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add join group logic to Point, triggered by Game.makeMove

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This commit is contained in:
Sorrel Bri 2020-04-22 23:17:46 -07:00
parent b1f29f3d2d
commit e553601af7
2 changed files with 143 additions and 67 deletions
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46
packages/server/services/Game.v2.js
View file

@ -95,8 +95,9 @@ const getNeighbors = boardSize => (point, i, boardState) => {
return point; return point;
} }
const initBoard = ({ boardSize, handicap }) => { const initBoard = (game) => {
const boardState = {}; const boardState = {};
const { boardSize, handicap } = game;
for (let i = 0; i < Math.pow(boardSize, 2); i++) { for (let i = 0; i < Math.pow(boardSize, 2); i++) {
const point = Point({ const point = Point({
x: Math.floor(i / boardSize) + 1, x: Math.floor(i / boardSize) + 1,
@ -107,8 +108,9 @@ const initBoard = ({ boardSize, handicap }) => {
} }
if (handicap) { if (handicap) {
HANDI_PLACE[boardSize][handicap].forEach(pt => { HANDI_PLACE[boardSize][handicap].forEach(pt => {
boardState[pt].stone = 1; boardState[pt].makeMove(game);
}); });
game.turn *= -1;
} }
const boardStateWithNeighbors = pipeMap(getNeighbors(boardSize))(boardState) const boardStateWithNeighbors = pipeMap(getNeighbors(boardSize))(boardState)
return boardStateWithNeighbors; return boardStateWithNeighbors;
@ -135,9 +137,8 @@ const Game = ({gameData = {}, gameRecord = []} = {}) => ({
initGame: function() { initGame: function() {
this.winner = null; this.winner = null;
this.pass = 0; this.pass = 0;
this.turn = this.handicap ? -1 : 1; this.turn = 1;
this.boardState = initBoard({ boardSize: this.boardSize, handicap: this.handicap}) this.boardState = initBoard(this)
// return this.boardState
return { ...this, legalMoves: getBoardState(this)}; return { ...this, legalMoves: getBoardState(this)};
}, },
@ -152,12 +153,18 @@ const Game = ({gameData = {}, gameRecord = []} = {}) => ({
|| ( this.turn === -1 && player === 'white' ); || ( this.turn === -1 && player === 'white' );
if (isTurn) { if (isTurn) {
if (point.legal) { if (point.legal) {
point.makeMove(this.turn); point.makeMove(this);
this.turn *= -1; this.turn *= -1;
success = true; success = true;
} }
} }
return {...this, legalMoves: getBoardState(this), success }; return {...this, legalMoves: getBoardState(this), success };
},
initGroup: function(point) {
const newSymbol = Symbol(`${point.pos.x}-${point.pos.y}`);
this.groups[newSymbol] = new Set();
return newSymbol;
} }
}); });
@ -167,7 +174,7 @@ const Point = ({x, y, boardSize = 19}) => ({
legal: true, legal: true,
territory: 0, territory: 0,
capturing: [], capturing: [],
groupMembers: [ this ], group: null,
neighbors: { neighbors: {
top: x > 1 ? `${ x - 1 }-${ y }` : null, top: x > 1 ? `${ x - 1 }-${ y }` : null,
btm: x < boardSize ? `${ x + 1 }-${ y }` : null, btm: x < boardSize ? `${ x + 1 }-${ y }` : null,
@ -175,9 +182,30 @@ const Point = ({x, y, boardSize = 19}) => ({
lft: y > 1 ? `${ x }-${ y - 1 }` : null lft: y > 1 ? `${ x }-${ y - 1 }` : null
}, },
makeMove: function(turn) { makeMove: function(game) {
