Questions tagged [multiplayer]

Played by multiple players, cooperatively or competitively, locally or remotely.

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14 views

What's a very fast and simple way to create a multiplayer online text-based game? [closed]

I’m working on a multiplayer online game and I need to know which tools to use and how to use them to accomplish certain tasks. The project is about creating sustainable multiparty agreements between ...
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26 views

How to build a multiplayer game using nodejs and socket.io in unity? [closed]

I don't have any experience on developing multiplayer games. I know c# and unity, but I don't have any experience on java or Json. I've recently watched a tutorial on making a multiplayer game using ...
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21 views

How to develop both a client and headless server together in Unity

I'm making a multiplayer 2d shooter platformer in unity. And after studying the different options to program an authoritarian server and with the great help that many of you have already provided me ...
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27 views

Box2d on authoritative server for Unity client

I'm creating a multiplayer platform and shooting game in unity, using unity2d's own physics system (box2d). But the truth is that I am quite lost in the creation of an authoritative server in c ++. I ...
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1answer
37 views

Online multiplayer. Provoke lagged move on local player

I am developing an online multiplayer 2D videogame with Unity as a client and a server programmed in c ++. I do the synchronization of movement through an interpolation so that the movement is ...
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2answers
58 views

UE4 MULTIPLAYER: how to Control Multiple Pawns without possesing them (RTS style)?

I am making a multiplayer RTS but I have a problem controlling spawned units (let's call them Vessels), specifically moving them around with AI MoveTo bp. Vessels ...
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69 views

How do multiplayer servers handle receiving, handling, and sending packets?

I want to make a fighter jet simulator game. The server (authoritative) and client communicate over udp. The server sends out updates about the gamestate at a fixed rate. Think of plane positions, ...
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55 views

Game server multiplayer architecture

I'm planning to build a big browser multiplayer game with gameplay very similar to agar.io but rpg. Game will be containing rooms as It's done in agar.io. 50-100 players max per room. Realtime. 10ms ...
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25 views

How can I support direct P2P for mobile devices?

I'm Interested in two or more player co-op in Godot, via direct P2P without connection to a central server. I have this idea that would utilize two smartphones in proximity to one another. I don't ...
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29 views

How to make my multiplayer Air Hockey better?

I've made simple multiplayer web game but don't like how it works. Here's a video example (captured at 85 avg ping) showing what I have. What I used: Super naive client prediction - called so because ...
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1answer
63 views

Difference between [P2P] Relay Servers and Dedicated Game Servers?

I came across this unity Unity conference video on buillding multiplayer games https://www.youtube.com/watch?v=CuQF7hXlVyk Form, this image we can see there are 3 P2P methods and 1 Direct client ...
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1answer
52 views

UE4 Blueprint Multiplayer Spawning Issue

I'm attempting to copy/modify the MultiplayerShootout project's multiplayer functionality for my own project. I'm running into issues when Player 2 joins a running session though. Finding it very hard ...
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1answer
49 views

Assigning values on multiple clients in UE4

I am currently working on a multiplayer game and I am having difficulties on assigning values on variables for each clients. Originally I looped through available clients character from HUD then ...
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1answer
63 views

How do I connect Unity to a server backend developed in .net core?

I'm currently running to a wall in my game development and I need now some discussion to clear my mind... In my mind I have a plan for some little online game (focused around clicking and idling), ...
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2answers
54 views

Multiplayer tile based movement collisions cause client prediction to fail

I am developing a tile-based online multiplayer game, but I am stuck. Players can move across the grid in the four cardinal directions, as can enemies, but two players/enemies cannot occupy the same ...
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37 views

Multiplayer game server headerless (Unreal/Unity) vs Custom Maps

I've been pondering about different approaches that a multiplayer game server can be managed and programmed. For instance some of the big engines like UE4 & Unity provide a 'build' flag that can ...
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207 views

How to build multiplayer games for android? [closed]

I'd like to know how to build android multiplayer games but I'm struggling to find a step-by-step or good resources on this topic. My main questions is which engine and api to use? I'd like to achieve ...
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39 views

Making a 'Darkvision' Mechanic for a Unity C# Game, Not Sure Where to Start

I am endeavoring to make a small multiplayer dungeon crawler and would like to introduce a mechanic like 'Darkvision' from table-top RPGs. The desired effect would be that where there is some ...
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1answer
263 views

How could you use mirror in unity to network across multiple networks rather than only LAN (Port Forwarding?)

