1 files changed, 34 insertions, 0 deletions
diff --git a/src/systems/volate.rs b/src/systems/volate.rs
new file mode 100644
index 0000000..8cfa826
--- /dev/null
+++ b/src/systems/volate.rs
@@ -0,0 +1,34 @@
+
+use specs::{
+	Read,
+	WriteStorage,
+	Entities,
+	System,
+	Join
+};
+
+use crate::{
+	components::{Volatile, Removed},
+	resources::TimeStamp
+};
+
+pub struct Volate;
+impl <'a> System<'a> for Volate {
+	type SystemData = (
+		Entities<'a>,
+		WriteStorage<'a, Volatile>,
+		WriteStorage<'a, Removed>,
+		Read<'a, TimeStamp>
+	);
+	fn run(&mut self, (entities, mut volatiles, mut removals, timestamp): Self::SystemData) {
+		for (ent, volatile) in (&entities, &mut volatiles).join() {
+			if let Some(time) = volatile.end_time {
+				if time <= timestamp.time {
+					removals.insert(ent, Removed).unwrap();
+				}
+			} else {
+				volatile.end_time = Some(timestamp.time + volatile.delay);
+			}
+		}
+	}
+}