5 files changed, 54 insertions, 14 deletions
diff --git a/src/systems/mod.rs b/src/systems/mod.rs
index 6989e95..7e75706 100644
--- a/src/systems/mod.rs
+++ b/src/systems/mod.rs
@@ -6,4 +6,3 @@ pub mod view;
 pub mod remove;
 pub mod create;
 pub mod take;
-
diff --git a/src/systems/moving.rs b/src/systems/moving.rs
index 3e7803d..f5c1b4a 100644
--- a/src/systems/moving.rs
+++ b/src/systems/moving.rs
@@ -11,9 +11,9 @@ use specs::{
 	Write
 };
 
-use super::super::pos::Pos;
+use crate::pos::Pos;
 
-use super::super::components::{
+use crate::components::{
 	Controller,
 	Blocking,
 	Position,
@@ -21,11 +21,11 @@ use super::super::components::{
 	Moved
 };
 
-use super::super::controls::{
+use crate::controls::{
 	Control
 };
 
-use super::super::resources::{
+use crate::resources::{
 	Size,
 	Ground
 };
diff --git a/src/systems/save.rs b/src/systems/save.rs
new file mode 100644
index 0000000..924533a
--- /dev/null
+++ b/src/systems/save.rs
@@ -0,0 +1,43 @@
+
+use std::collections::HashMap;
+
+use specs::{
+	Entities,
+	ReadStorage,
+	System,
+	Join,
+	Read
+};
+
+use crate::pos::Pos;
+
+use crate::components::{
+	Position,
+	Serialise
+};
+
+use crate::savestate::SaveState;
+
+const INTERVAL: i32 = 20;
+
+pub struct Save(pub i32);
+impl <'a> System<'a> for Save {
+	type SystemData = (
+		Entities<'a>,
+		ReadStorage<'a, Position>,
+		ReadStorage<'a, Serialise>,
+	);
+	
+	fn run(&mut self, (entities, positions, serialisers): Self::SystemData) {
+		self.0 -= 1;
+		if self.0 > 0 {
+			return
+		}
+		self.0 = INTERVAL;
+		let mut state = SaveState::new();
+		for (pos, serialiser) in (&positions, &serialisers).join() {
+			state.changes.entry(pos.pos).or_insert(Vec::new()).push(serialiser.template.clone());
+		}
+		println!("save {}", state.to_json().to_string());
+	}
+}
diff --git a/src/systems/take.rs b/src/systems/take.rs
index f0e3990..affa3d1 100644
--- a/src/systems/take.rs
+++ b/src/systems/take.rs
@@ -10,9 +10,7 @@ use specs::{
 	Write
 };
 
-use super::super::pos::Pos;
-
-use super::super::components::{
+use crate::components::{
 	Controller,
 	Position,
 	Removed,
@@ -20,8 +18,8 @@ use super::super::components::{
 	Item
 };
 
-use super::super::controls::{Control};
-use super::super::resources::{Ground, NewEntities};
+use crate::controls::{Control};
+use crate::resources::{Ground, NewEntities};
 
 
 
diff --git a/src/systems/view.rs b/src/systems/view.rs
index 57e2b28..2bc971e 100644
--- a/src/systems/view.rs
+++ b/src/systems/view.rs
@@ -11,10 +11,10 @@ use specs::{
 	Entity
 };
 
-use super::super::pos::Pos;
-use super::super::components::{Visible, Player, Position, Inventory, New, Moved, Removed, Health};
-use super::super::resources::{Size, Output, Ground};
-use super::super::worldmessages::{WorldMessage, WorldUpdate, FieldMessage};
+use crate::pos::Pos;
+use crate::components::{Visible, Player, Position, Inventory, New, Moved, Removed, Health};
+use crate::resources::{Size, Output, Ground};
+use crate::worldmessages::{WorldMessage, WorldUpdate, FieldMessage};
 
 
 #[derive(Default)]