + ' ErrorStr: ' + E.Message)), PChar('TPartySession')); - if (Rounds[CurRound].Modi = StandardModus) then - begin - Core.ReportError(integer(PChar('Can''t start standard modus, will exit now!')), PChar('TPartySession')); - Halt; - end - else //Select standard modus - begin - Rounds[CurRound].Modi := StandardModus - end; - end; - end; - - // FIXME: return a valid result - Result := 0; end; //---------- -// CallModiDeInit - calls DeInitProc and ends the round +//EndRound - Get Winner from ScreenSingModi and Save Data to RoundArray //---------- -function TPartySession.CallModiDeInit(wParam: TwParam; lParam: TlParam): integer; +procedure TPartySession.EndRound; var - I: integer; - MaxScore: word; + I: Integer; begin - if (bPartyMode) then - begin - //Get Winner Byte! - if (@Modis[Rounds[CurRound].Modi].Info.ModiDeInit <> nil) then //get winners from plugin - Rounds[CurRound].Winner := Modis[Rounds[CurRound].Modi].Info.ModiDeInit(Modis[Rounds[CurRound].Modi].Info.ID) - else - begin //Create winners by score :/ - Rounds[CurRound].Winner := 0; - MaxScore := 0; - for I := 0 to Teams.NumTeams-1 do - begin - // to-do : recode percentage stuff - //PlayerInfo.Playerinfo[I].Percentage := PlayerInfo.Playerinfo[I].Score div 9999; - if (Player[I].ScoreTotalInt > MaxScore) then - begin - MaxScore := Player[I].ScoreTotalInt; - Rounds[CurRound].Winner := 1 shl I; - end - else if (Player[I].ScoreTotalInt = MaxScore) and (Player[I].ScoreTotalInt <> 0) then - begin - Rounds[CurRound].Winner := Rounds[CurRound].Winner or (1 shl I); - end; - end; - + //Copy Winner + Rounds[CurRound].Winner := ScreenSingModi.Winner; + //Set Scores + GenScores; - //When nobody has points -> everybody looses - if (MaxScore = 0) then - Rounds[CurRound].Winner := 0; + //Increase TimesPlayed 4 all Players + For I := 0 to Teams.NumTeams-1 do + Inc(Teams.Teaminfo[I].Playerinfo[Teams.Teaminfo[I].CurPlayer].TimesPlayed); - end; - - //Generate the scores - GenScores; - - //Inc players TimesPlayed - if ((Modis[Rounds[CurRound-1].Modi].Info.LoadingSettings and MLS_IncTP) = MLS_IncTP) then - begin - for I := 0 to Teams.NumTeams-1 do - Inc(Teams.TeamInfo[I].Playerinfo[Teams.TeamInfo[I].CurPlayer].TimesPlayed); - end; - end - else if (@Modis[Rounds[CurRound].Modi].Info.ModiDeInit <> nil) then - Modis[Rounds[CurRound].Modi].Info.ModiDeInit(Modis[Rounds[CurRound].Modi].Info.ID); - - // FIXME: return a valid result - Result := 0; end; //---------- -// GetTeamInfo - writes TTeamInfo record to pointer at lParam. Returns zero on success +//IsWinner - returns true if the player's bit is set in the winner byte //---------- -function TPartySession.GetTeamInfo(wParam: TwParam; pTeamInfo: TlParam): integer; +function TPartySession.IsWinner(Player, Winner: byte): boolean; var - Info: ^TTeamInfo; + Mask: byte; begin - Result := -1; - Info := pTeamInfo; - if (Info <> nil) then - begin - try - // to - do : Check Delphi memory management in this case - //Not sure if i had to copy PChars to a new address or if delphi manages this o0 - Info^ := Teams; - Result := 0; - except - Result := -2; - end; - end; + Mask := 1 shl Player; + Result := (Winner and Mask) <> 0; end; //---------- -// SetTeamInfo - read TTeamInfo record from pointer at lParam. Returns zero on success +//GenScores - increase scores for current round //---------- -function TPartySession.SetTeamInfo(wParam: TwParam; pTeamInfo: TlParam): integer; +procedure TPartySession.GenScores; var - TeamInfobackup: TTeamInfo; - Info: ^TTeamInfo; + I: byte; begin - Result := -1; - Info := pTeamInfo; - if (Info <> nil) then + for I := 0 to Teams.NumTeams-1 do begin - try - TeamInfoBackup := Teams; - // to - do : Check Delphi memory management in this case - //Not sure if i had to copy PChars to a new address or if delphi manages this o0 - Teams := Info^; - Result := 0; - except - Teams := TeamInfoBackup; - Result := -2; - end; + if isWinner(I, Rounds[CurRound].Winner) then + Inc(Teams.Teaminfo[I].Score); end; end; //---------- -// GetTeamOrder - returns team order. Structure: Bits 1..3: Team at place1; Bits 4..6: Team at place2 ... +//GetTeamOrder - returns the placement of each Team [First Position of Array is Teamnum of first placed Team, ...] //---------- -function TPartySession.GetTeamOrder(wParam: TwParam; lParam: TlParam): integer; +function TPartySession.GetTeamOrder: TeamOrderArray; var I, J: integer; ATeams: array [0..5] of TeamOrderEntry; TempTeam: TeamOrderEntry; begin - // to-do : PartyMode: Write this in another way, so that teams with the same score get the same place + // TODO: PartyMode: Write this in another way, so that teams with the same score get the same place //Fill Team array for I := 0 to Teams.NumTeams-1 do begin @@ -603,63 +340,44 @@ begin end; //Copy to Result - Result := 0; for I := 0 to Teams.NumTeams-1 do - Result := Result or (ATeams[I].TeamNum Shl I*3); + Result[I] := ATeams[I].TeamNum; end; //---------- -// GetWinnerString - wParam is Roundnum. If (pointer = nil) then return length of the string. Otherwise write the string to address at lParam +//GetWinnerString - Get String with WinnerTeam Name, when there is more than one Winner than Connect with and or , //---------- -function TPartySession.GetWinnerString(wParam: TwParam; lParam: TlParam): integer; +function TPartySession.GetWinnerString(Round: byte): string; var - Winners: array of String; + Winners: array of