Expansion Bulk Cargo Processor

"use strict";
this.name	     = "BulkCargoProcessor";
this.author	     = "phkb";
this.copyright   = "2017 phkb";
this.description = "Allows quick dumping or destruction of all of a particular cargo type currently in the hold.";
this.licence     = "CC BY-NC-SA 4.0";

this._currentOption = {};
this._currentIndex = -1;
this._confirm = 0;
this._dumpTimer = null;
this._dumpList = [];
this._destroyTimer = null;
this._destroyList = [];
this._destroyLowEnergyMessage = false;
this._destroyCounter = 0;
this._preferredCargoPods = [];
this._energyReduction = 20;

//-------------------------------------------------------------------------------------------------------------
this.startUpComplete = function() {
    this.$getPreferredCargoPodList();
}

//-------------------------------------------------------------------------------------------------------------
this.mode = function() {
    var bcp = worldScripts.BulkCargoProcessor;
    if ((bcp._dumpTimer && bcp._dumpTimer.isRunning) || bcp._destroyTimer && bcp._destroyTimer.isRunning) {
        player.consoleMessage("Unable to change option during processing.");
        return;
    }
    var list = [];
    var cargo = player.ship.manifest.list;
    for (var i = 0; i < cargo.length; i ++) {
        if (cargo[i].quantity > 0) {
            list.push({text:"Dump " + cargo[i].quantity + cargo[i].unit + " " + displayNameForCommodity(cargo[i].commodity), action:"dump", commodity:cargo[i].commodity, unit:cargo[i].unit});
            list.push({text:"Destroy " + cargo[i].quantity + cargo[i].unit + " " + displayNameForCommodity(cargo[i].commodity), action:"destroy", commodity:cargo[i].commodity, unit:cargo[i].unit});
        }
    }
    bcp._currentIndex += 1;
    if (bcp._currentIndex >= list.length) bcp._currentIndex = 0;
    bcp._currentOption = list[bcp._currentIndex];
    bcp._confirm = 0;
    player.consoleMessage(bcp._currentOption.text);
}

//-------------------------------------------------------------------------------------------------------------
this.activated = function() {
    var bcp = worldScripts.BulkCargoProcessor;
    if (bcp._currentOption.hasOwnProperty("text") === false) {
        player.consoleMessage("Invalid option selected for processing");
        return;
    }
    bcp._confirm += 1;
    switch (bcp._confirm) {
        case 1:
            player.consoleMessage("Confirm: " + bcp._currentOption.text);
            break;
        case 2:
        case 3: // special confirmation for destroying slaves
            // do it
            bcp.$performAction();
            break;
        case 4:
            player.consoleMessage("Action terminated");
            if (bcp._dumpTimer && bcp._dumpList.isRunning) bcp._dumpTimer.stop();
            if (bcp._destroyTimer && bcp._destroyTimer.isRunning) bcp._destroyTimer.stop();
            bcp._dumpList = [];
            bcp._destroyList = [];
            bcp._confirm = 0;
            bcp._currentIndex = -1;
            bcp._currentOption = {};
            break;
    }
}

//-------------------------------------------------------------------------------------------------------------
this.$performAction = function() {
    if (!this._currentOption) return;
    switch (this._currentOption.action) {
        case "dump":
            player.consoleMessage(this._currentOption.text.replace("Dump ", "Dumping "));
            var amt = player.ship.manifest[this._currentOption.commodity];
            if (this._currentOption.unit !== "t") {
                var base = 1000;
                if (this._currentOption.unit === "g") base = 1000000;
                do {
                    var d = base;
                    if (d > amt) d = amt;
                    amt -= d;
                    this._dumpList.push({commodity:this._currentOption.commodity, quantity:d});
                } while (amt > 0);
            } else {
                for (var i = 1; i <= amt; i++) {
                    this._dumpList.push({commodity:this._currentOption.commodity, quantity:1});
                }
            }
            if (!this._dumpTimer || this._dumpTimer.isRunning === false) {
                this._dumpTimer = new Timer(this, this.$dumpCargo, 0.75, 0.75);
            }
            break;
        case "destroy":
            if (this._currentOption.commodity === "slaves" && this._confirm === 2) {
                player.consoleMessage("Please re-confirm destruction of slaves");
                return;
            }
            if (this._currentOption.commodity === "slaves" && this._confirm === 3) {
                // force the confirm counter back one so that it will match a normal destroy sequence 
                this._confirm -= 1;
            }
            player.consoleMessage(this._currentOption.text.replace("Destroy ", "Destroying "));
            //player.ship.manifest[this._currentOption.commodity] = 0;
            var amt = player.ship.manifest[this._currentOption.commodity];
            if (this._currentOption.unit !== "t") {
                var base = 1000;
                if (this._currentOption.unit === "g") base = 1000000;
                do {
                    var d = base;
                    if (d > amt) d = amt;
                    amt -= d;
                    this._destroyList.push({commodity:this._currentOption.commodity, quantity:d});
                } while (amt > 0);
            } else {
                for (var i = 1; i <= amt; i++) {
                    this._destroyList.push({commodity:this._currentOption.commodity, quantity:1});
                }
            }
            if (!this._destroyTimer || this._destroyTimer.isRunning === false) {
                this._destroyTimer = new Timer(this, this.$destroyCargo, 1, 1);
            }
            break;
    }
    //this._currentOption = {};
    //this._currentIndex = -1;
    this._confirm += 1;
}

