74 lines
2.3 KiB
Rust
74 lines
2.3 KiB
Rust
use rltk::RandomNumberGenerator;
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use crate::map_builders::common::{
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apply_horizontal_tunnel, apply_room_to_map, apply_vertical_tunnel,
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};
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use crate::map_builders::{BuilderMap, InitialMapBuilder};
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use crate::Rect;
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pub struct SimpleMapBuilder {}
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impl InitialMapBuilder for SimpleMapBuilder {
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#[allow(dead_code)]
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fn build_map(&mut self, rng: &mut RandomNumberGenerator, build_data: &mut BuilderMap) {
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self.rooms_and_corridors(rng, build_data);
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}
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}
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impl SimpleMapBuilder {
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#[allow(dead_code)]
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pub fn new() -> Box<SimpleMapBuilder> {
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Box::new(SimpleMapBuilder {})
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}
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fn rooms_and_corridors(
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&mut self,
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rng: &mut RandomNumberGenerator,
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build_data: &mut BuilderMap,
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) {
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const MAX_ROOMS: i32 = 30;
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const MIN_SIZE: i32 = 6;
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const MAX_SIZE: i32 = 10;
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let mut rooms: Vec<Rect> = Vec::new();
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for _ in 0..MAX_ROOMS {
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let w = rng.range(MIN_SIZE, MAX_SIZE);
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let h = rng.range(MIN_SIZE, MAX_SIZE);
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let x = rng.roll_dice(1, build_data.map.width - w - 1) - 1;
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let y = rng.roll_dice(1, build_data.map.height - h - 1) - 1;
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let new_room = Rect::new(x, y, w, h);
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let mut ok = true;
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for other_room in rooms.iter() {
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if new_room.intersect(other_room) {
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ok = false;
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}
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}
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if ok {
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apply_room_to_map(&mut build_data.map, &new_room);
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build_data.take_snapshot();
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if !rooms.is_empty() {
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let (new_x, new_y) = new_room.center();
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let (prev_x, prev_y) = rooms[rooms.len() - 1].center();
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if rng.range(0, 2) == 1 {
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apply_horizontal_tunnel(&mut build_data.map, prev_x, new_x, prev_y);
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apply_vertical_tunnel(&mut build_data.map, prev_y, new_y, new_x);
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} else {
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apply_vertical_tunnel(&mut build_data.map, prev_y, new_y, prev_x);
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apply_horizontal_tunnel(&mut build_data.map, prev_x, new_x, new_y);
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}
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}
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rooms.push(new_room);
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build_data.take_snapshot();
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}
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}
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build_data.rooms = Some(rooms);
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}
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}
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