this.stone = turn; this.stone = game.turn;
this.legal = false; this.legal = false;
return this.joinGroup({ point: this, game });
},
joinGroup: function({ point, game }) {
if (point.group !== this.group || !point.group) {
// if point has no group set current group to new Symbol in game object
if (!point.group) {
point.group = game.initGroup(point);
}
// add current point to global group
game.groups[point.group].add(this);
this.group = point.group;
for (let neighbor of Object.values(this.neighbors)) {
if (neighbor.stone === this.stone
&& neighbor.group !== this.group) {
neighbor.joinGroup({ point: this, game });
}
}
}
} }
}); });

164
packages/server/test/Game.v2.spec.js
View file

@ -32,14 +32,14 @@ describe('Game', () => {
describe('Game().initGame() returns boardState', () => { describe('Game().initGame() returns boardState', () => {
it('initGame() returns default 19x19', done => { it('initGame() returns default 19x19', done => {
Game().initGame().legalMoves Game().initGame()
.should.eql(emptyBoard); .legalMoves.should.eql(emptyBoard);
done(); done();
}); });
it('initGame() with 2 handicap returns legalMoves with stones', done => { it('initGame() with 2 handicap returns legalMoves with stones', done => {
Game({gameData: { handicap: 2 }}).initGame().legalMoves Game({gameData: { handicap: 2 }}).initGame()
.should.eql({...emptyBoard, '4-16': 1, '16-4': 1}); .legalMoves.should.eql({...emptyBoard, '4-16': 1, '16-4': 1});
done(); done();
}); });
@ -65,88 +65,136 @@ describe('Game().initGame() returns boardState', () => {
}); });
it('initGame( 19x19 ) with all levels of handicap returns legalMoves with stones', done => { it('initGame( 19x19 ) with all levels of handicap returns legalMoves with stones', done => {
Game({gameData: { boardSize: 19, handicap: 2 }}).initGame().legalMoves Game({gameData: { boardSize: 19, handicap: 2 }}).initGame()
.should.eql({...emptyBoard, '4-16': 1, '16-4': 1 }); .legalMoves.should.eql({...emptyBoard, '4-16': 1, '16-4': 1 });
Game({gameData: { boardSize: 19, handicap: 3 }}).initGame().legalMoves Game({gameData: { boardSize: 19, handicap: 3 }}).initGame()
.should.eql({...emptyBoard, '16-16': 1, '4-16': 1, '16-4': 1 }); .legalMoves.should.eql({...emptyBoard, '16-16': 1, '4-16': 1, '16-4': 1 });
Game({gameData: { boardSize: 19, handicap: 4 }}).initGame().legalMoves Game({gameData: { boardSize: 19, handicap: 4 }}).initGame()
.should.eql({...emptyBoard, '4-4': 1, '16-16': 1, '4-16': 1, '16-4': 1 }); .legalMoves.should.eql({...emptyBoard, '4-4': 1, '16-16': 1, '4-16': 1, '16-4': 1 });
Game({gameData: { boardSize: 19, handicap: 5 }}).initGame().legalMoves Game({gameData: { boardSize: 19, handicap: 5 }}).initGame()
.should.eql({...emptyBoard, '10-10': 1, '4-4': 1, '16-16': 1, '4-16': 1, '16-4': 1 }); .legalMoves.should.eql({...emptyBoard, '10-10': 1, '4-4': 1, '16-16': 1, '4-16': 1, '16-4': 1 });
Game({gameData: { boardSize: 19, handicap: 6 }}).initGame().legalMoves Game({gameData: { boardSize: 19, handicap: 6 }}).initGame()
.should.eql({...emptyBoard, '10-4': 1, '4-10': 1, '4-4': 1, '16-16': 1, '4-16': 1, '16-4': 1 }); .legalMoves.should.eql({...emptyBoard, '10-4': 1, '4-10': 1, '4-4': 1, '16-16': 1, '4-16': 1, '16-4': 1 });
