534 lines
19 KiB
Rust
534 lines
19 KiB
Rust
use crate::prelude::*;
|
|
|
|
// #[derive(Debug)]
|
|
pub struct Point {
|
|
x: i32,
|
|
y: i32,
|
|
}
|
|
|
|
pub struct Population {
|
|
pub start_infected_ratio: i32,
|
|
pub start_immune_ratio: i32,
|
|
pub start_dead_ratio: i32,
|
|
pub humans: Vec<Human>,
|
|
pub width: i32,
|
|
pub height: i32,
|
|
pub age: i32,
|
|
pub plague: Disease,
|
|
}
|
|
|
|
pub fn human_idx(x: i32, y: i32, width: i32) -> usize {
|
|
((y * width) + x) as usize
|
|
}
|
|
|
|
impl Population {
|
|
pub fn new(
|
|
start_infected_ratio: i32,
|
|
start_immune_ratio: i32,
|
|
start_dead_ratio: i32,
|
|
width: i32,
|
|
height: i32,
|
|
plague: Disease,
|
|
) -> Self {
|
|
let mut the_humans: Vec<Human> = Vec::with_capacity((width * height) as usize);
|
|
for x in 0..width {
|
|
for y in 0..height {
|
|
the_humans.push(Human::new(x, y));
|
|
}
|
|
}
|
|
Self {
|
|
start_infected_ratio: start_infected_ratio,
|
|
start_immune_ratio: start_immune_ratio,
|
|
start_dead_ratio: start_dead_ratio,
|
|
width: width,
|
|
height: height,
|
|
plague: plague,
|
|
age: 0,
|
|
humans: the_humans,
|
|
}
|
|
}
|
|
// pub fn change_disease(&mut self, plague:Disease){
|
|
// self.plague = plague;
|
|
// }
|
|
pub fn generate(&mut self) {
|
|
//The ratios will not be exact, for example someone who wants 100% infected 100% immune and 100% dead, he will have 100% dead because they are overwriting each others
|
|
//Maybe consider limiting the total to not exceed 100 in the view
|
|
//Other thing, there will always be more of the last one because someone who is already infected for example could be then put to immune or dead
|
|
//One solution to this issue would be to have if else else statements but in this case for example 20% would be lower with the last because its 20% on the remaining population and not of the all
|
|
//In other words I did it that way but it can be changed just its not the right method to have perfect ratios
|
|
let mut rng = rand::thread_rng();
|
|
|
|
for x in self.humans.iter_mut() {
|
|
if (self.start_infected_ratio) > 0
|
|
&& (rng.gen_range(0..CORRECTED_PERCENTAGE) <= self.start_infected_ratio as i32)
|
|
{
|
|
x.present_state = State::Infected;
|
|
} else if self.start_immune_ratio > 0
|
|
&& rng.gen_range(0..CORRECTED_PERCENTAGE) <= self.start_immune_ratio as i32
|
|
{
|
|
x.present_state = State::Immune;
|
|
} else if self.start_dead_ratio > 0
|
|
&& rng.gen_range(0..CORRECTED_PERCENTAGE) <= self.start_dead_ratio as i32
|
|
{
|
|
x.present_state = State::Dead;
|
|
}
|
|
}
|
|
}
|
|
|
|
pub fn propagate(&mut self) -> [i32; 4] {
|
|
let mut people_to_check: Vec<Point> =
|
|
Vec::with_capacity((self.width * self.height) as usize);
|
|
let mut people_to_infect: Vec<Point> =
|
|
Vec::with_capacity((self.width * self.height) as usize);
|
|
let mut people_to_cure: Vec<Point> =
|
|
Vec::with_capacity((self.width * self.height) as usize);
|
|
let mut people_to_kill: Vec<Point> =
|
|
