754 lines
29 KiB
Rust
754 lines
29 KiB
Rust
// ▄████████▄ + ███ + ▄█████████ ███ +
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// ███▀ ▀███ + + ███ ███▀ + ███ + +
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// ███ + ███ ███ ███ █████████ ███ ███ ███ ███
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// ███ +███ ███ ███ ███ ███▐██████ ███ ███ ███
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// ███ + ███ ███+ ███ +███ ███ + ███ ███ + ███
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// ███▄ ▄███ ███▄ ███ ███ + ███ + ███ ███▄ ███
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// ▀████████▀ + ▀███████ ███▄ ███▄ ▀████ ▀███████
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// + + + ███
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// + ▀████████████████████████████████████████████████████▀
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//
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// This module populates the world with actors as defined in "defs.txt"
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extern crate regex;
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use bevy::prelude::*;
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use bevy_xpbd_3d::prelude::*;
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use bevy::math::DVec3;
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use bevy::pbr::{NotShadowCaster, NotShadowReceiver};
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use crate::{actor, camera, chat, hud, nature, shading, skeleton, var, world};
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use regex::Regex;
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use std::f32::consts::PI;
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use std::f64::consts::PI as PI64;
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pub struct CommandsPlugin;
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impl Plugin for CommandsPlugin {
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fn build(&self, app: &mut App) {
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app.add_systems(Startup, load_defs);
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app.add_systems(Update, spawn_entities);
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app.add_systems(PreUpdate, hide_colliders
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.run_if(any_with_component::<NeedsSceneColliderRemoved>));
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app.add_event::<SpawnEvent>();
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}
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}
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#[derive(Component)] pub struct NeedsSceneColliderRemoved;
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#[derive(Event)] pub struct SpawnEvent(ParserState);
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#[derive(PartialEq, Clone)]
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enum DefClass {
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Actor,
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None,
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}
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#[derive(Clone)]
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struct ParserState {
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class: DefClass,
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// Generic fields
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name: Option<String>,
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chat: String,
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// Actor fields
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id: String,
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pos: DVec3,
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relative_to: Option<String>,
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model: Option<String>,
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model_scale: f32,
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rotation: Quat,
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velocity: DVec3,
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angular_momentum: DVec3,
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pronoun: Option<String>,
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is_sphere: bool,
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is_player: bool,
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is_lifeform: bool,
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is_alive: bool,
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is_suited: bool,
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is_vehicle: bool,
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is_clickable: bool,
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is_targeted_on_startup: bool,
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is_sun: bool,
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is_moon: bool,
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is_point_of_interest: bool,
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has_physics: bool,
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has_ring: bool,
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wants_maxrotation: Option<f64>,
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wants_maxvelocity: Option<f64>,
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collider_is_mesh: bool,
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collider_is_one_mesh_of_scene: bool,
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thrust_forward: f32,
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thrust_sideways: f32,
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thrust_back: f32,
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reaction_wheels: f32,
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warmup_seconds: f32,
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engine_type: actor::EngineType,
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oxygen: f32,
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density: f64,
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collider: Collider,
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camdistance: f32,
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suit_integrity: f32,
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light_brightness: f32,
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light_color: Option<Color>,
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ar_model: Option<String>,
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show_only_in_map_at_distance: Option<(f64, String)>,
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}
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impl Default for ParserState {
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fn default() -> Self {
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let default_actor = actor::Actor::default();
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let default_engine = actor::Engine::default();
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Self {
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class: DefClass::None,
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name: None,
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chat: "".to_string(),
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id: "".to_string(),
