Use logger to log commands in debug mode

Cargo.lock

@@ -2,6 +2,17 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "atty"
+version = "0.2.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
+dependencies = [
+ "hermit-abi",
+ "libc",
+ "winapi",
+]
+
 [[package]]
 name = "autocfg"
 version = "1.1.0"
@@ -35,7 +46,18 @@ dependencies = [
  "libc",
  "num-integer",
  "num-traits",
- "time",
+ "time 0.1.43",
+ "winapi",
+]
+
+[[package]]
+name = "colored"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b3616f750b84d8f0de8a58bda93e08e2a81ad3f523089b05f1dffecab48c6cbd"
+dependencies = [
+ "atty",
+ "lazy_static",
  "winapi",
 ]
 
@@ -59,6 +81,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "itoa"
+version = "1.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fad582f4b9e86b6caa621cabeb0963332d92eea04729ab12892c2533951e6440"
+
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -137,6 +165,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "num_threads"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2819ce041d2ee131036f4fc9d6ae7ae125a3a40e97ba64d04fe799ad9dabbb44"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "parking_lot"
 version = "0.12.0"
@@ -258,6 +295,12 @@ dependencies = [
  "version-compare",
 ]
 
+[[package]]
+name = "serde"
+version = "1.0.151"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "97fed41fc1a24994d044e6db6935e69511a1153b52c15eb42493b26fa87feba0"
+
 [[package]]
 name = "signal-hook-registry"
 version = "1.4.0"
@@ -267,6 +310,19 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "simple_logger"
+version = "4.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e190a521c2044948158666916d9e872cbb9984f755e9bb3b5b75a836205affcd"
+dependencies = [
+ "atty",
+ "colored",
+ "log",
+ "time 0.3.17",
+ "windows-sys 0.42.0",
+]
+
 [[package]]
 name = "smallvec"
 version = "1.8.0"
@@ -304,6 +360,35 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "time"
+version = "0.3.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a561bf4617eebd33bca6434b988f39ed798e527f51a1e797d0ee4f61c0a38376"
+dependencies = [
+ "itoa",
+ "libc",
+ "num_threads",
+ "serde",
+ "time-core",
+ "time-macros",
+]
+
+[[package]]
+name = "time-core"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2e153e1f1acaef8acc537e68b44906d2db6436e2b35ac2c6b42640fff91f00fd"
+
+[[package]]
+name = "time-macros"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d967f99f534ca7e495c575c62638eebc2898a8c84c119b89e250477bc4ba16b2"
+dependencies = [
+ "time-core",
+]
+
 [[package]]
 name = "tokio"
 version = "1.23.0"
@@ -486,7 +571,9 @@ name = "winelounge"
 version = "0.1.0"
 dependencies = [
  "chrono",
+ "log",
  "rand",
  "sdl2",
+ "simple_logger",
  "tokio",
 ]

Cargo.toml

@@ -8,8 +8,10 @@ default-run = "winelounge"
 
 [dependencies]
 chrono = "0.4"
+log = { version = "0.4", features = ["max_level_debug", "release_max_level_warn"] }
 rand = "0.8"
 sdl2 = { version = "0.35", features = ["image", "ttf"] }
+simple_logger = { version = "4", features = ["colors", "timestamps"], default-features = false }
 tokio = { version = "1.19", features = ["full"], default-features = false }
 
 [profile.release]

src/main.rs

@@ -16,6 +16,8 @@ mod net;
 const GLASS_SPACE: u8 = 5;
 
 fn main() {
+    simple_logger::SimpleLogger::new().env().init().unwrap();
+
     let sdl_context = sdl2::init().unwrap();
     let video_subsystem = sdl_context.video().unwrap();
 

src/world.rs

@@ -1,3 +1,4 @@
+use log::debug;
 use sdl2::event::Event;
 use sdl2::keyboard::Keycode;
 use sdl2::pixels::Color;
@@ -107,7 +108,7 @@ impl World {
 
     /// Executes a command for world update.
     pub fn execute_command(&mut self, command: Command) {
-        println!("{}", command);
+        debug!("{}", command);
 
         match command {
             Command::SpawnPlayer(player_id, x, y) => &mut {