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#![cfg_attr(feature="clippy", feature(plugin))]
#![cfg_attr(feature="clippy", plugin(clippy))]
extern crate image;
extern crate rand;
extern crate gif;
extern crate pythagoras;
pub mod node;
pub mod map;
pub mod tools;
pub mod group;
pub mod data;
mod tests;
#[derive(Debug, Eq, Copy, Clone)]
pub struct Coordinate {
pub x: i16,
pub y: i16,
}
#[derive(Clone, Debug)]
pub struct Node<'a> {
pub hash: u64,
pub geo: Coordinate,
pub color: image::Rgba<u8>,
pub radius: Option<u32>,
pub connections: Vec<Link<'a, Node<'a>>>,
}
#[derive(Clone, Debug)]
pub struct Group<'a, 'b> {
pub settings: Node<'b>,
pub nodes: Vec<Node<'a>>,
}
#[derive(Clone, Debug)]
pub struct Map {
pub image: Option<image::ImageBuffer<image::Rgba<u8>, Vec<u8>>>,
pub add: (i16, i16),
pub size: u32,
}
#[derive(Clone, Debug)]
pub struct Link<'a, L: 'a + Location> {
pub to: &'a L,
pub color: image::Rgba<u8>,
}
#[derive(Clone, Debug)]
pub struct Network<T: Draw + Hash> {
pub elements: Vec<T>,
}
pub trait Shape {
fn new() -> Self;
fn area(&self, size: u32) -> Vec<Coordinate>;
}
pub trait Hash {
fn get_hash(&self) -> u64;
}
#[derive(Debug, Clone)]
pub struct Square {}
#[derive(Debug, Clone)]
pub struct Circle {}
#[derive(Debug, Clone)]
pub struct Triangle {}
pub trait Location {
fn get_coordinate(&self) -> &Coordinate;
}
impl<'a> Location for Node<'a> {
fn get_coordinate(&self) -> &Coordinate {
&self.geo
}
}
impl<'a, 'b> Location for Group<'a, 'b> {
fn get_coordinate(&self) -> &Coordinate {
self.settings.get_coordinate()
}
}
pub trait Draw {
fn draw<S: Shape>(&self, image: image::ImageBuffer<image::Rgba<u8>, Vec<u8>>, x_offset: i16, y_offset: i16, size: u32, shape: &S) ->
image::ImageBuffer<image::Rgba<u8>, Vec<u8>>;
fn get_size(&self) -> u32;
fn get_links(&self) -> &Vec<Link<Node>>;
}
impl<'a> Draw for Node<'a> {
fn draw<S: Shape>(&self, mut image: image::ImageBuffer<image::Rgba<u8>, Vec<u8>>, x_offset: i16, y_offset: i16, size: u32, shape: &S) ->
image::ImageBuffer<image::Rgba<u8>, Vec<u8>> {
let x = self.geo.x +x_offset as i16;
let y = self.geo.y +y_offset as i16;
let size = match self.radius {
Some(_) => self.radius.unwrap(),
None => size
};
for link in self.connections.iter() {
image = link.draw(image, x_offset, y_offset, size, self.geo.clone());
}
for offset in shape.area(size) {
image.put_pixel((x +offset.x) as u32, (y +offset.y) as u32, self.color);
}
image
}
fn get_size(&self) -> u32 {
match self.radius.is_none() {
true => 4,
false => self.radius.unwrap(),
}
}
fn get_links(&self) -> &Vec<Link<Node>> {
&self.connections
}
}
impl<'a, 'b> Draw for Group<'a, 'b> {
fn draw<S: Shape>(&self, mut image: image::ImageBuffer<image::Rgba<u8>, Vec<u8>>, x_offset: i16, y_offset: i16, size: u32, shape: &S) ->
image::ImageBuffer<image::Rgba<u8>, Vec<u8>> {
for node in self.nodes.iter() {
image = node.draw(image, x_offset, y_offset, size, shape);
}
image
}
fn get_size(&self) -> u32 {
let mut max = 0;
for node in self.nodes.iter() {
let tmp = node.get_size();
if tmp > max {
max = tmp;
}
}
match self.settings.radius {
Some(e) => max + e,
None => max,
}
}
fn get_links(&self) -> &Vec<Link<Node>> {
&self.settings.connections
}
}
impl<'a, L: Location> Link<'a, L> {
fn draw(&self,
mut image: image::ImageBuffer<image::Rgba<u8>, Vec<u8>>,
x_offset: i16, y_offset: i16,
size: u32,
from: Coordinate
) ->
image::ImageBuffer<image::Rgba<u8>, Vec<u8>> {
let x_offset = x_offset + (size/2) as i16;
let y_offset = y_offset + (size/2) as i16;
let a = Coordinate::new(
from.x +x_offset,
