Minecraft:Trial Spawner
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For the {{{Description}}} of the same name, see [[{{{Destination}}}]]. |
Template:Infobox block A trial spawner is a type of Minecraft:spawner found in Minecraft:trial chambers. It spawns Minecraft:mobs in waves, ejects consumable items and/or Minecraft:trial keys after they are all defeated, and then deactivates for 30 minutes. Having more Minecraft:Survival/Minecraft:Adventure mode Minecraft:players nearby results in more mobs and more rewards.
A trial spawner will convert into an active Minecraft:ominous trial spawner during an Minecraft:ominous trial, even if it was on cooldown.
Obtaining
Trial spawner can be obtained only by using the Minecraft:Creative inventory, using Template:Control or executing Minecraft:commands.
Natural generation
Trial spawners generate naturally in every chamber and every corridor of Minecraft:trial chambers, except for the entrance chamber.
Breaking
No tool can accelerate the breaking process of trial spawner. Template:Breaking row Trial spawner drops nothing when it's destroyed.
Usage
A trial spawner summons a limited number of mobs, scaled based on the number of nearby Minecraft:players. When these mobs are defeated, the spawner ejects a reward for each player and enters a cooldown period.
Activation
A trial spawner has a required player range of 14 blocks. Any player in Survival or Adventure mode activates the spawner if the Minecraft:distance between the player's center and the spawner's center becomes less than the required player range, and the spawner has a direct line of sight to the player. Once activated, the spawner begins summoning copies of the mob set in it, and no longer requires the player to be within range or maintain line of sight.
The line of sight check for trial spawners can pass through transparent solid blocks, such as Minecraft:copper grates and Minecraft:glass. This differs from the line of sight check for hostile mobs, which cannot pass through these blocks.
Trial spawners do not activate if the Minecraft:game rule Template:Cd is Template:Cd,<ref>Template:Bug</ref> or if the difficulty is set to Minecraft:Peaceful.<ref>Template:Bug</ref>
When a trial spawner first activates, it shoots spark-like Minecraft:particles up into the air. While active, it emits smoke and flame particles around itself and any entities it summons.
The Minecraft:light level around a trial spawner does not affect how it summons entities.
Mob spawning
When a player enters a trial spawner's range, the spawner attempts to spawn 1 mob every Template:Convert. With 1 player, it does not spawn a mob if there are already 2 mobs from the spawner that are still alive. It spawns a total of 6 mobs before ejecting loot and going into cooldown. The number of living mobs required to prevent further mob spawning is called the simultaneous mob count. The number of mobs spawned before going into cooldown is the total mob count. These numbers are summarized in Template:Slink.
This duration of time between each mob being spawned is the spawn interval. If the spawner can't spawn a mob, it waits for the duration of the spawn interval and tries again. Once the number of living mobs spawned by the spawner has reached the simultaneous mob count, it stops trying to spawn mobs. Mobs spawned by the spawner do not naturally despawn, but the spawner does not detect or count living mobs from unloaded Minecraft:chunks. Therefore, moving mobs into unloaded chunks causes them to build up and the spawner to continue spawning more.
A trial spawner also stops spawning mobs if the number of living mobs spawned by it reached the total mob count. The spawner doesn't need to detect these mobs being alive, and therefore still counts them if they are in unloaded chunks. The spawner detects the death of the mobs only for the total mob count, and it always detects the death of the mobs even if it is not in a loaded chunk.
Both the simultaneous mob count and the total mob count increase if another player comes within the spawner's range. For each additional player present, the simultaneous mob count increases by 1, and the total mob count increases by 2. For example, with 2 players, 8 mobs spawn in total with 3 at once, and with 3 players, 10 mobs spawn in total with 4 at once.
If a player leaves the detection range of a trial spawner, these values do not scale back down.
The values described above are the default values used when trial spawners are placed manually. Naturally generated spawners in trial chambers use different values. Additionally, these numbers can be configured by modifying the block's NBT data.