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pos: DVec3::new(0.0, 0.0, 0.0),
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relative_to: None,
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model: None,
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model_scale: 1.0,
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rotation: Quat::IDENTITY,
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velocity: DVec3::splat(0.0),
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angular_momentum: DVec3::new(0.03, 0.3, 0.09),
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pronoun: None,
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is_sphere: false,
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is_player: false,
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is_lifeform: false,
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is_alive: false,
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is_suited: false,
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is_vehicle: false,
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is_clickable: true,
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is_targeted_on_startup: false,
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is_sun: false,
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is_moon: false,
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is_point_of_interest: false,
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has_physics: true,
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has_ring: false,
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wants_maxrotation: None,
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wants_maxvelocity: None,
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collider_is_mesh: false,
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collider_is_one_mesh_of_scene: false,
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thrust_forward: default_engine.thrust_forward,
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thrust_sideways: default_engine.thrust_forward,
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thrust_back: default_engine.thrust_back,
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reaction_wheels: default_engine.reaction_wheels,
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warmup_seconds: default_engine.warmup_seconds,
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engine_type: default_engine.engine_type,
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oxygen: nature::OXY_D,
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density: 100.0,
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collider: Collider::sphere(1.0),
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camdistance: default_actor.camdistance,
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suit_integrity: 1.0,
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light_brightness: 0.0,
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light_color: None,
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ar_model: None,
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show_only_in_map_at_distance: None,
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}
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}
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}
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pub fn load_defs(
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mut ew_spawn: EventWriter<SpawnEvent>,
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) {
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let re1 = Regex::new(r"^\s*([a-z_-]+)\s+(.*)$").unwrap();
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let re2 = Regex::new("\"([^\"]*)\"|(-?[0-9]+[0-9e-]*(?:\\.[0-9e-]+)?)|([a-zA-Z_-][a-zA-Z0-9_-]*)").unwrap();
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let defs_string = include_str!("data/defs.txt");
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let mut lines = defs_string.lines();
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let mut state = ParserState::default();
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let mut command;
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let mut parameters;
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let mut line_nr = -1;
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while let Some(line) = lines.next() {
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line_nr += 1;
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let caps = re1.captures(line);
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if caps.is_none() {
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if line.trim() != "" {
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error!("Syntax Error in definitions line {}: `{}`", line_nr, line);
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}
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continue;
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}
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if let Some(caps) = caps {
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command = caps.get(1).unwrap().as_str();
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parameters = caps.get(2).unwrap().as_str();
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}
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else {
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error!("Failed to read regex captures in line {}: `{}`", line_nr, line);
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continue;
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}
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let mut parts: Vec<&str> = Vec::new();
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parts.push(command);
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for caps in re2.captures_iter(parameters) {
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if let Some(part) = caps.get(1) {
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parts.push(&part.as_str());
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}
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if let Some(part) = caps.get(2) {
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parts.push(&part.as_str());
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}
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if let Some(part) = caps.get(3) {
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parts.push(&part.as_str());
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}
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}
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match parts.as_slice() {
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["name", name] => {
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debug!("Registering name: {}", name);
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state.name = Some(name.to_string());
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}
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// Parsing actors
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["actor", x, y, z, model] => {
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ew_spawn.send(SpawnEvent(state));
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state = ParserState::default();
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state.class = DefClass::Actor;
