1 files changed, 24 insertions, 0 deletions
diff --git a/src/tile-image.hpp b/src/tile-image.hpp
new file mode 100644
index 00000000..deb04e9a
--- /dev/null
+++ b/src/tile-image.hpp
@@ -0,0 +1,24 @@
+#pragma once
+#include "compat/integer-types.hpp"
+#include <compare>
+#include <memory>
+
+namespace floormat {
+
+struct tile_atlas;
+
+struct tile_image final
+{
+    std::shared_ptr<tile_atlas> atlas;
+    std::uint8_t variant = (std::uint8_t)-1;
+
+    explicit operator bool() const noexcept { return !!atlas; }
+
+    std::strong_ordering operator<=>(const tile_image& o) const noexcept
+    {
+        const auto ret = atlas.get() <=> o.atlas.get();
+        return ret != std::strong_ordering::equal ? ret : variant <=> o.variant;
+    }
+};
+
+} // namespace floormat