# \#coding **URL:** https://forums.unrealengine.com/tag/coding/4302.md [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) --- ## [My custom C++ object class 'InvItemData' resets to a 'Object' data type after closing and re-opening the editor](https://forums.unrealengine.com/t/my-custom-c-object-class-invitemdata-resets-to-a-object-data-type-after-closing-and-re-opening-the-editor/2663296)
**Author:** [@Shaanig03](https://forums.unrealengine.com/u/Shaanig03)\ **Replies:** 9\ **Last updated:** [January 15, 2026, 8:06pm UTC](https://forums.unrealengine.com/t/my-custom-c-object-class-invitemdata-resets-to-a-object-data-type-after-closing-and-re-opening-the-editor/2663296 "2026-01-15T20:06:48Z")
My struct variable (object reference) to a custom C++ object class whenever I close and re-open the editor, the variable’s data type is changed to a object?, this happens not only in the struct but other places like i… --- ## [\[Unreal Engine 5.2\] How to make a Beam walking system?](https://forums.unrealengine.com/t/unreal-engine-5-2-how-to-make-a-beam-walking-system/2597061)
**Author:** [@Brosppa](https://forums.unrealengine.com/u/Brosppa)\ **Replies:** 0\ **Last updated:** [July 8, 2025, 1:59pm UTC](https://forums.unrealengine.com/t/unreal-engine-5-2-how-to-make-a-beam-walking-system/2597061 "2025-07-08T13:59:22Z")
I wanted to make a beam-walking system for my simple retro-style game, but I’m stuck. I want to set the players speed to be slower and for them to play balancing aniamtions. !\[tightrope help2.PNG|690x428\](upload://… --- ## [\[PAID\] / FULL TIME - C++ Developers (Software Engineers to Architects) - Robotics/Vision Engineering](https://forums.unrealengine.com/t/paid-full-time-c-developers-software-engineers-to-architects-robotics-vision-engineering/2243776)
**Author:** [@HR\_CynLr](https://forums.unrealengine.com/u/HR_CynLr)\ **Replies:** 0\ **Last updated:** [December 26, 2024, 2:43pm UTC](https://forums.unrealengine.com/t/paid-full-time-c-developers-software-engineers-to-architects-robotics-vision-engineering/2243776 "2024-12-26T14:43:21Z")
CynLr is a research firm building the “ Visual Intelligence” for the robots to “intuitively” handle unseen objects like a baby that needs no training - a 40 year old unsolved problem, also touted as the holy grail of rob… --- ## [Multiplayer Endless Runner Mobile Game development ](https://forums.unrealengine.com/t/multiplayer-endless-runner-mobile-game-development/1192869)
**Author:** [@faithfultennyson](https://forums.unrealengine.com/u/faithfultennyson)\ **Replies:** 2\ **Last updated:** [July 14, 2024, 6:40pm UTC](https://forums.unrealengine.com/t/multiplayer-endless-runner-mobile-game-development/1192869 "2024-07-14T18:40:21Z")
Good day my name is faithfultennyson. i have a project i would want you to be part of. its an endless runner game with some extra features, The game is a endless runner game. That has 3 mode Multiplayer Where 8 to 10… --- ## [Unreal Engine, PaperZD, Animation Graph](https://forums.unrealengine.com/t/unreal-engine-paperzd-animation-graph/1914620)
**Author:** [@BigCambonz](https://forums.unrealengine.com/u/BigCambonz)\ **Replies:** 1\ **Last updated:** [June 24, 2024, 10:17am UTC](https://forums.unrealengine.com/t/unreal-engine-paperzd-animation-graph/1914620 "2024-06-24T10:17:41Z")
Hi everyone, I am stuck on figuring out how to make my character when moving on the Z axis (D and A) start the Run animation, but the animation only starts if I move with D and A. Below I attach the screenshots. Thanks … --- ## [Destroying one actor with multiple copies](https://forums.unrealengine.com/t/destroying-one-actor-with-multiple-copies/1694120)
