# \#check

**URL:** https://forums.unrealengine.com/tag/check/5457.md

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## [Check if user's PC is Ray Tracing capable?](https://forums.unrealengine.com/t/check-if-users-pc-is-ray-tracing-capable/474503)

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**Author:** [@Miguel1900](https://forums.unrealengine.com/u/Miguel1900)\
**Replies:** 4\
**Last updated:** [January 20, 2025, 3:34pm UTC](https://forums.unrealengine.com/t/check-if-users-pc-is-ray-tracing-capable/474503 "2025-01-20T15:34:24Z")

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Hi all! I have tried asking on forums, with no success, so I’m looking for your help here, please. I would want to know if there is a way to check if the user’s PC is RT capable/compatible, and use it as a boolean. Thi…

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## [Check location inside radius or capsule](https://forums.unrealengine.com/t/check-location-inside-radius-or-capsule/2063971)

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**Author:** [@Nizami\_Nz](https://forums.unrealengine.com/u/Nizami_Nz)\
**Replies:** 1\
**Last updated:** [October 11, 2024, 8:04pm UTC](https://forums.unrealengine.com/t/check-location-inside-radius-or-capsule/2063971 "2024-10-11T20:04:35Z")

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In my game, I needed to check whether (Location) was inside (Capsule or Sphere). I’m just posting the answer here because I couldn’t find any information on the Internet or on the forum. Copy code here:

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## [How to check if player has a specific material on him?](https://forums.unrealengine.com/t/how-to-check-if-player-has-a-specific-material-on-him/391802)

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**Author:** [@anonymous\_user\_d614ed46](https://forums.unrealengine.com/u/anonymous_user_d614ed46)\
**Replies:** 1\
**Last updated:** [April 24, 2017, 8:30pm UTC](https://forums.unrealengine.com/t/how-to-check-if-player-has-a-specific-material-on-him/391802 "2017-04-24T20:30:47Z")

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So I want to check if my player has an “invisible” material. If he does then (for example ) print the string.

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## [Use checks in shipping build, without modifying .Target.cs file](https://forums.unrealengine.com/t/use-checks-in-shipping-build-without-modifying-target-cs-file/493615)

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**Author:** [@bo0olean](https://forums.unrealengine.com/u/bo0olean)\
**Replies:** 2\
**Last updated:** [November 19, 2023, 7:46am UTC](https://forums.unrealengine.com/t/use-checks-in-shipping-build-without-modifying-target-cs-file/493615 "2023-11-19T07:46:44Z")

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Hello, I want to enable check() in shipping builds. The current way to do this is by modifying project’s Target.cs file like //Project.Target.cs if (Configuration == UnrealTargetConfiguration.Shipping) { BuildEnvir…

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## [Check if dlc is owned - STEAM](https://forums.unrealengine.com/t/check-if-dlc-is-owned-steam/453378)

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**Author:** [@anonymous\_user\_348f3650](https://forums.unrealengine.com/u/anonymous_user_348f3650)\
**Replies:** 4\
**Last updated:** [February 10, 2023, 2:52pm UTC](https://forums.unrealengine.com/t/check-if-dlc-is-owned-steam/453378 "2023-02-10T14:52:42Z")

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Anyone has a solution to implement a check to see if a player owns a specific dlc? It seems like a SteamApps()-\>BIsDlcInstalled(DLCAppID) check in the Steam api i needed, but I have found many threads and it seems no on…

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## [How to detect assets import via python?](https://forums.unrealengine.com/t/how-to-detect-assets-import-via-python/487703)

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**Author:** [@Hansyuan\_Nb](https://forums.unrealengine.com/u/Hansyuan_Nb)\
**Replies:** 0\
**Last updated:** [August 20, 2021, 10:07am UTC](https://forums.unrealengine.com/t/how-to-detect-assets-import-via-python/487703 "2021-08-20T10:07:09Z")

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HI, I’d like to know is there a way to detect an asset imported from user. For example, if an user drag an image into engine, the python script will notice and change some settings. Thank you

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## [WWZ DID NOT KEEP ADVANCE FOR 2 DAYS, CAN IT BE SOLVED?](https://forums.unrealengine.com/t/wwz-did-not-keep-advance-for-2-days-can-it-be-solved/463123)

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**Author:** [@FacundoRoscoe](https://forums.unrealengine.com/u/FacundoRoscoe)\
**Replies:** 0\
**Last updated:** [March 31, 2020, 1:04pm UTC](https://forums.unrealengine.com/t/wwz-did-not-keep-advance-for-2-days-can-it-be-solved/463123 "2020-03-31T13:04:07Z")

