# Correlate hit points of prop with its mass value

### Identify a Problem

The value of a wreck (in mass) has no relationship to its hit points (abbreviated to hp for the remainder of the topic). There are numerous examples in the next section.

A consequence is that wrecks of structures (and units) of the Cybran faction are a lot easier to get rid of than wrecks of other factions. Another consequence is that sometimes it can be surprisingly easy or difficult to get rid of a wreck, depending on the health of the unit that was turned into a wreck.

### Showcase the Problem

• A rock with a similar reclaim value of a tech 1 factory has 50 hp, while the wreck of the mentioned factory has about 2K hp
• A wreck of a fatboy has 12K hp, while the wreck of a colossus has 100K hp
• A wreck of a game ender has about 5K to 10K hp, while it consists of 200K+ worth of mass
• A wreck of a bomber has about 200 hp, while a wreck of a power generator (roughly the same) has 600+ hp

### Find a Solution

Props (and in particular: wrecks) have five times their mass value as health. This means that:

• Average tech 1 land unit has wrecks with 100 - 300 health
• Average tech 2 land unit has wrecks with 500 - 1200 health
• Average tech 3 land unit has wrecks with 1400 - 5000 health

A wreck of the Fatboy has roughly the same amount of hit points of the wreck of a colossus.

It also means that:

• Chain reactions on tech 3 resource generation structures are less likely to destroy wrecks
• The wrecks of tech 3 artillery and game enders would be virtually impossible to destroy

### Justify the Solution

Wreck values can be seen using the reclaim overlay. A player is immediately aware of the health of a wreck at any given moment.

A work of art is never finished, merely abandoned

I like it!

It makes intuitive sense (big thing should be harder to kill than small thing),
makes interactions much more predictable and as such strategic decisions regarding wrecks a lot more appealing
(a t1 bomber will always delete X mass from a wreck, so you know when it would be worth it)
and I don't think we'd loose anything important changing the current behavior (I guess it would be a very slight buff to fatboys, but that seems fine).

So yeah, great idea

It makes more sense to me that wrecks are based on the unit's health than all having the same ratio - e.g. with the proposed solution while you could kill a sniperbot quickly (700 health) the wreck would take far longer (4,400 health). A T3 arti meanwhile would have a massive 360,000 health so for example if you managed to do a strat 'snipe' on the t3 arti you could no longer try and also destroy the wreck to try and justify the large mass cost of the attack.

I'm also not sure what the problem is of having wrecks of low health units die quicker than higher health units with the same mass value.

M27AI developer; Devlog and more general AI development guide:
https://forum.faforever.com/topic/2373/ai-development-guide-and-m27ai-v66-devlog

``````  It makes more sense to me that wrecks are based on the unit's health than all having the same ratio - e.g. with the proposed solution while you could kill a sniperbot quickly (700 health) the wreck would take far longer (4,400 health).  A T3 arti meanwhile would have a massive 360,000 health so for example if you managed to do a strat 'snipe' on the t3 arti you could no longer try and also destroy the wreck to try and justify the large mass cost of the attack.
``````

From my perspective: it may take 250K mass to fully build a paragon. But it takes only 1 defect wire to make it blow up. Hence, it has low hp. But there's still 250K worth of mass there, and that is not properly represented with only 5K hp.

I'm also not sure what the problem is of having wrecks of low health units die quicker than higher health units with the same mass value.

It only makes sense if you happen to know the unit has low / high health - for the average casual player that is not common knowledge. He just sees a wreck, where one is gone in an instant and the other appears impossible to destroy.

A work of art is never finished, merely abandoned

From my perspective: it may take 250K mass to fully build a paragon. But it takes only 1 defect wire to make it blow up. Hence, it has low hp. But there's still 250K worth of mass there, and that is not properly represented with only 5K hp.

This isn't nowhere as stupid if you think of the mass as being put into delicate high tech stuff that is simply brittle compared to an idiot proof tank like a pillar. Imo it makes way more sense for stuff like t3 arty and endgamers like nukes and para to leave wrecks with massively smaller HP pools compared to your sturdy tanks.

