1 files changed, 56 insertions, 0 deletions
diff --git a/src/systems/talk.rs b/src/systems/talk.rs
new file mode 100644
index 0000000..4bb898a
--- /dev/null
+++ b/src/systems/talk.rs
@@ -0,0 +1,56 @@
+
+use std::collections::HashSet;
+
+use specs::{
+	ReadStorage,
+	WriteStorage,
+	System,
+	Join,
+	Read
+};
+
+use crate::{
+	components::{
+		Controller,
+		Position,
+		Talkable,
+		Notification,
+		Ear,
+		Visible
+	},
+	controls::{Control},
+	resources::{Ground},
+};
+
+pub struct Talk;
+impl <'a> System<'a> for Talk {
+	type SystemData = (
+		ReadStorage<'a, Controller>,
+		ReadStorage<'a, Position>,
+		Read<'a, Ground>,
+		ReadStorage<'a, Talkable>,
+		WriteStorage<'a, Ear>,
+		ReadStorage<'a, Visible>
+	);
+	
+	fn run(&mut self, (controllers, positions, ground, talkables, mut ears, visibles): Self::SystemData) {
+		for (controller, position, ear) in (&controllers, &positions, &mut ears).join(){
+			match &controller.control {
+				Control::Interact(directions, None) => {
+					'targets: for direction in directions {
+						let pos = position.pos + direction.to_position();
+						for ent in ground.cells.get(&pos).unwrap_or(&HashSet::new()) {
+							if let Some(Talkable{text}) = talkables.get(*ent) {
+								let name = visibles.get(*ent).map(|v| v.name.clone());
+								ear.sounds.push(Notification::Sound{text: text.clone(), source: name});
+								break 'targets;
+							}
+						}
+					}
+				}
+				_ => {}
+			}
+		}
+	}
+}
+