How to detect which tool is actually being used

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#1

I have an inventory system I made, and ran into a problem where if the player has more than 1 of the same item in their inventory and they use 1 tool, it doesn’t know which one too take damage from, so they all lose damage, instead of just one

Can see I have 2 equipped

RobloxScreenShot20191229_171716954
RobloxScreenShot20191229_1717169541159×757 368 KB

But as I cut down the tree, all 5 axes lose durability.
robloxapp-20191229-1717402

So when a player equips the tool, it gets cloned from ServerStorage, and put on their character, and this functions runs when they hit the tree

local function Hit(hit)
	if not hit:IsDescendantOf(MaterialSources) then return end

	if hit.Parent.Name ~= 'Tree' then return end
	
	local Tree = hit.Parent

	local MaterialHP = Tree:FindFirstChild('HP')
	if not MaterialHP then return end

	MaterialHP.Value = MaterialHP.Value - 1
	Settings.Durability = Settings.Durability - 1
	
	local Player = Players:GetPlayerFromCharacter(Tool.Parent)
	if Player then
		UpdateDurability(Player, Tool.Name, Settings.Durability)
		DurabilityUpdated:FireClient(Player, Tool.Name, 'Tool', Settings.Durability)
	end
end

and this is the UpdateDurability function

return function(player, item, durability)
	local User = PlayerData[player.UserId]
	if not User then return end
	
	for _, v in pairs(User.Inventory.Main) do
		if v.Name == item then
			v.Durability = durability
			print(v.Durability)
		end
	end
end

So here, it does not know which ‘slot’ is selected. Can anyone recommend a fix to this?
If there’s any other piece of code missing that could help someone solve this then please lemme know :grimacing:

Any ideas are welcome

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#2

All items all called by the same name and you aren’t checking for the item that the player has equipped. Make a value in the player called something like “EquippedSlot” and correlate the slot to the tool.

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#3

I don’t see how that would work tho. How my inventory is stored is like so

Inventory = {
		Main = {
			[1] = {Type = 'Tool', Name = 'Wooden Axe', Durability = 25},
			[2] = {Type = 'Tool', Name = 'Wooden Axe', Durability = 25},
			[3] = {Type = 'Tool', Name = 'Wooden Axe', Durability = 25},
			[4] = {Type = 'Tool', Name = 'Wooden Axe', Durability = 25},
			[5] = {Type = 'Tool', Name = 'Wooden Axe', Durability = 25}
		},
}

So going

EquippedSlot = {Type = 'Tool', Name = 'Wooden Axe', Durability = 25}

It would still not know which one? Unless I’m missing something here

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#4 
return function(player, item, durability)
	local User = PlayerData[player.UserId]
	if not User then return end
	
	local v = User.Inventory.EquippedSlot
		if v.Name == item then
			v.Durability = durability
			print(v.Durability)
		end
	end
end
#5

If User.Inventory.EquippedSlot is {Type = ‘Tool’, Name = ‘Wooden Axe’, Durability = 25} then all 5 inventory slots will still be there

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#6

Doing some testing, setting EquippedSlot to be the number, but idk how to get said number from table

print(User.EquippedSlot) -- prints 2
	local CurrentItem = User.Inventory.Main[User.EquippedSlot]
	print(CurrentItem) -- prints table
	if not CurrentItem then return end
	
	if CurrentItem.Name ~= item then return end
	
	CurrentItem.Durability = durability

So how can I get the 2nd item in the Inventory??

#7

Try to equip different axes and you would have your answer.

#8

Each number of the table is unique and if you reduce the durability of only the equipped tool, the other tools should not get damage.

#9

You are storing slots with an index so all you have to do is something like

EquippedSlot = 1
OR
EquippedSlot = Inventory.Main[1]

The second one will directly give you the table of items you need.

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