Expansion Market Cooldown

"use strict";

this.name = "market_cooldown";
this.author = "spara";
this.description = "Create a fade out effect to the markets";

this.startUp = function() {
	//this is the number of jumps needed to fade the effect
	this.$jumpsNeeded = 10.0;

	//fadecounter is a number between ]0, 10]
	//this calculates the step the counter needs to take each time. don't touch
	this.$step = 10.0 / this.$jumpsNeeded;
	
	if (missionVariables.marketCooldown) {
		this.$storedMarkets = JSON.parse(missionVariables.marketCooldown);
	}
	else this.$storedMarkets = new Object();
}

//store market on exiting station
this.shipLaunchedFromStation = function(station) {
	if (system.isInterstellarSpace) return;
	var sMarket = station.market;
	var marketObj = new Object();
	marketObj.fadeCounter = 0.0;
	for (var i in sMarket) {
		marketObj[i] = sMarket[i].quantity;
	}
	//a uniqueish key for the station calculated from station to witchpoint buoy and sun distances
	var idKey = Math.round(station.position.magnitude() + station.position.distanceTo(system.sun.position));
	this.$storedMarkets[idKey] = marketObj;
}

//advance counters on exiting withcspace. when a counter reaches 10, delete the market entry.
this.shipWillExitWitchspace = function() {
	for (var i in this.$storedMarkets) {
		//rounding used here for rounding possible rounding error on using fractional step counter.
		if (Math.round(this.$storedMarkets[i].fadeCounter) >= 10){
			delete this.$storedMarkets[i];
		}
		else {
			this.$storedMarkets[i].fadeCounter += this.$step;
		}
	}
}

//add cooldown effect to all recently visited markets.
this.shipExitedWitchspace = function() {
	var stations = system.stations;
	for (var i = 0; i < stations.length; i++) {
		var station = stations[i];
		var idKey = Math.round(station.position.magnitude() + station.position.distanceTo(system.sun.position));
		if (this.$storedMarkets[idKey]) {
			var sMarket = station.market;
			var oMarket = this.$storedMarkets[idKey];
			var percentageMultiplier = oMarket.fadeCounter / 10.0;
			for (var j in sMarket) {
				var oldQuantity = oMarket[j];
				var proposedQuantity = sMarket[j].quantity;
				var diff = Math.round((proposedQuantity - oldQuantity) * percentageMultiplier);
				station.setMarketQuantity(j, oldQuantity + diff);
			}
		}
	}
}


this.playerWillSaveGame = function() {
	missionVariables.marketCooldown = JSON.stringify(this.$storedMarkets);
}

//clear all saved markets on galactic jump.
this.playerEnteredNewGalaxy = function() {
	delete this.$storedMarkets;
	this.$storedMarkets = new Object();
}