scripting: do a bit of code cleanup
This commit is contained in:
parent
747d4dcf19
commit
82c13a7dd2
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@ -120,7 +120,6 @@ impl Iterator for DynamicViewIter {
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continue;
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}
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//let world = unsafe { self.world_ptr.as_ref() };
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let world = self.world_ptr.as_ref();
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self.fetchers = self.queries.iter()
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@ -153,8 +152,6 @@ pub struct ReflectedIterator {
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}
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impl ReflectedIterator {
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#[cfg(feature = "lua")]
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pub fn next_lua<'a>(&mut self, lua: &'a mlua::Lua) -> Option<ReflectedRow<'a>> {
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@ -167,11 +164,6 @@ impl ReflectedIterator {
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.map(|r| NonNull::from(r.deref()));
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}
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/* let mut row = ReflectedRow {
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entity: row.entity,
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row: row.item,
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}; */
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let mut dynamic_row = vec![];
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for d in row.item.iter() {
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let id = d.info.type_id.as_rust();
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@ -1,11 +1,7 @@
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pub mod dynamic_iter;
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use anyhow::anyhow;
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pub use dynamic_iter::*;
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pub mod world;
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use lyra_game::{game::GameStages, plugin::Plugin};
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use lyra_resource::ResourceManager;
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use tracing::{debug, debug_span, error, trace};
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pub use world::*;
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pub mod script;
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@ -20,13 +16,15 @@ pub mod wrappers;
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pub mod proxy;
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pub use proxy::*;
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pub mod system;
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pub use system::*;
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#[cfg(test)]
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mod test;
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use std::{any::TypeId, ptr::NonNull, sync::Mutex};
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use std::{any::TypeId, sync::Mutex};
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use lyra_ecs::{
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query::{Entities, ResMut, View},
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DynamicBundle, World,
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};
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use lyra_reflect::{FromType, Reflect, TypeRegistry};
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@ -38,13 +36,9 @@ pub type LuaContext = Mutex<mlua::Lua>;
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pub const FN_NAME_INTERNAL_REFLECT_TYPE: &str = "__lyra_internal_reflect_type";
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pub const FN_NAME_INTERNAL_REFLECT: &str = "__lyra_internal_reflect";
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use crate::{
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GameScriptExt, ScriptApiProviders, ScriptBorrow, ScriptContexts, ScriptData,
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ScriptDynamicBundle, ScriptError, ScriptHost, ScriptList, ScriptWorldPtr,
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};
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use self::providers::{LyraEcsApiProvider, LyraMathApiProvider, UtilityApiProvider};
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use crate::{ScriptBorrow, ScriptDynamicBundle};
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/// A trait used for registering a Lua type with the world.
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pub trait RegisterLuaType {
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/// Register a type to lua that **is not wrapped**.
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fn register_lua_type<'a, T>(&mut self)
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@ -113,232 +107,4 @@ impl mlua::UserData for ScriptDynamicBundle {
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Ok(())
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});
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}
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}
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/// A system that creates the script contexts in the world as new scripts are found
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pub fn lua_scripts_create_contexts(
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mut host: ResMut<LuaHost>,
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mut contexts: ResMut<ScriptContexts<LuaContext>>,
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mut providers: ResMut<ScriptApiProviders<LuaHost>>,
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view: View<(Entities, &ScriptList<LuaScript>)>,
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) -> anyhow::Result<()> {
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for (en, scripts) in view.into_iter() {
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for script in scripts.iter() {
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if !contexts.has_context(script.id()) {
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let script_data = ScriptData {
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name: script.name().to_string(),
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script_id: script.id(),
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entity: en,
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};
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let script_name = script.name();
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let _span = debug_span!("lua", script = script_name).entered();
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if let Some(script_res) = &script.res_handle().try_data_ref() {
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debug!("Loading script...");
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let mut script_ctx =
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host.load_script(&script_res.bytes, &script_data, &mut providers)?;
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trace!("Finished loading script");
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debug!("Setting up script...");
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host.setup_script(&script_data, &mut script_ctx, &mut providers)?;
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trace!("Finished setting up script");
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contexts.add_context(script.id(), script_ctx);
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} else {
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trace!("Script is not loaded yet, skipping for now");
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}
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}
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}
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}
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Ok(())
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}
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/// A system that triggers a reload of watched script resources.
