1 files changed, 48 insertions, 0 deletions
diff --git a/src/input/resources.rs b/src/input/resources.rs
new file mode 100644
index 0000000..afe6353
--- /dev/null
+++ b/src/input/resources.rs
@@ -0,0 +1,48 @@
+use bevy::{prelude::*, utils::HashSet};
+use crossterm::event::{Event, KeyCode};
+use std::sync::{Arc, Mutex};
+
+/// Resource containing currently pressed and released keys
+#[derive(Resource, Default)]
+pub struct TerminalInput {
+    pressed_keys: HashSet<KeyCode>,
+    released_keys: HashSet<KeyCode>,
+}
+
+impl TerminalInput {
+    /// Gets whether the given key is pressed
+    pub fn is_pressed(&self, code: KeyCode) -> bool {
+        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)
+    }
+
+    /// Sets given key to pressed
+    pub(super) fn press(&mut self, code: KeyCode) {
+        if !self.is_pressed(code) {
+            self.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);
+        }
+    }
+
+    /// Clears all released keys
+    pub(super) fn clear_released(&mut self) {
+        self.released_keys.clear();
+    }
+}
+
+/// Event queue for crossterm input event thread
+#[derive(Resource, Default)]
+pub(crate) struct EventQueue(pub(super) Arc<Mutex<Vec<Event>>>);