index.js

module.exports = function pet_skills(mod) {

    const command = mod.command;
    let config = require('./config.json');
    let petId = 0n;
    let enabled = true;

    mod.game.initialize("me");

    command.add('petr', {
        $none() {
            enabled = !enabled;
            command.message(`${enabled ? 'En' : 'Dis'}abled`);
        }
    });

    mod.hook('C_START_SERVANT_ACTIVE_SKILL', 1, event => {
        petId = event.gameId;
        if (enabled && config.ReplaceAbility && ((event.skill >= 1101 && event.skill < 1138) || event.skill === 1001)) {
            event.skill = config.NewPartnerAbility;
            return true;
        }
    });

    mod.hook('C_USE_ITEM', 3, event => {
        if (enabled && config.ReplaceItems && config.TheItems[event.id]) {
            if (petId) {
                mod.send('C_START_SERVANT_ACTIVE_SKILL', 1, {
                    gameId: petId,
                    skill: config.TheItems[event.id]
                });
            } else {
                command.message("Partner not found - You need to summon him to use his partner skill");
            }
            return false;
        }
    });

    mod.hook('S_REQUEST_SPAWN_SERVANT', 4, event => {
        if (event.ownerId === mod.game.me.gameId) {
            petId = event.gameId;
        }
    });

    mod.hook('S_REQUEST_DESPAWN_SERVANT', 1, event => {
        if (event.gameId === petId) {
            petId = 0n;
        }
    });
}