ability_item_usage_lina.lua

----------------------------------------------------------------------------
--	Ranked Matchmaking AI v1.3 New Structure
--	Author: adamqqq		Email:adamqqq@163.com
----------------------------------------------------------------------------
--------------------------------------
-- 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[1],
	Abilities[2],
	Abilities[1],
	Abilities[3],
	Abilities[1],
	Abilities[4],
	Abilities[1],
	Abilities[2],
	Abilities[2],
	"talent",
	Abilities[2],
	Abilities[4],
	Abilities[3],
	Abilities[3],
	"talent",
	Abilities[3],
	"nil",
	Abilities[4],
	"nil",
	"talent",
	"nil",
	"nil",
	"nil",
	"nil",
	"talent",
}
local TalentTree={
	function()
		return Talents[2]
	end,
	function()
		return Talents[4]
	end,
	function()
		return Talents[6]
	end,
	function()
		return Talents[8]
	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 enemyDisabled=utility.enemyDisabled

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

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

function CanCast4( npcTarget )
	return npcTarget:CanBeSeen() and npcTarget:IsHero() and ( GetBot():HasScepter() or not npcTarget:IsMagicImmune() ) and not npcTarget:IsInvulnerable();
end
local CanCast={utility.NCanCast,utility.NCanCast,utility.NCanCast,CanCast4}

----------------------------------------------------------------------------------------------------

Consider[1]=function()

	local ability=AbilitiesReal[1];
	
	if not ability:IsFullyCastable() then
		return BOT_ACTION_DESIRE_NONE, 0;
	end
	
	local CastRange = ability:GetCastRange();
	local Damage = ability:GetAbilityDamage();
	local Radius = ability:GetSpecialValueInt( "dragon_slave_width_end" );
	
	local HeroHealth=10000
	local CreepHealth=10000
	local allys = npcBot:GetNearbyHeroes( 1200, false, BOT_MODE_NONE );
	local enemys = npcBot:GetNearbyHeroes(CastRange+0,true,BOT_MODE_NONE)
	local WeakestEnemy,HeroHealth=utility.GetWeakestUnit(enemys)
	local creeps = npcBot:GetNearbyCreeps(CastRange+0,true)
	local WeakestCreep,CreepHealth=utility.GetWeakestUnit(creeps)

	--try to kill enemy hero
	if(npcBot:GetActiveMode() ~= BOT_MODE_RETREAT ) 
	then
		if (WeakestEnemy~=nil)
		then
			if ( CanCast[1]( 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:GetLocation(); 
				end
			end
		end
	end
	--------------------------------------
	-- Mode based usage
	--------------------------------------
	--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)>=300)
			then
				local locationAoE = npcBot:FindAoELocation( true, false, npcBot:GetLocation(), CastRange, Radius, 0, Damage );
				if ( locationAoE.count >= 1 ) then
					return BOT_ACTION_DESIRE_LOW-0.02, locationAoE.targetloc;
				end
			end		
		end
	--end
	
	--if ( npcBot:GetActiveMode() == BOT_MODE_LANING ) 
	--then
		if((ManaPercentage>0.5 or npcBot:GetMana()>ComboMana) and ability:GetLevel()>=2 )
		then
			local locationAoE = npcBot:FindAoELocation( true, true, npcBot:GetLocation(), CastRange, Radius, 0, 0 );
			if ( locationAoE.count >= 2 ) then
				return BOT_ACTION_DESIRE_LOW-0.01, locationAoE.targetloc;
			end
		end
	--end
	
	-- 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 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+0.01, 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 npcTarget = npcBot:GetTarget();

		if ( npcTarget ~= nil ) 
		then
			if ( CanCast[1]( npcTarget ) )
			then
				return BOT_ACTION_DESIRE_MODERATE, npcTarget:GetLocation();
			end
		end
	end

	return BOT_ACTION_DESIRE_NONE, 0;

end

----------------------------------------------------------------------------------------------------

Consider[2]=function()

	local ability=AbilitiesReal[2];
	
	if not ability:IsFullyCastable() then
		return BOT_ACTION_DESIRE_NONE, 0;
	end
	
	local CastRange = ability:GetCastRange();
	local Damage = ability:GetAbilityDamage();
	local Radius = ability:GetSpecialValueInt( "light_strike_array_aoe" );
	local CastPoint = ability:GetCastPoint()
	
	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)

	--------------------------------------
	-- Global high-priorty usage
	--------------------------------------

	-- Check for a channeling enemy
	for _,npcEnemy in pairs( enemys )
	do
		if ( npcEnemy:IsChanneling() ) 
		then
			return BOT_ACTION_DESIRE_HIGH, npcEnemy:GetLocation();
		end
	end

