File indexing completed on 2024-04-28 07:53:30

 /* This file is part of KsirK.
    Copyright (C) 2002-2007 Gael de Chalendar <kleag@free.fr>
 
    KsirK is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public
    License as published by the Free Software Foundation, either version 2
    of the License, or (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
    02110-1301, USA
 */
 
 #ifndef AIPLAYER_H
 #define AIPLAYER_H
 
 #include "GameLogic/gameautomaton.h"
 #include "GameLogic/player.h"
 #include "GameLogic/country.h"
 
 #include <QThread>
 
 namespace Ksirk
 {
 
 namespace GameLogic
 {
 
 class Nationality;
 class ONU;
 class AIPlayerIO;
 class GameAutomaton;
 
 /**
   * This class represents a computer player. It holds all strategic routines.
   * @author Gael de Chalendar (aka Kleag)
   */
 class AIPlayer : public Player
 {
 Q_OBJECT
 
 public: 
   /** 
     * Constructor with simple initializations
     */
   explicit AIPlayer(
           const QString & nomPlayer, unsigned int nbArmies,
           Nationality * myNation,  PlayersArray& players, ONU* world,
           GameAutomaton* game );
 
   /** Default destructor. */
   ~AIPlayer() override;
 
   /**
     * The idendification of the player. Overwrite this in
     * classes inherting KPlayer to run time identify them.
     *
     * @return 2 for this class.
   */
   int rtti() const override {return 2;}
   
   /**
     * Returns true (an AIPlayer is an AI)
     */
   bool isAI() const override;
 
     /** set stopMe to true in order for the run method to return */
   void stop();
     
   /**
     * Saves this AI player as XML. Used in game saving.
     * @param xmlStream The stream on which to write the XML
     */
   void saveXml(QTextStream& xmlStream) override;
 
   bool isRunning () const {return m_thread.isRunning();}
 
 public Q_SLOTS:
   void start ( QThread::Priority priority = QThread::InheritPriority ) {m_thread.start(priority);}
 
 protected:
   /** 
     * This function is called whenever the player should choose an action 
     * (attack, defense, etc.). It has the responsibility to choose the correct
     * action depending on the state of the game.
     */
   void actionChoice(GameLogic::GameAutomaton::GameState state) override;
 
   /** Returns a pair of countries where the attacker have enough armies to 
     * attack and the defender is a ennemy neighbour of the attacker */
   virtual QPair< const Country*, const Country* > chooseBelligerant();
 
   /**
     * Chooses the next action. In the current basic setting, chooses at random
     * between the three possibilities. For each, chooses randomly the
     * parameters.If the randomly chosen parameters end by an impossible
     * action, continue with next player.
     */
   virtual void chooseAttackMoveArmiesOrNextPlayer();
 
   /**
     * Chooses a country to receive a new army in dotation
     */
   virtual Country* chooseReceivingCountry();
   
   /**
     * chooses to continue invasion with a certain amount of armies or to stop it
     */
   virtual void chooseInvasionAction();
   
   /**
     * make all what is necessary to prepare and launch an attack
     * @return true if was able to prepare an attack ; false otherwise
     */
   bool attackAction();
   
   /**
     * makes all what is necessary to prepare and start the moving of armies
     */
   virtual bool moveArmiesAction();
   
   /**
     * makes what is necessary to finish my turn
     */
   void nextPlayerAction();
 
 protected: // Private attributes
   class MyThread: public QThread
   {
   protected:
     void run () override;
     
   public:
     explicit MyThread(AIPlayer& p) : me(p) {}
     void setStopMe ( bool value ) { stopMe = value; }
   private:
     /** indicates to the thread if the run method should return */
     bool stopMe;
     AIPlayer& me;
   };
 
   AIPlayerIO* aiPlayerIO();
   
 /**
     * Pointer to the players. Information about them is necessary decide of
     * a strategy
     */
   PlayersArray& allPlayers;
 
   /**
     * Pointer to the World to consult it in order to decide the actions
     */
   ONU* m_world;
 
   /**
     * a pointer to the game. Necessary to be able to access the number of
     * attackers, etc. This solution is not very pretty... but an important
     * architectural change should be done to avoid it (@todo).
     */
   GameAutomaton* m_game;
 
  /**
    * a pointer to the game attribute defenseAuto
    *
    */
  // GameAutomaton* m_defenseAuto;
 
   /** pointers to the source and target country of an attack */
   const Country* m_src;
   const Country* m_dest;
 
   /** number of armies to move during an invasion or an end of turn moving */
   unsigned int m_toMove;
     
   bool m_hasVoted;
   bool m_actionWaitingStart;
   
   MyThread m_thread;
 
 private: // Private methods
   /**
     * chooses whether to defend with one or two armies. Always chooses the maximum possible
     */
   void chooseDefenseAction();
   
   /**
     * Takes the decision to recycle armies or not
     */
   void chooseWetherToRecycle();
   
   /**
     * chooses a country where to place a new army
     */
   void placeArmiesAction();
   
   /** Makes the choice of nb armies to move during an invasion or an end of turn moving */
   void chooseNbToMoveOrStop();
   
   /** Starts the timer of this player that will make it "think" all 200 ms. */
   void run();
 
   void requestAck();
 };
 
 } // closing namespace GameLogic
 } // closing namespace Ksirk
 #endif