90 lines
2.7 KiB
Rust
90 lines
2.7 KiB
Rust
use ::rltk::RandomNumberGenerator;
|
|
|
|
use super::{BuilderChain, BuilderMap, InitialMapBuilder};
|
|
use crate::map_builders::area_starting_points::AreaStartingPosition;
|
|
use crate::map_builders::distant_exit::DistantExit;
|
|
use crate::TileType;
|
|
|
|
pub fn town_builder(
|
|
new_depth: i32,
|
|
rng: &mut RandomNumberGenerator,
|
|
width: i32,
|
|
height: i32,
|
|
) -> BuilderChain {
|
|
let (start_x, start_y) = super::random_start_position(rng);
|
|
let mut chain = BuilderChain::new(new_depth, width, height);
|
|
|
|
chain
|
|
.start_with(TownBuilder::new())
|
|
.with(AreaStartingPosition::new(start_x, start_y))
|
|
.with(DistantExit::new());
|
|
|
|
chain
|
|
}
|
|
|
|
pub struct TownBuilder {}
|
|
|
|
impl InitialMapBuilder for TownBuilder {
|
|
#[allow(dead_code)]
|
|
fn build_map(&mut self, rng: &mut RandomNumberGenerator, build_data: &mut BuilderMap) {
|
|
self.build_rooms(rng, build_data);
|
|
}
|
|
}
|
|
|
|
impl TownBuilder {
|
|
pub fn new() -> Box<TownBuilder> {
|
|
Box::new(TownBuilder {})
|
|
}
|
|
|
|
pub fn build_rooms(&mut self, rng: &mut RandomNumberGenerator, build_data: &mut BuilderMap) {
|
|
self.grass_layer(build_data);
|
|
self.water_and_piers(rng, build_data);
|
|
|
|
// Make visible for screenshot
|
|
for t in build_data.map.visible_tiles.iter_mut() {
|
|
*t = true;
|
|
}
|
|
build_data.take_snapshot();
|
|
}
|
|
|
|
fn grass_layer(&mut self, build_data: &mut BuilderMap) {
|
|
// We'll start with a nice layer of grass
|
|
for t in build_data.map.tiles.iter_mut() {
|
|
*t = TileType::Grass
|
|
}
|
|
build_data.take_snapshot();
|
|
}
|
|
|
|
fn water_and_piers(&mut self, rng: &mut RandomNumberGenerator, build_data: &mut BuilderMap) {
|
|
let mut n = (rng.roll_dice(1, 65535) as f32) / 65535_f32;
|
|
let mut water_width: Vec<i32> = Vec::new();
|
|
|
|
for y in 0..build_data.height {
|
|
let n_water = (f32::sin(n) * 10.0) as i32 + 14 + rng.roll_dice(1, 6);
|
|
water_width.push(n_water);
|
|
n += 0.1;
|
|
|
|
for x in 0..n_water {
|
|
let idx = build_data.map.xy_idx(x, y);
|
|
build_data.map.tiles[idx] = TileType::DeepWater;
|
|
}
|
|
|
|
for x in n_water..n_water + 3 {
|
|
let idx = build_data.map.xy_idx(x, y);
|
|
build_data.map.tiles[idx] = TileType::ShallowWater;
|
|
}
|
|
}
|
|
build_data.take_snapshot();
|
|
|
|
// Add piers
|
|
for _i in 0..rng.roll_dice(1, 4) + 6 {
|
|
let y = rng.roll_dice(1, build_data.height) - 1;
|
|
for x in 2 + rng.roll_dice(1, 6)..water_width[y as usize] + 4 {
|
|
let idx = build_data.map.xy_idx(x, y);
|
|
build_data.map.tiles[idx] = TileType::WoodFloor;
|
|
}
|
|
}
|
|
build_data.take_snapshot();
|
|
}
|
|
}
|