Vec::with_capacity((self.width * self.height) as usize);
|
|
let mut stats: [i32; 4] = [0, 0, 0, 0];
|
|
// stats[0] Normal stats[1] Infected stats[2] Immune stats[3] Dead
|
|
|
|
for h in self.humans.iter() {
|
|
match h.present_state {
|
|
State::Normal => {
|
|
stats[0] += 1;
|
|
}
|
|
State::Infected => {
|
|
people_to_check.push(Point { x: h.x, y: h.y });
|
|
stats[1] += 1;
|
|
}
|
|
State::Immune => {
|
|
stats[2] += 1;
|
|
}
|
|
State::Dead => {
|
|
stats[3] += 1;
|
|
}
|
|
}
|
|
}
|
|
println!("{} people to check, death rate {}", people_to_check.len(), self.plague.death_rate);
|
|
// for pos in &people_to_check {
|
|
for pos in people_to_check.iter() {
|
|
//people_to_check.iter().map(|pos|{
|
|
//get all the other people next to me and check if i die cure or infect
|
|
//now we can start to check if people would be infected or not
|
|
//let idx = human_idx(pos.x as i32, pos.y as i32, self.width as i32);
|
|
if pos.x >= 0 && pos.x <= self.width - 1 && pos.y >= 0 && pos.y <= self.height - 1 {
|
|
if roll(self.plague.curing_rate) {
|
|
//checks if the man recovers
|
|
people_to_cure.push(Point { x: pos.x, y: pos.y });
|
|
} else {
|
|
|
|
if roll(self.plague.death_rate) {
|
|
//cheks if the man dies
|
|
people_to_kill.push(Point { x: pos.x, y: pos.y });
|
|
} else {
|
|
let mut possible_infections: Vec<Point> = Vec::with_capacity(8);
|
|
// Vec::new();
|
|
//possible_infections.push(Point{x:pos.x,y:pos.y});
|
|
|
|
if pos.x > 0 && pos.y > 0 {
|
|
possible_infections.push(Point {
|
|
x: pos.x - 1,
|
|
y: pos.y - 1,
|
|
}); //Top Left
|
|
}
|
|
if pos.y > 0 {
|
|
possible_infections.push(Point {
|
|
x: pos.x,
|
|
y: pos.y - 1,
|
|
}); //Top
|
|
}
|
|
if pos.y > 0 && pos.x < self.width - 1 {
|
|
possible_infections.push(Point {
|
|
x: pos.x + 1,
|
|
y: pos.y - 1,
|
|
}); //Top Right
|
|
}
|
|
if pos.x > 0 {
|
|
possible_infections.push(Point {
|
|
x: pos.x - 1,
|
|
y: pos.y,
|
|
}); //Left
|
|
}
|
|
if pos.x < self.width - 1{
|
|
possible_infections.push(Point {
|
|
x: pos.x + 1,
|
|
y: pos.y,
|
|
}); //Right
|
|
}
|
|
if pos.x > 0 && pos.y < self.height -1 {
|
|
possible_infections.push(Point {
|
|
x: pos.x - 1,
|
|
y: pos.y + 1,
|
|
}); //Bottom Left
|
|
}
|
|
if pos.y < self.height - 1 {
|
|
possible_infections.push(Point {
|
|
x: pos.x,
|
|
y: pos.y + 1,
|
|
}); //Bottom
|
|
}
|
|
if pos.x < self.width - 1 && pos.y < self.height - 1{
|
|
possible_infections.push(Point {
|
|
x: pos.x + 1,
|
|
y: pos.y + 1,
|
|
}); //Bottom Right
|
|
}
|
|
for poss_infected_pos in possible_infections.iter() {
|
|
//possible_infections.iter().map(|poss_infected_pos|{
|
|
let inf_idx =
|
|
human_idx(poss_infected_pos.x, poss_infected_pos.y, self.width);
|
|
if self.humans[inf_idx].present_state == State::Normal {
|
|
if roll(self.plague.infection_rate) {
|
|
people_to_infect.push(Point {
|
|
x: poss_infected_pos.x,
|
|
y: poss_infected_pos.y,
|
|
});
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
//TODO
|
|
//Check every special cases (corners sides etc..)
