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use crate::{core::math, info, input, Error};
use crate::backend::HeadMountedDevice;
use psvr;
const PSVR_HDMI_MONITOR_NAME: &'static str = "SIE HMD *08";
const HMD_RESOLUTION_HORIZONTAL: u32 = 1920;
const HMD_RESOLUTION_VERTICAL: u32 = 1080;
const LENS_RESOLUTION_HORIZONTAL: u32 = HMD_RESOLUTION_HORIZONTAL / 2;
const LENS_RESOLUTION_VERTICAL: u32 = HMD_RESOLUTION_VERTICAL;
fn psvr_properties() -> info::Properties {
let lens = info::Lens {
resolution: (LENS_RESOLUTION_HORIZONTAL, LENS_RESOLUTION_VERTICAL),
field_of_view: info::FieldOfView {
horizontal: info::FieldOfViewAxis {
minimum_degrees: 100.0,
maximum_degrees: 100.0,
recommended_degrees: 100.0,
},
vertical: info::FieldOfViewAxis {
minimum_degrees: 68.0,
maximum_degrees: 68.0,
recommended_degrees: 68.0,
},
},
distortion_coefficients: vec![0.247, -0.145, 0.103, 0.795],
chromatic_aberration_factors: info::ChromaticAberrationFactors::no_adjustments(),
};
let visuals = info::Visuals::LensBased {
left: lens.clone(), right: lens,
lens_separation: info::Distance {
micrometers: 63_100,
},
lens_to_eye_distance: info::Distance {
micrometers: 39_480,
},
screen_to_lens_distance: info::Distance {
micrometers: 35_400,
},
};
info::Properties {
display_info: info::DisplayInfo {
monitor_name: PSVR_HDMI_MONITOR_NAME.to_owned(),
physical_size_millimeters: Some((160, 90)),
supported_resolutions: vec![
(HMD_RESOLUTION_HORIZONTAL, HMD_RESOLUTION_VERTICAL),
],
},
visuals
}
}
pub struct Psvr {
psvr: psvr::Psvr,
latest_sensor_readout: Option<psvr::sensor::Readout>,
headset_properties: info::Properties,
}
impl Psvr {
pub fn underlying(&self) -> &psvr::Psvr { &self.psvr }
pub fn underlying_mut(&mut self) -> &mut psvr::Psvr { &mut self.psvr }
}
impl HeadMountedDevice for Psvr {
fn product_name(&self) -> &'static str {
"PlayStation VR"
}
fn orientation(&self) -> math::Quaternion {
self.psvr.orientation()
}
fn button(&self, button: input::Button) -> input::ButtonState {
match button {
input::Button::VolumeUp => button_from_readout(&self.latest_sensor_readout, |r| r.buttons.plus),
input::Button::VolumeDown => button_from_readout(&self.latest_sensor_readout, |r| r.buttons.minus),
input::Button::Mute => button_from_readout(&self.latest_sensor_readout, |r| r.buttons.mute),
}
}
fn properties(&self) -> &info::Properties {
&self.headset_properties
}
fn update(&mut self) -> Result<(), Error> {
let sensor_readout = self.psvr.receive_sensor()?;
self.latest_sensor_readout = Some(sensor_readout);
Ok(())
}
fn power_on(&mut self) -> Result<(), Error> {
self.psvr.power_on()?;
self.psvr.vr_mode()?;
self.psvr.vr_tracking()?;
Ok(())
}
fn power_off(&mut self) -> Result<(), Error> {
self.psvr.power_off()
}
}
impl From<psvr::Psvr> for Psvr {
fn from(psvr: psvr::Psvr) -> Self {
Psvr {
latest_sensor_readout: None,
psvr,
headset_properties: psvr_properties(),
}
}
}
fn button_from_readout<F>(readout: &Option<psvr::sensor::Readout>, f: F) -> input::ButtonState
where F: Fn(&psvr::sensor::Readout) -> bool {
match readout.as_ref() {
Some(readout) => if f(readout) { input::ButtonState::Pressed } else { input::ButtonState::NotPressed },
None => input::ButtonState::NotPressed
}
}
#[cfg(test)]
mod test {
mod display_discovery {
use super::super::psvr_properties;
use crate::info::*;
fn example_psvr_physical_monitors() -> Vec<DisplayInfo> {
vec![
DisplayInfo {
monitor_name: "SIE HMD *08 (with EDID patch)".to_owned(),
physical_size_millimeters: Some((160, 90)),
supported_resolutions: vec![
(1920, 1080),
],
},
]
}
#[test]
fn matches_all_known_physical_monitors() {
let properties = psvr_properties();
for physical_monitor in example_psvr_physical_monitors() {
assert_eq!(properties.display_info, physical_monitor);
}
}
#[test]
fn doesnt_match_when_both_physical_sizes_inconsistent() {
let properties = psvr_properties();
for mut physical_monitor in example_psvr_physical_monitors() {
physical_monitor.physical_size_millimeters = Some((200, 200));
assert!(properties.display_info != physical_monitor);
}
}
}
}