| 1 | <template lang="pug"> |
| 2 | BaseGame( |
| 3 | :game="game" |
| 4 | :vr="vr" |
| 5 | @newmove="processMove" |
| 6 | @gameover="gameOver" |
| 7 | ) |
| 8 | </template> |
| 9 | |
| 10 | <script> |
| 11 | import BaseGame from "@/components/BaseGame.vue"; |
| 12 | import { store } from "@/store"; |
| 13 | import Worker from "worker-loader!@/playCompMove"; |
| 14 | export default { |
| 15 | name: "my-computer-game", |
| 16 | components: { |
| 17 | BaseGame |
| 18 | }, |
| 19 | // gameInfo: fen + mode + vname |
| 20 | // mode: "auto" (game comp vs comp) or "versus" (normal) |
| 21 | props: ["gameInfo"], |
| 22 | data: function() { |
| 23 | return { |
| 24 | st: store.state, |
| 25 | game: {}, |
| 26 | vr: null, |
| 27 | // Web worker to play computer moves without freezing interface: |
| 28 | timeStart: undefined, //time when computer starts thinking |
| 29 | compThink: false, //avoid asking a new move while one is being searched |
| 30 | compWorker: null |
| 31 | }; |
| 32 | }, |
| 33 | watch: { |
| 34 | "gameInfo.fen": function() { |
| 35 | this.launchGame(); |
| 36 | }, |
| 37 | "gameInfo.score": function(newScore) { |
| 38 | if (newScore != "*") { |
| 39 | this.game.score = newScore; //user action |
| 40 | if (!this.compThink) this.$emit("game-stopped"); //otherwise wait for comp |
| 41 | } |
| 42 | } |
| 43 | }, |
| 44 | // Modal end of game, and then sub-components |
| 45 | created: function() { |
| 46 | // Computer moves web worker logic: |
| 47 | this.compWorker = new Worker(); |
| 48 | this.compWorker.onmessage = e => { |
| 49 | let compMove = e.data; |
| 50 | if (!compMove) { |
| 51 | this.compThink = false; |
| 52 | this.$emit("game-stopped"); //no more moves: mate or stalemate |
| 53 | return; //after game ends, no more moves, nothing to do |
| 54 | } |
| 55 | if (!Array.isArray(compMove)) compMove = [compMove]; //potential multi-move |
| 56 | // Small delay for the bot to appear "more human" |
| 57 | const delay = Math.max(500 - (Date.now() - this.timeStart), 0); |
| 58 | setTimeout(() => { |
| 59 | if (this.currentUrl != document.location.href) return; //page change |
| 60 | // NOTE: do not animate move if special display (ShowMoves != "all") |
| 61 | const animate = V.ShowMoves == "all"; |
| 62 | const animDelay = animate ? 250 : 0; |
| 63 | let moveIdx = 0; |
| 64 | let self = this; |
| 65 | (function executeMove() { |
| 66 | self.$set(self.game, "moveToPlay", compMove[moveIdx++]); |
| 67 | if (moveIdx >= compMove.length) { |
| 68 | self.compThink = false; |
| 69 | if (self.game.score != "*") |
| 70 | //user action |
| 71 | self.$emit("game-stopped"); |
| 72 | } else setTimeout(executeMove, 500 + animDelay); |
| 73 | })(); |
| 74 | }, delay); |
| 75 | }; |
| 76 | if (this.gameInfo.fen) this.launchGame(); |
| 77 | }, |
| 78 | methods: { |
| 79 | launchGame: function() { |
| 80 | this.compWorker.postMessage(["scripts", this.gameInfo.vname]); |
| 81 | this.compWorker.postMessage(["init", this.gameInfo.fen]); |
| 82 | this.vr = new V(this.gameInfo.fen); |
| 83 | const mycolor = Math.random() < 0.5 ? "w" : "b"; |
| 84 | let players = [{ name: "Myself" }, { name: "Computer" }]; |
| 85 | if (mycolor == "b") players = players.reverse(); |
| 86 | this.currentUrl = document.location.href; //to avoid playing outside page |
| 87 | // NOTE: fen and fenStart are redundant in game object |
| 88 | this.game = Object.assign({}, this.gameInfo, { |
| 89 | fenStart: this.gameInfo.fen, |
| 90 | players: players, |
| 91 | mycolor: mycolor, |
| 92 | score: "*" |
| 93 | }); |
| 94 | this.compWorker.postMessage(["init", this.gameInfo.fen]); |
| 95 | if (mycolor != "w" || this.gameInfo.mode == "auto") |
| 96 | this.playComputerMove(); |
| 97 | }, |
| 98 | playComputerMove: function() { |
| 99 | this.timeStart = Date.now(); |
| 100 | this.compThink = true; |
| 101 | this.compWorker.postMessage(["askmove"]); |
| 102 | }, |
| 103 | processMove: function(move) { |
| 104 | if (this.game.score != "*") return; |
| 105 | // Send the move to web worker (including his own moves) |
| 106 | this.compWorker.postMessage(["newmove", move]); |
| 107 | // subTurn condition for Marseille (and Avalanche) rules |
| 108 | if ( |
| 109 | (!this.vr.subTurn || this.vr.subTurn <= 1) && |
| 110 | (this.gameInfo.mode == "auto" || this.vr.turn != this.game.mycolor) |
| 111 | ) { |
| 112 | this.playComputerMove(); |
| 113 | } |
| 114 | }, |
| 115 | gameOver: function(score, scoreMsg) { |
| 116 | this.game.score = score; |
| 117 | this.game.scoreMsg = scoreMsg; |
| 118 | this.$emit("game-over", score); //bubble up to Rules.vue |
| 119 | } |
| 120 | } |
| 121 | }; |
| 122 | </script> |