# Programming & Scripting **URL:** https://forums.unrealengine.com/c/development-discussion/programming-scripting/148.md?page=19 [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) **Page:** 20 --- ## [Stack overflow when converting textures to virtual textures](https://forums.unrealengine.com/t/stack-overflow-when-converting-textures-to-virtual-textures/2833912)
**Author:** [@Yuri9447](https://forums.unrealengine.com/u/Yuri9447)\ **Replies:** 2\ **Last updated:** [October 10, 2026, 3:40am UTC](https://forums.unrealengine.com/t/stack-overflow-when-converting-textures-to-virtual-textures/2833912 "2026-10-10T03:40:59Z")
Hi everyone, I’m using UE5.4.4 and in my project there are many textures and materials/material instances. So the reference relationship could be complex. When I try to convert textures to virtual textures using engine p… --- ## [the nurse of egypt ](https://forums.unrealengine.com/t/the-nurse-of-egypt/2838637)
**Author:** [@toni-yourdad](https://forums.unrealengine.com/u/toni-yourdad)\ **Replies:** 1\ **Last updated:** [October 10, 2026, 1:14am UTC](https://forums.unrealengine.com/t/the-nurse-of-egypt/2838637 "2026-10-10T01:14:39Z")
can i make a game --- ## [I need assistance with my Voice Chat system. ](https://forums.unrealengine.com/t/i-need-assistance-with-my-voice-chat-system/2838658)
**Author:** [@ChamillionOG](https://forums.unrealengine.com/u/ChamillionOG)\ **Replies:** 2\ **Last updated:** [October 10, 2026, 12:40am UTC](https://forums.unrealengine.com/t/i-need-assistance-with-my-voice-chat-system/2838658 "2026-10-10T00:40:50Z")
So I tried making a custom VoiceChatSubsystem in C++ using UE5’s Voice Chat Class, and I believe I’ve done the code correctly, as my debug print it displays that I am talking, but players can’t communicate with each othe… --- ## [Physics component dynamic removal/add cause chaos physics to crash](https://forums.unrealengine.com/t/physics-component-dynamic-removal-add-cause-chaos-physics-to-crash/2662057)
**Author:** [@kevinhel](https://forums.unrealengine.com/u/kevinhel)\ **Replies:** 4\ **Last updated:** [October 9, 2026, 8:53pm UTC](https://forums.unrealengine.com/t/physics-component-dynamic-removal-add-cause-chaos-physics-to-crash/2662057 "2026-10-09T20:53:18Z")
Hello, I’m not 100% on what the issue is, but this is where I most likely think the issue lies at this point. I have a tether based on a bunch of a bunch of capsules attached with physical constraints created dynamicall… --- ## [Mass Effect Universe ](https://forums.unrealengine.com/t/mass-effect-universe/2838953)
**Author:** [@Mass\_Effect4](https://forums.unrealengine.com/u/Mass_Effect4)\ **Replies:** 0\ **Last updated:** [October 9, 2026, 6:11pm UTC](https://forums.unrealengine.com/t/mass-effect-universe/2838953 "2026-10-09T18:11:05Z")
I’m Jack. Hello, Mass Effect Legendary Edition What so program big UE5.8 got happen live ready time can for game Mass Effect Bioware good very Blueprint updates so Male Commander Shepard N7 image. so Mass Effect 3, 3ds M… --- ## [How to draw a child widget "bottom" the parent widget?](https://forums.unrealengine.com/t/how-to-draw-a-child-widget-bottom-the-parent-widget/2728925)
**Author:** [@turbotanaka](https://forums.unrealengine.com/u/turbotanaka)\ **Replies:** 1\ **Last updated:** [October 9, 2026, 3:42pm UTC](https://forums.unrealengine.com/t/how-to-draw-a-child-widget-bottom-the-parent-widget/2728925 "2026-10-09T15:42:00Z")
I want to add a background behind a child widget that inherits from a button, so how to do that? Specifically, I want to set a semi-transparent mouseover visual for a button and then draw a background and text underneat… --- ## [What is the best approach for creating a product search and filtering system in Unreal Engine?](https://forums.unrealengine.com/t/what-is-the-best-approach-for-creating-a-product-search-and-filtering-system-in-unreal-engine/2776157)
