World Pre Generator
For older versions of the mod check the wiki.
This Mod can pre generate the Minecraft dimensions per command.
The Mod is only needed on the server side, but can also be used on the client side.
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Support: Supported Minecraft Versions
New Development and Fixes: 1.20.2
Bug Fixes: 1.19.4
Critical Bug Fixes: 1.18.2, 1.20-1.20.1
End of Support: up to 1.18.1, 1.19-1.19.3
The pre generation tasks are executed one after the other.
The pre generations are continued after restarts.
Chunks already generated are skipped on pre-generation, if the forced flag is not true.
If you run semi-parallel pre generation, you should set "max-tick-time" in the "server.properties"-file to -1 to prevent crashes, because the tick time gets too long.
In semi-parallel pre generation mode, multiple tasks for pre generation are started in parallel, but the execution is done the Minecraft way. As of 1.20.1, this means, that only one chunk can be generated at a time.
The config file can be found in the "serverconfig" folder in the "world" folder and is named "world_pre_generator-server.toml". The name of the world folder is set for servers in the "server.properties" file and for clients it is the name of the world/save game in the world list, and it can be found in the "saves" folder in the ".minecraft" folder.
Shall a pre generation feedback send to all online players?
Parameters for generation
Type of generation
SERIAL: Every chunk one after another is generated.
SEMI_PARALLEL: Multiple chunk generation tasks are created, but the generation is still serial (speed up the chunk generation).
How many chunk generation tasks shall be start in parallel?
If the value is "0", the number of processor cores is used.
Delays of the print and save tasks
Time between 2 status prints
Time between 2 saving events
- /pregen list
Lists all running pre generation tasks.
- /pregen gen <dimension> start <block|chunk> <center> <radius> [<force>]
Creates a pre generation task with the specified centre, radius and dimension.
Optional, the force flag (true, false) can be set. If it is set to true, all chunks are loaded. If it is set to false, already generated chunks are skipped. If the force flag is absent, it is set to false.
Parameter after start:
The center coordinates and the radius are in blocks.
- If you want to generate a 4000x4000 (2000 in the positive and negative direction) from the center of the world, the command would be:
`/pregen gen minecraft:overworld start block 0 0 2000`
If you want to generate a 4002x4002 (2001 in the positive and negative direction) from x = 100, z = 150 of the world, the command would be:
`/pregen gen minecraft:overworld start block 100 150 2001`
Hint: In the pregeneration list it will show up, with the following center and radius data, because the block data are calculated to chunk data and back:
x = "round down"(100 / 16) * 16 = 96
z= "round down"(150 / 16) * 16 = 144
radius = "round up"(2001 / 16) * 16 = 2016
The center coordinates and the radius are in chunks.
If you want to generate a 4000x4000 (2000 in the positive and negative direction) from the center of the world, the command would be:
`/pregen gen minecraft:overworld start chunk 0 0 125`
If you want to generate a 4002x4002 (2001 in the positive and negative direction) from x = 100, z = 150 of the world.
"chunk x" = "round down"(100 / 16) = 6
"chunk z"= "round down"(150 / 16) = 9
"chunk radius" = "round up"(2001 / 16) = 126
The command would be:
`/pregen gen minecraft:overworld start chunk 6 9 126`
- /pregen get <dimension> resume
Resumes the pre generation task of the dimension.
- /pregen gen <dimension> pause
Pauses the pre generation task of the dimension.
- /pregen gen <dimension> cancel
Cancels the pre generation task of the dimension.
- /pregen clear
Cancels all pre generation tasks.
- /pregen sendFeedback
Shows, if the progression feedback is enabled or disabled.
- /pregen sendFeedback <isFeedbackEnabled>
Enables or disables progression feedback depending on isFeedbackEnabled. Generation start and finish feedback are not affected of that.
The progress state computed is in chunks.
You get the following information in the generation messages: "A B/C (D%) E chunks/s"
- Dimension (A)
- Chunk generated (B)
- Total chunks to generate (C)
- Percentage of chunks for which generation is finished (D)
- Rate of Chunks per second generated between this and the last message (E)
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