Naturally generating trial spawners in trial chambers use different values for the spawn interval, the total mob count, and the simultaneous mob count. The quantity that the last 2 values change by with additional players is also different for different types of spawners. All naturally generated spawners attempt to spawn mobs every Template:Convert, or every Template:Convert for the slow versions of the spawners. Additionally, naturally generated breeze spawners allow 1 breeze to exist at once (+0.5 for each additional player present) and stop after spawning 2 mobs (+1 for each additional player present). Baby zombie spawners allow 2 baby zombies to exist at once (+0.5 for each additional player present) and stop after spawning 6 mobs (+2 for each additional player present). All other spawners generated in trial chambers use the default value of 6 total mobs, plus 2 for each additional player present, and 3 simultaneous mobs, plus 2 for each additional player present. This is summarized in Template:Slink.
Spawning values
| Type | Spawn interval | Total mobs (base) | Total mobs added per player | Simultaneous mobs (base) | Simultaneous mobs added per player |
|---|---|---|---|---|---|
| Default values | Template:Convert | 6 | 2 | 2 | 1 |
| Breeze | Template:Convert | 2 | 1 | 1 | 0.5 |
| Baby zombie | Template:Convert | Default | Default | Default | 0.5 |
| All others in trial chambers | Template:Convert | Default | Default | 3 | 0.5 |
Slow versions (those that appear in chamber_8)
|
Template:Convert | Default | Default | 4 | 2 |
Mobs spawn in positions that have a line of sight to the trial spawner, in a 4-block spherical radius. This is different from the Minecraft:monster spawner, which has a larger, rectangular spawning box, and no line-of-sight requirement. Otherwise, the standard mob spawning rules apply (mobs cannot collide with blocks, guardians and elder guardians spawn only in water, etc.)
Completion
All mobs spawned by a trial spawner must be defeated before the trial spawner can eject loot. A mob is considered defeated when it is killed, enters a block (in the case of silverfish), enters another Minecraft:dimension, or transforms into another entity (excepting for creepers transforming into charged creepers; the charged creepers must be defeated before the trial spawner is completed).
If a mob spawns more mobs upon death, only the initial mob must be defeated to cause the spawner to eject loot (i.e. slimes and magma cubes).
Cooldown
Upon completion, a trial spawner enters a cooldown state for Template:Convert before it can be activated again. The cooldown timer decreases even if the trial spawner is unloaded.<ref>Template:Bug</ref>
Custom trial spawners
Template:Control a Minecraft:spawn egg on a trial spawner sets the trial spawner's type to that egg's entity.
Trial spawners placed by players have the same loot data as those found in trial chambers. However, if it becomes an Minecraft:ominous trial spawner it will keep its same loot and will not update to use the Ominous loot.
Loot
When all mobs have been killed, the trial spawner waits 40 ticks (2 seconds). Then, every 30 ticks (1.5 seconds), it ejects random items from the loot table. It does this for every detected player. It has a 50% chance of picking a Minecraft:trial key, in which case it drops for all players. The other 50% of the time it drops one of the other items for each player. Template:LootChest
Ominous trial
Template:Main A player with Minecraft:Bad Omen that is within the activation range of a trial spawner is given the Minecraft:Trial Omen effect, starting an Minecraft:ominous trial. During an ominous trial, trial spawners near a player with Trial Omen are converted into Minecraft:ominous trial spawners. When a trial spawner becomes ominous, all of its existing mobs are despawned. If the trial spawner was on cooldown and was not ominous before going on cooldown, the cooldown is skipped when becoming ominous.
Piston interactivity
Trial spawner can't be pushed by Minecraft:pistons or pulled by Minecraft:sticky pistons.
Sounds
Generic
Template:Sound table/Block/Trial spawner
Unique
Data values
ID
Template:JE: Template:ID table Template:ID table
Template:BE: Template:ID table Template:ID table
Block states
Template:JE: Template:Bst Template:Bst
Template:BE: Template:Bst Template:Bst
Block data
A trial spawner has a block entity associated with it that holds additional data about the block.
Template:JE: Template:See also
<section begin="block data" />
- Template:Nbt Block entity data
- Template:Nbt inherit/blockentity
- Template:Nbt: Between 1 and 128. Defaults to 14. — Maximum distance in blocks for players to join the battle.
