add basic server configuration + password protection

src/server/config.rs

@@ -0,0 +1,39 @@
+use serde::{Deserialize, Serialize};
+
+/// configuration for the server
+#[derive(Debug, Serialize, Deserialize)]
+pub struct ServerConfig {
+	/// the server's name
+	pub name: String,
+	/// the server's motd
+	pub motd: String,
+	/// the server's password, if any
+	pub password: Option<String>,
+	/// the level's size
+	pub level_size: Option<ConfigCoordinates>,
+	/// the level's spawn point
+	pub spawn: Option<ConfigCoordinates>,
+}
+
+impl Default for ServerConfig {
+	fn default() -> Self {
+		Self {
+			name: "classic server wowie".to_string(),
+			motd: "here's the default server motd".to_string(),
+			password: None,
+			level_size: None,
+			spawn: None,
+		}
+	}
+}
+
+/// coordinates as stored in configuration
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct ConfigCoordinates {
+	/// the X coordinate
+	pub x: usize,
+	/// the Y coordinate
+	pub y: usize,
+	/// the Z coordinate
+	pub z: usize,
+}