//---------------------------------------------------------------------------
const double ChessGame::AttributeValue(
const ChessMove& move) const
{
double value = 0.0;
const int y1 = move.y1;
const int x1 = move.x1;
const int y2 = move.y2;
const int x2 = move.x2;
const ChessPiece piece = mBoard.GetPiece(x1,y1);
assert(piece.IsNull()==false);
//const EnumChessPieceColor color = piece.GetColor();
if (mBoard.GetPiece(x2,y2).IsNull()==false)
{
//An expensive piece should not take a cheaper piece
//The more expensive the piece to move,
// the less motivated it will be to take a piece
if (piece.GetType()==king ) { value-=100.0; }
if (piece.GetType()==queen ) { value-= 9.0; }
if (piece.GetType()==rook ) { value-= 4.0; }
if (piece.GetType()==bishop) { value-= 2.0; }
if (piece.GetType()==knight) { value-= 2.0; }
if (piece.GetType()==pawn ) { value-= 0.0; }
//The more expensive the piece to take,
// the more motivated it will be to take it
const ChessPiece victim = mBoard.GetPiece(x2,y2);
if (victim.GetType()==king ) { value+=100000.0; }
if (victim.GetType()==queen ) { value+=10.0; }
if (victim.GetType()==rook ) { value+= 5.0; }
if (victim.GetType()==bishop) { value+= 3.0; }
if (victim.GetType()==knight) { value+= 3.0; }
if (victim.GetType()==pawn ) { value+= 1.0; }
}
return value;
}
//---------------------------------------------------------------------------
const bool ChessGame::CanDoMove(const ChessMove& move) const
{
//Regular move
const ChessPiece piece = mBoard.GetPiece(move.x1,move.y1);
//Is it of the right color?
if (piece.GetColor()!=mWhoseTurn) return false;
//Is the captured piece of the other color?
//->checked by ChessBoard
//ChessBoard checks the rest
return mBoard.CanDoMove(move);
}
vector<BoardPosition> ChessPiece::checkMoves(vector<vector<BoardPosition> > jumps) const {
vector<BoardPosition> moves;
for(unsigned int i = 0; i < jumps.at(0).size(); i++) { // for(unsigned int i = 0; i < jumps.size(); i++)
if(!this->outOfBounds(jumps.at(0).at(i))) {
ChessPiece* piece = this->getBoard()->getAt(jumps.at(0).at(i));
if(piece == NULL || piece->getColor() != this->getColor()) {
moves.push_back(jumps.at(0).at(i));
}
}
}
return moves;
}
void ChessBoard::ResolveLineOfSight(ChessPiece* movedPiece)
{
Player* opponentPlayer;
Player* currPlayer;
if (movedPiece->isWhite())
{
opponentPlayer = _BlackPlayer;
currPlayer = _WhitePlayer;
}
else
{
opponentPlayer = _WhitePlayer;
currPlayer = _BlackPlayer;
}
//Will be handled here now lulz
if (pieceToText(movedPiece) == 'K')
{
opponentPlayer->ClearAttackingKingPieces();
ChessSquare KingLoc = currPlayer->GetKingLocation();
for (int i = 0; i < opponentPlayer->GetNumPiecesLeft(); i++)
{
ChessPiece* currPiece = opponentPlayer->GetPiece(i);
if (currPiece->HasLineToKing(KingLoc) )
opponentPlayer->AddToKingAttacking(currPiece);
}
return;
}
ChessSquare KingLoc = opponentPlayer->GetKingLocation();
if (!movedPiece->IsInKingArray() )
{
if (movedPiece->HasLineToKing(KingLoc) )
{
currPlayer->AddToKingAttacking(movedPiece);
}
}
else
{
if (movedPiece->HasLineToKing(KingLoc) )
{
//currPlayer->AddToKingAttacking(movedPiece);
}
else
currPlayer->RemoveKingAttacking(movedPiece);
}
}
bool ChessMove::IsValidMovePawn(const ChessBoard& board) const{
ChessPiece* pawn = board.GetPiece(startX, startY);
ChessColor color = pawn->GetColor();
int delta = GetDelta(color);
int startingRow = GetStartingRow(color);
ChessPiece* occupyingPiece = board.GetPiece(endX, endY);
