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//! Module containing the raw map data version of the map.
use super::{IconData, PolygonRoomData, RectRoomData, WallData};
use ron::de::from_reader;
use ron::ser::{to_string_pretty, PrettyConfig};
use serde::{Deserialize, Serialize};
use std::fs::File;
use std::io::{self, Write};
use std::path::Path;
/// The serialisable and deserialisable parts of the map. This can be created to get a version of the
/// map which is persistifiable or sendable/receivable without data overhead or data that might make
/// it easily corruptable.
#[derive(Serialize, Deserialize)]
pub struct MapData {
pub(super) rect_rooms: Vec<RectRoomData>,
pub(super) polygon_rooms: Vec<PolygonRoomData>,
pub(super) walls: Vec<WallData>,
pub(super) icons: Vec<IconData>,
}
impl MapData {
/// Create a serialisable map data type from the data elements contained in a map.
pub fn new(
rect_rooms: Vec<RectRoomData>,
polygon_rooms: Vec<PolygonRoomData>,
walls: Vec<WallData>,
icons: Vec<IconData>,
) -> Self {
Self {
rect_rooms,
polygon_rooms,
walls,
icons,
}
}
/// Load the map data from a file. Fails if the file does not exist or cannot be correctly parsed.
pub fn load_from_file<P: AsRef<Path>>(&mut self, path: P) -> io::Result<Self> {
let file = File::open(&path)?;
let data: Self = match from_reader(file) {
Ok(data) => data,
Err(err) => {
return Err(io::Error::new(io::ErrorKind::InvalidData, err));
}
};
Ok(data)
}
/// Write the map data to the file located at `path`. If the file already exists, it will be
/// overwritten. If the write fails, an IO-Error is returned.
pub fn write_to_file<P: AsRef<Path>>(&self, path: P) -> io::Result<()> {
let mut file = File::create(&path)?;
let pretty_conf = PrettyConfig::new()
.with_depth_limit(4)
.with_decimal_floats(true)
.with_separate_tuple_members(true)
.with_indentor("\t".to_owned());
let string = match to_string_pretty(&self, pretty_conf) {
Ok(string) => string,
Err(err) => {
return Err(io::Error::new(io::ErrorKind::InvalidInput, err));
}
};
file.write_all(&string.as_bytes())
}
}
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