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WWZ DID NOT KEEP ADVANCE FOR 2 DAYS, CAN IT BE SOLVED? ALREADY SYNCHRONIZE WITH THE CLOUD AND CHECK THE GAME. THANKS WWZ NO GUARDO EL AVANCE DURANTE 2 DIAS, SE PUEDE SOLUCIONAR? YA SINCRONICE CON LA NUBE Y VERIFIQUE E…

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## [Distance \> 1e-7 | Does anyone know this error message?](https://forums.unrealengine.com/t/distance-1e-7-does-anyone-know-this-error-message/458166)

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**Author:** [@IanMo13](https://forums.unrealengine.com/u/IanMo13)\
**Replies:** 3\
**Last updated:** [November 21, 2019, 7:43pm UTC](https://forums.unrealengine.com/t/distance-1e-7-does-anyone-know-this-error-message/458166 "2019-11-21T19:43:31Z")

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Hello, can I temporarily turn off the chaos physic? When I play the game from time to time comes this error and the game crashes

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## [How can i detect if someone shoots?](https://forums.unrealengine.com/t/how-can-i-detect-if-someone-shoots/453677)

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**Author:** [@halobungie](https://forums.unrealengine.com/u/halobungie)\
**Replies:** 5\
**Last updated:** [August 11, 2019, 8:06pm UTC](https://forums.unrealengine.com/t/how-can-i-detect-if-someone-shoots/453677 "2019-08-11T20:06:48Z")

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Hello, i have a Question: how can i check if a NPC did shoot in the Level? Because if someone shoots then all other NPC’s should flee. How this NPC’s can flee this is clear for me but the Check: if someone shoots in th…

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## [Checkf() and "Formatting string must be a TCHAR array"](https://forums.unrealengine.com/t/checkf-and-formatting-string-must-be-a-tchar-array/422286)

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**Author:** [@Da\_Stranger](https://forums.unrealengine.com/u/Da_Stranger)\
**Replies:** 2\
**Last updated:** [February 25, 2019, 6:40pm UTC](https://forums.unrealengine.com/t/checkf-and-formatting-string-must-be-a-tchar-array/422286 "2019-02-25T18:40:16Z")

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4.19 Introduced an error in this code, which previously compiled: FString a = TEXT("any text"); checkf(false, \*a); What options do I need to use to make this work?

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## [How do I check if a certain Skeletal Mesh is being used before Doing something](https://forums.unrealengine.com/t/how-do-i-check-if-a-certain-skeletal-mesh-is-being-used-before-doing-something/440445)

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**Author:** [@MrItalianDreamer](https://forums.unrealengine.com/u/MrItalianDreamer)\
**Replies:** 0\
**Last updated:** [January 2, 2019, 4:43am UTC](https://forums.unrealengine.com/t/how-do-i-check-if-a-certain-skeletal-mesh-is-being-used-before-doing-something/440445 "2019-01-02T04:43:59Z")

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For an example of what I’m trying to accomplish, Checking if a Skeletal Mesh is being used before setting the max walk speed.

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## [How do I check if pawn is alive in blueprint](https://forums.unrealengine.com/t/how-do-i-check-if-pawn-is-alive-in-blueprint/289002)

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**Author:** [@Hallonsaft](https://forums.unrealengine.com/u/Hallonsaft)\
**Replies:** 11\
**Last updated:** [October 22, 2018, 4:13am UTC](https://forums.unrealengine.com/t/how-do-i-check-if-pawn-is-alive-in-blueprint/289002 "2018-10-22T04:13:24Z")

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How do I, after I’ve spawn a wave of bots, check if they are dead or alive, or rather destroyed? . Below is how I’ve set up the spawning, I want to be able to check if the bots are dead as to create another wave of …

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## [Check Forward Running](https://forums.unrealengine.com/t/check-forward-running/426813)

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**Author:** [@anonymous\_user\_eed3572e](https://forums.unrealengine.com/u/anonymous_user_eed3572e)\
**Replies:** 12\
**Last updated:** [June 9, 2018, 1:28pm UTC](https://forums.unrealengine.com/t/check-forward-running/426813 "2018-06-09T13:28:58Z")

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So, Im running a check where I can only sprint when Im moving forward And it works just perfectly fine but when I first press shift(sprint) and then W it doesn\`t go into sprinting anymore.