- Template:Nbt: Defaults to 36000. — Time in ticks of the cooldown period. Includes the time spent ejecting rewards.
- Template:NbtTemplate:Nbt: (optional) Template:Json ref — The configuration to use when not ominous.
- Template:NbtTemplate:Nbt: (optional) Template:Json ref — — The configuration to use when ominous.
- The following fields are used to keep track of the current state of the trial spawner.
- Template:Nbt: A set of player UUIDs. — All the players that have joined the battle. The length of this array determines the amount of mobs and amount of rewards.
- Template:Nbt: A UUID.
- Template:Nbt: A set of mob UUIDs. — The mobs that were spawned by this spawner and are still alive.
- Template:Nbt: A UUID.
- Template:Nbt: Gametime in ticks when the cooldown ends. 0 if not currently in cooldown.
- Template:Nbt: Gametime in ticks when the next spawn attempt happens. 0 if not currently active.
- Template:Nbt: The total amount of mobs that have already been spawned in this cycle. 0 if not currently active.
- Template:Nbt: The next mob to attempt to spawn. Selected from Template:Nbt after the last attempt. Determines the mob displayed in the spawner.
- Template:Nbt: A resource location to the Minecraft:loot table that is given as a reward. Unset if not currently giving rewards. Selected from Template:Nbt after all mobs are defeated.
<section end="block data" />
Advancements
Videos
History
Announcement
Java Edition
Bedrock Edition
Issues
Trivia
- Trial spawners placed by hand have both
spawn_potentialsandspawn_datadata. Right clicking a trial spawner with a spawn egg changes itsspawn_data. Changing itsspawn_potentialswithout removing itsspawn_datacauses the trial spawner to stop functioning. - If there are multiple entities listed within the
spawn_potentialsdata of a trial spawner, the icon displayed by a trial spawner reflects the next entity to be spawned. - The line of sight check for trial spawners was implemented to prevent mobs from spawning outside of the room, or outside trial chambers' structure, such as inside caves.<ref>Template:Ytl</ref>
- Trial spawners can still eject their loot, even if all mobs they spawned were not defeated but rather converted as listed below:
- Minecraft:Pigs and Minecraft:villagers converting to Minecraft:zombified piglins and Minecraft:witches respectively when struck by Minecraft:lightning.
- Minecraft:Piglins, Minecraft:piglin brutes and Minecraft:hoglins converting to Minecraft:zombified piglins and Minecraft:zoglins when outside of Minecraft:the Nether for 15 seconds.
- Minecraft:Skeletons converting into Minecraft:strays when they freeze.
- Minecraft:Husks and Minecraft:zombies converting into Minecraft:zombies and Minecraft:drowneds when submerged in water for too long.
Gallery
Renders
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A Minecraft:breeze trial spawner
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A Minecraft:slime trial spawner
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A Minecraft:zombie trial spawner
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A Minecraft:baby zombie trial spawner
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A Minecraft:husk trial spawner
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A Minecraft:skeleton trial spawner
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A Minecraft:bogged trial spawner
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A Minecraft:stray trial spawner
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A Minecraft:spider trial spawner
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A Minecraft:cave spider trial spawner
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A Minecraft:silverfish trial spawner
Development images
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A trial spawner emitting particles upon activation
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A defeated Minecraft:breeze trial spawner
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A room with a Minecraft:breeze trial spawner in the middle
In other media
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A spider trial spawner as it appears in the Minecraft:Tricky Trials Update Official Trailer.
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A bogged trial spawner activating before Efe, Minecraft:Kai, Minecraft:Makena, Minecraft:Steve, and Minecraft:Sunny.
See also
References
External links
Minecraft:de:Prüfungs-Spawner Minecraft:es:Generador de desafío Minecraft:fr:Générateur des épreuves Minecraft:ja:試練のスポナー Minecraft:ko:시련 생성기 Minecraft:pl:Przyzywacz prób Minecraft:pt:Gerador do Desafio Minecraft:ru:Спаунер испытаний Minecraft:uk:Породжувач випробувань Minecraft:zh:试炼刷怪笼