Game({gameData: { boardSize: 19, handicap: 7 }}).initGame().legalMoves Game({gameData: { boardSize: 19, handicap: 7 }}).initGame()
.should.eql({...emptyBoard, '10-10': 1, '10-4': 1, '4-10': 1, '4-4': 1, '16-16': 1, '4-16': 1, '16-4': 1 }); .legalMoves.should.eql({...emptyBoard, '10-10': 1, '10-4': 1, '4-10': 1, '4-4': 1, '16-16': 1, '4-16': 1, '16-4': 1 });
Game({gameData: { boardSize: 19, handicap: 8 }}).initGame().legalMoves Game({gameData: { boardSize: 19, handicap: 8 }}).initGame()
.should.eql({...emptyBoard, '16-10': 1, '10-4': 1, '10-16': 1, '4-10': 1, '4-4': 1, '16-16': 1, '4-16': 1, '16-4': 1 }); .legalMoves.should.eql({...emptyBoard, '16-10': 1, '10-4': 1, '10-16': 1, '4-10': 1, '4-4': 1, '16-16': 1, '4-16': 1, '16-4': 1 });
Game({gameData: { boardSize: 19, handicap: 9 }}).initGame().legalMoves Game({gameData: { boardSize: 19, handicap: 9 }}).initGame()
.should.eql({...emptyBoard, '10-10': 1, '16-10': 1, '10-4': 1, '10-16': 1, '4-10': 1, '4-4': 1, '16-16': 1, '4-16': 1, '16-4': 1 }); .legalMoves.should.eql({...emptyBoard, '10-10': 1, '16-10': 1, '10-4': 1, '10-16': 1, '4-10': 1, '4-4': 1, '16-16': 1, '4-16': 1, '16-4': 1 });
done(); done();
}) })
it('initGame( 13x13) returns legalMoves', done => { it('initGame( 13x13) returns legalMoves', done => {
Game({gameData: { boardSize: 13 }}).initGame().legalMoves Game({gameData: { boardSize: 13 }}).initGame()
.should.eql(emptyBoard13); .legalMoves.should.eql(emptyBoard13);
done(); done();
}); });
it('initGame( 13x13 ) with all levels of handicap returns legalMoves with stones', done => { it('initGame( 13x13 ) with all levels of handicap returns legalMoves with stones', done => {
Game({gameData: { boardSize: 13, handicap: 2 }}).initGame().legalMoves Game({gameData: { boardSize: 13, handicap: 2 }}).initGame()
.should.eql({...emptyBoard13, '4-10': 1, '10-4': 1 }); .legalMoves.should.eql({...emptyBoard13, '4-10': 1, '10-4': 1 });
Game({gameData: { boardSize: 13, handicap: 3 }}).initGame().legalMoves Game({gameData: { boardSize: 13, handicap: 3 }}).initGame()
.should.eql({...emptyBoard13, '10-10': 1, '4-10': 1, '10-4': 1 }); .legalMoves.should.eql({...emptyBoard13, '10-10': 1, '4-10': 1, '10-4': 1 });
Game({gameData: { boardSize: 13, handicap: 4 }}).initGame().legalMoves Game({gameData: { boardSize: 13, handicap: 4 }}).initGame()
.should.eql({...emptyBoard13, '4-4': 1, '10-10': 1, '4-10': 1, '10-4': 1 }); .legalMoves.should.eql({...emptyBoard13, '4-4': 1, '10-10': 1, '4-10': 1, '10-4': 1 });
Game({gameData: { boardSize: 13, handicap: 5 }}).initGame().legalMoves Game({gameData: { boardSize: 13, handicap: 5 }}).initGame()
.should.eql({...emptyBoard13, '7-7': 1, '4-4': 1, '10-10': 1, '4-10': 1, '10-4': 1 }); .legalMoves.should.eql({...emptyBoard13, '7-7': 1, '4-4': 1, '10-10': 1, '4-10': 1, '10-4': 1 });
Game({gameData: { boardSize: 13, handicap: 6 }}).initGame().legalMoves Game({gameData: { boardSize: 13, handicap: 6 }}).initGame()
.should.eql({...emptyBoard13, '7-4': 1, '4-7': 1, '4-4': 1, '10-10': 1, '4-10': 1, '10-4': 1 }); .legalMoves.should.eql({...emptyBoard13, '7-4': 1, '4-7': 1, '4-4': 1, '10-10': 1, '4-10': 1, '10-4': 1 });
