add hemtt support, major refactor

- no longer supports server events
- can now more easily build using hemtt
- extension vastly improved in both structure and functionality
- tested on listen server
- includes schema change

addons/main/functions/fn_postInit.sqf

@@ -0,0 +1,61 @@
+#include "..\script_mod.hpp"
+
+if (!isServer) exitWith {};
+
+ATNamespace = false call CBA_fnc_createNamespace;
+ATDebug = true;
+"AttendanceTracker" callExtension ":START:";
+
+
+// we'll wait for the asynchronous init steps of the extension to finish, to confirm we have a DB connection and our config was loaded. If there are errors with either, the extension won't reply and initiate further during this mission.
+addMissionEventHandler ["ExtensionCallback", {
+	params ["_name", "_function", "_data"];
+	if !(_name isEqualTo "AttendanceTracker") exitWith {};
+	if !(_function isEqualTo ":READY:") exitWith {};
+
+	call attendanceTracker_fnc_getMissionHash;
+	call attendanceTracker_fnc_getSettings;
+
+	[
+		{// wait until settings have been loaded from extension
+			!isNil {ATNamespace getVariable "missionHash"} &&
+			!isNil {ATDebug}
+		},
+		{
+
+			// get world and mission context
+			ATNamespace setVariable [
+				"worldContext",
+				call attendanceTracker_fnc_getWorldInfo
+			];
+			ATNamespace setVariable [
+				"missionContext", 
+				call attendanceTracker_fnc_getMissionInfo
+			];
+
+			// write them to establish DB rows
+			"AttendanceTracker" callExtension [
+				":LOG:MISSION:",
+				[
+					[ATNamespace getVariable "missionContext"] call CBA_fnc_encodeJSON,
+					[ATNamespace getVariable "worldContext"] call CBA_fnc_encodeJSON
+				]
+			];
+
+			// add player connected (to mission) handler
+			addMissionEventHandler ["PlayerConnected", {
+				_this call attendanceTracker_fnc_onPlayerConnected;
+			}];
+		},
+		[],
+		10, // 10 second timeout
+		{ // timeout code
+			["Failed to load settings", "ERROR"] call attendanceTracker_fnc_log;
+		}
+	] call CBA_fnc_waitUntilAndExecute;
+
+	removeMissionEventHandler [
+		"ExtensionCallback",
+		_thisEventHandler
+	];
+}];