settings module

src/main.rs

@@ -10,6 +10,7 @@ mod model;
 mod zeroes;
 mod worker;
 mod physics;
+mod settings;
 mod framework;
 mod primitives;
 mod instruction;

src/settings.rs

@@ -0,0 +1,33 @@
+enum DerivedFov{
+	FromScreenAspect,
+	FromAspect{num:u32,den:u32},
+}
+enum Fov{
+	Exactly{x:f32,y:f32},
+	DeriveX{x:DerivedFov,y:f32},
+	DeriveY{x:f32,y:DerivedFov},
+}
+
+struct DerivedSensitivity{
+	ratio:f32,
+}
+enum Sensitivity{
+	Exactly{x:f32,y:f32},
+	DeriveX{x:DerivedSensitivity,y:f32},
+	DeriveY{x:f32,y:DerivedSensitivity},
+}
+
+pub struct UserSettings{
+	fov:Fov,
+	sensitivity:Sensitivity,
+}
+
+pub fn read_user_settings(){
+	let mut sensitivity=1.0/1024.0;
+	if let Ok(file)=std::fs::File::open("settings.conf"){
+		let cfg=configparser::ini::Ini::new();
+		if let Ok(Some(sens))=cfg.getfloat("user","sensitivity_x"){
+			sensitivity=sens;
+		}
+	}
+}