string; I: integer; - ResultStr: String; - S: ^String; begin - ResultStr := Language.Translate('PARTY_NOBODY'); + Result := Language.Translate('PARTY_NOBODY'); + + if (Round > High(Rounds)) then + exit; - if (wParam <= High(Rounds)) then + if (Rounds[Round].Winner = 0) then begin - if (Rounds[wParam].Winner <> 0) then - begin - if (Rounds[wParam].Winner = 255) then - begin - ResultStr := Language.Translate('PARTY_NOTPLAYEDYET'); - end - else - begin - SetLength(Winners, 0); - for I := 0 to Teams.NumTeams-1 do - begin - if isWinner(I, Rounds[wParam].Winner) then - begin - SetLength(Winners, Length(Winners) + 1); - Winners[high(Winners)] := Teams.TeamInfo[I].Name; - end; - end; - ResultStr := Language.Implode(Winners); - end; - end; + exit; end; - //Now return what we have got - if (lParam = nil) then - begin //Return string length - Result := Length(ResultStr); - end - else - begin //Return string - try - S := lParam; - S^ := ResultStr; - Result := 0; - except - Result := -1; + if (Rounds[Round].Winner = 255) then + begin + Result := Language.Translate('PARTY_NOTPLAYEDYET'); + exit; + end; + SetLength(Winners, 0); + for I := 0 to Teams.NumTeams-1 do + begin + if isWinner(I, Rounds[Round].Winner) then + begin + SetLength(Winners, Length(Winners) + 1); + Winners[high(Winners)] := Teams.TeamInfo[I].Name; end; end; + Result := Language.Implode(Winners); end; end. diff --git a/src/base/UPluginInterface.pas b/src/base/UPluginInterface.pas deleted file mode 100644 index f299796f..00000000 --- a/src/base/UPluginInterface.pas +++ /dev/null @@ -1,186 +0,0 @@ -{* 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 uPluginInterface; -{********************* - uPluginInterface - Unit fills a TPluginInterface structure with method pointers - Unit contains all functions called directly by plugins -*********************} - -interface - -{$IFDEF FPC} - {$MODE Delphi} -{$ENDIF} - -{$I switches.inc} - -uses - uPluginDefs; - -//--------------- -// Methods for Plugin -//--------------- - {******** Hook specific Methods ********} - {Function Creates a new Hookable Event and Returns the Handle - or 0 on Failure. (Name already exists)} - Function CreateHookableEvent (EventName: PChar): THandle; stdcall; - - {Function Destroys an Event and Unhooks all Hooks to this Event. - 0 on success, not 0 on Failure} - Function DestroyHookableEvent (hEvent: THandle): integer; stdcall; - - {Function start calling the Hook Chain - 0 if Chain is called until the End, -1 if Event Handle is not valid - otherwise Return Value of the Hook that breaks the Chain} - Function NotivyEventHooks (hEvent: THandle; wParam: TwParam; lParam: TlParam): integer; stdcall; - - {Function Hooks an Event by Name. - Returns Hook Handle on Success, otherwise 0} - Function HookEvent (EventName: PChar; HookProc: TUS_Hook): THandle; stdcall; - - {Function Removes the Hook from the Chain - Returns 0 on Success} - Function UnHookEvent (hHook: THandle): Integer; stdcall; - - {Function Returns Non Zero if a Event with the given Name Exists, - otherwise 0} - Function EventExists (EventName: PChar): Integer; stdcall; - - {******** Service specific Methods ********} - {Function Creates a new Service and Returns the Services Handle - or 0 on Failure. (Name already exists)} - Function CreateService (ServiceName: PChar; ServiceProc: TUS_Service): THandle; stdcall; - - {Function Destroys a Service. - 0 on success, not 0 on Failure} - Function DestroyService (hService: THandle): integer; stdcall; - - {Function Calls a Services Proc - Returns Services Return Value or SERVICE_NOT_FOUND on Failure} - Function CallService (ServiceName: PChar; wParam: TwParam; lParam: TlParam): integer; stdcall; - - {Function Returns Non Zero if a Service with the given Name Exists, - otherwise 0} - Function ServiceExists (ServiceName: PChar): Integer; stdcall; - -implementation -uses UCore; - -{******** Hook specific Methods ********} -//--------------- -// Function Creates a new Hookable Event and Returns the Handle -// or 0 on Failure. (Name already exists) -//--------------- -Function CreateHookableEvent (EventName: PChar): THandle; stdcall; -begin - Result := Core.Hooks.AddEvent(EventName); -end; - -//--------------- -// Function Destroys an Event and Unhooks all Hooks to this Event. -// 0 on success, not 0 on Failure -//--------------- -Function DestroyHookableEvent (hEvent: THandle): integer; stdcall; -begin - Result := Core.Hooks.DelEvent(hEvent); -end; - -//--------------- -// Function start calling the Hook Chain -// 0 if Chain is called until the End, -1 if Event Handle is not valid -// otherwise Return Value of the Hook that breaks the Chain -//--------------- -Function NotivyEventHooks (hEvent: THandle; wParam: TwParam; lParam: TlParam): integer; stdcall; -begin - Result := Core.Hooks.CallEventChain(hEvent, wParam, lParam); -end; - -//--------------- -// Function Hooks an Event by Name. -// Returns Hook Handle on Success, otherwise 0 -//--------------- -Function HookEvent (EventName: PChar; HookProc: TUS_Hook): THandle; stdcall; -begin - Result := Core.Hooks.AddSubscriber(EventName, HookProc); -end; - -//--------------- -// Function Removes the Hook from the Chain -// Returns 0 on Success -//--------------- -Function UnHookEvent (hHook: THandle): Integer; stdcall; -begin - Result := Core.Hooks.DelSubscriber(hHook); -end; - -//--------------- -// Function Returns