simplified and corrected protectArea diffing

1 files changed, 3 insertions, 4 deletions

diff --git a/examples/jarvis.js b/examples/jarvis.js
index fb3a999..8abd9c9 100644
--- a/examples/jarvis.js
+++ b/examples/jarvis.js
@@ -89,10 +89,9 @@ function protectArea(send, tiles, locs){
     loc = vec.tileToChar(loc);
     if (ri(ctrl, [loc, vec.add(loc, tilesize)])){
       // Write diffs from the tile
-      let inter = notif.copy(); // Acts as a window for tile (only see relevant data)
-      inter.comb(tile, comb.unmask);
-      let diff = notif.copy(); // Actually diffs notify with the errant text
-      diff.comb(inter, comb.sub);
+      let diff = notif.copy(); // Acts as a window for tile (only see relevant data)
+      diff.comb(tile, comb.flip(comb.unmask));
+      diff.comb(tile, comb.sub);
       writes.enqueue(diff.towrite())
       // Mask the tile
       let newtile = notif.copy();