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///
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/// Note: This only works if the script is watched. See [`lyra_resource::ResourceManager::watch`].
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pub fn lua_scripts_reload_system(
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mut contexts: ResMut<ScriptContexts<LuaContext>>,
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mut resman: ResMut<ResourceManager>,
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view: View<&ScriptList<LuaScript>>,
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) -> anyhow::Result<()> {
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for scripts in view.into_iter() {
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for script in scripts.iter() {
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let handle = script.res_handle();
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if handle.is_watched() {
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let handle_path = handle.path();
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let watch_recv = resman.watcher_event_recv(&handle_path).unwrap();
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match watch_recv.try_recv() {
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Ok(ev) => {
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let evs =
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ev.map_err(|e| anyhow!("Script watcher ran into errors: {:?}", e))?;
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if evs.iter().any(|ev| ev.event.kind.is_modify()) {
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debug!(
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"Detected change of '{}' script, triggering reload",
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handle_path
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);
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contexts.remove_context(script.id()).unwrap();
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resman.reload(handle)?;
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}
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}
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Err(e) => match e {
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lyra_resource::channel::TryRecvError::Empty => {}
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lyra_resource::channel::TryRecvError::Disconnected => {
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resman.stop_watching(&handle_path).unwrap();
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}
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},
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}
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}
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}
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}
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Ok(())
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}
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fn lua_call_script_function(world: &mut World, stage_name: &str) -> anyhow::Result<()> {
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let world_ptr = ScriptWorldPtr::from_ref(&world);
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let mut host = world.get_resource_mut::<LuaHost>();
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let mut contexts = world.get_resource_mut::<ScriptContexts<LuaContext>>();
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let mut providers = world.get_resource_mut::<ScriptApiProviders<LuaHost>>();
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for (en, scripts) in world.view_iter::<(Entities, &ScriptList<LuaScript>)>() {
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for script in scripts.iter() {
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let script_data = ScriptData {
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name: script.name().to_string(),
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script_id: script.id(),
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entity: en,
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};
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if let Some(ctx) = contexts.get_context_mut(script.id()) {
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trace!(
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"Running '{}' function in script '{}'",
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stage_name,
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script.name()
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);
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match host.call_script(
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world_ptr.clone(),
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&script_data,
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ctx,
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&mut providers,
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stage_name,
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) {
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Ok(()) => {}
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Err(e) => match e {
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ScriptError::MluaError(m) => {
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error!("Script '{}' ran into an error: {}", script.name(), m);
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}
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ScriptError::Other(_) => return Err(e.into()),
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},
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}
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}
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}
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}
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Ok(())
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}
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/// This system executes the 'on_update' function of lua scripts in the world. It is meant to run
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/// during the 'GameStages::Update' stage.
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pub fn lua_script_update_stage_system(world: &mut World) -> anyhow::Result<()> {
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lua_call_script_function(world, "on_update")
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}
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/// This system executes the 'on_pre_update' function of lua scripts in the world. It is meant to run
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/// during the 'GameStages::PreUpdate' stage.
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pub fn lua_script_pre_update_stage_system(world: &mut World) -> anyhow::Result<()> {
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lua_call_script_function(world, "on_pre_update")
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}
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/// This system executes the 'on_post_update' function of lua scripts in the world. It is meant to run
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/// during the 'GameStages::PostUpdate' stage.
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pub fn lua_script_post_update_stage_system(world: &mut World) -> anyhow::Result<()> {
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lua_call_script_function(world, "on_post_update")
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}
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/// This system executes the 'on_first' function of lua scripts in the world. It is meant to run
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/// during the 'GameStages::First' stage.
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pub fn lua_script_first_stage_system(world: &mut World) -> anyhow::Result<()> {
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lua_call_script_function(world, "on_first")
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}
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/// This system executes the 'on_last' function of lua scripts in the world. It is meant to run
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/// during the 'GameStages::Last' stage.
