ability_item_usage_furion.lua

----------------------------------------------------------------------------
--	Ranked Matchmaking AI v1.5f
--	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[3],
	Abilities[2],
	Abilities[3],
	Abilities[1],
	Abilities[3],
	Abilities[4],
	Abilities[3],
	Abilities[2],
	Abilities[2],
	"talent",
	Abilities[2],
	Abilities[4],
	Abilities[1],
	Abilities[1],
	"talent",
	Abilities[1],
	"nil",
	Abilities[4],
	"nil",
	"talent",
	"nil",
	"nil",
	"nil",
	"nil",
	"talent",
}

local TalentTree={
	function()
		return Talents[1]
	end,
	function()
		return Talents[4]
	end,
	function()
		return Talents[5]
	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 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 nCastRange=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)
	
	
	-- 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,"Target";
		end
	end
	
	--try to kill enemy hero
	if(npcBot:GetActiveMode() ~= BOT_MODE_RETREAT ) 
	then
		if (WeakestEnemy~=nil)
		then
			if ( CanCast[abilityNumber]( WeakestEnemy ) )
			then
				return BOT_ACTION_DESIRE_HIGH,WeakestEnemy,"Target"; 
			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
		local tableNearbyEnemyHeroes = npcBot:GetNearbyHeroes( 150, true, BOT_MODE_NONE );
		if ( npcBot:WasRecentlyDamagedByAnyHero( 5.0 ) and #tableNearbyEnemyHeroes==0) 
		then
			return BOT_ACTION_DESIRE_VERYHIGH, npcBot,"Target";
		end
	end
	
	-- If we're low hp
	if ( npcBot:GetActiveMode() == BOT_MODE_RETREAT) 
	then
		local tableNearbyEnemyHeroes = npcBot:GetNearbyHeroes( 150, true, BOT_MODE_NONE );
		if (#tableNearbyEnemyHeroes==0) 
		then
			return BOT_ACTION_DESIRE_VERYHIGH, npcBot,"Target";
		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[abilityNumber]( npcTarget ) and not enemyDisabled(npcTarget) and GetUnitToUnitDistance(npcBot,npcTarget)< CastRange + 75*#allys)
			then
				return BOT_ACTION_DESIRE_MODERATE, npcTarget,"Target";
			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 CastPoint = ability:GetCastPoint();
	
	local allys = npcBot:GetNearbyHeroes( 1200, false, BOT_MODE_NONE );
	local enemys = npcBot:GetNearbyHeroes(1200,true,BOT_MODE_NONE)
	local WeakestEnemy,HeroHealth=utility.GetWeakestUnit(enemys)
	local creeps = npcBot:GetNearbyCreeps(1200,true)
	local WeakestCreep,CreepHealth=utility.GetWeakestUnit(creeps)
	
	-- 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
				local location = utility.Fountain(GetTeam());
				local trees = npcBot:GetNearbyTrees(200);
				if #trees >= 6
				then
					return BOT_ACTION_DESIRE_LOW, location;
				end
			end
		end
	end

	-- If we're low hp
	if ( npcBot:GetActiveMode() == BOT_MODE_RETREAT) 
	then
		local location = utility.Fountain(GetTeam());
		local trees = npcBot:GetNearbyTrees(200);
		if #trees >= 6
		then
			return BOT_ACTION_DESIRE_LOW, location;
		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
			local enemys2 = npcTarget:GetNearbyHeroes(700,false,BOT_MODE_NONE)
			local allys2 = npcTarget:GetNearbyHeroes(700,true,BOT_MODE_NONE)
			if (enemys2 ~= nil and allys2 ~= nil and #enemys2 < #allys2 and GetUnitToUnitDistance(npcBot,npcTarget) > 1600 and HealthPercentage > 0.75 and ManaPercentage > 0.45)
			then
				return BOT_ACTION_DESIRE_MODERATE, npcTarget:GetExtrapolatedLocation(3) + RandomVector(250);
			end
		end
	end

	return BOT_ACTION_DESIRE_NONE, 0;
	
end


Consider[3]=function()
	local abilityNumber=3
	--------------------------------------
	-- 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 Radius = ability:GetSpecialValueInt( "area_of_effect" );
	
	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 ( 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 and npcBot:GetMana() / npcBot:GetMaxMana() > 0.65 ) 
		then
			local nearbyTrees = npcBot:GetNearbyTrees(CastRange + Radius)
			if nearbyTrees[4] ~= nil then
				return BOT_ACTION_DESIRE_MODERATE, GetTreeLocation(nearbyTrees[4])
			end
		end
	end

	if ( npcBot:GetActiveMode() == BOT_MODE_FARM or npcBot:GetActiveMode() == BOT_MODE_LANING)
	then
		if ( #creeps >= 4 ) 
		then
			local locationAoE = npcBot:FindAoELocation( true, false, npcBot:GetLocation(), CastRange, Radius, 0, 0 );
			if ( locationAoE.count >= 4 and npcBot:GetMana() / npcBot:GetMaxMana() > 0.65 ) 
			then
				local nearbyTrees = npcBot:GetNearbyTrees(CastRange + Radius)
				if nearbyTrees[4] ~= nil then
					return BOT_ACTION_DESIRE_MODERATE, GetTreeLocation(nearbyTrees[4])
				end
			end
		end
	end

	return BOT_ACTION_DESIRE_NONE, 0;
	
end

Consider[4]=function()
	local abilityNumber=4

	local ability=AbilitiesReal[abilityNumber];
	
	if not ability:IsFullyCastable() then
		return BOT_ACTION_DESIRE_NONE, 0;
	end
	
	local Damage = ability:GetAbilityDamage();
	
	local HeroHealth=10000
	local CreepHealth=10000
	local CastRange=1600;
	local allys = npcBot:GetNearbyHeroes( 1200, false, BOT_MODE_NONE );
	local enemys = npcBot:GetNearbyHeroes(1200,true,BOT_MODE_NONE)
	local WeakestEnemy,HeroHealth=utility.GetWeakestUnit(enemys)
	local creeps = npcBot:GetNearbyLaneCreeps(1200,true)
	local Allcreeps = npcBot:GetNearbyCreeps(1200,true)
	local WeakestCreep,CreepHealth=utility.GetWeakestUnit(creeps)
	
