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144 lines
3.5 KiB
144 lines
3.5 KiB
//! Transmission tiles: allow for inter-Pane communication
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use crate::prelude::*;
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/// Instantly sends any incomming signals to `coordinates`
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#[derive(Clone, Debug)]
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pub struct Portal {
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pub coordinates: (String, usize, usize),
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}
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impl Portal {
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pub fn new(name: String, x: usize, y: usize) -> Self {
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Self {
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coordinates: (name, x, y)
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}
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}
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}
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impl Tile for Portal {
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fn update<'b>(&'b mut self, mut context: UpdateContext<'b>) {
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if let Some(signal) = context.take_signal() {
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context.send_outbound(self.coordinates.clone(), signal);
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}
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if context.state() != State::Idle {
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context.next_state();
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}
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}
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fn draw(&self, x: usize, y: usize, state: State, surface: &mut TextSurface) {
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surface.set(x, y, TextChar::from_state('P', state));
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}
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}
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#[cfg(test)]
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mod test {
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use super::*;
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#[test]
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fn test_portal_transmit_same_pane() {
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use crate::{Diode, Wire};
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use Direction::*;
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use Orientation::*;
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let mut main_pane = test_tile_setup!(
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3,
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3,
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[
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Diode::new(Right), Portal::new(String::from("main"), 2, 2), (),
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(), (), (),
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(), (), Wire::new(Any)
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]
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);
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test_set_signal!(main_pane, (0, 0), Right);
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let mut world = World::new();
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world.set_pane(String::from("main"), main_pane);
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world.step();
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assert_signal!(world.get_pane("main").unwrap(), (1, 0));
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world.step();
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assert_no_signal!(world.get_pane("main").unwrap(), (1, 0));
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assert_signal!(world.get_pane("main").unwrap(), (2, 2));
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world.step();
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assert_no_signal!(world.get_pane("main").unwrap(), (0, 0));
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assert_no_signal!(world.get_pane("main").unwrap(), (1, 0));
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assert_no_signal!(world.get_pane("main").unwrap(), (2, 2));
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}
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#[test]
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fn test_portal_transmit_other_pane() {
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use crate::{Diode, Wire};
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use Direction::*;
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use Orientation::*;
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let mut main_pane = test_tile_setup!(
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2,
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1,
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[
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Diode::new(Right), Portal::new(String::from("sub"), 0, 0),
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]
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);
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test_set_signal!(main_pane, (0, 0), Right);
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let sub_pane = test_tile_setup!(
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1,
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1,
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[
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Wire::new(Any),
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]
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);
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let mut world = World::new();
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world.set_pane(String::from("main"), main_pane);
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world.set_pane(String::from("sub"), sub_pane);
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world.step();
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assert_signal!(world.get_pane("main").unwrap(), (1, 0));
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world.step();
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assert_no_signal!(world.get_pane("main").unwrap(), (1, 0));
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assert_signal!(world.get_pane("sub").unwrap(), (0, 0));
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world.step();
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assert_no_signal!(world.get_pane("main").unwrap(), (0, 0));
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assert_no_signal!(world.get_pane("main").unwrap(), (1, 0));
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assert_no_signal!(world.get_pane("sub").unwrap(), (0, 0));
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}
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#[test]
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fn test_portal_transmit_self() {
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use Direction::*;
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let mut main_pane = test_tile_setup!(
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1,
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1,
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[
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Portal::new(String::from("main"), 0, 0),
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]
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);
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test_set_signal!(main_pane, (0, 0), Right);
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let mut world = World::new();
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world.set_pane(String::from("main"), main_pane);
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for _ in 0..5 {
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world.step();
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assert_signal!(world.get_pane("main").unwrap(), (0, 0));
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}
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}
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}
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