ability_item_usage_alchemist.lua

----------------------------------------------------------------------------
--	Ranked Matchmaking AI v1.1 NewStructure
--	Author: adamqqq		Email:adamqqq@163.com
----------------------------------------------------------------------------
--------------------------------------
-- General Initialization
--------------------------------------
local utility = require(GetScriptDirectory() .. "/utility")
local ability_item_usage_generic = require(GetScriptDirectory() .. "/ability_item_usage_generic")
local AbilityExtensions = require(GetScriptDirectory() .. "/util/AbilityAbstraction")
local A = require(GetScriptDirectory() .. "/util/MiraDota")
local ItemUsage = require(GetScriptDirectory() .. "/util/ItemUsage-New")

local debugmode = false
local npcBot = GetBot()
if npcBot == nil or npcBot:IsIllusion() then
	return
end

local Talents = {}
local Abilities = {}
local AbilitiesReal = {}

ability_item_usage_generic.InitAbility(Abilities, AbilitiesReal, Talents)

local AbilityToLevelUp =
{
	Abilities[3],
	Abilities[2],
	Abilities[1],
	Abilities[1],
	Abilities[1],
	Abilities[6],
	Abilities[3],
	Abilities[3],
	Abilities[3],
	Abilities[1],
	"talent",
	Abilities[6],
	Abilities[2],
	Abilities[2],
	"talent",
	Abilities[2],
	"nil",
	Abilities[6],
	"nil",
	"talent",
	"nil",
	"nil",
	"nil",
	"nil",
	"talent",
}

local TalentTree = {
	function()
		return Talents[2]
	end,
	function()
		return Talents[4]
	end,
	function()
		return Talents[5]
	end,
	function()
		return Talents[7]
	end
}

-- check skill build vs current level
utility.CheckAbilityBuild(AbilityToLevelUp)

function BuybackUsageThink()
	ability_item_usage_generic.BuybackUsageThink();
end

function CourierUsageThink()
	ability_item_usage_generic.CourierUsageThink();
end

function AbilityLevelUpThink()
	ability_item_usage_generic.AbilityLevelUpThink2(AbilityToLevelUp, TalentTree)
end

--------------------------------------
-- Ability Usage Thinking
--------------------------------------
local cast = {}
cast.Desire = {}
cast.Target = {}
cast.Type = {}
local Consider = {}
local CanCast = { utility.NCanCast, utility.NCanCast, utility.NCanCast, utility.UCanCast, utility.CanCastNoTarget,
	utility.NCanCast, utility.NCanCast }
local enemyDisabled = utility.enemyDisabled

function GetComboDamage()
	return ability_item_usage_generic.GetComboDamage(AbilitiesReal)
end

function GetComboMana()
	return ability_item_usage_generic.GetComboMana(AbilitiesReal)
end

function ConsiderSoulRing()
	local soulring = IsItemAvailable("item_soul_ring");
	if (soulring ~= nil and soulring:IsFullyCastable() and HealthPercentage > 0.6)
	then
		ItemUsage.UseItemNoTarget(npcBot, soulring)
	end
end

-- Consider[1]=function()
-- local Desire,Location=Consider1()
-- if(Desire>0)
-- then
-- ConsiderSoulRing()
-- return Desire,Location
-- end
-- end

-- alchemist_acid_spray
Consider[1] = function()

	local abilityNumber = 1
	--------------------------------------
	-- Generic Variable Setting
	--------------------------------------

	local ability = AbilitiesReal[abilityNumber];
	if not ability:IsFullyCastable() then
		return 0
	end
	local CastRange = ability:GetCastRange();
	local Damage = ability:GetAbilityDamage();
	local Radius = ability:GetAOERadius()
	local CastPoint = ability:GetCastPoint();

