native IssuePointOrder takes unit whichUnit, string order, real x, real y returns boolean
native IssueTargetOrder takes unit whichUnit, string order, widget targetWidget returns boolean
native IssueImmediateOrder takes unit whichUnit, string order returns boolean
native CreateUnit takes player id, integer unitid, real x, real y, real face returns unit
native SetUnitPosition takes unit whichUnit, real newX, real newY returns nothing
native AddSpecialEffect takes string modelName, real x, real y returns effect
native AddSpecialEffectTarget takes string modelName, widget targetWidget, string attachPointName returns effect

unit Boss
unit array Hero 

void BossAttack(){
	unit array target_hero
	float coef = 0.
	float array hero_coef
	int i = 0, l = 0, c = 0
	while(i == 11){
		if not IsUnitState(Hero[i], UNIT_STATE_DEAD){
			target_hero[l] = Hero[i]
			hero_coef[l] = 0.
			l++
		}
		i++
	}
	i = 0
	while(i==l){
		if distcord(GetUnitX(Boss), GetUnitY(Boss), GetUnitX(target_hero[i]), GetUnitY(target_hero[i])) <= 300.{
			hero_coef[i]+=10.
		}
		if GetWidgetLife(target_hero[i]) / GetUnitState(target_hero[i], UNIT_STATE_MAX_LIFE) < 0.10{
			hero_coef[i]+=20.
		}
		//moar conditions
		i++
	}
	i = 0
	while(i==l){
		if hero_coef[i] > coef{
			coef = hero_coef[i]
			c = i
		}
		i++
	}
	IssueTargetOrder(Boss, "attack", target_hero[c])
}