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state.model = Some(model.to_string());
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if let (Ok(x_float), Ok(y_float), Ok(z_float)) =
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(x.parse::<f64>(), y.parse::<f64>(), z.parse::<f64>()) {
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state.pos = DVec3::new(x_float, y_float, z_float);
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}
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else {
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error!("Can't parse coordinates as floats in def: {line}");
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state = ParserState::default();
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continue;
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}
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}
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["actor", x, y, z] => {
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ew_spawn.send(SpawnEvent(state));
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state = ParserState::default();
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state.class = DefClass::Actor;
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if let (Ok(x_float), Ok(y_float), Ok(z_float)) =
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(x.parse::<f64>(), y.parse::<f64>(), z.parse::<f64>()) {
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state.pos = DVec3::new(x_float, y_float, z_float);
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}
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else {
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error!("Can't parse coordinates as floats in def: {line}");
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state = ParserState::default();
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continue;
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}
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}
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["relativeto", id] => {
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state.relative_to = Some(id.to_string());
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}
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["orbit", radius_str, phase_str] => {
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if let (Ok(r), Ok(phase)) = (radius_str.parse::<f64>(), phase_str.parse::<f64>()) {
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let phase_deg = phase * PI64 * 2.0;
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state.pos = DVec3::new(
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state.pos.x + r * phase_deg.cos(),
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state.pos.y,
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state.pos.z + r * phase_deg.sin(),
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);
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}
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else {
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error!("Can't parse float: {line}");
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continue;
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}
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}
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["sphere", "yes"] => {
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state.is_sphere = true;
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}
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["id", id] => {
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state.id = id.to_string();
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}
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["alive", "yes"] => {
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state.is_alive = true;
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state.is_lifeform = true;
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state.is_suited = true;
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}
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["vehicle", "yes"] => {
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state.is_vehicle = true;
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}
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["clickable", "no"] => {
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state.is_clickable = false;
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}
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["moon", "yes"] => {
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state.is_moon = true;
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}
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["sun", "yes"] => {
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state.is_sun = true;
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}
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["ring", "yes"] => {
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state.has_ring = true;
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}
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["pointofinterest", "yes"] => {
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state.is_point_of_interest = true;
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}
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["oxygen", amount] => {
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if let Ok(amount) = amount.parse::<f32>() {
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state.is_lifeform = true;
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state.is_suited = true;
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state.oxygen = amount;
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}
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else {
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error!("Can't parse float: {line}");
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continue;
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}
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}
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["pronoun", pronoun] => {
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state.pronoun = Some(pronoun.to_string());
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}
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["chatid", chat] => {
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state.chat = chat.to_string();
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}
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["scale", scale] => {
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if let Ok(scale_float) = scale.parse::<f32>() {
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state.model_scale = scale_float;
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}
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else {
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error!("Can't parse float: {line}");
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continue;
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}
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}
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["rotationx", rotation_x] => {
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if let Ok(rotation_x_float) = rotation_x.parse::<f32>() {
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state.rotation *= Quat::from_rotation_x(PI * rotation_x_float);
