Ensure room sanity

1 files changed, 4 insertions, 1 deletions

diff --git a/src/world.rs b/src/world.rs
index a315111..451b091 100644
--- a/src/world.rs
+++ b/src/world.rs
@@ -50,10 +50,13 @@ impl Room {
 
 impl Tileable for Room {
     fn tile(&self, grid: &mut TileGrid) -> Result<(), String> {
-        // TODO: Detect if the room would leave the grid.
         let endx = self.start.0 + self.width;
         let endy = self.start.1 + self.height;
 
+        if endx >= grid.xsize() || endy > grid.ysize() {
+            return Err(String::from("Room outside of grid bounds"));
+        }
+
         // Set the walls
         for x in self.start.0..=endx {
             grid.set_empty_tile(x, self.start.1, TileType::Wall);