1 files changed, 55 insertions, 0 deletions
diff --git a/src/systems/timeout.rs b/src/systems/timeout.rs
new file mode 100644
index 0000000..087ffa9
--- /dev/null
+++ b/src/systems/timeout.rs
@@ -0,0 +1,55 @@
+
+use rand;
+
+use specs::{
+	WriteStorage,
+	Entities,
+	System,
+	Join,
+	Read
+};
+
+use crate::{
+	components::{
+		Timer,
+		TimeOffset,
+		TriggerBox
+	},
+	resources::{Time}
+};
+
+
+pub struct Timeout;
+impl <'a> System<'a> for Timeout {
+	type SystemData = (
+		Entities<'a>,
+		WriteStorage<'a, Timer>,
+		WriteStorage<'a, TriggerBox>,
+		Read<'a, Time>,
+		WriteStorage<'a, TimeOffset>
+	);
+	
+	fn run(&mut self, (entities, mut timers, mut triggerboxes, time, mut time_offsets): Self::SystemData) {
+		for (entity, timer) in (&entities, &mut timers).join(){
+			if timer.target_time == None {
+				let creation_time = time.time + time_offsets.get(entity).map(|ct| ct.dtime).unwrap_or(0);
+				let mut r = 1.0 - rand::random::<f64>() * timer.spread;
+				if rand::random() {
+					r = 1.0 / r;
+				}
+				let duration = (timer.delay as f64 * r + 0.4) as i64;
+				timer.target_time = Some(creation_time + duration);
+			}
+			let target_time = timer.target_time.unwrap();
+			if target_time <= time.time {
+				if target_time < time.time {
+					time_offsets.insert(entity, TimeOffset{dtime: target_time.0 - time.time.0}).unwrap();
+				} else {
+					time_offsets.remove(entity);
+				}
+				TriggerBox::add_message(&mut triggerboxes, entity, timer.trigger);
+				timer.target_time = None;
+			}
+		}
+	}
+}