[Unreal] Game Ability System(GAS)

2025. 6. 10. 00:23ยท๐Ÿ–ฅ๏ธ Study Note/Unreal Engine

GAS๋Š” ์–ด๋นŒ๋ฆฌํ‹ฐ(์•กํ„ฐ๊ฐ€ ํ•  ์ˆ˜ ์žˆ๋Š” ๊ฒƒ์œผ๋กœ ์•กํ‹ฐ๋ธŒ ์Šคํ‚ฌ์ด๋‚˜ ํŒจ์‹œ๋ธŒ ์Šคํ‚ฌ๊ณผ ๊ฐ™์€ ๋Šฅ๋ ฅ)๋‚˜ ์–ดํŠธ๋ฆฌ๋ทฐํŠธ(์•กํ„ฐ์˜ ๋Šฅ๋ ฅ์น˜)๋ฅผ ๋งŒ๋“ค ์ˆ˜ ์žˆ๋Š” ๊ต‰์žฅํžˆ ์œ ์—ฐํ•œ ํ”„๋ ˆ์ž„์›Œํฌ๋กœ RPG๋‚˜ MOBA๋ฅ˜์˜ ๊ฒŒ์ž„์—์„œ ์‚ฌ์šฉํ•˜๋ฉด ์ข‹๋‹ค. ์–ด๋นŒ๋ฆฌํ‹ฐ์˜ ๊ฒฐ๊ณผ๋กœ ์–ดํŠธ๋ฆฌ๋ทฐํŠธ๋ฅผ ๋ณ€๊ฒฝ์‹œํ‚ค๊ฑฐ๋‚˜ ๋ฒ„ํ”„๋‚˜ ๋””๋ฒ„ํ”„, ์ฟจ๋‹ค์šด ํƒ€์ด๋จธ ํ˜น์€ ๋งˆ๋‚˜ ์‚ฌ์šฉ๊ณผ ๊ฐ™์€ ์ž์› ๋น„์šฉ์„ ๊ตฌํ˜„ํ•  ์ˆ˜ ์žˆ๋‹ค. ์–ด๋นŒ๋ฆฌํ‹ฐ์˜ ํŒŒํ‹ฐํด์ด๋‚˜ ์‚ฌ์šด๋“œ๋„ ์„ค์ •ํ•  ์ˆ˜ ์žˆ๋‹ค. ์ ํ”„์™€ ๊ฐ™์€ ๊ฐ„๋‹จํ•œ ์–ด๋นŒ๋ฆฌํ‹ฐ๋‚˜ ์šฐ๋ฆฌ๊ฐ€ ๋‹ค๋ฅธ ๊ฒŒ์ž„์—์„œ ๋ณด๋˜ ๋ณต์žกํ•œ ์Šคํ‚ฌ๋„ ๊ตฌํ˜„์ด ๊ฐ€๋Šฅํ•˜๋‹ค.

GAS๋Š” ์‹ฑ๊ธ€ ํ”Œ๋ ˆ์ด์™€ ๋”๋ถˆ์–ด ๋ฉ€ํ‹ฐ ํ”Œ๋ ˆ์ด ๊ฒŒ์ž„์—์„œ๋„ ์‚ฌ์šฉ๊ฐ€๋Šฅํ•˜๋„๋ก ๋‹ค์Œ ์‚ฌํ•ญ์˜ ๊ธฐ๋ณธ ์†”๋ฃจ์…˜์„ ์ œ๊ณตํ•œ๋‹ค.

  • Game Abilities ⇒ ๋ ˆ๋ฒจ ๊ธฐ๋ฐ˜ ์บ๋ฆญํ„ฐ ๋Šฅ๋ ฅ์ด๋‚˜ ๋น„์šฉ์ด๋‚˜ ์ฟจํƒ€์ž„์ด ์žˆ๋Š” ์Šคํ‚ฌ ๊ตฌํ˜„
  • Attributes ⇒ Actor์˜ ๋Šฅ๋ ฅ์น˜ ์ •์˜ ๋ฐ ์ฒ˜๋ฆฌ
  • Gameplay Effects ⇒ Actor์— ์ƒํƒœ ํšจ๊ณผ ์ ์šฉ
  • Gameplay Tags ⇒ Ability๋‚˜ Effect, ์•กํ„ฐ ์ƒํƒœ๋ฅผ ํƒœ๊ทธ๋กœ ๋ถ„๋ฅ˜
  • Gameplay Cues ⇒ ์‹œ์ฒญ๊ฐ ์ดํŽ™ํŠธ ์Šคํฐ

๋ฉ€ํ‹ฐ ํ”Œ๋ ˆ์ด์–ด ๊ฒŒ์ž„์—์„œ GAS๋Š” ๋‹ค์Œ ๊ธฐ๋Šฅ์— client-side prediction์„ ์ œ๊ณตํ•œ๋‹ค.

  • Ability ํ™œ์„ฑํ™”
  • ์• ๋‹ˆ๋ฉ”์ด์…˜ ๋ชฝํƒ€์ฃผ ํ”Œ๋ ˆ์ด
  • Attributes ๋ณ€๊ฒฝ
  • Gameplay Tags ์ ์šฉ
  • Gameplay Cue ์Šคํฐ
  • Character Movement Component ์— ์—ฐ๊ฒฐ๋œ Root Motion Source ํ•จ์ˆ˜ ํ˜ธ์ถœ

GAS๋Š” C++ ํ™˜๊ฒฝ์—์„œ ์„ธํŒ…๋˜์–ด์•ผ ํ•˜์ง€๋งŒ Gamplay Abilties ๋‚˜ Gameplay Effect ๋Š” BP๋กœ ์ƒ์„ฑ๋  ์ˆ˜ ์žˆ๋‹ค.

 

 

  • Ability System Component

 

์ถœ์ฒ˜

https://github.com/tranek/GASDocumentation/blob/master/README.md

 

GASDocumentation/README.md at master · tranek/GASDocumentation

My understanding of Unreal Engine 5's GameplayAbilitySystem plugin with a simple multiplayer sample project. - tranek/GASDocumentation

github.com

 

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