# Programming & Scripting **URL:** https://forums.unrealengine.com/c/development-discussion/programming-scripting/148.md?page=9 [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) **Page:** 10 --- ## [Offline Modus ](https://forums.unrealengine.com/t/offline-modus/2844433)
**Author:** [@SannyGuRkE](https://forums.unrealengine.com/u/SannyGuRkE)\ **Replies:** 0\ **Last updated:** [October 23, 2026, 8:10pm UTC](https://forums.unrealengine.com/t/offline-modus/2844433 "2026-10-23T20:10:08Z")
Hallo liebes Epic-Games-Team, ich wünsche mir eine Funktion, mit der man seinen Online-Status im Epic Games Launcher und möglichst auch in Fortnite auf „Unsichtbar“ oder „Offline anzeigen“ stellen kann. Man möchte schli… --- ## [Controlling Parameters for Niagara not working? UE5](https://forums.unrealengine.com/t/controlling-parameters-for-niagara-not-working-ue5/527408)
**Author:** [@Golak\_StrongNeck](https://forums.unrealengine.com/u/Golak_StrongNeck)\ **Replies:** 6\ **Last updated:** [October 23, 2026, 8:07pm UTC](https://forums.unrealengine.com/t/controlling-parameters-for-niagara-not-working-ue5/527408 "2026-10-23T20:07:56Z")
Simple thing, just trying to change that float to 2000 on press play. Seems right and hits breakpoint but no change. Any ideas? --- ## [Set Niagara Variable (Audio Player) doesn't exist ?](https://forums.unrealengine.com/t/set-niagara-variable-audio-player-doesnt-exist/1357010)
**Author:** [@Tigris\_RL](https://forums.unrealengine.com/u/Tigris_RL)\ **Replies:** 3\ **Last updated:** [October 23, 2026, 8:05pm UTC](https://forums.unrealengine.com/t/set-niagara-variable-audio-player-doesnt-exist/1357010 "2026-10-23T20:05:07Z")
I am trying to trigger bullet casing sounds within the Niagara system for bullet shells ejected. I currently feed the static mesh information from the weapon data via “SetNiagaraVariable(StaticMesh).” I want to do the … --- ## [Creating a Core Mechanic Similar to PowerWash Simulator?](https://forums.unrealengine.com/t/creating-a-core-mechanic-similar-to-powerwash-simulator/253512)
**Author:** [@RobMeade](https://forums.unrealengine.com/u/RobMeade)\ **Replies:** 5\ **Last updated:** [October 23, 2026, 8:02pm UTC](https://forums.unrealengine.com/t/creating-a-core-mechanic-similar-to-powerwash-simulator/253512 "2026-10-23T20:02:19Z")
Hi all, wondered if anyone may be able to help me with the following… I’m looking to create a core mechanic like PowerWash Simulator, where the player cleans things… but I’m running into some challenges and I’m not sure… --- ## [Render target materials](https://forums.unrealengine.com/t/render-target-materials/1927658)
**Author:** [@MonkiDG](https://forums.unrealengine.com/u/MonkiDG)\ **Replies:** 1\ **Last updated:** [October 23, 2026, 8:00pm UTC](https://forums.unrealengine.com/t/render-target-materials/1927658 "2026-10-23T20:00:06Z")
Is there any way to get a percentage of completion from here or something similar? --- ## [creating dynamic material instances from csv file ](https://forums.unrealengine.com/t/creating-dynamic-material-instances-from-csv-file/2443142)
**Author:** [@CiaranFrench](https://forums.unrealengine.com/u/CiaranFrench)\ **Replies:** 4\ **Last updated:** [October 23, 2026, 7:57pm UTC](https://forums.unrealengine.com/t/creating-dynamic-material-instances-from-csv-file/2443142 "2026-10-23T19:57:49Z")
Is there a way to drive the RGB material values of a single object that has multiple instances from a csv file where the index of the object instance and the index of the rgb values from the csv align? Cheers --- ## [Persisting data on level changes in multiplayer with GameInstance and PlayerState](https://forums.unrealengine.com/t/persisting-data-on-level-changes-in-multiplayer-with-gameinstance-and-playerstate/1958085)