Game({gameData: { boardSize: 13, handicap: 7 }}).initGame().legalMoves Game({gameData: { boardSize: 13, handicap: 7 }}).initGame()
.should.eql({...emptyBoard13, '7-7': 1, '7-4': 1, '4-7': 1, '4-4': 1, '10-10': 1, '4-10': 1, '10-4': 1 }); .legalMoves.should.eql({...emptyBoard13, '7-7': 1, '7-4': 1, '4-7': 1, '4-4': 1, '10-10': 1, '4-10': 1, '10-4': 1 });
Game({gameData: { boardSize: 13, handicap: 8 }}).initGame().legalMoves Game({gameData: { boardSize: 13, handicap: 8 }}).initGame()
.should.eql({...emptyBoard13, '10-7': 1, '7-4': 1, '7-10': 1, '4-7': 1, '4-4': 1, '10-10': 1, '4-10': 1, '10-4': 1 }); .legalMoves.should.eql({...emptyBoard13, '10-7': 1, '7-4': 1, '7-10': 1, '4-7': 1, '4-4': 1, '10-10': 1, '4-10': 1, '10-4': 1 });
Game({gameData: { boardSize: 13, handicap: 9 }}).initGame().legalMoves Game({gameData: { boardSize: 13, handicap: 9 }}).initGame()
.should.eql({...emptyBoard13, '7-7': 1, '10-7': 1, '7-4': 1, '7-10': 1, '4-7': 1, '4-4': 1, '10-10': 1, '4-10': 1, '10-4': 1 }); .legalMoves.should.eql({...emptyBoard13, '7-7': 1, '10-7': 1, '7-4': 1, '7-10': 1, '4-7': 1, '4-4': 1, '10-10': 1, '4-10': 1, '10-4': 1 });
done(); done();
}); });
it('initGame( 9x9 ) returns legalMoves', done => { it('initGame( 9x9 ) returns legalMoves', done => {
Game({gameData: { boardSize: 9 }}).initGame().legalMoves Game({gameData: { boardSize: 9 }}).initGame()
.should.eql(emptyBoard9); .legalMoves.should.eql(emptyBoard9);
done(); done();
}); });
it('initGame( 9x9 ) with all levels of handicap returns legalMoves with stones', done => { it('initGame( 9x9 ) with all levels of handicap returns legalMoves with stones', done => {
Game({gameData: { boardSize: 9, handicap: 2 }}).initGame().legalMoves Game({gameData: { boardSize: 9, handicap: 2 }}).initGame()
.should.eql({...emptyBoard9, '3-7': 1, '7-3': 1 }); .legalMoves.should.eql({...emptyBoard9, '3-7': 1, '7-3': 1 });
Game({gameData: { boardSize: 9, handicap: 3 }}).initGame().legalMoves Game({gameData: { boardSize: 9, handicap: 3 }}).initGame()
.should.eql({...emptyBoard9, '7-7': 1, '3-7': 1, '7-3': 1 }); .legalMoves.should.eql({...emptyBoard9, '7-7': 1, '3-7': 1, '7-3': 1 });
Game({gameData: { boardSize: 9, handicap: 4 }}).initGame().legalMoves Game({gameData: { boardSize: 9, handicap: 4 }}).initGame()
.should.eql({...emptyBoard9, '3-3': 1, '7-7': 1, '3-7': 1, '7-3': 1 }); .legalMoves.should.eql({...emptyBoard9, '3-3': 1, '7-7': 1, '3-7': 1, '7-3': 1 });
done(); done();
}); });
}); });
describe('Game.makeMove({ player: str, pos: { x: int, y: int } })', () => { describe('Game.makeMove({ player: str, pos: { x: int, y: int } })', () => {
it('place move returns game object with proper board', done => { it('makeMove returns game object with proper board', done => {
Game().initGame().makeMove({ player: 'black', pos: { x: 4, y: 4 } }).legalMoves Game().initGame().makeMove({ player: 'black', pos: { x: 4, y: 4 } })
.should.eql({ ...emptyBoard, '4-4': 1 }); .legalMoves.should.eql({ ...emptyBoard, '4-4': 1 });
Game({ gameData: { handicap: 2 } }).initGame().makeMove({ player: 'white', pos: { x: 4, y: 4 } }).legalMoves Game({ gameData: { handicap: 2 } }).initGame().makeMove({ player: 'white', pos: { x: 4, y: 4 } })