**Author:** [@Suhebm](https://forums.unrealengine.com/u/Suhebm)\ **Replies:** 1\ **Last updated:** [October 9, 2026, 2:54pm UTC](https://forums.unrealengine.com/t/what-is-the-best-approach-for-creating-a-product-search-and-filtering-system-in-unreal-engine/2776157 "2026-10-09T14:54:14Z")
How can I make it easy for users to find products in my POS system? --- ## [Mass Entity - Post spawn manipulation of entities ](https://forums.unrealengine.com/t/mass-entity-post-spawn-manipulation-of-entities/2837496)
**Author:** [@Neazzo](https://forums.unrealengine.com/u/Neazzo)\ **Replies:** 3\ **Last updated:** [October 9, 2026, 2:38pm UTC](https://forums.unrealengine.com/t/mass-entity-post-spawn-manipulation-of-entities/2837496 "2026-10-09T14:38:51Z")
Hello, What would be the proper way to pass information from a world subsystem or a level actor to a Mass processor in C++ to make the entities behave in a different way through input? For example, I have an actor that… --- ## [How Can I Sync CRM Data Between a Web Application and Unreal Engine?](https://forums.unrealengine.com/t/how-can-i-sync-crm-data-between-a-web-application-and-unreal-engine/2838817)
**Author:** [@Suhebm](https://forums.unrealengine.com/u/Suhebm)\ **Replies:** 1\ **Last updated:** [October 9, 2026, 10:40am UTC](https://forums.unrealengine.com/t/how-can-i-sync-crm-data-between-a-web-application-and-unreal-engine/2838817 "2026-10-09T10:40:21Z")
How can I connect a CRM system to an Unreal Engine project so that customer data can be shared and updated between them? What is the best way to use an API for this? --- ## [Issue opening a newly created project ](https://forums.unrealengine.com/t/issue-opening-a-newly-created-project/2838651)
**Author:** [@srkirito01](https://forums.unrealengine.com/u/srkirito01)\ **Replies:** 1\ **Last updated:** [October 9, 2026, 10:33am UTC](https://forums.unrealengine.com/t/issue-opening-a-newly-created-project/2838651 "2026-10-09T10:33:37Z")
I’m having trouble creating projects in Unreal. When I create a project and try to open it, my computer automatically restarts. Does anyone know how I can fix this? My computer specs: Motherboard: Asus TUF B550-Plus … --- ## [Unreal Engine 5.7 Android packaged game lock orientation bug](https://forums.unrealengine.com/t/unreal-engine-5-7-android-packaged-game-lock-orientation-bug/2745071)
**Author:** [@3dstuff](https://forums.unrealengine.com/u/3dstuff)\ **Replies:** 4\ **Last updated:** [October 9, 2026, 8:13am UTC](https://forums.unrealengine.com/t/unreal-engine-5-7-android-packaged-game-lock-orientation-bug/2745071 "2026-10-09T08:13:23Z")
Hello, i see a problem on Android packaged game, orientation lock not working anymore, i don’t know but seems a UE5.7 bug, because i have the package from UE5.5 version and is working orientation is locked(Landscape), in… --- ## [AI move to node is broken and can't find anywhere to move?](https://forums.unrealengine.com/t/ai-move-to-node-is-broken-and-cant-find-anywhere-to-move/2838181)
**Author:** [@Verdict0224](https://forums.unrealengine.com/u/Verdict0224)\ **Replies:** 1\ **Last updated:** [October 9, 2026, 5:40am UTC](https://forums.unrealengine.com/t/ai-move-to-node-is-broken-and-cant-find-anywhere-to-move/2838181 "2026-10-09T05:40:59Z")
So I developed a simple AI controller based blueprint yesterday that’s supposed to just move and roam around on land. You attach it to the character BP The issue is, when I put the character down, it won’t move, unless … --- ## [What is the best way to optimize Nanite assets for large open-world environments?](https://forums.unrealengine.com/t/what-is-the-best-way-to-optimize-nanite-assets-for-large-open-world-environments/2838460)