Non Zero if a Event with the given Name Exists, -// otherwise 0 -//--------------- -Function EventExists (EventName: PChar): Integer; stdcall; -begin - Result := Core.Hooks.EventExists(EventName); -end; - - {******** Service specific Methods ********} -//--------------- -// Function Creates a new Service and Returns the Services Handle -// or 0 on Failure. (Name already exists) -//--------------- -Function CreateService (ServiceName: PChar; ServiceProc: TUS_Service): THandle; stdcall; -begin - Result := Core.Services.AddService(ServiceName, ServiceProc); -end; - -//--------------- -// Function Destroys a Service. -// 0 on success, not 0 on Failure -//--------------- -Function DestroyService (hService: THandle): integer; stdcall; -begin - Result := Core.Services.DelService(hService); -end; - -//--------------- -// Function Calls a Services Proc -// Returns Services Return Value or SERVICE_NOT_FOUND on Failure -//--------------- -Function CallService (ServiceName: PChar; wParam: TwParam; lParam: TlParam): integer; stdcall; -begin - Result := Core.Services.CallService(ServiceName, wParam, lParam); -end; - -//--------------- -// Function Returns Non Zero if a Service with the given Name Exists, -// otherwise 0 -//--------------- -Function ServiceExists (ServiceName: PChar): Integer; stdcall; -begin - Result := Core.Services.ServiceExists(ServiceName); -end; - -end. diff --git a/src/base/UPluginLoader.pas b/src/base/UPluginLoader.pas deleted file mode 100644 index 8836cb78..00000000 --- a/src/base/UPluginLoader.pas +++ /dev/null @@ -1,794 +0,0 @@ -{* 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: https://ultrastardx.svn.sourceforge.net/svnroot/ultrastardx/trunk/src/base/uPluginLoader.pas $ - * $Id: uPluginLoader.pas 1403 2008-09-23 21:17:22Z k-m_schindler $ - *} - -unit UPluginLoader; -{********************* - UPluginLoader - Unit contains two classes - TPluginLoader: Class searching for and loading the plugins - TtehPlugins: Class representing the plugins in modules chain -*********************} - -interface - -{$IFDEF FPC} - {$MODE Delphi} -{$ENDIF} - -{$I switches.inc} - -uses - UPluginDefs, - UCoreModule, - UPath; - -type - TPluginListItem = record - Info: TUS_PluginInfo; - State: byte; // State of this plugin: 0 - undefined; 1 - loaded; 2 - inited / running; 4 - unloaded; 254 - loading aborted by plugin; 255 - unloaded because of error - Path: string; // path to this plugin - NeedsDeInit: boolean; // if this is inited correctly this should be true - hLib: THandle; // handle of loaded libary - Procs: record // procs offered by plugin. Don't call this directly use wrappers of TPluginLoader - Load: Func_Load; - Init: Func_Init; - DeInit: Proc_DeInit; - end; - end; - {********************* - TPluginLoader - Class searches for plugins and manages loading and unloading - *********************} - PPluginLoader = ^TPluginLoader; - TPluginLoader = class (TCoreModule) - private - LoadingProcessFinished: boolean; - sUnloadPlugin: THandle; - sLoadPlugin: THandle; - sGetPluginInfo: THandle; - sGetPluginState: THandle; - - procedure FreePlugin(Index: integer); - public - PluginInterface: TUS_PluginInterface; - Plugins: array of TPluginListItem; - - // TCoreModule methods to inherit - constructor Create; override; - procedure Info(const pInfo: PModuleInfo); override; - function Load: boolean; override; - function Init: boolean; override; - procedure DeInit; override; - Destructor Destroy; override; - - // New methods - procedure BrowseDir(Path: string); // browses the path at _Path_ for plugins - function PluginExists(Name: string): integer; // if plugin exists: Index of plugin, else -1 - procedure AddPlugin(Filename: string); // adds plugin to the array - - function CallLoad(Index: integer): integer; - function CallInit(Index: integer): integer; - procedure CallDeInit(Index: integer); - - //Services offered - function LoadPlugin(wParam: TwParam; lParam: TlParam): integer; //wParam PChar(PluginName/PluginPath) | lParam (if wParam = nil) ID of the Plugin - function UnloadPlugin(wParam: TwParam; lParam: TlParam): integer; //wParam PChar(PluginName/PluginPath) | lParam (if wParam = nil) ID of the Plugin - function GetPluginInfo(wParam: TwParam; lParam: TlParam): integer; //If wParam = -1 then (If lParam = nil then get length of Moduleinfo Array. If lparam <> nil then write array of TUS_PluginInfo to address at lparam) else (Get PluginInfo of Plugin with Index(wParam) to Address at lParam) - function GetPluginState(wParam: TwParam; lParam: TlParam): integer; //If wParam = -1 then (If lParam = nil then get length of Moduleinfo Array. If lparam <> nil then write array of TUS_PluginInfo to address at lparam) else (Return PluginInfo of Plugin with Index(wParam)) - - end; - - {********************* - TtehPlugins - Class represents the plugins in module chain. - It calls the plugins procs and funcs - *********************} - TtehPlugins = class (TCoreModule) - private - PluginLoader: PPluginLoader; - public - // TCoreModule methods to inherit - constructor Create; override; - - procedure Info(const pInfo: PModuleInfo); override; - function Load: boolean; override; - function Init: boolean; override; - procedure DeInit; override; - end; - -const -{$IF Defined(MSWINDOWS)} - PluginFileExtension = '.dll'; -{$ELSEIF Defined(DARWIN)} - PluginFileExtension = '.dylib'; -{$ELSEIF