if (occupyingPiece){
return abs(startX-endX)==1 && startY+delta==endY;
} else if (endX==startX){
if (startingRow==startY){
return endY==startingRow+delta || (!board.GetPiece(endX, startingRow+delta) && endY==startingRow+delta*2);
} else {
return endY==startY+delta;
}
}
return false;
}
void GamePresenter::drawBoard() {
SDL_RenderClear(main_renderer);
SDL_RenderCopy(main_renderer,background,NULL,&fullscreen);
SDL_Rect currentField;
currentField.h = SCREEN_HEIGHT/8;
currentField.w = SCREEN_WIDTH/8;
currentField.y = 0;
for(int a = 7; a >= 0; a--){
currentField.x = 0;
for(int b = 0; b<8; b++){
ChessPiece* CurrentPiece = currentgame->getPieceAtLocation(a*8 + b);
if (CurrentPiece)
SDL_RenderCopy(main_renderer,piecesheet,&pieces[getSpriteForPiece(CurrentPiece->GetType(),CurrentPiece->GetColor())],¤tField);
currentField.x += currentField.w;
}
currentField.y += currentField.h;
}
if (currentgame->isGameOver()){
SDL_SetTextureAlphaMod(piecesheet,160);
if (currentgame->getResult() == "White wins"){
SDL_RenderCopy(main_renderer,piecesheet,&pieces[getSpriteForPiece('K','W')],&fullscreen);
}
if (currentgame->getResult() == "Black wins"){
SDL_RenderCopy(main_renderer,piecesheet,&pieces[getSpriteForPiece('K','B')],&fullscreen);
}
if (currentgame->getResult() == "Draw"){
SDL_Rect lefthalf;
lefthalf.h=SCREEN_HEIGHT;
lefthalf.w=SCREEN_WIDTH/2;
lefthalf.x=0;
lefthalf.y=0;
SDL_Rect righthalf(lefthalf);
righthalf.x=SCREEN_WIDTH/2;
SDL_Rect halfwhiteking=pieces[getSpriteForPiece('K','W')];
SDL_Rect halfblackking=pieces[getSpriteForPiece('K','B')];
halfwhiteking.w/=2;
halfblackking.w/=2;
halfblackking.x+=halfblackking.w;
SDL_RenderCopy(main_renderer,piecesheet,&halfwhiteking,&lefthalf);
SDL_RenderCopy(main_renderer,piecesheet,&halfblackking,&righthalf);
}
SDL_SetTextureAlphaMod(piecesheet,255);
}
SDL_RenderPresent(main_renderer);
}
bool ChessMove::IsValidCastleMove(const ChessBoard& board) const{
ChessPiece* king = board.GetPiece(startX, startY);
if (king->GetMoveCount() != 0) return false;
if (abs(startX-endX) != 2 || startY != endY) return false;
int x = 7;
int delta = 1;
if (startX > endX){
x = 0;
delta = -1;
}
ChessPiece* rook = board.GetPiece(x, startY);
if (rook && rook->GetMoveCount() != 0) return false;
ChessColor opposingColor = SwitchColor(king->GetColor());
for (int i = startX; GetCondition(i, startX, x); i += delta){
if ((board.GetPiece(i, startY) && i != startX)
|| board.UnderAttack(opposingColor,i,startY)) return false;
}
return true;
}
int Chess::findBestMove(Player* player, int depth) {
Player* otherPlayer = player;
if (player == &_computer) {
otherPlayer = &_player;
}
else {
otherPlayer = &_computer;
}
if (depth == 0) {
return (player->score(_board.tiles()) - otherPlayer->score(_board.tiles()));
}
for (auto cp : player->activeChessPieces(_board.tiles())) {
for (auto pm : cp->possibleMoves(_board.tiles())) {
// Make move
ChessPiece* endPosPiece = pm.toTile->_currPiece;
cp->move(pm.toTile, _board.tiles());
player->_moves.push_back(Move(pm.fromTile, pm.toTile));
int score = findBestMove(otherPlayer, depth - 1);
if (score > player->_bestScore){
player->_bestScore = score;
player->_bestMove = player->_moves[0];
}
// Restore piece
cp->_currTile = pm.fromTile;
pm.fromTile->_currPiece = cp;
pm.toTile->_currPiece = endPosPiece;
if (endPosPiece != nullptr) {
endPosPiece->setActive(true);
}
player->_moves.pop_back();
// TODO: Change the way we update position of chesspieces everywhere.
