/**
@param from The old position.
@param to The new position.
*/
void OnlinePlayer::opponentMoved(Position from, Position to)
{
// Get the piece perhaps gets captured
Piece* piece = getBoard()->getPieceAt(to.x, to.y);
Piece* movedPiece = getBoard()->getPieceAt(from.x, from.y);
if(piece != NULL) {
mGui->addCapture(piece->getColor(), piece->getType());
getBoard()->removePiece(piece);
pieceCapturedSound();
}
else {
// Castling?
if(movedPiece->getType() == KING && abs(from.x - to.x) == 2)
gSound->playEffect(CASTLE_SOUND);
else
pieceMovedSound();
}
movedPiece->setPos(to.x, to.y);
movedPiece->moved();
// No longer waiting for the opponent to do a move
mWaitingOnMove = false;
// Set the last move position
setLastMove(from, to);
// Checkmate?
if(getBoard()->checkMate(getColor())) {
mGui->setStatus("Check mate!", RED, 100.0f);
gGame->drawAll();
mCheckMate = true;
mGui->displayCheckMate(false);
gDatabase->addLoss(getName());
}
else
mGui->setStatus("Your turn!", GREEN, 300.0f);
}
/**
@return The result of the action the player made. WRONG_COLOR, PIECE_SELECTED, PIECE_MOVED, INVALID_POSITION.
*/
ActionResult Player::performAction()
{
// Translate mouse coordinate to sqaure coordinates
Position pos = mBoard->toGridPos(gInput->mousePosition());
ActionResult action;
bool moved = false;
// No piece is selected
if(gInput->keyPressed(VK_LBUTTON) && mSelectedPiece == NULL)
{
Piece* piece = mBoard->getPieceAt(pos.x, pos.y);
// A piece was pressed
if(piece != NULL)
{
// The piece has another color than the players
if(piece->getColor() != getColor()) {
// Return wrong color msg
action = ActionResult(WRONG_COLOR, pos);
gSound->playEffect(ILLEGAL_SOUND);
}
else {
mSelectedPiece = piece;
mBoard->setSelected(pos.x, pos.y);
// Return piece selected msg
action = ActionResult(PIECE_SELECTED, pos);
}
}
}
// A piece is already selected
else if(gInput->keyPressed(VK_LBUTTON) && mSelectedPiece != NULL)
{
Piece* piece = mBoard->getPieceAt(pos.x, pos.y);
Position oldPos = mSelectedPiece->getPos();
// Was it a piece of the same color that was pressed? - Change the selected piece
if(piece != NULL && piece->getColor() == getColor())
{
mSelectedPiece = piece;
action = ActionResult(PIECE_SELECTED, pos);
}
// Didn't select a piece of the same color as self
else
{
// The piece can move to the pressed location
if(mBoard->validMove(mSelectedPiece, pos.x, pos.y))
{
// A piece was captured
if(piece != NULL) {
handleCapture(piece->getColor(), piece->getType());
mBoard->removePiece(piece);
pieceCapturedSound();
}
// Return piece moved msg
action = ActionResult(PIECE_MOVED, pos, mSelectedPiece->getPos());
// Update the selected piece's position
mSelectedPiece->setPos(pos.x, pos.y);
mSelectedPiece->moved();
// Was it castling?
if(mSelectedPiece->getType() == KING && abs(mSelectedPiece->getPos().x - oldPos.x) > 1) {
handleCastling(mSelectedPiece);
gSound->playEffect(CASTLE_SOUND);
}
else
pieceMovedSound();
mSelectedPiece = NULL;
}
// Can't move to the pressed location
else
{
// Return invalid position or checked msg
if(mBoard->resultsInCheck(mSelectedPiece, pos.x, pos.y))
action = ActionResult(GETS_CHECKED, mBoard->getPiece(KING, mSelectedPiece->getColor())->getPos());
else {
if(pos.x >= 0 && pos.x <= 7 && pos.y >= 0 && pos.y <= 7)
action = ActionResult(INVALID_POSITION, pos);
else
action = ActionResult(PIECE_SELECTED, Position(-10, -10));
}
gSound->playEffect(ILLEGAL_SOUND);
mSelectedPiece = NULL;
}
}
}
// Return the action
return action;
}