Defined(UNIX)} - PluginFileExtension = '.so'; -{$IFEND} - -implementation - -uses - UCore, - UPluginInterface, -{$IFDEF MSWINDOWS} - windows, -{$ELSE} - dynlibs, -{$ENDIF} - UMain, - SysUtils; - -{********************* - TPluginLoader - Implementation -*********************} - -//------------- -// function that gives some infos about the module to the core -//------------- -procedure TPluginLoader.Info(const pInfo: PModuleInfo); -begin - pInfo^.Name := 'TPluginLoader'; - pInfo^.Version := MakeVersion(1,0,0,chr(0)); - pInfo^.Description := 'Searches for plugins, loads and unloads them'; -end; - -//------------- -// Just the constructor -//------------- -constructor TPluginLoader.Create; -begin - inherited; - - // Init PluginInterface - // Using methods from UPluginInterface - PluginInterface.CreateHookableEvent := CreateHookableEvent; - PluginInterface.DestroyHookableEvent := DestroyHookableEvent; - PluginInterface.NotivyEventHooks := NotivyEventHooks; - PluginInterface.HookEvent := HookEvent; - PluginInterface.UnHookEvent := UnHookEvent; - PluginInterface.EventExists := EventExists; - - PluginInterface.CreateService := @CreateService; - PluginInterface.DestroyService := DestroyService; - PluginInterface.CallService := CallService; - PluginInterface.ServiceExists := ServiceExists; - - // UnSet private var - LoadingProcessFinished := false; -end; - -//------------- -// Is called on loading. -// In this method only events and services should be created -// to offer them to other modules or plugins during the init process -// if false is returned this will cause a forced exit -//------------- -function TPluginLoader.Load: boolean; -begin - Result := true; - - try - // Start searching for plugins - BrowseDir(PluginPath); - except - Result := false; - Core.ReportError(integer(PChar('Error browsing and loading.')), PChar('TPluginLoader')); - end; -end; - -//------------- -// Is called on init process -// In this method you can hook some events and create + init -// your classes, variables etc. -// If false is returned this will cause a forced exit -//------------- -function TPluginLoader.Init: boolean; -begin - // Just set private var to true. - LoadingProcessFinished := true; - Result := true; -end; - -//------------- -// Is called if this module has been inited and there is a exit. -// Deinit is in backwards initing order -//------------- -procedure TPluginLoader.DeInit; -var - I: integer; -begin - // Force deinit - // if some plugins aren't deinited for some reason o0 - for I := 0 to High(Plugins) do - begin - if (Plugins[I].State < 4) then - FreePlugin(I); - end; - - // Nothing to do here. Core will remove the hooks -end; - -//------------- -// Is called if this module will be unloaded and has been created -// Should be used to free memory -//------------- -Destructor TPluginLoader.Destroy; -begin - // Just save some memory if it wasn't done now.. - SetLength(Plugins, 0); - inherited; -end; - -//-------------- -// Browses the path at _Path_ for plugins -//-------------- -procedure TPluginLoader.BrowseDir(Path: string); -var - SR: TSearchRec; -begin - // Search for other dirs to browse - if FindFirst(Path + '*', faDirectory, SR) = 0 then begin - repeat - if (SR.Name <> '.') and (SR.Name <> '..') then - BrowseDir(Path + Sr.Name + PathDelim); - until FindNext(SR) <> 0; - end; - FindClose(SR); - - // Search for plugins at path - if FindFirst(Path + '*' + PluginFileExtension, 0, SR) = 0 then - begin - repeat - AddPlugin(Path + SR.Name); - until FindNext(SR) <> 0; - end; - FindClose(SR); -end; - -//-------------- -// If plugin exists: Index of plugin, else -1 -//-------------- -function TPluginLoader.PluginExists(Name: string): integer; -var - I: integer; -begin - Result := -1; - - if (Length(Name) <= 32 { =>Length(TUS_PluginInfo.Name)}) then - begin - for I := 0 to High(Plugins) do - if (Plugins[I].Info.Name = Name) then - begin //Found the Plugin - Result := I; - Break; - end; - end; -end; - -//-------------- -// Adds plugin to the array -//-------------- -procedure TPluginLoader.AddPlugin(Filename: string); -var - hLib: THandle; - PInfo: Proc_PluginInfo; - Info: TUS_PluginInfo; - PluginID: integer; -begin - if (FileExists(Filename)) then - begin //Load Libary - hLib := LoadLibrary(PChar(Filename)); - if (hLib <> 0) then - begin // Try to get address of the info proc - PInfo := GetProcAddress (hLib, PChar('USPlugin_Info')); - if (@PInfo <> nil) then - begin - Info.cbSize := SizeOf(TUS_PluginInfo); - - try // Call info proc - PInfo(@Info); - except - Info.Name := ''; - Core.ReportError(integer(PChar('Error getting plugin info: ' + Filename)), PChar('TPluginLoader')); - end; - - // Is name set ? - if (Trim(Info.Name) <> '') then - begin - PluginID := PluginExists(Info.Name); - - if (PluginID > 0) and (Plugins[PluginID].State >=4) then - PluginID := -1; - - if (PluginID = -1) then - begin - // Add new item to array - PluginID := Length(Plugins); - SetLength(Plugins, PluginID + 1); - - // Fill with info: - Plugins[PluginID].Info := Info; - Plugins[PluginID].State := 0; - Plugins[PluginID].Path := Filename; - Plugins[PluginID].NeedsDeInit := false; - Plugins[PluginID].hLib := hLib; - - // Try to get procs - Plugins[PluginID].Procs.Load := GetProcAddress (hLib, PChar('USPlugin_Load')); - Plugins[PluginID].Procs.Init := GetProcAddress (hLib, PChar('USPlugin_Init')); - Plugins[PluginID].Procs.DeInit := GetProcAddress (hLib, PChar('USPlugin_DeInit')); - - if (@Plugins[PluginID].Procs.Load = nil) or (@Plugins[PluginID].Procs.Init = nil) or (@Plugins[PluginID].Procs.DeInit = nil) then - begin - Plugins[PluginID].State := 255; - FreeLibrary(hLib); - Core.ReportError(integer(PChar('Can''t get plugin procs from libary: "' + Info.Name + '" ' + Filename)), PChar('TPluginLoader')); - end; - - // Emulate loading process if this plugin is loaded too late - if (LoadingProcessFinished) then - begin - CallLoad(PluginID); - CallInit(PluginID); - end; - end - else if (LoadingProcessFinished = false) then - begin - if (Plugins[PluginID].Info.Version < Info.Version) then - begin // Found newer version of this plugin - Core.ReportDebug(integer(PChar('Found a newer version of plugin: ' + string(Info.Name))), PChar('TPluginLoader')); - - // Unload old plugin - UnloadPlugin(PluginID, nil); - - // Fill with new info - Plugins[PluginID].Info := Info; - Plugins[PluginID].State := 0; - Plugins[PluginID].Path := Filename; - Plugins[PluginID].NeedsDeInit := false; - Plugins[PluginID].hLib := hLib; - - // Try to get procs - Plugins[PluginID].Procs.Load := GetProcAddress (hLib, PChar('USPlugin_Load')); - Plugins[PluginID].Procs.Init := GetProcAddress (hLib, PChar('USPlugin_Init')); - Plugins[PluginID].Procs.DeInit := GetProcAddress (hLib, PChar('USPlugin_DeInit')); - - if (@Plugins[PluginID].Procs.Load = nil) or (@Plugins[PluginID].Procs.Init = nil) or (@Plugins[PluginID].Procs.DeInit = nil) then - begin - FreeLibrary(hLib); - Plugins[PluginID].State := 255; - Core.ReportError(integer(PChar('Can''t get plugin procs from libary: "' + Info.Name + '" ' + Filename)), PChar('TPluginLoader')); - end; - end - else - begin // Newer Version already loaded - FreeLibrary(hLib); - end; - end - else - begin - FreeLibrary(hLib); - Core.ReportError(integer(PChar('Plugin with this name already exists: ' + string(Info.Name))), PChar('TPluginLoader')); - end; - end - else - begin - FreeLibrary(hLib); - Core.ReportError(integer(PChar('No name reported: ' + Filename)), PChar('TPluginLoader')); - end; - end - else - begin - FreeLibrary(hLib); - Core.ReportError(integer(PChar('Can''t find info procedure: ' + Filename)), PChar('TPluginLoader')); - end; - end - else - Core.ReportError(integer(PChar('Can''t load plugin libary: ' + Filename)), PChar('TPluginLoader')); - end; -end; - -//-------------- -// Calls load func of plugin with the given index -//-------------- -function TPluginLoader.CallLoad(Index: integer): integer; -begin - Result := -2; - if(Index < Length(Plugins)) then - begin - if (@Plugins[Index].Procs.Load <> nil) and (Plugins[Index].State = 0) then - begin - try - Result := Plugins[Index].Procs.Load(@PluginInterface); - except - Result := -3; - end; - - if (Result = 0) then - Plugins[Index].State := 1 - else - begin - FreePlugin(Index); - Plugins[Index].State := 255; - Core.ReportError(integer(PChar('Error calling load function from plugin: ' + string(Plugins[Index].Info.Name))), PChar('TPluginLoader')); - end; - end; - end; -end; - -//-------------- -// Calls init func of plugin with the given index -//-------------- -function TPluginLoader.CallInit(Index: integer): integer; -begin - Result := -2; - if(Index < Length(Plugins)) then - begin - if (@Plugins[Index].Procs.Init <> nil) and (Plugins[Index].State = 1) then - begin - try - Result := Plugins[Index].Procs.Init(@PluginInterface); - except - Result := -3; - end; - - if (Result = 0) then - begin - Plugins[Index].State := 2; - Plugins[Index].NeedsDeInit := true; - end - else - begin - FreePlugin(Index); - Plugins[Index].State := 255; - Core.ReportError(integer(PChar('Error calling init function from plugin: ' + string(Plugins[Index].Info.Name))), PChar('TPluginLoader')); - end; - end; - end; -end; - -//-------------- -// Calls deinit proc of plugin with the given index -//-------------- -procedure TPluginLoader.CallDeInit(Index: integer); -begin - if(Index < Length(Plugins)) then - begin - if (Plugins[Index].State < 4) then - begin - if (@Plugins[Index].Procs.DeInit <> nil) and (Plugins[Index].NeedsDeInit) then - try - Plugins[Index].Procs.DeInit(@PluginInterface); - except - - end; - - // Don't forget to remove services and subscriptions by this plugin - Core.Hooks.DelbyOwner(-1 - Index); - - FreePlugin(Index); - end; - end; -end; - -//-------------- -// Frees all plugin sources (procs and handles) - helper for deiniting functions -//-------------- -procedure TPluginLoader.FreePlugin(Index: integer); -begin - Plugins[Index].State := 4; - Plugins[Index].Procs.Load := nil; - Plugins[Index].Procs.Init := nil; - Plugins[Index].Procs.DeInit := nil; - - if (Plugins[Index].hLib <> 0) then - FreeLibrary(Plugins[Index].hLib); -end; - -//-------------- -// wParam PChar(PluginName/PluginPath) | wParam (if lParam = nil) ID of the plugin -//-------------- -function TPluginLoader.LoadPlugin(wParam: TwParam; lParam: TlParam): integer; -var - Index: integer; - sFile: string; -begin - Result := -1; - sFile := ''; - // lParam is ID - if (lParam = nil) then - begin - Index := wParam; - end - else - begin //lParam is PChar - try - sFile := string(PChar(lParam)); - Index := PluginExists(sFile); - if (Index < 0) and FileExists(sFile) then - begin // Is filename - AddPlugin(sFile); - Result := Plugins[High(Plugins)].State; - end; - except - Index := -2; - end; - end; - - if (Index >= 0) and (Index < Length(Plugins)) then - begin - AddPlugin(Plugins[Index].Path); - Result := Plugins[Index].State; - end; -end; - -//-------------- -// wParam PChar(PluginName/PluginPath) | wParam (if lParam = nil) ID of the plugin -//-------------- -function TPluginLoader.UnloadPlugin(wParam: TwParam; lParam: TlParam): integer; -var - Index: integer; - sName: string; -begin - Result := -1; - // lParam is ID - if (lParam = nil) then - begin - Index := wParam; - end - else - begin // wParam is PChar - try - sName := string(PChar(lParam)); - Index := PluginExists(sName); - except - Index := -2; - end; - end; - - if (Index >= 0) and (Index < Length(Plugins)) then - CallDeInit(Index) -end; - -//-------------- -// if wParam = -1 then (if lParam = nil then get length of moduleinfo array. if lparam <> nil then write array of TUS_PluginInfo to address at lparam) else (Get PluginInfo of plugin with Index(wParam) to address at lParam) -//-------------- -function TPluginLoader.GetPluginInfo(wParam: TwParam; lParam: TlParam): integer; -var I: integer; -begin - Result := 0; - if (wParam > 0) then - begin // Get info of 1 plugin - if (lParam <> nil) and (wParam < Length(Plugins)) then - begin - try - Result := 1; - PUS_PluginInfo(lParam)^ := Plugins[wParam].Info; - except - - end; - end; - end - else if (lParam = nil) then - begin // Get length of plugin (info) array - Result := Length(Plugins); - end - else //Write PluginInfo Array to Address in lParam - begin - try - for I := 0 to high(Plugins) do - PAUS_PluginInfo(lParam)^[I] := Plugins[I].Info; - Result := Length(Plugins); - except - Core.ReportError(integer(PChar('Could not write PluginInfo Array')), PChar('TPluginLoader')); - end; - end; - -end; - -//-------------- -// if wParam = -1 then (if lParam = nil then get length of plugin state array. if lparam <> nil then write array of byte to address at lparam) else (return state of plugin with index(wParam)) -//-------------- -function TPluginLoader.GetPluginState(wParam: TwParam; lParam: TlParam): integer; -var I: integer; -begin - Result := -1; - if (wParam > 0) then - begin // Get state of 1 plugin - if (wParam < Length(Plugins)) then - begin - Result := Plugins[wParam].State; - end; - end - else if (lParam = nil) then - begin // Get length of plugin (info) array - Result := Length(Plugins); - end - else // Write plugininfo array to address in lParam - begin - try - for I := 0 to high(Plugins) do - byte(Pointer(integer(lParam) + I)^) := Plugins[I].State; - Result := Length(Plugins); - except - Core.ReportError(integer(PChar('Could not write pluginstate array')), PChar('TPluginLoader')); - end; - end; -end; - -{********************* - TtehPlugins - Implementation -*********************} - -//------------- -// function that gives some infos about the module to the core -//------------- -procedure TtehPlugins.Info(const pInfo: PModuleInfo); -begin - pInfo^.Name := 'TtehPlugins'; - pInfo^.Version := MakeVersion(1,0,0,chr(0)); - pInfo^.Description := 'Module executing the Plugins!'; -end; - -//------------- -// Just the constructor -//------------- -constructor TtehPlugins.Create; -begin - inherited; - PluginLoader := nil; -end; - -//------------- -// Is called on loading. -// In this method only events and services should be created -// to offer them to other modules or plugins during the init process -// if false is returned this will cause a forced exit -//------------- -function TtehPlugins.Load: boolean; -var - i: integer; // Counter - CurExecutedBackup: integer; //backup of Core.CurExecuted Attribute -begin - // Get pointer to pluginloader - PluginLoader := PPluginLoader(Core.GetModulebyName('TPluginLoader')); - if (PluginLoader = nil) then - begin - Result := false; - Core.ReportError(integer(PChar('Could not get pointer to pluginLoader')), PChar('TtehPlugins')); - end - else - begin - Result := true; - - // Backup curexecuted - CurExecutedBackup := Core.CurExecuted; - - // Start loading the plugins - for i := 0 to High(PluginLoader.Plugins) do - begin - Core.CurExecuted := -1 - i; - - try - // Unload plugin if not correctly executed - if (PluginLoader.CallLoad(i) <> 0) then - begin - PluginLoader.CallDeInit(i); - PluginLoader.Plugins[i].State := 254; // Plugin asks for unload - Core.ReportDebug(integer(PChar('Plugin selfabort during loading process: ' + string(PluginLoader.Plugins[i].Info.Name))), PChar('TtehPlugins')); - end - else - begin - Core.ReportDebug(integer(PChar('Plugin loaded succesfully: ' + string(PluginLoader.Plugins[i].Info.Name))), PChar('TtehPlugins')); - end; - except - // Plugin could not be loaded. - // => Show error message, then shutdown plugin - on E: Exception do - begin - PluginLoader.CallDeInit(i); - PluginLoader.Plugins[i].State := 255; // Plugin causes error - Core.ReportError(integer(PChar('Plugin causes error during loading process: ' + PluginLoader.Plugins[i].Info.Name + ', ErrorMsg: "' + E.Message + '"')), PChar('TtehPlugins')); - end; - end; - end; - - // Reset CurExecuted - Core.CurExecuted := CurExecutedBackup; - end; -end; - -//------------- -// Is called on init process -// in this method you can hook some events and create + init -// your classes, variables etc. -// if false is returned this will cause a forced exit -//------------- -function TtehPlugins.Init: boolean; -var - i: integer; // Counter - CurExecutedBackup: integer; // backup