wip anim atlas loader

1 files changed, 61 insertions, 1 deletions

diff --git a/loader/anim-traits.cpp b/loader/anim-traits.cpp
index 9741f62e..9ff7e6b5 100644
--- a/loader/anim-traits.cpp
+++ b/loader/anim-traits.cpp
@@ -1,13 +1,73 @@
 #include "anim-traits.hpp"
-#include "compat/exception.hpp"
+#include "atlas-loader-storage.hpp"
+#include "anim-cell.hpp"
+#include "src/anim-atlas.hpp"
+#include "src/tile-defs.hpp"
 #include "loader.hpp"
+#include "compat/exception.hpp"
 #include <cr/StringView.h>
+#include <cr/Pointer.h>
 #include <cr/Optional.h>
 #include <mg/ImageData.h>
 #include <mg/ImageView.h>
 
 namespace floormat::loader_detail {
 
+using anim_traits = atlas_loader_traits<anim_atlas>;
+StringView anim_traits::loader_name() { return "anim_atlas"_s; }
+auto anim_traits::atlas_of(const Cell& x) -> const std::shared_ptr<Atlas>& { return x.atlas; }
+auto anim_traits::atlas_of(Cell& x) -> std::shared_ptr<Atlas>& { return x.atlas; }
+StringView anim_traits::name_of(const Cell& x) { return x.name; }
+StringView anim_traits::name_of(const Atlas& x) { return x.name(); }
+String& anim_traits::name_of(Cell& x) { return x.name; }
+
+void anim_traits::ensure_atlases_loaded(Storage& s)
+{
+    fm_assert(s.name_map.empty());
+    s.cell_array = {};
+    s.cell_array.reserve(16);
+    s.name_map[loader.INVALID] = -1uz;
+}
+
+auto anim_traits::make_invalid_atlas(Storage& s) -> Pointer<Cell>
+{
+    fm_debug_assert(!s.invalid_atlas);
+    constexpr auto size = Vector2ui{16};
+
+    auto frame = anim_frame {
+        .ground = Vector2i(size/2),
+        .offset = {},
+        .size = size,
+    };
+    auto groups = Array<anim_group>{ValueInit, 1};
+    groups[0] = anim_group {
+        .name = "n"_s,
+        .frames = array({ frame }),
+    };
+    auto def = anim_def {
+        .object_name = loader.INVALID,
+        .anim_name = loader.INVALID,
+        .groups = Utility::move(groups),
+        .pixel_size = size,
+        .scale = anim_scale::fixed{size.x(), true},
+        .nframes = 1,
+    };
+    auto atlas = std::make_shared<class anim_atlas>(loader.INVALID, loader.make_error_texture(size), std::move(def));
+    auto info = anim_cell{
+        .name = loader.INVALID,
+        .atlas = atlas,
+    };
+    return Pointer<anim_cell>{ InPlace, std::move(info) };
+}
+
+auto anim_traits::make_atlas(StringView name, const Cell&) -> std::shared_ptr<Atlas>
+{
+    return {}; // todo
+}
 
+auto anim_traits::make_cell(StringView) -> Optional<Cell>
+{
+    return {};
+}
 
 } // namespace floormat::loader_detail