Code implementation for simple multiplayer on login. Requrires accounts-entry or similar login forms and profile-online
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March 16, 2016 13:01
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Meteor.js - Multiplayer Meteor Login Logic. @aaronthorp
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| if (Meteor.isClient) { | |
| Deps.autorun(function() { | |
| Subs_Games = Meteor.subscribe("myGames", Meteor.userId()); | |
| }); | |
| Template.home.game = function() { | |
| return GameCollection.findOne({current: true}); | |
| }; | |
| Template.home.events({ | |
| "click #newGame": function() { | |
| Meteor.call('newGame'); | |
| }, | |
| "click #finishGame": function() { | |
| var game = GameCollection.findOne({current: true}); | |
| Meteor.call('finishGame', game._id); | |
| } | |
| }); | |
| } |
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| GameCollection = new Meteor.Collection("games"); |
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| <template name="home"> | |
| <p>Welcome to my new meteor multiplayer app</p> | |
| <p><strong> Current Game Status: </strong> | |
| {{#if game.active}} | |
| Game is in play! <a href="#" id="finishGame">Finish the Game</a>. | |
| {{else}} | |
| {{#if game.finished}} | |
| Game Completed or other player left. <a href="#" id="newGame">Start a New Game</a>. | |
| {{else}} | |
| Waiting for new player to login...or <a href="#" id="newGame">Find a New Game</a> by an online user. | |
| {{/if}} | |
| {{/if}} | |
| </p> | |
| <p><strong> Current Game ID: </strong>{{game._id}}</p> | |
| <p><strong> Current Game Player Count: </strong>{{game.players.length}}</p> | |
| <p><strong> Current Game Active: </strong>{{game.active}}</p> | |
| <p><a href="{{pathFor 'entrySignOut'}}">Logout</a></p> | |
| </template> |
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| if (Meteor.isServer) { | |
| Meteor.methods({ | |
| newGame: function() { | |
| allocateGame(this.userId); | |
| }, | |
| finishGame: function(_id) { | |
| GameCollection.update({_id: _id}, {$set: {active: false, finished: true}}); | |
| } | |
| }) | |
| Meteor._onLogin = function (userId) { | |
| allocateGame(userId); | |
| console.log(userId + "just logged in.") | |
| } | |
| Meteor._onLogout = function (userId) { | |
| leaveGames(userId); | |
| console.log(userId + "just logged out.") | |
| } | |
| allocateGame = function(userId) { | |
| var gameWaiting = GameCollection.findOne({players: {$size: 1}}); | |
| if (!gameWaiting) { | |
| console.log("creating a new game, none available"); | |
| GameCollection.update({players: userId}, {$set: {current: false}}, {multi: true}); | |
| GameCollection.insert({players: [userId], active: false, finished: false, current: true}); | |
| } else { | |
| if (_.contains(gameWaiting.players, userId)) { | |
| console.log("Cannot play with yourself. But you can stay waiting in the game.") | |
| } else { | |
| console.log("connecting with an existing waiting player"); | |
| GameCollection.update({_id: gameWaiting._id}, {$set: {active: true}, $push: {players: userId}}); | |
| } | |
| }; | |
| leaveGames = function(userId) { | |
| console.log("leaving all unfinished games"); | |
| GameCollection.remove({$and: [{players: userId, players: {$size: 1}}]}); | |
| var games = GameCollection.find({$and: [{players: userId, active: true}]}); | |
| games.forEach(function(game) { | |
| GameCollection.update({_id: game._id}, {$set: {active: false, finished: true}}); | |
| }) | |
| }; | |
| Meteor.publish('myGames', function() { | |
| if (!this.userId) { | |
| console.log('MyGames Un-Publish'); | |
| //return []; | |
| this.ready(); | |
| } else { | |
| console.log('MyGames Publish: U-'+this.userId); | |
| return GameCollection.find({players: this.userId}); | |
| } | |
| }); | |
| } |
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| allocateGame = function(userId) { | |
| var gameWaiting = GameCollection.findOne({players: {$size: 1}}); | |
| if (!gameWaiting) { | |
| console.log("creating a new game, none available"); | |
| GameCollection.update({players: userId}, {$set: {current: false}}, {multi: true}); | |
| GameCollection.insert({players: [userId], active: false, finished: false, current: true}); | |
| } else { | |
| if (_.contains(gameWaiting.players, userId)) { | |
| console.log("Cannot play with yourself. But you can stay waiting in the game.") | |
| } else { | |
| console.log("connecting with an existing waiting player"); | |
| GameCollection.update({_id: gameWaiting._id}, {$set: {active: true}, $push: {players: userId}}); | |
| } | |
| }; |
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| leaveGames = function(userId) { | |
| console.log("leaving all unfinished games"); | |
| GameCollection.remove({$and: [{players: userId, players: {$size: 1}}]}); | |
| var games = GameCollection.find({$and: [{players: userId, active: true}]}); | |
| games.forEach(function(game) { | |
| GameCollection.update({_id: game._id}, {$set: {active: false, finished: true}}); | |
| }) | |
| }; |
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| Meteor.publish('myGames', function() { | |
| if (!this.userId) { | |
| console.log('MyGames Un-Publish'); | |
| //return []; | |
| this.ready(); | |
| } else { | |
| console.log('MyGames Publish: U-'+this.userId); | |
| return GameCollection.find({players: this.userId}); | |
| } | |
| }); |
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