Add Weapon to FFG SW Sheets on Roll20

AddWep.js

on("ready", function() {
    on('chat:message', function(msg) {
        if (msg.type === "api" && msg.content.split(' ')[0] === "!AddWep")
        {
            // strips the first bit off of the api command
            let weaponName = msg.content.replace("!AddWep ", "");
            AddWep(msg, weaponName);
        }
    });
});

function AddWep(msg, weaponName)
{
    //update this array with your weapons detailed in the WeaponObj function
    let aWeapons = ["Bast's Gun", "Other Gun"];

    //Make or update macro for your weapon adds
    if (msg.content.split(' ')[1] == "MacroGen" && playerIsGM(msg.playerid))
    {
        MacroGen(aWeapons, msg);
        return;
    }
    // have to select a character's token.
    if (!msg.selected || !getObj(msg.selected[0]._type, msg.selected[0]._id).get('represents')) 
    { 
        sendChat('', "Please select a representative token");
        return;
    }

    // gets the token's character's ID
    let charID = getObj(msg.selected[0]._type, msg.selected[0]._id).get('represents');

    
    
    //make sure you passed an allowed weapon
    if (!aWeapons.includes(weaponName)) {sendChat("","Not a defined weapon"); return; }

    //get weapon obj from function
    let wepObj = WeaponObj(weaponName);

    //return if function didn't get a weapon object
    if (!wepObj) {return;}

    const addWepForCharacter = function (charID) 
    {
        // make new row from item data.
        const data = {};
        const repString = `repeating_weapons_${generateRowID()})`;
        Object.keys(wepObj).forEach(field => {
            data[`${repString}_${field}`] = wepObj[field];
        });

        // set attributes. I think this is a sheetworkers command. I'm not sure about any of this.
        setAttrs(charID, data);
    };

    addWepForCharacter(charID);
}

// Complicated stuff that I have no idea on. I copied from this thread: 
// https://app.roll20.net/forum/post/6847210/5e-shaped-sheet-adding-equipment-through-the-api
var generateUUID = (function() {
    "use strict";

    var a = 0, b = [];
    return function() {
        var c = (new Date()).getTime() + 0, d = c === a;
        a = c;
        for (var e = new Array(8), f = 7; 0 <= f; f--) {
            e[f] = "-0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz".charAt(c % 64);
            c = Math.floor(c / 64);
        }
        c = e.join("");
        if (d) {
            for (f = 11; 0 <= f && 63 === b[f]; f--) {
                b[f] = 0;
            }
            b[f]++;
        } else {
            for (f = 0; 12 > f; f++) {
                b[f] = Math.floor(64 * Math.random());
            }
        }
        for (f = 0; 12 > f; f++){
            c += "-0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz".charAt(b[f]);
        }
        return c;
    };
}()),

generateRowID = function () {
    "use strict";
    return generateUUID().replace(/_/g, "Z");
};

//Macro Generator
function MacroGen(aWeapons, msg)
{
    let macroAction = "!AddWep ?{Weapon Make";
    for (let i=0; i<aWeapons.length; i++)
    {
        macroAction += "|" + aWeapons[i];
    }
    macroAction += "}";

    if (!findObjs({_type: 'macro', _playerid: msg.playerid, name: 'AddWeapon'})[0])
    {
        createObj('macro', {
            name: 'AddWeapon',
            playerid: msg.playerid,
            istokenaction: false,
            visibleto: "all",
            action: macroAction
        });
    }
    else
    {
        findObjs({_type: 'macro', _playerid: msg.playerid, name: 'AddWeapon'})[0].set("action", macroAction);
    }
}

// put your weapons in here. Follow the format used in example weapons.
function WeaponObj(weaponName)
{
    let aWeaponObjects = 
    [
        {   
            weaponmake: "Bast's Gun",
            damage: 5,
            critical: 4,
            //js doesn't like dashes in object keys.
            ['weapon-encum']: 1,
            ['weapon-hp']: 2,
            weapontype: "Ranged (Light)",
            weapondice: "1g",
            weapon_bookpage: "The Book of Bast, 173",
            weapon_restrict: "no",
            weaponrange: "Short", //options are: "Engaged", "Short", "Medium", "Long", "Extreme"
            weaponskill: "skill(@{rankLight}|@{agility})", //too much to list. If using chrome, hit f12, little arrow thing to select elem
            //then select weapon skill. click dropdown, look at options.
            weaponcondition: "1blk", //options include "new", "1blk", "1p", "unusableWeapon"
            weapon_rarity: 7, //integer between 1 and 10
            weapon_value: "5000 credits",
            weaponspecial: "Stun Setting, Bulky",
            weaponattchments: true, //view weapon attachments. Doesn't seem to work.
            weaponattach1: "Scope",
            weaponattachHP1: 2, //integer maybe
            weaponattachbase1: "1b", // no idea what to put in here. This may add a blue die.
            weaponattachmod1: "red dot added to scope"
        },

        {   
            weaponmake: "Other Gun",
            damage: 11, //integer
            critical: 3, //integer
            //js doesn't like dashes in object keys.
            ['weapon-encum']: 7, //integer, probably
            ['weapon-hp']: 4, //same
            weapontype: "Ranged (Heavy)", //just text, I think
            weapondice: "",
            weapon_bookpage: "EotE 1", //just text
            weapon_restrict: "yes", //yes if R, no if not R
            weaponrange: "Long", 
            weaponskill: "skill(@{rankMedicine}|@{intellect})", //Heal Gun
            weaponcondition: "new", //options include "new", "1blk", "1p", "unusableWeapon"
            weapon_rarity: 7, //integer between 1 and 10
            weapon_value: "2600 (R) credits",
            weaponspecial: "Auto-Fire, Cumbersome (3), Pierce (2)",
            weaponattchments: false,
        }
    ]

    //go through the array, looking for weaponmake matching the name of the weapon in function parameter
    //if found, return the weapon object.
    for (let i=0; i<aWeaponObjects.length; i++)
    {
        if (aWeaponObjects[i].weaponmake == weaponName)
        {
            sendChat("", aWeaponObjects[i].weaponmake + " found");
            return (aWeaponObjects[i]);
        }
    }
}