373 lines
9.9 KiB
Rust
373 lines
9.9 KiB
Rust
extern crate serde;
|
|
#[macro_use]
|
|
extern crate serde_derive;
|
|
extern crate octoon_math;
|
|
extern crate serde_json;
|
|
extern crate voronoi;
|
|
|
|
use octoon_math::Mat3;
|
|
use voronoi::{make_polygons, voronoi, Point};
|
|
|
|
mod types;
|
|
mod utils;
|
|
|
|
use std::collections::HashMap;
|
|
use wasm_bindgen::prelude::*;
|
|
|
|
macro_rules! console_log {
|
|
// Note that this is using the `log` function imported above during
|
|
// `bare_bones`
|
|
($($t:tt)*) => (log(&format_args!($($t)*).to_string()))
|
|
}
|
|
|
|
// When the `wee_alloc` feature is enabled, use `wee_alloc` as the global
|
|
// allocator.
|
|
#[cfg(feature = "wee_alloc")]
|
|
#[global_allocator]
|
|
static ALLOC: wee_alloc::WeeAlloc = wee_alloc::WeeAlloc::INIT;
|
|
|
|
#[derive(Debug, Clone)]
|
|
pub struct Circle {
|
|
r: f32,
|
|
x: f32,
|
|
y: f32,
|
|
a0: f32,
|
|
ad: f32,
|
|
distance: usize,
|
|
}
|
|
|
|
use std::f32::consts::PI;
|
|
fn spr(from: f32) -> f32 {
|
|
let pi2 = PI * 2.;
|
|
((from % pi2) + pi2) % pi2
|
|
}
|
|
|
|
impl Circle {
|
|
pub fn new(p1: &types::Planet, p2: &types::Planet) -> Self {
|
|
let x1 = p1.x;
|
|
let y1 = p1.y;
|
|
let x2 = p2.x;
|
|
let y2 = p2.y;
|
|
|
|
// Distance between planets
|
|
let q = ((x2 - x1).powi(2) + (y2 - y1).powi(2)).sqrt();
|
|
// Center of between planets
|
|
let x3 = (x1 + x2) / 2.0;
|
|
let y3 = (y1 + y2) / 2.0;
|
|
|
|
// Radius of circle
|
|
let r = q * 1.0;
|
|
|
|
// Center of circle
|
|
let x = x3 + (r.powi(2) - (q / 2.0).powi(2)).sqrt() * (y1 - y2) / q;
|
|
let y = y3 + (r.powi(2) - (q / 2.0).powi(2)).sqrt() * (x2 - x1) / q;
|
|
// console_log!("{},{} -> {},{} ({},{} r={})", x1, y1, x2, y2, x, y, r);
|
|
|
|
let a0 = spr((y - y1).atan2(x - x1));
|
|
let a2 = spr((y - y2).atan2(x - x2));
|
|
|
|
let mut ad = spr(a0 - a2);
|
|
if ad > PI {
|
|
ad = spr(a2 - a0);
|
|
}
|
|
// console_log!("a1 {} a2 {} ad {}", a0/PI * 180.0, a2/PI * 180.0, ad/PI*180.0);
|
|
|
|
let distance = q.ceil() as usize + 1;
|
|
Self {
|
|
r,
|
|
x,
|
|
y,
|
|
a0,
|
|
ad,
|
|
distance,
|
|
}
|
|
}
|
|
|
|
pub fn get_for_remaining(&self, remaining: usize) -> ((Mat3<f32>, f32), (Mat3<f32>, f32)) {
|
|
(
|
|
self.get_remaining(remaining),
|
|
self.get_remaining((remaining + 1).min(self.distance - 1)),
|
|
)
|
|
}
|
|
|
|
fn get_remaining(&self, remaining: usize) -> (Mat3<f32>, f32) {
|
|
let alpha = self.a0 + (1.0 - (remaining as f32 / self.distance as f32)) * self.ad;
|
|
|
|
let cos = alpha.cos();
|
|
let sin = alpha.sin();
|
|
(
|
|
Mat3::new(
|
|
0.3,
|
|
0.0,
|
|
0.0,
|
|
0.0,
|
|
0.3,
|
|
0.0,
|
|
-self.x + cos * self.r,
|
|
-self.y + sin * self.r,
|
|
0.3,
|
|
),
|
|
alpha,
|
|
)
|
|
}
|
|
}
|
|
|
|
fn create_voronoi(planets: &Vec<types::Planet>, bbox: f32) -> (Vec<f32>, Vec<usize>) {
|
|
let mut verts: Vec<[f32; 2]> = planets.iter().map(|p| [p.x, p.y]).collect();
|
|
let mut ids = Vec::new();
|
|
|
|
let vor_points = planets
|
|
.iter()
|
|
.map(|p| Point::new(p.x as f64, p.y as f64))
|
|
.collect();
|
|
|
|
let vor = voronoi(vor_points, bbox as f64);
|
|
let vor = make_polygons(&vor);
|
|
|
|
for poly in vor.iter() {