	local allys = npcBot:GetNearbyHeroes(1200, false, BOT_MODE_NONE);
	local enemys = npcBot:GetNearbyHeroes(CastRange + 300, true, BOT_MODE_NONE)
	local WeakestEnemy, HeroHealth = utility.GetWeakestUnit(enemys)
	local creeps = npcBot:GetNearbyCreeps(CastRange + 300, true)
	local WeakestCreep, CreepHealth = utility.GetWeakestUnit(creeps)

	if (ability:IsCooldownReady() and (#creeps > 0 or #enemys > 0))
	then
		ConsiderSoulRing()
	end

	if not ability:IsFullyCastable() then
		return BOT_ACTION_DESIRE_NONE, 0;
	end

	--------------------------------------
	-- Global high-priorty usage
	--------------------------------------
	--try to kill enemy hero
	if (npcBot:GetActiveMode() ~= BOT_MODE_RETREAT)
	then
		if (WeakestEnemy ~= nil)
		then
			if (CanCast[abilityNumber](WeakestEnemy))
			then
				if (
					HeroHealth <= WeakestEnemy:GetActualIncomingDamage(Damage, DAMAGE_TYPE_MAGICAL) or
						(
						HeroHealth <= WeakestEnemy:GetActualIncomingDamage(GetComboDamage(), DAMAGE_TYPE_MAGICAL) and
							npcBot:GetMana() > ComboMana))
				then
					return BOT_ACTION_DESIRE_HIGH, WeakestEnemy:GetExtrapolatedLocation(CastPoint);
				end
			end
		end
	end
	--------------------------------------
	-- Mode based usage
	--------------------------------------
	-- If we're farming and can kill 3+ creeps with LSA
	if (npcBot:GetActiveMode() == BOT_MODE_FARM) then
		local locationAoE = npcBot:FindAoELocation(true, false, npcBot:GetLocation(), CastRange, Radius, 0, Damage);

		if (locationAoE.count >= 3) then
			return BOT_ACTION_DESIRE_LOW, locationAoE.targetloc;
		end
	end

	-- If my mana is enough,use it at enemy
	if (npcBot:GetActiveMode() == BOT_MODE_LANING)
	then
		if (ManaPercentage > 0.4 or npcBot:GetMana() > ComboMana)
		then
			local locationAoE = npcBot:FindAoELocation(true, false, npcBot:GetLocation(), CastRange, Radius, 0, Damage);
			if (locationAoE.count >= 4) then
				return BOT_ACTION_DESIRE_LOW, locationAoE.targetloc;
			end
		end
	end

	-- If we're pushing or defending a lane and can hit 4+ creeps, go for it
	if (npcBot:GetActiveMode() == BOT_MODE_PUSH_TOWER_TOP or
		npcBot:GetActiveMode() == BOT_MODE_PUSH_TOWER_MID or
		npcBot:GetActiveMode() == BOT_MODE_PUSH_TOWER_BOT or
		npcBot:GetActiveMode() == BOT_MODE_DEFEND_TOWER_TOP or
		npcBot:GetActiveMode() == BOT_MODE_DEFEND_TOWER_MID or
		npcBot:GetActiveMode() == BOT_MODE_DEFEND_TOWER_BOT)
	then
		local locationAoE = npcBot:FindAoELocation(true, false, npcBot:GetLocation(), CastRange, Radius, 0, 0);

		if (locationAoE.count >= 4)
		then
			return BOT_ACTION_DESIRE_LOW, locationAoE.targetloc;
		end
	end

