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add support for group joining moves at points with no liberties

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This commit is contained in:
Sorrel Bri 2020-04-26 00:13:25 -07:00
parent 4a90b933a7
commit 9164ee5987
2 changed files with 60 additions and 11 deletions
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18
packages/server/services/Game.v2.js
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@ -74,16 +74,26 @@ const checkLegal = ({ point, Game }) => {
point.legal = legal;
return point;
}
const isEmptyAdjacent = Object.values(point.neighbors).filter(pt => pt.stone === 0)[0]
// .length;
const isEmptyAdjacent = Object.values(point.neighbors).filter(pt => pt.stone === 0).length;
// if empty point adjacent return true
if (!isEmptyAdjacent) {
// if group has liberties return true
const isTurnStone = neighbor => neighbor.stone === Game.turn;
const getGroupLiberties = point => Array.from(Game.groups[point.group].liberties);
const isInGroupWithLiberties = neighbor => getGroupLiberties(neighbor).filter(({ pos }) => pos.x !== point.pos.x && pos.y !== point.pos.y );
const isInLiveGroup = () => Object.values(point.neighbors).filter(isTurnStone).filter(isInGroupWithLiberties).length;
if (isInLiveGroup()) {
point.legal = true;
return point;
}
point.legal = legal;
return { ...point, adj: isEmptyAdjacent };
// TODO change to positive check with legal: true after remaining logic has been added
}
// if group has liberties return true
// if move would capture opposing group
// set capturing object and return true
point.legal = !point.stone ? true : false;

53
packages/server/test/Game.v2.spec.js
View file

@ -172,11 +172,11 @@ describe('Game.makeMove({ player: str, pos: { x: int, y: int } })', () => {
});
it('makeMove next to adjacent stone of different color does not join stones as a group', done => {
const game = Game({ gameData: { handicap: 2 } }).initGame() // 3 4
.makeMove({ player: 'white', pos: { x: 4, y: 15 } }) // 14 1
.makeMove({ player: 'black', pos: { x: 4, y: 14 }}) // 15 1 -1 no groups
.makeMove({ player: 'white', pos: { x: 3, y: 16 } }) // 16 -1 1h
.makeMove({ player: 'black', pos: { x: 3, y: 15 }})
const game = Game({ gameData: { handicap: 2 } }).initGame() // 3 4
.makeMove({ player: 'white', pos: { x: 4, y: 15 } }) // 14 1
.makeMove({ player: 'black', pos: { x: 4, y: 14 }}) // 15 1 -1 no groups
.makeMove({ player: 'white', pos: { x: 3, y: 16 } }) // 16 -1 1h
.makeMove({ player: 'black', pos: { x: 3, y: 15 }})
const hoshiGroupKey = game.boardState['4-16'].group;
const hoshiGroup = game.groups[hoshiGroupKey].stones;
@ -194,11 +194,50 @@ describe('Game.makeMove({ player: str, pos: { x: int, y: int } })', () => {
.makeMove({ player: 'white', pos: { x: 16, y: 10 }}).makeMove({ player: 'black', pos: { x: 5, y: 17 } }) // 6 1
.makeMove({ player: 'white', pos: { x: 5, y: 16 }})
.success.should.eql(false);
done();
})
});
});
describe('makeMove group join and capture logic', () => {
const joinGame = Game().initGame()
.makeMove({ player: 'black', pos: { x: 4, y: 17 } }) // 3 4 5
.makeMove({ player: 'white', pos: { x: 3, y: 16 } }) // 15 -1
.makeMove({ player: 'black', pos: { x: 5, y: 16 } }) // 16 -1 1 1
.makeMove({ player: 'white', pos: { x: 4, y: 15 } }) // 17 1
.makeMove({ player: 'black', pos: { x: 4, y: 16 } });
it('gain liberties from group smoke test', done => {
joinGame.success.should.eql(true); // to work after
done();
});
// test group with only remaining liberty at point to be played
// const captureGame = Game({ gameData: { handicap: 2 } }).initGame()
// .makeMove({ player: 'white', pos: { x: 4, y: 15 } }) // 3 4 5
// .makeMove({ player: 'black', pos: { x: 4, y: 4 } }) // 15 -1
// .makeMove({ player: 'white', pos: { x: 3, y: 16 } }) // 16 -1 0 -1
// .makeMove({ player: 'black', pos: { x: 4, y: 10 } }) // 17 -1
// .makeMove({ player: 'white', pos: { x: 5, y: 16 } }) // 4,16 captured
// .makeMove({ player: 'black', pos: { x: 10, y: 4 } })
// .makeMove({ player: 'white', pos: { x: 4, y: 17 } })
// it('makeMove capture smoke test', done => {
// captureGame.success.should.eql(true);
// done();
// });
// it('makeMove capture removes captured stone', done => {
// captureGame.boardState['4-16'].stone.should.eql(0);
// done();
// });
// it('makeMove capture increases capturing players captures', done => {
// captureGame.playerState.wCaptures.should.eql(1);
// })
})
const initialMeta = {
winner: null,
turn: 0,