Author Topic: Couple of Questions on Damage Rating and Surges
EndyTheUnsane 
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Subject: Couple of Questions on Damage Rating and Surges
I've been working on adding an Iron/Granite Calculator to my Tinkering Calculator. It's almost finished, but I have a couple of questions I could use some help with.

I have done a lot of searching, but there are just a couple of things that I couldn't find specific information on.

First, when adding in the Damage Rating, is that off of base damage or buffed damage?

Second, what is the formula for calculating how Surge of Destruction affects things? I know it's +20 Damage Rating for 10 seconds, but I need to figure out how it gets put into the formula for figuring out the average damage over time.

 

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joeblow8579 
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Subject: Couple of Questions on Damage Rating and Surges
I'd read the various forum posts about rating. Some of them are linked here:

http://ac.wikkii.net/wiki/Rating

Damage rating is calculated like this: DamageMod% = (100 + TotalDmgRating)/100

 

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EndyTheUnsane 
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Subject: Couple of Questions on Damage Rating and Surges
Yup, I've got that. I just haven't seen where it says that you use what you get from that on base or buffed damage.

 

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joeblow8579 
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Subject: Couple of Questions on Damage Rating and Surges
I recall seeing that ratings are added after everything else is calculated. So I believe that the damage rating multiplier is the last operation done to calculate damage.

 

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EndyTheUnsane 
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Subject: Couple of Questions on Damage Rating and Surges
Ok, I think that might have given me the perspective I need for that. So my formulas should be pretty close to the following.

Max = Maximum Damage
Min = Minimum Damge
CritRate = Critical Hit Rate
Multiplier = Critical Hit Damage Multiplier
Average = Average Damage Over Time
Var = Variance
DR = Damage Rating
CDR = Critical Hit Damage Rating

Average = ((Max * CritRate * Multiplier) * CDR) + (((1 - CritRate) * (Max + Max * (1 - Var))/2) * DR)

Var = (Max - Min)/Max

CritRate = Normal 10%
Critical Strike (Base Weapon Skill - 100)/600 (Caps at 400 base skill)
Eye of the Remorseless adds 1%

Multiplier = Normal 2
Crippling Blow (Base Weapon Skill - 40)/60 (Caps at 400 base skill)

DR = (100 + Total Damage Rating)/100
CDR = (100 + Total Damage Rating + Total Critical Damage Rating)/100

Then I would just need to figure out how to add Surge of Destruction into it.

 

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joeblow8579 
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Subject: Couple of Questions on Damage Rating and Surges
EndyTheUnsane posted:
Ok, I think that might have given me the perspective I need for that. So my formulas should be pretty close to the following.

Max = Maximum Damage
Min = Minimum Damge
CritRate = Critical Hit Rate
Multiplier = Critical Hit Damage Multiplier
Average = Average Damage Over Time
Var = Variance
DR = Damage Rating
CDR = Critical Hit Damage Rating

Average = ((Max * CritRate * Multiplier) * CDR) + (((1 - CritRate) * (Max + Max * (1 - Var))/2) * DR)

Var = (Max - Min)/Max

CritRate = Normal 10%
Critical Strike (Base Weapon Skill - 100)/600 (Caps at 400 base skill)
Eye of the Remorseless adds 1%

Multiplier = Normal 2
Crippling Blow (Base Weapon Skill - 40)/60 (Caps at 400 base skill)

DR = (100 + Total Damage Rating)/100
CDR = (100 + Total Damage Rating + Total Critical Damage Rating)/100

Then I would just need to figure out how to add Surge of Destruction into it.

That looks right. As far as surges go, I'm not sure anyone has conclusively proved what the surge rate is for various aetheria, so I'm not sure how you'd go about adding that to the calculation.

I suspect what's needed is a decal plugin to track the surge rate over a large sample of attacks (thousands at least), to get statistically accurate information about the rate for different level aetheria.

Adding that to the calculation would then be a matter of figuring the rate and then adding the 20 damage rating in that percentage of the time.

Overall, I'm not sure surges need to be taken into account, since there are a large number of variables associated with them. I'd ignore them completely if I were you.

 

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EndyTheUnsane 
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Subject: Couple of Questions on Damage Rating and Surges
It would feel incomplete to not take into account Surge of Destruction, however, I may go ahead and release the next version without it. I just thought I saw some posts on the Turbine forums about the Damage Rating and what it would be with Surge of Destruction.

I think beyond that I just have one more thing I would like to finish up and the next release will be ready.

 

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