{"action":"created","issue":{"url":"https://api.github.com/repos/deepdrive/deepdrive/issues/14","repository_url":"https://api.github.com/repos/deepdrive/deepdrive","labels_url":"https://api.github.com/repos/deepdrive/deepdrive/issues/14/labels{/name}","comments_url":"https://api.github.com/repos/deepdrive/deepdrive/issues/14/comments","events_url":"https://api.github.com/repos/deepdrive/deepdrive/issues/14/events","html_url":"https://github.com/deepdrive/deepdrive/issues/14","id":322192009,"number":14,"title":"Multiplayer ability","user":{"login":"akhil22","id":7940206,"avatar_url":"https://avatars3.githubusercontent.com/u/7940206?v=4","gravatar_id":"","url":"https://api.github.com/users/akhil22","html_url":"https://github.com/akhil22","followers_url":"https://api.github.com/users/akhil22/followers","following_url":"https://api.github.com/users/akhil22/following{/other_user}","gists_url":"https://api.github.com/users/akhil22/gists{/gist_id}","starred_url":"https://api.github.com/users/akhil22/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/akhil22/subscriptions","organizations_url":"https://api.github.com/users/akhil22/orgs","repos_url":"https://api.github.com/users/akhil22/repos","events_url":"https://api.github.com/users/akhil22/events{/privacy}","received_events_url":"https://api.github.com/users/akhil22/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":2,"created_at":"2018-05-11T07:11:53Z","updated_at":"2018-05-11T21:28:48Z","closed_at":null,"author_association":"NONE","body":"Hi,\r\nI was wondering how difficult is to have multiple instances of the simulator running on different machine (something like a multiplayer game). With shared scenes and each vehicle is simulated on a single machine. "},"comment":{"url":"https://api.github.com/repos/deepdrive/deepdrive/issues/comments/388490478","html_url":"https://github.com/deepdrive/deepdrive/issues/14#issuecomment-388490478","issue_url":"https://api.github.com/repos/deepdrive/deepdrive/issues/14","id":388490478,"user":{"login":"crizCraig","id":181225,"avatar_url":"https://avatars1.githubusercontent.com/u/181225?v=4","gravatar_id":"","url":"https://api.github.com/users/crizCraig","html_url":"https://github.com/crizCraig","followers_url":"https://api.github.com/users/crizCraig/followers","following_url":"https://api.github.com/users/crizCraig/following{/other_user}","gists_url":"https://api.github.com/users/crizCraig/gists{/gist_id}","starred_url":"https://api.github.com/users/crizCraig/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/crizCraig/subscriptions","organizations_url":"https://api.github.com/users/crizCraig/orgs","repos_url":"https://api.github.com/users/crizCraig/repos","events_url":"https://api.github.com/users/crizCraig/events{/privacy}","received_events_url":"https://api.github.com/users/crizCraig/received_events","type":"User","site_admin":false},"created_at":"2018-05-11T21:28:48Z","updated_at":"2018-05-11T21:28:48Z","author_association":"COLLABORATOR","body":"Hi @akhil22. So we have a synchronous mode in a [this branch](https://github.com/deepdrive/deepdrive-sim/tree/stepping) of the sim. In Unreal 4.14, the version Deepdrive currently uses, you will see some weirdness in the viewer, but the cameras still render fine. This is fixed in 4.18/4.19 which we will update to next release. \r\n\r\n@dnsmernst will know better - but some [barrier](https://en.wikipedia.org/wiki/Barrier_(computer_science)) on clients in the game [server](https://wiki.unrealengine.com/Networking/Replication#Creating_a_server) would accomplish the centralized stepping you did in Unity. We'd also want a timeout to keep the frame rates sane especially as the number of agents increases. It feels like replication should handle a lot of that for you - perhaps through the help of something like [RepNotify](https://docs.unrealengine.com/en-us/Resources/ContentExamples/Networking/1_4). "}}
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