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City Hit Points

Discussion in 'Civ5 - Strategy & Tips' started by EndoConvert, Dec 22, 2010.

  1. EndoConvert

    EndoConvert Warlord

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    I know all units have 10 hp, but how many hp do cities have? It seems like it's more than 10 hp, but I can't seem to find any definitive answer to city hp in the Civilopedia.

    Also, am I correct in thinking that the December patch only changed city healing rate, not actual city hp?
     
  2. DaveMcW

    DaveMcW Deity

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    Hitpoints are shown with a shield icon above the city.
     
  3. EndoConvert

    EndoConvert Warlord

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    No, that's city combat strength, not city hp. They're not the same thing, just like unit combat strength (which varies from 6 for warriors to 150 for GDRs) is not the same thing as unit hp (which is always 10).
     
  4. MouseyPounds

    MouseyPounds Prince

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    The 1.0.1.135 patch changed city hitpoints to 25 (from 20); either it is missing from the patch notes or I just couldn't find it. This is controlled by the MAX_CITY_HIT_POINTS entry in the Defines table which is the easiest way to check it; the Civilopedia in this game isn't much of a reference.
     
  5. SeptimusOctopus

    SeptimusOctopus Warlord

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    Ok that makes sense. It's felt like cities are a lot more durable after the patch than they were before.

    Does anyone know if cities "heal" faster as well? I've found it much harder to just storm a city with a small band of units now. Basically, what used to be enough units to take a city pre-patch, is now just a suicide squad post-patch.
     
  6. WFG

    WFG Chieftain

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    Cities do heal faster and will typically out-heal any single unit.

    Unless you have a massive tech lead over your opponent or it's early game, you'll need some siege units. Ranged helps out a bit if they have a few levels.
     
  7. Ahriman

    Ahriman Tyrant

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    Cities heal much faster. They used to heal 1 per turn, now they heal 2 per turn and an extra +1 with walls, castle, military base.
     
  8. EndoConvert

    EndoConvert Warlord

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    So if you have a military base (which implies the prereqs of walls and castle), then the city is healing +5 hp/turn??!!
     
  9. Ahriman

    Ahriman Tyrant

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    I believe so, yes.
    Not 100% sure on this, but this seems to be what I observe.
     
  10. mystiqblackcat

    mystiqblackcat Chieftain

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    I may be mistaken but I could swear that in my last couple games since the patch the cities have been healing at 5hp per turn. Maybe that had walls and castle already, I was using cannons in both games because I was no where near iron. :(
     
  11. skallben

    skallben Diplomat

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    When you hit a new era, cities get a massive strength bonus. I think this allways happened but with the other buffs to cities it's very noticable, it can seriously slow your campaign down - or help you if you are under siege.
     
  12. MouseyPounds

    MouseyPounds Prince

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    City Healing is a little weird. It varies from 2-5 hp per turn depending on defensive buildings and whether the city is a major capital. An approximation is that each defensive building adds another 1-hp of healing but the exact details are a bit more complicated.
     
  13. Ahriman

    Ahriman Tyrant

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    Thanks for posting that link Mousey, I hadn't seen the real formula.
    Its good to know that UU defensive buildings make a slight difference.
     
  14. EndoConvert

    EndoConvert Warlord

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    Agreed, thanks for your work, MouseyPounds. That's pretty neat.

    Another question: do cities get the forest/jungle/hills defensive bonus, or does that terrain defensive bonus only apply to units?

    According to the Civilopedia, in the "Where to Found Cities" topic:

    Is that really accurate? I'm rather skeptical because the battle preview doesn't show any terrain defensive bonus for a city on a hill whenever I attack it. We all know the Civilopedia has plenty of mistakes (Angkor Wat, unit healing rate in friendly tiles, etc.).

    And that sentence only mentions hills; what about forests and jungles, which the Civilopedia doesn't mention? It seems strange if forests/jungles grant a bonus to units but not to cities.
     
  15. Ahriman

    Ahriman Tyrant

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    I think forest/jungle are cleared when you found a city, but cities on hills *seem* to be higher strength, but that might be my imagination.

    I don't think they get a strength modifier, but I think they have a higher base strength than an equivalent city in open terrain with the same defensive buildings, population and tech level.
     
  16. BomberEscort

    BomberEscort Don't be alarmed; this is a kindness Supporter

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    Hills give an extra 15% defense to the City.

    From GlobalDefines.xml

    <Row Name="CITY_STRENGTH_HILL_MOD">
    <Value>15</Value>
    </Row>

    Default City strength is 6. The Palace adds 2.5.

    The Capital is 8.5 on non-Hills and 9.775 on Hills (I don't recall if these values are rounded or floored)
    Other cities are 6 on non-Hills and 6.9 on Hills

    Add 0.25 strength per population.

    How these work I don't know...

    <Row Name="CITY_STRENGTH_TECH_BASE">
    <Value>5</Value>
    </Row>
    <Row Name="CITY_STRENGTH_TECH_EXPONENT">
    <Value>2.0</Value>
    </Row>
    <Row Name="CITY_STRENGTH_TECH_MULTIPLIER">
    <Value>2</Value>
    </Row>
     
  17. alpaca

    alpaca King of Ungulates

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    It's supposed to work like CITY_STRENGTH_TECH_MULTIPLIER *(CITY_STRENGTH_TECH_BASE*n/100)^CITY_STRENGTH_TECH_EXPONENT while the contribution from tech is additive to other contributions

    but it actually seems to do a*(b*(n + floor(n/3)/100)^x for whatever reason I cannot fathom

    Edit: Here's a table with the defense contribution from technology (final value is this + base + 0.25*pop + buildings):
    Code:
    1	0.005
    2	0.02
    3	0.08
    4	0.125
    5	0.18
    6	0.32
    7	0.405
    8	0.5
    9	0.72
    10	0.845
    11	0.98
    12	1.28
    13	1.445
    14	1.62
    15	2.
    16	2.205
    17	2.42
    18	2.88
    19	3.125
    20	3.38
    21	3.92
    22	4.205
    23	4.5
    24	5.12
    25	5.445
    26	5.78
    27	6.48
    28	6.845
    29	7.22
    30	8.
    31	8.405
    32	8.82
    33	9.68
    34	10.125
    35	10.58
    36	11.52
    37	12.005
    38	12.5
    39	13.52
    40	14.045
    41	14.58
    42	15.68
    43	16.245
    44	16.82
    45	18.
    46	18.605
    47	19.22
    48	20.48
    49	21.125
    50	21.78
    51	23.12
    52	23.805
    53	24.5
    54	25.92
    55	26.645
    56	27.38
    57	28.88
    58	29.645
    59	30.42
    60	32.
     
  18. EndoConvert

    EndoConvert Warlord

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    Another question: I know garrisoning units improve your city strength for the purpose of defending when a unit tries to take the city, but does it increase the strength of the city on offense as well (that is, when the city bombards)? Cities never seem to get any better at bombarding even when I garrison units, but maybe the difference is just too small to be noticeable. Anyone know for sure?
     
  19. alpaca

    alpaca King of Ungulates

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    Most definitely
     
  20. BomberEscort

    BomberEscort Don't be alarmed; this is a kindness Supporter

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    The city bombards at half its listed strength
     

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