2021-12-17 11:14:41 -05:00
|
|
|
use std::collections::HashSet;
|
|
|
|
|
2021-12-24 10:38:44 -05:00
|
|
|
use ::rltk::RandomNumberGenerator;
|
2021-12-17 11:14:41 -05:00
|
|
|
|
2021-12-17 10:57:03 -05:00
|
|
|
use super::{BuilderMap, MetaMapBuilder};
|
|
|
|
use crate::{Rect, TileType};
|
|
|
|
|
|
|
|
pub struct StraightLineCorridors {}
|
|
|
|
|
|
|
|
impl MetaMapBuilder for StraightLineCorridors {
|
|
|
|
#[allow(dead_code)]
|
|
|
|
fn build_map(&mut self, rng: &mut RandomNumberGenerator, build_data: &mut BuilderMap) {
|
|
|
|
self.corridors(rng, build_data);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
impl StraightLineCorridors {
|
|
|
|
#[allow(dead_code)]
|
|
|
|
pub fn new() -> Box<StraightLineCorridors> {
|
|
|
|
Box::new(StraightLineCorridors {})
|
|
|
|
}
|
|
|
|
|
|
|
|
fn corridors(&mut self, _rng: &mut RandomNumberGenerator, build_data: &mut BuilderMap) {
|
|
|
|
let rooms: Vec<Rect>;
|
|
|
|
if let Some(rooms_builder) = &build_data.rooms {
|
|
|
|
rooms = rooms_builder.clone();
|
|
|
|
} else {
|
|
|
|
panic!("Straight Line Corridors require a builder with room structures.");
|
|
|
|
}
|
|
|
|
|
|
|
|
let mut connected: HashSet<usize> = HashSet::new();
|
2021-12-17 11:14:41 -05:00
|
|
|
let mut corridors: Vec<Vec<usize>> = Vec::new();
|
2021-12-17 10:57:03 -05:00
|
|
|
for (i, room) in rooms.iter().enumerate() {
|
|
|
|
let mut room_distance: Vec<(usize, f32)> = Vec::new();
|
|
|
|
let room_center = room.center();
|
|
|
|
let room_center_pt = rltk::Point::new(room_center.0, room_center.1);
|
|
|
|
|
|
|
|
for (j, other_room) in rooms.iter().enumerate() {
|
|
|
|
if i != j && !connected.contains(&j) {
|
|
|
|
let other_center = other_room.center();
|
|
|
|
let other_center_pt = rltk::Point::new(other_center.0, other_center.1);
|
|
|
|
let distance =
|
|
|
|
rltk::DistanceAlg::Pythagoras.distance2d(room_center_pt, other_center_pt);
|
|
|
|
|
|
|
|
room_distance.push((j, distance));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if !room_distance.is_empty() {
|
|
|
|
room_distance.sort_by(|a, b| a.1.partial_cmp(&b.1).unwrap());
|
|
|
|
let dest_center = rooms[room_distance[0].0].center();
|
|
|
|
let line = rltk::line2d(
|
|
|
|
rltk::LineAlg::Bresenham,
|
|
|
|
room_center_pt,
|
|
|
|
rltk::Point::new(dest_center.0, dest_center.1),
|
|
|
|
);
|
2021-12-17 11:14:41 -05:00
|
|
|
let mut corridor = Vec::new();
|
2021-12-17 10:57:03 -05:00
|
|
|
|
|
|
|
for cell in line.iter() {
|
|
|
|
let idx = build_data.map.xy_idx(cell.x, cell.y);
|
2021-12-17 11:14:41 -05:00
|
|
|
if build_data.map.tiles[idx] != TileType::Floor {
|
|
|
|
build_data.map.tiles[idx] = TileType::Floor;
|
|
|
|
corridor.push(idx);
|
|
|
|
}
|
2021-12-17 10:57:03 -05:00
|
|
|
}
|
2021-12-17 11:14:41 -05:00
|
|
|
corridors.push(corridor);
|
2021-12-17 10:57:03 -05:00
|
|
|
connected.insert(i);
|
|
|
|
build_data.take_snapshot();
|
|
|
|
}
|
|
|
|
}
|
2021-12-17 11:14:41 -05:00
|
|
|
|
|
|
|
build_data.corridors = Some(corridors);
|
2021-12-17 10:57:03 -05:00
|
|
|
}
|
|
|
|
}
|