src: add pass_mode field to tile_atlas

1 files changed, 11 insertions, 2 deletions

diff --git a/src/tile-atlas.cpp b/src/tile-atlas.cpp
index 9b3886da..6f9e832f 100644
--- a/src/tile-atlas.cpp
+++ b/src/tile-atlas.cpp
@@ -9,9 +9,9 @@
 
 namespace floormat {
 
-tile_atlas::tile_atlas(StringView name, const ImageView2D& image, Vector2ub tile_count) :
+tile_atlas::tile_atlas(StringView name, const ImageView2D& image, Vector2ub tile_count, Optional<enum pass_mode> p) :
     texcoords_{make_texcoords_array(Vector2ui(image.size()), tile_count)},
-    name_{name}, size_{image.size()}, dims_{tile_count}
+    name_{name}, size_{image.size()}, dims_{tile_count}, passability{std::move(p)}
 {
     constexpr auto variant_max = std::numeric_limits<variant_t>::max();
     fm_assert(num_tiles() <= variant_max);
@@ -55,4 +55,13 @@ auto tile_atlas::make_texcoords_array(Vector2ui pixel_size, Vector2ub tile_count
     return ptr;
 }
 
+std::size_t tile_atlas::num_tiles() const { return Vector2ui{dims_}.product(); }
+Optional<enum pass_mode> tile_atlas::pass_mode() const { return passability; }
+
+void tile_atlas::set_pass_mode(enum pass_mode p)
+{
+    fm_assert(!passability || passability == p);
+    passability = { InPlaceInit, p };
+}
+
 } // namespace floormat