src/hlvariant/icsapi_wrapped.h

   1 #ifndef HLVARIANT__ICSAPI_WRAPPED_H
   2 #define HLVARIANT__ICSAPI_WRAPPED_H
   3
   4 #include "icsapi.h"
   5 #include "tagua_wrapped.h"
   6
   7 namespace HLVariant {
   8
   9 template <typename Variant>
  10 class WrappedICSAPI : public ICSAPI {
  11 public:
  12   virtual PositionPtr createChessboard(int, bool, bool, bool, bool, const Point&);
  13   virtual PiecePtr createPiece(const QString& description);
  14 };
  15
  16 // IMPLEMENTATION
  17
  18 template <typename Variant>
  19 PositionPtr WrappedICSAPI<Variant>::createChessboard(
  20                           int turn,
  21                           bool wkCastle,
  22                           bool wqCastle,
  23                           bool bkCastle,
  24                           bool bqCastle,
  25                           const Point& enPassant) {
  26   return PositionPtr(new WrappedPosition<Variant>(
  27     typename VariantData<Variant>::GameState(
  28       static_cast<typename VariantData<Variant>::Piece::Color>(turn),
  29       wkCastle,
  30       wqCastle,
  31       bkCastle,
  32       bqCastle,
  33       enPassant)));
  34 }
  35
  36 template <typename Variant>
  37 PiecePtr WrappedICSAPI<Variant>::createPiece(const QString& description) {
  38   return PiecePtr(new WrappedPiece<Variant>(
  39     VariantData<Variant>::Piece::fromDescription(description)));
  40 }
  41
  42 /**
  43   * Helper metafunction to create a null ICSAPI object
  44   * if the variant does not support ICS.
  45   */
  46 template <typename Variant, bool hasICS>
  47 struct ReturnICSAPIAux { };
  48
  49 template <typename Variant>
  50 struct ReturnICSAPIAux<Variant, true> {
  51   static ICSAPI* apply() {
  52     return new WrappedICSAPI<Variant>();
  53   }
  54 };
  55
  56 template <typename Variant>
  57 struct ReturnICSAPIAux<Variant, false> {
  58   static ICSAPI* apply() { return 0; }
  59 };
  60
  61 template <typename Variant>
  62 struct ReturnICSAPI
  63 : public ReturnICSAPIAux<Variant, Variant::hasICS> { };
  64
  65
  66
  67 }
  68
  69 #endif // HLVARIANT__ICSAPI_WRAPPED_H
  70