cp->setPosition(pm.fromTile->_pos.x + pm.fromTile->_size.x / 2, pm.fromTile->_pos.y + pm.fromTile->_size.y / 2);
}
}
return (player->score(_board.tiles()) - otherPlayer->score(_board.tiles()));
}
void ChessBoard::ResolveCastleLineOfSight(bool bIsWhite)
{
Player* opponentPlayer;
Player* currPlayer;
if (bIsWhite)
{
opponentPlayer = _BlackPlayer;
currPlayer = _WhitePlayer;
}
else
{
opponentPlayer = _WhitePlayer;
currPlayer = _BlackPlayer;
}
ChessSquare OpponentKingLoc = opponentPlayer->GetKingLocation();
for (int i = 0; i < currPlayer->GetNumPiecesLeft(); i++)
{
ChessPiece* currPiece = currPlayer->GetPiece(i);
if (pieceToText(currPiece) == 'R')
{
if (currPiece->HasLineToKing(OpponentKingLoc) )
{
currPlayer->AddToKingAttacking(currPiece);
}
}
}
opponentPlayer->ClearAttackingKingPieces();
ChessSquare KingLoc = currPlayer->GetKingLocation();
for (int i = 0; i < opponentPlayer->GetNumPiecesLeft(); i++)
{
ChessPiece* currPiece = opponentPlayer->GetPiece(i);
if (currPiece->HasLineToKing( KingLoc) )
opponentPlayer->AddToKingAttacking(currPiece);
}
}
bool ChessMove::IsValidMove(const ChessBoard& board) const{
if (endX < 0 || endX > 7 || endY < 0 || endY > 7)
return false;
ChessPiece* startPiece = board.GetPiece(startX, startY);
ChessPiece* occupyingPiece = board.GetPiece(endX, endY);
ChessColor color = startPiece->GetColor();
if (occupyingPiece && occupyingPiece->GetColor() == color)
return false;
switch (startPiece->GetRank()){
case PAWN:
return IsValidMovePawn(board) || IsValidEnPassantMove(board, GetDelta(color), GetStartingRow(color));
case ROOK:
return IsValidMoveRook(board);
case KNIGHT:
return IsValidMoveKnight();
case BISHOP:
return IsValidMoveBishop(board);
case QUEEN:
return IsValidMoveBishop(board) || IsValidMoveRook(board);
case KING:
return IsValidMoveKing() || IsValidCastleMove(board);
}
return false;
}
ChessMove ChessMove::fromString(const std::string& str)
{
if(str.length()<4)
{
return ChessMove();
}
PieceType promotion = ptNone;
if(str.length()>4)
{
ChessPiece p = ChessPiece::fromChar(str[4]);
switch(p.type())
{
case ptQueen:
case ptRook:
case ptBishop:
case ptKnight:
promotion = p.type();
break;
}
}
CoordPair cpair = CoordPair::fromString(str.substr(0, 4));
if(cpair==CoordPair()) return ChessMove();
return ChessMove(cpair, promotion);
}
bool ChessMove::IsValidEnPassantMove(const ChessBoard& board, int delta, int startingRow) const{
if (startY != startingRow+delta*3 || abs(startX-endX) != 1 || startY+delta != endY) return false;
if (board.GetPiece(endX, endY)) return false;
ChessPiece* potentialPawn = board.GetPiece(endX, startY);
return potentialPawn && potentialPawn->GetRank()==PAWN && potentialPawn->GetMoveCount()==1;
}
vector<Possible_Move> Rook::move()
{
ChessPiecePosition current_position;
Possible_Move possible_move;
///////////////////////////////////////
vector< vector<ChessPiece*> > Board = ChessBoard::GetBoard();
vector<Possible_Move> All_Possible_Positions;
current_position = GetPosition();
bool Current_White = GetWhite();
//Right
for(int x=current_position.x+1 ; x<8 ; x++)
{
ChessPiece NewPiece = *Board[current_position.y][x];
ChessPiecePosition p;
p.x=x;
p.y=current_position.y;
if(NewPiece.GetName() == "")
{
possible_move.position = p;
possible_move.Action=GLOBALS::Action_Move;
All_Possible_Positions.push_back(possible_move);
}
else
{
if(NewPiece.GetWhite() != Current_White)
{
possible_move.position=p;
possible_move.Action=GLOBALS::Action_Attack;
All_Possible_Positions.push_back(possible_move);
}
break;
}
}
//Left
