Lua support (#16)

* adds Lua language support
* makes the library generic, allowing for easy extension for more languages
* small improvements and fixes

.github/workflows/deploy_book.yml

@@ -0,0 +1,38 @@
+name: Deploy book
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write  # To push a branch
+      pages: write  # To push to a GitHub Pages site
+      id-token: write # To update the deployment status
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Install latest mdbook
+        run: |
+          tag=$(curl 'https://api.github.com/repos/rust-lang/mdbook/releases/latest' | jq -r '.tag_name')
+          url="https://github.com/rust-lang/mdbook/releases/download/${tag}/mdbook-${tag}-x86_64-unknown-linux-gnu.tar.gz"
+          mkdir mdbook
+          curl -sSL $url | tar -xz --directory=./mdbook
+          echo `pwd`/mdbook >> $GITHUB_PATH
+      - name: Build Book
+        run: |
+          cd book
+          mdbook build
+      - name: Setup Pages
+        uses: actions/configure-pages@v4
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          # Upload entire repository
+          path: 'book'
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4

.github/workflows/rust.yml

@@ -17,12 +17,12 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - name: Clippy
-      run: cargo clippy --verbose -- -D warnings
+      run: cargo clippy --all-features --verbose -- -D warnings
     - name: Build
-      run: cargo build --verbose
+      run: cargo build --all-features --verbose
     - name: Run tests
-      run: cargo test --verbose
+      run: cargo test --all-features --verbose
     - name: Install cargo-examples
       run: cargo install cargo-examples
     - name: Run all examples
-      run: cargo examples
+      run: cargo examples --features=lua,rhai

.gitignore

@@ -1,3 +1,4 @@
 /target
 /Cargo.lock
 .vscode
+rust-analyzer.json

Cargo.toml

@@ -10,13 +10,102 @@ description = "Plugin for Bevy engine that allows you to write some of your game
 repository = "https://github.com/jarkonik/bevy_scriptum"
 keywords = ["bevy", "rhai", "scripting", "game", "gamedev"]
 
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+[features]
+lua = ["mlua/luajit"]
+rhai = ["dep:rhai"]
 
 [dependencies]
 bevy = { default-features = false, version = "0.13.0", features = [
     "bevy_asset",
 ] }
 serde = "1.0.162"
-rhai = { version = "1.14.0", features = ["sync", "internals", "unchecked"] }
+rhai = { version = "1.14.0", features = ["sync", "internals", "unchecked"], optional = true }
 thiserror = "1.0.40"
 anyhow = "1.0.82"
+tracing = "0.1.40"
+mlua = { version = "0.9.8", features = ["luajit", "vendored", "send"], optional = true }
+
+[[example]]
+name = "call_function_from_rust_rhai"
+path = "examples/rhai/call_function_from_rust.rs"
+
+[[example]]
+name = "current_entity_rhai"
+path = "examples/rhai/current_entity.rs"
+
+[[example]]
+name = "custom_type_rhai"
+path = "examples/rhai/custom_type.rs"
+
+[[example]]
+name = "ecs_rhai"
+path = "examples/rhai/ecs.rs"
+
+[[example]]
+name = "entity_variable_rhai"
+path = "examples/rhai/entity_variable.rs"
+
+[[example]]
+name = "function_params_rhai"
+path = "examples/rhai/function_params.rs"
+
+[[example]]
+name = "hello_world_rhai"
+path = "examples/rhai/hello_world.rs"
+
+[[example]]
+name = "non_closure_system_rhai"
+path = "examples/rhai/non_closure_system.rs"
+
+[[example]]
+name = "promises_rhai"
+path = "examples/rhai/promises.rs"
+
+[[example]]
+name = "side_effects_rhai"
+path = "examples/rhai/side_effects.rs"
+
+[[example]]
+name = "call_function_from_rust_lua"
+path = "examples/lua/call_function_from_rust.rs"
+
+[[example]]
+name = "current_entity_lua"
+path = "examples/lua/current_entity.rs"
+
+[[example]]
+name = "custom_type_lua"
+path = "examples/lua/custom_type.rs"
+
+[[example]]
+name = "ecs_lua"
+path = "examples/lua/ecs.rs"
+
+[[example]]
+name = "entity_variable_lua"
+path = "examples/lua/entity_variable.rs"
+
+[[example]]
+name = "function_params_lua"
+path = "examples/lua/function_params.rs"
+
+[[example]]
+name = "hello_world_lua"
+path = "examples/lua/hello_world.rs"
+
+[[example]]
+name = "non_closure_system_lua"
+path = "examples/lua/non_closure_system.rs"
+
+[[example]]
+name = "promises_lua"
+path = "examples/lua/promises.rs"
+
+[[example]]
+name = "side_effects_lua"
+path = "examples/lua/side_effects.rs"
+
+[dev-dependencies]
+tracing-subscriber = "0.3.18"
+mlua = { version = "0.9.8", features = ["luajit", "vendored", "send"] }
+rhai = { version = "1.14.0", features = ["sync", "internals", "unchecked"] }