consolidate imports

src/lib.rs

@@ -2,6 +2,9 @@
 
 #[macro_use] extern crate gfx;
 #[macro_use] extern crate log;
+extern crate nalgebra as na;
+extern crate num_traits;
+extern crate piston;
 
 pub mod arena;
 pub mod ega;

src/scene.rs

@@ -1,11 +1,9 @@
+use gfx;
+use na;
+use piston;
 use view;
 use vr;
 
-extern crate gfx;
-extern crate gfx_device_gl;
-extern crate nalgebra as na;
-extern crate piston_window;
-
 pub trait Scene<D: gfx::Device,
                 F: gfx::Factory<D::Resources>> {
   fn event(&mut self, event: Event);
@@ -24,5 +22,5 @@ pub trait Scene<D: gfx::Device,
 
 pub enum Event {
   Vr(vr::Event),
-  Piston(piston_window::Input),
+  Piston(piston::input::Input),
 }

src/scenes/world.rs

@@ -5,22 +5,17 @@ use vr;
 use world as model;
 use world::HasMap;
 
-extern crate gfx;
 extern crate memmap;
-extern crate nalgebra as na;
-extern crate num_traits;
-extern crate openvr_sys;
-extern crate piston;
 
 use std::collections::BTreeMap;
 use std::marker::PhantomData;
 use std::time::SystemTime;
 
-use gfx::tex;
+use gfx::{self, tex};
 use gfx::traits::FactoryExt;
-use self::na::ToHomogeneous;
-use self::num_traits::identities::One;
-use self::piston::input::{Button, Input, Key};
+use na::{self, ToHomogeneous};
+use num_traits::identities::One;
+use piston::input::{Button, Input, Key};
 
 const PI: f32 = ::std::f32::consts::PI;
 const TWO_PI_CIRC: f32 = 2.0 * PI / 256.0;
@@ -140,7 +135,7 @@ pub struct WorldScene<D: gfx::Device,
 
   start_time: SystemTime,
   treadmills: (f32, f32),
-  pads: BTreeMap<u32, (TrackMode, Option<openvr_sys::VRControllerState_t>)>,
+  pads: BTreeMap<u32, (TrackMode, Option<vr::VRControllerState_t>)>,
 
   _worldmap: model::World,
   lat: u8,

src/tile.rs

@@ -1,13 +1,11 @@
-extern crate gfx;
-
 use ega;
 
 use ::std;
 use std::io::Read;
 use std::path::Path;
 
-use self::gfx::{CommandBuffer, Typed};
-use self::gfx::tex;
+use gfx::{self, CommandBuffer, Typed};
+use gfx::tex;
 
 const TILEDIM: u16 = 16;
 

src/view.rs

@@ -1,15 +1,12 @@
-use vr;
-use vr::{AsMatrix4, VR};
+use vr::{self, AsMatrix4, VR};
 
 extern crate gfx_device_gl;
-extern crate nalgebra as na;
-extern crate num_traits;
 extern crate piston_window;
 
 use gfx;
 use gfx::Device;
 use gfx::traits::FactoryExt;
-use self::na::{Inverse, ToHomogeneous};
+use na::{self, Inverse, ToHomogeneous};
 use self::piston_window::{PistonWindow, Window};
 
 pub type ColorFormat = gfx::format::Srgba8;

src/vr.rs

@@ -1,19 +1,17 @@
-extern crate gfx;
 extern crate gfx_device_gl;
-extern crate nalgebra as na;
-extern crate num_traits;
 extern crate openvr as vr;
 extern crate openvr_sys;
 
 pub use self::vr::Eye;
 pub use self::vr::common::Size;
-pub use self::vr::tracking::{TrackedDeviceClass, TrackedDevicePoses};
+pub use self::openvr_sys::VRControllerState_t;
+
+use gfx::{self, tex, Factory, Typed};
+use na::{self, Inverse};
+use num_traits::identities::Zero;
+use num_traits::identities::One;
 
-use self::gfx::{tex, Factory, Typed};
 use self::gfx_device_gl::Resources as GLResources;
-use self::na::Inverse;
-use self::num_traits::identities::Zero;
-use self::num_traits::identities::One;
 use self::openvr_sys::{VREvent_Controller_t, VREvent_t};
 
 pub struct VR {

src/world.rs

@@ -1,4 +1,3 @@
-extern crate core;
 extern crate itertools;
 
 use self::itertools::Itertools;