	-- If we're going after someone
	if (npcBot:GetActiveMode() == BOT_MODE_ROAM or
		npcBot:GetActiveMode() == BOT_MODE_TEAM_ROAM or
		npcBot:GetActiveMode() == BOT_MODE_DEFEND_ALLY or
		npcBot:GetActiveMode() == BOT_MODE_ATTACK)
	then
		local locationAoE = npcBot:FindAoELocation(true, true, npcBot:GetLocation(), CastRange, Radius, 0, 0);
		if (locationAoE.count >= 2) then
			return BOT_ACTION_DESIRE_LOW, locationAoE.targetloc;
		end

		local npcEnemy = npcBot:GetTarget();

		if (npcEnemy ~= nil)
		then
			if (CanCast[abilityNumber](npcEnemy) and enemyDisabled(npcEnemy))
			then
				return BOT_ACTION_DESIRE_HIGH, npcEnemy:GetExtrapolatedLocation(CastPoint);
			end
		end
	end

	return BOT_ACTION_DESIRE_NONE, 0;

end

-- alchemist_unstable_concoction
Consider[2] = function()

	local desire = Consider2()
	if (desire > 0)
	then
		npcBot.AlchemistAbilityTimer = DotaTime()
		return desire
	end

end

function Consider2()
	local abilityNumber = 2
	--------------------------------------
	-- Generic Variable Setting
	--------------------------------------
	local ability = AbilitiesReal[abilityNumber];

	if not ability:IsFullyCastable() then
		return BOT_ACTION_DESIRE_NONE, 0;
	end

	local CastRange = ability:GetCastRange();
	local Damage = ability:GetAbilityDamage();
	local CastPoint = ability:GetCastPoint();

	local allys = npcBot:GetNearbyHeroes(1200, false, BOT_MODE_NONE);
	local enemys = npcBot:GetNearbyHeroes(CastRange + 300, true, BOT_MODE_NONE)
	local WeakestEnemy, HeroHealth = utility.GetWeakestUnit(enemys)
	local creeps = npcBot:GetNearbyCreeps(CastRange + 300, true)
	local WeakestCreep, CreepHealth = utility.GetWeakestUnit(creeps)
	--------------------------------------
	-- Global high-priorty usage
	--------------------------------------
	-- Check for a channeling enemy
	for _, npcEnemy in pairs(enemys) do
		if (npcEnemy:IsChanneling() and CanCast[abilityNumber](npcEnemy))
		then
			return BOT_ACTION_DESIRE_HIGH
		end
	end

	--Try to kill enemy hero
	if (npcBot:GetActiveMode() ~= BOT_MODE_RETREAT)
	then
		if (WeakestEnemy ~= nil)
		then
			if (CanCast[abilityNumber](WeakestEnemy))
			then
				if (
					HeroHealth <= WeakestEnemy:GetActualIncomingDamage(Damage, DAMAGE_TYPE_MAGICAL) or
						(
						HeroHealth <= WeakestEnemy:GetActualIncomingDamage(GetComboDamage(), DAMAGE_TYPE_MAGICAL) and
							npcBot:GetMana() > ComboMana))
				then
					return BOT_ACTION_DESIRE_HIGH
				end
			end
		end
	end

	--------------------------------------
	-- Mode based usage
	--------------------------------------
	-- If we're seriously retreating, see if we can land a stun on someone who's damaged us recently
	if (npcBot:GetActiveMode() == BOT_MODE_RETREAT and npcBot:GetActiveModeDesire() >= BOT_MODE_DESIRE_HIGH)
	then
		for _, npcEnemy in pairs(enemys) do
			if (npcBot:WasRecentlyDamagedByHero(npcEnemy, 2.0))
			then
				if (CanCast[abilityNumber](npcEnemy) and not enemyDisabled(npcEnemy))
				then
					return BOT_ACTION_DESIRE_HIGH
				end
			end
		end
	end