	--try to kill enemy hero
	if(npcBot:GetActiveMode() ~= BOT_MODE_RETREAT ) 
	then
		if (WeakestEnemy~=nil)
		then
				if(HeroHealth<=WeakestEnemy:GetActualIncomingDamage(Damage,DAMAGE_TYPE_MAGICAL)*3 or (HeroHealth<=WeakestEnemy:GetActualIncomingDamage(GetComboDamage(),DAMAGE_TYPE_MAGICAL) and npcBot:GetMana()>ComboMana))
				then
					return BOT_ACTION_DESIRE_HIGH,WeakestEnemy,"Target"; 
			end
		end
	end
	--------------------------------------
	-- Mode based usage
	--------------------------------------
	
	--teamfightUsing
	if(npcBot:GetActiveMode() == BOT_MODE_ATTACK ) 
	then
		if(ManaPercentage>0.4 or npcBot:GetMana()>ComboMana)
		then
			if (#enemys+#creeps>2)
			then
				if(WeakestCreep~=nil)
				then
					return BOT_ACTION_DESIRE_HIGH,WeakestCreep; 
				end
				if(WeakestEnemy~=nil)
				then
					return BOT_ACTION_DESIRE_HIGH,WeakestEnemy,"Target"; 
				end
			end
		end
	end
	
	--Last hit
	if ( npcBot:GetActiveMode() == BOT_MODE_LANING ) 
	then
		if(WeakestCreep~=nil)
		then
			if((ManaPercentage>0.45 or npcBot:GetMana()>ComboMana) and GetUnitToUnitDistance(npcBot,WeakestCreep)>=AttackRange-ManaPercentage)
			then
				if(CreepHealth<=WeakestCreep:GetActualIncomingDamage(Damage,DAMAGE_TYPE_MAGICAL))
				then					
				
					return BOT_ACTION_DESIRE_MODERATE+0.05,WeakestCreep,"Target"; 
				end
			end		
		end
	end
	
	-- If we're farming and can hit 2+ creeps and kill 1+ 
	if ( npcBot:GetActiveMode() == BOT_MODE_FARM )
	then
		if ( #Allcreeps >= 2 ) 
		then
			if(CreepHealth<=Allcreeps[1]:GetActualIncomingDamage(Damage,DAMAGE_TYPE_MAGICAL) and ManaPercentage>0.45 and npcBot:GetMana()>ComboMana)
			then
				return BOT_ACTION_DESIRE_LOW, Allcreeps[1],"Target";
			end
		end
	end

	-- If we're pushing or defending a lane and can hit 3+ 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
		if ( #enemys+#creeps >= 3 and ManaPercentage>0.4 or npcBot:GetMana()>ComboMana) 
		then
			if (WeakestEnemy~=nil)
			then
				if ( CanCast[abilityNumber]( WeakestEnemy )and GetUnitToUnitDistance(npcBot,WeakestEnemy)< CastRange + 75*#allys )
				then
					return BOT_ACTION_DESIRE_LOW, WeakestEnemy,"Target";
				end
			end
			if (WeakestCreep~=nil)
			then
				if ( GetUnitToUnitDistance(npcBot,WeakestCreep)< CastRange + 75*#allys )
				then
					return BOT_ACTION_DESIRE_LOW, WeakestCreep,"Target";
				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(ManaPercentage>0.4 or npcBot:GetMana()>ComboMana)
		then
			if ( npcTarget ~= nil ) 
			then
				return BOT_ACTION_DESIRE_MODERATE, npcTarget,"Target";
			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


--[[if mutil.IsDefending(npcBot) or mutil.IsPushing(npcBot)
	then
		local locationAoE = npcBot:FindAoELocation( true, false, npcBot:GetLocation(), nCastRange, nRadius, 0, 0 );
		if ( locationAoE.count >= 4 and npcBot:GetMana() / npcBot:GetMaxMana() > 0.65 ) 
		then
			local nearbyTrees = npcBot:GetNearbyTrees(nCastRange + nRadius)
			if nearbyTrees[1] ~= nil then
				return BOT_ACTION_DESIRE_MODERATE, GetTreeLocation(nearbyTrees[1])
			end
		end
	end

	
	-- If we're going after someone
	if mutil.IsGoingOnSomeone(npcBot)
	then
		local npcTarget = npcBot:GetTarget();
		if mutil.IsValidTarget(npcTarget) and mutil.IsInRange(npcTarget, npcBot, 1200)
		then
			local nearbyTrees = npcBot:GetNearbyTrees(nCastRange + nRadius)
			if nearbyTrees[1] ~= nil then
				return BOT_ACTION_DESIRE_MODERATE, GetTreeLocation(nearbyTrees[1])
			end
		end
	end]]