players can now attack other objects

1 files changed, 55 insertions, 0 deletions

diff --git a/src/systems/fight.rs b/src/systems/fight.rs
new file mode 100644
index 0000000..4b3c672
--- /dev/null
+++ b/src/systems/fight.rs
@@ -0,0 +1,55 @@
+
+use std::collections::HashSet;
+use specs::{
+	Entities,
+	ReadStorage,
+	WriteStorage,
+	System,
+	Join,
+	Read
+};
+
+use crate::components::{
+	Controller,
+	Position,
+	Attacked,
+	add_attack,
+	Fighter,
+	Health
+};
+
+use crate::controls::{Control};
+use crate::resources::{Ground};
+
+
+
+pub struct Fight;
+impl <'a> System<'a> for Fight {
+	type SystemData = (
+		Entities<'a>,
+		ReadStorage<'a, Controller>,
+		WriteStorage<'a, Position>,
+		Read<'a, Ground>,
+		WriteStorage<'a, Attacked>,
+		ReadStorage<'a, Fighter>,
+		ReadStorage<'a, Health>
+	);
+	
+	fn run(&mut self, (entities, controllers, positions, ground, mut attacked, fighters, healths): Self::SystemData) {
+		for (entity, controller, position, fighter) in (&entities, &controllers, &positions, &fighters).join(){
+			match &controller.0 {
+				Control::Attack(directions) => {
+					for direction in directions {
+						for ent in ground.cells.get(&(position.pos + direction.to_position())).unwrap_or(&HashSet::new()) {
+							if healths.contains(*ent) && *ent != entity {
+								add_attack(&mut attacked, *ent, fighter.attack.clone());
+								break;
+							}
+						}
+					}
+				}
+				_ => {}
+			}
+		}
+	}
+}