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added possibility to make moves from string (with tests)

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This commit is contained in:
Karma Riuk 2025-02-16 12:44:58 +01:00
parent ecba8e3c6e
commit ebf5934909
3 changed files with 43 additions and 0 deletions
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28
src/model/utils/move.cpp
View File

@ -24,3 +24,31 @@ int Move::score_guess(const Board& b) const {
return ret;
}
Move Move::from_string(std::string move) {
if (!(4 <= move.size() && move.size() <= 5))
throw std::invalid_argument("Move must be 4 or 5 characters long");
Move ret;
ret.source_square = Coords::from_algebraic(move.substr(0, 2)).to_index();
ret.target_square = Coords::from_algebraic(move.substr(2, 2)).to_index();
if (move.size() == 5)
switch (move[4]) {
case 'n':
ret.promoting_to = Knigt;
break;
case 'b':
ret.promoting_to = Bishop;
break;
case 'r':
ret.promoting_to = Rook;
break;
case 'q':
ret.promoting_to = Queen;
break;
default:
throw std::invalid_argument("Promotion piece must be one of 'nbrq'"
);
}
ret.target_square = Coords::from_algebraic(move.substr(2, 2)).to_index();
return ret;
}

2
src/model/utils/move.hpp
View File

@ -15,6 +15,8 @@ struct Move {
int score_guess(const Board&) const;
static Move from_string(std::string);
std::string to_string() const {
std::stringstream ss;
ss << Coords::from_index(source_square)

13
tests/move.cpp Normal file
View File

@ -0,0 +1,13 @@
#include "../src/model/board/board.hpp"
#include "lib.hpp"
int main() {
std::string str_move = "a2a3";
ASSERT_EQUALS(str_move, Move::from_string(str_move).to_string());
str_move = "b2f4";
ASSERT_EQUALS(str_move, Move::from_string(str_move).to_string());
str_move = "a2a1r";
ASSERT_EQUALS(str_move, Move::from_string(str_move).to_string());
}