for(int x=current_position.x-1 ; x>=0 ; x--)
{
ChessPiece NewPiece =* Board[current_position.y][x];
ChessPiecePosition p;
p.x=x;
p.y=current_position.y;
if(NewPiece.GetName() == "")
{
possible_move.position=p;
possible_move.Action=GLOBALS::Action_Move;
All_Possible_Positions.push_back(possible_move);
}
else
{
if(NewPiece.GetWhite() != Current_White)
{
possible_move.position=p;
possible_move.Action=GLOBALS::Action_Attack;
All_Possible_Positions.push_back(possible_move);
}
break;
}
}
//Down
for(int y=current_position.y+1 ; y<8 ; y++)
{
ChessPiece NewPiece = *Board[y][current_position.x];
ChessPiecePosition p;
p.x=current_position.x;
p.y=y;
if(NewPiece.GetName() == "")
{
possible_move.position=p;
possible_move.Action=GLOBALS::Action_Move;
All_Possible_Positions.push_back(possible_move);
}
else
{
if(NewPiece.GetWhite() != Current_White)
{
possible_move.position=p;
possible_move.Action=GLOBALS::Action_Attack;
All_Possible_Positions.push_back(possible_move);
}
break;
}
}
//Up
for(int y=current_position.y-1 ; y>=0 ; y++)
{
ChessPiece NewPiece = *Board[y][current_position.x];
ChessPiecePosition p;
p.x=current_position.x;
p.y=y;
if(NewPiece.GetName() == "")
{
possible_move.position=p;
possible_move.Action=GLOBALS::Action_Move;
All_Possible_Positions.push_back(possible_move);
}
else
{
if(NewPiece.GetWhite() != Current_White)
{
possible_move.position=p;
possible_move.Action=GLOBALS::Action_Attack;
All_Possible_Positions.push_back(possible_move);
}
break;
}
}
return All_Possible_Positions;
}
int ChessBoard::CalculateScore(const Chromosome* calcChromo)
{
int score = 0;
BlackPlayer* blackPlayer = _BlackPlayer;
WhitePlayer* whitePlayer = _WhitePlayer;
std::vector<const ChessPiece*> WhiteRooks;
WhiteRooks.reserve(10);
std::vector<const ChessPiece*> BlackRooks;
BlackRooks.reserve(10);
std::vector<const ChessPiece*> WhiteKnights;
WhiteKnights.reserve(10);
std::vector<const ChessPiece*> BlackKnights;
BlackKnights.reserve(10);
std::vector<const ChessPiece*> WhiteBishops;
WhiteBishops.reserve(10);
std::vector<const ChessPiece*> BlackBishops;
BlackBishops.reserve(10);
std::vector<const ChessPiece*> WhitePawns[8];
std::vector<const ChessPiece*> BlackPawns[8];
ChessPiece* WhiteKing;
ChessPiece* BlackKing;
ChessSquare WhiteKingLoc = GetKingLocation(false);
ChessSquare BlackKingLoc = GetKingLocation(true);
for (int i = 0; i < whitePlayer->GetNumPiecesLeft(); i++)
{
ChessPiece* currPiece = whitePlayer->GetPiece(i);
switch (pieceToText(currPiece) )
{
case 'R':
WhiteRooks.push_back(currPiece);
if (currPiece->IsAttackingSquare(BlackKingLoc.row, BlackKingLoc.col))
score += currPiece->GetMobilityScore(calcChromo, false);
else
score += currPiece->GetMobilityScore(calcChromo, true);
break;
case 'B':
WhiteBishops.push_back(currPiece);
if (currPiece->IsAttackingSquare(BlackKingLoc.row, BlackKingLoc.col))
score += currPiece->GetMobilityScore(calcChromo, false);
else
score += currPiece->GetMobilityScore(calcChromo, true);
break;
case 'P':
WhitePawns[currPiece->GetRow()].push_back(currPiece);
break;
case 'K':
WhiteKing = currPiece;
break;
case 'N':
WhiteKnights.push_back(currPiece);
if (currPiece->IsAttackingSquare(BlackKingLoc.row, BlackKingLoc.col))
score += currPiece->GetMobilityScore(calcChromo, false);
else
score += currPiece->GetMobilityScore(calcChromo, true);
break;
default:
//Don't care about queens
if (currPiece->IsAttackingSquare(BlackKingLoc.row, BlackKingLoc.col))
score += currPiece->GetMobilityScore(calcChromo, false);
else
score += currPiece->GetMobilityScore(calcChromo, true);
break;
}
}