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pub fn lua_script_last_stage_system(world: &mut World) -> anyhow::Result<()> {
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lua_call_script_function(world, "on_last")
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}
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#[derive(Default)]
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pub struct LuaScriptingPlugin;
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impl Plugin for LuaScriptingPlugin {
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fn setup(&self, game: &mut lyra_game::game::Game) {
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let world = game.world();
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world.add_resource_default::<TypeRegistry>();
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world.add_resource_default::<LuaHost>();
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world.add_resource_default::<ScriptApiProviders<LuaHost>>();
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world.add_resource_default::<ScriptContexts<LuaContext>>();
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let mut loader = world
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.try_get_resource_mut::<ResourceManager>()
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.expect("Add 'ResourceManager' to the world before trying to add this plugin");
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loader.register_loader::<LuaLoader>();
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drop(loader);
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game.add_script_api_provider::<LuaHost, _>(UtilityApiProvider);
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game.add_script_api_provider::<LuaHost, _>(LyraEcsApiProvider);
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game.add_script_api_provider::<LuaHost, _>(LyraMathApiProvider);
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game.add_system_to_stage(
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GameStages::First,
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"lua_create_contexts",
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lua_scripts_create_contexts,
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&[],
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)
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.add_system_to_stage(
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GameStages::First,
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"lua_reload_scripts",
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lua_scripts_reload_system,
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&["lua_create_contexts"],
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)
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.add_system_to_stage(
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GameStages::First,
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"lua_first_stage",
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lua_script_first_stage_system,
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&["lua_reload_scripts"],
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)
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// cannot depend on 'lua_create_contexts' since it will cause a panic.
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// the staged executor separates the executor of a single stage so this system
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// cannot depend on the other one.
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.add_system_to_stage(
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GameStages::PreUpdate,
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"lua_pre_update",
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lua_script_pre_update_stage_system,
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&[],
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)
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.add_system_to_stage(
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GameStages::Update,
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"lua_update",
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lua_script_update_stage_system,
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&[],
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)
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.add_system_to_stage(
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GameStages::PostUpdate,
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"lua_post_update",
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lua_script_post_update_stage_system,
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&[],
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)
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.add_system_to_stage(
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GameStages::Last,
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"lua_last_stage",
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lua_script_last_stage_system,
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&[],
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);
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}
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}
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}
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@ -0,0 +1,238 @@
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use anyhow::anyhow;
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use lyra_ecs::{query::{Entities, ResMut, View}, World};
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use lyra_game::{game::GameStages, plugin::Plugin};
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use lyra_reflect::TypeRegistry;
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use lyra_resource::ResourceManager;
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use tracing::{debug, debug_span, error, trace};
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use crate::{GameScriptExt, ScriptApiProviders, ScriptContexts, ScriptData, ScriptError, ScriptHost, ScriptList, ScriptWorldPtr};
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use super::{providers::{LyraEcsApiProvider, LyraMathApiProvider, UtilityApiProvider}, LuaContext, LuaHost, LuaLoader, LuaScript};
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/// A system that creates the script contexts in the world as new scripts are found
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pub fn lua_scripts_create_contexts(
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mut host: ResMut<LuaHost>,
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mut contexts: ResMut<ScriptContexts<LuaContext>>,
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mut providers: ResMut<ScriptApiProviders<LuaHost>>,
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view: View<(Entities, &ScriptList<LuaScript>)>,
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) -> anyhow::Result<()> {
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for (en, scripts) in view.into_iter() {
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for script in scripts.iter() {
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if !contexts.has_context(script.id()) {
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let script_data = ScriptData {
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name: script.name().to_string(),
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script_id: script.id(),
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entity: en,
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};
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let script_name = script.name();
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let _span = debug_span!("lua", script = script_name).entered();
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if let Some(script_res) = &script.res_handle().try_data_ref() {
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debug!("Loading script...");
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let mut script_ctx =
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host.load_script(&script_res.bytes, &script_data, &mut providers)?;
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trace!("Finished loading script");
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debug!("Setting up script...");
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host.setup_script(&script_data, &mut script_ctx, &mut providers)?;
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trace!("Finished setting up script");
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contexts.add_context(script.id(), script_ctx);
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} else {
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trace!("Script is not loaded yet, skipping for now");
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}
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}
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}
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}
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Ok(())
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}
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/// A system that triggers a reload of watched script resources.
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///
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/// Note: This only works if the script is watched. See [`lyra_resource::ResourceManager::watch`].
