Учебный Проект. Релиз 7: различия между версиями
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Очередная версия Учебного проекта, функциональной идеей которого является простая игра. | Очередная версия Учебного проекта, функциональной идеей которого является простая игра. |
Версия 09:30, 27 мая 2010
Учебный Проект. Релиз 7 |
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Автор: Виктор Юхтенко
Очередная версия Учебного проекта, функциональной идеей которого является простая игра.
Цель
Демонстрация приемов программирования на языке Visual Prolog
Особенности
- Механизм мультиязычности
- Индикация динамики процесса
Установка
Внимание: Код данной страницы не содержит модели игроков.
- Создать проект с пользовательским интерфейсом типа console
- В построенном проекте заменить полностью код файла "main.pro" кодом, предложенным ниже (только VIP 7.2)
- Добавить в файл "main.pro" текст программы страницы Класс GenericComputer
- Добавить в файл "main.pro" классы игроков с одновременной модификацией класса competitiors
- При построении проекта ответить на предложение о включении дополнительных пакетов в проект "Add All".
Запуск
- Язык приложения определяется помещением в командной строке идентификатора языка:
- ru - русский
- en - английский
- При запуске из среды IDE параметр языка помещается в поле формы "Project Settings"\Run Options\Run Arguments, получаемой из меню Project\Settings...
/*************************************************************** Copyright (c) 2007-2008 Prolog Development Center SPb SpbSolutions/Examples/Polyline Predicates neighbour_nd, neighbourOutOfPolyLine_nd based on solutions proposed by Elena Efimova Written by: Victor Yukhtenko ***************************************************************/ /***************** GOAL *****************/ goal mainExe::run(main::run). /***************** Class Main *****************/ implement main open core constants className = "main". classVersion = "1.0". clauses classInfo(className, classVersion). clauses run():- console::init(), game::run(). end implement main class game open core predicates classInfo : core::classInfo. domains language_D= en; ru. properties language_V:language_D. players_V:player*. multiMode_V:boolean. predicates run:(). addPlayer:(player Player). end class game implement game open core constants className = "game". classVersion = "1.0". clauses classInfo(className, classVersion). class facts language_V:language_D:=en. multiMode_V:boolean:=false. clauses run():- setLanguage(), humanInterface::setLanguage(language_V), Mode=chooseSingleOrMultiGame(), setGameProperties(), competitors::involvePlayers(), if Mode=single_S then playSingle() else multiMode_V:=true, seniourJudge::playMulti() end if. domains mode_D= single_S; multi_S. class predicates setLanguage:(). clauses setLanguage():- CommandLine = exe_native::getCommandLine(), if string::hasSuffix(CommandLine,"ru",_RestRu) then language_V:=ru end if, if string::hasSuffix(CommandLine,"en",_RestEn) then language_V:=en end if. class predicates chooseSingleOrMultiGame:()->mode_D GameOrCompetition. clauses chooseSingleOrMultiGame()=Choice:- ChoiceStr=humanInterface::getInput(humanInterface::singleOrMulti_S), if (string::equalIgnoreCase(ChoiceStr,"S") or ChoiceStr=""),! then Choice=single_S, ! else Choice=multi_S end if. class predicates playSingle:(). clauses playSingle():- StartingPlayer=chooseStartingPlayer(), seniourJudge::playSingle(StartingPlayer), !, playSingle(). playSingle(). class predicates setGameProperties:(). clauses setGameProperties():- juniourJudge::defineStage(). /*************************** Players ***************************/ class facts players_V:player*:=[]. clauses