System obrażeń i penetracji w CoP

System obrażeń i penetracji w CoP

Postprzez Marcus_Polonus w 11 Mar 2018, 10:00

Witam,

To, co znalazłem pochodzi z http://forum.epicstalker.com/viewtopic. ... 8075#p8075

Kod: Zaznacz wszystko
X-Ray S.T.A.L.K.E.R. bullet/protection calculation
Basic Hit order of operation
-----------------------------
Where HitPower is hit_power * k_hit
Where AP is k_ap
-----------------------------
*NOTE* This is for fire_wound damage type only! Bullets!
1. We start off with HitPower (ie. hit_power * k_hit)
2. If NPC, then HitPower is multiplied by rank immunity: (immunities_novice_k + (immunities_experienced_k - immunities_novice_k) * (rank/100); where rank is clamped between 0 and 100)
3. HitThroughArmor check for Helmet and Outfit:
   * BoneArmor (2nd param from damages.ltx) is multiplied by EquipmentCondition
   * if BoneArmor is less than or equal to zero goto step 4
   * if AP <= BoneArmor then HitPower is multiplied by hit_fraction_actor
   * if AP > BoneArmor:         
         d_hit_power = (AP - BoneArmor) / AP;
         if (d_hit_power < hit_fraction) { d_hit_power = hit_fraction }
            HitPower = HitPower * d_hit_power

4. HitPower is multiplied by (creature hit type immunity minus booster immunity)
5. Health lost is HitPower*health_hit_scale*BoneScale (actor.ltx);

*NOTES*
* This formula applies to both NPC and Actor, with the exception of rank immunity being applied and the fact that NPCs don't wear outfits. It's only applied if they are have an outfit slotted.
* Do not confuse immunity in calculation above with outfit immunities. This is strictly the immunities from the creature section!

You can test this calculation by pasting and running this code: https://pastebin.com/ZfmSRhPd
Into https://www.lua.org/demo.html

-------------------------------------------
How it works for other damage types
-------------------------------------------
1. We start off with base HitPower
2. If damage type is wound, wound2, strike or explosion then 'factor' is 1.0. If not, then 'factor' is 0.1.
3. HitPower is calculated as (HitTypeProtection*EquipmentCondition) * factor
4. If damage type is radiation, telepathic or chemical burn: HitPower = HitPower - BoosterProtection
4. HitPower = HitPower * (CreatureImmunity - BoosterImmunity)
5. HitPower = HitPower*health_hit_scale
6. If type is Wound, then HitPower = HitPower * BoneScale
7. Health - HitPower

Final Formulas:
Burn          | m_fHealthLost = ( (HitPower - ((HitTypeProtection*EquipmentCondition) * 0.1) - BoosterProtection) * (CreatureImmunity - BoosterImmunity) ) * health_hit_scale
ChemicalBurn    | m_fHealthLost = ( (HitPower - ((HitTypeProtection*EquipmentCondition) * 0.1) - BoosterProtection) * (CreatureImmunity - BoosterImmunity) ) * health_hit_scale
Explosion       | m_fHealthLost = ( (HitPower - ((HitTypeProtection*EquipmentCondition) * 0.1) - BoosterProtection) * (CreatureImmunity - BoosterImmunity) ) * health_hit_scale
Radiation       | m_fDeltaRadiation += ( (HitPower - ((HitTypeProtection*EquipmentCondition) * 0.1) - BoosterProtection) * (CreatureImmunity - BoosterImmunity) )
Shock          | m_fHealthLost = ( (HitPower - ((HitTypeProtection*EquipmentCondition) * 0.1) - BoosterProtection) * (CreatureImmunity - BoosterImmunity) ) * health_hit_scale
Strike          | m_fHealthLost = ( (HitPower - ((HitTypeProtection*EquipmentCondition) * 0.1) - BoosterProtection) * (CreatureImmunity - BoosterImmunity) ) * health_hit_scale
Telepatic       | m_fHealthLost = ( (HitPower -((HitTypeProtection*EquipmentCondition) * 0.1) - BoosterProtection) * (CreatureImmunity - BoosterImmunity) ) * health_hit_scale
Wound          | m_fHealthLost = ( (HitPower - ((HitTypeProtection*EquipmentCondition) * 0.1) - BoosterProtection) * (CreatureImmunity - BoosterImmunity) ) * health_hit_scale * m_fHitBoneScale
-------------------------------------------
Understanding damages.ltx:
-------------------------------------------
bone = coeff, BoneArmor, bonePassBullet

1. Coefficient (Used only in multiplayer calculation which is slightly different then above)
2. Bone Armor
3. Value greater then 0.5 means bullets can pass through bone. Default is 0 if unspecified. (unused in singleplayer)

-------------------------------------------
Understanding Outfit/Helmet Immunity
-------------------------------------------
hit_power *= GetHitImmunity(hit_type)
condition - hit_power

1. Immunity only affects the piece of equipment or item. It determines how much an item degrades when taking damage from a certain damage type.

Kod: Zaznacz wszystko
local AP = 0.3
local BoneArmor = 0.1
local hit_fraction = 0.5
local HitPower = 0.46

local d_hit_power = (AP - BoneArmor) / AP;
if (d_hit_power < hit_fraction) then
d_hit_power = hit_fraction
end
HitPower = HitPower * d_hit_power

print(HitPower)


Można przetestować gotową formułę tutaj: https://www.lua.org/demo.html
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