/*																		//
	DZMSAISpawn.sqf by Vampire
	Usage: [position,unitcount,skillLevel] execVM "dir\DZMSAISpawn.sqf";
		Position is the coordinates to spawn at [X,Y,Z]
		UnitCount is the number of units to spawn
		SkillLevel is the skill number defined in DZMSAIConfig.sqf
*/																		//
private ["_position","_unitcount","_skill","_wpRadius","_xpos","_ypos","_unitGroup","_aiskin","_aivest","_aiheadgear","_unit","_weapon","_magazine","_wppos1","_wppos2","_wppos3","_wppos4","_wp1","_wp2","_wp3","_wp4","_wpfin","_unitArrayName","_unitMissionCount"];
_position = _this select 0;
_unitcount = _this select 1;
_skill = _this select 2;
_unitArrayName = _this select 3;

//diag_log text format ["[DZMS]: AI Pos:%1 / AI UnitNum: %2 / AI SkillLev:%3",_position,_unitcount,_skill];

_wpRadius = 20;

_xpos = _position select 0;
_ypos = _position select 1;

//Create the unit group. We use east by default.
_unitGroup = createGroup DZMSAISide;

//Probably unnecessary, but prevents client AI stacking
if (!isServer) exitWith {};

for "_x" from 1 to _unitcount do {

	//Lets spawn the unit
	_unit = _unitGroup createUnit [DZMSAIModel, [(_position select 0),(_position select 1),(_position select 2)], [], 10, "NONE"];
	
	//Make him join the correct team
	[_unit] joinSilent _unitGroup;
	
	//Add the behaviour
	_unit enableAI "TARGET";
	_unit enableAI "AUTOTARGET";
	_unit enableAI "MOVE";
	_unit enableAI "ANIM";
	_unit enableAI "FSM";
	_unit setCombatMode "YELLOW";
	_unit setBehaviour "COMBAT";
	
	//Remove the items he spawns with by default
	removeAllWeapons _unit;
	removeAllItems _unit;
	removeAllAssignedItems _unit;
	removeUniform _unit;
	removeVest _unit; 
	removeBackpack _unit;
	removeHeadgear _unit;
	removeGoggles _unit;
	
	//Add Money to AI Wallets. Credit to Zupa for the original code.
	if (DZMSAICheckWallet) then {
		_cash = round(random 10) * 5; // adds money to ai wallets in 5Cr increments. 
		_unit setVariable["Crypto",_cash,true];

	};
	
	//Now we need to figure out their loadout, and assign it
	
	//Get the weapon array based on skill
	_weaponArray = [_skill] call DZMSGetWeapon;
	
	_weapon = _weaponArray select 0;
	_magazine = _weaponArray select 1;
	
	//diag_log text format ["[DZMS]: AI Weapon:%1 / AI Magazine:%2",_weapon,_magazine];
	
	// Select a random uniform and put it on
	_aiskin = selectRandom DZMSBanditSkins;
	_unit forceAddUniform _aiskin;
	
	// If an array of helmets is provided then select a random one from that list
	// Otherwise select random vanilla headgear
	_aiheadgear = selectRandom DZMSBanditHelmets;
	if(_aiheadgear != "") then {
		_unit addHeadgear _aiheadgear;
	} else {
		_unit addHeadgear format ["H_%1_EPOCH", floor(random 91) + 1];
	};
	
	// If an array of vests is provided then select a random one from that list
	// Otherwise select a random vanilla vest
	_aivest = selectRandom DZMSBanditVests;
	if(_aivest != "") then {
		_unit addvest _aivest;
	} else {
		_unit addvest format ["V_%1_EPOCH", floor(random 39) + 1];
	};
	
	//Get the gear array
	_aigearArray = [DZMSGear0,DZMSGear1,DZMSGear2,DZMSGear3,DZMSGear4];
	_gearmagazines = selectRandom _aigearArray;
	
	//Gear the AI backpack
	_aipack = selectRandom DZMSPacklist;

	//Lets add it to the Unit
	for "_i" from 1 to 3 do {
		_unit addMagazine _magazine;
	};
	_unit addWeapon _weapon;
	_unit selectWeapon _weapon;
	
	_unit addBackpack _aipack;
	
	if (DZMSUseNVG) then {
		_unit addWeapon "NVGoggles";
	};
	
	{
		_unit addMagazine _x
	} forEach _gearmagazines;
	
	_aicskill = DZMSSkills1;
	
	//Lets set the skills
	switch (_skill) do {
		case 0: {_aicskill = DZMSSkills0;};
		case 1: {_aicskill = DZMSSkills1;};
		case 2: {_aicskill = DZMSSkills2;};
		case 3: {_aicskill = DZMSSkills3;};
	};
	
	{
		_unit setSkill [(_x select 0),(_x select 1)]
	} forEach _aicskill;
	
	//Lets prepare the unit for cleanup
	_unit addEventHandler ["Killed",{ [(_this select 0), (_this select 1)] ExecVM DZMSAIKilled; }];
	_unit setVariable ["DZMSAI", true];
};

//Lets give a launcher if enabled
//The last _unit should still be defined from the FOR above
if (DZMSUseRPG) then {
	_unit addWeapon "launch_RPG32_F";
	_unit addMagazine "RPG32_F";
	_unit addMagazine "RPG32_F";
};

// These are 4 waypoints in a NSEW around the center
_wppos1 = [_xpos, _ypos+20, 0];
_wppos2 = [_xpos+20, _ypos, 0];
_wppos3 = [_xpos, _ypos-20, 0];
_wppos4 = [_xpos-20, _ypos, 0];

// We add the 4 waypoints
_wp1 = _unitGroup addWaypoint [_wppos1, _wpRadius];
_wp1 setWaypointType "MOVE";
_wp2 = _unitGroup addWaypoint [_wppos2, _wpRadius];
_wp2 setWaypointType "MOVE";
_wp3 = _unitGroup addWaypoint [_wppos3, _wpRadius];
_wp3 setWaypointType "MOVE";
_wp4 = _unitGroup addWaypoint [_wppos4, _wpRadius];
_wp4 setWaypointType "MOVE";

// Then we add a center waypoint that tells them to visit the rest
_wpfin = _unitGroup addWaypoint [[_xpos,_ypos, 0], _wpRadius];
_wpfin setWaypointType "CYCLE";

//diag_log text format ["[DZMS]: Spawned %1 AI at %2",_unitcount,_position];

// load the unit groups into a passed array name so they can be cleaned up later
call compile format["
%1 = %1 + (units _unitGroup); 
_unitMissionCount = count %1;
",_unitArrayName];

diag_log text format["[DZMS]: (%3) %1 AI Spawned, %2 units in mission.",count (units _unitGroup),_unitMissionCount,_unitArrayName];