src/hlvariant/dummy/legalitycheck.h

   1 /*
   2   Copyright (c) 2007 Paolo Capriotti <p.capriotti@sns.it>
   3             (c) 2007 Maurizio Monge <maurizio.monge@kdemail.net>
   4
   5   This program is free software; you can redistribute it and/or modify
   6   it under the terms of the GNU General Public License as published by
   7   the Free Software Foundation; either version 2 of the License, or
   8   (at your option) any later version.
   9 */
  10
  11 #ifndef HLVARIANT__DUMMY__LEGALITYCHECK_H
  12 #define HLVARIANT__DUMMY__LEGALITYCHECK_H
  13
  14 #include "../chess/legalitycheck.h"
  15 #include "interactiontype.h"
  16 #include "turnpolicy.h"
  17
  18 namespace HLVariant {
  19 namespace Dummy {
  20
  21 template <typename _GameState>
  22 class LegalityCheck {
  23 public:
  24   typedef _GameState GameState;
  25 protected:
  26   typedef typename GameState::Board Board;
  27   typedef typename GameState::Move Move;
  28   typedef typename Board::Piece Piece;
  29
  30   const GameState& m_state;
  31 public:
  32   LegalityCheck(const GameState&);
  33   virtual ~LegalityCheck();
  34
  35   virtual bool legal(Move&) const;
  36   virtual InteractionType movable(const TurnTest&, const Point&);
  37   virtual InteractionType droppable(const TurnTest&, int);
  38 };
  39
  40 // IMPLEMENTATION
  41
  42 template <typename GameState>
  43 LegalityCheck<GameState>::LegalityCheck(const GameState& state)
  44 : m_state(state) { }
  45
  46 template <typename GameState>
  47 LegalityCheck<GameState>::~LegalityCheck() { }
  48
  49 template <typename GameState>
  50 bool LegalityCheck<GameState>::legal(Move& move) const {
  51   if (move.drop() == Piece() &&
  52       move.index() != -1 &&
  53       move.pool() != -1) {
  54     move.setDrop(m_state.pools().pool(move.pool()).get(move.index()));
  55   }
  56
  57   return true;
  58 }
  59
  60 template <typename GameState>
  61 InteractionType LegalityCheck<GameState>::movable(const TurnTest& test, const Point& p) {
  62   Piece piece = m_state.board().get(p);
  63   return piece != Piece() && test(piece.color()) ? Moving : NoAction;
  64 }
  65
  66 template <typename GameState>
  67 InteractionType LegalityCheck<GameState>::droppable(const TurnTest& test, int index) {
  68   return test(index) ? Moving : NoAction;
  69 }
  70
  71
  72 } // namespace Dummy
  73 } // namespace HLVariant
  74
  75
  76 #endif // HLVARIANT__DUMMY__LEGALITYCHECK_H