Add configuration options

1 files changed, 27 insertions, 1 deletions

diff --git a/src/main.rs b/src/main.rs
index a72b172..11cdcfe 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,5 @@
+pub mod button;
+pub mod config;
 pub mod editor;
 pub mod grid;
 pub mod map_data;
@@ -6,15 +8,39 @@ pub mod svg;
 pub mod tool;
 pub mod transform;
 
+use config::Config;
 use editor::Editor;
 use raylib::prelude::*;
+use std::io;
 use transform::Transform;
 
+pub const CONFIG_FILE: &str = "config.ron";
+
 fn main() {
     let (mut rl, thread) = raylib::init().resizable().title("Hello there!").build();
     rl.set_target_fps(120);
 
-    let mut editor = Editor::new(&mut rl, &thread);
+    // Load the configuration file, if available.
+    let config = match Config::from_file(CONFIG_FILE) {
+        Ok(config) => config,
+        Err(err) => {
+            /* Create a default config file if it doesn't exist, otherwise leave the incorrectly
+             * formatted/corrupted or otherwise unreadable file alone.
+             */
+            let config = Config::default();
+            if err.kind() == io::ErrorKind::NotFound {
+                println!("Could not find a configuration file. Creating default.");
+                config.write_file(CONFIG_FILE);
+            } else {
+                println!("Could not read configuration file: {}", err);
+                println!("Using defaults for this run.");
+            }
+
+            config
+        }
+    };
+
+    let mut editor = Editor::new(&mut rl, &thread, config);
 
     let mut transform = Transform::new();
     let mut last_mouse_pos = rl.get_mouse_position();