function onStartup(self) 
    self:SetProximityRadius { radius = 20 }
    self:SetVar("playersNearChest", 0)
end

function onOnHit(self, msg)
    local player = msg.attacker
   if not self:GetVar("bIsHit") then
        self:SetVar("bIsHit" , true)
        self:CastSkill{skillID = 147, optionalOriginatorID =  player} --self:GetSkills().skills[1] }  -- has skill 147 (aoe that deals 2 damage)
        self:PlayEmbeddedEffectOnAllClientsNearObject{ radius = 16.0, fromObjectID = self, effectName = "camshake" }
        self:Die()
  
        --update the mission related to the crates
        player:UpdateMissionTask {taskType = "complete", value = 333, value2 = 1, target = self} 

        --update the achievements related to the crates
        player:UpdateMissionTask{taskType = "complete", value = 430, value2 = 1, target = self}
        player:UpdateMissionTask{taskType = "complete", value = 431, value2 = 1, target = self}
        player:UpdateMissionTask{taskType = "complete", value = 432, value2 = 1, target = self}
        player:UpdateMissionTask{taskType = "complete", value = 454, value2 = 1, target = self}
        player:UpdateMissionTask{taskType = "complete", value = 455, value2 = 1, target = self}
        player:UpdateMissionTask{taskType = "complete", value = 456, value2 = 1, target = self}
        player:UpdateMissionTask{taskType = "complete", value = 457, value2 = 1, target = self}
        player:UpdateMissionTask{taskType = "complete", value = 458, value2 = 1, target = self}
    end
end

-- Plays a shake when a player is close
function onProximityUpdate(self, msg)
   if (msg.status == "ENTER") then
        local faction = msg.objId:GetFaction()
		if faction and faction.faction == 1 then
			self:PlayAnimation{ animationID = "bounce" }
			self:PlayFXEffect{ name = "bouncin", effectType = "anim" }
			self:SetVar("playersNearChest", (self:GetVar("playersNearChest") + 1 ))
		end
   end
   if (msg.status == "LEAVE") then
        local faction = msg.objId:GetFaction()
		if faction and faction.faction == 1 then
		    self:SetVar("playersNearChest", (self:GetVar("playersNearChest") - 1 ))
			if self:GetVar("playersNearChest") < 1 then
			    self:PlayAnimation{ animationID = "idle" }
			   self:StopFXEffect{ name = "bouncin" }
			    self:SetVar("playersNearChest", 0)
			end
		end
   end
end