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Defense Matrix Trivialities

Forum Index > Blogs
 
 Ecrilon   November 14 2011 10:11. Posts 491
Profile Blog # 
First of all, this is Brood War, as SC2 does not actually have Defense Matrix.

Someone asked me whether Psionic Storm damage was reduced by armor today. I responded "no." Obviously not. The only thing that would dampen Psionic Storm damage was the Defensive Matrix. "Oh," he said. That conversation was over, and that should have really been the end of it. But nope, that didn't happen.

I was curious, first of all. How much does storm do against a unit that has a defense matrix? "4," some of you veterans might say. Well you veterans need to stop being jerks, but yes, it does 4. Storm ticks 8 times over 7 game seconds, doing 14 damage each time. Every second attack does 1 damage to the unit itself, unreduced by armor, just as it does if the armor value of the unit exceeds the attacker's damage. Simple enough. But then, since I already had the mind controlled SCV and some units to test, I thought I'd do some more testing.

In particular, what exactly happens when the D Matrix depletes? There are two attacks in a non modified game that will instantly deplete a D Matrix, Nuclear Strike and Yamato Gun. I obviously had access to both, but only tested Yamato Gun. Yamato Gun does a standard 260 damage to all targets and is normally affected by armor. This held. One Battlecruiser shot the other and did a total of 7 damage. 260-250 (D-Matrix)-3 (armor). I healed the damage and moved on to the next test.

I gathered a fleet of 10 unupgraded Battlecruisers (25 damage) and shot a D matrix shield. The D matrix was gone, and the Battlecruiser had sustained 5 damage. Well that was interesting, to an extent. The combined damage of the Battlecruisers was 250, but the total damage sustained was 255. Cool, cool. So the first result was this: D matrix will always deplete by the full damage of the attack, but every second attack on the D matrix will deal 1 damage to the unit itself. You can make this more dramatic, but not significantly, by using a zergling instead. Within 50 attacks, a swarm of zerglings will deplete the D-Matrix and will have dealt an additional 25 damage. That's 62.5%!...of 1 marine. Good. It's also a 10% damage increase if, you know, you were in the business of using swarms of zerglings against D Matrixed marines in such a way that they would completely deplete the Matrix.

If the last result was incredibly underwhelming, this one is even more so. I gathered my same fleet of 10 unupgraded Battlecruisers, and used 9 of them to hit a D-Matrixed Battlecruiser. 4 damage, as expected. Then I upgraded Air Weapons level 1, raising the individual Battlecruiser attack to 28. I hit the damaged battlecruiser again. No damage. Huh. The Matrix was gone, but no damage was dealt. There's really only one explanation for this, but I wanted to be sure. I tested timing. As expected, the delay didn't matter. As long as the D matrix was still up, it "remembers" that the last attack it took did not deal the 1 damage to the unit. So what happened here? Well the 28 damage done to the D Matrix depleted it, but did not tick the one damage that it was supposed to. That's because unlike the 25 damage that also depletes the D Matrix, the 28 overkills and hits the Battlecruiser's base 3 armor, which resets the tick counter. Instead of being a tick counter on the Matrix, it's now a tick counter on the armor. The next attack, if it were valued lower than 3, would deal 1 damage to the Battlecruiser, but this one doesn't. That means that if, in theory, you dealt 125 then 125 damage to a D-Matrixed unit, you would deal 1 damage and deplete the Matrix. If you dealt 125 then 126 damage to a D-Matrixed unit with at least 1 armor, you would deal no damage and the D-Matrix would deplete. You would also gain 1 on the tick counter, but obviously this is not the compensation you want as you just lost 100% of 1 damage, after you clearly dealt more damage. (251>250, 0<1) And that's terrible.

I bet this was fascinating to you.

I am probably now down the value of the bet.

Thanks for reading.

****
There is but one truth.
Old Post

 
 Roe   Canada. November 14 2011 10:16. Posts 5147
Profile Blog # 

On November 14 2011 10:11 Ecrilon wrote:
First of all, this is Brood War, as SC2 does not actually have Defense Matrix.


I don't get it.