from.y +y_offset
);
let to = self.to.get_coordinate();
let b = Coordinate::new(
to.x +x_offset,
to.y +y_offset
);
tools::plot(&a, &b).iter().map(|c|
image.put_pixel( c.x as u32, c.y as u32, self.color)
).collect::<Vec<_>>();
image
}
fn get_size(&self) -> u32 {
1
}
}
impl Shape for Square {
fn new() -> Square {
Square {}
}
fn area(&self, size: u32) -> Vec<Coordinate> {
let mut vec = Vec::new();
for i in 0..size {
for j in 0..size {
vec.push(Coordinate::new(i as i16, j as i16));
}
}
vec
}
}
impl Shape for Circle {
fn new() -> Circle {
Circle {}
}
fn area(&self, size: u32) -> Vec<Coordinate> {
let mut vec = Vec::new();
let mut x: i16 = (size-1) as i16;
let mut y: i16 = 0;
let mut dx: i16 = 1;
let mut dy: i16 = 1;
let x0: i16 = 0;
let y0: i16 = 0;
let mut err: i16 = dx - (size << 1) as i16;
while x >= y {
vec.append(&mut tools::plot(&Coordinate::new(x0 + x, y0 + y), &Coordinate::new(x0 - x, y0 + y)));
vec.append(&mut tools::plot(&Coordinate::new(x0 + x, y0 - y), &Coordinate::new(x0 - x, y0 - y)));
vec.append(&mut tools::plot(&Coordinate::new(x0 - y, y0 - x), &Coordinate::new(x0 - y, y0 + x)));
vec.append(&mut tools::plot(&Coordinate::new(x0 + y, y0 - x), &Coordinate::new(x0 + y, y0 + x)));
if err <= 0 {
y += 1;
err += dy;
dy += 2;
} else {
x -= 1;
dx += 2;
err += dx - (size << 1) as i16;
}
}
vec
}
}
impl Shape for Triangle {
fn new() -> Triangle {
Triangle {}
}
fn area(&self, size: u32) -> Vec<Coordinate> {
let mut vec = Vec::new();
let size = size as i16;
let start_x = size/2;
for i in 0..size {
vec.append(&mut tools::plot(&Coordinate::new(start_x,0), &Coordinate::new(i, size)));
}
vec
}
}
impl<'a> Hash for Node<'a> {
fn get_hash(&self) -> u64 {
self.hash
}
}
impl<'a, 'b> Hash for Group<'a, 'b> {
fn get_hash(&self) -> u64 {
self.settings.get_hash()
}
}
impl Coordinate {
pub fn new(x: i16, y: i16) -> Coordinate {
Coordinate {
x,
y
}
}
}
impl<'a> Node<'a> {
pub fn new(name: &str, geo: Coordinate) -> Node<'a> {
Node {
hash: data::calculate_hash(&name),
geo,
color: image::Rgba {data: [0,0,0,255]},
radius: None,
connections: Vec::new(),
}
}
pub fn link(&mut self, other: &'a Node<'a>) {
self.connections.push(Link::new(other));
}
}
impl<'a, 'b> Group<'a, 'b> {
pub fn new(name: &str, coordinates: Coordinate) -> Group<'a, 'b> {
Group {
settings: Node::new(name, coordinates),
nodes: Vec::new(),
}
}
pub fn link<L: Location>(&mut self, other: &'b Group) {
self.settings.link(&other.settings);
}
}
impl<'a, L: Location> Link<'a, L> {
pub fn new(to: &'a L) -> Link<'a, L> {
Link {
to,
color: image::Rgba {data: [0,0,0,255]},
}
}
}
impl<T: Draw + Hash> Network<T> {
pub fn new(elements: Vec<T>) -> Network<T> {
Network {
elements,
}
}
}
impl Coordinate {
pub fn diff(&self, other: &Coordinate) -> (i16, i16) {
node::coordinates::diff(&self, other)
}
}
impl<'a, 'b> Group<'a, 'b> {
pub fn get_nodes(&self) -> &Vec<Node> {
&self.nodes
}
pub fn new_node(&mut self, name: &str) {
let geo = node::coordinates::gen_radius(&self.settings.geo, 0, self.get_dynamic_radius());
self.new_node_inner(geo, name);
}
pub fn new_node_min_auto(&mut self, name: &str, min: u32) -> &Node {
let geo = node::coordinates::gen_radius(&self.settings.geo, 0, min+5);
self.new_node_inner(geo, name)
}
pub fn new_node_min_max(&mut self, name: &str, min: u32, max: u32) -> &Node {
let geo = node::coordinates::gen_radius(&self.settings.geo, min, max);
self.new_node_inner(geo, name)
}
pub fn new_node_inner(&mut self, geo: Coordinate, name: &str) -> &Node {
let mut node = Node::new(name,geo.clone());
node.color = self.gen_color(geo);
