Draft of a problems section + news system
[vchess.git] / client / src / components / ComputerGame.vue
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a6088c90 1<template lang="pug">
604b951e 2BaseGame(:game="game" :vr="vr" @newmove="processMove" @gameover="gameOver")
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3</template>
4
5<script>
6import BaseGame from "@/components/BaseGame.vue";
7import { store } from "@/store";
41cb9b94 8import Worker from "worker-loader!@/playCompMove";
a6088c90 9export default {
41cb9b94 10 name: "my-computer-game",
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11 components: {
12 BaseGame,
13 },
6dd02928 14 // gameInfo: fen + mode + vname
63ca2b89 15 // mode: "auto" (game comp vs comp) or "versus" (normal)
6dd02928 16 props: ["gameInfo"],
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17 data: function() {
18 return {
19 st: store.state,
41cb9b94 20 game: {},
b7c32f1a 21 vr: null,
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22 // Web worker to play computer moves without freezing interface:
23 timeStart: undefined, //time when computer starts thinking
41cb9b94 24 compThink: false, //avoid asking a new move while one is being searched
a6088c90 25 compWorker: null,
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26 };
27 },
a6088c90 28 watch: {
834c202a 29 "gameInfo.fen": function() {
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30 this.launchGame();
31 },
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32 "gameInfo.score": function(newScore) {
33 if (newScore != "*")
834c202a 34 {
41cb9b94 35 this.game.score = newScore; //user action
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36 if (!this.compThink)
37 this.$emit("game-stopped"); //otherwise wait for comp
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38 }
39 },
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40 },
41 // Modal end of game, and then sub-components
42 created: function() {
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43 // Computer moves web worker logic:
44 this.compWorker = new Worker();
a6088c90 45 this.compWorker.onmessage = e => {
a6088c90 46 let compMove = e.data;
41cb9b94 47 if (!compMove)
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48 {
49 this.compThink = false;
50 this.$emit("game-stopped"); //no more moves: mate or stalemate
41cb9b94 51 return; //after game ends, no more moves, nothing to do
7b3cf1b7 52 }
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53 if (!Array.isArray(compMove))
54 compMove = [compMove]; //to deal with MarseilleRules
55 // Small delay for the bot to appear "more human"
af32cf62 56 const delay = Math.max(500-(Date.now()-this.timeStart), 0);
a6088c90 57 setTimeout(() => {
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58 if (this.currentUrl != document.location.href)
59 return; //page change
41cb9b94 60 // NOTE: Dark and 2-moves are incompatible
6dd02928 61 const animate = (this.gameInfo.vname != "Dark");
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62 const animDelay = (animate ? 250 : 0);
63 let moveIdx = 0;
64 let self = this;
65 (function executeMove() {
63ca2b89 66 self.$set(self.game, "moveToPlay", compMove[moveIdx++]);
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67 if (moveIdx >= compMove.length)
68 {
69 self.compThink = false;
70 if (self.game.score != "*") //user action
71 self.$emit("game-stopped");
72 }
73 else
74 setTimeout(executeMove, 500 + animDelay);
75 })();
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76 }, delay);
77 }
834c202a 78 if (!!this.gameInfo.fen)
b7c32f1a 79 this.launchGame();
a6088c90 80 },
a6088c90 81 methods: {
e6a5a8ea 82 launchGame: function() {
6dd02928 83 this.compWorker.postMessage(["scripts",this.gameInfo.vname]);
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84 this.compWorker.postMessage(["init",this.gameInfo.fen]);
85 this.vr = new V(this.gameInfo.fen);
86 const mycolor = (Math.random() < 0.5 ? "w" : "b");
41cb9b94 87 let players = [{name:"Myself"},{name:"Computer"}];
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88 if (mycolor == "b")
89 players = players.reverse();
6cd07b4d 90 this.currentUrl = document.location.href; //to avoid playing outside page
41cb9b94 91 // NOTE: fen and fenStart are redundant in game object
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92 this.game = Object.assign({},
93 this.gameInfo,
94 {
95 fenStart: this.gameInfo.fen,
96 players: players,
97 mycolor: mycolor,
2c6cb25e 98 score: "*",
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99 });
100 this.compWorker.postMessage(["init",this.gameInfo.fen]);
101 if (mycolor != "w" || this.gameInfo.mode == "auto")
37cdcbf3 102 this.playComputerMove();
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103 },
104 playComputerMove: function() {
105 this.timeStart = Date.now();
41cb9b94 106 this.compThink = true;
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107 this.compWorker.postMessage(["askmove"]);
108 },
1acda11c 109 processMove: function(move) {
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110 if (this.game.score != "*")
111 return;
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112 // Send the move to web worker (including his own moves)
113 this.compWorker.postMessage(["newmove",move]);
114 // subTurn condition for Marseille (and Avalanche) rules
115 if ((!this.vr.subTurn || this.vr.subTurn <= 1)
834c202a 116 && (this.gameInfo.mode == "auto" || this.vr.turn != this.game.mycolor))
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117 {
118 this.playComputerMove();
119 }
120 },
430a2038 121 gameOver: function(score, scoreMsg) {
41cb9b94 122 this.game.score = score;
430a2038 123 this.game.scoreMsg = scoreMsg;
41cb9b94 124 this.$emit("game-over", score); //bubble up to Rules.vue
834c202a 125 },
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126 },
127};
128</script>