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feat: Add kings to game system

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This commit is contained in:
overflowerror 2023-12-30 14:34:54 +01:00
parent c74f53fce4
commit e10776dc0b
2 changed files with 128 additions and 0 deletions
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35
src/Game/King.php Normal file
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<?php
namespace Game;
class King extends Piece {
public function getName(): string {
return "King";
}
public function getShort(): string {
return "K";
}
public function getMoveCandidateMap(FieldBitMap $occupied, FieldBitMap $captureable, FieldBitMap $threatened): FieldBitMap {
$result = FieldBitMap::empty();
$checkCandidate = function(Position $position) use (&$result, $occupied, $captureable, $threatened) {
if ($position->isValid() && !$occupied->has($position) && !$threatened->has($position)) {
$result->add($position);
}
};
$checkCandidate(new Position($this->position->file - 1, $this->position->rank - 1));
$checkCandidate(new Position($this->position->file - 1, $this->position->rank + 0));
$checkCandidate(new Position($this->position->file - 1, $this->position->rank + 1));
$checkCandidate(new Position($this->position->file + 0, $this->position->rank - 1));
$checkCandidate(new Position($this->position->file + 0, $this->position->rank + 1));
$checkCandidate(new Position($this->position->file + 1, $this->position->rank - 1));
$checkCandidate(new Position($this->position->file + 1, $this->position->rank + 0));
$checkCandidate(new Position($this->position->file + 1, $this->position->rank + 1));
return $result;
}
}

93
tests/Game/KingTest.php Normal file
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<?php
declare(strict_types=1);
namespace Game;
use PHPUnit\Framework\TestCase;
final class KingTest extends TestCase {
public function testMoves_unobstructed() {
$subject = new King(new Position(
3, 4
), Side::WHITE);
$result = $subject->getMoveCandidateMap(FieldBitMap::empty(), FieldBitMap::empty(), FieldBitMap::empty());
$this->assertTrue(
$result->equals(new FieldBitMap([
new Position(2, 3),
new Position(2, 4),
new Position(2, 5),
new Position(3, 3),
new Position(3, 5),
new Position(4, 3),
new Position(4, 4),
new Position(4, 5),
]))
);
}
public function testMoves_obstructed() {
$subject = new King(new Position(
3, 0
), Side::WHITE);
$result = $subject->getMoveCandidateMap(
new FieldBitMap([
new Position(3, 1),
]),
new FieldBitMap([
new Position(2, 1),
]),
new FieldBitMap([
new Position(2, 0),
]),
);
$this->assertTrue(
$result->equals(new FieldBitMap([
new Position(2, 1),
new Position(4, 1),
new Position(4, 0),
]))
);
}
public function testCaptureable() {
$subject = new King(
new Position(5, 6),
Side::WHITE,
);
$this->assertTrue(
$subject->getCaptureableMap(true)->equals(new FieldBitMap([
new Position(5, 6)
]))
);
}
public function testCaptureMap() {
$subject = new King(new Position(
5, 2
), Side::WHITE);
$result = $subject->getCaptureMap(
new FieldBitMap([
new Position(4, 3),
new Position(4, 1),
new Position(6, 3),
new Position(6, 1),
])
);
$this->assertTrue(
$result->equals(new FieldBitMap([
new Position(5, 1),
new Position(5, 3),
new Position(4, 2),
new Position(6, 2),
]))
);
}
}