Exposing Variables to the Level Editor | Coding a 2D Game Engine in Java #21

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In this tutorial, I go over how to expose public and private member variables of a class to our level editor. This way we do not have to build a custom ImGui window for every variable if we do not want too, but we still can do that if we would like to. We will use Java's reflection library to find and expose these variables, and then we will use the Gson from the previous two tutorials to save and load these values, making for a mostly complete level editor.

Source Code: https://github.com/codingminecraft/MarioYoutube/tree/9470df41d1a5413e51846ba4a8258de7e1b9edff

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Website: https://ambrosiogabe.github.io/
Github: https://github.com/ambrosiogabe

Here are some books I recommend if you want to learn about game engine development more thoroughly. I do not profit off any of these sales, these are just some books that have helped me out :)

My Recommended Game Engine Books:
Game Engine Architecture: https://www.gameenginebook.com/
Game Physics Cookbook (Read this before the next physics book): https://www.amazon.com/Game-Physics-Cookbook-Gabor-Szauer/dp/1787123669
Game Physics (Ian Millington): https://www.amazon.com/Game-Physics-Engine-Development-Commercial-Grade/dp/0123819768
Game Programming Patterns (Free): https://gameprogrammingpatterns.com/

My Recommended Beginning Game Programming Books:
JavaScript Game Design: https://www.apress.com/gp/book/9781430247166

My Recommended Java Books:
Data Structures/Algorithms: https://www.amazon.com/Data-Structures-Algorithms-Java-6th-ebook/dp/B00JDRQF8C
LWJGL (Free, but I haven't read this thoroughly): https://lwjglgamedev.gitbooks.io/3d-game-development-with-lwjgl/content/

Outro Music: https://www.bensound.com/royalty-free-music




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2020-06-27Basic Vector Math | Coding a 2D Physics Engine in Java #2
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2020-06-24Snap To Grid Tool | Coding a 2D Game Engine in Java #25
2020-06-22Translating 10,000 Lines of Java Code to C++ Part 1 | Cocoa Engine Devlog #9
2020-06-19Debug Drawing Functions | Coding a 2D Game Engine in Java #24
2020-06-16Drag 'N Drop Level Editor | Coding a 2D Game Engine in Java #23
2020-06-12Converting Screen Coords to World Coords | Coding a 2D Game Engine in Java #22
2020-06-09Exposing Variables to the Level Editor | Coding a 2D Game Engine in Java #21
2020-06-05Deserialization with Gson | Coding a 2D Game Engine in Java #20
2020-06-02Serialization with Gson | Coding a 2D Game Engine in Java #19
2020-05-31Coding Physics (Again) and MSAA | Cocoa Engine Devlog #8
2020-05-29ImGui Fonts and Scene Integration | Coding a 2D Game Engine in Java #18
2020-05-27Integrating ImGui | Coding a 2D Game Engine in Java #17
2020-05-22Alpha Blending and Z-Indexing | Coding a 2D Game Engine in Java #16
2020-05-20Dirty Flags in Rendering | Coding a 2D Game Engine in Java #15
2020-05-18Maintaining Aspect Ratio in 2D Games | LWJGL Series #2
2020-05-15Spritesheets | Coding a 2D Game Engine in Java #14
2020-05-13ImGui in LWJGL | LWJGL Series #1



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