ability_item_usage_bristleback.lua

----------------------------------------------------------------------------
--	Ranked Matchmaking AI v1.5d
--	Author: adamqqq		Email:adamqqq@163.com
--  Contributor: zmcmcc Email:mengzhang@utexas.edu
----------------------------------------------------------------------------
--------------------------------------
-- General Initialization
--------------------------------------
local utility = require( GetScriptDirectory().."/utility" ) 
require(GetScriptDirectory() ..  "/ability_item_usage_generic")

local debugmode=false
local npcBot = GetBot()
local Talents ={}
local Abilities ={}
local AbilitiesReal ={}

ability_item_usage_generic.InitAbility(Abilities,AbilitiesReal,Talents) 

local AbilityToLevelUp=
{
	Abilities[2],
	Abilities[3],
	Abilities[2],
	Abilities[1],
	Abilities[2],
	Abilities[4],
	Abilities[2],
	Abilities[3],
	Abilities[3],
	"talent",
	Abilities[3],
	Abilities[4],
	Abilities[1],
	Abilities[1],
	"talent",
	Abilities[1],
	"nil",
	Abilities[4],
	"nil",
	"talent",
	"nil",
	"nil",
	"nil",
	"nil",
	"talent",
}
local TalentTree={
	function()
		return Talents[2]
	end,
	function()
		return Talents[3]
	end,
	function()
		return Talents[5]
	end,
	function()
		return Talents[7]
	end
}

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

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}
local enemyDisabled=utility.enemyDisabled

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

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


Consider[1]=function()

	local abilityNumber=1
	--------------------------------------
	-- 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 = 0;
	
	local HeroHealth=10000
	local CreepHealth=10000
	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 we're in a teamfight, use it on the scariest enemy
	local tableNearbyAttackingAlliedHeroes = npcBot:GetNearbyHeroes( 1000, false, BOT_MODE_ATTACK );
	if ( #tableNearbyAttackingAlliedHeroes >= 2 ) 
	then

		local npcMostDangerousEnemy = nil;
		local nMostDangerousDamage = 0;

		local tableNearbyEnemyHeroes = npcBot:GetNearbyHeroes( CastRange, true, BOT_MODE_NONE );
		for _,npcEnemy in pairs( tableNearbyEnemyHeroes )
		do
			if ( CanCast[abilityNumber]( npcEnemy ) and not enemyDisabled(npcEnemy))
			then
				local Damage2 = npcEnemy:GetEstimatedDamageToTarget( false, npcBot, 3.0, DAMAGE_TYPE_ALL );
				if ( Damage2 > nMostDangerousDamage )
				then
					nMostDangerousDamage = Damage2;
					npcMostDangerousEnemy = npcEnemy;
				end
			end
		end

		if ( npcMostDangerousEnemy ~= nil )
		then
			return BOT_ACTION_DESIRE_HIGH, npcMostDangerousEnemy;
		end
	end
	
	--try to kill enemy hero
	if(npcBot:GetActiveMode() ~= BOT_MODE_RETREAT ) 
	then
		if (WeakestEnemy~=nil)
		then
			if ( CanCast[abilityNumber]( WeakestEnemy ) and GetUnitToUnitDistance(npcBot,WeakestEnemy)< CastRange)
			then
				return BOT_ACTION_DESIRE_HIGH,WeakestEnemy; 
			end
		end
	end
	
	--------------------------------------
	-- Mode based usage
	--------------------------------------