**Author:** [@Suhebm](https://forums.unrealengine.com/u/Suhebm)\ **Replies:** 1\ **Last updated:** [October 9, 2026, 5:40am UTC](https://forums.unrealengine.com/t/what-is-the-best-way-to-optimize-nanite-assets-for-large-open-world-environments/2838460 "2026-10-09T05:40:32Z")
If I am making a very large open-world game, how can I make Nanite 3D objects work efficiently without causing performance issues? --- ## [Python Editor Scripting / UEFN MCP access – no Beta Access section (42.30)](https://forums.unrealengine.com/t/python-editor-scripting-uefn-mcp-access-no-beta-access-section-42-30/2838692)
**Author:** [@TwitchFastPlayer](https://forums.unrealengine.com/u/TwitchFastPlayer)\ **Replies:** 2\ **Last updated:** [October 8, 2026, 9:16pm UTC](https://forums.unrealengine.com/t/python-editor-scripting-uefn-mcp-access-no-beta-access-section-42-30/2838692 "2026-10-08T21:16:34Z")
Hi, I’d like to request access to Python Editor Scripting and UEFN MCP Toolsets. - Epic display name: TwitchFastPlayer - Platform: Windows 10 22H2 (10.0.19045.6466), x86\_64 - UEFN version: 6.0.0-58813929+++Fortnite+R… --- ## [Useful Lightweight Tools for Game Development Workflows ](https://forums.unrealengine.com/t/useful-lightweight-tools-for-game-development-workflows/2838661)
**Author:** [@PerpetualKoi8985](https://forums.unrealengine.com/u/PerpetualKoi8985)\ **Replies:** 0\ **Last updated:** [October 8, 2026, 5:56pm UTC](https://forums.unrealengine.com/t/useful-lightweight-tools-for-game-development-workflows/2838661 "2026-10-08T17:56:06Z")
While working on game projects, I’ve noticed that a lot of time can be spent on small tasks outside the actual Unreal Engine workflow. Things like calculating percentages, comparing values, checking changes between numb… --- ## [Editor Scripting Beta Access Request ](https://forums.unrealengine.com/t/editor-scripting-beta-access-request/2838659)
**Author:** [@Goldmen](https://forums.unrealengine.com/u/Goldmen)\ **Replies:** 0\ **Last updated:** [October 8, 2026, 5:56pm UTC](https://forums.unrealengine.com/t/editor-scripting-beta-access-request/2838659 "2026-10-08T17:56:04Z")
Hi Epic team, I’m a UEFN creator and I’d like to request access to the Python Editor Scripting Beta. Use case (editor-side automation only): I’m building a multiplayer party map “BoxRush” (cow-catching chaos with bos… --- ## [UE: Griffin Unreal Crash When Starting Star Wars Galactic Racers](https://forums.unrealengine.com/t/ue-griffin-unreal-crash-when-starting-star-wars-galactic-racers/2838007)
**Author:** [@Classic\_Orphy](https://forums.unrealengine.com/u/Classic_Orphy)\ **Replies:** 2\ **Last updated:** [October 8, 2026, 5:42pm UTC](https://forums.unrealengine.com/t/ue-griffin-unreal-crash-when-starting-star-wars-galactic-racers/2838007 "2026-10-08T17:42:48Z")
Is there a fix for this type of crash? I’m starting it up on Steam. The first time I started the game, it gave an option to reinstall Epic Online Services. I had never heard of that, so I downloaded the Epic Games Launch… --- ## [Entities moving incredibly slowly](https://forums.unrealengine.com/t/entities-moving-incredibly-slowly/2765107)
**Author:** [@pastelfable](https://forums.unrealengine.com/u/pastelfable)\ **Replies:** 8\ **Last updated:** [October 8, 2026, 5:35pm UTC](https://forums.unrealengine.com/t/entities-moving-incredibly-slowly/2765107 "2026-10-08T17:35:29Z")
I’m using mass for enemies in my project, and once the player gets close an actor belonging to the entity is spawned. I’m using a very simple behavior tree for the enemy AI with a MoveTo task, but for some reason the ene… --- ## [Mouse Position Is Wrong When Reparenting Window](https://forums.unrealengine.com/t/mouse-position-is-wrong-when-reparenting-window/324210)