|
|
// Get planet index for planet that is inside this poligon
|
|
let idx = 0;
|
|
|
|
let mut prev = ids.len() + poly.len() - 1;
|
|
for p in poly.iter() {
|
|
let now = verts.len();
|
|
verts.push([p.x.0 as f32, p.y.0 as f32]);
|
|
|
|
ids.push(idx);
|
|
ids.push(now);
|
|
ids.push(prev);
|
|
prev = now;
|
|
}
|
|
}
|
|
|
|
(verts.concat(), ids)
|
|
}
|
|
|
|
#[wasm_bindgen]
|
|
pub struct Game {
|
|
states: Vec<types::State>,
|
|
turn: usize,
|
|
|
|
planet_map: HashMap<(String, String), Circle>,
|
|
|
|
/* put extra shit here */
|
|
view_box: Vec<f32>,
|
|
|
|
planets: Vec<f32>,
|
|
planet_ships: Vec<usize>,
|
|
|
|
ship_locations: Vec<f32>,
|
|
ship_label_locations: Vec<f32>,
|
|
ship_colours: Vec<f32>,
|
|
ship_counts: Vec<usize>,
|
|
|
|
current_planet_colours: Vec<f32>,
|
|
|
|
voronoi_vertices: Vec<f32>,
|
|
voronoi_colors: Vec<f32>,
|
|
voronoi_indices: Vec<usize>,
|
|
}
|
|
|
|
#[wasm_bindgen]
|
|
impl Game {
|
|
pub fn new(file: &str) -> Self {
|
|
utils::set_panic_hook();
|
|
|
|
// First line is fucked but we just filter out things that cannot parse
|
|
let states: Vec<types::State> = file
|
|
.split("\n")
|
|
.filter_map(|line| serde_json::from_str(line).ok())
|
|
.collect();
|
|
|
|
let mut planet_map = HashMap::new();
|
|
|
|
// Iterator?
|
|
for p1 in states[0].planets.iter() {
|
|
for p2 in states[0].planets.iter() {
|
|
planet_map.insert((p1.name.clone(), p2.name.clone()), Circle::new(&p1, &p2));
|
|
}
|
|
}
|
|
let view_box = utils::caclulate_viewbox(&states[0].planets);
|
|
|
|
let (voronoi_vertices, voronoi_indices) =
|
|
create_voronoi(&states[0].planets, view_box[2].max(view_box[3]));
|
|
|
|
let voronoi_colors: Vec<f32> = voronoi_indices
|
|
.iter()
|
|
.map(|_| [0.0, 0.0, 0.0])
|
|
.collect::<Vec<[f32; 3]>>()
|
|
.concat(); // Init these colours on black
|
|
|
|
Self {
|
|
planets: utils::get_planets(&states[0].planets, 2.0),
|
|
planet_ships: Vec::new(),
|
|
view_box,
|
|
|
|
planet_map,
|
|
turn: 0,
|
|
states,
|
|
ship_locations: Vec::new(),
|
|
ship_label_locations: Vec::new(),
|
|
ship_colours: Vec::new(),
|
|
ship_counts: Vec::new(),
|
|
current_planet_colours: Vec::new(),
|
|
|
|
voronoi_vertices,
|
|
voronoi_indices,
|
|
voronoi_colors,
|
|
}
|
|
}
|
|
|
|
pub fn push_state(&mut self, state_str: &str) {
|
|
if let Ok(state) = serde_json::from_str(state_str) {
|
|
self.states.push(state);
|
|
}
|
|
}
|
|
|
|
pub fn get_viewbox(&self) -> Vec<f32> {
|
|
self.view_box.clone()
|
|
}
|
|
|
|
pub fn get_planets(&self) -> Vec<f32> {
|
|
self.planets.clone()
|
|
}
|
|
|
|
pub fn get_planet_ships(&self) -> Vec<usize> {
|
|
self.planet_ships.clone()
|
|
}
|
|
|
|
pub fn get_planet_colors(&self) -> Vec<f32> {
|
|
self.current_planet_colours.clone()
|
|
}
|
|
|
|
pub fn turn_count(&self) -> usize {
|
|
self.states.len()
|
|
}
|
|
|
|
pub fn update_turn(&mut self, turn: usize) -> usize {
|
|
self.turn = turn.min(self.states.len() - 1);
|
|
|
|
self.update_planet_ships();
|
|
self.update_planet_colours();
|
|
self.update_voronoi_colors();
|
|
self.update_ship_locations();
|
|
self.update_ship_counts();
|
|
|
|
self.turn
|
|
}
|
|
|
|