	-- If we're going after someone
	if (npcBot:GetActiveMode() == BOT_MODE_ROAM or
		npcBot:GetActiveMode() == BOT_MODE_TEAM_ROAM or
		npcBot:GetActiveMode() == BOT_MODE_DEFEND_ALLY or
		npcBot:GetActiveMode() == BOT_MODE_ATTACK)
	then
		local npcEnemy = npcBot:GetTarget();

		if (npcEnemy ~= nil) and npcEnemy:IsHero()
		then
			if (
				CanCast[abilityNumber](npcEnemy) and not enemyDisabled(npcEnemy) and
					GetUnitToUnitDistance(npcBot, npcEnemy) < CastRange + 75 * #allys)
			then
				return BOT_ACTION_DESIRE_MODERATE
			end
		end
	end

	return BOT_ACTION_DESIRE_NONE, 0;

end

-- alchemist_chemical_rage
Consider[6] = function()
	local abilityNumber = 6
	--------------------------------------
	-- Generic Variable Setting
	--------------------------------------
	local ability = AbilitiesReal[abilityNumber];

	if not ability:IsFullyCastable() then
		return BOT_ACTION_DESIRE_NONE, 0;
	end

	local CastRange = ability:GetCastRange();
	local Damage = ability:GetAbilityDamage();
	local CastPoint = ability:GetCastPoint();

	local allys = npcBot:GetNearbyHeroes(1200, false, BOT_MODE_NONE);
	local enemys = npcBot:GetNearbyHeroes(CastRange + 300, true, BOT_MODE_NONE)
	local WeakestEnemy, HeroHealth = utility.GetWeakestUnit(enemys)
	local creeps = npcBot:GetNearbyCreeps(CastRange + 300, true)
	local WeakestCreep, CreepHealth = utility.GetWeakestUnit(creeps)
	--------------------------------------
	-- Global high-priorty usage
	--------------------------------------
	-- As our health gets low, good time to rage
	if HealthPercentage <= 0.2 then
		return BOT_ACTION_DESIRE_HIGH
	end
	if (HealthPercentage <= 0.4)
	then
		return BOT_ACTION_DESIRE_LOW
	end

	-- If we're in a teamfight, good time to rage
	local tableNearbyAttackingAlliedHeroes = npcBot:GetNearbyHeroes(1000, false, BOT_MODE_ATTACK);
	if (#tableNearbyAttackingAlliedHeroes >= 2)
	then
		return BOT_ACTION_DESIRE_HIGH
	end
	--------------------------------------
	-- Mode based usage
	--------------------------------------
	-- If we're seriously retreating, good time to rage
	if (npcBot:GetActiveMode() == BOT_MODE_RETREAT and npcBot:GetActiveModeDesire() >= BOT_MODE_DESIRE_HIGH)
	then
		if (npcBot:WasRecentlyDamagedByAnyHero(2.0) and HealthPercentage <= 0.70 + #enemys * 0.05)
		then
			return BOT_ACTION_DESIRE_HIGH
		end
	end

	-- If we're going after someone, good time to rage
	if (npcBot:GetActiveMode() == BOT_MODE_ROAM or
		npcBot:GetActiveMode() == BOT_MODE_TEAM_ROAM or
		npcBot:GetActiveMode() == BOT_MODE_DEFEND_ALLY or
		npcBot:GetActiveMode() == BOT_MODE_ATTACK)
	then
		if (HealthPercentage <= 0.70 + #enemys * 0.05)
		then
			return BOT_ACTION_DESIRE_HIGH
		end
	end

	return BOT_ACTION_DESIRE_NONE
end

-- berserk potion
Consider[4] = function()
	local abilityNumber = 4
	--------------------------------------
	-- Generic Variable Setting
	--------------------------------------
	local ability = AbilitiesReal[abilityNumber];

	if not ability:IsFullyCastable() or ability:IsHidden() then
		return BOT_ACTION_DESIRE_NONE, 0;
	end

	local CastRange = ability:GetCastRange();
	local Damage = ability:GetAbilityDamage();
	local CastPoint = ability:GetCastPoint();