**Author:** [@ItsssYucky](https://forums.unrealengine.com/u/ItsssYucky)\ **Replies:** 9\ **Last updated:** [February 18, 2024, 7:41am UTC](https://forums.unrealengine.com/t/destroying-one-actor-with-multiple-copies/1694120 "2024-02-18T07:41:56Z")
Hey, I am trying to make an ability in my game where you can spawn in three of an object and when you spawn in the forth, it automatically deletes the first, and so on and so forth. Currently, I am able to delete one. H… --- ## [Can i attach a vfx device to a hidden player?](https://forums.unrealengine.com/t/can-i-attach-a-vfx-device-to-a-hidden-player/1289347)
**Author:** [@TiktokDem0np1g](https://forums.unrealengine.com/u/TiktokDem0np1g)\ **Replies:** 6\ **Last updated:** [September 9, 2023, 9:50pm UTC](https://forums.unrealengine.com/t/can-i-attach-a-vfx-device-to-a-hidden-player/1289347 "2023-09-09T21:50:10Z")
im trying to get A vfx device to follow the player, however it disappears when the player is hidden. i want the vfx to be visible on the player while the player is hidden. --- ## [verse Bounty System help :c](https://forums.unrealengine.com/t/verse-bounty-system-help-c/1279970)
**Author:** [@NoxyLuca](https://forums.unrealengine.com/u/NoxyLuca)\ **Replies:** 3\ **Last updated:** [September 1, 2023, 8:24pm UTC](https://forums.unrealengine.com/t/verse-bounty-system-help-c/1279970 "2023-09-01T20:24:25Z")
Hi i have been trying to make a Bounty System. But as u see in the picture i keep getting this wrong. (if u say i have to line it up with the: ‘‘if’’ it gives more errors. --- ## [Team up for Game Dev!](https://forums.unrealengine.com/t/team-up-for-game-dev/665809)
**Author:** [@Benyamin3000](https://forums.unrealengine.com/u/Benyamin3000)\ **Replies:** 3\ **Last updated:** [November 29, 2022, 8:38pm UTC](https://forums.unrealengine.com/t/team-up-for-game-dev/665809 "2022-11-29T20:38:08Z")
Hey guys :smiley: Let’s Team up! Me: Can find, edit and make videos pretty well Can find, edit and make Audio pretty well Can find, edit and make photos/textures pretty well have a long unique scripted story as game d… --- ## [Trying to make awesome weapon system and shooting mechanics | INSIDE UNREAL](https://forums.unrealengine.com/t/trying-to-make-awesome-weapon-system-and-shooting-mechanics-inside-unreal/491818)
**Author:** [@HeadMod1](https://forums.unrealengine.com/u/HeadMod1)\ **Replies:** 1\ **Last updated:** [January 27, 2022, 10:15am UTC](https://forums.unrealengine.com/t/trying-to-make-awesome-weapon-system-and-shooting-mechanics-inside-unreal/491818 "2022-01-27T10:15:13Z")
Trying to make a really high quality movement and shooting mechanics inside unreal Was wondering to make a cool devlog on this. Lemme know if anyone wanna see it. Lemme know if you like it and I should keep posting mor… --- ## [Display ads as textures based on users browser history/internet usage/](https://forums.unrealengine.com/t/display-ads-as-textures-based-on-users-browser-history-internet-usage/491313)
**Author:** [@dylanv00](https://forums.unrealengine.com/u/dylanv00)\ **Replies:** 0\ **Last updated:** [November 25, 2021, 11:41am UTC](https://forums.unrealengine.com/t/display-ads-as-textures-based-on-users-browser-history-internet-usage/491313 "2021-11-25T11:41:27Z")
Hi, For my master degree in Graphic Design i want to create a dystopian virtual reality world filled with advertising based on the user his internet usage and his personal ads. For example i want a church that is filled… --- ## [Can Unreal Engine interact with windows system/files?](https://forums.unrealengine.com/t/can-unreal-engine-interact-with-windows-system-files/487371)
