From 2fd692c24d298f79a6ecf6a0d1cbea07e9b01859 Mon Sep 17 00:00:00 2001
From: griffi-gh <prasol258@gmail.com>
Date: Sun, 15 Jan 2023 01:41:29 +0100
Subject: [PATCH] logging

---
 Cargo.toml                  |  2 ++
 src/game.rs                 |  6 ++++-
 src/game/assets/textures.rs |  2 ++
 src/logging.rs              | 45 +++++++++++++++++++++++++++++++++++++
 src/main.rs                 |  2 ++
 5 files changed, 56 insertions(+), 1 deletion(-)
 create mode 100644 src/logging.rs

diff --git a/Cargo.toml b/Cargo.toml
index 55895b7..023098b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,3 +7,5 @@ edition = "2021"
 glium = "0.32"
 glutin = "*"
 image = { version = "0.24", default_features = false, features = ["png"] }
+log = "0.4"
+env_logger = "0.10"
diff --git a/src/game.rs b/src/game.rs
index 5afd196..0325673 100644
--- a/src/game.rs
+++ b/src/game.rs
@@ -11,10 +11,14 @@ use assets::Assets;
 use display::init_display;
 
 pub fn run() {
+    log::info!("starting up");
     let event_loop = EventLoop::new();
+    log::info!("initializing display");
     let display = init_display(&event_loop);
+    log::info!("loading assets");
     let assets = Assets::load_all_sync(&display);
-    
+    log::info!("game loaded");
+
     event_loop.run(move |ev, _, control_flow| {
         match ev {
             Event::WindowEvent { event, .. } => match event {
diff --git a/src/game/assets/textures.rs b/src/game/assets/textures.rs
index b1e846c..c07e5c5 100644
--- a/src/game/assets/textures.rs
+++ b/src/game/assets/textures.rs
@@ -2,6 +2,8 @@ use std::{fs, io};
 use glium::texture::{RawImage2d, SrgbTexture2d};
 
 fn load_png(file_path: &str, display: &glium::Display) -> SrgbTexture2d {
+    log::info!("loading texture {}", file_path);
+
     //Load file
     let data = fs::read(file_path)
         .expect(&format!("Failed to load texture: {}", file_path));
diff --git a/src/logging.rs b/src/logging.rs
new file mode 100644
index 0000000..29ff50f
--- /dev/null
+++ b/src/logging.rs
@@ -0,0 +1,45 @@
+//! Custom env_logger options and styling
+
+use env_logger::{fmt::Color, Builder, Env};
+use log::Level;
+use std::io::Write;
+
+pub fn init() {
+    let mut env = Env::default();
+    if cfg!(debug_assertions) {
+        env = env.filter_or("RUST_LOG", "info");
+    }
+    Builder::from_env(env)
+        .format(|buf, record| {
+            let mut level_style = buf.style();
+            level_style.set_color(match record.level() {
+                Level::Error => Color::Red,
+                Level::Warn => Color::Yellow,
+                _ => Color::Blue
+            }).set_bold(true);
+
+            let mut location_style = buf.style();
+            location_style.set_bold(true);
+            location_style.set_dimmed(true);
+
+            let mut location_line_style = buf.style();
+            location_line_style.set_dimmed(true);
+
+            writeln!(
+                buf,
+                "{} {:<50}\t{}{}{}",
+                level_style.value(match record.level() {
+                    Level::Error => "[e]",
+                    Level::Warn =>  "[w]",
+                    Level::Info =>  "[i]",
+                    Level::Debug => "[d]",
+                    Level::Trace => "[t]",
+                }),
+                format!("{}", record.args()),
+                location_style.value(record.module_path().unwrap_or("<unknown>")),
+                location_line_style.value(" :"),
+                location_line_style.value(record.line().unwrap_or(0))
+            )
+        })
+        .init();
+}
diff --git a/src/main.rs b/src/main.rs
index 0680567..7f25654 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,5 +1,7 @@
 mod game;
+mod logging;
 
 fn main() {
+    logging::init();
     game::run();
 }