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pub fn lua_scripts_reload_system(
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mut contexts: ResMut<ScriptContexts<LuaContext>>,
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mut resman: ResMut<ResourceManager>,
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view: View<&ScriptList<LuaScript>>,
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) -> anyhow::Result<()> {
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for scripts in view.into_iter() {
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for script in scripts.iter() {
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let handle = script.res_handle();
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if handle.is_watched() {
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let handle_path = handle.path();
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let watch_recv = resman.watcher_event_recv(&handle_path).unwrap();
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match watch_recv.try_recv() {
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Ok(ev) => {
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let evs =
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ev.map_err(|e| anyhow!("Script watcher ran into errors: {:?}", e))?;
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if evs.iter().any(|ev| ev.event.kind.is_modify()) {
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debug!(
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"Detected change of '{}' script, triggering reload",
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handle_path
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);
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contexts.remove_context(script.id()).unwrap();
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resman.reload(handle)?;
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}
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}
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Err(e) => match e {
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lyra_resource::channel::TryRecvError::Empty => {}
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lyra_resource::channel::TryRecvError::Disconnected => {
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resman.stop_watching(&handle_path).unwrap();
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}
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},
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}
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}
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}
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}
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Ok(())
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}
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fn lua_call_script_function(world: &mut World, stage_name: &str) -> anyhow::Result<()> {
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let world_ptr = ScriptWorldPtr::from_ref(&world);
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let mut host = world.get_resource_mut::<LuaHost>();
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let mut contexts = world.get_resource_mut::<ScriptContexts<LuaContext>>();
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let mut providers = world.get_resource_mut::<ScriptApiProviders<LuaHost>>();
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for (en, scripts) in world.view_iter::<(Entities, &ScriptList<LuaScript>)>() {
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for script in scripts.iter() {
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let script_data = ScriptData {
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name: script.name().to_string(),
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script_id: script.id(),
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entity: en,
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};
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if let Some(ctx) = contexts.get_context_mut(script.id()) {
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trace!(
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"Running '{}' function in script '{}'",
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stage_name,
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script.name()
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);
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match host.call_script(
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world_ptr.clone(),
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&script_data,
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ctx,
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&mut providers,
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stage_name,
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) {
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Ok(()) => {}
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Err(e) => match e {
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ScriptError::MluaError(m) => {
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error!("Script '{}' ran into an error: {}", script.name(), m);
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}
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ScriptError::Other(_) => return Err(e.into()),
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},
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}
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}
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}
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}
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Ok(())
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}
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/// This system executes the 'on_update' function of lua scripts in the world. It is meant to run
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/// during the 'GameStages::Update' stage.
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pub fn lua_script_update_stage_system(world: &mut World) -> anyhow::Result<()> {
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lua_call_script_function(world, "on_update")
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}
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/// This system executes the 'on_pre_update' function of lua scripts in the world. It is meant to run
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/// during the 'GameStages::PreUpdate' stage.
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pub fn lua_script_pre_update_stage_system(world: &mut World) -> anyhow::Result<()> {
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lua_call_script_function(world, "on_pre_update")
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}
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/// This system executes the 'on_post_update' function of lua scripts in the world. It is meant to run
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/// during the 'GameStages::PostUpdate' stage.
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pub fn lua_script_post_update_stage_system(world: &mut World) -> anyhow::Result<()> {
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lua_call_script_function(world, "on_post_update")
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}
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/// This system executes the 'on_first' function of lua scripts in the world. It is meant to run
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/// during the 'GameStages::First' stage.
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||||
pub fn lua_script_first_stage_system(world: &mut World) -> anyhow::Result<()> {
|
||||
lua_call_script_function(world, "on_first")
|
||||
}
|
||||
|
||||
/// This system executes the 'on_last' function of lua scripts in the world. It is meant to run
|
||||
/// during the 'GameStages::Last' stage.