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## [Trying to spawn after all objects are gone](https://forums.unrealengine.com/t/trying-to-spawn-after-all-objects-are-gone/402701)

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**Author:** [@Neil\_London](https://forums.unrealengine.com/u/Neil_London)\
**Replies:** 2\
**Last updated:** [August 24, 2017, 7:50am UTC](https://forums.unrealengine.com/t/trying-to-spawn-after-all-objects-are-gone/402701 "2017-08-24T07:50:09Z")

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I’ve been at this for a few days now. I’m creating a pinball game and want a multi ball feature. Basically after you hit a multiplier number, in my case x3, it spawns an extra ball into play so you have 2 balls on the ta…

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## [How do i check if a matinee has finished through level blueprint](https://forums.unrealengine.com/t/how-do-i-check-if-a-matinee-has-finished-through-level-blueprint/328821)

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**Author:** [@ViceVersa](https://forums.unrealengine.com/u/ViceVersa)\
**Replies:** 3\
**Last updated:** [April 24, 2017, 1:28pm UTC](https://forums.unrealengine.com/t/how-do-i-check-if-a-matinee-has-finished-through-level-blueprint/328821 "2017-04-24T13:28:36Z")

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im trying to make a simple death sequence for when my player runs out of health. im having the screen fade to red over 5 seconds in the matinee. When that starts, i disable the movement and look controls. After those …

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## [How to check if Text value is an Integer?](https://forums.unrealengine.com/t/how-to-check-if-text-value-is-an-integer/390895)

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**Author:** [@hypersapien](https://forums.unrealengine.com/u/hypersapien)\
**Replies:** 5\
**Last updated:** [April 14, 2017, 3:50pm UTC](https://forums.unrealengine.com/t/how-to-check-if-text-value-is-an-integer/390895 "2017-04-14T15:50:55Z")

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So I have a widget which contains a Text Box. The intention is for the player to edit the value in the Text Box, which will update an Integer value stored elsewhere. I’m finding my blueprint breaks if the player enters…

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## [is VR enabled?](https://forums.unrealengine.com/t/is-vr-enabled/359010)

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**Author:** [@ronaldk](https://forums.unrealengine.com/u/ronaldk)\
**Replies:** 2\
**Last updated:** [February 16, 2017, 1:55am UTC](https://forums.unrealengine.com/t/is-vr-enabled/359010 "2017-02-16T01:55:19Z")

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Is there a way (via blueprints) to check if VR is running? I’m trying to, on level load, check if you are using a vr device and if so, load the appropriate player. (either vr or fps) please help?

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## [How can i check if a destructable mesh was destroyed through blueprints](https://forums.unrealengine.com/t/how-can-i-check-if-a-destructable-mesh-was-destroyed-through-blueprints/328824)

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**Author:** [@ViceVersa](https://forums.unrealengine.com/u/ViceVersa)\
**Replies:** 7\
**Last updated:** [August 19, 2016, 8:00pm UTC](https://forums.unrealengine.com/t/how-can-i-check-if-a-destructable-mesh-was-destroyed-through-blueprints/328824 "2016-08-19T20:00:50Z")

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I have this turret in my game, and it has a destructable mesh component so it will explode if it is shot at by the player. I have the turret set up to shoot at the player once every second. However, after the player de…

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## [Check box is not keeping checked.](https://forums.unrealengine.com/t/check-box-is-not-keeping-checked/364169)

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**Author:** [@anon71236692](https://forums.unrealengine.com/u/anon71236692)\
**Replies:** 5\
**Last updated:** [July 18, 2016, 6:46pm UTC](https://forums.unrealengine.com/t/check-box-is-not-keeping-checked/364169 "2016-07-18T18:46:37Z")

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So I have a main widget with button that create the option widget with the check box and when I check the box and go back to the main widget and press again to go to the option widget the check box is no longer checked. …

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## [check variable](https://forums.unrealengine.com/t/check-variable/329995)

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**Author:** [@anonymous\_user\_28ca7d86](https://forums.unrealengine.com/u/anonymous_user_28ca7d86)\
**Replies:** 3\
**Last updated:** [May 22, 2016, 2:05am UTC](https://forums.unrealengine.com/t/check-variable/329995 "2016-05-22T02:05:16Z")

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Hi,is there a way to check , the actor type variables is null (empty) or not (like target points) ?

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## [参照型変数をチェックするには？ (翻訳/要約)](https://forums.unrealengine.com/t/topic/358160)

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**Author:** [@ymars](https://forums.unrealengine.com/u/ymars)\
**Replies:** 1\
**Last updated:** [May 22, 2016, 2:04am UTC](https://forums.unrealengine.com/t/topic/358160 "2016-05-22T02:04:32Z")

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(以下は、英語スレッドの質問を翻訳/要約したものです。) こんにちは。アクタ型変数の値が null (空) か null ではない (何らかのアクタへの参照) であるかどうか、調べる方法はありますか？ –Student 24 英文スレッド

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## [Check string or text: can be a filename?](https://forums.unrealengine.com/t/check-string-or-text-can-be-a-filename/348867)

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**Author:** [@HungryDoodles](https://forums.unrealengine.com/u/HungryDoodles)\
**Replies:** 0\
**Last updated:** [February 27, 2016, 4:40pm UTC](https://forums.unrealengine.com/t/check-string-or-text-can-be-a-filename/348867 "2016-02-27T16:40:08Z")