	local allys = npcBot:GetNearbyHeroes(CastRange + 200, false, BOT_MODE_NONE);
	local enemys = npcBot:GetNearbyHeroes(1200, true, BOT_MODE_NONE)
	-- use at myself when chemical rage is not available
	local useTable = {}
	if not npcBot:HasModifier("modifier_alchemist_chemical_rage") and
		not npcBot:HasModifier("modifier_alchemist_berserk_potion") then
		local useChemicalRageDesire = Consider[6]()
		if useChemicalRageDesire ~= 0 then
			table.insert(useTable, { useChemicalRageDesire, npcBot })
		end
	end

	local checkAlly = function(ally)
		local healthPercent = AbilityExtensions:GetHealthPercent(ally)
		if healthPercent <= 0.2 then
			return BOT_ACTION_DESIRE_HIGH
		end
		if (healthPercent <= 0.4)
		then
			return BOT_ACTION_DESIRE_LOW
		end

		-- If we're in a teamfight, use it on the scariest enemy
		local tableNearbyAttackingAlliedHeroes = npcBot:GetNearbyHeroes(1000, false, BOT_MODE_ATTACK);
		if (#tableNearbyAttackingAlliedHeroes >= 2)
		then
			return BOT_ACTION_DESIRE_HIGH
		end
		--------------------------------------
		-- Mode based usage
		--------------------------------------
		-- If we're seriously retreating, see if we can land a stun on someone who's damaged us recently
		if (ally:GetActiveMode() == BOT_MODE_RETREAT and ally:GetActiveModeDesire() >= BOT_MODE_DESIRE_HIGH)
		then
			if (ally:WasRecentlyDamagedByAnyHero(2.0) and healthPercent <= 0.70 + #enemys * 0.05)
			then
				return BOT_ACTION_DESIRE_HIGH
			end
		end

		-- If we're going after someone
		if (ally:GetActiveMode() == BOT_MODE_ROAM or
			ally:GetActiveMode() == BOT_MODE_TEAM_ROAM or
			ally:GetActiveMode() == BOT_MODE_DEFEND_ALLY or
			ally:GetActiveMode() == BOT_MODE_ATTACK)
		then
			if (healthPercent <= 0.70 + #enemys * 0.05)
			then
				return BOT_ACTION_DESIRE_HIGH
			end
		end

		return BOT_ACTION_DESIRE_NONE
	end
	local function CheckAlly2(ally)
		return checkAlly(ally) * AbilityExtensions:GetTargetHealAmplifyPercent(ally)
	end

	for _, ally in ipairs(allys) do
		local useAtAllyDesire = CheckAlly2(ally) - 0.2
		if useAtAllyDesire > 0 then
			table.insert(useTable, { useAtAllyDesire, ally })
		end
	end
	local highestDesire = { -1, -1 }
	for _, target in ipairs(useTable) do
		if highestDesire[1] < target[1] then
			highestDesire = target
		end
	end
	if highestDesire[1] == -1 then
		return 0
	else
		return highestDesire[1], highestDesire[2]
	end
end

-- alchemist_unstable_concoction_throw
Consider[7] = function()
	local abilityNumber = 7
	--------------------------------------
	-- Generic Variable Setting
	--------------------------------------
	local ability = AbilitiesReal[abilityNumber];

	if not ability:IsFullyCastable() or ability:IsHidden() then
		return BOT_ACTION_DESIRE_NONE, 0;
	end

	local CastRange = ability:GetCastRange();
	local Damage = ability:GetAbilityDamage();
	local CastPoint = ability:GetCastPoint();
	local TimeSinceCast = DotaTime() - npcBot.AlchemistAbilityTimer

	local allys = npcBot:GetNearbyHeroes(1200, false, BOT_MODE_NONE);
	local enemys = npcBot:GetNearbyHeroes(CastRange + 300, true, BOT_MODE_NONE)
	local WeakestEnemy, HeroHealth = utility.GetWeakestUnit(enemys)
	local creeps = npcBot:GetNearbyCreeps(CastRange + 300, true)
	local WeakestCreep, CreepHealth = utility.GetWeakestUnit(creeps)
	--------------------------------------
	-- Global high-priorty usage
	--------------------------------------
	-- Check for a channeling enemy
	for _, npcEnemy in pairs(enemys) do
		if (npcEnemy:IsChanneling() and CanCast[abilityNumber](npcEnemy))
		then
			return BOT_ACTION_DESIRE_HIGH, npcEnemy
		end
	end

