wip vobj

2 files changed, 134 insertions, 0 deletions

diff --git a/editor/vobj-editor.cpp b/editor/vobj-editor.cpp
new file mode 100644
index 00000000..533f797a
--- /dev/null
+++ b/editor/vobj-editor.cpp
@@ -0,0 +1,69 @@
+#include "vobj-editor.hpp"
+#include "loader/vobj-info.hpp"
+#include "loader/loader.hpp"
+#include "src/world.hpp"
+#include "src/light.hpp"
+#include <array>
+#include <Corrade/Containers/ArrayView.h>
+#include <Corrade/Containers/StringView.h>
+
+#if defined __clang__ || defined __CLION_IDE__
+#pragma clang diagnostic ignored "-Wweak-vtables"
+#endif
+
+namespace floormat {
+
+[[nodiscard]]
+std::shared_ptr<entity> make_vobj(world& w, entity_type type, object_id id, global_coords pos);
+
+StringView vobj_factory::name() const { return info().name; }
+StringView vobj_factory::descr() const { return info().descr; }
+std::shared_ptr<anim_atlas> vobj_factory::atlas() const { return info().atlas; }
+
+struct light_factory final : vobj_factory
+{
+    entity_type type() const override { return entity_type::light; }
+
+    const vobj_info& info() const override
+    {
+        constexpr auto NAME = "light"_s;
+        static const vobj_info& ret = loader.vobj(NAME);
+        fm_debug_assert(ret.name == NAME);
+        return ret;
+    }
+
+    std::shared_ptr<entity> make(world& w, object_id id, global_coords pos) const override
+    {
+        auto ret = w.make_entity<light>(id, pos, light_proto{});
+        return ret;
+    }
+};
+
+template<typename T> struct factory_ { static constexpr const T value = {}; };
+
+static consteval auto make_factory_array()
+{
+    const auto size = (1uz << entity_type_BITS)-1;
+    std::array<const vobj_factory*, size> array = {};
+    array[(unsigned)entity_type::light] = &factory_<light_factory>::value;
+    return array;
+}
+
+static constexpr auto factory_array = make_factory_array();
+const ArrayView<const vobj_factory* const> vobj_editor::_types = { factory_array.data(), factory_array.size() };
+
+const vobj_factory* vobj_editor::get_factory(entity_type type)
+{
+    const auto idx = size_t(type);
+    fm_debug_assert(idx < std::size(factory_array));
+    const auto* ptr = factory_array[idx];
+    if (!ptr)
+    {
+        fm_warn_once("invalid vobj type '%zu'", idx);
+        return {};
+    }
+    else
+        return ptr;
+}
+
+} // namespace floormat
diff --git a/editor/vobj-editor.hpp b/editor/vobj-editor.hpp
new file mode 100644
index 00000000..3ebf7bd8
--- /dev/null
+++ b/editor/vobj-editor.hpp
@@ -0,0 +1,65 @@
+#pragma once
+#include "src/entity-type.hpp"
+#include <memory>
+//#include <Corrade/Containers/ArrayView.h>
+
+namespace Corrade::Containers {
+template<typename T> class BasicStringView;
+using StringView = BasicStringView<const char>;
+template<typename T> class ArrayView;
+} // namespace Corrade::Containers
+
+namespace floormat {
+
+struct world;
+struct global_coords;
+struct entity;
+struct anim_atlas;
+struct vobj_info;
+
+#ifdef __clang__
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wweak-vtables"
+#endif
+
+struct vobj_factory
+{
+    constexpr vobj_factory() = default;
+    virtual constexpr ~vobj_factory() noexcept = default;
+    virtual const vobj_info& info() const = 0;
+    virtual entity_type type() const = 0;
+    virtual std::shared_ptr<entity> make(world& w, object_id id, global_coords pos) const = 0;
+
+    StringView name() const;
+    StringView descr() const;
+    std::shared_ptr<anim_atlas> atlas() const;
+};
+
+#ifdef __clang__
+#pragma clang diagnostic pop
+#endif
+
+struct vobj_editor final
+{
+    vobj_editor();
+
+    void select_type(entity_type type);
+    void clear_selection();
+
+    [[nodiscard]] static const vobj_factory* get_factory(entity_type type);
+    bool is_type_selected(entity_type type) const;
+    bool is_anything_selected() const;
+
+    static void place_tile(world& w, global_coords pos, const vobj_factory& factory);
+
+    static auto cbegin() noexcept { return _types.cbegin(); }
+    static auto cend() noexcept { return _types.cend(); }
+    static auto begin() noexcept { return _types.cbegin(); }
+    static auto end() noexcept { return _types.cend(); }
+
+private:
+    static const ArrayView<const vobj_factory* const> _types;
+    const vobj_factory* _selected = nullptr;
+};
+
+} // namespace floormat