fn update_planet_ships(&mut self) {
|
|
self.planet_ships = self.states[self.turn]
|
|
.planets
|
|
.iter()
|
|
.map(|p| p.ship_count as usize)
|
|
.collect();
|
|
}
|
|
|
|
fn update_voronoi_colors(&mut self) {
|
|
for (i, p) in self.states[self.turn].planets.iter().enumerate() {
|
|
let color = utils::COLORS[p.owner.unwrap_or(0) as usize % utils::COLORS.len()];
|
|
self.voronoi_colors[i * 3 + 0] = color[0];
|
|
self.voronoi_colors[i * 3 + 1] = color[1];
|
|
self.voronoi_colors[i * 3 + 2] = color[2];
|
|
}
|
|
}
|
|
|
|
fn update_planet_colours(&mut self) {
|
|
let mut new_vec: Vec<[f32; 3]> = Vec::new();
|
|
let planets_now = self.states[self.turn].planets.iter();
|
|
let planets_later = self.states[(self.turn + 1).min(self.states.len() - 1)]
|
|
.planets
|
|
.iter();
|
|
|
|
for (p1, p2) in planets_now.zip(planets_later) {
|
|
new_vec
|
|
.push(utils::COLORS[p1.owner.unwrap_or(0) as usize % utils::COLORS.len()].into());
|
|
new_vec
|
|
.push(utils::COLORS[p2.owner.unwrap_or(0) as usize % utils::COLORS.len()].into());
|
|
}
|
|
|
|
self.current_planet_colours = new_vec.concat::<f32>();
|
|
}
|
|
|
|
fn update_ship_locations(&mut self) {
|
|
let mut new_sl = Vec::new();
|
|
let mut new_sll = Vec::new();
|
|
|
|
let t = Mat3::new(0.2, 0., 0., 0., 0.2, 0.0, 0., -0.5, 0.2);
|
|
|
|
for ship in self.states[self.turn].expeditions.iter() {
|
|
let ((o1, a1), (o2, a2)) = self
|
|
.planet_map
|
|
.get(&(ship.origin.clone(), ship.destination.clone()))
|
|
.unwrap()
|
|
.get_for_remaining(ship.turns_remaining as usize);
|
|
new_sl.push((o1 * Mat3::rotate_z(a1)).to_array());
|
|
new_sl.push((o2 * Mat3::rotate_z(a2)).to_array());
|
|
|
|
new_sll.push((o1 + t).to_array());
|
|
new_sll.push((o2 + t).to_array());
|
|
}
|
|
|
|
self.ship_locations = new_sl.concat();
|
|
self.ship_label_locations = new_sll.concat();
|
|
|
|
self.ship_colours = self.states[self.turn]
|
|
.expeditions
|
|
.iter()
|
|
.map(|s| utils::COLORS[s.owner as usize % utils::COLORS.len()])
|
|
.collect::<Vec<[f32; 3]>>()
|
|
.concat();
|
|
}
|
|
|
|
fn update_ship_counts(&mut self) {
|
|
self.ship_counts = self.states[self.turn]
|
|
.expeditions
|
|
.iter()
|
|
.map(|s| s.ship_count as usize)
|
|
.collect();
|
|
}
|
|
|
|
pub fn get_max_ships(&self) -> usize {
|
|
self.states
|
|
.iter()
|
|
.map(|s| s.expeditions.len())
|
|
.max()
|
|
.unwrap()
|
|
}
|
|
|
|
pub fn get_ship_locations(&self) -> Vec<f32> {
|
|
self.ship_locations.clone()
|
|
}
|
|
|
|
pub fn get_ship_label_locations(&self) -> Vec<f32> {
|
|
self.ship_label_locations.clone()
|
|
}
|
|
|
|
pub fn get_ship_colours(&self) -> Vec<f32> {
|
|
self.ship_colours.clone()
|
|
}
|
|
|
|
pub fn get_ship_counts(&self) -> Vec<usize> {
|
|
self.ship_counts.clone()
|
|
}
|
|
|
|
pub fn get_voronoi_verts(&self) -> Vec<f32> {
|
|
self.voronoi_vertices.clone()
|
|
}
|
|
|
|
pub fn get_voronoi_colours(&self) -> Vec<f32> {
|
|
self.voronoi_colors.clone()
|
|
}
|
|
|
|
pub fn get_voronoi_inds(&self) -> Vec<usize> {
|
|
self.voronoi_indices.clone()
|
|
}
|
|
}
|
|
|
|
#[wasm_bindgen]
|
|
extern "C" {
|
|
fn alert(s: &str);
|
|
#[wasm_bindgen(js_namespace = console)]
|
|
fn log(s: &str);
|
|
}
|