node.radius = self.settings.radius;
self.push(node);
&self.nodes.get(self.nodes.len() -1).unwrap()
}
pub fn new_simple(x: i16, y: i16) -> Group<'a, 'b> {
Group::new("", Coordinate::new(x, y))
}
pub fn push(&mut self, node: Node<'a>) {
self.nodes.push(node);
}
pub fn get_dynamic_radius(&self) -> u32 {
match self.settings.radius {
Some(x) => x,
None => 7 + self.nodes.len()as u32 /2,
}
}
pub fn gen_color(&self, coordinates: Coordinate) -> image::Rgba<u8> {
let radius = self.get_dynamic_radius() as i16;
let (x_dif, y_dif) = self.settings.geo.diff(&coordinates);
let x_scale: f64 = (x_dif as f64/radius as f64) as f64;
let y_scale: f64 = (y_dif as f64/radius as f64) as f64;
let c = self.settings.color.data;
let max_multi: f64 = ((c[0] as i32 + c[1] as i32 + c[2] as i32)/3) as f64;
let modify = (-max_multi*(x_scale+y_scale)/2.0) as i32;
image::Rgba {data: [
tools::border(c[0], modify),
tools::border(c[1], modify),
tools::border(c[2], modify),
tools::border(c[3], 0)
]}
}
}
impl Map {
pub fn new() -> Map {
Map {
image: None,
add: (0, 0),
size: 4,
}
}
pub fn map<T: Draw + Location>(mut self, element: &[T]) -> Self {
if self.image.is_none() {
let min_max = map::min_max(&element);
self.add = map::gen_stuff(min_max);
let res = map::gen_map_dimensions(min_max);
self.image = Some(map::gen_canvas(res.0, res.1));
println!("{}x{} | {}x{} | {}", res.0, res.1, self.add.0, self.add.1, self.size);
}
let sq = Square::new();
for e in element {
self.image = Some(e.draw(
self.image.unwrap(),
self.add.0,
self.add.1,
self.size,
&sq
));
}
self
}
}
impl<'a> Network<Node<'a>> {
pub fn path(&'a self, a: &str, b: &str, algorithm: &Fn(&'a Network<Node<'a>>, &str, &str) -> Vec<(usize, &'a Node<'a>)>) -> Vec<(usize, &'a Node<'a>)> {
let _goal = self.get_element(b)
.expect("goal does not exist in network");
let start = self.get_element(a)
.expect("start does not exist in network");
if start.get_links().is_empty() {
return Vec::new();
}
algorithm(&self, a, b)
}
pub fn contains<H: Hash>(&self, element: &H) -> bool {
for elem in self.elements.iter() {
if elem.get_hash() == element.get_hash() {
return true;
}
}
false
}
pub fn contains_index<H: Hash>(&self, element: &H) -> Option<usize> {
for (i, elem) in self.elements.iter().enumerate() {
if elem.get_hash() == element.get_hash() {
return Some(i);
}
}
None
}
pub fn get_element(&self, id: &str) -> Option<&Node<'a>> {
let tmp: Node = Node::new(id, Coordinate::new(0,0));
let goal_index_opt = self.contains_index(&tmp);
if goal_index_opt.is_none() {
return None;
}
let goal_index = goal_index_opt.unwrap();
self.elements.get(goal_index)
}
pub fn path_shortest_leg(network: &'a Network<Node<'a>>, a: &str, b: &str) -> Vec<(usize, &'a Node<'a>)> {
let mut node_path: Vec<(usize, &Node)> = Vec::new();
let goal = network.get_element(b)
.expect("goal does not exist in network");
let first = network.get_element(a)
.expect("start does not exist in network");
let mut max_loop = 100;
node_path.push((0, first));
while node_path.last().unwrap().1.get_coordinate() != goal.get_coordinate() {
let current: &Node = node_path.last().unwrap().1;
if max_loop <= 0 {
panic!("path exceeds maximum iterations");
}
max_loop -= 1;
let index = 0;
let links = current.get_links();
let next = links.get(index).unwrap().to;
if current.get_links().len() == 0 {
panic!("dead end path");
}
println!("Going to: {:?}", next);
node_path.push((index, next));
}
node_path
}
}
impl<'a, L: Location + PartialEq> PartialEq for Link<'a, L> {
fn eq(&self, other: &Link<L>) -> bool {
self.to == other.to
}
}