**Author:** [@RambaoRadical](https://forums.unrealengine.com/u/RambaoRadical)\ **Replies:** 1\ **Last updated:** [November 24, 2021, 12:40am UTC](https://forums.unrealengine.com/t/can-unreal-engine-interact-with-windows-system-files/487371 "2021-11-24T00:40:01Z")
Hello, I’d like to know if is possible UE interact with files on the computer (files that not belong to UE projects). Examples: -Reading/writing information on .txt or .docx files. -Loading images or videos from wind… --- ## [UI Widget doesn't disappear using "RemoveFromParent" or "SetVisibility"](https://forums.unrealengine.com/t/ui-widget-doesnt-disappear-using-removefromparent-or-setvisibility/484102)
**Author:** [@LsMat](https://forums.unrealengine.com/u/LsMat)\ **Replies:** 2\ **Last updated:** [May 31, 2021, 4:13pm UTC](https://forums.unrealengine.com/t/ui-widget-doesnt-disappear-using-removefromparent-or-setvisibility/484102 "2021-05-31T16:13:47Z")
Hi all, I’m having some trouble with WIdgets management. I want to press a key (in my case TAB) to open and close the UI (to est I just put a black square). I’m doing it with C++ code and not with the blueprint. When… --- ## [Stun from a looping timeline enemy](https://forums.unrealengine.com/t/stun-from-a-looping-timeline-enemy/473175)
**Author:** [@Missnanners1](https://forums.unrealengine.com/u/Missnanners1)\ **Replies:** 4\ **Last updated:** [October 20, 2020, 7:31am UTC](https://forums.unrealengine.com/t/stun-from-a-looping-timeline-enemy/473175 "2020-10-20T07:31:22Z")
I have a simple enemy that moves left to right in a looping motion with a timeline. When the enemy overlaps the second projectile it will only stun them compared to the first projectile type damaging health. How would I … --- ## [Where can I find the source code of my project?](https://forums.unrealengine.com/t/where-can-i-find-the-source-code-of-my-project/472330)
**Author:** [@anonymous\_user\_762b9c08](https://forums.unrealengine.com/u/anonymous_user_762b9c08)\ **Replies:** 1\ **Last updated:** [October 3, 2020, 6:04am UTC](https://forums.unrealengine.com/t/where-can-i-find-the-source-code-of-my-project/472330 "2020-10-03T06:04:41Z")
Please help! I am participating in and I apparently have to give the “source code” of my Unreal Engine project. Where the source codes stored? Where can I find it in my folders? Do I have to package my game for windows … --- ## [The Forest Benchmark](https://forums.unrealengine.com/t/the-forest-benchmark/374835)
**Author:** [@wardoctor1909](https://forums.unrealengine.com/u/wardoctor1909)\ **Replies:** 0\ **Last updated:** [October 29, 2016, 7:39pm UTC](https://forums.unrealengine.com/t/the-forest-benchmark/374835 "2016-10-29T19:39:46Z")
Well i want to build a benchmarking Tool for MacOS and Windows and i can do the Level design without issue but the coding is the real leap for me i was wondering if anyone can help out for MacOS and windows i need a scor… --- ## [How can I see updated source file?](https://forums.unrealengine.com/t/how-can-i-see-updated-source-file/462836)
**Author:** [@Grubz](https://forums.unrealengine.com/u/Grubz)\ **Replies:** 1\ **Last updated:** [April 6, 2020, 11:23am UTC](https://forums.unrealengine.com/t/how-can-i-see-updated-source-file/462836 "2020-04-06T11:23:41Z")
I am currently following a tutorial about A.I UE4 C++/Blueprint AI Basics Part 3: Patrol/Chase Bot - YouTube. In the video 9:50 he enters #include "BotMovementCharacter. When i enter it, the source file no longer exist… --- ## [Add a key function in editor](https://forums.unrealengine.com/t/add-a-key-function-in-editor/462964)
**Author:** [@Gamzplayz101](https://forums.unrealengine.com/u/Gamzplayz101)\ **Replies:** 4\ **Last updated:** [March 30, 2020, 2:24am UTC](https://forums.unrealengine.com/t/add-a-key-function-in-editor/462964 "2020-03-30T02:24:51Z")
Hello I have been making my horror game for the past few months now and I just recently downloaded a blueprint for a light switch. In the editor under default settings, I noticed an option to select what key you want to… --- ## [(Solved) Mixing/Transferring Blueprint to C++](https://forums.unrealengine.com/t/solved-mixing-transferring-blueprint-to-c/420768)