|
|
|
|
//REMOVE WHEN IMPLEMENTED
|
|
//It is here to prevent an infected in the borders to keep the programm running as he thinks there are still people to simulate
|
|
//people_to_kill.push(Point { x: pos.x, y: pos.y });
|
|
|
|
// @##
|
|
// ###
|
|
// ###
|
|
|
|
// #@#
|
|
// ###
|
|
// ###
|
|
|
|
// ##@
|
|
// ###
|
|
// ###
|
|
|
|
// ###
|
|
// @##
|
|
// ###
|
|
|
|
// ###
|
|
// ##@
|
|
// ###
|
|
|
|
// ###
|
|
// ###
|
|
// @##
|
|
|
|
// ###
|
|
// ###
|
|
// #@#
|
|
|
|
// ###
|
|
// ###
|
|
// ##@
|
|
}
|
|
}
|
|
println!(
|
|
"{} to infect, {} to cure, {} to kill",
|
|
people_to_infect.len(),
|
|
people_to_cure.len(),
|
|
people_to_kill.len()
|
|
);
|
|
for infected_position in &people_to_infect {
|
|
// println!("To infect: {:?}", infected_position);
|
|
//people_to_infect.iter().map(|infected_position|{
|
|
let infected_index = human_idx(infected_position.x, infected_position.y, self.width);
|
|
// let _ = infected_position.x;
|
|
//DEBUG
|
|
//println!("x: {} y: {} index: {}",infected_position.x,infected_position.y,infected_index);
|
|
self.humans[infected_index].present_state = State::Infected;
|
|
//DEBUG
|
|
//println!("Infected someone");
|
|
}
|
|
|
|
for cured_position in &people_to_cure {
|
|
//people_to_cure.iter().map(|cured_position|{
|
|
let cured_index = human_idx(cured_position.x, cured_position.y, self.width);
|
|
self.humans[cured_index].present_state = State::Immune;
|
|
//DEBUG
|
|
//println!("Cured someone");
|
|
}
|
|
|
|
for dead_position in &people_to_kill {
|
|
//people_to_kill.iter().map(|dead_position|{
|
|
let dead_index = human_idx(dead_position.x, dead_position.y, self.width);
|
|
if self.humans[dead_index].present_state == State::Dead {
|
|
// println!("Already dead");
|
|
} else {
|
|
self.humans[dead_index].present_state = State::Dead;
|
|
}
|
|
//DEBUG
|
|
}
|
|
assert_eq!(stats[0] + stats[1] + stats[2] + stats[3], self.humans.len() as i32);
|
|
stats
|
|
}
|
|
|
|
// pub fn display(&mut self){
|
|
// let sprite = "#";
|
|
// print!("\n");
|
|
// for x in 0..self.width{
|
|
// for y in 0..self.height{
|
|
// let index = human_idx(x as i32,y as i32,self.width as i32);
|
|
// match self.humans[index].present_state {
|
|
// State::Normal => print!("{}",style(sprite).green()),
|
|
// State::Dead => print!("{}",style(sprite).black()),
|
|
// State::Infected => print!("{}",style(sprite).red()),
|
|
// State::Immune => print!("{}",style(sprite).blue()),
|
|
// _ => print!("{}",style(sprite).white()),
|
|
// }
|
|
// }
|
|
// print!("\n");
|
|
// }
|
|
// }
|
|
}
|
|
|
|
pub fn roll(probability: i32) -> bool {
|
|
if probability > 0 {
|
|
let mut rng = rand::thread_rng();
|
|
rng.gen_range(0 as i32..CORRECTED_PERCENTAGE) <= probability
|
|
} else {
|
|
false
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use super::*;
|
|
use parameterized::parameterized;
|
|
|
|
#[derive(Debug)]
|
|
struct Stats {
|
|
normal: i32,
|
|
infected: i32,
|
|
immune: i32,
|
|
dead: i32,
|
|
}
|
|
|
|
impl Stats {
|
|
fn new() -> Stats {
|
|
Stats {
|
|
normal: 0,
|
|
infected: 0,
|
|
immune: 0,
|
|
dead: 0,
|
|
}
|
|
}
|
|
}
|
|
|
|
fn humans_stats(humans: &Vec<Human>) -> Stats {
|
|
