72 lines
1.8 KiB
C++
72 lines
1.8 KiB
C++
/*
|
|
* File: Piece.cpp
|
|
* Author: amr
|
|
*
|
|
* Created on July 30, 2025, 9:21 PM
|
|
*/
|
|
|
|
#include "Piece.hpp"
|
|
|
|
Piece::~Piece() {
|
|
return;
|
|
}
|
|
|
|
// because the Piece class is instantiated in another class using
|
|
// unique_ptr, non-pure virtual functions apparently *must*
|
|
// have definitions, or the linker freaks out
|
|
// so this is just a stub that does nothing. it doesn't matter
|
|
// because only the derived class versions should be called.
|
|
|
|
std::vector<Move> Piece::getLegalMoves(const Square &from, const Board &board) const {
|
|
std::vector<Move> moveList;
|
|
return moveList;
|
|
}
|
|
|
|
std::vector<Move> King::getLegalMoves(const Square &from, const Board &board) const {
|
|
std::vector<Move> moveList;
|
|
const int directions[8][2] = {
|
|
{-1, 0}, // Up
|
|
{-1, -1}, // up-left
|
|
{-1, 1}, // up-right
|
|
{1, 0}, // Down
|
|
{1, -1}, // down-left
|
|
{1, 1}, // down-right
|
|
{0, -1}, // Left
|
|
{0, 1} // Right
|
|
};
|
|
|
|
}
|
|
|
|
std::vector<Move> Rook::getLegalMoves(const Square &from, const Board &board) const {
|
|
std::vector<Move> moveList;
|
|
const int directions[4][2] = {
|
|
{-1, 0}, // Up
|
|
{1, 0}, // Down
|
|
{0, -1}, // Left
|
|
{0, 1} // Right
|
|
};
|
|
for (auto& dir : directions) {
|
|
int r = from.rank + dir[0];
|
|
int f = from.file + dir[1];
|
|
|
|
while (r >= 0 && r < 8 && f >= 0 && f < 8) {
|
|
const auto& target = board[r][f];
|
|
|
|
if (!target) {
|
|
moves.push_back({from,
|
|
{r, f}});
|
|
} else if (target->color != this->color) {
|
|
moves.push_back({from,
|
|
{r, f}});
|
|
break;
|
|
} else {
|
|
break;
|
|
}
|
|
|
|
r += dir[0];
|
|
f += dir[1];
|
|
}
|
|
}
|
|
|
|
return moveList;
|
|
}
|