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Refactor Reversi (#3584)

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* Update core.ts

* Update core.ts

* Create functional-syntax.ts

* Update core.ts

* Update functional-syntax.ts

* Update core.ts

* Delete functional-syntax.ts
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Acid Chicken (硫酸鶏) 2018-12-17 19:10:38 +09:00 committed by Aya Morisawa
parent 48dc56e834
commit 82d721d60b
1 changed files with 25 additions and 61 deletions
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82
src/games/reversi/core.ts
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@ -76,27 +76,14 @@ export default class Reversi {
this.mapHeight = map.length;
const mapData = map.join('');
this.board = mapData.split('').map(d => {
if (d == '-') return null;
if (d == 'b') return BLACK;
if (d == 'w') return WHITE;
return undefined;
});
this.board = mapData.split('').map(d => d === '-' ? null : d === 'b' ? BLACK : d === 'w' ? WHITE : undefined);
this.map = mapData.split('').map(d => {
if (d == '-' || d == 'b' || d == 'w') return 'empty';
return 'null';
});
this.map = mapData.split('').map(d => d === '-' || d === 'b' || d === 'w' ? 'empty' : 'null');
//#endregion
// ゲームが始まった時点で片方の色の石しかないか、始まった時点で勝敗が決定するようなマップの場合がある
if (!this.canPutSomewhere(BLACK)) {
if (!this.canPutSomewhere(WHITE)) {
this.turn = null;
} else {
this.turn = WHITE;
}
}
if (!this.canPutSomewhere(BLACK))
this.turn = this.canPutSomewhere(WHITE) ? WHITE : null;
}
/**
@ -117,16 +104,14 @@ export default class Reversi {
* 黒石の比率
*/
public get blackP() {
if (this.blackCount == 0 && this.whiteCount == 0) return 0;
return this.blackCount / (this.blackCount + this.whiteCount);
return this.blackCount == 0 && this.whiteCount == 0 ? 0 : this.blackCount / (this.blackCount + this.whiteCount);
}
/**
* 白石の比率
*/
public get whiteP() {
if (this.blackCount == 0 && this.whiteCount == 0) return 0;
return this.whiteCount / (this.blackCount + this.whiteCount);
return this.blackCount == 0 && this.whiteCount == 0 ? 0 : this.whiteCount / (this.blackCount + this.whiteCount);
}
public transformPosToXy(pos: number): number[] {
@ -172,13 +157,10 @@ export default class Reversi {
private calcTurn() {
// ターン計算
if (this.canPutSomewhere(!this.prevColor)) {
this.turn = !this.prevColor;
} else if (this.canPutSomewhere(this.prevColor)) {
this.turn = this.prevColor;
} else {
this.turn = null;
}
this.turn =
this.canPutSomewhere(!this.prevColor) ? !this.prevColor :
this.canPutSomewhere(this.prevColor) ? this.prevColor :
null;
}
public undo() {
@ -199,8 +181,7 @@ export default class Reversi {
*/
public mapDataGet(pos: number): MapPixel {
const [x, y] = this.transformPosToXy(pos);
if (x < 0 || y < 0 || x >= this.mapWidth || y >= this.mapHeight) return 'null';
return this.map[pos];
return x < 0 || y < 0 || x >= this.mapWidth || y >= this.mapHeight ? 'null' : this.map[pos];
}
/**
@ -223,16 +204,10 @@ export default class Reversi {
* @param pos 位置
*/
public canPut(color: Color, pos: number): boolean {
// 既に石が置いてある場所には打てない
if (this.board[pos] !== null) return false;
if (this.opts.canPutEverywhere) {
// 挟んでなくても置けるモード
return this.mapDataGet(pos) == 'empty';
} else {
// 相手の石を1つでも反転させられるか
return this.effects(color, pos).length !== 0;
}
return (
this.board[pos] !== null ? false : // 既に石が置いてある場所には打てない
this.opts.canPutEverywhere ? this.mapDataGet(pos) == 'empty' : // 挟んでなくても置けるモード
this.effects(color, pos).length !== 0); // 相手の石を1つでも反転させられるか
}
/**
@ -263,19 +238,13 @@ export default class Reversi {
[x, y] = nextPos(x, y);
// 座標が指し示す位置がボード外に出たとき
if (this.opts.loopedBoard) {
x = ((x % this.mapWidth) + this.mapWidth) % this.mapWidth;
y = ((y % this.mapHeight) + this.mapHeight) % this.mapHeight;
if (this.transformXyToPos(x, y) == initPos) {
if (this.opts.loopedBoard && this.transformXyToPos(
(x = ((x % this.mapWidth) + this.mapWidth) % this.mapWidth),
(y = ((y % this.mapHeight) + this.mapHeight) % this.mapHeight)) == initPos)
// 盤面の境界でループし、自分が石を置く位置に戻ってきたとき、挟めるようにしている (ref: Test4のマップ)
return found;
}
} else {
if (x == -1 || y == -1 || x == this.mapWidth || y == this.mapHeight) {
else if (x == -1 || y == -1 || x == this.mapWidth || y == this.mapHeight)
return []; // 挟めないことが確定 (盤面外に到達)
}
}
const pos = this.transformXyToPos(x, y);
if (this.mapDataGet(pos) === 'null') return []; // 挟めないことが確定 (配置不可能なマスに到達)
@ -300,14 +269,9 @@ export default class Reversi {
* ゲームの勝者 (null = 引き分け)
*/
public get winner(): Color {
if (!this.isEnded) return undefined;
if (this.blackCount == this.whiteCount) return null;
if (this.opts.isLlotheo) {
return this.blackCount > this.whiteCount ? WHITE : BLACK;
} else {
return this.blackCount > this.whiteCount ? BLACK : WHITE;
}
return this.isEnded ?
this.blackCount == this.whiteCount ? null :
this.opts.isLlotheo === this.blackCount > this.whiteCount　? WHITE : BLACK :
undefined;
}
}