Vendor dependencies for 0.3.0 release

vendor/bevy_diagnostic/src/lib.rs

@@ -0,0 +1,52 @@
+#![expect(missing_docs, reason = "Not all docs are written yet, see #3492.")]
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+#![forbid(unsafe_code)]
+#![doc(
+    html_logo_url = "https://bevyengine.org/assets/icon.png",
+    html_favicon_url = "https://bevyengine.org/assets/icon.png"
+)]
+#![no_std]
+
+//! This crate provides a straightforward solution for integrating diagnostics in the [Bevy game engine](https://bevyengine.org/).
+//! It allows users to easily add diagnostic functionality to their Bevy applications, enhancing
+//! their ability to monitor and optimize their game's.
+
+#[cfg(feature = "std")]
+extern crate std;
+
+extern crate alloc;
+
+mod diagnostic;
+mod entity_count_diagnostics_plugin;
+mod frame_count_diagnostics_plugin;
+mod frame_time_diagnostics_plugin;
+mod log_diagnostics_plugin;
+#[cfg(feature = "sysinfo_plugin")]
+mod system_information_diagnostics_plugin;
+
+pub use diagnostic::*;
+
+pub use entity_count_diagnostics_plugin::EntityCountDiagnosticsPlugin;
+pub use frame_count_diagnostics_plugin::{update_frame_count, FrameCount, FrameCountPlugin};
+pub use frame_time_diagnostics_plugin::FrameTimeDiagnosticsPlugin;
+pub use log_diagnostics_plugin::LogDiagnosticsPlugin;
+#[cfg(feature = "sysinfo_plugin")]
+pub use system_information_diagnostics_plugin::{SystemInfo, SystemInformationDiagnosticsPlugin};
+
+use bevy_app::prelude::*;
+
+/// Adds core diagnostics resources to an App.
+#[derive(Default)]
+pub struct DiagnosticsPlugin;
+
+impl Plugin for DiagnosticsPlugin {
+    fn build(&self, app: &mut App) {
+        app.init_resource::<DiagnosticsStore>();
+
+        #[cfg(feature = "sysinfo_plugin")]
+        app.init_resource::<SystemInfo>();
+    }
+}
+
+/// Default max history length for new diagnostics.
+pub const DEFAULT_MAX_HISTORY_LENGTH: usize = 120;