.should.eql({ ...emptyBoard, '4-16': 1, '16-4': 1, '4-4': -1 }); .legalMoves.should.eql({ ...emptyBoard, '4-16': 1, '16-4': 1, '4-4': -1 });
done(); done();
}); });
it('make move returns success: false with move out of turn', done => { it('makeMove returns success: false with move out of turn', done => {
Game().initGame().makeMove({ player: 'white', pos: { x: 4, y: 4 } }).success Game().initGame().makeMove({ player: 'white', pos: { x: 4, y: 4 } })
.should.eql(false); .success.should.eql(false);
Game({ gameData: { handicap: 2 } }).initGame().makeMove({ player: 'black', pos: { x: 4, y: 4 } }).success Game({ gameData: { handicap: 2 } }).initGame().makeMove({ player: 'black', pos: { x: 4, y: 4 } })
.should.eql(false); .success.should.eql(false);
done(); done();
}); });
it('makeMove returns success: false when move is at occupied point', done => {
Game({ gameData: { handicap: 2 } }).initGame().makeMove({ player: 'white', pos: { x: 4, y: 16 } })
.success.should.eql(false);
done();
});
it('makeMove next to adjacent stone of the same color joins stones as a group', done => {
const game = Game({ gameData: { handicap: 2 } }).initGame() // 4 3 4
.makeMove({ player: 'white', pos: { x: 4, y: 4 } }) // 14 1 4 -1 -1
.makeMove({ player: 'black', pos: { x: 4, y: 15 }}) // 15 1 5 -1
.makeMove({ player: 'white', pos: { x: 3, y: 4 } }) // 16 1h
.makeMove({ player: 'black', pos: { x: 4, y: 14 }})
.makeMove({ player: 'white', pos: { x: 4, y: 5 }})
const blackGroup = game.boardState['4-14'].group;
game.groups[blackGroup].has(game.boardState['4-14']).should.eql(true);
game.groups[blackGroup].has(game.boardState['4-15']).should.eql(true);
game.groups[blackGroup].has(game.boardState['4-16']).should.eql(true);
const whiteGroup = game.boardState['4-4'].group;
game.groups[whiteGroup].has(game.boardState['4-4']).should.eql(true);
game.groups[whiteGroup].has(game.boardState['3-4']).should.eql(true);
game.groups[whiteGroup].has(game.boardState['4-5']).should.eql(true);
done();
});
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 hoshiGroup = game.boardState['4-16'].group;
game.groups[hoshiGroup].has(game.boardState['4-16']).should.eql(true);
game.groups[hoshiGroup].has(game.boardState['4-15']).should.eql(false);
game.groups[hoshiGroup].has(game.boardState['3-14']).should.eql(false);
game.groups[hoshiGroup].has(game.boardState['3-15']).should.eql(false);
done();
})
// it('makeMove returns success: false when move is made in point with no liberties', done => {
// Game({ gameData: { handicap: 2 } }).initGame()
// .makeMove({ player: 'white', pos: { x: 4, y: 4 } }).makeMove({ player: 'black', pos: { x: 6, y: 16 } })
// .makeMove({ player: 'white', pos: { x: 16, y: 16 }}).makeMove({ player: 'black', pos: { x: 5, y: 15 } })
// .makeMove({ player: 'white', pos: { x: 16, y: 10 }}).makeMove({ player: 'black', pos: { x: 5, y: 17 } })
// .makeMove({ player: 'white', pos: { x: 5, y: 16 }})
// .success.should.eql(false);
// done();
// })
}); });
// describe('Point.joinGroup() ')
const initialMeta = { const initialMeta = {
winner: null, winner: null,
turn: 0, turn: 0,