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SubPiece.cpp
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218 lines (172 loc) · 5.65 KB
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#include"SubPiece.h"
int Pawn::checkLogic(int d_rank, int d_file, bool verbose) {
if (this->colour == "White") {
if (d_file >= (this->file - 1) && d_file <= (this->file + 1)) {
if (d_rank == this->rank + 1) {
return 0;
} else if (this->first_move && d_rank == (this->rank + 2) && d_file == this->file) {
return 0;
} else {
return 1;
}
} else {
return 1;
}
} else {
if (d_file >= this->file - 1 && d_file <= this->file + 1) {
if (d_rank == this->rank - 1) {
return 0;
} else if (this->first_move && d_rank == this->rank - 2 && d_file == this->file) {
return 0;
} else {
return 1;
}
} else {
return 1;
}
}
return 0;
};
int Pawn::checkContext(Piece* board_ref[8][8], int d_rank, int d_file, bool verbose) {
if (d_file == this->file) { //moving straight
if (board_ref[d_rank][d_file] != NULL) {
if (verbose) {
cout << "Pawns cannot take pieces moving forward" << endl;
}
return 1;
}
int v_direction = (this->colour == "White") ? 1 : -1;
if (abs(d_rank - this->rank) == 2 && board_ref[this->rank + v_direction][d_file] != NULL) {
if (verbose) {
cout << "A piece is blocking this " << this->name << " from moving here!" << endl;
}
return 1;
}
} else { //moving diagonal
if (board_ref[d_rank][d_file] == NULL) {
if (verbose) {
cout << "Can only move diagonally to take a piece!" << endl;
}
return 1;
}
}
return 0;
};
int Knight::checkLogic(int d_rank, int d_file, bool verbose) {
if (checkDiagonal(d_rank, d_file) == 0 || checkVertical(d_rank, d_file) == 0 ||
checkHorizontal(d_rank, d_file) == 0) {
return 1;
}
if (abs(this->rank - d_rank) > 2 || abs(this->file - d_file) > 2) {
return 1;
}
return 0;
};
int Knight::checkContext(Piece* board_ref[8][8], int d_rank, int d_file, bool verbose) {
return 0;
};
int King::checkLogic(int d_rank, int d_file, bool verbose) {
if (checkDiagonal(d_rank, d_file, true) == 0 || checkVertical(d_rank, d_file, true) == 0 ||
checkHorizontal(d_rank, d_file, true) == 0) {
return 0;
}
return 1;
};
int King::checkContext(Piece* board_ref[8][8], int d_rank, int d_file, bool verbose) {
return 0;
};
int Rook::checkLogic(int d_rank, int d_file, bool verbose) {
if (checkVertical(d_rank, d_file) > 0 && checkHorizontal(d_rank, d_file) > 0) {
return 1;
}
return 0;
};
int Rook::checkContext(Piece* board_ref[8][8], int d_rank, int d_file, bool verbose) {
if (d_rank == this->rank) { //moving horizontally
int h_direction = (d_file - this->file > 0) ? 1 : -1;
for (int move = this->file + h_direction ; move != d_file ; move += h_direction) {
if (board_ref[this->rank][move] != NULL) {
if (verbose) {
cout << "A piece is blocking this " << this->name << " from moving here!" << endl;
}
return 1;
}
}
} else { //moving vertically
int v_direction = (d_rank - this->rank > 0) ? 1 : -1;
for (int move = this->rank + v_direction ; move != d_rank ; move += v_direction) {
if (board_ref[move][this->file] != NULL) {
if (verbose) {
cout << "A piece is blocking this " << this->name << " from moving here!" << endl;
}
return 1;
}
}
}
return 0;
};
int Bishop::checkLogic(int d_rank, int d_file, bool verbose) {
if (checkDiagonal(d_rank, d_file) > 0) {
return 1;
}
return 0;
};
int Bishop::checkContext(Piece* board_ref[8][8], int d_rank, int d_file, bool verbose) {
int h_direction = (d_file - this->file > 0) ? 1 : -1;
int v_direction = (d_rank - this->rank > 0) ? 1 : -1;
int start_rank = this->rank + v_direction;
for (int move = this->file + h_direction ; move != d_file ; move += h_direction) {
if (board_ref[start_rank][move] != NULL) {
if (verbose) {
cout << "A piece is blocking this " << this->name << " from moving here!" << endl;
}
return 1;
}
start_rank += v_direction;
}
return 0;
};
int Queen::checkLogic(int d_rank, int d_file, bool verbose) {
if (checkVertical(d_rank, d_file) > 0 && checkHorizontal(d_rank, d_file) > 0 &&
checkDiagonal(d_rank, d_file) > 0) {
return 1;
}
return 0;
};
int Queen::checkContext(Piece* board_ref[8][8], int d_rank, int d_file, bool verbose) {
if (d_rank == this->rank) { //moving horizontally
int h_direction = (d_file - this->file > 0) ? 1 : -1;
for (int move = this->file + h_direction ; move != d_file ; move += h_direction) {
if (board_ref[this->rank][move] != NULL) {
if (verbose) {
cout << "A piece is blocking this " << this->name << " from moving here!" << endl;
}
return 1;
}
}
} else if (d_file == this->file ){ //moving vertically
int v_direction = (d_rank - this->rank > 0) ? 1 : -1;
for (int move = this->rank + v_direction ; move != d_rank ; move += v_direction) {
if (board_ref[move][this->file] != NULL) {
if (verbose) {
cout << "A piece is blocking this " << this->name << " from moving here!" << endl;
}
return 1;
}
}
} else {
int h_direction = (d_file - this->file > 0) ? 1 : -1;
int v_direction = (d_rank - this->rank > 0) ? 1 : -1;
int start_rank = this->rank + v_direction;
for (int move = this->file + h_direction ; move != d_file ; move += h_direction) {
if (board_ref[start_rank][move] != NULL) {
if (verbose) {
cout << "A piece is blocking this " << this->name << " from moving here!" << endl;
}
return 1;
}
start_rank += v_direction;
}
}
return 0;
};