add ko check to makeCaptures
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9646656f7a
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2 changed files with 44 additions and 13 deletions
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@ -164,6 +164,7 @@ const Game = ({gameData = {}, gameRecord = []} = {}) => ({
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boardSize: gameData.boardSize || 19,
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groups: {},
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boardState: {},
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ko: [],
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gameRecord: gameRecord,
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playerState: gameData.playerState || {
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bCaptures: 0,
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@ -216,7 +217,8 @@ const Point = ({x, y, boardSize = 19}) => {
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let point = {
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pos: {x, y},
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key: `${x}-${y}`,
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stone: 0, // can be 1, -1, 0, or 'k' for ko
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stone: 0, // can be 1, -1, 0,
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ko: false,
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legal: true,
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territory: 0,
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capturing: {
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@ -311,7 +313,14 @@ const Point = ({x, y, boardSize = 19}) => {
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const capturesSet = game.groups[captureGroup].stones;
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for (let [capture, _] of capturesSet.entries()) {
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game = capture.removeStone(game);
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if (capturesSet.size === 1) {
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const liberties = getNeighbors({ point: this, Game: game }).filter(neighbor => neighbor.stone === 0);
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if (liberties.length === 1) {
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capture.ko = true;
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}
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}
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}
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}
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// points with stones cannot be played to capture
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this.capturing = { '1': new Set(), '-1': new Set() }
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@ -344,3 +353,12 @@ module.exports = {
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Point
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}
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Game().initGame()
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.makeMove({ player: 'black', pos: { x: 4, y: 4 } }) // 3 4 5 6
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.makeMove({ player: 'white', pos: { x: 4, y: 5 } }) // 4 1 -1
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.makeMove({ player: 'black', pos: { x: 5, y: 3 } }) // 5 1 -1 1 -1
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.makeMove({ player: 'white', pos: { x: 5, y: 6 } }) // 6 1 -1
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.makeMove({ player: 'black', pos: { x: 6, y: 4 } })
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.makeMove({ player: 'white', pos: { x: 6, y: 5 } })
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.makeMove({ player: 'black', pos: { x: 5, y: 5 } })
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.makeMove({ player: 'white', pos: { x: 5, y: 4 } })
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@ -336,11 +336,11 @@ describe('capture logic: snapback, ko and playing in eyes', () => {
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});
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const snapbackGame = () => Game().initGame()
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.makeMove({ player: 'black', pos: { x: 4, y: 4 } }) // 3 4 5 6 7
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.makeMove({ player: 'white', pos: { x: 5, y: 4 } }) // 4 1. 1. -1.
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.makeMove({ player: 'black', pos: { x: 5, y: 6 } }) // 5 1. -1. -1. 1. -1.
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.makeMove({ player: 'white', pos: { x: 5, y: 7 } }) // 6 1. 1. -1.
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.makeMove({ player: 'black', pos: { x: 4, y: 5 } }) // (13) at {5,6} .
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.makeMove({ player: 'black', pos: { x: 4, y: 4 } }) // 3 4 5 6 7
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.makeMove({ player: 'white', pos: { x: 5, y: 4 } }) // 4 1 1 -1
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.makeMove({ player: 'black', pos: { x: 5, y: 6 } }) // 5 1 -1 -1 1 -1
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.makeMove({ player: 'white', pos: { x: 5, y: 7 } }) // 6 1 1 -1
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.makeMove({ player: 'black', pos: { x: 4, y: 5 } }) // (13) at {5,6}
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.makeMove({ player: 'white', pos: { x: 4, y: 6 } })
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.makeMove({ player: 'black', pos: { x: 5, y: 3 } })
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.makeMove({ player: 'white', pos: { x: 6, y: 6 } })
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@ -350,18 +350,31 @@ describe('capture logic: snapback, ko and playing in eyes', () => {
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.makeMove({ player: 'white', pos: { x: 5, y: 5 } })
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.makeMove({ player: 'black', pos: { x: 5, y: 6 } })
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it('snapback functions properly', done => {
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snapbackGame()
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.success.should.eql(true);
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.success.should.eql(true);
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done();
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});
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const koGame = () => Game().initGame()
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.makeMove({ player: 'black', pos: { x: 4, y: 4 } }) // 3 4 5 6
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.makeMove({ player: 'white', pos: { x: 4, y: 5 } }) // 4 1 -1
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.makeMove({ player: 'black', pos: { x: 5, y: 3 } }) // 5 1 -1 1 -1
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.makeMove({ player: 'white', pos: { x: 5, y: 6 } }) // 6 1 -1
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.makeMove({ player: 'black', pos: { x: 6, y: 4 } })
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.makeMove({ player: 'white', pos: { x: 6, y: 5 } })
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.makeMove({ player: 'black', pos: { x: 5, y: 5 } })
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.makeMove({ player: 'white', pos: { x: 5, y: 4 } })
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// it('ko recognized properly', done => {
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// snapbackGame()
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// .makeMove({ player: 'white', pos: { x: 5, y: 5 } })
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// done();
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// })
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it('ko recognized properly on point', done => {
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koGame()
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.boardState['5-5'].ko.should.eql(true);
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done();
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})
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// ko marked on game object
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// ko marked in legalMoves object
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// ko cleared after move
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})
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