Files
RustyPropagation/src/population.rs
T

218 lines
9.3 KiB
Rust

use crate::prelude::*;
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:u32,start_immune_ratio:u32,start_dead_ratio:u32,width:u32,height:u32,plague:Disease)->Self{
let mut the_humans:Vec<Human>;
//we first fill the vector with empty humans to prevent any pointer to null
the_humans = vec![Human::new_empty();(width*height)as usize];
//this is not sufficient, every Human should know its position so ...
for x in 0..width{
for y in 0..height{
let index = human_idx(x as i32,y as i32,width as i32);
the_humans[index] = Human::new(State::Normal, x as i32, y as i32);
}
}
Self{
start_infected_ratio:start_infected_ratio as i32,
start_immune_ratio:start_immune_ratio as i32,
start_dead_ratio:start_dead_ratio as i32,
width:width as i32,
height:height as i32,
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 0..self.width{
for y in 0..self.height{
let index = human_idx(x as i32,y as i32,self.width as i32);
if rng.gen_range(0..CORRECTED_PERCENTAGE) < self.start_infected_ratio as i32
{
self.humans[index].present_state = State::Infected;
}
if rng.gen_range(0..CORRECTED_PERCENTAGE) < self.start_immune_ratio as i32
{
self.humans[index].present_state = State::Immune;
}
if rng.gen_range(0..CORRECTED_PERCENTAGE) < self.start_dead_ratio as i32
{
self.humans[index].present_state = State::Dead;
}
}
}
}
pub fn propagate(&mut self)->[i32;4]{
let mut people_to_check:Vec<Point> = Vec::new();
let mut people_to_infect:Vec<Point> = Vec::new();
let mut people_to_cure:Vec<Point> = Vec::new();
let mut people_to_kill:Vec<Point> = Vec::new();
let mut stats: [i32;4] = [0,0,0,0];
// stats[0] Normal stats[1] Infected stats[2] Immune stats[3] Dead
for x in 0..self.width{
for y in 0..self.height{
let idx = human_idx(x as i32, y as i32, self.width as i32);
match self.humans[idx].present_state{
State::Normal => {stats[0] += 1;}
State::Infected => {people_to_check.push(Point{x:x,y:y});stats[1]+=1;}
State::Immune => {stats[2] += 1;}
State::Dead => {stats[3] += 1;}
}
}
}
for pos in &people_to_check {
//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 as i32 -1 && pos.y > 0 && pos.y < self.height as i32 -1{
if self.roll(self.plague.curing_rate){
//checks if the man dies
people_to_cure.push(Point{x:pos.x,y:pos.y});
}else{
if self.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::new();
//possible_infections.push(Point{x:pos.x,y:pos.y});
possible_infections.push(Point{x:pos.x -1,y:pos.y -1}); //Top Left
possible_infections.push(Point{x:pos.x,y:pos.y-1}); //Top
possible_infections.push(Point{x:pos.x +1,y:pos.y -1}); //Top Right
possible_infections.push(Point{x:pos.x -1,y:pos.y}); //Left
possible_infections.push(Point{x:pos.x +1,y:pos.y}); //Right
possible_infections.push(Point{x:pos.x -1,y:pos.y + 1}); //Bottom Left
possible_infections.push(Point{x:pos.x,y:pos.y + 1}); //Bottom
possible_infections.push(Point{x:pos.x + 1,y:pos.y + 1}); //Bottom Right
for poss_infected_pos in &possible_infections{
//possible_infections.iter().map(|poss_infected_pos|{
let inf_idx = human_idx(poss_infected_pos.x as i32, poss_infected_pos.y as i32, self.width as i32);
if self.humans[inf_idx].present_state == State::Normal{
if self.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});
// @##
// ###
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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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// ##@
}
for infected_position in &people_to_infect{
//people_to_infect.iter().map(|infected_position|{
let infected_index = human_idx(infected_position.x as i32, infected_position.y as i32, self.width as i32);
//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 as i32, cured_position.y as i32, self.width as i32);
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 as i32, dead_position.y as i32, self.width as i32);
self.humans[dead_index].present_state = State::Dead;
//DEBUG
//println!("Killed someone");
};
};
stats
}
pub fn roll(&self,probability:u32)->bool{
let mut rng = rand::thread_rng();
rng.gen_range(0..CORRECTED_PERCENTAGE) <= probability as i32
}
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");
}
}
}