of Core.CurExecuted attribute -begin - Result := true; - - // Backup CurExecuted - CurExecutedBackup := Core.CurExecuted; - - // Start loading the plugins - for i := 0 to High(PluginLoader.Plugins) do - try - Core.CurExecuted := -1 - i; - - // Unload plugin if not correctly executed - if (PluginLoader.CallInit(i) <> 0) then - begin - PluginLoader.CallDeInit(i); - PluginLoader.Plugins[i].State := 254; //Plugin asks for unload - Core.ReportDebug(integer(PChar('Plugin selfabort during init process: ' + string(PluginLoader.Plugins[i].Info.Name))), PChar('TtehPlugins')); - end - else - Core.ReportDebug(integer(PChar('Plugin inited succesfully: ' + string(PluginLoader.Plugins[i].Info.Name))), PChar('TtehPlugins')); - except - // Plugin could not be loaded. - // => Show error message, then shut down plugin - PluginLoader.CallDeInit(i); - PluginLoader.Plugins[i].State := 255; //Plugin causes Error - Core.ReportError(integer(PChar('Plugin causes error during init process: ' + string(PluginLoader.Plugins[i].Info.Name))), PChar('TtehPlugins')); - end; - - // Reset CurExecuted - Core.CurExecuted := CurExecutedBackup; -end; - -//------------- -// Is called if this module has been inited and there is a exit. -// Deinit is in backwards initing order -//------------- -procedure TtehPlugins.DeInit; -var - i: integer; // Counter - CurExecutedBackup: integer; // backup of Core.CurExecuted attribute -begin - // Backup CurExecuted - CurExecutedBackup := Core.CurExecuted; - - // Start loop - - for i := 0 to High(PluginLoader.Plugins) do - begin - try - // DeInit plugin - PluginLoader.CallDeInit(i); - except - end; - end; - - // Reset CurExecuted - Core.CurExecuted := CurExecutedBackup; -end; - -end. diff --git a/src/base/UServices.pas b/src/base/UServices.pas deleted file mode 100644 index 3783c543..00000000 --- a/src/base/UServices.pas +++ /dev/null @@ -1,384 +0,0 @@ -{* 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 UServices; - -interface - -{$IFDEF FPC} - {$MODE Delphi} -{$ENDIF} - -{$I switches.inc} - -uses - uPluginDefs, - SysUtils; -{********************* - TServiceManager - Class for saving, managing and calling of Services. - Saves all Services and their Procs -*********************} - -type - TServiceName = String[60]; - PServiceInfo = ^TServiceInfo; - TServiceInfo = record - Self: THandle; //Handle of this Service - Hash: Integer; //4 Bit Hash of the Services Name - Name: TServiceName; //Name of this Service - - Owner: Integer; //If < 0 [-(DLLMan Pluginindex + 1)]; 0 - undefined, On Error Full shutdown, If < 0 [ModuleIndex - 1] - - Next: PServiceInfo; //Pointer to the Next Service in teh list - - //Here is s/t tricky - //To avoid writing of Wrapping Functions to offer a Service from a Class - //We save a Normal Proc or a Method of a Class - Case isClass: boolean of - False: (Proc: TUS_Service); //Proc that will be called on Event - True: (ProcOfClass: TUS_Service_of_Object); - end; - - TServiceManager = class - private - //Managing Service List - FirstService: PServiceInfo; - LastService: PServiceInfo; - - //Some Speed improvement by caching the last 4 called Services - //Most of the time a Service is called multiple times - ServiceCache: Array[0..3] of PServiceInfo; - NextCacheItem: Byte; - - //Next Service added gets this Handle: - NextHandle: THandle; - public - Constructor Create; - - Function AddService(const ServiceName: PChar; const Proc: TUS_Service = nil; const ProcofClass: TUS_Service_of_Object = nil): THandle; - Function DelService(const hService: THandle): integer; - - Function CallService(const ServiceName: PChar; const wParam: TwParam; lParam: TlParam): integer; - - Function NametoHash(const ServiceName: TServiceName): Integer; - Function ServiceExists(const ServiceName: PChar): Integer; - end; - -var - ServiceManager: TServiceManager; - -implementation -uses - ULog, - UCore; - -//------------ -// Create - Creates Class and Set Standard Values -//------------ -Constructor TServiceManager.Create; -begin - inherited; - - FirstService := nil; - LastService := nil; - - ServiceCache[0] := nil; - ServiceCache[1] := nil; - ServiceCache[2] := nil; - ServiceCache[3] := nil; - - NextCacheItem := 0; - - NextHandle := 1; - - {$IFDEF DEBUG} - debugWriteln('ServiceManager: Succesful created!'); - {$ENDIF} -end; - -//------------ -// Function Creates a new Service and Returns the Services Handle, -// 0 on Failure. (Name already exists) -//------------ -Function TServiceManager.AddService(const ServiceName: PChar; const Proc: TUS_Service; const ProcofClass: TUS_Service_of_Object): THandle; -var - Cur: PServiceInfo; -begin - Result := 0; - - If (@Proc <> nil) or (@ProcOfClass <> nil) then - begin - If (ServiceExists(ServiceName) = 0) then - begin //There is a Proc and the Service does not already exist - //Ok Add it! - - //Get Memory - GetMem(Cur, SizeOf(TServiceInfo)); - - //Fill it with Data - Cur.Next := nil; - - If (@Proc = nil) then - begin //Use the ProcofClass Method - Cur.isClass := True; - Cur.ProcOfClass := ProcofClass; - end - else //Use the normal Proc - begin - Cur.isClass := False; - Cur.Proc := Proc; - end; - - Cur.Self := NextHandle; - //Zero Name - Cur.Name := #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0; - Cur.Name := String(ServiceName); - Cur.Hash := NametoHash(Cur.Name); - - //Add Owner to Service - Cur.Owner := Core.CurExecuted; - - //Add Service