**Author:** [@GGPedro](https://forums.unrealengine.com/u/GGPedro)\ **Replies:** 1\ **Last updated:** [October 23, 2026, 7:52pm UTC](https://forums.unrealengine.com/t/persisting-data-on-level-changes-in-multiplayer-with-gameinstance-and-playerstate/1958085 "2026-10-23T19:52:43Z")
So i am working on a lobby in an RTS style multiplayer game and trying to persist data like player color and team from the lobby level through to the main level. So far i have done everything in blueprints. Most of the f… --- ## [How to create a photography camera? (How to convert render target to a texture?)](https://forums.unrealengine.com/t/how-to-create-a-photography-camera-how-to-convert-render-target-to-a-texture/2153783)
**Author:** [@jacksonnexhip](https://forums.unrealengine.com/u/jacksonnexhip)\ **Replies:** 3\ **Last updated:** [October 23, 2026, 7:50pm UTC](https://forums.unrealengine.com/t/how-to-create-a-photography-camera-how-to-convert-render-target-to-a-texture/2153783 "2026-10-23T19:50:30Z")
Hi all, I have a simple camera setup with a render target which allows the player to snapshot the world on a button press to take photos in-game. Is it possible to get the result of the render target as a texture to… --- ## [Input Key or Mapping context](https://forums.unrealengine.com/t/input-key-or-mapping-context/2695417)
**Author:** [@herve1234](https://forums.unrealengine.com/u/herve1234)\ **Replies:** 4\ **Last updated:** [October 23, 2026, 7:48pm UTC](https://forums.unrealengine.com/t/input-key-or-mapping-context/2695417 "2026-10-23T19:48:07Z")
Hello everyone, I don’t know how it happened, but some of my key inputs no longer work. For example: IA Mov → ZQSD → D and S no longer work! IA Interact → E IA Walk → Shift Left no longer works Do you have any idea… --- ## [Exporting a Data Table Back to CSV](https://forums.unrealengine.com/t/exporting-a-data-table-back-to-csv/330529)
**Author:** [@anonymous\_user\_33e74471](https://forums.unrealengine.com/u/anonymous_user_33e74471)\ **Replies:** 12\ **Last updated:** [October 23, 2026, 7:00pm UTC](https://forums.unrealengine.com/t/exporting-a-data-table-back-to-csv/330529 "2026-10-23T19:00:07Z")
Heya, I’m trying to hook up some modifiable data up to Data Tables to be edited by CSV. It was super easy to hook up the CSV to be imported into unreal, but I’m wondering if there’s a good way to export that Data Table … --- ## [What is Unreal Engine? ](https://forums.unrealengine.com/t/what-is-unreal-engine/2844387)
**Author:** [@AggregateAir6088](https://forums.unrealengine.com/u/AggregateAir6088)\ **Replies:** 0\ **Last updated:** [October 23, 2026, 6:49pm UTC](https://forums.unrealengine.com/t/what-is-unreal-engine/2844387 "2026-10-23T18:49:40Z")
Answer: Unreal Engine is a real-time 3D creation engine developed by Epic Games. It is used to create video games, interactive experiences, simulations, and architectural visualizations. --- ## [Bug logos Fortnite des map créatif](https://forums.unrealengine.com/t/bug-logos-fortnite-des-map-creatif/2844379)
**Author:** [@skychou\_yt](https://forums.unrealengine.com/u/skychou_yt)\ **Replies:** 0\ **Last updated:** [October 23, 2026, 6:27pm UTC](https://forums.unrealengine.com/t/bug-logos-fortnite-des-map-creatif/2844379 "2026-10-23T18:27:30Z")
Qui est le même problème que moi avec les logos des map Fortnite qu’on veut lancer une map, le logo se met pas ça laisse l’écriture normale. Sur le compte de mon filleul ça fonctionne et sur le mien ça ne fonctionne pas … --- ## [Est-il possible de récupérer des sauvegardes perdues de maps UEFN ? ](https://forums.unrealengine.com/t/est-il-possible-de-recuperer-des-sauvegardes-perdues-de-maps-uefn/2843917)
