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Filip Sivák
Filip Sivák

22 Followers

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Jan 22, 2022

Python in Unreal Engine — The undocumented parts

There are many tutorials on how to use python in Unreal Engine, however, they are often missing the interesting parts: how to get a subsystem in python how to return struct or array from a python function how to pip install package into Unreal Engine In this article, I cover…

Unreal Engine

4 min read

Python in Unreal Engine — The undocumented parts
Python in Unreal Engine — The undocumented parts
Unreal Engine

4 min read


Aug 5, 2021

Add Edit this widget button to your editor widgets!

You can shave off a few seconds of finding a widget asset by directly providing “Edit this widget” button to your widgets. Clicking the button opens the asset editor with that given widget: Firstly, we will create a C++ blueprint function that will open our widget with editor: The magic is hidden in “WidgetCreatedBy”, which holds a reference to the asset responsible for “generating” our editor widget window.

Unreal Engine

1 min read

Add Edit this widget button to your editor widgets!
Add Edit this widget button to your editor widgets!
Unreal Engine

1 min read


May 9, 2021

Unreal — How to use Details View and Single Property View in Editor Utility Widget

The image above contains a plain old simple Editor Utility Widget, backed by a very simple blueprint and nothing else. You can display “actor pickers”, “asset pickers” and other useful widgets in the Editor Utility Widget by using “Details View” or “Single property view”! …

Unreal Engine

3 min read

Unreal — How to use Details View and Single Property View in Editor Utility Widget
Unreal — How to use Details View and Single Property View in Editor Utility Widget
Unreal Engine

3 min read


May 9, 2021

Unreal — open editor utility widget by C++

You can open any Editor utility widget simply by calling: The path to the widget is given by FString provided to LoadAsset function. You can find the path by right-clicking any asset and choosing “Copy reference”.

Unreal Engine

1 min read

Unreal — open editor utility widget by C++
Unreal — open editor utility widget by C++
Unreal Engine

1 min read


Mar 29, 2021

Automating 3Ds Max export to Unreal Datasmith using Python

Unreal has quite a handy plugin for 3Ds Max that is able to export to Unreal Datasmith. Advantages of using Datasmith over FBX or Alembic: Geometry is exported as a hierarchy, rather than just a single actor. If you have 100 distinct components, you have each component as a single…

Unreal Engine

2 min read

Automating 3Ds Max export to Unreal Datasmith using Python
Automating 3Ds Max export to Unreal Datasmith using Python
Unreal Engine

2 min read


Mar 20, 2021

Hacking Unreal Engine AlembicImporter to provide a better error message regarding ngons

For now (as of UE4 4.26.1) Unreal Engine does not allow importing alembic with a face that has more than 4 vertices. Sadly, Unreal does not tell you which mesh of imported file is the one he complaints about. In a complicated Alembic file, you can have thousands of meshes…

Unreal Engine

3 min read

Hacking Unreal Engine AlembicImporter to provide a better error message regarding ngons
Hacking Unreal Engine AlembicImporter to provide a better error message regarding ngons
Unreal Engine

3 min read


Mar 7, 2021

Creating a preview (playblast) in Houdini and converting it to GIF

When you want to share a quick preview of your animation in Houdini, it’s better to export a playblast (recording of the viewport), rather than wait for a lengthy render. A step by step explanation follows:

Houdini

2 min read

Creating a preview (playblast) in Houdini and converting it to GIF
Creating a preview (playblast) in Houdini and converting it to GIF
Houdini

2 min read


Jan 3, 2021

Cyberpunk 2077 — gorgeous game with a badly simulated open world

This article does not contain story spoilers of Cyberpunk 2077. Raytracing for the rescue What makes Cyberpunk 2077 gorgeous is raytracing. No wonder console users are not satisfied with the game when they are missing the essential component that makes Cyberpunk next-gen! Watch this technical analysis from Digital Foundry. GTA V did a simulated open world better With comparable development budgets…

Cyberpunk 2077

1 min read

Cyberpunk 2077 — gorgeous game with a badly simulated open world
Cyberpunk 2077 — gorgeous game with a badly simulated open world
Cyberpunk 2077

1 min read


Jan 2, 2021

Browsing the source code of Unreal Engine

Cloning UE4 codebase (https://www.unrealengine.com/en-US/ue4-on-github) is very useful even if you don’t plan to build the latest engine version. Here are a few use cases that I use regularly myself! Finding C++ code behind a blueprint node You know how to do things in a blueprint but don’t know how to go about it in C++? …

Unreal Engine

2 min read

Browsing the source code of Unreal Engine
Browsing the source code of Unreal Engine
Unreal Engine

2 min read


Jan 1, 2021

Making a compilation of Netflix movies you watched past year

It’s that time of year again when all kind of compilation videos are popping up on YouTube. From best memes of 2020 (https://www.youtube.com/watch?v=FGgtwEQ-BTk), most important news (https://www.youtube.com/watch?v=vGQQbulRUjY) to best movies (https://www.youtube.com/watch?v=JjOTEOLY6-0). What if you could do your own compilation of movies and series you watched? Pre-requirements: coding skills (or copy-paste…

Ffmpeg

4 min read

Making a compilation of Netflix movies you watched past year
Making a compilation of Netflix movies you watched past year
Ffmpeg

4 min read

Filip Sivák

Filip Sivák

22 Followers

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