|
||||
pub fn lua_script_last_stage_system(world: &mut World) -> anyhow::Result<()> {
|
||||
lua_call_script_function(world, "on_last")
|
||||
}
|
||||
|
||||
#[derive(Default)]
|
||||
pub struct LuaScriptingPlugin;
|
||||
|
||||
impl Plugin for LuaScriptingPlugin {
|
||||
fn setup(&self, game: &mut lyra_game::game::Game) {
|
||||
let world = game.world();
|
||||
|
||||
world.add_resource_default::<TypeRegistry>();
|
||||
|
||||
world.add_resource_default::<LuaHost>();
|
||||
world.add_resource_default::<ScriptApiProviders<LuaHost>>();
|
||||
world.add_resource_default::<ScriptContexts<LuaContext>>();
|
||||
|
||||
let mut loader = world
|
||||
.try_get_resource_mut::<ResourceManager>()
|
||||
.expect("Add 'ResourceManager' to the world before trying to add this plugin");
|
||||
loader.register_loader::<LuaLoader>();
|
||||
drop(loader);
|
||||
|
||||
game.add_script_api_provider::<LuaHost, _>(UtilityApiProvider);
|
||||
game.add_script_api_provider::<LuaHost, _>(LyraEcsApiProvider);
|
||||
game.add_script_api_provider::<LuaHost, _>(LyraMathApiProvider);
|
||||
|
||||
game.add_system_to_stage(
|
||||
GameStages::First,
|
||||
"lua_create_contexts",
|
||||
lua_scripts_create_contexts,
|
||||
&[],
|
||||
)
|
||||
.add_system_to_stage(
|
||||
GameStages::First,
|
||||
"lua_reload_scripts",
|
||||
lua_scripts_reload_system,
|
||||
&["lua_create_contexts"],
|
||||
)
|
||||
.add_system_to_stage(
|
||||
GameStages::First,
|
||||
"lua_first_stage",
|
||||
lua_script_first_stage_system,
|
||||
&["lua_reload_scripts"],
|
||||
)
|
||||
// cannot depend on 'lua_create_contexts' since it will cause a panic.
|
||||
// the staged executor separates the executor of a single stage so this system
|
||||
// cannot depend on the other one.
|
||||
.add_system_to_stage(
|
||||
GameStages::PreUpdate,
|
||||
"lua_pre_update",
|
||||
lua_script_pre_update_stage_system,
|
||||
&[],
|
||||
)
|
||||
.add_system_to_stage(
|
||||
GameStages::Update,
|
||||
"lua_update",
|
||||
lua_script_update_stage_system,
|
||||
&[],
|
||||
)
|
||||
.add_system_to_stage(
|
||||
GameStages::PostUpdate,
|
||||
"lua_post_update",
|
||||
lua_script_post_update_stage_system,
|
||||
&[],
|
||||
)
|
||||
.add_system_to_stage(
|
||||
GameStages::Last,
|
||||
"lua_last_stage",
|
||||
lua_script_last_stage_system,
|
||||
&[],
|
||||
);
|
||||
}
|
||||
}
|
|
@ -164,24 +164,6 @@ impl mlua::UserData for ScriptWorldPtr {
|
|||
let reflect = ty
|
||||
.call_function::<_, ScriptBorrow>(FN_NAME_INTERNAL_REFLECT_TYPE, ())
|
||||
.expect("Type does not implement 'reflect_type' properly");
|
||||
|
||||
//if let Some(data) = reflect.data {
|
||||
/* let res = reflect.reflect_branch.as_resource_unchecked();
|
||||
if let Some(res_ptr) = res.reflect_arc(this.as_mut()) {
|
||||
let reg_type = this.as_ref().get_type::<RegisteredType>(reflect.reflect_branch.reflect_type_id())
|
||||
.unwrap();
|
||||
let proxy = reg_type.get_data::<ReflectLuaProxy>()
|
||||
.expect("Type does not have ReflectLuaProxy as a TypeData");
|
||||
|
||||
//let res = Arc::new(RwLock::new(data.as_any_box()))
|
||||
(proxy.fn_as_uservalue_ref)(lua, res_ptr)
|
||||
.and_then(|ud| ud.into_lua(lua))
|
||||
|
||||
//Ok(mlua::Value::Nil)
|
||||
} else {
|
||||
Ok(mlua::Value::Nil)
|
||||
} */
|
||||
|
||||
|
||||
let res = reflect.reflect_branch.as_resource_unchecked();
|
||||
if let Some(res_ptr) = res.reflect_ptr(this.as_mut()) {
|
||||
|
|
Loading…
Reference in New Issue