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| |
| #ifndef BOAT_P_H |
| #define BOAT_P_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| //Own |
| #include "bomb.h" |
| #include "graphicsscene.h" |
| |
| // Qt |
| #include <QGraphicsRotation> |
| #include <QKeyEventTransition> |
| #include <QState> |
| |
| static const int MAX_BOMB = 5; |
| |
| |
| //These transtion test if we have to stop the boat (i.e current speed is 1) |
| class KeyStopTransition : public QKeyEventTransition |
| { |
| public: |
| KeyStopTransition(Boat *b, QEvent::Type t, int k) |
| : QKeyEventTransition(b, t, k), boat(b) |
| { |
| } |
| protected: |
| bool eventTest(QEvent *event) override |
| { |
| if (!QKeyEventTransition::eventTest(event)) |
| return false; |
| return (boat->currentSpeed() == 1); |
| } |
| private: |
| Boat *boat; |
| }; |
| |
| //These transtion test if we have to move the boat (i.e current speed was 0 or another value) |
| class KeyMoveTransition : public QKeyEventTransition |
| { |
| public: |
| KeyMoveTransition(Boat *b, QEvent::Type t, int k) |
| : QKeyEventTransition(b, t, k), boat(b), key(k) |
| { |
| } |
| protected: |
| bool eventTest(QEvent *event) override |
| { |
| if (!QKeyEventTransition::eventTest(event)) |
| return false; |
| return (boat->currentSpeed() >= 0); |
| } |
| void onTransition(QEvent *) override |
| { |
| //We decrease the speed if needed |
| if (key == Qt::Key_Left && boat->currentDirection() == Boat::Right) |
| boat->setCurrentSpeed(boat->currentSpeed() - 1); |
| else if (key == Qt::Key_Right && boat->currentDirection() == Boat::Left) |
| boat->setCurrentSpeed(boat->currentSpeed() - 1); |
| else if (boat->currentSpeed() < 3) |
| boat->setCurrentSpeed(boat->currentSpeed() + 1); |
| boat->updateBoatMovement(); |
| } |
| private: |
| Boat *boat; |
| int key; |
| }; |
| |
| //This transition trigger the bombs launch |
| class KeyLaunchTransition : public QKeyEventTransition |
| { |
| public: |
| KeyLaunchTransition(Boat *boat, QEvent::Type type, int key) |
| : QKeyEventTransition(boat, type, key), boat(boat) |
| { |
| } |
| protected: |
| bool eventTest(QEvent *event) override |
| { |
| if (!QKeyEventTransition::eventTest(event)) |
| return false; |
| //We have enough bomb? |
| return (boat->bombsLaunched() < MAX_BOMB); |
| } |
| private: |
| Boat *boat; |
| }; |
| |
| //This state is describing when the boat is moving right |
| class MoveStateRight : public QState |
| { |
| public: |
| explicit MoveStateRight(Boat *boat, QState *parent = nullptr) |
| : QState(parent), boat(boat) |
| { |
| } |
| protected: |
| void onEntry(QEvent *) override |
| { |
| boat->setCurrentDirection(Boat::Right); |
| boat->updateBoatMovement(); |
| } |
| private: |
| Boat *boat; |
| }; |
| |
| //This state is describing when the boat is moving left |
| class MoveStateLeft : public QState |
| { |
| public: |
| explicit MoveStateLeft(Boat *boat, QState *parent = nullptr) |
| : QState(parent), boat(boat) |
| { |
| } |
| protected: |
| void onEntry(QEvent *) override |
| { |
| boat->setCurrentDirection(Boat::Left); |
| boat->updateBoatMovement(); |
| } |
| private: |
| Boat *boat; |
| }; |
| |
| //This state is describing when the boat is in a stand by position |
| class StopState : public QState |
| { |
| public: |
| explicit StopState(Boat *boat, QState *parent = nullptr) |
| : QState(parent), boat(boat) |
| { |
| } |
| protected: |
| void onEntry(QEvent *) override |
| { |
| boat->setCurrentSpeed(0); |
| boat->setCurrentDirection(Boat::None); |
| boat->updateBoatMovement(); |
| } |
| private: |
| Boat *boat; |
| }; |
| |
| //This state is describing the launch of the torpedo on the right |
| class LaunchStateRight : public QState |
| { |
| public: |
| explicit LaunchStateRight(Boat *boat, QState *parent = nullptr) |
| : QState(parent), boat(boat) |
| { |
| } |
| protected: |
| void onEntry(QEvent *) override |
| { |
| Bomb *b = new Bomb; |
| b->setPos(boat->x()+boat->size().width(),boat->y()); |
| GraphicsScene *scene = static_cast<GraphicsScene *>(boat->scene()); |
| scene->addItem(b); |
| b->launch(Bomb::Right); |
| boat->setBombsLaunched(boat->bombsLaunched() + 1); |
| } |
| private: |
| Boat *boat; |
| }; |
| |
| //This state is describing the launch of the torpedo on the left |
| class LaunchStateLeft : public QState |
| { |
| public: |
| explicit LaunchStateLeft(Boat *boat, QState *parent = nullptr) |
| : QState(parent), boat(boat) |
| { |
| } |
| protected: |
| void onEntry(QEvent *) override |
| { |
| Bomb *b = new Bomb; |
| b->setPos(boat->x() - b->size().width(), boat->y()); |
| GraphicsScene *scene = static_cast<GraphicsScene *>(boat->scene()); |
| scene->addItem(b); |
| b->launch(Bomb::Left); |
| boat->setBombsLaunched(boat->bombsLaunched() + 1); |
| } |
| private: |
| Boat *boat; |
| }; |
| |
| #endif // BOAT_P_H |