	--Try to kill enemy hero
	if (npcBot:GetActiveMode() ~= BOT_MODE_RETREAT)
	then
		if (WeakestEnemy ~= nil)
		then
			if (CanCast[abilityNumber](WeakestEnemy))
			then
				if (
					HeroHealth <= WeakestEnemy:GetActualIncomingDamage(Damage, DAMAGE_TYPE_MAGICAL) or
						(
						HeroHealth <= WeakestEnemy:GetActualIncomingDamage(GetComboDamage(), DAMAGE_TYPE_MAGICAL) and
							npcBot:GetMana() > ComboMana))
				then
					if (
						(GetUnitToUnitDistance(npcBot, WeakestEnemy) > CastRange - 100 and
							GetUnitToUnitDistance(npcBot, WeakestEnemy) < CastRange) or (TimeSinceCast > 3 and TimeSinceCast < 5) or
							WeakestEnemy:GetHealth() / WeakestEnemy:GetMaxHealth() <= 0.2)
					then
						return BOT_ACTION_DESIRE_HIGH, WeakestEnemy
					end
				end
			end
		end
	end

	--------------------------------------
	-- Mode based usage
	--------------------------------------
	-- If we're seriously retreating, see if we can land a stun on someone who's damaged us recently
	if npcBot:GetActiveMode() == BOT_MODE_RETREAT and npcBot:GetActiveModeDesire() >= BOT_MODE_DESIRE_HIGH then
		for _, npcEnemy in pairs(enemys) do
			if (npcBot:WasRecentlyDamagedByHero(npcEnemy, 2.0)) then
				if (CanCast[abilityNumber](npcEnemy) and not enemyDisabled(npcEnemy)) then
					if (GetUnitToUnitDistance(npcBot, npcEnemy) > CastRange - 100 and GetUnitToUnitDistance(npcBot, npcEnemy) <
						CastRange) or (TimeSinceCast > 2 and TimeSinceCast < 5)
						or npcEnemy:GetHealth() / npcEnemy:GetMaxHealth() <= 0.2 then
						return BOT_ACTION_DESIRE_HIGH, npcEnemy
					end
				end
			end
		end
	end

	-- If we're going after someone
	if (npcBot:GetActiveMode() == BOT_MODE_ROAM or
		npcBot:GetActiveMode() == BOT_MODE_TEAM_ROAM or
		npcBot:GetActiveMode() == BOT_MODE_DEFEND_ALLY or
		npcBot:GetActiveMode() == BOT_MODE_ATTACK)
	then
		local npcEnemy = AbilityExtensions:GetTargetIfGood(npcBot)

		if (npcEnemy ~= nil)
		then
			if CanCast[abilityNumber](npcEnemy) and not enemyDisabled(npcEnemy) then
				if GetUnitToUnitDistance(npcBot, npcEnemy) > CastRange - 100 and GetUnitToUnitDistance(npcBot, npcEnemy) < CastRange
					or (TimeSinceCast > 3 and TimeSinceCast < 5) or npcEnemy:GetHealth() / npcEnemy:GetMaxHealth() <= 0.2
				then
					return BOT_ACTION_DESIRE_HIGH, npcEnemy
				end
			end
		end
	end

	if #enemys > 0 then
		if TimeSinceCast >= 4 or TimeSinceCast >= 3 and enemys[1]:GetStunDuration(true) >= 2 then
			return BOT_ACTION_DESIRE_VERYHIGH, enemys[1]
		end
		if TimeSinceCast >= 2.5 then
			local silencer = AbilityExtensions:Count(enemys, function(t)
				return AbilityExtensions:MayNotBeIllusion(npcBot, t) and t:HasSilence(true)
			end)
			if silencer > 0 then
				return BOT_ACTION_DESIRE_HIGH, enemys[1]
			end
		end
	end

