void Board::merge(BoardDiff& diff)
{
last_moved_ = NULL;
for(map<Man*,Diff>::iterator it = diff.begin(); it != diff.end(); ++it) {
Diff& diff = (*it).second;
if(diff.to.x != -1) {
Man *man = (*it).first;
is_last_move_valid_ = man->canMove(diff.from.x, diff.from.y, diff.to.x-diff.from.x, diff.to.y-diff.from.y);
}
}
for(map<Man*,Diff>::iterator it = diff.begin(); it != diff.end(); ++it) {
Diff& diff = (*it).second;
if(diff.from.x != -1) {
set(diff.from.x, diff.from.y, NULL);
}
}
for(map<Man*,Diff>::iterator it = diff.begin(); it != diff.end(); ++it) {
Diff& diff = (*it).second;
if(diff.to.x != -1) {
Man *man = (*it).first;
set(diff.to.x, diff.to.y, man);
if(man && man->getTypeId() == TYPE_PAWN) {
if((man->getSide()==0&&diff.to.y==0) || (man->getSide()==1&&diff.to.y==GRID_Y-1)) {
static_cast<Pawn*>(man)->setPromoted(true);
cout << "promoted" << endl;
}
}
man->setMoved(true);
last_moved_ = man;
cout << "(" << diff.from.x << "," << diff.from.y << ")->(" << diff.to.x << "," << diff.to.y << ")" << endl;
}
}
}
void Board::updatePromotion()
{
for(int x = 0; x < GRID_X; ++x) {
for(int y = 0; y < GRID_Y; ++y) {
Man *man = board_[x][y];
if(man && man->getTypeId() == TYPE_PAWN) {
if((man->getSide()==0&&y==0) || (man->getSide()==1&&y==GRID_Y-1)) {
static_cast<Pawn*>(man)->setPromoted(true);
cout << "promoted" << endl;
}
}
}
}
}
bool Pawn::canMove(int x, int y, int move_x, int move_y)
{
if(isPromoted()) {
return move_x == 0 || move_y == 0 || abs(move_x)==abs(move_y);
}
int dir = getSide()==0?-1:1;
if(move_x == 0) {
if(board_->get(x,y+dir) != NULL) {
return false;
}
if(move_y == dir) {
return true;
}
if(!isMoved() && move_y==dir*2) {
return board_->get(x,y+move_y)==NULL;
}
return false;
}
if(move_y != dir) {
return false;
}
if(abs(move_x) != 1) {
return false;
}
Man *target = board_->get(x+move_x,y+move_y);
return target?target->getSide()!=getSide():false;
}
void Pawn::updatePossibleMoves()
{
possible_move_.clear();
int x = move_history_.back().first;
int y = move_history_.back().second;
if(isPromoted()) {
checkLine(x,y, -1,-1);
checkLine(x,y, -1, 0);
checkLine(x,y, -1, 1);
checkLine(x,y, 0,-1);
checkLine(x,y, 0, 1);
checkLine(x,y, 1,-1);
checkLine(x,y, 1, 0);
checkLine(x,y, 1, 1);
}
else {
Man *target = NULL;
int next_x, next_y;
switch(player_) {
case 0:
next_x = x;
next_y = y-1;
break;
case 1:
next_x = x;
next_y = y+1;
break;
}
if(board_->isInBounds(next_x, next_y) && !board_->get(next_x, next_y)) {
possible_move_.push_back(pair<int,int>(next_x,next_y));
if(!isMoved()) {
switch(player_) {
case 0:
next_x = x;
next_y = y-2;
break;
case 1:
next_x = x;
next_y = y+2;
break;
}
if(board_->isInBounds(next_x, next_y) && !board_->get(next_x, next_y)) {
possible_move_.push_back(pair<int,int>(next_x,next_y));
}
}
}
switch(player_) {
case 0:
next_x = x+1;
next_y = y-1;
break;
case 1:
next_x = x-1;
next_y = y+1;
break;
}
if(board_->isInBounds(next_x, next_y)) {
Man *target = board_->get(next_x, next_y);
if(target) {
if(target->getSide() != getSide()) {
possible_move_.push_back(pair<int,int>(next_x,next_y));
}
}
else {
switch(player_) {
case 0:
target = board_->get(next_x, next_y+1);
break;
case 1:
target = board_->get(next_x, next_y-1);
break;
}
/**
Pawn *pawn = dynamic_cast<Pawn*>(board_->getLastMoved());
if(pawn && pawn->isJump() && pawn == target) {
possible_move_.push_back(pair<int,int>(next_x,next_y));
}
/**/
}
}
switch(player_) {
case 0:
next_x = x-1;
next_y = y-1;
break;
case 1:
next_x = x+1;
next_y = y+1;
break;
}
if(board_->isInBounds(next_x, next_y)) {
Man *target = board_->get(next_x, next_y);
if(target) {
if(target->getSide() != getSide()) {
possible_move_.push_back(pair<int,int>(next_x,next_y));
}
}
else {
switch(player_) {
case 0:
target = board_->get(next_x, next_y+1);
break;
case 1:
target = board_->get(next_x, next_y-1);
break;
}
/**
Pawn *pawn = dynamic_cast<Pawn*>(board_->getLastMoved());
if(pawn && pawn->isJump() && pawn == target) {
possible_move_.push_back(pair<int,int>(next_x,next_y));
}
/**/
}
}
}
}