Expansion DTT Snake Charmer

/*jslint white: true, undef: true, eqeqeq: true, bitwise: true, regexp: true, newcap: true, immed: true */
/*global missionVariables, player*/


"use strict";


this.name			= "berthControl-conditions";
this.author			= "Nyarlatothep";
this.copyright		= "This script is hereby placed in the public domain.";
this.version		= "1.2";


/* contexts: npc, purchase, scripted, newShip, (loading), (damage), (portable) */
this.allowAwardEquipment = function(equipment, ship, context)
{

	// OXP hook to allow stations to forbid specific equipment
	if (context == "purchase" && player.ship.dockedStation && player.ship.dockedStation.scriptInfo["oolite-barred-equipment"])
	{
		if (player.ship.dockedStation.scriptInfo["oolite-barred-equipment"].indexOf(equipment) != -1)
		{
			return false;
		}
	}

	// fixed berthts?
	var fixedBerths = ship.scriptInfo.fixedBerths;
	if (context == "purchase" && (fixedBerths === "Yes" || fixedBerths === "Y"))
	{
		player.consoleMessage(missionVariables.berthControl_marketMessage, 1.5);
		return false;
	}
	
	if (context == "purchase" && equipment == "EQ_PASSENGER_BERTH_REMOVAL")
	{
		//var removableBerths = parseInt(missionVariables.berthControl_removableBerths);
		if (missionVariables.berthControl_removableBerths === 0)
		{
			player.consoleMessage(missionVariables.berthControl_marketMessage, 1.5);
			return false;
		}
	}


	// otherwise allowed
	return true;
}

/*jslint white: true, undef: true, eqeqeq: true, bitwise: true, regexp: true, newcap: true, immed: true */

"use strict";

// Standard attributes
this.name           = "BerthControl";
this.author         = "Smivs, Nyarlatothep";
this.copyright      = "This script is hereby placed in the public domain.";
this.version        = "1.2";
this.description    = "Passenger berths management script.";


this.playerBoughtNewShip = function(ship)
// set removable berth count when ship is bought
{
	missionVariables.berthControl_removableBerths = null;
	missionVariables.berthControl_marketMessage = null;
	
	var msg = "";
	var berths = ship.passengerCapacity;  // !
	var fixedBerths = ship.scriptInfo.fixedBerths;
	// get bool value from string
	fixedBerths = (fixedBerths === "Yes" || fixedBerths === "Y");
	
	if (fixedBerths)
	{
		msg = "This ship cannot be equipped with standard Passenger Berths.";
	}
	
	var minBerths = parseInt(ship.scriptInfo.minBerths);
	// ensure minBerth is a valid integer & it's > 0
	if (fixedBerths || (!isNaN(minBerths) && minBerths > 0))
	{
		// no berths to start with? no need for minBerths!
		if (berths > 0)
		{
			//  calculate the actual number of permanent berths
			if (fixedBerths || minBerths > berths) minBerths = berths;
			//  compose a nice formatted message...
			msg = (minBerths ===  berths ? "The " + minBerths : minBerths + " of the" ) + " Passenger Berth" + (berths === 1 ? "" : "s");
			msg += " that came with the ship cannot be " + (fixedBerths? "modified" : "removed") + " at this shipyard.";
			// save the number of removable berths for later
			missionVariables.berthControl_removableBerths =  berths - minBerths;
		}
	}
	
	if (msg !== "")
	{
		player.consoleMessage(msg, 5);
		//  save a message for later
		if (berths > 0 && minBerths > 0)
		{
			msg = minBerths + " Passenger Berths cannot be modified at this shipyard."
		}
		missionVariables.berthControl_marketMessage = msg;
	}
}

this.playerBoughtEquipment = function(equipment)
{
  if (missionVariables.berthControl_removableBerths === null)
	{
		// no berthControl mission variable? do nothing
		return;
	}
 
  if (equipment == "EQ_PASSENGER_BERTH")
    {
		missionVariables.berthControl_removableBerths++;  // update counter
    }

  if (equipment == "EQ_PASSENGER_BERTH_REMOVAL")
    {
		missionVariables.berthControl_removableBerths--;  // update counter
    }
}