addPlayer(Player):- players_V:=list::append(players_V,[Player]). /*************************** Shoose Starting Player ***************************/ class predicates chooseStartingPlayer:()->player determ. clauses chooseStartingPlayer()=Player:- not(players_V=[]) and not(players_V=[_SiglePlayer]), findAll(PlayListMember,PlayListMember=playListMember(),PlayList), PlayListStr=string::concatList(PlayList), StartingPlayer=getStartingPlayerInput(PlayListStr), Player=list::nth(StartingPlayer-1,players_V). class predicates playListMember:()->string nondeterm. clauses playListMember()=PlayersListMember:- I = std::fromTo(1, list::length(game::players_V)), Player=list::nth(I-1,game::players_V), PlayersListMember=string::format("\n% - %",I,Player:name). class predicates getStartingPlayerInput:(string PlayListStr)->positive StartingPlayerNo determ. clauses getStartingPlayerInput(PlayListStr)=StartingPlayer:- StartingPlayerStr=humanInterface::getInput(humanInterface::startingPlayer_S,PlayListStr), if StartingPlayerStr="" then !, fail else try StartingPlayer=toTerm(StartingPlayerStr), ! catch _TraceID1 do humanInterface::announce(humanInterface::errorMustBeNumber_S,""), fail end try, if StartingPlayer>list::length(players_V) then humanInterface::announce(humanInterface::errorStartingPlayer_S,""), fail end if end if. getStartingPlayerInput(PlayListStr)=StartingPlayer:- StartingPlayer=getStartingPlayerInput(PlayListStr). end implement game /************************ Class seniorJudge ************************/ class seniourJudge open core properties inProgress_V:boolean. predicates playSingle:(player CurrentPlayer). playMulti:(). end class seniourJudge implement seniourJudge open core, humanInterface class facts inProgress_V:boolean:=false. clauses playSingle(Player):- inProgress_V=false, humanInterface::showStage(), humanInterface::announce(humanInterface::starter_S,Player:name), inProgress_V:=true, Player:move(), playSingle(Player), !. playSingle(Player):- juniourJudge::isGameOver(), !, if game::multiMode_V=false then Player:announceWin(), foreach (Participant=list::getMember_nd(game::players_V) and not(Participant=Player)) do Participant:announceLoss() end foreach else addWinner(Player) end if, inProgress_V:=false, juniourJudge::reset(). playSingle(Player):- NextPlayer=nextPlayer(Player), NextPlayer:move(), !, playSingle(NextPlayer). class predicates nextPlayer:(player CurrentPlayer)->player NextPlayer. clauses nextPlayer(Player)=NextPlayer:- Index=list::tryGetIndex(Player,game::players_V), NextPlayer=list::tryGetNth(Index+1,game::players_V), !. nextPlayer(_Player)=list::nth(0,game::players_V). /************************ Multi Mode Handle ************************/ class predicates defineNoOfRounds:(). clauses defineNoOfRounds():- InputString=humanInterface::getInput(humanInterface::noOfRounds_S,toString(noOfRounds_V)), not(InputString=""), try noOfRounds_V:=toTerm(InputString) catch _TraceID do humanInterface::announce(humanInterface::errorNoOfRounds_S,""), defineNoOfRounds() end try, !. defineNoOfRounds(). class facts starter_V:player:=erroneous. noOfRounds_V:positive:=10. statistics_F:(boolean TrueIfWon,player,positive Won). clauses playMulti():- defineNoOfRounds(), Player=list::getMember_nd(game::players_V), starter_V:=Player, playRound(noOfRounds_V), fail(). playMulti():- humanInterface::reset(), PlayersNo=list::length(game::players_V), humanInterface::announce(humanInterface::reportHeader_S,toString(PlayersNo*noOfRounds_V)), findAll ( PlayerResultList, ( Player=list::getMember_nd(game::players_V), WinsFirst=calculateWins(Player,true), WinsNext=calculateWins(Player,false), WnsTotal=WinsFirst+WinsNext, PlayerResultList=[Player:name,toString(WnsTotal),toString(WinsFirst),toString(WinsNext)] ), PlayerResultListList ), humanInterface::announce(humanInterface::report_S,toString(PlayerResultListList)), fail(). playMulti():- humanInterface::waitOK(). class facts wins_V:integer:=0. class predicates calculateWins:(player Player,boolean TrueIfFirst)->integer Sum. clauses calculateWins(Player,TrueIfFirst)=_:- wins_V:=0, statistics_F(TrueIfFirst,Player,Won), trap(wins_V:=wins_V+Won,_TraceID,fail), fail. calculateWins(_Player,_TrueIfFirst)=wins_V. class predicates playRound:(positive NoOfRounds). clauses playRound(0):-!. playRound(NoOfRounds):- humanInterface::announce(round_S,toString(noOfRounds_V-NoOfRounds+1)), seniourJudge::playSingle(starter_V), playRound(NoOfRounds-1). class predicates addWinner:(player). clauses addWinner(Player):- if Player=starter_V then TrueIfStarted=true else TrueIfStarted=false end if, addWinner(TrueIfStarted,Player). class predicates addWinner:(boolean TrueIfStarted,player Player). clauses addWinner(TrueIfStarted,Player):- retract(statistics_F(TrueIfStarted,Player,Won)), !, assert(statistics_F(TrueIfStarted,Player,Won+1)). addWinner(TrueIfStarted,Player):- assert(statistics_F(TrueIfStarted,Player,1)). end implement seniourJudge /************************ Class juniourJudge ************************/ class juniourJudge open core predicates classInfo : core::classInfo. domains cell = c(positive,positive). stepType_D= ordinary_S; winner_S. properties maxRow_P:positive. maxColumn_P:positive. polyline_P:cell*. predicates defineStage:(). neighbour_nd: (cell,cell) nondeterm (i,o) (i,i). neighbourOutOfPolyLine_nd:(cell,cell)->cell nondeterm. set: (string ). isGameOver:() determ. reset:(). end class juniourJudge implement juniourJudge open core, humanInterface constants className = "JuniourJudge". classVersion = "1.0". clauses classInfo(className, classVersion). class facts maxRow_P:positive:=6. maxColumn_P:positive:=6. polyline_P:cell*:=[]. endOfGame_V:boolean:=false. domains fieldSize_D=tableSize(positive X,positive Y). clauses defineStage():- defineFieldSize(). class predicates defineFieldSize:(). clauses defineFieldSize():- InputString=humanInterface::getInput(humanInterface::fieldSize_S,string::format("%s,%s",toString(maxColumn_P),toString(maxRow_P))), not(InputString=""), try hasDomain(fieldSize_D,FieldSize), FieldSize=toTerm(string::format("tableSize(%s)",InputString)), FieldSize=tableSize(X,Y), maxColumn_P:=X, maxRow_P:=Y catch _TraceID do humanInterface::announce(humanInterface::errorFieldSize_S,""), defineFieldSize() end try, !. defineFieldSize(). clauses isGameOver():- endOfGame_V=true. clauses set(InputString):- Cell=convertToCell(InputString), handleInput (Cell). class predicates convertToCell:(string InputString)->cell. clauses convertToCell(InputString)=Cell:- trap(Cell=toTerm(InputString),_TraceID,fail), !. convertToCell(InputString)=Cell:- CellString=string::format("c(%s)",InputString), trap(Cell=toTerm(CellString),_TraceID,fail), !. convertToCell(InputString)=toTerm(InputString). clauses reset():- juniourJudge:: polyline_P:=[], juniourJudge::endOfGame_V:=false. class predicates handleInput:(juniourJudge::cell). clauses handleInput(Cell):- list::isMember(Cell,polyline_P), try _=makePolyLine(Cell,polyline_P) % it will be an exception if wrong Cell, but we ignore it by failing catch _TraceID do fail end try, !, endOfGame_V:=true, humanInterface::showStep(Cell,winner_S). handleInput (Cell):- polyline_P:=makePolyLine(Cell,polyline_P), !, humanInterface::showStep(Cell,ordinary_S). class predicates makePolyLine: (cell,cell*)-> cell* multi. clauses