to the List - If (FirstService = nil) then - FirstService := Cur; - - If (LastService <> nil) then - LastService.Next := Cur; - - LastService := Cur; - - {$IFDEF DEBUG} - debugWriteln('ServiceManager: Service added: ''' + ServiceName + ''', Handle: ' + InttoStr(Cur.Self)); - {$ENDIF} - - //Inc Next Handle - Inc(NextHandle); - end - {$IFDEF DEBUG} - else debugWriteln('ServiceManager: Try to readd Service: ' + ServiceName); - {$ENDIF} - end; -end; - -//------------ -// Function Destroys a Service, 0 on success, not 0 on Failure -//------------ -Function TServiceManager.DelService(const hService: THandle): integer; -var - Last, Cur: PServiceInfo; - I: Integer; -begin - Result := -1; - - Last := nil; - Cur := FirstService; - - //Search for Service to Delete - While (Cur <> nil) do - begin - If (Cur.Self = hService) then - begin //Found Service => Delete it - - //Delete from List - If (Last = nil) then //Found first Service - FirstService := Cur.Next - Else //Service behind the first - Last.Next := Cur.Next; - - //IF this is the LastService, correct LastService - If (Cur = LastService) then - LastService := Last; - - //Search for Service in Cache and delete it if found - For I := 0 to High(ServiceCache) do - If (ServiceCache[I] = Cur) then - begin - ServiceCache[I] := nil; - end; - - {$IFDEF DEBUG} - debugWriteln('ServiceManager: Removed Service succesful: ' + Cur.Name); - {$ENDIF} - - //Free Memory - Freemem(Cur, SizeOf(TServiceInfo)); - - //Break the Loop - Break; - end; - - //Go to Next Service - Last := Cur; - Cur := Cur.Next; - end; -end; - -//------------ -// Function Calls a Services Proc -// Returns Services Return Value or SERVICE_NOT_FOUND on Failure -//------------ -Function TServiceManager.CallService(const ServiceName: PChar; const wParam: TwParam; lParam: TlParam): integer; -var - SExists: Integer; - Service: PServiceInfo; - CurExecutedBackup: Integer; //backup of Core.CurExecuted Attribute -begin - Result := SERVICE_NOT_FOUND; - SExists := ServiceExists(ServiceName); - If (SExists <> 0) then - begin - //Backup CurExecuted - CurExecutedBackup := Core.CurExecuted; - - Service := Pointer(SExists); - - If (Service.isClass) then - //Use Proc of Class - Result := Service.ProcOfClass(wParam, lParam) - Else - //Use normal Proc - Result := Service.Proc(wParam, lParam); - - //Restore CurExecuted - Core.CurExecuted := CurExecutedBackup; - end; - - {$IFDEF DEBUG} - debugWriteln('ServiceManager: Service ''' + ServiceName + ''' called. Result: ' + InttoStr(Result)); - {$ENDIF} -end; - -//------------ -// Generates the Hash for the given Name -//------------ -Function TServiceManager.NametoHash(const ServiceName: TServiceName): Integer; -// FIXME: check if the non-asm version is fast enough and use it by default if so -{$IF Defined(CPUX86_64)} -{$IFDEF FPC} - {$ASMMODE Intel} -{$ENDIF} -asm - { CL: Counter; RAX: Result; RDX: Current Memory Address } - Mov RCX, 14 - Mov RDX, ServiceName {Save Address of String that should be "Hashed"} - Mov RAX, [RDX] - @FoldLoop: ADD RDX, 4 {jump 4 Byte(32 Bit) to the next tile } - ADD RAX, [RDX] {Add the Value of the next 4 Byte of the String to the Hash} - LOOP @FoldLoop {Fold again if there are Chars Left} -end; -{$ELSEIF Defined(CPU386) or Defined(CPUI386)} -{$IFDEF FPC} - {$ASMMODE Intel} -{$ENDIF} -asm - { CL: Counter; EAX: Result; EDX: Current Memory Address } - Mov ECX, 14 {Init Counter, Fold 14 Times to get 4 Bytes out of 60} - Mov EDX, ServiceName {Save Address of String that should be "Hashed"} - Mov EAX, [EDX] - @FoldLoop: ADD EDX, 4 {jump 4 Byte(32 Bit) to the next tile } - ADD EAX, [EDX] {Add the Value of the next 4 Byte of the String to the Hash} - LOOP @FoldLoop {Fold again if there are Chars Left} -end; -{$ELSE} -var - i: integer; - ptr: ^integer; -begin - ptr := @ServiceName; - Result := 0; - for i := 1 to 14 do - begin - Result := Result + ptr^; - Inc(ptr); - end; -end; -{$IFEND} - - -//------------ -// Function Returns Non Zero if a Service with the given Name Exists, otherwise 0 -//------------ -Function TServiceManager.ServiceExists(const ServiceName: PChar): Integer; -var - Name: TServiceName; - Hash: Integer; - Cur: PServiceInfo; - I: Byte; -begin - Result := 0; - // to-do : Write a Metbod (in ASM) to Zero and Add in one turn (faster then this dirty hack ;) - //Zero Name: - Name := #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0; - //Add Service Name - Name := String(ServiceName); - Hash := NametoHash(Name); - - //First of all Look for the Service in Cache - For I := 0 to High(ServiceCache) do - begin - If (ServiceCache[I] <> nil) AND (ServiceCache[I].Hash = Hash) then - begin - If (ServiceCache[I].Name = Name) then - begin //Found Service in Cache - Result := Integer(ServiceCache[I]); - - {$IFDEF DEBUG} - debugWriteln('ServiceManager: Found Service in Cache: ''' + ServiceName + ''''); - {$ENDIF} - - Break; - end; - end; - end; - - If (Result = 0) then - begin - Cur := FirstService; - While (Cur <> nil) do - begin - If (Cur.Hash = Hash) then - begin - If (Cur.Name = Name) then - begin //Found the Service - Result := Integer(Cur); - - {$IFDEF DEBUG} - debugWriteln('ServiceManager: Found Service in List: ''' + ServiceName + ''''); - {$ENDIF} - - //Add to Cache - ServiceCache[NextCacheItem] := Cur; - NextCacheItem := (NextCacheItem + 1) AND 3; - Break; - end; - end; - - Cur := Cur.Next; - end; - end; -end; - -end. |