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}
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else {
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error!("Can't parse float: {line}");
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continue;
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}
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}
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["rotationy", rotation_y] => {
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if let Ok(rotation_y_float) = rotation_y.parse::<f32>() {
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state.rotation *= Quat::from_rotation_y(PI * rotation_y_float);
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}
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else {
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error!("Can't parse float: {line}");
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continue;
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}
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}
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["rotationz", rotation_z] => {
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if let Ok(rotation_z_float) = rotation_z.parse::<f32>() {
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state.rotation *= Quat::from_rotation_z(PI * rotation_z_float);
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}
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else {
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error!("Can't parse float: {line}");
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continue;
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}
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}
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["velocity", x, y, z] => {
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if let (Ok(x_float), Ok(y_float), Ok(z_float)) =
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(x.parse::<f64>(), y.parse::<f64>(), z.parse::<f64>()) {
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state.velocity = DVec3::new(x_float, y_float, z_float);
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}
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else {
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error!("Can't parse float: {line}");
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continue;
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}
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}
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["angularmomentum", x, y, z] => {
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if let (Ok(x_float), Ok(y_float), Ok(z_float)) =
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(x.parse::<f64>(), y.parse::<f64>(), z.parse::<f64>()) {
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state.angular_momentum = DVec3::new(x_float, y_float, z_float);
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}
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else {
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error!("Can't parse float: {line}");
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continue;
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}
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}
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["thrust", forward, back, sideways, reaction_wheels, warmup_time] => {
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if let (Ok(forward_float), Ok(back_float), Ok(sideways_float), Ok(reaction_wheels_float), Ok(warmup_time_float)) = (forward.parse::<f32>(), back.parse::<f32>(), sideways.parse::<f32>(), reaction_wheels.parse::<f32>(), warmup_time.parse::<f32>()) {
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state.thrust_forward = forward_float;
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state.thrust_back = back_float;
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state.thrust_sideways = sideways_float;
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state.reaction_wheels = reaction_wheels_float;
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state.warmup_seconds = warmup_time_float;
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}
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}
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["engine", "rocket"] => {
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state.engine_type = actor::EngineType::Rocket;
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}
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["engine", "ion"] => {
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state.engine_type = actor::EngineType::Ion;
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}
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["engine", "monopropellant"] => {
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state.engine_type = actor::EngineType::Monopropellant;
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}
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["health", value] => {
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if let Ok(value_float) = value.parse::<f32>() {
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state.suit_integrity = value_float;
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}
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else {
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error!("Can't parse float: {line}");
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continue;
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}
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}
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["density", value] => {
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if let Ok(value_float) = value.parse::<f64>() {
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state.density = value_float;
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}
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else {
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error!("Can't parse float: {line}");
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continue;
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}
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}
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["physics", "off"] => {
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state.has_physics = false;
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}
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["collider", "sphere", radius] => {
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if let Ok(radius_float) = radius.parse::<f64>() {
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state.collider = Collider::sphere(radius_float);
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}
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else {
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error!("Can't parse float: {line}");
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continue;
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}
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}
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["collider", "capsule", height, radius] => {
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if let (Ok(height_float), Ok(radius_float)) = (height.parse::<f64>(), radius.parse::<f64>()) {
