fix some todo's

4 files changed, 17 insertions, 17 deletions

diff --git a/loader/impl.hpp b/loader/impl.hpp
index 37a00304..d88174ba 100644
--- a/loader/impl.hpp
+++ b/loader/impl.hpp
@@ -60,7 +60,9 @@ struct loader_impl final : loader_
 
     // >-----> tile >----->
     tsl::robin_map<StringView, std::shared_ptr<class tile_atlas>> tile_atlas_map;
+    std::vector<std::shared_ptr<class tile_atlas>> tile_atlas_array;
 
+    ArrayView<const std::shared_ptr<class tile_atlas>> tile_atlases(StringView filename) noexcept(false) override;
     std::shared_ptr<class tile_atlas> tile_atlas(StringView filename, Vector2ub size, pass_mode pass) noexcept(false) override;
     std::shared_ptr<class tile_atlas> tile_atlas(StringView filename) noexcept(false) override;
 
@@ -77,7 +79,7 @@ struct loader_impl final : loader_
     std::vector<serialized_scenery> sceneries_array;
     tsl::robin_map<StringView, const serialized_scenery*> sceneries_map;
 
-    const std::vector<serialized_scenery>& sceneries() override;
+    ArrayView<const serialized_scenery> sceneries() override;
     const scenery_proto& scenery(StringView name) noexcept(false) override;
     void get_scenery_list();
 
diff --git a/loader/json.cpp b/loader/json.cpp
index e9da0339..7cf24015 100644
--- a/loader/json.cpp
+++ b/loader/json.cpp
@@ -7,6 +7,7 @@
 #include "serialize/tile-atlas.hpp"
 #include "serialize/scenery.hpp"
 #include "loader/scenery.hpp"
+#include <Corrade/Containers/ArrayViewStl.h>
 #include <Corrade/Containers/StringStlView.h>
 #include <Corrade/Utility/Path.h>
 
@@ -32,10 +33,11 @@ void loader_impl::get_scenery_list()
     fm_assert(!sceneries_map.empty());
 }
 
-const std::vector<serialized_scenery>& loader_impl::sceneries()
+ArrayView<const serialized_scenery> loader_impl::sceneries()
 {
-    if (sceneries_array.empty())
+    if (sceneries_array.empty()) [[likely]]
         get_scenery_list();
+    fm_assert(!sceneries_array.empty());
     return sceneries_array;
 }
 
@@ -44,21 +46,21 @@ const scenery_proto& loader_impl::scenery(StringView name) noexcept(false)
     fm_soft_assert(check_atlas_name(name));
     if (sceneries_array.empty())
         get_scenery_list();
+    fm_assert(!sceneries_array.empty());
     auto it = sceneries_map.find(name);
     if (it == sceneries_map.end())
         fm_throw("no such scenery: '{}'"_cf, name);
     return it->second->proto;
 }
 
-} // namespace floormat::loader_detail
-
-namespace floormat {
-
-std::vector<std::shared_ptr<class tile_atlas>> loader_::tile_atlases(StringView filename)
+ArrayView<const std::shared_ptr<class tile_atlas>> loader_impl::tile_atlases(StringView filename)
 {
-    auto vec = json_helper::from_json<std::vector<std::shared_ptr<class tile_atlas>>>(
+    if (!tile_atlas_array.empty()) [[likely]]
+        return tile_atlas_array;
+    tile_atlas_array = json_helper::from_json<std::vector<std::shared_ptr<class tile_atlas>>>(
         Path::join(loader_::IMAGE_PATH, filename));
-    return vec;
+    fm_assert(!tile_atlas_array.empty());
+    return tile_atlas_array;
 }
 
-} // namespace floormat
+} // namespace floormat::loader_detail
diff --git a/loader/loader.hpp b/loader/loader.hpp
index 9b2d1c3c..f93e6967 100644
--- a/loader/loader.hpp
+++ b/loader/loader.hpp
@@ -2,7 +2,6 @@
 #include "src/pass-mode.hpp"
 #include <stdio.h>
 #include <memory>
-#include <vector>
 #include <Corrade/Containers/StringView.h>
 
 namespace Magnum { using Vector2ub = Math::Vector2<unsigned char>; }
@@ -25,7 +24,6 @@ struct loader_
 {
     virtual StringView shader(StringView filename) noexcept = 0;
     virtual Trade::ImageData2D texture(StringView prefix, StringView filename, bool fail_ok = true) noexcept(false) = 0;
-    // todo remove Optional when wall_atlas is fully implemented -sh 20231122
     virtual std::shared_ptr<class tile_atlas> tile_atlas(StringView filename, Vector2ub size, pass_mode pass) noexcept(false) = 0;
     virtual std::shared_ptr<class tile_atlas> tile_atlas(StringView filename) noexcept(false) = 0;
     virtual ArrayView<const String> anim_atlas_list() = 0;
@@ -34,9 +32,8 @@ struct loader_
     virtual ArrayView<const wall_info> wall_atlas_list() = 0;
     static void destroy();
     static loader_& default_loader() noexcept;
-    // todo move to ArrayView later, make non-static, and remove pass_mode
-    static std::vector<std::shared_ptr<class tile_atlas>> tile_atlases(StringView filename);
-    virtual const std::vector<serialized_scenery>& sceneries() = 0;
+    virtual ArrayView<const std::shared_ptr<class tile_atlas>> tile_atlases(StringView filename) noexcept(false) = 0;
+    virtual ArrayView<const serialized_scenery> sceneries() = 0;
     virtual const scenery_proto& scenery(StringView name) noexcept(false) = 0;
     virtual StringView startup_directory() noexcept = 0;
     static StringView strip_prefix(StringView name);
diff --git a/loader/wall-atlas.cpp b/loader/wall-atlas.cpp
index 242702e3..66dc3ba5 100644
--- a/loader/wall-atlas.cpp
+++ b/loader/wall-atlas.cpp
@@ -104,7 +104,6 @@ std::shared_ptr<class wall_atlas> loader_impl::wall_atlas(StringView name, bool
 
 missing:
     {
-        // todo allocate wall_info instead
         missing_wall_atlases.push_back(String { AllocatedInit, name });
         auto string_view = StringView{missing_wall_atlases.back()};
         wall_atlas_map[string_view] = (wall_info*)-1;