From 7844c15a77d73ed4ca1660fe7e00d87290e2b1b8 Mon Sep 17 00:00:00 2001 From: Jay Oster Date: Mon, 28 Oct 2019 01:03:03 -0700 Subject: [PATCH] Add gamepad support (#28) * Add gamepad support * Try to fix the build --- .travis.yml | 2 + Cargo.lock | 208 ++++++++++++++++++++++++++++++++++++++ Cargo.toml | 1 + examples/invaders/main.rs | 45 +++++++-- 4 files changed, 250 insertions(+), 6 deletions(-) diff --git a/.travis.yml b/.travis.yml index 4ebfa8c..2e839b1 100644 --- a/.travis.yml +++ b/.travis.yml @@ -14,6 +14,8 @@ matrix: before_script: - rustup component add clippy - rustup component add rustfmt +- sudo apt-get update +- sudo apt-get -y install libudev-dev script: - cargo clippy --all -- -D warnings diff --git a/Cargo.lock b/Cargo.lock index cb78aad..bcedc6b 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -94,6 +94,11 @@ dependencies = [ "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)", ] +[[package]] +name = "base-x" +version = "0.2.6" +source = "registry+https://github.com/rust-lang/crates.io-index" + [[package]] name = "bitflags" version = "1.2.1" @@ -222,6 +227,11 @@ dependencies = [ "syn 0.15.44 (registry+https://github.com/rust-lang/crates.io-index)", ] +[[package]] +name = "discard" +version = "1.0.4" +source = "registry+https://github.com/rust-lang/crates.io-index" + [[package]] name = "dispatch" version = "0.1.4" @@ -272,6 +282,11 @@ dependencies = [ "synstructure 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)", ] +[[package]] +name = "fnv" +version = "1.0.6" +source = "registry+https://github.com/rust-lang/crates.io-index" + [[package]] name = "foreign-types" version = "0.3.2" @@ -411,6 +426,37 @@ dependencies = [ "fxhash 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)", ] +[[package]] +name = "gilrs" +version = "0.7.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +dependencies = [ + "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)", + "gilrs-core 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)", + "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)", + "stdweb 0.4.20 (registry+https://github.com/rust-lang/crates.io-index)", + "uuid 0.7.4 (registry+https://github.com/rust-lang/crates.io-index)", + "vec_map 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)", +] + +[[package]] +name = "gilrs-core" +version = "0.2.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +dependencies = [ + "core-foundation 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)", + "io-kit-sys 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)", + "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)", + "libudev-sys 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)", + "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)", + "nix 0.11.1 (registry+https://github.com/rust-lang/crates.io-index)", + "rusty-xinput 1.2.0 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gilrs::{Button, Gilrs}; +use log::debug; use pixels::{Error, Pixels, SurfaceTexture}; use simple_invaders::{Controls, Direction, World, SCREEN_HEIGHT, SCREEN_WIDTH}; use winit::dpi::{LogicalPosition, LogicalSize, PhysicalSize}; @@ -12,6 +14,7 @@ fn main() -> Result<(), Error> { env_logger::init(); let event_loop = EventLoop::new(); let mut input = WinitInputHelper::new(); + let mut gilrs = Gilrs::new().unwrap(); // Enable debug mode with `DEBUG=true` environment variable let debug = env::var("DEBUG") @@ -25,6 +28,7 @@ fn main() -> Result<(), Error> { let mut pixels = Pixels::new(SCREEN_WIDTH as u32, SCREEN_HEIGHT as u32, surface_texture)?; let mut invaders = World::new(debug); let mut time = Instant::now(); + let mut gamepad = None; event_loop.run(move |event, _, control_flow| { // The one and only event that winit_input_helper doesn't have for us... @@ -37,6 +41,18 @@ fn main() -> Result<(), Error> { pixels.render(); } + // Pump the gilrs event loop and find an active gamepad + while let Some(gilrs::Event { id, event, .. }) = gilrs.next_event() { + let pad = gilrs.gamepad(id); + if gamepad.is_none() { + debug!("Gamepad with id {} is connected: {}", id, pad.name()); + gamepad = Some(id); + } else if event == gilrs::ev::EventType::Disconnected { + debug!("Gamepad with id {} is disconnected: {}", id, pad.name()); + gamepad = None; + } + } + // For everything else, for let winit_input_helper collect events to build its state. // It returns `true` when it is time to update our game state and request a redraw. if input.update(event) { @@ -46,16 +62,33 @@ fn main() -> Result<(), Error> { return; } - // Keyboard controls - let controls = Controls { - direction: if input.key_held(VirtualKeyCode::Left) { + let controls = { + // Keyboard controls + let mut left = input.key_held(VirtualKeyCode::Left); + let mut right = input.key_held(VirtualKeyCode::Right); + let mut fire = input.key_pressed(VirtualKeyCode::Space); + + // Gamepad controls + if let Some(id) = gamepad { + let gamepad = gilrs.gamepad(id); + + left = left || gamepad.is_pressed(Button::DPadLeft); + right = right || gamepad.is_pressed(Button::DPadRight); + fire = fire + || gamepad.button_data(Button::South).map_or(false, |button| { + button.is_pressed() && button.counter() == gilrs.counter() + }); + } + + let direction = if left { Direction::Left - } else if input.key_held(VirtualKeyCode::Right) { + } else if right { Direction::Right } else { Direction::Still - }, - fire: input.key_pressed(VirtualKeyCode::Space), + }; + + Controls { direction, fire } }; // Adjust high DPI factor