Files
voxel-game/src/client/handle_input.rs

125 lines
4.4 KiB
Rust

use std::time::Duration;
use nalgebra::Rotation3;
use ndarray::Array3;
use winit::{keyboard::KeyCode as Key, window::CursorGrabMode};
use crate::common::{component::{chunk, VoxelGrid, VoxelGridBundle}, ServerMessage};
use super::{render::voxel::VoxelColor, Client};
impl Client<'_> {
pub fn handle_input(&mut self, dt: &Duration) {
let dt = dt.as_secs_f32();
let Client {
input,
state,
window,
..
} = self;
// cursor lock
if input.just_pressed(Key::Escape) {
self.grabbed_cursor = !self.grabbed_cursor;
if self.grabbed_cursor {
window.set_cursor_visible(false);
window
.set_cursor_grab(CursorGrabMode::Locked)
.or_else(|_| window.set_cursor_grab(CursorGrabMode::Confined))
.expect("cursor lock");
} else {
window.set_cursor_visible(true);
window
.set_cursor_grab(CursorGrabMode::None)
.expect("cursor unlock");
};
return;
}
// camera orientation
let old_camera = state.camera;
if self.grabbed_cursor {
let delta = input.mouse_delta * 0.003 / state.camera.scale;
if delta.x != 0.0 {
state.camera.orientation = Rotation3::from_axis_angle(&state.camera.up(), delta.x)
* state.camera.orientation;
}
if delta.y != 0.0 {
state.camera.orientation =
Rotation3::from_axis_angle(&state.camera.right(), delta.y)
* state.camera.orientation;
}
}
let rot_dist = 1.0 * dt;
if input.pressed(Key::KeyQ) {
state.camera.orientation =
Rotation3::from_axis_angle(&state.camera.forward(), rot_dist)
* state.camera.orientation;
}
if input.pressed(Key::KeyE) {
state.camera.orientation =
Rotation3::from_axis_angle(&state.camera.forward(), -rot_dist)
* state.camera.orientation;
}
state.camera.orientation.renormalize();
// zoom
if input.scroll_delta != 0.0 {
if input.pressed(Key::ControlLeft) {
state.camera_scroll += input.scroll_delta;
state.camera.scale = (state.camera_scroll * 0.2).exp();
} else {
state.speed += input.scroll_delta * 0.2;
}
}
// camera position
let move_dist = dt * state.speed.exp() * (chunk::SIDE_LENGTH / 16) as f32;
if input.pressed(Key::KeyW) {
state.camera.pos += *state.camera.forward() * move_dist;
}
if input.pressed(Key::KeyA) {
state.camera.pos += *state.camera.left() * move_dist;
}
if input.pressed(Key::KeyS) {
state.camera.pos += *state.camera.backward() * move_dist;
}
if input.pressed(Key::KeyD) {
state.camera.pos += *state.camera.right() * move_dist;
}
if input.pressed(Key::Space) {
state.camera.pos += *state.camera.up() * move_dist;
}
if input.pressed(Key::ShiftLeft) {
state.camera.pos += *state.camera.down() * move_dist;
}
if state.camera != old_camera {
self.render_commands
.push(super::render::RenderCommand::ViewUpdate(state.camera));
}
// fun
if input.just_pressed(Key::KeyF) {
self.server
.send(ServerMessage::SpawnVoxelGrid(VoxelGridBundle {
pos: (state.camera.pos + 135.0 * 2.0 * *state.camera.forward()).into(),
orientation: state.camera.orientation.into(),
grid: VoxelGrid::new(Array3::from_shape_fn((135, 135, 135), |(x, y, z)| {
if x == 0 || y == 0 || z == 0 || x == 134 || y == 134 || z == 134 {
VoxelColor::white()
} else {
VoxelColor::none()
}
})),
}));
}
if input.just_pressed(Key::KeyR) {
self.renderer.update_shader();
}
if input.just_pressed(Key::KeyT) {
self.renderer.reset_shader();
}
}
}