**Author:** [@Xenox\_do\_brazil](https://forums.unrealengine.com/u/Xenox_do_brazil)\ **Replies:** 1\ **Last updated:** [October 23, 2026, 6:19pm UTC](https://forums.unrealengine.com/t/est-il-possible-de-recuperer-des-sauvegardes-perdues-de-maps-uefn/2843917 "2026-10-23T18:19:24Z")
Bonjour à tous, J’ai malheureusement perdu les sauvegardes de mes maps que je modifiais sur UEFN (Unreal Editor for Fortnite). Mes maps sont toujours visibles sur le portail des créateurs Epic Games, avec leurs ancienn… --- ## [PPM in MRG Panoramic Deferred Renderer ](https://forums.unrealengine.com/t/ppm-in-mrg-panoramic-deferred-renderer/2841229)
**Author:** [@bri-do-fuse](https://forums.unrealengine.com/u/bri-do-fuse)\ **Replies:** 5\ **Last updated:** [October 23, 2026, 5:12pm UTC](https://forums.unrealengine.com/t/ppm-in-mrg-panoramic-deferred-renderer/2841229 "2026-10-23T17:12:52Z")
“Deferred Renderer” includes the ability to assign post-process materials for arbitrary passes. How to achieve the same output passes with the Panoramic Deferred Renderer? --- ## [3D UMG widget looks washed out](https://forums.unrealengine.com/t/3d-umg-widget-looks-washed-out/362624)
**Author:** [@plato.manchi](https://forums.unrealengine.com/u/plato.manchi)\ **Replies:** 9\ **Last updated:** [October 23, 2026, 12:39pm UTC](https://forums.unrealengine.com/t/3d-umg-widget-looks-washed-out/362624 "2026-10-23T12:39:07Z")
I created a 3D widget and placed it on the level. I disabled all the post processing in the editor. Yet the 3D widget’s color looks washed out compared to adding the same widget directly to viewport. This is how it look… --- ## [Mi camino para convertirme en Gameplay Engineer con Unreal Engine 5 y C++ (Días 1-4)](https://forums.unrealengine.com/t/mi-camino-para-convertirme-en-gameplay-engineer-con-unreal-engine-5-y-c-dias-1-4/2844256)
**Author:** [@kevinpc\_1](https://forums.unrealengine.com/u/kevinpc_1)\ **Replies:** 0\ **Last updated:** [October 23, 2026, 10:30am UTC](https://forums.unrealengine.com/t/mi-camino-para-convertirme-en-gameplay-engineer-con-unreal-engine-5-y-c-dias-1-4/2844256 "2026-10-23T10:30:05Z")
Hola a todos. He comenzado una serie práctica en la que estoy aprendiendo Unreal Engine 5 desde la perspectiva de un Gameplay Engineer, construyendo sistemas reales desde el primer día y utilizando C++ como lenguaje pri… --- ## [Day 4 Gameplay engineer](https://forums.unrealengine.com/t/day-4-gameplay-engineer/2844254)
**Author:** [@kevinpc\_1](https://forums.unrealengine.com/u/kevinpc_1)\ **Replies:** 0\ **Last updated:** [October 23, 2026, 10:15am UTC](https://forums.unrealengine.com/t/day-4-gameplay-engineer/2844254 "2026-10-23T10:15:29Z")
Hi everyone, I’ve just completed Day 4 of my Unreal Engine 5 Gameplay Engineer learning journey. In this video, I implemented a Sprint System in C++ using Enhanced Input and the Character Movement Component. Topics co… --- ## [Line break for public text variable](https://forums.unrealengine.com/t/line-break-for-public-text-variable/48324)
**Author:** [@anonymous\_user\_dfff491d](https://forums.unrealengine.com/u/anonymous_user_dfff491d)\ **Replies:** 10\ **Last updated:** [October 23, 2026, 9:27am UTC](https://forums.unrealengine.com/t/line-break-for-public-text-variable/48324 "2026-10-23T09:27:26Z")
Hello, with “Shift + Enter” i can set a new line within a blueprint-text-variable. However, when i try this outside via the public variable (under the “Details”-Window of an actor) it is not possible. Is there a possibi… --- ## [Custom groom (Alembic from Blender) renders in PIE but is completely invisible in Standalone and packaged build — UE 5.8 MetaHuman](https://forums.unrealengine.com/t/custom-groom-alembic-from-blender-renders-in-pie-but-is-completely-invisible-in-standalone-and-packaged-build-ue-5-8-metahuman/2841252)
