83 lines
1.9 KiB
Rust
83 lines
1.9 KiB
Rust
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// Copyright (c) 2021 Weird Constructor <weirdconstructor@gmail.com>
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// This is a part of HexoDSP. Released under (A)GPLv3 or any later.
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// See README.md and COPYING for details.
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#[derive(Debug, Clone, Copy, PartialEq, PartialOrd, Eq, Ord)]
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pub enum CellDir {
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TR,
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BR,
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B,
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BL,
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TL,
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T,
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/// Center
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C
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}
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impl CellDir {
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pub fn from(edge: u8) -> Self {
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match edge {
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0 => CellDir::TR,
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1 => CellDir::BR,
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2 => CellDir::B,
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3 => CellDir::BL,
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4 => CellDir::TL,
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5 => CellDir::T,
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_ => CellDir::C,
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}
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}
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#[inline]
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pub fn is_output(&self) -> bool {
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let e = self.to_edge();
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e <= 2
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}
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#[inline]
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pub fn is_input(&self) -> bool {
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!self.is_output()
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}
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#[inline]
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pub fn to_edge(&self) -> u8 {
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*self as u8
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}
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pub fn to_menu_pos(&self) -> (i32, i32) {
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match self {
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// out 1 - TR
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CellDir::TR => (0, 1),
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// out 2 - BR
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CellDir::BR => (1, 1),
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// out 3 - B
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CellDir::B => (0, 1),
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// in 3 - BL
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CellDir::BL => (-1, 1),
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// in 2 - TL
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CellDir::TL => (-1, 0),
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// in 1 - T
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CellDir::T => (0, -1),
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_ => (0, 0),
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}
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}
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pub fn to_offs(&self, x: usize) -> (i32, i32) {
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let even = x % 2 == 0;
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match self {
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// out 1 - TR
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CellDir::TR => (1, if even { -1 } else { 0 }),
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// out 2 - BR
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CellDir::BR => (1, if even { 0 } else { 1 }),
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// out 3 - B
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CellDir::B => (0, 1),
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// in 3 - BL
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CellDir::BL => (-1, if even { 0 } else { 1 }),
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// in 2 - TL
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CellDir::TL => (-1, if even { -1 } else { 0 }),
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// in 1 - T
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CellDir::T => (0, -1),
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_ => (0, 0),
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}
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}
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}
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