I've been working on a game for my friends and I to play during quarantine but I can't figure out or find any information on networking using mirror. Everything I see gives vague answers to even ...
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28 views

UE4 tips how to handle Minigolf Multiplayer

Heyo! I'm doing a Minigolf multi-player game right now. What I couldn't figure out by now is how to set up the game logic of the actual game. So where to keep track of all players being in bounds, ...
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1answer
31 views

how do you get pygame to register multiple key presses at the same time

every time i try to operate player one and two or try to use the pickup key it stops the players.plz help here is my code- ...
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1answer
45 views

Multiplayer network architecture - why do we need to verify local movements?

I'm messing around with a 2D game using UDP. I've read some books and articles on the logic of a dedicated server to clients multiplayer game and I can't wrap my head around one thing: What I've read:...
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1answer
60 views

What is the best time to implement Multiplayer system?

I have been starting a new online multiplayer game project this week and as the title says - Is it better to implement the Multiplayer feature right away, or is it ok to implement it when the game ...
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1answer
426 views

In the new InputSystem of Unity, how to detect the keyboard and the mouse “as the same input device”?

I'm trying to use the PlayerInputManager of the new InputSystem (preview 7) and my keyboard and mouse are being detected as separate devices. I'm not saying that it is wrong, but it is not useful at ...
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1answer
314 views

Multithreaded design for a game server

I would like to start developing my own game. Basically, the game has a "world" that players can travel around and modify. Think of it as a much more realistic version of Minecraft or an open world ...
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43 views

Client-side Prediction Divergence with Input Packets and Time Differences | Multiplayer FPS

I am running into a problem while implementing client-side prediction in my multiplayer FPS. I'm not entirely sure if I've completely and correctly understood the concepts. I have read the articles ...
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2answers
172 views

How to load additive scenes to the master client, per player, in unity using photon?

I have already successfully created a multiplayer scene where multiple users can join, however there are some issues like unity not allowing multiple sound listeners per scene. In order to alleviate ...
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1answer
100 views

TCP vs. Reliable UDP? Sending Reliable Packets in Fast-paced Multiplayer Games?

I'm currently working on a networking framework for Unity3D in order to simplify making multiplayer games. I'm using UDP for any kind of synchronisation and unimportant data. My question is: how do ...
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168 views

Real-time multiplayer game and Node.JS as backend server

I want to build a real-time multiplayer game (just for fun and not making money from it) with Unity3D engine. I planned to use Node.JS as backend server but should I use websocket to update player's ...
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22 views

conversion between world space and screen space

I am making a multiplayer game with gravity mechanics and planetary motion. I started by hard coding coordinates according to canvas size but now I am realizing that for different resolution planet ...
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0answers
128 views

PUN2 > Displaying all players' HP to a single pannel of a UI

I've set up a scoreboard-like UI to display all players' in the room as shown in the capture above. What I'd like to do is to display each player's own status info - Life amount as of now then ...
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34 views

In Unity, how to hide objects from specific cameras without using Layers

The situation is that there are multiple players that can collect items. When a player collects an item, the item will disappear from that player's screen but still be visible to other players. I know ...
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1answer
55 views

Find nearby users by real world location in Unity

I am looking to add a feature to my mobile game (IOS and Android) to let users connect to trade with users nearby in a certain radius based on the real world geolocation. Whats the best approach to ...
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1answer
55 views

How to make it so that players can only see one specific player but not the others?

