File indexing completed on 2024-04-21 04:03:16

 /*
     SPDX-FileCopyrightText: 2007 Paolo Capriotti <p.capriotti@gmail.com>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #ifndef MESSAGE_H
 #define MESSAGE_H
 
 #include <QExplicitlySharedDataPointer>
 
 #include "ship.h"
 #include "ships.h"
 
 class MessageVisitor;
 
 class Message : public QSharedData
 {
 public:
     virtual ~Message() { }
     virtual void accept(MessageVisitor& visitor) const = 0;
 };
 
 typedef QExplicitlySharedDataPointer<Message> MessagePtr;
 
 class HeaderMessage : public Message
 {
     QString m_protocol_version;
     QString m_client_name;
     QString m_client_version;
     QString m_client_description;
 public:
     static const int MSGTYPE = 0;
     HeaderMessage(const QString& protocolVersion,
                  const QString& clientName,
                  const QString& clientVersion,
                  const QString& clientDescription);
     HeaderMessage();
     void accept(MessageVisitor& visitor) const override;
     static QString messageType() { return QStringLiteral("Header"); }
     
     const QString& protocolVersion() const { return m_protocol_version; }
     const QString& clientName() const { return m_client_name; }
     const QString& clientVersion() const { return m_client_version; }
     const QString& clientDescription() const { return m_client_description; }
 };
 
 class RejectMessage : public Message
 {
     bool m_version_mismatch;
     QString m_reason;
 public:
     static const int MSGTYPE = 1;
     RejectMessage(bool versionMismatch, const QString& reason);
     void accept(MessageVisitor& visitor) const override;
     static QString messageType() { return QStringLiteral("Reject"); }
 };
 
 class NickMessage : public Message
 {
     QString m_nickname;
 public:
     static const int MSGTYPE = 2;
     explicit NickMessage(const QString& nickname);
     void accept(MessageVisitor& visitor) const override;
     
     const QString& nickname() const { return m_nickname; }
     static QString messageType() { return QStringLiteral("Nick"); }
 };
 
 class BeginMessage : public Message
 {
 public:
     static const int MSGTYPE = 3;
     void accept(MessageVisitor& visitor) const override;
     static QString messageType() { return QStringLiteral("Begin"); }
 };
 
 class MoveMessage : public Message
 {
     Coord m_move;
 public:
     static const int MSGTYPE = 4;
     explicit MoveMessage(const Coord& move);
     void accept(MessageVisitor& visitor) const override;
     
     const Coord& move() const { return m_move; }
     static QString messageType() { return QStringLiteral("Move"); }
 };
 
 class NotificationMessage : public Message
 {
     Coord m_move;
     bool m_hit;
     bool m_death;
     Coord m_start;
     Coord m_stop;
 public:
     static const int MSGTYPE = 5;
     NotificationMessage(const Coord& m_move, bool hit, bool death,
         const Coord& start = Coord::invalid(), const Coord& stop = Coord::invalid());
     void accept(MessageVisitor& visitor) const override;
     static QString messageType() { return QStringLiteral("Notification"); }
     
     const Coord& move() const { return m_move; }
     bool hit() const { return m_hit; }
     bool death() const { return m_death; }
     const Coord& start() const { return m_start; }
     const Coord& stop() const { return m_stop; }
 };
 
 class GameOverMessage : public Message
 {
 public:
     struct ShipInfo
     {
         Coord pos;
         int size;
         Ship::Direction direction;
 
         ShipInfo(const Coord& pos, int size, Ship::Direction direction)
         : pos(pos)
         , size(size)
         , direction(direction)
         {
         }
     };
 private:
     QList<ShipInfo> m_ships;
 public:
     static const int MSGTYPE = 6;
     GameOverMessage();
 
     void addShip(const Coord& pos, int size, Ship::Direction direction);
     void accept(MessageVisitor& visitor) const override;
     static QString messageType() { return QStringLiteral("GameOver"); }
 
     const QList<ShipInfo>& ships() const { return m_ships; }
 };
 
 class RestartMessage : public Message
 {
 public:
     static const int MSGTYPE = 7;
     void accept(MessageVisitor& visitor) const override;
     static QString messageType() { return QStringLiteral("Restart"); }
 };
 
 class ChatMessage : public Message
 {
     QString m_nickname;
     QString m_chat;
 public:
     static const int MSGTYPE = 8;
     explicit ChatMessage(const QString& nick, const QString& chat);
     void accept(MessageVisitor& visitor) const override;
     static QString messageType() { return QStringLiteral("Chat"); }
 
     const QString& chat() const { return m_chat; }
     const QString& nickname() const { return m_nickname; }
 };
 
 
 class GameOptionsMessage : public Message
 {
 private:
     QString m_enabledAdjacentShipsString;
     QString m_oneOrSeveralShipsString;
     const BattleShipsConfiguration* m_battleShipsConfiguration;
 public:
     static const int MSGTYPE = 9;
     GameOptionsMessage(const QString& enableAdjacentShips, const QString& oneOrSeveralShips,
         const BattleShipsConfiguration* configuration);
     GameOptionsMessage(const bool enableAdjacentShips, const bool oneOrSeveralShips,
         const BattleShipsConfiguration &configuration);
 
     const QString & enabledAdjacentShips() const { return m_enabledAdjacentShipsString; }
     const QString & oneOrSeveralShips() const { return m_oneOrSeveralShipsString; }
     unsigned int gridWidth() const { return m_battleShipsConfiguration->boardWidth(); }
     unsigned int gridHeight() const { return m_battleShipsConfiguration->boardHeight(); }
     const BattleShipsConfiguration* shipsConfiguration() const { return m_battleShipsConfiguration; }
     void accept(MessageVisitor& visitor) const override;
     static QString messageType() { return QStringLiteral("GameOptions"); }
 };
 
 
 class MessageVisitor
 {
 public:
     virtual ~MessageVisitor() { }
     virtual void visit(const HeaderMessage& msg) = 0;
     virtual void visit(const RejectMessage& msg) = 0;
     virtual void visit(const NickMessage& msg) = 0;
     virtual void visit(const BeginMessage& msg) = 0;
     virtual void visit(const MoveMessage& msg) = 0;
     virtual void visit(const NotificationMessage& msg) = 0;
     virtual void visit(const GameOverMessage& msg) = 0;
     virtual void visit(const RestartMessage& msg) = 0;
     virtual void visit(const ChatMessage& msg) = 0;
     virtual void visit(const GameOptionsMessage& msg) = 0;
 };
 
 #endif // MESSAGE_H