Expansion Overdrive

"use strict"
this.name = "Overdrive";
this.author = "Reval";
this.license = "CC-BY-NC-SA 4.0";
this.version = "1.5";
this.description = "FE Shipyards will re-route part of your Jump circuitry, linking it to your vehicle's velocity-controller. When full speed is set, J-drive will engage in a limited mode, similar in effect to an injector, but silent, fluid, faster, and without the attendant fuel-waste. We call it the O-drive. To disengage it, decelerate to below your normal top speed.";


this.shipWillLaunchFromStation = function() {
	// start monitor if O-D installed and connected
	this.$ajHasEq = (player.ship.equipmentStatus ("EQ_AUTO_J") === "EQUIPMENT_OK");
	if ((this.$ajConnected) && (this.$ajHasEq)) {
		if(!this.$ajTimer) this.$ajTimer=new Timer(this,this._ajMonitorSpeed.bind(this),0,0.25);
		// note nominal maximum speed
		this.$ajMaxSpeed = player.ship.maxSpeed;
		// if E.T. present, use the Guild's enhanced speed
		if (this.$ajET)
			this.$ajETLast = worldScripts["Elite Trader"].$etLastSpeed;
	}
}


this.shipWillDockWithStation = function(station) {
	if (this.$ajHasEq) this._ajStopOverdrive();
}


this.shipDockedWithStation = function(station) {
	// prepare connect/disconnect options Interface
	var ps=player.ship;
	if (ps.equipmentStatus ("EQ_AUTO_J") === "EQUIPMENT_OK") 
		this._ajPrepOptions(station);
}


this.shipWillEnterWitchspace = function(cause) {
     // stop O-D before entering witchspace
	if (this.$ajHasEq) this._ajStopOverdrive();
}


this.playerWillSaveGame = function() {
	// save connected status
	if (this.$ajConnected) var con=1; else var con=0;
	missionVariables.ajConnected = con;
}


this.startUPComplete = function() {
	// load connected status
	if (missionVariables.ajConnected != null) {
		var con=missionVariables.ajConnected;
		this.$ajConnected = (con == 1);
	}
	
}


this.startUp = function() {
	// is E.T. present?
	this.$ajET = false;
	if (worldScripts["Elite Trader"]) 
		this.$ajET = true;
	// record etLastSpeed
	this.$ajETLast = player.ship.maxSpeed;
	// O-drive connection switch
	this.$ajConnected = true;
	this.$ajEngaged = false;
	this.$ajMaxed = false;
	this.$ajFactor = 10.0;
	this.$ajMaxSpeed = player.ship.maxSpeed;
	this.$ajHasEq = false;
	// for total reset (connect/disconnect)
	this.$ajNominal = player.ship.maxSpeed;
}


this.playerBoughtEquipment = function(equipment, paid) {
	var pc = player.consoleMessage;
	var ps = player.ship;
	if (equipment == "EQ_AUTO_J") {
		pc("Re-routing J-circuits for O-drive.",9);
		pc("Overdrive is operative.",9);
		// prepare connect/disconnect options 
		var sta = player.ship.dockedStation;			
		if (ps.equipmentStatus ("EQ_AUTO_J") === "EQUIPMENT_OK") 
			this._ajPrepOptions(sta);
	}	
}


this._ajAdjustSpeed = function() {
	if (!this.$ajEngaged)
		if (!this.$ajMaxed) {
			player.ship.maxSpeed*=this.$ajFactor;
			this.$ajMaxed = true;
			this.$ajEngaged=true;
		}
}


this._ajMonitorSpeed = function() {
	var pss = player.ship.speed;
	if (this.$ajEngaged) {
		// stop the O-drive if J-Drive engaged
		if (player.ship.torusEngaged) 
			this._ajStopOverdrive();
		// stop the O-drive if decelerated to marker
		if (pss < this.$ajMaxSpeed)
			this._ajStopOverdrive();
	} else {
		// start the O-drive
		if ((pss==this.$ajETLast) || (pss==this.$ajMaxSpeed)) {
			this._ajAdjustSpeed();
			player.consoleMessage("O-drive engaged.");
		}
	}
}


this._ajStopOverdrive = function() {
	if (this.$ajET)
		player.ship.maxSpeed = this.$ajETLast; else
		player.ship.maxSpeed=this.$ajMaxSpeed;
	this.$ajEngaged = false;
	this.$ajMaxed = false;
	player.consoleMessage("O-drive disengaged.");
}



// create Overdrive connection options  
this._ajPrepOptions = function(station) {
	station.setInterface("ajOpt",{
	title: "Your FE Shipyards O-drive connection options",
	category: "Your FE Shipyards",
	summary: "FE Shipyards offers the option to connect or disconnect your Overdrive. This will also act as a 'reset' in case of unexpected behaviour." ,
	callback: this._ajShowOptions.bind(this)
	});	
}


// show Overdrive connection options
this._ajShowOptions = function() {
	
	var parameters = new Object();
	
	parameters.title = "Overdrive Connection Options";
	
	parameters.message = "Connect or disconnect your Overdrive circuits? \n\n";
	
	parameters.choicesKey = "ajChoice";
	
	mission.runScreen(parameters, callback);	

	function callback(choice) {
		if (choice === "1_CONNECT") {
			this.$ajConnected = true;
			this.$ajEngaged = false;
			this.$ajMaxed = false;
			if (this.$ajET)
				this.$ajETLast = worldScripts["Elite Trader"].$etLastSpeed; else
				this.$ajMaxSpeed = this.$ajNominal;
			player.commsMessage("Overdrive is connected.");
		} else {
			this.$ajConnected = false;
			this.$ajEngaged = false;
			this.$ajMaxed = false;
			if (this.$ajET)
				this.$ajETLast = worldScripts["Elite Trader"].$etLastSpeed; else
				this.$ajMaxSpeed = this.$ajNominal;
			player.commsMessage("Overdrive is disconnected.");
		}
	}	
}