makePolyLine(c(X,Y),[])=[c(X,Y)]:- X>0,X<=maxColumn_P, Y>0,Y<=maxRow_P, !. makePolyLine(NewCell,[SingleCell])=[NewCell,SingleCell]:- neighbour_nd(SingleCell, NewCell), !. makePolyLine(NewCell,[Left, RestrictingCell | PolyLineTail])=[NewCell, Left, RestrictingCell | PolyLineTail]:- NewCell=neighbourOutOfPolyLine_nd(Left,RestrictingCell). makePolyLine(NewCell,PolyLine)=list::reverse([NewCell,Left, RestrictingCell | PolyLineTail]):- [Left, RestrictingCell | PolyLineTail]= list::reverse(PolyLine), NewCell=neighbourOutOfPolyLine_nd(Left,RestrictingCell). makePolyLine(NewCell,_PolyLine)= _PolyLine1:- exception::raise(classInfo,wrongStepException,[namedValue("data",string(toString(NewCell)))]). class predicates wrongStepException:exception. clauses wrongStepException ( classInfo, predicate_Name(), "" ). clauses neighbourOutOfPolyLine_nd(Cell,RestrictingCell)=NewCell:- neighbour_nd(Cell,NewCell), not(NewCell = RestrictingCell). clauses neighbour_nd(c(X, Y), c(X + 1, Y)):- X < maxColumn_P. neighbour_nd(c(X, Y), c(X, Y + 1)):- Y < maxrow_P. neighbour_nd(c(X, Y), c(X - 1, Y)):- X > 1. neighbour_nd(c(X, Y), c(X, Y - 1)):- Y > 1. end implement juniourJudge /****************************************** Interface Player ******************************************/ interface player predicates setName:(string). move:(). announceWin:(). announceLoss:(). properties name:string. end interface player /************** Text localization **************/ interface polyLineText open core predicates getText:(humanInterface::actionID_D)->string Text. end interface polyLineText class polyLineTextRu:polyLineText end class polyLineTextRu implement polyLineTextRu open core, humanInterface clauses getText(TextID)=Text:- Text=getTextInt(TextID), !. getText(_TextID)="Текст не предусмотрен". class predicates getTextInt:(humanInterface::actionID_D TextID)->string Text determ. clauses getTextInt(thinker_S)="% думает ...". getTextInt(round_S)="Раунд: %". getTextInt(beginner_S)="Первый ход: %". getTextInt(congratulation_S)="Игрок % выиграл!". getTextInt(sorryLoss_S)="%, к сожалению, Вы проиграли :-(". getTextInt(singleOrMultipleChoice_S)="Выберите режим (S или Enter - одиночная игра, другое - мульти):". getTextInt(fieldSize_S)="\nВведите размер игрового поля X,Y (по умолчанию %):". getTextInt(playerStep_S)="Введите координаты клетки как c(X,Y) или как X,Y: ". getTextInt(playerType_S)="\nВозможные типы игроков:\n%s\nИгрок #%s. Укажите тип (Enter - конец выбора игроков):". getTextInt(playerName_S)="\nВведите имя Игрока (предлагается %):". getTextInt(startingPlayer_S)="\nКто первый ходит (номер Игрока или Enter - конец игры)?:". getTextInt(searchDepth_S)="\nУкажите глубину поиска решения в шагах(% - по умолчанию): ". getTextInt(noOfRounds_S)="\nВведите число партий игры (по умолчанию %):". getTextInt(reportHeader_S)="\nРезультаты % игр:". getTextInt(playerReport_S)="\nИгрок %:\n\t Всего побед % из них:\n\t\tПри ходе первым - \t%\n\t\tПри ходе следующим - \t% ". getTextInt(error_S)="Ошибка, % ". getTextInt(errorPlayerType_S)="\nТакого ТИПА Игрока нет! Enter - для повторного ввода:". getTextInt(errorMustBeNumber_S)="\nДолжен быть номер! Повторите ввод:". getTextInt(errorstartingPlayer_S)="\nТакого Игрока нет! Повторите ввод:". getTextInt(errorFieldSize_S)="\nНеправильно указан размер игрового поля! Повторите ввод:". getTextInt(errorNoOfRounds_S)="\nНеправильно указано число партий! Повторите ввод:". getTextInt(errorWrongCell_S)="Ход % не может быть продолжением линии:". end implement polyLineTextRu class polyLineTextEn:polyLineText end class polyLineTextEn implement polyLineTextEn open core, humanInterface clauses getText(TextID)=Text:- Text=getTextInt(TextID), !. getText(_TextID)="No Text Exists". class predicates getTextInt:(humanInterface::actionID_D