43 lines
1.4 KiB
Rust
43 lines
1.4 KiB
Rust
use bevy::{app::AppExit, prelude::*};
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use bevy_scriptum::prelude::*;
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use bevy_scriptum::runtimes::lua::prelude::*;
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fn main() {
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App::new()
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// This is just needed for headless console app, not needed for a regular bevy game
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// that uses a winit window
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.set_runner(move |mut app: App| {
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loop {
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app.update();
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if let Some(exit) = app.should_exit() {
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return exit;
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}
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}
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})
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.add_plugins(DefaultPlugins)
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.add_systems(Startup, startup)
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.add_systems(Update, call_lua_on_update_from_rust)
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.add_scripting::<LuaRuntime>(|runtime| {
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runtime.add_function(String::from("quit"), |mut exit: EventWriter<AppExit>| {
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exit.send(AppExit::Success);
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});
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})
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.run();
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}
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fn startup(mut commands: Commands, assets_server: Res<AssetServer>) {
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commands.spawn(Script::<LuaScript>::new(
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assets_server.load("examples/lua/call_function_from_rust.lua"),
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));
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}
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fn call_lua_on_update_from_rust(
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mut scripted_entities: Query<(Entity, &mut LuaScriptData)>,
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scripting_runtime: ResMut<LuaRuntime>,
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) {
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for (entity, mut script_data) in &mut scripted_entities {
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scripting_runtime
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.call_fn("on_update", &mut script_data, entity, ())
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.unwrap();
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}
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}
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