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Explosion damage bypasses solid structures (armor, walls, ceiling...) (MAMA)
Confirmed Internally, NormalPublic

Description

Game Version number: 1.3.0.170
Modded?: No

Issue Description: This is a major bug. It is too often that crew members get killed because of some explosion near by, even though the vehicle itself received zero damage from the explosion. Even the simple grenades thrown under LAV or BTR can kill crew members in some cases.
This makes armored vehicles feel like they’re made of cardboard, undermining their role as protected transports. Realistically, crew survivability should depend on the vehicle’s armor integrity, not just proximity to the explosions. Armored vehicles must offer decent protection from explosions.
This happens mostly if explosion was close enough to the soldier.

Right now, a $3 grenade defeats a 10-ton armored vehicle. That’s not realism — that’s a bug.

  • There is a small demo: https://youtu.be/MGq7i5W8M9E?si=s4SAyrf2lUjVLU54
  • And another demo with LAV's HEI-T: https://www.youtube.com/watch?v=YDgarXW9UBc
  • The same applies to the helicopters rockets. And i guess to any type of explosions in the game.
  • Also armored vehicles (BTR and LAV) cant stand mines at all. In real life maximum damage that blast mines can cause to such vehicles is a wheels destruction and temporary concussion. But in the game mines kill all of the crew members above them, cause a lot of damage to the vehicle and catch them on fire.
  • This bug probably also applies to the body armor. I just dont know how to properly test it. I hope that u can figure it out.
  • After some more testing i think explosion damage can ignore a lot of things, not only armor. Like walls, doors, ceiling, its just OP.

Moreover - this problem goes further - to the modded vehicles. They suffer A LOT from explosions, since modded guns have a larger caliber than in the vanilla game, and the explosions are much more powerful. However, they are still high-explosive fragmentation shells and should in no way penetrate the thick armor of, for example, the T-14 or Abrams. Crew is too vulnerable.

Suggestions:

  1. Tweak explosion damage mitigation — Crew should only take damage if:
  • The vehicle’s armor is penetrated.
  • The explosion occurs inside the vehicle (grenade through a hatch).
  1. Implement ‘spall liners’ — Reduce crew damage from nearby non-penetrating blasts.
  1. Adjust shockwave mechanics — Limit crew injury to concussion effects (temporary blur/ringing) unless armor is breached.

MAMA - Make armor matter again :)

Details

Severity
Major
Resolution
Open
Reproducibility
Always
Operating System
Windows 11 x64
Category
General
Steps To Reproduce

Event Timeline

kasparhzr updated the task description. (Show Details)Sun, May 18, 2:33 PM
kasparhzr edited Steps To Reproduce. (Show Details)
kasparhzr updated the task description. (Show Details)
kasparhzr updated the task description. (Show Details)
kasparhzr updated the task description. (Show Details)Sun, May 18, 7:01 PM
kasparhzr updated the task description. (Show Details)Sun, May 18, 7:07 PM
kasparhzr updated the task description. (Show Details)Mon, May 19, 3:47 AM
kasparhzr updated the task description. (Show Details)
kasparhzr updated the task description. (Show Details)Mon, May 19, 11:10 AM
Geez changed the task status from New to Awaiting internal Testing.Mon, May 19, 2:13 PM
lwing added a subscriber: lwing.Mon, May 19, 4:03 PM
kasparhzr updated the task description. (Show Details)Mon, May 19, 10:09 PM
kasparhzr updated the task description. (Show Details)Tue, May 20, 4:32 AM
kasparhzr updated the task description. (Show Details)
kasparhzr added a comment.EditedTue, May 20, 5:07 AM

Just found out that not only crew receives damage from explosions with no penetration. ALL of the vehicle systems do. This is also should not be like that.

Geez changed the task status from Awaiting internal Testing to Confirmed Internally.Tue, May 20, 10:47 AM

Thank you for confirmation!)
Just wanted to know did you confirm this affecting only vehicle armor or also the body armor?

Geez added a subscriber: Geez.Tue, May 20, 12:46 PM

hello, currently it has been confirmed for LAV-25 and BTR-70

kasparhzr updated the task description. (Show Details)Fri, May 23, 1:34 PM
kasparhzr renamed this task from Explosion damage bypasses vehicle armor (MAMA) to Explosion damage bypasses solid structures (armor, walls, ceiling...) (MAMA).Fri, May 23, 1:49 PM

Here is the demo of explosion damage bypassing solid wall.

This means that this the bug applies to everything in the game. Not only armor, or walls, but i think everything. Including body armor.
Easier to reproduce with m67 grenade due to the larger explosion.

Could you please confirm that all the additions to the ticket and comments will be taken into account by the developers? Because this is a really serious issue, and as a player who is head over heels in love with Arma Reforger, it deeply concerns me—much more than any other problems.🥹

Geez added a comment.Mon, May 26, 10:03 AM

Could you please confirm that all the additions to the ticket and comments will be taken into account by the developers? Because this is a really serious issue, and as a player who is head over heels in love with Arma Reforger, it deeply concerns me—much more than any other problems.🥹

yes, the information is added into the internal ticket as well.