ability_item_usage_doom_bringer.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[3],
	Abilities[1],
	Abilities[3],
	Abilities[2],
	Abilities[3],
	Abilities[6],
	Abilities[3],
	Abilities[2],
	Abilities[2],
	"talent",
	Abilities[2],
	Abilities[6],
	Abilities[1],
	Abilities[1],
	"talent",
	Abilities[1],
	"nil",
	Abilities[6],
	"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[7]
	end
}

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

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

function CanCast1( npcEnemy )
	if(npcEnemy==nil)
	then
		return false
	end
	if(npcBot:HasScepter())
	then
		return npcEnemy:CanBeSeen() and not npcEnemy:IsInvulnerable();
	else
		return npcEnemy:CanBeSeen() and not npcEnemy:IsInvulnerable() and not npcEnemy:IsAncientCreep()
	end
end

--------------------------------------
-- Ability Usage Thinking
--------------------------------------
local cast={} cast.Desire={} cast.Target={} cast.Type={}
local Consider ={}
local CanCast={CanCast1,utility.NCanCast,utility.NCanCast,utility.UCanCast,utility.UCanCast,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 = ability:GetAbilityDamage();
	
	local CreepHealth=10000
	local allys = npcBot:GetNearbyHeroes( 1200, false, BOT_MODE_NONE );

	local creeps = npcBot:GetNearbyCreeps(CastRange+300,true)
	local WeakestCreep,CreepHealth=utility.GetWeakestUnit(creeps)
	local StrongstCreep,CreepHealth=utility.GetStrongestUnit(creeps)
	
	if ( not npcBot:HasModifier("modifier_doom_bringer_devour") ) 
	then
		if(CanCast[abilityNumber]( StrongstCreep ))
		then
			return BOT_ACTION_DESIRE_HIGH, StrongstCreep;
		end
		
		for _,npcEnemy in pairs( creeps )
		do
			if ( CanCast[abilityNumber]( npcEnemy ) ) 
			then
				return BOT_ACTION_DESIRE_HIGH, npcEnemy;
			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 Damage = ability:GetDuration()*ability:GetSpecialValueInt("damage_per_second")
	local Radius = ability:GetAOERadius()
	
	local HeroHealth=10000
	local CreepHealth=10000
	local allys = npcBot:GetNearbyHeroes( 1200, false, BOT_MODE_NONE );
	local enemys = npcBot:GetNearbyHeroes(Radius+300,true,BOT_MODE_NONE)
	local WeakestEnemy,HeroHealth=utility.GetWeakestUnit(enemys)
	local creeps = npcBot:GetNearbyCreeps(Radius+300,true)
	local WeakestCreep,CreepHealth=utility.GetWeakestUnit(creeps)
	
	--try to kill enemy hero

	--------------------------------------
	-- Mode based usage
	--------------------------------------
	--protect myself
	if(npcBot:WasRecentlyDamagedByAnyHero(2) or (npcBot:GetActiveMode() == BOT_MODE_RETREAT and HealthPercentage<=0.4+#enemys*0.05))
	then
		return BOT_ACTION_DESIRE_HIGH
	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(ManaPercentage>0.4 or npcBot:GetMana()>ComboMana)
		then
			if ( npcEnemy ~= nil ) 
			then
				if ( GetUnitToUnitDistance(npcBot,npcEnemy) > 450 or npcEnemy:GetHealth()/npcEnemy:GetMaxHealth() < 0.4)
				then
					return BOT_ACTION_DESIRE_HIGH;
				end
			end
		end
	end
	
	-- If we're farming
	if ( npcBot:GetActiveMode() == BOT_MODE_FARM )
	then
		if ( #creeps >= 2 and (ManaPercentage>0.4 or npcBot:GetMana()>ComboMana)) 
		then
			return BOT_ACTION_DESIRE_LOW;
		end
	end

	return BOT_ACTION_DESIRE_NONE
	
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 HeroHealth=10000
	local CreepHealth=10000
	local allys = npcBot:GetNearbyHeroes( 1200, false, BOT_MODE_NONE );
	local enemys = npcBot:GetNearbyHeroes(CastRange+150,true,BOT_MODE_NONE)
	local WeakestEnemy,HeroHealth=utility.GetWeakestUnit(enemys)
	local creeps = npcBot:GetNearbyCreeps(CastRange+150,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
	
	--------------------------------------
	-- 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 npcEnemy = npcBot:GetTarget();

		if ( npcEnemy ~= nil ) 
		then
			if ( CanCast[abilityNumber]( npcEnemy ) and GetUnitToUnitDistance(npcBot,npcEnemy)< CastRange + 75*#allys)
			then
				return BOT_ACTION_DESIRE_MODERATE, npcEnemy
			end
		end
	end
	
	-- If my mana is enough,use it at enemy
	if ( npcBot:GetActiveMode() == BOT_MODE_LANING ) 
	then
		if((HealthPercentage>0.7 and ManaPercentage>0.4 or npcBot:GetMana()>ComboMana))
		then
			if (WeakestEnemy~=nil)
			then
				if ( CanCast[abilityNumber]( WeakestEnemy ) )
				then
					return BOT_ACTION_DESIRE_LOW,WeakestEnemy;
				end
			end
		end
	end
	
	-- If we're farming
	if ( npcBot:GetActiveMode() == BOT_MODE_FARM )
	then
		if ( #creeps >= 1 and ManaPercentage>0.4 or npcBot:GetMana()>ComboMana) 
		then
			return BOT_ACTION_DESIRE_LOW, creeps[1];
		end
	end
	return BOT_ACTION_DESIRE_NONE, 0;
	
end

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 Damage = ability:GetDuration()*ability:GetSpecialValueInt("damage_per_second")
	local CastRange = ability:GetCastRange();
	
	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
	--------------------------------------
	-- If we're in a teamfight, use it on the scariest enemy
	local tableNearbyAttackingAlliedHeroes = npcBot:GetNearbyHeroes( 1000, false, BOT_MODE_ATTACK );
	if ( #tableNearbyAttackingAlliedHeroes >= 2 or #allys >=3) 
	then

		local npcMostDangerousEnemy = nil;
		local nMostDangerousDamage = 0;

		for _,npcEnemy in pairs( enemys )
		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
	
	-- Check for a channeling enemy
	for _,npcEnemy in pairs( enemys )
	do
		if ( npcEnemy:IsChanneling() and CanCast[abilityNumber]( npcEnemy ) and not AbilitiesReal[3]:IsFullyCastable()) 
		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
					return BOT_ACTION_DESIRE_HIGH,WeakestEnemy; 
				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, npcEnemy;
				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 not enemyDisabled(npcEnemy) and GetUnitToUnitDistance(npcBot,npcEnemy)< CastRange + 75*#allys)
			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