src/variants/shogi/type.cpp

   1 #include "type.h"
   2
   3 #include <core/behaviour.h>
   4 #include <core/promotionmanager.h>
   5 #include <core/state.h>
   6 #include <core/move.h>
   7
   8 #include <KDebug>
   9
  10 namespace Shogi {
  11
  12 bool Type::canMove(const Piece& piece, const Piece& target,
  13                      Move& move, const IState* state) const {
  14   bool valid = DefaultType::canMove(piece, target, move, state);
  15   if (!valid)
  16     return false;
  17
  18   IBehaviour* behaviour = const_cast<IBehaviour*>(state->behaviour());
  19   Q_ASSERT(behaviour);
  20   bool may_promote;
  21   Q_ASSERT(QMetaObject::invokeMethod(behaviour, "mayPromote",
  22                                      Q_RETURN_ARG(bool, may_promote),
  23                                      Q_ARG(const IState*, state),
  24                                      Q_ARG(const Move, move))); // FIXME: Move& ?
  25   if (may_promote) {
  26     move.setType("promotion");
  27     const PromotionManager* pm;
  28     Q_ASSERT(QMetaObject::invokeMethod(behaviour, "promotionManager",
  29                                        Q_RETURN_ARG(const PromotionManager*, pm)));
  30     const IType* newtype = pm->getPromotion(piece.type());
  31     kDebug() << "promoting to" << newtype->name();
  32     move.setPromotion(newtype);
  33   }
  34
  35   return true;
  36 }
  37
  38 } // namespace Shogi