"DOTAAbilities"
{
  //=================================================================================================================
  // Generic boss resistance for % based damage
  //=================================================================================================================
  "boss_shielder_shield"
  {

    "ID" "9900"
    "BaseClass" "ability_lua"
    "ScriptFile" "abilities/shielder/boss_shielder_shield.lua"
    "AbilityTextureName" "tidehunter_kraken_shell"
    "AbilityBehavior" "DOTA_ABILITY_BEHAVIOR_PASSIVE"
    "AbilityType" "DOTA_ABILITY_TYPE_ULTIMATE"


    "MaxLevel"            "3"
    "RequiredLevel"         "1"
    "LevelsBetweenUpgrades"     "1"


    "AbilitySpecial"
    {
      "01"
      {
        "var_type"            "FIELD_INTEGER"
        "percent_damage_reduce"   "100"
      }
      "02"
      {
        "var_type"            "FIELD_INTEGER"
        "sheild_width"           "0.707 -0.173 -0.985" // In terms of cosine
      }

    }
  }
}

  local parent = self:GetParent()
  local hero = keys.attacker
  local angleCos = 0

  --if hero and hero:IsRealHero and hero:IsRealHero() then
  local attackOrigin = hero:GetAbsOrigin()
  local parentOrigin = parent:GetAbsOrigin()
  local attackDirection = (attackOrigin - parentOrigin):Normalized()
  local parentFacing = (parent:GetForwardVector()):Normalized()
  angleCos = parentFacing:Dot(attackDirection)
  --end
  DebugPrint(angleCos .. ' : ' .. self:GetAbility():GetSpecialValueFor("sheild_width"))
  if (angleCos > (self:GetAbility():GetSpecialValueFor("sheild_width"))) then
    return 0 - self:GetAbility():GetSpecialValueFor("percent_damage_reduce")
  end
  return 0
end