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CChessPieces ƒ
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CKing.cp
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1993-05-26
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////////////
//
// CKing.cp
//
// Chess Piece methods for implementing a King.
//
// Copyright © 1993 Steven J. Bushell. All rights reserved.
//
////////////
#include <stdlib.h>
#include <string.h>
#include "CChessBoard.h"
#include "CChessPiece.h"
#include "CKing.h"
extern CIconHandle gWhiteKingCicnHandle;
extern CIconHandle gBlackKingCicnHandle;
void CKing::IKing(Boolean aColor)
{
inherited::IChessPiece(aColor);
itsValue = kKingValue;
canCastle = true;
}
void CKing::Draw(short rank, short file)
{
CIconHandle cicnHandle;
Rect aRect;
short rankQD = (rank - 1) << 5, fileQD = (file - 1) << 5;
cicnHandle = (itsColor == White) ? gWhiteKingCicnHandle : gBlackKingCicnHandle;
aRect.left = rankQD;
aRect.right = rankQD+32;
aRect.top = fileQD;
aRect.bottom = fileQD+32;
PlotCIcon(&aRect,cicnHandle);
}
CIconHandle CKing::GetCicnHandle(void)
{
return gWhiteKingCicnHandle;
}
Boolean CKing::IsValidMove(CChessBoard *aBoard, short newRank, short newFile)
{
short oldRank = aBoard->firstClickRank, oldFile = aBoard->firstClickFile;
if ((abs(oldRank-newRank) <= 1) && (abs(oldFile-newFile) <= 1))
return true;
if ((abs(oldRank-newRank) == 2) && (canCastle == true))
{
if ( 1 )
; // do castling stuff here
}
return false;
}
void CKing::RegisterMove(short rank, short file)
{
canCastle = false;
inherited::RegisterMove(rank,file);
}