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use crate::constants;
use crate::mass::Mass;
use crate::math::Vector;
#[derive(Serialize, Deserialize, Debug, Clone, Default)]
pub struct Tractorbeam {
pub status: TractorbeamStatus,
strength: f64,
desired_distance: Option<f64>,
}
impl Tractorbeam {
pub fn new() -> Tractorbeam {
Tractorbeam {
status: TractorbeamStatus::None,
strength: constants::SHIP_TRACTORBEAM_STRENGTH,
desired_distance: None,
}
}
pub fn process(&mut self) {}
pub fn get_client_data(&self, target: Option<&Mass>) -> String {
let client_data = TractorbeamClientData {
has_target: target.is_some(),
status: self.status.clone(),
};
serde_json::to_string(&client_data).unwrap() + "\n"
}
pub fn give_received_data(&mut self, recv: String) {
match recv.as_str() {
"o" => self.toggle_pull(),
"p" => self.toggle_push(),
"b" => self.toggle_bring(5.0),
_ => (),
}
}
pub fn get_acceleration(&self, ship_position: Vector, target_position: Vector) -> Vector {
let acceleration = ship_position.clone() - target_position.clone();
match self.status {
TractorbeamStatus::Push => acceleration.unitize() * -0.05,
TractorbeamStatus::Pull => acceleration.unitize() * 0.05,
TractorbeamStatus::Bring => match self.desired_distance {
Some(desired_distance) => {
if desired_distance > ship_position.distance_from(target_position) {
acceleration.unitize() * -0.05
//some sort of velocity limiter
//if target.speed_torwards(ship) < 10.0 {
// acceleration.unitize() * -0.05
//} else {
// Vector::default()
//}
} else {
acceleration.unitize() * 0.05
}
}
None => Vector::default(),
},
TractorbeamStatus::None => Vector::default(),
}
}
fn toggle_pull(&mut self) {
self.status = match self.status {
TractorbeamStatus::None => TractorbeamStatus::Pull,
TractorbeamStatus::Push => TractorbeamStatus::Pull,
TractorbeamStatus::Bring => TractorbeamStatus::Pull,
TractorbeamStatus::Pull => TractorbeamStatus::None,
}
}
fn toggle_push(&mut self) {
self.status = match self.status {
TractorbeamStatus::None => TractorbeamStatus::Push,
TractorbeamStatus::Pull => TractorbeamStatus::Push,
TractorbeamStatus::Bring => TractorbeamStatus::Push,
TractorbeamStatus::Push => TractorbeamStatus::None,
}
}
fn toggle_bring(&mut self, desired_distance: f64) {
self.desired_distance = Some(desired_distance);
self.status = match self.status {
TractorbeamStatus::None => TractorbeamStatus::Bring,
TractorbeamStatus::Pull => TractorbeamStatus::Bring,
TractorbeamStatus::Push => TractorbeamStatus::Bring,
TractorbeamStatus::Bring => TractorbeamStatus::None,
}
}
}
#[derive(Serialize, Deserialize, Debug, Clone)]
pub struct TractorbeamClientData {
pub has_target: bool,
pub status: TractorbeamStatus,
}
#[derive(Serialize, Deserialize, Debug, Clone)]
pub enum TractorbeamStatus {
None,
Push,
Pull,
Bring,
}
impl Default for TractorbeamStatus {
fn default() -> Self {
TractorbeamStatus::None
}
}
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