ability_item_usage_mirana.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[2],
	Abilities[3],
	Abilities[1],
	Abilities[1],
	Abilities[1],
	Abilities[4],
	Abilities[1],
	Abilities[3],
	Abilities[3],
	"talent",
	Abilities[3],
	Abilities[4],
	Abilities[2],
	Abilities[2],
	"talent",
	Abilities[2],
	"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[6]
	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 = 0
	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(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 (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
	--------------------------------------
	--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>0.6 or npcBot:GetMana()>ComboMana))
		then
			if ((WeakestEnemy~=nil and CanCast[abilityNumber]( WeakestEnemy ) and GetUnitToUnitDistance(npcBot,WeakestEnemy)<Radius-CastPoint*WeakestEnemy:GetCurrentMovementSpeed()) or
				(WeakestCreep~=nil and CreepHealth<=Damage)	)
			then
				return BOT_ACTION_DESIRE_LOW,WeakestEnemy
			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
	
	-- 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 IsEnemyCreepBetweenMeAndTarget(hSource, hTarget, vLoc, nRadius)
	local vStart = hSource:GetLocation();
	local vEnd = vLoc;
	local creeps = hSource:GetNearbyLaneCreeps(1600, true);
	for i,creep in pairs(creeps) do
		local tResult = PointToLineDistance(vStart, vEnd, creep:GetLocation());
		if tResult ~= nil and tResult.within and tResult.distance <= nRadius + 50 then
			return true;
		end
	end
	creeps = hTarget:GetNearbyLaneCreeps(1600, false);
	for i,creep in pairs(creeps) do
		local tResult = PointToLineDistance(vStart, vEnd, creep:GetLocation());
		if tResult ~= nil and tResult.within and tResult.distance <= nRadius + 50 then
			return true;
		end
	end
	return false;
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

	-- Get some of its values
	local nRadius = ability:GetSpecialValueInt( "arrow_width" );
	local speed = ability:GetSpecialValueInt( "arrow_speed" );
	local nDamage = ability:GetAbilityDamage();
	local nCastRange = ability:GetSpecialValueInt("arrow_range")
	local nCastPoint = ability:GetCastPoint();

	-- Check for a channeling enemy
	local tableNearbyEnemyHeroes = npcBot:GetNearbyHeroes( 1600, true, BOT_MODE_NONE );
	for _,npcEnemy in pairs( tableNearbyEnemyHeroes )
	do
		if ( npcEnemy:IsChanneling() and not IsEnemyCreepBetweenMeAndTarget(npcBot, npcEnemy, npcEnemy:GetLocation(), nRadius) ) 
		then
			return BOT_ACTION_DESIRE_HIGH, npcEnemy:GetLocation();
		end
	end
	
	if ( npcBot:GetActiveMode() == BOT_MODE_ROSHAN  ) 
	then
		local npcTarget = npcBot:GetAttackTarget();
		if(npcTarget~= nil)
		then
			if ( npcTarget:IsRoshan() and CanCast[abilityNumber](npcTarget) and GetUnitToUnitDistance(npcBot,npcTarget)<nCastRange)
			then
				return BOT_ACTION_DESIRE_LOW, npcTarget:GetLocation();
			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 and CanCast[abilityNumber](npcTarget) and GetUnitToUnitDistance(npcBot,npcTarget)<nCastRange
		then
			local distance = GetUnitToUnitDistance(npcTarget, npcBot)
			local moveCon = npcTarget:GetMovementDirectionStability();
			local pLoc = npcTarget:GetExtrapolatedLocation( nCastPoint + ( distance / speed ) );
			if moveCon < 0.95 then
				pLoc = npcTarget:GetLocation();
			end
			if not IsEnemyCreepBetweenMeAndTarget(npcBot, npcTarget, pLoc, nRadius)  then
				return BOT_ACTION_DESIRE_MODERATE, pLoc;
			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:GetSpecialValueInt( "leap_distance" );
	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)
	--------------------------------------
	-- 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 ancient = GetAncient(GetTeam());
		if ( npcBot:WasRecentlyDamagedByAnyHero( 2.0 ) and npcBot:IsFacingLocation(ancient:GetLocation(),10)) 
		then
			return BOT_ACTION_DESIRE_HIGH, npcEnemy;
		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
			local distance=GetUnitToUnitDistance(npcBot,npcEnemy)
			if ( CanCast[abilityNumber]( npcEnemy ) and distance>CastRange and distance<1.5*CastRange and npcBot:IsFacingLocation(npcEnemy:GetLocation(),10)) 
			then
				local tableNearbyEnemyHeroes = npcEnemy:GetNearbyHeroes( 1000, false, BOT_MODE_NONE );
				if ( tableNearbyEnemyHeroes ~= nil and #tableNearbyEnemyHeroes <= 2 )
				then
					return BOT_ACTION_DESIRE_MODERATE, npcEnemy
				end
			end
		end
	end

	return BOT_ACTION_DESIRE_NONE, 0;
	
end

Consider[4]=function()
	local abilityNumber=4
	--------------------------------------
	-- 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 = 1000;
	local CastPoint = ability:GetCastPoint()
	
	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)
	--------------------------------------
	-- 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 and #enemys>=1) 
	then
		if ( npcBot:WasRecentlyDamagedByAnyHero( 2.0 ) )
		then
			return BOT_ACTION_DESIRE_MODERATE;
		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)<=3000 and GetUnitToUnitDistance(npcBot,npcEnemy)>=1600)
			then
				return BOT_ACTION_DESIRE_MODERATE;
			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