	-- throw when I'm hurt
	if (npcBot:GetHealth() / npcBot:GetMaxHealth() <= 0.25 and TimeSinceCast >= 1) then
		local es = npcBot:GetNearbyHeroes(CastRange, true, BOT_MODE_NONE)
		if #es > 0 then
			return BOT_ACTION_DESIRE_HIGH, es[1]
		end
	end
	return BOT_ACTION_DESIRE_NONE, 0
end
AbilityExtensions:AutoModifyConsiderFunction(npcBot, Consider, AbilitiesReal)

local function HasRealScepter(t)
	return t:HasScepter() or t:HasModifier("modifier_item_ultimate_scepter") or
		t:HasModifier("modifier_item_ultimate_scepter_consumed_alchemist")
end

local function GetNonScepterFriends()
	local friends = GetTeamPlayers(GetTeam())
	return AbilityExtensions:FilterNot(friends, function(t) return HasRealScepter(t) end)
end

local function GetFeedScepterDesire(t)
	if npcBot == t then
		return 0.1
	end
	if HasRealScepter(t) then
		return 0
	end
	local tb = t.itemInformationTable
	local scepterIndex = AbilityExtensions:IndexOf(tb,
		function(tp) return tp.name == "item_ultimate_scepter" or tp.name == "item_ultimate_scepter_2" end)
	if scepterIndex == -1 then
		return 0.02
	elseif scepterIndex == 1 then
		return 0
	end
	local desire = RemapValClamped(scepterIndex, 2, 4, 0.8, 0.2)
	return desire
end

local function CheckFeedScepter()
	local friends = GetNonScepterFriends()
	friends = AbilityExtensions:Filter(friends,
		function(t) return t:IsAlive() and AbilityExtensions:AllyCanCast(t) and GetUnitToUnitDistance(t, npcBot) <= 1400 end)
	AbilityExtensions:ForEach(friends, function(t) coroutine.yield(GetFeedScepterDesire(t), t) end)
end

CheckFeedScepter = AbilityExtensions:EveryManySeconds(1, CheckFeedScepter)

function AbilityUsageThink()

	-- Check if we're already using an ability
	if (npcBot:IsUsingAbility() or npcBot:IsChanneling() or npcBot:IsSilenced())
	then
		return
	end

	ComboMana = GetComboMana()
	AttackRange = npcBot:GetAttackRange()
	ManaPercentage = npcBot:GetMana() / npcBot:GetMaxMana()
	HealthPercentage = npcBot:GetHealth() / npcBot:GetMaxHealth()

	cast = ability_item_usage_generic.ConsiderAbility(AbilitiesReal, Consider)
	---------------------------------debug--------------------------------------------
	if (debugmode == true)
	then
		ability_item_usage_generic.PrintDebugInfo(AbilitiesReal, cast)
	end
	local index, target, castType = ability_item_usage_generic.UseAbility(AbilitiesReal, cast)
	if index == nil then
		local scepter = AbilityExtensions:GetAvailableItem(npcBot, "item_ultimate_scepter")
		if scepter and not AbilityExtensions:IsMuted(npcBot) then
			local desirePairs = AbilityExtensions:ResumeUntilReturn(CheckFeedScepter)
			if AbilityExtensions:CalledOnThisFrame(desirePairs) then
				local bestDesire = AbilityExtensions:Max(desirePairs, function(t) return t[1] end)
				if bestDesire[1] ~= 0 then
					ItemUsage.UseItemOnEntity(npcBot, scepter, bestDesire[2])
				end
			end
		end
	end
end

function CourierUsageThink()
	ability_item_usage_generic.CourierUsageThink()
end