**Author:** [@Kyle\_Carpio](https://forums.unrealengine.com/u/Kyle_Carpio)\ **Replies:** 3\ **Last updated:** [January 21, 2020, 10:07am UTC](https://forums.unrealengine.com/t/solved-mixing-transferring-blueprint-to-c/420768 "2020-01-21T10:07:03Z")
Hello everyone, I have an odd question to ask which involves about Blueprint and C++, but is it the best way to work on your game within Blueprint, then when you have the base features included, apply C++ over it? It’s… --- ## [How to extend Sight when in a lit area](https://forums.unrealengine.com/t/how-to-extend-sight-when-in-a-lit-area/458867)
**Author:** [@anonymous\_user\_3a101f92](https://forums.unrealengine.com/u/anonymous_user_3a101f92)\ **Replies:** 1\ **Last updated:** [November 27, 2019, 2:40pm UTC](https://forums.unrealengine.com/t/how-to-extend-sight-when-in-a-lit-area/458867 "2019-11-27T14:40:29Z")
Hello, so im trying to make it when my AI walks or gets near a light source(fire), it’ll extend his Sight so he can see out further since my game is during the night. ANY help would be great. --- ## [Vertex color data](https://forums.unrealengine.com/t/vertex-color-data/446993)
**Author:** [@XxsundaexX10](https://forums.unrealengine.com/u/XxsundaexX10)\ **Replies:** 1\ **Last updated:** [April 10, 2019, 8:18pm UTC](https://forums.unrealengine.com/t/vertex-color-data/446993 "2019-04-10T20:18:41Z")
Just a simple question: What does vertex color data look like? I want to split and manipulate it in a material. When we use a vertex color node in a material what is the format of the output? Is it like a matrix where … --- ## [UGameplayStatics::GetAllActorsOfClass is inaccessable?](https://forums.unrealengine.com/t/ugameplaystatics-getallactorsofclass-is-inaccessable/434501)
**Author:** [@anonymous\_user\_db3a3d69](https://forums.unrealengine.com/u/anonymous_user_db3a3d69)\ **Replies:** 1\ **Last updated:** [September 26, 2018, 3:31am UTC](https://forums.unrealengine.com/t/ugameplaystatics-getallactorsofclass-is-inaccessable/434501 "2018-09-26T03:31:41Z")
I have been trying to implement multiple different uses of UGameplayStatics but I consistently am met with the error of “UGameplayStatics::GetAllActorsOfClass is inaccessible”. Based on documentation and everyone else, t… --- ## [Coding for non-uniform/trapezoid landscapes](https://forums.unrealengine.com/t/coding-for-non-uniform-trapezoid-landscapes/432673)
**Author:** [@Cyberdougy](https://forums.unrealengine.com/u/Cyberdougy)\ **Replies:** 3\ **Last updated:** [August 29, 2018, 1:20am UTC](https://forums.unrealengine.com/t/coding-for-non-uniform-trapezoid-landscapes/432673 "2018-08-29T01:20:59Z")
Introduction: I am trying to create a game that has the landscape laid out as an inverted sphere. Think of Inception. The idea for the sphere is a box smoothed over several times within Maya. This gives a reference in h… --- ## [Can a trigger box be used to open a coding file?](https://forums.unrealengine.com/t/can-a-trigger-box-be-used-to-open-a-coding-file/431349)
**Author:** [@anonymous\_user\_e13c5712](https://forums.unrealengine.com/u/anonymous_user_e13c5712)\ **Replies:** 10\ **Last updated:** [August 14, 2018, 10:50pm UTC](https://forums.unrealengine.com/t/can-a-trigger-box-be-used-to-open-a-coding-file/431349 "2018-08-14T22:50:17Z")
Hello, TriggerBox is ismply something that call OnBeginOverlap event so you can do anything with it. Reading/Writing to file FFileHelper | Unreal Engine Documentation There is simple solution Read and Write data fro… --- ## [Explanation on the Epic AbilityPlugin](https://forums.unrealengine.com/t/explanation-on-the-epic-abilityplugin/430039)
