entities can be attacked

1 files changed, 30 insertions, 0 deletions

diff --git a/src/systems/attacking.rs b/src/systems/attacking.rs
new file mode 100644
index 0000000..0fb5cf7
--- /dev/null
+++ b/src/systems/attacking.rs
@@ -0,0 +1,30 @@
+
+use specs::{
+	WriteStorage,
+	System,
+	Join
+};
+
+use crate::{
+	components::{Health, Attacked},
+	util
+};
+
+
+pub struct Attacking;
+impl <'a> System<'a> for Attacking {
+	type SystemData = (
+		WriteStorage<'a, Attacked>,
+		WriteStorage<'a, Health>
+	);
+	fn run(&mut self, (mut victims, mut healths): Self::SystemData) {
+		
+		for (health, attacked) in (&mut healths, &mut victims).join() {
+			for attack in attacked.attacks.drain(..) {
+				health.health -= attack.damage;
+			}
+			health.health = util::clamp(health.health, 0, health.maxhealth);
+		}
+	}
+}
+