let mut stats: Stats = Stats::new();
|
|
for human in humans.iter() {
|
|
match human.present_state {
|
|
State::Normal => {
|
|
stats.normal += 1;
|
|
}
|
|
State::Infected => {
|
|
stats.infected += 1;
|
|
}
|
|
State::Immune => {
|
|
stats.immune += 1;
|
|
}
|
|
State::Dead => {
|
|
stats.dead += 1;
|
|
}
|
|
}
|
|
}
|
|
stats
|
|
}
|
|
|
|
#[parameterized(x = {
|
|
2, 3, 5
|
|
}, y = {
|
|
1, 4, 0
|
|
}, width = {
|
|
3, 5, 7
|
|
}, res = {
|
|
5, 23, 5
|
|
})]
|
|
fn test_human_idx(x: i32, y: i32, width: i32, res: usize) {
|
|
assert_eq!(human_idx(x, y, width), res);
|
|
}
|
|
|
|
#[test]
|
|
fn test_human_stats() {
|
|
let mut humans: Vec<Human> = Vec::with_capacity(10);
|
|
let mut stats: Stats;
|
|
|
|
for _ in 0..10 {
|
|
humans.push(Human::new(0, 0));
|
|
}
|
|
stats = humans_stats(&humans);
|
|
assert_eq!(stats.normal, 10);
|
|
|
|
for x in 0..2 {
|
|
humans[x].present_state = State::Infected;
|
|
}
|
|
for x in 2..5 {
|
|
humans[x].present_state = State::Immune;
|
|
}
|
|
for x in 5..9 {
|
|
humans[x].present_state = State::Dead;
|
|
}
|
|
stats = humans_stats(&humans);
|
|
assert_eq!(stats.normal, 1);
|
|
assert_eq!(stats.infected, 2);
|
|
assert_eq!(stats.immune, 3);
|
|
assert_eq!(stats.dead, 4);
|
|
}
|
|
|
|
#[test]
|
|
fn population_new() {
|
|
let disease = Disease::new(20, 10, 5, String::from("Covid 44"));
|
|
let population = Population::new(20, 10, 5, 5, 7, disease);
|
|
assert_eq!(population.humans.len(), 5 * 7);
|
|
for human in population.humans.iter() {
|
|
assert!(
|
|
human.present_state == State::Normal,
|
|
"all humans should be normal"
|
|
);
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn population_gen() {
|
|
let disease = Disease::new(20, 10, 5, String::from("Covid 44"));
|
|
let (width, height) = (5, 7);
|
|
let mut population = Population::new(20, 10, 5, 5, 7, disease);
|
|
|
|
population.generate();
|
|
let stats: Stats = humans_stats(&population.humans);
|
|
println!("Stats: {:?}", stats);
|
|
|
|
assert_eq!(
|
|
stats.normal + stats.infected + stats.immune + stats.dead,
|
|
width * height
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn plague_init_stats() {
|
|
let mut disease: Disease;
|
|
let mut population: Population;
|
|
let mut stats: Stats;
|
|
let (width, height) = (5, 7);
|
|
|
|
disease = Disease::new(0, 0, 0, String::from("Test"));
|
|
population = Population::new(0, 0, 0, width, height, disease);
|
|
population.generate();
|
|
stats = humans_stats(&population.humans);
|
|
println!("should be normal: {:?}", stats);
|
|
assert_eq!(stats.normal, width * height);
|
|
|
|
disease = Disease::new(0, 0, 0, String::from("Test"));
|
|
population = Population::new(100, 0, 0, width, height, disease);
|
|
population.generate();
|
|
stats = humans_stats(&population.humans);
|
|
println!("should be infected: {:?}", stats);
|
|
assert_eq!(stats.infected, width * height);
|
|
|
|
disease = Disease::new(0, 0, 0, String::from("Test"));
|
|
population = Population::new(0, 100, 0, width, height, disease);
|
|
population.generate();
|
|
stats = humans_stats(&population.humans);
|
|
println!("should be immune: {:?}", stats);
|
|
assert_eq!(stats.immune, width * height);
|
|
|
|
