tuxmain/HexoDSP
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Add implementation to detect adjacent cell positions to CellDir

Browse source
This commit is contained in:
Weird Constructor 2021-07-27 18:56:15 +02:00
parent cce6f3fc91
commit f134ba102c
1 changed files with 36 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

36
src/cell_dir.rs
View file

@ -91,4 +91,40 @@ impl CellDir {
_ => (0, 0),
}
}
/// If it returns 0 they are not adjacent,
/// if it returns 1 the data flow direction is pos_a => pos_b
/// if it returns -1 the data flow direction is pos_b => pos_a
pub fn are_adjacent(pos_a: (usize, usize), pos_b: (usize, usize)) -> Option<CellDir> {
let ipos_a = (pos_a.0 as i32, pos_a.1 as i32);
let ipos_b = (pos_b.0 as i32, pos_b.1 as i32);
let (ox, oy) = CellDir::T.as_offs(pos_a.0);
if ipos_b == (ipos_a.0 + ox, ipos_a.1 + oy) {
return Some(CellDir::T);
}
let (ox, oy) = CellDir::TL.as_offs(pos_a.0);
if ipos_b == (ipos_a.0 + ox, ipos_a.1 + oy) {
return Some(CellDir::TL);
}
let (ox, oy) = CellDir::BL.as_offs(pos_a.0);
if ipos_b == (ipos_a.0 + ox, ipos_a.1 + oy) {
return Some(CellDir::BL);
}
let (ox, oy) = CellDir::TR.as_offs(pos_a.0);
if ipos_b == (ipos_a.0 + ox, ipos_a.1 + oy) {
return Some(CellDir::TR);
}
let (ox, oy) = CellDir::BR.as_offs(pos_a.0);
if ipos_b == (ipos_a.0 + ox, ipos_a.1 + oy) {
return Some(CellDir::BR);
}
let (ox, oy) = CellDir::B.as_offs(pos_a.0);
if ipos_b == (ipos_a.0 + ox, ipos_a.1 + oy) {
return Some(CellDir::B);
}
None
}
}