How get a max value in table

[ParadoxTR]

Hello guys, ı have a questions.
 

exampleTable[player].kill 

How get a max value in this table? Could you show me an example.

[Lpsd]

Something like this should do

function getMaxValue(table)
	local max_val, key = 0, 0
	for i,v in pairs(table) do
		if v > max_val then
			max_val, key = v, i
		end
	end
	return max_val, key
 end

 

Then use:

value, key = getMaxValue(exampleTable[player].kill)

 

 

Edited April 6, 2017 by LopSided_

[_DrXenon]

or you can simply sort the table from biggest to smallest by;

table.sort(table, function(a,b) return a.kill > b.kill end)

 and then, when you have the highest value on the top of the sorted table, You simply get the first row in this table and it will be the biggest.

[Lpsd]

32 minutes ago, SuperCroz said:

or you can simply sort the table from biggest to smallest by;

table.sort(table, function(a,b) return a.kill > b.kill end)

 and then, when you have the highest value on the top of the sorted table, You simply get the first row in this table and it will be the biggest.

Won't this lose the key from the original table? 

Although saying that, my example assumes numerical key/indexes.

Edited April 6, 2017 by LopSided_

[_DrXenon]

11 minutes ago, LopSided_ said:

Won't this lose the key from the original table? 

Although saying that, my example assumes numerical key/indexes.

the key isn't important since we got the value.

Besides, I gave another example because I couldn't understand yours.

max_val = 0, 'if v > max_val then' which means 'if v > 0 then' we have the max_val? I would like to know more how this works, If possible.

[Tails]

I hope this is what the OP is looking for

function getTopScores()
	local scores = {}
	for plr, v in pairs(exampleTable) do
		table.insert(scores, {name = getPlayerName(plr), kills = v.kills}
	end
	table.sort(scores, function(a, b) return a.kill > b.kill end)
	return scores
end

local scores = getTopScores()
outputChatBox("Top scorer is "..scores[1].name.." with "..scores[1].kills.." kills!") 

It creates a list with the names and kills of each player in your table then sorts it by the kills.

Then you can output the first one in the list or all of them put them in a grid list or something.

36 minutes ago, LopSided_ said:

Won't this lose the key from the original table? 

To avoid that you should just create a new table.

Hope this helps everyone

[_DrXenon]

or just save the key on a third argument in every row in the table, that's easier, If the key really matters.