added mancala.ts

src/mancala.ts

@@ -0,0 +1,195 @@
+export class Game {
+    player1: string
+    player2: string
+    board: Board
+    turn: "player1" | "player2"
+
+    constructor(player1: string, player2: string, board: Board, turn: "player1" | "player2") {
+        this.player1 = player1
+        this.player2 = player2
+        this.board = board
+        this.turn = turn
+    }
+
+    public moveByIndex(holeIndex: number, player: "player1" | "player2") {
+        let hole = this.board.player1Holes[holeIndex]
+
+        if(player == "player2"){
+            hole = this.board.player2Holes[holeIndex]
+        }
+
+        return this.move(hole, player)
+    }
+
+    public move(hole: Hole, player: "player1" | "player2") {
+
+        if (this.turn != player) return
+        if (hole.ballCount == 0) return
+
+        let holeIndex = -1
+        let circle: Array<Hole>
+        if (player == "player1") {
+            holeIndex = this.board.player1Holes.indexOf(hole)
+            circle = this.board.player1Circle()
+        } else {
+            holeIndex = this.board.player2Holes.indexOf(hole)
+            circle = this.board.player2Circle()
+        }
+
+        // if can't find hole in own list
+        if (holeIndex < 0) {
+            return
+        }
+
+        const circleSize = circle.length
+        const stepCount = hole.ballCount
+
+        let startIndex = holeIndex
+
+        let holeEndBallCount = 1
+
+        if (hole.ballCount == 1) {
+            startIndex = holeIndex + 1
+            holeEndBallCount = 0
+        }
+
+        let stopIndex = startIndex + stepCount - 1
+        stopIndex += (stopIndex / circleSize) | 0 // add the number of jump over opponent store
+
+        const stopHole = circle[stopIndex % circle.length]
+
+        iterateHoles(circle, startIndex, stopIndex, (eachHole: Hole, index: number) => {
+            if (!checkIsOpponentStore(index, circleSize)) {
+                eachHole.ballCount++
+            }
+        })
+        hole.ballCount = holeEndBallCount
+        console.log((stopIndex) );
+        console.log(checkIsOwnHole(stopIndex, circleSize));
+
+        if (checkIsOwnHole(stopIndex, circleSize)) {
+            //check if it was 0 before
+            if (stopHole.ballCount == 1) {
+                const ownStore = getOwnStore(circle)
+                const opponentHole = getOpponentHoleByIndex(stopIndex, circle)
+
+                ownStore.ballCount++
+                stopHole.ballCount = 0;
+
+                ownStore.ballCount += opponentHole.ballCount
+                opponentHole.ballCount = 0
+            }
+        }
+
+        if (!checkIsOwnStore(stopIndex, circleSize)) {
+            this.changeTurn()
+        }
+    }
+
+    public changeTurn() {
+        if (this.turn == "player1") {
+            this.turn = "player2"
+        } else {
+            this.turn = "player1"
+        }
+    }
+
+    public clone() { return new Game(this.player1, this.player2, this.board, this.turn) }
+
+    //todo throw expection
+    public getPlayerNameByKey(key : string) : "player1" | "player2" {
+        if(this.player1 == key){
+            return "player1"
+        }else{
+            return "player2"
+        }
+    }
+
+    public checkGameTurn(user : string) : boolean{
+        return this.getPlayerNameByKey(user) == this.turn
+    }
+}
+
+export function createGame( player1: string, player2: string){
+    // const board = new Board(
+    //     [new Hole(0), new Hole(1), new Hole(2), new Hole(3), new Hole(4), new Hole(5)],
+    //     [new Hole(0), new Hole(1), new Hole(2), new Hole(3), new Hole(4), new Hole(5)],
+    //     new Store(0), new Store(0))
+    const board = new Board(
+        [new Hole(4), new Hole(4), new Hole(4), new Hole(4), new Hole(4), new Hole(4)],
+        [new Hole(4), new Hole(4), new Hole(4), new Hole(4), new Hole(4), new Hole(4)],
+        new Store(0), new Store(0))
+    return new Game(player1, player2, board, "player1")
+}
+
+export class Hole {
+    public ballCount: number
+
+    constructor(ballCount: number) {
+        this.ballCount = ballCount
+    }
+}
+
+export class Store extends Hole {
+    constructor(ballCount: number) {
+        super(ballCount)
+    }
+}
+
+export class Board {
+    public player1Holes: Array<Hole>
+    public player2Holes: Array<Hole>
+    public player1Store: Store
+    public player2Store: Store
+
+    constructor(player1Holes: Array<Hole>, player2Holes: Array<Hole>, player1Store: Store, player2Store: Store) {
+        this.player1Holes = player1Holes
+        this.player2Holes = player2Holes
+        this.player1Store = player1Store
+        this.player2Store = player2Store
+    }
+
+    // array.reverse didn't work
+    public player1Circle(): Array<Hole> {
+        return [...this.player1Holes, this.player1Store, ...this.player2Holes, this.player2Store]
+    }
+
+    // array.reverse didn't work
+    public player2Circle(): Array<Hole> {
+        return [...this.player2Holes, this.player2Store, ...this.player1Holes, this.player1Store]
+    }
+}
+
+function iterateHoles(holes: Array<Hole>, start: number, stop: number, callback: (hole: Hole, index: number) => void) {
+    for (let index = start; index <= stop; index++) {
+        callback(holes[index % holes.length], index)
+    }
+}
+
+function reverse(holes: Array<Hole>) {
+    const array = new Array<Hole>()
+    for (let index = holes.length - 1; index > -1; index--) {
+        array.push(holes[index])
+    }
+    return array
+}
+
+function checkIsOpponentStore(index: number, size: number) { return (index % size) === size - 1 }
+
+function checkIsOpponentHole(index: number, size: number) { return (index % size) >= size / 2 }
+
+function checkIsOwnHole(index: number, size: number) { return (index % size) < size / 2 - 1 }
+
+function checkIsOwnStore(index: number, size: number) { return (index % size) == size / 2 - 1 }
+
+function getOwnStore(circle: Array<Hole>) {
+    return circle[circle.length / 2 - 1]
+}
+
+function getOpponentHoleByIndex(index: number, circle: Array<Hole>) {
+    return circle[circle.length - 2 - index]
+}
+
+export interface GameMove {
+    index : number,
+}