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state.collider = Collider::capsule(height_float, radius_float);
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}
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else {
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error!("Can't parse float: {line}");
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continue;
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}
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}
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["collider", "mesh"] => {
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state.collider_is_mesh = true;
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}
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["collider", "handcrafted"] => {
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state.collider_is_one_mesh_of_scene = true;
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}
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["player", "yes"] => {
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state.is_player = true;
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state.is_alive = true;
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}
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["camdistance", value] => {
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if let Ok(value_float) = value.parse::<f32>() {
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state.camdistance = value_float;
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}
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else {
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error!("Can't parse float: {line}");
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continue;
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}
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}
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["light", color_hex, brightness] => {
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if let Ok(brightness_float) = brightness.parse::<f32>() {
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if let Ok(color) = Color::hex(color_hex) {
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state.light_color = Some(color);
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state.light_brightness = brightness_float;
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}
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else {
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error!("Can't parse hexadecimal color code: {line}");
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continue;
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}
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}
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else {
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error!("Can't parse float: {line}");
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continue;
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}
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}
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["wants", "maxrotation", value] => {
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// NOTE: requires an engine to slow down velocity
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if let Ok(value_float) = value.parse::<f64>() {
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state.wants_maxrotation = Some(value_float);
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}
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else {
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error!("Can't parse float: {line}");
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continue;
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}
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}
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["wants", "maxvelocity", value] => {
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// NOTE: requires an engine to slow down velocity
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if let Ok(value_float) = value.parse::<f64>() {
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state.wants_maxvelocity = Some(value_float);
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}
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else {
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error!("Can't parse float: {line}");
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continue;
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}
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}
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["armodel", asset_name] => {
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state.ar_model = Some(asset_name.to_string());
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}
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["targeted", "yes"] => {
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state.is_targeted_on_startup = true;
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}
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["only_in_map_at_dist", value, id] => {
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if let Ok(value_float) = value.parse::<f64>() {
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state.show_only_in_map_at_distance = Some((value_float, id.to_string()));
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}
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else {
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error!("Can't parse float: {line}");
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continue;
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}
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}
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_ => {
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error!("No match for [{}]", parts.join(","));
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}
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}
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}
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ew_spawn.send(SpawnEvent(state));
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}
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fn spawn_entities(
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mut er_spawn: EventReader<SpawnEvent>,
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mut commands: Commands,
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asset_server: Res<AssetServer>,
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mut meshes: ResMut<Assets<Mesh>>,
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mut materials: ResMut<Assets<StandardMaterial>>,
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mut materials_jupiter: ResMut<Assets<shading::JupitersRing>>,
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mut id2pos: ResMut<actor::Id2Pos>,
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settings: Res<var::Settings>,
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) {
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for state_wrapper in er_spawn.read() {
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let state = &state_wrapper.0;
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|
if state.class == DefClass::Actor {
|
|
// Preprocessing
|
|
let relative_pos = if let Some(id) = &state.relative_to {
|
|
match id2pos.0.get(&id.to_string()) {
|
|
Some(pos) => {
|
|
state.pos + *pos
|
|
}
|
|
None => {
|
|
