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Add map generator margin

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This commit is contained in:
Alex Bethel 2022-01-01 15:04:43 -06:00
parent aa0b600ec8
commit 955a1cd4b2
1 changed files with 7 additions and 2 deletions
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9
src/rooms.rs
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@ -33,6 +33,11 @@ const ROOM_SIZE_LIMITS: Range<usize> = 4..8;
/// at least 1 to ensure that walls generate. /// at least 1 to ensure that walls generate.
const ROOM_MIN_DISTANCE: usize = 4; const ROOM_MIN_DISTANCE: usize = 4;
/// The minimum distance between the interior of a room and the edge
/// of the map. Should be at least 1 to ensure that all rooms have
/// walls.
const ROOM_MARGIN: usize = 2;
/// Factor to encourage routes to travel through existing rooms rather /// Factor to encourage routes to travel through existing rooms rather
/// than cutting new hallways. 0.0 very strongly encourages traveling /// than cutting new hallways. 0.0 very strongly encourages traveling
/// through rooms, 1.0 is indifferent to the existence of rooms, and /// through rooms, 1.0 is indifferent to the existence of rooms, and
@ -143,8 +148,8 @@ impl RoomBounds {
rng.gen_range(ROOM_SIZE_LIMITS), rng.gen_range(ROOM_SIZE_LIMITS),
); );
let ul_corner = ( let ul_corner = (
rng.gen_range(0..region_size.0 - size.0), rng.gen_range(ROOM_MARGIN..region_size.0 - size.0 - ROOM_MARGIN),
rng.gen_range(0..region_size.1 - size.1), rng.gen_range(ROOM_MARGIN..region_size.1 - size.1 - ROOM_MARGIN),
); );
let new_room = Self { ul_corner, size }; let new_room = Self { ul_corner, size };