Initial commit

.github/workflows/publish.yml

@@ -0,0 +1,30 @@
+name: Publish
+
+on:
+  push:
+    branches:
+      - "!*"
+    tags:
+      - "v*"
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Setup wasm-pack
+        uses: jetli/wasm-pack-action@v0.4.0
+      - name: Build
+        run: ./build.sh
+      - name: Publish
+        uses: JS-DevTools/npm-publish@v2
+        with:
+          token: ${{ secrets.NPM_TOKEN }}
+          package: ./pkg
+          access: public
+      - name: Release
+        uses: marvinpinto/action-automatic-releases@latest
+        with:
+          repo_token: ${{ secrets.BOT_TOKEN }}
+          prerelease: false

.gitignore

@@ -0,0 +1,2 @@
+/target
+/Cargo.lock

Cargo.toml

@@ -0,0 +1,21 @@
+[package]
+name = "unity-js-tools"
+version = "1.0.0"
+edition = "2021"
+authors = ["神代綺凛 <i@loli.best>"]
+license = "MIT"
+description = "Tools for arkntools/unity-js"
+repository = "https://github.com/arkntools/unity-js-tools"
+
+[profile.release]
+lto = true
+opt-level = 3
+codegen-units = 1
+
+[lib]
+crate-type = ["cdylib"]
+
+[dependencies]
+astc-decode = "0.3.1"
+lz4_flex = "0.11.1"
+wasm-bindgen = "0.2.87"

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2023 神代綺凛
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -0,0 +1,5 @@
+# unity-js-tools
+
+[![NPM version](https://img.shields.io/npm/v/@arkntools/unity-js-tools?style=flat-square)](https://www.npmjs.com/package/@arkntools/unity-js-tools)
+
+一些给 [unity-js](https://github.com/arkntools/unity-js) 用的工具方法，从 rust 编译为 wasm

build.bat

@@ -0,0 +1 @@
+wasm-pack build --release --target nodejs --scope arkntools

build.sh

@@ -0,0 +1,2 @@
+#!/bin/sh
+wasm-pack build --release --target nodejs --scope arkntools

src/lib.rs

@@ -0,0 +1,33 @@
+use astc_decode::{astc_decode, Footprint};
+use lz4_flex::decompress;
+use wasm_bindgen::prelude::*;
+
+#[wasm_bindgen(js_name = decodeAstc)]
+pub fn decode_astc(
+    data: &[u8],
+    width: u32,
+    height: u32,
+    block_width: u32,
+    block_height: u32,
+) -> Result<Vec<u8>, JsError> {
+    let footprint = Footprint::new(block_width, block_height);
+    let mut result: Vec<u8> = vec![0; (width * height * 4) as usize];
+
+    let astc_result = astc_decode(data, width, height, footprint, |x, y, v4| {
+        let y = height - y - 1;
+        let ri = ((y * width + x) * 4) as usize;
+        for (i, v) in v4.iter().enumerate() {
+            result[ri + i] = *v;
+        }
+    });
+
+    match astc_result {
+        Ok(()) => Ok(result),
+        Err(e) => Err(JsError::new(&e.to_string())),
+    }
+}
+
+#[wasm_bindgen(js_name = decompressLz4)]
+pub fn decompress_lz4(data: &[u8], size: usize) -> Result<Vec<u8>, JsError> {
+    decompress(data, size).map_err(|e| JsError::new(&e.to_string()))
+}