src/variants/chess/castlingrules.h

   1 /*
   2   Copyright (c) 2007 Paolo Capriotti <p.capriotti@gmail.com>
   3
   4   This program is free software; you can redistribute it and/or modify
   5   it under the terms of the GNU General Public License as published by
   6   the Free Software Foundation; either version 2 of the License, or
   7   (at your option) any later version.
   8 */
   9
  10 #ifndef CHESS__CASTLINGRULES_H
  11 #define CHESS__CASTLINGRULES_H
  12
  13 #include <core/component.h>
  14 #include <core/point.h>
  15
  16 class IColor;
  17 class IState;
  18 class Move;
  19 class Piece;
  20
  21 namespace Chess {
  22
  23 class ICastlingRules {
  24 public:
  25   virtual ~ICastlingRules();
  26
  27   virtual bool canCastle(const Piece& piece, Move& move, const IState* state) const = 0;
  28   virtual bool handleCastling(const Piece& piece, const Move& move, IState* state) const = 0;
  29   virtual void setDelegator(Component* rules) = 0;
  30   virtual Point kingStartingPosition(const IState* state, const IColor* player) const = 0;
  31 };
  32
  33 class CastlingRules : public Component, public ICastlingRules {
  34 Q_OBJECT
  35   ICastlingRules* m_delegator;
  36 public:
  37   CastlingRules();
  38
  39   virtual bool canCastle(const Piece& piece, Move& move, const IState* state) const;
  40   virtual bool handleCastling(const Piece& piece, const Move& move, IState* state) const;
  41   virtual void setDelegator(Component* rules);
  42   virtual Point kingStartingPosition(const IState* state, const IColor* player) const;
  43 };
  44
  45 class CastlingRulesAdaptor : public ICastlingRules {
  46   Component* m_component;
  47   bool m_own;
  48 public:
  49   CastlingRulesAdaptor(Component* component, bool own = true);
  50   virtual ~CastlingRulesAdaptor();
  51
  52   virtual bool canCastle(const Piece& piece, Move& move, const IState* state) const;
  53   virtual bool handleCastling(const Piece& piece, const Move& move, IState* state) const;
  54   virtual void setDelegator(Component* rules);
  55   virtual Point kingStartingPosition(const IState* state, const IColor* player) const;
  56 };
  57
  58
  59 } // namespace Chess
  60
  61 #endif // CHESS__CASTLINGRULES_H
  62