Description
World Preview
World Preview is a mod for visualizing Minecraft world seeds before they are generated.
Installation
Just download the latest World Preview JAR file for your exact Minecraft version.
Additionally, always ensure that you are using the correct version for your modloader (Fabric/Forge).
Then save the downloaded jar to the mods folder of your Minecraft instance.
Finally, if you are on Fabric you also need to download the
Fabric API.
Usage
World Preview adds a new Preview tab to the Singleplayer menu.
Upon opening that tab, a random seed is selected and a map of biomes is generated:
By default, the overworld dimension will be generated, structures will not be shown and no heightmap will be generated.
This can be changed in the Settings (top-left button in the Preview tab).
When structure sampling is enabled, the visibility of individual types of structures on the preview can be toggled:
When height sampling is enabled, the preview can be toggled between the biome map and a colorized heightmap:
When y-layer intersection sampling is enabled, the preview can also show the blocks on the current y-layer.
Additionally, the y-layer one step below is also shown in a lighter color:
Since version 1.1.0, there is also experimental support for opening the preview in-game for a single-player worlds:
Moving on the preview
Clicking and dragging on the map-part of the preview tab will move along the x and z axis.
This will cause the following load sequence:
- Any biomes that are not yet sampled on the current y-level
- Structures (if enabled)
- Height map (if enabled)
- Adjacent y-layers (if enabled)
Scrolling does not zoom into the map (there is a separate setting in the configuration menu for controlling the zoom level), but instead travels along the y-axis.
This allows cave biomes to be seen as well. Please note that non-cave biomes span the entire world height beyond that.
Other features
- Works with mods! Tested with:
- Terralith
- Biomes O' Plenty
- Persistent seed storage
- Highlighting specific biomes
- Highly configurable and extendable
Supported version
This table shows the current support status for the Minecraft version.
FAQ
Q: Will Minecraft versions before 1.20 be supported?
A: No.
Q: Will Multiplayer be supported?
A: No.
Q: Scrolling does not zoom the preview!
A: Scrolling moves the y-level up and down. To change the zoom level, go to Settings (top left wrench) -- Resolution and change the visual size of a chunk.
Q: The preview is completely white / black for the y-intersections view.
A: This is likely because the starting y-layer for the preview is the build limit. Try scrolling down to a lower y-layer and something should show up.
Q: My CPU is at 100%!
A: You can limit the number of used cores in Settings (top left wrench) -- General. By default, World Preview tries to compute the biome preview / structures / heightmap as quickly as possible. These calculations require a lot of CPU power.
Mod incompatibilities
This mod should be compatible with most mods (including those adding new biomes and dimensions).
TerraFirmaCraft (TFC)
World Preview is compatible with TFC, however, there is a known issue:
The Y intersections view will always be a white screen for all Y levels with TFC, because the TFCChunkGenerator has a dummy implementation for the getBaseColumn method.
To clarify: This doesn't mean that TFC is broken / does something wrong (it clearly works on its own and does its job).
It just means that TFC does not provide the specific information World Preview needs in this case.
Adding support for new biomes and structures
New biomes, structures, and more can be registered via the Minecraft datapack mechanism. See the World Preview dataformat docs for more information.
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What means Verified?
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Compatibility: The mod should be compatible with the latest version of Minecraft and be clearly labeled with its supported versions.
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Functionality: The mod should work as advertised and not cause any game-breaking bugs or crashes.
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Security: The mod should not contain any malicious code or attempts to steal personal information.
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Performance: The mod should not cause a significant decrease in the game's performance, such as by causing lag or reducing frame rates.
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Originality: The mod should be original and not a copy of someone else's work.
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Up-to-date: The mod should be regularly updated to fix bugs, improve performance, and maintain compatibility with the latest version of Minecraft.
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Support: The mod should have an active developer who provides support and troubleshooting assistance to users.
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License: The mod should be released under a clear and open source license that allows others to use, modify, and redistribute the code.
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Documentation: The mod should come with clear and detailed documentation on how to install and use it.
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How to Install
Download Forge & Java
Download Forge from the offical Site or here. If you dont have Java installed then install it now from here. After Downloading Forge you can run the file with Java.
Prepare
Lounch Minecraft and select your Forge istallation as Version this will create a Folder called Mods.
Add Mods
Type Win+R and type %appdata% and open the .minecraft Folder. There will you find your Folder called Mods. Place all Mods you want to play in this Folder
Enjoy
You are now Ready. Re-start your Game and start Playing.
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