**Author:** [@anonymous\_user\_94a535c9](https://forums.unrealengine.com/u/anonymous_user_94a535c9)\ **Replies:** 12\ **Last updated:** [October 8, 2026, 5:24pm UTC](https://forums.unrealengine.com/t/mouse-position-is-wrong-when-reparenting-window/324210 "2026-10-08T17:24:52Z")
Hello, I am reparenting the UE window to a different window using the Win32 API: \[DllImport("user32.dll", EntryPoint = "SetWindowLongA", SetLastError = true)\] public static extern int SetWindowLongA(\[System.Run… --- ## [Iris - Exporting actor components using an index as opposed to a NetRefHandle? ](https://forums.unrealengine.com/t/iris-exporting-actor-components-using-an-index-as-opposed-to-a-netrefhandle/2851878)
**Author:** [@anonymous-edc](https://forums.unrealengine.com/u/anonymous-edc)\ **Replies:** 4\ **Last updated:** [October 8, 2026, 2:27pm UTC](https://forums.unrealengine.com/t/iris-exporting-actor-components-using-an-index-as-opposed-to-a-netrefhandle/2851878 "2026-10-08T14:27:09Z")
Hello, Our game requires that we consistently spawn a lot of AI and those AI characters make heavy use of replicated components (20+ components). The result of this heavily componentized approach is that spawning a sing… --- ## [Integrate Chrono Physics Engine with the Unreal Engine 5](https://forums.unrealengine.com/t/integrate-chrono-physics-engine-with-the-unreal-engine-5/2025956)
**Author:** [@amanchauhan2432](https://forums.unrealengine.com/u/amanchauhan2432)\ **Replies:** 2\ **Last updated:** [October 8, 2026, 1:34pm UTC](https://forums.unrealengine.com/t/integrate-chrono-physics-engine-with-the-unreal-engine-5/2025956 "2026-10-08T13:34:29Z")
I have downloaded the chrono physics engine repository from the github and compiled the binaries. All the demo executable files of chrono physics engine which was built during compilation are working fine in the system t… --- ## [InputSystem - ChordedAction sending multiple values](https://forums.unrealengine.com/t/inputsystem-chordedaction-sending-multiple-values/1614914)
**Author:** [@IMRSVTools](https://forums.unrealengine.com/u/IMRSVTools)\ **Replies:** 1\ **Last updated:** [October 8, 2026, 11:58am UTC](https://forums.unrealengine.com/t/inputsystem-chordedaction-sending-multiple-values/1614914 "2026-10-08T11:58:51Z")
First off - I find it odd that the enhanced input system does not have a simple solution recognizing that people using computers in 2023 we might want to use key modifiers (Shift, Control, Alt) to allow another key to do… --- ## [FRayTracingGeometryManager::TickのCheckfに引っかかってしまう ](https://forums.unrealengine.com/t/fraytracinggeometrymanager-tick-checkf/2854980)
**Author:** [@anonymous-edc](https://forums.unrealengine.com/u/anonymous-edc)\ **Replies:** 11\ **Last updated:** [October 14, 2026, 4:24am UTC](https://forums.unrealengine.com/t/fraytracinggeometrymanager-tick-checkf/2854980 "2026-10-14T04:24:23Z")
この質問は、以下のスレッドに関連して作成されました: \[Content removed\] \
お世話になっております \
以前質問させていただきまして、ご提示いただいたCLの内容をマージしたんですが \
表題の通りFRayTracingGeometryManager.cppのcheckfに引っかかってしまいます \
checkf(GFrameCounterRenderThread != P… --- ## [UMG Scale Box Multi-Line Text Height Issue](https://forums.unrealengine.com/t/umg-scale-box-multi-line-text-height-issue/1879593)
**Author:** [@Katanalevy](https://forums.unrealengine.com/u/Katanalevy)\ **Replies:** 2\ **Last updated:** [October 8, 2026, 8:24am UTC](https://forums.unrealengine.com/t/umg-scale-box-multi-line-text-height-issue/1879593 "2026-10-08T08:24:02Z")
There seems to be an issue with using a Scale Box and a Text Box with wrapping turned on. Everything in the UI scales absolutely fine except for the line height which seems to over compensate. So if the window is 50% ori… --- ## [Niagara UI Renderer | Free Plugin for UE4/UE5](https://forums.unrealengine.com/t/niagara-ui-renderer-free-plugin-for-ue4-ue5/211365)
