worldstat 0.0.1

Simple library for interfacing with Minecraft world information
Documentation 
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use std::error::Error;

use flate2::read::GzDecoder;

use crate::{
  context::Context,
  level::{Level, WorldData},
};

/// Struct wrapping world data.
pub struct World {
  ctx: Context,

  pub world_data: WorldData,
}

impl World {
  pub fn new(ctx: Context) -> Result<Self, Box<dyn Error>> {
    let level_dat = std::fs::File::open(ctx.path().join("level.dat"))?;
    let decoder = GzDecoder::new(level_dat);
    let level: Level = fastnbt::from_reader(decoder)?;

    Ok(World {
      ctx,
      world_data: level.data,
    })
  }

  /// Save the world data to the `level.dat` file.
  pub fn save(&self) -> Result<(), Box<dyn Error>> {
    let path = self.ctx.path().join("level.dat");
    let level = Level {
      data: self.world_data.clone(),
    };
    let contents = fastnbt::to_bytes(&level)?;

    std::fs::write(path, contents)?;

    Ok(())
  }
}