Ability scores (typically 0-20 for most creatures) relate to roll modifiers. These values are what a player or DM actually adds to a given skill or ability check. This function performs the simple calculation to identify the roll modifier that relates to the supplied ability score.
     
    
    
    Arguments
- score
- (numeric) ability score value for which to identify the roll modifier 
 
    
    Value
    (character) roll modifier for a given ability score. If positive, includes a plus sign to make the addition explicit. Negative values are also returned as characters for consistency with positive modifiers
     
    
    Examples
    # Calculate roll modifier for an ability score of 17
dndR::mod_calc(score = 17)
#> [1] "+3"