Config = scriptConfig("Tristana", "Tristana:")
Config.addParam("Q", "Use Q", SCRIPT_PARAM_ONOFF, true)
Config.addParam("W", "Use W", SCRIPT_PARAM_ONOFF, true)
Config.addParam("E", "Use E", SCRIPT_PARAM_ONOFF, true)
Config.addParam("R", "Use R", SCRIPT_PARAM_ONOFF, true)
KSConfig = scriptConfig("KS", "Killsteal:")
KSConfig.addParam("KSR", "Killsteal with R", SCRIPT_PARAM_ONOFF, true)
DrawingsConfig = scriptConfig("Drawings", "Drawings:")
DrawingsConfig.addParam("DrawQ","Draw Q", SCRIPT_PARAM_ONOFF, true)
DrawingsConfig.addParam("DrawW","Draw W", SCRIPT_PARAM_ONOFF, true)
DrawingsConfig.addParam("DrawE","Draw E", SCRIPT_PARAM_ONOFF, true)
DrawingsConfig.addParam("DrawR","Draw R", SCRIPT_PARAM_ONOFF, true)

myIAC = IAC()

OnLoop(function(myHero)
Drawings()
Killsteal()

        if IWalkConfig.Combo then
              local target = GetTarget(1000, DAMAGE_PHYSICAL)
                if ValidTarget(target, 1000) then

                                            if CanUseSpell(myHero, _Q) == READY and ValidTarget(target, GetCastRange(myHero,_Q)) and IsInDistance(target, 550) and Config.Q then
                        CastSpell(_Q)
                                                end
                        local WPred = GetPredictionForPlayer(GetMyHeroPos(),target,GetMoveSpeed(target),900,700,GetCastRange(myHero,_W),290,false,false)
                        if CanUseSpell(myHero, _W) == READY and WPred.HitChance == 1 and ValidTarget(target, GetCastRange(myHero,_W)) and Config.W then
                        CastSkillShot(_W,WPred.PredPos.x,WPred.PredPos.y,WPred.PredPos.z)
                        end
                                                if CanUseSpell(myHero, _E) == READY and ValidTarget(target, GetCastRange(myHero,_E)) and IsInDistance(target, 700) and Config.E then
                        CastTargeSpell(target, _E)
                                                end
                                                if CanUseSpell(myHero, _R) == READY and ValidTarget(target, GetCastRange(myHero,_R)) and IsInDistance(target, 700) and Config.R then
                        CastTargeSpell(target, _R)
                                                end
                end
        end
end)

function Killsteal()
        for i,enemy in pairs(GetEnemyHeroes()) do
                 if CanUseSpell(myHero,_R) and ValidTarget(enemy, GetCastRange(myHero,_R) and KSConfig.KSR and GetCurrentHP(enemy) < CalcDamage(myHero, enemy, 0, (100*GetCastLevel(myHero,_R) + 100 + 1*GetBonusAP(myHero)) then
                 CastTargetSpell(target, _R)
            end
      end
end

function Drawings()
myHeroPos = GetOrigin(myHero)
if CanUseSpell(myHero, _Q) == READY and DrawingsConfig.DrawQ then DrawCircle(myHeroPos.x,myHeroPos.y,myHeroPos.z,GetCastRange(myHero,_Q),3,100,0xff00ff00) end
if CanUseSpell(myHero, _W) == READY and DrawingsConfig.DrawW then DrawCircle(myHeroPos.x,myHeroPos.y,myHeroPos.z,GetCastRange(myHero,_W),3,100,0xff00ff00) end
if CanUseSpell(myHero, _E) == READY and DrawingsConfig.DrawE then DrawCircle(myHeroPos.x,myHeroPos.y,myHeroPos.z,GetCastRange(myHero,_E),3,100,0xff00ff00) end
if CanUseSpell(myHero, _R) == READY and DrawingsConfig.DrawR then DrawCircle(myHeroPos.x,myHeroPos.y,myHeroPos.z,GetCastRange(myHero,_R),3,100,0xff00ff00) end
end