TextID)->string Text determ. clauses getTextInt(thinker_S)="% is thinking ...". getTextInt(round_S)="Round: %". getTextInt(beginner_S)="First move done by: %". getTextInt(congratulation_S)="Player % won!". getTextInt(sorryLoss_S)="%, Sorry, you loss :-(". getTextInt(singleOrMultipleChoice_S)="Please choose the mode (S or Enter - single game, other - multiple):". getTextInt(fieldSize_S)="\nPlease enter the size of the gaimbling field X,Y (% by default):". getTextInt(playerStep_S)="Please enter your move as c(X,Y) or as X,Y: ". getTextInt(playerType_S)="\nPossible player types:\n%s\nPlayer #%s. Please enter the player type (Enter - end of list):". getTextInt(playerName_S)="\nPlease assign the name to the player (% proposed):". getTextInt(startingPlayer_S)="\nWho moves the first (PlayerNo or Enter - end of the game)?:". getTextInt(searchDepth_S)="\nChoose the depth of the prognosis (% - by default): ". getTextInt(noOfRounds_S)="\nPlease enter the number of games (% by default):". getTextInt(reportHeader_S)="\nResult of % games:". getTextInt(playerReport_S)="\nPlayer %:\n\t Wins Total % and:\n\t\tWhile first move - \t%\n\t\tWhile next move - \t% ". getTextInt(error_S)="Error, % ". getTextInt(errorPlayerType_S)="\nNo such player type exiasts! Enter - repeat input:". getTextInt(errorMustBeNumber_S)="\nMust be number! Please repeat input:". getTextInt(errorstartingPlayer_S)="\nNo such Player exiasts! Please repeat input:". getTextInt(errorFieldSize_S)="\nWrong size of the field entered! Please repeat input:". getTextInt(errorNoOfRounds_S)="\nWrong amount of games entered! Please repeat input:". getTextInt(errorWrongCell_S)="The Move % doesn't prolong the PolyLine:". end implement polyLineTextEn /****************************************** Class HumanInterface ******************************************/ class humanInterface open core predicates classInfo : core::classInfo. domains actionID_D= beginner_S; thinker_S; congratulation_S; sorryLoss_S; reportHeader_S; playerReport_S; report_S; round_S; starter_S; win_S; loss_S; singleOrMultipleChoice_S; fieldSize_S; playerStep_S; playerType_S; playerName_S; startingPlayer_S; searchDepth_S; noOfRounds_S; singleOrMulti_S; error_S; errorPlayerType_S; errorMustBeNumber_S; errorstartingPlayer_S; errorFieldSize_S; errorNoOfRounds_S; errorWrongCell_S. predicates reset:(). predicates announceStartUp:(). predicates setLanguage:(game::language_D). waitOK:(). showStage:(). showStep:(juniourJudge::cell,juniourJudge::stepType_D). getInput:(actionID_D,string StringParameter)->string InputString. getInput:(actionID_D)->string InputString. announce:(actionID_D AnnounceID,string AnnounceText). end class humanInterface implement humanInterface open core constants className = "humanInterface". classVersion = "1.0". clauses classInfo(className, classVersion). constants cellMarkedOrdinary_C="*". cellMarkedWinner_C="O". constants verticalSpace_C=2. horizontalSpace_C=3. emptyLineLenght_C=80. constants % Position of Line starterLine_C=1. announceLine_C=starterLine_C+1. actionLine_C=announceLine_C+1. polylineLine_C=actionLine_C+1. class facts language_V:polyLineText:=erroneous. clauses setLanguage(Language):- if Language=game::en then language_V:=polyLineTextEn::new() else language_V:=polyLineTextRu::new() end if. clauses getInput(InputType)=Input:- Input=getInput(InputType,""). getInput(InputType,StringParameter)=Input:- inputInvitation(InputType,StringParameter), !, Input = console::readLine(), console::clearInput(). getInput(_InputType,_StringParameter)=_Input:- common_Exception::raise_error(classInfo,predicate_Name(),"InternalException. Extra alternative"). class predicates