a52b14681c
a number of Subjects files to prevent name conflicts where the only the case is difference. Attack -> Attacking Moving -> Transportation Move -> Moving Market -> Commerce Nation -> Nations Production -> Producing Update -> Updating
103 lines
3.5 KiB
Perl
103 lines
3.5 KiB
Perl
.TH Concept Damage
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.NA Damage "How much damage stuff does"
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.LV Expert
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.nf
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It is possible to be damaged by shells, bombs, land mines, sea mines,
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and nuclear blasts. This info page shows you how much damage each of
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these things does. In the following formulas, random(x) means a
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random number from 1 to x. Once the damage has been calculated, then
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it is applied. Damage applies to different kinds of things in
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different ways (see below).
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1. Calculating the damage
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Shelling
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You can be shelled by a fort, artillery unit, ship, depth-charge, or torpedo:
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fort damage = guns * eff * (random(30) + 20) / 7
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unit damage = guns * eff * (5 + random(6))
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ship damage = guns * eff * (10 + random(6))
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depth damage = 2 * eff * (10 + random(6))
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torp damage = 40 + random(40) + random(40)
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Note that for forts, a maximum of 7 guns may be fired.
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Bombs
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A plane drops a number of bombs equal to the "load" the plane can carry.
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Each bomb does the following damage:
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blam: 1 + random(6)
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Blam: 5 + random(6)
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BLAM: 8 + random(6)
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When pinbombing a ship, plane, or land unit, damage is doubled.
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Whether you get a blam, Blam, or a BLAM depends on the accuracy of the
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plane and the difficulty of the target (see info bomb).
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Land mines
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Land mines damage commodities by random(20) and land units by 10 + random(10).
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If the land unit is an engineer, then the damags is cut in half.
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Sea mines
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Sea mines damage ships 22 + random(20). If the ship can sweep, then
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the damage is cut in half.
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Nuclear Detonation
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Damage from nuclear detonation uses the following formula. From
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"show nuke stats", you see that each nuke has a certain blast radius
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and %damage. If you are groundbursting, then multiply the radius by
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2/3. If you are airbursting, then multiply the radius by 3/2. Now
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based on the distance from gound zero, the nuke does the following
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amount of damage:
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Groundburst: dam / (dist + 1)
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Airburst: 0.75 * dam - 20 * dist
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For the small, medium, and large nukes currently in the game
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(damage 80, 90, 101 and radius 1, 2, 3) the following damage is obtained:
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Groundburst Airburst
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0 1 0 1 2 3
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small 80 60 40
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med 90 45 68 48 28
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large / 50 76 56 36 16
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2. Applying the damage
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Once you know how much damage the bombs or whatever have done, then
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you apply the damage to what was hit. In the calculations below,
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%damage will never be larger than 100%. If it is, then we just say
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that the %damage was 100%. Once we have the %damage, then we apply it
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as follows:
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new efficiency = (old efficiency) * (1 - %damage / 100)
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For example a 50% ship hit for 10% damage would go down to 45%.
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The following formulas show you how to get %damage from damage. Note
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that these formulas are used in all cases _except_ nuclear damage. In
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the case of nuclear damage, %damage is always equal to damage (except
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for planes hardened in silos which subtract their "hardened" value
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directly from the damage).
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Ship
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%damage = damage / (1 + def / 100)
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Land unit
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%damage = damage * (vul / 100) * (127 / fortification + 127)
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Plane
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%damage = damage
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Sector
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sectdamage = damage / ((sectdef - 2) * eff + 2)
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%damage = (100 * sectdamage / (sectdamage + 100))
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commodities take %damage (bars take no damage and people take 0.4 * %damage)
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land units take 0.3 * %damage
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planes take no damage
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Commodity
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%damage = (100 * damage / (damage + 50))
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bars take no damage
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civs, mil, and uws take 0.4 * %damage
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.fi
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.SA "fire, launch, torpedo, lmine, bomb, Hitchance, Attacking, Combat"
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