87 lines
2.9 KiB
Rust
87 lines
2.9 KiB
Rust
use ::rltk::RandomNumberGenerator;
|
|
|
|
use super::{
|
|
AreaStartingPosition, BuilderChain, BuilderMap, CullUnreachable, DistantExit,
|
|
DrunkardsWalkBuilder, MetaMapBuilder, VoronoiSpawning, XStart, YStart,
|
|
};
|
|
use crate::map::{self, TileType};
|
|
|
|
pub fn limestone_cavern_builder(
|
|
new_depth: i32,
|
|
_rng: &mut RandomNumberGenerator,
|
|
width: i32,
|
|
height: i32,
|
|
) -> BuilderChain {
|
|
let mut chain = BuilderChain::new(new_depth, width, height, "Limestone Caverns");
|
|
chain
|
|
.start_with(DrunkardsWalkBuilder::winding_passages())
|
|
.with(AreaStartingPosition::new(XStart::Center, YStart::Center))
|
|
.with(CullUnreachable::new())
|
|
.with(AreaStartingPosition::new(XStart::Left, YStart::Center))
|
|
.with(VoronoiSpawning::new())
|
|
.with(DistantExit::new())
|
|
.with(CaveDecorator::new());
|
|
|
|
chain
|
|
}
|
|
|
|
pub struct CaveDecorator {}
|
|
|
|
impl MetaMapBuilder for CaveDecorator {
|
|
fn build_map(&mut self, rng: &mut RandomNumberGenerator, build_data: &mut BuilderMap) {
|
|
self.build(rng, build_data);
|
|
}
|
|
}
|
|
|
|
impl CaveDecorator {
|
|
#[allow(dead_code)]
|
|
pub fn new() -> Box<CaveDecorator> {
|
|
Box::new(CaveDecorator {})
|
|
}
|
|
|
|
fn build(&mut self, rng: &mut RandomNumberGenerator, build_data: &mut BuilderMap) {
|
|
let old_map = build_data.map.clone();
|
|
for (idx, tt) in build_data.map.tiles.iter_mut().enumerate() {
|
|
// Gravel Spawning
|
|
if *tt == TileType::Floor && rng.roll_dice(1, 6) == 1 {
|
|
*tt = TileType::Gravel;
|
|
} else if *tt == TileType::Floor && rng.roll_dice(1, 10) == 1 {
|
|
// Spawn passable pools
|
|
*tt = TileType::ShallowWater;
|
|
} else if *tt == TileType::Wall {
|
|
// Spawn deep pools and stalactites
|
|
let mut neighbors = 0;
|
|
let x = idx as i32 % old_map.width;
|
|
let y = idx as i32 / old_map.width;
|
|
|
|
if x > 0 && old_map.tiles[idx - 1] == TileType::Wall {
|
|
neighbors += 1;
|
|
}
|
|
if x < old_map.width - 2 && old_map.tiles[idx + 1] == TileType::Wall {
|
|
neighbors += 1
|
|
}
|
|
if y > 0 && old_map.tiles[idx - old_map.width as usize] == TileType::Wall {
|
|
neighbors += 1
|
|
}
|
|
if y < old_map.height - 2
|
|
&& old_map.tiles[idx + old_map.width as usize] == TileType::Wall
|
|
{
|
|
neighbors += 1
|
|
}
|
|
|
|
if neighbors == 2 {
|
|
*tt = TileType::DeepWater;
|
|
} else if neighbors == 1 {
|
|
*tt = match rng.roll_dice(1, 4) {
|
|
1 => TileType::Stalactite,
|
|
2 => TileType::Stalagmite,
|
|
_ => *tt,
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
build_data.take_snapshot();
|
|
}
|
|
}
|