separate data from cells

1 files changed, 16 insertions, 10 deletions

diff --git a/src/content/materials/fire.rs b/src/content/materials/fire.rs
index 2e5ef2f..5e5b29a 100644
--- a/src/content/materials/fire.rs
+++ b/src/content/materials/fire.rs
@@ -8,19 +8,25 @@ use crate::{
     },
 };
 
+pub trait FireCtxView {
+    fn get_ticks_lived(&self, x: i32, y: i32) -> u16;
+    fn set_ticks_lived(&mut self, x: i32, y: i32, ticks: u16) -> ();
+}
+
+impl FireCtxView for UpdateCtx<'_, '_, '_> {
+    fn get_ticks_lived(&self, x: i32, y: i32) -> u16 {
+        self.get_cell_data(x, y).unwrap_or(0)
+    }
+    fn set_ticks_lived(&mut self, x: i32, y: i32, ticks: u16) {
+        self.set_cell_data(x, y, ticks);
+    }
+}
+
 pub trait FireCellView {
-    fn get_ticks_lived(self) -> u16;
-    fn set_ticks_lived(&mut self, ticks: u16) -> ();
     fn is_flammable(self) -> bool;
 }
 
 impl FireCellView for Cell {
-    fn get_ticks_lived(self) -> u16 {
-        self.data
-    }
-    fn set_ticks_lived(&mut self, ticks: u16) {
-        self.data = ticks;
-    }
     // this could be a property of the material def, I think it's better here for now
     fn is_flammable(self) -> bool {
         [MaterialId::Wood].contains(&self.material)
@@ -31,7 +37,7 @@ impl FireCellView for Cell {
 // TODO wtf is fire
 #[inline]
 pub fn sim_update(ctx: &mut UpdateCtx) -> PostUpdateAction {
-    let ticks_lived = ctx.cell.get_ticks_lived();
+    let ticks_lived = ctx.get_ticks_lived(0, 0);
     // 2 seconds
     if ticks_lived > 240 {
         // we have a chance to live longer--roughly ?% chance of living an extra second
@@ -74,7 +80,7 @@ pub fn sim_update(ctx: &mut UpdateCtx) -> PostUpdateAction {
         }
     }
 
-    ctx.cell.set_ticks_lived(ticks_lived + 1);
+    ctx.set_ticks_lived(0, 0, ticks_lived + 1);
     // apply our new lifespan
     PostUpdateAction::Apply
 }