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use std::{fs, path::PathBuf};
use bevy::prelude::*;
use crate::{
components::DirworldEntity, payload::DirworldEntityPayload, resources::DirworldCodecs, Extensions
};
/// Extracts the binary payload from a file
pub fn extract_entity_payload(
path: &PathBuf,
codecs: &DirworldCodecs,
) -> (Option<DirworldEntityPayload>, Option<Vec<u8>>) {
let mut data = None;
let mut payload = None;
if path.is_dir() {
let payload_file_path = path.join(".door");
if payload_file_path.exists() {
if let Ok(payload_file_data) = fs::read(&payload_file_path) {
match rmp_serde::from_slice::<DirworldEntityPayload>(&payload_file_data) {
Ok(deserialized_payload) => {
payload = Some(deserialized_payload);
}
Err(e) => {
warn!("Could not deserialize extracted payload: {e:?}");
}
}
}
}
} else {
if let Some(extensions) = path.extensions() {
if let Ok(file_data) = fs::read(&path) {
if let Some(codec) = codecs.get(&extensions) {
match codec.decode(&file_data) {
Ok((carrier, extracted_payload)) => {
match rmp_serde::from_slice::<DirworldEntityPayload>(&extracted_payload)
{
Ok(deserialized_payload) => {
data = Some(carrier);
payload = Some(deserialized_payload);
}
Err(e) => {
warn!("Could not deserialize extracted payload: {e:?}");
data = Some(file_data);
}
}
}
Err(e) => match e {
occule::Error::DataNotEncoded => {
data = Some(file_data);
}
_ => error!("Could not decode payload: {e:?}"),
},
}
} else {
data = Some(file_data);
}
}
}
}
(payload, data)
}
/// Despawns an entity corresponding to a path on the filesystem
pub fn despawn_entity_by_path(
commands: &mut Commands,
dirworld_entities: &Query<(Entity, &DirworldEntity)>,
path: &PathBuf,
) {
if let Some((entity, _)) = dirworld_entities
.iter()
.find(|(_, dirworld_entity)| dirworld_entity.path == *path)
{
commands.entity(entity).despawn_recursive();
} else {
warn!("Failed to find entity corresponding to path for despawning: {path:?}");
}
}
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