**Author:** [@Marsal02](https://forums.unrealengine.com/u/Marsal02)\ **Replies:** 3\ **Last updated:** [October 23, 2026, 5:59am UTC](https://forums.unrealengine.com/t/custom-groom-alembic-from-blender-renders-in-pie-but-is-completely-invisible-in-standalone-and-packaged-build-ue-5-8-metahuman/2841252 "2026-10-23T05:59:09Z")
Setup: UE 5.8. MetaHuman Character → Assemble → Blueprint actor. A custom hair groom was authored by an artist in Blender and exported as Alembic. It imports fine (42,634 curves, Root UV and Width attributes present). Ha… --- ## [MakeFloat nodes replacement? ](https://forums.unrealengine.com/t/makefloat-nodes-replacement/2843953)
**Author:** [@Monkeysofdoom](https://forums.unrealengine.com/u/Monkeysofdoom)\ **Replies:** 2\ **Last updated:** [October 23, 2026, 3:11am UTC](https://forums.unrealengine.com/t/makefloat-nodes-replacement/2843953 "2026-10-23T03:11:39Z")
I’ve dug around briefly online for this MakeFloatX node, following a tutorial, and it doesn’t seem to exist anymore. I’ve seen closed forum posts about it with a workaround that doesn’t work either, due to material funct… --- ## [UE 5.8.2: custom C++ autopilot diverges from fixed-step forecasts with variable frame deltas ](https://forums.unrealengine.com/t/ue-5-8-2-custom-c-autopilot-diverges-from-fixed-step-forecasts-with-variable-frame-deltas/2842959)
**Author:** [@Jamshid.B](https://forums.unrealengine.com/u/Jamshid.B)\ **Replies:** 2\ **Last updated:** [October 23, 2026, 12:53am UTC](https://forums.unrealengine.com/t/ue-5-8-2-custom-c-autopilot-diverges-from-fixed-step-forecasts-with-variable-frame-deltas/2842959 "2026-10-23T00:53:16Z")
Hello everyone, I am developing MEGACUBE 2.0 in Unreal Engine 5.8.2 (CL56702186), on Win64. I would appreciate guidance on input scheduling and safe replanning for a custom C++ gameplay-test autopilot. Our AActor runne… --- ## [ChaosCacheCollection showing placeholder texture instead of original mesh, not playing also](https://forums.unrealengine.com/t/chaoscachecollection-showing-placeholder-texture-instead-of-original-mesh-not-playing-also/2843813)
**Author:** [@GoodToGo3](https://forums.unrealengine.com/u/GoodToGo3)\ **Replies:** 1\ **Last updated:** [October 23, 2026, 12:53am UTC](https://forums.unrealengine.com/t/chaoscachecollection-showing-placeholder-texture-instead-of-original-mesh-not-playing-also/2843813 "2026-10-23T00:53:01Z")
Hi there, I am using Chaos Cache Manager to record the simulation of a static mesh fracturing. After recording it and setting it to play, when I drag the chaos collection actor out, I get a placeholder texture instead o… --- ## [cant work AdaptivePathfindingSystem on my unreal engine project ](https://forums.unrealengine.com/t/cant-work-adaptivepathfindingsystem-on-my-unreal-engine-project/2843920)
**Author:** [@toberharly](https://forums.unrealengine.com/u/toberharly)\ **Replies:** 1\ **Last updated:** [October 23, 2026, 12:52am UTC](https://forums.unrealengine.com/t/cant-work-adaptivepathfindingsystem-on-my-unreal-engine-project/2843920 "2026-10-23T00:52:46Z")
Hi, im using AdaptivePathfindingSystem: AI Navigation Plugin v2.06 on Unreal Engine Versión: 5.7.4-51494982+++UE5+Release-5.7 on Windows 10 Pro The pawn is moving right with the custom NavData: RecastNavMesh. When i … --- ## [Unreal Engine keeps crashing/freezing my entire PC ](https://forums.unrealengine.com/t/unreal-engine-keeps-crashing-freezing-my-entire-pc/2843949)
**Author:** [@zuumi696](https://forums.unrealengine.com/u/zuumi696)\ **Replies:** 1\ **Last updated:** [October 22, 2026, 8:13pm UTC](https://forums.unrealengine.com/t/unreal-engine-keeps-crashing-freezing-my-entire-pc/2843949 "2026-10-22T20:13:23Z")
Hi everyone, I am having severe technical issues with my PC whenever I run Unreal Engine. The system becomes completely unstable, causing the entire computer to crash and freeze after a few minutes of use. Here are my … --- ## [un problema de fortnite ](https://forums.unrealengine.com/t/un-problema-de-fortnite/2842983)
