技術共有

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最初に出版されたのはEnaium の個人ブログ

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ゲームのリソース情報を保存するためにいくつかの構造体を宣言する必要があります。jsonファイルはこれらの構造に解析されるため、以下を追加する必要があります。serde頼る。

serde = { version = "1.0", features = ["derive"] }
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リソース関連asset.rs

use serde::Deserialize;
use std::collections::HashMap;

#[derive(Deserialize)]
pub struct AssetIndex {
    pub id: String,
    pub sha1: String,
    pub size: u32,
    #[serde(alias = "totalSize")]
    pub total_size: u32,
    pub url: String,
}

#[derive(Deserialize)]
pub struct Index {
    pub objects: HashMap<String, Object>,
}

#[derive(Deserialize)]
pub struct Object {
    pub hash: String,
    pub size: u32,
}
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ゲーム本体version.rs

use serde::Deserialize;

use crate::{asset::AssetIndex, library::Library};

pub type Libraries = Vec<Library>;

#[derive(Deserialize)]
pub struct Version {
    #[serde(alias = "assetIndex")]
    pub asset_index: AssetIndex,
    pub downloads: Download,
    pub id: String,
    pub libraries: Libraries,
    #[serde(alias = "mainClass")]
    pub main_class: String,
    #[serde(alias = "releaseTime")]
    pub release_time: String,
    pub time: String,
    #[serde(alias = "type")]
    pub type_: String,
}

#[derive(Deserialize)]
pub struct Download {
    pub client: Client,
}

#[derive(Deserialize)]
pub struct Client {
    pub sha1: String,
    pub size: u32,
    pub url: String,
}
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ゲーム依存ライブラリlibrary.rs

use serde::Deserialize;

#[derive(Deserialize)]
pub struct Library {
    pub downloads: Download,
    pub name: String,
    pub rules: Option<Vec<Rule>>,
}

#[derive(Deserialize)]
pub struct Rule {
    pub action: String,
    pub os: Os,
}

#[derive(Deserialize)]
pub struct Os {
    pub name: String,
}

#[derive(Deserialize)]
pub struct Download {
    pub artifact: Artifact,
}

#[derive(Deserialize)]
pub struct Artifact {
    pub path: String,
    pub sha1: String,
    pub size: i32,
    pub url: String,
}
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バージョンリストもありますversion_manifest.rs

use serde::Deserialize;

#[derive(Deserialize)]
pub struct VersionManifest {
    pub latest: Latest,
    pub versions: Vec<Version>,
}

#[derive(Deserialize)]
pub struct Latest {
    pub release: String,
    pub snapshot: String,
}

#[derive(Deserialize)]
pub struct Version {
    pub id: String,
    #[serde(alias = "type")]
    pub type_: String,
    pub url: String,
    pub time: String,
    #[serde(alias = "releaseTime")]
    pub release_time: String,
}
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最後に、これらのモジュールをにインポートしますlib.rs真ん中。

pub mod asset;
pub mod library;
pub mod version;
pub mod version_manifest;
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