User was warned for this post
Old Post

 
 StorrZerg   United States. November 14 2011 10:17. Posts 8998
Profile Blog # 
pretty interesting i have to say. Please some more bets lol
Reminds me of the ensnare guide, that was very interesting as well.
Coach/ Manager for Team Fin Follow me on twitter@StorrZerg
Old Post

 
 Toadily   United States. November 14 2011 10:32. Posts 791
Profile Blog # 
I can't believe I actually read the whole thing.. afterwards I was just thinking to myself.. WHY?!
Old Post

  Kau  *   Canada. November 14 2011 10:34. Posts 2241Profile # 
Have you tried matrixing an archon and then storming it?
 
Old Post

 
 darkness   Bulgaria. November 14 2011 10:40. Posts 2670
Profile Blog # 
Interesting discovery. However, 1 damage isn't a big deal imho.
Btw, is it me or are archons tougher against storm? No, I don't mean they have higher HP than most units.. it just that they take less damage as far as I remember. Same with ultralisks.

+ Show Spoiler +
Last edit: 2011-11-14 10:41:53
Old Post

 
 yoshi_yoshi   United States. November 14 2011 10:42. Posts 438
Profile # 
I don't think there is anything special about D-matrix, but that in BW the minimum damage per attack is 0.5. In a lot of UMS, you will have a hero with a large armor, like 50, and a zergling with 5 attack will still do 0.5 damage each strike. I guess this means that D-matrix acts more like increasing your armor to a super-high level, than like Protoss shields which absorb all of the incoming damage.
Old Post

 
 GMarshal   United States. November 14 2011 12:14. Posts 20828
Profile Blog # 
This was actually fascinating, mad props to you for testing it out. Mind you I doubt it makes any significant difference at all, but its still cool ^_^
"life of lively to live to life of full life thx to shield battery" The measure of a terrible day is when you go to bed thinking "man, I wish the zombie apocalypse would start already"
Old Post

 
 rabidch   Singapore. November 14 2011 12:19. Posts 8131
Profile # 
Damn that's just cruel.
thug life.
Old Post

 
 Ecrilon   November 14 2011 12:43. Posts 491
Profile Blog # 
My testing shows that there is no difference in storm damage for Ultras and Archons. Ultras generate slightly faster, and gain 2 hp during the storm to end up at 290. Archons regenerate slightly slower and end up at 239, but it very quickly ticks to 240 after the storm ends. Playing on very slow, it's reasonably clear that this is always true.
Upon D-matrixing, the ultra behaves normally. It takes 4 damage and regenerates 2. The Archon, as with ALL Protoss units, takes 4 damage on its HEALTH. Yes, you can kill an archon with 3 storms as you D matrix it first. You can also EMP it, which I would argue is easier. I'm not sure why Storm hits hp under a D Matrix while normal attacks hit shield, but I assume that was the result Kau was hinting at.
Last edit: 2011-11-14 12:46:05
There is but one truth.
Old Post

  aimaimaim   Philippines. November 14 2011 13:15. Posts 2166Profile Blog # 
This is like a Biology Laboratory test with units as labrats .. awesome blog
Religion is a dying idea .. || 'E-sport' outside Korea are nerds who wants to feel like rockstars. || I'm not gonna fuck with trolls on General Forum ever again .. FUCK!
Old Post

 
 laLAlA[uC]   Canada. November 14 2011 13:29. Posts 946
Profile Blog # 
. . . . Oh my god how long did this take? lol. interesting find
B- 1v1, B+ 2v2 // Master 1v1, Master 2v2 // Waterloo CSL Team
Old Post

 
 OnceKing   United States. November 14 2011 13:34. Posts 219
Profile Blog # 
Actually, I think Yamato Cannon's damage is explosive and as such will do half to small units and 75% to medium.
Old Post

 
 Ecrilon   November 14 2011 13:58. Posts 491
Profile Blog # 

On November 14 2011 13:34 OnceKing wrote:
Actually, I think Yamato Cannon's damage is explosive and as such will do half to small units and 75% to medium.

My mistake, you are correct. A zealot survives a Yamato Cannon with 1 hp remaining.


On November 14 2011 13:29 laLAlA[uC] wrote:
. . . . Oh my god how long did this take? lol. interesting find

It took about as long as it took to execute, around 15 minutes.
Last edit: 2011-11-14 14:00:08
There is but one truth.
Old Post

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