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use engine::constants::*;
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub struct Point {
pub index: u8
}
impl Point {
pub fn new(x: u8, y: u8) -> Point {
let flipped_x = if x >= SINGLE_MAP_WIDTH {
FULL_MAP_WIDTH - x - 1
} else {
x
};
Point {
index: y * SINGLE_MAP_WIDTH + flipped_x
}
}
pub fn new_index(index: u8) -> Point {
Point {
index
}
}
pub fn new_double_bitfield(x: u8, y: u8, is_left_player: bool) -> (u64, u64) {
let bitfield = Point::new(x, y).to_either_bitfield();
if (x >= SINGLE_MAP_WIDTH) == is_left_player {
(0, bitfield)
} else {
(bitfield, 0)
}
}
pub fn x(self) -> u8 {
self.index % SINGLE_MAP_WIDTH
}
pub fn y(self) -> u8 {
self.index / SINGLE_MAP_WIDTH
}
}
impl Point {
/**
* # Bitfields
*
* 0,0 is the top left point.
* >> (towards 0) moves bits towards the player that owns that side
* << (towards max) moves bits towards the opponent
* This involves mirroring the x dimension for the opponent's side
*/
pub fn to_either_bitfield(self) -> u64 {
1u64 << self.index
}
}
use std::cmp::Ord;
use std::cmp::Ordering;
impl PartialOrd for Point {
fn partial_cmp(&self, other: &Point) -> Option<Ordering> {
Some(self.cmp(other))
}
}
impl Ord for Point {
fn cmp(&self, other: &Point) -> Ordering {
self.index.cmp(&other.index)
}
}
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