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-rw-r--r--crawl-ref/source/effects.h14
1 files changed, 7 insertions, 7 deletions
diff --git a/crawl-ref/source/effects.h b/crawl-ref/source/effects.h
index fe13baee0f..dd23f6ba67 100644
--- a/crawl-ref/source/effects.h
+++ b/crawl-ref/source/effects.h
@@ -42,17 +42,17 @@ int spawn_corpse_mushrooms(item_def &corpse,
bool distance_as_time = false);
struct mgen_data;
-int place_ring(std::vector<coord_def> & ring_points,
- coord_def & origin,
- mgen_data & prototype,
- int n_arcs,
- int arc_occupancy,
- int & seen_count);
+int place_ring(std::vector<coord_def>& ring_points,
+ const coord_def& origin,
+ mgen_data prototype,
+ int n_arcs,
+ int arc_occupancy,
+ int& seen_count);
// Collect lists of points that are within LOS (under the given losgrid),
// unoccupied, and not solid (walls/statues).
void collect_radius_points(std::vector<std::vector<coord_def> > &radius_points,
- coord_def & origin, env_show_grid & losgrid);
+ const coord_def &origin, const env_show_grid &losgrid);
void random_uselessness(int scroll_slot = -1);