Adds support for godot4

Cargo.toml

@@ -21,9 +21,22 @@ categories = [
 [dependencies]
 anyhow = "1"
 chrono = ">= 0.4"
-gdnative-core = ">= 0.9"
 log = ">= 0.4"
 log4rs = "1"
 
+[dependencies.gdnative-core]
+version = ">= 0.9"
+optional = true
+
+[dependencies.godot]
+git = "https://github.com/godot-rust/gdext"
+branch = "master"
+optional = true
+
 [dev-dependencies]
 gdnative = ">= 0.9"
+
+[features]
+default = ["godot3"]
+godot3 = ["gdnative-core"]
+godot4 = ["godot"]

src/appender.rs

@@ -1,5 +1,8 @@
 use chrono::Local;
+#[cfg(feature = "godot3")]
 use gdnative_core::{godot_print, godot_warn};
+#[cfg(feature = "godot4")]
+use godot::log::{godot_print, godot_warn};
 use log::{Level, Record};
 use log4rs::append::Append;
 

src/lib.rs

@@ -2,7 +2,7 @@
 //!
 //! [godot-logger] is a simple logger that prints log messages to the output console inside the
 //! [Godot] game engine. It is built around the logging facade of the [log] crate, and uses the
-//! [`godot_print!`] macro from the [gdnative] bindings.
+//! [`godot_print!`] macro from the [gdnative] or [gdext] bindings.
 //!
 //! It is possible to configure different log levels for different Rust modules, similar to other
 //! popular logging frameworks such as [env_logger] or [log4rs]. Simply provide a list as the second
@@ -12,6 +12,10 @@
 //!
 //! Add [godot-logger] and [log] as dependencies to `Cargo.toml`.
 //!
+//! Enable the feature `godot3` or `godot4` according to your godot version.
+//!
+//! ## godot3
+//!
 //! Then initialize [godot-logger] in the `init` function that is exported by `gdnative`. Pass in a
 //! default log level, and a list with module-level overrides (can be empty).
 //!
@@ -31,6 +35,29 @@
 //! godot_init!(init);
 //! ```
 //!
+//! ## godot4
+//!
+//! ```ignore
+//! use godot::prelude::*;
+//! use godot_logger::GodotLogger;
+//! use log::{Level, LevelFilter};
+//!
+//! struct MyExtension;
+//!
+//! #[gdextension]
+//! unsafe impl ExtensionLibrary for MyExtension {
+//!     fn on_level_init(level: InitLevel) {
+//!         if level == InitLevel::Core {
+//!             GodotLogger::builder()
+//!                 .default_log_level(Level::Info)
+//!                 .add_filter("godot_logger", LevelFilter::Debug)
+//!                 .init();
+//!             log::debug!("Initialized the logger");
+//!         }
+//!     }
+//! }
+//! ```
+//!
 //! The following will appear in the _Output_ console inside Godot:
 //!
 //! ```text
@@ -39,12 +66,19 @@
 //!
 //! [env_logger]: https://crates.io/crates/env_logger
 //! [gdnative]: https://crates.io/crates/gdnative
+//! [gdext]: https://github.com/godot-rust/gdext
 //! [godot-logger]: https://crates.io/crates/godot-logger
 //! [`godot_print!`]: https://docs.rs/gdnative/latest/gdnative/macro.godot_print.html
 //! [log]: https://crates.io/crates/log
 //! [log4rs]: https://crates.io/crates/log4rs
 //! [Godot]: https://godotengine.org/
 
+#[cfg(all(not(feature = "godot3"), not(feature = "godot4")))]
+compile_error!("You need to enable godot3 or godot4 feature");
+
+#[cfg(all(feature = "godot3", feature = "godot4"))]
+compile_error!("You need to enable godot3 or godot4 feature");
+
 pub use crate::builder::*;
 
 mod appender;