After all your GPU worth 1k when beaten up will be quickly losing value with each and every hit. Meanwhile a beater car that you pommel around a bit will be still worth nearly as much but with few more dents in it.

As such I don't really agree with linear scaling for all kinds of wrecks/props.

Same with rocks and other stuff. They are pure unrefined resources that when properly processed become much more sturdy. Kinda like making proper alloys. As such it's only natural that they will have less HP but similar mass as wrecked units/buildings.

It only makes sense if you happen to know the unit has low / high health - for the average casual player that is not common knowledge. He just sees a wreck, where one is gone in an instant and the other appears impossible to destroy.

Same reasoning as above. Some stuff is simply way more brittle and easy to damage than others. It's really simple and intuitive no matter how you think about it. If unit is easy to kill then it's wreck is also easy to kill.

The only thing I can agree with for now is just standardizing wreck HP across unit types. So that Mantis wreck have as much HP as striker and tham. Etc. Though now that I think it would be also counterintuitive as you need to make exceptions for units like aurora etc. So yeah. I really do think that current situation is as good as it gets.

Perhaps wrecking having high HP is ok for game enders until you try to rebuild it at half HP because the wreck has so much HP. At a certain point it should be best up enough that you can't rebuild it but you can still pull a lot of mass out of it.

@CasterNumeroUno I understand your perspective too, but both your and my example doesn't help a casual player understand why one wreck is trivial to destroy while the next appears to be impossible to destroy, even though they share the same value.

I'd like to hear from players that play this game more casually, maybe even versus the AI. They are just as valid in this discussion. What are your thoughts on making wreck health properly visible to you, regardless of what the multiplier would be?

A work of art is never finished, merely abandoned

If someone builds t3-t4 arty, and it gets sniped, and 80% of the mass stays in the spot in almost indestructyble way. Then this person probably has build power (and build power to build build power), to throw up another one close by very-very fast. This means that killing gameenders would become much less efficient, and game would become much more turtly. Less fighting outside bases, and more t3 arty-gameender building in bases. And I dont think it is good thing.
It is true that it is hard to estimate the hp of a wreck, and even to understand sometimes, what unit left the wreck. But the actual mechanic that wreck's hp is related to units hp is quite solid (and not filled with exceptions, like some other mechanics) and easy to remember. Players are mostly concerned with wrecks from their direct opponent or one next to him. Players are mostly concerned with wreckes on battlefield they have created themselves. And that gives the possibility to remember more or less what got killed there.
So I would say that making game hugely more turtly or adding exceptions right and left does not seem a good idea. Rather keep it as it is?

I am not a fan of this idea either. In order to make this somewhat balanced you would have to really cut the hp/mass for the higher amounts (probably some log function) and then you lose the idea being intuitive in the first place. I believe that the current mechanic is quite solid, the less hp something has, the more explosive and vulnerable something is the easier it is to destroy its wreck.

I gave this some thought long time ago, your idea Jip makes perfect sense. Mass is mass and should have HP that is consistent.
maudlin27 makes good points about the strategic nature of play, you would get players who just see the game as an eco race and would consider mass in the base better invested than sent out onto the field, and if you can always rebuild T3 arties or game enders at half cost or reclaim the wreck to make a new one then why would anyone risk donating mass into a heavily shielded base.

CasterNumeroUno also makes good points too. If we consider that there are processes in manufacturing where you take materials and convert them into other products, often times it is uneconomic to recycle them into their base components. Using higher tech units with likely highly processed components we may have such a case where the amount that is recoverable is much less than the 81% standardized amount in the game. Unfortunately we only have mass and energy, but nothing in between such as tech'ed up mass. One would have to probably go ahead and make a judgment on whether to decrease the reclaimable mass amount through the tech levels to leave the reclaim with a consistent HP amount per reusable mass unit to get a better result (a lot of work based on personal judgement which will be cause for more infighting and hate :p).
The source of the current issue lies in the fact that the mass cost of a unit does not translate directly on a fixed ratio into the HP of the same unit. This is why a one size fits all approach does not work well across the spectrum of units.
To get a better outcome for the Fatboy, the easiest short term solution would be to increase mass and energy cost by 25% and raise HP from 12,500 to 40,000, because it is a big tank and doesn't reflect that in its stats.

