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Diffstat (limited to 'src/classes/UCore.pas')
| -rw-r--r-- | src/classes/UCore.pas | 525 |
1 files changed, 0 insertions, 525 deletions
diff --git a/src/classes/UCore.pas b/src/classes/UCore.pas deleted file mode 100644 index fe23a68e..00000000 --- a/src/classes/UCore.pas +++ /dev/null @@ -1,525 +0,0 @@ -unit UCore; - -interface - -{$IFDEF FPC} - {$MODE Delphi} -{$ENDIF} - -{$I switches.inc} - -uses - uPluginDefs, - uCoreModule, - UHooks, - UServices, - UModules; - -{********************* - TCore - Class manages all CoreModules, teh StartUp, teh 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; //Teh 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. |