Add "just pressed" input tracking

Cargo.toml

@@ -1,9 +1,10 @@
 [package]
 name = "bevy_terminal_display"
-version = "0.3.0"
+version = "0.4.0"
 edition = "2021"
 license = "0BSD OR MIT OR Apache-2.0"
 description = "A plugin for the Bevy game engine which enables rendering to a terminal using unicode braille characters."
+repository = "https://github.com/exvacuum/bevy_terminal_display"
 
 [dependencies]
 crossbeam-channel = "0.5"

README.md

@@ -25,7 +25,7 @@ Features Include:
 
 | Crate Version | Bevy Version |
 |---            |---           |
-| 0.3           | 0.14         |
+| 0.3-0.4       | 0.14         |
 | 0.2           | 0.13         |
 
 ## Installation

src/input/resources.rs

@@ -1,4 +1,4 @@
-use bevy::{prelude::*, utils::HashSet};
+use bevy::{prelude:: *, utils::HashSet};
 use crossterm::event::{Event, KeyCode};
 use std::sync::{Arc, Mutex};
 
@@ -6,7 +6,8 @@ use std::sync::{Arc, Mutex};
 #[derive(Resource, Default)]
 pub struct TerminalInput {
     pressed_keys: HashSet<KeyCode>,
-    released_keys: HashSet<KeyCode>,
+    just_pressed_keys: HashSet<KeyCode>,
+    just_released_keys: HashSet<KeyCode>,
 }
 
 impl TerminalInput {
@@ -15,31 +16,36 @@ impl TerminalInput {
         self.pressed_keys.contains(&code)
     }
 
-    /// Gets whether the given key is released
-    pub fn is_released(&self, code: KeyCode) -> bool {
-        self.released_keys.contains(&code)
+    /// Gets whether the given key was just pressed
+    pub fn just_pressed(&self, code: KeyCode) -> bool {
+        self.just_pressed_keys.contains(&code)
+    }
+
+    /// Gets whether the given key was just released
+    pub fn just_released(&self, code: KeyCode) -> bool {
+        self.just_released_keys.contains(&code)
     }
 
     /// Sets given key to pressed
     pub(super) fn press(&mut self, code: KeyCode) {
-        if !self.is_pressed(code) {
-            self.pressed_keys.insert(code);
-        }
+        self.pressed_keys.insert(code);
+        self.just_pressed_keys.insert(code);
     }
 
     /// Sets given key to released and removes pressed state
     pub(super) fn release(&mut self, code: KeyCode) {
-        if self.is_pressed(code) {
-            self.pressed_keys.remove(&code);
-        }
-        if !self.is_released(code) {
-            self.released_keys.insert(code);
-        }
+        self.pressed_keys.remove(&code);
+        self.just_released_keys.insert(code);
     }
 
-    /// Clears all released keys
-    pub(super) fn clear_released(&mut self) {
-        self.released_keys.clear();
+    /// Clears all just released keys
+    pub(super) fn clear_just_released(&mut self) {
+        self.just_released_keys.clear();
+    }
+    
+    /// Clears all just pressed keys
+    pub(super) fn clear_just_pressed(&mut self) {
+        self.just_pressed_keys.clear();
     }
 }
 

src/input/systems.rs

@@ -29,7 +29,8 @@ pub fn input_handling(
     mut input: ResMut<TerminalInput>,
     mut event_writer: EventWriter<TerminalInputEvent>,
 ) {
-    input.clear_released();
+    input.clear_just_released();
+    input.clear_just_pressed();
     let mut event_queue = event_queue.0.lock().unwrap();
     let mut key_events = Vec::<KeyEvent>::new();
     while let Some(event) = event_queue.pop() {
@@ -51,4 +52,4 @@ pub fn input_handling(
             _ => (),
         }
     }
-}
+}