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use crate::constants;
use crate::mass::Mass;
use crate::math::Vector;
use crate::modules::navigation;
#[derive(Serialize, Deserialize, Debug, Clone, Default)]
pub struct Engines {
pub status: Status,
acceleration: Vector,
target_velocity: Option<Vector>,
pub fuel: f64,
}
impl Engines {
pub fn new() -> Engines {
Engines {
status: Status::None,
acceleration: Vector::default(),
target_velocity: None,
fuel: constants::SHIP_ENGINES_FUEL_START,
}
}
pub fn process(&mut self, position: Vector, velocity: Vector, target: Option<&Mass>) {
if self.target_velocity.is_none() && self.status != Status::None {
if self.status == Status::Stopping {
self.target_velocity = Some(Vector::default());
}
if let Some(target) = target {
match self.status {
Status::TowardsTarget => {
self.acceleration = (target.position.clone() - position).unitize()
* constants::SHIP_ENGINES_ACCELERATION;
self.status = Status::None;
}
Status::FollowingTarget => self.target_velocity = Some(target.velocity.clone()),
_ => (),
}
} else {
self.status = Status::None;
}
}
if let Some(target_velocity) = self.target_velocity.clone() {
self.acceleration += target_velocity - velocity;
if self.acceleration == Vector::default() {
self.target_velocity = None;
self.status = Status::None;
}
}
}
pub fn give_received_data(&mut self, recv: String, velocity: Vector) {
let mut acceleration = Vector::default();
match recv.as_str() {
"5" => acceleration.x += constants::SHIP_ENGINES_ACCELERATION,
"0" => acceleration.x -= constants::SHIP_ENGINES_ACCELERATION,
"8" => acceleration.y += constants::SHIP_ENGINES_ACCELERATION,
"2" => acceleration.y -= constants::SHIP_ENGINES_ACCELERATION,
"4" => acceleration.z += constants::SHIP_ENGINES_ACCELERATION,
"6" => acceleration.z -= constants::SHIP_ENGINES_ACCELERATION,
"+" => acceleration = velocity.unitize() * constants::SHIP_ENGINES_ACCELERATION,
"-" => acceleration = velocity.unitize() * -1.0 * constants::SHIP_ENGINES_ACCELERATION,
"s" => self.status = Status::Stopping,
"c" => self.status = Status::FollowingTarget,
"t" => self.status = Status::TowardsTarget,
_ => (),
}
self.acceleration = acceleration;
}
pub fn get_client_data(&self, status: navigation::Status) -> String {
let client_data = ClientData {
has_target: status == navigation::Status::Targeted,
fuel: self.fuel,
};
serde_json::to_string(&client_data).unwrap() + "\n"
}
pub fn take_acceleration(&mut self) -> Vector {
let mut acceleration = self.acceleration.clone();
self.acceleration = Vector::default();
if acceleration.magnitude() >= constants::SHIP_ENGINES_ACCELERATION {
acceleration = acceleration.unitize() * constants::SHIP_ENGINES_ACCELERATION;
}
if self.fuel - acceleration.magnitude() >= 0.0 {
self.fuel -= acceleration.magnitude();
acceleration
} else {
Vector::default()
}
}
}
#[derive(Serialize, Deserialize, Debug, Clone)]
pub struct ClientData {
pub has_target: bool,
pub fuel: f64,
}
#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
pub enum Status {
None,
Stopping,
FollowingTarget,
TowardsTarget,
}
impl Default for Status {
fn default() -> Self {
Status::None
}
}
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