1 files changed, 25 insertions, 5 deletions
diff --git a/src/anim-atlas.hpp b/src/anim-atlas.hpp
index 186715ab..4c7140d9 100644
--- a/src/anim-atlas.hpp
+++ b/src/anim-atlas.hpp
@@ -1,30 +1,50 @@
 #pragma once
 #include "compat/defs.hpp"
+#include "scenery.hpp"
 #include "serialize/anim.hpp"
+#include <array>
 #include <Corrade/Containers/String.h>
+#include <Magnum/Math/Vector2.h>
 #include <Magnum/GL/Texture.h>
 
-
 namespace floormat {
 
 struct anim_atlas final
 {
-    anim_atlas();
-    anim_atlas(StringView name, GL::Texture2D&& tex, Serialize::anim metadata) noexcept;
+    using anim_info = Serialize::anim;
+    using anim_group = Serialize::anim_group;
+    using anim_frame = Serialize::anim_frame;
+    using texcoords = std::array<Vector2, 4>;
+
+    anim_atlas() noexcept;
+    anim_atlas(StringView name, GL::Texture2D&& tex, Vector2ui pixel_size, anim_info info) noexcept;
     ~anim_atlas() noexcept;
 
     anim_atlas(anim_atlas&&) noexcept;
     anim_atlas& operator=(anim_atlas&&) noexcept;
 
     StringView name() const noexcept;
-    GL::Texture2D texture() noexcept;
+    GL::Texture2D& texture() noexcept;
+    const anim_info& info() const noexcept;
+
+    const anim_group& group(rotation r) const noexcept;
+    const anim_frame& frame(rotation r, std::size_t frame) const noexcept;
+    texcoords frame_texcoords(rotation r, std::size_t frame) const noexcept;
+    texcoords frame_texcoords(const anim_frame& frame) const noexcept;
 
     fm_DECLARE_DELETED_COPY_ASSIGNMENT(anim_atlas);
 
 private:
     GL::Texture2D _tex;
     String _name;
-    Serialize::anim _anim;
+    Vector2ui _pixel_size;
+    anim_info _info;
+    std::array<std::uint8_t, (std::size_t)rotation::COUNT> _group_indices = {
+        0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    };
+
+    static decltype(_group_indices) make_group_indices(const Serialize::anim& anim) noexcept;
+    static std::uint8_t rotation_to_index(const anim_info& a, rotation r) noexcept;
 };
 
 } // namespace floormat