src/game/java/net/minecraft/world/effect/PoisonMobEffect.java

package net.minecraft.world.effect;

import net.minecraft.server.level.ServerLevel;
import net.minecraft.world.entity.LivingEntity;

public class PoisonMobEffect extends MobEffect {
    public static final int DAMAGE_INTERVAL = 25;

    protected PoisonMobEffect(MobEffectCategory p_301256_, int p_299285_) {
        super(p_301256_, p_299285_);
    }

    @Override
    public boolean applyEffectTick(ServerLevel p_364218_, LivingEntity p_299064_, int p_299074_) {
        if (p_299064_.getHealth() > 1.0F) {
            p_299064_.hurtServer(p_364218_, p_299064_.damageSources().magic(), 1.0F);
        }

        return true;
    }

    @Override
    public boolean shouldApplyEffectTickThisTick(int p_297494_, int p_301016_) {
        int i = 25 >> p_301016_;
        return i > 0 ? p_297494_ % i == 0 : true;
    }
}