#include <stdio.h>
float pool[5000];

float vengcalc(int timer, int delay){
    float retval = 0;
    if (timer <= 30){
        for(int i = timer; i && i > (timer - 20); --i){
            retval += pool[i];
//            printf("\nDEBUG: %f", pool[i]);
        }
    }
    else{
        for(int i = timer - delay; i > (timer - 20); --i){
            retval += pool[i];
        }
        retval *= (20 - delay) / 20;
        retval += pool[timer];
    }
    return retval;
}

int main(){
    printf("Auto attack vengeance simulator \n\n");
    int damtaken = 0, timer = 10; //setting timer to 10 takes care of ramp up
    int swingspeed = 2; //a nice whole number
    int delay;
    printf("You're pulling the boss and he hits your for: ");
    scanf("%d", &damtaken);
    for (int i = 0; i <= timer; i += swingspeed){
        pool[i] = damtaken * 0.02;
    }
    printf("\nYour current vengeance is: %f", vengcalc(timer, delay));
    while(timer < 5000){
        printf("\nA couple seconds pass: ");
        scanf("%d", &delay);
        timer += delay;
        printf("\nAnd the boss hits you again: ");
        scanf("%d", &damtaken);
        pool[timer] = damtaken * 0.02; //we're assuming that damage taken is passed as the correct, pre-mitigation value
        printf("\nYour current vengeance is: %f", vengcalc(timer, delay));
    }
    return 0;
}