Fix crash when trying to move to invalid co-ordinates

2011-03-21 16:26:58 +00:00 · 2011-03-21 16:26:58 +00:00 · df27f8420d
commit df27f8420d
parent 993fb876c9
1 changed files with 2 additions and 0 deletions
--- a/src/powder.c
+++ b/src/powder.c
@ -136,6 +136,8 @@ int try_move(int i, int x, int y, int nx, int ny)

 	if (x==nx && y==ny)
 		return 1;
+	if (nx<0 || ny<0 || nx>=XRES || ny>=YRES)
+		return 1;

 	e = eval_move(parts[i].type, nx, ny, &r);