-- Returns the ancestor that contains a Humanoid, if it exists

local function FindCharacterAncestor(subject)
	if subject and subject ~= Workspace then
		local humanoid = subject:FindFirstChild('Humanoid')
		if humanoid then
			return subject, humanoid
		else
			return FindCharacterAncestor(subject.Parent)
		end
	end
	return nil
end

local function OnExplosionHit(hitPart)
	if hitPart then
		local _, humanoid = FindCharacterAncestor(hitPart.Parent)
		if humanoid and humanoid.Health > 0 and not hitPart:IsDescendantOf(CreatorTag.Value.Character) then
			CreatorTag:Clone().Parent=humanoid
			humanoid:TakeDamage(100)
		end
	end
end

local function OnTouched(otherPart)
	if Rocket and otherPart then
		-- Fly through anything in the ignore list
		if IGNORE_LIST[string.lower(otherPart.Name)] then
			return
		end

		-- Fly through the creator
		local myPlayer = CreatorTag.Value
		if myPlayer and myPlayer.Character and myPlayer.Character:IsAncestorOf(otherPart) then
			return
		end
		
		OnExplosionHit(hitPart)
		
		-- Boom
		local explosion = Instance.new('Explosion')
		explosion.BlastPressure = BLAST_PRESSURE
		explosion.BlastRadius = BLAST_RADIUS
		-- todo configure based on proximity
		explosion.DestroyJointRadiusPercent = 0
		
		explosion.Position = Rocket.Position
		explosion.Hit:connect(OnExplosionHit)
		explosion.Parent = Workspace

		-- Move this script and the creator tag (so our custom logic can execute), then destroy the rocket
		script.Parent = explosion
		CreatorTag.Parent = script
		Rocket:Destroy()
	end
end
