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directions.rs
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162 lines (142 loc) · 5.48 KB
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use crate::{AxisXyz, FacingCardinal, FacingCardinalAndDown, FacingCubic};
use vek::Vec3;
impl FacingCardinal {
pub fn opposite(self) -> FacingCardinal {
match self {
FacingCardinal::North => FacingCardinal::South,
FacingCardinal::East => FacingCardinal::West,
FacingCardinal::South => FacingCardinal::North,
FacingCardinal::West => FacingCardinal::East,
}
}
pub fn right(self) -> FacingCardinal {
match self {
FacingCardinal::North => FacingCardinal::East,
FacingCardinal::East => FacingCardinal::South,
FacingCardinal::South => FacingCardinal::West,
FacingCardinal::West => FacingCardinal::North,
}
}
pub fn left(self) -> FacingCardinal {
match self {
FacingCardinal::North => FacingCardinal::West,
FacingCardinal::East => FacingCardinal::North,
FacingCardinal::South => FacingCardinal::East,
FacingCardinal::West => FacingCardinal::South,
}
}
pub fn is_horizontal(self) -> bool {
true
}
pub fn to_facing_cardinal_and_down(self) -> FacingCardinalAndDown {
match self {
FacingCardinal::North => FacingCardinalAndDown::North,
FacingCardinal::East => FacingCardinalAndDown::East,
FacingCardinal::South => FacingCardinalAndDown::South,
FacingCardinal::West => FacingCardinalAndDown::West,
}
}
pub fn to_facing_cubic(self) -> FacingCubic {
match self {
FacingCardinal::North => FacingCubic::North,
FacingCardinal::East => FacingCubic::East,
FacingCardinal::South => FacingCubic::South,
FacingCardinal::West => FacingCubic::West,
}
}
pub fn axis(self) -> AxisXyz {
self.to_facing_cubic().axis()
}
pub fn offset(self) -> Vec3<i32> {
self.to_facing_cubic().offset()
}
}
impl FacingCardinalAndDown {
pub fn opposite(self) -> Option<FacingCardinalAndDown> {
match self {
FacingCardinalAndDown::North => Some(FacingCardinalAndDown::South),
FacingCardinalAndDown::East => Some(FacingCardinalAndDown::West),
FacingCardinalAndDown::South => Some(FacingCardinalAndDown::North),
FacingCardinalAndDown::West => Some(FacingCardinalAndDown::East),
_ => None,
}
}
pub fn is_horizontal(self) -> bool {
self != FacingCardinalAndDown::Down
}
pub fn to_facing_cardinal(self) -> Option<FacingCardinal> {
match self {
FacingCardinalAndDown::North => Some(FacingCardinal::North),
FacingCardinalAndDown::East => Some(FacingCardinal::East),
FacingCardinalAndDown::South => Some(FacingCardinal::South),
FacingCardinalAndDown::West => Some(FacingCardinal::West),
_ => None,
}
}
pub fn to_facing_cubic(self) -> FacingCubic {
match self {
FacingCardinalAndDown::North => FacingCubic::North,
FacingCardinalAndDown::East => FacingCubic::East,
FacingCardinalAndDown::South => FacingCubic::South,
FacingCardinalAndDown::West => FacingCubic::West,
FacingCardinalAndDown::Down => FacingCubic::Down,
}
}
pub fn axis(self) -> AxisXyz {
self.to_facing_cubic().axis()
}
pub fn offset(self) -> Vec3<i32> {
self.to_facing_cubic().offset()
}
}
impl FacingCubic {
pub fn opposite(self) -> FacingCubic {
match self {
FacingCubic::North => FacingCubic::South,
FacingCubic::East => FacingCubic::West,
FacingCubic::South => FacingCubic::North,
FacingCubic::West => FacingCubic::East,
FacingCubic::Up => FacingCubic::Down,
FacingCubic::Down => FacingCubic::Up,
}
}
pub fn is_horizontal(self) -> bool {
!matches!(self, FacingCubic::Up | FacingCubic::Down)
}
pub fn to_facing_cardinal(self) -> Option<FacingCardinal> {
match self {
FacingCubic::North => Some(FacingCardinal::North),
FacingCubic::East => Some(FacingCardinal::East),
FacingCubic::South => Some(FacingCardinal::South),
FacingCubic::West => Some(FacingCardinal::West),
_ => None,
}
}
pub fn to_facing_cardinal_and_down(self) -> Option<FacingCardinalAndDown> {
match self {
FacingCubic::North => Some(FacingCardinalAndDown::North),
FacingCubic::East => Some(FacingCardinalAndDown::East),
FacingCubic::South => Some(FacingCardinalAndDown::South),
FacingCubic::West => Some(FacingCardinalAndDown::West),
FacingCubic::Down => Some(FacingCardinalAndDown::Down),
_ => None,
}
}
pub fn axis(self) -> AxisXyz {
match self {
FacingCubic::East | FacingCubic::West => AxisXyz::X,
FacingCubic::Up | FacingCubic::Down => AxisXyz::Y,
FacingCubic::North | FacingCubic::South => AxisXyz::Z,
}
}
pub fn offset(self) -> Vec3<i32> {
match self {
FacingCubic::North => Vec3 { x: 0, y: 0, z: -1 },
FacingCubic::East => Vec3 { x: 1, y: 0, z: 0 },
FacingCubic::South => Vec3 { x: 0, y: 0, z: 1 },
FacingCubic::West => Vec3 { x: -1, y: 0, z: 0 },
FacingCubic::Up => Vec3 { x: 0, y: 1, z: 0 },
FacingCubic::Down => Vec3 { x: 0, y: -1, z: 0 },
}
}
}