From a002e4d738535e6ca779c71231f7b84864b9a8d0 Mon Sep 17 00:00:00 2001
From: Silas Bartha <silas@exvacuum.dev>
Date: Tue, 4 Jun 2024 15:00:16 -0400
Subject: Refactored + Renamed + Added Docs

---
 src/input/systems.rs | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 src/input/systems.rs

(limited to 'src/input/systems.rs')

diff --git a/src/input/systems.rs b/src/input/systems.rs
new file mode 100644
index 0000000..3b7f11d
--- /dev/null
+++ b/src/input/systems.rs
@@ -0,0 +1,46 @@
+use bevy::prelude::*;
+use crossterm::event::{read, Event, KeyEventKind};
+
+use super::{events::TerminalInputEvent, resources::{EventQueue, TerminalInput}};
+
+/// Initializes event queue and thread
+pub fn setup_input(event_queue: Res<EventQueue>) {
+    let event_queue = event_queue.0.clone();
+    std::thread::spawn(move || {
+        loop {
+            // `read()` blocks until an `Event` is available
+            match read() {
+                Ok(event) => {
+                    event_queue.lock().unwrap().push(event);
+                }
+                Err(err) => {
+                    panic!("Error reading input events: {:?}", err);
+                }
+            }
+        }
+    });
+}
+
+/// Reads events from queue and broadcasts corresponding `TerminalInputEvent`s
+pub fn input_handling(
+    event_queue: Res<EventQueue>,
+    mut input: ResMut<TerminalInput>,
+    mut event_writer: EventWriter<TerminalInputEvent>,
+) {
+    input.clear_released();
+    let mut event_queue = event_queue.0.lock().unwrap();
+    while let Some(event) = event_queue.pop() {
+        if let Event::Key(event) = event {
+            match event.kind {
+                KeyEventKind::Press => {
+                    input.press(event.code);
+                }
+                KeyEventKind::Release => {
+                    input.release(event.code);
+                }
+                _ => (),
+            }
+        }
+        event_writer.send(TerminalInputEvent(event));
+    }
+}
-- 
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