Entity Counter

Introduction #

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This system allows you to track how many players/entities are there on your world and run your desired commands based on the values obtained.

Note: you cannot track entities in unloaded chunks though players can still be tracked regardless.

Setup #

To be typed in chat:

/scoreboard objectives add total dummy

System #

/scoreboard players set onlinePlayers total 0
/execute as @e [type=player] run scoreboard players add onlinePlayers total 1

#Your Commands Here (examples)
/execute if score onlinePlayers total matches 4.. run title @a actionbar Enough players to start game.
/execute if score onlinePlayers total matches ..3 run title @a actionbar Not enough players.

Here we have used a FakePlayer name onlinePlayers and targeting @e [type=player] to track how many players are currently on the world. However you may use any FakePlayer name and target any entity you might need. Such as @e [type=creeper]

Similarly we're running a /title command as an example;

• a) when there are 4 or more players 4..
• b) when there are 3 players or less ..3

You can edit this as well to suit your need.

Explanation #

• The first two commands in the system sets the FakePlayer name's score to 0 (here onlinePlayers) and from each loaded entity we want to track (here type=player) it will add a score to the specified FakePlayer name (here onlinePlayers)

Now based on the values obtained we can use the /execute if score command to run our desired commands when certain values are met.

• n any number n
• n.. any number n and above
• ..n any number n and below
• n1..n2 any number n1 to any number n2.