multiplayer

  1. Gravityhamster48

    Waveslash - Minimalist Pixel Art Fighter

    Waveslash is my upcoming fighting game about dashing into your opponent to slash them to pieces. Features: 1 - 4 Player Versus Battle 4 Stages Play against your friends or the AI Keyboard+Mouse and X-Box Controller Support Customizable Controls On the Workbench: Arcade Mode Fight AI...
  2. Z

    Legacy GM Can't get GMnet Engine to work.

    Hey, i'm trying to add GMnet into an existing Game. I've read this manual (https://gmnet-engine.org/manual/engine/) and followed all steps. GMnet PUNCH is not enabled. I'm able to create a server with port 6510. everything is fine untill i try to connect with a client. both instances get an...
  3. S

    Developing on windows, exporting to Mac

    I'm making a game on a windows machine, but I'd like to export to Mac. I have a license that should allow me to do so, but when I export on my machine it automatically makes it a windows-only version. I tried installing GMS2 on the Mac I have access to, moving the project to that computer, and...
  4. Infernobomb

    SOLVED Setting up multiplayer with Steamworks using Steamworks.gml by YellowAfterlife

    I have a multiplayer game using Gamemaker Studio 1.4 with the 39dll, but am hoping to change over to Steamworks using the Steamworks.gml extension. I have downloaded the repo and following the instructions have tried importing the extension, but whenever I try and compile the project I get this...
  5. DrNegative15

    GMS 2 Issues with 'Movement and Collision with Multiple Moving Objects'

    Issue 1: Order of instance code execution affects movement behavior. Visual Aid for Issue 1: Scenario: 4 block instances are lined up one directly behind another and all are going to move together in the same direction. First they will all be moving to the right. (left side of...
  6. F

    Legacy GM (Gamemaker 8.1) How to make a multiplayer character select?

    How can I make a multiplayer character select in which one player host a game, others joins then everyone must select a character to start and they cannot select the same character
  7. solarcrispz

    GMS 2 Attempting to write outside buffer, line -1?

    Hey guys I've been putting together a multiplayer game with pretty good success. I've encountered "attempting to read from outside buffer, returning 0" errors before, but they're never as ambiguous as the one I'm consistently running into recently. Here it is: FATAL ERROR in action number 1 of...
  8. P

    Facebook Instant Chess Networking

    Hi to all. I have a big problem regarding networking and hope community can help. We made a chess game and we want to publish it as a Facebook Instant game. We have managed to do a little basic PC to PC, Android to Android, and Android to PC connection. The problem is HTML5 networking. We...
  9. C

    GMS 2.3+ Async atomocity?

    I am making a multiplayer game. Client #1 is constantly scanning for instances of object X. Client #2 asynchronously destroys one of those instances after it was already read on client 1. Then I get an undefined error when trying to reference it because that pointer obviously points to a...
  10. K

    GML Im making multiplayer game, but i dont know how to make that players would have moving sprites.

    I did all other things, but i only dont know how to make other players have sprite when they are moving? I can send project if you want. I did everythink like in this tutorial(there ), with some tweaks, but they dont matter:
  11. huenix

    Multiplayer Player Specific Objects/Layers with Networking Server Client issues....

    Hello..... i am making a multiplayer board game or sorts. What is done/working: -server/client buffers passed back/forth between each player (movement, sprites, etc) What I can't figure out and trying to do: -Player "A" and "B" are standing next to each other, both next to a room, with a...
  12. TheRudolfGaming

    SOLVED Client connecting to the server doesn't see already connected clients.

    Hello. I am currently in the foundation phase of a making a game with multiplayer functionality. But currently I've hit a speed bump and been unable to fix it for the last 3 days. I've made an non-dedicated multiplayer system, where one player hosts the game, and others connect. (Host will...
  13. A

    Second client crash in multiplayer

    I can't figure out why the second client on the server doesn't get the data in the buffer. Error: illegal undefined/null use I'm trying to query the coordinates and status of the player
  14. KyleRansford

    SOLVED Controller Input Using Object Variables Issue

    Can anyone tell me why this isn't working properly? I have made a Player Controller Input object o_input, o_inputP2, o_inputP3 & o_inputP4 with a menu Switch statement so each player can actually choose what slot their controller will be in. I have different modes the menus work in, but this...
  15. kroart

    Released Battle for Hexagon - simple abstract strategy [Android/iOS]

    Battle for Hexagon - it's an abstract logical turn-based strategy game. It has simple rules but still provides you a strategic challenge. You can play with an AI or online with other players. Key features: Simple rules Clear visual style Random map generator Multiplayer battles Different game...
  16. Bulldrome

    Local Multiplayer Help

    Hello I'm nearly finished with this little space ship arena game I've been working on and I just need to implement local multiplayer and I'll be just about done. I currently have 4 ships each with 4 colors set up on a character select screen of sorts but I need help setting up the controls for...
  17. D

    GMS 2 Losing connection after changing levels

    Like the title says, both players lose connection when I change rooms. Before hand, I'm new to networking and I'm spawning both of them on a setup room to verify if both players are working correctly. However, going to the first level makes the buffers not reach the host and the clients. I've...
  18. Alex

    Windows Detritus WIP [BETA, Turn-Based Online MP]

    For the past month or so I have been working on a turn-based platformer with a destructible terrain, much like the original Worms (1995). I wanted to create a small game which had online multiplayer capabilities, a game that does not require an account to play online. I originally had the idea...
  19. KyleRansford

    GMS 2 How to "Reserve" a Controller Slot for Player 1?

    I have my game setup where if there are more than 1 player, they can each use a controller. But, how would I "reserve" a controller slot for player 1? Since the way I currently have it working is, that in 1 player mode, the 1st player can use either the keyboard OR a controller. But, because of...
  20. Pelican Police

    Multiplayer with no portforwarding or server. Only two or more clients directly connecting to each other

    So after seeing that other topic, I decided to test UDPHP. TL;DR, you can circumvent the need for a server if you just connect two sockets together. And holy crap, it works... 99% of the time... But what I'd love help with, is checking how often this works in the real world. Because there's no...
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