for (int i = 0; i < blackPlayer->GetNumPiecesLeft(); i++)
{
ChessPiece* currPiece = blackPlayer->GetPiece(i);
switch (pieceToText(currPiece) )
{
case 'R':
BlackRooks.push_back(currPiece);
if (currPiece->IsAttackingSquare(WhiteKingLoc.row, WhiteKingLoc.col))
score -= currPiece->GetMobilityScore(calcChromo, false);
else
score -= currPiece->GetMobilityScore(calcChromo, true);
break;
case 'B':
BlackBishops.push_back(currPiece);
if (currPiece->IsAttackingSquare(WhiteKingLoc.row, WhiteKingLoc.col))
score -= currPiece->GetMobilityScore(calcChromo, false);
else
score -= currPiece->GetMobilityScore(calcChromo, true);
break;
case 'P':
BlackPawns[currPiece->GetRow()].push_back(currPiece);
break;
case 'K':
BlackKing = currPiece;
break;
case 'N':
BlackKnights.push_back(currPiece);
if (currPiece->IsAttackingSquare(WhiteKingLoc.row, WhiteKingLoc.col))
score -= currPiece->GetMobilityScore(calcChromo, false);
else
score -= currPiece->GetMobilityScore(calcChromo, true);
break;
default:
//Don't care about queens
if (currPiece->IsAttackingSquare(WhiteKingLoc.row, WhiteKingLoc.col))
score -= currPiece->GetMobilityScore(calcChromo, false);
else
score -= currPiece->GetMobilityScore(calcChromo, true);
break;
}
}
for (int i = blackPlayer->GetNumPiecesLeft() - 1; i >= 0; i--)
{
ChessPiece * currPiece = blackPlayer->GetPiece(i);
score -= currPiece->GetScore();
//currPiece = NULL;
/*{
if (currPiece->IsAttackingSquare(WhiteKing->GetRow(), WhiteKing->GetCol() ) )
{
//Player shouldn't capture king
score -= currPiece->GetMobilityScore(calcChromo, true);
}
else {
score -= currPiece->GetMobilityScore(calcChromo, false);
}
}
score -= currPiece->GetDefendingScore(calcChromo);
score += currPiece->GetPieceUnderAttackScore(calcChromo);*/
}
for (int i = whitePlayer->GetNumPiecesLeft() -1 ; i >= 0; i--)
{
ChessPiece * currPiece = whitePlayer->GetPiece(i);
score += currPiece->GetScore();
//currPiece = NULL;
/*{
if (currPiece->IsAttackingSquare(BlackKing->GetRow(), BlackKing->GetCol() ) )
{
//Player shouldn't capture king
score += currPiece->GetMobilityScore(calcChromo, true);
}
else {
score += currPiece->GetMobilityScore(calcChromo, false);
}
}
score += currPiece->GetDefendingScore(calcChromo);
score -= currPiece->GetPieceUnderAttackScore(calcChromo);*/
}
if (WhiteBishops.size() > 1)
{
score += calcChromo->GetWeighting(BishopPair);
}
if (BlackBishops.size() > 1)
{
score -= calcChromo->GetWeighting(BishopPair);
}
for (int i = 0; i < WhiteRooks.size(); i++)
{
if (WhiteRooks[i]->GetCol() == 6)
{
score += calcChromo->GetWeighting(RookOnSeventhRow);
break;
}
}
for (int i = 0; i < BlackRooks.size(); i++)
{
if (BlackRooks[i]->GetCol() == 1)
{
score -= calcChromo->GetWeighting(RookOnSeventhRow);
break;
}
}
score += RookBattery(WhiteRooks) * calcChromo->GetWeighting(RookBatteryType);
score -= RookBattery(BlackRooks) * calcChromo->GetWeighting(RookBatteryType);
score -= dynamic_cast<King*>(WhiteKing)->CastleMissed() * calcChromo->GetWeighting(CastleMissed);
score += dynamic_cast<King*>(BlackKing)->CastleMissed() * calcChromo->GetWeighting(CastleMissed);
score -= UnMovedWhiteKnightBishop(WhiteBishops, WhiteKnights) * calcChromo->GetWeighting(UnMovedKnightBishop);
score += UnMovedBlackKnightBishop(BlackBishops, BlackKnights) * calcChromo->GetWeighting(UnMovedKnightBishop);
score += calcChromo->GetWeighting(CenterAttackWeighting) * CenterAttackScore();
score += calcChromo->GetWeighting(OpponentSquareWeighting) * OpponentSquareScore();
score += calcChromo->GetWeighting(CastleScoreWeighting) * CastleScore();
