Minecraft – How to find someone’s personal best? (fastest time in a race?)

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I am currently making a minigame to play right now, (specifically a racing game) but I am unsure how to find the personal best of a player at the end of the game. I have a timer setup, but my objectives seem to make this task a little difficult? I know the scores of the times will play into this, so I will explain what I have setup with the times.

1.) I have objectives, dispsecond and dispminute.
These stand for Display Second and Display Minute. Simply, it functions as a normal timer. At the end of race, everyones' timers halt. So at the end of the race, one's score may be:
1-dispminute 39-dispsecond

Now my question still stands, how do I find the personal best?

Best Answer

Use scoreboard operations

I assume you also have the time stored in a non-formatted scoreboard, e.g. in ticks. Let's call that objective time. If not, see below.

Make another dummy scoreboard objective called best, and initalize it to 0, e.g. by running

/scoreboard players add @a best 0

When a player finishes the race, mark him in some way, e.g. by assigning a tag (I'll use tag=finished). Then simply run

/execute @a[tag=finished] ~ ~ ~ scoreboard players operation @a[c=1] best < @a[c=1] time

The < operator will assign the lesser score of best and time to best. The execute makes sure that both targets of the scoreboard command are the same player.

You can turn best into bestminute and bestsecond the same way you converted time into the display stats.

Converting times to a single number

If you don't have time stored as a single continuously increasing number, you can use scoreboard players operation commands to turn your dispminute and dispseconds scores into one. Set up the new objective, and store the number 60 in a fake player (called #SIXTY):

/scoreboard objectives add time dummy
/scoreboard players set #SIXTY time 60

Now, set up a repeat/chain line and run.

/scoreboard players set @a time 0
/execute @a ~ ~ ~  /scoreboard players operation @a[c=1] time += @a[c=1] dispminutes
/execute @a ~ ~ ~  /scoreboard players operation @a[c=1] time *= #SIXTY time
/execute @a ~ ~ ~  /scoreboard players operation @a[c=1] time += @a[c=1] dispsecond

This will first reset the time score for every player. Then, the players' scores in dispminutes will be added to time, and multiplied by 60. Lastly, dispseconds is added to time.

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