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hsrails

High Speed Rails

A spigot/bukkit plugin to make minecarts worth building.

For Minecraft version 1.21.1 and tested working on 1.14, 1.15, 1.16.3, 1.19. Will most likely work just fine on newer versions as well.

Place a powered rail on a boost block (redstone block by default) to build high-speed rail. Place on any other block to get a regular powered rail.

scrot

High-speed rails are by default 4x faster than regular powered rails, ie. 32 m/s, or 115 km/h. This is as fast as rocket powered elytra flight.

The high-speed rail multiplier can be temporarily changed with the /hsrails command, or permanently changed in the config. The boost block is also configurable. See Usage section for commands and config options.

To help cope with the higher speeds, there is also a hard brake block available (soul sand by default). If you place an unpowered power rail on a hard brake block, the cart will decelerate faster than default. See Usage section for configuration options.

Note: please read the Design sections on how to keep your carts from derailing at high speeds.

Note: there seems to be a game limitation for speed but not momentum, and it seems to be around multiplier of 4x. Multipliers higher than 4x usually result in increased momentum, but not higher top speeds. That means the carts will coast for longer, even though they appear to have the same top speed.

Usage

Commands

Use /hsrails <multiplier> to tweak how fast high-speed rails are. Multiplier must be between 1 and 8.

Example: set multiplier to 4

/hsrails 4

Config

This is the default HsRails/config.yml:

speedMultiplier: 4.0
boostBlock: "minecraft:redstone_block"
hardBrakeMultiplier: 8.0
hardBrakeBlock: "minecraft:soul_sand"

Allowed values are:

  • speedMultiplier:
    • >= 1
    • <= 8
  • boostBlock:
    • Namespaced block. Look up the ID name in the id list and prefix it with minecraft:. For example, type in "minecraft:stone" for stone block as boost block.
    • If you type in "any", every powered rail will be a high speed powered rail.
  • hardBrakeMultiplier:
    • >= 1
  • hardBrakeBlock:
    • Any namespaced block (see info on boostBlock for details). any is not allowed here.

Design considerations

You must be aware of a couple of things while building high-speed tracks:

  • Acceleration is not instantaneous.
  • Entering turns at high speed will derail you.
  • Entering/exiting slopes at high speed will derail you.
  • While traveling at high speeds, a regular powered rail will slow you down.

Derailing at high speeds is a limitation of the game itself, and is probably the reason why rails are so slow in vanilla Minecraft. Thus, when designing your high-speed tracks, you will have to design them like real high-speed train tracks: long stretches with smooth turns.

Design guidelines

These are my recommendations for building efficient high-speed tracks:

  • Allow room for acceleration: it takes a while to reach top speed. Place several high-speed rail sections close together at the start of your track.
  • Minimize number of turns: you only need at most one turn to get to any destination. An optimal track looks like an L from above.
  • Minimize number of slopes: build tunnels, bridges, etc. to stay on the same level.
  • Before turns and slopes, put one (or sometimes a couple of) regular powered rails to slow down and avoid derailment.
  • After turns and slopes, allow room for acceleration again.
  • To maintain top speed in high speed state, place a high speed rail every 30 blocks (ie. 1 powered rail + 29 iron rails; rinse and repeat)

To maintain high speeds you must of course build your tracks out of high-speed rails, because regular powered rails will slow you down. Only mix in regular powered rails in turns and slopes as mentioned above.

If you want to stop a high speed cart quickly, for example if you have stations/stops on your route, you can use hard brake blocks with unpowered powered rails.

Compiling

This is a maven project made in intellij idea. To compile, simply run mvn package

Credits

Adapted from varesa's Minecart Speedplus.

Thanks to LordNinka for discovering the effects of speed vs. momentum at high multipliers.

Thanks to TheWallaceman105 for bringing forth the idea of hard brake blocks and helping during development by testing.