1 files changed, 56 insertions, 0 deletions
diff --git a/editor/ground-editor.hpp b/editor/ground-editor.hpp
new file mode 100644
index 00000000..46c9dc3a
--- /dev/null
+++ b/editor/ground-editor.hpp
@@ -0,0 +1,56 @@
+#pragma once
+
+#include "editor-enums.hpp"
+#include "src/tile-image.hpp"
+#include "src/global-coords.hpp"
+#include <vector>
+#include <map>
+#include <memory>
+#include <Corrade/Containers/String.h>
+
+namespace floormat {
+
+struct world;
+
+class ground_editor final
+{
+    enum selection_mode : unsigned char {
+        sel_none, sel_tile, sel_perm,
+    };
+
+    struct tuple final {
+        std::shared_ptr<ground_atlas> atlas;
+        std::vector<decltype(tile_image_proto::variant)> variant;
+    };
+
+    std::map<StringView, std::shared_ptr<ground_atlas>> _atlases;
+    tile_image_proto _selected_tile;
+    tuple _permutation;
+    selection_mode _selection_mode = sel_none;
+
+    void load_atlases();
+    tile_image_proto get_selected_perm();
+
+public:
+    ground_editor();
+    std::shared_ptr<ground_atlas> maybe_atlas(StringView str);
+    std::shared_ptr<ground_atlas> atlas(StringView str);
+    auto cbegin() const noexcept { return _atlases.cbegin(); }
+    auto cend() const noexcept { return _atlases.cend(); }
+    auto begin() const noexcept { return _atlases.cbegin(); }
+    auto end() const noexcept { return _atlases.cend(); }
+    StringView name() const noexcept;
+
+    void clear_selection();
+    void select_tile(const std::shared_ptr<ground_atlas>& atlas, size_t variant);
+    void select_tile_permutation(const std::shared_ptr<ground_atlas>& atlas);
+    bool is_tile_selected(const std::shared_ptr<const ground_atlas>& atlas, size_t variant) const;
+    bool is_permutation_selected(const std::shared_ptr<const ground_atlas>& atlas) const;
+    bool is_atlas_selected(const std::shared_ptr<const ground_atlas>& atlas) const;
+    bool is_anything_selected() const;
+    tile_image_proto get_selected();
+    void place_tile(world& world, global_coords pos, const tile_image_proto& img);
+    editor_snap_mode check_snap(int mods) const;
+};
+
+} // namespace floormat