(svn r10513) -Fix [FS#1022]: use vehicle subtile position to update cache, not tile, so that collision detection works on bridges and tunnels.
--- a/src/vehicle.cpp Wed Jul 11 17:02:15 2007 +0000
+++ b/src/vehicle.cpp Wed Jul 11 21:31:34 2007 +0000
@@ -471,8 +471,8 @@
if (remove) {
new_hash = NULL;
} else {
- int x = GB(TileX(v->tile), HASH_RES, HASH_BITS);
- int y = GB(TileY(v->tile), HASH_RES, HASH_BITS) << HASH_BITS;
+ int x = GB(v->x_pos / TILE_SIZE, HASH_RES, HASH_BITS);
+ int y = GB(v->y_pos / TILE_SIZE, HASH_RES, HASH_BITS) << HASH_BITS;
new_hash = &_new_vehicle_position_hash[(x + y) & TOTAL_HASH_MASK];
}