template.cpp

// Define your races and your FE feats, make these for each custom race replacing MYRACE
// with a more descriptive name.
#define RACIAL_TYPE_MYRACE <index into the race 2da>
#define FEAT_FAVORED_ENEMEY_MYRACE <index into the feat 2da>

int Hook_GetFavoredEnemyBonus(CNWSCreatureStats *attacker, CNWSCreature *defender) {
    uint16_t race = defender->cs_stats->cs_race;
    int feat = -1;

    switch(race) {
// copy between here
    case RACIAL_TYPE_DWARF:
        feat = FEAT_FAVORED_ENEMY_DWARF;
        break;
// and here and paste and replace them with all the races and FE feats, including yours you made above in between here:


// and here.
    }

    if (feat == -1 || !nwn_GetKnowsFeat(attacker, feat)) { return 0; }
    // There should be some harper scout here too, but I forget.
    int ranger = nwn_GetLevelByClass(attacker, CLASS_TYPE_RANGER);
    // Might need to deal with bane of enemies here too.
    int bonus  = 1 + (ranger / 5);
    return bonus;
}