	-- 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 npcTarget = npcBot:GetTarget();

		if ( npcTarget ~= nil ) 
		then
			if ( CanCast[abilityNumber]( npcTarget )  and GetUnitToUnitDistance(npcBot,npcTarget)< CastRange)
			then
				return BOT_ACTION_DESIRE_MODERATE, npcTarget
			end
		end
	end

	return BOT_ACTION_DESIRE_NONE, 0 
end



Consider[2]=function()
	local abilityNumber=2
	--------------------------------------
	-- Generic Variable Setting
	--------------------------------------
	local ability=AbilitiesReal[abilityNumber];
	
	if not ability:IsFullyCastable() then
		return BOT_ACTION_DESIRE_NONE, 0;
	end
	
	local CastRange = 0
	local Damage = ability:GetAbilityDamage()
	local Radius = ability:GetAOERadius() - 50
	local CastPoint = ability:GetCastPoint()
	
	local HeroHealth=10000
	local CreepHealth=10000
	local allys = npcBot:GetNearbyHeroes( 1200, false, BOT_MODE_NONE );
	local enemys = npcBot:GetNearbyHeroes(Radius,true,BOT_MODE_NONE)
	local WeakestEnemy,HeroHealth=utility.GetWeakestUnit(enemys)
	local creeps = npcBot:GetNearbyCreeps(Radius,true)
	local WeakestCreep,CreepHealth=utility.GetWeakestUnit(creeps)
	--------------------------------------
	-- 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_PHYSICAL) or WeakestEnemy:HasModifier("modifier_bristleback_viscous_nasal_goo" ))
				then
					return BOT_ACTION_DESIRE_HIGH,WeakestEnemy
				end
			end
		end
	end
	--------------------------------------
	-- Mode based usage
	--------------------------------------
	--protect myself
	if((npcBot:WasRecentlyDamagedByAnyHero(2) and #enemys>=1) or #enemys >=2)
	then
		for _,npcEnemy in pairs( enemys )
		do
			if ( CanCast[abilityNumber]( npcEnemy ) )
			then
				return BOT_ACTION_DESIRE_HIGH,"immediately"
			end
		end
	end
	
	-- If my mana is enough,use it at enemy
	if ( npcBot:GetActiveMode() == BOT_MODE_LANING ) 
	then
		if((ManaPercentage>0.65 or npcBot:GetMana()>ComboMana))
		then
			if (WeakestEnemy~=nil)
			then
				if ( CanCast[abilityNumber]( WeakestEnemy ) )
				then
					if(GetUnitToUnitDistance(npcBot,WeakestEnemy)<Radius-CastPoint*WeakestEnemy:GetCurrentMovementSpeed())
					then
						return BOT_ACTION_DESIRE_LOW,WeakestEnemy
					end
				end
			end
		end
	end
	
	-- If we're farming and can hit 2+ creeps
	if ( npcBot:GetActiveMode() == BOT_MODE_FARM or npcBot:GetActiveMode() == BOT_MODE_LANING)
	then
		if ( #creeps >= 2 ) 
		then
			if(CreepHealth<=WeakestCreep:GetActualIncomingDamage(Damage,DAMAGE_TYPE_PHYSICAL) and (ManaPercentage>0.4 or npcBot:GetMana()>ComboMana))
			then
				return BOT_ACTION_DESIRE_LOW,WeakestCreep
			end
		end
	end

	--Last hit
	if ( npcBot:GetActiveMode() == BOT_MODE_LANING ) 
	then
		if(WeakestCreep~=nil)
		then
			if((ManaPercentage>0.5 or npcBot:GetMana()>ComboMana) and GetUnitToUnitDistance(npcBot,WeakestCreep) < Radius)
			then
				if(CreepHealth<=WeakestCreep:GetActualIncomingDamage(Damage,DAMAGE_TYPE_PHYSICAL)-20)
				then					
					return BOT_ACTION_DESIRE_LOW
				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 ) 
		then
			if ( CanCast[abilityNumber]( npcEnemy ) and GetUnitToUnitDistance(npcBot,npcEnemy)<=Radius)
			then
				return BOT_ACTION_DESIRE_MODERATE,npcEnemy
			end
		end
	end

	return BOT_ACTION_DESIRE_NONE, 0;
	
end








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
	ability_item_usage_generic.UseAbility(AbilitiesReal,cast)
end

function CourierUsageThink() 
	ability_item_usage_generic.CourierUsageThink()
end