**Author:** [@SouryGame](https://forums.unrealengine.com/u/SouryGame)\ **Replies:** 118\ **Last updated:** [October 8, 2026, 8:00am UTC](https://forums.unrealengine.com/t/niagara-ui-renderer-free-plugin-for-ue4-ue5/211365 "2026-10-08T08:00:31Z")
Hi! For a long time I have wanted to enhance my games with some UI particles, but I couldn’t find a good option. The only available options were render targets, a clunky and expensive choice, or some plugin from the Mar… --- ## [When Unreal Engine Supports Xcode 27?](https://forums.unrealengine.com/t/when-unreal-engine-supports-xcode-27/2838455)
**Author:** [@DigbyZ](https://forums.unrealengine.com/u/DigbyZ)\ **Replies:** 1\ **Last updated:** [October 8, 2026, 7:01am UTC](https://forums.unrealengine.com/t/when-unreal-engine-supports-xcode-27/2838455 "2026-10-08T07:01:30Z")
I got some problem for package unreal engine program into iOS, when I use ChatGPT, it said “The iOS27 SDK must adopt the scene-based life cycle but UE5.8 doesn’t support it” There is original data (It’s Chinese, maybe y… --- ## [Issues about joining a session with the Advance Session Steam plugin ](https://forums.unrealengine.com/t/issues-about-joining-a-session-with-the-advance-session-steam-plugin/2743644)
**Author:** [@ZADIG](https://forums.unrealengine.com/u/ZADIG)\ **Replies:** 4\ **Last updated:** [October 8, 2026, 12:29am UTC](https://forums.unrealengine.com/t/issues-about-joining-a-session-with-the-advance-session-steam-plugin/2743644 "2026-10-08T00:29:25Z")
I’m trying to use the Advance Session plugin and when I launch the game with 2 players in Stand Alone mode, I can create one using the CreateAdvancedSession node, and this works. But when I want to join with my oither sc… --- ## [Steam Achievements WITHOUT triggering Windows Firewall popup](https://forums.unrealengine.com/t/steam-achievements-without-triggering-windows-firewall-popup/2833082)
**Author:** [@toomuchabstracti](https://forums.unrealengine.com/u/toomuchabstracti)\ **Replies:** 3\ **Last updated:** [October 8, 2026, 12:23am UTC](https://forums.unrealengine.com/t/steam-achievements-without-triggering-windows-firewall-popup/2833082 "2026-10-08T00:23:54Z")
I followed this tutorial for setting up Steam achievements: And it worked. However, now when I try to launch a packaged build, I get a Windows Firewall popup. This previously did not happen. I’m using a Shipping build… --- ## [Join Session not working Steam Multiplayer](https://forums.unrealengine.com/t/join-session-not-working-steam-multiplayer/2608242)
**Author:** [@Owenwrn](https://forums.unrealengine.com/u/Owenwrn)\ **Replies:** 11\ **Last updated:** [October 8, 2026, 12:18am UTC](https://forums.unrealengine.com/t/join-session-not-working-steam-multiplayer/2608242 "2026-10-08T00:18:39Z")
I seem to have the same issues as the users in this post: Join Session does not work (Steam, Advanced sessions plugin) I have set up steam multiplayer following this tutorial: https://www.youtube.com/watch?v=5nMKEKV0acI&… --- ## [How do I access the size of a sprite?](https://forums.unrealengine.com/t/how-do-i-access-the-size-of-a-sprite/45911)
**Author:** [@anonymous\_user\_3887590c](https://forums.unrealengine.com/u/anonymous_user_3887590c)\ **Replies:** 14\ **Last updated:** [October 7, 2026, 11:23pm UTC](https://forums.unrealengine.com/t/how-do-i-access-the-size-of-a-sprite/45911 "2026-10-07T23:23:45Z")
Right now I just want to find the size of a sprite component in a Blueprint class because I want to use it to restrict the panning of the camera, but after searching the menu I can’t get any further than Get Sprite, whic… [Previous page](https://forums.unrealengine.com/c/development-discussion/programming-scripting/148.md?page=18) [Next page](https://forums.unrealengine.com/c/development-discussion/programming-scripting/148.md?page=20)