disease = Disease::new(0, 0, 0, String::from("Test"));
|
|
population = Population::new(0, 0, 100, width, height, disease);
|
|
population.generate();
|
|
stats = humans_stats(&population.humans);
|
|
println!("should be dead: {:?}", stats);
|
|
assert_eq!(stats.dead, width * height);
|
|
}
|
|
|
|
#[parameterized(rate = {0, 100}, expected = {false, true})]
|
|
fn roll_test(rate: i32, expected: bool) {
|
|
let tries = 100000;
|
|
let mut result = 0;
|
|
println!("Testing roll, rate {}, expected {}", rate, expected);
|
|
for _x in 0..tries {
|
|
if roll(rate) == expected {
|
|
result += 1;
|
|
}
|
|
}
|
|
assert_eq!(result, tries);
|
|
}
|
|
|
|
#[test]
|
|
fn propagate_simple() {
|
|
let disease: Disease = Disease::new(0, 0, 100, String::from("Deadly"));
|
|
let mut population: Population = Population::new(100, 0, 0, 10, 10, disease);
|
|
let mut stats: Stats;
|
|
|
|
stats = humans_stats(&population.humans);
|
|
println!("stats after init: {:?}", stats);
|
|
assert_eq!(stats.normal, 100);
|
|
population.generate();
|
|
stats = humans_stats(&population.humans);
|
|
println!("stats after generate: {:?}", stats);
|
|
assert_eq!(stats.infected, 100);
|
|
}
|
|
|
|
#[parameterized(infection_rate = {0, 100, 0}, death_rate = {0, 0, 100}, infected_expected = {0, 1, 0})]
|
|
fn propagate_test(infection_rate: i32, death_rate: i32, infected_expected: i32) {
|
|
let disease: Disease;
|
|
let mut population: Population;
|
|
let mut stats: Stats;
|
|
let (width, height) = (100, 100);
|
|
let start_infected = 50;
|
|
|
|
println!(
|
|
"infection rate: {}, death_rate: {}",
|
|
infection_rate, death_rate
|
|
);
|
|
|
|
disease = Disease::new(infection_rate, 0, death_rate, String::from("Test"));
|
|
population = Population::new(start_infected, 0, 0, width, height, disease);
|
|
|
|
population.generate();
|
|
stats = humans_stats(&population.humans);
|
|
println!("Population after generate: {:?}", stats);
|
|
|
|
// total * proba - 20% < infected < total * proba + 20%
|
|
let infected_at_start_proba = width * height * start_infected / 100;
|
|
let infected_tolerance = ((width * height) as f32 * 0.2) as i32;
|
|
assert!(stats.infected <= infected_at_start_proba + infected_tolerance);
|
|
assert!(stats.infected >= infected_at_start_proba - infected_tolerance);
|
|
assert_eq!(stats.dead, 0);
|
|
|
|
for _x in 0..100 {
|
|
let infected_at_start = stats.infected;
|
|
let dead_at_start = stats.dead;
|
|
|
|
let propa_stats: [i32; 4] = population.propagate();
|
|
|
|
assert!(propa_stats[3] >= dead_at_start);
|
|
|
|
if death_rate == 0 {
|
|
assert_eq!(propa_stats[3], 0, "no human should have died");
|
|
}
|
|
|
|
stats = humans_stats(&population.humans);
|
|
println!("Population after propagate: {:?}", stats);
|
|
|
|
assert!(stats.normal <= infected_at_start + width * height * infected_expected);
|
|
|
|
let should_be_dead = infected_at_start * death_rate / 100;
|
|
let dead_tolerance = (should_be_dead as f32 * 0.20) as i32;
|
|
|
|
assert!(
|
|
stats.dead <= should_be_dead + dead_tolerance,
|
|
"death count should be less or equal than {}",
|
|
should_be_dead + dead_tolerance
|
|
);
|
|
assert!(stats.dead >= should_be_dead - dead_tolerance);
|
|
}
|
|
}
|
|
}
|