**Author:** [@Maximo\_malo1](https://forums.unrealengine.com/u/Maximo_malo1)\ **Replies:** 1\ **Last updated:** [October 22, 2026, 7:58pm UTC](https://forums.unrealengine.com/t/un-problema-de-fortnite/2842983 "2026-10-22T19:58:03Z")
porque me sale lo del vpn o lo del proxy por la cara y no tengo nada --- ## [Why does my equip system "only" work once? ](https://forums.unrealengine.com/t/why-does-my-equip-system-only-work-once/2843424)
**Author:** [@SejWok](https://forums.unrealengine.com/u/SejWok)\ **Replies:** 2\ **Last updated:** [October 22, 2026, 7:54pm UTC](https://forums.unrealengine.com/t/why-does-my-equip-system-only-work-once/2843424 "2026-10-22T19:54:44Z")
“Only” in quotes because I’ve run through the whole thing with breakpoints, and every node is firing like it should. But when I play it, I can only equip one item, then nothing else. I have two items made, one for each s… --- ## [What is: Controller Texture in InputBaseControllerData?](https://forums.unrealengine.com/t/what-is-controller-texture-in-inputbasecontrollerdata/1721389)
**Author:** [@BDC\_Patrick](https://forums.unrealengine.com/u/BDC_Patrick)\ **Replies:** 1\ **Last updated:** [October 22, 2026, 6:59pm UTC](https://forums.unrealengine.com/t/what-is-controller-texture-in-inputbasecontrollerdata/1721389 "2026-10-22T18:59:53Z")
When dealing with CommonUI, one will create at least one CommonInputBaseControllerData Asset and feed it with Input Key and Icon Sets But… there are two Texture Slots, i can’t get what they are used for… What is the… --- ## [Cross play ](https://forums.unrealengine.com/t/cross-play/2843943)
**Author:** [@Flchevy](https://forums.unrealengine.com/u/Flchevy)\ **Replies:** 0\ **Last updated:** [October 22, 2026, 5:27pm UTC](https://forums.unrealengine.com/t/cross-play/2843943 "2026-10-22T17:27:16Z")
You know what. I don’t care. If you want to cross play. Set the setting. Let me turn cross platform off. Battlefield does it. The ability is there. Just let me turn cross platform off --- ## [MBOX to PST Conversion with Folder Hierarchy: Any Tips?](https://forums.unrealengine.com/t/mbox-to-pst-conversion-with-folder-hierarchy-any-tips/2700091)
**Author:** [@JOHNSON01](https://forums.unrealengine.com/u/JOHNSON01)\ **Replies:** 8\ **Last updated:** [October 22, 2026, 5:22pm UTC](https://forums.unrealengine.com/t/mbox-to-pst-conversion-with-folder-hierarchy-any-tips/2700091 "2026-10-22T17:22:11Z")
I have multiple large MBOX files, and I need to convert them into PST while keeping the original folder hierarchy. What is the best way to ensure that subfolders and nested folders are preserved during MBOX to PST conver… --- ## [My Unreal Engine C++ Learning Journey | Days 1-3 Progress ](https://forums.unrealengine.com/t/my-unreal-engine-c-learning-journey-days-1-3-progress/2843906)
**Author:** [@kevinpc\_1](https://forums.unrealengine.com/u/kevinpc_1)\ **Replies:** 0\ **Last updated:** [October 22, 2026, 4:32pm UTC](https://forums.unrealengine.com/t/my-unreal-engine-c-learning-journey-days-1-3-progress/2843906 "2026-10-22T16:32:54Z")
Hi everyone, I’m currently learning Unreal Engine with a strong focus on C++ programming and engine systems. During Days 1-3, I successfully: Created a custom C++ project. Set up my own character class. Learned how U… [Previous page](https://forums.unrealengine.com/c/development-discussion/programming-scripting/148.md?page=8) [Next page](https://forums.unrealengine.com/c/development-discussion/programming-scripting/148.md?page=10)