serverless-websockets-quest
ably-control-api-action
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serverless-websockets-quest | ably-control-api-action | |
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5 | 2 | |
8 | 2 | |
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0.0 | 0.0 | |
7 months ago | 6 months ago | |
TypeScript | JavaScript | |
Apache License 2.0 | Apache License 2.0 |
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serverless-websockets-quest
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One year at Ably as a Developer Advocate
Live demo
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Using serverless WebSocksets with Azure Functions & Durable Entities
Hi all, I created a web app (ADnD style mini game) recently to demonstrate how to use serverless WebSockets (Ably) and combine it with Azure Functions to send realtime updates to the client (based on VueJS and hosted on Azure Static Web Apps). The Azure Functions use Durable Entities (part of Durable Functions) to store a centralized game state, and as soon as the state is updated the clients are notified of this change. Full blog post is here, the game can be played here, and you can have look at the code on GitHub.
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Quest for serverless WebSockets, an adventure with Azure Functions & Durable Entities
[JsonObject(MemberSerialization.OptIn)] public class GameState : IGameState { // Only showing the class members relevant for this blog section. // For the full implementation see https://github.com/ably-labs/serverless-websockets-quest/blob/main/api/Models/GameState.cs [JsonProperty("questId")] public string QuestId { get; set; } [JsonProperty("phase")] public string Phase { get; set; } public async Task InitGameState(string[] gameStateFields) { QuestId = gameStateFields[0]; Phase = gameStateFields[1]; await _publisher.PublishUpdatePhase(QuestId, Phase); } [JsonProperty("players")] public List PlayerNames { get; set; } public async Task AddPlayerName(string playerName) { if (PlayerNames == null) { PlayerNames = new List { playerName }; } else { PlayerNames.Add(playerName); } if (IsPartyComplete) { await UpdatePhase(GamePhases.Play); await Task.Delay(2000); await AttackByMonster(); } } public async Task UpdatePhase(string phase) { Phase = phase; await _publisher.PublishUpdatePhase(QuestId, Phase); } private async Task AttackByMonster() { var playerAttacking = CharacterClassDefinitions.Monster.Name; var playerUnderAttack = GetRandomPlayerName(); var damage = CharacterClassDefinitions.GetDamageFor(CharacterClassDefinitions.Monster.CharacterClass); await _publisher.PublishPlayerAttacking(QuestId, playerAttacking, playerUnderAttack, damage); await Task.Delay(1000); var playerEntityId = new EntityId(nameof(Player), Player.GetEntityId(QuestId, playerUnderAttack)); Entity.Current.SignalEntity(playerEntityId, proxy => proxy.ApplyDamage(damage)); await Task.Delay(1000); var nextPlayerName = GetNextPlayerName(CharacterClassDefinitions.Monster.Name); await _publisher.PublishPlayerTurnAsync(QuestId, $"Next turn: {nextPlayerName}", nextPlayerName); } }
ably-control-api-action
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One year at Ably as a Developer Advocate
GitHub repo
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Infrastructure as Code: Manage apps using the Ably Control API GitHub Action
For a full description of the Control API Action please see the project README.
What are some alternatives?
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toolkit - The GitHub ToolKit for developing GitHub Actions.
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collaborative-pixel-drawing - A collaborative pixelart drawing carnvas to demonstrate pub/sub using Ably or Azure WebPubSub.
serverless-workflow-visualizer - Web application that uses Ably to visualize the progress of a serverless workflow.
ably-cli
vscode-ably - VSCode extension that allows management of Ably apps