fix ub

bgkillas · bgkillas · commit 851346d56720 · 2026-06-27T15:50:29.000-04:00
diff --git a/src/chunk.rs b/src/chunk.rs
@@ -23,7 +23,7 @@ impl Chunk {
         let voxel = shape.make_mut().as_voxels_mut().unwrap();
         let mut voxels = 0;
         unsafe {
-            let ptr = cells.as_mut_ptr().as_mut().unwrap();
+            let ptr = cells.as_mut_ptr().cast::<Cell>();
             for y in 0..CHUNK_MAP_HEIGHT {
                 for x in 0..CHUNK_MAP_HEIGHT {
                     let cell_index = MatrixIndex::new(x, y);
@@ -32,7 +32,7 @@ impl Chunk {
                         voxels += 1;
                         voxel.set_voxel(cell_index.into(), true);
                     }
-                    *ptr.index_mut(cell_index) = cell;
+                    *ptr.add(cell_index.flatten().strict_cast()) = cell;
                 }
             }
             (

Original file line number	Diff line number	Diff line change
`@@ -23,7 +23,7 @@ impl Chunk {`
`23`	`23`	`let voxel = shape.make_mut().as_voxels_mut().unwrap();`
`24`	`24`	`let mut voxels = 0;`
`25`	`25`	`unsafe {`
`26`		`- let ptr = cells.as_mut_ptr().as_mut().unwrap();`
	`26`	`+ let ptr = cells.as_mut_ptr().cast::<Cell>();`
`27`	`27`	`for y in 0..CHUNK_MAP_HEIGHT {`
`28`	`28`	`for x in 0..CHUNK_MAP_HEIGHT {`
`29`	`29`	`let cell_index = MatrixIndex::new(x, y);`
`@@ -32,7 +32,7 @@ impl Chunk {`
`32`	`32`	`voxels += 1;`
`33`	`33`	`voxel.set_voxel(cell_index.into(), true);`
`34`	`34`	`}`
`35`		`- *ptr.index_mut(cell_index) = cell;`
	`35`	`+ *ptr.add(cell_index.flatten().strict_cast()) = cell;`
`36`	`36`	`}`
`37`	`37`	`}`
`38`	`38`	`(`