I'm developing an educational game whose main mechanics are not multiplayer-oriented. However, I would like to add a feature that allows the teacher to enter the game and all students can see him, but ...
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0answers
20 views

Client projectile ignores camera Y-axis in multiplayer shooter

I'm able to spawn the bullet and make it move. But the problem is, only the host can shoot the bullet in the way the camera is facing(takes both X-axis and Y-axis correctly). The client takes only the ...
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64 views

How should I cycle my game to be more scalable?

I'm trying to improve my game emulator so it can handle more users. I currently have one separate thread and execute all processing there. The cycles processes players and rooms, rooms are individual ...
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2answers
93 views

Getting user id from one scene then to the next scene

I'm new to multiplayer and photon so pardon me if this question is somewhat frequent. I have successfully set up my project to start from a main menu - waiting room - actual gameplay scene. However I ...
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79 views

Does StreamPeerTCP guarantee received packet is same from server?

I'm making simple Godot project that works with Node.js server. To receive and send packet to Node.js server, I used StreamPeerTCP. First seems works, but after 2nd transmission from server, extract ...
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25 views

Is It Possible To Make Matchmaking System Without Server? [duplicate]

I want to make a matchmaking system without a server, but I don't know much about matchmaking. First, let me list what I want to do: Cheating is not important in the game, so that the architecture ...
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1answer
867 views

UE4 Multiplayer how to replicate Player name in lobby

I've been working on a little 1V1 snipper project to try and get a better grip on the replication and the game framework of unreal engine. So after the core gameplay, I'm trying to make a lobby ...
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0answers
71 views

Which elements make some maps in multiplayer FPS games more fun than others? [closed]

I'm working on a sci-fi multiplayer FPS game, and am currently designing maps with layout influences from the 2015 Star Wars: Battlefront game and from the original Halo CE game, as those games have ...
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1answer
210 views

Does P2P Matchmaking can make an online game without any cost?

I’m planning on making an online game. I’ve used Unity (with Photon’s PUN2), but after some research, I had the idea of instead of using a server, with ccu limit and charge fees, i could make a P2P ...
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0answers
43 views

Sidecar Processes in Unity?

I'm a .NET Core web developer trying to learn Unity. In web development, if I want to perform more than one domain function at a time, I either want to run it as a totally separate service (disjointed/...
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1answer
136 views

MMO Client-Server Spoofing Vulnerabilities

Ive created a working authoritative client-server system using LiteNetLib for my game however im wondering if packet sniffing+modification is a real worry i should be developing for. I read some ...
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1answer
68 views

Prevent replay attacks on multiplayer character movement

When a client first connects to the server a Diffie-Hellman key exchange occurs to securely get private encryption keys to encrypt all packets. The problem comes in: what if someone sniffing packets ...
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0answers
49 views

Interpolation on Client Between Server States

I have an authoritative server which is sending position data to client every 100 ms. Ping between client and server is about 70 ms.(which is actually a variable) I have few questions regarding to ...
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97 views

Cost of Unity Local Multiplayer VS Unity Online Multiplayer

I know that making multiplayer games in Unity costs money because of the servers that are used in connecting the players. So basically its free upto 20 CCU and then it increases as per the CCU. Its ...
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183 views

Communication Between Client and Seperate host Unity Unet

I building a realtime multiplayer game like a small quiz game that players can able to join the game and then quiz master who handling the host will launch the game. I need to that how to do this ...
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1answer
109 views

How to handle MANY enemies in networked P2P game?

Let's suppose a game of 4 players, one is the host. They will fight many enemies, along the lines of 20-40 at the time. Among other things like sending their own state to the other players (position, ...
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1answer
59 views

Avoid players getting stuck by placing items in the same place

Let's assume a multiplayer game of two players. These two players have to place six elements at six different positions. The order or exact place does not matter. As the items are placed correctly, ...

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