score += PawnStructureScore(WhitePawns, BlackPawns, WhiteRooks, calcChromo);
score -= PawnStructureScore(BlackPawns, WhitePawns, BlackRooks, calcChromo);
score += calcChromo->GetWeighting(OpenFileRookWeighting) * OpenFileRookScore();
//const int CheckmateWeight = 100000;
//score += CheckmateWeight * CheckMateScore();
if (score < -1000000000 || score > 0x7FFFFFFF)
ChessAssert();
WhiteRooks.clear();
BlackRooks.clear();
WhiteKnights.clear();
BlackKnights.clear();
WhiteBishops.clear();
BlackBishops.clear();
for (int i =0 ; i < 8; i++)
{
WhitePawns[i].clear();
BlackPawns[i].clear();
}
return score;
}
void ChessBoard::PromotePawn(Pawn* pawn, const ChessSquare* MoveTo, char PromotionPiece)
{
ChessSquare pieceLoc;
pawn->GetLocation(pieceLoc);
ChessMove* newMove = NULL;
if ((MoveTo->row) != (pawn->GetLocation().row ))
{
if (!GetPiece(MoveTo->row, MoveTo->col))
ChessAssert();
bWhiteMove ? _BlackPlayer->RemovePiece(GetPiece(MoveTo->row, MoveTo->col)) :
_WhitePlayer->RemovePiece(GetPiece(MoveTo->row, MoveTo->col));
//NEED TO CHANGE THIS
newMove = new ChessMove(pawn, pieceLoc.row, pieceLoc.col,MoveTo->row, MoveTo->col, true, this);
#ifdef PRINT_MEMORY_MOVES
printf("Created move at: %i\n", newMove);
fflush(stdout);
#endif
Board[MoveTo->row][MoveTo->col] = NULL;
}
else
{
newMove = new ChessMove(pawn, pieceLoc.row, pieceLoc.col,MoveTo->row, MoveTo->col, false, this);
#ifdef PRINT_MEMORY_MOVES
printf("Created move at: %i\n", newMove);
fflush(stdout);
#endif
}
newMove->SetPromotion(true);
Board[pieceLoc.row][pieceLoc.col] = NULL;
if(pieceToText(pawn) != 'P')
ChessAssert();
ChessPiece* newPiece;
Player* currPlayer;
ChessSquare currLoc = pawn->GetLocation();
if ( pawn->isWhite() )
{
if(pawn->GetLocation().col != 6)
ChessAssert();
currPlayer = _WhitePlayer;
}
else {
if(pawn->GetLocation().col != 1)
ChessAssert();
currPlayer = _BlackPlayer;
}
//char* c = new char;
//bool bValidChar;
//bValidChar = false;
//
//printf("What piece would you like to turn the pawn into? Type N, R, B, or Q");
//while (! (bValidChar) )
{
//std::cin >> c;
switch(PromotionPiece)
{
case 'N':
newPiece = new Knight(MoveTo->row, MoveTo->col, pawn->isWhite(), this);
newPiece->SetIsInKingArray(false);
break;
case 'n':
newPiece = new Knight(MoveTo->row, MoveTo->col, pawn->isWhite(), this);
newPiece->SetIsInKingArray(false);
break;
case 'R':
newPiece = new Rook(MoveTo->row, MoveTo->col, pawn->isWhite(), this);
newPiece->SetIsInKingArray(false);
break;
case 'r':
newPiece = new Rook(MoveTo->row, MoveTo->col, pawn->isWhite(), this);
newPiece->SetIsInKingArray(false);
break;
case 'B':
newPiece = new Bishop(MoveTo->row, MoveTo->col, pawn->isWhite(), this);
newPiece->SetIsInKingArray(false);
break;
case 'b':
newPiece = new Bishop(MoveTo->row, MoveTo->col, pawn->isWhite(), this);
newPiece->SetIsInKingArray(false);
break;
case 'Q':
newPiece = new Queen(MoveTo->row, MoveTo->col, pawn->isWhite(), this);
newPiece->SetIsInKingArray(false);
break;
case 'q':
newPiece = new Queen(MoveTo->row, MoveTo->col, pawn->isWhite(), this);
newPiece->SetIsInKingArray(false);
//bValidChar = true;
break;
default:
ChessAssert();
printf("Please enter in N, R, B, or Q");
break;
}
}
newMove->makeMove();
newMove->SetPromotionChar(PromotionPiece);
if (bWhiteMove)
{
if (_WhitePlayer->IsInCheck() )
_WhitePlayer->ClearCheckState();
}
else {
if (_BlackPlayer->IsInCheck() )
_BlackPlayer->ClearCheckState();
}
ResolveCheck(bWhiteMove);
if (bWhiteMove)
{
if (_BlackPlayer->IsInCheck() )
newMove->SetCheckMove(true);
else {
newMove->SetCheckMove(false);
}
}
else {
