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roguelike-game/src/map_builders/simple_map.rs

49 lines
1.3 KiB
Rust

use crate::map_builders::{BuilderMap, InitialMapBuilder};
use crate::rng::{range, roll_dice};
use crate::Rect;
pub struct SimpleMapBuilder {}
impl InitialMapBuilder for SimpleMapBuilder {
#[allow(dead_code)]
fn build_map(&mut self, build_data: &mut BuilderMap) {
self.build_rooms(build_data);
}
}
impl SimpleMapBuilder {
#[allow(dead_code)]
pub fn new() -> Box<SimpleMapBuilder> {
Box::new(SimpleMapBuilder {})
}
fn build_rooms(&mut self, build_data: &mut BuilderMap) {
const MAX_ROOMS: i32 = 30;
const MIN_SIZE: i32 = 6;
const MAX_SIZE: i32 = 10;
let mut rooms: Vec<Rect> = Vec::new();
for _ in 0..MAX_ROOMS {
let w = range(MIN_SIZE, MAX_SIZE);
let h = range(MIN_SIZE, MAX_SIZE);
let x = roll_dice(1, build_data.map.width - w - 1) - 1;
let y = roll_dice(1, build_data.map.height - h - 1) - 1;
let new_room = Rect::new(x, y, w, h);
let mut ok = true;
for other_room in rooms.iter() {
if new_room.intersect(other_room) {
ok = false;
}
}
if ok {
rooms.push(new_room);
}
}
build_data.rooms = Some(rooms);
}
}