**Author:** [@Warplann](https://forums.unrealengine.com/u/Warplann)\ **Replies:** 0\ **Last updated:** [July 23, 2018, 7:08am UTC](https://forums.unrealengine.com/t/explanation-on-the-epic-abilityplugin/430039 "2018-07-23T07:08:43Z")
Hi All, I recently discovered the UE4 Ability Plugin labeled Gameplay in the plugins menu, I’ve been hunting around and so far haven’t been able to find much information on it beyond some C++ stuff (Which I know nothing … --- ## [Collectible Audio Tape Making](https://forums.unrealengine.com/t/collectible-audio-tape-making/418699)
**Author:** [@GAMERBROSCHARGED](https://forums.unrealengine.com/u/GAMERBROSCHARGED)\ **Replies:** 0\ **Last updated:** [March 1, 2018, 4:29pm UTC](https://forums.unrealengine.com/t/collectible-audio-tape-making/418699 "2018-03-01T16:29:37Z")
So if any one has read any of my other posts, I do not know alot about unreal and am fairly new. Now for the most part I can just look up any issues I’m having and have no problem with watching tutorial videos. But for t… --- ## [Is It possible to make hunger system like Minecraft?](https://forums.unrealengine.com/t/is-it-possible-to-make-hunger-system-like-minecraft/412106)
**Author:** [@I\_Hate\_Apples](https://forums.unrealengine.com/u/I_Hate_Apples)\ **Replies:** 1\ **Last updated:** [December 13, 2017, 3:53am UTC](https://forums.unrealengine.com/t/is-it-possible-to-make-hunger-system-like-minecraft/412106 "2017-12-13T03:53:21Z")
I kind of understand the part, how blueprints are made and used, but the problem is… I don’t know, how to link hunger to stamina and health. For example In Minecraft, if you’re low on hunger you can’t regenerate your hea… --- ## [How do I make an interactive painting so when I click e it shows a picture of a paper?](https://forums.unrealengine.com/t/how-do-i-make-an-interactive-painting-so-when-i-click-e-it-shows-a-picture-of-a-paper/411919)
**Author:** [@Simonkitty](https://forums.unrealengine.com/u/Simonkitty)\ **Replies:** 1\ **Last updated:** [December 10, 2017, 11:39pm UTC](https://forums.unrealengine.com/t/how-do-i-make-an-interactive-painting-so-when-i-click-e-it-shows-a-picture-of-a-paper/411919 "2017-12-10T23:39:12Z")
I wanna know for my game --- ## [Where do I begin to make a variant system Like Total War](https://forums.unrealengine.com/t/where-do-i-begin-to-make-a-variant-system-like-total-war/409963)
**Author:** [@Lonestanding27](https://forums.unrealengine.com/u/Lonestanding27)\ **Replies:** 1\ **Last updated:** [November 22, 2017, 5:19pm UTC](https://forums.unrealengine.com/t/where-do-i-begin-to-make-a-variant-system-like-total-war/409963 "2017-11-22T17:19:03Z")
Hello everyone, I have a quick question. I am new to learning how to make games here on Unreal, I’m trying to learn how to make a variant system very similar to Total War. For I was trying to create a Blueprint for my un… --- ## [Any way to make ambient sounds play dynamically?](https://forums.unrealengine.com/t/any-way-to-make-ambient-sounds-play-dynamically/345680)
**Author:** [@bundestrojaner](https://forums.unrealengine.com/u/bundestrojaner)\ **Replies:** 5\ **Last updated:** [October 2, 2017, 11:28am UTC](https://forums.unrealengine.com/t/any-way-to-make-ambient-sounds-play-dynamically/345680 "2017-10-02T11:28:28Z")
Hi, I’ve migrated over from the Source engine not long ago and I’m still getting used to using UE4. My question is: Is there any way to replicate the soundscape scripts into UE4? Incase you didn’t know, the source engin… [Next page](https://forums.unrealengine.com/tag/coding/4302.md?match_all_tags=true&page=1&tags%5B%5D=coding)