--The machine gun item

--Problem: the RunScript part in OnSpellStart clearly isn't working because the script that it's running is supposed to print a simple message but it doesn't. There are no errors in the console.	
	"item_ak_stickarena"
	{
		"ID"							"4126"
		"BaseClass"						"item_datadriven"
		"AbilityBehavior"				"DOTA_ABILITY_BEHAVIOR_POINT | DOTA_ABILITY_BEHAVIOR_CHANNELLED"
		"AbilityUnitTargetTeam"			"DOTA_UNIT_TARGET_TEAM_ENEMY"
		"AbilityUnitTargetType"			"DOTA_UNIT_TARGET_HERO"
		"AbilityUnitDamageType"			"DAMAGE_TYPE_PURE"
		"AbilityChannelTime"			"50"

		"AbilityCastAnimation"			"ACT_DOTA_ATTACK"
		"AbilityTextureName"			"item_ak"
		"Model"							"models/items/sniper/machine_gun_charlie/machine_gun_charlie.vmdl"
		//	Stats
		//-------------------------------------------------------------------------------------------------------------
		"AbilityCastRange"				"%projectile_distance"
		"AbilityCastPoint"				"0.2"
		"AbilityCooldown"				"4"
		"AbilityDamage"					"150"

		//	Item Info
		//-------------------------------------------------------------------------------------------------------------
		"AbilityManaCost"				"0"
		"ItemCost"						"0"
		"ItemInitialCharges"			"0"
		"ItemDroppable"					"1"
		"ItemSellable"					"0"
		"ItemRequiresCharges"			"0"
		"ItemShareability"				"ITEM_NOT_SHAREABLE"
		"ItemDeclarations"				"DECLARE_PURCHASES_TO_TEAMMATES	| DECLARE_PURCHASES_TO_SPECTATORS"
		
		"MaxUpgradeLevel"				"1"
		"ItemBaseLevel"					"1"
		
		"precache"
		{
			"model"						"models/items/sniper/machine_gun_charlie/machine_gun_charlie.vmdl"
		}

		"OnEquip"
		{
			"RunScript"
			{
				"ScriptFile"			"equip.lua"
				"Function"				"EquipWeapon"
				"NewWeaponModel"		"models/items/sniper/machine_gun_charlie/machine_gun_charlie.vmdl"
			}	
		}

		"OnUnequip"
		{
			"RunScript"
			{
				"ScriptFile"			"equip.lua"
				"Function"				"UnequipWeapon"
			}	
		}

		"OnSpellStart"
		{
			"RunScript"
			{
				"ScriptFile"			"items/ak.lua"
				"Function"				"InitializeMachineGun"
				"Target"				"POINT"
				"TicksBetweenBursts"	"%ticks_between_bursts"
				"BurstCount"			"%burst_count"
				"ProjectileSpeed"		"%projectile_speed"
				"ProjectileDistance" 	"%projectile_distance"
				"ProjectileRadius"		"%projetile_radius"
				"ThinkInterval"			"%think_interval"
				"ChannelTime"			"%channel_time"
			}
		}

		"OnChannelFinish"
		{
			"RunScript"
			{
				"ScriptFile"	"items/ak.lua"
				"Function"		"StopMachineGun"
			}
		}

		"OnProjectileHitUnit"
		{
			"Damage"
			{
				"Target"				"TARGET"
				"Type"					"DAMAGE_TYPE_PURE"
				"Damage"				"%AbilityDamage"
			}
			"FireSound"
			{
				"EffectName"			"Hero_Sniper.ProjectileImpact"
				"Target"				"TARGET"
			}
		}

		"Modifiers"
		{
			"modifier_item_ak"
			{
				"Passive"				"1"
				"IsHidden"				"1"
				"Attributes"			"MODIFIER_ATTRIBUTE_MULTIPLE"
			
				"Properties"
				{
					"MODIFIER_PROPERTY_MOVESPEED_BONUS_UNIQUE"	"%bonus_movement_speed"
				}
			}
		}

