Merge pull request #15 from untodesu/metavoxels

Metavoxels

1 files changed, 84 insertions, 0 deletions

diff --git a/game/shared/world/item.hh b/game/shared/world/item.hh
new file mode 100644
index 0000000..ffa7f5c
--- /dev/null
+++ b/game/shared/world/item.hh
@@ -0,0 +1,84 @@
+#pragma once
+
+#include "core/resource/resource.hh"
+
+#include "shared/types.hh"
+
+// This resource is only defined client-side and
+// resource_ptr<TextureGUI> should remain set to null
+// anywhere else in the shared and server code
+struct TextureGUI;
+
+namespace world
+{
+class Voxel;
+} // namespace world
+
+namespace world
+{
+class Item {
+public:
+    Item(void) = default;
+    explicit Item(const Item& source, item_id id) noexcept;
+
+    constexpr std::string_view get_name(void) const noexcept;
+    constexpr item_id get_id(void) const noexcept;
+
+    constexpr std::string_view get_texture(void) const noexcept;
+    constexpr const Voxel* get_place_voxel(void) const noexcept;
+
+    constexpr resource_ptr<TextureGUI>& get_cached_texture(void) const noexcept;
+    void set_cached_texture(resource_ptr<TextureGUI> texture) const noexcept;
+
+    std::uint64_t get_checksum(std::uint64_t combine = 0U) const;
+
+protected:
+    std::string m_name;
+    item_id m_id { NULL_ITEM_ID };
+
+    std::string m_texture;
+    const Voxel* m_place_voxel { nullptr };
+
+    mutable resource_ptr<TextureGUI> m_cached_texture; // Client-side only
+};
+} // namespace world
+
+namespace world
+{
+class ItemBuilder final : public Item {
+public:
+    explicit ItemBuilder(std::string_view name);
+
+    void set_name(std::string_view name);
+
+    void set_texture(std::string_view texture);
+    void set_place_voxel(const Voxel* place_voxel);
+
+    std::unique_ptr<Item> build(item_id id) const;
+};
+} // namespace world
+
+constexpr std::string_view world::Item::get_name(void) const noexcept
+{
+    return m_name;
+}
+
+constexpr item_id world::Item::get_id(void) const noexcept
+{
+    return m_id;
+}
+
+constexpr std::string_view world::Item::get_texture(void) const noexcept
+{
+    return m_texture;
+}
+
+constexpr const world::Voxel* world::Item::get_place_voxel(void) const noexcept
+{
+    return m_place_voxel;
+}
+
+constexpr resource_ptr<TextureGUI>& world::Item::get_cached_texture(void) const noexcept
+{
+    return m_cached_texture;
+}