Also, you could always go through every wreckage stat of problematic units like radars, Fatboys, etc and change HealthMult = 0.9 to HealthMult=10 (radar) or 3(Fatboy) or to any other desired number that leave more HP on the wreck though for units where the logic of a huge clump of mass disappearing is very problematic.

Have you thought about how much HP 1 mass unit should have in your standardized solution?

If mass has consistent hp why canâ€™t I punch through a kg of steel but I can punch through a kg of feathers

I don't understand why it is a problem that the hp of a wreck is correlated to the hp of the base unit instead of it's mass value. Right now you know that the damage of a bomber run or whatever other weapon that is sufficient to kill the target is also sufficient to kill the wreck. In my opinion it doesn't get any more intuitive than that.
Other people have already outlined that there are edge cases where the hp/mass varies so much that I doubt the new system would work without making it complicated.

The only thing I would like to see is having the hp of reclaim correlated to the reclaim value as these don't have any straightforward way to know the hp and it is a bit ridiculous that big solid rocks die to a single bomber in the first pass.

I agree with Jip; with following addendum. Non-Wreckage/Unit reclaimables should have their HP corallated (spelling) to their Mass Value

Iâ€™m a shitty 1k Global. Any balance or gameplay suggestions should be understood or taken as such.

Project Head and current Owner/Manager of SCTA Project

I think it's funny when rocks get destroyed by bombers, so it should stay in the game. Who says a bomber from the 39th century dropping magic energy bombs can't take out a rock.

The simplest solution is a compromise in the form that the calculation depends e.g. 50/50 on HP AND mass. If necessary, you can still change the proportions.
My biggest concerns, however, are the rebuilding (reclaim & rebuild) of game enders, which could lead to more turtling.

If the goal is to simplify wreck health and make it more intuitive, such a compromise would be the worst solution as then you need to know both systems and do some math in your head to figure out the health.

One disadvantage of the current system is that it's only predictable if you already know the health of every unit in the game, even if just roughly.

For the people in this thread that's trivial (fatboys and snipers are made of tissue paper, GCs and percies are thicc bois, etc.), but for a player starting out that's hugely unintuitive.

If I see a sniper on the field, I can hover my mouse over it to see that it's made of sticks and bubblegum, but once the sniper becomes a wreck, that information is lost entirely.

It becomes yet another "you just gotta know" part of the game. making the game harder to learn, without offering the experienced players anything.

I think this overstates the importance of knowing the exact unit health. If you didn't care about the health of the alive unit you can just shoot the wreck until it disappears just as well.
A rough understanding of the mass cost and health of the units is required to make good decisions in this game. That's just a fact and it's important for much more than just wreck interactions. So changing them doesn't actually lessen the requirement to get to know the units.
Of course all of this is less important if you play in a more casual environment, but then we are back at "shoot the wreck until it's gone" being perfectly sufficient.

When does anyone even deliberately shoot at wrecks anyway? Probably a small percentage of players even know it is a mechanic, and then they probably only make use of it in a small percentage of games. It is only a problem of programmers thinking the math isn't elegant enough, not a gameplay issue.

I agree with Thomas, in 99,9% of games people don't shoot at the wrecks on purpose. It's realistically done with TML to snipe exp wrecks and with nukes to deny huge reclaim fields. The wrecks just naturally take damage when there are AoE attacks landing nearby. Casual players usually don't even realize that wrecks are there in the first place so making some obscure game mechanic that isn't used by them in theory more intuitive for them makes no sense.
Changing the amount of hp the wrecks have will have a huge impact on the game and personally, I believe the current system is intuitive, if a unit had lots of HP the wreck will do as well. Simple as that. I don't see much value added with this change while it being an absolute nightmare to balance especially for units that cost hundreds of thousands of mass and have very little hp.