if (_WhitePlayer->IsInCheck() )
newMove->SetCheckMove(true);
else {
newMove->SetCheckMove(false);
}
}
currPlayer->PawnPromotion(pawn, newPiece);
bWhiteMove = !bWhiteMove;
bBlackMove = !bBlackMove;
#ifndef SUPPRESS_OUTPUT
_ChessLogInstance->printLog();
PrintBoard();
#endif
ResolveLineOfSight(newPiece);
//printf("Promotion Below: \n");
//ChessBoard::GetInstance()->PrintBoard();
}
void ChessBoard::UndoMove()
{
Player* currPlayer;
Player* opponentPlayer;
bool bKingMoved = false;
int col;
if (bWhiteMove)
{
currPlayer = _BlackPlayer;
opponentPlayer = _WhitePlayer;
col = 7;
}
else {
currPlayer = _WhitePlayer;
opponentPlayer = _BlackPlayer;
col = 0;
}
ChessMove* moveToUndo = _ChessLogInstance->getLastMove();
if ( moveToUndo->isCastle() )
{
if (moveToUndo->isKingSideCastle())
{
ChessPiece* king = GetPiece(6, col);
if(pieceToText(king) != 'K')
ChessAssert();
ChessPiece* rook = GetPiece(5, col);
if(pieceToText(rook) != 'R')
ChessAssert();
rook->SetRow(7);
king->SetRow(4);
Board[4][col] = king;
Board[6][col] = NULL;
Board[5][col] = NULL;
Board[7][col] = rook;
(dynamic_cast<King*>(king))->SetHasMoved(false);
(dynamic_cast<King*>(king))->SetHasCastled(false);
(dynamic_cast<Rook*>(rook))->SetHasMoved(false);
ResolveLineOfSight(rook);
}
else {
ChessPiece* king = GetPiece(2, col);
if(pieceToText(king) != 'K')
ChessAssert();
ChessPiece* rook = GetPiece(3, col);
if(pieceToText(rook) != 'R')
ChessAssert();
rook->SetRow(0);
king->SetRow(4);
Board[4][col] = king;
Board[3][col] = NULL;
Board[2][col] = NULL;
Board[0][col] = rook;
(dynamic_cast<King*>(king))->SetHasMoved(false);
(dynamic_cast<King*>(king))->SetHasCastled(false);
(dynamic_cast<Rook*>(rook))->SetHasMoved(false);
ResolveLineOfSight(rook);
}
bKingMoved = true;
}
//NEED TO CHECK FOR PAWN PROMOTION HERE
else if ( moveToUndo->isPromotion() )
{
ChessPiece* newPromoPiece = GetPiece(moveToUndo->getRow(), moveToUndo->getCol());
ChessSquare PromotionSquare = ChessSquare(moveToUndo->getRow(), moveToUndo->getCol());
currPlayer->UndoPawnPromotion(moveToUndo->getStartingRow(), PromotionSquare, newPromoPiece);
Board[moveToUndo->getRow()][moveToUndo->getCol()] = NULL;
if (PromotionSquare.row != moveToUndo->getStartingRow())
{
ChessPiece* capturedPiece = opponentPlayer->FindCapturedPiece(moveToUndo->getRow(), moveToUndo->getCol(), moveToUndo->getCapturedPiece());
if(!capturedPiece)
ChessAssert();
ChessSquare capturedPieceLoc = capturedPiece->GetLocation();
if (Board[capturedPieceLoc.row][capturedPieceLoc.col] != NULL )
ChessAssert();
opponentPlayer->RebirthCapturedPiece(capturedPiece);
AddPiece(capturedPiece);
}
//printf("Undid pawn promotion below: \n");
//ChessBoard::GetInstance()->PrintBoard();
}
else if ( moveToUndo->IsEnPassant() )
{
ChessPiece* capturedPiece = opponentPlayer->FindCapturedPiece(moveToUndo->getRow(), moveToUndo->getStartingCol(), moveToUndo->getCapturedPiece());
if(!capturedPiece)
ChessAssert();
ChessPiece* movedPiece = GetPiece(moveToUndo->getRow(), moveToUndo->getCol() );
Board[moveToUndo->getRow()][moveToUndo->getCol()] = NULL;
Board[moveToUndo->getRow()][moveToUndo->getStartingCol()] = capturedPiece;
Board[moveToUndo->getStartingRow()][moveToUndo->getStartingCol()] = movedPiece;
movedPiece->SetRow(moveToUndo->getStartingRow());
movedPiece->SetCol(moveToUndo->getStartingCol());
//AddPiece(capturedPiece);
ResolveLineOfSight(capturedPiece);
opponentPlayer->RebirthCapturedPiece(capturedPiece);
ResolveLineOfSight(movedPiece);
}
else if ( moveToUndo->isCapture() )
{
ChessPiece* capturedPiece = moveToUndo->getCapturedPiece();
