ChessBoard.h

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#include <vrecko/Ability.h>

#include <vrecko/EnvironmentObject.h>


using namespace vrecko;


class ChessBoard: public Ability {
    public:
        ChessBoard();
        ~ChessBoard() {};

        void processEvent(const std::string &input_name, void *value);
        
        void update(void);

        std::string getAcceptableMessages(void) {return "ChessMove|AddChessPiece|MoveDone";}

        bool loadXMLParameters(XERCES_CPP_NAMESPACE_QUALIFIER DOMNode *parametersNode);

        typedef struct {
            std::string type, location;
            osg::Vec3 new_position;
        } Request;

    protected:
        FILE *chess_pipe;
        bool status, play, color;       // color - 0=black, 1=white
        unsigned int wait;
        bool generate_board;
        float square_size;
        osg::Vec3 a1pos;

        // pointers to geometries of chesspieces
        osg::Node *WRook, *WKnight, *WBishop, *WQueen, *WKing, *WPawn;
        osg::Node *BRook, *BKnight, *BBishop, *BQueen, *BKing, *BPawn;

        std::map<std::string, long int> pieces_map; // [location, EObject ID]

        int pfd_to[2], pfd_from[2];     // Pipe file descriptors
        osg::Vec3 white_out_pos, black_out_pos;

        bool _first;
};