| 1 | <template lang="pug"> |
| 2 | BaseGame( |
| 3 | ref="basegame" |
| 4 | :game="game" |
| 5 | @newmove="processMove" |
| 6 | ) |
| 7 | </template> |
| 8 | |
| 9 | <script> |
| 10 | import BaseGame from "@/components/BaseGame.vue"; |
| 11 | import { store } from "@/store"; |
| 12 | import { CompgameStorage } from "@/utils/compgameStorage"; |
| 13 | import { getScoreMessage } from "@/utils/scoring"; |
| 14 | import { playMove, getFilteredMove } from "@/utils/playUndo"; |
| 15 | import Worker from "worker-loader!@/playCompMove"; |
| 16 | export default { |
| 17 | name: "my-computer-game", |
| 18 | components: { |
| 19 | BaseGame |
| 20 | }, |
| 21 | // gameInfo: fen + mode + vname |
| 22 | // mode: "auto" (game comp vs comp) or "versus" (normal) |
| 23 | props: ["gameInfo"], |
| 24 | data: function() { |
| 25 | return { |
| 26 | st: store.state, |
| 27 | game: {}, |
| 28 | vr: null, |
| 29 | // Web worker to play computer moves without freezing interface: |
| 30 | timeStart: undefined, //time when computer starts thinking |
| 31 | compThink: false, //avoid asking a new move while one is being searched |
| 32 | compWorker: null |
| 33 | }; |
| 34 | }, |
| 35 | created: function() { |
| 36 | // Computer moves web worker logic: |
| 37 | this.compWorker = new Worker(); |
| 38 | this.compWorker.onmessage = e => { |
| 39 | let compMove = e.data; |
| 40 | // Small delay for the bot to appear "more human" |
| 41 | const minDelay = this.gameInfo.mode == "versus" ? 500 : 1000; |
| 42 | const delay = Math.max(minDelay - (Date.now() - this.timeStart), 0); |
| 43 | let self = this; |
| 44 | setTimeout(() => { |
| 45 | if (this.currentUrl != document.location.href) return; //page change |
| 46 | self.$refs["basegame"].play(compMove, "received"); |
| 47 | let animationLength = 0; |
| 48 | const mvArray = (Array.isArray(compMove) ? compMove : [compMove]); |
| 49 | const realLength = |
| 50 | mvArray.filter(m => m.start.x >= 0 && !m.end.noHighlight).length; |
| 51 | if (realLength >= 1) |
| 52 | // 250 = length of animation, 500 = delay between sub-moves |
| 53 | // TODO: a callback would be cleaner. |
| 54 | animationLength = 250 + (realLength - 1) * 750; |
| 55 | setTimeout( |
| 56 | () => { |
| 57 | self.compThink = false; |
| 58 | self.processMove(compMove); |
| 59 | }, |
| 60 | animationLength |
| 61 | ); |
| 62 | }, delay); |
| 63 | }; |
| 64 | }, |
| 65 | methods: { |
| 66 | launchGame: function(game, options) { |
| 67 | this.compWorker.postMessage(["scripts", this.gameInfo.vname]); |
| 68 | if (!game) { |
| 69 | game = { |
| 70 | vname: this.gameInfo.vname, |
| 71 | fenStart: V.GenRandInitFen(options), |
| 72 | moves: [] |
| 73 | }; |
| 74 | game.fen = game.fenStart; |
| 75 | if (this.gameInfo.mode == "versus") CompgameStorage.add(game); |
| 76 | } |
| 77 | if (!game.mycolor) game.mycolor = (Math.random() < 0.5 ? "w" : "b"); |
| 78 | this.compWorker.postMessage(["init", game.fen]); |
| 79 | this.vr = new V(game.fen); |
| 80 | game.players = [{ name: "Computer" }, { name: "Computer" }]; |
| 81 | if (this.gameInfo.mode == "versus") |
| 82 | game.players[game.mycolor == 'w' ? 0 : 1] = { name: "Myself" }; |
| 83 | game.score = "*"; //finished games are removed |
| 84 | game.mode = this.gameInfo.mode; |
| 85 | this.currentUrl = document.location.href; //to avoid playing outside page |
| 86 | this.game = game; |
| 87 | this.$refs["basegame"].re_setVariables(game); |
| 88 | this.compWorker.postMessage(["init", game.fen]); |
| 89 | if (this.gameInfo.mode == "auto" || game.mycolor != this.vr.turn) |
| 90 | this.playComputerMove(); |
| 91 | }, |
| 92 | // NOTE: a "goto" action could lead to an error when comp is thinking, |
| 93 | // but it's OK because from the user viewpoint the game just stops. |
| 94 | playComputerMove: function() { |
| 95 | this.timeStart = Date.now(); |
| 96 | this.compThink = true; |
| 97 | this.compWorker.postMessage(["askmove"]); |
| 98 | }, |
| 99 | processMove: function(move, scoreObj) { |
| 100 | playMove(move, this.vr); |
| 101 | // Maybe the user stopped the game: |
| 102 | if (this.game.score != "*") { |
| 103 | this.$emit("game-stopped"); |
| 104 | return; |
| 105 | } |
| 106 | // This move could have ended the game |
| 107 | if (!scoreObj) scoreObj = { score: this.vr.getCurrentScore() }; |
| 108 | if (scoreObj.score != "*") { |
| 109 | this.gameOver(scoreObj.score); |
| 110 | return; |
| 111 | } |
| 112 | // Send the move to web worker (including his own moves) |
| 113 | this.compWorker.postMessage(["newmove", move]); |
| 114 | if (this.gameInfo.mode == "auto" || this.vr.turn != this.game.mycolor) |
| 115 | this.playComputerMove(); |
| 116 | // Finally, update storage: |
| 117 | if (this.gameInfo.mode == "versus") { |
| 118 | CompgameStorage.update(this.gameInfo.vname, { |
| 119 | move: getFilteredMove(move), |
| 120 | fen: this.vr.getFen() |
| 121 | }); |
| 122 | } |
| 123 | }, |
| 124 | gameOver: function(score) { |
| 125 | this.game.score = score; |
| 126 | this.game.scoreMsg = getScoreMessage(score, V.ReverseColors); |
| 127 | // If comp is thinking, let him finish: |
| 128 | if (!this.compThink) this.$emit("game-stopped"); |
| 129 | } |
| 130 | } |
| 131 | }; |
| 132 | </script> |