CreatureLib/src/Battling/Library/DamageLibrary.cpp

#include "DamageLibrary.hpp"

using namespace CreatureLib::Battling;
int DamageLibrary::GetDamage(ExecutingAttack* attack, Creature* target, uint8_t hitIndex) const {
    auto levelMod = static_cast<float>(2 * attack->GetUser()->GetLevel());
    auto hit = attack->GetAttackDataForTarget(target).GetHit(hitIndex);
    auto bp = hit->GetBasePower();
    auto statMod = GetStatModifier(attack, target, hitIndex);
    // HOOK: Modify stat modifier
    int damage = static_cast<int>((((levelMod * static_cast<float>(bp) * statMod) / 50) + 2) *
                                  GetDamageModifier(attack, target, hitIndex));
    // HOOK: Override damage
    return damage;
}

int DamageLibrary::GetBasePower(ExecutingAttack* attack, Creature* target, uint8_t hitIndex) const {
    auto bp = attack->GetAttack()->GetAttack()->GetBasePower();
    // HOOK: modify base power.
    return bp;
}

float DamageLibrary::GetStatModifier(ExecutingAttack* attack, Creature* target, uint8_t hitIndex) const {
    auto user = attack->GetUser();
    // HOOK: allow overriding for which users stat we use.
    auto hit = attack->GetAttackDataForTarget(target).GetHit(hitIndex);
    Core::Statistic offensiveStat;
    Core::Statistic defensiveStat;
    if (attack->GetAttack()->GetAttack()->GetCategory() == Library::AttackCategory::Physical) {
        offensiveStat = Core::Statistic::PhysicalAttack;
        defensiveStat = Core::Statistic::PhysicalDefense;
    } else {
        offensiveStat = Core::Statistic::MagicalAttack;
        defensiveStat = Core::Statistic::MagicalDefense;
    }

    auto bypassDefensive = hit->IsCritical() && target->GetStatBoost(defensiveStat) > 0;
    // HOOK: allow bypassing defensive stat modifiers.
    auto bypassOffensive = hit->IsCritical() && user->GetStatBoost(offensiveStat) < 0;
    // HOOK: Allow bypassing offensive stat modifiers.

    float offensiveValue;
    float defensiveValue;

    if (bypassOffensive) {
        offensiveValue = user->GetFlatStat(offensiveStat);
    } else {
        offensiveValue = user->GetBoostedStat(offensiveStat);
    }
    if (bypassDefensive) {
        defensiveValue = target->GetFlatStat(defensiveStat);
    } else {
        defensiveValue = target->GetBoostedStat(defensiveStat);
    }

    return offensiveValue / defensiveValue;
}

float DamageLibrary::GetDamageModifier(ExecutingAttack* attack, Creature* target, uint8_t hitIndex) const {
    float mod = 1;
    auto hit = attack->GetAttackDataForTarget(target).GetHit(hitIndex);
    mod *= hit->GetEffectiveness();
    // HOOK: Modify damage modifier.
    return mod;
}