if (!capturedPiece)
ChessAssert();
ChessPiece* movedPiece = GetPiece(moveToUndo->getRow(), moveToUndo->getCol() );
Board[moveToUndo->getRow()][moveToUndo->getCol()] = capturedPiece;
Board[moveToUndo->getStartingRow()][moveToUndo->getStartingCol()] = movedPiece;
movedPiece->SetRow(moveToUndo->getStartingRow());
movedPiece->SetCol(moveToUndo->getStartingCol());
if (pieceToText(movedPiece) == 'K')
{
(dynamic_cast<King*>(movedPiece))->SetHasMoved(false);
bKingMoved = true;
}
else if (pieceToText(movedPiece) == 'R')
(dynamic_cast<Rook*>(movedPiece))->SetHasMoved(false);
ResolveLineOfSight(capturedPiece);
opponentPlayer->RebirthCapturedPiece(capturedPiece);
ResolveLineOfSight(movedPiece);
}
else
{
ChessPiece* movedPiece = GetPiece(moveToUndo->getRow(), moveToUndo->getCol() );
Board[moveToUndo->getRow()][moveToUndo->getCol()] = NULL;
Board[moveToUndo->getStartingRow()][moveToUndo->getStartingCol()] = movedPiece;
movedPiece->SetRow(moveToUndo->getStartingRow());
movedPiece->SetCol(moveToUndo->getStartingCol());
if (pieceToText(movedPiece) == 'K')
{
(dynamic_cast<King*>(movedPiece))->SetHasMoved(false);
bKingMoved = true;
}
else if (pieceToText(movedPiece) == 'R')
(dynamic_cast<Rook*>(movedPiece))->SetHasMoved(false);
ResolveLineOfSight(movedPiece);
}
if (bKingMoved)
{
currPlayer->ClearCheckState();
opponentPlayer->ClearAttackingKingPieces();
ChessSquare kingLoc = currPlayer->GetKingLocation();
for (int i = 0; i < opponentPlayer->GetNumPiecesLeft(); i++)
{
if (CheckForCheck(opponentPlayer->GetPiece(i)) )
{
currPlayer->EnterCheckState();
//printf("Checking Piece: %c", pieceToText(currPlayer->GetAttackingKingPiece(i)));
//fflush(stdout);
opponentPlayer->AddToKingAttacking(opponentPlayer->GetPiece(i));
}
else if (opponentPlayer->GetPiece(i)->HasLineToKing(kingLoc))
opponentPlayer->AddToKingAttacking(opponentPlayer->GetPiece(i));
}
}
else
{
for (int i = 0; i < opponentPlayer->GetNumAttackingKingPieces(); i++)
{
if (CheckForCheck(opponentPlayer->GetAttackingKingPiece(i)) )
{
currPlayer->EnterCheckState();
//printf("Checking Piece: %c", pieceToText(opponentPlayer->GetAttackingKingPiece(i)));
//fflush(stdout);
break;
}
if (i == (opponentPlayer->GetNumAttackingKingPieces() - 1))
currPlayer->ClearCheckState();
}
}
for (int i = 0; i < currPlayer->GetNumAttackingKingPieces(); i++)
{
if (CheckForCheck(currPlayer->GetAttackingKingPiece(i)) )
{
opponentPlayer->EnterCheckState();
//printf("Checking Piece: %c", pieceToText(currPlayer->GetAttackingKingPiece(i)));
//fflush(stdout);
break;
}
if (i == (currPlayer->GetNumAttackingKingPieces() - 1))
opponentPlayer->ClearCheckState();
}
_ChessLogInstance->removeLastItemFromLog();
bWhiteMove = !bWhiteMove;
bBlackMove = !bBlackMove;
//REMOVE BELOW WHEN WORKING
ChessSquare currPlayerKing = currPlayer->GetKingLocation();
/*for (int i = 0; i < opponentPlayer->GetNumPiecesLeft(); i++)
{
if (opponentPlayer->GetPiece(i)->HasLineToKing(currPlayerKing) )
{
if (!(opponentPlayer->GetPiece(i)->IsInKingArray()))
{
ChessPiece* forTestPiece = opponentPlayer->GetPiece(i);
forTestPiece->HasLineToKing(currPlayerKing);
ChessAssert();
}
}
else {
if (opponentPlayer->GetPiece(i)->IsInKingArray())
ChessAssert();
}
}
ChessSquare opponentPlayerKing = opponentPlayer->GetKingLocation();
for (int i = 0; i < currPlayer->GetNumPiecesLeft(); i++)
{
if (currPlayer->GetPiece(i)->HasLineToKing(opponentPlayerKing) )
{
if (!(currPlayer->GetPiece(i)->IsInKingArray()))
ChessAssert();
}
else {
if (currPlayer->GetPiece(i)->IsInKingArray())
ChessAssert();
}
}*/
}