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There is partially funny moment: by entering name for gun preset “RailGun(10000km/s)” I wanted to save file “RailGun(10000km/s)”, but got folder “RailGun(10000km” with file “s).STP” inside it. And so I need to filter o…

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## [Scan text for certain words](https://forums.unrealengine.com/t/scan-text-for-certain-words/344044)

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**Author:** [@PSyCHoHaMSTeRza](https://forums.unrealengine.com/u/PSyCHoHaMSTeRza)\
**Replies:** 2\
**Last updated:** [January 15, 2016, 1:20am UTC](https://forums.unrealengine.com/t/scan-text-for-certain-words/344044 "2016-01-15T01:20:53Z")

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Hi there. I want to make an old school text adventure (like Zork), but I have trouble figuring out how to interpret the user input. Here is kinda what I want to do. Player is in a room. There is a sword and a shield. …

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## [How to check child class of a virtual parent class?](https://forums.unrealengine.com/t/how-to-check-child-class-of-a-virtual-parent-class/332153)

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**Author:** [@anonymous\_user\_e6436d8c](https://forums.unrealengine.com/u/anonymous_user_e6436d8c)\
**Replies:** 5\
**Last updated:** [September 15, 2015, 3:17pm UTC](https://forums.unrealengine.com/t/how-to-check-child-class-of-a-virtual-parent-class/332153 "2015-09-15T15:17:01Z")

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Hi, I’m working on a project with vehicles. So, I’m working on WheeledVehicleMovementComponent.cpp class, and I want to check if the owner class of this component is my WheeledVehicleNW class, or maybe the child class of…

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## [Is it possible to use variable (string) to replace Text Render for implement interface?](https://forums.unrealengine.com/t/is-it-possible-to-use-variable-string-to-replace-text-render-for-implement-interface/328814)

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**Author:** [@buscas31](https://forums.unrealengine.com/u/buscas31)\
**Replies:** 5\
**Last updated:** [August 16, 2015, 8:10pm UTC](https://forums.unrealengine.com/t/is-it-possible-to-use-variable-string-to-replace-text-render-for-implement-interface/328814 "2015-08-16T20:10:22Z")

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I need to change my user input / check code input, so i want know: Is it possible to use variable (string) to replace Text Render for implement interface? I ask because i used Text Render in UE 4.6.1 for the entirely B…

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## [Node to check collision?](https://forums.unrealengine.com/t/node-to-check-collision/304676)

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**Author:** [@TheWTFage](https://forums.unrealengine.com/u/TheWTFage)\
**Replies:** 4\
**Last updated:** [January 22, 2015, 2:44pm UTC](https://forums.unrealengine.com/t/node-to-check-collision/304676 "2015-01-22T14:44:23Z")

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Get your box component → Get Overlapping Actors and in ForEachLoop check if there are some elements, if yes set your boolean :slight\_smile: Or drag “Length” node from Get Overlapping Actors and check if it is \> 0.

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## [Check the character rotation](https://forums.unrealengine.com/t/check-the-character-rotation/303726)

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**Author:** [@Nils\_Soderman](https://forums.unrealengine.com/u/Nils_Soderman)\
**Replies:** 5\
**Last updated:** [January 12, 2015, 6:44pm UTC](https://forums.unrealengine.com/t/check-the-character-rotation/303726 "2015-01-12T18:44:22Z")

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Hello! So I’ve been trying to get this to work for a few hours now, and I can’t seem to get it right. I made it possible to rotate this cow, but now I want to check the rotation of the cow. So if he lands and he’s rota…

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## [Multiplayer: How to check that the player is ready](https://forums.unrealengine.com/t/multiplayer-how-to-check-that-the-player-is-ready/293446)

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**Author:** [@MiniTurtle](https://forums.unrealengine.com/u/MiniTurtle)\
**Replies:** 1\
**Last updated:** [September 19, 2014, 12:12pm UTC](https://forums.unrealengine.com/t/multiplayer-how-to-check-that-the-player-is-ready/293446 "2014-09-19T12:12:29Z")

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Hi, as the titles says. My client player start receiving message before it even has had the chance to create its AGameState. I tried checking (below) before sending data to client if (APawn-\>GetNetConnection()-\>State …

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## [How can I have my enemey character check for holes in the ground?](https://forums.unrealengine.com/t/how-can-i-have-my-enemey-character-check-for-holes-in-the-ground/291823)

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**Author:** [@zip](https://forums.unrealengine.com/u/zip)\
**Replies:** 3\
**Last updated:** [August 26, 2014, 2:11pm UTC](https://forums.unrealengine.com/t/how-can-i-have-my-enemey-character-check-for-holes-in-the-ground/291823 "2014-08-26T14:11:51Z")

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Hi to all, i have try do 2d side scroller and i have enemy character blueprint , it moving from start level to end(in Event tick with add movement input) , but when level is ending(or ground have holes ) my enemy falls …