//-------------------------------------------------------------------------------------------------------------
this.playerBoughtEquipment = function(equipmentKey) {
    if (equipmentKey === "EQ_BULK_CARGO_PROCESSOR_REMOVAL") {
        player.ship.removeEquipment("EQ_BULK_CARGO_PROCESSOR_REMOVAL");
        player.ship.removeEquipment("EQ_BULK_CARGO_PROCESSOR");
    }
}

//-------------------------------------------------------------------------------------------------------------
this.shipDied = function(whom, why) {
    this.$stopTimers();
}

//-------------------------------------------------------------------------------------------------------------
this.shipWillDockWithStation = function(station) {
    this.$stopTimers();
}

//-------------------------------------------------------------------------------------------------------------
this.shipWillEnterWitchspace = function(cause, destination) {
    this.$stopTimers();
}

//-------------------------------------------------------------------------------------------------------------
this.$stopTimers = function() {
    if (this._dumpTimer && this._dumpTimer.isRunning) this._dumpTimer.stop();
    this._dumpList = [];
    if (this._destroyTimer && this._destroyTimer.isRunning) this._destroyTimer.stop();
    this._destroyList = [];
}

//-------------------------------------------------------------------------------------------------------------
this.$dumpCargo = function $dumpCargo() {
    if (this._dumpList.length === 0) {
        this._currentOption = {};
        this._currentIndex = -1;
        this._confirm = 0;
        this._dumpTimer.stop();
        return;
    }
    var c = this._dumpList[0];
    if (player.ship.manifest[c.commodity] > 0) {
        if (c.quantity > 0) {
            // this is a "g" or "kg" item - we can have more than 1 unit in the pod
            var pd = this._preferredCargoPods[Math.floor(Math.random() * this._preferredCargoPods.length)];
            var cg = player.ship.ejectItem("[" + pd + "]");
            cg.setCargo(c.commodity, c.quantity);
            player.ship.manifest[c.commodity] -= c.quantity;
        } else {
            // otherwise, it's a straight dump of 1t
            player.ship.dumpCargo(1, c.commodity);
        }
    }
    this._dumpList.splice(0, 1);
}

//--------------------------------------------------------------------------------------------------------------
this.$destroyCargo = function $destroyCargo() {
    if (this._destroyList.length === 0) {
        this._currentOption = {};
        this._currentIndex = -1;
        this._confirm = 0;
        this._destroyTimer.stop();
        return;
    }
    if (player.ship.energy < 64) {
        if (this._destroyLowEnergyMessage === false) {
            player.consoleMessage("Destruction process on hold - insuffient energy");
        }
        this._destroyLowEnergyMessage = true;
        return;
    }
    this._destroyLowEnergyMessage = false;
    var c = this._destroyList[0];
    if (player.ship.manifest[c.commodity] >= c.quantity) {
        // this is a "g" or "kg" item - we can have more than 1 unit in the pod
        player.ship.manifest[c.commodity] -= c.quantity;
        player.ship.energy -= this._energyReduction;
        this._destroyCounter += 1;
        // eject alloys
        if (this._destroyCounter >= 10) {
            var pd = this._preferredCargoPods[Math.floor(Math.random() * this._preferredCargoPods.length)];
            var cg = player.ship.ejectItem("[" + pd + "]");
            cg.setCargo("alloys", 1);
            this._destroyCounter = 0;
        }
    }
    this._destroyList.splice(0, 1);
}

//--------------------------------------------------------------------------------------------------------------
// populates the list of possible cargopods that can be spawned and aren't related to a scripted item
this.$getPreferredCargoPodList = function() {
	this._preferredCargoPods = [];
	var shipkeys = Ship.keysForRole("cargopod");
	for (var i = 0; i < shipkeys.length; i++) {
		var shipspec = Ship.shipDataForKey(shipkeys[i]);
		if (shipspec.cargo_type != "CARGO_SCRIPTED_ITEM") this._preferredCargoPods.push(shipkeys[i]);
	}
}