inputInvitation:(actionID_D,string StringParameter) determ. clauses inputInvitation(playerStep_S,_StringParameter):- clearMessageArea(actionLine_C), writeMessage(actionLine_C,"%",language_V:getText(playerStep_S)). inputInvitation(playerName_S,StringParameter):- console::writef(language_V:getText(playerName_S),StringParameter). inputInvitation(playerType_S,StringParameter):- hasDomain(string,PlayersDescriptor), [PlayersDescriptor,PlayerNo]=toTerm(StringParameter), console::writef(language_V:getText(playerType_S),PlayersDescriptor,PlayerNo). inputInvitation(startingPlayer_S,StringParameter):- console::write(StringParameter,language_V:getText(startingPlayer_S)). inputInvitation(searchDepth_S,StringParameter):- console::writef(language_V:getText(searchDepth_S),StringParameter). inputInvitation(fieldSize_S,StringParameter):- console::writef(language_V:getText(fieldSize_S),StringParameter). inputInvitation(noOfRounds_S,StringParameter):- console::writef(language_V:getText(noOfRounds_S),StringParameter). inputInvitation(singleOrMulti_S,_StringParameter):- console::write(language_V:getText(singleOrMultipleChoice_S)). clauses showStage():- game::multiMode_V=true, !. showStage():- console::clearOutput(), foreach I = std::fromTo(1, juniourJudge::maxColumn_P) do console::setLocation(console_native::coord(horizontalSpace_C*I, 0)), console::write(I) end foreach, foreach J = std::fromTo(1, juniourJudge::maxRow_P) do console::setLocation(console_native::coord(0, verticalSpace_C*J)), console::write(J) end foreach. clauses showStep(_Cell,_Type):- game::multiMode_V=true, clearMessageArea(actionLine_C), nextChar(char_V), !, writeMessage(actionLine_C,"%",char_V). showStep(juniourJudge::c(X,Y),_Type):- console::setLocation(console_native::coord(horizontalSpace_C*X, verticalSpace_C*Y)), fail. showStep(_Cell,juniourJudge::ordinary_S):- console::write(cellMarkedOrdinary_C). showStep(_Cell,juniourJudge::winner_S):- console::write(cellMarkedWinner_C). class facts char_V:string:="-". % -\|/ class predicates nextChar:(string CharIn) determ. clauses nextChar("-"):-char_V:="\\". nextChar("\\"):-char_V:="|". nextChar("|"):-char_V:="/". nextChar("/"):-char_V:="-". clauses announceStartUp():- reset(). clauses announce(reportHeader_S,Parameter):- !, console::writef(language_V:getText(reportHeader_S),Parameter). announce(report_S,PlayerResultListList):- !, findAll ( PlayerReport, ( hasDomain(string,Name), [Name,WinsTotal,WinsFirst,WinsNext]=list::getMember_nd(toTerm(PlayerResultListList)), PlayerReport=string::format(language_V:getText(playerReport_S),Name,WinsTotal,WinsFirst,WinsNext) ), PlayerReportList ), console::write(string::concatList(PlayerReportList)). announce(round_S,RoundString):- !, clearMessageArea(announceLine_C), writeMessage(announceLine_C,language_V:getText(round_S),RoundString). announce(starter_S,Name):- !, clearMessageArea(starterLine_C), writeMessage(starterLine_C,language_V:getText(beginner_S),Name). announce(errorPlayerType_S,_IgnoredText):- !, console::write(language_V:getText(errorPlayerType_S)), _=console::readLine(). announce(errorMustBeNumber_S,_IgnoredText):- !, console::write(language_V:getText(errorMustBeNumber_S)). announce(errorStartingPlayer_S,_IgnoredText):- !, console::write(language_V:getText(errorStartingPlayer_S)). announce(errorFieldSize_S,_IgnoredText):- !, console::write(language_V:getText(errorFieldSize_S)). announce(errorNoOfRounds_S,_IgnoredText):- !, console::write(language_V:getText(errorNoOfRounds_S)). announce(error_S,ErrorText):- !, clearMessageArea(announceLine_C), writeMessage(announceLine_C,language_V:getText(error_S),ErrorText). announce(errorWrongCell_S,InvalidData):- !, clearMessageArea(announceLine_C), writeMessage(announceLine_C,language_V:getText(errorWrongCell_S),InvalidData). announce(win_S,Name):- !, clearMessageArea(announceLine_C), clearMessageArea(actionLine_C), writeMessage(announceLine_C,language_V:getText(congratulation_S),Name), _ = console::readLine(). announce(loss_S,Name):- !, clearMessageArea(announceLine_C), clearMessageArea(actionLine_C), writeMessage(announceLine_C,language_V:getText(sorryLoss_S),Name), _ = console::readLine(). announce(thinker_S,_Name):- game::multiMode_V=true, !. announce(thinker_S,Name):- !, clearMessageArea(announceLine_C), clearMessageArea(actionLine_C), writeMessage(actionLine_C,language_V:getText(thinker_S),Name). announce(_Any,_Name):- common_Exception::raise_error(classInfo,predicate_Name(),"InternalException. Extra alternative"). clauses waitOK():- _=console::readLine(). clauses reset():- console::setLocation(console_native::coord(0,0)), console::write(string::create(1600," ")), console::clearOutput(). class predicates clearMessageArea:(positive AreaID). clauses clearMessageArea(AreaID):- console::setLocation(console_native::coord(0,juniourJudge::maxRow_P*verticalSpace_C+AreaID)), console::write(string::create(emptyLineLenght_C," ")). class predicates writeMessage:(positive AreaID,string FormatString,string ParameterString). clauses writeMessage(AreaID,FormatString,ParameterString):- console::setLocation(console_native::coord(0, juniourJudge::maxRow_P*verticalSpace_C+AreaID)), console::writef(FormatString,ParameterString). end implement humanInterface /****************** Class Competitors ******************/ class competitors open core predicates involvePlayers:(). end class competitors implement competitors open core clauses involvePlayers():- involvePlayers(1). class predicates involvePlayers:(positive PlayerNo). clauses involvePlayers(PlayerNo):- humanInterface::announceStartUp(), findAll ( PlayerDescriptor, ( playerDescriptor(No,PlayerDescriptorSrc), PlayerDescriptor=string::format("% - %\n",No,PlayerDescriptorSrc) ), PlayerDescriptorList ), PlayersDescriptor=string::concatList(PlayerDescriptorList), PlayerType=humanInterface::getInput(humanInterface::playerType_S,toString([PlayersDescriptor,toString(PlayerNo)])), not(PlayerType=""), try Player=createPlayerObject(toTerm(PlayerType)), Player:setName(toString(PlayerNo)), game::addPlayer(Player), NewPlayerNo=PlayerNo+1 catch _TraceID do humanInterface::announce(humanInterface::errorPlayerType_S,""), NewPlayerNo=PlayerNo end try, !, involvePlayers(NewPlayerNo). involvePlayers(_PlayerNo). class predicates wrongInputException:exception. clauses wrongInputException ( classInfo, predicate_Name(), "" ). class predicates playerDescriptor:(positive No [out],string PlayerDescriptorSrc [out]) multi. clauses playerDescriptor(1,human::getPlayerDescriptor(game::language_V)). playerDescriptor(2,computer0::getPlayerDescriptor(game::language_V)). playerDescriptor(3,computer1::getPlayerDescriptor(game::language_V)). playerDescriptor(4,computer2::getPlayerDescriptor(game::language_V)). /*Include here lines corresponding to the Player Class*/ % playerDescriptor(5,computer3::getPlayerDescriptor(game::language_V)). class predicates createPlayerObject:(positive)->player. clauses createPlayerObject(1)=Player:- !, Player=human::new(). createPlayerObject(2)=Player:- !, Player=computer0::new(). createPlayerObject(3)=Player:- !, Player=computer1::new(). createPlayerObject(4)=Player:- !, Player=computer2::new(). /*Include here lines corresponding to the Player Class*/ /* createPlayerObject(5)=Player:- !, Player=computer3::new(). */ createPlayerObject(_)=_Player:- exception::raise(classInfo,wrongInputException,[]). end implement competitors