		//	Special	
		//-------------------------------------------------------------------------------------------------------------
		"AbilitySpecial"
		{
			"01"
			{
				"var_type"				"FIELD_INTEGER"
				"projectile_distance"	"1500"
			}
			"02"
			{
				"var_type"				"FIELD_INTEGER"
				"projectile_damage"		"150"
			}
			"03"
			{
				"var_type"				"FIELD_INTEGER"
				"projectile_radius"		"30"
			}
			"04"
			{
				"var_type"				"FIELD_INTEGER"
				"projectile_speed"		"2000"
			}
			"05"
			{
				"var_type"				"FIELD_INTEGER"
				"bonus_movement_speed"	"50"
			}
			"06"
			{
				"var_type"				"FIELD_INTEGER"
				"channel_time"			"50"
			}
			"07"
			{
				"var_type"				"FIELD_INTEGER"
				"burst_count"			"3"
			}
			"08"
			{
				"var_type"				"FIELD_FLOAT"
				"think_interval"		"0.3"
			}
			"09"
			{
				"var_type"				"FIELD_FLOAT"
				"ticks_between_bursts"	"2"
			}

		}
	}

--items/ak.lua
require('libraries/timers')

function InitalizeMachineGun(keys)
	print('[STICKARENA] Initalizing Machine Gun')

	local caster = keys.caster

	caster.ticknumber = 0

	Timers:CreateTimer(0.01, -- Start this timer 30 game-time seconds later
	function()

		print('[STICKARENA] MachineGunThink')
		if caster.ticknumber * keys.ThinkInterval >= keys.ChannelTime then
			print('[STICKARENA] notice: caster.ticknumber * keys.ThinkInterval >= keys.ChannelTime')
			return
		elseif caster.ticknumber == -1 then
			print('[STICKARENA] notice: caster.ticknumber == -1')
			return
		end

		local totalmodulus = keys.TicksBetweenBursts + keys.BurstCount
		local ticknumber = caster.ticknumber
		local interval = ticknumber % totalmodulus
		local ifinterval = keys.BurstCount - 1

		--Fire Projectile
		if interval <= ifinterval then
			local vec = keys.target_points[1]
			local diff = vec - caster:GetAbsOrigin()
			diff.z = 0
			local dir = diff:Normalized()
		
			local info =
			{
				Ability = keys.ability,
				EffectName = "particles/linear_projectiles/sniper_base_attack.vpcf",
				vSpawnOrigin = caster:GetAbsOrigin(),
				fDistance = keys.ProjectileDistance,
				fStartRadius = keys.ProjectileRadius,
				fEndRadius = keys.ProjectileRadius,
				Source = caster,
				bHasFrontalCone = false,
				bReplaceExisting = false,
				iUnitTargetTeam = DOTA_UNIT_TARGET_TEAM_ENEMY,
				iUnitTargetFlags = DOTA_UNIT_TARGET_FLAG_NONE,
				iUnitTargetType = DOTA_UNIT_TARGET_HERO + DOTA_UNIT_TARGET_BASIC,
				fExpireTime = GameRules:GetGameTime() + 10.0,
				bDeleteOnHit = true,
				vVelocity = dir * keys.ProjectileSpeed,		
				bProvidesVision = false,
				iVisionRadius = 0,
				iVisionTeamNumber = caster:GetTeamNumber()
			}
			caster:EmitSound("weapons/hero/sniper/projectile_impact01.wav")
			dir = RotatePosition(Vector(0,0,0), QAngle(0,RandomInt(-3,3),0), dir)
			info.vVelocity = dir * keys.ProjectileSpeed
			ProjectileManager:CreateLinearProjectile( info )
		end

		caster.ticknumber = caster.ticknumber + 1
		return keys.ThinkInterval -- Rerun this timer

    end)
end

function MachineGunEnd(keys)
	keys.caster.ticknumber =  -1
end