	--try to kill enemy hero
	if(npcBot:GetActiveMode() ~= BOT_MODE_RETREAT ) 
	then
		if (WeakestEnemy~=nil)
		then
			if ( CanCast[4]( 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(0.95); 
				end
			end
		end
	end
	--------------------------------------
	-- Mode based usage
	--------------------------------------
	if((ManaPercentage>0.4 or npcBot:GetMana()>ComboMana) and ability:GetLevel()>=1 )
	then
		local locationAoE = npcBot:FindAoELocation( true, true, npcBot:GetLocation(), CastRange, Radius, CastPoint, 0 );
		if ( locationAoE.count >= 2 ) then
			return BOT_ACTION_DESIRE_LOW, locationAoE.targetloc;
		end
	end
		
	-- 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, CastPoint, Damage );

		if ( locationAoE.count >= 3 ) then
			return BOT_ACTION_DESIRE_LOW, locationAoE.targetloc;
		end
	end
	
	if ( npcBot:GetActiveMode() == BOT_MODE_LANING ) 
	then
		if(WeakestEnemy~=nil and CanCast[4]( WeakestEnemy ))
		then
			if(ManaPercentage>0.66 or npcBot:GetMana()>ComboMana)
			then				
				return BOT_ACTION_DESIRE_LOW,WeakestEnemy:GetExtrapolatedLocation(CastPoint)
			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, CastPoint, 0 );

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

	-- 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
		local tableNearbyEnemyHeroes = npcBot:GetNearbyHeroes( CastRange + Radius + 200, true, BOT_MODE_NONE );
		for _,npcEnemy in pairs( tableNearbyEnemyHeroes )
		do
			if ( npcBot:WasRecentlyDamagedByHero( npcEnemy, 2.0 ) ) 
			then
				if ( CanCast[4]( npcEnemy ) ) 
				then
					return BOT_ACTION_DESIRE_MODERATE, npcEnemy:GetExtrapolatedLocation(0.95);
				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 npcTarget = npcBot:GetTarget();

		if ( npcTarget ~= nil ) 
		then
			if ( CanCast[4]( npcTarget ) )
			then
				return BOT_ACTION_DESIRE_HIGH, npcTarget:GetExtrapolatedLocation(0.95);
			end
		end
	end

	return BOT_ACTION_DESIRE_NONE, 0;
end

----------------------------------------------------------------------------------------------------

Consider[4]=function()

	local ability=AbilitiesReal[4];
	
	if not ability:IsFullyCastable() then
		return BOT_ACTION_DESIRE_NONE, 0;
	end
	
	local CastRange = ability:GetCastRange();
	local Damage = ability:GetSpecialValueInt( "damage" );
	local Radius = ability:GetSpecialValueInt( "light_strike_array_aoe" );
	local DamageType = npcBot:HasScepter() and DAMAGE_TYPE_PURE or DAMAGE_TYPE_MAGICAL;
	
	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)

	--try to kill enemy hero
	if(npcBot:GetActiveMode() ~= BOT_MODE_RETREAT ) 
	then
		if (WeakestEnemy~=nil)
		then
			if ( CanCast[4]( WeakestEnemy ))
			then
				if(HeroHealth<=WeakestEnemy:GetActualIncomingDamage(Damage,DamageType) or HeroHealth<=WeakestEnemy:GetActualIncomingDamage(GetComboDamage(),DamageType))
				then
					return BOT_ACTION_DESIRE_HIGH,WeakestEnemy; 
				end
			end
		end
	end
	
	-- If a mode has set a target, and we can kill them, do it
	local npcTarget = npcBot:GetTarget();
	if ( npcTarget ~= nil and CanCast[4]( npcTarget ) )
	then
		if ( npcTarget:GetActualIncomingDamage( Damage, DamageType ) > npcTarget:GetHealth() and GetUnitToUnitDistance( npcTarget, npcBot ) < ( CastRange + 200 ) )
		then
			return BOT_ACTION_DESIRE_HIGH, npcTarget;
		end
	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

		local npcMostDangerousEnemy = nil;
		local nMostDangerousDamage = 0;

		local tableNearbyEnemyHeroes = npcBot:GetNearbyHeroes( CastRange, true, BOT_MODE_NONE );
		for _,npcEnemy in pairs( tableNearbyEnemyHeroes )
		do
			if ( CanCast[4]( npcEnemy ) )
			then
				local Damage = npcEnemy:GetEstimatedDamageToTarget( false, npcBot, 3.0, DAMAGE_TYPE_ALL );
				if ( Damage > nMostDangerousDamage )
				then
					nMostDangerousDamage = Damage;
					npcMostDangerousEnemy = npcEnemy;
				end
			end
		end

		if ( npcMostDangerousEnemy ~= nil )
		then
			return BOT_ACTION_DESIRE_HIGH, npcMostDangerousEnemy;
		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