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use crate::constants;
use crate::mass::{Mass, MassType};
use crate::math::ControlSystem;
use crate::math::Vector;
use crate::modules::types::ModuleType;
#[derive(Serialize, Deserialize, Debug, Clone, Default)]
pub struct Tractorbeam {
pub range: f64,
pub status: Status,
strength: f64,
desired_distance: Option<f64>,
control_system: ControlSystem,
}
impl Tractorbeam {
pub fn new() -> Tractorbeam {
Tractorbeam {
range: constants::SHIP_TRACTORBEAM_RANGE,
status: Status::None,
strength: constants::SHIP_TRACTORBEAM_STRENGTH,
desired_distance: None,
control_system: ControlSystem::new(ModuleType::Tractorbeam),
}
}
pub fn process(&mut self, ship_position: Vector, target: &mut Mass) -> bool {
let distance = ship_position.distance_from(target.position.clone());
if self.range < distance {
self.off()
} else {
let direction = target.position.clone() - ship_position.clone();
let acceleration = match self.status {
Status::Push => direction.unitize() * self.strength,
Status::Pull => direction.unitize() * -1.0 * self.strength,
Status::Bring => match self.desired_distance {
Some(desired_distance) => {
direction.unitize()
* self
.control_system
.compute(self.strength, distance, desired_distance)
}
None => Vector::default(),
},
Status::Acquire => {
match target.mass_type {
MassType::Item { .. } => (),
_ => {
self.status = Status::None;
Vector::default();
}
}
if distance > constants::SHIP_TRACTORBEAM_ACQUIRE_RANGE {
direction.unitize()
* self.control_system.compute(
self.strength,
distance,
constants::SHIP_TRACTORBEAM_ACQUIRE_RANGE,
)
} else {
self.status = Status::None;
return true;
}
}
Status::None => Vector::default(),
};
target.effects.give_acceleration(acceleration);
}
false
}
pub fn get_client_data(&self, target: Option<&Mass>) -> String {
let client_data = ClientData {
desired_distance: self.desired_distance,
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) {
let server_recv_data: Result<ServerRecvData, serde_json::Error> =
serde_json::from_str(&recv);
if let Ok(server_recv_data) = server_recv_data {
match server_recv_data.key.as_ref() {
"o" => self.toggle_pull(),
"p" => self.toggle_push(),
"b" => self.toggle_bring(server_recv_data.desired_distance),
"a" => self.toggle_acquire(),
_ => (),
}
}
}
fn toggle_pull(&mut self) {
self.status = match self.status {
Status::Pull => Status::None,
_ => Status::Pull,
}
}
fn toggle_push(&mut self) {
self.status = match self.status {
Status::Push => Status::None,
_ => Status::Push,
}
}
fn toggle_bring(&mut self, desired_distance: Option<f64>) {
self.desired_distance = desired_distance;
self.control_system = ControlSystem::new(ModuleType::Tractorbeam);
self.status = match self.status {
Status::Bring => Status::None,
_ => Status::Bring,
}
}
fn toggle_acquire(&mut self) {
self.control_system = ControlSystem::new(ModuleType::Tractorbeam);
self.status = match self.status {
Status::Acquire => Status::None,
_ => Status::Acquire,
}
}
fn off(&mut self) {
self.status = Status::None
}
}
#[derive(Serialize, Deserialize, Debug, Clone)]
pub struct ClientData {
pub has_target: bool,
pub desired_distance: Option<f64>,
pub status: Status,
}
#[derive(Serialize, Deserialize, Debug, Clone)]
pub struct ServerRecvData {
pub key: String,
pub desired_distance: Option<f64>,
}
#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
pub enum Status {
None,
Push,
Pull,
Bring,
Acquire,
}
impl Default for Status {
fn default() -> Self {
Status::None
}
}
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