60 lines
1.8 KiB
Rust
60 lines
1.8 KiB
Rust
use crate::map_builders::{BuilderMap, MetaMapBuilder};
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use crate::{Rect, TileType};
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pub struct RoomCornerRounder {}
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impl MetaMapBuilder for RoomCornerRounder {
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fn build_map(&mut self, build_data: &mut BuilderMap) {
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self.build(build_data);
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}
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}
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impl RoomCornerRounder {
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#[allow(dead_code)]
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pub fn new() -> Box<RoomCornerRounder> {
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Box::new(RoomCornerRounder {})
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}
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fn fill_if_corner(&mut self, x: i32, y: i32, build_data: &mut BuilderMap) {
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let w = build_data.map.width;
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let h = build_data.map.height;
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let idx = build_data.map.xy_idx(x, y);
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let mut neighbor_walls = 0;
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if x > 0 && build_data.map.tiles[idx - 1] == TileType::Wall {
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neighbor_walls += 1;
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}
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if y > 0 && build_data.map.tiles[idx - w as usize] == TileType::Wall {
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neighbor_walls += 1;
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}
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if x < w - 2 && build_data.map.tiles[idx + 1] == TileType::Wall {
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neighbor_walls += 1;
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}
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if y < h - 2 && build_data.map.tiles[idx + w as usize] == TileType::Wall {
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neighbor_walls += 1;
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}
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if neighbor_walls == 2 {
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build_data.map.tiles[idx] = TileType::Wall;
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}
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}
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fn build(&mut self, build_data: &mut BuilderMap) {
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let rooms: Vec<Rect>;
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if let Some(rooms_builder) = &build_data.rooms {
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rooms = rooms_builder.clone();
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} else {
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panic!("Room Rounding requires a builder with room structures");
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}
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for room in rooms.iter() {
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self.fill_if_corner(room.x1 + 1, room.y1 + 1, build_data);
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self.fill_if_corner(room.x2, room.y1 + 1, build_data);
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self.fill_if_corner(room.x1 + 1, room.y2, build_data);
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self.fill_if_corner(room.x2, room.y2, build_data);
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build_data.take_snapshot();
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}
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}
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}
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