?? abfactory.c
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/**/#include "C++/MazeParts.H"#include "C++/MazeGame.H"#define MazeFactory_H/**/class MazeFactory {public: MazeFactory();/**/ virtual Maze* MakeMaze() const { return new Maze; } virtual Wall* MakeWall() const { return new Wall; } virtual Room* MakeRoom(int n) const { return new Room(n); } virtual Door* MakeDoor(Room* r1, Room* r2) const { return new Door(r1, r2); }};/**/Maze* MazeGame::CreateMaze (MazeFactory& factory) { Maze* aMaze = factory.MakeMaze(); Room* r1 = factory.MakeRoom(1); Room* r2 = factory.MakeRoom(2); Door* aDoor = factory.MakeDoor(r1, r2); aMaze->AddRoom(r1); aMaze->AddRoom(r2);/**/ r1->SetSide(North, factory.MakeWall()); r1->SetSide(East, aDoor); r1->SetSide(South, factory.MakeWall()); r1->SetSide(West, factory.MakeWall());/**/ r2->SetSide(North, factory.MakeWall()); r2->SetSide(East, factory.MakeWall()); r2->SetSide(South, factory.MakeWall()); r2->SetSide(West, aDoor); return aMaze;}/**/class EnchantedMazeFactory : public MazeFactory {public: EnchantedMazeFactory();/**/ virtual Room* MakeRoom(int n) const { return new EnchantedRoom(n, CastSpell()); }/**/ virtual Door* MakeDoor(Room* r1, Room* r2) const { return new DoorNeedingSpell(r1, r2); }/**/protected: Spell* CastSpell() const;};/**/#define EnchantedMazeFactory_H#include "C++/MazeFactories.H"/**/Wall* BombedMazeFactory::MakeWall () const { return new BombedWall;}/**/Room* BombedMazeFactory::MakeRoom(int n) const { return new RoomWithABomb(n);}/**/void dummy() {/**/MazeGame game;BombedMazeFactory factory;game.CreateMaze(factory);/**/}/**/?? 快捷鍵說明
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