error!("Specified `relativeto` command but could not find id `{id}`");
|
|
continue;
|
|
}
|
|
}
|
|
} else {
|
|
state.pos
|
|
};
|
|
let scale = Vec3::splat(if state.is_sun {
|
|
5.0
|
|
} else if state.is_moon && settings.large_moons {
|
|
3.0
|
|
} else {
|
|
1.0
|
|
} * state.model_scale);
|
|
|
|
// Spawn the actor
|
|
let actor_entity;
|
|
{
|
|
let mut actor = commands.spawn_empty();
|
|
actor.insert(actor::Actor {
|
|
id: state.id.clone(),
|
|
name: state.name.clone(),
|
|
camdistance: state.camdistance,
|
|
..default()
|
|
});
|
|
actor.insert(SleepingDisabled);
|
|
actor.insert(world::DespawnOnPlayerDeath);
|
|
actor.insert(actor::HitPoints::default());
|
|
actor.insert(Position::from(relative_pos));
|
|
actor.insert(Rotation::from(state.rotation));
|
|
if state.is_sphere {
|
|
let sphere_texture_handle = if let Some(model) = &state.model {
|
|
Some(asset_server.load(format!("textures/{}.jpg", model)))
|
|
} else {
|
|
None
|
|
};
|
|
let sphere_handle = meshes.add(Sphere::new(1.0).mesh().uv(128, 128));
|
|
let sphere_material_handle = materials.add(StandardMaterial {
|
|
base_color_texture: sphere_texture_handle,
|
|
perceptual_roughness: 1.0,
|
|
metallic: 0.0,
|
|
..default()
|
|
});
|
|
actor.insert(PbrBundle {
|
|
mesh: sphere_handle,
|
|
material: sphere_material_handle,
|
|
transform: Transform::from_scale(scale),
|
|
..default()
|
|
});
|
|
} else if let Some(model) = &state.model {
|
|
actor.insert(SpatialBundle {
|
|
transform: Transform::from_scale(scale),
|
|
..default()
|
|
});
|
|
skeleton::load(model.as_str(), &mut actor, &*asset_server);
|
|
}
|
|
|
|
// Physics Parameters
|
|
if state.has_physics {
|
|
actor.insert(RigidBody::Dynamic);
|
|
actor.insert(LinearVelocity(state.velocity));
|
|
actor.insert(AngularVelocity(state.angular_momentum));
|
|
actor.insert(ColliderDensity(state.density));
|
|
if state.collider_is_mesh {
|
|
actor.insert(MassPropertiesBundle::new_computed(
|
|
&Collider::sphere(0.5 * state.model_scale as f64), state.density));
|
|
actor.insert(AsyncSceneCollider::new(Some(
|
|
ComputedCollider::TriMesh
|
|
//ComputedCollider::ConvexDecomposition(VHACDParameters::default())
|
|
)));
|
|
}
|
|
else if state.collider_is_one_mesh_of_scene {
|
|
actor.insert(MassPropertiesBundle::new_computed(
|
|
&Collider::sphere(0.5 * state.model_scale as f64), state.density));
|
|
actor.insert(AsyncSceneCollider::new(None)
|
|
.with_shape_for_name("Collider", ComputedCollider::TriMesh)
|
|
.with_layers_for_name("Collider", CollisionLayers::ALL)
|
|
//.with_density_for_name("Collider", state.density)
|
|
);
|
|
actor.insert(NeedsSceneColliderRemoved);
|
|
}
|
|
else {
|
|
actor.insert(state.collider.clone());
|
|
}
|
|
}
|
|
// TODO: angular velocity for objects without collisions, static objects
|
|
|
|
// Optional Components
|
|
if state.is_player {
|
|
actor.insert(actor::Player);
|
|
actor.insert(actor::PlayerCamera);
|
|
}
|
|
if state.is_sun {
|
|
let (r, g, b) = nature::star_color_index_to_rgb(0.656);
|
|
actor.insert(materials.add(StandardMaterial {
|
|
base_color: Color::rgb(r, g, b) * 13.0,
|
|
unlit: true,
|
|
..default()
|
|
}));
|
|
actor.insert((
|
|
NotShadowCaster,
|
|
NotShadowReceiver,
|
|
));
|
|
}
|
|
if state.is_targeted_on_startup {
|
|
actor.insert(hud::IsTargeted);
|
|
}
|
|
if let Some((mindist, id)) = &state.show_only_in_map_at_distance {
|
|
actor.insert(camera::ShowOnlyInMap {
|
|
min_distance: *mindist,
|
|
distance_to_id: id.clone()
|
|
});
|
|
}
|
|
if state.is_player || state.is_vehicle {
|
|
// used to apply mouse movement to actor rotation
|
|
actor.insert(ExternalTorque::ZERO.with_persistence(false));
|
|
}
|
|
if state.is_lifeform {
|
|
actor.insert(actor::LifeForm::default());
|
|
actor.insert(actor::ExperiencesGForce::default());
|
|
actor.insert(actor::Suit {
|
|
oxygen: state.oxygen,
|
|
oxygen_max: nature::OXY_D,
|
|
integrity: state.suit_integrity,
|
|
..default()
|
|
});
|
|
}
|
|
if state.is_clickable {
|
|
actor.insert(hud::IsClickable {
|
|
name: state.name.clone(),
|
|
pronoun: state.pronoun.clone(),
|
|
..default()
|
|
});
|
|
}
|
|
if let Some(value) = state.wants_maxrotation {
|
|
actor.insert(actor::WantsMaxRotation(value));
|
|
}
|
|
if let Some(value) = state.wants_maxvelocity {
|
|
actor.insert(actor::WantsMaxVelocity(value));
|
|
}
|
|
if let Some(color) = state.light_color {
|
|
actor.insert((
|
|
PointLight {
|
|
intensity: state.light_brightness,
|
|
color,
|
|
range: 2000.0,
|
|
shadows_enabled: settings.shadows_pointlights,
|
|
..default()
|
|
},
|
|
bevy::pbr::CubemapVisibleEntities::default(),
|
|
bevy::render::primitives::CubemapFrusta::default(),
|
|
));
|
|
}
|
|
if !state.id.is_empty() {
|
|
actor.insert(actor::Identifier(state.id.clone()));
|
|
id2pos.0.insert(state.id.clone(), relative_pos);
|
|
}
|
|
if !state.chat.is_empty() {
|
|
actor.insert(chat::Talker {
|
|
actor_id: state.id.clone(),
|
|
chat_name: state.chat.clone(),
|
|
name: state.name.clone(),
|
|
pronoun: state.pronoun.clone(),
|
|
talking_speed: 1.0,
|
|
});
|
|
}
|
|
if state.is_vehicle {
|
|
actor.insert(actor::Vehicle::default());
|
|
}
|
|
if state.is_vehicle || state.is_suited
|
|
|| state.thrust_forward > 0.0
|
|
|| state.thrust_sideways > 0.0
|
|
|| state.thrust_back > 0.0
|
|
|| state.reaction_wheels > 0.0
|
|
{
|
|
actor.insert(actor::Engine {
|
|
thrust_forward: state.thrust_forward,
|
|
thrust_back: state.thrust_back,
|
|
thrust_sideways: state.thrust_sideways,
|
|
reaction_wheels: state.reaction_wheels,
|
|
warmup_seconds: state.warmup_seconds,
|
|
engine_type: state.engine_type,
|
|
..default()
|
|
});
|
|
}
|
|
if let Some(_) = state.ar_model {
|
|
actor.insert(hud::AugmentedRealityOverlayBroadcaster);
|
|
}
|
|
actor_entity = actor.id();
|
|
}
|
|
|
|
if let Some(ar_asset_name) = &state.ar_model {
|
|
let mut entitycmd = commands.spawn((
|
|
hud::AugmentedRealityOverlay {
|
|
owner: actor_entity,
|
|
},
|
|
world::DespawnOnPlayerDeath,
|
|
SpatialBundle {
|
|
visibility: Visibility::Hidden,
|
|
..default()
|
|
},
|
|
NotShadowCaster,
|
|
NotShadowReceiver,
|
|
));
|
|
skeleton::load(ar_asset_name, &mut entitycmd, &*asset_server);
|
|
}
|
|
|
|
if state.is_point_of_interest {
|
|
let mut entitycmd = commands.spawn((
|
|
hud::PointOfInterestMarker(actor_entity),
|
|
world::DespawnOnPlayerDeath,
|
|
hud::ToggleableHudElement,
|
|
SpatialBundle {
|
|
visibility: Visibility::Hidden,
|
|
..default()
|
|
},
|
|
NotShadowCaster,
|
|
NotShadowReceiver,
|
|
));
|
|
skeleton::load("point_of_interest", &mut entitycmd, &*asset_server);
|
|
}
|
|
|
|
if state.has_ring {
|
|
commands.spawn((
|
|
world::DespawnOnPlayerDeath,
|
|
MaterialMeshBundle {
|
|
mesh: meshes.add(Mesh::from(Cylinder::new(nature::JUPITER_RING_RADIUS as f32, 1.0))),
|
|
material: materials_jupiter.add(shading::JupitersRing {
|
|
alpha_mode: AlphaMode::Blend,
|
|
ring_radius: nature::JUPITER_RING_RADIUS as f32,
|
|
jupiter_radius: nature::JUPITER_RADIUS as f32,
|
|
}),
|
|
transform: Transform::from_translation(relative_pos.as_vec3()),
|
|
..default()
|
|
},
|
|
Position::new(relative_pos),
|
|
Rotation::from(Quat::IDENTITY),
|
|
//Rotation::from(Quat::from_rotation_x(-0.3f32.to_radians())),
|
|
NotShadowCaster,
|
|
NotShadowReceiver,
|
|
));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
pub fn hide_colliders(mut q_mesh: Query<(&mut Visibility, &Name), (Added<Visibility>, With<Handle<Mesh>>)>) {
|
|
for (mut visibility, name) in &mut q_mesh {
|
|
if name.as_str() == "Collider" {
|
|
*visibility = Visibility::Hidden;
|
|
}
|
|
}
|
|
}
|