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0.13.0 Nov 13, 2024
0.12.0 Jun 14, 2024
0.11.2 Oct 4, 2023
0.11.1 May 19, 2023
0.1.1 Nov 21, 2014

#13 in Game dev

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736 downloads per month
Used in 8 crates

MIT license

160KB
3K SLoC

rs-tiled

tiled = "0.13.0"

Rust Crates.io Docs Status dependency status

A crate for reading TMX (map) and TSX (tileset) files from the Tiled Map Editor into Rust. It provides a huge set of features as well as a strong wrapper over internal features such as GIDs.

Documentation is available on docs.rs.

Code contributions are welcome as are bug reports, documentation, suggestions and criticism.

The minimum supported TMX version is 0.13.

Example

use tiled::Loader;

fn main() {
    let mut loader = Loader::new();
    let map = loader.load_tmx_map("assets/tiled_base64_external.tmx").unwrap();
    println!("{:?}", map);
    println!("{:?}", map.tilesets()[0].get_tile(0).unwrap().probability);
    
    let tileset = loader.load_tsx_tileset("assets/tilesheet.tsx").unwrap();
    assert_eq!(*map.tilesets()[0], tileset);
}

FAQ

How do I embed a map into my executable? / How do I read a file from anywhere else that isn't the filesystem's OS?

The crate does all of its reading through the read_from function of the ResourceReader that you create the loader with. By default, this reader is set to FilesystemResourceReader and all files are read through the OS's filesystem. You can however change this.

Here's an example mostly taken from Loader::with_reader's documentation:

use tiled::{DefaultResourceCache, Loader};

let mut loader = Loader::with_reader(
    // Specify the reader to use. We can use anything that implements `ResourceReader`, e.g. FilesystemResourceReader.
    // Any function that has the same signature as `ResourceReader::read_from` also implements it.
    // Here we define a reader that embeds the map at "assets/tiled_xml.csv" into the executable, and allow
    // accessing it only through "/my-map.tmx"
    // ALL maps, tilesets and templates will be read through this function, even if you don't explicitly load them
    // (They can be dependencies of one you did want to load in the first place).
    // Doing this embedding is useful for places where the OS filesystem is not available (e.g. WASM applications).
    |path: &std::path::Path| -> std::io::Result<_> {
        if path == std::path::Path::new("/my-map.tmx") {
            Ok(std::io::Cursor::new(include_bytes!("../assets/tiled_csv.tmx")))
        } else {
            Err(std::io::ErrorKind::NotFound.into())
        }
    }
);

If the closure approach confuses you or you need more flexibility, you can always implement ResourceReader on your own structure.

How do I get the crate to work on WASM targets?

The crate supports WASM, but since it does not currently support asynchronous loading, there are some gotchas.

  • First, to make it work on any WASM target, enable the wasm feature, like so:
[dependencies]
# ...
tiled = { version = ".....", features = ["wasm"] }
  • Second, since you cannot use the filesystem as normally on the web, you cannot use FilesystemResourceReader. As such, you'll need to implement your own ResourceReader. This is a pretty simple task, as you just need to return anything that is Readable when given a path, e.g.:
use std::io::Cursor;

struct MyReader;

impl tiled::ResourceReader for MyReader {
    type Resource = Cursor<&'static [u8]>;
    type Error = std::io::Error;

    // really dumb example implementation that just keeps resources in memory
    fn read_from(&mut self, path: &std::path::Path) -> std::result::Result<Self::Resource, Self::Error> {
        if path == std::path::Path::new("my_map.tmx") {
            Ok(Cursor::new(include_bytes!("../assets/tiled_xml.tmx")))
        } else {
            Err(std::io::Error::new(std::io::ErrorKind::NotFound, "file not found"))
        }
    }
}

You can also use a function with the same signature as tiled::ResourceReader::read_from; check the ResourceReader docs for more information.

Licences

assets/tilesheet.png by Buch

Licenced under MIT

Dependencies

~4MB
~69K SLoC