Expansion Spy Hunter

"use strict";
this.name        = "SpyHunter";
this.author      = "Selezen";
this.copyright   = "2016 Dave 'Selezen' Hughes";
this.description = "Main script file for Spy Hunter mission";

//-------------------------------------------------------------------------------------------------------------
this.missionScreenOpportunity = function() {
	if (galaxyNumber == 0 && player.ship.dockedStation.isMainStation && player.score > 512) {
		// set up mission
		if (system.ID == 158 && !missionVariables.spyhunter) {
			mission.runScreen({
				screenID:"spyhunter_screen_1",
				titleKey: "spy_hunter_mission_title",
				messageKey: "spy_hunter_Inines_orders",
				exitScreen: "GUI_SCREEN_STATUS"
			});
			missionVariables.spyhunter = "STAGE1";
			mission.markSystem({system:164, name:"spyhunter"});
			mission.setInstructionsKey("em1_sh_header1", this.name);
			return;
		}
		// stage 1 complete - setup stage 2
		if (system.ID == 164 && missionVariables.spyhunter == "STAGE1") {
			mission.runScreen({
				screenID:"spyhunter_screen_2",
				titleKey: "spy_hunter_mission_title",
				messageKey: "spy_hunter_Ribilebi_briefing",
				exitScreen: "GUI_SCREEN_STATUS"
			});
			missionVariables.spyhunter = "STAGE2";
			player.credits += 1000;
			mission.unmarkSystem({system:164, name:"spyhunter"});
			mission.markSystem({system:51, name:"spyhunter"});
			mission.setInstructionsKey("em1_sh_header2", this.name);
			return;
		}
		// stage 2 complete - setup stage 3
		if (system.ID == 51 && missionVariables.spyhunter == "STAGE2") {
			mission.runScreen({
				screenID:"spyhunter_screen_3",
				titleKey: "spy_hunter_mission_title",
				messageKey: "spy_hunter_Alaza_briefing",
				exitScreen: "GUI_SCREEN_STATUS"
			});
			missionVariables.spyhunter = "STAGE3";
			mission.unmarkSystem({system:51, name:"spyhunter"});
			mission.markSystem({system:102, name:"spyhunter"});
			mission.setInstructionsKey("em1_sh_header3", this.name);
			return;
		}
		// stage 2 complete - setup stage 3
		if (system.ID == 102 && missionVariables.spyhunter == "STAGE3") {
			mission.runScreen({
				screenID:"spyhunter_screen_4",
				titleKey: "spy_hunter_mission_title",
				messageKey: "spy_hunter_Beraanxe_briefing",
				exitScreen: "GUI_SCREEN_STATUS"
			});
			missionVariables.spyhunter = "STAGE4";
			mission.unmarkSystem({system:102, name:"spyhunter"});
			mission.markSystem({system:126, name:"spyhunter"});
			mission.setInstructionsKey("em1_sh_header4", this.name);
			return;
		}
		// stage 4 complete - show final message
		if (system.ID == 126 && missionVariables.spyhunter == "STAGE5") {
			mission.runScreen({
				screenID:"spyhunter_screen_6",
				titleKey: "spy_hunter_mission_title",
				messageKey: "spy_hunter_Anerbe_briefing",
				exitScreen: "GUI_SCREEN_STATUS"
			});
			missionVariables.spyhunter = "MISSION_COMPLETE";
			player.credits += 4000;
			mission.unmarkSystem({system:126, name:"spyhunter"});
			mission.setInstructionsKey(null, this.name);
			return;
		}
	}
}

//-------------------------------------------------------------------------------------------------------------
this.systemWillPopulate = function() {
	if (missionVariables.spyhunter == "STAGE4" && system.ID == 126 && galaxyNumber == 0 && system.countShipsWithRole("spyhunter_impcourier") == 0) {
		var position = Vector3D(0, 0, 0.1).fromCoordinateSystem("wpu");
		// add base with populator
		system.setPopulator("spy hunter", {
			callback: function(pos) {
				var sb = system.addShips("spyhunter_impcourier", 1, pos);
				if (sb.length > 0) {
					// monkey patch if necessary
					if (sb[0].script.shipDied) {
						sb[0].script.$sh_ovr_shipDied = sb[0].script.shipDied;
					}
					// add our shipDied event to the spy's ship
					sb[0].script.shipDied = this.$spyHunter_shipDied;
				} else {
					log(this.name, "!!ERROR: Spy Courier not spawned!");
				}
			}.bind(this),
			location:"COORDINATES",
			coordinates:position});
	}
}

//-------------------------------------------------------------------------------------------------------------
this.$updateManifestText = function() {
	mission.setInstructionsKey("em1_sh_header5", this.name);
}

//-------------------------------------------------------------------------------------------------------------
this.$spyHunter_shipDied = function(whom, why) {
	if (this.ship.script.$sh_ovr_shipDied) this.ship.script.$sh_ovr_shipDied(whom, why);
	if (missionVariables.spyhunter == "STAGE4") {
		missionVariables.spyhunter = "STAGE5";
		worldScripts.SpyHunter.$updateManifestText();
	}
}