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labyrinth-game-logic

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A libary that implements the boardgame labyrinth and exposes the functionality to create and interact with games

817 lines (803 loc) 35.9 kB
<!doctype html> <html lang="en"> <head> <title>Code coverage report for GameState.ts</title> <meta charset="utf-8" /> <link rel="stylesheet" href="prettify.css" /> <link rel="stylesheet" href="base.css" /> <link rel="shortcut icon" type="image/x-icon" href="favicon.png" /> <meta name="viewport" content="width=device-width, initial-scale=1" /> <style type='text/css'> .coverage-summary .sorter { background-image: url(sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1><a href="index.html">All files</a> GameState.ts</h1> <div class='clearfix'> <div class='fl pad1y space-right2'> <span class="strong">65.43% </span> <span class="quiet">Statements</span> <span class='fraction'>53/81</span> </div> <div class='fl pad1y space-right2'> <span class="strong">42.1% </span> <span class="quiet">Branches</span> <span class='fraction'>8/19</span> </div> <div class='fl pad1y space-right2'> <span class="strong">70% </span> <span class="quiet">Functions</span> <span class='fraction'>14/20</span> </div> <div class='fl pad1y space-right2'> <span class="strong">65.43% </span> <span class="quiet">Lines</span> <span class='fraction'>53/81</span> </div> </div> <p class="quiet"> Press <em>n</em> or <em>j</em> to go to the next uncovered block, <em>b</em>, <em>p</em> or <em>k</em> for the previous block. </p> <template id="filterTemplate"> <div class="quiet"> Filter: <input type="search" id="fileSearch"> </div> </template> </div> <div class='status-line medium'></div> <pre><table class="coverage"> <tr><td class="line-count quiet"><a name='L1'></a><a href='#L1'>1</a> <a name='L2'></a><a href='#L2'>2</a> <a name='L3'></a><a href='#L3'>3</a> <a name='L4'></a><a href='#L4'>4</a> <a name='L5'></a><a href='#L5'>5</a> <a name='L6'></a><a href='#L6'>6</a> <a name='L7'></a><a href='#L7'>7</a> <a name='L8'></a><a href='#L8'>8</a> <a name='L9'></a><a href='#L9'>9</a> <a name='L10'></a><a href='#L10'>10</a> <a name='L11'></a><a href='#L11'>11</a> <a 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class="cline-any cline-no">&nbsp;</span> <span class="cline-any cline-no">&nbsp;</span> <span class="cline-any cline-neutral">&nbsp;</span> <span class="cline-any cline-no">&nbsp;</span> <span class="cline-any cline-neutral">&nbsp;</span> <span class="cline-any cline-neutral">&nbsp;</span> <span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">/** * @author Timo lehnertz */ import { AllPlayerStates } from "./AllPlayerStates"; import { Board } from "./Board"; import { BoardPosition } from "./BoardPosition"; import { ShiftPosition } from "./ShiftPosition"; import { Move } from "./Move"; import { PlayerState } from "./PlayerState"; import { Treasure } from "./Treasure"; import { Cyrb64 } from "./Cyrb64"; &nbsp; /** * GameState class representing the state of a game * This class exposes all information about the game that a player could legally know by looking at the board */ export class GameState { public readonly board: Board; public readonly allPlayerStates: AllPlayerStates; public readonly historyMoves: Move[]; private hashCache: Cyrb64 | null = null; &nbsp; public constructor( board: Board, allPlayerStates: AllPlayerStates, historyMoves: Move[] ) { this.board = board; this.allPlayerStates = allPlayerStates; this.historyMoves = historyMoves; } &nbsp; /** * @throws Error in case the move is not valid */ public validateMove(move: Move) { <span class="missing-if-branch" title="if path not taken" >I</span>if ( !this.board.isShiftPositionValid(move.fromShiftPosition) || !this.board.isShiftPositionValid(move.toShiftPosition) ) { <span class="cstat-no" title="statement not covered" > throw new Error("Invalid shift position");</span> } <span class="missing-if-branch" title="if path not taken" >I</span>if (!this.board.shiftPosition.equals(move.fromShiftPosition)) { <span class="cstat-no" title="statement not covered" > throw new Error("Invalid starting shiftPosition");</span> } const gameStatedAfterSlide = this.setShiftPosition(move.toShiftPosition) .rotateLooseTile(move.rotateBeforeShift) .insertLooseTile(); const playerState = gameStatedAfterSlide.allPlayerStates.getPlayerState( move.playerIndex ); <span class="missing-if-branch" title="if path not taken" >I</span>if (playerState === null) { <span class="cstat-no" title="statement not covered" > throw new Error("Invalid playerIndex");</span> } <span class="missing-if-branch" title="if path not taken" >I</span>if (!move.from.equals(playerState.position)) { <span class="cstat-no" title="statement not covered" > console.log(move.from, playerState.position);</span> <span class="cstat-no" title="statement not covered" > throw new Error("Invalid starting position");</span> } <span class="missing-if-branch" title="if path not taken" >I</span>if (!gameStatedAfterSlide.board.isReachable(move.from, move.to)) { <span class="cstat-no" title="statement not covered" > throw new Error("Destination is not in reach");</span> } let expectedTreasure: Treasure | null = null; const treasureAtTo = gameStatedAfterSlide.board.getTile(move.to).treasure; if (treasureAtTo !== null) { if (playerState.currentTreasure<span class="branch-0 cbranch-no" title="branch not covered" >?.e</span>quals(treasureAtTo)) { expectedTreasure = treasureAtTo; } } <span class="missing-if-branch" title="if path not taken" >I</span>if (!Treasure.compare(expectedTreasure, move.collectedTreasure)) { <span class="cstat-no" title="statement not covered" > console.log(expectedTreasure, move.collectedTreasure);</span> <span class="cstat-no" title="statement not covered" > console.log(JSON.stringify(move));</span> <span class="cstat-no" title="statement not covered" > throw new Error("Invalid collected treasure");</span> } } &nbsp; /** * @throws Error in case the move is not valid */ public move(move: Move): GameState { this.validateMove(move); return this.rotateLooseTile(move.rotateBeforeShift) .setShiftPosition(move.toShiftPosition) .insertLooseTile() .movePlayer(move.playerIndex, move.to) .collectTreasure(move.playerIndex, move.collectedTreasure) .nextPlayer() .addMoveToHistory(move); } &nbsp; public <span class="fstat-no" title="function not covered" >undoMove(</span>): { newGameState: GameState; undoneMove: Move } { <span class="cstat-no" title="statement not covered" > <span class="missing-if-branch" title="if path not taken" >I</span>if (this.historyMoves.length === 0) {</span> <span class="cstat-no" title="statement not covered" > throw new Error("no moves to undo");</span> } const move = <span class="cstat-no" title="statement not covered" >this.historyMoves[this.historyMoves.length - 1];</span> <span class="cstat-no" title="statement not covered" > return {</span> newGameState: this.removeLastHistoryMove() .prevPlayer() .removeLastTreasure(move.playerIndex, move.collectedTreasure) .movePlayer(move.playerIndex, move.from) .insertLooseTile() .setShiftPosition(move.fromShiftPosition) .rotateLooseTile(-move.rotateBeforeShift), undoneMove: move, }; } &nbsp; public rotateLooseTile(rotateBeforeShift: number): GameState { return new GameState( this.board.rotateLooseTile(rotateBeforeShift), this.allPlayerStates, this.historyMoves ); } &nbsp; public setShiftPosition(shiftPosition: ShiftPosition): GameState { const newBoard = this.board.setShiftPosition(shiftPosition); return new GameState(newBoard, this.allPlayerStates, this.historyMoves); } &nbsp; public insertLooseTile(): GameState { const newAllPlayerStates = this.allPlayerStates.mutateAll( (playerState: PlayerState): PlayerState =&gt; { return playerState.setPosition( this.board.shiftPosition.shiftPlayer( playerState.position, this.board.width, this.board.height ) ); } ); const newBoard = this.board.insertLooseTile(); return new GameState(newBoard, newAllPlayerStates, this.historyMoves); } &nbsp; private movePlayer(playerIndex: number, to: BoardPosition) { const newAllPlayerStates = this.allPlayerStates.movePlayer(playerIndex, to); return new GameState(this.board, newAllPlayerStates, this.historyMoves); } &nbsp; private collectTreasure( playerIndex: number, foundTreasure: Treasure | null ): GameState { if (foundTreasure === null) { return this; } const newAllPlayerStates = this.allPlayerStates.collectTreasure( playerIndex, foundTreasure ); return new GameState(this.board, newAllPlayerStates, this.historyMoves); } &nbsp; public getWinnerIndex(): number | null { const playerStates = this.allPlayerStates.getPlayerStatesWithAllTreasures(); for (const player of playerStates) { const playerHomePoint = <span class="cstat-no" title="statement not covered" >Board.getPlayerHomePosition(</span> player.playerIndex, this.board.width, this.board.height ); <span class="cstat-no" title="statement not covered" > <span class="missing-if-branch" title="if path not taken" >I</span>if (player.playerState.position.equals(playerHomePoint)) {</span> <span class="cstat-no" title="statement not covered" > return player.playerIndex;</span> } } return null; } &nbsp; private <span class="fstat-no" title="function not covered" >removeLastTreasure(</span> playerIndex: number, foundTreasure: Treasure | null ): GameState { <span class="cstat-no" title="statement not covered" > <span class="missing-if-branch" title="if path not taken" >I</span>if (foundTreasure === null) {</span> <span class="cstat-no" title="statement not covered" > return this;</span> } const newAllPlayerStates = <span class="cstat-no" title="statement not covered" > this.allPlayerStates.removeLastTreasure(playerIndex);</span> <span class="cstat-no" title="statement not covered" > return new GameState(this.board, newAllPlayerStates, this.historyMoves);</span> } &nbsp; private nextPlayer(): GameState { return new GameState( this.board, this.allPlayerStates.nextPlayer(), this.historyMoves ); } &nbsp; private <span class="fstat-no" title="function not covered" >prevPlayer(</span>): GameState { <span class="cstat-no" title="statement not covered" > return new GameState(</span> this.board, this.allPlayerStates.prevPlayer(), this.historyMoves ); } &nbsp; private copyHistory(): Move[] { const newHistory: Move[] = []; for (const historyMove of this.historyMoves) { newHistory.push(historyMove); } return newHistory; } &nbsp; private addMoveToHistory(move: Move): GameState { const newHistory = this.copyHistory(); newHistory.push(move); return new GameState(this.board, this.allPlayerStates, newHistory); } &nbsp; private <span class="fstat-no" title="function not covered" >removeLastHistoryMove(</span>): GameState { const newHistory = <span class="cstat-no" title="statement not covered" >this.copyHistory();</span> <span class="cstat-no" title="statement not covered" > newHistory.pop();</span> <span class="cstat-no" title="statement not covered" > return new GameState(this.board, this.allPlayerStates, newHistory);</span> } &nbsp; public <span class="fstat-no" title="function not covered" >equals(</span>other: GameState): boolean { // if (!other.hash().equals(this.hash())) { // console.log(this.board.looseTile); // console.log(other.board.looseTile); // } <span class="cstat-no" title="statement not covered" > return other.hash().equals(this.hash());</span> } &nbsp; public static create(instance: GameState): GameState { const historyMoves: Move[] = []; for (const historyMove of instance.historyMoves) { historyMoves.push(Move.create(historyMove)); } return new GameState( Board.create(instance.board), AllPlayerStates.create(instance.allPlayerStates), historyMoves ); } &nbsp; public <span class="fstat-no" title="function not covered" >hash(</span>): Cyrb64 { <span class="cstat-no" title="statement not covered" > <span class="missing-if-branch" title="if path not taken" >I</span>if (this.hashCache === null) {</span> <span class="cstat-no" title="statement not covered" > this.hashCache = Cyrb64.hashString(JSON.stringify(this), 0);</span> } <span class="cstat-no" title="statement not covered" > return this.hashCache;</span> } } &nbsp;</pre></td></tr></table></pre> <div class='push'></div><!-- for sticky footer --> </div><!-- /wrapper --> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="https://istanbul.js.org/" target="_blank" rel="noopener noreferrer">istanbul</a> at 2024-05-16T14:16:07.597Z </div> <script src="prettify.js"></script> <script> window.onload = function () { prettyPrint(); }; </script> <script src="sorter.js"></script> <script src="block-navigation.js"></script> </body> </html>